posix

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Author : Corentin Wallez
Date : 2015-05-25 10:03:35
Hash : 5c798fe9
Message : Enable OcclusionQueriesTest on Linux This includes an implementation of a cross platform Sleep function BUG=angleproject:892 Change-Id: I1087a00ab204b37bafc5e95a9766962b194d97ef Reviewed-on: https://chromium-review.googlesource.com/273133 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>

Posix_system_utils.cpp

//
// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// Posix_system_utils.cpp: Implementation of OS-specific functions for Posix systems

#include "system_utils.h"

#include <sched.h>
#include <time.h>

namespace angle
{

void Sleep(unsigned int milliseconds)
{
    // On Windows Sleep(0) yields while it isn't guaranteed by Posix's sleep
    // so we replicate Windows' behavior with an explicit yield.
    if (milliseconds == 0)
    {
        sched_yield();
    }
    else
    {
        timespec sleepTime =
        {
            .tv_sec = milliseconds / 1000,
            .tv_nsec = (milliseconds % 1000) * 1000000,
        };

        nanosleep(&sleepTime, nullptr);
    }
}

} // namespace angle

kc3-lang/angle/util/posix

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kc3-lang/angle /util/posix