POSIX mqueue bindings for the BSDs

Note that OpenBSD and OSX do not support POSIX message queues.

3 files changed, 42 insertions, 0 deletions

diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 88708573b4..58d96dc88a 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -72,6 +72,13 @@ s! {
         pub node: [u8; 6],
     }
 
+    pub struct mq_attr {
+        pub mq_flags: ::c_long,
+        pub mq_maxmsg: ::c_long,
+        pub mq_msgsize: ::c_long,
+        pub mq_curmsgs: ::c_long,
+    }
+
     pub struct sigevent {
         pub sigev_notify: ::c_int,
         // The union is 8-byte in size, so it is aligned at a 8-byte offset.
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 4a4323b079..693e7bea38 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -62,6 +62,14 @@ s! {
         pub ip6: *mut ::in6_addr,
     }
 
+    pub struct mq_attr {
+        pub mq_flags: ::c_long,
+        pub mq_maxmsg: ::c_long,
+        pub mq_msgsize: ::c_long,
+        pub mq_curmsgs: ::c_long,
+        __reserved: [::c_long; 4]
+    }
+
     pub struct sigevent {
         pub sigev_notify: ::c_int,
         pub sigev_signo: ::c_int,
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 215acee6f2..983c0cc360 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -2,6 +2,7 @@ pub type dev_t = u32;
 pub type mode_t = u16;
 pub type pthread_attr_t = *mut ::c_void;
 pub type rlim_t = i64;
+pub type mqd_t = *mut ::c_void;
 pub type pthread_mutex_t = *mut ::c_void;
 pub type pthread_mutexattr_t = *mut ::c_void;
 pub type pthread_cond_t = *mut ::c_void;
@@ -978,6 +979,32 @@ extern {
                         groups: *mut ::gid_t,
                         ngroups: *mut ::c_int) -> ::c_int;
     pub fn initgroups(name: *const ::c_char, basegid: ::gid_t) -> ::c_int;
+    pub fn mq_open(name: *const ::c_char, oflag: ::c_int, ...) -> ::mqd_t;
+    pub fn mq_close(mqd: ::mqd_t) -> ::c_int;
+    pub fn mq_getattr(mqd: ::mqd_t, attr: *mut ::mq_attr) -> ::c_int;
+    pub fn mq_notify(mqd: ::mqd_t, notification: *const ::sigevent) -> ::c_int;
+    pub fn mq_receive(mqd: ::mqd_t,
+                      msg_ptr: *mut ::c_char,
+                      msg_len: ::size_t,
+                      msq_prio: *mut ::c_uint) -> ::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_setattr(mqd: ::mqd_t,
+                      newattr: *const ::mq_attr,
+                      oldattr: *mut ::mq_attr) -> ::c_int;
+    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_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_unlink(name: *const ::c_char) -> ::c_int;
 }
 
 #[link(name = "util")]