1218885Sdim//===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===//
2218885Sdim//
3218885Sdim//                     The LLVM Compiler Infrastructure
4218885Sdim//
5218885Sdim// This file is distributed under the University of Illinois Open Source
6218885Sdim// License. See LICENSE.TXT for details.
7218885Sdim//
8218885Sdim//===----------------------------------------------------------------------===//
9218885Sdim//
10218885Sdim// This file declares some portable and convenient functions to deal with errno.
11218885Sdim//
12218885Sdim//===----------------------------------------------------------------------===//
13218885Sdim
14249423Sdim#ifndef LLVM_SUPPORT_ERRNO_H
15249423Sdim#define LLVM_SUPPORT_ERRNO_H
16218885Sdim
17218885Sdim#include <string>
18218885Sdim
19218885Sdimnamespace llvm {
20218885Sdimnamespace sys {
21218885Sdim
22218885Sdim/// Returns a string representation of the errno value, using whatever
23218885Sdim/// thread-safe variant of strerror() is available.  Be sure to call this
24218885Sdim/// immediately after the function that set errno, or errno may have been
25218885Sdim/// overwritten by an intervening call.
26218885Sdimstd::string StrError();
27218885Sdim
28218885Sdim/// Like the no-argument version above, but uses \p errnum instead of errno.
29218885Sdimstd::string StrError(int errnum);
30218885Sdim
31218885Sdim}  // namespace sys
32218885Sdim}  // namespace llvm
33218885Sdim
34218885Sdim#endif  // LLVM_SYSTEM_ERRNO_H
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