Add mq_timedsend() and mq_timedreceive() for Linux

Author: tormol

src/unix/linux_like/linux/mod.rs

@@ -2294,10 +2294,20 @@ extern {
                       msg_ptr: *mut ::c_char,
                       msg_len: ::size_t,
                       msq_prio: *mut ::c_uint) -> ::ssize_t;
+    pub fn mq_timedreceive(mqd: ::mqd_t,
+                           msg_ptr: *mut ::c_char,
+                           msg_len: ::size_t,
+                           msq_prio: *mut ::c_uint,
+                           abs_timeout: *const ::timespec) -> ::ssize_t;
     pub fn mq_send(mqd: ::mqd_t,
                    msg_ptr: *const ::c_char,
                    msg_len: ::size_t,
                    msq_prio: ::c_uint) -> ::c_int;
+    pub fn mq_timedsend(mqd: ::mqd_t,
+                        msg_ptr: *const ::c_char,
+                        msg_len: ::size_t,
+                        msq_prio: ::c_uint,
+                        abs_timeout: *const ::timespec) -> ::c_int;
     pub fn mq_getattr(mqd: ::mqd_t, attr: *mut ::mq_attr) -> ::c_int;
     pub fn mq_setattr(mqd: ::mqd_t,
                       newattr: *const ::mq_attr,