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Comparing Coro/Coro/State.xs (file contents):
Revision 1.224 by root, Sun Mar 2 16:10:22 2008 UTC vs.
Revision 1.245 by root, Mon Sep 22 05:40:21 2008 UTC

10#include "patchlevel.h" 10#include "patchlevel.h"
11 11
12#include <stdio.h> 12#include <stdio.h>
13#include <errno.h> 13#include <errno.h>
14#include <assert.h> 14#include <assert.h>
15
16#ifdef WIN32
17# undef setjmp
18# undef longjmp
19# undef _exit
20# define setjmp _setjmp // deep magic, don't ask
21#else
15#include <inttypes.h> /* portable stdint.h */ 22# include <inttypes.h> /* most portable stdint.h */
23#endif
16 24
17#ifdef HAVE_MMAP 25#ifdef HAVE_MMAP
18# include <unistd.h> 26# include <unistd.h>
19# include <sys/mman.h> 27# include <sys/mman.h>
20# ifndef MAP_ANONYMOUS 28# ifndef MAP_ANONYMOUS
163/* async_pool helper stuff */ 171/* async_pool helper stuff */
164static SV *sv_pool_rss; 172static SV *sv_pool_rss;
165static SV *sv_pool_size; 173static SV *sv_pool_size;
166static AV *av_async_pool; 174static AV *av_async_pool;
167 175
176/* Coro::AnyEvent */
177static SV *sv_activity;
178
168static struct coro_cctx *cctx_first; 179static struct coro_cctx *cctx_first;
169static int cctx_count, cctx_idle; 180static int cctx_count, cctx_idle;
170 181
171enum { 182enum {
172 CC_MAPPED = 0x01, 183 CC_MAPPED = 0x01,
257#define PRIO_IDLE -3 268#define PRIO_IDLE -3
258#define PRIO_MIN -4 269#define PRIO_MIN -4
259 270
260/* for Coro.pm */ 271/* for Coro.pm */
261static SV *coro_current; 272static SV *coro_current;
273static SV *coro_readyhook;
262static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
263static int coro_nready; 275static int coro_nready;
264static struct coro *coro_first; 276static struct coro *coro_first;
265 277
266/** lowlevel stuff **********************************************************/ 278/** lowlevel stuff **********************************************************/
267 279
268static SV * 280static SV *
269coro_get_sv (pTHX_ const char *name, int create) 281coro_get_sv (pTHX_ const char *name, int create)
270{ 282{
271#if PERL_VERSION_ATLEAST (5,9,0) 283#if PERL_VERSION_ATLEAST (5,10,0)
272 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 284 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
273 get_sv (name, create); 285 get_sv (name, create);
274#endif 286#endif
275 return get_sv (name, create); 287 return get_sv (name, create);
276} 288}
277 289
278static AV * 290static AV *
279coro_get_av (pTHX_ const char *name, int create) 291coro_get_av (pTHX_ const char *name, int create)
280{ 292{
281#if PERL_VERSION_ATLEAST (5,9,0) 293#if PERL_VERSION_ATLEAST (5,10,0)
282 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 294 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
283 get_av (name, create); 295 get_av (name, create);
284#endif 296#endif
285 return get_av (name, create); 297 return get_av (name, create);
286} 298}
287 299
288static HV * 300static HV *
289coro_get_hv (pTHX_ const char *name, int create) 301coro_get_hv (pTHX_ const char *name, int create)
290{ 302{
291#if PERL_VERSION_ATLEAST (5,9,0) 303#if PERL_VERSION_ATLEAST (5,10,0)
292 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 304 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
293 get_hv (name, create); 305 get_hv (name, create);
294#endif 306#endif
295 return get_hv (name, create); 307 return get_hv (name, create);
296} 308}
301 AV *padlist = CvPADLIST (cv); 313 AV *padlist = CvPADLIST (cv);
302 AV *newpadlist, *newpad; 314 AV *newpadlist, *newpad;
303 315
304 newpadlist = newAV (); 316 newpadlist = newAV ();
305 AvREAL_off (newpadlist); 317 AvREAL_off (newpadlist);
306#if PERL_VERSION_ATLEAST (5,9,0) 318#if PERL_VERSION_ATLEAST (5,10,0)
307 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 319 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
308#else 320#else
309 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310#endif 322#endif
311 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
349 361
350 /* casting is fun. */ 362 /* casting is fun. */
351 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 363 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
352 free_padlist (aTHX_ padlist); 364 free_padlist (aTHX_ padlist);
353 365
366 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
367
354 return 0; 368 return 0;
355} 369}
356 370
357#define CORO_MAGIC_type_cv PERL_MAGIC_ext 371#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358#define CORO_MAGIC_type_state PERL_MAGIC_ext 372#define CORO_MAGIC_type_state PERL_MAGIC_ext
408 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 422 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 423 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410 else 424 else
411 { 425 {
412#if CORO_PREFER_PERL_FUNCTIONS 426#if CORO_PREFER_PERL_FUNCTIONS
413 /* this is probably cleaner, but also slower? */ 427 /* this is probably cleaner? but also slower! */
428 /* in practise, it seems to be less stable */
414 CV *cp = Perl_cv_clone (cv); 429 CV *cp = Perl_cv_clone (cv);
415 CvPADLIST (cv) = CvPADLIST (cp); 430 CvPADLIST (cv) = CvPADLIST (cp);
416 CvPADLIST (cp) = 0; 431 CvPADLIST (cp) = 0;
417 SvREFCNT_dec (cp); 432 SvREFCNT_dec (cp);
418#else 433#else
502 517
503 if (expect_true (CvDEPTH (cv))) 518 if (expect_true (CvDEPTH (cv)))
504 { 519 {
505 EXTEND (SP, 3); 520 EXTEND (SP, 3);
506 PUSHs ((SV *)CvPADLIST (cv)); 521 PUSHs ((SV *)CvPADLIST (cv));
507 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 522 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508 PUSHs ((SV *)cv); 523 PUSHs ((SV *)cv);
509 524
510 CvDEPTH (cv) = 0; 525 CvDEPTH (cv) = 0;
511 get_padlist (aTHX_ cv); 526 get_padlist (aTHX_ cv);
512 } 527 }
592 607
593 New(54,PL_savestack,24,ANY); 608 New(54,PL_savestack,24,ANY);
594 PL_savestack_ix = 0; 609 PL_savestack_ix = 0;
595 PL_savestack_max = 24; 610 PL_savestack_max = 24;
596 611
597#if !PERL_VERSION_ATLEAST (5,9,0) 612#if !PERL_VERSION_ATLEAST (5,10,0)
598 New(54,PL_retstack,4,OP*); 613 New(54,PL_retstack,4,OP*);
599 PL_retstack_ix = 0; 614 PL_retstack_ix = 0;
600 PL_retstack_max = 4; 615 PL_retstack_max = 4;
601#endif 616#endif
602} 617}
625 640
626 Safefree (PL_tmps_stack); 641 Safefree (PL_tmps_stack);
627 Safefree (PL_markstack); 642 Safefree (PL_markstack);
628 Safefree (PL_scopestack); 643 Safefree (PL_scopestack);
629 Safefree (PL_savestack); 644 Safefree (PL_savestack);
630#if !PERL_VERSION_ATLEAST (5,9,0) 645#if !PERL_VERSION_ATLEAST (5,10,0)
631 Safefree (PL_retstack); 646 Safefree (PL_retstack);
632#endif 647#endif
633} 648}
634 649
635static size_t 650static size_t
651 #undef VAR 666 #undef VAR
652 } 667 }
653 else 668 else
654 slot = coro->slot; 669 slot = coro->slot;
655 670
671 if (slot)
672 {
656 rss += sizeof (slot->curstackinfo); 673 rss += sizeof (slot->curstackinfo);
657 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 674 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); 675 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659 rss += slot->tmps_max * sizeof (SV *); 676 rss += slot->tmps_max * sizeof (SV *);
660 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 677 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661 rss += slot->scopestack_max * sizeof (I32); 678 rss += slot->scopestack_max * sizeof (I32);
662 rss += slot->savestack_max * sizeof (ANY); 679 rss += slot->savestack_max * sizeof (ANY);
663 680
664#if !PERL_VERSION_ATLEAST (5,9,0) 681#if !PERL_VERSION_ATLEAST (5,10,0)
665 rss += slot->retstack_max * sizeof (OP *); 682 rss += slot->retstack_max * sizeof (OP *);
666#endif 683#endif
684 }
667 } 685 }
668 686
669 return rss; 687 return rss;
670} 688}
671 689
672/** coroutine stack handling ************************************************/ 690/** coroutine stack handling ************************************************/
673 691
674static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); 692static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
675static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); 693static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
694static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
695
696/* apparently < 5.8.8 */
697#ifndef MgPV_nolen_const
698#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
699 SvPV_nolen((SV*)((mg)->mg_ptr)) : \
700 (const char*)(mg)->mg_ptr)
701#endif
676 702
677/* 703/*
678 * This overrides the default magic get method of %SIG elements. 704 * This overrides the default magic get method of %SIG elements.
679 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 705 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680 * and instead of tryign to save and restore the hash elements, we just provide 706 * and instead of tryign to save and restore the hash elements, we just provide
688{ 714{
689 const char *s = MgPV_nolen_const (mg); 715 const char *s = MgPV_nolen_const (mg);
690 716
691 if (*s == '_') 717 if (*s == '_')
692 { 718 {
693 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; 719 SV **svp = 0;
694 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; 720
721 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
722 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
723
724 if (svp)
725 {
726 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
727 return 0;
728 }
695 } 729 }
696 730
697 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 731 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
732}
733
734static int
735coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
736{
737 const char *s = MgPV_nolen_const (mg);
738
739 if (*s == '_')
740 {
741 SV **svp = 0;
742
743 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
744 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
745
746 if (svp)
747 {
748 SV *old = *svp;
749 *svp = 0;
750 SvREFCNT_dec (old);
751 return 0;
752 }
753 }
754
755 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698} 756}
699 757
700static int 758static int
701coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 759coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
702{ 760{
712 if (svp) 770 if (svp)
713 { 771 {
714 SV *old = *svp; 772 SV *old = *svp;
715 *svp = newSVsv (sv); 773 *svp = newSVsv (sv);
716 SvREFCNT_dec (old); 774 SvREFCNT_dec (old);
717 return; 775 return 0;
718 } 776 }
719 } 777 }
720 778
721 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; 779 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722} 780}
736 PL_curpm = 0; 794 PL_curpm = 0;
737 PL_curpad = 0; 795 PL_curpad = 0;
738 PL_localizing = 0; 796 PL_localizing = 0;
739 PL_dirty = 0; 797 PL_dirty = 0;
740 PL_restartop = 0; 798 PL_restartop = 0;
799#if PERL_VERSION_ATLEAST (5,10,0)
800 PL_parser = 0;
801#endif
741 802
742 /* recreate the die/warn hooks */ 803 /* recreate the die/warn hooks */
743 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 804 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
744 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 805 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
745 806
1126 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1187 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127 1188
1128 if (expect_false (next->flags & CF_DESTROYED)) 1189 if (expect_false (next->flags & CF_DESTROYED))
1129 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1190 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130 1191
1131 if (
1132#if PERL_VERSION_ATLEAST (5,9,0) 1192#if !PERL_VERSION_ATLEAST (5,10,0)
1133 expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
1134#else
1135 expect_false (PL_lex_state != LEX_NOTPARSING) 1193 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136#endif
1137 )
1138 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1194 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1195#endif
1139 } 1196 }
1140} 1197}
1141 1198
1142/* always use the TRANSFER macro */ 1199/* always use the TRANSFER macro */
1143static void NOINLINE 1200static void NOINLINE
1144transfer (pTHX_ struct coro *prev, struct coro *next) 1201transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1145{ 1202{
1146 dSTACKLEVEL; 1203 dSTACKLEVEL;
1147 static volatile int has_throw; 1204 static volatile int has_throw;
1148 1205
1149 /* sometimes transfer is only called to set idle_sp */ 1206 /* sometimes transfer is only called to set idle_sp */
1183 load_perl (aTHX_ next); 1240 load_perl (aTHX_ next);
1184 1241
1185 prev__cctx = prev->cctx; 1242 prev__cctx = prev->cctx;
1186 1243
1187 /* possibly "free" the cctx */ 1244 /* possibly "free" the cctx */
1188 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1245 if (expect_true (
1246 prev__cctx->idle_sp == STACKLEVEL
1247 && !(prev__cctx->flags & CC_TRACE)
1248 && !force_cctx
1249 ))
1189 { 1250 {
1190 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1251 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1191 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1252 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192 1253
1193 prev->cctx = 0; 1254 prev->cctx = 0;
1236struct transfer_args 1297struct transfer_args
1237{ 1298{
1238 struct coro *prev, *next; 1299 struct coro *prev, *next;
1239}; 1300};
1240 1301
1241#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1302#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1242#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1303#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243 1304
1244/** high level stuff ********************************************************/ 1305/** high level stuff ********************************************************/
1245 1306
1246static int 1307static int
1340{ 1401{
1341 dTHX; 1402 dTHX;
1342 struct transfer_args ta; 1403 struct transfer_args ta;
1343 1404
1344 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1405 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345 TRANSFER (ta); 1406 TRANSFER (ta, 1);
1346} 1407}
1347 1408
1348/** Coro ********************************************************************/ 1409/** Coro ********************************************************************/
1349 1410
1350static void 1411static void
1368static int 1429static int
1369api_ready (SV *coro_sv) 1430api_ready (SV *coro_sv)
1370{ 1431{
1371 dTHX; 1432 dTHX;
1372 struct coro *coro; 1433 struct coro *coro;
1434 SV *sv_hook;
1435 void (*xs_hook)(void);
1373 1436
1374 if (SvROK (coro_sv)) 1437 if (SvROK (coro_sv))
1375 coro_sv = SvRV (coro_sv); 1438 coro_sv = SvRV (coro_sv);
1376 1439
1377 coro = SvSTATE (coro_sv); 1440 coro = SvSTATE (coro_sv);
1380 return 0; 1443 return 0;
1381 1444
1382 coro->flags |= CF_READY; 1445 coro->flags |= CF_READY;
1383 1446
1384 LOCK; 1447 LOCK;
1448
1449 sv_hook = coro_nready ? 0 : coro_readyhook;
1450 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1451
1385 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1452 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1386 ++coro_nready; 1453 ++coro_nready;
1454
1387 UNLOCK; 1455 UNLOCK;
1456
1457 if (sv_hook)
1458 {
1459 dSP;
1460
1461 ENTER;
1462 SAVETMPS;
1463
1464 PUSHMARK (SP);
1465 PUTBACK;
1466 call_sv (sv_hook, G_DISCARD);
1467 SPAGAIN;
1468
1469 FREETMPS;
1470 LEAVE;
1471 }
1472
1473 if (xs_hook)
1474 xs_hook ();
1388 1475
1389 return 1; 1476 return 1;
1390} 1477}
1391 1478
1392static int 1479static int
1481{ 1568{
1482 dTHX; 1569 dTHX;
1483 struct transfer_args ta; 1570 struct transfer_args ta;
1484 1571
1485 prepare_schedule (aTHX_ &ta); 1572 prepare_schedule (aTHX_ &ta);
1486 TRANSFER (ta); 1573 TRANSFER (ta, 1);
1487} 1574}
1488 1575
1489static int 1576static int
1490api_cede (void) 1577api_cede (void)
1491{ 1578{
1494 1581
1495 prepare_cede (aTHX_ &ta); 1582 prepare_cede (aTHX_ &ta);
1496 1583
1497 if (expect_true (ta.prev != ta.next)) 1584 if (expect_true (ta.prev != ta.next))
1498 { 1585 {
1499 TRANSFER (ta); 1586 TRANSFER (ta, 1);
1500 return 1; 1587 return 1;
1501 } 1588 }
1502 else 1589 else
1503 return 0; 1590 return 0;
1504} 1591}
1509 dTHX; 1596 dTHX;
1510 struct transfer_args ta; 1597 struct transfer_args ta;
1511 1598
1512 if (prepare_cede_notself (aTHX_ &ta)) 1599 if (prepare_cede_notself (aTHX_ &ta))
1513 { 1600 {
1514 TRANSFER (ta); 1601 TRANSFER (ta, 1);
1515 return 1; 1602 return 1;
1516 } 1603 }
1517 else 1604 else
1518 return 0; 1605 return 0;
1519} 1606}
1542 else 1629 else
1543 coro->slot->runops = RUNOPS_DEFAULT; 1630 coro->slot->runops = RUNOPS_DEFAULT;
1544 } 1631 }
1545} 1632}
1546 1633
1634static int
1635coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1636{
1637 AV *padlist;
1638 AV *av = (AV *)mg->mg_obj;
1639
1640 abort ();
1641
1642 return 0;
1643}
1644
1645static MGVTBL coro_gensub_vtbl = {
1646 0, 0, 0, 0,
1647 coro_gensub_free
1648};
1649
1547MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1650MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548 1651
1549PROTOTYPES: DISABLE 1652PROTOTYPES: DISABLE
1550 1653
1551BOOT: 1654BOOT:
1556 BOOT_PAGESIZE; 1659 BOOT_PAGESIZE;
1557 1660
1558 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1661 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1559 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1662 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1560 1663
1561 orig_sigelem_get = PL_vtbl_sigelem.svt_get; 1664 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1562 PL_vtbl_sigelem.svt_get = coro_sigelem_get; 1665 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1563 orig_sigelem_set = PL_vtbl_sigelem.svt_set; 1666 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1564 PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1565 1667
1566 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1668 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 1669 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1568 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); 1670 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569 1671
1578 main_top_env = PL_top_env; 1680 main_top_env = PL_top_env;
1579 1681
1580 while (main_top_env->je_prev) 1682 while (main_top_env->je_prev)
1581 main_top_env = main_top_env->je_prev; 1683 main_top_env = main_top_env->je_prev;
1582 1684
1583 coroapi.ver = CORO_API_VERSION; 1685 coroapi.ver = CORO_API_VERSION;
1584 coroapi.rev = CORO_API_REVISION; 1686 coroapi.rev = CORO_API_REVISION;
1585 coroapi.transfer = api_transfer; 1687 coroapi.transfer = api_transfer;
1586 1688
1587 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1689 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588} 1690}
1589 1691
1590SV * 1692SV *
1661 } 1763 }
1662 SPAGAIN; 1764 SPAGAIN;
1663 1765
1664 BARRIER; 1766 BARRIER;
1665 PUTBACK; 1767 PUTBACK;
1666 TRANSFER (ta); 1768 TRANSFER (ta, 0);
1667 SPAGAIN; /* might be the sp of a different coroutine now */ 1769 SPAGAIN; /* might be the sp of a different coroutine now */
1668 /* be extra careful not to ever do anything after TRANSFER */ 1770 /* be extra careful not to ever do anything after TRANSFER */
1669} 1771}
1670 1772
1671bool 1773bool
1674 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1776 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675 OUTPUT: 1777 OUTPUT:
1676 RETVAL 1778 RETVAL
1677 1779
1678void 1780void
1679_exit (code) 1781_exit (int code)
1680 int code
1681 PROTOTYPE: $ 1782 PROTOTYPE: $
1682 CODE: 1783 CODE:
1683 _exit (code); 1784 _exit (code);
1684 1785
1685int 1786int
1719call (Coro::State coro, SV *coderef) 1820call (Coro::State coro, SV *coderef)
1720 ALIAS: 1821 ALIAS:
1721 eval = 1 1822 eval = 1
1722 CODE: 1823 CODE:
1723{ 1824{
1724 if (coro->mainstack) 1825 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
1725 { 1826 {
1726 struct coro temp; 1827 struct coro temp;
1727 1828
1728 if (!(coro->flags & CF_RUNNING)) 1829 if (!(coro->flags & CF_RUNNING))
1729 { 1830 {
1776 1877
1777void 1878void
1778api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1879api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1779 1880
1780SV * 1881SV *
1781has_stack (Coro::State coro) 1882has_cctx (Coro::State coro)
1782 PROTOTYPE: $ 1883 PROTOTYPE: $
1783 CODE: 1884 CODE:
1784 RETVAL = boolSV (!!coro->cctx); 1885 RETVAL = boolSV (!!coro->cctx);
1785 OUTPUT: 1886 OUTPUT:
1786 RETVAL 1887 RETVAL
1805 case 1: RETVAL = coro->usecount; break; 1906 case 1: RETVAL = coro->usecount; break;
1806 } 1907 }
1807 OUTPUT: 1908 OUTPUT:
1808 RETVAL 1909 RETVAL
1809 1910
1810
1811MODULE = Coro::State PACKAGE = Coro
1812
1813BOOT:
1814{
1815 int i;
1816
1817 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1818 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1819 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1820
1821 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1822 SvREADONLY_on (coro_current);
1823
1824 coro_stash = gv_stashpv ("Coro", TRUE);
1825
1826 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1827 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1828 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1829 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1830 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1831 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1832
1833 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1834 coro_ready[i] = newAV ();
1835
1836 {
1837 SV *sv = perl_get_sv ("Coro::API", TRUE);
1838 perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1839
1840 coroapi.schedule = api_schedule;
1841 coroapi.cede = api_cede;
1842 coroapi.cede_notself = api_cede_notself;
1843 coroapi.ready = api_ready;
1844 coroapi.is_ready = api_is_ready;
1845 coroapi.nready = &coro_nready;
1846 coroapi.current = coro_current;
1847
1848 GCoroAPI = &coroapi;
1849 sv_setiv (sv, (IV)&coroapi);
1850 SvREADONLY_on (sv);
1851 }
1852}
1853
1854void 1911void
1855_set_current (SV *current) 1912force_cctx ()
1856 PROTOTYPE: $
1857 CODE: 1913 CODE:
1858 SvREFCNT_dec (SvRV (coro_current)); 1914 struct coro *coro = SvSTATE (coro_current);
1859 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1915 coro->cctx->idle_sp = 0;
1860
1861int
1862prio (Coro::State coro, int newprio = 0)
1863 ALIAS:
1864 nice = 1
1865 CODE:
1866{
1867 RETVAL = coro->prio;
1868
1869 if (items > 1)
1870 {
1871 if (ix)
1872 newprio = coro->prio - newprio;
1873
1874 if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1875 if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1876
1877 coro->prio = newprio;
1878 }
1879}
1880 OUTPUT:
1881 RETVAL
1882
1883SV *
1884ready (SV *self)
1885 PROTOTYPE: $
1886 CODE:
1887 RETVAL = boolSV (api_ready (self));
1888 OUTPUT:
1889 RETVAL
1890
1891int
1892nready (...)
1893 PROTOTYPE:
1894 CODE:
1895 RETVAL = coro_nready;
1896 OUTPUT:
1897 RETVAL
1898 1916
1899void 1917void
1900throw (Coro::State self, SV *throw = &PL_sv_undef) 1918throw (Coro::State self, SV *throw = &PL_sv_undef)
1901 PROTOTYPE: $;$ 1919 PROTOTYPE: $;$
1902 CODE: 1920 CODE:
1911 CODE: 1929 CODE:
1912 if (!self->slot) 1930 if (!self->slot)
1913 croak ("cannot swap state with coroutine that has no saved state"); 1931 croak ("cannot swap state with coroutine that has no saved state");
1914 else 1932 else
1915 { 1933 {
1916 SV **src = ix ? (SV *)&GvAV (PL_defgv) : &GvSV (PL_defgv); 1934 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1917 SV **dst = ix ? self->slot->defav : self->slot->defsv; 1935 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1918 1936
1919 SV *tmp = *src; *src = *dst; *dst = tmp; 1937 SV *tmp = *src; *src = *dst; *dst = tmp;
1920 } 1938 }
1939
1940MODULE = Coro::State PACKAGE = Coro
1941
1942BOOT:
1943{
1944 int i;
1945
1946 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1947 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1948 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1949
1950 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1951 SvREADONLY_on (coro_current);
1952
1953 coro_stash = gv_stashpv ("Coro", TRUE);
1954
1955 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1956 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1957 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1958 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1959 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1960 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1961
1962 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1963 coro_ready[i] = newAV ();
1964
1965 {
1966 SV *sv = perl_get_sv ("Coro::API", TRUE);
1967 perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1968
1969 coroapi.schedule = api_schedule;
1970 coroapi.cede = api_cede;
1971 coroapi.cede_notself = api_cede_notself;
1972 coroapi.ready = api_ready;
1973 coroapi.is_ready = api_is_ready;
1974 coroapi.nready = &coro_nready;
1975 coroapi.current = coro_current;
1976
1977 GCoroAPI = &coroapi;
1978 sv_setiv (sv, (IV)&coroapi);
1979 SvREADONLY_on (sv);
1980 }
1981}
1982
1983void
1984_set_current (SV *current)
1985 PROTOTYPE: $
1986 CODE:
1987 SvREFCNT_dec (SvRV (coro_current));
1988 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1989
1990void
1991_set_readyhook (SV *hook)
1992 PROTOTYPE: $
1993 CODE:
1994 LOCK;
1995 SvREFCNT_dec (coro_readyhook);
1996 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1997 UNLOCK;
1998
1999int
2000prio (Coro::State coro, int newprio = 0)
2001 ALIAS:
2002 nice = 1
2003 CODE:
2004{
2005 RETVAL = coro->prio;
2006
2007 if (items > 1)
2008 {
2009 if (ix)
2010 newprio = coro->prio - newprio;
2011
2012 if (newprio < PRIO_MIN) newprio = PRIO_MIN;
2013 if (newprio > PRIO_MAX) newprio = PRIO_MAX;
2014
2015 coro->prio = newprio;
2016 }
2017}
2018 OUTPUT:
2019 RETVAL
2020
2021SV *
2022ready (SV *self)
2023 PROTOTYPE: $
2024 CODE:
2025 RETVAL = boolSV (api_ready (self));
2026 OUTPUT:
2027 RETVAL
2028
2029int
2030nready (...)
2031 PROTOTYPE:
2032 CODE:
2033 RETVAL = coro_nready;
2034 OUTPUT:
2035 RETVAL
1921 2036
1922# for async_pool speedup 2037# for async_pool speedup
1923void 2038void
1924_pool_1 (SV *cb) 2039_pool_1 (SV *cb)
1925 CODE: 2040 CODE:
1931 AV *invoke_av; 2046 AV *invoke_av;
1932 int i, len; 2047 int i, len;
1933 2048
1934 if (!invoke) 2049 if (!invoke)
1935 { 2050 {
1936 SvREFCNT_dec (PL_diehook); PL_diehook = 0; 2051 SV *old = PL_diehook;
2052 PL_diehook = 0;
2053 SvREFCNT_dec (old);
1937 croak ("\3async_pool terminate\2\n"); 2054 croak ("\3async_pool terminate\2\n");
1938 } 2055 }
1939 2056
1940 SvREFCNT_dec (coro->saved_deffh); 2057 SvREFCNT_dec (coro->saved_deffh);
1941 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2058 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1970 coro->saved_deffh = 0; 2087 coro->saved_deffh = 0;
1971 2088
1972 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2089 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1973 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2090 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1974 { 2091 {
1975 SvREFCNT_dec (PL_diehook); PL_diehook = 0; 2092 SV *old = PL_diehook;
2093 PL_diehook = 0;
2094 SvREFCNT_dec (old);
1976 croak ("\3async_pool terminate\2\n"); 2095 croak ("\3async_pool terminate\2\n");
1977 } 2096 }
1978 2097
1979 av_clear (GvAV (PL_defgv)); 2098 av_clear (GvAV (PL_defgv));
1980 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2099 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1985 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2104 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1986 api_trace (coro_current, 0); 2105 api_trace (coro_current, 0);
1987 2106
1988 av_push (av_async_pool, newSVsv (coro_current)); 2107 av_push (av_async_pool, newSVsv (coro_current));
1989} 2108}
2109
2110#if 0
2111
2112void
2113_generator_call (...)
2114 PROTOTYPE: @
2115 PPCODE:
2116 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2117 xxxx
2118 abort ();
2119
2120SV *
2121gensub (SV *sub, ...)
2122 PROTOTYPE: &;@
2123 CODE:
2124{
2125 struct coro *coro;
2126 MAGIC *mg;
2127 CV *xcv;
2128 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2129 int i;
2130
2131 CvGV (ncv) = CvGV (cv);
2132 CvFILE (ncv) = CvFILE (cv);
2133
2134 Newz (0, coro, 1, struct coro);
2135 coro->args = newAV ();
2136 coro->flags = CF_NEW;
2137
2138 av_extend (coro->args, items - 1);
2139 for (i = 1; i < items; i++)
2140 av_push (coro->args, newSVsv (ST (i)));
2141
2142 CvISXSUB_on (ncv);
2143 CvXSUBANY (ncv).any_ptr = (void *)coro;
2144
2145 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2146
2147 CvXSUB (ncv) = CvXSUB (xcv);
2148 CvANON_on (ncv);
2149
2150 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2151 RETVAL = newRV_noinc ((SV *)ncv);
2152}
2153 OUTPUT:
2154 RETVAL
2155
2156#endif
1990 2157
1991 2158
1992MODULE = Coro::State PACKAGE = Coro::AIO 2159MODULE = Coro::State PACKAGE = Coro::AIO
1993 2160
1994SV * 2161SV *
2021 PL_laststype = data->laststype; 2188 PL_laststype = data->laststype;
2022 PL_laststatval = data->laststatval; 2189 PL_laststatval = data->laststatval;
2023 PL_statcache = data->statcache; 2190 PL_statcache = data->statcache;
2024} 2191}
2025 2192
2193
2194MODULE = Coro::State PACKAGE = Coro::AnyEvent
2195
2196BOOT:
2197 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2198
2199SV *
2200_schedule (...)
2201 PROTOTYPE: @
2202 CODE:
2203{
2204 static int incede;
2205
2206 api_cede_notself ();
2207
2208 ++incede;
2209 while (coro_nready >= incede && api_cede ())
2210 ;
2211
2212 sv_setsv (sv_activity, &PL_sv_undef);
2213 if (coro_nready >= incede)
2214 {
2215 PUSHMARK (SP);
2216 PUTBACK;
2217 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2218 SPAGAIN;
2219 }
2220
2221 --incede;
2222}
2223

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