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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.226 by root, Fri Apr 4 20:07:35 2008 UTC vs.
Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
139	#endif	153	#endif
140		154
141	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
142	struct io_state	156	struct io_state
143	{	157	{
		158	AV *res;
144	int errorno;	159	int errorno;
145	I32 laststype;	160	I32 laststype;
146	int laststatval;	161	int laststatval;
147	Stat_t statcache;	162	Stat_t statcache;
148	};	163	};
		164
		165	static double (nvtime)(); / so why doesn't it take void? */
149		166
150	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
…		…
162		179
163	/* async_pool helper stuff */	180	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	182	static SV *sv_pool_size;
166	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
167		187
168	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
170		190
171	enum {	191	enum {
…		…
257	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	278	#define PRIO_MIN -4
259		279
260	/* for Coro.pm */	280	/* for Coro.pm */
261	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
263	static int coro_nready;	284	static int coro_nready;
264	static struct coro *coro_first;	285	static struct coro *coro_first;
265		286
266	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
267		288
268	static SV *	289	static SV *
269	coro_get_sv (pTHX_ const char *name, int create)	290	coro_get_sv (pTHX_ const char *name, int create)
270	{	291	{
271	#if PERL_VERSION_ATLEAST (5,9,0)	292	#if PERL_VERSION_ATLEAST (5,10,0)
272	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	293	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
273	get_sv (name, create);	294	get_sv (name, create);
274	#endif	295	#endif
275	return get_sv (name, create);	296	return get_sv (name, create);
276	}	297	}
277		298
278	static AV *	299	static AV *
279	coro_get_av (pTHX_ const char *name, int create)	300	coro_get_av (pTHX_ const char *name, int create)
280	{	301	{
281	#if PERL_VERSION_ATLEAST (5,9,0)	302	#if PERL_VERSION_ATLEAST (5,10,0)
282	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	303	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
283	get_av (name, create);	304	get_av (name, create);
284	#endif	305	#endif
285	return get_av (name, create);	306	return get_av (name, create);
286	}	307	}
287		308
288	static HV *	309	static HV *
289	coro_get_hv (pTHX_ const char *name, int create)	310	coro_get_hv (pTHX_ const char *name, int create)
290	{	311	{
291	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
292	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	313	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
293	get_hv (name, create);	314	get_hv (name, create);
294	#endif	315	#endif
295	return get_hv (name, create);	316	return get_hv (name, create);
296	}	317	}
…		…
301	AV *padlist = CvPADLIST (cv);	322	AV *padlist = CvPADLIST (cv);
302	AV newpadlist, newpad;	323	AV newpadlist, newpad;
303		324
304	newpadlist = newAV ();	325	newpadlist = newAV ();
305	AvREAL_off (newpadlist);	326	AvREAL_off (newpadlist);
306	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
308	#else	329	#else
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	331	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	333	--AvFILLp (padlist);
313		334
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
316		337
317	return newpadlist;	338	return newpadlist;
318	}	339	}
319		340
…		…
349		370
350	/* casting is fun. */	371	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
353		374
		375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		376
354	return 0;	377	return 0;
355	}	378	}
356		379
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	433	else
411	{	434	{
412	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
418	#else	442	#else
…		…
502		526
503	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
504	{	528	{
505	EXTEND (SP, 3);	529	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
509		533
510	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
512	}	536	}
…		…
592		616
593	New(54,PL_savestack,24,ANY);	617	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	618	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	619	PL_savestack_max = 24;
596		620
597	#if !PERL_VERSION_ATLEAST (5,9,0)	621	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	622	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	623	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	624	PL_retstack_max = 4;
601	#endif	625	#endif
602	}	626	}
…		…
625		649
626	Safefree (PL_tmps_stack);	650	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	651	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	652	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	653	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	654	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	655	Safefree (PL_retstack);
632	#endif	656	#endif
633	}	657	}
634		658
635	static size_t	659	static size_t
…		…
651	#undef VAR	675	#undef VAR
652	}	676	}
653	else	677	else
654	slot = coro->slot;	678	slot = coro->slot;
655		679
		680	if (slot)
		681	{
656	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	684	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
663		689
664	#if !PERL_VERSION_ATLEAST (5,9,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
666	#endif	692	#endif
		693	}
667	}	694	}
668		695
669	return rss;	696	return rss;
670	}	697	}
671		698
672	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
673		700
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	701	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	702	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		703	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		704
		705	/* apparently < 5.8.8 */
		706	#ifndef MgPV_nolen_const
		707	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		708	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		709	(const char*)(mg)->mg_ptr)
		710	#endif
676		711
677	/*	712	/*
678	* This overrides the default magic get method of %SIG elements.	713	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	715	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	723	{
689	const char *s = MgPV_nolen_const (mg);	724	const char *s = MgPV_nolen_const (mg);
690		725
691	if (*s == '_')	726	if (*s == '_')
692	{	727	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	728	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	729
		730	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		731	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		732
		733	if (svp)
		734	{
		735	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		736	return 0;
		737	}
695	}	738	}
696		739
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	740	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		741	}
		742
		743	static int
		744	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		745	{
		746	const char *s = MgPV_nolen_const (mg);
		747
		748	if (*s == '_')
		749	{
		750	SV **svp = 0;
		751
		752	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		753	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		754
		755	if (svp)
		756	{
		757	SV old = svp;
		758	*svp = 0;
		759	SvREFCNT_dec (old);
		760	return 0;
		761	}
		762	}
		763
		764	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	765	}
699		766
700	static int	767	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	769	{
…		…
712	if (svp)	779	if (svp)
713	{	780	{
714	SV old = svp;	781	SV old = svp;
715	*svp = newSVsv (sv);	782	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	783	SvREFCNT_dec (old);
717	return;	784	return 0;
718	}	785	}
719	}	786	}
720		787
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	789	}
…		…
736	PL_curpm = 0;	803	PL_curpm = 0;
737	PL_curpad = 0;	804	PL_curpad = 0;
738	PL_localizing = 0;	805	PL_localizing = 0;
739	PL_dirty = 0;	806	PL_dirty = 0;
740	PL_restartop = 0;	807	PL_restartop = 0;
		808	#if PERL_VERSION_ATLEAST (5,10,0)
		809	PL_parser = 0;
		810	#endif
741		811
742	/* recreate the die/warn hooks */	812	/* recreate the die/warn hooks */
743	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	813	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
744	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	814	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
745		815
746	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
747	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
748	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
749	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	819	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
750	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
751	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
752		822
753	{	823	{
754	dSP;	824	dSP;
755	LOGOP myop;	825	LOGOP myop;
756		826
…		…
852	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
853	: bot;	923	: bot;
854		924
855	av_extend (av, top - bot);	925	av_extend (av, top - bot);
856	while (bot < top)	926	while (bot < top)
857	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
858		928
859	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
860	ENTER;	930	ENTER;
861	SAVETMPS;	931	SAVETMPS;
862	EXTEND (SP, 3);	932	EXTEND (SP, 3);
…		…
1126	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1196	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127		1197
1128	if (expect_false (next->flags & CF_DESTROYED))	1198	if (expect_false (next->flags & CF_DESTROYED))
1129	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1199	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130		1200
1131	if (
1132	#if PERL_VERSION_ATLEAST (5,9,0)	1201	#if !PERL_VERSION_ATLEAST (5,10,0)
1133	expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
1134	#else
1135	expect_false (PL_lex_state != LEX_NOTPARSING)	1202	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	#endif
1137	)
1138	croak ("Coro::State::transfer called while parsing, but this is not supported");	1203	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1204	#endif
1139	}	1205	}
1140	}	1206	}
1141		1207
1142	/* always use the TRANSFER macro */	1208	/* always use the TRANSFER macro */
1143	static void NOINLINE	1209	static void NOINLINE
1144	transfer (pTHX_ struct coro prev, struct coro next)	1210	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1145	{	1211	{
1146	dSTACKLEVEL;	1212	dSTACKLEVEL;
1147	static volatile int has_throw;	1213	static volatile int has_throw;
1148		1214
1149	/* sometimes transfer is only called to set idle_sp */	1215	/* sometimes transfer is only called to set idle_sp */
…		…
1183	load_perl (aTHX_ next);	1249	load_perl (aTHX_ next);
1184		1250
1185	prev__cctx = prev->cctx;	1251	prev__cctx = prev->cctx;
1186		1252
1187	/* possibly "free" the cctx */	1253	/* possibly "free" the cctx */
1188	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1254	if (expect_true (
		1255	prev__cctx->idle_sp == STACKLEVEL
		1256	&& !(prev__cctx->flags & CC_TRACE)
		1257	&& !force_cctx
		1258	))
1189	{	1259	{
1190	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1260	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1191	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1261	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192		1262
1193	prev->cctx = 0;	1263	prev->cctx = 0;
…		…
1236	struct transfer_args	1306	struct transfer_args
1237	{	1307	{
1238	struct coro prev, next;	1308	struct coro prev, next;
1239	};	1309	};
1240		1310
1241	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1311	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1242	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1312	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243		1313
1244	/ high level stuff ******************************************************/	1314	/ high level stuff ******************************************************/
1245		1315
1246	static int	1316	static int
…		…
1340	{	1410	{
1341	dTHX;	1411	dTHX;
1342	struct transfer_args ta;	1412	struct transfer_args ta;
1343		1413
1344	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1414	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345	TRANSFER (ta);	1415	TRANSFER (ta, 1);
1346	}	1416	}
1347		1417
1348	/ Coro ******************************************************************/	1418	/ Coro ******************************************************************/
1349		1419
1350	static void	1420	static void
…		…
1368	static int	1438	static int
1369	api_ready (SV *coro_sv)	1439	api_ready (SV *coro_sv)
1370	{	1440	{
1371	dTHX;	1441	dTHX;
1372	struct coro *coro;	1442	struct coro *coro;
		1443	SV *sv_hook;
		1444	void (*xs_hook)(void);
1373		1445
1374	if (SvROK (coro_sv))	1446	if (SvROK (coro_sv))
1375	coro_sv = SvRV (coro_sv);	1447	coro_sv = SvRV (coro_sv);
1376		1448
1377	coro = SvSTATE (coro_sv);	1449	coro = SvSTATE (coro_sv);
…		…
1380	return 0;	1452	return 0;
1381		1453
1382	coro->flags \|= CF_READY;	1454	coro->flags \|= CF_READY;
1383		1455
1384	LOCK;	1456	LOCK;
		1457
		1458	sv_hook = coro_nready ? 0 : coro_readyhook;
		1459	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1460
1385	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1461	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1386	++coro_nready;	1462	++coro_nready;
		1463
1387	UNLOCK;	1464	UNLOCK;
		1465
		1466	if (sv_hook)
		1467	{
		1468	dSP;
		1469
		1470	ENTER;
		1471	SAVETMPS;
		1472
		1473	PUSHMARK (SP);
		1474	PUTBACK;
		1475	call_sv (sv_hook, G_DISCARD);
		1476	SPAGAIN;
		1477
		1478	FREETMPS;
		1479	LEAVE;
		1480	}
		1481
		1482	if (xs_hook)
		1483	xs_hook ();
1388		1484
1389	return 1;	1485	return 1;
1390	}	1486	}
1391		1487
1392	static int	1488	static int
…		…
1481	{	1577	{
1482	dTHX;	1578	dTHX;
1483	struct transfer_args ta;	1579	struct transfer_args ta;
1484		1580
1485	prepare_schedule (aTHX_ &ta);	1581	prepare_schedule (aTHX_ &ta);
1486	TRANSFER (ta);	1582	TRANSFER (ta, 1);
1487	}	1583	}
1488		1584
1489	static int	1585	static int
1490	api_cede (void)	1586	api_cede (void)
1491	{	1587	{
…		…
1494		1590
1495	prepare_cede (aTHX_ &ta);	1591	prepare_cede (aTHX_ &ta);
1496		1592
1497	if (expect_true (ta.prev != ta.next))	1593	if (expect_true (ta.prev != ta.next))
1498	{	1594	{
1499	TRANSFER (ta);	1595	TRANSFER (ta, 1);
1500	return 1;	1596	return 1;
1501	}	1597	}
1502	else	1598	else
1503	return 0;	1599	return 0;
1504	}	1600	}
…		…
1509	dTHX;	1605	dTHX;
1510	struct transfer_args ta;	1606	struct transfer_args ta;
1511		1607
1512	if (prepare_cede_notself (aTHX_ &ta))	1608	if (prepare_cede_notself (aTHX_ &ta))
1513	{	1609	{
1514	TRANSFER (ta);	1610	TRANSFER (ta, 1);
1515	return 1;	1611	return 1;
1516	}	1612	}
1517	else	1613	else
1518	return 0;	1614	return 0;
1519	}	1615	}
…		…
1542	else	1638	else
1543	coro->slot->runops = RUNOPS_DEFAULT;	1639	coro->slot->runops = RUNOPS_DEFAULT;
1544	}	1640	}
1545	}	1641	}
1546		1642
		1643	static int
		1644	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1645	{
		1646	AV *padlist;
		1647	AV av = (AV )mg->mg_obj;
		1648
		1649	abort ();
		1650
		1651	return 0;
		1652	}
		1653
		1654	static MGVTBL coro_gensub_vtbl = {
		1655	0, 0, 0, 0,
		1656	coro_gensub_free
		1657	};
		1658
		1659	/*****************************************************************************/
		1660	/* PerlIO::cede */
		1661
		1662	typedef struct
		1663	{
		1664	PerlIOBuf base;
		1665	NV next, every;
		1666	} PerlIOCede;
		1667
		1668	static IV
		1669	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1670	{
		1671	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1672
		1673	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1674	self->next = nvtime () + self->every;
		1675
		1676	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1677	}
		1678
		1679	static SV *
		1680	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1681	{
		1682	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1683
		1684	return newSVnv (self->every);
		1685	}
		1686
		1687	static IV
		1688	PerlIOCede_flush (pTHX_ PerlIO *f)
		1689	{
		1690	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1691	double now = nvtime ();
		1692
		1693	if (now >= self->next)
		1694	{
		1695	api_cede ();
		1696	self->next = now + self->every;
		1697	}
		1698
		1699	return PerlIOBuf_flush (aTHX_ f);
		1700	}
		1701
		1702	static PerlIO_funcs PerlIO_cede =
		1703	{
		1704	sizeof(PerlIO_funcs),
		1705	"cede",
		1706	sizeof(PerlIOCede),
		1707	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1708	PerlIOCede_pushed,
		1709	PerlIOBuf_popped,
		1710	PerlIOBuf_open,
		1711	PerlIOBase_binmode,
		1712	PerlIOCede_getarg,
		1713	PerlIOBase_fileno,
		1714	PerlIOBuf_dup,
		1715	PerlIOBuf_read,
		1716	PerlIOBuf_unread,
		1717	PerlIOBuf_write,
		1718	PerlIOBuf_seek,
		1719	PerlIOBuf_tell,
		1720	PerlIOBuf_close,
		1721	PerlIOCede_flush,
		1722	PerlIOBuf_fill,
		1723	PerlIOBase_eof,
		1724	PerlIOBase_error,
		1725	PerlIOBase_clearerr,
		1726	PerlIOBase_setlinebuf,
		1727	PerlIOBuf_get_base,
		1728	PerlIOBuf_bufsiz,
		1729	PerlIOBuf_get_ptr,
		1730	PerlIOBuf_get_cnt,
		1731	PerlIOBuf_set_ptrcnt,
		1732	};
		1733
		1734
1547	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1735	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548		1736
1549	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1550		1738
1551	BOOT:	1739	BOOT:
…		…
1556	BOOT_PAGESIZE;	1744	BOOT_PAGESIZE;
1557		1745
1558	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1746	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1747	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1560		1748
1561	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1749	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1562	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1750	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1563	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1751	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1564	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1565		1752
1566	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1753	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1754	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1568	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1755	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569		1756
…		…
1578	main_top_env = PL_top_env;	1765	main_top_env = PL_top_env;
1579		1766
1580	while (main_top_env->je_prev)	1767	while (main_top_env->je_prev)
1581	main_top_env = main_top_env->je_prev;	1768	main_top_env = main_top_env->je_prev;
1582		1769
1583	coroapi.ver = CORO_API_VERSION;	1770	coroapi.ver = CORO_API_VERSION;
1584	coroapi.rev = CORO_API_REVISION;	1771	coroapi.rev = CORO_API_REVISION;
1585	coroapi.transfer = api_transfer;	1772	coroapi.transfer = api_transfer;
		1773
		1774	{
		1775	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1776
		1777	if (!svp) croak ("Time::HiRes is required");
		1778	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1779
		1780	nvtime = INT2PTR (double ()(), SvIV (svp));
		1781	}
1586		1782
1587	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1783	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588	}	1784	}
1589		1785
1590	SV *	1786	SV *
…		…
1661	}	1857	}
1662	SPAGAIN;	1858	SPAGAIN;
1663		1859
1664	BARRIER;	1860	BARRIER;
1665	PUTBACK;	1861	PUTBACK;
1666	TRANSFER (ta);	1862	TRANSFER (ta, 0);
1667	SPAGAIN; /* might be the sp of a different coroutine now */	1863	SPAGAIN; /* might be the sp of a different coroutine now */
1668	/* be extra careful not to ever do anything after TRANSFER */	1864	/* be extra careful not to ever do anything after TRANSFER */
1669	}	1865	}
1670		1866
1671	bool	1867	bool
…		…
1674	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1870	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675	OUTPUT:	1871	OUTPUT:
1676	RETVAL	1872	RETVAL
1677		1873
1678	void	1874	void
1679	_exit (code)	1875	_exit (int code)
1680	int code
1681	PROTOTYPE: $	1876	PROTOTYPE: $
1682	CODE:	1877	CODE:
1683	_exit (code);	1878	_exit (code);
1684		1879
1685	int	1880	int
…		…
1719	call (Coro::State coro, SV *coderef)	1914	call (Coro::State coro, SV *coderef)
1720	ALIAS:	1915	ALIAS:
1721	eval = 1	1916	eval = 1
1722	CODE:	1917	CODE:
1723	{	1918	{
1724	if (coro->mainstack)	1919	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1725	{	1920	{
1726	struct coro temp;	1921	struct coro temp;
1727		1922
1728	if (!(coro->flags & CF_RUNNING))	1923	if (!(coro->flags & CF_RUNNING))
1729	{	1924	{
…		…
1776		1971
1777	void	1972	void
1778	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1973	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1779		1974
1780	SV *	1975	SV *
1781	has_stack (Coro::State coro)	1976	has_cctx (Coro::State coro)
1782	PROTOTYPE: $	1977	PROTOTYPE: $
1783	CODE:	1978	CODE:
1784	RETVAL = boolSV (!!coro->cctx);	1979	RETVAL = boolSV (!!coro->cctx);
1785	OUTPUT:	1980	OUTPUT:
1786	RETVAL	1981	RETVAL
…		…
1811	force_cctx ()	2006	force_cctx ()
1812	CODE:	2007	CODE:
1813	struct coro *coro = SvSTATE (coro_current);	2008	struct coro *coro = SvSTATE (coro_current);
1814	coro->cctx->idle_sp = 0;	2009	coro->cctx->idle_sp = 0;
1815		2010
1816	MODULE = Coro::State PACKAGE = Coro
1817
1818	BOOT:
1819	{
1820	int i;
1821
1822	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1823	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1824	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1825
1826	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1827	SvREADONLY_on (coro_current);
1828
1829	coro_stash = gv_stashpv ("Coro", TRUE);
1830
1831	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1832	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1833	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1834	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1835	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1836	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1837
1838	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1839	coro_ready[i] = newAV ();
1840
1841	{
1842	SV *sv = perl_get_sv ("Coro::API", TRUE);
1843	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1844
1845	coroapi.schedule = api_schedule;
1846	coroapi.cede = api_cede;
1847	coroapi.cede_notself = api_cede_notself;
1848	coroapi.ready = api_ready;
1849	coroapi.is_ready = api_is_ready;
1850	coroapi.nready = &coro_nready;
1851	coroapi.current = coro_current;
1852
1853	GCoroAPI = &coroapi;
1854	sv_setiv (sv, (IV)&coroapi);
1855	SvREADONLY_on (sv);
1856	}
1857	}
1858
1859	void
1860	_set_current (SV *current)
1861	PROTOTYPE: $
1862	CODE:
1863	SvREFCNT_dec (SvRV (coro_current));
1864	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1865
1866	int
1867	prio (Coro::State coro, int newprio = 0)
1868	ALIAS:
1869	nice = 1
1870	CODE:
1871	{
1872	RETVAL = coro->prio;
1873
1874	if (items > 1)
1875	{
1876	if (ix)
1877	newprio = coro->prio - newprio;
1878
1879	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1880	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1881
1882	coro->prio = newprio;
1883	}
1884	}
1885	OUTPUT:
1886	RETVAL
1887
1888	SV *
1889	ready (SV *self)
1890	PROTOTYPE: $
1891	CODE:
1892	RETVAL = boolSV (api_ready (self));
1893	OUTPUT:
1894	RETVAL
1895
1896	int
1897	nready (...)
1898	PROTOTYPE:
1899	CODE:
1900	RETVAL = coro_nready;
1901	OUTPUT:
1902	RETVAL
1903
1904	void	2011	void
1905	throw (Coro::State self, SV *throw = &PL_sv_undef)	2012	throw (Coro::State self, SV *throw = &PL_sv_undef)
1906	PROTOTYPE: $;$	2013	PROTOTYPE: $;$
1907	CODE:	2014	CODE:
1908	SvREFCNT_dec (self->throw);	2015	SvREFCNT_dec (self->throw);
…		…
1922	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2029	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1923		2030
1924	SV tmp = src; src = dst; *dst = tmp;	2031	SV tmp = src; src = dst; *dst = tmp;
1925	}	2032	}
1926		2033
		2034	MODULE = Coro::State PACKAGE = Coro
		2035
		2036	BOOT:
		2037	{
		2038	int i;
		2039
		2040	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2041	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2042	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2043
		2044	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2045	SvREADONLY_on (coro_current);
		2046
		2047	coro_stash = gv_stashpv ("Coro", TRUE);
		2048
		2049	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2050	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2051	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2052	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2053	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2054	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2055
		2056	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2057	coro_ready[i] = newAV ();
		2058
		2059	{
		2060	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2061	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2062
		2063	coroapi.schedule = api_schedule;
		2064	coroapi.cede = api_cede;
		2065	coroapi.cede_notself = api_cede_notself;
		2066	coroapi.ready = api_ready;
		2067	coroapi.is_ready = api_is_ready;
		2068	coroapi.nready = &coro_nready;
		2069	coroapi.current = coro_current;
		2070
		2071	GCoroAPI = &coroapi;
		2072	sv_setiv (sv, (IV)&coroapi);
		2073	SvREADONLY_on (sv);
		2074	}
		2075	}
		2076
		2077	void
		2078	_set_current (SV *current)
		2079	PROTOTYPE: $
		2080	CODE:
		2081	SvREFCNT_dec (SvRV (coro_current));
		2082	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2083
		2084	void
		2085	_set_readyhook (SV *hook)
		2086	PROTOTYPE: $
		2087	CODE:
		2088	LOCK;
		2089	SvREFCNT_dec (coro_readyhook);
		2090	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2091	UNLOCK;
		2092
		2093	int
		2094	prio (Coro::State coro, int newprio = 0)
		2095	ALIAS:
		2096	nice = 1
		2097	CODE:
		2098	{
		2099	RETVAL = coro->prio;
		2100
		2101	if (items > 1)
		2102	{
		2103	if (ix)
		2104	newprio = coro->prio - newprio;
		2105
		2106	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2107	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2108
		2109	coro->prio = newprio;
		2110	}
		2111	}
		2112	OUTPUT:
		2113	RETVAL
		2114
		2115	SV *
		2116	ready (SV *self)
		2117	PROTOTYPE: $
		2118	CODE:
		2119	RETVAL = boolSV (api_ready (self));
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int
		2124	nready (...)
		2125	PROTOTYPE:
		2126	CODE:
		2127	RETVAL = coro_nready;
		2128	OUTPUT:
		2129	RETVAL
		2130
1927	# for async_pool speedup	2131	# for async_pool speedup
1928	void	2132	void
1929	_pool_1 (SV *cb)	2133	_pool_1 (SV *cb)
1930	CODE:	2134	CODE:
1931	{	2135	{
…		…
1936	AV *invoke_av;	2140	AV *invoke_av;
1937	int i, len;	2141	int i, len;
1938		2142
1939	if (!invoke)	2143	if (!invoke)
1940	{	2144	{
1941	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2145	SV *old = PL_diehook;
		2146	PL_diehook = 0;
		2147	SvREFCNT_dec (old);
1942	croak ("\3async_pool terminate\2\n");	2148	croak ("\3async_pool terminate\2\n");
1943	}	2149	}
1944		2150
1945	SvREFCNT_dec (coro->saved_deffh);	2151	SvREFCNT_dec (coro->saved_deffh);
1946	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2152	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1947		2153
1948	hv_store (hv, "desc", sizeof ("desc") - 1,	2154	hv_store (hv, "desc", sizeof ("desc") - 1,
1949	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2155	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1950		2156
1951	invoke_av = (AV *)SvRV (invoke);	2157	invoke_av = (AV *)SvRV (invoke);
…		…
1955		2161
1956	if (len > 0)	2162	if (len > 0)
1957	{	2163	{
1958	av_fill (defav, len - 1);	2164	av_fill (defav, len - 1);
1959	for (i = 0; i < len; ++i)	2165	for (i = 0; i < len; ++i)
1960	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2166	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1961	}	2167	}
1962		2168
1963	SvREFCNT_dec (invoke);	2169	SvREFCNT_dec (invoke);
1964	}	2170	}
1965		2171
…		…
1975	coro->saved_deffh = 0;	2181	coro->saved_deffh = 0;
1976		2182
1977	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2183	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1978	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2184	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1979	{	2185	{
1980	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2186	SV *old = PL_diehook;
		2187	PL_diehook = 0;
		2188	SvREFCNT_dec (old);
1981	croak ("\3async_pool terminate\2\n");	2189	croak ("\3async_pool terminate\2\n");
1982	}	2190	}
1983		2191
1984	av_clear (GvAV (PL_defgv));	2192	av_clear (GvAV (PL_defgv));
1985	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2193	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1991	api_trace (coro_current, 0);	2199	api_trace (coro_current, 0);
1992		2200
1993	av_push (av_async_pool, newSVsv (coro_current));	2201	av_push (av_async_pool, newSVsv (coro_current));
1994	}	2202	}
1995		2203
		2204	#if 0
		2205
		2206	void
		2207	_generator_call (...)
		2208	PROTOTYPE: @
		2209	PPCODE:
		2210	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2211	xxxx
		2212	abort ();
		2213
		2214	SV *
		2215	gensub (SV *sub, ...)
		2216	PROTOTYPE: &;@
		2217	CODE:
		2218	{
		2219	struct coro *coro;
		2220	MAGIC *mg;
		2221	CV *xcv;
		2222	CV ncv = (CV )newSV_type (SVt_PVCV);
		2223	int i;
		2224
		2225	CvGV (ncv) = CvGV (cv);
		2226	CvFILE (ncv) = CvFILE (cv);
		2227
		2228	Newz (0, coro, 1, struct coro);
		2229	coro->args = newAV ();
		2230	coro->flags = CF_NEW;
		2231
		2232	av_extend (coro->args, items - 1);
		2233	for (i = 1; i < items; i++)
		2234	av_push (coro->args, newSVsv (ST (i)));
		2235
		2236	CvISXSUB_on (ncv);
		2237	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2238
		2239	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2240
		2241	CvXSUB (ncv) = CvXSUB (xcv);
		2242	CvANON_on (ncv);
		2243
		2244	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2245	RETVAL = newRV_noinc ((SV *)ncv);
		2246	}
		2247	OUTPUT:
		2248	RETVAL
		2249
		2250	#endif
		2251
1996		2252
1997	MODULE = Coro::State PACKAGE = Coro::AIO	2253	MODULE = Coro::State PACKAGE = Coro::AIO
1998		2254
1999	SV *	2255	void
2000	_get_state ()	2256	_get_state (SV *self)
2001	CODE:	2257	PPCODE:
2002	{	2258	{
2003	struct io_state *data;	2259	AV *defav = GvAV (PL_defgv);
2004		2260	AV *av = newAV ();
		2261	int i;
2005	RETVAL = newSV (sizeof (struct io_state));	2262	SV *data_sv = newSV (sizeof (struct io_state));
2006	data = (struct io_state *)SvPVX (RETVAL);	2263	struct io_state data = (struct io_state )SvPVX (data_sv);
2007	SvCUR_set (RETVAL, sizeof (struct io_state));	2264	SvCUR_set (data_sv, sizeof (struct io_state));
2008	SvPOK_only (RETVAL);	2265	SvPOK_only (data_sv);
2009		2266
2010	data->errorno = errno;	2267	data->errorno = errno;
2011	data->laststype = PL_laststype;	2268	data->laststype = PL_laststype;
2012	data->laststatval = PL_laststatval;	2269	data->laststatval = PL_laststatval;
2013	data->statcache = PL_statcache;	2270	data->statcache = PL_statcache;
		2271
		2272	av_extend (av, AvFILLp (defav) + 1 + 1);
		2273
		2274	for (i = 0; i <= AvFILLp (defav); ++i)
		2275	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2276
		2277	av_push (av, data_sv);
		2278
		2279	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2280
		2281	api_ready (self);
2014	}	2282	}
2015	OUTPUT:
2016	RETVAL
2017		2283
2018	void	2284	void
2019	_set_state (char *data_)	2285	_set_state (SV *state)
2020	PROTOTYPE: $	2286	PROTOTYPE: $
2021	CODE:	2287	PPCODE:
2022	{	2288	{
2023	struct io_state data = (void )data_;	2289	AV av = (AV )SvRV (state);
		2290	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2291	int i;
2024		2292
2025	errno = data->errorno;	2293	errno = data->errorno;
2026	PL_laststype = data->laststype;	2294	PL_laststype = data->laststype;
2027	PL_laststatval = data->laststatval;	2295	PL_laststatval = data->laststatval;
2028	PL_statcache = data->statcache;	2296	PL_statcache = data->statcache;
2029	}
2030		2297
		2298	EXTEND (SP, AvFILLp (av));
		2299	for (i = 0; i < AvFILLp (av); ++i)
		2300	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2301	}
		2302
		2303
		2304	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2305
		2306	BOOT:
		2307	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2308
		2309	SV *
		2310	_schedule (...)
		2311	PROTOTYPE: @
		2312	CODE:
		2313	{
		2314	static int incede;
		2315
		2316	api_cede_notself ();
		2317
		2318	++incede;
		2319	while (coro_nready >= incede && api_cede ())
		2320	;
		2321
		2322	sv_setsv (sv_activity, &PL_sv_undef);
		2323	if (coro_nready >= incede)
		2324	{
		2325	PUSHMARK (SP);
		2326	PUTBACK;
		2327	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2328	SPAGAIN;
		2329	}
		2330
		2331	--incede;
		2332	}
		2333
		2334
		2335	MODULE = Coro::State PACKAGE = PerlIO::cede
		2336
		2337	BOOT:
		2338	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.226 by root, Fri Apr 4 20:07:35 2008 UTC vs. Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.226 by root, Fri Apr 4 20:07:35 2008 UTC vs.
Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC