mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-19 04:32:19 +00:00
675e0ac0bf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183940 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.9 KiB
C++
86 lines
2.9 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 header file implements the operating system Program concept.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/Program.h"
|
|
#include "llvm/Support/PathV1.h"
|
|
#include "llvm/Config/config.h"
|
|
#include "llvm/Support/system_error.h"
|
|
using namespace llvm;
|
|
using namespace sys;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
//=== WARNING: Implementation here must contain only TRULY operating system
|
|
//=== independent code.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static bool Execute(void **Data, const Path &path, const char **args,
|
|
const char **env, const sys::Path **redirects,
|
|
unsigned memoryLimit, std::string *ErrMsg);
|
|
|
|
static int Wait(void *&Data, const Path &path, unsigned secondsToWait,
|
|
std::string *ErrMsg);
|
|
|
|
|
|
static bool Execute(void **Data, StringRef Program, const char **args,
|
|
const char **env, const StringRef **Redirects,
|
|
unsigned memoryLimit, std::string *ErrMsg) {
|
|
Path P(Program);
|
|
if (!Redirects)
|
|
return Execute(Data, P, args, env, 0, memoryLimit, ErrMsg);
|
|
Path IO[3];
|
|
const Path *IOP[3];
|
|
for (int I = 0; I < 3; ++I) {
|
|
if (Redirects[I]) {
|
|
IO[I] = *Redirects[I];
|
|
IOP[I] = &IO[I];
|
|
} else {
|
|
IOP[I] = 0;
|
|
}
|
|
}
|
|
|
|
return Execute(Data, P, args, env, IOP, memoryLimit, ErrMsg);
|
|
}
|
|
|
|
static int Wait(void *&Data, StringRef Program, unsigned secondsToWait,
|
|
std::string *ErrMsg) {
|
|
Path P(Program);
|
|
return Wait(Data, P, secondsToWait, ErrMsg);
|
|
}
|
|
|
|
int sys::ExecuteAndWait(StringRef Program, const char **args, const char **envp,
|
|
const StringRef **redirects, unsigned secondsToWait,
|
|
unsigned memoryLimit, std::string *ErrMsg,
|
|
bool *ExecutionFailed) {
|
|
void *Data = 0;
|
|
if (Execute(&Data, Program, args, envp, redirects, memoryLimit, ErrMsg)) {
|
|
if (ExecutionFailed) *ExecutionFailed = false;
|
|
return Wait(Data, Program, secondsToWait, ErrMsg);
|
|
}
|
|
if (ExecutionFailed) *ExecutionFailed = true;
|
|
return -1;
|
|
}
|
|
|
|
void sys::ExecuteNoWait(StringRef Program, const char **args, const char **envp,
|
|
const StringRef **redirects, unsigned memoryLimit,
|
|
std::string *ErrMsg) {
|
|
Execute(/*Data*/ 0, Program, args, envp, redirects, memoryLimit, ErrMsg);
|
|
}
|
|
|
|
// 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
|