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Comparing EV/EV.xs (file contents):
Revision 1.162 by root, Tue Jan 15 21:49:38 2013 UTC vs.
Revision 1.178 by root, Wed Jan 22 17:02:40 2020 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5/* fix perl api breakage */ 5/* fix perl api breakage */
6#ifndef WIN32
6#undef signal 7# undef signal
7#undef sigaction 8# undef sigaction
9#endif
8 10
9#include "schmorp.h" 11#include "schmorp.h"
10 12
11/* old API compatibility */ 13/* old API compatibility */
12static int 14static int
13sv_fileno (SV *fh) 15sv_fileno (SV *fh)
14{ 16{
15 return s_fileno (fh, 0); 17 return s_fileno (fh, 0);
16} 18}
19
20#ifndef GvCV_set
21# define GvCV_set(gv,cv) GvCV (gv) = cv
22#endif
23
24#if EV_ENABLE_ASSERTIONS
25# undef NDEBUG
26# include <assert.h>
27#endif
17 28
18#define EV_STANDALONE 1 29#define EV_STANDALONE 1
19#define EV_PROTOTYPES 1 30#define EV_PROTOTYPES 1
20#define EV_USE_NANOSLEEP EV_USE_MONOTONIC 31#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
21#define EV_USE_FLOOR 1 32#define EV_USE_FLOOR 1
22#define EV_API_STATIC 33#define EV_API_STATIC
23#define EV_H <ev.h> 34#define EV_H "../libev/ev.h"
24#define EV_CONFIG_H error 35#define EV_CONFIG_H error
25#include "EV/EVAPI.h" 36#include "EV/EVAPI.h"
26 37
27#define EV_SELECT_IS_WINSOCKET 0 38#define EV_SELECT_IS_WINSOCKET 0
28#ifdef _WIN32 39#ifdef _WIN32
31# define fd_mask Perl_fd_mask 42# define fd_mask Perl_fd_mask
32#endif 43#endif
33/* due to bugs in OS X we have to use libev/ explicitly here */ 44/* due to bugs in OS X we have to use libev/ explicitly here */
34#include "libev/ev.c" 45#include "libev/ev.c"
35 46
36#if !defined _WIN32 && !defined _MINIX 47#if !defined _WIN32 && !defined __minix && !EV_NO_ATFORK
37# include <pthread.h> 48# include <pthread.h>
38#endif 49#endif
39 50
40#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop)) 51#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop))
41#define e_flags(w) ((ev_watcher *)(w))->e_flags 52#define e_flags(w) ((ev_watcher *)(w))->e_flags
71 do { \ 82 do { \
72 REF (w); \ 83 REF (w); \
73 ev_ ## type ## _stop (e_loop (w), w); \ 84 ev_ ## type ## _stop (e_loop (w), w); \
74 } while (0) 85 } while (0)
75 86
87#define PAUSE(type) \
88 do { \
89 int active = ev_is_active (w); \
90 if (active) STOP (type, w)
91
92#define RESUME(type) \
93 if (active) START (type, w); \
94 } while (0)
95
96
76#define RESET(type,w,seta) \ 97#define RESET(type,w,seta) \
77 do { \ 98 PAUSE (type); \
78 int active = ev_is_active (w); \
79 if (active) STOP (type, w); \
80 ev_ ## type ## _set seta; \ 99 ev_ ## type ## _set seta; \
81 if (active) START (type, w); \ 100 RESUME (type)
82 } while (0)
83 101
84typedef int Signal; 102typedef int Signal;
85 103
86/* horrible... */ 104/* horrible... */
87#define CHECK_SIGNAL_CAN_START(w) \ 105#define CHECK_SIGNAL_CAN_START(w) \
191 dSP; 209 dSP;
192 I32 mark = SP - PL_stack_base; 210 I32 mark = SP - PL_stack_base;
193 SV *sv_self, *sv_events; 211 SV *sv_self, *sv_events;
194 212
195 /* libev might have stopped the watcher */ 213 /* libev might have stopped the watcher */
196 if (expect_false (w->e_flags & WFLAG_UNREFED) 214 if (ecb_expect_false (w->e_flags & WFLAG_UNREFED)
197 && !ev_is_active (w)) 215 && !ev_is_active (w))
198 REF (w); 216 REF (w);
199 217
200 if (expect_true (sv_self_cache)) 218 if (ecb_expect_true (sv_self_cache))
201 { 219 {
202 sv_self = sv_self_cache; sv_self_cache = 0; 220 sv_self = sv_self_cache; sv_self_cache = 0;
203 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self)); 221 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
204 } 222 }
205 else 223 else
206 { 224 {
207 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */ 225 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
208 SvREADONLY_on (sv_self); 226 SvREADONLY_on (sv_self);
209 } 227 }
210 228
211 if (expect_true (sv_events_cache)) 229 if (ecb_expect_true (sv_events_cache))
212 { 230 {
213 sv_events = sv_events_cache; sv_events_cache = 0; 231 sv_events = sv_events_cache; sv_events_cache = 0;
214 SvIV_set (sv_events, revents); 232 SvIV_set (sv_events, revents);
215 SvIOK_only (sv_events); 233 SvIOK_only (sv_events);
216 } 234 }
226 PUSHs (sv_events); 244 PUSHs (sv_events);
227 245
228 PUTBACK; 246 PUTBACK;
229 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL); 247 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
230 248
231 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache)) 249 if (ecb_expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
232 SvREFCNT_dec (sv_self); 250 SvREFCNT_dec (sv_self);
233 else 251 else
234 { 252 {
235 SvREFCNT_dec (SvRV (sv_self)); 253 SvREFCNT_dec (SvRV (sv_self));
236 SvRV_set (sv_self, &PL_sv_undef); 254 SvRV_set (sv_self, &PL_sv_undef);
237 sv_self_cache = sv_self; 255 sv_self_cache = sv_self;
238 } 256 }
239 257
240 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache)) 258 if (ecb_expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
241 SvREFCNT_dec (sv_events); 259 SvREFCNT_dec (sv_events);
242 else 260 else
243 sv_events_cache = sv_events; 261 sv_events_cache = sv_events;
244 262
245 if (expect_false (SvTRUE (ERRSV))) 263 if (ecb_expect_false (SvTRUE (ERRSV)))
246 { 264 {
247 SPAGAIN; 265 SPAGAIN;
248 PUSHMARK (SP); 266 PUSHMARK (SP);
249 PUTBACK; 267 PUTBACK;
250 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR); 268 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
381 const_iv (EV_, SIGNAL) 399 const_iv (EV_, SIGNAL)
382 const_iv (EV_, CHILD) 400 const_iv (EV_, CHILD)
383 const_iv (EV_, STAT) 401 const_iv (EV_, STAT)
384 const_iv (EV_, IDLE) 402 const_iv (EV_, IDLE)
385 const_iv (EV_, PREPARE) 403 const_iv (EV_, PREPARE)
386 const_iv (EV_, CHECK) 404 /*const_iv (EV_, CHECK) needs special tretament */
387 const_iv (EV_, EMBED) 405 const_iv (EV_, EMBED)
388 const_iv (EV_, FORK) 406 const_iv (EV_, FORK)
389 const_iv (EV_, CLEANUP) 407 const_iv (EV_, CLEANUP)
390 const_iv (EV_, ASYNC) 408 const_iv (EV_, ASYNC)
391 const_iv (EV_, CUSTOM) 409 const_iv (EV_, CUSTOM)
425#endif 443#endif
426 }; 444 };
427 445
428 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 446 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
429 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 447 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
448
449 /* since this clashes with perl CHECK blocks, */
450 /* but we are interested in constants, */
451 /* and not blocks, we treat CHECK specially. */
452 {
453 /* the local $^W = 0 takes care of the warning */
454 CV *cv = newCONSTSUB (stash, "CHECK", newSViv (EV_CHECK));
455 /* now we need to re-set the gv, in case it was hijacked */
456 GvCV_set (gv_fetchpv ("EV::CHECK", GV_ADD, SVt_PVCV), cv);
457 }
430 458
431 stash_loop = gv_stashpv ("EV::Loop" , 1); 459 stash_loop = gv_stashpv ("EV::Loop" , 1);
432 stash_watcher = gv_stashpv ("EV::Watcher" , 1); 460 stash_watcher = gv_stashpv ("EV::Watcher" , 1);
433 stash_io = gv_stashpv ("EV::IO" , 1); 461 stash_io = gv_stashpv ("EV::IO" , 1);
434 stash_timer = gv_stashpv ("EV::Timer" , 1); 462 stash_timer = gv_stashpv ("EV::Timer" , 1);
517 evapi.invoke = ev_invoke; 545 evapi.invoke = ev_invoke;
518 546
519 sv_setiv (sv, (IV)&evapi); 547 sv_setiv (sv, (IV)&evapi);
520 SvREADONLY_on (sv); 548 SvREADONLY_on (sv);
521 } 549 }
522#if !defined _WIN32 && !defined _MINIX 550#if !defined _WIN32 && !defined _MINIX && !EV_NO_ATFORK
523#if __linux 551/* unfortunately, musl neither implements the linux standard base,
552/* nor makes itself detectable via macros. yeah, right... */
553#if __linux && (__GLIBC__ || __UCLIBC__)
524 int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void * __dso_handle); 554 int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void * __dso_handle);
525 __register_atfork (0, 0, default_fork, 0); 555 __register_atfork (0, 0, default_fork, 0);
526#else 556#else
527 pthread_atfork (0, 0, default_fork); 557 pthread_atfork (0, 0, default_fork);
528#endif 558#endif
564NV ev_time () 594NV ev_time ()
565 595
566void ev_feed_signal (SV *signal) 596void ev_feed_signal (SV *signal)
567 CODE: 597 CODE:
568{ 598{
569 Signal signum = s_signum (signal); 599 Signal signum = s_signum (signal);
570 CHECK_SIG (signal, signum); 600 CHECK_SIG (signal, signum);
571 601
572 ev_feed_signal (signum); 602 ev_feed_signal (signum);
573} 603}
574 604
676 periodic_ns = 1 706 periodic_ns = 1
677 INIT: 707 INIT:
678 CHECK_REPEAT (interval); 708 CHECK_REPEAT (interval);
679 CODE: 709 CODE:
680{ 710{
681 ev_periodic *w; 711 ev_periodic *w;
682 w = e_new (sizeof (ev_periodic), cb, default_loop_sv); 712 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
683 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0; 713 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
684 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0); 714 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
685 RETVAL = e_bless ((ev_watcher *)w, stash_periodic); 715 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
686 if (!ix) START (periodic, w); 716 if (!ix) START (periodic, w);
691ev_signal *signal (SV *signal, SV *cb) 721ev_signal *signal (SV *signal, SV *cb)
692 ALIAS: 722 ALIAS:
693 signal_ns = 1 723 signal_ns = 1
694 CODE: 724 CODE:
695{ 725{
696 Signal signum = s_signum (signal); 726 Signal signum = s_signum (signal);
697 CHECK_SIG (signal, signum); 727 CHECK_SIG (signal, signum);
698 728
699 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv); 729 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
700 ev_signal_set (RETVAL, signum); 730 ev_signal_set (RETVAL, signum);
701 if (!ix) START_SIGNAL (RETVAL); 731 if (!ix) START_SIGNAL (RETVAL);
972 CODE: 1002 CODE:
973{ 1003{
974 RETVAL = w->events; 1004 RETVAL = w->events;
975 1005
976 if (items > 1) 1006 if (items > 1)
977 RESET (io, w, (w, w->fd, new_events)); 1007 {
1008 PAUSE (io);
1009 ev_io_modify (w, new_events);
1010 RESUME (io);
1011 }
978} 1012}
979 OUTPUT: 1013 OUTPUT:
980 RETVAL 1014 RETVAL
981 1015
982MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_ 1016MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
1029 1063
1030void ev_timer_stop (ev_timer *w) 1064void ev_timer_stop (ev_timer *w)
1031 CODE: 1065 CODE:
1032 STOP (timer, w); 1066 STOP (timer, w);
1033 1067
1034void ev_timer_again (ev_timer *w) 1068void ev_timer_again (ev_timer *w, NV repeat = NO_INIT)
1035 INIT: 1069 CODE:
1070 if (items > 1)
1071 w->repeat = repeat;
1036 CHECK_REPEAT (w->repeat); 1072 CHECK_REPEAT (w->repeat);
1037 CODE:
1038 ev_timer_again (e_loop (w), w); 1073 ev_timer_again (e_loop (w), w);
1039 UNREF (w); 1074 UNREF (w);
1040 1075
1041NV ev_timer_remaining (ev_timer *w) 1076NV ev_timer_remaining (ev_timer *w)
1042 C_ARGS: e_loop (w), w 1077 C_ARGS: e_loop (w), w

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