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Comparing Coro/Coro/State.xs (file contents):
Revision 1.192 by root, Fri Oct 5 21:51:40 2007 UTC vs.
Revision 1.197 by root, Sat Oct 6 19:25:00 2007 UTC

… …
106#define IN_DESTRUCT (PL_main_cv == Nullcv) 106#define IN_DESTRUCT (PL_main_cv == Nullcv)
107 107
108#if __GNUC__ >= 3 108#if __GNUC__ >= 3
109# define attribute(x) __attribute__(x) 109# define attribute(x) __attribute__(x)
110# define BARRIER __asm__ __volatile__ ("" : : : "memory") 110# define BARRIER __asm__ __volatile__ ("" : : : "memory")
111# define expect(expr,value) __builtin_expect ((expr),(value))
111#else 112#else
112# define attribute(x) 113# define attribute(x)
113# define BARRIER 114# define BARRIER
115# define expect(expr,value) (expr)
114#endif 116#endif
117
118#define expect_false(expr) expect ((expr) != 0, 0)
119#define expect_true(expr) expect ((expr) != 0, 1)
115 120
116#define NOINLINE attribute ((noinline)) 121#define NOINLINE attribute ((noinline))
117 122
118#include "CoroAPI.h" 123#include "CoroAPI.h"
119 124
… …
214 /* statistics */ 219 /* statistics */
215 int usecount; /* number of transfers to this coro */ 220 int usecount; /* number of transfers to this coro */
216 221
217 /* coro process data */ 222 /* coro process data */
218 int prio; 223 int prio;
219 //SV *throw; 224 SV *throw;
220 225
221 /* async_pool */ 226 /* async_pool */
222 SV *saved_deffh; 227 SV *saved_deffh;
223 228
224 /* linked list */ 229 /* linked list */
… …
325 MAGIC *mg; 330 MAGIC *mg;
326 331
327 if (SvROK (coro)) 332 if (SvROK (coro))
328 coro = SvRV (coro); 333 coro = SvRV (coro);
329 334
330 if (SvTYPE (coro) != SVt_PVHV) 335 if (expect_false (SvTYPE (coro) != SVt_PVHV))
331 croak ("Coro::State object required"); 336 croak ("Coro::State object required");
332 337
333 stash = SvSTASH (coro); 338 stash = SvSTASH (coro);
334 if (stash != coro_stash && stash != coro_state_stash) 339 if (expect_false (stash != coro_stash && stash != coro_state_stash))
335 { 340 {
336 /* very slow, but rare, check */ 341 /* very slow, but rare, check */
337 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 342 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
338 croak ("Coro::State object required"); 343 croak ("Coro::State object required");
339 } 344 }
… …
349get_padlist (pTHX_ CV *cv) 354get_padlist (pTHX_ CV *cv)
350{ 355{
351 MAGIC *mg = CORO_MAGIC (cv); 356 MAGIC *mg = CORO_MAGIC (cv);
352 AV *av; 357 AV *av;
353 358
354 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) 359 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
355 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 360 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
356 else 361 else
357 { 362 {
358#if CORO_PREFER_PERL_FUNCTIONS 363#if CORO_PREFER_PERL_FUNCTIONS
359 /* this is probably cleaner, but also slower? */ 364 /* this is probably cleaner, but also slower? */
… …
371put_padlist (pTHX_ CV *cv) 376put_padlist (pTHX_ CV *cv)
372{ 377{
373 MAGIC *mg = CORO_MAGIC (cv); 378 MAGIC *mg = CORO_MAGIC (cv);
374 AV *av; 379 AV *av;
375 380
376 if (!mg) 381 if (expect_false (!mg))
377 { 382 {
378 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); 383 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
379 mg = mg_find ((SV *)cv, PERL_MAGIC_coro); 384 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
380 mg->mg_virtual = &vtbl_coro; 385 mg->mg_virtual = &vtbl_coro;
381 mg->mg_obj = (SV *)newAV (); 386 mg->mg_obj = (SV *)newAV ();
382 } 387 }
383 388
384 av = (AV *)mg->mg_obj; 389 av = (AV *)mg->mg_obj;
385 390
386 if (AvFILLp (av) >= AvMAX (av)) 391 if (expect_false (AvFILLp (av) >= AvMAX (av)))
387 av_extend (av, AvMAX (av) + 1); 392 av_extend (av, AvMAX (av) + 1);
388 393
389 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 394 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
390} 395}
391 396
… …
406 { 411 {
407 dSP; 412 dSP;
408 CV *cv; 413 CV *cv;
409 414
410 /* now do the ugly restore mess */ 415 /* now do the ugly restore mess */
411 while ((cv = (CV *)POPs)) 416 while (expect_true (cv = (CV *)POPs))
412 { 417 {
413 put_padlist (aTHX_ cv); /* mark this padlist as available */ 418 put_padlist (aTHX_ cv); /* mark this padlist as available */
414 CvDEPTH (cv) = PTR2IV (POPs); 419 CvDEPTH (cv) = PTR2IV (POPs);
415 CvPADLIST (cv) = (AV *)POPs; 420 CvPADLIST (cv) = (AV *)POPs;
416 } 421 }
… …
435 440
436 XPUSHs (Nullsv); 441 XPUSHs (Nullsv);
437 /* this loop was inspired by pp_caller */ 442 /* this loop was inspired by pp_caller */
438 for (;;) 443 for (;;)
439 { 444 {
440 while (cxix >= 0) 445 while (expect_true (cxix >= 0))
441 { 446 {
442 PERL_CONTEXT *cx = &ccstk[cxix--]; 447 PERL_CONTEXT *cx = &ccstk[cxix--];
443 448
444 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) 449 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))
445 { 450 {
446 CV *cv = cx->blk_sub.cv; 451 CV *cv = cx->blk_sub.cv;
447 452
448 if (CvDEPTH (cv)) 453 if (expect_true (CvDEPTH (cv)))
449 { 454 {
450 EXTEND (SP, 3); 455 EXTEND (SP, 3);
451 PUSHs ((SV *)CvPADLIST (cv)); 456 PUSHs ((SV *)CvPADLIST (cv));
452 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 457 PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453 PUSHs ((SV *)cv); 458 PUSHs ((SV *)cv);
… …
456 get_padlist (aTHX_ cv); 461 get_padlist (aTHX_ cv);
457 } 462 }
458 } 463 }
459 } 464 }
460 465
461 if (top_si->si_type == PERLSI_MAIN) 466 if (expect_true (top_si->si_type == PERLSI_MAIN))
462 break; 467 break;
463 468
464 top_si = top_si->si_prev; 469 top_si = top_si->si_prev;
465 ccstk = top_si->si_cxstack; 470 ccstk = top_si->si_cxstack;
466 cxix = top_si->si_cxix; 471 cxix = top_si->si_cxix;
… …
603 PL_runops = RUNOPS_DEFAULT; 608 PL_runops = RUNOPS_DEFAULT;
604 PL_curcop = &PL_compiling; 609 PL_curcop = &PL_compiling;
605 PL_in_eval = EVAL_NULL; 610 PL_in_eval = EVAL_NULL;
606 PL_comppad = 0; 611 PL_comppad = 0;
607 PL_curpm = 0; 612 PL_curpm = 0;
613 PL_curpad = 0;
608 PL_localizing = 0; 614 PL_localizing = 0;
609 PL_dirty = 0; 615 PL_dirty = 0;
610 PL_restartop = 0; 616 PL_restartop = 0;
611 617
612 GvSV (PL_defgv) = newSV (0); 618 GvSV (PL_defgv) = newSV (0);
613 GvAV (PL_defgv) = coro->args; coro->args = 0; 619 GvAV (PL_defgv) = coro->args; coro->args = 0;
614 GvSV (PL_errgv) = newSV (0); 620 GvSV (PL_errgv) = newSV (0);
615 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 621 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
616 PL_rs = newSVsv (GvSV (irsgv)); 622 PL_rs = newSVsv (GvSV (irsgv));
617 PL_defoutgv = SvREFCNT_inc (stdoutgv); 623 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
618
619 ENTER; /* necessary e.g. for dounwind */
620 624
621 { 625 {
622 dSP; 626 dSP;
623 LOGOP myop; 627 LOGOP myop;
624 628
… …
631 PUTBACK; 635 PUTBACK;
632 PL_op = (OP *)&myop; 636 PL_op = (OP *)&myop;
633 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 637 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
634 SPAGAIN; 638 SPAGAIN;
635 } 639 }
640
641 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
636} 642}
637 643
638static void 644static void
639coro_destroy (pTHX_ struct coro *coro) 645coro_destroy (pTHX_ struct coro *coro)
640{ 646{
… …
661 SvREFCNT_dec (PL_defoutgv); 667 SvREFCNT_dec (PL_defoutgv);
662 SvREFCNT_dec (PL_rs); 668 SvREFCNT_dec (PL_rs);
663 SvREFCNT_dec (GvSV (irsgv)); 669 SvREFCNT_dec (GvSV (irsgv));
664 670
665 SvREFCNT_dec (coro->saved_deffh); 671 SvREFCNT_dec (coro->saved_deffh);
666 //SvREFCNT_dec (coro->throw); 672 SvREFCNT_dec (coro->throw);
667 673
668 coro_destroy_stacks (aTHX); 674 coro_destroy_stacks (aTHX);
669} 675}
670 676
671static void 677static void
672free_coro_mortal (pTHX) 678free_coro_mortal (pTHX)
673{ 679{
674 if (coro_mortal) 680 if (expect_true (coro_mortal))
675 { 681 {
676 SvREFCNT_dec (coro_mortal); 682 SvREFCNT_dec (coro_mortal);
677 coro_mortal = 0; 683 coro_mortal = 0;
678 } 684 }
679} 685}
… …
708 bot = PL_stack_base + cx->blk_oldsp + 1; 714 bot = PL_stack_base + cx->blk_oldsp + 1;
709 top = cx->blk_gimme == G_ARRAY ? SP + 1 715 top = cx->blk_gimme == G_ARRAY ? SP + 1
710 : cx->blk_gimme == G_SCALAR ? bot + 1 716 : cx->blk_gimme == G_SCALAR ? bot + 1
711 : bot; 717 : bot;
712 718
719 av_extend (av, top - bot);
713 while (bot < top) 720 while (bot < top)
714 av_push (av, SvREFCNT_inc (*bot++)); 721 av_push (av, SvREFCNT_inc (*bot++));
715 722
716 PL_runops = RUNOPS_DEFAULT; 723 PL_runops = RUNOPS_DEFAULT;
717 ENTER; 724 ENTER;
… …
929 Safefree (cctx->sptr); 936 Safefree (cctx->sptr);
930 937
931 Safefree (cctx); 938 Safefree (cctx);
932} 939}
933 940
941/* wether this cctx should be destructed */
942#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
943
934static coro_cctx * 944static coro_cctx *
935cctx_get (pTHX) 945cctx_get (pTHX)
936{ 946{
937 while (cctx_first) 947 while (expect_true (cctx_first))
938 { 948 {
939 coro_cctx *cctx = cctx_first; 949 coro_cctx *cctx = cctx_first;
940 cctx_first = cctx->next; 950 cctx_first = cctx->next;
941 --cctx_idle; 951 --cctx_idle;
942 952
943 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE)) 953 if (expect_true (!CCTX_EXPIRED (cctx)))
944 return cctx; 954 return cctx;
945 955
946 cctx_destroy (cctx); 956 cctx_destroy (cctx);
947 } 957 }
948 958
… …
951 961
952static void 962static void
953cctx_put (coro_cctx *cctx) 963cctx_put (coro_cctx *cctx)
954{ 964{
955 /* free another cctx if overlimit */ 965 /* free another cctx if overlimit */
956 if (cctx_idle >= MAX_IDLE_CCTX) 966 if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
957 { 967 {
958 coro_cctx *first = cctx_first; 968 coro_cctx *first = cctx_first;
959 cctx_first = first->next; 969 cctx_first = first->next;
960 --cctx_idle; 970 --cctx_idle;
961 971
… …
967 cctx_first = cctx; 977 cctx_first = cctx;
968} 978}
969 979
970/** coroutine switching *****************************************************/ 980/** coroutine switching *****************************************************/
971 981
972static void NOINLINE 982static void
973transfer_check (pTHX_ struct coro *prev, struct coro *next) 983transfer_check (pTHX_ struct coro *prev, struct coro *next)
974{ 984{
975 if (prev != next) 985 if (expect_true (prev != next))
976 { 986 {
977 if (!(prev->flags & (CF_RUNNING | CF_NEW))) 987 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
978 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); 988 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
979 989
980 if (next->flags & CF_RUNNING) 990 if (expect_false (next->flags & CF_RUNNING))
981 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 991 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
982 992
983 if (next->flags & CF_DESTROYED) 993 if (expect_false (next->flags & CF_DESTROYED))
984 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 994 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
985 995
986 if (PL_lex_state != LEX_NOTPARSING) 996 if (expect_false (PL_lex_state != LEX_NOTPARSING))
987 croak ("Coro::State::transfer called while parsing, but this is not supported"); 997 croak ("Coro::State::transfer called while parsing, but this is not supported");
988 } 998 }
989} 999}
990 1000
991/* always use the TRANSFER macro */ 1001/* always use the TRANSFER macro */
… …
993transfer (pTHX_ struct coro *prev, struct coro *next) 1003transfer (pTHX_ struct coro *prev, struct coro *next)
994{ 1004{
995 dSTACKLEVEL; 1005 dSTACKLEVEL;
996 1006
997 /* sometimes transfer is only called to set idle_sp */ 1007 /* sometimes transfer is only called to set idle_sp */
998 if (!next) 1008 if (expect_false (!next))
999 { 1009 {
1000 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1010 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1001 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1011 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1002 } 1012 }
1003 else if (prev != next) 1013 else if (expect_true (prev != next))
1004 { 1014 {
1005 coro_cctx *prev__cctx; 1015 coro_cctx *prev__cctx;
1006 1016
1007 if (prev->flags & CF_NEW) 1017 if (expect_false (prev->flags & CF_NEW))
1008 { 1018 {
1009 /* create a new empty context */ 1019 /* create a new empty context */
1010 Newz (0, prev->cctx, 1, coro_cctx); 1020 Newz (0, prev->cctx, 1, coro_cctx);
1011 prev->flags &= ~CF_NEW; 1021 prev->flags &= ~CF_NEW;
1012 prev->flags |= CF_RUNNING; 1022 prev->flags |= CF_RUNNING;
… …
1015 prev->flags &= ~CF_RUNNING; 1025 prev->flags &= ~CF_RUNNING;
1016 next->flags |= CF_RUNNING; 1026 next->flags |= CF_RUNNING;
1017 1027
1018 LOCK; 1028 LOCK;
1019 1029
1020 if (next->flags & CF_NEW) 1030 if (expect_false (next->flags & CF_NEW))
1021 { 1031 {
1022 /* need to start coroutine */ 1032 /* need to start coroutine */
1023 next->flags &= ~CF_NEW; 1033 next->flags &= ~CF_NEW;
1024 /* first get rid of the old state */ 1034 /* first get rid of the old state */
1025 save_perl (aTHX_ prev); 1035 save_perl (aTHX_ prev);
… …
1034 } 1044 }
1035 1045
1036 prev__cctx = prev->cctx; 1046 prev__cctx = prev->cctx;
1037 1047
1038 /* possibly "free" the cctx */ 1048 /* possibly "free" the cctx */
1039 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)) 1049 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1040 { 1050 {
1041 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1051 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1042 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1052 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1043 1053
1044 prev->cctx = 0; 1054 prev->cctx = 0;
1045 1055
1056 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1057 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1058 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1059 next->cctx = cctx_get (aTHX);
1060
1046 cctx_put (prev__cctx); 1061 cctx_put (prev__cctx);
1047 } 1062 }
1048 1063
1049 ++next->usecount; 1064 ++next->usecount;
1050 1065
1051 if (!next->cctx) 1066 if (expect_true (!next->cctx))
1052 next->cctx = cctx_get (aTHX); 1067 next->cctx = cctx_get (aTHX);
1053 1068
1054 if (prev__cctx != next->cctx) 1069 if (expect_false (prev__cctx != next->cctx))
1055 { 1070 {
1056 prev__cctx->top_env = PL_top_env; 1071 prev__cctx->top_env = PL_top_env;
1057 PL_top_env = next->cctx->top_env; 1072 PL_top_env = next->cctx->top_env;
1058 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1073 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1059 } 1074 }
1060 1075
1061 free_coro_mortal (aTHX); 1076 free_coro_mortal (aTHX);
1062 UNLOCK; 1077 UNLOCK;
1078
1079 if (expect_false (prev->throw || next->throw))
1080 {
1081 struct coro *coro = SvSTATE (coro_current);
1082
1083 if (coro->throw)
1084 {
1085 SV *exception = coro->throw;
1086 coro->throw = 0;
1087 sv_setsv (ERRSV, exception);
1088 croak (0);
1089 }
1090 }
1063 } 1091 }
1064} 1092}
1065 1093
1066struct transfer_args 1094struct transfer_args
1067{ 1095{
… …
1239 { 1267 {
1240 LOCK; 1268 LOCK;
1241 next_sv = coro_deq (aTHX_ PRIO_MIN); 1269 next_sv = coro_deq (aTHX_ PRIO_MIN);
1242 1270
1243 /* nothing to schedule: call the idle handler */ 1271 /* nothing to schedule: call the idle handler */
1244 if (!next_sv) 1272 if (expect_false (!next_sv))
1245 { 1273 {
1246 dSP; 1274 dSP;
1247 UNLOCK; 1275 UNLOCK;
1248 1276
1249 ENTER; 1277 ENTER;
… …
1259 } 1287 }
1260 1288
1261 ta->next = SvSTATE (next_sv); 1289 ta->next = SvSTATE (next_sv);
1262 1290
1263 /* cannot transfer to destroyed coros, skip and look for next */ 1291 /* cannot transfer to destroyed coros, skip and look for next */
1264 if (ta->next->flags & CF_DESTROYED) 1292 if (expect_false (ta->next->flags & CF_DESTROYED))
1265 { 1293 {
1266 UNLOCK; 1294 UNLOCK;
1267 SvREFCNT_dec (next_sv); 1295 SvREFCNT_dec (next_sv);
1268 /* coro_nready is already taken care of by destroy */ 1296 /* coro_nready is already taken care of by destroy */
1269 continue; 1297 continue;
… …
1325 dTHX; 1353 dTHX;
1326 struct transfer_args ta; 1354 struct transfer_args ta;
1327 1355
1328 prepare_cede (aTHX_ &ta); 1356 prepare_cede (aTHX_ &ta);
1329 1357
1330 if (ta.prev != ta.next) 1358 if (expect_true (ta.prev != ta.next))
1331 { 1359 {
1332 TRANSFER (ta); 1360 TRANSFER (ta);
1333 return 1; 1361 return 1;
1334 } 1362 }
1335 else 1363 else
… …
1429 coro->hv = hv = newHV (); 1457 coro->hv = hv = newHV ();
1430 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1458 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1431 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1459 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1432 1460
1433 av_extend (coro->args, items - 1); 1461 av_extend (coro->args, items - 1);
1434
1435 for (i = 1; i < items; i++) 1462 for (i = 1; i < items; i++)
1436 av_push (coro->args, newSVsv (ST (i))); 1463 av_push (coro->args, newSVsv (ST (i)));
1437} 1464}
1438 OUTPUT: 1465 OUTPUT:
1439 RETVAL 1466 RETVAL
… …
1482 } 1509 }
1483 1510
1484 BARRIER; 1511 BARRIER;
1485 TRANSFER (ta); 1512 TRANSFER (ta);
1486 1513
1487 if (GIMME_V != G_VOID && ta.next != ta.prev) 1514 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1488 XSRETURN_YES; 1515 XSRETURN_YES;
1489} 1516}
1490 1517
1491bool 1518bool
1492_destroy (SV *coro_sv) 1519_destroy (SV *coro_sv)
… …
1708 CODE: 1735 CODE:
1709 RETVAL = coro_nready; 1736 RETVAL = coro_nready;
1710 OUTPUT: 1737 OUTPUT:
1711 RETVAL 1738 RETVAL
1712 1739
1740void
1741throw (Coro::State self, SV *throw = &PL_sv_undef)
1742 PROTOTYPE: $;$
1743 CODE:
1744 SvREFCNT_dec (self->throw);
1745 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1746
1713# for async_pool speedup 1747# for async_pool speedup
1714void 1748void
1715_pool_1 (SV *cb) 1749_pool_1 (SV *cb)
1716 CODE: 1750 CODE:
1717{ 1751{
… …
1721 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1755 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1722 AV *invoke_av; 1756 AV *invoke_av;
1723 int i, len; 1757 int i, len;
1724 1758
1725 if (!invoke) 1759 if (!invoke)
1726 croak ("\3terminate\2\n"); 1760 croak ("\3async_pool terminate\2\n");
1727 1761
1728 SvREFCNT_dec (coro->saved_deffh); 1762 SvREFCNT_dec (coro->saved_deffh);
1729 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1763 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1730 1764
1731 hv_store (hv, "desc", sizeof ("desc") - 1, 1765 hv_store (hv, "desc", sizeof ("desc") - 1,
… …
1757 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 1791 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1758 coro->saved_deffh = 0; 1792 coro->saved_deffh = 0;
1759 1793
1760 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1794 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1795 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1762 croak ("\3terminate\2\n"); 1796 croak ("\3async_pool terminate\2\n");
1763 1797
1764 av_clear (GvAV (PL_defgv)); 1798 av_clear (GvAV (PL_defgv));
1765 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 1799 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1766 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1800 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1767 1801

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