25 lines
685 B
C
25 lines
685 B
C
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/* OS-dependent support for fine-grained timer.
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** Copyright (c) 1995 by Olin Shivers.
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**
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** We return the current time in seconds and sub-second "ticks" where the
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** number of ticks/second is OS dependent (and is defined in time_dep.scm).
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** This definition works on any BSD Unix with the gettimeofday()
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** microsecond-resolution timer.
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*/
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#include <errno.h>
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#include <sys/time.h>
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#include "scheme48.h"
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#include "../time1.h"
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s48_value time_plus_ticks()
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{
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struct timeval t;
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struct timezone tz;
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if( gettimeofday(&t, &tz) ) s48_raise_os_error (errno);
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return s48_cons (s48_enter_integer (t.tv_sec),
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s48_cons (s48_enter_integer (t.tv_usec), S48_NULL));
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}
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