mirror of
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pass ecv2 a universal reference to context-fn
This commit is contained in:
Oliver Kowalke
@@ -1,6 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN" "http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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<library id="context" name="Context" dirname="context" last-revision="$Date: 2016/03/04 17:27:33 $"
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<library id="context" name="Context" dirname="context" last-revision="$Date: 2016/10/07 16:36:33 $"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<libraryinfo>
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<authorgroup>
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@@ -64,11 +64,11 @@
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<para>
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All functions and classes are contained in the namespace <emphasis>boost::context</emphasis>.
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</para>
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<important>
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<note>
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<para>
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<emphasis>execution_context</emphasis> requires C++11!
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This library requires C++11!
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</para>
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</important>
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</note>
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</section>
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<section id="context.requirements">
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<title><link linkend="context.requirements">Requirements</link></title>
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@@ -195,7 +195,7 @@
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</bridgehead>
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<programlisting><phrase role="keyword">int</phrase> <phrase role="identifier">n</phrase><phrase role="special">=</phrase><phrase role="number">35</phrase><phrase role="special">;</phrase>
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<phrase role="identifier">ctx</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">source</phrase><phrase role="special">(</phrase>
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<phrase role="special">[</phrase><phrase role="identifier">n</phrase><phrase role="special">](</phrase><phrase role="identifier">ctx</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">sink</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase><phrase role="special">)</phrase> <phrase role="keyword">mutable</phrase> <phrase role="special">{</phrase>
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<phrase role="special">[</phrase><phrase role="identifier">n</phrase><phrase role="special">](</phrase><phrase role="identifier">ctx</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">sink</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase><phrase role="special">)</phrase> <phrase role="keyword">mutable</phrase> <phrase role="special">{</phrase>
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<phrase role="keyword">int</phrase> <phrase role="identifier">a</phrase><phrase role="special">=</phrase><phrase role="number">0</phrase><phrase role="special">;</phrase>
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<phrase role="keyword">int</phrase> <phrase role="identifier">b</phrase><phrase role="special">=</phrase><phrase role="number">1</phrase><phrase role="special">;</phrase>
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<phrase role="keyword">while</phrase><phrase role="special">(</phrase><phrase role="identifier">n</phrase><phrase role="special">--></phrase><phrase role="number">0</phrase><phrase role="special">){</phrase>
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@@ -205,7 +205,7 @@
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<phrase role="identifier">a</phrase><phrase role="special">=</phrase><phrase role="identifier">b</phrase><phrase role="special">;</phrase>
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<phrase role="identifier">b</phrase><phrase role="special">=</phrase><phrase role="identifier">next</phrase><phrase role="special">;</phrase>
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<phrase role="special">}</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">sink</phrase><phrase role="special">;</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">sink</phrase><phrase role="special">);</phrase>
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<phrase role="special">});</phrase>
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<phrase role="keyword">for</phrase><phrase role="special">(</phrase><phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase><phrase role="special">=</phrase><phrase role="number">0</phrase><phrase role="special">;</phrase><phrase role="identifier">i</phrase><phrase role="special"><</phrase><phrase role="number">10</phrase><phrase role="special">;++</phrase><phrase role="identifier">i</phrase><phrase role="special">){</phrase>
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<phrase role="keyword">auto</phrase> <phrase role="identifier">result</phrase><phrase role="special">=</phrase><phrase role="identifier">source</phrase><phrase role="special">(</phrase><phrase role="identifier">i</phrase><phrase role="special">);</phrase>
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@@ -253,7 +253,7 @@
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role="keyword">void</phrase><phrase role="special">></phrase></code> no
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data will be transferred, only the context switch is executed.
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</para>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">){</phrase>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">){</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">printf</phrase><phrase role="special">(</phrase><phrase role="string">"inside ctx1\n"</phrase><phrase role="special">);</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">();</phrase>
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<phrase role="special">});</phrase>
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@@ -282,9 +282,10 @@
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to <emphasis>execution_context::operator()</emphasis>, in one context, is returned
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by <emphasis>execution_context::operator()</emphasis> in the other context.
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</para>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">j</phrase><phrase role="special">){</phrase>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">j</phrase><phrase role="special">){</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">printf</phrase><phrase role="special">(</phrase><phrase role="string">"inside ctx1, j == %d\n"</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase><phrase role="special">);</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">(</phrase><phrase role="identifier">j</phrase><phrase role="special">+</phrase><phrase role="number">1</phrase><phrase role="special">);</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">(</phrase><phrase role="identifier">j</phrase><phrase role="special">+</phrase><phrase role="number">1</phrase><phrase role="special">);</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx2</phrase><phrase role="special">);</phrase>
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<phrase role="special">});</phrase>
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<phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase> <phrase role="special">=</phrase> <phrase role="number">1</phrase><phrase role="special">;</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx1</phrase><phrase role="special">,</phrase> <phrase role="identifier">i</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">(</phrase><phrase role="identifier">i</phrase><phrase role="special">);</phrase>
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@@ -314,9 +315,10 @@
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If more than one argument has to be transferred, the signature of the context-function
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is simply extended.
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</para>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">j</phrase><phrase role="special">){</phrase>
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<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">([](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase><phrase role="special">,</phrase> <phrase role="keyword">int</phrase> <phrase role="identifier">j</phrase><phrase role="special">){</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">printf</phrase><phrase role="special">(</phrase><phrase role="string">"inside ctx1, i == %d j == %d\n"</phrase><phrase role="special">,</phrase> <phrase role="identifier">i</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase><phrase role="special">);</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">(</phrase><phrase role="identifier">i</phrase><phrase role="special">+</phrase><phrase role="identifier">j</phrase><phrase role="special">,</phrase><phrase role="identifier">i</phrase><phrase role="special">-</phrase><phrase role="identifier">j</phrase><phrase role="special">);</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx2</phrase><phrase role="special">,</phrase> <phrase role="identifier">i</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx2</phrase><phrase role="special">(</phrase><phrase role="identifier">i</phrase><phrase role="special">+</phrase><phrase role="identifier">j</phrase><phrase role="special">,</phrase><phrase role="identifier">i</phrase><phrase role="special">-</phrase><phrase role="identifier">j</phrase><phrase role="special">);</phrase>
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<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx2</phrase><phrase role="special">);</phrase>
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<phrase role="special">});</phrase>
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<phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase> <phrase role="special">=</phrase> <phrase role="number">2</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase> <phrase role="special">=</phrase> <phrase role="number">1</phrase><phrase role="special">;</phrase>
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<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx1</phrase><phrase role="special">,</phrase> <phrase role="identifier">i</phrase><phrase role="special">,</phrase> <phrase role="identifier">j</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx1</phrase><phrase role="special">(</phrase><phrase role="identifier">i</phrase><phrase role="special">,</phrase><phrase role="identifier">j</phrase><phrase role="special">);</phrase>
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@@ -339,7 +341,7 @@
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<phrase role="identifier">X</phrase><phrase role="special">():</phrase>
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<phrase role="identifier">excptr_</phrase><phrase role="special">(),</phrase>
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<phrase role="identifier">ctx_</phrase><phrase role="special">(</phrase>
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<phrase role="special">[=](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">variant</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">string</phrase><phrase role="special">>></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase> <phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">variant</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">string</phrase><phrase role="special">></phrase> <phrase role="identifier">data</phrase><phrase role="special">){</phrase>
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<phrase role="special">[=](</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">variant</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">string</phrase><phrase role="special">>></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase> <phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">variant</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">,</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">string</phrase><phrase role="special">></phrase> <phrase role="identifier">data</phrase><phrase role="special">){</phrase>
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<phrase role="keyword">try</phrase> <phrase role="special">{</phrase>
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<phrase role="keyword">for</phrase> <phrase role="special">(;;)</phrase> <phrase role="special">{</phrase>
|
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<phrase role="keyword">int</phrase> <phrase role="identifier">i</phrase> <phrase role="special">=</phrase> <phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">get</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">>(</phrase><phrase role="identifier">data</phrase><phrase role="special">);</phrase>
|
||||
@@ -350,7 +352,7 @@
|
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<phrase role="special">}</phrase> <phrase role="keyword">catch</phrase> <phrase role="special">(</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">bad_cast</phrase> <phrase role="keyword">const</phrase><phrase role="special">&)</phrase> <phrase role="special">{</phrase>
|
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<phrase role="identifier">excptr_</phrase><phrase role="special">=</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">current_exception</phrase><phrase role="special">();</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">})</phrase>
|
||||
<phrase role="special">{}</phrase>
|
||||
|
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@@ -404,16 +406,16 @@
|
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to be used. The function passed as argument must return a tuple of execution_context
|
||||
and arguments.
|
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</para>
|
||||
<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">f1</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase> <phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<programlisting><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">f1</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase> <phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f1: entered first time: "</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">data</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">(</phrase><phrase role="identifier">data</phrase><phrase role="special">+</phrase><phrase role="number">1</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f1: entered second time: "</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">data</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tie</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">=</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">(</phrase><phrase role="identifier">data</phrase><phrase role="special">+</phrase><phrase role="number">1</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f1: entered third time: "</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">data</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tuple</phrase><phrase role="special"><</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">>,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">f2</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase> <phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">tuple</phrase><phrase role="special"><</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">>,</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="identifier">f2</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">int</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">,</phrase><phrase role="keyword">int</phrase> <phrase role="identifier">data</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f2: entered: "</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">data</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">make_tuple</phrase><phrase role="special">(</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">),-</phrase><phrase role="number">1</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
@@ -462,7 +464,7 @@
|
||||
<phrase role="special">}</phrase>
|
||||
<phrase role="special">};</phrase>
|
||||
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">f1</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">f1</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="keyword">try</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="keyword">for</phrase> <phrase role="special">(;;)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f1()"</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
@@ -472,12 +474,12 @@
|
||||
<phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">cout</phrase> <phrase role="special"><<</phrase> <phrase role="string">"f1(): interrupted"</phrase> <phrase role="special"><<</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">endl</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="identifier">ctx</phrase> <phrase role="special">=</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase> <phrase role="identifier">e</phrase><phrase role="special">.</phrase><phrase role="identifier">ctx</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">f2</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="identifier">f2</phrase><phrase role="special">(</phrase><phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">void</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">)</phrase> <phrase role="special">{</phrase>
|
||||
<phrase role="keyword">throw</phrase> <phrase role="identifier">interrupt</phrase><phrase role="special">(</phrase><phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">));</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">ctx</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">ctx</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">}</phrase>
|
||||
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase> <phrase role="keyword">void</phrase> <phrase role="special">></phrase> <phrase role="identifier">ctx</phrase><phrase role="special">(</phrase><phrase role="identifier">f1</phrase><phrase role="special">);</phrase>
|
||||
@@ -496,8 +498,8 @@
|
||||
in <code><phrase role="identifier">f1</phrase><phrase role="special">()</phrase></code>.
|
||||
</para>
|
||||
<bridgehead renderas="sect3" id="context.ecv2.h4">
|
||||
<phrase id="context.ecv2.stack_destruction"/><link linkend="context.ecv2.stack_destruction">Stack
|
||||
destruction</link>
|
||||
<phrase id="context.ecv2.stack_unwinding"/><link linkend="context.ecv2.stack_unwinding">stack
|
||||
unwinding</link>
|
||||
</bridgehead>
|
||||
<para>
|
||||
On construction of <emphasis>execution_context</emphasis> a stack is allocated.
|
||||
@@ -507,6 +509,15 @@
|
||||
bool()</emphasis> returns <code><phrase role="keyword">true</phrase></code>)
|
||||
is called, the stack will be destructed too.
|
||||
</para>
|
||||
<important>
|
||||
<para>
|
||||
Code executed by <emphasis>context-function</emphasis> must not prevent the
|
||||
propagation of the <emphasis>detail::forced_unwind</emphasis> exception.
|
||||
Absorbing that exception will cause stack unwinding to fail. Thus, any code
|
||||
that catches all exceptions must re-throw any pending <emphasis>detail::forced_unwind</emphasis>
|
||||
exception.
|
||||
</para>
|
||||
</important>
|
||||
<anchor id="ecv2_prealloc"/>
|
||||
<bridgehead renderas="sect3" id="context.ecv2.h5">
|
||||
<phrase id="context.ecv2.allocating_control_structures_on_top_of_stack"/><link
|
||||
@@ -570,7 +581,7 @@
|
||||
|
||||
<phrase role="comment">// execute parser in new execution context</phrase>
|
||||
<phrase role="identifier">boost</phrase><phrase role="special">::</phrase><phrase role="identifier">context</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">char</phrase><phrase role="special">></phrase> <phrase role="identifier">source</phrase><phrase role="special">(</phrase>
|
||||
<phrase role="special">[&</phrase><phrase role="identifier">is</phrase><phrase role="special">,&</phrase><phrase role="identifier">done</phrase><phrase role="special">,&</phrase><phrase role="identifier">except</phrase><phrase role="special">](</phrase><phrase role="identifier">ctx</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">char</phrase><phrase role="special">></phrase> <phrase role="identifier">sink</phrase><phrase role="special">,</phrase><phrase role="keyword">char</phrase><phrase role="special">){</phrase>
|
||||
<phrase role="special">[&</phrase><phrase role="identifier">is</phrase><phrase role="special">,&</phrase><phrase role="identifier">done</phrase><phrase role="special">,&</phrase><phrase role="identifier">except</phrase><phrase role="special">](</phrase><phrase role="identifier">ctx</phrase><phrase role="special">::</phrase><phrase role="identifier">execution_context</phrase><phrase role="special"><</phrase><phrase role="keyword">char</phrase><phrase role="special">></phrase> <phrase role="special">&&</phrase> <phrase role="identifier">sink</phrase><phrase role="special">,</phrase><phrase role="keyword">char</phrase><phrase role="special">){</phrase>
|
||||
<phrase role="comment">// create parser with callback function</phrase>
|
||||
<phrase role="identifier">Parser</phrase> <phrase role="identifier">p</phrase><phrase role="special">(</phrase> <phrase role="identifier">is</phrase><phrase role="special">,</phrase>
|
||||
<phrase role="special">[&</phrase><phrase role="identifier">sink</phrase><phrase role="special">](</phrase><phrase role="keyword">char</phrase> <phrase role="identifier">ch</phrase><phrase role="special">){</phrase>
|
||||
@@ -588,7 +599,7 @@
|
||||
<phrase role="comment">// set termination flag</phrase>
|
||||
<phrase role="identifier">done</phrase><phrase role="special">=</phrase><phrase role="keyword">true</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="comment">// resume main execution context</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">sink</phrase><phrase role="special">;</phrase>
|
||||
<phrase role="keyword">return</phrase> <phrase role="identifier">std</phrase><phrase role="special">::</phrase><phrase role="identifier">move</phrase><phrase role="special">(</phrase><phrase role="identifier">sink</phrase><phrase role="special">);</phrase>
|
||||
<phrase role="special">});</phrase>
|
||||
|
||||
<phrase role="comment">// user-code pulls parsed data from parser</phrase>
|
||||
@@ -1385,13 +1396,17 @@
|
||||
the application is terminated. <emphasis>std::exception_ptr</emphasis> can
|
||||
be used to transfer exceptions between different execution contexts.
|
||||
</para>
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h2">
|
||||
<phrase id="context.ecv1.stack_unwinding"/><link linkend="context.ecv1.stack_unwinding">stack
|
||||
unwinding</link>
|
||||
</bridgehead>
|
||||
<para>
|
||||
Sometimes it is necessary to unwind the stack of an unfinished context to destroy
|
||||
local stack variables so they can release allocated resources (RAII pattern).
|
||||
The user is responsible for this task.
|
||||
</para>
|
||||
<anchor id="ecv1_prealloc"/>
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h2">
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h3">
|
||||
<phrase id="context.ecv1.allocating_control_structures_on_top_of_stack"/><link
|
||||
linkend="context.ecv1.allocating_control_structures_on_top_of_stack">allocating
|
||||
control structures on top of stack</link>
|
||||
@@ -1432,7 +1447,7 @@
|
||||
<phrase role="special">...</phrase>
|
||||
<phrase role="special">};</phrase>
|
||||
</programlisting>
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h3">
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h4">
|
||||
<phrase id="context.ecv1.exception_handling"/><link linkend="context.ecv1.exception_handling">exception
|
||||
handling</link>
|
||||
</bridgehead>
|
||||
@@ -1448,7 +1463,7 @@
|
||||
another execution context.
|
||||
</para>
|
||||
</important>
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h4">
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h5">
|
||||
<phrase id="context.ecv1.parameter_passing"/><link linkend="context.ecv1.parameter_passing">parameter
|
||||
passing</link>
|
||||
</bridgehead>
|
||||
@@ -1496,7 +1511,7 @@
|
||||
<phrase role="identifier">output</phrase><phrase role="special">:</phrase>
|
||||
<phrase role="number">7</phrase>
|
||||
</programlisting>
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h5">
|
||||
<bridgehead renderas="sect3" id="context.ecv1.h6">
|
||||
<phrase id="context.ecv1.class__code__phrase_role__identifier__execution_context__phrase___code_"/><link
|
||||
linkend="context.ecv1.class__code__phrase_role__identifier__execution_context__phrase___code_">Class
|
||||
<code><phrase role="identifier">execution_context</phrase></code></link>
|
||||
|
||||
@@ -59,7 +59,7 @@ passed/returned arguments.
|
||||
|
||||
int n=35;
|
||||
ctx::execution_context<int> source(
|
||||
[n](ctx::execution_context<int> sink, int) mutable {
|
||||
[n](ctx::execution_context<int> && sink, int) mutable {
|
||||
int a=0;
|
||||
int b=1;
|
||||
while(n-->0){
|
||||
@@ -69,7 +69,7 @@ passed/returned arguments.
|
||||
a=b;
|
||||
b=next;
|
||||
}
|
||||
return sink;
|
||||
return std::move(sink);
|
||||
});
|
||||
for(int i=0;i<10;++i){
|
||||
auto result=source(i);
|
||||
@@ -104,7 +104,7 @@ and the stack is exchanged by each context switch.
|
||||
With `execution_context<void>` no data will be transferred, only the context
|
||||
switch is executed.
|
||||
|
||||
boost::context::execution_context<void> ctx1([](boost::context::execution_context<void> ctx2){
|
||||
boost::context::execution_context<void> ctx1([](boost::context::execution_context<void> && ctx2){
|
||||
std::printf("inside ctx1\n");
|
||||
return ctx2();
|
||||
});
|
||||
@@ -124,10 +124,10 @@ arguments of the __context_fn__ if the context is started for the first time.
|
||||
In all following invocations of __ec_op__ the arguments passed to __ec_op__, in
|
||||
one context, is returned by __ec_op__ in the other context.
|
||||
|
||||
boost::context::execution_context<int> ctx1([](boost::context::execution_context<int> ctx2, int j){
|
||||
boost::context::execution_context<int> ctx1([](boost::context::execution_context<int> && ctx2, int j){
|
||||
std::printf("inside ctx1, j == %d\n", j);
|
||||
std::tie(ctx2, j) = ctx2(j+1);
|
||||
return ctx2;
|
||||
return std::move(ctx2);
|
||||
});
|
||||
int i = 1;
|
||||
std::tie(ctx1, i) = ctx1(i);
|
||||
@@ -145,10 +145,10 @@ value of `j+1`.
|
||||
If more than one argument has to be transferred, the signature of the
|
||||
context-function is simply extended.
|
||||
|
||||
boost::context::execution_context<int,int> ctx1([](boost::context::execution_context<int,int> ctx2, int i, int j){
|
||||
boost::context::execution_context<int,int> ctx1([](boost::context::execution_context<int,int> && ctx2, int i, int j){
|
||||
std::printf("inside ctx1, i == %d j == %d\n", i, j);
|
||||
std::tie(ctx2, i, j) = ctx2(i+j,i-j);
|
||||
return ctx2;
|
||||
return std::move(ctx2);
|
||||
});
|
||||
int i = 2, j = 1;
|
||||
std::tie(ctx1, i, j) = ctx1(i,j);
|
||||
@@ -170,7 +170,7 @@ direction, ['boost::variant<>] could be used.
|
||||
X():
|
||||
excptr_(),
|
||||
ctx_(
|
||||
[=](boost::context::execution_context<boost::variant<int,std::string>> ctx, boost::variant<int,std::string> data){
|
||||
[=](boost::context::execution_context<boost::variant<int,std::string>> && ctx, boost::variant<int,std::string> data){
|
||||
try {
|
||||
for (;;) {
|
||||
int i = boost::get<int>(data);
|
||||
@@ -181,7 +181,7 @@ direction, ['boost::variant<>] could be used.
|
||||
} catch (std::bad_cast const&) {
|
||||
excptr_=std::current_exception();
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
})
|
||||
{}
|
||||
|
||||
@@ -222,16 +222,16 @@ For this purpose __ec_op__ with first argument `exec_ontop_arg` has to be used.
|
||||
The function passed as argument must return a tuple of execution_context and
|
||||
arguments.
|
||||
|
||||
boost::context::execution_context<int> f1(boost::context::execution_context<int> ctx,int data) {
|
||||
boost::context::execution_context<int> f1(boost::context::execution_context<int> && ctx,int data) {
|
||||
std::cout << "f1: entered first time: " << data << std::endl;
|
||||
std::tie(ctx,data) = ctx(data+1);
|
||||
std::cout << "f1: entered second time: " << data << std::endl;
|
||||
std::tie(ctx,data) = ctx(data+1);
|
||||
std::cout << "f1: entered third time: " << data << std::endl;
|
||||
return ctx;
|
||||
return std::move(ctx);
|
||||
}
|
||||
|
||||
std::tuple<boost::context::execution_context<int>,int> f2(boost::context::execution_context<int> ctx,int data) {
|
||||
std::tuple<boost::context::execution_context<int>,int> f2(boost::context::execution_context<int> && ctx,int data) {
|
||||
std::cout << "f2: entered: " << data << std::endl;
|
||||
return std::make_tuple(std::move(ctx),-1);
|
||||
}
|
||||
@@ -268,7 +268,7 @@ exception.
|
||||
}
|
||||
};
|
||||
|
||||
boost::context::execution_context<void> f1(boost::context::execution_context<void> ctx) {
|
||||
boost::context::execution_context<void> f1(boost::context::execution_context<void> && ctx) {
|
||||
try {
|
||||
for (;;) {
|
||||
std::cout << "f1()" << std::endl;
|
||||
@@ -278,12 +278,12 @@ exception.
|
||||
std::cout << "f1(): interrupted" << std::endl;
|
||||
ctx = std::move( e.ctx);
|
||||
}
|
||||
return ctx;
|
||||
return std::move(ctx);
|
||||
}
|
||||
|
||||
boost::context::execution_context<void> f2(boost::context::execution_context<void> ctx) {
|
||||
boost::context::execution_context<void> f2(boost::context::execution_context<void> && ctx) {
|
||||
throw interrupt(std::move(ctx));
|
||||
return ctx;
|
||||
return std::move(ctx);
|
||||
}
|
||||
|
||||
boost::context::execution_context< void > ctx(f1);
|
||||
@@ -365,7 +365,7 @@ of the stack.]
|
||||
|
||||
// execute parser in new execution context
|
||||
boost::context::execution_context<char> source(
|
||||
[&is,&done,&except](ctx::execution_context<char> sink,char){
|
||||
[&is,&done,&except](ctx::execution_context<char> && sink,char){
|
||||
// create parser with callback function
|
||||
Parser p( is,
|
||||
[&sink](char ch){
|
||||
@@ -383,7 +383,7 @@ of the stack.]
|
||||
// set termination flag
|
||||
done=true;
|
||||
// resume main execution context
|
||||
return sink;
|
||||
return std::move(sink);
|
||||
});
|
||||
|
||||
// user-code pulls parsed data from parser
|
||||
|
||||
@@ -189,13 +189,18 @@
|
||||
the application is terminated. <span class="emphasis"><em>std::exception_ptr</em></span> can
|
||||
be used to transfer exceptions between different execution contexts.
|
||||
</p>
|
||||
<h4>
|
||||
<a name="context.ecv1.h2"></a>
|
||||
<span><a name="context.ecv1.stack_unwinding"></a></span><a class="link" href="ecv1.html#context.ecv1.stack_unwinding">stack
|
||||
unwinding</a>
|
||||
</h4>
|
||||
<p>
|
||||
Sometimes it is necessary to unwind the stack of an unfinished context to destroy
|
||||
local stack variables so they can release allocated resources (RAII pattern).
|
||||
The user is responsible for this task.
|
||||
</p>
|
||||
<a name="ecv1_prealloc"></a><h4>
|
||||
<a name="context.ecv1.h2"></a>
|
||||
<a name="context.ecv1.h3"></a>
|
||||
<span><a name="context.ecv1.allocating_control_structures_on_top_of_stack"></a></span><a class="link" href="ecv1.html#context.ecv1.allocating_control_structures_on_top_of_stack">allocating
|
||||
control structures on top of stack</a>
|
||||
</h4>
|
||||
@@ -240,7 +245,7 @@
|
||||
<span class="special">};</span>
|
||||
</pre>
|
||||
<h4>
|
||||
<a name="context.ecv1.h3"></a>
|
||||
<a name="context.ecv1.h4"></a>
|
||||
<span><a name="context.ecv1.exception_handling"></a></span><a class="link" href="ecv1.html#context.ecv1.exception_handling">exception
|
||||
handling</a>
|
||||
</h4>
|
||||
@@ -261,7 +266,7 @@
|
||||
</p></td></tr>
|
||||
</table></div>
|
||||
<h4>
|
||||
<a name="context.ecv1.h4"></a>
|
||||
<a name="context.ecv1.h5"></a>
|
||||
<span><a name="context.ecv1.parameter_passing"></a></span><a class="link" href="ecv1.html#context.ecv1.parameter_passing">parameter
|
||||
passing</a>
|
||||
</h4>
|
||||
@@ -310,7 +315,7 @@
|
||||
<span class="number">7</span>
|
||||
</pre>
|
||||
<h4>
|
||||
<a name="context.ecv1.h5"></a>
|
||||
<a name="context.ecv1.h6"></a>
|
||||
<span><a name="context.ecv1.class__code__phrase_role__identifier__execution_context__phrase___code_"></a></span><a class="link" href="ecv1.html#context.ecv1.class__code__phrase_role__identifier__execution_context__phrase___code_">Class
|
||||
<code class="computeroutput"><span class="identifier">execution_context</span></code></a>
|
||||
</h4>
|
||||
|
||||
@@ -111,7 +111,7 @@
|
||||
</h4>
|
||||
<pre class="programlisting"><span class="keyword">int</span> <span class="identifier">n</span><span class="special">=</span><span class="number">35</span><span class="special">;</span>
|
||||
<span class="identifier">ctx</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">source</span><span class="special">(</span>
|
||||
<span class="special">[</span><span class="identifier">n</span><span class="special">](</span><span class="identifier">ctx</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">sink</span><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span> <span class="keyword">mutable</span> <span class="special">{</span>
|
||||
<span class="special">[</span><span class="identifier">n</span><span class="special">](</span><span class="identifier">ctx</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">sink</span><span class="special">,</span> <span class="keyword">int</span><span class="special">)</span> <span class="keyword">mutable</span> <span class="special">{</span>
|
||||
<span class="keyword">int</span> <span class="identifier">a</span><span class="special">=</span><span class="number">0</span><span class="special">;</span>
|
||||
<span class="keyword">int</span> <span class="identifier">b</span><span class="special">=</span><span class="number">1</span><span class="special">;</span>
|
||||
<span class="keyword">while</span><span class="special">(</span><span class="identifier">n</span><span class="special">--></span><span class="number">0</span><span class="special">){</span>
|
||||
@@ -121,7 +121,7 @@
|
||||
<span class="identifier">a</span><span class="special">=</span><span class="identifier">b</span><span class="special">;</span>
|
||||
<span class="identifier">b</span><span class="special">=</span><span class="identifier">next</span><span class="special">;</span>
|
||||
<span class="special">}</span>
|
||||
<span class="keyword">return</span> <span class="identifier">sink</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">sink</span><span class="special">);</span>
|
||||
<span class="special">});</span>
|
||||
<span class="keyword">for</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span><span class="special">=</span><span class="number">0</span><span class="special">;</span><span class="identifier">i</span><span class="special"><</span><span class="number">10</span><span class="special">;++</span><span class="identifier">i</span><span class="special">){</span>
|
||||
<span class="keyword">auto</span> <span class="identifier">result</span><span class="special">=</span><span class="identifier">source</span><span class="special">(</span><span class="identifier">i</span><span class="special">);</span>
|
||||
@@ -168,7 +168,7 @@
|
||||
With <code class="computeroutput"><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span></code> no
|
||||
data will be transferred, only the context switch is executed.
|
||||
</p>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">ctx2</span><span class="special">){</span>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx2</span><span class="special">){</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">printf</span><span class="special">(</span><span class="string">"inside ctx1\n"</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx2</span><span class="special">();</span>
|
||||
<span class="special">});</span>
|
||||
@@ -195,9 +195,10 @@
|
||||
to <span class="emphasis"><em>execution_context::operator()</em></span>, in one context, is returned
|
||||
by <span class="emphasis"><em>execution_context::operator()</em></span> in the other context.
|
||||
</p>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx2</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">j</span><span class="special">){</span>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx2</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">j</span><span class="special">){</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">printf</span><span class="special">(</span><span class="string">"inside ctx1, j == %d\n"</span><span class="special">,</span> <span class="identifier">j</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx2</span><span class="special">(</span><span class="identifier">j</span><span class="special">+</span><span class="number">1</span><span class="special">);</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx2</span><span class="special">,</span> <span class="identifier">j</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx2</span><span class="special">(</span><span class="identifier">j</span><span class="special">+</span><span class="number">1</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx2</span><span class="special">);</span>
|
||||
<span class="special">});</span>
|
||||
<span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">1</span><span class="special">;</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx1</span><span class="special">,</span> <span class="identifier">i</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx1</span><span class="special">(</span><span class="identifier">i</span><span class="special">);</span>
|
||||
@@ -220,9 +221,10 @@
|
||||
If more than one argument has to be transferred, the signature of the context-function
|
||||
is simply extended.
|
||||
</p>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx2</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">i</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">j</span><span class="special">){</span>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx1</span><span class="special">([](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx2</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">i</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">j</span><span class="special">){</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">printf</span><span class="special">(</span><span class="string">"inside ctx1, i == %d j == %d\n"</span><span class="special">,</span> <span class="identifier">i</span><span class="special">,</span> <span class="identifier">j</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx2</span><span class="special">(</span><span class="identifier">i</span><span class="special">+</span><span class="identifier">j</span><span class="special">,</span><span class="identifier">i</span><span class="special">-</span><span class="identifier">j</span><span class="special">);</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx2</span><span class="special">,</span> <span class="identifier">i</span><span class="special">,</span> <span class="identifier">j</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx2</span><span class="special">(</span><span class="identifier">i</span><span class="special">+</span><span class="identifier">j</span><span class="special">,</span><span class="identifier">i</span><span class="special">-</span><span class="identifier">j</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx2</span><span class="special">);</span>
|
||||
<span class="special">});</span>
|
||||
<span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">2</span><span class="special">,</span> <span class="identifier">j</span> <span class="special">=</span> <span class="number">1</span><span class="special">;</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx1</span><span class="special">,</span> <span class="identifier">i</span><span class="special">,</span> <span class="identifier">j</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx1</span><span class="special">(</span><span class="identifier">i</span><span class="special">,</span><span class="identifier">j</span><span class="special">);</span>
|
||||
@@ -245,7 +247,7 @@
|
||||
<span class="identifier">X</span><span class="special">():</span>
|
||||
<span class="identifier">excptr_</span><span class="special">(),</span>
|
||||
<span class="identifier">ctx_</span><span class="special">(</span>
|
||||
<span class="special">[=](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">>></span> <span class="identifier">ctx</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">></span> <span class="identifier">data</span><span class="special">){</span>
|
||||
<span class="special">[=](</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">>></span> <span class="special">&&</span> <span class="identifier">ctx</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">></span> <span class="identifier">data</span><span class="special">){</span>
|
||||
<span class="keyword">try</span> <span class="special">{</span>
|
||||
<span class="keyword">for</span> <span class="special">(;;)</span> <span class="special">{</span>
|
||||
<span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">get</span><span class="special"><</span><span class="keyword">int</span><span class="special">>(</span><span class="identifier">data</span><span class="special">);</span>
|
||||
@@ -256,7 +258,7 @@
|
||||
<span class="special">}</span> <span class="keyword">catch</span> <span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">bad_cast</span> <span class="keyword">const</span><span class="special">&)</span> <span class="special">{</span>
|
||||
<span class="identifier">excptr_</span><span class="special">=</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">current_exception</span><span class="special">();</span>
|
||||
<span class="special">}</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span> <span class="identifier">ctx</span><span class="special">);</span>
|
||||
<span class="special">})</span>
|
||||
<span class="special">{}</span>
|
||||
|
||||
@@ -315,16 +317,16 @@
|
||||
to be used. The function passed as argument must return a tuple of execution_context
|
||||
and arguments.
|
||||
</p>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">f1</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx</span><span class="special">,</span><span class="keyword">int</span> <span class="identifier">data</span><span class="special">)</span> <span class="special">{</span>
|
||||
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">f1</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx</span><span class="special">,</span><span class="keyword">int</span> <span class="identifier">data</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f1: entered first time: "</span> <span class="special"><<</span> <span class="identifier">data</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">,</span><span class="identifier">data</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx</span><span class="special">(</span><span class="identifier">data</span><span class="special">+</span><span class="number">1</span><span class="special">);</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f1: entered second time: "</span> <span class="special"><<</span> <span class="identifier">data</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tie</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">,</span><span class="identifier">data</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">ctx</span><span class="special">(</span><span class="identifier">data</span><span class="special">+</span><span class="number">1</span><span class="special">);</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f1: entered third time: "</span> <span class="special"><<</span> <span class="identifier">data</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tuple</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">>,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">f2</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">ctx</span><span class="special">,</span><span class="keyword">int</span> <span class="identifier">data</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">tuple</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">>,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">f2</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx</span><span class="special">,</span><span class="keyword">int</span> <span class="identifier">data</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f2: entered: "</span> <span class="special"><<</span> <span class="identifier">data</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">make_tuple</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">),-</span><span class="number">1</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
@@ -365,7 +367,7 @@
|
||||
<span class="special">}</span>
|
||||
<span class="special">};</span>
|
||||
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">f1</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">ctx</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">f1</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="keyword">try</span> <span class="special">{</span>
|
||||
<span class="keyword">for</span> <span class="special">(;;)</span> <span class="special">{</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f1()"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
@@ -375,12 +377,12 @@
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"f1(): interrupted"</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="identifier">ctx</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">ctx</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">f2</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">ctx</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="identifier">f2</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">void</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">ctx</span><span class="special">)</span> <span class="special">{</span>
|
||||
<span class="keyword">throw</span> <span class="identifier">interrupt</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">));</span>
|
||||
<span class="keyword">return</span> <span class="identifier">ctx</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">ctx</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span> <span class="identifier">ctx</span><span class="special">(</span><span class="identifier">f1</span><span class="special">);</span>
|
||||
@@ -400,8 +402,8 @@
|
||||
</p>
|
||||
<h4>
|
||||
<a name="context.ecv2.h4"></a>
|
||||
<span><a name="context.ecv2.stack_destruction"></a></span><a class="link" href="ecv2.html#context.ecv2.stack_destruction">Stack
|
||||
destruction</a>
|
||||
<span><a name="context.ecv2.stack_unwinding"></a></span><a class="link" href="ecv2.html#context.ecv2.stack_unwinding">stack
|
||||
unwinding</a>
|
||||
</h4>
|
||||
<p>
|
||||
On construction of <span class="emphasis"><em>execution_context</em></span> a stack is allocated.
|
||||
@@ -411,6 +413,19 @@
|
||||
bool()</em></span> returns <code class="computeroutput"><span class="keyword">true</span></code>)
|
||||
is called, the stack will be destructed too.
|
||||
</p>
|
||||
<div class="important"><table border="0" summary="Important">
|
||||
<tr>
|
||||
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../../doc/src/images/important.png"></td>
|
||||
<th align="left">Important</th>
|
||||
</tr>
|
||||
<tr><td align="left" valign="top"><p>
|
||||
Code executed by <span class="emphasis"><em>context-function</em></span> must not prevent the
|
||||
propagation of the <span class="emphasis"><em>detail::forced_unwind</em></span> exception.
|
||||
Absorbing that exception will cause stack unwinding to fail. Thus, any code
|
||||
that catches all exceptions must re-throw any pending <span class="emphasis"><em>detail::forced_unwind</em></span>
|
||||
exception.
|
||||
</p></td></tr>
|
||||
</table></div>
|
||||
<a name="ecv2_prealloc"></a><h4>
|
||||
<a name="context.ecv2.h5"></a>
|
||||
<span><a name="context.ecv2.allocating_control_structures_on_top_of_stack"></a></span><a class="link" href="ecv2.html#context.ecv2.allocating_control_structures_on_top_of_stack">allocating
|
||||
@@ -478,7 +493,7 @@
|
||||
|
||||
<span class="comment">// execute parser in new execution context</span>
|
||||
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">context</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">char</span><span class="special">></span> <span class="identifier">source</span><span class="special">(</span>
|
||||
<span class="special">[&</span><span class="identifier">is</span><span class="special">,&</span><span class="identifier">done</span><span class="special">,&</span><span class="identifier">except</span><span class="special">](</span><span class="identifier">ctx</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">char</span><span class="special">></span> <span class="identifier">sink</span><span class="special">,</span><span class="keyword">char</span><span class="special">){</span>
|
||||
<span class="special">[&</span><span class="identifier">is</span><span class="special">,&</span><span class="identifier">done</span><span class="special">,&</span><span class="identifier">except</span><span class="special">](</span><span class="identifier">ctx</span><span class="special">::</span><span class="identifier">execution_context</span><span class="special"><</span><span class="keyword">char</span><span class="special">></span> <span class="special">&&</span> <span class="identifier">sink</span><span class="special">,</span><span class="keyword">char</span><span class="special">){</span>
|
||||
<span class="comment">// create parser with callback function</span>
|
||||
<span class="identifier">Parser</span> <span class="identifier">p</span><span class="special">(</span> <span class="identifier">is</span><span class="special">,</span>
|
||||
<span class="special">[&</span><span class="identifier">sink</span><span class="special">](</span><span class="keyword">char</span> <span class="identifier">ch</span><span class="special">){</span>
|
||||
@@ -496,7 +511,7 @@
|
||||
<span class="comment">// set termination flag</span>
|
||||
<span class="identifier">done</span><span class="special">=</span><span class="keyword">true</span><span class="special">;</span>
|
||||
<span class="comment">// resume main execution context</span>
|
||||
<span class="keyword">return</span> <span class="identifier">sink</span><span class="special">;</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="identifier">sink</span><span class="special">);</span>
|
||||
<span class="special">});</span>
|
||||
|
||||
<span class="comment">// user-code pulls parsed data from parser</span>
|
||||
|
||||
@@ -65,13 +65,13 @@
|
||||
<p>
|
||||
All functions and classes are contained in the namespace <span class="emphasis"><em>boost::context</em></span>.
|
||||
</p>
|
||||
<div class="important"><table border="0" summary="Important">
|
||||
<div class="note"><table border="0" summary="Note">
|
||||
<tr>
|
||||
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../../doc/src/images/important.png"></td>
|
||||
<th align="left">Important</th>
|
||||
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../doc/src/images/note.png"></td>
|
||||
<th align="left">Note</th>
|
||||
</tr>
|
||||
<tr><td align="left" valign="top"><p>
|
||||
<span class="emphasis"><em>execution_context</em></span> requires C++11!
|
||||
This library requires C++11!
|
||||
</p></td></tr>
|
||||
</table></div>
|
||||
</div>
|
||||
|
||||
@@ -68,7 +68,7 @@
|
||||
</div>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"><p><small>Last revised: March 04, 2016 at 17:27:37 GMT</small></p></td>
|
||||
<td align="left"><p><small>Last revised: October 07, 2016 at 16:36:39 GMT</small></p></td>
|
||||
<td align="right"><div class="copyright-footer"></div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
|
||||
@@ -23,14 +23,14 @@ void echoSSE( int i) {
|
||||
std::cout << v32[3];
|
||||
}
|
||||
|
||||
boost::context::execution_context< int > echo( boost::context::execution_context< int > ctx, int i) {
|
||||
boost::context::execution_context< int > echo( boost::context::execution_context< int > && ctx, int i) {
|
||||
for (;;) {
|
||||
std::cout << i;
|
||||
echoSSE( i);
|
||||
std::cout << " ";
|
||||
std::tie( ctx, i) = ctx( 0);
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
int main( int argc, char * argv[]) {
|
||||
|
||||
@@ -15,7 +15,7 @@ namespace ctx = boost::context;
|
||||
int main() {
|
||||
int n=35;
|
||||
ctx::execution_context< int > source(
|
||||
[n](ctx::execution_context< int > sink, int) mutable {
|
||||
[n](ctx::execution_context< int > && sink, int) mutable {
|
||||
int a=0;
|
||||
int b=1;
|
||||
while(n-->0){
|
||||
@@ -25,7 +25,7 @@ int main() {
|
||||
a=b;
|
||||
b=next;
|
||||
}
|
||||
return sink;
|
||||
return std::move( sink);
|
||||
});
|
||||
for(int i=0;i<10;++i){
|
||||
auto result=source(i);
|
||||
|
||||
@@ -11,11 +11,11 @@
|
||||
|
||||
namespace ctx = boost::context;
|
||||
|
||||
ctx::execution_context< int > f1( ctx::execution_context< int > ctxm, int data) {
|
||||
ctx::execution_context< int > f1( ctx::execution_context< int > && ctxm, int data) {
|
||||
std::cout << "f1: entered first time: " << data << std::endl;
|
||||
std::tie( ctxm, data) = ctxm( data + 2);
|
||||
std::cout << "f1: entered second time: " << data << std::endl;
|
||||
return ctxm;
|
||||
return std::move( ctxm);
|
||||
}
|
||||
|
||||
int main() {
|
||||
|
||||
@@ -11,11 +11,11 @@
|
||||
|
||||
namespace ctx = boost::context;
|
||||
|
||||
ctx::execution_context< void > f1( ctx::execution_context< void > ctxm) {
|
||||
ctx::execution_context< void > f1( ctx::execution_context< void > && ctxm) {
|
||||
std::cout << "f1: entered first time" << std::endl;
|
||||
ctxm = ctxm();
|
||||
std::cout << "f1: entered second time" << std::endl;
|
||||
return ctxm;
|
||||
return std::move( ctxm);
|
||||
}
|
||||
|
||||
int main() {
|
||||
|
||||
@@ -12,16 +12,16 @@
|
||||
|
||||
namespace ctx = boost::context;
|
||||
|
||||
ctx::execution_context< int > f1( ctx::execution_context< int > ctx, int data) {
|
||||
ctx::execution_context< int > f1( ctx::execution_context< int > && ctx, int data) {
|
||||
std::cout << "f1: entered first time: " << data << std::endl;
|
||||
std::tie( ctx, data) = ctx( data + 1);
|
||||
std::cout << "f1: entered second time: " << data << std::endl;
|
||||
std::tie( ctx, data) = ctx( data + 1);
|
||||
std::cout << "f1: entered third time: " << data << std::endl;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
std::tuple< ctx::execution_context< int >, int > f2( ctx::execution_context< int > ctx, int data) {
|
||||
std::tuple< ctx::execution_context< int >, int > f2( ctx::execution_context< int > && ctx, int data) {
|
||||
std::cout << "f2: entered: " << data << std::endl;
|
||||
return std::make_tuple( std::move( ctx), -1);
|
||||
}
|
||||
|
||||
@@ -12,18 +12,18 @@
|
||||
|
||||
namespace ctx = boost::context;
|
||||
|
||||
ctx::execution_context< void > f1( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > f1( ctx::execution_context< void > && ctx) {
|
||||
std::cout << "f1: entered first time" << std::endl;
|
||||
ctx = ctx();
|
||||
std::cout << "f1: entered second time" << std::endl;
|
||||
ctx = ctx();
|
||||
std::cout << "f1: entered third time" << std::endl;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > f2( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > f2( ctx::execution_context< void > && ctx) {
|
||||
std::cout << "f2: entered" << std::endl;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
int main() {
|
||||
|
||||
@@ -27,7 +27,7 @@ public:
|
||||
X():
|
||||
excptr_(),
|
||||
ctx_(
|
||||
[this](ctx::execution_context<variant_t> ctx, variant_t data){
|
||||
[this](ctx::execution_context<variant_t> && ctx, variant_t data){
|
||||
try {
|
||||
for (;;) {
|
||||
int i = boost::get<int>(data);
|
||||
@@ -39,7 +39,7 @@ public:
|
||||
} catch ( std::bad_cast const&) {
|
||||
excptr_=std::current_exception();
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
})
|
||||
{}
|
||||
|
||||
|
||||
@@ -97,7 +97,7 @@ int main() {
|
||||
|
||||
// execute parser in new execution context
|
||||
boost::context::execution_context<char> source(
|
||||
[&is,&done,&except](ctx::execution_context<char> sink,char){
|
||||
[&is,&done,&except](ctx::execution_context<char> && sink,char){
|
||||
// create parser with callback function
|
||||
Parser p( is,
|
||||
[&sink](char ch){
|
||||
@@ -115,7 +115,7 @@ int main() {
|
||||
// set termination flag
|
||||
done=true;
|
||||
// resume main execution context
|
||||
return sink;
|
||||
return std::move( sink);
|
||||
});
|
||||
|
||||
// user-code pulls parsed data from parser
|
||||
|
||||
@@ -19,7 +19,7 @@ struct my_exception {
|
||||
}
|
||||
};
|
||||
|
||||
boost::context::execution_context<void> f1(boost::context::execution_context<void> ctx) {
|
||||
boost::context::execution_context<void> f1(boost::context::execution_context<void> && ctx) {
|
||||
try {
|
||||
for (;;) {
|
||||
std::cout << "f1()" << std::endl;
|
||||
@@ -29,12 +29,12 @@ boost::context::execution_context<void> f1(boost::context::execution_context<voi
|
||||
std::cout << "f1(): my_exception catched" << std::endl;
|
||||
ctx = std::move( e.ctx);
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
boost::context::execution_context<void> f2(boost::context::execution_context<void> ctx) {
|
||||
boost::context::execution_context<void> f2(boost::context::execution_context<void> && ctx) {
|
||||
throw my_exception( std::move( ctx) );
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
int main() {
|
||||
|
||||
@@ -19,10 +19,11 @@
|
||||
|
||||
boost::uint64_t jobs = 1000;
|
||||
|
||||
static boost::context::execution_context< void > foo( boost::context::execution_context< void > ctx) {
|
||||
static boost::context::execution_context< void > foo( boost::context::execution_context< void > && ctx) {
|
||||
while ( true) {
|
||||
ctx = ctx();
|
||||
}
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
duration_type measure_time() {
|
||||
|
||||
@@ -31,9 +31,9 @@ std::string value2;
|
||||
double value3 = 0.;
|
||||
|
||||
struct X {
|
||||
ctx::execution_context< void > foo( int i, ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > foo( int i, ctx::execution_context< void > && ctx) {
|
||||
value1 = i;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
};
|
||||
|
||||
@@ -109,39 +109,39 @@ void seh( bool & catched) {
|
||||
}
|
||||
#endif
|
||||
|
||||
ctx::execution_context< void > fn1( int i, ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn1( int i, ctx::execution_context< void > && ctx) {
|
||||
value1 = i;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn2( const char * what, ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn2( const char * what, ctx::execution_context< void > && ctx) {
|
||||
try {
|
||||
throw std::runtime_error( what);
|
||||
} catch ( std::runtime_error const& e) {
|
||||
value2 = e.what();
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn3( double d, ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn3( double d, ctx::execution_context< void > && ctx) {
|
||||
d += 3.45;
|
||||
value3 = d;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn5( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn5( ctx::execution_context< void > && ctx) {
|
||||
value1 = 3;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn4( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > ctx1( fn5);
|
||||
ctx::execution_context< void > fn4( ctx::execution_context< void > && ctx) {
|
||||
ctx::execution_context< void > && ctx1( fn5);
|
||||
ctx1();
|
||||
value3 = 3.14;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn6( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn6( ctx::execution_context< void > && ctx) {
|
||||
try {
|
||||
value1 = 3;
|
||||
ctx = ctx();
|
||||
@@ -151,63 +151,63 @@ ctx::execution_context< void > fn6( ctx::execution_context< void > ctx) {
|
||||
value2 = e.what();
|
||||
ctx = std::move( e.ctx);
|
||||
}
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< void > fn7( ctx::execution_context< void > ctx) {
|
||||
ctx::execution_context< void > fn7( ctx::execution_context< void > && ctx) {
|
||||
Y y;
|
||||
return ctx();
|
||||
}
|
||||
|
||||
ctx::execution_context< int > fn8( ctx::execution_context< int > ctx, int i) {
|
||||
ctx::execution_context< int > fn8( ctx::execution_context< int > && ctx, int i) {
|
||||
value1 = i;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< int > fn9( ctx::execution_context< int > ctx, int i) {
|
||||
ctx::execution_context< int > fn9( ctx::execution_context< int > && ctx, int i) {
|
||||
value1 = i;
|
||||
std::tie( ctx, i) = ctx( i);
|
||||
value1 = i;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< int & > fn10( ctx::execution_context< int & > ctx, int & i) {
|
||||
ctx::execution_context< int & > fn10( ctx::execution_context< int & > && ctx, int & i) {
|
||||
std::tie( ctx, i) = ctx( i);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< moveable > fn11( ctx::execution_context< moveable > ctx, moveable m) {
|
||||
ctx::execution_context< moveable > fn11( ctx::execution_context< moveable > && ctx, moveable m) {
|
||||
std::tie( ctx, m) = ctx( std::move( m) );
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< int, std::string > fn12( ctx::execution_context< int, std::string > ctx, int i, std::string str) {
|
||||
ctx::execution_context< int, std::string > fn12( ctx::execution_context< int, std::string > && ctx, int i, std::string str) {
|
||||
std::tie( ctx, i, str) = ctx( i, str);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< int, moveable > fn13( ctx::execution_context< int, moveable > ctx, int i, moveable m) {
|
||||
ctx::execution_context< int, moveable > fn13( ctx::execution_context< int, moveable > && ctx, int i, moveable m) {
|
||||
std::tie( ctx, i, m) = ctx( i, std::move( m) );
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< variant_t > fn14( ctx::execution_context< variant_t > ctx, variant_t data) {
|
||||
ctx::execution_context< variant_t > fn14( ctx::execution_context< variant_t > && ctx, variant_t data) {
|
||||
int i = boost::get< int >( data);
|
||||
data = boost::lexical_cast< std::string >( i);
|
||||
std::tie( ctx, data) = ctx( data);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< Y * > fn15( ctx::execution_context< Y * > ctx, Y * py) {
|
||||
ctx::execution_context< Y * > fn15( ctx::execution_context< Y * > && ctx, Y * py) {
|
||||
ctx( py);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
ctx::execution_context< int > fn16( ctx::execution_context< int > ctx, int i) {
|
||||
ctx::execution_context< int > fn16( ctx::execution_context< int > && ctx, int i) {
|
||||
value1 = i;
|
||||
std::tie( ctx, i) = ctx( i);
|
||||
value1 = i;
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
}
|
||||
|
||||
|
||||
@@ -250,9 +250,9 @@ void test_exception() {
|
||||
{
|
||||
bool catched = false;
|
||||
std::thread([&catched](){
|
||||
ctx::execution_context< void > ctx([&catched](ctx::execution_context< void > ctx){
|
||||
ctx::execution_context< void > ctx([&catched](ctx::execution_context< void > && ctx){
|
||||
seh( catched);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
});
|
||||
BOOST_CHECK( ctx);
|
||||
ctx();
|
||||
@@ -360,9 +360,9 @@ void test_ontop_exception() {
|
||||
BOOST_CHECK_EQUAL( 3, value1);
|
||||
const char * what = "hello world";
|
||||
ctx( ctx::exec_ontop_arg,
|
||||
[what](ctx::execution_context< void > ctx){
|
||||
[what](ctx::execution_context< void > && ctx){
|
||||
throw my_exception( what, std::move( ctx) );
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
});
|
||||
BOOST_CHECK_EQUAL( 3, value1);
|
||||
BOOST_CHECK_EQUAL( std::string( what), value2);
|
||||
@@ -488,10 +488,10 @@ void test_variant() {
|
||||
#ifdef BOOST_WINDOWS
|
||||
void test_bug12215() {
|
||||
ctx::execution_context< void > ctx(
|
||||
[](ctx::execution_context< void > ctx) {
|
||||
[](ctx::execution_context< void > && ctx) {
|
||||
char buffer[MAX_PATH];
|
||||
GetModuleFileName( nullptr, buffer, MAX_PATH);
|
||||
return ctx;
|
||||
return std::move( ctx);
|
||||
});
|
||||
ctx();
|
||||
|
||||
|
||||
Reference in New Issue
Block a user