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//===- 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
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