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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.147 by root, Mon Mar 19 15:50:48 2007 UTC vs.
Revision 1.170 by root, Thu Sep 27 20:14:49 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 */
…		…
187	# include "state.h"	201	# include "state.h"
188	#undef VAR	202	#undef VAR
189		203
190	/* coro process data */	204	/* coro process data */
191	int prio;	205	int prio;
		206
		207	/* linked list */
		208	struct coro next, prev;
		209	HV hv; / the perl hash associated with this coro, if any */
192	};	210	};
193		211
194	typedef struct coro *Coro__State;	212	typedef struct coro *Coro__State;
195	typedef struct coro *Coro__State_or_hashref;	213	typedef struct coro *Coro__State_or_hashref;
196		214
…		…
205		223
206	/* for Coro.pm */	224	/* for Coro.pm */
207	static SV *coro_current;	225	static SV *coro_current;
208	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	226	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
209	static int coro_nready;	227	static int coro_nready;
		228	static struct coro *coro_first;
210		229
211	/ lowlevel stuff ********************************************************/	230	/ lowlevel stuff ********************************************************/
212		231
213	static AV *	232	static AV *
214	coro_clone_padlist (pTHX_ CV *cv)	233	coro_clone_padlist (pTHX_ CV *cv)
…		…
279	SvMAGIC (cv) \	298	SvMAGIC (cv) \
280	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	299	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
281	? SvMAGIC (cv) \	300	? SvMAGIC (cv) \
282	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	301	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
283	: 0	302	: 0
		303
		304	static struct coro *
		305	SvSTATE_ (pTHX_ SV *coro)
		306	{
		307	HV *stash;
		308	MAGIC *mg;
		309
		310	if (SvROK (coro))
		311	coro = SvRV (coro);
		312
		313	stash = SvSTASH (coro);
		314	if (stash != coro_stash && stash != coro_state_stash)
		315	{
		316	/* very slow, but rare, check */
		317	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		318	croak ("Coro::State object required");
		319	}
		320
		321	mg = CORO_MAGIC (coro);
		322	return (struct coro *)mg->mg_ptr;
		323	}
		324
		325	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
284		326
285	/* the next two functions merely cache the padlists */	327	/* the next two functions merely cache the padlists */
286	static void	328	static void
287	get_padlist (pTHX_ CV *cv)	329	get_padlist (pTHX_ CV *cv)
288	{	330	{
…		…
373	CvPADLIST (cv) = (AV *)POPs;	415	CvPADLIST (cv) = (AV *)POPs;
374	}	416	}
375		417
376	PUTBACK;	418	PUTBACK;
377	}	419	}
378	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
379	}	420	}
380		421
381	static void	422	static void
382	save_perl (pTHX_ Coro__State c)	423	save_perl (pTHX_ Coro__State c)
383	{	424	{
384	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
385	{	425	{
386	dSP;	426	dSP;
387	I32 cxix = cxstack_ix;	427	I32 cxix = cxstack_ix;
388	PERL_CONTEXT *ccstk = cxstack;	428	PERL_CONTEXT *ccstk = cxstack;
389	PERL_SI *top_si = PL_curstackinfo;	429	PERL_SI *top_si = PL_curstackinfo;
…		…
391	/*	431	/*
392	* the worst thing you can imagine happens first - we have to save	432	* the worst thing you can imagine happens first - we have to save
393	* (and reinitialize) all cv's in the whole callchain :(	433	* (and reinitialize) all cv's in the whole callchain :(
394	*/	434	*/
395		435
396	EXTEND (SP, 3 + 1);
397	PUSHs (Nullsv);	436	XPUSHs (Nullsv);
398	/* this loop was inspired by pp_caller */	437	/* this loop was inspired by pp_caller */
399	for (;;)	438	for (;;)
400	{	439	{
401	while (cxix >= 0)	440	while (cxix >= 0)
402	{	441	{
403	PERL_CONTEXT *cx = &ccstk[cxix--];	442	PERL_CONTEXT *cx = &ccstk[cxix--];
404		443
405	if (CxTYPE (cx) == CXt_SUB)	444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
406	{	445	{
407	CV *cv = cx->blk_sub.cv;	446	CV *cv = cx->blk_sub.cv;
408		447
409	if (CvDEPTH (cv))	448	if (CvDEPTH (cv))
410	{	449	{
…		…
421		460
422	if (top_si->si_type == PERLSI_MAIN)	461	if (top_si->si_type == PERLSI_MAIN)
423	break;	462	break;
424		463
425	top_si = top_si->si_prev;	464	top_si = top_si->si_prev;
426	ccstk = top_si->si_cxstack;	465	ccstk = top_si->si_cxstack;
427	cxix = top_si->si_cxix;	466	cxix = top_si->si_cxix;
428	}	467	}
429		468
430	PUTBACK;	469	PUTBACK;
431	}	470	}
432		471
…		…
451	# define coro_init_stacks init_stacks	490	# define coro_init_stacks init_stacks
452	#else	491	#else
453	static void	492	static void
454	coro_init_stacks (pTHX)	493	coro_init_stacks (pTHX)
455	{	494	{
456	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	495	PL_curstackinfo = new_stackinfo(64, 6);
457	PL_curstackinfo->si_type = PERLSI_MAIN;	496	PL_curstackinfo->si_type = PERLSI_MAIN;
458	PL_curstack = PL_curstackinfo->si_stack;	497	PL_curstack = PL_curstackinfo->si_stack;
459	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	498	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
460		499
461	PL_stack_base = AvARRAY(PL_curstack);	500	PL_stack_base = AvARRAY(PL_curstack);
462	PL_stack_sp = PL_stack_base;	501	PL_stack_sp = PL_stack_base;
463	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	502	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
464		503
465	New(50,PL_tmps_stack,128,SV*);	504	New(50,PL_tmps_stack,64,SV*);
466	PL_tmps_floor = -1;	505	PL_tmps_floor = -1;
467	PL_tmps_ix = -1;	506	PL_tmps_ix = -1;
468	PL_tmps_max = 128;	507	PL_tmps_max = 64;
469		508
470	New(54,PL_markstack,32,I32);	509	New(54,PL_markstack,16,I32);
471	PL_markstack_ptr = PL_markstack;	510	PL_markstack_ptr = PL_markstack;
472	PL_markstack_max = PL_markstack + 32;	511	PL_markstack_max = PL_markstack + 16;
473		512
474	#ifdef SET_MARK_OFFSET	513	#ifdef SET_MARK_OFFSET
475	SET_MARK_OFFSET;	514	SET_MARK_OFFSET;
476	#endif	515	#endif
477		516
478	New(54,PL_scopestack,32,I32);	517	New(54,PL_scopestack,16,I32);
479	PL_scopestack_ix = 0;	518	PL_scopestack_ix = 0;
480	PL_scopestack_max = 32;	519	PL_scopestack_max = 16;
481		520
482	New(54,PL_savestack,64,ANY);	521	New(54,PL_savestack,64,ANY);
483	PL_savestack_ix = 0;	522	PL_savestack_ix = 0;
484	PL_savestack_max = 64;	523	PL_savestack_max = 64;
485		524
486	#if !PERL_VERSION_ATLEAST (5,9,0)	525	#if !PERL_VERSION_ATLEAST (5,9,0)
487	New(54,PL_retstack,16,OP*);	526	New(54,PL_retstack,4,OP*);
488	PL_retstack_ix = 0;	527	PL_retstack_ix = 0;
489	PL_retstack_max = 16;	528	PL_retstack_max = 4;
490	#endif	529	#endif
491	}	530	}
492	#endif	531	#endif
493		532
494	/*	533	/*
…		…
536	#if !PERL_VERSION_ATLEAST (5,9,0)	575	#if !PERL_VERSION_ATLEAST (5,9,0)
537	Safefree (PL_retstack);	576	Safefree (PL_retstack);
538	#endif	577	#endif
539	}	578	}
540		579
		580	static size_t
		581	coro_rss (struct coro *coro)
		582	{
		583	size_t rss = sizeof (coro);
		584
		585	if (coro->mainstack)
		586	{
		587	if (coro->flags & CF_RUNNING)
		588	{
		589	#define VAR(name,type)coro->name = PL_ ## name;
		590	# include "state.h"
		591	#undef VAR
		592	}
		593
		594	rss += sizeof (coro->curstackinfo);
		595	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		596	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		598	rss += coro->tmps_max * sizeof (SV *);
		599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		600	rss += coro->scopestack_max * sizeof (I32);
		601	rss += coro->savestack_max * sizeof (ANY);
		602
		603	#if !PERL_VERSION_ATLEAST (5,9,0)
		604	rss += coro->retstack_max * sizeof (OP *);
		605	#endif
		606	}
		607
		608	return rss;
		609	}
		610
541	/ coroutine stack handling **********************************************/	611	/ coroutine stack handling **********************************************/
542		612
543	static void	613	static void
544	setup_coro (pTHX_ struct coro *coro)	614	setup_coro (pTHX_ struct coro *coro)
545	{	615	{
546	/*	616	/*
547	* emulate part of the perl startup here.	617	* emulate part of the perl startup here.
548	*/	618	*/
549	coro_init_stacks (aTHX);	619	coro_init_stacks (aTHX);
550		620
		621	PL_runops = RUNOPS_DEFAULT;
551	PL_curcop = &PL_compiling;	622	PL_curcop = &PL_compiling;
552	PL_in_eval = EVAL_NULL;	623	PL_in_eval = EVAL_NULL;
553	PL_comppad = 0;	624	PL_comppad = 0;
554	PL_curpm = 0;	625	PL_curpm = 0;
555	PL_localizing = 0;	626	PL_localizing = 0;
…		…
566	Zero (&myop, 1, LOGOP);	637	Zero (&myop, 1, LOGOP);
567	myop.op_next = Nullop;	638	myop.op_next = Nullop;
568	myop.op_flags = OPf_WANT_VOID;	639	myop.op_flags = OPf_WANT_VOID;
569		640
570	PUSHMARK (SP);	641	PUSHMARK (SP);
571	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	642	XPUSHs (av_shift (GvAV (PL_defgv)));
572	PUTBACK;	643	PUTBACK;
573	PL_op = (OP *)&myop;	644	PL_op = (OP *)&myop;
574	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
575	SPAGAIN;	646	SPAGAIN;
576	}	647	}
…		…
586	SvREFCNT_dec (coro_mortal);	657	SvREFCNT_dec (coro_mortal);
587	coro_mortal = 0;	658	coro_mortal = 0;
588	}	659	}
589	}	660	}
590		661
		662	static int
		663	runops_trace (pTHX)
		664	{
		665	COP *oldcop = 0;
		666	int oldcxix = -2;
		667	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		668	coro_cctx *cctx = coro->cctx;
		669
		670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		671	{
		672	PERL_ASYNC_CHECK ();
		673
		674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		675	{
		676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		677	SV bot, top;
		678	AV av = newAV (); / return values */
		679	SV **cb;
		680	runops_proc_t old_runops = PL_runops;
		681	dSP;
		682	ENTER;
		683	SAVETMPS;
		684	EXTEND (SP, 3);
		685	PL_runops = RUNOPS_DEFAULT;
		686
		687	GV *gv = CvGV (cx->blk_sub.cv);
		688	SV *fullname = sv_2mortal (newSV (0));
		689	if (isGV (gv))
		690	gv_efullname3 (fullname, gv, 0);
		691
		692	bot = PL_stack_base + cx->blk_oldsp + 1;
		693	top = cx->blk_gimme == G_ARRAY ? SP + 1
		694	: cx->blk_gimme == G_SCALAR ? bot + 1
		695	: bot;
		696
		697	while (bot < top)
		698	av_push (av, SvREFCNT_inc (*bot++));
		699
		700	PUSHMARK (SP);
		701	PUSHs (&PL_sv_no);
		702	PUSHs (fullname);
		703	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		704	PUTBACK;
		705	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		706	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		707	SPAGAIN;
		708
		709	FREETMPS;
		710	LEAVE;
		711	PL_runops = old_runops;
		712	}
		713
		714	if (oldcop != PL_curcop)
		715	{
		716	oldcop = PL_curcop;
		717
		718	if (PL_curcop != &PL_compiling)
		719	{
		720	SV **cb;
		721	runops_proc_t old_runops = PL_runops;
		722	dSP;
		723	ENTER;
		724	SAVETMPS;
		725	EXTEND (SP, 3);
		726	PL_runops = RUNOPS_DEFAULT;
		727
		728	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		729	{
		730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		731
		732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		733	{
		734	GV *gv = CvGV (cx->blk_sub.cv);
		735	SV *fullname = sv_2mortal (newSV (0));
		736	if (isGV (gv))
		737	gv_efullname3 (fullname, gv, 0);
		738
		739	PUSHMARK (SP);
		740	PUSHs (&PL_sv_yes);
		741	PUSHs (fullname);
		742	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		743	PUTBACK;
		744	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		745	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		746	SPAGAIN;
		747	}
		748
		749	oldcxix = cxstack_ix;
		750	}
		751
		752	if (cctx->flags & CC_TRACE_LINE)
		753	{
		754	PUSHMARK (SP);
		755	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		756	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		757	PUTBACK;
		758	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		759	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		760	SPAGAIN;
		761	}
		762
		763	FREETMPS;
		764	LEAVE;
		765	PL_runops = old_runops;
		766	}
		767	}
		768	}
		769
		770	TAINT_NOT;
		771	return 0;
		772	}
		773
591	/* inject a fake call to Coro::State::_cctx_init into the execution */	774	/* inject a fake call to Coro::State::_cctx_init into the execution */
		775	/* _cctx_init should be careful, as it could be called at almost any time */
		776	/* during execution of a perl program */
592	static void NOINLINE	777	static void NOINLINE
593	prepare_cctx (pTHX_ coro_cctx *cctx)	778	prepare_cctx (pTHX_ coro_cctx *cctx)
594	{	779	{
595	dSP;	780	dSP;
596	LOGOP myop;	781	LOGOP myop;
		782
		783	PL_top_env = &PL_start_env;
		784
		785	if (cctx->flags & CC_TRACE)
		786	PL_runops = runops_trace;
597		787
598	Zero (&myop, 1, LOGOP);	788	Zero (&myop, 1, LOGOP);
599	myop.op_next = PL_op;	789	myop.op_next = PL_op;
600	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	790	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
601		791
…		…
607	PL_op = (OP *)&myop;	797	PL_op = (OP *)&myop;
608	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	798	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
609	SPAGAIN;	799	SPAGAIN;
610	}	800	}
611		801
		802	/*
		803	* this is a _very_ stripped down perl interpreter ;)
		804	*/
612	static void	805	static void
613	coro_run (void *arg)	806	coro_run (void *arg)
614	{	807	{
615	dTHX;	808	dTHX;
616		809
617	/* coro_run is the alternative tail of transfer(), so unlock here. */	810	/* coro_run is the alternative tail of transfer(), so unlock here. */
618	UNLOCK;	811	UNLOCK;
619		812
620	/*	813	/* we now skip the entersub that lead to transfer() */
621	* this is a _very_ stripped down perl interpreter ;)	814	PL_op = PL_op->op_next;
622	*/
623	PL_top_env = &PL_start_env;
624		815
625	/* inject call to cctx_init */	816	/* inject a fake subroutine call to cctx_init */
626	prepare_cctx (aTHX_ (coro_cctx *)arg);	817	prepare_cctx (aTHX_ (coro_cctx *)arg);
627		818
628	/* somebody will hit me for both perl_run and PL_restartop */	819	/* somebody or something will hit me for both perl_run and PL_restartop */
629	PL_restartop = PL_op;	820	PL_restartop = PL_op;
630	perl_run (PL_curinterp);	821	perl_run (PL_curinterp);
631		822
632	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	823	/*
633	abort ();	824	* If perl-run returns we assume exit() was being called or the coro
		825	* fell off the end, which seems to be the only valid (non-bug)
		826	* reason for perl_run to return. We try to exit by jumping to the
		827	* bootstrap-time "top" top_env, as we cannot restore the "main"
		828	* coroutine as Coro has no such concept
		829	*/
		830	PL_top_env = main_top_env;
		831	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
634	}	832	}
635		833
636	static coro_cctx *	834	static coro_cctx *
637	cctx_new ()	835	cctx_new ()
638	{	836	{
…		…
655	# if CORO_STACKGUARD	853	# if CORO_STACKGUARD
656	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	854	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
657	# endif	855	# endif
658	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	856	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
659	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	857	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
660	cctx->mapped = 1;	858	cctx->flags \|= CC_MAPPED;
661	}	859	}
662	else	860	else
663	#endif	861	#endif
664	{	862	{
665	cctx->ssize = coro_stacksize * (long)sizeof (long);	863	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
692	#if CORO_USE_VALGRIND	890	#if CORO_USE_VALGRIND
693	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	891	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
694	#endif	892	#endif
695		893
696	#if HAVE_MMAP	894	#if HAVE_MMAP
697	if (cctx->mapped)	895	if (cctx->flags & CC_MAPPED)
698	munmap (cctx->sptr, cctx->ssize);	896	munmap (cctx->sptr, cctx->ssize);
699	else	897	else
700	#endif	898	#endif
701	Safefree (cctx->sptr);	899	Safefree (cctx->sptr);
702		900
…		…
710	{	908	{
711	coro_cctx *cctx = cctx_first;	909	coro_cctx *cctx = cctx_first;
712	cctx_first = cctx->next;	910	cctx_first = cctx->next;
713	--cctx_idle;	911	--cctx_idle;
714		912
715	if (cctx->ssize >= coro_stacksize)	913	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
716	return cctx;	914	return cctx;
717		915
718	cctx_destroy (cctx);	916	cctx_destroy (cctx);
719	}	917	}
720		918
721	PL_op = PL_op->op_next;
722	return cctx_new ();	919	return cctx_new ();
723	}	920	}
724		921
725	static void	922	static void
726	cctx_put (coro_cctx *cctx)	923	cctx_put (coro_cctx *cctx)
…		…
730	{	927	{
731	coro_cctx *first = cctx_first;	928	coro_cctx *first = cctx_first;
732	cctx_first = first->next;	929	cctx_first = first->next;
733	--cctx_idle;	930	--cctx_idle;
734		931
735	assert (!first->inuse);
736	cctx_destroy (first);	932	cctx_destroy (first);
737	}	933	}
738		934
739	++cctx_idle;	935	++cctx_idle;
740	cctx->next = cctx_first;	936	cctx->next = cctx_first;
741	cctx_first = cctx;	937	cctx_first = cctx;
742	}	938	}
743		939
744	/ coroutine switching ***************************************************/	940	/ coroutine switching ***************************************************/
745		941
746	/* never call directly, always through the coro_state_transfer global variable */	942	static void NOINLINE
		943	transfer_check (pTHX_ struct coro prev, struct coro next)
		944	{
		945	if (prev != next)
		946	{
		947	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		948	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		949
		950	if (next->flags & CF_RUNNING)
		951	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		952
		953	if (next->flags & CF_DESTROYED)
		954	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		955
		956	if (PL_lex_state != LEX_NOTPARSING)
		957	croak ("Coro::State::transfer called while parsing, but this is not supported");
		958	}
		959	}
		960
		961	/* always use the TRANSFER macro */
747	static void NOINLINE	962	static void NOINLINE
748	transfer (pTHX_ struct coro prev, struct coro next)	963	transfer (pTHX_ struct coro prev, struct coro next)
749	{	964	{
750	dSTACKLEVEL;	965	dSTACKLEVEL;
751		966
…		…
761		976
762	if (prev->flags & CF_NEW)	977	if (prev->flags & CF_NEW)
763	{	978	{
764	/* create a new empty context */	979	/* create a new empty context */
765	Newz (0, prev->cctx, 1, coro_cctx);	980	Newz (0, prev->cctx, 1, coro_cctx);
766	prev->cctx->inuse = 1;
767	prev->flags &= ~CF_NEW;	981	prev->flags &= ~CF_NEW;
768	prev->flags \|= CF_RUNNING;	982	prev->flags \|= CF_RUNNING;
769	}	983	}
770
771	/TODO: must not croak here /
772	if (!prev->flags & CF_RUNNING)
773	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
774
775	if (next->flags & CF_RUNNING)
776	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
777
778	if (next->flags & CF_DESTROYED)
779	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
780		984
781	prev->flags &= ~CF_RUNNING;	985	prev->flags &= ~CF_RUNNING;
782	next->flags \|= CF_RUNNING;	986	next->flags \|= CF_RUNNING;
783		987
784	LOCK;	988	LOCK;
…		…
789	next->flags &= ~CF_NEW;	993	next->flags &= ~CF_NEW;
790	/* first get rid of the old state */	994	/* first get rid of the old state */
791	save_perl (aTHX_ prev);	995	save_perl (aTHX_ prev);
792	/* setup coroutine call */	996	/* setup coroutine call */
793	setup_coro (aTHX_ next);	997	setup_coro (aTHX_ next);
794	/* need a new stack */
795	assert (!next->cctx);
796	}	998	}
797	else	999	else
798	{	1000	{
799	/* coroutine already started */	1001	/* coroutine already started */
800	save_perl (aTHX_ prev);	1002	save_perl (aTHX_ prev);
…		…
802	}	1004	}
803		1005
804	prev__cctx = prev->cctx;	1006	prev__cctx = prev->cctx;
805		1007
806	/* possibly "free" the cctx */	1008	/* possibly "free" the cctx */
807	if (prev__cctx->idle_sp == STACKLEVEL)	1009	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
808	{	1010	{
809	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1011	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
810	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1012	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
811		1013
812	prev->cctx = 0;	1014	prev->cctx = 0;
813		1015
814	cctx_put (prev__cctx);	1016	cctx_put (prev__cctx);
815	prev__cctx->inuse = 0;
816	}	1017	}
817		1018
818	if (!next->cctx)	1019	if (!next->cctx)
819	{
820	next->cctx = cctx_get (aTHX);	1020	next->cctx = cctx_get (aTHX);
821	assert (!next->cctx->inuse);
822	next->cctx->inuse = 1;
823	}
824		1021
825	if (prev__cctx != next->cctx)	1022	if (prev__cctx != next->cctx)
826	{	1023	{
827	prev__cctx->top_env = PL_top_env;	1024	prev__cctx->top_env = PL_top_env;
828	PL_top_env = next->cctx->top_env;	1025	PL_top_env = next->cctx->top_env;
…		…
838	{	1035	{
839	struct coro prev, next;	1036	struct coro prev, next;
840	};	1037	};
841		1038
842	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1039	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1040	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
843		1041
844	/ high level stuff ******************************************************/	1042	/ high level stuff ******************************************************/
845		1043
846	static int	1044	static int
847	coro_state_destroy (pTHX_ struct coro *coro)	1045	coro_state_destroy (pTHX_ struct coro *coro)
…		…
867	struct coro temp;	1065	struct coro temp;
868		1066
869	assert (!(coro->flags & CF_RUNNING));	1067	assert (!(coro->flags & CF_RUNNING));
870		1068
871	Zero (&temp, 1, struct coro);	1069	Zero (&temp, 1, struct coro);
872	temp.save = CORO_SAVE_DEF;	1070	temp.save = CORO_SAVE_ALL;
873		1071
874	if (coro->flags & CF_RUNNING)	1072	if (coro->flags & CF_RUNNING)
875	croak ("FATAL: tried to destroy currently running coroutine");	1073	croak ("FATAL: tried to destroy currently running coroutine");
876		1074
877	save_perl (aTHX_ &temp);	1075	save_perl (aTHX_ &temp);
…		…
885	}	1083	}
886		1084
887	cctx_destroy (coro->cctx);	1085	cctx_destroy (coro->cctx);
888	SvREFCNT_dec (coro->args);	1086	SvREFCNT_dec (coro->args);
889		1087
		1088	if (coro->next) coro->next->prev = coro->prev;
		1089	if (coro->prev) coro->prev->next = coro->next;
		1090	if (coro == coro_first) coro_first = coro->next;
		1091
890	return 1;	1092	return 1;
891	}	1093	}
892		1094
893	static int	1095	static int
894	coro_state_free (pTHX_ SV sv, MAGIC mg)	1096	coro_state_free (pTHX_ SV sv, MAGIC mg)
895	{	1097	{
896	struct coro coro = (struct coro )mg->mg_ptr;	1098	struct coro coro = (struct coro )mg->mg_ptr;
897	mg->mg_ptr = 0;	1099	mg->mg_ptr = 0;
		1100
		1101	coro->hv = 0;
898		1102
899	if (--coro->refcnt < 0)	1103	if (--coro->refcnt < 0)
900	{	1104	{
901	coro_state_destroy (aTHX_ coro);	1105	coro_state_destroy (aTHX_ coro);
902	Safefree (coro);	1106	Safefree (coro);
…		…
924	#else	1128	#else
925	# define MGf_DUP 0	1129	# define MGf_DUP 0
926	#endif	1130	#endif
927	};	1131	};
928		1132
929	static struct coro *
930	SvSTATE_ (pTHX_ SV *coro)
931	{
932	HV *stash;
933	MAGIC *mg;
934
935	if (SvROK (coro))
936	coro = SvRV (coro);
937
938	stash = SvSTASH (coro);
939	if (stash != coro_stash && stash != coro_state_stash)
940	{
941	/* very slow, but rare, check */
942	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
943	croak ("Coro::State object required");
944	}
945
946	mg = CORO_MAGIC (coro);
947	return (struct coro *)mg->mg_ptr;
948	}
949
950	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
951
952	static void	1133	static void
953	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1134	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
954	{	1135	{
955	ta->prev = SvSTATE (prev_sv);	1136	ta->prev = SvSTATE (prev_sv);
956	ta->next = SvSTATE (next_sv);	1137	ta->next = SvSTATE (next_sv);
		1138	TRANSFER_CHECK (*ta);
957	}	1139	}
958		1140
959	static void	1141	static void
960	api_transfer (SV prev_sv, SV next_sv)	1142	api_transfer (SV prev_sv, SV next_sv)
961	{	1143	{
…		…
1078	break;	1260	break;
1079	}	1261	}
1080		1262
1081	/* free this only after the transfer */	1263	/* free this only after the transfer */
1082	prev_sv = SvRV (coro_current);	1264	prev_sv = SvRV (coro_current);
1083	SvRV_set (coro_current, next_sv);
1084	ta->prev = SvSTATE (prev_sv);	1265	ta->prev = SvSTATE (prev_sv);
1085		1266	TRANSFER_CHECK (*ta);
1086	assert (ta->next->flags & CF_READY);	1267	assert (ta->next->flags & CF_READY);
1087	ta->next->flags &= ~CF_READY;	1268	ta->next->flags &= ~CF_READY;
		1269	SvRV_set (coro_current, next_sv);
1088		1270
1089	LOCK;	1271	LOCK;
1090	free_coro_mortal (aTHX);	1272	free_coro_mortal (aTHX);
1091	coro_mortal = prev_sv;	1273	coro_mortal = prev_sv;
1092	UNLOCK;	1274	UNLOCK;
…		…
1165	MUTEX_INIT (&coro_mutex);	1347	MUTEX_INIT (&coro_mutex);
1166	#endif	1348	#endif
1167	BOOT_PAGESIZE;	1349	BOOT_PAGESIZE;
1168		1350
1169	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1351	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		1352
		1353	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
		1354	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
		1355	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
		1356	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1170		1357
1171	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1358	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1172	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1359	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1173	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1360	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1174	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1361	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1175	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));	1362	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1176	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1363	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1177	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1364	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1178		1365
1179	main_mainstack = PL_mainstack;	1366	main_mainstack = PL_mainstack;
		1367	main_top_env = PL_top_env;
		1368
		1369	while (main_top_env->je_prev)
		1370	main_top_env = main_top_env->je_prev;
1180		1371
1181	coroapi.ver = CORO_API_VERSION;	1372	coroapi.ver = CORO_API_VERSION;
1182	coroapi.transfer = api_transfer;	1373	coroapi.transfer = api_transfer;
1183		1374
1184	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1375	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1195	Newz (0, coro, 1, struct coro);	1386	Newz (0, coro, 1, struct coro);
1196	coro->args = newAV ();	1387	coro->args = newAV ();
1197	coro->save = CORO_SAVE_DEF;	1388	coro->save = CORO_SAVE_DEF;
1198	coro->flags = CF_NEW;	1389	coro->flags = CF_NEW;
1199		1390
		1391	if (coro_first) coro_first->prev = coro;
		1392	coro->next = coro_first;
		1393	coro_first = coro;
		1394
1200	hv = newHV ();	1395	coro->hv = hv = newHV ();
1201	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1396	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1202	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1397	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1203		1398
1204	for (i = 1; i < items; i++)	1399	for (i = 1; i < items; i++)
1205	av_push (coro->args, newSVsv (ST (i)));	1400	av_push (coro->args, newSVsv (ST (i)));
…		…
1307	CODE:	1502	CODE:
1308	RETVAL = cctx_idle;	1503	RETVAL = cctx_idle;
1309	OUTPUT:	1504	OUTPUT:
1310	RETVAL	1505	RETVAL
1311		1506
		1507	void
		1508	list ()
		1509	PPCODE:
		1510	{
		1511	struct coro *coro;
		1512	for (coro = coro_first; coro; coro = coro->next)
		1513	if (coro->hv)
		1514	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1515	}
		1516
		1517	void
		1518	call (Coro::State coro, SV *coderef)
		1519	ALIAS:
		1520	eval = 1
		1521	CODE:
		1522	{
		1523	if (coro->mainstack)
		1524	{
		1525	struct coro temp;
		1526	Zero (&temp, 1, struct coro);
		1527	temp.save = CORO_SAVE_ALL;
		1528
		1529	if (!(coro->flags & CF_RUNNING))
		1530	{
		1531	save_perl (aTHX_ &temp);
		1532	load_perl (aTHX_ coro);
		1533	}
		1534
		1535	{
		1536	dSP;
		1537	ENTER;
		1538	SAVETMPS;
		1539	PUSHMARK (SP);
		1540	PUTBACK;
		1541	if (ix)
		1542	eval_sv (coderef, 0);
		1543	else
		1544	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1545	SPAGAIN;
		1546	FREETMPS;
		1547	LEAVE;
		1548	PUTBACK;
		1549	}
		1550
		1551	if (!(coro->flags & CF_RUNNING))
		1552	{
		1553	save_perl (aTHX_ coro);
		1554	load_perl (aTHX_ &temp);
		1555	}
		1556	}
		1557	}
		1558
		1559	SV *
		1560	is_ready (Coro::State coro)
		1561	PROTOTYPE: $
		1562	ALIAS:
		1563	is_ready = CF_READY
		1564	is_running = CF_RUNNING
		1565	is_new = CF_NEW
		1566	is_destroyed = CF_DESTROYED
		1567	CODE:
		1568	RETVAL = boolSV (coro->flags & ix);
		1569	OUTPUT:
		1570	RETVAL
		1571
		1572	void
		1573	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1574	CODE:
		1575	if (flags & CC_TRACE)
		1576	{
		1577	if (!coro->cctx)
		1578	coro->cctx = cctx_new ();
		1579	else if (!(coro->cctx->flags & CC_TRACE))
		1580	croak ("cannot enable tracing on coroutine with custom stack");
		1581
		1582	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
		1583	}
		1584	else
		1585	if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1586	{
		1587	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1588	coro->cctx->flags \|= CC_NOREUSE;
		1589
		1590	if (coro->flags & CF_RUNNING)
		1591	PL_runops = RUNOPS_DEFAULT;
		1592	else
		1593	coro->runops = RUNOPS_DEFAULT;
		1594	}
		1595
		1596	SV *
		1597	has_stack (Coro::State coro)
		1598	PROTOTYPE: $
		1599	CODE:
		1600	RETVAL = boolSV (!!coro->cctx);
		1601	OUTPUT:
		1602	RETVAL
		1603
		1604	int
		1605	is_traced (Coro::State coro)
		1606	PROTOTYPE: $
		1607	CODE:
		1608	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1609	OUTPUT:
		1610	RETVAL
		1611
		1612	IV
		1613	rss (Coro::State coro)
		1614	PROTOTYPE: $
		1615	CODE:
		1616	RETVAL = coro_rss (coro);
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620
1312	MODULE = Coro::State PACKAGE = Coro	1621	MODULE = Coro::State PACKAGE = Coro
1313		1622
1314	BOOT:	1623	BOOT:
1315	{	1624	{
1316	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);
1317		1633
1318	coro_stash = gv_stashpv ("Coro", TRUE);	1634	coro_stash = gv_stashpv ("Coro", TRUE);
1319		1635
1320	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1321	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1637	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1322	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1638	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1323	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1639	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1324	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1640	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1325	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1641	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1326
1327	coro_current = get_sv ("Coro::current", FALSE);
1328	SvREADONLY_on (coro_current);
1329		1642
1330	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1643	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1331	coro_ready[i] = newAV ();	1644	coro_ready[i] = newAV ();
1332		1645
1333	{	1646	{
…		…
1383	CODE:	1696	CODE:
1384	RETVAL = boolSV (api_ready (self));	1697	RETVAL = boolSV (api_ready (self));
1385	OUTPUT:	1698	OUTPUT:
1386	RETVAL	1699	RETVAL
1387		1700
1388	SV *
1389	is_ready (SV *self)
1390	PROTOTYPE: $
1391	CODE:
1392	RETVAL = boolSV (api_is_ready (self));
1393	OUTPUT:
1394	RETVAL
1395
1396	int	1701	int
1397	nready (...)	1702	nready (...)
1398	PROTOTYPE:	1703	PROTOTYPE:
1399	CODE:	1704	CODE:
1400	RETVAL = coro_nready;	1705	RETVAL = coro_nready;
1401	OUTPUT:	1706	OUTPUT:
1402	RETVAL	1707	RETVAL
1403		1708
		1709	# for async_pool speedup
		1710	void
		1711	_pool_1 (SV *cb)
		1712	CODE:
		1713	{
		1714	int i, len;
		1715	HV hv = (HV )SvRV (coro_current);
		1716	AV *defav = GvAV (PL_defgv);
		1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1718	AV *invoke_av;
		1719
		1720	if (!invoke)
		1721	croak ("\3terminate\2\n");
		1722
		1723	hv_store (hv, "desc", sizeof ("desc") - 1,
		1724	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1725
		1726	invoke_av = (AV *)SvRV (invoke);
		1727	len = av_len (invoke_av);
		1728
		1729	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1730
		1731	if (len > 0)
		1732	{
		1733	av_fill (defav, len - 1);
		1734	for (i = 0; i < len; ++i)
		1735	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1736	}
		1737
		1738	SvREFCNT_dec (invoke);
		1739	}
		1740
		1741	void
		1742	_pool_2 (SV *cb)
		1743	CODE:
		1744	{
		1745	struct coro *coro = SvSTATE (coro_current);
		1746
		1747	sv_setsv (cb, &PL_sv_undef);
		1748
		1749	if (coro_rss (coro) > SvIV (sv_pool_rss)
		1750	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1751	croak ("\3terminate\2\n");
		1752
		1753	av_clear (GvAV (PL_defgv));
		1754	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1755	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1756	coro->save = CORO_SAVE_DEF;
		1757	coro->prio = 0;
		1758	av_push (av_async_pool, newSVsv (coro_current));
		1759	}
		1760
		1761
1404	MODULE = Coro::State PACKAGE = Coro::AIO	1762	MODULE = Coro::State PACKAGE = Coro::AIO
1405		1763
1406	SV *	1764	SV *
1407	_get_state ()	1765	_get_state ()
1408	CODE:	1766	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.147 by root, Mon Mar 19 15:50:48 2007 UTC vs. Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.147 by root, Mon Mar 19 15:50:48 2007 UTC vs.
Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC