libubox/uloop.h
Felix Fietkau 6a8df07590 uloop: do less state/change tracking for kevent() on mac os x, it is unreliable
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
2013-01-04 01:15:48 +01:00

99 lines
2.3 KiB
C

/*
* Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _ULOOP_H__
#define _ULOOP_H__
#include <sys/time.h>
#include <sys/types.h>
#include <stdbool.h>
#include <stdint.h>
#include <signal.h>
#if defined(__APPLE__) || defined(__FreeBSD__)
#define USE_KQUEUE
#else
#define USE_EPOLL
#endif
#include "list.h"
struct uloop_fd;
struct uloop_timeout;
struct uloop_process;
typedef void (*uloop_fd_handler)(struct uloop_fd *u, unsigned int events);
typedef void (*uloop_timeout_handler)(struct uloop_timeout *t);
typedef void (*uloop_process_handler)(struct uloop_process *c, int ret);
#define ULOOP_READ (1 << 0)
#define ULOOP_WRITE (1 << 1)
#define ULOOP_EDGE_TRIGGER (1 << 2)
#define ULOOP_BLOCKING (1 << 3)
struct uloop_fd
{
uloop_fd_handler cb;
int fd;
bool eof;
bool error;
bool registered;
};
struct uloop_timeout
{
struct list_head list;
bool pending;
uloop_timeout_handler cb;
struct timeval time;
};
struct uloop_process
{
struct list_head list;
bool pending;
uloop_process_handler cb;
pid_t pid;
};
extern bool uloop_cancelled;
extern bool uloop_handle_sigchld;
int uloop_fd_add(struct uloop_fd *sock, unsigned int flags);
int uloop_fd_delete(struct uloop_fd *sock);
int uloop_timeout_add(struct uloop_timeout *timeout);
int uloop_timeout_set(struct uloop_timeout *timeout, int msecs);
int uloop_timeout_cancel(struct uloop_timeout *timeout);
int uloop_process_add(struct uloop_process *p);
int uloop_process_delete(struct uloop_process *p);
static inline void uloop_end(void)
{
uloop_cancelled = true;
}
int uloop_init(void);
void uloop_run(void);
void uloop_done(void);
#endif