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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.172 by root, Sun Sep 30 13:15:01 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
…		…
131	static struct CoroAPI coroapi;	139	static struct CoroAPI coroapi;
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 */
		144
		145	static GV irsgv; / $/ */
		146	static GV stdoutgv; / STDOUT /
136		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;
…		…
184	coro_cctx *cctx;	195	coro_cctx *cctx;
185		196
186	/* data associated with this coroutine (initial args) */	197	/* data associated with this coroutine (initial args) */
187	AV *args;	198	AV *args;
188	int refcnt;	199	int refcnt;
189	int save; /* CORO_SAVE flags */
190	int flags; /* CF_ flags */	200	int flags; /* CF_ flags */
191		201
192	/* optionally saved, might be zero */	202	/* optionally saved, might be zero */
193	AV defav; / @_ */	203	AV defav; / @_ */
194	SV defsv; / $_ */	204	SV defsv; / $_ */
195	SV errsv; / $@ */	205	SV errsv; / $@ */
196	GV deffh; / default filehandle */	206	SV deffh; / default filehandle */
197	SV irssv; / $/ */	207	SV irssv; / $/ */
198	SV irssv_sv; / real $/ cache */	208	SV irssv_sv; / real $/ cache */
199		209
200	#define VAR(name,type) type name;	210	#define VAR(name,type) type name;
201	# include "state.h"	211	# include "state.h"
202	#undef VAR	212	#undef VAR
203		213
204	/* statistics */	214	/* statistics */
205	int usecount; /* number of switches to this coro */	215	int usecount; /* number of transfers to this coro */
206		216
207	/* coro process data */	217	/* coro process data */
208	int prio;	218	int prio;
		219	//SV *throw;
		220
		221	/* async_pool */
		222	SV *saved_deffh;
209		223
210	/* linked list */	224	/* linked list */
211	struct coro next, prev;	225	struct coro next, prev;
212	HV hv; / the perl hash associated with this coro, if any */	226	HV hv; / the perl hash associated with this coro, if any */
213	};	227	};
…		…
375	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
376	}	390	}
377		391
378	/ load & save, init *****************************************************/	392	/ load & save, init *****************************************************/
379		393
380	#define SB do {
381	#define SE } while (0)
382
383	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
384
385	static void	394	static void
386	load_perl (pTHX_ Coro__State c)	395	load_perl (pTHX_ Coro__State c)
387	{	396	{
388	#define VAR(name,type) PL_ ## name = c->name;	397	#define VAR(name,type) PL_ ## name = c->name;
389	# include "state.h"	398	# include "state.h"
390	#undef VAR	399	#undef VAR
391		400
392	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	401	GvSV (PL_defgv) = c->defsv;
393	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	402	GvAV (PL_defgv) = c->defav;
394	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	403	GvSV (PL_errgv) = c->errsv;
395	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	404	GvSV (irsgv) = c->irssv_sv;
396
397	if (c->irssv)
398	{
399	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
400	{
401	SvREFCNT_dec (c->irssv);
402	c->irssv = 0;
403	}
404	else
405	{
406	REPLACE_SV (PL_rs, c->irssv);
407	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
408	sv_setsv (c->irssv_sv, PL_rs);
409	}
410	}
411		405
412	{	406	{
413	dSP;	407	dSP;
414	CV *cv;	408	CV *cv;
415		409
…		…
473	}	467	}
474		468
475	PUTBACK;	469	PUTBACK;
476	}	470	}
477		471
478	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	c->defav = GvAV (PL_defgv);
479	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	473	c->defsv = DEFSV;
480	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = ERRSV;
481	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	475	c->irssv_sv = GvSV (irsgv);
482	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
483		476
484	#define VAR(name,type)c->name = PL_ ## name;	477	#define VAR(name,type)c->name = PL_ ## name;
485	# include "state.h"	478	# include "state.h"
486	#undef VAR	479	#undef VAR
487	}	480	}
…		…
540	* destroy the stacks, the callchain etc...	533	* destroy the stacks, the callchain etc...
541	*/	534	*/
542	static void	535	static void
543	coro_destroy_stacks (pTHX)	536	coro_destroy_stacks (pTHX)
544	{	537	{
545	if (!IN_DESTRUCT)
546	{
547	/* restore all saved variables and stuff */
548	LEAVE_SCOPE (0);
549	assert (PL_tmps_floor == -1);
550
551	/* free all temporaries */
552	FREETMPS;
553	assert (PL_tmps_ix == -1);
554
555	/* unwind all extra stacks */
556	POPSTACK_TO (PL_mainstack);
557
558	/* unwind main stack */
559	dounwind (-1);
560	}
561
562	while (PL_curstackinfo->si_next)	538	while (PL_curstackinfo->si_next)
563	PL_curstackinfo = PL_curstackinfo->si_next;	539	PL_curstackinfo = PL_curstackinfo->si_next;
564		540
565	while (PL_curstackinfo)	541	while (PL_curstackinfo)
566	{	542	{
…		…
584	}	560	}
585		561
586	static size_t	562	static size_t
587	coro_rss (pTHX_ struct coro *coro)	563	coro_rss (pTHX_ struct coro *coro)
588	{	564	{
589	size_t rss = sizeof (coro);	565	size_t rss = sizeof (*coro);
590		566
591	if (coro->mainstack)	567	if (coro->mainstack)
592	{	568	{
593	if (coro->flags & CF_RUNNING)	569	if (coro->flags & CF_RUNNING)
594	{	570	{
…		…
596	# include "state.h"	572	# include "state.h"
597	#undef VAR	573	#undef VAR
598	}	574	}
599		575
600	rss += sizeof (coro->curstackinfo);	576	rss += sizeof (coro->curstackinfo);
601	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 *);
602	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
603	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
604	rss += coro->tmps_max * sizeof (SV *);	580	rss += coro->tmps_max * sizeof (SV *);
605	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
606	rss += coro->scopestack_max * sizeof (I32);	582	rss += coro->scopestack_max * sizeof (I32);
607	rss += coro->savestack_max * sizeof (ANY);	583	rss += coro->savestack_max * sizeof (ANY);
608		584
…		…
615	}	591	}
616		592
617	/ coroutine stack handling **********************************************/	593	/ coroutine stack handling **********************************************/
618		594
619	static void	595	static void
620	setup_coro (pTHX_ struct coro *coro)	596	coro_setup (pTHX_ struct coro *coro)
621	{	597	{
622	/*	598	/*
623	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
624	*/	600	*/
625	coro_init_stacks (aTHX);	601	coro_init_stacks (aTHX);
…		…
630	PL_comppad = 0;	606	PL_comppad = 0;
631	PL_curpm = 0;	607	PL_curpm = 0;
632	PL_localizing = 0;	608	PL_localizing = 0;
633	PL_dirty = 0;	609	PL_dirty = 0;
634	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 */
635		620
636	{	621	{
637	dSP;	622	dSP;
638	LOGOP myop;	623	LOGOP myop;
639		624
640	SvREFCNT_dec (GvAV (PL_defgv));
641	GvAV (PL_defgv) = coro->args; coro->args = 0;
642
643	Zero (&myop, 1, LOGOP);	625	Zero (&myop, 1, LOGOP);
644	myop.op_next = Nullop;	626	myop.op_next = Nullop;
645	myop.op_flags = OPf_WANT_VOID;	627	myop.op_flags = OPf_WANT_VOID;
646		628
647	PUSHMARK (SP);	629	PUSHMARK (SP);
648	XPUSHs (av_shift (GvAV (PL_defgv)));	630	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
649	PUTBACK;	631	PUTBACK;
650	PL_op = (OP *)&myop;	632	PL_op = (OP *)&myop;
651	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
652	SPAGAIN;	634	SPAGAIN;
653	}	635	}
		636	}
654		637
655	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);
656	}	669	}
657		670
658	static void	671	static void
659	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
660	{	673	{
…		…
675		688
676	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	689	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
677	{	690	{
678	PERL_ASYNC_CHECK ();	691	PERL_ASYNC_CHECK ();
679		692
680	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	693	if (cctx->flags & CC_TRACE_ALL)
681	{	694	{
682	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	695	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
683	SV bot, top;
684	AV av = newAV (); / return values */
685	SV **cb;
686	runops_proc_t old_runops = PL_runops;
687	dSP;
688	ENTER;
689	SAVETMPS;
690	EXTEND (SP, 3);
691	PL_runops = RUNOPS_DEFAULT;
692
693	GV *gv = CvGV (cx->blk_sub.cv);
694	SV *fullname = sv_2mortal (newSV (0));
695	if (isGV (gv))
696	gv_efullname3 (fullname, gv, 0);
697
698	bot = PL_stack_base + cx->blk_oldsp + 1;
699	top = cx->blk_gimme == G_ARRAY ? SP + 1
700	: cx->blk_gimme == G_SCALAR ? bot + 1
701	: bot;
702
703	while (bot < top)
704	av_push (av, SvREFCNT_inc (*bot++));
705
706	PUSHMARK (SP);
707	PUSHs (&PL_sv_no);
708	PUSHs (fullname);
709	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
710	PUTBACK;
711	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
712	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
713	SPAGAIN;
714
715	FREETMPS;
716	LEAVE;
717	PL_runops = old_runops;
718	}
719
720	if (oldcop != PL_curcop)
721	{
722	oldcop = PL_curcop;
723
724	if (PL_curcop != &PL_compiling)
725	{	696	{
		697	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		698	SV bot, top;
		699	AV av = newAV (); / return values */
726	SV **cb;	700	SV **cb;
727	runops_proc_t old_runops = PL_runops;
728	dSP;	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;
729	ENTER;	718	ENTER;
730	SAVETMPS;	719	SAVETMPS;
731	EXTEND (SP, 3);	720	EXTEND (SP, 3);
732	PL_runops = RUNOPS_DEFAULT;	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		733
734	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	734	if (oldcop != PL_curcop)
		735	{
		736	oldcop = PL_curcop;
		737
		738	if (PL_curcop != &PL_compiling)
735	{	739	{
736	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	740	SV **cb;
737		741
738	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	742	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
739	{	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;
740	GV *gv = CvGV (cx->blk_sub.cv);	750	GV *gv = CvGV (cx->blk_sub.cv);
741	SV *fullname = sv_2mortal (newSV (0));	751	SV *fullname = sv_2mortal (newSV (0));
		752
742	if (isGV (gv))	753	if (isGV (gv))
743	gv_efullname3 (fullname, gv, 0);	754	gv_efullname3 (fullname, gv, 0);
744		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;
745	PUSHMARK (SP);	785	PUSHMARK (SP);
746	PUSHs (&PL_sv_yes);	786	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
747	PUSHs (fullname);	787	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
748	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
749	PUTBACK;	788	PUTBACK;
750	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	789	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
751	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	790	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
752	SPAGAIN;	791	SPAGAIN;
		792	FREETMPS;
		793	LEAVE;
		794	PL_runops = runops_trace;
753	}	795	}
754
755	oldcxix = cxstack_ix;
756	}	796	}
757
758	if (cctx->flags & CC_TRACE_LINE)
759	{
760	PUSHMARK (SP);
761	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
762	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
763	PUTBACK;
764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
766	SPAGAIN;
767	}
768
769	FREETMPS;
770	LEAVE;
771	PL_runops = old_runops;
772	}	797	}
773	}	798	}
774	}	799	}
775		800
776	TAINT_NOT;	801	TAINT_NOT;
…		…
905	Safefree (cctx->sptr);	930	Safefree (cctx->sptr);
906		931
907	Safefree (cctx);	932	Safefree (cctx);
908	}	933	}
909		934
		935	/* wether this cctx should be destructed */
		936	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		937
910	static coro_cctx *	938	static coro_cctx *
911	cctx_get (pTHX)	939	cctx_get (pTHX)
912	{	940	{
913	while (cctx_first)	941	while (cctx_first)
914	{	942	{
915	coro_cctx *cctx = cctx_first;	943	coro_cctx *cctx = cctx_first;
916	cctx_first = cctx->next;	944	cctx_first = cctx->next;
917	--cctx_idle;	945	--cctx_idle;
918		946
919	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	947	if (!CCTX_EXPIRED (cctx))
920	return cctx;	948	return cctx;
921		949
922	cctx_destroy (cctx);	950	cctx_destroy (cctx);
923	}	951	}
924		952
…		…
998	/* need to start coroutine */	1026	/* need to start coroutine */
999	next->flags &= ~CF_NEW;	1027	next->flags &= ~CF_NEW;
1000	/* first get rid of the old state */	1028	/* first get rid of the old state */
1001	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
1002	/* setup coroutine call */	1030	/* setup coroutine call */
1003	setup_coro (aTHX_ next);	1031	coro_setup (aTHX_ next);
1004	}	1032	}
1005	else	1033	else
1006	{	1034	{
1007	/* coroutine already started */	1035	/* coroutine already started */
1008	save_perl (aTHX_ prev);	1036	save_perl (aTHX_ prev);
…		…
1017	/* 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 */
1018	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));
1019		1047
1020	prev->cctx = 0;	1048	prev->cctx = 0;
1021		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
1022	cctx_put (prev__cctx);	1054	cctx_put (prev__cctx);
1023	}	1055	}
1024		1056
1025	++next->usecount;	1057	++next->usecount;
1026		1058
…		…
1070		1102
1071	if (coro->mainstack && coro->mainstack != main_mainstack)	1103	if (coro->mainstack && coro->mainstack != main_mainstack)
1072	{	1104	{
1073	struct coro temp;	1105	struct coro temp;
1074		1106
1075	assert (!(coro->flags & CF_RUNNING));
1076
1077	Zero (&temp, 1, struct coro);
1078	temp.save = CORO_SAVE_ALL;
1079
1080	if (coro->flags & CF_RUNNING)	1107	if (coro->flags & CF_RUNNING)
1081	croak ("FATAL: tried to destroy currently running coroutine");	1108	croak ("FATAL: tried to destroy currently running coroutine");
1082		1109
1083	save_perl (aTHX_ &temp);	1110	save_perl (aTHX_ &temp);
1084	load_perl (aTHX_ coro);	1111	load_perl (aTHX_ coro);
1085		1112
1086	coro_destroy_stacks (aTHX);	1113	coro_destroy (aTHX_ coro);
1087		1114
1088	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1115	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
1089		1116
1090	coro->mainstack = 0;	1117	coro->mainstack = 0;
1091	}	1118	}
…		…
1154		1181
1155	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1182	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1156	TRANSFER (ta);	1183	TRANSFER (ta);
1157	}	1184	}
1158		1185
1159	static int
1160	api_save (SV *coro_sv, int new_save)
1161	{
1162	dTHX;
1163	struct coro *coro = SvSTATE (coro_sv);
1164	int old_save = coro->save;
1165
1166	if (new_save >= 0)
1167	coro->save = new_save;
1168
1169	return old_save;
1170	}
1171
1172	/ Coro ******************************************************************/	1186	/ Coro ******************************************************************/
1173		1187
1174	static void	1188	static void
1175	coro_enq (pTHX_ SV *coro_sv)	1189	coro_enq (pTHX_ SV *coro_sv)
1176	{	1190	{
…		…
1343	}	1357	}
1344	else	1358	else
1345	return 0;	1359	return 0;
1346	}	1360	}
1347		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
1348	MODULE = Coro::State PACKAGE = Coro::State	1388	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1349		1389
1350	PROTOTYPES: DISABLE	1390	PROTOTYPES: DISABLE
1351		1391
1352	BOOT:	1392	BOOT:
1353	{	1393	{
1354	#ifdef USE_ITHREADS	1394	#ifdef USE_ITHREADS
1355	MUTEX_INIT (&coro_mutex);	1395	MUTEX_INIT (&coro_mutex);
1356	#endif	1396	#endif
1357	BOOT_PAGESIZE;	1397	BOOT_PAGESIZE;
		1398
		1399	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1400	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1358		1401
1359	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1402	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1360		1403
1361	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1404	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1362	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1405	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1363	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1406	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1364	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1407	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1365		1408
1366	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1367	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1368	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1369	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1370	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1371	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1372	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1373
1374	main_mainstack = PL_mainstack;	1409	main_mainstack = PL_mainstack;
1375	main_top_env = PL_top_env;	1410	main_top_env = PL_top_env;
1376		1411
1377	while (main_top_env->je_prev)	1412	while (main_top_env->je_prev)
1378	main_top_env = main_top_env->je_prev;	1413	main_top_env = main_top_env->je_prev;
…		…
1390	struct coro *coro;	1425	struct coro *coro;
1391	HV *hv;	1426	HV *hv;
1392	int i;	1427	int i;
1393		1428
1394	Newz (0, coro, 1, struct coro);	1429	Newz (0, coro, 1, struct coro);
1395	coro->args = newAV ();	1430	coro->args = newAV ();
1396	coro->save = CORO_SAVE_DEF;
1397	coro->flags = CF_NEW;	1431	coro->flags = CF_NEW;
1398		1432
1399	if (coro_first) coro_first->prev = coro;	1433	if (coro_first) coro_first->prev = coro;
1400	coro->next = coro_first;	1434	coro->next = coro_first;
1401	coro_first = coro;	1435	coro_first = coro;
1402		1436
1403	coro->hv = hv = newHV ();	1437	coro->hv = hv = newHV ();
1404	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;
1405	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1439	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1406		1440
		1441	av_extend (coro->args, items - 1);
1407	for (i = 1; i < items; i++)	1442	for (i = 1; i < items; i++)
1408	av_push (coro->args, newSVsv (ST (i)));	1443	av_push (coro->args, newSVsv (ST (i)));
1409	}	1444	}
1410	OUTPUT:	1445	OUTPUT:
1411	RETVAL	1446	RETVAL
1412		1447
1413	int	1448	# these not obviously related functions are all rolled into the same xs
1414	save (SV *coro, int new_save = -1)	1449	# function to increase chances that they all will call transfer with the same
1415	CODE:	1450	# stack offset
1416	RETVAL = api_save (coro, new_save);
1417	OUTPUT:
1418	RETVAL
1419
1420	int
1421	save_also (SV *coro_sv, int save_also)
1422	CODE:
1423	{
1424	struct coro *coro = SvSTATE (coro_sv);
1425	RETVAL = coro->save;
1426	coro->save \|= save_also;
1427	}
1428	OUTPUT:
1429	RETVAL
1430
1431	void	1451	void
1432	_set_stacklevel (...)	1452	_set_stacklevel (...)
1433	ALIAS:	1453	ALIAS:
1434	Coro::State::transfer = 1	1454	Coro::State::transfer = 1
1435	Coro::schedule = 2	1455	Coro::schedule = 2
…		…
1530	{	1550	{
1531	if (coro->mainstack)	1551	if (coro->mainstack)
1532	{	1552	{
1533	struct coro temp;	1553	struct coro temp;
1534	Zero (&temp, 1, struct coro);	1554	Zero (&temp, 1, struct coro);
1535	temp.save = CORO_SAVE_ALL;
1536		1555
1537	if (!(coro->flags & CF_RUNNING))	1556	if (!(coro->flags & CF_RUNNING))
1538	{	1557	{
1539	save_perl (aTHX_ &temp);	1558	save_perl (aTHX_ &temp);
1540	load_perl (aTHX_ coro);	1559	load_perl (aTHX_ coro);
…		…
1576	RETVAL = boolSV (coro->flags & ix);	1595	RETVAL = boolSV (coro->flags & ix);
1577	OUTPUT:	1596	OUTPUT:
1578	RETVAL	1597	RETVAL
1579		1598
1580	void	1599	void
1581	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1600	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1582	CODE:
1583	if (flags & CC_TRACE)
1584	{
1585	if (!coro->cctx)
1586	coro->cctx = cctx_new ();
1587	else if (!(coro->cctx->flags & CC_TRACE))
1588	croak ("cannot enable tracing on coroutine with custom stack");
1589
1590	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1591	}
1592	else
1593	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1594	{
1595	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1596	coro->cctx->flags \|= CC_NOREUSE;
1597
1598	if (coro->flags & CF_RUNNING)
1599	PL_runops = RUNOPS_DEFAULT;
1600	else
1601	coro->runops = RUNOPS_DEFAULT;
1602	}
1603		1601
1604	SV *	1602	SV *
1605	has_stack (Coro::State coro)	1603	has_stack (Coro::State coro)
1606	PROTOTYPE: $	1604	PROTOTYPE: $
1607	CODE:	1605	CODE:
…		…
1640		1638
1641	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1639	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1642	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1640	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1643	av_async_pool = get_av ("Coro::async_pool", TRUE);	1641	av_async_pool = get_av ("Coro::async_pool", TRUE);
1644		1642
1645	coro_current = get_sv ("Coro::current", FALSE);	1643	coro_current = get_sv ("Coro::current", FALSE);
1646	SvREADONLY_on (coro_current);	1644	SvREADONLY_on (coro_current);
1647		1645
1648	coro_stash = gv_stashpv ("Coro", TRUE);	1646	coro_stash = gv_stashpv ("Coro", TRUE);
1649		1647
1650	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1648	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1659		1657
1660	{	1658	{
1661	SV *sv = perl_get_sv("Coro::API", 1);	1659	SV *sv = perl_get_sv("Coro::API", 1);
1662		1660
1663	coroapi.schedule = api_schedule;	1661	coroapi.schedule = api_schedule;
1664	coroapi.save = api_save;
1665	coroapi.cede = api_cede;	1662	coroapi.cede = api_cede;
1666	coroapi.cede_notself = api_cede_notself;	1663	coroapi.cede_notself = api_cede_notself;
1667	coroapi.ready = api_ready;	1664	coroapi.ready = api_ready;
1668	coroapi.is_ready = api_is_ready;	1665	coroapi.is_ready = api_is_ready;
1669	coroapi.nready = &coro_nready;	1666	coroapi.nready = &coro_nready;
…		…
1723	# for async_pool speedup	1720	# for async_pool speedup
1724	void	1721	void
1725	_pool_1 (SV *cb)	1722	_pool_1 (SV *cb)
1726	CODE:	1723	CODE:
1727	{	1724	{
1728	int i, len;	1725	struct coro *coro = SvSTATE (coro_current);
1729	HV hv = (HV )SvRV (coro_current);	1726	HV hv = (HV )SvRV (coro_current);
1730	AV *defav = GvAV (PL_defgv);	1727	AV *defav = GvAV (PL_defgv);
1731	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1728	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1732	AV *invoke_av;	1729	AV *invoke_av;
		1730	int i, len;
1733		1731
1734	if (!invoke)	1732	if (!invoke)
1735	croak ("\3terminate\2\n");	1733	croak ("\3terminate\2\n");
		1734
		1735	SvREFCNT_dec (coro->saved_deffh);
		1736	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1736		1737
1737	hv_store (hv, "desc", sizeof ("desc") - 1,	1738	hv_store (hv, "desc", sizeof ("desc") - 1,
1738	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1739	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1739		1740
1740	invoke_av = (AV *)SvRV (invoke);	1741	invoke_av = (AV *)SvRV (invoke);
…		…
1758	{	1759	{
1759	struct coro *coro = SvSTATE (coro_current);	1760	struct coro *coro = SvSTATE (coro_current);
1760		1761
1761	sv_setsv (cb, &PL_sv_undef);	1762	sv_setsv (cb, &PL_sv_undef);
1762		1763
		1764	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1765	coro->saved_deffh = 0;
		1766
1763	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1767	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1764	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1768	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1765	croak ("\3terminate\2\n");	1769	croak ("\3terminate\2\n");
1766		1770
1767	av_clear (GvAV (PL_defgv));	1771	av_clear (GvAV (PL_defgv));
1768	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1772	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1769	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1773	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1770	coro->save = CORO_SAVE_DEF;	1774
1771	coro->prio = 0;	1775	coro->prio = 0;
		1776
		1777	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1778	api_trace (coro_current, 0);
		1779
1772	av_push (av_async_pool, newSVsv (coro_current));	1780	av_push (av_async_pool, newSVsv (coro_current));
1773	}	1781	}
1774		1782
1775		1783
1776	MODULE = Coro::State PACKAGE = Coro::AIO	1784	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.172 by root, Sun Sep 30 13:15:01 2007 UTC vs. Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.172 by root, Sun Sep 30 13:15:01 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC