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(void **Data, StringRef Program, const char **args, 26 const char **env, const StringRef **Redirects, 27 unsigned memoryLimit, std::string *ErrMsg); 28 29static int Wait(void *&Data, StringRef Program, unsigned secondsToWait, 30 std::string *ErrMsg); 31 32int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp, 33 const StringRef **redirects, unsigned secondsToWait, 34 unsigned memoryLimit, std::string *ErrMsg, 35 bool *ExecutionFailed) { 36 void *Data = 0; 37 if (Execute(&Data, Program, args, envp, redirects, memoryLimit, ErrMsg)) { 38 if (ExecutionFailed) *ExecutionFailed = false; 39 return Wait(Data, Program, secondsToWait, ErrMsg); 40 } 41 if (ExecutionFailed) *ExecutionFailed = true; 42 return -1; 43} 44 45void sys::ExecuteNoWait(StringRef Program, const char **args, const char **envp, 46 const StringRef **redirects, unsigned memoryLimit, 47 std::string *ErrMsg) { 48 Execute(/*Data*/ 0, Program, args, envp, redirects, memoryLimit, ErrMsg); 49} 50 51// Include the platform-specific parts of this class. 52#ifdef LLVM_ON_UNIX 53#include "Unix/Program.inc" 54#endif 55#ifdef LLVM_ON_WIN32 56#include "Windows/Program.inc" 57#endif 58