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Diffstat (limited to 'src/event/PollGroupPoll.hxx')
-rw-r--r-- | src/event/PollGroupPoll.hxx | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/event/PollGroupPoll.hxx b/src/event/PollGroupPoll.hxx new file mode 100644 index 000000000..6c69787ac --- /dev/null +++ b/src/event/PollGroupPoll.hxx @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2003-2013 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_EVENT_POLLGROUP_POLL_HXX +#define MPD_EVENT_POLLGROUP_POLL_HXX + +#include "check.h" +#include "PollResultGeneric.hxx" + +#include <vector> +#include <unordered_map> + +#include <stddef.h> +#include <sys/poll.h> + +class PollGroupPoll +{ + struct Item + { + size_t index; + void *obj; + }; + + std::vector<pollfd> poll_events; + std::unordered_map<int, Item> items; + + PollGroupPoll(PollGroupPoll &) = delete; + PollGroupPoll &operator=(PollGroupPoll &) = delete; +public: + static constexpr unsigned READ = POLLIN; + static constexpr unsigned WRITE = POLLOUT; + static constexpr unsigned ERROR = POLLERR; + static constexpr unsigned HANGUP = POLLHUP; + + PollGroupPoll(); + ~PollGroupPoll(); + + void ReadEvents(PollResultGeneric &result, int timeout_ms); + bool Add(int fd, unsigned events, void *obj); + bool Modify(int fd, unsigned events, void *obj); + bool Remove(int fd); + bool Abandon(int fd) { + return Remove(fd); + } +}; + +#endif |