47 lines
1.0 KiB
Rust
47 lines
1.0 KiB
Rust
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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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fn main() {
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run(10);
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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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ret;
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}
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let builder = task::task_builder();
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let opts = {
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sched: some({
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mode: task::osmain,
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native_stack_size: none
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})
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with task::get_opts(builder)
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};
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task::set_opts(builder, opts);
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task::unsupervise(builder);
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task::run(builder) {||
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task::yield();
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let builder = task::task_builder();
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let opts = {
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sched: some({
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mode: task::single_threaded,
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native_stack_size: none
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})
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with task::get_opts(builder)
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};
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task::set_opts(builder, opts);
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task::unsupervise(builder);
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task::run(builder) {||
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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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