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// 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_EINTR_WRAPPER_H_
#define BASE_EINTR_WRAPPER_H_
#pragma once
#include "build/build_config.h"
#if defined(OS_POSIX)
#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_EINTR_WRAPPER_H_
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