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/FileSystem.h" 16 #include "llvm/Support/Signals.h" 17 using namespace llvm; 18 19 tool_output_file::CleanupInstaller::CleanupInstaller(StringRef 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::fs::remove(Filename); 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(StringRef Filename, std::error_code &EC, 38 sys::fs::OpenFlags Flags) 39 : Installer(Filename), OS(Filename, EC, Flags) { 40 // If open fails, no cleanup is needed. 41 if (EC) 42 Installer.Keep = true; 43 } 44 45 tool_output_file::tool_output_file(StringRef Filename, int FD) 46 : Installer(Filename), OS(FD, true) {} 47
