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 |
ced84e60 |
33 | #if defined(TIME_HIRES_CLOCK_GETTIME_SYSCALL) || defined(TIME_HIRES_CLOCK_GETRES_SYSCALL) |
34 | #include <syscall.h> |
35 | #endif |
dcf686c9 |
36 | #ifdef __cplusplus |
37 | } |
38 | #endif |
39 | |
1fbb4de4 |
40 | #ifndef PerlProc_pause |
41 | # define PerlProc_pause() Pause() |
3f2ee006 |
42 | #endif |
43 | |
1fbb4de4 |
44 | #ifdef HAS_PAUSE |
45 | # define Pause pause |
3f2ee006 |
46 | #else |
27da23d5 |
47 | # undef Pause /* In case perl.h did it already. */ |
64a7a97c |
48 | # define Pause() sleep(~0) /* Zzz for a long time. */ |
3f2ee006 |
49 | #endif |
50 | |
51 | /* Though the cpp define ITIMER_VIRTUAL is available the functionality |
4ed0e2d4 |
52 | * is not supported in Cygwin as of August 2004, ditto for Win32. |
3f2ee006 |
53 | * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi |
54 | */ |
55 | #if defined(__CYGWIN__) || defined(WIN32) |
56 | # undef ITIMER_VIRTUAL |
57 | # undef ITIMER_PROF |
58 | # undef ITIMER_REALPROF |
59 | #endif |
60 | |
98b50af3 |
61 | /* 5.004 doesn't define PL_sv_undef */ |
62 | #ifndef ATLEASTFIVEOHOHFIVE |
4ed0e2d4 |
63 | # ifndef PL_sv_undef |
64 | # define PL_sv_undef sv_undef |
65 | # endif |
3c72ec00 |
66 | #endif |
3c72ec00 |
67 | |
82cbdcc3 |
68 | #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) |
69 | |
70 | /* HP-UX has CLOCK_XXX values but as enums, not as defines. |
71 | * The only way to detect these would be to test compile for each. */ |
72 | # ifdef __hpux |
73 | # define CLOCK_REALTIME CLOCK_REALTIME |
74 | # define CLOCK_VIRTUAL CLOCK_VIRTUAL |
75 | # define CLOCK_PROFILE CLOCK_PROFILE |
76 | # endif /* # ifdef __hpux */ |
77 | |
78 | #endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) */ |
3c72ec00 |
79 | |
4ed0e2d4 |
80 | #if defined(WIN32) || defined(CYGWIN_WITH_W32API) |
0225372c |
81 | |
82 | #ifndef HAS_GETTIMEOFDAY |
83 | # define HAS_GETTIMEOFDAY |
84 | #endif |
fd44fdfd |
85 | |
6e3b076d |
86 | /* shows up in winsock.h? |
87 | struct timeval { |
88 | long tv_sec; |
89 | long tv_usec; |
90 | } |
91 | */ |
92 | |
fd44fdfd |
93 | typedef union { |
94 | unsigned __int64 ft_i64; |
95 | FILETIME ft_val; |
96 | } FT_t; |
97 | |
0225372c |
98 | #define MY_CXT_KEY "Time::HiRes_" XS_VERSION |
99 | |
100 | typedef struct { |
101 | unsigned long run_count; |
102 | unsigned __int64 base_ticks; |
103 | unsigned __int64 tick_frequency; |
104 | FT_t base_systime_as_filetime; |
4ed0e2d4 |
105 | unsigned __int64 reset_time; |
0225372c |
106 | } my_cxt_t; |
107 | |
108 | START_MY_CXT |
109 | |
6e3b076d |
110 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
fd44fdfd |
111 | #ifdef __GNUC__ |
4ed0e2d4 |
112 | # define Const64(x) x##LL |
fd44fdfd |
113 | #else |
4ed0e2d4 |
114 | # define Const64(x) x##i64 |
fd44fdfd |
115 | #endif |
fd44fdfd |
116 | #define EPOCH_BIAS Const64(116444736000000000) |
117 | |
118 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
119 | * and appears to be unsupported even by glibc) */ |
0225372c |
120 | |
121 | /* dMY_CXT needs a Perl context and we don't want to call PERL_GET_CONTEXT |
122 | for performance reasons */ |
123 | |
124 | #undef gettimeofday |
125 | #define gettimeofday(tp, not_used) _gettimeofday(aTHX_ tp, not_used) |
126 | |
d8cb5b61 |
127 | /* If the performance counter delta drifts more than 0.5 seconds from the |
128 | * system time then we recalibrate to the system time. This means we may |
c1dc6e7c |
129 | * move *backwards* in time! */ |
4ed0e2d4 |
130 | #define MAX_PERF_COUNTER_SKEW Const64(5000000) /* 0.5 seconds */ |
c1dc6e7c |
131 | |
4ed0e2d4 |
132 | /* Reset reading from the performance counter every five minutes. |
133 | * Many PC clocks just seem to be so bad. */ |
134 | #define MAX_PERF_COUNTER_TICKS Const64(300000000) /* 300 seconds */ |
c1dc6e7c |
135 | |
0225372c |
136 | static int |
137 | _gettimeofday(pTHX_ struct timeval *tp, void *not_used) |
fd44fdfd |
138 | { |
0225372c |
139 | dMY_CXT; |
140 | |
141 | unsigned __int64 ticks; |
fd44fdfd |
142 | FT_t ft; |
143 | |
4ed0e2d4 |
144 | if (MY_CXT.run_count++ == 0 || |
145 | MY_CXT.base_systime_as_filetime.ft_i64 > MY_CXT.reset_time) { |
146 | QueryPerformanceFrequency((LARGE_INTEGER*)&MY_CXT.tick_frequency); |
147 | QueryPerformanceCounter((LARGE_INTEGER*)&MY_CXT.base_ticks); |
148 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
149 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
150 | MY_CXT.reset_time = ft.ft_i64 + MAX_PERF_COUNTER_TICKS; |
151 | } |
152 | else { |
c1dc6e7c |
153 | __int64 diff; |
0225372c |
154 | QueryPerformanceCounter((LARGE_INTEGER*)&ticks); |
155 | ticks -= MY_CXT.base_ticks; |
156 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64 |
b6136f41 |
157 | + Const64(10000000) * (ticks / MY_CXT.tick_frequency) |
158 | +(Const64(10000000) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency; |
c1dc6e7c |
159 | diff = ft.ft_i64 - MY_CXT.base_systime_as_filetime.ft_i64; |
4ed0e2d4 |
160 | if (diff < -MAX_PERF_COUNTER_SKEW || diff > MAX_PERF_COUNTER_SKEW) { |
161 | MY_CXT.base_ticks += ticks; |
162 | GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val); |
163 | ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64; |
c1dc6e7c |
164 | } |
0225372c |
165 | } |
fd44fdfd |
166 | |
167 | /* seconds since epoch */ |
168 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
169 | |
170 | /* microseconds remaining */ |
171 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
172 | |
173 | return 0; |
174 | } |
6e3b076d |
175 | #endif |
fd44fdfd |
176 | |
0225372c |
177 | #if defined(WIN32) && !defined(ATLEASTFIVEOHOHFIVE) |
178 | static unsigned int |
179 | sleep(unsigned int t) |
180 | { |
181 | Sleep(t*1000); |
182 | return 0; |
183 | } |
184 | #endif |
185 | |
dcf686c9 |
186 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
187 | #define HAS_GETTIMEOFDAY |
188 | |
9b6f56ad |
189 | #include <lnmdef.h> |
dcf686c9 |
190 | #include <time.h> /* gettimeofday */ |
191 | #include <stdlib.h> /* qdiv */ |
192 | #include <starlet.h> /* sys$gettim */ |
193 | #include <descrip.h> |
3785778e |
194 | #ifdef __VAX |
195 | #include <lib$routines.h> /* lib$ediv() */ |
196 | #endif |
dcf686c9 |
197 | |
198 | /* |
199 | VMS binary time is expressed in 100 nano-seconds since |
200 | system base time which is 17-NOV-1858 00:00:00.00 |
201 | */ |
202 | |
203 | #define DIV_100NS_TO_SECS 10000000L |
204 | #define DIV_100NS_TO_USECS 10L |
205 | |
206 | /* |
207 | gettimeofday is supposed to return times since the epoch |
208 | so need to determine this in terms of VMS base time |
209 | */ |
210 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
211 | |
5cdb7193 |
212 | #ifdef __VAX |
3785778e |
213 | static long base_adjust[2]={0L,0L}; |
5cdb7193 |
214 | #else |
dcf686c9 |
215 | static __int64 base_adjust=0; |
5cdb7193 |
216 | #endif |
dcf686c9 |
217 | |
9b6f56ad |
218 | /* |
219 | |
220 | If we don't have gettimeofday, then likely we are on a VMS machine that |
221 | operates on local time rather than UTC...so we have to zone-adjust. |
222 | This code gleefully swiped from VMS.C |
223 | |
224 | */ |
225 | /* method used to handle UTC conversions: |
226 | * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction |
227 | */ |
228 | static int gmtime_emulation_type; |
229 | /* number of secs to add to UTC POSIX-style time to get local time */ |
230 | static long int utc_offset_secs; |
231 | static struct dsc$descriptor_s fildevdsc = |
232 | { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; |
233 | static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; |
234 | |
235 | static time_t toutc_dst(time_t loc) { |
236 | struct tm *rsltmp; |
237 | |
238 | if ((rsltmp = localtime(&loc)) == NULL) return -1; |
239 | loc -= utc_offset_secs; |
240 | if (rsltmp->tm_isdst) loc -= 3600; |
241 | return loc; |
242 | } |
243 | |
244 | static time_t toloc_dst(time_t utc) { |
245 | struct tm *rsltmp; |
246 | |
247 | utc += utc_offset_secs; |
248 | if ((rsltmp = localtime(&utc)) == NULL) return -1; |
249 | if (rsltmp->tm_isdst) utc += 3600; |
250 | return utc; |
251 | } |
252 | |
253 | #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
254 | ((gmtime_emulation_type || timezone_setup()), \ |
255 | (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ |
256 | ((secs) - utc_offset_secs)))) |
257 | |
258 | #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ |
259 | ((gmtime_emulation_type || timezone_setup()), \ |
260 | (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ |
261 | ((secs) + utc_offset_secs)))) |
262 | |
263 | static int |
264 | timezone_setup(void) |
265 | { |
266 | struct tm *tm_p; |
267 | |
268 | if (gmtime_emulation_type == 0) { |
269 | int dstnow; |
270 | time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ |
271 | /* results of calls to gmtime() and localtime() */ |
272 | /* for same &base */ |
273 | |
274 | gmtime_emulation_type++; |
275 | if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ |
276 | char off[LNM$C_NAMLENGTH+1];; |
277 | |
278 | gmtime_emulation_type++; |
279 | if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { |
280 | gmtime_emulation_type++; |
281 | utc_offset_secs = 0; |
282 | Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); |
283 | } |
284 | else { utc_offset_secs = atol(off); } |
285 | } |
286 | else { /* We've got a working gmtime() */ |
287 | struct tm gmt, local; |
288 | |
289 | gmt = *tm_p; |
290 | tm_p = localtime(&base); |
291 | local = *tm_p; |
292 | utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; |
293 | utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; |
294 | utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; |
295 | utc_offset_secs += (local.tm_sec - gmt.tm_sec); |
296 | } |
297 | } |
298 | return 1; |
299 | } |
300 | |
301 | |
dcf686c9 |
302 | int |
303 | gettimeofday (struct timeval *tp, void *tpz) |
304 | { |
305 | long ret; |
5cdb7193 |
306 | #ifdef __VAX |
3785778e |
307 | long quad[2]; |
308 | long quad1[2]; |
309 | long div_100ns_to_secs; |
310 | long div_100ns_to_usecs; |
311 | long quo,rem; |
312 | long quo1,rem1; |
5cdb7193 |
313 | #else |
dcf686c9 |
314 | __int64 quad; |
315 | __qdiv_t ans1,ans2; |
5cdb7193 |
316 | #endif |
dcf686c9 |
317 | /* |
318 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
319 | The return from function is also set to -1. |
320 | This is not exactly as per the manual page. |
321 | */ |
322 | |
323 | tp->tv_usec = 0; |
324 | |
3785778e |
325 | #ifdef __VAX |
326 | if (base_adjust[0]==0 && base_adjust[1]==0) { |
327 | #else |
dcf686c9 |
328 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
3785778e |
329 | #endif |
dcf686c9 |
330 | ret=sys$bintim(&dscepoch,&base_adjust); |
331 | if (1 != (ret &&1)) { |
332 | tp->tv_sec = ret; |
333 | return -1; |
334 | } |
335 | } |
336 | |
337 | ret=sys$gettim(&quad); /* Get VMS system time */ |
338 | if ((1 && ret) == 1) { |
5cdb7193 |
339 | #ifdef __VAX |
3785778e |
340 | quad[0] -= base_adjust[0]; /* convert to epoch offset */ |
341 | quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */ |
342 | div_100ns_to_secs = DIV_100NS_TO_SECS; |
343 | div_100ns_to_usecs = DIV_100NS_TO_USECS; |
344 | lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem); |
345 | quad1[0] = rem; |
346 | quad1[1] = 0L; |
347 | lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1); |
348 | tp->tv_sec = quo; /* Whole seconds */ |
349 | tp->tv_usec = quo1; /* Micro-seconds */ |
5cdb7193 |
350 | #else |
3785778e |
351 | quad -= base_adjust; /* convert to epoch offset */ |
dcf686c9 |
352 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
353 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
354 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
355 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
3785778e |
356 | #endif |
dcf686c9 |
357 | } else { |
358 | tp->tv_sec = ret; |
359 | return -1; |
360 | } |
9b6f56ad |
361 | # ifdef VMSISH_TIME |
362 | # ifdef RTL_USES_UTC |
363 | if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec); |
364 | # else |
365 | if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec); |
366 | # endif |
367 | # endif |
dcf686c9 |
368 | return 0; |
369 | } |
370 | #endif |
371 | |
3f2ee006 |
372 | |
046e3f33 |
373 | /* Do not use H A S _ N A N O S L E E P |
70cf0185 |
374 | * so that Perl Configure doesn't scan for it (and pull in -lrt and |
375 | * the like which are not usually good ideas for the default Perl). |
e5433ad8 |
376 | * (We are part of the core perl now.) |
046e3f33 |
377 | * The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */ |
378 | #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) |
3f2ee006 |
379 | #define HAS_USLEEP |
3d0346a5 |
380 | #define usleep hrt_nanosleep /* could conflict with ncurses for static build */ |
3f2ee006 |
381 | |
382 | void |
3d0346a5 |
383 | hrt_nanosleep(unsigned long usec) /* This is used to emulate usleep. */ |
3f2ee006 |
384 | { |
385 | struct timespec res; |
386 | res.tv_sec = usec/1000/1000; |
387 | res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000; |
388 | nanosleep(&res, NULL); |
389 | } |
3f2ee006 |
390 | |
44d3ce20 |
391 | #endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */ |
3f2ee006 |
392 | |
dcf686c9 |
393 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
394 | #ifndef SELECT_IS_BROKEN |
395 | #define HAS_USLEEP |
396 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
397 | |
398 | void |
399 | hrt_usleep(unsigned long usec) |
400 | { |
401 | struct timeval tv; |
402 | tv.tv_sec = 0; |
403 | tv.tv_usec = usec; |
404 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
405 | (Select_fd_set_t)NULL, &tv); |
406 | } |
407 | #endif |
44d3ce20 |
408 | #endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */ |
dcf686c9 |
409 | |
410 | #if !defined(HAS_USLEEP) && defined(WIN32) |
411 | #define HAS_USLEEP |
412 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
413 | |
414 | void |
415 | hrt_usleep(unsigned long usec) |
416 | { |
417 | long msec; |
418 | msec = usec / 1000; |
419 | Sleep (msec); |
420 | } |
44d3ce20 |
421 | #endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */ |
dcf686c9 |
422 | |
70cf0185 |
423 | #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) |
e5433ad8 |
424 | #define HAS_USLEEP |
425 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
426 | |
427 | void |
428 | hrt_usleep(unsigned long usec) |
429 | { |
430 | struct timespec tsa; |
431 | tsa.tv_sec = usec * 1000; /* Ignoring wraparound. */ |
432 | tsa.tv_nsec = 0; |
433 | nanosleep(&tsa, NULL); |
434 | } |
435 | |
b311af62 |
436 | #endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */ |
e5433ad8 |
437 | |
438 | #if !defined(HAS_USLEEP) && defined(HAS_POLL) |
439 | #define HAS_USLEEP |
440 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
441 | |
442 | void |
443 | hrt_usleep(unsigned long usec) |
444 | { |
445 | int msec = usec / 1000; |
446 | poll(0, 0, msec); |
447 | } |
448 | |
449 | #endif /* #if !defined(HAS_USLEEP) && defined(HAS_POLL) */ |
dcf686c9 |
450 | |
451 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
452 | #define HAS_UALARM |
453 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
454 | |
455 | int |
456 | hrt_ualarm(int usec, int interval) |
457 | { |
458 | struct itimerval itv; |
459 | itv.it_value.tv_sec = usec / 1000000; |
460 | itv.it_value.tv_usec = usec % 1000000; |
461 | itv.it_interval.tv_sec = interval / 1000000; |
462 | itv.it_interval.tv_usec = interval % 1000000; |
463 | return setitimer(ITIMER_REAL, &itv, 0); |
464 | } |
44d3ce20 |
465 | #endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */ |
dcf686c9 |
466 | |
ca40fe49 |
467 | #if !defined(HAS_UALARM) && defined(VMS) |
468 | #define HAS_UALARM |
469 | #define ualarm vms_ualarm |
470 | |
471 | #include <lib$routines.h> |
472 | #include <ssdef.h> |
473 | #include <starlet.h> |
474 | #include <descrip.h> |
475 | #include <signal.h> |
476 | #include <jpidef.h> |
477 | #include <psldef.h> |
478 | |
479 | #define VMSERR(s) (!((s)&1)) |
480 | |
481 | static void |
482 | us_to_VMS(useconds_t mseconds, unsigned long v[]) |
483 | { |
484 | int iss; |
485 | unsigned long qq[2]; |
486 | |
487 | qq[0] = mseconds; |
488 | qq[1] = 0; |
489 | v[0] = v[1] = 0; |
490 | |
491 | iss = lib$addx(qq,qq,qq); |
492 | if (VMSERR(iss)) lib$signal(iss); |
493 | iss = lib$subx(v,qq,v); |
494 | if (VMSERR(iss)) lib$signal(iss); |
495 | iss = lib$addx(qq,qq,qq); |
496 | if (VMSERR(iss)) lib$signal(iss); |
497 | iss = lib$subx(v,qq,v); |
498 | if (VMSERR(iss)) lib$signal(iss); |
499 | iss = lib$subx(v,qq,v); |
500 | if (VMSERR(iss)) lib$signal(iss); |
501 | } |
502 | |
503 | static int |
504 | VMS_to_us(unsigned long v[]) |
505 | { |
506 | int iss; |
507 | unsigned long div=10,quot, rem; |
508 | |
509 | iss = lib$ediv(&div,v,",&rem); |
510 | if (VMSERR(iss)) lib$signal(iss); |
511 | |
512 | return quot; |
513 | } |
514 | |
515 | typedef unsigned short word; |
516 | typedef struct _ualarm { |
517 | int function; |
518 | int repeat; |
519 | unsigned long delay[2]; |
520 | unsigned long interval[2]; |
521 | unsigned long remain[2]; |
522 | } Alarm; |
523 | |
524 | |
525 | static int alarm_ef; |
526 | static Alarm *a0, alarm_base; |
527 | #define UAL_NULL 0 |
528 | #define UAL_SET 1 |
529 | #define UAL_CLEAR 2 |
530 | #define UAL_ACTIVE 4 |
531 | static void ualarm_AST(Alarm *a); |
532 | |
533 | static int |
534 | vms_ualarm(int mseconds, int interval) |
535 | { |
536 | Alarm *a, abase; |
537 | struct item_list3 { |
538 | word length; |
539 | word code; |
540 | void *bufaddr; |
541 | void *retlenaddr; |
542 | } ; |
543 | static struct item_list3 itmlst[2]; |
544 | static int first = 1; |
545 | unsigned long asten; |
546 | int iss, enabled; |
547 | |
548 | if (first) { |
549 | first = 0; |
550 | itmlst[0].code = JPI$_ASTEN; |
551 | itmlst[0].length = sizeof(asten); |
552 | itmlst[0].retlenaddr = NULL; |
553 | itmlst[1].code = 0; |
554 | itmlst[1].length = 0; |
555 | itmlst[1].bufaddr = NULL; |
556 | itmlst[1].retlenaddr = NULL; |
557 | |
558 | iss = lib$get_ef(&alarm_ef); |
559 | if (VMSERR(iss)) lib$signal(iss); |
560 | |
561 | a0 = &alarm_base; |
562 | a0->function = UAL_NULL; |
563 | } |
564 | itmlst[0].bufaddr = &asten; |
565 | |
566 | iss = sys$getjpiw(0,0,0,itmlst,0,0,0); |
567 | if (VMSERR(iss)) lib$signal(iss); |
568 | if (!(asten&0x08)) return -1; |
569 | |
570 | a = &abase; |
571 | if (mseconds) { |
572 | a->function = UAL_SET; |
573 | } else { |
574 | a->function = UAL_CLEAR; |
575 | } |
576 | |
577 | us_to_VMS(mseconds, a->delay); |
578 | if (interval) { |
579 | us_to_VMS(interval, a->interval); |
580 | a->repeat = 1; |
581 | } else |
582 | a->repeat = 0; |
583 | |
584 | iss = sys$clref(alarm_ef); |
585 | if (VMSERR(iss)) lib$signal(iss); |
586 | |
587 | iss = sys$dclast(ualarm_AST,a,0); |
588 | if (VMSERR(iss)) lib$signal(iss); |
589 | |
590 | iss = sys$waitfr(alarm_ef); |
591 | if (VMSERR(iss)) lib$signal(iss); |
592 | |
593 | if (a->function == UAL_ACTIVE) |
594 | return VMS_to_us(a->remain); |
595 | else |
596 | return 0; |
597 | } |
598 | |
599 | |
600 | |
601 | static void |
602 | ualarm_AST(Alarm *a) |
603 | { |
604 | int iss; |
605 | unsigned long now[2]; |
606 | |
607 | iss = sys$gettim(now); |
608 | if (VMSERR(iss)) lib$signal(iss); |
609 | |
610 | if (a->function == UAL_SET || a->function == UAL_CLEAR) { |
611 | if (a0->function == UAL_ACTIVE) { |
612 | iss = sys$cantim(a0,PSL$C_USER); |
613 | if (VMSERR(iss)) lib$signal(iss); |
614 | |
615 | iss = lib$subx(a0->remain, now, a->remain); |
616 | if (VMSERR(iss)) lib$signal(iss); |
617 | |
618 | if (a->remain[1] & 0x80000000) |
619 | a->remain[0] = a->remain[1] = 0; |
620 | } |
621 | |
622 | if (a->function == UAL_SET) { |
623 | a->function = a0->function; |
624 | a0->function = UAL_ACTIVE; |
625 | a0->repeat = a->repeat; |
626 | if (a0->repeat) { |
627 | a0->interval[0] = a->interval[0]; |
628 | a0->interval[1] = a->interval[1]; |
629 | } |
630 | a0->delay[0] = a->delay[0]; |
631 | a0->delay[1] = a->delay[1]; |
632 | |
633 | iss = lib$subx(now, a0->delay, a0->remain); |
634 | if (VMSERR(iss)) lib$signal(iss); |
635 | |
636 | iss = sys$setimr(0,a0->delay,ualarm_AST,a0); |
637 | if (VMSERR(iss)) lib$signal(iss); |
638 | } else { |
639 | a->function = a0->function; |
640 | a0->function = UAL_NULL; |
641 | } |
642 | iss = sys$setef(alarm_ef); |
643 | if (VMSERR(iss)) lib$signal(iss); |
644 | } else if (a->function == UAL_ACTIVE) { |
645 | if (a->repeat) { |
646 | iss = lib$subx(now, a->interval, a->remain); |
647 | if (VMSERR(iss)) lib$signal(iss); |
648 | |
649 | iss = sys$setimr(0,a->interval,ualarm_AST,a); |
650 | if (VMSERR(iss)) lib$signal(iss); |
651 | } else { |
652 | a->function = UAL_NULL; |
653 | } |
654 | iss = sys$wake(0,0); |
655 | if (VMSERR(iss)) lib$signal(iss); |
656 | lib$signal(SS$_ASTFLT); |
657 | } else { |
658 | lib$signal(SS$_BADPARAM); |
659 | } |
660 | } |
661 | |
44d3ce20 |
662 | #endif /* #if !defined(HAS_UALARM) && defined(VMS) */ |
ca40fe49 |
663 | |
dcf686c9 |
664 | #ifdef HAS_GETTIMEOFDAY |
665 | |
a2e20b18 |
666 | static int |
0225372c |
667 | myU2time(pTHX_ UV *ret) |
dcf686c9 |
668 | { |
669 | struct timeval Tp; |
670 | int status; |
6e3b076d |
671 | status = gettimeofday (&Tp, NULL); |
dcf686c9 |
672 | ret[0] = Tp.tv_sec; |
673 | ret[1] = Tp.tv_usec; |
a2e20b18 |
674 | return status; |
dcf686c9 |
675 | } |
676 | |
3c72ec00 |
677 | static NV |
dcf686c9 |
678 | myNVtime() |
679 | { |
0225372c |
680 | #ifdef WIN32 |
4ed0e2d4 |
681 | dTHX; |
0225372c |
682 | #endif |
dcf686c9 |
683 | struct timeval Tp; |
684 | int status; |
6e3b076d |
685 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
686 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
687 | } |
688 | |
44d3ce20 |
689 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
690 | |
82cbdcc3 |
691 | #include "const-c.inc" |
692 | |
dcf686c9 |
693 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
694 | |
695 | PROTOTYPES: ENABLE |
696 | |
697 | BOOT: |
0225372c |
698 | { |
699 | #ifdef MY_CXT_KEY |
700 | MY_CXT_INIT; |
701 | #endif |
3f2ee006 |
702 | #ifdef ATLEASTFIVEOHOHFIVE |
dcf686c9 |
703 | #ifdef HAS_GETTIMEOFDAY |
0225372c |
704 | { |
0225372c |
705 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0); |
06252d99 |
706 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0); |
0225372c |
707 | } |
708 | #endif |
dcf686c9 |
709 | #endif |
0225372c |
710 | } |
711 | |
712 | #if defined(USE_ITHREADS) && defined(MY_CXT_KEY) |
713 | |
714 | void |
715 | CLONE(...) |
716 | CODE: |
717 | MY_CXT_CLONE; |
718 | |
3f2ee006 |
719 | #endif |
dcf686c9 |
720 | |
98b50af3 |
721 | INCLUDE: const-xs.inc |
3c72ec00 |
722 | |
52d72fba |
723 | #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) |
dcf686c9 |
724 | |
92bc48ca |
725 | NV |
dcf686c9 |
726 | usleep(useconds) |
92bc48ca |
727 | NV useconds |
52d72fba |
728 | PREINIT: |
729 | struct timeval Ta, Tb; |
730 | CODE: |
6e3b076d |
731 | gettimeofday(&Ta, NULL); |
52d72fba |
732 | if (items > 0) { |
92bc48ca |
733 | if (useconds > 1E6) { |
734 | IV seconds = (IV) (useconds / 1E6); |
f7916ddb |
735 | /* If usleep() has been implemented using setitimer() |
736 | * then this contortion is unnecessary-- but usleep() |
737 | * may be implemented in some other way, so let's contort. */ |
738 | if (seconds) { |
739 | sleep(seconds); |
740 | useconds -= 1E6 * seconds; |
741 | } |
742 | } else if (useconds < 0.0) |
743 | croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds); |
9a2ac92c |
744 | usleep((U32)useconds); |
52d72fba |
745 | } else |
746 | PerlProc_pause(); |
6e3b076d |
747 | gettimeofday(&Tb, NULL); |
92bc48ca |
748 | #if 0 |
749 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
750 | #endif |
751 | RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec); |
dcf686c9 |
752 | |
52d72fba |
753 | OUTPUT: |
754 | RETVAL |
755 | |
44d3ce20 |
756 | #if defined(TIME_HIRES_NANOSLEEP) |
757 | |
758 | NV |
759 | nanosleep(nseconds) |
760 | NV nseconds |
761 | PREINIT: |
762 | struct timeval Ta, Tb; |
763 | CODE: |
764 | gettimeofday(&Ta, NULL); |
765 | if (items > 0) { |
766 | struct timespec tsa; |
767 | if (nseconds > 1E9) { |
768 | IV seconds = (IV) (nseconds / 1E9); |
769 | if (seconds) { |
770 | sleep(seconds); |
771 | nseconds -= 1E9 * seconds; |
772 | } |
773 | } else if (nseconds < 0.0) |
774 | croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nseconds); |
775 | tsa.tv_sec = (IV) (nseconds / 1E9); |
776 | tsa.tv_nsec = (IV) nseconds - tsa.tv_sec * 1E9; |
777 | nanosleep(&tsa, NULL); |
778 | } else |
779 | PerlProc_pause(); |
780 | gettimeofday(&Tb, NULL); |
781 | RETVAL = 1E3*(1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec)); |
782 | |
783 | OUTPUT: |
784 | RETVAL |
785 | |
ced84e60 |
786 | #else /* #if defined(TIME_HIRES_NANOSLEEP) */ |
787 | |
788 | NV |
789 | nanosleep(nseconds) |
790 | NV nseconds |
791 | CODE: |
792 | croak("Time::HiRes::nanosleep(): unimplemented in this platform"); |
793 | RETVAL = 0.0; |
794 | |
44d3ce20 |
795 | #endif /* #if defined(TIME_HIRES_NANOSLEEP) */ |
796 | |
52d72fba |
797 | NV |
f9d00e57 |
798 | sleep(...) |
52d72fba |
799 | PREINIT: |
800 | struct timeval Ta, Tb; |
dcf686c9 |
801 | CODE: |
6e3b076d |
802 | gettimeofday(&Ta, NULL); |
92bc48ca |
803 | if (items > 0) { |
804 | NV seconds = SvNV(ST(0)); |
f7916ddb |
805 | if (seconds >= 0.0) { |
7c436af3 |
806 | UV useconds = (UV)(1E6 * (seconds - (UV)seconds)); |
4880edd6 |
807 | if (seconds >= 1.0) |
9a2ac92c |
808 | sleep((U32)seconds); |
db0b859f |
809 | if ((IV)useconds < 0) { |
810 | #if defined(__sparc64__) && defined(__GNUC__) |
811 | /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug |
812 | * where (0.5 - (UV)(0.5)) will under certain |
813 | * circumstances (if the double is cast to UV more |
814 | * than once?) evaluate to -0.5, instead of 0.5. */ |
815 | useconds = -(IV)useconds; |
44d3ce20 |
816 | #endif /* #if defined(__sparc64__) && defined(__GNUC__) */ |
db0b859f |
817 | if ((IV)useconds < 0) |
818 | croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds); |
819 | } |
f7916ddb |
820 | usleep(useconds); |
821 | } else |
822 | croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds); |
92bc48ca |
823 | } else |
f9d00e57 |
824 | PerlProc_pause(); |
6e3b076d |
825 | gettimeofday(&Tb, NULL); |
92bc48ca |
826 | #if 0 |
827 | printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec); |
828 | #endif |
52d72fba |
829 | RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec); |
830 | |
831 | OUTPUT: |
832 | RETVAL |
dcf686c9 |
833 | |
ced84e60 |
834 | #else /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */ |
835 | |
836 | NV |
837 | usleep(useconds) |
838 | NV useconds |
839 | CODE: |
840 | croak("Time::HiRes::usleep(): unimplemented in this platform"); |
841 | RETVAL = 0.0; |
842 | |
44d3ce20 |
843 | #endif /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */ |
dcf686c9 |
844 | |
845 | #ifdef HAS_UALARM |
846 | |
3de7a4ec |
847 | int |
dcf686c9 |
848 | ualarm(useconds,interval=0) |
849 | int useconds |
850 | int interval |
f7916ddb |
851 | CODE: |
852 | if (useconds < 0 || interval < 0) |
3de7a4ec |
853 | croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval); |
f7916ddb |
854 | RETVAL = ualarm(useconds, interval); |
dcf686c9 |
855 | |
f7916ddb |
856 | OUTPUT: |
857 | RETVAL |
858 | |
859 | NV |
860 | alarm(seconds,interval=0) |
861 | NV seconds |
862 | NV interval |
dcf686c9 |
863 | CODE: |
f7916ddb |
864 | if (seconds < 0.0 || interval < 0.0) |
865 | croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval); |
866 | RETVAL = (NV)ualarm(seconds * 1000000, |
867 | interval * 1000000) / 1E6; |
dcf686c9 |
868 | |
c6c619a9 |
869 | OUTPUT: |
870 | RETVAL |
871 | |
ced84e60 |
872 | #else |
873 | |
874 | int |
875 | ualarm(useconds,interval=0) |
876 | int useconds |
877 | int interval |
878 | CODE: |
879 | croak("Time::HiRes::ualarm(): unimplemented in this platform"); |
880 | RETVAL = -1; |
881 | |
882 | NV |
883 | alarm(seconds,interval=0) |
884 | NV seconds |
885 | NV interval |
886 | CODE: |
887 | croak("Time::HiRes::alarm(): unimplemented in this platform"); |
888 | RETVAL = 0.0; |
889 | |
44d3ce20 |
890 | #endif /* #ifdef HAS_UALARM */ |
dcf686c9 |
891 | |
892 | #ifdef HAS_GETTIMEOFDAY |
db835671 |
893 | # ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */ |
894 | void |
895 | gettimeofday() |
896 | PREINIT: |
897 | struct timeval Tp; |
898 | struct timezone Tz; |
899 | PPCODE: |
900 | int status; |
6e3b076d |
901 | status = gettimeofday (&Tp, &Tz); |
db835671 |
902 | |
993164ab |
903 | if (status == 0) { |
904 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
905 | if (GIMME == G_ARRAY) { |
906 | EXTEND(sp, 2); |
907 | /* Mac OS (Classic) has unsigned time_t */ |
908 | PUSHs(sv_2mortal(newSVuv(Tp.tv_sec))); |
909 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
910 | } else { |
911 | EXTEND(sp, 1); |
912 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
913 | } |
db835671 |
914 | } |
915 | |
916 | NV |
917 | time() |
918 | PREINIT: |
919 | struct timeval Tp; |
920 | struct timezone Tz; |
921 | CODE: |
922 | int status; |
6e3b076d |
923 | status = gettimeofday (&Tp, &Tz); |
993164ab |
924 | if (status == 0) { |
925 | Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */ |
926 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0); |
927 | } else { |
928 | RETVAL = -1.0; |
929 | } |
db835671 |
930 | OUTPUT: |
931 | RETVAL |
dcf686c9 |
932 | |
db835671 |
933 | # else /* MACOS_TRADITIONAL */ |
dcf686c9 |
934 | void |
935 | gettimeofday() |
936 | PREINIT: |
937 | struct timeval Tp; |
938 | PPCODE: |
939 | int status; |
6e3b076d |
940 | status = gettimeofday (&Tp, NULL); |
993164ab |
941 | if (status == 0) { |
942 | if (GIMME == G_ARRAY) { |
943 | EXTEND(sp, 2); |
944 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
945 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
946 | } else { |
947 | EXTEND(sp, 1); |
948 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
949 | } |
dcf686c9 |
950 | } |
951 | |
3c72ec00 |
952 | NV |
dcf686c9 |
953 | time() |
954 | PREINIT: |
955 | struct timeval Tp; |
956 | CODE: |
957 | int status; |
6e3b076d |
958 | status = gettimeofday (&Tp, NULL); |
993164ab |
959 | if (status == 0) { |
960 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
961 | } else { |
962 | RETVAL = -1.0; |
963 | } |
dcf686c9 |
964 | OUTPUT: |
965 | RETVAL |
966 | |
db835671 |
967 | # endif /* MACOS_TRADITIONAL */ |
44d3ce20 |
968 | #endif /* #ifdef HAS_GETTIMEOFDAY */ |
dcf686c9 |
969 | |
3c72ec00 |
970 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
971 | |
972 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
973 | |
974 | void |
975 | setitimer(which, seconds, interval = 0) |
976 | int which |
977 | NV seconds |
978 | NV interval |
979 | PREINIT: |
980 | struct itimerval newit; |
981 | struct itimerval oldit; |
982 | PPCODE: |
f7916ddb |
983 | if (seconds < 0.0 || interval < 0.0) |
436c6dd3 |
984 | croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval); |
3c72ec00 |
985 | newit.it_value.tv_sec = seconds; |
986 | newit.it_value.tv_usec = |
987 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
988 | newit.it_interval.tv_sec = interval; |
989 | newit.it_interval.tv_usec = |
990 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
991 | if (setitimer(which, &newit, &oldit) == 0) { |
992 | EXTEND(sp, 1); |
993 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
994 | if (GIMME == G_ARRAY) { |
995 | EXTEND(sp, 1); |
996 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
997 | } |
998 | } |
999 | |
1000 | void |
1001 | getitimer(which) |
1002 | int which |
1003 | PREINIT: |
1004 | struct itimerval nowit; |
1005 | PPCODE: |
1006 | if (getitimer(which, &nowit) == 0) { |
1007 | EXTEND(sp, 1); |
1008 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
1009 | if (GIMME == G_ARRAY) { |
1010 | EXTEND(sp, 1); |
1011 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
1012 | } |
1013 | } |
1014 | |
44d3ce20 |
1015 | #endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */ |
1016 | |
ced84e60 |
1017 | #if defined(TIME_HIRES_CLOCK_GETTIME) |
1018 | |
1019 | NV |
1020 | clock_gettime(clock_id = CLOCK_REALTIME) |
1021 | int clock_id |
1022 | PREINIT: |
1023 | struct timespec ts; |
1024 | int status = -1; |
1025 | CODE: |
1026 | #ifdef TIME_HIRES_CLOCK_GETTIME_SYSCALL |
1027 | status = syscall(SYS_clock_gettime, clock_id, &ts); |
1028 | #else |
1029 | status = clock_gettime(clock_id, &ts); |
1030 | #endif |
1031 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; |
1032 | |
1033 | OUTPUT: |
1034 | RETVAL |
1035 | |
1036 | #else /* if defined(TIME_HIRES_CLOCK_GETTIME) */ |
1037 | |
1038 | NV |
1039 | clock_gettime(clock_id = 0) |
1040 | int clock_id |
1041 | CODE: |
1042 | croak("Time::HiRes::clock_gettime(): unimplemented in this platform"); |
1043 | RETVAL = 0.0; |
1044 | |
1045 | #endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) */ |
1046 | |
1047 | #if defined(TIME_HIRES_CLOCK_GETRES) |
1048 | |
1049 | NV |
1050 | clock_getres(clock_id = CLOCK_REALTIME) |
1051 | int clock_id |
1052 | PREINIT: |
1053 | int status = -1; |
1054 | struct timespec ts; |
1055 | CODE: |
1056 | #ifdef TIME_HIRES_CLOCK_GETRES_SYSCALL |
1057 | status = syscall(SYS_clock_getres, clock_id, &ts); |
1058 | #else |
1059 | status = clock_getres(clock_id, &ts); |
1060 | #endif |
1061 | RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1; |
1062 | |
1063 | OUTPUT: |
1064 | RETVAL |
1065 | |
1066 | #else /* if defined(TIME_HIRES_CLOCK_GETRES) */ |
1067 | |
1068 | NV |
1069 | clock_getres(clock_id = 0) |
1070 | int clock_id |
1071 | CODE: |
1072 | croak("Time::HiRes::clock_getres(): unimplemented in this platform"); |
1073 | RETVAL = 0.0; |
1074 | |
1075 | #endif /* #if defined(TIME_HIRES_CLOCK_GETRES) */ |
1076 | |