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 | |
3c72ec00 |
21 | static IV |
22 | constant(char *name, int arg) |
23 | { |
24 | errno = 0; |
25 | switch (*name) { |
26 | case 'I': |
27 | if (strEQ(name, "ITIMER_REAL")) |
28 | #ifdef ITIMER_REAL |
29 | return ITIMER_REAL; |
30 | #else |
31 | goto not_there; |
32 | #endif |
33 | if (strEQ(name, "ITIMER_REALPROF")) |
34 | #ifdef ITIMER_REALPROF |
35 | return ITIMER_REALPROF; |
36 | #else |
37 | goto not_there; |
38 | #endif |
39 | if (strEQ(name, "ITIMER_VIRTUAL")) |
40 | #ifdef ITIMER_VIRTUAL |
41 | return ITIMER_VIRTUAL; |
42 | #else |
43 | goto not_there; |
44 | #endif |
45 | if (strEQ(name, "ITIMER_PROF")) |
46 | #ifdef ITIMER_PROF |
47 | return ITIMER_PROF; |
48 | #else |
49 | goto not_there; |
50 | #endif |
51 | break; |
52 | } |
53 | errno = EINVAL; |
54 | return 0; |
55 | |
56 | not_there: |
57 | errno = ENOENT; |
58 | return 0; |
59 | } |
60 | |
dcf686c9 |
61 | #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32) |
62 | #define HAS_GETTIMEOFDAY |
63 | |
64 | /* shows up in winsock.h? |
65 | struct timeval { |
66 | long tv_sec; |
67 | long tv_usec; |
68 | } |
69 | */ |
70 | |
eb1a5092 |
71 | typedef union { |
72 | unsigned __int64 ft_i64; |
73 | FILETIME ft_val; |
74 | } FT_t; |
75 | |
76 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
b4a4f8bf |
77 | #ifdef __GNUC__ |
78 | #define Const64(x) x##LL |
79 | #else |
80 | #define Const64(x) x##i64 |
81 | #endif |
82 | #define EPOCH_BIAS Const64(116444736000000000) |
eb1a5092 |
83 | |
84 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
85 | * and appears to be unsupported even by glibc) */ |
dcf686c9 |
86 | int |
eb1a5092 |
87 | gettimeofday (struct timeval *tp, void *not_used) |
dcf686c9 |
88 | { |
eb1a5092 |
89 | FT_t ft; |
90 | |
91 | /* this returns time in 100-nanosecond units (i.e. tens of usecs) */ |
92 | GetSystemTimeAsFileTime(&ft.ft_val); |
93 | |
94 | /* seconds since epoch */ |
b4a4f8bf |
95 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
eb1a5092 |
96 | |
97 | /* microseconds remaining */ |
b4a4f8bf |
98 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
eb1a5092 |
99 | |
100 | return 0; |
dcf686c9 |
101 | } |
102 | #endif |
103 | |
104 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
105 | #define HAS_GETTIMEOFDAY |
106 | |
9b6f56ad |
107 | #include <lnmdef.h> |
dcf686c9 |
108 | #include <time.h> /* gettimeofday */ |
109 | #include <stdlib.h> /* qdiv */ |
110 | #include <starlet.h> /* sys$gettim */ |
111 | #include <descrip.h> |
3785778e |
112 | #ifdef __VAX |
113 | #include <lib$routines.h> /* lib$ediv() */ |
114 | #endif |
dcf686c9 |
115 | |
116 | /* |
117 | VMS binary time is expressed in 100 nano-seconds since |
118 | system base time which is 17-NOV-1858 00:00:00.00 |
119 | */ |
120 | |
121 | #define DIV_100NS_TO_SECS 10000000L |
122 | #define DIV_100NS_TO_USECS 10L |
123 | |
124 | /* |
125 | gettimeofday is supposed to return times since the epoch |
126 | so need to determine this in terms of VMS base time |
127 | */ |
128 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
129 | |
5cdb7193 |
130 | #ifdef __VAX |
3785778e |
131 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
132 | #else |
dcf686c9 |
133 | static __int64 base_adjust=0; |
5cdb7193 |
134 | #endif |
dcf686c9 |
135 | |
9b6f56ad |
136 | /* |
137 | |
138 | If we don't have gettimeofday, then likely we are on a VMS machine that |
139 | operates on local time rather than UTC...so we have to zone-adjust. |
140 | This code gleefully swiped from VMS.C |
141 | |
142 | */ |
143 | /* method used to handle UTC conversions: |
144 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
145 | */ |
146 | static int gmtime_emulation_type; |
147 | /* number of secs to add to UTC POSIX-style time to get local time */ |
148 | static long int utc_offset_secs; |
149 | static struct dsc$descriptor_s fildevdsc = |
150 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
151 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
152 | |
153 | static time_t toutc_dst(time_t loc) { |
154 | struct tm *rsltmp; |
155 | |
156 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
157 | loc -= utc_offset_secs; |
158 | if (rsltmp->tm_isdst) loc -= 3600; |
159 | return loc; |
160 | } |
161 | |
162 | static time_t toloc_dst(time_t utc) { |
163 | struct tm *rsltmp; |
164 | |
165 | utc += utc_offset_secs; |
166 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
167 | if (rsltmp->tm_isdst) utc += 3600; |
168 | return utc; |
169 | } |
170 | |
171 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
172 | ((gmtime_emulation_type || timezone_setup()), \ |
173 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
174 | ((secs) - utc_offset_secs)))) |
175 | |
176 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
177 | ((gmtime_emulation_type || timezone_setup()), \ |
178 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
179 | ((secs) + utc_offset_secs)))) |
180 | |
181 | static int |
182 | timezone_setup(void) |
183 | { |
184 | struct tm *tm_p; |
185 | |
186 | if (gmtime_emulation_type == 0) { |
187 | int dstnow; |
188 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
189 | /* results of calls to gmtime() and localtime() */ |
190 | /* for same &base */ |
191 | |
192 | gmtime_emulation_type++; |
193 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
194 | char off[LNM$C_NAMLENGTH+1];; |
195 | |
196 | gmtime_emulation_type++; |
197 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
198 | gmtime_emulation_type++; |
199 | utc_offset_secs = 0; |
200 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
201 | } |
202 | else { utc_offset_secs = atol(off); } |
203 | } |
204 | else { /* We've got a working gmtime() */ |
205 | struct tm gmt, local; |
206 | |
207 | gmt = *tm_p; |
208 | tm_p = localtime(&base); |
209 | local = *tm_p; |
210 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
211 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
212 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
213 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
214 | } |
215 | } |
216 | return 1; |
217 | } |
218 | |
219 | |
dcf686c9 |
220 | int |
221 | gettimeofday (struct timeval *tp, void *tpz) |
222 | { |
223 | long ret; |
5cdb7193 |
224 | #ifdef __VAX |
3785778e |
225 | long quad[2]; |
226 | long quad1[2]; |
227 | long div_100ns_to_secs; |
228 | long div_100ns_to_usecs; |
229 | long quo,rem; |
230 | long quo1,rem1; |
5cdb7193 |
231 | #else |
dcf686c9 |
232 | __int64 quad; |
233 | __qdiv_t ans1,ans2; |
5cdb7193 |
234 | #endif |
dcf686c9 |
235 | /* |
236 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
237 | The return from function is also set to -1. |
238 | This is not exactly as per the manual page. |
239 | */ |
240 | |
241 | tp->tv_usec = 0; |
242 | |
3785778e |
243 | #ifdef __VAX |
244 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
245 | #else |
dcf686c9 |
246 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
247 | #endif |
dcf686c9 |
248 | ret=sys$bintim(&dscepoch,&base_adjust); |
249 | if (1 != (ret &&1)) { |
250 | tp->tv_sec = ret; |
251 | return -1; |
252 | } |
253 | } |
254 | |
255 | ret=sys$gettim(&quad); /* Get VMS system time */ |
256 | if ((1 && ret) == 1) { |
5cdb7193 |
257 | #ifdef __VAX |
3785778e |
258 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
259 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
260 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
261 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
262 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
263 | quad1[0] = rem; |
264 | quad1[1] = 0L; |
265 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
266 | tp->tv_sec = quo; /* Whole seconds */ |
267 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
268 | #else |
3785778e |
269 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
270 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
271 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
272 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
273 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
274 | #endif |
dcf686c9 |
275 | } else { |
276 | tp->tv_sec = ret; |
277 | return -1; |
278 | } |
9b6f56ad |
279 | # ifdef VMSISH_TIME |
280 | # ifdef RTL_USES_UTC |
281 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
282 | # else |
283 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
284 | # endif |
285 | # endif |
dcf686c9 |
286 | return 0; |
287 | } |
288 | #endif |
289 | |
290 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
291 | #ifndef SELECT_IS_BROKEN |
292 | #define HAS_USLEEP |
293 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
294 | |
295 | void |
296 | hrt_usleep(unsigned long usec) |
297 | { |
298 | struct timeval tv; |
299 | tv.tv_sec = 0; |
300 | tv.tv_usec = usec; |
301 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
302 | (Select_fd_set_t)NULL, &tv); |
303 | } |
304 | #endif |
305 | #endif |
306 | |
307 | #if !defined(HAS_USLEEP) && defined(WIN32) |
308 | #define HAS_USLEEP |
309 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
310 | |
311 | void |
312 | hrt_usleep(unsigned long usec) |
313 | { |
314 | long msec; |
315 | msec = usec / 1000; |
316 | Sleep (msec); |
317 | } |
318 | #endif |
319 | |
320 | |
321 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
322 | #define HAS_UALARM |
323 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
324 | |
325 | int |
326 | hrt_ualarm(int usec, int interval) |
327 | { |
328 | struct itimerval itv; |
329 | itv.it_value.tv_sec = usec / 1000000; |
330 | itv.it_value.tv_usec = usec % 1000000; |
331 | itv.it_interval.tv_sec = interval / 1000000; |
332 | itv.it_interval.tv_usec = interval % 1000000; |
333 | return setitimer(ITIMER_REAL, &itv, 0); |
334 | } |
335 | #endif |
336 | |
ca40fe49 |
337 | #if !defined(HAS_UALARM) && defined(VMS) |
338 | #define HAS_UALARM |
339 | #define ualarm vms_ualarm |
340 | |
341 | #include <lib$routines.h> |
342 | #include <ssdef.h> |
343 | #include <starlet.h> |
344 | #include <descrip.h> |
345 | #include <signal.h> |
346 | #include <jpidef.h> |
347 | #include <psldef.h> |
348 | |
349 | #define VMSERR(s) (!((s)&1)) |
350 | |
351 | static void |
352 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
353 | { |
354 | int iss; |
355 | unsigned long qq[2]; |
356 | |
357 | qq[0] = mseconds; |
358 | qq[1] = 0; |
359 | v[0] = v[1] = 0; |
360 | |
361 | iss = lib$addx(qq,qq,qq); |
362 | if (VMSERR(iss)) lib$signal(iss); |
363 | iss = lib$subx(v,qq,v); |
364 | if (VMSERR(iss)) lib$signal(iss); |
365 | iss = lib$addx(qq,qq,qq); |
366 | if (VMSERR(iss)) lib$signal(iss); |
367 | iss = lib$subx(v,qq,v); |
368 | if (VMSERR(iss)) lib$signal(iss); |
369 | iss = lib$subx(v,qq,v); |
370 | if (VMSERR(iss)) lib$signal(iss); |
371 | } |
372 | |
373 | static int |
374 | VMS_to_us(unsigned long v[]) |
375 | { |
376 | int iss; |
377 | unsigned long div=10,quot, rem; |
378 | |
379 | iss = lib$ediv(&div,v,",&rem); |
380 | if (VMSERR(iss)) lib$signal(iss); |
381 | |
382 | return quot; |
383 | } |
384 | |
385 | typedef unsigned short word; |
386 | typedef struct _ualarm { |
387 | int function; |
388 | int repeat; |
389 | unsigned long delay[2]; |
390 | unsigned long interval[2]; |
391 | unsigned long remain[2]; |
392 | } Alarm; |
393 | |
394 | |
395 | static int alarm_ef; |
396 | static Alarm *a0, alarm_base; |
397 | #define UAL_NULL 0 |
398 | #define UAL_SET 1 |
399 | #define UAL_CLEAR 2 |
400 | #define UAL_ACTIVE 4 |
401 | static void ualarm_AST(Alarm *a); |
402 | |
403 | static int |
404 | vms_ualarm(int mseconds, int interval) |
405 | { |
406 | Alarm *a, abase; |
407 | struct item_list3 { |
408 | word length; |
409 | word code; |
410 | void *bufaddr; |
411 | void *retlenaddr; |
412 | } ; |
413 | static struct item_list3 itmlst[2]; |
414 | static int first = 1; |
415 | unsigned long asten; |
416 | int iss, enabled; |
417 | |
418 | if (first) { |
419 | first = 0; |
420 | itmlst[0].code = JPI$_ASTEN; |
421 | itmlst[0].length = sizeof(asten); |
422 | itmlst[0].retlenaddr = NULL; |
423 | itmlst[1].code = 0; |
424 | itmlst[1].length = 0; |
425 | itmlst[1].bufaddr = NULL; |
426 | itmlst[1].retlenaddr = NULL; |
427 | |
428 | iss = lib$get_ef(&alarm_ef); |
429 | if (VMSERR(iss)) lib$signal(iss); |
430 | |
431 | a0 = &alarm_base; |
432 | a0->function = UAL_NULL; |
433 | } |
434 | itmlst[0].bufaddr = &asten; |
435 | |
436 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
437 | if (VMSERR(iss)) lib$signal(iss); |
438 | if (!(asten&0x08)) return -1; |
439 | |
440 | a = &abase; |
441 | if (mseconds) { |
442 | a->function = UAL_SET; |
443 | } else { |
444 | a->function = UAL_CLEAR; |
445 | } |
446 | |
447 | us_to_VMS(mseconds, a->delay); |
448 | if (interval) { |
449 | us_to_VMS(interval, a->interval); |
450 | a->repeat = 1; |
451 | } else |
452 | a->repeat = 0; |
453 | |
454 | iss = sys$clref(alarm_ef); |
455 | if (VMSERR(iss)) lib$signal(iss); |
456 | |
457 | iss = sys$dclast(ualarm_AST,a,0); |
458 | if (VMSERR(iss)) lib$signal(iss); |
459 | |
460 | iss = sys$waitfr(alarm_ef); |
461 | if (VMSERR(iss)) lib$signal(iss); |
462 | |
463 | if (a->function == UAL_ACTIVE) |
464 | return VMS_to_us(a->remain); |
465 | else |
466 | return 0; |
467 | } |
468 | |
469 | |
470 | |
471 | static void |
472 | ualarm_AST(Alarm *a) |
473 | { |
474 | int iss; |
475 | unsigned long now[2]; |
476 | |
477 | iss = sys$gettim(now); |
478 | if (VMSERR(iss)) lib$signal(iss); |
479 | |
480 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
481 | if (a0->function == UAL_ACTIVE) { |
482 | iss = sys$cantim(a0,PSL$C_USER); |
483 | if (VMSERR(iss)) lib$signal(iss); |
484 | |
485 | iss = lib$subx(a0->remain, now, a->remain); |
486 | if (VMSERR(iss)) lib$signal(iss); |
487 | |
488 | if (a->remain[1] & 0x80000000) |
489 | a->remain[0] = a->remain[1] = 0; |
490 | } |
491 | |
492 | if (a->function == UAL_SET) { |
493 | a->function = a0->function; |
494 | a0->function = UAL_ACTIVE; |
495 | a0->repeat = a->repeat; |
496 | if (a0->repeat) { |
497 | a0->interval[0] = a->interval[0]; |
498 | a0->interval[1] = a->interval[1]; |
499 | } |
500 | a0->delay[0] = a->delay[0]; |
501 | a0->delay[1] = a->delay[1]; |
502 | |
503 | iss = lib$subx(now, a0->delay, a0->remain); |
504 | if (VMSERR(iss)) lib$signal(iss); |
505 | |
506 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
507 | if (VMSERR(iss)) lib$signal(iss); |
508 | } else { |
509 | a->function = a0->function; |
510 | a0->function = UAL_NULL; |
511 | } |
512 | iss = sys$setef(alarm_ef); |
513 | if (VMSERR(iss)) lib$signal(iss); |
514 | } else if (a->function == UAL_ACTIVE) { |
515 | if (a->repeat) { |
516 | iss = lib$subx(now, a->interval, a->remain); |
517 | if (VMSERR(iss)) lib$signal(iss); |
518 | |
519 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
520 | if (VMSERR(iss)) lib$signal(iss); |
521 | } else { |
522 | a->function = UAL_NULL; |
523 | } |
524 | iss = sys$wake(0,0); |
525 | if (VMSERR(iss)) lib$signal(iss); |
526 | lib$signal(SS$_ASTFLT); |
527 | } else { |
528 | lib$signal(SS$_BADPARAM); |
529 | } |
530 | } |
531 | |
532 | #endif /* !HAS_UALARM && VMS */ |
533 | |
534 | |
535 | |
dcf686c9 |
536 | #ifdef HAS_GETTIMEOFDAY |
537 | |
a2e20b18 |
538 | static int |
dcf686c9 |
539 | myU2time(UV *ret) |
540 | { |
541 | struct timeval Tp; |
542 | int status; |
543 | status = gettimeofday (&Tp, NULL); |
544 | ret[0] = Tp.tv_sec; |
545 | ret[1] = Tp.tv_usec; |
a2e20b18 |
546 | return status; |
dcf686c9 |
547 | } |
548 | |
3c72ec00 |
549 | static NV |
dcf686c9 |
550 | myNVtime() |
551 | { |
552 | struct timeval Tp; |
553 | int status; |
554 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
555 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
556 | } |
557 | |
558 | #endif |
559 | |
560 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
561 | |
562 | PROTOTYPES: ENABLE |
563 | |
564 | BOOT: |
dcf686c9 |
565 | #ifdef HAS_GETTIMEOFDAY |
a2e20b18 |
566 | { |
567 | UV auv[2]; |
cfb1f18c |
568 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
a2e20b18 |
569 | if (myU2time(auv) == 0) |
570 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0); |
571 | } |
dcf686c9 |
572 | #endif |
dcf686c9 |
573 | |
3c72ec00 |
574 | IV |
575 | constant(name, arg) |
576 | char * name |
577 | int arg |
578 | |
52d72fba |
579 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
580 | |
92bc48ca |
581 | NV |
dcf686c9 |
582 | usleep(useconds) |
92bc48ca |
583 | NV useconds |
52d72fba |
584 | PREINIT: |
585 | struct timeval Ta, Tb; |
586 | CODE: |
587 | gettimeofday(&Ta, NULL); |
588 | if (items > 0) { |
92bc48ca |
589 | if (useconds > 1E6) { |
590 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
591 | /* If usleep() has been implemented using setitimer() |
592 | * then this contortion is unnecessary-- but usleep() |
593 | * may be implemented in some other way, so let's contort. */ |
594 | if (seconds) { |
595 | sleep(seconds); |
596 | useconds -= 1E6 * seconds; |
597 | } |
598 | } else if (useconds < 0.0) |
599 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
92bc48ca |
600 | usleep((UV)useconds); |
52d72fba |
601 | } else |
602 | PerlProc_pause(); |
603 | gettimeofday(&Tb, NULL); |
92bc48ca |
604 | #if 0 |
605 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
606 | #endif |
607 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
608 | |
52d72fba |
609 | OUTPUT: |
610 | RETVAL |
611 | |
612 | NV |
f9d00e57 |
613 | sleep(...) |
52d72fba |
614 | PREINIT: |
615 | struct timeval Ta, Tb; |
dcf686c9 |
616 | CODE: |
52d72fba |
617 | gettimeofday(&Ta, NULL); |
92bc48ca |
618 | if (items > 0) { |
619 | NV seconds = SvNV(ST(0)); |
f7916ddb |
620 | if (seconds >= 0.0) { |
4880edd6 |
621 | UV useconds = 1E6 * (seconds - (UV)seconds); |
622 | if (seconds >= 1.0) |
623 | sleep((UV)seconds); |
f7916ddb |
624 | usleep(useconds); |
625 | } else |
626 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
627 | } else |
f9d00e57 |
628 | PerlProc_pause(); |
52d72fba |
629 | gettimeofday(&Tb, NULL); |
92bc48ca |
630 | #if 0 |
631 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
632 | #endif |
52d72fba |
633 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
634 | |
635 | OUTPUT: |
636 | RETVAL |
dcf686c9 |
637 | |
638 | #endif |
639 | |
640 | #ifdef HAS_UALARM |
641 | |
3de7a4ec |
642 | int |
dcf686c9 |
643 | ualarm(useconds,interval=0) |
644 | int useconds |
645 | int interval |
f7916ddb |
646 | CODE: |
647 | if (useconds < 0 || interval < 0) |
3de7a4ec |
648 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval); |
f7916ddb |
649 | RETVAL = ualarm(useconds, interval); |
dcf686c9 |
650 | |
f7916ddb |
651 | OUTPUT: |
652 | RETVAL |
653 | |
654 | NV |
655 | alarm(seconds,interval=0) |
656 | NV seconds |
657 | NV interval |
dcf686c9 |
658 | CODE: |
f7916ddb |
659 | if (seconds < 0.0 || interval < 0.0) |
660 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
661 | RETVAL = (NV)ualarm(seconds * 1000000, |
662 | interval * 1000000) / 1E6; |
dcf686c9 |
663 | |
c6c619a9 |
664 | OUTPUT: |
665 | RETVAL |
666 | |
dcf686c9 |
667 | #endif |
668 | |
669 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
670 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
671 | void |
672 | gettimeofday() |
673 | PREINIT: |
674 | struct timeval Tp; |
675 | struct timezone Tz; |
676 | PPCODE: |
677 | int status; |
678 | status = gettimeofday (&Tp, &Tz); |
679 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
680 | |
681 | if (GIMME == G_ARRAY) { |
682 | EXTEND(sp, 2); |
683 | /* Mac OS (Classic) has unsigned time_t */ |
684 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
685 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
686 | } else { |
687 | EXTEND(sp, 1); |
688 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
689 | } |
690 | |
691 | NV |
692 | time() |
693 | PREINIT: |
694 | struct timeval Tp; |
695 | struct timezone Tz; |
696 | CODE: |
697 | int status; |
698 | status = gettimeofday (&Tp, &Tz); |
699 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
700 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0); |
701 | OUTPUT: |
702 | RETVAL |
dcf686c9 |
703 | |
db835671 |
704 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
705 | void |
706 | gettimeofday() |
707 | PREINIT: |
708 | struct timeval Tp; |
709 | PPCODE: |
710 | int status; |
711 | status = gettimeofday (&Tp, NULL); |
712 | if (GIMME == G_ARRAY) { |
713 | EXTEND(sp, 2); |
714 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
715 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
716 | } else { |
717 | EXTEND(sp, 1); |
718 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
719 | } |
720 | |
3c72ec00 |
721 | NV |
dcf686c9 |
722 | time() |
723 | PREINIT: |
724 | struct timeval Tp; |
725 | CODE: |
726 | int status; |
727 | status = gettimeofday (&Tp, NULL); |
728 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
729 | OUTPUT: |
730 | RETVAL |
731 | |
db835671 |
732 | # endif /* MACOS_TRADITIONAL */ |
dcf686c9 |
733 | #endif |
734 | |
3c72ec00 |
735 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
736 | |
737 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
738 | |
739 | void |
740 | setitimer(which, seconds, interval = 0) |
741 | int which |
742 | NV seconds |
743 | NV interval |
744 | PREINIT: |
745 | struct itimerval newit; |
746 | struct itimerval oldit; |
747 | PPCODE: |
f7916ddb |
748 | if (seconds < 0.0 || interval < 0.0) |
749 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", which, seconds, interval); |
3c72ec00 |
750 | newit.it_value.tv_sec = seconds; |
751 | newit.it_value.tv_usec = |
752 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
753 | newit.it_interval.tv_sec = interval; |
754 | newit.it_interval.tv_usec = |
755 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
756 | if (setitimer(which, &newit, &oldit) == 0) { |
757 | EXTEND(sp, 1); |
758 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
759 | if (GIMME == G_ARRAY) { |
760 | EXTEND(sp, 1); |
761 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
762 | } |
763 | } |
764 | |
765 | void |
766 | getitimer(which) |
767 | int which |
768 | PREINIT: |
769 | struct itimerval nowit; |
770 | PPCODE: |
771 | if (getitimer(which, &nowit) == 0) { |
772 | EXTEND(sp, 1); |
773 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
774 | if (GIMME == G_ARRAY) { |
775 | EXTEND(sp, 1); |
776 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
777 | } |
778 | } |
779 | |
780 | #endif |
781 | |
dcf686c9 |
782 | # $Id: HiRes.xs,v 1.11 1999/03/16 02:27:38 wegscd Exp wegscd $ |
783 | |
784 | # $Log: HiRes.xs,v $ |
785 | # Revision 1.11 1999/03/16 02:27:38 wegscd |
786 | # Add U2time, NVtime. Fix symbols for static link. |
787 | # |
788 | # Revision 1.10 1998/09/30 02:36:25 wegscd |
789 | # Add VMS changes. |
790 | # |
791 | # Revision 1.9 1998/07/07 02:42:06 wegscd |
792 | # Win32 usleep() |
793 | # |
794 | # Revision 1.8 1998/07/02 01:47:26 wegscd |
795 | # Add Win32 code for gettimeofday. |
796 | # |
797 | # Revision 1.7 1997/11/13 02:08:12 wegscd |
798 | # Add missing EXTEND in gettimeofday() scalar code. |
799 | # |
800 | # Revision 1.6 1997/11/11 02:32:35 wegscd |
801 | # Do something useful when calling gettimeofday() in a scalar context. |
802 | # The patch is courtesy of Gisle Aas. |
803 | # |
804 | # Revision 1.5 1997/11/06 03:10:47 wegscd |
805 | # Fake ualarm() if we have setitimer. |
806 | # |
807 | # Revision 1.4 1997/11/05 05:41:23 wegscd |
808 | # Turn prototypes ON (suggested by Gisle Aas) |
809 | # |
810 | # Revision 1.3 1997/10/13 20:56:15 wegscd |
811 | # Add PROTOTYPES: DISABLE |
812 | # |
813 | # Revision 1.2 1997/05/23 01:01:38 wegscd |
814 | # Conditional compilation, depending on what the OS gives us. |
815 | # |
816 | # Revision 1.1 1996/09/03 18:26:35 wegscd |
817 | # Initial revision |
818 | # |
819 | # |