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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.154 by root, Fri Sep 21 01:08:06 2007 UTC vs.
Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC

…		…
88	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
89	#ifndef CORO_PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
90	# define CORO_PREFER_PERL_FUNCTIONS 0	90	# define CORO_PREFER_PERL_FUNCTIONS 0
91	#endif	91	#endif
92		92
93	/* The next macro should declare a variable stacklevel that contains and approximation	93	/* 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	94	* portable way as possible. */
95	* and should be unique. */
96	#define dSTACKLEVEL int stacklevel	95	#define dSTACKLEVEL volatile char stacklevel
97	#define STACKLEVEL ((void *)&stacklevel)	96	#define STACKLEVEL ((void *)&stacklevel)
98		97
99	#define IN_DESTRUCT (PL_main_cv == Nullcv)	98	#define IN_DESTRUCT (PL_main_cv == Nullcv)
100		99
101	#if __GNUC__ >= 3	100	#if __GNUC__ >= 3
…		…
133	static AV main_mainstack; / used to differentiate between $main and others */	132	static AV main_mainstack; / used to differentiate between $main and others */
134	static JMPENV *main_top_env;	133	static JMPENV *main_top_env;
135	static HV coro_state_stash, coro_stash;	134	static HV coro_state_stash, coro_stash;
136	static SV coro_mortal; / will be freed after next transfer */	135	static SV coro_mortal; / will be freed after next transfer */
137		136
		137	static GV irsgv; / $/ */
		138
		139	/* async_pool helper stuff */
		140	static SV *sv_pool_rss;
		141	static SV *sv_pool_size;
		142	static AV *av_async_pool;
		143
138	static struct coro_cctx *cctx_first;	144	static struct coro_cctx *cctx_first;
139	static int cctx_count, cctx_idle;	145	static int cctx_count, cctx_idle;
		146
		147	enum {
		148	CC_MAPPED = 0x01,
		149	CC_NOREUSE = 0x02, /* throw this away after tracing */
		150	CC_TRACE = 0x04,
		151	CC_TRACE_SUB = 0x08, /* trace sub calls */
		152	CC_TRACE_LINE = 0x10, /* trace each statement */
		153	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		154	};
140		155
141	/* this is a structure representing a c-level coroutine */	156	/* this is a structure representing a c-level coroutine */
142	typedef struct coro_cctx {	157	typedef struct coro_cctx {
143	struct coro_cctx *next;	158	struct coro_cctx *next;
144		159
…		…
153	coro_context cctx;	168	coro_context cctx;
154		169
155	#if CORO_USE_VALGRIND	170	#if CORO_USE_VALGRIND
156	int valgrind_id;	171	int valgrind_id;
157	#endif	172	#endif
158	char inuse, mapped;	173	unsigned char flags;
159	} coro_cctx;	174	} coro_cctx;
160		175
161	enum {	176	enum {
162	CF_RUNNING = 0x0001, /* coroutine is running */	177	CF_RUNNING = 0x0001, /* coroutine is running */
163	CF_READY = 0x0002, /* coroutine is ready */	178	CF_READY = 0x0002, /* coroutine is ready */
…		…
171	coro_cctx *cctx;	186	coro_cctx *cctx;
172		187
173	/* data associated with this coroutine (initial args) */	188	/* data associated with this coroutine (initial args) */
174	AV *args;	189	AV *args;
175	int refcnt;	190	int refcnt;
176	int save; /* CORO_SAVE flags */
177	int flags; /* CF_ flags */	191	int flags; /* CF_ flags */
178		192
179	/* optionally saved, might be zero */	193	/* optionally saved, might be zero */
180	AV defav; / @_ */	194	AV defav; / @_ */
181	SV defsv; / $_ */	195	SV defsv; / $_ */
182	SV errsv; / $@ */	196	SV errsv; / $@ */
183	GV deffh; / default filehandle */	197	SV deffh; / default filehandle */
184	SV irssv; / $/ */	198	SV irssv; / $/ */
185	SV irssv_sv; / real $/ cache */	199	SV irssv_sv; / real $/ cache */
186		200
187	#define VAR(name,type) type name;	201	#define VAR(name,type) type name;
188	# include "state.h"	202	# include "state.h"
189	#undef VAR	203	#undef VAR
190		204
		205	/* statistics */
		206	int usecount; /* number of transfers to this coro */
		207
191	/* coro process data */	208	/* coro process data */
192	int prio;	209	int prio;
		210	//SV *throw;
		211
		212	/* async_pool */
		213	SV *saved_deffh;
193		214
194	/* linked list */	215	/* linked list */
195	struct coro next, prev;	216	struct coro next, prev;
196	HV hv; / the perl hash associated with this coro, if any */	217	HV hv; / the perl hash associated with this coro, if any */
197	};	218	};
…		…
285	SvMAGIC (cv) \	306	SvMAGIC (cv) \
286	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	307	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287	? SvMAGIC (cv) \	308	? SvMAGIC (cv) \
288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	309	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
289	: 0	310	: 0
		311
		312	static struct coro *
		313	SvSTATE_ (pTHX_ SV *coro)
		314	{
		315	HV *stash;
		316	MAGIC *mg;
		317
		318	if (SvROK (coro))
		319	coro = SvRV (coro);
		320
		321	if (SvTYPE (coro) != SVt_PVHV)
		322	croak ("Coro::State object required");
		323
		324	stash = SvSTASH (coro);
		325	if (stash != coro_stash && stash != coro_state_stash)
		326	{
		327	/* very slow, but rare, check */
		328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		329	croak ("Coro::State object required");
		330	}
		331
		332	mg = CORO_MAGIC (coro);
		333	return (struct coro *)mg->mg_ptr;
		334	}
		335
		336	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290		337
291	/* the next two functions merely cache the padlists */	338	/* the next two functions merely cache the padlists */
292	static void	339	static void
293	get_padlist (pTHX_ CV *cv)	340	get_padlist (pTHX_ CV *cv)
294	{	341	{
…		…
333	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334	}	381	}
335		382
336	/ load & save, init *****************************************************/	383	/ load & save, init *****************************************************/
337		384
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	385	static void
344	load_perl (pTHX_ Coro__State c)	386	load_perl (pTHX_ Coro__State c)
345	{	387	{
346	#define VAR(name,type) PL_ ## name = c->name;	388	#define VAR(name,type) PL_ ## name = c->name;
347	# include "state.h"	389	# include "state.h"
348	#undef VAR	390	#undef VAR
349		391
350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	392	GvSV (PL_defgv) = c->defsv;
351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	393	GvAV (PL_defgv) = c->defav;
352	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	394	GvSV (PL_errgv) = c->errsv;
353	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	395	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		396
370	{	397	{
371	dSP;	398	dSP;
372	CV *cv;	399	CV *cv;
373		400
…		…
395	/*	422	/*
396	* the worst thing you can imagine happens first - we have to save	423	* the worst thing you can imagine happens first - we have to save
397	* (and reinitialize) all cv's in the whole callchain :(	424	* (and reinitialize) all cv's in the whole callchain :(
398	*/	425	*/
399		426
400	EXTEND (SP, 3 + 1);
401	PUSHs (Nullsv);	427	XPUSHs (Nullsv);
402	/* this loop was inspired by pp_caller */	428	/* this loop was inspired by pp_caller */
403	for (;;)	429	for (;;)
404	{	430	{
405	while (cxix >= 0)	431	while (cxix >= 0)
406	{	432	{
…		…
425		451
426	if (top_si->si_type == PERLSI_MAIN)	452	if (top_si->si_type == PERLSI_MAIN)
427	break;	453	break;
428		454
429	top_si = top_si->si_prev;	455	top_si = top_si->si_prev;
430	ccstk = top_si->si_cxstack;	456	ccstk = top_si->si_cxstack;
431	cxix = top_si->si_cxix;	457	cxix = top_si->si_cxix;
432	}	458	}
433		459
434	PUTBACK;	460	PUTBACK;
435	}	461	}
436		462
437	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	463	c->defav = GvAV (PL_defgv);
438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	464	c->defsv = DEFSV;
439	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	465	c->errsv = ERRSV;
440	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	466	c->irssv_sv = GvSV (irsgv);
441	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
442		467
443	#define VAR(name,type)c->name = PL_ ## name;	468	#define VAR(name,type)c->name = PL_ ## name;
444	# include "state.h"	469	# include "state.h"
445	#undef VAR	470	#undef VAR
446	}	471	}
…		…
455	# define coro_init_stacks init_stacks	480	# define coro_init_stacks init_stacks
456	#else	481	#else
457	static void	482	static void
458	coro_init_stacks (pTHX)	483	coro_init_stacks (pTHX)
459	{	484	{
460	PL_curstackinfo = new_stackinfo(64, 4);	485	PL_curstackinfo = new_stackinfo(64, 6);
461	PL_curstackinfo->si_type = PERLSI_MAIN;	486	PL_curstackinfo->si_type = PERLSI_MAIN;
462	PL_curstack = PL_curstackinfo->si_stack;	487	PL_curstack = PL_curstackinfo->si_stack;
463	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	488	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
464		489
465	PL_stack_base = AvARRAY(PL_curstack);	490	PL_stack_base = AvARRAY(PL_curstack);
…		…
481		506
482	New(54,PL_scopestack,16,I32);	507	New(54,PL_scopestack,16,I32);
483	PL_scopestack_ix = 0;	508	PL_scopestack_ix = 0;
484	PL_scopestack_max = 16;	509	PL_scopestack_max = 16;
485		510
486	New(54,PL_savestack,32,ANY);	511	New(54,PL_savestack,64,ANY);
487	PL_savestack_ix = 0;	512	PL_savestack_ix = 0;
488	PL_savestack_max = 32;	513	PL_savestack_max = 64;
489		514
490	#if !PERL_VERSION_ATLEAST (5,9,0)	515	#if !PERL_VERSION_ATLEAST (5,9,0)
491	New(54,PL_retstack,8,OP*);	516	New(54,PL_retstack,4,OP*);
492	PL_retstack_ix = 0;	517	PL_retstack_ix = 0;
493	PL_retstack_max = 8;	518	PL_retstack_max = 4;
494	#endif	519	#endif
495	}	520	}
496	#endif	521	#endif
497		522
498	/*	523	/*
499	* destroy the stacks, the callchain etc...	524	* destroy the stacks, the callchain etc...
500	*/	525	*/
501	static void	526	static void
502	coro_destroy_stacks (pTHX)	527	coro_destroy_stacks (pTHX)
503	{	528	{
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)	529	while (PL_curstackinfo->si_next)
522	PL_curstackinfo = PL_curstackinfo->si_next;	530	PL_curstackinfo = PL_curstackinfo->si_next;
523		531
524	while (PL_curstackinfo)	532	while (PL_curstackinfo)
525	{	533	{
…		…
541	Safefree (PL_retstack);	549	Safefree (PL_retstack);
542	#endif	550	#endif
543	}	551	}
544		552
545	static size_t	553	static size_t
546	coro_rss (struct coro *coro)	554	coro_rss (pTHX_ struct coro *coro)
547	{	555	{
548	size_t rss = sizeof (coro);	556	size_t rss = sizeof (*coro);
549		557
550	if (coro->mainstack)	558	if (coro->mainstack)
551	{	559	{
552	if (coro->flags & CF_RUNNING)	560	if (coro->flags & CF_RUNNING)
553	{	561	{
…		…
555	# include "state.h"	563	# include "state.h"
556	#undef VAR	564	#undef VAR
557	}	565	}
558		566
559	rss += sizeof (coro->curstackinfo);	567	rss += sizeof (coro->curstackinfo);
560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);	568	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
561	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	569	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
562	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	570	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
563	rss += coro->tmps_max * sizeof (SV *);	571	rss += coro->tmps_max * sizeof (SV *);
564	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
565	rss += coro->scopestack_max * sizeof (I32);	573	rss += coro->scopestack_max * sizeof (I32);
566	rss += coro->savestack_max * sizeof (ANY);	574	rss += coro->savestack_max * sizeof (ANY);
567		575
…		…
574	}	582	}
575		583
576	/ coroutine stack handling **********************************************/	584	/ coroutine stack handling **********************************************/
577		585
578	static void	586	static void
579	setup_coro (pTHX_ struct coro *coro)	587	coro_setup (pTHX_ struct coro *coro)
580	{	588	{
581	/*	589	/*
582	* emulate part of the perl startup here.	590	* emulate part of the perl startup here.
583	*/	591	*/
584	coro_init_stacks (aTHX);	592	coro_init_stacks (aTHX);
585		593
		594	PL_runops = RUNOPS_DEFAULT;
586	PL_curcop = &PL_compiling;	595	PL_curcop = &PL_compiling;
587	PL_in_eval = EVAL_NULL;	596	PL_in_eval = EVAL_NULL;
588	PL_comppad = 0;	597	PL_comppad = 0;
589	PL_curpm = 0;	598	PL_curpm = 0;
590	PL_localizing = 0;	599	PL_localizing = 0;
591	PL_dirty = 0;	600	PL_dirty = 0;
592	PL_restartop = 0;	601	PL_restartop = 0;
		602
		603	GvSV (PL_defgv) = NEWSV (0, 0);
		604	GvAV (PL_defgv) = coro->args; coro->args = 0;
		605	GvSV (PL_errgv) = NEWSV (0, 0);
		606	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		607	PL_rs = newSVsv (GvSV (irsgv));
		608
		609	{
		610	IO *io = newIO ();
		611	PL_defoutgv = (GV *)NEWSV (0, 0);
		612	gv_init (PL_defoutgv, coro_state_stash, "stdout", sizeof ("stdout") - 1, 0);
		613	IoTYPE (io) = IoTYPE_WRONLY;
		614	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
		615	IoFLAGS (io) \|= IOf_FLUSH;
		616	GvIOp (PL_defoutgv) = io;
		617	}
593		618
594	{	619	{
595	dSP;	620	dSP;
596	LOGOP myop;	621	LOGOP myop;
597
598	SvREFCNT_dec (GvAV (PL_defgv));
599	GvAV (PL_defgv) = coro->args; coro->args = 0;
600		622
601	Zero (&myop, 1, LOGOP);	623	Zero (&myop, 1, LOGOP);
602	myop.op_next = Nullop;	624	myop.op_next = Nullop;
603	myop.op_flags = OPf_WANT_VOID;	625	myop.op_flags = OPf_WANT_VOID;
604		626
…		…
612		634
613	ENTER; /* necessary e.g. for dounwind */	635	ENTER; /* necessary e.g. for dounwind */
614	}	636	}
615		637
616	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
617	free_coro_mortal (pTHX)	672	free_coro_mortal (pTHX)
618	{	673	{
619	if (coro_mortal)	674	if (coro_mortal)
620	{	675	{
621	SvREFCNT_dec (coro_mortal);	676	SvREFCNT_dec (coro_mortal);
622	coro_mortal = 0;	677	coro_mortal = 0;
623	}	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;
624	}	802	}
625		803
626	/* 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 */
627	/* _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 */
628	/* during execution of a perl program */	806	/* during execution of a perl program */
629	static void NOINLINE	807	static void NOINLINE
630	prepare_cctx (pTHX_ coro_cctx *cctx)	808	prepare_cctx (pTHX_ coro_cctx *cctx)
631	{	809	{
632	dSP;	810	dSP;
633	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;
634		817
635	Zero (&myop, 1, LOGOP);	818	Zero (&myop, 1, LOGOP);
636	myop.op_next = PL_op;	819	myop.op_next = PL_op;
637	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	820	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
638		821
…		…
655	dTHX;	838	dTHX;
656		839
657	/* coro_run is the alternative tail of transfer(), so unlock here. */	840	/* coro_run is the alternative tail of transfer(), so unlock here. */
658	UNLOCK;	841	UNLOCK;
659		842
660	PL_top_env = &PL_start_env;	843	/* we now skip the entersub that lead to transfer() */
		844	PL_op = PL_op->op_next;
661		845
662	/* inject a fake subroutine call to cctx_init */	846	/* inject a fake subroutine call to cctx_init */
663	prepare_cctx (aTHX_ (coro_cctx *)arg);	847	prepare_cctx (aTHX_ (coro_cctx *)arg);
664		848
665	/* 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 */
…		…
699	# if CORO_STACKGUARD	883	# if CORO_STACKGUARD
700	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	884	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
701	# endif	885	# endif
702	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	886	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
703	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	887	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
704	cctx->mapped = 1;	888	cctx->flags \|= CC_MAPPED;
705	}	889	}
706	else	890	else
707	#endif	891	#endif
708	{	892	{
709	cctx->ssize = coro_stacksize * (long)sizeof (long);	893	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
736	#if CORO_USE_VALGRIND	920	#if CORO_USE_VALGRIND
737	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	921	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
738	#endif	922	#endif
739		923
740	#if HAVE_MMAP	924	#if HAVE_MMAP
741	if (cctx->mapped)	925	if (cctx->flags & CC_MAPPED)
742	munmap (cctx->sptr, cctx->ssize);	926	munmap (cctx->sptr, cctx->ssize);
743	else	927	else
744	#endif	928	#endif
745	Safefree (cctx->sptr);	929	Safefree (cctx->sptr);
746		930
…		…
754	{	938	{
755	coro_cctx *cctx = cctx_first;	939	coro_cctx *cctx = cctx_first;
756	cctx_first = cctx->next;	940	cctx_first = cctx->next;
757	--cctx_idle;	941	--cctx_idle;
758		942
759	if (cctx->ssize >= coro_stacksize)	943	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
760	return cctx;	944	return cctx;
761		945
762	cctx_destroy (cctx);	946	cctx_destroy (cctx);
763	}	947	}
764		948
765	PL_op = PL_op->op_next;
766	return cctx_new ();	949	return cctx_new ();
767	}	950	}
768		951
769	static void	952	static void
770	cctx_put (coro_cctx *cctx)	953	cctx_put (coro_cctx *cctx)
…		…
774	{	957	{
775	coro_cctx *first = cctx_first;	958	coro_cctx *first = cctx_first;
776	cctx_first = first->next;	959	cctx_first = first->next;
777	--cctx_idle;	960	--cctx_idle;
778		961
779	assert (!first->inuse);
780	cctx_destroy (first);	962	cctx_destroy (first);
781	}	963	}
782		964
783	++cctx_idle;	965	++cctx_idle;
784	cctx->next = cctx_first;	966	cctx->next = cctx_first;
785	cctx_first = cctx;	967	cctx_first = cctx;
786	}	968	}
787		969
788	/ coroutine switching ***************************************************/	970	/ coroutine switching ***************************************************/
789		971
790	/* 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 */
791	static void NOINLINE	992	static void NOINLINE
792	transfer (pTHX_ struct coro prev, struct coro next)	993	transfer (pTHX_ struct coro prev, struct coro next)
793	{	994	{
794	dSTACKLEVEL;	995	dSTACKLEVEL;
795		996
…		…
805		1006
806	if (prev->flags & CF_NEW)	1007	if (prev->flags & CF_NEW)
807	{	1008	{
808	/* create a new empty context */	1009	/* create a new empty context */
809	Newz (0, prev->cctx, 1, coro_cctx);	1010	Newz (0, prev->cctx, 1, coro_cctx);
810	prev->cctx->inuse = 1;
811	prev->flags &= ~CF_NEW;	1011	prev->flags &= ~CF_NEW;
812	prev->flags \|= CF_RUNNING;	1012	prev->flags \|= CF_RUNNING;
813	}	1013	}
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		1014
825	prev->flags &= ~CF_RUNNING;	1015	prev->flags &= ~CF_RUNNING;
826	next->flags \|= CF_RUNNING;	1016	next->flags \|= CF_RUNNING;
827		1017
828	LOCK;	1018	LOCK;
…		…
832	/* need to start coroutine */	1022	/* need to start coroutine */
833	next->flags &= ~CF_NEW;	1023	next->flags &= ~CF_NEW;
834	/* first get rid of the old state */	1024	/* first get rid of the old state */
835	save_perl (aTHX_ prev);	1025	save_perl (aTHX_ prev);
836	/* setup coroutine call */	1026	/* setup coroutine call */
837	setup_coro (aTHX_ next);	1027	coro_setup (aTHX_ next);
838	/* need a new stack */
839	assert (!next->cctx);
840	}	1028	}
841	else	1029	else
842	{	1030	{
843	/* coroutine already started */	1031	/* coroutine already started */
844	save_perl (aTHX_ prev);	1032	save_perl (aTHX_ prev);
…		…
846	}	1034	}
847		1035
848	prev__cctx = prev->cctx;	1036	prev__cctx = prev->cctx;
849		1037
850	/* possibly "free" the cctx */	1038	/* possibly "free" the cctx */
851	if (prev__cctx->idle_sp == STACKLEVEL)	1039	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
852	{	1040	{
853	/* 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 */
854	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));
855		1043
856	prev->cctx = 0;	1044	prev->cctx = 0;
857		1045
858	cctx_put (prev__cctx);	1046	cctx_put (prev__cctx);
859	prev__cctx->inuse = 0;
860	}	1047	}
861		1048
		1049	++next->usecount;
		1050
862	if (!next->cctx)	1051	if (!next->cctx)
863	{
864	next->cctx = cctx_get (aTHX);	1052	next->cctx = cctx_get (aTHX);
865	assert (!next->cctx->inuse);
866	next->cctx->inuse = 1;
867	}
868		1053
869	if (prev__cctx != next->cctx)	1054	if (prev__cctx != next->cctx)
870	{	1055	{
871	prev__cctx->top_env = PL_top_env;	1056	prev__cctx->top_env = PL_top_env;
872	PL_top_env = next->cctx->top_env;	1057	PL_top_env = next->cctx->top_env;
…		…
882	{	1067	{
883	struct coro prev, next;	1068	struct coro prev, next;
884	};	1069	};
885		1070
886	#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)
887		1073
888	/ high level stuff ******************************************************/	1074	/ high level stuff ******************************************************/
889		1075
890	static int	1076	static int
891	coro_state_destroy (pTHX_ struct coro *coro)	1077	coro_state_destroy (pTHX_ struct coro *coro)
…		…
908		1094
909	if (coro->mainstack && coro->mainstack != main_mainstack)	1095	if (coro->mainstack && coro->mainstack != main_mainstack)
910	{	1096	{
911	struct coro temp;	1097	struct coro temp;
912		1098
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)	1099	if (coro->flags & CF_RUNNING)
919	croak ("FATAL: tried to destroy currently running coroutine");	1100	croak ("FATAL: tried to destroy currently running coroutine");
920		1101
921	save_perl (aTHX_ &temp);	1102	save_perl (aTHX_ &temp);
922	load_perl (aTHX_ coro);	1103	load_perl (aTHX_ coro);
923		1104
924	coro_destroy_stacks (aTHX);	1105	coro_destroy (aTHX_ coro);
925		1106
926	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1107	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
927		1108
928	coro->mainstack = 0;	1109	coro->mainstack = 0;
929	}	1110	}
…		…
974	#else	1155	#else
975	# define MGf_DUP 0	1156	# define MGf_DUP 0
976	#endif	1157	#endif
977	};	1158	};
978		1159
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	1160	static void
1003	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)
1004	{	1162	{
1005	ta->prev = SvSTATE (prev_sv);	1163	ta->prev = SvSTATE (prev_sv);
1006	ta->next = SvSTATE (next_sv);	1164	ta->next = SvSTATE (next_sv);
		1165	TRANSFER_CHECK (*ta);
1007	}	1166	}
1008		1167
1009	static void	1168	static void
1010	api_transfer (SV prev_sv, SV next_sv)	1169	api_transfer (SV prev_sv, SV next_sv)
1011	{	1170	{
1012	dTHX;	1171	dTHX;
1013	struct transfer_args ta;	1172	struct transfer_args ta;
1014		1173
1015	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1174	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1016	TRANSFER (ta);	1175	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	}	1176	}
1031		1177
1032	/ Coro ******************************************************************/	1178	/ Coro ******************************************************************/
1033		1179
1034	static void	1180	static void
…		…
1128	break;	1274	break;
1129	}	1275	}
1130		1276
1131	/* free this only after the transfer */	1277	/* free this only after the transfer */
1132	prev_sv = SvRV (coro_current);	1278	prev_sv = SvRV (coro_current);
1133	SvRV_set (coro_current, next_sv);
1134	ta->prev = SvSTATE (prev_sv);	1279	ta->prev = SvSTATE (prev_sv);
1135		1280	TRANSFER_CHECK (*ta);
1136	assert (ta->next->flags & CF_READY);	1281	assert (ta->next->flags & CF_READY);
1137	ta->next->flags &= ~CF_READY;	1282	ta->next->flags &= ~CF_READY;
		1283	SvRV_set (coro_current, next_sv);
1138		1284
1139	LOCK;	1285	LOCK;
1140	free_coro_mortal (aTHX);	1286	free_coro_mortal (aTHX);
1141	coro_mortal = prev_sv;	1287	coro_mortal = prev_sv;
1142	UNLOCK;	1288	UNLOCK;
…		…
1203	}	1349	}
1204	else	1350	else
1205	return 0;	1351	return 0;
1206	}	1352	}
1207		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
1208	MODULE = Coro::State PACKAGE = Coro::State	1380	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1209		1381
1210	PROTOTYPES: DISABLE	1382	PROTOTYPES: DISABLE
1211		1383
1212	BOOT:	1384	BOOT:
1213	{	1385	{
1214	#ifdef USE_ITHREADS	1386	#ifdef USE_ITHREADS
1215	MUTEX_INIT (&coro_mutex);	1387	MUTEX_INIT (&coro_mutex);
1216	#endif	1388	#endif
1217	BOOT_PAGESIZE;	1389	BOOT_PAGESIZE;
1218		1390
		1391	irsgv = gv_fetchpv ("/", 1, SVt_PV);
		1392
1219	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1393	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1220		1394
1221	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1395	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1222	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1396	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));	1397	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1227	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1398	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1228		1399
1229	main_mainstack = PL_mainstack;	1400	main_mainstack = PL_mainstack;
1230	main_top_env = PL_top_env;	1401	main_top_env = PL_top_env;
1231		1402
1232	while (main_top_env->je_prev)	1403	while (main_top_env->je_prev)
…		…
1245	struct coro *coro;	1416	struct coro *coro;
1246	HV *hv;	1417	HV *hv;
1247	int i;	1418	int i;
1248		1419
1249	Newz (0, coro, 1, struct coro);	1420	Newz (0, coro, 1, struct coro);
1250	coro->args = newAV ();	1421	coro->args = newAV ();
1251	coro->save = CORO_SAVE_DEF;
1252	coro->flags = CF_NEW;	1422	coro->flags = CF_NEW;
1253		1423
1254	if (coro_first) coro_first->prev = coro;	1424	if (coro_first) coro_first->prev = coro;
1255	coro->next = coro_first;	1425	coro->next = coro_first;
1256	coro_first = coro;	1426	coro_first = coro;
…		…
1263	av_push (coro->args, newSVsv (ST (i)));	1433	av_push (coro->args, newSVsv (ST (i)));
1264	}	1434	}
1265	OUTPUT:	1435	OUTPUT:
1266	RETVAL	1436	RETVAL
1267		1437
1268	int	1438	# these not obviously related functions are all rolled into the same xs
1269	save (SV *coro, int new_save = -1)	1439	# function to increase chances that they all will call transfer with the same
1270	CODE:	1440	# 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	1441	void
1287	_set_stacklevel (...)	1442	_set_stacklevel (...)
1288	ALIAS:	1443	ALIAS:
1289	Coro::State::transfer = 1	1444	Coro::State::transfer = 1
1290	Coro::schedule = 2	1445	Coro::schedule = 2
…		…
1376	if (coro->hv)	1531	if (coro->hv)
1377	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1532	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378	}	1533	}
1379		1534
1380	void	1535	void
1381	_eval (Coro::State coro, SV *coderef)	1536	call (Coro::State coro, SV *coderef)
		1537	ALIAS:
		1538	eval = 1
1382	CODE:	1539	CODE:
1383	{	1540	{
1384	if (coro->mainstack)	1541	if (coro->mainstack)
1385	{	1542	{
1386	struct coro temp;	1543	struct coro temp;
1387	Zero (&temp, 1, struct coro);	1544	Zero (&temp, 1, struct coro);
1388	temp.save = CORO_SAVE_ALL;
1389		1545
1390	if (!(coro->flags & CF_RUNNING))	1546	if (!(coro->flags & CF_RUNNING))
1391	{	1547	{
1392	save_perl (aTHX_ &temp);	1548	save_perl (aTHX_ &temp);
1393	load_perl (aTHX_ coro);	1549	load_perl (aTHX_ coro);
…		…
1397	dSP;	1553	dSP;
1398	ENTER;	1554	ENTER;
1399	SAVETMPS;	1555	SAVETMPS;
1400	PUSHMARK (SP);	1556	PUSHMARK (SP);
1401	PUTBACK;	1557	PUTBACK;
		1558	if (ix)
		1559	eval_sv (coderef, 0);
		1560	else
1402	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1561	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1403	SPAGAIN;	1562	SPAGAIN;
1404	FREETMPS;	1563	FREETMPS;
1405	LEAVE;	1564	LEAVE;
1406	PUTBACK;	1565	PUTBACK;
1407	}	1566	}
…		…
1411	save_perl (aTHX_ coro);	1570	save_perl (aTHX_ coro);
1412	load_perl (aTHX_ &temp);	1571	load_perl (aTHX_ &temp);
1413	}	1572	}
1414	}	1573	}
1415	}	1574	}
1416		1575
1417	SV *	1576	SV *
1418	is_ready (Coro::State coro)	1577	is_ready (Coro::State coro)
1419	PROTOTYPE: $	1578	PROTOTYPE: $
1420	ALIAS:	1579	ALIAS:
1421	is_ready = CF_READY	1580	is_ready = CF_READY
…		…
1425	CODE:	1584	CODE:
1426	RETVAL = boolSV (coro->flags & ix);	1585	RETVAL = boolSV (coro->flags & ix);
1427	OUTPUT:	1586	OUTPUT:
1428	RETVAL	1587	RETVAL
1429		1588
		1589	void
		1590	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1591
		1592	SV *
		1593	has_stack (Coro::State coro)
		1594	PROTOTYPE: $
		1595	CODE:
		1596	RETVAL = boolSV (!!coro->cctx);
		1597	OUTPUT:
		1598	RETVAL
		1599
		1600	int
		1601	is_traced (Coro::State coro)
		1602	PROTOTYPE: $
		1603	CODE:
		1604	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1605	OUTPUT:
		1606	RETVAL
		1607
1430	IV	1608	IV
1431	rss (Coro::State coro)	1609	rss (Coro::State coro)
1432	PROTOTYPE: $	1610	PROTOTYPE: $
		1611	ALIAS:
		1612	usecount = 1
1433	CODE:	1613	CODE:
1434	RETVAL = coro_rss (coro);	1614	switch (ix)
		1615	{
		1616	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1617	case 1: RETVAL = coro->usecount; break;
		1618	}
1435	OUTPUT:	1619	OUTPUT:
1436	RETVAL	1620	RETVAL
1437		1621
1438		1622
1439	MODULE = Coro::State PACKAGE = Coro	1623	MODULE = Coro::State PACKAGE = Coro
1440		1624
1441	BOOT:	1625	BOOT:
1442	{	1626	{
1443	int i;	1627	int i;
		1628
		1629	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1630	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1631	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1632
		1633	coro_current = get_sv ("Coro::current", FALSE);
		1634	SvREADONLY_on (coro_current);
1444		1635
1445	coro_stash = gv_stashpv ("Coro", TRUE);	1636	coro_stash = gv_stashpv ("Coro", TRUE);
1446		1637
1447	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1638	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1448	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1639	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1449	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1640	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1450	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1641	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1451	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1642	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1452	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1643	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1453		1644
1454	coro_current = get_sv ("Coro::current", FALSE);
1455	SvREADONLY_on (coro_current);
1456
1457	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1645	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1458	coro_ready[i] = newAV ();	1646	coro_ready[i] = newAV ();
1459		1647
1460	{	1648	{
1461	SV *sv = perl_get_sv("Coro::API", 1);	1649	SV *sv = perl_get_sv("Coro::API", 1);
1462		1650
1463	coroapi.schedule = api_schedule;	1651	coroapi.schedule = api_schedule;
1464	coroapi.save = api_save;
1465	coroapi.cede = api_cede;	1652	coroapi.cede = api_cede;
1466	coroapi.cede_notself = api_cede_notself;	1653	coroapi.cede_notself = api_cede_notself;
1467	coroapi.ready = api_ready;	1654	coroapi.ready = api_ready;
1468	coroapi.is_ready = api_is_ready;	1655	coroapi.is_ready = api_is_ready;
1469	coroapi.nready = &coro_nready;	1656	coroapi.nready = &coro_nready;
…		…
1518	CODE:	1705	CODE:
1519	RETVAL = coro_nready;	1706	RETVAL = coro_nready;
1520	OUTPUT:	1707	OUTPUT:
1521	RETVAL	1708	RETVAL
1522		1709
		1710	# for async_pool speedup
		1711	void
		1712	_pool_1 (SV *cb)
		1713	CODE:
		1714	{
		1715	struct coro *coro = SvSTATE (coro_current);
		1716	HV hv = (HV )SvRV (coro_current);
		1717	AV *defav = GvAV (PL_defgv);
		1718	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1719	AV *invoke_av;
		1720	int i, len;
		1721
		1722	if (!invoke)
		1723	croak ("\3terminate\2\n");
		1724
		1725	SvREFCNT_dec (coro->saved_deffh);
		1726	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1727
		1728	hv_store (hv, "desc", sizeof ("desc") - 1,
		1729	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1730
		1731	invoke_av = (AV *)SvRV (invoke);
		1732	len = av_len (invoke_av);
		1733
		1734	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1735
		1736	if (len > 0)
		1737	{
		1738	av_fill (defav, len - 1);
		1739	for (i = 0; i < len; ++i)
		1740	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1741	}
		1742
		1743	SvREFCNT_dec (invoke);
		1744	}
		1745
		1746	void
		1747	_pool_2 (SV *cb)
		1748	CODE:
		1749	{
		1750	struct coro *coro = SvSTATE (coro_current);
		1751
		1752	sv_setsv (cb, &PL_sv_undef);
		1753
		1754	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1755	coro->saved_deffh = 0;
		1756
		1757	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1758	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1759	croak ("\3terminate\2\n");
		1760
		1761	av_clear (GvAV (PL_defgv));
		1762	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1763	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1764
		1765	coro->prio = 0;
		1766
		1767	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1768	api_trace (coro_current, 0);
		1769
		1770	av_push (av_async_pool, newSVsv (coro_current));
		1771	}
		1772
		1773
1523	MODULE = Coro::State PACKAGE = Coro::AIO	1774	MODULE = Coro::State PACKAGE = Coro::AIO
1524		1775
1525	SV *	1776	SV *
1526	_get_state ()	1777	_get_state ()
1527	CODE:	1778	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.154 by root, Fri Sep 21 01:08:06 2007 UTC vs. Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.154 by root, Fri Sep 21 01:08:06 2007 UTC vs.
Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC