//

// _RecursiveLock.swift

// SwiftTask

//

// Created by Yasuhiro Inami on 2015/05/18.

// Copyright (c) 2015年 Yasuhiro Inami. All rights reserved.

//

import Darwin

internal final class _RecursiveLock

{

private let mutex: UnsafeMutablePointer<pthread_mutex_t>

private let attribute: UnsafeMutablePointer<pthread_mutexattr_t>

internal init()

{

self.mutex = UnsafeMutablePointer<pthread_mutex_t>.alloc(1)

self.attribute = UnsafeMutablePointer<pthread_mutexattr_t>.alloc(1)

pthread_mutexattr_init(self.attribute)

pthread_mutexattr_settype(self.attribute, PTHREAD_MUTEX_RECURSIVE)

pthread_mutex_init(self.mutex, self.attribute)

}

deinit

{

pthread_mutexattr_destroy(self.attribute)

pthread_mutex_destroy(self.mutex)

self.attribute.dealloc(1)

self.mutex.dealloc(1)

}

internal func lock()

{

pthread_mutex_lock(self.mutex)

}

internal func unlock()

{

pthread_mutex_unlock(self.mutex)

}

}