ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Coro/State.xs
(Generate patch)

Comparing Coro/Coro/State.xs (file contents):
Revision 1.157 by root, Fri Sep 21 02:01:13 2007 UTC vs.
Revision 1.185 by root, Thu Oct 4 19:35:08 2007 UTC

88/* prefer perl internal functions over our own? */ 88/* prefer perl internal functions over our own? */
89#ifndef CORO_PREFER_PERL_FUNCTIONS 89#ifndef CORO_PREFER_PERL_FUNCTIONS
90# define CORO_PREFER_PERL_FUNCTIONS 0 90# define CORO_PREFER_PERL_FUNCTIONS 0
91#endif 91#endif
92 92
93/* The next macro should declare a variable stacklevel that contains and approximation 93/* The next macros try to return the current stack pointer, in an as
94 * to the current C stack pointer. Its property is that it changes with each call 94 * portable way as possible. */
95 * and should be unique. */
96#define dSTACKLEVEL int stacklevel 95#define dSTACKLEVEL volatile char stacklevel
97#define STACKLEVEL ((void *)&stacklevel) 96#define STACKLEVEL ((void *)&stacklevel)
98 97
99#define IN_DESTRUCT (PL_main_cv == Nullcv) 98#define IN_DESTRUCT (PL_main_cv == Nullcv)
100 99
101#if __GNUC__ >= 3 100#if __GNUC__ >= 3
133static AV *main_mainstack; /* used to differentiate between $main and others */ 132static AV *main_mainstack; /* used to differentiate between $main and others */
134static JMPENV *main_top_env; 133static JMPENV *main_top_env;
135static HV *coro_state_stash, *coro_stash; 134static HV *coro_state_stash, *coro_stash;
136static SV *coro_mortal; /* will be freed after next transfer */ 135static SV *coro_mortal; /* will be freed after next transfer */
137 136
137static GV *irsgv; /* $/ */
138
139/* async_pool helper stuff */
140static SV *sv_pool_rss;
141static SV *sv_pool_size;
142static AV *av_async_pool;
143
138static struct coro_cctx *cctx_first; 144static struct coro_cctx *cctx_first;
139static int cctx_count, cctx_idle; 145static int cctx_count, cctx_idle;
146
147enum {
148 CC_MAPPED = 0x01,
149 CC_NOREUSE = 0x02, /* throw this away after tracing */
150 CC_TRACE = 0x04,
151 CC_TRACE_SUB = 0x08, /* trace sub calls */
152 CC_TRACE_LINE = 0x10, /* trace each statement */
153 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
154};
140 155
141/* this is a structure representing a c-level coroutine */ 156/* this is a structure representing a c-level coroutine */
142typedef struct coro_cctx { 157typedef struct coro_cctx {
143 struct coro_cctx *next; 158 struct coro_cctx *next;
144 159
153 coro_context cctx; 168 coro_context cctx;
154 169
155#if CORO_USE_VALGRIND 170#if CORO_USE_VALGRIND
156 int valgrind_id; 171 int valgrind_id;
157#endif 172#endif
158 char inuse, mapped; 173 unsigned char flags;
159} coro_cctx; 174} coro_cctx;
160 175
161enum { 176enum {
162 CF_RUNNING = 0x0001, /* coroutine is running */ 177 CF_RUNNING = 0x0001, /* coroutine is running */
163 CF_READY = 0x0002, /* coroutine is ready */ 178 CF_READY = 0x0002, /* coroutine is ready */
171 coro_cctx *cctx; 186 coro_cctx *cctx;
172 187
173 /* data associated with this coroutine (initial args) */ 188 /* data associated with this coroutine (initial args) */
174 AV *args; 189 AV *args;
175 int refcnt; 190 int refcnt;
176 int save; /* CORO_SAVE flags */
177 int flags; /* CF_ flags */ 191 int flags; /* CF_ flags */
178 192
179 /* optionally saved, might be zero */ 193 /* optionally saved, might be zero */
180 AV *defav; /* @_ */ 194 AV *defav; /* @_ */
181 SV *defsv; /* $_ */ 195 SV *defsv; /* $_ */
182 SV *errsv; /* $@ */ 196 SV *errsv; /* $@ */
183 GV *deffh; /* default filehandle */ 197 SV *deffh; /* default filehandle */
184 SV *irssv; /* $/ */ 198 SV *irssv; /* $/ */
185 SV *irssv_sv; /* real $/ cache */ 199 SV *irssv_sv; /* real $/ cache */
186 200
187#define VAR(name,type) type name; 201#define VAR(name,type) type name;
188# include "state.h" 202# include "state.h"
189#undef VAR 203#undef VAR
190 204
205 /* statistics */
206 int usecount; /* number of transfers to this coro */
207
191 /* coro process data */ 208 /* coro process data */
192 int prio; 209 int prio;
210 //SV *throw;
211
212 /* async_pool */
213 SV *saved_deffh;
193 214
194 /* linked list */ 215 /* linked list */
195 struct coro *next, *prev; 216 struct coro *next, *prev;
196 HV *hv; /* the perl hash associated with this coro, if any */ 217 HV *hv; /* the perl hash associated with this coro, if any */
197}; 218};
285 SvMAGIC (cv) \ 306 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 307 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 308 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 309 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 0 310 : 0
311
312static struct coro *
313SvSTATE_ (pTHX_ SV *coro)
314{
315 HV *stash;
316 MAGIC *mg;
317
318 if (SvROK (coro))
319 coro = SvRV (coro);
320
321 if (SvTYPE (coro) != SVt_PVHV)
322 croak ("Coro::State object required");
323
324 stash = SvSTASH (coro);
325 if (stash != coro_stash && stash != coro_state_stash)
326 {
327 /* very slow, but rare, check */
328 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329 croak ("Coro::State object required");
330 }
331
332 mg = CORO_MAGIC (coro);
333 return (struct coro *)mg->mg_ptr;
334}
335
336#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290 337
291/* the next two functions merely cache the padlists */ 338/* the next two functions merely cache the padlists */
292static void 339static void
293get_padlist (pTHX_ CV *cv) 340get_padlist (pTHX_ CV *cv)
294{ 341{
333 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 380 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334} 381}
335 382
336/** load & save, init *******************************************************/ 383/** load & save, init *******************************************************/
337 384
338#define SB do {
339#define SE } while (0)
340
341#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
342
343static void 385static void
344load_perl (pTHX_ Coro__State c) 386load_perl (pTHX_ Coro__State c)
345{ 387{
346#define VAR(name,type) PL_ ## name = c->name; 388#define VAR(name,type) PL_ ## name = c->name;
347# include "state.h" 389# include "state.h"
348#undef VAR 390#undef VAR
349 391
350 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 392 GvSV (PL_defgv) = c->defsv;
351 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 393 GvAV (PL_defgv) = c->defav;
352 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 394 GvSV (PL_errgv) = c->errsv;
353 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); 395 GvSV (irsgv) = c->irssv_sv;
354
355 if (c->irssv)
356 {
357 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
358 {
359 SvREFCNT_dec (c->irssv);
360 c->irssv = 0;
361 }
362 else
363 {
364 REPLACE_SV (PL_rs, c->irssv);
365 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
366 sv_setsv (c->irssv_sv, PL_rs);
367 }
368 }
369 396
370 { 397 {
371 dSP; 398 dSP;
372 CV *cv; 399 CV *cv;
373 400
424 451
425 if (top_si->si_type == PERLSI_MAIN) 452 if (top_si->si_type == PERLSI_MAIN)
426 break; 453 break;
427 454
428 top_si = top_si->si_prev; 455 top_si = top_si->si_prev;
429 ccstk = top_si->si_cxstack; 456 ccstk = top_si->si_cxstack;
430 cxix = top_si->si_cxix; 457 cxix = top_si->si_cxix;
431 } 458 }
432 459
433 PUTBACK; 460 PUTBACK;
434 } 461 }
435 462
436 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 463 c->defav = GvAV (PL_defgv);
437 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 464 c->defsv = DEFSV;
438 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 465 c->errsv = ERRSV;
439 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 466 c->irssv_sv = GvSV (irsgv);
440 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
441 467
442#define VAR(name,type)c->name = PL_ ## name; 468#define VAR(name,type)c->name = PL_ ## name;
443# include "state.h" 469# include "state.h"
444#undef VAR 470#undef VAR
445} 471}
498 * destroy the stacks, the callchain etc... 524 * destroy the stacks, the callchain etc...
499 */ 525 */
500static void 526static void
501coro_destroy_stacks (pTHX) 527coro_destroy_stacks (pTHX)
502{ 528{
503 if (!IN_DESTRUCT)
504 {
505 /* restore all saved variables and stuff */
506 LEAVE_SCOPE (0);
507 assert (PL_tmps_floor == -1);
508
509 /* free all temporaries */
510 FREETMPS;
511 assert (PL_tmps_ix == -1);
512
513 /* unwind all extra stacks */
514 POPSTACK_TO (PL_mainstack);
515
516 /* unwind main stack */
517 dounwind (-1);
518 }
519
520 while (PL_curstackinfo->si_next) 529 while (PL_curstackinfo->si_next)
521 PL_curstackinfo = PL_curstackinfo->si_next; 530 PL_curstackinfo = PL_curstackinfo->si_next;
522 531
523 while (PL_curstackinfo) 532 while (PL_curstackinfo)
524 { 533 {
540 Safefree (PL_retstack); 549 Safefree (PL_retstack);
541#endif 550#endif
542} 551}
543 552
544static size_t 553static size_t
545coro_rss (struct coro *coro) 554coro_rss (pTHX_ struct coro *coro)
546{ 555{
547 size_t rss = sizeof (coro); 556 size_t rss = sizeof (*coro);
548 557
549 if (coro->mainstack) 558 if (coro->mainstack)
550 { 559 {
551 if (coro->flags & CF_RUNNING) 560 if (coro->flags & CF_RUNNING)
552 { 561 {
554 # include "state.h" 563 # include "state.h"
555 #undef VAR 564 #undef VAR
556 } 565 }
557 566
558 rss += sizeof (coro->curstackinfo); 567 rss += sizeof (coro->curstackinfo);
559 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); 568 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
560 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 569 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
561 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 570 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
562 rss += coro->tmps_max * sizeof (SV *); 571 rss += coro->tmps_max * sizeof (SV *);
563 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 572 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
564 rss += coro->scopestack_max * sizeof (I32); 573 rss += coro->scopestack_max * sizeof (I32);
565 rss += coro->savestack_max * sizeof (ANY); 574 rss += coro->savestack_max * sizeof (ANY);
566 575
573} 582}
574 583
575/** coroutine stack handling ************************************************/ 584/** coroutine stack handling ************************************************/
576 585
577static void 586static void
578setup_coro (pTHX_ struct coro *coro) 587coro_setup (pTHX_ struct coro *coro)
579{ 588{
580 /* 589 /*
581 * emulate part of the perl startup here. 590 * emulate part of the perl startup here.
582 */ 591 */
583 coro_init_stacks (aTHX); 592 coro_init_stacks (aTHX);
584 593
594 PL_runops = RUNOPS_DEFAULT;
585 PL_curcop = &PL_compiling; 595 PL_curcop = &PL_compiling;
586 PL_in_eval = EVAL_NULL; 596 PL_in_eval = EVAL_NULL;
587 PL_comppad = 0; 597 PL_comppad = 0;
588 PL_curpm = 0; 598 PL_curpm = 0;
589 PL_localizing = 0; 599 PL_localizing = 0;
590 PL_dirty = 0; 600 PL_dirty = 0;
591 PL_restartop = 0; 601 PL_restartop = 0;
602
603 GvSV (PL_defgv) = NEWSV (0, 0);
604 GvAV (PL_defgv) = coro->args; coro->args = 0;
605 GvSV (PL_errgv) = NEWSV (0, 0);
606 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607 PL_rs = newSVsv (GvSV (irsgv));
608
609 {
610 IO *io = newIO ();
611 PL_defoutgv = newGVgen ("Coro");
612 GvIOp(PL_defoutgv) = io;
613 IoTYPE (io) = IoTYPE_WRONLY;
614 IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
615 IoFLAGS (io) |= IOf_FLUSH;
616 }
592 617
593 { 618 {
594 dSP; 619 dSP;
595 LOGOP myop; 620 LOGOP myop;
596
597 SvREFCNT_dec (GvAV (PL_defgv));
598 GvAV (PL_defgv) = coro->args; coro->args = 0;
599 621
600 Zero (&myop, 1, LOGOP); 622 Zero (&myop, 1, LOGOP);
601 myop.op_next = Nullop; 623 myop.op_next = Nullop;
602 myop.op_flags = OPf_WANT_VOID; 624 myop.op_flags = OPf_WANT_VOID;
603 625
611 633
612 ENTER; /* necessary e.g. for dounwind */ 634 ENTER; /* necessary e.g. for dounwind */
613} 635}
614 636
615static void 637static void
638coro_destroy (pTHX_ struct coro *coro)
639{
640 if (!IN_DESTRUCT)
641 {
642 /* restore all saved variables and stuff */
643 LEAVE_SCOPE (0);
644 assert (PL_tmps_floor == -1);
645
646 /* free all temporaries */
647 FREETMPS;
648 assert (PL_tmps_ix == -1);
649
650 /* unwind all extra stacks */
651 POPSTACK_TO (PL_mainstack);
652
653 /* unwind main stack */
654 dounwind (-1);
655 }
656
657 SvREFCNT_dec (GvSV (PL_defgv));
658 SvREFCNT_dec (GvAV (PL_defgv));
659 SvREFCNT_dec (GvSV (PL_errgv));
660 SvREFCNT_dec (PL_defoutgv);
661 SvREFCNT_dec (PL_rs);
662 SvREFCNT_dec (GvSV (irsgv));
663
664 SvREFCNT_dec (coro->saved_deffh);
665 //SvREFCNT_dec (coro->throw);
666
667 coro_destroy_stacks (aTHX);
668}
669
670static void
616free_coro_mortal (pTHX) 671free_coro_mortal (pTHX)
617{ 672{
618 if (coro_mortal) 673 if (coro_mortal)
619 { 674 {
620 SvREFCNT_dec (coro_mortal); 675 SvREFCNT_dec (coro_mortal);
621 coro_mortal = 0; 676 coro_mortal = 0;
622 } 677 }
678}
679
680static int
681runops_trace (pTHX)
682{
683 COP *oldcop = 0;
684 int oldcxix = -2;
685 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
686 coro_cctx *cctx = coro->cctx;
687
688 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
689 {
690 PERL_ASYNC_CHECK ();
691
692 if (cctx->flags & CC_TRACE_ALL)
693 {
694 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
695 {
696 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
697 SV **bot, **top;
698 AV *av = newAV (); /* return values */
699 SV **cb;
700 dSP;
701
702 GV *gv = CvGV (cx->blk_sub.cv);
703 SV *fullname = sv_2mortal (newSV (0));
704 if (isGV (gv))
705 gv_efullname3 (fullname, gv, 0);
706
707 bot = PL_stack_base + cx->blk_oldsp + 1;
708 top = cx->blk_gimme == G_ARRAY ? SP + 1
709 : cx->blk_gimme == G_SCALAR ? bot + 1
710 : bot;
711
712 while (bot < top)
713 av_push (av, SvREFCNT_inc (*bot++));
714
715 PL_runops = RUNOPS_DEFAULT;
716 ENTER;
717 SAVETMPS;
718 EXTEND (SP, 3);
719 PUSHMARK (SP);
720 PUSHs (&PL_sv_no);
721 PUSHs (fullname);
722 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
723 PUTBACK;
724 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
725 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
726 SPAGAIN;
727 FREETMPS;
728 LEAVE;
729 PL_runops = runops_trace;
730 }
731
732 if (oldcop != PL_curcop)
733 {
734 oldcop = PL_curcop;
735
736 if (PL_curcop != &PL_compiling)
737 {
738 SV **cb;
739
740 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
741 {
742 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
743
744 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
745 {
746 runops_proc_t old_runops = PL_runops;
747 dSP;
748 GV *gv = CvGV (cx->blk_sub.cv);
749 SV *fullname = sv_2mortal (newSV (0));
750
751 if (isGV (gv))
752 gv_efullname3 (fullname, gv, 0);
753
754 PL_runops = RUNOPS_DEFAULT;
755 ENTER;
756 SAVETMPS;
757 EXTEND (SP, 3);
758 PUSHMARK (SP);
759 PUSHs (&PL_sv_yes);
760 PUSHs (fullname);
761 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
762 PUTBACK;
763 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
764 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
765 SPAGAIN;
766 FREETMPS;
767 LEAVE;
768 PL_runops = runops_trace;
769 }
770
771 oldcxix = cxstack_ix;
772 }
773
774 if (cctx->flags & CC_TRACE_LINE)
775 {
776 dSP;
777
778 PL_runops = RUNOPS_DEFAULT;
779 ENTER;
780 SAVETMPS;
781 EXTEND (SP, 3);
782 PL_runops = RUNOPS_DEFAULT;
783 PUSHMARK (SP);
784 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
785 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
786 PUTBACK;
787 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
788 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
789 SPAGAIN;
790 FREETMPS;
791 LEAVE;
792 PL_runops = runops_trace;
793 }
794 }
795 }
796 }
797 }
798
799 TAINT_NOT;
800 return 0;
623} 801}
624 802
625/* inject a fake call to Coro::State::_cctx_init into the execution */ 803/* inject a fake call to Coro::State::_cctx_init into the execution */
626/* _cctx_init should be careful, as it could be called at almost any time */ 804/* _cctx_init should be careful, as it could be called at almost any time */
627/* during execution of a perl program */ 805/* during execution of a perl program */
628static void NOINLINE 806static void NOINLINE
629prepare_cctx (pTHX_ coro_cctx *cctx) 807prepare_cctx (pTHX_ coro_cctx *cctx)
630{ 808{
631 dSP; 809 dSP;
632 LOGOP myop; 810 LOGOP myop;
811
812 PL_top_env = &PL_start_env;
813
814 if (cctx->flags & CC_TRACE)
815 PL_runops = runops_trace;
633 816
634 Zero (&myop, 1, LOGOP); 817 Zero (&myop, 1, LOGOP);
635 myop.op_next = PL_op; 818 myop.op_next = PL_op;
636 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 819 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
637 820
654 dTHX; 837 dTHX;
655 838
656 /* coro_run is the alternative tail of transfer(), so unlock here. */ 839 /* coro_run is the alternative tail of transfer(), so unlock here. */
657 UNLOCK; 840 UNLOCK;
658 841
659 PL_top_env = &PL_start_env; 842 /* we now skip the entersub that lead to transfer() */
843 PL_op = PL_op->op_next;
660 844
661 /* inject a fake subroutine call to cctx_init */ 845 /* inject a fake subroutine call to cctx_init */
662 prepare_cctx (aTHX_ (coro_cctx *)arg); 846 prepare_cctx (aTHX_ (coro_cctx *)arg);
663 847
664 /* somebody or something will hit me for both perl_run and PL_restartop */ 848 /* somebody or something will hit me for both perl_run and PL_restartop */
698# if CORO_STACKGUARD 882# if CORO_STACKGUARD
699 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 883 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
700# endif 884# endif
701 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 885 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
702 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 886 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
703 cctx->mapped = 1; 887 cctx->flags |= CC_MAPPED;
704 } 888 }
705 else 889 else
706#endif 890#endif
707 { 891 {
708 cctx->ssize = coro_stacksize * (long)sizeof (long); 892 cctx->ssize = coro_stacksize * (long)sizeof (long);
735#if CORO_USE_VALGRIND 919#if CORO_USE_VALGRIND
736 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 920 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
737#endif 921#endif
738 922
739#if HAVE_MMAP 923#if HAVE_MMAP
740 if (cctx->mapped) 924 if (cctx->flags & CC_MAPPED)
741 munmap (cctx->sptr, cctx->ssize); 925 munmap (cctx->sptr, cctx->ssize);
742 else 926 else
743#endif 927#endif
744 Safefree (cctx->sptr); 928 Safefree (cctx->sptr);
745 929
753 { 937 {
754 coro_cctx *cctx = cctx_first; 938 coro_cctx *cctx = cctx_first;
755 cctx_first = cctx->next; 939 cctx_first = cctx->next;
756 --cctx_idle; 940 --cctx_idle;
757 941
758 if (cctx->ssize >= coro_stacksize) 942 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
759 return cctx; 943 return cctx;
760 944
761 cctx_destroy (cctx); 945 cctx_destroy (cctx);
762 } 946 }
763 947
764 PL_op = PL_op->op_next;
765 return cctx_new (); 948 return cctx_new ();
766} 949}
767 950
768static void 951static void
769cctx_put (coro_cctx *cctx) 952cctx_put (coro_cctx *cctx)
773 { 956 {
774 coro_cctx *first = cctx_first; 957 coro_cctx *first = cctx_first;
775 cctx_first = first->next; 958 cctx_first = first->next;
776 --cctx_idle; 959 --cctx_idle;
777 960
778 assert (!first->inuse);
779 cctx_destroy (first); 961 cctx_destroy (first);
780 } 962 }
781 963
782 ++cctx_idle; 964 ++cctx_idle;
783 cctx->next = cctx_first; 965 cctx->next = cctx_first;
784 cctx_first = cctx; 966 cctx_first = cctx;
785} 967}
786 968
787/** coroutine switching *****************************************************/ 969/** coroutine switching *****************************************************/
788 970
789/* never call directly, always through the coro_state_transfer global variable */ 971static void NOINLINE
972transfer_check (pTHX_ struct coro *prev, struct coro *next)
973{
974 if (prev != next)
975 {
976 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
977 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
978
979 if (next->flags & CF_RUNNING)
980 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
981
982 if (next->flags & CF_DESTROYED)
983 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
984
985 if (PL_lex_state != LEX_NOTPARSING)
986 croak ("Coro::State::transfer called while parsing, but this is not supported");
987 }
988}
989
990/* always use the TRANSFER macro */
790static void NOINLINE 991static void NOINLINE
791transfer (pTHX_ struct coro *prev, struct coro *next) 992transfer (pTHX_ struct coro *prev, struct coro *next)
792{ 993{
793 dSTACKLEVEL; 994 dSTACKLEVEL;
794 995
804 1005
805 if (prev->flags & CF_NEW) 1006 if (prev->flags & CF_NEW)
806 { 1007 {
807 /* create a new empty context */ 1008 /* create a new empty context */
808 Newz (0, prev->cctx, 1, coro_cctx); 1009 Newz (0, prev->cctx, 1, coro_cctx);
809 prev->cctx->inuse = 1;
810 prev->flags &= ~CF_NEW; 1010 prev->flags &= ~CF_NEW;
811 prev->flags |= CF_RUNNING; 1011 prev->flags |= CF_RUNNING;
812 } 1012 }
813
814 /*TODO: must not croak here */
815 if (!prev->flags & CF_RUNNING)
816 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
817
818 if (next->flags & CF_RUNNING)
819 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
820
821 if (next->flags & CF_DESTROYED)
822 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
823 1013
824 prev->flags &= ~CF_RUNNING; 1014 prev->flags &= ~CF_RUNNING;
825 next->flags |= CF_RUNNING; 1015 next->flags |= CF_RUNNING;
826 1016
827 LOCK; 1017 LOCK;
831 /* need to start coroutine */ 1021 /* need to start coroutine */
832 next->flags &= ~CF_NEW; 1022 next->flags &= ~CF_NEW;
833 /* first get rid of the old state */ 1023 /* first get rid of the old state */
834 save_perl (aTHX_ prev); 1024 save_perl (aTHX_ prev);
835 /* setup coroutine call */ 1025 /* setup coroutine call */
836 setup_coro (aTHX_ next); 1026 coro_setup (aTHX_ next);
837 /* need a new stack */
838 assert (!next->cctx);
839 } 1027 }
840 else 1028 else
841 { 1029 {
842 /* coroutine already started */ 1030 /* coroutine already started */
843 save_perl (aTHX_ prev); 1031 save_perl (aTHX_ prev);
845 } 1033 }
846 1034
847 prev__cctx = prev->cctx; 1035 prev__cctx = prev->cctx;
848 1036
849 /* possibly "free" the cctx */ 1037 /* possibly "free" the cctx */
850 if (prev__cctx->idle_sp == STACKLEVEL) 1038 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
851 { 1039 {
852 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1040 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
853 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1041 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
854 1042
855 prev->cctx = 0; 1043 prev->cctx = 0;
856 1044
857 cctx_put (prev__cctx); 1045 cctx_put (prev__cctx);
858 prev__cctx->inuse = 0;
859 } 1046 }
860 1047
1048 ++next->usecount;
1049
861 if (!next->cctx) 1050 if (!next->cctx)
862 {
863 next->cctx = cctx_get (aTHX); 1051 next->cctx = cctx_get (aTHX);
864 assert (!next->cctx->inuse);
865 next->cctx->inuse = 1;
866 }
867 1052
868 if (prev__cctx != next->cctx) 1053 if (prev__cctx != next->cctx)
869 { 1054 {
870 prev__cctx->top_env = PL_top_env; 1055 prev__cctx->top_env = PL_top_env;
871 PL_top_env = next->cctx->top_env; 1056 PL_top_env = next->cctx->top_env;
881{ 1066{
882 struct coro *prev, *next; 1067 struct coro *prev, *next;
883}; 1068};
884 1069
885#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1070#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1071#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
886 1072
887/** high level stuff ********************************************************/ 1073/** high level stuff ********************************************************/
888 1074
889static int 1075static int
890coro_state_destroy (pTHX_ struct coro *coro) 1076coro_state_destroy (pTHX_ struct coro *coro)
907 1093
908 if (coro->mainstack && coro->mainstack != main_mainstack) 1094 if (coro->mainstack && coro->mainstack != main_mainstack)
909 { 1095 {
910 struct coro temp; 1096 struct coro temp;
911 1097
912 assert (!(coro->flags & CF_RUNNING));
913
914 Zero (&temp, 1, struct coro);
915 temp.save = CORO_SAVE_ALL;
916
917 if (coro->flags & CF_RUNNING) 1098 if (coro->flags & CF_RUNNING)
918 croak ("FATAL: tried to destroy currently running coroutine"); 1099 croak ("FATAL: tried to destroy currently running coroutine");
919 1100
920 save_perl (aTHX_ &temp); 1101 save_perl (aTHX_ &temp);
921 load_perl (aTHX_ coro); 1102 load_perl (aTHX_ coro);
922 1103
923 coro_destroy_stacks (aTHX); 1104 coro_destroy (aTHX_ coro);
924 1105
925 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1106 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
926 1107
927 coro->mainstack = 0; 1108 coro->mainstack = 0;
928 } 1109 }
973#else 1154#else
974# define MGf_DUP 0 1155# define MGf_DUP 0
975#endif 1156#endif
976}; 1157};
977 1158
978static struct coro *
979SvSTATE_ (pTHX_ SV *coro)
980{
981 HV *stash;
982 MAGIC *mg;
983
984 if (SvROK (coro))
985 coro = SvRV (coro);
986
987 stash = SvSTASH (coro);
988 if (stash != coro_stash && stash != coro_state_stash)
989 {
990 /* very slow, but rare, check */
991 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
992 croak ("Coro::State object required");
993 }
994
995 mg = CORO_MAGIC (coro);
996 return (struct coro *)mg->mg_ptr;
997}
998
999#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1000
1001static void 1159static void
1002prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1160prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1003{ 1161{
1004 ta->prev = SvSTATE (prev_sv); 1162 ta->prev = SvSTATE (prev_sv);
1005 ta->next = SvSTATE (next_sv); 1163 ta->next = SvSTATE (next_sv);
1164 TRANSFER_CHECK (*ta);
1006} 1165}
1007 1166
1008static void 1167static void
1009api_transfer (SV *prev_sv, SV *next_sv) 1168api_transfer (SV *prev_sv, SV *next_sv)
1010{ 1169{
1011 dTHX; 1170 dTHX;
1012 struct transfer_args ta; 1171 struct transfer_args ta;
1013 1172
1014 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1173 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1015 TRANSFER (ta); 1174 TRANSFER (ta);
1016}
1017
1018static int
1019api_save (SV *coro_sv, int new_save)
1020{
1021 dTHX;
1022 struct coro *coro = SvSTATE (coro_sv);
1023 int old_save = coro->save;
1024
1025 if (new_save >= 0)
1026 coro->save = new_save;
1027
1028 return old_save;
1029} 1175}
1030 1176
1031/** Coro ********************************************************************/ 1177/** Coro ********************************************************************/
1032 1178
1033static void 1179static void
1127 break; 1273 break;
1128 } 1274 }
1129 1275
1130 /* free this only after the transfer */ 1276 /* free this only after the transfer */
1131 prev_sv = SvRV (coro_current); 1277 prev_sv = SvRV (coro_current);
1132 SvRV_set (coro_current, next_sv);
1133 ta->prev = SvSTATE (prev_sv); 1278 ta->prev = SvSTATE (prev_sv);
1134 1279 TRANSFER_CHECK (*ta);
1135 assert (ta->next->flags & CF_READY); 1280 assert (ta->next->flags & CF_READY);
1136 ta->next->flags &= ~CF_READY; 1281 ta->next->flags &= ~CF_READY;
1282 SvRV_set (coro_current, next_sv);
1137 1283
1138 LOCK; 1284 LOCK;
1139 free_coro_mortal (aTHX); 1285 free_coro_mortal (aTHX);
1140 coro_mortal = prev_sv; 1286 coro_mortal = prev_sv;
1141 UNLOCK; 1287 UNLOCK;
1202 } 1348 }
1203 else 1349 else
1204 return 0; 1350 return 0;
1205} 1351}
1206 1352
1353static void
1354api_trace (SV *coro_sv, int flags)
1355{
1356 dTHX;
1357 struct coro *coro = SvSTATE (coro_sv);
1358
1359 if (flags & CC_TRACE)
1360 {
1361 if (!coro->cctx)
1362 coro->cctx = cctx_new ();
1363 else if (!(coro->cctx->flags & CC_TRACE))
1364 croak ("cannot enable tracing on coroutine with custom stack");
1365
1366 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1367 }
1368 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1369 {
1370 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1371
1372 if (coro->flags & CF_RUNNING)
1373 PL_runops = RUNOPS_DEFAULT;
1374 else
1375 coro->runops = RUNOPS_DEFAULT;
1376 }
1377}
1378
1207MODULE = Coro::State PACKAGE = Coro::State 1379MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1208 1380
1209PROTOTYPES: DISABLE 1381PROTOTYPES: DISABLE
1210 1382
1211BOOT: 1383BOOT:
1212{ 1384{
1213#ifdef USE_ITHREADS 1385#ifdef USE_ITHREADS
1214 MUTEX_INIT (&coro_mutex); 1386 MUTEX_INIT (&coro_mutex);
1215#endif 1387#endif
1216 BOOT_PAGESIZE; 1388 BOOT_PAGESIZE;
1217 1389
1390 irsgv = gv_fetchpv ("/", 1, SVt_PV);
1391
1218 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1392 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1219 1393
1220 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1394 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1221 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1395 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1222 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1223 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1224 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1396 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1226 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1397 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1227 1398
1228 main_mainstack = PL_mainstack; 1399 main_mainstack = PL_mainstack;
1229 main_top_env = PL_top_env; 1400 main_top_env = PL_top_env;
1230 1401
1231 while (main_top_env->je_prev) 1402 while (main_top_env->je_prev)
1244 struct coro *coro; 1415 struct coro *coro;
1245 HV *hv; 1416 HV *hv;
1246 int i; 1417 int i;
1247 1418
1248 Newz (0, coro, 1, struct coro); 1419 Newz (0, coro, 1, struct coro);
1249 coro->args = newAV (); 1420 coro->args = newAV ();
1250 coro->save = CORO_SAVE_DEF;
1251 coro->flags = CF_NEW; 1421 coro->flags = CF_NEW;
1252 1422
1253 if (coro_first) coro_first->prev = coro; 1423 if (coro_first) coro_first->prev = coro;
1254 coro->next = coro_first; 1424 coro->next = coro_first;
1255 coro_first = coro; 1425 coro_first = coro;
1262 av_push (coro->args, newSVsv (ST (i))); 1432 av_push (coro->args, newSVsv (ST (i)));
1263} 1433}
1264 OUTPUT: 1434 OUTPUT:
1265 RETVAL 1435 RETVAL
1266 1436
1267int 1437# these not obviously related functions are all rolled into the same xs
1268save (SV *coro, int new_save = -1) 1438# function to increase chances that they all will call transfer with the same
1269 CODE: 1439# stack offset
1270 RETVAL = api_save (coro, new_save);
1271 OUTPUT:
1272 RETVAL
1273
1274int
1275save_also (SV *coro_sv, int save_also)
1276 CODE:
1277{
1278 struct coro *coro = SvSTATE (coro_sv);
1279 RETVAL = coro->save;
1280 coro->save |= save_also;
1281}
1282 OUTPUT:
1283 RETVAL
1284
1285void 1440void
1286_set_stacklevel (...) 1441_set_stacklevel (...)
1287 ALIAS: 1442 ALIAS:
1288 Coro::State::transfer = 1 1443 Coro::State::transfer = 1
1289 Coro::schedule = 2 1444 Coro::schedule = 2
1375 if (coro->hv) 1530 if (coro->hv)
1376 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1531 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1377} 1532}
1378 1533
1379void 1534void
1380_eval (Coro::State coro, SV *coderef) 1535call (Coro::State coro, SV *coderef)
1536 ALIAS:
1537 eval = 1
1381 CODE: 1538 CODE:
1382{ 1539{
1383 if (coro->mainstack) 1540 if (coro->mainstack)
1384 { 1541 {
1385 struct coro temp; 1542 struct coro temp;
1386 Zero (&temp, 1, struct coro); 1543 Zero (&temp, 1, struct coro);
1387 temp.save = CORO_SAVE_ALL;
1388 1544
1389 if (!(coro->flags & CF_RUNNING)) 1545 if (!(coro->flags & CF_RUNNING))
1390 { 1546 {
1391 save_perl (aTHX_ &temp); 1547 save_perl (aTHX_ &temp);
1392 load_perl (aTHX_ coro); 1548 load_perl (aTHX_ coro);
1396 dSP; 1552 dSP;
1397 ENTER; 1553 ENTER;
1398 SAVETMPS; 1554 SAVETMPS;
1399 PUSHMARK (SP); 1555 PUSHMARK (SP);
1400 PUTBACK; 1556 PUTBACK;
1557 if (ix)
1558 eval_sv (coderef, 0);
1559 else
1401 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1560 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1402 SPAGAIN; 1561 SPAGAIN;
1403 FREETMPS; 1562 FREETMPS;
1404 LEAVE; 1563 LEAVE;
1405 PUTBACK; 1564 PUTBACK;
1406 } 1565 }
1410 save_perl (aTHX_ coro); 1569 save_perl (aTHX_ coro);
1411 load_perl (aTHX_ &temp); 1570 load_perl (aTHX_ &temp);
1412 } 1571 }
1413 } 1572 }
1414} 1573}
1415 1574
1416SV * 1575SV *
1417is_ready (Coro::State coro) 1576is_ready (Coro::State coro)
1418 PROTOTYPE: $ 1577 PROTOTYPE: $
1419 ALIAS: 1578 ALIAS:
1420 is_ready = CF_READY 1579 is_ready = CF_READY
1424 CODE: 1583 CODE:
1425 RETVAL = boolSV (coro->flags & ix); 1584 RETVAL = boolSV (coro->flags & ix);
1426 OUTPUT: 1585 OUTPUT:
1427 RETVAL 1586 RETVAL
1428 1587
1588void
1589api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1590
1591SV *
1592has_stack (Coro::State coro)
1593 PROTOTYPE: $
1594 CODE:
1595 RETVAL = boolSV (!!coro->cctx);
1596 OUTPUT:
1597 RETVAL
1598
1599int
1600is_traced (Coro::State coro)
1601 PROTOTYPE: $
1602 CODE:
1603 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1604 OUTPUT:
1605 RETVAL
1606
1429IV 1607IV
1430rss (Coro::State coro) 1608rss (Coro::State coro)
1431 PROTOTYPE: $ 1609 PROTOTYPE: $
1610 ALIAS:
1611 usecount = 1
1432 CODE: 1612 CODE:
1433 RETVAL = coro_rss (coro); 1613 switch (ix)
1614 {
1615 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1616 case 1: RETVAL = coro->usecount; break;
1617 }
1434 OUTPUT: 1618 OUTPUT:
1435 RETVAL 1619 RETVAL
1436 1620
1437 1621
1438MODULE = Coro::State PACKAGE = Coro 1622MODULE = Coro::State PACKAGE = Coro
1439 1623
1440BOOT: 1624BOOT:
1441{ 1625{
1442 int i; 1626 int i;
1627
1628 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1629 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1630 av_async_pool = get_av ("Coro::async_pool", TRUE);
1631
1632 coro_current = get_sv ("Coro::current", FALSE);
1633 SvREADONLY_on (coro_current);
1443 1634
1444 coro_stash = gv_stashpv ("Coro", TRUE); 1635 coro_stash = gv_stashpv ("Coro", TRUE);
1445 1636
1446 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1637 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1447 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1638 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1448 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1639 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1449 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1640 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1450 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1641 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1451 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1642 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1452 1643
1453 coro_current = get_sv ("Coro::current", FALSE);
1454 SvREADONLY_on (coro_current);
1455
1456 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1644 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1457 coro_ready[i] = newAV (); 1645 coro_ready[i] = newAV ();
1458 1646
1459 { 1647 {
1460 SV *sv = perl_get_sv("Coro::API", 1); 1648 SV *sv = perl_get_sv("Coro::API", 1);
1461 1649
1462 coroapi.schedule = api_schedule; 1650 coroapi.schedule = api_schedule;
1463 coroapi.save = api_save;
1464 coroapi.cede = api_cede; 1651 coroapi.cede = api_cede;
1465 coroapi.cede_notself = api_cede_notself; 1652 coroapi.cede_notself = api_cede_notself;
1466 coroapi.ready = api_ready; 1653 coroapi.ready = api_ready;
1467 coroapi.is_ready = api_is_ready; 1654 coroapi.is_ready = api_is_ready;
1468 coroapi.nready = &coro_nready; 1655 coroapi.nready = &coro_nready;
1517 CODE: 1704 CODE:
1518 RETVAL = coro_nready; 1705 RETVAL = coro_nready;
1519 OUTPUT: 1706 OUTPUT:
1520 RETVAL 1707 RETVAL
1521 1708
1709# for async_pool speedup
1710void
1711_pool_1 (SV *cb)
1712 CODE:
1713{
1714 struct coro *coro = SvSTATE (coro_current);
1715 HV *hv = (HV *)SvRV (coro_current);
1716 AV *defav = GvAV (PL_defgv);
1717 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1718 AV *invoke_av;
1719 int i, len;
1720
1721 if (!invoke)
1722 croak ("\3terminate\2\n");
1723
1724 SvREFCNT_dec (coro->saved_deffh);
1725 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1726
1727 hv_store (hv, "desc", sizeof ("desc") - 1,
1728 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1729
1730 invoke_av = (AV *)SvRV (invoke);
1731 len = av_len (invoke_av);
1732
1733 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1734
1735 if (len > 0)
1736 {
1737 av_fill (defav, len - 1);
1738 for (i = 0; i < len; ++i)
1739 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1740 }
1741
1742 SvREFCNT_dec (invoke);
1743}
1744
1745void
1746_pool_2 (SV *cb)
1747 CODE:
1748{
1749 struct coro *coro = SvSTATE (coro_current);
1750
1751 sv_setsv (cb, &PL_sv_undef);
1752
1753 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1754 coro->saved_deffh = 0;
1755
1756 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1757 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1758 croak ("\3terminate\2\n");
1759
1760 av_clear (GvAV (PL_defgv));
1761 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1762 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1763
1764 coro->prio = 0;
1765
1766 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1767 api_trace (coro_current, 0);
1768
1769 av_push (av_async_pool, newSVsv (coro_current));
1770}
1771
1772
1522MODULE = Coro::State PACKAGE = Coro::AIO 1773MODULE = Coro::State PACKAGE = Coro::AIO
1523 1774
1524SV * 1775SV *
1525_get_state () 1776_get_state ()
1526 CODE: 1777 CODE:

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines