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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC vs.
Revision 1.180 by root, Wed Oct 3 17:12:20 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	IO 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 switches to this coro */
		207
191	/* coro process data */	208	/* coro process data */
192	int prio;	209	int prio;
193		210
194	/* linked list */	211	/* linked list */
195	struct coro next, prev;	212	struct coro next, prev;
…		…
210		227
211	/* for Coro.pm */	228	/* for Coro.pm */
212	static SV *coro_current;	229	static SV *coro_current;
213	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	230	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
214	static int coro_nready;	231	static int coro_nready;
215	static struct coro *first;	232	static struct coro *coro_first;
216		233
217	/ lowlevel stuff ********************************************************/	234	/ lowlevel stuff ********************************************************/
218		235
219	static AV *	236	static AV *
220	coro_clone_padlist (pTHX_ CV *cv)	237	coro_clone_padlist (pTHX_ CV *cv)
…		…
285	SvMAGIC (cv) \	302	SvMAGIC (cv) \
286	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	303	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287	? SvMAGIC (cv) \	304	? SvMAGIC (cv) \
288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	305	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
289	: 0	306	: 0
		307
		308	static struct coro *
		309	SvSTATE_ (pTHX_ SV *coro)
		310	{
		311	HV *stash;
		312	MAGIC *mg;
		313
		314	if (SvROK (coro))
		315	coro = SvRV (coro);
		316
		317	if (SvTYPE (coro) != SVt_PVHV)
		318	croak ("Coro::State object required");
		319
		320	stash = SvSTASH (coro);
		321	if (stash != coro_stash && stash != coro_state_stash)
		322	{
		323	/* very slow, but rare, check */
		324	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		325	croak ("Coro::State object required");
		326	}
		327
		328	mg = CORO_MAGIC (coro);
		329	return (struct coro *)mg->mg_ptr;
		330	}
		331
		332	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290		333
291	/* the next two functions merely cache the padlists */	334	/* the next two functions merely cache the padlists */
292	static void	335	static void
293	get_padlist (pTHX_ CV *cv)	336	get_padlist (pTHX_ CV *cv)
294	{	337	{
…		…
333	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	376	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334	}	377	}
335		378
336	/ load & save, init *****************************************************/	379	/ load & save, init *****************************************************/
337		380
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	381	static void
344	load_perl (pTHX_ Coro__State c)	382	load_perl (pTHX_ Coro__State c)
345	{	383	{
346	#define VAR(name,type) PL_ ## name = c->name;	384	#define VAR(name,type) PL_ ## name = c->name;
347	# include "state.h"	385	# include "state.h"
348	#undef VAR	386	#undef VAR
349		387
350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	388	GvSV (PL_defgv) = c->defsv;
351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	389	GvAV (PL_defgv) = c->defav;
352	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	390	GvSV (PL_errgv) = c->errsv;
353	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	391	PL_defoutgv = c->deffh;
354		392	PL_rs = c->irssv;
355	if (c->irssv)	393	GvSV (irsgv) = c->irssv_sv;
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		394
370	{	395	{
371	dSP;	396	dSP;
372	CV *cv;	397	CV *cv;
373		398
…		…
395	/*	420	/*
396	* the worst thing you can imagine happens first - we have to save	421	* the worst thing you can imagine happens first - we have to save
397	* (and reinitialize) all cv's in the whole callchain :(	422	* (and reinitialize) all cv's in the whole callchain :(
398	*/	423	*/
399		424
400	EXTEND (SP, 3 + 1);
401	PUSHs (Nullsv);	425	XPUSHs (Nullsv);
402	/* this loop was inspired by pp_caller */	426	/* this loop was inspired by pp_caller */
403	for (;;)	427	for (;;)
404	{	428	{
405	while (cxix >= 0)	429	while (cxix >= 0)
406	{	430	{
…		…
425		449
426	if (top_si->si_type == PERLSI_MAIN)	450	if (top_si->si_type == PERLSI_MAIN)
427	break;	451	break;
428		452
429	top_si = top_si->si_prev;	453	top_si = top_si->si_prev;
430	ccstk = top_si->si_cxstack;	454	ccstk = top_si->si_cxstack;
431	cxix = top_si->si_cxix;	455	cxix = top_si->si_cxix;
432	}	456	}
433		457
434	PUTBACK;	458	PUTBACK;
435	}	459	}
436		460
437	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	461	c->defav = GvAV (PL_defgv);
438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	462	c->defsv = DEFSV;
439	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	463	c->errsv = ERRSV;
440	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	464	c->deffh = PL_defoutgv;
441	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	465	c->irssv = PL_rs;
		466	c->irssv_sv = GvSV (irsgv);
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	{
…		…
540	#if !PERL_VERSION_ATLEAST (5,9,0)	548	#if !PERL_VERSION_ATLEAST (5,9,0)
541	Safefree (PL_retstack);	549	Safefree (PL_retstack);
542	#endif	550	#endif
543	}	551	}
544		552
		553	static size_t
		554	coro_rss (pTHX_ struct coro *coro)
		555	{
		556	size_t rss = sizeof (coro);
		557
		558	if (coro->mainstack)
		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
		567	rss += sizeof (coro->curstackinfo);
		568	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		569	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		571	rss += coro->tmps_max * sizeof (SV *);
		572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		573	rss += coro->scopestack_max * sizeof (I32);
		574	rss += coro->savestack_max * sizeof (ANY);
		575
		576	#if !PERL_VERSION_ATLEAST (5,9,0)
		577	rss += coro->retstack_max * sizeof (OP *);
		578	#endif
		579	}
		580
		581	return rss;
		582	}
		583
545	/ coroutine stack handling **********************************************/	584	/ coroutine stack handling **********************************************/
546		585
547	static void	586	static void
548	setup_coro (pTHX_ struct coro *coro)	587	coro_setup (pTHX_ struct coro *coro)
549	{	588	{
550	/*	589	/*
551	* emulate part of the perl startup here.	590	* emulate part of the perl startup here.
552	*/	591	*/
553	coro_init_stacks (aTHX);	592	coro_init_stacks (aTHX);
554		593
		594	PL_runops = RUNOPS_DEFAULT;
555	PL_curcop = &PL_compiling;	595	PL_curcop = &PL_compiling;
556	PL_in_eval = EVAL_NULL;	596	PL_in_eval = EVAL_NULL;
557	PL_comppad = 0;	597	PL_comppad = 0;
558	PL_curpm = 0;	598	PL_curpm = 0;
559	PL_localizing = 0;	599	PL_localizing = 0;
560	PL_dirty = 0;	600	PL_dirty = 0;
561	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	}
562		617
563	{	618	{
564	dSP;	619	dSP;
565	LOGOP myop;	620	LOGOP myop;
566
567	SvREFCNT_dec (GvAV (PL_defgv));
568	GvAV (PL_defgv) = coro->args; coro->args = 0;
569		621
570	Zero (&myop, 1, LOGOP);	622	Zero (&myop, 1, LOGOP);
571	myop.op_next = Nullop;	623	myop.op_next = Nullop;
572	myop.op_flags = OPf_WANT_VOID;	624	myop.op_flags = OPf_WANT_VOID;
573		625
…		…
581		633
582	ENTER; /* necessary e.g. for dounwind */	634	ENTER; /* necessary e.g. for dounwind */
583	}	635	}
584		636
585	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	coro_destroy_stacks (aTHX);
		665	}
		666
		667	static void
586	free_coro_mortal (pTHX)	668	free_coro_mortal (pTHX)
587	{	669	{
588	if (coro_mortal)	670	if (coro_mortal)
589	{	671	{
590	SvREFCNT_dec (coro_mortal);	672	SvREFCNT_dec (coro_mortal);
591	coro_mortal = 0;	673	coro_mortal = 0;
592	}	674	}
		675	}
		676
		677	static int
		678	runops_trace (pTHX)
		679	{
		680	COP *oldcop = 0;
		681	int oldcxix = -2;
		682	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		683	coro_cctx *cctx = coro->cctx;
		684
		685	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		686	{
		687	PERL_ASYNC_CHECK ();
		688
		689	if (cctx->flags & CC_TRACE_ALL)
		690	{
		691	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		692	{
		693	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		694	SV bot, top;
		695	AV av = newAV (); / return values */
		696	SV **cb;
		697	dSP;
		698
		699	GV *gv = CvGV (cx->blk_sub.cv);
		700	SV *fullname = sv_2mortal (newSV (0));
		701	if (isGV (gv))
		702	gv_efullname3 (fullname, gv, 0);
		703
		704	bot = PL_stack_base + cx->blk_oldsp + 1;
		705	top = cx->blk_gimme == G_ARRAY ? SP + 1
		706	: cx->blk_gimme == G_SCALAR ? bot + 1
		707	: bot;
		708
		709	while (bot < top)
		710	av_push (av, SvREFCNT_inc (*bot++));
		711
		712	PL_runops = RUNOPS_DEFAULT;
		713	ENTER;
		714	SAVETMPS;
		715	EXTEND (SP, 3);
		716	PUSHMARK (SP);
		717	PUSHs (&PL_sv_no);
		718	PUSHs (fullname);
		719	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		720	PUTBACK;
		721	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		722	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		723	SPAGAIN;
		724	FREETMPS;
		725	LEAVE;
		726	PL_runops = runops_trace;
		727	}
		728
		729	if (oldcop != PL_curcop)
		730	{
		731	oldcop = PL_curcop;
		732
		733	if (PL_curcop != &PL_compiling)
		734	{
		735	SV **cb;
		736
		737	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		738	{
		739	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		740
		741	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		742	{
		743	runops_proc_t old_runops = PL_runops;
		744	dSP;
		745	GV *gv = CvGV (cx->blk_sub.cv);
		746	SV *fullname = sv_2mortal (newSV (0));
		747
		748	if (isGV (gv))
		749	gv_efullname3 (fullname, gv, 0);
		750
		751	PL_runops = RUNOPS_DEFAULT;
		752	ENTER;
		753	SAVETMPS;
		754	EXTEND (SP, 3);
		755	PUSHMARK (SP);
		756	PUSHs (&PL_sv_yes);
		757	PUSHs (fullname);
		758	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		759	PUTBACK;
		760	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		761	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		762	SPAGAIN;
		763	FREETMPS;
		764	LEAVE;
		765	PL_runops = runops_trace;
		766	}
		767
		768	oldcxix = cxstack_ix;
		769	}
		770
		771	if (cctx->flags & CC_TRACE_LINE)
		772	{
		773	dSP;
		774
		775	PL_runops = RUNOPS_DEFAULT;
		776	ENTER;
		777	SAVETMPS;
		778	EXTEND (SP, 3);
		779	PL_runops = RUNOPS_DEFAULT;
		780	PUSHMARK (SP);
		781	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		782	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		783	PUTBACK;
		784	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		785	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		786	SPAGAIN;
		787	FREETMPS;
		788	LEAVE;
		789	PL_runops = runops_trace;
		790	}
		791	}
		792	}
		793	}
		794	}
		795
		796	TAINT_NOT;
		797	return 0;
593	}	798	}
594		799
595	/* inject a fake call to Coro::State::_cctx_init into the execution */	800	/* inject a fake call to Coro::State::_cctx_init into the execution */
596	/* _cctx_init should be careful, as it could be called at almost any time */	801	/* _cctx_init should be careful, as it could be called at almost any time */
597	/* during execution of a perl program */	802	/* during execution of a perl program */
598	static void NOINLINE	803	static void NOINLINE
599	prepare_cctx (pTHX_ coro_cctx *cctx)	804	prepare_cctx (pTHX_ coro_cctx *cctx)
600	{	805	{
601	dSP;	806	dSP;
602	LOGOP myop;	807	LOGOP myop;
		808
		809	PL_top_env = &PL_start_env;
		810
		811	if (cctx->flags & CC_TRACE)
		812	PL_runops = runops_trace;
603		813
604	Zero (&myop, 1, LOGOP);	814	Zero (&myop, 1, LOGOP);
605	myop.op_next = PL_op;	815	myop.op_next = PL_op;
606	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	816	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
607		817
…		…
624	dTHX;	834	dTHX;
625		835
626	/* coro_run is the alternative tail of transfer(), so unlock here. */	836	/* coro_run is the alternative tail of transfer(), so unlock here. */
627	UNLOCK;	837	UNLOCK;
628		838
629	PL_top_env = &PL_start_env;	839	/* we now skip the entersub that lead to transfer() */
		840	PL_op = PL_op->op_next;
630		841
631	/* inject a fake subroutine call to cctx_init */	842	/* inject a fake subroutine call to cctx_init */
632	prepare_cctx (aTHX_ (coro_cctx *)arg);	843	prepare_cctx (aTHX_ (coro_cctx *)arg);
633		844
634	/* somebody or something will hit me for both perl_run and PL_restartop */	845	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
668	# if CORO_STACKGUARD	879	# if CORO_STACKGUARD
669	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	880	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
670	# endif	881	# endif
671	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	882	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
672	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	883	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
673	cctx->mapped = 1;	884	cctx->flags \|= CC_MAPPED;
674	}	885	}
675	else	886	else
676	#endif	887	#endif
677	{	888	{
678	cctx->ssize = coro_stacksize * (long)sizeof (long);	889	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
705	#if CORO_USE_VALGRIND	916	#if CORO_USE_VALGRIND
706	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	917	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
707	#endif	918	#endif
708		919
709	#if HAVE_MMAP	920	#if HAVE_MMAP
710	if (cctx->mapped)	921	if (cctx->flags & CC_MAPPED)
711	munmap (cctx->sptr, cctx->ssize);	922	munmap (cctx->sptr, cctx->ssize);
712	else	923	else
713	#endif	924	#endif
714	Safefree (cctx->sptr);	925	Safefree (cctx->sptr);
715		926
…		…
723	{	934	{
724	coro_cctx *cctx = cctx_first;	935	coro_cctx *cctx = cctx_first;
725	cctx_first = cctx->next;	936	cctx_first = cctx->next;
726	--cctx_idle;	937	--cctx_idle;
727		938
728	if (cctx->ssize >= coro_stacksize)	939	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
729	return cctx;	940	return cctx;
730		941
731	cctx_destroy (cctx);	942	cctx_destroy (cctx);
732	}	943	}
733		944
734	PL_op = PL_op->op_next;
735	return cctx_new ();	945	return cctx_new ();
736	}	946	}
737		947
738	static void	948	static void
739	cctx_put (coro_cctx *cctx)	949	cctx_put (coro_cctx *cctx)
…		…
743	{	953	{
744	coro_cctx *first = cctx_first;	954	coro_cctx *first = cctx_first;
745	cctx_first = first->next;	955	cctx_first = first->next;
746	--cctx_idle;	956	--cctx_idle;
747		957
748	assert (!first->inuse);
749	cctx_destroy (first);	958	cctx_destroy (first);
750	}	959	}
751		960
752	++cctx_idle;	961	++cctx_idle;
753	cctx->next = cctx_first;	962	cctx->next = cctx_first;
754	cctx_first = cctx;	963	cctx_first = cctx;
755	}	964	}
756		965
757	/ coroutine switching ***************************************************/	966	/ coroutine switching ***************************************************/
758		967
759	/* never call directly, always through the coro_state_transfer global variable */	968	static void NOINLINE
		969	transfer_check (pTHX_ struct coro prev, struct coro next)
		970	{
		971	if (prev != next)
		972	{
		973	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		974	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		975
		976	if (next->flags & CF_RUNNING)
		977	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		978
		979	if (next->flags & CF_DESTROYED)
		980	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		981
		982	if (PL_lex_state != LEX_NOTPARSING)
		983	croak ("Coro::State::transfer called while parsing, but this is not supported");
		984	}
		985	}
		986
		987	/* always use the TRANSFER macro */
760	static void NOINLINE	988	static void NOINLINE
761	transfer (pTHX_ struct coro prev, struct coro next)	989	transfer (pTHX_ struct coro prev, struct coro next)
762	{	990	{
763	dSTACKLEVEL;	991	dSTACKLEVEL;
764		992
…		…
774		1002
775	if (prev->flags & CF_NEW)	1003	if (prev->flags & CF_NEW)
776	{	1004	{
777	/* create a new empty context */	1005	/* create a new empty context */
778	Newz (0, prev->cctx, 1, coro_cctx);	1006	Newz (0, prev->cctx, 1, coro_cctx);
779	prev->cctx->inuse = 1;
780	prev->flags &= ~CF_NEW;	1007	prev->flags &= ~CF_NEW;
781	prev->flags \|= CF_RUNNING;	1008	prev->flags \|= CF_RUNNING;
782	}	1009	}
783
784	/TODO: must not croak here /
785	if (!prev->flags & CF_RUNNING)
786	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
787
788	if (next->flags & CF_RUNNING)
789	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
790
791	if (next->flags & CF_DESTROYED)
792	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
793		1010
794	prev->flags &= ~CF_RUNNING;	1011	prev->flags &= ~CF_RUNNING;
795	next->flags \|= CF_RUNNING;	1012	next->flags \|= CF_RUNNING;
796		1013
797	LOCK;	1014	LOCK;
…		…
801	/* need to start coroutine */	1018	/* need to start coroutine */
802	next->flags &= ~CF_NEW;	1019	next->flags &= ~CF_NEW;
803	/* first get rid of the old state */	1020	/* first get rid of the old state */
804	save_perl (aTHX_ prev);	1021	save_perl (aTHX_ prev);
805	/* setup coroutine call */	1022	/* setup coroutine call */
806	setup_coro (aTHX_ next);	1023	coro_setup (aTHX_ next);
807	/* need a new stack */
808	assert (!next->cctx);
809	}	1024	}
810	else	1025	else
811	{	1026	{
812	/* coroutine already started */	1027	/* coroutine already started */
813	save_perl (aTHX_ prev);	1028	save_perl (aTHX_ prev);
…		…
815	}	1030	}
816		1031
817	prev__cctx = prev->cctx;	1032	prev__cctx = prev->cctx;
818		1033
819	/* possibly "free" the cctx */	1034	/* possibly "free" the cctx */
820	if (prev__cctx->idle_sp == STACKLEVEL)	1035	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
821	{	1036	{
822	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1037	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
823	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1038	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
824		1039
825	prev->cctx = 0;	1040	prev->cctx = 0;
826		1041
827	cctx_put (prev__cctx);	1042	cctx_put (prev__cctx);
828	prev__cctx->inuse = 0;
829	}	1043	}
830		1044
		1045	++next->usecount;
		1046
831	if (!next->cctx)	1047	if (!next->cctx)
832	{
833	next->cctx = cctx_get (aTHX);	1048	next->cctx = cctx_get (aTHX);
834	assert (!next->cctx->inuse);
835	next->cctx->inuse = 1;
836	}
837		1049
838	if (prev__cctx != next->cctx)	1050	if (prev__cctx != next->cctx)
839	{	1051	{
840	prev__cctx->top_env = PL_top_env;	1052	prev__cctx->top_env = PL_top_env;
841	PL_top_env = next->cctx->top_env;	1053	PL_top_env = next->cctx->top_env;
…		…
851	{	1063	{
852	struct coro prev, next;	1064	struct coro prev, next;
853	};	1065	};
854		1066
855	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1067	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1068	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
856		1069
857	/ high level stuff ******************************************************/	1070	/ high level stuff ******************************************************/
858		1071
859	static int	1072	static int
860	coro_state_destroy (pTHX_ struct coro *coro)	1073	coro_state_destroy (pTHX_ struct coro *coro)
…		…
877		1090
878	if (coro->mainstack && coro->mainstack != main_mainstack)	1091	if (coro->mainstack && coro->mainstack != main_mainstack)
879	{	1092	{
880	struct coro temp;	1093	struct coro temp;
881		1094
882	assert (!(coro->flags & CF_RUNNING));
883
884	Zero (&temp, 1, struct coro);
885	temp.save = CORO_SAVE_ALL;
886
887	if (coro->flags & CF_RUNNING)	1095	if (coro->flags & CF_RUNNING)
888	croak ("FATAL: tried to destroy currently running coroutine");	1096	croak ("FATAL: tried to destroy currently running coroutine");
889		1097
890	save_perl (aTHX_ &temp);	1098	save_perl (aTHX_ &temp);
891	load_perl (aTHX_ coro);	1099	load_perl (aTHX_ coro);
892		1100
893	coro_destroy_stacks (aTHX);	1101	coro_destroy (aTHX_ coro);
894		1102
895	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1103	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
896		1104
897	coro->mainstack = 0;	1105	coro->mainstack = 0;
898	}	1106	}
…		…
900	cctx_destroy (coro->cctx);	1108	cctx_destroy (coro->cctx);
901	SvREFCNT_dec (coro->args);	1109	SvREFCNT_dec (coro->args);
902		1110
903	if (coro->next) coro->next->prev = coro->prev;	1111	if (coro->next) coro->next->prev = coro->prev;
904	if (coro->prev) coro->prev->next = coro->next;	1112	if (coro->prev) coro->prev->next = coro->next;
905	if (coro == first) first = coro->next;	1113	if (coro == coro_first) coro_first = coro->next;
906		1114
907	return 1;	1115	return 1;
908	}	1116	}
909		1117
910	static int	1118	static int
…		…
943	#else	1151	#else
944	# define MGf_DUP 0	1152	# define MGf_DUP 0
945	#endif	1153	#endif
946	};	1154	};
947		1155
948	static struct coro *
949	SvSTATE_ (pTHX_ SV *coro)
950	{
951	HV *stash;
952	MAGIC *mg;
953
954	if (SvROK (coro))
955	coro = SvRV (coro);
956
957	stash = SvSTASH (coro);
958	if (stash != coro_stash && stash != coro_state_stash)
959	{
960	/* very slow, but rare, check */
961	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
962	croak ("Coro::State object required");
963	}
964
965	mg = CORO_MAGIC (coro);
966	return (struct coro *)mg->mg_ptr;
967	}
968
969	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
970
971	static void	1156	static void
972	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1157	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
973	{	1158	{
974	ta->prev = SvSTATE (prev_sv);	1159	ta->prev = SvSTATE (prev_sv);
975	ta->next = SvSTATE (next_sv);	1160	ta->next = SvSTATE (next_sv);
		1161	TRANSFER_CHECK (*ta);
976	}	1162	}
977		1163
978	static void	1164	static void
979	api_transfer (SV prev_sv, SV next_sv)	1165	api_transfer (SV prev_sv, SV next_sv)
980	{	1166	{
981	dTHX;	1167	dTHX;
982	struct transfer_args ta;	1168	struct transfer_args ta;
983		1169
984	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1170	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
985	TRANSFER (ta);	1171	TRANSFER (ta);
986	}
987
988	static int
989	api_save (SV *coro_sv, int new_save)
990	{
991	dTHX;
992	struct coro *coro = SvSTATE (coro_sv);
993	int old_save = coro->save;
994
995	if (new_save >= 0)
996	coro->save = new_save;
997
998	return old_save;
999	}	1172	}
1000		1173
1001	/ Coro ******************************************************************/	1174	/ Coro ******************************************************************/
1002		1175
1003	static void	1176	static void
…		…
1097	break;	1270	break;
1098	}	1271	}
1099		1272
1100	/* free this only after the transfer */	1273	/* free this only after the transfer */
1101	prev_sv = SvRV (coro_current);	1274	prev_sv = SvRV (coro_current);
1102	SvRV_set (coro_current, next_sv);
1103	ta->prev = SvSTATE (prev_sv);	1275	ta->prev = SvSTATE (prev_sv);
1104		1276	TRANSFER_CHECK (*ta);
1105	assert (ta->next->flags & CF_READY);	1277	assert (ta->next->flags & CF_READY);
1106	ta->next->flags &= ~CF_READY;	1278	ta->next->flags &= ~CF_READY;
		1279	SvRV_set (coro_current, next_sv);
1107		1280
1108	LOCK;	1281	LOCK;
1109	free_coro_mortal (aTHX);	1282	free_coro_mortal (aTHX);
1110	coro_mortal = prev_sv;	1283	coro_mortal = prev_sv;
1111	UNLOCK;	1284	UNLOCK;
…		…
1172	}	1345	}
1173	else	1346	else
1174	return 0;	1347	return 0;
1175	}	1348	}
1176		1349
		1350	static void
		1351	api_trace (SV *coro_sv, int flags)
		1352	{
		1353	dTHX;
		1354	struct coro *coro = SvSTATE (coro_sv);
		1355
		1356	if (flags & CC_TRACE)
		1357	{
		1358	if (!coro->cctx)
		1359	coro->cctx = cctx_new ();
		1360	else if (!(coro->cctx->flags & CC_TRACE))
		1361	croak ("cannot enable tracing on coroutine with custom stack");
		1362
		1363	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1364	}
		1365	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1366	{
		1367	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1368
		1369	if (coro->flags & CF_RUNNING)
		1370	PL_runops = RUNOPS_DEFAULT;
		1371	else
		1372	coro->runops = RUNOPS_DEFAULT;
		1373	}
		1374	}
		1375
1177	MODULE = Coro::State PACKAGE = Coro::State	1376	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1178		1377
1179	PROTOTYPES: DISABLE	1378	PROTOTYPES: DISABLE
1180		1379
1181	BOOT:	1380	BOOT:
1182	{	1381	{
1183	#ifdef USE_ITHREADS	1382	#ifdef USE_ITHREADS
1184	MUTEX_INIT (&coro_mutex);	1383	MUTEX_INIT (&coro_mutex);
1185	#endif	1384	#endif
1186	BOOT_PAGESIZE;	1385	BOOT_PAGESIZE;
1187		1386
		1387	irsgv = gv_fetchpv ("/", 1, SVt_PV);
		1388
1188	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1389	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1189		1390
1190	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1391	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1191	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1392	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1192	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1193	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1194	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1195	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1393	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1196	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1394	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1197		1395
1198	main_mainstack = PL_mainstack;	1396	main_mainstack = PL_mainstack;
1199	main_top_env = PL_top_env;	1397	main_top_env = PL_top_env;
1200		1398
1201	while (main_top_env->je_prev)	1399	while (main_top_env->je_prev)
…		…
1214	struct coro *coro;	1412	struct coro *coro;
1215	HV *hv;	1413	HV *hv;
1216	int i;	1414	int i;
1217		1415
1218	Newz (0, coro, 1, struct coro);	1416	Newz (0, coro, 1, struct coro);
1219	coro->args = newAV ();	1417	coro->args = newAV ();
1220	coro->save = CORO_SAVE_DEF;
1221	coro->flags = CF_NEW;	1418	coro->flags = CF_NEW;
1222		1419
1223	if (first) first->prev = coro;	1420	if (coro_first) coro_first->prev = coro;
1224	coro->next = first;	1421	coro->next = coro_first;
1225	first = coro;	1422	coro_first = coro;
1226		1423
1227	coro->hv = hv = newHV ();	1424	coro->hv = hv = newHV ();
1228	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1425	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1229	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1426	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1230		1427
…		…
1232	av_push (coro->args, newSVsv (ST (i)));	1429	av_push (coro->args, newSVsv (ST (i)));
1233	}	1430	}
1234	OUTPUT:	1431	OUTPUT:
1235	RETVAL	1432	RETVAL
1236		1433
1237	int	1434	# these not obviously related functions are all rolled into the same xs
1238	save (SV *coro, int new_save = -1)	1435	# function to increase chances that they all will call transfer with the same
1239	CODE:	1436	# stack offset
1240	RETVAL = api_save (coro, new_save);
1241	OUTPUT:
1242	RETVAL
1243
1244	int
1245	save_also (SV *coro_sv, int save_also)
1246	CODE:
1247	{
1248	struct coro *coro = SvSTATE (coro_sv);
1249	RETVAL = coro->save;
1250	coro->save \|= save_also;
1251	}
1252	OUTPUT:
1253	RETVAL
1254
1255	void	1437	void
1256	_set_stacklevel (...)	1438	_set_stacklevel (...)
1257	ALIAS:	1439	ALIAS:
1258	Coro::State::transfer = 1	1440	Coro::State::transfer = 1
1259	Coro::schedule = 2	1441	Coro::schedule = 2
…		…
1339	void	1521	void
1340	list ()	1522	list ()
1341	PPCODE:	1523	PPCODE:
1342	{	1524	{
1343	struct coro *coro;	1525	struct coro *coro;
1344	for (coro = first; coro; coro = coro->next)	1526	for (coro = coro_first; coro; coro = coro->next)
1345	if (coro->hv)	1527	if (coro->hv)
1346	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	1528	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1347	}	1529	}
1348		1530
1349	void	1531	void
1350	_eval (SV coro_sv, SV coderef)	1532	call (Coro::State coro, SV *coderef)
		1533	ALIAS:
		1534	eval = 1
1351	CODE:	1535	CODE:
1352	{	1536	{
1353	struct coro *coro = SvSTATE (coro_sv);
1354	if (coro->mainstack)	1537	if (coro->mainstack)
1355	{	1538	{
1356	struct coro temp;	1539	struct coro temp;
1357	Zero (&temp, 1, struct coro);	1540	Zero (&temp, 1, struct coro);
1358	temp.save = CORO_SAVE_ALL;
1359		1541
1360	if (!(coro->flags & CF_RUNNING))	1542	if (!(coro->flags & CF_RUNNING))
1361	{	1543	{
1362	save_perl (aTHX_ &temp);	1544	save_perl (aTHX_ &temp);
1363	load_perl (aTHX_ coro);	1545	load_perl (aTHX_ coro);
…		…
1367	dSP;	1549	dSP;
1368	ENTER;	1550	ENTER;
1369	SAVETMPS;	1551	SAVETMPS;
1370	PUSHMARK (SP);	1552	PUSHMARK (SP);
1371	PUTBACK;	1553	PUTBACK;
		1554	if (ix)
		1555	eval_sv (coderef, 0);
		1556	else
1372	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1557	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1373	SPAGAIN;	1558	SPAGAIN;
1374	FREETMPS;	1559	FREETMPS;
1375	LEAVE;	1560	LEAVE;
1376	PUTBACK;	1561	PUTBACK;
1377	}	1562	}
…		…
1381	save_perl (aTHX_ coro);	1566	save_perl (aTHX_ coro);
1382	load_perl (aTHX_ &temp);	1567	load_perl (aTHX_ &temp);
1383	}	1568	}
1384	}	1569	}
1385	}	1570	}
1386		1571
1387	SV *	1572	SV *
1388	is_ready (SV *coro_sv)	1573	is_ready (Coro::State coro)
1389	PROTOTYPE: $	1574	PROTOTYPE: $
1390	ALIAS:	1575	ALIAS:
1391	is_ready = CF_READY	1576	is_ready = CF_READY
1392	is_running = CF_RUNNING	1577	is_running = CF_RUNNING
1393	is_new = CF_NEW	1578	is_new = CF_NEW
1394	is_destroyed = CF_DESTROYED	1579	is_destroyed = CF_DESTROYED
1395	CODE:	1580	CODE:
1396	struct coro *coro = SvSTATE (coro_sv);
1397	RETVAL = boolSV (coro->flags & ix);	1581	RETVAL = boolSV (coro->flags & ix);
1398	OUTPUT:	1582	OUTPUT:
1399	RETVAL	1583	RETVAL
1400		1584
		1585	void
		1586	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1587
		1588	SV *
		1589	has_stack (Coro::State coro)
		1590	PROTOTYPE: $
		1591	CODE:
		1592	RETVAL = boolSV (!!coro->cctx);
		1593	OUTPUT:
		1594	RETVAL
		1595
		1596	int
		1597	is_traced (Coro::State coro)
		1598	PROTOTYPE: $
		1599	CODE:
		1600	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1601	OUTPUT:
		1602	RETVAL
		1603
		1604	IV
		1605	rss (Coro::State coro)
		1606	PROTOTYPE: $
		1607	ALIAS:
		1608	usecount = 1
		1609	CODE:
		1610	switch (ix)
		1611	{
		1612	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1613	case 1: RETVAL = coro->usecount; break;
		1614	}
		1615	OUTPUT:
		1616	RETVAL
		1617
1401		1618
1402	MODULE = Coro::State PACKAGE = Coro	1619	MODULE = Coro::State PACKAGE = Coro
1403		1620
1404	BOOT:	1621	BOOT:
1405	{	1622	{
1406	int i;	1623	int i;
		1624
		1625	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1626	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1627	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1628
		1629	coro_current = get_sv ("Coro::current", FALSE);
		1630	SvREADONLY_on (coro_current);
1407		1631
1408	coro_stash = gv_stashpv ("Coro", TRUE);	1632	coro_stash = gv_stashpv ("Coro", TRUE);
1409		1633
1410	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1634	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1411	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1635	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1412	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1636	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1413	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1637	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1414	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1638	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1415	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1639	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1416		1640
1417	coro_current = get_sv ("Coro::current", FALSE);
1418	SvREADONLY_on (coro_current);
1419
1420	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1641	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1421	coro_ready[i] = newAV ();	1642	coro_ready[i] = newAV ();
1422		1643
1423	{	1644	{
1424	SV *sv = perl_get_sv("Coro::API", 1);	1645	SV *sv = perl_get_sv("Coro::API", 1);
1425		1646
1426	coroapi.schedule = api_schedule;	1647	coroapi.schedule = api_schedule;
1427	coroapi.save = api_save;
1428	coroapi.cede = api_cede;	1648	coroapi.cede = api_cede;
1429	coroapi.cede_notself = api_cede_notself;	1649	coroapi.cede_notself = api_cede_notself;
1430	coroapi.ready = api_ready;	1650	coroapi.ready = api_ready;
1431	coroapi.is_ready = api_is_ready;	1651	coroapi.is_ready = api_is_ready;
1432	coroapi.nready = &coro_nready;	1652	coroapi.nready = &coro_nready;
…		…
1481	CODE:	1701	CODE:
1482	RETVAL = coro_nready;	1702	RETVAL = coro_nready;
1483	OUTPUT:	1703	OUTPUT:
1484	RETVAL	1704	RETVAL
1485		1705
		1706	# for async_pool speedup
		1707	void
		1708	_pool_1 (SV *cb)
		1709	CODE:
		1710	{
		1711	int i, len;
		1712	HV hv = (HV )SvRV (coro_current);
		1713	AV *defav = GvAV (PL_defgv);
		1714	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1715	AV *invoke_av;
		1716
		1717	if (!invoke)
		1718	croak ("\3terminate\2\n");
		1719
		1720	hv_store (hv, "desc", sizeof ("desc") - 1,
		1721	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1722
		1723	invoke_av = (AV *)SvRV (invoke);
		1724	len = av_len (invoke_av);
		1725
		1726	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1727
		1728	if (len > 0)
		1729	{
		1730	av_fill (defav, len - 1);
		1731	for (i = 0; i < len; ++i)
		1732	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1733	}
		1734
		1735	SvREFCNT_dec (invoke);
		1736	}
		1737
		1738	void
		1739	_pool_2 (SV *cb)
		1740	CODE:
		1741	{
		1742	struct coro *coro = SvSTATE (coro_current);
		1743
		1744	sv_setsv (cb, &PL_sv_undef);
		1745
		1746	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1747	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1748	croak ("\3terminate\2\n");
		1749
		1750	av_clear (GvAV (PL_defgv));
		1751	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1752	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1753
		1754	coro->prio = 0;
		1755
		1756	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1757	api_trace (coro_current, 0);
		1758
		1759	av_push (av_async_pool, newSVsv (coro_current));
		1760	}
		1761
		1762
1486	MODULE = Coro::State PACKAGE = Coro::AIO	1763	MODULE = Coro::State PACKAGE = Coro::AIO
1487		1764
1488	SV *	1765	SV *
1489	_get_state ()	1766	_get_state ()
1490	CODE:	1767	CODE:

Diff Legend

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

Comparing Coro/Coro/State.xs (file contents): Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC vs. Revision 1.180 by root, Wed Oct 3 17:12:20 2007 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC vs.
Revision 1.180 by root, Wed Oct 3 17:12:20 2007 UTC