/*

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 "Platform/Exception.h"

#include "Platform/SyncEvent.h"

#include "Platform/SystemException.h"

namespace TrueCrypt

{

SyncEvent::SyncEvent ()

{

int status = pthread_cond_init (&SystemSyncEvent, nullptr);

if (status != 0)

throw SystemException (SRC_POS, status);

Signaled = false;

Initialized = true;

}

SyncEvent::~SyncEvent ()

{

#ifdef DEBUG

int status =

#endif

pthread_cond_destroy (&SystemSyncEvent);

#ifdef DEBUG

if (status != 0)

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

#endif

Initialized = false;

}

void SyncEvent::Signal ()

{

assert (Initialized);

ScopeLock lock (EventMutex);

Signaled = true;

int status = pthread_cond_signal (&SystemSyncEvent);

if (status != 0)

throw SystemException (SRC_POS, status);

}

void SyncEvent::Wait ()

{

assert (Initialized);

ScopeLock lock (EventMutex);

while (!Signaled)

{

int status = pthread_cond_wait (&SystemSyncEvent, EventMutex.GetSystemHandle());

if (status != 0)

throw SystemException (SRC_POS, status);

}

Signaled = false;

}

}