source/include/event.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    event handling
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Volker Lendecke 2005
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 struct event_context;
  22 struct fd_event;
  23 struct timed_event;
  24
  25 /* bits for file descriptor event flags */
  26 #define EVENT_FD_READ 1
  27 #define EVENT_FD_WRITE 2
  28
  29 /* The following definitions come from lib/events.c  */
  30
  31 struct timed_event *_event_add_timed(struct event_context *event_ctx,
  32                                 TALLOC_CTX *mem_ctx,
  33                                 struct timeval when,
  34                                 const char *event_name,
  35                                 void (*handler)(struct event_context *event_ctx,
  36                                                 struct timed_event *te,
  37                                                 struct timeval now,
  38                                                 void *private_data),
  39                                 void *private_data);
  40 #define event_add_timed(event_ctx, mem_ctx, when, handler, private_data) \
  41         _event_add_timed(event_ctx, mem_ctx, when, #handler, handler, private_data)
  42 struct fd_event *event_add_fd(struct event_context *event_ctx,
  43                               TALLOC_CTX *mem_ctx,
  44                               int fd, uint16_t flags,
  45                               void (*handler)(struct event_context *event_ctx,
  46                                               struct fd_event *event,
  47                                               uint16 flags,
  48                                               void *private_data),
  49                               void *private_data);
  50 void event_fd_set_writeable(struct fd_event *fde);
  51 void event_fd_set_not_writeable(struct fd_event *fde);
  52 void event_fd_set_readable(struct fd_event *fde);
  53 void event_fd_set_not_readable(struct fd_event *fde);
  54 bool event_add_to_select_args(struct event_context *event_ctx,
  55                               const struct timeval *now,
  56                               fd_set *read_fds, fd_set *write_fds,
  57                               struct timeval *timeout, int *maxfd);
  58 bool run_events(struct event_context *event_ctx,
  59                 int selrtn, fd_set *read_fds, fd_set *write_fds);
  60 struct timeval *get_timed_events_timeout(struct event_context *event_ctx,
  61                                          struct timeval *to_ret);
  62 int event_loop_once(struct event_context *ev);
  63 void event_context_reinit(struct event_context *ev);
  64 struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
  65 void dump_event_list(struct event_context *event_ctx);
  66