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Comparing EV/EV.xs (file contents):
Revision 1.115 by root, Mon Sep 8 17:27:42 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); \
… …
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);
… …
487 536
488unsigned int ev_recommended_backends () 537unsigned int ev_recommended_backends ()
489 538
490unsigned int ev_embeddable_backends () 539unsigned int ev_embeddable_backends ()
491 540
541void ev_sleep (NV interval)
542
492NV ev_time () 543NV ev_time ()
493 544
494NV ev_now () 545NV ev_now ()
495 C_ARGS: evapi.default_loop 546 C_ARGS: evapi.default_loop
496 547
… …
707 RETVAL = w->e_flags & WFLAG_KEEPALIVE; 758 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
708 new_value = new_value ? WFLAG_KEEPALIVE : 0; 759 new_value = new_value ? WFLAG_KEEPALIVE : 0;
709 760
710 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE)) 761 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE))
711 { 762 {
763 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
712 REF (w); 764 REF (w);
713 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value;
714 UNREF (w); 765 UNREF (w);
715 } 766 }
716} 767}
717 OUTPUT: 768 OUTPUT:
718 RETVAL 769 RETVAL
… …
893 944
894void ev_timer_again (ev_timer *w) 945void ev_timer_again (ev_timer *w)
895 INIT: 946 INIT:
896 CHECK_REPEAT (w->repeat); 947 CHECK_REPEAT (w->repeat);
897 CODE: 948 CODE:
898 REF (w);
899 ev_timer_again (e_loop (w), w); 949 ev_timer_again (e_loop (w), w);
900 UNREF (w); 950 UNREF (w);
901 951
902void DESTROY (ev_timer *w) 952void DESTROY (ev_timer *w)
903 CODE: 953 CODE:
… …
922 CODE: 972 CODE:
923 STOP (periodic, w); 973 STOP (periodic, w);
924 974
925void ev_periodic_again (ev_periodic *w) 975void ev_periodic_again (ev_periodic *w)
926 CODE: 976 CODE:
927 REF (w);
928 ev_periodic_again (e_loop (w), w); 977 ev_periodic_again (e_loop (w), w);
929 UNREF (w); 978 UNREF (w);
930 979
931void DESTROY (ev_periodic *w) 980void DESTROY (ev_periodic *w)
932 CODE: 981 CODE:

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