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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.158 by root, Fri Sep 21 02:23:48 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC

…		…
75	/* 5.8.7 */	75	/* 5.8.7 */
76	#ifndef SvRV_set	76	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	78	#endif
79		79
		80	/* 5.8.8 */
		81	#ifndef GV_NOTQUAL
		82	# define GV_NOTQUAL 0
		83	#endif
		84	#ifndef newSV
		85	# define newSV(l) NEWSV(0,l)
		86	#endif
		87
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	88	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	89	# undef CORO_STACKGUARD
82	#endif	90	#endif
83		91
84	#ifndef CORO_STACKGUARD	92	#ifndef CORO_STACKGUARD
…		…
132	static AV main_mainstack; / used to differentiate between $main and others */	140	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	141	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	142	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	143	static SV coro_mortal; / will be freed after next transfer */
136		144
		145	static GV irsgv; / $/ */
		146	static GV stdoutgv; / STDOUT /
		147
		148	/* async_pool helper stuff */
		149	static SV *sv_pool_rss;
		150	static SV *sv_pool_size;
		151	static AV *av_async_pool;
		152
137	static struct coro_cctx *cctx_first;	153	static struct coro_cctx *cctx_first;
138	static int cctx_count, cctx_idle;	154	static int cctx_count, cctx_idle;
		155
		156	enum {
		157	CC_MAPPED = 0x01,
		158	CC_NOREUSE = 0x02, /* throw this away after tracing */
		159	CC_TRACE = 0x04,
		160	CC_TRACE_SUB = 0x08, /* trace sub calls */
		161	CC_TRACE_LINE = 0x10, /* trace each statement */
		162	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		163	};
139		164
140	/* this is a structure representing a c-level coroutine */	165	/* this is a structure representing a c-level coroutine */
141	typedef struct coro_cctx {	166	typedef struct coro_cctx {
142	struct coro_cctx *next;	167	struct coro_cctx *next;
143		168
…		…
152	coro_context cctx;	177	coro_context cctx;
153		178
154	#if CORO_USE_VALGRIND	179	#if CORO_USE_VALGRIND
155	int valgrind_id;	180	int valgrind_id;
156	#endif	181	#endif
157	char inuse, mapped;	182	unsigned char flags;
158	} coro_cctx;	183	} coro_cctx;
159		184
160	enum {	185	enum {
161	CF_RUNNING = 0x0001, /* coroutine is running */	186	CF_RUNNING = 0x0001, /* coroutine is running */
162	CF_READY = 0x0002, /* coroutine is ready */	187	CF_READY = 0x0002, /* coroutine is ready */
…		…
170	coro_cctx *cctx;	195	coro_cctx *cctx;
171		196
172	/* data associated with this coroutine (initial args) */	197	/* data associated with this coroutine (initial args) */
173	AV *args;	198	AV *args;
174	int refcnt;	199	int refcnt;
175	int save; /* CORO_SAVE flags */
176	int flags; /* CF_ flags */	200	int flags; /* CF_ flags */
177		201
178	/* optionally saved, might be zero */	202	/* optionally saved, might be zero */
179	AV defav; / @_ */	203	AV defav; / @_ */
180	SV defsv; / $_ */	204	SV defsv; / $_ */
181	SV errsv; / $@ */	205	SV errsv; / $@ */
182	GV deffh; / default filehandle */	206	SV deffh; / default filehandle */
183	SV irssv; / $/ */	207	SV irssv; / $/ */
184	SV irssv_sv; / real $/ cache */	208	SV irssv_sv; / real $/ cache */
185		209
186	#define VAR(name,type) type name;	210	#define VAR(name,type) type name;
187	# include "state.h"	211	# include "state.h"
188	#undef VAR	212	#undef VAR
189		213
		214	/* statistics */
		215	int usecount; /* number of transfers to this coro */
		216
190	/* coro process data */	217	/* coro process data */
191	int prio;	218	int prio;
		219	//SV *throw;
		220
		221	/* async_pool */
		222	SV *saved_deffh;
192		223
193	/* linked list */	224	/* linked list */
194	struct coro next, prev;	225	struct coro next, prev;
195	HV hv; / the perl hash associated with this coro, if any */	226	HV hv; / the perl hash associated with this coro, if any */
196	};	227	};
…		…
284	SvMAGIC (cv) \	315	SvMAGIC (cv) \
285	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	316	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
286	? SvMAGIC (cv) \	317	? SvMAGIC (cv) \
287	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	318	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
288	: 0	319	: 0
		320
		321	static struct coro *
		322	SvSTATE_ (pTHX_ SV *coro)
		323	{
		324	HV *stash;
		325	MAGIC *mg;
		326
		327	if (SvROK (coro))
		328	coro = SvRV (coro);
		329
		330	if (SvTYPE (coro) != SVt_PVHV)
		331	croak ("Coro::State object required");
		332
		333	stash = SvSTASH (coro);
		334	if (stash != coro_stash && stash != coro_state_stash)
		335	{
		336	/* very slow, but rare, check */
		337	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		338	croak ("Coro::State object required");
		339	}
		340
		341	mg = CORO_MAGIC (coro);
		342	return (struct coro *)mg->mg_ptr;
		343	}
		344
		345	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
289		346
290	/* the next two functions merely cache the padlists */	347	/* the next two functions merely cache the padlists */
291	static void	348	static void
292	get_padlist (pTHX_ CV *cv)	349	get_padlist (pTHX_ CV *cv)
293	{	350	{
…		…
332	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
333	}	390	}
334		391
335	/ load & save, init *****************************************************/	392	/ load & save, init *****************************************************/
336		393
337	#define SB do {
338	#define SE } while (0)
339
340	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
341
342	static void	394	static void
343	load_perl (pTHX_ Coro__State c)	395	load_perl (pTHX_ Coro__State c)
344	{	396	{
345	#define VAR(name,type) PL_ ## name = c->name;	397	#define VAR(name,type) PL_ ## name = c->name;
346	# include "state.h"	398	# include "state.h"
347	#undef VAR	399	#undef VAR
348		400
349	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	401	GvSV (PL_defgv) = c->defsv;
350	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	402	GvAV (PL_defgv) = c->defav;
351	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	403	GvSV (PL_errgv) = c->errsv;
352	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	404	GvSV (irsgv) = c->irssv_sv;
353
354	if (c->irssv)
355	{
356	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
357	{
358	SvREFCNT_dec (c->irssv);
359	c->irssv = 0;
360	}
361	else
362	{
363	REPLACE_SV (PL_rs, c->irssv);
364	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
365	sv_setsv (c->irssv_sv, PL_rs);
366	}
367	}
368		405
369	{	406	{
370	dSP;	407	dSP;
371	CV *cv;	408	CV *cv;
372		409
…		…
430	}	467	}
431		468
432	PUTBACK;	469	PUTBACK;
433	}	470	}
434		471
435	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	c->defav = GvAV (PL_defgv);
436	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	473	c->defsv = DEFSV;
437	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = ERRSV;
438	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	475	c->irssv_sv = GvSV (irsgv);
439	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
440		476
441	#define VAR(name,type)c->name = PL_ ## name;	477	#define VAR(name,type)c->name = PL_ ## name;
442	# include "state.h"	478	# include "state.h"
443	#undef VAR	479	#undef VAR
444	}	480	}
…		…
497	* destroy the stacks, the callchain etc...	533	* destroy the stacks, the callchain etc...
498	*/	534	*/
499	static void	535	static void
500	coro_destroy_stacks (pTHX)	536	coro_destroy_stacks (pTHX)
501	{	537	{
502	if (!IN_DESTRUCT)
503	{
504	/* restore all saved variables and stuff */
505	LEAVE_SCOPE (0);
506	assert (PL_tmps_floor == -1);
507
508	/* free all temporaries */
509	FREETMPS;
510	assert (PL_tmps_ix == -1);
511
512	/* unwind all extra stacks */
513	POPSTACK_TO (PL_mainstack);
514
515	/* unwind main stack */
516	dounwind (-1);
517	}
518
519	while (PL_curstackinfo->si_next)	538	while (PL_curstackinfo->si_next)
520	PL_curstackinfo = PL_curstackinfo->si_next;	539	PL_curstackinfo = PL_curstackinfo->si_next;
521		540
522	while (PL_curstackinfo)	541	while (PL_curstackinfo)
523	{	542	{
…		…
539	Safefree (PL_retstack);	558	Safefree (PL_retstack);
540	#endif	559	#endif
541	}	560	}
542		561
543	static size_t	562	static size_t
544	coro_rss (struct coro *coro)	563	coro_rss (pTHX_ struct coro *coro)
545	{	564	{
546	size_t rss = sizeof (coro);	565	size_t rss = sizeof (*coro);
547		566
548	if (coro->mainstack)	567	if (coro->mainstack)
549	{	568	{
550	if (coro->flags & CF_RUNNING)	569	if (coro->flags & CF_RUNNING)
551	{	570	{
…		…
553	# include "state.h"	572	# include "state.h"
554	#undef VAR	573	#undef VAR
555	}	574	}
556		575
557	rss += sizeof (coro->curstackinfo);	576	rss += sizeof (coro->curstackinfo);
558	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);	577	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
559	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
561	rss += coro->tmps_max * sizeof (SV *);	580	rss += coro->tmps_max * sizeof (SV *);
562	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
563	rss += coro->scopestack_max * sizeof (I32);	582	rss += coro->scopestack_max * sizeof (I32);
564	rss += coro->savestack_max * sizeof (ANY);	583	rss += coro->savestack_max * sizeof (ANY);
565		584
…		…
572	}	591	}
573		592
574	/ coroutine stack handling **********************************************/	593	/ coroutine stack handling **********************************************/
575		594
576	static void	595	static void
577	setup_coro (pTHX_ struct coro *coro)	596	coro_setup (pTHX_ struct coro *coro)
578	{	597	{
579	/*	598	/*
580	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
581	*/	600	*/
582	coro_init_stacks (aTHX);	601	coro_init_stacks (aTHX);
583		602
		603	PL_runops = RUNOPS_DEFAULT;
584	PL_curcop = &PL_compiling;	604	PL_curcop = &PL_compiling;
585	PL_in_eval = EVAL_NULL;	605	PL_in_eval = EVAL_NULL;
586	PL_comppad = 0;	606	PL_comppad = 0;
587	PL_curpm = 0;	607	PL_curpm = 0;
588	PL_localizing = 0;	608	PL_localizing = 0;
589	PL_dirty = 0;	609	PL_dirty = 0;
590	PL_restartop = 0;	610	PL_restartop = 0;
		611
		612	GvSV (PL_defgv) = newSV (0);
		613	GvAV (PL_defgv) = coro->args; coro->args = 0;
		614	GvSV (PL_errgv) = newSV (0);
		615	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		616	PL_rs = newSVsv (GvSV (irsgv));
		617	PL_defoutgv = SvREFCNT_inc (stdoutgv);
		618
		619	ENTER; /* necessary e.g. for dounwind */
591		620
592	{	621	{
593	dSP;	622	dSP;
594	LOGOP myop;	623	LOGOP myop;
595		624
596	SvREFCNT_dec (GvAV (PL_defgv));
597	GvAV (PL_defgv) = coro->args; coro->args = 0;
598
599	Zero (&myop, 1, LOGOP);	625	Zero (&myop, 1, LOGOP);
600	myop.op_next = Nullop;	626	myop.op_next = Nullop;
601	myop.op_flags = OPf_WANT_VOID;	627	myop.op_flags = OPf_WANT_VOID;
602		628
603	PUSHMARK (SP);	629	PUSHMARK (SP);
604	XPUSHs (av_shift (GvAV (PL_defgv)));	630	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
605	PUTBACK;	631	PUTBACK;
606	PL_op = (OP *)&myop;	632	PL_op = (OP *)&myop;
607	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
608	SPAGAIN;	634	SPAGAIN;
609	}	635	}
		636	}
610		637
611	ENTER; /* necessary e.g. for dounwind */	638	static void
		639	coro_destroy (pTHX_ struct coro *coro)
		640	{
		641	if (!IN_DESTRUCT)
		642	{
		643	/* restore all saved variables and stuff */
		644	LEAVE_SCOPE (0);
		645	assert (PL_tmps_floor == -1);
		646
		647	/* free all temporaries */
		648	FREETMPS;
		649	assert (PL_tmps_ix == -1);
		650
		651	/* unwind all extra stacks */
		652	POPSTACK_TO (PL_mainstack);
		653
		654	/* unwind main stack */
		655	dounwind (-1);
		656	}
		657
		658	SvREFCNT_dec (GvSV (PL_defgv));
		659	SvREFCNT_dec (GvAV (PL_defgv));
		660	SvREFCNT_dec (GvSV (PL_errgv));
		661	SvREFCNT_dec (PL_defoutgv);
		662	SvREFCNT_dec (PL_rs);
		663	SvREFCNT_dec (GvSV (irsgv));
		664
		665	SvREFCNT_dec (coro->saved_deffh);
		666	//SvREFCNT_dec (coro->throw);
		667
		668	coro_destroy_stacks (aTHX);
612	}	669	}
613		670
614	static void	671	static void
615	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
616	{	673	{
617	if (coro_mortal)	674	if (coro_mortal)
618	{	675	{
619	SvREFCNT_dec (coro_mortal);	676	SvREFCNT_dec (coro_mortal);
620	coro_mortal = 0;	677	coro_mortal = 0;
621	}	678	}
		679	}
		680
		681	static int
		682	runops_trace (pTHX)
		683	{
		684	COP *oldcop = 0;
		685	int oldcxix = -2;
		686	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		687	coro_cctx *cctx = coro->cctx;
		688
		689	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		690	{
		691	PERL_ASYNC_CHECK ();
		692
		693	if (cctx->flags & CC_TRACE_ALL)
		694	{
		695	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		696	{
		697	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		698	SV bot, top;
		699	AV av = newAV (); / return values */
		700	SV **cb;
		701	dSP;
		702
		703	GV *gv = CvGV (cx->blk_sub.cv);
		704	SV *fullname = sv_2mortal (newSV (0));
		705	if (isGV (gv))
		706	gv_efullname3 (fullname, gv, 0);
		707
		708	bot = PL_stack_base + cx->blk_oldsp + 1;
		709	top = cx->blk_gimme == G_ARRAY ? SP + 1
		710	: cx->blk_gimme == G_SCALAR ? bot + 1
		711	: bot;
		712
		713	av_extend (av, top - bot);
		714	while (bot < top)
		715	av_push (av, SvREFCNT_inc (*bot++));
		716
		717	PL_runops = RUNOPS_DEFAULT;
		718	ENTER;
		719	SAVETMPS;
		720	EXTEND (SP, 3);
		721	PUSHMARK (SP);
		722	PUSHs (&PL_sv_no);
		723	PUSHs (fullname);
		724	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		725	PUTBACK;
		726	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		727	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		728	SPAGAIN;
		729	FREETMPS;
		730	LEAVE;
		731	PL_runops = runops_trace;
		732	}
		733
		734	if (oldcop != PL_curcop)
		735	{
		736	oldcop = PL_curcop;
		737
		738	if (PL_curcop != &PL_compiling)
		739	{
		740	SV **cb;
		741
		742	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		743	{
		744	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		745
		746	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		747	{
		748	runops_proc_t old_runops = PL_runops;
		749	dSP;
		750	GV *gv = CvGV (cx->blk_sub.cv);
		751	SV *fullname = sv_2mortal (newSV (0));
		752
		753	if (isGV (gv))
		754	gv_efullname3 (fullname, gv, 0);
		755
		756	PL_runops = RUNOPS_DEFAULT;
		757	ENTER;
		758	SAVETMPS;
		759	EXTEND (SP, 3);
		760	PUSHMARK (SP);
		761	PUSHs (&PL_sv_yes);
		762	PUSHs (fullname);
		763	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		764	PUTBACK;
		765	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		766	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		767	SPAGAIN;
		768	FREETMPS;
		769	LEAVE;
		770	PL_runops = runops_trace;
		771	}
		772
		773	oldcxix = cxstack_ix;
		774	}
		775
		776	if (cctx->flags & CC_TRACE_LINE)
		777	{
		778	dSP;
		779
		780	PL_runops = RUNOPS_DEFAULT;
		781	ENTER;
		782	SAVETMPS;
		783	EXTEND (SP, 3);
		784	PL_runops = RUNOPS_DEFAULT;
		785	PUSHMARK (SP);
		786	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		787	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		788	PUTBACK;
		789	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		790	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		791	SPAGAIN;
		792	FREETMPS;
		793	LEAVE;
		794	PL_runops = runops_trace;
		795	}
		796	}
		797	}
		798	}
		799	}
		800
		801	TAINT_NOT;
		802	return 0;
622	}	803	}
623		804
624	/* inject a fake call to Coro::State::_cctx_init into the execution */	805	/* inject a fake call to Coro::State::_cctx_init into the execution */
625	/* _cctx_init should be careful, as it could be called at almost any time */	806	/* _cctx_init should be careful, as it could be called at almost any time */
626	/* during execution of a perl program */	807	/* during execution of a perl program */
627	static void NOINLINE	808	static void NOINLINE
628	prepare_cctx (pTHX_ coro_cctx *cctx)	809	prepare_cctx (pTHX_ coro_cctx *cctx)
629	{	810	{
630	dSP;	811	dSP;
631	LOGOP myop;	812	LOGOP myop;
		813
		814	PL_top_env = &PL_start_env;
		815
		816	if (cctx->flags & CC_TRACE)
		817	PL_runops = runops_trace;
632		818
633	Zero (&myop, 1, LOGOP);	819	Zero (&myop, 1, LOGOP);
634	myop.op_next = PL_op;	820	myop.op_next = PL_op;
635	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	821	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
636		822
…		…
653	dTHX;	839	dTHX;
654		840
655	/* coro_run is the alternative tail of transfer(), so unlock here. */	841	/* coro_run is the alternative tail of transfer(), so unlock here. */
656	UNLOCK;	842	UNLOCK;
657		843
658	PL_top_env = &PL_start_env;	844	/* we now skip the entersub that lead to transfer() */
		845	PL_op = PL_op->op_next;
659		846
660	/* inject a fake subroutine call to cctx_init */	847	/* inject a fake subroutine call to cctx_init */
661	prepare_cctx (aTHX_ (coro_cctx *)arg);	848	prepare_cctx (aTHX_ (coro_cctx *)arg);
662		849
663	/* somebody or something will hit me for both perl_run and PL_restartop */	850	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
697	# if CORO_STACKGUARD	884	# if CORO_STACKGUARD
698	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	885	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
699	# endif	886	# endif
700	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	887	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
701	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	888	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
702	cctx->mapped = 1;	889	cctx->flags \|= CC_MAPPED;
703	}	890	}
704	else	891	else
705	#endif	892	#endif
706	{	893	{
707	cctx->ssize = coro_stacksize * (long)sizeof (long);	894	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
734	#if CORO_USE_VALGRIND	921	#if CORO_USE_VALGRIND
735	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	922	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
736	#endif	923	#endif
737		924
738	#if HAVE_MMAP	925	#if HAVE_MMAP
739	if (cctx->mapped)	926	if (cctx->flags & CC_MAPPED)
740	munmap (cctx->sptr, cctx->ssize);	927	munmap (cctx->sptr, cctx->ssize);
741	else	928	else
742	#endif	929	#endif
743	Safefree (cctx->sptr);	930	Safefree (cctx->sptr);
744		931
745	Safefree (cctx);	932	Safefree (cctx);
746	}	933	}
		934
		935	/* wether this cctx should be destructed */
		936	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
747		937
748	static coro_cctx *	938	static coro_cctx *
749	cctx_get (pTHX)	939	cctx_get (pTHX)
750	{	940	{
751	while (cctx_first)	941	while (cctx_first)
752	{	942	{
753	coro_cctx *cctx = cctx_first;	943	coro_cctx *cctx = cctx_first;
754	cctx_first = cctx->next;	944	cctx_first = cctx->next;
755	--cctx_idle;	945	--cctx_idle;
756		946
757	if (cctx->ssize >= coro_stacksize)	947	if (!CCTX_EXPIRED (cctx))
758	return cctx;	948	return cctx;
759		949
760	cctx_destroy (cctx);	950	cctx_destroy (cctx);
761	}	951	}
762		952
763	PL_op = PL_op->op_next;
764	return cctx_new ();	953	return cctx_new ();
765	}	954	}
766		955
767	static void	956	static void
768	cctx_put (coro_cctx *cctx)	957	cctx_put (coro_cctx *cctx)
…		…
772	{	961	{
773	coro_cctx *first = cctx_first;	962	coro_cctx *first = cctx_first;
774	cctx_first = first->next;	963	cctx_first = first->next;
775	--cctx_idle;	964	--cctx_idle;
776		965
777	assert (!first->inuse);
778	cctx_destroy (first);	966	cctx_destroy (first);
779	}	967	}
780		968
781	++cctx_idle;	969	++cctx_idle;
782	cctx->next = cctx_first;	970	cctx->next = cctx_first;
783	cctx_first = cctx;	971	cctx_first = cctx;
784	}	972	}
785		973
786	/ coroutine switching ***************************************************/	974	/ coroutine switching ***************************************************/
787		975
788	/* never call directly, always through the coro_state_transfer global variable */	976	static void NOINLINE
		977	transfer_check (pTHX_ struct coro prev, struct coro next)
		978	{
		979	if (prev != next)
		980	{
		981	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		982	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		983
		984	if (next->flags & CF_RUNNING)
		985	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		986
		987	if (next->flags & CF_DESTROYED)
		988	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		989
		990	if (PL_lex_state != LEX_NOTPARSING)
		991	croak ("Coro::State::transfer called while parsing, but this is not supported");
		992	}
		993	}
		994
		995	/* always use the TRANSFER macro */
789	static void NOINLINE	996	static void NOINLINE
790	transfer (pTHX_ struct coro prev, struct coro next)	997	transfer (pTHX_ struct coro prev, struct coro next)
791	{	998	{
792	dSTACKLEVEL;	999	dSTACKLEVEL;
793		1000
…		…
803		1010
804	if (prev->flags & CF_NEW)	1011	if (prev->flags & CF_NEW)
805	{	1012	{
806	/* create a new empty context */	1013	/* create a new empty context */
807	Newz (0, prev->cctx, 1, coro_cctx);	1014	Newz (0, prev->cctx, 1, coro_cctx);
808	prev->cctx->inuse = 1;
809	prev->flags &= ~CF_NEW;	1015	prev->flags &= ~CF_NEW;
810	prev->flags \|= CF_RUNNING;	1016	prev->flags \|= CF_RUNNING;
811	}	1017	}
812
813	/TODO: must not croak here /
814	if (!prev->flags & CF_RUNNING)
815	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
816
817	if (next->flags & CF_RUNNING)
818	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
819
820	if (next->flags & CF_DESTROYED)
821	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
822		1018
823	prev->flags &= ~CF_RUNNING;	1019	prev->flags &= ~CF_RUNNING;
824	next->flags \|= CF_RUNNING;	1020	next->flags \|= CF_RUNNING;
825		1021
826	LOCK;	1022	LOCK;
…		…
830	/* need to start coroutine */	1026	/* need to start coroutine */
831	next->flags &= ~CF_NEW;	1027	next->flags &= ~CF_NEW;
832	/* first get rid of the old state */	1028	/* first get rid of the old state */
833	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
834	/* setup coroutine call */	1030	/* setup coroutine call */
835	setup_coro (aTHX_ next);	1031	coro_setup (aTHX_ next);
836	/* need a new stack */
837	assert (!next->cctx);
838	}	1032	}
839	else	1033	else
840	{	1034	{
841	/* coroutine already started */	1035	/* coroutine already started */
842	save_perl (aTHX_ prev);	1036	save_perl (aTHX_ prev);
…		…
844	}	1038	}
845		1039
846	prev__cctx = prev->cctx;	1040	prev__cctx = prev->cctx;
847		1041
848	/* possibly "free" the cctx */	1042	/* possibly "free" the cctx */
849	if (prev__cctx->idle_sp == STACKLEVEL)	1043	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
850	{	1044	{
851	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1045	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
852	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1046	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
853		1047
854	prev->cctx = 0;	1048	prev->cctx = 0;
855		1049
		1050	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1051	if (CCTX_EXPIRED (prev__cctx))
		1052	next->cctx = cctx_get (aTHX);
		1053
856	cctx_put (prev__cctx);	1054	cctx_put (prev__cctx);
857	prev__cctx->inuse = 0;
858	}	1055	}
859		1056
		1057	++next->usecount;
		1058
860	if (!next->cctx)	1059	if (!next->cctx)
861	{
862	next->cctx = cctx_get (aTHX);	1060	next->cctx = cctx_get (aTHX);
863	assert (!next->cctx->inuse);
864	next->cctx->inuse = 1;
865	}
866		1061
867	if (prev__cctx != next->cctx)	1062	if (prev__cctx != next->cctx)
868	{	1063	{
869	prev__cctx->top_env = PL_top_env;	1064	prev__cctx->top_env = PL_top_env;
870	PL_top_env = next->cctx->top_env;	1065	PL_top_env = next->cctx->top_env;
…		…
880	{	1075	{
881	struct coro prev, next;	1076	struct coro prev, next;
882	};	1077	};
883		1078
884	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1079	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1080	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
885		1081
886	/ high level stuff ******************************************************/	1082	/ high level stuff ******************************************************/
887		1083
888	static int	1084	static int
889	coro_state_destroy (pTHX_ struct coro *coro)	1085	coro_state_destroy (pTHX_ struct coro *coro)
…		…
906		1102
907	if (coro->mainstack && coro->mainstack != main_mainstack)	1103	if (coro->mainstack && coro->mainstack != main_mainstack)
908	{	1104	{
909	struct coro temp;	1105	struct coro temp;
910		1106
911	assert (!(coro->flags & CF_RUNNING));
912
913	Zero (&temp, 1, struct coro);
914	temp.save = CORO_SAVE_ALL;
915
916	if (coro->flags & CF_RUNNING)	1107	if (coro->flags & CF_RUNNING)
917	croak ("FATAL: tried to destroy currently running coroutine");	1108	croak ("FATAL: tried to destroy currently running coroutine");
918		1109
919	save_perl (aTHX_ &temp);	1110	save_perl (aTHX_ &temp);
920	load_perl (aTHX_ coro);	1111	load_perl (aTHX_ coro);
921		1112
922	coro_destroy_stacks (aTHX);	1113	coro_destroy (aTHX_ coro);
923		1114
924	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1115	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
925		1116
926	coro->mainstack = 0;	1117	coro->mainstack = 0;
927	}	1118	}
…		…
972	#else	1163	#else
973	# define MGf_DUP 0	1164	# define MGf_DUP 0
974	#endif	1165	#endif
975	};	1166	};
976		1167
977	static struct coro *
978	SvSTATE_ (pTHX_ SV *coro)
979	{
980	HV *stash;
981	MAGIC *mg;
982
983	if (SvROK (coro))
984	coro = SvRV (coro);
985
986	stash = SvSTASH (coro);
987	if (stash != coro_stash && stash != coro_state_stash)
988	{
989	/* very slow, but rare, check */
990	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
991	croak ("Coro::State object required");
992	}
993
994	mg = CORO_MAGIC (coro);
995	return (struct coro *)mg->mg_ptr;
996	}
997
998	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
999
1000	static void	1168	static void
1001	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1169	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1002	{	1170	{
1003	ta->prev = SvSTATE (prev_sv);	1171	ta->prev = SvSTATE (prev_sv);
1004	ta->next = SvSTATE (next_sv);	1172	ta->next = SvSTATE (next_sv);
		1173	TRANSFER_CHECK (*ta);
1005	}	1174	}
1006		1175
1007	static void	1176	static void
1008	api_transfer (SV prev_sv, SV next_sv)	1177	api_transfer (SV prev_sv, SV next_sv)
1009	{	1178	{
1010	dTHX;	1179	dTHX;
1011	struct transfer_args ta;	1180	struct transfer_args ta;
1012		1181
1013	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1182	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1014	TRANSFER (ta);	1183	TRANSFER (ta);
1015	}
1016
1017	static int
1018	api_save (SV *coro_sv, int new_save)
1019	{
1020	dTHX;
1021	struct coro *coro = SvSTATE (coro_sv);
1022	int old_save = coro->save;
1023
1024	if (new_save >= 0)
1025	coro->save = new_save;
1026
1027	return old_save;
1028	}	1184	}
1029		1185
1030	/ Coro ******************************************************************/	1186	/ Coro ******************************************************************/
1031		1187
1032	static void	1188	static void
…		…
1126	break;	1282	break;
1127	}	1283	}
1128		1284
1129	/* free this only after the transfer */	1285	/* free this only after the transfer */
1130	prev_sv = SvRV (coro_current);	1286	prev_sv = SvRV (coro_current);
1131	SvRV_set (coro_current, next_sv);
1132	ta->prev = SvSTATE (prev_sv);	1287	ta->prev = SvSTATE (prev_sv);
1133		1288	TRANSFER_CHECK (*ta);
1134	assert (ta->next->flags & CF_READY);	1289	assert (ta->next->flags & CF_READY);
1135	ta->next->flags &= ~CF_READY;	1290	ta->next->flags &= ~CF_READY;
		1291	SvRV_set (coro_current, next_sv);
1136		1292
1137	LOCK;	1293	LOCK;
1138	free_coro_mortal (aTHX);	1294	free_coro_mortal (aTHX);
1139	coro_mortal = prev_sv;	1295	coro_mortal = prev_sv;
1140	UNLOCK;	1296	UNLOCK;
…		…
1201	}	1357	}
1202	else	1358	else
1203	return 0;	1359	return 0;
1204	}	1360	}
1205		1361
		1362	static void
		1363	api_trace (SV *coro_sv, int flags)
		1364	{
		1365	dTHX;
		1366	struct coro *coro = SvSTATE (coro_sv);
		1367
		1368	if (flags & CC_TRACE)
		1369	{
		1370	if (!coro->cctx)
		1371	coro->cctx = cctx_new ();
		1372	else if (!(coro->cctx->flags & CC_TRACE))
		1373	croak ("cannot enable tracing on coroutine with custom stack");
		1374
		1375	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1376	}
		1377	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1378	{
		1379	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1380
		1381	if (coro->flags & CF_RUNNING)
		1382	PL_runops = RUNOPS_DEFAULT;
		1383	else
		1384	coro->runops = RUNOPS_DEFAULT;
		1385	}
		1386	}
		1387
1206	MODULE = Coro::State PACKAGE = Coro::State	1388	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1207		1389
1208	PROTOTYPES: DISABLE	1390	PROTOTYPES: DISABLE
1209		1391
1210	BOOT:	1392	BOOT:
1211	{	1393	{
1212	#ifdef USE_ITHREADS	1394	#ifdef USE_ITHREADS
1213	MUTEX_INIT (&coro_mutex);	1395	MUTEX_INIT (&coro_mutex);
1214	#endif	1396	#endif
1215	BOOT_PAGESIZE;	1397	BOOT_PAGESIZE;
1216		1398
		1399	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1400	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1401
1217	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1402	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1218		1403
1219	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1404	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1220	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1405	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1221	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1222	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1223	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1224	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1406	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1225	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1407	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1226		1408
1227	main_mainstack = PL_mainstack;	1409	main_mainstack = PL_mainstack;
1228	main_top_env = PL_top_env;	1410	main_top_env = PL_top_env;
1229		1411
1230	while (main_top_env->je_prev)	1412	while (main_top_env->je_prev)
…		…
1243	struct coro *coro;	1425	struct coro *coro;
1244	HV *hv;	1426	HV *hv;
1245	int i;	1427	int i;
1246		1428
1247	Newz (0, coro, 1, struct coro);	1429	Newz (0, coro, 1, struct coro);
1248	coro->args = newAV ();	1430	coro->args = newAV ();
1249	coro->save = CORO_SAVE_DEF;
1250	coro->flags = CF_NEW;	1431	coro->flags = CF_NEW;
1251		1432
1252	if (coro_first) coro_first->prev = coro;	1433	if (coro_first) coro_first->prev = coro;
1253	coro->next = coro_first;	1434	coro->next = coro_first;
1254	coro_first = coro;	1435	coro_first = coro;
1255		1436
1256	coro->hv = hv = newHV ();	1437	coro->hv = hv = newHV ();
1257	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1438	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1258	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1439	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1259		1440
		1441	av_extend (coro->args, items - 1);
1260	for (i = 1; i < items; i++)	1442	for (i = 1; i < items; i++)
1261	av_push (coro->args, newSVsv (ST (i)));	1443	av_push (coro->args, newSVsv (ST (i)));
1262	}	1444	}
1263	OUTPUT:	1445	OUTPUT:
1264	RETVAL	1446	RETVAL
1265		1447
1266	int	1448	# these not obviously related functions are all rolled into the same xs
1267	save (SV *coro, int new_save = -1)	1449	# function to increase chances that they all will call transfer with the same
1268	CODE:	1450	# stack offset
1269	RETVAL = api_save (coro, new_save);
1270	OUTPUT:
1271	RETVAL
1272
1273	int
1274	save_also (SV *coro_sv, int save_also)
1275	CODE:
1276	{
1277	struct coro *coro = SvSTATE (coro_sv);
1278	RETVAL = coro->save;
1279	coro->save \|= save_also;
1280	}
1281	OUTPUT:
1282	RETVAL
1283
1284	void	1451	void
1285	_set_stacklevel (...)	1452	_set_stacklevel (...)
1286	ALIAS:	1453	ALIAS:
1287	Coro::State::transfer = 1	1454	Coro::State::transfer = 1
1288	Coro::schedule = 2	1455	Coro::schedule = 2
…		…
1374	if (coro->hv)	1541	if (coro->hv)
1375	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1542	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1376	}	1543	}
1377		1544
1378	void	1545	void
1379	_eval (Coro::State coro, SV *coderef)	1546	call (Coro::State coro, SV *coderef)
		1547	ALIAS:
		1548	eval = 1
1380	CODE:	1549	CODE:
1381	{	1550	{
1382	if (coro->mainstack)	1551	if (coro->mainstack)
1383	{	1552	{
1384	struct coro temp;	1553	struct coro temp;
1385	Zero (&temp, 1, struct coro);	1554	Zero (&temp, 1, struct coro);
1386	temp.save = CORO_SAVE_ALL;
1387		1555
1388	if (!(coro->flags & CF_RUNNING))	1556	if (!(coro->flags & CF_RUNNING))
1389	{	1557	{
1390	save_perl (aTHX_ &temp);	1558	save_perl (aTHX_ &temp);
1391	load_perl (aTHX_ coro);	1559	load_perl (aTHX_ coro);
…		…
1395	dSP;	1563	dSP;
1396	ENTER;	1564	ENTER;
1397	SAVETMPS;	1565	SAVETMPS;
1398	PUSHMARK (SP);	1566	PUSHMARK (SP);
1399	PUTBACK;	1567	PUTBACK;
		1568	if (ix)
		1569	eval_sv (coderef, 0);
		1570	else
1400	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1571	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1401	SPAGAIN;	1572	SPAGAIN;
1402	FREETMPS;	1573	FREETMPS;
1403	LEAVE;	1574	LEAVE;
1404	PUTBACK;	1575	PUTBACK;
1405	}	1576	}
…		…
1409	save_perl (aTHX_ coro);	1580	save_perl (aTHX_ coro);
1410	load_perl (aTHX_ &temp);	1581	load_perl (aTHX_ &temp);
1411	}	1582	}
1412	}	1583	}
1413	}	1584	}
1414		1585
1415	SV *	1586	SV *
1416	is_ready (Coro::State coro)	1587	is_ready (Coro::State coro)
1417	PROTOTYPE: $	1588	PROTOTYPE: $
1418	ALIAS:	1589	ALIAS:
1419	is_ready = CF_READY	1590	is_ready = CF_READY
…		…
1423	CODE:	1594	CODE:
1424	RETVAL = boolSV (coro->flags & ix);	1595	RETVAL = boolSV (coro->flags & ix);
1425	OUTPUT:	1596	OUTPUT:
1426	RETVAL	1597	RETVAL
1427		1598
		1599	void
		1600	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1601
		1602	SV *
		1603	has_stack (Coro::State coro)
		1604	PROTOTYPE: $
		1605	CODE:
		1606	RETVAL = boolSV (!!coro->cctx);
		1607	OUTPUT:
		1608	RETVAL
		1609
		1610	int
		1611	is_traced (Coro::State coro)
		1612	PROTOTYPE: $
		1613	CODE:
		1614	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1615	OUTPUT:
		1616	RETVAL
		1617
1428	IV	1618	IV
1429	rss (Coro::State coro)	1619	rss (Coro::State coro)
1430	PROTOTYPE: $	1620	PROTOTYPE: $
		1621	ALIAS:
		1622	usecount = 1
1431	CODE:	1623	CODE:
1432	RETVAL = coro_rss (coro);	1624	switch (ix)
		1625	{
		1626	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1627	case 1: RETVAL = coro->usecount; break;
		1628	}
1433	OUTPUT:	1629	OUTPUT:
1434	RETVAL	1630	RETVAL
1435		1631
1436		1632
1437	MODULE = Coro::State PACKAGE = Coro	1633	MODULE = Coro::State PACKAGE = Coro
1438		1634
1439	BOOT:	1635	BOOT:
1440	{	1636	{
1441	int i;	1637	int i;
		1638
		1639	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1640	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1641	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1642
		1643	coro_current = get_sv ("Coro::current", FALSE);
		1644	SvREADONLY_on (coro_current);
1442		1645
1443	coro_stash = gv_stashpv ("Coro", TRUE);	1646	coro_stash = gv_stashpv ("Coro", TRUE);
1444		1647
1445	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1648	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1446	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1649	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1447	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1650	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1448	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1651	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1449	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1652	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1450	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1653	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1451		1654
1452	coro_current = get_sv ("Coro::current", FALSE);
1453	SvREADONLY_on (coro_current);
1454
1455	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1655	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1456	coro_ready[i] = newAV ();	1656	coro_ready[i] = newAV ();
1457		1657
1458	{	1658	{
1459	SV *sv = perl_get_sv("Coro::API", 1);	1659	SV *sv = perl_get_sv("Coro::API", 1);
1460		1660
1461	coroapi.schedule = api_schedule;	1661	coroapi.schedule = api_schedule;
1462	coroapi.save = api_save;
1463	coroapi.cede = api_cede;	1662	coroapi.cede = api_cede;
1464	coroapi.cede_notself = api_cede_notself;	1663	coroapi.cede_notself = api_cede_notself;
1465	coroapi.ready = api_ready;	1664	coroapi.ready = api_ready;
1466	coroapi.is_ready = api_is_ready;	1665	coroapi.is_ready = api_is_ready;
1467	coroapi.nready = &coro_nready;	1666	coroapi.nready = &coro_nready;
…		…
1516	CODE:	1715	CODE:
1517	RETVAL = coro_nready;	1716	RETVAL = coro_nready;
1518	OUTPUT:	1717	OUTPUT:
1519	RETVAL	1718	RETVAL
1520		1719
		1720	# for async_pool speedup
		1721	void
		1722	_pool_1 (SV *cb)
		1723	CODE:
		1724	{
		1725	struct coro *coro = SvSTATE (coro_current);
		1726	HV hv = (HV )SvRV (coro_current);
		1727	AV *defav = GvAV (PL_defgv);
		1728	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1729	AV *invoke_av;
		1730	int i, len;
		1731
		1732	if (!invoke)
		1733	croak ("\3terminate\2\n");
		1734
		1735	SvREFCNT_dec (coro->saved_deffh);
		1736	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1737
		1738	hv_store (hv, "desc", sizeof ("desc") - 1,
		1739	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1740
		1741	invoke_av = (AV *)SvRV (invoke);
		1742	len = av_len (invoke_av);
		1743
		1744	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1745
		1746	if (len > 0)
		1747	{
		1748	av_fill (defav, len - 1);
		1749	for (i = 0; i < len; ++i)
		1750	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1751	}
		1752
		1753	SvREFCNT_dec (invoke);
		1754	}
		1755
		1756	void
		1757	_pool_2 (SV *cb)
		1758	CODE:
		1759	{
		1760	struct coro *coro = SvSTATE (coro_current);
		1761
		1762	sv_setsv (cb, &PL_sv_undef);
		1763
		1764	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1765	coro->saved_deffh = 0;
		1766
		1767	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1768	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1769	croak ("\3terminate\2\n");
		1770
		1771	av_clear (GvAV (PL_defgv));
		1772	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1773	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1774
		1775	coro->prio = 0;
		1776
		1777	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1778	api_trace (coro_current, 0);
		1779
		1780	av_push (av_async_pool, newSVsv (coro_current));
		1781	}
		1782
		1783
1521	MODULE = Coro::State PACKAGE = Coro::AIO	1784	MODULE = Coro::State PACKAGE = Coro::AIO
1522		1785
1523	SV *	1786	SV *
1524	_get_state ()	1787	_get_state ()
1525	CODE:	1788	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.158 by root, Fri Sep 21 02:23:48 2007 UTC vs. Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.158 by root, Fri Sep 21 02:23:48 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC