2004-09-11 12:59:30 +08:00
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//===-- Process.cpp - Implement OS Process Concept --------------*- C++ -*-===//
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2005-04-22 06:55:34 +08:00
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//
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2019-01-19 16:50:56 +08:00
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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2005-04-22 06:55:34 +08:00
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//
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2004-09-11 12:59:30 +08:00
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//===----------------------------------------------------------------------===//
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//
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2014-06-20 09:36:00 +08:00
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// This file implements the operating system Process concept.
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2004-09-11 12:59:30 +08:00
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//
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//===----------------------------------------------------------------------===//
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2017-06-06 19:49:48 +08:00
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#include "llvm/Support/Process.h"
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2017-10-12 04:12:09 +08:00
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#include "llvm/ADT/STLExtras.h"
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2014-07-01 03:54:20 +08:00
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#include "llvm/ADT/StringExtras.h"
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2018-08-21 00:49:54 +08:00
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#include "llvm/Config/config.h"
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2020-02-11 23:17:15 +08:00
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#include "llvm/Config/llvm-config.h"
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#include "llvm/Support/CrashRecoveryContext.h"
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2014-07-01 03:54:20 +08:00
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#include "llvm/Support/FileSystem.h"
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2015-03-24 02:07:13 +08:00
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#include "llvm/Support/Path.h"
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2014-07-01 03:54:20 +08:00
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#include "llvm/Support/Program.h"
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2004-09-11 12:59:30 +08:00
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2012-12-31 19:45:20 +08:00
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using namespace llvm;
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2004-09-11 12:59:30 +08:00
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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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2005-04-22 06:55:34 +08:00
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//=== independent code.
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2004-09-11 12:59:30 +08:00
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//===----------------------------------------------------------------------===//
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2017-10-12 04:12:09 +08:00
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Optional<std::string> Process::FindInEnvPath(StringRef EnvName,
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StringRef FileName) {
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return FindInEnvPath(EnvName, FileName, {});
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}
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Optional<std::string> Process::FindInEnvPath(StringRef EnvName,
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StringRef FileName,
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ArrayRef<std::string> IgnoreList) {
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2015-04-25 06:18:46 +08:00
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assert(!path::is_absolute(FileName));
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2014-07-01 03:54:20 +08:00
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Optional<std::string> FoundPath;
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Optional<std::string> OptPath = Process::GetEnv(EnvName);
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if (!OptPath.hasValue())
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return FoundPath;
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const char EnvPathSeparatorStr[] = {EnvPathSeparator, '\0'};
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SmallVector<StringRef, 8> Dirs;
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SplitString(OptPath.getValue(), Dirs, EnvPathSeparatorStr);
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2017-10-12 04:12:09 +08:00
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for (StringRef Dir : Dirs) {
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2014-07-01 03:54:20 +08:00
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if (Dir.empty())
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continue;
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2017-10-12 04:12:09 +08:00
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if (any_of(IgnoreList, [&](StringRef S) { return fs::equivalent(S, Dir); }))
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continue;
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2014-07-01 03:54:20 +08:00
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SmallString<128> FilePath(Dir);
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path::append(FilePath, FileName);
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if (fs::exists(Twine(FilePath))) {
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2020-01-29 03:23:46 +08:00
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FoundPath = std::string(FilePath.str());
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2014-07-01 03:54:20 +08:00
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break;
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}
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}
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return FoundPath;
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}
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2013-01-05 07:19:55 +08:00
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2013-09-11 08:36:48 +08:00
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#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m"
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#define ALLCOLORS(FGBG,BOLD) {\
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COLOR(FGBG, "0", BOLD),\
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COLOR(FGBG, "1", BOLD),\
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COLOR(FGBG, "2", BOLD),\
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COLOR(FGBG, "3", BOLD),\
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COLOR(FGBG, "4", BOLD),\
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COLOR(FGBG, "5", BOLD),\
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COLOR(FGBG, "6", BOLD),\
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COLOR(FGBG, "7", BOLD)\
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}
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static const char colorcodes[2][2][8][10] = {
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{ ALLCOLORS("3",""), ALLCOLORS("3","1;") },
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{ ALLCOLORS("4",""), ALLCOLORS("4","1;") }
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};
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2018-08-24 06:58:56 +08:00
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// A CMake option controls wheter we emit core dumps by default. An application
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// may disable core dumps by calling Process::PreventCoreFiles().
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static bool coreFilesPrevented = !LLVM_ENABLE_CRASH_DUMPS;
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2016-05-05 00:56:51 +08:00
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2018-08-24 06:58:56 +08:00
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bool Process::AreCoreFilesPrevented() { return coreFilesPrevented; }
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2016-05-05 00:56:51 +08:00
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2020-02-11 23:17:15 +08:00
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LLVM_ATTRIBUTE_NORETURN
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void Process::Exit(int RetCode) {
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if (CrashRecoveryContext *CRC = CrashRecoveryContext::GetCurrent())
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CRC->HandleExit(RetCode);
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::exit(RetCode);
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}
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2004-09-11 12:59:30 +08:00
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// Include the platform-specific parts of this class.
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2004-12-27 14:15:29 +08:00
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#ifdef LLVM_ON_UNIX
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2005-01-10 07:29:00 +08:00
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#include "Unix/Process.inc"
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2004-12-27 14:15:29 +08:00
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#endif
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2018-04-29 08:45:03 +08:00
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#ifdef _WIN32
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2010-11-30 02:16:10 +08:00
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#include "Windows/Process.inc"
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2004-12-27 14:15:29 +08:00
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#endif
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