system_utils_apple.cpp

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Author : James Darpinian
Date : 2020-12-08 12:24:35
Hash : 0dbe7cdd
Message : iOS testing support angle_white_box_tests build and runs and passes on the iOS simulator with this change. angle_end2end_tests builds and runs but crashes. Bug: angleproject:4256 Bug: angleproject:5417 Change-Id: I8817e46415c4598cbfae49804727a2e9b21baff1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2600361 Commit-Queue: James Darpinian <jdarpinian@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org>

src/common/system_utils_apple.cpp

//
// Copyright 2020 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.
//

// system_utils_apple.cpp: Implementation of OS-specific functions for Apple platforms

#include "system_utils.h"

#include <unistd.h>

#include <CoreServices/CoreServices.h>
#include <mach-o/dyld.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <cstdlib>
#include <vector>

#include <array>

namespace angle
{
std::string GetExecutablePath()
{
    std::string result;

    uint32_t size = 0;
    _NSGetExecutablePath(nullptr, &size);

    std::vector<char> buffer;
    buffer.resize(size + 1);

    _NSGetExecutablePath(buffer.data(), &size);
    buffer[size] = '\0';

    if (!strrchr(buffer.data(), '/'))
    {
        return "";
    }
    return buffer.data();
}

std::string GetExecutableDirectory()
{
    std::string executablePath = GetExecutablePath();
    size_t lastPathSepLoc      = executablePath.find_last_of("/");
    return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
}

double GetCurrentTime()
{
    mach_timebase_info_data_t timebaseInfo;
    mach_timebase_info(&timebaseInfo);

    double secondCoeff = timebaseInfo.numer * 1e-9 / timebaseInfo.denom;
    return secondCoeff * mach_absolute_time();
}
}  // namespace angle

kc3-lang/angle/src/common/system_utils_apple.cpp

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kc3-lang/angle /src/common/system_utils_apple.cpp