2 Unix SMB/CIFS implementation.
4 generalised event loop handling
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 /* event handler types */
32 typedef void (*event_fd_handler_t)(struct event_context *, struct fd_event *,
34 typedef void (*event_timed_handler_t)(struct event_context *, struct timed_event *,
35 struct timeval , void *);
37 struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
38 struct event_context *event_context_init_ops(TALLOC_CTX *mem_ctx, const struct event_ops *ops, void *private_data);
40 struct fd_event *event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx,
41 int fd, uint16_t flags, event_fd_handler_t handler,
44 struct timed_event *event_add_timed(struct event_context *ev, TALLOC_CTX *mem_ctx,
45 struct timeval next_event,
46 event_timed_handler_t handler,
49 int event_loop_once(struct event_context *ev);
50 int event_loop_wait(struct event_context *ev);
52 uint16_t event_get_fd_flags(struct fd_event *fde);
53 void event_set_fd_flags(struct fd_event *fde, uint16_t flags);
55 struct event_context *event_context_find(TALLOC_CTX *mem_ctx);
57 /* bits for file descriptor event flags */
58 #define EVENT_FD_READ 1
59 #define EVENT_FD_WRITE 2
61 #define EVENT_FD_WRITEABLE(fde) \
62 event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_WRITE)
63 #define EVENT_FD_READABLE(fde) \
64 event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_READ)
66 #define EVENT_FD_NOT_WRITEABLE(fde) \
67 event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_WRITE)
68 #define EVENT_FD_NOT_READABLE(fde) \
69 event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_READ)
71 #endif /* __EVENTS_H__ */