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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.165 by root, Wed Sep 26 19:26:48 2007 UTC vs.
Revision 1.195 by root, Sat Oct 6 00:35:41 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
…		…
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 */
136		149
		150	static GV irsgv; / $/ */
		151	static GV stdoutgv; / STDOUT /
		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;
141		157
142	static struct coro_cctx *cctx_first;	158	static struct coro_cctx *cctx_first;
143	static int cctx_count, cctx_idle;	159	static int cctx_count, cctx_idle;
144		160
145	enum {	161	enum {
146	CC_MAPPED = 0x01,	162	CC_MAPPED = 0x01,
147	CC_TRACE = 0x02,
148	CC_NOREUSE = 0x04, /* throw this away after tracing */	163	CC_NOREUSE = 0x02, /* throw this away after tracing */
		164	CC_TRACE = 0x04,
		165	CC_TRACE_SUB = 0x08, /* trace sub calls */
		166	CC_TRACE_LINE = 0x10, /* trace each statement */
		167	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
149	};	168	};
150		169
151	/* this is a structure representing a c-level coroutine */	170	/* this is a structure representing a c-level coroutine */
152	typedef struct coro_cctx {	171	typedef struct coro_cctx {
153	struct coro_cctx *next;	172	struct coro_cctx *next;
…		…
181	coro_cctx *cctx;	200	coro_cctx *cctx;
182		201
183	/* data associated with this coroutine (initial args) */	202	/* data associated with this coroutine (initial args) */
184	AV *args;	203	AV *args;
185	int refcnt;	204	int refcnt;
186	int save; /* CORO_SAVE flags */
187	int flags; /* CF_ flags */	205	int flags; /* CF_ flags */
188		206
189	/* optionally saved, might be zero */	207	/* optionally saved, might be zero */
190	AV defav; / @_ */	208	AV defav; / @_ */
191	SV defsv; / $_ */	209	SV defsv; / $_ */
192	SV errsv; / $@ */	210	SV errsv; / $@ */
193	GV deffh; / default filehandle */	211	SV deffh; / default filehandle */
194	SV irssv; / $/ */	212	SV irssv; / $/ */
195	SV irssv_sv; / real $/ cache */	213	SV irssv_sv; / real $/ cache */
196		214
197	#define VAR(name,type) type name;	215	#define VAR(name,type) type name;
198	# include "state.h"	216	# include "state.h"
199	#undef VAR	217	#undef VAR
200		218
		219	/* statistics */
		220	int usecount; /* number of transfers to this coro */
		221
201	/* coro process data */	222	/* coro process data */
202	int prio;	223	int prio;
		224	//SV *throw;
		225
		226	/* async_pool */
		227	SV *saved_deffh;
203		228
204	/* linked list */	229	/* linked list */
205	struct coro next, prev;	230	struct coro next, prev;
206	HV hv; / the perl hash associated with this coro, if any */	231	HV hv; / the perl hash associated with this coro, if any */
207	};	232	};
…		…
296	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	321	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
297	? SvMAGIC (cv) \	322	? SvMAGIC (cv) \
298	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	323	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
299	: 0	324	: 0
300		325
		326	static struct coro *
		327	SvSTATE_ (pTHX_ SV *coro)
		328	{
		329	HV *stash;
		330	MAGIC *mg;
		331
		332	if (SvROK (coro))
		333	coro = SvRV (coro);
		334
		335	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		336	croak ("Coro::State object required");
		337
		338	stash = SvSTASH (coro);
		339	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		340	{
		341	/* very slow, but rare, check */
		342	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		343	croak ("Coro::State object required");
		344	}
		345
		346	mg = CORO_MAGIC (coro);
		347	return (struct coro *)mg->mg_ptr;
		348	}
		349
		350	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		351
301	/* the next two functions merely cache the padlists */	352	/* the next two functions merely cache the padlists */
302	static void	353	static void
303	get_padlist (pTHX_ CV *cv)	354	get_padlist (pTHX_ CV *cv)
304	{	355	{
305	MAGIC *mg = CORO_MAGIC (cv);	356	MAGIC *mg = CORO_MAGIC (cv);
306	AV *av;	357	AV *av;
307		358
308	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	359	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
309	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	360	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
310	else	361	else
311	{	362	{
312	#if CORO_PREFER_PERL_FUNCTIONS	363	#if CORO_PREFER_PERL_FUNCTIONS
313	/* this is probably cleaner, but also slower? */	364	/* this is probably cleaner, but also slower? */
…		…
325	put_padlist (pTHX_ CV *cv)	376	put_padlist (pTHX_ CV *cv)
326	{	377	{
327	MAGIC *mg = CORO_MAGIC (cv);	378	MAGIC *mg = CORO_MAGIC (cv);
328	AV *av;	379	AV *av;
329		380
330	if (!mg)	381	if (expect_false (!mg))
331	{	382	{
332	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	383	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
333	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	384	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
334	mg->mg_virtual = &vtbl_coro;	385	mg->mg_virtual = &vtbl_coro;
335	mg->mg_obj = (SV *)newAV ();	386	mg->mg_obj = (SV *)newAV ();
336	}	387	}
337		388
338	av = (AV *)mg->mg_obj;	389	av = (AV *)mg->mg_obj;
339		390
340	if (AvFILLp (av) >= AvMAX (av))	391	if (expect_false (AvFILLp (av) >= AvMAX (av)))
341	av_extend (av, AvMAX (av) + 1);	392	av_extend (av, AvMAX (av) + 1);
342		393
343	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	394	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
344	}	395	}
345		396
346	/ load & save, init *****************************************************/	397	/ load & save, init *****************************************************/
347
348	#define SB do {
349	#define SE } while (0)
350
351	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
352		398
353	static void	399	static void
354	load_perl (pTHX_ Coro__State c)	400	load_perl (pTHX_ Coro__State c)
355	{	401	{
356	#define VAR(name,type) PL_ ## name = c->name;	402	#define VAR(name,type) PL_ ## name = c->name;
357	# include "state.h"	403	# include "state.h"
358	#undef VAR	404	#undef VAR
359		405
360	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	406	GvSV (PL_defgv) = c->defsv;
361	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	407	GvAV (PL_defgv) = c->defav;
362	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	408	GvSV (PL_errgv) = c->errsv;
363	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	409	GvSV (irsgv) = c->irssv_sv;
364
365	if (c->irssv)
366	{
367	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
368	{
369	SvREFCNT_dec (c->irssv);
370	c->irssv = 0;
371	}
372	else
373	{
374	REPLACE_SV (PL_rs, c->irssv);
375	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
376	sv_setsv (c->irssv_sv, PL_rs);
377	}
378	}
379		410
380	{	411	{
381	dSP;	412	dSP;
382	CV *cv;	413	CV *cv;
383		414
384	/* now do the ugly restore mess */	415	/* now do the ugly restore mess */
385	while ((cv = (CV *)POPs))	416	while (expect_true (cv = (CV *)POPs))
386	{	417	{
387	put_padlist (aTHX_ cv); /* mark this padlist as available */	418	put_padlist (aTHX_ cv); /* mark this padlist as available */
388	CvDEPTH (cv) = PTR2IV (POPs);	419	CvDEPTH (cv) = PTR2IV (POPs);
389	CvPADLIST (cv) = (AV *)POPs;	420	CvPADLIST (cv) = (AV *)POPs;
390	}	421	}
…		…
409		440
410	XPUSHs (Nullsv);	441	XPUSHs (Nullsv);
411	/* this loop was inspired by pp_caller */	442	/* this loop was inspired by pp_caller */
412	for (;;)	443	for (;;)
413	{	444	{
414	while (cxix >= 0)	445	while (expect_true (cxix >= 0))
415	{	446	{
416	PERL_CONTEXT *cx = &ccstk[cxix--];	447	PERL_CONTEXT *cx = &ccstk[cxix--];
417		448
418	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	449	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
419	{	450	{
420	CV *cv = cx->blk_sub.cv;	451	CV *cv = cx->blk_sub.cv;
421		452
422	if (CvDEPTH (cv))	453	if (expect_true (CvDEPTH (cv)))
423	{	454	{
424	EXTEND (SP, 3);	455	EXTEND (SP, 3);
425	PUSHs ((SV *)CvPADLIST (cv));	456	PUSHs ((SV *)CvPADLIST (cv));
426	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	457	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
427	PUSHs ((SV *)cv);	458	PUSHs ((SV *)cv);
…		…
430	get_padlist (aTHX_ cv);	461	get_padlist (aTHX_ cv);
431	}	462	}
432	}	463	}
433	}	464	}
434		465
435	if (top_si->si_type == PERLSI_MAIN)	466	if (expect_true (top_si->si_type == PERLSI_MAIN))
436	break;	467	break;
437		468
438	top_si = top_si->si_prev;	469	top_si = top_si->si_prev;
439	ccstk = top_si->si_cxstack;	470	ccstk = top_si->si_cxstack;
440	cxix = top_si->si_cxix;	471	cxix = top_si->si_cxix;
441	}	472	}
442		473
443	PUTBACK;	474	PUTBACK;
444	}	475	}
445		476
446	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	477	c->defav = GvAV (PL_defgv);
447	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	478	c->defsv = DEFSV;
448	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	479	c->errsv = ERRSV;
449	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	480	c->irssv_sv = GvSV (irsgv);
450	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
451		481
452	#define VAR(name,type)c->name = PL_ ## name;	482	#define VAR(name,type)c->name = PL_ ## name;
453	# include "state.h"	483	# include "state.h"
454	#undef VAR	484	#undef VAR
455	}	485	}
…		…
508	* destroy the stacks, the callchain etc...	538	* destroy the stacks, the callchain etc...
509	*/	539	*/
510	static void	540	static void
511	coro_destroy_stacks (pTHX)	541	coro_destroy_stacks (pTHX)
512	{	542	{
513	if (!IN_DESTRUCT)
514	{
515	/* restore all saved variables and stuff */
516	LEAVE_SCOPE (0);
517	assert (PL_tmps_floor == -1);
518
519	/* free all temporaries */
520	FREETMPS;
521	assert (PL_tmps_ix == -1);
522
523	/* unwind all extra stacks */
524	POPSTACK_TO (PL_mainstack);
525
526	/* unwind main stack */
527	dounwind (-1);
528	}
529
530	while (PL_curstackinfo->si_next)	543	while (PL_curstackinfo->si_next)
531	PL_curstackinfo = PL_curstackinfo->si_next;	544	PL_curstackinfo = PL_curstackinfo->si_next;
532		545
533	while (PL_curstackinfo)	546	while (PL_curstackinfo)
534	{	547	{
…		…
550	Safefree (PL_retstack);	563	Safefree (PL_retstack);
551	#endif	564	#endif
552	}	565	}
553		566
554	static size_t	567	static size_t
555	coro_rss (struct coro *coro)	568	coro_rss (pTHX_ struct coro *coro)
556	{	569	{
557	size_t rss = sizeof (coro);	570	size_t rss = sizeof (*coro);
558		571
559	if (coro->mainstack)	572	if (coro->mainstack)
560	{	573	{
561	if (coro->flags & CF_RUNNING)	574	if (coro->flags & CF_RUNNING)
562	{	575	{
…		…
564	# include "state.h"	577	# include "state.h"
565	#undef VAR	578	#undef VAR
566	}	579	}
567		580
568	rss += sizeof (coro->curstackinfo);	581	rss += sizeof (coro->curstackinfo);
569	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 *);
570	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	583	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
571	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
572	rss += coro->tmps_max * sizeof (SV *);	585	rss += coro->tmps_max * sizeof (SV *);
573	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
574	rss += coro->scopestack_max * sizeof (I32);	587	rss += coro->scopestack_max * sizeof (I32);
575	rss += coro->savestack_max * sizeof (ANY);	588	rss += coro->savestack_max * sizeof (ANY);
576		589
…		…
583	}	596	}
584		597
585	/ coroutine stack handling **********************************************/	598	/ coroutine stack handling **********************************************/
586		599
587	static void	600	static void
588	setup_coro (pTHX_ struct coro *coro)	601	coro_setup (pTHX_ struct coro *coro)
589	{	602	{
590	/*	603	/*
591	* emulate part of the perl startup here.	604	* emulate part of the perl startup here.
592	*/	605	*/
593	coro_init_stacks (aTHX);	606	coro_init_stacks (aTHX);
594		607
		608	PL_runops = RUNOPS_DEFAULT;
595	PL_curcop = &PL_compiling;	609	PL_curcop = &PL_compiling;
596	PL_in_eval = EVAL_NULL;	610	PL_in_eval = EVAL_NULL;
597	PL_comppad = 0;	611	PL_comppad = 0;
598	PL_curpm = 0;	612	PL_curpm = 0;
		613	PL_curpad = 1;
599	PL_localizing = 0;	614	PL_localizing = 0;
600	PL_dirty = 0;	615	PL_dirty = 0;
601	PL_restartop = 0;	616	PL_restartop = 0;
		617
		618	GvSV (PL_defgv) = newSV (0);
		619	GvAV (PL_defgv) = coro->args; coro->args = 0;
		620	GvSV (PL_errgv) = newSV (0);
		621	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		622	PL_rs = newSVsv (GvSV (irsgv));
		623	PL_defoutgv = SvREFCNT_inc (stdoutgv);
602		624
603	{	625	{
604	dSP;	626	dSP;
605	LOGOP myop;	627	LOGOP myop;
606		628
607	SvREFCNT_dec (GvAV (PL_defgv));
608	GvAV (PL_defgv) = coro->args; coro->args = 0;
609
610	Zero (&myop, 1, LOGOP);	629	Zero (&myop, 1, LOGOP);
611	myop.op_next = Nullop;	630	myop.op_next = Nullop;
612	myop.op_flags = OPf_WANT_VOID;	631	myop.op_flags = OPf_WANT_VOID;
613		632
614	PUSHMARK (SP);	633	PUSHMARK (SP);
615	XPUSHs (av_shift (GvAV (PL_defgv)));	634	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
616	PUTBACK;	635	PUTBACK;
617	PL_op = (OP *)&myop;	636	PL_op = (OP *)&myop;
618	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	637	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
619	SPAGAIN;	638	SPAGAIN;
620	}	639	}
621		640
622	ENTER; /* necessary e.g. for dounwind */	641	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
		642	}
		643
		644	static void
		645	coro_destroy (pTHX_ struct coro *coro)
		646	{
		647	if (!IN_DESTRUCT)
		648	{
		649	/* restore all saved variables and stuff */
		650	LEAVE_SCOPE (0);
		651	assert (PL_tmps_floor == -1);
		652
		653	/* free all temporaries */
		654	FREETMPS;
		655	assert (PL_tmps_ix == -1);
		656
		657	/* unwind all extra stacks */
		658	POPSTACK_TO (PL_mainstack);
		659
		660	/* unwind main stack */
		661	dounwind (-1);
		662	}
		663
		664	SvREFCNT_dec (GvSV (PL_defgv));
		665	SvREFCNT_dec (GvAV (PL_defgv));
		666	SvREFCNT_dec (GvSV (PL_errgv));
		667	SvREFCNT_dec (PL_defoutgv);
		668	SvREFCNT_dec (PL_rs);
		669	SvREFCNT_dec (GvSV (irsgv));
		670
		671	SvREFCNT_dec (coro->saved_deffh);
		672	//SvREFCNT_dec (coro->throw);
		673
		674	coro_destroy_stacks (aTHX);
623	}	675	}
624		676
625	static void	677	static void
626	free_coro_mortal (pTHX)	678	free_coro_mortal (pTHX)
627	{	679	{
628	if (coro_mortal)	680	if (expect_true (coro_mortal))
629	{	681	{
630	SvREFCNT_dec (coro_mortal);	682	SvREFCNT_dec (coro_mortal);
631	coro_mortal = 0;	683	coro_mortal = 0;
632	}	684	}
633	}	685	}
634		686
635	static void
636	do_trace (pTHX)
637	{
638	if (PL_curcop != &PL_compiling)
639	{
640	runops_proc_t old_runops = PL_runops;
641	dSP;
642	ENTER;
643	SAVETMPS;
644	PUSHMARK (SP);
645	PUTBACK;
646	PL_runops = RUNOPS_DEFAULT;
647	call_pv ("Coro::_do_trace", G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD \| G_NOARGS);
648	PL_runops = old_runops;
649	SPAGAIN;
650	FREETMPS;
651	LEAVE;
652	PUTBACK;
653	}
654	}
655
656	static int	687	static int
657	runops_coro (pTHX)	688	runops_trace (pTHX)
658	{	689	{
659	COP *oldcop = 0;	690	COP *oldcop = 0;
		691	int oldcxix = -2;
		692	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		693	coro_cctx *cctx = coro->cctx;
660		694
661	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	695	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
662	{	696	{
663	PERL_ASYNC_CHECK ();	697	PERL_ASYNC_CHECK ();
664		698
665	if (oldcop != PL_curcop)	699	if (cctx->flags & CC_TRACE_ALL)
666	{	700	{
		701	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		702	{
		703	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		704	SV bot, top;
		705	AV av = newAV (); / return values */
		706	SV **cb;
		707	dSP;
		708
		709	GV *gv = CvGV (cx->blk_sub.cv);
		710	SV *fullname = sv_2mortal (newSV (0));
		711	if (isGV (gv))
		712	gv_efullname3 (fullname, gv, 0);
		713
		714	bot = PL_stack_base + cx->blk_oldsp + 1;
		715	top = cx->blk_gimme == G_ARRAY ? SP + 1
		716	: cx->blk_gimme == G_SCALAR ? bot + 1
		717	: bot;
		718
		719	av_extend (av, top - bot);
		720	while (bot < top)
		721	av_push (av, SvREFCNT_inc (*bot++));
		722
		723	PL_runops = RUNOPS_DEFAULT;
		724	ENTER;
		725	SAVETMPS;
		726	EXTEND (SP, 3);
		727	PUSHMARK (SP);
		728	PUSHs (&PL_sv_no);
		729	PUSHs (fullname);
		730	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		731	PUTBACK;
		732	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		733	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		734	SPAGAIN;
		735	FREETMPS;
		736	LEAVE;
		737	PL_runops = runops_trace;
		738	}
		739
		740	if (oldcop != PL_curcop)
		741	{
667	oldcop = PL_curcop;	742	oldcop = PL_curcop;
668	do_trace (aTHX);	743
		744	if (PL_curcop != &PL_compiling)
		745	{
		746	SV **cb;
		747
		748	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		749	{
		750	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		751
		752	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		753	{
		754	runops_proc_t old_runops = PL_runops;
		755	dSP;
		756	GV *gv = CvGV (cx->blk_sub.cv);
		757	SV *fullname = sv_2mortal (newSV (0));
		758
		759	if (isGV (gv))
		760	gv_efullname3 (fullname, gv, 0);
		761
		762	PL_runops = RUNOPS_DEFAULT;
		763	ENTER;
		764	SAVETMPS;
		765	EXTEND (SP, 3);
		766	PUSHMARK (SP);
		767	PUSHs (&PL_sv_yes);
		768	PUSHs (fullname);
		769	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		770	PUTBACK;
		771	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		772	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		773	SPAGAIN;
		774	FREETMPS;
		775	LEAVE;
		776	PL_runops = runops_trace;
		777	}
		778
		779	oldcxix = cxstack_ix;
		780	}
		781
		782	if (cctx->flags & CC_TRACE_LINE)
		783	{
		784	dSP;
		785
		786	PL_runops = RUNOPS_DEFAULT;
		787	ENTER;
		788	SAVETMPS;
		789	EXTEND (SP, 3);
		790	PL_runops = RUNOPS_DEFAULT;
		791	PUSHMARK (SP);
		792	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		793	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		794	PUTBACK;
		795	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		796	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		797	SPAGAIN;
		798	FREETMPS;
		799	LEAVE;
		800	PL_runops = runops_trace;
		801	}
		802	}
		803	}
669	}	804	}
670	}	805	}
671		806
672	TAINT_NOT;	807	TAINT_NOT;
673	return 0;	808	return 0;
…		…
683	LOGOP myop;	818	LOGOP myop;
684		819
685	PL_top_env = &PL_start_env;	820	PL_top_env = &PL_start_env;
686		821
687	if (cctx->flags & CC_TRACE)	822	if (cctx->flags & CC_TRACE)
688	PL_runops = runops_coro;	823	PL_runops = runops_trace;
689		824
690	Zero (&myop, 1, LOGOP);	825	Zero (&myop, 1, LOGOP);
691	myop.op_next = PL_op;	826	myop.op_next = PL_op;
692	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	827	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
693		828
…		…
801	Safefree (cctx->sptr);	936	Safefree (cctx->sptr);
802		937
803	Safefree (cctx);	938	Safefree (cctx);
804	}	939	}
805		940
		941	/* wether this cctx should be destructed */
		942	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		943
806	static coro_cctx *	944	static coro_cctx *
807	cctx_get (pTHX)	945	cctx_get (pTHX)
808	{	946	{
809	while (cctx_first)	947	while (expect_true (cctx_first))
810	{	948	{
811	coro_cctx *cctx = cctx_first;	949	coro_cctx *cctx = cctx_first;
812	cctx_first = cctx->next;	950	cctx_first = cctx->next;
813	--cctx_idle;	951	--cctx_idle;
814		952
815	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	953	if (expect_true (!CCTX_EXPIRED (cctx)))
816	return cctx;	954	return cctx;
817		955
818	cctx_destroy (cctx);	956	cctx_destroy (cctx);
819	}	957	}
820		958
…		…
823		961
824	static void	962	static void
825	cctx_put (coro_cctx *cctx)	963	cctx_put (coro_cctx *cctx)
826	{	964	{
827	/* free another cctx if overlimit */	965	/* free another cctx if overlimit */
828	if (cctx_idle >= MAX_IDLE_CCTX)	966	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
829	{	967	{
830	coro_cctx *first = cctx_first;	968	coro_cctx *first = cctx_first;
831	cctx_first = first->next;	969	cctx_first = first->next;
832	--cctx_idle;	970	--cctx_idle;
833		971
…		…
839	cctx_first = cctx;	977	cctx_first = cctx;
840	}	978	}
841		979
842	/ coroutine switching ***************************************************/	980	/ coroutine switching ***************************************************/
843		981
844	/* never call directly, always through the coro_state_transfer global variable */	982	static void
		983	transfer_check (pTHX_ struct coro prev, struct coro next)
		984	{
		985	if (expect_true (prev != next))
		986	{
		987	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
		988	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		989
		990	if (expect_false (next->flags & CF_RUNNING))
		991	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		992
		993	if (expect_false (next->flags & CF_DESTROYED))
		994	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		995
		996	if (expect_false (PL_lex_state != LEX_NOTPARSING))
		997	croak ("Coro::State::transfer called while parsing, but this is not supported");
		998	}
		999	}
		1000
		1001	/* always use the TRANSFER macro */
845	static void NOINLINE	1002	static void NOINLINE
846	transfer (pTHX_ struct coro prev, struct coro next)	1003	transfer (pTHX_ struct coro prev, struct coro next)
847	{	1004	{
848	dSTACKLEVEL;	1005	dSTACKLEVEL;
849		1006
850	/* sometimes transfer is only called to set idle_sp */	1007	/* sometimes transfer is only called to set idle_sp */
851	if (!next)	1008	if (expect_false (!next))
852	{	1009	{
853	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1010	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
854	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1011	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
855	}	1012	}
856	else if (prev != next)	1013	else if (expect_true (prev != next))
857	{	1014	{
858	coro_cctx *prev__cctx;	1015	coro_cctx *prev__cctx;
859		1016
860	if (prev->flags & CF_NEW)	1017	if (expect_false (prev->flags & CF_NEW))
861	{	1018	{
862	/* create a new empty context */	1019	/* create a new empty context */
863	Newz (0, prev->cctx, 1, coro_cctx);	1020	Newz (0, prev->cctx, 1, coro_cctx);
864	prev->flags &= ~CF_NEW;	1021	prev->flags &= ~CF_NEW;
865	prev->flags \|= CF_RUNNING;	1022	prev->flags \|= CF_RUNNING;
866	}	1023	}
867		1024
868	/TODO: must not croak here /
869	if (!prev->flags & CF_RUNNING)
870	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
871
872	if (next->flags & CF_RUNNING)
873	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
874
875	if (next->flags & CF_DESTROYED)
876	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
877
878	prev->flags &= ~CF_RUNNING;	1025	prev->flags &= ~CF_RUNNING;
879	next->flags \|= CF_RUNNING;	1026	next->flags \|= CF_RUNNING;
880		1027
881	LOCK;	1028	LOCK;
882		1029
883	if (next->flags & CF_NEW)	1030	if (expect_false (next->flags & CF_NEW))
884	{	1031	{
885	/* need to start coroutine */	1032	/* need to start coroutine */
886	next->flags &= ~CF_NEW;	1033	next->flags &= ~CF_NEW;
887	/* first get rid of the old state */	1034	/* first get rid of the old state */
888	save_perl (aTHX_ prev);	1035	save_perl (aTHX_ prev);
889	/* setup coroutine call */	1036	/* setup coroutine call */
890	setup_coro (aTHX_ next);	1037	coro_setup (aTHX_ next);
891	}	1038	}
892	else	1039	else
893	{	1040	{
894	/* coroutine already started */	1041	/* coroutine already started */
895	save_perl (aTHX_ prev);	1042	save_perl (aTHX_ prev);
…		…
897	}	1044	}
898		1045
899	prev__cctx = prev->cctx;	1046	prev__cctx = prev->cctx;
900		1047
901	/* possibly "free" the cctx */	1048	/* possibly "free" the cctx */
902	if (prev__cctx->idle_sp == STACKLEVEL)	1049	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
903	{	1050	{
904	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1051	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
905	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1052	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
906		1053
907	prev->cctx = 0;	1054	prev->cctx = 0;
908		1055
		1056	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1057	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1058	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1059	next->cctx = cctx_get (aTHX);
		1060
909	cctx_put (prev__cctx);	1061	cctx_put (prev__cctx);
910	}	1062	}
911		1063
		1064	++next->usecount;
		1065
912	if (!next->cctx)	1066	if (expect_true (!next->cctx))
913	next->cctx = cctx_get (aTHX);	1067	next->cctx = cctx_get (aTHX);
914		1068
915	if (prev__cctx != next->cctx)	1069	if (expect_false (prev__cctx != next->cctx))
916	{	1070	{
917	prev__cctx->top_env = PL_top_env;	1071	prev__cctx->top_env = PL_top_env;
918	PL_top_env = next->cctx->top_env;	1072	PL_top_env = next->cctx->top_env;
919	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1073	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
920	}	1074	}
…		…
928	{	1082	{
929	struct coro prev, next;	1083	struct coro prev, next;
930	};	1084	};
931		1085
932	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1086	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1087	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
933		1088
934	/ high level stuff ******************************************************/	1089	/ high level stuff ******************************************************/
935		1090
936	static int	1091	static int
937	coro_state_destroy (pTHX_ struct coro *coro)	1092	coro_state_destroy (pTHX_ struct coro *coro)
…		…
954		1109
955	if (coro->mainstack && coro->mainstack != main_mainstack)	1110	if (coro->mainstack && coro->mainstack != main_mainstack)
956	{	1111	{
957	struct coro temp;	1112	struct coro temp;
958		1113
959	assert (!(coro->flags & CF_RUNNING));
960
961	Zero (&temp, 1, struct coro);
962	temp.save = CORO_SAVE_ALL;
963
964	if (coro->flags & CF_RUNNING)	1114	if (coro->flags & CF_RUNNING)
965	croak ("FATAL: tried to destroy currently running coroutine");	1115	croak ("FATAL: tried to destroy currently running coroutine");
966		1116
967	save_perl (aTHX_ &temp);	1117	save_perl (aTHX_ &temp);
968	load_perl (aTHX_ coro);	1118	load_perl (aTHX_ coro);
969		1119
970	coro_destroy_stacks (aTHX);	1120	coro_destroy (aTHX_ coro);
971		1121
972	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1122	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
973		1123
974	coro->mainstack = 0;	1124	coro->mainstack = 0;
975	}	1125	}
…		…
1020	#else	1170	#else
1021	# define MGf_DUP 0	1171	# define MGf_DUP 0
1022	#endif	1172	#endif
1023	};	1173	};
1024		1174
1025	static struct coro *
1026	SvSTATE_ (pTHX_ SV *coro)
1027	{
1028	HV *stash;
1029	MAGIC *mg;
1030
1031	if (SvROK (coro))
1032	coro = SvRV (coro);
1033
1034	stash = SvSTASH (coro);
1035	if (stash != coro_stash && stash != coro_state_stash)
1036	{
1037	/* very slow, but rare, check */
1038	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
1039	croak ("Coro::State object required");
1040	}
1041
1042	mg = CORO_MAGIC (coro);
1043	return (struct coro *)mg->mg_ptr;
1044	}
1045
1046	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1047
1048	static void	1175	static void
1049	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1176	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1050	{	1177	{
1051	ta->prev = SvSTATE (prev_sv);	1178	ta->prev = SvSTATE (prev_sv);
1052	ta->next = SvSTATE (next_sv);	1179	ta->next = SvSTATE (next_sv);
		1180	TRANSFER_CHECK (*ta);
1053	}	1181	}
1054		1182
1055	static void	1183	static void
1056	api_transfer (SV prev_sv, SV next_sv)	1184	api_transfer (SV prev_sv, SV next_sv)
1057	{	1185	{
1058	dTHX;	1186	dTHX;
1059	struct transfer_args ta;	1187	struct transfer_args ta;
1060		1188
1061	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1189	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1062	TRANSFER (ta);	1190	TRANSFER (ta);
1063	}
1064
1065	static int
1066	api_save (SV *coro_sv, int new_save)
1067	{
1068	dTHX;
1069	struct coro *coro = SvSTATE (coro_sv);
1070	int old_save = coro->save;
1071
1072	if (new_save >= 0)
1073	coro->save = new_save;
1074
1075	return old_save;
1076	}	1191	}
1077		1192
1078	/ Coro ******************************************************************/	1193	/ Coro ******************************************************************/
1079		1194
1080	static void	1195	static void
…		…
1139	{	1254	{
1140	LOCK;	1255	LOCK;
1141	next_sv = coro_deq (aTHX_ PRIO_MIN);	1256	next_sv = coro_deq (aTHX_ PRIO_MIN);
1142		1257
1143	/* nothing to schedule: call the idle handler */	1258	/* nothing to schedule: call the idle handler */
1144	if (!next_sv)	1259	if (expect_false (!next_sv))
1145	{	1260	{
1146	dSP;	1261	dSP;
1147	UNLOCK;	1262	UNLOCK;
1148		1263
1149	ENTER;	1264	ENTER;
…		…
1159	}	1274	}
1160		1275
1161	ta->next = SvSTATE (next_sv);	1276	ta->next = SvSTATE (next_sv);
1162		1277
1163	/* cannot transfer to destroyed coros, skip and look for next */	1278	/* cannot transfer to destroyed coros, skip and look for next */
1164	if (ta->next->flags & CF_DESTROYED)	1279	if (expect_false (ta->next->flags & CF_DESTROYED))
1165	{	1280	{
1166	UNLOCK;	1281	UNLOCK;
1167	SvREFCNT_dec (next_sv);	1282	SvREFCNT_dec (next_sv);
1168	/* coro_nready is already taken care of by destroy */	1283	/* coro_nready is already taken care of by destroy */
1169	continue;	1284	continue;
…		…
1174	break;	1289	break;
1175	}	1290	}
1176		1291
1177	/* free this only after the transfer */	1292	/* free this only after the transfer */
1178	prev_sv = SvRV (coro_current);	1293	prev_sv = SvRV (coro_current);
1179	SvRV_set (coro_current, next_sv);
1180	ta->prev = SvSTATE (prev_sv);	1294	ta->prev = SvSTATE (prev_sv);
1181		1295	TRANSFER_CHECK (*ta);
1182	assert (ta->next->flags & CF_READY);	1296	assert (ta->next->flags & CF_READY);
1183	ta->next->flags &= ~CF_READY;	1297	ta->next->flags &= ~CF_READY;
		1298	SvRV_set (coro_current, next_sv);
1184		1299
1185	LOCK;	1300	LOCK;
1186	free_coro_mortal (aTHX);	1301	free_coro_mortal (aTHX);
1187	coro_mortal = prev_sv;	1302	coro_mortal = prev_sv;
1188	UNLOCK;	1303	UNLOCK;
…		…
1225	dTHX;	1340	dTHX;
1226	struct transfer_args ta;	1341	struct transfer_args ta;
1227		1342
1228	prepare_cede (aTHX_ &ta);	1343	prepare_cede (aTHX_ &ta);
1229		1344
1230	if (ta.prev != ta.next)	1345	if (expect_true (ta.prev != ta.next))
1231	{	1346	{
1232	TRANSFER (ta);	1347	TRANSFER (ta);
1233	return 1;	1348	return 1;
1234	}	1349	}
1235	else	1350	else
…		…
1249	}	1364	}
1250	else	1365	else
1251	return 0;	1366	return 0;
1252	}	1367	}
1253		1368
		1369	static void
		1370	api_trace (SV *coro_sv, int flags)
		1371	{
		1372	dTHX;
		1373	struct coro *coro = SvSTATE (coro_sv);
		1374
		1375	if (flags & CC_TRACE)
		1376	{
		1377	if (!coro->cctx)
		1378	coro->cctx = cctx_new ();
		1379	else if (!(coro->cctx->flags & CC_TRACE))
		1380	croak ("cannot enable tracing on coroutine with custom stack");
		1381
		1382	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1383	}
		1384	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1385	{
		1386	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1387
		1388	if (coro->flags & CF_RUNNING)
		1389	PL_runops = RUNOPS_DEFAULT;
		1390	else
		1391	coro->runops = RUNOPS_DEFAULT;
		1392	}
		1393	}
		1394
1254	MODULE = Coro::State PACKAGE = Coro::State	1395	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1255		1396
1256	PROTOTYPES: DISABLE	1397	PROTOTYPES: DISABLE
1257		1398
1258	BOOT:	1399	BOOT:
1259	{	1400	{
1260	#ifdef USE_ITHREADS	1401	#ifdef USE_ITHREADS
1261	MUTEX_INIT (&coro_mutex);	1402	MUTEX_INIT (&coro_mutex);
1262	#endif	1403	#endif
1263	BOOT_PAGESIZE;	1404	BOOT_PAGESIZE;
1264		1405
		1406	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1407	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1408
1265	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1409	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1266		1410
1267	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1411	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1268	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1412	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1269	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1270	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1271	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1272	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1413	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1273	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1414	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1274		1415
1275	main_mainstack = PL_mainstack;	1416	main_mainstack = PL_mainstack;
1276	main_top_env = PL_top_env;	1417	main_top_env = PL_top_env;
1277		1418
1278	while (main_top_env->je_prev)	1419	while (main_top_env->je_prev)
…		…
1291	struct coro *coro;	1432	struct coro *coro;
1292	HV *hv;	1433	HV *hv;
1293	int i;	1434	int i;
1294		1435
1295	Newz (0, coro, 1, struct coro);	1436	Newz (0, coro, 1, struct coro);
1296	coro->args = newAV ();	1437	coro->args = newAV ();
1297	coro->save = CORO_SAVE_DEF;
1298	coro->flags = CF_NEW;	1438	coro->flags = CF_NEW;
1299		1439
1300	if (coro_first) coro_first->prev = coro;	1440	if (coro_first) coro_first->prev = coro;
1301	coro->next = coro_first;	1441	coro->next = coro_first;
1302	coro_first = coro;	1442	coro_first = coro;
1303		1443
1304	coro->hv = hv = newHV ();	1444	coro->hv = hv = newHV ();
1305	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1445	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1306	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1446	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1307		1447
		1448	av_extend (coro->args, items - 1);
1308	for (i = 1; i < items; i++)	1449	for (i = 1; i < items; i++)
1309	av_push (coro->args, newSVsv (ST (i)));	1450	av_push (coro->args, newSVsv (ST (i)));
1310	}	1451	}
1311	OUTPUT:	1452	OUTPUT:
1312	RETVAL	1453	RETVAL
1313		1454
1314	int	1455	# these not obviously related functions are all rolled into the same xs
1315	save (SV *coro, int new_save = -1)	1456	# function to increase chances that they all will call transfer with the same
1316	CODE:	1457	# stack offset
1317	RETVAL = api_save (coro, new_save);
1318	OUTPUT:
1319	RETVAL
1320
1321	int
1322	save_also (SV *coro_sv, int save_also)
1323	CODE:
1324	{
1325	struct coro *coro = SvSTATE (coro_sv);
1326	RETVAL = coro->save;
1327	coro->save \|= save_also;
1328	}
1329	OUTPUT:
1330	RETVAL
1331
1332	void	1458	void
1333	_set_stacklevel (...)	1459	_set_stacklevel (...)
1334	ALIAS:	1460	ALIAS:
1335	Coro::State::transfer = 1	1461	Coro::State::transfer = 1
1336	Coro::schedule = 2	1462	Coro::schedule = 2
…		…
1370	}	1496	}
1371		1497
1372	BARRIER;	1498	BARRIER;
1373	TRANSFER (ta);	1499	TRANSFER (ta);
1374		1500
1375	if (GIMME_V != G_VOID && ta.next != ta.prev)	1501	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1376	XSRETURN_YES;	1502	XSRETURN_YES;
1377	}	1503	}
1378		1504
1379	bool	1505	bool
1380	_destroy (SV *coro_sv)	1506	_destroy (SV *coro_sv)
…		…
1431	{	1557	{
1432	if (coro->mainstack)	1558	if (coro->mainstack)
1433	{	1559	{
1434	struct coro temp;	1560	struct coro temp;
1435	Zero (&temp, 1, struct coro);	1561	Zero (&temp, 1, struct coro);
1436	temp.save = CORO_SAVE_ALL;
1437		1562
1438	if (!(coro->flags & CF_RUNNING))	1563	if (!(coro->flags & CF_RUNNING))
1439	{	1564	{
1440	save_perl (aTHX_ &temp);	1565	save_perl (aTHX_ &temp);
1441	load_perl (aTHX_ coro);	1566	load_perl (aTHX_ coro);
…		…
1462	save_perl (aTHX_ coro);	1587	save_perl (aTHX_ coro);
1463	load_perl (aTHX_ &temp);	1588	load_perl (aTHX_ &temp);
1464	}	1589	}
1465	}	1590	}
1466	}	1591	}
1467		1592
1468	SV *	1593	SV *
1469	is_ready (Coro::State coro)	1594	is_ready (Coro::State coro)
1470	PROTOTYPE: $	1595	PROTOTYPE: $
1471	ALIAS:	1596	ALIAS:
1472	is_ready = CF_READY	1597	is_ready = CF_READY
…		…
1477	RETVAL = boolSV (coro->flags & ix);	1602	RETVAL = boolSV (coro->flags & ix);
1478	OUTPUT:	1603	OUTPUT:
1479	RETVAL	1604	RETVAL
1480		1605
1481	void	1606	void
1482	trace (Coro::State coro, int enable = 0)	1607	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1483	CODE:
1484	if (enable)
1485	{
1486	if (coro->flags & CF_RUNNING)
1487	croak ("cannot enable tracing on running coroutine");
1488
1489	if (coro->cctx)
1490	croak ("cannot enable tracing on coroutine with custom stack");
1491
1492	coro->cctx = cctx_new ();
1493	coro->cctx->flags \|= CC_TRACE;
1494	}
1495	else
1496	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1497	{
1498	coro->cctx->flags &= ~CC_TRACE;
1499	coro->cctx->flags \|= CC_NOREUSE;
1500	}
1501		1608
1502	SV *	1609	SV *
1503	has_stack (Coro::State coro)	1610	has_stack (Coro::State coro)
1504	PROTOTYPE: $	1611	PROTOTYPE: $
1505	CODE:	1612	CODE:
1506	RETVAL = boolSV (!!coro->cctx);	1613	RETVAL = boolSV (!!coro->cctx);
1507	OUTPUT:	1614	OUTPUT:
1508	RETVAL	1615	RETVAL
1509		1616
		1617	int
		1618	is_traced (Coro::State coro)
		1619	PROTOTYPE: $
		1620	CODE:
		1621	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1622	OUTPUT:
		1623	RETVAL
		1624
1510	IV	1625	IV
1511	rss (Coro::State coro)	1626	rss (Coro::State coro)
1512	PROTOTYPE: $	1627	PROTOTYPE: $
		1628	ALIAS:
		1629	usecount = 1
1513	CODE:	1630	CODE:
1514	RETVAL = coro_rss (coro);	1631	switch (ix)
		1632	{
		1633	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1634	case 1: RETVAL = coro->usecount; break;
		1635	}
1515	OUTPUT:	1636	OUTPUT:
1516	RETVAL	1637	RETVAL
1517		1638
1518		1639
1519	MODULE = Coro::State PACKAGE = Coro	1640	MODULE = Coro::State PACKAGE = Coro
…		…
1524		1645
1525	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1646	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1526	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1647	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1527	av_async_pool = get_av ("Coro::async_pool", TRUE);	1648	av_async_pool = get_av ("Coro::async_pool", TRUE);
1528		1649
1529	coro_current = get_sv ("Coro::current", FALSE);	1650	coro_current = get_sv ("Coro::current", FALSE);
1530	SvREADONLY_on (coro_current);	1651	SvREADONLY_on (coro_current);
1531		1652
1532	coro_stash = gv_stashpv ("Coro", TRUE);	1653	coro_stash = gv_stashpv ("Coro", TRUE);
1533		1654
1534	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1655	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1543		1664
1544	{	1665	{
1545	SV *sv = perl_get_sv("Coro::API", 1);	1666	SV *sv = perl_get_sv("Coro::API", 1);
1546		1667
1547	coroapi.schedule = api_schedule;	1668	coroapi.schedule = api_schedule;
1548	coroapi.save = api_save;
1549	coroapi.cede = api_cede;	1669	coroapi.cede = api_cede;
1550	coroapi.cede_notself = api_cede_notself;	1670	coroapi.cede_notself = api_cede_notself;
1551	coroapi.ready = api_ready;	1671	coroapi.ready = api_ready;
1552	coroapi.is_ready = api_is_ready;	1672	coroapi.is_ready = api_is_ready;
1553	coroapi.nready = &coro_nready;	1673	coroapi.nready = &coro_nready;
…		…
1607	# for async_pool speedup	1727	# for async_pool speedup
1608	void	1728	void
1609	_pool_1 (SV *cb)	1729	_pool_1 (SV *cb)
1610	CODE:	1730	CODE:
1611	{	1731	{
1612	int i, len;	1732	struct coro *coro = SvSTATE (coro_current);
1613	HV hv = (HV )SvRV (coro_current);	1733	HV hv = (HV )SvRV (coro_current);
1614	AV *defav = GvAV (PL_defgv);	1734	AV *defav = GvAV (PL_defgv);
1615	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1735	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1616	AV *invoke_av;	1736	AV *invoke_av;
		1737	int i, len;
1617		1738
1618	if (!invoke)	1739	if (!invoke)
1619	croak ("\3terminate\2\n");	1740	croak ("\3terminate\2\n");
		1741
		1742	SvREFCNT_dec (coro->saved_deffh);
		1743	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1620		1744
1621	hv_store (hv, "desc", sizeof ("desc") - 1,	1745	hv_store (hv, "desc", sizeof ("desc") - 1,
1622	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1746	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1623		1747
1624	invoke_av = (AV *)SvRV (invoke);	1748	invoke_av = (AV *)SvRV (invoke);
…		…
1642	{	1766	{
1643	struct coro *coro = SvSTATE (coro_current);	1767	struct coro *coro = SvSTATE (coro_current);
1644		1768
1645	sv_setsv (cb, &PL_sv_undef);	1769	sv_setsv (cb, &PL_sv_undef);
1646		1770
		1771	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1772	coro->saved_deffh = 0;
		1773
1647	if (coro_rss (coro) > SvIV (sv_pool_rss)	1774	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1648	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1775	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1649	croak ("\3terminate\2\n");	1776	croak ("\3terminate\2\n");
1650		1777
1651	av_clear (GvAV (PL_defgv));	1778	av_clear (GvAV (PL_defgv));
1652	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1779	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1653	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1780	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1654	coro->save = CORO_SAVE_DEF;	1781
1655	coro->prio = 0;	1782	coro->prio = 0;
		1783
		1784	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1785	api_trace (coro_current, 0);
		1786
1656	av_push (av_async_pool, newSVsv (coro_current));	1787	av_push (av_async_pool, newSVsv (coro_current));
1657	}	1788	}
1658		1789
1659		1790
1660	MODULE = Coro::State PACKAGE = Coro::AIO	1791	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.165 by root, Wed Sep 26 19:26:48 2007 UTC vs. Revision 1.195 by root, Sat Oct 6 00:35:41 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.165 by root, Wed Sep 26 19:26:48 2007 UTC vs.
Revision 1.195 by root, Sat Oct 6 00:35:41 2007 UTC