samba-mirror/source3/include/event.h

/*
   Unix SMB/CIFS implementation.
   event handling
   Copyright (C) Andrew Tridgell 1992-1998
   Copyright (C) Volker Lendecke 2005

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

struct event_context;
struct fd_event;
struct timed_event;

/* bits for file descriptor event flags */
#define EVENT_FD_READ 1
#define EVENT_FD_WRITE 2

/* The following definitions come from lib/events.c  */

struct timed_event *_event_add_timed(struct event_context *event_ctx,
				TALLOC_CTX *mem_ctx,
				struct timeval when,
				const char *event_name,
				void (*handler)(struct event_context *event_ctx,
						struct timed_event *te,
						struct timeval now,
						void *private_data),
				void *private_data);
#define event_add_timed(event_ctx, mem_ctx, when, handler, private_data) \
	_event_add_timed(event_ctx, mem_ctx, when, #handler, handler, private_data)
struct fd_event *event_add_fd(struct event_context *event_ctx,
			      TALLOC_CTX *mem_ctx,
			      int fd, uint16_t flags,
			      void (*handler)(struct event_context *event_ctx,
					      struct fd_event *event,
					      uint16 flags,
					      void *private_data),
			      void *private_data);
void event_fd_set_writeable(struct fd_event *fde);
void event_fd_set_not_writeable(struct fd_event *fde);
void event_fd_set_readable(struct fd_event *fde);
void event_fd_set_not_readable(struct fd_event *fde);
bool event_add_to_select_args(struct event_context *event_ctx,
			      const struct timeval *now,
			      fd_set *read_fds, fd_set *write_fds,
			      struct timeval *timeout, int *maxfd);
bool run_events(struct event_context *event_ctx,
		int selrtn, fd_set *read_fds, fd_set *write_fds);
struct timeval *get_timed_events_timeout(struct event_context *event_ctx,
					 struct timeval *to_ret);
int event_loop_once(struct event_context *ev);
void event_context_reinit(struct event_context *ev);
struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
void dump_event_list(struct event_context *event_ctx);