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Diffstat (limited to 'pthreads/ptw32_new.c')
-rw-r--r-- | pthreads/ptw32_new.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/pthreads/ptw32_new.c b/pthreads/ptw32_new.c new file mode 100644 index 000000000..281256741 --- /dev/null +++ b/pthreads/ptw32_new.c @@ -0,0 +1,91 @@ +/* + * 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->sched_priority = THREAD_PRIORITY_NORMAL; + tp->detachState = PTHREAD_CREATE_JOINABLE; + tp->cancelState = PTHREAD_CANCEL_ENABLE; + tp->cancelType = PTHREAD_CANCEL_DEFERRED; + tp->cancelLock = PTHREAD_MUTEX_INITIALIZER; + tp->threadLock = PTHREAD_MUTEX_INITIALIZER; + 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; + +} |