| … | |
… | |
| 711 | } |
711 | } |
| 712 | |
712 | |
| 713 | return rss; |
713 | return rss; |
| 714 | } |
714 | } |
| 715 | |
715 | |
|
|
716 | /** set stacklevel support **************************************************/ |
|
|
717 | |
|
|
718 | /* we sometimes need to create the effect of pp_set_stacklevel calling us */ |
|
|
719 | #define SSL_HEAD (void)0 |
|
|
720 | /* we somtimes need to create the effect of leaving via pp_set_stacklevel */ |
|
|
721 | #define SSL_TAIL set_stacklevel_tail (aTHX) |
|
|
722 | |
|
|
723 | INLINE void |
|
|
724 | set_stacklevel_tail (pTHX) |
|
|
725 | { |
|
|
726 | dSP; |
|
|
727 | int gimme = GIMME_V; |
|
|
728 | |
|
|
729 | if (gimme == G_SCALAR) |
|
|
730 | XPUSHs (&PL_sv_undef); |
|
|
731 | |
|
|
732 | PUTBACK; |
|
|
733 | } |
|
|
734 | |
| 716 | /** coroutine stack handling ************************************************/ |
735 | /** coroutine stack handling ************************************************/ |
| 717 | |
736 | |
| 718 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
737 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
| 719 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
738 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
| 720 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
739 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
| … | |
… | |
| 723 | #ifndef MgPV_nolen_const |
742 | #ifndef MgPV_nolen_const |
| 724 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
743 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
| 725 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
744 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
| 726 | (const char*)(mg)->mg_ptr) |
745 | (const char*)(mg)->mg_ptr) |
| 727 | #endif |
746 | #endif |
| 728 | |
|
|
| 729 | /* we sometimes need to create the effect of entersub calling us */ |
|
|
| 730 | #define SSL_HEAD (void)0 |
|
|
| 731 | /* we somtimes need to create the effect of leaving via entersub */ |
|
|
| 732 | #define SSL_TAIL (void)0 |
|
|
| 733 | |
747 | |
| 734 | /* |
748 | /* |
| 735 | * This overrides the default magic get method of %SIG elements. |
749 | * This overrides the default magic get method of %SIG elements. |
| 736 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
750 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
| 737 | * and instead of tryign to save and restore the hash elements, we just provide |
751 | * and instead of tryign to save and restore the hash elements, we just provide |
| … | |
… | |
| 857 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
| 858 | SPAGAIN; |
872 | SPAGAIN; |
| 859 | } |
873 | } |
| 860 | |
874 | |
| 861 | /* this newly created coroutine might be run on an existing cctx which most |
875 | /* this newly created coroutine might be run on an existing cctx which most |
| 862 | * likely was suspended in set_stacklevel, called from entersub. |
876 | * likely was suspended in set_stacklevel, called from pp_set_stacklevel, |
| 863 | * set_stacklevel doesn't do anything on return, but entersub does LEAVE, |
877 | * so we have to emulate entering pp_set_stacklevel here. |
| 864 | * so we ENTER here for symmetry. |
|
|
| 865 | */ |
878 | */ |
| 866 | SSL_HEAD; |
879 | SSL_HEAD; |
| 867 | } |
880 | } |
| 868 | |
881 | |
| 869 | static void |
882 | static void |
| … | |
… | |
| 1105 | # endif |
1118 | # endif |
| 1106 | #endif |
1119 | #endif |
| 1107 | { |
1120 | { |
| 1108 | dTHX; |
1121 | dTHX; |
| 1109 | |
1122 | |
| 1110 | /* entersub called ENTER, but we never 'returned', undo that here */ |
1123 | /* we are the alternative tail to pp_set_stacklevel */ |
|
|
1124 | /* so do the same things here */ |
| 1111 | SSL_TAIL; |
1125 | SSL_TAIL; |
| 1112 | |
1126 | |
| 1113 | /* we now skip the op that did lead to transfer() */ |
1127 | /* we now skip the op that did lead to transfer() */ |
| 1114 | PL_op = PL_op->op_next; |
1128 | PL_op = PL_op->op_next; |
| 1115 | |
1129 | |
| … | |
… | |
| 1885 | prepare_cede (aTHX_ &ta); |
1899 | prepare_cede (aTHX_ &ta); |
| 1886 | break; |
1900 | break; |
| 1887 | |
1901 | |
| 1888 | case 4: |
1902 | case 4: |
| 1889 | if (!prepare_cede_notself (aTHX_ &ta)) |
1903 | if (!prepare_cede_notself (aTHX_ &ta)) |
| 1890 | RETURN; |
1904 | goto skip; |
| 1891 | |
1905 | |
| 1892 | break; |
1906 | break; |
| 1893 | } |
1907 | } |
| 1894 | |
1908 | |
| 1895 | TRANSFER (ta, 0); |
1909 | TRANSFER (ta, 0); |
| 1896 | SPAGAIN; |
1910 | SPAGAIN; |
| 1897 | |
1911 | |
| 1898 | skip: |
1912 | skip: |
| 1899 | |
1913 | PUTBACK; |
|
|
1914 | SSL_TAIL; |
|
|
1915 | SPAGAIN; |
| 1900 | RETURN; |
1916 | RETURN; |
| 1901 | } |
1917 | } |
| 1902 | |
1918 | |
| 1903 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1919 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
| 1904 | |
1920 | |
