[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 1.172 by root, Sun Sep 30 13:15:01 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	/* async_pool helper stuff */
		138	static SV *sv_pool_rss;
		139	static SV *sv_pool_size;
		140	static AV *av_async_pool;
		141
137	static struct coro_cctx *cctx_first;	142	static struct coro_cctx *cctx_first;
138	static int cctx_count, cctx_idle;	143	static int cctx_count, cctx_idle;
		144
		145	enum {
		146	CC_MAPPED = 0x01,
		147	CC_NOREUSE = 0x02, /* throw this away after tracing */
		148	CC_TRACE = 0x04,
		149	CC_TRACE_SUB = 0x08, /* trace sub calls */
		150	CC_TRACE_LINE = 0x10, /* trace each statement */
		151	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		152	};
139		153
140	/* this is a structure representing a c-level coroutine */	154	/* this is a structure representing a c-level coroutine */
141	typedef struct coro_cctx {	155	typedef struct coro_cctx {
142	struct coro_cctx *next;	156	struct coro_cctx *next;
143		157
…		…
152	coro_context cctx;	166	coro_context cctx;
153		167
154	#if CORO_USE_VALGRIND	168	#if CORO_USE_VALGRIND
155	int valgrind_id;	169	int valgrind_id;
156	#endif	170	#endif
157	char inuse, mapped;	171	unsigned char flags;
158	} coro_cctx;	172	} coro_cctx;
159		173
160	enum {	174	enum {
161	CF_RUNNING = 0x0001, /* coroutine is running */	175	CF_RUNNING = 0x0001, /* coroutine is running */
162	CF_READY = 0x0002, /* coroutine is ready */	176	CF_READY = 0x0002, /* coroutine is ready */
…		…
177		191
178	/* optionally saved, might be zero */	192	/* optionally saved, might be zero */
179	AV defav; / @_ */	193	AV defav; / @_ */
180	SV defsv; / $_ */	194	SV defsv; / $_ */
181	SV errsv; / $@ */	195	SV errsv; / $@ */
		196	GV deffh; / default filehandle */
182	SV irssv; / $/ */	197	SV irssv; / $/ */
183	SV irssv_sv; / real $/ cache */	198	SV irssv_sv; / real $/ cache */
184		199
185	#define VAR(name,type) type name;	200	#define VAR(name,type) type name;
186	# include "state.h"	201	# include "state.h"
187	#undef VAR	202	#undef VAR
188		203
		204	/* statistics */
		205	int usecount; /* number of switches to this coro */
		206
189	/* coro process data */	207	/* coro process data */
190	int prio;	208	int prio;
		209
		210	/* linked list */
		211	struct coro next, prev;
		212	HV hv; / the perl hash associated with this coro, if any */
191	};	213	};
192		214
193	typedef struct coro *Coro__State;	215	typedef struct coro *Coro__State;
194	typedef struct coro *Coro__State_or_hashref;	216	typedef struct coro *Coro__State_or_hashref;
195		217
…		…
204		226
205	/* for Coro.pm */	227	/* for Coro.pm */
206	static SV *coro_current;	228	static SV *coro_current;
207	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	229	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
208	static int coro_nready;	230	static int coro_nready;
		231	static struct coro *coro_first;
209		232
210	/ lowlevel stuff ********************************************************/	233	/ lowlevel stuff ********************************************************/
211		234
212	static AV *	235	static AV *
213	coro_clone_padlist (pTHX_ CV *cv)	236	coro_clone_padlist (pTHX_ CV *cv)
…		…
278	SvMAGIC (cv) \	301	SvMAGIC (cv) \
279	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	302	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
280	? SvMAGIC (cv) \	303	? SvMAGIC (cv) \
281	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	304	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
282	: 0	305	: 0
		306
		307	static struct coro *
		308	SvSTATE_ (pTHX_ SV *coro)
		309	{
		310	HV *stash;
		311	MAGIC *mg;
		312
		313	if (SvROK (coro))
		314	coro = SvRV (coro);
		315
		316	if (SvTYPE (coro) != SVt_PVHV)
		317	croak ("Coro::State object required");
		318
		319	stash = SvSTASH (coro);
		320	if (stash != coro_stash && stash != coro_state_stash)
		321	{
		322	/* very slow, but rare, check */
		323	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		324	croak ("Coro::State object required");
		325	}
		326
		327	mg = CORO_MAGIC (coro);
		328	return (struct coro *)mg->mg_ptr;
		329	}
		330
		331	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
283		332
284	/* the next two functions merely cache the padlists */	333	/* the next two functions merely cache the padlists */
285	static void	334	static void
286	get_padlist (pTHX_ CV *cv)	335	get_padlist (pTHX_ CV *cv)
287	{	336	{
…		…
341	#undef VAR	390	#undef VAR
342		391
343	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	392	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
344	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	393	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
345	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	394	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		395	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		396
346	if (c->irssv)	397	if (c->irssv)
347	{	398	{
348	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	399	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		400	{
349	SvREFCNT_dec (c->irssv);	401	SvREFCNT_dec (c->irssv);
		402	c->irssv = 0;
		403	}
350	else	404	else
351	{	405	{
352	REPLACE_SV (PL_rs, c->irssv);	406	REPLACE_SV (PL_rs, c->irssv);
353	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	407	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
354	sv_setsv (c->irssv_sv, PL_rs);	408	sv_setsv (c->irssv_sv, PL_rs);
…		…
367	CvPADLIST (cv) = (AV *)POPs;	421	CvPADLIST (cv) = (AV *)POPs;
368	}	422	}
369		423
370	PUTBACK;	424	PUTBACK;
371	}	425	}
372	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
373	}	426	}
374		427
375	static void	428	static void
376	save_perl (pTHX_ Coro__State c)	429	save_perl (pTHX_ Coro__State c)
377	{	430	{
378	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
379	{	431	{
380	dSP;	432	dSP;
381	I32 cxix = cxstack_ix;	433	I32 cxix = cxstack_ix;
382	PERL_CONTEXT *ccstk = cxstack;	434	PERL_CONTEXT *ccstk = cxstack;
383	PERL_SI *top_si = PL_curstackinfo;	435	PERL_SI *top_si = PL_curstackinfo;
…		…
385	/*	437	/*
386	* the worst thing you can imagine happens first - we have to save	438	* the worst thing you can imagine happens first - we have to save
387	* (and reinitialize) all cv's in the whole callchain :(	439	* (and reinitialize) all cv's in the whole callchain :(
388	*/	440	*/
389		441
390	EXTEND (SP, 3 + 1);
391	PUSHs (Nullsv);	442	XPUSHs (Nullsv);
392	/* this loop was inspired by pp_caller */	443	/* this loop was inspired by pp_caller */
393	for (;;)	444	for (;;)
394	{	445	{
395	while (cxix >= 0)	446	while (cxix >= 0)
396	{	447	{
397	PERL_CONTEXT *cx = &ccstk[cxix--];	448	PERL_CONTEXT *cx = &ccstk[cxix--];
398		449
399	if (CxTYPE (cx) == CXt_SUB)	450	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
400	{	451	{
401	CV *cv = cx->blk_sub.cv;	452	CV *cv = cx->blk_sub.cv;
402		453
403	if (CvDEPTH (cv))	454	if (CvDEPTH (cv))
404	{	455	{
…		…
415		466
416	if (top_si->si_type == PERLSI_MAIN)	467	if (top_si->si_type == PERLSI_MAIN)
417	break;	468	break;
418		469
419	top_si = top_si->si_prev;	470	top_si = top_si->si_prev;
420	ccstk = top_si->si_cxstack;	471	ccstk = top_si->si_cxstack;
421	cxix = top_si->si_cxix;	472	cxix = top_si->si_cxix;
422	}	473	}
423		474
424	PUTBACK;	475	PUTBACK;
425	}	476	}
426		477
427	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	478	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
428	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	479	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
429	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	480	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		481	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
430	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	482	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
431		483
432	#define VAR(name,type)c->name = PL_ ## name;	484	#define VAR(name,type)c->name = PL_ ## name;
433	# include "state.h"	485	# include "state.h"
434	#undef VAR	486	#undef VAR
…		…
444	# define coro_init_stacks init_stacks	496	# define coro_init_stacks init_stacks
445	#else	497	#else
446	static void	498	static void
447	coro_init_stacks (pTHX)	499	coro_init_stacks (pTHX)
448	{	500	{
449	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	501	PL_curstackinfo = new_stackinfo(64, 6);
450	PL_curstackinfo->si_type = PERLSI_MAIN;	502	PL_curstackinfo->si_type = PERLSI_MAIN;
451	PL_curstack = PL_curstackinfo->si_stack;	503	PL_curstack = PL_curstackinfo->si_stack;
452	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	504	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
453		505
454	PL_stack_base = AvARRAY(PL_curstack);	506	PL_stack_base = AvARRAY(PL_curstack);
455	PL_stack_sp = PL_stack_base;	507	PL_stack_sp = PL_stack_base;
456	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	508	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
457		509
458	New(50,PL_tmps_stack,128,SV*);	510	New(50,PL_tmps_stack,64,SV*);
459	PL_tmps_floor = -1;	511	PL_tmps_floor = -1;
460	PL_tmps_ix = -1;	512	PL_tmps_ix = -1;
461	PL_tmps_max = 128;	513	PL_tmps_max = 64;
462		514
463	New(54,PL_markstack,32,I32);	515	New(54,PL_markstack,16,I32);
464	PL_markstack_ptr = PL_markstack;	516	PL_markstack_ptr = PL_markstack;
465	PL_markstack_max = PL_markstack + 32;	517	PL_markstack_max = PL_markstack + 16;
466		518
467	#ifdef SET_MARK_OFFSET	519	#ifdef SET_MARK_OFFSET
468	SET_MARK_OFFSET;	520	SET_MARK_OFFSET;
469	#endif	521	#endif
470		522
471	New(54,PL_scopestack,32,I32);	523	New(54,PL_scopestack,16,I32);
472	PL_scopestack_ix = 0;	524	PL_scopestack_ix = 0;
473	PL_scopestack_max = 32;	525	PL_scopestack_max = 16;
474		526
475	New(54,PL_savestack,64,ANY);	527	New(54,PL_savestack,64,ANY);
476	PL_savestack_ix = 0;	528	PL_savestack_ix = 0;
477	PL_savestack_max = 64;	529	PL_savestack_max = 64;
478		530
479	#if !PERL_VERSION_ATLEAST (5,9,0)	531	#if !PERL_VERSION_ATLEAST (5,9,0)
480	New(54,PL_retstack,16,OP*);	532	New(54,PL_retstack,4,OP*);
481	PL_retstack_ix = 0;	533	PL_retstack_ix = 0;
482	PL_retstack_max = 16;	534	PL_retstack_max = 4;
483	#endif	535	#endif
484	}	536	}
485	#endif	537	#endif
486		538
487	/*	539	/*
…		…
529	#if !PERL_VERSION_ATLEAST (5,9,0)	581	#if !PERL_VERSION_ATLEAST (5,9,0)
530	Safefree (PL_retstack);	582	Safefree (PL_retstack);
531	#endif	583	#endif
532	}	584	}
533		585
		586	static size_t
		587	coro_rss (pTHX_ struct coro *coro)
		588	{
		589	size_t rss = sizeof (coro);
		590
		591	if (coro->mainstack)
		592	{
		593	if (coro->flags & CF_RUNNING)
		594	{
		595	#define VAR(name,type)coro->name = PL_ ## name;
		596	# include "state.h"
		597	#undef VAR
		598	}
		599
		600	rss += sizeof (coro->curstackinfo);
		601	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		602	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		603	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		604	rss += coro->tmps_max * sizeof (SV *);
		605	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		606	rss += coro->scopestack_max * sizeof (I32);
		607	rss += coro->savestack_max * sizeof (ANY);
		608
		609	#if !PERL_VERSION_ATLEAST (5,9,0)
		610	rss += coro->retstack_max * sizeof (OP *);
		611	#endif
		612	}
		613
		614	return rss;
		615	}
		616
534	/ coroutine stack handling **********************************************/	617	/ coroutine stack handling **********************************************/
535		618
536	static void	619	static void
537	setup_coro (pTHX_ struct coro *coro)	620	setup_coro (pTHX_ struct coro *coro)
538	{	621	{
539	/*	622	/*
540	* emulate part of the perl startup here.	623	* emulate part of the perl startup here.
541	*/	624	*/
542	coro_init_stacks (aTHX);	625	coro_init_stacks (aTHX);
543		626
		627	PL_runops = RUNOPS_DEFAULT;
544	PL_curcop = &PL_compiling;	628	PL_curcop = &PL_compiling;
545	PL_in_eval = EVAL_NULL;	629	PL_in_eval = EVAL_NULL;
546	PL_comppad = 0;	630	PL_comppad = 0;
547	PL_curpm = 0;	631	PL_curpm = 0;
548	PL_localizing = 0;	632	PL_localizing = 0;
…		…
559	Zero (&myop, 1, LOGOP);	643	Zero (&myop, 1, LOGOP);
560	myop.op_next = Nullop;	644	myop.op_next = Nullop;
561	myop.op_flags = OPf_WANT_VOID;	645	myop.op_flags = OPf_WANT_VOID;
562		646
563	PUSHMARK (SP);	647	PUSHMARK (SP);
564	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	648	XPUSHs (av_shift (GvAV (PL_defgv)));
565	PUTBACK;	649	PUTBACK;
566	PL_op = (OP *)&myop;	650	PL_op = (OP *)&myop;
567	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	651	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
568	SPAGAIN;	652	SPAGAIN;
569	}	653	}
…		…
579	SvREFCNT_dec (coro_mortal);	663	SvREFCNT_dec (coro_mortal);
580	coro_mortal = 0;	664	coro_mortal = 0;
581	}	665	}
582	}	666	}
583		667
		668	static int
		669	runops_trace (pTHX)
		670	{
		671	COP *oldcop = 0;
		672	int oldcxix = -2;
		673	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		674	coro_cctx *cctx = coro->cctx;
		675
		676	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		677	{
		678	PERL_ASYNC_CHECK ();
		679
		680	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		681	{
		682	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		683	SV bot, top;
		684	AV av = newAV (); / return values */
		685	SV **cb;
		686	runops_proc_t old_runops = PL_runops;
		687	dSP;
		688	ENTER;
		689	SAVETMPS;
		690	EXTEND (SP, 3);
		691	PL_runops = RUNOPS_DEFAULT;
		692
		693	GV *gv = CvGV (cx->blk_sub.cv);
		694	SV *fullname = sv_2mortal (newSV (0));
		695	if (isGV (gv))
		696	gv_efullname3 (fullname, gv, 0);
		697
		698	bot = PL_stack_base + cx->blk_oldsp + 1;
		699	top = cx->blk_gimme == G_ARRAY ? SP + 1
		700	: cx->blk_gimme == G_SCALAR ? bot + 1
		701	: bot;
		702
		703	while (bot < top)
		704	av_push (av, SvREFCNT_inc (*bot++));
		705
		706	PUSHMARK (SP);
		707	PUSHs (&PL_sv_no);
		708	PUSHs (fullname);
		709	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		710	PUTBACK;
		711	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		712	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		713	SPAGAIN;
		714
		715	FREETMPS;
		716	LEAVE;
		717	PL_runops = old_runops;
		718	}
		719
		720	if (oldcop != PL_curcop)
		721	{
		722	oldcop = PL_curcop;
		723
		724	if (PL_curcop != &PL_compiling)
		725	{
		726	SV **cb;
		727	runops_proc_t old_runops = PL_runops;
		728	dSP;
		729	ENTER;
		730	SAVETMPS;
		731	EXTEND (SP, 3);
		732	PL_runops = RUNOPS_DEFAULT;
		733
		734	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		735	{
		736	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		737
		738	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		739	{
		740	GV *gv = CvGV (cx->blk_sub.cv);
		741	SV *fullname = sv_2mortal (newSV (0));
		742	if (isGV (gv))
		743	gv_efullname3 (fullname, gv, 0);
		744
		745	PUSHMARK (SP);
		746	PUSHs (&PL_sv_yes);
		747	PUSHs (fullname);
		748	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		749	PUTBACK;
		750	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		751	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		752	SPAGAIN;
		753	}
		754
		755	oldcxix = cxstack_ix;
		756	}
		757
		758	if (cctx->flags & CC_TRACE_LINE)
		759	{
		760	PUSHMARK (SP);
		761	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		762	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		763	PUTBACK;
		764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		766	SPAGAIN;
		767	}
		768
		769	FREETMPS;
		770	LEAVE;
		771	PL_runops = old_runops;
		772	}
		773	}
		774	}
		775
		776	TAINT_NOT;
		777	return 0;
		778	}
		779
584	/* inject a fake call to Coro::State::_cctx_init into the execution */	780	/* inject a fake call to Coro::State::_cctx_init into the execution */
		781	/* _cctx_init should be careful, as it could be called at almost any time */
		782	/* during execution of a perl program */
585	static void NOINLINE	783	static void NOINLINE
586	prepare_cctx (pTHX_ coro_cctx *cctx)	784	prepare_cctx (pTHX_ coro_cctx *cctx)
587	{	785	{
588	dSP;	786	dSP;
589	LOGOP myop;	787	LOGOP myop;
		788
		789	PL_top_env = &PL_start_env;
		790
		791	if (cctx->flags & CC_TRACE)
		792	PL_runops = runops_trace;
590		793
591	Zero (&myop, 1, LOGOP);	794	Zero (&myop, 1, LOGOP);
592	myop.op_next = PL_op;	795	myop.op_next = PL_op;
593	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	796	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
594		797
…		…
600	PL_op = (OP *)&myop;	803	PL_op = (OP *)&myop;
601	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	804	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
602	SPAGAIN;	805	SPAGAIN;
603	}	806	}
604		807
		808	/*
		809	* this is a _very_ stripped down perl interpreter ;)
		810	*/
605	static void	811	static void
606	coro_run (void *arg)	812	coro_run (void *arg)
607	{	813	{
608	dTHX;	814	dTHX;
609		815
610	/* coro_run is the alternative tail of transfer(), so unlock here. */	816	/* coro_run is the alternative tail of transfer(), so unlock here. */
611	UNLOCK;	817	UNLOCK;
612		818
613	/*	819	/* we now skip the entersub that lead to transfer() */
614	* this is a _very_ stripped down perl interpreter ;)	820	PL_op = PL_op->op_next;
615	*/
616	PL_top_env = &PL_start_env;
617		821
618	/* inject call to cctx_init */	822	/* inject a fake subroutine call to cctx_init */
619	prepare_cctx (aTHX_ (coro_cctx *)arg);	823	prepare_cctx (aTHX_ (coro_cctx *)arg);
620		824
621	/* somebody will hit me for both perl_run and PL_restartop */	825	/* somebody or something will hit me for both perl_run and PL_restartop */
622	PL_restartop = PL_op;	826	PL_restartop = PL_op;
623	perl_run (PL_curinterp);	827	perl_run (PL_curinterp);
624		828
625	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	829	/*
626	abort ();	830	* If perl-run returns we assume exit() was being called or the coro
		831	* fell off the end, which seems to be the only valid (non-bug)
		832	* reason for perl_run to return. We try to exit by jumping to the
		833	* bootstrap-time "top" top_env, as we cannot restore the "main"
		834	* coroutine as Coro has no such concept
		835	*/
		836	PL_top_env = main_top_env;
		837	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
627	}	838	}
628		839
629	static coro_cctx *	840	static coro_cctx *
630	cctx_new ()	841	cctx_new ()
631	{	842	{
…		…
648	# if CORO_STACKGUARD	859	# if CORO_STACKGUARD
649	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	860	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
650	# endif	861	# endif
651	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	862	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
652	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	863	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
653	cctx->mapped = 1;	864	cctx->flags \|= CC_MAPPED;
654	}	865	}
655	else	866	else
656	#endif	867	#endif
657	{	868	{
658	cctx->ssize = coro_stacksize * (long)sizeof (long);	869	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
685	#if CORO_USE_VALGRIND	896	#if CORO_USE_VALGRIND
686	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	897	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
687	#endif	898	#endif
688		899
689	#if HAVE_MMAP	900	#if HAVE_MMAP
690	if (cctx->mapped)	901	if (cctx->flags & CC_MAPPED)
691	munmap (cctx->sptr, cctx->ssize);	902	munmap (cctx->sptr, cctx->ssize);
692	else	903	else
693	#endif	904	#endif
694	Safefree (cctx->sptr);	905	Safefree (cctx->sptr);
695		906
…		…
703	{	914	{
704	coro_cctx *cctx = cctx_first;	915	coro_cctx *cctx = cctx_first;
705	cctx_first = cctx->next;	916	cctx_first = cctx->next;
706	--cctx_idle;	917	--cctx_idle;
707		918
708	if (cctx->ssize >= coro_stacksize)	919	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
709	return cctx;	920	return cctx;
710		921
711	cctx_destroy (cctx);	922	cctx_destroy (cctx);
712	}	923	}
713		924
714	PL_op = PL_op->op_next;
715	return cctx_new ();	925	return cctx_new ();
716	}	926	}
717		927
718	static void	928	static void
719	cctx_put (coro_cctx *cctx)	929	cctx_put (coro_cctx *cctx)
…		…
723	{	933	{
724	coro_cctx *first = cctx_first;	934	coro_cctx *first = cctx_first;
725	cctx_first = first->next;	935	cctx_first = first->next;
726	--cctx_idle;	936	--cctx_idle;
727		937
728	assert (!first->inuse);
729	cctx_destroy (first);	938	cctx_destroy (first);
730	}	939	}
731		940
732	++cctx_idle;	941	++cctx_idle;
733	cctx->next = cctx_first;	942	cctx->next = cctx_first;
734	cctx_first = cctx;	943	cctx_first = cctx;
735	}	944	}
736		945
737	/ coroutine switching ***************************************************/	946	/ coroutine switching ***************************************************/
738		947
739	/* never call directly, always through the coro_state_transfer global variable */	948	static void NOINLINE
		949	transfer_check (pTHX_ struct coro prev, struct coro next)
		950	{
		951	if (prev != next)
		952	{
		953	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		954	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		955
		956	if (next->flags & CF_RUNNING)
		957	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		958
		959	if (next->flags & CF_DESTROYED)
		960	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		961
		962	if (PL_lex_state != LEX_NOTPARSING)
		963	croak ("Coro::State::transfer called while parsing, but this is not supported");
		964	}
		965	}
		966
		967	/* always use the TRANSFER macro */
740	static void NOINLINE	968	static void NOINLINE
741	transfer (pTHX_ struct coro prev, struct coro next)	969	transfer (pTHX_ struct coro prev, struct coro next)
742	{	970	{
743	dSTACKLEVEL;	971	dSTACKLEVEL;
744		972
…		…
754		982
755	if (prev->flags & CF_NEW)	983	if (prev->flags & CF_NEW)
756	{	984	{
757	/* create a new empty context */	985	/* create a new empty context */
758	Newz (0, prev->cctx, 1, coro_cctx);	986	Newz (0, prev->cctx, 1, coro_cctx);
759	prev->cctx->inuse = 1;
760	prev->flags &= ~CF_NEW;	987	prev->flags &= ~CF_NEW;
761	prev->flags \|= CF_RUNNING;	988	prev->flags \|= CF_RUNNING;
762	}	989	}
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		990
774	prev->flags &= ~CF_RUNNING;	991	prev->flags &= ~CF_RUNNING;
775	next->flags \|= CF_RUNNING;	992	next->flags \|= CF_RUNNING;
776		993
777	LOCK;	994	LOCK;
…		…
782	next->flags &= ~CF_NEW;	999	next->flags &= ~CF_NEW;
783	/* first get rid of the old state */	1000	/* first get rid of the old state */
784	save_perl (aTHX_ prev);	1001	save_perl (aTHX_ prev);
785	/* setup coroutine call */	1002	/* setup coroutine call */
786	setup_coro (aTHX_ next);	1003	setup_coro (aTHX_ next);
787	/* need a new stack */
788	assert (!next->cctx);
789	}	1004	}
790	else	1005	else
791	{	1006	{
792	/* coroutine already started */	1007	/* coroutine already started */
793	save_perl (aTHX_ prev);	1008	save_perl (aTHX_ prev);
…		…
795	}	1010	}
796		1011
797	prev__cctx = prev->cctx;	1012	prev__cctx = prev->cctx;
798		1013
799	/* possibly "free" the cctx */	1014	/* possibly "free" the cctx */
800	if (prev__cctx->idle_sp == STACKLEVEL)	1015	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
801	{	1016	{
802	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1017	/* 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));	1018	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
804		1019
805	prev->cctx = 0;	1020	prev->cctx = 0;
806		1021
807	cctx_put (prev__cctx);	1022	cctx_put (prev__cctx);
808	prev__cctx->inuse = 0;
809	}	1023	}
810		1024
		1025	++next->usecount;
		1026
811	if (!next->cctx)	1027	if (!next->cctx)
812	{
813	next->cctx = cctx_get (aTHX);	1028	next->cctx = cctx_get (aTHX);
814	assert (!next->cctx->inuse);
815	next->cctx->inuse = 1;
816	}
817		1029
818	if (prev__cctx != next->cctx)	1030	if (prev__cctx != next->cctx)
819	{	1031	{
820	prev__cctx->top_env = PL_top_env;	1032	prev__cctx->top_env = PL_top_env;
821	PL_top_env = next->cctx->top_env;	1033	PL_top_env = next->cctx->top_env;
…		…
831	{	1043	{
832	struct coro prev, next;	1044	struct coro prev, next;
833	};	1045	};
834		1046
835	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1047	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1048	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
836		1049
837	/ high level stuff ******************************************************/	1050	/ high level stuff ******************************************************/
838		1051
839	static int	1052	static int
840	coro_state_destroy (pTHX_ struct coro *coro)	1053	coro_state_destroy (pTHX_ struct coro *coro)
…		…
878	}	1091	}
879		1092
880	cctx_destroy (coro->cctx);	1093	cctx_destroy (coro->cctx);
881	SvREFCNT_dec (coro->args);	1094	SvREFCNT_dec (coro->args);
882		1095
		1096	if (coro->next) coro->next->prev = coro->prev;
		1097	if (coro->prev) coro->prev->next = coro->next;
		1098	if (coro == coro_first) coro_first = coro->next;
		1099
883	return 1;	1100	return 1;
884	}	1101	}
885		1102
886	static int	1103	static int
887	coro_state_free (pTHX_ SV sv, MAGIC mg)	1104	coro_state_free (pTHX_ SV sv, MAGIC mg)
888	{	1105	{
889	struct coro coro = (struct coro )mg->mg_ptr;	1106	struct coro coro = (struct coro )mg->mg_ptr;
890	mg->mg_ptr = 0;	1107	mg->mg_ptr = 0;
		1108
		1109	coro->hv = 0;
891		1110
892	if (--coro->refcnt < 0)	1111	if (--coro->refcnt < 0)
893	{	1112	{
894	coro_state_destroy (aTHX_ coro);	1113	coro_state_destroy (aTHX_ coro);
895	Safefree (coro);	1114	Safefree (coro);
…		…
917	#else	1136	#else
918	# define MGf_DUP 0	1137	# define MGf_DUP 0
919	#endif	1138	#endif
920	};	1139	};
921		1140
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	1141	static void
946	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1142	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
947	{	1143	{
948	ta->prev = SvSTATE (prev_sv);	1144	ta->prev = SvSTATE (prev_sv);
949	ta->next = SvSTATE (next_sv);	1145	ta->next = SvSTATE (next_sv);
		1146	TRANSFER_CHECK (*ta);
950	}	1147	}
951		1148
952	static void	1149	static void
953	api_transfer (SV prev_sv, SV next_sv)	1150	api_transfer (SV prev_sv, SV next_sv)
954	{	1151	{
…		…
1071	break;	1268	break;
1072	}	1269	}
1073		1270
1074	/* free this only after the transfer */	1271	/* free this only after the transfer */
1075	prev_sv = SvRV (coro_current);	1272	prev_sv = SvRV (coro_current);
1076	SvRV_set (coro_current, next_sv);
1077	ta->prev = SvSTATE (prev_sv);	1273	ta->prev = SvSTATE (prev_sv);
1078		1274	TRANSFER_CHECK (*ta);
1079	assert (ta->next->flags & CF_READY);	1275	assert (ta->next->flags & CF_READY);
1080	ta->next->flags &= ~CF_READY;	1276	ta->next->flags &= ~CF_READY;
		1277	SvRV_set (coro_current, next_sv);
1081		1278
1082	LOCK;	1279	LOCK;
1083	free_coro_mortal (aTHX);	1280	free_coro_mortal (aTHX);
1084	coro_mortal = prev_sv;	1281	coro_mortal = prev_sv;
1085	UNLOCK;	1282	UNLOCK;
…		…
1159	#endif	1356	#endif
1160	BOOT_PAGESIZE;	1357	BOOT_PAGESIZE;
1161		1358
1162	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1359	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1163		1360
		1361	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
		1362	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
		1363	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
		1364	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
		1365
1164	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1366	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1165	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1367	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1166	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1368	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1167	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1369	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1370	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1371	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1168	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1372	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1169		1373
1170	main_mainstack = PL_mainstack;	1374	main_mainstack = PL_mainstack;
		1375	main_top_env = PL_top_env;
		1376
		1377	while (main_top_env->je_prev)
		1378	main_top_env = main_top_env->je_prev;
1171		1379
1172	coroapi.ver = CORO_API_VERSION;	1380	coroapi.ver = CORO_API_VERSION;
1173	coroapi.transfer = api_transfer;	1381	coroapi.transfer = api_transfer;
1174		1382
1175	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1383	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1183	HV *hv;	1391	HV *hv;
1184	int i;	1392	int i;
1185		1393
1186	Newz (0, coro, 1, struct coro);	1394	Newz (0, coro, 1, struct coro);
1187	coro->args = newAV ();	1395	coro->args = newAV ();
1188	coro->save = CORO_SAVE_ALL;	1396	coro->save = CORO_SAVE_DEF;
1189	coro->flags = CF_NEW;	1397	coro->flags = CF_NEW;
1190		1398
		1399	if (coro_first) coro_first->prev = coro;
		1400	coro->next = coro_first;
		1401	coro_first = coro;
		1402
1191	hv = newHV ();	1403	coro->hv = hv = newHV ();
1192	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1404	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));	1405	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1194		1406
1195	for (i = 1; i < items; i++)	1407	for (i = 1; i < items; i++)
1196	av_push (coro->args, newSVsv (ST (i)));	1408	av_push (coro->args, newSVsv (ST (i)));
…		…
1200		1412
1201	int	1413	int
1202	save (SV *coro, int new_save = -1)	1414	save (SV *coro, int new_save = -1)
1203	CODE:	1415	CODE:
1204	RETVAL = api_save (coro, new_save);	1416	RETVAL = api_save (coro, new_save);
		1417	OUTPUT:
		1418	RETVAL
		1419
		1420	int
		1421	save_also (SV *coro_sv, int save_also)
		1422	CODE:
		1423	{
		1424	struct coro *coro = SvSTATE (coro_sv);
		1425	RETVAL = coro->save;
		1426	coro->save \|= save_also;
		1427	}
1205	OUTPUT:	1428	OUTPUT:
1206	RETVAL	1429	RETVAL
1207		1430
1208	void	1431	void
1209	_set_stacklevel (...)	1432	_set_stacklevel (...)
…		…
1287	CODE:	1510	CODE:
1288	RETVAL = cctx_idle;	1511	RETVAL = cctx_idle;
1289	OUTPUT:	1512	OUTPUT:
1290	RETVAL	1513	RETVAL
1291		1514
		1515	void
		1516	list ()
		1517	PPCODE:
		1518	{
		1519	struct coro *coro;
		1520	for (coro = coro_first; coro; coro = coro->next)
		1521	if (coro->hv)
		1522	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1523	}
		1524
		1525	void
		1526	call (Coro::State coro, SV *coderef)
		1527	ALIAS:
		1528	eval = 1
		1529	CODE:
		1530	{
		1531	if (coro->mainstack)
		1532	{
		1533	struct coro temp;
		1534	Zero (&temp, 1, struct coro);
		1535	temp.save = CORO_SAVE_ALL;
		1536
		1537	if (!(coro->flags & CF_RUNNING))
		1538	{
		1539	save_perl (aTHX_ &temp);
		1540	load_perl (aTHX_ coro);
		1541	}
		1542
		1543	{
		1544	dSP;
		1545	ENTER;
		1546	SAVETMPS;
		1547	PUSHMARK (SP);
		1548	PUTBACK;
		1549	if (ix)
		1550	eval_sv (coderef, 0);
		1551	else
		1552	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1553	SPAGAIN;
		1554	FREETMPS;
		1555	LEAVE;
		1556	PUTBACK;
		1557	}
		1558
		1559	if (!(coro->flags & CF_RUNNING))
		1560	{
		1561	save_perl (aTHX_ coro);
		1562	load_perl (aTHX_ &temp);
		1563	}
		1564	}
		1565	}
		1566
		1567	SV *
		1568	is_ready (Coro::State coro)
		1569	PROTOTYPE: $
		1570	ALIAS:
		1571	is_ready = CF_READY
		1572	is_running = CF_RUNNING
		1573	is_new = CF_NEW
		1574	is_destroyed = CF_DESTROYED
		1575	CODE:
		1576	RETVAL = boolSV (coro->flags & ix);
		1577	OUTPUT:
		1578	RETVAL
		1579
		1580	void
		1581	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1582	CODE:
		1583	if (flags & CC_TRACE)
		1584	{
		1585	if (!coro->cctx)
		1586	coro->cctx = cctx_new ();
		1587	else if (!(coro->cctx->flags & CC_TRACE))
		1588	croak ("cannot enable tracing on coroutine with custom stack");
		1589
		1590	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
		1591	}
		1592	else
		1593	if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1594	{
		1595	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1596	coro->cctx->flags \|= CC_NOREUSE;
		1597
		1598	if (coro->flags & CF_RUNNING)
		1599	PL_runops = RUNOPS_DEFAULT;
		1600	else
		1601	coro->runops = RUNOPS_DEFAULT;
		1602	}
		1603
		1604	SV *
		1605	has_stack (Coro::State coro)
		1606	PROTOTYPE: $
		1607	CODE:
		1608	RETVAL = boolSV (!!coro->cctx);
		1609	OUTPUT:
		1610	RETVAL
		1611
		1612	int
		1613	is_traced (Coro::State coro)
		1614	PROTOTYPE: $
		1615	CODE:
		1616	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620	IV
		1621	rss (Coro::State coro)
		1622	PROTOTYPE: $
		1623	ALIAS:
		1624	usecount = 1
		1625	CODE:
		1626	switch (ix)
		1627	{
		1628	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1629	case 1: RETVAL = coro->usecount; break;
		1630	}
		1631	OUTPUT:
		1632	RETVAL
		1633
		1634
1292	MODULE = Coro::State PACKAGE = Coro	1635	MODULE = Coro::State PACKAGE = Coro
1293		1636
1294	BOOT:	1637	BOOT:
1295	{	1638	{
1296	int i;	1639	int i;
		1640
		1641	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1642	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1643	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1644
		1645	coro_current = get_sv ("Coro::current", FALSE);
		1646	SvREADONLY_on (coro_current);
1297		1647
1298	coro_stash = gv_stashpv ("Coro", TRUE);	1648	coro_stash = gv_stashpv ("Coro", TRUE);
1299		1649
1300	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1650	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1301	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1651	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1302	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1652	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1303	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1653	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1304	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1654	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1305	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1655	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1306
1307	coro_current = get_sv ("Coro::current", FALSE);
1308	SvREADONLY_on (coro_current);
1309		1656
1310	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1657	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1311	coro_ready[i] = newAV ();	1658	coro_ready[i] = newAV ();
1312		1659
1313	{	1660	{
…		…
1363	CODE:	1710	CODE:
1364	RETVAL = boolSV (api_ready (self));	1711	RETVAL = boolSV (api_ready (self));
1365	OUTPUT:	1712	OUTPUT:
1366	RETVAL	1713	RETVAL
1367		1714
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	1715	int
1377	nready (...)	1716	nready (...)
1378	PROTOTYPE:	1717	PROTOTYPE:
1379	CODE:	1718	CODE:
1380	RETVAL = coro_nready;	1719	RETVAL = coro_nready;
1381	OUTPUT:	1720	OUTPUT:
1382	RETVAL	1721	RETVAL
1383		1722
		1723	# for async_pool speedup
		1724	void
		1725	_pool_1 (SV *cb)
		1726	CODE:
		1727	{
		1728	int i, len;
		1729	HV hv = (HV )SvRV (coro_current);
		1730	AV *defav = GvAV (PL_defgv);
		1731	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1732	AV *invoke_av;
		1733
		1734	if (!invoke)
		1735	croak ("\3terminate\2\n");
		1736
		1737	hv_store (hv, "desc", sizeof ("desc") - 1,
		1738	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1739
		1740	invoke_av = (AV *)SvRV (invoke);
		1741	len = av_len (invoke_av);
		1742
		1743	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1744
		1745	if (len > 0)
		1746	{
		1747	av_fill (defav, len - 1);
		1748	for (i = 0; i < len; ++i)
		1749	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1750	}
		1751
		1752	SvREFCNT_dec (invoke);
		1753	}
		1754
		1755	void
		1756	_pool_2 (SV *cb)
		1757	CODE:
		1758	{
		1759	struct coro *coro = SvSTATE (coro_current);
		1760
		1761	sv_setsv (cb, &PL_sv_undef);
		1762
		1763	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1764	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1765	croak ("\3terminate\2\n");
		1766
		1767	av_clear (GvAV (PL_defgv));
		1768	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1769	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1770	coro->save = CORO_SAVE_DEF;
		1771	coro->prio = 0;
		1772	av_push (av_async_pool, newSVsv (coro_current));
		1773	}
		1774
		1775
1384	MODULE = Coro::State PACKAGE = Coro::AIO	1776	MODULE = Coro::State PACKAGE = Coro::AIO
1385		1777
1386	SV *	1778	SV *
1387	_get_state ()	1779	_get_state ()
1388	CODE:	1780	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 1.172 by root, Sun Sep 30 13:15:01 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 1.172 by root, Sun Sep 30 13:15:01 2007 UTC