Errno.h revision 218885
1//===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===// 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 file declares some portable and convenient functions to deal with errno. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_SYSTEM_ERRNO_H 15#define LLVM_SYSTEM_ERRNO_H 16 17#include <string> 18 19namespace llvm { 20namespace sys { 21 22/// Returns a string representation of the errno value, using whatever 23/// thread-safe variant of strerror() is available. Be sure to call this 24/// immediately after the function that set errno, or errno may have been 25/// overwritten by an intervening call. 26std::string StrError(); 27 28/// Like the no-argument version above, but uses \p errnum instead of errno. 29std::string StrError(int errnum); 30 31} // namespace sys 32} // namespace llvm 33 34#endif // LLVM_SYSTEM_ERRNO_H 35