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thread.c: Move double2hrtime and hrtime2double to hrtime.h

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... to make them available in other places than thread.c
This commit is contained in:
Yusuke Endoh 2022-03-23 18:41:36 +09:00
parent 42a0bed351
commit a94002115b
Notes: git 2022-03-30 16:51:11 +09:00 
Merged: https://github.com/ruby/ruby/pull/5703
2 changed files with 48 additions and 40 deletions
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48
hrtime.h
View file

@ -165,4 +165,52 @@ rb_hrtime2timeval(struct timeval *tv, const rb_hrtime_t *hrt)
}
return 0;
}
#include "internal/warnings.h"
#include "internal/time.h"
/*
* Back when we used "struct timeval", not all platforms implemented
* tv_sec as time_t. Nowadays we use "struct timespec" and tv_sec
* seems to be implemented more consistently across platforms.
* At least other parts of our code hasn't had to deal with non-time_t
* tv_sec in timespec...
*/
#define TIMESPEC_SEC_MAX TIMET_MAX
#define TIMESPEC_SEC_MIN TIMET_MIN
COMPILER_WARNING_PUSH
#if __has_warning("-Wimplicit-int-float-conversion")
COMPILER_WARNING_IGNORED(-Wimplicit-int-float-conversion)
#elif defined(_MSC_VER)
/* C4305: 'initializing': truncation from '__int64' to 'const double' */
COMPILER_WARNING_IGNORED(4305)
#endif
static const double TIMESPEC_SEC_MAX_as_double = TIMESPEC_SEC_MAX;
COMPILER_WARNING_POP
static inline rb_hrtime_t *
double2hrtime(rb_hrtime_t *hrt, double d)
{
/* assume timespec.tv_sec has same signedness as time_t */
const double TIMESPEC_SEC_MAX_PLUS_ONE = 2.0 * (TIMESPEC_SEC_MAX_as_double / 2.0 + 1.0);
if (TIMESPEC_SEC_MAX_PLUS_ONE <= d) {
return NULL;
}
else if (d <= 0) {
*hrt = 0;
}
else {
*hrt = (rb_hrtime_t)(d * (double)RB_HRTIME_PER_SEC);
}
return hrt;
}
static inline double
hrtime2double(rb_hrtime_t hrt)
{
return (double)hrt / (double)RB_HRTIME_PER_SEC;
}
#endif /* RB_HRTIME_H */

40
thread.c
View file

@ -1144,8 +1144,6 @@ remove_from_join_list(VALUE arg)
return Qnil;
}
static rb_hrtime_t *double2hrtime(rb_hrtime_t *, double);
static int
thread_finished(rb_thread_t *th)
{
@ -1352,44 +1350,6 @@ thread_value(VALUE self)
* Thread Scheduling
*/
/*
* Back when we used "struct timeval", not all platforms implemented
* tv_sec as time_t. Nowadays we use "struct timespec" and tv_sec
* seems to be implemented more consistently across platforms.
* At least other parts of our code hasn't had to deal with non-time_t
* tv_sec in timespec...
*/
#define TIMESPEC_SEC_MAX TIMET_MAX
#define TIMESPEC_SEC_MIN TIMET_MIN
COMPILER_WARNING_PUSH
#if __has_warning("-Wimplicit-int-float-conversion")
COMPILER_WARNING_IGNORED(-Wimplicit-int-float-conversion)
#elif defined(_MSC_VER)
/* C4305: 'initializing': truncation from '__int64' to 'const double' */
COMPILER_WARNING_IGNORED(4305)
#endif
static const double TIMESPEC_SEC_MAX_as_double = TIMESPEC_SEC_MAX;
COMPILER_WARNING_POP
static rb_hrtime_t *
double2hrtime(rb_hrtime_t *hrt, double d)
{
/* assume timespec.tv_sec has same signedness as time_t */
const double TIMESPEC_SEC_MAX_PLUS_ONE = 2.0 * (TIMESPEC_SEC_MAX_as_double / 2.0 + 1.0);
if (TIMESPEC_SEC_MAX_PLUS_ONE <= d) {
return NULL;
}
else if (d <= 0) {
*hrt = 0;
}
else {
*hrt = (rb_hrtime_t)(d * (double)RB_HRTIME_PER_SEC);
}
return hrt;
}
static void
getclockofday(struct timespec *ts)
{