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Fix bookkeeping in mutex when using requeue_pi.

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This commit is contained in:
Ulrich Drepper
2009-07-28 09:40:39 -07:00
parent e73e694e38
commit b0948ffdcb
9 changed files with 83 additions and 24 deletions
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21
nptl/pthread_mutex_lock.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc.
/* Copyright (C) 2002-2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -473,3 +473,22 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
strong_alias (__pthread_mutex_lock, pthread_mutex_lock)
strong_alias (__pthread_mutex_lock, __pthread_mutex_lock_internal)
#endif
#ifdef NO_INCR
void
__pthread_mutex_cond_lock_adjust (mutex)
pthread_mutex_t *mutex;
{
assert ((mutex->__data.__kind & PTHREAD_MUTEX_PRIO_INHERIT_NP) != 0);
assert ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0);
assert ((mutex->__data.__kind & PTHREAD_MUTEX_PSHARED_BIT) == 0);
/* Record the ownership. */
pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
mutex->__data.__owner = id;
if (mutex->__data.__kind == PTHREAD_MUTEX_PI_RECURSIVE_NP)
++mutex->__data.__count;
}
#endif