diff options
Diffstat (limited to 'libpthread/sysdeps/generic/pt-mutex-transfer-np.c')
-rw-r--r-- | libpthread/sysdeps/generic/pt-mutex-transfer-np.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/libpthread/sysdeps/generic/pt-mutex-transfer-np.c b/libpthread/sysdeps/generic/pt-mutex-transfer-np.c deleted file mode 100644 index 967f1c7c..00000000 --- a/libpthread/sysdeps/generic/pt-mutex-transfer-np.c +++ /dev/null @@ -1,66 +0,0 @@ -/* Transfer ownership of a mutex. Generic version. - Copyright (C) 2008 Free Software Foundation, Inc. - Written by Neal H. Walfield <neal@gnu.org>. - - This file is part of the GNU Hurd. - - The GNU Hurd 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 3 of - the License, or (at your option) any later version. - - The GNU Hurd 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 program. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <pthread.h> -#include <assert.h> - -#include <pt-internal.h> - -int -__pthread_mutex_transfer_np (struct __pthread_mutex *mutex, pthread_t tid) -{ - assert (mutex->owner == _pthread_self ()); - - struct __pthread *thread = __pthread_getid (tid); - const struct __pthread_mutexattr *attr = mutex->attr; - - if (! thread) - return ESRCH; - - if (thread == _pthread_self ()) - return 0; - - if (attr == __PTHREAD_ERRORCHECK_MUTEXATTR) - attr = &__pthread_errorcheck_mutexattr; - if (attr == __PTHREAD_RECURSIVE_MUTEXATTR) - attr = &__pthread_recursive_mutexattr; - - if (attr && attr->mutex_type == PTHREAD_MUTEX_ERRORCHECK) - { - - if (mutex->owner != _pthread_self ()) - return EPERM; - - mutex->owner = thread; - } - -#ifndef NDEBUG -# if !defined(ALWAYS_TRACK_MUTEX_OWNER) - if (attr && attr->mutex_type != PTHREAD_MUTEX_NORMAL) -# endif - { - mutex->owner = thread; - } -#endif - - return 0; -} - -strong_alias (__pthread_mutex_transfer_np, pthread_mutex_transfer_np) |