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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.160 by root, Sat Sep 22 22:39:15 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
137	/* async_pool helper stuff */	148	/* async_pool helper stuff */
138	static SV *sv_pool_rss;	149	static SV *sv_pool_rss;
139	static SV *sv_pool_size;	150	static SV *sv_pool_size;
140	static AV *av_async_pool;	151	static AV *av_async_pool;
141		152
142	static struct coro_cctx *cctx_first;	153	static struct coro_cctx *cctx_first;
143	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	};
144		164
145	/* this is a structure representing a c-level coroutine */	165	/* this is a structure representing a c-level coroutine */
146	typedef struct coro_cctx {	166	typedef struct coro_cctx {
147	struct coro_cctx *next;	167	struct coro_cctx *next;
148		168
…		…
157	coro_context cctx;	177	coro_context cctx;
158		178
159	#if CORO_USE_VALGRIND	179	#if CORO_USE_VALGRIND
160	int valgrind_id;	180	int valgrind_id;
161	#endif	181	#endif
162	char inuse, mapped;	182	unsigned char flags;
163	} coro_cctx;	183	} coro_cctx;
164		184
165	enum {	185	enum {
166	CF_RUNNING = 0x0001, /* coroutine is running */	186	CF_RUNNING = 0x0001, /* coroutine is running */
167	CF_READY = 0x0002, /* coroutine is ready */	187	CF_READY = 0x0002, /* coroutine is ready */
…		…
175	coro_cctx *cctx;	195	coro_cctx *cctx;
176		196
177	/* data associated with this coroutine (initial args) */	197	/* data associated with this coroutine (initial args) */
178	AV *args;	198	AV *args;
179	int refcnt;	199	int refcnt;
180	int save; /* CORO_SAVE flags */
181	int flags; /* CF_ flags */	200	int flags; /* CF_ flags */
182		201
183	/* optionally saved, might be zero */	202	/* optionally saved, might be zero */
184	AV defav; / @_ */	203	AV defav; / @_ */
185	SV defsv; / $_ */	204	SV defsv; / $_ */
186	SV errsv; / $@ */	205	SV errsv; / $@ */
187	GV deffh; / default filehandle */	206	SV deffh; / default filehandle */
188	SV irssv; / $/ */	207	SV irssv; / $/ */
189	SV irssv_sv; / real $/ cache */	208	SV irssv_sv; / real $/ cache */
190		209
191	#define VAR(name,type) type name;	210	#define VAR(name,type) type name;
192	# include "state.h"	211	# include "state.h"
193	#undef VAR	212	#undef VAR
194		213
		214	/* statistics */
		215	int usecount; /* number of transfers to this coro */
		216
195	/* coro process data */	217	/* coro process data */
196	int prio;	218	int prio;
		219	//SV *throw;
		220
		221	/* async_pool */
		222	SV *saved_deffh;
197		223
198	/* linked list */	224	/* linked list */
199	struct coro next, prev;	225	struct coro next, prev;
200	HV hv; / the perl hash associated with this coro, if any */	226	HV hv; / the perl hash associated with this coro, if any */
201	};	227	};
…		…
289	SvMAGIC (cv) \	315	SvMAGIC (cv) \
290	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	316	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
291	? SvMAGIC (cv) \	317	? SvMAGIC (cv) \
292	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	318	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
293	: 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))
294		346
295	/* the next two functions merely cache the padlists */	347	/* the next two functions merely cache the padlists */
296	static void	348	static void
297	get_padlist (pTHX_ CV *cv)	349	get_padlist (pTHX_ CV *cv)
298	{	350	{
…		…
337	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
338	}	390	}
339		391
340	/ load & save, init *****************************************************/	392	/ load & save, init *****************************************************/
341		393
342	#define SB do {
343	#define SE } while (0)
344
345	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
346
347	static void	394	static void
348	load_perl (pTHX_ Coro__State c)	395	load_perl (pTHX_ Coro__State c)
349	{	396	{
350	#define VAR(name,type) PL_ ## name = c->name;	397	#define VAR(name,type) PL_ ## name = c->name;
351	# include "state.h"	398	# include "state.h"
352	#undef VAR	399	#undef VAR
353		400
354	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	401	GvSV (PL_defgv) = c->defsv;
355	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	402	GvAV (PL_defgv) = c->defav;
356	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	403	GvSV (PL_errgv) = c->errsv;
357	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	404	GvSV (irsgv) = c->irssv_sv;
358
359	if (c->irssv)
360	{
361	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
362	{
363	SvREFCNT_dec (c->irssv);
364	c->irssv = 0;
365	}
366	else
367	{
368	REPLACE_SV (PL_rs, c->irssv);
369	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
370	sv_setsv (c->irssv_sv, PL_rs);
371	}
372	}
373		405
374	{	406	{
375	dSP;	407	dSP;
376	CV *cv;	408	CV *cv;
377		409
…		…
435	}	467	}
436		468
437	PUTBACK;	469	PUTBACK;
438	}	470	}
439		471
440	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	c->defav = GvAV (PL_defgv);
441	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	473	c->defsv = DEFSV;
442	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = ERRSV;
443	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	475	c->irssv_sv = GvSV (irsgv);
444	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
445		476
446	#define VAR(name,type)c->name = PL_ ## name;	477	#define VAR(name,type)c->name = PL_ ## name;
447	# include "state.h"	478	# include "state.h"
448	#undef VAR	479	#undef VAR
449	}	480	}
…		…
502	* destroy the stacks, the callchain etc...	533	* destroy the stacks, the callchain etc...
503	*/	534	*/
504	static void	535	static void
505	coro_destroy_stacks (pTHX)	536	coro_destroy_stacks (pTHX)
506	{	537	{
507	if (!IN_DESTRUCT)
508	{
509	/* restore all saved variables and stuff */
510	LEAVE_SCOPE (0);
511	assert (PL_tmps_floor == -1);
512
513	/* free all temporaries */
514	FREETMPS;
515	assert (PL_tmps_ix == -1);
516
517	/* unwind all extra stacks */
518	POPSTACK_TO (PL_mainstack);
519
520	/* unwind main stack */
521	dounwind (-1);
522	}
523
524	while (PL_curstackinfo->si_next)	538	while (PL_curstackinfo->si_next)
525	PL_curstackinfo = PL_curstackinfo->si_next;	539	PL_curstackinfo = PL_curstackinfo->si_next;
526		540
527	while (PL_curstackinfo)	541	while (PL_curstackinfo)
528	{	542	{
…		…
544	Safefree (PL_retstack);	558	Safefree (PL_retstack);
545	#endif	559	#endif
546	}	560	}
547		561
548	static size_t	562	static size_t
549	coro_rss (struct coro *coro)	563	coro_rss (pTHX_ struct coro *coro)
550	{	564	{
551	size_t rss = sizeof (coro);	565	size_t rss = sizeof (*coro);
552		566
553	if (coro->mainstack)	567	if (coro->mainstack)
554	{	568	{
555	if (coro->flags & CF_RUNNING)	569	if (coro->flags & CF_RUNNING)
556	{	570	{
…		…
558	# include "state.h"	572	# include "state.h"
559	#undef VAR	573	#undef VAR
560	}	574	}
561		575
562	rss += sizeof (coro->curstackinfo);	576	rss += sizeof (coro->curstackinfo);
563	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 *);
564	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
565	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
566	rss += coro->tmps_max * sizeof (SV *);	580	rss += coro->tmps_max * sizeof (SV *);
567	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
568	rss += coro->scopestack_max * sizeof (I32);	582	rss += coro->scopestack_max * sizeof (I32);
569	rss += coro->savestack_max * sizeof (ANY);	583	rss += coro->savestack_max * sizeof (ANY);
570		584
…		…
577	}	591	}
578		592
579	/ coroutine stack handling **********************************************/	593	/ coroutine stack handling **********************************************/
580		594
581	static void	595	static void
582	setup_coro (pTHX_ struct coro *coro)	596	coro_setup (pTHX_ struct coro *coro)
583	{	597	{
584	/*	598	/*
585	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
586	*/	600	*/
587	coro_init_stacks (aTHX);	601	coro_init_stacks (aTHX);
588		602
		603	PL_runops = RUNOPS_DEFAULT;
589	PL_curcop = &PL_compiling;	604	PL_curcop = &PL_compiling;
590	PL_in_eval = EVAL_NULL;	605	PL_in_eval = EVAL_NULL;
591	PL_comppad = 0;	606	PL_comppad = 0;
592	PL_curpm = 0;	607	PL_curpm = 0;
593	PL_localizing = 0;	608	PL_localizing = 0;
594	PL_dirty = 0;	609	PL_dirty = 0;
595	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 */
596		620
597	{	621	{
598	dSP;	622	dSP;
599	LOGOP myop;	623	LOGOP myop;
600		624
601	SvREFCNT_dec (GvAV (PL_defgv));
602	GvAV (PL_defgv) = coro->args; coro->args = 0;
603
604	Zero (&myop, 1, LOGOP);	625	Zero (&myop, 1, LOGOP);
605	myop.op_next = Nullop;	626	myop.op_next = Nullop;
606	myop.op_flags = OPf_WANT_VOID;	627	myop.op_flags = OPf_WANT_VOID;
607		628
608	PUSHMARK (SP);	629	PUSHMARK (SP);
609	XPUSHs (av_shift (GvAV (PL_defgv)));	630	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
610	PUTBACK;	631	PUTBACK;
611	PL_op = (OP *)&myop;	632	PL_op = (OP *)&myop;
612	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
613	SPAGAIN;	634	SPAGAIN;
614	}	635	}
		636	}
615		637
616	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);
617	}	669	}
618		670
619	static void	671	static void
620	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
621	{	673	{
622	if (coro_mortal)	674	if (coro_mortal)
623	{	675	{
624	SvREFCNT_dec (coro_mortal);	676	SvREFCNT_dec (coro_mortal);
625	coro_mortal = 0;	677	coro_mortal = 0;
626	}	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;
627	}	803	}
628		804
629	/* 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 */
630	/* _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 */
631	/* during execution of a perl program */	807	/* during execution of a perl program */
632	static void NOINLINE	808	static void NOINLINE
633	prepare_cctx (pTHX_ coro_cctx *cctx)	809	prepare_cctx (pTHX_ coro_cctx *cctx)
634	{	810	{
635	dSP;	811	dSP;
636	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;
637		818
638	Zero (&myop, 1, LOGOP);	819	Zero (&myop, 1, LOGOP);
639	myop.op_next = PL_op;	820	myop.op_next = PL_op;
640	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	821	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
641		822
…		…
658	dTHX;	839	dTHX;
659		840
660	/* coro_run is the alternative tail of transfer(), so unlock here. */	841	/* coro_run is the alternative tail of transfer(), so unlock here. */
661	UNLOCK;	842	UNLOCK;
662		843
663	PL_top_env = &PL_start_env;	844	/* we now skip the entersub that lead to transfer() */
		845	PL_op = PL_op->op_next;
664		846
665	/* inject a fake subroutine call to cctx_init */	847	/* inject a fake subroutine call to cctx_init */
666	prepare_cctx (aTHX_ (coro_cctx *)arg);	848	prepare_cctx (aTHX_ (coro_cctx *)arg);
667		849
668	/* 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 */
…		…
702	# if CORO_STACKGUARD	884	# if CORO_STACKGUARD
703	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	885	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
704	# endif	886	# endif
705	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	887	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
706	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	888	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
707	cctx->mapped = 1;	889	cctx->flags \|= CC_MAPPED;
708	}	890	}
709	else	891	else
710	#endif	892	#endif
711	{	893	{
712	cctx->ssize = coro_stacksize * (long)sizeof (long);	894	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
739	#if CORO_USE_VALGRIND	921	#if CORO_USE_VALGRIND
740	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	922	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
741	#endif	923	#endif
742		924
743	#if HAVE_MMAP	925	#if HAVE_MMAP
744	if (cctx->mapped)	926	if (cctx->flags & CC_MAPPED)
745	munmap (cctx->sptr, cctx->ssize);	927	munmap (cctx->sptr, cctx->ssize);
746	else	928	else
747	#endif	929	#endif
748	Safefree (cctx->sptr);	930	Safefree (cctx->sptr);
749		931
750	Safefree (cctx);	932	Safefree (cctx);
751	}	933	}
		934
		935	/* wether this cctx should be destructed */
		936	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
752		937
753	static coro_cctx *	938	static coro_cctx *
754	cctx_get (pTHX)	939	cctx_get (pTHX)
755	{	940	{
756	while (cctx_first)	941	while (cctx_first)
757	{	942	{
758	coro_cctx *cctx = cctx_first;	943	coro_cctx *cctx = cctx_first;
759	cctx_first = cctx->next;	944	cctx_first = cctx->next;
760	--cctx_idle;	945	--cctx_idle;
761		946
762	if (cctx->ssize >= coro_stacksize)	947	if (!CCTX_EXPIRED (cctx))
763	return cctx;	948	return cctx;
764		949
765	cctx_destroy (cctx);	950	cctx_destroy (cctx);
766	}	951	}
767		952
768	PL_op = PL_op->op_next;
769	return cctx_new ();	953	return cctx_new ();
770	}	954	}
771		955
772	static void	956	static void
773	cctx_put (coro_cctx *cctx)	957	cctx_put (coro_cctx *cctx)
…		…
777	{	961	{
778	coro_cctx *first = cctx_first;	962	coro_cctx *first = cctx_first;
779	cctx_first = first->next;	963	cctx_first = first->next;
780	--cctx_idle;	964	--cctx_idle;
781		965
782	assert (!first->inuse);
783	cctx_destroy (first);	966	cctx_destroy (first);
784	}	967	}
785		968
786	++cctx_idle;	969	++cctx_idle;
787	cctx->next = cctx_first;	970	cctx->next = cctx_first;
788	cctx_first = cctx;	971	cctx_first = cctx;
789	}	972	}
790		973
791	/ coroutine switching ***************************************************/	974	/ coroutine switching ***************************************************/
792		975
793	/* 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 */
794	static void NOINLINE	996	static void NOINLINE
795	transfer (pTHX_ struct coro prev, struct coro next)	997	transfer (pTHX_ struct coro prev, struct coro next)
796	{	998	{
797	dSTACKLEVEL;	999	dSTACKLEVEL;
798		1000
…		…
808		1010
809	if (prev->flags & CF_NEW)	1011	if (prev->flags & CF_NEW)
810	{	1012	{
811	/* create a new empty context */	1013	/* create a new empty context */
812	Newz (0, prev->cctx, 1, coro_cctx);	1014	Newz (0, prev->cctx, 1, coro_cctx);
813	prev->cctx->inuse = 1;
814	prev->flags &= ~CF_NEW;	1015	prev->flags &= ~CF_NEW;
815	prev->flags \|= CF_RUNNING;	1016	prev->flags \|= CF_RUNNING;
816	}	1017	}
817
818	/TODO: must not croak here /
819	if (!prev->flags & CF_RUNNING)
820	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
821
822	if (next->flags & CF_RUNNING)
823	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
824
825	if (next->flags & CF_DESTROYED)
826	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
827		1018
828	prev->flags &= ~CF_RUNNING;	1019	prev->flags &= ~CF_RUNNING;
829	next->flags \|= CF_RUNNING;	1020	next->flags \|= CF_RUNNING;
830		1021
831	LOCK;	1022	LOCK;
…		…
835	/* need to start coroutine */	1026	/* need to start coroutine */
836	next->flags &= ~CF_NEW;	1027	next->flags &= ~CF_NEW;
837	/* first get rid of the old state */	1028	/* first get rid of the old state */
838	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
839	/* setup coroutine call */	1030	/* setup coroutine call */
840	setup_coro (aTHX_ next);	1031	coro_setup (aTHX_ next);
841	/* need a new stack */
842	assert (!next->cctx);
843	}	1032	}
844	else	1033	else
845	{	1034	{
846	/* coroutine already started */	1035	/* coroutine already started */
847	save_perl (aTHX_ prev);	1036	save_perl (aTHX_ prev);
…		…
849	}	1038	}
850		1039
851	prev__cctx = prev->cctx;	1040	prev__cctx = prev->cctx;
852		1041
853	/* possibly "free" the cctx */	1042	/* possibly "free" the cctx */
854	if (prev__cctx->idle_sp == STACKLEVEL)	1043	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
855	{	1044	{
856	/* 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 */
857	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));
858		1047
859	prev->cctx = 0;	1048	prev->cctx = 0;
860		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
861	cctx_put (prev__cctx);	1054	cctx_put (prev__cctx);
862	prev__cctx->inuse = 0;
863	}	1055	}
864		1056
		1057	++next->usecount;
		1058
865	if (!next->cctx)	1059	if (!next->cctx)
866	{
867	next->cctx = cctx_get (aTHX);	1060	next->cctx = cctx_get (aTHX);
868	assert (!next->cctx->inuse);
869	next->cctx->inuse = 1;
870	}
871		1061
872	if (prev__cctx != next->cctx)	1062	if (prev__cctx != next->cctx)
873	{	1063	{
874	prev__cctx->top_env = PL_top_env;	1064	prev__cctx->top_env = PL_top_env;
875	PL_top_env = next->cctx->top_env;	1065	PL_top_env = next->cctx->top_env;
…		…
885	{	1075	{
886	struct coro prev, next;	1076	struct coro prev, next;
887	};	1077	};
888		1078
889	#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)
890		1081
891	/ high level stuff ******************************************************/	1082	/ high level stuff ******************************************************/
892		1083
893	static int	1084	static int
894	coro_state_destroy (pTHX_ struct coro *coro)	1085	coro_state_destroy (pTHX_ struct coro *coro)
…		…
911		1102
912	if (coro->mainstack && coro->mainstack != main_mainstack)	1103	if (coro->mainstack && coro->mainstack != main_mainstack)
913	{	1104	{
914	struct coro temp;	1105	struct coro temp;
915		1106
916	assert (!(coro->flags & CF_RUNNING));
917
918	Zero (&temp, 1, struct coro);
919	temp.save = CORO_SAVE_ALL;
920
921	if (coro->flags & CF_RUNNING)	1107	if (coro->flags & CF_RUNNING)
922	croak ("FATAL: tried to destroy currently running coroutine");	1108	croak ("FATAL: tried to destroy currently running coroutine");
923		1109
924	save_perl (aTHX_ &temp);	1110	save_perl (aTHX_ &temp);
925	load_perl (aTHX_ coro);	1111	load_perl (aTHX_ coro);
926		1112
927	coro_destroy_stacks (aTHX);	1113	coro_destroy (aTHX_ coro);
928		1114
929	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1115	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
930		1116
931	coro->mainstack = 0;	1117	coro->mainstack = 0;
932	}	1118	}
…		…
977	#else	1163	#else
978	# define MGf_DUP 0	1164	# define MGf_DUP 0
979	#endif	1165	#endif
980	};	1166	};
981		1167
982	static struct coro *
983	SvSTATE_ (pTHX_ SV *coro)
984	{
985	HV *stash;
986	MAGIC *mg;
987
988	if (SvROK (coro))
989	coro = SvRV (coro);
990
991	stash = SvSTASH (coro);
992	if (stash != coro_stash && stash != coro_state_stash)
993	{
994	/* very slow, but rare, check */
995	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
996	croak ("Coro::State object required");
997	}
998
999	mg = CORO_MAGIC (coro);
1000	return (struct coro *)mg->mg_ptr;
1001	}
1002
1003	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1004
1005	static void	1168	static void
1006	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)
1007	{	1170	{
1008	ta->prev = SvSTATE (prev_sv);	1171	ta->prev = SvSTATE (prev_sv);
1009	ta->next = SvSTATE (next_sv);	1172	ta->next = SvSTATE (next_sv);
		1173	TRANSFER_CHECK (*ta);
1010	}	1174	}
1011		1175
1012	static void	1176	static void
1013	api_transfer (SV prev_sv, SV next_sv)	1177	api_transfer (SV prev_sv, SV next_sv)
1014	{	1178	{
1015	dTHX;	1179	dTHX;
1016	struct transfer_args ta;	1180	struct transfer_args ta;
1017		1181
1018	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1182	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1019	TRANSFER (ta);	1183	TRANSFER (ta);
1020	}
1021
1022	static int
1023	api_save (SV *coro_sv, int new_save)
1024	{
1025	dTHX;
1026	struct coro *coro = SvSTATE (coro_sv);
1027	int old_save = coro->save;
1028
1029	if (new_save >= 0)
1030	coro->save = new_save;
1031
1032	return old_save;
1033	}	1184	}
1034		1185
1035	/ Coro ******************************************************************/	1186	/ Coro ******************************************************************/
1036		1187
1037	static void	1188	static void
…		…
1131	break;	1282	break;
1132	}	1283	}
1133		1284
1134	/* free this only after the transfer */	1285	/* free this only after the transfer */
1135	prev_sv = SvRV (coro_current);	1286	prev_sv = SvRV (coro_current);
1136	SvRV_set (coro_current, next_sv);
1137	ta->prev = SvSTATE (prev_sv);	1287	ta->prev = SvSTATE (prev_sv);
1138		1288	TRANSFER_CHECK (*ta);
1139	assert (ta->next->flags & CF_READY);	1289	assert (ta->next->flags & CF_READY);
1140	ta->next->flags &= ~CF_READY;	1290	ta->next->flags &= ~CF_READY;
		1291	SvRV_set (coro_current, next_sv);
1141		1292
1142	LOCK;	1293	LOCK;
1143	free_coro_mortal (aTHX);	1294	free_coro_mortal (aTHX);
1144	coro_mortal = prev_sv;	1295	coro_mortal = prev_sv;
1145	UNLOCK;	1296	UNLOCK;
…		…
1206	}	1357	}
1207	else	1358	else
1208	return 0;	1359	return 0;
1209	}	1360	}
1210		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
1211	MODULE = Coro::State PACKAGE = Coro::State	1388	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1212		1389
1213	PROTOTYPES: DISABLE	1390	PROTOTYPES: DISABLE
1214		1391
1215	BOOT:	1392	BOOT:
1216	{	1393	{
1217	#ifdef USE_ITHREADS	1394	#ifdef USE_ITHREADS
1218	MUTEX_INIT (&coro_mutex);	1395	MUTEX_INIT (&coro_mutex);
1219	#endif	1396	#endif
1220	BOOT_PAGESIZE;	1397	BOOT_PAGESIZE;
1221		1398
		1399	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1400	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1401
1222	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1402	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1223		1403
1224	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1404	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1225	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1405	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1226	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1227	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1228	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1229	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1406	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1230	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1407	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1231		1408
1232	main_mainstack = PL_mainstack;	1409	main_mainstack = PL_mainstack;
1233	main_top_env = PL_top_env;	1410	main_top_env = PL_top_env;
1234		1411
1235	while (main_top_env->je_prev)	1412	while (main_top_env->je_prev)
…		…
1248	struct coro *coro;	1425	struct coro *coro;
1249	HV *hv;	1426	HV *hv;
1250	int i;	1427	int i;
1251		1428
1252	Newz (0, coro, 1, struct coro);	1429	Newz (0, coro, 1, struct coro);
1253	coro->args = newAV ();	1430	coro->args = newAV ();
1254	coro->save = CORO_SAVE_DEF;
1255	coro->flags = CF_NEW;	1431	coro->flags = CF_NEW;
1256		1432
1257	if (coro_first) coro_first->prev = coro;	1433	if (coro_first) coro_first->prev = coro;
1258	coro->next = coro_first;	1434	coro->next = coro_first;
1259	coro_first = coro;	1435	coro_first = coro;
1260		1436
1261	coro->hv = hv = newHV ();	1437	coro->hv = hv = newHV ();
1262	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;
1263	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1439	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1264		1440
		1441	av_extend (coro->args, items - 1);
1265	for (i = 1; i < items; i++)	1442	for (i = 1; i < items; i++)
1266	av_push (coro->args, newSVsv (ST (i)));	1443	av_push (coro->args, newSVsv (ST (i)));
1267	}	1444	}
1268	OUTPUT:	1445	OUTPUT:
1269	RETVAL	1446	RETVAL
1270		1447
1271	int	1448	# these not obviously related functions are all rolled into the same xs
1272	save (SV *coro, int new_save = -1)	1449	# function to increase chances that they all will call transfer with the same
1273	CODE:	1450	# stack offset
1274	RETVAL = api_save (coro, new_save);
1275	OUTPUT:
1276	RETVAL
1277
1278	int
1279	save_also (SV *coro_sv, int save_also)
1280	CODE:
1281	{
1282	struct coro *coro = SvSTATE (coro_sv);
1283	RETVAL = coro->save;
1284	coro->save \|= save_also;
1285	}
1286	OUTPUT:
1287	RETVAL
1288
1289	void	1451	void
1290	_set_stacklevel (...)	1452	_set_stacklevel (...)
1291	ALIAS:	1453	ALIAS:
1292	Coro::State::transfer = 1	1454	Coro::State::transfer = 1
1293	Coro::schedule = 2	1455	Coro::schedule = 2
…		…
1379	if (coro->hv)	1541	if (coro->hv)
1380	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1542	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1381	}	1543	}
1382		1544
1383	void	1545	void
1384	_eval (Coro::State coro, SV *coderef)	1546	call (Coro::State coro, SV *coderef)
		1547	ALIAS:
		1548	eval = 1
1385	CODE:	1549	CODE:
1386	{	1550	{
1387	if (coro->mainstack)	1551	if (coro->mainstack)
1388	{	1552	{
1389	struct coro temp;	1553	struct coro temp;
1390	Zero (&temp, 1, struct coro);	1554	Zero (&temp, 1, struct coro);
1391	temp.save = CORO_SAVE_ALL;
1392		1555
1393	if (!(coro->flags & CF_RUNNING))	1556	if (!(coro->flags & CF_RUNNING))
1394	{	1557	{
1395	save_perl (aTHX_ &temp);	1558	save_perl (aTHX_ &temp);
1396	load_perl (aTHX_ coro);	1559	load_perl (aTHX_ coro);
…		…
1400	dSP;	1563	dSP;
1401	ENTER;	1564	ENTER;
1402	SAVETMPS;	1565	SAVETMPS;
1403	PUSHMARK (SP);	1566	PUSHMARK (SP);
1404	PUTBACK;	1567	PUTBACK;
		1568	if (ix)
		1569	eval_sv (coderef, 0);
		1570	else
1405	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1571	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1406	SPAGAIN;	1572	SPAGAIN;
1407	FREETMPS;	1573	FREETMPS;
1408	LEAVE;	1574	LEAVE;
1409	PUTBACK;	1575	PUTBACK;
1410	}	1576	}
…		…
1414	save_perl (aTHX_ coro);	1580	save_perl (aTHX_ coro);
1415	load_perl (aTHX_ &temp);	1581	load_perl (aTHX_ &temp);
1416	}	1582	}
1417	}	1583	}
1418	}	1584	}
1419		1585
1420	SV *	1586	SV *
1421	is_ready (Coro::State coro)	1587	is_ready (Coro::State coro)
1422	PROTOTYPE: $	1588	PROTOTYPE: $
1423	ALIAS:	1589	ALIAS:
1424	is_ready = CF_READY	1590	is_ready = CF_READY
…		…
1428	CODE:	1594	CODE:
1429	RETVAL = boolSV (coro->flags & ix);	1595	RETVAL = boolSV (coro->flags & ix);
1430	OUTPUT:	1596	OUTPUT:
1431	RETVAL	1597	RETVAL
1432		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
1433	IV	1618	IV
1434	rss (Coro::State coro)	1619	rss (Coro::State coro)
1435	PROTOTYPE: $	1620	PROTOTYPE: $
		1621	ALIAS:
		1622	usecount = 1
1436	CODE:	1623	CODE:
1437	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	}
1438	OUTPUT:	1629	OUTPUT:
1439	RETVAL	1630	RETVAL
1440		1631
1441		1632
1442	MODULE = Coro::State PACKAGE = Coro	1633	MODULE = Coro::State PACKAGE = Coro
…		…
1447		1638
1448	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1639	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1449	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1640	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1450	av_async_pool = get_av ("Coro::async_pool", TRUE);	1641	av_async_pool = get_av ("Coro::async_pool", TRUE);
1451		1642
1452	coro_current = get_sv ("Coro::current", FALSE);	1643	coro_current = get_sv ("Coro::current", FALSE);
1453	SvREADONLY_on (coro_current);	1644	SvREADONLY_on (coro_current);
1454		1645
1455	coro_stash = gv_stashpv ("Coro", TRUE);	1646	coro_stash = gv_stashpv ("Coro", TRUE);
1456		1647
1457	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1648	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1466		1657
1467	{	1658	{
1468	SV *sv = perl_get_sv("Coro::API", 1);	1659	SV *sv = perl_get_sv("Coro::API", 1);
1469		1660
1470	coroapi.schedule = api_schedule;	1661	coroapi.schedule = api_schedule;
1471	coroapi.save = api_save;
1472	coroapi.cede = api_cede;	1662	coroapi.cede = api_cede;
1473	coroapi.cede_notself = api_cede_notself;	1663	coroapi.cede_notself = api_cede_notself;
1474	coroapi.ready = api_ready;	1664	coroapi.ready = api_ready;
1475	coroapi.is_ready = api_is_ready;	1665	coroapi.is_ready = api_is_ready;
1476	coroapi.nready = &coro_nready;	1666	coroapi.nready = &coro_nready;
…		…
1526	RETVAL = coro_nready;	1716	RETVAL = coro_nready;
1527	OUTPUT:	1717	OUTPUT:
1528	RETVAL	1718	RETVAL
1529		1719
1530	# for async_pool speedup	1720	# for async_pool speedup
1531	SV *	1721	void
1532	_pool_1 (...)	1722	_pool_1 (SV *cb)
1533	CODE:	1723	CODE:
1534	{	1724	{
1535	int i, len;	1725	struct coro *coro = SvSTATE (coro_current);
1536	HV hv = (HV )SvRV (coro_current);	1726	HV hv = (HV )SvRV (coro_current);
1537	AV *defav = GvAV (PL_defgv);	1727	AV *defav = GvAV (PL_defgv);
1538	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1728	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1539	AV *invoke_av;	1729	AV *invoke_av;
		1730	int i, len;
1540		1731
1541	if (!invoke)	1732	if (!invoke)
1542	XSRETURN_EMPTY;	1733	croak ("\3terminate\2\n");
		1734
		1735	SvREFCNT_dec (coro->saved_deffh);
		1736	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1543		1737
1544	hv_store (hv, "desc", sizeof ("desc") - 1,	1738	hv_store (hv, "desc", sizeof ("desc") - 1,
1545	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1739	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1546		1740
1547	invoke_av = (AV *)SvRV (invoke);	1741	invoke_av = (AV *)SvRV (invoke);
1548	len = av_len (invoke_av);	1742	len = av_len (invoke_av);
1549		1743
1550	RETVAL = SvREFCNT_inc (AvARRAY (invoke_av)[0]);	1744	sv_setsv (cb, AvARRAY (invoke_av)[0]);
1551		1745
1552	if (len > 0)	1746	if (len > 0)
1553	{	1747	{
1554	av_clear (defav);
1555	av_extend (defav, len);	1748	av_fill (defav, len - 1);
1556	for (i = 0; i < len; ++i)	1749	for (i = 0; i < len; ++i)
1557	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	1750	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1558	}	1751	}
1559		1752
1560	SvREFCNT_dec (invoke);	1753	SvREFCNT_dec (invoke);
1561	}	1754	}
1562	OUTPUT:
1563	RETVAL
1564		1755
1565	void	1756	void
1566	_pool_2 (...)	1757	_pool_2 (SV *cb)
1567	CODE:	1758	CODE:
1568	{	1759	{
1569	struct coro *coro = SvSTATE (coro_current);	1760	struct coro *coro = SvSTATE (coro_current);
1570		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
1571	if (coro_rss (coro) > SvIV (sv_pool_rss)	1767	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1572	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1768	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1573	XSRETURN_YES;	1769	croak ("\3terminate\2\n");
1574		1770
1575	av_clear (GvAV (PL_defgv));	1771	av_clear (GvAV (PL_defgv));
1576	hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1,	1772	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1577	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1773	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1578	coro->save = CORO_SAVE_DEF;	1774
1579	coro->prio = 0;	1775	coro->prio = 0;
		1776
		1777	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1778	api_trace (coro_current, 0);
		1779
1580	av_push (av_async_pool, newSVsv (coro_current));	1780	av_push (av_async_pool, newSVsv (coro_current));
1581
1582	XSRETURN_NO;
1583	}	1781	}
1584		1782
1585		1783
1586	MODULE = Coro::State PACKAGE = Coro::AIO	1784	MODULE = Coro::State PACKAGE = Coro::AIO
1587		1785

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Comparing Coro/Coro/State.xs (file contents): Revision 1.160 by root, Sat Sep 22 22:39:15 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 1.160 by root, Sat Sep 22 22:39:15 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC