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(void **Data, StringRef Program, const char **args,
26 const char **env, const StringRef **Redirects,
27 unsigned memoryLimit, std::string *ErrMsg);
28
29 static int Wait(void *&Data, StringRef Program, unsigned secondsToWait,
30 std::string *ErrMsg);
31
ExecuteAndWait(StringRef Program,const char ** args,const char ** envp,const StringRef ** redirects,unsigned secondsToWait,unsigned memoryLimit,std::string * ErrMsg,bool * ExecutionFailed)32 int 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
ExecuteNoWait(StringRef Program,const char ** args,const char ** envp,const StringRef ** redirects,unsigned memoryLimit,std::string * ErrMsg)45 void 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