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 |
12 | #ifdef __cplusplus |
13 | } |
14 | #endif |
15 | |
3c72ec00 |
16 | static IV |
17 | constant(char *name, int arg) |
18 | { |
19 | errno = 0; |
20 | switch (*name) { |
21 | case 'I': |
22 | if (strEQ(name, "ITIMER_REAL")) |
23 | #ifdef ITIMER_REAL |
24 | return ITIMER_REAL; |
25 | #else |
26 | goto not_there; |
27 | #endif |
28 | if (strEQ(name, "ITIMER_REALPROF")) |
29 | #ifdef ITIMER_REALPROF |
30 | return ITIMER_REALPROF; |
31 | #else |
32 | goto not_there; |
33 | #endif |
34 | if (strEQ(name, "ITIMER_VIRTUAL")) |
35 | #ifdef ITIMER_VIRTUAL |
36 | return ITIMER_VIRTUAL; |
37 | #else |
38 | goto not_there; |
39 | #endif |
40 | if (strEQ(name, "ITIMER_PROF")) |
41 | #ifdef ITIMER_PROF |
42 | return ITIMER_PROF; |
43 | #else |
44 | goto not_there; |
45 | #endif |
46 | break; |
47 | } |
48 | errno = EINVAL; |
49 | return 0; |
50 | |
51 | not_there: |
52 | errno = ENOENT; |
53 | return 0; |
54 | } |
55 | |
dcf686c9 |
56 | #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32) |
57 | #define HAS_GETTIMEOFDAY |
58 | |
59 | /* shows up in winsock.h? |
60 | struct timeval { |
61 | long tv_sec; |
62 | long tv_usec; |
63 | } |
64 | */ |
65 | |
eb1a5092 |
66 | typedef union { |
67 | unsigned __int64 ft_i64; |
68 | FILETIME ft_val; |
69 | } FT_t; |
70 | |
71 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
b4a4f8bf |
72 | #ifdef __GNUC__ |
73 | #define Const64(x) x##LL |
74 | #else |
75 | #define Const64(x) x##i64 |
76 | #endif |
77 | #define EPOCH_BIAS Const64(116444736000000000) |
eb1a5092 |
78 | |
79 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
80 | * and appears to be unsupported even by glibc) */ |
dcf686c9 |
81 | int |
eb1a5092 |
82 | gettimeofday (struct timeval *tp, void *not_used) |
dcf686c9 |
83 | { |
eb1a5092 |
84 | FT_t ft; |
85 | |
86 | /* this returns time in 100-nanosecond units (i.e. tens of usecs) */ |
87 | GetSystemTimeAsFileTime(&ft.ft_val); |
88 | |
89 | /* seconds since epoch */ |
b4a4f8bf |
90 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
eb1a5092 |
91 | |
92 | /* microseconds remaining */ |
b4a4f8bf |
93 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
eb1a5092 |
94 | |
95 | return 0; |
dcf686c9 |
96 | } |
97 | #endif |
98 | |
99 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
100 | #define HAS_GETTIMEOFDAY |
101 | |
9b6f56ad |
102 | #include <lnmdef.h> |
dcf686c9 |
103 | #include <time.h> /* gettimeofday */ |
104 | #include <stdlib.h> /* qdiv */ |
105 | #include <starlet.h> /* sys$gettim */ |
106 | #include <descrip.h> |
3785778e |
107 | #ifdef __VAX |
108 | #include <lib$routines.h> /* lib$ediv() */ |
109 | #endif |
dcf686c9 |
110 | |
111 | /* |
112 | VMS binary time is expressed in 100 nano-seconds since |
113 | system base time which is 17-NOV-1858 00:00:00.00 |
114 | */ |
115 | |
116 | #define DIV_100NS_TO_SECS 10000000L |
117 | #define DIV_100NS_TO_USECS 10L |
118 | |
119 | /* |
120 | gettimeofday is supposed to return times since the epoch |
121 | so need to determine this in terms of VMS base time |
122 | */ |
123 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
124 | |
5cdb7193 |
125 | #ifdef __VAX |
3785778e |
126 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
127 | #else |
dcf686c9 |
128 | static __int64 base_adjust=0; |
5cdb7193 |
129 | #endif |
dcf686c9 |
130 | |
9b6f56ad |
131 | /* |
132 | |
133 | If we don't have gettimeofday, then likely we are on a VMS machine that |
134 | operates on local time rather than UTC...so we have to zone-adjust. |
135 | This code gleefully swiped from VMS.C |
136 | |
137 | */ |
138 | /* method used to handle UTC conversions: |
139 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
140 | */ |
141 | static int gmtime_emulation_type; |
142 | /* number of secs to add to UTC POSIX-style time to get local time */ |
143 | static long int utc_offset_secs; |
144 | static struct dsc$descriptor_s fildevdsc = |
145 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
146 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
147 | |
148 | static time_t toutc_dst(time_t loc) { |
149 | struct tm *rsltmp; |
150 | |
151 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
152 | loc -= utc_offset_secs; |
153 | if (rsltmp->tm_isdst) loc -= 3600; |
154 | return loc; |
155 | } |
156 | |
157 | static time_t toloc_dst(time_t utc) { |
158 | struct tm *rsltmp; |
159 | |
160 | utc += utc_offset_secs; |
161 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
162 | if (rsltmp->tm_isdst) utc += 3600; |
163 | return utc; |
164 | } |
165 | |
166 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
167 | ((gmtime_emulation_type || timezone_setup()), \ |
168 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
169 | ((secs) - utc_offset_secs)))) |
170 | |
171 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
172 | ((gmtime_emulation_type || timezone_setup()), \ |
173 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
174 | ((secs) + utc_offset_secs)))) |
175 | |
176 | static int |
177 | timezone_setup(void) |
178 | { |
179 | struct tm *tm_p; |
180 | |
181 | if (gmtime_emulation_type == 0) { |
182 | int dstnow; |
183 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
184 | /* results of calls to gmtime() and localtime() */ |
185 | /* for same &base */ |
186 | |
187 | gmtime_emulation_type++; |
188 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
189 | char off[LNM$C_NAMLENGTH+1];; |
190 | |
191 | gmtime_emulation_type++; |
192 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
193 | gmtime_emulation_type++; |
194 | utc_offset_secs = 0; |
195 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
196 | } |
197 | else { utc_offset_secs = atol(off); } |
198 | } |
199 | else { /* We've got a working gmtime() */ |
200 | struct tm gmt, local; |
201 | |
202 | gmt = *tm_p; |
203 | tm_p = localtime(&base); |
204 | local = *tm_p; |
205 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
206 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
207 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
208 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
209 | } |
210 | } |
211 | return 1; |
212 | } |
213 | |
214 | |
dcf686c9 |
215 | int |
216 | gettimeofday (struct timeval *tp, void *tpz) |
217 | { |
218 | long ret; |
5cdb7193 |
219 | #ifdef __VAX |
3785778e |
220 | long quad[2]; |
221 | long quad1[2]; |
222 | long div_100ns_to_secs; |
223 | long div_100ns_to_usecs; |
224 | long quo,rem; |
225 | long quo1,rem1; |
5cdb7193 |
226 | #else |
dcf686c9 |
227 | __int64 quad; |
228 | __qdiv_t ans1,ans2; |
5cdb7193 |
229 | #endif |
dcf686c9 |
230 | /* |
231 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
232 | The return from function is also set to -1. |
233 | This is not exactly as per the manual page. |
234 | */ |
235 | |
236 | tp->tv_usec = 0; |
237 | |
3785778e |
238 | #ifdef __VAX |
239 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
240 | #else |
dcf686c9 |
241 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
242 | #endif |
dcf686c9 |
243 | ret=sys$bintim(&dscepoch,&base_adjust); |
244 | if (1 != (ret &&1)) { |
245 | tp->tv_sec = ret; |
246 | return -1; |
247 | } |
248 | } |
249 | |
250 | ret=sys$gettim(&quad); /* Get VMS system time */ |
251 | if ((1 && ret) == 1) { |
5cdb7193 |
252 | #ifdef __VAX |
3785778e |
253 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
254 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
255 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
256 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
257 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
258 | quad1[0] = rem; |
259 | quad1[1] = 0L; |
260 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
261 | tp->tv_sec = quo; /* Whole seconds */ |
262 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
263 | #else |
3785778e |
264 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
265 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
266 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
267 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
268 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
269 | #endif |
dcf686c9 |
270 | } else { |
271 | tp->tv_sec = ret; |
272 | return -1; |
273 | } |
9b6f56ad |
274 | # ifdef VMSISH_TIME |
275 | # ifdef RTL_USES_UTC |
276 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
277 | # else |
278 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
279 | # endif |
280 | # endif |
dcf686c9 |
281 | return 0; |
282 | } |
283 | #endif |
284 | |
285 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
286 | #ifndef SELECT_IS_BROKEN |
287 | #define HAS_USLEEP |
288 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
289 | |
290 | void |
291 | hrt_usleep(unsigned long usec) |
292 | { |
293 | struct timeval tv; |
294 | tv.tv_sec = 0; |
295 | tv.tv_usec = usec; |
296 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
297 | (Select_fd_set_t)NULL, &tv); |
298 | } |
299 | #endif |
300 | #endif |
301 | |
302 | #if !defined(HAS_USLEEP) && defined(WIN32) |
303 | #define HAS_USLEEP |
304 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
305 | |
306 | void |
307 | hrt_usleep(unsigned long usec) |
308 | { |
309 | long msec; |
310 | msec = usec / 1000; |
311 | Sleep (msec); |
312 | } |
313 | #endif |
314 | |
315 | |
316 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
317 | #define HAS_UALARM |
318 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
319 | |
320 | int |
321 | hrt_ualarm(int usec, int interval) |
322 | { |
323 | struct itimerval itv; |
324 | itv.it_value.tv_sec = usec / 1000000; |
325 | itv.it_value.tv_usec = usec % 1000000; |
326 | itv.it_interval.tv_sec = interval / 1000000; |
327 | itv.it_interval.tv_usec = interval % 1000000; |
328 | return setitimer(ITIMER_REAL, &itv, 0); |
329 | } |
330 | #endif |
331 | |
ca40fe49 |
332 | #if !defined(HAS_UALARM) && defined(VMS) |
333 | #define HAS_UALARM |
334 | #define ualarm vms_ualarm |
335 | |
336 | #include <lib$routines.h> |
337 | #include <ssdef.h> |
338 | #include <starlet.h> |
339 | #include <descrip.h> |
340 | #include <signal.h> |
341 | #include <jpidef.h> |
342 | #include <psldef.h> |
343 | |
344 | #define VMSERR(s) (!((s)&1)) |
345 | |
346 | static void |
347 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
348 | { |
349 | int iss; |
350 | unsigned long qq[2]; |
351 | |
352 | qq[0] = mseconds; |
353 | qq[1] = 0; |
354 | v[0] = v[1] = 0; |
355 | |
356 | iss = lib$addx(qq,qq,qq); |
357 | if (VMSERR(iss)) lib$signal(iss); |
358 | iss = lib$subx(v,qq,v); |
359 | if (VMSERR(iss)) lib$signal(iss); |
360 | iss = lib$addx(qq,qq,qq); |
361 | if (VMSERR(iss)) lib$signal(iss); |
362 | iss = lib$subx(v,qq,v); |
363 | if (VMSERR(iss)) lib$signal(iss); |
364 | iss = lib$subx(v,qq,v); |
365 | if (VMSERR(iss)) lib$signal(iss); |
366 | } |
367 | |
368 | static int |
369 | VMS_to_us(unsigned long v[]) |
370 | { |
371 | int iss; |
372 | unsigned long div=10,quot, rem; |
373 | |
374 | iss = lib$ediv(&div,v,",&rem); |
375 | if (VMSERR(iss)) lib$signal(iss); |
376 | |
377 | return quot; |
378 | } |
379 | |
380 | typedef unsigned short word; |
381 | typedef struct _ualarm { |
382 | int function; |
383 | int repeat; |
384 | unsigned long delay[2]; |
385 | unsigned long interval[2]; |
386 | unsigned long remain[2]; |
387 | } Alarm; |
388 | |
389 | |
390 | static int alarm_ef; |
391 | static Alarm *a0, alarm_base; |
392 | #define UAL_NULL 0 |
393 | #define UAL_SET 1 |
394 | #define UAL_CLEAR 2 |
395 | #define UAL_ACTIVE 4 |
396 | static void ualarm_AST(Alarm *a); |
397 | |
398 | static int |
399 | vms_ualarm(int mseconds, int interval) |
400 | { |
401 | Alarm *a, abase; |
402 | struct item_list3 { |
403 | word length; |
404 | word code; |
405 | void *bufaddr; |
406 | void *retlenaddr; |
407 | } ; |
408 | static struct item_list3 itmlst[2]; |
409 | static int first = 1; |
410 | unsigned long asten; |
411 | int iss, enabled; |
412 | |
413 | if (first) { |
414 | first = 0; |
415 | itmlst[0].code = JPI$_ASTEN; |
416 | itmlst[0].length = sizeof(asten); |
417 | itmlst[0].retlenaddr = NULL; |
418 | itmlst[1].code = 0; |
419 | itmlst[1].length = 0; |
420 | itmlst[1].bufaddr = NULL; |
421 | itmlst[1].retlenaddr = NULL; |
422 | |
423 | iss = lib$get_ef(&alarm_ef); |
424 | if (VMSERR(iss)) lib$signal(iss); |
425 | |
426 | a0 = &alarm_base; |
427 | a0->function = UAL_NULL; |
428 | } |
429 | itmlst[0].bufaddr = &asten; |
430 | |
431 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
432 | if (VMSERR(iss)) lib$signal(iss); |
433 | if (!(asten&0x08)) return -1; |
434 | |
435 | a = &abase; |
436 | if (mseconds) { |
437 | a->function = UAL_SET; |
438 | } else { |
439 | a->function = UAL_CLEAR; |
440 | } |
441 | |
442 | us_to_VMS(mseconds, a->delay); |
443 | if (interval) { |
444 | us_to_VMS(interval, a->interval); |
445 | a->repeat = 1; |
446 | } else |
447 | a->repeat = 0; |
448 | |
449 | iss = sys$clref(alarm_ef); |
450 | if (VMSERR(iss)) lib$signal(iss); |
451 | |
452 | iss = sys$dclast(ualarm_AST,a,0); |
453 | if (VMSERR(iss)) lib$signal(iss); |
454 | |
455 | iss = sys$waitfr(alarm_ef); |
456 | if (VMSERR(iss)) lib$signal(iss); |
457 | |
458 | if (a->function == UAL_ACTIVE) |
459 | return VMS_to_us(a->remain); |
460 | else |
461 | return 0; |
462 | } |
463 | |
464 | |
465 | |
466 | static void |
467 | ualarm_AST(Alarm *a) |
468 | { |
469 | int iss; |
470 | unsigned long now[2]; |
471 | |
472 | iss = sys$gettim(now); |
473 | if (VMSERR(iss)) lib$signal(iss); |
474 | |
475 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
476 | if (a0->function == UAL_ACTIVE) { |
477 | iss = sys$cantim(a0,PSL$C_USER); |
478 | if (VMSERR(iss)) lib$signal(iss); |
479 | |
480 | iss = lib$subx(a0->remain, now, a->remain); |
481 | if (VMSERR(iss)) lib$signal(iss); |
482 | |
483 | if (a->remain[1] & 0x80000000) |
484 | a->remain[0] = a->remain[1] = 0; |
485 | } |
486 | |
487 | if (a->function == UAL_SET) { |
488 | a->function = a0->function; |
489 | a0->function = UAL_ACTIVE; |
490 | a0->repeat = a->repeat; |
491 | if (a0->repeat) { |
492 | a0->interval[0] = a->interval[0]; |
493 | a0->interval[1] = a->interval[1]; |
494 | } |
495 | a0->delay[0] = a->delay[0]; |
496 | a0->delay[1] = a->delay[1]; |
497 | |
498 | iss = lib$subx(now, a0->delay, a0->remain); |
499 | if (VMSERR(iss)) lib$signal(iss); |
500 | |
501 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
502 | if (VMSERR(iss)) lib$signal(iss); |
503 | } else { |
504 | a->function = a0->function; |
505 | a0->function = UAL_NULL; |
506 | } |
507 | iss = sys$setef(alarm_ef); |
508 | if (VMSERR(iss)) lib$signal(iss); |
509 | } else if (a->function == UAL_ACTIVE) { |
510 | if (a->repeat) { |
511 | iss = lib$subx(now, a->interval, a->remain); |
512 | if (VMSERR(iss)) lib$signal(iss); |
513 | |
514 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
515 | if (VMSERR(iss)) lib$signal(iss); |
516 | } else { |
517 | a->function = UAL_NULL; |
518 | } |
519 | iss = sys$wake(0,0); |
520 | if (VMSERR(iss)) lib$signal(iss); |
521 | lib$signal(SS$_ASTFLT); |
522 | } else { |
523 | lib$signal(SS$_BADPARAM); |
524 | } |
525 | } |
526 | |
527 | #endif /* !HAS_UALARM && VMS */ |
528 | |
529 | |
530 | |
dcf686c9 |
531 | #ifdef HAS_GETTIMEOFDAY |
532 | |
a2e20b18 |
533 | static int |
dcf686c9 |
534 | myU2time(UV *ret) |
535 | { |
536 | struct timeval Tp; |
537 | int status; |
538 | status = gettimeofday (&Tp, NULL); |
539 | ret[0] = Tp.tv_sec; |
540 | ret[1] = Tp.tv_usec; |
a2e20b18 |
541 | return status; |
dcf686c9 |
542 | } |
543 | |
3c72ec00 |
544 | static NV |
dcf686c9 |
545 | myNVtime() |
546 | { |
547 | struct timeval Tp; |
548 | int status; |
549 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
550 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
551 | } |
552 | |
553 | #endif |
554 | |
555 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
556 | |
557 | PROTOTYPES: ENABLE |
558 | |
559 | BOOT: |
dcf686c9 |
560 | #ifdef HAS_GETTIMEOFDAY |
a2e20b18 |
561 | { |
562 | UV auv[2]; |
cfb1f18c |
563 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
a2e20b18 |
564 | if (myU2time(auv) == 0) |
565 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0); |
566 | } |
dcf686c9 |
567 | #endif |
dcf686c9 |
568 | |
3c72ec00 |
569 | IV |
570 | constant(name, arg) |
571 | char * name |
572 | int arg |
573 | |
52d72fba |
574 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
575 | |
92bc48ca |
576 | NV |
dcf686c9 |
577 | usleep(useconds) |
92bc48ca |
578 | NV useconds |
52d72fba |
579 | PREINIT: |
580 | struct timeval Ta, Tb; |
581 | CODE: |
582 | gettimeofday(&Ta, NULL); |
583 | if (items > 0) { |
92bc48ca |
584 | if (useconds > 1E6) { |
585 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
586 | /* If usleep() has been implemented using setitimer() |
587 | * then this contortion is unnecessary-- but usleep() |
588 | * may be implemented in some other way, so let's contort. */ |
589 | if (seconds) { |
590 | sleep(seconds); |
591 | useconds -= 1E6 * seconds; |
592 | } |
593 | } else if (useconds < 0.0) |
594 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
92bc48ca |
595 | usleep((UV)useconds); |
52d72fba |
596 | } else |
597 | PerlProc_pause(); |
598 | gettimeofday(&Tb, NULL); |
92bc48ca |
599 | #if 0 |
600 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
601 | #endif |
602 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
603 | |
52d72fba |
604 | OUTPUT: |
605 | RETVAL |
606 | |
607 | NV |
f9d00e57 |
608 | sleep(...) |
52d72fba |
609 | PREINIT: |
610 | struct timeval Ta, Tb; |
dcf686c9 |
611 | CODE: |
52d72fba |
612 | gettimeofday(&Ta, NULL); |
92bc48ca |
613 | if (items > 0) { |
614 | NV seconds = SvNV(ST(0)); |
f7916ddb |
615 | if (seconds >= 0.0) { |
616 | UV useconds = 1E6 * (seconds - (UV)seconds); |
617 | sleep((UV)seconds); |
618 | usleep(useconds); |
619 | } else |
620 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
621 | } else |
f9d00e57 |
622 | PerlProc_pause(); |
52d72fba |
623 | gettimeofday(&Tb, NULL); |
92bc48ca |
624 | #if 0 |
625 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
626 | #endif |
52d72fba |
627 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
628 | |
629 | OUTPUT: |
630 | RETVAL |
dcf686c9 |
631 | |
632 | #endif |
633 | |
634 | #ifdef HAS_UALARM |
635 | |
3de7a4ec |
636 | int |
dcf686c9 |
637 | ualarm(useconds,interval=0) |
638 | int useconds |
639 | int interval |
f7916ddb |
640 | CODE: |
641 | if (useconds < 0 || interval < 0) |
3de7a4ec |
642 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval); |
f7916ddb |
643 | RETVAL = ualarm(useconds, interval); |
dcf686c9 |
644 | |
f7916ddb |
645 | OUTPUT: |
646 | RETVAL |
647 | |
648 | NV |
649 | alarm(seconds,interval=0) |
650 | NV seconds |
651 | NV interval |
dcf686c9 |
652 | CODE: |
f7916ddb |
653 | if (seconds < 0.0 || interval < 0.0) |
654 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
655 | RETVAL = (NV)ualarm(seconds * 1000000, |
656 | interval * 1000000) / 1E6; |
dcf686c9 |
657 | |
c6c619a9 |
658 | OUTPUT: |
659 | RETVAL |
660 | |
dcf686c9 |
661 | #endif |
662 | |
663 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
664 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
665 | void |
666 | gettimeofday() |
667 | PREINIT: |
668 | struct timeval Tp; |
669 | struct timezone Tz; |
670 | PPCODE: |
671 | int status; |
672 | status = gettimeofday (&Tp, &Tz); |
673 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
674 | |
675 | if (GIMME == G_ARRAY) { |
676 | EXTEND(sp, 2); |
677 | /* Mac OS (Classic) has unsigned time_t */ |
678 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
679 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
680 | } else { |
681 | EXTEND(sp, 1); |
682 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
683 | } |
684 | |
685 | NV |
686 | time() |
687 | PREINIT: |
688 | struct timeval Tp; |
689 | struct timezone Tz; |
690 | CODE: |
691 | int status; |
692 | status = gettimeofday (&Tp, &Tz); |
693 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
694 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0); |
695 | OUTPUT: |
696 | RETVAL |
dcf686c9 |
697 | |
db835671 |
698 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
699 | void |
700 | gettimeofday() |
701 | PREINIT: |
702 | struct timeval Tp; |
703 | PPCODE: |
704 | int status; |
705 | status = gettimeofday (&Tp, NULL); |
706 | if (GIMME == G_ARRAY) { |
707 | EXTEND(sp, 2); |
708 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
709 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
710 | } else { |
711 | EXTEND(sp, 1); |
712 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
713 | } |
714 | |
3c72ec00 |
715 | NV |
dcf686c9 |
716 | time() |
717 | PREINIT: |
718 | struct timeval Tp; |
719 | CODE: |
720 | int status; |
721 | status = gettimeofday (&Tp, NULL); |
722 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
723 | OUTPUT: |
724 | RETVAL |
725 | |
db835671 |
726 | # endif /* MACOS_TRADITIONAL */ |
dcf686c9 |
727 | #endif |
728 | |
3c72ec00 |
729 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
730 | |
731 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
732 | |
733 | void |
734 | setitimer(which, seconds, interval = 0) |
735 | int which |
736 | NV seconds |
737 | NV interval |
738 | PREINIT: |
739 | struct itimerval newit; |
740 | struct itimerval oldit; |
741 | PPCODE: |
f7916ddb |
742 | if (seconds < 0.0 || interval < 0.0) |
743 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", which, seconds, interval); |
3c72ec00 |
744 | newit.it_value.tv_sec = seconds; |
745 | newit.it_value.tv_usec = |
746 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
747 | newit.it_interval.tv_sec = interval; |
748 | newit.it_interval.tv_usec = |
749 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
750 | if (setitimer(which, &newit, &oldit) == 0) { |
751 | EXTEND(sp, 1); |
752 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
753 | if (GIMME == G_ARRAY) { |
754 | EXTEND(sp, 1); |
755 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
756 | } |
757 | } |
758 | |
759 | void |
760 | getitimer(which) |
761 | int which |
762 | PREINIT: |
763 | struct itimerval nowit; |
764 | PPCODE: |
765 | if (getitimer(which, &nowit) == 0) { |
766 | EXTEND(sp, 1); |
767 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
768 | if (GIMME == G_ARRAY) { |
769 | EXTEND(sp, 1); |
770 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
771 | } |
772 | } |
773 | |
774 | #endif |
775 | |
dcf686c9 |
776 | # $Id: HiRes.xs,v 1.11 1999/03/16 02:27:38 wegscd Exp wegscd $ |
777 | |
778 | # $Log: HiRes.xs,v $ |
779 | # Revision 1.11 1999/03/16 02:27:38 wegscd |
780 | # Add U2time, NVtime. Fix symbols for static link. |
781 | # |
782 | # Revision 1.10 1998/09/30 02:36:25 wegscd |
783 | # Add VMS changes. |
784 | # |
785 | # Revision 1.9 1998/07/07 02:42:06 wegscd |
786 | # Win32 usleep() |
787 | # |
788 | # Revision 1.8 1998/07/02 01:47:26 wegscd |
789 | # Add Win32 code for gettimeofday. |
790 | # |
791 | # Revision 1.7 1997/11/13 02:08:12 wegscd |
792 | # Add missing EXTEND in gettimeofday() scalar code. |
793 | # |
794 | # Revision 1.6 1997/11/11 02:32:35 wegscd |
795 | # Do something useful when calling gettimeofday() in a scalar context. |
796 | # The patch is courtesy of Gisle Aas. |
797 | # |
798 | # Revision 1.5 1997/11/06 03:10:47 wegscd |
799 | # Fake ualarm() if we have setitimer. |
800 | # |
801 | # Revision 1.4 1997/11/05 05:41:23 wegscd |
802 | # Turn prototypes ON (suggested by Gisle Aas) |
803 | # |
804 | # Revision 1.3 1997/10/13 20:56:15 wegscd |
805 | # Add PROTOTYPES: DISABLE |
806 | # |
807 | # Revision 1.2 1997/05/23 01:01:38 wegscd |
808 | # Conditional compilation, depending on what the OS gives us. |
809 | # |
810 | # Revision 1.1 1996/09/03 18:26:35 wegscd |
811 | # Initial revision |
812 | # |
813 | # |