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/>.
28 struct tevent_context;
35 /* event handler types */
36 typedef void (*tevent_fd_handler_t)(struct tevent_context *ev,
37 struct tevent_fd *fde,
40 typedef void (*tevent_timer_handler_t)(struct tevent_context *ev,
41 struct tevent_timer *te,
42 struct timeval current_time,
44 typedef void (*tevent_signal_handler_t)(struct tevent_context *ev,
45 struct tevent_signal *se,
50 typedef void (*tevent_aio_handler_t)(struct tevent_context *ev,
51 struct tevent_aio *ae,
55 struct tevent_context *tevent_context_init(TALLOC_CTX *mem_ctx);
56 struct tevent_context *tevent_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
57 const char **tevent_backend_list(TALLOC_CTX *mem_ctx);
58 void tevent_set_default_backend(const char *backend);
60 struct tevent_fd *_tevent_add_fd(struct tevent_context *ev,
64 tevent_fd_handler_t handler,
66 const char *handler_name,
67 const char *location);
68 #define tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
69 _tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data, \
70 #handler, __location__)
72 struct tevent_timer *_tevent_add_timer(struct tevent_context *ev,
74 struct timeval next_event,
75 tevent_timer_handler_t handler,
77 const char *handler_name,
78 const char *location);
79 #define tevent_add_timer(ev, mem_ctx, next_event, handler, private_data) \
80 _tevent_add_timer(ev, mem_ctx, next_event, handler, private_data, \
81 #handler, __location__);
83 struct tevent_signal *_tevent_add_signal(struct tevent_context *ev,
87 tevent_signal_handler_t handler,
89 const char *handler_name,
90 const char *location);
91 #define tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
92 _tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data, \
93 #handler, __location__)
96 struct tevent_aio *_tevent_add_aio(struct tevent_context *ev,
99 tevent_aio_handler_t handler,
101 const char *handler_name,
102 const char *location);
103 #define tevent_add_aio(ev, mem_ctx, iocb, handler, private_data) \
104 _tevent_add_aio(ev, mem_ctx, iocb, handler, private_data, \
105 #handler, __location__);
107 int tevent_loop_once(struct tevent_context *ev);
108 int tevent_loop_wait(struct tevent_context *ev);
110 uint16_t tevent_fd_get_flags(struct tevent_fd *fde);
111 void tevent_fd_set_flags(struct tevent_fd *fde, uint16_t flags);
113 /* bits for file descriptor event flags */
114 #define TEVENT_FD_READ 1
115 #define TEVENT_FD_WRITE 2
116 #define TEVENT_FD_AUTOCLOSE 4
118 #define TEVENT_FD_WRITEABLE(fde) \
119 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_WRITE)
120 #define TEVENT_FD_READABLE(fde) \
121 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_READ)
123 #define TEVENT_FD_NOT_WRITEABLE(fde) \
124 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_WRITE)
125 #define TEVENT_FD_NOT_READABLE(fde) \
126 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_READ)
129 enum tevent_debug_level {
132 TEVENT_DEBUG_WARNING,
136 int tevent_set_debug(struct tevent_context *ev,
137 void (*debug)(void *context,
138 enum tevent_debug_level level,
140 va_list ap) PRINTF_ATTRIBUTE(3,0),
142 int tevent_set_debug_stderr(struct tevent_context *ev);
144 #ifdef TEVENT_COMPAT_DEFINES
146 #define event_context tevent_context
147 #define event_ops tevent_ops
148 #define fd_event tevent_fd
149 #define timed_event tevent_timer
150 #define aio_event tevent_aio
151 #define signal_event tevent_signal
153 #define event_fd_handler_t tevent_fd_handler_t
154 #define event_timed_handler_t tevent_timer_handler_t
155 #define event_aio_handler_t tevent_aio_handler_t
156 #define event_signal_handler_t tevent_signal_handler_t
158 #define event_context_init(mem_ctx) \
159 tevent_context_init(mem_ctx)
161 #define event_context_init_byname(mem_ctx, name) \
162 tevent_context_init_byname(mem_ctx, name)
164 #define event_backend_list(mem_ctx) \
165 tevent_backend_list(mem_ctx)
167 #define event_set_default_backend(backend) \
168 tevent_set_default_backend(backend)
170 #define event_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
171 tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data)
173 #define event_add_timed(ev, mem_ctx, next_event, handler, private_data) \
174 tevent_add_timer(ev, mem_ctx, next_event, handler, private_data)
176 #define event_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
177 tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data)
179 #define event_add_aio(ev, mem_ctx, iocb, handler, private_data) \
180 tevent_add_aio(ev, mem_ctx, iocb, handler, private_data)
182 #define event_loop_once(ev) \
185 #define event_loop_wait(ev) \
188 #define event_get_fd_flags(fde) \
189 tevent_fd_get_flags(fde)
191 #define event_set_fd_flags(fde, flags) \
192 tevent_fd_set_flags(fde, flags)
194 #define EVENT_FD_READ TEVENT_FD_READ
195 #define EVENT_FD_WRITE TEVENT_FD_WRITE
196 #define EVENT_FD_AUTOCLOSE TEVENT_FD_AUTOCLOSE
198 #define EVENT_FD_WRITEABLE(fde) \
199 TEVENT_FD_WRITEABLE(fde)
201 #define EVENT_FD_READABLE(fde) \
202 TEVENT_FD_READABLE(fde)
204 #define EVENT_FD_NOT_WRITEABLE(fde) \
205 TEVENT_FD_NOT_WRITEABLE(fde)
207 #define EVENT_FD_NOT_READABLE(fde) \
208 TEVENT_FD_NOT_READABLE(fde)
210 #define ev_debug_level tevent_debug_level
212 #define EV_DEBUG_FATAL TEVENT_DEBUG_FATAL
213 #define EV_DEBUG_ERROR TEVENT_DEBUG_ERROR
214 #define EV_DEBUG_WARNING TEVENT_DEBUG_WARNING
215 #define EV_DEBUG_TRACE TEVENT_DEBUG_TRACE
217 #define ev_set_debug(ev, debug, context) \
218 tevent_set_debug(ev, debug, context)
220 #define ev_set_debug_stderr(_ev) tevent_set_debug_stderr(ev)
222 #endif /* TEVENT_COMPAT_DEFINES */
224 #endif /* __TEVENT_H__ */