diff options
Diffstat (limited to 'nptl/pthread_mutex_consistent.c')
| -rw-r--r-- | nptl/pthread_mutex_consistent.c | 36 | 
1 files changed, 36 insertions, 0 deletions
| diff --git a/nptl/pthread_mutex_consistent.c b/nptl/pthread_mutex_consistent.c new file mode 100644 index 0000000000..d4f287b755 --- /dev/null +++ b/nptl/pthread_mutex_consistent.c @@ -0,0 +1,36 @@ +/* Copyright (C) 2005, 2006 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2005. + +   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> + + +int +pthread_mutex_consistent_np (mutex) +     pthread_mutex_t *mutex; +{ +  /* Test whether this is a robust mutex with a dead owner.  */ +  if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0 +      || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT) +    return EINVAL; + +  mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid); + +  return 0; +} | 
