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annotate src/lib/ioloop.h @ 953:411006be3c66 HEAD

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Naming change for function typedefs.
author Timo Sirainen <tss@iki.fi>
date Sat, 11 Jan 2003 21:55:56 +0200
parents fd8888f6f037
children e37e626902c3
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1 #ifndef __IOLOOP_H
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2 #define __IOLOOP_H
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3
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4 #include <time.h>
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5
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6 #define IO_READ (1 << 0)
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7 #define IO_WRITE (1 << 1)
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8
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9 #define IO_PRIORITY_LOW 100
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10 #define IO_PRIORITY_DEFAULT 0
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11 #define IO_PRIORITY_HIGH -100
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12
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13 struct io;
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14 struct timeout;
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15 struct ioloop;
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16
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17 typedef void (*io_callback_t) (void *context, int fd, struct io *io);
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18 typedef void (*timeout_callback_t) (void *context, struct timeout *timeout);
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19
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20 /* Time when the I/O loop started calling handlers.
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21 Can be used instead of time(NULL). */
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22 extern time_t ioloop_time;
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23 extern struct timeval ioloop_timeval;
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24 extern struct timezone ioloop_timezone;
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25
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26 /* I/O listeners - you can create different handlers for IO_READ and IO_WRITE,
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27 but make sure you don't create multiple handlers of same type, it's not
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28 checked and removing one will stop the other from working as well. */
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29 struct io *io_add(int fd, int condition, io_callback_t callback, void *context);
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30 struct io *io_add_priority(int fd, int priority, int condition,
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31 io_callback_t callback, void *context);
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32 void io_remove(struct io *io);
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33
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34 /* Timeout handlers */
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35 struct timeout *timeout_add(int msecs, timeout_callback_t callback,
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36 void *context);
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37 void timeout_remove(struct timeout *timeout);
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38
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39 void io_loop_run(struct ioloop *ioloop);
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40 void io_loop_stop(struct ioloop *ioloop); /* safe to run in signal handler */
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41
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42 /* call these if you wish to run the iteration only once */
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43 void io_loop_set_running(struct ioloop *ioloop);
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44 void io_loop_handler_run(struct ioloop *ioloop);
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45
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46 struct ioloop *io_loop_create(pool_t pool);
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47 void io_loop_destroy(struct ioloop *ioloop);
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48
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49 #endif