Commit | Line | Data |
f8daf111 |
1 | /* |
2 | * |
3 | * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved. |
4 | * |
bf8300de |
5 | * Copyright (c) 2002,2003,2004,2005,2006,2007,2008 Jarkko Hietaniemi. |
6 | * All rights reserved. |
f8daf111 |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the same terms as Perl itself. |
10 | */ |
11 | |
dcf686c9 |
12 | #ifdef __cplusplus |
13 | extern "C" { |
14 | #endif |
0225372c |
15 | #define PERL_NO_GET_CONTEXT |
dcf686c9 |
16 | #include "EXTERN.h" |
17 | #include "perl.h" |
18 | #include "XSUB.h" |
1fbb4de4 |
19 | #include "ppport.h" |
4ed0e2d4 |
20 | #if defined(__CYGWIN__) && defined(HAS_W32API_WINDOWS_H) |
21 | # include <w32api/windows.h> |
22 | # define CYGWIN_WITH_W32API |
23 | #endif |
dcf686c9 |
24 | #ifdef WIN32 |
4ed0e2d4 |
25 | # include <time.h> |
dcf686c9 |
26 | #else |
4ed0e2d4 |
27 | # include <sys/time.h> |
dcf686c9 |
28 | #endif |
36df99d6 |
29 | #ifdef HAS_SELECT |
30 | # ifdef I_SYS_SELECT |
31 | # include <sys/select.h> |
32 | # endif |
33 | #endif |
ced84e60 |
34 | #if defined(TIME_HIRES_CLOCK_GETTIME_SYSCALL) || defined(TIME_HIRES_CLOCK_GETRES_SYSCALL) |
35 | #include <syscall.h> |
36 | #endif |
dcf686c9 |
37 | #ifdef __cplusplus |
38 | } |
39 | #endif |
40 | |
bf8300de |
41 | /* At least ppport.h 3.13 gets this wrong: one really cannot |
42 | * have NVgf as anything else than "g" under Perl 5.6.x. */ |
43 | #if PERL_REVISION == 5 && PERL_VERSION == 6 |
44 | # undef NVgf |
45 | # define NVgf "g" |
46 | #endif |
47 | |
b69b1b83 |
48 | #define IV_1E6 1000000 |
49 | #define IV_1E7 10000000 |
50 | #define IV_1E9 1000000000 |
51 | |
47e797f6 |
52 | #define NV_1E6 1000000.0 |
53 | #define NV_1E7 10000000.0 |
54 | #define NV_1E9 1000000000.0 |
55 | |
1fbb4de4 |
56 | #ifndef PerlProc_pause |
57 | # define PerlProc_pause() Pause() |
3f2ee006 |
58 | #endif |
59 | |
1fbb4de4 |
60 | #ifdef HAS_PAUSE |
61 | # define Pause pause |
3f2ee006 |
62 | #else |
27da23d5 |
63 | # undef Pause /* In case perl.h did it already. */ |
64a7a97c |
64 | # define Pause() sleep(~0) /* Zzz for a long time. */ |
3f2ee006 |
65 | #endif |
66 | |
67 | /* Though the cpp define ITIMER_VIRTUAL is available the functionality |
4ed0e2d4 |
68 | * is not supported in Cygwin as of August 2004, ditto for Win32. |
3f2ee006 |
69 | * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi |
70 | */ |
71 | #if defined(__CYGWIN__) || defined(WIN32) |
72 | # undef ITIMER_VIRTUAL |
73 | # undef ITIMER_PROF |
74 | # undef ITIMER_REALPROF |
75 | #endif |
76 | |
82cbdcc3 |
77 | #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) |
78 | |
79 | /* HP-UX has CLOCK_XXX values but as enums, not as defines. |
80 | * The only way to detect these would be to test compile for each. */ |
81 | # ifdef __hpux |
bf8300de |
82 | /* However, it seems that at least in HP-UX 11.31 ia64 there *are* |
83 | * defines for these, so let's try detecting them. */ |
84 | # ifndef CLOCK_REALTIME |
85 | # define CLOCK_REALTIME CLOCK_REALTIME |
86 | # define CLOCK_VIRTUAL CLOCK_VIRTUAL |
87 | # define CLOCK_PROFILE CLOCK_PROFILE |
88 | # endif |
82cbdcc3 |
89 | # endif /* # ifdef __hpux */ |
90 | |
91 | #endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) */ |
3c72ec00 |
92 | |
4ed0e2d4 |
93 | #if defined(WIN32) || defined(CYGWIN_WITH_W32API) |
0225372c |
94 | |
95 | #ifndef HAS_GETTIMEOFDAY |
96 | # define HAS_GETTIMEOFDAY |
97 | #endif |
fd44fdfd |
98 | |
6e3b076d |
99 | /* shows up in winsock.h? |
100 | struct timeval { |
101 | long tv_sec; |
102 | long tv_usec; |
103 | } |
104 | */ |
105 | |
fd44fdfd |
106 | typedef union { |
107 | unsigned __int64 ft_i64; |
108 | FILETIME ft_val; |
109 | } FT_t; |
110 | |
0225372c |
111 | #define MY_CXT_KEY "Time::HiRes_" XS_VERSION |
112 | |
113 | typedef struct { |
114 | unsigned long run_count; |
115 | unsigned __int64 base_ticks; |
116 | unsigned __int64 tick_frequency; |
117 | FT_t base_systime_as_filetime; |
4ed0e2d4 |
118 | unsigned __int64 reset_time; |
0225372c |
119 | } my_cxt_t; |
120 | |
121 | START_MY_CXT |
122 | |
6e3b076d |
123 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
fd44fdfd |
124 | #ifdef __GNUC__ |
4ed0e2d4 |
125 | # define Const64(x) x##LL |
fd44fdfd |
126 | #else |
4ed0e2d4 |
127 | # define Const64(x) x##i64 |
fd44fdfd |
128 | #endif |
fd44fdfd |
129 | #define EPOCH_BIAS Const64(116444736000000000) |
130 | |
f445b110 |
131 | #ifdef Const64 |
132 | # ifdef __GNUC__ |
133 | # define IV_1E6LL 1000000LL /* Needed because of Const64() ##-appends LL (or i64). */ |
134 | # define IV_1E7LL 10000000LL |
135 | # define IV_1E9LL 1000000000LL |
136 | # else |
137 | # define IV_1E6i64 1000000i64 |
138 | # define IV_1E7i64 10000000i64 |
139 | # define IV_1E9i64 1000000000i64 |
140 | # endif |
141 | #endif |
142 | |
fd44fdfd |
143 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
144 | * and appears to be unsupported even by glibc) */ |
0225372c |
145 | |
146 | /* dMY_CXT needs a Perl context and we don't want to call PERL_GET_CONTEXT |
147 | for performance reasons */ |
148 | |
149 | #undef gettimeofday |
150 | #define gettimeofday(tp, not_used) _gettimeofday(aTHX_ tp, not_used) |
151 | |
d8cb5b61 |
152 | /* If the performance counter delta drifts more than 0.5 seconds from the |
153 | * system time then we recalibrate to the system time. This means we may |
c1dc6e7c |
154 | * move *backwards* in time! */ |
4ed0e2d4 |
155 | #define MAX_PERF_COUNTER_SKEW Const64(5000000) /* 0.5 seconds */ |
c1dc6e7c |
156 | |
4ed0e2d4 |
157 | /* Reset reading from the performance counter every five minutes. |
158 | * Many PC clocks just seem to be so bad. */ |
159 | #define MAX_PERF_COUNTER_TICKS Const64(300000000) /* 300 seconds */ |
c1dc6e7c |
160 | |
0225372c |
161 | static int |
162 | _gettimeofday(pTHX_ struct timeval *tp, void *not_used) |
fd44fdfd |
163 | { |
0225372c |
164 | dMY_CXT; |
165 | |
166 | unsigned __int64 ticks; |
fd44fdfd |
167 | FT_t ft; |
168 | |
4ed0e2d4 |
169 | if (MY_CXT.run_count++ == 0 || |
170 | MY_CXT.base_systime_as_filetime.ft_i64 > MY_CXT.reset_time) { |
171 | QueryPerformanceFrequency((LARGE_INTEGER*)&MY_CXT.tick_frequency); |
172 | QueryPerformanceCounter((LARGE_INTEGER*)&MY_CXT.base_ticks); |
173 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
174 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
175 | MY_CXT.reset_time = ft.ft_i64 + MAX_PERF_COUNTER_TICKS; |
176 | } |
177 | else { |
c1dc6e7c |
178 | __int64 diff; |
0225372c |
179 | QueryPerformanceCounter((LARGE_INTEGER*)&ticks); |
180 | ticks -= MY_CXT.base_ticks; |
181 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64 |
47e797f6 |
182 | + Const64(IV_1E7) * (ticks / MY_CXT.tick_frequency) |
183 | +(Const64(IV_1E7) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency; |
c1dc6e7c |
184 | diff = ft.ft_i64 - MY_CXT.base_systime_as_filetime.ft_i64; |
4ed0e2d4 |
185 | if (diff < -MAX_PERF_COUNTER_SKEW || diff > MAX_PERF_COUNTER_SKEW) { |
186 | MY_CXT.base_ticks += ticks; |
187 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
188 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
c1dc6e7c |
189 | } |
0225372c |
190 | } |
fd44fdfd |
191 | |
192 | /* seconds since epoch */ |
47e797f6 |
193 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(IV_1E7)); |
fd44fdfd |
194 | |
195 | /* microseconds remaining */ |
47e797f6 |
196 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(IV_1E6)); |
fd44fdfd |
197 | |
198 | return 0; |
199 | } |
6e3b076d |
200 | #endif |
fd44fdfd |
201 | |
0225372c |
202 | #if defined(WIN32) && !defined(ATLEASTFIVEOHOHFIVE) |
203 | static unsigned int |
204 | sleep(unsigned int t) |
205 | { |
206 | Sleep(t*1000); |
207 | return 0; |
208 | } |
209 | #endif |
210 | |
dcf686c9 |
211 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
212 | #define HAS_GETTIMEOFDAY |
213 | |
9b6f56ad |
214 | #include <lnmdef.h> |
dcf686c9 |
215 | #include <time.h> /* gettimeofday */ |
216 | #include <stdlib.h> /* qdiv */ |
217 | #include <starlet.h> /* sys$gettim */ |
218 | #include <descrip.h> |
3785778e |
219 | #ifdef __VAX |
220 | #include <lib$routines.h> /* lib$ediv() */ |
221 | #endif |
dcf686c9 |
222 | |
223 | /* |
224 | VMS binary time is expressed in 100 nano-seconds since |
225 | system base time which is 17-NOV-1858 00:00:00.00 |
226 | */ |
227 | |
228 | #define DIV_100NS_TO_SECS 10000000L |
229 | #define DIV_100NS_TO_USECS 10L |
230 | |
231 | /* |
232 | gettimeofday is supposed to return times since the epoch |
233 | so need to determine this in terms of VMS base time |
234 | */ |
235 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
236 | |
5cdb7193 |
237 | #ifdef __VAX |
3785778e |
238 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
239 | #else |
dcf686c9 |
240 | static __int64 base_adjust=0; |
5cdb7193 |
241 | #endif |
dcf686c9 |
242 | |
9b6f56ad |
243 | /* |
244 | |
245 | If we don't have gettimeofday, then likely we are on a VMS machine that |
246 | operates on local time rather than UTC...so we have to zone-adjust. |
247 | This code gleefully swiped from VMS.C |
248 | |
249 | */ |
250 | /* method used to handle UTC conversions: |
251 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
252 | */ |
253 | static int gmtime_emulation_type; |
254 | /* number of secs to add to UTC POSIX-style time to get local time */ |
255 | static long int utc_offset_secs; |
256 | static struct dsc$descriptor_s fildevdsc = |
257 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
258 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
259 | |
260 | static time_t toutc_dst(time_t loc) { |
261 | struct tm *rsltmp; |
262 | |
263 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
264 | loc -= utc_offset_secs; |
265 | if (rsltmp->tm_isdst) loc -= 3600; |
266 | return loc; |
267 | } |
268 | |
269 | static time_t toloc_dst(time_t utc) { |
270 | struct tm *rsltmp; |
271 | |
272 | utc += utc_offset_secs; |
273 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
274 | if (rsltmp->tm_isdst) utc += 3600; |
275 | return utc; |
276 | } |
277 | |
278 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
279 | ((gmtime_emulation_type || timezone_setup()), \ |
280 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
281 | ((secs) - utc_offset_secs)))) |
282 | |
283 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
284 | ((gmtime_emulation_type || timezone_setup()), \ |
285 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
286 | ((secs) + utc_offset_secs)))) |
287 | |
288 | static int |
289 | timezone_setup(void) |
290 | { |
291 | struct tm *tm_p; |
292 | |
293 | if (gmtime_emulation_type == 0) { |
294 | int dstnow; |
295 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
296 | /* results of calls to gmtime() and localtime() */ |
297 | /* for same &base */ |
298 | |
299 | gmtime_emulation_type++; |
300 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
301 | char off[LNM$C_NAMLENGTH+1];; |
302 | |
303 | gmtime_emulation_type++; |
304 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
305 | gmtime_emulation_type++; |
306 | utc_offset_secs = 0; |
307 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
308 | } |
309 | else { utc_offset_secs = atol(off); } |
310 | } |
311 | else { /* We've got a working gmtime() */ |
312 | struct tm gmt, local; |
313 | |
314 | gmt = *tm_p; |
315 | tm_p = localtime(&base); |
316 | local = *tm_p; |
317 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
318 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
319 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
320 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
321 | } |
322 | } |
323 | return 1; |
324 | } |
325 | |
326 | |
dcf686c9 |
327 | int |
328 | gettimeofday (struct timeval *tp, void *tpz) |
329 | { |
330 | long ret; |
5cdb7193 |
331 | #ifdef __VAX |
3785778e |
332 | long quad[2]; |
333 | long quad1[2]; |
334 | long div_100ns_to_secs; |
335 | long div_100ns_to_usecs; |
336 | long quo,rem; |
337 | long quo1,rem1; |
5cdb7193 |
338 | #else |
dcf686c9 |
339 | __int64 quad; |
340 | __qdiv_t ans1,ans2; |
5cdb7193 |
341 | #endif |
dcf686c9 |
342 | /* |
343 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
344 | The return from function is also set to -1. |
345 | This is not exactly as per the manual page. |
346 | */ |
347 | |
348 | tp->tv_usec = 0; |
349 | |
3785778e |
350 | #ifdef __VAX |
351 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
352 | #else |
dcf686c9 |
353 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
354 | #endif |
dcf686c9 |
355 | ret=sys$bintim(&dscepoch,&base_adjust); |
356 | if (1 != (ret &&1)) { |
357 | tp->tv_sec = ret; |
358 | return -1; |
359 | } |
360 | } |
361 | |
362 | ret=sys$gettim(&quad); /* Get VMS system time */ |
363 | if ((1 && ret) == 1) { |
5cdb7193 |
364 | #ifdef __VAX |
3785778e |
365 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
366 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
367 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
368 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
369 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
370 | quad1[0] = rem; |
371 | quad1[1] = 0L; |
372 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
373 | tp->tv_sec = quo; /* Whole seconds */ |
374 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
375 | #else |
3785778e |
376 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
377 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
378 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
379 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
380 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
381 | #endif |
dcf686c9 |
382 | } else { |
383 | tp->tv_sec = ret; |
384 | return -1; |
385 | } |
9b6f56ad |
386 | # ifdef VMSISH_TIME |
387 | # ifdef RTL_USES_UTC |
388 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
389 | # else |
390 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
391 | # endif |
392 | # endif |
dcf686c9 |
393 | return 0; |
394 | } |
395 | #endif |
396 | |
3f2ee006 |
397 | |
046e3f33 |
398 | /* Do not use H A S _ N A N O S L E E P |
70cf0185 |
399 | * so that Perl Configure doesn't scan for it (and pull in -lrt and |
400 | * the like which are not usually good ideas for the default Perl). |
e5433ad8 |
401 | * (We are part of the core perl now.) |
046e3f33 |
402 | * The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */ |
403 | #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) |
3f2ee006 |
404 | #define HAS_USLEEP |
e5620114 |
405 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
3f2ee006 |
406 | |
407 | void |
e5620114 |
408 | hrt_usleep(unsigned long usec) /* This is used to emulate usleep. */ |
3f2ee006 |
409 | { |
410 | struct timespec res; |
47e797f6 |
411 | res.tv_sec = usec / IV_1E6; |
412 | res.tv_nsec = ( usec - res.tv_sec * IV_1E6 ) * 1000; |
3f2ee006 |
413 | nanosleep(&res, NULL); |
414 | } |
3f2ee006 |
415 | |
44d3ce20 |
416 | #endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */ |
3f2ee006 |
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 |
44d3ce20 |
433 | #endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */ |
dcf686c9 |
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 | } |
44d3ce20 |
446 | #endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */ |
dcf686c9 |
447 | |
e5433ad8 |
448 | #if !defined(HAS_USLEEP) && defined(HAS_POLL) |
449 | #define HAS_USLEEP |
450 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
451 | |
452 | void |
453 | hrt_usleep(unsigned long usec) |
454 | { |
455 | int msec = usec / 1000; |
456 | poll(0, 0, msec); |
457 | } |
458 | |
459 | #endif /* #if !defined(HAS_USLEEP) && defined(HAS_POLL) */ |
dcf686c9 |
460 | |
34f69483 |
461 | #if defined(HAS_SETITIMER) && defined(ITIMER_REAL) |
bf8300de |
462 | |
463 | static int |
464 | hrt_ualarm_itimero(struct itimerval* itv, int usec, int uinterval) |
465 | { |
466 | itv->it_value.tv_sec = usec / IV_1E6; |
467 | itv->it_value.tv_usec = usec % IV_1E6; |
468 | itv->it_interval.tv_sec = uinterval / IV_1E6; |
469 | itv->it_interval.tv_usec = uinterval % IV_1E6; |
470 | return setitimer(ITIMER_REAL, itv, 0); |
471 | } |
472 | |
dcf686c9 |
473 | int |
bf8300de |
474 | hrt_ualarm_itimer(int usec, int uinterval) |
dcf686c9 |
475 | { |
bf8300de |
476 | struct itimerval itv; |
477 | return hrt_ualarm_itimero(&itv, usec, uinterval); |
dcf686c9 |
478 | } |
bf8300de |
479 | |
75d5269b |
480 | #ifdef HAS_UALARM |
481 | int |
482 | hrt_ualarm(int usec, int interval) /* for binary compat before 1.91 */ |
483 | { |
484 | return hrt_ualarm_itimer(usec, interval); |
485 | } |
486 | #endif /* #ifdef HAS_UALARM */ |
44d3ce20 |
487 | #endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */ |
dcf686c9 |
488 | |
34f69483 |
489 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
490 | #define HAS_UALARM |
491 | #define ualarm hrt_ualarm_itimer /* could conflict with ncurses for static build */ |
492 | #endif |
493 | |
ca40fe49 |
494 | #if !defined(HAS_UALARM) && defined(VMS) |
495 | #define HAS_UALARM |
496 | #define ualarm vms_ualarm |
497 | |
498 | #include <lib$routines.h> |
499 | #include <ssdef.h> |
500 | #include <starlet.h> |
501 | #include <descrip.h> |
502 | #include <signal.h> |
503 | #include <jpidef.h> |
504 | #include <psldef.h> |
505 | |
506 | #define VMSERR(s) (!((s)&1)) |
507 | |
508 | static void |
509 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
510 | { |
511 | int iss; |
512 | unsigned long qq[2]; |
513 | |
514 | qq[0] = mseconds; |
515 | qq[1] = 0; |
516 | v[0] = v[1] = 0; |
517 | |
518 | iss = lib$addx(qq,qq,qq); |
519 | if (VMSERR(iss)) lib$signal(iss); |
520 | iss = lib$subx(v,qq,v); |
521 | if (VMSERR(iss)) lib$signal(iss); |
522 | iss = lib$addx(qq,qq,qq); |
523 | if (VMSERR(iss)) lib$signal(iss); |
524 | iss = lib$subx(v,qq,v); |
525 | if (VMSERR(iss)) lib$signal(iss); |
526 | iss = lib$subx(v,qq,v); |
527 | if (VMSERR(iss)) lib$signal(iss); |
528 | } |
529 | |
530 | static int |
531 | VMS_to_us(unsigned long v[]) |
532 | { |
533 | int iss; |
534 | unsigned long div=10,quot, rem; |
535 | |
536 | iss = lib$ediv(&div,v,",&rem); |
537 | if (VMSERR(iss)) lib$signal(iss); |
538 | |
539 | return quot; |
540 | } |
541 | |
542 | typedef unsigned short word; |
543 | typedef struct _ualarm { |
544 | int function; |
545 | int repeat; |
546 | unsigned long delay[2]; |
547 | unsigned long interval[2]; |
548 | unsigned long remain[2]; |
549 | } Alarm; |
550 | |
551 | |
552 | static int alarm_ef; |
553 | static Alarm *a0, alarm_base; |
554 | #define UAL_NULL 0 |
555 | #define UAL_SET 1 |
556 | #define UAL_CLEAR 2 |
557 | #define UAL_ACTIVE 4 |
558 | static void ualarm_AST(Alarm *a); |
559 | |
560 | static int |
561 | vms_ualarm(int mseconds, int interval) |
562 | { |
563 | Alarm *a, abase; |
564 | struct item_list3 { |
565 | word length; |
566 | word code; |
567 | void *bufaddr; |
568 | void *retlenaddr; |
569 | } ; |
570 | static struct item_list3 itmlst[2]; |
571 | static int first = 1; |
572 | unsigned long asten; |
573 | int iss, enabled; |
574 | |
575 | if (first) { |
576 | first = 0; |
577 | itmlst[0].code = JPI$_ASTEN; |
578 | itmlst[0].length = sizeof(asten); |
579 | itmlst[0].retlenaddr = NULL; |
580 | itmlst[1].code = 0; |
581 | itmlst[1].length = 0; |
582 | itmlst[1].bufaddr = NULL; |
583 | itmlst[1].retlenaddr = NULL; |
584 | |
585 | iss = lib$get_ef(&alarm_ef); |
586 | if (VMSERR(iss)) lib$signal(iss); |
587 | |
588 | a0 = &alarm_base; |
589 | a0->function = UAL_NULL; |
590 | } |
591 | itmlst[0].bufaddr = &asten; |
592 | |
593 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
594 | if (VMSERR(iss)) lib$signal(iss); |
595 | if (!(asten&0x08)) return -1; |
596 | |
597 | a = &abase; |
598 | if (mseconds) { |
599 | a->function = UAL_SET; |
600 | } else { |
601 | a->function = UAL_CLEAR; |
602 | } |
603 | |
604 | us_to_VMS(mseconds, a->delay); |
605 | if (interval) { |
606 | us_to_VMS(interval, a->interval); |
607 | a->repeat = 1; |
608 | } else |
609 | a->repeat = 0; |
610 | |
611 | iss = sys$clref(alarm_ef); |
612 | if (VMSERR(iss)) lib$signal(iss); |
613 | |
614 | iss = sys$dclast(ualarm_AST,a,0); |
615 | if (VMSERR(iss)) lib$signal(iss); |
616 | |
617 | iss = sys$waitfr(alarm_ef); |
618 | if (VMSERR(iss)) lib$signal(iss); |
619 | |
620 | if (a->function == UAL_ACTIVE) |
621 | return VMS_to_us(a->remain); |
622 | else |
623 | return 0; |
624 | } |
625 | |
626 | |
627 | |
628 | static void |
629 | ualarm_AST(Alarm *a) |
630 | { |
631 | int iss; |
632 | unsigned long now[2]; |
633 | |
634 | iss = sys$gettim(now); |
635 | if (VMSERR(iss)) lib$signal(iss); |
636 | |
637 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
638 | if (a0->function == UAL_ACTIVE) { |
639 | iss = sys$cantim(a0,PSL$C_USER); |
640 | if (VMSERR(iss)) lib$signal(iss); |
641 | |
642 | iss = lib$subx(a0->remain, now, a->remain); |
643 | if (VMSERR(iss)) lib$signal(iss); |
644 | |
645 | if (a->remain[1] & 0x80000000) |
646 | a->remain[0] = a->remain[1] = 0; |
647 | } |
648 | |
649 | if (a->function == UAL_SET) { |
650 | a->function = a0->function; |
651 | a0->function = UAL_ACTIVE; |
652 | a0->repeat = a->repeat; |
653 | if (a0->repeat) { |
654 | a0->interval[0] = a->interval[0]; |
655 | a0->interval[1] = a->interval[1]; |
656 | } |
657 | a0->delay[0] = a->delay[0]; |
658 | a0->delay[1] = a->delay[1]; |
659 | |
660 | iss = lib$subx(now, a0->delay, a0->remain); |
661 | if (VMSERR(iss)) lib$signal(iss); |
662 | |
663 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
664 | if (VMSERR(iss)) lib$signal(iss); |
665 | } else { |
666 | a->function = a0->function; |
667 | a0->function = UAL_NULL; |
668 | } |
669 | iss = sys$setef(alarm_ef); |
670 | if (VMSERR(iss)) lib$signal(iss); |
671 | } else if (a->function == UAL_ACTIVE) { |
672 | if (a->repeat) { |
673 | iss = lib$subx(now, a->interval, a->remain); |
674 | if (VMSERR(iss)) lib$signal(iss); |
675 | |
676 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
677 | if (VMSERR(iss)) lib$signal(iss); |
678 | } else { |
679 | a->function = UAL_NULL; |
680 | } |
681 | iss = sys$wake(0,0); |
682 | if (VMSERR(iss)) lib$signal(iss); |
683 | lib$signal(SS$_ASTFLT); |
684 | } else { |
685 | lib$signal(SS$_BADPARAM); |
686 | } |
687 | } |
688 | |
44d3ce20 |
689 | #endif /* #if !defined(HAS_UALARM) && defined(VMS) */ |
ca40fe49 |
690 | |
dcf686c9 |
691 | #ifdef HAS_GETTIMEOFDAY |
692 | |
a2e20b18 |
693 | static int |
0225372c |
694 | myU2time(pTHX_ UV *ret) |
dcf686c9 |
695 | { |
696 | struct timeval Tp; |
697 | int status; |
6e3b076d |
698 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
699 | ret[0] = Tp.tv_sec; |
700 | ret[1] = Tp.tv_usec; |
a2e20b18 |
701 | return status; |
dcf686c9 |
702 | } |
703 | |
3c72ec00 |
704 | static NV |
dcf686c9 |
705 | myNVtime() |
706 | { |
0225372c |
707 | #ifdef WIN32 |
4ed0e2d4 |
708 | dTHX; |
0225372c |
709 | #endif |
dcf686c9 |
710 | struct timeval Tp; |
711 | int status; |
6e3b076d |
712 | status = gettimeofday (&Tp, NULL); |
47e797f6 |
713 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / NV_1E6) : -1.0; |
dcf686c9 |
714 | } |
715 | |
44d3ce20 |
716 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
717 | |
75d5269b |
718 | static void |
719 | hrstatns(UV atime, UV mtime, UV ctime, UV *atime_nsec, UV *mtime_nsec, UV *ctime_nsec) |
720 | { |
9e000d5b |
721 | dTHXR; |
75d5269b |
722 | *atime_nsec = 0; |
723 | *mtime_nsec = 0; |
724 | *ctime_nsec = 0; |
725 | #ifdef TIME_HIRES_STAT |
726 | #if TIME_HIRES_STAT == 1 |
727 | *atime_nsec = PL_statcache.st_atimespec.tv_nsec; |
728 | *mtime_nsec = PL_statcache.st_mtimespec.tv_nsec; |
729 | *ctime_nsec = PL_statcache.st_ctimespec.tv_nsec; |
730 | #endif |
731 | #if TIME_HIRES_STAT == 2 |
732 | *atime_nsec = PL_statcache.st_atimensec; |
733 | *mtime_nsec = PL_statcache.st_mtimensec; |
734 | *ctime_nsec = PL_statcache.st_ctimensec; |
735 | #endif |
736 | #if TIME_HIRES_STAT == 3 |
737 | *atime_nsec = PL_statcache.st_atime_n; |
738 | *mtime_nsec = PL_statcache.st_mtime_n; |
739 | *ctime_nsec = PL_statcache.st_ctime_n; |
740 | #endif |
741 | #if TIME_HIRES_STAT == 4 |
742 | *atime_nsec = PL_statcache.st_atim.tv_nsec; |
743 | *mtime_nsec = PL_statcache.st_mtim.tv_nsec; |
744 | *ctime_nsec = PL_statcache.st_ctim.tv_nsec; |
745 | #endif |
746 | #if TIME_HIRES_STAT == 5 |
747 | *atime_nsec = PL_statcache.st_uatime * 1000; |
748 | *mtime_nsec = PL_statcache.st_umtime * 1000; |
749 | *ctime_nsec = PL_statcache.st_uctime * 1000; |
750 | #endif |
751 | #endif |
752 | } |
753 | |
82cbdcc3 |
754 | #include "const-c.inc" |
755 | |
dcf686c9 |
756 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
757 | |
758 | PROTOTYPES: ENABLE |
759 | |
760 | BOOT: |
0225372c |
761 | { |
762 | #ifdef MY_CXT_KEY |
763 | MY_CXT_INIT; |
764 | #endif |
3f2ee006 |
765 | #ifdef ATLEASTFIVEOHOHFIVE |
9e000d5b |
766 | # ifdef HAS_GETTIMEOFDAY |
0225372c |
767 | { |
0225372c |
768 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
06252d99 |
769 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0); |
0225372c |
770 | } |
9e000d5b |
771 | # endif |
dcf686c9 |
772 | #endif |
0225372c |
773 | } |
774 | |
775 | #if defined(USE_ITHREADS) && defined(MY_CXT_KEY) |
776 | |
777 | void |
778 | CLONE(...) |
779 | CODE: |
780 | MY_CXT_CLONE; |
781 | |
3f2ee006 |
782 | #endif |
dcf686c9 |
783 | |
98b50af3 |
784 | INCLUDE: const-xs.inc |
3c72ec00 |
785 | |
52d72fba |
786 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
787 | |
92bc48ca |
788 | NV |
dcf686c9 |
789 | usleep(useconds) |
92bc48ca |
790 | NV useconds |
52d72fba |
791 | PREINIT: |
792 | struct timeval Ta, Tb; |
793 | CODE: |
6e3b076d |
794 | gettimeofday(&Ta, NULL); |
52d72fba |
795 | if (items > 0) { |
92bc48ca |
796 | if (useconds > 1E6) { |
797 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
798 | /* If usleep() has been implemented using setitimer() |
799 | * then this contortion is unnecessary-- but usleep() |
800 | * may be implemented in some other way, so let's contort. */ |
801 | if (seconds) { |
802 | sleep(seconds); |
803 | useconds -= 1E6 * seconds; |
804 | } |
805 | } else if (useconds < 0.0) |
806 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
9a2ac92c |
807 | usleep((U32)useconds); |
52d72fba |
808 | } else |
809 | PerlProc_pause(); |
6e3b076d |
810 | gettimeofday(&Tb, NULL); |
92bc48ca |
811 | #if 0 |
812 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
813 | #endif |
814 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
815 | |
52d72fba |
816 | OUTPUT: |
817 | RETVAL |
818 | |
44d3ce20 |
819 | #if defined(TIME_HIRES_NANOSLEEP) |
820 | |
821 | NV |
170c5524 |
822 | nanosleep(nsec) |
823 | NV nsec |
44d3ce20 |
824 | PREINIT: |
a8fb48f7 |
825 | struct timespec sleepfor, unslept; |
44d3ce20 |
826 | CODE: |
a8fb48f7 |
827 | if (nsec < 0.0) |
828 | croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nsec); |
22149ad2 |
829 | sleepfor.tv_sec = (Time_t)(nsec / 1e9); |
830 | sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9); |
a8fb48f7 |
831 | if (!nanosleep(&sleepfor, &unslept)) { |
832 | RETVAL = nsec; |
170c5524 |
833 | } else { |
a8fb48f7 |
834 | sleepfor.tv_sec -= unslept.tv_sec; |
835 | sleepfor.tv_nsec -= unslept.tv_nsec; |
836 | if (sleepfor.tv_nsec < 0) { |
837 | sleepfor.tv_sec--; |
838 | sleepfor.tv_nsec += 1000000000; |
839 | } |
840 | RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec); |
170c5524 |
841 | } |
a8fb48f7 |
842 | OUTPUT: |
44d3ce20 |
843 | RETVAL |
844 | |
ced84e60 |
845 | #else /* #if defined(TIME_HIRES_NANOSLEEP) */ |
846 | |
847 | NV |
170c5524 |
848 | nanosleep(nsec) |
849 | NV nsec |
ced84e60 |
850 | CODE: |
851 | croak("Time::HiRes::nanosleep(): unimplemented in this platform"); |
852 | RETVAL = 0.0; |
853 | |
44d3ce20 |
854 | #endif /* #if defined(TIME_HIRES_NANOSLEEP) */ |
855 | |
52d72fba |
856 | NV |
f9d00e57 |
857 | sleep(...) |
52d72fba |
858 | PREINIT: |
859 | struct timeval Ta, Tb; |
dcf686c9 |
860 | CODE: |
6e3b076d |
861 | gettimeofday(&Ta, NULL); |
92bc48ca |
862 | if (items > 0) { |
863 | NV seconds = SvNV(ST(0)); |
f7916ddb |
864 | if (seconds >= 0.0) { |
7c436af3 |
865 | UV useconds = (UV)(1E6 * (seconds - (UV)seconds)); |
4880edd6 |
866 | if (seconds >= 1.0) |
9a2ac92c |
867 | sleep((U32)seconds); |
db0b859f |
868 | if ((IV)useconds < 0) { |
869 | #if defined(__sparc64__) && defined(__GNUC__) |
870 | /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug |
871 | * where (0.5 - (UV)(0.5)) will under certain |
872 | * circumstances (if the double is cast to UV more |
873 | * than once?) evaluate to -0.5, instead of 0.5. */ |
874 | useconds = -(IV)useconds; |
44d3ce20 |
875 | #endif /* #if defined(__sparc64__) && defined(__GNUC__) */ |
db0b859f |
876 | if ((IV)useconds < 0) |
877 | croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds); |
878 | } |
f7916ddb |
879 | usleep(useconds); |
880 | } else |
881 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
882 | } else |
f9d00e57 |
883 | PerlProc_pause(); |
6e3b076d |
884 | gettimeofday(&Tb, NULL); |
92bc48ca |
885 | #if 0 |
886 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
887 | #endif |
52d72fba |
888 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
889 | |
890 | OUTPUT: |
891 | RETVAL |
dcf686c9 |
892 | |
ced84e60 |
893 | #else /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */ |
894 | |
895 | NV |
896 | usleep(useconds) |
897 | NV useconds |
898 | CODE: |
899 | croak("Time::HiRes::usleep(): unimplemented in this platform"); |
900 | RETVAL = 0.0; |
901 | |
44d3ce20 |
902 | #endif /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */ |
dcf686c9 |
903 | |
904 | #ifdef HAS_UALARM |
905 | |
bf8300de |
906 | IV |
907 | ualarm(useconds,uinterval=0) |
dcf686c9 |
908 | int useconds |
bf8300de |
909 | int uinterval |
f7916ddb |
910 | CODE: |
bf8300de |
911 | if (useconds < 0 || uinterval < 0) |
912 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, uinterval); |
34f69483 |
913 | #if defined(HAS_SETITIMER) && defined(ITIMER_REAL) |
bf8300de |
914 | { |
915 | struct itimerval itv; |
916 | if (hrt_ualarm_itimero(&itv, useconds, uinterval)) { |
917 | RETVAL = itv.it_value.tv_sec + IV_1E6 * itv.it_value.tv_usec; |
918 | } else { |
919 | RETVAL = 0; |
920 | } |
921 | } |
34f69483 |
922 | #else |
e5620114 |
923 | if (useconds >= IV_1E6 || uinterval >= IV_1E6) |
bf8300de |
924 | croak("Time::HiRes::ualarm(%d, %d): useconds or uinterval equal to or more than %"IVdf, useconds, uinterval, IV_1E6); |
e5620114 |
925 | RETVAL = ualarm(useconds, uinterval); |
34f69483 |
926 | #endif |
dcf686c9 |
927 | |
f7916ddb |
928 | OUTPUT: |
929 | RETVAL |
930 | |
931 | NV |
932 | alarm(seconds,interval=0) |
933 | NV seconds |
934 | NV interval |
dcf686c9 |
935 | CODE: |
f7916ddb |
936 | if (seconds < 0.0 || interval < 0.0) |
937 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
bf8300de |
938 | { |
939 | IV useconds = IV_1E6 * seconds; |
940 | IV uinterval = IV_1E6 * interval; |
bf8300de |
941 | #if defined(HAS_SETITIMER) && defined(ITIMER_REAL) |
942 | { |
943 | struct itimerval itv; |
944 | if (hrt_ualarm_itimero(&itv, useconds, uinterval)) { |
945 | RETVAL = (NV)itv.it_value.tv_sec + (NV)itv.it_value.tv_usec / NV_1E6; |
946 | } else { |
947 | RETVAL = 0; |
948 | } |
949 | } |
950 | #else |
e5620114 |
951 | if (useconds >= IV_1E6 || uinterval >= IV_1E6) |
952 | croak("Time::HiRes::alarm(%d, %d): seconds or interval equal to or more than 1.0 ", useconds, uinterval, IV_1E6); |
953 | RETVAL = (NV)ualarm( useconds, uinterval ) / NV_1E6; |
bf8300de |
954 | #endif |
955 | } |
dcf686c9 |
956 | |
c6c619a9 |
957 | OUTPUT: |
958 | RETVAL |
959 | |
ced84e60 |
960 | #else |
961 | |
962 | int |
963 | ualarm(useconds,interval=0) |
964 | int useconds |
965 | int interval |
966 | CODE: |
967 | croak("Time::HiRes::ualarm(): unimplemented in this platform"); |
968 | RETVAL = -1; |
969 | |
970 | NV |
971 | alarm(seconds,interval=0) |
972 | NV seconds |
973 | NV interval |
974 | CODE: |
975 | croak("Time::HiRes::alarm(): unimplemented in this platform"); |
976 | RETVAL = 0.0; |
977 | |
44d3ce20 |
978 | #endif /* #ifdef HAS_UALARM */ |
dcf686c9 |
979 | |
980 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
981 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
982 | void |
983 | gettimeofday() |
984 | PREINIT: |
985 | struct timeval Tp; |
986 | struct timezone Tz; |
987 | PPCODE: |
988 | int status; |
6e3b076d |
989 | status = gettimeofday (&Tp, &Tz); |
db835671 |
990 | |
993164ab |
991 | if (status == 0) { |
992 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
993 | if (GIMME == G_ARRAY) { |
994 | EXTEND(sp, 2); |
995 | /* Mac OS (Classic) has unsigned time_t */ |
996 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
997 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
998 | } else { |
999 | EXTEND(sp, 1); |
47e797f6 |
1000 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6)))); |
993164ab |
1001 | } |
db835671 |
1002 | } |
1003 | |
1004 | NV |
1005 | time() |
1006 | PREINIT: |
1007 | struct timeval Tp; |
1008 | struct timezone Tz; |
1009 | CODE: |
1010 | int status; |
6e3b076d |
1011 | status = gettimeofday (&Tp, &Tz); |
993164ab |
1012 | if (status == 0) { |
1013 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
47e797f6 |
1014 | RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6); |
993164ab |
1015 | } else { |
1016 | RETVAL = -1.0; |
1017 | } |
db835671 |
1018 | OUTPUT: |
1019 | RETVAL |
dcf686c9 |
1020 | |
db835671 |
1021 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
1022 | void |
1023 | gettimeofday() |
1024 | PREINIT: |
1025 | struct timeval Tp; |
1026 | PPCODE: |
1027 | int status; |
6e3b076d |
1028 | status = gettimeofday (&Tp, NULL); |
993164ab |
1029 | if (status == 0) { |
1030 | if (GIMME == G_ARRAY) { |
1031 | EXTEND(sp, 2); |
1032 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
1033 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
1034 | } else { |
1035 | EXTEND(sp, 1); |
47e797f6 |
1036 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6)))); |
993164ab |
1037 | } |
dcf686c9 |
1038 | } |
1039 | |
3c72ec00 |
1040 | NV |
dcf686c9 |
1041 | time() |
1042 | PREINIT: |
1043 | struct timeval Tp; |
1044 | CODE: |
1045 | int status; |
6e3b076d |
1046 | status = gettimeofday (&Tp, NULL); |
993164ab |
1047 | if (status == 0) { |
47e797f6 |
1048 | RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6); |
993164ab |
1049 | } else { |
1050 | RETVAL = -1.0; |
1051 | } |
dcf686c9 |
1052 | OUTPUT: |
1053 | RETVAL |
1054 | |
db835671 |
1055 | # endif /* MACOS_TRADITIONAL */ |
44d3ce20 |
1056 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
1057 | |
3c72ec00 |
1058 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
1059 | |
1060 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
1061 | |
1062 | void |
1063 | setitimer(which, seconds, interval = 0) |
1064 | int which |
1065 | NV seconds |
1066 | NV interval |
1067 | PREINIT: |
1068 | struct itimerval newit; |
1069 | struct itimerval oldit; |
1070 | PPCODE: |
f7916ddb |
1071 | if (seconds < 0.0 || interval < 0.0) |
436c6dd3 |
1072 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval); |
47e797f6 |
1073 | newit.it_value.tv_sec = (IV)seconds; |
3c72ec00 |
1074 | newit.it_value.tv_usec = |
47e797f6 |
1075 | (IV)((seconds - (NV)newit.it_value.tv_sec) * NV_1E6); |
1076 | newit.it_interval.tv_sec = (IV)interval; |
3c72ec00 |
1077 | newit.it_interval.tv_usec = |
47e797f6 |
1078 | (IV)((interval - (NV)newit.it_interval.tv_sec) * NV_1E6); |
3c72ec00 |
1079 | if (setitimer(which, &newit, &oldit) == 0) { |
1080 | EXTEND(sp, 1); |
1081 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
1082 | if (GIMME == G_ARRAY) { |
1083 | EXTEND(sp, 1); |
1084 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
1085 | } |
1086 | } |
1087 | |
1088 | void |
1089 | getitimer(which) |
1090 | int which |
1091 | PREINIT: |
1092 | struct itimerval nowit; |
1093 | PPCODE: |
1094 | if (getitimer(which, &nowit) == 0) { |
1095 | EXTEND(sp, 1); |
1096 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
1097 | if (GIMME == G_ARRAY) { |
1098 | EXTEND(sp, 1); |
1099 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
1100 | } |
1101 | } |
1102 | |
44d3ce20 |
1103 | #endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */ |
1104 | |
ced84e60 |
1105 | #if defined(TIME_HIRES_CLOCK_GETTIME) |
1106 | |
1107 | NV |
1108 | clock_gettime(clock_id = CLOCK_REALTIME) |
1109 | int clock_id |
1110 | PREINIT: |
1111 | struct timespec ts; |
1112 | int status = -1; |
1113 | CODE: |
1114 | #ifdef TIME_HIRES_CLOCK_GETTIME_SYSCALL |
1115 | status = syscall(SYS_clock_gettime, clock_id, &ts); |
1116 | #else |
1117 | status = clock_gettime(clock_id, &ts); |
1118 | #endif |
1119 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; |
1120 | |
1121 | OUTPUT: |
1122 | RETVAL |
1123 | |
1124 | #else /* if defined(TIME_HIRES_CLOCK_GETTIME) */ |
1125 | |
1126 | NV |
1127 | clock_gettime(clock_id = 0) |
1128 | int clock_id |
1129 | CODE: |
1130 | croak("Time::HiRes::clock_gettime(): unimplemented in this platform"); |
1131 | RETVAL = 0.0; |
1132 | |
1133 | #endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) */ |
1134 | |
1135 | #if defined(TIME_HIRES_CLOCK_GETRES) |
1136 | |
1137 | NV |
1138 | clock_getres(clock_id = CLOCK_REALTIME) |
1139 | int clock_id |
1140 | PREINIT: |
1141 | int status = -1; |
1142 | struct timespec ts; |
1143 | CODE: |
1144 | #ifdef TIME_HIRES_CLOCK_GETRES_SYSCALL |
1145 | status = syscall(SYS_clock_getres, clock_id, &ts); |
1146 | #else |
1147 | status = clock_getres(clock_id, &ts); |
1148 | #endif |
1149 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; |
1150 | |
1151 | OUTPUT: |
1152 | RETVAL |
1153 | |
1154 | #else /* if defined(TIME_HIRES_CLOCK_GETRES) */ |
1155 | |
1156 | NV |
1157 | clock_getres(clock_id = 0) |
1158 | int clock_id |
1159 | CODE: |
1160 | croak("Time::HiRes::clock_getres(): unimplemented in this platform"); |
1161 | RETVAL = 0.0; |
1162 | |
1163 | #endif /* #if defined(TIME_HIRES_CLOCK_GETRES) */ |
1164 | |
170c5524 |
1165 | #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) |
1166 | |
1167 | NV |
a8fb48f7 |
1168 | clock_nanosleep(clock_id, nsec, flags = 0) |
170c5524 |
1169 | int clock_id |
a8fb48f7 |
1170 | NV nsec |
170c5524 |
1171 | int flags |
1172 | PREINIT: |
a8fb48f7 |
1173 | struct timespec sleepfor, unslept; |
170c5524 |
1174 | CODE: |
a8fb48f7 |
1175 | if (nsec < 0.0) |
1176 | croak("Time::HiRes::clock_nanosleep(..., %"NVgf"): negative time not invented yet", nsec); |
22149ad2 |
1177 | sleepfor.tv_sec = (Time_t)(nsec / 1e9); |
1178 | sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9); |
a8fb48f7 |
1179 | if (!clock_nanosleep(clock_id, flags, &sleepfor, &unslept)) { |
1180 | RETVAL = nsec; |
170c5524 |
1181 | } else { |
a8fb48f7 |
1182 | sleepfor.tv_sec -= unslept.tv_sec; |
1183 | sleepfor.tv_nsec -= unslept.tv_nsec; |
1184 | if (sleepfor.tv_nsec < 0) { |
1185 | sleepfor.tv_sec--; |
1186 | sleepfor.tv_nsec += 1000000000; |
1187 | } |
1188 | RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec); |
170c5524 |
1189 | } |
170c5524 |
1190 | OUTPUT: |
1191 | RETVAL |
1192 | |
1193 | #else /* if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */ |
1194 | |
1195 | NV |
1196 | clock_nanosleep() |
1197 | CODE: |
1198 | croak("Time::HiRes::clock_nanosleep(): unimplemented in this platform"); |
1199 | RETVAL = 0.0; |
1200 | |
1201 | #endif /* #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */ |
1202 | |
1203 | #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) |
1204 | |
1205 | NV |
1206 | clock() |
1207 | PREINIT: |
1208 | clock_t clocks; |
1209 | CODE: |
1210 | clocks = clock(); |
1211 | RETVAL = clocks == -1 ? -1 : (NV)clocks / (NV)CLOCKS_PER_SEC; |
1212 | |
1213 | OUTPUT: |
1214 | RETVAL |
1215 | |
1216 | #else /* if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */ |
1217 | |
1218 | NV |
1219 | clock() |
1220 | CODE: |
1221 | croak("Time::HiRes::clock(): unimplemented in this platform"); |
1222 | RETVAL = 0.0; |
1223 | |
1224 | #endif /* #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */ |
1225 | |
86413ec0 |
1226 | void |
75d5269b |
1227 | stat(...) |
1228 | PROTOTYPE: ;$ |
1229 | PPCODE: |
1230 | PUSHMARK(SP); |
1231 | XPUSHs(sv_2mortal(newSVsv(items == 1 ? ST(0) : DEFSV))); |
1232 | PUTBACK; |
1233 | ENTER; |
1234 | PL_laststatval = -1; |
9e000d5b |
1235 | (void)*(PL_ppaddr[OP_STAT])(aTHXR); |
75d5269b |
1236 | SPAGAIN; |
1237 | LEAVE; |
1238 | if (PL_laststatval == 0) { |
71ac5476 |
1239 | /* We assume that pp_stat() left us with 13 valid stack items, |
1240 | * and that the timestamps are at offsets 8, 9, and 10. */ |
75d5269b |
1241 | UV atime = SvUV(ST( 8)); |
1242 | UV mtime = SvUV(ST( 9)); |
1243 | UV ctime = SvUV(ST(10)); |
1244 | UV atime_nsec; |
1245 | UV mtime_nsec; |
1246 | UV ctime_nsec; |
1247 | hrstatns(atime, mtime, ctime, |
1248 | &atime_nsec, &mtime_nsec, &ctime_nsec); |
1249 | if (atime_nsec) |
1250 | ST( 8) = sv_2mortal(newSVnv(atime + 1e-9 * (NV) atime_nsec)); |
1251 | if (mtime_nsec) |
1252 | ST( 9) = sv_2mortal(newSVnv(mtime + 1e-9 * (NV) mtime_nsec)); |
1253 | if (ctime_nsec) |
1254 | ST(10) = sv_2mortal(newSVnv(ctime + 1e-9 * (NV) ctime_nsec)); |
1255 | XSRETURN(13); |
1256 | } |
1257 | XSRETURN(0); |