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/cvs/Coro/Coro/State.xs
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Comparing Coro/Coro/State.xs (file contents):
Revision 1.86 by root, Fri Nov 24 11:36:57 2006 UTC vs.
Revision 1.87 by root, Fri Nov 24 13:40:36 2006 UTC

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
154typedef struct coro *Coro__State; 158typedef struct coro *Coro__State;
155typedef struct coro *Coro__State_or_hashref; 159typedef struct coro *Coro__State_or_hashref;
156 160
781#define SV_CORO(sv,func) \ 785#define SV_CORO(sv,func) \
782 do { \ 786 do { \
783 if (SvROK (sv)) \ 787 if (SvROK (sv)) \
784 sv = SvRV (sv); \ 788 sv = SvRV (sv); \
785 \ 789 \
786 if (SvTYPE (sv) == SVt_PVHV) \ 790 if (SvTYPE (sv) == SVt_PVHV && SvSTASH (sv) != coro_state_stash) \
787 { \ 791 { \
788 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); \
789 \ 793 \
790 if (!he) \ 794 if (!he) \
791 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); \
797 if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \ 801 if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \
798 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); \
799 \ 803 \
800 } while(0) 804 } while(0)
801 805
802#define SvSTATE(sv) INT2PTR (struct coro *, SvIVX (sv)) 806static void
807coro_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
831static int
832coro_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
842static int
843coro_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
852static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };
853
854static struct coro *
855SvSTATE (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}
803 861
804static void 862static void
805api_transfer (pTHX_ SV *prev, SV *next, int flags) 863api_transfer (pTHX_ SV *prev, SV *next, int flags)
806{ 864{
807 SV_CORO (prev, "Coro::transfer"); 865 SV_CORO (prev, "Coro::transfer");
825static int coro_nready; 883static int coro_nready;
826 884
827static void 885static void
828coro_enq (pTHX_ SV *sv) 886coro_enq (pTHX_ SV *sv)
829{ 887{
830 SV **xprio;
831 int prio; 888 int prio;
832 889
833 if (SvTYPE (sv) != SVt_PVHV) 890 if (SvTYPE (sv) != SVt_PVHV)
834 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");
835 892
836 xprio = hv_fetch ((HV *)sv, "prio", 4, 0); 893 {
837 prio = xprio ? SvIV (*xprio) : PRIO_NORMAL; 894 SV *coro = sv;
838 895 SV_CORO (coro, "omg");
839 prio = prio > PRIO_MAX ? PRIO_MAX 896 prio = SvSTATE (coro)->prio;
840 : prio < PRIO_MIN ? PRIO_MIN 897 }
841 : prio;
842 898
843 av_push (coro_ready [prio - PRIO_MIN], sv); 899 av_push (coro_ready [prio - PRIO_MIN], sv);
844 coro_nready++; 900 coro_nready++;
845} 901}
846 902
917 api_schedule (); 973 api_schedule ();
918} 974}
919 975
920MODULE = Coro::State PACKAGE = Coro::State 976MODULE = Coro::State PACKAGE = Coro::State
921 977
922PROTOTYPES: ENABLE 978PROTOTYPES: DISABLE
923 979
924BOOT: 980BOOT:
925{ /* {} necessary for stoopid perl-5.6.x */ 981{ /* {} necessary for stoopid perl-5.6.x */
926#ifdef USE_ITHREADS 982#ifdef USE_ITHREADS
927 MUTEX_INIT (&coro_mutex); 983 MUTEX_INIT (&coro_mutex);
939 995
940 main_mainstack = PL_mainstack; 996 main_mainstack = PL_mainstack;
941 997
942 coroapi.ver = CORO_API_VERSION; 998 coroapi.ver = CORO_API_VERSION;
943 coroapi.transfer = api_transfer; 999 coroapi.transfer = api_transfer;
944}
945 1000
946Coro::State 1001 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1002}
1003
1004SV *
947new (char *klass, ...) 1005new (char *klass, ...)
948 PROTOTYPE: $@
949 CODE: 1006 CODE:
950{ 1007{
951 Coro__State coro; 1008 struct coro *coro;
1009 HV *hv;
952 int i; 1010 int i;
953
954 if (!SvOK (ST (1)))
955 croak ("Coro::State::new needs something callable as first argument");
956 1011
957 Newz (0, coro, 1, struct coro); 1012 Newz (0, coro, 1, struct coro);
958 coro->args = newAV (); 1013 coro->args = newAV ();
959 1014
960 for (i = 1; i < items; i++) 1015 for (i = 1; i < items; i++)
961 av_push (coro->args, newSVsv (ST (i))); 1016 av_push (coro->args, newSVsv (ST (i)));
962 1017
963 RETVAL = coro;
964
965 /*coro->mainstack = 0; *//*actual work is done inside transfer */ 1018 /*coro->mainstack = 0; *//*actual work is done inside transfer */
966 /*coro->stack = 0;*/ 1019 /*coro->stack = 0;*/
1020
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));
967} 1024}
968 OUTPUT: 1025 OUTPUT:
969 RETVAL 1026 RETVAL
970 1027
971void 1028void
972transfer(prev, next, flags) 1029transfer(prev, next, flags)
973 SV *prev 1030 SV *prev
974 SV *next 1031 SV *next
975 int flags 1032 int flags
976 PROTOTYPE: @
977 CODE: 1033 CODE:
978 PUTBACK; 1034 PUTBACK;
979 SV_CORO (next, "Coro::transfer"); 1035 SV_CORO (next, "Coro::transfer");
980 SV_CORO (prev, "Coro::transfer"); 1036 SV_CORO (prev, "Coro::transfer");
981 coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags); 1037 coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
982 SPAGAIN; 1038 SPAGAIN;
983 1039
1040int
1041prio (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
984void 1060void
985DESTROY(coro) 1061_clone_state_from (SV *dst, SV *src)
986 Coro::State coro 1062 CODE:
987 CODE: 1063{
1064 struct coro *coro_src = SvSTATE (src);
988 1065
989 if (coro->mainstack && coro->mainstack != main_mainstack) 1066 sv_unmagic (SvRV (dst), PERL_MAGIC_ext);
990 {
991 struct coro temp;
992 1067
993 PUTBACK; 1068 ++coro_src->refcnt;
994 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;
995 LOAD (aTHX_ coro); 1070}
996 SPAGAIN;
997
998 destroy_stacks (aTHX);
999
1000 LOAD ((&temp)); /* this will get rid of defsv etc.. */
1001 SPAGAIN;
1002
1003 coro->mainstack = 0;
1004 }
1005
1006 deallocate_stack (coro);
1007 SvREFCNT_dec (coro->args);
1008 Safefree (coro);
1009 1071
1010void 1072void
1011_exit(code) 1073_exit (code)
1012 int code 1074 int code
1013 PROTOTYPE: $ 1075 PROTOTYPE: $
1014 CODE: 1076 CODE:
1015 _exit (code); 1077 _exit (code);
1016 1078
1017MODULE = Coro::State PACKAGE = Coro::Cont 1079MODULE = Coro::State PACKAGE = Coro::Cont
1018 1080
1019void 1081void
1020yield(...) 1082yield (...)
1021 PROTOTYPE: @ 1083 PROTOTYPE: @
1022 CODE: 1084 CODE:
1023 SV *yieldstack; 1085 SV *yieldstack;
1024 SV *sv; 1086 SV *sv;
1025 AV *defav = GvAV (PL_defgv); 1087 AV *defav = GvAV (PL_defgv);
1080} 1142}
1081 1143
1082#if !PERL_MICRO 1144#if !PERL_MICRO
1083 1145
1084void 1146void
1085ready(self) 1147ready (self)
1086 SV * self 1148 SV * self
1087 PROTOTYPE: $ 1149 PROTOTYPE: $
1088 CODE: 1150 CODE:
1089 api_ready (self); 1151 api_ready (self);
1090 1152
1091#endif 1153#endif
1092 1154
1093int 1155int
1094nready(...) 1156nready (...)
1095 PROTOTYPE: 1157 PROTOTYPE:
1096 CODE: 1158 CODE:
1097 RETVAL = coro_nready; 1159 RETVAL = coro_nready;
1098 OUTPUT: 1160 OUTPUT:
1099 RETVAL 1161 RETVAL
1100 1162
1101void 1163void
1102schedule(...) 1164schedule (...)
1103 PROTOTYPE: 1165 PROTOTYPE:
1104 CODE: 1166 CODE:
1105 api_schedule (); 1167 api_schedule ();
1106 1168
1107void 1169void
1108cede(...) 1170cede (...)
1109 PROTOTYPE: 1171 PROTOTYPE:
1110 CODE: 1172 CODE:
1111 api_cede (); 1173 api_cede ();
1112 1174
1113# and these are hacks 1175# and these are hacks

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