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forgot to add time.c

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This commit is contained in:
Alex Shinn 2011-10-06 21:08:17 +09:00
parent 7a15968bf5
commit 0bffb295b5
3 changed files with 22 additions and 2 deletions
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3
Makefile
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@ -128,7 +128,8 @@ COMPILED_LIBS := lib/srfi/18/threads$(SO) lib/srfi/27/rand$(SO) \
lib/chibi/filesystem$(SO) lib/chibi/process$(SO) lib/chibi/time$(SO) \
lib/chibi/system$(SO) lib/chibi/io/io$(SO) lib/chibi/stty$(SO) \
lib/chibi/weak$(SO) lib/chibi/heap-stats$(SO) lib/chibi/disasm$(SO) \
lib/chibi/optimize/rest$(SO) lib/chibi/optimize/profile$(SO)
lib/chibi/optimize/rest$(SO) lib/chibi/optimize/profile$(SO) \
lib/scheme/time$(SO)
libs: $(COMPILED_LIBS)

19
lib/scheme/time.c Normal file
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@ -0,0 +1,19 @@
/* time.c -- R7RS time routines */
/* Copyright (c) 2011 Alex Shinn. All rights reserved. */
/* BSD-style license: http://synthcode.com/license.txt */
#include <time.h>
#include <chibi/eval.h>
/* TODO: Check a leap second table file at appropriate intervals. */
static time_t leap_seconds_since_epoch = 34;
static sexp sexp_current_second (sexp ctx sexp_api_params(self, n)) {
time_t res = time(NULL);
return sexp_make_flonum(ctx, res + leap_seconds_since_epoch);
}
sexp sexp_init_library (sexp ctx sexp_api_params(self, n), sexp env) {
sexp_define_foreign(ctx, env, "current-second", 0, sexp_current_second);
return SEXP_VOID;
}

2
lib/scheme/time.sld
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@ -2,7 +2,7 @@
(define-library (scheme time)
(import (scheme))
(export current-second current-jiffy jiffies-per-second)
(include-shared "time.c")
(include-shared "time")
(begin
(define current-jiffy current-second)
(define (jiffies-per-second) 1)))