kc3-lang/angle/util/linux/Linux_system_utils.cpp

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• Author : Jamie Madill
  Date : 2016-05-17 13:43:17
  Hash : 776a75b4
  Message : Make Platform errors trigger test failures. This can be useful in the Vulkan back-end to make validation layer errors cause test cases to fail. BUG=angleproject:1319 Change-Id: I523f3c874e892a2646600e4c5c554319ed8d770c Reviewed-on: https://chromium-review.googlesource.com/342050 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• util/linux/Linux_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.
  //
  
  // Linux_system_utils.cpp: Implementation of OS-specific functions for Linux
  
  #include "system_utils.h"
  
  #include <sys/stat.h>
  #include <sys/time.h>
  #include <sys/types.h>
  #include <unistd.h>
  
  namespace angle
  {
  
  std::string GetExecutablePath()
  {
      // We cannot use lstat to get the size of /proc/self/exe as it always returns 0
      // so we just use a big buffer and hope the path fits in it.
      char path[4096];
  
      ssize_t result = readlink("/proc/self/exe", path, sizeof(path) - 1);
      if (result < 0 || static_cast<size_t>(result) >= sizeof(path) - 1)
      {
          return "";
      }
  
      path[result] = '\0';
      return path;
  }
  
  std::string GetExecutableDirectory()
  {
      std::string executablePath = GetExecutablePath();
      size_t lastPathSepLoc = executablePath.find_last_of("/");
      return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
  }
  
  std::string GetSharedLibraryExtension()
  {
      return "so";
  }
  
  } // namespace angle