Commit | Line | Data |
f8daf111 |
1 | /* |
2 | * |
3 | * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved. |
4 | * |
5 | * Copyright (c) 2002,2003,2004,2005 Jarkko Hietaniemi. All rights reserved. |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the same terms as Perl itself. |
9 | */ |
10 | |
dcf686c9 |
11 | #ifdef __cplusplus |
12 | extern "C" { |
13 | #endif |
0225372c |
14 | #define PERL_NO_GET_CONTEXT |
dcf686c9 |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | #include "XSUB.h" |
1fbb4de4 |
18 | #include "ppport.h" |
4ed0e2d4 |
19 | #if defined(__CYGWIN__) && defined(HAS_W32API_WINDOWS_H) |
20 | # include <w32api/windows.h> |
21 | # define CYGWIN_WITH_W32API |
22 | #endif |
dcf686c9 |
23 | #ifdef WIN32 |
4ed0e2d4 |
24 | # include <time.h> |
dcf686c9 |
25 | #else |
4ed0e2d4 |
26 | # include <sys/time.h> |
dcf686c9 |
27 | #endif |
36df99d6 |
28 | #ifdef HAS_SELECT |
29 | # ifdef I_SYS_SELECT |
30 | # include <sys/select.h> |
31 | # endif |
32 | #endif |
dcf686c9 |
33 | #ifdef __cplusplus |
34 | } |
35 | #endif |
36 | |
1fbb4de4 |
37 | #ifndef PerlProc_pause |
38 | # define PerlProc_pause() Pause() |
3f2ee006 |
39 | #endif |
40 | |
1fbb4de4 |
41 | #ifdef HAS_PAUSE |
42 | # define Pause pause |
3f2ee006 |
43 | #else |
27da23d5 |
44 | # undef Pause /* In case perl.h did it already. */ |
64a7a97c |
45 | # define Pause() sleep(~0) /* Zzz for a long time. */ |
3f2ee006 |
46 | #endif |
47 | |
48 | /* Though the cpp define ITIMER_VIRTUAL is available the functionality |
4ed0e2d4 |
49 | * is not supported in Cygwin as of August 2004, ditto for Win32. |
3f2ee006 |
50 | * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi |
51 | */ |
52 | #if defined(__CYGWIN__) || defined(WIN32) |
53 | # undef ITIMER_VIRTUAL |
54 | # undef ITIMER_PROF |
55 | # undef ITIMER_REALPROF |
56 | #endif |
57 | |
98b50af3 |
58 | /* 5.004 doesn't define PL_sv_undef */ |
59 | #ifndef ATLEASTFIVEOHOHFIVE |
4ed0e2d4 |
60 | # ifndef PL_sv_undef |
61 | # define PL_sv_undef sv_undef |
62 | # endif |
3c72ec00 |
63 | #endif |
3c72ec00 |
64 | |
98b50af3 |
65 | #include "const-c.inc" |
3c72ec00 |
66 | |
4ed0e2d4 |
67 | #if defined(WIN32) || defined(CYGWIN_WITH_W32API) |
0225372c |
68 | |
69 | #ifndef HAS_GETTIMEOFDAY |
70 | # define HAS_GETTIMEOFDAY |
71 | #endif |
fd44fdfd |
72 | |
6e3b076d |
73 | /* shows up in winsock.h? |
74 | struct timeval { |
75 | long tv_sec; |
76 | long tv_usec; |
77 | } |
78 | */ |
79 | |
fd44fdfd |
80 | typedef union { |
81 | unsigned __int64 ft_i64; |
82 | FILETIME ft_val; |
83 | } FT_t; |
84 | |
0225372c |
85 | #define MY_CXT_KEY "Time::HiRes_" XS_VERSION |
86 | |
87 | typedef struct { |
88 | unsigned long run_count; |
89 | unsigned __int64 base_ticks; |
90 | unsigned __int64 tick_frequency; |
91 | FT_t base_systime_as_filetime; |
4ed0e2d4 |
92 | unsigned __int64 reset_time; |
0225372c |
93 | } my_cxt_t; |
94 | |
95 | START_MY_CXT |
96 | |
6e3b076d |
97 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
fd44fdfd |
98 | #ifdef __GNUC__ |
4ed0e2d4 |
99 | # define Const64(x) x##LL |
fd44fdfd |
100 | #else |
4ed0e2d4 |
101 | # define Const64(x) x##i64 |
fd44fdfd |
102 | #endif |
fd44fdfd |
103 | #define EPOCH_BIAS Const64(116444736000000000) |
104 | |
105 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
106 | * and appears to be unsupported even by glibc) */ |
0225372c |
107 | |
108 | /* dMY_CXT needs a Perl context and we don't want to call PERL_GET_CONTEXT |
109 | for performance reasons */ |
110 | |
111 | #undef gettimeofday |
112 | #define gettimeofday(tp, not_used) _gettimeofday(aTHX_ tp, not_used) |
113 | |
d8cb5b61 |
114 | /* If the performance counter delta drifts more than 0.5 seconds from the |
115 | * system time then we recalibrate to the system time. This means we may |
c1dc6e7c |
116 | * move *backwards* in time! */ |
4ed0e2d4 |
117 | #define MAX_PERF_COUNTER_SKEW Const64(5000000) /* 0.5 seconds */ |
c1dc6e7c |
118 | |
4ed0e2d4 |
119 | /* Reset reading from the performance counter every five minutes. |
120 | * Many PC clocks just seem to be so bad. */ |
121 | #define MAX_PERF_COUNTER_TICKS Const64(300000000) /* 300 seconds */ |
c1dc6e7c |
122 | |
0225372c |
123 | static int |
124 | _gettimeofday(pTHX_ struct timeval *tp, void *not_used) |
fd44fdfd |
125 | { |
0225372c |
126 | dMY_CXT; |
127 | |
128 | unsigned __int64 ticks; |
fd44fdfd |
129 | FT_t ft; |
130 | |
4ed0e2d4 |
131 | if (MY_CXT.run_count++ == 0 || |
132 | MY_CXT.base_systime_as_filetime.ft_i64 > MY_CXT.reset_time) { |
133 | QueryPerformanceFrequency((LARGE_INTEGER*)&MY_CXT.tick_frequency); |
134 | QueryPerformanceCounter((LARGE_INTEGER*)&MY_CXT.base_ticks); |
135 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
136 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
137 | MY_CXT.reset_time = ft.ft_i64 + MAX_PERF_COUNTER_TICKS; |
138 | } |
139 | else { |
c1dc6e7c |
140 | __int64 diff; |
0225372c |
141 | QueryPerformanceCounter((LARGE_INTEGER*)&ticks); |
142 | ticks -= MY_CXT.base_ticks; |
143 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64 |
b6136f41 |
144 | + Const64(10000000) * (ticks / MY_CXT.tick_frequency) |
145 | +(Const64(10000000) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency; |
c1dc6e7c |
146 | diff = ft.ft_i64 - MY_CXT.base_systime_as_filetime.ft_i64; |
4ed0e2d4 |
147 | if (diff < -MAX_PERF_COUNTER_SKEW || diff > MAX_PERF_COUNTER_SKEW) { |
148 | MY_CXT.base_ticks += ticks; |
149 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
150 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
c1dc6e7c |
151 | } |
0225372c |
152 | } |
fd44fdfd |
153 | |
154 | /* seconds since epoch */ |
155 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
156 | |
157 | /* microseconds remaining */ |
158 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
159 | |
160 | return 0; |
161 | } |
6e3b076d |
162 | #endif |
fd44fdfd |
163 | |
0225372c |
164 | #if defined(WIN32) && !defined(ATLEASTFIVEOHOHFIVE) |
165 | static unsigned int |
166 | sleep(unsigned int t) |
167 | { |
168 | Sleep(t*1000); |
169 | return 0; |
170 | } |
171 | #endif |
172 | |
dcf686c9 |
173 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
174 | #define HAS_GETTIMEOFDAY |
175 | |
9b6f56ad |
176 | #include <lnmdef.h> |
dcf686c9 |
177 | #include <time.h> /* gettimeofday */ |
178 | #include <stdlib.h> /* qdiv */ |
179 | #include <starlet.h> /* sys$gettim */ |
180 | #include <descrip.h> |
3785778e |
181 | #ifdef __VAX |
182 | #include <lib$routines.h> /* lib$ediv() */ |
183 | #endif |
dcf686c9 |
184 | |
185 | /* |
186 | VMS binary time is expressed in 100 nano-seconds since |
187 | system base time which is 17-NOV-1858 00:00:00.00 |
188 | */ |
189 | |
190 | #define DIV_100NS_TO_SECS 10000000L |
191 | #define DIV_100NS_TO_USECS 10L |
192 | |
193 | /* |
194 | gettimeofday is supposed to return times since the epoch |
195 | so need to determine this in terms of VMS base time |
196 | */ |
197 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
198 | |
5cdb7193 |
199 | #ifdef __VAX |
3785778e |
200 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
201 | #else |
dcf686c9 |
202 | static __int64 base_adjust=0; |
5cdb7193 |
203 | #endif |
dcf686c9 |
204 | |
9b6f56ad |
205 | /* |
206 | |
207 | If we don't have gettimeofday, then likely we are on a VMS machine that |
208 | operates on local time rather than UTC...so we have to zone-adjust. |
209 | This code gleefully swiped from VMS.C |
210 | |
211 | */ |
212 | /* method used to handle UTC conversions: |
213 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
214 | */ |
215 | static int gmtime_emulation_type; |
216 | /* number of secs to add to UTC POSIX-style time to get local time */ |
217 | static long int utc_offset_secs; |
218 | static struct dsc$descriptor_s fildevdsc = |
219 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
220 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
221 | |
222 | static time_t toutc_dst(time_t loc) { |
223 | struct tm *rsltmp; |
224 | |
225 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
226 | loc -= utc_offset_secs; |
227 | if (rsltmp->tm_isdst) loc -= 3600; |
228 | return loc; |
229 | } |
230 | |
231 | static time_t toloc_dst(time_t utc) { |
232 | struct tm *rsltmp; |
233 | |
234 | utc += utc_offset_secs; |
235 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
236 | if (rsltmp->tm_isdst) utc += 3600; |
237 | return utc; |
238 | } |
239 | |
240 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
241 | ((gmtime_emulation_type || timezone_setup()), \ |
242 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
243 | ((secs) - utc_offset_secs)))) |
244 | |
245 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
246 | ((gmtime_emulation_type || timezone_setup()), \ |
247 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
248 | ((secs) + utc_offset_secs)))) |
249 | |
250 | static int |
251 | timezone_setup(void) |
252 | { |
253 | struct tm *tm_p; |
254 | |
255 | if (gmtime_emulation_type == 0) { |
256 | int dstnow; |
257 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
258 | /* results of calls to gmtime() and localtime() */ |
259 | /* for same &base */ |
260 | |
261 | gmtime_emulation_type++; |
262 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
263 | char off[LNM$C_NAMLENGTH+1];; |
264 | |
265 | gmtime_emulation_type++; |
266 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
267 | gmtime_emulation_type++; |
268 | utc_offset_secs = 0; |
269 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
270 | } |
271 | else { utc_offset_secs = atol(off); } |
272 | } |
273 | else { /* We've got a working gmtime() */ |
274 | struct tm gmt, local; |
275 | |
276 | gmt = *tm_p; |
277 | tm_p = localtime(&base); |
278 | local = *tm_p; |
279 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
280 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
281 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
282 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
283 | } |
284 | } |
285 | return 1; |
286 | } |
287 | |
288 | |
dcf686c9 |
289 | int |
290 | gettimeofday (struct timeval *tp, void *tpz) |
291 | { |
292 | long ret; |
5cdb7193 |
293 | #ifdef __VAX |
3785778e |
294 | long quad[2]; |
295 | long quad1[2]; |
296 | long div_100ns_to_secs; |
297 | long div_100ns_to_usecs; |
298 | long quo,rem; |
299 | long quo1,rem1; |
5cdb7193 |
300 | #else |
dcf686c9 |
301 | __int64 quad; |
302 | __qdiv_t ans1,ans2; |
5cdb7193 |
303 | #endif |
dcf686c9 |
304 | /* |
305 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
306 | The return from function is also set to -1. |
307 | This is not exactly as per the manual page. |
308 | */ |
309 | |
310 | tp->tv_usec = 0; |
311 | |
3785778e |
312 | #ifdef __VAX |
313 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
314 | #else |
dcf686c9 |
315 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
316 | #endif |
dcf686c9 |
317 | ret=sys$bintim(&dscepoch,&base_adjust); |
318 | if (1 != (ret &&1)) { |
319 | tp->tv_sec = ret; |
320 | return -1; |
321 | } |
322 | } |
323 | |
324 | ret=sys$gettim(&quad); /* Get VMS system time */ |
325 | if ((1 && ret) == 1) { |
5cdb7193 |
326 | #ifdef __VAX |
3785778e |
327 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
328 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
329 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
330 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
331 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
332 | quad1[0] = rem; |
333 | quad1[1] = 0L; |
334 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
335 | tp->tv_sec = quo; /* Whole seconds */ |
336 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
337 | #else |
3785778e |
338 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
339 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
340 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
341 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
342 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
343 | #endif |
dcf686c9 |
344 | } else { |
345 | tp->tv_sec = ret; |
346 | return -1; |
347 | } |
9b6f56ad |
348 | # ifdef VMSISH_TIME |
349 | # ifdef RTL_USES_UTC |
350 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
351 | # else |
352 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
353 | # endif |
354 | # endif |
dcf686c9 |
355 | return 0; |
356 | } |
357 | #endif |
358 | |
3f2ee006 |
359 | |
046e3f33 |
360 | /* Do not use H A S _ N A N O S L E E P |
361 | * so that Perl Configure doesn't scan for it. |
362 | * The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */ |
363 | #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) |
3f2ee006 |
364 | #define HAS_USLEEP |
44d3ce20 |
365 | #define usleep hrt_unanosleep /* could conflict with ncurses for static build */ |
3f2ee006 |
366 | |
367 | void |
44d3ce20 |
368 | hrt_unanosleep(unsigned long usec) /* This is used to emulate usleep. */ |
3f2ee006 |
369 | { |
370 | struct timespec res; |
371 | res.tv_sec = usec/1000/1000; |
372 | res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000; |
373 | nanosleep(&res, NULL); |
374 | } |
3f2ee006 |
375 | |
44d3ce20 |
376 | #endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */ |
3f2ee006 |
377 | |
dcf686c9 |
378 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
379 | #ifndef SELECT_IS_BROKEN |
380 | #define HAS_USLEEP |
381 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
382 | |
383 | void |
384 | hrt_usleep(unsigned long usec) |
385 | { |
386 | struct timeval tv; |
387 | tv.tv_sec = 0; |
388 | tv.tv_usec = usec; |
389 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
390 | (Select_fd_set_t)NULL, &tv); |
391 | } |
392 | #endif |
44d3ce20 |
393 | #endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */ |
dcf686c9 |
394 | |
395 | #if !defined(HAS_USLEEP) && defined(WIN32) |
396 | #define HAS_USLEEP |
397 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
398 | |
399 | void |
400 | hrt_usleep(unsigned long usec) |
401 | { |
402 | long msec; |
403 | msec = usec / 1000; |
404 | Sleep (msec); |
405 | } |
44d3ce20 |
406 | #endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */ |
dcf686c9 |
407 | |
408 | |
409 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
410 | #define HAS_UALARM |
411 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
412 | |
413 | int |
414 | hrt_ualarm(int usec, int interval) |
415 | { |
416 | struct itimerval itv; |
417 | itv.it_value.tv_sec = usec / 1000000; |
418 | itv.it_value.tv_usec = usec % 1000000; |
419 | itv.it_interval.tv_sec = interval / 1000000; |
420 | itv.it_interval.tv_usec = interval % 1000000; |
421 | return setitimer(ITIMER_REAL, &itv, 0); |
422 | } |
44d3ce20 |
423 | #endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */ |
dcf686c9 |
424 | |
ca40fe49 |
425 | #if !defined(HAS_UALARM) && defined(VMS) |
426 | #define HAS_UALARM |
427 | #define ualarm vms_ualarm |
428 | |
429 | #include <lib$routines.h> |
430 | #include <ssdef.h> |
431 | #include <starlet.h> |
432 | #include <descrip.h> |
433 | #include <signal.h> |
434 | #include <jpidef.h> |
435 | #include <psldef.h> |
436 | |
437 | #define VMSERR(s) (!((s)&1)) |
438 | |
439 | static void |
440 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
441 | { |
442 | int iss; |
443 | unsigned long qq[2]; |
444 | |
445 | qq[0] = mseconds; |
446 | qq[1] = 0; |
447 | v[0] = v[1] = 0; |
448 | |
449 | iss = lib$addx(qq,qq,qq); |
450 | if (VMSERR(iss)) lib$signal(iss); |
451 | iss = lib$subx(v,qq,v); |
452 | if (VMSERR(iss)) lib$signal(iss); |
453 | iss = lib$addx(qq,qq,qq); |
454 | if (VMSERR(iss)) lib$signal(iss); |
455 | iss = lib$subx(v,qq,v); |
456 | if (VMSERR(iss)) lib$signal(iss); |
457 | iss = lib$subx(v,qq,v); |
458 | if (VMSERR(iss)) lib$signal(iss); |
459 | } |
460 | |
461 | static int |
462 | VMS_to_us(unsigned long v[]) |
463 | { |
464 | int iss; |
465 | unsigned long div=10,quot, rem; |
466 | |
467 | iss = lib$ediv(&div,v,",&rem); |
468 | if (VMSERR(iss)) lib$signal(iss); |
469 | |
470 | return quot; |
471 | } |
472 | |
473 | typedef unsigned short word; |
474 | typedef struct _ualarm { |
475 | int function; |
476 | int repeat; |
477 | unsigned long delay[2]; |
478 | unsigned long interval[2]; |
479 | unsigned long remain[2]; |
480 | } Alarm; |
481 | |
482 | |
483 | static int alarm_ef; |
484 | static Alarm *a0, alarm_base; |
485 | #define UAL_NULL 0 |
486 | #define UAL_SET 1 |
487 | #define UAL_CLEAR 2 |
488 | #define UAL_ACTIVE 4 |
489 | static void ualarm_AST(Alarm *a); |
490 | |
491 | static int |
492 | vms_ualarm(int mseconds, int interval) |
493 | { |
494 | Alarm *a, abase; |
495 | struct item_list3 { |
496 | word length; |
497 | word code; |
498 | void *bufaddr; |
499 | void *retlenaddr; |
500 | } ; |
501 | static struct item_list3 itmlst[2]; |
502 | static int first = 1; |
503 | unsigned long asten; |
504 | int iss, enabled; |
505 | |
506 | if (first) { |
507 | first = 0; |
508 | itmlst[0].code = JPI$_ASTEN; |
509 | itmlst[0].length = sizeof(asten); |
510 | itmlst[0].retlenaddr = NULL; |
511 | itmlst[1].code = 0; |
512 | itmlst[1].length = 0; |
513 | itmlst[1].bufaddr = NULL; |
514 | itmlst[1].retlenaddr = NULL; |
515 | |
516 | iss = lib$get_ef(&alarm_ef); |
517 | if (VMSERR(iss)) lib$signal(iss); |
518 | |
519 | a0 = &alarm_base; |
520 | a0->function = UAL_NULL; |
521 | } |
522 | itmlst[0].bufaddr = &asten; |
523 | |
524 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
525 | if (VMSERR(iss)) lib$signal(iss); |
526 | if (!(asten&0x08)) return -1; |
527 | |
528 | a = &abase; |
529 | if (mseconds) { |
530 | a->function = UAL_SET; |
531 | } else { |
532 | a->function = UAL_CLEAR; |
533 | } |
534 | |
535 | us_to_VMS(mseconds, a->delay); |
536 | if (interval) { |
537 | us_to_VMS(interval, a->interval); |
538 | a->repeat = 1; |
539 | } else |
540 | a->repeat = 0; |
541 | |
542 | iss = sys$clref(alarm_ef); |
543 | if (VMSERR(iss)) lib$signal(iss); |
544 | |
545 | iss = sys$dclast(ualarm_AST,a,0); |
546 | if (VMSERR(iss)) lib$signal(iss); |
547 | |
548 | iss = sys$waitfr(alarm_ef); |
549 | if (VMSERR(iss)) lib$signal(iss); |
550 | |
551 | if (a->function == UAL_ACTIVE) |
552 | return VMS_to_us(a->remain); |
553 | else |
554 | return 0; |
555 | } |
556 | |
557 | |
558 | |
559 | static void |
560 | ualarm_AST(Alarm *a) |
561 | { |
562 | int iss; |
563 | unsigned long now[2]; |
564 | |
565 | iss = sys$gettim(now); |
566 | if (VMSERR(iss)) lib$signal(iss); |
567 | |
568 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
569 | if (a0->function == UAL_ACTIVE) { |
570 | iss = sys$cantim(a0,PSL$C_USER); |
571 | if (VMSERR(iss)) lib$signal(iss); |
572 | |
573 | iss = lib$subx(a0->remain, now, a->remain); |
574 | if (VMSERR(iss)) lib$signal(iss); |
575 | |
576 | if (a->remain[1] & 0x80000000) |
577 | a->remain[0] = a->remain[1] = 0; |
578 | } |
579 | |
580 | if (a->function == UAL_SET) { |
581 | a->function = a0->function; |
582 | a0->function = UAL_ACTIVE; |
583 | a0->repeat = a->repeat; |
584 | if (a0->repeat) { |
585 | a0->interval[0] = a->interval[0]; |
586 | a0->interval[1] = a->interval[1]; |
587 | } |
588 | a0->delay[0] = a->delay[0]; |
589 | a0->delay[1] = a->delay[1]; |
590 | |
591 | iss = lib$subx(now, a0->delay, a0->remain); |
592 | if (VMSERR(iss)) lib$signal(iss); |
593 | |
594 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
595 | if (VMSERR(iss)) lib$signal(iss); |
596 | } else { |
597 | a->function = a0->function; |
598 | a0->function = UAL_NULL; |
599 | } |
600 | iss = sys$setef(alarm_ef); |
601 | if (VMSERR(iss)) lib$signal(iss); |
602 | } else if (a->function == UAL_ACTIVE) { |
603 | if (a->repeat) { |
604 | iss = lib$subx(now, a->interval, a->remain); |
605 | if (VMSERR(iss)) lib$signal(iss); |
606 | |
607 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
608 | if (VMSERR(iss)) lib$signal(iss); |
609 | } else { |
610 | a->function = UAL_NULL; |
611 | } |
612 | iss = sys$wake(0,0); |
613 | if (VMSERR(iss)) lib$signal(iss); |
614 | lib$signal(SS$_ASTFLT); |
615 | } else { |
616 | lib$signal(SS$_BADPARAM); |
617 | } |
618 | } |
619 | |
44d3ce20 |
620 | #endif /* #if !defined(HAS_UALARM) && defined(VMS) */ |
ca40fe49 |
621 | |
dcf686c9 |
622 | #ifdef HAS_GETTIMEOFDAY |
623 | |
a2e20b18 |
624 | static int |
0225372c |
625 | myU2time(pTHX_ UV *ret) |
dcf686c9 |
626 | { |
627 | struct timeval Tp; |
628 | int status; |
6e3b076d |
629 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
630 | ret[0] = Tp.tv_sec; |
631 | ret[1] = Tp.tv_usec; |
a2e20b18 |
632 | return status; |
dcf686c9 |
633 | } |
634 | |
3c72ec00 |
635 | static NV |
dcf686c9 |
636 | myNVtime() |
637 | { |
0225372c |
638 | #ifdef WIN32 |
4ed0e2d4 |
639 | dTHX; |
0225372c |
640 | #endif |
dcf686c9 |
641 | struct timeval Tp; |
642 | int status; |
6e3b076d |
643 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
644 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
645 | } |
646 | |
44d3ce20 |
647 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
648 | |
649 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
650 | |
651 | PROTOTYPES: ENABLE |
652 | |
653 | BOOT: |
0225372c |
654 | { |
655 | #ifdef MY_CXT_KEY |
656 | MY_CXT_INIT; |
657 | #endif |
3f2ee006 |
658 | #ifdef ATLEASTFIVEOHOHFIVE |
dcf686c9 |
659 | #ifdef HAS_GETTIMEOFDAY |
0225372c |
660 | { |
0225372c |
661 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
06252d99 |
662 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0); |
0225372c |
663 | } |
664 | #endif |
dcf686c9 |
665 | #endif |
0225372c |
666 | } |
667 | |
668 | #if defined(USE_ITHREADS) && defined(MY_CXT_KEY) |
669 | |
670 | void |
671 | CLONE(...) |
672 | CODE: |
673 | MY_CXT_CLONE; |
674 | |
3f2ee006 |
675 | #endif |
dcf686c9 |
676 | |
98b50af3 |
677 | INCLUDE: const-xs.inc |
3c72ec00 |
678 | |
52d72fba |
679 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
680 | |
92bc48ca |
681 | NV |
dcf686c9 |
682 | usleep(useconds) |
92bc48ca |
683 | NV useconds |
52d72fba |
684 | PREINIT: |
685 | struct timeval Ta, Tb; |
686 | CODE: |
6e3b076d |
687 | gettimeofday(&Ta, NULL); |
52d72fba |
688 | if (items > 0) { |
92bc48ca |
689 | if (useconds > 1E6) { |
690 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
691 | /* If usleep() has been implemented using setitimer() |
692 | * then this contortion is unnecessary-- but usleep() |
693 | * may be implemented in some other way, so let's contort. */ |
694 | if (seconds) { |
695 | sleep(seconds); |
696 | useconds -= 1E6 * seconds; |
697 | } |
698 | } else if (useconds < 0.0) |
699 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
9a2ac92c |
700 | usleep((U32)useconds); |
52d72fba |
701 | } else |
702 | PerlProc_pause(); |
6e3b076d |
703 | gettimeofday(&Tb, NULL); |
92bc48ca |
704 | #if 0 |
705 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
706 | #endif |
707 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
708 | |
52d72fba |
709 | OUTPUT: |
710 | RETVAL |
711 | |
44d3ce20 |
712 | #if defined(TIME_HIRES_NANOSLEEP) |
713 | |
714 | NV |
715 | nanosleep(nseconds) |
716 | NV nseconds |
717 | PREINIT: |
718 | struct timeval Ta, Tb; |
719 | CODE: |
720 | gettimeofday(&Ta, NULL); |
721 | if (items > 0) { |
722 | struct timespec tsa; |
723 | if (nseconds > 1E9) { |
724 | IV seconds = (IV) (nseconds / 1E9); |
725 | if (seconds) { |
726 | sleep(seconds); |
727 | nseconds -= 1E9 * seconds; |
728 | } |
729 | } else if (nseconds < 0.0) |
730 | croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nseconds); |
731 | tsa.tv_sec = (IV) (nseconds / 1E9); |
732 | tsa.tv_nsec = (IV) nseconds - tsa.tv_sec * 1E9; |
733 | nanosleep(&tsa, NULL); |
734 | } else |
735 | PerlProc_pause(); |
736 | gettimeofday(&Tb, NULL); |
737 | RETVAL = 1E3*(1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec)); |
738 | |
739 | OUTPUT: |
740 | RETVAL |
741 | |
742 | #endif /* #if defined(TIME_HIRES_NANOSLEEP) */ |
743 | |
52d72fba |
744 | NV |
f9d00e57 |
745 | sleep(...) |
52d72fba |
746 | PREINIT: |
747 | struct timeval Ta, Tb; |
dcf686c9 |
748 | CODE: |
6e3b076d |
749 | gettimeofday(&Ta, NULL); |
92bc48ca |
750 | if (items > 0) { |
751 | NV seconds = SvNV(ST(0)); |
f7916ddb |
752 | if (seconds >= 0.0) { |
7c436af3 |
753 | UV useconds = (UV)(1E6 * (seconds - (UV)seconds)); |
4880edd6 |
754 | if (seconds >= 1.0) |
9a2ac92c |
755 | sleep((U32)seconds); |
db0b859f |
756 | if ((IV)useconds < 0) { |
757 | #if defined(__sparc64__) && defined(__GNUC__) |
758 | /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug |
759 | * where (0.5 - (UV)(0.5)) will under certain |
760 | * circumstances (if the double is cast to UV more |
761 | * than once?) evaluate to -0.5, instead of 0.5. */ |
762 | useconds = -(IV)useconds; |
44d3ce20 |
763 | #endif /* #if defined(__sparc64__) && defined(__GNUC__) */ |
db0b859f |
764 | if ((IV)useconds < 0) |
765 | croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds); |
766 | } |
f7916ddb |
767 | usleep(useconds); |
768 | } else |
769 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
770 | } else |
f9d00e57 |
771 | PerlProc_pause(); |
6e3b076d |
772 | gettimeofday(&Tb, NULL); |
92bc48ca |
773 | #if 0 |
774 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
775 | #endif |
52d72fba |
776 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
777 | |
778 | OUTPUT: |
779 | RETVAL |
dcf686c9 |
780 | |
44d3ce20 |
781 | #endif /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */ |
dcf686c9 |
782 | |
783 | #ifdef HAS_UALARM |
784 | |
3de7a4ec |
785 | int |
dcf686c9 |
786 | ualarm(useconds,interval=0) |
787 | int useconds |
788 | int interval |
f7916ddb |
789 | CODE: |
790 | if (useconds < 0 || interval < 0) |
3de7a4ec |
791 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval); |
f7916ddb |
792 | RETVAL = ualarm(useconds, interval); |
dcf686c9 |
793 | |
f7916ddb |
794 | OUTPUT: |
795 | RETVAL |
796 | |
797 | NV |
798 | alarm(seconds,interval=0) |
799 | NV seconds |
800 | NV interval |
dcf686c9 |
801 | CODE: |
f7916ddb |
802 | if (seconds < 0.0 || interval < 0.0) |
803 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
804 | RETVAL = (NV)ualarm(seconds * 1000000, |
805 | interval * 1000000) / 1E6; |
dcf686c9 |
806 | |
c6c619a9 |
807 | OUTPUT: |
808 | RETVAL |
809 | |
44d3ce20 |
810 | #endif /* #ifdef HAS_UALARM */ |
dcf686c9 |
811 | |
812 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
813 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
814 | void |
815 | gettimeofday() |
816 | PREINIT: |
817 | struct timeval Tp; |
818 | struct timezone Tz; |
819 | PPCODE: |
820 | int status; |
6e3b076d |
821 | status = gettimeofday (&Tp, &Tz); |
db835671 |
822 | |
993164ab |
823 | if (status == 0) { |
824 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
825 | if (GIMME == G_ARRAY) { |
826 | EXTEND(sp, 2); |
827 | /* Mac OS (Classic) has unsigned time_t */ |
828 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
829 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
830 | } else { |
831 | EXTEND(sp, 1); |
832 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
833 | } |
db835671 |
834 | } |
835 | |
836 | NV |
837 | time() |
838 | PREINIT: |
839 | struct timeval Tp; |
840 | struct timezone Tz; |
841 | CODE: |
842 | int status; |
6e3b076d |
843 | status = gettimeofday (&Tp, &Tz); |
993164ab |
844 | if (status == 0) { |
845 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
846 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0); |
847 | } else { |
848 | RETVAL = -1.0; |
849 | } |
db835671 |
850 | OUTPUT: |
851 | RETVAL |
dcf686c9 |
852 | |
db835671 |
853 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
854 | void |
855 | gettimeofday() |
856 | PREINIT: |
857 | struct timeval Tp; |
858 | PPCODE: |
859 | int status; |
6e3b076d |
860 | status = gettimeofday (&Tp, NULL); |
993164ab |
861 | if (status == 0) { |
862 | if (GIMME == G_ARRAY) { |
863 | EXTEND(sp, 2); |
864 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
865 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
866 | } else { |
867 | EXTEND(sp, 1); |
868 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
869 | } |
dcf686c9 |
870 | } |
871 | |
3c72ec00 |
872 | NV |
dcf686c9 |
873 | time() |
874 | PREINIT: |
875 | struct timeval Tp; |
876 | CODE: |
877 | int status; |
6e3b076d |
878 | status = gettimeofday (&Tp, NULL); |
993164ab |
879 | if (status == 0) { |
880 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
881 | } else { |
882 | RETVAL = -1.0; |
883 | } |
dcf686c9 |
884 | OUTPUT: |
885 | RETVAL |
886 | |
db835671 |
887 | # endif /* MACOS_TRADITIONAL */ |
44d3ce20 |
888 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
889 | |
3c72ec00 |
890 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
891 | |
892 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
893 | |
894 | void |
895 | setitimer(which, seconds, interval = 0) |
896 | int which |
897 | NV seconds |
898 | NV interval |
899 | PREINIT: |
900 | struct itimerval newit; |
901 | struct itimerval oldit; |
902 | PPCODE: |
f7916ddb |
903 | if (seconds < 0.0 || interval < 0.0) |
436c6dd3 |
904 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval); |
3c72ec00 |
905 | newit.it_value.tv_sec = seconds; |
906 | newit.it_value.tv_usec = |
907 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
908 | newit.it_interval.tv_sec = interval; |
909 | newit.it_interval.tv_usec = |
910 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
911 | if (setitimer(which, &newit, &oldit) == 0) { |
912 | EXTEND(sp, 1); |
913 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
914 | if (GIMME == G_ARRAY) { |
915 | EXTEND(sp, 1); |
916 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
917 | } |
918 | } |
919 | |
920 | void |
921 | getitimer(which) |
922 | int which |
923 | PREINIT: |
924 | struct itimerval nowit; |
925 | PPCODE: |
926 | if (getitimer(which, &nowit) == 0) { |
927 | EXTEND(sp, 1); |
928 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
929 | if (GIMME == G_ARRAY) { |
930 | EXTEND(sp, 1); |
931 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
932 | } |
933 | } |
934 | |
44d3ce20 |
935 | #endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */ |
936 | |
3c72ec00 |
937 | |