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c1b49b56d4
This centralizes the handling of O_BINARY and opens the way for hiding more differences (like how open behaves with directories). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186447 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
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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 implements the tool_output_file class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/ToolOutputFile.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Signals.h"
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using namespace llvm;
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tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
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: Filename(filename), Keep(false) {
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// Arrange for the file to be deleted if the process is killed.
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if (Filename != "-")
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sys::RemoveFileOnSignal(Filename);
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}
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tool_output_file::CleanupInstaller::~CleanupInstaller() {
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// Delete the file if the client hasn't told us not to.
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if (!Keep && Filename != "-") {
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bool Existed;
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sys::fs::remove(Filename, Existed);
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}
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// Ok, the file is successfully written and closed, or deleted. There's no
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// further need to clean it up on signals.
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if (Filename != "-")
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sys::DontRemoveFileOnSignal(Filename);
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}
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tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
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sys::fs::OpenFlags Flags)
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: Installer(filename), OS(filename, ErrorInfo, Flags) {
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// If open fails, no cleanup is needed.
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if (!ErrorInfo.empty())
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Installer.Keep = true;
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}
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tool_output_file::tool_output_file(const char *Filename, int FD)
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: Installer(Filename), OS(FD, true) {
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}
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