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23 | #define EV_NONE 0 |
23 | #define EV_NONE 0 |
24 | #define EV_UNDEF -1 |
24 | #define EV_UNDEF -1 |
25 | |
25 | |
26 | #define TIMEOUT_NONE HUGE_VAL |
26 | #define TIMEOUT_NONE HUGE_VAL |
27 | |
27 | |
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28 | #include "EV/EVAPI.h" |
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29 | |
28 | typedef struct event_base *Base; |
30 | typedef struct event_base *Base; |
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31 | typedef int Signal; |
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32 | |
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33 | static struct EVAPI evapi; |
29 | |
34 | |
30 | static HV *stash_base, *stash_event; |
35 | static HV *stash_base, *stash_event; |
31 | |
36 | |
32 | static double tv_get (struct timeval *tv) |
37 | static double tv_get (struct timeval *tv) |
33 | { |
38 | { |
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37 | static void tv_set (struct timeval *tv, double val) |
42 | static void tv_set (struct timeval *tv, double val) |
38 | { |
43 | { |
39 | tv->tv_sec = (long)val; |
44 | tv->tv_sec = (long)val; |
40 | tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6); |
45 | tv->tv_usec = (long)((val - (double)tv->tv_sec) * 1e6); |
41 | |
46 | |
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47 | } |
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48 | |
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49 | static int |
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50 | sv_signum (SV *sig) |
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51 | { |
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52 | int signum; |
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53 | |
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54 | if (SvIV (sig) > 0) |
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55 | return SvIV (sig); |
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56 | |
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57 | for (signum = 1; signum < SIG_SIZE; ++signum) |
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58 | if (strEQ (SvPV_nolen (sig), PL_sig_name [signum])) |
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59 | return signum; |
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60 | |
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61 | return -1; |
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62 | } |
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63 | |
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64 | static void |
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65 | api_once (int fd, short events, double timeout, void (*cb)(int, short, void *), void *arg) |
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66 | { |
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67 | if (timeout >= 0.) |
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68 | { |
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69 | struct timeval tv; |
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70 | tv_set (&tv, timeout); |
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71 | event_once (fd, events, cb, arg, &tv); |
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72 | } |
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73 | else |
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74 | event_once (fd, events, cb, arg, 0); |
42 | } |
75 | } |
43 | |
76 | |
44 | ///////////////////////////////////////////////////////////////////////////// |
77 | ///////////////////////////////////////////////////////////////////////////// |
45 | // Event |
78 | // Event |
46 | |
79 | |
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53 | unsigned char active; |
86 | unsigned char active; |
54 | unsigned char abstime; |
87 | unsigned char abstime; |
55 | } *Event; |
88 | } *Event; |
56 | |
89 | |
57 | static double |
90 | static double |
58 | e_now () |
91 | e_now (void) |
59 | { |
92 | { |
60 | struct timeval tv; |
93 | struct timeval tv; |
61 | gettimeofday (&tv, 0); |
94 | gettimeofday (&tv, 0); |
62 | |
95 | |
63 | return tv_get (&tv); |
96 | return tv_get (&tv); |
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165 | static void |
198 | static void |
166 | e_cb (int fd, short events, void *arg) |
199 | e_cb (int fd, short events, void *arg) |
167 | { |
200 | { |
168 | struct ev *ev = (struct ev*)arg; |
201 | struct ev *ev = (struct ev*)arg; |
169 | dSP; |
202 | dSP; |
170 | |
203 | I32 mark = SP - PL_stack_base; |
171 | ENTER; |
204 | SV *sv_self, *sv_events; |
172 | SAVETMPS; |
205 | static SV *sv_events_cache; |
173 | |
206 | |
174 | if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT)) |
207 | if (!(ev->ev.ev_events & EV_PERSIST) || (events & EV_TIMEOUT)) |
175 | ev->active = 0; |
208 | ev->active = 0; |
176 | |
209 | |
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210 | sv_self = e_self (ev); |
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211 | |
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212 | if (sv_events_cache) |
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213 | { |
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214 | sv_events = sv_events_cache; sv_events_cache = 0; |
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215 | SvIV_set (sv_events, events); |
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216 | } |
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217 | else |
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218 | sv_events = newSViv (events); |
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219 | |
177 | PUSHMARK (SP); |
220 | PUSHMARK (SP); |
178 | EXTEND (SP, 2); |
221 | EXTEND (SP, 2); |
179 | PUSHs (sv_2mortal (e_self (ev))); |
222 | PUSHs (sv_self); |
180 | PUSHs (sv_2mortal (newSViv (events))); |
223 | PUSHs (sv_events); |
181 | PUTBACK; |
224 | PUTBACK; |
182 | call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL); |
225 | call_sv (ev->cb, G_DISCARD | G_VOID | G_EVAL); |
183 | /*TODO: if err, call some logging function */ |
226 | SP = PL_stack_base + mark; PUTBACK; |
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227 | |
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228 | SvREFCNT_dec (sv_self); |
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229 | |
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230 | if (sv_events_cache) |
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231 | SvREFCNT_dec (sv_events); |
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232 | else |
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233 | sv_events_cache = sv_events; |
184 | |
234 | |
185 | if (ev->interval && !ev->active) |
235 | if (ev->interval && !ev->active) |
186 | e_start (ev); |
236 | e_start (ev); |
187 | |
237 | |
188 | FREETMPS; |
238 | if (SvTRUE (ERRSV)) |
189 | LEAVE; |
239 | { |
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240 | PUSHMARK (SP); |
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241 | PUTBACK; |
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242 | call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR); |
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243 | SP = PL_stack_base + mark; PUTBACK; |
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244 | } |
190 | } |
245 | } |
191 | |
246 | |
192 | ///////////////////////////////////////////////////////////////////////////// |
247 | ///////////////////////////////////////////////////////////////////////////// |
193 | // DNS |
248 | // DNS |
194 | |
249 | |
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228 | |
283 | |
229 | PUTBACK; |
284 | PUTBACK; |
230 | call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL); |
285 | call_sv (sv_2mortal (cb), G_DISCARD | G_VOID | G_EVAL); |
231 | |
286 | |
232 | FREETMPS; |
287 | FREETMPS; |
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288 | |
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289 | if (SvTRUE (ERRSV)) |
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290 | { |
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291 | PUSHMARK (SP); |
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292 | PUTBACK; |
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293 | call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR); |
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294 | } |
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295 | |
233 | LEAVE; |
296 | LEAVE; |
234 | } |
297 | } |
235 | |
298 | |
236 | ///////////////////////////////////////////////////////////////////////////// |
299 | ///////////////////////////////////////////////////////////////////////////// |
237 | // XS interface functions |
300 | // XS interface functions |
238 | |
301 | |
239 | MODULE = EV PACKAGE = EV PREFIX = event_ |
302 | MODULE = EV PACKAGE = EV PREFIX = event_ |
240 | |
303 | |
241 | BOOT: |
304 | BOOT: |
242 | { |
305 | { |
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306 | int i; |
243 | HV *stash = gv_stashpv ("EV", 1); |
307 | HV *stash = gv_stashpv ("EV", 1); |
244 | |
308 | |
245 | static const struct { |
309 | static const struct { |
246 | const char *name; |
310 | const char *name; |
247 | IV iv; |
311 | IV iv; |
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265 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
329 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
266 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
330 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
267 | |
331 | |
268 | stash_base = gv_stashpv ("EV::Base" , 1); |
332 | stash_base = gv_stashpv ("EV::Base" , 1); |
269 | stash_event = gv_stashpv ("EV::Event", 1); |
333 | stash_event = gv_stashpv ("EV::Event", 1); |
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334 | |
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335 | { |
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336 | SV *sv = perl_get_sv ("EV::API", TRUE); |
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337 | perl_get_sv ("EV::API", TRUE); /* silence 5.10 warning */ |
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338 | |
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339 | evapi.ver = EV_API_VERSION; |
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340 | evapi.rev = EV_API_REVISION; |
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341 | evapi.now = e_now; |
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342 | evapi.once = api_once; |
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343 | evapi.loop = event_loop; |
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344 | |
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345 | sv_setiv (sv, (IV)&evapi); |
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346 | SvREADONLY_on (sv); |
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347 | } |
270 | } |
348 | } |
271 | |
349 | |
272 | double now () |
350 | double now () |
273 | CODE: |
351 | CODE: |
274 | RETVAL = e_now (); |
352 | RETVAL = e_now (); |
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309 | ALIAS: |
387 | ALIAS: |
310 | io_ns = 1 |
388 | io_ns = 1 |
311 | CODE: |
389 | CODE: |
312 | RETVAL = e_new (fh, events, cb); |
390 | RETVAL = e_new (fh, events, cb); |
313 | if (!ix) e_start (RETVAL); |
391 | if (!ix) e_start (RETVAL); |
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392 | OUTPUT: |
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393 | RETVAL |
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394 | |
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395 | Event timed_io (SV *fh, short events, double timeout, SV *cb) |
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396 | ALIAS: |
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397 | timed_io_ns = 1 |
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398 | CODE: |
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399 | { |
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400 | events = timeout ? events & ~EV_PERSIST : events | EV_PERSIST; |
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401 | |
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402 | RETVAL = e_new (fh, events, cb); |
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403 | |
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404 | if (timeout) |
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405 | { |
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406 | RETVAL->timeout = timeout; |
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407 | RETVAL->interval = 1; |
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408 | } |
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409 | |
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410 | if (!ix) e_start (RETVAL); |
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411 | } |
314 | OUTPUT: |
412 | OUTPUT: |
315 | RETVAL |
413 | RETVAL |
316 | |
414 | |
317 | Event timer (double after, int repeat, SV *cb) |
415 | Event timer (double after, int repeat, SV *cb) |
318 | ALIAS: |
416 | ALIAS: |
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335 | RETVAL->abstime = 1; |
433 | RETVAL->abstime = 1; |
336 | if (!ix) e_start (RETVAL); |
434 | if (!ix) e_start (RETVAL); |
337 | OUTPUT: |
435 | OUTPUT: |
338 | RETVAL |
436 | RETVAL |
339 | |
437 | |
340 | Event signal (SV *signal, SV *cb) |
438 | Event signal (Signal signum, SV *cb) |
341 | ALIAS: |
439 | ALIAS: |
342 | signal_ns = 1 |
440 | signal_ns = 1 |
343 | CODE: |
441 | CODE: |
344 | RETVAL = e_new (signal, EV_SIGNAL | EV_PERSIST, cb); |
442 | RETVAL = e_new (ST (0), EV_SIGNAL | EV_PERSIST, cb); |
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443 | RETVAL->ev.ev_fd = signum; |
345 | if (!ix) e_start (RETVAL); |
444 | if (!ix) e_start (RETVAL); |
346 | OUTPUT: |
445 | OUTPUT: |
347 | RETVAL |
446 | RETVAL |
348 | |
447 | |
349 | PROTOTYPES: DISABLE |
448 | PROTOTYPES: DISABLE |
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420 | sv_setsv (ev->cb, new_cb); |
519 | sv_setsv (ev->cb, new_cb); |
421 | OUTPUT: |
520 | OUTPUT: |
422 | RETVAL |
521 | RETVAL |
423 | |
522 | |
424 | SV *fh (Event ev, SV *new_fh = 0) |
523 | SV *fh (Event ev, SV *new_fh = 0) |
425 | ALIAS: |
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426 | signal = 0 |
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427 | CODE: |
524 | CODE: |
428 | RETVAL = newSVsv (ev->fh); |
525 | RETVAL = newSVsv (ev->fh); |
429 | if (items > 1) |
526 | if (items > 1) |
430 | { |
527 | { |
431 | if (ev->active) event_del (&ev->ev); |
528 | if (ev->active) event_del (&ev->ev); |
432 | sv_setsv (ev->fh, new_fh); |
529 | sv_setsv (ev->fh, new_fh); |
433 | ev->ev.ev_fd = sv_fileno (ev->fh); |
530 | ev->ev.ev_fd = sv_fileno (ev->fh); |
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531 | ev->ev.ev_events &= ev->ev.ev_events & ~EV_SIGNAL; |
434 | if (ev->active) event_add (&ev->ev, e_tv (ev)); |
532 | if (ev->active) event_add (&ev->ev, e_tv (ev)); |
435 | } |
533 | } |
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534 | OUTPUT: |
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535 | RETVAL |
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536 | |
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537 | SV *signal (Event ev, SV *new_signal = 0) |
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538 | CODE: |
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539 | { |
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540 | Signal signum; |
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541 | |
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542 | if (items > 1) |
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543 | signum = sv_signum (new_signal); /* may croak here */ |
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544 | |
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545 | RETVAL = newSVsv (ev->fh); |
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546 | |
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547 | if (items > 1) |
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548 | { |
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549 | if (ev->active) event_del (&ev->ev); |
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550 | sv_setsv (ev->fh, new_signal); |
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551 | ev->ev.ev_fd = signum; |
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552 | ev->ev.ev_events |= EV_SIGNAL; |
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553 | if (ev->active) event_add (&ev->ev, e_tv (ev)); |
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554 | } |
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555 | } |
436 | OUTPUT: |
556 | OUTPUT: |
437 | RETVAL |
557 | RETVAL |
438 | |
558 | |
439 | short events (Event ev, short new_events = EV_UNDEF) |
559 | short events (Event ev, short new_events = EV_UNDEF) |
440 | CODE: |
560 | CODE: |
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535 | CODE: |
655 | CODE: |
536 | { |
656 | { |
537 | STRLEN len; |
657 | STRLEN len; |
538 | char *data = SvPVbyte (addr, len); |
658 | char *data = SvPVbyte (addr, len); |
539 | if (len != (ix ? 16 : 4)) |
659 | if (len != (ix ? 16 : 4)) |
540 | croak ("ipv4/ipv6 address to resolve must be given as 4/16 byte octet string"); |
660 | croak ("ipv4/ipv6 address to be resolved must be given as 4/16 byte octet string"); |
541 | |
661 | |
542 | RETVAL = ix |
662 | RETVAL = ix |
543 | ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)) |
663 | ? evdns_resolve_reverse_ipv6 ((struct in6_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)) |
544 | : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)); |
664 | : evdns_resolve_reverse ((struct in_addr *)data, flags, dns_cb, (void *)SvREFCNT_inc (cb)); |
545 | } |
665 | } |