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first public release of samba4 code

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Andrew Tridgell
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source/include/events.h Normal file
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/*
Unix SMB/CIFS implementation.
main select loop and event handling
Copyright (C) Andrew Tridgell 2003
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
please read the comments in events.c before modifying
*/
struct event_context {
/* list of filedescriptor events */
struct fd_event {
struct fd_event *next, *prev;
int fd;
uint16 flags; /* see EVENT_FD_* flags */
void (*handler)(struct event_context *ev, struct fd_event *fde, time_t t, uint16 flags);
void *private;
int ref_count;
} *fd_events;
/* list of timed events */
struct timed_event {
struct timed_event *next, *prev;
time_t next_event;
void (*handler)(struct event_context *ev, struct timed_event *te, time_t t);
void *private;
int ref_count;
} *timed_events;
/* list of loop events - called on each select() */
struct loop_event {
struct loop_event *next, *prev;
void (*handler)(struct event_context *ev, struct loop_event *le, time_t t);
void *private;
int ref_count;
} *loop_events;
/* list of signal events */
struct signal_event {
struct signal_event *next, *prev;
int signum;
void (*handler)(struct event_context *ev, struct signal_event *se, int signum, void *sigarg);
void *private;
int ref_count;
} *signal_events;
/* the maximum file descriptor number in fd_events */
int maxfd;
/* information for exiting from the event loop */
struct {
BOOL exit_now;
int code;
} exit;
};
/* bits for fd_event.flags */
#define EVENT_FD_READ 1
#define EVENT_FD_WRITE 2