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 *,
39 typedef void (*tevent_timer_handler_t)(struct tevent_context *,
40 struct tevent_timer *,
41 struct timeval , void *);
42 typedef void (*tevent_signal_handler_t)(struct tevent_context *,
43 struct tevent_signal *,
44 int , int, void *, void *);
45 typedef void (*tevent_aio_handler_t)(struct tevent_context *,
49 struct tevent_context *tevent_context_init(TALLOC_CTX *mem_ctx);
50 struct tevent_context *tevent_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
51 const char **tevent_backend_list(TALLOC_CTX *mem_ctx);
52 void tevent_set_default_backend(const char *backend);
54 struct tevent_fd *_tevent_add_fd(struct tevent_context *ev,
58 tevent_fd_handler_t handler,
60 const char *handler_name,
61 const char *location);
62 #define tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
63 _tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data, \
64 #handler, __location__)
66 struct tevent_timer *_tevent_add_timer(struct tevent_context *ev,
68 struct timeval next_event,
69 tevent_timer_handler_t handler,
71 const char *handler_name,
72 const char *location);
73 #define tevent_add_timer(ev, mem_ctx, next_event, handler, private_data) \
74 _tevent_add_timer(ev, mem_ctx, next_event, handler, private_data, \
75 #handler, __location__);
77 struct tevent_signal *_tevent_add_signal(struct tevent_context *ev,
81 tevent_signal_handler_t handler,
83 const char *handler_name,
84 const char *location);
85 #define tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
86 _tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data, \
87 #handler, __location__)
90 struct tevent_aio *_tevent_add_aio(struct tevent_context *ev,
93 tevent_aio_handler_t handler,
95 const char *handler_name,
96 const char *location);
97 #define tevent_add_aio(ev, mem_ctx, iocb, handler, private_data) \
98 _tevent_add_aio(ev, mem_ctx, iocb, handler, private_data, \
99 #handler, __location__);
101 int tevent_loop_once(struct tevent_context *ev);
102 int tevent_loop_wait(struct tevent_context *ev);
104 uint16_t tevent_fd_get_flags(struct tevent_fd *fde);
105 void tevent_fd_set_flags(struct tevent_fd *fde, uint16_t flags);
107 /* bits for file descriptor event flags */
108 #define TEVENT_FD_READ 1
109 #define TEVENT_FD_WRITE 2
110 #define TEVENT_FD_AUTOCLOSE 4
112 #define TEVENT_FD_WRITEABLE(fde) \
113 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_WRITE)
114 #define TEVENT_FD_READABLE(fde) \
115 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) | TEVENT_FD_READ)
117 #define TEVENT_FD_NOT_WRITEABLE(fde) \
118 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_WRITE)
119 #define TEVENT_FD_NOT_READABLE(fde) \
120 tevent_fd_set_flags(fde, tevent_fd_get_flags(fde) & ~TEVENT_FD_READ)
123 enum tevent_debug_level {
126 TEVENT_DEBUG_WARNING,
130 int tevent_set_debug(struct tevent_context *ev,
131 void (*debug)(void *context,
132 enum tevent_debug_level level,
134 va_list ap) PRINTF_ATTRIBUTE(3,0),
136 int tevent_set_debug_stderr(struct tevent_context *ev);
138 /* for now always define the compat symbols */
139 #ifndef TEVENT_COMPAT_DEFINES
140 #define TEVENT_COMPAT_DEFINES 1
143 #ifdef TEVENT_COMPAT_DEFINES
145 #define event_context tevent_context
146 #define event_ops tevent_ops
147 #define fd_event tevent_fd
148 #define timed_event tevent_timer
149 #define aio_event tevent_aio
150 #define signal_event tevent_signal
152 #define event_fd_handler_t tevent_fd_handler_t
153 #define event_timed_handler_t tevent_timer_handler_t
154 #define event_aio_handler_t tevent_aio_handler_t
155 #define event_signal_handler_t tevent_signal_handler_t
157 #define event_context_init(mem_ctx) \
158 tevent_context_init(mem_ctx)
160 #define event_context_init_byname(mem_ctx, name) \
161 tevent_context_init_byname(mem_ctx, name)
163 #define event_backend_list(mem_ctx) \
164 tevent_backend_list(mem_ctx)
166 #define event_set_default_backend(backend) \
167 tevent_set_default_backend(backend)
169 #define event_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
170 tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data)
172 #define event_add_timed(ev, mem_ctx, next_event, handler, private_data) \
173 tevent_add_timer(ev, mem_ctx, next_event, handler, private_data)
175 #define event_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
176 tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data)
178 #define event_add_aio(ev, mem_ctx, iocb, handler, private_data) \
179 tevent_add_aio(ev, mem_ctx, iocb, handler, private_data)
181 #define event_loop_once(ev) \
184 #define event_loop_wait(ev) \
187 #define event_get_fd_flags(fde) \
188 tevent_fd_get_flags(fde)
190 #define event_set_fd_flags(fde, flags) \
191 tevent_fd_set_flags(fde, flags)
193 #define EVENT_FD_READ TEVENT_FD_READ
194 #define EVENT_FD_WRITE TEVENT_FD_WRITE
195 #define EVENT_FD_AUTOCLOSE TEVENT_FD_AUTOCLOSE
197 #define EVENT_FD_WRITEABLE(fde) \
198 TEVENT_FD_WRITEABLE(fde)
200 #define EVENT_FD_READABLE(fde) \
201 TEVENT_FD_READABLE(fde)
203 #define EVENT_FD_NOT_WRITEABLE(fde) \
204 TEVENT_FD_NOT_WRITEABLE(fde)
206 #define EVENT_FD_NOT_READABLE(fde) \
207 TEVENT_FD_NOT_READABLE(fde)
209 #define ev_debug_level tevent_debug_level
211 #define EV_DEBUG_FATAL TEVENT_DEBUG_FATAL
212 #define EV_DEBUG_ERROR TEVENT_DEBUG_ERROR
213 #define EV_DEBUG_WARNING TEVENT_DEBUG_WARNING
214 #define EV_DEBUG_TRACE TEVENT_DEBUG_TRACE
216 #define ev_set_debug(ev, debug, context) \
217 tevent_set_debug(ev, debug, context)
219 #define ev_set_debug_stderr(_ev) tevent_set_debug_stderr(ev)
221 #endif /* TEVENT_COMPAT_DEFINES */
223 #endif /* __TEVENT_H__ */