| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This provides a wrapper around system calls which may be interrupted by a |
| // signal and return EINTR. See man 7 signal. |
| // |
| // On Windows, this wrapper macro does nothing. |
| |
| #ifndef BASE_POSIX_EINTR_WRAPPER_H_ |
| #define BASE_POSIX_EINTR_WRAPPER_H_ |
| |
| #include "build/build_config.h" |
| |
| #if defined(OS_POSIX) && !defined(COBALT_WIN) |
| |
| #include <errno.h> |
| |
| #define HANDLE_EINTR(x) ({ \ |
| typeof(x) __eintr_result__; \ |
| do { \ |
| __eintr_result__ = (x); \ |
| } while (__eintr_result__ == -1 && errno == EINTR); \ |
| __eintr_result__;\ |
| }) |
| |
| #else |
| |
| #define HANDLE_EINTR(x) (x) |
| |
| #endif // OS_POSIX |
| |
| #endif // BASE_POSIX_EINTR_WRAPPER_H_ |