53 lines
1.8 KiB
Rust
53 lines
1.8 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
// Tests of the runtime's scheduler interface
|
|
|
|
type sched_id = int;
|
|
type task_id = *libc::c_void;
|
|
|
|
type task = *libc::c_void;
|
|
type closure = *libc::c_void;
|
|
|
|
extern mod rustrt {
|
|
#[legacy_exports];
|
|
fn rust_new_sched(num_threads: libc::uintptr_t) -> sched_id;
|
|
fn rust_get_sched_id() -> sched_id;
|
|
fn rust_new_task_in_sched(id: sched_id) -> task_id;
|
|
fn start_task(id: task_id, f: closure);
|
|
}
|
|
|
|
fn main() {
|
|
unsafe {
|
|
let po = oldcomm::Port();
|
|
let ch = oldcomm::Chan(&po);
|
|
let parent_sched_id = rustrt::rust_get_sched_id();
|
|
error!("parent %?", parent_sched_id);
|
|
let num_threads = 1u;
|
|
let new_sched_id = rustrt::rust_new_sched(num_threads);
|
|
error!("new_sched_id %?", new_sched_id);
|
|
let new_task_id = rustrt::rust_new_task_in_sched(new_sched_id);
|
|
assert !new_task_id.is_null();
|
|
let f = fn~() {
|
|
unsafe {
|
|
let child_sched_id = rustrt::rust_get_sched_id();
|
|
error!("child_sched_id %?", child_sched_id);
|
|
assert child_sched_id != parent_sched_id;
|
|
assert child_sched_id == new_sched_id;
|
|
oldcomm::send(ch, ());
|
|
}
|
|
};
|
|
let fptr = cast::reinterpret_cast(&ptr::addr_of(&f));
|
|
rustrt::start_task(new_task_id, fptr);
|
|
cast::forget(move f);
|
|
oldcomm::recv(po);
|
|
}
|
|
}
|