95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
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/*
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* ptw32_new.c
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*
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* Description:
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* This translation unit implements miscellaneous thread functions.
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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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pthread_t
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ptw32_new (void)
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{
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pthread_t t;
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pthread_t nil = {NULL, 0};
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ptw32_thread_t * tp;
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/*
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* If there's a reusable pthread_t then use it.
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*/
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t = ptw32_threadReusePop ();
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if (NULL != t.p)
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{
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tp = (ptw32_thread_t *) t.p;
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}
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else
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{
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/* No reuse threads available */
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tp = (ptw32_thread_t *) calloc (1, sizeof(ptw32_thread_t));
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if (tp == NULL)
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{
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return nil;
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}
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/* ptHandle.p needs to point to it's parent ptw32_thread_t. */
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t.p = tp->ptHandle.p = tp;
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t.x = tp->ptHandle.x = 0;
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}
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/* Set default state. */
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tp->seqNumber = ++ptw32_threadSeqNumber;
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tp->sched_priority = THREAD_PRIORITY_NORMAL;
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tp->detachState = PTHREAD_CREATE_JOINABLE;
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tp->cancelState = PTHREAD_CANCEL_ENABLE;
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tp->cancelType = PTHREAD_CANCEL_DEFERRED;
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tp->stateLock = 0;
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tp->threadLock = 0;
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tp->robustMxListLock = 0;
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tp->robustMxList = NULL;
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tp->cancelEvent = CreateEvent (0, (int) PTW32_TRUE, /* manualReset */
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(int) PTW32_FALSE, /* setSignaled */
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NULL);
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if (tp->cancelEvent == NULL)
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{
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ptw32_threadReusePush (tp->ptHandle);
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return nil;
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}
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return t;
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}
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