xref: /aosp_15_r20/external/cronet/net/base/winsock_util.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1 // Copyright 2011 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef NET_BASE_WINSOCK_UTIL_H_
6 #define NET_BASE_WINSOCK_UTIL_H_
7 
8 #include <winsock2.h>
9 
10 #include <stddef.h>
11 
12 namespace net {
13 
14 // Bluetooth address size. Windows Bluetooth is supported via winsock.
15 static const size_t kBluetoothAddressSize = 6;
16 
17 // If the (manual-reset) event object is signaled, resets it and returns true.
18 // Otherwise, does nothing and returns false.  Called after a Winsock function
19 // succeeds synchronously
20 //
21 // Our testing shows that except in rare cases (when running inside QEMU),
22 // the event object is already signaled at this point, so we call this method
23 // to avoid a context switch in common cases.  This is just a performance
24 // optimization.  The code still works if this function simply returns false.
25 bool ResetEventIfSignaled(WSAEVENT hEvent);
26 
27 }  // namespace net
28 
29 #endif  // NET_BASE_WINSOCK_UTIL_H_
30