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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /pthreads/ptw32_threadStart.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'pthreads/ptw32_threadStart.c')
-rw-r--r-- | pthreads/ptw32_threadStart.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/pthreads/ptw32_threadStart.c b/pthreads/ptw32_threadStart.c new file mode 100644 index 000000000..5c0fe0e85 --- /dev/null +++ b/pthreads/ptw32_threadStart.c @@ -0,0 +1,360 @@ +/* + * ptw32_threadStart.c + * + * Description: + * This translation unit implements routines which are private to + * the implementation and may be used throughout it. + * + * -------------------------------------------------------------------------- + * + * 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 + * + * 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 + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "pthread.h" +#include "implement.h" + +#ifdef __CLEANUP_SEH + +static DWORD +ExceptionFilter (EXCEPTION_POINTERS * ep, DWORD * ei) +{ + switch (ep->ExceptionRecord->ExceptionCode) + { + case EXCEPTION_PTW32_SERVICES: + { + DWORD param; + DWORD numParams = ep->ExceptionRecord->NumberParameters; + + numParams = (numParams > 3) ? 3 : numParams; + + for (param = 0; param < numParams; param++) + { + ei[param] = ep->ExceptionRecord->ExceptionInformation[param]; + } + + return EXCEPTION_EXECUTE_HANDLER; + break; + } + default: + { + /* + * A system unexpected exception has occurred running the user's + * routine. We need to cleanup before letting the exception + * out of thread scope. + */ + pthread_t self = pthread_self (); + + (void) pthread_mutex_destroy (&((ptw32_thread_t *)self.p)->cancelLock); + ptw32_callUserDestroyRoutines (self); + + return EXCEPTION_CONTINUE_SEARCH; + break; + } + } +} + +#elif defined(__CLEANUP_CXX) + +#if defined(_MSC_VER) +# include <eh.h> +#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 + +#if ! defined (__MINGW32__) || (defined (__MSVCRT__) && ! defined (__DMC__)) +unsigned + __stdcall +#else +void +#endif +ptw32_threadStart (void *vthreadParms) +{ + ThreadParms * threadParms = (ThreadParms *) vthreadParms; + pthread_t self; + ptw32_thread_t * sp; + void *(*start) (void *); + void * arg; + +#ifdef __CLEANUP_SEH + DWORD + ei[] = { 0, 0, 0 }; +#endif + +#ifdef __CLEANUP_C + int setjmp_rc; +#endif + + void * status = (void *) 0; + + self = threadParms->tid; + sp = (ptw32_thread_t *) self.p; + start = threadParms->start; + arg = threadParms->arg; + + free (threadParms); + +#if defined (__MINGW32__) && ! 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. + */ + sp->thread = GetCurrentThreadId (); + /* + * Here we're using cancelLock as a general-purpose lock + * to make the new thread wait until the creating thread + * has the new handle. + */ + if (pthread_mutex_lock (&sp->cancelLock) == 0) + { + (void) pthread_mutex_unlock (&sp->cancelLock); + } +#endif + + pthread_setspecific (ptw32_selfThreadKey, sp); + + sp->state = PThreadStateRunning; + +#ifdef __CLEANUP_SEH + + __try + { + /* + * Run the caller's routine; + */ + status = sp->exitStatus = (*start) (arg); + +#ifdef _UWIN + if (--pthread_count <= 0) + exit (0); +#endif + + } + __except (ExceptionFilter (GetExceptionInformation (), ei)) + { + switch (ei[0]) + { + case PTW32_EPS_CANCEL: + status = sp->exitStatus = PTHREAD_CANCELED; +#ifdef _UWIN + if (--pthread_count <= 0) + exit (0); +#endif + break; + case PTW32_EPS_EXIT: + status = sp->exitStatus; + break; + default: + status = sp->exitStatus = PTHREAD_CANCELED; + break; + } + } + +#else /* __CLEANUP_SEH */ + +#ifdef __CLEANUP_C + + setjmp_rc = setjmp (sp->start_mark); + + if (0 == setjmp_rc) + { + + /* + * Run the caller's routine; + */ + status = sp->exitStatus = (*start) (arg); + } + 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; + } + } + +#else /* __CLEANUP_C */ + +#ifdef __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); + } + 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; + } + } + catch (ptw32_exception_cancel &) + { + /* + * Thread was canceled. + */ + status = sp->exitStatus = PTHREAD_CANCELED; + } + catch (ptw32_exception_exit &) + { + /* + * Thread was exited via pthread_exit(). + */ + status = sp->exitStatus; + } + catch (...) + { + /* + * A system unexpected exception has occurred running the user's + * terminate routine. We get control back within this block - cleanup + * and release the exception out of thread scope. + */ + status = sp->exitStatus = PTHREAD_CANCELED; + (void) pthread_mutex_lock (&sp->cancelLock); + sp->state = PThreadStateException; + (void) pthread_mutex_unlock (&sp->cancelLock); + (void) pthread_win32_thread_detach_np (); + (void) set_terminate (ptw32_oldTerminate); + throw; + + /* + * Never reached. + */ + } + + (void) set_terminate (ptw32_oldTerminate); + +#else + +#error ERROR [__FILE__, line __LINE__]: Cleanup type undefined. + +#endif /* __CLEANUP_CXX */ +#endif /* __CLEANUP_C */ +#endif /* __CLEANUP_SEH */ + +#if defined(PTW32_STATIC_LIB) + /* + * 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 + * only be partially cleaned up and must be fully cleaned + * up by pthread_join() or pthread_detach(). + * + * Note: if this library has been statically linked, + * 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. + */ + (void) pthread_win32_thread_detach_np (); +#endif + +#if ! defined (__MINGW32__) || defined (__MSVCRT__) || defined (__DMC__) + _endthreadex ((unsigned) status); +#else + _endthread (); +#endif + + /* + * Never reached. + */ + +#if ! defined (__MINGW32__) || defined (__MSVCRT__) || defined (__DMC__) + return (unsigned) status; +#endif + +} /* ptw32_threadStart */ |