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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) 2013-2017 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 "Platform/Exception.h"
#include "Platform/SyncEvent.h"
#include "Platform/SystemException.h"
namespace VeraCrypt
{
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;
}
}
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