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/* $Id: RTSemMutexRequest-generic.cpp $ */
/** @file
* IPRT - RTSemMutexRequest, generic RTSemMutexRequestNoResume wrapper.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define RTSEMMUTEX_WITHOUT_REMAPPING
#define LOG_GROUP RTLOGGROUP_SEM
#include <iprt/semaphore.h>
#include "internal/iprt.h"
#include <iprt/time.h>
#include <iprt/errcore.h>
#include <iprt/assert.h>
RTDECL(int) RTSemMutexRequest(RTSEMMUTEX Mutex, RTMSINTERVAL cMillies)
{
int rc;
if (cMillies == RT_INDEFINITE_WAIT)
{
do rc = RTSemMutexRequestNoResume(Mutex, cMillies);
while (rc == VERR_INTERRUPTED);
}
else
{
const uint64_t u64Start = RTTimeMilliTS();
rc = RTSemMutexRequestNoResume(Mutex, cMillies);
if (rc == VERR_INTERRUPTED)
{
do
{
uint64_t u64Elapsed = RTTimeMilliTS() - u64Start;
if (u64Elapsed >= cMillies)
return VERR_TIMEOUT;
rc = RTSemMutexRequestNoResume(Mutex, cMillies - (RTMSINTERVAL)u64Elapsed);
} while (rc == VERR_INTERRUPTED);
}
}
return rc;
}
RT_EXPORT_SYMBOL(RTSemMutexRequest);
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