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/Signals.h" 16 using namespace llvm; 17 18 tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename) 19 : Filename(filename), Keep(false) { 20 // Arrange for the file to be deleted if the process is killed. 21 if (Filename != "-") 22 sys::RemoveFileOnSignal(sys::Path(Filename)); 23 } 24 25 tool_output_file::CleanupInstaller::~CleanupInstaller() { 26 // Delete the file if the client hasn't told us not to. 27 if (!Keep && Filename != "-") 28 sys::Path(Filename).eraseFromDisk(); 29 30 // Ok, the file is successfully written and closed, or deleted. There's no 31 // further need to clean it up on signals. 32 if (Filename != "-") 33 sys::DontRemoveFileOnSignal(sys::Path(Filename)); 34 } 35 36 tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo, 37 unsigned Flags) 38 : Installer(filename), 39 OS(filename, ErrorInfo, Flags) { 40 // If open fails, no cleanup is needed. 41 if (!ErrorInfo.empty()) 42 Installer.Keep = true; 43 } 44
