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* sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_runtime_resolve):

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Don't clobber caller's LRSAVE.
	(_dl_prof_resolve): Likewise.
This commit is contained in:
Ulrich Drepper
2006-08-14 23:11:18 +00:00
parent 107b8a922a
commit f17efcb43e
25 changed files with 1249 additions and 43 deletions
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43
nptl/pthread_mutex_unlock.c
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@ -202,6 +202,49 @@ __pthread_mutex_unlock_usercnt (mutex, decr)
THREAD_SETMEM (THREAD_SELF, robust_head.list_op_pending, NULL);
break;
case PTHREAD_MUTEX_PP_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;
goto pp;
case PTHREAD_MUTEX_PP_ERRORCHECK_NP:
/* Error checking mutex. */
if (mutex->__data.__owner != THREAD_GETMEM (THREAD_SELF, tid)
|| (mutex->__data.__lock & ~ PTHREAD_MUTEX_PRIO_CEILING_MASK) == 0)
return EPERM;
/* FALLTHROUGH */
case PTHREAD_MUTEX_PP_NORMAL_NP:
case PTHREAD_MUTEX_PP_ADAPTIVE_NP:
/* Always reset the owner field. */
pp:
mutex->__data.__owner = 0;
if (decr)
/* One less user. */
--mutex->__data.__nusers;
/* Unlock. */
int newval, oldval;
do
{
oldval = mutex->__data.__lock;
newval = oldval & PTHREAD_MUTEX_PRIO_CEILING_MASK;
}
while (atomic_compare_and_exchange_bool_acq (&mutex->__data.__lock,
newval, oldval));
if ((oldval & ~PTHREAD_MUTEX_PRIO_CEILING_MASK) > 1)
lll_futex_wake (&mutex->__data.__lock, 1);
int oldprio = newval >> PTHREAD_MUTEX_PRIO_CEILING_SHIFT;
return __pthread_tpp_change_priority (oldprio, -1);
default:
/* Correct code cannot set any other type. */
return EINVAL;