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-rw-r--r--ctr-std/src/sys_common/condvar.rs70
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diff --git a/ctr-std/src/sys_common/condvar.rs b/ctr-std/src/sys_common/condvar.rs
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--- a/ctr-std/src/sys_common/condvar.rs
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-// 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 time::Duration;
-use sys_common::mutex::{self, Mutex};
-use sys::condvar as imp;
-
-/// An OS-based condition variable.
-///
-/// This structure is the lowest layer possible on top of the OS-provided
-/// condition variables. It is consequently entirely unsafe to use. It is
-/// recommended to use the safer types at the top level of this crate instead of
-/// this type.
-pub struct Condvar(imp::Condvar);
-
-impl Condvar {
- /// Creates a new condition variable for use.
- ///
- /// Behavior is undefined if the condition variable is moved after it is
- /// first used with any of the functions below.
- pub const fn new() -> Condvar { Condvar(imp::Condvar::new()) }
-
- /// Prepares the condition variable for use.
- ///
- /// This should be called once the condition variable is at a stable memory
- /// address.
- #[inline]
- pub unsafe fn init(&mut self) { self.0.init() }
-
- /// Signals one waiter on this condition variable to wake up.
- #[inline]
- pub unsafe fn notify_one(&self) { self.0.notify_one() }
-
- /// Awakens all current waiters on this condition variable.
- #[inline]
- pub unsafe fn notify_all(&self) { self.0.notify_all() }
-
- /// Waits for a signal on the specified mutex.
- ///
- /// Behavior is undefined if the mutex is not locked by the current thread.
- /// Behavior is also undefined if more than one mutex is used concurrently
- /// on this condition variable.
- #[inline]
- pub unsafe fn wait(&self, mutex: &Mutex) { self.0.wait(mutex::raw(mutex)) }
-
- /// Waits for a signal on the specified mutex with a timeout duration
- /// specified by `dur` (a relative time into the future).
- ///
- /// Behavior is undefined if the mutex is not locked by the current thread.
- /// Behavior is also undefined if more than one mutex is used concurrently
- /// on this condition variable.
- #[inline]
- pub unsafe fn wait_timeout(&self, mutex: &Mutex, dur: Duration) -> bool {
- self.0.wait_timeout(mutex::raw(mutex), dur)
- }
-
- /// Deallocates all resources associated with this condition variable.
- ///
- /// Behavior is undefined if there are current or will be future users of
- /// this condition variable.
- #[inline]
- pub unsafe fn destroy(&self) { self.0.destroy() }
-}