1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/unixfd/UnixFdWatcher.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,69 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_ipc_UnixFdWatcher_h
1.11 +#define mozilla_ipc_UnixFdWatcher_h
1.12 +
1.13 +#include "base/message_loop.h"
1.14 +#include "mozilla/FileUtils.h"
1.15 +
1.16 +namespace mozilla {
1.17 +namespace ipc {
1.18 +
1.19 +class UnixFdWatcher : public MessageLoopForIO::Watcher
1.20 +{
1.21 +public:
1.22 + enum {
1.23 + READ_WATCHER = 1<<0,
1.24 + WRITE_WATCHER = 1<<1
1.25 + };
1.26 +
1.27 + virtual ~UnixFdWatcher();
1.28 +
1.29 + MessageLoop* GetIOLoop() const
1.30 + {
1.31 + return mIOLoop;
1.32 + }
1.33 +
1.34 + int GetFd() const
1.35 + {
1.36 + return mFd;
1.37 + }
1.38 +
1.39 + bool IsOpen() const
1.40 + {
1.41 + return GetFd() >= 0;
1.42 + }
1.43 +
1.44 + virtual void Close();
1.45 +
1.46 + void AddWatchers(unsigned long aWatchers, bool aPersistent);
1.47 + void RemoveWatchers(unsigned long aWatchers);
1.48 +
1.49 + // Callback method that's run before closing the file descriptor
1.50 + virtual void OnClose() {};
1.51 +
1.52 + // Callback method that's run on POSIX errors
1.53 + virtual void OnError(const char* aFunction, int aErrno);
1.54 +
1.55 +protected:
1.56 + UnixFdWatcher(MessageLoop* aIOLoop);
1.57 + UnixFdWatcher(MessageLoop* aIOLoop, int aFd);
1.58 + void SetFd(int aFd);
1.59 +
1.60 +private:
1.61 + static bool FdIsNonBlocking(int aFd);
1.62 +
1.63 + MessageLoop* mIOLoop;
1.64 + ScopedClose mFd;
1.65 + MessageLoopForIO::FileDescriptorWatcher mReadWatcher;
1.66 + MessageLoopForIO::FileDescriptorWatcher mWriteWatcher;
1.67 +};
1.68 +
1.69 +}
1.70 +}
1.71 +
1.72 +#endif
