ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/EV/EV.xs
(Generate patch)

Comparing EV/EV.xs (file contents):
Revision 1.112 by root, Tue May 20 23:49:41 2008 UTC vs.
Revision 1.121 by root, Wed Apr 15 17:49:26 2009 UTC

… …
24 24
25#ifndef _WIN32 25#ifndef _WIN32
26# include <pthread.h> 26# include <pthread.h>
27#endif 27#endif
28 28
29/* 5.10.0 */
30#ifndef SvREFCNT_inc_NN
31# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
32#endif
33
34/* 5.6.x */
35#ifndef SvRV_set
36# define SvRV_set(a,b) SvRV ((a)) = (b)
37#endif
38
39#if __GNUC__ >= 3
40# define expect(expr,value) __builtin_expect ((expr),(value))
41#else
42# define expect(expr,value) (expr)
43#endif
44
45#define expect_false(expr) expect ((expr) != 0, 0)
46#define expect_true(expr) expect ((expr) != 0, 1)
47
29#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop)) 48#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX ((w)->loop))
30 49
31#define WFLAG_KEEPALIVE 1 50#define WFLAG_KEEPALIVE 1
51#define WFLAG_UNREFED 2 /* has been unref'ed */
32 52
33#define UNREF(w) \ 53#define UNREF(w) \
34 if (!((w)->e_flags & WFLAG_KEEPALIVE) \ 54 if (!((w)->e_flags & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
35 && !ev_is_active (w)) \ 55 && ev_is_active (w)) \
56 { \
36 ev_unref (e_loop (w)); 57 ev_unref (e_loop (w)); \
58 (w)->e_flags |= WFLAG_UNREFED; \
59 }
37 60
38#define REF(w) \ 61#define REF(w) \
39 if (!((w)->e_flags & WFLAG_KEEPALIVE) \ 62 if ((w)->e_flags & WFLAG_UNREFED) \
40 && ev_is_active (w)) \ 63 { \
64 (w)->e_flags &= ~WFLAG_UNREFED; \
41 ev_ref (e_loop (w)); 65 ev_ref (e_loop (w)); \
66 }
42 67
43#define START(type,w) \ 68#define START(type,w) \
44 do { \ 69 do { \
70 ev_ ## type ## _start (e_loop (w), w); \
45 UNREF (w); \ 71 UNREF (w); \
46 ev_ ## type ## _start (e_loop (w), w); \
47 } while (0) 72 } while (0)
48 73
49#define STOP(type,w) \ 74#define STOP(type,w) \
50 do { \ 75 do { \
51 REF (w); \ 76 REF (w); \
… …
143} 168}
144 169
145static void * 170static void *
146e_new (int size, SV *cb_sv, SV *loop) 171e_new (int size, SV *cb_sv, SV *loop)
147{ 172{
148 SV *cv = e_get_cv (cb_sv); 173 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
149 ev_watcher *w; 174 ev_watcher *w;
150 SV *self = NEWSV (0, size); 175 SV *self = NEWSV (0, size);
151 SvPOK_only (self); 176 SvPOK_only (self);
152 SvCUR_set (self, size); 177 SvCUR_set (self, size);
153 178
154 w = (ev_watcher *)SvPVX (self); 179 w = (ev_watcher *)SvPVX (self);
155 180
156 ev_init (w, e_cb); 181 ev_init (w, cv ? e_cb : 0);
157 182
158 w->loop = SvREFCNT_inc (SvRV (loop)); 183 w->loop = SvREFCNT_inc (SvRV (loop));
159 w->e_flags = WFLAG_KEEPALIVE; 184 w->e_flags = WFLAG_KEEPALIVE;
160 w->data = 0; 185 w->data = 0;
161 w->fh = 0; 186 w->fh = 0;
… …
191 } 216 }
192 217
193 return rv; 218 return rv;
194} 219}
195 220
196static SV *sv_events_cache; 221static SV *sv_self_cache, *sv_events_cache;
197 222
198static void 223static void
199e_cb (EV_P_ ev_watcher *w, int revents) 224e_cb (EV_P_ ev_watcher *w, int revents)
200{ 225{
201 dSP; 226 dSP;
202 I32 mark = SP - PL_stack_base; 227 I32 mark = SP - PL_stack_base;
203 SV *sv_self, *sv_events; 228 SV *sv_self, *sv_events;
204 229
230 /* libev might have stopped the watcher */
231 if (expect_false (w->e_flags & WFLAG_UNREFED)
232 && !ev_is_active (w))
233 REF (w);
234
235 if (expect_true (sv_self_cache))
236 {
237 sv_self = sv_self_cache; sv_self_cache = 0;
238 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
239 }
240 else
241 {
205 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */ 242 sv_self = newRV_inc (w->self); /* w->self MUST be blessed by now */
243 SvREADONLY_on (sv_self);
244 }
206 245
207 if (sv_events_cache) 246 if (expect_true (sv_events_cache))
208 { 247 {
209 sv_events = sv_events_cache; sv_events_cache = 0; 248 sv_events = sv_events_cache; sv_events_cache = 0;
210 SvIV_set (sv_events, revents); 249 SvIV_set (sv_events, revents);
211 } 250 }
212 else 251 else
252 {
213 sv_events = newSViv (revents); 253 sv_events = newSViv (revents);
254 SvREADONLY_on (sv_events);
255 }
214 256
215 PUSHMARK (SP); 257 PUSHMARK (SP);
216 EXTEND (SP, 2); 258 EXTEND (SP, 2);
217 PUSHs (sv_self); 259 PUSHs (sv_self);
218 PUSHs (sv_events); 260 PUSHs (sv_events);
219 261
220 PUTBACK; 262 PUTBACK;
221 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL); 263 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
222 264
265 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
223 SvREFCNT_dec (sv_self); 266 SvREFCNT_dec (sv_self);
267 else
268 {
269 SvREFCNT_dec (SvRV (sv_self));
270 SvRV_set (sv_self, &PL_sv_undef);
271 sv_self_cache = sv_self;
272 }
224 273
225 if (sv_events_cache) 274 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
226 SvREFCNT_dec (sv_events); 275 SvREFCNT_dec (sv_events);
227 else 276 else
228 sv_events_cache = sv_events; 277 sv_events_cache = sv_events;
229 278
230 if (SvTRUE (ERRSV)) 279 if (expect_false (SvTRUE (ERRSV)))
231 { 280 {
232 SPAGAIN; 281 SPAGAIN;
233 PUSHMARK (SP); 282 PUSHMARK (SP);
234 PUTBACK; 283 PUTBACK;
235 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR); 284 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
… …
411 evapi.loop_new = ev_loop_new; 460 evapi.loop_new = ev_loop_new;
412 evapi.loop_destroy = ev_loop_destroy; 461 evapi.loop_destroy = ev_loop_destroy;
413 evapi.loop_fork = ev_loop_fork; 462 evapi.loop_fork = ev_loop_fork;
414 evapi.loop_count = ev_loop_count; 463 evapi.loop_count = ev_loop_count;
415 evapi.now = ev_now; 464 evapi.now = ev_now;
465 evapi.now_update = ev_now_update;
416 evapi.backend = ev_backend; 466 evapi.backend = ev_backend;
417 evapi.unloop = ev_unloop; 467 evapi.unloop = ev_unloop;
418 evapi.ref = ev_ref; 468 evapi.ref = ev_ref;
419 evapi.unref = ev_unref; 469 evapi.unref = ev_unref;
420 evapi.loop = ev_loop; 470 evapi.loop = ev_loop;
… …
486 536
487unsigned int ev_recommended_backends () 537unsigned int ev_recommended_backends ()
488 538
489unsigned int ev_embeddable_backends () 539unsigned int ev_embeddable_backends ()
490 540
541void ev_sleep (NV interval)
542
491NV ev_time () 543NV ev_time ()
492 544
493NV ev_now () 545NV ev_now ()
546 C_ARGS: evapi.default_loop
547
548void ev_now_update ()
494 C_ARGS: evapi.default_loop 549 C_ARGS: evapi.default_loop
495 550
496unsigned int ev_backend () 551unsigned int ev_backend ()
497 C_ARGS: evapi.default_loop 552 C_ARGS: evapi.default_loop
498 553
… …
642 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval); 697 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
643 if (!ix) START (stat, RETVAL); 698 if (!ix) START (stat, RETVAL);
644 OUTPUT: 699 OUTPUT:
645 RETVAL 700 RETVAL
646 701
647ev_embed *embed (struct ev_loop *loop, SV *cb = &PL_sv_undef) 702ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
648 ALIAS: 703 ALIAS:
649 embed_ns = 1 704 embed_ns = 1
650 CODE: 705 CODE:
651{ 706{
652 if (!(ev_backend (loop) & ev_embeddable_backends ())) 707 if (!(ev_backend (loop) & ev_embeddable_backends ()))
653 croak ("passed loop is not embeddable via EV::embed,"); 708 croak ("passed loop is not embeddable via EV::embed,");
654 709
655 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv); 710 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
656 RETVAL->fh = newSVsv (ST (0)); 711 RETVAL->fh = newSVsv (ST (0));
657 ev_embed_set (RETVAL, loop); 712 ev_embed_set (RETVAL, loop);
658
659 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
660
661 if (!ix) START (embed, RETVAL); 713 if (!ix) START (embed, RETVAL);
662} 714}
663 OUTPUT: 715 OUTPUT:
664 RETVAL 716 RETVAL
665 717
… …
706 RETVAL = w->e_flags & WFLAG_KEEPALIVE; 758 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
707 new_value = new_value ? WFLAG_KEEPALIVE : 0; 759 new_value = new_value ? WFLAG_KEEPALIVE : 0;
708 760
709 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE)) 761 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
710 { 762 {
763 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
711 REF (w); 764 REF (w);
712 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
713 UNREF (w); 765 UNREF (w);
714 } 766 }
715} 767}
716 OUTPUT: 768 OUTPUT:
717 RETVAL 769 RETVAL
… …
892 944
893void ev_timer_again (ev_timer *w) 945void ev_timer_again (ev_timer *w)
894 INIT: 946 INIT:
895 CHECK_REPEAT (w->repeat); 947 CHECK_REPEAT (w->repeat);
896 CODE: 948 CODE:
897 REF (w);
898 ev_timer_again (e_loop (w), w); 949 ev_timer_again (e_loop (w), w);
899 UNREF (w); 950 UNREF (w);
900 951
901void DESTROY (ev_timer *w) 952void DESTROY (ev_timer *w)
902 CODE: 953 CODE:
… …
921 CODE: 972 CODE:
922 STOP (periodic, w); 973 STOP (periodic, w);
923 974
924void ev_periodic_again (ev_periodic *w) 975void ev_periodic_again (ev_periodic *w)
925 CODE: 976 CODE:
926 REF (w);
927 ev_periodic_again (e_loop (w), w); 977 ev_periodic_again (e_loop (w), w);
928 UNREF (w); 978 UNREF (w);
929 979
930void DESTROY (ev_periodic *w) 980void DESTROY (ev_periodic *w)
931 CODE: 981 CODE:
… …
1208 if (loop != evapi.default_loop) /* global destruction sucks */ 1258 if (loop != evapi.default_loop) /* global destruction sucks */
1209 ev_loop_destroy (loop); 1259 ev_loop_destroy (loop);
1210 1260
1211void ev_loop_fork (struct ev_loop *loop) 1261void ev_loop_fork (struct ev_loop *loop)
1212 1262
1263void ev_loop_verify (struct ev_loop *loop)
1264
1213NV ev_now (struct ev_loop *loop) 1265NV ev_now (struct ev_loop *loop)
1266
1267void ev_now_update (struct ev_loop *loop)
1214 1268
1215void ev_set_io_collect_interval (struct ev_loop *loop, NV interval) 1269void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1216 1270
1217void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval) 1271void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1218 1272
… …
1362 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval); 1416 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1363 if (!ix) START (stat, RETVAL); 1417 if (!ix) START (stat, RETVAL);
1364 OUTPUT: 1418 OUTPUT:
1365 RETVAL 1419 RETVAL
1366 1420
1367ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = &PL_sv_undef) 1421ev_embed *embed (struct ev_loop *loop, struct ev_loop *other, SV *cb = 0)
1368 ALIAS: 1422 ALIAS:
1369 embed_ns = 1 1423 embed_ns = 1
1370 CODE: 1424 CODE:
1371{ 1425{
1372 if (!(ev_backend (other) & ev_embeddable_backends ())) 1426 if (!(ev_backend (other) & ev_embeddable_backends ()))
1373 croak ("passed loop is not embeddable via EV::embed,"); 1427 croak ("passed loop is not embeddable via EV::embed,");
1374 1428
1375 RETVAL = e_new (sizeof (ev_embed), cb, ST (0)); 1429 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1376 RETVAL->fh = newSVsv (ST (1)); 1430 RETVAL->fh = newSVsv (ST (1));
1377 ev_embed_set (RETVAL, other); 1431 ev_embed_set (RETVAL, other);
1378
1379 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
1380
1381 if (!ix) START (embed, RETVAL); 1432 if (!ix) START (embed, RETVAL);
1382} 1433}
1383 OUTPUT: 1434 OUTPUT:
1384 RETVAL 1435 RETVAL
1385 1436

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines