… | |
… | |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
18 | #define ECB_NO_THREADS 1 |
18 | #define ECB_NO_THREADS 1 |
|
|
19 | #define ECB_NO_LIBM 1 |
19 | #include "ecb.h" |
20 | #include "ecb.h" |
20 | |
21 | |
21 | #include <stddef.h> |
22 | #include <stddef.h> |
22 | #include <stdio.h> |
23 | #include <stdio.h> |
23 | #include <errno.h> |
24 | #include <errno.h> |
24 | #include <assert.h> |
25 | #include <assert.h> |
|
|
26 | |
|
|
27 | #ifndef SvREFCNT_dec_NN |
|
|
28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
29 | #endif |
|
|
30 | |
|
|
31 | #ifndef SvREFCNT_inc_NN |
|
|
32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
33 | #endif |
25 | |
34 | |
26 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
27 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
28 | #endif |
37 | #endif |
29 | |
38 | |
… | |
… | |
41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
42 | # define PadARRAY AvARRAY |
51 | # define PadARRAY AvARRAY |
43 | # define PadMAX AvFILLp |
52 | # define PadMAX AvFILLp |
44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
45 | #endif |
54 | #endif |
|
|
55 | #ifndef PadnamelistREFCNT |
|
|
56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
|
|
57 | #endif |
|
|
58 | #ifndef PadnamelistREFCNT_dec |
|
|
59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
|
|
60 | #endif |
|
|
61 | |
|
|
62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
|
|
63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
|
|
64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
|
65 | # define SVt_BIND SVt_IV |
|
|
66 | #endif |
46 | |
67 | |
47 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
48 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
49 | # undef setjmp |
70 | # undef setjmp |
50 | # undef longjmp |
71 | # undef longjmp |
… | |
… | |
95 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
96 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
97 | # endif |
118 | # endif |
98 | #endif |
119 | #endif |
99 | |
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 | |
100 | static double (*nvtime)(); /* so why doesn't it take void? */ |
127 | static double (*nvtime)(); /* so why doesn't it take void? */ |
101 | static void (*u2time)(pTHX_ UV ret[2]); |
128 | static void (*u2time)(pTHX_ UV ret[2]); |
102 | |
129 | |
103 | /* we hijack an hopefully unused CV flag for our purposes */ |
130 | /* we hijack an hopefully unused CV flag for our purposes */ |
104 | #define CVf_SLF 0x4000 |
131 | #define CVf_SLF 0x4000 |
… | |
… | |
119 | |
146 | |
120 | static GV *irsgv; /* $/ */ |
147 | static GV *irsgv; /* $/ */ |
121 | static GV *stdoutgv; /* *STDOUT */ |
148 | static GV *stdoutgv; /* *STDOUT */ |
122 | static SV *rv_diehook; |
149 | static SV *rv_diehook; |
123 | static SV *rv_warnhook; |
150 | static SV *rv_warnhook; |
124 | static HV *hv_sig; /* %SIG */ |
|
|
125 | |
151 | |
126 | /* async_pool helper stuff */ |
152 | /* async_pool helper stuff */ |
127 | static SV *sv_pool_rss; |
153 | static SV *sv_pool_rss; |
128 | static SV *sv_pool_size; |
154 | static SV *sv_pool_size; |
129 | static SV *sv_async_pool_idle; /* description string */ |
155 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
235 | SV *saved_deffh; |
261 | SV *saved_deffh; |
236 | SV *invoke_cb; |
262 | SV *invoke_cb; |
237 | AV *invoke_av; |
263 | AV *invoke_av; |
238 | |
264 | |
239 | /* on_enter/on_leave */ |
265 | /* on_enter/on_leave */ |
240 | AV *on_enter; |
266 | AV *on_enter; AV *on_enter_xs; |
241 | AV *on_leave; |
267 | AV *on_leave; AV *on_leave_xs; |
242 | |
268 | |
243 | /* swap_sv */ |
269 | /* swap_sv */ |
244 | AV *swap_sv; |
270 | AV *swap_sv; |
245 | |
271 | |
246 | /* times */ |
272 | /* times */ |
… | |
… | |
482 | |
508 | |
483 | return 0; |
509 | return 0; |
484 | } |
510 | } |
485 | |
511 | |
486 | ecb_inline struct coro * |
512 | ecb_inline struct coro * |
487 | SvSTATE_ (pTHX_ SV *coro) |
513 | SvSTATE_ (pTHX_ SV *coro_sv) |
488 | { |
514 | { |
489 | MAGIC *mg; |
515 | MAGIC *mg; |
490 | |
516 | |
491 | if (SvROK (coro)) |
517 | if (SvROK (coro_sv)) |
492 | coro = SvRV (coro); |
518 | coro_sv = SvRV (coro_sv); |
493 | |
519 | |
494 | mg = SvSTATEhv_p (aTHX_ coro); |
520 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
495 | if (!mg) |
521 | if (!mg) |
496 | croak ("Coro::State object required"); |
522 | croak ("Coro::State object required"); |
497 | |
523 | |
498 | return (struct coro *)mg->mg_ptr; |
524 | return (struct coro *)mg->mg_ptr; |
499 | } |
525 | } |
… | |
… | |
510 | ecb_inline PADLIST * |
536 | ecb_inline PADLIST * |
511 | coro_derive_padlist (pTHX_ CV *cv) |
537 | coro_derive_padlist (pTHX_ CV *cv) |
512 | { |
538 | { |
513 | PADLIST *padlist = CvPADLIST (cv); |
539 | PADLIST *padlist = CvPADLIST (cv); |
514 | PADLIST *newpadlist; |
540 | PADLIST *newpadlist; |
|
|
541 | PADNAMELIST *padnames; |
515 | PAD *newpad; |
542 | PAD *newpad; |
516 | PADOFFSET off = PadlistMAX (padlist) + 1; |
543 | PADOFFSET off = PadlistMAX (padlist) + 1; |
517 | |
544 | |
518 | #if NEWPADAPI |
545 | #if NEWPADAPI |
519 | |
546 | |
|
|
547 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
548 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
520 | while (!PadlistARRAY (padlist)[off - 1]) |
549 | while (!PadlistARRAY (padlist)[off - 1]) |
521 | --off; |
550 | --off; |
522 | |
551 | |
523 | Perl_pad_push (aTHX_ padlist, off); |
552 | Perl_pad_push (aTHX_ padlist, off); |
524 | |
553 | |
… | |
… | |
544 | AvREAL_off (newpadlist); |
573 | AvREAL_off (newpadlist); |
545 | #endif |
574 | #endif |
546 | |
575 | |
547 | /* Already extended to 2 elements by newPADLIST. */ |
576 | /* Already extended to 2 elements by newPADLIST. */ |
548 | PadlistMAX (newpadlist) = 1; |
577 | PadlistMAX (newpadlist) = 1; |
549 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
578 | |
|
|
579 | padnames = PadlistNAMES (padlist); |
|
|
580 | ++PadnamelistREFCNT (padnames); |
|
|
581 | PadlistNAMES (newpadlist) = padnames; |
|
|
582 | |
550 | PadlistARRAY (newpadlist)[1] = newpad; |
583 | PadlistARRAY (newpadlist)[1] = newpad; |
551 | |
584 | |
552 | return newpadlist; |
585 | return newpadlist; |
553 | } |
586 | } |
554 | |
587 | |
… | |
… | |
562 | |
595 | |
563 | while (i > 0) /* special-case index 0 */ |
596 | while (i > 0) /* special-case index 0 */ |
564 | { |
597 | { |
565 | /* we try to be extra-careful here */ |
598 | /* we try to be extra-careful here */ |
566 | PAD *pad = PadlistARRAY (padlist)[i--]; |
599 | PAD *pad = PadlistARRAY (padlist)[i--]; |
|
|
600 | |
|
|
601 | if (pad) |
|
|
602 | { |
567 | I32 j = PadMAX (pad); |
603 | I32 j = PadMAX (pad); |
568 | |
604 | |
569 | while (j >= 0) |
605 | while (j >= 0) |
570 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
606 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
571 | |
607 | |
572 | PadMAX (pad) = -1; |
608 | PadMAX (pad) = -1; |
573 | SvREFCNT_dec (pad); |
609 | SvREFCNT_dec (pad); |
|
|
610 | } |
574 | } |
611 | } |
575 | |
612 | |
576 | SvREFCNT_dec (PadlistNAMES (padlist)); |
613 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
577 | |
614 | |
578 | #if NEWPADAPI |
615 | #if NEWPADAPI |
579 | Safefree (PadlistARRAY (padlist)); |
616 | Safefree (PadlistARRAY (padlist)); |
580 | Safefree (padlist); |
617 | Safefree (padlist); |
581 | #else |
618 | #else |
… | |
… | |
677 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
714 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
678 | |
715 | |
679 | /* if SvANY points to the head, we need to adjust the pointers, |
716 | /* if SvANY points to the head, we need to adjust the pointers, |
680 | * as the pointer for a still points to b, and maybe vice versa. |
717 | * as the pointer for a still points to b, and maybe vice versa. |
681 | */ |
718 | */ |
682 | #define svany_in_head(type) \ |
719 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
683 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
720 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
721 | svany_in_head_set |= 1 << SVt_NV; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
684 | |
725 | |
685 | if (svany_in_head (SvTYPE (a))) |
726 | if (svany_in_head (SvTYPE (a))) |
686 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
727 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
687 | |
728 | |
688 | if (svany_in_head (SvTYPE (b))) |
729 | if (svany_in_head (SvTYPE (b))) |
… | |
… | |
691 | #endif |
732 | #endif |
692 | } |
733 | } |
693 | |
734 | |
694 | /* swap sv heads, at least logically */ |
735 | /* swap sv heads, at least logically */ |
695 | static void |
736 | static void |
696 | swap_svs (pTHX_ Coro__State c) |
737 | swap_svs_enter (pTHX_ Coro__State c) |
697 | { |
738 | { |
698 | int i; |
739 | int i; |
699 | |
740 | |
700 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
741 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
701 | 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]); |
702 | } |
743 | } |
703 | |
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 | |
704 | #define SWAP_SVS(coro) \ |
754 | #define SWAP_SVS_ENTER(coro) \ |
705 | if (ecb_expect_false ((coro)->swap_sv)) \ |
755 | if (ecb_expect_false ((coro)->swap_sv)) \ |
706 | 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)) |
707 | |
761 | |
708 | static void |
762 | static void |
709 | on_enterleave_call (pTHX_ SV *cb); |
763 | on_enterleave_call (pTHX_ SV *cb); |
710 | |
764 | |
711 | static void |
765 | static void |
… | |
… | |
756 | |
810 | |
757 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
811 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
812 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
759 | } |
813 | } |
760 | |
814 | |
|
|
815 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
816 | { |
|
|
817 | int i; |
|
|
818 | |
|
|
819 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
820 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
821 | } |
|
|
822 | |
761 | SWAP_SVS (c); |
823 | SWAP_SVS_ENTER (c); |
762 | } |
824 | } |
763 | |
825 | |
764 | static void |
826 | static void |
765 | save_perl (pTHX_ Coro__State c) |
827 | save_perl (pTHX_ Coro__State c) |
766 | { |
828 | { |
767 | SWAP_SVS (c); |
829 | SWAP_SVS_LEAVE (c); |
|
|
830 | |
|
|
831 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
832 | { |
|
|
833 | int i; |
|
|
834 | |
|
|
835 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
836 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
837 | } |
768 | |
838 | |
769 | if (ecb_expect_false (c->on_leave)) |
839 | if (ecb_expect_false (c->on_leave)) |
770 | { |
840 | { |
771 | int i; |
841 | int i; |
772 | |
842 | |
… | |
… | |
899 | #endif |
969 | #endif |
900 | |
970 | |
901 | New(54,PL_savestack,24,ANY); |
971 | New(54,PL_savestack,24,ANY); |
902 | PL_savestack_ix = 0; |
972 | PL_savestack_ix = 0; |
903 | 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 |
904 | |
979 | |
905 | #if !PERL_VERSION_ATLEAST (5,10,0) |
980 | #if !PERL_VERSION_ATLEAST (5,10,0) |
906 | New(54,PL_retstack,4,OP*); |
981 | New(54,PL_retstack,4,OP*); |
907 | PL_retstack_ix = 0; |
982 | PL_retstack_ix = 0; |
908 | PL_retstack_max = 4; |
983 | PL_retstack_max = 4; |
… | |
… | |
974 | } |
1049 | } |
975 | |
1050 | |
976 | return rss; |
1051 | return rss; |
977 | } |
1052 | } |
978 | |
1053 | |
979 | /** coroutine stack handling ************************************************/ |
1054 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
980 | |
|
|
981 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
982 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
983 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
984 | |
1055 | |
985 | /* apparently < 5.8.8 */ |
1056 | /* apparently < 5.8.8 */ |
986 | #ifndef MgPV_nolen_const |
1057 | #ifndef MgPV_nolen_const |
987 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1058 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
988 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1059 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
989 | (const char*)(mg)->mg_ptr) |
1060 | (const char*)(mg)->mg_ptr) |
990 | #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 | }; |
991 | |
1090 | |
992 | /* |
1091 | /* |
993 | * This overrides the default magic get method of %SIG elements. |
1092 | * This overrides the default magic get method of %SIG elements. |
994 | * 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 |
995 | * 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), |
… | |
… | |
997 | */ |
1096 | */ |
998 | static int ecb_cold |
1097 | static int ecb_cold |
999 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1098 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1000 | { |
1099 | { |
1001 | 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; |
1002 | |
1103 | |
1003 | if (*s == '_') |
1104 | SV *ssv; |
1004 | { |
|
|
1005 | SV **svp = 0; |
|
|
1006 | |
1105 | |
1007 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1008 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1009 | |
|
|
1010 | if (svp) |
1106 | if (!*svp) |
1011 | { |
|
|
1012 | SV *ssv; |
|
|
1013 | |
|
|
1014 | if (!*svp) |
|
|
1015 | ssv = &PL_sv_undef; |
1107 | ssv = &PL_sv_undef; |
1016 | 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. */ |
1017 | ssv = sv_2mortal (newRV_inc (*svp)); |
1109 | ssv = sv_2mortal (newRV_inc (*svp)); |
1018 | else |
1110 | else |
1019 | ssv = *svp; |
1111 | ssv = *svp; |
1020 | |
1112 | |
1021 | sv_setsv (sv, ssv); |
1113 | sv_setsv (sv, ssv); |
1022 | return 0; |
1114 | return 0; |
1023 | } |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
1027 | } |
1115 | } |
1028 | |
1116 | |
1029 | static int ecb_cold |
1117 | static int ecb_cold |
1030 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1031 | { |
1119 | { |
1032 | 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; |
1033 | |
1123 | |
1034 | if (*s == '_') |
|
|
1035 | { |
|
|
1036 | SV **svp = 0; |
|
|
1037 | |
|
|
1038 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1039 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1040 | |
|
|
1041 | if (svp) |
|
|
1042 | { |
|
|
1043 | SV *old = *svp; |
1124 | SV *old = *svp; |
1044 | *svp = 0; |
1125 | *svp = 0; |
1045 | SvREFCNT_dec (old); |
1126 | SvREFCNT_dec (old); |
1046 | return 0; |
1127 | return 0; |
1047 | } |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1051 | } |
1128 | } |
1052 | |
1129 | |
1053 | static int ecb_cold |
1130 | static int ecb_cold |
1054 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1055 | { |
1132 | { |
1056 | 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; |
1057 | |
1136 | |
1058 | if (*s == '_') |
|
|
1059 | { |
|
|
1060 | SV **svp = 0; |
|
|
1061 | |
|
|
1062 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1063 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1064 | |
|
|
1065 | if (svp) |
|
|
1066 | { |
|
|
1067 | SV *old = *svp; |
1137 | SV *old = *svp; |
1068 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1138 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1069 | SvREFCNT_dec (old); |
1139 | SvREFCNT_dec (old); |
1070 | return 0; |
1140 | return 0; |
1071 | } |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1075 | } |
1141 | } |
1076 | |
1142 | |
1077 | static void |
1143 | static void |
1078 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1144 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1079 | { |
1145 | { |
… | |
… | |
1090 | static int |
1156 | static int |
1091 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1157 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1092 | { |
1158 | { |
1093 | return 1; |
1159 | return 1; |
1094 | } |
1160 | } |
|
|
1161 | |
|
|
1162 | /** coroutine stack handling ************************************************/ |
1095 | |
1163 | |
1096 | static UNOP init_perl_op; |
1164 | static UNOP init_perl_op; |
1097 | |
1165 | |
1098 | 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 */ |
1099 | init_perl (pTHX_ struct coro *coro) |
1167 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1125 | |
1193 | |
1126 | GvSV (PL_defgv) = newSV (0); |
1194 | GvSV (PL_defgv) = newSV (0); |
1127 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1195 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1128 | GvSV (PL_errgv) = newSV (0); |
1196 | GvSV (PL_errgv) = newSV (0); |
1129 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1197 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1130 | GvHV (PL_hintgv) = 0; |
1198 | GvHV (PL_hintgv) = newHV (); |
|
|
1199 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1200 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1201 | #endif |
1131 | PL_rs = newSVsv (GvSV (irsgv)); |
1202 | PL_rs = newSVsv (GvSV (irsgv)); |
1132 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1203 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1133 | |
1204 | |
1134 | { |
1205 | { |
1135 | dSP; |
1206 | dSP; |
… | |
… | |
1163 | PL_op = (OP *)&init_perl_op; |
1234 | PL_op = (OP *)&init_perl_op; |
1164 | |
1235 | |
1165 | /* copy throw, in case it was set before init_perl */ |
1236 | /* copy throw, in case it was set before init_perl */ |
1166 | CORO_THROW = coro->except; |
1237 | CORO_THROW = coro->except; |
1167 | |
1238 | |
1168 | SWAP_SVS (coro); |
1239 | SWAP_SVS_ENTER (coro); |
1169 | |
1240 | |
1170 | if (ecb_expect_false (enable_times)) |
1241 | if (ecb_expect_false (enable_times)) |
1171 | { |
1242 | { |
1172 | coro_times_update (); |
1243 | coro_times_update (); |
1173 | coro_times_sub (coro); |
1244 | coro_times_sub (coro); |
… | |
… | |
1211 | /* this will cause transfer_check to croak on block*/ |
1282 | /* this will cause transfer_check to croak on block*/ |
1212 | SvRV_set (coro_current, (SV *)coro->hv); |
1283 | SvRV_set (coro_current, (SV *)coro->hv); |
1213 | |
1284 | |
1214 | load_perl (aTHX_ coro); |
1285 | load_perl (aTHX_ coro); |
1215 | |
1286 | |
|
|
1287 | /* restore swapped sv's */ |
|
|
1288 | SWAP_SVS_LEAVE (coro); |
|
|
1289 | |
1216 | coro_unwind_stacks (aTHX); |
1290 | coro_unwind_stacks (aTHX); |
1217 | |
|
|
1218 | /* restore swapped sv's */ |
|
|
1219 | SWAP_SVS (coro); |
|
|
1220 | |
1291 | |
1221 | coro_destruct_stacks (aTHX); |
1292 | coro_destruct_stacks (aTHX); |
1222 | |
1293 | |
1223 | /* now save some sv's to be free'd later */ |
1294 | /* now save some sv's to be free'd later */ |
1224 | svf [0] = GvSV (PL_defgv); |
1295 | svf [0] = GvSV (PL_defgv); |
… | |
… | |
1245 | |
1316 | |
1246 | SvREFCNT_dec (coro->saved_deffh); |
1317 | SvREFCNT_dec (coro->saved_deffh); |
1247 | SvREFCNT_dec (coro->rouse_cb); |
1318 | SvREFCNT_dec (coro->rouse_cb); |
1248 | SvREFCNT_dec (coro->invoke_cb); |
1319 | SvREFCNT_dec (coro->invoke_cb); |
1249 | SvREFCNT_dec (coro->invoke_av); |
1320 | SvREFCNT_dec (coro->invoke_av); |
|
|
1321 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1322 | SvREFCNT_dec (coro->on_leave_xs); |
1250 | } |
1323 | } |
1251 | } |
1324 | } |
1252 | |
1325 | |
1253 | ecb_inline void |
1326 | ecb_inline void |
1254 | free_coro_mortal (pTHX) |
1327 | free_coro_mortal (pTHX) |
… | |
… | |
1317 | |
1390 | |
1318 | if (PL_curcop != &PL_compiling) |
1391 | if (PL_curcop != &PL_compiling) |
1319 | { |
1392 | { |
1320 | SV **cb; |
1393 | SV **cb; |
1321 | |
1394 | |
1322 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1395 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1323 | { |
1396 | { |
1324 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1397 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1325 | |
1398 | |
1326 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1399 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1327 | { |
1400 | { |
… | |
… | |
1469 | * 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 |
1470 | * 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. |
1471 | */ |
1544 | */ |
1472 | |
1545 | |
1473 | /* |
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 | /* |
1474 | * 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 |
1475 | * 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) |
1476 | * 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 |
1477 | * doing in that case. YMMV. |
1557 | * doing in that case. YMMV. |
1478 | */ |
1558 | */ |
… | |
… | |
1904 | /* nothing to schedule: call the idle handler */ |
1984 | /* nothing to schedule: call the idle handler */ |
1905 | if (SvROK (sv_idle) |
1985 | if (SvROK (sv_idle) |
1906 | && SvOBJECT (SvRV (sv_idle))) |
1986 | && SvOBJECT (SvRV (sv_idle))) |
1907 | { |
1987 | { |
1908 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1988 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1989 | { |
|
|
1990 | require_pv ("Carp"); |
|
|
1991 | |
|
|
1992 | { |
|
|
1993 | dSP; |
|
|
1994 | |
|
|
1995 | ENTER; |
|
|
1996 | SAVETMPS; |
|
|
1997 | |
|
|
1998 | PUSHMARK (SP); |
1909 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1999 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2000 | PUTBACK; |
|
|
2001 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2002 | |
|
|
2003 | FREETMPS; |
|
|
2004 | LEAVE; |
|
|
2005 | } |
|
|
2006 | } |
1910 | |
2007 | |
1911 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2008 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1912 | api_ready (aTHX_ SvRV (sv_idle)); |
2009 | api_ready (aTHX_ SvRV (sv_idle)); |
1913 | --coro_nready; |
2010 | --coro_nready; |
1914 | } |
2011 | } |
… | |
… | |
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2315 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2219 | } |
2316 | } |
2220 | else |
2317 | else |
2221 | { |
2318 | { |
2222 | struct coro *self = SvSTATE_current; |
2319 | struct coro *self = SvSTATE_current; |
|
|
2320 | |
|
|
2321 | if (!self) |
|
|
2322 | croak ("Coro::cancel called outside of thread content,"); |
2223 | |
2323 | |
2224 | /* otherwise we cancel directly, purely for speed reasons |
2324 | /* otherwise we cancel directly, purely for speed reasons |
2225 | * unfortunately, this requires some magic trickery, as |
2325 | * unfortunately, this requires some magic trickery, as |
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
2326 | * somebody else could cancel us, so we have to fight the cancellation. |
2227 | * this is ugly, and hopefully fully worth the extra speed. |
2327 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2337 | else |
2437 | else |
2338 | { |
2438 | { |
2339 | av_clear (GvAV (PL_defgv)); |
2439 | av_clear (GvAV (PL_defgv)); |
2340 | 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); |
2341 | |
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 | |
2342 | coro->prio = 0; |
2449 | coro->prio = 0; |
2343 | |
2450 | |
2344 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2451 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2345 | api_trace (aTHX_ coro_current, 0); |
2452 | api_trace (aTHX_ coro_current, 0); |
2346 | |
2453 | |
2347 | frame->prepare = prepare_schedule; |
2454 | frame->prepare = prepare_schedule; |
2348 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2455 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2349 | } |
2456 | } |
… | |
… | |
2569 | |
2676 | |
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2677 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2571 | static void |
2678 | static void |
2572 | slf_destroy (pTHX_ struct coro *coro) |
2679 | slf_destroy (pTHX_ struct coro *coro) |
2573 | { |
2680 | { |
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
2681 | struct CoroSLF frame = coro->slf_frame; |
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
2682 | |
2578 | /* |
2683 | /* |
2579 | * The on_destroy above most likely is from an SLF call. |
2684 | * The on_destroy below most likely is from an SLF call. |
2580 | * Since by definition the SLF call will not finish when we destroy |
2685 | * Since by definition the SLF call will not finish when we destroy |
2581 | * the coro, we will have to force-finish it here, otherwise |
2686 | * the coro, we will have to force-finish it here, otherwise |
2582 | * cleanup functions cannot call SLF functions. |
2687 | * cleanup functions cannot call SLF functions. |
2583 | */ |
2688 | */ |
2584 | coro->slf_frame.prepare = 0; |
2689 | coro->slf_frame.prepare = 0; |
|
|
2690 | |
|
|
2691 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2692 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2693 | frame.destroy (aTHX_ &frame); |
2585 | } |
2694 | } |
2586 | |
2695 | |
2587 | /* |
2696 | /* |
2588 | * these not obviously related functions are all rolled into one |
2697 | * these not obviously related functions are all rolled into one |
2589 | * function to increase chances that they all will call transfer with the same |
2698 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2772 | static void |
2881 | static void |
2773 | coro_pop_on_leave (pTHX_ void *coro) |
2882 | coro_pop_on_leave (pTHX_ void *coro) |
2774 | { |
2883 | { |
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2884 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2885 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2886 | } |
|
|
2887 | |
|
|
2888 | static void |
|
|
2889 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2890 | { |
|
|
2891 | if (!hook) |
|
|
2892 | return; |
|
|
2893 | |
|
|
2894 | if (!*avp) |
|
|
2895 | { |
|
|
2896 | *avp = newAV (); |
|
|
2897 | AvREAL_off (*avp); |
|
|
2898 | } |
|
|
2899 | |
|
|
2900 | av_push (*avp, (SV *)hook); |
|
|
2901 | av_push (*avp, (SV *)arg); |
|
|
2902 | } |
|
|
2903 | |
|
|
2904 | static void |
|
|
2905 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2906 | { |
|
|
2907 | AV *av = *avp; |
|
|
2908 | int i; |
|
|
2909 | |
|
|
2910 | if (!av) |
|
|
2911 | return; |
|
|
2912 | |
|
|
2913 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2914 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2915 | { |
|
|
2916 | if (execute) |
|
|
2917 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2918 | |
|
|
2919 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2920 | av_pop (av); |
|
|
2921 | av_pop (av); |
|
|
2922 | break; |
|
|
2923 | } |
|
|
2924 | |
|
|
2925 | if (AvFILLp (av) >= 0) |
|
|
2926 | { |
|
|
2927 | *avp = 0; |
|
|
2928 | SvREFCNT_dec_NN (av); |
|
|
2929 | } |
|
|
2930 | } |
|
|
2931 | |
|
|
2932 | static void |
|
|
2933 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2934 | { |
|
|
2935 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2936 | |
|
|
2937 | if (SvSTATE_current == coro) |
|
|
2938 | if (enter) |
|
|
2939 | enter (aTHX_ enter_arg); |
|
|
2940 | |
|
|
2941 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2942 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2943 | } |
|
|
2944 | |
|
|
2945 | static void |
|
|
2946 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2947 | { |
|
|
2948 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2949 | |
|
|
2950 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2951 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2952 | } |
|
|
2953 | |
|
|
2954 | static void |
|
|
2955 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2956 | { |
|
|
2957 | struct coro *coro = SvSTATE_current; |
|
|
2958 | |
|
|
2959 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2960 | } |
|
|
2961 | |
|
|
2962 | static void |
|
|
2963 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2964 | { |
|
|
2965 | struct coro *coro = SvSTATE_current; |
|
|
2966 | |
|
|
2967 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | static void |
|
|
2971 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2972 | { |
|
|
2973 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2974 | |
|
|
2975 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2976 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2977 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2777 | } |
2978 | } |
2778 | |
2979 | |
2779 | /*****************************************************************************/ |
2980 | /*****************************************************************************/ |
2780 | /* PerlIO::cede */ |
2981 | /* PerlIO::cede */ |
2781 | |
2982 | |
… | |
… | |
2911 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3112 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2912 | PUTBACK; |
3113 | PUTBACK; |
2913 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3114 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2914 | } |
3115 | } |
2915 | |
3116 | |
2916 | SvREFCNT_dec (cb); |
3117 | SvREFCNT_dec_NN (cb); |
2917 | } |
3118 | } |
2918 | } |
3119 | } |
2919 | |
3120 | |
2920 | static void |
3121 | static void |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3122 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2929 | { |
3130 | { |
2930 | AV *av = (AV *)frame->data; |
3131 | AV *av = (AV *)frame->data; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
3132 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *coro_hv = SvRV (coro_current); |
3133 | SV *coro_hv = SvRV (coro_current); |
2933 | |
3134 | |
|
|
3135 | frame->destroy = 0; |
|
|
3136 | |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3137 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | if (CORO_THROW) |
3138 | if (ecb_expect_false (CORO_THROW)) |
|
|
3139 | { |
|
|
3140 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3141 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3142 | |
2936 | return 0; |
3143 | return 0; |
|
|
3144 | } |
2937 | else if (SvIVX (count_sv) > 0) |
3145 | else if (SvIVX (count_sv) > 0) |
2938 | { |
3146 | { |
2939 | frame->destroy = 0; |
|
|
2940 | |
|
|
2941 | if (acquire) |
3147 | if (acquire) |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3148 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | else |
3149 | else |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
3150 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | |
3151 | |
… | |
… | |
3056 | { |
3262 | { |
3057 | api_ready (aTHX_ cb); |
3263 | api_ready (aTHX_ cb); |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
3264 | sv_setiv (cb, 0); /* signal waiter */ |
3059 | } |
3265 | } |
3060 | |
3266 | |
3061 | SvREFCNT_dec (cb); |
3267 | SvREFCNT_dec_NN (cb); |
3062 | |
3268 | |
3063 | --count; |
3269 | --count; |
3064 | } |
3270 | } |
3065 | } |
3271 | } |
3066 | |
3272 | |
… | |
… | |
3151 | } |
3357 | } |
3152 | |
3358 | |
3153 | av_push (state, data_sv); |
3359 | av_push (state, data_sv); |
3154 | |
3360 | |
3155 | api_ready (aTHX_ coro); |
3361 | api_ready (aTHX_ coro); |
3156 | SvREFCNT_dec (coro); |
3362 | SvREFCNT_dec_NN (coro); |
3157 | SvREFCNT_dec ((AV *)state); |
3363 | SvREFCNT_dec_NN ((AV *)state); |
3158 | } |
3364 | } |
3159 | |
3365 | |
3160 | static int |
3366 | static int |
3161 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3367 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3162 | { |
3368 | { |
… | |
… | |
3180 | errno = data->errorno; |
3386 | errno = data->errorno; |
3181 | PL_laststype = data->laststype; |
3387 | PL_laststype = data->laststype; |
3182 | PL_laststatval = data->laststatval; |
3388 | PL_laststatval = data->laststatval; |
3183 | PL_statcache = data->statcache; |
3389 | PL_statcache = data->statcache; |
3184 | |
3390 | |
3185 | SvREFCNT_dec (data_sv); |
3391 | SvREFCNT_dec_NN (data_sv); |
3186 | } |
3392 | } |
3187 | |
3393 | |
3188 | /* push result values */ |
3394 | /* push result values */ |
3189 | { |
3395 | { |
3190 | dSP; |
3396 | dSP; |
… | |
… | |
3405 | |
3611 | |
3406 | PROTOTYPES: DISABLE |
3612 | PROTOTYPES: DISABLE |
3407 | |
3613 | |
3408 | BOOT: |
3614 | BOOT: |
3409 | { |
3615 | { |
|
|
3616 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3617 | #include "state.h" |
3410 | #ifdef USE_ITHREADS |
3618 | #ifdef USE_ITHREADS |
3411 | # if CORO_PTHREAD |
3619 | # if CORO_PTHREAD |
3412 | coro_thx = PERL_GET_CONTEXT; |
3620 | coro_thx = PERL_GET_CONTEXT; |
3413 | # endif |
3621 | # endif |
3414 | #endif |
3622 | #endif |
… | |
… | |
3422 | cctx_current = cctx_new_empty (); |
3630 | cctx_current = cctx_new_empty (); |
3423 | |
3631 | |
3424 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3632 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3425 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3633 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3426 | |
3634 | |
3427 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3635 | { |
3428 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3636 | /* |
3429 | 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 | } |
3430 | |
3659 | |
3431 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3432 | 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)); |
3433 | 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)); |
3434 | |
3662 | |
3435 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3663 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3436 | |
3664 | |
… | |
… | |
3742 | if (ecb_expect_false (current == self)) |
3970 | if (ecb_expect_false (current == self)) |
3743 | coro_times_sub (SvSTATE (coro_current)); |
3971 | coro_times_sub (SvSTATE (coro_current)); |
3744 | } |
3972 | } |
3745 | |
3973 | |
3746 | void |
3974 | void |
3747 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3975 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3748 | CODE: |
3976 | CODE: |
3749 | { |
3977 | { |
3750 | 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); |
3751 | |
3984 | |
3752 | if (current == coro) |
3985 | if (current == coro) |
3753 | SWAP_SVS (current); |
3986 | SWAP_SVS_LEAVE (current); |
3754 | |
3987 | |
3755 | if (!coro->swap_sv) |
3988 | if (!coro->swap_sv) |
3756 | coro->swap_sv = newAV (); |
3989 | coro->swap_sv = newAV (); |
3757 | |
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 | |
3758 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4012 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3759 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4013 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4014 | |
|
|
4015 | removed: |
3760 | |
4016 | |
3761 | if (current == coro) |
4017 | if (current == coro) |
3762 | SWAP_SVS (current); |
4018 | SWAP_SVS_ENTER (current); |
3763 | } |
4019 | } |
3764 | |
4020 | |
3765 | |
4021 | |
3766 | MODULE = Coro::State PACKAGE = Coro |
4022 | MODULE = Coro::State PACKAGE = Coro |
3767 | |
4023 | |
3768 | BOOT: |
4024 | BOOT: |
3769 | { |
4025 | { |
|
|
4026 | if (SVt_LAST > 32) |
|
|
4027 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4028 | |
3770 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4029 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3771 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4030 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3772 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4031 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3773 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4032 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3774 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4033 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3800 | coroapi.ready = api_ready; |
4059 | coroapi.ready = api_ready; |
3801 | coroapi.is_ready = api_is_ready; |
4060 | coroapi.is_ready = api_is_ready; |
3802 | coroapi.nready = coro_nready; |
4061 | coroapi.nready = coro_nready; |
3803 | coroapi.current = coro_current; |
4062 | coroapi.current = coro_current; |
3804 | |
4063 | |
|
|
4064 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4065 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4066 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4067 | |
3805 | /*GCoroAPI = &coroapi;*/ |
4068 | /*GCoroAPI = &coroapi;*/ |
3806 | sv_setiv (sv, (IV)&coroapi); |
4069 | sv_setiv (sv, (IV)&coroapi); |
3807 | SvREADONLY_on (sv); |
4070 | SvREADONLY_on (sv); |
3808 | } |
4071 | } |
3809 | } |
4072 | } |
… | |
… | |
3874 | |
4137 | |
3875 | void |
4138 | void |
3876 | _set_current (SV *current) |
4139 | _set_current (SV *current) |
3877 | PROTOTYPE: $ |
4140 | PROTOTYPE: $ |
3878 | CODE: |
4141 | CODE: |
3879 | SvREFCNT_dec (SvRV (coro_current)); |
4142 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3880 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4143 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3881 | |
4144 | |
3882 | void |
4145 | void |
3883 | _set_readyhook (SV *hook) |
4146 | _set_readyhook (SV *hook) |
3884 | PROTOTYPE: $ |
4147 | PROTOTYPE: $ |
… | |
… | |
3968 | |
4231 | |
3969 | if ((SV *)hv == &PL_sv_undef) |
4232 | if ((SV *)hv == &PL_sv_undef) |
3970 | { |
4233 | { |
3971 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4234 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3972 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4235 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3973 | SvREFCNT_dec (sv); |
4236 | SvREFCNT_dec_NN (sv); |
3974 | } |
4237 | } |
3975 | |
4238 | |
3976 | { |
4239 | { |
3977 | struct coro *coro = SvSTATE_hv (hv); |
4240 | struct coro *coro = SvSTATE_hv (hv); |
3978 | |
4241 | |
… | |
… | |
3985 | api_ready (aTHX_ (SV *)hv); |
4248 | api_ready (aTHX_ (SV *)hv); |
3986 | |
4249 | |
3987 | if (GIMME_V != G_VOID) |
4250 | if (GIMME_V != G_VOID) |
3988 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4251 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3989 | else |
4252 | else |
3990 | SvREFCNT_dec (hv); |
4253 | SvREFCNT_dec_NN (hv); |
3991 | } |
4254 | } |
3992 | |
4255 | |
3993 | SV * |
4256 | SV * |
3994 | rouse_cb () |
4257 | rouse_cb () |
3995 | PROTOTYPE: |
4258 | PROTOTYPE: |
… | |
… | |
4074 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4337 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4075 | OUTPUT: |
4338 | OUTPUT: |
4076 | RETVAL |
4339 | RETVAL |
4077 | |
4340 | |
4078 | void |
4341 | void |
4079 | up (SV *self, int adjust = 1) |
4342 | up (SV *self) |
4080 | ALIAS: |
|
|
4081 | adjust = 1 |
|
|
4082 | CODE: |
4343 | CODE: |
|
|
4344 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4345 | |
|
|
4346 | void |
|
|
4347 | adjust (SV *self, int adjust) |
|
|
4348 | CODE: |
4083 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4349 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4084 | |
4350 | |
4085 | void |
4351 | void |
4086 | down (...) |
4352 | down (...) |
4087 | CODE: |
4353 | CODE: |
4088 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4354 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |