llvm-6502/lib/Support/Program.cpp
Benjamin Kramer df93f4bb0b Purge unused includes throughout libSupport.
NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232976 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-23 18:07:13 +00:00

70 lines
2.4 KiB
C++

//===-- Program.cpp - Implement OS Program Concept --------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the operating system Program concept.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Program.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Config/config.h"
#include <system_error>
using namespace llvm;
using namespace sys;
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
const char **env, const StringRef **Redirects,
unsigned memoryLimit, std::string *ErrMsg);
int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp,
const StringRef **redirects, unsigned secondsToWait,
unsigned memoryLimit, std::string *ErrMsg,
bool *ExecutionFailed) {
ProcessInfo PI;
if (Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg)) {
if (ExecutionFailed)
*ExecutionFailed = false;
ProcessInfo Result = Wait(
PI, secondsToWait, /*WaitUntilTerminates=*/secondsToWait == 0, ErrMsg);
return Result.ReturnCode;
}
if (ExecutionFailed)
*ExecutionFailed = true;
return -1;
}
ProcessInfo sys::ExecuteNoWait(StringRef Program, const char **args,
const char **envp, const StringRef **redirects,
unsigned memoryLimit, std::string *ErrMsg,
bool *ExecutionFailed) {
ProcessInfo PI;
if (ExecutionFailed)
*ExecutionFailed = false;
if (!Execute(PI, Program, args, envp, redirects, memoryLimit, ErrMsg))
if (ExecutionFailed)
*ExecutionFailed = true;
return PI;
}
// Include the platform-specific parts of this class.
#ifdef LLVM_ON_UNIX
#include "Unix/Program.inc"
#endif
#ifdef LLVM_ON_WIN32
#include "Windows/Program.inc"
#endif