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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.146 by root, Sat Mar 17 19:51:57 2007 UTC vs.
Revision 1.181 by root, Wed Oct 3 17:37:33 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
…		…
129	};	128	};
130		129
131	static size_t coro_stacksize = CORO_STACKSIZE;	130	static size_t coro_stacksize = CORO_STACKSIZE;
132	static struct CoroAPI coroapi;	131	static struct CoroAPI coroapi;
133	static AV main_mainstack; / used to differentiate between $main and others */	132	static AV main_mainstack; / used to differentiate between $main and others */
		133	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	134	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	135	static SV coro_mortal; / will be freed after next transfer */
136		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
137	static struct coro_cctx *cctx_first;	144	static struct coro_cctx *cctx_first;
138	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	};
139		155
140	/* this is a structure representing a c-level coroutine */	156	/* this is a structure representing a c-level coroutine */
141	typedef struct coro_cctx {	157	typedef struct coro_cctx {
142	struct coro_cctx *next;	158	struct coro_cctx *next;
143		159
…		…
152	coro_context cctx;	168	coro_context cctx;
153		169
154	#if CORO_USE_VALGRIND	170	#if CORO_USE_VALGRIND
155	int valgrind_id;	171	int valgrind_id;
156	#endif	172	#endif
157	char inuse, mapped;	173	unsigned char flags;
158	} coro_cctx;	174	} coro_cctx;
159		175
160	enum {	176	enum {
161	CF_RUNNING = 0x0001, /* coroutine is running */	177	CF_RUNNING = 0x0001, /* coroutine is running */
162	CF_READY = 0x0002, /* coroutine is ready */	178	CF_READY = 0x0002, /* coroutine is ready */
…		…
170	coro_cctx *cctx;	186	coro_cctx *cctx;
171		187
172	/* data associated with this coroutine (initial args) */	188	/* data associated with this coroutine (initial args) */
173	AV *args;	189	AV *args;
174	int refcnt;	190	int refcnt;
175	int save; /* CORO_SAVE flags */
176	int flags; /* CF_ flags */	191	int flags; /* CF_ flags */
177		192
178	/* optionally saved, might be zero */	193	/* optionally saved, might be zero */
179	AV defav; / @_ */	194	AV defav; / @_ */
180	SV defsv; / $_ */	195	SV defsv; / $_ */
181	SV errsv; / $@ */	196	SV errsv; / $@ */
		197	GV deffh; / default filehandle */
182	SV irssv; / $/ */	198	SV irssv; / $/ */
183	SV irssv_sv; / real $/ cache */	199	SV irssv_sv; / real $/ cache */
184		200
185	#define VAR(name,type) type name;	201	#define VAR(name,type) type name;
186	# include "state.h"	202	# include "state.h"
187	#undef VAR	203	#undef VAR
188		204
		205	/* statistics */
		206	int usecount; /* number of transfers to this coro */
		207
189	/* coro process data */	208	/* coro process data */
190	int prio;	209	int prio;
		210	//SV *throw;
		211
		212	/* async_pool */
		213	GV *defoutgv;
		214
		215	/* linked list */
		216	struct coro next, prev;
		217	HV hv; / the perl hash associated with this coro, if any */
191	};	218	};
192		219
193	typedef struct coro *Coro__State;	220	typedef struct coro *Coro__State;
194	typedef struct coro *Coro__State_or_hashref;	221	typedef struct coro *Coro__State_or_hashref;
195		222
…		…
204		231
205	/* for Coro.pm */	232	/* for Coro.pm */
206	static SV *coro_current;	233	static SV *coro_current;
207	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
208	static int coro_nready;	235	static int coro_nready;
		236	static struct coro *coro_first;
209		237
210	/ lowlevel stuff ********************************************************/	238	/ lowlevel stuff ********************************************************/
211		239
212	static AV *	240	static AV *
213	coro_clone_padlist (pTHX_ CV *cv)	241	coro_clone_padlist (pTHX_ CV *cv)
…		…
278	SvMAGIC (cv) \	306	SvMAGIC (cv) \
279	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	307	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
280	? SvMAGIC (cv) \	308	? SvMAGIC (cv) \
281	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	309	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
282	: 0	310	: 0
		311
		312	static struct coro *
		313	SvSTATE_ (pTHX_ SV *coro)
		314	{
		315	HV *stash;
		316	MAGIC *mg;
		317
		318	if (SvROK (coro))
		319	coro = SvRV (coro);
		320
		321	if (SvTYPE (coro) != SVt_PVHV)
		322	croak ("Coro::State object required");
		323
		324	stash = SvSTASH (coro);
		325	if (stash != coro_stash && stash != coro_state_stash)
		326	{
		327	/* very slow, but rare, check */
		328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		329	croak ("Coro::State object required");
		330	}
		331
		332	mg = CORO_MAGIC (coro);
		333	return (struct coro *)mg->mg_ptr;
		334	}
		335
		336	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
283		337
284	/* the next two functions merely cache the padlists */	338	/* the next two functions merely cache the padlists */
285	static void	339	static void
286	get_padlist (pTHX_ CV *cv)	340	get_padlist (pTHX_ CV *cv)
287	{	341	{
…		…
326	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
327	}	381	}
328		382
329	/ load & save, init *****************************************************/	383	/ load & save, init *****************************************************/
330		384
331	#define SB do {
332	#define SE } while (0)
333
334	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
335
336	static void	385	static void
337	load_perl (pTHX_ Coro__State c)	386	load_perl (pTHX_ Coro__State c)
338	{	387	{
339	#define VAR(name,type) PL_ ## name = c->name;	388	#define VAR(name,type) PL_ ## name = c->name;
340	# include "state.h"	389	# include "state.h"
341	#undef VAR	390	#undef VAR
342		391
343	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	392	GvSV (PL_defgv) = c->defsv;
344	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	393	GvAV (PL_defgv) = c->defav;
345	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	394	GvSV (PL_errgv) = c->errsv;
346	if (c->irssv)	395	PL_defoutgv = c->deffh;
347	{	396	PL_rs = c->irssv;
348	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	397	GvSV (irsgv) = c->irssv_sv;
349	SvREFCNT_dec (c->irssv);
350	else
351	{
352	REPLACE_SV (PL_rs, c->irssv);
353	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
354	sv_setsv (c->irssv_sv, PL_rs);
355	}
356	}
357		398
358	{	399	{
359	dSP;	400	dSP;
360	CV *cv;	401	CV *cv;
361		402
…		…
367	CvPADLIST (cv) = (AV *)POPs;	408	CvPADLIST (cv) = (AV *)POPs;
368	}	409	}
369		410
370	PUTBACK;	411	PUTBACK;
371	}	412	}
372	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
373	}	413	}
374		414
375	static void	415	static void
376	save_perl (pTHX_ Coro__State c)	416	save_perl (pTHX_ Coro__State c)
377	{	417	{
378	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
379	{	418	{
380	dSP;	419	dSP;
381	I32 cxix = cxstack_ix;	420	I32 cxix = cxstack_ix;
382	PERL_CONTEXT *ccstk = cxstack;	421	PERL_CONTEXT *ccstk = cxstack;
383	PERL_SI *top_si = PL_curstackinfo;	422	PERL_SI *top_si = PL_curstackinfo;
…		…
385	/*	424	/*
386	* the worst thing you can imagine happens first - we have to save	425	* the worst thing you can imagine happens first - we have to save
387	* (and reinitialize) all cv's in the whole callchain :(	426	* (and reinitialize) all cv's in the whole callchain :(
388	*/	427	*/
389		428
390	EXTEND (SP, 3 + 1);
391	PUSHs (Nullsv);	429	XPUSHs (Nullsv);
392	/* this loop was inspired by pp_caller */	430	/* this loop was inspired by pp_caller */
393	for (;;)	431	for (;;)
394	{	432	{
395	while (cxix >= 0)	433	while (cxix >= 0)
396	{	434	{
397	PERL_CONTEXT *cx = &ccstk[cxix--];	435	PERL_CONTEXT *cx = &ccstk[cxix--];
398		436
399	if (CxTYPE (cx) == CXt_SUB)	437	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
400	{	438	{
401	CV *cv = cx->blk_sub.cv;	439	CV *cv = cx->blk_sub.cv;
402		440
403	if (CvDEPTH (cv))	441	if (CvDEPTH (cv))
404	{	442	{
…		…
415		453
416	if (top_si->si_type == PERLSI_MAIN)	454	if (top_si->si_type == PERLSI_MAIN)
417	break;	455	break;
418		456
419	top_si = top_si->si_prev;	457	top_si = top_si->si_prev;
420	ccstk = top_si->si_cxstack;	458	ccstk = top_si->si_cxstack;
421	cxix = top_si->si_cxix;	459	cxix = top_si->si_cxix;
422	}	460	}
423		461
424	PUTBACK;	462	PUTBACK;
425	}	463	}
426		464
427	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	465	c->defav = GvAV (PL_defgv);
428	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	466	c->defsv = DEFSV;
429	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	467	c->errsv = ERRSV;
430	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	468	c->deffh = PL_defoutgv;
		469	c->irssv = PL_rs;
		470	c->irssv_sv = GvSV (irsgv);
431		471
432	#define VAR(name,type)c->name = PL_ ## name;	472	#define VAR(name,type)c->name = PL_ ## name;
433	# include "state.h"	473	# include "state.h"
434	#undef VAR	474	#undef VAR
435	}	475	}
…		…
444	# define coro_init_stacks init_stacks	484	# define coro_init_stacks init_stacks
445	#else	485	#else
446	static void	486	static void
447	coro_init_stacks (pTHX)	487	coro_init_stacks (pTHX)
448	{	488	{
449	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	489	PL_curstackinfo = new_stackinfo(64, 6);
450	PL_curstackinfo->si_type = PERLSI_MAIN;	490	PL_curstackinfo->si_type = PERLSI_MAIN;
451	PL_curstack = PL_curstackinfo->si_stack;	491	PL_curstack = PL_curstackinfo->si_stack;
452	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	492	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
453		493
454	PL_stack_base = AvARRAY(PL_curstack);	494	PL_stack_base = AvARRAY(PL_curstack);
455	PL_stack_sp = PL_stack_base;	495	PL_stack_sp = PL_stack_base;
456	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	496	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
457		497
458	New(50,PL_tmps_stack,128,SV*);	498	New(50,PL_tmps_stack,64,SV*);
459	PL_tmps_floor = -1;	499	PL_tmps_floor = -1;
460	PL_tmps_ix = -1;	500	PL_tmps_ix = -1;
461	PL_tmps_max = 128;	501	PL_tmps_max = 64;
462		502
463	New(54,PL_markstack,32,I32);	503	New(54,PL_markstack,16,I32);
464	PL_markstack_ptr = PL_markstack;	504	PL_markstack_ptr = PL_markstack;
465	PL_markstack_max = PL_markstack + 32;	505	PL_markstack_max = PL_markstack + 16;
466		506
467	#ifdef SET_MARK_OFFSET	507	#ifdef SET_MARK_OFFSET
468	SET_MARK_OFFSET;	508	SET_MARK_OFFSET;
469	#endif	509	#endif
470		510
471	New(54,PL_scopestack,32,I32);	511	New(54,PL_scopestack,16,I32);
472	PL_scopestack_ix = 0;	512	PL_scopestack_ix = 0;
473	PL_scopestack_max = 32;	513	PL_scopestack_max = 16;
474		514
475	New(54,PL_savestack,64,ANY);	515	New(54,PL_savestack,64,ANY);
476	PL_savestack_ix = 0;	516	PL_savestack_ix = 0;
477	PL_savestack_max = 64;	517	PL_savestack_max = 64;
478		518
479	#if !PERL_VERSION_ATLEAST (5,9,0)	519	#if !PERL_VERSION_ATLEAST (5,9,0)
480	New(54,PL_retstack,16,OP*);	520	New(54,PL_retstack,4,OP*);
481	PL_retstack_ix = 0;	521	PL_retstack_ix = 0;
482	PL_retstack_max = 16;	522	PL_retstack_max = 4;
483	#endif	523	#endif
484	}	524	}
485	#endif	525	#endif
486		526
487	/*	527	/*
488	* destroy the stacks, the callchain etc...	528	* destroy the stacks, the callchain etc...
489	*/	529	*/
490	static void	530	static void
491	coro_destroy_stacks (pTHX)	531	coro_destroy_stacks (pTHX)
492	{	532	{
493	if (!IN_DESTRUCT)
494	{
495	/* restore all saved variables and stuff */
496	LEAVE_SCOPE (0);
497	assert (PL_tmps_floor == -1);
498
499	/* free all temporaries */
500	FREETMPS;
501	assert (PL_tmps_ix == -1);
502
503	/* unwind all extra stacks */
504	POPSTACK_TO (PL_mainstack);
505
506	/* unwind main stack */
507	dounwind (-1);
508	}
509
510	while (PL_curstackinfo->si_next)	533	while (PL_curstackinfo->si_next)
511	PL_curstackinfo = PL_curstackinfo->si_next;	534	PL_curstackinfo = PL_curstackinfo->si_next;
512		535
513	while (PL_curstackinfo)	536	while (PL_curstackinfo)
514	{	537	{
…		…
529	#if !PERL_VERSION_ATLEAST (5,9,0)	552	#if !PERL_VERSION_ATLEAST (5,9,0)
530	Safefree (PL_retstack);	553	Safefree (PL_retstack);
531	#endif	554	#endif
532	}	555	}
533		556
		557	static size_t
		558	coro_rss (pTHX_ struct coro *coro)
		559	{
		560	size_t rss = sizeof (coro);
		561
		562	if (coro->mainstack)
		563	{
		564	if (coro->flags & CF_RUNNING)
		565	{
		566	#define VAR(name,type)coro->name = PL_ ## name;
		567	# include "state.h"
		568	#undef VAR
		569	}
		570
		571	rss += sizeof (coro->curstackinfo);
		572	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		573	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		574	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		575	rss += coro->tmps_max * sizeof (SV *);
		576	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		577	rss += coro->scopestack_max * sizeof (I32);
		578	rss += coro->savestack_max * sizeof (ANY);
		579
		580	#if !PERL_VERSION_ATLEAST (5,9,0)
		581	rss += coro->retstack_max * sizeof (OP *);
		582	#endif
		583	}
		584
		585	return rss;
		586	}
		587
534	/ coroutine stack handling **********************************************/	588	/ coroutine stack handling **********************************************/
535		589
536	static void	590	static void
537	setup_coro (pTHX_ struct coro *coro)	591	coro_setup (pTHX_ struct coro *coro)
538	{	592	{
539	/*	593	/*
540	* emulate part of the perl startup here.	594	* emulate part of the perl startup here.
541	*/	595	*/
542	coro_init_stacks (aTHX);	596	coro_init_stacks (aTHX);
543		597
		598	PL_runops = RUNOPS_DEFAULT;
544	PL_curcop = &PL_compiling;	599	PL_curcop = &PL_compiling;
545	PL_in_eval = EVAL_NULL;	600	PL_in_eval = EVAL_NULL;
546	PL_comppad = 0;	601	PL_comppad = 0;
547	PL_curpm = 0;	602	PL_curpm = 0;
548	PL_localizing = 0;	603	PL_localizing = 0;
549	PL_dirty = 0;	604	PL_dirty = 0;
550	PL_restartop = 0;	605	PL_restartop = 0;
		606
		607	GvSV (PL_defgv) = NEWSV (0, 0);
		608	GvAV (PL_defgv) = coro->args; coro->args = 0;
		609	GvSV (PL_errgv) = NEWSV (0, 0);
		610	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		611	PL_rs = newSVsv (GvSV (irsgv));
		612
		613	{
		614	IO *io = newIO ();
		615	PL_defoutgv = newGVgen ("Coro");
		616	GvIOp(PL_defoutgv) = io;
		617	IoTYPE (io) = IoTYPE_WRONLY;
		618	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
		619	IoFLAGS (io) \|= IOf_FLUSH;
		620	}
551		621
552	{	622	{
553	dSP;	623	dSP;
554	LOGOP myop;	624	LOGOP myop;
555		625
556	SvREFCNT_dec (GvAV (PL_defgv));
557	GvAV (PL_defgv) = coro->args; coro->args = 0;
558
559	Zero (&myop, 1, LOGOP);	626	Zero (&myop, 1, LOGOP);
560	myop.op_next = Nullop;	627	myop.op_next = Nullop;
561	myop.op_flags = OPf_WANT_VOID;	628	myop.op_flags = OPf_WANT_VOID;
562		629
563	PUSHMARK (SP);	630	PUSHMARK (SP);
564	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	631	XPUSHs (av_shift (GvAV (PL_defgv)));
565	PUTBACK;	632	PUTBACK;
566	PL_op = (OP *)&myop;	633	PL_op = (OP *)&myop;
567	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	634	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
568	SPAGAIN;	635	SPAGAIN;
569	}	636	}
570		637
571	ENTER; /* necessary e.g. for dounwind */	638	ENTER; /* necessary e.g. for dounwind */
572	}	639	}
573		640
574	static void	641	static void
		642	coro_destroy (pTHX_ struct coro *coro)
		643	{
		644	if (!IN_DESTRUCT)
		645	{
		646	/* restore all saved variables and stuff */
		647	LEAVE_SCOPE (0);
		648	assert (PL_tmps_floor == -1);
		649
		650	/* free all temporaries */
		651	FREETMPS;
		652	assert (PL_tmps_ix == -1);
		653
		654	/* unwind all extra stacks */
		655	POPSTACK_TO (PL_mainstack);
		656
		657	/* unwind main stack */
		658	dounwind (-1);
		659	}
		660
		661	SvREFCNT_dec (GvSV (PL_defgv));
		662	SvREFCNT_dec (GvAV (PL_defgv));
		663	SvREFCNT_dec (GvSV (PL_errgv));
		664	SvREFCNT_dec (PL_defoutgv);
		665	SvREFCNT_dec (PL_rs);
		666	SvREFCNT_dec (GvSV (irsgv));
		667
		668	SvREFCNT_dec (coro->defoutgv);
		669	//SvREFCNT_dec (coro->throw);
		670
		671	coro_destroy_stacks (aTHX);
		672	}
		673
		674	static void
575	free_coro_mortal (pTHX)	675	free_coro_mortal (pTHX)
576	{	676	{
577	if (coro_mortal)	677	if (coro_mortal)
578	{	678	{
579	SvREFCNT_dec (coro_mortal);	679	SvREFCNT_dec (coro_mortal);
580	coro_mortal = 0;	680	coro_mortal = 0;
581	}	681	}
582	}	682	}
583		683
		684	static int
		685	runops_trace (pTHX)
		686	{
		687	COP *oldcop = 0;
		688	int oldcxix = -2;
		689	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		690	coro_cctx *cctx = coro->cctx;
		691
		692	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		693	{
		694	PERL_ASYNC_CHECK ();
		695
		696	if (cctx->flags & CC_TRACE_ALL)
		697	{
		698	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		699	{
		700	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		701	SV bot, top;
		702	AV av = newAV (); / return values */
		703	SV **cb;
		704	dSP;
		705
		706	GV *gv = CvGV (cx->blk_sub.cv);
		707	SV *fullname = sv_2mortal (newSV (0));
		708	if (isGV (gv))
		709	gv_efullname3 (fullname, gv, 0);
		710
		711	bot = PL_stack_base + cx->blk_oldsp + 1;
		712	top = cx->blk_gimme == G_ARRAY ? SP + 1
		713	: cx->blk_gimme == G_SCALAR ? bot + 1
		714	: bot;
		715
		716	while (bot < top)
		717	av_push (av, SvREFCNT_inc (*bot++));
		718
		719	PL_runops = RUNOPS_DEFAULT;
		720	ENTER;
		721	SAVETMPS;
		722	EXTEND (SP, 3);
		723	PUSHMARK (SP);
		724	PUSHs (&PL_sv_no);
		725	PUSHs (fullname);
		726	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		727	PUTBACK;
		728	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		729	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		730	SPAGAIN;
		731	FREETMPS;
		732	LEAVE;
		733	PL_runops = runops_trace;
		734	}
		735
		736	if (oldcop != PL_curcop)
		737	{
		738	oldcop = PL_curcop;
		739
		740	if (PL_curcop != &PL_compiling)
		741	{
		742	SV **cb;
		743
		744	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		745	{
		746	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		747
		748	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		749	{
		750	runops_proc_t old_runops = PL_runops;
		751	dSP;
		752	GV *gv = CvGV (cx->blk_sub.cv);
		753	SV *fullname = sv_2mortal (newSV (0));
		754
		755	if (isGV (gv))
		756	gv_efullname3 (fullname, gv, 0);
		757
		758	PL_runops = RUNOPS_DEFAULT;
		759	ENTER;
		760	SAVETMPS;
		761	EXTEND (SP, 3);
		762	PUSHMARK (SP);
		763	PUSHs (&PL_sv_yes);
		764	PUSHs (fullname);
		765	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		766	PUTBACK;
		767	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		768	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		769	SPAGAIN;
		770	FREETMPS;
		771	LEAVE;
		772	PL_runops = runops_trace;
		773	}
		774
		775	oldcxix = cxstack_ix;
		776	}
		777
		778	if (cctx->flags & CC_TRACE_LINE)
		779	{
		780	dSP;
		781
		782	PL_runops = RUNOPS_DEFAULT;
		783	ENTER;
		784	SAVETMPS;
		785	EXTEND (SP, 3);
		786	PL_runops = RUNOPS_DEFAULT;
		787	PUSHMARK (SP);
		788	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		789	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		790	PUTBACK;
		791	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		792	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		793	SPAGAIN;
		794	FREETMPS;
		795	LEAVE;
		796	PL_runops = runops_trace;
		797	}
		798	}
		799	}
		800	}
		801	}
		802
		803	TAINT_NOT;
		804	return 0;
		805	}
		806
584	/* inject a fake call to Coro::State::_cctx_init into the execution */	807	/* inject a fake call to Coro::State::_cctx_init into the execution */
		808	/* _cctx_init should be careful, as it could be called at almost any time */
		809	/* during execution of a perl program */
585	static void NOINLINE	810	static void NOINLINE
586	prepare_cctx (pTHX_ coro_cctx *cctx)	811	prepare_cctx (pTHX_ coro_cctx *cctx)
587	{	812	{
588	dSP;	813	dSP;
589	LOGOP myop;	814	LOGOP myop;
		815
		816	PL_top_env = &PL_start_env;
		817
		818	if (cctx->flags & CC_TRACE)
		819	PL_runops = runops_trace;
590		820
591	Zero (&myop, 1, LOGOP);	821	Zero (&myop, 1, LOGOP);
592	myop.op_next = PL_op;	822	myop.op_next = PL_op;
593	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	823	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
594		824
…		…
600	PL_op = (OP *)&myop;	830	PL_op = (OP *)&myop;
601	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	831	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
602	SPAGAIN;	832	SPAGAIN;
603	}	833	}
604		834
		835	/*
		836	* this is a _very_ stripped down perl interpreter ;)
		837	*/
605	static void	838	static void
606	coro_run (void *arg)	839	coro_run (void *arg)
607	{	840	{
608	dTHX;	841	dTHX;
609		842
610	/* coro_run is the alternative tail of transfer(), so unlock here. */	843	/* coro_run is the alternative tail of transfer(), so unlock here. */
611	UNLOCK;	844	UNLOCK;
612		845
613	/*	846	/* we now skip the entersub that lead to transfer() */
614	* this is a _very_ stripped down perl interpreter ;)	847	PL_op = PL_op->op_next;
615	*/
616	PL_top_env = &PL_start_env;
617		848
618	/* inject call to cctx_init */	849	/* inject a fake subroutine call to cctx_init */
619	prepare_cctx (aTHX_ (coro_cctx *)arg);	850	prepare_cctx (aTHX_ (coro_cctx *)arg);
620		851
621	/* somebody will hit me for both perl_run and PL_restartop */	852	/* somebody or something will hit me for both perl_run and PL_restartop */
622	PL_restartop = PL_op;	853	PL_restartop = PL_op;
623	perl_run (PL_curinterp);	854	perl_run (PL_curinterp);
624		855
625	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	856	/*
626	abort ();	857	* If perl-run returns we assume exit() was being called or the coro
		858	* fell off the end, which seems to be the only valid (non-bug)
		859	* reason for perl_run to return. We try to exit by jumping to the
		860	* bootstrap-time "top" top_env, as we cannot restore the "main"
		861	* coroutine as Coro has no such concept
		862	*/
		863	PL_top_env = main_top_env;
		864	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
627	}	865	}
628		866
629	static coro_cctx *	867	static coro_cctx *
630	cctx_new ()	868	cctx_new ()
631	{	869	{
…		…
648	# if CORO_STACKGUARD	886	# if CORO_STACKGUARD
649	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	887	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
650	# endif	888	# endif
651	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	889	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
652	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	890	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
653	cctx->mapped = 1;	891	cctx->flags \|= CC_MAPPED;
654	}	892	}
655	else	893	else
656	#endif	894	#endif
657	{	895	{
658	cctx->ssize = coro_stacksize * (long)sizeof (long);	896	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
685	#if CORO_USE_VALGRIND	923	#if CORO_USE_VALGRIND
686	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	924	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
687	#endif	925	#endif
688		926
689	#if HAVE_MMAP	927	#if HAVE_MMAP
690	if (cctx->mapped)	928	if (cctx->flags & CC_MAPPED)
691	munmap (cctx->sptr, cctx->ssize);	929	munmap (cctx->sptr, cctx->ssize);
692	else	930	else
693	#endif	931	#endif
694	Safefree (cctx->sptr);	932	Safefree (cctx->sptr);
695		933
…		…
703	{	941	{
704	coro_cctx *cctx = cctx_first;	942	coro_cctx *cctx = cctx_first;
705	cctx_first = cctx->next;	943	cctx_first = cctx->next;
706	--cctx_idle;	944	--cctx_idle;
707		945
708	if (cctx->ssize >= coro_stacksize)	946	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
709	return cctx;	947	return cctx;
710		948
711	cctx_destroy (cctx);	949	cctx_destroy (cctx);
712	}	950	}
713		951
714	PL_op = PL_op->op_next;
715	return cctx_new ();	952	return cctx_new ();
716	}	953	}
717		954
718	static void	955	static void
719	cctx_put (coro_cctx *cctx)	956	cctx_put (coro_cctx *cctx)
…		…
723	{	960	{
724	coro_cctx *first = cctx_first;	961	coro_cctx *first = cctx_first;
725	cctx_first = first->next;	962	cctx_first = first->next;
726	--cctx_idle;	963	--cctx_idle;
727		964
728	assert (!first->inuse);
729	cctx_destroy (first);	965	cctx_destroy (first);
730	}	966	}
731		967
732	++cctx_idle;	968	++cctx_idle;
733	cctx->next = cctx_first;	969	cctx->next = cctx_first;
734	cctx_first = cctx;	970	cctx_first = cctx;
735	}	971	}
736		972
737	/ coroutine switching ***************************************************/	973	/ coroutine switching ***************************************************/
738		974
739	/* never call directly, always through the coro_state_transfer global variable */	975	static void NOINLINE
		976	transfer_check (pTHX_ struct coro prev, struct coro next)
		977	{
		978	if (prev != next)
		979	{
		980	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		981	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		982
		983	if (next->flags & CF_RUNNING)
		984	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		985
		986	if (next->flags & CF_DESTROYED)
		987	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		988
		989	if (PL_lex_state != LEX_NOTPARSING)
		990	croak ("Coro::State::transfer called while parsing, but this is not supported");
		991	}
		992	}
		993
		994	/* always use the TRANSFER macro */
740	static void NOINLINE	995	static void NOINLINE
741	transfer (pTHX_ struct coro prev, struct coro next)	996	transfer (pTHX_ struct coro prev, struct coro next)
742	{	997	{
743	dSTACKLEVEL;	998	dSTACKLEVEL;
744		999
…		…
754		1009
755	if (prev->flags & CF_NEW)	1010	if (prev->flags & CF_NEW)
756	{	1011	{
757	/* create a new empty context */	1012	/* create a new empty context */
758	Newz (0, prev->cctx, 1, coro_cctx);	1013	Newz (0, prev->cctx, 1, coro_cctx);
759	prev->cctx->inuse = 1;
760	prev->flags &= ~CF_NEW;	1014	prev->flags &= ~CF_NEW;
761	prev->flags \|= CF_RUNNING;	1015	prev->flags \|= CF_RUNNING;
762	}	1016	}
763
764	/TODO: must not croak here /
765	if (!prev->flags & CF_RUNNING)
766	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
767
768	if (next->flags & CF_RUNNING)
769	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
770
771	if (next->flags & CF_DESTROYED)
772	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
773		1017
774	prev->flags &= ~CF_RUNNING;	1018	prev->flags &= ~CF_RUNNING;
775	next->flags \|= CF_RUNNING;	1019	next->flags \|= CF_RUNNING;
776		1020
777	LOCK;	1021	LOCK;
…		…
781	/* need to start coroutine */	1025	/* need to start coroutine */
782	next->flags &= ~CF_NEW;	1026	next->flags &= ~CF_NEW;
783	/* first get rid of the old state */	1027	/* first get rid of the old state */
784	save_perl (aTHX_ prev);	1028	save_perl (aTHX_ prev);
785	/* setup coroutine call */	1029	/* setup coroutine call */
786	setup_coro (aTHX_ next);	1030	coro_setup (aTHX_ next);
787	/* need a new stack */
788	assert (!next->cctx);
789	}	1031	}
790	else	1032	else
791	{	1033	{
792	/* coroutine already started */	1034	/* coroutine already started */
793	save_perl (aTHX_ prev);	1035	save_perl (aTHX_ prev);
…		…
795	}	1037	}
796		1038
797	prev__cctx = prev->cctx;	1039	prev__cctx = prev->cctx;
798		1040
799	/* possibly "free" the cctx */	1041	/* possibly "free" the cctx */
800	if (prev__cctx->idle_sp == STACKLEVEL)	1042	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
801	{	1043	{
802	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1044	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
803	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1045	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
804		1046
805	prev->cctx = 0;	1047	prev->cctx = 0;
806		1048
807	cctx_put (prev__cctx);	1049	cctx_put (prev__cctx);
808	prev__cctx->inuse = 0;
809	}	1050	}
810		1051
		1052	++next->usecount;
		1053
811	if (!next->cctx)	1054	if (!next->cctx)
812	{
813	next->cctx = cctx_get (aTHX);	1055	next->cctx = cctx_get (aTHX);
814	assert (!next->cctx->inuse);
815	next->cctx->inuse = 1;
816	}
817		1056
818	if (prev__cctx != next->cctx)	1057	if (prev__cctx != next->cctx)
819	{	1058	{
820	prev__cctx->top_env = PL_top_env;	1059	prev__cctx->top_env = PL_top_env;
821	PL_top_env = next->cctx->top_env;	1060	PL_top_env = next->cctx->top_env;
…		…
831	{	1070	{
832	struct coro prev, next;	1071	struct coro prev, next;
833	};	1072	};
834		1073
835	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1074	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1075	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
836		1076
837	/ high level stuff ******************************************************/	1077	/ high level stuff ******************************************************/
838		1078
839	static int	1079	static int
840	coro_state_destroy (pTHX_ struct coro *coro)	1080	coro_state_destroy (pTHX_ struct coro *coro)
…		…
857		1097
858	if (coro->mainstack && coro->mainstack != main_mainstack)	1098	if (coro->mainstack && coro->mainstack != main_mainstack)
859	{	1099	{
860	struct coro temp;	1100	struct coro temp;
861		1101
862	assert (!(coro->flags & CF_RUNNING));
863
864	Zero (&temp, 1, struct coro);
865	temp.save = CORO_SAVE_ALL;
866
867	if (coro->flags & CF_RUNNING)	1102	if (coro->flags & CF_RUNNING)
868	croak ("FATAL: tried to destroy currently running coroutine");	1103	croak ("FATAL: tried to destroy currently running coroutine");
869		1104
870	save_perl (aTHX_ &temp);	1105	save_perl (aTHX_ &temp);
871	load_perl (aTHX_ coro);	1106	load_perl (aTHX_ coro);
872		1107
873	coro_destroy_stacks (aTHX);	1108	coro_destroy (aTHX_ coro);
874		1109
875	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1110	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
876		1111
877	coro->mainstack = 0;	1112	coro->mainstack = 0;
878	}	1113	}
879		1114
880	cctx_destroy (coro->cctx);	1115	cctx_destroy (coro->cctx);
881	SvREFCNT_dec (coro->args);	1116	SvREFCNT_dec (coro->args);
882		1117
		1118	if (coro->next) coro->next->prev = coro->prev;
		1119	if (coro->prev) coro->prev->next = coro->next;
		1120	if (coro == coro_first) coro_first = coro->next;
		1121
883	return 1;	1122	return 1;
884	}	1123	}
885		1124
886	static int	1125	static int
887	coro_state_free (pTHX_ SV sv, MAGIC mg)	1126	coro_state_free (pTHX_ SV sv, MAGIC mg)
888	{	1127	{
889	struct coro coro = (struct coro )mg->mg_ptr;	1128	struct coro coro = (struct coro )mg->mg_ptr;
890	mg->mg_ptr = 0;	1129	mg->mg_ptr = 0;
		1130
		1131	coro->hv = 0;
891		1132
892	if (--coro->refcnt < 0)	1133	if (--coro->refcnt < 0)
893	{	1134	{
894	coro_state_destroy (aTHX_ coro);	1135	coro_state_destroy (aTHX_ coro);
895	Safefree (coro);	1136	Safefree (coro);
…		…
917	#else	1158	#else
918	# define MGf_DUP 0	1159	# define MGf_DUP 0
919	#endif	1160	#endif
920	};	1161	};
921		1162
922	static struct coro *
923	SvSTATE_ (pTHX_ SV *coro)
924	{
925	HV *stash;
926	MAGIC *mg;
927
928	if (SvROK (coro))
929	coro = SvRV (coro);
930
931	stash = SvSTASH (coro);
932	if (stash != coro_stash && stash != coro_state_stash)
933	{
934	/* very slow, but rare, check */
935	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
936	croak ("Coro::State object required");
937	}
938
939	mg = CORO_MAGIC (coro);
940	return (struct coro *)mg->mg_ptr;
941	}
942
943	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
944
945	static void	1163	static void
946	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1164	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
947	{	1165	{
948	ta->prev = SvSTATE (prev_sv);	1166	ta->prev = SvSTATE (prev_sv);
949	ta->next = SvSTATE (next_sv);	1167	ta->next = SvSTATE (next_sv);
		1168	TRANSFER_CHECK (*ta);
950	}	1169	}
951		1170
952	static void	1171	static void
953	api_transfer (SV prev_sv, SV next_sv)	1172	api_transfer (SV prev_sv, SV next_sv)
954	{	1173	{
955	dTHX;	1174	dTHX;
956	struct transfer_args ta;	1175	struct transfer_args ta;
957		1176
958	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1177	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
959	TRANSFER (ta);	1178	TRANSFER (ta);
960	}
961
962	static int
963	api_save (SV *coro_sv, int new_save)
964	{
965	dTHX;
966	struct coro *coro = SvSTATE (coro_sv);
967	int old_save = coro->save;
968
969	if (new_save >= 0)
970	coro->save = new_save;
971
972	return old_save;
973	}	1179	}
974		1180
975	/ Coro ******************************************************************/	1181	/ Coro ******************************************************************/
976		1182
977	static void	1183	static void
…		…
1071	break;	1277	break;
1072	}	1278	}
1073		1279
1074	/* free this only after the transfer */	1280	/* free this only after the transfer */
1075	prev_sv = SvRV (coro_current);	1281	prev_sv = SvRV (coro_current);
1076	SvRV_set (coro_current, next_sv);
1077	ta->prev = SvSTATE (prev_sv);	1282	ta->prev = SvSTATE (prev_sv);
1078		1283	TRANSFER_CHECK (*ta);
1079	assert (ta->next->flags & CF_READY);	1284	assert (ta->next->flags & CF_READY);
1080	ta->next->flags &= ~CF_READY;	1285	ta->next->flags &= ~CF_READY;
		1286	SvRV_set (coro_current, next_sv);
1081		1287
1082	LOCK;	1288	LOCK;
1083	free_coro_mortal (aTHX);	1289	free_coro_mortal (aTHX);
1084	coro_mortal = prev_sv;	1290	coro_mortal = prev_sv;
1085	UNLOCK;	1291	UNLOCK;
…		…
1146	}	1352	}
1147	else	1353	else
1148	return 0;	1354	return 0;
1149	}	1355	}
1150		1356
		1357	static void
		1358	api_trace (SV *coro_sv, int flags)
		1359	{
		1360	dTHX;
		1361	struct coro *coro = SvSTATE (coro_sv);
		1362
		1363	if (flags & CC_TRACE)
		1364	{
		1365	if (!coro->cctx)
		1366	coro->cctx = cctx_new ();
		1367	else if (!(coro->cctx->flags & CC_TRACE))
		1368	croak ("cannot enable tracing on coroutine with custom stack");
		1369
		1370	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1371	}
		1372	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1373	{
		1374	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1375
		1376	if (coro->flags & CF_RUNNING)
		1377	PL_runops = RUNOPS_DEFAULT;
		1378	else
		1379	coro->runops = RUNOPS_DEFAULT;
		1380	}
		1381	}
		1382
1151	MODULE = Coro::State PACKAGE = Coro::State	1383	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1152		1384
1153	PROTOTYPES: DISABLE	1385	PROTOTYPES: DISABLE
1154		1386
1155	BOOT:	1387	BOOT:
1156	{	1388	{
1157	#ifdef USE_ITHREADS	1389	#ifdef USE_ITHREADS
1158	MUTEX_INIT (&coro_mutex);	1390	MUTEX_INIT (&coro_mutex);
1159	#endif	1391	#endif
1160	BOOT_PAGESIZE;	1392	BOOT_PAGESIZE;
1161		1393
		1394	irsgv = gv_fetchpv ("/", 1, SVt_PV);
		1395
1162	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1163		1397
		1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
		1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1164	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1400	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1165	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1166	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1167	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1168	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1401	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1169		1402
1170	main_mainstack = PL_mainstack;	1403	main_mainstack = PL_mainstack;
		1404	main_top_env = PL_top_env;
		1405
		1406	while (main_top_env->je_prev)
		1407	main_top_env = main_top_env->je_prev;
1171		1408
1172	coroapi.ver = CORO_API_VERSION;	1409	coroapi.ver = CORO_API_VERSION;
1173	coroapi.transfer = api_transfer;	1410	coroapi.transfer = api_transfer;
1174		1411
1175	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1412	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1182	struct coro *coro;	1419	struct coro *coro;
1183	HV *hv;	1420	HV *hv;
1184	int i;	1421	int i;
1185		1422
1186	Newz (0, coro, 1, struct coro);	1423	Newz (0, coro, 1, struct coro);
1187	coro->args = newAV ();	1424	coro->args = newAV ();
1188	coro->save = CORO_SAVE_ALL;
1189	coro->flags = CF_NEW;	1425	coro->flags = CF_NEW;
1190		1426
		1427	if (coro_first) coro_first->prev = coro;
		1428	coro->next = coro_first;
		1429	coro_first = coro;
		1430
1191	hv = newHV ();	1431	coro->hv = hv = newHV ();
1192	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1432	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1193	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1433	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1194		1434
1195	for (i = 1; i < items; i++)	1435	for (i = 1; i < items; i++)
1196	av_push (coro->args, newSVsv (ST (i)));	1436	av_push (coro->args, newSVsv (ST (i)));
1197	}	1437	}
1198	OUTPUT:	1438	OUTPUT:
1199	RETVAL	1439	RETVAL
1200		1440
1201	int	1441	# these not obviously related functions are all rolled into the same xs
1202	save (SV *coro, int new_save = -1)	1442	# function to increase chances that they all will call transfer with the same
1203	CODE:	1443	# stack offset
1204	RETVAL = api_save (coro, new_save);
1205	OUTPUT:
1206	RETVAL
1207
1208	void	1444	void
1209	_set_stacklevel (...)	1445	_set_stacklevel (...)
1210	ALIAS:	1446	ALIAS:
1211	Coro::State::transfer = 1	1447	Coro::State::transfer = 1
1212	Coro::schedule = 2	1448	Coro::schedule = 2
…		…
1287	CODE:	1523	CODE:
1288	RETVAL = cctx_idle;	1524	RETVAL = cctx_idle;
1289	OUTPUT:	1525	OUTPUT:
1290	RETVAL	1526	RETVAL
1291		1527
		1528	void
		1529	list ()
		1530	PPCODE:
		1531	{
		1532	struct coro *coro;
		1533	for (coro = coro_first; coro; coro = coro->next)
		1534	if (coro->hv)
		1535	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1536	}
		1537
		1538	void
		1539	call (Coro::State coro, SV *coderef)
		1540	ALIAS:
		1541	eval = 1
		1542	CODE:
		1543	{
		1544	if (coro->mainstack)
		1545	{
		1546	struct coro temp;
		1547	Zero (&temp, 1, struct coro);
		1548
		1549	if (!(coro->flags & CF_RUNNING))
		1550	{
		1551	save_perl (aTHX_ &temp);
		1552	load_perl (aTHX_ coro);
		1553	}
		1554
		1555	{
		1556	dSP;
		1557	ENTER;
		1558	SAVETMPS;
		1559	PUSHMARK (SP);
		1560	PUTBACK;
		1561	if (ix)
		1562	eval_sv (coderef, 0);
		1563	else
		1564	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1565	SPAGAIN;
		1566	FREETMPS;
		1567	LEAVE;
		1568	PUTBACK;
		1569	}
		1570
		1571	if (!(coro->flags & CF_RUNNING))
		1572	{
		1573	save_perl (aTHX_ coro);
		1574	load_perl (aTHX_ &temp);
		1575	}
		1576	}
		1577	}
		1578
		1579	SV *
		1580	is_ready (Coro::State coro)
		1581	PROTOTYPE: $
		1582	ALIAS:
		1583	is_ready = CF_READY
		1584	is_running = CF_RUNNING
		1585	is_new = CF_NEW
		1586	is_destroyed = CF_DESTROYED
		1587	CODE:
		1588	RETVAL = boolSV (coro->flags & ix);
		1589	OUTPUT:
		1590	RETVAL
		1591
		1592	void
		1593	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1594
		1595	SV *
		1596	has_stack (Coro::State coro)
		1597	PROTOTYPE: $
		1598	CODE:
		1599	RETVAL = boolSV (!!coro->cctx);
		1600	OUTPUT:
		1601	RETVAL
		1602
		1603	int
		1604	is_traced (Coro::State coro)
		1605	PROTOTYPE: $
		1606	CODE:
		1607	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1608	OUTPUT:
		1609	RETVAL
		1610
		1611	IV
		1612	rss (Coro::State coro)
		1613	PROTOTYPE: $
		1614	ALIAS:
		1615	usecount = 1
		1616	CODE:
		1617	switch (ix)
		1618	{
		1619	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1620	case 1: RETVAL = coro->usecount; break;
		1621	}
		1622	OUTPUT:
		1623	RETVAL
		1624
		1625
1292	MODULE = Coro::State PACKAGE = Coro	1626	MODULE = Coro::State PACKAGE = Coro
1293		1627
1294	BOOT:	1628	BOOT:
1295	{	1629	{
1296	int i;	1630	int i;
		1631
		1632	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1633	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1634	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1635
		1636	coro_current = get_sv ("Coro::current", FALSE);
		1637	SvREADONLY_on (coro_current);
1297		1638
1298	coro_stash = gv_stashpv ("Coro", TRUE);	1639	coro_stash = gv_stashpv ("Coro", TRUE);
1299		1640
1300	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1641	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1301	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1642	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1302	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1643	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1303	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1644	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1304	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1645	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1305	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1646	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1306		1647
1307	coro_current = get_sv ("Coro::current", FALSE);
1308	SvREADONLY_on (coro_current);
1309
1310	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1648	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1311	coro_ready[i] = newAV ();	1649	coro_ready[i] = newAV ();
1312		1650
1313	{	1651	{
1314	SV *sv = perl_get_sv("Coro::API", 1);	1652	SV *sv = perl_get_sv("Coro::API", 1);
1315		1653
1316	coroapi.schedule = api_schedule;	1654	coroapi.schedule = api_schedule;
1317	coroapi.save = api_save;
1318	coroapi.cede = api_cede;	1655	coroapi.cede = api_cede;
1319	coroapi.cede_notself = api_cede_notself;	1656	coroapi.cede_notself = api_cede_notself;
1320	coroapi.ready = api_ready;	1657	coroapi.ready = api_ready;
1321	coroapi.is_ready = api_is_ready;	1658	coroapi.is_ready = api_is_ready;
1322	coroapi.nready = &coro_nready;	1659	coroapi.nready = &coro_nready;
…		…
1363	CODE:	1700	CODE:
1364	RETVAL = boolSV (api_ready (self));	1701	RETVAL = boolSV (api_ready (self));
1365	OUTPUT:	1702	OUTPUT:
1366	RETVAL	1703	RETVAL
1367		1704
1368	SV *
1369	is_ready (SV *self)
1370	PROTOTYPE: $
1371	CODE:
1372	RETVAL = boolSV (api_is_ready (self));
1373	OUTPUT:
1374	RETVAL
1375
1376	int	1705	int
1377	nready (...)	1706	nready (...)
1378	PROTOTYPE:	1707	PROTOTYPE:
1379	CODE:	1708	CODE:
1380	RETVAL = coro_nready;	1709	RETVAL = coro_nready;
1381	OUTPUT:	1710	OUTPUT:
1382	RETVAL	1711	RETVAL
1383		1712
		1713	# for async_pool speedup
		1714	void
		1715	_pool_1 (SV *cb)
		1716	CODE:
		1717	{
		1718	struct coro *coro = SvSTATE (coro_current);
		1719	HV hv = (HV )SvRV (coro_current);
		1720	AV *defav = GvAV (PL_defgv);
		1721	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1722	AV *invoke_av;
		1723	int i, len;
		1724
		1725	coro->defoutgv = SvREFCNT_inc (PL_defoutgv);
		1726
		1727	if (!invoke)
		1728	croak ("\3terminate\2\n");
		1729
		1730	hv_store (hv, "desc", sizeof ("desc") - 1,
		1731	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1732
		1733	invoke_av = (AV *)SvRV (invoke);
		1734	len = av_len (invoke_av);
		1735
		1736	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1737
		1738	if (len > 0)
		1739	{
		1740	av_fill (defav, len - 1);
		1741	for (i = 0; i < len; ++i)
		1742	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1743	}
		1744
		1745
		1746
		1747	SvREFCNT_dec (invoke);
		1748	}
		1749
		1750	void
		1751	_pool_2 (SV *cb)
		1752	CODE:
		1753	{
		1754	struct coro *coro = SvSTATE (coro_current);
		1755
		1756	sv_setsv (cb, &PL_sv_undef);
		1757
		1758	SvREFCNT_dec (PL_defoutgv); PL_defoutgv = coro->defoutgv;
		1759
		1760	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1761	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1762	croak ("\3terminate\2\n");
		1763
		1764	av_clear (GvAV (PL_defgv));
		1765	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1766	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1767
		1768	coro->prio = 0;
		1769
		1770	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1771	api_trace (coro_current, 0);
		1772
		1773	av_push (av_async_pool, newSVsv (coro_current));
		1774	}
		1775
		1776
1384	MODULE = Coro::State PACKAGE = Coro::AIO	1777	MODULE = Coro::State PACKAGE = Coro::AIO
1385		1778
1386	SV *	1779	SV *
1387	_get_state ()	1780	_get_state ()
1388	CODE:	1781	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.146 by root, Sat Mar 17 19:51:57 2007 UTC vs. Revision 1.181 by root, Wed Oct 3 17:37:33 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.146 by root, Sat Mar 17 19:51:57 2007 UTC vs.
Revision 1.181 by root, Wed Oct 3 17:37:33 2007 UTC