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$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1);
318 tp->tv_sec = quo; /* Whole seconds */
319 tp->tv_usec = quo1; /* Micro-seconds */
321 quad -= base_adjust; /* convert to epoch offset */
322 ans1=qdiv(quad,DIV_100NS_TO_SECS);
323 ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS);
324 tp->tv_sec = ans1.quot; /* Whole seconds */
325 tp->tv_usec = ans2.quot; /* Micro-seconds */
333 if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec);
335 if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec);
343 #if !defined(HAS_USLEEP) && defined(HAS_NANOSLEEP)
345 #define usleep hrt_nanosleep /* could conflict with ncurses for static build */
348 hrt_nanosleep(unsigned long usec)
351 res.tv_sec = usec/1000/1000;
352 res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000;
353 nanosleep(&res, NULL);
358 #if !defined(HAS_USLEEP) && defined(HAS_SELECT)
359 #ifndef SELECT_IS_BROKEN
361 #define usleep hrt_usleep /* could conflict with ncurses for static build */
364 hrt_usleep(unsigned long usec)
369 select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL,
370 (Select_fd_set_t)NULL, &tv);
375 #if !defined(HAS_USLEEP) && defined(WIN32)
377 #define usleep hrt_usleep /* could conflict with ncurses for static build */
380 hrt_usleep(unsigned long usec)
389 #if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
391 #define ualarm hrt_ualarm /* could conflict with ncurses for static build */
394 hrt_ualarm(int usec, int interval)
396 struct itimerval itv;
397 itv.it_value.tv_sec = usec / 1000000;
398 itv.it_value.tv_usec = usec % 1000000;
399 itv.it_interval.tv_sec = interval / 1000000;
400 itv.it_interval.tv_usec = interval % 1000000;
401 return setitimer(ITIMER_REAL, &itv, 0);
405 #if !defined(HAS_UALARM) && defined(VMS)
407 #define ualarm vms_ualarm
409 #include <lib$routines.h>
417 #define VMSERR(s) (!((s)&1))
420 us_to_VMS(useconds_t mseconds, unsigned long v[])
429 iss = lib$addx(qq,qq,qq);
430 if (VMSERR(iss)) lib$signal(iss);
431 iss = lib$subx(v,qq,v);
432 if (VMSERR(iss)) lib$signal(iss);
433 iss = lib$addx(qq,qq,qq);
434 if (VMSERR(iss)) lib$signal(iss);
435 iss = lib$subx(v,qq,v);
436 if (VMSERR(iss)) lib$signal(iss);
437 iss = lib$subx(v,qq,v);
438 if (VMSERR(iss)) lib$signal(iss);
442 VMS_to_us(unsigned long v[])
445 unsigned long div=10,quot, rem;
447 iss = lib$ediv(&div,v,",&rem);
448 if (VMSERR(iss)) lib$signal(iss);
453 typedef unsigned short word;
454 typedef struct _ualarm {
457 unsigned long delay[2];
458 unsigned long interval[2];
459 unsigned long remain[2];
464 static Alarm *a0, alarm_base;
469 static void ualarm_AST(Alarm *a);
472 vms_ualarm(int mseconds, int interval)
481 static struct item_list3 itmlst[2];
482 static int first = 1;
488 itmlst[0].code = JPI$_ASTEN;
489 itmlst[0].length = sizeof(asten);
490 itmlst[0].retlenaddr = NULL;
492 itmlst[1].length = 0;
493 itmlst[1].bufaddr = NULL;
494 itmlst[1].retlenaddr = NULL;
496 iss = lib$get_ef(&alarm_ef);
497 if (VMSERR(iss)) lib$signal(iss);
500 a0->function = UAL_NULL;
502 itmlst[0].bufaddr = &asten;
504 iss = sys$getjpiw(0,0,0,itmlst,0,0,0);
505 if (VMSERR(iss)) lib$signal(iss);
506 if (!(asten&0x08)) return -1;
510 a->function = UAL_SET;
512 a->function = UAL_CLEAR;
515 us_to_VMS(mseconds, a->delay);
517 us_to_VMS(interval, a->interval);
522 iss = sys$clref(alarm_ef);
523 if (VMSERR(iss)) lib$signal(iss);
525 iss = sys$dclast(ualarm_AST,a,0);
526 if (VMSERR(iss)) lib$signal(iss);
528 iss = sys$waitfr(alarm_ef);
529 if (VMSERR(iss)) lib$signal(iss);
531 if (a->function == UAL_ACTIVE)
532 return VMS_to_us(a->remain);
543 unsigned long now[2];
545 iss = sys$gettim(now);
546 if (VMSERR(iss)) lib$signal(iss);
548 if (a->function == UAL_SET || a->function == UAL_CLEAR) {
549 if (a0->function == UAL_ACTIVE) {
550 iss = sys$cantim(a0,PSL$C_USER);
551 if (VMSERR(iss)) lib$signal(iss);
553 iss = lib$subx(a0->remain, now, a->remain);
554 if (VMSERR(iss)) lib$signal(iss);
556 if (a->remain[1] & 0x80000000)
557 a->remain[0] = a->remain[1] = 0;
560 if (a->function == UAL_SET) {
561 a->function = a0->function;
562 a0->function = UAL_ACTIVE;
563 a0->repeat = a->repeat;
565 a0->interval[0] = a->interval[0];
566 a0->interval[1] = a->interval[1];
568 a0->delay[0] = a->delay[0];
569 a0->delay[1] = a->delay[1];
571 iss = lib$subx(now, a0->delay, a0->remain);
572 if (VMSERR(iss)) lib$signal(iss);
574 iss = sys$setimr(0,a0->delay,ualarm_AST,a0);
575 if (VMSERR(iss)) lib$signal(iss);
577 a->function = a0->function;
578 a0->function = UAL_NULL;
580 iss = sys$setef(alarm_ef);
581 if (VMSERR(iss)) lib$signal(iss);
582 } else if (a->function == UAL_ACTIVE) {
584 iss = lib$subx(now, a->interval, a->remain);
585 if (VMSERR(iss)) lib$signal(iss);
587 iss = sys$setimr(0,a->interval,ualarm_AST,a);
588 if (VMSERR(iss)) lib$signal(iss);
590 a->function = UAL_NULL;
593 if (VMSERR(iss)) lib$signal(iss);
594 lib$signal(SS$_ASTFLT);
596 lib$signal(SS$_BADPARAM);
600 #endif /* !HAS_UALARM && VMS */
602 #ifdef HAS_GETTIMEOFDAY
609 status = gettimeofday (&Tp, NULL);
620 status = gettimeofday (&Tp, NULL);
621 return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0;
626 MODULE = Time::HiRes PACKAGE = Time::HiRes
631 #ifdef ATLEASTFIVEOHOHFIVE
632 #ifdef HAS_GETTIMEOFDAY
635 hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
636 if (myU2time(auv) == 0)
637 hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0);
642 INCLUDE: const-xs.inc
644 #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
650 struct timeval Ta, Tb;
652 gettimeofday(&Ta, NULL);
654 if (useconds > 1E6) {
655 IV seconds = (IV) (useconds / 1E6);
656 /* If usleep() has been implemented using setitimer()
657 * then this contortion is unnecessary-- but usleep()
658 * may be implemented in some other way, so let's contort. */
661 useconds -= 1E6 * seconds;
663 } else if (useconds < 0.0)
664 croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds);
665 usleep((U32)useconds);
668 gettimeofday(&Tb, NULL);
670 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
672 RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec);
680 struct timeval Ta, Tb;
682 gettimeofday(&Ta, NULL);
684 NV seconds = SvNV(ST(0));
685 if (seconds >= 0.0) {
686 UV useconds = (UV)(1E6 * (seconds - (UV)seconds));
689 if ((IV)useconds < 0) {
690 #if defined(__sparc64__) && defined(__GNUC__)
691 /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug
692 * where (0.5 - (UV)(0.5)) will under certain
693 * circumstances (if the double is cast to UV more
694 * than once?) evaluate to -0.5, instead of 0.5. */
695 useconds = -(IV)useconds;
697 if ((IV)useconds < 0)
698 croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds);
702 croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
705 gettimeofday(&Tb, NULL);
707 printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
709 RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec);
719 ualarm(useconds,interval=0)
723 if (useconds < 0 || interval < 0)
724 croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval);
725 RETVAL = ualarm(useconds, interval);
731 alarm(seconds,interval=0)
735 if (seconds < 0.0 || interval < 0.0)
736 croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval);
737 RETVAL = (NV)ualarm(seconds * 1000000,
738 interval * 1000000) / 1E6;
745 #ifdef HAS_GETTIMEOFDAY
746 # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */
754 status = gettimeofday (&Tp, &Tz);
755 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
757 if (GIMME == G_ARRAY) {
759 /* Mac OS (Classic) has unsigned time_t */
760 PUSHs(sv_2mortal(newSVuv(Tp.tv_sec)));
761 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
764 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
774 status = gettimeofday (&Tp, &Tz);
775 Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
776 RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0);
780 # else /* MACOS_TRADITIONAL */
787 status = gettimeofday (&Tp, NULL);
788 if (GIMME == G_ARRAY) {
790 PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
791 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
794 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
803 status = gettimeofday (&Tp, NULL);
804 RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.);
808 # endif /* MACOS_TRADITIONAL */
811 #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
813 #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec))
816 setitimer(which, seconds, interval = 0)
821 struct itimerval newit;
822 struct itimerval oldit;
824 if (seconds < 0.0 || interval < 0.0)
825 croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval);
826 newit.it_value.tv_sec = seconds;
827 newit.it_value.tv_usec =
828 (seconds - (NV)newit.it_value.tv_sec) * 1000000.0;
829 newit.it_interval.tv_sec = interval;
830 newit.it_interval.tv_usec =
831 (interval - (NV)newit.it_interval.tv_sec) * 1000000.0;
832 if (setitimer(which, &newit, &oldit) == 0) {
834 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value))));
835 if (GIMME == G_ARRAY) {
837 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval))));
845 struct itimerval nowit;
847 if (getitimer(which, &nowit) == 0) {
849 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value))));
850 if (GIMME == G_ARRAY) {
852 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval))));