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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 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
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
77	/* 5.8.7 */	104	/* 5.8.7 */
78	#ifndef SvRV_set	105	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
81
82	/* 5.8.8 */
83	#ifndef GV_NOTQUAL
84	# define GV_NOTQUAL 0
85	#endif
86	#ifndef newSV
87	# define newSV(l) NEWSV(0,l)
88	#endif	107	#endif
89		108
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
92	#endif	111	#endif
…		…
134	#endif	153	#endif
135		154
136	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
137	struct io_state	156	struct io_state
138	{	157	{
		158	AV *res;
139	int errorno;	159	int errorno;
140	I32 laststype;	160	I32 laststype;
141	int laststatval;	161	int laststatval;
142	Stat_t statcache;	162	Stat_t statcache;
143	};	163	};
144		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
145	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	171	static HV coro_state_stash, coro_stash;
150	static SV coro_mortal; / will be freed after next transfer */	172	static volatile SV coro_mortal; / will be freed after next transfer */
151		173
152	static GV irsgv; / $/ */	174	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	175	static GV stdoutgv; / STDOUT /
154		176	static SV *rv_diehook;
		177	static SV *rv_warnhook;
155	static HV hv_sig; / %SIG */	178	static HV hv_sig; / %SIG */
156	static SV *sv_diehook;
157	static SV *sv_warnhook;
158		179
159	/* async_pool helper stuff */	180	/* async_pool helper stuff */
160	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
161	static SV *sv_pool_size;	182	static SV *sv_pool_size;
162	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
163		187
164	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
165	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
166		190
167	enum {	191	enum {
…		…
253	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
254	#define PRIO_MIN -4	278	#define PRIO_MIN -4
255		279
256	/* for Coro.pm */	280	/* for Coro.pm */
257	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
258	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
259	static int coro_nready;	284	static int coro_nready;
260	static struct coro *coro_first;	285	static struct coro *coro_first;
261		286
262	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
263		288
264	static SV *	289	static SV *
265	coro_get_sv (const char *name, int create)	290	coro_get_sv (pTHX_ const char *name, int create)
266	{	291	{
267	#if PERL_VERSION_ATLEAST (5,9,0)	292	#if PERL_VERSION_ATLEAST (5,10,0)
268	/* 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 */
269	get_sv (name, create);	294	get_sv (name, create);
270	#endif	295	#endif
271	return get_sv (name, create);	296	return get_sv (name, create);
272	}	297	}
273		298
274	static AV *	299	static AV *
275	coro_get_av (const char *name, int create)	300	coro_get_av (pTHX_ const char *name, int create)
276	{	301	{
277	#if PERL_VERSION_ATLEAST (5,9,0)	302	#if PERL_VERSION_ATLEAST (5,10,0)
278	/* 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 */
279	get_av (name, create);	304	get_av (name, create);
280	#endif	305	#endif
281	return get_av (name, create);	306	return get_av (name, create);
282	}	307	}
283		308
284	static HV *	309	static HV *
285	coro_get_hv (const char *name, int create)	310	coro_get_hv (pTHX_ const char *name, int create)
286	{	311	{
287	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
288	/* 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 */
289	get_hv (name, create);	314	get_hv (name, create);
290	#endif	315	#endif
291	return get_hv (name, create);	316	return get_hv (name, create);
292	}	317	}
…		…
297	AV *padlist = CvPADLIST (cv);	322	AV *padlist = CvPADLIST (cv);
298	AV newpadlist, newpad;	323	AV newpadlist, newpad;
299		324
300	newpadlist = newAV ();	325	newpadlist = newAV ();
301	AvREAL_off (newpadlist);	326	AvREAL_off (newpadlist);
302	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
303	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304	#else	329	#else
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306	#endif	331	#endif
307	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
308	--AvFILLp (padlist);	333	--AvFILLp (padlist);
309		334
310	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
311	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
312		337
313	return newpadlist;	338	return newpadlist;
314	}	339	}
315		340
…		…
345		370
346	/* casting is fun. */	371	/* casting is fun. */
347	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
348	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
349		374
350	SvREFCNT_dec (av);	375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
351		376
352	return 0;	377	return 0;
353	}	378	}
354		379
355	#define PERL_MAGIC_coro PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
356		382
357	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	383	static MGVTBL coro_cv_vtbl = {
		384	0, 0, 0, 0,
		385	coro_cv_free
		386	};
358		387
359	#define CORO_MAGIC(cv) \	388	#define CORO_MAGIC(sv,type) \
360	SvMAGIC (cv) \	389	SvMAGIC (sv) \
361	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	390	? SvMAGIC (sv)->mg_type == type \
362	? SvMAGIC (cv) \	391	? SvMAGIC (sv) \
363	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	392	: mg_find (sv, type) \
364	: 0	393	: 0
		394
		395	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		396	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365		397
366	static struct coro *	398	static struct coro *
367	SvSTATE_ (pTHX_ SV *coro)	399	SvSTATE_ (pTHX_ SV *coro)
368	{	400	{
369	HV *stash;	401	HV *stash;
…		…
381	/* very slow, but rare, check */	413	/* very slow, but rare, check */
382	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	414	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383	croak ("Coro::State object required");	415	croak ("Coro::State object required");
384	}	416	}
385		417
386	mg = CORO_MAGIC (coro);	418	mg = CORO_MAGIC_state (coro);
387	return (struct coro *)mg->mg_ptr;	419	return (struct coro *)mg->mg_ptr;
388	}	420	}
389		421
390	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	422	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391		423
392	/* the next two functions merely cache the padlists */	424	/* the next two functions merely cache the padlists */
393	static void	425	static void
394	get_padlist (pTHX_ CV *cv)	426	get_padlist (pTHX_ CV *cv)
395	{	427	{
396	MAGIC *mg = CORO_MAGIC (cv);	428	MAGIC *mg = CORO_MAGIC_cv (cv);
397	AV *av;	429	AV *av;
398		430
399	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401	else	433	else
402	{	434	{
403	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
404	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
405	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
406	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
407	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
408	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
409	#else	442	#else
…		…
413	}	446	}
414		447
415	static void	448	static void
416	put_padlist (pTHX_ CV *cv)	449	put_padlist (pTHX_ CV *cv)
417	{	450	{
418	MAGIC *mg = CORO_MAGIC (cv);	451	MAGIC *mg = CORO_MAGIC_cv (cv);
419	AV *av;	452	AV *av;
420		453
421	if (expect_false (!mg))	454	if (expect_false (!mg))
422	{	455	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
423	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
424	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
425	mg->mg_virtual = &vtbl_coro;
426	mg->mg_obj = (SV *)newAV ();
427	}
428		456
429	av = (AV *)mg->mg_obj;	457	av = (AV *)mg->mg_obj;
430		458
431	if (expect_false (AvFILLp (av) >= AvMAX (av)))	459	if (expect_false (AvFILLp (av) >= AvMAX (av)))
432	av_extend (av, AvMAX (av) + 1);	460	av_extend (av, AvMAX (av) + 1);
…		…
450	GvSV (irsgv) = slot->irsgv;	478	GvSV (irsgv) = slot->irsgv;
451		479
452	#define VAR(name,type) PL_ ## name = slot->name;	480	#define VAR(name,type) PL_ ## name = slot->name;
453	# include "state.h"	481	# include "state.h"
454	#undef VAR	482	#undef VAR
455
456	/hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);/
457	/hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);/
458		483
459	{	484	{
460	dSP;	485	dSP;
461		486
462	CV *cv;	487	CV *cv;
…		…
501		526
502	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
503	{	528	{
504	EXTEND (SP, 3);	529	EXTEND (SP, 3);
505	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
506	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
507	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
508		533
509	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
510	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
511	}	536	}
…		…
591		616
592	New(54,PL_savestack,24,ANY);	617	New(54,PL_savestack,24,ANY);
593	PL_savestack_ix = 0;	618	PL_savestack_ix = 0;
594	PL_savestack_max = 24;	619	PL_savestack_max = 24;
595		620
596	#if !PERL_VERSION_ATLEAST (5,9,0)	621	#if !PERL_VERSION_ATLEAST (5,10,0)
597	New(54,PL_retstack,4,OP*);	622	New(54,PL_retstack,4,OP*);
598	PL_retstack_ix = 0;	623	PL_retstack_ix = 0;
599	PL_retstack_max = 4;	624	PL_retstack_max = 4;
600	#endif	625	#endif
601	}	626	}
…		…
624		649
625	Safefree (PL_tmps_stack);	650	Safefree (PL_tmps_stack);
626	Safefree (PL_markstack);	651	Safefree (PL_markstack);
627	Safefree (PL_scopestack);	652	Safefree (PL_scopestack);
628	Safefree (PL_savestack);	653	Safefree (PL_savestack);
629	#if !PERL_VERSION_ATLEAST (5,9,0)	654	#if !PERL_VERSION_ATLEAST (5,10,0)
630	Safefree (PL_retstack);	655	Safefree (PL_retstack);
631	#endif	656	#endif
632	}	657	}
633		658
634	static size_t	659	static size_t
…		…
650	#undef VAR	675	#undef VAR
651	}	676	}
652	else	677	else
653	slot = coro->slot;	678	slot = coro->slot;
654		679
		680	if (slot)
		681	{
655	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
657	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 *);
658	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
661	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
662		689
663	#if !PERL_VERSION_ATLEAST (5,9,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
664	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
665	#endif	692	#endif
		693	}
666	}	694	}
667		695
668	return rss;	696	return rss;
669	}	697	}
670		698
671	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
		700
		701	static int (orig_sigelem_get) (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
		711
		712	/*
		713	* This overrides the default magic get method of %SIG elements.
		714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		715	* and instead of tryign to save and restore the hash elements, we just provide
		716	* readback here.
		717	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		718	* not expecting this to actually change the hook. This is a potential problem
		719	* when a schedule happens then, but we ignore this.
		720	*/
		721	static int
		722	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		723	{
		724	const char *s = MgPV_nolen_const (mg);
		725
		726	if (*s == '_')
		727	{
		728	SV **svp = 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	}
		738	}
		739
		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;
		765	}
		766
		767	static int
		768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		769	{
		770	const char *s = MgPV_nolen_const (mg);
		771
		772	if (*s == '_')
		773	{
		774	SV **svp = 0;
		775
		776	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		777	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		778
		779	if (svp)
		780	{
		781	SV old = svp;
		782	*svp = newSVsv (sv);
		783	SvREFCNT_dec (old);
		784	return 0;
		785	}
		786	}
		787
		788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		789	}
672		790
673	static void	791	static void
674	coro_setup (pTHX_ struct coro *coro)	792	coro_setup (pTHX_ struct coro *coro)
675	{	793	{
676	/*	794	/*
…		…
685	PL_curpm = 0;	803	PL_curpm = 0;
686	PL_curpad = 0;	804	PL_curpad = 0;
687	PL_localizing = 0;	805	PL_localizing = 0;
688	PL_dirty = 0;	806	PL_dirty = 0;
689	PL_restartop = 0;	807	PL_restartop = 0;
		808	#if PERL_VERSION_ATLEAST (5,10,0)
		809	PL_parser = 0;
		810	#endif
		811
		812	/* recreate the die/warn hooks */
690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);	813	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
691	PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);	814	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692		815
693	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
694	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
695	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
696	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);
697	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
699		822
700	{	823	{
701	dSP;	824	dSP;
702	LOGOP myop;	825	LOGOP myop;
703		826
…		…
799	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
800	: bot;	923	: bot;
801		924
802	av_extend (av, top - bot);	925	av_extend (av, top - bot);
803	while (bot < top)	926	while (bot < top)
804	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
805		928
806	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
807	ENTER;	930	ENTER;
808	SAVETMPS;	931	SAVETMPS;
809	EXTEND (SP, 3);	932	EXTEND (SP, 3);
…		…
847	SAVETMPS;	970	SAVETMPS;
848	EXTEND (SP, 3);	971	EXTEND (SP, 3);
849	PUSHMARK (SP);	972	PUSHMARK (SP);
850	PUSHs (&PL_sv_yes);	973	PUSHs (&PL_sv_yes);
851	PUSHs (fullname);	974	PUSHs (fullname);
852	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	975	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853	PUTBACK;	976	PUTBACK;
854	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	977	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
855	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	978	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
856	SPAGAIN;	979	SPAGAIN;
857	FREETMPS;	980	FREETMPS;
…		…
1073	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");
1074		1197
1075	if (expect_false (next->flags & CF_DESTROYED))	1198	if (expect_false (next->flags & CF_DESTROYED))
1076	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");
1077		1200
1078	if (
1079	#if PERL_VERSION_ATLEAST (5,9,0)	1201	#if !PERL_VERSION_ATLEAST (5,10,0)
1080	expect_false (PL_parser)
1081	#else
1082	expect_false (PL_lex_state != LEX_NOTPARSING)	1202	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083	#endif
1084	)
1085	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
1086	}	1205	}
1087	}	1206	}
1088		1207
1089	/* always use the TRANSFER macro */	1208	/* always use the TRANSFER macro */
1090	static void NOINLINE	1209	static void NOINLINE
1091	transfer (pTHX_ struct coro prev, struct coro next)	1210	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1092	{	1211	{
1093	dSTACKLEVEL;	1212	dSTACKLEVEL;
		1213	static volatile int has_throw;
1094		1214
1095	/* sometimes transfer is only called to set idle_sp */	1215	/* sometimes transfer is only called to set idle_sp */
1096	if (expect_false (!next))	1216	if (expect_false (!next))
1097	{	1217	{
1098	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1218	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1113	prev->flags &= ~CF_RUNNING;	1233	prev->flags &= ~CF_RUNNING;
1114	next->flags \|= CF_RUNNING;	1234	next->flags \|= CF_RUNNING;
1115		1235
1116	LOCK;	1236	LOCK;
1117		1237
		1238	/* first get rid of the old state */
		1239	save_perl (aTHX_ prev);
		1240
1118	if (expect_false (next->flags & CF_NEW))	1241	if (expect_false (next->flags & CF_NEW))
1119	{	1242	{
1120	/* need to start coroutine */	1243	/* need to start coroutine */
1121	next->flags &= ~CF_NEW;	1244	next->flags &= ~CF_NEW;
1122	/* first get rid of the old state */
1123	save_perl (aTHX_ prev);
1124	/* setup coroutine call */	1245	/* setup coroutine call */
1125	coro_setup (aTHX_ next);	1246	coro_setup (aTHX_ next);
1126	}	1247	}
1127	else	1248	else
1128	{
1129	/* coroutine already started */
1130	save_perl (aTHX_ prev);
1131	load_perl (aTHX_ next);	1249	load_perl (aTHX_ next);
1132	}
1133		1250
1134	prev__cctx = prev->cctx;	1251	prev__cctx = prev->cctx;
1135		1252
1136	/* possibly "free" the cctx */	1253	/* possibly "free" the cctx */
1137	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	))
1138	{	1259	{
1139	/* 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 */
1140	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));
1141		1262
1142	prev->cctx = 0;	1263	prev->cctx = 0;
…		…
1152		1273
1153	++next->usecount;	1274	++next->usecount;
1154		1275
1155	if (expect_true (!next->cctx))	1276	if (expect_true (!next->cctx))
1156	next->cctx = cctx_get (aTHX);	1277	next->cctx = cctx_get (aTHX);
		1278
		1279	has_throw = !!next->throw;
1157		1280
1158	if (expect_false (prev__cctx != next->cctx))	1281	if (expect_false (prev__cctx != next->cctx))
1159	{	1282	{
1160	prev__cctx->top_env = PL_top_env;	1283	prev__cctx->top_env = PL_top_env;
1161	PL_top_env = next->cctx->top_env;	1284	PL_top_env = next->cctx->top_env;
…		…
1163	}	1286	}
1164		1287
1165	free_coro_mortal (aTHX);	1288	free_coro_mortal (aTHX);
1166	UNLOCK;	1289	UNLOCK;
1167		1290
1168	if (expect_false (prev->throw \|\| next->throw))	1291	if (expect_false (has_throw))
1169	{	1292	{
1170	struct coro *coro = SvSTATE (coro_current);	1293	struct coro *coro = SvSTATE (coro_current);
1171		1294
1172	if (coro->throw)	1295	if (coro->throw)
1173	{	1296	{
…		…
1183	struct transfer_args	1306	struct transfer_args
1184	{	1307	{
1185	struct coro prev, next;	1308	struct coro prev, next;
1186	};	1309	};
1187		1310
1188	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1311	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1189	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1312	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190		1313
1191	/ high level stuff ******************************************************/	1314	/ high level stuff ******************************************************/
1192		1315
1193	static int	1316	static int
…		…
1287	{	1410	{
1288	dTHX;	1411	dTHX;
1289	struct transfer_args ta;	1412	struct transfer_args ta;
1290		1413
1291	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1414	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292	TRANSFER (ta);	1415	TRANSFER (ta, 1);
1293	}	1416	}
1294		1417
1295	/ Coro ******************************************************************/	1418	/ Coro ******************************************************************/
1296		1419
1297	static void	1420	static void
…		…
1299	{	1422	{
1300	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1423	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301	}	1424	}
1302		1425
1303	static SV *	1426	static SV *
1304	coro_deq (pTHX_ int min_prio)	1427	coro_deq (pTHX)
1305	{	1428	{
1306	int prio = PRIO_MAX - PRIO_MIN;	1429	int prio;
1307		1430
1308	min_prio -= PRIO_MIN;
1309	if (min_prio < 0)
1310	min_prio = 0;
1311
1312	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1431	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313	if (AvFILLp (coro_ready [prio]) >= 0)	1432	if (AvFILLp (coro_ready [prio]) >= 0)
1314	return av_shift (coro_ready [prio]);	1433	return av_shift (coro_ready [prio]);
1315		1434
1316	return 0;	1435	return 0;
1317	}	1436	}
…		…
1319	static int	1438	static int
1320	api_ready (SV *coro_sv)	1439	api_ready (SV *coro_sv)
1321	{	1440	{
1322	dTHX;	1441	dTHX;
1323	struct coro *coro;	1442	struct coro *coro;
		1443	SV *sv_hook;
		1444	void (*xs_hook)(void);
1324		1445
1325	if (SvROK (coro_sv))	1446	if (SvROK (coro_sv))
1326	coro_sv = SvRV (coro_sv);	1447	coro_sv = SvRV (coro_sv);
1327		1448
1328	coro = SvSTATE (coro_sv);	1449	coro = SvSTATE (coro_sv);
…		…
1331	return 0;	1452	return 0;
1332		1453
1333	coro->flags \|= CF_READY;	1454	coro->flags \|= CF_READY;
1334		1455
1335	LOCK;	1456	LOCK;
		1457
		1458	sv_hook = coro_nready ? 0 : coro_readyhook;
		1459	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1460
1336	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1461	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1337	++coro_nready;	1462	++coro_nready;
		1463
1338	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 ();
1339		1484
1340	return 1;	1485	return 1;
1341	}	1486	}
1342		1487
1343	static int	1488	static int
…		…
1353	SV prev_sv, next_sv;	1498	SV prev_sv, next_sv;
1354		1499
1355	for (;;)	1500	for (;;)
1356	{	1501	{
1357	LOCK;	1502	LOCK;
1358	next_sv = coro_deq (aTHX_ PRIO_MIN);	1503	next_sv = coro_deq (aTHX);
1359		1504
1360	/* nothing to schedule: call the idle handler */	1505	/* nothing to schedule: call the idle handler */
1361	if (expect_false (!next_sv))	1506	if (expect_false (!next_sv))
1362	{	1507	{
1363	dSP;	1508	dSP;
…		…
1367	SAVETMPS;	1512	SAVETMPS;
1368		1513
1369	PUSHMARK (SP);	1514	PUSHMARK (SP);
1370	PUTBACK;	1515	PUTBACK;
1371	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1516	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1517	SPAGAIN;
1372		1518
1373	FREETMPS;	1519	FREETMPS;
1374	LEAVE;	1520	LEAVE;
1375	continue;	1521	continue;
1376	}	1522	}
…		…
1431	{	1577	{
1432	dTHX;	1578	dTHX;
1433	struct transfer_args ta;	1579	struct transfer_args ta;
1434		1580
1435	prepare_schedule (aTHX_ &ta);	1581	prepare_schedule (aTHX_ &ta);
1436	TRANSFER (ta);	1582	TRANSFER (ta, 1);
1437	}	1583	}
1438		1584
1439	static int	1585	static int
1440	api_cede (void)	1586	api_cede (void)
1441	{	1587	{
…		…
1444		1590
1445	prepare_cede (aTHX_ &ta);	1591	prepare_cede (aTHX_ &ta);
1446		1592
1447	if (expect_true (ta.prev != ta.next))	1593	if (expect_true (ta.prev != ta.next))
1448	{	1594	{
1449	TRANSFER (ta);	1595	TRANSFER (ta, 1);
1450	return 1;	1596	return 1;
1451	}	1597	}
1452	else	1598	else
1453	return 0;	1599	return 0;
1454	}	1600	}
…		…
1459	dTHX;	1605	dTHX;
1460	struct transfer_args ta;	1606	struct transfer_args ta;
1461		1607
1462	if (prepare_cede_notself (aTHX_ &ta))	1608	if (prepare_cede_notself (aTHX_ &ta))
1463	{	1609	{
1464	TRANSFER (ta);	1610	TRANSFER (ta, 1);
1465	return 1;	1611	return 1;
1466	}	1612	}
1467	else	1613	else
1468	return 0;	1614	return 0;
1469	}	1615	}
…		…
1492	else	1638	else
1493	coro->slot->runops = RUNOPS_DEFAULT;	1639	coro->slot->runops = RUNOPS_DEFAULT;
1494	}	1640	}
1495	}	1641	}
1496		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
1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1735	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1498		1736
1499	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1500		1738
1501	BOOT:	1739	BOOT:
…		…
1506	BOOT_PAGESIZE;	1744	BOOT_PAGESIZE;
1507		1745
1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1746	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1747	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1510		1748
		1749	orig_sigelem_get = PL_vtbl_sigelem.svt_get; 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;
		1751	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1752
1511	hv_sig = coro_get_hv ("SIG", TRUE);	1753	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1754	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1755	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1514
1515	if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
1516	if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1517		1756
1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1757	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519		1758
1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1759	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1760	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1526	main_top_env = PL_top_env;	1765	main_top_env = PL_top_env;
1527		1766
1528	while (main_top_env->je_prev)	1767	while (main_top_env->je_prev)
1529	main_top_env = main_top_env->je_prev;	1768	main_top_env = main_top_env->je_prev;
1530		1769
1531	coroapi.ver = CORO_API_VERSION;	1770	coroapi.ver = CORO_API_VERSION;
1532	coroapi.rev = CORO_API_REVISION;	1771	coroapi.rev = CORO_API_REVISION;
1533	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	}
1534		1782
1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1783	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1536	}	1784	}
1537		1785
1538	SV *	1786	SV *
1539	new (char *klass, ...)	1787	new (char *klass, ...)
1540	CODE:	1788	CODE:
1541	{	1789	{
1542	struct coro *coro;	1790	struct coro *coro;
		1791	MAGIC *mg;
1543	HV *hv;	1792	HV *hv;
1544	int i;	1793	int i;
1545		1794
1546	Newz (0, coro, 1, struct coro);	1795	Newz (0, coro, 1, struct coro);
1547	coro->args = newAV ();	1796	coro->args = newAV ();
…		…
1550	if (coro_first) coro_first->prev = coro;	1799	if (coro_first) coro_first->prev = coro;
1551	coro->next = coro_first;	1800	coro->next = coro_first;
1552	coro_first = coro;	1801	coro_first = coro;
1553		1802
1554	coro->hv = hv = newHV ();	1803	coro->hv = hv = newHV ();
1555	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1804	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1805	mg->mg_flags \|= MGf_DUP;
1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1806	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557		1807
1558	av_extend (coro->args, items - 1);	1808	av_extend (coro->args, items - 1);
1559	for (i = 1; i < items; i++)	1809	for (i = 1; i < items; i++)
1560	av_push (coro->args, newSVsv (ST (i)));	1810	av_push (coro->args, newSVsv (ST (i)));
…		…
1574	Coro::cede_notself = 4	1824	Coro::cede_notself = 4
1575	CODE:	1825	CODE:
1576	{	1826	{
1577	struct transfer_args ta;	1827	struct transfer_args ta;
1578		1828
		1829	PUTBACK;
1579	switch (ix)	1830	switch (ix)
1580	{	1831	{
1581	case 0:	1832	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1833	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1834	ta.next = 0;
…		…
1602	if (!prepare_cede_notself (aTHX_ &ta))	1853	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1854	XSRETURN_EMPTY;
1604		1855
1605	break;	1856	break;
1606	}	1857	}
		1858	SPAGAIN;
1607		1859
1608	BARRIER;	1860	BARRIER;
1609	PUTBACK;	1861	PUTBACK;
1610	TRANSFER (ta);	1862	TRANSFER (ta, 0);
1611	SPAGAIN; /* might be the sp of a different coroutine now */	1863	SPAGAIN; /* might be the sp of a different coroutine now */
1612	/* be extra careful not to ever do anything after TRANSFER */	1864	/* be extra careful not to ever do anything after TRANSFER */
1613	}	1865	}
1614		1866
1615	bool	1867	bool
…		…
1618	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1870	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1619	OUTPUT:	1871	OUTPUT:
1620	RETVAL	1872	RETVAL
1621		1873
1622	void	1874	void
1623	_exit (code)	1875	_exit (int code)
1624	int code
1625	PROTOTYPE: $	1876	PROTOTYPE: $
1626	CODE:	1877	CODE:
1627	_exit (code);	1878	_exit (code);
1628		1879
1629	int	1880	int
…		…
1663	call (Coro::State coro, SV *coderef)	1914	call (Coro::State coro, SV *coderef)
1664	ALIAS:	1915	ALIAS:
1665	eval = 1	1916	eval = 1
1666	CODE:	1917	CODE:
1667	{	1918	{
1668	if (coro->mainstack)	1919	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1669	{	1920	{
1670	struct coro temp;	1921	struct coro temp;
1671		1922
1672	if (!(coro->flags & CF_RUNNING))	1923	if (!(coro->flags & CF_RUNNING))
1673	{	1924	{
		1925	PUTBACK;
1674	save_perl (aTHX_ &temp);	1926	save_perl (aTHX_ &temp);
1675	load_perl (aTHX_ coro);	1927	load_perl (aTHX_ coro);
1676	}	1928	}
1677		1929
1678	{	1930	{
…		…
1697		1949
1698	if (!(coro->flags & CF_RUNNING))	1950	if (!(coro->flags & CF_RUNNING))
1699	{	1951	{
1700	save_perl (aTHX_ coro);	1952	save_perl (aTHX_ coro);
1701	load_perl (aTHX_ &temp);	1953	load_perl (aTHX_ &temp);
		1954	SPAGAIN;
1702	}	1955	}
1703	}	1956	}
1704	}	1957	}
1705		1958
1706	SV *	1959	SV *
…		…
1718		1971
1719	void	1972	void
1720	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1973	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1721		1974
1722	SV *	1975	SV *
1723	has_stack (Coro::State coro)	1976	has_cctx (Coro::State coro)
1724	PROTOTYPE: $	1977	PROTOTYPE: $
1725	CODE:	1978	CODE:
1726	RETVAL = boolSV (!!coro->cctx);	1979	RETVAL = boolSV (!!coro->cctx);
1727	OUTPUT:	1980	OUTPUT:
1728	RETVAL	1981	RETVAL
…		…
1747	case 1: RETVAL = coro->usecount; break;	2000	case 1: RETVAL = coro->usecount; break;
1748	}	2001	}
1749	OUTPUT:	2002	OUTPUT:
1750	RETVAL	2003	RETVAL
1751		2004
		2005	void
		2006	force_cctx ()
		2007	CODE:
		2008	struct coro *coro = SvSTATE (coro_current);
		2009	coro->cctx->idle_sp = 0;
		2010
		2011	void
		2012	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2013	PROTOTYPE: $;$
		2014	CODE:
		2015	SvREFCNT_dec (self->throw);
		2016	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2017
		2018	void
		2019	swap_defsv (Coro::State self)
		2020	PROTOTYPE: $
		2021	ALIAS:
		2022	swap_defav = 1
		2023	CODE:
		2024	if (!self->slot)
		2025	croak ("cannot swap state with coroutine that has no saved state");
		2026	else
		2027	{
		2028	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2029	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2030
		2031	SV tmp = src; src = dst; *dst = tmp;
		2032	}
1752		2033
1753	MODULE = Coro::State PACKAGE = Coro	2034	MODULE = Coro::State PACKAGE = Coro
1754		2035
1755	BOOT:	2036	BOOT:
1756	{	2037	{
1757	int i;	2038	int i;
1758		2039
1759	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1760	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1761	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	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);
1762		2043
1763	coro_current = coro_get_sv ("Coro::current", FALSE);	2044	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1764	SvREADONLY_on (coro_current);	2045	SvREADONLY_on (coro_current);
1765		2046
1766	coro_stash = gv_stashpv ("Coro", TRUE);	2047	coro_stash = gv_stashpv ("Coro", TRUE);
1767		2048
1768	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2049	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1796	void	2077	void
1797	_set_current (SV *current)	2078	_set_current (SV *current)
1798	PROTOTYPE: $	2079	PROTOTYPE: $
1799	CODE:	2080	CODE:
1800	SvREFCNT_dec (SvRV (coro_current));	2081	SvREFCNT_dec (SvRV (coro_current));
1801	SvRV_set (coro_current, SvREFCNT_inc (SvRV (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;
1802		2092
1803	int	2093	int
1804	prio (Coro::State coro, int newprio = 0)	2094	prio (Coro::State coro, int newprio = 0)
1805	ALIAS:	2095	ALIAS:
1806	nice = 1	2096	nice = 1
…		…
1836	CODE:	2126	CODE:
1837	RETVAL = coro_nready;	2127	RETVAL = coro_nready;
1838	OUTPUT:	2128	OUTPUT:
1839	RETVAL	2129	RETVAL
1840		2130
1841	void
1842	throw (Coro::State self, SV *throw = &PL_sv_undef)
1843	PROTOTYPE: $;$
1844	CODE:
1845	SvREFCNT_dec (self->throw);
1846	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1847
1848	# for async_pool speedup	2131	# for async_pool speedup
1849	void	2132	void
1850	_pool_1 (SV *cb)	2133	_pool_1 (SV *cb)
1851	CODE:	2134	CODE:
1852	{	2135	{
…		…
1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2139	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857	AV *invoke_av;	2140	AV *invoke_av;
1858	int i, len;	2141	int i, len;
1859		2142
1860	if (!invoke)	2143	if (!invoke)
		2144	{
		2145	SV *old = PL_diehook;
		2146	PL_diehook = 0;
		2147	SvREFCNT_dec (old);
1861	croak ("\3async_pool terminate\2\n");	2148	croak ("\3async_pool terminate\2\n");
		2149	}
1862		2150
1863	SvREFCNT_dec (coro->saved_deffh);	2151	SvREFCNT_dec (coro->saved_deffh);
1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2152	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1865		2153
1866	hv_store (hv, "desc", sizeof ("desc") - 1,	2154	hv_store (hv, "desc", sizeof ("desc") - 1,
1867	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2155	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1868		2156
1869	invoke_av = (AV *)SvRV (invoke);	2157	invoke_av = (AV *)SvRV (invoke);
…		…
1873		2161
1874	if (len > 0)	2162	if (len > 0)
1875	{	2163	{
1876	av_fill (defav, len - 1);	2164	av_fill (defav, len - 1);
1877	for (i = 0; i < len; ++i)	2165	for (i = 0; i < len; ++i)
1878	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2166	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1879	}	2167	}
1880		2168
1881	SvREFCNT_dec (invoke);	2169	SvREFCNT_dec (invoke);
1882	}	2170	}
1883		2171
…		…
1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2180	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1893	coro->saved_deffh = 0;	2181	coro->saved_deffh = 0;
1894		2182
1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2183	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2184	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2185	{
		2186	SV *old = PL_diehook;
		2187	PL_diehook = 0;
		2188	SvREFCNT_dec (old);
1897	croak ("\3async_pool terminate\2\n");	2189	croak ("\3async_pool terminate\2\n");
		2190	}
1898		2191
1899	av_clear (GvAV (PL_defgv));	2192	av_clear (GvAV (PL_defgv));
1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2193	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2194	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902		2195
…		…
1906	api_trace (coro_current, 0);	2199	api_trace (coro_current, 0);
1907		2200
1908	av_push (av_async_pool, newSVsv (coro_current));	2201	av_push (av_async_pool, newSVsv (coro_current));
1909	}	2202	}
1910		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
1911		2252
1912	MODULE = Coro::State PACKAGE = Coro::AIO	2253	MODULE = Coro::State PACKAGE = Coro::AIO
1913		2254
1914	SV *	2255	void
1915	_get_state ()	2256	_get_state (SV *self)
1916	CODE:	2257	PPCODE:
1917	{	2258	{
1918	struct io_state *data;	2259	AV *defav = GvAV (PL_defgv);
1919		2260	AV *av = newAV ();
		2261	int i;
1920	RETVAL = newSV (sizeof (struct io_state));	2262	SV *data_sv = newSV (sizeof (struct io_state));
1921	data = (struct io_state *)SvPVX (RETVAL);	2263	struct io_state data = (struct io_state )SvPVX (data_sv);
1922	SvCUR_set (RETVAL, sizeof (struct io_state));	2264	SvCUR_set (data_sv, sizeof (struct io_state));
1923	SvPOK_only (RETVAL);	2265	SvPOK_only (data_sv);
1924		2266
1925	data->errorno = errno;	2267	data->errorno = errno;
1926	data->laststype = PL_laststype;	2268	data->laststype = PL_laststype;
1927	data->laststatval = PL_laststatval;	2269	data->laststatval = PL_laststatval;
1928	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);
1929	}	2282	}
1930	OUTPUT:
1931	RETVAL
1932		2283
1933	void	2284	void
1934	_set_state (char *data_)	2285	_set_state (SV *state)
1935	PROTOTYPE: $	2286	PROTOTYPE: $
1936	CODE:	2287	PPCODE:
1937	{	2288	{
1938	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;
1939		2292
1940	errno = data->errorno;	2293	errno = data->errorno;
1941	PL_laststype = data->laststype;	2294	PL_laststype = data->laststype;
1942	PL_laststatval = data->laststatval;	2295	PL_laststatval = data->laststatval;
1943	PL_statcache = data->statcache;	2296	PL_statcache = data->statcache;
1944	}
1945		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 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs. Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs.
Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC