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Upgrade to Time-HiRes-1.9712
[p5sagit/p5-mst-13.2.git] / ext / Time / HiRes / HiRes.xs
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f8daf111 1/*
2 *
3 * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved.
4 *
bfe77af1 5 * Copyright (c) 2002,2003,2004,2005,2006,2007 Jarkko Hietaniemi. All rights reserved.
f8daf111 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the same terms as Perl itself.
9 */
10
dcf686c9 11#ifdef __cplusplus
12extern "C" {
13#endif
0225372c 14#define PERL_NO_GET_CONTEXT
dcf686c9 15#include "EXTERN.h"
16#include "perl.h"
17#include "XSUB.h"
1fbb4de4 18#include "ppport.h"
4ed0e2d4 19#if defined(__CYGWIN__) && defined(HAS_W32API_WINDOWS_H)
20# include <w32api/windows.h>
21# define CYGWIN_WITH_W32API
22#endif
dcf686c9 23#ifdef WIN32
4ed0e2d4 24# include <time.h>
dcf686c9 25#else
4ed0e2d4 26# include <sys/time.h>
dcf686c9 27#endif
36df99d6 28#ifdef HAS_SELECT
29# ifdef I_SYS_SELECT
30# include <sys/select.h>
31# endif
32#endif
ced84e60 33#if defined(TIME_HIRES_CLOCK_GETTIME_SYSCALL) || defined(TIME_HIRES_CLOCK_GETRES_SYSCALL)
34#include <syscall.h>
35#endif
dcf686c9 36#ifdef __cplusplus
37}
38#endif
39
b69b1b83 40#define IV_1E6 1000000
41#define IV_1E7 10000000
42#define IV_1E9 1000000000
43
47e797f6 44#define NV_1E6 1000000.0
45#define NV_1E7 10000000.0
46#define NV_1E9 1000000000.0
47
1fbb4de4 48#ifndef PerlProc_pause
49# define PerlProc_pause() Pause()
3f2ee006 50#endif
51
1fbb4de4 52#ifdef HAS_PAUSE
53# define Pause pause
3f2ee006 54#else
27da23d5 55# undef Pause /* In case perl.h did it already. */
64a7a97c 56# define Pause() sleep(~0) /* Zzz for a long time. */
3f2ee006 57#endif
58
59/* Though the cpp define ITIMER_VIRTUAL is available the functionality
4ed0e2d4 60 * is not supported in Cygwin as of August 2004, ditto for Win32.
3f2ee006 61 * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi
62 */
63#if defined(__CYGWIN__) || defined(WIN32)
64# undef ITIMER_VIRTUAL
65# undef ITIMER_PROF
66# undef ITIMER_REALPROF
67#endif
68
82cbdcc3 69#if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC)
70
71/* HP-UX has CLOCK_XXX values but as enums, not as defines.
72 * The only way to detect these would be to test compile for each. */
73# ifdef __hpux
74# define CLOCK_REALTIME CLOCK_REALTIME
75# define CLOCK_VIRTUAL CLOCK_VIRTUAL
76# define CLOCK_PROFILE CLOCK_PROFILE
77# endif /* # ifdef __hpux */
78
79#endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) */
3c72ec00 80
4ed0e2d4 81#if defined(WIN32) || defined(CYGWIN_WITH_W32API)
0225372c 82
83#ifndef HAS_GETTIMEOFDAY
84# define HAS_GETTIMEOFDAY
85#endif
fd44fdfd 86
6e3b076d 87/* shows up in winsock.h?
88struct timeval {
89 long tv_sec;
90 long tv_usec;
91}
92*/
93
fd44fdfd 94typedef union {
95 unsigned __int64 ft_i64;
96 FILETIME ft_val;
97} FT_t;
98
0225372c 99#define MY_CXT_KEY "Time::HiRes_" XS_VERSION
100
101typedef struct {
102 unsigned long run_count;
103 unsigned __int64 base_ticks;
104 unsigned __int64 tick_frequency;
105 FT_t base_systime_as_filetime;
4ed0e2d4 106 unsigned __int64 reset_time;
0225372c 107} my_cxt_t;
108
109START_MY_CXT
110
6e3b076d 111/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
fd44fdfd 112#ifdef __GNUC__
4ed0e2d4 113# define Const64(x) x##LL
fd44fdfd 114#else
4ed0e2d4 115# define Const64(x) x##i64
fd44fdfd 116#endif
fd44fdfd 117#define EPOCH_BIAS Const64(116444736000000000)
118
f445b110 119#ifdef Const64
120# ifdef __GNUC__
121# define IV_1E6LL 1000000LL /* Needed because of Const64() ##-appends LL (or i64). */
122# define IV_1E7LL 10000000LL
123# define IV_1E9LL 1000000000LL
124# else
125# define IV_1E6i64 1000000i64
126# define IV_1E7i64 10000000i64
127# define IV_1E9i64 1000000000i64
128# endif
129#endif
130
fd44fdfd 131/* NOTE: This does not compute the timezone info (doing so can be expensive,
132 * and appears to be unsupported even by glibc) */
0225372c 133
134/* dMY_CXT needs a Perl context and we don't want to call PERL_GET_CONTEXT
135 for performance reasons */
136
137#undef gettimeofday
138#define gettimeofday(tp, not_used) _gettimeofday(aTHX_ tp, not_used)
139
d8cb5b61 140/* If the performance counter delta drifts more than 0.5 seconds from the
141 * system time then we recalibrate to the system time. This means we may
c1dc6e7c 142 * move *backwards* in time! */
4ed0e2d4 143#define MAX_PERF_COUNTER_SKEW Const64(5000000) /* 0.5 seconds */
c1dc6e7c 144
4ed0e2d4 145/* Reset reading from the performance counter every five minutes.
146 * Many PC clocks just seem to be so bad. */
147#define MAX_PERF_COUNTER_TICKS Const64(300000000) /* 300 seconds */
c1dc6e7c 148
0225372c 149static int
150_gettimeofday(pTHX_ struct timeval *tp, void *not_used)
fd44fdfd 151{
0225372c 152 dMY_CXT;
153
154 unsigned __int64 ticks;
fd44fdfd 155 FT_t ft;
156
4ed0e2d4 157 if (MY_CXT.run_count++ == 0 ||
158 MY_CXT.base_systime_as_filetime.ft_i64 > MY_CXT.reset_time) {
159 QueryPerformanceFrequency((LARGE_INTEGER*)&MY_CXT.tick_frequency);
160 QueryPerformanceCounter((LARGE_INTEGER*)&MY_CXT.base_ticks);
161 GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val);
162 ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64;
163 MY_CXT.reset_time = ft.ft_i64 + MAX_PERF_COUNTER_TICKS;
164 }
165 else {
c1dc6e7c 166 __int64 diff;
0225372c 167 QueryPerformanceCounter((LARGE_INTEGER*)&ticks);
168 ticks -= MY_CXT.base_ticks;
169 ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64
47e797f6 170 + Const64(IV_1E7) * (ticks / MY_CXT.tick_frequency)
171 +(Const64(IV_1E7) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency;
c1dc6e7c 172 diff = ft.ft_i64 - MY_CXT.base_systime_as_filetime.ft_i64;
4ed0e2d4 173 if (diff < -MAX_PERF_COUNTER_SKEW || diff > MAX_PERF_COUNTER_SKEW) {
174 MY_CXT.base_ticks += ticks;
175 GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val);
176 ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64;
c1dc6e7c 177 }
0225372c 178 }
fd44fdfd 179
180 /* seconds since epoch */
47e797f6 181 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(IV_1E7));
fd44fdfd 182
183 /* microseconds remaining */
47e797f6 184 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(IV_1E6));
fd44fdfd 185
186 return 0;
187}
6e3b076d 188#endif
fd44fdfd 189
0225372c 190#if defined(WIN32) && !defined(ATLEASTFIVEOHOHFIVE)
191static unsigned int
192sleep(unsigned int t)
193{
194 Sleep(t*1000);
195 return 0;
196}
197#endif
198
dcf686c9 199#if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
200#define HAS_GETTIMEOFDAY
201
9b6f56ad 202#include <lnmdef.h>
dcf686c9 203#include <time.h> /* gettimeofday */
204#include <stdlib.h> /* qdiv */
205#include <starlet.h> /* sys$gettim */
206#include <descrip.h>
3785778e 207#ifdef __VAX
208#include <lib$routines.h> /* lib$ediv() */
209#endif
dcf686c9 210
211/*
212 VMS binary time is expressed in 100 nano-seconds since
213 system base time which is 17-NOV-1858 00:00:00.00
214*/
215
216#define DIV_100NS_TO_SECS 10000000L
217#define DIV_100NS_TO_USECS 10L
218
219/*
220 gettimeofday is supposed to return times since the epoch
221 so need to determine this in terms of VMS base time
222*/
223static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00");
224
5cdb7193 225#ifdef __VAX
3785778e 226static long base_adjust[2]={0L,0L};
5cdb7193 227#else
dcf686c9 228static __int64 base_adjust=0;
5cdb7193 229#endif
dcf686c9 230
9b6f56ad 231/*
232
233 If we don't have gettimeofday, then likely we are on a VMS machine that
234 operates on local time rather than UTC...so we have to zone-adjust.
235 This code gleefully swiped from VMS.C
236
237*/
238/* method used to handle UTC conversions:
239 * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction
240 */
241static int gmtime_emulation_type;
242/* number of secs to add to UTC POSIX-style time to get local time */
243static long int utc_offset_secs;
244static struct dsc$descriptor_s fildevdsc =
245 { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" };
246static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL };
247
248static time_t toutc_dst(time_t loc) {
249 struct tm *rsltmp;
250
251 if ((rsltmp = localtime(&loc)) == NULL) return -1;
252 loc -= utc_offset_secs;
253 if (rsltmp->tm_isdst) loc -= 3600;
254 return loc;
255}
256
257static time_t toloc_dst(time_t utc) {
258 struct tm *rsltmp;
259
260 utc += utc_offset_secs;
261 if ((rsltmp = localtime(&utc)) == NULL) return -1;
262 if (rsltmp->tm_isdst) utc += 3600;
263 return utc;
264}
265
266#define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
267 ((gmtime_emulation_type || timezone_setup()), \
268 (gmtime_emulation_type == 1 ? toutc_dst(secs) : \
269 ((secs) - utc_offset_secs))))
270
271#define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
272 ((gmtime_emulation_type || timezone_setup()), \
273 (gmtime_emulation_type == 1 ? toloc_dst(secs) : \
274 ((secs) + utc_offset_secs))))
275
276static int
277timezone_setup(void)
278{
279 struct tm *tm_p;
280
281 if (gmtime_emulation_type == 0) {
282 int dstnow;
283 time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */
284 /* results of calls to gmtime() and localtime() */
285 /* for same &base */
286
287 gmtime_emulation_type++;
288 if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
289 char off[LNM$C_NAMLENGTH+1];;
290
291 gmtime_emulation_type++;
292 if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
293 gmtime_emulation_type++;
294 utc_offset_secs = 0;
295 Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
296 }
297 else { utc_offset_secs = atol(off); }
298 }
299 else { /* We've got a working gmtime() */
300 struct tm gmt, local;
301
302 gmt = *tm_p;
303 tm_p = localtime(&base);
304 local = *tm_p;
305 utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
306 utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
307 utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
308 utc_offset_secs += (local.tm_sec - gmt.tm_sec);
309 }
310 }
311 return 1;
312}
313
314
dcf686c9 315int
316gettimeofday (struct timeval *tp, void *tpz)
317{
318 long ret;
5cdb7193 319#ifdef __VAX
3785778e 320 long quad[2];
321 long quad1[2];
322 long div_100ns_to_secs;
323 long div_100ns_to_usecs;
324 long quo,rem;
325 long quo1,rem1;
5cdb7193 326#else
dcf686c9 327 __int64 quad;
328 __qdiv_t ans1,ans2;
5cdb7193 329#endif
dcf686c9 330/*
331 In case of error, tv_usec = 0 and tv_sec = VMS condition code.
332 The return from function is also set to -1.
333 This is not exactly as per the manual page.
334*/
335
336 tp->tv_usec = 0;
337
3785778e 338#ifdef __VAX
339 if (base_adjust[0]==0 && base_adjust[1]==0) {
340#else
dcf686c9 341 if (base_adjust==0) { /* Need to determine epoch adjustment */
3785778e 342#endif
dcf686c9 343 ret=sys$bintim(&dscepoch,&base_adjust);
344 if (1 != (ret &&1)) {
345 tp->tv_sec = ret;
346 return -1;
347 }
348 }
349
350 ret=sys$gettim(&quad); /* Get VMS system time */
351 if ((1 && ret) == 1) {
5cdb7193 352#ifdef __VAX
3785778e 353 quad[0] -= base_adjust[0]; /* convert to epoch offset */
354 quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */
355 div_100ns_to_secs = DIV_100NS_TO_SECS;
356 div_100ns_to_usecs = DIV_100NS_TO_USECS;
357 lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem);
358 quad1[0] = rem;
359 quad1[1] = 0L;
360 lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1);
361 tp->tv_sec = quo; /* Whole seconds */
362 tp->tv_usec = quo1; /* Micro-seconds */
5cdb7193 363#else
3785778e 364 quad -= base_adjust; /* convert to epoch offset */
dcf686c9 365 ans1=qdiv(quad,DIV_100NS_TO_SECS);
366 ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS);
367 tp->tv_sec = ans1.quot; /* Whole seconds */
368 tp->tv_usec = ans2.quot; /* Micro-seconds */
3785778e 369#endif
dcf686c9 370 } else {
371 tp->tv_sec = ret;
372 return -1;
373 }
9b6f56ad 374# ifdef VMSISH_TIME
375# ifdef RTL_USES_UTC
376 if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec);
377# else
378 if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec);
379# endif
380# endif
dcf686c9 381 return 0;
382}
383#endif
384
3f2ee006 385
046e3f33 386 /* Do not use H A S _ N A N O S L E E P
70cf0185 387 * so that Perl Configure doesn't scan for it (and pull in -lrt and
388 * the like which are not usually good ideas for the default Perl).
e5433ad8 389 * (We are part of the core perl now.)
046e3f33 390 * The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */
391#if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP)
3f2ee006 392#define HAS_USLEEP
3d0346a5 393#define usleep hrt_nanosleep /* could conflict with ncurses for static build */
3f2ee006 394
395void
3d0346a5 396hrt_nanosleep(unsigned long usec) /* This is used to emulate usleep. */
3f2ee006 397{
398 struct timespec res;
47e797f6 399 res.tv_sec = usec / IV_1E6;
400 res.tv_nsec = ( usec - res.tv_sec * IV_1E6 ) * 1000;
3f2ee006 401 nanosleep(&res, NULL);
402}
3f2ee006 403
44d3ce20 404#endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */
3f2ee006 405
dcf686c9 406#if !defined(HAS_USLEEP) && defined(HAS_SELECT)
407#ifndef SELECT_IS_BROKEN
408#define HAS_USLEEP
409#define usleep hrt_usleep /* could conflict with ncurses for static build */
410
411void
412hrt_usleep(unsigned long usec)
413{
414 struct timeval tv;
415 tv.tv_sec = 0;
416 tv.tv_usec = usec;
417 select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL,
418 (Select_fd_set_t)NULL, &tv);
419}
420#endif
44d3ce20 421#endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */
dcf686c9 422
423#if !defined(HAS_USLEEP) && defined(WIN32)
424#define HAS_USLEEP
425#define usleep hrt_usleep /* could conflict with ncurses for static build */
426
427void
428hrt_usleep(unsigned long usec)
429{
430 long msec;
431 msec = usec / 1000;
432 Sleep (msec);
433}
44d3ce20 434#endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */
dcf686c9 435
70cf0185 436#if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP)
e5433ad8 437#define HAS_USLEEP
438#define usleep hrt_usleep /* could conflict with ncurses for static build */
439
440void
441hrt_usleep(unsigned long usec)
442{
170c5524 443 struct timespec ts1;
444 ts1.tv_sec = usec * 1000; /* Ignoring wraparound. */
445 ts1.tv_nsec = 0;
446 nanosleep(&ts1, NULL);
e5433ad8 447}
448
b311af62 449#endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */
e5433ad8 450
451#if !defined(HAS_USLEEP) && defined(HAS_POLL)
452#define HAS_USLEEP
453#define usleep hrt_usleep /* could conflict with ncurses for static build */
454
455void
456hrt_usleep(unsigned long usec)
457{
458 int msec = usec / 1000;
459 poll(0, 0, msec);
460}
461
462#endif /* #if !defined(HAS_USLEEP) && defined(HAS_POLL) */
dcf686c9 463
34f69483 464#if defined(HAS_SETITIMER) && defined(ITIMER_REAL)
dcf686c9 465int
34f69483 466hrt_ualarm_itimer(int usec, int interval)
dcf686c9 467{
468 struct itimerval itv;
47e797f6 469 itv.it_value.tv_sec = usec / IV_1E6;
470 itv.it_value.tv_usec = usec % IV_1E6;
471 itv.it_interval.tv_sec = interval / IV_1E6;
472 itv.it_interval.tv_usec = interval % IV_1E6;
dcf686c9 473 return setitimer(ITIMER_REAL, &itv, 0);
474}
75d5269b 475#ifdef HAS_UALARM
476int
477hrt_ualarm(int usec, int interval) /* for binary compat before 1.91 */
478{
479 return hrt_ualarm_itimer(usec, interval);
480}
481#endif /* #ifdef HAS_UALARM */
44d3ce20 482#endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */
dcf686c9 483
34f69483 484#if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
485#define HAS_UALARM
486#define ualarm hrt_ualarm_itimer /* could conflict with ncurses for static build */
487#endif
488
ca40fe49 489#if !defined(HAS_UALARM) && defined(VMS)
490#define HAS_UALARM
491#define ualarm vms_ualarm
492
493#include <lib$routines.h>
494#include <ssdef.h>
495#include <starlet.h>
496#include <descrip.h>
497#include <signal.h>
498#include <jpidef.h>
499#include <psldef.h>
500
501#define VMSERR(s) (!((s)&1))
502
503static void
504us_to_VMS(useconds_t mseconds, unsigned long v[])
505{
506 int iss;
507 unsigned long qq[2];
508
509 qq[0] = mseconds;
510 qq[1] = 0;
511 v[0] = v[1] = 0;
512
513 iss = lib$addx(qq,qq,qq);
514 if (VMSERR(iss)) lib$signal(iss);
515 iss = lib$subx(v,qq,v);
516 if (VMSERR(iss)) lib$signal(iss);
517 iss = lib$addx(qq,qq,qq);
518 if (VMSERR(iss)) lib$signal(iss);
519 iss = lib$subx(v,qq,v);
520 if (VMSERR(iss)) lib$signal(iss);
521 iss = lib$subx(v,qq,v);
522 if (VMSERR(iss)) lib$signal(iss);
523}
524
525static int
526VMS_to_us(unsigned long v[])
527{
528 int iss;
529 unsigned long div=10,quot, rem;
530
531 iss = lib$ediv(&div,v,&quot,&rem);
532 if (VMSERR(iss)) lib$signal(iss);
533
534 return quot;
535}
536
537typedef unsigned short word;
538typedef struct _ualarm {
539 int function;
540 int repeat;
541 unsigned long delay[2];
542 unsigned long interval[2];
543 unsigned long remain[2];
544} Alarm;
545
546
547static int alarm_ef;
548static Alarm *a0, alarm_base;
549#define UAL_NULL 0
550#define UAL_SET 1
551#define UAL_CLEAR 2
552#define UAL_ACTIVE 4
553static void ualarm_AST(Alarm *a);
554
555static int
556vms_ualarm(int mseconds, int interval)
557{
558 Alarm *a, abase;
559 struct item_list3 {
560 word length;
561 word code;
562 void *bufaddr;
563 void *retlenaddr;
564 } ;
565 static struct item_list3 itmlst[2];
566 static int first = 1;
567 unsigned long asten;
568 int iss, enabled;
569
570 if (first) {
571 first = 0;
572 itmlst[0].code = JPI$_ASTEN;
573 itmlst[0].length = sizeof(asten);
574 itmlst[0].retlenaddr = NULL;
575 itmlst[1].code = 0;
576 itmlst[1].length = 0;
577 itmlst[1].bufaddr = NULL;
578 itmlst[1].retlenaddr = NULL;
579
580 iss = lib$get_ef(&alarm_ef);
581 if (VMSERR(iss)) lib$signal(iss);
582
583 a0 = &alarm_base;
584 a0->function = UAL_NULL;
585 }
586 itmlst[0].bufaddr = &asten;
587
588 iss = sys$getjpiw(0,0,0,itmlst,0,0,0);
589 if (VMSERR(iss)) lib$signal(iss);
590 if (!(asten&0x08)) return -1;
591
592 a = &abase;
593 if (mseconds) {
594 a->function = UAL_SET;
595 } else {
596 a->function = UAL_CLEAR;
597 }
598
599 us_to_VMS(mseconds, a->delay);
600 if (interval) {
601 us_to_VMS(interval, a->interval);
602 a->repeat = 1;
603 } else
604 a->repeat = 0;
605
606 iss = sys$clref(alarm_ef);
607 if (VMSERR(iss)) lib$signal(iss);
608
609 iss = sys$dclast(ualarm_AST,a,0);
610 if (VMSERR(iss)) lib$signal(iss);
611
612 iss = sys$waitfr(alarm_ef);
613 if (VMSERR(iss)) lib$signal(iss);
614
615 if (a->function == UAL_ACTIVE)
616 return VMS_to_us(a->remain);
617 else
618 return 0;
619}
620
621
622
623static void
624ualarm_AST(Alarm *a)
625{
626 int iss;
627 unsigned long now[2];
628
629 iss = sys$gettim(now);
630 if (VMSERR(iss)) lib$signal(iss);
631
632 if (a->function == UAL_SET || a->function == UAL_CLEAR) {
633 if (a0->function == UAL_ACTIVE) {
634 iss = sys$cantim(a0,PSL$C_USER);
635 if (VMSERR(iss)) lib$signal(iss);
636
637 iss = lib$subx(a0->remain, now, a->remain);
638 if (VMSERR(iss)) lib$signal(iss);
639
640 if (a->remain[1] & 0x80000000)
641 a->remain[0] = a->remain[1] = 0;
642 }
643
644 if (a->function == UAL_SET) {
645 a->function = a0->function;
646 a0->function = UAL_ACTIVE;
647 a0->repeat = a->repeat;
648 if (a0->repeat) {
649 a0->interval[0] = a->interval[0];
650 a0->interval[1] = a->interval[1];
651 }
652 a0->delay[0] = a->delay[0];
653 a0->delay[1] = a->delay[1];
654
655 iss = lib$subx(now, a0->delay, a0->remain);
656 if (VMSERR(iss)) lib$signal(iss);
657
658 iss = sys$setimr(0,a0->delay,ualarm_AST,a0);
659 if (VMSERR(iss)) lib$signal(iss);
660 } else {
661 a->function = a0->function;
662 a0->function = UAL_NULL;
663 }
664 iss = sys$setef(alarm_ef);
665 if (VMSERR(iss)) lib$signal(iss);
666 } else if (a->function == UAL_ACTIVE) {
667 if (a->repeat) {
668 iss = lib$subx(now, a->interval, a->remain);
669 if (VMSERR(iss)) lib$signal(iss);
670
671 iss = sys$setimr(0,a->interval,ualarm_AST,a);
672 if (VMSERR(iss)) lib$signal(iss);
673 } else {
674 a->function = UAL_NULL;
675 }
676 iss = sys$wake(0,0);
677 if (VMSERR(iss)) lib$signal(iss);
678 lib$signal(SS$_ASTFLT);
679 } else {
680 lib$signal(SS$_BADPARAM);
681 }
682}
683
44d3ce20 684#endif /* #if !defined(HAS_UALARM) && defined(VMS) */
ca40fe49 685
dcf686c9 686#ifdef HAS_GETTIMEOFDAY
687
a2e20b18 688static int
0225372c 689myU2time(pTHX_ UV *ret)
dcf686c9 690{
691 struct timeval Tp;
692 int status;
6e3b076d 693 status = gettimeofday (&Tp, NULL);
dcf686c9 694 ret[0] = Tp.tv_sec;
695 ret[1] = Tp.tv_usec;
a2e20b18 696 return status;
dcf686c9 697}
698
3c72ec00 699static NV
dcf686c9 700myNVtime()
701{
0225372c 702#ifdef WIN32
4ed0e2d4 703 dTHX;
0225372c 704#endif
dcf686c9 705 struct timeval Tp;
706 int status;
6e3b076d 707 status = gettimeofday (&Tp, NULL);
47e797f6 708 return status == 0 ? Tp.tv_sec + (Tp.tv_usec / NV_1E6) : -1.0;
dcf686c9 709}
710
44d3ce20 711#endif /* #ifdef HAS_GETTIMEOFDAY */
dcf686c9 712
75d5269b 713static void
714hrstatns(UV atime, UV mtime, UV ctime, UV *atime_nsec, UV *mtime_nsec, UV *ctime_nsec)
715{
9e000d5b 716 dTHXR;
75d5269b 717 *atime_nsec = 0;
718 *mtime_nsec = 0;
719 *ctime_nsec = 0;
720#ifdef TIME_HIRES_STAT
721#if TIME_HIRES_STAT == 1
722 *atime_nsec = PL_statcache.st_atimespec.tv_nsec;
723 *mtime_nsec = PL_statcache.st_mtimespec.tv_nsec;
724 *ctime_nsec = PL_statcache.st_ctimespec.tv_nsec;
725#endif
726#if TIME_HIRES_STAT == 2
727 *atime_nsec = PL_statcache.st_atimensec;
728 *mtime_nsec = PL_statcache.st_mtimensec;
729 *ctime_nsec = PL_statcache.st_ctimensec;
730#endif
731#if TIME_HIRES_STAT == 3
732 *atime_nsec = PL_statcache.st_atime_n;
733 *mtime_nsec = PL_statcache.st_mtime_n;
734 *ctime_nsec = PL_statcache.st_ctime_n;
735#endif
736#if TIME_HIRES_STAT == 4
737 *atime_nsec = PL_statcache.st_atim.tv_nsec;
738 *mtime_nsec = PL_statcache.st_mtim.tv_nsec;
739 *ctime_nsec = PL_statcache.st_ctim.tv_nsec;
740#endif
741#if TIME_HIRES_STAT == 5
742 *atime_nsec = PL_statcache.st_uatime * 1000;
743 *mtime_nsec = PL_statcache.st_umtime * 1000;
744 *ctime_nsec = PL_statcache.st_uctime * 1000;
745#endif
746#endif
747}
748
82cbdcc3 749#include "const-c.inc"
750
dcf686c9 751MODULE = Time::HiRes PACKAGE = Time::HiRes
752
753PROTOTYPES: ENABLE
754
755BOOT:
0225372c 756{
757#ifdef MY_CXT_KEY
758 MY_CXT_INIT;
759#endif
3f2ee006 760#ifdef ATLEASTFIVEOHOHFIVE
9e000d5b 761# ifdef HAS_GETTIMEOFDAY
0225372c 762 {
0225372c 763 hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
06252d99 764 hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0);
0225372c 765 }
9e000d5b 766# endif
dcf686c9 767#endif
0225372c 768}
769
770#if defined(USE_ITHREADS) && defined(MY_CXT_KEY)
771
772void
773CLONE(...)
774 CODE:
775 MY_CXT_CLONE;
776
3f2ee006 777#endif
dcf686c9 778
98b50af3 779INCLUDE: const-xs.inc
3c72ec00 780
52d72fba 781#if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
dcf686c9 782
92bc48ca 783NV
dcf686c9 784usleep(useconds)
92bc48ca 785 NV useconds
52d72fba 786 PREINIT:
787 struct timeval Ta, Tb;
788 CODE:
6e3b076d 789 gettimeofday(&Ta, NULL);
52d72fba 790 if (items > 0) {
92bc48ca 791 if (useconds > 1E6) {
792 IV seconds = (IV) (useconds / 1E6);
f7916ddb 793 /* If usleep() has been implemented using setitimer()
794 * then this contortion is unnecessary-- but usleep()
795 * may be implemented in some other way, so let's contort. */
796 if (seconds) {
797 sleep(seconds);
798 useconds -= 1E6 * seconds;
799 }
800 } else if (useconds < 0.0)
801 croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds);
9a2ac92c 802 usleep((U32)useconds);
52d72fba 803 } else
804 PerlProc_pause();
6e3b076d 805 gettimeofday(&Tb, NULL);
92bc48ca 806#if 0
807 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
808#endif
809 RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec);
dcf686c9 810
52d72fba 811 OUTPUT:
812 RETVAL
813
44d3ce20 814#if defined(TIME_HIRES_NANOSLEEP)
815
816NV
170c5524 817nanosleep(nsec)
818 NV nsec
44d3ce20 819 PREINIT:
a8fb48f7 820 struct timespec sleepfor, unslept;
44d3ce20 821 CODE:
a8fb48f7 822 if (nsec < 0.0)
823 croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nsec);
22149ad2 824 sleepfor.tv_sec = (Time_t)(nsec / 1e9);
825 sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9);
a8fb48f7 826 if (!nanosleep(&sleepfor, &unslept)) {
827 RETVAL = nsec;
170c5524 828 } else {
a8fb48f7 829 sleepfor.tv_sec -= unslept.tv_sec;
830 sleepfor.tv_nsec -= unslept.tv_nsec;
831 if (sleepfor.tv_nsec < 0) {
832 sleepfor.tv_sec--;
833 sleepfor.tv_nsec += 1000000000;
834 }
835 RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec);
170c5524 836 }
a8fb48f7 837 OUTPUT:
44d3ce20 838 RETVAL
839
ced84e60 840#else /* #if defined(TIME_HIRES_NANOSLEEP) */
841
842NV
170c5524 843nanosleep(nsec)
844 NV nsec
ced84e60 845 CODE:
846 croak("Time::HiRes::nanosleep(): unimplemented in this platform");
847 RETVAL = 0.0;
848
44d3ce20 849#endif /* #if defined(TIME_HIRES_NANOSLEEP) */
850
52d72fba 851NV
f9d00e57 852sleep(...)
52d72fba 853 PREINIT:
854 struct timeval Ta, Tb;
dcf686c9 855 CODE:
6e3b076d 856 gettimeofday(&Ta, NULL);
92bc48ca 857 if (items > 0) {
858 NV seconds = SvNV(ST(0));
f7916ddb 859 if (seconds >= 0.0) {
7c436af3 860 UV useconds = (UV)(1E6 * (seconds - (UV)seconds));
4880edd6 861 if (seconds >= 1.0)
9a2ac92c 862 sleep((U32)seconds);
db0b859f 863 if ((IV)useconds < 0) {
864#if defined(__sparc64__) && defined(__GNUC__)
865 /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug
866 * where (0.5 - (UV)(0.5)) will under certain
867 * circumstances (if the double is cast to UV more
868 * than once?) evaluate to -0.5, instead of 0.5. */
869 useconds = -(IV)useconds;
44d3ce20 870#endif /* #if defined(__sparc64__) && defined(__GNUC__) */
db0b859f 871 if ((IV)useconds < 0)
872 croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds);
873 }
f7916ddb 874 usleep(useconds);
875 } else
876 croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
92bc48ca 877 } else
f9d00e57 878 PerlProc_pause();
6e3b076d 879 gettimeofday(&Tb, NULL);
92bc48ca 880#if 0
881 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
882#endif
52d72fba 883 RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec);
884
885 OUTPUT:
886 RETVAL
dcf686c9 887
ced84e60 888#else /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */
889
890NV
891usleep(useconds)
892 NV useconds
893 CODE:
894 croak("Time::HiRes::usleep(): unimplemented in this platform");
895 RETVAL = 0.0;
896
44d3ce20 897#endif /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */
dcf686c9 898
899#ifdef HAS_UALARM
900
3de7a4ec 901int
dcf686c9 902ualarm(useconds,interval=0)
903 int useconds
904 int interval
f7916ddb 905 CODE:
906 if (useconds < 0 || interval < 0)
3de7a4ec 907 croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval);
34f69483 908 if (useconds >= IV_1E6 || interval >= IV_1E6)
909#if defined(HAS_SETITIMER) && defined(ITIMER_REAL)
910 RETVAL = hrt_ualarm_itimer(useconds, interval);
911#else
912 croak("Time::HiRes::ualarm(%d, %d): useconds or interval equal or more than %"IVdf, useconds, interval, IV_1E6);
913#endif
914 else
915 RETVAL = ualarm(useconds, interval);
dcf686c9 916
f7916ddb 917 OUTPUT:
918 RETVAL
919
920NV
921alarm(seconds,interval=0)
922 NV seconds
923 NV interval
dcf686c9 924 CODE:
f7916ddb 925 if (seconds < 0.0 || interval < 0.0)
926 croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval);
47e797f6 927 RETVAL = (NV)ualarm((IV)(seconds * IV_1E6),
928 (IV)(interval * IV_1E6)) / NV_1E6;
dcf686c9 929
c6c619a9 930 OUTPUT:
931 RETVAL
932
ced84e60 933#else
934
935int
936ualarm(useconds,interval=0)
937 int useconds
938 int interval
939 CODE:
940 croak("Time::HiRes::ualarm(): unimplemented in this platform");
941 RETVAL = -1;
942
943NV
944alarm(seconds,interval=0)
945 NV seconds
946 NV interval
947 CODE:
948 croak("Time::HiRes::alarm(): unimplemented in this platform");
949 RETVAL = 0.0;
950
44d3ce20 951#endif /* #ifdef HAS_UALARM */
dcf686c9 952
953#ifdef HAS_GETTIMEOFDAY
db835671 954# ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */
955void
956gettimeofday()
957 PREINIT:
958 struct timeval Tp;
959 struct timezone Tz;
960 PPCODE:
961 int status;
6e3b076d 962 status = gettimeofday (&Tp, &Tz);
db835671 963
993164ab 964 if (status == 0) {
965 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
966 if (GIMME == G_ARRAY) {
967 EXTEND(sp, 2);
968 /* Mac OS (Classic) has unsigned time_t */
969 PUSHs(sv_2mortal(newSVuv(Tp.tv_sec)));
970 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
971 } else {
972 EXTEND(sp, 1);
47e797f6 973 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6))));
993164ab 974 }
db835671 975 }
976
977NV
978time()
979 PREINIT:
980 struct timeval Tp;
981 struct timezone Tz;
982 CODE:
983 int status;
6e3b076d 984 status = gettimeofday (&Tp, &Tz);
993164ab 985 if (status == 0) {
986 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
47e797f6 987 RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6);
993164ab 988 } else {
989 RETVAL = -1.0;
990 }
db835671 991 OUTPUT:
992 RETVAL
dcf686c9 993
db835671 994# else /* MACOS_TRADITIONAL */
dcf686c9 995void
996gettimeofday()
997 PREINIT:
998 struct timeval Tp;
999 PPCODE:
1000 int status;
6e3b076d 1001 status = gettimeofday (&Tp, NULL);
993164ab 1002 if (status == 0) {
1003 if (GIMME == G_ARRAY) {
1004 EXTEND(sp, 2);
1005 PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
1006 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
1007 } else {
1008 EXTEND(sp, 1);
47e797f6 1009 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6))));
993164ab 1010 }
dcf686c9 1011 }
1012
3c72ec00 1013NV
dcf686c9 1014time()
1015 PREINIT:
1016 struct timeval Tp;
1017 CODE:
1018 int status;
6e3b076d 1019 status = gettimeofday (&Tp, NULL);
993164ab 1020 if (status == 0) {
47e797f6 1021 RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6);
993164ab 1022 } else {
1023 RETVAL = -1.0;
1024 }
dcf686c9 1025 OUTPUT:
1026 RETVAL
1027
db835671 1028# endif /* MACOS_TRADITIONAL */
44d3ce20 1029#endif /* #ifdef HAS_GETTIMEOFDAY */
dcf686c9 1030
3c72ec00 1031#if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
1032
1033#define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec))
1034
1035void
1036setitimer(which, seconds, interval = 0)
1037 int which
1038 NV seconds
1039 NV interval
1040 PREINIT:
1041 struct itimerval newit;
1042 struct itimerval oldit;
1043 PPCODE:
f7916ddb 1044 if (seconds < 0.0 || interval < 0.0)
436c6dd3 1045 croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval);
47e797f6 1046 newit.it_value.tv_sec = (IV)seconds;
3c72ec00 1047 newit.it_value.tv_usec =
47e797f6 1048 (IV)((seconds - (NV)newit.it_value.tv_sec) * NV_1E6);
1049 newit.it_interval.tv_sec = (IV)interval;
3c72ec00 1050 newit.it_interval.tv_usec =
47e797f6 1051 (IV)((interval - (NV)newit.it_interval.tv_sec) * NV_1E6);
3c72ec00 1052 if (setitimer(which, &newit, &oldit) == 0) {
1053 EXTEND(sp, 1);
1054 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value))));
1055 if (GIMME == G_ARRAY) {
1056 EXTEND(sp, 1);
1057 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval))));
1058 }
1059 }
1060
1061void
1062getitimer(which)
1063 int which
1064 PREINIT:
1065 struct itimerval nowit;
1066 PPCODE:
1067 if (getitimer(which, &nowit) == 0) {
1068 EXTEND(sp, 1);
1069 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value))));
1070 if (GIMME == G_ARRAY) {
1071 EXTEND(sp, 1);
1072 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval))));
1073 }
1074 }
1075
44d3ce20 1076#endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */
1077
ced84e60 1078#if defined(TIME_HIRES_CLOCK_GETTIME)
1079
1080NV
1081clock_gettime(clock_id = CLOCK_REALTIME)
1082 int clock_id
1083 PREINIT:
1084 struct timespec ts;
1085 int status = -1;
1086 CODE:
1087#ifdef TIME_HIRES_CLOCK_GETTIME_SYSCALL
1088 status = syscall(SYS_clock_gettime, clock_id, &ts);
1089#else
1090 status = clock_gettime(clock_id, &ts);
1091#endif
1092 RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1;
1093
1094 OUTPUT:
1095 RETVAL
1096
1097#else /* if defined(TIME_HIRES_CLOCK_GETTIME) */
1098
1099NV
1100clock_gettime(clock_id = 0)
1101 int clock_id
1102 CODE:
1103 croak("Time::HiRes::clock_gettime(): unimplemented in this platform");
1104 RETVAL = 0.0;
1105
1106#endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) */
1107
1108#if defined(TIME_HIRES_CLOCK_GETRES)
1109
1110NV
1111clock_getres(clock_id = CLOCK_REALTIME)
1112 int clock_id
1113 PREINIT:
1114 int status = -1;
1115 struct timespec ts;
1116 CODE:
1117#ifdef TIME_HIRES_CLOCK_GETRES_SYSCALL
1118 status = syscall(SYS_clock_getres, clock_id, &ts);
1119#else
1120 status = clock_getres(clock_id, &ts);
1121#endif
1122 RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1;
1123
1124 OUTPUT:
1125 RETVAL
1126
1127#else /* if defined(TIME_HIRES_CLOCK_GETRES) */
1128
1129NV
1130clock_getres(clock_id = 0)
1131 int clock_id
1132 CODE:
1133 croak("Time::HiRes::clock_getres(): unimplemented in this platform");
1134 RETVAL = 0.0;
1135
1136#endif /* #if defined(TIME_HIRES_CLOCK_GETRES) */
1137
170c5524 1138#if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME)
1139
1140NV
a8fb48f7 1141clock_nanosleep(clock_id, nsec, flags = 0)
170c5524 1142 int clock_id
a8fb48f7 1143 NV nsec
170c5524 1144 int flags
1145 PREINIT:
a8fb48f7 1146 struct timespec sleepfor, unslept;
170c5524 1147 CODE:
a8fb48f7 1148 if (nsec < 0.0)
1149 croak("Time::HiRes::clock_nanosleep(..., %"NVgf"): negative time not invented yet", nsec);
22149ad2 1150 sleepfor.tv_sec = (Time_t)(nsec / 1e9);
1151 sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9);
a8fb48f7 1152 if (!clock_nanosleep(clock_id, flags, &sleepfor, &unslept)) {
1153 RETVAL = nsec;
170c5524 1154 } else {
a8fb48f7 1155 sleepfor.tv_sec -= unslept.tv_sec;
1156 sleepfor.tv_nsec -= unslept.tv_nsec;
1157 if (sleepfor.tv_nsec < 0) {
1158 sleepfor.tv_sec--;
1159 sleepfor.tv_nsec += 1000000000;
1160 }
1161 RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec);
170c5524 1162 }
170c5524 1163 OUTPUT:
1164 RETVAL
1165
1166#else /* if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */
1167
1168NV
1169clock_nanosleep()
1170 CODE:
1171 croak("Time::HiRes::clock_nanosleep(): unimplemented in this platform");
1172 RETVAL = 0.0;
1173
1174#endif /* #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */
1175
1176#if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC)
1177
1178NV
1179clock()
1180 PREINIT:
1181 clock_t clocks;
1182 CODE:
1183 clocks = clock();
1184 RETVAL = clocks == -1 ? -1 : (NV)clocks / (NV)CLOCKS_PER_SEC;
1185
1186 OUTPUT:
1187 RETVAL
1188
1189#else /* if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */
1190
1191NV
1192clock()
1193 CODE:
1194 croak("Time::HiRes::clock(): unimplemented in this platform");
1195 RETVAL = 0.0;
1196
1197#endif /* #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */
1198
86413ec0 1199void
75d5269b 1200stat(...)
1201PROTOTYPE: ;$
1202 PPCODE:
1203 PUSHMARK(SP);
1204 XPUSHs(sv_2mortal(newSVsv(items == 1 ? ST(0) : DEFSV)));
1205 PUTBACK;
1206 ENTER;
1207 PL_laststatval = -1;
9e000d5b 1208 (void)*(PL_ppaddr[OP_STAT])(aTHXR);
75d5269b 1209 SPAGAIN;
1210 LEAVE;
1211 if (PL_laststatval == 0) {
71ac5476 1212 /* We assume that pp_stat() left us with 13 valid stack items,
1213 * and that the timestamps are at offsets 8, 9, and 10. */
75d5269b 1214 UV atime = SvUV(ST( 8));
1215 UV mtime = SvUV(ST( 9));
1216 UV ctime = SvUV(ST(10));
1217 UV atime_nsec;
1218 UV mtime_nsec;
1219 UV ctime_nsec;
1220 hrstatns(atime, mtime, ctime,
1221 &atime_nsec, &mtime_nsec, &ctime_nsec);
1222 if (atime_nsec)
1223 ST( 8) = sv_2mortal(newSVnv(atime + 1e-9 * (NV) atime_nsec));
1224 if (mtime_nsec)
1225 ST( 9) = sv_2mortal(newSVnv(mtime + 1e-9 * (NV) mtime_nsec));
1226 if (ctime_nsec)
1227 ST(10) = sv_2mortal(newSVnv(ctime + 1e-9 * (NV) ctime_nsec));
1228 XSRETURN(13);
1229 }
1230 XSRETURN(0);
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