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Diffstat (limited to 'pthreads/src/pthread_setcanceltype.c')
| -rw-r--r-- | pthreads/src/pthread_setcanceltype.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/pthreads/src/pthread_setcanceltype.c b/pthreads/src/pthread_setcanceltype.c deleted file mode 100644 index 72b0af5..0000000 --- a/pthreads/src/pthread_setcanceltype.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * pthread_setcanceltype.c - * - * Description: - * POSIX thread functions related to thread cancellation. - * - * -------------------------------------------------------------------------- - * - * 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" - - -int -pthread_setcanceltype (int type, int *oldtype) - /* - * ------------------------------------------------------ - * DOCPUBLIC - * This function atomically sets the calling thread's - * cancelability type to 'type' and returns the previous - * cancelability type at the location referenced by - * 'oldtype' - * - * PARAMETERS - * type, - * oldtype - * PTHREAD_CANCEL_DEFERRED - * only deferred cancelation is allowed, - * - * PTHREAD_CANCEL_ASYNCHRONOUS - * Asynchronous cancellation is allowed - * - * - * DESCRIPTION - * This function atomically sets the calling thread's - * cancelability type to 'type' and returns the previous - * cancelability type at the location referenced by - * 'oldtype' - * - * NOTES: - * 1) Use with caution; most code is not safe for use - * with asynchronous cancelability. - * - * COMPATIBILITY ADDITIONS - * If 'oldtype' is NULL then the previous type is not returned - * but the function still succeeds. (Solaris) - * - * RESULTS - * 0 successfully set cancelability type, - * EINVAL 'type' is invalid - * - * ------------------------------------------------------ - */ -{ - ptw32_mcs_local_node_t stateLock; - int result = 0; - pthread_t self = pthread_self (); - ptw32_thread_t * sp = (ptw32_thread_t *) self.p; - - if (sp == NULL - || (type != PTHREAD_CANCEL_DEFERRED - && type != PTHREAD_CANCEL_ASYNCHRONOUS)) - { - return EINVAL; - } - - /* - * Lock for async-cancel safety. - */ - ptw32_mcs_lock_acquire (&sp->stateLock, &stateLock); - - if (oldtype != NULL) - { - *oldtype = sp->cancelType; - } - - sp->cancelType = type; - - /* - * Check if there is a pending asynchronous cancel - */ - if (sp->cancelState == PTHREAD_CANCEL_ENABLE - && type == PTHREAD_CANCEL_ASYNCHRONOUS - && WaitForSingleObject (sp->cancelEvent, 0) == WAIT_OBJECT_0) - { - sp->state = PThreadStateCanceling; - sp->cancelState = PTHREAD_CANCEL_DISABLE; - ResetEvent (sp->cancelEvent); - ptw32_mcs_lock_release (&stateLock); - ptw32_throw (PTW32_EPS_CANCEL); - - /* Never reached */ - } - - ptw32_mcs_lock_release (&stateLock); - - return (result); - -} /* pthread_setcanceltype */ |