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Comparing EV/EV.xs (file contents):
Revision 1.165 by root, Fri Apr 5 21:04:30 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
… …
15 return s_fileno (fh, 0); 17 return s_fileno (fh, 0);
16} 18}
17 19
18#ifndef GvCV_set 20#ifndef GvCV_set
19# define GvCV_set(gv,cv) GvCV (gv) = cv 21# define GvCV_set(gv,cv) GvCV (gv) = cv
22#endif
23
24#if EV_ENABLE_ASSERTIONS
25# undef NDEBUG
26# include <assert.h>
20#endif 27#endif
21 28
22#define EV_STANDALONE 1 29#define EV_STANDALONE 1
23#define EV_PROTOTYPES 1 30#define EV_PROTOTYPES 1
24#define EV_USE_NANOSLEEP EV_USE_MONOTONIC 31#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
25#define EV_USE_FLOOR 1 32#define EV_USE_FLOOR 1
26#define EV_API_STATIC 33#define EV_API_STATIC
27#define EV_H <ev.h> 34#define EV_H "../libev/ev.h"
28#define EV_CONFIG_H error 35#define EV_CONFIG_H error
29#include "EV/EVAPI.h" 36#include "EV/EVAPI.h"
30 37
31#define EV_SELECT_IS_WINSOCKET 0 38#define EV_SELECT_IS_WINSOCKET 0
32#ifdef _WIN32 39#ifdef _WIN32
… …
35# define fd_mask Perl_fd_mask 42# define fd_mask Perl_fd_mask
36#endif 43#endif
37/* 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 */
38#include "libev/ev.c" 45#include "libev/ev.c"
39 46
40#if !defined _WIN32 && !defined _MINIX 47#if !defined _WIN32 && !defined __minix && !EV_NO_ATFORK
41# include <pthread.h> 48# include <pthread.h>
42#endif 49#endif
43 50
44#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))
45#define e_flags(w) ((ev_watcher *)(w))->e_flags 52#define e_flags(w) ((ev_watcher *)(w))->e_flags
… …
47#define e_fh(w) ((ev_watcher *)(w))->fh 54#define e_fh(w) ((ev_watcher *)(w))->fh
48#define e_data(w) ((ev_watcher *)(w))->data 55#define e_data(w) ((ev_watcher *)(w))->data
49 56
50#define WFLAG_KEEPALIVE 1 57#define WFLAG_KEEPALIVE 1
51#define WFLAG_UNREFED 2 /* has been unref'ed */ 58#define WFLAG_UNREFED 2 /* has been unref'ed */
52#define WFLAG_NOARGS 4 /* do not pass anything to the callback */
53 59
54#define UNREF(w) \ 60#define UNREF(w) \
55 if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \ 61 if (!(e_flags (w) & (WFLAG_KEEPALIVE | WFLAG_UNREFED)) \
56 && ev_is_active (w)) \ 62 && ev_is_active (w)) \
57 { \ 63 { \
… …
76 do { \ 82 do { \
77 REF (w); \ 83 REF (w); \
78 ev_ ## type ## _stop (e_loop (w), w); \ 84 ev_ ## type ## _stop (e_loop (w), w); \
79 } while (0) 85 } while (0)
80 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
81#define RESET(type,w,seta) \ 97#define RESET(type,w,seta) \
82 do { \ 98 PAUSE (type); \
83 int active = ev_is_active (w); \
84 if (active) STOP (type, w); \
85 ev_ ## type ## _set seta; \ 99 ev_ ## type ## _set seta; \
86 if (active) START (type, w); \ 100 RESUME (type)
87 } while (0)
88 101
89typedef int Signal; 102typedef int Signal;
90 103
91/* horrible... */ 104/* horrible... */
92#define CHECK_SIGNAL_CAN_START(w) \ 105#define CHECK_SIGNAL_CAN_START(w) \
… …
196 dSP; 209 dSP;
197 I32 mark = SP - PL_stack_base; 210 I32 mark = SP - PL_stack_base;
198 SV *sv_self, *sv_events; 211 SV *sv_self, *sv_events;
199 212
200 /* libev might have stopped the watcher */ 213 /* libev might have stopped the watcher */
201 if (expect_false (w->e_flags & WFLAG_UNREFED) 214 if (ecb_expect_false (w->e_flags & WFLAG_UNREFED)
202 && !ev_is_active (w)) 215 && !ev_is_active (w))
203 REF (w); 216 REF (w);
204 217
205 PUSHMARK (SP); 218 if (ecb_expect_true (sv_self_cache))
206
207 if (!expect_true (e_flags (w) & WFLAG_NOARGS))
208 { 219 {
209 if (expect_true (sv_self_cache))
210 {
211 sv_self = sv_self_cache; sv_self_cache = 0; 220 sv_self = sv_self_cache; sv_self_cache = 0;
212 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self)); 221 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
213 }
214 else
215 {
216 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
217 SvREADONLY_on (sv_self);
218 }
219
220 if (expect_true (sv_events_cache))
221 {
222 sv_events = sv_events_cache; sv_events_cache = 0;
223 SvIV_set (sv_events, revents);
224 SvIOK_only (sv_events);
225 }
226 else
227 {
228 sv_events = newSViv (revents);
229 SvREADONLY_on (sv_events);
230 }
231
232 EXTEND (SP, 2);
233 PUSHs (sv_self);
234 PUSHs (sv_events);
235
236 PUTBACK;
237 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
238
239 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
240 SvREFCNT_dec (sv_self);
241 else
242 {
243 SvREFCNT_dec (SvRV (sv_self));
244 SvRV_set (sv_self, &PL_sv_undef);
245 sv_self_cache = sv_self;
246 }
247
248 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
249 SvREFCNT_dec (sv_events);
250 else
251 sv_events_cache = sv_events;
252 } 222 }
253 else 223 else
254 { 224 {
255 PUTBACK; 225 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
256 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL); 226 SvREADONLY_on (sv_self);
257 } 227 }
258 228
229 if (ecb_expect_true (sv_events_cache))
230 {
231 sv_events = sv_events_cache; sv_events_cache = 0;
232 SvIV_set (sv_events, revents);
233 SvIOK_only (sv_events);
234 }
235 else
236 {
237 sv_events = newSViv (revents);
238 SvREADONLY_on (sv_events);
239 }
240
241 PUSHMARK (SP);
242 EXTEND (SP, 2);
243 PUSHs (sv_self);
244 PUSHs (sv_events);
245
246 PUTBACK;
247 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
248
249 if (ecb_expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
250 SvREFCNT_dec (sv_self);
251 else
252 {
253 SvREFCNT_dec (SvRV (sv_self));
254 SvRV_set (sv_self, &PL_sv_undef);
255 sv_self_cache = sv_self;
256 }
257
258 if (ecb_expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
259 SvREFCNT_dec (sv_events);
260 else
261 sv_events_cache = sv_events;
262
259 if (expect_false (SvTRUE (ERRSV))) 263 if (ecb_expect_false (SvTRUE (ERRSV)))
260 { 264 {
261 SPAGAIN; 265 SPAGAIN;
262 PUSHMARK (SP); 266 PUSHMARK (SP);
263 PUTBACK; 267 PUTBACK;
264 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);
… …
541 evapi.invoke = ev_invoke; 545 evapi.invoke = ev_invoke;
542 546
543 sv_setiv (sv, (IV)&evapi); 547 sv_setiv (sv, (IV)&evapi);
544 SvREADONLY_on (sv); 548 SvREADONLY_on (sv);
545 } 549 }
546#if !defined _WIN32 && !defined _MINIX 550#if !defined _WIN32 && !defined _MINIX && !EV_NO_ATFORK
547#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__)
548 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);
549 __register_atfork (0, 0, default_fork, 0); 555 __register_atfork (0, 0, default_fork, 0);
550#else 556#else
551 pthread_atfork (0, 0, default_fork); 557 pthread_atfork (0, 0, default_fork);
552#endif 558#endif
… …
588NV ev_time () 594NV ev_time ()
589 595
590void ev_feed_signal (SV *signal) 596void ev_feed_signal (SV *signal)
591 CODE: 597 CODE:
592{ 598{
593 Signal signum = s_signum (signal); 599 Signal signum = s_signum (signal);
594 CHECK_SIG (signal, signum); 600 CHECK_SIG (signal, signum);
595 601
596 ev_feed_signal (signum); 602 ev_feed_signal (signum);
597} 603}
598 604
… …
666 _ae_io = 2 672 _ae_io = 2
667 CODE: 673 CODE:
668{ 674{
669 int fd = s_fileno (fh, events & EV_WRITE); 675 int fd = s_fileno (fh, events & EV_WRITE);
670 CHECK_FD (fh, fd); 676 CHECK_FD (fh, fd);
677
678 if (ix == 2)
679 {
680 ix = 0;
681 events = events ? EV_WRITE : EV_READ;
682 }
683
671 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv); 684 RETVAL = e_new (sizeof (ev_io), cb, default_loop_sv);
672 e_fh (RETVAL) = newSVsv (fh); 685 e_fh (RETVAL) = newSVsv (fh);
673
674 if (ix == 2)
675 {
676 events = events ? EV_WRITE : EV_READ;
677 e_flags (RETVAL) |= WFLAG_NOARGS;
678 }
679
680 ev_io_set (RETVAL, fd, events); 686 ev_io_set (RETVAL, fd, events);
681 if (ix != 1) START (io, RETVAL); 687 if (!ix) START (io, RETVAL);
682} 688}
683 OUTPUT: 689 OUTPUT:
684 RETVAL 690 RETVAL
685 691
686ev_timer *timer (NV after, NV repeat, SV *cb) 692ev_timer *timer (NV after, NV repeat, SV *cb)
… …
700 periodic_ns = 1 706 periodic_ns = 1
701 INIT: 707 INIT:
702 CHECK_REPEAT (interval); 708 CHECK_REPEAT (interval);
703 CODE: 709 CODE:
704{ 710{
705 ev_periodic *w; 711 ev_periodic *w;
706 w = e_new (sizeof (ev_periodic), cb, default_loop_sv); 712 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
707 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0; 713 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
708 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);
709 RETVAL = e_bless ((ev_watcher *)w, stash_periodic); 715 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
710 if (!ix) START (periodic, w); 716 if (!ix) START (periodic, w);
… …
715ev_signal *signal (SV *signal, SV *cb) 721ev_signal *signal (SV *signal, SV *cb)
716 ALIAS: 722 ALIAS:
717 signal_ns = 1 723 signal_ns = 1
718 CODE: 724 CODE:
719{ 725{
720 Signal signum = s_signum (signal); 726 Signal signum = s_signum (signal);
721 CHECK_SIG (signal, signum); 727 CHECK_SIG (signal, signum);
722 728
723 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv); 729 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
724 ev_signal_set (RETVAL, signum); 730 ev_signal_set (RETVAL, signum);
725 if (!ix) START_SIGNAL (RETVAL); 731 if (!ix) START_SIGNAL (RETVAL);
… …
996 CODE: 1002 CODE:
997{ 1003{
998 RETVAL = w->events; 1004 RETVAL = w->events;
999 1005
1000 if (items > 1) 1006 if (items > 1)
1001 RESET (io, w, (w, w->fd, new_events)); 1007 {
1008 PAUSE (io);
1009 ev_io_modify (w, new_events);
1010 RESUME (io);
1011 }
1002} 1012}
1003 OUTPUT: 1013 OUTPUT:
1004 RETVAL 1014 RETVAL
1005 1015
1006MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_ 1016MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
… …
1053 1063
1054void ev_timer_stop (ev_timer *w) 1064void ev_timer_stop (ev_timer *w)
1055 CODE: 1065 CODE:
1056 STOP (timer, w); 1066 STOP (timer, w);
1057 1067
1058void ev_timer_again (ev_timer *w) 1068void ev_timer_again (ev_timer *w, NV repeat = NO_INIT)
1059 INIT: 1069 CODE:
1070 if (items > 1)
1071 w->repeat = repeat;
1060 CHECK_REPEAT (w->repeat); 1072 CHECK_REPEAT (w->repeat);
1061 CODE:
1062 ev_timer_again (e_loop (w), w); 1073 ev_timer_again (e_loop (w), w);
1063 UNREF (w); 1074 UNREF (w);
1064 1075
1065NV ev_timer_remaining (ev_timer *w) 1076NV ev_timer_remaining (ev_timer *w)
1066 C_ARGS: e_loop (w), w 1077 C_ARGS: e_loop (w), w

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