3d28b8b98e
* Delete `sys::unix::{c, sync}` as these are now all folded into libc itself
* Update all references to use `libc` as a result.
* Update all references to the new flat namespace.
* Moves all windows bindings into sys::c
62 lines
1.9 KiB
Rust
62 lines
1.9 KiB
Rust
// Copyright 2014 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 cell::UnsafeCell;
|
|
use sys::c;
|
|
use sys::mutex::{self, Mutex};
|
|
use sys::os;
|
|
use time::Duration;
|
|
|
|
pub struct Condvar { inner: UnsafeCell<c::CONDITION_VARIABLE> }
|
|
|
|
unsafe impl Send for Condvar {}
|
|
unsafe impl Sync for Condvar {}
|
|
|
|
impl Condvar {
|
|
pub const fn new() -> Condvar {
|
|
Condvar { inner: UnsafeCell::new(c::CONDITION_VARIABLE_INIT) }
|
|
}
|
|
|
|
#[inline]
|
|
pub unsafe fn wait(&self, mutex: &Mutex) {
|
|
let r = c::SleepConditionVariableSRW(self.inner.get(),
|
|
mutex::raw(mutex),
|
|
c::INFINITE,
|
|
0);
|
|
debug_assert!(r != 0);
|
|
}
|
|
|
|
pub unsafe fn wait_timeout(&self, mutex: &Mutex, dur: Duration) -> bool {
|
|
let r = c::SleepConditionVariableSRW(self.inner.get(),
|
|
mutex::raw(mutex),
|
|
super::dur2timeout(dur),
|
|
0);
|
|
if r == 0 {
|
|
debug_assert_eq!(os::errno() as usize, c::ERROR_TIMEOUT as usize);
|
|
false
|
|
} else {
|
|
true
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub unsafe fn notify_one(&self) {
|
|
c::WakeConditionVariable(self.inner.get())
|
|
}
|
|
|
|
#[inline]
|
|
pub unsafe fn notify_all(&self) {
|
|
c::WakeAllConditionVariable(self.inner.get())
|
|
}
|
|
|
|
pub unsafe fn destroy(&self) {
|
|
// ...
|
|
}
|
|
}
|