From b9e49ad56e5776ace7c6eab2e997d5b7acb16792 Mon Sep 17 00:00:00 2001
From: Wink Saville <wink@google.com>
Date: Wed, 22 Sep 2010 14:51:53 -0700
Subject: [PATCH] Use a recursive lock for pthread_once. DO NOT MERGE.

Backport change I9fc8b790 from Master to Gingerbread

Change-Id: I5cf48fcd4efb7991ed82f87d9365c19655dc9b7f
---
 libc/bionic/pthread.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libc/bionic/pthread.c b/libc/bionic/pthread.c
index e21a1f9a7..b28cd9f65 100644
--- a/libc/bionic/pthread.c
+++ b/libc/bionic/pthread.c
@@ -1866,15 +1866,15 @@ int pthread_getcpuclockid(pthread_t  tid, clockid_t  *clockid)
  */
 int  pthread_once( pthread_once_t*  once_control,  void (*init_routine)(void) )
 {
-    static pthread_mutex_t   once_lock = PTHREAD_MUTEX_INITIALIZER;
+    static pthread_mutex_t   once_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
 
     if (*once_control == PTHREAD_ONCE_INIT) {
-        _normal_lock( &once_lock );
+        pthread_mutex_lock( &once_lock );
         if (*once_control == PTHREAD_ONCE_INIT) {
             (*init_routine)();
             *once_control = ~PTHREAD_ONCE_INIT;
         }
-        _normal_unlock( &once_lock );
+        pthread_mutex_unlock( &once_lock );
     }
     return 0;
 }