ClickHouse/contrib/libpoco/Foundation/src/NamedEvent_WIN32.cpp

64 lines
1.1 KiB
C++

//
// NamedEvent_WIN32.cpp
//
// $Id: //poco/1.4/Foundation/src/NamedEvent_WIN32.cpp#1 $
//
// Library: Foundation
// Package: Processes
// Module: NamedEvent
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/NamedEvent_WIN32.h"
#include "Poco/Error.h"
#include "Poco/Exception.h"
#include "Poco/Format.h"
namespace Poco {
NamedEventImpl::NamedEventImpl(const std::string& name):
_name(name)
{
_event = CreateEventA(NULL, FALSE, FALSE, _name.c_str());
if (!_event)
{
DWORD dwRetVal = GetLastError();
throw SystemException(format("cannot create named event %s [Error %d: %s]", _name, (int)dwRetVal, Error::getMessage(dwRetVal)));
}
}
NamedEventImpl::~NamedEventImpl()
{
CloseHandle(_event);
}
void NamedEventImpl::setImpl()
{
if (!SetEvent(_event))
throw SystemException("cannot signal named event", _name);
}
void NamedEventImpl::waitImpl()
{
switch (WaitForSingleObject(_event, INFINITE))
{
case WAIT_OBJECT_0:
return;
default:
throw SystemException("wait for named event failed", _name);
}
}
} // namespace Poco