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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.152 by root, Thu Sep 20 12:02:25 2007 UTC vs.
Revision 1.184 by root, Thu Oct 4 13:45:56 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	};
…		…
210		231
211	/* for Coro.pm */	232	/* for Coro.pm */
212	static SV *coro_current;	233	static SV *coro_current;
213	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
214	static int coro_nready;	235	static int coro_nready;
215	static struct coro *first;	236	static struct coro *coro_first;
216		237
217	/ lowlevel stuff ********************************************************/	238	/ lowlevel stuff ********************************************************/
218		239
219	static AV *	240	static AV *
220	coro_clone_padlist (pTHX_ CV *cv)	241	coro_clone_padlist (pTHX_ CV *cv)
…		…
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(128, 1024/sizeof(PERL_CONTEXT));	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);
466	PL_stack_sp = PL_stack_base;	491	PL_stack_sp = PL_stack_base;
467	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	492	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
468		493
469	New(50,PL_tmps_stack,128,SV*);	494	New(50,PL_tmps_stack,64,SV*);
470	PL_tmps_floor = -1;	495	PL_tmps_floor = -1;
471	PL_tmps_ix = -1;	496	PL_tmps_ix = -1;
472	PL_tmps_max = 128;	497	PL_tmps_max = 64;
473		498
474	New(54,PL_markstack,32,I32);	499	New(54,PL_markstack,16,I32);
475	PL_markstack_ptr = PL_markstack;	500	PL_markstack_ptr = PL_markstack;
476	PL_markstack_max = PL_markstack + 32;	501	PL_markstack_max = PL_markstack + 16;
477		502
478	#ifdef SET_MARK_OFFSET	503	#ifdef SET_MARK_OFFSET
479	SET_MARK_OFFSET;	504	SET_MARK_OFFSET;
480	#endif	505	#endif
481		506
482	New(54,PL_scopestack,32,I32);	507	New(54,PL_scopestack,16,I32);
483	PL_scopestack_ix = 0;	508	PL_scopestack_ix = 0;
484	PL_scopestack_max = 32;	509	PL_scopestack_max = 16;
485		510
486	New(54,PL_savestack,64,ANY);	511	New(54,PL_savestack,64,ANY);
487	PL_savestack_ix = 0;	512	PL_savestack_ix = 0;
488	PL_savestack_max = 64;	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,16,OP*);	516	New(54,PL_retstack,4,OP*);
492	PL_retstack_ix = 0;	517	PL_retstack_ix = 0;
493	PL_retstack_max = 16;	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	{
		560	if (coro->flags & CF_RUNNING)
		561	{
		562	#define VAR(name,type)coro->name = PL_ ## name;
		563	# include "state.h"
		564	#undef VAR
		565	}
		566
552	rss += sizeof (coro->curstackinfo);	567	rss += sizeof (coro->curstackinfo);
553	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);	568	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
554	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	569	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
555
556	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
557
558	rss += coro->tmps_max * sizeof (SV *);	571	rss += coro->tmps_max * sizeof (SV *);
559
560	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
561
562	rss += coro->scopestack_max * sizeof (I32);	573	rss += coro->scopestack_max * sizeof (I32);
563
564	rss += coro->savestack_max * sizeof (ANY);	574	rss += coro->savestack_max * sizeof (ANY);
565		575
566	#if !PERL_VERSION_ATLEAST (5,9,0)	576	#if !PERL_VERSION_ATLEAST (5,9,0)
567	rss += coro->retstack_max * sizeof (OP *);	577	rss += coro->retstack_max * sizeof (OP *);
568	#endif	578	#endif
…		…
572	}	582	}
573		583
574	/ coroutine stack handling **********************************************/	584	/ coroutine stack handling **********************************************/
575		585
576	static void	586	static void
577	setup_coro (pTHX_ struct coro *coro)	587	coro_setup (pTHX_ struct coro *coro)
578	{	588	{
579	/*	589	/*
580	* emulate part of the perl startup here.	590	* emulate part of the perl startup here.
581	*/	591	*/
582	coro_init_stacks (aTHX);	592	coro_init_stacks (aTHX);
583		593
		594	PL_runops = RUNOPS_DEFAULT;
584	PL_curcop = &PL_compiling;	595	PL_curcop = &PL_compiling;
585	PL_in_eval = EVAL_NULL;	596	PL_in_eval = EVAL_NULL;
586	PL_comppad = 0;	597	PL_comppad = 0;
587	PL_curpm = 0;	598	PL_curpm = 0;
588	PL_localizing = 0;	599	PL_localizing = 0;
589	PL_dirty = 0;	600	PL_dirty = 0;
590	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 = newGVgen ("Coro");
		612	GvIOp(PL_defoutgv) = io;
		613	IoTYPE (io) = IoTYPE_WRONLY;
		614	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
		615	IoFLAGS (io) \|= IOf_FLUSH;
		616	}
591		617
592	{	618	{
593	dSP;	619	dSP;
594	LOGOP myop;	620	LOGOP myop;
595
596	SvREFCNT_dec (GvAV (PL_defgv));
597	GvAV (PL_defgv) = coro->args; coro->args = 0;
598		621
599	Zero (&myop, 1, LOGOP);	622	Zero (&myop, 1, LOGOP);
600	myop.op_next = Nullop;	623	myop.op_next = Nullop;
601	myop.op_flags = OPf_WANT_VOID;	624	myop.op_flags = OPf_WANT_VOID;
602		625
…		…
610		633
611	ENTER; /* necessary e.g. for dounwind */	634	ENTER; /* necessary e.g. for dounwind */
612	}	635	}
613		636
614	static void	637	static void
		638	coro_destroy (pTHX_ struct coro *coro)
		639	{
		640	if (!IN_DESTRUCT)
		641	{
		642	/* restore all saved variables and stuff */
		643	LEAVE_SCOPE (0);
		644	assert (PL_tmps_floor == -1);
		645
		646	/* free all temporaries */
		647	FREETMPS;
		648	assert (PL_tmps_ix == -1);
		649
		650	/* unwind all extra stacks */
		651	POPSTACK_TO (PL_mainstack);
		652
		653	/* unwind main stack */
		654	dounwind (-1);
		655	}
		656
		657	SvREFCNT_dec (GvSV (PL_defgv));
		658	SvREFCNT_dec (GvAV (PL_defgv));
		659	SvREFCNT_dec (GvSV (PL_errgv));
		660	SvREFCNT_dec (PL_defoutgv);
		661	SvREFCNT_dec (PL_rs);
		662	SvREFCNT_dec (GvSV (irsgv));
		663
		664	SvREFCNT_dec (coro->saved_deffh);
		665	//SvREFCNT_dec (coro->throw);
		666
		667	coro_destroy_stacks (aTHX);
		668	}
		669
		670	static void
615	free_coro_mortal (pTHX)	671	free_coro_mortal (pTHX)
616	{	672	{
617	if (coro_mortal)	673	if (coro_mortal)
618	{	674	{
619	SvREFCNT_dec (coro_mortal);	675	SvREFCNT_dec (coro_mortal);
620	coro_mortal = 0;	676	coro_mortal = 0;
621	}	677	}
		678	}
		679
		680	static int
		681	runops_trace (pTHX)
		682	{
		683	COP *oldcop = 0;
		684	int oldcxix = -2;
		685	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		686	coro_cctx *cctx = coro->cctx;
		687
		688	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		689	{
		690	PERL_ASYNC_CHECK ();
		691
		692	if (cctx->flags & CC_TRACE_ALL)
		693	{
		694	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		695	{
		696	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		697	SV bot, top;
		698	AV av = newAV (); / return values */
		699	SV **cb;
		700	dSP;
		701
		702	GV *gv = CvGV (cx->blk_sub.cv);
		703	SV *fullname = sv_2mortal (newSV (0));
		704	if (isGV (gv))
		705	gv_efullname3 (fullname, gv, 0);
		706
		707	bot = PL_stack_base + cx->blk_oldsp + 1;
		708	top = cx->blk_gimme == G_ARRAY ? SP + 1
		709	: cx->blk_gimme == G_SCALAR ? bot + 1
		710	: bot;
		711
		712	while (bot < top)
		713	av_push (av, SvREFCNT_inc (*bot++));
		714
		715	PL_runops = RUNOPS_DEFAULT;
		716	ENTER;
		717	SAVETMPS;
		718	EXTEND (SP, 3);
		719	PUSHMARK (SP);
		720	PUSHs (&PL_sv_no);
		721	PUSHs (fullname);
		722	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		723	PUTBACK;
		724	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		725	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		726	SPAGAIN;
		727	FREETMPS;
		728	LEAVE;
		729	PL_runops = runops_trace;
		730	}
		731
		732	if (oldcop != PL_curcop)
		733	{
		734	oldcop = PL_curcop;
		735
		736	if (PL_curcop != &PL_compiling)
		737	{
		738	SV **cb;
		739
		740	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		741	{
		742	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		743
		744	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		745	{
		746	runops_proc_t old_runops = PL_runops;
		747	dSP;
		748	GV *gv = CvGV (cx->blk_sub.cv);
		749	SV *fullname = sv_2mortal (newSV (0));
		750
		751	if (isGV (gv))
		752	gv_efullname3 (fullname, gv, 0);
		753
		754	PL_runops = RUNOPS_DEFAULT;
		755	ENTER;
		756	SAVETMPS;
		757	EXTEND (SP, 3);
		758	PUSHMARK (SP);
		759	PUSHs (&PL_sv_yes);
		760	PUSHs (fullname);
		761	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		762	PUTBACK;
		763	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		764	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		765	SPAGAIN;
		766	FREETMPS;
		767	LEAVE;
		768	PL_runops = runops_trace;
		769	}
		770
		771	oldcxix = cxstack_ix;
		772	}
		773
		774	if (cctx->flags & CC_TRACE_LINE)
		775	{
		776	dSP;
		777
		778	PL_runops = RUNOPS_DEFAULT;
		779	ENTER;
		780	SAVETMPS;
		781	EXTEND (SP, 3);
		782	PL_runops = RUNOPS_DEFAULT;
		783	PUSHMARK (SP);
		784	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		785	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		786	PUTBACK;
		787	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		788	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		789	SPAGAIN;
		790	FREETMPS;
		791	LEAVE;
		792	PL_runops = runops_trace;
		793	}
		794	}
		795	}
		796	}
		797	}
		798
		799	TAINT_NOT;
		800	return 0;
622	}	801	}
623		802
624	/* inject a fake call to Coro::State::_cctx_init into the execution */	803	/* inject a fake call to Coro::State::_cctx_init into the execution */
625	/* _cctx_init should be careful, as it could be called at almost any time */	804	/* _cctx_init should be careful, as it could be called at almost any time */
626	/* during execution of a perl program */	805	/* during execution of a perl program */
627	static void NOINLINE	806	static void NOINLINE
628	prepare_cctx (pTHX_ coro_cctx *cctx)	807	prepare_cctx (pTHX_ coro_cctx *cctx)
629	{	808	{
630	dSP;	809	dSP;
631	LOGOP myop;	810	LOGOP myop;
		811
		812	PL_top_env = &PL_start_env;
		813
		814	if (cctx->flags & CC_TRACE)
		815	PL_runops = runops_trace;
632		816
633	Zero (&myop, 1, LOGOP);	817	Zero (&myop, 1, LOGOP);
634	myop.op_next = PL_op;	818	myop.op_next = PL_op;
635	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	819	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
636		820
…		…
653	dTHX;	837	dTHX;
654		838
655	/* coro_run is the alternative tail of transfer(), so unlock here. */	839	/* coro_run is the alternative tail of transfer(), so unlock here. */
656	UNLOCK;	840	UNLOCK;
657		841
658	PL_top_env = &PL_start_env;	842	/* we now skip the entersub that lead to transfer() */
		843	PL_op = PL_op->op_next;
659		844
660	/* inject a fake subroutine call to cctx_init */	845	/* inject a fake subroutine call to cctx_init */
661	prepare_cctx (aTHX_ (coro_cctx *)arg);	846	prepare_cctx (aTHX_ (coro_cctx *)arg);
662		847
663	/* somebody or something will hit me for both perl_run and PL_restartop */	848	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
697	# if CORO_STACKGUARD	882	# if CORO_STACKGUARD
698	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	883	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
699	# endif	884	# endif
700	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	885	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
701	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	886	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
702	cctx->mapped = 1;	887	cctx->flags \|= CC_MAPPED;
703	}	888	}
704	else	889	else
705	#endif	890	#endif
706	{	891	{
707	cctx->ssize = coro_stacksize * (long)sizeof (long);	892	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
734	#if CORO_USE_VALGRIND	919	#if CORO_USE_VALGRIND
735	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	920	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
736	#endif	921	#endif
737		922
738	#if HAVE_MMAP	923	#if HAVE_MMAP
739	if (cctx->mapped)	924	if (cctx->flags & CC_MAPPED)
740	munmap (cctx->sptr, cctx->ssize);	925	munmap (cctx->sptr, cctx->ssize);
741	else	926	else
742	#endif	927	#endif
743	Safefree (cctx->sptr);	928	Safefree (cctx->sptr);
744		929
…		…
752	{	937	{
753	coro_cctx *cctx = cctx_first;	938	coro_cctx *cctx = cctx_first;
754	cctx_first = cctx->next;	939	cctx_first = cctx->next;
755	--cctx_idle;	940	--cctx_idle;
756		941
757	if (cctx->ssize >= coro_stacksize)	942	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
758	return cctx;	943	return cctx;
759		944
760	cctx_destroy (cctx);	945	cctx_destroy (cctx);
761	}	946	}
762		947
763	PL_op = PL_op->op_next;
764	return cctx_new ();	948	return cctx_new ();
765	}	949	}
766		950
767	static void	951	static void
768	cctx_put (coro_cctx *cctx)	952	cctx_put (coro_cctx *cctx)
…		…
772	{	956	{
773	coro_cctx *first = cctx_first;	957	coro_cctx *first = cctx_first;
774	cctx_first = first->next;	958	cctx_first = first->next;
775	--cctx_idle;	959	--cctx_idle;
776		960
777	assert (!first->inuse);
778	cctx_destroy (first);	961	cctx_destroy (first);
779	}	962	}
780		963
781	++cctx_idle;	964	++cctx_idle;
782	cctx->next = cctx_first;	965	cctx->next = cctx_first;
783	cctx_first = cctx;	966	cctx_first = cctx;
784	}	967	}
785		968
786	/ coroutine switching ***************************************************/	969	/ coroutine switching ***************************************************/
787		970
788	/* never call directly, always through the coro_state_transfer global variable */	971	static void NOINLINE
		972	transfer_check (pTHX_ struct coro prev, struct coro next)
		973	{
		974	if (prev != next)
		975	{
		976	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		977	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		978
		979	if (next->flags & CF_RUNNING)
		980	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		981
		982	if (next->flags & CF_DESTROYED)
		983	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		984
		985	if (PL_lex_state != LEX_NOTPARSING)
		986	croak ("Coro::State::transfer called while parsing, but this is not supported");
		987	}
		988	}
		989
		990	/* always use the TRANSFER macro */
789	static void NOINLINE	991	static void NOINLINE
790	transfer (pTHX_ struct coro prev, struct coro next)	992	transfer (pTHX_ struct coro prev, struct coro next)
791	{	993	{
792	dSTACKLEVEL;	994	dSTACKLEVEL;
793		995
…		…
803		1005
804	if (prev->flags & CF_NEW)	1006	if (prev->flags & CF_NEW)
805	{	1007	{
806	/* create a new empty context */	1008	/* create a new empty context */
807	Newz (0, prev->cctx, 1, coro_cctx);	1009	Newz (0, prev->cctx, 1, coro_cctx);
808	prev->cctx->inuse = 1;
809	prev->flags &= ~CF_NEW;	1010	prev->flags &= ~CF_NEW;
810	prev->flags \|= CF_RUNNING;	1011	prev->flags \|= CF_RUNNING;
811	}	1012	}
812
813	/TODO: must not croak here /
814	if (!prev->flags & CF_RUNNING)
815	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
816
817	if (next->flags & CF_RUNNING)
818	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
819
820	if (next->flags & CF_DESTROYED)
821	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
822		1013
823	prev->flags &= ~CF_RUNNING;	1014	prev->flags &= ~CF_RUNNING;
824	next->flags \|= CF_RUNNING;	1015	next->flags \|= CF_RUNNING;
825		1016
826	LOCK;	1017	LOCK;
…		…
830	/* need to start coroutine */	1021	/* need to start coroutine */
831	next->flags &= ~CF_NEW;	1022	next->flags &= ~CF_NEW;
832	/* first get rid of the old state */	1023	/* first get rid of the old state */
833	save_perl (aTHX_ prev);	1024	save_perl (aTHX_ prev);
834	/* setup coroutine call */	1025	/* setup coroutine call */
835	setup_coro (aTHX_ next);	1026	coro_setup (aTHX_ next);
836	/* need a new stack */
837	assert (!next->cctx);
838	}	1027	}
839	else	1028	else
840	{	1029	{
841	/* coroutine already started */	1030	/* coroutine already started */
842	save_perl (aTHX_ prev);	1031	save_perl (aTHX_ prev);
…		…
844	}	1033	}
845		1034
846	prev__cctx = prev->cctx;	1035	prev__cctx = prev->cctx;
847		1036
848	/* possibly "free" the cctx */	1037	/* possibly "free" the cctx */
849	if (prev__cctx->idle_sp == STACKLEVEL)	1038	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
850	{	1039	{
851	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1040	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
852	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1041	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
853		1042
854	prev->cctx = 0;	1043	prev->cctx = 0;
855		1044
856	cctx_put (prev__cctx);	1045	cctx_put (prev__cctx);
857	prev__cctx->inuse = 0;
858	}	1046	}
859		1047
		1048	++next->usecount;
		1049
860	if (!next->cctx)	1050	if (!next->cctx)
861	{
862	next->cctx = cctx_get (aTHX);	1051	next->cctx = cctx_get (aTHX);
863	assert (!next->cctx->inuse);
864	next->cctx->inuse = 1;
865	}
866		1052
867	if (prev__cctx != next->cctx)	1053	if (prev__cctx != next->cctx)
868	{	1054	{
869	prev__cctx->top_env = PL_top_env;	1055	prev__cctx->top_env = PL_top_env;
870	PL_top_env = next->cctx->top_env;	1056	PL_top_env = next->cctx->top_env;
…		…
880	{	1066	{
881	struct coro prev, next;	1067	struct coro prev, next;
882	};	1068	};
883		1069
884	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1070	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1071	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
885		1072
886	/ high level stuff ******************************************************/	1073	/ high level stuff ******************************************************/
887		1074
888	static int	1075	static int
889	coro_state_destroy (pTHX_ struct coro *coro)	1076	coro_state_destroy (pTHX_ struct coro *coro)
…		…
906		1093
907	if (coro->mainstack && coro->mainstack != main_mainstack)	1094	if (coro->mainstack && coro->mainstack != main_mainstack)
908	{	1095	{
909	struct coro temp;	1096	struct coro temp;
910		1097
911	assert (!(coro->flags & CF_RUNNING));
912
913	Zero (&temp, 1, struct coro);
914	temp.save = CORO_SAVE_ALL;
915
916	if (coro->flags & CF_RUNNING)	1098	if (coro->flags & CF_RUNNING)
917	croak ("FATAL: tried to destroy currently running coroutine");	1099	croak ("FATAL: tried to destroy currently running coroutine");
918		1100
919	save_perl (aTHX_ &temp);	1101	save_perl (aTHX_ &temp);
920	load_perl (aTHX_ coro);	1102	load_perl (aTHX_ coro);
921		1103
922	coro_destroy_stacks (aTHX);	1104	coro_destroy (aTHX_ coro);
923		1105
924	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1106	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
925		1107
926	coro->mainstack = 0;	1108	coro->mainstack = 0;
927	}	1109	}
…		…
929	cctx_destroy (coro->cctx);	1111	cctx_destroy (coro->cctx);
930	SvREFCNT_dec (coro->args);	1112	SvREFCNT_dec (coro->args);
931		1113
932	if (coro->next) coro->next->prev = coro->prev;	1114	if (coro->next) coro->next->prev = coro->prev;
933	if (coro->prev) coro->prev->next = coro->next;	1115	if (coro->prev) coro->prev->next = coro->next;
934	if (coro == first) first = coro->next;	1116	if (coro == coro_first) coro_first = coro->next;
935		1117
936	return 1;	1118	return 1;
937	}	1119	}
938		1120
939	static int	1121	static int
…		…
972	#else	1154	#else
973	# define MGf_DUP 0	1155	# define MGf_DUP 0
974	#endif	1156	#endif
975	};	1157	};
976		1158
977	static struct coro *
978	SvSTATE_ (pTHX_ SV *coro)
979	{
980	HV *stash;
981	MAGIC *mg;
982
983	if (SvROK (coro))
984	coro = SvRV (coro);
985
986	stash = SvSTASH (coro);
987	if (stash != coro_stash && stash != coro_state_stash)
988	{
989	/* very slow, but rare, check */
990	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
991	croak ("Coro::State object required");
992	}
993
994	mg = CORO_MAGIC (coro);
995	return (struct coro *)mg->mg_ptr;
996	}
997
998	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
999
1000	static void	1159	static void
1001	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1160	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1002	{	1161	{
1003	ta->prev = SvSTATE (prev_sv);	1162	ta->prev = SvSTATE (prev_sv);
1004	ta->next = SvSTATE (next_sv);	1163	ta->next = SvSTATE (next_sv);
		1164	TRANSFER_CHECK (*ta);
1005	}	1165	}
1006		1166
1007	static void	1167	static void
1008	api_transfer (SV prev_sv, SV next_sv)	1168	api_transfer (SV prev_sv, SV next_sv)
1009	{	1169	{
1010	dTHX;	1170	dTHX;
1011	struct transfer_args ta;	1171	struct transfer_args ta;
1012		1172
1013	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1173	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1014	TRANSFER (ta);	1174	TRANSFER (ta);
1015	}
1016
1017	static int
1018	api_save (SV *coro_sv, int new_save)
1019	{
1020	dTHX;
1021	struct coro *coro = SvSTATE (coro_sv);
1022	int old_save = coro->save;
1023
1024	if (new_save >= 0)
1025	coro->save = new_save;
1026
1027	return old_save;
1028	}	1175	}
1029		1176
1030	/ Coro ******************************************************************/	1177	/ Coro ******************************************************************/
1031		1178
1032	static void	1179	static void
…		…
1126	break;	1273	break;
1127	}	1274	}
1128		1275
1129	/* free this only after the transfer */	1276	/* free this only after the transfer */
1130	prev_sv = SvRV (coro_current);	1277	prev_sv = SvRV (coro_current);
1131	SvRV_set (coro_current, next_sv);
1132	ta->prev = SvSTATE (prev_sv);	1278	ta->prev = SvSTATE (prev_sv);
1133		1279	TRANSFER_CHECK (*ta);
1134	assert (ta->next->flags & CF_READY);	1280	assert (ta->next->flags & CF_READY);
1135	ta->next->flags &= ~CF_READY;	1281	ta->next->flags &= ~CF_READY;
		1282	SvRV_set (coro_current, next_sv);
1136		1283
1137	LOCK;	1284	LOCK;
1138	free_coro_mortal (aTHX);	1285	free_coro_mortal (aTHX);
1139	coro_mortal = prev_sv;	1286	coro_mortal = prev_sv;
1140	UNLOCK;	1287	UNLOCK;
…		…
1201	}	1348	}
1202	else	1349	else
1203	return 0;	1350	return 0;
1204	}	1351	}
1205		1352
		1353	static void
		1354	api_trace (SV *coro_sv, int flags)
		1355	{
		1356	dTHX;
		1357	struct coro *coro = SvSTATE (coro_sv);
		1358
		1359	if (flags & CC_TRACE)
		1360	{
		1361	if (!coro->cctx)
		1362	coro->cctx = cctx_new ();
		1363	else if (!(coro->cctx->flags & CC_TRACE))
		1364	croak ("cannot enable tracing on coroutine with custom stack");
		1365
		1366	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1367	}
		1368	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1369	{
		1370	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1371
		1372	if (coro->flags & CF_RUNNING)
		1373	PL_runops = RUNOPS_DEFAULT;
		1374	else
		1375	coro->runops = RUNOPS_DEFAULT;
		1376	}
		1377	}
		1378
1206	MODULE = Coro::State PACKAGE = Coro::State	1379	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1207		1380
1208	PROTOTYPES: DISABLE	1381	PROTOTYPES: DISABLE
1209		1382
1210	BOOT:	1383	BOOT:
1211	{	1384	{
1212	#ifdef USE_ITHREADS	1385	#ifdef USE_ITHREADS
1213	MUTEX_INIT (&coro_mutex);	1386	MUTEX_INIT (&coro_mutex);
1214	#endif	1387	#endif
1215	BOOT_PAGESIZE;	1388	BOOT_PAGESIZE;
1216		1389
		1390	irsgv = gv_fetchpv ("/", 1, SVt_PV);
		1391
1217	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1392	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1218		1393
1219	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1394	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1220	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1395	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1221	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1222	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1223	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1224	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1396	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1225	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1397	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1226		1398
1227	main_mainstack = PL_mainstack;	1399	main_mainstack = PL_mainstack;
1228	main_top_env = PL_top_env;	1400	main_top_env = PL_top_env;
1229		1401
1230	while (main_top_env->je_prev)	1402	while (main_top_env->je_prev)
…		…
1243	struct coro *coro;	1415	struct coro *coro;
1244	HV *hv;	1416	HV *hv;
1245	int i;	1417	int i;
1246		1418
1247	Newz (0, coro, 1, struct coro);	1419	Newz (0, coro, 1, struct coro);
1248	coro->args = newAV ();	1420	coro->args = newAV ();
1249	coro->save = CORO_SAVE_DEF;
1250	coro->flags = CF_NEW;	1421	coro->flags = CF_NEW;
1251		1422
1252	if (first) first->prev = coro;	1423	if (coro_first) coro_first->prev = coro;
1253	coro->next = first;	1424	coro->next = coro_first;
1254	first = coro;	1425	coro_first = coro;
1255		1426
1256	coro->hv = hv = newHV ();	1427	coro->hv = hv = newHV ();
1257	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1428	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1258	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1429	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1259		1430
…		…
1261	av_push (coro->args, newSVsv (ST (i)));	1432	av_push (coro->args, newSVsv (ST (i)));
1262	}	1433	}
1263	OUTPUT:	1434	OUTPUT:
1264	RETVAL	1435	RETVAL
1265		1436
1266	int	1437	# these not obviously related functions are all rolled into the same xs
1267	save (SV *coro, int new_save = -1)	1438	# function to increase chances that they all will call transfer with the same
1268	CODE:	1439	# stack offset
1269	RETVAL = api_save (coro, new_save);
1270	OUTPUT:
1271	RETVAL
1272
1273	int
1274	save_also (SV *coro_sv, int save_also)
1275	CODE:
1276	{
1277	struct coro *coro = SvSTATE (coro_sv);
1278	RETVAL = coro->save;
1279	coro->save \|= save_also;
1280	}
1281	OUTPUT:
1282	RETVAL
1283
1284	void	1440	void
1285	_set_stacklevel (...)	1441	_set_stacklevel (...)
1286	ALIAS:	1442	ALIAS:
1287	Coro::State::transfer = 1	1443	Coro::State::transfer = 1
1288	Coro::schedule = 2	1444	Coro::schedule = 2
…		…
1368	void	1524	void
1369	list ()	1525	list ()
1370	PPCODE:	1526	PPCODE:
1371	{	1527	{
1372	struct coro *coro;	1528	struct coro *coro;
1373	for (coro = first; coro; coro = coro->next)	1529	for (coro = coro_first; coro; coro = coro->next)
1374	if (coro->hv)	1530	if (coro->hv)
1375	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1531	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1376	}	1532	}
1377		1533
1378	void	1534	void
1379	_eval (Coro::State coro, SV *coderef)	1535	call (Coro::State coro, SV *coderef)
		1536	ALIAS:
		1537	eval = 1
1380	CODE:	1538	CODE:
1381	{	1539	{
1382	if (coro->mainstack)	1540	if (coro->mainstack)
1383	{	1541	{
1384	struct coro temp;	1542	struct coro temp;
1385	Zero (&temp, 1, struct coro);	1543	Zero (&temp, 1, struct coro);
1386	temp.save = CORO_SAVE_ALL;
1387		1544
1388	if (!(coro->flags & CF_RUNNING))	1545	if (!(coro->flags & CF_RUNNING))
1389	{	1546	{
1390	save_perl (aTHX_ &temp);	1547	save_perl (aTHX_ &temp);
1391	load_perl (aTHX_ coro);	1548	load_perl (aTHX_ coro);
…		…
1395	dSP;	1552	dSP;
1396	ENTER;	1553	ENTER;
1397	SAVETMPS;	1554	SAVETMPS;
1398	PUSHMARK (SP);	1555	PUSHMARK (SP);
1399	PUTBACK;	1556	PUTBACK;
		1557	if (ix)
		1558	eval_sv (coderef, 0);
		1559	else
1400	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1560	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1401	SPAGAIN;	1561	SPAGAIN;
1402	FREETMPS;	1562	FREETMPS;
1403	LEAVE;	1563	LEAVE;
1404	PUTBACK;	1564	PUTBACK;
1405	}	1565	}
…		…
1409	save_perl (aTHX_ coro);	1569	save_perl (aTHX_ coro);
1410	load_perl (aTHX_ &temp);	1570	load_perl (aTHX_ &temp);
1411	}	1571	}
1412	}	1572	}
1413	}	1573	}
1414		1574
1415	SV *	1575	SV *
1416	is_ready (Coro::State coro)	1576	is_ready (Coro::State coro)
1417	PROTOTYPE: $	1577	PROTOTYPE: $
1418	ALIAS:	1578	ALIAS:
1419	is_ready = CF_READY	1579	is_ready = CF_READY
…		…
1423	CODE:	1583	CODE:
1424	RETVAL = boolSV (coro->flags & ix);	1584	RETVAL = boolSV (coro->flags & ix);
1425	OUTPUT:	1585	OUTPUT:
1426	RETVAL	1586	RETVAL
1427		1587
		1588	void
		1589	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1590
		1591	SV *
		1592	has_stack (Coro::State coro)
		1593	PROTOTYPE: $
		1594	CODE:
		1595	RETVAL = boolSV (!!coro->cctx);
		1596	OUTPUT:
		1597	RETVAL
		1598
		1599	int
		1600	is_traced (Coro::State coro)
		1601	PROTOTYPE: $
		1602	CODE:
		1603	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1604	OUTPUT:
		1605	RETVAL
		1606
1428	IV	1607	IV
1429	rss (Coro::State coro)	1608	rss (Coro::State coro)
1430	PROTOTYPE: $	1609	PROTOTYPE: $
		1610	ALIAS:
		1611	usecount = 1
1431	CODE:	1612	CODE:
1432	RETVAL = coro_rss (coro);	1613	switch (ix)
		1614	{
		1615	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1616	case 1: RETVAL = coro->usecount; break;
		1617	}
1433	OUTPUT:	1618	OUTPUT:
1434	RETVAL	1619	RETVAL
1435		1620
1436		1621
1437	MODULE = Coro::State PACKAGE = Coro	1622	MODULE = Coro::State PACKAGE = Coro
1438		1623
1439	BOOT:	1624	BOOT:
1440	{	1625	{
1441	int i;	1626	int i;
		1627
		1628	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1629	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1630	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1631
		1632	coro_current = get_sv ("Coro::current", FALSE);
		1633	SvREADONLY_on (coro_current);
1442		1634
1443	coro_stash = gv_stashpv ("Coro", TRUE);	1635	coro_stash = gv_stashpv ("Coro", TRUE);
1444		1636
1445	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1637	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1446	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1638	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1447	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1639	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1448	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1640	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1449	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1641	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1450	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1642	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1451		1643
1452	coro_current = get_sv ("Coro::current", FALSE);
1453	SvREADONLY_on (coro_current);
1454
1455	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1644	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1456	coro_ready[i] = newAV ();	1645	coro_ready[i] = newAV ();
1457		1646
1458	{	1647	{
1459	SV *sv = perl_get_sv("Coro::API", 1);	1648	SV *sv = perl_get_sv("Coro::API", 1);
1460		1649
1461	coroapi.schedule = api_schedule;	1650	coroapi.schedule = api_schedule;
1462	coroapi.save = api_save;
1463	coroapi.cede = api_cede;	1651	coroapi.cede = api_cede;
1464	coroapi.cede_notself = api_cede_notself;	1652	coroapi.cede_notself = api_cede_notself;
1465	coroapi.ready = api_ready;	1653	coroapi.ready = api_ready;
1466	coroapi.is_ready = api_is_ready;	1654	coroapi.is_ready = api_is_ready;
1467	coroapi.nready = &coro_nready;	1655	coroapi.nready = &coro_nready;
…		…
1516	CODE:	1704	CODE:
1517	RETVAL = coro_nready;	1705	RETVAL = coro_nready;
1518	OUTPUT:	1706	OUTPUT:
1519	RETVAL	1707	RETVAL
1520		1708
		1709	# for async_pool speedup
		1710	void
		1711	_pool_1 (SV *cb)
		1712	CODE:
		1713	{
		1714	struct coro *coro = SvSTATE (coro_current);
		1715	HV hv = (HV )SvRV (coro_current);
		1716	AV *defav = GvAV (PL_defgv);
		1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1718	AV *invoke_av;
		1719	int i, len;
		1720
		1721	if (!invoke)
		1722	croak ("\3terminate\2\n");
		1723
		1724	SvREFCNT_dec (coro->saved_deffh);
		1725	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1726
		1727	hv_store (hv, "desc", sizeof ("desc") - 1,
		1728	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1729
		1730	invoke_av = (AV *)SvRV (invoke);
		1731	len = av_len (invoke_av);
		1732
		1733	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1734
		1735	if (len > 0)
		1736	{
		1737	av_fill (defav, len - 1);
		1738	for (i = 0; i < len; ++i)
		1739	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1740	}
		1741
		1742	SvREFCNT_dec (invoke);
		1743	}
		1744
		1745	void
		1746	_pool_2 (SV *cb)
		1747	CODE:
		1748	{
		1749	struct coro *coro = SvSTATE (coro_current);
		1750
		1751	sv_setsv (cb, &PL_sv_undef);
		1752
		1753	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1754	coro->saved_deffh = 0;
		1755
		1756	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1757	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1758	croak ("\3terminate\2\n");
		1759
		1760	av_clear (GvAV (PL_defgv));
		1761	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1762	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1763
		1764	coro->prio = 0;
		1765
		1766	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1767	api_trace (coro_current, 0);
		1768
		1769	av_push (av_async_pool, newSVsv (coro_current));
		1770	}
		1771
		1772
1521	MODULE = Coro::State PACKAGE = Coro::AIO	1773	MODULE = Coro::State PACKAGE = Coro::AIO
1522		1774
1523	SV *	1775	SV *
1524	_get_state ()	1776	_get_state ()
1525	CODE:	1777	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.152 by root, Thu Sep 20 12:02:25 2007 UTC vs. Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.152 by root, Thu Sep 20 12:02:25 2007 UTC vs.
Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC