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/*
* ptw32_new.c
*
* Description:
* This translation unit implements miscellaneous thread functions.
*
* --------------------------------------------------------------------------
*
* Pthreads4w - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999-2018, Pthreads4w contributors
*
* Homepage: https://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
* following World Wide Web location:
* https://sourceforge.net/p/pthreads4w/wiki/Contributors/
*
* This file is part of Pthreads4w.
*
* Pthreads4w is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pthreads4w 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pthreads4w. If not, see <http://www.gnu.org/licenses/>. *
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "pthread.h"
#include "implement.h"
pthread_t
ptw32_new (void)
{
pthread_t t;
pthread_t nil = {NULL, 0};
ptw32_thread_t * tp;
/*
* If there's a reusable pthread_t then use it.
*/
t = ptw32_threadReusePop ();
if (NULL != t.p)
{
tp = (ptw32_thread_t *) t.p;
}
else
{
/* No reuse threads available */
tp = (ptw32_thread_t *) calloc (1, sizeof(ptw32_thread_t));
if (tp == NULL)
{
return nil;
}
/* ptHandle.p needs to point to it's parent ptw32_thread_t. */
t.p = tp->ptHandle.p = tp;
t.x = tp->ptHandle.x = 0;
}
/* Set default state. */
tp->seqNumber = ++ptw32_threadSeqNumber;
tp->sched_priority = THREAD_PRIORITY_NORMAL;
tp->detachState = PTHREAD_CREATE_JOINABLE;
tp->cancelState = PTHREAD_CANCEL_ENABLE;
tp->cancelType = PTHREAD_CANCEL_DEFERRED;
tp->stateLock = 0;
tp->threadLock = 0;
tp->robustMxListLock = 0;
tp->robustMxList = NULL;
tp->name = NULL;
#if defined(HAVE_CPU_AFFINITY)
CPU_ZERO((cpu_set_t*)&tp->cpuset);
#endif
tp->cancelEvent = CreateEvent (0, (int) PTW32_TRUE, /* manualReset */
(int) PTW32_FALSE, /* setSignaled */
NULL);
if (tp->cancelEvent == NULL)
{
ptw32_threadReusePush (tp->ptHandle);
return nil;
}
return t;
}
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