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32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_BASE_WINSOCK_UTIL_H_
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#define NET_BASE_WINSOCK_UTIL_H_
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#include <stddef.h>
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#include <winsock2.h>
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namespace net {
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// Bluetooth address size. Windows Bluetooth is supported via winsock.
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static const size_t kBluetoothAddressSize = 6;
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// Assert that the (manual-reset) event object is not signaled.
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void AssertEventNotSignaled(WSAEVENT hEvent);
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// If the (manual-reset) event object is signaled, resets it and returns true.
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// Otherwise, does nothing and returns false. Called after a Winsock function
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// succeeds synchronously
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//
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// Our testing shows that except in rare cases (when running inside QEMU),
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// the event object is already signaled at this point, so we call this method
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// to avoid a context switch in common cases. This is just a performance
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// optimization. The code still works if this function simply returns false.
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bool ResetEventIfSignaled(WSAEVENT hEvent);
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} // namespace net
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#endif // NET_BASE_WINSOCK_UTIL_H_
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