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-rw-r--r--pthreads/ptw32_threadStart.c169
1 files changed, 71 insertions, 98 deletions
diff --git a/pthreads/ptw32_threadStart.c b/pthreads/ptw32_threadStart.c
index cb08403b1..ffa0eb602 100644
--- a/pthreads/ptw32_threadStart.c
+++ b/pthreads/ptw32_threadStart.c
@@ -9,10 +9,11 @@
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.canberra.edu.au
- *
+ * Copyright(C) 1999,2012 Pthreads-win32 contributors
+ *
+ * Homepage1: http://sourceware.org/pthreads-win32/
+ * Homepage2: http://sourceforge.net/projects/pthreads4w/
+ *
* The current list of contributors is contained
* in the file CONTRIBUTORS included with the source
* code distribution. The list can also be seen at the
@@ -35,6 +36,10 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include "pthread.h"
#include "implement.h"
#include <stdio.h>
@@ -59,7 +64,7 @@ ExceptionFilter (EXCEPTION_POINTERS * ep, DWORD * ei)
for (param = 0; param < numParams; param++)
{
- ei[param] = ep->ExceptionRecord->ExceptionInformation[param];
+ ei[param] = (DWORD) ep->ExceptionRecord->ExceptionInformation[param];
}
return EXCEPTION_EXECUTE_HANDLER;
@@ -89,38 +94,32 @@ ExceptionFilter (EXCEPTION_POINTERS * ep, DWORD * ei)
#elif defined(__WATCOMC__)
# include <eh.h>
# include <exceptio.h>
-typedef terminate_handler
- terminate_function;
#else
# if defined(__GNUC__) && __GNUC__ < 3
# include <new.h>
# else
# include <new>
using
- std::terminate_handler;
-using
std::terminate;
using
std::set_terminate;
# endif
-typedef terminate_handler
- terminate_function;
#endif
-static terminate_function
- ptw32_oldTerminate;
-
-void
-ptw32_terminate ()
-{
- set_terminate (ptw32_oldTerminate);
- (void) pthread_win32_thread_detach_np ();
- terminate ();
-}
+#endif /* __CLEANUP_CXX */
+/*
+ * MSVC6 does not optimize ptw32_threadStart() safely
+ * (i.e. tests/context1.c fails with "abnormal program
+ * termination" in some configurations), and there's no
+ * point to optimizing this routine anyway
+ */
+#ifdef _MSC_VER
+# pragma optimize("g", off)
+# pragma warning( disable : 4748 )
#endif
-#if ! (defined(__MINGW64__) || defined(__MINGW32__)) || (defined (__MSVCRT__) && ! defined (__DMC__))
+#if ! defined (PTW32_CONFIG_MINGW) || (defined (__MSVCRT__) && ! defined (__DMC__))
unsigned
__stdcall
#else
@@ -131,7 +130,7 @@ ptw32_threadStart (void *vthreadParms)
ThreadParms * threadParms = (ThreadParms *) vthreadParms;
pthread_t self;
ptw32_thread_t * sp;
- void *(*start) (void *);
+ void * (PTW32_CDECL *start) (void *);
void * arg;
#if defined(__CLEANUP_SEH)
@@ -153,7 +152,7 @@ ptw32_threadStart (void *vthreadParms)
free (threadParms);
-#if (defined(__MINGW64__) || defined(__MINGW32__)) && ! defined (__MSVCRT__)
+#if defined (PTW32_CONFIG_MINGW) && ! defined (__MSVCRT__)
/*
* beginthread does not return the thread id and is running
* before it returns us the thread handle, and so we do it here.
@@ -194,19 +193,19 @@ ptw32_threadStart (void *vthreadParms)
{
switch (ei[0])
{
- case PTW32_EPS_CANCEL:
- status = sp->exitStatus = PTHREAD_CANCELED;
+ case PTW32_EPS_CANCEL:
+ status = sp->exitStatus = PTHREAD_CANCELED;
#if defined(_UWIN)
- if (--pthread_count <= 0)
- exit (0);
+ if (--pthread_count <= 0)
+ exit (0);
#endif
- break;
- case PTW32_EPS_EXIT:
- status = sp->exitStatus;
- break;
- default:
- status = sp->exitStatus = PTHREAD_CANCELED;
- break;
+ break;
+ case PTW32_EPS_EXIT:
+ status = sp->exitStatus;
+ break;
+ default:
+ status = sp->exitStatus = PTHREAD_CANCELED;
+ break;
}
}
@@ -218,7 +217,6 @@ ptw32_threadStart (void *vthreadParms)
if (0 == setjmp_rc)
{
-
/*
* Run the caller's routine;
*/
@@ -228,64 +226,27 @@ ptw32_threadStart (void *vthreadParms)
else
{
switch (setjmp_rc)
- {
- case PTW32_EPS_CANCEL:
- status = sp->exitStatus = PTHREAD_CANCELED;
- break;
- case PTW32_EPS_EXIT:
- status = sp->exitStatus;
- break;
- default:
- status = sp->exitStatus = PTHREAD_CANCELED;
- break;
- }
+ {
+ case PTW32_EPS_CANCEL:
+ status = sp->exitStatus = PTHREAD_CANCELED;
+ break;
+ case PTW32_EPS_EXIT:
+ status = sp->exitStatus;
+ break;
+ default:
+ status = sp->exitStatus = PTHREAD_CANCELED;
+ break;
+ }
}
#else /* __CLEANUP_C */
#if defined(__CLEANUP_CXX)
- ptw32_oldTerminate = set_terminate (&ptw32_terminate);
-
try
{
- /*
- * Run the caller's routine in a nested try block so that we
- * can run the user's terminate function, which may call
- * pthread_exit() or be canceled.
- */
- try
- {
- status = sp->exitStatus = (*start) (arg);
- sp->state = PThreadStateExiting;
- }
- catch (ptw32_exception &)
- {
- /*
- * Pass these through to the outer block.
- */
- throw;
- }
- catch (...)
- {
- /*
- * We want to run the user's terminate function if supplied.
- * That function may call pthread_exit() or be canceled, which will
- * be handled by the outer try block.
- *
- * ptw32_terminate() will be called if there is no user
- * supplied function.
- */
- terminate_function
- term_func = set_terminate (0);
- set_terminate (term_func);
-
- if (term_func != 0)
- {
- term_func ();
- }
- throw;
- }
+ status = sp->exitStatus = (*start) (arg);
+ sp->state = PThreadStateExiting;
}
catch (ptw32_exception_cancel &)
{
@@ -304,16 +265,13 @@ ptw32_threadStart (void *vthreadParms)
catch (...)
{
/*
- * A system unexpected exception has occurred running the user's
- * terminate routine. We get control back within this block
- * and exit with a substitute status. If the thread was not
- * cancelled then this indicates the unhandled exception.
+ * Some other exception occurred. Clean up while we have
+ * the opportunity, and call the terminate handler.
*/
- status = sp->exitStatus = PTHREAD_CANCELED;
+ (void) pthread_win32_thread_detach_np ();
+ terminate ();
}
- (void) set_terminate (ptw32_oldTerminate);
-
#else
#error ERROR [__FILE__, line __LINE__]: Cleanup type undefined.
@@ -326,7 +284,7 @@ ptw32_threadStart (void *vthreadParms)
/*
* We need to cleanup the pthread now if we have
* been statically linked, in which case the cleanup
- * in dllMain won't get done. Joinable threads will
+ * in DllMain won't get done. Joinable threads will
* only be partially cleaned up and must be fully cleaned
* up by pthread_join() or pthread_detach().
*
@@ -334,13 +292,13 @@ ptw32_threadStart (void *vthreadParms)
* implicitly created pthreads (those created
* for Win32 threads which have called pthreads routines)
* must be cleaned up explicitly by the application
- * (by calling pthread_win32_thread_detach_np()).
- * For the dll, dllMain will do the cleanup automatically.
+ * by calling pthread_exit().
+ * For the dll, DllMain will do the cleanup automatically.
*/
(void) pthread_win32_thread_detach_np ();
#endif
-#if ! (defined(__MINGW64__) || defined(__MINGW32__)) || defined (__MSVCRT__) || defined (__DMC__)
+#if ! defined (PTW32_CONFIG_MINGW) || defined (__MSVCRT__) || defined (__DMC__)
_endthreadex ((unsigned)(size_t) status);
#else
_endthread ();
@@ -350,8 +308,23 @@ ptw32_threadStart (void *vthreadParms)
* Never reached.
*/
-#if ! (defined(__MINGW64__) || defined(__MINGW32__)) || defined (__MSVCRT__) || defined (__DMC__)
+#if ! defined (PTW32_CONFIG_MINGW) || defined (__MSVCRT__) || defined (__DMC__)
return (unsigned)(size_t) status;
#endif
} /* ptw32_threadStart */
+
+/*
+ * Reset optimization
+ */
+#ifdef _MSC_VER
+# pragma optimize("", on)
+#endif
+
+#if defined (PTW32_USES_SEPARATE_CRT) && defined (__cplusplus)
+ptw32_terminate_handler
+pthread_win32_set_terminate_np(ptw32_terminate_handler termFunction)
+{
+ return set_terminate(termFunction);
+}
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 08:30:33 +0000