summaryrefslogtreecommitdiff
path: root/nptl/pthread_mutex_lock.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-09-11 08:00:43 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-11 08:00:43 +0000
commit3892d906f71a23d794eb00bd7c88bcab9cc10b4a (patch)
tree9d7092f3be6b8e617bf46e0c1f52a19cc58c239f /nptl/pthread_mutex_lock.c
parent1fe4d5652dc109d04c3ef14985d37123a7dd6d9f (diff)
Minor code rearrangements.
Diffstat (limited to 'nptl/pthread_mutex_lock.c')
-rw-r--r--nptl/pthread_mutex_lock.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c
index 9c61aa75f6..ac770c5c00 100644
--- a/nptl/pthread_mutex_lock.c
+++ b/nptl/pthread_mutex_lock.c
@@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <errno.h>
#include "pthreadP.h"
#include <lowlevellock.h>
@@ -46,19 +47,14 @@ __pthread_mutex_lock (mutex)
return EAGAIN;
++mutex->__data.__count;
- }
- else
- {
- /* We have to get the mutex. */
- LLL_MUTEX_LOCK (mutex->__data.__lock);
- /* Record the ownership. */
- mutex->__data.__owner = id;
- mutex->__data.__count = 1;
-#ifndef NO_INCR
- ++mutex->__data.__nusers;
-#endif
+ return 0;
}
+
+ /* We have to get the mutex. */
+ LLL_MUTEX_LOCK (mutex->__data.__lock);
+
+ mutex->__data.__count = 1;
break;
/* Error checking mutex. */
@@ -75,14 +71,16 @@ __pthread_mutex_lock (mutex)
case PTHREAD_MUTEX_ADAPTIVE_NP:
/* Normal mutex. */
LLL_MUTEX_LOCK (mutex->__data.__lock);
- /* Record the ownership. */
- mutex->__data.__owner = id;
-#ifndef NO_INCR
- ++mutex->__data.__nusers;
-#endif
break;
}
+ /* Record the ownership. */
+ assert (mutex->__data.__owner == 0);
+ mutex->__data.__owner = id;
+#ifndef NO_INCR
+ ++mutex->__data.__nusers;
+#endif
+
return 0;
}
#ifndef __pthread_mutex_lock