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12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | |
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18 | #define ECB_NO_THREADS 1 |
17 | #include "ecb.h" |
19 | #include "ecb.h" |
18 | |
20 | |
19 | #include <stddef.h> |
21 | #include <stddef.h> |
20 | #include <stdio.h> |
22 | #include <stdio.h> |
21 | #include <errno.h> |
23 | #include <errno.h> |
22 | #include <assert.h> |
24 | #include <assert.h> |
23 | |
25 | |
24 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
26 | #endif |
45 | #endif |
27 | |
46 | |
28 | #if defined(_WIN32) |
47 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
48 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
49 | # undef setjmp |
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… | |
101 | # if CORO_PTHREAD |
120 | # if CORO_PTHREAD |
102 | static void *coro_thx; |
121 | static void *coro_thx; |
103 | # endif |
122 | # endif |
104 | #endif |
123 | #endif |
105 | |
124 | |
106 | /* used in state.h */ |
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107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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108 | |
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109 | #ifdef __linux |
125 | #ifdef __linux |
110 | # include <time.h> /* for timespec */ |
126 | # include <time.h> /* for timespec */ |
111 | # include <syscall.h> /* for SYS_* */ |
127 | # include <syscall.h> /* for SYS_* */ |
112 | # ifdef SYS_clock_gettime |
128 | # ifdef SYS_clock_gettime |
113 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
129 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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181 | void *sptr; |
197 | void *sptr; |
182 | size_t ssize; |
198 | size_t ssize; |
183 | |
199 | |
184 | /* cpu state */ |
200 | /* cpu state */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
201 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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202 | #ifndef NDEBUG |
186 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
203 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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204 | #endif |
187 | JMPENV *top_env; |
205 | JMPENV *top_env; |
188 | coro_context cctx; |
206 | coro_context cctx; |
189 | |
207 | |
190 | U32 gen; |
208 | U32 gen; |
191 | #if CORO_USE_VALGRIND |
209 | #if CORO_USE_VALGRIND |
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211 | }; |
229 | }; |
212 | |
230 | |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
231 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | typedef struct |
232 | typedef struct |
215 | { |
233 | { |
216 | #define VARx(name,expr,type) type name; |
234 | #define VARx(name,expr,type) type name; |
217 | # include "state.h" |
235 | #include "state.h" |
218 | #undef VARx |
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219 | } perl_slots; |
236 | } perl_slots; |
220 | |
237 | |
221 | /* how many context stack entries do we need for perl_slots */ |
238 | /* how many context stack entries do we need for perl_slots */ |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
239 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | |
240 | |
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373 | time_init (pTHX) |
390 | time_init (pTHX) |
374 | { |
391 | { |
375 | SV **svp; |
392 | SV **svp; |
376 | |
393 | |
377 | require_pv ("Time/HiRes.pm"); |
394 | require_pv ("Time/HiRes.pm"); |
378 | |
395 | |
379 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
396 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
380 | |
397 | |
381 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
398 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
382 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
399 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
383 | |
400 | |
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524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
541 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | |
542 | |
526 | /*****************************************************************************/ |
543 | /*****************************************************************************/ |
527 | /* padlist management and caching */ |
544 | /* padlist management and caching */ |
528 | |
545 | |
529 | ecb_inline AV * |
546 | ecb_inline PADLIST * |
530 | coro_derive_padlist (pTHX_ CV *cv) |
547 | coro_derive_padlist (pTHX_ CV *cv) |
531 | { |
548 | { |
532 | AV *padlist = CvPADLIST (cv); |
549 | PADLIST *padlist = CvPADLIST (cv); |
533 | AV *newpadlist, *newpad; |
550 | PADLIST *newpadlist; |
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551 | PAD *newpad; |
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552 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
534 | |
553 | |
535 | newpadlist = newAV (); |
554 | newPADLIST(newpadlist); |
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555 | #if !PERL_VERSION_ATLEAST(5,15,3) |
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556 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
536 | AvREAL_off (newpadlist); |
557 | AvREAL_off (newpadlist); |
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|
558 | #endif |
537 | #if PERL_VERSION_ATLEAST (5,10,0) |
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
538 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
560 | Perl_pad_push (aTHX_ padlist, off); |
539 | #else |
561 | #else |
540 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
541 | #endif |
563 | #endif |
542 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
564 | newpad = PadlistARRAY (padlist)[off]; |
543 | --AvFILLp (padlist); |
565 | PadlistMAX (padlist) = off - 1; |
544 | |
566 | |
545 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
567 | /* Already extended to 2 elements by newPADLIST. */ |
546 | av_store (newpadlist, 1, (SV *)newpad); |
568 | PadlistMAX (newpadlist) = 1; |
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569 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
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570 | PadlistARRAY (newpadlist)[1] = newpad; |
547 | |
571 | |
548 | return newpadlist; |
572 | return newpadlist; |
549 | } |
573 | } |
550 | |
574 | |
551 | ecb_inline void |
575 | ecb_inline void |
552 | free_padlist (pTHX_ AV *padlist) |
576 | free_padlist (pTHX_ PADLIST *padlist) |
553 | { |
577 | { |
554 | /* may be during global destruction */ |
578 | /* may be during global destruction */ |
555 | if (!IN_DESTRUCT) |
579 | if (!IN_DESTRUCT) |
556 | { |
580 | { |
557 | I32 i = AvFILLp (padlist); |
581 | I32 i = PadlistMAX (padlist); |
558 | |
582 | |
559 | while (i > 0) /* special-case index 0 */ |
583 | while (i > 0) /* special-case index 0 */ |
560 | { |
584 | { |
561 | /* we try to be extra-careful here */ |
585 | /* we try to be extra-careful here */ |
562 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
586 | PAD *pad = PadlistARRAY (padlist)[i--]; |
563 | I32 j = AvFILLp (av); |
587 | I32 j = PadMAX (pad); |
564 | |
588 | |
565 | while (j >= 0) |
589 | while (j >= 0) |
566 | SvREFCNT_dec (AvARRAY (av)[j--]); |
590 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
567 | |
591 | |
568 | AvFILLp (av) = -1; |
592 | PadMAX (pad) = -1; |
569 | SvREFCNT_dec (av); |
593 | SvREFCNT_dec (pad); |
570 | } |
594 | } |
571 | |
595 | |
572 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
596 | SvREFCNT_dec (PadlistNAMES (padlist)); |
573 | |
597 | |
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598 | #ifdef NEWPADAPI |
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599 | Safefree (PadlistARRAY (padlist)); |
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600 | Safefree (padlist); |
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601 | #else |
574 | AvFILLp (padlist) = -1; |
602 | AvFILLp (padlist) = -1; |
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603 | AvREAL_off (padlist); |
575 | SvREFCNT_dec ((SV*)padlist); |
604 | SvREFCNT_dec ((SV*)padlist); |
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605 | #endif |
576 | } |
606 | } |
577 | } |
607 | } |
578 | |
608 | |
579 | static int |
609 | static int |
580 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
610 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
581 | { |
611 | { |
582 | AV *padlist; |
612 | PADLIST *padlist; |
583 | AV *av = (AV *)mg->mg_obj; |
613 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
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614 | size_t len = *(size_t *)mg->mg_ptr; |
584 | |
615 | |
585 | /* perl manages to free our internal AV and _then_ call us */ |
616 | /* perl manages to free our internal AV and _then_ call us */ |
586 | if (IN_DESTRUCT) |
617 | if (IN_DESTRUCT) |
587 | return 0; |
618 | return 0; |
588 | |
619 | |
589 | /* casting is fun. */ |
620 | while (len--) |
590 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
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591 | free_padlist (aTHX_ padlist); |
621 | free_padlist (aTHX_ padlists[len]); |
592 | |
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593 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
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594 | |
622 | |
595 | return 0; |
623 | return 0; |
596 | } |
624 | } |
597 | |
625 | |
598 | static MGVTBL coro_cv_vtbl = { |
626 | static MGVTBL coro_cv_vtbl = { |
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603 | /* the next two functions merely cache the padlists */ |
631 | /* the next two functions merely cache the padlists */ |
604 | ecb_inline void |
632 | ecb_inline void |
605 | get_padlist (pTHX_ CV *cv) |
633 | get_padlist (pTHX_ CV *cv) |
606 | { |
634 | { |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
635 | MAGIC *mg = CORO_MAGIC_cv (cv); |
608 | AV *av; |
636 | size_t *lenp; |
609 | |
637 | |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
638 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
639 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
612 | else |
640 | else |
613 | { |
641 | { |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
642 | #if CORO_PREFER_PERL_FUNCTIONS |
615 | /* this is probably cleaner? but also slower! */ |
643 | /* this is probably cleaner? but also slower! */ |
616 | /* in practise, it seems to be less stable */ |
644 | /* in practise, it seems to be less stable */ |
… | |
… | |
626 | |
654 | |
627 | ecb_inline void |
655 | ecb_inline void |
628 | put_padlist (pTHX_ CV *cv) |
656 | put_padlist (pTHX_ CV *cv) |
629 | { |
657 | { |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
658 | MAGIC *mg = CORO_MAGIC_cv (cv); |
631 | AV *av; |
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632 | |
659 | |
633 | if (ecb_expect_false (!mg)) |
660 | if (ecb_expect_false (!mg)) |
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|
661 | { |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
662 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
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663 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
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664 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
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665 | } |
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666 | else |
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667 | Renew (mg->mg_ptr, |
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668 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
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669 | char); |
635 | |
670 | |
636 | av = (AV *)mg->mg_obj; |
671 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
637 | |
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638 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
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639 | av_extend (av, AvFILLp (av) + 1); |
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640 | |
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641 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
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642 | } |
672 | } |
643 | |
673 | |
644 | /** load & save, init *******************************************************/ |
674 | /** load & save, init *******************************************************/ |
645 | |
675 | |
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676 | ecb_inline void |
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677 | swap_sv (SV *a, SV *b) |
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678 | { |
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679 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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680 | SV tmp; |
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681 | |
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682 | /* swap sv_any */ |
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683 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
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684 | |
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685 | /* swap sv_flags */ |
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686 | SvFLAGS (&tmp) = SvFLAGS (a); |
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687 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
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688 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
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689 | |
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690 | #if PERL_VERSION_ATLEAST (5,10,0) |
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691 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
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692 | * is much faster, so no quarrels here. alternatively, we could |
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693 | * sv_upgrade to avoid this. |
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694 | */ |
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695 | { |
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696 | /* swap sv_u */ |
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697 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
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698 | |
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699 | /* if SvANY points to the head, we need to adjust the pointers, |
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700 | * as the pointer for a still points to b, and maybe vice versa. |
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701 | */ |
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702 | #define svany_in_head(type) \ |
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703 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
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704 | |
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705 | if (svany_in_head (SvTYPE (a))) |
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706 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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707 | |
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708 | if (svany_in_head (SvTYPE (b))) |
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709 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
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710 | } |
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711 | #endif |
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712 | } |
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713 | |
646 | /* swap sv heads, at least logically */ |
714 | /* swap sv heads, at least logically */ |
647 | static void |
715 | static void |
648 | swap_svs (pTHX_ Coro__State c) |
716 | swap_svs (pTHX_ Coro__State c) |
649 | { |
717 | { |
650 | int i; |
718 | int i; |
651 | |
719 | |
652 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
720 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
653 | { |
721 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
654 | SV *a = AvARRAY (c->swap_sv)[i++]; |
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655 | SV *b = AvARRAY (c->swap_sv)[i++]; |
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656 | |
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657 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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658 | SV tmp; |
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659 | |
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660 | /* swap sv_any */ |
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661 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
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662 | |
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663 | /* swap sv_flags */ |
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664 | SvFLAGS (&tmp) = SvFLAGS (a); |
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665 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
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666 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
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667 | |
|
|
668 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
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669 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
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670 | * much faster, so no quarrels here. alternatively, we could |
|
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671 | * sv_upgrade to avoid this. |
|
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672 | */ |
|
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673 | { |
|
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674 | /* swap sv_u */ |
|
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675 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
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676 | |
|
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677 | /* if SvANY points to the head, we need to adjust the pointers, |
|
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678 | * as the pointer for a still points to b, and maybe vice versa. |
|
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679 | */ |
|
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680 | #define svany_in_head(type) \ |
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681 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
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682 | |
|
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683 | if (svany_in_head (SvTYPE (a))) |
|
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684 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
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685 | |
|
|
686 | if (svany_in_head (SvTYPE (b))) |
|
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687 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
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688 | } |
|
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689 | #endif |
|
|
690 | } |
|
|
691 | } |
722 | } |
692 | |
723 | |
693 | #define SWAP_SVS(coro) \ |
724 | #define SWAP_SVS(coro) \ |
694 | if (ecb_expect_false ((coro)->swap_sv)) \ |
725 | if (ecb_expect_false ((coro)->swap_sv)) \ |
695 | swap_svs (aTHX_ (coro)) |
726 | swap_svs (aTHX_ (coro)) |
… | |
… | |
707 | |
738 | |
708 | #if CORO_JIT |
739 | #if CORO_JIT |
709 | load_perl_slots (slot); |
740 | load_perl_slots (slot); |
710 | #else |
741 | #else |
711 | #define VARx(name,expr,type) expr = slot->name; |
742 | #define VARx(name,expr,type) expr = slot->name; |
712 | # include "state.h" |
743 | #include "state.h" |
713 | #undef VARx |
|
|
714 | #endif |
744 | #endif |
715 | |
745 | |
716 | { |
746 | { |
717 | dSP; |
747 | dSP; |
718 | |
748 | |
… | |
… | |
721 | /* now do the ugly restore mess */ |
751 | /* now do the ugly restore mess */ |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
752 | while (ecb_expect_true (cv = (CV *)POPs)) |
723 | { |
753 | { |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
754 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
755 | CvDEPTH (cv) = PTR2IV (POPs); |
726 | CvPADLIST (cv) = (AV *)POPs; |
756 | CvPADLIST (cv) = (PADLIST *)POPs; |
727 | } |
757 | } |
728 | |
758 | |
729 | PUTBACK; |
759 | PUTBACK; |
730 | } |
760 | } |
731 | |
761 | |
… | |
… | |
840 | |
870 | |
841 | #if CORO_JIT |
871 | #if CORO_JIT |
842 | save_perl_slots (slot); |
872 | save_perl_slots (slot); |
843 | #else |
873 | #else |
844 | #define VARx(name,expr,type) slot->name = expr; |
874 | #define VARx(name,expr,type) slot->name = expr; |
845 | # include "state.h" |
875 | #include "state.h" |
846 | #undef VARx |
|
|
847 | #endif |
876 | #endif |
848 | } |
877 | } |
849 | } |
878 | } |
850 | |
879 | |
851 | /* |
880 | /* |
… | |
… | |
995 | { |
1024 | { |
996 | SV **svp = 0; |
1025 | SV **svp = 0; |
997 | |
1026 | |
998 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1027 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
999 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1028 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1000 | |
1029 | |
1001 | if (svp) |
1030 | if (svp) |
1002 | { |
1031 | { |
1003 | SV *ssv; |
1032 | SV *ssv; |
1004 | |
1033 | |
1005 | if (!*svp) |
1034 | if (!*svp) |
… | |
… | |
1111 | PL_hints = 0; |
1140 | PL_hints = 0; |
1112 | |
1141 | |
1113 | /* recreate the die/warn hooks */ |
1142 | /* recreate the die/warn hooks */ |
1114 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1143 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1115 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1144 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1116 | |
1145 | |
1117 | GvSV (PL_defgv) = newSV (0); |
1146 | GvSV (PL_defgv) = newSV (0); |
1118 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1147 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1119 | GvSV (PL_errgv) = newSV (0); |
1148 | GvSV (PL_errgv) = newSV (0); |
1120 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1149 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1121 | GvHV (PL_hintgv) = 0; |
1150 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1414 | transfer_tail (pTHX) |
1443 | transfer_tail (pTHX) |
1415 | { |
1444 | { |
1416 | free_coro_mortal (aTHX); |
1445 | free_coro_mortal (aTHX); |
1417 | } |
1446 | } |
1418 | |
1447 | |
|
|
1448 | /* try to exit the same way perl's main function would do */ |
|
|
1449 | /* we do not bother resetting the environment or other things *7 |
|
|
1450 | /* that are not, uhm, essential */ |
|
|
1451 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1452 | static void ecb_noinline ecb_cold |
|
|
1453 | perlish_exit (pTHX) |
|
|
1454 | { |
|
|
1455 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1456 | perl_free (PL_curinterp); |
|
|
1457 | exit (exitstatus); |
|
|
1458 | } |
|
|
1459 | |
1419 | /* |
1460 | /* |
1420 | * this is a _very_ stripped down perl interpreter ;) |
1461 | * this is a _very_ stripped down perl interpreter ;) |
1421 | */ |
1462 | */ |
1422 | static void |
1463 | static void |
1423 | cctx_run (void *arg) |
1464 | cctx_run (void *arg) |
… | |
… | |
1450 | */ |
1491 | */ |
1451 | |
1492 | |
1452 | /* |
1493 | /* |
1453 | * If perl-run returns we assume exit() was being called or the coro |
1494 | * If perl-run returns we assume exit() was being called or the coro |
1454 | * fell off the end, which seems to be the only valid (non-bug) |
1495 | * fell off the end, which seems to be the only valid (non-bug) |
1455 | * reason for perl_run to return. We try to exit by jumping to the |
1496 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1456 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1497 | * doing in that case. YMMV. |
1457 | * coroutine as Coro has no such concept. |
|
|
1458 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1459 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1460 | */ |
1498 | */ |
1461 | PL_top_env = main_top_env; |
1499 | perlish_exit (aTHX); |
1462 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1463 | } |
1500 | } |
1464 | } |
1501 | } |
1465 | |
1502 | |
1466 | static coro_cctx * |
1503 | static coro_cctx * |
1467 | cctx_new (void) |
1504 | cctx_new (void) |
… | |
… | |
1496 | { |
1533 | { |
1497 | coro_cctx *cctx = cctx_new (); |
1534 | coro_cctx *cctx = cctx_new (); |
1498 | void *stack_start; |
1535 | void *stack_start; |
1499 | size_t stack_size; |
1536 | size_t stack_size; |
1500 | |
1537 | |
|
|
1538 | #if CORO_FIBER |
|
|
1539 | |
|
|
1540 | cctx->ssize = cctx_stacksize * sizeof (long); |
|
|
1541 | cctx->sptr = 0; |
|
|
1542 | |
|
|
1543 | #else |
|
|
1544 | |
1501 | #if HAVE_MMAP |
1545 | #if HAVE_MMAP |
1502 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1546 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1503 | /* mmap supposedly does allocate-on-write for us */ |
1547 | /* mmap supposedly does allocate-on-write for us */ |
1504 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1548 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0); |
1505 | |
1549 | |
1506 | if (cctx->sptr != (void *)-1) |
1550 | if (cctx->sptr != (void *)-1) |
1507 | { |
1551 | { |
1508 | #if CORO_STACKGUARD |
1552 | #if CORO_STACKGUARD |
1509 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1553 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1510 | #endif |
1554 | #endif |
1511 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1555 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
1512 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1556 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1513 | cctx->flags |= CC_MAPPED; |
1557 | cctx->flags |= CC_MAPPED; |
1514 | } |
1558 | } |
1515 | else |
1559 | else |
1516 | #endif |
1560 | #endif |
1517 | { |
1561 | { |
1518 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1562 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
1519 | New (0, cctx->sptr, cctx_stacksize, long); |
1563 | New (0, cctx->sptr, cctx_stacksize, long); |
1520 | |
1564 | |
1521 | if (!cctx->sptr) |
1565 | if (!cctx->sptr) |
1522 | { |
1566 | { |
1523 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1567 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1524 | _exit (EXIT_FAILURE); |
1568 | _exit (EXIT_FAILURE); |
1525 | } |
1569 | } |
1526 | |
1570 | |
1527 | stack_start = cctx->sptr; |
1571 | stack_start = cctx->sptr; |
1528 | stack_size = cctx->ssize; |
1572 | stack_size = cctx->ssize; |
1529 | } |
1573 | } |
|
|
1574 | #endif |
1530 | |
1575 | |
1531 | #if CORO_USE_VALGRIND |
1576 | #if CORO_USE_VALGRIND |
1532 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
1577 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
1533 | #endif |
1578 | #endif |
1534 | |
1579 | |
… | |
… | |
1724 | return; |
1769 | return; |
1725 | |
1770 | |
1726 | slf_destroy (aTHX_ coro); |
1771 | slf_destroy (aTHX_ coro); |
1727 | |
1772 | |
1728 | coro->flags |= CF_ZOMBIE; |
1773 | coro->flags |= CF_ZOMBIE; |
1729 | |
1774 | |
1730 | if (coro->flags & CF_READY) |
1775 | if (coro->flags & CF_READY) |
1731 | { |
1776 | { |
1732 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1777 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1733 | /* alternative: look through all ready queues and remove the coro */ |
1778 | /* alternative: look through all ready queues and remove the coro */ |
1734 | --coro_nready; |
1779 | --coro_nready; |
… | |
… | |
2167 | |
2212 | |
2168 | static void |
2213 | static void |
2169 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2214 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2170 | { |
2215 | { |
2171 | AV *av; |
2216 | AV *av; |
2172 | |
2217 | |
2173 | if (coro->status) |
2218 | if (coro->status) |
2174 | { |
2219 | { |
2175 | av = coro->status; |
2220 | av = coro->status; |
2176 | av_clear (av); |
2221 | av_clear (av); |
2177 | } |
2222 | } |
… | |
… | |
2224 | |
2269 | |
2225 | coro = SvSTATE (arg [0]); |
2270 | coro = SvSTATE (arg [0]); |
2226 | coro_hv = coro->hv; |
2271 | coro_hv = coro->hv; |
2227 | |
2272 | |
2228 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2273 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2229 | |
2274 | |
2230 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2275 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2231 | { |
2276 | { |
2232 | /* coro currently busy cancelling something, so just notify it */ |
2277 | /* coro currently busy cancelling something, so just notify it */ |
2233 | coro->slf_frame.data = (void *)coro; |
2278 | coro->slf_frame.data = (void *)coro; |
2234 | |
2279 | |
… | |
… | |
2413 | |
2458 | |
2414 | static int |
2459 | static int |
2415 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2460 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2416 | { |
2461 | { |
2417 | SV *data = (SV *)frame->data; |
2462 | SV *data = (SV *)frame->data; |
2418 | |
2463 | |
2419 | if (CORO_THROW) |
2464 | if (CORO_THROW) |
2420 | return 0; |
2465 | return 0; |
2421 | |
2466 | |
2422 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2467 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2423 | return 1; |
2468 | return 1; |
… | |
… | |
2459 | cb = sv_2mortal (coro->rouse_cb); |
2504 | cb = sv_2mortal (coro->rouse_cb); |
2460 | coro->rouse_cb = 0; |
2505 | coro->rouse_cb = 0; |
2461 | } |
2506 | } |
2462 | |
2507 | |
2463 | if (!SvROK (cb) |
2508 | if (!SvROK (cb) |
2464 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2509 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2465 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2510 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2466 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2511 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2467 | |
2512 | |
2468 | { |
2513 | { |
2469 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2514 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
3390 | int count; |
3435 | int count; |
3391 | |
3436 | |
3392 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3437 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3393 | |
3438 | |
3394 | PUSHMARK (SP); |
3439 | PUSHMARK (SP); |
3395 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3440 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3396 | # include "state.h" |
3441 | #include "state.h" |
3397 | #undef VARx |
|
|
3398 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3442 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3399 | SPAGAIN; |
3443 | SPAGAIN; |
3400 | |
3444 | |
3401 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3445 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3402 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3446 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
… | |
… | |
3585 | void |
3629 | void |
3586 | list () |
3630 | list () |
3587 | PROTOTYPE: |
3631 | PROTOTYPE: |
3588 | PPCODE: |
3632 | PPCODE: |
3589 | { |
3633 | { |
3590 | struct coro *coro; |
3634 | struct coro *coro; |
3591 | for (coro = coro_first; coro; coro = coro->next) |
3635 | for (coro = coro_first; coro; coro = coro->next) |
3592 | if (coro->hv) |
3636 | if (coro->hv) |
3593 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3637 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3594 | } |
3638 | } |
3595 | |
3639 | |
… | |
… | |
3659 | RETVAL = boolSV (coro->flags & ix); |
3703 | RETVAL = boolSV (coro->flags & ix); |
3660 | OUTPUT: |
3704 | OUTPUT: |
3661 | RETVAL |
3705 | RETVAL |
3662 | |
3706 | |
3663 | void |
3707 | void |
3664 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3708 | throw (SV *self, SV *exception = &PL_sv_undef) |
3665 | PROTOTYPE: $;$ |
3709 | PROTOTYPE: $;$ |
3666 | CODE: |
3710 | CODE: |
3667 | { |
3711 | { |
|
|
3712 | struct coro *coro = SvSTATE (self); |
3668 | struct coro *current = SvSTATE_current; |
3713 | struct coro *current = SvSTATE_current; |
3669 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3714 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3670 | SvREFCNT_dec (*exceptionp); |
3715 | SvREFCNT_dec (*exceptionp); |
3671 | SvGETMAGIC (exception); |
3716 | SvGETMAGIC (exception); |
3672 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3717 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3718 | |
|
|
3719 | api_ready (aTHX_ self); |
3673 | } |
3720 | } |
3674 | |
3721 | |
3675 | void |
3722 | void |
3676 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3723 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3677 | PROTOTYPE: $;$ |
3724 | PROTOTYPE: $;$ |
… | |
… | |
3754 | |
3801 | |
3755 | void |
3802 | void |
3756 | times (Coro::State self) |
3803 | times (Coro::State self) |
3757 | PPCODE: |
3804 | PPCODE: |
3758 | { |
3805 | { |
3759 | struct coro *current = SvSTATE (coro_current); |
3806 | struct coro *current = SvSTATE (coro_current); |
3760 | |
3807 | |
3761 | if (ecb_expect_false (current == self)) |
3808 | if (ecb_expect_false (current == self)) |
3762 | { |
3809 | { |
3763 | coro_times_update (); |
3810 | coro_times_update (); |
3764 | coro_times_add (SvSTATE (coro_current)); |
3811 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3807 | |
3854 | |
3808 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3855 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3809 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3856 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3810 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3857 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3811 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3858 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3812 | |
3859 | |
3813 | coro_stash = gv_stashpv ("Coro", TRUE); |
3860 | coro_stash = gv_stashpv ("Coro", TRUE); |
3814 | |
3861 | |
3815 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3862 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3816 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3863 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3817 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3864 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
4039 | on_leave = 1 |
4086 | on_leave = 1 |
4040 | PROTOTYPE: & |
4087 | PROTOTYPE: & |
4041 | CODE: |
4088 | CODE: |
4042 | { |
4089 | { |
4043 | struct coro *coro = SvSTATE_current; |
4090 | struct coro *coro = SvSTATE_current; |
4044 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4091 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4045 | |
4092 | |
4046 | block = s_get_cv_croak (block); |
4093 | block = s_get_cv_croak (block); |
4047 | |
4094 | |
4048 | if (!*avp) |
4095 | if (!*avp) |
4049 | *avp = newAV (); |
4096 | *avp = newAV (); |
… | |
… | |
4069 | |
4116 | |
4070 | SV * |
4117 | SV * |
4071 | new (SV *klass, SV *count = 0) |
4118 | new (SV *klass, SV *count = 0) |
4072 | CODE: |
4119 | CODE: |
4073 | { |
4120 | { |
4074 | int semcnt = 1; |
4121 | int semcnt = 1; |
4075 | |
4122 | |
4076 | if (count) |
4123 | if (count) |
4077 | { |
4124 | { |
4078 | SvGETMAGIC (count); |
4125 | SvGETMAGIC (count); |
4079 | |
4126 | |
… | |
… | |
4139 | XSRETURN_NO; |
4186 | XSRETURN_NO; |
4140 | } |
4187 | } |
4141 | |
4188 | |
4142 | void |
4189 | void |
4143 | waiters (SV *self) |
4190 | waiters (SV *self) |
4144 | PPCODE: |
4191 | PPCODE: |
4145 | { |
4192 | { |
4146 | AV *av = (AV *)SvRV (self); |
4193 | AV *av = (AV *)SvRV (self); |
4147 | int wcount = AvFILLp (av) + 1 - 1; |
4194 | int wcount = AvFILLp (av) + 1 - 1; |
4148 | |
4195 | |
4149 | if (GIMME_V == G_SCALAR) |
4196 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4161 | |
4208 | |
4162 | void |
4209 | void |
4163 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4210 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4164 | PPCODE: |
4211 | PPCODE: |
4165 | { |
4212 | { |
4166 | AV *av = (AV *)SvRV (sem); |
4213 | AV *av = (AV *)SvRV (sem); |
4167 | |
4214 | |
4168 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4215 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4169 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4216 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4170 | && SvIV (AvARRAY (av)[0]) == count) |
4217 | && SvIV (AvARRAY (av)[0]) == count) |
4171 | XSRETURN_YES; |
4218 | XSRETURN_YES; |
… | |
… | |
4192 | |
4239 | |
4193 | void |
4240 | void |
4194 | broadcast (SV *self) |
4241 | broadcast (SV *self) |
4195 | CODE: |
4242 | CODE: |
4196 | { |
4243 | { |
4197 | AV *av = (AV *)SvRV (self); |
4244 | AV *av = (AV *)SvRV (self); |
4198 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4245 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4199 | } |
4246 | } |
4200 | |
4247 | |
4201 | void |
4248 | void |
4202 | send (SV *self) |
4249 | send (SV *self) |
… | |
… | |
4210 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4257 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4211 | } |
4258 | } |
4212 | |
4259 | |
4213 | IV |
4260 | IV |
4214 | awaited (SV *self) |
4261 | awaited (SV *self) |
4215 | CODE: |
4262 | CODE: |
4216 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4263 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4217 | OUTPUT: |
4264 | OUTPUT: |
4218 | RETVAL |
4265 | RETVAL |
4219 | |
4266 | |
4220 | |
4267 | |
… | |
… | |
4225 | |
4272 | |
4226 | void |
4273 | void |
4227 | _schedule (...) |
4274 | _schedule (...) |
4228 | CODE: |
4275 | CODE: |
4229 | { |
4276 | { |
4230 | static int incede; |
4277 | static int incede; |
4231 | |
4278 | |
4232 | api_cede_notself (aTHX); |
4279 | api_cede_notself (aTHX); |
4233 | |
4280 | |
4234 | ++incede; |
4281 | ++incede; |
4235 | while (coro_nready >= incede && api_cede (aTHX)) |
4282 | while (coro_nready >= incede && api_cede (aTHX)) |