1 files changed, 5 insertions, 101 deletions

diff --git a/nptl/pthread_rwlock_wrlock.c b/nptl/pthread_rwlock_wrlock.c
index 461ffdc06c..335fcd18cc 100644
--- a/nptl/pthread_rwlock_wrlock.c
+++ b/nptl/pthread_rwlock_wrlock.c
@@ -16,114 +16,18 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <sysdep.h>
-#include <lowlevellock.h>
-#include <futex-internal.h>
-#include <pthread.h>
-#include <pthreadP.h>
-#include <stap-probe.h>
-#include <elide.h>
-
-
-/* Acquire write lock for RWLOCK.  */
-static int __attribute__((noinline))
-__pthread_rwlock_wrlock_slow (pthread_rwlock_t *rwlock)
-{
-  int result = 0;
-  int futex_shared =
-      rwlock->__data.__shared == LLL_PRIVATE ? FUTEX_PRIVATE : FUTEX_SHARED;
-
-  /* Caller has taken the lock.  */
-
-  while (1)
-    {
-      /* Make sure we are not holding the rwlock as a writer.  This is
-	 a deadlock situation we recognize and report.  */
-      if (__builtin_expect (rwlock->__data.__writer
-			    == THREAD_GETMEM (THREAD_SELF, tid), 0))
-	{
-	  result = EDEADLK;
-	  break;
-	}
-
-      /* Remember that we are a writer.  */
-      if (++rwlock->__data.__nr_writers_queued == 0)
-	{
-	  /* Overflow on number of queued writers.  */
-	  --rwlock->__data.__nr_writers_queued;
-	  result = EAGAIN;
-	  break;
-	}
-
-      int waitval = rwlock->__data.__writer_wakeup;
-
-      /* Free the lock.  */
-      lll_unlock (rwlock->__data.__lock, rwlock->__data.__shared);
-
-      /* Wait for the writer or reader(s) to finish.  We do not check the
-	 return value because we decide how to continue based on the state of
-	 the rwlock.  */
-      futex_wait_simple (&rwlock->__data.__writer_wakeup, waitval,
-			 futex_shared);
-
-      /* Get the lock.  */
-      lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
-
-      /* To start over again, remove the thread from the writer list.  */
-      --rwlock->__data.__nr_writers_queued;
-
-      /* Get the rwlock if there is no writer and no reader.  */
-      if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
-	{
-	  /* Mark self as writer.  */
-	  rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
-
-	  LIBC_PROBE (wrlock_acquire_write, 1, rwlock);
-	  break;
-	}
-    }
-
-  /* We are done, free the lock.  */
-  lll_unlock (rwlock->__data.__lock, rwlock->__data.__shared);
-
-  return result;
-}
-
-/* Fast path of acquiring write lock for RWLOCK.  */
+#include "pthread_rwlock_common.c"
 
+/* See pthread_rwlock_common.c.  */
 int
 __pthread_rwlock_wrlock (pthread_rwlock_t *rwlock)
 {
   LIBC_PROBE (wrlock_entry, 1, rwlock);
 
-  if (ELIDE_LOCK (rwlock->__data.__rwelision,
-		  rwlock->__data.__lock == 0
-		  && rwlock->__data.__writer == 0
-		  && rwlock->__data.__nr_readers == 0))
-    return 0;
-
-  /* Make sure we are alone.  */
-  lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
-
-  /* Get the rwlock if there is no writer and no reader.  */
-  if (__glibc_likely((rwlock->__data.__writer |
-	rwlock->__data.__nr_readers) == 0))
-    {
-      /* Mark self as writer.  */
-      rwlock->__data.__writer = THREAD_GETMEM (THREAD_SELF, tid);
-
-      LIBC_PROBE (wrlock_acquire_write, 1, rwlock);
-
-      /* We are done, free the lock.  */
-      lll_unlock (rwlock->__data.__lock, rwlock->__data.__shared);
-
-      return 0;
-    }
-
-  return __pthread_rwlock_wrlock_slow (rwlock);
+  int result = __pthread_rwlock_wrlock_full (rwlock, NULL);
+  LIBC_PROBE (wrlock_acquire_write, 1, rwlock);
+  return result;
 }
 
-
 weak_alias (__pthread_rwlock_wrlock, pthread_rwlock_wrlock)
 hidden_def (__pthread_rwlock_wrlock)