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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.211 by root, Wed Oct 10 03:37:58 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
15	#include <inttypes.h> /* portable stdint.h */	22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
16		24
17	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
18	# include <unistd.h>	26	# include <unistd.h>
19	# include <sys/mman.h>	27	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
74	# endif	82	# endif
75	#endif	83	#endif
76		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
77	/* 5.8.7 */	98	/* 5.8.7 */
78	#ifndef SvRV_set	99	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	100	# 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	101	#endif
89		102
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
92	#endif	105	#endif
…		…
131	#else	144	#else
132	# define LOCK (void)0	145	# define LOCK (void)0
133	# define UNLOCK (void)0	146	# define UNLOCK (void)0
134	#endif	147	#endif
135		148
136	#define strpair(const) const, sizeof (const) - 1
137
138	/* helper storage struct for Coro::AIO */	149	/* helper storage struct for Coro::AIO */
139	struct io_state	150	struct io_state
140	{	151	{
141	int errorno;	152	int errorno;
142	I32 laststype;	153	I32 laststype;
…		…
147	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
148	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
149	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
150	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
151	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
152	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
153		164
154	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
155	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
156		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
157	static HV hv_sig; / %SIG */	169	static HV hv_sig; / %SIG */
158	static SV *sv_diehook;
159	static SV *sv_warnhook;
160		170
161	/* async_pool helper stuff */	171	/* async_pool helper stuff */
162	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
163	static SV *sv_pool_size;	173	static SV *sv_pool_size;
164	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
165		178
166	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
167	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
168		181
169	enum {	182	enum {
…		…
255	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
256	#define PRIO_MIN -4	269	#define PRIO_MIN -4
257		270
258	/* for Coro.pm */	271	/* for Coro.pm */
259	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
261	static int coro_nready;	275	static int coro_nready;
262	static struct coro *coro_first;	276	static struct coro *coro_first;
263		277
264	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
265		279
266	static SV *	280	static SV *
267	coro_get_sv (const char *name, int create)	281	coro_get_sv (pTHX_ const char *name, int create)
268	{	282	{
269	#if PERL_VERSION_ATLEAST (5,9,0)	283	#if PERL_VERSION_ATLEAST (5,10,0)
270	/* 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 */
271	get_sv (name, create);	285	get_sv (name, create);
272	#endif	286	#endif
273	return get_sv (name, create);	287	return get_sv (name, create);
274	}	288	}
275		289
276	static AV *	290	static AV *
277	coro_get_av (const char *name, int create)	291	coro_get_av (pTHX_ const char *name, int create)
278	{	292	{
279	#if PERL_VERSION_ATLEAST (5,9,0)	293	#if PERL_VERSION_ATLEAST (5,10,0)
280	/* 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 */
281	get_av (name, create);	295	get_av (name, create);
282	#endif	296	#endif
283	return get_av (name, create);	297	return get_av (name, create);
284	}	298	}
285		299
286	static HV *	300	static HV *
287	coro_get_hv (const char *name, int create)	301	coro_get_hv (pTHX_ const char *name, int create)
288	{	302	{
289	#if PERL_VERSION_ATLEAST (5,9,0)	303	#if PERL_VERSION_ATLEAST (5,10,0)
290	/* 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 */
291	get_hv (name, create);	305	get_hv (name, create);
292	#endif	306	#endif
293	return get_hv (name, create);	307	return get_hv (name, create);
294	}	308	}
…		…
299	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
300	AV newpadlist, newpad;	314	AV newpadlist, newpad;
301		315
302	newpadlist = newAV ();	316	newpadlist = newAV ();
303	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
304	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
306	#else	320	#else
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
308	#endif	322	#endif
309	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
352	SvREFCNT_dec (av);	366	SvREFCNT_dec (av);
353		367
354	return 0;	368	return 0;
355	}	369	}
356		370
357	#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
358		373
359	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	};
360		378
361	#define CORO_MAGIC(cv) \	379	#define CORO_MAGIC(sv,type) \
362	SvMAGIC (cv) \	380	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	381	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	382	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	383	: mg_find (sv, type) \
366	: 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)
367		388
368	static struct coro *	389	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	390	SvSTATE_ (pTHX_ SV *coro)
370	{	391	{
371	HV *stash;	392	HV *stash;
…		…
383	/* very slow, but rare, check */	404	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	406	croak ("Coro::State object required");
386	}	407	}
387		408
388	mg = CORO_MAGIC (coro);	409	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	410	return (struct coro *)mg->mg_ptr;
390	}	411	}
391		412
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		414
394	/* the next two functions merely cache the padlists */	415	/* the next two functions merely cache the padlists */
395	static void	416	static void
396	get_padlist (pTHX_ CV *cv)	417	get_padlist (pTHX_ CV *cv)
397	{	418	{
398	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	420	AV *av;
400		421
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	422	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	423	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	424	else
404	{	425	{
405	#if CORO_PREFER_PERL_FUNCTIONS	426	#if CORO_PREFER_PERL_FUNCTIONS
406	/* this is probably cleaner, but also slower? */	427	/* this is probably cleaner? but also slower! */
		428	/* in practise, it seems to be less stable */
407	CV *cp = Perl_cv_clone (cv);	429	CV *cp = Perl_cv_clone (cv);
408	CvPADLIST (cv) = CvPADLIST (cp);	430	CvPADLIST (cv) = CvPADLIST (cp);
409	CvPADLIST (cp) = 0;	431	CvPADLIST (cp) = 0;
410	SvREFCNT_dec (cp);	432	SvREFCNT_dec (cp);
411	#else	433	#else
…		…
415	}	437	}
416		438
417	static void	439	static void
418	put_padlist (pTHX_ CV *cv)	440	put_padlist (pTHX_ CV *cv)
419	{	441	{
420	MAGIC *mg = CORO_MAGIC (cv);	442	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	443	AV *av;
422		444
423	if (expect_false (!mg))	445	if (expect_false (!mg))
424	{	446	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
427	mg->mg_virtual = &vtbl_coro;
428	mg->mg_obj = (SV *)newAV ();
429	}
430		447
431	av = (AV *)mg->mg_obj;	448	av = (AV *)mg->mg_obj;
432		449
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	450	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	451	av_extend (av, AvMAX (av) + 1);
…		…
452	GvSV (irsgv) = slot->irsgv;	469	GvSV (irsgv) = slot->irsgv;
453		470
454	#define VAR(name,type) PL_ ## name = slot->name;	471	#define VAR(name,type) PL_ ## name = slot->name;
455	# include "state.h"	472	# include "state.h"
456	#undef VAR	473	#undef VAR
457
458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
460		474
461	{	475	{
462	dSP;	476	dSP;
463		477
464	CV *cv;	478	CV *cv;
…		…
503		517
504	if (expect_true (CvDEPTH (cv)))	518	if (expect_true (CvDEPTH (cv)))
505	{	519	{
506	EXTEND (SP, 3);	520	EXTEND (SP, 3);
507	PUSHs ((SV *)CvPADLIST (cv));	521	PUSHs ((SV *)CvPADLIST (cv));
508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	522	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
509	PUSHs ((SV *)cv);	523	PUSHs ((SV *)cv);
510		524
511	CvDEPTH (cv) = 0;	525	CvDEPTH (cv) = 0;
512	get_padlist (aTHX_ cv);	526	get_padlist (aTHX_ cv);
513	}	527	}
…		…
593		607
594	New(54,PL_savestack,24,ANY);	608	New(54,PL_savestack,24,ANY);
595	PL_savestack_ix = 0;	609	PL_savestack_ix = 0;
596	PL_savestack_max = 24;	610	PL_savestack_max = 24;
597		611
598	#if !PERL_VERSION_ATLEAST (5,9,0)	612	#if !PERL_VERSION_ATLEAST (5,10,0)
599	New(54,PL_retstack,4,OP*);	613	New(54,PL_retstack,4,OP*);
600	PL_retstack_ix = 0;	614	PL_retstack_ix = 0;
601	PL_retstack_max = 4;	615	PL_retstack_max = 4;
602	#endif	616	#endif
603	}	617	}
…		…
626		640
627	Safefree (PL_tmps_stack);	641	Safefree (PL_tmps_stack);
628	Safefree (PL_markstack);	642	Safefree (PL_markstack);
629	Safefree (PL_scopestack);	643	Safefree (PL_scopestack);
630	Safefree (PL_savestack);	644	Safefree (PL_savestack);
631	#if !PERL_VERSION_ATLEAST (5,9,0)	645	#if !PERL_VERSION_ATLEAST (5,10,0)
632	Safefree (PL_retstack);	646	Safefree (PL_retstack);
633	#endif	647	#endif
634	}	648	}
635		649
636	static size_t	650	static size_t
…		…
660	rss += slot->tmps_max * sizeof (SV *);	674	rss += slot->tmps_max * sizeof (SV *);
661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	675	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
662	rss += slot->scopestack_max * sizeof (I32);	676	rss += slot->scopestack_max * sizeof (I32);
663	rss += slot->savestack_max * sizeof (ANY);	677	rss += slot->savestack_max * sizeof (ANY);
664		678
665	#if !PERL_VERSION_ATLEAST (5,9,0)	679	#if !PERL_VERSION_ATLEAST (5,10,0)
666	rss += slot->retstack_max * sizeof (OP *);	680	rss += slot->retstack_max * sizeof (OP *);
667	#endif	681	#endif
668	}	682	}
669		683
670	return rss;	684	return rss;
671	}	685	}
672		686
673	/ 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	}
674		778
675	static void	779	static void
676	coro_setup (pTHX_ struct coro *coro)	780	coro_setup (pTHX_ struct coro *coro)
677	{	781	{
678	/*	782	/*
…		…
687	PL_curpm = 0;	791	PL_curpm = 0;
688	PL_curpad = 0;	792	PL_curpad = 0;
689	PL_localizing = 0;	793	PL_localizing = 0;
690	PL_dirty = 0;	794	PL_dirty = 0;
691	PL_restartop = 0;	795	PL_restartop = 0;
692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	796	#if PERL_VERSION_ATLEAST (5,10,0)
693	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);
694		803
695	GvSV (PL_defgv) = newSV (0);	804	GvSV (PL_defgv) = newSV (0);
696	GvAV (PL_defgv) = coro->args; coro->args = 0;	805	GvAV (PL_defgv) = coro->args; coro->args = 0;
697	GvSV (PL_errgv) = newSV (0);	806	GvSV (PL_errgv) = newSV (0);
698	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);
…		…
812	PUSHMARK (SP);	921	PUSHMARK (SP);
813	PUSHs (&PL_sv_no);	922	PUSHs (&PL_sv_no);
814	PUSHs (fullname);	923	PUSHs (fullname);
815	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	924	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
816	PUTBACK;	925	PUTBACK;
817	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);
818	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);
819	SPAGAIN;	928	SPAGAIN;
820	FREETMPS;	929	FREETMPS;
821	LEAVE;	930	LEAVE;
822	PL_runops = runops_trace;	931	PL_runops = runops_trace;
…		…
849	SAVETMPS;	958	SAVETMPS;
850	EXTEND (SP, 3);	959	EXTEND (SP, 3);
851	PUSHMARK (SP);	960	PUSHMARK (SP);
852	PUSHs (&PL_sv_yes);	961	PUSHs (&PL_sv_yes);
853	PUSHs (fullname);	962	PUSHs (fullname);
854	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);
855	PUTBACK;	964	PUTBACK;
856	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);
857	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);
858	SPAGAIN;	967	SPAGAIN;
859	FREETMPS;	968	FREETMPS;
860	LEAVE;	969	LEAVE;
861	PL_runops = runops_trace;	970	PL_runops = runops_trace;
…		…
875	PL_runops = RUNOPS_DEFAULT;	984	PL_runops = RUNOPS_DEFAULT;
876	PUSHMARK (SP);	985	PUSHMARK (SP);
877	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	986	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
878	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	987	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
879	PUTBACK;	988	PUTBACK;
880	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);
881	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);
882	SPAGAIN;	991	SPAGAIN;
883	FREETMPS;	992	FREETMPS;
884	LEAVE;	993	LEAVE;
885	PL_runops = runops_trace;	994	PL_runops = runops_trace;
…		…
1075	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");
1076		1185
1077	if (expect_false (next->flags & CF_DESTROYED))	1186	if (expect_false (next->flags & CF_DESTROYED))
1078	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");
1079		1188
1080	if (
1081	#if PERL_VERSION_ATLEAST (5,9,0)	1189	#if !PERL_VERSION_ATLEAST (5,10,0)
1082	expect_false (PL_parser)
1083	#else
1084	expect_false (PL_lex_state != LEX_NOTPARSING)	1190	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1085	#endif
1086	)
1087	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
1088	}	1193	}
1089	}	1194	}
1090		1195
1091	/* always use the TRANSFER macro */	1196	/* always use the TRANSFER macro */
1092	static void NOINLINE	1197	static void NOINLINE
1093	transfer (pTHX_ struct coro prev, struct coro next)	1198	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1094	{	1199	{
1095	dSTACKLEVEL;	1200	dSTACKLEVEL;
		1201	static volatile int has_throw;
1096		1202
1097	/* sometimes transfer is only called to set idle_sp */	1203	/* sometimes transfer is only called to set idle_sp */
1098	if (expect_false (!next))	1204	if (expect_false (!next))
1099	{	1205	{
1100	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1206	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1115	prev->flags &= ~CF_RUNNING;	1221	prev->flags &= ~CF_RUNNING;
1116	next->flags \|= CF_RUNNING;	1222	next->flags \|= CF_RUNNING;
1117		1223
1118	LOCK;	1224	LOCK;
1119		1225
		1226	/* first get rid of the old state */
		1227	save_perl (aTHX_ prev);
		1228
1120	if (expect_false (next->flags & CF_NEW))	1229	if (expect_false (next->flags & CF_NEW))
1121	{	1230	{
1122	/* need to start coroutine */	1231	/* need to start coroutine */
1123	next->flags &= ~CF_NEW;	1232	next->flags &= ~CF_NEW;
1124	/* first get rid of the old state */
1125	save_perl (aTHX_ prev);
1126	/* setup coroutine call */	1233	/* setup coroutine call */
1127	coro_setup (aTHX_ next);	1234	coro_setup (aTHX_ next);
1128	}	1235	}
1129	else	1236	else
1130	{
1131	/* coroutine already started */
1132	save_perl (aTHX_ prev);
1133	load_perl (aTHX_ next);	1237	load_perl (aTHX_ next);
1134	}
1135		1238
1136	prev__cctx = prev->cctx;	1239	prev__cctx = prev->cctx;
1137		1240
1138	/* possibly "free" the cctx */	1241	/* possibly "free" the cctx */
1139	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	))
1140	{	1247	{
1141	/* 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 */
1142	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));
1143		1250
1144	prev->cctx = 0;	1251	prev->cctx = 0;
…		…
1154		1261
1155	++next->usecount;	1262	++next->usecount;
1156		1263
1157	if (expect_true (!next->cctx))	1264	if (expect_true (!next->cctx))
1158	next->cctx = cctx_get (aTHX);	1265	next->cctx = cctx_get (aTHX);
		1266
		1267	has_throw = !!next->throw;
1159		1268
1160	if (expect_false (prev__cctx != next->cctx))	1269	if (expect_false (prev__cctx != next->cctx))
1161	{	1270	{
1162	prev__cctx->top_env = PL_top_env;	1271	prev__cctx->top_env = PL_top_env;
1163	PL_top_env = next->cctx->top_env;	1272	PL_top_env = next->cctx->top_env;
…		…
1165	}	1274	}
1166		1275
1167	free_coro_mortal (aTHX);	1276	free_coro_mortal (aTHX);
1168	UNLOCK;	1277	UNLOCK;
1169		1278
1170	if (expect_false (prev->throw \|\| next->throw))	1279	if (expect_false (has_throw))
1171	{	1280	{
1172	struct coro *coro = SvSTATE (coro_current);	1281	struct coro *coro = SvSTATE (coro_current);
1173		1282
1174	if (coro->throw)	1283	if (coro->throw)
1175	{	1284	{
…		…
1185	struct transfer_args	1294	struct transfer_args
1186	{	1295	{
1187	struct coro prev, next;	1296	struct coro prev, next;
1188	};	1297	};
1189		1298
1190	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1299	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1191	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1300	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1192		1301
1193	/ high level stuff ******************************************************/	1302	/ high level stuff ******************************************************/
1194		1303
1195	static int	1304	static int
…		…
1289	{	1398	{
1290	dTHX;	1399	dTHX;
1291	struct transfer_args ta;	1400	struct transfer_args ta;
1292		1401
1293	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1402	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1294	TRANSFER (ta);	1403	TRANSFER (ta, 1);
1295	}	1404	}
1296		1405
1297	/ Coro ******************************************************************/	1406	/ Coro ******************************************************************/
1298		1407
1299	static void	1408	static void
…		…
1301	{	1410	{
1302	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);
1303	}	1412	}
1304		1413
1305	static SV *	1414	static SV *
1306	coro_deq (pTHX_ int min_prio)	1415	coro_deq (pTHX)
1307	{	1416	{
1308	int prio = PRIO_MAX - PRIO_MIN;	1417	int prio;
1309		1418
1310	min_prio -= PRIO_MIN;
1311	if (min_prio < 0)
1312	min_prio = 0;
1313
1314	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1419	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1315	if (AvFILLp (coro_ready [prio]) >= 0)	1420	if (AvFILLp (coro_ready [prio]) >= 0)
1316	return av_shift (coro_ready [prio]);	1421	return av_shift (coro_ready [prio]);
1317		1422
1318	return 0;	1423	return 0;
1319	}	1424	}
…		…
1321	static int	1426	static int
1322	api_ready (SV *coro_sv)	1427	api_ready (SV *coro_sv)
1323	{	1428	{
1324	dTHX;	1429	dTHX;
1325	struct coro *coro;	1430	struct coro *coro;
		1431	SV *sv_hook;
		1432	void (*xs_hook)(void);
1326		1433
1327	if (SvROK (coro_sv))	1434	if (SvROK (coro_sv))
1328	coro_sv = SvRV (coro_sv);	1435	coro_sv = SvRV (coro_sv);
1329		1436
1330	coro = SvSTATE (coro_sv);	1437	coro = SvSTATE (coro_sv);
…		…
1333	return 0;	1440	return 0;
1334		1441
1335	coro->flags \|= CF_READY;	1442	coro->flags \|= CF_READY;
1336		1443
1337	LOCK;	1444	LOCK;
		1445
		1446	sv_hook = coro_nready ? 0 : coro_readyhook;
		1447	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1448
1338	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1449	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1339	++coro_nready;	1450	++coro_nready;
		1451
1340	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 ();
1341		1472
1342	return 1;	1473	return 1;
1343	}	1474	}
1344		1475
1345	static int	1476	static int
…		…
1355	SV prev_sv, next_sv;	1486	SV prev_sv, next_sv;
1356		1487
1357	for (;;)	1488	for (;;)
1358	{	1489	{
1359	LOCK;	1490	LOCK;
1360	next_sv = coro_deq (aTHX_ PRIO_MIN);	1491	next_sv = coro_deq (aTHX);
1361		1492
1362	/* nothing to schedule: call the idle handler */	1493	/* nothing to schedule: call the idle handler */
1363	if (expect_false (!next_sv))	1494	if (expect_false (!next_sv))
1364	{	1495	{
1365	dSP;	1496	dSP;
…		…
1369	SAVETMPS;	1500	SAVETMPS;
1370		1501
1371	PUSHMARK (SP);	1502	PUSHMARK (SP);
1372	PUTBACK;	1503	PUTBACK;
1373	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1504	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1505	SPAGAIN;
1374		1506
1375	FREETMPS;	1507	FREETMPS;
1376	LEAVE;	1508	LEAVE;
1377	continue;	1509	continue;
1378	}	1510	}
…		…
1433	{	1565	{
1434	dTHX;	1566	dTHX;
1435	struct transfer_args ta;	1567	struct transfer_args ta;
1436		1568
1437	prepare_schedule (aTHX_ &ta);	1569	prepare_schedule (aTHX_ &ta);
1438	TRANSFER (ta);	1570	TRANSFER (ta, 1);
1439	}	1571	}
1440		1572
1441	static int	1573	static int
1442	api_cede (void)	1574	api_cede (void)
1443	{	1575	{
…		…
1446		1578
1447	prepare_cede (aTHX_ &ta);	1579	prepare_cede (aTHX_ &ta);
1448		1580
1449	if (expect_true (ta.prev != ta.next))	1581	if (expect_true (ta.prev != ta.next))
1450	{	1582	{
1451	TRANSFER (ta);	1583	TRANSFER (ta, 1);
1452	return 1;	1584	return 1;
1453	}	1585	}
1454	else	1586	else
1455	return 0;	1587	return 0;
1456	}	1588	}
…		…
1461	dTHX;	1593	dTHX;
1462	struct transfer_args ta;	1594	struct transfer_args ta;
1463		1595
1464	if (prepare_cede_notself (aTHX_ &ta))	1596	if (prepare_cede_notself (aTHX_ &ta))
1465	{	1597	{
1466	TRANSFER (ta);	1598	TRANSFER (ta, 1);
1467	return 1;	1599	return 1;
1468	}	1600	}
1469	else	1601	else
1470	return 0;	1602	return 0;
1471	}	1603	}
…		…
1494	else	1626	else
1495	coro->slot->runops = RUNOPS_DEFAULT;	1627	coro->slot->runops = RUNOPS_DEFAULT;
1496	}	1628	}
1497	}	1629	}
1498		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
1499	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1647	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1500		1648
1501	PROTOTYPES: DISABLE	1649	PROTOTYPES: DISABLE
1502		1650
1503	BOOT:	1651	BOOT:
…		…
1508	BOOT_PAGESIZE;	1656	BOOT_PAGESIZE;
1509		1657
1510	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1658	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1511	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1659	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1512		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
1513	hv_sig = coro_get_hv ("SIG", TRUE);	1665	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1514	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1666	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1515	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1667	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1516
1517	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1518	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1519		1668
1520	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1669	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1521		1670
1522	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1671	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1523	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1672	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1528	main_top_env = PL_top_env;	1677	main_top_env = PL_top_env;
1529		1678
1530	while (main_top_env->je_prev)	1679	while (main_top_env->je_prev)
1531	main_top_env = main_top_env->je_prev;	1680	main_top_env = main_top_env->je_prev;
1532		1681
1533	coroapi.ver = CORO_API_VERSION;	1682	coroapi.ver = CORO_API_VERSION;
1534	coroapi.rev = CORO_API_REVISION;	1683	coroapi.rev = CORO_API_REVISION;
1535	coroapi.transfer = api_transfer;	1684	coroapi.transfer = api_transfer;
1536		1685
1537	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1686	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1538	}	1687	}
1539		1688
1540	SV *	1689	SV *
1541	new (char *klass, ...)	1690	new (char *klass, ...)
1542	CODE:	1691	CODE:
1543	{	1692	{
1544	struct coro *coro;	1693	struct coro *coro;
		1694	MAGIC *mg;
1545	HV *hv;	1695	HV *hv;
1546	int i;	1696	int i;
1547		1697
1548	Newz (0, coro, 1, struct coro);	1698	Newz (0, coro, 1, struct coro);
1549	coro->args = newAV ();	1699	coro->args = newAV ();
…		…
1552	if (coro_first) coro_first->prev = coro;	1702	if (coro_first) coro_first->prev = coro;
1553	coro->next = coro_first;	1703	coro->next = coro_first;
1554	coro_first = coro;	1704	coro_first = coro;
1555		1705
1556	coro->hv = hv = newHV ();	1706	coro->hv = hv = newHV ();
1557	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;
1558	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1709	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1559		1710
1560	av_extend (coro->args, items - 1);	1711	av_extend (coro->args, items - 1);
1561	for (i = 1; i < items; i++)	1712	for (i = 1; i < items; i++)
1562	av_push (coro->args, newSVsv (ST (i)));	1713	av_push (coro->args, newSVsv (ST (i)));
…		…
1576	Coro::cede_notself = 4	1727	Coro::cede_notself = 4
1577	CODE:	1728	CODE:
1578	{	1729	{
1579	struct transfer_args ta;	1730	struct transfer_args ta;
1580		1731
		1732	PUTBACK;
1581	switch (ix)	1733	switch (ix)
1582	{	1734	{
1583	case 0:	1735	case 0:
1584	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1736	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1585	ta.next = 0;	1737	ta.next = 0;
…		…
1604	if (!prepare_cede_notself (aTHX_ &ta))	1756	if (!prepare_cede_notself (aTHX_ &ta))
1605	XSRETURN_EMPTY;	1757	XSRETURN_EMPTY;
1606		1758
1607	break;	1759	break;
1608	}	1760	}
		1761	SPAGAIN;
1609		1762
1610	BARRIER;	1763	BARRIER;
1611	PUTBACK;	1764	PUTBACK;
1612	TRANSFER (ta);	1765	TRANSFER (ta, 0);
1613	SPAGAIN; /* might be the sp of a different coroutine now */	1766	SPAGAIN; /* might be the sp of a different coroutine now */
1614	/* be extra careful not to ever do anything after TRANSFER */	1767	/* be extra careful not to ever do anything after TRANSFER */
1615	}	1768	}
1616		1769
1617	bool	1770	bool
…		…
1620	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1773	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1621	OUTPUT:	1774	OUTPUT:
1622	RETVAL	1775	RETVAL
1623		1776
1624	void	1777	void
1625	_exit (code)	1778	_exit (int code)
1626	int code
1627	PROTOTYPE: $	1779	PROTOTYPE: $
1628	CODE:	1780	CODE:
1629	_exit (code);	1781	_exit (code);
1630		1782
1631	int	1783	int
…		…
1671	{	1823	{
1672	struct coro temp;	1824	struct coro temp;
1673		1825
1674	if (!(coro->flags & CF_RUNNING))	1826	if (!(coro->flags & CF_RUNNING))
1675	{	1827	{
		1828	PUTBACK;
1676	save_perl (aTHX_ &temp);	1829	save_perl (aTHX_ &temp);
1677	load_perl (aTHX_ coro);	1830	load_perl (aTHX_ coro);
1678	}	1831	}
1679		1832
1680	{	1833	{
…		…
1699		1852
1700	if (!(coro->flags & CF_RUNNING))	1853	if (!(coro->flags & CF_RUNNING))
1701	{	1854	{
1702	save_perl (aTHX_ coro);	1855	save_perl (aTHX_ coro);
1703	load_perl (aTHX_ &temp);	1856	load_perl (aTHX_ &temp);
		1857	SPAGAIN;
1704	}	1858	}
1705	}	1859	}
1706	}	1860	}
1707		1861
1708	SV *	1862	SV *
…		…
1720		1874
1721	void	1875	void
1722	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1876	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1723		1877
1724	SV *	1878	SV *
1725	has_stack (Coro::State coro)	1879	has_cctx (Coro::State coro)
1726	PROTOTYPE: $	1880	PROTOTYPE: $
1727	CODE:	1881	CODE:
1728	RETVAL = boolSV (!!coro->cctx);	1882	RETVAL = boolSV (!!coro->cctx);
1729	OUTPUT:	1883	OUTPUT:
1730	RETVAL	1884	RETVAL
…		…
1749	case 1: RETVAL = coro->usecount; break;	1903	case 1: RETVAL = coro->usecount; break;
1750	}	1904	}
1751	OUTPUT:	1905	OUTPUT:
1752	RETVAL	1906	RETVAL
1753		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	}
1754		1936
1755	MODULE = Coro::State PACKAGE = Coro	1937	MODULE = Coro::State PACKAGE = Coro
1756		1938
1757	BOOT:	1939	BOOT:
1758	{	1940	{
1759	int i;	1941	int i;
1760		1942
1761	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1762	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1763	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);
1764		1946
1765	coro_current = coro_get_sv ("Coro::current", FALSE);	1947	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1766	SvREADONLY_on (coro_current);	1948	SvREADONLY_on (coro_current);
1767		1949
1768	coro_stash = gv_stashpv ("Coro", TRUE);	1950	coro_stash = gv_stashpv ("Coro", TRUE);
1769		1951
1770	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1952	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1800	PROTOTYPE: $	1982	PROTOTYPE: $
1801	CODE:	1983	CODE:
1802	SvREFCNT_dec (SvRV (coro_current));	1984	SvREFCNT_dec (SvRV (coro_current));
1803	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1985	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1804		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
1805	int	1996	int
1806	prio (Coro::State coro, int newprio = 0)	1997	prio (Coro::State coro, int newprio = 0)
1807	ALIAS:	1998	ALIAS:
1808	nice = 1	1999	nice = 1
1809	CODE:	2000	CODE:
…		…
1838	CODE:	2029	CODE:
1839	RETVAL = coro_nready;	2030	RETVAL = coro_nready;
1840	OUTPUT:	2031	OUTPUT:
1841	RETVAL	2032	RETVAL
1842		2033
1843	void
1844	throw (Coro::State self, SV *throw = &PL_sv_undef)
1845	PROTOTYPE: $;$
1846	CODE:
1847	SvREFCNT_dec (self->throw);
1848	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1849
1850	# for async_pool speedup	2034	# for async_pool speedup
1851	void	2035	void
1852	_pool_1 (SV *cb)	2036	_pool_1 (SV *cb)
1853	CODE:	2037	CODE:
1854	{	2038	{
1855	struct coro *coro = SvSTATE (coro_current);	2039	struct coro *coro = SvSTATE (coro_current);
1856	HV hv = (HV )SvRV (coro_current);	2040	HV hv = (HV )SvRV (coro_current);
1857	AV *defav = GvAV (PL_defgv);	2041	AV *defav = GvAV (PL_defgv);
1858	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2042	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1859	AV *invoke_av;	2043	AV *invoke_av;
1860	int i, len;	2044	int i, len;
1861		2045
1862	if (!invoke)	2046	if (!invoke)
		2047	{
		2048	SV *old = PL_diehook;
		2049	PL_diehook = 0;
		2050	SvREFCNT_dec (old);
1863	croak ("\3async_pool terminate\2\n");	2051	croak ("\3async_pool terminate\2\n");
		2052	}
1864		2053
1865	SvREFCNT_dec (coro->saved_deffh);	2054	SvREFCNT_dec (coro->saved_deffh);
1866	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2055	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1867		2056
1868	hv_store (hv, "desc", sizeof ("desc") - 1,	2057	hv_store (hv, "desc", sizeof ("desc") - 1,
1869	newSVpvn (strpair ("[async_pool]")), 0);	2058	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1870		2059
1871	invoke_av = (AV *)SvRV (invoke);	2060	invoke_av = (AV *)SvRV (invoke);
1872	len = av_len (invoke_av);	2061	len = av_len (invoke_av);
1873		2062
1874	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2063	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1894	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2083	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1895	coro->saved_deffh = 0;	2084	coro->saved_deffh = 0;
1896		2085
1897	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2086	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1898	\|\| 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);
1899	croak ("\3async_pool terminate\2\n");	2092	croak ("\3async_pool terminate\2\n");
		2093	}
1900		2094
1901	av_clear (GvAV (PL_defgv));	2095	av_clear (GvAV (PL_defgv));
1902	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2096	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1903	newSVpvn (strpair ("[async_pool idle]")), 0);	2097	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1904		2098
1905	coro->prio = 0;	2099	coro->prio = 0;
1906		2100
1907	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2101	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1908	api_trace (coro_current, 0);	2102	api_trace (coro_current, 0);
1909		2103
1910	av_push (av_async_pool, newSVsv (coro_current));	2104	av_push (av_async_pool, newSVsv (coro_current));
1911	}	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
1912		2154
1913		2155
1914	MODULE = Coro::State PACKAGE = Coro::AIO	2156	MODULE = Coro::State PACKAGE = Coro::AIO
1915		2157
1916	SV *	2158	SV *
…		…
1943	PL_laststype = data->laststype;	2185	PL_laststype = data->laststype;
1944	PL_laststatval = data->laststatval;	2186	PL_laststatval = data->laststatval;
1945	PL_statcache = data->statcache;	2187	PL_statcache = data->statcache;
1946	}	2188	}
1947		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 1.211 by root, Wed Oct 10 03:37:58 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 1.211 by root, Wed Oct 10 03:37:58 2007 UTC vs.
Revision 1.244 by root, Sun Sep 21 18:29:39 2008 UTC