1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/chromium/src/base/eintr_wrapper.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,33 @@
1.4 +// Copyright (c) 2009 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +// This provides a wrapper around system calls which may be interrupted by a
1.9 +// signal and return EINTR. See man 7 signal.
1.10 +//
1.11 +// On Windows, this wrapper macro does nothing.
1.12 +
1.13 +#ifndef BASE_EINTR_WRAPPER_H_
1.14 +#define BASE_EINTR_WRAPPER_H_
1.15 +
1.16 +#include "build/build_config.h"
1.17 +
1.18 +#if defined(OS_POSIX)
1.19 +
1.20 +#include <errno.h>
1.21 +
1.22 +#define HANDLE_EINTR(x) ({ \
1.23 + typeof(x) __eintr_result__; \
1.24 + do { \
1.25 + __eintr_result__ = x; \
1.26 + } while (__eintr_result__ == -1 && errno == EINTR); \
1.27 + __eintr_result__;\
1.28 +})
1.29 +
1.30 +#else
1.31 +
1.32 +#define HANDLE_EINTR(x) x
1.33 +
1.34 +#endif // OS_POSIX
1.35 +
1.36 +#endif // !BASE_EINTR_WRAPPER_H_
