Commit | Line | Data |
dcf686c9 |
1 | #ifdef __cplusplus |
2 | extern "C" { |
3 | #endif |
4 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #ifdef WIN32 |
8 | #include <time.h> |
9 | #else |
10 | #include <sys/time.h> |
11 | #endif |
36df99d6 |
12 | #ifdef HAS_SELECT |
13 | # ifdef I_SYS_SELECT |
14 | # include <sys/select.h> |
15 | # endif |
16 | #endif |
dcf686c9 |
17 | #ifdef __cplusplus |
18 | } |
19 | #endif |
20 | |
3f2ee006 |
21 | #ifndef aTHX_ |
22 | # define aTHX_ |
23 | # define pTHX_ |
24 | #endif |
25 | |
26 | #ifndef NVTYPE |
27 | # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) |
28 | # define NVTYPE long double |
29 | # else |
30 | # define NVTYPE double |
31 | # endif |
32 | typedef NVTYPE NV; |
33 | #endif |
34 | |
35 | #ifndef IVdf |
36 | # ifdef IVSIZE |
37 | # if IVSIZE == LONGSIZE |
38 | # define IVdf "ld" |
39 | # else |
40 | # if IVSIZE == INTSIZE |
41 | # define IVdf "d" |
42 | # endif |
43 | # endif |
44 | # else |
45 | # define IVdf "ld" |
46 | # endif |
47 | #endif |
48 | |
49 | #ifndef NVef |
50 | # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) && \ |
51 | defined(PERL_PRIgldbl) /* Not very likely, but let's try anyway. */ |
52 | # define NVgf PERL_PRIgldbl |
53 | # else |
54 | # define NVgf "g" |
55 | # endif |
56 | #endif |
57 | |
58 | #ifndef INT2PTR |
59 | |
60 | #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) |
61 | # define PTRV UV |
62 | # define INT2PTR(any,d) (any)(d) |
63 | #else |
64 | # if PTRSIZE == LONGSIZE |
65 | # define PTRV unsigned long |
66 | # else |
67 | # define PTRV unsigned |
68 | # endif |
69 | # define INT2PTR(any,d) (any)(PTRV)(d) |
70 | #endif |
71 | #define PTR2IV(p) INT2PTR(IV,p) |
72 | |
73 | #endif /* !INT2PTR */ |
74 | |
75 | #ifndef SvPV_nolen |
76 | static char * |
77 | sv_2pv_nolen(pTHX_ register SV *sv) |
78 | { |
79 | STRLEN n_a; |
80 | return sv_2pv(sv, &n_a); |
81 | } |
82 | # define SvPV_nolen(sv) \ |
83 | ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \ |
84 | ? SvPVX(sv) : sv_2pv_nolen(sv)) |
85 | #endif |
86 | |
87 | #ifndef PerlProc_pause |
88 | # define PerlProc_pause() Pause() |
89 | #endif |
90 | |
91 | /* Though the cpp define ITIMER_VIRTUAL is available the functionality |
92 | * is not supported in Cygwin as of August 2002, ditto for Win32. |
93 | * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi |
94 | */ |
95 | #if defined(__CYGWIN__) || defined(WIN32) |
96 | # undef ITIMER_VIRTUAL |
97 | # undef ITIMER_PROF |
98 | # undef ITIMER_REALPROF |
99 | #endif |
100 | |
3c72ec00 |
101 | static IV |
102 | constant(char *name, int arg) |
103 | { |
104 | errno = 0; |
105 | switch (*name) { |
3f2ee006 |
106 | case 'd': |
107 | if (strEQ(name, "d_getitimer")) |
108 | #ifdef HAS_GETITIMER |
109 | return 1; |
110 | #else |
111 | return 0; |
112 | #endif |
113 | if (strEQ(name, "d_nanosleep")) |
114 | #ifdef HAS_NANOSLEEP |
115 | return 1; |
116 | #else |
117 | return 0; |
118 | #endif |
119 | if (strEQ(name, "d_setitimer")) |
120 | #ifdef HAS_SETITIMER |
121 | return 1; |
122 | #else |
123 | return 0; |
124 | #endif |
125 | if (strEQ(name, "d_ualarm")) |
126 | #ifdef HAS_UALARM |
127 | return 1; |
128 | #else |
129 | return 0; |
130 | #endif |
131 | if (strEQ(name, "d_usleep")) |
132 | #ifdef HAS_USLEEP |
133 | return 1; |
134 | #else |
135 | return 0; |
136 | #endif |
137 | break; |
3c72ec00 |
138 | case 'I': |
139 | if (strEQ(name, "ITIMER_REAL")) |
140 | #ifdef ITIMER_REAL |
141 | return ITIMER_REAL; |
142 | #else |
143 | goto not_there; |
144 | #endif |
145 | if (strEQ(name, "ITIMER_REALPROF")) |
146 | #ifdef ITIMER_REALPROF |
147 | return ITIMER_REALPROF; |
148 | #else |
149 | goto not_there; |
150 | #endif |
151 | if (strEQ(name, "ITIMER_VIRTUAL")) |
152 | #ifdef ITIMER_VIRTUAL |
153 | return ITIMER_VIRTUAL; |
154 | #else |
155 | goto not_there; |
156 | #endif |
157 | if (strEQ(name, "ITIMER_PROF")) |
158 | #ifdef ITIMER_PROF |
159 | return ITIMER_PROF; |
160 | #else |
161 | goto not_there; |
162 | #endif |
163 | break; |
164 | } |
165 | errno = EINVAL; |
166 | return 0; |
167 | |
168 | not_there: |
169 | errno = ENOENT; |
170 | return 0; |
171 | } |
172 | |
fd44fdfd |
173 | #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32) |
174 | #define HAS_GETTIMEOFDAY |
175 | |
6e3b076d |
176 | /* shows up in winsock.h? |
177 | struct timeval { |
178 | long tv_sec; |
179 | long tv_usec; |
180 | } |
181 | */ |
182 | |
fd44fdfd |
183 | typedef union { |
184 | unsigned __int64 ft_i64; |
185 | FILETIME ft_val; |
186 | } FT_t; |
187 | |
6e3b076d |
188 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
fd44fdfd |
189 | #ifdef __GNUC__ |
190 | #define Const64(x) x##LL |
191 | #else |
192 | #define Const64(x) x##i64 |
193 | #endif |
fd44fdfd |
194 | #define EPOCH_BIAS Const64(116444736000000000) |
195 | |
196 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
197 | * and appears to be unsupported even by glibc) */ |
6e3b076d |
198 | int |
199 | gettimeofday (struct timeval *tp, void *not_used) |
fd44fdfd |
200 | { |
201 | FT_t ft; |
202 | |
203 | /* this returns time in 100-nanosecond units (i.e. tens of usecs) */ |
204 | GetSystemTimeAsFileTime(&ft.ft_val); |
205 | |
206 | /* seconds since epoch */ |
207 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
208 | |
209 | /* microseconds remaining */ |
210 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
211 | |
212 | return 0; |
213 | } |
6e3b076d |
214 | #endif |
fd44fdfd |
215 | |
dcf686c9 |
216 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
217 | #define HAS_GETTIMEOFDAY |
218 | |
9b6f56ad |
219 | #include <lnmdef.h> |
dcf686c9 |
220 | #include <time.h> /* gettimeofday */ |
221 | #include <stdlib.h> /* qdiv */ |
222 | #include <starlet.h> /* sys$gettim */ |
223 | #include <descrip.h> |
3785778e |
224 | #ifdef __VAX |
225 | #include <lib$routines.h> /* lib$ediv() */ |
226 | #endif |
dcf686c9 |
227 | |
228 | /* |
229 | VMS binary time is expressed in 100 nano-seconds since |
230 | system base time which is 17-NOV-1858 00:00:00.00 |
231 | */ |
232 | |
233 | #define DIV_100NS_TO_SECS 10000000L |
234 | #define DIV_100NS_TO_USECS 10L |
235 | |
236 | /* |
237 | gettimeofday is supposed to return times since the epoch |
238 | so need to determine this in terms of VMS base time |
239 | */ |
240 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
241 | |
5cdb7193 |
242 | #ifdef __VAX |
3785778e |
243 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
244 | #else |
dcf686c9 |
245 | static __int64 base_adjust=0; |
5cdb7193 |
246 | #endif |
dcf686c9 |
247 | |
9b6f56ad |
248 | /* |
249 | |
250 | If we don't have gettimeofday, then likely we are on a VMS machine that |
251 | operates on local time rather than UTC...so we have to zone-adjust. |
252 | This code gleefully swiped from VMS.C |
253 | |
254 | */ |
255 | /* method used to handle UTC conversions: |
256 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
257 | */ |
258 | static int gmtime_emulation_type; |
259 | /* number of secs to add to UTC POSIX-style time to get local time */ |
260 | static long int utc_offset_secs; |
261 | static struct dsc$descriptor_s fildevdsc = |
262 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
263 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
264 | |
265 | static time_t toutc_dst(time_t loc) { |
266 | struct tm *rsltmp; |
267 | |
268 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
269 | loc -= utc_offset_secs; |
270 | if (rsltmp->tm_isdst) loc -= 3600; |
271 | return loc; |
272 | } |
273 | |
274 | static time_t toloc_dst(time_t utc) { |
275 | struct tm *rsltmp; |
276 | |
277 | utc += utc_offset_secs; |
278 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
279 | if (rsltmp->tm_isdst) utc += 3600; |
280 | return utc; |
281 | } |
282 | |
283 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
284 | ((gmtime_emulation_type || timezone_setup()), \ |
285 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
286 | ((secs) - utc_offset_secs)))) |
287 | |
288 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
289 | ((gmtime_emulation_type || timezone_setup()), \ |
290 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
291 | ((secs) + utc_offset_secs)))) |
292 | |
293 | static int |
294 | timezone_setup(void) |
295 | { |
296 | struct tm *tm_p; |
297 | |
298 | if (gmtime_emulation_type == 0) { |
299 | int dstnow; |
300 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
301 | /* results of calls to gmtime() and localtime() */ |
302 | /* for same &base */ |
303 | |
304 | gmtime_emulation_type++; |
305 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
306 | char off[LNM$C_NAMLENGTH+1];; |
307 | |
308 | gmtime_emulation_type++; |
309 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
310 | gmtime_emulation_type++; |
311 | utc_offset_secs = 0; |
312 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
313 | } |
314 | else { utc_offset_secs = atol(off); } |
315 | } |
316 | else { /* We've got a working gmtime() */ |
317 | struct tm gmt, local; |
318 | |
319 | gmt = *tm_p; |
320 | tm_p = localtime(&base); |
321 | local = *tm_p; |
322 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
323 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
324 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
325 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
326 | } |
327 | } |
328 | return 1; |
329 | } |
330 | |
331 | |
dcf686c9 |
332 | int |
333 | gettimeofday (struct timeval *tp, void *tpz) |
334 | { |
335 | long ret; |
5cdb7193 |
336 | #ifdef __VAX |
3785778e |
337 | long quad[2]; |
338 | long quad1[2]; |
339 | long div_100ns_to_secs; |
340 | long div_100ns_to_usecs; |
341 | long quo,rem; |
342 | long quo1,rem1; |
5cdb7193 |
343 | #else |
dcf686c9 |
344 | __int64 quad; |
345 | __qdiv_t ans1,ans2; |
5cdb7193 |
346 | #endif |
dcf686c9 |
347 | /* |
348 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
349 | The return from function is also set to -1. |
350 | This is not exactly as per the manual page. |
351 | */ |
352 | |
353 | tp->tv_usec = 0; |
354 | |
3785778e |
355 | #ifdef __VAX |
356 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
357 | #else |
dcf686c9 |
358 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
359 | #endif |
dcf686c9 |
360 | ret=sys$bintim(&dscepoch,&base_adjust); |
361 | if (1 != (ret &&1)) { |
362 | tp->tv_sec = ret; |
363 | return -1; |
364 | } |
365 | } |
366 | |
367 | ret=sys$gettim(&quad); /* Get VMS system time */ |
368 | if ((1 && ret) == 1) { |
5cdb7193 |
369 | #ifdef __VAX |
3785778e |
370 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
371 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
372 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
373 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
374 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
375 | quad1[0] = rem; |
376 | quad1[1] = 0L; |
377 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
378 | tp->tv_sec = quo; /* Whole seconds */ |
379 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
380 | #else |
3785778e |
381 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
382 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
383 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
384 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
385 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
386 | #endif |
dcf686c9 |
387 | } else { |
388 | tp->tv_sec = ret; |
389 | return -1; |
390 | } |
9b6f56ad |
391 | # ifdef VMSISH_TIME |
392 | # ifdef RTL_USES_UTC |
393 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
394 | # else |
395 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
396 | # endif |
397 | # endif |
dcf686c9 |
398 | return 0; |
399 | } |
400 | #endif |
401 | |
3f2ee006 |
402 | |
403 | #if !defined(HAS_USLEEP) && defined(HAS_NANOSLEEP) |
404 | #define HAS_USLEEP |
405 | #define usleep hrt_nanosleep /* could conflict with ncurses for static build */ |
406 | |
407 | void |
408 | hrt_nanosleep(unsigned long usec) |
409 | { |
410 | struct timespec res; |
411 | res.tv_sec = usec/1000/1000; |
412 | res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000; |
413 | nanosleep(&res, NULL); |
414 | } |
415 | #endif |
416 | |
417 | |
dcf686c9 |
418 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
419 | #ifndef SELECT_IS_BROKEN |
420 | #define HAS_USLEEP |
421 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
422 | |
423 | void |
424 | hrt_usleep(unsigned long usec) |
425 | { |
426 | struct timeval tv; |
427 | tv.tv_sec = 0; |
428 | tv.tv_usec = usec; |
429 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
430 | (Select_fd_set_t)NULL, &tv); |
431 | } |
432 | #endif |
433 | #endif |
434 | |
435 | #if !defined(HAS_USLEEP) && defined(WIN32) |
436 | #define HAS_USLEEP |
437 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
438 | |
439 | void |
440 | hrt_usleep(unsigned long usec) |
441 | { |
442 | long msec; |
443 | msec = usec / 1000; |
444 | Sleep (msec); |
445 | } |
446 | #endif |
447 | |
448 | |
449 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
450 | #define HAS_UALARM |
451 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
452 | |
453 | int |
454 | hrt_ualarm(int usec, int interval) |
455 | { |
456 | struct itimerval itv; |
457 | itv.it_value.tv_sec = usec / 1000000; |
458 | itv.it_value.tv_usec = usec % 1000000; |
459 | itv.it_interval.tv_sec = interval / 1000000; |
460 | itv.it_interval.tv_usec = interval % 1000000; |
461 | return setitimer(ITIMER_REAL, &itv, 0); |
462 | } |
463 | #endif |
464 | |
ca40fe49 |
465 | #if !defined(HAS_UALARM) && defined(VMS) |
466 | #define HAS_UALARM |
467 | #define ualarm vms_ualarm |
468 | |
469 | #include <lib$routines.h> |
470 | #include <ssdef.h> |
471 | #include <starlet.h> |
472 | #include <descrip.h> |
473 | #include <signal.h> |
474 | #include <jpidef.h> |
475 | #include <psldef.h> |
476 | |
477 | #define VMSERR(s) (!((s)&1)) |
478 | |
479 | static void |
480 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
481 | { |
482 | int iss; |
483 | unsigned long qq[2]; |
484 | |
485 | qq[0] = mseconds; |
486 | qq[1] = 0; |
487 | v[0] = v[1] = 0; |
488 | |
489 | iss = lib$addx(qq,qq,qq); |
490 | if (VMSERR(iss)) lib$signal(iss); |
491 | iss = lib$subx(v,qq,v); |
492 | if (VMSERR(iss)) lib$signal(iss); |
493 | iss = lib$addx(qq,qq,qq); |
494 | if (VMSERR(iss)) lib$signal(iss); |
495 | iss = lib$subx(v,qq,v); |
496 | if (VMSERR(iss)) lib$signal(iss); |
497 | iss = lib$subx(v,qq,v); |
498 | if (VMSERR(iss)) lib$signal(iss); |
499 | } |
500 | |
501 | static int |
502 | VMS_to_us(unsigned long v[]) |
503 | { |
504 | int iss; |
505 | unsigned long div=10,quot, rem; |
506 | |
507 | iss = lib$ediv(&div,v,",&rem); |
508 | if (VMSERR(iss)) lib$signal(iss); |
509 | |
510 | return quot; |
511 | } |
512 | |
513 | typedef unsigned short word; |
514 | typedef struct _ualarm { |
515 | int function; |
516 | int repeat; |
517 | unsigned long delay[2]; |
518 | unsigned long interval[2]; |
519 | unsigned long remain[2]; |
520 | } Alarm; |
521 | |
522 | |
523 | static int alarm_ef; |
524 | static Alarm *a0, alarm_base; |
525 | #define UAL_NULL 0 |
526 | #define UAL_SET 1 |
527 | #define UAL_CLEAR 2 |
528 | #define UAL_ACTIVE 4 |
529 | static void ualarm_AST(Alarm *a); |
530 | |
531 | static int |
532 | vms_ualarm(int mseconds, int interval) |
533 | { |
534 | Alarm *a, abase; |
535 | struct item_list3 { |
536 | word length; |
537 | word code; |
538 | void *bufaddr; |
539 | void *retlenaddr; |
540 | } ; |
541 | static struct item_list3 itmlst[2]; |
542 | static int first = 1; |
543 | unsigned long asten; |
544 | int iss, enabled; |
545 | |
546 | if (first) { |
547 | first = 0; |
548 | itmlst[0].code = JPI$_ASTEN; |
549 | itmlst[0].length = sizeof(asten); |
550 | itmlst[0].retlenaddr = NULL; |
551 | itmlst[1].code = 0; |
552 | itmlst[1].length = 0; |
553 | itmlst[1].bufaddr = NULL; |
554 | itmlst[1].retlenaddr = NULL; |
555 | |
556 | iss = lib$get_ef(&alarm_ef); |
557 | if (VMSERR(iss)) lib$signal(iss); |
558 | |
559 | a0 = &alarm_base; |
560 | a0->function = UAL_NULL; |
561 | } |
562 | itmlst[0].bufaddr = &asten; |
563 | |
564 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
565 | if (VMSERR(iss)) lib$signal(iss); |
566 | if (!(asten&0x08)) return -1; |
567 | |
568 | a = &abase; |
569 | if (mseconds) { |
570 | a->function = UAL_SET; |
571 | } else { |
572 | a->function = UAL_CLEAR; |
573 | } |
574 | |
575 | us_to_VMS(mseconds, a->delay); |
576 | if (interval) { |
577 | us_to_VMS(interval, a->interval); |
578 | a->repeat = 1; |
579 | } else |
580 | a->repeat = 0; |
581 | |
582 | iss = sys$clref(alarm_ef); |
583 | if (VMSERR(iss)) lib$signal(iss); |
584 | |
585 | iss = sys$dclast(ualarm_AST,a,0); |
586 | if (VMSERR(iss)) lib$signal(iss); |
587 | |
588 | iss = sys$waitfr(alarm_ef); |
589 | if (VMSERR(iss)) lib$signal(iss); |
590 | |
591 | if (a->function == UAL_ACTIVE) |
592 | return VMS_to_us(a->remain); |
593 | else |
594 | return 0; |
595 | } |
596 | |
597 | |
598 | |
599 | static void |
600 | ualarm_AST(Alarm *a) |
601 | { |
602 | int iss; |
603 | unsigned long now[2]; |
604 | |
605 | iss = sys$gettim(now); |
606 | if (VMSERR(iss)) lib$signal(iss); |
607 | |
608 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
609 | if (a0->function == UAL_ACTIVE) { |
610 | iss = sys$cantim(a0,PSL$C_USER); |
611 | if (VMSERR(iss)) lib$signal(iss); |
612 | |
613 | iss = lib$subx(a0->remain, now, a->remain); |
614 | if (VMSERR(iss)) lib$signal(iss); |
615 | |
616 | if (a->remain[1] & 0x80000000) |
617 | a->remain[0] = a->remain[1] = 0; |
618 | } |
619 | |
620 | if (a->function == UAL_SET) { |
621 | a->function = a0->function; |
622 | a0->function = UAL_ACTIVE; |
623 | a0->repeat = a->repeat; |
624 | if (a0->repeat) { |
625 | a0->interval[0] = a->interval[0]; |
626 | a0->interval[1] = a->interval[1]; |
627 | } |
628 | a0->delay[0] = a->delay[0]; |
629 | a0->delay[1] = a->delay[1]; |
630 | |
631 | iss = lib$subx(now, a0->delay, a0->remain); |
632 | if (VMSERR(iss)) lib$signal(iss); |
633 | |
634 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
635 | if (VMSERR(iss)) lib$signal(iss); |
636 | } else { |
637 | a->function = a0->function; |
638 | a0->function = UAL_NULL; |
639 | } |
640 | iss = sys$setef(alarm_ef); |
641 | if (VMSERR(iss)) lib$signal(iss); |
642 | } else if (a->function == UAL_ACTIVE) { |
643 | if (a->repeat) { |
644 | iss = lib$subx(now, a->interval, a->remain); |
645 | if (VMSERR(iss)) lib$signal(iss); |
646 | |
647 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
648 | if (VMSERR(iss)) lib$signal(iss); |
649 | } else { |
650 | a->function = UAL_NULL; |
651 | } |
652 | iss = sys$wake(0,0); |
653 | if (VMSERR(iss)) lib$signal(iss); |
654 | lib$signal(SS$_ASTFLT); |
655 | } else { |
656 | lib$signal(SS$_BADPARAM); |
657 | } |
658 | } |
659 | |
660 | #endif /* !HAS_UALARM && VMS */ |
661 | |
dcf686c9 |
662 | #ifdef HAS_GETTIMEOFDAY |
663 | |
a2e20b18 |
664 | static int |
dcf686c9 |
665 | myU2time(UV *ret) |
666 | { |
667 | struct timeval Tp; |
668 | int status; |
6e3b076d |
669 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
670 | ret[0] = Tp.tv_sec; |
671 | ret[1] = Tp.tv_usec; |
a2e20b18 |
672 | return status; |
dcf686c9 |
673 | } |
674 | |
3c72ec00 |
675 | static NV |
dcf686c9 |
676 | myNVtime() |
677 | { |
678 | struct timeval Tp; |
679 | int status; |
6e3b076d |
680 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
681 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
682 | } |
683 | |
684 | #endif |
685 | |
686 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
687 | |
688 | PROTOTYPES: ENABLE |
689 | |
690 | BOOT: |
3f2ee006 |
691 | #ifdef ATLEASTFIVEOHOHFIVE |
dcf686c9 |
692 | #ifdef HAS_GETTIMEOFDAY |
a2e20b18 |
693 | { |
694 | UV auv[2]; |
cfb1f18c |
695 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
a2e20b18 |
696 | if (myU2time(auv) == 0) |
697 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0); |
698 | } |
dcf686c9 |
699 | #endif |
3f2ee006 |
700 | #endif |
dcf686c9 |
701 | |
3c72ec00 |
702 | IV |
703 | constant(name, arg) |
704 | char * name |
705 | int arg |
706 | |
52d72fba |
707 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
708 | |
92bc48ca |
709 | NV |
dcf686c9 |
710 | usleep(useconds) |
92bc48ca |
711 | NV useconds |
52d72fba |
712 | PREINIT: |
713 | struct timeval Ta, Tb; |
714 | CODE: |
6e3b076d |
715 | gettimeofday(&Ta, NULL); |
52d72fba |
716 | if (items > 0) { |
92bc48ca |
717 | if (useconds > 1E6) { |
718 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
719 | /* If usleep() has been implemented using setitimer() |
720 | * then this contortion is unnecessary-- but usleep() |
721 | * may be implemented in some other way, so let's contort. */ |
722 | if (seconds) { |
723 | sleep(seconds); |
724 | useconds -= 1E6 * seconds; |
725 | } |
726 | } else if (useconds < 0.0) |
727 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
9a2ac92c |
728 | usleep((U32)useconds); |
52d72fba |
729 | } else |
730 | PerlProc_pause(); |
6e3b076d |
731 | gettimeofday(&Tb, NULL); |
92bc48ca |
732 | #if 0 |
733 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
734 | #endif |
735 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
736 | |
52d72fba |
737 | OUTPUT: |
738 | RETVAL |
739 | |
740 | NV |
f9d00e57 |
741 | sleep(...) |
52d72fba |
742 | PREINIT: |
743 | struct timeval Ta, Tb; |
dcf686c9 |
744 | CODE: |
6e3b076d |
745 | gettimeofday(&Ta, NULL); |
92bc48ca |
746 | if (items > 0) { |
747 | NV seconds = SvNV(ST(0)); |
f7916ddb |
748 | if (seconds >= 0.0) { |
7c436af3 |
749 | UV useconds = (UV)(1E6 * (seconds - (UV)seconds)); |
4880edd6 |
750 | if (seconds >= 1.0) |
9a2ac92c |
751 | sleep((U32)seconds); |
f7916ddb |
752 | usleep(useconds); |
753 | } else |
754 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
755 | } else |
f9d00e57 |
756 | PerlProc_pause(); |
6e3b076d |
757 | gettimeofday(&Tb, NULL); |
92bc48ca |
758 | #if 0 |
759 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
760 | #endif |
52d72fba |
761 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
762 | |
763 | OUTPUT: |
764 | RETVAL |
dcf686c9 |
765 | |
766 | #endif |
767 | |
768 | #ifdef HAS_UALARM |
769 | |
3de7a4ec |
770 | int |
dcf686c9 |
771 | ualarm(useconds,interval=0) |
772 | int useconds |
773 | int interval |
f7916ddb |
774 | CODE: |
775 | if (useconds < 0 || interval < 0) |
3de7a4ec |
776 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval); |
f7916ddb |
777 | RETVAL = ualarm(useconds, interval); |
dcf686c9 |
778 | |
f7916ddb |
779 | OUTPUT: |
780 | RETVAL |
781 | |
782 | NV |
783 | alarm(seconds,interval=0) |
784 | NV seconds |
785 | NV interval |
dcf686c9 |
786 | CODE: |
f7916ddb |
787 | if (seconds < 0.0 || interval < 0.0) |
788 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
789 | RETVAL = (NV)ualarm(seconds * 1000000, |
790 | interval * 1000000) / 1E6; |
dcf686c9 |
791 | |
c6c619a9 |
792 | OUTPUT: |
793 | RETVAL |
794 | |
dcf686c9 |
795 | #endif |
796 | |
797 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
798 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
799 | void |
800 | gettimeofday() |
801 | PREINIT: |
802 | struct timeval Tp; |
803 | struct timezone Tz; |
804 | PPCODE: |
805 | int status; |
6e3b076d |
806 | status = gettimeofday (&Tp, &Tz); |
db835671 |
807 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
808 | |
809 | if (GIMME == G_ARRAY) { |
810 | EXTEND(sp, 2); |
811 | /* Mac OS (Classic) has unsigned time_t */ |
812 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
813 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
814 | } else { |
815 | EXTEND(sp, 1); |
816 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
817 | } |
818 | |
819 | NV |
820 | time() |
821 | PREINIT: |
822 | struct timeval Tp; |
823 | struct timezone Tz; |
824 | CODE: |
825 | int status; |
6e3b076d |
826 | status = gettimeofday (&Tp, &Tz); |
db835671 |
827 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
828 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0); |
829 | OUTPUT: |
830 | RETVAL |
dcf686c9 |
831 | |
db835671 |
832 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
833 | void |
834 | gettimeofday() |
835 | PREINIT: |
836 | struct timeval Tp; |
837 | PPCODE: |
838 | int status; |
6e3b076d |
839 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
840 | if (GIMME == G_ARRAY) { |
841 | EXTEND(sp, 2); |
842 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
843 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
844 | } else { |
845 | EXTEND(sp, 1); |
846 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
847 | } |
848 | |
3c72ec00 |
849 | NV |
dcf686c9 |
850 | time() |
851 | PREINIT: |
852 | struct timeval Tp; |
853 | CODE: |
854 | int status; |
6e3b076d |
855 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
856 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
857 | OUTPUT: |
858 | RETVAL |
859 | |
db835671 |
860 | # endif /* MACOS_TRADITIONAL */ |
dcf686c9 |
861 | #endif |
862 | |
3c72ec00 |
863 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
864 | |
865 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
866 | |
867 | void |
868 | setitimer(which, seconds, interval = 0) |
869 | int which |
870 | NV seconds |
871 | NV interval |
872 | PREINIT: |
873 | struct itimerval newit; |
874 | struct itimerval oldit; |
875 | PPCODE: |
f7916ddb |
876 | if (seconds < 0.0 || interval < 0.0) |
436c6dd3 |
877 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval); |
3c72ec00 |
878 | newit.it_value.tv_sec = seconds; |
879 | newit.it_value.tv_usec = |
880 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
881 | newit.it_interval.tv_sec = interval; |
882 | newit.it_interval.tv_usec = |
883 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
884 | if (setitimer(which, &newit, &oldit) == 0) { |
885 | EXTEND(sp, 1); |
886 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
887 | if (GIMME == G_ARRAY) { |
888 | EXTEND(sp, 1); |
889 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
890 | } |
891 | } |
892 | |
893 | void |
894 | getitimer(which) |
895 | int which |
896 | PREINIT: |
897 | struct itimerval nowit; |
898 | PPCODE: |
899 | if (getitimer(which, &nowit) == 0) { |
900 | EXTEND(sp, 1); |
901 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
902 | if (GIMME == G_ARRAY) { |
903 | EXTEND(sp, 1); |
904 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
905 | } |
906 | } |
907 | |
908 | #endif |
909 | |