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Comparing EV/EV.xs (file contents):
Revision 1.110 by root, Tue Apr 15 04:41:57 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); \
… …
127 return SvIV (fh); 152 return SvIV (fh);
128 153
129 return -1; 154 return -1;
130} 155}
131 156
157static SV *
158e_get_cv (SV *cb_sv)
159{
160 HV *st;
161 GV *gvp;
162 CV *cv = sv_2cv (cb_sv, &st, &gvp, 0);
163
164 if (!cv)
165 croak ("EV watcher callback must be a CODE reference");
166
167 return (SV *)cv;
168}
169
132static void * 170static void *
133e_new (int size, SV *cb_sv, SV *loop) 171e_new (int size, SV *cb_sv, SV *loop)
134{ 172{
173 SV *cv = cb_sv ? e_get_cv (cb_sv) : 0;
135 ev_watcher *w; 174 ev_watcher *w;
136 SV *self = NEWSV (0, size); 175 SV *self = NEWSV (0, size);
137 SvPOK_only (self); 176 SvPOK_only (self);
138 SvCUR_set (self, size); 177 SvCUR_set (self, size);
139 178
140 w = (ev_watcher *)SvPVX (self); 179 w = (ev_watcher *)SvPVX (self);
141 180
142 ev_init (w, e_cb); 181 ev_init (w, cv ? e_cb : 0);
143 182
144 w->loop = SvREFCNT_inc (SvRV (loop)); 183 w->loop = SvREFCNT_inc (SvRV (loop));
145 w->e_flags = WFLAG_KEEPALIVE; 184 w->e_flags = WFLAG_KEEPALIVE;
146 w->data = 0; 185 w->data = 0;
147 w->fh = 0; 186 w->fh = 0;
148 w->cb_sv = SvTEMP (cb_sv) && SvREFCNT (cb_sv) == 1 ? SvREFCNT_inc (cb_sv) : newSVsv (cb_sv); 187 w->cb_sv = SvREFCNT_inc (cv);
149 w->self = self; 188 w->self = self;
150 189
151 return (void *)w; 190 return (void *)w;
152} 191}
153 192
… …
177 } 216 }
178 217
179 return rv; 218 return rv;
180} 219}
181 220
182static SV *sv_events_cache; 221static SV *sv_self_cache, *sv_events_cache;
183 222
184static void 223static void
185e_cb (EV_P_ ev_watcher *w, int revents) 224e_cb (EV_P_ ev_watcher *w, int revents)
186{ 225{
187 dSP; 226 dSP;
188 I32 mark = SP - PL_stack_base; 227 I32 mark = SP - PL_stack_base;
189 SV *sv_self, *sv_events; 228 SV *sv_self, *sv_events;
190 229
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 {
191 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 }
192 245
193 if (sv_events_cache) 246 if (expect_true (sv_events_cache))
194 { 247 {
195 sv_events = sv_events_cache; sv_events_cache = 0; 248 sv_events = sv_events_cache; sv_events_cache = 0;
196 SvIV_set (sv_events, revents); 249 SvIV_set (sv_events, revents);
197 } 250 }
198 else 251 else
252 {
199 sv_events = newSViv (revents); 253 sv_events = newSViv (revents);
254 SvREADONLY_on (sv_events);
255 }
200 256
201 PUSHMARK (SP); 257 PUSHMARK (SP);
202 EXTEND (SP, 2); 258 EXTEND (SP, 2);
203 PUSHs (sv_self); 259 PUSHs (sv_self);
204 PUSHs (sv_events); 260 PUSHs (sv_events);
205 261
206 PUTBACK; 262 PUTBACK;
207 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL); 263 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
208 264
265 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
209 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 }
210 273
211 if (sv_events_cache) 274 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
212 SvREFCNT_dec (sv_events); 275 SvREFCNT_dec (sv_events);
213 else 276 else
214 sv_events_cache = sv_events; 277 sv_events_cache = sv_events;
215 278
216 if (SvTRUE (ERRSV)) 279 if (expect_false (SvTRUE (ERRSV)))
217 { 280 {
218 SPAGAIN; 281 SPAGAIN;
219 PUSHMARK (SP); 282 PUSHMARK (SP);
220 PUTBACK; 283 PUTBACK;
221 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);
… …
397 evapi.loop_new = ev_loop_new; 460 evapi.loop_new = ev_loop_new;
398 evapi.loop_destroy = ev_loop_destroy; 461 evapi.loop_destroy = ev_loop_destroy;
399 evapi.loop_fork = ev_loop_fork; 462 evapi.loop_fork = ev_loop_fork;
400 evapi.loop_count = ev_loop_count; 463 evapi.loop_count = ev_loop_count;
401 evapi.now = ev_now; 464 evapi.now = ev_now;
465 evapi.now_update = ev_now_update;
402 evapi.backend = ev_backend; 466 evapi.backend = ev_backend;
403 evapi.unloop = ev_unloop; 467 evapi.unloop = ev_unloop;
404 evapi.ref = ev_ref; 468 evapi.ref = ev_ref;
405 evapi.unref = ev_unref; 469 evapi.unref = ev_unref;
406 evapi.loop = ev_loop; 470 evapi.loop = ev_loop;
… …
472 536
473unsigned int ev_recommended_backends () 537unsigned int ev_recommended_backends ()
474 538
475unsigned int ev_embeddable_backends () 539unsigned int ev_embeddable_backends ()
476 540
541void ev_sleep (NV interval)
542
477NV ev_time () 543NV ev_time ()
478 544
479NV ev_now () 545NV ev_now ()
546 C_ARGS: evapi.default_loop
547
548void ev_now_update ()
480 C_ARGS: evapi.default_loop 549 C_ARGS: evapi.default_loop
481 550
482unsigned int ev_backend () 551unsigned int ev_backend ()
483 C_ARGS: evapi.default_loop 552 C_ARGS: evapi.default_loop
484 553
… …
628 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval); 697 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
629 if (!ix) START (stat, RETVAL); 698 if (!ix) START (stat, RETVAL);
630 OUTPUT: 699 OUTPUT:
631 RETVAL 700 RETVAL
632 701
633ev_embed *embed (struct ev_loop *loop, SV *cb = &PL_sv_undef) 702ev_embed *embed (struct ev_loop *loop, SV *cb = 0)
634 ALIAS: 703 ALIAS:
635 embed_ns = 1 704 embed_ns = 1
636 CODE: 705 CODE:
637{ 706{
638 if (!(ev_backend (loop) & ev_embeddable_backends ())) 707 if (!(ev_backend (loop) & ev_embeddable_backends ()))
639 croak ("passed loop is not embeddable via EV::embed,"); 708 croak ("passed loop is not embeddable via EV::embed,");
640 709
641 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv); 710 RETVAL = e_new (sizeof (ev_embed), cb, default_loop_sv);
642 RETVAL->fh = newSVsv (ST (0)); 711 RETVAL->fh = newSVsv (ST (0));
643 ev_embed_set (RETVAL, loop); 712 ev_embed_set (RETVAL, loop);
644
645 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
646
647 if (!ix) START (embed, RETVAL); 713 if (!ix) START (embed, RETVAL);
648} 714}
649 OUTPUT: 715 OUTPUT:
650 RETVAL 716 RETVAL
651 717
… …
692 RETVAL = w->e_flags & WFLAG_KEEPALIVE; 758 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
693 new_value = new_value ? WFLAG_KEEPALIVE : 0; 759 new_value = new_value ? WFLAG_KEEPALIVE : 0;
694 760
695 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE)) 761 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
696 { 762 {
763 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
697 REF (w); 764 REF (w);
698 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
699 UNREF (w); 765 UNREF (w);
700 } 766 }
701} 767}
702 OUTPUT: 768 OUTPUT:
703 RETVAL 769 RETVAL
704 770
705SV *cb (ev_watcher *w, SV *new_cb = 0) 771SV *cb (ev_watcher *w, SV *new_cb = 0)
706 CODE: 772 CODE:
707{ 773{
708 RETVAL = newSVsv (w->cb_sv);
709
710 if (items > 1) 774 if (items > 1)
711 sv_setsv (w->cb_sv, new_cb); 775 {
776 new_cb = e_get_cv (new_cb);
777 RETVAL = newRV_noinc (w->cb_sv);
778 w->cb_sv = SvREFCNT_inc (new_cb);
779 }
780 else
781 RETVAL = newRV_inc (w->cb_sv);
712} 782}
713 OUTPUT: 783 OUTPUT:
714 RETVAL 784 RETVAL
715 785
716SV *data (ev_watcher *w, SV *new_data = 0) 786SV *data (ev_watcher *w, SV *new_data = 0)
… …
874 944
875void ev_timer_again (ev_timer *w) 945void ev_timer_again (ev_timer *w)
876 INIT: 946 INIT:
877 CHECK_REPEAT (w->repeat); 947 CHECK_REPEAT (w->repeat);
878 CODE: 948 CODE:
879 REF (w);
880 ev_timer_again (e_loop (w), w); 949 ev_timer_again (e_loop (w), w);
881 UNREF (w); 950 UNREF (w);
882 951
883void DESTROY (ev_timer *w) 952void DESTROY (ev_timer *w)
884 CODE: 953 CODE:
… …
889 INIT: 958 INIT:
890 CHECK_REPEAT (repeat); 959 CHECK_REPEAT (repeat);
891 CODE: 960 CODE:
892 RESET (timer, w, (w, after, repeat)); 961 RESET (timer, w, (w, after, repeat));
893 962
894NV at (ev_timer *w)
895 CODE:
896 RETVAL = w->at;
897 OUTPUT:
898 RETVAL
899
900MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_ 963MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
901 964
902void ev_periodic_start (ev_periodic *w) 965void ev_periodic_start (ev_periodic *w)
903 INIT: 966 INIT:
904 CHECK_REPEAT (w->interval); 967 CHECK_REPEAT (w->interval);
… …
909 CODE: 972 CODE:
910 STOP (periodic, w); 973 STOP (periodic, w);
911 974
912void ev_periodic_again (ev_periodic *w) 975void ev_periodic_again (ev_periodic *w)
913 CODE: 976 CODE:
914 REF (w);
915 ev_periodic_again (e_loop (w), w); 977 ev_periodic_again (e_loop (w), w);
916 UNREF (w); 978 UNREF (w);
917 979
918void DESTROY (ev_periodic *w) 980void DESTROY (ev_periodic *w)
919 CODE: 981 CODE:
… …
931 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0)); 993 RESET (periodic, w, (w, at, interval, w->fh ? e_periodic_cb : 0));
932} 994}
933 995
934NV at (ev_periodic *w) 996NV at (ev_periodic *w)
935 CODE: 997 CODE:
936 RETVAL = w->at; 998 RETVAL = ev_periodic_at (w);
937 OUTPUT: 999 OUTPUT:
938 RETVAL 1000 RETVAL
939 1001
940MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_ 1002MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
941 1003
… …
1196 if (loop != evapi.default_loop) /* global destruction sucks */ 1258 if (loop != evapi.default_loop) /* global destruction sucks */
1197 ev_loop_destroy (loop); 1259 ev_loop_destroy (loop);
1198 1260
1199void ev_loop_fork (struct ev_loop *loop) 1261void ev_loop_fork (struct ev_loop *loop)
1200 1262
1263void ev_loop_verify (struct ev_loop *loop)
1264
1201NV ev_now (struct ev_loop *loop) 1265NV ev_now (struct ev_loop *loop)
1266
1267void ev_now_update (struct ev_loop *loop)
1202 1268
1203void ev_set_io_collect_interval (struct ev_loop *loop, NV interval) 1269void ev_set_io_collect_interval (struct ev_loop *loop, NV interval)
1204 1270
1205void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval) 1271void ev_set_timeout_collect_interval (struct ev_loop *loop, NV interval)
1206 1272
… …
1350 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval); 1416 ev_stat_set (RETVAL, SvPVbyte_nolen (RETVAL->fh), interval);
1351 if (!ix) START (stat, RETVAL); 1417 if (!ix) START (stat, RETVAL);
1352 OUTPUT: 1418 OUTPUT:
1353 RETVAL 1419 RETVAL
1354 1420
1355ev_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)
1356 ALIAS: 1422 ALIAS:
1357 embed_ns = 1 1423 embed_ns = 1
1358 CODE: 1424 CODE:
1359{ 1425{
1360 if (!(ev_backend (other) & ev_embeddable_backends ())) 1426 if (!(ev_backend (other) & ev_embeddable_backends ()))
1361 croak ("passed loop is not embeddable via EV::embed,"); 1427 croak ("passed loop is not embeddable via EV::embed,");
1362 1428
1363 RETVAL = e_new (sizeof (ev_embed), cb, ST (0)); 1429 RETVAL = e_new (sizeof (ev_embed), cb, ST (0));
1364 RETVAL->fh = newSVsv (ST (1)); 1430 RETVAL->fh = newSVsv (ST (1));
1365 ev_embed_set (RETVAL, other); 1431 ev_embed_set (RETVAL, other);
1366
1367 if (!SvOK (cb)) ev_set_cb (RETVAL, 0);
1368
1369 if (!ix) START (embed, RETVAL); 1432 if (!ix) START (embed, RETVAL);
1370} 1433}
1371 OUTPUT: 1434 OUTPUT:
1372 RETVAL 1435 RETVAL
1373 1436

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