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authorUlrich Drepper <drepper@redhat.com>2007-08-11 18:50:51 +0000
committerUlrich Drepper <drepper@redhat.com>2007-08-11 18:50:51 +0000
commit5bd8a24966df565ea992489eae95606bc522fe61 (patch)
tree4293de9ec1fd34c448f41d24a33e5ce1eed60812 /nptl/pthread_mutex_setprioceiling.c
parent4503061fdc688c94caaf9ad4d011b0ccf574b500 (diff)
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* pthreadP.h (PTHREAD_ROBUST_MUTEX_PSHARED): Define.
	* pthread_mutex_lock.c: Use it instead of PTHREAD_MUTEX_PSHARED when
	dealing with robust mutexes.
	* pthread_mutex_timedlock.c: Likewise.
	* pthread_mutex_trylock.c: Likewise.
	* pthread_mutex_unlock.c: Likewise.
	* sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c: Likewise.

2007-08-06  Jakub Jelinek  <jakub@redhat.com>

	* pthreadP.h (PTHREAD_MUTEX_PSHARED_BIT): Define.
	(PTHREAD_MUTEX_TYPE): Mask __kind with 127.
	(PTHREAD_MUTEX_PSHARED): Define.
	* pthread_mutex_init.c (__pthread_mutex_init): Set
	PTHREAD_MUTEX_PSHARED_BIT for pshared or robust
	mutexes.
	* pthread_mutex_lock.c (LLL_MUTEX_LOCK): Take mutex as argument
	instead of its __data.__lock field, pass PTHREAD_MUTEX_PSHARED
	as second argument to lll_lock.
	(LLL_MUTEX_TRYLOCK): Take mutex as argument
	instead of its __data.__lock field.
	(LLL_ROBUST_MUTEX_LOCK): Take mutex as argument instead of its
	__data.__lock field, pass PTHREAD_MUTEX_PSHARED as second argument
	to lll_robust_lock.
	(__pthread_mutex_lock): Update LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK,
	LLL_ROBUST_MUTEX_LOCK users, use PTHREAD_MUTEX_TYPE (mutex)
	instead of mutex->__data.__kind directly, pass
	PTHREAD_MUTEX_PSHARED (mutex) to lll_unlock and lll_futex_wait.
	* pthread_mutex_trylock.c (__pthread_mutex_trylock): Use
	PTHREAD_MUTEX_TYPE (mutex) instead of mutex->__data.__kind
	directly, pass PTHREAD_MUTEX_PSHARED (mutex) to lll_unlock.
	(pthread_mutex_timedlock): Pass PTHREAD_MUTEX_PSHARED (mutex)
	to lll_timedlock, lll_robust_timedlock, lll_unlock and
	lll_futex_timed_wait.  Use PTHREAD_MUTEX_TYPE (mutex) instead
	of mutex->__data.__kind directly.
	* pthread_mutex_timedlock.c (pthread_mutex_timedlock): Pass
	PTHREAD_MUTEX_PSHARED (mutex) to lll_timedlock,
	lll_robust_timedlock, lll_unlock and lll_futex_timed_wait.  Use
	PTHREAD_MUTEX_TYPE (mutex) instead of mutex->__data.__kind directly.
	* pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Pass
	PTHREAD_MUTEX_PSHARED (mutex) to lll_unlock, lll_robust_unlock
	and lll_futex_wake.
	* pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling): Pass
	PTHREAD_MUTEX_PSHARED (mutex) to lll_futex_wait and lll_futex_wake.
	Use PTHREAD_MUTEX_TYPE (mutex) instead of mutex->__data.__kind
	directly.
	* sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c (LLL_MUTEX_LOCK):
	Take mutex as argument instead of its __data.__lock field, pass
	PTHREAD_MUTEX_PSHARED as second argument to lll_cond_lock.
	(LLL_MUTEX_TRYLOCK): Take mutex as argument instead of its
	__data.__lock field.
	(LLL_ROBUST_MUTEX_LOCK): Take mutex as argument instead of its
	__data.__lock field, pass PTHREAD_MUTEX_PSHARED as second argument
	to lll_robust_cond_lock.
	* pthread_cond_broadcast.c (__pthread_cond_broadcast): Add pshared
	variable, pass it to lll_lock, lll_unlock, lll_futex_requeue and
	lll_futex_wake.  Don't use lll_futex_requeue if dependent mutex
	has PTHREAD_MUTEX_PSHARED_BIT bit set in its __data.__kind.
	* pthread_cond_destroy.c (__pthread_cond_destroy): Add pshared
	variable, pass it to lll_lock, lll_unlock, lll_futex_wake and
	lll_futex_wait.
	* pthread_cond_signal.c (__pthread_cond_signal): Add pshared
	variable, pass it to lll_lock, lll_unlock, lll_futex_wake_unlock and
	lll_futex_wake.
	* pthread_cond_timedwait.c (__pthread_cond_wait): Add
	pshared variable, pass it to lll_lock, lll_unlock,
	lll_futex_timedwait and lll_futex_wake.
	* pthread_cond_wait.c (__condvar_cleanup, __pthread_cond_wait): Add
	pshared variable, pass it to lll_lock, lll_unlock, lll_futex_wait
	and lll_futex_wake.
	* sysdeps/unix/sysv/linux/alpha/lowlevellock.h (lll_futex_requeue,
	lll_futex_wake_unlock): Add private argument, use __lll_private_flag
	macro.
	* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (lll_futex_requeue,
	lll_futex_wake_unlock): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (lll_futex_requeue):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/lowlevellock.h (lll_futex_requeue,
	lll_futex_wake_unlock): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (lll_futex_requeue):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/lowlevellock.h (lll_futex_requeue,
	lll_futex_wake_unlock): Likewise.
	(lll_futex_wake): Fix a typo.
	* sysdeps/unix/sysv/linux/pthread-pi-defines.sym (PS_BIT): Add.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
	(__pthread_cond_broadcast): Pass LLL_PRIVATE to lll_* and or
	FUTEX_PRIVATE_FLAG into SYS_futex op if cv is process private.
	Don't use FUTEX_CMP_REQUEUE if dep_mutex is not process private.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
	(__pthread_cond_signal): Pass LLL_PRIVATE to lll_* and or
	FUTEX_PRIVATE_FLAG into SYS_futex op if cv is process private.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
	(__pthread_cond_timedwait): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:
	(__condvar_cleanup, __pthread_cond_wait): Likewise.
Diffstat (limited to 'nptl/pthread_mutex_setprioceiling.c')
-rw-r--r--nptl/pthread_mutex_setprioceiling.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/nptl/pthread_mutex_setprioceiling.c b/nptl/pthread_mutex_setprioceiling.c
index 301fb63d21..836c9a3e93 100644
--- a/nptl/pthread_mutex_setprioceiling.c
+++ b/nptl/pthread_mutex_setprioceiling.c
@@ -47,12 +47,13 @@ pthread_mutex_setprioceiling (mutex, prioceiling, old_ceiling)
 
   /* Check whether we already hold the mutex.  */
   bool locked = false;
+  int kind = PTHREAD_MUTEX_TYPE (mutex);
   if (mutex->__data.__owner == THREAD_GETMEM (THREAD_SELF, tid))
     {
-      if (mutex->__data.__kind == PTHREAD_MUTEX_PP_ERRORCHECK_NP)
+      if (kind == PTHREAD_MUTEX_PP_ERRORCHECK_NP)
 	return EDEADLK;
 
-      if (mutex->__data.__kind == PTHREAD_MUTEX_PP_RECURSIVE_NP)
+      if (kind == PTHREAD_MUTEX_PP_RECURSIVE_NP)
 	locked = true;
     }
 
@@ -81,8 +82,7 @@ pthread_mutex_setprioceiling (mutex, prioceiling, old_ceiling)
 
 	    if (oldval != ceilval)
 	      lll_futex_wait (&mutex->__data.__lock, ceilval | 2,
-			      // XYZ check mutex flag
-			      LLL_SHARED);
+			      PTHREAD_MUTEX_PSHARED (mutex));
 	  }
 	while (atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
 						    ceilval | 2, ceilval)
@@ -113,8 +113,7 @@ pthread_mutex_setprioceiling (mutex, prioceiling, old_ceiling)
   atomic_full_barrier ();
 
   lll_futex_wake (&mutex->__data.__lock, INT_MAX,
-		  // XYZ check mutex flag
-		  LLL_SHARED);
+		  PTHREAD_MUTEX_PSHARED (mutex));
 
   return 0;
 }