Commit | Line | Data |
dcf686c9 |
1 | #ifdef __cplusplus |
2 | extern "C" { |
3 | #endif |
4 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #ifdef WIN32 |
8 | #include <time.h> |
9 | #else |
10 | #include <sys/time.h> |
11 | #endif |
12 | #ifdef __cplusplus |
13 | } |
14 | #endif |
15 | |
3c72ec00 |
16 | static IV |
17 | constant(char *name, int arg) |
18 | { |
19 | errno = 0; |
20 | switch (*name) { |
21 | case 'I': |
22 | if (strEQ(name, "ITIMER_REAL")) |
23 | #ifdef ITIMER_REAL |
24 | return ITIMER_REAL; |
25 | #else |
26 | goto not_there; |
27 | #endif |
28 | if (strEQ(name, "ITIMER_REALPROF")) |
29 | #ifdef ITIMER_REALPROF |
30 | return ITIMER_REALPROF; |
31 | #else |
32 | goto not_there; |
33 | #endif |
34 | if (strEQ(name, "ITIMER_VIRTUAL")) |
35 | #ifdef ITIMER_VIRTUAL |
36 | return ITIMER_VIRTUAL; |
37 | #else |
38 | goto not_there; |
39 | #endif |
40 | if (strEQ(name, "ITIMER_PROF")) |
41 | #ifdef ITIMER_PROF |
42 | return ITIMER_PROF; |
43 | #else |
44 | goto not_there; |
45 | #endif |
46 | break; |
47 | } |
48 | errno = EINVAL; |
49 | return 0; |
50 | |
51 | not_there: |
52 | errno = ENOENT; |
53 | return 0; |
54 | } |
55 | |
dcf686c9 |
56 | #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32) |
57 | #define HAS_GETTIMEOFDAY |
58 | |
59 | /* shows up in winsock.h? |
60 | struct timeval { |
61 | long tv_sec; |
62 | long tv_usec; |
63 | } |
64 | */ |
65 | |
66 | int |
67 | gettimeofday (struct timeval *tp, int nothing) |
68 | { |
69 | SYSTEMTIME st; |
70 | time_t tt; |
71 | struct tm tmtm; |
72 | /* mktime converts local to UTC */ |
73 | GetLocalTime (&st); |
74 | tmtm.tm_sec = st.wSecond; |
75 | tmtm.tm_min = st.wMinute; |
76 | tmtm.tm_hour = st.wHour; |
77 | tmtm.tm_mday = st.wDay; |
78 | tmtm.tm_mon = st.wMonth - 1; |
79 | tmtm.tm_year = st.wYear - 1900; |
80 | tmtm.tm_isdst = -1; |
81 | tt = mktime (&tmtm); |
82 | tp->tv_sec = tt; |
83 | tp->tv_usec = st.wMilliseconds * 1000; |
84 | return 0; |
85 | } |
86 | #endif |
87 | |
88 | #if !defined(HAS_GETTIMEOFDAY) && defined(VMS) |
89 | #define HAS_GETTIMEOFDAY |
90 | |
91 | #include <time.h> /* gettimeofday */ |
92 | #include <stdlib.h> /* qdiv */ |
93 | #include <starlet.h> /* sys$gettim */ |
94 | #include <descrip.h> |
95 | |
96 | /* |
97 | VMS binary time is expressed in 100 nano-seconds since |
98 | system base time which is 17-NOV-1858 00:00:00.00 |
99 | */ |
100 | |
101 | #define DIV_100NS_TO_SECS 10000000L |
102 | #define DIV_100NS_TO_USECS 10L |
103 | |
104 | /* |
105 | gettimeofday is supposed to return times since the epoch |
106 | so need to determine this in terms of VMS base time |
107 | */ |
108 | static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00"); |
109 | |
110 | static __int64 base_adjust=0; |
111 | |
112 | int |
113 | gettimeofday (struct timeval *tp, void *tpz) |
114 | { |
115 | long ret; |
116 | __int64 quad; |
117 | __qdiv_t ans1,ans2; |
118 | |
119 | /* |
120 | In case of error, tv_usec = 0 and tv_sec = VMS condition code. |
121 | The return from function is also set to -1. |
122 | This is not exactly as per the manual page. |
123 | */ |
124 | |
125 | tp->tv_usec = 0; |
126 | |
127 | if (base_adjust==0) { /* Need to determine epoch adjustment */ |
128 | ret=sys$bintim(&dscepoch,&base_adjust); |
129 | if (1 != (ret &&1)) { |
130 | tp->tv_sec = ret; |
131 | return -1; |
132 | } |
133 | } |
134 | |
135 | ret=sys$gettim(&quad); /* Get VMS system time */ |
136 | if ((1 && ret) == 1) { |
137 | quad -= base_adjust; /* convert to epoch offset */ |
138 | ans1=qdiv(quad,DIV_100NS_TO_SECS); |
139 | ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS); |
140 | tp->tv_sec = ans1.quot; /* Whole seconds */ |
141 | tp->tv_usec = ans2.quot; /* Micro-seconds */ |
142 | } else { |
143 | tp->tv_sec = ret; |
144 | return -1; |
145 | } |
146 | return 0; |
147 | } |
148 | #endif |
149 | |
150 | #if !defined(HAS_USLEEP) && defined(HAS_SELECT) |
151 | #ifndef SELECT_IS_BROKEN |
152 | #define HAS_USLEEP |
153 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
154 | |
155 | void |
156 | hrt_usleep(unsigned long usec) |
157 | { |
158 | struct timeval tv; |
159 | tv.tv_sec = 0; |
160 | tv.tv_usec = usec; |
161 | select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL, |
162 | (Select_fd_set_t)NULL, &tv); |
163 | } |
164 | #endif |
165 | #endif |
166 | |
167 | #if !defined(HAS_USLEEP) && defined(WIN32) |
168 | #define HAS_USLEEP |
169 | #define usleep hrt_usleep /* could conflict with ncurses for static build */ |
170 | |
171 | void |
172 | hrt_usleep(unsigned long usec) |
173 | { |
174 | long msec; |
175 | msec = usec / 1000; |
176 | Sleep (msec); |
177 | } |
178 | #endif |
179 | |
180 | |
181 | #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) |
182 | #define HAS_UALARM |
183 | #define ualarm hrt_ualarm /* could conflict with ncurses for static build */ |
184 | |
185 | int |
186 | hrt_ualarm(int usec, int interval) |
187 | { |
188 | struct itimerval itv; |
189 | itv.it_value.tv_sec = usec / 1000000; |
190 | itv.it_value.tv_usec = usec % 1000000; |
191 | itv.it_interval.tv_sec = interval / 1000000; |
192 | itv.it_interval.tv_usec = interval % 1000000; |
193 | return setitimer(ITIMER_REAL, &itv, 0); |
194 | } |
195 | #endif |
196 | |
197 | #ifdef HAS_GETTIMEOFDAY |
198 | |
a2e20b18 |
199 | static int |
dcf686c9 |
200 | myU2time(UV *ret) |
201 | { |
202 | struct timeval Tp; |
203 | int status; |
204 | status = gettimeofday (&Tp, NULL); |
205 | ret[0] = Tp.tv_sec; |
206 | ret[1] = Tp.tv_usec; |
a2e20b18 |
207 | return status; |
dcf686c9 |
208 | } |
209 | |
3c72ec00 |
210 | static NV |
dcf686c9 |
211 | myNVtime() |
212 | { |
213 | struct timeval Tp; |
214 | int status; |
215 | status = gettimeofday (&Tp, NULL); |
a2e20b18 |
216 | return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0; |
dcf686c9 |
217 | } |
218 | |
219 | #endif |
220 | |
221 | MODULE = Time::HiRes PACKAGE = Time::HiRes |
222 | |
223 | PROTOTYPES: ENABLE |
224 | |
225 | BOOT: |
dcf686c9 |
226 | #ifdef HAS_GETTIMEOFDAY |
a2e20b18 |
227 | { |
228 | UV auv[2]; |
229 | hv_store(PL_modglobal, "Time::NVtime", 12, newSViv((IV) myNVtime()), 0); |
230 | if (myU2time(auv) == 0) |
231 | hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0); |
232 | } |
dcf686c9 |
233 | #endif |
dcf686c9 |
234 | |
3c72ec00 |
235 | IV |
236 | constant(name, arg) |
237 | char * name |
238 | int arg |
239 | |
dcf686c9 |
240 | #ifdef HAS_USLEEP |
241 | |
242 | void |
243 | usleep(useconds) |
244 | int useconds |
245 | |
246 | void |
247 | sleep(fseconds) |
3c72ec00 |
248 | NV fseconds |
dcf686c9 |
249 | CODE: |
250 | int useconds = fseconds * 1000000; |
251 | usleep (useconds); |
252 | |
253 | #endif |
254 | |
255 | #ifdef HAS_UALARM |
256 | |
257 | int |
258 | ualarm(useconds,interval=0) |
259 | int useconds |
260 | int interval |
261 | |
262 | int |
263 | alarm(fseconds,finterval=0) |
3c72ec00 |
264 | NV fseconds |
265 | NV finterval |
dcf686c9 |
266 | PREINIT: |
267 | int useconds, uinterval; |
268 | CODE: |
269 | useconds = fseconds * 1000000; |
270 | uinterval = finterval * 1000000; |
271 | RETVAL = ualarm (useconds, uinterval); |
272 | |
c6c619a9 |
273 | OUTPUT: |
274 | RETVAL |
275 | |
dcf686c9 |
276 | #endif |
277 | |
278 | #ifdef HAS_GETTIMEOFDAY |
279 | |
280 | void |
281 | gettimeofday() |
282 | PREINIT: |
283 | struct timeval Tp; |
284 | PPCODE: |
285 | int status; |
286 | status = gettimeofday (&Tp, NULL); |
287 | if (GIMME == G_ARRAY) { |
288 | EXTEND(sp, 2); |
289 | PUSHs(sv_2mortal(newSViv(Tp.tv_sec))); |
290 | PUSHs(sv_2mortal(newSViv(Tp.tv_usec))); |
291 | } else { |
292 | EXTEND(sp, 1); |
293 | PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0)))); |
294 | } |
295 | |
3c72ec00 |
296 | NV |
dcf686c9 |
297 | time() |
298 | PREINIT: |
299 | struct timeval Tp; |
300 | CODE: |
301 | int status; |
302 | status = gettimeofday (&Tp, NULL); |
303 | RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.); |
304 | OUTPUT: |
305 | RETVAL |
306 | |
307 | #endif |
308 | |
3c72ec00 |
309 | #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) |
310 | |
311 | #define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec)) |
312 | |
313 | void |
314 | setitimer(which, seconds, interval = 0) |
315 | int which |
316 | NV seconds |
317 | NV interval |
318 | PREINIT: |
319 | struct itimerval newit; |
320 | struct itimerval oldit; |
321 | PPCODE: |
322 | newit.it_value.tv_sec = seconds; |
323 | newit.it_value.tv_usec = |
324 | (seconds - (NV)newit.it_value.tv_sec) * 1000000.0; |
325 | newit.it_interval.tv_sec = interval; |
326 | newit.it_interval.tv_usec = |
327 | (interval - (NV)newit.it_interval.tv_sec) * 1000000.0; |
328 | if (setitimer(which, &newit, &oldit) == 0) { |
329 | EXTEND(sp, 1); |
330 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value)))); |
331 | if (GIMME == G_ARRAY) { |
332 | EXTEND(sp, 1); |
333 | PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval)))); |
334 | } |
335 | } |
336 | |
337 | void |
338 | getitimer(which) |
339 | int which |
340 | PREINIT: |
341 | struct itimerval nowit; |
342 | PPCODE: |
343 | if (getitimer(which, &nowit) == 0) { |
344 | EXTEND(sp, 1); |
345 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value)))); |
346 | if (GIMME == G_ARRAY) { |
347 | EXTEND(sp, 1); |
348 | PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval)))); |
349 | } |
350 | } |
351 | |
352 | #endif |
353 | |
dcf686c9 |
354 | # $Id: HiRes.xs,v 1.11 1999/03/16 02:27:38 wegscd Exp wegscd $ |
355 | |
356 | # $Log: HiRes.xs,v $ |
357 | # Revision 1.11 1999/03/16 02:27:38 wegscd |
358 | # Add U2time, NVtime. Fix symbols for static link. |
359 | # |
360 | # Revision 1.10 1998/09/30 02:36:25 wegscd |
361 | # Add VMS changes. |
362 | # |
363 | # Revision 1.9 1998/07/07 02:42:06 wegscd |
364 | # Win32 usleep() |
365 | # |
366 | # Revision 1.8 1998/07/02 01:47:26 wegscd |
367 | # Add Win32 code for gettimeofday. |
368 | # |
369 | # Revision 1.7 1997/11/13 02:08:12 wegscd |
370 | # Add missing EXTEND in gettimeofday() scalar code. |
371 | # |
372 | # Revision 1.6 1997/11/11 02:32:35 wegscd |
373 | # Do something useful when calling gettimeofday() in a scalar context. |
374 | # The patch is courtesy of Gisle Aas. |
375 | # |
376 | # Revision 1.5 1997/11/06 03:10:47 wegscd |
377 | # Fake ualarm() if we have setitimer. |
378 | # |
379 | # Revision 1.4 1997/11/05 05:41:23 wegscd |
380 | # Turn prototypes ON (suggested by Gisle Aas) |
381 | # |
382 | # Revision 1.3 1997/10/13 20:56:15 wegscd |
383 | # Add PROTOTYPES: DISABLE |
384 | # |
385 | # Revision 1.2 1997/05/23 01:01:38 wegscd |
386 | # Conditional compilation, depending on what the OS gives us. |
387 | # |
388 | # Revision 1.1 1996/09/03 18:26:35 wegscd |
389 | # Initial revision |
390 | # |
391 | # |