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/cvs/Coro/Coro/State.xs
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Comparing Coro/Coro/State.xs (file contents):
Revision 1.413 by root, Fri Jun 17 18:55:08 2011 UTC vs.
Revision 1.416 by root, Mon Dec 12 15:19:56 2011 UTC

… …
63#endif 63#endif
64 64
65/* the maximum number of idle cctx that will be pooled */ 65/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 66static int cctx_max_idle = 4;
67 67
68#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# define HAS_SCOPESTACK_NAME 1
70#endif
71
68#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 72#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
69# undef CORO_STACKGUARD 73# undef CORO_STACKGUARD
70#endif 74#endif
71 75
72#ifndef CORO_STACKGUARD 76#ifndef CORO_STACKGUARD
… …
177 void *sptr; 181 void *sptr;
178 size_t ssize; 182 size_t ssize;
179 183
180 /* cpu state */ 184 /* cpu state */
181 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 185 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
186#ifndef NDEBUG
182 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 187 JMPENV *idle_te; /* same as idle_sp, but for top_env */
188#endif
183 JMPENV *top_env; 189 JMPENV *top_env;
184 coro_context cctx; 190 coro_context cctx;
185 191
186 U32 gen; 192 U32 gen;
187#if CORO_USE_VALGRIND 193#if CORO_USE_VALGRIND
… …
637 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 643 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
638} 644}
639 645
640/** load & save, init *******************************************************/ 646/** load & save, init *******************************************************/
641 647
648ecb_inline void
649swap_sv (SV *a, SV *b)
650{
651 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
652 SV tmp;
653
654 /* swap sv_any */
655 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
656
657 /* swap sv_flags */
658 SvFLAGS (&tmp) = SvFLAGS (a);
659 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
660 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
661
662#if PERL_VERSION_ATLEAST (5,10,0)
663 /* perl 5.10 and later complicates this _quite_ a bit, but it also
664 * is much faster, so no quarrels here. alternatively, we could
665 * sv_upgrade to avoid this.
666 */
667 {
668 /* swap sv_u */
669 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
670
671 /* if SvANY points to the head, we need to adjust the pointers,
672 * as the pointer for a still points to b, and maybe vice versa.
673 */
674 #define svany_in_head(type) \
675 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
676
677 if (svany_in_head (SvTYPE (a)))
678 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
679
680 if (svany_in_head (SvTYPE (b)))
681 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
682 }
683#endif
684}
685
642/* swap sv heads, at least logically */ 686/* swap sv heads, at least logically */
643static void 687static void
644swap_svs (pTHX_ Coro__State c) 688swap_svs (pTHX_ Coro__State c)
645{ 689{
646 int i; 690 int i;
647 691
648 for (i = 0; i <= AvFILLp (c->swap_sv); ) 692 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
649 { 693 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
650 SV *a = AvARRAY (c->swap_sv)[i++];
651 SV *b = AvARRAY (c->swap_sv)[i++];
652
653 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
654 SV tmp;
655
656 /* swap sv_any */
657 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
658
659 /* swap sv_flags */
660 SvFLAGS (&tmp) = SvFLAGS (a);
661 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
662 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
663
664#if PERL_VERSION_ATLEAST (5,10,0)
665 /* perl 5.10 complicates this _quite_ a bit, but it also is
666 * much faster, so no quarrels here. alternatively, we could
667 * sv_upgrade to avoid this.
668 */
669 {
670 /* swap sv_u */
671 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
672
673 /* if SvANY points to the head, we need to adjust the pointers,
674 * as the pointer for a still points to b, and maybe vice versa.
675 */
676 #define svany_in_head(type) \
677 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
678
679 if (svany_in_head (SvTYPE (a)))
680 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
681
682 if (svany_in_head (SvTYPE (b)))
683 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
684 }
685#endif
686 }
687} 694}
688 695
689#define SWAP_SVS(coro) \ 696#define SWAP_SVS(coro) \
690 if (ecb_expect_false ((coro)->swap_sv)) \ 697 if (ecb_expect_false ((coro)->swap_sv)) \
691 swap_svs (aTHX_ (coro)) 698 swap_svs (aTHX_ (coro))
… …
879#endif 886#endif
880 887
881 New(54,PL_scopestack,8,I32); 888 New(54,PL_scopestack,8,I32);
882 PL_scopestack_ix = 0; 889 PL_scopestack_ix = 0;
883 PL_scopestack_max = 8; 890 PL_scopestack_max = 8;
891#if HAS_SCOPESTACK_NAME
892 New(54,PL_scopestack_name,8,const char*);
893#endif
884 894
885 New(54,PL_savestack,24,ANY); 895 New(54,PL_savestack,24,ANY);
886 PL_savestack_ix = 0; 896 PL_savestack_ix = 0;
887 PL_savestack_max = 24; 897 PL_savestack_max = 24;
888 898
… …
916 } 926 }
917 927
918 Safefree (PL_tmps_stack); 928 Safefree (PL_tmps_stack);
919 Safefree (PL_markstack); 929 Safefree (PL_markstack);
920 Safefree (PL_scopestack); 930 Safefree (PL_scopestack);
931#if HAS_SCOPESTACK_NAME
932 Safefree (PL_scopestack_name);
933#endif
921 Safefree (PL_savestack); 934 Safefree (PL_savestack);
922#if !PERL_VERSION_ATLEAST (5,10,0) 935#if !PERL_VERSION_ATLEAST (5,10,0)
923 Safefree (PL_retstack); 936 Safefree (PL_retstack);
924#endif 937#endif
925} 938}
… …
988 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1001 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
989 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1002 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
990 1003
991 if (svp) 1004 if (svp)
992 { 1005 {
993 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1006 SV *ssv;
1007
1008 if (!*svp)
1009 ssv = &PL_sv_undef;
1010 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1011 ssv = sv_2mortal (newRV_inc (*svp));
1012 else
1013 ssv = *svp;
1014
1015 sv_setsv (sv, ssv);
994 return 0; 1016 return 0;
995 } 1017 }
996 } 1018 }
997 1019
998 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1020 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;

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