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/cvs/Coro/Coro/State.xs
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Comparing Coro/Coro/State.xs (file contents):
Revision 1.56 by pcg, Thu Apr 1 02:41:05 2004 UTC vs.
Revision 1.64 by root, Mon Mar 21 15:06:51 2005 UTC

1#define PERL_NO_GET_CONTEXT 1#define PERL_NO_GET_CONTEXT
2
3#include "libcoro/coro.c"
2 4
3#include "EXTERN.h" 5#include "EXTERN.h"
4#include "perl.h" 6#include "perl.h"
5#include "XSUB.h" 7#include "XSUB.h"
6 8
… …
25# ifndef IS_PADCONST 27# ifndef IS_PADCONST
26# define IS_PADCONST(v) 0 28# define IS_PADCONST(v) 0
27# endif 29# endif
28#endif 30#endif
29 31
30#include "libcoro/coro.c"
31
32#include <signal.h> 32#include <signal.h>
33 33
34#ifdef HAVE_MMAP 34#ifdef HAVE_MMAP
35# include <unistd.h> 35# include <unistd.h>
36# include <sys/mman.h> 36# include <sys/mman.h>
… …
69static struct CoroAPI coroapi; 69static struct CoroAPI coroapi;
70static AV *main_mainstack; /* used to differentiate between $main and others */ 70static AV *main_mainstack; /* used to differentiate between $main and others */
71static HV *coro_state_stash; 71static HV *coro_state_stash;
72static SV *ucoro_state_sv; 72static SV *ucoro_state_sv;
73static U32 ucoro_state_hash; 73static U32 ucoro_state_hash;
74static __thread SV *coro_mortal; /* will be freed after next transfer */ 74static SV *coro_mortal; /* will be freed after next transfer */
75 75
76/* this is actually not only the c stack but also c registers etc... */ 76/* this is actually not only the c stack but also c registers etc... */
77typedef struct { 77typedef struct {
78 int refcnt; /* pointer reference counter */ 78 int refcnt; /* pointer reference counter */
79 int usecnt; /* shared by how many coroutines */ 79 int usecnt; /* shared by how many coroutines */
… …
109 AV *mainstack; 109 AV *mainstack;
110 SV **stack_sp; 110 SV **stack_sp;
111 OP *op; 111 OP *op;
112 SV **curpad; 112 SV **curpad;
113 AV *comppad; 113 AV *comppad;
114 CV *compcv;
114 SV **stack_base; 115 SV **stack_base;
115 SV **stack_max; 116 SV **stack_max;
116 SV **tmps_stack; 117 SV **tmps_stack;
117 I32 tmps_floor; 118 I32 tmps_floor;
118 I32 tmps_ix; 119 I32 tmps_ix;
… …
270 AV *av = (AV *)mg->mg_obj; 271 AV *av = (AV *)mg->mg_obj;
271 272
272 /* casting is fun. */ 273 /* casting is fun. */
273 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 274 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
274 free_padlist (aTHX_ padlist); 275 free_padlist (aTHX_ padlist);
276
277 SvREFCNT_dec (av);
275} 278}
276 279
277#define PERL_MAGIC_coro PERL_MAGIC_ext 280#define PERL_MAGIC_coro PERL_MAGIC_ext
278 281
279static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 282static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
… …
325 PL_mainstack = c->mainstack; 328 PL_mainstack = c->mainstack;
326 PL_stack_sp = c->stack_sp; 329 PL_stack_sp = c->stack_sp;
327 PL_op = c->op; 330 PL_op = c->op;
328 PL_curpad = c->curpad; 331 PL_curpad = c->curpad;
329 PL_comppad = c->comppad; 332 PL_comppad = c->comppad;
333 PL_compcv = c->compcv;
330 PL_stack_base = c->stack_base; 334 PL_stack_base = c->stack_base;
331 PL_stack_max = c->stack_max; 335 PL_stack_max = c->stack_max;
332 PL_tmps_stack = c->tmps_stack; 336 PL_tmps_stack = c->tmps_stack;
333 PL_tmps_floor = c->tmps_floor; 337 PL_tmps_floor = c->tmps_floor;
334 PL_tmps_ix = c->tmps_ix; 338 PL_tmps_ix = c->tmps_ix;
… …
449 c->mainstack = PL_mainstack; 453 c->mainstack = PL_mainstack;
450 c->stack_sp = PL_stack_sp; 454 c->stack_sp = PL_stack_sp;
451 c->op = PL_op; 455 c->op = PL_op;
452 c->curpad = PL_curpad; 456 c->curpad = PL_curpad;
453 c->comppad = PL_comppad; 457 c->comppad = PL_comppad;
458 c->compcv = PL_compcv;
454 c->stack_base = PL_stack_base; 459 c->stack_base = PL_stack_base;
455 c->stack_max = PL_stack_max; 460 c->stack_max = PL_stack_max;
456 c->tmps_stack = PL_tmps_stack; 461 c->tmps_stack = PL_tmps_stack;
457 c->tmps_floor = PL_tmps_floor; 462 c->tmps_floor = PL_tmps_floor;
458 c->tmps_ix = PL_tmps_ix; 463 c->tmps_ix = PL_tmps_ix;
… …
532 /* is this ugly, I ask? */ 537 /* is this ugly, I ask? */
533 LEAVE_SCOPE (0); 538 LEAVE_SCOPE (0);
534 539
535 /* sure it is, but more important: is it correct?? :/ */ 540 /* sure it is, but more important: is it correct?? :/ */
536 FREETMPS; 541 FREETMPS;
542
543 /*POPSTACK_TO (PL_mainstack);*//*D*//*use*/
537 } 544 }
538 545
539 while (PL_curstackinfo->si_next) 546 while (PL_curstackinfo->si_next)
540 PL_curstackinfo = PL_curstackinfo->si_next; 547 PL_curstackinfo = PL_curstackinfo->si_next;
541 548
542 while (PL_curstackinfo) 549 while (PL_curstackinfo)
543 { 550 {
544 PERL_SI *p = PL_curstackinfo->si_prev; 551 PERL_SI *p = PL_curstackinfo->si_prev;
545 552
546 { 553 { /*D*//*remove*/
547 dSP; 554 dSP;
548 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack); 555 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
549 PUTBACK; /* possibly superfluous */ 556 PUTBACK; /* possibly superfluous */
550 } 557 }
551 558
552 if (!IN_DESTRUCT) 559 if (!IN_DESTRUCT)
553 { 560 {
554 dounwind(-1); 561 dounwind (-1);/*D*//*remove*/
555 SvREFCNT_dec(PL_curstackinfo->si_stack); 562 SvREFCNT_dec (PL_curstackinfo->si_stack);
556 } 563 }
557 564
558 Safefree(PL_curstackinfo->si_cxstack); 565 Safefree (PL_curstackinfo->si_cxstack);
559 Safefree(PL_curstackinfo); 566 Safefree (PL_curstackinfo);
560 PL_curstackinfo = p; 567 PL_curstackinfo = p;
561 } 568 }
562 569
563 Safefree(PL_tmps_stack); 570 Safefree (PL_tmps_stack);
564 Safefree(PL_markstack); 571 Safefree (PL_markstack);
565 Safefree(PL_scopestack); 572 Safefree (PL_scopestack);
566 Safefree(PL_savestack); 573 Safefree (PL_savestack);
567 Safefree(PL_retstack); 574 Safefree (PL_retstack);
568} 575}
569 576
570static void 577static void
571allocate_stack (Coro__State ctx, int alloc) 578allocate_stack (Coro__State ctx, int alloc)
572{ 579{
… …
977 croak ("Coro::State::_newprocess expects an arrayref"); 984 croak ("Coro::State::_newprocess expects an arrayref");
978 985
979 Newz (0, coro, 1, struct coro); 986 Newz (0, coro, 1, struct coro);
980 987
981 coro->args = (AV *)SvREFCNT_inc (SvRV (args)); 988 coro->args = (AV *)SvREFCNT_inc (SvRV (args));
982 coro->mainstack = 0; /* actual work is done inside transfer */ 989 /*coro->mainstack = 0; *//*actual work is done inside transfer */
983 coro->stack = 0; 990 /*coro->stack = 0;*/
984 991
985 /* same as JMPENV_BOOTSTRAP */ 992 /* same as JMPENV_BOOTSTRAP */
986 /* we might be able to recycle start_env, but safe is safe */ 993 /* we might be able to recycle start_env, but safe is safe */
987 //Zero(&coro->start_env, 1, JMPENV); 994 /*Zero(&coro->start_env, 1, JMPENV);*/
988 coro->start_env.je_ret = -1; 995 coro->start_env.je_ret = -1;
989 coro->start_env.je_mustcatch = TRUE; 996 coro->start_env.je_mustcatch = TRUE;
990 997
991 RETVAL = coro; 998 RETVAL = coro;
992 OUTPUT: 999 OUTPUT:
… …
1013 if (coro->mainstack && coro->mainstack != main_mainstack) 1020 if (coro->mainstack && coro->mainstack != main_mainstack)
1014 { 1021 {
1015 struct coro temp; 1022 struct coro temp;
1016 1023
1017 PUTBACK; 1024 PUTBACK;
1018 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL); 1025 SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
1019 LOAD(aTHX_ coro); 1026 LOAD (aTHX_ coro);
1020 SPAGAIN; 1027 SPAGAIN;
1021 1028
1022 destroy_stacks (aTHX); 1029 destroy_stacks (aTHX);
1023 1030
1024 LOAD((&temp)); /* this will get rid of defsv etc.. */ 1031 LOAD ((&temp)); /* this will get rid of defsv etc.. */
1025 SPAGAIN; 1032 SPAGAIN;
1026 1033
1027 coro->mainstack = 0; 1034 coro->mainstack = 0;
1028 } 1035 }
1029 1036
… …
1044 1051
1045void 1052void
1046yield(...) 1053yield(...)
1047 PROTOTYPE: @ 1054 PROTOTYPE: @
1048 CODE: 1055 CODE:
1049 static SV *returnstk; 1056 SV *yieldstack;
1050 SV *sv; 1057 SV *sv;
1051 AV *defav = GvAV (PL_defgv); 1058 AV *defav = GvAV (PL_defgv);
1052 struct coro *prev, *next; 1059 struct coro *prev, *next;
1053 1060
1054 if (!returnstk) 1061 yieldstack = *hv_fetch (
1055 returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE)); 1062 (HV *)SvRV (GvSV (coro_current)),
1063 "yieldstack", sizeof ("yieldstack") - 1,
1064 0
1065 );
1056 1066
1057 /* set up @_ -- ugly */ 1067 /* set up @_ -- ugly */
1058 av_clear (defav); 1068 av_clear (defav);
1059 av_fill (defav, items - 1); 1069 av_fill (defav, items - 1);
1060 while (items--) 1070 while (items--)
1061 av_store (defav, items, SvREFCNT_inc (ST(items))); 1071 av_store (defav, items, SvREFCNT_inc (ST(items)));
1062 1072
1063 mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1064 sv = av_pop ((AV *)SvRV (returnstk)); 1073 sv = av_pop ((AV *)SvRV (yieldstack));
1065 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); 1074 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0)));
1066 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); 1075 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0)));
1067 SvREFCNT_dec (sv); 1076 SvREFCNT_dec (sv);
1068 1077
1069 transfer(aTHX_ prev, next, 0); 1078 transfer (aTHX_ prev, next, 0);
1070 1079
1071MODULE = Coro::State PACKAGE = Coro 1080MODULE = Coro::State PACKAGE = Coro
1072 1081
1073# this is slightly dirty (should expose a c-level api) 1082# this is slightly dirty (should expose a c-level api)
1074 1083

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