| //===- 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 SYSTEMUTILS_H |
| #define SYSTEMUTILS_H |
| |
| #include <string> |
| |
| namespace llvm { |
| |
| /// isExecutableFile - This function returns true if the filename specified |
| /// exists and is executable. |
| /// |
| bool isExecutableFile(const std::string &ExeFileName); |
| |
| /// 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. |
| /// |
| std::string 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 on the commandline. 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 = ""); |
| |
| /// 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 |