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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC vs.
Revision 1.249 by root, Tue Sep 30 17:12:35 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
		23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
15		25
16	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
17	# include <unistd.h>	27	# include <unistd.h>
18	# include <sys/mman.h>	28	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
73	# endif	83	# endif
74	#endif	84	#endif
75		85
		86	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93
		94	/* 5.11 */
		95	#ifndef CxHASARGS
		96	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		97	#endif
		98
76	/* 5.8.7 */	99	/* 5.8.7 */
77	#ifndef SvRV_set	100	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
79	#endif
80
81	/* 5.8.8 */
82	#ifndef GV_NOTQUAL
83	# define GV_NOTQUAL 0
84	#endif
85	#ifndef newSV
86	# define newSV(l) NEWSV(0,l)
87	#endif	102	#endif
88		103
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
91	#endif	106	#endif
…		…
130	#else	145	#else
131	# define LOCK (void)0	146	# define LOCK (void)0
132	# define UNLOCK (void)0	147	# define UNLOCK (void)0
133	#endif	148	#endif
134		149
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	150	/* helper storage struct for Coro::AIO */
138	struct io_state	151	struct io_state
139	{	152	{
		153	AV *res;
140	int errorno;	154	int errorno;
141	I32 laststype;	155	I32 laststype;
142	int laststatval;	156	int laststatval;
143	Stat_t statcache;	157	Stat_t statcache;
144	};	158	};
145		159
		160	static double (nvtime)(); / so why doesn't it take void? */
		161
146	static size_t coro_stacksize = CORO_STACKSIZE;	162	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	163	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	164	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	165	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	166	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	167	static volatile SV coro_mortal; / will be freed after next transfer */
152		168
153	static GV irsgv; / $/ */	169	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	170	static GV stdoutgv; / STDOUT /
155		171	static SV *rv_diehook;
		172	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	173	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		174
160	/* async_pool helper stuff */	175	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	176	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	177	static SV *sv_pool_size;
163	static AV *av_async_pool;	178	static AV *av_async_pool;
		179
		180	/* Coro::AnyEvent */
		181	static SV *sv_activity;
164		182
165	static struct coro_cctx *cctx_first;	183	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	184	static int cctx_count, cctx_idle;
167		185
168	enum {	186	enum {
…		…
254	#define PRIO_IDLE -3	272	#define PRIO_IDLE -3
255	#define PRIO_MIN -4	273	#define PRIO_MIN -4
256		274
257	/* for Coro.pm */	275	/* for Coro.pm */
258	static SV *coro_current;	276	static SV *coro_current;
		277	static SV *coro_readyhook;
259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	278	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
260	static int coro_nready;	279	static int coro_nready;
261	static struct coro *coro_first;	280	static struct coro *coro_first;
262		281
263	/ lowlevel stuff ********************************************************/	282	/ lowlevel stuff ********************************************************/
264		283
265	static SV *	284	static SV *
266	coro_get_sv (const char *name, int create)	285	coro_get_sv (pTHX_ const char *name, int create)
267	{	286	{
268	#if PERL_VERSION_ATLEAST (5,9,0)	287	#if PERL_VERSION_ATLEAST (5,10,0)
269	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
270	get_sv (name, create);	289	get_sv (name, create);
271	#endif	290	#endif
272	return get_sv (name, create);	291	return get_sv (name, create);
273	}	292	}
274		293
275	static AV *	294	static AV *
276	coro_get_av (const char *name, int create)	295	coro_get_av (pTHX_ const char *name, int create)
277	{	296	{
278	#if PERL_VERSION_ATLEAST (5,9,0)	297	#if PERL_VERSION_ATLEAST (5,10,0)
279	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	298	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
280	get_av (name, create);	299	get_av (name, create);
281	#endif	300	#endif
282	return get_av (name, create);	301	return get_av (name, create);
283	}	302	}
284		303
285	static HV *	304	static HV *
286	coro_get_hv (const char *name, int create)	305	coro_get_hv (pTHX_ const char *name, int create)
287	{	306	{
288	#if PERL_VERSION_ATLEAST (5,9,0)	307	#if PERL_VERSION_ATLEAST (5,10,0)
289	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	308	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
290	get_hv (name, create);	309	get_hv (name, create);
291	#endif	310	#endif
292	return get_hv (name, create);	311	return get_hv (name, create);
293	}	312	}
…		…
298	AV *padlist = CvPADLIST (cv);	317	AV *padlist = CvPADLIST (cv);
299	AV newpadlist, newpad;	318	AV newpadlist, newpad;
300		319
301	newpadlist = newAV ();	320	newpadlist = newAV ();
302	AvREAL_off (newpadlist);	321	AvREAL_off (newpadlist);
303	#if PERL_VERSION_ATLEAST (5,9,0)	322	#if PERL_VERSION_ATLEAST (5,10,0)
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	323	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
305	#else	324	#else
306	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	325	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
307	#endif	326	#endif
308	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	327	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
309	--AvFILLp (padlist);	328	--AvFILLp (padlist);
310		329
311	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	330	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
312	av_store (newpadlist, 1, (SV *)newpad);	331	av_store (newpadlist, 1, (SV *)newpad);
313		332
314	return newpadlist;	333	return newpadlist;
315	}	334	}
316		335
…		…
346		365
347	/* casting is fun. */	366	/* casting is fun. */
348	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	367	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
349	free_padlist (aTHX_ padlist);	368	free_padlist (aTHX_ padlist);
350		369
351	SvREFCNT_dec (av);	370	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
352		371
353	return 0;	372	return 0;
354	}	373	}
355		374
356	#define PERL_MAGIC_coro PERL_MAGIC_ext	375	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		376	#define CORO_MAGIC_type_state PERL_MAGIC_ext
357		377
358	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	378	static MGVTBL coro_cv_vtbl = {
		379	0, 0, 0, 0,
		380	coro_cv_free
		381	};
359		382
360	#define CORO_MAGIC(cv) \	383	#define CORO_MAGIC(sv,type) \
361	SvMAGIC (cv) \	384	SvMAGIC (sv) \
362	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	385	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (cv) \	386	? SvMAGIC (sv) \
364	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	387	: mg_find (sv, type) \
365	: 0	388	: 0
		389
		390	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		391	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
366		392
367	static struct coro *	393	static struct coro *
368	SvSTATE_ (pTHX_ SV *coro)	394	SvSTATE_ (pTHX_ SV *coro)
369	{	395	{
370	HV *stash;	396	HV *stash;
…		…
382	/* very slow, but rare, check */	408	/* very slow, but rare, check */
383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	409	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
384	croak ("Coro::State object required");	410	croak ("Coro::State object required");
385	}	411	}
386		412
387	mg = CORO_MAGIC (coro);	413	mg = CORO_MAGIC_state (coro);
388	return (struct coro *)mg->mg_ptr;	414	return (struct coro *)mg->mg_ptr;
389	}	415	}
390		416
391	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	417	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
392		418
393	/* the next two functions merely cache the padlists */	419	/* the next two functions merely cache the padlists */
394	static void	420	static void
395	get_padlist (pTHX_ CV *cv)	421	get_padlist (pTHX_ CV *cv)
396	{	422	{
397	MAGIC *mg = CORO_MAGIC (cv);	423	MAGIC *mg = CORO_MAGIC_cv (cv);
398	AV *av;	424	AV *av;
399		425
400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	426	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	427	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
402	else	428	else
403	{	429	{
404	#if CORO_PREFER_PERL_FUNCTIONS	430	#if CORO_PREFER_PERL_FUNCTIONS
405	/* this is probably cleaner, but also slower? */	431	/* this is probably cleaner? but also slower! */
		432	/* in practise, it seems to be less stable */
406	CV *cp = Perl_cv_clone (cv);	433	CV *cp = Perl_cv_clone (cv);
407	CvPADLIST (cv) = CvPADLIST (cp);	434	CvPADLIST (cv) = CvPADLIST (cp);
408	CvPADLIST (cp) = 0;	435	CvPADLIST (cp) = 0;
409	SvREFCNT_dec (cp);	436	SvREFCNT_dec (cp);
410	#else	437	#else
…		…
414	}	441	}
415		442
416	static void	443	static void
417	put_padlist (pTHX_ CV *cv)	444	put_padlist (pTHX_ CV *cv)
418	{	445	{
419	MAGIC *mg = CORO_MAGIC (cv);	446	MAGIC *mg = CORO_MAGIC_cv (cv);
420	AV *av;	447	AV *av;
421		448
422	if (expect_false (!mg))	449	if (expect_false (!mg))
423	{	450	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
426	mg->mg_virtual = &vtbl_coro;
427	mg->mg_obj = (SV *)newAV ();
428	}
429		451
430	av = (AV *)mg->mg_obj;	452	av = (AV *)mg->mg_obj;
431		453
432	if (expect_false (AvFILLp (av) >= AvMAX (av)))	454	if (expect_false (AvFILLp (av) >= AvMAX (av)))
433	av_extend (av, AvMAX (av) + 1);	455	av_extend (av, AvMAX (av) + 1);
…		…
451	GvSV (irsgv) = slot->irsgv;	473	GvSV (irsgv) = slot->irsgv;
452		474
453	#define VAR(name,type) PL_ ## name = slot->name;	475	#define VAR(name,type) PL_ ## name = slot->name;
454	# include "state.h"	476	# include "state.h"
455	#undef VAR	477	#undef VAR
456
457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
459		478
460	{	479	{
461	dSP;	480	dSP;
462		481
463	CV *cv;	482	CV *cv;
…		…
502		521
503	if (expect_true (CvDEPTH (cv)))	522	if (expect_true (CvDEPTH (cv)))
504	{	523	{
505	EXTEND (SP, 3);	524	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	525	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	526	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	527	PUSHs ((SV *)cv);
509		528
510	CvDEPTH (cv) = 0;	529	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	530	get_padlist (aTHX_ cv);
512	}	531	}
…		…
592		611
593	New(54,PL_savestack,24,ANY);	612	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	613	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	614	PL_savestack_max = 24;
596		615
597	#if !PERL_VERSION_ATLEAST (5,9,0)	616	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	617	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	618	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	619	PL_retstack_max = 4;
601	#endif	620	#endif
602	}	621	}
…		…
625		644
626	Safefree (PL_tmps_stack);	645	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	646	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	647	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	648	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	649	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	650	Safefree (PL_retstack);
632	#endif	651	#endif
633	}	652	}
634		653
635	static size_t	654	static size_t
…		…
651	#undef VAR	670	#undef VAR
652	}	671	}
653	else	672	else
654	slot = coro->slot;	673	slot = coro->slot;
655		674
		675	if (slot)
		676	{
656	rss += sizeof (slot->curstackinfo);	677	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	678	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	679	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	680	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	681	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	682	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	683	rss += slot->savestack_max * sizeof (ANY);
663		684
664	#if !PERL_VERSION_ATLEAST (5,9,0)	685	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	686	rss += slot->retstack_max * sizeof (OP *);
666	#endif	687	#endif
		688	}
667	}	689	}
668		690
669	return rss;	691	return rss;
670	}	692	}
671		693
672	/ coroutine stack handling **********************************************/	694	/ coroutine stack handling **********************************************/
		695
		696	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		697	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		698	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		699
		700	/* apparently < 5.8.8 */
		701	#ifndef MgPV_nolen_const
		702	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		703	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		704	(const char*)(mg)->mg_ptr)
		705	#endif
		706
		707	/*
		708	* This overrides the default magic get method of %SIG elements.
		709	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		710	* and instead of tryign to save and restore the hash elements, we just provide
		711	* readback here.
		712	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		713	* not expecting this to actually change the hook. This is a potential problem
		714	* when a schedule happens then, but we ignore this.
		715	*/
		716	static int
		717	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		718	{
		719	const char *s = MgPV_nolen_const (mg);
		720
		721	if (*s == '_')
		722	{
		723	SV **svp = 0;
		724
		725	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		726	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		727
		728	if (svp)
		729	{
		730	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		731	return 0;
		732	}
		733	}
		734
		735	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		736	}
		737
		738	static int
		739	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		740	{
		741	const char *s = MgPV_nolen_const (mg);
		742
		743	if (*s == '_')
		744	{
		745	SV **svp = 0;
		746
		747	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		748	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		749
		750	if (svp)
		751	{
		752	SV old = svp;
		753	*svp = 0;
		754	SvREFCNT_dec (old);
		755	return 0;
		756	}
		757	}
		758
		759	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		760	}
		761
		762	static int
		763	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		764	{
		765	const char *s = MgPV_nolen_const (mg);
		766
		767	if (*s == '_')
		768	{
		769	SV **svp = 0;
		770
		771	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		772	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		773
		774	if (svp)
		775	{
		776	SV old = svp;
		777	*svp = newSVsv (sv);
		778	SvREFCNT_dec (old);
		779	return 0;
		780	}
		781	}
		782
		783	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		784	}
673		785
674	static void	786	static void
675	coro_setup (pTHX_ struct coro *coro)	787	coro_setup (pTHX_ struct coro *coro)
676	{	788	{
677	/*	789	/*
…		…
686	PL_curpm = 0;	798	PL_curpm = 0;
687	PL_curpad = 0;	799	PL_curpad = 0;
688	PL_localizing = 0;	800	PL_localizing = 0;
689	PL_dirty = 0;	801	PL_dirty = 0;
690	PL_restartop = 0;	802	PL_restartop = 0;
691	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	803	#if PERL_VERSION_ATLEAST (5,10,0)
692	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	804	PL_parser = 0;
		805	#endif
		806
		807	/* recreate the die/warn hooks */
		808	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		809	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
693		810
694	GvSV (PL_defgv) = newSV (0);	811	GvSV (PL_defgv) = newSV (0);
695	GvAV (PL_defgv) = coro->args; coro->args = 0;	812	GvAV (PL_defgv) = coro->args; coro->args = 0;
696	GvSV (PL_errgv) = newSV (0);	813	GvSV (PL_errgv) = newSV (0);
697	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	814	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
698	PL_rs = newSVsv (GvSV (irsgv));	815	PL_rs = newSVsv (GvSV (irsgv));
699	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	816	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
700		817
701	{	818	{
702	dSP;	819	dSP;
703	LOGOP myop;	820	LOGOP myop;
704		821
…		…
712	PL_op = (OP *)&myop;	829	PL_op = (OP *)&myop;
713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	830	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714	SPAGAIN;	831	SPAGAIN;
715	}	832	}
716		833
717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	834	/* this newly created coroutine might be run on an existing cctx which most
		835	* likely was suspended in set_stacklevel, called from entersub.
		836	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		837	* so we ENTER here for symmetry
		838	*/
		839	ENTER;
718	}	840	}
719		841
720	static void	842	static void
721	coro_destroy (pTHX_ struct coro *coro)	843	coro_destroy (pTHX_ struct coro *coro)
722	{	844	{
…		…
795	: cx->blk_gimme == G_SCALAR ? bot + 1	917	: cx->blk_gimme == G_SCALAR ? bot + 1
796	: bot;	918	: bot;
797		919
798	av_extend (av, top - bot);	920	av_extend (av, top - bot);
799	while (bot < top)	921	while (bot < top)
800	av_push (av, SvREFCNT_inc (*bot++));	922	av_push (av, SvREFCNT_inc_NN (*bot++));
801		923
802	PL_runops = RUNOPS_DEFAULT;	924	PL_runops = RUNOPS_DEFAULT;
803	ENTER;	925	ENTER;
804	SAVETMPS;	926	SAVETMPS;
805	EXTEND (SP, 3);	927	EXTEND (SP, 3);
806	PUSHMARK (SP);	928	PUSHMARK (SP);
807	PUSHs (&PL_sv_no);	929	PUSHs (&PL_sv_no);
808	PUSHs (fullname);	930	PUSHs (fullname);
809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	931	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810	PUTBACK;	932	PUTBACK;
811	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	933	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
812	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	934	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
813	SPAGAIN;	935	SPAGAIN;
814	FREETMPS;	936	FREETMPS;
815	LEAVE;	937	LEAVE;
816	PL_runops = runops_trace;	938	PL_runops = runops_trace;
…		…
843	SAVETMPS;	965	SAVETMPS;
844	EXTEND (SP, 3);	966	EXTEND (SP, 3);
845	PUSHMARK (SP);	967	PUSHMARK (SP);
846	PUSHs (&PL_sv_yes);	968	PUSHs (&PL_sv_yes);
847	PUSHs (fullname);	969	PUSHs (fullname);
848	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	970	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
849	PUTBACK;	971	PUTBACK;
850	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	972	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
851	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	973	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
852	SPAGAIN;	974	SPAGAIN;
853	FREETMPS;	975	FREETMPS;
854	LEAVE;	976	LEAVE;
855	PL_runops = runops_trace;	977	PL_runops = runops_trace;
…		…
869	PL_runops = RUNOPS_DEFAULT;	991	PL_runops = RUNOPS_DEFAULT;
870	PUSHMARK (SP);	992	PUSHMARK (SP);
871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	993	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	994	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873	PUTBACK;	995	PUTBACK;
874	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	996	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
875	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	997	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
876	SPAGAIN;	998	SPAGAIN;
877	FREETMPS;	999	FREETMPS;
878	LEAVE;	1000	LEAVE;
879	PL_runops = runops_trace;	1001	PL_runops = runops_trace;
…		…
1069	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1191	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1070		1192
1071	if (expect_false (next->flags & CF_DESTROYED))	1193	if (expect_false (next->flags & CF_DESTROYED))
1072	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1194	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1073		1195
1074	if (
1075	#if PERL_VERSION_ATLEAST (5,9,0)	1196	#if !PERL_VERSION_ATLEAST (5,10,0)
1076	expect_false (PL_parser)
1077	#else
1078	expect_false (PL_lex_state != LEX_NOTPARSING)	1197	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079	#endif
1080	)
1081	croak ("Coro::State::transfer called while parsing, but this is not supported");	1198	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1199	#endif
1082	}	1200	}
1083	}	1201	}
1084		1202
1085	/* always use the TRANSFER macro */	1203	/* always use the TRANSFER macro */
1086	static void NOINLINE	1204	static void NOINLINE
1087	transfer (pTHX_ struct coro prev, struct coro next)	1205	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1088	{	1206	{
1089	dSTACKLEVEL;	1207	dSTACKLEVEL;
		1208	static volatile int has_throw;
1090		1209
1091	/* sometimes transfer is only called to set idle_sp */	1210	/* sometimes transfer is only called to set idle_sp */
1092	if (expect_false (!next))	1211	if (expect_false (!next))
1093	{	1212	{
1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1213	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1109	prev->flags &= ~CF_RUNNING;	1228	prev->flags &= ~CF_RUNNING;
1110	next->flags \|= CF_RUNNING;	1229	next->flags \|= CF_RUNNING;
1111		1230
1112	LOCK;	1231	LOCK;
1113		1232
		1233	/* first get rid of the old state */
		1234	save_perl (aTHX_ prev);
		1235
1114	if (expect_false (next->flags & CF_NEW))	1236	if (expect_false (next->flags & CF_NEW))
1115	{	1237	{
1116	/* need to start coroutine */	1238	/* need to start coroutine */
1117	next->flags &= ~CF_NEW;	1239	next->flags &= ~CF_NEW;
1118	/* first get rid of the old state */
1119	save_perl (aTHX_ prev);
1120	/* setup coroutine call */	1240	/* setup coroutine call */
1121	coro_setup (aTHX_ next);	1241	coro_setup (aTHX_ next);
1122	}	1242	}
1123	else	1243	else
1124	{
1125	/* coroutine already started */
1126	save_perl (aTHX_ prev);
1127	load_perl (aTHX_ next);	1244	load_perl (aTHX_ next);
1128	}
1129		1245
1130	prev__cctx = prev->cctx;	1246	prev__cctx = prev->cctx;
1131		1247
1132	/* possibly "free" the cctx */	1248	/* possibly "free" the cctx */
1133	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1249	if (expect_true (
		1250	prev__cctx->idle_sp == STACKLEVEL
		1251	&& !(prev__cctx->flags & CC_TRACE)
		1252	&& !force_cctx
		1253	))
1134	{	1254	{
1135	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1255	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1136	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1256	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1137		1257
1138	prev->cctx = 0;	1258	prev->cctx = 0;
…		…
1148		1268
1149	++next->usecount;	1269	++next->usecount;
1150		1270
1151	if (expect_true (!next->cctx))	1271	if (expect_true (!next->cctx))
1152	next->cctx = cctx_get (aTHX);	1272	next->cctx = cctx_get (aTHX);
		1273
		1274	has_throw = !!next->throw;
1153		1275
1154	if (expect_false (prev__cctx != next->cctx))	1276	if (expect_false (prev__cctx != next->cctx))
1155	{	1277	{
1156	prev__cctx->top_env = PL_top_env;	1278	prev__cctx->top_env = PL_top_env;
1157	PL_top_env = next->cctx->top_env;	1279	PL_top_env = next->cctx->top_env;
…		…
1159	}	1281	}
1160		1282
1161	free_coro_mortal (aTHX);	1283	free_coro_mortal (aTHX);
1162	UNLOCK;	1284	UNLOCK;
1163		1285
1164	if (expect_false (prev->throw \|\| next->throw))	1286	if (expect_false (has_throw))
1165	{	1287	{
1166	struct coro *coro = SvSTATE (coro_current);	1288	struct coro *coro = SvSTATE (coro_current);
1167		1289
1168	if (coro->throw)	1290	if (coro->throw)
1169	{	1291	{
…		…
1179	struct transfer_args	1301	struct transfer_args
1180	{	1302	{
1181	struct coro prev, next;	1303	struct coro prev, next;
1182	};	1304	};
1183		1305
1184	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1185	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1307	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1186		1308
1187	/ high level stuff ******************************************************/	1309	/ high level stuff ******************************************************/
1188		1310
1189	static int	1311	static int
…		…
1283	{	1405	{
1284	dTHX;	1406	dTHX;
1285	struct transfer_args ta;	1407	struct transfer_args ta;
1286		1408
1287	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1409	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1288	TRANSFER (ta);	1410	TRANSFER (ta, 1);
1289	}	1411	}
1290		1412
1291	/ Coro ******************************************************************/	1413	/ Coro ******************************************************************/
1292		1414
1293	static void	1415	static void
…		…
1295	{	1417	{
1296	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1418	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1297	}	1419	}
1298		1420
1299	static SV *	1421	static SV *
1300	coro_deq (pTHX_ int min_prio)	1422	coro_deq (pTHX)
1301	{	1423	{
1302	int prio = PRIO_MAX - PRIO_MIN;	1424	int prio;
1303		1425
1304	min_prio -= PRIO_MIN;
1305	if (min_prio < 0)
1306	min_prio = 0;
1307
1308	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1426	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1309	if (AvFILLp (coro_ready [prio]) >= 0)	1427	if (AvFILLp (coro_ready [prio]) >= 0)
1310	return av_shift (coro_ready [prio]);	1428	return av_shift (coro_ready [prio]);
1311		1429
1312	return 0;	1430	return 0;
1313	}	1431	}
…		…
1315	static int	1433	static int
1316	api_ready (SV *coro_sv)	1434	api_ready (SV *coro_sv)
1317	{	1435	{
1318	dTHX;	1436	dTHX;
1319	struct coro *coro;	1437	struct coro *coro;
		1438	SV *sv_hook;
		1439	void (*xs_hook)(void);
1320		1440
1321	if (SvROK (coro_sv))	1441	if (SvROK (coro_sv))
1322	coro_sv = SvRV (coro_sv);	1442	coro_sv = SvRV (coro_sv);
1323		1443
1324	coro = SvSTATE (coro_sv);	1444	coro = SvSTATE (coro_sv);
…		…
1327	return 0;	1447	return 0;
1328		1448
1329	coro->flags \|= CF_READY;	1449	coro->flags \|= CF_READY;
1330		1450
1331	LOCK;	1451	LOCK;
		1452
		1453	sv_hook = coro_nready ? 0 : coro_readyhook;
		1454	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1455
1332	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1456	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1333	++coro_nready;	1457	++coro_nready;
		1458
1334	UNLOCK;	1459	UNLOCK;
		1460
		1461	if (sv_hook)
		1462	{
		1463	dSP;
		1464
		1465	ENTER;
		1466	SAVETMPS;
		1467
		1468	PUSHMARK (SP);
		1469	PUTBACK;
		1470	call_sv (sv_hook, G_DISCARD);
		1471	SPAGAIN;
		1472
		1473	FREETMPS;
		1474	LEAVE;
		1475	}
		1476
		1477	if (xs_hook)
		1478	xs_hook ();
1335		1479
1336	return 1;	1480	return 1;
1337	}	1481	}
1338		1482
1339	static int	1483	static int
…		…
1349	SV prev_sv, next_sv;	1493	SV prev_sv, next_sv;
1350		1494
1351	for (;;)	1495	for (;;)
1352	{	1496	{
1353	LOCK;	1497	LOCK;
1354	next_sv = coro_deq (aTHX_ PRIO_MIN);	1498	next_sv = coro_deq (aTHX);
1355		1499
1356	/* nothing to schedule: call the idle handler */	1500	/* nothing to schedule: call the idle handler */
1357	if (expect_false (!next_sv))	1501	if (expect_false (!next_sv))
1358	{	1502	{
1359	dSP;	1503	dSP;
…		…
1363	SAVETMPS;	1507	SAVETMPS;
1364		1508
1365	PUSHMARK (SP);	1509	PUSHMARK (SP);
1366	PUTBACK;	1510	PUTBACK;
1367	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1511	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1512	SPAGAIN;
1368		1513
1369	FREETMPS;	1514	FREETMPS;
1370	LEAVE;	1515	LEAVE;
1371	continue;	1516	continue;
1372	}	1517	}
…		…
1427	{	1572	{
1428	dTHX;	1573	dTHX;
1429	struct transfer_args ta;	1574	struct transfer_args ta;
1430		1575
1431	prepare_schedule (aTHX_ &ta);	1576	prepare_schedule (aTHX_ &ta);
1432	TRANSFER (ta);	1577	TRANSFER (ta, 1);
1433	}	1578	}
1434		1579
1435	static int	1580	static int
1436	api_cede (void)	1581	api_cede (void)
1437	{	1582	{
…		…
1440		1585
1441	prepare_cede (aTHX_ &ta);	1586	prepare_cede (aTHX_ &ta);
1442		1587
1443	if (expect_true (ta.prev != ta.next))	1588	if (expect_true (ta.prev != ta.next))
1444	{	1589	{
1445	TRANSFER (ta);	1590	TRANSFER (ta, 1);
1446	return 1;	1591	return 1;
1447	}	1592	}
1448	else	1593	else
1449	return 0;	1594	return 0;
1450	}	1595	}
…		…
1455	dTHX;	1600	dTHX;
1456	struct transfer_args ta;	1601	struct transfer_args ta;
1457		1602
1458	if (prepare_cede_notself (aTHX_ &ta))	1603	if (prepare_cede_notself (aTHX_ &ta))
1459	{	1604	{
1460	TRANSFER (ta);	1605	TRANSFER (ta, 1);
1461	return 1;	1606	return 1;
1462	}	1607	}
1463	else	1608	else
1464	return 0;	1609	return 0;
1465	}	1610	}
…		…
1488	else	1633	else
1489	coro->slot->runops = RUNOPS_DEFAULT;	1634	coro->slot->runops = RUNOPS_DEFAULT;
1490	}	1635	}
1491	}	1636	}
1492		1637
		1638	static int
		1639	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1640	{
		1641	AV *padlist;
		1642	AV av = (AV )mg->mg_obj;
		1643
		1644	abort ();
		1645
		1646	return 0;
		1647	}
		1648
		1649	static MGVTBL coro_gensub_vtbl = {
		1650	0, 0, 0, 0,
		1651	coro_gensub_free
		1652	};
		1653
		1654	/*****************************************************************************/
		1655	/* PerlIO::cede */
		1656
		1657	typedef struct
		1658	{
		1659	PerlIOBuf base;
		1660	NV next, every;
		1661	} PerlIOCede;
		1662
		1663	static IV
		1664	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1665	{
		1666	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1667
		1668	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1669	self->next = nvtime () + self->every;
		1670
		1671	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1672	}
		1673
		1674	static SV *
		1675	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1676	{
		1677	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1678
		1679	return newSVnv (self->every);
		1680	}
		1681
		1682	static IV
		1683	PerlIOCede_flush (pTHX_ PerlIO *f)
		1684	{
		1685	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1686	double now = nvtime ();
		1687
		1688	if (now >= self->next)
		1689	{
		1690	api_cede ();
		1691	self->next = now + self->every;
		1692	}
		1693
		1694	return PerlIOBuf_flush (aTHX_ f);
		1695	}
		1696
		1697	static PerlIO_funcs PerlIO_cede =
		1698	{
		1699	sizeof(PerlIO_funcs),
		1700	"cede",
		1701	sizeof(PerlIOCede),
		1702	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1703	PerlIOCede_pushed,
		1704	PerlIOBuf_popped,
		1705	PerlIOBuf_open,
		1706	PerlIOBase_binmode,
		1707	PerlIOCede_getarg,
		1708	PerlIOBase_fileno,
		1709	PerlIOBuf_dup,
		1710	PerlIOBuf_read,
		1711	PerlIOBuf_unread,
		1712	PerlIOBuf_write,
		1713	PerlIOBuf_seek,
		1714	PerlIOBuf_tell,
		1715	PerlIOBuf_close,
		1716	PerlIOCede_flush,
		1717	PerlIOBuf_fill,
		1718	PerlIOBase_eof,
		1719	PerlIOBase_error,
		1720	PerlIOBase_clearerr,
		1721	PerlIOBase_setlinebuf,
		1722	PerlIOBuf_get_base,
		1723	PerlIOBuf_bufsiz,
		1724	PerlIOBuf_get_ptr,
		1725	PerlIOBuf_get_cnt,
		1726	PerlIOBuf_set_ptrcnt,
		1727	};
		1728
		1729
1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1730	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1494		1731
1495	PROTOTYPES: DISABLE	1732	PROTOTYPES: DISABLE
1496		1733
1497	BOOT:	1734	BOOT:
…		…
1502	BOOT_PAGESIZE;	1739	BOOT_PAGESIZE;
1503		1740
1504	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1741	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1505	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1742	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1506		1743
		1744	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1745	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1746	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1747
1507	hv_sig = coro_get_hv ("SIG", TRUE);	1748	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1508	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1749	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1509	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1750	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1510
1511	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1512	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1513		1751
1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1752	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1515		1753
1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1755	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1522	main_top_env = PL_top_env;	1760	main_top_env = PL_top_env;
1523		1761
1524	while (main_top_env->je_prev)	1762	while (main_top_env->je_prev)
1525	main_top_env = main_top_env->je_prev;	1763	main_top_env = main_top_env->je_prev;
1526		1764
1527	coroapi.ver = CORO_API_VERSION;	1765	coroapi.ver = CORO_API_VERSION;
		1766	coroapi.rev = CORO_API_REVISION;
1528	coroapi.transfer = api_transfer;	1767	coroapi.transfer = api_transfer;
		1768
		1769	{
		1770	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1771
		1772	if (!svp) croak ("Time::HiRes is required");
		1773	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1774
		1775	nvtime = INT2PTR (double ()(), SvIV (svp));
		1776	}
1529		1777
1530	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1778	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1531	}	1779	}
1532		1780
1533	SV *	1781	SV *
1534	new (char *klass, ...)	1782	new (char *klass, ...)
1535	CODE:	1783	CODE:
1536	{	1784	{
1537	struct coro *coro;	1785	struct coro *coro;
		1786	MAGIC *mg;
1538	HV *hv;	1787	HV *hv;
1539	int i;	1788	int i;
1540		1789
1541	Newz (0, coro, 1, struct coro);	1790	Newz (0, coro, 1, struct coro);
1542	coro->args = newAV ();	1791	coro->args = newAV ();
…		…
1545	if (coro_first) coro_first->prev = coro;	1794	if (coro_first) coro_first->prev = coro;
1546	coro->next = coro_first;	1795	coro->next = coro_first;
1547	coro_first = coro;	1796	coro_first = coro;
1548		1797
1549	coro->hv = hv = newHV ();	1798	coro->hv = hv = newHV ();
1550	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1799	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1800	mg->mg_flags \|= MGf_DUP;
1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1801	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1552		1802
1553	av_extend (coro->args, items - 1);	1803	av_extend (coro->args, items - 1);
1554	for (i = 1; i < items; i++)	1804	for (i = 1; i < items; i++)
1555	av_push (coro->args, newSVsv (ST (i)));	1805	av_push (coro->args, newSVsv (ST (i)));
…		…
1569	Coro::cede_notself = 4	1819	Coro::cede_notself = 4
1570	CODE:	1820	CODE:
1571	{	1821	{
1572	struct transfer_args ta;	1822	struct transfer_args ta;
1573		1823
		1824	PUTBACK;
1574	switch (ix)	1825	switch (ix)
1575	{	1826	{
1576	case 0:	1827	case 0:
1577	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1828	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1578	ta.next = 0;	1829	ta.next = 0;
…		…
1597	if (!prepare_cede_notself (aTHX_ &ta))	1848	if (!prepare_cede_notself (aTHX_ &ta))
1598	XSRETURN_EMPTY;	1849	XSRETURN_EMPTY;
1599		1850
1600	break;	1851	break;
1601	}	1852	}
		1853	SPAGAIN;
1602		1854
1603	BARRIER;	1855	BARRIER;
		1856	PUTBACK;
1604	TRANSFER (ta);	1857	TRANSFER (ta, 0);
1605		1858	SPAGAIN; /* might be the sp of a different coroutine now */
1606	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1859	/* be extra careful not to ever do anything after TRANSFER */
1607	XSRETURN_YES;
1608	}	1860	}
1609		1861
1610	bool	1862	bool
1611	_destroy (SV *coro_sv)	1863	_destroy (SV *coro_sv)
1612	CODE:	1864	CODE:
1613	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1865	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1614	OUTPUT:	1866	OUTPUT:
1615	RETVAL	1867	RETVAL
1616		1868
1617	void	1869	void
1618	_exit (code)	1870	_exit (int code)
1619	int code
1620	PROTOTYPE: $	1871	PROTOTYPE: $
1621	CODE:	1872	CODE:
1622	_exit (code);	1873	_exit (code);
1623		1874
1624	int	1875	int
…		…
1658	call (Coro::State coro, SV *coderef)	1909	call (Coro::State coro, SV *coderef)
1659	ALIAS:	1910	ALIAS:
1660	eval = 1	1911	eval = 1
1661	CODE:	1912	CODE:
1662	{	1913	{
1663	if (coro->mainstack)	1914	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1664	{	1915	{
1665	struct coro temp;	1916	struct coro temp;
1666		1917
1667	if (!(coro->flags & CF_RUNNING))	1918	if (!(coro->flags & CF_RUNNING))
1668	{	1919	{
		1920	PUTBACK;
1669	save_perl (aTHX_ &temp);	1921	save_perl (aTHX_ &temp);
1670	load_perl (aTHX_ coro);	1922	load_perl (aTHX_ coro);
1671	}	1923	}
1672		1924
1673	{	1925	{
1674	dSP;	1926	dSP;
1675	ENTER;	1927	ENTER;
1676	SAVETMPS;	1928	SAVETMPS;
		1929	PUTBACK;
		1930	PUSHSTACK;
1677	PUSHMARK (SP);	1931	PUSHMARK (SP);
1678	PUTBACK;
1679		1932
1680	if (ix)	1933	if (ix)
1681	eval_sv (coderef, 0);	1934	eval_sv (coderef, 0);
1682	else	1935	else
1683	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1936	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1684		1937
		1938	POPSTACK;
1685	SPAGAIN;	1939	SPAGAIN;
1686	FREETMPS;	1940	FREETMPS;
1687	LEAVE;	1941	LEAVE;
1688	PUTBACK;	1942	PUTBACK;
1689	}	1943	}
1690		1944
1691	if (!(coro->flags & CF_RUNNING))	1945	if (!(coro->flags & CF_RUNNING))
1692	{	1946	{
1693	save_perl (aTHX_ coro);	1947	save_perl (aTHX_ coro);
1694	load_perl (aTHX_ &temp);	1948	load_perl (aTHX_ &temp);
		1949	SPAGAIN;
1695	}	1950	}
1696	}	1951	}
1697	}	1952	}
1698		1953
1699	SV *	1954	SV *
…		…
1711		1966
1712	void	1967	void
1713	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1968	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1714		1969
1715	SV *	1970	SV *
1716	has_stack (Coro::State coro)	1971	has_cctx (Coro::State coro)
1717	PROTOTYPE: $	1972	PROTOTYPE: $
1718	CODE:	1973	CODE:
1719	RETVAL = boolSV (!!coro->cctx);	1974	RETVAL = boolSV (!!coro->cctx);
1720	OUTPUT:	1975	OUTPUT:
1721	RETVAL	1976	RETVAL
…		…
1740	case 1: RETVAL = coro->usecount; break;	1995	case 1: RETVAL = coro->usecount; break;
1741	}	1996	}
1742	OUTPUT:	1997	OUTPUT:
1743	RETVAL	1998	RETVAL
1744		1999
		2000	void
		2001	force_cctx ()
		2002	CODE:
		2003	struct coro *coro = SvSTATE (coro_current);
		2004	coro->cctx->idle_sp = 0;
		2005
		2006	void
		2007	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2008	PROTOTYPE: $;$
		2009	CODE:
		2010	SvREFCNT_dec (self->throw);
		2011	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2012
		2013	void
		2014	swap_defsv (Coro::State self)
		2015	PROTOTYPE: $
		2016	ALIAS:
		2017	swap_defav = 1
		2018	CODE:
		2019	if (!self->slot)
		2020	croak ("cannot swap state with coroutine that has no saved state");
		2021	else
		2022	{
		2023	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2024	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2025
		2026	SV tmp = src; src = dst; *dst = tmp;
		2027	}
1745		2028
1746	MODULE = Coro::State PACKAGE = Coro	2029	MODULE = Coro::State PACKAGE = Coro
1747		2030
1748	BOOT:	2031	BOOT:
1749	{	2032	{
1750	int i;	2033	int i;
1751		2034
1752	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1753	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1754	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2035	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2036	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2037	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1755		2038
1756	coro_current = coro_get_sv ("Coro::current", FALSE);	2039	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1757	SvREADONLY_on (coro_current);	2040	SvREADONLY_on (coro_current);
1758		2041
1759	coro_stash = gv_stashpv ("Coro", TRUE);	2042	coro_stash = gv_stashpv ("Coro", TRUE);
1760		2043
1761	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2044	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1789	void	2072	void
1790	_set_current (SV *current)	2073	_set_current (SV *current)
1791	PROTOTYPE: $	2074	PROTOTYPE: $
1792	CODE:	2075	CODE:
1793	SvREFCNT_dec (SvRV (coro_current));	2076	SvREFCNT_dec (SvRV (coro_current));
1794	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2077	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2078
		2079	void
		2080	_set_readyhook (SV *hook)
		2081	PROTOTYPE: $
		2082	CODE:
		2083	LOCK;
		2084	SvREFCNT_dec (coro_readyhook);
		2085	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2086	UNLOCK;
1795		2087
1796	int	2088	int
1797	prio (Coro::State coro, int newprio = 0)	2089	prio (Coro::State coro, int newprio = 0)
1798	ALIAS:	2090	ALIAS:
1799	nice = 1	2091	nice = 1
…		…
1829	CODE:	2121	CODE:
1830	RETVAL = coro_nready;	2122	RETVAL = coro_nready;
1831	OUTPUT:	2123	OUTPUT:
1832	RETVAL	2124	RETVAL
1833		2125
1834	void
1835	throw (Coro::State self, SV *throw = &PL_sv_undef)
1836	PROTOTYPE: $;$
1837	CODE:
1838	SvREFCNT_dec (self->throw);
1839	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1840
1841	# for async_pool speedup	2126	# for async_pool speedup
1842	void	2127	void
1843	_pool_1 (SV *cb)	2128	_pool_1 (SV *cb)
1844	CODE:	2129	CODE:
1845	{	2130	{
1846	struct coro *coro = SvSTATE (coro_current);	2131	struct coro *coro = SvSTATE (coro_current);
1847	HV hv = (HV )SvRV (coro_current);	2132	HV hv = (HV )SvRV (coro_current);
1848	AV *defav = GvAV (PL_defgv);	2133	AV *defav = GvAV (PL_defgv);
1849	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2134	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1850	AV *invoke_av;	2135	AV *invoke_av;
1851	int i, len;	2136	int i, len;
1852		2137
1853	if (!invoke)	2138	if (!invoke)
		2139	{
		2140	SV *old = PL_diehook;
		2141	PL_diehook = 0;
		2142	SvREFCNT_dec (old);
1854	croak ("\3async_pool terminate\2\n");	2143	croak ("\3async_pool terminate\2\n");
		2144	}
1855		2145
1856	SvREFCNT_dec (coro->saved_deffh);	2146	SvREFCNT_dec (coro->saved_deffh);
1857	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2147	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1858		2148
1859	hv_store (hv, "desc", sizeof ("desc") - 1,	2149	hv_store (hv, "desc", sizeof ("desc") - 1,
1860	newSVpvn (strpair ("[async_pool]")), 0);	2150	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1861		2151
1862	invoke_av = (AV *)SvRV (invoke);	2152	invoke_av = (AV *)SvRV (invoke);
1863	len = av_len (invoke_av);	2153	len = av_len (invoke_av);
1864		2154
1865	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2155	sv_setsv (cb, AvARRAY (invoke_av)[0]);
1866		2156
1867	if (len > 0)	2157	if (len > 0)
1868	{	2158	{
1869	av_fill (defav, len - 1);	2159	av_fill (defav, len - 1);
1870	for (i = 0; i < len; ++i)	2160	for (i = 0; i < len; ++i)
1871	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2161	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1872	}	2162	}
1873		2163
1874	SvREFCNT_dec (invoke);	2164	SvREFCNT_dec (invoke);
1875	}	2165	}
1876		2166
…		…
1885	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2175	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1886	coro->saved_deffh = 0;	2176	coro->saved_deffh = 0;
1887		2177
1888	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2178	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1889	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2179	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2180	{
		2181	SV *old = PL_diehook;
		2182	PL_diehook = 0;
		2183	SvREFCNT_dec (old);
1890	croak ("\3async_pool terminate\2\n");	2184	croak ("\3async_pool terminate\2\n");
		2185	}
1891		2186
1892	av_clear (GvAV (PL_defgv));	2187	av_clear (GvAV (PL_defgv));
1893	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2188	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1894	newSVpvn (strpair ("[async_pool idle]")), 0);	2189	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1895		2190
1896	coro->prio = 0;	2191	coro->prio = 0;
1897		2192
1898	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2193	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1899	api_trace (coro_current, 0);	2194	api_trace (coro_current, 0);
1900		2195
1901	av_push (av_async_pool, newSVsv (coro_current));	2196	av_push (av_async_pool, newSVsv (coro_current));
1902	}	2197	}
1903		2198
		2199	#if 0
		2200
		2201	void
		2202	_generator_call (...)
		2203	PROTOTYPE: @
		2204	PPCODE:
		2205	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2206	xxxx
		2207	abort ();
		2208
		2209	SV *
		2210	gensub (SV *sub, ...)
		2211	PROTOTYPE: &;@
		2212	CODE:
		2213	{
		2214	struct coro *coro;
		2215	MAGIC *mg;
		2216	CV *xcv;
		2217	CV ncv = (CV )newSV_type (SVt_PVCV);
		2218	int i;
		2219
		2220	CvGV (ncv) = CvGV (cv);
		2221	CvFILE (ncv) = CvFILE (cv);
		2222
		2223	Newz (0, coro, 1, struct coro);
		2224	coro->args = newAV ();
		2225	coro->flags = CF_NEW;
		2226
		2227	av_extend (coro->args, items - 1);
		2228	for (i = 1; i < items; i++)
		2229	av_push (coro->args, newSVsv (ST (i)));
		2230
		2231	CvISXSUB_on (ncv);
		2232	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2233
		2234	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2235
		2236	CvXSUB (ncv) = CvXSUB (xcv);
		2237	CvANON_on (ncv);
		2238
		2239	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2240	RETVAL = newRV_noinc ((SV *)ncv);
		2241	}
		2242	OUTPUT:
		2243	RETVAL
		2244
		2245	#endif
		2246
1904		2247
1905	MODULE = Coro::State PACKAGE = Coro::AIO	2248	MODULE = Coro::State PACKAGE = Coro::AIO
1906		2249
1907	SV *	2250	void
1908	_get_state ()	2251	_get_state (SV *self)
1909	CODE:	2252	PPCODE:
1910	{	2253	{
1911	struct io_state *data;	2254	AV *defav = GvAV (PL_defgv);
1912		2255	AV *av = newAV ();
		2256	int i;
1913	RETVAL = newSV (sizeof (struct io_state));	2257	SV *data_sv = newSV (sizeof (struct io_state));
1914	data = (struct io_state *)SvPVX (RETVAL);	2258	struct io_state data = (struct io_state )SvPVX (data_sv);
1915	SvCUR_set (RETVAL, sizeof (struct io_state));	2259	SvCUR_set (data_sv, sizeof (struct io_state));
1916	SvPOK_only (RETVAL);	2260	SvPOK_only (data_sv);
1917		2261
1918	data->errorno = errno;	2262	data->errorno = errno;
1919	data->laststype = PL_laststype;	2263	data->laststype = PL_laststype;
1920	data->laststatval = PL_laststatval;	2264	data->laststatval = PL_laststatval;
1921	data->statcache = PL_statcache;	2265	data->statcache = PL_statcache;
		2266
		2267	av_extend (av, AvFILLp (defav) + 1 + 1);
		2268
		2269	for (i = 0; i <= AvFILLp (defav); ++i)
		2270	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2271
		2272	av_push (av, data_sv);
		2273
		2274	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2275
		2276	api_ready (self);
1922	}	2277	}
1923	OUTPUT:
1924	RETVAL
1925		2278
1926	void	2279	void
1927	_set_state (char *data_)	2280	_set_state (SV *state)
1928	PROTOTYPE: $	2281	PROTOTYPE: $
1929	CODE:	2282	PPCODE:
1930	{	2283	{
1931	struct io_state data = (void )data_;	2284	AV av = (AV )SvRV (state);
		2285	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2286	int i;
1932		2287
1933	errno = data->errorno;	2288	errno = data->errorno;
1934	PL_laststype = data->laststype;	2289	PL_laststype = data->laststype;
1935	PL_laststatval = data->laststatval;	2290	PL_laststatval = data->laststatval;
1936	PL_statcache = data->statcache;	2291	PL_statcache = data->statcache;
1937	}
1938		2292
		2293	EXTEND (SP, AvFILLp (av));
		2294	for (i = 0; i < AvFILLp (av); ++i)
		2295	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2296	}
		2297
		2298
		2299	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2300
		2301	BOOT:
		2302	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2303
		2304	SV *
		2305	_schedule (...)
		2306	PROTOTYPE: @
		2307	CODE:
		2308	{
		2309	static int incede;
		2310
		2311	api_cede_notself ();
		2312
		2313	++incede;
		2314	while (coro_nready >= incede && api_cede ())
		2315	;
		2316
		2317	sv_setsv (sv_activity, &PL_sv_undef);
		2318	if (coro_nready >= incede)
		2319	{
		2320	PUSHMARK (SP);
		2321	PUTBACK;
		2322	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2323	SPAGAIN;
		2324	}
		2325
		2326	--incede;
		2327	}
		2328
		2329
		2330	MODULE = Coro::State PACKAGE = PerlIO::cede
		2331
		2332	BOOT:
		2333	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC vs. Revision 1.249 by root, Tue Sep 30 17:12:35 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC vs.
Revision 1.249 by root, Tue Sep 30 17:12:35 2008 UTC