| //===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // This file declares some portable and convenient functions to deal with errno. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef LLVM_SUPPORT_ERRNO_H | |
| #define LLVM_SUPPORT_ERRNO_H | |
| #include <string> | |
| namespace llvm { | |
| namespace sys { | |
| /// Returns a string representation of the errno value, using whatever | |
| /// thread-safe variant of strerror() is available. Be sure to call this | |
| /// immediately after the function that set errno, or errno may have been | |
| /// overwritten by an intervening call. | |
| std::string StrError(); | |
| /// Like the no-argument version above, but uses \p errnum instead of errno. | |
| std::string StrError(int errnum); | |
| } // namespace sys | |
| } // namespace llvm | |
| #endif // LLVM_SYSTEM_ERRNO_H |