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#include "qmutex.h"
#include <qatomic.h>
#include "qmutex_p.h"
#include <qt_windows.h>

QT_BEGIN_NAMESPACE

QMutexPrivate::QMutexPrivate()
{
#ifndef Q_OS_WINRT
    event = CreateEvent(0, FALSE, FALSE, 0);
#else
    event = CreateEventEx(0, NULL, 0, EVENT_ALL_ACCESS);
#endif

    if (!event)
        qWarning("QMutexData::QMutexData: Cannot create event");
}

QMutexPrivate::~QMutexPrivate()
{ CloseHandle(event); }

bool QMutexPrivate::wait(int timeout)
{
#ifndef Q_OS_WINRT
    return (WaitForSingleObject(event, timeout < 0 ? INFINITE : timeout) ==  WAIT_OBJECT_0);
#else
    return (WaitForSingleObjectEx(event, timeout < 0 ? INFINITE : timeout, FALSE) == WAIT_OBJECT_0);
#endif
}

void QMutexPrivate::wakeUp() Q_DECL_NOTHROW
{ SetEvent(event); }

QT_END_NAMESPACE