mirror of https://github.com/PCSX2/pcsx2.git
168 lines
4.0 KiB
C
168 lines
4.0 KiB
C
/*
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* ptw32_throw.c
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*
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* Description:
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* This translation unit implements routines which are private to
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* the implementation and may be used throughout it.
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include "pthread.h"
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#include "implement.h"
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/*
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* ptw32_throw
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*
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* All canceled and explicitly exited POSIX threads go through
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* here. This routine knows how to exit both POSIX initiated threads and
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* 'implicit' POSIX threads for each of the possible language modes (C,
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* C++, and SEH).
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*/
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void
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ptw32_throw (DWORD exception)
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{
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/*
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* Don't use pthread_self() to avoid creating an implicit POSIX thread handle
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* unnecessarily.
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*/
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ptw32_thread_t * sp = (ptw32_thread_t *) pthread_getspecific (ptw32_selfThreadKey);
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#ifdef __CLEANUP_SEH
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DWORD exceptionInformation[3];
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#endif
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if (exception != PTW32_EPS_CANCEL && exception != PTW32_EPS_EXIT)
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{
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/* Should never enter here */
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exit (1);
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}
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if (NULL == sp || sp->implicit)
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{
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/*
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* We're inside a non-POSIX initialised Win32 thread
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* so there is no point to jump or throw back to. Just do an
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* explicit thread exit here after cleaning up POSIX
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* residue (i.e. cleanup handlers, POSIX thread handle etc).
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*/
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unsigned exitCode = 0;
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switch (exception)
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{
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case PTW32_EPS_CANCEL:
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exitCode = (unsigned) PTHREAD_CANCELED;
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break;
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case PTW32_EPS_EXIT:
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exitCode = (unsigned) sp->exitStatus;;
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break;
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}
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#if defined(PTW32_STATIC_LIB)
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pthread_win32_thread_detach_np ();
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#endif
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#if ! defined (__MINGW32__) || defined (__MSVCRT__) || defined (__DMC__)
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_endthreadex (exitCode);
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#else
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_endthread ();
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#endif
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}
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#ifdef __CLEANUP_SEH
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exceptionInformation[0] = (DWORD) (exception);
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exceptionInformation[1] = (DWORD) (0);
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exceptionInformation[2] = (DWORD) (0);
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RaiseException (EXCEPTION_PTW32_SERVICES, 0, 3, exceptionInformation);
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#else /* __CLEANUP_SEH */
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#ifdef __CLEANUP_C
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ptw32_pop_cleanup_all (1);
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longjmp (sp->start_mark, exception);
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#else /* __CLEANUP_C */
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#ifdef __CLEANUP_CXX
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switch (exception)
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{
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case PTW32_EPS_CANCEL:
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throw ptw32_exception_cancel ();
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break;
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case PTW32_EPS_EXIT:
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throw ptw32_exception_exit ();
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break;
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}
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#else
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#error ERROR [__FILE__, line __LINE__]: Cleanup type undefined.
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#endif /* __CLEANUP_CXX */
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#endif /* __CLEANUP_C */
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#endif /* __CLEANUP_SEH */
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/* Never reached */
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}
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void
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ptw32_pop_cleanup_all (int execute)
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{
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while (NULL != ptw32_pop_cleanup (execute))
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{
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}
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}
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DWORD
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ptw32_get_exception_services_code (void)
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{
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#ifdef __CLEANUP_SEH
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return EXCEPTION_PTW32_SERVICES;
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#else
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return (DWORD) NULL;
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#endif
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}
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