ec fix for search_path with std::filesystem.

closes #287.

doc/v2/quickstart.qbk

@@ -1,4 +1,4 @@
-[section:quickstart Quickstrat]
+[section:quickstart Quickstart]
 
 A process needs four things to be launched:
 

include/boost/process/detail/posix/search_path.hpp

@@ -27,7 +27,11 @@ inline boost::process::filesystem::path search_path(
     for (const boost::process::filesystem::path & pp : path)
     {
         auto p = pp / filename;
+#if defined(BOOST_PROCESS_USE_STD_FS)
+        std::error_code ec;
+#else
         boost::system::error_code ec;
+#endif
         bool file = boost::process::filesystem::is_regular_file(p, ec);
         if (!ec && file && ::access(p.c_str(), X_OK) == 0)
             return p;

include/boost/process/detail/windows/search_path.hpp

@@ -61,7 +61,11 @@ inline boost::process::filesystem::path search_path(
         {
             boost::process::filesystem::path pp_ext = p;
             pp_ext += ext;
+#if defined(BOOST_PROCESS_USE_STD_FS)
+            std::error_code ec;
+#else
             boost::system::error_code ec;
+#endif
             bool file = boost::process::filesystem::is_regular_file(pp_ext, ec);
             if (!ec && file &&
                 ::boost::winapi::sh_get_file_info(pp_ext.native().c_str(), 0, 0, 0, ::boost::winapi::SHGFI_EXETYPE_))

include/boost/process/v2/detail/config.hpp

@@ -19,6 +19,7 @@
 #include <filesystem>
 #include <string_view>
 #include <iomanip>
+#include <optional>
 
 #if defined(ASIO_WINDOWS)
 #define BOOST_PROCESS_V2_WINDOWS 1
@@ -51,6 +52,7 @@
 #include <boost/system/error_code.hpp>
 #include <boost/system/system_category.hpp>
 #include <boost/system/system_error.hpp>
+#include <boost/optional.hpp>
 
 #if defined(BOOST_WINDOWS_API)
 #define BOOST_PROCESS_V2_WINDOWS 1
@@ -72,11 +74,9 @@
 
 #if defined(BOOST_PROCESS_USE_STD_FS)
 #include <filesystem>
-#include <optional>
 #else
 #include <boost/filesystem/path.hpp>
 #include <boost/filesystem/operations.hpp>
-#include <boost/optional.hpp>
 #endif
 
 #define BOOST_PROCESS_V2_BEGIN_NAMESPACE namespace boost { namespace process { namespace v2 {

include/boost/process/v2/posix/bind_fd.hpp

@@ -94,6 +94,7 @@ struct bind_fd
     error_code on_setup(posix::default_launcher & launcher, const filesystem::path &, const char * const *)
     {
         launcher.fd_whitelist.push_back(target);
+        return {};
     }
 
     /// Implementation of the initialization function.

include/boost/process/v2/start_dir.hpp

@@ -11,6 +11,7 @@
 #define BOOST_PROCESS_v2_START_DIR_HPP
 
 #include <boost/process/v2/detail/config.hpp>
+#include <boost/process/v2/detail/last_error.hpp>
 #include <boost/process/v2/default_launcher.hpp>
 
 BOOST_PROCESS_V2_BEGIN_NAMESPACE

include/boost/process/v2/stdio.hpp

@@ -11,6 +11,7 @@
 #define BOOST_PROCESS_V2_STDIO_HPP
 
 #include <boost/process/v2/detail/config.hpp>
+#include <boost/process/v2/detail/last_error.hpp>
 #include <boost/process/v2/default_launcher.hpp>
 #include <cstddef>
 #if defined(BOOST_PROCESS_V2_STANDALONE)

meta/libraries.json

@@ -1,6 +1,6 @@
 {
   "key": "process",
-  "name": "process",
+  "name": "Process",
   "authors": [
     "Merino Vidal", "Ilya Sokolov", "Felipe Tanus", 
     "Jeff Flinn", "Thomas Jarosch", "Boris Schaeling", "Klemens D. Morgenstern"

test/Jamfile.jam

@@ -100,7 +100,7 @@ test-suite with-valgrind :
     [ run env.cpp     program_options system filesystem       : [ test-options env ] : sparring_partner ]
     [ run group.cpp     system thread filesystem              : [ test-options group ] : sub_launch ]
     [ run group.cpp          system thread filesystem         : [ test-options group ] : sub_launch : <build>no <target-os>windows:<build>yes <define>BOOST_USE_WINDOWS_H=1 : group-windows-h ]
-    [ run group_wait.cpp     system thread filesystem         : [ test-options group_wait ] : sparring_partner : <target-os>darwin:<build>no ]
+    [ run group_wait.cpp     system thread filesystem         : [ test-options group_wait ] : sparring_partner : <target-os>darwin:<build>no <target-os>freebsd:<build>no ]
 	[ run limit_fd.cpp     program_options system filesystem  : [ test-options limit_fd ] : sparring_partner : <target-os>freebsd:<build>no ]
     [ run run_exe.cpp filesystem                              : : sparring_partner ]
     [ run run_exe_path.cpp filesystem                         : [ test-options run_exe_path ] : sparring_partner ]

test/v2/process.cpp

@@ -434,7 +434,10 @@ std::string read_env(const char * name, Inits && ... inits)
   std::string out;
   bpv::error_code ec;
 
-  const auto sz = asio::read(rp, asio::dynamic_buffer(out),  ec);
+   auto sz = asio::read(rp, asio::dynamic_buffer(out),  ec);
+  while (ec == asio::error::interrupted)
+    sz += asio::read(rp, asio::dynamic_buffer(out),  ec);
+
   BOOST_CHECK_MESSAGE((ec == asio::error::broken_pipe) || (ec == asio::error::eof), ec.message());
   out.resize(sz);
   trim_end(out);
@@ -527,6 +530,8 @@ BOOST_AUTO_TEST_CASE(bind_launcher)
   bpv::error_code ec;
 
   auto sz = asio::read(rp, asio::dynamic_buffer(out),  ec);
+  while (ec == asio::error::interrupted)
+    sz += asio::read(rp, asio::dynamic_buffer(out),  ec);
   BOOST_CHECK(sz != 0);
   BOOST_CHECK_MESSAGE((ec == asio::error::broken_pipe) || (ec == asio::error::eof), ec.message());
   BOOST_CHECK_MESSAGE(bpv::filesystem::path(out) == target,