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Comparing Coro/Coro/State.xs (file contents):
Revision 1.153 by root, Thu Sep 20 12:18:00 2007 UTC vs.
Revision 1.178 by root, Wed Oct 3 01:48:06 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 IO *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
204
205 /* statistics */
206 int usecount; /* number of switches to this coro */
190 207
191 /* coro process data */ 208 /* coro process data */
192 int prio; 209 int prio;
193 210
194 /* linked list */ 211 /* linked list */
… …
285 SvMAGIC (cv) \ 302 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 303 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 304 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 305 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 0 306 : 0
307
308static struct coro *
309SvSTATE_ (pTHX_ SV *coro)
310{
311 HV *stash;
312 MAGIC *mg;
313
314 if (SvROK (coro))
315 coro = SvRV (coro);
316
317 if (SvTYPE (coro) != SVt_PVHV)
318 croak ("Coro::State object required");
319
320 stash = SvSTASH (coro);
321 if (stash != coro_stash && stash != coro_state_stash)
322 {
323 /* very slow, but rare, check */
324 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
325 croak ("Coro::State object required");
326 }
327
328 mg = CORO_MAGIC (coro);
329 return (struct coro *)mg->mg_ptr;
330}
331
332#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290 333
291/* the next two functions merely cache the padlists */ 334/* the next two functions merely cache the padlists */
292static void 335static void
293get_padlist (pTHX_ CV *cv) 336get_padlist (pTHX_ CV *cv)
294{ 337{
… …
333 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 376 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334} 377}
335 378
336/** load & save, init *******************************************************/ 379/** load & save, init *******************************************************/
337 380
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 381static void
344load_perl (pTHX_ Coro__State c) 382load_perl (pTHX_ Coro__State c)
345{ 383{
346#define VAR(name,type) PL_ ## name = c->name; 384#define VAR(name,type) PL_ ## name = c->name;
347# include "state.h" 385# include "state.h"
348#undef VAR 386#undef VAR
349 387
350 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 388 GvSV (PL_defgv) = c->defsv;
351 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 389 GvAV (PL_defgv) = c->defav;
352 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 390 GvSV (PL_errgv) = c->errsv;
353 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); 391 GvIOp(PL_defoutgv) = c->deffh;
354 392 PL_rs = c->irssv;
355 if (c->irssv) 393 GvSV (irsgv) = c->irssv_sv;
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 }
369 394
370 { 395 {
371 dSP; 396 dSP;
372 CV *cv; 397 CV *cv;
373 398
… …
395 /* 420 /*
396 * the worst thing you can imagine happens first - we have to save 421 * the worst thing you can imagine happens first - we have to save
397 * (and reinitialize) all cv's in the whole callchain :( 422 * (and reinitialize) all cv's in the whole callchain :(
398 */ 423 */
399 424
400 EXTEND (SP, 3 + 1);
401 PUSHs (Nullsv); 425 XPUSHs (Nullsv);
402 /* this loop was inspired by pp_caller */ 426 /* this loop was inspired by pp_caller */
403 for (;;) 427 for (;;)
404 { 428 {
405 while (cxix >= 0) 429 while (cxix >= 0)
406 { 430 {
… …
425 449
426 if (top_si->si_type == PERLSI_MAIN) 450 if (top_si->si_type == PERLSI_MAIN)
427 break; 451 break;
428 452
429 top_si = top_si->si_prev; 453 top_si = top_si->si_prev;
430 ccstk = top_si->si_cxstack; 454 ccstk = top_si->si_cxstack;
431 cxix = top_si->si_cxix; 455 cxix = top_si->si_cxix;
432 } 456 }
433 457
434 PUTBACK; 458 PUTBACK;
435 } 459 }
436 460
437 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 461 c->defav = GvAV (PL_defgv);
438 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 462 c->defsv = DEFSV;
439 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 463 c->errsv = ERRSV;
440 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 464 c->deffh = GvIOp (PL_defoutgv);
441 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; 465 c->irssv = PL_rs;
466 c->irssv_sv = GvSV (irsgv);
442 467
443#define VAR(name,type)c->name = PL_ ## name; 468#define VAR(name,type)c->name = PL_ ## name;
444# include "state.h" 469# include "state.h"
445#undef VAR 470#undef VAR
446} 471}
… …
455# define coro_init_stacks init_stacks 480# define coro_init_stacks init_stacks
456#else 481#else
457static void 482static void
458coro_init_stacks (pTHX) 483coro_init_stacks (pTHX)
459{ 484{
460 PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); 485 PL_curstackinfo = new_stackinfo(64, 6);
461 PL_curstackinfo->si_type = PERLSI_MAIN; 486 PL_curstackinfo->si_type = PERLSI_MAIN;
462 PL_curstack = PL_curstackinfo->si_stack; 487 PL_curstack = PL_curstackinfo->si_stack;
463 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 488 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
464 489
465 PL_stack_base = AvARRAY(PL_curstack); 490 PL_stack_base = AvARRAY(PL_curstack);
466 PL_stack_sp = PL_stack_base; 491 PL_stack_sp = PL_stack_base;
467 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 492 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
468 493
469 New(50,PL_tmps_stack,128,SV*); 494 New(50,PL_tmps_stack,64,SV*);
470 PL_tmps_floor = -1; 495 PL_tmps_floor = -1;
471 PL_tmps_ix = -1; 496 PL_tmps_ix = -1;
472 PL_tmps_max = 128; 497 PL_tmps_max = 64;
473 498
474 New(54,PL_markstack,32,I32); 499 New(54,PL_markstack,16,I32);
475 PL_markstack_ptr = PL_markstack; 500 PL_markstack_ptr = PL_markstack;
476 PL_markstack_max = PL_markstack + 32; 501 PL_markstack_max = PL_markstack + 16;
477 502
478#ifdef SET_MARK_OFFSET 503#ifdef SET_MARK_OFFSET
479 SET_MARK_OFFSET; 504 SET_MARK_OFFSET;
480#endif 505#endif
481 506
482 New(54,PL_scopestack,32,I32); 507 New(54,PL_scopestack,16,I32);
483 PL_scopestack_ix = 0; 508 PL_scopestack_ix = 0;
484 PL_scopestack_max = 32; 509 PL_scopestack_max = 16;
485 510
486 New(54,PL_savestack,64,ANY); 511 New(54,PL_savestack,64,ANY);
487 PL_savestack_ix = 0; 512 PL_savestack_ix = 0;
488 PL_savestack_max = 64; 513 PL_savestack_max = 64;
489 514
490#if !PERL_VERSION_ATLEAST (5,9,0) 515#if !PERL_VERSION_ATLEAST (5,9,0)
491 New(54,PL_retstack,16,OP*); 516 New(54,PL_retstack,4,OP*);
492 PL_retstack_ix = 0; 517 PL_retstack_ix = 0;
493 PL_retstack_max = 16; 518 PL_retstack_max = 4;
494#endif 519#endif
495} 520}
496#endif 521#endif
497 522
498/* 523/*
499 * destroy the stacks, the callchain etc... 524 * destroy the stacks, the callchain etc...
500 */ 525 */
501static void 526static void
502coro_destroy_stacks (pTHX) 527coro_destroy_stacks (pTHX)
503{ 528{
504 if (!IN_DESTRUCT)
505 {
506 /* restore all saved variables and stuff */
507 LEAVE_SCOPE (0);
508 assert (PL_tmps_floor == -1);
509
510 /* free all temporaries */
511 FREETMPS;
512 assert (PL_tmps_ix == -1);
513
514 /* unwind all extra stacks */
515 POPSTACK_TO (PL_mainstack);
516
517 /* unwind main stack */
518 dounwind (-1);
519 }
520
521 while (PL_curstackinfo->si_next) 529 while (PL_curstackinfo->si_next)
522 PL_curstackinfo = PL_curstackinfo->si_next; 530 PL_curstackinfo = PL_curstackinfo->si_next;
523 531
524 while (PL_curstackinfo) 532 while (PL_curstackinfo)
525 { 533 {
… …
541 Safefree (PL_retstack); 549 Safefree (PL_retstack);
542#endif 550#endif
543} 551}
544 552
545static size_t 553static size_t
546coro_rss (struct coro *coro) 554coro_rss (pTHX_ struct coro *coro)
547{ 555{
548 size_t rss = sizeof (coro); 556 size_t rss = sizeof (coro);
549 557
550 if (coro->mainstack) 558 if (coro->mainstack)
551 { 559 {
… …
581 /* 589 /*
582 * emulate part of the perl startup here. 590 * emulate part of the perl startup here.
583 */ 591 */
584 coro_init_stacks (aTHX); 592 coro_init_stacks (aTHX);
585 593
594 PL_runops = RUNOPS_DEFAULT;
586 PL_curcop = &PL_compiling; 595 PL_curcop = &PL_compiling;
587 PL_in_eval = EVAL_NULL; 596 PL_in_eval = EVAL_NULL;
588 PL_comppad = 0; 597 PL_comppad = 0;
589 PL_curpm = 0; 598 PL_curpm = 0;
590 PL_localizing = 0; 599 PL_localizing = 0;
591 PL_dirty = 0; 600 PL_dirty = 0;
592 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) = newSVsv (PL_rs);
607 PL_rs = newSVpvn ("\n", 1);
608
609 {
610 IO *io = newIO ();
611 GvIOp(PL_defoutgv) = io;
612 IoTYPE (io) = IoTYPE_WRONLY;
613 IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
614 IoFLAGS (io) |= IOf_FLUSH;
615 }
593 616
594 { 617 {
595 dSP; 618 dSP;
596 LOGOP myop; 619 LOGOP myop;
597
598 SvREFCNT_dec (GvAV (PL_defgv));
599 GvAV (PL_defgv) = coro->args; coro->args = 0;
600 620
601 Zero (&myop, 1, LOGOP); 621 Zero (&myop, 1, LOGOP);
602 myop.op_next = Nullop; 622 myop.op_next = Nullop;
603 myop.op_flags = OPf_WANT_VOID; 623 myop.op_flags = OPf_WANT_VOID;
604 624
… …
612 632
613 ENTER; /* necessary e.g. for dounwind */ 633 ENTER; /* necessary e.g. for dounwind */
614} 634}
615 635
616static void 636static void
637destroy_coro (pTHX_ struct coro *coro)
638{
639 if (!IN_DESTRUCT)
640 {
641 /* restore all saved variables and stuff */
642 LEAVE_SCOPE (0);
643 assert (PL_tmps_floor == -1);
644
645 /* free all temporaries */
646 FREETMPS;
647 assert (PL_tmps_ix == -1);
648
649 /* unwind all extra stacks */
650 POPSTACK_TO (PL_mainstack);
651
652 /* unwind main stack */
653 dounwind (-1);
654 }
655
656 SvREFCNT_dec (GvSV (PL_defgv));
657 SvREFCNT_dec (GvAV (PL_defgv));
658 SvREFCNT_dec (GvSV (PL_errgv));
659 SvREFCNT_dec (GvIOp(PL_defoutgv));
660 SvREFCNT_dec (PL_rs);
661 SvREFCNT_dec (GvSV (irsgv));
662
663 coro_destroy_stacks (aTHX);
664}
665
666static void
617free_coro_mortal (pTHX) 667free_coro_mortal (pTHX)
618{ 668{
619 if (coro_mortal) 669 if (coro_mortal)
620 { 670 {
621 SvREFCNT_dec (coro_mortal); 671 SvREFCNT_dec (coro_mortal);
622 coro_mortal = 0; 672 coro_mortal = 0;
623 } 673 }
674}
675
676static int
677runops_trace (pTHX)
678{
679 COP *oldcop = 0;
680 int oldcxix = -2;
681 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
682 coro_cctx *cctx = coro->cctx;
683
684 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
685 {
686 PERL_ASYNC_CHECK ();
687
688 if (cctx->flags & CC_TRACE_ALL)
689 {
690 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
691 {
692 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
693 SV **bot, **top;
694 AV *av = newAV (); /* return values */
695 SV **cb;
696 dSP;
697
698 GV *gv = CvGV (cx->blk_sub.cv);
699 SV *fullname = sv_2mortal (newSV (0));
700 if (isGV (gv))
701 gv_efullname3 (fullname, gv, 0);
702
703 bot = PL_stack_base + cx->blk_oldsp + 1;
704 top = cx->blk_gimme == G_ARRAY ? SP + 1
705 : cx->blk_gimme == G_SCALAR ? bot + 1
706 : bot;
707
708 while (bot < top)
709 av_push (av, SvREFCNT_inc (*bot++));
710
711 PL_runops = RUNOPS_DEFAULT;
712 ENTER;
713 SAVETMPS;
714 EXTEND (SP, 3);
715 PUSHMARK (SP);
716 PUSHs (&PL_sv_no);
717 PUSHs (fullname);
718 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
719 PUTBACK;
720 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
721 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
722 SPAGAIN;
723 FREETMPS;
724 LEAVE;
725 PL_runops = runops_trace;
726 }
727
728 if (oldcop != PL_curcop)
729 {
730 oldcop = PL_curcop;
731
732 if (PL_curcop != &PL_compiling)
733 {
734 SV **cb;
735
736 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
737 {
738 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
739
740 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
741 {
742 runops_proc_t old_runops = PL_runops;
743 dSP;
744 GV *gv = CvGV (cx->blk_sub.cv);
745 SV *fullname = sv_2mortal (newSV (0));
746
747 if (isGV (gv))
748 gv_efullname3 (fullname, gv, 0);
749
750 PL_runops = RUNOPS_DEFAULT;
751 ENTER;
752 SAVETMPS;
753 EXTEND (SP, 3);
754 PUSHMARK (SP);
755 PUSHs (&PL_sv_yes);
756 PUSHs (fullname);
757 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
758 PUTBACK;
759 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
760 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
761 SPAGAIN;
762 FREETMPS;
763 LEAVE;
764 PL_runops = runops_trace;
765 }
766
767 oldcxix = cxstack_ix;
768 }
769
770 if (cctx->flags & CC_TRACE_LINE)
771 {
772 dSP;
773
774 PL_runops = RUNOPS_DEFAULT;
775 ENTER;
776 SAVETMPS;
777 EXTEND (SP, 3);
778 PL_runops = RUNOPS_DEFAULT;
779 PUSHMARK (SP);
780 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
781 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
782 PUTBACK;
783 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
784 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
785 SPAGAIN;
786 FREETMPS;
787 LEAVE;
788 PL_runops = runops_trace;
789 }
790 }
791 }
792 }
793 }
794
795 TAINT_NOT;
796 return 0;
624} 797}
625 798
626/* inject a fake call to Coro::State::_cctx_init into the execution */ 799/* inject a fake call to Coro::State::_cctx_init into the execution */
627/* _cctx_init should be careful, as it could be called at almost any time */ 800/* _cctx_init should be careful, as it could be called at almost any time */
628/* during execution of a perl program */ 801/* during execution of a perl program */
629static void NOINLINE 802static void NOINLINE
630prepare_cctx (pTHX_ coro_cctx *cctx) 803prepare_cctx (pTHX_ coro_cctx *cctx)
631{ 804{
632 dSP; 805 dSP;
633 LOGOP myop; 806 LOGOP myop;
807
808 PL_top_env = &PL_start_env;
809
810 if (cctx->flags & CC_TRACE)
811 PL_runops = runops_trace;
634 812
635 Zero (&myop, 1, LOGOP); 813 Zero (&myop, 1, LOGOP);
636 myop.op_next = PL_op; 814 myop.op_next = PL_op;
637 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 815 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
638 816
… …
655 dTHX; 833 dTHX;
656 834
657 /* coro_run is the alternative tail of transfer(), so unlock here. */ 835 /* coro_run is the alternative tail of transfer(), so unlock here. */
658 UNLOCK; 836 UNLOCK;
659 837
660 PL_top_env = &PL_start_env; 838 /* we now skip the entersub that lead to transfer() */
839 PL_op = PL_op->op_next;
661 840
662 /* inject a fake subroutine call to cctx_init */ 841 /* inject a fake subroutine call to cctx_init */
663 prepare_cctx (aTHX_ (coro_cctx *)arg); 842 prepare_cctx (aTHX_ (coro_cctx *)arg);
664 843
665 /* somebody or something will hit me for both perl_run and PL_restartop */ 844 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
699# if CORO_STACKGUARD 878# if CORO_STACKGUARD
700 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 879 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
701# endif 880# endif
702 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 881 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
703 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 882 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
704 cctx->mapped = 1; 883 cctx->flags |= CC_MAPPED;
705 } 884 }
706 else 885 else
707#endif 886#endif
708 { 887 {
709 cctx->ssize = coro_stacksize * (long)sizeof (long); 888 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
736#if CORO_USE_VALGRIND 915#if CORO_USE_VALGRIND
737 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 916 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
738#endif 917#endif
739 918
740#if HAVE_MMAP 919#if HAVE_MMAP
741 if (cctx->mapped) 920 if (cctx->flags & CC_MAPPED)
742 munmap (cctx->sptr, cctx->ssize); 921 munmap (cctx->sptr, cctx->ssize);
743 else 922 else
744#endif 923#endif
745 Safefree (cctx->sptr); 924 Safefree (cctx->sptr);
746 925
… …
754 { 933 {
755 coro_cctx *cctx = cctx_first; 934 coro_cctx *cctx = cctx_first;
756 cctx_first = cctx->next; 935 cctx_first = cctx->next;
757 --cctx_idle; 936 --cctx_idle;
758 937
759 if (cctx->ssize >= coro_stacksize) 938 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
760 return cctx; 939 return cctx;
761 940
762 cctx_destroy (cctx); 941 cctx_destroy (cctx);
763 } 942 }
764 943
765 PL_op = PL_op->op_next;
766 return cctx_new (); 944 return cctx_new ();
767} 945}
768 946
769static void 947static void
770cctx_put (coro_cctx *cctx) 948cctx_put (coro_cctx *cctx)
… …
774 { 952 {
775 coro_cctx *first = cctx_first; 953 coro_cctx *first = cctx_first;
776 cctx_first = first->next; 954 cctx_first = first->next;
777 --cctx_idle; 955 --cctx_idle;
778 956
779 assert (!first->inuse);
780 cctx_destroy (first); 957 cctx_destroy (first);
781 } 958 }
782 959
783 ++cctx_idle; 960 ++cctx_idle;
784 cctx->next = cctx_first; 961 cctx->next = cctx_first;
785 cctx_first = cctx; 962 cctx_first = cctx;
786} 963}
787 964
788/** coroutine switching *****************************************************/ 965/** coroutine switching *****************************************************/
789 966
790/* never call directly, always through the coro_state_transfer global variable */ 967static void NOINLINE
968transfer_check (pTHX_ struct coro *prev, struct coro *next)
969{
970 if (prev != next)
971 {
972 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
973 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
974
975 if (next->flags & CF_RUNNING)
976 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
977
978 if (next->flags & CF_DESTROYED)
979 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
980
981 if (PL_lex_state != LEX_NOTPARSING)
982 croak ("Coro::State::transfer called while parsing, but this is not supported");
983 }
984}
985
986/* always use the TRANSFER macro */
791static void NOINLINE 987static void NOINLINE
792transfer (pTHX_ struct coro *prev, struct coro *next) 988transfer (pTHX_ struct coro *prev, struct coro *next)
793{ 989{
794 dSTACKLEVEL; 990 dSTACKLEVEL;
795 991
… …
805 1001
806 if (prev->flags & CF_NEW) 1002 if (prev->flags & CF_NEW)
807 { 1003 {
808 /* create a new empty context */ 1004 /* create a new empty context */
809 Newz (0, prev->cctx, 1, coro_cctx); 1005 Newz (0, prev->cctx, 1, coro_cctx);
810 prev->cctx->inuse = 1;
811 prev->flags &= ~CF_NEW; 1006 prev->flags &= ~CF_NEW;
812 prev->flags |= CF_RUNNING; 1007 prev->flags |= CF_RUNNING;
813 } 1008 }
814
815 /*TODO: must not croak here */
816 if (!prev->flags & CF_RUNNING)
817 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
818
819 if (next->flags & CF_RUNNING)
820 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
821
822 if (next->flags & CF_DESTROYED)
823 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
824 1009
825 prev->flags &= ~CF_RUNNING; 1010 prev->flags &= ~CF_RUNNING;
826 next->flags |= CF_RUNNING; 1011 next->flags |= CF_RUNNING;
827 1012
828 LOCK; 1013 LOCK;
… …
833 next->flags &= ~CF_NEW; 1018 next->flags &= ~CF_NEW;
834 /* first get rid of the old state */ 1019 /* first get rid of the old state */
835 save_perl (aTHX_ prev); 1020 save_perl (aTHX_ prev);
836 /* setup coroutine call */ 1021 /* setup coroutine call */
837 setup_coro (aTHX_ next); 1022 setup_coro (aTHX_ next);
838 /* need a new stack */
839 assert (!next->cctx);
840 } 1023 }
841 else 1024 else
842 { 1025 {
843 /* coroutine already started */ 1026 /* coroutine already started */
844 save_perl (aTHX_ prev); 1027 save_perl (aTHX_ prev);
… …
846 } 1029 }
847 1030
848 prev__cctx = prev->cctx; 1031 prev__cctx = prev->cctx;
849 1032
850 /* possibly "free" the cctx */ 1033 /* possibly "free" the cctx */
851 if (prev__cctx->idle_sp == STACKLEVEL) 1034 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
852 { 1035 {
853 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1036 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
854 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1037 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
855 1038
856 prev->cctx = 0; 1039 prev->cctx = 0;
857 1040
858 cctx_put (prev__cctx); 1041 cctx_put (prev__cctx);
859 prev__cctx->inuse = 0;
860 } 1042 }
861 1043
1044 ++next->usecount;
1045
862 if (!next->cctx) 1046 if (!next->cctx)
863 {
864 next->cctx = cctx_get (aTHX); 1047 next->cctx = cctx_get (aTHX);
865 assert (!next->cctx->inuse);
866 next->cctx->inuse = 1;
867 }
868 1048
869 if (prev__cctx != next->cctx) 1049 if (prev__cctx != next->cctx)
870 { 1050 {
871 prev__cctx->top_env = PL_top_env; 1051 prev__cctx->top_env = PL_top_env;
872 PL_top_env = next->cctx->top_env; 1052 PL_top_env = next->cctx->top_env;
… …
882{ 1062{
883 struct coro *prev, *next; 1063 struct coro *prev, *next;
884}; 1064};
885 1065
886#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1066#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1067#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
887 1068
888/** high level stuff ********************************************************/ 1069/** high level stuff ********************************************************/
889 1070
890static int 1071static int
891coro_state_destroy (pTHX_ struct coro *coro) 1072coro_state_destroy (pTHX_ struct coro *coro)
… …
908 1089
909 if (coro->mainstack && coro->mainstack != main_mainstack) 1090 if (coro->mainstack && coro->mainstack != main_mainstack)
910 { 1091 {
911 struct coro temp; 1092 struct coro temp;
912 1093
913 assert (!(coro->flags & CF_RUNNING));
914
915 Zero (&temp, 1, struct coro);
916 temp.save = CORO_SAVE_ALL;
917
918 if (coro->flags & CF_RUNNING) 1094 if (coro->flags & CF_RUNNING)
919 croak ("FATAL: tried to destroy currently running coroutine"); 1095 croak ("FATAL: tried to destroy currently running coroutine");
920 1096
921 save_perl (aTHX_ &temp); 1097 save_perl (aTHX_ &temp);
922 load_perl (aTHX_ coro); 1098 load_perl (aTHX_ coro);
923 1099
924 coro_destroy_stacks (aTHX); 1100 destroy_coro (aTHX_ coro);
925 1101
926 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1102 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
927 1103
928 coro->mainstack = 0; 1104 coro->mainstack = 0;
929 } 1105 }
… …
974#else 1150#else
975# define MGf_DUP 0 1151# define MGf_DUP 0
976#endif 1152#endif
977}; 1153};
978 1154
979static struct coro *
980SvSTATE_ (pTHX_ SV *coro)
981{
982 HV *stash;
983 MAGIC *mg;
984
985 if (SvROK (coro))
986 coro = SvRV (coro);
987
988 stash = SvSTASH (coro);
989 if (stash != coro_stash && stash != coro_state_stash)
990 {
991 /* very slow, but rare, check */
992 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
993 croak ("Coro::State object required");
994 }
995
996 mg = CORO_MAGIC (coro);
997 return (struct coro *)mg->mg_ptr;
998}
999
1000#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1001
1002static void 1155static void
1003prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1156prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1004{ 1157{
1005 ta->prev = SvSTATE (prev_sv); 1158 ta->prev = SvSTATE (prev_sv);
1006 ta->next = SvSTATE (next_sv); 1159 ta->next = SvSTATE (next_sv);
1160 TRANSFER_CHECK (*ta);
1007} 1161}
1008 1162
1009static void 1163static void
1010api_transfer (SV *prev_sv, SV *next_sv) 1164api_transfer (SV *prev_sv, SV *next_sv)
1011{ 1165{
1012 dTHX; 1166 dTHX;
1013 struct transfer_args ta; 1167 struct transfer_args ta;
1014 1168
1015 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1169 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1016 TRANSFER (ta); 1170 TRANSFER (ta);
1017}
1018
1019static int
1020api_save (SV *coro_sv, int new_save)
1021{
1022 dTHX;
1023 struct coro *coro = SvSTATE (coro_sv);
1024 int old_save = coro->save;
1025
1026 if (new_save >= 0)
1027 coro->save = new_save;
1028
1029 return old_save;
1030} 1171}
1031 1172
1032/** Coro ********************************************************************/ 1173/** Coro ********************************************************************/
1033 1174
1034static void 1175static void
… …
1128 break; 1269 break;
1129 } 1270 }
1130 1271
1131 /* free this only after the transfer */ 1272 /* free this only after the transfer */
1132 prev_sv = SvRV (coro_current); 1273 prev_sv = SvRV (coro_current);
1133 SvRV_set (coro_current, next_sv);
1134 ta->prev = SvSTATE (prev_sv); 1274 ta->prev = SvSTATE (prev_sv);
1135 1275 TRANSFER_CHECK (*ta);
1136 assert (ta->next->flags & CF_READY); 1276 assert (ta->next->flags & CF_READY);
1137 ta->next->flags &= ~CF_READY; 1277 ta->next->flags &= ~CF_READY;
1278 SvRV_set (coro_current, next_sv);
1138 1279
1139 LOCK; 1280 LOCK;
1140 free_coro_mortal (aTHX); 1281 free_coro_mortal (aTHX);
1141 coro_mortal = prev_sv; 1282 coro_mortal = prev_sv;
1142 UNLOCK; 1283 UNLOCK;
… …
1203 } 1344 }
1204 else 1345 else
1205 return 0; 1346 return 0;
1206} 1347}
1207 1348
1349static void
1350api_trace (SV *coro_sv, int flags)
1351{
1352 dTHX;
1353 struct coro *coro = SvSTATE (coro_sv);
1354
1355 if (flags & CC_TRACE)
1356 {
1357 if (!coro->cctx)
1358 coro->cctx = cctx_new ();
1359 else if (!(coro->cctx->flags & CC_TRACE))
1360 croak ("cannot enable tracing on coroutine with custom stack");
1361
1362 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1363 }
1364 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1365 {
1366 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1367
1368 if (coro->flags & CF_RUNNING)
1369 PL_runops = RUNOPS_DEFAULT;
1370 else
1371 coro->runops = RUNOPS_DEFAULT;
1372 }
1373}
1374
1208MODULE = Coro::State PACKAGE = Coro::State 1375MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1209 1376
1210PROTOTYPES: DISABLE 1377PROTOTYPES: DISABLE
1211 1378
1212BOOT: 1379BOOT:
1213{ 1380{
1214#ifdef USE_ITHREADS 1381#ifdef USE_ITHREADS
1215 MUTEX_INIT (&coro_mutex); 1382 MUTEX_INIT (&coro_mutex);
1216#endif 1383#endif
1217 BOOT_PAGESIZE; 1384 BOOT_PAGESIZE;
1218 1385
1386 irsgv = gv_fetchpv ("/", 1, SVt_PV);
1387
1219 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1388 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1220 1389
1221 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1390 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1222 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1391 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1223 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1224 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1226 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1392 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1227 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1393 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1228 1394
1229 main_mainstack = PL_mainstack; 1395 main_mainstack = PL_mainstack;
1230 main_top_env = PL_top_env; 1396 main_top_env = PL_top_env;
1231 1397
1232 while (main_top_env->je_prev) 1398 while (main_top_env->je_prev)
… …
1245 struct coro *coro; 1411 struct coro *coro;
1246 HV *hv; 1412 HV *hv;
1247 int i; 1413 int i;
1248 1414
1249 Newz (0, coro, 1, struct coro); 1415 Newz (0, coro, 1, struct coro);
1250 coro->args = newAV (); 1416 coro->args = newAV ();
1251 coro->save = CORO_SAVE_DEF;
1252 coro->flags = CF_NEW; 1417 coro->flags = CF_NEW;
1253 1418
1254 if (coro_first) coro_first->prev = coro; 1419 if (coro_first) coro_first->prev = coro;
1255 coro->next = coro_first; 1420 coro->next = coro_first;
1256 coro_first = coro; 1421 coro_first = coro;
… …
1263 av_push (coro->args, newSVsv (ST (i))); 1428 av_push (coro->args, newSVsv (ST (i)));
1264} 1429}
1265 OUTPUT: 1430 OUTPUT:
1266 RETVAL 1431 RETVAL
1267 1432
1268int 1433# these not obviously related functions are all rolled into the same xs
1269save (SV *coro, int new_save = -1) 1434# function to increase chances that they all will call transfer with the same
1270 CODE: 1435# stack offset
1271 RETVAL = api_save (coro, new_save);
1272 OUTPUT:
1273 RETVAL
1274
1275int
1276save_also (SV *coro_sv, int save_also)
1277 CODE:
1278{
1279 struct coro *coro = SvSTATE (coro_sv);
1280 RETVAL = coro->save;
1281 coro->save |= save_also;
1282}
1283 OUTPUT:
1284 RETVAL
1285
1286void 1436void
1287_set_stacklevel (...) 1437_set_stacklevel (...)
1288 ALIAS: 1438 ALIAS:
1289 Coro::State::transfer = 1 1439 Coro::State::transfer = 1
1290 Coro::schedule = 2 1440 Coro::schedule = 2
… …
1376 if (coro->hv) 1526 if (coro->hv)
1377 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1527 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378} 1528}
1379 1529
1380void 1530void
1381_eval (Coro::State coro, SV *coderef) 1531call (Coro::State coro, SV *coderef)
1532 ALIAS:
1533 eval = 1
1382 CODE: 1534 CODE:
1383{ 1535{
1384 if (coro->mainstack) 1536 if (coro->mainstack)
1385 { 1537 {
1386 struct coro temp; 1538 struct coro temp;
1387 Zero (&temp, 1, struct coro); 1539 Zero (&temp, 1, struct coro);
1388 temp.save = CORO_SAVE_ALL;
1389 1540
1390 if (!(coro->flags & CF_RUNNING)) 1541 if (!(coro->flags & CF_RUNNING))
1391 { 1542 {
1392 save_perl (aTHX_ &temp); 1543 save_perl (aTHX_ &temp);
1393 load_perl (aTHX_ coro); 1544 load_perl (aTHX_ coro);
… …
1397 dSP; 1548 dSP;
1398 ENTER; 1549 ENTER;
1399 SAVETMPS; 1550 SAVETMPS;
1400 PUSHMARK (SP); 1551 PUSHMARK (SP);
1401 PUTBACK; 1552 PUTBACK;
1553 if (ix)
1554 eval_sv (coderef, 0);
1555 else
1402 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1556 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1403 SPAGAIN; 1557 SPAGAIN;
1404 FREETMPS; 1558 FREETMPS;
1405 LEAVE; 1559 LEAVE;
1406 PUTBACK; 1560 PUTBACK;
1407 } 1561 }
… …
1411 save_perl (aTHX_ coro); 1565 save_perl (aTHX_ coro);
1412 load_perl (aTHX_ &temp); 1566 load_perl (aTHX_ &temp);
1413 } 1567 }
1414 } 1568 }
1415} 1569}
1416 1570
1417SV * 1571SV *
1418is_ready (Coro::State coro) 1572is_ready (Coro::State coro)
1419 PROTOTYPE: $ 1573 PROTOTYPE: $
1420 ALIAS: 1574 ALIAS:
1421 is_ready = CF_READY 1575 is_ready = CF_READY
… …
1425 CODE: 1579 CODE:
1426 RETVAL = boolSV (coro->flags & ix); 1580 RETVAL = boolSV (coro->flags & ix);
1427 OUTPUT: 1581 OUTPUT:
1428 RETVAL 1582 RETVAL
1429 1583
1584void
1585api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1586
1587SV *
1588has_stack (Coro::State coro)
1589 PROTOTYPE: $
1590 CODE:
1591 RETVAL = boolSV (!!coro->cctx);
1592 OUTPUT:
1593 RETVAL
1594
1595int
1596is_traced (Coro::State coro)
1597 PROTOTYPE: $
1598 CODE:
1599 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1600 OUTPUT:
1601 RETVAL
1602
1430IV 1603IV
1431rss (Coro::State coro) 1604rss (Coro::State coro)
1432 PROTOTYPE: $ 1605 PROTOTYPE: $
1606 ALIAS:
1607 usecount = 1
1433 CODE: 1608 CODE:
1434 RETVAL = coro_rss (coro); 1609 switch (ix)
1610 {
1611 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1612 case 1: RETVAL = coro->usecount; break;
1613 }
1435 OUTPUT: 1614 OUTPUT:
1436 RETVAL 1615 RETVAL
1437 1616
1438 1617
1439MODULE = Coro::State PACKAGE = Coro 1618MODULE = Coro::State PACKAGE = Coro
1440 1619
1441BOOT: 1620BOOT:
1442{ 1621{
1443 int i; 1622 int i;
1623
1624 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1625 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1626 av_async_pool = get_av ("Coro::async_pool", TRUE);
1627
1628 coro_current = get_sv ("Coro::current", FALSE);
1629 SvREADONLY_on (coro_current);
1444 1630
1445 coro_stash = gv_stashpv ("Coro", TRUE); 1631 coro_stash = gv_stashpv ("Coro", TRUE);
1446 1632
1447 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1633 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1448 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1634 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1449 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1635 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1450 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1636 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1451 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1637 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1452 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1638 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1453 1639
1454 coro_current = get_sv ("Coro::current", FALSE);
1455 SvREADONLY_on (coro_current);
1456
1457 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1640 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1458 coro_ready[i] = newAV (); 1641 coro_ready[i] = newAV ();
1459 1642
1460 { 1643 {
1461 SV *sv = perl_get_sv("Coro::API", 1); 1644 SV *sv = perl_get_sv("Coro::API", 1);
1462 1645
1463 coroapi.schedule = api_schedule; 1646 coroapi.schedule = api_schedule;
1464 coroapi.save = api_save;
1465 coroapi.cede = api_cede; 1647 coroapi.cede = api_cede;
1466 coroapi.cede_notself = api_cede_notself; 1648 coroapi.cede_notself = api_cede_notself;
1467 coroapi.ready = api_ready; 1649 coroapi.ready = api_ready;
1468 coroapi.is_ready = api_is_ready; 1650 coroapi.is_ready = api_is_ready;
1469 coroapi.nready = &coro_nready; 1651 coroapi.nready = &coro_nready;
… …
1518 CODE: 1700 CODE:
1519 RETVAL = coro_nready; 1701 RETVAL = coro_nready;
1520 OUTPUT: 1702 OUTPUT:
1521 RETVAL 1703 RETVAL
1522 1704
1705# for async_pool speedup
1706void
1707_pool_1 (SV *cb)
1708 CODE:
1709{
1710 int i, len;
1711 HV *hv = (HV *)SvRV (coro_current);
1712 AV *defav = GvAV (PL_defgv);
1713 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1714 AV *invoke_av;
1715
1716 if (!invoke)
1717 croak ("\3terminate\2\n");
1718
1719 hv_store (hv, "desc", sizeof ("desc") - 1,
1720 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1721
1722 invoke_av = (AV *)SvRV (invoke);
1723 len = av_len (invoke_av);
1724
1725 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1726
1727 if (len > 0)
1728 {
1729 av_fill (defav, len - 1);
1730 for (i = 0; i < len; ++i)
1731 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1732 }
1733
1734 SvREFCNT_dec (invoke);
1735}
1736
1737void
1738_pool_2 (SV *cb)
1739 CODE:
1740{
1741 struct coro *coro = SvSTATE (coro_current);
1742
1743 sv_setsv (cb, &PL_sv_undef);
1744
1745 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1746 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1747 croak ("\3terminate\2\n");
1748
1749 av_clear (GvAV (PL_defgv));
1750 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1751 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1752
1753 coro->prio = 0;
1754
1755 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1756 api_trace (coro_current, 0);
1757
1758 av_push (av_async_pool, newSVsv (coro_current));
1759}
1760
1761
1523MODULE = Coro::State PACKAGE = Coro::AIO 1762MODULE = Coro::State PACKAGE = Coro::AIO
1524 1763
1525SV * 1764SV *
1526_get_state () 1765_get_state ()
1527 CODE: 1766 CODE:

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