Hi folks,
While I'm waiting for something at $WORK to compile, I thought I'd
take a crack at easy issue #42, moving yield and join into the
standard library.
After removing the yield and join keywords from the front/middle ends,
is it enough to just add this to std._task:
native "rust" mod rustrt {
fn task_sleep(uint time_in_us);
+ fn upcall_join(task t);
+ fn upcall_yield();
}
+fn join(task t) {
+ ret rustrt.upcall_join(t);
+}
+
+fn yield() {
+ ret rustrt.upcall_yield();
+}
join() seems to work; I don't know how to test yield().
I see that nothing else in the stdlib calls an upcall_ function; is
this bad form? Should I add task_yield and task_join to
rust_builtin.cpp instead, the way task_sleep is handled?
Best,
Graham
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