1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2011 Index Data.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
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14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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30 * \brief Definitions for event loop handling for GFS.
32 * This "private" header defines various functions for the
33 * main event loop in GFS.
43 typedef void (*IOC_CALLBACK)(struct iochan *i, int event);
49 #define EVENT_INPUT 0x01
50 #define EVENT_OUTPUT 0x02
51 #define EVENT_EXCEPT 0x04
52 #define EVENT_TIMEOUT 0x08
61 int chan_id; /* listening port (0 if none ) */
64 #define iochan_destroy(i) (void)((i)->destroyed = 1)
65 #define iochan_getfd(i) ((i)->fd)
66 #define iochan_setfd(i, f) ((i)->fd = (f))
67 #define iochan_getdata(i) ((i)->data)
68 #define iochan_setdata(i, d) ((i)->data = d)
69 #define iochan_getflags(i) ((i)->flags)
70 #define iochan_setflags(i, d) ((i)->flags = d)
71 #define iochan_setflag(i, d) ((i)->flags |= d)
72 #define iochan_clearflag(i, d) ((i)->flags &= ~(d))
73 #define iochan_getflag(i, d) ((i)->flags & d ? 1 : 0)
74 #define iochan_getfun(i) ((i)->fun)
75 #define iochan_setfun(i, d) ((i)->fun = d)
76 #define iochan_setevent(i, e) ((i)->force_event = (e))
77 #define iochan_getnext(i) ((i)->next)
78 #define iochan_settimeout(i, t) ((i)->max_idle = (t), (i)->last_event = time(0))
80 IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags, int port);
81 int iochan_is_alive(IOCHAN chan);
82 int iochan_event_loop(IOCHAN *iochans);
83 void statserv_remove (IOCHAN pIOChannel);
88 * c-file-style: "Stroustrup"
89 * indent-tabs-mode: nil
91 * vim: shiftwidth=4 tabstop=8 expandtab