68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* uloop - event loop implementation
|
|
*
|
|
* Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
#ifndef _ULOOP_H__
|
|
#define _ULOOP_H__
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
struct uloop_fd;
|
|
typedef void (*uloop_fd_handler)(struct uloop_fd *u, unsigned int events);
|
|
|
|
#define ULOOP_READ (1 << 0)
|
|
#define ULOOP_WRITE (1 << 1)
|
|
#define ULOOP_EDGE_TRIGGER (1 << 2)
|
|
#define ULOOP_BLOCKING (1 << 3)
|
|
|
|
#define ULOOP_EVENT_MASK (ULOOP_READ | ULOOP_WRITE)
|
|
|
|
/* internal flags */
|
|
#define ULOOP_EVENT_BUFFERED (1 << 4)
|
|
#ifdef USE_KQUEUE
|
|
#define ULOOP_EDGE_DEFER (1 << 5)
|
|
#endif
|
|
|
|
#define ULOOP_ERROR_CB (1 << 6)
|
|
|
|
struct uloop_fd
|
|
{
|
|
uloop_fd_handler cb;
|
|
int fd;
|
|
bool eof;
|
|
bool error;
|
|
bool registered;
|
|
uint8_t flags;
|
|
};
|
|
|
|
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);
|
|
|
|
static inline void uloop_end(void)
|
|
{
|
|
uloop_cancelled = true;
|
|
}
|
|
|
|
int uloop_init(void);
|
|
int uloop_run(void);
|
|
void uloop_done(void);
|
|
|
|
#endif
|