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a29ece1693
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183934 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
//===-- Program.cpp - Implement OS Program Concept --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file implements the operating system Program concept.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Program.h"
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#include "llvm/Config/config.h"
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#include "llvm/Support/system_error.h"
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using namespace llvm;
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using namespace sys;
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only TRULY operating system
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//=== independent code.
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//===----------------------------------------------------------------------===//
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static bool Execute(void **Data, const Path &path, const char **args,
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const char **env, const sys::Path **redirects,
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unsigned memoryLimit, std::string *ErrMsg);
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static int Wait(void *&Data, const Path &path, unsigned secondsToWait,
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std::string *ErrMsg);
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int sys::ExecuteAndWait(StringRef path, const char **args, const char **env,
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const StringRef **redirects, unsigned secondsToWait,
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unsigned memoryLimit, std::string *ErrMsg,
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bool *ExecutionFailed) {
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Path P(path);
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if (!redirects)
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return ExecuteAndWait(P, args, env, 0, secondsToWait, memoryLimit, ErrMsg,
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ExecutionFailed);
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Path IO[3];
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const Path *IOP[3];
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for (int I = 0; I < 3; ++I) {
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if (redirects[I]) {
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IO[I] = *redirects[I];
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IOP[I] = &IO[I];
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} else {
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IOP[I] = 0;
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}
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}
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return ExecuteAndWait(P, args, env, IOP, secondsToWait, memoryLimit, ErrMsg,
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ExecutionFailed);
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}
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int sys::ExecuteAndWait(const Path &path, const char **args, const char **envp,
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const Path **redirects, unsigned secondsToWait,
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unsigned memoryLimit, std::string *ErrMsg,
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bool *ExecutionFailed) {
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void *Data = 0;
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if (Execute(&Data, path, args, envp, redirects, memoryLimit, ErrMsg)) {
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if (ExecutionFailed) *ExecutionFailed = false;
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return Wait(Data, path, secondsToWait, ErrMsg);
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}
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if (ExecutionFailed) *ExecutionFailed = true;
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return -1;
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}
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void sys::ExecuteNoWait(const Path &path, const char **args, const char **envp,
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const Path **redirects, unsigned memoryLimit,
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std::string *ErrMsg) {
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Execute(/*Data*/ 0, path, args, envp, redirects, memoryLimit, ErrMsg);
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}
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// Include the platform-specific parts of this class.
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#ifdef LLVM_ON_UNIX
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#include "Unix/Program.inc"
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#endif
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#ifdef LLVM_ON_WIN32
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#include "Windows/Program.inc"
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#endif
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