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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs.
Revision 1.244 by root, Sun Sep 21 18:29:39 2008 UTC

…		…
10	#include "patchlevel.h"	10	#include "patchlevel.h"
11		11
12	#include <stdio.h>	12	#include <stdio.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <assert.h>	14	#include <assert.h>
		15
		16	#ifdef WIN32
		17	# undef setjmp
		18	# undef longjmp
		19	# undef _exit
		20	# define setjmp _setjmp // deep magic, don't ask
		21	#else
		22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
15		24
16	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
17	# include <unistd.h>	26	# include <unistd.h>
18	# include <sys/mman.h>	27	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
73	# endif	82	# endif
74	#endif	83	#endif
75		84
		85	/* 5.8.8 */
		86	#ifndef GV_NOTQUAL
		87	# define GV_NOTQUAL 0
		88	#endif
		89	#ifndef newSV
		90	# define newSV(l) NEWSV(0,l)
		91	#endif
		92
		93	/* 5.11 */
		94	#ifndef CxHASARGS
		95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		96	#endif
		97
76	/* 5.8.7 */	98	/* 5.8.7 */
77	#ifndef SvRV_set	99	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	100	# 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	101	#endif
88		102
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
91	#endif	105	#endif
…		…
130	#else	144	#else
131	# define LOCK (void)0	145	# define LOCK (void)0
132	# define UNLOCK (void)0	146	# define UNLOCK (void)0
133	#endif	147	#endif
134		148
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	149	/* helper storage struct for Coro::AIO */
138	struct io_state	150	struct io_state
139	{	151	{
140	int errorno;	152	int errorno;
141	I32 laststype;	153	I32 laststype;
…		…
146	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
152		164
153	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
155		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	169	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		170
160	/* async_pool helper stuff */	171	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	173	static SV *sv_pool_size;
163	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
164		178
165	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
167		181
168	enum {	182	enum {
…		…
254	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
255	#define PRIO_MIN -4	269	#define PRIO_MIN -4
256		270
257	/* for Coro.pm */	271	/* for Coro.pm */
258	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
260	static int coro_nready;	275	static int coro_nready;
261	static struct coro *coro_first;	276	static struct coro *coro_first;
262		277
263	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
264		279
265	static SV *	280	static SV *
266	coro_get_sv (const char *name, int create)	281	coro_get_sv (pTHX_ const char *name, int create)
267	{	282	{
268	#if PERL_VERSION_ATLEAST (5,9,0)	283	#if PERL_VERSION_ATLEAST (5,10,0)
269	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	284	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
270	get_sv (name, create);	285	get_sv (name, create);
271	#endif	286	#endif
272	return get_sv (name, create);	287	return get_sv (name, create);
273	}	288	}
274		289
275	static AV *	290	static AV *
276	coro_get_av (const char *name, int create)	291	coro_get_av (pTHX_ const char *name, int create)
277	{	292	{
278	#if PERL_VERSION_ATLEAST (5,9,0)	293	#if PERL_VERSION_ATLEAST (5,10,0)
279	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	294	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
280	get_av (name, create);	295	get_av (name, create);
281	#endif	296	#endif
282	return get_av (name, create);	297	return get_av (name, create);
283	}	298	}
284		299
285	static HV *	300	static HV *
286	coro_get_hv (const char *name, int create)	301	coro_get_hv (pTHX_ const char *name, int create)
287	{	302	{
288	#if PERL_VERSION_ATLEAST (5,9,0)	303	#if PERL_VERSION_ATLEAST (5,10,0)
289	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	304	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
290	get_hv (name, create);	305	get_hv (name, create);
291	#endif	306	#endif
292	return get_hv (name, create);	307	return get_hv (name, create);
293	}	308	}
…		…
298	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
299	AV newpadlist, newpad;	314	AV newpadlist, newpad;
300		315
301	newpadlist = newAV ();	316	newpadlist = newAV ();
302	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
303	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
305	#else	320	#else
306	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
307	#endif	322	#endif
308	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
351	SvREFCNT_dec (av);	366	SvREFCNT_dec (av);
352		367
353	return 0;	368	return 0;
354	}	369	}
355		370
356	#define PERL_MAGIC_coro PERL_MAGIC_ext	371	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		372	#define CORO_MAGIC_type_state PERL_MAGIC_ext
357		373
358	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	374	static MGVTBL coro_cv_vtbl = {
		375	0, 0, 0, 0,
		376	coro_cv_free
		377	};
359		378
360	#define CORO_MAGIC(cv) \	379	#define CORO_MAGIC(sv,type) \
361	SvMAGIC (cv) \	380	SvMAGIC (sv) \
362	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	381	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (cv) \	382	? SvMAGIC (sv) \
364	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	383	: mg_find (sv, type) \
365	: 0	384	: 0
		385
		386	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		387	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
366		388
367	static struct coro *	389	static struct coro *
368	SvSTATE_ (pTHX_ SV *coro)	390	SvSTATE_ (pTHX_ SV *coro)
369	{	391	{
370	HV *stash;	392	HV *stash;
…		…
382	/* very slow, but rare, check */	404	/* very slow, but rare, check */
383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
384	croak ("Coro::State object required");	406	croak ("Coro::State object required");
385	}	407	}
386		408
387	mg = CORO_MAGIC (coro);	409	mg = CORO_MAGIC_state (coro);
388	return (struct coro *)mg->mg_ptr;	410	return (struct coro *)mg->mg_ptr;
389	}	411	}
390		412
391	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
392		414
393	/* the next two functions merely cache the padlists */	415	/* the next two functions merely cache the padlists */
394	static void	416	static void
395	get_padlist (pTHX_ CV *cv)	417	get_padlist (pTHX_ CV *cv)
396	{	418	{
397	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC_cv (cv);
398	AV *av;	420	AV *av;
399		421
400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	422	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	423	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
402	else	424	else
403	{	425	{
404	#if CORO_PREFER_PERL_FUNCTIONS	426	#if CORO_PREFER_PERL_FUNCTIONS
405	/* this is probably cleaner, but also slower? */	427	/* this is probably cleaner? but also slower! */
		428	/* in practise, it seems to be less stable */
406	CV *cp = Perl_cv_clone (cv);	429	CV *cp = Perl_cv_clone (cv);
407	CvPADLIST (cv) = CvPADLIST (cp);	430	CvPADLIST (cv) = CvPADLIST (cp);
408	CvPADLIST (cp) = 0;	431	CvPADLIST (cp) = 0;
409	SvREFCNT_dec (cp);	432	SvREFCNT_dec (cp);
410	#else	433	#else
…		…
414	}	437	}
415		438
416	static void	439	static void
417	put_padlist (pTHX_ CV *cv)	440	put_padlist (pTHX_ CV *cv)
418	{	441	{
419	MAGIC *mg = CORO_MAGIC (cv);	442	MAGIC *mg = CORO_MAGIC_cv (cv);
420	AV *av;	443	AV *av;
421		444
422	if (expect_false (!mg))	445	if (expect_false (!mg))
423	{	446	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		447
430	av = (AV *)mg->mg_obj;	448	av = (AV *)mg->mg_obj;
431		449
432	if (expect_false (AvFILLp (av) >= AvMAX (av)))	450	if (expect_false (AvFILLp (av) >= AvMAX (av)))
433	av_extend (av, AvMAX (av) + 1);	451	av_extend (av, AvMAX (av) + 1);
…		…
451	GvSV (irsgv) = slot->irsgv;	469	GvSV (irsgv) = slot->irsgv;
452		470
453	#define VAR(name,type) PL_ ## name = slot->name;	471	#define VAR(name,type) PL_ ## name = slot->name;
454	# include "state.h"	472	# include "state.h"
455	#undef VAR	473	#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		474
460	{	475	{
461	dSP;	476	dSP;
462		477
463	CV *cv;	478	CV *cv;
…		…
502		517
503	if (expect_true (CvDEPTH (cv)))	518	if (expect_true (CvDEPTH (cv)))
504	{	519	{
505	EXTEND (SP, 3);	520	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	521	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	522	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	523	PUSHs ((SV *)cv);
509		524
510	CvDEPTH (cv) = 0;	525	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	526	get_padlist (aTHX_ cv);
512	}	527	}
…		…
592		607
593	New(54,PL_savestack,24,ANY);	608	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	609	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	610	PL_savestack_max = 24;
596		611
597	#if !PERL_VERSION_ATLEAST (5,9,0)	612	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	613	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	614	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	615	PL_retstack_max = 4;
601	#endif	616	#endif
602	}	617	}
…		…
625		640
626	Safefree (PL_tmps_stack);	641	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	642	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	643	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	644	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	645	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	646	Safefree (PL_retstack);
632	#endif	647	#endif
633	}	648	}
634		649
635	static size_t	650	static size_t
…		…
659	rss += slot->tmps_max * sizeof (SV *);	674	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	675	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	676	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	677	rss += slot->savestack_max * sizeof (ANY);
663		678
664	#if !PERL_VERSION_ATLEAST (5,9,0)	679	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	680	rss += slot->retstack_max * sizeof (OP *);
666	#endif	681	#endif
667	}	682	}
668		683
669	return rss;	684	return rss;
670	}	685	}
671		686
672	/ coroutine stack handling **********************************************/	687	/ coroutine stack handling **********************************************/
		688
		689	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		690	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		691	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		692
		693	/* apparently < 5.8.8 */
		694	#ifndef MgPV_nolen_const
		695	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		696	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		697	(const char*)(mg)->mg_ptr)
		698	#endif
		699
		700	/*
		701	* This overrides the default magic get method of %SIG elements.
		702	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		703	* and instead of tryign to save and restore the hash elements, we just provide
		704	* readback here.
		705	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		706	* not expecting this to actually change the hook. This is a potential problem
		707	* when a schedule happens then, but we ignore this.
		708	*/
		709	static int
		710	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		711	{
		712	const char *s = MgPV_nolen_const (mg);
		713
		714	if (*s == '_')
		715	{
		716	SV **svp = 0;
		717
		718	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		719	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		720
		721	if (svp)
		722	{
		723	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		724	return 0;
		725	}
		726	}
		727
		728	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		729	}
		730
		731	static int
		732	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		733	{
		734	const char *s = MgPV_nolen_const (mg);
		735
		736	if (*s == '_')
		737	{
		738	SV **svp = 0;
		739
		740	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		741	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		742
		743	if (svp)
		744	{
		745	SV old = svp;
		746	*svp = 0;
		747	SvREFCNT_dec (old);
		748	return 0;
		749	}
		750	}
		751
		752	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		753	}
		754
		755	static int
		756	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		757	{
		758	const char *s = MgPV_nolen_const (mg);
		759
		760	if (*s == '_')
		761	{
		762	SV **svp = 0;
		763
		764	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		765	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		766
		767	if (svp)
		768	{
		769	SV old = svp;
		770	*svp = newSVsv (sv);
		771	SvREFCNT_dec (old);
		772	return 0;
		773	}
		774	}
		775
		776	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		777	}
673		778
674	static void	779	static void
675	coro_setup (pTHX_ struct coro *coro)	780	coro_setup (pTHX_ struct coro *coro)
676	{	781	{
677	/*	782	/*
…		…
686	PL_curpm = 0;	791	PL_curpm = 0;
687	PL_curpad = 0;	792	PL_curpad = 0;
688	PL_localizing = 0;	793	PL_localizing = 0;
689	PL_dirty = 0;	794	PL_dirty = 0;
690	PL_restartop = 0;	795	PL_restartop = 0;
691	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	796	#if PERL_VERSION_ATLEAST (5,10,0)
692	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	797	PL_parser = 0;
		798	#endif
		799
		800	/* recreate the die/warn hooks */
		801	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		802	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
693		803
694	GvSV (PL_defgv) = newSV (0);	804	GvSV (PL_defgv) = newSV (0);
695	GvAV (PL_defgv) = coro->args; coro->args = 0;	805	GvAV (PL_defgv) = coro->args; coro->args = 0;
696	GvSV (PL_errgv) = newSV (0);	806	GvSV (PL_errgv) = newSV (0);
697	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	807	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
712	PL_op = (OP *)&myop;	822	PL_op = (OP *)&myop;
713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	823	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714	SPAGAIN;	824	SPAGAIN;
715	}	825	}
716		826
717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	827	/* this newly created coroutine might be run on an existing cctx which most
		828	* likely was suspended in set_stacklevel, called from entersub.
		829	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		830	* so we ENTER here for symmetry
		831	*/
		832	ENTER;
718	}	833	}
719		834
720	static void	835	static void
721	coro_destroy (pTHX_ struct coro *coro)	836	coro_destroy (pTHX_ struct coro *coro)
722	{	837	{
…		…
806	PUSHMARK (SP);	921	PUSHMARK (SP);
807	PUSHs (&PL_sv_no);	922	PUSHs (&PL_sv_no);
808	PUSHs (fullname);	923	PUSHs (fullname);
809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	924	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810	PUTBACK;	925	PUTBACK;
811	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	926	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);	927	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
813	SPAGAIN;	928	SPAGAIN;
814	FREETMPS;	929	FREETMPS;
815	LEAVE;	930	LEAVE;
816	PL_runops = runops_trace;	931	PL_runops = runops_trace;
…		…
843	SAVETMPS;	958	SAVETMPS;
844	EXTEND (SP, 3);	959	EXTEND (SP, 3);
845	PUSHMARK (SP);	960	PUSHMARK (SP);
846	PUSHs (&PL_sv_yes);	961	PUSHs (&PL_sv_yes);
847	PUSHs (fullname);	962	PUSHs (fullname);
848	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	963	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
849	PUTBACK;	964	PUTBACK;
850	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	965	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);	966	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
852	SPAGAIN;	967	SPAGAIN;
853	FREETMPS;	968	FREETMPS;
854	LEAVE;	969	LEAVE;
855	PL_runops = runops_trace;	970	PL_runops = runops_trace;
…		…
869	PL_runops = RUNOPS_DEFAULT;	984	PL_runops = RUNOPS_DEFAULT;
870	PUSHMARK (SP);	985	PUSHMARK (SP);
871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	986	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	987	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873	PUTBACK;	988	PUTBACK;
874	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	989	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);	990	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
876	SPAGAIN;	991	SPAGAIN;
877	FREETMPS;	992	FREETMPS;
878	LEAVE;	993	LEAVE;
879	PL_runops = runops_trace;	994	PL_runops = runops_trace;
…		…
1069	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1184	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1070		1185
1071	if (expect_false (next->flags & CF_DESTROYED))	1186	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");	1187	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1073		1188
1074	if (
1075	#if PERL_VERSION_ATLEAST (5,9,0)	1189	#if !PERL_VERSION_ATLEAST (5,10,0)
1076	expect_false (PL_parser)
1077	#else
1078	expect_false (PL_lex_state != LEX_NOTPARSING)	1190	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079	#endif
1080	)
1081	croak ("Coro::State::transfer called while parsing, but this is not supported");	1191	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1192	#endif
1082	}	1193	}
1083	}	1194	}
1084		1195
1085	/* always use the TRANSFER macro */	1196	/* always use the TRANSFER macro */
1086	static void NOINLINE	1197	static void NOINLINE
1087	transfer (pTHX_ struct coro prev, struct coro next)	1198	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1088	{	1199	{
1089	dSTACKLEVEL;	1200	dSTACKLEVEL;
		1201	static volatile int has_throw;
1090		1202
1091	/* sometimes transfer is only called to set idle_sp */	1203	/* sometimes transfer is only called to set idle_sp */
1092	if (expect_false (!next))	1204	if (expect_false (!next))
1093	{	1205	{
1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1206	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1109	prev->flags &= ~CF_RUNNING;	1221	prev->flags &= ~CF_RUNNING;
1110	next->flags \|= CF_RUNNING;	1222	next->flags \|= CF_RUNNING;
1111		1223
1112	LOCK;	1224	LOCK;
1113		1225
		1226	/* first get rid of the old state */
		1227	save_perl (aTHX_ prev);
		1228
1114	if (expect_false (next->flags & CF_NEW))	1229	if (expect_false (next->flags & CF_NEW))
1115	{	1230	{
1116	/* need to start coroutine */	1231	/* need to start coroutine */
1117	next->flags &= ~CF_NEW;	1232	next->flags &= ~CF_NEW;
1118	/* first get rid of the old state */
1119	save_perl (aTHX_ prev);
1120	/* setup coroutine call */	1233	/* setup coroutine call */
1121	coro_setup (aTHX_ next);	1234	coro_setup (aTHX_ next);
1122	}	1235	}
1123	else	1236	else
1124	{
1125	/* coroutine already started */
1126	save_perl (aTHX_ prev);
1127	load_perl (aTHX_ next);	1237	load_perl (aTHX_ next);
1128	}
1129		1238
1130	prev__cctx = prev->cctx;	1239	prev__cctx = prev->cctx;
1131		1240
1132	/* possibly "free" the cctx */	1241	/* possibly "free" the cctx */
1133	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1242	if (expect_true (
		1243	prev__cctx->idle_sp == STACKLEVEL
		1244	&& !(prev__cctx->flags & CC_TRACE)
		1245	&& !force_cctx
		1246	))
1134	{	1247	{
1135	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1248	/* 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));	1249	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1137		1250
1138	prev->cctx = 0;	1251	prev->cctx = 0;
…		…
1148		1261
1149	++next->usecount;	1262	++next->usecount;
1150		1263
1151	if (expect_true (!next->cctx))	1264	if (expect_true (!next->cctx))
1152	next->cctx = cctx_get (aTHX);	1265	next->cctx = cctx_get (aTHX);
		1266
		1267	has_throw = !!next->throw;
1153		1268
1154	if (expect_false (prev__cctx != next->cctx))	1269	if (expect_false (prev__cctx != next->cctx))
1155	{	1270	{
1156	prev__cctx->top_env = PL_top_env;	1271	prev__cctx->top_env = PL_top_env;
1157	PL_top_env = next->cctx->top_env;	1272	PL_top_env = next->cctx->top_env;
…		…
1159	}	1274	}
1160		1275
1161	free_coro_mortal (aTHX);	1276	free_coro_mortal (aTHX);
1162	UNLOCK;	1277	UNLOCK;
1163		1278
1164	if (expect_false (prev->throw \|\| next->throw))	1279	if (expect_false (has_throw))
1165	{	1280	{
1166	struct coro *coro = SvSTATE (coro_current);	1281	struct coro *coro = SvSTATE (coro_current);
1167		1282
1168	if (coro->throw)	1283	if (coro->throw)
1169	{	1284	{
…		…
1179	struct transfer_args	1294	struct transfer_args
1180	{	1295	{
1181	struct coro prev, next;	1296	struct coro prev, next;
1182	};	1297	};
1183		1298
1184	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1299	#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)	1300	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1186		1301
1187	/ high level stuff ******************************************************/	1302	/ high level stuff ******************************************************/
1188		1303
1189	static int	1304	static int
…		…
1283	{	1398	{
1284	dTHX;	1399	dTHX;
1285	struct transfer_args ta;	1400	struct transfer_args ta;
1286		1401
1287	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1402	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1288	TRANSFER (ta);	1403	TRANSFER (ta, 1);
1289	}	1404	}
1290		1405
1291	/ Coro ******************************************************************/	1406	/ Coro ******************************************************************/
1292		1407
1293	static void	1408	static void
…		…
1295	{	1410	{
1296	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1411	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1297	}	1412	}
1298		1413
1299	static SV *	1414	static SV *
1300	coro_deq (pTHX_ int min_prio)	1415	coro_deq (pTHX)
1301	{	1416	{
1302	int prio = PRIO_MAX - PRIO_MIN;	1417	int prio;
1303		1418
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; )	1419	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1309	if (AvFILLp (coro_ready [prio]) >= 0)	1420	if (AvFILLp (coro_ready [prio]) >= 0)
1310	return av_shift (coro_ready [prio]);	1421	return av_shift (coro_ready [prio]);
1311		1422
1312	return 0;	1423	return 0;
1313	}	1424	}
…		…
1315	static int	1426	static int
1316	api_ready (SV *coro_sv)	1427	api_ready (SV *coro_sv)
1317	{	1428	{
1318	dTHX;	1429	dTHX;
1319	struct coro *coro;	1430	struct coro *coro;
		1431	SV *sv_hook;
		1432	void (*xs_hook)(void);
1320		1433
1321	if (SvROK (coro_sv))	1434	if (SvROK (coro_sv))
1322	coro_sv = SvRV (coro_sv);	1435	coro_sv = SvRV (coro_sv);
1323		1436
1324	coro = SvSTATE (coro_sv);	1437	coro = SvSTATE (coro_sv);
…		…
1327	return 0;	1440	return 0;
1328		1441
1329	coro->flags \|= CF_READY;	1442	coro->flags \|= CF_READY;
1330		1443
1331	LOCK;	1444	LOCK;
		1445
		1446	sv_hook = coro_nready ? 0 : coro_readyhook;
		1447	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1448
1332	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1449	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1333	++coro_nready;	1450	++coro_nready;
		1451
1334	UNLOCK;	1452	UNLOCK;
		1453
		1454	if (sv_hook)
		1455	{
		1456	dSP;
		1457
		1458	ENTER;
		1459	SAVETMPS;
		1460
		1461	PUSHMARK (SP);
		1462	PUTBACK;
		1463	call_sv (sv_hook, G_DISCARD);
		1464	SPAGAIN;
		1465
		1466	FREETMPS;
		1467	LEAVE;
		1468	}
		1469
		1470	if (xs_hook)
		1471	xs_hook ();
1335		1472
1336	return 1;	1473	return 1;
1337	}	1474	}
1338		1475
1339	static int	1476	static int
…		…
1349	SV prev_sv, next_sv;	1486	SV prev_sv, next_sv;
1350		1487
1351	for (;;)	1488	for (;;)
1352	{	1489	{
1353	LOCK;	1490	LOCK;
1354	next_sv = coro_deq (aTHX_ PRIO_MIN);	1491	next_sv = coro_deq (aTHX);
1355		1492
1356	/* nothing to schedule: call the idle handler */	1493	/* nothing to schedule: call the idle handler */
1357	if (expect_false (!next_sv))	1494	if (expect_false (!next_sv))
1358	{	1495	{
1359	dSP;	1496	dSP;
…		…
1363	SAVETMPS;	1500	SAVETMPS;
1364		1501
1365	PUSHMARK (SP);	1502	PUSHMARK (SP);
1366	PUTBACK;	1503	PUTBACK;
1367	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1504	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1505	SPAGAIN;
1368		1506
1369	FREETMPS;	1507	FREETMPS;
1370	LEAVE;	1508	LEAVE;
1371	continue;	1509	continue;
1372	}	1510	}
…		…
1427	{	1565	{
1428	dTHX;	1566	dTHX;
1429	struct transfer_args ta;	1567	struct transfer_args ta;
1430		1568
1431	prepare_schedule (aTHX_ &ta);	1569	prepare_schedule (aTHX_ &ta);
1432	TRANSFER (ta);	1570	TRANSFER (ta, 1);
1433	}	1571	}
1434		1572
1435	static int	1573	static int
1436	api_cede (void)	1574	api_cede (void)
1437	{	1575	{
…		…
1440		1578
1441	prepare_cede (aTHX_ &ta);	1579	prepare_cede (aTHX_ &ta);
1442		1580
1443	if (expect_true (ta.prev != ta.next))	1581	if (expect_true (ta.prev != ta.next))
1444	{	1582	{
1445	TRANSFER (ta);	1583	TRANSFER (ta, 1);
1446	return 1;	1584	return 1;
1447	}	1585	}
1448	else	1586	else
1449	return 0;	1587	return 0;
1450	}	1588	}
…		…
1455	dTHX;	1593	dTHX;
1456	struct transfer_args ta;	1594	struct transfer_args ta;
1457		1595
1458	if (prepare_cede_notself (aTHX_ &ta))	1596	if (prepare_cede_notself (aTHX_ &ta))
1459	{	1597	{
1460	TRANSFER (ta);	1598	TRANSFER (ta, 1);
1461	return 1;	1599	return 1;
1462	}	1600	}
1463	else	1601	else
1464	return 0;	1602	return 0;
1465	}	1603	}
…		…
1488	else	1626	else
1489	coro->slot->runops = RUNOPS_DEFAULT;	1627	coro->slot->runops = RUNOPS_DEFAULT;
1490	}	1628	}
1491	}	1629	}
1492		1630
		1631	static int
		1632	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1633	{
		1634	AV *padlist;
		1635	AV av = (AV )mg->mg_obj;
		1636
		1637	abort ();
		1638
		1639	return 0;
		1640	}
		1641
		1642	static MGVTBL coro_gensub_vtbl = {
		1643	0, 0, 0, 0,
		1644	coro_gensub_free
		1645	};
		1646
1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1647	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1494		1648
1495	PROTOTYPES: DISABLE	1649	PROTOTYPES: DISABLE
1496		1650
1497	BOOT:	1651	BOOT:
…		…
1502	BOOT_PAGESIZE;	1656	BOOT_PAGESIZE;
1503		1657
1504	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1658	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1505	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1659	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1506		1660
		1661	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1662	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1663	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1664
1507	hv_sig = coro_get_hv ("SIG", TRUE);	1665	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1508	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1666	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1509	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1667	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		1668
1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1669	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1515		1670
1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1671	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1672	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1522	main_top_env = PL_top_env;	1677	main_top_env = PL_top_env;
1523		1678
1524	while (main_top_env->je_prev)	1679	while (main_top_env->je_prev)
1525	main_top_env = main_top_env->je_prev;	1680	main_top_env = main_top_env->je_prev;
1526		1681
1527	coroapi.ver = CORO_API_VERSION;	1682	coroapi.ver = CORO_API_VERSION;
		1683	coroapi.rev = CORO_API_REVISION;
1528	coroapi.transfer = api_transfer;	1684	coroapi.transfer = api_transfer;
1529		1685
1530	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1686	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1531	}	1687	}
1532		1688
1533	SV *	1689	SV *
1534	new (char *klass, ...)	1690	new (char *klass, ...)
1535	CODE:	1691	CODE:
1536	{	1692	{
1537	struct coro *coro;	1693	struct coro *coro;
		1694	MAGIC *mg;
1538	HV *hv;	1695	HV *hv;
1539	int i;	1696	int i;
1540		1697
1541	Newz (0, coro, 1, struct coro);	1698	Newz (0, coro, 1, struct coro);
1542	coro->args = newAV ();	1699	coro->args = newAV ();
…		…
1545	if (coro_first) coro_first->prev = coro;	1702	if (coro_first) coro_first->prev = coro;
1546	coro->next = coro_first;	1703	coro->next = coro_first;
1547	coro_first = coro;	1704	coro_first = coro;
1548		1705
1549	coro->hv = hv = newHV ();	1706	coro->hv = hv = newHV ();
1550	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1707	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1708	mg->mg_flags \|= MGf_DUP;
1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1709	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1552		1710
1553	av_extend (coro->args, items - 1);	1711	av_extend (coro->args, items - 1);
1554	for (i = 1; i < items; i++)	1712	for (i = 1; i < items; i++)
1555	av_push (coro->args, newSVsv (ST (i)));	1713	av_push (coro->args, newSVsv (ST (i)));
…		…
1561	# function to increase chances that they all will call transfer with the same	1719	# function to increase chances that they all will call transfer with the same
1562	# stack offset	1720	# stack offset
1563	void	1721	void
1564	_set_stacklevel (...)	1722	_set_stacklevel (...)
1565	ALIAS:	1723	ALIAS:
1566	Coro::State::transfer = 1	1724	Coro::State::transfer = 1
1567	Coro::schedule = 2	1725	Coro::schedule = 2
1568	Coro::cede = 3	1726	Coro::cede = 3
1569	Coro::cede_notself = 4	1727	Coro::cede_notself = 4
1570	Coro::Event::next = 5
1571	Coro::Event::next_cancel = 6
1572	PPCODE:	1728	CODE:
1573	{	1729	{
1574	struct transfer_args ta;	1730	struct transfer_args ta;
1575	int repeat = 0;
1576		1731
1577	do	1732	PUTBACK;
		1733	switch (ix)
1578	{	1734	{
1579	switch (ix)
1580	{
1581	case 0:	1735	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1736	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1737	ta.next = 0;
1584	break;	1738	break;
1585		1739
1586	case 1:	1740	case 1:
1587	if (items != 2)	1741	if (items != 2)
1588	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1742	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1589		1743
1590	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1744	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1591	break;	1745	break;
1592		1746
1593	case 2:	1747	case 2:
1594	prepare_schedule (aTHX_ &ta);	1748	prepare_schedule (aTHX_ &ta);
1595	break;	1749	break;
1596		1750
1597	case 3:	1751	case 3:
1598	prepare_cede (aTHX_ &ta);	1752	prepare_cede (aTHX_ &ta);
1599	break;	1753	break;
1600		1754
1601	case 4:	1755	case 4:
1602	if (!prepare_cede_notself (aTHX_ &ta))	1756	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1757	XSRETURN_EMPTY;
1604		1758
1605	break;	1759	break;
1606
1607	case 5:
1608	case 6:
1609	if (items != 1)
1610	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
1611
1612	{
1613	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
1614
1615	if (ev)
1616	{
1617	if (GIMME_V != G_VOID)
1618	{
1619	XPUSHs (ev);
1620	XSRETURN (1);
1621	}
1622	else
1623	XSRETURN_EMPTY;
1624	}
1625	}
1626
1627	prepare_schedule (aTHX_ &ta);
1628	repeat = 1;
1629	break;
1630	}
1631
1632	BARRIER;
1633	TRANSFER (ta);
1634	BARRIER;
1635	}	1760	}
1636	while (repeat);	1761	SPAGAIN;
1637		1762
1638	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1763	BARRIER;
1639	XSRETURN_YES;	1764	PUTBACK;
		1765	TRANSFER (ta, 0);
		1766	SPAGAIN; /* might be the sp of a different coroutine now */
		1767	/* be extra careful not to ever do anything after TRANSFER */
1640	}	1768	}
1641		1769
1642	bool	1770	bool
1643	_destroy (SV *coro_sv)	1771	_destroy (SV *coro_sv)
1644	CODE:	1772	CODE:
1645	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1773	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1646	OUTPUT:	1774	OUTPUT:
1647	RETVAL	1775	RETVAL
1648		1776
1649	void	1777	void
1650	_exit (code)	1778	_exit (int code)
1651	int code
1652	PROTOTYPE: $	1779	PROTOTYPE: $
1653	CODE:	1780	CODE:
1654	_exit (code);	1781	_exit (code);
1655		1782
1656	int	1783	int
…		…
1696	{	1823	{
1697	struct coro temp;	1824	struct coro temp;
1698		1825
1699	if (!(coro->flags & CF_RUNNING))	1826	if (!(coro->flags & CF_RUNNING))
1700	{	1827	{
		1828	PUTBACK;
1701	save_perl (aTHX_ &temp);	1829	save_perl (aTHX_ &temp);
1702	load_perl (aTHX_ coro);	1830	load_perl (aTHX_ coro);
1703	}	1831	}
1704		1832
1705	{	1833	{
1706	dSP;	1834	dSP;
1707	ENTER;	1835	ENTER;
1708	SAVETMPS;	1836	SAVETMPS;
		1837	PUTBACK;
		1838	PUSHSTACK;
1709	PUSHMARK (SP);	1839	PUSHMARK (SP);
1710	PUTBACK;
1711		1840
1712	if (ix)	1841	if (ix)
1713	eval_sv (coderef, 0);	1842	eval_sv (coderef, 0);
1714	else	1843	else
1715	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1844	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1716		1845
		1846	POPSTACK;
1717	SPAGAIN;	1847	SPAGAIN;
1718	FREETMPS;	1848	FREETMPS;
1719	LEAVE;	1849	LEAVE;
1720	PUTBACK;	1850	PUTBACK;
1721	}	1851	}
1722		1852
1723	if (!(coro->flags & CF_RUNNING))	1853	if (!(coro->flags & CF_RUNNING))
1724	{	1854	{
1725	save_perl (aTHX_ coro);	1855	save_perl (aTHX_ coro);
1726	load_perl (aTHX_ &temp);	1856	load_perl (aTHX_ &temp);
		1857	SPAGAIN;
1727	}	1858	}
1728	}	1859	}
1729	}	1860	}
1730		1861
1731	SV *	1862	SV *
…		…
1743		1874
1744	void	1875	void
1745	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1876	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1746		1877
1747	SV *	1878	SV *
1748	has_stack (Coro::State coro)	1879	has_cctx (Coro::State coro)
1749	PROTOTYPE: $	1880	PROTOTYPE: $
1750	CODE:	1881	CODE:
1751	RETVAL = boolSV (!!coro->cctx);	1882	RETVAL = boolSV (!!coro->cctx);
1752	OUTPUT:	1883	OUTPUT:
1753	RETVAL	1884	RETVAL
…		…
1772	case 1: RETVAL = coro->usecount; break;	1903	case 1: RETVAL = coro->usecount; break;
1773	}	1904	}
1774	OUTPUT:	1905	OUTPUT:
1775	RETVAL	1906	RETVAL
1776		1907
		1908	void
		1909	force_cctx ()
		1910	CODE:
		1911	struct coro *coro = SvSTATE (coro_current);
		1912	coro->cctx->idle_sp = 0;
		1913
		1914	void
		1915	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1916	PROTOTYPE: $;$
		1917	CODE:
		1918	SvREFCNT_dec (self->throw);
		1919	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1920
		1921	void
		1922	swap_defsv (Coro::State self)
		1923	PROTOTYPE: $
		1924	ALIAS:
		1925	swap_defav = 1
		1926	CODE:
		1927	if (!self->slot)
		1928	croak ("cannot swap state with coroutine that has no saved state");
		1929	else
		1930	{
		1931	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1932	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1933
		1934	SV tmp = src; src = dst; *dst = tmp;
		1935	}
1777		1936
1778	MODULE = Coro::State PACKAGE = Coro	1937	MODULE = Coro::State PACKAGE = Coro
1779		1938
1780	BOOT:	1939	BOOT:
1781	{	1940	{
1782	int i;	1941	int i;
1783		1942
1784	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1785	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1786	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	1943	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		1944	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		1945	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1787		1946
1788	coro_current = coro_get_sv ("Coro::current", FALSE);	1947	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1789	SvREADONLY_on (coro_current);	1948	SvREADONLY_on (coro_current);
1790		1949
1791	coro_stash = gv_stashpv ("Coro", TRUE);	1950	coro_stash = gv_stashpv ("Coro", TRUE);
1792		1951
1793	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1952	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1823	PROTOTYPE: $	1982	PROTOTYPE: $
1824	CODE:	1983	CODE:
1825	SvREFCNT_dec (SvRV (coro_current));	1984	SvREFCNT_dec (SvRV (coro_current));
1826	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1985	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1827		1986
		1987	void
		1988	_set_readyhook (SV *hook)
		1989	PROTOTYPE: $
		1990	CODE:
		1991	LOCK;
		1992	SvREFCNT_dec (coro_readyhook);
		1993	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1994	UNLOCK;
		1995
1828	int	1996	int
1829	prio (Coro::State coro, int newprio = 0)	1997	prio (Coro::State coro, int newprio = 0)
1830	ALIAS:	1998	ALIAS:
1831	nice = 1	1999	nice = 1
1832	CODE:	2000	CODE:
…		…
1861	CODE:	2029	CODE:
1862	RETVAL = coro_nready;	2030	RETVAL = coro_nready;
1863	OUTPUT:	2031	OUTPUT:
1864	RETVAL	2032	RETVAL
1865		2033
1866	void
1867	throw (Coro::State self, SV *throw = &PL_sv_undef)
1868	PROTOTYPE: $;$
1869	CODE:
1870	SvREFCNT_dec (self->throw);
1871	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1872
1873	# for async_pool speedup	2034	# for async_pool speedup
1874	void	2035	void
1875	_pool_1 (SV *cb)	2036	_pool_1 (SV *cb)
1876	CODE:	2037	CODE:
1877	{	2038	{
1878	struct coro *coro = SvSTATE (coro_current);	2039	struct coro *coro = SvSTATE (coro_current);
1879	HV hv = (HV )SvRV (coro_current);	2040	HV hv = (HV )SvRV (coro_current);
1880	AV *defav = GvAV (PL_defgv);	2041	AV *defav = GvAV (PL_defgv);
1881	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2042	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1882	AV *invoke_av;	2043	AV *invoke_av;
1883	int i, len;	2044	int i, len;
1884		2045
1885	if (!invoke)	2046	if (!invoke)
		2047	{
		2048	SV *old = PL_diehook;
		2049	PL_diehook = 0;
		2050	SvREFCNT_dec (old);
1886	croak ("\3async_pool terminate\2\n");	2051	croak ("\3async_pool terminate\2\n");
		2052	}
1887		2053
1888	SvREFCNT_dec (coro->saved_deffh);	2054	SvREFCNT_dec (coro->saved_deffh);
1889	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2055	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1890		2056
1891	hv_store (hv, "desc", sizeof ("desc") - 1,	2057	hv_store (hv, "desc", sizeof ("desc") - 1,
1892	newSVpvn (strpair ("[async_pool]")), 0);	2058	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1893		2059
1894	invoke_av = (AV *)SvRV (invoke);	2060	invoke_av = (AV *)SvRV (invoke);
1895	len = av_len (invoke_av);	2061	len = av_len (invoke_av);
1896		2062
1897	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2063	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1917	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2083	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1918	coro->saved_deffh = 0;	2084	coro->saved_deffh = 0;
1919		2085
1920	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2086	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1921	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2087	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2088	{
		2089	SV *old = PL_diehook;
		2090	PL_diehook = 0;
		2091	SvREFCNT_dec (old);
1922	croak ("\3async_pool terminate\2\n");	2092	croak ("\3async_pool terminate\2\n");
		2093	}
1923		2094
1924	av_clear (GvAV (PL_defgv));	2095	av_clear (GvAV (PL_defgv));
1925	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2096	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1926	newSVpvn (strpair ("[async_pool idle]")), 0);	2097	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1927		2098
1928	coro->prio = 0;	2099	coro->prio = 0;
1929		2100
1930	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2101	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1931	api_trace (coro_current, 0);	2102	api_trace (coro_current, 0);
1932		2103
1933	av_push (av_async_pool, newSVsv (coro_current));	2104	av_push (av_async_pool, newSVsv (coro_current));
1934	}	2105	}
		2106
		2107	#if 0
		2108
		2109	void
		2110	_generator_call (...)
		2111	PROTOTYPE: @
		2112	PPCODE:
		2113	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2114	xxxx
		2115	abort ();
		2116
		2117	SV *
		2118	gensub (SV *sub, ...)
		2119	PROTOTYPE: &;@
		2120	CODE:
		2121	{
		2122	struct coro *coro;
		2123	MAGIC *mg;
		2124	CV *xcv;
		2125	CV ncv = (CV )newSV_type (SVt_PVCV);
		2126	int i;
		2127
		2128	CvGV (ncv) = CvGV (cv);
		2129	CvFILE (ncv) = CvFILE (cv);
		2130
		2131	Newz (0, coro, 1, struct coro);
		2132	coro->args = newAV ();
		2133	coro->flags = CF_NEW;
		2134
		2135	av_extend (coro->args, items - 1);
		2136	for (i = 1; i < items; i++)
		2137	av_push (coro->args, newSVsv (ST (i)));
		2138
		2139	CvISXSUB_on (ncv);
		2140	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2141
		2142	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2143
		2144	CvXSUB (ncv) = CvXSUB (xcv);
		2145	CvANON_on (ncv);
		2146
		2147	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2148	RETVAL = newRV_noinc ((SV *)ncv);
		2149	}
		2150	OUTPUT:
		2151	RETVAL
		2152
		2153	#endif
1935		2154
1936		2155
1937	MODULE = Coro::State PACKAGE = Coro::AIO	2156	MODULE = Coro::State PACKAGE = Coro::AIO
1938		2157
1939	SV *	2158	SV *
…		…
1966	PL_laststype = data->laststype;	2185	PL_laststype = data->laststype;
1967	PL_laststatval = data->laststatval;	2186	PL_laststatval = data->laststatval;
1968	PL_statcache = data->statcache;	2187	PL_statcache = data->statcache;
1969	}	2188	}
1970		2189
		2190
		2191	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2192
		2193	BOOT:
		2194	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2195
		2196	SV *
		2197	_schedule (...)
		2198	PROTOTYPE: @
		2199	CODE:
		2200	{
		2201	static int incede;
		2202
		2203	api_cede_notself ();
		2204
		2205	++incede;
		2206	while (coro_nready >= incede && api_cede ())
		2207	;
		2208
		2209	sv_setsv (sv_activity, &PL_sv_undef);
		2210	if (coro_nready >= incede)
		2211	{
		2212	PUSHMARK (SP);
		2213	PUTBACK;
		2214	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2215	SPAGAIN;
		2216	}
		2217
		2218	--incede;
		2219	}
		2220

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Comparing Coro/Coro/State.xs (file contents): Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs. Revision 1.244 by root, Sun Sep 21 18:29:39 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs.
Revision 1.244 by root, Sun Sep 21 18:29:39 2008 UTC