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Comparing Coro/Coro/State.xs (file contents):
Revision 1.155 by root, Fri Sep 21 01:09:36 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC

… …
75/* 5.8.7 */ 75/* 5.8.7 */
76#ifndef SvRV_set 76#ifndef SvRV_set
77# define SvRV_set(s,v) SvRV(s) = (v) 77# define SvRV_set(s,v) SvRV(s) = (v)
78#endif 78#endif
79 79
80/* 5.8.8 */
81#ifndef GV_NOTQUAL
82# define GV_NOTQUAL 0
83#endif
84#ifndef newSV
85# define newSV(l) NEWSV(0,l)
86#endif
87
80#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 88#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81# undef CORO_STACKGUARD 89# undef CORO_STACKGUARD
82#endif 90#endif
83 91
84#ifndef CORO_STACKGUARD 92#ifndef CORO_STACKGUARD
… …
88/* prefer perl internal functions over our own? */ 96/* prefer perl internal functions over our own? */
89#ifndef CORO_PREFER_PERL_FUNCTIONS 97#ifndef CORO_PREFER_PERL_FUNCTIONS
90# define CORO_PREFER_PERL_FUNCTIONS 0 98# define CORO_PREFER_PERL_FUNCTIONS 0
91#endif 99#endif
92 100
93/* The next macro should declare a variable stacklevel that contains and approximation 101/* 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 102 * portable way as possible. */
95 * and should be unique. */
96#define dSTACKLEVEL int stacklevel 103#define dSTACKLEVEL volatile char stacklevel
97#define STACKLEVEL ((void *)&stacklevel) 104#define STACKLEVEL ((void *)&stacklevel)
98 105
99#define IN_DESTRUCT (PL_main_cv == Nullcv) 106#define IN_DESTRUCT (PL_main_cv == Nullcv)
100 107
101#if __GNUC__ >= 3 108#if __GNUC__ >= 3
… …
133static AV *main_mainstack; /* used to differentiate between $main and others */ 140static AV *main_mainstack; /* used to differentiate between $main and others */
134static JMPENV *main_top_env; 141static JMPENV *main_top_env;
135static HV *coro_state_stash, *coro_stash; 142static HV *coro_state_stash, *coro_stash;
136static SV *coro_mortal; /* will be freed after next transfer */ 143static SV *coro_mortal; /* will be freed after next transfer */
137 144
145static GV *irsgv; /* $/ */
146static GV *stdoutgv; /* *STDOUT */
147
148/* async_pool helper stuff */
149static SV *sv_pool_rss;
150static SV *sv_pool_size;
151static AV *av_async_pool;
152
138static struct coro_cctx *cctx_first; 153static struct coro_cctx *cctx_first;
139static int cctx_count, cctx_idle; 154static int cctx_count, cctx_idle;
155
156enum {
157 CC_MAPPED = 0x01,
158 CC_NOREUSE = 0x02, /* throw this away after tracing */
159 CC_TRACE = 0x04,
160 CC_TRACE_SUB = 0x08, /* trace sub calls */
161 CC_TRACE_LINE = 0x10, /* trace each statement */
162 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
163};
140 164
141/* this is a structure representing a c-level coroutine */ 165/* this is a structure representing a c-level coroutine */
142typedef struct coro_cctx { 166typedef struct coro_cctx {
143 struct coro_cctx *next; 167 struct coro_cctx *next;
144 168
… …
153 coro_context cctx; 177 coro_context cctx;
154 178
155#if CORO_USE_VALGRIND 179#if CORO_USE_VALGRIND
156 int valgrind_id; 180 int valgrind_id;
157#endif 181#endif
158 char inuse, mapped; 182 unsigned char flags;
159} coro_cctx; 183} coro_cctx;
160 184
161enum { 185enum {
162 CF_RUNNING = 0x0001, /* coroutine is running */ 186 CF_RUNNING = 0x0001, /* coroutine is running */
163 CF_READY = 0x0002, /* coroutine is ready */ 187 CF_READY = 0x0002, /* coroutine is ready */
… …
171 coro_cctx *cctx; 195 coro_cctx *cctx;
172 196
173 /* data associated with this coroutine (initial args) */ 197 /* data associated with this coroutine (initial args) */
174 AV *args; 198 AV *args;
175 int refcnt; 199 int refcnt;
176 int save; /* CORO_SAVE flags */
177 int flags; /* CF_ flags */ 200 int flags; /* CF_ flags */
178 201
179 /* optionally saved, might be zero */ 202 /* optionally saved, might be zero */
180 AV *defav; /* @_ */ 203 AV *defav; /* @_ */
181 SV *defsv; /* $_ */ 204 SV *defsv; /* $_ */
182 SV *errsv; /* $@ */ 205 SV *errsv; /* $@ */
183 GV *deffh; /* default filehandle */ 206 SV *deffh; /* default filehandle */
184 SV *irssv; /* $/ */ 207 SV *irssv; /* $/ */
185 SV *irssv_sv; /* real $/ cache */ 208 SV *irssv_sv; /* real $/ cache */
186 209
187#define VAR(name,type) type name; 210#define VAR(name,type) type name;
188# include "state.h" 211# include "state.h"
189#undef VAR 212#undef VAR
190 213
214 /* statistics */
215 int usecount; /* number of transfers to this coro */
216
191 /* coro process data */ 217 /* coro process data */
192 int prio; 218 int prio;
219 //SV *throw;
220
221 /* async_pool */
222 SV *saved_deffh;
193 223
194 /* linked list */ 224 /* linked list */
195 struct coro *next, *prev; 225 struct coro *next, *prev;
196 HV *hv; /* the perl hash associated with this coro, if any */ 226 HV *hv; /* the perl hash associated with this coro, if any */
197}; 227};
… …
285 SvMAGIC (cv) \ 315 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 316 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 317 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 318 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 0 319 : 0
320
321static struct coro *
322SvSTATE_ (pTHX_ SV *coro)
323{
324 HV *stash;
325 MAGIC *mg;
326
327 if (SvROK (coro))
328 coro = SvRV (coro);
329
330 if (SvTYPE (coro) != SVt_PVHV)
331 croak ("Coro::State object required");
332
333 stash = SvSTASH (coro);
334 if (stash != coro_stash && stash != coro_state_stash)
335 {
336 /* very slow, but rare, check */
337 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
338 croak ("Coro::State object required");
339 }
340
341 mg = CORO_MAGIC (coro);
342 return (struct coro *)mg->mg_ptr;
343}
344
345#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290 346
291/* the next two functions merely cache the padlists */ 347/* the next two functions merely cache the padlists */
292static void 348static void
293get_padlist (pTHX_ CV *cv) 349get_padlist (pTHX_ CV *cv)
294{ 350{
… …
333 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 389 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334} 390}
335 391
336/** load & save, init *******************************************************/ 392/** load & save, init *******************************************************/
337 393
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 394static void
344load_perl (pTHX_ Coro__State c) 395load_perl (pTHX_ Coro__State c)
345{ 396{
346#define VAR(name,type) PL_ ## name = c->name; 397#define VAR(name,type) PL_ ## name = c->name;
347# include "state.h" 398# include "state.h"
348#undef VAR 399#undef VAR
349 400
350 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 401 GvSV (PL_defgv) = c->defsv;
351 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 402 GvAV (PL_defgv) = c->defav;
352 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 403 GvSV (PL_errgv) = c->errsv;
353 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); 404 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 }
369 405
370 { 406 {
371 dSP; 407 dSP;
372 CV *cv; 408 CV *cv;
373 409
… …
395 /* 431 /*
396 * the worst thing you can imagine happens first - we have to save 432 * the worst thing you can imagine happens first - we have to save
397 * (and reinitialize) all cv's in the whole callchain :( 433 * (and reinitialize) all cv's in the whole callchain :(
398 */ 434 */
399 435
400 EXTEND (SP, 3 + 1);
401 PUSHs (Nullsv); 436 XPUSHs (Nullsv);
402 /* this loop was inspired by pp_caller */ 437 /* this loop was inspired by pp_caller */
403 for (;;) 438 for (;;)
404 { 439 {
405 while (cxix >= 0) 440 while (cxix >= 0)
406 { 441 {
… …
425 460
426 if (top_si->si_type == PERLSI_MAIN) 461 if (top_si->si_type == PERLSI_MAIN)
427 break; 462 break;
428 463
429 top_si = top_si->si_prev; 464 top_si = top_si->si_prev;
430 ccstk = top_si->si_cxstack; 465 ccstk = top_si->si_cxstack;
431 cxix = top_si->si_cxix; 466 cxix = top_si->si_cxix;
432 } 467 }
433 468
434 PUTBACK; 469 PUTBACK;
435 } 470 }
436 471
437 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 472 c->defav = GvAV (PL_defgv);
438 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 473 c->defsv = DEFSV;
439 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 474 c->errsv = ERRSV;
440 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 475 c->irssv_sv = GvSV (irsgv);
441 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
442 476
443#define VAR(name,type)c->name = PL_ ## name; 477#define VAR(name,type)c->name = PL_ ## name;
444# include "state.h" 478# include "state.h"
445#undef VAR 479#undef VAR
446} 480}
… …
455# define coro_init_stacks init_stacks 489# define coro_init_stacks init_stacks
456#else 490#else
457static void 491static void
458coro_init_stacks (pTHX) 492coro_init_stacks (pTHX)
459{ 493{
460 PL_curstackinfo = new_stackinfo(64, 4); 494 PL_curstackinfo = new_stackinfo(64, 6);
461 PL_curstackinfo->si_type = PERLSI_MAIN; 495 PL_curstackinfo->si_type = PERLSI_MAIN;
462 PL_curstack = PL_curstackinfo->si_stack; 496 PL_curstack = PL_curstackinfo->si_stack;
463 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 497 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
464 498
465 PL_stack_base = AvARRAY(PL_curstack); 499 PL_stack_base = AvARRAY(PL_curstack);
… …
486 New(54,PL_savestack,64,ANY); 520 New(54,PL_savestack,64,ANY);
487 PL_savestack_ix = 0; 521 PL_savestack_ix = 0;
488 PL_savestack_max = 64; 522 PL_savestack_max = 64;
489 523
490#if !PERL_VERSION_ATLEAST (5,9,0) 524#if !PERL_VERSION_ATLEAST (5,9,0)
491 New(54,PL_retstack,8,OP*); 525 New(54,PL_retstack,4,OP*);
492 PL_retstack_ix = 0; 526 PL_retstack_ix = 0;
493 PL_retstack_max = 8; 527 PL_retstack_max = 4;
494#endif 528#endif
495} 529}
496#endif 530#endif
497 531
498/* 532/*
499 * destroy the stacks, the callchain etc... 533 * destroy the stacks, the callchain etc...
500 */ 534 */
501static void 535static void
502coro_destroy_stacks (pTHX) 536coro_destroy_stacks (pTHX)
503{ 537{
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) 538 while (PL_curstackinfo->si_next)
522 PL_curstackinfo = PL_curstackinfo->si_next; 539 PL_curstackinfo = PL_curstackinfo->si_next;
523 540
524 while (PL_curstackinfo) 541 while (PL_curstackinfo)
525 { 542 {
… …
541 Safefree (PL_retstack); 558 Safefree (PL_retstack);
542#endif 559#endif
543} 560}
544 561
545static size_t 562static size_t
546coro_rss (struct coro *coro) 563coro_rss (pTHX_ struct coro *coro)
547{ 564{
548 size_t rss = sizeof (coro); 565 size_t rss = sizeof (*coro);
549 566
550 if (coro->mainstack) 567 if (coro->mainstack)
551 { 568 {
552 if (coro->flags & CF_RUNNING) 569 if (coro->flags & CF_RUNNING)
553 { 570 {
… …
555 # include "state.h" 572 # include "state.h"
556 #undef VAR 573 #undef VAR
557 } 574 }
558 575
559 rss += sizeof (coro->curstackinfo); 576 rss += sizeof (coro->curstackinfo);
560 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); 577 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
561 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 578 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
562 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 579 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
563 rss += coro->tmps_max * sizeof (SV *); 580 rss += coro->tmps_max * sizeof (SV *);
564 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 581 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
565 rss += coro->scopestack_max * sizeof (I32); 582 rss += coro->scopestack_max * sizeof (I32);
566 rss += coro->savestack_max * sizeof (ANY); 583 rss += coro->savestack_max * sizeof (ANY);
567 584
… …
574} 591}
575 592
576/** coroutine stack handling ************************************************/ 593/** coroutine stack handling ************************************************/
577 594
578static void 595static void
579setup_coro (pTHX_ struct coro *coro) 596coro_setup (pTHX_ struct coro *coro)
580{ 597{
581 /* 598 /*
582 * emulate part of the perl startup here. 599 * emulate part of the perl startup here.
583 */ 600 */
584 coro_init_stacks (aTHX); 601 coro_init_stacks (aTHX);
585 602
603 PL_runops = RUNOPS_DEFAULT;
586 PL_curcop = &PL_compiling; 604 PL_curcop = &PL_compiling;
587 PL_in_eval = EVAL_NULL; 605 PL_in_eval = EVAL_NULL;
588 PL_comppad = 0; 606 PL_comppad = 0;
589 PL_curpm = 0; 607 PL_curpm = 0;
590 PL_localizing = 0; 608 PL_localizing = 0;
591 PL_dirty = 0; 609 PL_dirty = 0;
592 PL_restartop = 0; 610 PL_restartop = 0;
611
612 GvSV (PL_defgv) = newSV (0);
613 GvAV (PL_defgv) = coro->args; coro->args = 0;
614 GvSV (PL_errgv) = newSV (0);
615 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
616 PL_rs = newSVsv (GvSV (irsgv));
617 PL_defoutgv = SvREFCNT_inc (stdoutgv);
618
619 ENTER; /* necessary e.g. for dounwind */
593 620
594 { 621 {
595 dSP; 622 dSP;
596 LOGOP myop; 623 LOGOP myop;
597 624
598 SvREFCNT_dec (GvAV (PL_defgv));
599 GvAV (PL_defgv) = coro->args; coro->args = 0;
600
601 Zero (&myop, 1, LOGOP); 625 Zero (&myop, 1, LOGOP);
602 myop.op_next = Nullop; 626 myop.op_next = Nullop;
603 myop.op_flags = OPf_WANT_VOID; 627 myop.op_flags = OPf_WANT_VOID;
604 628
605 PUSHMARK (SP); 629 PUSHMARK (SP);
606 XPUSHs (av_shift (GvAV (PL_defgv))); 630 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
607 PUTBACK; 631 PUTBACK;
608 PL_op = (OP *)&myop; 632 PL_op = (OP *)&myop;
609 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 633 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
610 SPAGAIN; 634 SPAGAIN;
611 } 635 }
636}
612 637
613 ENTER; /* necessary e.g. for dounwind */ 638static void
639coro_destroy (pTHX_ struct coro *coro)
640{
641 if (!IN_DESTRUCT)
642 {
643 /* restore all saved variables and stuff */
644 LEAVE_SCOPE (0);
645 assert (PL_tmps_floor == -1);
646
647 /* free all temporaries */
648 FREETMPS;
649 assert (PL_tmps_ix == -1);
650
651 /* unwind all extra stacks */
652 POPSTACK_TO (PL_mainstack);
653
654 /* unwind main stack */
655 dounwind (-1);
656 }
657
658 SvREFCNT_dec (GvSV (PL_defgv));
659 SvREFCNT_dec (GvAV (PL_defgv));
660 SvREFCNT_dec (GvSV (PL_errgv));
661 SvREFCNT_dec (PL_defoutgv);
662 SvREFCNT_dec (PL_rs);
663 SvREFCNT_dec (GvSV (irsgv));
664
665 SvREFCNT_dec (coro->saved_deffh);
666 //SvREFCNT_dec (coro->throw);
667
668 coro_destroy_stacks (aTHX);
614} 669}
615 670
616static void 671static void
617free_coro_mortal (pTHX) 672free_coro_mortal (pTHX)
618{ 673{
619 if (coro_mortal) 674 if (coro_mortal)
620 { 675 {
621 SvREFCNT_dec (coro_mortal); 676 SvREFCNT_dec (coro_mortal);
622 coro_mortal = 0; 677 coro_mortal = 0;
623 } 678 }
679}
680
681static int
682runops_trace (pTHX)
683{
684 COP *oldcop = 0;
685 int oldcxix = -2;
686 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
687 coro_cctx *cctx = coro->cctx;
688
689 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
690 {
691 PERL_ASYNC_CHECK ();
692
693 if (cctx->flags & CC_TRACE_ALL)
694 {
695 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
696 {
697 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
698 SV **bot, **top;
699 AV *av = newAV (); /* return values */
700 SV **cb;
701 dSP;
702
703 GV *gv = CvGV (cx->blk_sub.cv);
704 SV *fullname = sv_2mortal (newSV (0));
705 if (isGV (gv))
706 gv_efullname3 (fullname, gv, 0);
707
708 bot = PL_stack_base + cx->blk_oldsp + 1;
709 top = cx->blk_gimme == G_ARRAY ? SP + 1
710 : cx->blk_gimme == G_SCALAR ? bot + 1
711 : bot;
712
713 av_extend (av, top - bot);
714 while (bot < top)
715 av_push (av, SvREFCNT_inc (*bot++));
716
717 PL_runops = RUNOPS_DEFAULT;
718 ENTER;
719 SAVETMPS;
720 EXTEND (SP, 3);
721 PUSHMARK (SP);
722 PUSHs (&PL_sv_no);
723 PUSHs (fullname);
724 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
725 PUTBACK;
726 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
727 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
728 SPAGAIN;
729 FREETMPS;
730 LEAVE;
731 PL_runops = runops_trace;
732 }
733
734 if (oldcop != PL_curcop)
735 {
736 oldcop = PL_curcop;
737
738 if (PL_curcop != &PL_compiling)
739 {
740 SV **cb;
741
742 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
743 {
744 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
745
746 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
747 {
748 runops_proc_t old_runops = PL_runops;
749 dSP;
750 GV *gv = CvGV (cx->blk_sub.cv);
751 SV *fullname = sv_2mortal (newSV (0));
752
753 if (isGV (gv))
754 gv_efullname3 (fullname, gv, 0);
755
756 PL_runops = RUNOPS_DEFAULT;
757 ENTER;
758 SAVETMPS;
759 EXTEND (SP, 3);
760 PUSHMARK (SP);
761 PUSHs (&PL_sv_yes);
762 PUSHs (fullname);
763 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
764 PUTBACK;
765 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
766 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
767 SPAGAIN;
768 FREETMPS;
769 LEAVE;
770 PL_runops = runops_trace;
771 }
772
773 oldcxix = cxstack_ix;
774 }
775
776 if (cctx->flags & CC_TRACE_LINE)
777 {
778 dSP;
779
780 PL_runops = RUNOPS_DEFAULT;
781 ENTER;
782 SAVETMPS;
783 EXTEND (SP, 3);
784 PL_runops = RUNOPS_DEFAULT;
785 PUSHMARK (SP);
786 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
787 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
788 PUTBACK;
789 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
790 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
791 SPAGAIN;
792 FREETMPS;
793 LEAVE;
794 PL_runops = runops_trace;
795 }
796 }
797 }
798 }
799 }
800
801 TAINT_NOT;
802 return 0;
624} 803}
625 804
626/* inject a fake call to Coro::State::_cctx_init into the execution */ 805/* 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 */ 806/* _cctx_init should be careful, as it could be called at almost any time */
628/* during execution of a perl program */ 807/* during execution of a perl program */
629static void NOINLINE 808static void NOINLINE
630prepare_cctx (pTHX_ coro_cctx *cctx) 809prepare_cctx (pTHX_ coro_cctx *cctx)
631{ 810{
632 dSP; 811 dSP;
633 LOGOP myop; 812 LOGOP myop;
813
814 PL_top_env = &PL_start_env;
815
816 if (cctx->flags & CC_TRACE)
817 PL_runops = runops_trace;
634 818
635 Zero (&myop, 1, LOGOP); 819 Zero (&myop, 1, LOGOP);
636 myop.op_next = PL_op; 820 myop.op_next = PL_op;
637 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 821 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
638 822
… …
655 dTHX; 839 dTHX;
656 840
657 /* coro_run is the alternative tail of transfer(), so unlock here. */ 841 /* coro_run is the alternative tail of transfer(), so unlock here. */
658 UNLOCK; 842 UNLOCK;
659 843
660 PL_top_env = &PL_start_env; 844 /* we now skip the entersub that lead to transfer() */
845 PL_op = PL_op->op_next;
661 846
662 /* inject a fake subroutine call to cctx_init */ 847 /* inject a fake subroutine call to cctx_init */
663 prepare_cctx (aTHX_ (coro_cctx *)arg); 848 prepare_cctx (aTHX_ (coro_cctx *)arg);
664 849
665 /* somebody or something will hit me for both perl_run and PL_restartop */ 850 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
699# if CORO_STACKGUARD 884# if CORO_STACKGUARD
700 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 885 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
701# endif 886# endif
702 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 887 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
703 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 888 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
704 cctx->mapped = 1; 889 cctx->flags |= CC_MAPPED;
705 } 890 }
706 else 891 else
707#endif 892#endif
708 { 893 {
709 cctx->ssize = coro_stacksize * (long)sizeof (long); 894 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
736#if CORO_USE_VALGRIND 921#if CORO_USE_VALGRIND
737 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 922 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
738#endif 923#endif
739 924
740#if HAVE_MMAP 925#if HAVE_MMAP
741 if (cctx->mapped) 926 if (cctx->flags & CC_MAPPED)
742 munmap (cctx->sptr, cctx->ssize); 927 munmap (cctx->sptr, cctx->ssize);
743 else 928 else
744#endif 929#endif
745 Safefree (cctx->sptr); 930 Safefree (cctx->sptr);
746 931
747 Safefree (cctx); 932 Safefree (cctx);
748} 933}
934
935/* wether this cctx should be destructed */
936#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
749 937
750static coro_cctx * 938static coro_cctx *
751cctx_get (pTHX) 939cctx_get (pTHX)
752{ 940{
753 while (cctx_first) 941 while (cctx_first)
754 { 942 {
755 coro_cctx *cctx = cctx_first; 943 coro_cctx *cctx = cctx_first;
756 cctx_first = cctx->next; 944 cctx_first = cctx->next;
757 --cctx_idle; 945 --cctx_idle;
758 946
759 if (cctx->ssize >= coro_stacksize) 947 if (!CCTX_EXPIRED (cctx))
760 return cctx; 948 return cctx;
761 949
762 cctx_destroy (cctx); 950 cctx_destroy (cctx);
763 } 951 }
764 952
765 PL_op = PL_op->op_next;
766 return cctx_new (); 953 return cctx_new ();
767} 954}
768 955
769static void 956static void
770cctx_put (coro_cctx *cctx) 957cctx_put (coro_cctx *cctx)
… …
774 { 961 {
775 coro_cctx *first = cctx_first; 962 coro_cctx *first = cctx_first;
776 cctx_first = first->next; 963 cctx_first = first->next;
777 --cctx_idle; 964 --cctx_idle;
778 965
779 assert (!first->inuse);
780 cctx_destroy (first); 966 cctx_destroy (first);
781 } 967 }
782 968
783 ++cctx_idle; 969 ++cctx_idle;
784 cctx->next = cctx_first; 970 cctx->next = cctx_first;
785 cctx_first = cctx; 971 cctx_first = cctx;
786} 972}
787 973
788/** coroutine switching *****************************************************/ 974/** coroutine switching *****************************************************/
789 975
790/* never call directly, always through the coro_state_transfer global variable */ 976static void NOINLINE
977transfer_check (pTHX_ struct coro *prev, struct coro *next)
978{
979 if (prev != next)
980 {
981 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
982 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
983
984 if (next->flags & CF_RUNNING)
985 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
986
987 if (next->flags & CF_DESTROYED)
988 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
989
990 if (PL_lex_state != LEX_NOTPARSING)
991 croak ("Coro::State::transfer called while parsing, but this is not supported");
992 }
993}
994
995/* always use the TRANSFER macro */
791static void NOINLINE 996static void NOINLINE
792transfer (pTHX_ struct coro *prev, struct coro *next) 997transfer (pTHX_ struct coro *prev, struct coro *next)
793{ 998{
794 dSTACKLEVEL; 999 dSTACKLEVEL;
795 1000
… …
805 1010
806 if (prev->flags & CF_NEW) 1011 if (prev->flags & CF_NEW)
807 { 1012 {
808 /* create a new empty context */ 1013 /* create a new empty context */
809 Newz (0, prev->cctx, 1, coro_cctx); 1014 Newz (0, prev->cctx, 1, coro_cctx);
810 prev->cctx->inuse = 1;
811 prev->flags &= ~CF_NEW; 1015 prev->flags &= ~CF_NEW;
812 prev->flags |= CF_RUNNING; 1016 prev->flags |= CF_RUNNING;
813 } 1017 }
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 1018
825 prev->flags &= ~CF_RUNNING; 1019 prev->flags &= ~CF_RUNNING;
826 next->flags |= CF_RUNNING; 1020 next->flags |= CF_RUNNING;
827 1021
828 LOCK; 1022 LOCK;
… …
832 /* need to start coroutine */ 1026 /* need to start coroutine */
833 next->flags &= ~CF_NEW; 1027 next->flags &= ~CF_NEW;
834 /* first get rid of the old state */ 1028 /* first get rid of the old state */
835 save_perl (aTHX_ prev); 1029 save_perl (aTHX_ prev);
836 /* setup coroutine call */ 1030 /* setup coroutine call */
837 setup_coro (aTHX_ next); 1031 coro_setup (aTHX_ next);
838 /* need a new stack */
839 assert (!next->cctx);
840 } 1032 }
841 else 1033 else
842 { 1034 {
843 /* coroutine already started */ 1035 /* coroutine already started */
844 save_perl (aTHX_ prev); 1036 save_perl (aTHX_ prev);
… …
846 } 1038 }
847 1039
848 prev__cctx = prev->cctx; 1040 prev__cctx = prev->cctx;
849 1041
850 /* possibly "free" the cctx */ 1042 /* possibly "free" the cctx */
851 if (prev__cctx->idle_sp == STACKLEVEL) 1043 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
852 { 1044 {
853 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1045 /* 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)); 1046 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
855 1047
856 prev->cctx = 0; 1048 prev->cctx = 0;
857 1049
1050 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1051 if (CCTX_EXPIRED (prev__cctx))
1052 next->cctx = cctx_get (aTHX);
1053
858 cctx_put (prev__cctx); 1054 cctx_put (prev__cctx);
859 prev__cctx->inuse = 0;
860 } 1055 }
861 1056
1057 ++next->usecount;
1058
862 if (!next->cctx) 1059 if (!next->cctx)
863 {
864 next->cctx = cctx_get (aTHX); 1060 next->cctx = cctx_get (aTHX);
865 assert (!next->cctx->inuse);
866 next->cctx->inuse = 1;
867 }
868 1061
869 if (prev__cctx != next->cctx) 1062 if (prev__cctx != next->cctx)
870 { 1063 {
871 prev__cctx->top_env = PL_top_env; 1064 prev__cctx->top_env = PL_top_env;
872 PL_top_env = next->cctx->top_env; 1065 PL_top_env = next->cctx->top_env;
… …
882{ 1075{
883 struct coro *prev, *next; 1076 struct coro *prev, *next;
884}; 1077};
885 1078
886#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1079#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1080#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
887 1081
888/** high level stuff ********************************************************/ 1082/** high level stuff ********************************************************/
889 1083
890static int 1084static int
891coro_state_destroy (pTHX_ struct coro *coro) 1085coro_state_destroy (pTHX_ struct coro *coro)
… …
908 1102
909 if (coro->mainstack && coro->mainstack != main_mainstack) 1103 if (coro->mainstack && coro->mainstack != main_mainstack)
910 { 1104 {
911 struct coro temp; 1105 struct coro temp;
912 1106
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) 1107 if (coro->flags & CF_RUNNING)
919 croak ("FATAL: tried to destroy currently running coroutine"); 1108 croak ("FATAL: tried to destroy currently running coroutine");
920 1109
921 save_perl (aTHX_ &temp); 1110 save_perl (aTHX_ &temp);
922 load_perl (aTHX_ coro); 1111 load_perl (aTHX_ coro);
923 1112
924 coro_destroy_stacks (aTHX); 1113 coro_destroy (aTHX_ coro);
925 1114
926 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1115 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
927 1116
928 coro->mainstack = 0; 1117 coro->mainstack = 0;
929 } 1118 }
… …
974#else 1163#else
975# define MGf_DUP 0 1164# define MGf_DUP 0
976#endif 1165#endif
977}; 1166};
978 1167
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 1168static void
1003prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1169prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1004{ 1170{
1005 ta->prev = SvSTATE (prev_sv); 1171 ta->prev = SvSTATE (prev_sv);
1006 ta->next = SvSTATE (next_sv); 1172 ta->next = SvSTATE (next_sv);
1173 TRANSFER_CHECK (*ta);
1007} 1174}
1008 1175
1009static void 1176static void
1010api_transfer (SV *prev_sv, SV *next_sv) 1177api_transfer (SV *prev_sv, SV *next_sv)
1011{ 1178{
1012 dTHX; 1179 dTHX;
1013 struct transfer_args ta; 1180 struct transfer_args ta;
1014 1181
1015 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1182 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1016 TRANSFER (ta); 1183 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} 1184}
1031 1185
1032/** Coro ********************************************************************/ 1186/** Coro ********************************************************************/
1033 1187
1034static void 1188static void
… …
1128 break; 1282 break;
1129 } 1283 }
1130 1284
1131 /* free this only after the transfer */ 1285 /* free this only after the transfer */
1132 prev_sv = SvRV (coro_current); 1286 prev_sv = SvRV (coro_current);
1133 SvRV_set (coro_current, next_sv);
1134 ta->prev = SvSTATE (prev_sv); 1287 ta->prev = SvSTATE (prev_sv);
1135 1288 TRANSFER_CHECK (*ta);
1136 assert (ta->next->flags & CF_READY); 1289 assert (ta->next->flags & CF_READY);
1137 ta->next->flags &= ~CF_READY; 1290 ta->next->flags &= ~CF_READY;
1291 SvRV_set (coro_current, next_sv);
1138 1292
1139 LOCK; 1293 LOCK;
1140 free_coro_mortal (aTHX); 1294 free_coro_mortal (aTHX);
1141 coro_mortal = prev_sv; 1295 coro_mortal = prev_sv;
1142 UNLOCK; 1296 UNLOCK;
… …
1203 } 1357 }
1204 else 1358 else
1205 return 0; 1359 return 0;
1206} 1360}
1207 1361
1362static void
1363api_trace (SV *coro_sv, int flags)
1364{
1365 dTHX;
1366 struct coro *coro = SvSTATE (coro_sv);
1367
1368 if (flags & CC_TRACE)
1369 {
1370 if (!coro->cctx)
1371 coro->cctx = cctx_new ();
1372 else if (!(coro->cctx->flags & CC_TRACE))
1373 croak ("cannot enable tracing on coroutine with custom stack");
1374
1375 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1376 }
1377 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1378 {
1379 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1380
1381 if (coro->flags & CF_RUNNING)
1382 PL_runops = RUNOPS_DEFAULT;
1383 else
1384 coro->runops = RUNOPS_DEFAULT;
1385 }
1386}
1387
1208MODULE = Coro::State PACKAGE = Coro::State 1388MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1209 1389
1210PROTOTYPES: DISABLE 1390PROTOTYPES: DISABLE
1211 1391
1212BOOT: 1392BOOT:
1213{ 1393{
1214#ifdef USE_ITHREADS 1394#ifdef USE_ITHREADS
1215 MUTEX_INIT (&coro_mutex); 1395 MUTEX_INIT (&coro_mutex);
1216#endif 1396#endif
1217 BOOT_PAGESIZE; 1397 BOOT_PAGESIZE;
1218 1398
1399 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1400 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1401
1219 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1402 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1220 1403
1221 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1404 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1222 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1405 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)); 1406 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1227 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1407 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1228 1408
1229 main_mainstack = PL_mainstack; 1409 main_mainstack = PL_mainstack;
1230 main_top_env = PL_top_env; 1410 main_top_env = PL_top_env;
1231 1411
1232 while (main_top_env->je_prev) 1412 while (main_top_env->je_prev)
… …
1245 struct coro *coro; 1425 struct coro *coro;
1246 HV *hv; 1426 HV *hv;
1247 int i; 1427 int i;
1248 1428
1249 Newz (0, coro, 1, struct coro); 1429 Newz (0, coro, 1, struct coro);
1250 coro->args = newAV (); 1430 coro->args = newAV ();
1251 coro->save = CORO_SAVE_DEF;
1252 coro->flags = CF_NEW; 1431 coro->flags = CF_NEW;
1253 1432
1254 if (coro_first) coro_first->prev = coro; 1433 if (coro_first) coro_first->prev = coro;
1255 coro->next = coro_first; 1434 coro->next = coro_first;
1256 coro_first = coro; 1435 coro_first = coro;
1257 1436
1258 coro->hv = hv = newHV (); 1437 coro->hv = hv = newHV ();
1259 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1438 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1260 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1439 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1261 1440
1441 av_extend (coro->args, items - 1);
1262 for (i = 1; i < items; i++) 1442 for (i = 1; i < items; i++)
1263 av_push (coro->args, newSVsv (ST (i))); 1443 av_push (coro->args, newSVsv (ST (i)));
1264} 1444}
1265 OUTPUT: 1445 OUTPUT:
1266 RETVAL 1446 RETVAL
1267 1447
1268int 1448# these not obviously related functions are all rolled into the same xs
1269save (SV *coro, int new_save = -1) 1449# function to increase chances that they all will call transfer with the same
1270 CODE: 1450# 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 1451void
1287_set_stacklevel (...) 1452_set_stacklevel (...)
1288 ALIAS: 1453 ALIAS:
1289 Coro::State::transfer = 1 1454 Coro::State::transfer = 1
1290 Coro::schedule = 2 1455 Coro::schedule = 2
… …
1376 if (coro->hv) 1541 if (coro->hv)
1377 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1542 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378} 1543}
1379 1544
1380void 1545void
1381_eval (Coro::State coro, SV *coderef) 1546call (Coro::State coro, SV *coderef)
1547 ALIAS:
1548 eval = 1
1382 CODE: 1549 CODE:
1383{ 1550{
1384 if (coro->mainstack) 1551 if (coro->mainstack)
1385 { 1552 {
1386 struct coro temp; 1553 struct coro temp;
1387 Zero (&temp, 1, struct coro); 1554 Zero (&temp, 1, struct coro);
1388 temp.save = CORO_SAVE_ALL;
1389 1555
1390 if (!(coro->flags & CF_RUNNING)) 1556 if (!(coro->flags & CF_RUNNING))
1391 { 1557 {
1392 save_perl (aTHX_ &temp); 1558 save_perl (aTHX_ &temp);
1393 load_perl (aTHX_ coro); 1559 load_perl (aTHX_ coro);
… …
1397 dSP; 1563 dSP;
1398 ENTER; 1564 ENTER;
1399 SAVETMPS; 1565 SAVETMPS;
1400 PUSHMARK (SP); 1566 PUSHMARK (SP);
1401 PUTBACK; 1567 PUTBACK;
1568 if (ix)
1569 eval_sv (coderef, 0);
1570 else
1402 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1571 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1403 SPAGAIN; 1572 SPAGAIN;
1404 FREETMPS; 1573 FREETMPS;
1405 LEAVE; 1574 LEAVE;
1406 PUTBACK; 1575 PUTBACK;
1407 } 1576 }
… …
1411 save_perl (aTHX_ coro); 1580 save_perl (aTHX_ coro);
1412 load_perl (aTHX_ &temp); 1581 load_perl (aTHX_ &temp);
1413 } 1582 }
1414 } 1583 }
1415} 1584}
1416 1585
1417SV * 1586SV *
1418is_ready (Coro::State coro) 1587is_ready (Coro::State coro)
1419 PROTOTYPE: $ 1588 PROTOTYPE: $
1420 ALIAS: 1589 ALIAS:
1421 is_ready = CF_READY 1590 is_ready = CF_READY
… …
1425 CODE: 1594 CODE:
1426 RETVAL = boolSV (coro->flags & ix); 1595 RETVAL = boolSV (coro->flags & ix);
1427 OUTPUT: 1596 OUTPUT:
1428 RETVAL 1597 RETVAL
1429 1598
1599void
1600api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1601
1602SV *
1603has_stack (Coro::State coro)
1604 PROTOTYPE: $
1605 CODE:
1606 RETVAL = boolSV (!!coro->cctx);
1607 OUTPUT:
1608 RETVAL
1609
1610int
1611is_traced (Coro::State coro)
1612 PROTOTYPE: $
1613 CODE:
1614 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1615 OUTPUT:
1616 RETVAL
1617
1430IV 1618IV
1431rss (Coro::State coro) 1619rss (Coro::State coro)
1432 PROTOTYPE: $ 1620 PROTOTYPE: $
1621 ALIAS:
1622 usecount = 1
1433 CODE: 1623 CODE:
1434 RETVAL = coro_rss (coro); 1624 switch (ix)
1625 {
1626 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1627 case 1: RETVAL = coro->usecount; break;
1628 }
1435 OUTPUT: 1629 OUTPUT:
1436 RETVAL 1630 RETVAL
1437 1631
1438 1632
1439MODULE = Coro::State PACKAGE = Coro 1633MODULE = Coro::State PACKAGE = Coro
1440 1634
1441BOOT: 1635BOOT:
1442{ 1636{
1443 int i; 1637 int i;
1638
1639 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1640 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1641 av_async_pool = get_av ("Coro::async_pool", TRUE);
1642
1643 coro_current = get_sv ("Coro::current", FALSE);
1644 SvREADONLY_on (coro_current);
1444 1645
1445 coro_stash = gv_stashpv ("Coro", TRUE); 1646 coro_stash = gv_stashpv ("Coro", TRUE);
1446 1647
1447 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1648 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1448 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1649 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1449 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1650 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1450 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1651 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1451 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1652 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1452 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1653 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1453 1654
1454 coro_current = get_sv ("Coro::current", FALSE);
1455 SvREADONLY_on (coro_current);
1456
1457 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1655 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1458 coro_ready[i] = newAV (); 1656 coro_ready[i] = newAV ();
1459 1657
1460 { 1658 {
1461 SV *sv = perl_get_sv("Coro::API", 1); 1659 SV *sv = perl_get_sv("Coro::API", 1);
1462 1660
1463 coroapi.schedule = api_schedule; 1661 coroapi.schedule = api_schedule;
1464 coroapi.save = api_save;
1465 coroapi.cede = api_cede; 1662 coroapi.cede = api_cede;
1466 coroapi.cede_notself = api_cede_notself; 1663 coroapi.cede_notself = api_cede_notself;
1467 coroapi.ready = api_ready; 1664 coroapi.ready = api_ready;
1468 coroapi.is_ready = api_is_ready; 1665 coroapi.is_ready = api_is_ready;
1469 coroapi.nready = &coro_nready; 1666 coroapi.nready = &coro_nready;
… …
1518 CODE: 1715 CODE:
1519 RETVAL = coro_nready; 1716 RETVAL = coro_nready;
1520 OUTPUT: 1717 OUTPUT:
1521 RETVAL 1718 RETVAL
1522 1719
1720# for async_pool speedup
1721void
1722_pool_1 (SV *cb)
1723 CODE:
1724{
1725 struct coro *coro = SvSTATE (coro_current);
1726 HV *hv = (HV *)SvRV (coro_current);
1727 AV *defav = GvAV (PL_defgv);
1728 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1729 AV *invoke_av;
1730 int i, len;
1731
1732 if (!invoke)
1733 croak ("\3terminate\2\n");
1734
1735 SvREFCNT_dec (coro->saved_deffh);
1736 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1737
1738 hv_store (hv, "desc", sizeof ("desc") - 1,
1739 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1740
1741 invoke_av = (AV *)SvRV (invoke);
1742 len = av_len (invoke_av);
1743
1744 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1745
1746 if (len > 0)
1747 {
1748 av_fill (defav, len - 1);
1749 for (i = 0; i < len; ++i)
1750 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1751 }
1752
1753 SvREFCNT_dec (invoke);
1754}
1755
1756void
1757_pool_2 (SV *cb)
1758 CODE:
1759{
1760 struct coro *coro = SvSTATE (coro_current);
1761
1762 sv_setsv (cb, &PL_sv_undef);
1763
1764 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1765 coro->saved_deffh = 0;
1766
1767 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1768 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1769 croak ("\3terminate\2\n");
1770
1771 av_clear (GvAV (PL_defgv));
1772 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1773 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1774
1775 coro->prio = 0;
1776
1777 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1778 api_trace (coro_current, 0);
1779
1780 av_push (av_async_pool, newSVsv (coro_current));
1781}
1782
1783
1523MODULE = Coro::State PACKAGE = Coro::AIO 1784MODULE = Coro::State PACKAGE = Coro::AIO
1524 1785
1525SV * 1786SV *
1526_get_state () 1787_get_state ()
1527 CODE: 1788 CODE:

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