… | |
… | |
145 | I32 retstack_max; |
145 | I32 retstack_max; |
146 | PMOP *curpm; |
146 | PMOP *curpm; |
147 | COP *curcop; |
147 | COP *curcop; |
148 | JMPENV *top_env; |
148 | JMPENV *top_env; |
149 | |
149 | |
|
|
150 | /* coro process data */ |
|
|
151 | int prio; |
|
|
152 | |
150 | /* data associated with this coroutine (initial args) */ |
153 | /* data associated with this coroutine (initial args) */ |
151 | AV *args; |
154 | AV *args; |
|
|
155 | int refcnt; |
152 | }; |
156 | }; |
153 | |
157 | |
154 | typedef struct coro *Coro__State; |
158 | typedef struct coro *Coro__State; |
155 | typedef struct coro *Coro__State_or_hashref; |
159 | typedef struct coro *Coro__State_or_hashref; |
156 | |
160 | |
… | |
… | |
772 | coro_mortal = 0; |
776 | coro_mortal = 0; |
773 | } |
777 | } |
774 | UNLOCK; |
778 | UNLOCK; |
775 | } |
779 | } |
776 | |
780 | |
|
|
781 | /* use this function pointer to call the above function */ |
|
|
782 | /* this is done to increase chances of the compiler not inlining the call */ |
777 | void (*coro_state_transfer)(pTHX_ struct coro *prev, struct coro *next, int flags) = transfer_impl; |
783 | void (*coro_state_transfer)(pTHX_ struct coro *prev, struct coro *next, int flags) = transfer_impl; |
778 | |
784 | |
779 | #define SV_CORO(sv,func) \ |
785 | #define SV_CORO(sv,func) \ |
780 | do { \ |
786 | do { \ |
781 | if (SvROK (sv)) \ |
787 | if (SvROK (sv)) \ |
782 | sv = SvRV (sv); \ |
788 | sv = SvRV (sv); \ |
783 | \ |
789 | \ |
784 | if (SvTYPE (sv) == SVt_PVHV) \ |
790 | if (SvTYPE (sv) == SVt_PVHV && SvSTASH (sv) != coro_state_stash) \ |
785 | { \ |
791 | { \ |
786 | HE *he = hv_fetch_ent ((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \ |
792 | HE *he = hv_fetch_ent ((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \ |
787 | \ |
793 | \ |
788 | if (!he) \ |
794 | if (!he) \ |
789 | croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \ |
795 | croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \ |
… | |
… | |
795 | if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \ |
801 | if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \ |
796 | croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \ |
802 | croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \ |
797 | \ |
803 | \ |
798 | } while(0) |
804 | } while(0) |
799 | |
805 | |
800 | #define SvSTATE(sv) INT2PTR (struct coro *, SvIVX (sv)) |
806 | static void |
|
|
807 | coro_state_destroy (struct coro *coro) |
|
|
808 | { |
|
|
809 | if (coro->refcnt--) |
|
|
810 | return; |
|
|
811 | |
|
|
812 | if (coro->mainstack && coro->mainstack != main_mainstack) |
|
|
813 | { |
|
|
814 | struct coro temp; |
|
|
815 | |
|
|
816 | SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL); |
|
|
817 | LOAD (aTHX_ coro); |
|
|
818 | |
|
|
819 | destroy_stacks (aTHX); |
|
|
820 | |
|
|
821 | LOAD ((&temp)); /* this will get rid of defsv etc.. */ |
|
|
822 | |
|
|
823 | coro->mainstack = 0; |
|
|
824 | } |
|
|
825 | |
|
|
826 | deallocate_stack (coro); |
|
|
827 | SvREFCNT_dec (coro->args); |
|
|
828 | Safefree (coro); |
|
|
829 | } |
|
|
830 | |
|
|
831 | static int |
|
|
832 | coro_state_clear (SV *sv, MAGIC *mg) |
|
|
833 | { |
|
|
834 | struct coro *coro = (struct coro *)mg->mg_ptr; |
|
|
835 | mg->mg_ptr = 0; |
|
|
836 | |
|
|
837 | coro_state_destroy (coro); |
|
|
838 | |
|
|
839 | return 0; |
|
|
840 | } |
|
|
841 | |
|
|
842 | static int |
|
|
843 | coro_state_dup (MAGIC *mg, CLONE_PARAMS *params) |
|
|
844 | { |
|
|
845 | struct coro *coro = (struct coro *)mg->mg_ptr; |
|
|
846 | |
|
|
847 | ++coro->refcnt; |
|
|
848 | |
|
|
849 | return 0; |
|
|
850 | } |
|
|
851 | |
|
|
852 | static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 }; |
|
|
853 | |
|
|
854 | static struct coro * |
|
|
855 | SvSTATE (SV *coro) |
|
|
856 | { |
|
|
857 | MAGIC *mg = SvMAGIC (SvROK (coro) ? SvRV (coro) : coro); |
|
|
858 | assert (mg->mg_type == PERL_MAGIC_ext); |
|
|
859 | return (struct coro *)mg->mg_ptr; |
|
|
860 | } |
801 | |
861 | |
802 | static void |
862 | static void |
803 | api_transfer (pTHX_ SV *prev, SV *next, int flags) |
863 | api_transfer (pTHX_ SV *prev, SV *next, int flags) |
804 | { |
864 | { |
805 | SV_CORO (prev, "Coro::transfer"); |
865 | SV_CORO (prev, "Coro::transfer"); |
… | |
… | |
823 | static int coro_nready; |
883 | static int coro_nready; |
824 | |
884 | |
825 | static void |
885 | static void |
826 | coro_enq (pTHX_ SV *sv) |
886 | coro_enq (pTHX_ SV *sv) |
827 | { |
887 | { |
828 | SV **xprio; |
|
|
829 | int prio; |
888 | int prio; |
830 | |
889 | |
831 | if (SvTYPE (sv) != SVt_PVHV) |
890 | if (SvTYPE (sv) != SVt_PVHV) |
832 | croak ("Coro::ready tried to enqueue something that is not a coroutine"); |
891 | croak ("Coro::ready tried to enqueue something that is not a coroutine"); |
833 | |
892 | |
834 | xprio = hv_fetch ((HV *)sv, "prio", 4, 0); |
893 | { |
835 | prio = xprio ? SvIV (*xprio) : PRIO_NORMAL; |
894 | SV *coro = sv; |
836 | |
895 | SV_CORO (coro, "omg"); |
837 | prio = prio > PRIO_MAX ? PRIO_MAX |
896 | prio = SvSTATE (coro)->prio; |
838 | : prio < PRIO_MIN ? PRIO_MIN |
897 | } |
839 | : prio; |
|
|
840 | |
898 | |
841 | av_push (coro_ready [prio - PRIO_MIN], sv); |
899 | av_push (coro_ready [prio - PRIO_MIN], sv); |
842 | coro_nready++; |
900 | coro_nready++; |
843 | } |
901 | } |
844 | |
902 | |
… | |
… | |
915 | api_schedule (); |
973 | api_schedule (); |
916 | } |
974 | } |
917 | |
975 | |
918 | MODULE = Coro::State PACKAGE = Coro::State |
976 | MODULE = Coro::State PACKAGE = Coro::State |
919 | |
977 | |
920 | PROTOTYPES: ENABLE |
978 | PROTOTYPES: DISABLE |
921 | |
979 | |
922 | BOOT: |
980 | BOOT: |
923 | { /* {} necessary for stoopid perl-5.6.x */ |
981 | { /* {} necessary for stoopid perl-5.6.x */ |
924 | #ifdef USE_ITHREADS |
982 | #ifdef USE_ITHREADS |
925 | MUTEX_INIT (&coro_mutex); |
983 | MUTEX_INIT (&coro_mutex); |
… | |
… | |
937 | |
995 | |
938 | main_mainstack = PL_mainstack; |
996 | main_mainstack = PL_mainstack; |
939 | |
997 | |
940 | coroapi.ver = CORO_API_VERSION; |
998 | coroapi.ver = CORO_API_VERSION; |
941 | coroapi.transfer = api_transfer; |
999 | coroapi.transfer = api_transfer; |
942 | } |
|
|
943 | |
1000 | |
944 | Coro::State |
1001 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
945 | _newprocess(args) |
1002 | } |
946 | SV * args |
1003 | |
947 | PROTOTYPE: $ |
1004 | SV * |
|
|
1005 | new (char *klass, ...) |
948 | CODE: |
1006 | CODE: |
949 | Coro__State coro; |
1007 | { |
|
|
1008 | struct coro *coro; |
|
|
1009 | HV *hv; |
|
|
1010 | int i; |
950 | |
1011 | |
951 | if (!SvROK (args) || SvTYPE (SvRV (args)) != SVt_PVAV) |
|
|
952 | croak ("Coro::State::_newprocess expects an arrayref"); |
|
|
953 | |
|
|
954 | Newz (0, coro, 1, struct coro); |
1012 | Newz (0, coro, 1, struct coro); |
|
|
1013 | coro->args = newAV (); |
955 | |
1014 | |
956 | coro->args = (AV *)SvREFCNT_inc (SvRV (args)); |
1015 | for (i = 1; i < items; i++) |
|
|
1016 | av_push (coro->args, newSVsv (ST (i))); |
|
|
1017 | |
957 | /*coro->mainstack = 0; *//*actual work is done inside transfer */ |
1018 | /*coro->mainstack = 0; *//*actual work is done inside transfer */ |
958 | /*coro->stack = 0;*/ |
1019 | /*coro->stack = 0;*/ |
959 | |
1020 | |
960 | RETVAL = coro; |
1021 | hv = newHV (); |
|
|
1022 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
|
|
1023 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
1024 | } |
961 | OUTPUT: |
1025 | OUTPUT: |
962 | RETVAL |
1026 | RETVAL |
963 | |
1027 | |
964 | void |
1028 | void |
965 | transfer(prev, next, flags) |
1029 | transfer(prev, next, flags) |
966 | SV *prev |
1030 | SV *prev |
967 | SV *next |
1031 | SV *next |
968 | int flags |
1032 | int flags |
969 | PROTOTYPE: @ |
|
|
970 | CODE: |
1033 | CODE: |
971 | PUTBACK; |
1034 | PUTBACK; |
972 | SV_CORO (next, "Coro::transfer"); |
1035 | SV_CORO (next, "Coro::transfer"); |
973 | SV_CORO (prev, "Coro::transfer"); |
1036 | SV_CORO (prev, "Coro::transfer"); |
974 | coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags); |
1037 | coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags); |
975 | SPAGAIN; |
1038 | SPAGAIN; |
976 | |
1039 | |
|
|
1040 | int |
|
|
1041 | prio (Coro::State coro, int newprio = 0) |
|
|
1042 | ALIAS: |
|
|
1043 | nice = 1 |
|
|
1044 | CODE: |
|
|
1045 | { |
|
|
1046 | RETVAL = coro->prio; |
|
|
1047 | |
|
|
1048 | if (items > 1) |
|
|
1049 | { |
|
|
1050 | if (ix) |
|
|
1051 | newprio += coro->prio; |
|
|
1052 | |
|
|
1053 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
|
|
1054 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
|
|
1055 | |
|
|
1056 | coro->prio = newprio; |
|
|
1057 | } |
|
|
1058 | } |
|
|
1059 | |
977 | void |
1060 | void |
978 | DESTROY(coro) |
1061 | _clone_state_from (SV *dst, SV *src) |
979 | Coro::State coro |
1062 | CODE: |
980 | CODE: |
1063 | { |
|
|
1064 | struct coro *coro_src = SvSTATE (src); |
981 | |
1065 | |
982 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1066 | sv_unmagic (SvRV (dst), PERL_MAGIC_ext); |
983 | { |
|
|
984 | struct coro temp; |
|
|
985 | |
1067 | |
986 | PUTBACK; |
1068 | ++coro_src->refcnt; |
987 | SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL); |
1069 | sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags |= MGf_DUP; |
988 | LOAD (aTHX_ coro); |
1070 | } |
989 | SPAGAIN; |
|
|
990 | |
|
|
991 | destroy_stacks (aTHX); |
|
|
992 | |
|
|
993 | LOAD ((&temp)); /* this will get rid of defsv etc.. */ |
|
|
994 | SPAGAIN; |
|
|
995 | |
|
|
996 | coro->mainstack = 0; |
|
|
997 | } |
|
|
998 | |
|
|
999 | deallocate_stack (coro); |
|
|
1000 | SvREFCNT_dec (coro->args); |
|
|
1001 | Safefree (coro); |
|
|
1002 | |
1071 | |
1003 | void |
1072 | void |
1004 | _exit(code) |
1073 | _exit (code) |
1005 | int code |
1074 | int code |
1006 | PROTOTYPE: $ |
1075 | PROTOTYPE: $ |
1007 | CODE: |
1076 | CODE: |
1008 | _exit (code); |
1077 | _exit (code); |
1009 | |
1078 | |
1010 | MODULE = Coro::State PACKAGE = Coro::Cont |
1079 | MODULE = Coro::State PACKAGE = Coro::Cont |
1011 | |
1080 | |
1012 | void |
1081 | void |
1013 | yield(...) |
1082 | yield (...) |
1014 | PROTOTYPE: @ |
1083 | PROTOTYPE: @ |
1015 | CODE: |
1084 | CODE: |
1016 | SV *yieldstack; |
1085 | SV *yieldstack; |
1017 | SV *sv; |
1086 | SV *sv; |
1018 | AV *defav = GvAV (PL_defgv); |
1087 | AV *defav = GvAV (PL_defgv); |
… | |
… | |
1073 | } |
1142 | } |
1074 | |
1143 | |
1075 | #if !PERL_MICRO |
1144 | #if !PERL_MICRO |
1076 | |
1145 | |
1077 | void |
1146 | void |
1078 | ready(self) |
1147 | ready (self) |
1079 | SV * self |
1148 | SV * self |
1080 | PROTOTYPE: $ |
1149 | PROTOTYPE: $ |
1081 | CODE: |
1150 | CODE: |
1082 | api_ready (self); |
1151 | api_ready (self); |
1083 | |
1152 | |
1084 | #endif |
1153 | #endif |
1085 | |
1154 | |
1086 | int |
1155 | int |
1087 | nready(...) |
1156 | nready (...) |
1088 | PROTOTYPE: |
1157 | PROTOTYPE: |
1089 | CODE: |
1158 | CODE: |
1090 | RETVAL = coro_nready; |
1159 | RETVAL = coro_nready; |
1091 | OUTPUT: |
1160 | OUTPUT: |
1092 | RETVAL |
1161 | RETVAL |
1093 | |
1162 | |
1094 | void |
1163 | void |
1095 | schedule(...) |
1164 | schedule (...) |
1096 | PROTOTYPE: |
1165 | PROTOTYPE: |
1097 | CODE: |
1166 | CODE: |
1098 | api_schedule (); |
1167 | api_schedule (); |
1099 | |
1168 | |
1100 | void |
1169 | void |
1101 | cede(...) |
1170 | cede (...) |
1102 | PROTOTYPE: |
1171 | PROTOTYPE: |
1103 | CODE: |
1172 | CODE: |
1104 | api_cede (); |
1173 | api_cede (); |
1105 | |
1174 | |
1106 | # and these are hacks |
1175 | # and these are hacks |