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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.170 by root, Thu Sep 27 20:14:49 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
		214	/* statistics */
		215	int usecount; /* number of transfers to this coro */
		216
204	/* coro process data */	217	/* coro process data */
205	int prio;	218	int prio;
		219	//SV *throw;
		220
		221	/* async_pool */
		222	SV *saved_deffh;
206		223
207	/* linked list */	224	/* linked list */
208	struct coro next, prev;	225	struct coro next, prev;
209	HV hv; / the perl hash associated with this coro, if any */	226	HV hv; / the perl hash associated with this coro, if any */
210	};	227	};
…		…
307	HV *stash;	324	HV *stash;
308	MAGIC *mg;	325	MAGIC *mg;
309		326
310	if (SvROK (coro))	327	if (SvROK (coro))
311	coro = SvRV (coro);	328	coro = SvRV (coro);
		329
		330	if (SvTYPE (coro) != SVt_PVHV)
		331	croak ("Coro::State object required");
312		332
313	stash = SvSTASH (coro);	333	stash = SvSTASH (coro);
314	if (stash != coro_stash && stash != coro_state_stash)	334	if (stash != coro_stash && stash != coro_state_stash)
315	{	335	{
316	/* very slow, but rare, check */	336	/* very slow, but rare, check */
…		…
369	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
370	}	390	}
371		391
372	/ load & save, init *****************************************************/	392	/ load & save, init *****************************************************/
373		393
374	#define SB do {
375	#define SE } while (0)
376
377	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
378
379	static void	394	static void
380	load_perl (pTHX_ Coro__State c)	395	load_perl (pTHX_ Coro__State c)
381	{	396	{
382	#define VAR(name,type) PL_ ## name = c->name;	397	#define VAR(name,type) PL_ ## name = c->name;
383	# include "state.h"	398	# include "state.h"
384	#undef VAR	399	#undef VAR
385		400
386	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	401	GvSV (PL_defgv) = c->defsv;
387	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	402	GvAV (PL_defgv) = c->defav;
388	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	403	GvSV (PL_errgv) = c->errsv;
389	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	404	GvSV (irsgv) = c->irssv_sv;
390
391	if (c->irssv)
392	{
393	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
394	{
395	SvREFCNT_dec (c->irssv);
396	c->irssv = 0;
397	}
398	else
399	{
400	REPLACE_SV (PL_rs, c->irssv);
401	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
402	sv_setsv (c->irssv_sv, PL_rs);
403	}
404	}
405		405
406	{	406	{
407	dSP;	407	dSP;
408	CV *cv;	408	CV *cv;
409		409
…		…
467	}	467	}
468		468
469	PUTBACK;	469	PUTBACK;
470	}	470	}
471		471
472	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	c->defav = GvAV (PL_defgv);
473	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	473	c->defsv = DEFSV;
474	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = ERRSV;
475	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	475	c->irssv_sv = GvSV (irsgv);
476	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
477		476
478	#define VAR(name,type)c->name = PL_ ## name;	477	#define VAR(name,type)c->name = PL_ ## name;
479	# include "state.h"	478	# include "state.h"
480	#undef VAR	479	#undef VAR
481	}	480	}
…		…
534	* destroy the stacks, the callchain etc...	533	* destroy the stacks, the callchain etc...
535	*/	534	*/
536	static void	535	static void
537	coro_destroy_stacks (pTHX)	536	coro_destroy_stacks (pTHX)
538	{	537	{
539	if (!IN_DESTRUCT)
540	{
541	/* restore all saved variables and stuff */
542	LEAVE_SCOPE (0);
543	assert (PL_tmps_floor == -1);
544
545	/* free all temporaries */
546	FREETMPS;
547	assert (PL_tmps_ix == -1);
548
549	/* unwind all extra stacks */
550	POPSTACK_TO (PL_mainstack);
551
552	/* unwind main stack */
553	dounwind (-1);
554	}
555
556	while (PL_curstackinfo->si_next)	538	while (PL_curstackinfo->si_next)
557	PL_curstackinfo = PL_curstackinfo->si_next;	539	PL_curstackinfo = PL_curstackinfo->si_next;
558		540
559	while (PL_curstackinfo)	541	while (PL_curstackinfo)
560	{	542	{
…		…
576	Safefree (PL_retstack);	558	Safefree (PL_retstack);
577	#endif	559	#endif
578	}	560	}
579		561
580	static size_t	562	static size_t
581	coro_rss (struct coro *coro)	563	coro_rss (pTHX_ struct coro *coro)
582	{	564	{
583	size_t rss = sizeof (coro);	565	size_t rss = sizeof (*coro);
584		566
585	if (coro->mainstack)	567	if (coro->mainstack)
586	{	568	{
587	if (coro->flags & CF_RUNNING)	569	if (coro->flags & CF_RUNNING)
588	{	570	{
…		…
590	# include "state.h"	572	# include "state.h"
591	#undef VAR	573	#undef VAR
592	}	574	}
593		575
594	rss += sizeof (coro->curstackinfo);	576	rss += sizeof (coro->curstackinfo);
595	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 *);
596	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
598	rss += coro->tmps_max * sizeof (SV *);	580	rss += coro->tmps_max * sizeof (SV *);
599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
600	rss += coro->scopestack_max * sizeof (I32);	582	rss += coro->scopestack_max * sizeof (I32);
601	rss += coro->savestack_max * sizeof (ANY);	583	rss += coro->savestack_max * sizeof (ANY);
602		584
…		…
609	}	591	}
610		592
611	/ coroutine stack handling **********************************************/	593	/ coroutine stack handling **********************************************/
612		594
613	static void	595	static void
614	setup_coro (pTHX_ struct coro *coro)	596	coro_setup (pTHX_ struct coro *coro)
615	{	597	{
616	/*	598	/*
617	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
618	*/	600	*/
619	coro_init_stacks (aTHX);	601	coro_init_stacks (aTHX);
…		…
624	PL_comppad = 0;	606	PL_comppad = 0;
625	PL_curpm = 0;	607	PL_curpm = 0;
626	PL_localizing = 0;	608	PL_localizing = 0;
627	PL_dirty = 0;	609	PL_dirty = 0;
628	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 */
629		620
630	{	621	{
631	dSP;	622	dSP;
632	LOGOP myop;	623	LOGOP myop;
633		624
634	SvREFCNT_dec (GvAV (PL_defgv));
635	GvAV (PL_defgv) = coro->args; coro->args = 0;
636
637	Zero (&myop, 1, LOGOP);	625	Zero (&myop, 1, LOGOP);
638	myop.op_next = Nullop;	626	myop.op_next = Nullop;
639	myop.op_flags = OPf_WANT_VOID;	627	myop.op_flags = OPf_WANT_VOID;
640		628
641	PUSHMARK (SP);	629	PUSHMARK (SP);
642	XPUSHs (av_shift (GvAV (PL_defgv)));	630	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
643	PUTBACK;	631	PUTBACK;
644	PL_op = (OP *)&myop;	632	PL_op = (OP *)&myop;
645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
646	SPAGAIN;	634	SPAGAIN;
647	}	635	}
		636	}
648		637
649	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);
650	}	669	}
651		670
652	static void	671	static void
653	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
654	{	673	{
…		…
669		688
670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	689	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671	{	690	{
672	PERL_ASYNC_CHECK ();	691	PERL_ASYNC_CHECK ();
673		692
674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	693	if (cctx->flags & CC_TRACE_ALL)
675	{	694	{
676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	695	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
677	SV bot, top;
678	AV av = newAV (); / return values */
679	SV **cb;
680	runops_proc_t old_runops = PL_runops;
681	dSP;
682	ENTER;
683	SAVETMPS;
684	EXTEND (SP, 3);
685	PL_runops = RUNOPS_DEFAULT;
686
687	GV *gv = CvGV (cx->blk_sub.cv);
688	SV *fullname = sv_2mortal (newSV (0));
689	if (isGV (gv))
690	gv_efullname3 (fullname, gv, 0);
691
692	bot = PL_stack_base + cx->blk_oldsp + 1;
693	top = cx->blk_gimme == G_ARRAY ? SP + 1
694	: cx->blk_gimme == G_SCALAR ? bot + 1
695	: bot;
696
697	while (bot < top)
698	av_push (av, SvREFCNT_inc (*bot++));
699
700	PUSHMARK (SP);
701	PUSHs (&PL_sv_no);
702	PUSHs (fullname);
703	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
704	PUTBACK;
705	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
706	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
707	SPAGAIN;
708
709	FREETMPS;
710	LEAVE;
711	PL_runops = old_runops;
712	}
713
714	if (oldcop != PL_curcop)
715	{
716	oldcop = PL_curcop;
717
718	if (PL_curcop != &PL_compiling)
719	{	696	{
		697	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		698	SV bot, top;
		699	AV av = newAV (); / return values */
720	SV **cb;	700	SV **cb;
721	runops_proc_t old_runops = PL_runops;
722	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;
723	ENTER;	718	ENTER;
724	SAVETMPS;	719	SAVETMPS;
725	EXTEND (SP, 3);	720	EXTEND (SP, 3);
726	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	}
727		733
728	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)
729	{	739	{
730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	740	SV **cb;
731		741
732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	742	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
733	{	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;
734	GV *gv = CvGV (cx->blk_sub.cv);	750	GV *gv = CvGV (cx->blk_sub.cv);
735	SV *fullname = sv_2mortal (newSV (0));	751	SV *fullname = sv_2mortal (newSV (0));
		752
736	if (isGV (gv))	753	if (isGV (gv))
737	gv_efullname3 (fullname, gv, 0);	754	gv_efullname3 (fullname, gv, 0);
738		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;
739	PUSHMARK (SP);	785	PUSHMARK (SP);
740	PUSHs (&PL_sv_yes);	786	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
741	PUSHs (fullname);	787	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
742	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
743	PUTBACK;	788	PUTBACK;
744	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);
745	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);
746	SPAGAIN;	791	SPAGAIN;
		792	FREETMPS;
		793	LEAVE;
		794	PL_runops = runops_trace;
747	}	795	}
748
749	oldcxix = cxstack_ix;
750	}	796	}
751
752	if (cctx->flags & CC_TRACE_LINE)
753	{
754	PUSHMARK (SP);
755	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
756	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
757	PUTBACK;
758	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
759	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
760	SPAGAIN;
761	}
762
763	FREETMPS;
764	LEAVE;
765	PL_runops = old_runops;
766	}	797	}
767	}	798	}
768	}	799	}
769		800
770	TAINT_NOT;	801	TAINT_NOT;
…		…
899	Safefree (cctx->sptr);	930	Safefree (cctx->sptr);
900		931
901	Safefree (cctx);	932	Safefree (cctx);
902	}	933	}
903		934
		935	/* wether this cctx should be destructed */
		936	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		937
904	static coro_cctx *	938	static coro_cctx *
905	cctx_get (pTHX)	939	cctx_get (pTHX)
906	{	940	{
907	while (cctx_first)	941	while (cctx_first)
908	{	942	{
909	coro_cctx *cctx = cctx_first;	943	coro_cctx *cctx = cctx_first;
910	cctx_first = cctx->next;	944	cctx_first = cctx->next;
911	--cctx_idle;	945	--cctx_idle;
912		946
913	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	947	if (!CCTX_EXPIRED (cctx))
914	return cctx;	948	return cctx;
915		949
916	cctx_destroy (cctx);	950	cctx_destroy (cctx);
917	}	951	}
918		952
…		…
992	/* need to start coroutine */	1026	/* need to start coroutine */
993	next->flags &= ~CF_NEW;	1027	next->flags &= ~CF_NEW;
994	/* first get rid of the old state */	1028	/* first get rid of the old state */
995	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
996	/* setup coroutine call */	1030	/* setup coroutine call */
997	setup_coro (aTHX_ next);	1031	coro_setup (aTHX_ next);
998	}	1032	}
999	else	1033	else
1000	{	1034	{
1001	/* coroutine already started */	1035	/* coroutine already started */
1002	save_perl (aTHX_ prev);	1036	save_perl (aTHX_ prev);
…		…
1011	/* 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 */
1012	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));
1013		1047
1014	prev->cctx = 0;	1048	prev->cctx = 0;
1015		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
1016	cctx_put (prev__cctx);	1054	cctx_put (prev__cctx);
1017	}	1055	}
		1056
		1057	++next->usecount;
1018		1058
1019	if (!next->cctx)	1059	if (!next->cctx)
1020	next->cctx = cctx_get (aTHX);	1060	next->cctx = cctx_get (aTHX);
1021		1061
1022	if (prev__cctx != next->cctx)	1062	if (prev__cctx != next->cctx)
…		…
1062		1102
1063	if (coro->mainstack && coro->mainstack != main_mainstack)	1103	if (coro->mainstack && coro->mainstack != main_mainstack)
1064	{	1104	{
1065	struct coro temp;	1105	struct coro temp;
1066		1106
1067	assert (!(coro->flags & CF_RUNNING));
1068
1069	Zero (&temp, 1, struct coro);
1070	temp.save = CORO_SAVE_ALL;
1071
1072	if (coro->flags & CF_RUNNING)	1107	if (coro->flags & CF_RUNNING)
1073	croak ("FATAL: tried to destroy currently running coroutine");	1108	croak ("FATAL: tried to destroy currently running coroutine");
1074		1109
1075	save_perl (aTHX_ &temp);	1110	save_perl (aTHX_ &temp);
1076	load_perl (aTHX_ coro);	1111	load_perl (aTHX_ coro);
1077		1112
1078	coro_destroy_stacks (aTHX);	1113	coro_destroy (aTHX_ coro);
1079		1114
1080	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1115	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
1081		1116
1082	coro->mainstack = 0;	1117	coro->mainstack = 0;
1083	}	1118	}
…		…
1146		1181
1147	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1182	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1148	TRANSFER (ta);	1183	TRANSFER (ta);
1149	}	1184	}
1150		1185
1151	static int
1152	api_save (SV *coro_sv, int new_save)
1153	{
1154	dTHX;
1155	struct coro *coro = SvSTATE (coro_sv);
1156	int old_save = coro->save;
1157
1158	if (new_save >= 0)
1159	coro->save = new_save;
1160
1161	return old_save;
1162	}
1163
1164	/ Coro ******************************************************************/	1186	/ Coro ******************************************************************/
1165		1187
1166	static void	1188	static void
1167	coro_enq (pTHX_ SV *coro_sv)	1189	coro_enq (pTHX_ SV *coro_sv)
1168	{	1190	{
…		…
1335	}	1357	}
1336	else	1358	else
1337	return 0;	1359	return 0;
1338	}	1360	}
1339		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
1340	MODULE = Coro::State PACKAGE = Coro::State	1388	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1341		1389
1342	PROTOTYPES: DISABLE	1390	PROTOTYPES: DISABLE
1343		1391
1344	BOOT:	1392	BOOT:
1345	{	1393	{
1346	#ifdef USE_ITHREADS	1394	#ifdef USE_ITHREADS
1347	MUTEX_INIT (&coro_mutex);	1395	MUTEX_INIT (&coro_mutex);
1348	#endif	1396	#endif
1349	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);
1350		1401
1351	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1402	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1352		1403
1353	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1404	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1354	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1405	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1355	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1406	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1356	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1407	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1357		1408
1358	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1359	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1360	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1361	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1362	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1363	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1364	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1365
1366	main_mainstack = PL_mainstack;	1409	main_mainstack = PL_mainstack;
1367	main_top_env = PL_top_env;	1410	main_top_env = PL_top_env;
1368		1411
1369	while (main_top_env->je_prev)	1412	while (main_top_env->je_prev)
1370	main_top_env = main_top_env->je_prev;	1413	main_top_env = main_top_env->je_prev;
…		…
1382	struct coro *coro;	1425	struct coro *coro;
1383	HV *hv;	1426	HV *hv;
1384	int i;	1427	int i;
1385		1428
1386	Newz (0, coro, 1, struct coro);	1429	Newz (0, coro, 1, struct coro);
1387	coro->args = newAV ();	1430	coro->args = newAV ();
1388	coro->save = CORO_SAVE_DEF;
1389	coro->flags = CF_NEW;	1431	coro->flags = CF_NEW;
1390		1432
1391	if (coro_first) coro_first->prev = coro;	1433	if (coro_first) coro_first->prev = coro;
1392	coro->next = coro_first;	1434	coro->next = coro_first;
1393	coro_first = coro;	1435	coro_first = coro;
1394		1436
1395	coro->hv = hv = newHV ();	1437	coro->hv = hv = newHV ();
1396	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;
1397	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1439	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1398		1440
		1441	av_extend (coro->args, items - 1);
1399	for (i = 1; i < items; i++)	1442	for (i = 1; i < items; i++)
1400	av_push (coro->args, newSVsv (ST (i)));	1443	av_push (coro->args, newSVsv (ST (i)));
1401	}	1444	}
1402	OUTPUT:	1445	OUTPUT:
1403	RETVAL	1446	RETVAL
1404		1447
1405	int	1448	# these not obviously related functions are all rolled into the same xs
1406	save (SV *coro, int new_save = -1)	1449	# function to increase chances that they all will call transfer with the same
1407	CODE:	1450	# stack offset
1408	RETVAL = api_save (coro, new_save);
1409	OUTPUT:
1410	RETVAL
1411
1412	int
1413	save_also (SV *coro_sv, int save_also)
1414	CODE:
1415	{
1416	struct coro *coro = SvSTATE (coro_sv);
1417	RETVAL = coro->save;
1418	coro->save \|= save_also;
1419	}
1420	OUTPUT:
1421	RETVAL
1422
1423	void	1451	void
1424	_set_stacklevel (...)	1452	_set_stacklevel (...)
1425	ALIAS:	1453	ALIAS:
1426	Coro::State::transfer = 1	1454	Coro::State::transfer = 1
1427	Coro::schedule = 2	1455	Coro::schedule = 2
…		…
1522	{	1550	{
1523	if (coro->mainstack)	1551	if (coro->mainstack)
1524	{	1552	{
1525	struct coro temp;	1553	struct coro temp;
1526	Zero (&temp, 1, struct coro);	1554	Zero (&temp, 1, struct coro);
1527	temp.save = CORO_SAVE_ALL;
1528		1555
1529	if (!(coro->flags & CF_RUNNING))	1556	if (!(coro->flags & CF_RUNNING))
1530	{	1557	{
1531	save_perl (aTHX_ &temp);	1558	save_perl (aTHX_ &temp);
1532	load_perl (aTHX_ coro);	1559	load_perl (aTHX_ coro);
…		…
1553	save_perl (aTHX_ coro);	1580	save_perl (aTHX_ coro);
1554	load_perl (aTHX_ &temp);	1581	load_perl (aTHX_ &temp);
1555	}	1582	}
1556	}	1583	}
1557	}	1584	}
1558		1585
1559	SV *	1586	SV *
1560	is_ready (Coro::State coro)	1587	is_ready (Coro::State coro)
1561	PROTOTYPE: $	1588	PROTOTYPE: $
1562	ALIAS:	1589	ALIAS:
1563	is_ready = CF_READY	1590	is_ready = CF_READY
…		…
1568	RETVAL = boolSV (coro->flags & ix);	1595	RETVAL = boolSV (coro->flags & ix);
1569	OUTPUT:	1596	OUTPUT:
1570	RETVAL	1597	RETVAL
1571		1598
1572	void	1599	void
1573	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1600	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1574	CODE:
1575	if (flags & CC_TRACE)
1576	{
1577	if (!coro->cctx)
1578	coro->cctx = cctx_new ();
1579	else if (!(coro->cctx->flags & CC_TRACE))
1580	croak ("cannot enable tracing on coroutine with custom stack");
1581
1582	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1583	}
1584	else
1585	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1586	{
1587	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1588	coro->cctx->flags \|= CC_NOREUSE;
1589
1590	if (coro->flags & CF_RUNNING)
1591	PL_runops = RUNOPS_DEFAULT;
1592	else
1593	coro->runops = RUNOPS_DEFAULT;
1594	}
1595		1601
1596	SV *	1602	SV *
1597	has_stack (Coro::State coro)	1603	has_stack (Coro::State coro)
1598	PROTOTYPE: $	1604	PROTOTYPE: $
1599	CODE:	1605	CODE:
…		…
1610	RETVAL	1616	RETVAL
1611		1617
1612	IV	1618	IV
1613	rss (Coro::State coro)	1619	rss (Coro::State coro)
1614	PROTOTYPE: $	1620	PROTOTYPE: $
		1621	ALIAS:
		1622	usecount = 1
1615	CODE:	1623	CODE:
1616	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	}
1617	OUTPUT:	1629	OUTPUT:
1618	RETVAL	1630	RETVAL
1619		1631
1620		1632
1621	MODULE = Coro::State PACKAGE = Coro	1633	MODULE = Coro::State PACKAGE = Coro
…		…
1626		1638
1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1639	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1640	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1629	av_async_pool = get_av ("Coro::async_pool", TRUE);	1641	av_async_pool = get_av ("Coro::async_pool", TRUE);
1630		1642
1631	coro_current = get_sv ("Coro::current", FALSE);	1643	coro_current = get_sv ("Coro::current", FALSE);
1632	SvREADONLY_on (coro_current);	1644	SvREADONLY_on (coro_current);
1633		1645
1634	coro_stash = gv_stashpv ("Coro", TRUE);	1646	coro_stash = gv_stashpv ("Coro", TRUE);
1635		1647
1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1648	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1645		1657
1646	{	1658	{
1647	SV *sv = perl_get_sv("Coro::API", 1);	1659	SV *sv = perl_get_sv("Coro::API", 1);
1648		1660
1649	coroapi.schedule = api_schedule;	1661	coroapi.schedule = api_schedule;
1650	coroapi.save = api_save;
1651	coroapi.cede = api_cede;	1662	coroapi.cede = api_cede;
1652	coroapi.cede_notself = api_cede_notself;	1663	coroapi.cede_notself = api_cede_notself;
1653	coroapi.ready = api_ready;	1664	coroapi.ready = api_ready;
1654	coroapi.is_ready = api_is_ready;	1665	coroapi.is_ready = api_is_ready;
1655	coroapi.nready = &coro_nready;	1666	coroapi.nready = &coro_nready;
…		…
1709	# for async_pool speedup	1720	# for async_pool speedup
1710	void	1721	void
1711	_pool_1 (SV *cb)	1722	_pool_1 (SV *cb)
1712	CODE:	1723	CODE:
1713	{	1724	{
1714	int i, len;	1725	struct coro *coro = SvSTATE (coro_current);
1715	HV hv = (HV )SvRV (coro_current);	1726	HV hv = (HV )SvRV (coro_current);
1716	AV *defav = GvAV (PL_defgv);	1727	AV *defav = GvAV (PL_defgv);
1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1728	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1718	AV *invoke_av;	1729	AV *invoke_av;
		1730	int i, len;
1719		1731
1720	if (!invoke)	1732	if (!invoke)
1721	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);
1722		1737
1723	hv_store (hv, "desc", sizeof ("desc") - 1,	1738	hv_store (hv, "desc", sizeof ("desc") - 1,
1724	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1739	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1725		1740
1726	invoke_av = (AV *)SvRV (invoke);	1741	invoke_av = (AV *)SvRV (invoke);
…		…
1744	{	1759	{
1745	struct coro *coro = SvSTATE (coro_current);	1760	struct coro *coro = SvSTATE (coro_current);
1746		1761
1747	sv_setsv (cb, &PL_sv_undef);	1762	sv_setsv (cb, &PL_sv_undef);
1748		1763
		1764	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1765	coro->saved_deffh = 0;
		1766
1749	if (coro_rss (coro) > SvIV (sv_pool_rss)	1767	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1750	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1768	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1751	croak ("\3terminate\2\n");	1769	croak ("\3terminate\2\n");
1752		1770
1753	av_clear (GvAV (PL_defgv));	1771	av_clear (GvAV (PL_defgv));
1754	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1772	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1755	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1773	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1756	coro->save = CORO_SAVE_DEF;	1774
1757	coro->prio = 0;	1775	coro->prio = 0;
		1776
		1777	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1778	api_trace (coro_current, 0);
		1779
1758	av_push (av_async_pool, newSVsv (coro_current));	1780	av_push (av_async_pool, newSVsv (coro_current));
1759	}	1781	}
1760		1782
1761		1783
1762	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 1.170 by root, Thu Sep 27 20:14:49 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 1.170 by root, Thu Sep 27 20:14:49 2007 UTC vs.
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC