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Comparing Coro/Coro/State.xs (file contents):
Revision 1.45 by root, Tue May 27 01:15:31 2003 UTC vs.
Revision 1.50 by pcg, Sun Nov 30 16:59:15 2003 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4
5#include "patchlevel.h"
6
7#if PATCHLEVEL < 6
8# ifndef PL_ppaddr
9# define PL_ppaddr ppaddr
10# endif
11# ifndef call_sv
12# define call_sv perl_call_sv
13# endif
14# ifndef get_sv
15# define get_sv perl_get_sv
16# endif
17# ifndef get_cv
18# define get_cv perl_get_cv
19# endif
20# ifndef IS_PADGV
21# define IS_PADGV(v) 0
22# endif
23# ifndef IS_PADCONST
24# define IS_PADCONST(v) 0
25# endif
26#endif
4 27
5#include "libcoro/coro.c" 28#include "libcoro/coro.c"
6 29
7#include <signal.h> 30#include <signal.h>
8 31
… …
15# else 38# else
16# undef HAVE_MMAP 39# undef HAVE_MMAP
17# endif 40# endif
18# endif 41# endif
19#endif 42#endif
20
21#define MAY_FLUSH /* increases codesize and is rarely used */
22 43
23#define SUB_INIT "Coro::State::initialize" 44#define SUB_INIT "Coro::State::initialize"
24#define UCORO_STATE "_coro_state" 45#define UCORO_STATE "_coro_state"
25 46
26/* The next macro should declare a variable stacklevel that contains and approximation 47/* The next macro should declare a variable stacklevel that contains and approximation
… …
161 sv = (SV *) newAV (); 182 sv = (SV *) newAV ();
162 else if (*name == '%') 183 else if (*name == '%')
163 sv = (SV *) newHV (); 184 sv = (SV *) newHV ();
164 else 185 else
165 sv = NEWSV (0, 0); 186 sv = NEWSV (0, 0);
187#ifdef SvPADBUSY
166 if (!SvPADBUSY (sv)) 188 if (!SvPADBUSY (sv))
189#endif
167 SvPADMY_on (sv); 190 SvPADMY_on (sv);
168 npad[ix] = sv; 191 npad[ix] = sv;
169 } 192 }
170 } 193 }
171 else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix])) 194 else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix]))
… …
201#endif 224#endif
202 225
203 return newpadlist; 226 return newpadlist;
204} 227}
205 228
206#ifdef MAY_FLUSH
207STATIC void 229STATIC void
208free_padlist (AV *padlist) 230free_padlist (AV *padlist)
209{ 231{
210 /* may be during global destruction */ 232 /* may be during global destruction */
211 if (SvREFCNT(padlist)) 233 if (SvREFCNT (padlist))
212 { 234 {
213 I32 i = AvFILLp(padlist); 235 I32 i = AvFILLp (padlist);
214 while (i >= 0) 236 while (i >= 0)
215 { 237 {
216 SV **svp = av_fetch(padlist, i--, FALSE); 238 SV **svp = av_fetch (padlist, i--, FALSE);
217 SV *sv = svp ? *svp : Nullsv;
218 if (sv) 239 if (svp)
240 {
241 SV *sv;
242 while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))
219 SvREFCNT_dec(sv); 243 SvREFCNT_dec (sv);
244
245 SvREFCNT_dec (*svp);
246 }
220 } 247 }
221 248
222 SvREFCNT_dec((SV*)padlist); 249 SvREFCNT_dec ((SV*)padlist);
223 } 250 }
224} 251}
225#endif 252
253STATIC int
254coro_cv_free (SV *sv, MAGIC *mg)
255{
256 AV *padlist;
257 AV *av = (AV *)mg->mg_obj;
258
259 /* casting is fun. */
260 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
261 free_padlist (padlist);
262}
263
264#define PERL_MAGIC_coro PERL_MAGIC_ext
265
266static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
226 267
227/* the next two functions merely cache the padlists */ 268/* the next two functions merely cache the padlists */
228STATIC void 269STATIC void
229get_padlist (CV *cv) 270get_padlist (CV *cv)
230{ 271{
231 SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 0); 272 MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
232 273
233 if (he && AvFILLp ((AV *)*he) >= 0) 274 if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
234 CvPADLIST (cv) = (AV *)av_pop ((AV *)*he); 275 CvPADLIST (cv) = (AV *)av_pop ((AV *)mg->mg_obj);
235 else 276 else
236 CvPADLIST (cv) = clone_padlist (CvPADLIST (cv)); 277 CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));
237} 278}
238 279
239STATIC void 280STATIC void
240put_padlist (CV *cv) 281put_padlist (CV *cv)
241{ 282{
242 SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 1); 283 MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
243 284
244 if (SvTYPE (*he) != SVt_PVAV) 285 if (!mg)
245 { 286 {
246 SvREFCNT_dec (*he); 287 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
288 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
289 mg->mg_virtual = &vtbl_coro;
247 *he = (SV *)newAV (); 290 mg->mg_obj = (SV *)newAV ();
248 } 291 }
249 292
250 av_push ((AV *)*he, (SV *)CvPADLIST (cv)); 293 av_push ((AV *)mg->mg_obj, (SV *)CvPADLIST (cv));
251} 294}
252
253#ifdef MAY_FLUSH
254STATIC void
255flush_padlist_cache ()
256{
257 HV *hv = padlist_cache;
258 padlist_cache = newHV ();
259
260 if (hv_iterinit (hv))
261 {
262 HE *he;
263 AV *padlist;
264
265 while (!!(he = hv_iternext (hv)))
266 {
267 AV *av = (AV *)HeVAL(he);
268
269 /* casting is fun. */
270 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
271 free_padlist (padlist);
272 }
273 }
274
275 SvREFCNT_dec (hv);
276}
277#endif
278 295
279#define SB do { 296#define SB do {
280#define SE } while (0) 297#define SE } while (0)
281 298
282#define LOAD(state) load_state(aTHX_ (state)); 299#define LOAD(state) load_state(aTHX_ (state));
283#define SAVE(state,flags) save_state(aTHX_ (state),(flags)); 300#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
284 301
285#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE 302#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
286 303
287static void 304static void
288load_state(pTHX_ Coro__State c) 305load_state(pTHX_ Coro__State c)
289{ 306{
290 PL_dowarn = c->dowarn; 307 PL_dowarn = c->dowarn;
… …
392 PUSHs ((SV *)cv); 409 PUSHs ((SV *)cv);
393 410
394 get_padlist (cv); /* this is a monster */ 411 get_padlist (cv); /* this is a monster */
395 } 412 }
396 } 413 }
414#ifdef CXt_FORMAT
397 else if (CxTYPE(cx) == CXt_FORMAT) 415 else if (CxTYPE(cx) == CXt_FORMAT)
398 { 416 {
399 /* I never used formats, so how should I know how these are implemented? */ 417 /* I never used formats, so how should I know how these are implemented? */
400 /* my bold guess is as a simple, plain sub... */ 418 /* my bold guess is as a simple, plain sub... */
401 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats"); 419 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
402 } 420 }
421#endif
403 } 422 }
404 423
405 if (top_si->si_type == PERLSI_MAIN) 424 if (top_si->si_type == PERLSI_MAIN)
406 break; 425 break;
407 426
… …
474 493
475 New(54,PL_markstack,16,I32); 494 New(54,PL_markstack,16,I32);
476 PL_markstack_ptr = PL_markstack; 495 PL_markstack_ptr = PL_markstack;
477 PL_markstack_max = PL_markstack + 16; 496 PL_markstack_max = PL_markstack + 16;
478 497
498#ifdef SET_MARK_OFFSET
479 SET_MARK_OFFSET; 499 SET_MARK_OFFSET;
500#endif
480 501
481 New(54,PL_scopestack,16,I32); 502 New(54,PL_scopestack,16,I32);
482 PL_scopestack_ix = 0; 503 PL_scopestack_ix = 0;
483 PL_scopestack_max = 16; 504 PL_scopestack_max = 16;
484 505
… …
491 PL_retstack_max = 8; 512 PL_retstack_max = 8;
492} 513}
493 514
494/* 515/*
495 * destroy the stacks, the callchain etc... 516 * destroy the stacks, the callchain etc...
496 * still there is a memleak of 128 bytes...
497 */ 517 */
498STATIC void 518STATIC void
499destroy_stacks(pTHX) 519destroy_stacks(pTHX)
500{ 520{
501 if (!IN_DESTRUCT) 521 if (!IN_DESTRUCT)
… …
582 { 602 {
583#ifdef HAVE_MMAP 603#ifdef HAVE_MMAP
584 if (stack->ssize > 0 && stack->sptr) 604 if (stack->ssize > 0 && stack->sptr)
585 munmap (stack->sptr, stack->ssize); 605 munmap (stack->sptr, stack->ssize);
586 else 606 else
587#else 607#endif
588 Safefree (stack->sptr); 608 Safefree (stack->sptr);
589#endif 609
590 Safefree (stack); 610 Safefree (stack);
591 } 611 }
592 else if (ctx->gencnt == stack->gencnt) 612 else if (ctx->gencnt == stack->gencnt)
593 --stack->usecnt; 613 --stack->usecnt;
594 } 614 }
… …
606 626
607 coro_init_stacks (aTHX); 627 coro_init_stacks (aTHX);
608 /*PL_curcop = 0;*/ 628 /*PL_curcop = 0;*/
609 /*PL_in_eval = PL_in_eval;*/ /* inherit */ 629 /*PL_in_eval = PL_in_eval;*/ /* inherit */
610 SvREFCNT_dec (GvAV (PL_defgv)); 630 SvREFCNT_dec (GvAV (PL_defgv));
611 GvAV (PL_defgv) = ctx->args; 631 GvAV (PL_defgv) = ctx->args; ctx->args = 0;
612 632
613 SPAGAIN; 633 SPAGAIN;
614 634
615 if (ctx->stack) 635 if (ctx->stack)
616 { 636 {
… …
738 next->stack = prev->stack; 758 next->stack = prev->stack;
739 next->gencnt = prev->gencnt; 759 next->gencnt = prev->gencnt;
740 } 760 }
741 else 761 else
742 { 762 {
763 assert (!next->stack);
743 allocate_stack (next, 1); 764 allocate_stack (next, 1);
744 coro_create (&(next->stack->cctx), 765 coro_create (&(next->stack->cctx),
745 setup_coro, (void *)next, 766 setup_coro, (void *)next,
746 next->stack->sptr, labs (next->stack->ssize)); 767 next->stack->sptr, labs (next->stack->ssize));
747 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 768 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
… …
925 Coro__State coro; 946 Coro__State coro;
926 947
927 if (!SvROK (args) || SvTYPE (SvRV (args)) != SVt_PVAV) 948 if (!SvROK (args) || SvTYPE (SvRV (args)) != SVt_PVAV)
928 croak ("Coro::State::_newprocess expects an arrayref"); 949 croak ("Coro::State::_newprocess expects an arrayref");
929 950
930 New (0, coro, 1, struct coro); 951 Newz (0, coro, 1, struct coro);
931 952
932 coro->args = (AV *)SvREFCNT_inc (SvRV (args)); 953 coro->args = (AV *)SvREFCNT_inc (SvRV (args));
933 coro->mainstack = 0; /* actual work is done inside transfer */ 954 coro->mainstack = 0; /* actual work is done inside transfer */
934 coro->stack = 0; 955 coro->stack = 0;
935 956
936 /* same as JMPENV_BOOTSTRAP */ 957 /* same as JMPENV_BOOTSTRAP */
937 /* we might be able to recycle start_env, but safe is safe */ 958 /* we might be able to recycle start_env, but safe is safe */
938 Zero(&coro->start_env, 1, JMPENV); 959 //Zero(&coro->start_env, 1, JMPENV);
939 coro->start_env.je_ret = -1; 960 coro->start_env.je_ret = -1;
940 coro->start_env.je_mustcatch = TRUE; 961 coro->start_env.je_mustcatch = TRUE;
941 962
942 RETVAL = coro; 963 RETVAL = coro;
943 OUTPUT: 964 OUTPUT:
… …
977 998
978 coro->mainstack = 0; 999 coro->mainstack = 0;
979 } 1000 }
980 1001
981 deallocate_stack (coro); 1002 deallocate_stack (coro);
982 1003 SvREFCNT_dec (coro->args);
983 Safefree (coro); 1004 Safefree (coro);
984
985void
986flush()
987 CODE:
988#ifdef MAY_FLUSH
989 flush_padlist_cache ();
990#endif
991 1005
992void 1006void
993_exit(code) 1007_exit(code)
994 int code 1008 int code
995 PROTOTYPE: $ 1009 PROTOTYPE: $
… …
1014 SV *sv; 1028 SV *sv;
1015 AV *defav = GvAV (PL_defgv); 1029 AV *defav = GvAV (PL_defgv);
1016 struct coro *prev, *next; 1030 struct coro *prev, *next;
1017 1031
1018 if (!returnstk) 1032 if (!returnstk)
1019 returnstk = SvRV (get_sv ("Coro::Cont::return", FALSE)); 1033 returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));
1020 1034
1021 /* set up @_ -- ugly */ 1035 /* set up @_ -- ugly */
1022 av_clear (defav); 1036 av_clear (defav);
1023 av_fill (defav, items - 1); 1037 av_fill (defav, items - 1);
1024 while (items--) 1038 while (items--)
… …
1067 sv_setiv(sv, (IV)&coroapi); 1081 sv_setiv(sv, (IV)&coroapi);
1068 SvREADONLY_on(sv); 1082 SvREADONLY_on(sv);
1069 } 1083 }
1070} 1084}
1071 1085
1086#if !PERL_MICRO
1087
1072void 1088void
1073ready(self) 1089ready(self)
1074 SV * self 1090 SV * self
1075 PROTOTYPE: $ 1091 PROTOTYPE: $
1076 CODE: 1092 CODE:
1077 api_ready (self); 1093 api_ready (self);
1094
1095#endif
1078 1096
1079int 1097int
1080nready(...) 1098nready(...)
1081 PROTOTYPE: 1099 PROTOTYPE:
1082 CODE: 1100 CODE:

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