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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.433 by root, Thu May 9 05:40:14 2013 UTC vs.
Revision 1.472 by root, Thu Aug 31 16:24:19 2017 UTC

…		…
14	#include "perliol.h"	14	#include "perliol.h"
15		15
16	#include "schmorp.h"	16	#include "schmorp.h"
17		17
18	#define ECB_NO_THREADS 1	18	#define ECB_NO_THREADS 1
		19	#define ECB_NO_LIBM 1
19	#include "ecb.h"	20	#include "ecb.h"
20		21
21	#include <stddef.h>	22	#include <stddef.h>
22	#include <stdio.h>	23	#include <stdio.h>
23	#include <errno.h>	24	#include <errno.h>
24	#include <assert.h>	25	#include <assert.h>
25		26
		27	#ifndef SvREFCNT_dec_NN
		28	#define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
		29	#endif
		30
		31	#ifndef SvREFCNT_inc_NN
		32	#define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		33	#endif
		34
26	#ifndef SVs_PADSTALE	35	#ifndef SVs_PADSTALE
27	# define SVs_PADSTALE 0	36	# define SVs_PADSTALE 0
28	#endif	37	#endif
29		38
30	#ifdef PadARRAY	39	#ifdef PadARRAY
31	# define NEWPADAPI	40	# define NEWPADAPI 1
32	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))	41	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
33	#else	42	#else
34	typedef AV PADNAMELIST;	43	typedef AV PADNAMELIST;
35	# if !PERL_VERSION_ATLEAST(5,8,0)	44	# if !PERL_VERSION_ATLEAST(5,8,0)
36	typedef AV PADLIST;	45	typedef AV PADLIST;
…		…
41	# define PadlistNAMES(pl) (*PadlistARRAY (pl))	50	# define PadlistNAMES(pl) (*PadlistARRAY (pl))
42	# define PadARRAY AvARRAY	51	# define PadARRAY AvARRAY
43	# define PadMAX AvFILLp	52	# define PadMAX AvFILLp
44	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))	53	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
45	#endif	54	#endif
		55	#ifndef PadnamelistREFCNT
		56	# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
		57	#endif
		58	#ifndef PadnamelistREFCNT_dec
		59	# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
		60	#endif
		61
		62	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
		63	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
		64	#if PERL_VERSION_ATLEAST(5,19,0)
		65	# define SVt_BIND SVt_IV
		66	#endif
46		67
47	#if defined(_WIN32)	68	#if defined(_WIN32)
48	# undef HAS_GETTIMEOFDAY	69	# undef HAS_GETTIMEOFDAY
49	# undef setjmp	70	# undef setjmp
50	# undef longjmp	71	# undef longjmp
…		…
95	# define CORO_CLOCK_MONOTONIC 1	116	# define CORO_CLOCK_MONOTONIC 1
96	# define CORO_CLOCK_THREAD_CPUTIME_ID 3	117	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
97	# endif	118	# endif
98	#endif	119	#endif
99		120
		121	/* one off bugfix for perl 5.22 */
		122	#if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0)
		123	# undef PadlistNAMES
		124	# define PadlistNAMES(pl) ((PADNAMELIST *)PadlistARRAY (pl))
		125	#endif
		126
		127	#if PERL_VERSION_ATLEAST(5,24,0)
		128	# define SUB_ARGARRAY PL_curpad[0]
		129	#else
		130	# define SUB_ARGARRAY (SV *)cx->blk_sub.argarray
		131	#endif
		132
		133	/* perl usually suppresses asserts. for debugging, we sometimes force it to be on */
		134	#if 0
		135	# undef NDEBUG
		136	# include <assert.h>
		137	#endif
		138
100	static double (nvtime)(); / so why doesn't it take void? */	139	static double (nvtime)(); / so why doesn't it take void? */
101	static void (*u2time)(pTHX_ UV ret[2]);	140	static void (*u2time)(pTHX_ UV ret[2]);
102		141
103	/* we hijack an hopefully unused CV flag for our purposes */	142	/* we hijack an hopefully unused CV flag for our purposes */
104	#define CVf_SLF 0x4000	143	#define CVf_SLF 0x4000
…		…
119		158
120	static GV irsgv; / $/ */	159	static GV irsgv; / $/ */
121	static GV stdoutgv; / STDOUT /	160	static GV stdoutgv; / STDOUT /
122	static SV *rv_diehook;	161	static SV *rv_diehook;
123	static SV *rv_warnhook;	162	static SV *rv_warnhook;
124	static HV hv_sig; / %SIG */
125		163
126	/* async_pool helper stuff */	164	/* async_pool helper stuff */
127	static SV *sv_pool_rss;	165	static SV *sv_pool_rss;
128	static SV *sv_pool_size;	166	static SV *sv_pool_size;
129	static SV sv_async_pool_idle; / description string */	167	static SV sv_async_pool_idle; / description string */
…		…
235	SV *saved_deffh;	273	SV *saved_deffh;
236	SV *invoke_cb;	274	SV *invoke_cb;
237	AV *invoke_av;	275	AV *invoke_av;
238		276
239	/* on_enter/on_leave */	277	/* on_enter/on_leave */
240	AV *on_enter;	278	AV on_enter; AV on_enter_xs;
241	AV *on_leave;	279	AV on_leave; AV on_leave_xs;
242		280
243	/* swap_sv */	281	/* swap_sv */
244	AV *swap_sv;	282	AV *swap_sv;
245		283
246	/* times */	284	/* times */
…		…
482		520
483	return 0;	521	return 0;
484	}	522	}
485		523
486	ecb_inline struct coro *	524	ecb_inline struct coro *
487	SvSTATE_ (pTHX_ SV *coro)	525	SvSTATE_ (pTHX_ SV *coro_sv)
488	{	526	{
489	MAGIC *mg;	527	MAGIC *mg;
490		528
491	if (SvROK (coro))	529	if (SvROK (coro_sv))
492	coro = SvRV (coro);	530	coro_sv = SvRV (coro_sv);
493		531
494	mg = SvSTATEhv_p (aTHX_ coro);	532	mg = SvSTATEhv_p (aTHX_ coro_sv);
495	if (!mg)	533	if (!mg)
496	croak ("Coro::State object required");	534	croak ("Coro::State object required");
497		535
498	return (struct coro *)mg->mg_ptr;	536	return (struct coro *)mg->mg_ptr;
499	}	537	}
…		…
510	ecb_inline PADLIST *	548	ecb_inline PADLIST *
511	coro_derive_padlist (pTHX_ CV *cv)	549	coro_derive_padlist (pTHX_ CV *cv)
512	{	550	{
513	PADLIST *padlist = CvPADLIST (cv);	551	PADLIST *padlist = CvPADLIST (cv);
514	PADLIST *newpadlist;	552	PADLIST *newpadlist;
		553	PADNAMELIST *padnames;
515	PAD *newpad;	554	PAD *newpad;
516	PADOFFSET const off = PadlistMAX (padlist) + 1;	555	PADOFFSET off = PadlistMAX (padlist) + 1;
517		556
518	newPADLIST(newpadlist);	557	#if NEWPADAPI
519	#if !PERL_VERSION_ATLEAST(5,15,3)	558
520	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	559	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
521	AvREAL_off (newpadlist);	560	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
522	#endif	561	while (!PadlistARRAY (padlist)[off - 1])
		562	--off;
		563
		564	Perl_pad_push (aTHX_ padlist, off);
		565
		566	newpad = PadlistARRAY (padlist)[off];
		567	PadlistARRAY (padlist)[off] = 0;
		568
		569	#else
		570
523	#if PERL_VERSION_ATLEAST (5,10,0)	571	#if PERL_VERSION_ATLEAST (5,10,0)
524	Perl_pad_push (aTHX_ padlist, off);	572	Perl_pad_push (aTHX_ padlist, off);
525	#else	573	#else
526	Perl_pad_push (aTHX_ padlist, off, 1);	574	Perl_pad_push (aTHX_ padlist, off, 1);
527	#endif	575	#endif
		576
528	newpad = PadlistARRAY (padlist)[off];	577	newpad = PadlistARRAY (padlist)[off];
529	PadlistMAX (padlist) = off - 1;	578	PadlistMAX (padlist) = off - 1;
530		579
		580	#endif
		581
		582	newPADLIST (newpadlist);
		583	#if !PERL_VERSION_ATLEAST(5,15,3)
		584	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		585	AvREAL_off (newpadlist);
		586	#endif
		587
531	/* Already extended to 2 elements by newPADLIST. */	588	/* Already extended to 2 elements by newPADLIST. */
532	PadlistMAX (newpadlist) = 1;	589	PadlistMAX (newpadlist) = 1;
533	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	590
		591	padnames = PadlistNAMES (padlist);
		592	++PadnamelistREFCNT (padnames);
		593	PadlistNAMES (newpadlist) = padnames;
		594
534	PadlistARRAY (newpadlist)[1] = newpad;	595	PadlistARRAY (newpadlist)[1] = newpad;
535		596
536	return newpadlist;	597	return newpadlist;
537	}	598	}
538		599
…		…
546		607
547	while (i > 0) /* special-case index 0 */	608	while (i > 0) /* special-case index 0 */
548	{	609	{
549	/* we try to be extra-careful here */	610	/* we try to be extra-careful here */
550	PAD *pad = PadlistARRAY (padlist)[i--];	611	PAD *pad = PadlistARRAY (padlist)[i--];
		612
		613	if (pad)
		614	{
551	I32 j = PadMAX (pad);	615	I32 j = PadMAX (pad);
552		616
553	while (j >= 0)	617	while (j >= 0)
554	SvREFCNT_dec (PadARRAY (pad)[j--]);	618	SvREFCNT_dec (PadARRAY (pad)[j--]);
555		619
556	PadMAX (pad) = -1;	620	PadMAX (pad) = -1;
557	SvREFCNT_dec (pad);	621	SvREFCNT_dec (pad);
		622	}
558	}	623	}
559		624
560	SvREFCNT_dec (PadlistNAMES (padlist));	625	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
561		626
562	#ifdef NEWPADAPI	627	#if NEWPADAPI
563	Safefree (PadlistARRAY (padlist));	628	Safefree (PadlistARRAY (padlist));
564	Safefree (padlist);	629	Safefree (padlist);
565	#else	630	#else
566	AvFILLp (padlist) = -1;	631	AvFILLp (padlist) = -1;
567	AvREAL_off (padlist);	632	AvREAL_off (padlist);
…		…
661	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;	726	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
662		727
663	/* if SvANY points to the head, we need to adjust the pointers,	728	/* if SvANY points to the head, we need to adjust the pointers,
664	* as the pointer for a still points to b, and maybe vice versa.	729	* as the pointer for a still points to b, and maybe vice versa.
665	*/	730	*/
666	#define svany_in_head(type) \	731	U32 svany_in_head_set = (1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV);
667	(((1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV)) & (1 << (type)))	732	#if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
		733	svany_in_head_set \|= 1 << SVt_NV;
		734	#endif
		735
		736	#define svany_in_head(type) (svany_in_head_set & (1 << (type)))
668		737
669	if (svany_in_head (SvTYPE (a)))	738	if (svany_in_head (SvTYPE (a)))
670	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	739	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
671		740
672	if (svany_in_head (SvTYPE (b)))	741	if (svany_in_head (SvTYPE (b)))
…		…
675	#endif	744	#endif
676	}	745	}
677		746
678	/* swap sv heads, at least logically */	747	/* swap sv heads, at least logically */
679	static void	748	static void
680	swap_svs (pTHX_ Coro__State c)	749	swap_svs_enter (pTHX_ Coro__State c)
681	{	750	{
682	int i;	751	int i;
683		752
684	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	753	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
685	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);	754	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
686	}	755	}
687		756
		757	static void
		758	swap_svs_leave (pTHX_ Coro__State c)
		759	{
		760	int i;
		761
		762	for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
		763	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
		764	}
		765
688	#define SWAP_SVS(coro) \	766	#define SWAP_SVS_ENTER(coro) \
689	if (ecb_expect_false ((coro)->swap_sv)) \	767	if (ecb_expect_false ((coro)->swap_sv)) \
690	swap_svs (aTHX_ (coro))	768	swap_svs_enter (aTHX_ (coro))
		769
		770	#define SWAP_SVS_LEAVE(coro) \
		771	if (ecb_expect_false ((coro)->swap_sv)) \
		772	swap_svs_leave (aTHX_ (coro))
691		773
692	static void	774	static void
693	on_enterleave_call (pTHX_ SV *cb);	775	on_enterleave_call (pTHX_ SV *cb);
694		776
695	static void	777	static void
…		…
740		822
741	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	823	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
742	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	824	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
743	}	825	}
744		826
		827	if (ecb_expect_false (c->on_enter_xs))
		828	{
		829	int i;
		830
		831	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		832	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		833	}
		834
745	SWAP_SVS (c);	835	SWAP_SVS_ENTER (c);
746	}	836	}
747		837
748	static void	838	static void
749	save_perl (pTHX_ Coro__State c)	839	save_perl (pTHX_ Coro__State c)
750	{	840	{
751	SWAP_SVS (c);	841	SWAP_SVS_LEAVE (c);
		842
		843	if (ecb_expect_false (c->on_leave_xs))
		844	{
		845	int i;
		846
		847	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		848	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		849	}
752		850
753	if (ecb_expect_false (c->on_leave))	851	if (ecb_expect_false (c->on_leave))
754	{	852	{
755	int i;	853	int i;
756		854
…		…
883	#endif	981	#endif
884		982
885	New(54,PL_savestack,24,ANY);	983	New(54,PL_savestack,24,ANY);
886	PL_savestack_ix = 0;	984	PL_savestack_ix = 0;
887	PL_savestack_max = 24;	985	PL_savestack_max = 24;
		986	#if PERL_VERSION_ATLEAST (5,24,0)
		987	/* perl 5.24 moves SS_MAXPUSH optimisation from */
		988	/* the header macros to PL_savestack_max */
		989	PL_savestack_max -= SS_MAXPUSH;
		990	#endif
888		991
889	#if !PERL_VERSION_ATLEAST (5,10,0)	992	#if !PERL_VERSION_ATLEAST (5,10,0)
890	New(54,PL_retstack,4,OP*);	993	New(54,PL_retstack,4,OP*);
891	PL_retstack_ix = 0;	994	PL_retstack_ix = 0;
892	PL_retstack_max = 4;	995	PL_retstack_max = 4;
…		…
958	}	1061	}
959		1062
960	return rss;	1063	return rss;
961	}	1064	}
962		1065
963	/ coroutine stack handling **********************************************/	1066	/ provide custom get/set/clear methods for %SIG elements ****************/
964
965	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
966	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
967	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
968		1067
969	/* apparently < 5.8.8 */	1068	/* apparently < 5.8.8 */
970	#ifndef MgPV_nolen_const	1069	#ifndef MgPV_nolen_const
971	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1070	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
972	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1071	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
973	(const char*)(mg)->mg_ptr)	1072	(const char*)(mg)->mg_ptr)
974	#endif	1073	#endif
		1074
		1075	/* this will be a patched copy of PL_vtbl_sigelem */
		1076	static MGVTBL coro_sigelem_vtbl;
		1077
		1078	static int ecb_cold
		1079	coro_sig_copy (pTHX_ SV sv, MAGIC mg, SV nsv, const char name, I32 namlen)
		1080	{
		1081	char key = SvPV_nolen ((SV )name);
		1082
		1083	/* do what mg_copy normally does */
		1084	sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
		1085	assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
		1086
		1087	/* patch sigelem vtbl, but only for __WARN__ and __DIE__ */
		1088	if (*key == '_'
		1089	&& (strEQ (key, "__DIE__")
		1090	\|\| strEQ (key, "__WARN__")))
		1091	mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
		1092
		1093	return 1;
		1094	}
		1095
		1096	/* perl does not have a %SIG vtbl, we provide one so we can override */
		1097	/* the magic vtbl for the __DIE__ and __WARN__ members */
		1098	static const MGVTBL coro_sig_vtbl = {
		1099	0, 0, 0, 0, 0,
		1100	coro_sig_copy
		1101	};
975		1102
976	/*	1103	/*
977	* This overrides the default magic get method of %SIG elements.	1104	* This overrides the default magic get method of %SIG elements.
978	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	1105	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
979	* and instead of trying to save and restore the hash elements (extremely slow),	1106	* and instead of trying to save and restore the hash elements (extremely slow),
…		…
981	*/	1108	*/
982	static int ecb_cold	1109	static int ecb_cold
983	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	1110	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
984	{	1111	{
985	const char *s = MgPV_nolen_const (mg);	1112	const char *s = MgPV_nolen_const (mg);
		1113	/* the key must be either __DIE__ or __WARN__ here */
		1114	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
986		1115
987	if (*s == '_')	1116	SV *ssv;
988	{
989	SV **svp = 0;
990		1117
991	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
992	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
993
994	if (svp)	1118	if (!*svp)
995	{
996	SV *ssv;
997
998	if (!*svp)
999	ssv = &PL_sv_undef;	1119	ssv = &PL_sv_undef;
1000	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */	1120	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */
1001	ssv = sv_2mortal (newRV_inc (*svp));	1121	ssv = sv_2mortal (newRV_inc (*svp));
1002	else	1122	else
1003	ssv = *svp;	1123	ssv = *svp;
1004		1124
1005	sv_setsv (sv, ssv);	1125	sv_setsv (sv, ssv);
1006	return 0;	1126	return 0;
1007	}
1008	}
1009
1010	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1011	}	1127	}
1012		1128
1013	static int ecb_cold	1129	static int ecb_cold
1014	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1130	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1015	{	1131	{
1016	const char *s = MgPV_nolen_const (mg);	1132	const char *s = MgPV_nolen_const (mg);
		1133	/* the key must be either __DIE__ or __WARN__ here */
		1134	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1017		1135
1018	if (*s == '_')
1019	{
1020	SV **svp = 0;
1021
1022	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1023	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1024
1025	if (svp)
1026	{
1027	SV old = svp;	1136	SV old = svp;
1028	*svp = 0;	1137	*svp = 0;
1029	SvREFCNT_dec (old);	1138	SvREFCNT_dec (old);
1030	return 0;	1139	return 0;
1031	}
1032	}
1033
1034	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1035	}	1140	}
1036		1141
1037	static int ecb_cold	1142	static int ecb_cold
1038	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1143	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1039	{	1144	{
1040	const char *s = MgPV_nolen_const (mg);	1145	const char *s = MgPV_nolen_const (mg);
		1146	/* the key must be either __DIE__ or __WARN__ here */
		1147	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1041		1148
1042	if (*s == '_')
1043	{
1044	SV **svp = 0;
1045
1046	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1047	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1048
1049	if (svp)
1050	{
1051	SV old = svp;	1149	SV old = svp;
1052	*svp = SvOK (sv) ? newSVsv (sv) : 0;	1150	*svp = SvOK (sv) ? newSVsv (sv) : 0;
1053	SvREFCNT_dec (old);	1151	SvREFCNT_dec (old);
1054	return 0;	1152	return 0;
1055	}
1056	}
1057
1058	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
1059	}	1153	}
1060		1154
1061	static void	1155	static void
1062	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1156	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1063	{	1157	{
…		…
1074	static int	1168	static int
1075	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1169	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1076	{	1170	{
1077	return 1;	1171	return 1;
1078	}	1172	}
		1173
		1174	/ coroutine stack handling **********************************************/
1079		1175
1080	static UNOP init_perl_op;	1176	static UNOP init_perl_op;
1081		1177
1082	ecb_noinline static void /* noinline to keep it out of the transfer fast path */	1178	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1083	init_perl (pTHX_ struct coro *coro)	1179	init_perl (pTHX_ struct coro *coro)
…		…
1109		1205
1110	GvSV (PL_defgv) = newSV (0);	1206	GvSV (PL_defgv) = newSV (0);
1111	GvAV (PL_defgv) = coro->args; coro->args = 0;	1207	GvAV (PL_defgv) = coro->args; coro->args = 0;
1112	GvSV (PL_errgv) = newSV (0);	1208	GvSV (PL_errgv) = newSV (0);
1113	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1209	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1114	GvHV (PL_hintgv) = 0;	1210	GvHV (PL_hintgv) = newHV ();
		1211	#if PERL_VERSION_ATLEAST (5,10,0)
		1212	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1213	#endif
1115	PL_rs = newSVsv (GvSV (irsgv));	1214	PL_rs = newSVsv (GvSV (irsgv));
1116	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1215	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1117		1216
1118	{	1217	{
1119	dSP;	1218	dSP;
…		…
1147	PL_op = (OP *)&init_perl_op;	1246	PL_op = (OP *)&init_perl_op;
1148		1247
1149	/* copy throw, in case it was set before init_perl */	1248	/* copy throw, in case it was set before init_perl */
1150	CORO_THROW = coro->except;	1249	CORO_THROW = coro->except;
1151		1250
1152	SWAP_SVS (coro);	1251	SWAP_SVS_ENTER (coro);
1153		1252
1154	if (ecb_expect_false (enable_times))	1253	if (ecb_expect_false (enable_times))
1155	{	1254	{
1156	coro_times_update ();	1255	coro_times_update ();
1157	coro_times_sub (coro);	1256	coro_times_sub (coro);
…		…
1195	/* this will cause transfer_check to croak on block*/	1294	/* this will cause transfer_check to croak on block*/
1196	SvRV_set (coro_current, (SV *)coro->hv);	1295	SvRV_set (coro_current, (SV *)coro->hv);
1197		1296
1198	load_perl (aTHX_ coro);	1297	load_perl (aTHX_ coro);
1199		1298
		1299	/* restore swapped sv's */
		1300	SWAP_SVS_LEAVE (coro);
		1301
1200	coro_unwind_stacks (aTHX);	1302	coro_unwind_stacks (aTHX);
1201
1202	/* restore swapped sv's */
1203	SWAP_SVS (coro);
1204		1303
1205	coro_destruct_stacks (aTHX);	1304	coro_destruct_stacks (aTHX);
1206		1305
1207	/* now save some sv's to be free'd later */	1306	/* now save some sv's to be free'd later */
1208	svf [0] = GvSV (PL_defgv);	1307	svf [0] = GvSV (PL_defgv);
…		…
1229		1328
1230	SvREFCNT_dec (coro->saved_deffh);	1329	SvREFCNT_dec (coro->saved_deffh);
1231	SvREFCNT_dec (coro->rouse_cb);	1330	SvREFCNT_dec (coro->rouse_cb);
1232	SvREFCNT_dec (coro->invoke_cb);	1331	SvREFCNT_dec (coro->invoke_cb);
1233	SvREFCNT_dec (coro->invoke_av);	1332	SvREFCNT_dec (coro->invoke_av);
		1333	SvREFCNT_dec (coro->on_enter_xs);
		1334	SvREFCNT_dec (coro->on_leave_xs);
1234	}	1335	}
1235	}	1336	}
1236		1337
1237	ecb_inline void	1338	ecb_inline void
1238	free_coro_mortal (pTHX)	1339	free_coro_mortal (pTHX)
…		…
1301		1402
1302	if (PL_curcop != &PL_compiling)	1403	if (PL_curcop != &PL_compiling)
1303	{	1404	{
1304	SV **cb;	1405	SV **cb;
1305		1406
1306	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1407	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1307	{	1408	{
1308	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1409	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1309		1410
1310	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1411	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1311	{	1412	{
…		…
1321	SAVETMPS;	1422	SAVETMPS;
1322	EXTEND (SP, 3);	1423	EXTEND (SP, 3);
1323	PUSHMARK (SP);	1424	PUSHMARK (SP);
1324	PUSHs (&PL_sv_yes);	1425	PUSHs (&PL_sv_yes);
1325	PUSHs (fullname);	1426	PUSHs (fullname);
1326	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1427	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef);
1327	PUTBACK;	1428	PUTBACK;
1328	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1429	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1329	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1430	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1330	SPAGAIN;	1431	SPAGAIN;
1331	FREETMPS;	1432	FREETMPS;
…		…
1453	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1554	* coro body here, as perl_run destroys these. Likewise, we cannot catch
1454	* runtime errors here, as this is just a random interpreter, not a thread.	1555	* runtime errors here, as this is just a random interpreter, not a thread.
1455	*/	1556	*/
1456		1557
1457	/*	1558	/*
		1559	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1560	* requires PL_scopestack_ix, so do it here if required.
		1561	*/
		1562	if (!PL_scopestack_ix)
		1563	ENTER;
		1564
		1565	/*
1458	* If perl-run returns we assume exit() was being called or the coro	1566	* If perl-run returns we assume exit() was being called or the coro
1459	* fell off the end, which seems to be the only valid (non-bug)	1567	* fell off the end, which seems to be the only valid (non-bug)
1460	* reason for perl_run to return. We try to mimic whatever perl is normally	1568	* reason for perl_run to return. We try to mimic whatever perl is normally
1461	* doing in that case. YMMV.	1569	* doing in that case. YMMV.
1462	*/	1570	*/
…		…
1888	/* nothing to schedule: call the idle handler */	1996	/* nothing to schedule: call the idle handler */
1889	if (SvROK (sv_idle)	1997	if (SvROK (sv_idle)
1890	&& SvOBJECT (SvRV (sv_idle)))	1998	&& SvOBJECT (SvRV (sv_idle)))
1891	{	1999	{
1892	if (SvRV (sv_idle) == SvRV (coro_current))	2000	if (SvRV (sv_idle) == SvRV (coro_current))
		2001	{
		2002	require_pv ("Carp");
		2003
		2004	{
		2005	dSP;
		2006
		2007	ENTER;
		2008	SAVETMPS;
		2009
		2010	PUSHMARK (SP);
1893	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2011	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2012	PUTBACK;
		2013	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2014
		2015	FREETMPS;
		2016	LEAVE;
		2017	}
		2018	}
1894		2019
1895	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2020	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1896	api_ready (aTHX_ SvRV (sv_idle));	2021	api_ready (aTHX_ SvRV (sv_idle));
1897	--coro_nready;	2022	--coro_nready;
1898	}	2023	}
…		…
2202	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2327	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2203	}	2328	}
2204	else	2329	else
2205	{	2330	{
2206	struct coro *self = SvSTATE_current;	2331	struct coro *self = SvSTATE_current;
		2332
		2333	if (!self)
		2334	croak ("Coro::cancel called outside of thread content,");
2207		2335
2208	/* otherwise we cancel directly, purely for speed reasons	2336	/* otherwise we cancel directly, purely for speed reasons
2209	* unfortunately, this requires some magic trickery, as	2337	* unfortunately, this requires some magic trickery, as
2210	* somebody else could cancel us, so we have to fight the cancellation.	2338	* somebody else could cancel us, so we have to fight the cancellation.
2211	* this is ugly, and hopefully fully worth the extra speed.	2339	* this is ugly, and hopefully fully worth the extra speed.
…		…
2244	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)	2372	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)
2245	{	2373	{
2246	if (coro->cctx)	2374	if (coro->cctx)
2247	croak ("coro inside C callback, unable to cancel at this time, caught");	2375	croak ("coro inside C callback, unable to cancel at this time, caught");
2248		2376
2249	if (coro->flags & CF_NEW)	2377	if (coro->flags & (CF_NEW \| CF_ZOMBIE))
2250	{	2378	{
2251	coro_set_status (aTHX_ coro, arg, items);	2379	coro_set_status (aTHX_ coro, arg, items);
2252	coro_state_destroy (aTHX_ coro);	2380	coro_state_destroy (aTHX_ coro);
2253	}	2381	}
2254	else	2382	else
…		…
2321	else	2449	else
2322	{	2450	{
2323	av_clear (GvAV (PL_defgv));	2451	av_clear (GvAV (PL_defgv));
2324	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2452	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2325		2453
		2454	if (ecb_expect_false (coro->swap_sv))
		2455	{
		2456	SWAP_SVS_LEAVE (coro);
		2457	SvREFCNT_dec_NN (coro->swap_sv);
		2458	coro->swap_sv = 0;
		2459	}
		2460
2326	coro->prio = 0;	2461	coro->prio = 0;
2327		2462
2328	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2463	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2329	api_trace (aTHX_ coro_current, 0);	2464	api_trace (aTHX_ coro_current, 0);
2330		2465
2331	frame->prepare = prepare_schedule;	2466	frame->prepare = prepare_schedule;
2332	av_push (av_async_pool, SvREFCNT_inc (hv));	2467	av_push (av_async_pool, SvREFCNT_inc (hv));
2333	}	2468	}
…		…
2553		2688
2554	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2689	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2555	static void	2690	static void
2556	slf_destroy (pTHX_ struct coro *coro)	2691	slf_destroy (pTHX_ struct coro *coro)
2557	{	2692	{
2558	/* this callback is reserved for slf functions needing to do cleanup */	2693	struct CoroSLF frame = coro->slf_frame;
2559	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2560	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2561		2694
2562	/*	2695	/*
2563	* The on_destroy above most likely is from an SLF call.	2696	* The on_destroy below most likely is from an SLF call.
2564	* Since by definition the SLF call will not finish when we destroy	2697	* Since by definition the SLF call will not finish when we destroy
2565	* the coro, we will have to force-finish it here, otherwise	2698	* the coro, we will have to force-finish it here, otherwise
2566	* cleanup functions cannot call SLF functions.	2699	* cleanup functions cannot call SLF functions.
2567	*/	2700	*/
2568	coro->slf_frame.prepare = 0;	2701	coro->slf_frame.prepare = 0;
		2702
		2703	/* this callback is reserved for slf functions needing to do cleanup */
		2704	if (frame.destroy && frame.prepare && !PL_dirty)
		2705	frame.destroy (aTHX_ &frame);
2569	}	2706	}
2570		2707
2571	/*	2708	/*
2572	* these not obviously related functions are all rolled into one	2709	* these not obviously related functions are all rolled into one
2573	* function to increase chances that they all will call transfer with the same	2710	* function to increase chances that they all will call transfer with the same
…		…
2756	static void	2893	static void
2757	coro_pop_on_leave (pTHX_ void *coro)	2894	coro_pop_on_leave (pTHX_ void *coro)
2758	{	2895	{
2759	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2896	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2760	on_enterleave_call (aTHX_ sv_2mortal (cb));	2897	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2898	}
		2899
		2900	static void
		2901	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2902	{
		2903	if (!hook)
		2904	return;
		2905
		2906	if (!*avp)
		2907	{
		2908	*avp = newAV ();
		2909	AvREAL_off (*avp);
		2910	}
		2911
		2912	av_push (avp, (SV )hook);
		2913	av_push (avp, (SV )arg);
		2914	}
		2915
		2916	static void
		2917	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2918	{
		2919	AV av = avp;
		2920	int i;
		2921
		2922	if (!av)
		2923	return;
		2924
		2925	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2926	if (AvARRAY (av)[i] == (SV *)hook)
		2927	{
		2928	if (execute)
		2929	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2930
		2931	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2932	av_pop (av);
		2933	av_pop (av);
		2934	break;
		2935	}
		2936
		2937	if (AvFILLp (av) >= 0)
		2938	{
		2939	*avp = 0;
		2940	SvREFCNT_dec_NN (av);
		2941	}
		2942	}
		2943
		2944	static void
		2945	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2946	{
		2947	struct coro *coro = SvSTATE (coro_sv);
		2948
		2949	if (SvSTATE_current == coro)
		2950	if (enter)
		2951	enter (aTHX_ enter_arg);
		2952
		2953	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2954	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2955	}
		2956
		2957	static void
		2958	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2959	{
		2960	struct coro *coro = SvSTATE (coro_sv);
		2961
		2962	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2963	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2964	}
		2965
		2966	static void
		2967	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2968	{
		2969	struct coro *coro = SvSTATE_current;
		2970
		2971	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2972	}
		2973
		2974	static void
		2975	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2976	{
		2977	struct coro *coro = SvSTATE_current;
		2978
		2979	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2980	}
		2981
		2982	static void
		2983	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2984	{
		2985	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2986
		2987	/* this ought to be much cheaper than malloc + a single destructor call */
		2988	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		2989	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2761	}	2990	}
2762		2991
2763	/*****************************************************************************/	2992	/*****************************************************************************/
2764	/* PerlIO::cede */	2993	/* PerlIO::cede */
2765		2994
…		…
2895	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3124	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2896	PUTBACK;	3125	PUTBACK;
2897	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3126	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2898	}	3127	}
2899		3128
2900	SvREFCNT_dec (cb);	3129	SvREFCNT_dec_NN (cb);
2901	}	3130	}
2902	}	3131	}
2903		3132
2904	static void	3133	static void
2905	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3134	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2913	{	3142	{
2914	AV av = (AV )frame->data;	3143	AV av = (AV )frame->data;
2915	SV *count_sv = AvARRAY (av)[0];	3144	SV *count_sv = AvARRAY (av)[0];
2916	SV *coro_hv = SvRV (coro_current);	3145	SV *coro_hv = SvRV (coro_current);
2917		3146
		3147	frame->destroy = 0;
		3148
2918	/* if we are about to throw, don't actually acquire the lock, just throw */	3149	/* if we are about to throw, don't actually acquire the lock, just throw */
2919	if (CORO_THROW)	3150	if (ecb_expect_false (CORO_THROW))
		3151	{
		3152	/* we still might be responsible for the semaphore, so wake up others */
		3153	coro_semaphore_adjust (aTHX_ av, 0);
		3154
2920	return 0;	3155	return 0;
		3156	}
2921	else if (SvIVX (count_sv) > 0)	3157	else if (SvIVX (count_sv) > 0)
2922	{	3158	{
2923	frame->destroy = 0;
2924
2925	if (acquire)	3159	if (acquire)
2926	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3160	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2927	else	3161	else
2928	coro_semaphore_adjust (aTHX_ av, 0);	3162	coro_semaphore_adjust (aTHX_ av, 0);
2929		3163
…		…
3040	{	3274	{
3041	api_ready (aTHX_ cb);	3275	api_ready (aTHX_ cb);
3042	sv_setiv (cb, 0); /* signal waiter */	3276	sv_setiv (cb, 0); /* signal waiter */
3043	}	3277	}
3044		3278
3045	SvREFCNT_dec (cb);	3279	SvREFCNT_dec_NN (cb);
3046		3280
3047	--count;	3281	--count;
3048	}	3282	}
3049	}	3283	}
3050		3284
…		…
3135	}	3369	}
3136		3370
3137	av_push (state, data_sv);	3371	av_push (state, data_sv);
3138		3372
3139	api_ready (aTHX_ coro);	3373	api_ready (aTHX_ coro);
3140	SvREFCNT_dec (coro);	3374	SvREFCNT_dec_NN (coro);
3141	SvREFCNT_dec ((AV *)state);	3375	SvREFCNT_dec_NN ((AV *)state);
3142	}	3376	}
3143		3377
3144	static int	3378	static int
3145	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3379	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3146	{	3380	{
…		…
3164	errno = data->errorno;	3398	errno = data->errorno;
3165	PL_laststype = data->laststype;	3399	PL_laststype = data->laststype;
3166	PL_laststatval = data->laststatval;	3400	PL_laststatval = data->laststatval;
3167	PL_statcache = data->statcache;	3401	PL_statcache = data->statcache;
3168		3402
3169	SvREFCNT_dec (data_sv);	3403	SvREFCNT_dec_NN (data_sv);
3170	}	3404	}
3171		3405
3172	/* push result values */	3406	/* push result values */
3173	{	3407	{
3174	dSP;	3408	dSP;
…		…
3363		3597
3364	map_len = load_len + save_len + 16;	3598	map_len = load_len + save_len + 16;
3365		3599
3366	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3600	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3367		3601
		3602	if (map_base == (char *)MAP_FAILED)
		3603	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3604
3368	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3605	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3369		3606
3370	load_perl_slots = (load_save_perl_slots_type)map_base;	3607	load_perl_slots = (load_save_perl_slots_type)map_base;
3371	memcpy (map_base, load_ptr, load_len);	3608	memcpy (map_base, load_ptr, load_len);
3372		3609
…		…
3389		3626
3390	PROTOTYPES: DISABLE	3627	PROTOTYPES: DISABLE
3391		3628
3392	BOOT:	3629	BOOT:
3393	{	3630	{
		3631	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3632	#include "state.h"
3394	#ifdef USE_ITHREADS	3633	#ifdef USE_ITHREADS
3395	# if CORO_PTHREAD	3634	# if CORO_PTHREAD
3396	coro_thx = PERL_GET_CONTEXT;	3635	coro_thx = PERL_GET_CONTEXT;
3397	# endif	3636	# endif
3398	#endif	3637	#endif
…		…
3406	cctx_current = cctx_new_empty ();	3645	cctx_current = cctx_new_empty ();
3407		3646
3408	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3647	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3409	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3648	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3410		3649
3411	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3650	{
3412	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3651	/*
3413	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3652	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3653	* by coro_sig_vtbl in hash values.
		3654	*/
		3655	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3656
		3657	/* this only works if perl doesn't have a vtbl for %SIG */
		3658	assert (!mg->mg_virtual);
		3659
		3660	/*
		3661	* The irony is that the perl API itself asserts that mg_virtual
		3662	* must be non-const, yet perl5porters insisted on marking their
		3663	* vtbls as read-only, just to thwart perl modules from patching
		3664	* them.
		3665	*/
		3666	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3667	mg->mg_flags \|= MGf_COPY;
		3668
		3669	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3670	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3671	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3672	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3673	}
3414		3674
3415	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3416	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3675	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3417	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3676	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3418		3677
3419	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3678	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
3420		3679
…		…
3726	if (ecb_expect_false (current == self))	3985	if (ecb_expect_false (current == self))
3727	coro_times_sub (SvSTATE (coro_current));	3986	coro_times_sub (SvSTATE (coro_current));
3728	}	3987	}
3729		3988
3730	void	3989	void
3731	swap_sv (Coro::State coro, SV sv, SV swapsv)	3990	swap_sv (Coro::State coro, SV sva, SV svb)
3732	CODE:	3991	CODE:
3733	{	3992	{
3734	struct coro *current = SvSTATE_current;	3993	struct coro *current = SvSTATE_current;
		3994	AV *swap_sv;
		3995	int i;
		3996
		3997	sva = SvRV (sva);
		3998	svb = SvRV (svb);
3735		3999
3736	if (current == coro)	4000	if (current == coro)
3737	SWAP_SVS (current);	4001	SWAP_SVS_LEAVE (current);
3738		4002
3739	if (!coro->swap_sv)	4003	if (!coro->swap_sv)
3740	coro->swap_sv = newAV ();	4004	coro->swap_sv = newAV ();
3741		4005
		4006	swap_sv = coro->swap_sv;
		4007
		4008	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4009	{
		4010	SV *a = AvARRAY (swap_sv)[i ];
		4011	SV *b = AvARRAY (swap_sv)[i + 1];
		4012
		4013	if (a == sva && b == svb)
		4014	{
		4015	SvREFCNT_dec_NN (a);
		4016	SvREFCNT_dec_NN (b);
		4017
		4018	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4019	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4020
		4021	AvFILLp (swap_sv) -= 2;
		4022
		4023	goto removed;
		4024	}
		4025	}
		4026
3742	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4027	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3743	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4028	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4029
		4030	removed:
3744		4031
3745	if (current == coro)	4032	if (current == coro)
3746	SWAP_SVS (current);	4033	SWAP_SVS_ENTER (current);
3747	}	4034	}
3748		4035
3749		4036
3750	MODULE = Coro::State PACKAGE = Coro	4037	MODULE = Coro::State PACKAGE = Coro
3751		4038
3752	BOOT:	4039	BOOT:
3753	{	4040	{
		4041	if (SVt_LAST > 32)
		4042	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4043
3754	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4044	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3755	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4045	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3756	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4046	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3757	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4047	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3758	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4048	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3784	coroapi.ready = api_ready;	4074	coroapi.ready = api_ready;
3785	coroapi.is_ready = api_is_ready;	4075	coroapi.is_ready = api_is_ready;
3786	coroapi.nready = coro_nready;	4076	coroapi.nready = coro_nready;
3787	coroapi.current = coro_current;	4077	coroapi.current = coro_current;
3788		4078
		4079	coroapi.enterleave_hook = api_enterleave_hook;
		4080	coroapi.enterleave_unhook = api_enterleave_unhook;
		4081	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4082
3789	/GCoroAPI = &coroapi;/	4083	/GCoroAPI = &coroapi;/
3790	sv_setiv (sv, (IV)&coroapi);	4084	sv_setiv (sv, PTR2IV (&coroapi));
3791	SvREADONLY_on (sv);	4085	SvREADONLY_on (sv);
3792	}	4086	}
3793	}	4087	}
3794		4088
3795	SV *	4089	SV *
…		…
3858		4152
3859	void	4153	void
3860	_set_current (SV *current)	4154	_set_current (SV *current)
3861	PROTOTYPE: $	4155	PROTOTYPE: $
3862	CODE:	4156	CODE:
3863	SvREFCNT_dec (SvRV (coro_current));	4157	SvREFCNT_dec_NN (SvRV (coro_current));
3864	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4158	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3865		4159
3866	void	4160	void
3867	_set_readyhook (SV *hook)	4161	_set_readyhook (SV *hook)
3868	PROTOTYPE: $	4162	PROTOTYPE: $
…		…
3952		4246
3953	if ((SV *)hv == &PL_sv_undef)	4247	if ((SV *)hv == &PL_sv_undef)
3954	{	4248	{
3955	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4249	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3956	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4250	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3957	SvREFCNT_dec (sv);	4251	SvREFCNT_dec_NN (sv);
3958	}	4252	}
3959		4253
3960	{	4254	{
3961	struct coro *coro = SvSTATE_hv (hv);	4255	struct coro *coro = SvSTATE_hv (hv);
3962		4256
…		…
3969	api_ready (aTHX_ (SV *)hv);	4263	api_ready (aTHX_ (SV *)hv);
3970		4264
3971	if (GIMME_V != G_VOID)	4265	if (GIMME_V != G_VOID)
3972	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4266	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3973	else	4267	else
3974	SvREFCNT_dec (hv);	4268	SvREFCNT_dec_NN (hv);
3975	}	4269	}
3976		4270
3977	SV *	4271	SV *
3978	rouse_cb ()	4272	rouse_cb ()
3979	PROTOTYPE:	4273	PROTOTYPE:
…		…
4058	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4352	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4059	OUTPUT:	4353	OUTPUT:
4060	RETVAL	4354	RETVAL
4061		4355
4062	void	4356	void
4063	up (SV *self, int adjust = 1)	4357	up (SV *self)
4064	ALIAS:
4065	adjust = 1
4066	CODE:	4358	CODE:
		4359	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4360
		4361	void
		4362	adjust (SV *self, int adjust)
		4363	CODE:
4067	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4364	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4068		4365
4069	void	4366	void
4070	down (...)	4367	down (...)
4071	CODE:	4368	CODE:
4072	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4369	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);

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+Removed lines
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+Changed lines
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Comparing Coro/Coro/State.xs (file contents): Revision 1.433 by root, Thu May 9 05:40:14 2013 UTC vs. Revision 1.472 by root, Thu Aug 31 16:24:19 2017 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.433 by root, Thu May 9 05:40:14 2013 UTC vs.
Revision 1.472 by root, Thu Aug 31 16:24:19 2017 UTC