mirror of
https://github.com/rsmarples/dhcpcd.git
synced 2024-11-28 20:43:54 +08:00
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
|
|
* dhcpcd - DHCP client daemon
|
|
* Copyright (c) 2006-2014 Roy Marples <roy@marples.name>
|
|
* All rights reserved
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef ELOOP_H
|
|
#define ELOOP_H
|
|
|
|
#include <time.h>
|
|
|
|
#ifndef ELOOP_QUEUE
|
|
#define ELOOP_QUEUE 1
|
|
#endif
|
|
|
|
/* EXIT_FAILURE is a non zero value and EXIT_SUCCESS is zero.
|
|
* To add a CONTINUE definition, simply do the opposite of EXIT_FAILURE. */
|
|
#define ELOOP_CONTINUE -EXIT_FAILURE
|
|
|
|
struct eloop_event {
|
|
TAILQ_ENTRY(eloop_event) next;
|
|
int fd;
|
|
void (*read_cb)(void *);
|
|
void *read_cb_arg;
|
|
void (*write_cb)(void *);
|
|
void *write_cb_arg;
|
|
struct pollfd *pollfd;
|
|
};
|
|
|
|
struct eloop_timeout {
|
|
TAILQ_ENTRY(eloop_timeout) next;
|
|
struct timeval when;
|
|
void (*callback)(void *);
|
|
void *arg;
|
|
int queue;
|
|
};
|
|
|
|
struct eloop_ctx {
|
|
size_t events_len;
|
|
TAILQ_HEAD (event_head, eloop_event) events;
|
|
struct event_head free_events;
|
|
|
|
TAILQ_HEAD (timeout_head, eloop_timeout) timeouts;
|
|
struct timeout_head free_timeouts;
|
|
|
|
void (*timeout0)(void *);
|
|
void *timeout0_arg;
|
|
|
|
struct pollfd *fds;
|
|
size_t fds_len;
|
|
|
|
int exitnow;
|
|
int exitcode;
|
|
};
|
|
|
|
#define eloop_timeout_add_tv(a, b, c, d) \
|
|
eloop_q_timeout_add_tv(a, ELOOP_QUEUE, b, c, d)
|
|
#define eloop_timeout_add_sec(a, b, c, d) \
|
|
eloop_q_timeout_add_sec(a, ELOOP_QUEUE, b, c, d)
|
|
#define eloop_timeout_delete(a, b, c) \
|
|
eloop_q_timeout_delete(a, ELOOP_QUEUE, b, c)
|
|
|
|
int eloop_event_add(struct eloop_ctx *, int,
|
|
void (*)(void *), void *,
|
|
void (*)(void *), void *);
|
|
void eloop_event_delete(struct eloop_ctx *, int, int);
|
|
int eloop_q_timeout_add_sec(struct eloop_ctx *, int queue,
|
|
time_t, void (*)(void *), void *);
|
|
int eloop_q_timeout_add_tv(struct eloop_ctx *, int queue,
|
|
const struct timeval *, void (*)(void *), void *);
|
|
int eloop_timeout_add_now(struct eloop_ctx *, void (*)(void *), void *);
|
|
void eloop_q_timeout_delete(struct eloop_ctx *, int, void (*)(void *), void *);
|
|
struct eloop_ctx * eloop_init(void);
|
|
void eloop_free(struct eloop_ctx *);
|
|
void eloop_exit(struct eloop_ctx *, int);
|
|
int eloop_start(struct dhcpcd_ctx *);
|
|
|
|
#endif
|