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-rw-r--r--libglusterfs/src/event.h90
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diff --git a/libglusterfs/src/event.h b/libglusterfs/src/event.h
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+/*
+ Copyright (c) 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS 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 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS 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, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _EVENT_H_
+#define _EVENT_H_
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include <pthread.h>
+
+struct event_pool;
+struct event_ops;
+struct event_data {
+ int fd;
+ int idx;
+} __attribute__ ((__packed__));
+
+
+typedef int (*event_handler_t) (int fd, int idx, void *data,
+ int poll_in, int poll_out, int poll_err);
+
+struct event_pool {
+ struct event_ops *ops;
+
+ int fd;
+ int breaker[2];
+
+ int count;
+ struct {
+ int fd;
+ int events;
+ void *data;
+ event_handler_t handler;
+ } *reg;
+
+ int used;
+ int idx_cache;
+ int changed;
+
+ pthread_mutex_t mutex;
+ pthread_cond_t cond;
+
+ void *evcache;
+ int evcache_size;
+};
+
+struct event_ops {
+ struct event_pool * (*new) (int count);
+
+ int (*event_register) (struct event_pool *event_pool, int fd,
+ event_handler_t handler,
+ void *data, int poll_in, int poll_out);
+
+ int (*event_select_on) (struct event_pool *event_pool, int fd, int idx,
+ int poll_in, int poll_out);
+
+ int (*event_unregister) (struct event_pool *event_pool, int fd, int idx);
+
+ int (*event_dispatch) (struct event_pool *event_pool);
+};
+
+struct event_pool * event_pool_new (int count);
+int event_select_on (struct event_pool *event_pool, int fd, int idx,
+ int poll_in, int poll_out);
+int event_register (struct event_pool *event_pool, int fd,
+ event_handler_t handler,
+ void *data, int poll_in, int poll_out);
+int event_unregister (struct event_pool *event_pool, int fd, int idx);
+int event_dispatch (struct event_pool *event_pool);
+
+#endif /* _EVENT_H_ */