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

Comparing EV/EV.xs (file contents):
Revision 1.163 by root, Wed Apr 3 23:46:45 2013 UTC vs.
Revision 1.182 by root, Tue Feb 18 16:50:21 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
… …
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
20#endif 22#endif
23
24#if EV_ENABLE_ASSERTIONS
25# undef NDEBUG
26#else
27# define NDEBUG 1
28#endif
29
30/* make sure we get a real assert, not perl's incompatible version */
31#undef assert
32#include <assert.h>
21 33
22#define EV_STANDALONE 1 34#define EV_STANDALONE 1
23#define EV_PROTOTYPES 1 35#define EV_PROTOTYPES 1
24#define EV_USE_NANOSLEEP EV_USE_MONOTONIC 36#define EV_USE_NANOSLEEP EV_USE_MONOTONIC
25#define EV_USE_FLOOR 1 37#define EV_USE_FLOOR 1
26#define EV_API_STATIC 38#define EV_API_STATIC
27#define EV_H <ev.h> 39#define EV_H "../libev/ev.h"
28#define EV_CONFIG_H error 40#define EV_CONFIG_H error
29#include "EV/EVAPI.h" 41#include "EV/EVAPI.h"
30 42
31#define EV_SELECT_IS_WINSOCKET 0 43#define EV_SELECT_IS_WINSOCKET 0
32#ifdef _WIN32 44#ifdef _WIN32
… …
35# define fd_mask Perl_fd_mask 47# define fd_mask Perl_fd_mask
36#endif 48#endif
37/* due to bugs in OS X we have to use libev/ explicitly here */ 49/* due to bugs in OS X we have to use libev/ explicitly here */
38#include "libev/ev.c" 50#include "libev/ev.c"
39 51
40#if !defined _WIN32 && !defined _MINIX 52#if !defined _WIN32 && !defined __minix && !EV_NO_ATFORK
41# include <pthread.h> 53# include <pthread.h>
42#endif 54#endif
43 55
44#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop)) 56#define e_loop(w) INT2PTR (struct ev_loop *, SvIVX (((ev_watcher *)(w))->loop))
45#define e_flags(w) ((ev_watcher *)(w))->e_flags 57#define e_flags(w) ((ev_watcher *)(w))->e_flags
… …
75 do { \ 87 do { \
76 REF (w); \ 88 REF (w); \
77 ev_ ## type ## _stop (e_loop (w), w); \ 89 ev_ ## type ## _stop (e_loop (w), w); \
78 } while (0) 90 } while (0)
79 91
92#define PAUSE(type) \
93 do { \
94 int active = ev_is_active (w); \
95 if (active) STOP (type, w)
96
97#define RESUME(type) \
98 if (active) START (type, w); \
99 } while (0)
100
101
80#define RESET(type,w,seta) \ 102#define RESET(type,w,seta) \
81 do { \ 103 PAUSE (type); \
82 int active = ev_is_active (w); \
83 if (active) STOP (type, w); \
84 ev_ ## type ## _set seta; \ 104 ev_ ## type ## _set seta; \
85 if (active) START (type, w); \ 105 RESUME (type)
86 } while (0)
87 106
88typedef int Signal; 107typedef int Signal;
89 108
90/* horrible... */ 109/* horrible... */
91#define CHECK_SIGNAL_CAN_START(w) \ 110#define CHECK_SIGNAL_CAN_START(w) \
… …
195 dSP; 214 dSP;
196 I32 mark = SP - PL_stack_base; 215 I32 mark = SP - PL_stack_base;
197 SV *sv_self, *sv_events; 216 SV *sv_self, *sv_events;
198 217
199 /* libev might have stopped the watcher */ 218 /* libev might have stopped the watcher */
200 if (expect_false (w->e_flags & WFLAG_UNREFED) 219 if (ecb_expect_false (w->e_flags & WFLAG_UNREFED)
201 && !ev_is_active (w)) 220 && !ev_is_active (w))
202 REF (w); 221 REF (w);
203 222
204 if (expect_true (sv_self_cache)) 223 if (ecb_expect_true (sv_self_cache))
205 { 224 {
206 sv_self = sv_self_cache; sv_self_cache = 0; 225 sv_self = sv_self_cache; sv_self_cache = 0;
207 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self)); 226 SvRV_set (sv_self, SvREFCNT_inc_NN (w->self));
208 } 227 }
209 else 228 else
210 { 229 {
211 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */ 230 sv_self = newRV_inc (w->self); /* e_self (w) MUST be blessed by now */
212 SvREADONLY_on (sv_self); 231 SvREADONLY_on (sv_self);
213 } 232 }
214 233
215 if (expect_true (sv_events_cache)) 234 if (ecb_expect_true (sv_events_cache))
216 { 235 {
217 sv_events = sv_events_cache; sv_events_cache = 0; 236 sv_events = sv_events_cache; sv_events_cache = 0;
218 SvIV_set (sv_events, revents); 237 SvIV_set (sv_events, revents);
219 SvIOK_only (sv_events); 238 SvIOK_only (sv_events);
220 } 239 }
… …
230 PUSHs (sv_events); 249 PUSHs (sv_events);
231 250
232 PUTBACK; 251 PUTBACK;
233 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL); 252 call_sv (w->cb_sv, G_DISCARD | G_VOID | G_EVAL);
234 253
235 if (expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache)) 254 if (ecb_expect_false (SvREFCNT (sv_self) != 1 || sv_self_cache))
236 SvREFCNT_dec (sv_self); 255 SvREFCNT_dec (sv_self);
237 else 256 else
238 { 257 {
239 SvREFCNT_dec (SvRV (sv_self)); 258 SvREFCNT_dec (SvRV (sv_self));
240 SvRV_set (sv_self, &PL_sv_undef); 259 SvRV_set (sv_self, &PL_sv_undef);
241 sv_self_cache = sv_self; 260 sv_self_cache = sv_self;
242 } 261 }
243 262
244 if (expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache)) 263 if (ecb_expect_false (SvREFCNT (sv_events) != 1 || sv_events_cache))
245 SvREFCNT_dec (sv_events); 264 SvREFCNT_dec (sv_events);
246 else 265 else
247 sv_events_cache = sv_events; 266 sv_events_cache = sv_events;
248 267
249 if (expect_false (SvTRUE (ERRSV))) 268 if (ecb_expect_false (SvTRUE (ERRSV)))
250 { 269 {
251 SPAGAIN; 270 SPAGAIN;
252 PUSHMARK (SP); 271 PUSHMARK (SP);
253 PUTBACK; 272 PUTBACK;
254 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR); 273 call_sv (get_sv ("EV::DIED", 1), G_DISCARD | G_VOID | G_EVAL | G_KEEPERR);
… …
531 evapi.invoke = ev_invoke; 550 evapi.invoke = ev_invoke;
532 551
533 sv_setiv (sv, (IV)&evapi); 552 sv_setiv (sv, (IV)&evapi);
534 SvREADONLY_on (sv); 553 SvREADONLY_on (sv);
535 } 554 }
536#if !defined _WIN32 && !defined _MINIX 555#if !defined _WIN32 && !defined _MINIX && !EV_NO_ATFORK
537#if __linux 556/* unfortunately, musl neither implements the linux standard base,
557/* nor makes itself detectable via macros. yeah, right... */
558#if __linux && (__GLIBC__ || __UCLIBC__)
538 int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void * __dso_handle); 559 int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void * __dso_handle);
539 __register_atfork (0, 0, default_fork, 0); 560 __register_atfork (0, 0, default_fork, 0);
540#else 561#else
541 pthread_atfork (0, 0, default_fork); 562 pthread_atfork (0, 0, default_fork);
542#endif 563#endif
… …
578NV ev_time () 599NV ev_time ()
579 600
580void ev_feed_signal (SV *signal) 601void ev_feed_signal (SV *signal)
581 CODE: 602 CODE:
582{ 603{
583 Signal signum = s_signum (signal); 604 Signal signum = s_signum (signal);
584 CHECK_SIG (signal, signum); 605 CHECK_SIG (signal, signum);
585 606
586 ev_feed_signal (signum); 607 ev_feed_signal (signum);
587} 608}
588 609
… …
690 periodic_ns = 1 711 periodic_ns = 1
691 INIT: 712 INIT:
692 CHECK_REPEAT (interval); 713 CHECK_REPEAT (interval);
693 CODE: 714 CODE:
694{ 715{
695 ev_periodic *w; 716 ev_periodic *w;
696 w = e_new (sizeof (ev_periodic), cb, default_loop_sv); 717 w = e_new (sizeof (ev_periodic), cb, default_loop_sv);
697 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0; 718 e_fh (w) = SvTRUE (reschedule_cb) ? newSVsv (reschedule_cb) : 0;
698 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0); 719 ev_periodic_set (w, at, interval, e_fh (w) ? e_periodic_cb : 0);
699 RETVAL = e_bless ((ev_watcher *)w, stash_periodic); 720 RETVAL = e_bless ((ev_watcher *)w, stash_periodic);
700 if (!ix) START (periodic, w); 721 if (!ix) START (periodic, w);
… …
705ev_signal *signal (SV *signal, SV *cb) 726ev_signal *signal (SV *signal, SV *cb)
706 ALIAS: 727 ALIAS:
707 signal_ns = 1 728 signal_ns = 1
708 CODE: 729 CODE:
709{ 730{
710 Signal signum = s_signum (signal); 731 Signal signum = s_signum (signal);
711 CHECK_SIG (signal, signum); 732 CHECK_SIG (signal, signum);
712 733
713 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv); 734 RETVAL = e_new (sizeof (ev_signal), cb, default_loop_sv);
714 ev_signal_set (RETVAL, signum); 735 ev_signal_set (RETVAL, signum);
715 if (!ix) START_SIGNAL (RETVAL); 736 if (!ix) START_SIGNAL (RETVAL);
… …
853 C_ARGS: e_loop (w), w 874 C_ARGS: e_loop (w), w
854 875
855void ev_feed_event (ev_watcher *w, int revents = EV_NONE) 876void ev_feed_event (ev_watcher *w, int revents = EV_NONE)
856 C_ARGS: e_loop (w), w, revents 877 C_ARGS: e_loop (w), w, revents
857 878
858int keepalive (ev_watcher *w, int new_value = 0) 879int keepalive (ev_watcher *w, SV *new_value = NO_INIT)
859 CODE: 880 CODE:
860{ 881{
861 RETVAL = w->e_flags & WFLAG_KEEPALIVE; 882 RETVAL = w->e_flags & WFLAG_KEEPALIVE;
862 new_value = new_value ? WFLAG_KEEPALIVE : 0;
863 883
864 if (items > 1 && ((new_value ^ w->e_flags) & WFLAG_KEEPALIVE)) 884 if (items > 1)
865 { 885 {
886 int value = SvTRUE (new_value) ? WFLAG_KEEPALIVE : 0;
887
888 if ((value ^ w->e_flags) & WFLAG_KEEPALIVE)
889 {
866 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | new_value; 890 w->e_flags = (w->e_flags & ~WFLAG_KEEPALIVE) | value;
867 REF (w); 891 REF (w);
868 UNREF (w); 892 UNREF (w);
893 }
869 } 894 }
870} 895}
871 OUTPUT: 896 OUTPUT:
872 RETVAL 897 RETVAL
873 898
874SV *cb (ev_watcher *w, SV *new_cb = 0) 899SV *cb (ev_watcher *w, SV *new_cb = NO_INIT)
875 CODE: 900 CODE:
876{ 901{
877 if (items > 1) 902 if (items > 1)
878 { 903 {
879 new_cb = s_get_cv_croak (new_cb); 904 new_cb = s_get_cv_croak (new_cb);
… …
884 RETVAL = newRV_inc (w->cb_sv); 909 RETVAL = newRV_inc (w->cb_sv);
885} 910}
886 OUTPUT: 911 OUTPUT:
887 RETVAL 912 RETVAL
888 913
889SV *data (ev_watcher *w, SV *new_data = 0) 914SV *data (ev_watcher *w, SV *new_data = NO_INIT)
890 CODE: 915 CODE:
891{ 916{
892 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef; 917 RETVAL = w->data ? newSVsv (w->data) : &PL_sv_undef;
893 918
894 if (items > 1) 919 if (items > 1)
… …
904 CODE: 929 CODE:
905 RETVAL = newRV_inc (w->loop); 930 RETVAL = newRV_inc (w->loop);
906 OUTPUT: 931 OUTPUT:
907 RETVAL 932 RETVAL
908 933
909int priority (ev_watcher *w, int new_priority = 0) 934int priority (ev_watcher *w, SV *new_priority = NO_INIT)
910 CODE: 935 CODE:
911{ 936{
912 RETVAL = w->priority; 937 RETVAL = w->priority;
913 938
914 if (items > 1) 939 if (items > 1)
… …
922 XPUSHs (ST (0)); 947 XPUSHs (ST (0));
923 PUTBACK; 948 PUTBACK;
924 call_method ("stop", G_DISCARD | G_VOID); 949 call_method ("stop", G_DISCARD | G_VOID);
925 } 950 }
926 951
927 ev_set_priority (w, new_priority); 952 ev_set_priority (w, SvIV (new_priority));
928 953
929 if (active) 954 if (active)
930 { 955 {
931 PUSHMARK (SP); 956 PUSHMARK (SP);
932 XPUSHs (ST (0)); 957 XPUSHs (ST (0));
… …
961 986
962 sv_setsv (e_fh (w), fh); 987 sv_setsv (e_fh (w), fh);
963 RESET (io, w, (w, fd, events)); 988 RESET (io, w, (w, fd, events));
964} 989}
965 990
966SV *fh (ev_io *w, SV *new_fh = 0) 991SV *fh (ev_io *w, SV *new_fh = NO_INIT)
967 CODE: 992 CODE:
968{ 993{
969 if (items > 1) 994 if (items > 1)
970 { 995 {
971 int fd = s_fileno (new_fh, w->events & EV_WRITE); 996 int fd = s_fileno (new_fh, w->events & EV_WRITE);
… …
980 RETVAL = newSVsv (e_fh (w)); 1005 RETVAL = newSVsv (e_fh (w));
981} 1006}
982 OUTPUT: 1007 OUTPUT:
983 RETVAL 1008 RETVAL
984 1009
985int events (ev_io *w, int new_events = EV_UNDEF) 1010int events (ev_io *w, int new_events = NO_INIT)
986 CODE: 1011 CODE:
987{ 1012{
988 RETVAL = w->events; 1013 RETVAL = w->events;
989 1014
990 if (items > 1) 1015 if (items > 1 && (new_events ^ w->events) & (EV_READ | EV_WRITE))
991 RESET (io, w, (w, w->fd, new_events)); 1016 {
1017 PAUSE (io);
1018 ev_io_modify (w, new_events);
1019 RESUME (io);
1020 }
992} 1021}
993 OUTPUT: 1022 OUTPUT:
994 RETVAL 1023 RETVAL
995 1024
996MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_ 1025MODULE = EV PACKAGE = EV::Signal PREFIX = ev_signal_
… …
1015 CHECK_SIG (signal, signum); 1044 CHECK_SIG (signal, signum);
1016 1045
1017 RESET_SIGNAL (w, (w, signum)); 1046 RESET_SIGNAL (w, (w, signum));
1018} 1047}
1019 1048
1020int signal (ev_signal *w, SV *new_signal = 0) 1049int signal (ev_signal *w, SV *new_signal = NO_INIT)
1021 CODE: 1050 CODE:
1022{ 1051{
1023 RETVAL = w->signum; 1052 RETVAL = w->signum;
1024 1053
1025 if (items > 1) 1054 if (items > 1)
1026 { 1055 {
1027 Signal signum = s_signum (new_signal); 1056 Signal signum = s_signum (new_signal);
1028 CHECK_SIG (new_signal, signum); 1057 CHECK_SIG (new_signal, signum);
1029
1030 RESET_SIGNAL (w, (w, signum)); 1058 RESET_SIGNAL (w, (w, signum));
1031 } 1059 }
1032} 1060}
1033 OUTPUT: 1061 OUTPUT:
1034 RETVAL 1062 RETVAL
… …
1043 1071
1044void ev_timer_stop (ev_timer *w) 1072void ev_timer_stop (ev_timer *w)
1045 CODE: 1073 CODE:
1046 STOP (timer, w); 1074 STOP (timer, w);
1047 1075
1048void ev_timer_again (ev_timer *w) 1076void ev_timer_again (ev_timer *w, NV repeat = NO_INIT)
1049 INIT:
1050 CHECK_REPEAT (w->repeat);
1051 CODE: 1077 CODE:
1078{
1079 if (items > 1)
1080 {
1081 CHECK_REPEAT (repeat);
1082 w->repeat = repeat;
1083 }
1084
1052 ev_timer_again (e_loop (w), w); 1085 ev_timer_again (e_loop (w), w);
1053 UNREF (w); 1086 UNREF (w);
1087}
1054 1088
1055NV ev_timer_remaining (ev_timer *w) 1089NV ev_timer_remaining (ev_timer *w)
1056 C_ARGS: e_loop (w), w 1090 C_ARGS: e_loop (w), w
1057 1091
1058void DESTROY (ev_timer *w) 1092void DESTROY (ev_timer *w)
… …
1064 INIT: 1098 INIT:
1065 CHECK_REPEAT (repeat); 1099 CHECK_REPEAT (repeat);
1066 CODE: 1100 CODE:
1067 RESET (timer, w, (w, after, repeat)); 1101 RESET (timer, w, (w, after, repeat));
1068 1102
1103NV repeat (ev_timer *w, SV *new_repeat = NO_INIT)
1104 CODE:
1105 RETVAL = w->repeat;
1106 if (items > 1)
1107 {
1108 NV repeat = SvNV (new_repeat);
1109 CHECK_REPEAT (repeat);
1110 w->repeat = repeat;
1111 }
1112 OUTPUT:
1113 RETVAL
1114
1069MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_ 1115MODULE = EV PACKAGE = EV::Periodic PREFIX = ev_periodic_
1070 1116
1071void ev_periodic_start (ev_periodic *w) 1117void ev_periodic_start (ev_periodic *w)
1072 INIT: 1118 INIT:
1073 CHECK_REPEAT (w->interval); 1119 CHECK_REPEAT (w->interval);
… …
1103 CODE: 1149 CODE:
1104 RETVAL = ev_periodic_at (w); 1150 RETVAL = ev_periodic_at (w);
1105 OUTPUT: 1151 OUTPUT:
1106 RETVAL 1152 RETVAL
1107 1153
1154NV offset (ev_periodic *w, SV *new_offset = NO_INIT)
1155 CODE:
1156 RETVAL = w->offset;
1157 if (items > 1)
1158 w->offset = SvNV (new_offset);
1159 OUTPUT:
1160 RETVAL
1161
1162NV interval (ev_periodic *w, SV *new_interval = NO_INIT)
1163 CODE:
1164 RETVAL = w->interval;
1165 if (items > 1)
1166 {
1167 NV interval = SvNV (new_interval);
1168 CHECK_REPEAT (interval);
1169 w->interval = interval;
1170 }
1171 OUTPUT:
1172 RETVAL
1173
1174SV *reschedule_cb (ev_periodic *w, SV *new_reschedule_cb = NO_INIT)
1175 CODE:
1176 RETVAL = e_fh (w) ? e_fh (w) : &PL_sv_undef;
1177 if (items > 1)
1178 {
1179 sv_2mortal (RETVAL);
1180 e_fh (w) = SvTRUE (new_reschedule_cb) ? newSVsv (new_reschedule_cb) : 0;
1181 }
1182 OUTPUT:
1183 RETVAL
1184
1108MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_ 1185MODULE = EV PACKAGE = EV::Idle PREFIX = ev_idle_
1109 1186
1110void ev_idle_start (ev_idle *w) 1187void ev_idle_start (ev_idle *w)
1111 CODE: 1188 CODE:
1112 START (idle, w); 1189 START (idle, w);
… …
1245{ 1322{
1246 sv_setsv (e_fh (w), path); 1323 sv_setsv (e_fh (w), path);
1247 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval)); 1324 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), interval));
1248} 1325}
1249 1326
1250SV *path (ev_stat *w, SV *new_path = 0) 1327SV *path (ev_stat *w, SV *new_path = NO_INIT)
1251 CODE: 1328 CODE:
1252{ 1329{
1253 RETVAL = SvREFCNT_inc (e_fh (w)); 1330 RETVAL = e_fh (w) ? e_fh (w) : &PL_sv_undef;
1254 1331
1255 if (items > 1) 1332 if (items > 1)
1256 { 1333 {
1257 SvREFCNT_dec (e_fh (w)); 1334 sv_2mortal (RETVAL);
1258 e_fh (w) = newSVsv (new_path); 1335 e_fh (w) = newSVsv (new_path);
1259 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval)); 1336 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), w->interval));
1260 } 1337 }
1261} 1338}
1262 OUTPUT: 1339 OUTPUT:
1263 RETVAL 1340 RETVAL
1264 1341
1265NV interval (ev_stat *w, NV new_interval = 0.) 1342NV interval (ev_stat *w, SV *new_interval = NO_INIT)
1266 CODE: 1343 CODE:
1267{
1268 RETVAL = w->interval; 1344 RETVAL = w->interval;
1269
1270 if (items > 1) 1345 if (items > 1)
1271 RESET (stat, w, (w, SvPVbyte_nolen (e_fh (w)), new_interval)); 1346 {
1272} 1347 PAUSE (stat);
1348 w->interval = SvNV (new_interval);
1349 RESUME (stat);
1350 }
1273 OUTPUT: 1351 OUTPUT:
1274 RETVAL 1352 RETVAL
1275 1353
1276void prev (ev_stat *w) 1354void prev (ev_stat *w)
1277 ALIAS: 1355 ALIAS:

Diff Legend

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