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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC vs.
Revision 1.189 by root, Fri Oct 5 20:38:43 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	static GV stdoutgv; / STDOUT /
		139
		140	/* async_pool helper stuff */
		141	static SV *sv_pool_rss;
		142	static SV *sv_pool_size;
		143	static AV *av_async_pool;
		144
138	static struct coro_cctx *cctx_first;	145	static struct coro_cctx *cctx_first;
139	static int cctx_count, cctx_idle;	146	static int cctx_count, cctx_idle;
		147
		148	enum {
		149	CC_MAPPED = 0x01,
		150	CC_NOREUSE = 0x02, /* throw this away after tracing */
		151	CC_TRACE = 0x04,
		152	CC_TRACE_SUB = 0x08, /* trace sub calls */
		153	CC_TRACE_LINE = 0x10, /* trace each statement */
		154	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		155	};
140		156
141	/* this is a structure representing a c-level coroutine */	157	/* this is a structure representing a c-level coroutine */
142	typedef struct coro_cctx {	158	typedef struct coro_cctx {
143	struct coro_cctx *next;	159	struct coro_cctx *next;
144		160
…		…
153	coro_context cctx;	169	coro_context cctx;
154		170
155	#if CORO_USE_VALGRIND	171	#if CORO_USE_VALGRIND
156	int valgrind_id;	172	int valgrind_id;
157	#endif	173	#endif
158	char inuse, mapped;	174	unsigned char flags;
159	} coro_cctx;	175	} coro_cctx;
160		176
161	enum {	177	enum {
162	CF_RUNNING = 0x0001, /* coroutine is running */	178	CF_RUNNING = 0x0001, /* coroutine is running */
163	CF_READY = 0x0002, /* coroutine is ready */	179	CF_READY = 0x0002, /* coroutine is ready */
…		…
171	coro_cctx *cctx;	187	coro_cctx *cctx;
172		188
173	/* data associated with this coroutine (initial args) */	189	/* data associated with this coroutine (initial args) */
174	AV *args;	190	AV *args;
175	int refcnt;	191	int refcnt;
176	int save; /* CORO_SAVE flags */
177	int flags; /* CF_ flags */	192	int flags; /* CF_ flags */
178		193
179	/* optionally saved, might be zero */	194	/* optionally saved, might be zero */
180	AV defav; / @_ */	195	AV defav; / @_ */
181	SV defsv; / $_ */	196	SV defsv; / $_ */
182	SV errsv; / $@ */	197	SV errsv; / $@ */
183	GV deffh; / default filehandle */	198	SV deffh; / default filehandle */
184	SV irssv; / $/ */	199	SV irssv; / $/ */
185	SV irssv_sv; / real $/ cache */	200	SV irssv_sv; / real $/ cache */
186		201
187	#define VAR(name,type) type name;	202	#define VAR(name,type) type name;
188	# include "state.h"	203	# include "state.h"
189	#undef VAR	204	#undef VAR
190		205
		206	/* statistics */
		207	int usecount; /* number of transfers to this coro */
		208
191	/* coro process data */	209	/* coro process data */
192	int prio;	210	int prio;
		211	//SV *throw;
		212
		213	/* async_pool */
		214	SV *saved_deffh;
		215
		216	/* linked list */
		217	struct coro next, prev;
		218	HV hv; / the perl hash associated with this coro, if any */
193	};	219	};
194		220
195	typedef struct coro *Coro__State;	221	typedef struct coro *Coro__State;
196	typedef struct coro *Coro__State_or_hashref;	222	typedef struct coro *Coro__State_or_hashref;
197		223
…		…
206		232
207	/* for Coro.pm */	233	/* for Coro.pm */
208	static SV *coro_current;	234	static SV *coro_current;
209	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	235	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
210	static int coro_nready;	236	static int coro_nready;
		237	static struct coro *coro_first;
211		238
212	/ lowlevel stuff ********************************************************/	239	/ lowlevel stuff ********************************************************/
213		240
214	static AV *	241	static AV *
215	coro_clone_padlist (pTHX_ CV *cv)	242	coro_clone_padlist (pTHX_ CV *cv)
…		…
280	SvMAGIC (cv) \	307	SvMAGIC (cv) \
281	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	308	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
282	? SvMAGIC (cv) \	309	? SvMAGIC (cv) \
283	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	310	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
284	: 0	311	: 0
		312
		313	static struct coro *
		314	SvSTATE_ (pTHX_ SV *coro)
		315	{
		316	HV *stash;
		317	MAGIC *mg;
		318
		319	if (SvROK (coro))
		320	coro = SvRV (coro);
		321
		322	if (SvTYPE (coro) != SVt_PVHV)
		323	croak ("Coro::State object required");
		324
		325	stash = SvSTASH (coro);
		326	if (stash != coro_stash && stash != coro_state_stash)
		327	{
		328	/* very slow, but rare, check */
		329	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		330	croak ("Coro::State object required");
		331	}
		332
		333	mg = CORO_MAGIC (coro);
		334	return (struct coro *)mg->mg_ptr;
		335	}
		336
		337	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
285		338
286	/* the next two functions merely cache the padlists */	339	/* the next two functions merely cache the padlists */
287	static void	340	static void
288	get_padlist (pTHX_ CV *cv)	341	get_padlist (pTHX_ CV *cv)
289	{	342	{
…		…
328	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	381	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
329	}	382	}
330		383
331	/ load & save, init *****************************************************/	384	/ load & save, init *****************************************************/
332		385
333	#define SB do {
334	#define SE } while (0)
335
336	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
337
338	static void	386	static void
339	load_perl (pTHX_ Coro__State c)	387	load_perl (pTHX_ Coro__State c)
340	{	388	{
341	#define VAR(name,type) PL_ ## name = c->name;	389	#define VAR(name,type) PL_ ## name = c->name;
342	# include "state.h"	390	# include "state.h"
343	#undef VAR	391	#undef VAR
344		392
345	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	393	GvSV (PL_defgv) = c->defsv;
346	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	394	GvAV (PL_defgv) = c->defav;
347	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	395	GvSV (PL_errgv) = c->errsv;
348	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	396	GvSV (irsgv) = c->irssv_sv;
349
350	if (c->irssv)
351	{
352	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
353	{
354	SvREFCNT_dec (c->irssv);
355	c->irssv = 0;
356	}
357	else
358	{
359	REPLACE_SV (PL_rs, c->irssv);
360	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
361	sv_setsv (c->irssv_sv, PL_rs);
362	}
363	}
364		397
365	{	398	{
366	dSP;	399	dSP;
367	CV *cv;	400	CV *cv;
368		401
…		…
374	CvPADLIST (cv) = (AV *)POPs;	407	CvPADLIST (cv) = (AV *)POPs;
375	}	408	}
376		409
377	PUTBACK;	410	PUTBACK;
378	}	411	}
379	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
380	}	412	}
381		413
382	static void	414	static void
383	save_perl (pTHX_ Coro__State c)	415	save_perl (pTHX_ Coro__State c)
384	{	416	{
385	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
386	{	417	{
387	dSP;	418	dSP;
388	I32 cxix = cxstack_ix;	419	I32 cxix = cxstack_ix;
389	PERL_CONTEXT *ccstk = cxstack;	420	PERL_CONTEXT *ccstk = cxstack;
390	PERL_SI *top_si = PL_curstackinfo;	421	PERL_SI *top_si = PL_curstackinfo;
…		…
392	/*	423	/*
393	* the worst thing you can imagine happens first - we have to save	424	* the worst thing you can imagine happens first - we have to save
394	* (and reinitialize) all cv's in the whole callchain :(	425	* (and reinitialize) all cv's in the whole callchain :(
395	*/	426	*/
396		427
397	EXTEND (SP, 3 + 1);
398	PUSHs (Nullsv);	428	XPUSHs (Nullsv);
399	/* this loop was inspired by pp_caller */	429	/* this loop was inspired by pp_caller */
400	for (;;)	430	for (;;)
401	{	431	{
402	while (cxix >= 0)	432	while (cxix >= 0)
403	{	433	{
404	PERL_CONTEXT *cx = &ccstk[cxix--];	434	PERL_CONTEXT *cx = &ccstk[cxix--];
405		435
406	if (CxTYPE (cx) == CXt_SUB)	436	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
407	{	437	{
408	CV *cv = cx->blk_sub.cv;	438	CV *cv = cx->blk_sub.cv;
409		439
410	if (CvDEPTH (cv))	440	if (CvDEPTH (cv))
411	{	441	{
…		…
422		452
423	if (top_si->si_type == PERLSI_MAIN)	453	if (top_si->si_type == PERLSI_MAIN)
424	break;	454	break;
425		455
426	top_si = top_si->si_prev;	456	top_si = top_si->si_prev;
427	ccstk = top_si->si_cxstack;	457	ccstk = top_si->si_cxstack;
428	cxix = top_si->si_cxix;	458	cxix = top_si->si_cxix;
429	}	459	}
430		460
431	PUTBACK;	461	PUTBACK;
432	}	462	}
433		463
434	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	464	c->defav = GvAV (PL_defgv);
435	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	465	c->defsv = DEFSV;
436	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	466	c->errsv = ERRSV;
437	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	467	c->irssv_sv = GvSV (irsgv);
438	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
439		468
440	#define VAR(name,type)c->name = PL_ ## name;	469	#define VAR(name,type)c->name = PL_ ## name;
441	# include "state.h"	470	# include "state.h"
442	#undef VAR	471	#undef VAR
443	}	472	}
…		…
452	# define coro_init_stacks init_stacks	481	# define coro_init_stacks init_stacks
453	#else	482	#else
454	static void	483	static void
455	coro_init_stacks (pTHX)	484	coro_init_stacks (pTHX)
456	{	485	{
457	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	486	PL_curstackinfo = new_stackinfo(64, 6);
458	PL_curstackinfo->si_type = PERLSI_MAIN;	487	PL_curstackinfo->si_type = PERLSI_MAIN;
459	PL_curstack = PL_curstackinfo->si_stack;	488	PL_curstack = PL_curstackinfo->si_stack;
460	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	489	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
461		490
462	PL_stack_base = AvARRAY(PL_curstack);	491	PL_stack_base = AvARRAY(PL_curstack);
463	PL_stack_sp = PL_stack_base;	492	PL_stack_sp = PL_stack_base;
464	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	493	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
465		494
466	New(50,PL_tmps_stack,128,SV*);	495	New(50,PL_tmps_stack,64,SV*);
467	PL_tmps_floor = -1;	496	PL_tmps_floor = -1;
468	PL_tmps_ix = -1;	497	PL_tmps_ix = -1;
469	PL_tmps_max = 128;	498	PL_tmps_max = 64;
470		499
471	New(54,PL_markstack,32,I32);	500	New(54,PL_markstack,16,I32);
472	PL_markstack_ptr = PL_markstack;	501	PL_markstack_ptr = PL_markstack;
473	PL_markstack_max = PL_markstack + 32;	502	PL_markstack_max = PL_markstack + 16;
474		503
475	#ifdef SET_MARK_OFFSET	504	#ifdef SET_MARK_OFFSET
476	SET_MARK_OFFSET;	505	SET_MARK_OFFSET;
477	#endif	506	#endif
478		507
479	New(54,PL_scopestack,32,I32);	508	New(54,PL_scopestack,16,I32);
480	PL_scopestack_ix = 0;	509	PL_scopestack_ix = 0;
481	PL_scopestack_max = 32;	510	PL_scopestack_max = 16;
482		511
483	New(54,PL_savestack,64,ANY);	512	New(54,PL_savestack,64,ANY);
484	PL_savestack_ix = 0;	513	PL_savestack_ix = 0;
485	PL_savestack_max = 64;	514	PL_savestack_max = 64;
486		515
487	#if !PERL_VERSION_ATLEAST (5,9,0)	516	#if !PERL_VERSION_ATLEAST (5,9,0)
488	New(54,PL_retstack,16,OP*);	517	New(54,PL_retstack,4,OP*);
489	PL_retstack_ix = 0;	518	PL_retstack_ix = 0;
490	PL_retstack_max = 16;	519	PL_retstack_max = 4;
491	#endif	520	#endif
492	}	521	}
493	#endif	522	#endif
494		523
495	/*	524	/*
496	* destroy the stacks, the callchain etc...	525	* destroy the stacks, the callchain etc...
497	*/	526	*/
498	static void	527	static void
499	coro_destroy_stacks (pTHX)	528	coro_destroy_stacks (pTHX)
500	{	529	{
501	if (!IN_DESTRUCT)
502	{
503	/* restore all saved variables and stuff */
504	LEAVE_SCOPE (0);
505	assert (PL_tmps_floor == -1);
506
507	/* free all temporaries */
508	FREETMPS;
509	assert (PL_tmps_ix == -1);
510
511	/* unwind all extra stacks */
512	POPSTACK_TO (PL_mainstack);
513
514	/* unwind main stack */
515	dounwind (-1);
516	}
517
518	while (PL_curstackinfo->si_next)	530	while (PL_curstackinfo->si_next)
519	PL_curstackinfo = PL_curstackinfo->si_next;	531	PL_curstackinfo = PL_curstackinfo->si_next;
520		532
521	while (PL_curstackinfo)	533	while (PL_curstackinfo)
522	{	534	{
…		…
537	#if !PERL_VERSION_ATLEAST (5,9,0)	549	#if !PERL_VERSION_ATLEAST (5,9,0)
538	Safefree (PL_retstack);	550	Safefree (PL_retstack);
539	#endif	551	#endif
540	}	552	}
541		553
		554	static size_t
		555	coro_rss (pTHX_ struct coro *coro)
		556	{
		557	size_t rss = sizeof (*coro);
		558
		559	if (coro->mainstack)
		560	{
		561	if (coro->flags & CF_RUNNING)
		562	{
		563	#define VAR(name,type)coro->name = PL_ ## name;
		564	# include "state.h"
		565	#undef VAR
		566	}
		567
		568	rss += sizeof (coro->curstackinfo);
		569	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		570	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		571	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		572	rss += coro->tmps_max * sizeof (SV *);
		573	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		574	rss += coro->scopestack_max * sizeof (I32);
		575	rss += coro->savestack_max * sizeof (ANY);
		576
		577	#if !PERL_VERSION_ATLEAST (5,9,0)
		578	rss += coro->retstack_max * sizeof (OP *);
		579	#endif
		580	}
		581
		582	return rss;
		583	}
		584
542	/ coroutine stack handling **********************************************/	585	/ coroutine stack handling **********************************************/
543		586
544	static void	587	static void
545	setup_coro (pTHX_ struct coro *coro)	588	coro_setup (pTHX_ struct coro *coro)
546	{	589	{
547	/*	590	/*
548	* emulate part of the perl startup here.	591	* emulate part of the perl startup here.
549	*/	592	*/
550	coro_init_stacks (aTHX);	593	coro_init_stacks (aTHX);
551		594
		595	PL_runops = RUNOPS_DEFAULT;
552	PL_curcop = &PL_compiling;	596	PL_curcop = &PL_compiling;
553	PL_in_eval = EVAL_NULL;	597	PL_in_eval = EVAL_NULL;
554	PL_comppad = 0;	598	PL_comppad = 0;
555	PL_curpm = 0;	599	PL_curpm = 0;
556	PL_localizing = 0;	600	PL_localizing = 0;
557	PL_dirty = 0;	601	PL_dirty = 0;
558	PL_restartop = 0;	602	PL_restartop = 0;
		603
		604	GvSV (PL_defgv) = NEWSV (0, 0);
		605	GvAV (PL_defgv) = coro->args; coro->args = 0;
		606	GvSV (PL_errgv) = NEWSV (0, 0);
		607	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		608	PL_rs = newSVsv (GvSV (irsgv));
		609	PL_defoutgv = SvREFCNT_inc (stdoutgv);
559		610
560	{	611	{
561	dSP;	612	dSP;
562	LOGOP myop;	613	LOGOP myop;
563
564	SvREFCNT_dec (GvAV (PL_defgv));
565	GvAV (PL_defgv) = coro->args; coro->args = 0;
566		614
567	Zero (&myop, 1, LOGOP);	615	Zero (&myop, 1, LOGOP);
568	myop.op_next = Nullop;	616	myop.op_next = Nullop;
569	myop.op_flags = OPf_WANT_VOID;	617	myop.op_flags = OPf_WANT_VOID;
570		618
…		…
578		626
579	ENTER; /* necessary e.g. for dounwind */	627	ENTER; /* necessary e.g. for dounwind */
580	}	628	}
581		629
582	static void	630	static void
		631	coro_destroy (pTHX_ struct coro *coro)
		632	{
		633	if (!IN_DESTRUCT)
		634	{
		635	/* restore all saved variables and stuff */
		636	LEAVE_SCOPE (0);
		637	assert (PL_tmps_floor == -1);
		638
		639	/* free all temporaries */
		640	FREETMPS;
		641	assert (PL_tmps_ix == -1);
		642
		643	/* unwind all extra stacks */
		644	POPSTACK_TO (PL_mainstack);
		645
		646	/* unwind main stack */
		647	dounwind (-1);
		648	}
		649
		650	SvREFCNT_dec (GvSV (PL_defgv));
		651	SvREFCNT_dec (GvAV (PL_defgv));
		652	SvREFCNT_dec (GvSV (PL_errgv));
		653	SvREFCNT_dec (PL_defoutgv);
		654	SvREFCNT_dec (PL_rs);
		655	SvREFCNT_dec (GvSV (irsgv));
		656
		657	SvREFCNT_dec (coro->saved_deffh);
		658	//SvREFCNT_dec (coro->throw);
		659
		660	coro_destroy_stacks (aTHX);
		661	}
		662
		663	static void
583	free_coro_mortal (pTHX)	664	free_coro_mortal (pTHX)
584	{	665	{
585	if (coro_mortal)	666	if (coro_mortal)
586	{	667	{
587	SvREFCNT_dec (coro_mortal);	668	SvREFCNT_dec (coro_mortal);
588	coro_mortal = 0;	669	coro_mortal = 0;
589	}	670	}
590	}	671	}
591		672
		673	static int
		674	runops_trace (pTHX)
		675	{
		676	COP *oldcop = 0;
		677	int oldcxix = -2;
		678	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		679	coro_cctx *cctx = coro->cctx;
		680
		681	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		682	{
		683	PERL_ASYNC_CHECK ();
		684
		685	if (cctx->flags & CC_TRACE_ALL)
		686	{
		687	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		688	{
		689	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		690	SV bot, top;
		691	AV av = newAV (); / return values */
		692	SV **cb;
		693	dSP;
		694
		695	GV *gv = CvGV (cx->blk_sub.cv);
		696	SV *fullname = sv_2mortal (newSV (0));
		697	if (isGV (gv))
		698	gv_efullname3 (fullname, gv, 0);
		699
		700	bot = PL_stack_base + cx->blk_oldsp + 1;
		701	top = cx->blk_gimme == G_ARRAY ? SP + 1
		702	: cx->blk_gimme == G_SCALAR ? bot + 1
		703	: bot;
		704
		705	while (bot < top)
		706	av_push (av, SvREFCNT_inc (*bot++));
		707
		708	PL_runops = RUNOPS_DEFAULT;
		709	ENTER;
		710	SAVETMPS;
		711	EXTEND (SP, 3);
		712	PUSHMARK (SP);
		713	PUSHs (&PL_sv_no);
		714	PUSHs (fullname);
		715	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		716	PUTBACK;
		717	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		718	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		719	SPAGAIN;
		720	FREETMPS;
		721	LEAVE;
		722	PL_runops = runops_trace;
		723	}
		724
		725	if (oldcop != PL_curcop)
		726	{
		727	oldcop = PL_curcop;
		728
		729	if (PL_curcop != &PL_compiling)
		730	{
		731	SV **cb;
		732
		733	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		734	{
		735	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		736
		737	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		738	{
		739	runops_proc_t old_runops = PL_runops;
		740	dSP;
		741	GV *gv = CvGV (cx->blk_sub.cv);
		742	SV *fullname = sv_2mortal (newSV (0));
		743
		744	if (isGV (gv))
		745	gv_efullname3 (fullname, gv, 0);
		746
		747	PL_runops = RUNOPS_DEFAULT;
		748	ENTER;
		749	SAVETMPS;
		750	EXTEND (SP, 3);
		751	PUSHMARK (SP);
		752	PUSHs (&PL_sv_yes);
		753	PUSHs (fullname);
		754	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		755	PUTBACK;
		756	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		757	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		758	SPAGAIN;
		759	FREETMPS;
		760	LEAVE;
		761	PL_runops = runops_trace;
		762	}
		763
		764	oldcxix = cxstack_ix;
		765	}
		766
		767	if (cctx->flags & CC_TRACE_LINE)
		768	{
		769	dSP;
		770
		771	PL_runops = RUNOPS_DEFAULT;
		772	ENTER;
		773	SAVETMPS;
		774	EXTEND (SP, 3);
		775	PL_runops = RUNOPS_DEFAULT;
		776	PUSHMARK (SP);
		777	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		778	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		779	PUTBACK;
		780	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		781	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		782	SPAGAIN;
		783	FREETMPS;
		784	LEAVE;
		785	PL_runops = runops_trace;
		786	}
		787	}
		788	}
		789	}
		790	}
		791
		792	TAINT_NOT;
		793	return 0;
		794	}
		795
592	/* inject a fake call to Coro::State::_cctx_init into the execution */	796	/* inject a fake call to Coro::State::_cctx_init into the execution */
593	/* _cctx_init shoukld be careful, as it could be called at almost any time */	797	/* _cctx_init should be careful, as it could be called at almost any time */
594	/* during execution of a pelr program */	798	/* during execution of a perl program */
595	static void NOINLINE	799	static void NOINLINE
596	prepare_cctx (pTHX_ coro_cctx *cctx)	800	prepare_cctx (pTHX_ coro_cctx *cctx)
597	{	801	{
598	dSP;	802	dSP;
599	LOGOP myop;	803	LOGOP myop;
		804
		805	PL_top_env = &PL_start_env;
		806
		807	if (cctx->flags & CC_TRACE)
		808	PL_runops = runops_trace;
600		809
601	Zero (&myop, 1, LOGOP);	810	Zero (&myop, 1, LOGOP);
602	myop.op_next = PL_op;	811	myop.op_next = PL_op;
603	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	812	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
604		813
…		…
621	dTHX;	830	dTHX;
622		831
623	/* coro_run is the alternative tail of transfer(), so unlock here. */	832	/* coro_run is the alternative tail of transfer(), so unlock here. */
624	UNLOCK;	833	UNLOCK;
625		834
626	PL_top_env = &PL_start_env;	835	/* we now skip the entersub that lead to transfer() */
		836	PL_op = PL_op->op_next;
627		837
628	/* inject a fake subroutine call to cctx_init */	838	/* inject a fake subroutine call to cctx_init */
629	prepare_cctx (aTHX_ (coro_cctx *)arg);	839	prepare_cctx (aTHX_ (coro_cctx *)arg);
630		840
631	/* somebody or something will hit me for both perl_run and PL_restartop */	841	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
665	# if CORO_STACKGUARD	875	# if CORO_STACKGUARD
666	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	876	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
667	# endif	877	# endif
668	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	878	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
669	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	879	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
670	cctx->mapped = 1;	880	cctx->flags \|= CC_MAPPED;
671	}	881	}
672	else	882	else
673	#endif	883	#endif
674	{	884	{
675	cctx->ssize = coro_stacksize * (long)sizeof (long);	885	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
702	#if CORO_USE_VALGRIND	912	#if CORO_USE_VALGRIND
703	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	913	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
704	#endif	914	#endif
705		915
706	#if HAVE_MMAP	916	#if HAVE_MMAP
707	if (cctx->mapped)	917	if (cctx->flags & CC_MAPPED)
708	munmap (cctx->sptr, cctx->ssize);	918	munmap (cctx->sptr, cctx->ssize);
709	else	919	else
710	#endif	920	#endif
711	Safefree (cctx->sptr);	921	Safefree (cctx->sptr);
712		922
…		…
720	{	930	{
721	coro_cctx *cctx = cctx_first;	931	coro_cctx *cctx = cctx_first;
722	cctx_first = cctx->next;	932	cctx_first = cctx->next;
723	--cctx_idle;	933	--cctx_idle;
724		934
725	if (cctx->ssize >= coro_stacksize)	935	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
726	return cctx;	936	return cctx;
727		937
728	cctx_destroy (cctx);	938	cctx_destroy (cctx);
729	}	939	}
730		940
731	PL_op = PL_op->op_next;
732	return cctx_new ();	941	return cctx_new ();
733	}	942	}
734		943
735	static void	944	static void
736	cctx_put (coro_cctx *cctx)	945	cctx_put (coro_cctx *cctx)
…		…
740	{	949	{
741	coro_cctx *first = cctx_first;	950	coro_cctx *first = cctx_first;
742	cctx_first = first->next;	951	cctx_first = first->next;
743	--cctx_idle;	952	--cctx_idle;
744		953
745	assert (!first->inuse);
746	cctx_destroy (first);	954	cctx_destroy (first);
747	}	955	}
748		956
749	++cctx_idle;	957	++cctx_idle;
750	cctx->next = cctx_first;	958	cctx->next = cctx_first;
751	cctx_first = cctx;	959	cctx_first = cctx;
752	}	960	}
753		961
754	/ coroutine switching ***************************************************/	962	/ coroutine switching ***************************************************/
755		963
756	/* never call directly, always through the coro_state_transfer global variable */	964	static void NOINLINE
		965	transfer_check (pTHX_ struct coro prev, struct coro next)
		966	{
		967	if (prev != next)
		968	{
		969	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		970	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		971
		972	if (next->flags & CF_RUNNING)
		973	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		974
		975	if (next->flags & CF_DESTROYED)
		976	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		977
		978	if (PL_lex_state != LEX_NOTPARSING)
		979	croak ("Coro::State::transfer called while parsing, but this is not supported");
		980	}
		981	}
		982
		983	/* always use the TRANSFER macro */
757	static void NOINLINE	984	static void NOINLINE
758	transfer (pTHX_ struct coro prev, struct coro next)	985	transfer (pTHX_ struct coro prev, struct coro next)
759	{	986	{
760	dSTACKLEVEL;	987	dSTACKLEVEL;
761		988
…		…
771		998
772	if (prev->flags & CF_NEW)	999	if (prev->flags & CF_NEW)
773	{	1000	{
774	/* create a new empty context */	1001	/* create a new empty context */
775	Newz (0, prev->cctx, 1, coro_cctx);	1002	Newz (0, prev->cctx, 1, coro_cctx);
776	prev->cctx->inuse = 1;
777	prev->flags &= ~CF_NEW;	1003	prev->flags &= ~CF_NEW;
778	prev->flags \|= CF_RUNNING;	1004	prev->flags \|= CF_RUNNING;
779	}	1005	}
780
781	/TODO: must not croak here /
782	if (!prev->flags & CF_RUNNING)
783	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
784
785	if (next->flags & CF_RUNNING)
786	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
787
788	if (next->flags & CF_DESTROYED)
789	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
790		1006
791	prev->flags &= ~CF_RUNNING;	1007	prev->flags &= ~CF_RUNNING;
792	next->flags \|= CF_RUNNING;	1008	next->flags \|= CF_RUNNING;
793		1009
794	LOCK;	1010	LOCK;
…		…
798	/* need to start coroutine */	1014	/* need to start coroutine */
799	next->flags &= ~CF_NEW;	1015	next->flags &= ~CF_NEW;
800	/* first get rid of the old state */	1016	/* first get rid of the old state */
801	save_perl (aTHX_ prev);	1017	save_perl (aTHX_ prev);
802	/* setup coroutine call */	1018	/* setup coroutine call */
803	setup_coro (aTHX_ next);	1019	coro_setup (aTHX_ next);
804	/* need a new stack */
805	assert (!next->cctx);
806	}	1020	}
807	else	1021	else
808	{	1022	{
809	/* coroutine already started */	1023	/* coroutine already started */
810	save_perl (aTHX_ prev);	1024	save_perl (aTHX_ prev);
…		…
812	}	1026	}
813		1027
814	prev__cctx = prev->cctx;	1028	prev__cctx = prev->cctx;
815		1029
816	/* possibly "free" the cctx */	1030	/* possibly "free" the cctx */
817	if (prev__cctx->idle_sp == STACKLEVEL)	1031	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
818	{	1032	{
819	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1033	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
820	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1034	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
821		1035
822	prev->cctx = 0;	1036	prev->cctx = 0;
823		1037
824	cctx_put (prev__cctx);	1038	cctx_put (prev__cctx);
825	prev__cctx->inuse = 0;
826	}	1039	}
827		1040
		1041	++next->usecount;
		1042
828	if (!next->cctx)	1043	if (!next->cctx)
829	{
830	next->cctx = cctx_get (aTHX);	1044	next->cctx = cctx_get (aTHX);
831	assert (!next->cctx->inuse);
832	next->cctx->inuse = 1;
833	}
834		1045
835	if (prev__cctx != next->cctx)	1046	if (prev__cctx != next->cctx)
836	{	1047	{
837	prev__cctx->top_env = PL_top_env;	1048	prev__cctx->top_env = PL_top_env;
838	PL_top_env = next->cctx->top_env;	1049	PL_top_env = next->cctx->top_env;
…		…
848	{	1059	{
849	struct coro prev, next;	1060	struct coro prev, next;
850	};	1061	};
851		1062
852	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1063	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1064	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
853		1065
854	/ high level stuff ******************************************************/	1066	/ high level stuff ******************************************************/
855		1067
856	static int	1068	static int
857	coro_state_destroy (pTHX_ struct coro *coro)	1069	coro_state_destroy (pTHX_ struct coro *coro)
…		…
874		1086
875	if (coro->mainstack && coro->mainstack != main_mainstack)	1087	if (coro->mainstack && coro->mainstack != main_mainstack)
876	{	1088	{
877	struct coro temp;	1089	struct coro temp;
878		1090
879	assert (!(coro->flags & CF_RUNNING));
880
881	Zero (&temp, 1, struct coro);
882	temp.save = CORO_SAVE_DEF;
883
884	if (coro->flags & CF_RUNNING)	1091	if (coro->flags & CF_RUNNING)
885	croak ("FATAL: tried to destroy currently running coroutine");	1092	croak ("FATAL: tried to destroy currently running coroutine");
886		1093
887	save_perl (aTHX_ &temp);	1094	save_perl (aTHX_ &temp);
888	load_perl (aTHX_ coro);	1095	load_perl (aTHX_ coro);
889		1096
890	coro_destroy_stacks (aTHX);	1097	coro_destroy (aTHX_ coro);
891		1098
892	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1099	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
893		1100
894	coro->mainstack = 0;	1101	coro->mainstack = 0;
895	}	1102	}
896		1103
897	cctx_destroy (coro->cctx);	1104	cctx_destroy (coro->cctx);
898	SvREFCNT_dec (coro->args);	1105	SvREFCNT_dec (coro->args);
899		1106
		1107	if (coro->next) coro->next->prev = coro->prev;
		1108	if (coro->prev) coro->prev->next = coro->next;
		1109	if (coro == coro_first) coro_first = coro->next;
		1110
900	return 1;	1111	return 1;
901	}	1112	}
902		1113
903	static int	1114	static int
904	coro_state_free (pTHX_ SV sv, MAGIC mg)	1115	coro_state_free (pTHX_ SV sv, MAGIC mg)
905	{	1116	{
906	struct coro coro = (struct coro )mg->mg_ptr;	1117	struct coro coro = (struct coro )mg->mg_ptr;
907	mg->mg_ptr = 0;	1118	mg->mg_ptr = 0;
		1119
		1120	coro->hv = 0;
908		1121
909	if (--coro->refcnt < 0)	1122	if (--coro->refcnt < 0)
910	{	1123	{
911	coro_state_destroy (aTHX_ coro);	1124	coro_state_destroy (aTHX_ coro);
912	Safefree (coro);	1125	Safefree (coro);
…		…
934	#else	1147	#else
935	# define MGf_DUP 0	1148	# define MGf_DUP 0
936	#endif	1149	#endif
937	};	1150	};
938		1151
939	static struct coro *
940	SvSTATE_ (pTHX_ SV *coro)
941	{
942	HV *stash;
943	MAGIC *mg;
944
945	if (SvROK (coro))
946	coro = SvRV (coro);
947
948	stash = SvSTASH (coro);
949	if (stash != coro_stash && stash != coro_state_stash)
950	{
951	/* very slow, but rare, check */
952	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
953	croak ("Coro::State object required");
954	}
955
956	mg = CORO_MAGIC (coro);
957	return (struct coro *)mg->mg_ptr;
958	}
959
960	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
961
962	static void	1152	static void
963	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1153	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
964	{	1154	{
965	ta->prev = SvSTATE (prev_sv);	1155	ta->prev = SvSTATE (prev_sv);
966	ta->next = SvSTATE (next_sv);	1156	ta->next = SvSTATE (next_sv);
		1157	TRANSFER_CHECK (*ta);
967	}	1158	}
968		1159
969	static void	1160	static void
970	api_transfer (SV prev_sv, SV next_sv)	1161	api_transfer (SV prev_sv, SV next_sv)
971	{	1162	{
972	dTHX;	1163	dTHX;
973	struct transfer_args ta;	1164	struct transfer_args ta;
974		1165
975	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1166	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
976	TRANSFER (ta);	1167	TRANSFER (ta);
977	}
978
979	static int
980	api_save (SV *coro_sv, int new_save)
981	{
982	dTHX;
983	struct coro *coro = SvSTATE (coro_sv);
984	int old_save = coro->save;
985
986	if (new_save >= 0)
987	coro->save = new_save;
988
989	return old_save;
990	}	1168	}
991		1169
992	/ Coro ******************************************************************/	1170	/ Coro ******************************************************************/
993		1171
994	static void	1172	static void
…		…
1088	break;	1266	break;
1089	}	1267	}
1090		1268
1091	/* free this only after the transfer */	1269	/* free this only after the transfer */
1092	prev_sv = SvRV (coro_current);	1270	prev_sv = SvRV (coro_current);
1093	SvRV_set (coro_current, next_sv);
1094	ta->prev = SvSTATE (prev_sv);	1271	ta->prev = SvSTATE (prev_sv);
1095		1272	TRANSFER_CHECK (*ta);
1096	assert (ta->next->flags & CF_READY);	1273	assert (ta->next->flags & CF_READY);
1097	ta->next->flags &= ~CF_READY;	1274	ta->next->flags &= ~CF_READY;
		1275	SvRV_set (coro_current, next_sv);
1098		1276
1099	LOCK;	1277	LOCK;
1100	free_coro_mortal (aTHX);	1278	free_coro_mortal (aTHX);
1101	coro_mortal = prev_sv;	1279	coro_mortal = prev_sv;
1102	UNLOCK;	1280	UNLOCK;
…		…
1163	}	1341	}
1164	else	1342	else
1165	return 0;	1343	return 0;
1166	}	1344	}
1167		1345
		1346	static void
		1347	api_trace (SV *coro_sv, int flags)
		1348	{
		1349	dTHX;
		1350	struct coro *coro = SvSTATE (coro_sv);
		1351
		1352	if (flags & CC_TRACE)
		1353	{
		1354	if (!coro->cctx)
		1355	coro->cctx = cctx_new ();
		1356	else if (!(coro->cctx->flags & CC_TRACE))
		1357	croak ("cannot enable tracing on coroutine with custom stack");
		1358
		1359	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1360	}
		1361	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1362	{
		1363	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1364
		1365	if (coro->flags & CF_RUNNING)
		1366	PL_runops = RUNOPS_DEFAULT;
		1367	else
		1368	coro->runops = RUNOPS_DEFAULT;
		1369	}
		1370	}
		1371
1168	MODULE = Coro::State PACKAGE = Coro::State	1372	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1169		1373
1170	PROTOTYPES: DISABLE	1374	PROTOTYPES: DISABLE
1171		1375
1172	BOOT:	1376	BOOT:
1173	{	1377	{
1174	#ifdef USE_ITHREADS	1378	#ifdef USE_ITHREADS
1175	MUTEX_INIT (&coro_mutex);	1379	MUTEX_INIT (&coro_mutex);
1176	#endif	1380	#endif
1177	BOOT_PAGESIZE;	1381	BOOT_PAGESIZE;
1178		1382
		1383	irsgv = gv_fetchpv ("/" , GV_ADD, SVt_PV);
		1384	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD, SVt_PVIO);
		1385
1179	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1386	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1180		1387
1181	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1388	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1182	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1389	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1183	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1184	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1185	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1186	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1390	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1187	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1391	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1188		1392
1189	main_mainstack = PL_mainstack;	1393	main_mainstack = PL_mainstack;
1190	main_top_env = PL_top_env;	1394	main_top_env = PL_top_env;
1191		1395
1192	while (main_top_env->je_prev)	1396	while (main_top_env->je_prev)
…		…
1205	struct coro *coro;	1409	struct coro *coro;
1206	HV *hv;	1410	HV *hv;
1207	int i;	1411	int i;
1208		1412
1209	Newz (0, coro, 1, struct coro);	1413	Newz (0, coro, 1, struct coro);
1210	coro->args = newAV ();	1414	coro->args = newAV ();
1211	coro->save = CORO_SAVE_DEF;
1212	coro->flags = CF_NEW;	1415	coro->flags = CF_NEW;
1213		1416
		1417	if (coro_first) coro_first->prev = coro;
		1418	coro->next = coro_first;
		1419	coro_first = coro;
		1420
1214	hv = newHV ();	1421	coro->hv = hv = newHV ();
1215	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1422	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1216	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1423	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1217		1424
1218	for (i = 1; i < items; i++)	1425	for (i = 1; i < items; i++)
1219	av_push (coro->args, newSVsv (ST (i)));	1426	av_push (coro->args, newSVsv (ST (i)));
1220	}	1427	}
1221	OUTPUT:	1428	OUTPUT:
1222	RETVAL	1429	RETVAL
1223		1430
1224	int	1431	# these not obviously related functions are all rolled into the same xs
1225	save (SV *coro, int new_save = -1)	1432	# function to increase chances that they all will call transfer with the same
1226	CODE:	1433	# stack offset
1227	RETVAL = api_save (coro, new_save);
1228	OUTPUT:
1229	RETVAL
1230
1231	int
1232	save_also (SV *coro_sv, int save_also)
1233	CODE:
1234	{
1235	struct coro *coro = SvSTATE (coro_sv);
1236	RETVAL = coro->save;
1237	coro->save \|= save_also;
1238	}
1239	OUTPUT:
1240	RETVAL
1241
1242	void	1434	void
1243	_set_stacklevel (...)	1435	_set_stacklevel (...)
1244	ALIAS:	1436	ALIAS:
1245	Coro::State::transfer = 1	1437	Coro::State::transfer = 1
1246	Coro::schedule = 2	1438	Coro::schedule = 2
…		…
1321	CODE:	1513	CODE:
1322	RETVAL = cctx_idle;	1514	RETVAL = cctx_idle;
1323	OUTPUT:	1515	OUTPUT:
1324	RETVAL	1516	RETVAL
1325		1517
		1518	void
		1519	list ()
		1520	PPCODE:
		1521	{
		1522	struct coro *coro;
		1523	for (coro = coro_first; coro; coro = coro->next)
		1524	if (coro->hv)
		1525	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1526	}
		1527
		1528	void
		1529	call (Coro::State coro, SV *coderef)
		1530	ALIAS:
		1531	eval = 1
		1532	CODE:
		1533	{
		1534	if (coro->mainstack)
		1535	{
		1536	struct coro temp;
		1537	Zero (&temp, 1, struct coro);
		1538
		1539	if (!(coro->flags & CF_RUNNING))
		1540	{
		1541	save_perl (aTHX_ &temp);
		1542	load_perl (aTHX_ coro);
		1543	}
		1544
		1545	{
		1546	dSP;
		1547	ENTER;
		1548	SAVETMPS;
		1549	PUSHMARK (SP);
		1550	PUTBACK;
		1551	if (ix)
		1552	eval_sv (coderef, 0);
		1553	else
		1554	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1555	SPAGAIN;
		1556	FREETMPS;
		1557	LEAVE;
		1558	PUTBACK;
		1559	}
		1560
		1561	if (!(coro->flags & CF_RUNNING))
		1562	{
		1563	save_perl (aTHX_ coro);
		1564	load_perl (aTHX_ &temp);
		1565	}
		1566	}
		1567	}
		1568
		1569	SV *
		1570	is_ready (Coro::State coro)
		1571	PROTOTYPE: $
		1572	ALIAS:
		1573	is_ready = CF_READY
		1574	is_running = CF_RUNNING
		1575	is_new = CF_NEW
		1576	is_destroyed = CF_DESTROYED
		1577	CODE:
		1578	RETVAL = boolSV (coro->flags & ix);
		1579	OUTPUT:
		1580	RETVAL
		1581
		1582	void
		1583	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1584
		1585	SV *
		1586	has_stack (Coro::State coro)
		1587	PROTOTYPE: $
		1588	CODE:
		1589	RETVAL = boolSV (!!coro->cctx);
		1590	OUTPUT:
		1591	RETVAL
		1592
		1593	int
		1594	is_traced (Coro::State coro)
		1595	PROTOTYPE: $
		1596	CODE:
		1597	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1598	OUTPUT:
		1599	RETVAL
		1600
		1601	IV
		1602	rss (Coro::State coro)
		1603	PROTOTYPE: $
		1604	ALIAS:
		1605	usecount = 1
		1606	CODE:
		1607	switch (ix)
		1608	{
		1609	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1610	case 1: RETVAL = coro->usecount; break;
		1611	}
		1612	OUTPUT:
		1613	RETVAL
		1614
		1615
1326	MODULE = Coro::State PACKAGE = Coro	1616	MODULE = Coro::State PACKAGE = Coro
1327		1617
1328	BOOT:	1618	BOOT:
1329	{	1619	{
1330	int i;	1620	int i;
		1621
		1622	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1623	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1624	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1625
		1626	coro_current = get_sv ("Coro::current", FALSE);
		1627	SvREADONLY_on (coro_current);
1331		1628
1332	coro_stash = gv_stashpv ("Coro", TRUE);	1629	coro_stash = gv_stashpv ("Coro", TRUE);
1333		1630
1334	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1631	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1335	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1632	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1336	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1633	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1337	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1634	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1338	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1635	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1339	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1636	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1340		1637
1341	coro_current = get_sv ("Coro::current", FALSE);
1342	SvREADONLY_on (coro_current);
1343
1344	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1638	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1345	coro_ready[i] = newAV ();	1639	coro_ready[i] = newAV ();
1346		1640
1347	{	1641	{
1348	SV *sv = perl_get_sv("Coro::API", 1);	1642	SV *sv = perl_get_sv("Coro::API", 1);
1349		1643
1350	coroapi.schedule = api_schedule;	1644	coroapi.schedule = api_schedule;
1351	coroapi.save = api_save;
1352	coroapi.cede = api_cede;	1645	coroapi.cede = api_cede;
1353	coroapi.cede_notself = api_cede_notself;	1646	coroapi.cede_notself = api_cede_notself;
1354	coroapi.ready = api_ready;	1647	coroapi.ready = api_ready;
1355	coroapi.is_ready = api_is_ready;	1648	coroapi.is_ready = api_is_ready;
1356	coroapi.nready = &coro_nready;	1649	coroapi.nready = &coro_nready;
…		…
1397	CODE:	1690	CODE:
1398	RETVAL = boolSV (api_ready (self));	1691	RETVAL = boolSV (api_ready (self));
1399	OUTPUT:	1692	OUTPUT:
1400	RETVAL	1693	RETVAL
1401		1694
1402	SV *
1403	is_ready (SV *self)
1404	PROTOTYPE: $
1405	CODE:
1406	RETVAL = boolSV (api_is_ready (self));
1407	OUTPUT:
1408	RETVAL
1409
1410	int	1695	int
1411	nready (...)	1696	nready (...)
1412	PROTOTYPE:	1697	PROTOTYPE:
1413	CODE:	1698	CODE:
1414	RETVAL = coro_nready;	1699	RETVAL = coro_nready;
1415	OUTPUT:	1700	OUTPUT:
1416	RETVAL	1701	RETVAL
1417		1702
		1703	# for async_pool speedup
		1704	void
		1705	_pool_1 (SV *cb)
		1706	CODE:
		1707	{
		1708	struct coro *coro = SvSTATE (coro_current);
		1709	HV hv = (HV )SvRV (coro_current);
		1710	AV *defav = GvAV (PL_defgv);
		1711	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1712	AV *invoke_av;
		1713	int i, len;
		1714
		1715	if (!invoke)
		1716	croak ("\3terminate\2\n");
		1717
		1718	SvREFCNT_dec (coro->saved_deffh);
		1719	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1720
		1721	hv_store (hv, "desc", sizeof ("desc") - 1,
		1722	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1723
		1724	invoke_av = (AV *)SvRV (invoke);
		1725	len = av_len (invoke_av);
		1726
		1727	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1728
		1729	if (len > 0)
		1730	{
		1731	av_fill (defav, len - 1);
		1732	for (i = 0; i < len; ++i)
		1733	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1734	}
		1735
		1736	SvREFCNT_dec (invoke);
		1737	}
		1738
		1739	void
		1740	_pool_2 (SV *cb)
		1741	CODE:
		1742	{
		1743	struct coro *coro = SvSTATE (coro_current);
		1744
		1745	sv_setsv (cb, &PL_sv_undef);
		1746
		1747	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1748	coro->saved_deffh = 0;
		1749
		1750	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1751	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1752	croak ("\3terminate\2\n");
		1753
		1754	av_clear (GvAV (PL_defgv));
		1755	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1756	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1757
		1758	coro->prio = 0;
		1759
		1760	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1761	api_trace (coro_current, 0);
		1762
		1763	av_push (av_async_pool, newSVsv (coro_current));
		1764	}
		1765
		1766
1418	MODULE = Coro::State PACKAGE = Coro::AIO	1767	MODULE = Coro::State PACKAGE = Coro::AIO
1419		1768
1420	SV *	1769	SV *
1421	_get_state ()	1770	_get_state ()
1422	CODE:	1771	CODE:

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC vs. Revision 1.189 by root, Fri Oct 5 20:38:43 2007 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC vs.
Revision 1.189 by root, Fri Oct 5 20:38:43 2007 UTC