Implemented an lock free queue based on this paper http://www.cs.rochester.edu/~scott/papers/1996_PODC_queues.pdf, the "lock free queue" we had before wasn't lock free at all.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/test/run-pass/task-comm-12.rs b/src/test/run-pass/task-comm-12.rs
new file mode 100644
index 00000000..ab7c25e8
--- /dev/null
+++ b/src/test/run-pass/task-comm-12.rs
@@ -0,0 +1,23 @@
+use std;
+import std._task;
+
+fn main() -> () {
+    test00();
+}
+
+fn start(int task_number) {
+    log "Started / Finished Task.";
+}
+    
+fn test00() {    
+    let int i = 0;
+    let task t = spawn thread start(i);
+    
+    // Sleep long enough for the task to finish.
+    _task.sleep(10000u);
+    
+    // Try joining tasks that have already finished.
+    join t;
+    
+    log "Joined Task.";
+}
\ No newline at end of file