diff --git a/ap/build/uClibc/librt/mq_send.c b/ap/build/uClibc/librt/mq_send.c
new file mode 100644
index 0000000..78308d8
--- /dev/null
+++ b/ap/build/uClibc/librt/mq_send.c
@@ -0,0 +1,46 @@
+/*
+ * mq_send.c - functions for sending to message queue.
+ */
+
+#include <sys/syscall.h>
+
+#ifdef __NR_mq_timedsend
+
+#include <stddef.h>
+#include <mqueue.h>
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+librt_hidden_proto(mq_timedsend)
+#else
+
+# define __NR___syscall_mq_timedsend __NR_mq_timedsend
+static _syscall5(int, __syscall_mq_timedsend, int, mqdes,
+		 const char *, msg_ptr, size_t, msg_len, unsigned int,
+		 msg_prio, const void *, abs_timeout);
+
+# ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
+/*
+ * Add a message to queue. If O_NONBLOCK is set and queue is full, wait
+ * for sufficient room in the queue until abs_timeout expires.
+ */
+int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+		 unsigned int msg_prio, const struct timespec *abs_timeout)
+{
+	return __syscall_mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio,
+				      abs_timeout);
+}
+# endif
+#endif
+
+/* Add a message to queue */
+int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+	    unsigned int msg_prio)
+{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+	return mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+#else
+	return __syscall_mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+#endif
+}
+
+#endif