/*

Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.

Governed by the TrueCrypt License 3.0 the full text of which is contained in

the file License.txt included in TrueCrypt binary and source code distribution

packages.

*/

#include <pthread.h>

#include "Platform/Mutex.h"

#include "Platform/SystemException.h"

namespace TrueCrypt

{

Mutex::Mutex ()

{

pthread_mutexattr_t attributes;

int status = pthread_mutexattr_init (&attributes);

if (status != 0)

throw SystemException (SRC_POS, status);

status = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE);

if (status != 0)

throw SystemException (SRC_POS, status);

status = pthread_mutex_init (&SystemMutex, &attributes);

if (status != 0)

throw SystemException (SRC_POS, status);

Initialized = true;

}

Mutex::~Mutex ()

{

Initialized = false;

#ifdef DEBUG

int status =

#endif

pthread_mutex_destroy (&SystemMutex);

#ifdef DEBUG

if (status != 0)

SystemLog::WriteException (SystemException (SRC_POS, status));

#endif

}

void Mutex::Lock ()

{

assert (Initialized);

int status = pthread_mutex_lock (&SystemMutex);

if (status != 0)

throw SystemException (SRC_POS, status);

}

void Mutex::Unlock ()

{

int status = pthread_mutex_unlock (&SystemMutex);

if (status != 0)

throw SystemException (SRC_POS, status);

}

}