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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.168 by root, Thu Sep 27 16:10:48 2007 UTC vs.
Revision 1.196 by root, Sat Oct 6 01:11:01 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	};
…		…
299	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	321	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
300	? SvMAGIC (cv) \	322	? SvMAGIC (cv) \
301	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	323	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
302	: 0	324	: 0
303		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
304	/* the next two functions merely cache the padlists */	352	/* the next two functions merely cache the padlists */
305	static void	353	static void
306	get_padlist (pTHX_ CV *cv)	354	get_padlist (pTHX_ CV *cv)
307	{	355	{
308	MAGIC *mg = CORO_MAGIC (cv);	356	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	357	AV *av;
310		358
311	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	359	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
312	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	360	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
313	else	361	else
314	{	362	{
315	#if CORO_PREFER_PERL_FUNCTIONS	363	#if CORO_PREFER_PERL_FUNCTIONS
316	/* this is probably cleaner, but also slower? */	364	/* this is probably cleaner, but also slower? */
…		…
328	put_padlist (pTHX_ CV *cv)	376	put_padlist (pTHX_ CV *cv)
329	{	377	{
330	MAGIC *mg = CORO_MAGIC (cv);	378	MAGIC *mg = CORO_MAGIC (cv);
331	AV *av;	379	AV *av;
332		380
333	if (!mg)	381	if (expect_false (!mg))
334	{	382	{
335	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	383	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
336	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	384	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
337	mg->mg_virtual = &vtbl_coro;	385	mg->mg_virtual = &vtbl_coro;
338	mg->mg_obj = (SV *)newAV ();	386	mg->mg_obj = (SV *)newAV ();
339	}	387	}
340		388
341	av = (AV *)mg->mg_obj;	389	av = (AV *)mg->mg_obj;
342		390
343	if (AvFILLp (av) >= AvMAX (av))	391	if (expect_false (AvFILLp (av) >= AvMAX (av)))
344	av_extend (av, AvMAX (av) + 1);	392	av_extend (av, AvMAX (av) + 1);
345		393
346	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	394	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
347	}	395	}
348		396
349	/ load & save, init *****************************************************/	397	/ load & save, init *****************************************************/
350
351	#define SB do {
352	#define SE } while (0)
353
354	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
355		398
356	static void	399	static void
357	load_perl (pTHX_ Coro__State c)	400	load_perl (pTHX_ Coro__State c)
358	{	401	{
359	#define VAR(name,type) PL_ ## name = c->name;	402	#define VAR(name,type) PL_ ## name = c->name;
360	# include "state.h"	403	# include "state.h"
361	#undef VAR	404	#undef VAR
362		405
363	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	406	GvSV (PL_defgv) = c->defsv;
364	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	407	GvAV (PL_defgv) = c->defav;
365	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	408	GvSV (PL_errgv) = c->errsv;
366	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	409	GvSV (irsgv) = c->irssv_sv;
367
368	if (c->irssv)
369	{
370	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
371	{
372	SvREFCNT_dec (c->irssv);
373	c->irssv = 0;
374	}
375	else
376	{
377	REPLACE_SV (PL_rs, c->irssv);
378	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
379	sv_setsv (c->irssv_sv, PL_rs);
380	}
381	}
382		410
383	{	411	{
384	dSP;	412	dSP;
385	CV *cv;	413	CV *cv;
386		414
387	/* now do the ugly restore mess */	415	/* now do the ugly restore mess */
388	while ((cv = (CV *)POPs))	416	while (expect_true (cv = (CV *)POPs))
389	{	417	{
390	put_padlist (aTHX_ cv); /* mark this padlist as available */	418	put_padlist (aTHX_ cv); /* mark this padlist as available */
391	CvDEPTH (cv) = PTR2IV (POPs);	419	CvDEPTH (cv) = PTR2IV (POPs);
392	CvPADLIST (cv) = (AV *)POPs;	420	CvPADLIST (cv) = (AV *)POPs;
393	}	421	}
…		…
412		440
413	XPUSHs (Nullsv);	441	XPUSHs (Nullsv);
414	/* this loop was inspired by pp_caller */	442	/* this loop was inspired by pp_caller */
415	for (;;)	443	for (;;)
416	{	444	{
417	while (cxix >= 0)	445	while (expect_true (cxix >= 0))
418	{	446	{
419	PERL_CONTEXT *cx = &ccstk[cxix--];	447	PERL_CONTEXT *cx = &ccstk[cxix--];
420		448
421	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	449	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
422	{	450	{
423	CV *cv = cx->blk_sub.cv;	451	CV *cv = cx->blk_sub.cv;
424		452
425	if (CvDEPTH (cv))	453	if (expect_true (CvDEPTH (cv)))
426	{	454	{
427	EXTEND (SP, 3);	455	EXTEND (SP, 3);
428	PUSHs ((SV *)CvPADLIST (cv));	456	PUSHs ((SV *)CvPADLIST (cv));
429	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	457	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
430	PUSHs ((SV *)cv);	458	PUSHs ((SV *)cv);
…		…
433	get_padlist (aTHX_ cv);	461	get_padlist (aTHX_ cv);
434	}	462	}
435	}	463	}
436	}	464	}
437		465
438	if (top_si->si_type == PERLSI_MAIN)	466	if (expect_true (top_si->si_type == PERLSI_MAIN))
439	break;	467	break;
440		468
441	top_si = top_si->si_prev;	469	top_si = top_si->si_prev;
442	ccstk = top_si->si_cxstack;	470	ccstk = top_si->si_cxstack;
443	cxix = top_si->si_cxix;	471	cxix = top_si->si_cxix;
444	}	472	}
445		473
446	PUTBACK;	474	PUTBACK;
447	}	475	}
448		476
449	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	477	c->defav = GvAV (PL_defgv);
450	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	478	c->defsv = DEFSV;
451	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	479	c->errsv = ERRSV;
452	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	480	c->irssv_sv = GvSV (irsgv);
453	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
454		481
455	#define VAR(name,type)c->name = PL_ ## name;	482	#define VAR(name,type)c->name = PL_ ## name;
456	# include "state.h"	483	# include "state.h"
457	#undef VAR	484	#undef VAR
458	}	485	}
…		…
511	* destroy the stacks, the callchain etc...	538	* destroy the stacks, the callchain etc...
512	*/	539	*/
513	static void	540	static void
514	coro_destroy_stacks (pTHX)	541	coro_destroy_stacks (pTHX)
515	{	542	{
516	if (!IN_DESTRUCT)
517	{
518	/* restore all saved variables and stuff */
519	LEAVE_SCOPE (0);
520	assert (PL_tmps_floor == -1);
521
522	/* free all temporaries */
523	FREETMPS;
524	assert (PL_tmps_ix == -1);
525
526	/* unwind all extra stacks */
527	POPSTACK_TO (PL_mainstack);
528
529	/* unwind main stack */
530	dounwind (-1);
531	}
532
533	while (PL_curstackinfo->si_next)	543	while (PL_curstackinfo->si_next)
534	PL_curstackinfo = PL_curstackinfo->si_next;	544	PL_curstackinfo = PL_curstackinfo->si_next;
535		545
536	while (PL_curstackinfo)	546	while (PL_curstackinfo)
537	{	547	{
…		…
553	Safefree (PL_retstack);	563	Safefree (PL_retstack);
554	#endif	564	#endif
555	}	565	}
556		566
557	static size_t	567	static size_t
558	coro_rss (struct coro *coro)	568	coro_rss (pTHX_ struct coro *coro)
559	{	569	{
560	size_t rss = sizeof (coro);	570	size_t rss = sizeof (*coro);
561		571
562	if (coro->mainstack)	572	if (coro->mainstack)
563	{	573	{
564	if (coro->flags & CF_RUNNING)	574	if (coro->flags & CF_RUNNING)
565	{	575	{
…		…
567	# include "state.h"	577	# include "state.h"
568	#undef VAR	578	#undef VAR
569	}	579	}
570		580
571	rss += sizeof (coro->curstackinfo);	581	rss += sizeof (coro->curstackinfo);
572	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 *);
573	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	583	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
574	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
575	rss += coro->tmps_max * sizeof (SV *);	585	rss += coro->tmps_max * sizeof (SV *);
576	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
577	rss += coro->scopestack_max * sizeof (I32);	587	rss += coro->scopestack_max * sizeof (I32);
578	rss += coro->savestack_max * sizeof (ANY);	588	rss += coro->savestack_max * sizeof (ANY);
579		589
…		…
586	}	596	}
587		597
588	/ coroutine stack handling **********************************************/	598	/ coroutine stack handling **********************************************/
589		599
590	static void	600	static void
591	setup_coro (pTHX_ struct coro *coro)	601	coro_setup (pTHX_ struct coro *coro)
592	{	602	{
593	/*	603	/*
594	* emulate part of the perl startup here.	604	* emulate part of the perl startup here.
595	*/	605	*/
596	coro_init_stacks (aTHX);	606	coro_init_stacks (aTHX);
597		607
		608	PL_runops = RUNOPS_DEFAULT;
598	PL_curcop = &PL_compiling;	609	PL_curcop = &PL_compiling;
599	PL_in_eval = EVAL_NULL;	610	PL_in_eval = EVAL_NULL;
600	PL_comppad = 0;	611	PL_comppad = 0;
601	PL_curpm = 0;	612	PL_curpm = 0;
		613	PL_curpad = 0;
602	PL_localizing = 0;	614	PL_localizing = 0;
603	PL_dirty = 0;	615	PL_dirty = 0;
604	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 = (GV *)SvREFCNT_inc (stdoutgv);
605		624
606	{	625	{
607	dSP;	626	dSP;
608	LOGOP myop;	627	LOGOP myop;
609		628
610	SvREFCNT_dec (GvAV (PL_defgv));
611	GvAV (PL_defgv) = coro->args; coro->args = 0;
612
613	Zero (&myop, 1, LOGOP);	629	Zero (&myop, 1, LOGOP);
614	myop.op_next = Nullop;	630	myop.op_next = Nullop;
615	myop.op_flags = OPf_WANT_VOID;	631	myop.op_flags = OPf_WANT_VOID;
616		632
617	PUSHMARK (SP);	633	PUSHMARK (SP);
618	XPUSHs (av_shift (GvAV (PL_defgv)));	634	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
619	PUTBACK;	635	PUTBACK;
620	PL_op = (OP *)&myop;	636	PL_op = (OP *)&myop;
621	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	637	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
622	SPAGAIN;	638	SPAGAIN;
623	}	639	}
624		640
625	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);
626	}	675	}
627		676
628	static void	677	static void
629	free_coro_mortal (pTHX)	678	free_coro_mortal (pTHX)
630	{	679	{
631	if (coro_mortal)	680	if (expect_true (coro_mortal))
632	{	681	{
633	SvREFCNT_dec (coro_mortal);	682	SvREFCNT_dec (coro_mortal);
634	coro_mortal = 0;	683	coro_mortal = 0;
635	}	684	}
636	}	685	}
637		686
638	static int	687	static int
639	runops_coro (pTHX)	688	runops_trace (pTHX)
640	{	689	{
641	COP *oldcop = 0;	690	COP *oldcop = 0;
642	int oldcxix = -2;	691	int oldcxix = -2;
		692	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		693	coro_cctx *cctx = coro->cctx;
643		694
644	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	695	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
645	{	696	{
646	PERL_ASYNC_CHECK ();	697	PERL_ASYNC_CHECK ();
647		698
648	if (PL_op->op_type == OP_LEAVESUB)	699	if (cctx->flags & CC_TRACE_ALL)
649	{	700	{
650	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	701	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
651	SV bot, top;
652	AV av = newAV (); / return values */
653	runops_proc_t old_runops = PL_runops;
654	dSP;
655	ENTER;
656	SAVETMPS;
657	EXTEND (SP, 3);
658	PL_runops = RUNOPS_DEFAULT;
659
660	GV *gv = CvGV (cx->blk_sub.cv);
661	SV *fullname = sv_2mortal (newSV (0));
662	if (isGV (gv))
663	gv_efullname3 (fullname, gv, 0);
664
665	bot = PL_stack_base + cx->blk_oldsp + 1;
666	top = cx->blk_gimme == G_ARRAY ? SP + 1
667	: cx->blk_gimme == G_SCALAR ? bot + 1
668	: bot;
669
670	while (bot < top)
671	av_push (av, SvREFCNT_inc (*bot++));
672
673	PUSHMARK (SP);
674	PUSHs (&PL_sv_no);
675	PUSHs (fullname);
676	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
677	PUTBACK;
678	call_pv ("Coro::_do_trace_sub", G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
679	SPAGAIN;
680
681	FREETMPS;
682	LEAVE;
683	PL_runops = old_runops;
684	}
685
686	if (oldcop != PL_curcop)
687	{
688	oldcop = PL_curcop;
689
690	if (PL_curcop != &PL_compiling)
691	{	702	{
692	runops_proc_t old_runops = PL_runops;	703	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		704	SV bot, top;
		705	AV av = newAV (); / return values */
		706	SV **cb;
693	dSP;	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;
694	ENTER;	724	ENTER;
695	SAVETMPS;	725	SAVETMPS;
696	EXTEND (SP, 3);	726	EXTEND (SP, 3);
697	PL_runops = RUNOPS_DEFAULT;
698
699	if (oldcxix != cxstack_ix)
700	{
701	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
702
703	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
704	{
705	GV *gv = CvGV (cx->blk_sub.cv);
706	SV *fullname = sv_2mortal (newSV (0));
707	if (isGV (gv))
708	gv_efullname3 (fullname, gv, 0);
709
710	PUSHMARK (SP);
711	PUSHs (&PL_sv_yes);
712	PUSHs (fullname);
713	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
714	PUTBACK;
715	call_pv ("Coro::_do_trace_sub", G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
716	SPAGAIN;
717	}
718
719	oldcxix = cxstack_ix;
720	}
721
722	if (0) {
723	PUSHMARK (SP);	727	PUSHMARK (SP);
724	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	728	PUSHs (&PL_sv_no);
725	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	729	PUSHs (fullname);
		730	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
726	PUTBACK;	731	PUTBACK;
		732	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
727	call_pv ("Coro::_do_trace_line", G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	733	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
728	SPAGAIN;	734	SPAGAIN;
729	}
730
731	FREETMPS;	735	FREETMPS;
732	LEAVE;	736	LEAVE;
733	PL_runops = old_runops;	737	PL_runops = runops_trace;
		738	}
		739
		740	if (oldcop != PL_curcop)
		741	{
		742	oldcop = PL_curcop;
		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	}
734	}	803	}
735	}	804	}
736	}	805	}
737		806
738	TAINT_NOT;	807	TAINT_NOT;
…		…
749	LOGOP myop;	818	LOGOP myop;
750		819
751	PL_top_env = &PL_start_env;	820	PL_top_env = &PL_start_env;
752		821
753	if (cctx->flags & CC_TRACE)	822	if (cctx->flags & CC_TRACE)
754	PL_runops = runops_coro;	823	PL_runops = runops_trace;
755		824
756	Zero (&myop, 1, LOGOP);	825	Zero (&myop, 1, LOGOP);
757	myop.op_next = PL_op;	826	myop.op_next = PL_op;
758	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	827	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
759		828
…		…
867	Safefree (cctx->sptr);	936	Safefree (cctx->sptr);
868		937
869	Safefree (cctx);	938	Safefree (cctx);
870	}	939	}
871		940
		941	/* wether this cctx should be destructed */
		942	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		943
872	static coro_cctx *	944	static coro_cctx *
873	cctx_get (pTHX)	945	cctx_get (pTHX)
874	{	946	{
875	while (cctx_first)	947	while (expect_true (cctx_first))
876	{	948	{
877	coro_cctx *cctx = cctx_first;	949	coro_cctx *cctx = cctx_first;
878	cctx_first = cctx->next;	950	cctx_first = cctx->next;
879	--cctx_idle;	951	--cctx_idle;
880		952
881	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	953	if (expect_true (!CCTX_EXPIRED (cctx)))
882	return cctx;	954	return cctx;
883		955
884	cctx_destroy (cctx);	956	cctx_destroy (cctx);
885	}	957	}
886		958
…		…
889		961
890	static void	962	static void
891	cctx_put (coro_cctx *cctx)	963	cctx_put (coro_cctx *cctx)
892	{	964	{
893	/* free another cctx if overlimit */	965	/* free another cctx if overlimit */
894	if (cctx_idle >= MAX_IDLE_CCTX)	966	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
895	{	967	{
896	coro_cctx *first = cctx_first;	968	coro_cctx *first = cctx_first;
897	cctx_first = first->next;	969	cctx_first = first->next;
898	--cctx_idle;	970	--cctx_idle;
899		971
…		…
905	cctx_first = cctx;	977	cctx_first = cctx;
906	}	978	}
907		979
908	/ coroutine switching ***************************************************/	980	/ coroutine switching ***************************************************/
909		981
910	/* 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 */
911	static void NOINLINE	1002	static void NOINLINE
912	transfer (pTHX_ struct coro prev, struct coro next)	1003	transfer (pTHX_ struct coro prev, struct coro next)
913	{	1004	{
914	dSTACKLEVEL;	1005	dSTACKLEVEL;
915		1006
916	/* sometimes transfer is only called to set idle_sp */	1007	/* sometimes transfer is only called to set idle_sp */
917	if (!next)	1008	if (expect_false (!next))
918	{	1009	{
919	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1010	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
920	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 */
921	}	1012	}
922	else if (prev != next)	1013	else if (expect_true (prev != next))
923	{	1014	{
924	coro_cctx *prev__cctx;	1015	coro_cctx *prev__cctx;
925		1016
926	if (prev->flags & CF_NEW)	1017	if (expect_false (prev->flags & CF_NEW))
927	{	1018	{
928	/* create a new empty context */	1019	/* create a new empty context */
929	Newz (0, prev->cctx, 1, coro_cctx);	1020	Newz (0, prev->cctx, 1, coro_cctx);
930	prev->flags &= ~CF_NEW;	1021	prev->flags &= ~CF_NEW;
931	prev->flags \|= CF_RUNNING;	1022	prev->flags \|= CF_RUNNING;
932	}	1023	}
933		1024
934	/TODO: must not croak here /
935	if (!prev->flags & CF_RUNNING)
936	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
937
938	if (next->flags & CF_RUNNING)
939	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
940
941	if (next->flags & CF_DESTROYED)
942	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
943
944	prev->flags &= ~CF_RUNNING;	1025	prev->flags &= ~CF_RUNNING;
945	next->flags \|= CF_RUNNING;	1026	next->flags \|= CF_RUNNING;
946		1027
947	LOCK;	1028	LOCK;
948		1029
949	if (next->flags & CF_NEW)	1030	if (expect_false (next->flags & CF_NEW))
950	{	1031	{
951	/* need to start coroutine */	1032	/* need to start coroutine */
952	next->flags &= ~CF_NEW;	1033	next->flags &= ~CF_NEW;
953	/* first get rid of the old state */	1034	/* first get rid of the old state */
954	save_perl (aTHX_ prev);	1035	save_perl (aTHX_ prev);
955	/* setup coroutine call */	1036	/* setup coroutine call */
956	setup_coro (aTHX_ next);	1037	coro_setup (aTHX_ next);
957	}	1038	}
958	else	1039	else
959	{	1040	{
960	/* coroutine already started */	1041	/* coroutine already started */
961	save_perl (aTHX_ prev);	1042	save_perl (aTHX_ prev);
…		…
963	}	1044	}
964		1045
965	prev__cctx = prev->cctx;	1046	prev__cctx = prev->cctx;
966		1047
967	/* possibly "free" the cctx */	1048	/* possibly "free" the cctx */
968	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1049	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
969	{	1050	{
970	/* 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 */
971	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));
972		1053
973	prev->cctx = 0;	1054	prev->cctx = 0;
974		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
975	cctx_put (prev__cctx);	1061	cctx_put (prev__cctx);
976	}	1062	}
977		1063
		1064	++next->usecount;
		1065
978	if (!next->cctx)	1066	if (expect_true (!next->cctx))
979	next->cctx = cctx_get (aTHX);	1067	next->cctx = cctx_get (aTHX);
980		1068
981	if (prev__cctx != next->cctx)	1069	if (expect_false (prev__cctx != next->cctx))
982	{	1070	{
983	prev__cctx->top_env = PL_top_env;	1071	prev__cctx->top_env = PL_top_env;
984	PL_top_env = next->cctx->top_env;	1072	PL_top_env = next->cctx->top_env;
985	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1073	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
986	}	1074	}
987		1075
988	free_coro_mortal (aTHX);	1076	free_coro_mortal (aTHX);
989	UNLOCK;	1077	UNLOCK;
		1078
		1079	if (expect_false (prev->throw \|\| next->throw))
		1080	{
		1081	struct coro *coro = SvSTATE (coro_current);
		1082
		1083	if (coro->throw)
		1084	{
		1085	SV *exception = coro->throw;
		1086	coro->throw = 0;
		1087	sv_setsv (ERRSV, exception);
		1088	croak (0);
		1089	}
		1090	}
990	}	1091	}
991	}	1092	}
992		1093
993	struct transfer_args	1094	struct transfer_args
994	{	1095	{
995	struct coro prev, next;	1096	struct coro prev, next;
996	};	1097	};
997		1098
998	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1099	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1100	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
999		1101
1000	/ high level stuff ******************************************************/	1102	/ high level stuff ******************************************************/
1001		1103
1002	static int	1104	static int
1003	coro_state_destroy (pTHX_ struct coro *coro)	1105	coro_state_destroy (pTHX_ struct coro *coro)
…		…
1020		1122
1021	if (coro->mainstack && coro->mainstack != main_mainstack)	1123	if (coro->mainstack && coro->mainstack != main_mainstack)
1022	{	1124	{
1023	struct coro temp;	1125	struct coro temp;
1024		1126
1025	assert (!(coro->flags & CF_RUNNING));
1026
1027	Zero (&temp, 1, struct coro);
1028	temp.save = CORO_SAVE_ALL;
1029
1030	if (coro->flags & CF_RUNNING)	1127	if (coro->flags & CF_RUNNING)
1031	croak ("FATAL: tried to destroy currently running coroutine");	1128	croak ("FATAL: tried to destroy currently running coroutine");
1032		1129
1033	save_perl (aTHX_ &temp);	1130	save_perl (aTHX_ &temp);
1034	load_perl (aTHX_ coro);	1131	load_perl (aTHX_ coro);
1035		1132
1036	coro_destroy_stacks (aTHX);	1133	coro_destroy (aTHX_ coro);
1037		1134
1038	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1135	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
1039		1136
1040	coro->mainstack = 0;	1137	coro->mainstack = 0;
1041	}	1138	}
…		…
1086	#else	1183	#else
1087	# define MGf_DUP 0	1184	# define MGf_DUP 0
1088	#endif	1185	#endif
1089	};	1186	};
1090		1187
1091	static struct coro *
1092	SvSTATE_ (pTHX_ SV *coro)
1093	{
1094	HV *stash;
1095	MAGIC *mg;
1096
1097	if (SvROK (coro))
1098	coro = SvRV (coro);
1099
1100	stash = SvSTASH (coro);
1101	if (stash != coro_stash && stash != coro_state_stash)
1102	{
1103	/* very slow, but rare, check */
1104	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
1105	croak ("Coro::State object required");
1106	}
1107
1108	mg = CORO_MAGIC (coro);
1109	return (struct coro *)mg->mg_ptr;
1110	}
1111
1112	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1113
1114	static void	1188	static void
1115	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1189	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1116	{	1190	{
1117	ta->prev = SvSTATE (prev_sv);	1191	ta->prev = SvSTATE (prev_sv);
1118	ta->next = SvSTATE (next_sv);	1192	ta->next = SvSTATE (next_sv);
		1193	TRANSFER_CHECK (*ta);
1119	}	1194	}
1120		1195
1121	static void	1196	static void
1122	api_transfer (SV prev_sv, SV next_sv)	1197	api_transfer (SV prev_sv, SV next_sv)
1123	{	1198	{
1124	dTHX;	1199	dTHX;
1125	struct transfer_args ta;	1200	struct transfer_args ta;
1126		1201
1127	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1202	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1128	TRANSFER (ta);	1203	TRANSFER (ta);
1129	}
1130
1131	static int
1132	api_save (SV *coro_sv, int new_save)
1133	{
1134	dTHX;
1135	struct coro *coro = SvSTATE (coro_sv);
1136	int old_save = coro->save;
1137
1138	if (new_save >= 0)
1139	coro->save = new_save;
1140
1141	return old_save;
1142	}	1204	}
1143		1205
1144	/ Coro ******************************************************************/	1206	/ Coro ******************************************************************/
1145		1207
1146	static void	1208	static void
…		…
1205	{	1267	{
1206	LOCK;	1268	LOCK;
1207	next_sv = coro_deq (aTHX_ PRIO_MIN);	1269	next_sv = coro_deq (aTHX_ PRIO_MIN);
1208		1270
1209	/* nothing to schedule: call the idle handler */	1271	/* nothing to schedule: call the idle handler */
1210	if (!next_sv)	1272	if (expect_false (!next_sv))
1211	{	1273	{
1212	dSP;	1274	dSP;
1213	UNLOCK;	1275	UNLOCK;
1214		1276
1215	ENTER;	1277	ENTER;
…		…
1225	}	1287	}
1226		1288
1227	ta->next = SvSTATE (next_sv);	1289	ta->next = SvSTATE (next_sv);
1228		1290
1229	/* cannot transfer to destroyed coros, skip and look for next */	1291	/* cannot transfer to destroyed coros, skip and look for next */
1230	if (ta->next->flags & CF_DESTROYED)	1292	if (expect_false (ta->next->flags & CF_DESTROYED))
1231	{	1293	{
1232	UNLOCK;	1294	UNLOCK;
1233	SvREFCNT_dec (next_sv);	1295	SvREFCNT_dec (next_sv);
1234	/* coro_nready is already taken care of by destroy */	1296	/* coro_nready is already taken care of by destroy */
1235	continue;	1297	continue;
…		…
1240	break;	1302	break;
1241	}	1303	}
1242		1304
1243	/* free this only after the transfer */	1305	/* free this only after the transfer */
1244	prev_sv = SvRV (coro_current);	1306	prev_sv = SvRV (coro_current);
1245	SvRV_set (coro_current, next_sv);
1246	ta->prev = SvSTATE (prev_sv);	1307	ta->prev = SvSTATE (prev_sv);
1247		1308	TRANSFER_CHECK (*ta);
1248	assert (ta->next->flags & CF_READY);	1309	assert (ta->next->flags & CF_READY);
1249	ta->next->flags &= ~CF_READY;	1310	ta->next->flags &= ~CF_READY;
		1311	SvRV_set (coro_current, next_sv);
1250		1312
1251	LOCK;	1313	LOCK;
1252	free_coro_mortal (aTHX);	1314	free_coro_mortal (aTHX);
1253	coro_mortal = prev_sv;	1315	coro_mortal = prev_sv;
1254	UNLOCK;	1316	UNLOCK;
…		…
1291	dTHX;	1353	dTHX;
1292	struct transfer_args ta;	1354	struct transfer_args ta;
1293		1355
1294	prepare_cede (aTHX_ &ta);	1356	prepare_cede (aTHX_ &ta);
1295		1357
1296	if (ta.prev != ta.next)	1358	if (expect_true (ta.prev != ta.next))
1297	{	1359	{
1298	TRANSFER (ta);	1360	TRANSFER (ta);
1299	return 1;	1361	return 1;
1300	}	1362	}
1301	else	1363	else
…		…
1315	}	1377	}
1316	else	1378	else
1317	return 0;	1379	return 0;
1318	}	1380	}
1319		1381
		1382	static void
		1383	api_trace (SV *coro_sv, int flags)
		1384	{
		1385	dTHX;
		1386	struct coro *coro = SvSTATE (coro_sv);
		1387
		1388	if (flags & CC_TRACE)
		1389	{
		1390	if (!coro->cctx)
		1391	coro->cctx = cctx_new ();
		1392	else if (!(coro->cctx->flags & CC_TRACE))
		1393	croak ("cannot enable tracing on coroutine with custom stack");
		1394
		1395	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1396	}
		1397	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1398	{
		1399	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1400
		1401	if (coro->flags & CF_RUNNING)
		1402	PL_runops = RUNOPS_DEFAULT;
		1403	else
		1404	coro->runops = RUNOPS_DEFAULT;
		1405	}
		1406	}
		1407
1320	MODULE = Coro::State PACKAGE = Coro::State	1408	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1321		1409
1322	PROTOTYPES: DISABLE	1410	PROTOTYPES: DISABLE
1323		1411
1324	BOOT:	1412	BOOT:
1325	{	1413	{
1326	#ifdef USE_ITHREADS	1414	#ifdef USE_ITHREADS
1327	MUTEX_INIT (&coro_mutex);	1415	MUTEX_INIT (&coro_mutex);
1328	#endif	1416	#endif
1329	BOOT_PAGESIZE;	1417	BOOT_PAGESIZE;
		1418
		1419	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1420	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1330		1421
1331	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1422	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1332		1423
1333	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1424	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1334	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1425	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1335	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1426	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1336	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1427	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1337		1428
1338	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1339	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1340	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1341	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1342	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1343	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1344	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1345
1346	main_mainstack = PL_mainstack;	1429	main_mainstack = PL_mainstack;
1347	main_top_env = PL_top_env;	1430	main_top_env = PL_top_env;
1348		1431
1349	while (main_top_env->je_prev)	1432	while (main_top_env->je_prev)
1350	main_top_env = main_top_env->je_prev;	1433	main_top_env = main_top_env->je_prev;
…		…
1362	struct coro *coro;	1445	struct coro *coro;
1363	HV *hv;	1446	HV *hv;
1364	int i;	1447	int i;
1365		1448
1366	Newz (0, coro, 1, struct coro);	1449	Newz (0, coro, 1, struct coro);
1367	coro->args = newAV ();	1450	coro->args = newAV ();
1368	coro->save = CORO_SAVE_DEF;
1369	coro->flags = CF_NEW;	1451	coro->flags = CF_NEW;
1370		1452
1371	if (coro_first) coro_first->prev = coro;	1453	if (coro_first) coro_first->prev = coro;
1372	coro->next = coro_first;	1454	coro->next = coro_first;
1373	coro_first = coro;	1455	coro_first = coro;
1374		1456
1375	coro->hv = hv = newHV ();	1457	coro->hv = hv = newHV ();
1376	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1458	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1377	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1459	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1378		1460
		1461	av_extend (coro->args, items - 1);
1379	for (i = 1; i < items; i++)	1462	for (i = 1; i < items; i++)
1380	av_push (coro->args, newSVsv (ST (i)));	1463	av_push (coro->args, newSVsv (ST (i)));
1381	}	1464	}
1382	OUTPUT:	1465	OUTPUT:
1383	RETVAL	1466	RETVAL
1384		1467
1385	int	1468	# these not obviously related functions are all rolled into the same xs
1386	save (SV *coro, int new_save = -1)	1469	# function to increase chances that they all will call transfer with the same
1387	CODE:	1470	# stack offset
1388	RETVAL = api_save (coro, new_save);
1389	OUTPUT:
1390	RETVAL
1391
1392	int
1393	save_also (SV *coro_sv, int save_also)
1394	CODE:
1395	{
1396	struct coro *coro = SvSTATE (coro_sv);
1397	RETVAL = coro->save;
1398	coro->save \|= save_also;
1399	}
1400	OUTPUT:
1401	RETVAL
1402
1403	void	1471	void
1404	_set_stacklevel (...)	1472	_set_stacklevel (...)
1405	ALIAS:	1473	ALIAS:
1406	Coro::State::transfer = 1	1474	Coro::State::transfer = 1
1407	Coro::schedule = 2	1475	Coro::schedule = 2
…		…
1441	}	1509	}
1442		1510
1443	BARRIER;	1511	BARRIER;
1444	TRANSFER (ta);	1512	TRANSFER (ta);
1445		1513
1446	if (GIMME_V != G_VOID && ta.next != ta.prev)	1514	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1447	XSRETURN_YES;	1515	XSRETURN_YES;
1448	}	1516	}
1449		1517
1450	bool	1518	bool
1451	_destroy (SV *coro_sv)	1519	_destroy (SV *coro_sv)
…		…
1502	{	1570	{
1503	if (coro->mainstack)	1571	if (coro->mainstack)
1504	{	1572	{
1505	struct coro temp;	1573	struct coro temp;
1506	Zero (&temp, 1, struct coro);	1574	Zero (&temp, 1, struct coro);
1507	temp.save = CORO_SAVE_ALL;
1508		1575
1509	if (!(coro->flags & CF_RUNNING))	1576	if (!(coro->flags & CF_RUNNING))
1510	{	1577	{
1511	save_perl (aTHX_ &temp);	1578	save_perl (aTHX_ &temp);
1512	load_perl (aTHX_ coro);	1579	load_perl (aTHX_ coro);
…		…
1533	save_perl (aTHX_ coro);	1600	save_perl (aTHX_ coro);
1534	load_perl (aTHX_ &temp);	1601	load_perl (aTHX_ &temp);
1535	}	1602	}
1536	}	1603	}
1537	}	1604	}
1538		1605
1539	SV *	1606	SV *
1540	is_ready (Coro::State coro)	1607	is_ready (Coro::State coro)
1541	PROTOTYPE: $	1608	PROTOTYPE: $
1542	ALIAS:	1609	ALIAS:
1543	is_ready = CF_READY	1610	is_ready = CF_READY
…		…
1548	RETVAL = boolSV (coro->flags & ix);	1615	RETVAL = boolSV (coro->flags & ix);
1549	OUTPUT:	1616	OUTPUT:
1550	RETVAL	1617	RETVAL
1551		1618
1552	void	1619	void
1553	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1620	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1554	CODE:
1555	if (flags & CC_TRACE)
1556	{
1557	if (!coro->cctx)
1558	coro->cctx = cctx_new ();
1559	else if (!(coro->cctx->flags & CC_TRACE))
1560	croak ("cannot enable tracing on coroutine with custom stack");
1561
1562	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1563	}
1564	else
1565	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1566	{
1567	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1568	coro->cctx->flags \|= CC_NOREUSE;
1569
1570	if (coro->flags & CF_RUNNING)
1571	PL_runops = RUNOPS_DEFAULT;
1572	else
1573	coro->runops = RUNOPS_DEFAULT;
1574	}
1575		1621
1576	SV *	1622	SV *
1577	has_stack (Coro::State coro)	1623	has_stack (Coro::State coro)
1578	PROTOTYPE: $	1624	PROTOTYPE: $
1579	CODE:	1625	CODE:
…		…
1590	RETVAL	1636	RETVAL
1591		1637
1592	IV	1638	IV
1593	rss (Coro::State coro)	1639	rss (Coro::State coro)
1594	PROTOTYPE: $	1640	PROTOTYPE: $
		1641	ALIAS:
		1642	usecount = 1
1595	CODE:	1643	CODE:
1596	RETVAL = coro_rss (coro);	1644	switch (ix)
		1645	{
		1646	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1647	case 1: RETVAL = coro->usecount; break;
		1648	}
1597	OUTPUT:	1649	OUTPUT:
1598	RETVAL	1650	RETVAL
1599		1651
1600		1652
1601	MODULE = Coro::State PACKAGE = Coro	1653	MODULE = Coro::State PACKAGE = Coro
…		…
1606		1658
1607	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1659	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1608	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1660	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1609	av_async_pool = get_av ("Coro::async_pool", TRUE);	1661	av_async_pool = get_av ("Coro::async_pool", TRUE);
1610		1662
1611	coro_current = get_sv ("Coro::current", FALSE);	1663	coro_current = get_sv ("Coro::current", FALSE);
1612	SvREADONLY_on (coro_current);	1664	SvREADONLY_on (coro_current);
1613		1665
1614	coro_stash = gv_stashpv ("Coro", TRUE);	1666	coro_stash = gv_stashpv ("Coro", TRUE);
1615		1667
1616	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1668	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1625		1677
1626	{	1678	{
1627	SV *sv = perl_get_sv("Coro::API", 1);	1679	SV *sv = perl_get_sv("Coro::API", 1);
1628		1680
1629	coroapi.schedule = api_schedule;	1681	coroapi.schedule = api_schedule;
1630	coroapi.save = api_save;
1631	coroapi.cede = api_cede;	1682	coroapi.cede = api_cede;
1632	coroapi.cede_notself = api_cede_notself;	1683	coroapi.cede_notself = api_cede_notself;
1633	coroapi.ready = api_ready;	1684	coroapi.ready = api_ready;
1634	coroapi.is_ready = api_is_ready;	1685	coroapi.is_ready = api_is_ready;
1635	coroapi.nready = &coro_nready;	1686	coroapi.nready = &coro_nready;
…		…
1684	CODE:	1735	CODE:
1685	RETVAL = coro_nready;	1736	RETVAL = coro_nready;
1686	OUTPUT:	1737	OUTPUT:
1687	RETVAL	1738	RETVAL
1688		1739
		1740	void
		1741	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1742	PROTOTYPE: $;$
		1743	CODE:
		1744	SvREFCNT_dec (self->throw);
		1745	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1746
1689	# for async_pool speedup	1747	# for async_pool speedup
1690	void	1748	void
1691	_pool_1 (SV *cb)	1749	_pool_1 (SV *cb)
1692	CODE:	1750	CODE:
1693	{	1751	{
1694	int i, len;	1752	struct coro *coro = SvSTATE (coro_current);
1695	HV hv = (HV )SvRV (coro_current);	1753	HV hv = (HV )SvRV (coro_current);
1696	AV *defav = GvAV (PL_defgv);	1754	AV *defav = GvAV (PL_defgv);
1697	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1755	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1698	AV *invoke_av;	1756	AV *invoke_av;
		1757	int i, len;
1699		1758
1700	if (!invoke)	1759	if (!invoke)
1701	croak ("\3terminate\2\n");	1760	croak ("\3terminate\2\n");
		1761
		1762	SvREFCNT_dec (coro->saved_deffh);
		1763	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1702		1764
1703	hv_store (hv, "desc", sizeof ("desc") - 1,	1765	hv_store (hv, "desc", sizeof ("desc") - 1,
1704	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1766	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1705		1767
1706	invoke_av = (AV *)SvRV (invoke);	1768	invoke_av = (AV *)SvRV (invoke);
…		…
1724	{	1786	{
1725	struct coro *coro = SvSTATE (coro_current);	1787	struct coro *coro = SvSTATE (coro_current);
1726		1788
1727	sv_setsv (cb, &PL_sv_undef);	1789	sv_setsv (cb, &PL_sv_undef);
1728		1790
		1791	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1792	coro->saved_deffh = 0;
		1793
1729	if (coro_rss (coro) > SvIV (sv_pool_rss)	1794	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1730	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1795	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1731	croak ("\3terminate\2\n");	1796	croak ("\3terminate\2\n");
1732		1797
1733	av_clear (GvAV (PL_defgv));	1798	av_clear (GvAV (PL_defgv));
1734	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1799	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1735	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1800	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1736	coro->save = CORO_SAVE_DEF;	1801
1737	coro->prio = 0;	1802	coro->prio = 0;
		1803
		1804	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1805	api_trace (coro_current, 0);
		1806
1738	av_push (av_async_pool, newSVsv (coro_current));	1807	av_push (av_async_pool, newSVsv (coro_current));
1739	}	1808	}
1740		1809
1741		1810
1742	MODULE = Coro::State PACKAGE = Coro::AIO	1811	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.168 by root, Thu Sep 27 16:10:48 2007 UTC vs. Revision 1.196 by root, Sat Oct 6 01:11:01 2007 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.168 by root, Thu Sep 27 16:10:48 2007 UTC vs.
Revision 1.196 by root, Sat Oct 6 01:11:01 2007 UTC