3 files changed, 10 insertions, 1 deletions
diff --git a/components/pthreads/mqueue.c b/components/pthreads/mqueue.c
index c1303ae6b1..7b669dc367 100644
--- a/components/pthreads/mqueue.c
+++ b/components/pthreads/mqueue.c
@@ -119,6 +119,7 @@ mqd_t mq_open(const char *name, int oflag, ...)
 {
     mqd_t mqdes;
     va_list arg;
+    mode_t mode;
     struct mq_attr *attr = RT_NULL;
 
     /* lock posix mqueue list */
@@ -128,6 +129,8 @@ mqd_t mq_open(const char *name, int oflag, ...)
     if (oflag & O_CREAT)
     {
         va_start(arg, oflag);
+        mode = (mode_t)va_arg(arg, unsigned int);
+        mode = mode;
         attr = (struct mq_attr *)va_arg(arg, struct mq_attr *);
         va_end(arg);
 
diff --git a/components/pthreads/pthread_cond.c b/components/pthreads/pthread_cond.c
index e5342dd775..25628fc2b3 100644
--- a/components/pthreads/pthread_cond.c
+++ b/components/pthreads/pthread_cond.c
@@ -98,7 +98,11 @@ int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
 
     rt_snprintf(cond_name, sizeof(cond_name), "cond%02d", cond_num++);
 
-    cond->attr = *attr;
+	if (attr == RT_NULL) /* use default value */
+		cond->attr = PTHREAD_PROCESS_PRIVATE;
+	else 
+	    cond->attr = *attr;
+
     result = rt_sem_init(&cond->sem, cond_name, 0, RT_IPC_FLAG_FIFO);
     if (result != RT_EOK)
         return EINVAL;
diff --git a/components/pthreads/semaphore.c b/components/pthreads/semaphore.c
index 726246c95f..ae69e0d1bc 100644
--- a/components/pthreads/semaphore.c
+++ b/components/pthreads/semaphore.c
@@ -224,6 +224,7 @@ sem_t *sem_open(const char *name, int oflag, ...)
 {
     sem_t* sem;
     va_list arg;
+    mode_t mode;
     unsigned int value;
 
     sem = RT_NULL;
@@ -233,6 +234,7 @@ sem_t *sem_open(const char *name, int oflag, ...)
     if (oflag & O_CREAT)
     {
         va_start(arg, oflag);
+        mode = (mode_t) va_arg( arg, unsigned int); mode = mode;
         value = va_arg( arg, unsigned int);
         va_end(arg);