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Comparing Coro/Coro/State.xs (file contents):
Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC vs.
Revision 1.169 by root, Thu Sep 27 16:25:10 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
137/* async_pool helper stuff */
138static SV *sv_pool_rss;
139static SV *sv_pool_size;
140static AV *av_async_pool;
141
138static struct coro_cctx *cctx_first; 142static struct coro_cctx *cctx_first;
139static int cctx_count, cctx_idle; 143static int cctx_count, cctx_idle;
144
145enum {
146 CC_MAPPED = 0x01,
147 CC_NOREUSE = 0x02, /* throw this away after tracing */
148 CC_TRACE = 0x04,
149 CC_TRACE_SUB = 0x08, /* trace sub calls */
150 CC_TRACE_LINE = 0x10, /* trace each statement */
151 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
152};
140 153
141/* this is a structure representing a c-level coroutine */ 154/* this is a structure representing a c-level coroutine */
142typedef struct coro_cctx { 155typedef struct coro_cctx {
143 struct coro_cctx *next; 156 struct coro_cctx *next;
144 157
… …
153 coro_context cctx; 166 coro_context cctx;
154 167
155#if CORO_USE_VALGRIND 168#if CORO_USE_VALGRIND
156 int valgrind_id; 169 int valgrind_id;
157#endif 170#endif
158 char inuse, mapped; 171 unsigned char flags;
159} coro_cctx; 172} coro_cctx;
160 173
161enum { 174enum {
162 CF_RUNNING = 0x0001, /* coroutine is running */ 175 CF_RUNNING = 0x0001, /* coroutine is running */
163 CF_READY = 0x0002, /* coroutine is ready */ 176 CF_READY = 0x0002, /* coroutine is ready */
… …
210 223
211/* for Coro.pm */ 224/* for Coro.pm */
212static SV *coro_current; 225static SV *coro_current;
213static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 226static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
214static int coro_nready; 227static int coro_nready;
215static struct coro *first; 228static struct coro *coro_first;
216 229
217/** lowlevel stuff **********************************************************/ 230/** lowlevel stuff **********************************************************/
218 231
219static AV * 232static AV *
220coro_clone_padlist (pTHX_ CV *cv) 233coro_clone_padlist (pTHX_ CV *cv)
… …
285 SvMAGIC (cv) \ 298 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 299 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 300 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 301 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 0 302 : 0
303
304static struct coro *
305SvSTATE_ (pTHX_ SV *coro)
306{
307 HV *stash;
308 MAGIC *mg;
309
310 if (SvROK (coro))
311 coro = SvRV (coro);
312
313 stash = SvSTASH (coro);
314 if (stash != coro_stash && stash != coro_state_stash)
315 {
316 /* very slow, but rare, check */
317 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
318 croak ("Coro::State object required");
319 }
320
321 mg = CORO_MAGIC (coro);
322 return (struct coro *)mg->mg_ptr;
323}
324
325#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290 326
291/* the next two functions merely cache the padlists */ 327/* the next two functions merely cache the padlists */
292static void 328static void
293get_padlist (pTHX_ CV *cv) 329get_padlist (pTHX_ CV *cv)
294{ 330{
… …
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
… …
455# define coro_init_stacks init_stacks 490# define coro_init_stacks init_stacks
456#else 491#else
457static void 492static void
458coro_init_stacks (pTHX) 493coro_init_stacks (pTHX)
459{ 494{
460 PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); 495 PL_curstackinfo = new_stackinfo(64, 6);
461 PL_curstackinfo->si_type = PERLSI_MAIN; 496 PL_curstackinfo->si_type = PERLSI_MAIN;
462 PL_curstack = PL_curstackinfo->si_stack; 497 PL_curstack = PL_curstackinfo->si_stack;
463 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 498 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
464 499
465 PL_stack_base = AvARRAY(PL_curstack); 500 PL_stack_base = AvARRAY(PL_curstack);
466 PL_stack_sp = PL_stack_base; 501 PL_stack_sp = PL_stack_base;
467 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 502 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
468 503
469 New(50,PL_tmps_stack,128,SV*); 504 New(50,PL_tmps_stack,64,SV*);
470 PL_tmps_floor = -1; 505 PL_tmps_floor = -1;
471 PL_tmps_ix = -1; 506 PL_tmps_ix = -1;
472 PL_tmps_max = 128; 507 PL_tmps_max = 64;
473 508
474 New(54,PL_markstack,32,I32); 509 New(54,PL_markstack,16,I32);
475 PL_markstack_ptr = PL_markstack; 510 PL_markstack_ptr = PL_markstack;
476 PL_markstack_max = PL_markstack + 32; 511 PL_markstack_max = PL_markstack + 16;
477 512
478#ifdef SET_MARK_OFFSET 513#ifdef SET_MARK_OFFSET
479 SET_MARK_OFFSET; 514 SET_MARK_OFFSET;
480#endif 515#endif
481 516
482 New(54,PL_scopestack,32,I32); 517 New(54,PL_scopestack,16,I32);
483 PL_scopestack_ix = 0; 518 PL_scopestack_ix = 0;
484 PL_scopestack_max = 32; 519 PL_scopestack_max = 16;
485 520
486 New(54,PL_savestack,64,ANY); 521 New(54,PL_savestack,64,ANY);
487 PL_savestack_ix = 0; 522 PL_savestack_ix = 0;
488 PL_savestack_max = 64; 523 PL_savestack_max = 64;
489 524
490#if !PERL_VERSION_ATLEAST (5,9,0) 525#if !PERL_VERSION_ATLEAST (5,9,0)
491 New(54,PL_retstack,16,OP*); 526 New(54,PL_retstack,4,OP*);
492 PL_retstack_ix = 0; 527 PL_retstack_ix = 0;
493 PL_retstack_max = 16; 528 PL_retstack_max = 4;
494#endif 529#endif
495} 530}
496#endif 531#endif
497 532
498/* 533/*
… …
540#if !PERL_VERSION_ATLEAST (5,9,0) 575#if !PERL_VERSION_ATLEAST (5,9,0)
541 Safefree (PL_retstack); 576 Safefree (PL_retstack);
542#endif 577#endif
543} 578}
544 579
580static size_t
581coro_rss (struct coro *coro)
582{
583 size_t rss = sizeof (coro);
584
585 if (coro->mainstack)
586 {
587 if (coro->flags & CF_RUNNING)
588 {
589 #define VAR(name,type)coro->name = PL_ ## name;
590 # include "state.h"
591 #undef VAR
592 }
593
594 rss += sizeof (coro->curstackinfo);
595 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
596 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
597 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
598 rss += coro->tmps_max * sizeof (SV *);
599 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
600 rss += coro->scopestack_max * sizeof (I32);
601 rss += coro->savestack_max * sizeof (ANY);
602
603#if !PERL_VERSION_ATLEAST (5,9,0)
604 rss += coro->retstack_max * sizeof (OP *);
605#endif
606 }
607
608 return rss;
609}
610
545/** coroutine stack handling ************************************************/ 611/** coroutine stack handling ************************************************/
546 612
547static void 613static void
548setup_coro (pTHX_ struct coro *coro) 614setup_coro (pTHX_ struct coro *coro)
549{ 615{
550 /* 616 /*
551 * emulate part of the perl startup here. 617 * emulate part of the perl startup here.
552 */ 618 */
553 coro_init_stacks (aTHX); 619 coro_init_stacks (aTHX);
554 620
621 PL_runops = RUNOPS_DEFAULT;
555 PL_curcop = &PL_compiling; 622 PL_curcop = &PL_compiling;
556 PL_in_eval = EVAL_NULL; 623 PL_in_eval = EVAL_NULL;
557 PL_comppad = 0; 624 PL_comppad = 0;
558 PL_curpm = 0; 625 PL_curpm = 0;
559 PL_localizing = 0; 626 PL_localizing = 0;
… …
590 SvREFCNT_dec (coro_mortal); 657 SvREFCNT_dec (coro_mortal);
591 coro_mortal = 0; 658 coro_mortal = 0;
592 } 659 }
593} 660}
594 661
662static int
663runops_trace (pTHX)
664{
665 COP *oldcop = 0;
666 int oldcxix = -2;
667 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
668 coro_cctx *cctx = coro->cctx;
669
670 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671 {
672 PERL_ASYNC_CHECK ();
673
674 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
675 {
676 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
677 SV **bot, **top;
678 AV *av = newAV (); /* return values */
679 SV **cb;
680 runops_proc_t old_runops = PL_runops;
681 dSP;
682 ENTER;
683 SAVETMPS;
684 EXTEND (SP, 3);
685 PL_runops = RUNOPS_DEFAULT;
686
687 GV *gv = CvGV (cx->blk_sub.cv);
688 SV *fullname = sv_2mortal (newSV (0));
689 if (isGV (gv))
690 gv_efullname3 (fullname, gv, 0);
691
692 bot = PL_stack_base + cx->blk_oldsp + 1;
693 top = cx->blk_gimme == G_ARRAY ? SP + 1
694 : cx->blk_gimme == G_SCALAR ? bot + 1
695 : bot;
696
697 while (bot < top)
698 av_push (av, SvREFCNT_inc (*bot++));
699
700 PUSHMARK (SP);
701 PUSHs (&PL_sv_no);
702 PUSHs (fullname);
703 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
704 PUTBACK;
705 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
706 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
707 SPAGAIN;
708
709 FREETMPS;
710 LEAVE;
711 PL_runops = old_runops;
712 }
713
714 if (oldcop != PL_curcop)
715 {
716 oldcop = PL_curcop;
717
718 if (PL_curcop != &PL_compiling)
719 {
720 SV **cb;
721 runops_proc_t old_runops = PL_runops;
722 dSP;
723 ENTER;
724 SAVETMPS;
725 EXTEND (SP, 3);
726 PL_runops = RUNOPS_DEFAULT;
727
728 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
729 {
730 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
731
732 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
733 {
734 GV *gv = CvGV (cx->blk_sub.cv);
735 SV *fullname = sv_2mortal (newSV (0));
736 if (isGV (gv))
737 gv_efullname3 (fullname, gv, 0);
738
739 PUSHMARK (SP);
740 PUSHs (&PL_sv_yes);
741 PUSHs (fullname);
742 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
743 PUTBACK;
744 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
745 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
746 SPAGAIN;
747 }
748
749 oldcxix = cxstack_ix;
750 }
751
752 if (cctx->flags & CC_TRACE_LINE)
753 {
754 PUSHMARK (SP);
755 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
756 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
757 PUTBACK;
758 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
759 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
760 SPAGAIN;
761 }
762
763 FREETMPS;
764 LEAVE;
765 PL_runops = old_runops;
766 }
767 }
768 }
769
770 TAINT_NOT;
771 return 0;
772}
773
595/* inject a fake call to Coro::State::_cctx_init into the execution */ 774/* inject a fake call to Coro::State::_cctx_init into the execution */
596/* _cctx_init should be careful, as it could be called at almost any time */ 775/* _cctx_init should be careful, as it could be called at almost any time */
597/* during execution of a perl program */ 776/* during execution of a perl program */
598static void NOINLINE 777static void NOINLINE
599prepare_cctx (pTHX_ coro_cctx *cctx) 778prepare_cctx (pTHX_ coro_cctx *cctx)
600{ 779{
601 dSP; 780 dSP;
602 LOGOP myop; 781 LOGOP myop;
782
783 PL_top_env = &PL_start_env;
784
785 if (cctx->flags & CC_TRACE)
786 PL_runops = runops_trace;
603 787
604 Zero (&myop, 1, LOGOP); 788 Zero (&myop, 1, LOGOP);
605 myop.op_next = PL_op; 789 myop.op_next = PL_op;
606 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 790 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
607 791
… …
624 dTHX; 808 dTHX;
625 809
626 /* coro_run is the alternative tail of transfer(), so unlock here. */ 810 /* coro_run is the alternative tail of transfer(), so unlock here. */
627 UNLOCK; 811 UNLOCK;
628 812
629 PL_top_env = &PL_start_env; 813 /* we now skip the entersub that lead to transfer() */
814 PL_op = PL_op->op_next;
630 815
631 /* inject a fake subroutine call to cctx_init */ 816 /* inject a fake subroutine call to cctx_init */
632 prepare_cctx (aTHX_ (coro_cctx *)arg); 817 prepare_cctx (aTHX_ (coro_cctx *)arg);
633 818
634 /* somebody or something will hit me for both perl_run and PL_restartop */ 819 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
668# if CORO_STACKGUARD 853# if CORO_STACKGUARD
669 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 854 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
670# endif 855# endif
671 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 856 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
672 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 857 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
673 cctx->mapped = 1; 858 cctx->flags |= CC_MAPPED;
674 } 859 }
675 else 860 else
676#endif 861#endif
677 { 862 {
678 cctx->ssize = coro_stacksize * (long)sizeof (long); 863 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
705#if CORO_USE_VALGRIND 890#if CORO_USE_VALGRIND
706 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 891 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
707#endif 892#endif
708 893
709#if HAVE_MMAP 894#if HAVE_MMAP
710 if (cctx->mapped) 895 if (cctx->flags & CC_MAPPED)
711 munmap (cctx->sptr, cctx->ssize); 896 munmap (cctx->sptr, cctx->ssize);
712 else 897 else
713#endif 898#endif
714 Safefree (cctx->sptr); 899 Safefree (cctx->sptr);
715 900
… …
723 { 908 {
724 coro_cctx *cctx = cctx_first; 909 coro_cctx *cctx = cctx_first;
725 cctx_first = cctx->next; 910 cctx_first = cctx->next;
726 --cctx_idle; 911 --cctx_idle;
727 912
728 if (cctx->ssize >= coro_stacksize) 913 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
729 return cctx; 914 return cctx;
730 915
731 cctx_destroy (cctx); 916 cctx_destroy (cctx);
732 } 917 }
733 918
734 PL_op = PL_op->op_next;
735 return cctx_new (); 919 return cctx_new ();
736} 920}
737 921
738static void 922static void
739cctx_put (coro_cctx *cctx) 923cctx_put (coro_cctx *cctx)
… …
743 { 927 {
744 coro_cctx *first = cctx_first; 928 coro_cctx *first = cctx_first;
745 cctx_first = first->next; 929 cctx_first = first->next;
746 --cctx_idle; 930 --cctx_idle;
747 931
748 assert (!first->inuse);
749 cctx_destroy (first); 932 cctx_destroy (first);
750 } 933 }
751 934
752 ++cctx_idle; 935 ++cctx_idle;
753 cctx->next = cctx_first; 936 cctx->next = cctx_first;
… …
774 957
775 if (prev->flags & CF_NEW) 958 if (prev->flags & CF_NEW)
776 { 959 {
777 /* create a new empty context */ 960 /* create a new empty context */
778 Newz (0, prev->cctx, 1, coro_cctx); 961 Newz (0, prev->cctx, 1, coro_cctx);
779 prev->cctx->inuse = 1;
780 prev->flags &= ~CF_NEW; 962 prev->flags &= ~CF_NEW;
781 prev->flags |= CF_RUNNING; 963 prev->flags |= CF_RUNNING;
782 } 964 }
783 965
784 /*TODO: must not croak here */ 966 /*TODO: must not croak here */
… …
802 next->flags &= ~CF_NEW; 984 next->flags &= ~CF_NEW;
803 /* first get rid of the old state */ 985 /* first get rid of the old state */
804 save_perl (aTHX_ prev); 986 save_perl (aTHX_ prev);
805 /* setup coroutine call */ 987 /* setup coroutine call */
806 setup_coro (aTHX_ next); 988 setup_coro (aTHX_ next);
807 /* need a new stack */
808 assert (!next->cctx);
809 } 989 }
810 else 990 else
811 { 991 {
812 /* coroutine already started */ 992 /* coroutine already started */
813 save_perl (aTHX_ prev); 993 save_perl (aTHX_ prev);
… …
815 } 995 }
816 996
817 prev__cctx = prev->cctx; 997 prev__cctx = prev->cctx;
818 998
819 /* possibly "free" the cctx */ 999 /* possibly "free" the cctx */
820 if (prev__cctx->idle_sp == STACKLEVEL) 1000 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
821 { 1001 {
822 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1002 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
823 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1003 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
824 1004
825 prev->cctx = 0; 1005 prev->cctx = 0;
826 1006
827 cctx_put (prev__cctx); 1007 cctx_put (prev__cctx);
828 prev__cctx->inuse = 0;
829 } 1008 }
830 1009
831 if (!next->cctx) 1010 if (!next->cctx)
832 {
833 next->cctx = cctx_get (aTHX); 1011 next->cctx = cctx_get (aTHX);
834 assert (!next->cctx->inuse);
835 next->cctx->inuse = 1;
836 }
837 1012
838 if (prev__cctx != next->cctx) 1013 if (prev__cctx != next->cctx)
839 { 1014 {
840 prev__cctx->top_env = PL_top_env; 1015 prev__cctx->top_env = PL_top_env;
841 PL_top_env = next->cctx->top_env; 1016 PL_top_env = next->cctx->top_env;
… …
900 cctx_destroy (coro->cctx); 1075 cctx_destroy (coro->cctx);
901 SvREFCNT_dec (coro->args); 1076 SvREFCNT_dec (coro->args);
902 1077
903 if (coro->next) coro->next->prev = coro->prev; 1078 if (coro->next) coro->next->prev = coro->prev;
904 if (coro->prev) coro->prev->next = coro->next; 1079 if (coro->prev) coro->prev->next = coro->next;
905 if (coro == first) first = coro->next; 1080 if (coro == coro_first) coro_first = coro->next;
906 1081
907 return 1; 1082 return 1;
908} 1083}
909 1084
910static int 1085static int
… …
943#else 1118#else
944# define MGf_DUP 0 1119# define MGf_DUP 0
945#endif 1120#endif
946}; 1121};
947 1122
948static struct coro *
949SvSTATE_ (pTHX_ SV *coro)
950{
951 HV *stash;
952 MAGIC *mg;
953
954 if (SvROK (coro))
955 coro = SvRV (coro);
956
957 stash = SvSTASH (coro);
958 if (stash != coro_stash && stash != coro_state_stash)
959 {
960 /* very slow, but rare, check */
961 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
962 croak ("Coro::State object required");
963 }
964
965 mg = CORO_MAGIC (coro);
966 return (struct coro *)mg->mg_ptr;
967}
968
969#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
970
971static void 1123static void
972prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1124prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
973{ 1125{
974 ta->prev = SvSTATE (prev_sv); 1126 ta->prev = SvSTATE (prev_sv);
975 ta->next = SvSTATE (next_sv); 1127 ta->next = SvSTATE (next_sv);
… …
1185#endif 1337#endif
1186 BOOT_PAGESIZE; 1338 BOOT_PAGESIZE;
1187 1339
1188 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1340 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1189 1341
1342 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1343 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1344 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1345 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1346
1190 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1347 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1191 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1348 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1192 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1349 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1193 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1350 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1194 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); 1351 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
… …
1218 Newz (0, coro, 1, struct coro); 1375 Newz (0, coro, 1, struct coro);
1219 coro->args = newAV (); 1376 coro->args = newAV ();
1220 coro->save = CORO_SAVE_DEF; 1377 coro->save = CORO_SAVE_DEF;
1221 coro->flags = CF_NEW; 1378 coro->flags = CF_NEW;
1222 1379
1223 if (first) first->prev = coro; 1380 if (coro_first) coro_first->prev = coro;
1224 coro->next = first; 1381 coro->next = coro_first;
1225 first = coro; 1382 coro_first = coro;
1226 1383
1227 coro->hv = hv = newHV (); 1384 coro->hv = hv = newHV ();
1228 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1385 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1229 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1386 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1230 1387
… …
1339void 1496void
1340list () 1497list ()
1341 PPCODE: 1498 PPCODE:
1342{ 1499{
1343 struct coro *coro; 1500 struct coro *coro;
1344 for (coro = first; coro; coro = coro->next) 1501 for (coro = coro_first; coro; coro = coro->next)
1345 if (coro->hv) 1502 if (coro->hv)
1346 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1503 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1347} 1504}
1348 1505
1349void 1506void
1350_eval (SV *coro_sv, SV *coderef) 1507call (Coro::State coro, SV *coderef)
1508 ALIAS:
1509 eval = 1
1351 CODE: 1510 CODE:
1352{ 1511{
1353 struct coro *coro = SvSTATE (coro_sv);
1354 if (coro->mainstack) 1512 if (coro->mainstack)
1355 { 1513 {
1356 struct coro temp; 1514 struct coro temp;
1357 Zero (&temp, 1, struct coro); 1515 Zero (&temp, 1, struct coro);
1358 temp.save = CORO_SAVE_ALL; 1516 temp.save = CORO_SAVE_ALL;
… …
1367 dSP; 1525 dSP;
1368 ENTER; 1526 ENTER;
1369 SAVETMPS; 1527 SAVETMPS;
1370 PUSHMARK (SP); 1528 PUSHMARK (SP);
1371 PUTBACK; 1529 PUTBACK;
1530 if (ix)
1531 eval_sv (coderef, 0);
1532 else
1372 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1533 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1373 SPAGAIN; 1534 SPAGAIN;
1374 FREETMPS; 1535 FREETMPS;
1375 LEAVE; 1536 LEAVE;
1376 PUTBACK; 1537 PUTBACK;
1377 } 1538 }
… …
1383 } 1544 }
1384 } 1545 }
1385} 1546}
1386 1547
1387SV * 1548SV *
1388is_ready (SV *coro_sv) 1549is_ready (Coro::State coro)
1389 PROTOTYPE: $ 1550 PROTOTYPE: $
1390 ALIAS: 1551 ALIAS:
1391 is_ready = CF_READY 1552 is_ready = CF_READY
1392 is_running = CF_RUNNING 1553 is_running = CF_RUNNING
1393 is_new = CF_NEW 1554 is_new = CF_NEW
1394 is_destroyed = CF_DESTROYED 1555 is_destroyed = CF_DESTROYED
1395 CODE: 1556 CODE:
1396 struct coro *coro = SvSTATE (coro_sv);
1397 RETVAL = boolSV (coro->flags & ix); 1557 RETVAL = boolSV (coro->flags & ix);
1398 OUTPUT: 1558 OUTPUT:
1399 RETVAL 1559 RETVAL
1400 1560
1561void
1562trace (Coro::State coro, int flags = CC_TRACE | CC_TRACE_SUB)
1563 CODE:
1564 if (flags & CC_TRACE)
1565 {
1566 if (!coro->cctx)
1567 coro->cctx = cctx_new ();
1568 else if (!(coro->cctx->flags & CC_TRACE))
1569 croak ("cannot enable tracing on coroutine with custom stack");
1570
1571 coro->cctx->flags |= flags & (CC_TRACE | CC_TRACE_ALL);
1572 }
1573 else
1574 if (coro->cctx && coro->cctx->flags & CC_TRACE)
1575 {
1576 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1577 coro->cctx->flags |= CC_NOREUSE;
1578
1579 if (coro->flags & CF_RUNNING)
1580 PL_runops = RUNOPS_DEFAULT;
1581 else
1582 coro->runops = RUNOPS_DEFAULT;
1583 }
1584
1585SV *
1586has_stack (Coro::State coro)
1587 PROTOTYPE: $
1588 CODE:
1589 RETVAL = boolSV (!!coro->cctx);
1590 OUTPUT:
1591 RETVAL
1592
1593int
1594is_traced (Coro::State coro)
1595 PROTOTYPE: $
1596 CODE:
1597 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1598 OUTPUT:
1599 RETVAL
1600
1601IV
1602rss (Coro::State coro)
1603 PROTOTYPE: $
1604 CODE:
1605 RETVAL = coro_rss (coro);
1606 OUTPUT:
1607 RETVAL
1608
1401 1609
1402MODULE = Coro::State PACKAGE = Coro 1610MODULE = Coro::State PACKAGE = Coro
1403 1611
1404BOOT: 1612BOOT:
1405{ 1613{
1406 int i; 1614 int i;
1615
1616 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1617 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1618 av_async_pool = get_av ("Coro::async_pool", TRUE);
1619
1620 coro_current = get_sv ("Coro::current", FALSE);
1621 SvREADONLY_on (coro_current);
1407 1622
1408 coro_stash = gv_stashpv ("Coro", TRUE); 1623 coro_stash = gv_stashpv ("Coro", TRUE);
1409 1624
1410 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1625 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1411 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1626 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1412 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1627 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1413 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1628 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1414 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1629 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1415 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1630 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1416
1417 coro_current = get_sv ("Coro::current", FALSE);
1418 SvREADONLY_on (coro_current);
1419 1631
1420 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1632 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1421 coro_ready[i] = newAV (); 1633 coro_ready[i] = newAV ();
1422 1634
1423 { 1635 {
… …
1481 CODE: 1693 CODE:
1482 RETVAL = coro_nready; 1694 RETVAL = coro_nready;
1483 OUTPUT: 1695 OUTPUT:
1484 RETVAL 1696 RETVAL
1485 1697
1698# for async_pool speedup
1699void
1700_pool_1 (SV *cb)
1701 CODE:
1702{
1703 int i, len;
1704 HV *hv = (HV *)SvRV (coro_current);
1705 AV *defav = GvAV (PL_defgv);
1706 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1707 AV *invoke_av;
1708
1709 if (!invoke)
1710 croak ("\3terminate\2\n");
1711
1712 hv_store (hv, "desc", sizeof ("desc") - 1,
1713 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1714
1715 invoke_av = (AV *)SvRV (invoke);
1716 len = av_len (invoke_av);
1717
1718 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1719
1720 if (len > 0)
1721 {
1722 av_fill (defav, len - 1);
1723 for (i = 0; i < len; ++i)
1724 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1725 }
1726
1727 SvREFCNT_dec (invoke);
1728}
1729
1730void
1731_pool_2 (SV *cb)
1732 CODE:
1733{
1734 struct coro *coro = SvSTATE (coro_current);
1735
1736 sv_setsv (cb, &PL_sv_undef);
1737
1738 if (coro_rss (coro) > SvIV (sv_pool_rss)
1739 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1740 croak ("\3terminate\2\n");
1741
1742 av_clear (GvAV (PL_defgv));
1743 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1744 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1745 coro->save = CORO_SAVE_DEF;
1746 coro->prio = 0;
1747 av_push (av_async_pool, newSVsv (coro_current));
1748}
1749
1750
1486MODULE = Coro::State PACKAGE = Coro::AIO 1751MODULE = Coro::State PACKAGE = Coro::AIO
1487 1752
1488SV * 1753SV *
1489_get_state () 1754_get_state ()
1490 CODE: 1755 CODE:

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