1 files changed, 90 insertions, 0 deletions
diff --git a/libglusterfs/src/event.h b/libglusterfs/src/event.h
new file mode 100644
index 00000000000..ec80e2a58ba
--- /dev/null
+++ b/libglusterfs/src/event.h
@@ -0,0 +1,90 @@
+/*
+   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_ */