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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'ipc/chromium/src/base/eintr_wrapper.h')
-rw-r--r--ipc/chromium/src/base/eintr_wrapper.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/eintr_wrapper.h b/ipc/chromium/src/base/eintr_wrapper.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+// Copyright (c) 2009 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_
+
+#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_