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authorUlrich Drepper <drepper@redhat.com>2000-07-04 08:22:44 +0000
committerUlrich Drepper <drepper@redhat.com>2000-07-04 08:22:44 +0000
commit83b1b6d8faca6d279867c1c76f75e89786b76f4f (patch)
treed76728853dc9f8d2852e035c865e5e9732d65c81 /linuxthreads/spinlock.c
parent0d6af3a86d34a5b32c46353fdc863216c1a44baf (diff)
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Update.
2000-07-04  Ulrich Drepper  <drepper@redhat.com>

	* spinlock.c (__pthread_unlock): Properly place write barrier.
	Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
Diffstat (limited to 'linuxthreads/spinlock.c')
-rw-r--r--linuxthreads/spinlock.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c
index 02ab9a9613..a63c6535c9 100644
--- a/linuxthreads/spinlock.c
+++ b/linuxthreads/spinlock.c
@@ -34,7 +34,7 @@
 
    (status & 1) == 1: spinlock is taken and (status & ~1L) is a
                       pointer to the first waiting thread; other
-		      waiting threads are linked via the p_nextlock 
+		      waiting threads are linked via the p_nextlock
 		      field.
    (status & 1) == 0: same as above, but spinlock is not taken.
 
@@ -149,8 +149,8 @@ int __pthread_unlock(struct _pthread_fastlock * lock)
 #endif
 #if !defined HAS_COMPARE_AND_SWAP
   {
-    lock->__spinlock = 0;
     WRITE_MEMORY_BARRIER();
+    lock->__spinlock = 0;
     return 0;
   }
 #endif
@@ -160,7 +160,7 @@ again:
   oldstatus = lock->__status;
 
   while ((oldstatus = lock->__status) == 1) {
-    if (__compare_and_swap_with_release_semantics(&lock->__status, 
+    if (__compare_and_swap_with_release_semantics(&lock->__status,
 	oldstatus, 0))
       return 0;
   }