blob: ccb4e9df8d5cf1d73e02a3868db07c82689dac5a [file] [log] [blame]
// Copyright 2014 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.h: declaration of OS-specific utility functions
#include "common/Optional.h"
#include "common/angleutils.h"
namespace angle
std::string GetExecutablePath();
std::string GetExecutableDirectory();
const char *GetSharedLibraryExtension();
Optional<std::string> GetCWD();
bool SetCWD(const char *dirName);
bool SetEnvironmentVar(const char *variableName, const char *value);
bool UnsetEnvironmentVar(const char *variableName);
std::string GetEnvironmentVar(const char *variableName);
const char *GetPathSeparatorForEnvironmentVar();
bool PrependPathToEnvironmentVar(const char *variableName, const char *path);
bool IsDirectory(const char *filename);
// Get absolute time in seconds. Use this function to get an absolute time with an unknown origin.
double GetCurrentTime();
// Run an application and get the output. Gets a nullptr-terminated set of args to execute the
// application with, and returns the stdout and stderr outputs as well as the exit code.
// Pass nullptr for stdoutOut/stderrOut if you don't need to capture. exitCodeOut is required.
// Returns false if it fails to actually execute the application.
bool RunApp(const std::vector<const char *> &args,
std::string *stdoutOut,
std::string *stderrOut,
int *exitCodeOut);
class Library : angle::NonCopyable
virtual ~Library() {}
virtual void *getSymbol(const char *symbolName) = 0;
virtual void *getNative() const = 0;
template <typename FuncT>
void getAs(const char *symbolName, FuncT *funcOut)
*funcOut = reinterpret_cast<FuncT>(getSymbol(symbolName));
// Use SYSTEM_DIR to bypass loading ANGLE libraries with the same name as system DLLS
// (e.g. opengl32.dll)
enum class SearchType
Library *OpenSharedLibrary(const char *libraryName, SearchType searchType);
// Returns true if the process is currently being debugged.
bool IsDebuggerAttached();
// Calls system APIs to break into the debugger.
void BreakDebugger();
} // namespace angle