eventl.h

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/* This file is part of the YAZ toolkit.
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 */
 
#ifndef EVENTL_H
#define EVENTL_H
 
#include <time.h>
 
struct iochan;
 
typedef void (*IOC_CALLBACK)(struct iochan *i, int event);
 
typedef struct iochan
{
    int fd;
    int flags;
#define EVENT_INPUT     0x01
#define EVENT_OUTPUT    0x02
#define EVENT_EXCEPT    0x04
#define EVENT_TIMEOUT   0x08
int force_event;
    IOC_CALLBACK fun;
    void *data;
    int destroyed;
    time_t last_event;
    time_t max_idle;
 
    struct iochan *next;
    int chan_id; /* listening port (0 if none ) */
} *IOCHAN;
 
#define iochan_destroy(i) (void)((i)->destroyed = 1)
#define iochan_getfd(i) ((i)->fd)
#define iochan_setfd(i, f) ((i)->fd = (f))
#define iochan_getdata(i) ((i)->data)
#define iochan_setdata(i, d) ((i)->data = d)
#define iochan_getflags(i) ((i)->flags)
#define iochan_setflags(i, d) ((i)->flags = d)
#define iochan_setflag(i, d) ((i)->flags |= d)
#define iochan_clearflag(i, d) ((i)->flags &= ~(d))
#define iochan_getflag(i, d) ((i)->flags & d ? 1 : 0)
#define iochan_getfun(i) ((i)->fun)
#define iochan_setfun(i, d) ((i)->fun = d)
#define iochan_setevent(i, e) ((i)->force_event = (e))
#define iochan_getnext(i) ((i)->next)
#define iochan_settimeout(i, t) ((i)->max_idle = (t), (i)->last_event = time(0))
 
IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags, int port);
int iochan_is_alive(IOCHAN chan);
int iochan_event_loop(IOCHAN *iochans, int *watch_sig);
void statserv_remove (IOCHAN pIOChannel);
#endif
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */