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annotate include/mb_timer.h @ 1361:cf5ed0b8f45d

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author Thinker K.F. Li <thinker@codemud.net>
date Thu, 17 Feb 2011 10:58:40 +0800
parents 586e50f82c1f
children
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 #ifndef __MB_TIMER_H_
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4 #define __MB_TIMER_H_
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6 #include <sys/time.h>
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7 #include <stdint.h>
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9 typedef uint32_t mbsec_t;
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10 typedef uint32_t mbusec_t;
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11 typedef struct _mb_timer mb_timer_t;
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12 typedef struct _mb_tman mb_tman_t;
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13 typedef struct timeval mb_timeval_t;
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15
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16 typedef void (*mb_tmo_hdlr)(const mb_timeval_t *tmo,
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17 const mb_timeval_t *now,
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18 void *arg);
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19
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20 extern mb_tman_t *mb_tman_new(void);
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21 extern void mb_tman_free(mb_tman_t *tman);
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22 extern mb_timer_t *mb_tman_timeout(mb_tman_t *tman,
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23 const mb_timeval_t *tmo,
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24 mb_tmo_hdlr hdlr, void *arg);
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25 extern int mb_tman_remove(mb_tman_t *tman, mb_timer_t *timer);
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26 extern int mb_tman_next_timeout(mb_tman_t *tman,
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27 const mb_timeval_t *now,
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28 mb_timeval_t *tmo_after);
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29 extern int mb_tman_handle_timeout(mb_tman_t *tman, mb_timeval_t *now);
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31 #define MB_TIMEVAL_SET(_tv, _sec, _usec) \
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32 do { \
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33 (_tv)->tv_sec = _sec; \
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34 (_tv)->tv_usec = _usec; \
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35 } while(0)
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36 #define MB_TIMEVAL_CP(_tv1, _tv2) \
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37 do { \
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38 (_tv1)->tv_sec = (_tv2)->tv_sec; \
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39 (_tv1)->tv_usec = (_tv2)->tv_usec; \
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40 } while(0)
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41 #define MB_TIMEVAL_SEC(_tv) ((_tv)->tv_sec)
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42 #define MB_TIMEVAL_USEC(_tv) ((_tv)->tv_usec)
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43 #define MB_TIMEVAL_LATER(a, b) \
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44 ((a)->tv_sec > (b)->tv_sec || \
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45 ((a)->tv_sec == (b)->tv_sec && \
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46 (a)->tv_usec > (b)->tv_usec))
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47 #define MB_TIMEVAL_LATER_INC(a, b) \
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48 ((a)->tv_sec > (b)->tv_sec || \
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49 ((a)->tv_sec == (b)->tv_sec && \
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50 (a)->tv_usec >= (b)->tv_usec))
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51 #define MB_TIMEVAL_EQ(a, b) \
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52 ((a)->tv_sec == (b)->tv_sec && \
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53 (a)->tv_usec == (b)->tv_usec)
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54 #define MB_TIMEVAL_DIFF(a, b) \
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55 do { \
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56 (a)->tv_sec -= (b)->tv_sec; \
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57 if((a)->tv_usec < (b)->tv_usec) { \
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58 (a)->tv_sec--; \
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59 (a)->tv_usec += 1000000; \
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60 } \
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61 (a)->tv_usec -= (b)->tv_usec; \
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62 } while(0)
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63 #define MB_TIMEVAL_ADD(a, b) \
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64 do { \
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65 (a)->tv_sec += (b)->tv_sec; \
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66 (a)->tv_usec += (b)->tv_usec; \
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67 if((a)->tv_usec >= 1000000) { \
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68 (a)->tv_sec++; \
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69 (a)->tv_usec -= 1000000; \
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70 } \
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71 } while(0)
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72 #define MB_TIMEVAL_DIV(a, b) \
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73 (((a)->tv_sec * 1000000.0 + (a)->tv_usec) / \
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74 ((b)->tv_sec * 1000000.0 + (b)->tv_usec))
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77 extern void get_now(mb_timeval_t *tmo);
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80 #endif /* __MB_TIMER_H_ */