From e9148ab6c71daedd18cc240e254065be5688a0a5 Mon Sep 17 00:00:00 2001
From: "bernard.xiong" <bernard.xiong@gmail.com>
Date: Mon, 21 Mar 2011 07:39:24 +0000
Subject: [PATCH] fix joinable semaphore of pthread not clear to NULL when
 detach.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1337 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 components/pthreads/pthread.c | 3 ++-
 components/pthreads/pthread.h | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/components/pthreads/pthread.c b/components/pthreads/pthread.c
index c779efed18..59a689a51e 100644
--- a/components/pthreads/pthread.c
+++ b/components/pthreads/pthread.c
@@ -180,10 +180,11 @@ int pthread_detach(pthread_t thread)
 		rt_enter_critical();
 		/* change to detach state */
 		ptd->attr.detachstate = PTHREAD_CREATE_DETACHED;
-		rt_exit_critical();
 
 		/* detach joinable semaphore */
 		rt_sem_delete(ptd->joinable_sem);
+		ptd->joinable_sem = RT_NULL;
+		rt_exit_critical();
 	}
 
 	return 0;
diff --git a/components/pthreads/pthread.h b/components/pthreads/pthread.h
index 58a1bb7423..67d8f62c9f 100644
--- a/components/pthreads/pthread.h
+++ b/components/pthreads/pthread.h
@@ -129,7 +129,7 @@ typedef struct pthread_barrier pthread_barrier_t;
 int pthread_attr_destroy(pthread_attr_t *attr);
 int pthread_attr_init(pthread_attr_t *attr);
 
-int pthread_init (void);
+int pthread_system_init(void);
 int pthread_create (pthread_t *tid, const pthread_attr_t *attr, 
 	void *(*start) (void *), void *arg);