[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 1.231 by root, Thu Apr 24 10:31:59 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	#include <setjmp.h>
		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
…		…
145	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
150	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
151		164
152	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
154		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
155	static HV hv_sig; / %SIG */	169	static HV hv_sig; / %SIG */
156	static SV *sv_diehook;
157	static SV *sv_warnhook;
158		170
159	/* async_pool helper stuff */	171	/* async_pool helper stuff */
160	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
161	static SV *sv_pool_size;	173	static SV *sv_pool_size;
162	static AV *av_async_pool;	174	static AV *av_async_pool;
…		…
262	/ lowlevel stuff ********************************************************/	274	/ lowlevel stuff ********************************************************/
263		275
264	static SV *	276	static SV *
265	coro_get_sv (pTHX_ const char *name, int create)	277	coro_get_sv (pTHX_ const char *name, int create)
266	{	278	{
267	#if PERL_VERSION_ATLEAST (5,9,0)	279	#if PERL_VERSION_ATLEAST (5,10,0)
268	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
269	get_sv (name, create);	281	get_sv (name, create);
270	#endif	282	#endif
271	return get_sv (name, create);	283	return get_sv (name, create);
272	}	284	}
273		285
274	static AV *	286	static AV *
275	coro_get_av (pTHX_ const char *name, int create)	287	coro_get_av (pTHX_ const char *name, int create)
276	{	288	{
277	#if PERL_VERSION_ATLEAST (5,9,0)	289	#if PERL_VERSION_ATLEAST (5,10,0)
278	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
279	get_av (name, create);	291	get_av (name, create);
280	#endif	292	#endif
281	return get_av (name, create);	293	return get_av (name, create);
282	}	294	}
283		295
284	static HV *	296	static HV *
285	coro_get_hv (pTHX_ const char *name, int create)	297	coro_get_hv (pTHX_ const char *name, int create)
286	{	298	{
287	#if PERL_VERSION_ATLEAST (5,9,0)	299	#if PERL_VERSION_ATLEAST (5,10,0)
288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	300	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
289	get_hv (name, create);	301	get_hv (name, create);
290	#endif	302	#endif
291	return get_hv (name, create);	303	return get_hv (name, create);
292	}	304	}
…		…
297	AV *padlist = CvPADLIST (cv);	309	AV *padlist = CvPADLIST (cv);
298	AV newpadlist, newpad;	310	AV newpadlist, newpad;
299		311
300	newpadlist = newAV ();	312	newpadlist = newAV ();
301	AvREAL_off (newpadlist);	313	AvREAL_off (newpadlist);
302	#if PERL_VERSION_ATLEAST (5,9,0)	314	#if PERL_VERSION_ATLEAST (5,10,0)
303	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	315	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304	#else	316	#else
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	317	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306	#endif	318	#endif
307	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	319	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
345		357
346	/* casting is fun. */	358	/* casting is fun. */
347	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	359	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
348	free_padlist (aTHX_ padlist);	360	free_padlist (aTHX_ padlist);
349		361
350	SvREFCNT_dec (av);
351
352	return 0;	362	return 0;
353	}	363	}
354		364
355	#define PERL_MAGIC_coro PERL_MAGIC_ext	365	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		366	#define CORO_MAGIC_type_state PERL_MAGIC_ext
356		367
357	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	368	static MGVTBL coro_cv_vtbl = {
		369	0, 0, 0, 0,
		370	coro_cv_free
		371	};
358		372
359	#define CORO_MAGIC(cv) \	373	#define CORO_MAGIC(sv,type) \
360	SvMAGIC (cv) \	374	SvMAGIC (sv) \
361	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	375	? SvMAGIC (sv)->mg_type == type \
362	? SvMAGIC (cv) \	376	? SvMAGIC (sv) \
363	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	377	: mg_find (sv, type) \
364	: 0	378	: 0
		379
		380	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		381	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365		382
366	static struct coro *	383	static struct coro *
367	SvSTATE_ (pTHX_ SV *coro)	384	SvSTATE_ (pTHX_ SV *coro)
368	{	385	{
369	HV *stash;	386	HV *stash;
…		…
381	/* very slow, but rare, check */	398	/* very slow, but rare, check */
382	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	399	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383	croak ("Coro::State object required");	400	croak ("Coro::State object required");
384	}	401	}
385		402
386	mg = CORO_MAGIC (coro);	403	mg = CORO_MAGIC_state (coro);
387	return (struct coro *)mg->mg_ptr;	404	return (struct coro *)mg->mg_ptr;
388	}	405	}
389		406
390	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	407	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391		408
392	/* the next two functions merely cache the padlists */	409	/* the next two functions merely cache the padlists */
393	static void	410	static void
394	get_padlist (pTHX_ CV *cv)	411	get_padlist (pTHX_ CV *cv)
395	{	412	{
396	MAGIC *mg = CORO_MAGIC (cv);	413	MAGIC *mg = CORO_MAGIC_cv (cv);
397	AV *av;	414	AV *av;
398		415
399	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	416	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	417	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401	else	418	else
…		…
413	}	430	}
414		431
415	static void	432	static void
416	put_padlist (pTHX_ CV *cv)	433	put_padlist (pTHX_ CV *cv)
417	{	434	{
418	MAGIC *mg = CORO_MAGIC (cv);	435	MAGIC *mg = CORO_MAGIC_cv (cv);
419	AV *av;	436	AV *av;
420		437
421	if (expect_false (!mg))	438	if (expect_false (!mg))
422	{	439	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		440
429	av = (AV *)mg->mg_obj;	441	av = (AV *)mg->mg_obj;
430		442
431	if (expect_false (AvFILLp (av) >= AvMAX (av)))	443	if (expect_false (AvFILLp (av) >= AvMAX (av)))
432	av_extend (av, AvMAX (av) + 1);	444	av_extend (av, AvMAX (av) + 1);
…		…
450	GvSV (irsgv) = slot->irsgv;	462	GvSV (irsgv) = slot->irsgv;
451		463
452	#define VAR(name,type) PL_ ## name = slot->name;	464	#define VAR(name,type) PL_ ## name = slot->name;
453	# include "state.h"	465	# include "state.h"
454	#undef VAR	466	#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		467
459	{	468	{
460	dSP;	469	dSP;
461		470
462	CV *cv;	471	CV *cv;
…		…
591		600
592	New(54,PL_savestack,24,ANY);	601	New(54,PL_savestack,24,ANY);
593	PL_savestack_ix = 0;	602	PL_savestack_ix = 0;
594	PL_savestack_max = 24;	603	PL_savestack_max = 24;
595		604
596	#if !PERL_VERSION_ATLEAST (5,9,0)	605	#if !PERL_VERSION_ATLEAST (5,10,0)
597	New(54,PL_retstack,4,OP*);	606	New(54,PL_retstack,4,OP*);
598	PL_retstack_ix = 0;	607	PL_retstack_ix = 0;
599	PL_retstack_max = 4;	608	PL_retstack_max = 4;
600	#endif	609	#endif
601	}	610	}
…		…
624		633
625	Safefree (PL_tmps_stack);	634	Safefree (PL_tmps_stack);
626	Safefree (PL_markstack);	635	Safefree (PL_markstack);
627	Safefree (PL_scopestack);	636	Safefree (PL_scopestack);
628	Safefree (PL_savestack);	637	Safefree (PL_savestack);
629	#if !PERL_VERSION_ATLEAST (5,9,0)	638	#if !PERL_VERSION_ATLEAST (5,10,0)
630	Safefree (PL_retstack);	639	Safefree (PL_retstack);
631	#endif	640	#endif
632	}	641	}
633		642
634	static size_t	643	static size_t
…		…
658	rss += slot->tmps_max * sizeof (SV *);	667	rss += slot->tmps_max * sizeof (SV *);
659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	668	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660	rss += slot->scopestack_max * sizeof (I32);	669	rss += slot->scopestack_max * sizeof (I32);
661	rss += slot->savestack_max * sizeof (ANY);	670	rss += slot->savestack_max * sizeof (ANY);
662		671
663	#if !PERL_VERSION_ATLEAST (5,9,0)	672	#if !PERL_VERSION_ATLEAST (5,10,0)
664	rss += slot->retstack_max * sizeof (OP *);	673	rss += slot->retstack_max * sizeof (OP *);
665	#endif	674	#endif
666	}	675	}
667		676
668	return rss;	677	return rss;
669	}	678	}
670		679
671	/ coroutine stack handling **********************************************/	680	/ coroutine stack handling **********************************************/
		681
		682	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		683	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		684
		685	/*
		686	* This overrides the default magic get method of %SIG elements.
		687	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		688	* and instead of tryign to save and restore the hash elements, we just provide
		689	* readback here.
		690	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		691	* not expecting this to actually change the hook. This is a potential problem
		692	* when a schedule happens then, but we ignore this.
		693	*/
		694	static int
		695	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		696	{
		697	const char *s = MgPV_nolen_const (mg);
		698
		699	if (*s == '_')
		700	{
		701	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
		702	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
		703	}
		704
		705	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		706	}
		707
		708	static int
		709	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		710	{
		711	const char *s = MgPV_nolen_const (mg);
		712
		713	if (*s == '_')
		714	{
		715	SV **svp = 0;
		716
		717	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		718	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		719
		720	if (svp)
		721	{
		722	SV old = svp;
		723	*svp = newSVsv (sv);
		724	SvREFCNT_dec (old);
		725	return 0;
		726	}
		727	}
		728
		729	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		730	}
672		731
673	static void	732	static void
674	coro_setup (pTHX_ struct coro *coro)	733	coro_setup (pTHX_ struct coro *coro)
675	{	734	{
676	/*	735	/*
…		…
685	PL_curpm = 0;	744	PL_curpm = 0;
686	PL_curpad = 0;	745	PL_curpad = 0;
687	PL_localizing = 0;	746	PL_localizing = 0;
688	PL_dirty = 0;	747	PL_dirty = 0;
689	PL_restartop = 0;	748	PL_restartop = 0;
		749	#if PERL_VERSION_ATLEAST (5,10,0)
		750	PL_parser = 0;
		751	#endif
		752
		753	/* recreate the die/warn hooks */
690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);	754	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);	755	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692		756
693	GvSV (PL_defgv) = newSV (0);	757	GvSV (PL_defgv) = newSV (0);
694	GvAV (PL_defgv) = coro->args; coro->args = 0;	758	GvAV (PL_defgv) = coro->args; coro->args = 0;
695	GvSV (PL_errgv) = newSV (0);	759	GvSV (PL_errgv) = newSV (0);
696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	760	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
847	SAVETMPS;	911	SAVETMPS;
848	EXTEND (SP, 3);	912	EXTEND (SP, 3);
849	PUSHMARK (SP);	913	PUSHMARK (SP);
850	PUSHs (&PL_sv_yes);	914	PUSHs (&PL_sv_yes);
851	PUSHs (fullname);	915	PUSHs (fullname);
852	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	916	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853	PUTBACK;	917	PUTBACK;
854	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	918	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);	919	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
856	SPAGAIN;	920	SPAGAIN;
857	FREETMPS;	921	FREETMPS;
…		…
1073	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1137	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1074		1138
1075	if (expect_false (next->flags & CF_DESTROYED))	1139	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");	1140	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1077		1141
1078	if (
1079	#if PERL_VERSION_ATLEAST (5,9,0)	1142	#if !PERL_VERSION_ATLEAST (5,10,0)
1080	expect_false (PL_parser)
1081	#else
1082	expect_false (PL_lex_state != LEX_NOTPARSING)	1143	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083	#endif
1084	)
1085	croak ("Coro::State::transfer called while parsing, but this is not supported");	1144	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1145	#endif
1086	}	1146	}
1087	}	1147	}
1088		1148
1089	/* always use the TRANSFER macro */	1149	/* always use the TRANSFER macro */
1090	static void NOINLINE	1150	static void NOINLINE
1091	transfer (pTHX_ struct coro prev, struct coro next)	1151	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1092	{	1152	{
1093	dSTACKLEVEL;	1153	dSTACKLEVEL;
		1154	static volatile int has_throw;
1094		1155
1095	/* sometimes transfer is only called to set idle_sp */	1156	/* sometimes transfer is only called to set idle_sp */
1096	if (expect_false (!next))	1157	if (expect_false (!next))
1097	{	1158	{
1098	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1159	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1113	prev->flags &= ~CF_RUNNING;	1174	prev->flags &= ~CF_RUNNING;
1114	next->flags \|= CF_RUNNING;	1175	next->flags \|= CF_RUNNING;
1115		1176
1116	LOCK;	1177	LOCK;
1117		1178
		1179	/* first get rid of the old state */
		1180	save_perl (aTHX_ prev);
		1181
1118	if (expect_false (next->flags & CF_NEW))	1182	if (expect_false (next->flags & CF_NEW))
1119	{	1183	{
1120	/* need to start coroutine */	1184	/* need to start coroutine */
1121	next->flags &= ~CF_NEW;	1185	next->flags &= ~CF_NEW;
1122	/* first get rid of the old state */
1123	save_perl (aTHX_ prev);
1124	/* setup coroutine call */	1186	/* setup coroutine call */
1125	coro_setup (aTHX_ next);	1187	coro_setup (aTHX_ next);
1126	}	1188	}
1127	else	1189	else
1128	{
1129	/* coroutine already started */
1130	save_perl (aTHX_ prev);
1131	load_perl (aTHX_ next);	1190	load_perl (aTHX_ next);
1132	}
1133		1191
1134	prev__cctx = prev->cctx;	1192	prev__cctx = prev->cctx;
1135		1193
1136	/* possibly "free" the cctx */	1194	/* possibly "free" the cctx */
1137	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1195	if (expect_true (
		1196	prev__cctx->idle_sp == STACKLEVEL
		1197	&& !(prev__cctx->flags & CC_TRACE)
		1198	&& !force_cctx
		1199	))
1138	{	1200	{
1139	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1201	/* 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));	1202	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1141		1203
1142	prev->cctx = 0;	1204	prev->cctx = 0;
…		…
1152		1214
1153	++next->usecount;	1215	++next->usecount;
1154		1216
1155	if (expect_true (!next->cctx))	1217	if (expect_true (!next->cctx))
1156	next->cctx = cctx_get (aTHX);	1218	next->cctx = cctx_get (aTHX);
		1219
		1220	has_throw = !!next->throw;
1157		1221
1158	if (expect_false (prev__cctx != next->cctx))	1222	if (expect_false (prev__cctx != next->cctx))
1159	{	1223	{
1160	prev__cctx->top_env = PL_top_env;	1224	prev__cctx->top_env = PL_top_env;
1161	PL_top_env = next->cctx->top_env;	1225	PL_top_env = next->cctx->top_env;
…		…
1163	}	1227	}
1164		1228
1165	free_coro_mortal (aTHX);	1229	free_coro_mortal (aTHX);
1166	UNLOCK;	1230	UNLOCK;
1167		1231
1168	if (expect_false (prev->throw \|\| next->throw))	1232	if (expect_false (has_throw))
1169	{	1233	{
1170	struct coro *coro = SvSTATE (coro_current);	1234	struct coro *coro = SvSTATE (coro_current);
1171		1235
1172	if (coro->throw)	1236	if (coro->throw)
1173	{	1237	{
…		…
1183	struct transfer_args	1247	struct transfer_args
1184	{	1248	{
1185	struct coro prev, next;	1249	struct coro prev, next;
1186	};	1250	};
1187		1251
1188	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1252	#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)	1253	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190		1254
1191	/ high level stuff ******************************************************/	1255	/ high level stuff ******************************************************/
1192		1256
1193	static int	1257	static int
…		…
1287	{	1351	{
1288	dTHX;	1352	dTHX;
1289	struct transfer_args ta;	1353	struct transfer_args ta;
1290		1354
1291	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1355	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292	TRANSFER (ta);	1356	TRANSFER (ta, 1);
1293	}	1357	}
1294		1358
1295	/ Coro ******************************************************************/	1359	/ Coro ******************************************************************/
1296		1360
1297	static void	1361	static void
…		…
1299	{	1363	{
1300	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1364	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301	}	1365	}
1302		1366
1303	static SV *	1367	static SV *
1304	coro_deq (pTHX_ int min_prio)	1368	coro_deq (pTHX)
1305	{	1369	{
1306	int prio = PRIO_MAX - PRIO_MIN;	1370	int prio;
1307		1371
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; )	1372	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313	if (AvFILLp (coro_ready [prio]) >= 0)	1373	if (AvFILLp (coro_ready [prio]) >= 0)
1314	return av_shift (coro_ready [prio]);	1374	return av_shift (coro_ready [prio]);
1315		1375
1316	return 0;	1376	return 0;
1317	}	1377	}
…		…
1353	SV prev_sv, next_sv;	1413	SV prev_sv, next_sv;
1354		1414
1355	for (;;)	1415	for (;;)
1356	{	1416	{
1357	LOCK;	1417	LOCK;
1358	next_sv = coro_deq (aTHX_ PRIO_MIN);	1418	next_sv = coro_deq (aTHX);
1359		1419
1360	/* nothing to schedule: call the idle handler */	1420	/* nothing to schedule: call the idle handler */
1361	if (expect_false (!next_sv))	1421	if (expect_false (!next_sv))
1362	{	1422	{
1363	dSP;	1423	dSP;
…		…
1367	SAVETMPS;	1427	SAVETMPS;
1368		1428
1369	PUSHMARK (SP);	1429	PUSHMARK (SP);
1370	PUTBACK;	1430	PUTBACK;
1371	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1431	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1432	SPAGAIN;
1372		1433
1373	FREETMPS;	1434	FREETMPS;
1374	LEAVE;	1435	LEAVE;
1375	continue;	1436	continue;
1376	}	1437	}
…		…
1431	{	1492	{
1432	dTHX;	1493	dTHX;
1433	struct transfer_args ta;	1494	struct transfer_args ta;
1434		1495
1435	prepare_schedule (aTHX_ &ta);	1496	prepare_schedule (aTHX_ &ta);
1436	TRANSFER (ta);	1497	TRANSFER (ta, 1);
1437	}	1498	}
1438		1499
1439	static int	1500	static int
1440	api_cede (void)	1501	api_cede (void)
1441	{	1502	{
…		…
1444		1505
1445	prepare_cede (aTHX_ &ta);	1506	prepare_cede (aTHX_ &ta);
1446		1507
1447	if (expect_true (ta.prev != ta.next))	1508	if (expect_true (ta.prev != ta.next))
1448	{	1509	{
1449	TRANSFER (ta);	1510	TRANSFER (ta, 1);
1450	return 1;	1511	return 1;
1451	}	1512	}
1452	else	1513	else
1453	return 0;	1514	return 0;
1454	}	1515	}
…		…
1459	dTHX;	1520	dTHX;
1460	struct transfer_args ta;	1521	struct transfer_args ta;
1461		1522
1462	if (prepare_cede_notself (aTHX_ &ta))	1523	if (prepare_cede_notself (aTHX_ &ta))
1463	{	1524	{
1464	TRANSFER (ta);	1525	TRANSFER (ta, 1);
1465	return 1;	1526	return 1;
1466	}	1527	}
1467	else	1528	else
1468	return 0;	1529	return 0;
1469	}	1530	}
…		…
1506	BOOT_PAGESIZE;	1567	BOOT_PAGESIZE;
1507		1568
1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1569	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1570	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1510		1571
		1572	orig_sigelem_get = PL_vtbl_sigelem.svt_get;
		1573	PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1574	orig_sigelem_set = PL_vtbl_sigelem.svt_set;
		1575	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1576
1511	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1577	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512	sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE);	1578	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513	sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE);	1579	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		1580
1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1581	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519		1582
1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1583	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1584	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1538	SV *	1601	SV *
1539	new (char *klass, ...)	1602	new (char *klass, ...)
1540	CODE:	1603	CODE:
1541	{	1604	{
1542	struct coro *coro;	1605	struct coro *coro;
		1606	MAGIC *mg;
1543	HV *hv;	1607	HV *hv;
1544	int i;	1608	int i;
1545		1609
1546	Newz (0, coro, 1, struct coro);	1610	Newz (0, coro, 1, struct coro);
1547	coro->args = newAV ();	1611	coro->args = newAV ();
…		…
1550	if (coro_first) coro_first->prev = coro;	1614	if (coro_first) coro_first->prev = coro;
1551	coro->next = coro_first;	1615	coro->next = coro_first;
1552	coro_first = coro;	1616	coro_first = coro;
1553		1617
1554	coro->hv = hv = newHV ();	1618	coro->hv = hv = newHV ();
1555	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1619	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1620	mg->mg_flags \|= MGf_DUP;
1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1621	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557		1622
1558	av_extend (coro->args, items - 1);	1623	av_extend (coro->args, items - 1);
1559	for (i = 1; i < items; i++)	1624	for (i = 1; i < items; i++)
1560	av_push (coro->args, newSVsv (ST (i)));	1625	av_push (coro->args, newSVsv (ST (i)));
…		…
1574	Coro::cede_notself = 4	1639	Coro::cede_notself = 4
1575	CODE:	1640	CODE:
1576	{	1641	{
1577	struct transfer_args ta;	1642	struct transfer_args ta;
1578		1643
		1644	PUTBACK;
1579	switch (ix)	1645	switch (ix)
1580	{	1646	{
1581	case 0:	1647	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1648	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1649	ta.next = 0;
…		…
1602	if (!prepare_cede_notself (aTHX_ &ta))	1668	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1669	XSRETURN_EMPTY;
1604		1670
1605	break;	1671	break;
1606	}	1672	}
		1673	SPAGAIN;
1607		1674
1608	BARRIER;	1675	BARRIER;
1609	PUTBACK;	1676	PUTBACK;
1610	TRANSFER (ta);	1677	TRANSFER (ta, 0);
1611	SPAGAIN; /* might be the sp of a different coroutine now */	1678	SPAGAIN; /* might be the sp of a different coroutine now */
1612	/* be extra careful not to ever do anything after TRANSFER */	1679	/* be extra careful not to ever do anything after TRANSFER */
1613	}	1680	}
1614		1681
1615	bool	1682	bool
…		…
1669	{	1736	{
1670	struct coro temp;	1737	struct coro temp;
1671		1738
1672	if (!(coro->flags & CF_RUNNING))	1739	if (!(coro->flags & CF_RUNNING))
1673	{	1740	{
		1741	PUTBACK;
1674	save_perl (aTHX_ &temp);	1742	save_perl (aTHX_ &temp);
1675	load_perl (aTHX_ coro);	1743	load_perl (aTHX_ coro);
1676	}	1744	}
1677		1745
1678	{	1746	{
…		…
1697		1765
1698	if (!(coro->flags & CF_RUNNING))	1766	if (!(coro->flags & CF_RUNNING))
1699	{	1767	{
1700	save_perl (aTHX_ coro);	1768	save_perl (aTHX_ coro);
1701	load_perl (aTHX_ &temp);	1769	load_perl (aTHX_ &temp);
		1770	SPAGAIN;
1702	}	1771	}
1703	}	1772	}
1704	}	1773	}
1705		1774
1706	SV *	1775	SV *
…		…
1747	case 1: RETVAL = coro->usecount; break;	1816	case 1: RETVAL = coro->usecount; break;
1748	}	1817	}
1749	OUTPUT:	1818	OUTPUT:
1750	RETVAL	1819	RETVAL
1751		1820
		1821	void
		1822	force_cctx ()
		1823	CODE:
		1824	struct coro *coro = SvSTATE (coro_current);
		1825	coro->cctx->idle_sp = 0;
1752		1826
1753	MODULE = Coro::State PACKAGE = Coro	1827	MODULE = Coro::State PACKAGE = Coro
1754		1828
1755	BOOT:	1829	BOOT:
1756	{	1830	{
…		…
1843	PROTOTYPE: $;$	1917	PROTOTYPE: $;$
1844	CODE:	1918	CODE:
1845	SvREFCNT_dec (self->throw);	1919	SvREFCNT_dec (self->throw);
1846	self->throw = SvOK (throw) ? newSVsv (throw) : 0;	1920	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1847		1921
		1922	void
		1923	swap_defsv (Coro::State self)
		1924	PROTOTYPE: $
		1925	ALIAS:
		1926	swap_defav = 1
		1927	CODE:
		1928	if (!self->slot)
		1929	croak ("cannot swap state with coroutine that has no saved state");
		1930	else
		1931	{
		1932	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1933	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1934
		1935	SV tmp = src; src = dst; *dst = tmp;
		1936	}
		1937
1848	# for async_pool speedup	1938	# for async_pool speedup
1849	void	1939	void
1850	_pool_1 (SV *cb)	1940	_pool_1 (SV *cb)
1851	CODE:	1941	CODE:
1852	{	1942	{
…		…
1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1946	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857	AV *invoke_av;	1947	AV *invoke_av;
1858	int i, len;	1948	int i, len;
1859		1949
1860	if (!invoke)	1950	if (!invoke)
		1951	{
		1952	SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1861	croak ("\3async_pool terminate\2\n");	1953	croak ("\3async_pool terminate\2\n");
		1954	}
1862		1955
1863	SvREFCNT_dec (coro->saved_deffh);	1956	SvREFCNT_dec (coro->saved_deffh);
1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1957	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1865		1958
1866	hv_store (hv, "desc", sizeof ("desc") - 1,	1959	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1985	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1893	coro->saved_deffh = 0;	1986	coro->saved_deffh = 0;
1894		1987
1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1988	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1989	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1990	{
		1991	SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1897	croak ("\3async_pool terminate\2\n");	1992	croak ("\3async_pool terminate\2\n");
		1993	}
1898		1994
1899	av_clear (GvAV (PL_defgv));	1995	av_clear (GvAV (PL_defgv));
1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1996	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1997	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902		1998

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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 1.231 by root, Thu Apr 24 10:31:59 2008 UTC

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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 1.231 by root, Thu Apr 24 10:31:59 2008 UTC