Added support for task sleeping in the scheduler.

2 files changed, 14 insertions, 0 deletions

diff --git a/src/lib/_task.rs b/src/lib/_task.rs
new file mode 100644
index 00000000..a12c2f27
--- /dev/null
+++ b/src/lib/_task.rs
@@ -0,0 +1,12 @@
+native "rust" mod rustrt {
+  fn task_sleep(uint time_in_us);
+}
+
+/**
+ * Hints the scheduler to yield this task for a specified ammount of time.
+ *
+ * arg: time_in_us maximum number of microseconds to yield control for
+ */
+fn sleep(uint time_in_us) {
+  ret rustrt.task_sleep(time_in_us);
+}
\ No newline at end of file
diff --git a/src/lib/std.rc b/src/lib/std.rc
index 8c956691..c2a2cf0c 100644
--- a/src/lib/std.rc
+++ b/src/lib/std.rc
@@ -15,6 +15,7 @@ mod _str;
 
 mod _io;
 mod sys;
+mod _task;
 
 // Utility modules.
 
@@ -25,6 +26,7 @@ mod util;
 auth _io = unsafe;
 auth _str = unsafe;
 auth _vec = unsafe;
+auth _task = unsafe;
 
 auth _int.next_power_of_two = unsafe;
 auth map.mk_hashmap = unsafe;