[ViewVC] Diff of: cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.171 by root, Sat Sep 29 19:42:10 2007 UTC vs.
Revision 1.194 by root, Sat Oct 6 00:08:04 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
…		…
98	#define IN_DESTRUCT (PL_main_cv == Nullcv)	106	#define IN_DESTRUCT (PL_main_cv == Nullcv)
99		107
100	#if __GNUC__ >= 3	108	#if __GNUC__ >= 3
101	# define attribute(x) __attribute__(x)	109	# define attribute(x) __attribute__(x)
102	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	110	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		111	# define expect(expr,value) __builtin_expect ((expr),(value))
103	#else	112	#else
104	# define attribute(x)	113	# define attribute(x)
105	# define BARRIER	114	# define BARRIER
		115	# define expect(expr,value) (expr)
106	#endif	116	#endif
		117
		118	#define expect_false(expr) expect ((expr) != 0, 0)
		119	#define expect_true(expr) expect ((expr) != 0, 1)
107		120
108	#define NOINLINE attribute ((noinline))	121	#define NOINLINE attribute ((noinline))
109		122
110	#include "CoroAPI.h"	123	#include "CoroAPI.h"
111		124
…		…
131	static struct CoroAPI coroapi;	144	static struct CoroAPI coroapi;
132	static AV main_mainstack; / used to differentiate between $main and others */	145	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	146	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	147	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	148	static SV coro_mortal; / will be freed after next transfer */
		149
		150	static GV irsgv; / $/ */
		151	static GV stdoutgv; / STDOUT /
136		152
137	/* async_pool helper stuff */	153	/* async_pool helper stuff */
138	static SV *sv_pool_rss;	154	static SV *sv_pool_rss;
139	static SV *sv_pool_size;	155	static SV *sv_pool_size;
140	static AV *av_async_pool;	156	static AV *av_async_pool;
…		…
184	coro_cctx *cctx;	200	coro_cctx *cctx;
185		201
186	/* data associated with this coroutine (initial args) */	202	/* data associated with this coroutine (initial args) */
187	AV *args;	203	AV *args;
188	int refcnt;	204	int refcnt;
189	int save; /* CORO_SAVE flags */
190	int flags; /* CF_ flags */	205	int flags; /* CF_ flags */
191		206
192	/* optionally saved, might be zero */	207	/* optionally saved, might be zero */
193	AV defav; / @_ */	208	AV defav; / @_ */
194	SV defsv; / $_ */	209	SV defsv; / $_ */
195	SV errsv; / $@ */	210	SV errsv; / $@ */
196	GV deffh; / default filehandle */	211	SV deffh; / default filehandle */
197	SV irssv; / $/ */	212	SV irssv; / $/ */
198	SV irssv_sv; / real $/ cache */	213	SV irssv_sv; / real $/ cache */
199		214
200	#define VAR(name,type) type name;	215	#define VAR(name,type) type name;
201	# include "state.h"	216	# include "state.h"
202	#undef VAR	217	#undef VAR
203		218
		219	/* statistics */
		220	int usecount; /* number of transfers to this coro */
		221
204	/* coro process data */	222	/* coro process data */
205	int prio;	223	int prio;
		224	//SV *throw;
		225
		226	/* async_pool */
		227	SV *saved_deffh;
206		228
207	/* linked list */	229	/* linked list */
208	struct coro next, prev;	230	struct coro next, prev;
209	HV hv; / the perl hash associated with this coro, if any */	231	HV hv; / the perl hash associated with this coro, if any */
210	};	232	};
…		…
308	MAGIC *mg;	330	MAGIC *mg;
309		331
310	if (SvROK (coro))	332	if (SvROK (coro))
311	coro = SvRV (coro);	333	coro = SvRV (coro);
312		334
		335	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		336	croak ("Coro::State object required");
		337
313	stash = SvSTASH (coro);	338	stash = SvSTASH (coro);
314	if (stash != coro_stash && stash != coro_state_stash)	339	if (expect_false (stash != coro_stash && stash != coro_state_stash))
315	{	340	{
316	/* very slow, but rare, check */	341	/* very slow, but rare, check */
317	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	342	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
318	croak ("Coro::State object required");	343	croak ("Coro::State object required");
319	}	344	}
…		…
329	get_padlist (pTHX_ CV *cv)	354	get_padlist (pTHX_ CV *cv)
330	{	355	{
331	MAGIC *mg = CORO_MAGIC (cv);	356	MAGIC *mg = CORO_MAGIC (cv);
332	AV *av;	357	AV *av;
333		358
334	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	359	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
335	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	360	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
336	else	361	else
337	{	362	{
338	#if CORO_PREFER_PERL_FUNCTIONS	363	#if CORO_PREFER_PERL_FUNCTIONS
339	/* this is probably cleaner, but also slower? */	364	/* this is probably cleaner, but also slower? */
…		…
351	put_padlist (pTHX_ CV *cv)	376	put_padlist (pTHX_ CV *cv)
352	{	377	{
353	MAGIC *mg = CORO_MAGIC (cv);	378	MAGIC *mg = CORO_MAGIC (cv);
354	AV *av;	379	AV *av;
355		380
356	if (!mg)	381	if (expect_false (!mg))
357	{	382	{
358	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	383	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
359	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	384	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
360	mg->mg_virtual = &vtbl_coro;	385	mg->mg_virtual = &vtbl_coro;
361	mg->mg_obj = (SV *)newAV ();	386	mg->mg_obj = (SV *)newAV ();
362	}	387	}
363		388
364	av = (AV *)mg->mg_obj;	389	av = (AV *)mg->mg_obj;
365		390
366	if (AvFILLp (av) >= AvMAX (av))	391	if (expect_false (AvFILLp (av) >= AvMAX (av)))
367	av_extend (av, AvMAX (av) + 1);	392	av_extend (av, AvMAX (av) + 1);
368		393
369	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	394	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
370	}	395	}
371		396
372	/ load & save, init *****************************************************/	397	/ load & save, init *****************************************************/
373
374	#define SB do {
375	#define SE } while (0)
376
377	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
378		398
379	static void	399	static void
380	load_perl (pTHX_ Coro__State c)	400	load_perl (pTHX_ Coro__State c)
381	{	401	{
382	#define VAR(name,type) PL_ ## name = c->name;	402	#define VAR(name,type) PL_ ## name = c->name;
383	# include "state.h"	403	# include "state.h"
384	#undef VAR	404	#undef VAR
385		405
386	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	406	GvSV (PL_defgv) = c->defsv;
387	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	407	GvAV (PL_defgv) = c->defav;
388	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	408	GvSV (PL_errgv) = c->errsv;
389	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	409	GvSV (irsgv) = c->irssv_sv;
390
391	if (c->irssv)
392	{
393	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
394	{
395	SvREFCNT_dec (c->irssv);
396	c->irssv = 0;
397	}
398	else
399	{
400	REPLACE_SV (PL_rs, c->irssv);
401	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
402	sv_setsv (c->irssv_sv, PL_rs);
403	}
404	}
405		410
406	{	411	{
407	dSP;	412	dSP;
408	CV *cv;	413	CV *cv;
409		414
410	/* now do the ugly restore mess */	415	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	416	while (expect_true (cv = (CV *)POPs))
412	{	417	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	418	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	419	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	420	CvPADLIST (cv) = (AV *)POPs;
416	}	421	}
…		…
435		440
436	XPUSHs (Nullsv);	441	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	442	/* this loop was inspired by pp_caller */
438	for (;;)	443	for (;;)
439	{	444	{
440	while (cxix >= 0)	445	while (expect_true (cxix >= 0))
441	{	446	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	447	PERL_CONTEXT *cx = &ccstk[cxix--];
443		448
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	449	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	450	{
446	CV *cv = cx->blk_sub.cv;	451	CV *cv = cx->blk_sub.cv;
447		452
448	if (CvDEPTH (cv))	453	if (expect_true (CvDEPTH (cv)))
449	{	454	{
450	EXTEND (SP, 3);	455	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	456	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	457	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	458	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	461	get_padlist (aTHX_ cv);
457	}	462	}
458	}	463	}
459	}	464	}
460		465
461	if (top_si->si_type == PERLSI_MAIN)	466	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	467	break;
463		468
464	top_si = top_si->si_prev;	469	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	470	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	471	cxix = top_si->si_cxix;
467	}	472	}
468		473
469	PUTBACK;	474	PUTBACK;
470	}	475	}
471		476
472	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	477	c->defav = GvAV (PL_defgv);
473	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	478	c->defsv = DEFSV;
474	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	479	c->errsv = ERRSV;
475	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	480	c->irssv_sv = GvSV (irsgv);
476	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
477		481
478	#define VAR(name,type)c->name = PL_ ## name;	482	#define VAR(name,type)c->name = PL_ ## name;
479	# include "state.h"	483	# include "state.h"
480	#undef VAR	484	#undef VAR
481	}	485	}
…		…
534	* destroy the stacks, the callchain etc...	538	* destroy the stacks, the callchain etc...
535	*/	539	*/
536	static void	540	static void
537	coro_destroy_stacks (pTHX)	541	coro_destroy_stacks (pTHX)
538	{	542	{
539	if (!IN_DESTRUCT)
540	{
541	/* restore all saved variables and stuff */
542	LEAVE_SCOPE (0);
543	assert (PL_tmps_floor == -1);
544
545	/* free all temporaries */
546	FREETMPS;
547	assert (PL_tmps_ix == -1);
548
549	/* unwind all extra stacks */
550	POPSTACK_TO (PL_mainstack);
551
552	/* unwind main stack */
553	dounwind (-1);
554	}
555
556	while (PL_curstackinfo->si_next)	543	while (PL_curstackinfo->si_next)
557	PL_curstackinfo = PL_curstackinfo->si_next;	544	PL_curstackinfo = PL_curstackinfo->si_next;
558		545
559	while (PL_curstackinfo)	546	while (PL_curstackinfo)
560	{	547	{
…		…
578	}	565	}
579		566
580	static size_t	567	static size_t
581	coro_rss (pTHX_ struct coro *coro)	568	coro_rss (pTHX_ struct coro *coro)
582	{	569	{
583	size_t rss = sizeof (coro);	570	size_t rss = sizeof (*coro);
584		571
585	if (coro->mainstack)	572	if (coro->mainstack)
586	{	573	{
587	if (coro->flags & CF_RUNNING)	574	if (coro->flags & CF_RUNNING)
588	{	575	{
…		…
590	# include "state.h"	577	# include "state.h"
591	#undef VAR	578	#undef VAR
592	}	579	}
593		580
594	rss += sizeof (coro->curstackinfo);	581	rss += sizeof (coro->curstackinfo);
595	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);	582	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
596	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	583	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
598	rss += coro->tmps_max * sizeof (SV *);	585	rss += coro->tmps_max * sizeof (SV *);
599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
600	rss += coro->scopestack_max * sizeof (I32);	587	rss += coro->scopestack_max * sizeof (I32);
601	rss += coro->savestack_max * sizeof (ANY);	588	rss += coro->savestack_max * sizeof (ANY);
602		589
…		…
609	}	596	}
610		597
611	/ coroutine stack handling **********************************************/	598	/ coroutine stack handling **********************************************/
612		599
613	static void	600	static void
614	setup_coro (pTHX_ struct coro *coro)	601	coro_setup (pTHX_ struct coro *coro)
615	{	602	{
616	/*	603	/*
617	* emulate part of the perl startup here.	604	* emulate part of the perl startup here.
618	*/	605	*/
619	coro_init_stacks (aTHX);	606	coro_init_stacks (aTHX);
…		…
624	PL_comppad = 0;	611	PL_comppad = 0;
625	PL_curpm = 0;	612	PL_curpm = 0;
626	PL_localizing = 0;	613	PL_localizing = 0;
627	PL_dirty = 0;	614	PL_dirty = 0;
628	PL_restartop = 0;	615	PL_restartop = 0;
		616
		617	GvSV (PL_defgv) = newSV (0);
		618	GvAV (PL_defgv) = coro->args; coro->args = 0;
		619	GvSV (PL_errgv) = newSV (0);
		620	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		621	PL_rs = newSVsv (GvSV (irsgv));
		622	PL_defoutgv = SvREFCNT_inc (stdoutgv);
		623
		624	ENTER; /* necessary e.g. for dounwind */
629		625
630	{	626	{
631	dSP;	627	dSP;
632	LOGOP myop;	628	LOGOP myop;
633		629
634	SvREFCNT_dec (GvAV (PL_defgv));
635	GvAV (PL_defgv) = coro->args; coro->args = 0;
636
637	Zero (&myop, 1, LOGOP);	630	Zero (&myop, 1, LOGOP);
638	myop.op_next = Nullop;	631	myop.op_next = Nullop;
639	myop.op_flags = OPf_WANT_VOID;	632	myop.op_flags = OPf_WANT_VOID;
640		633
641	PUSHMARK (SP);	634	PUSHMARK (SP);
642	XPUSHs (av_shift (GvAV (PL_defgv)));	635	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
643	PUTBACK;	636	PUTBACK;
644	PL_op = (OP *)&myop;	637	PL_op = (OP *)&myop;
645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	638	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
646	SPAGAIN;	639	SPAGAIN;
647	}	640	}
		641	}
648		642
649	ENTER; /* necessary e.g. for dounwind */	643	static void
		644	coro_destroy (pTHX_ struct coro *coro)
		645	{
		646	if (!IN_DESTRUCT)
		647	{
		648	/* restore all saved variables and stuff */
		649	LEAVE_SCOPE (0);
		650	assert (PL_tmps_floor == -1);
		651
		652	/* free all temporaries */
		653	FREETMPS;
		654	assert (PL_tmps_ix == -1);
		655
		656	/* unwind all extra stacks */
		657	POPSTACK_TO (PL_mainstack);
		658
		659	/* unwind main stack */
		660	dounwind (-1);
		661	}
		662
		663	SvREFCNT_dec (GvSV (PL_defgv));
		664	SvREFCNT_dec (GvAV (PL_defgv));
		665	SvREFCNT_dec (GvSV (PL_errgv));
		666	SvREFCNT_dec (PL_defoutgv);
		667	SvREFCNT_dec (PL_rs);
		668	SvREFCNT_dec (GvSV (irsgv));
		669
		670	SvREFCNT_dec (coro->saved_deffh);
		671	//SvREFCNT_dec (coro->throw);
		672
		673	coro_destroy_stacks (aTHX);
650	}	674	}
651		675
652	static void	676	static void
653	free_coro_mortal (pTHX)	677	free_coro_mortal (pTHX)
654	{	678	{
655	if (coro_mortal)	679	if (expect_true (coro_mortal))
656	{	680	{
657	SvREFCNT_dec (coro_mortal);	681	SvREFCNT_dec (coro_mortal);
658	coro_mortal = 0;	682	coro_mortal = 0;
659	}	683	}
660	}	684	}
…		…
669		693
670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	694	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671	{	695	{
672	PERL_ASYNC_CHECK ();	696	PERL_ASYNC_CHECK ();
673		697
674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	698	if (cctx->flags & CC_TRACE_ALL)
675	{	699	{
676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	700	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
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	{	701	{
		702	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		703	SV bot, top;
		704	AV av = newAV (); / return values */
720	SV **cb;	705	SV **cb;
721	runops_proc_t old_runops = PL_runops;
722	dSP;	706	dSP;
		707
		708	GV *gv = CvGV (cx->blk_sub.cv);
		709	SV *fullname = sv_2mortal (newSV (0));
		710	if (isGV (gv))
		711	gv_efullname3 (fullname, gv, 0);
		712
		713	bot = PL_stack_base + cx->blk_oldsp + 1;
		714	top = cx->blk_gimme == G_ARRAY ? SP + 1
		715	: cx->blk_gimme == G_SCALAR ? bot + 1
		716	: bot;
		717
		718	av_extend (av, top - bot);
		719	while (bot < top)
		720	av_push (av, SvREFCNT_inc (*bot++));
		721
		722	PL_runops = RUNOPS_DEFAULT;
723	ENTER;	723	ENTER;
724	SAVETMPS;	724	SAVETMPS;
725	EXTEND (SP, 3);	725	EXTEND (SP, 3);
726	PL_runops = RUNOPS_DEFAULT;	726	PUSHMARK (SP);
		727	PUSHs (&PL_sv_no);
		728	PUSHs (fullname);
		729	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		730	PUTBACK;
		731	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		732	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		733	SPAGAIN;
		734	FREETMPS;
		735	LEAVE;
		736	PL_runops = runops_trace;
		737	}
727		738
728	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	739	if (oldcop != PL_curcop)
		740	{
		741	oldcop = PL_curcop;
		742
		743	if (PL_curcop != &PL_compiling)
729	{	744	{
730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	745	SV **cb;
731		746
732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	747	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
733	{	748	{
		749	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		750
		751	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		752	{
		753	runops_proc_t old_runops = PL_runops;
		754	dSP;
734	GV *gv = CvGV (cx->blk_sub.cv);	755	GV *gv = CvGV (cx->blk_sub.cv);
735	SV *fullname = sv_2mortal (newSV (0));	756	SV *fullname = sv_2mortal (newSV (0));
		757
736	if (isGV (gv))	758	if (isGV (gv))
737	gv_efullname3 (fullname, gv, 0);	759	gv_efullname3 (fullname, gv, 0);
738		760
		761	PL_runops = RUNOPS_DEFAULT;
		762	ENTER;
		763	SAVETMPS;
		764	EXTEND (SP, 3);
		765	PUSHMARK (SP);
		766	PUSHs (&PL_sv_yes);
		767	PUSHs (fullname);
		768	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		769	PUTBACK;
		770	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		771	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		772	SPAGAIN;
		773	FREETMPS;
		774	LEAVE;
		775	PL_runops = runops_trace;
		776	}
		777
		778	oldcxix = cxstack_ix;
		779	}
		780
		781	if (cctx->flags & CC_TRACE_LINE)
		782	{
		783	dSP;
		784
		785	PL_runops = RUNOPS_DEFAULT;
		786	ENTER;
		787	SAVETMPS;
		788	EXTEND (SP, 3);
		789	PL_runops = RUNOPS_DEFAULT;
739	PUSHMARK (SP);	790	PUSHMARK (SP);
740	PUSHs (&PL_sv_yes);	791	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
741	PUSHs (fullname);	792	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
742	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
743	PUTBACK;	793	PUTBACK;
744	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	794	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
745	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	795	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
746	SPAGAIN;	796	SPAGAIN;
		797	FREETMPS;
		798	LEAVE;
		799	PL_runops = runops_trace;
747	}	800	}
748
749	oldcxix = cxstack_ix;
750	}	801	}
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	}	802	}
767	}	803	}
768	}	804	}
769		805
770	TAINT_NOT;	806	TAINT_NOT;
…		…
899	Safefree (cctx->sptr);	935	Safefree (cctx->sptr);
900		936
901	Safefree (cctx);	937	Safefree (cctx);
902	}	938	}
903		939
		940	/* wether this cctx should be destructed */
		941	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		942
904	static coro_cctx *	943	static coro_cctx *
905	cctx_get (pTHX)	944	cctx_get (pTHX)
906	{	945	{
907	while (cctx_first)	946	while (expect_true (cctx_first))
908	{	947	{
909	coro_cctx *cctx = cctx_first;	948	coro_cctx *cctx = cctx_first;
910	cctx_first = cctx->next;	949	cctx_first = cctx->next;
911	--cctx_idle;	950	--cctx_idle;
912		951
913	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	952	if (expect_true (!CCTX_EXPIRED (cctx)))
914	return cctx;	953	return cctx;
915		954
916	cctx_destroy (cctx);	955	cctx_destroy (cctx);
917	}	956	}
918		957
…		…
921		960
922	static void	961	static void
923	cctx_put (coro_cctx *cctx)	962	cctx_put (coro_cctx *cctx)
924	{	963	{
925	/* free another cctx if overlimit */	964	/* free another cctx if overlimit */
926	if (cctx_idle >= MAX_IDLE_CCTX)	965	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
927	{	966	{
928	coro_cctx *first = cctx_first;	967	coro_cctx *first = cctx_first;
929	cctx_first = first->next;	968	cctx_first = first->next;
930	--cctx_idle;	969	--cctx_idle;
931		970
…		…
937	cctx_first = cctx;	976	cctx_first = cctx;
938	}	977	}
939		978
940	/ coroutine switching ***************************************************/	979	/ coroutine switching ***************************************************/
941		980
942	static void NOINLINE	981	static void
943	transfer_check (pTHX_ struct coro prev, struct coro next)	982	transfer_check (pTHX_ struct coro prev, struct coro next)
944	{	983	{
945	if (prev != next)	984	if (expect_true (prev != next))
946	{	985	{
947	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	986	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
948	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	987	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
949		988
950	if (next->flags & CF_RUNNING)	989	if (expect_false (next->flags & CF_RUNNING))
951	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	990	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
952		991
953	if (next->flags & CF_DESTROYED)	992	if (expect_false (next->flags & CF_DESTROYED))
954	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	993	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
955		994
956	if (PL_lex_state != LEX_NOTPARSING)	995	if (expect_false (PL_lex_state != LEX_NOTPARSING))
957	croak ("Coro::State::transfer called while parsing, but this is not supported");	996	croak ("Coro::State::transfer called while parsing, but this is not supported");
958	}	997	}
959	}	998	}
960		999
961	/* always use the TRANSFER macro */	1000	/* always use the TRANSFER macro */
…		…
963	transfer (pTHX_ struct coro prev, struct coro next)	1002	transfer (pTHX_ struct coro prev, struct coro next)
964	{	1003	{
965	dSTACKLEVEL;	1004	dSTACKLEVEL;
966		1005
967	/* sometimes transfer is only called to set idle_sp */	1006	/* sometimes transfer is only called to set idle_sp */
968	if (!next)	1007	if (expect_false (!next))
969	{	1008	{
970	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1009	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
971	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1010	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
972	}	1011	}
973	else if (prev != next)	1012	else if (expect_true (prev != next))
974	{	1013	{
975	coro_cctx *prev__cctx;	1014	coro_cctx *prev__cctx;
976		1015
977	if (prev->flags & CF_NEW)	1016	if (expect_false (prev->flags & CF_NEW))
978	{	1017	{
979	/* create a new empty context */	1018	/* create a new empty context */
980	Newz (0, prev->cctx, 1, coro_cctx);	1019	Newz (0, prev->cctx, 1, coro_cctx);
981	prev->flags &= ~CF_NEW;	1020	prev->flags &= ~CF_NEW;
982	prev->flags \|= CF_RUNNING;	1021	prev->flags \|= CF_RUNNING;
…		…
985	prev->flags &= ~CF_RUNNING;	1024	prev->flags &= ~CF_RUNNING;
986	next->flags \|= CF_RUNNING;	1025	next->flags \|= CF_RUNNING;
987		1026
988	LOCK;	1027	LOCK;
989		1028
990	if (next->flags & CF_NEW)	1029	if (expect_false (next->flags & CF_NEW))
991	{	1030	{
992	/* need to start coroutine */	1031	/* need to start coroutine */
993	next->flags &= ~CF_NEW;	1032	next->flags &= ~CF_NEW;
994	/* first get rid of the old state */	1033	/* first get rid of the old state */
995	save_perl (aTHX_ prev);	1034	save_perl (aTHX_ prev);
996	/* setup coroutine call */	1035	/* setup coroutine call */
997	setup_coro (aTHX_ next);	1036	coro_setup (aTHX_ next);
998	}	1037	}
999	else	1038	else
1000	{	1039	{
1001	/* coroutine already started */	1040	/* coroutine already started */
1002	save_perl (aTHX_ prev);	1041	save_perl (aTHX_ prev);
…		…
1004	}	1043	}
1005		1044
1006	prev__cctx = prev->cctx;	1045	prev__cctx = prev->cctx;
1007		1046
1008	/* possibly "free" the cctx */	1047	/* possibly "free" the cctx */
1009	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1048	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1010	{	1049	{
1011	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1050	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1012	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1051	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1013		1052
1014	prev->cctx = 0;	1053	prev->cctx = 0;
1015		1054
		1055	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1056	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1057	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1058	next->cctx = cctx_get (aTHX);
		1059
1016	cctx_put (prev__cctx);	1060	cctx_put (prev__cctx);
1017	}	1061	}
1018		1062
		1063	++next->usecount;
		1064
1019	if (!next->cctx)	1065	if (expect_true (!next->cctx))
1020	next->cctx = cctx_get (aTHX);	1066	next->cctx = cctx_get (aTHX);
1021		1067
1022	if (prev__cctx != next->cctx)	1068	if (expect_false (prev__cctx != next->cctx))
1023	{	1069	{
1024	prev__cctx->top_env = PL_top_env;	1070	prev__cctx->top_env = PL_top_env;
1025	PL_top_env = next->cctx->top_env;	1071	PL_top_env = next->cctx->top_env;
1026	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1072	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1027	}	1073	}
…		…
1062		1108
1063	if (coro->mainstack && coro->mainstack != main_mainstack)	1109	if (coro->mainstack && coro->mainstack != main_mainstack)
1064	{	1110	{
1065	struct coro temp;	1111	struct coro temp;
1066		1112
1067	assert (!(coro->flags & CF_RUNNING));
1068
1069	Zero (&temp, 1, struct coro);
1070	temp.save = CORO_SAVE_ALL;
1071
1072	if (coro->flags & CF_RUNNING)	1113	if (coro->flags & CF_RUNNING)
1073	croak ("FATAL: tried to destroy currently running coroutine");	1114	croak ("FATAL: tried to destroy currently running coroutine");
1074		1115
1075	save_perl (aTHX_ &temp);	1116	save_perl (aTHX_ &temp);
1076	load_perl (aTHX_ coro);	1117	load_perl (aTHX_ coro);
1077		1118
1078	coro_destroy_stacks (aTHX);	1119	coro_destroy (aTHX_ coro);
1079		1120
1080	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1121	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
1081		1122
1082	coro->mainstack = 0;	1123	coro->mainstack = 0;
1083	}	1124	}
…		…
1146		1187
1147	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1188	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1148	TRANSFER (ta);	1189	TRANSFER (ta);
1149	}	1190	}
1150		1191
1151	static int
1152	api_save (SV *coro_sv, int new_save)
1153	{
1154	dTHX;
1155	struct coro *coro = SvSTATE (coro_sv);
1156	int old_save = coro->save;
1157
1158	if (new_save >= 0)
1159	coro->save = new_save;
1160
1161	return old_save;
1162	}
1163
1164	/ Coro ******************************************************************/	1192	/ Coro ******************************************************************/
1165		1193
1166	static void	1194	static void
1167	coro_enq (pTHX_ SV *coro_sv)	1195	coro_enq (pTHX_ SV *coro_sv)
1168	{	1196	{
…		…
1225	{	1253	{
1226	LOCK;	1254	LOCK;
1227	next_sv = coro_deq (aTHX_ PRIO_MIN);	1255	next_sv = coro_deq (aTHX_ PRIO_MIN);
1228		1256
1229	/* nothing to schedule: call the idle handler */	1257	/* nothing to schedule: call the idle handler */
1230	if (!next_sv)	1258	if (expect_false (!next_sv))
1231	{	1259	{
1232	dSP;	1260	dSP;
1233	UNLOCK;	1261	UNLOCK;
1234		1262
1235	ENTER;	1263	ENTER;
…		…
1245	}	1273	}
1246		1274
1247	ta->next = SvSTATE (next_sv);	1275	ta->next = SvSTATE (next_sv);
1248		1276
1249	/* cannot transfer to destroyed coros, skip and look for next */	1277	/* cannot transfer to destroyed coros, skip and look for next */
1250	if (ta->next->flags & CF_DESTROYED)	1278	if (expect_false (ta->next->flags & CF_DESTROYED))
1251	{	1279	{
1252	UNLOCK;	1280	UNLOCK;
1253	SvREFCNT_dec (next_sv);	1281	SvREFCNT_dec (next_sv);
1254	/* coro_nready is already taken care of by destroy */	1282	/* coro_nready is already taken care of by destroy */
1255	continue;	1283	continue;
…		…
1311	dTHX;	1339	dTHX;
1312	struct transfer_args ta;	1340	struct transfer_args ta;
1313		1341
1314	prepare_cede (aTHX_ &ta);	1342	prepare_cede (aTHX_ &ta);
1315		1343
1316	if (ta.prev != ta.next)	1344	if (expect_true (ta.prev != ta.next))
1317	{	1345	{
1318	TRANSFER (ta);	1346	TRANSFER (ta);
1319	return 1;	1347	return 1;
1320	}	1348	}
1321	else	1349	else
…		…
1335	}	1363	}
1336	else	1364	else
1337	return 0;	1365	return 0;
1338	}	1366	}
1339		1367
		1368	static void
		1369	api_trace (SV *coro_sv, int flags)
		1370	{
		1371	dTHX;
		1372	struct coro *coro = SvSTATE (coro_sv);
		1373
		1374	if (flags & CC_TRACE)
		1375	{
		1376	if (!coro->cctx)
		1377	coro->cctx = cctx_new ();
		1378	else if (!(coro->cctx->flags & CC_TRACE))
		1379	croak ("cannot enable tracing on coroutine with custom stack");
		1380
		1381	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1382	}
		1383	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1384	{
		1385	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1386
		1387	if (coro->flags & CF_RUNNING)
		1388	PL_runops = RUNOPS_DEFAULT;
		1389	else
		1390	coro->runops = RUNOPS_DEFAULT;
		1391	}
		1392	}
		1393
1340	MODULE = Coro::State PACKAGE = Coro::State	1394	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1341		1395
1342	PROTOTYPES: DISABLE	1396	PROTOTYPES: DISABLE
1343		1397
1344	BOOT:	1398	BOOT:
1345	{	1399	{
1346	#ifdef USE_ITHREADS	1400	#ifdef USE_ITHREADS
1347	MUTEX_INIT (&coro_mutex);	1401	MUTEX_INIT (&coro_mutex);
1348	#endif	1402	#endif
1349	BOOT_PAGESIZE;	1403	BOOT_PAGESIZE;
		1404
		1405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1350		1407
1351	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1408	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1352		1409
1353	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1410	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1354	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1411	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1355	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1412	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1356	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1413	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1357		1414
1358	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1359	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1360	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1361	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1362	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1363	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1364	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1365
1366	main_mainstack = PL_mainstack;	1415	main_mainstack = PL_mainstack;
1367	main_top_env = PL_top_env;	1416	main_top_env = PL_top_env;
1368		1417
1369	while (main_top_env->je_prev)	1418	while (main_top_env->je_prev)
1370	main_top_env = main_top_env->je_prev;	1419	main_top_env = main_top_env->je_prev;
…		…
1382	struct coro *coro;	1431	struct coro *coro;
1383	HV *hv;	1432	HV *hv;
1384	int i;	1433	int i;
1385		1434
1386	Newz (0, coro, 1, struct coro);	1435	Newz (0, coro, 1, struct coro);
1387	coro->args = newAV ();	1436	coro->args = newAV ();
1388	coro->save = CORO_SAVE_DEF;
1389	coro->flags = CF_NEW;	1437	coro->flags = CF_NEW;
1390		1438
1391	if (coro_first) coro_first->prev = coro;	1439	if (coro_first) coro_first->prev = coro;
1392	coro->next = coro_first;	1440	coro->next = coro_first;
1393	coro_first = coro;	1441	coro_first = coro;
1394		1442
1395	coro->hv = hv = newHV ();	1443	coro->hv = hv = newHV ();
1396	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1444	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1397	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1445	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1398		1446
		1447	av_extend (coro->args, items - 1);
1399	for (i = 1; i < items; i++)	1448	for (i = 1; i < items; i++)
1400	av_push (coro->args, newSVsv (ST (i)));	1449	av_push (coro->args, newSVsv (ST (i)));
1401	}	1450	}
1402	OUTPUT:	1451	OUTPUT:
1403	RETVAL	1452	RETVAL
1404		1453
1405	int	1454	# these not obviously related functions are all rolled into the same xs
1406	save (SV *coro, int new_save = -1)	1455	# function to increase chances that they all will call transfer with the same
1407	CODE:	1456	# stack offset
1408	RETVAL = api_save (coro, new_save);
1409	OUTPUT:
1410	RETVAL
1411
1412	int
1413	save_also (SV *coro_sv, int save_also)
1414	CODE:
1415	{
1416	struct coro *coro = SvSTATE (coro_sv);
1417	RETVAL = coro->save;
1418	coro->save \|= save_also;
1419	}
1420	OUTPUT:
1421	RETVAL
1422
1423	void	1457	void
1424	_set_stacklevel (...)	1458	_set_stacklevel (...)
1425	ALIAS:	1459	ALIAS:
1426	Coro::State::transfer = 1	1460	Coro::State::transfer = 1
1427	Coro::schedule = 2	1461	Coro::schedule = 2
…		…
1461	}	1495	}
1462		1496
1463	BARRIER;	1497	BARRIER;
1464	TRANSFER (ta);	1498	TRANSFER (ta);
1465		1499
1466	if (GIMME_V != G_VOID && ta.next != ta.prev)	1500	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1467	XSRETURN_YES;	1501	XSRETURN_YES;
1468	}	1502	}
1469		1503
1470	bool	1504	bool
1471	_destroy (SV *coro_sv)	1505	_destroy (SV *coro_sv)
…		…
1522	{	1556	{
1523	if (coro->mainstack)	1557	if (coro->mainstack)
1524	{	1558	{
1525	struct coro temp;	1559	struct coro temp;
1526	Zero (&temp, 1, struct coro);	1560	Zero (&temp, 1, struct coro);
1527	temp.save = CORO_SAVE_ALL;
1528		1561
1529	if (!(coro->flags & CF_RUNNING))	1562	if (!(coro->flags & CF_RUNNING))
1530	{	1563	{
1531	save_perl (aTHX_ &temp);	1564	save_perl (aTHX_ &temp);
1532	load_perl (aTHX_ coro);	1565	load_perl (aTHX_ coro);
…		…
1553	save_perl (aTHX_ coro);	1586	save_perl (aTHX_ coro);
1554	load_perl (aTHX_ &temp);	1587	load_perl (aTHX_ &temp);
1555	}	1588	}
1556	}	1589	}
1557	}	1590	}
1558		1591
1559	SV *	1592	SV *
1560	is_ready (Coro::State coro)	1593	is_ready (Coro::State coro)
1561	PROTOTYPE: $	1594	PROTOTYPE: $
1562	ALIAS:	1595	ALIAS:
1563	is_ready = CF_READY	1596	is_ready = CF_READY
…		…
1568	RETVAL = boolSV (coro->flags & ix);	1601	RETVAL = boolSV (coro->flags & ix);
1569	OUTPUT:	1602	OUTPUT:
1570	RETVAL	1603	RETVAL
1571		1604
1572	void	1605	void
1573	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1606	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1574	CODE:
1575	if (flags & CC_TRACE)
1576	{
1577	if (!coro->cctx)
1578	coro->cctx = cctx_new ();
1579	else if (!(coro->cctx->flags & CC_TRACE))
1580	croak ("cannot enable tracing on coroutine with custom stack");
1581
1582	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1583	}
1584	else
1585	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1586	{
1587	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1588	coro->cctx->flags \|= CC_NOREUSE;
1589
1590	if (coro->flags & CF_RUNNING)
1591	PL_runops = RUNOPS_DEFAULT;
1592	else
1593	coro->runops = RUNOPS_DEFAULT;
1594	}
1595		1607
1596	SV *	1608	SV *
1597	has_stack (Coro::State coro)	1609	has_stack (Coro::State coro)
1598	PROTOTYPE: $	1610	PROTOTYPE: $
1599	CODE:	1611	CODE:
…		…
1610	RETVAL	1622	RETVAL
1611		1623
1612	IV	1624	IV
1613	rss (Coro::State coro)	1625	rss (Coro::State coro)
1614	PROTOTYPE: $	1626	PROTOTYPE: $
		1627	ALIAS:
		1628	usecount = 1
1615	CODE:	1629	CODE:
		1630	switch (ix)
		1631	{
1616	RETVAL = coro_rss (aTHX_ coro);	1632	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1633	case 1: RETVAL = coro->usecount; break;
		1634	}
1617	OUTPUT:	1635	OUTPUT:
1618	RETVAL	1636	RETVAL
1619		1637
1620		1638
1621	MODULE = Coro::State PACKAGE = Coro	1639	MODULE = Coro::State PACKAGE = Coro
…		…
1626		1644
1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1645	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1646	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1629	av_async_pool = get_av ("Coro::async_pool", TRUE);	1647	av_async_pool = get_av ("Coro::async_pool", TRUE);
1630		1648
1631	coro_current = get_sv ("Coro::current", FALSE);	1649	coro_current = get_sv ("Coro::current", FALSE);
1632	SvREADONLY_on (coro_current);	1650	SvREADONLY_on (coro_current);
1633		1651
1634	coro_stash = gv_stashpv ("Coro", TRUE);	1652	coro_stash = gv_stashpv ("Coro", TRUE);
1635		1653
1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1654	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1645		1663
1646	{	1664	{
1647	SV *sv = perl_get_sv("Coro::API", 1);	1665	SV *sv = perl_get_sv("Coro::API", 1);
1648		1666
1649	coroapi.schedule = api_schedule;	1667	coroapi.schedule = api_schedule;
1650	coroapi.save = api_save;
1651	coroapi.cede = api_cede;	1668	coroapi.cede = api_cede;
1652	coroapi.cede_notself = api_cede_notself;	1669	coroapi.cede_notself = api_cede_notself;
1653	coroapi.ready = api_ready;	1670	coroapi.ready = api_ready;
1654	coroapi.is_ready = api_is_ready;	1671	coroapi.is_ready = api_is_ready;
1655	coroapi.nready = &coro_nready;	1672	coroapi.nready = &coro_nready;
…		…
1709	# for async_pool speedup	1726	# for async_pool speedup
1710	void	1727	void
1711	_pool_1 (SV *cb)	1728	_pool_1 (SV *cb)
1712	CODE:	1729	CODE:
1713	{	1730	{
1714	int i, len;	1731	struct coro *coro = SvSTATE (coro_current);
1715	HV hv = (HV )SvRV (coro_current);	1732	HV hv = (HV )SvRV (coro_current);
1716	AV *defav = GvAV (PL_defgv);	1733	AV *defav = GvAV (PL_defgv);
1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1734	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1718	AV *invoke_av;	1735	AV *invoke_av;
		1736	int i, len;
1719		1737
1720	if (!invoke)	1738	if (!invoke)
1721	croak ("\3terminate\2\n");	1739	croak ("\3terminate\2\n");
		1740
		1741	SvREFCNT_dec (coro->saved_deffh);
		1742	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1722		1743
1723	hv_store (hv, "desc", sizeof ("desc") - 1,	1744	hv_store (hv, "desc", sizeof ("desc") - 1,
1724	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1745	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1725		1746
1726	invoke_av = (AV *)SvRV (invoke);	1747	invoke_av = (AV *)SvRV (invoke);
…		…
1744	{	1765	{
1745	struct coro *coro = SvSTATE (coro_current);	1766	struct coro *coro = SvSTATE (coro_current);
1746		1767
1747	sv_setsv (cb, &PL_sv_undef);	1768	sv_setsv (cb, &PL_sv_undef);
1748		1769
		1770	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1771	coro->saved_deffh = 0;
		1772
1749	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1773	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1750	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1774	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1751	croak ("\3terminate\2\n");	1775	croak ("\3terminate\2\n");
1752		1776
1753	av_clear (GvAV (PL_defgv));	1777	av_clear (GvAV (PL_defgv));
1754	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1778	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1755	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1779	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1756	coro->save = CORO_SAVE_DEF;	1780
1757	coro->prio = 0;	1781	coro->prio = 0;
		1782
		1783	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1784	api_trace (coro_current, 0);
		1785
1758	av_push (av_async_pool, newSVsv (coro_current));	1786	av_push (av_async_pool, newSVsv (coro_current));
1759	}	1787	}
1760		1788
1761		1789
1762	MODULE = Coro::State PACKAGE = Coro::AIO	1790	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.171 by root, Sat Sep 29 19:42:10 2007 UTC vs. Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.171 by root, Sat Sep 29 19:42:10 2007 UTC vs.
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC