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)
122 /* for now always define the compat symbols */
123 #ifndef TEVENT_COMPAT_DEFINES
124 #define TEVENT_COMPAT_DEFINES 1
127 #ifdef TEVENT_COMPAT_DEFINES
129 #define event_context tevent_context
130 #define event_ops tevent_ops
131 #define fd_event tevent_fd
132 #define timed_event tevent_timer
133 #define aio_event tevent_aio
134 #define signal_event tevent_signal
136 #define event_fd_handler_t tevent_fd_handler_t
137 #define event_timed_handler_t tevent_timer_handler_t
138 #define event_aio_handler_t tevent_aio_handler_t
139 #define event_signal_handler_t tevent_signal_handler_t
141 #define event_context_init(mem_ctx) \
142 tevent_context_init(mem_ctx)
144 #define event_context_init_byname(mem_ctx, name) \
145 tevent_context_init_byname(mem_ctx, name)
147 #define event_backend_list(mem_ctx) \
148 tevent_backend_list(mem_ctx)
150 #define event_set_default_backend(backend) \
151 tevent_set_default_backend(backend)
153 #define event_add_fd(ev, mem_ctx, fd, flags, handler, private_data) \
154 tevent_add_fd(ev, mem_ctx, fd, flags, handler, private_data)
156 #define event_add_timed(ev, mem_ctx, next_event, handler, private_data) \
157 tevent_add_timer(ev, mem_ctx, next_event, handler, private_data)
159 #define event_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data) \
160 tevent_add_signal(ev, mem_ctx, signum, sa_flags, handler, private_data)
162 #define event_add_aio(ev, mem_ctx, iocb, handler, private_data) \
163 tevent_add_aio(ev, mem_ctx, iocb, handler, private_data)
165 #define event_loop_once(ev) \
168 #define event_loop_wait(ev) \
171 #define event_get_fd_flags(fde) \
172 tevent_fd_get_flags(fde)
174 #define event_set_fd_flags(fde, flags) \
175 tevent_fd_set_flags(fde, flags)
177 #define EVENT_FD_READ TEVENT_FD_READ
178 #define EVENT_FD_WRITE TEVENT_FD_WRITE
179 #define EVENT_FD_AUTOCLOSE TEVENT_FD_AUTOCLOSE
181 #define EVENT_FD_WRITEABLE(fde) \
182 TEVENT_FD_WRITEABLE(fde)
184 #define EVENT_FD_READABLE(fde) \
185 TEVENT_FD_READABLE(fde)
187 #define EVENT_FD_NOT_WRITEABLE(fde) \
188 TEVENT_FD_NOT_WRITEABLE(fde)
190 #define EVENT_FD_NOT_READABLE(fde) \
191 TEVENT_FD_NOT_READABLE(fde)
193 #endif /* TEVENT_COMPAT_DEFINES */
195 #endif /* __TEVENT_H__ */