27 lines
570 B
Rust
27 lines
570 B
Rust
// Jump back and forth between the OS main thread and a new scheduler.
|
|
// The OS main scheduler should continue to be available and not terminate
|
|
// while it is not in use.
|
|
|
|
fn main() {
|
|
run(100);
|
|
}
|
|
|
|
fn run(i: int) {
|
|
|
|
log(debug, i);
|
|
|
|
if i == 0 {
|
|
return;
|
|
}
|
|
|
|
do task::task().sched_mode(task::PlatformThread).unlinked().spawn {
|
|
task::yield();
|
|
do task::task().sched_mode(task::SingleThreaded).unlinked().spawn {
|
|
task::yield();
|
|
run(i - 1);
|
|
task::yield();
|
|
}
|
|
task::yield();
|
|
}
|
|
}
|