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//===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This implements the tool_output_file class.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Signals.h"
using namespace llvm;
tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
: Filename(filename), Keep(false) {
// Arrange for the file to be deleted if the process is killed.
if (Filename != "-")
sys::RemoveFileOnSignal(Filename);
}
tool_output_file::CleanupInstaller::~CleanupInstaller() {
// Delete the file if the client hasn't told us not to.
if (!Keep && Filename != "-")
sys::fs::remove(Filename);
// Ok, the file is successfully written and closed, or deleted. There's no
// further need to clean it up on signals.
if (Filename != "-")
sys::DontRemoveFileOnSignal(Filename);
}
tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
sys::fs::OpenFlags Flags)
: Installer(filename), OS(filename, ErrorInfo, Flags) {
// If open fails, no cleanup is needed.
if (!ErrorInfo.empty())
Installer.Keep = true;
}
tool_output_file::tool_output_file(const char *Filename, int FD)
: Installer(Filename), OS(FD, true) {
}
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