17 constant(char *name, int arg)
22 if (strEQ(name, "ITIMER_REAL"))
28 if (strEQ(name, "ITIMER_REALPROF"))
29 #ifdef ITIMER_REALPROF
30 return ITIMER_REALPROF;
34 if (strEQ(name, "ITIMER_VIRTUAL"))
36 return ITIMER_VIRTUAL;
40 if (strEQ(name, "ITIMER_PROF"))
56 #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32)
57 #define HAS_GETTIMEOFDAY
59 /* shows up in winsock.h?
65 #include <sys/timeb.h>
68 gettimeofday (struct timeval *tp, int nothing)
70 struct _timeb timebuffer;
71 _ftime( &timebuffer );
72 tp->tv_sec = timebuffer.time;
73 tp->tv_usec = timebuffer.millitm * 1000;
78 #if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
79 #define HAS_GETTIMEOFDAY
81 #include <time.h> /* gettimeofday */
82 #include <stdlib.h> /* qdiv */
83 #include <starlet.h> /* sys$gettim */
86 #include <lib$routines.h> /* lib$ediv() */
90 VMS binary time is expressed in 100 nano-seconds since
91 system base time which is 17-NOV-1858 00:00:00.00
94 #define DIV_100NS_TO_SECS 10000000L
95 #define DIV_100NS_TO_USECS 10L
98 gettimeofday is supposed to return times since the epoch
99 so need to determine this in terms of VMS base time
101 static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00");
104 static long base_adjust[2]={0L,0L};
106 static __int64 base_adjust=0;
110 gettimeofday (struct timeval *tp, void *tpz)
116 long div_100ns_to_secs;
117 long div_100ns_to_usecs;
125 In case of error, tv_usec = 0 and tv_sec = VMS condition code.
126 The return from function is also set to -1.
127 This is not exactly as per the manual page.
133 if (base_adjust[0]==0 && base_adjust[1]==0) {
135 if (base_adjust==0) { /* Need to determine epoch adjustment */
137 ret=sys$bintim(&dscepoch,&base_adjust);
138 if (1 != (ret &&1)) {
144 ret=sys$gettim(&quad); /* Get VMS system time */
145 if ((1 && ret) == 1) {
147 quad[0] -= base_adjust[0]; /* convert to epoch offset */
148 quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */
149 div_100ns_to_secs = DIV_100NS_TO_SECS;
150 div_100ns_to_usecs = DIV_100NS_TO_USECS;
151 lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem);
154 lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1);
155 tp->tv_sec = quo; /* Whole seconds */
156 tp->tv_usec = quo1; /* Micro-seconds */
158 quad -= base_adjust; /* convert to epoch offset */
159 ans1=qdiv(quad,DIV_100NS_TO_SECS);
160 ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS);
161 tp->tv_sec = ans1.quot; /* Whole seconds */
162 tp->tv_usec = ans2.quot; /* Micro-seconds */
172 #if !defined(HAS_USLEEP) && defined(HAS_SELECT)
173 #ifndef SELECT_IS_BROKEN
175 #define usleep hrt_usleep /* could conflict with ncurses for static build */
178 hrt_usleep(unsigned long usec)
183 select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL,
184 (Select_fd_set_t)NULL, &tv);
189 #if !defined(HAS_USLEEP) && defined(WIN32)
191 #define usleep hrt_usleep /* could conflict with ncurses for static build */
194 hrt_usleep(unsigned long usec)
203 #if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
205 #define ualarm hrt_ualarm /* could conflict with ncurses for static build */
208 hrt_ualarm(int usec, int interval)
210 struct itimerval itv;
211 itv.it_value.tv_sec = usec / 1000000;
212 itv.it_value.tv_usec = usec % 1000000;
213 itv.it_interval.tv_sec = interval / 1000000;
214 itv.it_interval.tv_usec = interval % 1000000;
215 return setitimer(ITIMER_REAL, &itv, 0);
219 #ifdef HAS_GETTIMEOFDAY
226 status = gettimeofday (&Tp, NULL);
237 status = gettimeofday (&Tp, NULL);
238 return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0;
243 MODULE = Time::HiRes PACKAGE = Time::HiRes
248 #ifdef HAS_GETTIMEOFDAY
251 hv_store(PL_modglobal, "Time::NVtime", 12, newSViv((IV) myNVtime()), 0);
252 if (myU2time(auv) == 0)
253 hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0);
273 usleep((int)(SvNV(ST(0)) * 1000000));
282 ualarm(useconds,interval=0)
287 alarm(fseconds,finterval=0)
291 int useconds, uinterval;
293 useconds = fseconds * 1000000;
294 uinterval = finterval * 1000000;
295 RETVAL = ualarm (useconds, uinterval);
302 #ifdef HAS_GETTIMEOFDAY
310 status = gettimeofday (&Tp, NULL);
311 if (GIMME == G_ARRAY) {
313 PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
314 PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
317 PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
326 status = gettimeofday (&Tp, NULL);
327 RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.);
333 #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
335 #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec))
338 setitimer(which, seconds, interval = 0)
343 struct itimerval newit;
344 struct itimerval oldit;
346 newit.it_value.tv_sec = seconds;
347 newit.it_value.tv_usec =
348 (seconds - (NV)newit.it_value.tv_sec) * 1000000.0;
349 newit.it_interval.tv_sec = interval;
350 newit.it_interval.tv_usec =
351 (interval - (NV)newit.it_interval.tv_sec) * 1000000.0;
352 if (setitimer(which, &newit, &oldit) == 0) {
354 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value))));
355 if (GIMME == G_ARRAY) {
357 PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval))));
365 struct itimerval nowit;
367 if (getitimer(which, &nowit) == 0) {
369 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value))));
370 if (GIMME == G_ARRAY) {
372 PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval))));
378 # $Id: HiRes.xs,v 1.11 1999/03/16 02:27:38 wegscd Exp wegscd $
381 # Revision 1.11 1999/03/16 02:27:38 wegscd
382 # Add U2time, NVtime. Fix symbols for static link.
384 # Revision 1.10 1998/09/30 02:36:25 wegscd
387 # Revision 1.9 1998/07/07 02:42:06 wegscd
390 # Revision 1.8 1998/07/02 01:47:26 wegscd
391 # Add Win32 code for gettimeofday.
393 # Revision 1.7 1997/11/13 02:08:12 wegscd
394 # Add missing EXTEND in gettimeofday() scalar code.
396 # Revision 1.6 1997/11/11 02:32:35 wegscd
397 # Do something useful when calling gettimeofday() in a scalar context.
398 # The patch is courtesy of Gisle Aas.
400 # Revision 1.5 1997/11/06 03:10:47 wegscd
401 # Fake ualarm() if we have setitimer.
403 # Revision 1.4 1997/11/05 05:41:23 wegscd
404 # Turn prototypes ON (suggested by Gisle Aas)
406 # Revision 1.3 1997/10/13 20:56:15 wegscd
407 # Add PROTOTYPES: DISABLE
409 # Revision 1.2 1997/05/23 01:01:38 wegscd
410 # Conditional compilation, depending on what the OS gives us.
412 # Revision 1.1 1996/09/03 18:26:35 wegscd