[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/librt/mq_unlink.c b/ap/build/uClibc/librt/mq_unlink.c
new file mode 100644
index 0000000..3c490e0
--- /dev/null
+++ b/ap/build/uClibc/librt/mq_unlink.c
@@ -0,0 +1,39 @@
+/*
+ * mq_unlink.c - remove a message queue.
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+
+#include <mqueue.h>
+
+#ifdef __NR_mq_unlink
+
+#define __NR___syscall_mq_unlink __NR_mq_unlink
+static __inline__ _syscall1(int, __syscall_mq_unlink, const char *, name);
+
+/* Remove message queue */
+int mq_unlink(const char *name)
+{
+	int ret;
+
+	if (name[0] != '/') {
+		__set_errno(EINVAL);
+		return -1;
+	}
+
+	ret = __syscall_mq_unlink(name + 1);
+
+	/* While unlink can return either EPERM or EACCES, mq_unlink should return just EACCES.  */
+	if (ret < 0) {
+		ret = errno;
+		if (ret == EPERM)
+			ret = EACCES;
+		__set_errno(ret);
+		ret = -1;
+	}
+
+	return ret;
+}
+
+#endif