[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 1.176 by root, Sun Sep 30 13:50:38 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 */
…		…
185		199
186	#define VAR(name,type) type name;	200	#define VAR(name,type) type name;
187	# include "state.h"	201	# include "state.h"
188	#undef VAR	202	#undef VAR
189		203
		204	/* statistics */
		205	int usecount; /* number of switches to this coro */
		206
190	/* coro process data */	207	/* coro process data */
191	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 */
192	};	213	};
193		214
194	typedef struct coro *Coro__State;	215	typedef struct coro *Coro__State;
195	typedef struct coro *Coro__State_or_hashref;	216	typedef struct coro *Coro__State_or_hashref;
196		217
…		…
205		226
206	/* for Coro.pm */	227	/* for Coro.pm */
207	static SV *coro_current;	228	static SV *coro_current;
208	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	229	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
209	static int coro_nready;	230	static int coro_nready;
		231	static struct coro *coro_first;
210		232
211	/ lowlevel stuff ********************************************************/	233	/ lowlevel stuff ********************************************************/
212		234
213	static AV *	235	static AV *
214	coro_clone_padlist (pTHX_ CV *cv)	236	coro_clone_padlist (pTHX_ CV *cv)
…		…
279	SvMAGIC (cv) \	301	SvMAGIC (cv) \
280	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	302	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
281	? SvMAGIC (cv) \	303	? SvMAGIC (cv) \
282	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	304	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
283	: 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))
284		332
285	/* the next two functions merely cache the padlists */	333	/* the next two functions merely cache the padlists */
286	static void	334	static void
287	get_padlist (pTHX_ CV *cv)	335	get_padlist (pTHX_ CV *cv)
288	{	336	{
…		…
373	CvPADLIST (cv) = (AV *)POPs;	421	CvPADLIST (cv) = (AV *)POPs;
374	}	422	}
375		423
376	PUTBACK;	424	PUTBACK;
377	}	425	}
378	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
379	}	426	}
380		427
381	static void	428	static void
382	save_perl (pTHX_ Coro__State c)	429	save_perl (pTHX_ Coro__State c)
383	{	430	{
384	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
385	{	431	{
386	dSP;	432	dSP;
387	I32 cxix = cxstack_ix;	433	I32 cxix = cxstack_ix;
388	PERL_CONTEXT *ccstk = cxstack;	434	PERL_CONTEXT *ccstk = cxstack;
389	PERL_SI *top_si = PL_curstackinfo;	435	PERL_SI *top_si = PL_curstackinfo;
…		…
391	/*	437	/*
392	* 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
393	* (and reinitialize) all cv's in the whole callchain :(	439	* (and reinitialize) all cv's in the whole callchain :(
394	*/	440	*/
395		441
396	EXTEND (SP, 3 + 1);
397	PUSHs (Nullsv);	442	XPUSHs (Nullsv);
398	/* this loop was inspired by pp_caller */	443	/* this loop was inspired by pp_caller */
399	for (;;)	444	for (;;)
400	{	445	{
401	while (cxix >= 0)	446	while (cxix >= 0)
402	{	447	{
403	PERL_CONTEXT *cx = &ccstk[cxix--];	448	PERL_CONTEXT *cx = &ccstk[cxix--];
404		449
405	if (CxTYPE (cx) == CXt_SUB)	450	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
406	{	451	{
407	CV *cv = cx->blk_sub.cv;	452	CV *cv = cx->blk_sub.cv;
408		453
409	if (CvDEPTH (cv))	454	if (CvDEPTH (cv))
410	{	455	{
…		…
421		466
422	if (top_si->si_type == PERLSI_MAIN)	467	if (top_si->si_type == PERLSI_MAIN)
423	break;	468	break;
424		469
425	top_si = top_si->si_prev;	470	top_si = top_si->si_prev;
426	ccstk = top_si->si_cxstack;	471	ccstk = top_si->si_cxstack;
427	cxix = top_si->si_cxix;	472	cxix = top_si->si_cxix;
428	}	473	}
429		474
430	PUTBACK;	475	PUTBACK;
431	}	476	}
432		477
…		…
451	# define coro_init_stacks init_stacks	496	# define coro_init_stacks init_stacks
452	#else	497	#else
453	static void	498	static void
454	coro_init_stacks (pTHX)	499	coro_init_stacks (pTHX)
455	{	500	{
456	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	501	PL_curstackinfo = new_stackinfo(64, 6);
457	PL_curstackinfo->si_type = PERLSI_MAIN;	502	PL_curstackinfo->si_type = PERLSI_MAIN;
458	PL_curstack = PL_curstackinfo->si_stack;	503	PL_curstack = PL_curstackinfo->si_stack;
459	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	504	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
460		505
461	PL_stack_base = AvARRAY(PL_curstack);	506	PL_stack_base = AvARRAY(PL_curstack);
462	PL_stack_sp = PL_stack_base;	507	PL_stack_sp = PL_stack_base;
463	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	508	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
464		509
465	New(50,PL_tmps_stack,128,SV*);	510	New(50,PL_tmps_stack,64,SV*);
466	PL_tmps_floor = -1;	511	PL_tmps_floor = -1;
467	PL_tmps_ix = -1;	512	PL_tmps_ix = -1;
468	PL_tmps_max = 128;	513	PL_tmps_max = 64;
469		514
470	New(54,PL_markstack,32,I32);	515	New(54,PL_markstack,16,I32);
471	PL_markstack_ptr = PL_markstack;	516	PL_markstack_ptr = PL_markstack;
472	PL_markstack_max = PL_markstack + 32;	517	PL_markstack_max = PL_markstack + 16;
473		518
474	#ifdef SET_MARK_OFFSET	519	#ifdef SET_MARK_OFFSET
475	SET_MARK_OFFSET;	520	SET_MARK_OFFSET;
476	#endif	521	#endif
477		522
478	New(54,PL_scopestack,32,I32);	523	New(54,PL_scopestack,16,I32);
479	PL_scopestack_ix = 0;	524	PL_scopestack_ix = 0;
480	PL_scopestack_max = 32;	525	PL_scopestack_max = 16;
481		526
482	New(54,PL_savestack,64,ANY);	527	New(54,PL_savestack,64,ANY);
483	PL_savestack_ix = 0;	528	PL_savestack_ix = 0;
484	PL_savestack_max = 64;	529	PL_savestack_max = 64;
485		530
486	#if !PERL_VERSION_ATLEAST (5,9,0)	531	#if !PERL_VERSION_ATLEAST (5,9,0)
487	New(54,PL_retstack,16,OP*);	532	New(54,PL_retstack,4,OP*);
488	PL_retstack_ix = 0;	533	PL_retstack_ix = 0;
489	PL_retstack_max = 16;	534	PL_retstack_max = 4;
490	#endif	535	#endif
491	}	536	}
492	#endif	537	#endif
493		538
494	/*	539	/*
…		…
536	#if !PERL_VERSION_ATLEAST (5,9,0)	581	#if !PERL_VERSION_ATLEAST (5,9,0)
537	Safefree (PL_retstack);	582	Safefree (PL_retstack);
538	#endif	583	#endif
539	}	584	}
540		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
541	/ coroutine stack handling **********************************************/	617	/ coroutine stack handling **********************************************/
542		618
543	static void	619	static void
544	setup_coro (pTHX_ struct coro *coro)	620	setup_coro (pTHX_ struct coro *coro)
545	{	621	{
546	/*	622	/*
547	* emulate part of the perl startup here.	623	* emulate part of the perl startup here.
548	*/	624	*/
549	coro_init_stacks (aTHX);	625	coro_init_stacks (aTHX);
550		626
		627	PL_runops = RUNOPS_DEFAULT;
551	PL_curcop = &PL_compiling;	628	PL_curcop = &PL_compiling;
552	PL_in_eval = EVAL_NULL;	629	PL_in_eval = EVAL_NULL;
553	PL_comppad = 0;	630	PL_comppad = 0;
554	PL_curpm = 0;	631	PL_curpm = 0;
555	PL_localizing = 0;	632	PL_localizing = 0;
…		…
566	Zero (&myop, 1, LOGOP);	643	Zero (&myop, 1, LOGOP);
567	myop.op_next = Nullop;	644	myop.op_next = Nullop;
568	myop.op_flags = OPf_WANT_VOID;	645	myop.op_flags = OPf_WANT_VOID;
569		646
570	PUSHMARK (SP);	647	PUSHMARK (SP);
571	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	648	XPUSHs (av_shift (GvAV (PL_defgv)));
572	PUTBACK;	649	PUTBACK;
573	PL_op = (OP *)&myop;	650	PL_op = (OP *)&myop;
574	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	651	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
575	SPAGAIN;	652	SPAGAIN;
576	}	653	}
…		…
586	SvREFCNT_dec (coro_mortal);	663	SvREFCNT_dec (coro_mortal);
587	coro_mortal = 0;	664	coro_mortal = 0;
588	}	665	}
589	}	666	}
590		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 (cctx->flags & CC_TRACE_ALL)
		681	{
		682	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		683	{
		684	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		685	SV bot, top;
		686	AV av = newAV (); / return values */
		687	SV **cb;
		688	dSP;
		689
		690	GV *gv = CvGV (cx->blk_sub.cv);
		691	SV *fullname = sv_2mortal (newSV (0));
		692	if (isGV (gv))
		693	gv_efullname3 (fullname, gv, 0);
		694
		695	bot = PL_stack_base + cx->blk_oldsp + 1;
		696	top = cx->blk_gimme == G_ARRAY ? SP + 1
		697	: cx->blk_gimme == G_SCALAR ? bot + 1
		698	: bot;
		699
		700	while (bot < top)
		701	av_push (av, SvREFCNT_inc (*bot++));
		702
		703	PL_runops = RUNOPS_DEFAULT;
		704	ENTER;
		705	SAVETMPS;
		706	EXTEND (SP, 3);
		707	PUSHMARK (SP);
		708	PUSHs (&PL_sv_no);
		709	PUSHs (fullname);
		710	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		711	PUTBACK;
		712	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		713	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		714	SPAGAIN;
		715	FREETMPS;
		716	LEAVE;
		717	PL_runops = runops_trace;
		718	}
		719
		720	if (oldcop != PL_curcop)
		721	{
		722	oldcop = PL_curcop;
		723
		724	if (PL_curcop != &PL_compiling)
		725	{
		726	SV **cb;
		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	runops_proc_t old_runops = PL_runops;
		735	dSP;
		736	GV *gv = CvGV (cx->blk_sub.cv);
		737	SV *fullname = sv_2mortal (newSV (0));
		738
		739	if (isGV (gv))
		740	gv_efullname3 (fullname, gv, 0);
		741
		742	PL_runops = RUNOPS_DEFAULT;
		743	ENTER;
		744	SAVETMPS;
		745	EXTEND (SP, 3);
		746	PUSHMARK (SP);
		747	PUSHs (&PL_sv_yes);
		748	PUSHs (fullname);
		749	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		750	PUTBACK;
		751	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		752	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		753	SPAGAIN;
		754	FREETMPS;
		755	LEAVE;
		756	PL_runops = runops_trace;
		757	}
		758
		759	oldcxix = cxstack_ix;
		760	}
		761
		762	if (cctx->flags & CC_TRACE_LINE)
		763	{
		764	dSP;
		765
		766	PL_runops = RUNOPS_DEFAULT;
		767	ENTER;
		768	SAVETMPS;
		769	EXTEND (SP, 3);
		770	PL_runops = RUNOPS_DEFAULT;
		771	PUSHMARK (SP);
		772	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		773	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		774	PUTBACK;
		775	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		776	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		777	SPAGAIN;
		778	FREETMPS;
		779	LEAVE;
		780	PL_runops = runops_trace;
		781	}
		782	}
		783	}
		784	}
		785	}
		786
		787	TAINT_NOT;
		788	return 0;
		789	}
		790
591	/* inject a fake call to Coro::State::_cctx_init into the execution */	791	/* inject a fake call to Coro::State::_cctx_init into the execution */
		792	/* _cctx_init should be careful, as it could be called at almost any time */
		793	/* during execution of a perl program */
592	static void NOINLINE	794	static void NOINLINE
593	prepare_cctx (pTHX_ coro_cctx *cctx)	795	prepare_cctx (pTHX_ coro_cctx *cctx)
594	{	796	{
595	dSP;	797	dSP;
596	LOGOP myop;	798	LOGOP myop;
		799
		800	PL_top_env = &PL_start_env;
		801
		802	if (cctx->flags & CC_TRACE)
		803	PL_runops = runops_trace;
597		804
598	Zero (&myop, 1, LOGOP);	805	Zero (&myop, 1, LOGOP);
599	myop.op_next = PL_op;	806	myop.op_next = PL_op;
600	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	807	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
601		808
…		…
607	PL_op = (OP *)&myop;	814	PL_op = (OP *)&myop;
608	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	815	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
609	SPAGAIN;	816	SPAGAIN;
610	}	817	}
611		818
		819	/*
		820	* this is a _very_ stripped down perl interpreter ;)
		821	*/
612	static void	822	static void
613	coro_run (void *arg)	823	coro_run (void *arg)
614	{	824	{
615	dTHX;	825	dTHX;
616		826
617	/* coro_run is the alternative tail of transfer(), so unlock here. */	827	/* coro_run is the alternative tail of transfer(), so unlock here. */
618	UNLOCK;	828	UNLOCK;
619		829
620	/*	830	/* we now skip the entersub that lead to transfer() */
621	* this is a _very_ stripped down perl interpreter ;)	831	PL_op = PL_op->op_next;
622	*/
623	PL_top_env = &PL_start_env;
624		832
625	/* inject call to cctx_init */	833	/* inject a fake subroutine call to cctx_init */
626	prepare_cctx (aTHX_ (coro_cctx *)arg);	834	prepare_cctx (aTHX_ (coro_cctx *)arg);
627		835
628	/* somebody will hit me for both perl_run and PL_restartop */	836	/* somebody or something will hit me for both perl_run and PL_restartop */
629	PL_restartop = PL_op;	837	PL_restartop = PL_op;
630	perl_run (PL_curinterp);	838	perl_run (PL_curinterp);
631		839
632	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	840	/*
633	abort ();	841	* If perl-run returns we assume exit() was being called or the coro
		842	* fell off the end, which seems to be the only valid (non-bug)
		843	* reason for perl_run to return. We try to exit by jumping to the
		844	* bootstrap-time "top" top_env, as we cannot restore the "main"
		845	* coroutine as Coro has no such concept
		846	*/
		847	PL_top_env = main_top_env;
		848	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
634	}	849	}
635		850
636	static coro_cctx *	851	static coro_cctx *
637	cctx_new ()	852	cctx_new ()
638	{	853	{
…		…
655	# if CORO_STACKGUARD	870	# if CORO_STACKGUARD
656	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	871	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
657	# endif	872	# endif
658	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	873	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
659	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	874	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
660	cctx->mapped = 1;	875	cctx->flags \|= CC_MAPPED;
661	}	876	}
662	else	877	else
663	#endif	878	#endif
664	{	879	{
665	cctx->ssize = coro_stacksize * (long)sizeof (long);	880	cctx->ssize = coro_stacksize * (long)sizeof (long);
…		…
692	#if CORO_USE_VALGRIND	907	#if CORO_USE_VALGRIND
693	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	908	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
694	#endif	909	#endif
695		910
696	#if HAVE_MMAP	911	#if HAVE_MMAP
697	if (cctx->mapped)	912	if (cctx->flags & CC_MAPPED)
698	munmap (cctx->sptr, cctx->ssize);	913	munmap (cctx->sptr, cctx->ssize);
699	else	914	else
700	#endif	915	#endif
701	Safefree (cctx->sptr);	916	Safefree (cctx->sptr);
702		917
…		…
710	{	925	{
711	coro_cctx *cctx = cctx_first;	926	coro_cctx *cctx = cctx_first;
712	cctx_first = cctx->next;	927	cctx_first = cctx->next;
713	--cctx_idle;	928	--cctx_idle;
714		929
715	if (cctx->ssize >= coro_stacksize)	930	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
716	return cctx;	931	return cctx;
717		932
718	cctx_destroy (cctx);	933	cctx_destroy (cctx);
719	}	934	}
720		935
721	PL_op = PL_op->op_next;
722	return cctx_new ();	936	return cctx_new ();
723	}	937	}
724		938
725	static void	939	static void
726	cctx_put (coro_cctx *cctx)	940	cctx_put (coro_cctx *cctx)
…		…
730	{	944	{
731	coro_cctx *first = cctx_first;	945	coro_cctx *first = cctx_first;
732	cctx_first = first->next;	946	cctx_first = first->next;
733	--cctx_idle;	947	--cctx_idle;
734		948
735	assert (!first->inuse);
736	cctx_destroy (first);	949	cctx_destroy (first);
737	}	950	}
738		951
739	++cctx_idle;	952	++cctx_idle;
740	cctx->next = cctx_first;	953	cctx->next = cctx_first;
741	cctx_first = cctx;	954	cctx_first = cctx;
742	}	955	}
743		956
744	/ coroutine switching ***************************************************/	957	/ coroutine switching ***************************************************/
745		958
746	/* never call directly, always through the coro_state_transfer global variable */	959	static void NOINLINE
		960	transfer_check (pTHX_ struct coro prev, struct coro next)
		961	{
		962	if (prev != next)
		963	{
		964	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		965	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		966
		967	if (next->flags & CF_RUNNING)
		968	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		969
		970	if (next->flags & CF_DESTROYED)
		971	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		972
		973	if (PL_lex_state != LEX_NOTPARSING)
		974	croak ("Coro::State::transfer called while parsing, but this is not supported");
		975	}
		976	}
		977
		978	/* always use the TRANSFER macro */
747	static void NOINLINE	979	static void NOINLINE
748	transfer (pTHX_ struct coro prev, struct coro next)	980	transfer (pTHX_ struct coro prev, struct coro next)
749	{	981	{
750	dSTACKLEVEL;	982	dSTACKLEVEL;
751		983
…		…
761		993
762	if (prev->flags & CF_NEW)	994	if (prev->flags & CF_NEW)
763	{	995	{
764	/* create a new empty context */	996	/* create a new empty context */
765	Newz (0, prev->cctx, 1, coro_cctx);	997	Newz (0, prev->cctx, 1, coro_cctx);
766	prev->cctx->inuse = 1;
767	prev->flags &= ~CF_NEW;	998	prev->flags &= ~CF_NEW;
768	prev->flags \|= CF_RUNNING;	999	prev->flags \|= CF_RUNNING;
769	}	1000	}
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		1001
781	prev->flags &= ~CF_RUNNING;	1002	prev->flags &= ~CF_RUNNING;
782	next->flags \|= CF_RUNNING;	1003	next->flags \|= CF_RUNNING;
783		1004
784	LOCK;	1005	LOCK;
…		…
789	next->flags &= ~CF_NEW;	1010	next->flags &= ~CF_NEW;
790	/* first get rid of the old state */	1011	/* first get rid of the old state */
791	save_perl (aTHX_ prev);	1012	save_perl (aTHX_ prev);
792	/* setup coroutine call */	1013	/* setup coroutine call */
793	setup_coro (aTHX_ next);	1014	setup_coro (aTHX_ next);
794	/* need a new stack */
795	assert (!next->cctx);
796	}	1015	}
797	else	1016	else
798	{	1017	{
799	/* coroutine already started */	1018	/* coroutine already started */
800	save_perl (aTHX_ prev);	1019	save_perl (aTHX_ prev);
…		…
802	}	1021	}
803		1022
804	prev__cctx = prev->cctx;	1023	prev__cctx = prev->cctx;
805		1024
806	/* possibly "free" the cctx */	1025	/* possibly "free" the cctx */
807	if (prev__cctx->idle_sp == STACKLEVEL)	1026	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
808	{	1027	{
809	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1028	/* 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));	1029	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
811		1030
812	prev->cctx = 0;	1031	prev->cctx = 0;
813		1032
814	cctx_put (prev__cctx);	1033	cctx_put (prev__cctx);
815	prev__cctx->inuse = 0;
816	}	1034	}
817		1035
		1036	++next->usecount;
		1037
818	if (!next->cctx)	1038	if (!next->cctx)
819	{
820	next->cctx = cctx_get (aTHX);	1039	next->cctx = cctx_get (aTHX);
821	assert (!next->cctx->inuse);
822	next->cctx->inuse = 1;
823	}
824		1040
825	if (prev__cctx != next->cctx)	1041	if (prev__cctx != next->cctx)
826	{	1042	{
827	prev__cctx->top_env = PL_top_env;	1043	prev__cctx->top_env = PL_top_env;
828	PL_top_env = next->cctx->top_env;	1044	PL_top_env = next->cctx->top_env;
…		…
838	{	1054	{
839	struct coro prev, next;	1055	struct coro prev, next;
840	};	1056	};
841		1057
842	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1058	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1059	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
843		1060
844	/ high level stuff ******************************************************/	1061	/ high level stuff ******************************************************/
845		1062
846	static int	1063	static int
847	coro_state_destroy (pTHX_ struct coro *coro)	1064	coro_state_destroy (pTHX_ struct coro *coro)
…		…
867	struct coro temp;	1084	struct coro temp;
868		1085
869	assert (!(coro->flags & CF_RUNNING));	1086	assert (!(coro->flags & CF_RUNNING));
870		1087
871	Zero (&temp, 1, struct coro);	1088	Zero (&temp, 1, struct coro);
872	temp.save = CORO_SAVE_DEF;	1089	temp.save = CORO_SAVE_ALL;
873		1090
874	if (coro->flags & CF_RUNNING)	1091	if (coro->flags & CF_RUNNING)
875	croak ("FATAL: tried to destroy currently running coroutine");	1092	croak ("FATAL: tried to destroy currently running coroutine");
876		1093
877	save_perl (aTHX_ &temp);	1094	save_perl (aTHX_ &temp);
…		…
885	}	1102	}
886		1103
887	cctx_destroy (coro->cctx);	1104	cctx_destroy (coro->cctx);
888	SvREFCNT_dec (coro->args);	1105	SvREFCNT_dec (coro->args);
889		1106
		1107	if (coro->next) coro->next->prev = coro->prev;
		1108	if (coro->prev) coro->prev->next = coro->next;
		1109	if (coro == coro_first) coro_first = coro->next;
		1110
890	return 1;	1111	return 1;
891	}	1112	}
892		1113
893	static int	1114	static int
894	coro_state_free (pTHX_ SV sv, MAGIC mg)	1115	coro_state_free (pTHX_ SV sv, MAGIC mg)
895	{	1116	{
896	struct coro coro = (struct coro )mg->mg_ptr;	1117	struct coro coro = (struct coro )mg->mg_ptr;
897	mg->mg_ptr = 0;	1118	mg->mg_ptr = 0;
		1119
		1120	coro->hv = 0;
898		1121
899	if (--coro->refcnt < 0)	1122	if (--coro->refcnt < 0)
900	{	1123	{
901	coro_state_destroy (aTHX_ coro);	1124	coro_state_destroy (aTHX_ coro);
902	Safefree (coro);	1125	Safefree (coro);
…		…
924	#else	1147	#else
925	# define MGf_DUP 0	1148	# define MGf_DUP 0
926	#endif	1149	#endif
927	};	1150	};
928		1151
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	1152	static void
953	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1153	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
954	{	1154	{
955	ta->prev = SvSTATE (prev_sv);	1155	ta->prev = SvSTATE (prev_sv);
956	ta->next = SvSTATE (next_sv);	1156	ta->next = SvSTATE (next_sv);
		1157	TRANSFER_CHECK (*ta);
957	}	1158	}
958		1159
959	static void	1160	static void
960	api_transfer (SV prev_sv, SV next_sv)	1161	api_transfer (SV prev_sv, SV next_sv)
961	{	1162	{
…		…
1078	break;	1279	break;
1079	}	1280	}
1080		1281
1081	/* free this only after the transfer */	1282	/* free this only after the transfer */
1082	prev_sv = SvRV (coro_current);	1283	prev_sv = SvRV (coro_current);
1083	SvRV_set (coro_current, next_sv);
1084	ta->prev = SvSTATE (prev_sv);	1284	ta->prev = SvSTATE (prev_sv);
1085		1285	TRANSFER_CHECK (*ta);
1086	assert (ta->next->flags & CF_READY);	1286	assert (ta->next->flags & CF_READY);
1087	ta->next->flags &= ~CF_READY;	1287	ta->next->flags &= ~CF_READY;
		1288	SvRV_set (coro_current, next_sv);
1088		1289
1089	LOCK;	1290	LOCK;
1090	free_coro_mortal (aTHX);	1291	free_coro_mortal (aTHX);
1091	coro_mortal = prev_sv;	1292	coro_mortal = prev_sv;
1092	UNLOCK;	1293	UNLOCK;
…		…
1153	}	1354	}
1154	else	1355	else
1155	return 0;	1356	return 0;
1156	}	1357	}
1157		1358
		1359	static void
		1360	api_trace (SV *coro_sv, int flags)
		1361	{
		1362	dTHX;
		1363	struct coro *coro = SvSTATE (coro_sv);
		1364
		1365	if (flags & CC_TRACE)
		1366	{
		1367	if (!coro->cctx)
		1368	coro->cctx = cctx_new ();
		1369	else if (!(coro->cctx->flags & CC_TRACE))
		1370	croak ("cannot enable tracing on coroutine with custom stack");
		1371
		1372	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1373	}
		1374	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1375	{
		1376	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1377
		1378	if (coro->flags & CF_RUNNING)
		1379	PL_runops = RUNOPS_DEFAULT;
		1380	else
		1381	coro->runops = RUNOPS_DEFAULT;
		1382	}
		1383	}
		1384
1158	MODULE = Coro::State PACKAGE = Coro::State	1385	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1159		1386
1160	PROTOTYPES: DISABLE	1387	PROTOTYPES: DISABLE
1161		1388
1162	BOOT:	1389	BOOT:
1163	{	1390	{
…		…
1165	MUTEX_INIT (&coro_mutex);	1392	MUTEX_INIT (&coro_mutex);
1166	#endif	1393	#endif
1167	BOOT_PAGESIZE;	1394	BOOT_PAGESIZE;
1168		1395
1169	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		1397
		1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
		1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
		1400	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
		1401	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1170		1402
1171	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1403	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1172	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1404	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1173	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1405	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1174	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1406	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1175	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));	1407	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1176	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));	1408	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1177	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1409	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1178		1410
1179	main_mainstack = PL_mainstack;	1411	main_mainstack = PL_mainstack;
		1412	main_top_env = PL_top_env;
		1413
		1414	while (main_top_env->je_prev)
		1415	main_top_env = main_top_env->je_prev;
1180		1416
1181	coroapi.ver = CORO_API_VERSION;	1417	coroapi.ver = CORO_API_VERSION;
1182	coroapi.transfer = api_transfer;	1418	coroapi.transfer = api_transfer;
1183		1419
1184	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1420	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1195	Newz (0, coro, 1, struct coro);	1431	Newz (0, coro, 1, struct coro);
1196	coro->args = newAV ();	1432	coro->args = newAV ();
1197	coro->save = CORO_SAVE_DEF;	1433	coro->save = CORO_SAVE_DEF;
1198	coro->flags = CF_NEW;	1434	coro->flags = CF_NEW;
1199		1435
		1436	if (coro_first) coro_first->prev = coro;
		1437	coro->next = coro_first;
		1438	coro_first = coro;
		1439
1200	hv = newHV ();	1440	coro->hv = hv = newHV ();
1201	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1441	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));	1442	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1203		1443
1204	for (i = 1; i < items; i++)	1444	for (i = 1; i < items; i++)
1205	av_push (coro->args, newSVsv (ST (i)));	1445	av_push (coro->args, newSVsv (ST (i)));
…		…
1223	coro->save \|= save_also;	1463	coro->save \|= save_also;
1224	}	1464	}
1225	OUTPUT:	1465	OUTPUT:
1226	RETVAL	1466	RETVAL
1227		1467
		1468	# these not obviously related functions are all rolled into the same xs
		1469	# function to increase chances that they all will call transfer with the same
		1470	# stack offset
1228	void	1471	void
1229	_set_stacklevel (...)	1472	_set_stacklevel (...)
1230	ALIAS:	1473	ALIAS:
1231	Coro::State::transfer = 1	1474	Coro::State::transfer = 1
1232	Coro::schedule = 2	1475	Coro::schedule = 2
…		…
1307	CODE:	1550	CODE:
1308	RETVAL = cctx_idle;	1551	RETVAL = cctx_idle;
1309	OUTPUT:	1552	OUTPUT:
1310	RETVAL	1553	RETVAL
1311		1554
		1555	void
		1556	list ()
		1557	PPCODE:
		1558	{
		1559	struct coro *coro;
		1560	for (coro = coro_first; coro; coro = coro->next)
		1561	if (coro->hv)
		1562	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1563	}
		1564
		1565	void
		1566	call (Coro::State coro, SV *coderef)
		1567	ALIAS:
		1568	eval = 1
		1569	CODE:
		1570	{
		1571	if (coro->mainstack)
		1572	{
		1573	struct coro temp;
		1574	Zero (&temp, 1, struct coro);
		1575	temp.save = CORO_SAVE_ALL;
		1576
		1577	if (!(coro->flags & CF_RUNNING))
		1578	{
		1579	save_perl (aTHX_ &temp);
		1580	load_perl (aTHX_ coro);
		1581	}
		1582
		1583	{
		1584	dSP;
		1585	ENTER;
		1586	SAVETMPS;
		1587	PUSHMARK (SP);
		1588	PUTBACK;
		1589	if (ix)
		1590	eval_sv (coderef, 0);
		1591	else
		1592	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1593	SPAGAIN;
		1594	FREETMPS;
		1595	LEAVE;
		1596	PUTBACK;
		1597	}
		1598
		1599	if (!(coro->flags & CF_RUNNING))
		1600	{
		1601	save_perl (aTHX_ coro);
		1602	load_perl (aTHX_ &temp);
		1603	}
		1604	}
		1605	}
		1606
		1607	SV *
		1608	is_ready (Coro::State coro)
		1609	PROTOTYPE: $
		1610	ALIAS:
		1611	is_ready = CF_READY
		1612	is_running = CF_RUNNING
		1613	is_new = CF_NEW
		1614	is_destroyed = CF_DESTROYED
		1615	CODE:
		1616	RETVAL = boolSV (coro->flags & ix);
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620	void
		1621	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1622
		1623	SV *
		1624	has_stack (Coro::State coro)
		1625	PROTOTYPE: $
		1626	CODE:
		1627	RETVAL = boolSV (!!coro->cctx);
		1628	OUTPUT:
		1629	RETVAL
		1630
		1631	int
		1632	is_traced (Coro::State coro)
		1633	PROTOTYPE: $
		1634	CODE:
		1635	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1636	OUTPUT:
		1637	RETVAL
		1638
		1639	IV
		1640	rss (Coro::State coro)
		1641	PROTOTYPE: $
		1642	ALIAS:
		1643	usecount = 1
		1644	CODE:
		1645	switch (ix)
		1646	{
		1647	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1648	case 1: RETVAL = coro->usecount; break;
		1649	}
		1650	OUTPUT:
		1651	RETVAL
		1652
		1653
1312	MODULE = Coro::State PACKAGE = Coro	1654	MODULE = Coro::State PACKAGE = Coro
1313		1655
1314	BOOT:	1656	BOOT:
1315	{	1657	{
1316	int i;	1658	int i;
		1659
		1660	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1661	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1662	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1663
		1664	coro_current = get_sv ("Coro::current", FALSE);
		1665	SvREADONLY_on (coro_current);
1317		1666
1318	coro_stash = gv_stashpv ("Coro", TRUE);	1667	coro_stash = gv_stashpv ("Coro", TRUE);
1319		1668
1320	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1669	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1321	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1670	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1322	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1671	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1323	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1672	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1324	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1673	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1325	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1674	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1326
1327	coro_current = get_sv ("Coro::current", FALSE);
1328	SvREADONLY_on (coro_current);
1329		1675
1330	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1676	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1331	coro_ready[i] = newAV ();	1677	coro_ready[i] = newAV ();
1332		1678
1333	{	1679	{
…		…
1383	CODE:	1729	CODE:
1384	RETVAL = boolSV (api_ready (self));	1730	RETVAL = boolSV (api_ready (self));
1385	OUTPUT:	1731	OUTPUT:
1386	RETVAL	1732	RETVAL
1387		1733
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	1734	int
1397	nready (...)	1735	nready (...)
1398	PROTOTYPE:	1736	PROTOTYPE:
1399	CODE:	1737	CODE:
1400	RETVAL = coro_nready;	1738	RETVAL = coro_nready;
1401	OUTPUT:	1739	OUTPUT:
1402	RETVAL	1740	RETVAL
1403		1741
		1742	# for async_pool speedup
		1743	void
		1744	_pool_1 (SV *cb)
		1745	CODE:
		1746	{
		1747	int i, len;
		1748	HV hv = (HV )SvRV (coro_current);
		1749	AV *defav = GvAV (PL_defgv);
		1750	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1751	AV *invoke_av;
		1752
		1753	if (!invoke)
		1754	croak ("\3terminate\2\n");
		1755
		1756	hv_store (hv, "desc", sizeof ("desc") - 1,
		1757	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1758
		1759	invoke_av = (AV *)SvRV (invoke);
		1760	len = av_len (invoke_av);
		1761
		1762	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1763
		1764	if (len > 0)
		1765	{
		1766	av_fill (defav, len - 1);
		1767	for (i = 0; i < len; ++i)
		1768	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1769	}
		1770
		1771	SvREFCNT_dec (invoke);
		1772	}
		1773
		1774	void
		1775	_pool_2 (SV *cb)
		1776	CODE:
		1777	{
		1778	struct coro *coro = SvSTATE (coro_current);
		1779
		1780	sv_setsv (cb, &PL_sv_undef);
		1781
		1782	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
		1783	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1784	croak ("\3terminate\2\n");
		1785
		1786	av_clear (GvAV (PL_defgv));
		1787	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1788	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1789
		1790	coro->save = CORO_SAVE_DEF;
		1791	coro->prio = 0;
		1792
		1793	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1794	api_trace (coro_current, 0);
		1795
		1796	av_push (av_async_pool, newSVsv (coro_current));
		1797	}
		1798
		1799
1404	MODULE = Coro::State PACKAGE = Coro::AIO	1800	MODULE = Coro::State PACKAGE = Coro::AIO
1405		1801
1406	SV *	1802	SV *
1407	_get_state ()	1803	_get_state ()
1408	CODE:	1804	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 1.176 by root, Sun Sep 30 13:50:38 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 1.176 by root, Sun Sep 30 13:50:38 2007 UTC