1 files changed, 35 insertions, 0 deletions
diff --git a/third_party/rust/mach/src/traps.rs b/third_party/rust/mach/src/traps.rs
new file mode 100644
index 0000000000..bc8694fcbf
--- /dev/null
+++ b/third_party/rust/mach/src/traps.rs
@@ -0,0 +1,35 @@
+//! This module corresponds to `mach/mach_traps.h`.
+use kern_return::kern_return_t;
+use port::{mach_port_name_t, mach_port_t};
+
+extern "C" {
+    static mach_task_self_: mach_port_t;
+    pub fn task_for_pid(
+        target_tport: mach_port_name_t,
+        pid: ::libc::c_int,
+        tn: *mut mach_port_name_t,
+    ) -> kern_return_t;
+}
+
+pub unsafe fn mach_task_self() -> mach_port_t {
+    mach_task_self_
+}
+
+pub unsafe fn current_task() -> mach_port_t {
+    mach_task_self()
+}
+
+#[cfg(test)]
+mod tests {
+    use port::*;
+    use traps::*;
+
+    #[test]
+    fn mach_task_self_sanity() {
+        unsafe {
+            let this_task = mach_task_self();
+            assert!(this_task != MACH_PORT_NULL);
+            assert!(this_task != MACH_PORT_DEAD);
+        }
+    }
+}