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/*
Unix SMB/CIFS implementation.
generalised event loop handling
Internal structs
Copyright (C) Stefan Metzmacher 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 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.
*/
struct event_ops {
/* conntext init */
int (*context_init)(struct event_context *ev, void *private_data);
/* fd_event functions */
struct fd_event *(*add_fd)(struct event_context *ev,
TALLOC_CTX *mem_ctx,
int fd, uint16_t flags,
event_fd_handler_t handler,
void *private_data);
uint16_t (*get_fd_flags)(struct fd_event *fde);
void (*set_fd_flags)(struct fd_event *fde, uint16_t flags);
/* timed_event functions */
struct timed_event *(*add_timed)(struct event_context *ev,
TALLOC_CTX *mem_ctx,
struct timeval next_event,
event_timed_handler_t handler,
void *private_data);
/* loop functions */
int (*loop_once)(struct event_context *ev);
int (*loop_wait)(struct event_context *ev);
};
struct fd_event {
struct fd_event *prev, *next;
struct event_context *event_ctx;
int fd;
uint16_t flags; /* see EVENT_FD_* flags */
event_fd_handler_t handler;
/* this is private for the specific handler */
void *private_data;
/* this is private for the events_ops implementation */
uint16_t additional_flags;
void *additional_data;
};
struct timed_event {
struct timed_event *prev, *next;
struct event_context *event_ctx;
struct timeval next_event;
event_timed_handler_t handler;
/* this is private for the specific handler */
void *private_data;
/* this is private for the events_ops implementation */
void *additional_data;
};
struct event_context {
/* the specific events implementation */
const struct event_ops *ops;
/* this is private for the events_ops implementation */
void *additional_data;
};
const struct event_ops *event_standard_get_ops(void);
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