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 3 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, see <http://www.gnu.org/licenses/>.
35 /* event handler types */
36 typedef void (*event_fd_handler_t)(struct event_context *, struct fd_event *,
38 typedef void (*event_timed_handler_t)(struct event_context *, struct timed_event *,
39 struct timeval , void *);
40 typedef void (*event_signal_handler_t)(struct event_context *, struct signal_event *,
41 int , int, void *, void *);
42 typedef void (*event_aio_handler_t)(struct event_context *, struct aio_event *,
46 struct event_context *s4_event_context_init(TALLOC_CTX *mem_ctx);
49 struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
50 struct event_context *event_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
51 const char **event_backend_list(TALLOC_CTX *mem_ctx);
52 void event_set_default_backend(const char *backend);
54 struct fd_event *event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx,
55 int fd, uint16_t flags, event_fd_handler_t handler,
58 struct timed_event *event_add_timed(struct event_context *ev, TALLOC_CTX *mem_ctx,
59 struct timeval next_event,
60 event_timed_handler_t handler,
63 struct signal_event *event_add_signal(struct event_context *ev, TALLOC_CTX *mem_ctx,
64 int signum, int sa_flags,
65 event_signal_handler_t handler,
69 struct aio_event *event_add_aio(struct event_context *ev,
72 event_aio_handler_t handler,
75 int event_loop_once(struct event_context *ev);
76 int event_loop_wait(struct event_context *ev);
78 uint16_t event_get_fd_flags(struct fd_event *fde);
79 void event_set_fd_flags(struct fd_event *fde, uint16_t flags);
81 struct event_context *event_context_find(TALLOC_CTX *mem_ctx);
83 /* bits for file descriptor event flags */
84 #define EVENT_FD_READ 1
85 #define EVENT_FD_WRITE 2
86 #define EVENT_FD_AUTOCLOSE 4
88 #define EVENT_FD_WRITEABLE(fde) \
89 event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_WRITE)
90 #define EVENT_FD_READABLE(fde) \
91 event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_READ)
93 #define EVENT_FD_NOT_WRITEABLE(fde) \
94 event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_WRITE)
95 #define EVENT_FD_NOT_READABLE(fde) \
96 event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_READ)
98 #endif /* __TEVENT_H__ */