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// Copyright 2014-2015 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.
use alloc::boxed::FnBox;
use cmp;
use ffi::CStr;
use io;
use libc;
use mem;
use sys::os;
use sys_common::thread::start_thread;
use time::Duration;
pub struct Thread {
id: libc::pid_t,
}
// Some platforms may have pthread_t as a pointer in which case we still want
// a thread to be Send/Sync
unsafe impl Send for Thread {}
unsafe impl Sync for Thread {}
impl Thread {
pub unsafe fn new<'a>(_stack: usize, p: Box<FnBox() + 'a>) -> io::Result<Thread> {
let p = box p;
start_thread(&*p as *const _ as *mut _);
unimplemented!();
}
pub fn yield_now() {
let ret = unsafe { libc::sched_yield() };
debug_assert_eq!(ret, 0);
}
pub fn set_name(_name: &CStr) {
}
pub fn sleep(dur: Duration) {
let mut secs = dur.as_secs();
let mut nsecs = dur.subsec_nanos() as i32;
// If we're awoken with a signal then the return value will be -1 and
// nanosleep will fill in `ts` with the remaining time.
unsafe {
while secs > 0 || nsecs > 0 {
let mut ts = libc::timespec {
tv_sec: cmp::min(libc::time_t::max_value() as u64, secs) as libc::time_t,
tv_nsec: nsecs,
};
secs -= ts.tv_sec as u64;
if libc::nanosleep(&ts, &mut ts) == -1 {
assert_eq!(os::errno(), libc::EINTR);
secs += ts.tv_sec as u64;
nsecs = ts.tv_nsec;
} else {
nsecs = 0;
}
}
}
}
pub fn join(self) {
panic!();
}
pub fn id(&self) -> libc::pid_t { self.id }
pub fn into_id(self) -> libc::pid_t {
let id = self.id;
mem::forget(self);
id
}
}
impl Drop for Thread {
fn drop(&mut self) {
panic!();
}
}
pub mod guard {
pub unsafe fn current() -> Option<usize> { None }
pub unsafe fn init() -> Option<usize> { None }
}
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