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annotate src/mb_timer.h @ 43:6270230b9248

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Use MB_TIMEVAL_CP() instead of memcpy
author Thinker K.F. Li <thinker@branda.to>
date Sat, 09 Aug 2008 08:27:56 +0800
parents 400b4b5db0dc
children 46b77c92d118
rev   line source
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1 #ifndef __MB_TIMER_H_
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2 #define __MB_TIMER_H_
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3
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4 #include <sys/time.h>
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5
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6 typedef uint32_t mbsec_t;
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7 typedef uint32_t mbusec_t;
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8 typedef struct _mb_timer mb_timer_t;
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9 typedef struct _mb_tman mb_tman_t;
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10 typedef struct timeval mb_timeval_t;
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13 typedef void (*mb_tmo_hdlr)(const mb_timeval_t *tmo,
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14 const mb_timeval_t *now,
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15 void *arg);
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16
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17 extern mb_tman_t *mb_tman_new(void);
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18 extern void mb_tman_free(mb_tman_t *tman);
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19 extern mb_timer_t *mb_tman_timeout(mb_tman_t *tman,
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20 const mb_timeval_t *tmo,
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21 mb_tmo_hdlr hdlr, void *arg);
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22 extern int mb_tman_remove(mb_tman_t *tman, mb_timer_t *timer);
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23 extern int mb_tman_next_timeout(mb_tman_t *tman,
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24 const mb_timeval_t *now,
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25 mb_timeval_t *tmo_after);
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26 extern int mb_tman_handle_timeout(mb_tman_t *tman, mb_timeval_t *now);
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28 #define MB_TIMEVAL_SET(_tv, _sec, _usec) \
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29 do { \
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30 (_tv)->tv_sec = _sec; \
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31 (_tv)->tv_usec = _usec; \
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32 } while(0)
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33 #define MB_TIMEVAL_CP(_tv1, _tv2) \
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34 do { \
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35 (_tv1)->tv_sec = (_tv2)->tv_sec; \
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36 (_tv1)->tv_usec = (_tv2)->tv_usec; \
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37 } while(0)
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38 #define MB_TIMEVAL_SEC(_tv) ((_tv)->tv_sec)
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39 #define MB_TIMEVAL_USEC(_tv) ((_tv)->tv_usec)
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40 #define MB_TIMEVAL_LATER(a, b) \
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41 ((a)->tv_sec > (b)->tv_sec || \
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42 ((a)->tv_sec == (b)->tv_sec && \
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43 (a)->tv_usec > (b)->tv_usec))
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44 #define MB_TIMEVAL_DIFF(a, b) \
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45 do { \
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46 (a)->tv_sec -= (b)->tv_sec; \
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47 if((a)->tv_usec < (b)->tv_usec) { \
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48 (a)->tv_sec--; \
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49 (a)->tv_usec += 1000000; \
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50 } \
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51 (a)->tv_usec -= (b)->tv_usec; \
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52 } while(0)
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53 #define MB_TIMEVAL_ADD(a, b) \
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54 do { \
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55 (a)->tv_sec += (b)->tv_sec; \
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56 (a)->tv_usec += (b)->tv_usec; \
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57 if((a)->tv_usec >= 1000000) { \
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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 } while(0)
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64 #endif /* __MB_TIMER_H_ */