added support and tests for mq_setattr

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mqueue.rs b/src/mqueue.rs
index d225465b..460c7e89 100644
--- a/src/mqueue.rs
+++ b/src/mqueue.rs
@@ -49,6 +49,8 @@ mod ffi {
         pub fn mq_send (mqd: MQd, msg_ptr: *const c_char, msg_len: size_t, msq_prio: c_uint) -> c_int;
 
         pub fn mq_getattr(mqd: MQd, attr: *mut MqAttr) -> c_int;
+
+        pub fn mq_setattr(mqd: MQd, newattr: *const MqAttr, oldattr: *mut MqAttr) -> c_int;
     }
 }
 
@@ -121,3 +123,13 @@ pub fn mq_getattr(mqd: MQd) -> Result<MqAttr> {
     }
     Ok(attr)
 }
+
+
+pub fn mq_setattr(mqd: MQd, newattr: &MqAttr) -> Result<MqAttr> {
+    let mut attr = MqAttr::new(0, 0, 0, 0);
+    let res = unsafe { ffi::mq_setattr(mqd, newattr as *const MqAttr, &mut attr) };
+    if res < 0 {
+        return Err(Error::Sys(Errno::last()));
+    }
+    Ok(attr)
+}