1 //===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares some portable and convenient functions to deal with errno.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_SYSTEM_ERRNO_H
15 #define LLVM_SYSTEM_ERRNO_H
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.
26 std::string StrError();
28 /// Like the no-argument version above, but uses \p errnum instead of errno.
29 std::string StrError(int errnum);
34 #endif // LLVM_SYSTEM_ERRNO_H