Revert "Remove a use of PathV1.h."
[oota-llvm.git] / lib / Support / ToolOutputFile.cpp
1 //===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This implements the tool_output_file class.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/Support/ToolOutputFile.h"
15 #include "llvm/Support/PathV1.h"
16 #include "llvm/Support/Signals.h"
17 using namespace llvm;
18
19 tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
20   : Filename(filename), Keep(false) {
21   // Arrange for the file to be deleted if the process is killed.
22   if (Filename != "-")
23     sys::RemoveFileOnSignal(Filename);
24 }
25
26 tool_output_file::CleanupInstaller::~CleanupInstaller() {
27   // Delete the file if the client hasn't told us not to.
28   if (!Keep && Filename != "-")
29     sys::Path(Filename).eraseFromDisk();
30
31   // Ok, the file is successfully written and closed, or deleted. There's no
32   // further need to clean it up on signals.
33   if (Filename != "-")
34     sys::DontRemoveFileOnSignal(Filename);
35 }
36
37 tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
38                                    unsigned Flags)
39   : Installer(filename),
40     OS(filename, ErrorInfo, Flags) {
41   // If open fails, no cleanup is needed.
42   if (!ErrorInfo.empty())
43     Installer.Keep = true;
44 }
45
46 tool_output_file::tool_output_file(const char *Filename, int FD)
47     : Installer(Filename), OS(FD, true) {
48 }