1//===-- Program.cpp - Implement OS Program Concept --------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This header file implements the operating system Program concept. 11// 12//===----------------------------------------------------------------------===// 13 14#include "llvm/Support/Program.h" 15#include "llvm/Config/config.h" 16#include "llvm/Support/system_error.h" 17using namespace llvm; 18using namespace sys; 19 20//===----------------------------------------------------------------------===// 21//=== WARNING: Implementation here must contain only TRULY operating system 22//=== independent code. 23//===----------------------------------------------------------------------===// 24 25static bool Execute(ProcessInfo &PI, StringRef Program, const char **args, 26 const char **env, const StringRef **Redirects, 27 unsigned memoryLimit, std::string *ErrMsg); 28 29int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp, 30 const StringRef **redirects, unsigned secondsToWait, 31 unsigned memoryLimit, std::string *ErrMsg, 32 bool *ExecutionFailed) { 33 ProcessInfo PI; 34 if (Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) { 35 if (ExecutionFailed) 36 *ExecutionFailed = false; 37 ProcessInfo Result = Wait(PI, secondsToWait, true, ErrMsg); 38 return Result.ReturnCode; 39 } 40 41 if (ExecutionFailed) 42 *ExecutionFailed = true; 43 44 return -1; 45} 46 47ProcessInfo sys::ExecuteNoWait(StringRef Program, const char **args, 48 const char **envp, const StringRef **redirects, 49 unsigned memoryLimit, std::string *ErrMsg, 50 bool *ExecutionFailed) { 51 ProcessInfo PI; 52 if (ExecutionFailed) 53 *ExecutionFailed = false; 54 if (!Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) 55 if (ExecutionFailed) 56 *ExecutionFailed = true; 57 58 return PI; 59} 60 61// Include the platform-specific parts of this class. 62#ifdef LLVM_ON_UNIX 63#include "Unix/Program.inc" 64#endif 65#ifdef LLVM_ON_WIN32 66#include "Windows/Program.inc" 67#endif 68