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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 cell::UnsafeCell;
use mem;
use libctru::synchronization;
pub struct Mutex { inner: UnsafeCell<synchronization::LightLock> }
#[inline]
pub unsafe fn raw(m: &Mutex) -> *mut synchronization::LightLock {
m.inner.get()
}
unsafe impl Send for Mutex {}
unsafe impl Sync for Mutex {}
#[allow(dead_code)] // sys isn't exported yet
impl Mutex {
pub const fn new() -> Mutex {
Mutex { inner: UnsafeCell::new(0) }
}
#[inline]
pub unsafe fn init(&mut self) {
synchronization::LightLock_Init(self.inner.get());
}
#[inline]
pub unsafe fn lock(&self) {
synchronization::LightLock_Lock(self.inner.get());
}
#[inline]
pub unsafe fn unlock(&self) {
synchronization::LightLock_Unlock(self.inner.get());
}
#[inline]
pub unsafe fn try_lock(&self) -> bool {
match synchronization::LightLock_TryLock(self.inner.get()) {
0 => true,
_ => false,
}
}
#[inline]
pub unsafe fn destroy(&self) {}
}
pub struct ReentrantMutex { inner: UnsafeCell<synchronization::RecursiveLock> }
unsafe impl Send for ReentrantMutex {}
unsafe impl Sync for ReentrantMutex {}
impl ReentrantMutex {
pub unsafe fn uninitialized() -> ReentrantMutex {
ReentrantMutex { inner: mem::uninitialized() }
}
#[inline]
pub unsafe fn init(&mut self) {
synchronization::RecursiveLock_Init(self.inner.get());
}
#[inline]
pub unsafe fn lock(&self) {
synchronization::RecursiveLock_Lock(self.inner.get());
}
#[inline]
pub unsafe fn unlock(&self) {
synchronization::RecursiveLock_Unlock(self.inner.get());
}
#[inline]
pub unsafe fn try_lock(&self) -> bool {
match synchronization::RecursiveLock_TryLock(self.inner.get()) {
0 => true,
_ => false,
}
}
#[inline]
pub unsafe fn destroy(&self) {}
}
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