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