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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.157 by root, Fri Sep 21 02:01:13 2007 UTC vs.
Revision 1.191 by root, Fri Oct 5 20:47:49 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
…		…
88	/* prefer perl internal functions over our own? */	96	/* prefer perl internal functions over our own? */
89	#ifndef CORO_PREFER_PERL_FUNCTIONS	97	#ifndef CORO_PREFER_PERL_FUNCTIONS
90	# define CORO_PREFER_PERL_FUNCTIONS 0	98	# define CORO_PREFER_PERL_FUNCTIONS 0
91	#endif	99	#endif
92		100
93	/* The next macro should declare a variable stacklevel that contains and approximation	101	/* The next macros try to return the current stack pointer, in an as
94	* to the current C stack pointer. Its property is that it changes with each call	102	* portable way as possible. */
95	* and should be unique. */
96	#define dSTACKLEVEL int stacklevel	103	#define dSTACKLEVEL volatile char stacklevel
97	#define STACKLEVEL ((void *)&stacklevel)	104	#define STACKLEVEL ((void *)&stacklevel)
98		105
99	#define IN_DESTRUCT (PL_main_cv == Nullcv)	106	#define IN_DESTRUCT (PL_main_cv == Nullcv)
100		107
101	#if __GNUC__ >= 3	108	#if __GNUC__ >= 3
…		…
133	static AV main_mainstack; / used to differentiate between $main and others */	140	static AV main_mainstack; / used to differentiate between $main and others */
134	static JMPENV *main_top_env;	141	static JMPENV *main_top_env;
135	static HV coro_state_stash, coro_stash;	142	static HV coro_state_stash, coro_stash;
136	static SV coro_mortal; / will be freed after next transfer */	143	static SV coro_mortal; / will be freed after next transfer */
137		144
		145	static GV irsgv; / $/ */
		146	static GV stdoutgv; / STDOUT /
		147
		148	/* async_pool helper stuff */
		149	static SV *sv_pool_rss;
		150	static SV *sv_pool_size;
		151	static AV *av_async_pool;
		152
138	static struct coro_cctx *cctx_first;	153	static struct coro_cctx *cctx_first;
139	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	};
140		164
141	/* this is a structure representing a c-level coroutine */	165	/* this is a structure representing a c-level coroutine */
142	typedef struct coro_cctx {	166	typedef struct coro_cctx {
143	struct coro_cctx *next;	167	struct coro_cctx *next;
144		168
…		…
153	coro_context cctx;	177	coro_context cctx;
154		178
155	#if CORO_USE_VALGRIND	179	#if CORO_USE_VALGRIND
156	int valgrind_id;	180	int valgrind_id;
157	#endif	181	#endif
158	char inuse, mapped;	182	unsigned char flags;
159	} coro_cctx;	183	} coro_cctx;
160		184
161	enum {	185	enum {
162	CF_RUNNING = 0x0001, /* coroutine is running */	186	CF_RUNNING = 0x0001, /* coroutine is running */
163	CF_READY = 0x0002, /* coroutine is ready */	187	CF_READY = 0x0002, /* coroutine is ready */
…		…
171	coro_cctx *cctx;	195	coro_cctx *cctx;
172		196
173	/* data associated with this coroutine (initial args) */	197	/* data associated with this coroutine (initial args) */
174	AV *args;	198	AV *args;
175	int refcnt;	199	int refcnt;
176	int save; /* CORO_SAVE flags */
177	int flags; /* CF_ flags */	200	int flags; /* CF_ flags */
178		201
179	/* optionally saved, might be zero */	202	/* optionally saved, might be zero */
180	AV defav; / @_ */	203	AV defav; / @_ */
181	SV defsv; / $_ */	204	SV defsv; / $_ */
182	SV errsv; / $@ */	205	SV errsv; / $@ */
183	GV deffh; / default filehandle */	206	SV deffh; / default filehandle */
184	SV irssv; / $/ */	207	SV irssv; / $/ */
185	SV irssv_sv; / real $/ cache */	208	SV irssv_sv; / real $/ cache */
186		209
187	#define VAR(name,type) type name;	210	#define VAR(name,type) type name;
188	# include "state.h"	211	# include "state.h"
189	#undef VAR	212	#undef VAR
190		213
		214	/* statistics */
		215	int usecount; /* number of transfers to this coro */
		216
191	/* coro process data */	217	/* coro process data */
192	int prio;	218	int prio;
		219	//SV *throw;
		220
		221	/* async_pool */
		222	SV *saved_deffh;
193		223
194	/* linked list */	224	/* linked list */
195	struct coro next, prev;	225	struct coro next, prev;
196	HV hv; / the perl hash associated with this coro, if any */	226	HV hv; / the perl hash associated with this coro, if any */
197	};	227	};
…		…
285	SvMAGIC (cv) \	315	SvMAGIC (cv) \
286	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	316	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287	? SvMAGIC (cv) \	317	? SvMAGIC (cv) \
288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	318	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
289	: 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))
290		346
291	/* the next two functions merely cache the padlists */	347	/* the next two functions merely cache the padlists */
292	static void	348	static void
293	get_padlist (pTHX_ CV *cv)	349	get_padlist (pTHX_ CV *cv)
294	{	350	{
…		…
333	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334	}	390	}
335		391
336	/ load & save, init *****************************************************/	392	/ load & save, init *****************************************************/
337		393
338	#define SB do {
339	#define SE } while (0)
340
341	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
342
343	static void	394	static void
344	load_perl (pTHX_ Coro__State c)	395	load_perl (pTHX_ Coro__State c)
345	{	396	{
346	#define VAR(name,type) PL_ ## name = c->name;	397	#define VAR(name,type) PL_ ## name = c->name;
347	# include "state.h"	398	# include "state.h"
348	#undef VAR	399	#undef VAR
349		400
350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	401	GvSV (PL_defgv) = c->defsv;
351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	402	GvAV (PL_defgv) = c->defav;
352	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	403	GvSV (PL_errgv) = c->errsv;
353	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	404	GvSV (irsgv) = c->irssv_sv;
354
355	if (c->irssv)
356	{
357	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
358	{
359	SvREFCNT_dec (c->irssv);
360	c->irssv = 0;
361	}
362	else
363	{
364	REPLACE_SV (PL_rs, c->irssv);
365	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
366	sv_setsv (c->irssv_sv, PL_rs);
367	}
368	}
369		405
370	{	406	{
371	dSP;	407	dSP;
372	CV *cv;	408	CV *cv;
373		409
…		…
424		460
425	if (top_si->si_type == PERLSI_MAIN)	461	if (top_si->si_type == PERLSI_MAIN)
426	break;	462	break;
427		463
428	top_si = top_si->si_prev;	464	top_si = top_si->si_prev;
429	ccstk = top_si->si_cxstack;	465	ccstk = top_si->si_cxstack;
430	cxix = top_si->si_cxix;	466	cxix = top_si->si_cxix;
431	}	467	}
432		468
433	PUTBACK;	469	PUTBACK;
434	}	470	}
435		471
436	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	c->defav = GvAV (PL_defgv);
437	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	473	c->defsv = DEFSV;
438	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = ERRSV;
439	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	475	c->irssv_sv = GvSV (irsgv);
440	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
441		476
442	#define VAR(name,type)c->name = PL_ ## name;	477	#define VAR(name,type)c->name = PL_ ## name;
443	# include "state.h"	478	# include "state.h"
444	#undef VAR	479	#undef VAR
445	}	480	}
…		…
498	* destroy the stacks, the callchain etc...	533	* destroy the stacks, the callchain etc...
499	*/	534	*/
500	static void	535	static void
501	coro_destroy_stacks (pTHX)	536	coro_destroy_stacks (pTHX)
502	{	537	{
503	if (!IN_DESTRUCT)
504	{
505	/* restore all saved variables and stuff */
506	LEAVE_SCOPE (0);
507	assert (PL_tmps_floor == -1);
508
509	/* free all temporaries */
510	FREETMPS;
511	assert (PL_tmps_ix == -1);
512
513	/* unwind all extra stacks */
514	POPSTACK_TO (PL_mainstack);
515
516	/* unwind main stack */
517	dounwind (-1);
518	}
519
520	while (PL_curstackinfo->si_next)	538	while (PL_curstackinfo->si_next)
521	PL_curstackinfo = PL_curstackinfo->si_next;	539	PL_curstackinfo = PL_curstackinfo->si_next;
522		540
523	while (PL_curstackinfo)	541	while (PL_curstackinfo)
524	{	542	{
…		…
540	Safefree (PL_retstack);	558	Safefree (PL_retstack);
541	#endif	559	#endif
542	}	560	}
543		561
544	static size_t	562	static size_t
545	coro_rss (struct coro *coro)	563	coro_rss (pTHX_ struct coro *coro)
546	{	564	{
547	size_t rss = sizeof (coro);	565	size_t rss = sizeof (*coro);
548		566
549	if (coro->mainstack)	567	if (coro->mainstack)
550	{	568	{
551	if (coro->flags & CF_RUNNING)	569	if (coro->flags & CF_RUNNING)
552	{	570	{
…		…
554	# include "state.h"	572	# include "state.h"
555	#undef VAR	573	#undef VAR
556	}	574	}
557		575
558	rss += sizeof (coro->curstackinfo);	576	rss += sizeof (coro->curstackinfo);
559	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 *);
560	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
561	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
562	rss += coro->tmps_max * sizeof (SV *);	580	rss += coro->tmps_max * sizeof (SV *);
563	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
564	rss += coro->scopestack_max * sizeof (I32);	582	rss += coro->scopestack_max * sizeof (I32);
565	rss += coro->savestack_max * sizeof (ANY);	583	rss += coro->savestack_max * sizeof (ANY);
566		584
…		…
573	}	591	}
574		592
575	/ coroutine stack handling **********************************************/	593	/ coroutine stack handling **********************************************/
576		594
577	static void	595	static void
578	setup_coro (pTHX_ struct coro *coro)	596	coro_setup (pTHX_ struct coro *coro)
579	{	597	{
580	/*	598	/*
581	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
582	*/	600	*/
583	coro_init_stacks (aTHX);	601	coro_init_stacks (aTHX);
584		602
		603	PL_runops = RUNOPS_DEFAULT;
585	PL_curcop = &PL_compiling;	604	PL_curcop = &PL_compiling;
586	PL_in_eval = EVAL_NULL;	605	PL_in_eval = EVAL_NULL;
587	PL_comppad = 0;	606	PL_comppad = 0;
588	PL_curpm = 0;	607	PL_curpm = 0;
589	PL_localizing = 0;	608	PL_localizing = 0;
590	PL_dirty = 0;	609	PL_dirty = 0;
591	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);
592		618
593	{	619	{
594	dSP;	620	dSP;
595	LOGOP myop;	621	LOGOP myop;
596
597	SvREFCNT_dec (GvAV (PL_defgv));
598	GvAV (PL_defgv) = coro->args; coro->args = 0;
599		622
600	Zero (&myop, 1, LOGOP);	623	Zero (&myop, 1, LOGOP);
601	myop.op_next = Nullop;	624	myop.op_next = Nullop;
602	myop.op_flags = OPf_WANT_VOID;	625	myop.op_flags = OPf_WANT_VOID;
603		626
…		…
611		634
612	ENTER; /* necessary e.g. for dounwind */	635	ENTER; /* necessary e.g. for dounwind */
613	}	636	}
614		637
615	static void	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);
		669	}
		670
		671	static void
616	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
617	{	673	{
618	if (coro_mortal)	674	if (coro_mortal)
619	{	675	{
620	SvREFCNT_dec (coro_mortal);	676	SvREFCNT_dec (coro_mortal);
621	coro_mortal = 0;	677	coro_mortal = 0;
622	}	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	while (bot < top)
		714	av_push (av, SvREFCNT_inc (*bot++));
		715
		716	PL_runops = RUNOPS_DEFAULT;
		717	ENTER;
		718	SAVETMPS;
		719	EXTEND (SP, 3);
		720	PUSHMARK (SP);
		721	PUSHs (&PL_sv_no);
		722	PUSHs (fullname);
		723	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		724	PUTBACK;
		725	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		726	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		727	SPAGAIN;
		728	FREETMPS;
		729	LEAVE;
		730	PL_runops = runops_trace;
		731	}
		732
		733	if (oldcop != PL_curcop)
		734	{
		735	oldcop = PL_curcop;
		736
		737	if (PL_curcop != &PL_compiling)
		738	{
		739	SV **cb;
		740
		741	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		742	{
		743	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		744
		745	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		746	{
		747	runops_proc_t old_runops = PL_runops;
		748	dSP;
		749	GV *gv = CvGV (cx->blk_sub.cv);
		750	SV *fullname = sv_2mortal (newSV (0));
		751
		752	if (isGV (gv))
		753	gv_efullname3 (fullname, gv, 0);
		754
		755	PL_runops = RUNOPS_DEFAULT;
		756	ENTER;
		757	SAVETMPS;
		758	EXTEND (SP, 3);
		759	PUSHMARK (SP);
		760	PUSHs (&PL_sv_yes);
		761	PUSHs (fullname);
		762	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		763	PUTBACK;
		764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		766	SPAGAIN;
		767	FREETMPS;
		768	LEAVE;
		769	PL_runops = runops_trace;
		770	}
		771
		772	oldcxix = cxstack_ix;
		773	}
		774
		775	if (cctx->flags & CC_TRACE_LINE)
		776	{
		777	dSP;
		778
		779	PL_runops = RUNOPS_DEFAULT;
		780	ENTER;
		781	SAVETMPS;
		782	EXTEND (SP, 3);
		783	PL_runops = RUNOPS_DEFAULT;
		784	PUSHMARK (SP);
		785	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		786	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		787	PUTBACK;
		788	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		789	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		790	SPAGAIN;
		791	FREETMPS;
		792	LEAVE;
		793	PL_runops = runops_trace;
		794	}
		795	}
		796	}
		797	}
		798	}
		799
		800	TAINT_NOT;
		801	return 0;
623	}	802	}
624		803
625	/* inject a fake call to Coro::State::_cctx_init into the execution */	804	/* inject a fake call to Coro::State::_cctx_init into the execution */
626	/* _cctx_init should be careful, as it could be called at almost any time */	805	/* _cctx_init should be careful, as it could be called at almost any time */
627	/* during execution of a perl program */	806	/* during execution of a perl program */
628	static void NOINLINE	807	static void NOINLINE
629	prepare_cctx (pTHX_ coro_cctx *cctx)	808	prepare_cctx (pTHX_ coro_cctx *cctx)
630	{	809	{
631	dSP;	810	dSP;
632	LOGOP myop;	811	LOGOP myop;
		812
		813	PL_top_env = &PL_start_env;
		814
		815	if (cctx->flags & CC_TRACE)
		816	PL_runops = runops_trace;
633		817
634	Zero (&myop, 1, LOGOP);	818	Zero (&myop, 1, LOGOP);
635	myop.op_next = PL_op;	819	myop.op_next = PL_op;
636	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	820	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
637		821
…		…
654	dTHX;	838	dTHX;
655		839
656	/* coro_run is the alternative tail of transfer(), so unlock here. */	840	/* coro_run is the alternative tail of transfer(), so unlock here. */
657	UNLOCK;	841	UNLOCK;
658		842
659	PL_top_env = &PL_start_env;	843	/* we now skip the entersub that lead to transfer() */
		844	PL_op = PL_op->op_next;
660		845
661	/* inject a fake subroutine call to cctx_init */	846	/* inject a fake subroutine call to cctx_init */
662	prepare_cctx (aTHX_ (coro_cctx *)arg);	847	prepare_cctx (aTHX_ (coro_cctx *)arg);
663		848
664	/* somebody or something will hit me for both perl_run and PL_restartop */	849	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
698	# if CORO_STACKGUARD	883	# if CORO_STACKGUARD
699	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	884	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
700	# endif	885	# endif
701	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	886	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
702	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	887	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
703	cctx->mapped = 1;	888	cctx->flags \|= CC_MAPPED;
704	}	889	}
705	else	890	else
706	#endif	891	#endif
707	{	892	{
708	cctx->ssize = coro_stacksize * (long)sizeof (long);	893	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
735	#if CORO_USE_VALGRIND	920	#if CORO_USE_VALGRIND
736	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	921	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
737	#endif	922	#endif
738		923
739	#if HAVE_MMAP	924	#if HAVE_MMAP
740	if (cctx->mapped)	925	if (cctx->flags & CC_MAPPED)
741	munmap (cctx->sptr, cctx->ssize);	926	munmap (cctx->sptr, cctx->ssize);
742	else	927	else
743	#endif	928	#endif
744	Safefree (cctx->sptr);	929	Safefree (cctx->sptr);
745		930
…		…
753	{	938	{
754	coro_cctx *cctx = cctx_first;	939	coro_cctx *cctx = cctx_first;
755	cctx_first = cctx->next;	940	cctx_first = cctx->next;
756	--cctx_idle;	941	--cctx_idle;
757		942
758	if (cctx->ssize >= coro_stacksize)	943	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
759	return cctx;	944	return cctx;
760		945
761	cctx_destroy (cctx);	946	cctx_destroy (cctx);
762	}	947	}
763		948
764	PL_op = PL_op->op_next;
765	return cctx_new ();	949	return cctx_new ();
766	}	950	}
767		951
768	static void	952	static void
769	cctx_put (coro_cctx *cctx)	953	cctx_put (coro_cctx *cctx)
…		…
773	{	957	{
774	coro_cctx *first = cctx_first;	958	coro_cctx *first = cctx_first;
775	cctx_first = first->next;	959	cctx_first = first->next;
776	--cctx_idle;	960	--cctx_idle;
777		961
778	assert (!first->inuse);
779	cctx_destroy (first);	962	cctx_destroy (first);
780	}	963	}
781		964
782	++cctx_idle;	965	++cctx_idle;
783	cctx->next = cctx_first;	966	cctx->next = cctx_first;
784	cctx_first = cctx;	967	cctx_first = cctx;
785	}	968	}
786		969
787	/ coroutine switching ***************************************************/	970	/ coroutine switching ***************************************************/
788		971
789	/* never call directly, always through the coro_state_transfer global variable */	972	static void NOINLINE
		973	transfer_check (pTHX_ struct coro prev, struct coro next)
		974	{
		975	if (prev != next)
		976	{
		977	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		978	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		979
		980	if (next->flags & CF_RUNNING)
		981	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		982
		983	if (next->flags & CF_DESTROYED)
		984	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		985
		986	if (PL_lex_state != LEX_NOTPARSING)
		987	croak ("Coro::State::transfer called while parsing, but this is not supported");
		988	}
		989	}
		990
		991	/* always use the TRANSFER macro */
790	static void NOINLINE	992	static void NOINLINE
791	transfer (pTHX_ struct coro prev, struct coro next)	993	transfer (pTHX_ struct coro prev, struct coro next)
792	{	994	{
793	dSTACKLEVEL;	995	dSTACKLEVEL;
794		996
…		…
804		1006
805	if (prev->flags & CF_NEW)	1007	if (prev->flags & CF_NEW)
806	{	1008	{
807	/* create a new empty context */	1009	/* create a new empty context */
808	Newz (0, prev->cctx, 1, coro_cctx);	1010	Newz (0, prev->cctx, 1, coro_cctx);
809	prev->cctx->inuse = 1;
810	prev->flags &= ~CF_NEW;	1011	prev->flags &= ~CF_NEW;
811	prev->flags \|= CF_RUNNING;	1012	prev->flags \|= CF_RUNNING;
812	}	1013	}
813
814	/TODO: must not croak here /
815	if (!prev->flags & CF_RUNNING)
816	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
817
818	if (next->flags & CF_RUNNING)
819	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
820
821	if (next->flags & CF_DESTROYED)
822	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
823		1014
824	prev->flags &= ~CF_RUNNING;	1015	prev->flags &= ~CF_RUNNING;
825	next->flags \|= CF_RUNNING;	1016	next->flags \|= CF_RUNNING;
826		1017
827	LOCK;	1018	LOCK;
…		…
831	/* need to start coroutine */	1022	/* need to start coroutine */
832	next->flags &= ~CF_NEW;	1023	next->flags &= ~CF_NEW;
833	/* first get rid of the old state */	1024	/* first get rid of the old state */
834	save_perl (aTHX_ prev);	1025	save_perl (aTHX_ prev);
835	/* setup coroutine call */	1026	/* setup coroutine call */
836	setup_coro (aTHX_ next);	1027	coro_setup (aTHX_ next);
837	/* need a new stack */
838	assert (!next->cctx);
839	}	1028	}
840	else	1029	else
841	{	1030	{
842	/* coroutine already started */	1031	/* coroutine already started */
843	save_perl (aTHX_ prev);	1032	save_perl (aTHX_ prev);
…		…
845	}	1034	}
846		1035
847	prev__cctx = prev->cctx;	1036	prev__cctx = prev->cctx;
848		1037
849	/* possibly "free" the cctx */	1038	/* possibly "free" the cctx */
850	if (prev__cctx->idle_sp == STACKLEVEL)	1039	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
851	{	1040	{
852	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1041	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
853	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1042	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
854		1043
855	prev->cctx = 0;	1044	prev->cctx = 0;
856		1045
857	cctx_put (prev__cctx);	1046	cctx_put (prev__cctx);
858	prev__cctx->inuse = 0;
859	}	1047	}
860		1048
		1049	++next->usecount;
		1050
861	if (!next->cctx)	1051	if (!next->cctx)
862	{
863	next->cctx = cctx_get (aTHX);	1052	next->cctx = cctx_get (aTHX);
864	assert (!next->cctx->inuse);
865	next->cctx->inuse = 1;
866	}
867		1053
868	if (prev__cctx != next->cctx)	1054	if (prev__cctx != next->cctx)
869	{	1055	{
870	prev__cctx->top_env = PL_top_env;	1056	prev__cctx->top_env = PL_top_env;
871	PL_top_env = next->cctx->top_env;	1057	PL_top_env = next->cctx->top_env;
…		…
881	{	1067	{
882	struct coro prev, next;	1068	struct coro prev, next;
883	};	1069	};
884		1070
885	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1071	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1072	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
886		1073
887	/ high level stuff ******************************************************/	1074	/ high level stuff ******************************************************/
888		1075
889	static int	1076	static int
890	coro_state_destroy (pTHX_ struct coro *coro)	1077	coro_state_destroy (pTHX_ struct coro *coro)
…		…
907		1094
908	if (coro->mainstack && coro->mainstack != main_mainstack)	1095	if (coro->mainstack && coro->mainstack != main_mainstack)
909	{	1096	{
910	struct coro temp;	1097	struct coro temp;
911		1098
912	assert (!(coro->flags & CF_RUNNING));
913
914	Zero (&temp, 1, struct coro);
915	temp.save = CORO_SAVE_ALL;
916
917	if (coro->flags & CF_RUNNING)	1099	if (coro->flags & CF_RUNNING)
918	croak ("FATAL: tried to destroy currently running coroutine");	1100	croak ("FATAL: tried to destroy currently running coroutine");
919		1101
920	save_perl (aTHX_ &temp);	1102	save_perl (aTHX_ &temp);
921	load_perl (aTHX_ coro);	1103	load_perl (aTHX_ coro);
922		1104
923	coro_destroy_stacks (aTHX);	1105	coro_destroy (aTHX_ coro);
924		1106
925	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1107	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
926		1108
927	coro->mainstack = 0;	1109	coro->mainstack = 0;
928	}	1110	}
…		…
973	#else	1155	#else
974	# define MGf_DUP 0	1156	# define MGf_DUP 0
975	#endif	1157	#endif
976	};	1158	};
977		1159
978	static struct coro *
979	SvSTATE_ (pTHX_ SV *coro)
980	{
981	HV *stash;
982	MAGIC *mg;
983
984	if (SvROK (coro))
985	coro = SvRV (coro);
986
987	stash = SvSTASH (coro);
988	if (stash != coro_stash && stash != coro_state_stash)
989	{
990	/* very slow, but rare, check */
991	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
992	croak ("Coro::State object required");
993	}
994
995	mg = CORO_MAGIC (coro);
996	return (struct coro *)mg->mg_ptr;
997	}
998
999	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1000
1001	static void	1160	static void
1002	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1161	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1003	{	1162	{
1004	ta->prev = SvSTATE (prev_sv);	1163	ta->prev = SvSTATE (prev_sv);
1005	ta->next = SvSTATE (next_sv);	1164	ta->next = SvSTATE (next_sv);
		1165	TRANSFER_CHECK (*ta);
1006	}	1166	}
1007		1167
1008	static void	1168	static void
1009	api_transfer (SV prev_sv, SV next_sv)	1169	api_transfer (SV prev_sv, SV next_sv)
1010	{	1170	{
1011	dTHX;	1171	dTHX;
1012	struct transfer_args ta;	1172	struct transfer_args ta;
1013		1173
1014	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1174	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1015	TRANSFER (ta);	1175	TRANSFER (ta);
1016	}
1017
1018	static int
1019	api_save (SV *coro_sv, int new_save)
1020	{
1021	dTHX;
1022	struct coro *coro = SvSTATE (coro_sv);
1023	int old_save = coro->save;
1024
1025	if (new_save >= 0)
1026	coro->save = new_save;
1027
1028	return old_save;
1029	}	1176	}
1030		1177
1031	/ Coro ******************************************************************/	1178	/ Coro ******************************************************************/
1032		1179
1033	static void	1180	static void
…		…
1127	break;	1274	break;
1128	}	1275	}
1129		1276
1130	/* free this only after the transfer */	1277	/* free this only after the transfer */
1131	prev_sv = SvRV (coro_current);	1278	prev_sv = SvRV (coro_current);
1132	SvRV_set (coro_current, next_sv);
1133	ta->prev = SvSTATE (prev_sv);	1279	ta->prev = SvSTATE (prev_sv);
1134		1280	TRANSFER_CHECK (*ta);
1135	assert (ta->next->flags & CF_READY);	1281	assert (ta->next->flags & CF_READY);
1136	ta->next->flags &= ~CF_READY;	1282	ta->next->flags &= ~CF_READY;
		1283	SvRV_set (coro_current, next_sv);
1137		1284
1138	LOCK;	1285	LOCK;
1139	free_coro_mortal (aTHX);	1286	free_coro_mortal (aTHX);
1140	coro_mortal = prev_sv;	1287	coro_mortal = prev_sv;
1141	UNLOCK;	1288	UNLOCK;
…		…
1202	}	1349	}
1203	else	1350	else
1204	return 0;	1351	return 0;
1205	}	1352	}
1206		1353
		1354	static void
		1355	api_trace (SV *coro_sv, int flags)
		1356	{
		1357	dTHX;
		1358	struct coro *coro = SvSTATE (coro_sv);
		1359
		1360	if (flags & CC_TRACE)
		1361	{
		1362	if (!coro->cctx)
		1363	coro->cctx = cctx_new ();
		1364	else if (!(coro->cctx->flags & CC_TRACE))
		1365	croak ("cannot enable tracing on coroutine with custom stack");
		1366
		1367	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1368	}
		1369	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1370	{
		1371	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1372
		1373	if (coro->flags & CF_RUNNING)
		1374	PL_runops = RUNOPS_DEFAULT;
		1375	else
		1376	coro->runops = RUNOPS_DEFAULT;
		1377	}
		1378	}
		1379
1207	MODULE = Coro::State PACKAGE = Coro::State	1380	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1208		1381
1209	PROTOTYPES: DISABLE	1382	PROTOTYPES: DISABLE
1210		1383
1211	BOOT:	1384	BOOT:
1212	{	1385	{
1213	#ifdef USE_ITHREADS	1386	#ifdef USE_ITHREADS
1214	MUTEX_INIT (&coro_mutex);	1387	MUTEX_INIT (&coro_mutex);
1215	#endif	1388	#endif
1216	BOOT_PAGESIZE;	1389	BOOT_PAGESIZE;
1217		1390
		1391	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1392	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1393
1218	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1394	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1219		1395
1220	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1396	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1221	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1397	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1222	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1223	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1224	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1225	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1398	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1226	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1399	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1227		1400
1228	main_mainstack = PL_mainstack;	1401	main_mainstack = PL_mainstack;
1229	main_top_env = PL_top_env;	1402	main_top_env = PL_top_env;
1230		1403
1231	while (main_top_env->je_prev)	1404	while (main_top_env->je_prev)
…		…
1244	struct coro *coro;	1417	struct coro *coro;
1245	HV *hv;	1418	HV *hv;
1246	int i;	1419	int i;
1247		1420
1248	Newz (0, coro, 1, struct coro);	1421	Newz (0, coro, 1, struct coro);
1249	coro->args = newAV ();	1422	coro->args = newAV ();
1250	coro->save = CORO_SAVE_DEF;
1251	coro->flags = CF_NEW;	1423	coro->flags = CF_NEW;
1252		1424
1253	if (coro_first) coro_first->prev = coro;	1425	if (coro_first) coro_first->prev = coro;
1254	coro->next = coro_first;	1426	coro->next = coro_first;
1255	coro_first = coro;	1427	coro_first = coro;
…		…
1262	av_push (coro->args, newSVsv (ST (i)));	1434	av_push (coro->args, newSVsv (ST (i)));
1263	}	1435	}
1264	OUTPUT:	1436	OUTPUT:
1265	RETVAL	1437	RETVAL
1266		1438
1267	int	1439	# these not obviously related functions are all rolled into the same xs
1268	save (SV *coro, int new_save = -1)	1440	# function to increase chances that they all will call transfer with the same
1269	CODE:	1441	# stack offset
1270	RETVAL = api_save (coro, new_save);
1271	OUTPUT:
1272	RETVAL
1273
1274	int
1275	save_also (SV *coro_sv, int save_also)
1276	CODE:
1277	{
1278	struct coro *coro = SvSTATE (coro_sv);
1279	RETVAL = coro->save;
1280	coro->save \|= save_also;
1281	}
1282	OUTPUT:
1283	RETVAL
1284
1285	void	1442	void
1286	_set_stacklevel (...)	1443	_set_stacklevel (...)
1287	ALIAS:	1444	ALIAS:
1288	Coro::State::transfer = 1	1445	Coro::State::transfer = 1
1289	Coro::schedule = 2	1446	Coro::schedule = 2
…		…
1375	if (coro->hv)	1532	if (coro->hv)
1376	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1533	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1377	}	1534	}
1378		1535
1379	void	1536	void
1380	_eval (Coro::State coro, SV *coderef)	1537	call (Coro::State coro, SV *coderef)
		1538	ALIAS:
		1539	eval = 1
1381	CODE:	1540	CODE:
1382	{	1541	{
1383	if (coro->mainstack)	1542	if (coro->mainstack)
1384	{	1543	{
1385	struct coro temp;	1544	struct coro temp;
1386	Zero (&temp, 1, struct coro);	1545	Zero (&temp, 1, struct coro);
1387	temp.save = CORO_SAVE_ALL;
1388		1546
1389	if (!(coro->flags & CF_RUNNING))	1547	if (!(coro->flags & CF_RUNNING))
1390	{	1548	{
1391	save_perl (aTHX_ &temp);	1549	save_perl (aTHX_ &temp);
1392	load_perl (aTHX_ coro);	1550	load_perl (aTHX_ coro);
…		…
1396	dSP;	1554	dSP;
1397	ENTER;	1555	ENTER;
1398	SAVETMPS;	1556	SAVETMPS;
1399	PUSHMARK (SP);	1557	PUSHMARK (SP);
1400	PUTBACK;	1558	PUTBACK;
		1559	if (ix)
		1560	eval_sv (coderef, 0);
		1561	else
1401	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1562	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1402	SPAGAIN;	1563	SPAGAIN;
1403	FREETMPS;	1564	FREETMPS;
1404	LEAVE;	1565	LEAVE;
1405	PUTBACK;	1566	PUTBACK;
1406	}	1567	}
…		…
1410	save_perl (aTHX_ coro);	1571	save_perl (aTHX_ coro);
1411	load_perl (aTHX_ &temp);	1572	load_perl (aTHX_ &temp);
1412	}	1573	}
1413	}	1574	}
1414	}	1575	}
1415		1576
1416	SV *	1577	SV *
1417	is_ready (Coro::State coro)	1578	is_ready (Coro::State coro)
1418	PROTOTYPE: $	1579	PROTOTYPE: $
1419	ALIAS:	1580	ALIAS:
1420	is_ready = CF_READY	1581	is_ready = CF_READY
…		…
1424	CODE:	1585	CODE:
1425	RETVAL = boolSV (coro->flags & ix);	1586	RETVAL = boolSV (coro->flags & ix);
1426	OUTPUT:	1587	OUTPUT:
1427	RETVAL	1588	RETVAL
1428		1589
		1590	void
		1591	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1592
		1593	SV *
		1594	has_stack (Coro::State coro)
		1595	PROTOTYPE: $
		1596	CODE:
		1597	RETVAL = boolSV (!!coro->cctx);
		1598	OUTPUT:
		1599	RETVAL
		1600
		1601	int
		1602	is_traced (Coro::State coro)
		1603	PROTOTYPE: $
		1604	CODE:
		1605	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1606	OUTPUT:
		1607	RETVAL
		1608
1429	IV	1609	IV
1430	rss (Coro::State coro)	1610	rss (Coro::State coro)
1431	PROTOTYPE: $	1611	PROTOTYPE: $
		1612	ALIAS:
		1613	usecount = 1
1432	CODE:	1614	CODE:
1433	RETVAL = coro_rss (coro);	1615	switch (ix)
		1616	{
		1617	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1618	case 1: RETVAL = coro->usecount; break;
		1619	}
1434	OUTPUT:	1620	OUTPUT:
1435	RETVAL	1621	RETVAL
1436		1622
1437		1623
1438	MODULE = Coro::State PACKAGE = Coro	1624	MODULE = Coro::State PACKAGE = Coro
1439		1625
1440	BOOT:	1626	BOOT:
1441	{	1627	{
1442	int i;	1628	int i;
		1629
		1630	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1631	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1632	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1633
		1634	coro_current = get_sv ("Coro::current", FALSE);
		1635	SvREADONLY_on (coro_current);
1443		1636
1444	coro_stash = gv_stashpv ("Coro", TRUE);	1637	coro_stash = gv_stashpv ("Coro", TRUE);
1445		1638
1446	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1639	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1447	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1640	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1448	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1641	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1449	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1642	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1450	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1643	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1451	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1644	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1452		1645
1453	coro_current = get_sv ("Coro::current", FALSE);
1454	SvREADONLY_on (coro_current);
1455
1456	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1646	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1457	coro_ready[i] = newAV ();	1647	coro_ready[i] = newAV ();
1458		1648
1459	{	1649	{
1460	SV *sv = perl_get_sv("Coro::API", 1);	1650	SV *sv = perl_get_sv("Coro::API", 1);
1461		1651
1462	coroapi.schedule = api_schedule;	1652	coroapi.schedule = api_schedule;
1463	coroapi.save = api_save;
1464	coroapi.cede = api_cede;	1653	coroapi.cede = api_cede;
1465	coroapi.cede_notself = api_cede_notself;	1654	coroapi.cede_notself = api_cede_notself;
1466	coroapi.ready = api_ready;	1655	coroapi.ready = api_ready;
1467	coroapi.is_ready = api_is_ready;	1656	coroapi.is_ready = api_is_ready;
1468	coroapi.nready = &coro_nready;	1657	coroapi.nready = &coro_nready;
…		…
1517	CODE:	1706	CODE:
1518	RETVAL = coro_nready;	1707	RETVAL = coro_nready;
1519	OUTPUT:	1708	OUTPUT:
1520	RETVAL	1709	RETVAL
1521		1710
		1711	# for async_pool speedup
		1712	void
		1713	_pool_1 (SV *cb)
		1714	CODE:
		1715	{
		1716	struct coro *coro = SvSTATE (coro_current);
		1717	HV hv = (HV )SvRV (coro_current);
		1718	AV *defav = GvAV (PL_defgv);
		1719	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1720	AV *invoke_av;
		1721	int i, len;
		1722
		1723	if (!invoke)
		1724	croak ("\3terminate\2\n");
		1725
		1726	SvREFCNT_dec (coro->saved_deffh);
		1727	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1728
		1729	hv_store (hv, "desc", sizeof ("desc") - 1,
		1730	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1731
		1732	invoke_av = (AV *)SvRV (invoke);
		1733	len = av_len (invoke_av);
		1734
		1735	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1736
		1737	if (len > 0)
		1738	{
		1739	av_fill (defav, len - 1);
		1740	for (i = 0; i < len; ++i)
		1741	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1742	}
		1743
		1744	SvREFCNT_dec (invoke);
		1745	}
		1746
		1747	void
		1748	_pool_2 (SV *cb)
		1749	CODE:
		1750	{
		1751	struct coro *coro = SvSTATE (coro_current);
		1752
		1753	sv_setsv (cb, &PL_sv_undef);
		1754
		1755	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1756	coro->saved_deffh = 0;
		1757
		1758	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1759	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1760	croak ("\3terminate\2\n");
		1761
		1762	av_clear (GvAV (PL_defgv));
		1763	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1764	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1765
		1766	coro->prio = 0;
		1767
		1768	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1769	api_trace (coro_current, 0);
		1770
		1771	av_push (av_async_pool, newSVsv (coro_current));
		1772	}
		1773
		1774
1522	MODULE = Coro::State PACKAGE = Coro::AIO	1775	MODULE = Coro::State PACKAGE = Coro::AIO
1523		1776
1524	SV *	1777	SV *
1525	_get_state ()	1778	_get_state ()
1526	CODE:	1779	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.157 by root, Fri Sep 21 02:01:13 2007 UTC vs. Revision 1.191 by root, Fri Oct 5 20:47:49 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.157 by root, Fri Sep 21 02:01:13 2007 UTC vs.
Revision 1.191 by root, Fri Oct 5 20:47:49 2007 UTC