| //===- llvm/Support/Errno.h - Portable+convenient errno handling -*- C++ -*-===// |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| //===----------------------------------------------------------------------===// |
| // This file declares some portable and convenient functions to deal with errno. |
| //===----------------------------------------------------------------------===// |
| #ifndef LLVM_SUPPORT_ERRNO_H |
| #define LLVM_SUPPORT_ERRNO_H |
| /// 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. |
| /// Like the no-argument version above, but uses \p errnum instead of errno. |
| std::string StrError(int errnum); |
| template <typename FailT, typename Fun, typename... Args> |
| inline decltype(auto) RetryAfterSignal(const FailT &Fail, const Fun &F, |
| } while (Res == Fail && errno == EINTR); |
| #endif // LLVM_SUPPORT_ERRNO_H |