Completely restructured tss cleanup. Automatic tss cleanup in Win32 static Boost.Threads library now works for both VC++ 6 and 7.1 (probably also 7.0, but this hasn't been tested).

[SVN r24307]
2026-02-13 12:52:11 +00:00 · 2004-08-05 17:33:07 +00:00
parent c0aeaecc14
commit 4ad99d8242
8 changed files with 512 additions and 33 deletions
--- a/src/tss_dll.cpp
+++ b/src/tss_dll.cpp
@@ -0,0 +1,70 @@
+// (C) Copyright Michael Glassford 2004.
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/thread/detail/config.hpp>
+
+#if defined(BOOST_HAS_WINTHREADS) && defined(BOOST_THREAD_BUILD_DLL)
+
+    #include <boost/thread/detail/tss_hooks.hpp>
+
+    #define WIN32_LEAN_AND_MEAN
+    #include <windows.h>
+
+    #if defined(__BORLANDC__)
+        extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
+    #else
+        extern "C" BOOL WINAPI DllMain(HINSTANCE /*hInstance*/, DWORD dwReason, LPVOID /*lpReserved*/)
+    #endif
+    {
+        switch(dwReason)
+        {
+            case DLL_PROCESS_ATTACH:
+            {
+                on_process_enter();
+                on_thread_enter();
+                break;
+            }
+
+            case DLL_THREAD_ATTACH:
+            {
+                on_thread_enter();
+                break;
+            }
+
+            case DLL_THREAD_DETACH:
+            {
+                on_thread_exit();
+                break;
+            }
+
+            case DLL_PROCESS_DETACH:
+            {
+                on_thread_exit();
+                on_process_exit();
+                break;
+            }
+        }
+
+        return TRUE;
+    }
+
+    extern "C" void tss_cleanup_implemented(void)
+    {
+        /*
+        This function's sole purpose is to cause a link error in cases where
+        automatic tss cleanup is not implemented by Boost.Threads as a
+        reminder that user code is responsible for calling the necessary
+        functions at the appropriate times (and for implementing an a
+        tss_cleanup_implemented() function to eliminate the linker's
+        missing symbol error).
+
+        If Boost.Threads later implements automatic tss cleanup in cases
+        where it currently doesn't (which is the plan), the duplicate
+        symbol error will warn the user that their custom solution is no
+        longer needed and can be removed.
+        */
+    }
+
+#endif //defined(BOOST_HAS_WINTHREADS) && defined(BOOST_THREAD_BUILD_DLL)