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" 17 using namespace llvm; 18 using namespace sys; 19 20 //===----------------------------------------------------------------------===// 21 //=== WARNING: Implementation here must contain only TRULY operating system 22 //=== independent code. 23 //===----------------------------------------------------------------------===// 24 25 static bool Execute(ProcessInfo &PI, StringRef Program, const char **args, 26 const char **env, const StringRef **Redirects, 27 unsigned memoryLimit, std::string *ErrMsg); 28 29 int 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 47 ProcessInfo 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