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Comparing Coro/Coro/State.xs (file contents):
Revision 1.432 by root, Wed May 8 00:44:44 2013 UTC vs.
Revision 1.454 by root, Tue Jul 7 00:38:03 2015 UTC

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>
25 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
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
30#ifdef PadARRAY 39#ifdef PadARRAY
31# define NEWPADAPI 40# define NEWPADAPI 1
32# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) 41# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
33#else 42#else
34typedef AV PADNAMELIST; 43typedef AV PADNAMELIST;
35# if !PERL_VERSION_ATLEAST(5,8,0) 44# if !PERL_VERSION_ATLEAST(5,8,0)
36typedef AV PADLIST; 45typedef AV PADLIST;
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
235 SV *saved_deffh; 256 SV *saved_deffh;
236 SV *invoke_cb; 257 SV *invoke_cb;
237 AV *invoke_av; 258 AV *invoke_av;
238 259
239 /* on_enter/on_leave */ 260 /* on_enter/on_leave */
240 AV *on_enter; 261 AV *on_enter; AV *on_enter_xs;
241 AV *on_leave; 262 AV *on_leave; AV *on_leave_xs;
242 263
243 /* swap_sv */ 264 /* swap_sv */
244 AV *swap_sv; 265 AV *swap_sv;
245 266
246 /* times */ 267 /* times */
482 503
483 return 0; 504 return 0;
484} 505}
485 506
486ecb_inline struct coro * 507ecb_inline struct coro *
487SvSTATE_ (pTHX_ SV *coro) 508SvSTATE_ (pTHX_ SV *coro_sv)
488{ 509{
489 MAGIC *mg; 510 MAGIC *mg;
490 511
491 if (SvROK (coro)) 512 if (SvROK (coro_sv))
492 coro = SvRV (coro); 513 coro_sv = SvRV (coro_sv);
493 514
494 mg = SvSTATEhv_p (aTHX_ coro); 515 mg = SvSTATEhv_p (aTHX_ coro_sv);
495 if (!mg) 516 if (!mg)
496 croak ("Coro::State object required"); 517 croak ("Coro::State object required");
497 518
498 return (struct coro *)mg->mg_ptr; 519 return (struct coro *)mg->mg_ptr;
499} 520}
510ecb_inline PADLIST * 531ecb_inline PADLIST *
511coro_derive_padlist (pTHX_ CV *cv) 532coro_derive_padlist (pTHX_ CV *cv)
512{ 533{
513 PADLIST *padlist = CvPADLIST (cv); 534 PADLIST *padlist = CvPADLIST (cv);
514 PADLIST *newpadlist; 535 PADLIST *newpadlist;
536 PADNAMELIST *padnames;
515 PAD *newpad; 537 PAD *newpad;
516 PADOFFSET const off = PadlistMAX (padlist) + 1; 538 PADOFFSET off = PadlistMAX (padlist) + 1;
517 539
518 newPADLIST(newpadlist); 540#if NEWPADAPI
519#if !PERL_VERSION_ATLEAST(5,15,3) 541
520 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ 542 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
521 AvREAL_off (newpadlist); 543 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
522#endif 544 while (!PadlistARRAY (padlist)[off - 1])
545 --off;
546
547 Perl_pad_push (aTHX_ padlist, off);
548
549 newpad = PadlistARRAY (padlist)[off];
550 PadlistARRAY (padlist)[off] = 0;
551
552#else
553
523#if PERL_VERSION_ATLEAST (5,10,0) 554#if PERL_VERSION_ATLEAST (5,10,0)
524 Perl_pad_push (aTHX_ padlist, off); 555 Perl_pad_push (aTHX_ padlist, off);
525#else 556#else
526 Perl_pad_push (aTHX_ padlist, off, 1); 557 Perl_pad_push (aTHX_ padlist, off, 1);
527#endif 558#endif
559
528 newpad = PadlistARRAY (padlist)[off]; 560 newpad = PadlistARRAY (padlist)[off];
529 PadlistMAX (padlist) = off - 1; 561 PadlistMAX (padlist) = off - 1;
530 562
563#endif
564
565 newPADLIST (newpadlist);
566#if !PERL_VERSION_ATLEAST(5,15,3)
567 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
568 AvREAL_off (newpadlist);
569#endif
570
531 /* Already extended to 2 elements by newPADLIST. */ 571 /* Already extended to 2 elements by newPADLIST. */
532 PadlistMAX (newpadlist) = 1; 572 PadlistMAX (newpadlist) = 1;
533 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); 573
574 padnames = PadlistNAMES (padlist);
575 ++PadnamelistREFCNT (padnames);
576 PadlistNAMES (newpadlist) = padnames;
577
534 PadlistARRAY (newpadlist)[1] = newpad; 578 PadlistARRAY (newpadlist)[1] = newpad;
535 579
536 return newpadlist; 580 return newpadlist;
537} 581}
538 582
546 590
547 while (i > 0) /* special-case index 0 */ 591 while (i > 0) /* special-case index 0 */
548 { 592 {
549 /* we try to be extra-careful here */ 593 /* we try to be extra-careful here */
550 PAD *pad = PadlistARRAY (padlist)[i--]; 594 PAD *pad = PadlistARRAY (padlist)[i--];
595
596 if (pad)
597 {
551 I32 j = PadMAX (pad); 598 I32 j = PadMAX (pad);
552 599
553 while (j >= 0) 600 while (j >= 0)
554 SvREFCNT_dec (PadARRAY (pad)[j--]); 601 SvREFCNT_dec (PadARRAY (pad)[j--]);
555 602
556 PadMAX (pad) = -1; 603 PadMAX (pad) = -1;
557 SvREFCNT_dec (pad); 604 SvREFCNT_dec (pad);
605 }
558 } 606 }
559 607
560 SvREFCNT_dec (PadlistNAMES (padlist)); 608 PadnamelistREFCNT_dec (PadlistNAMES (padlist));
561 609
562#ifdef NEWPADAPI 610#if NEWPADAPI
563 Safefree (PadlistARRAY (padlist)); 611 Safefree (PadlistARRAY (padlist));
564 Safefree (padlist); 612 Safefree (padlist);
565#else 613#else
566 AvFILLp (padlist) = -1; 614 AvFILLp (padlist) = -1;
567 AvREAL_off (padlist); 615 AvREAL_off (padlist);
661 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; 709 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
662 710
663 /* if SvANY points to the head, we need to adjust the pointers, 711 /* if SvANY points to the head, we need to adjust the pointers,
664 * as the pointer for a still points to b, and maybe vice versa. 712 * as the pointer for a still points to b, and maybe vice versa.
665 */ 713 */
666 #define svany_in_head(type) \ 714 U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV);
667 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) 715 #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
716 svany_in_head_set |= 1 << SVt_NV;
717 #endif
718
719 #define svany_in_head(type) (svany_in_head_set & (1 << (type)))
668 720
669 if (svany_in_head (SvTYPE (a))) 721 if (svany_in_head (SvTYPE (a)))
670 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); 722 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
671 723
672 if (svany_in_head (SvTYPE (b))) 724 if (svany_in_head (SvTYPE (b)))
740 792
741 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 793 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
742 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 794 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
743 } 795 }
744 796
797 if (ecb_expect_false (c->on_enter_xs))
798 {
799 int i;
800
801 for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
802 ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
803 }
804
745 SWAP_SVS (c); 805 SWAP_SVS (c);
746} 806}
747 807
748static void 808static void
749save_perl (pTHX_ Coro__State c) 809save_perl (pTHX_ Coro__State c)
750{ 810{
751 SWAP_SVS (c); 811 SWAP_SVS (c);
812
813 if (ecb_expect_false (c->on_leave_xs))
814 {
815 int i;
816
817 for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
818 ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
819 }
752 820
753 if (ecb_expect_false (c->on_leave)) 821 if (ecb_expect_false (c->on_leave))
754 { 822 {
755 int i; 823 int i;
756 824
1109 1177
1110 GvSV (PL_defgv) = newSV (0); 1178 GvSV (PL_defgv) = newSV (0);
1111 GvAV (PL_defgv) = coro->args; coro->args = 0; 1179 GvAV (PL_defgv) = coro->args; coro->args = 0;
1112 GvSV (PL_errgv) = newSV (0); 1180 GvSV (PL_errgv) = newSV (0);
1113 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1181 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1114 GvHV (PL_hintgv) = 0; 1182 GvHV (PL_hintgv) = newHV ();
1183#if PERL_VERSION_ATLEAST (5,10,0)
1184 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1185#endif
1115 PL_rs = newSVsv (GvSV (irsgv)); 1186 PL_rs = newSVsv (GvSV (irsgv));
1116 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1187 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1117 1188
1118 { 1189 {
1119 dSP; 1190 dSP;
1229 1300
1230 SvREFCNT_dec (coro->saved_deffh); 1301 SvREFCNT_dec (coro->saved_deffh);
1231 SvREFCNT_dec (coro->rouse_cb); 1302 SvREFCNT_dec (coro->rouse_cb);
1232 SvREFCNT_dec (coro->invoke_cb); 1303 SvREFCNT_dec (coro->invoke_cb);
1233 SvREFCNT_dec (coro->invoke_av); 1304 SvREFCNT_dec (coro->invoke_av);
1305 SvREFCNT_dec (coro->on_enter_xs);
1306 SvREFCNT_dec (coro->on_leave_xs);
1234 } 1307 }
1235} 1308}
1236 1309
1237ecb_inline void 1310ecb_inline void
1238free_coro_mortal (pTHX) 1311free_coro_mortal (pTHX)
1301 1374
1302 if (PL_curcop != &PL_compiling) 1375 if (PL_curcop != &PL_compiling)
1303 { 1376 {
1304 SV **cb; 1377 SV **cb;
1305 1378
1306 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) 1379 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1307 { 1380 {
1308 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1381 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1309 1382
1310 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1383 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1311 { 1384 {
1888 /* nothing to schedule: call the idle handler */ 1961 /* nothing to schedule: call the idle handler */
1889 if (SvROK (sv_idle) 1962 if (SvROK (sv_idle)
1890 && SvOBJECT (SvRV (sv_idle))) 1963 && SvOBJECT (SvRV (sv_idle)))
1891 { 1964 {
1892 if (SvRV (sv_idle) == SvRV (coro_current)) 1965 if (SvRV (sv_idle) == SvRV (coro_current))
1966 {
1967 require_pv ("Carp");
1968
1969 {
1970 dSP;
1971
1972 ENTER;
1973 SAVETMPS;
1974
1975 PUSHMARK (SP);
1893 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1976 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1977 PUTBACK;
1978 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1979
1980 FREETMPS;
1981 LEAVE;
1982 }
1983 }
1894 1984
1895 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1985 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1896 api_ready (aTHX_ SvRV (sv_idle)); 1986 api_ready (aTHX_ SvRV (sv_idle));
1897 --coro_nready; 1987 --coro_nready;
1898 } 1988 }
2202 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2292 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2203 } 2293 }
2204 else 2294 else
2205 { 2295 {
2206 struct coro *self = SvSTATE_current; 2296 struct coro *self = SvSTATE_current;
2297
2298 if (!self)
2299 croak ("Coro::cancel called outside of thread content,");
2207 2300
2208 /* otherwise we cancel directly, purely for speed reasons 2301 /* otherwise we cancel directly, purely for speed reasons
2209 * unfortunately, this requires some magic trickery, as 2302 * unfortunately, this requires some magic trickery, as
2210 * somebody else could cancel us, so we have to fight the cancellation. 2303 * somebody else could cancel us, so we have to fight the cancellation.
2211 * this is ugly, and hopefully fully worth the extra speed. 2304 * this is ugly, and hopefully fully worth the extra speed.
2553 2646
2554/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2647/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2555static void 2648static void
2556slf_destroy (pTHX_ struct coro *coro) 2649slf_destroy (pTHX_ struct coro *coro)
2557{ 2650{
2558 /* this callback is reserved for slf functions needing to do cleanup */ 2651 struct CoroSLF frame = coro->slf_frame;
2559 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2560 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2561 2652
2562 /* 2653 /*
2563 * The on_destroy above most likely is from an SLF call. 2654 * The on_destroy below most likely is from an SLF call.
2564 * Since by definition the SLF call will not finish when we destroy 2655 * Since by definition the SLF call will not finish when we destroy
2565 * the coro, we will have to force-finish it here, otherwise 2656 * the coro, we will have to force-finish it here, otherwise
2566 * cleanup functions cannot call SLF functions. 2657 * cleanup functions cannot call SLF functions.
2567 */ 2658 */
2568 coro->slf_frame.prepare = 0; 2659 coro->slf_frame.prepare = 0;
2660
2661 /* this callback is reserved for slf functions needing to do cleanup */
2662 if (frame.destroy && frame.prepare && !PL_dirty)
2663 frame.destroy (aTHX_ &frame);
2569} 2664}
2570 2665
2571/* 2666/*
2572 * these not obviously related functions are all rolled into one 2667 * these not obviously related functions are all rolled into one
2573 * function to increase chances that they all will call transfer with the same 2668 * function to increase chances that they all will call transfer with the same
2756static void 2851static void
2757coro_pop_on_leave (pTHX_ void *coro) 2852coro_pop_on_leave (pTHX_ void *coro)
2758{ 2853{
2759 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); 2854 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2760 on_enterleave_call (aTHX_ sv_2mortal (cb)); 2855 on_enterleave_call (aTHX_ sv_2mortal (cb));
2856}
2857
2858static void
2859enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg)
2860{
2861 if (!hook)
2862 return;
2863
2864 if (!*avp)
2865 {
2866 *avp = newAV ();
2867 AvREAL_off (*avp);
2868 }
2869
2870 av_push (*avp, (SV *)hook);
2871 av_push (*avp, (SV *)arg);
2872}
2873
2874static void
2875enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute)
2876{
2877 AV *av = *avp;
2878 int i;
2879
2880 if (!av)
2881 return;
2882
2883 for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
2884 if (AvARRAY (av)[i] == (SV *)hook)
2885 {
2886 if (execute)
2887 hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
2888
2889 memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
2890 av_pop (av);
2891 av_pop (av);
2892 break;
2893 }
2894
2895 if (AvFILLp (av) >= 0)
2896 {
2897 *avp = 0;
2898 SvREFCNT_dec_NN (av);
2899 }
2900}
2901
2902static void
2903api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2904{
2905 struct coro *coro = SvSTATE (coro_sv);
2906
2907 if (SvSTATE_current == coro)
2908 if (enter)
2909 enter (aTHX_ enter_arg);
2910
2911 enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
2912 enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
2913}
2914
2915static void
2916api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
2917{
2918 struct coro *coro = SvSTATE (coro_sv);
2919
2920 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2921 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
2922}
2923
2924static void
2925savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
2926{
2927 struct coro *coro = SvSTATE_current;
2928
2929 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2930}
2931
2932static void
2933savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
2934{
2935 struct coro *coro = SvSTATE_current;
2936
2937 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
2938}
2939
2940static void
2941api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2942{
2943 api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
2944
2945 /* this ought to be much cheaper than malloc + a single destructor call */
2946 if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
2947 if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2761} 2948}
2762 2949
2763/*****************************************************************************/ 2950/*****************************************************************************/
2764/* PerlIO::cede */ 2951/* PerlIO::cede */
2765 2952
2895 XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); 3082 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2896 PUTBACK; 3083 PUTBACK;
2897 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); 3084 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2898 } 3085 }
2899 3086
2900 SvREFCNT_dec (cb); 3087 SvREFCNT_dec_NN (cb);
2901 } 3088 }
2902} 3089}
2903 3090
2904static void 3091static void
2905coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) 3092coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
2913{ 3100{
2914 AV *av = (AV *)frame->data; 3101 AV *av = (AV *)frame->data;
2915 SV *count_sv = AvARRAY (av)[0]; 3102 SV *count_sv = AvARRAY (av)[0];
2916 SV *coro_hv = SvRV (coro_current); 3103 SV *coro_hv = SvRV (coro_current);
2917 3104
3105 frame->destroy = 0;
3106
2918 /* if we are about to throw, don't actually acquire the lock, just throw */ 3107 /* if we are about to throw, don't actually acquire the lock, just throw */
2919 if (CORO_THROW) 3108 if (ecb_expect_false (CORO_THROW))
3109 {
3110 /* we still might be responsible for the semaphore, so wake up others */
3111 coro_semaphore_adjust (aTHX_ av, 0);
3112
2920 return 0; 3113 return 0;
3114 }
2921 else if (SvIVX (count_sv) > 0) 3115 else if (SvIVX (count_sv) > 0)
2922 { 3116 {
2923 frame->destroy = 0;
2924
2925 if (acquire) 3117 if (acquire)
2926 SvIVX (count_sv) = SvIVX (count_sv) - 1; 3118 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2927 else 3119 else
2928 coro_semaphore_adjust (aTHX_ av, 0); 3120 coro_semaphore_adjust (aTHX_ av, 0);
2929 3121
3040 { 3232 {
3041 api_ready (aTHX_ cb); 3233 api_ready (aTHX_ cb);
3042 sv_setiv (cb, 0); /* signal waiter */ 3234 sv_setiv (cb, 0); /* signal waiter */
3043 } 3235 }
3044 3236
3045 SvREFCNT_dec (cb); 3237 SvREFCNT_dec_NN (cb);
3046 3238
3047 --count; 3239 --count;
3048 } 3240 }
3049} 3241}
3050 3242
3135 } 3327 }
3136 3328
3137 av_push (state, data_sv); 3329 av_push (state, data_sv);
3138 3330
3139 api_ready (aTHX_ coro); 3331 api_ready (aTHX_ coro);
3140 SvREFCNT_dec (coro); 3332 SvREFCNT_dec_NN (coro);
3141 SvREFCNT_dec ((AV *)state); 3333 SvREFCNT_dec_NN ((AV *)state);
3142} 3334}
3143 3335
3144static int 3336static int
3145slf_check_aio_req (pTHX_ struct CoroSLF *frame) 3337slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3146{ 3338{
3151 /* it quickly returns */ 3343 /* it quickly returns */
3152 if (CORO_THROW) 3344 if (CORO_THROW)
3153 return 0; 3345 return 0;
3154 3346
3155 /* one element that is an RV? repeat! */ 3347 /* one element that is an RV? repeat! */
3156 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3348 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3157 return 1; 3349 return 1;
3158 3350
3159 /* restore status */ 3351 /* restore status */
3160 { 3352 {
3161 SV *data_sv = av_pop (state); 3353 SV *data_sv = av_pop (state);
3164 errno = data->errorno; 3356 errno = data->errorno;
3165 PL_laststype = data->laststype; 3357 PL_laststype = data->laststype;
3166 PL_laststatval = data->laststatval; 3358 PL_laststatval = data->laststatval;
3167 PL_statcache = data->statcache; 3359 PL_statcache = data->statcache;
3168 3360
3169 SvREFCNT_dec (data_sv); 3361 SvREFCNT_dec_NN (data_sv);
3170 } 3362 }
3171 3363
3172 /* push result values */ 3364 /* push result values */
3173 { 3365 {
3174 dSP; 3366 dSP;
3389 3581
3390PROTOTYPES: DISABLE 3582PROTOTYPES: DISABLE
3391 3583
3392BOOT: 3584BOOT:
3393{ 3585{
3586#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3587#include "state.h"
3394#ifdef USE_ITHREADS 3588#ifdef USE_ITHREADS
3395# if CORO_PTHREAD 3589# if CORO_PTHREAD
3396 coro_thx = PERL_GET_CONTEXT; 3590 coro_thx = PERL_GET_CONTEXT;
3397# endif 3591# endif
3398#endif 3592#endif
3749 3943
3750MODULE = Coro::State PACKAGE = Coro 3944MODULE = Coro::State PACKAGE = Coro
3751 3945
3752BOOT: 3946BOOT:
3753{ 3947{
3948 if (SVt_LAST > 32)
3949 croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
3950
3754 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3951 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3755 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3952 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3756 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); 3953 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3757 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3954 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3758 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3955 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3784 coroapi.ready = api_ready; 3981 coroapi.ready = api_ready;
3785 coroapi.is_ready = api_is_ready; 3982 coroapi.is_ready = api_is_ready;
3786 coroapi.nready = coro_nready; 3983 coroapi.nready = coro_nready;
3787 coroapi.current = coro_current; 3984 coroapi.current = coro_current;
3788 3985
3986 coroapi.enterleave_hook = api_enterleave_hook;
3987 coroapi.enterleave_unhook = api_enterleave_unhook;
3988 coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
3989
3789 /*GCoroAPI = &coroapi;*/ 3990 /*GCoroAPI = &coroapi;*/
3790 sv_setiv (sv, (IV)&coroapi); 3991 sv_setiv (sv, (IV)&coroapi);
3791 SvREADONLY_on (sv); 3992 SvREADONLY_on (sv);
3792 } 3993 }
3793} 3994}
3858 4059
3859void 4060void
3860_set_current (SV *current) 4061_set_current (SV *current)
3861 PROTOTYPE: $ 4062 PROTOTYPE: $
3862 CODE: 4063 CODE:
3863 SvREFCNT_dec (SvRV (coro_current)); 4064 SvREFCNT_dec_NN (SvRV (coro_current));
3864 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 4065 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3865 4066
3866void 4067void
3867_set_readyhook (SV *hook) 4068_set_readyhook (SV *hook)
3868 PROTOTYPE: $ 4069 PROTOTYPE: $
3952 4153
3953 if ((SV *)hv == &PL_sv_undef) 4154 if ((SV *)hv == &PL_sv_undef)
3954 { 4155 {
3955 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); 4156 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3956 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); 4157 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3957 SvREFCNT_dec (sv); 4158 SvREFCNT_dec_NN (sv);
3958 } 4159 }
3959 4160
3960 { 4161 {
3961 struct coro *coro = SvSTATE_hv (hv); 4162 struct coro *coro = SvSTATE_hv (hv);
3962 4163
3969 api_ready (aTHX_ (SV *)hv); 4170 api_ready (aTHX_ (SV *)hv);
3970 4171
3971 if (GIMME_V != G_VOID) 4172 if (GIMME_V != G_VOID)
3972 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); 4173 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3973 else 4174 else
3974 SvREFCNT_dec (hv); 4175 SvREFCNT_dec_NN (hv);
3975} 4176}
3976 4177
3977SV * 4178SV *
3978rouse_cb () 4179rouse_cb ()
3979 PROTOTYPE: 4180 PROTOTYPE:

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