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https://github.com/ashinn/chibi-scheme.git
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fdc0396962
The time was still reported correctly, but took longer and had the wrong name. Fixes issue #288.
44 lines
1.6 KiB
Scheme
44 lines
1.6 KiB
Scheme
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(define-library (chibi time)
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(export current-seconds get-time-of-day time
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seconds->time seconds->string time->seconds time->string
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make-timeval make-tm timeval-seconds timeval-microseconds
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timezone-offset timezone-dst-time
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time-second time-minute time-hour time-day time-month time-year
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time-day-of-week time-day-of-year time-dst? time-timezone-name
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time-offset
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tm? timeval? timezone?)
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(cond-expand
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(emscripten)
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(else
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(export set-time-of-day!)))
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(cond-expand
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((or bsd linux)
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(export rusage? resource-usage-time resource-usage-system-time
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resource-usage-max-rss resource-usage/self
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resource-usage/children get-resource-usage))
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(else))
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(import (chibi))
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(include-shared "time")
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(begin
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(define (timeval->milliseconds tv)
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(quotient (+ (* 1000000 (timeval-seconds tv))
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(timeval-microseconds tv))
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1000))
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(define (time* name thunk)
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(let* ((start (car (get-time-of-day)))
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(result (thunk))
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(end (car (get-time-of-day)))
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(msecs (- (timeval->milliseconds end)
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(timeval->milliseconds start))))
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(display name (current-error-port))
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(display ": " (current-error-port))
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(display msecs (current-error-port))
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(display " ms\n" (current-error-port))
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result))
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(define-syntax time
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(syntax-rules ()
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((time expr)
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(time (call-with-output-string (lambda (out) (write 'expr out))) expr))
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((time name expr)
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(time* name (lambda () expr)))))))
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