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* process.c (get_mach_timebase_info): Extracted from rb_clock_gettime.

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(rb_clock_gettime): Use get_mach_timebase_info.
  (rb_clock_getres): Support MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42763 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2013-09-01 15:09:06 +00:00
parent b64c2c348f
commit 8a108ffc21
2 changed files with 33 additions and 10 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Sep 2 00:08:08 2013 Tanaka Akira <akr@fsij.org>
* process.c (get_mach_timebase_info): Extracted from rb_clock_gettime.
(rb_clock_gettime): Use get_mach_timebase_info.
(rb_clock_getres): Support MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC.
Sun Sep 1 23:30:47 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (GMP_BIG2STR_DIGITS): New constant.

37
process.c
View file

@ -6851,6 +6851,20 @@ make_clock_result(struct timetick *ttp,
rb_raise(rb_eArgError, "unexpected unit: %"PRIsVALUE, unit);
}
#ifdef __APPLE__
static mach_timebase_info_data_t *
get_mach_timebase_info(void)
{
static mach_timebase_info_data_t sTimebaseInfo;
if ( sTimebaseInfo.denom == 0 ) {
(void) mach_timebase_info(&sTimebaseInfo);
}
return &sTimebaseInfo;
}
#endif
/*
* call-seq:
* Process.clock_gettime(clock_id [, unit]) -> number
@ -7069,17 +7083,12 @@ rb_clock_gettime(int argc, VALUE *argv)
#ifdef __APPLE__
#define RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC ID2SYM(rb_intern("MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC"))
if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
static mach_timebase_info_data_t sTimebaseInfo;
uint64_t t = mach_absolute_time();
if ( sTimebaseInfo.denom == 0 ) {
(void) mach_timebase_info(&sTimebaseInfo);
}
mach_timebase_info_data_t *info = get_mach_timebase_info();
uint64_t t = mach_absolute_time();
tt.count = (int32_t)(t % 1000000000);
tt.giga_count = t / 1000000000;
numerators[num_numerators++] = sTimebaseInfo.numer;
denominators[num_denominators++] = sTimebaseInfo.denom;
numerators[num_numerators++] = info->numer;
denominators[num_denominators++] = info->denom;
denominators[num_denominators++] = 1000000000;
goto success;
}
@ -7205,7 +7214,15 @@ rb_clock_getres(int argc, VALUE *argv)
#endif
#ifdef RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
/* not yet */
if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
mach_timebase_info_data_t *info = get_mach_timebase_info();
tt.count = 1;
tt.giga_count = 0;
numerators[num_numerators++] = info->numer;
denominators[num_denominators++] = info->denom;
denominators[num_denominators++] = 1000000000;
goto success;
}
#endif
}
else {