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ptw32_new.c    95 lines (83 with data), 2.7 kB

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/*
* ptw32_new.c
*
* Description:
* This translation unit implements miscellaneous thread functions.
*
* --------------------------------------------------------------------------
*
* 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"
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->cancelEvent = CreateEvent (0, (int) PTW32_TRUE, /* manualReset */
(int) PTW32_FALSE, /* setSignaled */
NULL);
if (tp->cancelEvent == NULL)
{
ptw32_threadReusePush (tp->ptHandle);
return nil;
}
return t;
}