| /* |
| * 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; |
| |
| } |