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Diffstat (limited to 'nptl/sysdeps/pthread/pthread_cond_wait.c')
-rw-r--r--nptl/sysdeps/pthread/pthread_cond_wait.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/nptl/sysdeps/pthread/pthread_cond_wait.c b/nptl/sysdeps/pthread/pthread_cond_wait.c
index 75edf3d158..79c6d9951c 100644
--- a/nptl/sysdeps/pthread/pthread_cond_wait.c
+++ b/nptl/sysdeps/pthread/pthread_cond_wait.c
@@ -93,8 +93,10 @@ __pthread_cond_wait (cond, mutex)
   ++cond->__data.__total_seq;
 
   /* Remember the mutex we are using here.  If there is already a
-     different address store this is a bad user bug.  */
-  cond->__data.__mutex = mutex;
+     different address store this is a bad user bug.  Do not store
+     anything for pshared condvars.  */
+  if (cond->__data.__mutex != (void *) ~0l)
+    cond->__data.__mutex = mutex;
 
   /* Prepare structure passed to cancellation handler.  */
   cbuffer.cond = cond;