更新 mq_setattr

e6ce21e4 · zhkag · guo · dcaa0c16 · e6ce21e4
隐藏空白更改
内联并排

Showing with 4 addition and 1 deletion

components/libc/posix/ipc/mqueue.c components/libc/posix/ipc/mqueue.c +4 -1

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--- a/components/libc/posix/ipc/mqueue.c
+++ b/components/libc/posix/ipc/mqueue.c
@@ -85,7 +85,10 @@ int mq_setattr(mqd_t                 mqdes,
               const struct mq_attr *mqstat,
               struct mq_attr       *omqstat)
 {
-    rt_set_errno(-RT_ERROR);
+    if (mqstat == RT_NULL)
+        return mq_getattr(mqdes, omqstat);
+    else
+        rt_set_errno(-RT_ERROR);

    return -1;
 }