Files
godot-angle-static/util/linux/Linux_system_utils.cpp
Corentin Wallez 83634d6b61 Revert "Implement missing util/ functions on Mac"
This reverts commit 959e197c84.

BUG=

Change-Id: I71ea2894c74be8fda80a59c99bc53f4fcb7e9115
Reviewed-on: https://chromium-review.googlesource.com/299873
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>
2015-09-16 20:13:19 +00:00

49 lines
1.2 KiB
C++

//
// 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/resource.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) : "";
}
void SetLowPriorityProcess()
{
setpriority(PRIO_PROCESS, getpid(), 10);
}
} // namespace angle