diff options
| author | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
|---|---|---|
| committer | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
| commit | 679147eead574d186ebf3069647b4c23e8ccace6 (patch) | |
| tree | fc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/net/base/winsock_util.h | |
Initial import.
Diffstat (limited to 'chromium/net/base/winsock_util.h')
| -rw-r--r-- | chromium/net/base/winsock_util.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/chromium/net/base/winsock_util.h b/chromium/net/base/winsock_util.h new file mode 100644 index 00000000000..06ac448a817 --- /dev/null +++ b/chromium/net/base/winsock_util.h @@ -0,0 +1,49 @@ +// Copyright (c) 2011 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. + +#ifndef NET_BASE_WINSOCK_UTIL_H_ +#define NET_BASE_WINSOCK_UTIL_H_ + +#include <winsock2.h> + +#include "net/base/net_export.h" + +namespace net { + +// Assert that the (manual-reset) event object is not signaled. +void AssertEventNotSignaled(WSAEVENT hEvent); + +// If the (manual-reset) event object is signaled, resets it and returns true. +// Otherwise, does nothing and returns false. Called after a Winsock function +// succeeds synchronously +// +// Our testing shows that except in rare cases (when running inside QEMU), +// the event object is already signaled at this point, so we call this method +// to avoid a context switch in common cases. This is just a performance +// optimization. The code still works if this function simply returns false. +bool ResetEventIfSignaled(WSAEVENT hEvent); + +// Interface to create Windows Socket. +// Usually such factories are used for testing purposes, which is not true in +// this case. This interface is used to substitute WSASocket to make possible +// execution of some network code in sandbox. +class NET_EXPORT PlatformSocketFactory { + public: + PlatformSocketFactory() {} + virtual ~PlatformSocketFactory() {} + + // Creates Windows socket. See WSASocket documentation of parameters. + virtual SOCKET CreateSocket(int family, int type, int protocol) = 0; + + // Replace WSASocket with given factory. The factory will be used by + // CreatePlatformSocket. + static void SetInstance(PlatformSocketFactory* factory); +}; + +// Creates Windows Socket. See WSASocket documentation of parameters. +SOCKET CreatePlatformSocket(int family, int type, int protocol); + +} // namespace net + +#endif // NET_BASE_WINSOCK_UTIL_H_ |