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authorEric Andersen <andersen@codepoet.org>2005-05-20 19:02:51 +0000
committerEric Andersen <andersen@codepoet.org>2005-05-20 19:02:51 +0000
commit124af9f4b2b77b1510d88cfc8092c788d7e513c7 (patch)
treeccce720bef4c1c604417e2082cf9997a8d6dd7ab /libpthread/nptl/pthread_mutex_unlock.c
parent8028f35dbe29c5ace3883005e08ac91d873553b2 (diff)
Back out nptl changes, which for now will be done in branches/uClibc-nptl
Diffstat (limited to 'libpthread/nptl/pthread_mutex_unlock.c')
-rw-r--r--libpthread/nptl/pthread_mutex_unlock.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/libpthread/nptl/pthread_mutex_unlock.c b/libpthread/nptl/pthread_mutex_unlock.c
deleted file mode 100644
index 32bc2a4bc..000000000
--- a/libpthread/nptl/pthread_mutex_unlock.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- The GNU C 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 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include "pthreadP.h"
-#include <lowlevellock.h>
-
-
-int
-internal_function attribute_hidden
-__pthread_mutex_unlock_usercnt (mutex, decr)
- pthread_mutex_t *mutex;
- int decr;
-{
- switch (__builtin_expect (mutex->__data.__kind, PTHREAD_MUTEX_TIMED_NP))
- {
- case PTHREAD_MUTEX_RECURSIVE_NP:
- /* Recursive mutex. */
- if (mutex->__data.__owner != THREAD_GETMEM (THREAD_SELF, tid))
- return EPERM;
-
- if (--mutex->__data.__count != 0)
- /* We still hold the mutex. */
- return 0;
- break;
-
- case PTHREAD_MUTEX_ERRORCHECK_NP:
- /* Error checking mutex. */
- if (mutex->__data.__owner != THREAD_GETMEM (THREAD_SELF, tid)
- || ! lll_mutex_islocked (mutex->__data.__lock))
- return EPERM;
- break;
-
- default:
- /* Correct code cannot set any other type. */
- case PTHREAD_MUTEX_TIMED_NP:
- case PTHREAD_MUTEX_ADAPTIVE_NP:
- /* Normal mutex. Nothing special to do. */
- break;
- }
-
- /* Always reset the owner field. */
- mutex->__data.__owner = 0;
- if (decr)
- /* One less user. */
- --mutex->__data.__nusers;
-
- /* Unlock. */
- lll_mutex_unlock (mutex->__data.__lock);
-
- return 0;
-}
-
-
-int
-__pthread_mutex_unlock (mutex)
- pthread_mutex_t *mutex;
-{
- return __pthread_mutex_unlock_usercnt (mutex, 1);
-}
-strong_alias (__pthread_mutex_unlock, pthread_mutex_unlock)
-strong_alias (__pthread_mutex_unlock, __pthread_mutex_unlock_internal)