//===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file was developed by the LLVM research group and is distributed under // the University of Illinois Open Source License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file contains functions used to do a variety of low-level, often // system-specific, tasks. // //===----------------------------------------------------------------------===// #ifndef LLVM_SUPPORT_SYSTEMUTILS_H #define LLVM_SUPPORT_SYSTEMUTILS_H #include "llvm/System/Path.h" namespace llvm { /// isStandardOutAConsole - Return true if we can tell that the standard output /// stream goes to a terminal window or console. bool isStandardOutAConsole(); /// FindExecutable - Find a named executable, giving the argv[0] of program /// being executed. This allows us to find another LLVM tool if it is built into /// the same directory, but that directory is neither the current directory, nor /// in the PATH. If the executable cannot be found, return an empty string. /// sys::Path FindExecutable(const std::string &ExeName, const std::string &ProgramPath); /// RunProgramWithTimeout - This function executes the specified program, with /// the specified null-terminated argument array, with the stdin/out/err fd's /// redirected, with a timeout specified by the last argument. This terminates /// the calling program if there is an error executing the specified program. /// It returns the return value of the program, or -1 if a timeout is detected. /// int RunProgramWithTimeout(const std::string &ProgramPath, const char **Args, const std::string &StdInFile = "", const std::string &StdOutFile = "", const std::string &StdErrFile = "", unsigned NumSeconds = 0); /// ExecWait - Execute a program with the given arguments and environment and /// wait for it to terminate. /// int ExecWait (const char * const argv[], const char * const envp[]); } // End llvm namespace #endif