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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.155 by root, Fri Sep 21 01:09:36 2007 UTC vs.
Revision 1.190 by root, Fri Oct 5 20:39:39 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
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	85	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	86	# undef CORO_STACKGUARD
82	#endif	87	#endif
83		88
84	#ifndef CORO_STACKGUARD	89	#ifndef CORO_STACKGUARD
…		…
88	/* prefer perl internal functions over our own? */	93	/* prefer perl internal functions over our own? */
89	#ifndef CORO_PREFER_PERL_FUNCTIONS	94	#ifndef CORO_PREFER_PERL_FUNCTIONS
90	# define CORO_PREFER_PERL_FUNCTIONS 0	95	# define CORO_PREFER_PERL_FUNCTIONS 0
91	#endif	96	#endif
92		97
93	/* The next macro should declare a variable stacklevel that contains and approximation	98	/* 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	99	* portable way as possible. */
95	* and should be unique. */
96	#define dSTACKLEVEL int stacklevel	100	#define dSTACKLEVEL volatile char stacklevel
97	#define STACKLEVEL ((void *)&stacklevel)	101	#define STACKLEVEL ((void *)&stacklevel)
98		102
99	#define IN_DESTRUCT (PL_main_cv == Nullcv)	103	#define IN_DESTRUCT (PL_main_cv == Nullcv)
100		104
101	#if __GNUC__ >= 3	105	#if __GNUC__ >= 3
…		…
133	static AV main_mainstack; / used to differentiate between $main and others */	137	static AV main_mainstack; / used to differentiate between $main and others */
134	static JMPENV *main_top_env;	138	static JMPENV *main_top_env;
135	static HV coro_state_stash, coro_stash;	139	static HV coro_state_stash, coro_stash;
136	static SV coro_mortal; / will be freed after next transfer */	140	static SV coro_mortal; / will be freed after next transfer */
137		141
		142	static GV irsgv; / $/ */
		143	static GV stdoutgv; / STDOUT /
		144
		145	/* async_pool helper stuff */
		146	static SV *sv_pool_rss;
		147	static SV *sv_pool_size;
		148	static AV *av_async_pool;
		149
138	static struct coro_cctx *cctx_first;	150	static struct coro_cctx *cctx_first;
139	static int cctx_count, cctx_idle;	151	static int cctx_count, cctx_idle;
		152
		153	enum {
		154	CC_MAPPED = 0x01,
		155	CC_NOREUSE = 0x02, /* throw this away after tracing */
		156	CC_TRACE = 0x04,
		157	CC_TRACE_SUB = 0x08, /* trace sub calls */
		158	CC_TRACE_LINE = 0x10, /* trace each statement */
		159	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		160	};
140		161
141	/* this is a structure representing a c-level coroutine */	162	/* this is a structure representing a c-level coroutine */
142	typedef struct coro_cctx {	163	typedef struct coro_cctx {
143	struct coro_cctx *next;	164	struct coro_cctx *next;
144		165
…		…
153	coro_context cctx;	174	coro_context cctx;
154		175
155	#if CORO_USE_VALGRIND	176	#if CORO_USE_VALGRIND
156	int valgrind_id;	177	int valgrind_id;
157	#endif	178	#endif
158	char inuse, mapped;	179	unsigned char flags;
159	} coro_cctx;	180	} coro_cctx;
160		181
161	enum {	182	enum {
162	CF_RUNNING = 0x0001, /* coroutine is running */	183	CF_RUNNING = 0x0001, /* coroutine is running */
163	CF_READY = 0x0002, /* coroutine is ready */	184	CF_READY = 0x0002, /* coroutine is ready */
…		…
171	coro_cctx *cctx;	192	coro_cctx *cctx;
172		193
173	/* data associated with this coroutine (initial args) */	194	/* data associated with this coroutine (initial args) */
174	AV *args;	195	AV *args;
175	int refcnt;	196	int refcnt;
176	int save; /* CORO_SAVE flags */
177	int flags; /* CF_ flags */	197	int flags; /* CF_ flags */
178		198
179	/* optionally saved, might be zero */	199	/* optionally saved, might be zero */
180	AV defav; / @_ */	200	AV defav; / @_ */
181	SV defsv; / $_ */	201	SV defsv; / $_ */
182	SV errsv; / $@ */	202	SV errsv; / $@ */
183	GV deffh; / default filehandle */	203	SV deffh; / default filehandle */
184	SV irssv; / $/ */	204	SV irssv; / $/ */
185	SV irssv_sv; / real $/ cache */	205	SV irssv_sv; / real $/ cache */
186		206
187	#define VAR(name,type) type name;	207	#define VAR(name,type) type name;
188	# include "state.h"	208	# include "state.h"
189	#undef VAR	209	#undef VAR
190		210
		211	/* statistics */
		212	int usecount; /* number of transfers to this coro */
		213
191	/* coro process data */	214	/* coro process data */
192	int prio;	215	int prio;
		216	//SV *throw;
		217
		218	/* async_pool */
		219	SV *saved_deffh;
193		220
194	/* linked list */	221	/* linked list */
195	struct coro next, prev;	222	struct coro next, prev;
196	HV hv; / the perl hash associated with this coro, if any */	223	HV hv; / the perl hash associated with this coro, if any */
197	};	224	};
…		…
285	SvMAGIC (cv) \	312	SvMAGIC (cv) \
286	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	313	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287	? SvMAGIC (cv) \	314	? SvMAGIC (cv) \
288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	315	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
289	: 0	316	: 0
		317
		318	static struct coro *
		319	SvSTATE_ (pTHX_ SV *coro)
		320	{
		321	HV *stash;
		322	MAGIC *mg;
		323
		324	if (SvROK (coro))
		325	coro = SvRV (coro);
		326
		327	if (SvTYPE (coro) != SVt_PVHV)
		328	croak ("Coro::State object required");
		329
		330	stash = SvSTASH (coro);
		331	if (stash != coro_stash && stash != coro_state_stash)
		332	{
		333	/* very slow, but rare, check */
		334	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		335	croak ("Coro::State object required");
		336	}
		337
		338	mg = CORO_MAGIC (coro);
		339	return (struct coro *)mg->mg_ptr;
		340	}
		341
		342	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290		343
291	/* the next two functions merely cache the padlists */	344	/* the next two functions merely cache the padlists */
292	static void	345	static void
293	get_padlist (pTHX_ CV *cv)	346	get_padlist (pTHX_ CV *cv)
294	{	347	{
…		…
333	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	386	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334	}	387	}
335		388
336	/ load & save, init *****************************************************/	389	/ load & save, init *****************************************************/
337		390
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	391	static void
344	load_perl (pTHX_ Coro__State c)	392	load_perl (pTHX_ Coro__State c)
345	{	393	{
346	#define VAR(name,type) PL_ ## name = c->name;	394	#define VAR(name,type) PL_ ## name = c->name;
347	# include "state.h"	395	# include "state.h"
348	#undef VAR	396	#undef VAR
349		397
350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	398	GvSV (PL_defgv) = c->defsv;
351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	399	GvAV (PL_defgv) = c->defav;
352	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	400	GvSV (PL_errgv) = c->errsv;
353	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	401	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		402
370	{	403	{
371	dSP;	404	dSP;
372	CV *cv;	405	CV *cv;
373		406
…		…
395	/*	428	/*
396	* the worst thing you can imagine happens first - we have to save	429	* the worst thing you can imagine happens first - we have to save
397	* (and reinitialize) all cv's in the whole callchain :(	430	* (and reinitialize) all cv's in the whole callchain :(
398	*/	431	*/
399		432
400	EXTEND (SP, 3 + 1);
401	PUSHs (Nullsv);	433	XPUSHs (Nullsv);
402	/* this loop was inspired by pp_caller */	434	/* this loop was inspired by pp_caller */
403	for (;;)	435	for (;;)
404	{	436	{
405	while (cxix >= 0)	437	while (cxix >= 0)
406	{	438	{
…		…
425		457
426	if (top_si->si_type == PERLSI_MAIN)	458	if (top_si->si_type == PERLSI_MAIN)
427	break;	459	break;
428		460
429	top_si = top_si->si_prev;	461	top_si = top_si->si_prev;
430	ccstk = top_si->si_cxstack;	462	ccstk = top_si->si_cxstack;
431	cxix = top_si->si_cxix;	463	cxix = top_si->si_cxix;
432	}	464	}
433		465
434	PUTBACK;	466	PUTBACK;
435	}	467	}
436		468
437	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	469	c->defav = GvAV (PL_defgv);
438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	470	c->defsv = DEFSV;
439	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	471	c->errsv = ERRSV;
440	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	472	c->irssv_sv = GvSV (irsgv);
441	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
442		473
443	#define VAR(name,type)c->name = PL_ ## name;	474	#define VAR(name,type)c->name = PL_ ## name;
444	# include "state.h"	475	# include "state.h"
445	#undef VAR	476	#undef VAR
446	}	477	}
…		…
455	# define coro_init_stacks init_stacks	486	# define coro_init_stacks init_stacks
456	#else	487	#else
457	static void	488	static void
458	coro_init_stacks (pTHX)	489	coro_init_stacks (pTHX)
459	{	490	{
460	PL_curstackinfo = new_stackinfo(64, 4);	491	PL_curstackinfo = new_stackinfo(64, 6);
461	PL_curstackinfo->si_type = PERLSI_MAIN;	492	PL_curstackinfo->si_type = PERLSI_MAIN;
462	PL_curstack = PL_curstackinfo->si_stack;	493	PL_curstack = PL_curstackinfo->si_stack;
463	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	494	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
464		495
465	PL_stack_base = AvARRAY(PL_curstack);	496	PL_stack_base = AvARRAY(PL_curstack);
…		…
486	New(54,PL_savestack,64,ANY);	517	New(54,PL_savestack,64,ANY);
487	PL_savestack_ix = 0;	518	PL_savestack_ix = 0;
488	PL_savestack_max = 64;	519	PL_savestack_max = 64;
489		520
490	#if !PERL_VERSION_ATLEAST (5,9,0)	521	#if !PERL_VERSION_ATLEAST (5,9,0)
491	New(54,PL_retstack,8,OP*);	522	New(54,PL_retstack,4,OP*);
492	PL_retstack_ix = 0;	523	PL_retstack_ix = 0;
493	PL_retstack_max = 8;	524	PL_retstack_max = 4;
494	#endif	525	#endif
495	}	526	}
496	#endif	527	#endif
497		528
498	/*	529	/*
499	* destroy the stacks, the callchain etc...	530	* destroy the stacks, the callchain etc...
500	*/	531	*/
501	static void	532	static void
502	coro_destroy_stacks (pTHX)	533	coro_destroy_stacks (pTHX)
503	{	534	{
504	if (!IN_DESTRUCT)
505	{
506	/* restore all saved variables and stuff */
507	LEAVE_SCOPE (0);
508	assert (PL_tmps_floor == -1);
509
510	/* free all temporaries */
511	FREETMPS;
512	assert (PL_tmps_ix == -1);
513
514	/* unwind all extra stacks */
515	POPSTACK_TO (PL_mainstack);
516
517	/* unwind main stack */
518	dounwind (-1);
519	}
520
521	while (PL_curstackinfo->si_next)	535	while (PL_curstackinfo->si_next)
522	PL_curstackinfo = PL_curstackinfo->si_next;	536	PL_curstackinfo = PL_curstackinfo->si_next;
523		537
524	while (PL_curstackinfo)	538	while (PL_curstackinfo)
525	{	539	{
…		…
541	Safefree (PL_retstack);	555	Safefree (PL_retstack);
542	#endif	556	#endif
543	}	557	}
544		558
545	static size_t	559	static size_t
546	coro_rss (struct coro *coro)	560	coro_rss (pTHX_ struct coro *coro)
547	{	561	{
548	size_t rss = sizeof (coro);	562	size_t rss = sizeof (*coro);
549		563
550	if (coro->mainstack)	564	if (coro->mainstack)
551	{	565	{
552	if (coro->flags & CF_RUNNING)	566	if (coro->flags & CF_RUNNING)
553	{	567	{
…		…
555	# include "state.h"	569	# include "state.h"
556	#undef VAR	570	#undef VAR
557	}	571	}
558		572
559	rss += sizeof (coro->curstackinfo);	573	rss += sizeof (coro->curstackinfo);
560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);	574	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
561	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	575	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
562	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	576	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
563	rss += coro->tmps_max * sizeof (SV *);	577	rss += coro->tmps_max * sizeof (SV *);
564	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	578	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
565	rss += coro->scopestack_max * sizeof (I32);	579	rss += coro->scopestack_max * sizeof (I32);
566	rss += coro->savestack_max * sizeof (ANY);	580	rss += coro->savestack_max * sizeof (ANY);
567		581
…		…
574	}	588	}
575		589
576	/ coroutine stack handling **********************************************/	590	/ coroutine stack handling **********************************************/
577		591
578	static void	592	static void
579	setup_coro (pTHX_ struct coro *coro)	593	coro_setup (pTHX_ struct coro *coro)
580	{	594	{
581	/*	595	/*
582	* emulate part of the perl startup here.	596	* emulate part of the perl startup here.
583	*/	597	*/
584	coro_init_stacks (aTHX);	598	coro_init_stacks (aTHX);
585		599
		600	PL_runops = RUNOPS_DEFAULT;
586	PL_curcop = &PL_compiling;	601	PL_curcop = &PL_compiling;
587	PL_in_eval = EVAL_NULL;	602	PL_in_eval = EVAL_NULL;
588	PL_comppad = 0;	603	PL_comppad = 0;
589	PL_curpm = 0;	604	PL_curpm = 0;
590	PL_localizing = 0;	605	PL_localizing = 0;
591	PL_dirty = 0;	606	PL_dirty = 0;
592	PL_restartop = 0;	607	PL_restartop = 0;
		608
		609	GvSV (PL_defgv) = NEWSV (0, 0);
		610	GvAV (PL_defgv) = coro->args; coro->args = 0;
		611	GvSV (PL_errgv) = NEWSV (0, 0);
		612	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		613	PL_rs = newSVsv (GvSV (irsgv));
		614	PL_defoutgv = SvREFCNT_inc (stdoutgv);
593		615
594	{	616	{
595	dSP;	617	dSP;
596	LOGOP myop;	618	LOGOP myop;
597
598	SvREFCNT_dec (GvAV (PL_defgv));
599	GvAV (PL_defgv) = coro->args; coro->args = 0;
600		619
601	Zero (&myop, 1, LOGOP);	620	Zero (&myop, 1, LOGOP);
602	myop.op_next = Nullop;	621	myop.op_next = Nullop;
603	myop.op_flags = OPf_WANT_VOID;	622	myop.op_flags = OPf_WANT_VOID;
604		623
…		…
612		631
613	ENTER; /* necessary e.g. for dounwind */	632	ENTER; /* necessary e.g. for dounwind */
614	}	633	}
615		634
616	static void	635	static void
		636	coro_destroy (pTHX_ struct coro *coro)
		637	{
		638	if (!IN_DESTRUCT)
		639	{
		640	/* restore all saved variables and stuff */
		641	LEAVE_SCOPE (0);
		642	assert (PL_tmps_floor == -1);
		643
		644	/* free all temporaries */
		645	FREETMPS;
		646	assert (PL_tmps_ix == -1);
		647
		648	/* unwind all extra stacks */
		649	POPSTACK_TO (PL_mainstack);
		650
		651	/* unwind main stack */
		652	dounwind (-1);
		653	}
		654
		655	SvREFCNT_dec (GvSV (PL_defgv));
		656	SvREFCNT_dec (GvAV (PL_defgv));
		657	SvREFCNT_dec (GvSV (PL_errgv));
		658	SvREFCNT_dec (PL_defoutgv);
		659	SvREFCNT_dec (PL_rs);
		660	SvREFCNT_dec (GvSV (irsgv));
		661
		662	SvREFCNT_dec (coro->saved_deffh);
		663	//SvREFCNT_dec (coro->throw);
		664
		665	coro_destroy_stacks (aTHX);
		666	}
		667
		668	static void
617	free_coro_mortal (pTHX)	669	free_coro_mortal (pTHX)
618	{	670	{
619	if (coro_mortal)	671	if (coro_mortal)
620	{	672	{
621	SvREFCNT_dec (coro_mortal);	673	SvREFCNT_dec (coro_mortal);
622	coro_mortal = 0;	674	coro_mortal = 0;
623	}	675	}
		676	}
		677
		678	static int
		679	runops_trace (pTHX)
		680	{
		681	COP *oldcop = 0;
		682	int oldcxix = -2;
		683	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		684	coro_cctx *cctx = coro->cctx;
		685
		686	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		687	{
		688	PERL_ASYNC_CHECK ();
		689
		690	if (cctx->flags & CC_TRACE_ALL)
		691	{
		692	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		693	{
		694	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		695	SV bot, top;
		696	AV av = newAV (); / return values */
		697	SV **cb;
		698	dSP;
		699
		700	GV *gv = CvGV (cx->blk_sub.cv);
		701	SV *fullname = sv_2mortal (newSV (0));
		702	if (isGV (gv))
		703	gv_efullname3 (fullname, gv, 0);
		704
		705	bot = PL_stack_base + cx->blk_oldsp + 1;
		706	top = cx->blk_gimme == G_ARRAY ? SP + 1
		707	: cx->blk_gimme == G_SCALAR ? bot + 1
		708	: bot;
		709
		710	while (bot < top)
		711	av_push (av, SvREFCNT_inc (*bot++));
		712
		713	PL_runops = RUNOPS_DEFAULT;
		714	ENTER;
		715	SAVETMPS;
		716	EXTEND (SP, 3);
		717	PUSHMARK (SP);
		718	PUSHs (&PL_sv_no);
		719	PUSHs (fullname);
		720	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		721	PUTBACK;
		722	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		723	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		724	SPAGAIN;
		725	FREETMPS;
		726	LEAVE;
		727	PL_runops = runops_trace;
		728	}
		729
		730	if (oldcop != PL_curcop)
		731	{
		732	oldcop = PL_curcop;
		733
		734	if (PL_curcop != &PL_compiling)
		735	{
		736	SV **cb;
		737
		738	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		739	{
		740	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		741
		742	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		743	{
		744	runops_proc_t old_runops = PL_runops;
		745	dSP;
		746	GV *gv = CvGV (cx->blk_sub.cv);
		747	SV *fullname = sv_2mortal (newSV (0));
		748
		749	if (isGV (gv))
		750	gv_efullname3 (fullname, gv, 0);
		751
		752	PL_runops = RUNOPS_DEFAULT;
		753	ENTER;
		754	SAVETMPS;
		755	EXTEND (SP, 3);
		756	PUSHMARK (SP);
		757	PUSHs (&PL_sv_yes);
		758	PUSHs (fullname);
		759	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		760	PUTBACK;
		761	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		762	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		763	SPAGAIN;
		764	FREETMPS;
		765	LEAVE;
		766	PL_runops = runops_trace;
		767	}
		768
		769	oldcxix = cxstack_ix;
		770	}
		771
		772	if (cctx->flags & CC_TRACE_LINE)
		773	{
		774	dSP;
		775
		776	PL_runops = RUNOPS_DEFAULT;
		777	ENTER;
		778	SAVETMPS;
		779	EXTEND (SP, 3);
		780	PL_runops = RUNOPS_DEFAULT;
		781	PUSHMARK (SP);
		782	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		783	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		784	PUTBACK;
		785	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		786	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		787	SPAGAIN;
		788	FREETMPS;
		789	LEAVE;
		790	PL_runops = runops_trace;
		791	}
		792	}
		793	}
		794	}
		795	}
		796
		797	TAINT_NOT;
		798	return 0;
624	}	799	}
625		800
626	/* inject a fake call to Coro::State::_cctx_init into the execution */	801	/* inject a fake call to Coro::State::_cctx_init into the execution */
627	/* _cctx_init should be careful, as it could be called at almost any time */	802	/* _cctx_init should be careful, as it could be called at almost any time */
628	/* during execution of a perl program */	803	/* during execution of a perl program */
629	static void NOINLINE	804	static void NOINLINE
630	prepare_cctx (pTHX_ coro_cctx *cctx)	805	prepare_cctx (pTHX_ coro_cctx *cctx)
631	{	806	{
632	dSP;	807	dSP;
633	LOGOP myop;	808	LOGOP myop;
		809
		810	PL_top_env = &PL_start_env;
		811
		812	if (cctx->flags & CC_TRACE)
		813	PL_runops = runops_trace;
634		814
635	Zero (&myop, 1, LOGOP);	815	Zero (&myop, 1, LOGOP);
636	myop.op_next = PL_op;	816	myop.op_next = PL_op;
637	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	817	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
638		818
…		…
655	dTHX;	835	dTHX;
656		836
657	/* coro_run is the alternative tail of transfer(), so unlock here. */	837	/* coro_run is the alternative tail of transfer(), so unlock here. */
658	UNLOCK;	838	UNLOCK;
659		839
660	PL_top_env = &PL_start_env;	840	/* we now skip the entersub that lead to transfer() */
		841	PL_op = PL_op->op_next;
661		842
662	/* inject a fake subroutine call to cctx_init */	843	/* inject a fake subroutine call to cctx_init */
663	prepare_cctx (aTHX_ (coro_cctx *)arg);	844	prepare_cctx (aTHX_ (coro_cctx *)arg);
664		845
665	/* somebody or something will hit me for both perl_run and PL_restartop */	846	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
699	# if CORO_STACKGUARD	880	# if CORO_STACKGUARD
700	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	881	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
701	# endif	882	# endif
702	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	883	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
703	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	884	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
704	cctx->mapped = 1;	885	cctx->flags \|= CC_MAPPED;
705	}	886	}
706	else	887	else
707	#endif	888	#endif
708	{	889	{
709	cctx->ssize = coro_stacksize * (long)sizeof (long);	890	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
736	#if CORO_USE_VALGRIND	917	#if CORO_USE_VALGRIND
737	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	918	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
738	#endif	919	#endif
739		920
740	#if HAVE_MMAP	921	#if HAVE_MMAP
741	if (cctx->mapped)	922	if (cctx->flags & CC_MAPPED)
742	munmap (cctx->sptr, cctx->ssize);	923	munmap (cctx->sptr, cctx->ssize);
743	else	924	else
744	#endif	925	#endif
745	Safefree (cctx->sptr);	926	Safefree (cctx->sptr);
746		927
…		…
754	{	935	{
755	coro_cctx *cctx = cctx_first;	936	coro_cctx *cctx = cctx_first;
756	cctx_first = cctx->next;	937	cctx_first = cctx->next;
757	--cctx_idle;	938	--cctx_idle;
758		939
759	if (cctx->ssize >= coro_stacksize)	940	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
760	return cctx;	941	return cctx;
761		942
762	cctx_destroy (cctx);	943	cctx_destroy (cctx);
763	}	944	}
764		945
765	PL_op = PL_op->op_next;
766	return cctx_new ();	946	return cctx_new ();
767	}	947	}
768		948
769	static void	949	static void
770	cctx_put (coro_cctx *cctx)	950	cctx_put (coro_cctx *cctx)
…		…
774	{	954	{
775	coro_cctx *first = cctx_first;	955	coro_cctx *first = cctx_first;
776	cctx_first = first->next;	956	cctx_first = first->next;
777	--cctx_idle;	957	--cctx_idle;
778		958
779	assert (!first->inuse);
780	cctx_destroy (first);	959	cctx_destroy (first);
781	}	960	}
782		961
783	++cctx_idle;	962	++cctx_idle;
784	cctx->next = cctx_first;	963	cctx->next = cctx_first;
785	cctx_first = cctx;	964	cctx_first = cctx;
786	}	965	}
787		966
788	/ coroutine switching ***************************************************/	967	/ coroutine switching ***************************************************/
789		968
790	/* never call directly, always through the coro_state_transfer global variable */	969	static void NOINLINE
		970	transfer_check (pTHX_ struct coro prev, struct coro next)
		971	{
		972	if (prev != next)
		973	{
		974	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		975	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		976
		977	if (next->flags & CF_RUNNING)
		978	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		979
		980	if (next->flags & CF_DESTROYED)
		981	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		982
		983	if (PL_lex_state != LEX_NOTPARSING)
		984	croak ("Coro::State::transfer called while parsing, but this is not supported");
		985	}
		986	}
		987
		988	/* always use the TRANSFER macro */
791	static void NOINLINE	989	static void NOINLINE
792	transfer (pTHX_ struct coro prev, struct coro next)	990	transfer (pTHX_ struct coro prev, struct coro next)
793	{	991	{
794	dSTACKLEVEL;	992	dSTACKLEVEL;
795		993
…		…
805		1003
806	if (prev->flags & CF_NEW)	1004	if (prev->flags & CF_NEW)
807	{	1005	{
808	/* create a new empty context */	1006	/* create a new empty context */
809	Newz (0, prev->cctx, 1, coro_cctx);	1007	Newz (0, prev->cctx, 1, coro_cctx);
810	prev->cctx->inuse = 1;
811	prev->flags &= ~CF_NEW;	1008	prev->flags &= ~CF_NEW;
812	prev->flags \|= CF_RUNNING;	1009	prev->flags \|= CF_RUNNING;
813	}	1010	}
814
815	/TODO: must not croak here /
816	if (!prev->flags & CF_RUNNING)
817	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
818
819	if (next->flags & CF_RUNNING)
820	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
821
822	if (next->flags & CF_DESTROYED)
823	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
824		1011
825	prev->flags &= ~CF_RUNNING;	1012	prev->flags &= ~CF_RUNNING;
826	next->flags \|= CF_RUNNING;	1013	next->flags \|= CF_RUNNING;
827		1014
828	LOCK;	1015	LOCK;
…		…
832	/* need to start coroutine */	1019	/* need to start coroutine */
833	next->flags &= ~CF_NEW;	1020	next->flags &= ~CF_NEW;
834	/* first get rid of the old state */	1021	/* first get rid of the old state */
835	save_perl (aTHX_ prev);	1022	save_perl (aTHX_ prev);
836	/* setup coroutine call */	1023	/* setup coroutine call */
837	setup_coro (aTHX_ next);	1024	coro_setup (aTHX_ next);
838	/* need a new stack */
839	assert (!next->cctx);
840	}	1025	}
841	else	1026	else
842	{	1027	{
843	/* coroutine already started */	1028	/* coroutine already started */
844	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
…		…
846	}	1031	}
847		1032
848	prev__cctx = prev->cctx;	1033	prev__cctx = prev->cctx;
849		1034
850	/* possibly "free" the cctx */	1035	/* possibly "free" the cctx */
851	if (prev__cctx->idle_sp == STACKLEVEL)	1036	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
852	{	1037	{
853	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1038	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
854	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1039	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
855		1040
856	prev->cctx = 0;	1041	prev->cctx = 0;
857		1042
858	cctx_put (prev__cctx);	1043	cctx_put (prev__cctx);
859	prev__cctx->inuse = 0;
860	}	1044	}
861		1045
		1046	++next->usecount;
		1047
862	if (!next->cctx)	1048	if (!next->cctx)
863	{
864	next->cctx = cctx_get (aTHX);	1049	next->cctx = cctx_get (aTHX);
865	assert (!next->cctx->inuse);
866	next->cctx->inuse = 1;
867	}
868		1050
869	if (prev__cctx != next->cctx)	1051	if (prev__cctx != next->cctx)
870	{	1052	{
871	prev__cctx->top_env = PL_top_env;	1053	prev__cctx->top_env = PL_top_env;
872	PL_top_env = next->cctx->top_env;	1054	PL_top_env = next->cctx->top_env;
…		…
882	{	1064	{
883	struct coro prev, next;	1065	struct coro prev, next;
884	};	1066	};
885		1067
886	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1068	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1069	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
887		1070
888	/ high level stuff ******************************************************/	1071	/ high level stuff ******************************************************/
889		1072
890	static int	1073	static int
891	coro_state_destroy (pTHX_ struct coro *coro)	1074	coro_state_destroy (pTHX_ struct coro *coro)
…		…
908		1091
909	if (coro->mainstack && coro->mainstack != main_mainstack)	1092	if (coro->mainstack && coro->mainstack != main_mainstack)
910	{	1093	{
911	struct coro temp;	1094	struct coro temp;
912		1095
913	assert (!(coro->flags & CF_RUNNING));
914
915	Zero (&temp, 1, struct coro);
916	temp.save = CORO_SAVE_ALL;
917
918	if (coro->flags & CF_RUNNING)	1096	if (coro->flags & CF_RUNNING)
919	croak ("FATAL: tried to destroy currently running coroutine");	1097	croak ("FATAL: tried to destroy currently running coroutine");
920		1098
921	save_perl (aTHX_ &temp);	1099	save_perl (aTHX_ &temp);
922	load_perl (aTHX_ coro);	1100	load_perl (aTHX_ coro);
923		1101
924	coro_destroy_stacks (aTHX);	1102	coro_destroy (aTHX_ coro);
925		1103
926	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1104	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
927		1105
928	coro->mainstack = 0;	1106	coro->mainstack = 0;
929	}	1107	}
…		…
974	#else	1152	#else
975	# define MGf_DUP 0	1153	# define MGf_DUP 0
976	#endif	1154	#endif
977	};	1155	};
978		1156
979	static struct coro *
980	SvSTATE_ (pTHX_ SV *coro)
981	{
982	HV *stash;
983	MAGIC *mg;
984
985	if (SvROK (coro))
986	coro = SvRV (coro);
987
988	stash = SvSTASH (coro);
989	if (stash != coro_stash && stash != coro_state_stash)
990	{
991	/* very slow, but rare, check */
992	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
993	croak ("Coro::State object required");
994	}
995
996	mg = CORO_MAGIC (coro);
997	return (struct coro *)mg->mg_ptr;
998	}
999
1000	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1001
1002	static void	1157	static void
1003	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1158	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1004	{	1159	{
1005	ta->prev = SvSTATE (prev_sv);	1160	ta->prev = SvSTATE (prev_sv);
1006	ta->next = SvSTATE (next_sv);	1161	ta->next = SvSTATE (next_sv);
		1162	TRANSFER_CHECK (*ta);
1007	}	1163	}
1008		1164
1009	static void	1165	static void
1010	api_transfer (SV prev_sv, SV next_sv)	1166	api_transfer (SV prev_sv, SV next_sv)
1011	{	1167	{
1012	dTHX;	1168	dTHX;
1013	struct transfer_args ta;	1169	struct transfer_args ta;
1014		1170
1015	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1171	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1016	TRANSFER (ta);	1172	TRANSFER (ta);
1017	}
1018
1019	static int
1020	api_save (SV *coro_sv, int new_save)
1021	{
1022	dTHX;
1023	struct coro *coro = SvSTATE (coro_sv);
1024	int old_save = coro->save;
1025
1026	if (new_save >= 0)
1027	coro->save = new_save;
1028
1029	return old_save;
1030	}	1173	}
1031		1174
1032	/ Coro ******************************************************************/	1175	/ Coro ******************************************************************/
1033		1176
1034	static void	1177	static void
…		…
1128	break;	1271	break;
1129	}	1272	}
1130		1273
1131	/* free this only after the transfer */	1274	/* free this only after the transfer */
1132	prev_sv = SvRV (coro_current);	1275	prev_sv = SvRV (coro_current);
1133	SvRV_set (coro_current, next_sv);
1134	ta->prev = SvSTATE (prev_sv);	1276	ta->prev = SvSTATE (prev_sv);
1135		1277	TRANSFER_CHECK (*ta);
1136	assert (ta->next->flags & CF_READY);	1278	assert (ta->next->flags & CF_READY);
1137	ta->next->flags &= ~CF_READY;	1279	ta->next->flags &= ~CF_READY;
		1280	SvRV_set (coro_current, next_sv);
1138		1281
1139	LOCK;	1282	LOCK;
1140	free_coro_mortal (aTHX);	1283	free_coro_mortal (aTHX);
1141	coro_mortal = prev_sv;	1284	coro_mortal = prev_sv;
1142	UNLOCK;	1285	UNLOCK;
…		…
1203	}	1346	}
1204	else	1347	else
1205	return 0;	1348	return 0;
1206	}	1349	}
1207		1350
		1351	static void
		1352	api_trace (SV *coro_sv, int flags)
		1353	{
		1354	dTHX;
		1355	struct coro *coro = SvSTATE (coro_sv);
		1356
		1357	if (flags & CC_TRACE)
		1358	{
		1359	if (!coro->cctx)
		1360	coro->cctx = cctx_new ();
		1361	else if (!(coro->cctx->flags & CC_TRACE))
		1362	croak ("cannot enable tracing on coroutine with custom stack");
		1363
		1364	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1365	}
		1366	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1367	{
		1368	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1369
		1370	if (coro->flags & CF_RUNNING)
		1371	PL_runops = RUNOPS_DEFAULT;
		1372	else
		1373	coro->runops = RUNOPS_DEFAULT;
		1374	}
		1375	}
		1376
1208	MODULE = Coro::State PACKAGE = Coro::State	1377	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1209		1378
1210	PROTOTYPES: DISABLE	1379	PROTOTYPES: DISABLE
1211		1380
1212	BOOT:	1381	BOOT:
1213	{	1382	{
1214	#ifdef USE_ITHREADS	1383	#ifdef USE_ITHREADS
1215	MUTEX_INIT (&coro_mutex);	1384	MUTEX_INIT (&coro_mutex);
1216	#endif	1385	#endif
1217	BOOT_PAGESIZE;	1386	BOOT_PAGESIZE;
1218		1387
		1388	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1389	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1390
1219	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1391	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1220		1392
1221	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1393	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1222	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1394	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1223	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1224	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1225	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1226	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1395	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1227	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1396	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1228		1397
1229	main_mainstack = PL_mainstack;	1398	main_mainstack = PL_mainstack;
1230	main_top_env = PL_top_env;	1399	main_top_env = PL_top_env;
1231		1400
1232	while (main_top_env->je_prev)	1401	while (main_top_env->je_prev)
…		…
1245	struct coro *coro;	1414	struct coro *coro;
1246	HV *hv;	1415	HV *hv;
1247	int i;	1416	int i;
1248		1417
1249	Newz (0, coro, 1, struct coro);	1418	Newz (0, coro, 1, struct coro);
1250	coro->args = newAV ();	1419	coro->args = newAV ();
1251	coro->save = CORO_SAVE_DEF;
1252	coro->flags = CF_NEW;	1420	coro->flags = CF_NEW;
1253		1421
1254	if (coro_first) coro_first->prev = coro;	1422	if (coro_first) coro_first->prev = coro;
1255	coro->next = coro_first;	1423	coro->next = coro_first;
1256	coro_first = coro;	1424	coro_first = coro;
…		…
1263	av_push (coro->args, newSVsv (ST (i)));	1431	av_push (coro->args, newSVsv (ST (i)));
1264	}	1432	}
1265	OUTPUT:	1433	OUTPUT:
1266	RETVAL	1434	RETVAL
1267		1435
1268	int	1436	# these not obviously related functions are all rolled into the same xs
1269	save (SV *coro, int new_save = -1)	1437	# function to increase chances that they all will call transfer with the same
1270	CODE:	1438	# stack offset
1271	RETVAL = api_save (coro, new_save);
1272	OUTPUT:
1273	RETVAL
1274
1275	int
1276	save_also (SV *coro_sv, int save_also)
1277	CODE:
1278	{
1279	struct coro *coro = SvSTATE (coro_sv);
1280	RETVAL = coro->save;
1281	coro->save \|= save_also;
1282	}
1283	OUTPUT:
1284	RETVAL
1285
1286	void	1439	void
1287	_set_stacklevel (...)	1440	_set_stacklevel (...)
1288	ALIAS:	1441	ALIAS:
1289	Coro::State::transfer = 1	1442	Coro::State::transfer = 1
1290	Coro::schedule = 2	1443	Coro::schedule = 2
…		…
1376	if (coro->hv)	1529	if (coro->hv)
1377	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1530	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378	}	1531	}
1379		1532
1380	void	1533	void
1381	_eval (Coro::State coro, SV *coderef)	1534	call (Coro::State coro, SV *coderef)
		1535	ALIAS:
		1536	eval = 1
1382	CODE:	1537	CODE:
1383	{	1538	{
1384	if (coro->mainstack)	1539	if (coro->mainstack)
1385	{	1540	{
1386	struct coro temp;	1541	struct coro temp;
1387	Zero (&temp, 1, struct coro);	1542	Zero (&temp, 1, struct coro);
1388	temp.save = CORO_SAVE_ALL;
1389		1543
1390	if (!(coro->flags & CF_RUNNING))	1544	if (!(coro->flags & CF_RUNNING))
1391	{	1545	{
1392	save_perl (aTHX_ &temp);	1546	save_perl (aTHX_ &temp);
1393	load_perl (aTHX_ coro);	1547	load_perl (aTHX_ coro);
…		…
1397	dSP;	1551	dSP;
1398	ENTER;	1552	ENTER;
1399	SAVETMPS;	1553	SAVETMPS;
1400	PUSHMARK (SP);	1554	PUSHMARK (SP);
1401	PUTBACK;	1555	PUTBACK;
		1556	if (ix)
		1557	eval_sv (coderef, 0);
		1558	else
1402	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1559	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1403	SPAGAIN;	1560	SPAGAIN;
1404	FREETMPS;	1561	FREETMPS;
1405	LEAVE;	1562	LEAVE;
1406	PUTBACK;	1563	PUTBACK;
1407	}	1564	}
…		…
1411	save_perl (aTHX_ coro);	1568	save_perl (aTHX_ coro);
1412	load_perl (aTHX_ &temp);	1569	load_perl (aTHX_ &temp);
1413	}	1570	}
1414	}	1571	}
1415	}	1572	}
1416		1573
1417	SV *	1574	SV *
1418	is_ready (Coro::State coro)	1575	is_ready (Coro::State coro)
1419	PROTOTYPE: $	1576	PROTOTYPE: $
1420	ALIAS:	1577	ALIAS:
1421	is_ready = CF_READY	1578	is_ready = CF_READY
…		…
1425	CODE:	1582	CODE:
1426	RETVAL = boolSV (coro->flags & ix);	1583	RETVAL = boolSV (coro->flags & ix);
1427	OUTPUT:	1584	OUTPUT:
1428	RETVAL	1585	RETVAL
1429		1586
		1587	void
		1588	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1589
		1590	SV *
		1591	has_stack (Coro::State coro)
		1592	PROTOTYPE: $
		1593	CODE:
		1594	RETVAL = boolSV (!!coro->cctx);
		1595	OUTPUT:
		1596	RETVAL
		1597
		1598	int
		1599	is_traced (Coro::State coro)
		1600	PROTOTYPE: $
		1601	CODE:
		1602	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1603	OUTPUT:
		1604	RETVAL
		1605
1430	IV	1606	IV
1431	rss (Coro::State coro)	1607	rss (Coro::State coro)
1432	PROTOTYPE: $	1608	PROTOTYPE: $
		1609	ALIAS:
		1610	usecount = 1
1433	CODE:	1611	CODE:
1434	RETVAL = coro_rss (coro);	1612	switch (ix)
		1613	{
		1614	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1615	case 1: RETVAL = coro->usecount; break;
		1616	}
1435	OUTPUT:	1617	OUTPUT:
1436	RETVAL	1618	RETVAL
1437		1619
1438		1620
1439	MODULE = Coro::State PACKAGE = Coro	1621	MODULE = Coro::State PACKAGE = Coro
1440		1622
1441	BOOT:	1623	BOOT:
1442	{	1624	{
1443	int i;	1625	int i;
		1626
		1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1629	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1630
		1631	coro_current = get_sv ("Coro::current", FALSE);
		1632	SvREADONLY_on (coro_current);
1444		1633
1445	coro_stash = gv_stashpv ("Coro", TRUE);	1634	coro_stash = gv_stashpv ("Coro", TRUE);
1446		1635
1447	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1448	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1637	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1449	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1638	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1450	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1639	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1451	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1640	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1452	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1641	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1453		1642
1454	coro_current = get_sv ("Coro::current", FALSE);
1455	SvREADONLY_on (coro_current);
1456
1457	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1643	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1458	coro_ready[i] = newAV ();	1644	coro_ready[i] = newAV ();
1459		1645
1460	{	1646	{
1461	SV *sv = perl_get_sv("Coro::API", 1);	1647	SV *sv = perl_get_sv("Coro::API", 1);
1462		1648
1463	coroapi.schedule = api_schedule;	1649	coroapi.schedule = api_schedule;
1464	coroapi.save = api_save;
1465	coroapi.cede = api_cede;	1650	coroapi.cede = api_cede;
1466	coroapi.cede_notself = api_cede_notself;	1651	coroapi.cede_notself = api_cede_notself;
1467	coroapi.ready = api_ready;	1652	coroapi.ready = api_ready;
1468	coroapi.is_ready = api_is_ready;	1653	coroapi.is_ready = api_is_ready;
1469	coroapi.nready = &coro_nready;	1654	coroapi.nready = &coro_nready;
…		…
1518	CODE:	1703	CODE:
1519	RETVAL = coro_nready;	1704	RETVAL = coro_nready;
1520	OUTPUT:	1705	OUTPUT:
1521	RETVAL	1706	RETVAL
1522		1707
		1708	# for async_pool speedup
		1709	void
		1710	_pool_1 (SV *cb)
		1711	CODE:
		1712	{
		1713	struct coro *coro = SvSTATE (coro_current);
		1714	HV hv = (HV )SvRV (coro_current);
		1715	AV *defav = GvAV (PL_defgv);
		1716	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1717	AV *invoke_av;
		1718	int i, len;
		1719
		1720	if (!invoke)
		1721	croak ("\3terminate\2\n");
		1722
		1723	SvREFCNT_dec (coro->saved_deffh);
		1724	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1725
		1726	hv_store (hv, "desc", sizeof ("desc") - 1,
		1727	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1728
		1729	invoke_av = (AV *)SvRV (invoke);
		1730	len = av_len (invoke_av);
		1731
		1732	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1733
		1734	if (len > 0)
		1735	{
		1736	av_fill (defav, len - 1);
		1737	for (i = 0; i < len; ++i)
		1738	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1739	}
		1740
		1741	SvREFCNT_dec (invoke);
		1742	}
		1743
		1744	void
		1745	_pool_2 (SV *cb)
		1746	CODE:
		1747	{
		1748	struct coro *coro = SvSTATE (coro_current);
		1749
		1750	sv_setsv (cb, &PL_sv_undef);
		1751
		1752	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1753	coro->saved_deffh = 0;
		1754
		1755	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1756	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1757	croak ("\3terminate\2\n");
		1758
		1759	av_clear (GvAV (PL_defgv));
		1760	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1761	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1762
		1763	coro->prio = 0;
		1764
		1765	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1766	api_trace (coro_current, 0);
		1767
		1768	av_push (av_async_pool, newSVsv (coro_current));
		1769	}
		1770
		1771
1523	MODULE = Coro::State PACKAGE = Coro::AIO	1772	MODULE = Coro::State PACKAGE = Coro::AIO
1524		1773
1525	SV *	1774	SV *
1526	_get_state ()	1775	_get_state ()
1527	CODE:	1776	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.155 by root, Fri Sep 21 01:09:36 2007 UTC vs. Revision 1.190 by root, Fri Oct 5 20:39:39 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.155 by root, Fri Sep 21 01:09:36 2007 UTC vs.
Revision 1.190 by root, Fri Oct 5 20:39:39 2007 UTC