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Diffstat (limited to 'libpthread/sysdeps/generic/pt-mutex-unlock.c')
-rw-r--r--libpthread/sysdeps/generic/pt-mutex-unlock.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/libpthread/sysdeps/generic/pt-mutex-unlock.c b/libpthread/sysdeps/generic/pt-mutex-unlock.c
deleted file mode 100644
index 09d70f8f..00000000
--- a/libpthread/sysdeps/generic/pt-mutex-unlock.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Unlock a mutex. Generic version.
- Copyright (C) 2000, 2002, 2008 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see 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 <pt-internal.h>
-
-#define LOSE do { * (int *) 0 = 0; } while (1)
-
-/* Unlock MUTEX, rescheduling a waiting thread. */
-int
-__pthread_mutex_unlock (pthread_mutex_t *mutex)
-{
- struct __pthread *wakeup;
- const struct __pthread_mutexattr *attr = mutex->attr;
-
- if (attr == __PTHREAD_ERRORCHECK_MUTEXATTR)
- attr = &__pthread_errorcheck_mutexattr;
- if (attr == __PTHREAD_RECURSIVE_MUTEXATTR)
- attr = &__pthread_recursive_mutexattr;
-
- __pthread_spin_lock (&mutex->__lock);
-
- if (! attr || attr->mutex_type == PTHREAD_MUTEX_NORMAL)
- {
-#if defined(ALWAYS_TRACK_MUTEX_OWNER)
-# ifndef NDEBUG
- if (_pthread_self ())
- {
- assert (mutex->owner);
- assert (mutex->owner == _pthread_self ());
- mutex->owner = NULL;
- }
-# endif
-#endif
- }
- else
- switch (attr->mutex_type)
- {
- case PTHREAD_MUTEX_ERRORCHECK:
- case PTHREAD_MUTEX_RECURSIVE:
- if (mutex->owner != _pthread_self ())
- {
- __pthread_spin_unlock (&mutex->__lock);
- return EPERM;
- }
-
- if (attr->mutex_type == PTHREAD_MUTEX_RECURSIVE)
- if (--mutex->locks > 0)
- {
- __pthread_spin_unlock (&mutex->__lock);
- return 0;
- }
-
- mutex->owner = 0;
- break;
-
- default:
- LOSE;
- }
-
-
- if (mutex->__queue == NULL)
- {
- __pthread_spin_unlock (&mutex->__held);
- __pthread_spin_unlock (&mutex->__lock);
- return 0;
- }
-
- wakeup = mutex->__queue;
- __pthread_dequeue (wakeup);
-
-#ifndef NDEBUG
-# if !defined (ALWAYS_TRACK_MUTEX_OWNER)
- if (attr && attr->mutex_type != PTHREAD_MUTEX_NORMAL)
-# endif
- {
- mutex->owner = wakeup;
- }
-#endif
-
- /* We do not unlock MUTEX->held: we are transferring the ownership
- to the thread that we are waking up. */
-
- __pthread_spin_unlock (&mutex->__lock);
- __pthread_wakeup (wakeup);
-
- return 0;
-}
-
-strong_alias (__pthread_mutex_unlock, _pthread_mutex_unlock);
-strong_alias (__pthread_mutex_unlock, pthread_mutex_unlock);