… | |
… | |
116 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
118 | # endif |
118 | # endif |
119 | #endif |
119 | #endif |
120 | |
120 | |
|
|
121 | /* perl usually suppressed asserts. for debugging, we sometimes force it to be on */ |
|
|
122 | #if 0 |
|
|
123 | # undef NDEBUG |
|
|
124 | # include <assert.h> |
|
|
125 | #endif |
|
|
126 | |
121 | static double (*nvtime)(); /* so why doesn't it take void? */ |
127 | static double (*nvtime)(); /* so why doesn't it take void? */ |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
128 | static void (*u2time)(pTHX_ UV ret[2]); |
123 | |
129 | |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
130 | /* we hijack an hopefully unused CV flag for our purposes */ |
125 | #define CVf_SLF 0x4000 |
131 | #define CVf_SLF 0x4000 |
… | |
… | |
726 | #endif |
732 | #endif |
727 | } |
733 | } |
728 | |
734 | |
729 | /* swap sv heads, at least logically */ |
735 | /* swap sv heads, at least logically */ |
730 | static void |
736 | static void |
731 | swap_svs (pTHX_ Coro__State c) |
737 | swap_svs_enter (pTHX_ Coro__State c) |
732 | { |
738 | { |
733 | int i; |
739 | int i; |
734 | |
740 | |
735 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
741 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
736 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
742 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
737 | } |
743 | } |
738 | |
744 | |
|
|
745 | static void |
|
|
746 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
747 | { |
|
|
748 | int i; |
|
|
749 | |
|
|
750 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
751 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
752 | } |
|
|
753 | |
739 | #define SWAP_SVS(coro) \ |
754 | #define SWAP_SVS_ENTER(coro) \ |
740 | if (ecb_expect_false ((coro)->swap_sv)) \ |
755 | if (ecb_expect_false ((coro)->swap_sv)) \ |
741 | swap_svs (aTHX_ (coro)) |
756 | swap_svs_enter (aTHX_ (coro)) |
|
|
757 | |
|
|
758 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
759 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
760 | swap_svs_leave (aTHX_ (coro)) |
742 | |
761 | |
743 | static void |
762 | static void |
744 | on_enterleave_call (pTHX_ SV *cb); |
763 | on_enterleave_call (pTHX_ SV *cb); |
745 | |
764 | |
746 | static void |
765 | static void |
… | |
… | |
799 | |
818 | |
800 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
819 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
801 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
820 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
802 | } |
821 | } |
803 | |
822 | |
804 | SWAP_SVS (c); |
823 | SWAP_SVS_ENTER (c); |
805 | } |
824 | } |
806 | |
825 | |
807 | static void |
826 | static void |
808 | save_perl (pTHX_ Coro__State c) |
827 | save_perl (pTHX_ Coro__State c) |
809 | { |
828 | { |
810 | SWAP_SVS (c); |
829 | SWAP_SVS_LEAVE (c); |
811 | |
830 | |
812 | if (ecb_expect_false (c->on_leave_xs)) |
831 | if (ecb_expect_false (c->on_leave_xs)) |
813 | { |
832 | { |
814 | int i; |
833 | int i; |
815 | |
834 | |
… | |
… | |
950 | #endif |
969 | #endif |
951 | |
970 | |
952 | New(54,PL_savestack,24,ANY); |
971 | New(54,PL_savestack,24,ANY); |
953 | PL_savestack_ix = 0; |
972 | PL_savestack_ix = 0; |
954 | PL_savestack_max = 24; |
973 | PL_savestack_max = 24; |
|
|
974 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
975 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
976 | /* the header macros to PL_savestack_max */ |
|
|
977 | PL_savestack_max -= SS_MAXPUSH; |
|
|
978 | #endif |
955 | |
979 | |
956 | #if !PERL_VERSION_ATLEAST (5,10,0) |
980 | #if !PERL_VERSION_ATLEAST (5,10,0) |
957 | New(54,PL_retstack,4,OP*); |
981 | New(54,PL_retstack,4,OP*); |
958 | PL_retstack_ix = 0; |
982 | PL_retstack_ix = 0; |
959 | PL_retstack_max = 4; |
983 | PL_retstack_max = 4; |
… | |
… | |
1025 | } |
1049 | } |
1026 | |
1050 | |
1027 | return rss; |
1051 | return rss; |
1028 | } |
1052 | } |
1029 | |
1053 | |
1030 | /** coroutine stack handling ************************************************/ |
1054 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
1031 | |
|
|
1032 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1033 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1034 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1035 | |
1055 | |
1036 | /* apparently < 5.8.8 */ |
1056 | /* apparently < 5.8.8 */ |
1037 | #ifndef MgPV_nolen_const |
1057 | #ifndef MgPV_nolen_const |
1038 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1058 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1039 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1059 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1040 | (const char*)(mg)->mg_ptr) |
1060 | (const char*)(mg)->mg_ptr) |
1041 | #endif |
1061 | #endif |
|
|
1062 | |
|
|
1063 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1064 | static MGVTBL coro_sigelem_vtbl; |
|
|
1065 | |
|
|
1066 | static int ecb_cold |
|
|
1067 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1068 | { |
|
|
1069 | char *key = SvPV_nolen ((SV *)name); |
|
|
1070 | |
|
|
1071 | /* do what mg_copy normally does */ |
|
|
1072 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1073 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1074 | |
|
|
1075 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1076 | if (*key == '_' |
|
|
1077 | && (strEQ (key, "__DIE__") |
|
|
1078 | || strEQ (key, "__WARN__"))) |
|
|
1079 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1080 | |
|
|
1081 | return 1; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1085 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1086 | static const MGVTBL coro_sig_vtbl = { |
|
|
1087 | 0, 0, 0, 0, 0, |
|
|
1088 | coro_sig_copy |
|
|
1089 | }; |
1042 | |
1090 | |
1043 | /* |
1091 | /* |
1044 | * This overrides the default magic get method of %SIG elements. |
1092 | * This overrides the default magic get method of %SIG elements. |
1045 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1093 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1046 | * and instead of trying to save and restore the hash elements (extremely slow), |
1094 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
1048 | */ |
1096 | */ |
1049 | static int ecb_cold |
1097 | static int ecb_cold |
1050 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1098 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1051 | { |
1099 | { |
1052 | const char *s = MgPV_nolen_const (mg); |
1100 | const char *s = MgPV_nolen_const (mg); |
|
|
1101 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1102 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1053 | |
1103 | |
1054 | if (*s == '_') |
1104 | SV *ssv; |
1055 | { |
|
|
1056 | SV **svp = 0; |
|
|
1057 | |
1105 | |
1058 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1059 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1060 | |
|
|
1061 | if (svp) |
1106 | if (!*svp) |
1062 | { |
|
|
1063 | SV *ssv; |
|
|
1064 | |
|
|
1065 | if (!*svp) |
|
|
1066 | ssv = &PL_sv_undef; |
1107 | ssv = &PL_sv_undef; |
1067 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1108 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1068 | ssv = sv_2mortal (newRV_inc (*svp)); |
1109 | ssv = sv_2mortal (newRV_inc (*svp)); |
1069 | else |
1110 | else |
1070 | ssv = *svp; |
1111 | ssv = *svp; |
1071 | |
1112 | |
1072 | sv_setsv (sv, ssv); |
1113 | sv_setsv (sv, ssv); |
1073 | return 0; |
1114 | return 0; |
1074 | } |
|
|
1075 | } |
|
|
1076 | |
|
|
1077 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
1078 | } |
1115 | } |
1079 | |
1116 | |
1080 | static int ecb_cold |
1117 | static int ecb_cold |
1081 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1082 | { |
1119 | { |
1083 | const char *s = MgPV_nolen_const (mg); |
1120 | const char *s = MgPV_nolen_const (mg); |
|
|
1121 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1122 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1084 | |
1123 | |
1085 | if (*s == '_') |
|
|
1086 | { |
|
|
1087 | SV **svp = 0; |
|
|
1088 | |
|
|
1089 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1090 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1091 | |
|
|
1092 | if (svp) |
|
|
1093 | { |
|
|
1094 | SV *old = *svp; |
1124 | SV *old = *svp; |
1095 | *svp = 0; |
1125 | *svp = 0; |
1096 | SvREFCNT_dec (old); |
1126 | SvREFCNT_dec (old); |
1097 | return 0; |
1127 | return 0; |
1098 | } |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1102 | } |
1128 | } |
1103 | |
1129 | |
1104 | static int ecb_cold |
1130 | static int ecb_cold |
1105 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1106 | { |
1132 | { |
1107 | const char *s = MgPV_nolen_const (mg); |
1133 | const char *s = MgPV_nolen_const (mg); |
|
|
1134 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1135 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1108 | |
1136 | |
1109 | if (*s == '_') |
|
|
1110 | { |
|
|
1111 | SV **svp = 0; |
|
|
1112 | |
|
|
1113 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1114 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1115 | |
|
|
1116 | if (svp) |
|
|
1117 | { |
|
|
1118 | SV *old = *svp; |
1137 | SV *old = *svp; |
1119 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1138 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1120 | SvREFCNT_dec (old); |
1139 | SvREFCNT_dec (old); |
1121 | return 0; |
1140 | return 0; |
1122 | } |
|
|
1123 | } |
|
|
1124 | |
|
|
1125 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1126 | } |
1141 | } |
1127 | |
1142 | |
1128 | static void |
1143 | static void |
1129 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1144 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1130 | { |
1145 | { |
… | |
… | |
1141 | static int |
1156 | static int |
1142 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1157 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1143 | { |
1158 | { |
1144 | return 1; |
1159 | return 1; |
1145 | } |
1160 | } |
|
|
1161 | |
|
|
1162 | /** coroutine stack handling ************************************************/ |
1146 | |
1163 | |
1147 | static UNOP init_perl_op; |
1164 | static UNOP init_perl_op; |
1148 | |
1165 | |
1149 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1166 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1150 | init_perl (pTHX_ struct coro *coro) |
1167 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1217 | PL_op = (OP *)&init_perl_op; |
1234 | PL_op = (OP *)&init_perl_op; |
1218 | |
1235 | |
1219 | /* copy throw, in case it was set before init_perl */ |
1236 | /* copy throw, in case it was set before init_perl */ |
1220 | CORO_THROW = coro->except; |
1237 | CORO_THROW = coro->except; |
1221 | |
1238 | |
1222 | SWAP_SVS (coro); |
1239 | SWAP_SVS_ENTER (coro); |
1223 | |
1240 | |
1224 | if (ecb_expect_false (enable_times)) |
1241 | if (ecb_expect_false (enable_times)) |
1225 | { |
1242 | { |
1226 | coro_times_update (); |
1243 | coro_times_update (); |
1227 | coro_times_sub (coro); |
1244 | coro_times_sub (coro); |
… | |
… | |
1265 | /* this will cause transfer_check to croak on block*/ |
1282 | /* this will cause transfer_check to croak on block*/ |
1266 | SvRV_set (coro_current, (SV *)coro->hv); |
1283 | SvRV_set (coro_current, (SV *)coro->hv); |
1267 | |
1284 | |
1268 | load_perl (aTHX_ coro); |
1285 | load_perl (aTHX_ coro); |
1269 | |
1286 | |
|
|
1287 | /* restore swapped sv's */ |
|
|
1288 | SWAP_SVS_LEAVE (coro); |
|
|
1289 | |
1270 | coro_unwind_stacks (aTHX); |
1290 | coro_unwind_stacks (aTHX); |
1271 | |
|
|
1272 | /* restore swapped sv's */ |
|
|
1273 | SWAP_SVS (coro); |
|
|
1274 | |
1291 | |
1275 | coro_destruct_stacks (aTHX); |
1292 | coro_destruct_stacks (aTHX); |
1276 | |
1293 | |
1277 | /* now save some sv's to be free'd later */ |
1294 | /* now save some sv's to be free'd later */ |
1278 | svf [0] = GvSV (PL_defgv); |
1295 | svf [0] = GvSV (PL_defgv); |
… | |
… | |
1525 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1542 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1526 | * runtime errors here, as this is just a random interpreter, not a thread. |
1543 | * runtime errors here, as this is just a random interpreter, not a thread. |
1527 | */ |
1544 | */ |
1528 | |
1545 | |
1529 | /* |
1546 | /* |
|
|
1547 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1548 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1549 | */ |
|
|
1550 | if (!PL_scopestack_ix) |
|
|
1551 | ENTER; |
|
|
1552 | |
|
|
1553 | /* |
1530 | * If perl-run returns we assume exit() was being called or the coro |
1554 | * If perl-run returns we assume exit() was being called or the coro |
1531 | * fell off the end, which seems to be the only valid (non-bug) |
1555 | * fell off the end, which seems to be the only valid (non-bug) |
1532 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1556 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1533 | * doing in that case. YMMV. |
1557 | * doing in that case. YMMV. |
1534 | */ |
1558 | */ |
… | |
… | |
2413 | else |
2437 | else |
2414 | { |
2438 | { |
2415 | av_clear (GvAV (PL_defgv)); |
2439 | av_clear (GvAV (PL_defgv)); |
2416 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2440 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2417 | |
2441 | |
|
|
2442 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2443 | { |
|
|
2444 | SWAP_SVS_LEAVE (coro); |
|
|
2445 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2446 | coro->swap_sv = 0; |
|
|
2447 | } |
|
|
2448 | |
2418 | coro->prio = 0; |
2449 | coro->prio = 0; |
2419 | |
2450 | |
2420 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2451 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2421 | api_trace (aTHX_ coro_current, 0); |
2452 | api_trace (aTHX_ coro_current, 0); |
2422 | |
2453 | |
2423 | frame->prepare = prepare_schedule; |
2454 | frame->prepare = prepare_schedule; |
2424 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2455 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2425 | } |
2456 | } |
… | |
… | |
3599 | cctx_current = cctx_new_empty (); |
3630 | cctx_current = cctx_new_empty (); |
3600 | |
3631 | |
3601 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3632 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3602 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3633 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3603 | |
3634 | |
3604 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3635 | { |
3605 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3636 | /* |
3606 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3637 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3638 | * by coro_sig_vtbl in hash values. |
|
|
3639 | */ |
|
|
3640 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3641 | |
|
|
3642 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3643 | assert (!mg->mg_virtual); |
|
|
3644 | |
|
|
3645 | /* |
|
|
3646 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3647 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3648 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3649 | * them. |
|
|
3650 | */ |
|
|
3651 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3652 | mg->mg_flags |= MGf_COPY; |
|
|
3653 | |
|
|
3654 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3655 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3656 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3657 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3658 | } |
3607 | |
3659 | |
3608 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3660 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3609 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3661 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3610 | |
3662 | |
3611 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3663 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
… | |
… | |
3918 | if (ecb_expect_false (current == self)) |
3970 | if (ecb_expect_false (current == self)) |
3919 | coro_times_sub (SvSTATE (coro_current)); |
3971 | coro_times_sub (SvSTATE (coro_current)); |
3920 | } |
3972 | } |
3921 | |
3973 | |
3922 | void |
3974 | void |
3923 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3975 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3924 | CODE: |
3976 | CODE: |
3925 | { |
3977 | { |
3926 | struct coro *current = SvSTATE_current; |
3978 | struct coro *current = SvSTATE_current; |
|
|
3979 | AV *swap_sv; |
|
|
3980 | int i; |
|
|
3981 | |
|
|
3982 | sva = SvRV (sva); |
|
|
3983 | svb = SvRV (svb); |
3927 | |
3984 | |
3928 | if (current == coro) |
3985 | if (current == coro) |
3929 | SWAP_SVS (current); |
3986 | SWAP_SVS_LEAVE (current); |
3930 | |
3987 | |
3931 | if (!coro->swap_sv) |
3988 | if (!coro->swap_sv) |
3932 | coro->swap_sv = newAV (); |
3989 | coro->swap_sv = newAV (); |
3933 | |
3990 | |
|
|
3991 | swap_sv = coro->swap_sv; |
|
|
3992 | |
|
|
3993 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3994 | { |
|
|
3995 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3996 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
3997 | |
|
|
3998 | if (a == sva && b == svb) |
|
|
3999 | { |
|
|
4000 | SvREFCNT_dec_NN (a); |
|
|
4001 | SvREFCNT_dec_NN (b); |
|
|
4002 | |
|
|
4003 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4004 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4005 | |
|
|
4006 | AvFILLp (swap_sv) -= 2; |
|
|
4007 | |
|
|
4008 | goto removed; |
|
|
4009 | } |
|
|
4010 | } |
|
|
4011 | |
3934 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4012 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3935 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4013 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4014 | |
|
|
4015 | removed: |
3936 | |
4016 | |
3937 | if (current == coro) |
4017 | if (current == coro) |
3938 | SWAP_SVS (current); |
4018 | SWAP_SVS_ENTER (current); |
3939 | } |
4019 | } |
3940 | |
4020 | |
3941 | |
4021 | |
3942 | MODULE = Coro::State PACKAGE = Coro |
4022 | MODULE = Coro::State PACKAGE = Coro |
3943 | |
4023 | |