xref: /aosp_15_r20/external/cronet/net/base/winsock_util.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2011 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #ifndef NET_BASE_WINSOCK_UTIL_H_
6*6777b538SAndroid Build Coastguard Worker #define NET_BASE_WINSOCK_UTIL_H_
7*6777b538SAndroid Build Coastguard Worker 
8*6777b538SAndroid Build Coastguard Worker #include <winsock2.h>
9*6777b538SAndroid Build Coastguard Worker 
10*6777b538SAndroid Build Coastguard Worker #include <stddef.h>
11*6777b538SAndroid Build Coastguard Worker 
12*6777b538SAndroid Build Coastguard Worker namespace net {
13*6777b538SAndroid Build Coastguard Worker 
14*6777b538SAndroid Build Coastguard Worker // Bluetooth address size. Windows Bluetooth is supported via winsock.
15*6777b538SAndroid Build Coastguard Worker static const size_t kBluetoothAddressSize = 6;
16*6777b538SAndroid Build Coastguard Worker 
17*6777b538SAndroid Build Coastguard Worker // If the (manual-reset) event object is signaled, resets it and returns true.
18*6777b538SAndroid Build Coastguard Worker // Otherwise, does nothing and returns false.  Called after a Winsock function
19*6777b538SAndroid Build Coastguard Worker // succeeds synchronously
20*6777b538SAndroid Build Coastguard Worker //
21*6777b538SAndroid Build Coastguard Worker // Our testing shows that except in rare cases (when running inside QEMU),
22*6777b538SAndroid Build Coastguard Worker // the event object is already signaled at this point, so we call this method
23*6777b538SAndroid Build Coastguard Worker // to avoid a context switch in common cases.  This is just a performance
24*6777b538SAndroid Build Coastguard Worker // optimization.  The code still works if this function simply returns false.
25*6777b538SAndroid Build Coastguard Worker bool ResetEventIfSignaled(WSAEVENT hEvent);
26*6777b538SAndroid Build Coastguard Worker 
27*6777b538SAndroid Build Coastguard Worker }  // namespace net
28*6777b538SAndroid Build Coastguard Worker 
29*6777b538SAndroid Build Coastguard Worker #endif  // NET_BASE_WINSOCK_UTIL_H_
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