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-rw-r--r--linuxthreads/rwlock.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/linuxthreads/rwlock.c b/linuxthreads/rwlock.c
index 2bcdf97de0..9258978e2f 100644
--- a/linuxthreads/rwlock.c
+++ b/linuxthreads/rwlock.c
@@ -596,7 +596,7 @@ int
 pthread_rwlockattr_init (pthread_rwlockattr_t *attr)
 {
   attr->__lockkind = 0;
-  attr->__pshared = 0;
+  attr->__pshared = PTHREAD_PROCESS_PRIVATE;
 
   return 0;
 }
@@ -624,6 +624,10 @@ pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr, int pshared)
   if (pshared != PTHREAD_PROCESS_PRIVATE && pshared != PTHREAD_PROCESS_SHARED)
     return EINVAL;
 
+  /* For now it is not possible to shared a conditional variable.  */
+  if (pshared != PTHREAD_PROCESS_PRIVATE)
+    return ENOSYS;
+
   attr->__pshared = pshared;
 
   return 0;