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/*
Derived from source code of TrueCrypt 7.1a, which is
Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
by the TrueCrypt License 3.0.
Modifications and additions to the original source code (contained in this file)
and all other portions of this file are Copyright (c) 2013-2016 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages.
*/
#include <pthread.h>
#include "Platform/Mutex.h"
#include "Platform/SystemException.h"
namespace VeraCrypt
{
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);
}
}
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