107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
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/*
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* pthread_exit.c
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*
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* Description:
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* This translation unit implements routines associated with exiting from
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* a thread.
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "pthread.h"
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#include "implement.h"
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#if !defined(_UWIN)
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/*# include <process.h> */
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#endif
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void
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pthread_exit (void *value_ptr)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* This function terminates the calling thread, returning
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* the value 'value_ptr' to any joining thread.
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*
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* PARAMETERS
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* value_ptr
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* a generic data value (i.e. not the address of a value)
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*
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*
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* DESCRIPTION
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* This function terminates the calling thread, returning
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* the value 'value_ptr' to any joining thread.
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* NOTE: thread should be joinable.
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*
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* RESULTS
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* N/A
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*
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* ------------------------------------------------------
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*/
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{
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ptw32_thread_t * sp;
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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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sp = (ptw32_thread_t *) pthread_getspecific (ptw32_selfThreadKey);
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#if defined(_UWIN)
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if (--pthread_count <= 0)
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exit ((int) value_ptr);
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#endif
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if (NULL == sp)
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{
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/*
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* A POSIX thread handle was never created. I.e. this is a
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* Win32 thread that has never called a pthreads-win32 routine that
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* required a POSIX handle.
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*
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* Implicit POSIX handles are cleaned up in ptw32_throw() now.
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*/
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#if ! (defined (__MINGW64__) || defined(__MINGW32__)) || defined (__MSVCRT__) || defined (__DMC__)
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_endthreadex ((unsigned) (size_t) value_ptr);
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#else
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_endthread ();
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#endif
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/* Never reached */
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}
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sp->exitStatus = value_ptr;
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ptw32_throw (PTW32_EPS_EXIT);
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/* Never reached. */
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}
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