14 # include <sys/select.h>
27 # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
28 # define NVTYPE long double
30 # define NVTYPE double
37 # if IVSIZE == LONGSIZE
41 # if IVSIZE == INTSIZE
53 # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) && \
54 defined(PERL_PRIgldbl) /* Not very likely, but let's try anyway. */
55 # define NVgf PERL_PRIgldbl
63 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
65 # define INT2PTR(any,d) (any)(d)
67 # if PTRSIZE == LONGSIZE
68 # define PTRV unsigned long
70 # define PTRV unsigned
72 # define INT2PTR(any,d) (any)(PTRV)(d)
74 #define PTR2IV(p) INT2PTR(IV,p)
80 sv_2pv_nolen(pTHX_ register SV *sv)
83 return sv_2pv(sv, &n_a);
85 # define SvPV_nolen(sv) \
86 ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
87 ? SvPVX(sv) : sv_2pv_nolen(sv))
90 #ifndef PerlProc_pause
91 # define PerlProc_pause() Pause()
94 /* Though the cpp define ITIMER_VIRTUAL is available the functionality
95 * is not supported in Cygwin as of August 2002, ditto for Win32.
96 * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi
98 #if defined(__CYGWIN__) || defined(WIN32)
99 # undef ITIMER_VIRTUAL
101 # undef ITIMER_REALPROF
104 /* 5.004 doesn't define PL_sv_undef */
105 #ifndef ATLEASTFIVEOHOHFIVE
107 #define PL_sv_undef sv_undef
111 #include "const-c.inc"
113 #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32)
114 #define HAS_GETTIMEOFDAY
116 /* shows up in winsock.h?
124 unsigned __int64 ft_i64;
128 /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
130 #define Const64(x) x##LL
132 #define Const64(x) x##i64
134 #define EPOCH_BIAS Const64(116444736000000000)
136 /* NOTE: This does not compute the timezone info (doing so can be expensive,
137 * and appears to be unsupported even by glibc) */
139 gettimeofday (struct timeval *tp, void *not_used)
143 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
144 GetSystemTimeAsFileTime(&ft.ft_val);
146 /* seconds since epoch */
147 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
149 /* microseconds remaining */
150 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
156 #if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
157 #define HAS_GETTIMEOFDAY
160 #include <time.h> /* gettimeofday */
161 #include <stdlib.h> /* qdiv */
162 #include <starlet.h> /* sys$gettim */
165 #include <lib$routines.h> /* lib$ediv() */
169 VMS binary time is expressed in 100 nano-seconds since
170 system base time which is 17-NOV-1858 00:00:00.00
173 #define DIV_100NS_TO_SECS 10000000L
174 #define DIV_100NS_TO_USECS 10L
177 gettimeofday is supposed to return times since the epoch
178 so need to determine this in terms of VMS base time
180 static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00");
183 static long base_adjust[2]={0L,0L};
185 static __int64 base_adjust=0;
190 If we don't have gettimeofday, then likely we are on a VMS machine that
191 operates on local time rather than UTC...so we have to zone-adjust.
192 This code gleefully swiped from VMS.C
195 /* method used to handle UTC conversions:
196 * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction
198 static int gmtime_emulation_type;
199 /* number of secs to add to UTC POSIX-style time to get local time */
200 static long int utc_offset_secs;
201 static struct dsc$descriptor_s fildevdsc =
202 { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" };
203 static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL };
205 static time_t toutc_dst(time_t loc) {
208 if ((rsltmp = localtime(&loc)) == NULL) return -1;
209 loc -= utc_offset_secs;
210 if (rsltmp->tm_isdst) loc -= 3600;
214 static time_t toloc_dst(time_t utc) {
217 utc += utc_offset_secs;
218 if ((rsltmp = localtime(&utc)) == NULL) return -1;
219 if (rsltmp->tm_isdst) utc += 3600;
223 #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
224 ((gmtime_emulation_type || timezone_setup()), \
225 (gmtime_emulation_type == 1 ? toutc_dst(secs) : \
226 ((secs) - utc_offset_secs))))
228 #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
229 ((gmtime_emulation_type || timezone_setup()), \
230 (gmtime_emulation_type == 1 ? toloc_dst(secs) : \
231 ((secs) + utc_offset_secs))))
238 if (gmtime_emulation_type == 0) {
240 time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */
241 /* results of calls to gmtime() and localtime() */
244 gmtime_emulation_type++;
245 if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
246 char off[LNM$C_NAMLENGTH+1];;
248 gmtime_emulation_type++;
249 if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
250 gmtime_emulation_type++;
252 Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
254 else { utc_offset_secs = atol(off); }
256 else { /* We've got a working gmtime() */
257 struct tm gmt, local;
260 tm_p = localtime(&base);
262 utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
263 utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
264 utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
265 utc_offset_secs += (local.tm_sec - gmt.tm_sec);
273 gettimeofday (struct timeval *tp, void *tpz)
279 long div_100ns_to_secs;
280 long div_100ns_to_usecs;
288 In case of error, tv_usec = 0 and tv_sec = VMS condition code.
289 The return from function is also set to -1.
290 This is not exactly as per the manual page.
296 if (base_adjust[0]==0 && base_adjust[1]==0) {
298 if (base_adjust==0) { /* Need to determine epoch adjustment */
300 ret=sys$bintim(&dscepoch,&base_adjust);
301 if (1 != (ret &&1)) {
307 ret=sys$gettim(&quad); /* Get VMS system time */
308 if ((1 && ret) == 1) {
310 quad[0] -= base_adjust[0]; /* convert to epoch offset */
311 quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */
312 div_100ns_to_secs = DIV_100NS_TO_SECS;
313 div_100ns_to_usecs = DIV_100NS_TO_USECS;
314 lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem);
317 lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1);
318 tp->tv_sec = quo; /* Whole seconds */
319 tp->tv_usec = quo1; /* Micro-seconds */
321 quad -= base_adjust; /* convert to epoch offset */
322 ans1=qdiv(quad,DIV_100NS_TO_SECS);
323 ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS);
324 tp->tv_sec = ans1.quot; /* Whole seconds */
325 tp->tv_usec = ans2.quot; /* Micro-seconds */
333 if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec);
335 if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec);
343 /* Do not use H A S _ N A N O S L E E P
344 * so that Perl Configure doesn't scan for it.
345 * The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */
346 #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP)
348 #define usleep hrt_nanosleep /* could conflict with ncurses for static build */
351 hrt_nanosleep(unsigned long usec)
354 res.tv_sec = usec/1000/1000;
355 res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000;
356 nanosleep(&res, NULL);
361 #if !defined(HAS_USLEEP) && defined(HAS_SELECT)
362 #ifndef SELECT_IS_BROKEN
364 #define usleep hrt_usleep /* could conflict with ncurses for static build */
367 hrt_usleep(unsigned long usec)
372 select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL,
373 (Select_fd_set_t)NULL, &tv);
378 #if !defined(HAS_USLEEP) && defined(WIN32)
380 #define usleep hrt_usleep /* could conflict with ncurses for static build */
383 hrt_usleep(unsigned long usec)
392 #if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
394 #define ualarm hrt_ualarm /* could conflict with ncurses for static build */
397 hrt_ualarm(int usec, int interval)
399 struct itimerval itv;
400 itv.it_value.tv_sec = usec / 1000000;
401 itv.it_value.tv_usec = usec % 1000000;
402 itv.it_interval.tv_sec = interval / 1000000;
403 itv.it_interval.tv_usec = interval % 1000000;
404 return setitimer(ITIMER_REAL, &itv, 0);
408 #if !defined(HAS_UALARM) && defined(VMS)
410 #define ualarm vms_ualarm
412 #include <lib$routines.h>
420 #define VMSERR(s) (!((s)&1))
423 us_to_VMS(useconds_t mseconds, unsigned long v[])
432 iss = lib$addx(qq,qq,qq);
433 if (VMSERR(iss)) lib$signal(iss);
434 iss = lib$subx(v,qq,v);
435 if (VMSERR(iss)) lib$signal(iss);
436 iss = lib$addx(qq,qq,qq);
437 if (VMSERR(iss)) lib$signal(iss);
438 iss = lib$subx(v,qq,v);
439 if (VMSERR(iss)) lib$signal(iss);
440 iss = lib$subx(v,qq,v);
441 if (VMSERR(iss)) lib$signal(iss);
445 VMS_to_us(unsigned long v[])
448 unsigned long div=10,quot, rem;
450 iss = lib$ediv(&div,v,",&rem);
451 if (VMSERR(iss)) lib$signal(iss);
456 typedef unsigned short word;
457 typedef struct _ualarm {
460 unsigned long delay[2];
461 unsigned long interval[2];
462 unsigned long remain[2];
467 static Alarm *a0, alarm_base;
472 static void ualarm_AST(Alarm *a);
475 vms_ualarm(int mseconds, int interval)
484 static struct item_list3 itmlst[2];
485 static int first = 1;
491 itmlst[0].code = JPI$_ASTEN;
492 itmlst[0].length = sizeof(asten);
493 itmlst[0].retlenaddr = NULL;
495 itmlst[1].length = 0;
496 itmlst[1].bufaddr = NULL;
497 itmlst[1].retlenaddr = NULL;
499 iss = lib$get_ef(&alarm_ef);
500 if (VMSERR(iss)) lib$signal(iss);
503 a0->function = UAL_NULL;
505 itmlst[0].bufaddr = &asten;
507 iss = sys$getjpiw(0,0,0,itmlst,0,0,0);
508 if (VMSERR(iss)) lib$signal(iss);
509 if (!(asten&0x08)) return -1;
513 a->function = UAL_SET;
515 a->function = UAL_CLEAR;
518 us_to_VMS(mseconds, a->delay);
520 us_to_VMS(interval, a->interval);
525 iss = sys$clref(alarm_ef);
526 if (VMSERR(iss)) lib$signal(iss);
528 iss = sys$dclast(ualarm_AST,a,0);
529 if (VMSERR(iss)) lib$signal(iss);
531 iss = sys$waitfr(alarm_ef);
532 if (VMSERR(iss)) lib$signal(iss);
534 if (a->function == UAL_ACTIVE)
535 return VMS_to_us(a->remain);
546 unsigned long now[2];
548 iss = sys$gettim(now);
549 if (VMSERR(iss)) lib$signal(iss);
551 if (a->function == UAL_SET || a->function == UAL_CLEAR) {
552 if (a0->function == UAL_ACTIVE) {
553 iss = sys$cantim(a0,PSL$C_USER);
554 if (VMSERR(iss)) lib$signal(iss);
556 iss = lib$subx(a0->remain, now, a->remain);
557 if (VMSERR(iss)) lib$signal(iss);
559 if (a->remain[1] & 0x80000000)
560 a->remain[0] = a->remain[1] = 0;
563 if (a->function == UAL_SET) {
564 a->function = a0->function;
565 a0->function = UAL_ACTIVE;
566 a0->repeat = a->repeat;
568 a0->interval[0] = a->interval[0];
569 a0->interval[1] = a->interval[1];
571 a0->delay[0] = a->delay[0];
572 a0->delay[1] = a->delay[1];
574 iss = lib$subx(now, a0->delay, a0->remain);
575 if (VMSERR(iss)) lib$signal(iss);
577 iss = sys$setimr(0,a0->delay,ualarm_AST,a0);
578 if (VMSERR(iss)) lib$signal(iss);
580 a->function = a0->function;
581 a0->function = UAL_NULL;
583 iss = sys$setef(alarm_ef);
584 if (VMSERR(iss)) lib$signal(iss);
585 } else if (a->function == UAL_ACTIVE) {
587 iss = lib$subx(now, a->interval, a->remain);
588 if (VMSERR(iss)) lib$signal(iss);
590 iss = sys$setimr(0,a->interval,ualarm_AST,a);
591 if (VMSERR(iss)) lib$signal(iss);
593 a->function = UAL_NULL;
596 if (VMSERR(iss)) lib$signal(iss);
597 lib$signal(SS$_ASTFLT);
599 lib$signal(SS$_BADPARAM);
603 #endif /* !HAS_UALARM && VMS */
605 #ifdef HAS_GETTIMEOFDAY
612 status = gettimeofday (&Tp, NULL);
623 status = gettimeofday (&Tp, NULL);
624 return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0;
629 MODULE = Time::HiRes PACKAGE = Time::HiRes
634 #ifdef ATLEASTFIVEOHOHFIVE
635 #ifdef HAS_GETTIMEOFDAY
638 hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
639 if (myU2time(auv) == 0)
640 hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0);
645 INCLUDE: const-xs.inc
647 #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
653 struct timeval Ta, Tb;
655 gettimeofday(&Ta, NULL);
657 if (useconds > 1E6) {
658 IV seconds = (IV) (useconds / 1E6);
659 /* If usleep() has been implemented using setitimer()
660 * then this contortion is unnecessary-- but usleep()
661 * may be implemented in some other way, so let's contort. */
664 useconds -= 1E6 * seconds;
666 } else if (useconds < 0.0)
667 croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds);
668 usleep((U32)useconds);
671 gettimeofday(&Tb, NULL);
673 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
675 RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec);
683 struct timeval Ta, Tb;
685 gettimeofday(&Ta, NULL);
687 NV seconds = SvNV(ST(0));
688 if (seconds >= 0.0) {
689 UV useconds = (UV)(1E6 * (seconds - (UV)seconds));
692 if ((IV)useconds < 0) {
693 #if defined(__sparc64__) && defined(__GNUC__)
694 /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug
695 * where (0.5 - (UV)(0.5)) will under certain
696 * circumstances (if the double is cast to UV more
697 * than once?) evaluate to -0.5, instead of 0.5. */
698 useconds = -(IV)useconds;
700 if ((IV)useconds < 0)
701 croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds);
705 croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
708 gettimeofday(&Tb, NULL);
710 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
712 RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec);
722 ualarm(useconds,interval=0)
726 if (useconds < 0 || interval < 0)
727 croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval);
728 RETVAL = ualarm(useconds, interval);
734 alarm(seconds,interval=0)
738 if (seconds < 0.0 || interval < 0.0)
739 croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval);
740 RETVAL = (NV)ualarm(seconds * 1000000,
741 interval * 1000000) / 1E6;
748 #ifdef HAS_GETTIMEOFDAY
749 # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */
757 status = gettimeofday (&Tp, &Tz);
758 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
760 if (GIMME == G_ARRAY) {
762 /* Mac OS (Classic) has unsigned time_t */
763 PUSHs(sv_2mortal(newSVuv(Tp.tv_sec)));
764 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
767 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
777 status = gettimeofday (&Tp, &Tz);
778 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
779 RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0);
783 # else /* MACOS_TRADITIONAL */
790 status = gettimeofday (&Tp, NULL);
791 if (GIMME == G_ARRAY) {
793 PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
794 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
797 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
806 status = gettimeofday (&Tp, NULL);
807 RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.);
811 # endif /* MACOS_TRADITIONAL */
814 #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
816 #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec))
819 setitimer(which, seconds, interval = 0)
824 struct itimerval newit;
825 struct itimerval oldit;
827 if (seconds < 0.0 || interval < 0.0)
828 croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval);
829 newit.it_value.tv_sec = seconds;
830 newit.it_value.tv_usec =
831 (seconds - (NV)newit.it_value.tv_sec) * 1000000.0;
832 newit.it_interval.tv_sec = interval;
833 newit.it_interval.tv_usec =
834 (interval - (NV)newit.it_interval.tv_sec) * 1000000.0;
835 if (setitimer(which, &newit, &oldit) == 0) {
837 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value))));
838 if (GIMME == G_ARRAY) {
840 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval))));
848 struct itimerval nowit;
850 if (getitimer(which, &nowit) == 0) {
852 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value))));
853 if (GIMME == G_ARRAY) {
855 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval))));