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Comparing Coro/Coro/State.xs (file contents):
Revision 1.61 by root, Tue Aug 10 01:56:30 2004 UTC vs.
Revision 1.72 by root, Wed Feb 1 23:59:41 2006 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
7#include "patchlevel.h" 9#include "patchlevel.h"
8 10
9#if PATCHLEVEL < 6 11#if PERL_VERSION < 6
10# ifndef PL_ppaddr 12# ifndef PL_ppaddr
11# define PL_ppaddr ppaddr 13# define PL_ppaddr ppaddr
12# endif 14# endif
13# ifndef call_sv 15# ifndef call_sv
14# define call_sv perl_call_sv 16# define call_sv perl_call_sv
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" 32#include <errno.h>
31
32#include <signal.h> 33#include <signal.h>
33 34
34#ifdef HAVE_MMAP 35#ifdef HAVE_MMAP
35# include <unistd.h> 36# include <unistd.h>
36# include <sys/mman.h> 37# include <sys/mman.h>
57 58
58#include "CoroAPI.h" 59#include "CoroAPI.h"
59 60
60#ifdef USE_ITHREADS 61#ifdef USE_ITHREADS
61static perl_mutex coro_mutex; 62static perl_mutex coro_mutex;
62# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) 63# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
63# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) 64# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
64#else 65#else
65# define LOCK 0 66# define LOCK (void)0
66# define UNLOCK 0 67# define UNLOCK (void)0
67#endif 68#endif
68 69
69static struct CoroAPI coroapi; 70static struct CoroAPI coroapi;
70static AV *main_mainstack; /* used to differentiate between $main and others */ 71static AV *main_mainstack; /* used to differentiate between $main and others */
71static HV *coro_state_stash; 72static HV *coro_state_stash;
109 AV *mainstack; 110 AV *mainstack;
110 SV **stack_sp; 111 SV **stack_sp;
111 OP *op; 112 OP *op;
112 SV **curpad; 113 SV **curpad;
113 AV *comppad; 114 AV *comppad;
115 CV *compcv;
114 SV **stack_base; 116 SV **stack_base;
115 SV **stack_max; 117 SV **stack_max;
116 SV **tmps_stack; 118 SV **tmps_stack;
117 I32 tmps_floor; 119 I32 tmps_floor;
118 I32 tmps_ix; 120 I32 tmps_ix;
127 I32 savestack_ix; 129 I32 savestack_ix;
128 I32 savestack_max; 130 I32 savestack_max;
129 OP **retstack; 131 OP **retstack;
130 I32 retstack_ix; 132 I32 retstack_ix;
131 I32 retstack_max; 133 I32 retstack_max;
134 PMOP *curpm;
132 COP *curcop; 135 COP *curcop;
133 JMPENV *top_env; 136 JMPENV *top_env;
134 137
135 /* data associated with this coroutine (initial args) */ 138 /* data associated with this coroutine (initial args) */
136 AV *args; 139 AV *args;
168 av_store (newpadlist, 1, (SV *) newpad); 171 av_store (newpadlist, 1, (SV *) newpad);
169 172
170 av = newAV (); /* will be @_ */ 173 av = newAV (); /* will be @_ */
171 av_extend (av, 0); 174 av_extend (av, 0);
172 av_store (newpad, 0, (SV *) av); 175 av_store (newpad, 0, (SV *) av);
173 AvFLAGS (av) = AVf_REIFY; 176 AvREIFY_on (av);
174 177
175 for (ix = fpad; ix > 0; ix--) 178 for (ix = fpad; ix > 0; ix--)
176 { 179 {
177 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; 180 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
178 181
327 PL_mainstack = c->mainstack; 330 PL_mainstack = c->mainstack;
328 PL_stack_sp = c->stack_sp; 331 PL_stack_sp = c->stack_sp;
329 PL_op = c->op; 332 PL_op = c->op;
330 PL_curpad = c->curpad; 333 PL_curpad = c->curpad;
331 PL_comppad = c->comppad; 334 PL_comppad = c->comppad;
335 PL_compcv = c->compcv;
332 PL_stack_base = c->stack_base; 336 PL_stack_base = c->stack_base;
333 PL_stack_max = c->stack_max; 337 PL_stack_max = c->stack_max;
334 PL_tmps_stack = c->tmps_stack; 338 PL_tmps_stack = c->tmps_stack;
335 PL_tmps_floor = c->tmps_floor; 339 PL_tmps_floor = c->tmps_floor;
336 PL_tmps_ix = c->tmps_ix; 340 PL_tmps_ix = c->tmps_ix;
342 PL_scopestack_ix = c->scopestack_ix; 346 PL_scopestack_ix = c->scopestack_ix;
343 PL_scopestack_max = c->scopestack_max; 347 PL_scopestack_max = c->scopestack_max;
344 PL_savestack = c->savestack; 348 PL_savestack = c->savestack;
345 PL_savestack_ix = c->savestack_ix; 349 PL_savestack_ix = c->savestack_ix;
346 PL_savestack_max = c->savestack_max; 350 PL_savestack_max = c->savestack_max;
351#if PERL_VERSION < 9
347 PL_retstack = c->retstack; 352 PL_retstack = c->retstack;
348 PL_retstack_ix = c->retstack_ix; 353 PL_retstack_ix = c->retstack_ix;
349 PL_retstack_max = c->retstack_max; 354 PL_retstack_max = c->retstack_max;
355#endif
356 PL_curpm = c->curpm;
350 PL_curcop = c->curcop; 357 PL_curcop = c->curcop;
351 PL_top_env = c->top_env; 358 PL_top_env = c->top_env;
352 359
353 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 360 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
354 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 361 if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
451 c->mainstack = PL_mainstack; 458 c->mainstack = PL_mainstack;
452 c->stack_sp = PL_stack_sp; 459 c->stack_sp = PL_stack_sp;
453 c->op = PL_op; 460 c->op = PL_op;
454 c->curpad = PL_curpad; 461 c->curpad = PL_curpad;
455 c->comppad = PL_comppad; 462 c->comppad = PL_comppad;
463 c->compcv = PL_compcv;
456 c->stack_base = PL_stack_base; 464 c->stack_base = PL_stack_base;
457 c->stack_max = PL_stack_max; 465 c->stack_max = PL_stack_max;
458 c->tmps_stack = PL_tmps_stack; 466 c->tmps_stack = PL_tmps_stack;
459 c->tmps_floor = PL_tmps_floor; 467 c->tmps_floor = PL_tmps_floor;
460 c->tmps_ix = PL_tmps_ix; 468 c->tmps_ix = PL_tmps_ix;
466 c->scopestack_ix = PL_scopestack_ix; 474 c->scopestack_ix = PL_scopestack_ix;
467 c->scopestack_max = PL_scopestack_max; 475 c->scopestack_max = PL_scopestack_max;
468 c->savestack = PL_savestack; 476 c->savestack = PL_savestack;
469 c->savestack_ix = PL_savestack_ix; 477 c->savestack_ix = PL_savestack_ix;
470 c->savestack_max = PL_savestack_max; 478 c->savestack_max = PL_savestack_max;
479#if PERL_VERSION < 9
471 c->retstack = PL_retstack; 480 c->retstack = PL_retstack;
472 c->retstack_ix = PL_retstack_ix; 481 c->retstack_ix = PL_retstack_ix;
473 c->retstack_max = PL_retstack_max; 482 c->retstack_max = PL_retstack_max;
483#endif
484 c->curpm = PL_curpm;
474 c->curcop = PL_curcop; 485 c->curcop = PL_curcop;
475 c->top_env = PL_top_env; 486 c->top_env = PL_top_env;
476} 487}
477 488
478/* 489/*
514 525
515 New(54,PL_savestack,96,ANY); 526 New(54,PL_savestack,96,ANY);
516 PL_savestack_ix = 0; 527 PL_savestack_ix = 0;
517 PL_savestack_max = 96; 528 PL_savestack_max = 96;
518 529
530#if PERL_VERSION < 9
519 New(54,PL_retstack,8,OP*); 531 New(54,PL_retstack,8,OP*);
520 PL_retstack_ix = 0; 532 PL_retstack_ix = 0;
521 PL_retstack_max = 8; 533 PL_retstack_max = 8;
534#endif
522 535
523 UNLOCK; 536 UNLOCK;
524} 537}
525 538
526/* 539/*
566 579
567 Safefree (PL_tmps_stack); 580 Safefree (PL_tmps_stack);
568 Safefree (PL_markstack); 581 Safefree (PL_markstack);
569 Safefree (PL_scopestack); 582 Safefree (PL_scopestack);
570 Safefree (PL_savestack); 583 Safefree (PL_savestack);
584#if PERL_VERSION < 9
571 Safefree (PL_retstack); 585 Safefree (PL_retstack);
586#endif
572} 587}
573 588
574static void 589static void
575allocate_stack (Coro__State ctx, int alloc) 590allocate_stack (Coro__State ctx, int alloc)
576{ 591{
583 stack->gencnt = ctx->gencnt = 0; 598 stack->gencnt = ctx->gencnt = 0;
584 599
585 if (alloc) 600 if (alloc)
586 { 601 {
587#if HAVE_MMAP 602#if HAVE_MMAP
588 stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */ 603 stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */
589 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 604 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
590 if (stack->sptr == (void *)-1) 605 if (stack->sptr == (void *)-1)
591#endif 606#endif
592 { 607 {
593 /*FIXME*//*D*//* reasonable stack size! */ 608 /*FIXME*//*D*//* reasonable stack size! */
594 stack->ssize = - (8192 * sizeof (long)); 609 stack->ssize = - (STACKSIZE * sizeof (long));
595 New (0, stack->sptr, 8192, long); 610 New (0, stack->sptr, STACKSIZE, long);
596 } 611 }
597 } 612 }
598 else 613 else
599 stack->sptr = 0; 614 stack->sptr = 0;
600 615
1048 1063
1049void 1064void
1050yield(...) 1065yield(...)
1051 PROTOTYPE: @ 1066 PROTOTYPE: @
1052 CODE: 1067 CODE:
1053 static SV *returnstk; 1068 SV *yieldstack;
1054 SV *sv; 1069 SV *sv;
1055 AV *defav = GvAV (PL_defgv); 1070 AV *defav = GvAV (PL_defgv);
1056 struct coro *prev, *next; 1071 struct coro *prev, *next;
1057 1072
1058 if (!returnstk) 1073 yieldstack = *hv_fetch (
1059 returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE)); 1074 (HV *)SvRV (GvSV (coro_current)),
1075 "yieldstack", sizeof ("yieldstack") - 1,
1076 0
1077 );
1060 1078
1061 /* set up @_ -- ugly */ 1079 /* set up @_ -- ugly */
1062 av_clear (defav); 1080 av_clear (defav);
1063 av_fill (defav, items - 1); 1081 av_fill (defav, items - 1);
1064 while (items--) 1082 while (items--)
1065 av_store (defav, items, SvREFCNT_inc (ST(items))); 1083 av_store (defav, items, SvREFCNT_inc (ST(items)));
1066 1084
1067 SvGETMAGIC (returnstk); /* isn't documentation wrong for mg_get? */
1068 sv = av_pop ((AV *)SvRV (returnstk)); 1085 sv = av_pop ((AV *)SvRV (yieldstack));
1069 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); 1086 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0)));
1070 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); 1087 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0)));
1071 SvREFCNT_dec (sv); 1088 SvREFCNT_dec (sv);
1072 1089
1073 transfer (aTHX_ prev, next, 0); 1090 transfer (aTHX_ prev, next, 0);
1138cede(...) 1155cede(...)
1139 PROTOTYPE: 1156 PROTOTYPE:
1140 CODE: 1157 CODE:
1141 api_cede (); 1158 api_cede ();
1142 1159
1160# and these are hacks
1161SV *
1162_aio_get_state ()
1163 CODE:
1164{
1165 struct {
1166 int errorno;
1167 int laststype;
1168 int laststatval;
1169 Stat_t statcache;
1170 } data;
1171
1172 data.errorno = errno;
1173 data.laststype = PL_laststype;
1174 data.laststatval = PL_laststatval;
1175 data.statcache = PL_statcache;
1176
1177 RETVAL = newSVpvn ((char *)&data, sizeof data);
1178}
1179 OUTPUT:
1180 RETVAL
1181
1182void
1183_aio_set_state (char *data_)
1184 PROTOTYPE: $
1185 CODE:
1186{
1187 struct {
1188 int errorno;
1189 int laststype;
1190 int laststatval;
1191 Stat_t statcache;
1192 } *data = (void *)data_;
1193
1194 errno = data->errorno;
1195 PL_laststype = data->laststype;
1196 PL_laststatval = data->laststatval;
1197 PL_statcache = data->statcache;
1198}

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