[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 1.190 by root, Fri Oct 5 20:39:39 2007 UTC

…		…
75	/* 5.8.7 */	75	/* 5.8.7 */
76	#ifndef SvRV_set	76	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	78	#endif
79		79
		80	/* 5.8.8 */
		81	#ifndef GV_NOTQUAL
		82	# define GV_NOTQUAL 0
		83	#endif
		84
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	85	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	86	# undef CORO_STACKGUARD
82	#endif	87	#endif
83		88
84	#ifndef CORO_STACKGUARD	89	#ifndef CORO_STACKGUARD
…		…
88	/* prefer perl internal functions over our own? */	93	/* prefer perl internal functions over our own? */
89	#ifndef CORO_PREFER_PERL_FUNCTIONS	94	#ifndef CORO_PREFER_PERL_FUNCTIONS
90	# define CORO_PREFER_PERL_FUNCTIONS 0	95	# define CORO_PREFER_PERL_FUNCTIONS 0
91	#endif	96	#endif
92		97
93	/* The next macro should declare a variable stacklevel that contains and approximation	98	/* The next macros try to return the current stack pointer, in an as
94	* to the current C stack pointer. Its property is that it changes with each call	99	* portable way as possible. */
95	* and should be unique. */
96	#define dSTACKLEVEL int stacklevel	100	#define dSTACKLEVEL volatile char stacklevel
97	#define STACKLEVEL ((void *)&stacklevel)	101	#define STACKLEVEL ((void *)&stacklevel)
98		102
99	#define IN_DESTRUCT (PL_main_cv == Nullcv)	103	#define IN_DESTRUCT (PL_main_cv == Nullcv)
100		104
101	#if __GNUC__ >= 3	105	#if __GNUC__ >= 3
…		…
133	static AV main_mainstack; / used to differentiate between $main and others */	137	static AV main_mainstack; / used to differentiate between $main and others */
134	static JMPENV *main_top_env;	138	static JMPENV *main_top_env;
135	static HV coro_state_stash, coro_stash;	139	static HV coro_state_stash, coro_stash;
136	static SV coro_mortal; / will be freed after next transfer */	140	static SV coro_mortal; / will be freed after next transfer */
137		141
		142	static GV irsgv; / $/ */
		143	static GV stdoutgv; / STDOUT /
		144
		145	/* async_pool helper stuff */
		146	static SV *sv_pool_rss;
		147	static SV *sv_pool_size;
		148	static AV *av_async_pool;
		149
138	static struct coro_cctx *cctx_first;	150	static struct coro_cctx *cctx_first;
139	static int cctx_count, cctx_idle;	151	static int cctx_count, cctx_idle;
		152
		153	enum {
		154	CC_MAPPED = 0x01,
		155	CC_NOREUSE = 0x02, /* throw this away after tracing */
		156	CC_TRACE = 0x04,
		157	CC_TRACE_SUB = 0x08, /* trace sub calls */
		158	CC_TRACE_LINE = 0x10, /* trace each statement */
		159	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		160	};
140		161
141	/* this is a structure representing a c-level coroutine */	162	/* this is a structure representing a c-level coroutine */
142	typedef struct coro_cctx {	163	typedef struct coro_cctx {
143	struct coro_cctx *next;	164	struct coro_cctx *next;
144		165
…		…
153	coro_context cctx;	174	coro_context cctx;
154		175
155	#if CORO_USE_VALGRIND	176	#if CORO_USE_VALGRIND
156	int valgrind_id;	177	int valgrind_id;
157	#endif	178	#endif
158	char inuse, mapped;	179	unsigned char flags;
159	} coro_cctx;	180	} coro_cctx;
160		181
161	enum {	182	enum {
162	CF_RUNNING = 0x0001, /* coroutine is running */	183	CF_RUNNING = 0x0001, /* coroutine is running */
163	CF_READY = 0x0002, /* coroutine is ready */	184	CF_READY = 0x0002, /* coroutine is ready */
…		…
171	coro_cctx *cctx;	192	coro_cctx *cctx;
172		193
173	/* data associated with this coroutine (initial args) */	194	/* data associated with this coroutine (initial args) */
174	AV *args;	195	AV *args;
175	int refcnt;	196	int refcnt;
176	int save; /* CORO_SAVE flags */
177	int flags; /* CF_ flags */	197	int flags; /* CF_ flags */
178		198
179	/* optionally saved, might be zero */	199	/* optionally saved, might be zero */
180	AV defav; / @_ */	200	AV defav; / @_ */
181	SV defsv; / $_ */	201	SV defsv; / $_ */
182	SV errsv; / $@ */	202	SV errsv; / $@ */
183	GV deffh; / default filehandle */	203	SV deffh; / default filehandle */
184	SV irssv; / $/ */	204	SV irssv; / $/ */
185	SV irssv_sv; / real $/ cache */	205	SV irssv_sv; / real $/ cache */
186		206
187	#define VAR(name,type) type name;	207	#define VAR(name,type) type name;
188	# include "state.h"	208	# include "state.h"
189	#undef VAR	209	#undef VAR
190		210
		211	/* statistics */
		212	int usecount; /* number of transfers to this coro */
		213
191	/* coro process data */	214	/* coro process data */
192	int prio;	215	int prio;
		216	//SV *throw;
		217
		218	/* async_pool */
		219	SV *saved_deffh;
		220
		221	/* linked list */
		222	struct coro next, prev;
		223	HV hv; / the perl hash associated with this coro, if any */
193	};	224	};
194		225
195	typedef struct coro *Coro__State;	226	typedef struct coro *Coro__State;
196	typedef struct coro *Coro__State_or_hashref;	227	typedef struct coro *Coro__State_or_hashref;
197		228
…		…
206		237
207	/* for Coro.pm */	238	/* for Coro.pm */
208	static SV *coro_current;	239	static SV *coro_current;
209	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	240	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
210	static int coro_nready;	241	static int coro_nready;
		242	static struct coro *coro_first;
211		243
212	/ lowlevel stuff ********************************************************/	244	/ lowlevel stuff ********************************************************/
213		245
214	static AV *	246	static AV *
215	coro_clone_padlist (pTHX_ CV *cv)	247	coro_clone_padlist (pTHX_ CV *cv)
…		…
280	SvMAGIC (cv) \	312	SvMAGIC (cv) \
281	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	313	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
282	? SvMAGIC (cv) \	314	? SvMAGIC (cv) \
283	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	315	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
284	: 0	316	: 0
		317
		318	static struct coro *
		319	SvSTATE_ (pTHX_ SV *coro)
		320	{
		321	HV *stash;
		322	MAGIC *mg;
		323
		324	if (SvROK (coro))
		325	coro = SvRV (coro);
		326
		327	if (SvTYPE (coro) != SVt_PVHV)
		328	croak ("Coro::State object required");
		329
		330	stash = SvSTASH (coro);
		331	if (stash != coro_stash && stash != coro_state_stash)
		332	{
		333	/* very slow, but rare, check */
		334	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		335	croak ("Coro::State object required");
		336	}
		337
		338	mg = CORO_MAGIC (coro);
		339	return (struct coro *)mg->mg_ptr;
		340	}
		341
		342	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
285		343
286	/* the next two functions merely cache the padlists */	344	/* the next two functions merely cache the padlists */
287	static void	345	static void
288	get_padlist (pTHX_ CV *cv)	346	get_padlist (pTHX_ CV *cv)
289	{	347	{
…		…
328	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	386	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
329	}	387	}
330		388
331	/ load & save, init *****************************************************/	389	/ load & save, init *****************************************************/
332		390
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	391	static void
339	load_perl (pTHX_ Coro__State c)	392	load_perl (pTHX_ Coro__State c)
340	{	393	{
341	#define VAR(name,type) PL_ ## name = c->name;	394	#define VAR(name,type) PL_ ## name = c->name;
342	# include "state.h"	395	# include "state.h"
343	#undef VAR	396	#undef VAR
344		397
345	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	398	GvSV (PL_defgv) = c->defsv;
346	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	399	GvAV (PL_defgv) = c->defav;
347	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	400	GvSV (PL_errgv) = c->errsv;
348	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);	401	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		402
365	{	403	{
366	dSP;	404	dSP;
367	CV *cv;	405	CV *cv;
368		406
…		…
374	CvPADLIST (cv) = (AV *)POPs;	412	CvPADLIST (cv) = (AV *)POPs;
375	}	413	}
376		414
377	PUTBACK;	415	PUTBACK;
378	}	416	}
379	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
380	}	417	}
381		418
382	static void	419	static void
383	save_perl (pTHX_ Coro__State c)	420	save_perl (pTHX_ Coro__State c)
384	{	421	{
385	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
386	{	422	{
387	dSP;	423	dSP;
388	I32 cxix = cxstack_ix;	424	I32 cxix = cxstack_ix;
389	PERL_CONTEXT *ccstk = cxstack;	425	PERL_CONTEXT *ccstk = cxstack;
390	PERL_SI *top_si = PL_curstackinfo;	426	PERL_SI *top_si = PL_curstackinfo;
…		…
392	/*	428	/*
393	* the worst thing you can imagine happens first - we have to save	429	* the worst thing you can imagine happens first - we have to save
394	* (and reinitialize) all cv's in the whole callchain :(	430	* (and reinitialize) all cv's in the whole callchain :(
395	*/	431	*/
396		432
397	EXTEND (SP, 3 + 1);
398	PUSHs (Nullsv);	433	XPUSHs (Nullsv);
399	/* this loop was inspired by pp_caller */	434	/* this loop was inspired by pp_caller */
400	for (;;)	435	for (;;)
401	{	436	{
402	while (cxix >= 0)	437	while (cxix >= 0)
403	{	438	{
404	PERL_CONTEXT *cx = &ccstk[cxix--];	439	PERL_CONTEXT *cx = &ccstk[cxix--];
405		440
406	if (CxTYPE (cx) == CXt_SUB)	441	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
407	{	442	{
408	CV *cv = cx->blk_sub.cv;	443	CV *cv = cx->blk_sub.cv;
409		444
410	if (CvDEPTH (cv))	445	if (CvDEPTH (cv))
411	{	446	{
…		…
422		457
423	if (top_si->si_type == PERLSI_MAIN)	458	if (top_si->si_type == PERLSI_MAIN)
424	break;	459	break;
425		460
426	top_si = top_si->si_prev;	461	top_si = top_si->si_prev;
427	ccstk = top_si->si_cxstack;	462	ccstk = top_si->si_cxstack;
428	cxix = top_si->si_cxix;	463	cxix = top_si->si_cxix;
429	}	464	}
430		465
431	PUTBACK;	466	PUTBACK;
432	}	467	}
433		468
434	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	469	c->defav = GvAV (PL_defgv);
435	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	470	c->defsv = DEFSV;
436	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	471	c->errsv = ERRSV;
437	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	472	c->irssv_sv = GvSV (irsgv);
438	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
439		473
440	#define VAR(name,type)c->name = PL_ ## name;	474	#define VAR(name,type)c->name = PL_ ## name;
441	# include "state.h"	475	# include "state.h"
442	#undef VAR	476	#undef VAR
443	}	477	}
…		…
452	# define coro_init_stacks init_stacks	486	# define coro_init_stacks init_stacks
453	#else	487	#else
454	static void	488	static void
455	coro_init_stacks (pTHX)	489	coro_init_stacks (pTHX)
456	{	490	{
457	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	491	PL_curstackinfo = new_stackinfo(64, 6);
458	PL_curstackinfo->si_type = PERLSI_MAIN;	492	PL_curstackinfo->si_type = PERLSI_MAIN;
459	PL_curstack = PL_curstackinfo->si_stack;	493	PL_curstack = PL_curstackinfo->si_stack;
460	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	494	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
461		495
462	PL_stack_base = AvARRAY(PL_curstack);	496	PL_stack_base = AvARRAY(PL_curstack);
463	PL_stack_sp = PL_stack_base;	497	PL_stack_sp = PL_stack_base;
464	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	498	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
465		499
466	New(50,PL_tmps_stack,128,SV*);	500	New(50,PL_tmps_stack,64,SV*);
467	PL_tmps_floor = -1;	501	PL_tmps_floor = -1;
468	PL_tmps_ix = -1;	502	PL_tmps_ix = -1;
469	PL_tmps_max = 128;	503	PL_tmps_max = 64;
470		504
471	New(54,PL_markstack,32,I32);	505	New(54,PL_markstack,16,I32);
472	PL_markstack_ptr = PL_markstack;	506	PL_markstack_ptr = PL_markstack;
473	PL_markstack_max = PL_markstack + 32;	507	PL_markstack_max = PL_markstack + 16;
474		508
475	#ifdef SET_MARK_OFFSET	509	#ifdef SET_MARK_OFFSET
476	SET_MARK_OFFSET;	510	SET_MARK_OFFSET;
477	#endif	511	#endif
478		512
479	New(54,PL_scopestack,32,I32);	513	New(54,PL_scopestack,16,I32);
480	PL_scopestack_ix = 0;	514	PL_scopestack_ix = 0;
481	PL_scopestack_max = 32;	515	PL_scopestack_max = 16;
482		516
483	New(54,PL_savestack,64,ANY);	517	New(54,PL_savestack,64,ANY);
484	PL_savestack_ix = 0;	518	PL_savestack_ix = 0;
485	PL_savestack_max = 64;	519	PL_savestack_max = 64;
486		520
487	#if !PERL_VERSION_ATLEAST (5,9,0)	521	#if !PERL_VERSION_ATLEAST (5,9,0)
488	New(54,PL_retstack,16,OP*);	522	New(54,PL_retstack,4,OP*);
489	PL_retstack_ix = 0;	523	PL_retstack_ix = 0;
490	PL_retstack_max = 16;	524	PL_retstack_max = 4;
491	#endif	525	#endif
492	}	526	}
493	#endif	527	#endif
494		528
495	/*	529	/*
496	* destroy the stacks, the callchain etc...	530	* destroy the stacks, the callchain etc...
497	*/	531	*/
498	static void	532	static void
499	coro_destroy_stacks (pTHX)	533	coro_destroy_stacks (pTHX)
500	{	534	{
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)	535	while (PL_curstackinfo->si_next)
519	PL_curstackinfo = PL_curstackinfo->si_next;	536	PL_curstackinfo = PL_curstackinfo->si_next;
520		537
521	while (PL_curstackinfo)	538	while (PL_curstackinfo)
522	{	539	{
…		…
537	#if !PERL_VERSION_ATLEAST (5,9,0)	554	#if !PERL_VERSION_ATLEAST (5,9,0)
538	Safefree (PL_retstack);	555	Safefree (PL_retstack);
539	#endif	556	#endif
540	}	557	}
541		558
		559	static size_t
		560	coro_rss (pTHX_ struct coro *coro)
		561	{
		562	size_t rss = sizeof (*coro);
		563
		564	if (coro->mainstack)
		565	{
		566	if (coro->flags & CF_RUNNING)
		567	{
		568	#define VAR(name,type)coro->name = PL_ ## name;
		569	# include "state.h"
		570	#undef VAR
		571	}
		572
		573	rss += sizeof (coro->curstackinfo);
		574	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		575	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		576	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		577	rss += coro->tmps_max * sizeof (SV *);
		578	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		579	rss += coro->scopestack_max * sizeof (I32);
		580	rss += coro->savestack_max * sizeof (ANY);
		581
		582	#if !PERL_VERSION_ATLEAST (5,9,0)
		583	rss += coro->retstack_max * sizeof (OP *);
		584	#endif
		585	}
		586
		587	return rss;
		588	}
		589
542	/ coroutine stack handling **********************************************/	590	/ coroutine stack handling **********************************************/
543		591
544	static void	592	static void
545	setup_coro (pTHX_ struct coro *coro)	593	coro_setup (pTHX_ struct coro *coro)
546	{	594	{
547	/*	595	/*
548	* emulate part of the perl startup here.	596	* emulate part of the perl startup here.
549	*/	597	*/
550	coro_init_stacks (aTHX);	598	coro_init_stacks (aTHX);
551		599
		600	PL_runops = RUNOPS_DEFAULT;
552	PL_curcop = &PL_compiling;	601	PL_curcop = &PL_compiling;
553	PL_in_eval = EVAL_NULL;	602	PL_in_eval = EVAL_NULL;
554	PL_comppad = 0;	603	PL_comppad = 0;
555	PL_curpm = 0;	604	PL_curpm = 0;
556	PL_localizing = 0;	605	PL_localizing = 0;
557	PL_dirty = 0;	606	PL_dirty = 0;
558	PL_restartop = 0;	607	PL_restartop = 0;
		608
		609	GvSV (PL_defgv) = NEWSV (0, 0);
		610	GvAV (PL_defgv) = coro->args; coro->args = 0;
		611	GvSV (PL_errgv) = NEWSV (0, 0);
		612	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		613	PL_rs = newSVsv (GvSV (irsgv));
		614	PL_defoutgv = SvREFCNT_inc (stdoutgv);
559		615
560	{	616	{
561	dSP;	617	dSP;
562	LOGOP myop;	618	LOGOP myop;
563
564	SvREFCNT_dec (GvAV (PL_defgv));
565	GvAV (PL_defgv) = coro->args; coro->args = 0;
566		619
567	Zero (&myop, 1, LOGOP);	620	Zero (&myop, 1, LOGOP);
568	myop.op_next = Nullop;	621	myop.op_next = Nullop;
569	myop.op_flags = OPf_WANT_VOID;	622	myop.op_flags = OPf_WANT_VOID;
570		623
…		…
578		631
579	ENTER; /* necessary e.g. for dounwind */	632	ENTER; /* necessary e.g. for dounwind */
580	}	633	}
581		634
582	static void	635	static void
		636	coro_destroy (pTHX_ struct coro *coro)
		637	{
		638	if (!IN_DESTRUCT)
		639	{
		640	/* restore all saved variables and stuff */
		641	LEAVE_SCOPE (0);
		642	assert (PL_tmps_floor == -1);
		643
		644	/* free all temporaries */
		645	FREETMPS;
		646	assert (PL_tmps_ix == -1);
		647
		648	/* unwind all extra stacks */
		649	POPSTACK_TO (PL_mainstack);
		650
		651	/* unwind main stack */
		652	dounwind (-1);
		653	}
		654
		655	SvREFCNT_dec (GvSV (PL_defgv));
		656	SvREFCNT_dec (GvAV (PL_defgv));
		657	SvREFCNT_dec (GvSV (PL_errgv));
		658	SvREFCNT_dec (PL_defoutgv);
		659	SvREFCNT_dec (PL_rs);
		660	SvREFCNT_dec (GvSV (irsgv));
		661
		662	SvREFCNT_dec (coro->saved_deffh);
		663	//SvREFCNT_dec (coro->throw);
		664
		665	coro_destroy_stacks (aTHX);
		666	}
		667
		668	static void
583	free_coro_mortal (pTHX)	669	free_coro_mortal (pTHX)
584	{	670	{
585	if (coro_mortal)	671	if (coro_mortal)
586	{	672	{
587	SvREFCNT_dec (coro_mortal);	673	SvREFCNT_dec (coro_mortal);
588	coro_mortal = 0;	674	coro_mortal = 0;
589	}	675	}
590	}	676	}
591		677
		678	static int
		679	runops_trace (pTHX)
		680	{
		681	COP *oldcop = 0;
		682	int oldcxix = -2;
		683	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		684	coro_cctx *cctx = coro->cctx;
		685
		686	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		687	{
		688	PERL_ASYNC_CHECK ();
		689
		690	if (cctx->flags & CC_TRACE_ALL)
		691	{
		692	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		693	{
		694	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		695	SV bot, top;
		696	AV av = newAV (); / return values */
		697	SV **cb;
		698	dSP;
		699
		700	GV *gv = CvGV (cx->blk_sub.cv);
		701	SV *fullname = sv_2mortal (newSV (0));
		702	if (isGV (gv))
		703	gv_efullname3 (fullname, gv, 0);
		704
		705	bot = PL_stack_base + cx->blk_oldsp + 1;
		706	top = cx->blk_gimme == G_ARRAY ? SP + 1
		707	: cx->blk_gimme == G_SCALAR ? bot + 1
		708	: bot;
		709
		710	while (bot < top)
		711	av_push (av, SvREFCNT_inc (*bot++));
		712
		713	PL_runops = RUNOPS_DEFAULT;
		714	ENTER;
		715	SAVETMPS;
		716	EXTEND (SP, 3);
		717	PUSHMARK (SP);
		718	PUSHs (&PL_sv_no);
		719	PUSHs (fullname);
		720	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		721	PUTBACK;
		722	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		723	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		724	SPAGAIN;
		725	FREETMPS;
		726	LEAVE;
		727	PL_runops = runops_trace;
		728	}
		729
		730	if (oldcop != PL_curcop)
		731	{
		732	oldcop = PL_curcop;
		733
		734	if (PL_curcop != &PL_compiling)
		735	{
		736	SV **cb;
		737
		738	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		739	{
		740	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		741
		742	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		743	{
		744	runops_proc_t old_runops = PL_runops;
		745	dSP;
		746	GV *gv = CvGV (cx->blk_sub.cv);
		747	SV *fullname = sv_2mortal (newSV (0));
		748
		749	if (isGV (gv))
		750	gv_efullname3 (fullname, gv, 0);
		751
		752	PL_runops = RUNOPS_DEFAULT;
		753	ENTER;
		754	SAVETMPS;
		755	EXTEND (SP, 3);
		756	PUSHMARK (SP);
		757	PUSHs (&PL_sv_yes);
		758	PUSHs (fullname);
		759	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		760	PUTBACK;
		761	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		762	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		763	SPAGAIN;
		764	FREETMPS;
		765	LEAVE;
		766	PL_runops = runops_trace;
		767	}
		768
		769	oldcxix = cxstack_ix;
		770	}
		771
		772	if (cctx->flags & CC_TRACE_LINE)
		773	{
		774	dSP;
		775
		776	PL_runops = RUNOPS_DEFAULT;
		777	ENTER;
		778	SAVETMPS;
		779	EXTEND (SP, 3);
		780	PL_runops = RUNOPS_DEFAULT;
		781	PUSHMARK (SP);
		782	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		783	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		784	PUTBACK;
		785	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		786	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		787	SPAGAIN;
		788	FREETMPS;
		789	LEAVE;
		790	PL_runops = runops_trace;
		791	}
		792	}
		793	}
		794	}
		795	}
		796
		797	TAINT_NOT;
		798	return 0;
		799	}
		800
592	/* inject a fake call to Coro::State::_cctx_init into the execution */	801	/* inject a fake call to Coro::State::_cctx_init into the execution */
593	/* _cctx_init shoukld be careful, as it could be called at almost any time */	802	/* _cctx_init should be careful, as it could be called at almost any time */
594	/* during execution of a pelr program */	803	/* during execution of a perl program */
595	static void NOINLINE	804	static void NOINLINE
596	prepare_cctx (pTHX_ coro_cctx *cctx)	805	prepare_cctx (pTHX_ coro_cctx *cctx)
597	{	806	{
598	dSP;	807	dSP;
599	LOGOP myop;	808	LOGOP myop;
		809
		810	PL_top_env = &PL_start_env;
		811
		812	if (cctx->flags & CC_TRACE)
		813	PL_runops = runops_trace;
600		814
601	Zero (&myop, 1, LOGOP);	815	Zero (&myop, 1, LOGOP);
602	myop.op_next = PL_op;	816	myop.op_next = PL_op;
603	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	817	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
604		818
…		…
621	dTHX;	835	dTHX;
622		836
623	/* coro_run is the alternative tail of transfer(), so unlock here. */	837	/* coro_run is the alternative tail of transfer(), so unlock here. */
624	UNLOCK;	838	UNLOCK;
625		839
626	PL_top_env = &PL_start_env;	840	/* we now skip the entersub that lead to transfer() */
		841	PL_op = PL_op->op_next;
627		842
628	/* inject a fake subroutine call to cctx_init */	843	/* inject a fake subroutine call to cctx_init */
629	prepare_cctx (aTHX_ (coro_cctx *)arg);	844	prepare_cctx (aTHX_ (coro_cctx *)arg);
630		845
631	/* somebody or something will hit me for both perl_run and PL_restartop */	846	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
665	# if CORO_STACKGUARD	880	# if CORO_STACKGUARD
666	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	881	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
667	# endif	882	# endif
668	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	883	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
669	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	884	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
670	cctx->mapped = 1;	885	cctx->flags \|= CC_MAPPED;
671	}	886	}
672	else	887	else
673	#endif	888	#endif
674	{	889	{
675	cctx->ssize = coro_stacksize * (long)sizeof (long);	890	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
702	#if CORO_USE_VALGRIND	917	#if CORO_USE_VALGRIND
703	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	918	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
704	#endif	919	#endif
705		920
706	#if HAVE_MMAP	921	#if HAVE_MMAP
707	if (cctx->mapped)	922	if (cctx->flags & CC_MAPPED)
708	munmap (cctx->sptr, cctx->ssize);	923	munmap (cctx->sptr, cctx->ssize);
709	else	924	else
710	#endif	925	#endif
711	Safefree (cctx->sptr);	926	Safefree (cctx->sptr);
712		927
…		…
720	{	935	{
721	coro_cctx *cctx = cctx_first;	936	coro_cctx *cctx = cctx_first;
722	cctx_first = cctx->next;	937	cctx_first = cctx->next;
723	--cctx_idle;	938	--cctx_idle;
724		939
725	if (cctx->ssize >= coro_stacksize)	940	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
726	return cctx;	941	return cctx;
727		942
728	cctx_destroy (cctx);	943	cctx_destroy (cctx);
729	}	944	}
730		945
731	PL_op = PL_op->op_next;
732	return cctx_new ();	946	return cctx_new ();
733	}	947	}
734		948
735	static void	949	static void
736	cctx_put (coro_cctx *cctx)	950	cctx_put (coro_cctx *cctx)
…		…
740	{	954	{
741	coro_cctx *first = cctx_first;	955	coro_cctx *first = cctx_first;
742	cctx_first = first->next;	956	cctx_first = first->next;
743	--cctx_idle;	957	--cctx_idle;
744		958
745	assert (!first->inuse);
746	cctx_destroy (first);	959	cctx_destroy (first);
747	}	960	}
748		961
749	++cctx_idle;	962	++cctx_idle;
750	cctx->next = cctx_first;	963	cctx->next = cctx_first;
751	cctx_first = cctx;	964	cctx_first = cctx;
752	}	965	}
753		966
754	/ coroutine switching ***************************************************/	967	/ coroutine switching ***************************************************/
755		968
756	/* never call directly, always through the coro_state_transfer global variable */	969	static void NOINLINE
		970	transfer_check (pTHX_ struct coro prev, struct coro next)
		971	{
		972	if (prev != next)
		973	{
		974	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		975	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		976
		977	if (next->flags & CF_RUNNING)
		978	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		979
		980	if (next->flags & CF_DESTROYED)
		981	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		982
		983	if (PL_lex_state != LEX_NOTPARSING)
		984	croak ("Coro::State::transfer called while parsing, but this is not supported");
		985	}
		986	}
		987
		988	/* always use the TRANSFER macro */
757	static void NOINLINE	989	static void NOINLINE
758	transfer (pTHX_ struct coro prev, struct coro next)	990	transfer (pTHX_ struct coro prev, struct coro next)
759	{	991	{
760	dSTACKLEVEL;	992	dSTACKLEVEL;
761		993
…		…
771		1003
772	if (prev->flags & CF_NEW)	1004	if (prev->flags & CF_NEW)
773	{	1005	{
774	/* create a new empty context */	1006	/* create a new empty context */
775	Newz (0, prev->cctx, 1, coro_cctx);	1007	Newz (0, prev->cctx, 1, coro_cctx);
776	prev->cctx->inuse = 1;
777	prev->flags &= ~CF_NEW;	1008	prev->flags &= ~CF_NEW;
778	prev->flags \|= CF_RUNNING;	1009	prev->flags \|= CF_RUNNING;
779	}	1010	}
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		1011
791	prev->flags &= ~CF_RUNNING;	1012	prev->flags &= ~CF_RUNNING;
792	next->flags \|= CF_RUNNING;	1013	next->flags \|= CF_RUNNING;
793		1014
794	LOCK;	1015	LOCK;
…		…
798	/* need to start coroutine */	1019	/* need to start coroutine */
799	next->flags &= ~CF_NEW;	1020	next->flags &= ~CF_NEW;
800	/* first get rid of the old state */	1021	/* first get rid of the old state */
801	save_perl (aTHX_ prev);	1022	save_perl (aTHX_ prev);
802	/* setup coroutine call */	1023	/* setup coroutine call */
803	setup_coro (aTHX_ next);	1024	coro_setup (aTHX_ next);
804	/* need a new stack */
805	assert (!next->cctx);
806	}	1025	}
807	else	1026	else
808	{	1027	{
809	/* coroutine already started */	1028	/* coroutine already started */
810	save_perl (aTHX_ prev);	1029	save_perl (aTHX_ prev);
…		…
812	}	1031	}
813		1032
814	prev__cctx = prev->cctx;	1033	prev__cctx = prev->cctx;
815		1034
816	/* possibly "free" the cctx */	1035	/* possibly "free" the cctx */
817	if (prev__cctx->idle_sp == STACKLEVEL)	1036	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
818	{	1037	{
819	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1038	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
820	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1039	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
821		1040
822	prev->cctx = 0;	1041	prev->cctx = 0;
823		1042
824	cctx_put (prev__cctx);	1043	cctx_put (prev__cctx);
825	prev__cctx->inuse = 0;
826	}	1044	}
827		1045
		1046	++next->usecount;
		1047
828	if (!next->cctx)	1048	if (!next->cctx)
829	{
830	next->cctx = cctx_get (aTHX);	1049	next->cctx = cctx_get (aTHX);
831	assert (!next->cctx->inuse);
832	next->cctx->inuse = 1;
833	}
834		1050
835	if (prev__cctx != next->cctx)	1051	if (prev__cctx != next->cctx)
836	{	1052	{
837	prev__cctx->top_env = PL_top_env;	1053	prev__cctx->top_env = PL_top_env;
838	PL_top_env = next->cctx->top_env;	1054	PL_top_env = next->cctx->top_env;
…		…
848	{	1064	{
849	struct coro prev, next;	1065	struct coro prev, next;
850	};	1066	};
851		1067
852	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1068	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1069	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
853		1070
854	/ high level stuff ******************************************************/	1071	/ high level stuff ******************************************************/
855		1072
856	static int	1073	static int
857	coro_state_destroy (pTHX_ struct coro *coro)	1074	coro_state_destroy (pTHX_ struct coro *coro)
…		…
874		1091
875	if (coro->mainstack && coro->mainstack != main_mainstack)	1092	if (coro->mainstack && coro->mainstack != main_mainstack)
876	{	1093	{
877	struct coro temp;	1094	struct coro temp;
878		1095
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)	1096	if (coro->flags & CF_RUNNING)
885	croak ("FATAL: tried to destroy currently running coroutine");	1097	croak ("FATAL: tried to destroy currently running coroutine");
886		1098
887	save_perl (aTHX_ &temp);	1099	save_perl (aTHX_ &temp);
888	load_perl (aTHX_ coro);	1100	load_perl (aTHX_ coro);
889		1101
890	coro_destroy_stacks (aTHX);	1102	coro_destroy (aTHX_ coro);
891		1103
892	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1104	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
893		1105
894	coro->mainstack = 0;	1106	coro->mainstack = 0;
895	}	1107	}
896		1108
897	cctx_destroy (coro->cctx);	1109	cctx_destroy (coro->cctx);
898	SvREFCNT_dec (coro->args);	1110	SvREFCNT_dec (coro->args);
899		1111
		1112	if (coro->next) coro->next->prev = coro->prev;
		1113	if (coro->prev) coro->prev->next = coro->next;
		1114	if (coro == coro_first) coro_first = coro->next;
		1115
900	return 1;	1116	return 1;
901	}	1117	}
902		1118
903	static int	1119	static int
904	coro_state_free (pTHX_ SV sv, MAGIC mg)	1120	coro_state_free (pTHX_ SV sv, MAGIC mg)
905	{	1121	{
906	struct coro coro = (struct coro )mg->mg_ptr;	1122	struct coro coro = (struct coro )mg->mg_ptr;
907	mg->mg_ptr = 0;	1123	mg->mg_ptr = 0;
		1124
		1125	coro->hv = 0;
908		1126
909	if (--coro->refcnt < 0)	1127	if (--coro->refcnt < 0)
910	{	1128	{
911	coro_state_destroy (aTHX_ coro);	1129	coro_state_destroy (aTHX_ coro);
912	Safefree (coro);	1130	Safefree (coro);
…		…
934	#else	1152	#else
935	# define MGf_DUP 0	1153	# define MGf_DUP 0
936	#endif	1154	#endif
937	};	1155	};
938		1156
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	1157	static void
963	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1158	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
964	{	1159	{
965	ta->prev = SvSTATE (prev_sv);	1160	ta->prev = SvSTATE (prev_sv);
966	ta->next = SvSTATE (next_sv);	1161	ta->next = SvSTATE (next_sv);
		1162	TRANSFER_CHECK (*ta);
967	}	1163	}
968		1164
969	static void	1165	static void
970	api_transfer (SV prev_sv, SV next_sv)	1166	api_transfer (SV prev_sv, SV next_sv)
971	{	1167	{
972	dTHX;	1168	dTHX;
973	struct transfer_args ta;	1169	struct transfer_args ta;
974		1170
975	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1171	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
976	TRANSFER (ta);	1172	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	}	1173	}
991		1174
992	/ Coro ******************************************************************/	1175	/ Coro ******************************************************************/
993		1176
994	static void	1177	static void
…		…
1088	break;	1271	break;
1089	}	1272	}
1090		1273
1091	/* free this only after the transfer */	1274	/* free this only after the transfer */
1092	prev_sv = SvRV (coro_current);	1275	prev_sv = SvRV (coro_current);
1093	SvRV_set (coro_current, next_sv);
1094	ta->prev = SvSTATE (prev_sv);	1276	ta->prev = SvSTATE (prev_sv);
1095		1277	TRANSFER_CHECK (*ta);
1096	assert (ta->next->flags & CF_READY);	1278	assert (ta->next->flags & CF_READY);
1097	ta->next->flags &= ~CF_READY;	1279	ta->next->flags &= ~CF_READY;
		1280	SvRV_set (coro_current, next_sv);
1098		1281
1099	LOCK;	1282	LOCK;
1100	free_coro_mortal (aTHX);	1283	free_coro_mortal (aTHX);
1101	coro_mortal = prev_sv;	1284	coro_mortal = prev_sv;
1102	UNLOCK;	1285	UNLOCK;
…		…
1163	}	1346	}
1164	else	1347	else
1165	return 0;	1348	return 0;
1166	}	1349	}
1167		1350
		1351	static void
		1352	api_trace (SV *coro_sv, int flags)
		1353	{
		1354	dTHX;
		1355	struct coro *coro = SvSTATE (coro_sv);
		1356
		1357	if (flags & CC_TRACE)
		1358	{
		1359	if (!coro->cctx)
		1360	coro->cctx = cctx_new ();
		1361	else if (!(coro->cctx->flags & CC_TRACE))
		1362	croak ("cannot enable tracing on coroutine with custom stack");
		1363
		1364	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1365	}
		1366	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1367	{
		1368	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1369
		1370	if (coro->flags & CF_RUNNING)
		1371	PL_runops = RUNOPS_DEFAULT;
		1372	else
		1373	coro->runops = RUNOPS_DEFAULT;
		1374	}
		1375	}
		1376
1168	MODULE = Coro::State PACKAGE = Coro::State	1377	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1169		1378
1170	PROTOTYPES: DISABLE	1379	PROTOTYPES: DISABLE
1171		1380
1172	BOOT:	1381	BOOT:
1173	{	1382	{
1174	#ifdef USE_ITHREADS	1383	#ifdef USE_ITHREADS
1175	MUTEX_INIT (&coro_mutex);	1384	MUTEX_INIT (&coro_mutex);
1176	#endif	1385	#endif
1177	BOOT_PAGESIZE;	1386	BOOT_PAGESIZE;
1178		1387
		1388	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1389	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1390
1179	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1391	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1180		1392
1181	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1393	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1182	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1394	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));	1395	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1187	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1396	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1188		1397
1189	main_mainstack = PL_mainstack;	1398	main_mainstack = PL_mainstack;
1190	main_top_env = PL_top_env;	1399	main_top_env = PL_top_env;
1191		1400
1192	while (main_top_env->je_prev)	1401	while (main_top_env->je_prev)
…		…
1205	struct coro *coro;	1414	struct coro *coro;
1206	HV *hv;	1415	HV *hv;
1207	int i;	1416	int i;
1208		1417
1209	Newz (0, coro, 1, struct coro);	1418	Newz (0, coro, 1, struct coro);
1210	coro->args = newAV ();	1419	coro->args = newAV ();
1211	coro->save = CORO_SAVE_DEF;
1212	coro->flags = CF_NEW;	1420	coro->flags = CF_NEW;
1213		1421
		1422	if (coro_first) coro_first->prev = coro;
		1423	coro->next = coro_first;
		1424	coro_first = coro;
		1425
1214	hv = newHV ();	1426	coro->hv = hv = newHV ();
1215	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1427	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));	1428	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1217		1429
1218	for (i = 1; i < items; i++)	1430	for (i = 1; i < items; i++)
1219	av_push (coro->args, newSVsv (ST (i)));	1431	av_push (coro->args, newSVsv (ST (i)));
1220	}	1432	}
1221	OUTPUT:	1433	OUTPUT:
1222	RETVAL	1434	RETVAL
1223		1435
1224	int	1436	# these not obviously related functions are all rolled into the same xs
1225	save (SV *coro, int new_save = -1)	1437	# function to increase chances that they all will call transfer with the same
1226	CODE:	1438	# 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	1439	void
1243	_set_stacklevel (...)	1440	_set_stacklevel (...)
1244	ALIAS:	1441	ALIAS:
1245	Coro::State::transfer = 1	1442	Coro::State::transfer = 1
1246	Coro::schedule = 2	1443	Coro::schedule = 2
…		…
1321	CODE:	1518	CODE:
1322	RETVAL = cctx_idle;	1519	RETVAL = cctx_idle;
1323	OUTPUT:	1520	OUTPUT:
1324	RETVAL	1521	RETVAL
1325		1522
		1523	void
		1524	list ()
		1525	PPCODE:
		1526	{
		1527	struct coro *coro;
		1528	for (coro = coro_first; coro; coro = coro->next)
		1529	if (coro->hv)
		1530	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1531	}
		1532
		1533	void
		1534	call (Coro::State coro, SV *coderef)
		1535	ALIAS:
		1536	eval = 1
		1537	CODE:
		1538	{
		1539	if (coro->mainstack)
		1540	{
		1541	struct coro temp;
		1542	Zero (&temp, 1, struct coro);
		1543
		1544	if (!(coro->flags & CF_RUNNING))
		1545	{
		1546	save_perl (aTHX_ &temp);
		1547	load_perl (aTHX_ coro);
		1548	}
		1549
		1550	{
		1551	dSP;
		1552	ENTER;
		1553	SAVETMPS;
		1554	PUSHMARK (SP);
		1555	PUTBACK;
		1556	if (ix)
		1557	eval_sv (coderef, 0);
		1558	else
		1559	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1560	SPAGAIN;
		1561	FREETMPS;
		1562	LEAVE;
		1563	PUTBACK;
		1564	}
		1565
		1566	if (!(coro->flags & CF_RUNNING))
		1567	{
		1568	save_perl (aTHX_ coro);
		1569	load_perl (aTHX_ &temp);
		1570	}
		1571	}
		1572	}
		1573
		1574	SV *
		1575	is_ready (Coro::State coro)
		1576	PROTOTYPE: $
		1577	ALIAS:
		1578	is_ready = CF_READY
		1579	is_running = CF_RUNNING
		1580	is_new = CF_NEW
		1581	is_destroyed = CF_DESTROYED
		1582	CODE:
		1583	RETVAL = boolSV (coro->flags & ix);
		1584	OUTPUT:
		1585	RETVAL
		1586
		1587	void
		1588	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1589
		1590	SV *
		1591	has_stack (Coro::State coro)
		1592	PROTOTYPE: $
		1593	CODE:
		1594	RETVAL = boolSV (!!coro->cctx);
		1595	OUTPUT:
		1596	RETVAL
		1597
		1598	int
		1599	is_traced (Coro::State coro)
		1600	PROTOTYPE: $
		1601	CODE:
		1602	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1603	OUTPUT:
		1604	RETVAL
		1605
		1606	IV
		1607	rss (Coro::State coro)
		1608	PROTOTYPE: $
		1609	ALIAS:
		1610	usecount = 1
		1611	CODE:
		1612	switch (ix)
		1613	{
		1614	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1615	case 1: RETVAL = coro->usecount; break;
		1616	}
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620
1326	MODULE = Coro::State PACKAGE = Coro	1621	MODULE = Coro::State PACKAGE = Coro
1327		1622
1328	BOOT:	1623	BOOT:
1329	{	1624	{
1330	int i;	1625	int i;
		1626
		1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1629	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1630
		1631	coro_current = get_sv ("Coro::current", FALSE);
		1632	SvREADONLY_on (coro_current);
1331		1633
1332	coro_stash = gv_stashpv ("Coro", TRUE);	1634	coro_stash = gv_stashpv ("Coro", TRUE);
1333		1635
1334	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1335	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1637	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1336	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1638	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1337	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1639	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1338	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1640	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1339	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1641	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1340		1642
1341	coro_current = get_sv ("Coro::current", FALSE);
1342	SvREADONLY_on (coro_current);
1343
1344	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1643	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1345	coro_ready[i] = newAV ();	1644	coro_ready[i] = newAV ();
1346		1645
1347	{	1646	{
1348	SV *sv = perl_get_sv("Coro::API", 1);	1647	SV *sv = perl_get_sv("Coro::API", 1);
1349		1648
1350	coroapi.schedule = api_schedule;	1649	coroapi.schedule = api_schedule;
1351	coroapi.save = api_save;
1352	coroapi.cede = api_cede;	1650	coroapi.cede = api_cede;
1353	coroapi.cede_notself = api_cede_notself;	1651	coroapi.cede_notself = api_cede_notself;
1354	coroapi.ready = api_ready;	1652	coroapi.ready = api_ready;
1355	coroapi.is_ready = api_is_ready;	1653	coroapi.is_ready = api_is_ready;
1356	coroapi.nready = &coro_nready;	1654	coroapi.nready = &coro_nready;
…		…
1397	CODE:	1695	CODE:
1398	RETVAL = boolSV (api_ready (self));	1696	RETVAL = boolSV (api_ready (self));
1399	OUTPUT:	1697	OUTPUT:
1400	RETVAL	1698	RETVAL
1401		1699
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	1700	int
1411	nready (...)	1701	nready (...)
1412	PROTOTYPE:	1702	PROTOTYPE:
1413	CODE:	1703	CODE:
1414	RETVAL = coro_nready;	1704	RETVAL = coro_nready;
1415	OUTPUT:	1705	OUTPUT:
1416	RETVAL	1706	RETVAL
1417		1707
		1708	# for async_pool speedup
		1709	void
		1710	_pool_1 (SV *cb)
		1711	CODE:
		1712	{
		1713	struct coro *coro = SvSTATE (coro_current);
		1714	HV hv = (HV )SvRV (coro_current);
		1715	AV *defav = GvAV (PL_defgv);
		1716	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1717	AV *invoke_av;
		1718	int i, len;
		1719
		1720	if (!invoke)
		1721	croak ("\3terminate\2\n");
		1722
		1723	SvREFCNT_dec (coro->saved_deffh);
		1724	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
		1725
		1726	hv_store (hv, "desc", sizeof ("desc") - 1,
		1727	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1728
		1729	invoke_av = (AV *)SvRV (invoke);
		1730	len = av_len (invoke_av);
		1731
		1732	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1733
		1734	if (len > 0)
		1735	{
		1736	av_fill (defav, len - 1);
		1737	for (i = 0; i < len; ++i)
		1738	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1739	}
		1740
		1741	SvREFCNT_dec (invoke);
		1742	}
		1743
		1744	void
		1745	_pool_2 (SV *cb)
		1746	CODE:
		1747	{
		1748	struct coro *coro = SvSTATE (coro_current);
		1749
		1750	sv_setsv (cb, &PL_sv_undef);
		1751
		1752	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1753	coro->saved_deffh = 0;
		1754
		1755	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1756	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1757	croak ("\3terminate\2\n");
		1758
		1759	av_clear (GvAV (PL_defgv));
		1760	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1761	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1762
		1763	coro->prio = 0;
		1764
		1765	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1766	api_trace (coro_current, 0);
		1767
		1768	av_push (av_async_pool, newSVsv (coro_current));
		1769	}
		1770
		1771
1418	MODULE = Coro::State PACKAGE = Coro::AIO	1772	MODULE = Coro::State PACKAGE = Coro::AIO
1419		1773
1420	SV *	1774	SV *
1421	_get_state ()	1775	_get_state ()
1422	CODE:	1776	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC vs. Revision 1.190 by root, Fri Oct 5 20:39:39 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC vs.
Revision 1.190 by root, Fri Oct 5 20:39:39 2007 UTC