Commit | Line | Data |
---|---|---|
f8daf111 RGS |
1 | /* |
2 | * | |
3 | * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved. | |
4 | * | |
68c5b4db | 5 | * Copyright (c) 2002-2010 Jarkko Hietaniemi. |
bf8300de | 6 | * All rights reserved. |
f8daf111 RGS |
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 JH |
12 | #ifdef __cplusplus |
13 | extern "C" { | |
14 | #endif | |
0225372c | 15 | #define PERL_NO_GET_CONTEXT |
dcf686c9 JH |
16 | #include "EXTERN.h" |
17 | #include "perl.h" | |
18 | #include "XSUB.h" | |
1fbb4de4 | 19 | #include "ppport.h" |
4ed0e2d4 RGS |
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 PG |
29 | #ifdef HAS_SELECT |
30 | # ifdef I_SYS_SELECT | |
31 | # include <sys/select.h> | |
32 | # endif | |
33 | #endif | |
ced84e60 SP |
34 | #if defined(TIME_HIRES_CLOCK_GETTIME_SYSCALL) || defined(TIME_HIRES_CLOCK_GETRES_SYSCALL) |
35 | #include <syscall.h> | |
36 | #endif | |
dcf686c9 JH |
37 | #ifdef __cplusplus |
38 | } | |
39 | #endif | |
40 | ||
bf8300de RGS |
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 SP |
48 | #define IV_1E6 1000000 |
49 | #define IV_1E7 10000000 | |
50 | #define IV_1E9 1000000000 | |
51 | ||
47e797f6 SP |
52 | #define NV_1E6 1000000.0 |
53 | #define NV_1E7 10000000.0 | |
54 | #define NV_1E9 1000000000.0 | |
55 | ||
1fbb4de4 RGS |
56 | #ifndef PerlProc_pause |
57 | # define PerlProc_pause() Pause() | |
3f2ee006 HS |
58 | #endif |
59 | ||
1fbb4de4 RGS |
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 HS |
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 HS |
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 SP |
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 RGS |
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 SP |
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 RGS |
94 | |
95 | #ifndef HAS_GETTIMEOFDAY | |
96 | # define HAS_GETTIMEOFDAY | |
97 | #endif | |
fd44fdfd | 98 | |
6e3b076d JH |
99 | /* shows up in winsock.h? |
100 | struct timeval { | |
101 | long tv_sec; | |
102 | long tv_usec; | |
103 | } | |
104 | */ | |
105 | ||
fd44fdfd JH |
106 | typedef union { |
107 | unsigned __int64 ft_i64; | |
108 | FILETIME ft_val; | |
109 | } FT_t; | |
110 | ||
0225372c RGS |
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 RGS |
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 JH |
129 | #define EPOCH_BIAS Const64(116444736000000000) |
130 | ||
f445b110 SP |
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 JH |
143 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
144 | * and appears to be unsupported even by glibc) */ | |
0225372c RGS |
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 RGS |
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 RGS |
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 RGS |
161 | static int |
162 | _gettimeofday(pTHX_ struct timeval *tp, void *not_used) | |
fd44fdfd | 163 | { |
0225372c RGS |
164 | dMY_CXT; |
165 | ||
166 | unsigned __int64 ticks; | |
fd44fdfd JH |
167 | FT_t ft; |
168 | ||
4ed0e2d4 RGS |
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 RGS |
179 | QueryPerformanceCounter((LARGE_INTEGER*)&ticks); |
180 | ticks -= MY_CXT.base_ticks; | |
181 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64 | |
47e797f6 SP |
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 RGS |
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 JH |
191 | |
192 | /* seconds since epoch */ | |
47e797f6 | 193 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(IV_1E7)); |
fd44fdfd JH |
194 | |
195 | /* microseconds remaining */ | |
47e797f6 | 196 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(IV_1E6)); |
fd44fdfd JH |
197 | |
198 | return 0; | |
199 | } | |
6e3b076d | 200 | #endif |
fd44fdfd | 201 | |
0225372c RGS |
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 JH |
211 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
212 | #define HAS_GETTIMEOFDAY | |
213 | ||
9b6f56ad | 214 | #include <lnmdef.h> |
dcf686c9 JH |
215 | #include <time.h> /* gettimeofday */ |
216 | #include <stdlib.h> /* qdiv */ | |
217 | #include <starlet.h> /* sys$gettim */ | |
218 | #include <descrip.h> | |
3785778e PP |
219 | #ifdef __VAX |
220 | #include <lib$routines.h> /* lib$ediv() */ | |
221 | #endif | |
dcf686c9 JH |
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 $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); | |
236 | ||
5cdb7193 | 237 | #ifdef __VAX |
3785778e | 238 | static long base_adjust[2]={0L,0L}; |
5cdb7193 | 239 | #else |
dcf686c9 | 240 | static __int64 base_adjust=0; |
5cdb7193 | 241 | #endif |
dcf686c9 | 242 | |
9b6f56ad CL |
243 | /* |
244 | ||
245 | If we don't have gettimeofday, then likely we are on a VMS machine that | |
246 | operates on local time rather than UTC...so we have to zone-adjust. | |
247 | This code gleefully swiped from VMS.C | |
248 | ||
249 | */ | |
250 | /* method used to handle UTC conversions: | |
251 | * 1 == CRTL gmtime(); 2 == SYS$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$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { | |
305 | gmtime_emulation_type++; | |
306 | utc_offset_secs = 0; | |
307 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); | |
308 | } | |
309 | else { utc_offset_secs = atol(off); } | |
310 | } | |
311 | else { /* We've got a working gmtime() */ | |
312 | struct tm gmt, local; | |
313 | ||
314 | gmt = *tm_p; | |
315 | tm_p = localtime(&base); | |
316 | local = *tm_p; | |
317 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; | |
318 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; | |
319 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; | |
320 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); | |
321 | } | |
322 | } | |
323 | return 1; | |
324 | } | |
325 | ||
326 | ||
dcf686c9 JH |
327 | int |
328 | gettimeofday (struct timeval *tp, void *tpz) | |
329 | { | |
330 | long ret; | |
5cdb7193 | 331 | #ifdef __VAX |
3785778e PP |
332 | long quad[2]; |
333 | long quad1[2]; | |
334 | long div_100ns_to_secs; | |
335 | long div_100ns_to_usecs; | |
336 | long quo,rem; | |
337 | long quo1,rem1; | |
5cdb7193 | 338 | #else |
dcf686c9 JH |
339 | __int64 quad; |
340 | __qdiv_t ans1,ans2; | |
5cdb7193 | 341 | #endif |
dcf686c9 JH |
342 | /* |
343 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. | |
344 | The return from function is also set to -1. | |
345 | This is not exactly as per the manual page. | |
346 | */ | |
347 | ||
348 | tp->tv_usec = 0; | |
349 | ||
3785778e PP |
350 | #ifdef __VAX |
351 | if (base_adjust[0]==0 && base_adjust[1]==0) { | |
352 | #else | |
dcf686c9 | 353 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e | 354 | #endif |
dcf686c9 JH |
355 | ret=sys$bintim(&dscepoch,&base_adjust); |
356 | if (1 != (ret &&1)) { | |
357 | tp->tv_sec = ret; | |
358 | return -1; | |
359 | } | |
360 | } | |
361 | ||
362 | ret=sys$gettim(&quad); /* Get VMS system time */ | |
363 | if ((1 && ret) == 1) { | |
5cdb7193 | 364 | #ifdef __VAX |
3785778e PP |
365 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
366 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ | |
367 | div_100ns_to_secs = DIV_100NS_TO_SECS; | |
368 | div_100ns_to_usecs = DIV_100NS_TO_USECS; | |
369 | lib$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 JH |
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 JH |
382 | } else { |
383 | tp->tv_sec = ret; | |
384 | return -1; | |
385 | } | |
9b6f56ad CL |
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 JH |
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 SP |
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 JH |
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 HS |
406 | |
407 | void | |
e5620114 | 408 | hrt_usleep(unsigned long usec) /* This is used to emulate usleep. */ |
3f2ee006 HS |
409 | { |
410 | struct timespec res; | |
47e797f6 SP |
411 | res.tv_sec = usec / IV_1E6; |
412 | res.tv_nsec = ( usec - res.tv_sec * IV_1E6 ) * 1000; | |
3f2ee006 HS |
413 | nanosleep(&res, NULL); |
414 | } | |
3f2ee006 | 415 | |
44d3ce20 | 416 | #endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */ |
3f2ee006 | 417 | |
dcf686c9 JH |
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 JH |
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 SP |
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 RGS |
462 | |
463 | static int | |
68c5b4db | 464 | hrt_ualarm_itimero(struct itimerval *oitv, int usec, int uinterval) |
bf8300de | 465 | { |
68c5b4db CBW |
466 | struct itimerval itv; |
467 | itv.it_value.tv_sec = usec / IV_1E6; | |
468 | itv.it_value.tv_usec = usec % IV_1E6; | |
469 | itv.it_interval.tv_sec = uinterval / IV_1E6; | |
470 | itv.it_interval.tv_usec = uinterval % IV_1E6; | |
471 | return setitimer(ITIMER_REAL, &itv, oitv); | |
bf8300de RGS |
472 | } |
473 | ||
dcf686c9 | 474 | int |
bf8300de | 475 | hrt_ualarm_itimer(int usec, int uinterval) |
dcf686c9 | 476 | { |
68c5b4db | 477 | return hrt_ualarm_itimero(NULL, usec, uinterval); |
dcf686c9 | 478 | } |
bf8300de | 479 | |
75d5269b SP |
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 SP |
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 CL |
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 JH |
691 | #ifdef HAS_GETTIMEOFDAY |
692 | ||
a2e20b18 | 693 | static int |
0225372c | 694 | myU2time(pTHX_ UV *ret) |
dcf686c9 JH |
695 | { |
696 | struct timeval Tp; | |
697 | int status; | |
6e3b076d | 698 | status = gettimeofday (&Tp, NULL); |
dcf686c9 JH |
699 | ret[0] = Tp.tv_sec; |
700 | ret[1] = Tp.tv_usec; | |
a2e20b18 | 701 | return status; |
dcf686c9 JH |
702 | } |
703 | ||
3c72ec00 | 704 | static NV |
dcf686c9 JH |
705 | myNVtime() |
706 | { | |
0225372c | 707 | #ifdef WIN32 |
4ed0e2d4 | 708 | dTHX; |
0225372c | 709 | #endif |
dcf686c9 JH |
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 JH |
714 | } |
715 | ||
44d3ce20 | 716 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 | 717 | |
75d5269b SP |
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 SP |
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 SP |
754 | #include "const-c.inc" |
755 | ||
dcf686c9 JH |
756 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
757 | ||
758 | PROTOTYPES: ENABLE | |
759 | ||
760 | BOOT: | |
0225372c RGS |
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 RGS |
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 JH |
791 | PREINIT: |
792 | struct timeval Ta, Tb; | |
793 | CODE: | |
6e3b076d | 794 | gettimeofday(&Ta, NULL); |
52d72fba | 795 | if (items > 0) { |
92bc48ca JH |
796 | if (useconds > 1E6) { |
797 | IV seconds = (IV) (useconds / 1E6); | |
f7916ddb JH |
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 JH |
808 | } else |
809 | PerlProc_pause(); | |
6e3b076d | 810 | gettimeofday(&Tb, NULL); |
92bc48ca JH |
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 JH |
816 | OUTPUT: |
817 | RETVAL | |
818 | ||
44d3ce20 RGS |
819 | #if defined(TIME_HIRES_NANOSLEEP) |
820 | ||
821 | NV | |
170c5524 SP |
822 | nanosleep(nsec) |
823 | NV nsec | |
44d3ce20 | 824 | PREINIT: |
a8fb48f7 | 825 | struct timespec sleepfor, unslept; |
44d3ce20 | 826 | CODE: |
a8fb48f7 SP |
827 | if (nsec < 0.0) |
828 | croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nsec); | |
22149ad2 RGS |
829 | sleepfor.tv_sec = (Time_t)(nsec / 1e9); |
830 | sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9); | |
a8fb48f7 SP |
831 | if (!nanosleep(&sleepfor, &unslept)) { |
832 | RETVAL = nsec; | |
170c5524 | 833 | } else { |
a8fb48f7 SP |
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 RGS |
843 | RETVAL |
844 | ||
ced84e60 SP |
845 | #else /* #if defined(TIME_HIRES_NANOSLEEP) */ |
846 | ||
847 | NV | |
170c5524 SP |
848 | nanosleep(nsec) |
849 | NV nsec | |
ced84e60 SP |
850 | CODE: |
851 | croak("Time::HiRes::nanosleep(): unimplemented in this platform"); | |
852 | RETVAL = 0.0; | |
853 | ||
44d3ce20 RGS |
854 | #endif /* #if defined(TIME_HIRES_NANOSLEEP) */ |
855 | ||
52d72fba | 856 | NV |
f9d00e57 | 857 | sleep(...) |
52d72fba JH |
858 | PREINIT: |
859 | struct timeval Ta, Tb; | |
dcf686c9 | 860 | CODE: |
6e3b076d | 861 | gettimeofday(&Ta, NULL); |
92bc48ca JH |
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 JH |
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 JH |
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 JH |
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 JH |
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 JH |
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 SP |
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 JH |
903 | |
904 | #ifdef HAS_UALARM | |
905 | ||
bf8300de RGS |
906 | IV |
907 | ualarm(useconds,uinterval=0) | |
dcf686c9 | 908 | int useconds |
bf8300de | 909 | int uinterval |
f7916ddb | 910 | CODE: |
bf8300de RGS |
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 RGS |
914 | { |
915 | struct itimerval itv; | |
916 | if (hrt_ualarm_itimero(&itv, useconds, uinterval)) { | |
68c5b4db CBW |
917 | /* To conform to ualarm's interface, we're actually ignoring |
918 | an error here. */ | |
bf8300de | 919 | RETVAL = 0; |
68c5b4db CBW |
920 | } else { |
921 | RETVAL = itv.it_value.tv_sec * IV_1E6 + itv.it_value.tv_usec; | |
bf8300de RGS |
922 | } |
923 | } | |
34f69483 | 924 | #else |
e5620114 | 925 | if (useconds >= IV_1E6 || uinterval >= IV_1E6) |
bf8300de | 926 | croak("Time::HiRes::ualarm(%d, %d): useconds or uinterval equal to or more than %"IVdf, useconds, uinterval, IV_1E6); |
e5620114 | 927 | RETVAL = ualarm(useconds, uinterval); |
34f69483 | 928 | #endif |
dcf686c9 | 929 | |
f7916ddb JH |
930 | OUTPUT: |
931 | RETVAL | |
932 | ||
933 | NV | |
934 | alarm(seconds,interval=0) | |
935 | NV seconds | |
936 | NV interval | |
dcf686c9 | 937 | CODE: |
f7916ddb JH |
938 | if (seconds < 0.0 || interval < 0.0) |
939 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); | |
bf8300de RGS |
940 | { |
941 | IV useconds = IV_1E6 * seconds; | |
942 | IV uinterval = IV_1E6 * interval; | |
bf8300de RGS |
943 | #if defined(HAS_SETITIMER) && defined(ITIMER_REAL) |
944 | { | |
945 | struct itimerval itv; | |
946 | if (hrt_ualarm_itimero(&itv, useconds, uinterval)) { | |
68c5b4db CBW |
947 | /* To conform to alarm's interface, we're actually ignoring |
948 | an error here. */ | |
bf8300de | 949 | RETVAL = 0; |
68c5b4db CBW |
950 | } else { |
951 | RETVAL = itv.it_value.tv_sec + ((NV)itv.it_value.tv_usec) / NV_1E6; | |
bf8300de RGS |
952 | } |
953 | } | |
954 | #else | |
e5620114 RGS |
955 | if (useconds >= IV_1E6 || uinterval >= IV_1E6) |
956 | croak("Time::HiRes::alarm(%d, %d): seconds or interval equal to or more than 1.0 ", useconds, uinterval, IV_1E6); | |
957 | RETVAL = (NV)ualarm( useconds, uinterval ) / NV_1E6; | |
bf8300de RGS |
958 | #endif |
959 | } | |
dcf686c9 | 960 | |
c6c619a9 DM |
961 | OUTPUT: |
962 | RETVAL | |
963 | ||
ced84e60 SP |
964 | #else |
965 | ||
966 | int | |
967 | ualarm(useconds,interval=0) | |
968 | int useconds | |
969 | int interval | |
970 | CODE: | |
971 | croak("Time::HiRes::ualarm(): unimplemented in this platform"); | |
972 | RETVAL = -1; | |
973 | ||
974 | NV | |
975 | alarm(seconds,interval=0) | |
976 | NV seconds | |
977 | NV interval | |
978 | CODE: | |
979 | croak("Time::HiRes::alarm(): unimplemented in this platform"); | |
980 | RETVAL = 0.0; | |
981 | ||
44d3ce20 | 982 | #endif /* #ifdef HAS_UALARM */ |
dcf686c9 JH |
983 | |
984 | #ifdef HAS_GETTIMEOFDAY | |
db835671 JH |
985 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
986 | void | |
987 | gettimeofday() | |
988 | PREINIT: | |
989 | struct timeval Tp; | |
990 | struct timezone Tz; | |
991 | PPCODE: | |
992 | int status; | |
6e3b076d | 993 | status = gettimeofday (&Tp, &Tz); |
db835671 | 994 | |
993164ab RGS |
995 | if (status == 0) { |
996 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ | |
997 | if (GIMME == G_ARRAY) { | |
998 | EXTEND(sp, 2); | |
999 | /* Mac OS (Classic) has unsigned time_t */ | |
1000 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); | |
1001 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); | |
1002 | } else { | |
1003 | EXTEND(sp, 1); | |
47e797f6 | 1004 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6)))); |
993164ab | 1005 | } |
db835671 JH |
1006 | } |
1007 | ||
1008 | NV | |
1009 | time() | |
1010 | PREINIT: | |
1011 | struct timeval Tp; | |
1012 | struct timezone Tz; | |
1013 | CODE: | |
1014 | int status; | |
6e3b076d | 1015 | status = gettimeofday (&Tp, &Tz); |
993164ab RGS |
1016 | if (status == 0) { |
1017 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ | |
47e797f6 | 1018 | RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6); |
993164ab RGS |
1019 | } else { |
1020 | RETVAL = -1.0; | |
1021 | } | |
db835671 JH |
1022 | OUTPUT: |
1023 | RETVAL | |
dcf686c9 | 1024 | |
db835671 | 1025 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 JH |
1026 | void |
1027 | gettimeofday() | |
1028 | PREINIT: | |
1029 | struct timeval Tp; | |
1030 | PPCODE: | |
1031 | int status; | |
6e3b076d | 1032 | status = gettimeofday (&Tp, NULL); |
993164ab RGS |
1033 | if (status == 0) { |
1034 | if (GIMME == G_ARRAY) { | |
1035 | EXTEND(sp, 2); | |
1036 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); | |
1037 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); | |
1038 | } else { | |
1039 | EXTEND(sp, 1); | |
47e797f6 | 1040 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6)))); |
993164ab | 1041 | } |
dcf686c9 JH |
1042 | } |
1043 | ||
3c72ec00 | 1044 | NV |
dcf686c9 JH |
1045 | time() |
1046 | PREINIT: | |
1047 | struct timeval Tp; | |
1048 | CODE: | |
1049 | int status; | |
6e3b076d | 1050 | status = gettimeofday (&Tp, NULL); |
993164ab | 1051 | if (status == 0) { |
47e797f6 | 1052 | RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6); |
993164ab RGS |
1053 | } else { |
1054 | RETVAL = -1.0; | |
1055 | } | |
dcf686c9 JH |
1056 | OUTPUT: |
1057 | RETVAL | |
1058 | ||
db835671 | 1059 | # endif /* MACOS_TRADITIONAL */ |
44d3ce20 | 1060 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 | 1061 | |
3c72ec00 JH |
1062 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
1063 | ||
1064 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) | |
1065 | ||
1066 | void | |
1067 | setitimer(which, seconds, interval = 0) | |
1068 | int which | |
1069 | NV seconds | |
1070 | NV interval | |
1071 | PREINIT: | |
1072 | struct itimerval newit; | |
1073 | struct itimerval oldit; | |
1074 | PPCODE: | |
f7916ddb | 1075 | if (seconds < 0.0 || interval < 0.0) |
436c6dd3 | 1076 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval); |
47e797f6 | 1077 | newit.it_value.tv_sec = (IV)seconds; |
3c72ec00 | 1078 | newit.it_value.tv_usec = |
47e797f6 SP |
1079 | (IV)((seconds - (NV)newit.it_value.tv_sec) * NV_1E6); |
1080 | newit.it_interval.tv_sec = (IV)interval; | |
3c72ec00 | 1081 | newit.it_interval.tv_usec = |
47e797f6 | 1082 | (IV)((interval - (NV)newit.it_interval.tv_sec) * NV_1E6); |
3c72ec00 JH |
1083 | if (setitimer(which, &newit, &oldit) == 0) { |
1084 | EXTEND(sp, 1); | |
1085 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); | |
1086 | if (GIMME == G_ARRAY) { | |
1087 | EXTEND(sp, 1); | |
1088 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | void | |
1093 | getitimer(which) | |
1094 | int which | |
1095 | PREINIT: | |
1096 | struct itimerval nowit; | |
1097 | PPCODE: | |
1098 | if (getitimer(which, &nowit) == 0) { | |
1099 | EXTEND(sp, 1); | |
1100 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); | |
1101 | if (GIMME == G_ARRAY) { | |
1102 | EXTEND(sp, 1); | |
1103 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); | |
1104 | } | |
1105 | } | |
1106 | ||
44d3ce20 RGS |
1107 | #endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */ |
1108 | ||
ced84e60 SP |
1109 | #if defined(TIME_HIRES_CLOCK_GETTIME) |
1110 | ||
1111 | NV | |
1112 | clock_gettime(clock_id = CLOCK_REALTIME) | |
1113 | int clock_id | |
1114 | PREINIT: | |
1115 | struct timespec ts; | |
1116 | int status = -1; | |
1117 | CODE: | |
1118 | #ifdef TIME_HIRES_CLOCK_GETTIME_SYSCALL | |
1119 | status = syscall(SYS_clock_gettime, clock_id, &ts); | |
1120 | #else | |
1121 | status = clock_gettime(clock_id, &ts); | |
1122 | #endif | |
1123 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; | |
1124 | ||
1125 | OUTPUT: | |
1126 | RETVAL | |
1127 | ||
1128 | #else /* if defined(TIME_HIRES_CLOCK_GETTIME) */ | |
1129 | ||
1130 | NV | |
1131 | clock_gettime(clock_id = 0) | |
1132 | int clock_id | |
1133 | CODE: | |
1134 | croak("Time::HiRes::clock_gettime(): unimplemented in this platform"); | |
1135 | RETVAL = 0.0; | |
1136 | ||
1137 | #endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) */ | |
1138 | ||
1139 | #if defined(TIME_HIRES_CLOCK_GETRES) | |
1140 | ||
1141 | NV | |
1142 | clock_getres(clock_id = CLOCK_REALTIME) | |
1143 | int clock_id | |
1144 | PREINIT: | |
1145 | int status = -1; | |
1146 | struct timespec ts; | |
1147 | CODE: | |
1148 | #ifdef TIME_HIRES_CLOCK_GETRES_SYSCALL | |
1149 | status = syscall(SYS_clock_getres, clock_id, &ts); | |
1150 | #else | |
1151 | status = clock_getres(clock_id, &ts); | |
1152 | #endif | |
1153 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; | |
1154 | ||
1155 | OUTPUT: | |
1156 | RETVAL | |
1157 | ||
1158 | #else /* if defined(TIME_HIRES_CLOCK_GETRES) */ | |
1159 | ||
1160 | NV | |
1161 | clock_getres(clock_id = 0) | |
1162 | int clock_id | |
1163 | CODE: | |
1164 | croak("Time::HiRes::clock_getres(): unimplemented in this platform"); | |
1165 | RETVAL = 0.0; | |
1166 | ||
1167 | #endif /* #if defined(TIME_HIRES_CLOCK_GETRES) */ | |
1168 | ||
170c5524 SP |
1169 | #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) |
1170 | ||
1171 | NV | |
a8fb48f7 | 1172 | clock_nanosleep(clock_id, nsec, flags = 0) |
170c5524 | 1173 | int clock_id |
a8fb48f7 | 1174 | NV nsec |
170c5524 SP |
1175 | int flags |
1176 | PREINIT: | |
a8fb48f7 | 1177 | struct timespec sleepfor, unslept; |
170c5524 | 1178 | CODE: |
a8fb48f7 SP |
1179 | if (nsec < 0.0) |
1180 | croak("Time::HiRes::clock_nanosleep(..., %"NVgf"): negative time not invented yet", nsec); | |
22149ad2 RGS |
1181 | sleepfor.tv_sec = (Time_t)(nsec / 1e9); |
1182 | sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9); | |
a8fb48f7 SP |
1183 | if (!clock_nanosleep(clock_id, flags, &sleepfor, &unslept)) { |
1184 | RETVAL = nsec; | |
170c5524 | 1185 | } else { |
a8fb48f7 SP |
1186 | sleepfor.tv_sec -= unslept.tv_sec; |
1187 | sleepfor.tv_nsec -= unslept.tv_nsec; | |
1188 | if (sleepfor.tv_nsec < 0) { | |
1189 | sleepfor.tv_sec--; | |
1190 | sleepfor.tv_nsec += 1000000000; | |
1191 | } | |
1192 | RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec); | |
170c5524 | 1193 | } |
170c5524 SP |
1194 | OUTPUT: |
1195 | RETVAL | |
1196 | ||
1197 | #else /* if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */ | |
1198 | ||
1199 | NV | |
1200 | clock_nanosleep() | |
1201 | CODE: | |
1202 | croak("Time::HiRes::clock_nanosleep(): unimplemented in this platform"); | |
1203 | RETVAL = 0.0; | |
1204 | ||
1205 | #endif /* #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */ | |
1206 | ||
1207 | #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) | |
1208 | ||
1209 | NV | |
1210 | clock() | |
1211 | PREINIT: | |
1212 | clock_t clocks; | |
1213 | CODE: | |
1214 | clocks = clock(); | |
1215 | RETVAL = clocks == -1 ? -1 : (NV)clocks / (NV)CLOCKS_PER_SEC; | |
1216 | ||
1217 | OUTPUT: | |
1218 | RETVAL | |
1219 | ||
1220 | #else /* if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */ | |
1221 | ||
1222 | NV | |
1223 | clock() | |
1224 | CODE: | |
1225 | croak("Time::HiRes::clock(): unimplemented in this platform"); | |
1226 | RETVAL = 0.0; | |
1227 | ||
1228 | #endif /* #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */ | |
1229 | ||
86413ec0 | 1230 | void |
75d5269b SP |
1231 | stat(...) |
1232 | PROTOTYPE: ;$ | |
1233 | PPCODE: | |
1234 | PUSHMARK(SP); | |
1235 | XPUSHs(sv_2mortal(newSVsv(items == 1 ? ST(0) : DEFSV))); | |
1236 | PUTBACK; | |
1237 | ENTER; | |
1238 | PL_laststatval = -1; | |
9e000d5b | 1239 | (void)*(PL_ppaddr[OP_STAT])(aTHXR); |
75d5269b SP |
1240 | SPAGAIN; |
1241 | LEAVE; | |
1242 | if (PL_laststatval == 0) { | |
71ac5476 SP |
1243 | /* We assume that pp_stat() left us with 13 valid stack items, |
1244 | * and that the timestamps are at offsets 8, 9, and 10. */ | |
75d5269b SP |
1245 | UV atime = SvUV(ST( 8)); |
1246 | UV mtime = SvUV(ST( 9)); | |
1247 | UV ctime = SvUV(ST(10)); | |
1248 | UV atime_nsec; | |
1249 | UV mtime_nsec; | |
1250 | UV ctime_nsec; | |
1251 | hrstatns(atime, mtime, ctime, | |
1252 | &atime_nsec, &mtime_nsec, &ctime_nsec); | |
1253 | if (atime_nsec) | |
1254 | ST( 8) = sv_2mortal(newSVnv(atime + 1e-9 * (NV) atime_nsec)); | |
1255 | if (mtime_nsec) | |
1256 | ST( 9) = sv_2mortal(newSVnv(mtime + 1e-9 * (NV) mtime_nsec)); | |
1257 | if (ctime_nsec) | |
1258 | ST(10) = sv_2mortal(newSVnv(ctime + 1e-9 * (NV) ctime_nsec)); | |
1259 | XSRETURN(13); | |
1260 | } | |
1261 | XSRETURN(0); |