Tibor Nagy
24 lines
774 B
C
24 lines
774 B
C
#ifndef _BITS_SYS_TIME
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#define _BITS_SYS_TIME
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#define timeradd(x,y,res) (void) (\
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(res)->tv_sec = (x)->tv_sec + (y)->tv_sec + (((x)->tv_usec + (y)->tv_usec) / 1000000), \
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(res)->tv_usec = ((x)->tv_usec + (y)->tv_usec) % 1000000 \
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)
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#define timersub(x,y,res) (void) ( \
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(res)->tv_sec = (x)->tv_sec - (y)->tv_sec, \
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(res)->tv_usec = ((x)->tv_usec - (y)->tv_usec), \
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((res)->tv_usec < 0) && ((res)->tv_sec -= 1, (res)->tv_usec += 1000000) \
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)
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#define timerclear(t) (void) ( \
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(t)->tv_sec = 0, \
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(t)->tv_usec = 0 \
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)
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#define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
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#define timercmp(x,y,op) ((x)->tv_sec == (y)->tv_sec ? \
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(x)->tv_usec op (y)->tv_usec \
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: \
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(x)->tv_sec op (y)->tv_sec)
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#endif
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