2006-07-28 Ulrich Drepper <drepper@redhat.com>

	    Jakub Jelinek  <jakub@redhat.com>

	* descr.h: Change ENQUEUE_MUTEX and DEQUEUE_MUTEX for bit 0
	notification of PI mutex.  Add ENQUEUE_MUTEX_PI.
	* pthreadP.h: Define PTHREAD_MUTEX_PI_* macros for PI mutex types.
	* pthread_mutex_setprioceilining.c: Adjust for mutex type name change.
	* pthread_mutex_init.c: Add support for priority inheritance mutex.
	* pthread_mutex_lock.c: Likewise.
	* pthread_mutex_timedlock.c: Likewise.
	* pthread_mutex_trylock.c: Likewise.
	* pthread_mutex_unlock.c: Likewise.
	* sysdeps/pthread/pthread_cond_broadcast.c: For PI mutexes wake
	all mutexes.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.c: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.c: Likewise.
	* sysdeps/unix/sysv/linux/pthread-pi-defines.sym: New file.
	* sysdeps/unix/sysv/linux/Makefile (gen-as-const-header): Add
	pthread-pi-defines.sym.
	* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Define FUTEX_LOCK_PI,
	FUTEX_UNLOCK_PI, and FUTEX_TRYLOCK_PI.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
	_POSIX_THREAD_PRIO_INHERIT to 200112L.
	* tst-mutex1.c: Adjust to allow use in PI mutex test.
	* tst-mutex2.c: Likewise.
	* tst-mutex3.c: Likewise.
	* tst-mutex4.c: Likewise.
	* tst-mutex5.c: Likewise.
	* tst-mutex6.c: Likewise.
	* tst-mutex7.c: Likewise.
	* tst-mutex7a.c: Likewise.
	* tst-mutex8.c: Likewise.
	* tst-mutex9.c: Likewise.
	* tst-robust1.c: Likewise.
	* tst-robust7.c: Likewise.
	* tst-robust8.c: Likewise.
	* tst-mutexpi1.c: New file.
	* tst-mutexpi2.c: New file.
	* tst-mutexpi3.c: New file.
	* tst-mutexpi4.c: New file.
	* tst-mutexpi5.c: New file.
	* tst-mutexpi6.c: New file.
	* tst-mutexpi7.c: New file.
	* tst-mutexpi7a.c: New file.
	* tst-mutexpi8.c: New file.
	* tst-mutexpi9.c: New file.
	* tst-robust1.c: New file.
	* tst-robust2.c: New file.
	* tst-robust3.c: New file.
	* tst-robust4.c: New file.
	* tst-robust5.c: New file.
	* tst-robust6.c: New file.
	* tst-robust7.c: New file.
	* tst-robust8.c: New file.
	* Makefile (tests): Add the new tests.

	* pthread_create.c (start_thread): Add some casts to avoid warnings.
	* pthread_mutex_destroy.c: Remove unneeded label.

1 files changed, 5 insertions, 3 deletions

diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 71365a17e8..c1ac199bb9 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -330,9 +330,11 @@ start_thread (void *arg)
 # else
   __pthread_slist_t *robust = pd->robust_list.__next;
 # endif
-/* We let the kernel do the notification if it is able to do so.  */
+  /* We let the kernel do the notification if it is able to do so.
+     If we have to do it here there for sure are no PI mutexes involved
+     since the kernel support for them is even more recent.  */
   if (__set_robust_list_avail < 0
-      && __builtin_expect (robust != &pd->robust_head, 0))
+      && __builtin_expect (robust != (void *) &pd->robust_head, 0))
     {
       do
 	{
@@ -348,7 +350,7 @@ start_thread (void *arg)
 
 	  lll_robust_mutex_dead (this->__lock);
 	}
-      while (robust != &pd->robust_head);
+      while (robust != (void *) &pd->robust_head);
     }
 #endif