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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC vs.
Revision 1.250 by root, Wed Oct 22 16:34:07 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	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93	#ifndef SvREFCNT_inc_NN
		94	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		95	#endif
		96
		97	/* 5.11 */
		98	#ifndef CxHASARGS
		99	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		100	#endif
		101
77	/* 5.8.7 */	102	/* 5.8.7 */
78	#ifndef SvRV_set	103	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	104	# 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	105	#endif
89		106
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	107	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	108	# undef CORO_STACKGUARD
92	#endif	109	#endif
…		…
134	#endif	151	#endif
135		152
136	/* helper storage struct for Coro::AIO */	153	/* helper storage struct for Coro::AIO */
137	struct io_state	154	struct io_state
138	{	155	{
		156	AV *res;
139	int errorno;	157	int errorno;
140	I32 laststype;	158	I32 laststype;
141	int laststatval;	159	int laststatval;
142	Stat_t statcache;	160	Stat_t statcache;
143	};	161	};
144		162
		163	static double (nvtime)(); / so why doesn't it take void? */
		164
145	static size_t coro_stacksize = CORO_STACKSIZE;	165	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	166	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	167	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	168	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	169	static HV coro_state_stash, coro_stash;
150	static SV coro_mortal; / will be freed after next transfer */	170	static volatile SV coro_mortal; / will be freed after next transfer */
151		171
152	static GV irsgv; / $/ */	172	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	173	static GV stdoutgv; / STDOUT /
154		174	static SV *rv_diehook;
		175	static SV *rv_warnhook;
155	static HV hv_sig; / %SIG */	176	static HV hv_sig; / %SIG */
156	static SV *sv_diehook;
157	static SV *sv_warnhook;
158		177
159	/* async_pool helper stuff */	178	/* async_pool helper stuff */
160	static SV *sv_pool_rss;	179	static SV *sv_pool_rss;
161	static SV *sv_pool_size;	180	static SV *sv_pool_size;
162	static AV *av_async_pool;	181	static AV *av_async_pool;
		182
		183	/* Coro::AnyEvent */
		184	static SV *sv_activity;
163		185
164	static struct coro_cctx *cctx_first;	186	static struct coro_cctx *cctx_first;
165	static int cctx_count, cctx_idle;	187	static int cctx_count, cctx_idle;
166		188
167	enum {	189	enum {
…		…
253	#define PRIO_IDLE -3	275	#define PRIO_IDLE -3
254	#define PRIO_MIN -4	276	#define PRIO_MIN -4
255		277
256	/* for Coro.pm */	278	/* for Coro.pm */
257	static SV *coro_current;	279	static SV *coro_current;
		280	static SV *coro_readyhook;
258	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	281	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
259	static int coro_nready;	282	static int coro_nready;
260	static struct coro *coro_first;	283	static struct coro *coro_first;
261		284
262	/ lowlevel stuff ********************************************************/	285	/ lowlevel stuff ********************************************************/
263		286
264	static SV *	287	static SV *
265	coro_get_sv (pTHX_ const char *name, int create)	288	coro_get_sv (pTHX_ const char *name, int create)
266	{	289	{
267	#if PERL_VERSION_ATLEAST (5,9,0)	290	#if PERL_VERSION_ATLEAST (5,10,0)
268	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	291	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
269	get_sv (name, create);	292	get_sv (name, create);
270	#endif	293	#endif
271	return get_sv (name, create);	294	return get_sv (name, create);
272	}	295	}
273		296
274	static AV *	297	static AV *
275	coro_get_av (pTHX_ const char *name, int create)	298	coro_get_av (pTHX_ const char *name, int create)
276	{	299	{
277	#if PERL_VERSION_ATLEAST (5,9,0)	300	#if PERL_VERSION_ATLEAST (5,10,0)
278	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	301	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
279	get_av (name, create);	302	get_av (name, create);
280	#endif	303	#endif
281	return get_av (name, create);	304	return get_av (name, create);
282	}	305	}
283		306
284	static HV *	307	static HV *
285	coro_get_hv (pTHX_ const char *name, int create)	308	coro_get_hv (pTHX_ const char *name, int create)
286	{	309	{
287	#if PERL_VERSION_ATLEAST (5,9,0)	310	#if PERL_VERSION_ATLEAST (5,10,0)
288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	311	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
289	get_hv (name, create);	312	get_hv (name, create);
290	#endif	313	#endif
291	return get_hv (name, create);	314	return get_hv (name, create);
292	}	315	}
…		…
297	AV *padlist = CvPADLIST (cv);	320	AV *padlist = CvPADLIST (cv);
298	AV newpadlist, newpad;	321	AV newpadlist, newpad;
299		322
300	newpadlist = newAV ();	323	newpadlist = newAV ();
301	AvREAL_off (newpadlist);	324	AvREAL_off (newpadlist);
302	#if PERL_VERSION_ATLEAST (5,9,0)	325	#if PERL_VERSION_ATLEAST (5,10,0)
303	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	326	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304	#else	327	#else
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306	#endif	329	#endif
307	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	330	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
308	--AvFILLp (padlist);	331	--AvFILLp (padlist);
309		332
310	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	333	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
311	av_store (newpadlist, 1, (SV *)newpad);	334	av_store (newpadlist, 1, (SV *)newpad);
312		335
313	return newpadlist;	336	return newpadlist;
314	}	337	}
315		338
…		…
345		368
346	/* casting is fun. */	369	/* casting is fun. */
347	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	370	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
348	free_padlist (aTHX_ padlist);	371	free_padlist (aTHX_ padlist);
349		372
350	SvREFCNT_dec (av);	373	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
351		374
352	return 0;	375	return 0;
353	}	376	}
354		377
355	#define PERL_MAGIC_coro PERL_MAGIC_ext	378	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		379	#define CORO_MAGIC_type_state PERL_MAGIC_ext
356		380
357	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	381	static MGVTBL coro_cv_vtbl = {
		382	0, 0, 0, 0,
		383	coro_cv_free
		384	};
358		385
359	#define CORO_MAGIC(cv) \	386	#define CORO_MAGIC(sv,type) \
360	SvMAGIC (cv) \	387	SvMAGIC (sv) \
361	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	388	? SvMAGIC (sv)->mg_type == type \
362	? SvMAGIC (cv) \	389	? SvMAGIC (sv) \
363	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	390	: mg_find (sv, type) \
364	: 0	391	: 0
		392
		393	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		394	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365		395
366	static struct coro *	396	static struct coro *
367	SvSTATE_ (pTHX_ SV *coro)	397	SvSTATE_ (pTHX_ SV *coro)
368	{	398	{
369	HV *stash;	399	HV *stash;
…		…
381	/* very slow, but rare, check */	411	/* very slow, but rare, check */
382	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	412	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383	croak ("Coro::State object required");	413	croak ("Coro::State object required");
384	}	414	}
385		415
386	mg = CORO_MAGIC (coro);	416	mg = CORO_MAGIC_state (coro);
387	return (struct coro *)mg->mg_ptr;	417	return (struct coro *)mg->mg_ptr;
388	}	418	}
389		419
390	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	420	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391		421
392	/* the next two functions merely cache the padlists */	422	/* the next two functions merely cache the padlists */
393	static void	423	static void
394	get_padlist (pTHX_ CV *cv)	424	get_padlist (pTHX_ CV *cv)
395	{	425	{
396	MAGIC *mg = CORO_MAGIC (cv);	426	MAGIC *mg = CORO_MAGIC_cv (cv);
397	AV *av;	427	AV *av;
398		428
399	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	429	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	430	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401	else	431	else
402	{	432	{
403	#if CORO_PREFER_PERL_FUNCTIONS	433	#if CORO_PREFER_PERL_FUNCTIONS
404	/* this is probably cleaner, but also slower? */	434	/* this is probably cleaner? but also slower! */
		435	/* in practise, it seems to be less stable */
405	CV *cp = Perl_cv_clone (cv);	436	CV *cp = Perl_cv_clone (cv);
406	CvPADLIST (cv) = CvPADLIST (cp);	437	CvPADLIST (cv) = CvPADLIST (cp);
407	CvPADLIST (cp) = 0;	438	CvPADLIST (cp) = 0;
408	SvREFCNT_dec (cp);	439	SvREFCNT_dec (cp);
409	#else	440	#else
…		…
413	}	444	}
414		445
415	static void	446	static void
416	put_padlist (pTHX_ CV *cv)	447	put_padlist (pTHX_ CV *cv)
417	{	448	{
418	MAGIC *mg = CORO_MAGIC (cv);	449	MAGIC *mg = CORO_MAGIC_cv (cv);
419	AV *av;	450	AV *av;
420		451
421	if (expect_false (!mg))	452	if (expect_false (!mg))
422	{	453	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		454
429	av = (AV *)mg->mg_obj;	455	av = (AV *)mg->mg_obj;
430		456
431	if (expect_false (AvFILLp (av) >= AvMAX (av)))	457	if (expect_false (AvFILLp (av) >= AvMAX (av)))
432	av_extend (av, AvMAX (av) + 1);	458	av_extend (av, AvMAX (av) + 1);
…		…
450	GvSV (irsgv) = slot->irsgv;	476	GvSV (irsgv) = slot->irsgv;
451		477
452	#define VAR(name,type) PL_ ## name = slot->name;	478	#define VAR(name,type) PL_ ## name = slot->name;
453	# include "state.h"	479	# include "state.h"
454	#undef VAR	480	#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		481
459	{	482	{
460	dSP;	483	dSP;
461		484
462	CV *cv;	485	CV *cv;
…		…
501		524
502	if (expect_true (CvDEPTH (cv)))	525	if (expect_true (CvDEPTH (cv)))
503	{	526	{
504	EXTEND (SP, 3);	527	EXTEND (SP, 3);
505	PUSHs ((SV *)CvPADLIST (cv));	528	PUSHs ((SV *)CvPADLIST (cv));
506	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	529	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
507	PUSHs ((SV *)cv);	530	PUSHs ((SV *)cv);
508		531
509	CvDEPTH (cv) = 0;	532	CvDEPTH (cv) = 0;
510	get_padlist (aTHX_ cv);	533	get_padlist (aTHX_ cv);
511	}	534	}
…		…
591		614
592	New(54,PL_savestack,24,ANY);	615	New(54,PL_savestack,24,ANY);
593	PL_savestack_ix = 0;	616	PL_savestack_ix = 0;
594	PL_savestack_max = 24;	617	PL_savestack_max = 24;
595		618
596	#if !PERL_VERSION_ATLEAST (5,9,0)	619	#if !PERL_VERSION_ATLEAST (5,10,0)
597	New(54,PL_retstack,4,OP*);	620	New(54,PL_retstack,4,OP*);
598	PL_retstack_ix = 0;	621	PL_retstack_ix = 0;
599	PL_retstack_max = 4;	622	PL_retstack_max = 4;
600	#endif	623	#endif
601	}	624	}
…		…
624		647
625	Safefree (PL_tmps_stack);	648	Safefree (PL_tmps_stack);
626	Safefree (PL_markstack);	649	Safefree (PL_markstack);
627	Safefree (PL_scopestack);	650	Safefree (PL_scopestack);
628	Safefree (PL_savestack);	651	Safefree (PL_savestack);
629	#if !PERL_VERSION_ATLEAST (5,9,0)	652	#if !PERL_VERSION_ATLEAST (5,10,0)
630	Safefree (PL_retstack);	653	Safefree (PL_retstack);
631	#endif	654	#endif
632	}	655	}
633		656
634	static size_t	657	static size_t
…		…
650	#undef VAR	673	#undef VAR
651	}	674	}
652	else	675	else
653	slot = coro->slot;	676	slot = coro->slot;
654		677
		678	if (slot)
		679	{
655	rss += sizeof (slot->curstackinfo);	680	rss += sizeof (slot->curstackinfo);
656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	681	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	682	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
658	rss += slot->tmps_max * sizeof (SV *);	683	rss += slot->tmps_max * sizeof (SV *);
659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	684	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660	rss += slot->scopestack_max * sizeof (I32);	685	rss += slot->scopestack_max * sizeof (I32);
661	rss += slot->savestack_max * sizeof (ANY);	686	rss += slot->savestack_max * sizeof (ANY);
662		687
663	#if !PERL_VERSION_ATLEAST (5,9,0)	688	#if !PERL_VERSION_ATLEAST (5,10,0)
664	rss += slot->retstack_max * sizeof (OP *);	689	rss += slot->retstack_max * sizeof (OP *);
665	#endif	690	#endif
		691	}
666	}	692	}
667		693
668	return rss;	694	return rss;
669	}	695	}
670		696
671	/ coroutine stack handling **********************************************/	697	/ coroutine stack handling **********************************************/
		698
		699	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		700	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		701	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		702
		703	/* apparently < 5.8.8 */
		704	#ifndef MgPV_nolen_const
		705	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		706	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		707	(const char*)(mg)->mg_ptr)
		708	#endif
		709
		710	/*
		711	* This overrides the default magic get method of %SIG elements.
		712	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		713	* and instead of tryign to save and restore the hash elements, we just provide
		714	* readback here.
		715	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		716	* not expecting this to actually change the hook. This is a potential problem
		717	* when a schedule happens then, but we ignore this.
		718	*/
		719	static int
		720	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		721	{
		722	const char *s = MgPV_nolen_const (mg);
		723
		724	if (*s == '_')
		725	{
		726	SV **svp = 0;
		727
		728	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		729	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		730
		731	if (svp)
		732	{
		733	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		734	return 0;
		735	}
		736	}
		737
		738	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		739	}
		740
		741	static int
		742	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		743	{
		744	const char *s = MgPV_nolen_const (mg);
		745
		746	if (*s == '_')
		747	{
		748	SV **svp = 0;
		749
		750	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		751	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		752
		753	if (svp)
		754	{
		755	SV old = svp;
		756	*svp = 0;
		757	SvREFCNT_dec (old);
		758	return 0;
		759	}
		760	}
		761
		762	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		763	}
		764
		765	static int
		766	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		767	{
		768	const char *s = MgPV_nolen_const (mg);
		769
		770	if (*s == '_')
		771	{
		772	SV **svp = 0;
		773
		774	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		775	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		776
		777	if (svp)
		778	{
		779	SV old = svp;
		780	*svp = newSVsv (sv);
		781	SvREFCNT_dec (old);
		782	return 0;
		783	}
		784	}
		785
		786	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		787	}
672		788
673	static void	789	static void
674	coro_setup (pTHX_ struct coro *coro)	790	coro_setup (pTHX_ struct coro *coro)
675	{	791	{
676	/*	792	/*
…		…
685	PL_curpm = 0;	801	PL_curpm = 0;
686	PL_curpad = 0;	802	PL_curpad = 0;
687	PL_localizing = 0;	803	PL_localizing = 0;
688	PL_dirty = 0;	804	PL_dirty = 0;
689	PL_restartop = 0;	805	PL_restartop = 0;
		806	#if PERL_VERSION_ATLEAST (5,10,0)
		807	PL_parser = 0;
		808	#endif
		809
		810	/* recreate the die/warn hooks */
690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);	811	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);	812	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692		813
693	GvSV (PL_defgv) = newSV (0);	814	GvSV (PL_defgv) = newSV (0);
694	GvAV (PL_defgv) = coro->args; coro->args = 0;	815	GvAV (PL_defgv) = coro->args; coro->args = 0;
695	GvSV (PL_errgv) = newSV (0);	816	GvSV (PL_errgv) = newSV (0);
696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	817	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
697	PL_rs = newSVsv (GvSV (irsgv));	818	PL_rs = newSVsv (GvSV (irsgv));
698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	819	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
699		820
700	{	821	{
701	dSP;	822	dSP;
702	LOGOP myop;	823	LOGOP myop;
703		824
…		…
799	: cx->blk_gimme == G_SCALAR ? bot + 1	920	: cx->blk_gimme == G_SCALAR ? bot + 1
800	: bot;	921	: bot;
801		922
802	av_extend (av, top - bot);	923	av_extend (av, top - bot);
803	while (bot < top)	924	while (bot < top)
804	av_push (av, SvREFCNT_inc (*bot++));	925	av_push (av, SvREFCNT_inc_NN (*bot++));
805		926
806	PL_runops = RUNOPS_DEFAULT;	927	PL_runops = RUNOPS_DEFAULT;
807	ENTER;	928	ENTER;
808	SAVETMPS;	929	SAVETMPS;
809	EXTEND (SP, 3);	930	EXTEND (SP, 3);
…		…
847	SAVETMPS;	968	SAVETMPS;
848	EXTEND (SP, 3);	969	EXTEND (SP, 3);
849	PUSHMARK (SP);	970	PUSHMARK (SP);
850	PUSHs (&PL_sv_yes);	971	PUSHs (&PL_sv_yes);
851	PUSHs (fullname);	972	PUSHs (fullname);
852	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	973	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853	PUTBACK;	974	PUTBACK;
854	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	975	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);	976	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
856	SPAGAIN;	977	SPAGAIN;
857	FREETMPS;	978	FREETMPS;
…		…
1073	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1194	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1074		1195
1075	if (expect_false (next->flags & CF_DESTROYED))	1196	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");	1197	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1077		1198
1078	if (
1079	#if PERL_VERSION_ATLEAST (5,9,0)	1199	#if !PERL_VERSION_ATLEAST (5,10,0)
1080	expect_false (PL_parser)
1081	#else
1082	expect_false (PL_lex_state != LEX_NOTPARSING)	1200	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083	#endif
1084	)
1085	croak ("Coro::State::transfer called while parsing, but this is not supported");	1201	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1202	#endif
1086	}	1203	}
1087	}	1204	}
1088		1205
1089	/* always use the TRANSFER macro */	1206	/* always use the TRANSFER macro */
1090	static void NOINLINE	1207	static void NOINLINE
1091	transfer (pTHX_ struct coro prev, struct coro next)	1208	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1092	{	1209	{
1093	dSTACKLEVEL;	1210	dSTACKLEVEL;
		1211	static volatile int has_throw;
1094		1212
1095	/* sometimes transfer is only called to set idle_sp */	1213	/* sometimes transfer is only called to set idle_sp */
1096	if (expect_false (!next))	1214	if (expect_false (!next))
1097	{	1215	{
1098	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1216	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1113	prev->flags &= ~CF_RUNNING;	1231	prev->flags &= ~CF_RUNNING;
1114	next->flags \|= CF_RUNNING;	1232	next->flags \|= CF_RUNNING;
1115		1233
1116	LOCK;	1234	LOCK;
1117		1235
		1236	/* first get rid of the old state */
		1237	save_perl (aTHX_ prev);
		1238
1118	if (expect_false (next->flags & CF_NEW))	1239	if (expect_false (next->flags & CF_NEW))
1119	{	1240	{
1120	/* need to start coroutine */	1241	/* need to start coroutine */
1121	next->flags &= ~CF_NEW;	1242	next->flags &= ~CF_NEW;
1122	/* first get rid of the old state */
1123	save_perl (aTHX_ prev);
1124	/* setup coroutine call */	1243	/* setup coroutine call */
1125	coro_setup (aTHX_ next);	1244	coro_setup (aTHX_ next);
1126	}	1245	}
1127	else	1246	else
1128	{
1129	/* coroutine already started */
1130	save_perl (aTHX_ prev);
1131	load_perl (aTHX_ next);	1247	load_perl (aTHX_ next);
1132	}
1133		1248
1134	prev__cctx = prev->cctx;	1249	prev__cctx = prev->cctx;
1135		1250
1136	/* possibly "free" the cctx */	1251	/* possibly "free" the cctx */
1137	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1252	if (expect_true (
		1253	prev__cctx->idle_sp == STACKLEVEL
		1254	&& !(prev__cctx->flags & CC_TRACE)
		1255	&& !force_cctx
		1256	))
1138	{	1257	{
1139	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1258	/* 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));	1259	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1141		1260
1142	prev->cctx = 0;	1261	prev->cctx = 0;
…		…
1152		1271
1153	++next->usecount;	1272	++next->usecount;
1154		1273
1155	if (expect_true (!next->cctx))	1274	if (expect_true (!next->cctx))
1156	next->cctx = cctx_get (aTHX);	1275	next->cctx = cctx_get (aTHX);
		1276
		1277	has_throw = !!next->throw;
1157		1278
1158	if (expect_false (prev__cctx != next->cctx))	1279	if (expect_false (prev__cctx != next->cctx))
1159	{	1280	{
1160	prev__cctx->top_env = PL_top_env;	1281	prev__cctx->top_env = PL_top_env;
1161	PL_top_env = next->cctx->top_env;	1282	PL_top_env = next->cctx->top_env;
…		…
1163	}	1284	}
1164		1285
1165	free_coro_mortal (aTHX);	1286	free_coro_mortal (aTHX);
1166	UNLOCK;	1287	UNLOCK;
1167		1288
1168	if (expect_false (prev->throw \|\| next->throw))	1289	if (expect_false (has_throw))
1169	{	1290	{
1170	struct coro *coro = SvSTATE (coro_current);	1291	struct coro *coro = SvSTATE (coro_current);
1171		1292
1172	if (coro->throw)	1293	if (coro->throw)
1173	{	1294	{
…		…
1183	struct transfer_args	1304	struct transfer_args
1184	{	1305	{
1185	struct coro prev, next;	1306	struct coro prev, next;
1186	};	1307	};
1187		1308
1188	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1309	#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)	1310	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190		1311
1191	/ high level stuff ******************************************************/	1312	/ high level stuff ******************************************************/
1192		1313
1193	static int	1314	static int
…		…
1287	{	1408	{
1288	dTHX;	1409	dTHX;
1289	struct transfer_args ta;	1410	struct transfer_args ta;
1290		1411
1291	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1412	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292	TRANSFER (ta);	1413	TRANSFER (ta, 1);
1293	}	1414	}
1294		1415
1295	/ Coro ******************************************************************/	1416	/ Coro ******************************************************************/
1296		1417
1297	static void	1418	static void
…		…
1299	{	1420	{
1300	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1421	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301	}	1422	}
1302		1423
1303	static SV *	1424	static SV *
1304	coro_deq (pTHX_ int min_prio)	1425	coro_deq (pTHX)
1305	{	1426	{
1306	int prio = PRIO_MAX - PRIO_MIN;	1427	int prio;
1307		1428
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; )	1429	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313	if (AvFILLp (coro_ready [prio]) >= 0)	1430	if (AvFILLp (coro_ready [prio]) >= 0)
1314	return av_shift (coro_ready [prio]);	1431	return av_shift (coro_ready [prio]);
1315		1432
1316	return 0;	1433	return 0;
1317	}	1434	}
…		…
1319	static int	1436	static int
1320	api_ready (SV *coro_sv)	1437	api_ready (SV *coro_sv)
1321	{	1438	{
1322	dTHX;	1439	dTHX;
1323	struct coro *coro;	1440	struct coro *coro;
		1441	SV *sv_hook;
		1442	void (*xs_hook)(void);
1324		1443
1325	if (SvROK (coro_sv))	1444	if (SvROK (coro_sv))
1326	coro_sv = SvRV (coro_sv);	1445	coro_sv = SvRV (coro_sv);
1327		1446
1328	coro = SvSTATE (coro_sv);	1447	coro = SvSTATE (coro_sv);
…		…
1331	return 0;	1450	return 0;
1332		1451
1333	coro->flags \|= CF_READY;	1452	coro->flags \|= CF_READY;
1334		1453
1335	LOCK;	1454	LOCK;
		1455
		1456	sv_hook = coro_nready ? 0 : coro_readyhook;
		1457	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1458
1336	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1459	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1337	++coro_nready;	1460	++coro_nready;
		1461
1338	UNLOCK;	1462	UNLOCK;
		1463
		1464	if (sv_hook)
		1465	{
		1466	dSP;
		1467
		1468	ENTER;
		1469	SAVETMPS;
		1470
		1471	PUSHMARK (SP);
		1472	PUTBACK;
		1473	call_sv (sv_hook, G_DISCARD);
		1474	SPAGAIN;
		1475
		1476	FREETMPS;
		1477	LEAVE;
		1478	}
		1479
		1480	if (xs_hook)
		1481	xs_hook ();
1339		1482
1340	return 1;	1483	return 1;
1341	}	1484	}
1342		1485
1343	static int	1486	static int
…		…
1353	SV prev_sv, next_sv;	1496	SV prev_sv, next_sv;
1354		1497
1355	for (;;)	1498	for (;;)
1356	{	1499	{
1357	LOCK;	1500	LOCK;
1358	next_sv = coro_deq (aTHX_ PRIO_MIN);	1501	next_sv = coro_deq (aTHX);
1359		1502
1360	/* nothing to schedule: call the idle handler */	1503	/* nothing to schedule: call the idle handler */
1361	if (expect_false (!next_sv))	1504	if (expect_false (!next_sv))
1362	{	1505	{
1363	dSP;	1506	dSP;
…		…
1367	SAVETMPS;	1510	SAVETMPS;
1368		1511
1369	PUSHMARK (SP);	1512	PUSHMARK (SP);
1370	PUTBACK;	1513	PUTBACK;
1371	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1514	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1515	SPAGAIN;
1372		1516
1373	FREETMPS;	1517	FREETMPS;
1374	LEAVE;	1518	LEAVE;
1375	continue;	1519	continue;
1376	}	1520	}
…		…
1431	{	1575	{
1432	dTHX;	1576	dTHX;
1433	struct transfer_args ta;	1577	struct transfer_args ta;
1434		1578
1435	prepare_schedule (aTHX_ &ta);	1579	prepare_schedule (aTHX_ &ta);
1436	TRANSFER (ta);	1580	TRANSFER (ta, 1);
1437	}	1581	}
1438		1582
1439	static int	1583	static int
1440	api_cede (void)	1584	api_cede (void)
1441	{	1585	{
…		…
1444		1588
1445	prepare_cede (aTHX_ &ta);	1589	prepare_cede (aTHX_ &ta);
1446		1590
1447	if (expect_true (ta.prev != ta.next))	1591	if (expect_true (ta.prev != ta.next))
1448	{	1592	{
1449	TRANSFER (ta);	1593	TRANSFER (ta, 1);
1450	return 1;	1594	return 1;
1451	}	1595	}
1452	else	1596	else
1453	return 0;	1597	return 0;
1454	}	1598	}
…		…
1459	dTHX;	1603	dTHX;
1460	struct transfer_args ta;	1604	struct transfer_args ta;
1461		1605
1462	if (prepare_cede_notself (aTHX_ &ta))	1606	if (prepare_cede_notself (aTHX_ &ta))
1463	{	1607	{
1464	TRANSFER (ta);	1608	TRANSFER (ta, 1);
1465	return 1;	1609	return 1;
1466	}	1610	}
1467	else	1611	else
1468	return 0;	1612	return 0;
1469	}	1613	}
…		…
1492	else	1636	else
1493	coro->slot->runops = RUNOPS_DEFAULT;	1637	coro->slot->runops = RUNOPS_DEFAULT;
1494	}	1638	}
1495	}	1639	}
1496		1640
		1641	static int
		1642	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1643	{
		1644	AV *padlist;
		1645	AV av = (AV )mg->mg_obj;
		1646
		1647	abort ();
		1648
		1649	return 0;
		1650	}
		1651
		1652	static MGVTBL coro_gensub_vtbl = {
		1653	0, 0, 0, 0,
		1654	coro_gensub_free
		1655	};
		1656
		1657	/*****************************************************************************/
		1658	/* PerlIO::cede */
		1659
		1660	typedef struct
		1661	{
		1662	PerlIOBuf base;
		1663	NV next, every;
		1664	} PerlIOCede;
		1665
		1666	static IV
		1667	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1668	{
		1669	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1670
		1671	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1672	self->next = nvtime () + self->every;
		1673
		1674	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1675	}
		1676
		1677	static SV *
		1678	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1679	{
		1680	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1681
		1682	return newSVnv (self->every);
		1683	}
		1684
		1685	static IV
		1686	PerlIOCede_flush (pTHX_ PerlIO *f)
		1687	{
		1688	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1689	double now = nvtime ();
		1690
		1691	if (now >= self->next)
		1692	{
		1693	api_cede ();
		1694	self->next = now + self->every;
		1695	}
		1696
		1697	return PerlIOBuf_flush (aTHX_ f);
		1698	}
		1699
		1700	static PerlIO_funcs PerlIO_cede =
		1701	{
		1702	sizeof(PerlIO_funcs),
		1703	"cede",
		1704	sizeof(PerlIOCede),
		1705	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1706	PerlIOCede_pushed,
		1707	PerlIOBuf_popped,
		1708	PerlIOBuf_open,
		1709	PerlIOBase_binmode,
		1710	PerlIOCede_getarg,
		1711	PerlIOBase_fileno,
		1712	PerlIOBuf_dup,
		1713	PerlIOBuf_read,
		1714	PerlIOBuf_unread,
		1715	PerlIOBuf_write,
		1716	PerlIOBuf_seek,
		1717	PerlIOBuf_tell,
		1718	PerlIOBuf_close,
		1719	PerlIOCede_flush,
		1720	PerlIOBuf_fill,
		1721	PerlIOBase_eof,
		1722	PerlIOBase_error,
		1723	PerlIOBase_clearerr,
		1724	PerlIOBase_setlinebuf,
		1725	PerlIOBuf_get_base,
		1726	PerlIOBuf_bufsiz,
		1727	PerlIOBuf_get_ptr,
		1728	PerlIOBuf_get_cnt,
		1729	PerlIOBuf_set_ptrcnt,
		1730	};
		1731
		1732
1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1733	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1498		1734
1499	PROTOTYPES: DISABLE	1735	PROTOTYPES: DISABLE
1500		1736
1501	BOOT:	1737	BOOT:
…		…
1506	BOOT_PAGESIZE;	1742	BOOT_PAGESIZE;
1507		1743
1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1744	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1745	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1510		1746
		1747	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1748	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1749	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1750
1511	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1751	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512	sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE);	1752	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513	sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE);	1753	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		1754
1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1755	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519		1756
1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1757	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1758	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1526	main_top_env = PL_top_env;	1763	main_top_env = PL_top_env;
1527		1764
1528	while (main_top_env->je_prev)	1765	while (main_top_env->je_prev)
1529	main_top_env = main_top_env->je_prev;	1766	main_top_env = main_top_env->je_prev;
1530		1767
1531	coroapi.ver = CORO_API_VERSION;	1768	coroapi.ver = CORO_API_VERSION;
1532	coroapi.rev = CORO_API_REVISION;	1769	coroapi.rev = CORO_API_REVISION;
1533	coroapi.transfer = api_transfer;	1770	coroapi.transfer = api_transfer;
		1771
		1772	{
		1773	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1774
		1775	if (!svp) croak ("Time::HiRes is required");
		1776	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1777
		1778	nvtime = INT2PTR (double ()(), SvIV (svp));
		1779	}
1534		1780
1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1781	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1536	}	1782	}
1537		1783
1538	SV *	1784	SV *
1539	new (char *klass, ...)	1785	new (char *klass, ...)
1540	CODE:	1786	CODE:
1541	{	1787	{
1542	struct coro *coro;	1788	struct coro *coro;
		1789	MAGIC *mg;
1543	HV *hv;	1790	HV *hv;
1544	int i;	1791	int i;
1545		1792
1546	Newz (0, coro, 1, struct coro);	1793	Newz (0, coro, 1, struct coro);
1547	coro->args = newAV ();	1794	coro->args = newAV ();
…		…
1550	if (coro_first) coro_first->prev = coro;	1797	if (coro_first) coro_first->prev = coro;
1551	coro->next = coro_first;	1798	coro->next = coro_first;
1552	coro_first = coro;	1799	coro_first = coro;
1553		1800
1554	coro->hv = hv = newHV ();	1801	coro->hv = hv = newHV ();
1555	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1802	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1803	mg->mg_flags \|= MGf_DUP;
1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1804	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557		1805
1558	av_extend (coro->args, items - 1);	1806	av_extend (coro->args, items - 1);
1559	for (i = 1; i < items; i++)	1807	for (i = 1; i < items; i++)
1560	av_push (coro->args, newSVsv (ST (i)));	1808	av_push (coro->args, newSVsv (ST (i)));
…		…
1574	Coro::cede_notself = 4	1822	Coro::cede_notself = 4
1575	CODE:	1823	CODE:
1576	{	1824	{
1577	struct transfer_args ta;	1825	struct transfer_args ta;
1578		1826
		1827	PUTBACK;
1579	switch (ix)	1828	switch (ix)
1580	{	1829	{
1581	case 0:	1830	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1831	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1832	ta.next = 0;
…		…
1602	if (!prepare_cede_notself (aTHX_ &ta))	1851	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1852	XSRETURN_EMPTY;
1604		1853
1605	break;	1854	break;
1606	}	1855	}
		1856	SPAGAIN;
1607		1857
1608	BARRIER;	1858	BARRIER;
1609	PUTBACK;	1859	PUTBACK;
1610	TRANSFER (ta);	1860	TRANSFER (ta, 0);
1611	SPAGAIN; /* might be the sp of a different coroutine now */	1861	SPAGAIN; /* might be the sp of a different coroutine now */
1612	/* be extra careful not to ever do anything after TRANSFER */	1862	/* be extra careful not to ever do anything after TRANSFER */
1613	}	1863	}
1614		1864
1615	bool	1865	bool
…		…
1618	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1868	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1619	OUTPUT:	1869	OUTPUT:
1620	RETVAL	1870	RETVAL
1621		1871
1622	void	1872	void
1623	_exit (code)	1873	_exit (int code)
1624	int code
1625	PROTOTYPE: $	1874	PROTOTYPE: $
1626	CODE:	1875	CODE:
1627	_exit (code);	1876	_exit (code);
1628		1877
1629	int	1878	int
…		…
1663	call (Coro::State coro, SV *coderef)	1912	call (Coro::State coro, SV *coderef)
1664	ALIAS:	1913	ALIAS:
1665	eval = 1	1914	eval = 1
1666	CODE:	1915	CODE:
1667	{	1916	{
1668	if (coro->mainstack)	1917	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1669	{	1918	{
1670	struct coro temp;	1919	struct coro temp;
1671		1920
1672	if (!(coro->flags & CF_RUNNING))	1921	if (!(coro->flags & CF_RUNNING))
1673	{	1922	{
		1923	PUTBACK;
1674	save_perl (aTHX_ &temp);	1924	save_perl (aTHX_ &temp);
1675	load_perl (aTHX_ coro);	1925	load_perl (aTHX_ coro);
1676	}	1926	}
1677		1927
1678	{	1928	{
…		…
1697		1947
1698	if (!(coro->flags & CF_RUNNING))	1948	if (!(coro->flags & CF_RUNNING))
1699	{	1949	{
1700	save_perl (aTHX_ coro);	1950	save_perl (aTHX_ coro);
1701	load_perl (aTHX_ &temp);	1951	load_perl (aTHX_ &temp);
		1952	SPAGAIN;
1702	}	1953	}
1703	}	1954	}
1704	}	1955	}
1705		1956
1706	SV *	1957	SV *
…		…
1718		1969
1719	void	1970	void
1720	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1971	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1721		1972
1722	SV *	1973	SV *
1723	has_stack (Coro::State coro)	1974	has_cctx (Coro::State coro)
1724	PROTOTYPE: $	1975	PROTOTYPE: $
1725	CODE:	1976	CODE:
1726	RETVAL = boolSV (!!coro->cctx);	1977	RETVAL = boolSV (!!coro->cctx);
1727	OUTPUT:	1978	OUTPUT:
1728	RETVAL	1979	RETVAL
…		…
1747	case 1: RETVAL = coro->usecount; break;	1998	case 1: RETVAL = coro->usecount; break;
1748	}	1999	}
1749	OUTPUT:	2000	OUTPUT:
1750	RETVAL	2001	RETVAL
1751		2002
		2003	void
		2004	force_cctx ()
		2005	CODE:
		2006	struct coro *coro = SvSTATE (coro_current);
		2007	coro->cctx->idle_sp = 0;
		2008
		2009	void
		2010	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2011	PROTOTYPE: $;$
		2012	CODE:
		2013	SvREFCNT_dec (self->throw);
		2014	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2015
		2016	void
		2017	swap_defsv (Coro::State self)
		2018	PROTOTYPE: $
		2019	ALIAS:
		2020	swap_defav = 1
		2021	CODE:
		2022	if (!self->slot)
		2023	croak ("cannot swap state with coroutine that has no saved state");
		2024	else
		2025	{
		2026	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2027	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2028
		2029	SV tmp = src; src = dst; *dst = tmp;
		2030	}
1752		2031
1753	MODULE = Coro::State PACKAGE = Coro	2032	MODULE = Coro::State PACKAGE = Coro
1754		2033
1755	BOOT:	2034	BOOT:
1756	{	2035	{
1757	int i;	2036	int i;
1758		2037
		2038	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1759	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2039	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1760	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2040	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1761	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1762		2041
1763	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2042	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1764	SvREADONLY_on (coro_current);	2043	SvREADONLY_on (coro_current);
1765		2044
1766	coro_stash = gv_stashpv ("Coro", TRUE);	2045	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1796	void	2075	void
1797	_set_current (SV *current)	2076	_set_current (SV *current)
1798	PROTOTYPE: $	2077	PROTOTYPE: $
1799	CODE:	2078	CODE:
1800	SvREFCNT_dec (SvRV (coro_current));	2079	SvREFCNT_dec (SvRV (coro_current));
1801	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2080	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2081
		2082	void
		2083	_set_readyhook (SV *hook)
		2084	PROTOTYPE: $
		2085	CODE:
		2086	LOCK;
		2087	SvREFCNT_dec (coro_readyhook);
		2088	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2089	UNLOCK;
1802		2090
1803	int	2091	int
1804	prio (Coro::State coro, int newprio = 0)	2092	prio (Coro::State coro, int newprio = 0)
1805	ALIAS:	2093	ALIAS:
1806	nice = 1	2094	nice = 1
…		…
1836	CODE:	2124	CODE:
1837	RETVAL = coro_nready;	2125	RETVAL = coro_nready;
1838	OUTPUT:	2126	OUTPUT:
1839	RETVAL	2127	RETVAL
1840		2128
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	2129	# for async_pool speedup
1849	void	2130	void
1850	_pool_1 (SV *cb)	2131	_pool_1 (SV *cb)
1851	CODE:	2132	CODE:
1852	{	2133	{
…		…
1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2137	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857	AV *invoke_av;	2138	AV *invoke_av;
1858	int i, len;	2139	int i, len;
1859		2140
1860	if (!invoke)	2141	if (!invoke)
		2142	{
		2143	SV *old = PL_diehook;
		2144	PL_diehook = 0;
		2145	SvREFCNT_dec (old);
1861	croak ("\3async_pool terminate\2\n");	2146	croak ("\3async_pool terminate\2\n");
		2147	}
1862		2148
1863	SvREFCNT_dec (coro->saved_deffh);	2149	SvREFCNT_dec (coro->saved_deffh);
1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2150	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1865		2151
1866	hv_store (hv, "desc", sizeof ("desc") - 1,	2152	hv_store (hv, "desc", sizeof ("desc") - 1,
1867	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2153	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1868		2154
1869	invoke_av = (AV *)SvRV (invoke);	2155	invoke_av = (AV *)SvRV (invoke);
…		…
1873		2159
1874	if (len > 0)	2160	if (len > 0)
1875	{	2161	{
1876	av_fill (defav, len - 1);	2162	av_fill (defav, len - 1);
1877	for (i = 0; i < len; ++i)	2163	for (i = 0; i < len; ++i)
1878	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2164	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1879	}	2165	}
1880		2166
1881	SvREFCNT_dec (invoke);	2167	SvREFCNT_dec (invoke);
1882	}	2168	}
1883		2169
…		…
1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2178	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1893	coro->saved_deffh = 0;	2179	coro->saved_deffh = 0;
1894		2180
1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2181	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2182	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2183	{
		2184	SV *old = PL_diehook;
		2185	PL_diehook = 0;
		2186	SvREFCNT_dec (old);
1897	croak ("\3async_pool terminate\2\n");	2187	croak ("\3async_pool terminate\2\n");
		2188	}
1898		2189
1899	av_clear (GvAV (PL_defgv));	2190	av_clear (GvAV (PL_defgv));
1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2191	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2192	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902		2193
…		…
1906	api_trace (coro_current, 0);	2197	api_trace (coro_current, 0);
1907		2198
1908	av_push (av_async_pool, newSVsv (coro_current));	2199	av_push (av_async_pool, newSVsv (coro_current));
1909	}	2200	}
1910		2201
		2202	#if 0
		2203
		2204	void
		2205	_generator_call (...)
		2206	PROTOTYPE: @
		2207	PPCODE:
		2208	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2209	xxxx
		2210	abort ();
		2211
		2212	SV *
		2213	gensub (SV *sub, ...)
		2214	PROTOTYPE: &;@
		2215	CODE:
		2216	{
		2217	struct coro *coro;
		2218	MAGIC *mg;
		2219	CV *xcv;
		2220	CV ncv = (CV )newSV_type (SVt_PVCV);
		2221	int i;
		2222
		2223	CvGV (ncv) = CvGV (cv);
		2224	CvFILE (ncv) = CvFILE (cv);
		2225
		2226	Newz (0, coro, 1, struct coro);
		2227	coro->args = newAV ();
		2228	coro->flags = CF_NEW;
		2229
		2230	av_extend (coro->args, items - 1);
		2231	for (i = 1; i < items; i++)
		2232	av_push (coro->args, newSVsv (ST (i)));
		2233
		2234	CvISXSUB_on (ncv);
		2235	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2236
		2237	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2238
		2239	CvXSUB (ncv) = CvXSUB (xcv);
		2240	CvANON_on (ncv);
		2241
		2242	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2243	RETVAL = newRV_noinc ((SV *)ncv);
		2244	}
		2245	OUTPUT:
		2246	RETVAL
		2247
		2248	#endif
		2249
1911		2250
1912	MODULE = Coro::State PACKAGE = Coro::AIO	2251	MODULE = Coro::State PACKAGE = Coro::AIO
1913		2252
1914	SV *	2253	void
1915	_get_state ()	2254	_get_state (SV *self)
1916	CODE:	2255	PPCODE:
1917	{	2256	{
1918	struct io_state *data;	2257	AV *defav = GvAV (PL_defgv);
1919		2258	AV *av = newAV ();
		2259	int i;
1920	RETVAL = newSV (sizeof (struct io_state));	2260	SV *data_sv = newSV (sizeof (struct io_state));
1921	data = (struct io_state *)SvPVX (RETVAL);	2261	struct io_state data = (struct io_state )SvPVX (data_sv);
1922	SvCUR_set (RETVAL, sizeof (struct io_state));	2262	SvCUR_set (data_sv, sizeof (struct io_state));
1923	SvPOK_only (RETVAL);	2263	SvPOK_only (data_sv);
1924		2264
1925	data->errorno = errno;	2265	data->errorno = errno;
1926	data->laststype = PL_laststype;	2266	data->laststype = PL_laststype;
1927	data->laststatval = PL_laststatval;	2267	data->laststatval = PL_laststatval;
1928	data->statcache = PL_statcache;	2268	data->statcache = PL_statcache;
		2269
		2270	av_extend (av, AvFILLp (defav) + 1 + 1);
		2271
		2272	for (i = 0; i <= AvFILLp (defav); ++i)
		2273	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2274
		2275	av_push (av, data_sv);
		2276
		2277	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2278
		2279	api_ready (self);
1929	}	2280	}
1930	OUTPUT:
1931	RETVAL
1932		2281
1933	void	2282	void
1934	_set_state (char *data_)	2283	_set_state (SV *state)
1935	PROTOTYPE: $	2284	PROTOTYPE: $
1936	CODE:	2285	PPCODE:
1937	{	2286	{
1938	struct io_state data = (void )data_;	2287	AV av = (AV )SvRV (state);
		2288	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2289	int i;
1939		2290
1940	errno = data->errorno;	2291	errno = data->errorno;
1941	PL_laststype = data->laststype;	2292	PL_laststype = data->laststype;
1942	PL_laststatval = data->laststatval;	2293	PL_laststatval = data->laststatval;
1943	PL_statcache = data->statcache;	2294	PL_statcache = data->statcache;
1944	}
1945		2295
		2296	EXTEND (SP, AvFILLp (av));
		2297	for (i = 0; i < AvFILLp (av); ++i)
		2298	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2299	}
		2300
		2301
		2302	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2303
		2304	BOOT:
		2305	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2306
		2307	SV *
		2308	_schedule (...)
		2309	PROTOTYPE: @
		2310	CODE:
		2311	{
		2312	static int incede;
		2313
		2314	api_cede_notself ();
		2315
		2316	++incede;
		2317	while (coro_nready >= incede && api_cede ())
		2318	;
		2319
		2320	sv_setsv (sv_activity, &PL_sv_undef);
		2321	if (coro_nready >= incede)
		2322	{
		2323	PUSHMARK (SP);
		2324	PUTBACK;
		2325	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2326	SPAGAIN;
		2327	}
		2328
		2329	--incede;
		2330	}
		2331
		2332
		2333	MODULE = Coro::State PACKAGE = PerlIO::cede
		2334
		2335	BOOT:
		2336	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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+Removed lines
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Comparing Coro/Coro/State.xs (file contents): Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC vs. Revision 1.250 by root, Wed Oct 22 16:34:07 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC vs.
Revision 1.250 by root, Wed Oct 22 16:34:07 2008 UTC