57 lines
1.9 KiB
Rust
57 lines
1.9 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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// Tests of the runtime's scheduler interface
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use core::comm::*;
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pub type sched_id = int;
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pub type task_id = *libc::c_void;
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pub type task = *libc::c_void;
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pub type closure = *libc::c_void;
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mod rustrt {
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use super::{closure, sched_id, task, task_id};
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pub extern {
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pub fn rust_new_sched(num_threads: libc::uintptr_t) -> sched_id;
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pub fn rust_get_sched_id() -> sched_id;
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pub fn rust_new_task_in_sched(id: sched_id) -> task_id;
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pub fn start_task(id: task_id, f: closure);
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}
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}
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pub fn main() {
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unsafe {
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let (po, ch) = stream();
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let parent_sched_id = rustrt::rust_get_sched_id();
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error!("parent %?", parent_sched_id);
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let num_threads = 1u;
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let new_sched_id = rustrt::rust_new_sched(num_threads);
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error!("new_sched_id %?", new_sched_id);
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let new_task_id = rustrt::rust_new_task_in_sched(new_sched_id);
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assert!(!new_task_id.is_null());
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let f: ~fn() = || {
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unsafe {
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let child_sched_id = rustrt::rust_get_sched_id();
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error!("child_sched_id %?", child_sched_id);
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assert!(child_sched_id != parent_sched_id);
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assert_eq!(child_sched_id, new_sched_id);
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ch.send(());
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}
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};
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let fptr = cast::transmute(&f);
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rustrt::start_task(new_task_id, fptr);
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cast::forget(f);
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po.recv();
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}
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}
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