37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Jump back and forth between the OS main thread and a new scheduler.
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// The OS main scheduler should continue to be available and not terminate
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// while it is not in use.
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pub fn main() {
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run(100);
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}
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fn run(i: int) {
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log(debug, i);
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if i == 0 {
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return;
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}
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do task::task().sched_mode(task::PlatformThread).unlinked().spawn {
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task::yield();
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do task::task().sched_mode(task::SingleThreaded).unlinked().spawn {
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task::yield();
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run(i - 1);
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task::yield();
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}
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task::yield();
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}
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}
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