[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 1.470 by root, Fri Jul 14 13:14:32 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	#if PERL_VERSION_ATLEAST(5,24,0)
		122	# define SUB_ARGARRAY PL_curpad[0]
		123	#else
		124	# define SUB_ARGARRAY (SV *)cx->blk_sub.argarray
		125	#endif
		126
		127	/* perl usually suppresses asserts. for debugging, we sometimes force it to be on */
		128	#if 0
		129	# undef NDEBUG
		130	# include <assert.h>
		131	#endif
		132
100	static double (nvtime)(); / so why doesn't it take void? */	133	static double (nvtime)(); / so why doesn't it take void? */
101	static void (*u2time)(pTHX_ UV ret[2]);	134	static void (*u2time)(pTHX_ UV ret[2]);
102		135
103	/* we hijack an hopefully unused CV flag for our purposes */	136	/* we hijack an hopefully unused CV flag for our purposes */
104	#define CVf_SLF 0x4000	137	#define CVf_SLF 0x4000
…		…
119		152
120	static GV irsgv; / $/ */	153	static GV irsgv; / $/ */
121	static GV stdoutgv; / STDOUT /	154	static GV stdoutgv; / STDOUT /
122	static SV *rv_diehook;	155	static SV *rv_diehook;
123	static SV *rv_warnhook;	156	static SV *rv_warnhook;
124	static HV hv_sig; / %SIG */
125		157
126	/* async_pool helper stuff */	158	/* async_pool helper stuff */
127	static SV *sv_pool_rss;	159	static SV *sv_pool_rss;
128	static SV *sv_pool_size;	160	static SV *sv_pool_size;
129	static SV sv_async_pool_idle; / description string */	161	static SV sv_async_pool_idle; / description string */
…		…
235	SV *saved_deffh;	267	SV *saved_deffh;
236	SV *invoke_cb;	268	SV *invoke_cb;
237	AV *invoke_av;	269	AV *invoke_av;
238		270
239	/* on_enter/on_leave */	271	/* on_enter/on_leave */
240	AV *on_enter;	272	AV on_enter; AV on_enter_xs;
241	AV *on_leave;	273	AV on_leave; AV on_leave_xs;
242		274
243	/* swap_sv */	275	/* swap_sv */
244	AV *swap_sv;	276	AV *swap_sv;
245		277
246	/* times */	278	/* times */
…		…
482		514
483	return 0;	515	return 0;
484	}	516	}
485		517
486	ecb_inline struct coro *	518	ecb_inline struct coro *
487	SvSTATE_ (pTHX_ SV *coro)	519	SvSTATE_ (pTHX_ SV *coro_sv)
488	{	520	{
489	MAGIC *mg;	521	MAGIC *mg;
490		522
491	if (SvROK (coro))	523	if (SvROK (coro_sv))
492	coro = SvRV (coro);	524	coro_sv = SvRV (coro_sv);
493		525
494	mg = SvSTATEhv_p (aTHX_ coro);	526	mg = SvSTATEhv_p (aTHX_ coro_sv);
495	if (!mg)	527	if (!mg)
496	croak ("Coro::State object required");	528	croak ("Coro::State object required");
497		529
498	return (struct coro *)mg->mg_ptr;	530	return (struct coro *)mg->mg_ptr;
499	}	531	}
…		…
510	ecb_inline PADLIST *	542	ecb_inline PADLIST *
511	coro_derive_padlist (pTHX_ CV *cv)	543	coro_derive_padlist (pTHX_ CV *cv)
512	{	544	{
513	PADLIST *padlist = CvPADLIST (cv);	545	PADLIST *padlist = CvPADLIST (cv);
514	PADLIST *newpadlist;	546	PADLIST *newpadlist;
		547	PADNAMELIST *padnames;
515	PAD *newpad;	548	PAD *newpad;
516	PADOFFSET const off = PadlistMAX (padlist) + 1;	549	PADOFFSET off = PadlistMAX (padlist) + 1;
517		550
518	newPADLIST(newpadlist);	551	#if NEWPADAPI
519	#if !PERL_VERSION_ATLEAST(5,15,3)	552
520	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	553	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
521	AvREAL_off (newpadlist);	554	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
522	#endif	555	while (!PadlistARRAY (padlist)[off - 1])
		556	--off;
		557
		558	Perl_pad_push (aTHX_ padlist, off);
		559
		560	newpad = PadlistARRAY (padlist)[off];
		561	PadlistARRAY (padlist)[off] = 0;
		562
		563	#else
		564
523	#if PERL_VERSION_ATLEAST (5,10,0)	565	#if PERL_VERSION_ATLEAST (5,10,0)
524	Perl_pad_push (aTHX_ padlist, off);	566	Perl_pad_push (aTHX_ padlist, off);
525	#else	567	#else
526	Perl_pad_push (aTHX_ padlist, off, 1);	568	Perl_pad_push (aTHX_ padlist, off, 1);
527	#endif	569	#endif
		570
528	newpad = PadlistARRAY (padlist)[off];	571	newpad = PadlistARRAY (padlist)[off];
529	PadlistMAX (padlist) = off - 1;	572	PadlistMAX (padlist) = off - 1;
530		573
		574	#endif
		575
		576	newPADLIST (newpadlist);
		577	#if !PERL_VERSION_ATLEAST(5,15,3)
		578	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		579	AvREAL_off (newpadlist);
		580	#endif
		581
531	/* Already extended to 2 elements by newPADLIST. */	582	/* Already extended to 2 elements by newPADLIST. */
532	PadlistMAX (newpadlist) = 1;	583	PadlistMAX (newpadlist) = 1;
533	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	584
		585	padnames = PadlistNAMES (padlist);
		586	++PadnamelistREFCNT (padnames);
		587	PadlistNAMES (newpadlist) = padnames;
		588
534	PadlistARRAY (newpadlist)[1] = newpad;	589	PadlistARRAY (newpadlist)[1] = newpad;
535		590
536	return newpadlist;	591	return newpadlist;
537	}	592	}
538		593
…		…
546		601
547	while (i > 0) /* special-case index 0 */	602	while (i > 0) /* special-case index 0 */
548	{	603	{
549	/* we try to be extra-careful here */	604	/* we try to be extra-careful here */
550	PAD *pad = PadlistARRAY (padlist)[i--];	605	PAD *pad = PadlistARRAY (padlist)[i--];
		606
		607	if (pad)
		608	{
551	I32 j = PadMAX (pad);	609	I32 j = PadMAX (pad);
552		610
553	while (j >= 0)	611	while (j >= 0)
554	SvREFCNT_dec (PadARRAY (pad)[j--]);	612	SvREFCNT_dec (PadARRAY (pad)[j--]);
555		613
556	PadMAX (pad) = -1;	614	PadMAX (pad) = -1;
557	SvREFCNT_dec (pad);	615	SvREFCNT_dec (pad);
		616	}
558	}	617	}
559		618
560	SvREFCNT_dec (PadlistNAMES (padlist));	619	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
561		620
562	#ifdef NEWPADAPI	621	#if NEWPADAPI
563	Safefree (PadlistARRAY (padlist));	622	Safefree (PadlistARRAY (padlist));
564	Safefree (padlist);	623	Safefree (padlist);
565	#else	624	#else
566	AvFILLp (padlist) = -1;	625	AvFILLp (padlist) = -1;
567	AvREAL_off (padlist);	626	AvREAL_off (padlist);
…		…
661	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;	720	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
662		721
663	/* if SvANY points to the head, we need to adjust the pointers,	722	/* 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.	723	* as the pointer for a still points to b, and maybe vice versa.
665	*/	724	*/
666	#define svany_in_head(type) \	725	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)))	726	#if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
		727	svany_in_head_set \|= 1 << SVt_NV;
		728	#endif
		729
		730	#define svany_in_head(type) (svany_in_head_set & (1 << (type)))
668		731
669	if (svany_in_head (SvTYPE (a)))	732	if (svany_in_head (SvTYPE (a)))
670	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	733	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
671		734
672	if (svany_in_head (SvTYPE (b)))	735	if (svany_in_head (SvTYPE (b)))
…		…
675	#endif	738	#endif
676	}	739	}
677		740
678	/* swap sv heads, at least logically */	741	/* swap sv heads, at least logically */
679	static void	742	static void
680	swap_svs (pTHX_ Coro__State c)	743	swap_svs_enter (pTHX_ Coro__State c)
681	{	744	{
682	int i;	745	int i;
683		746
684	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	747	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
685	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);	748	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
686	}	749	}
687		750
		751	static void
		752	swap_svs_leave (pTHX_ Coro__State c)
		753	{
		754	int i;
		755
		756	for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
		757	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
		758	}
		759
688	#define SWAP_SVS(coro) \	760	#define SWAP_SVS_ENTER(coro) \
689	if (ecb_expect_false ((coro)->swap_sv)) \	761	if (ecb_expect_false ((coro)->swap_sv)) \
690	swap_svs (aTHX_ (coro))	762	swap_svs_enter (aTHX_ (coro))
		763
		764	#define SWAP_SVS_LEAVE(coro) \
		765	if (ecb_expect_false ((coro)->swap_sv)) \
		766	swap_svs_leave (aTHX_ (coro))
691		767
692	static void	768	static void
693	on_enterleave_call (pTHX_ SV *cb);	769	on_enterleave_call (pTHX_ SV *cb);
694		770
695	static void	771	static void
…		…
740		816
741	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	817	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
742	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	818	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
743	}	819	}
744		820
		821	if (ecb_expect_false (c->on_enter_xs))
		822	{
		823	int i;
		824
		825	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		826	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		827	}
		828
745	SWAP_SVS (c);	829	SWAP_SVS_ENTER (c);
746	}	830	}
747		831
748	static void	832	static void
749	save_perl (pTHX_ Coro__State c)	833	save_perl (pTHX_ Coro__State c)
750	{	834	{
751	SWAP_SVS (c);	835	SWAP_SVS_LEAVE (c);
		836
		837	if (ecb_expect_false (c->on_leave_xs))
		838	{
		839	int i;
		840
		841	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		842	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		843	}
752		844
753	if (ecb_expect_false (c->on_leave))	845	if (ecb_expect_false (c->on_leave))
754	{	846	{
755	int i;	847	int i;
756		848
…		…
883	#endif	975	#endif
884		976
885	New(54,PL_savestack,24,ANY);	977	New(54,PL_savestack,24,ANY);
886	PL_savestack_ix = 0;	978	PL_savestack_ix = 0;
887	PL_savestack_max = 24;	979	PL_savestack_max = 24;
		980	#if PERL_VERSION_ATLEAST (5,24,0)
		981	/* perl 5.24 moves SS_MAXPUSH optimisation from */
		982	/* the header macros to PL_savestack_max */
		983	PL_savestack_max -= SS_MAXPUSH;
		984	#endif
888		985
889	#if !PERL_VERSION_ATLEAST (5,10,0)	986	#if !PERL_VERSION_ATLEAST (5,10,0)
890	New(54,PL_retstack,4,OP*);	987	New(54,PL_retstack,4,OP*);
891	PL_retstack_ix = 0;	988	PL_retstack_ix = 0;
892	PL_retstack_max = 4;	989	PL_retstack_max = 4;
…		…
958	}	1055	}
959		1056
960	return rss;	1057	return rss;
961	}	1058	}
962		1059
963	/ coroutine stack handling **********************************************/	1060	/ 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		1061
969	/* apparently < 5.8.8 */	1062	/* apparently < 5.8.8 */
970	#ifndef MgPV_nolen_const	1063	#ifndef MgPV_nolen_const
971	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1064	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
972	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1065	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
973	(const char*)(mg)->mg_ptr)	1066	(const char*)(mg)->mg_ptr)
974	#endif	1067	#endif
		1068
		1069	/* this will be a patched copy of PL_vtbl_sigelem */
		1070	static MGVTBL coro_sigelem_vtbl;
		1071
		1072	static int ecb_cold
		1073	coro_sig_copy (pTHX_ SV sv, MAGIC mg, SV nsv, const char name, I32 namlen)
		1074	{
		1075	char key = SvPV_nolen ((SV )name);
		1076
		1077	/* do what mg_copy normally does */
		1078	sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
		1079	assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
		1080
		1081	/* patch sigelem vtbl, but only for __WARN__ and __DIE__ */
		1082	if (*key == '_'
		1083	&& (strEQ (key, "__DIE__")
		1084	\|\| strEQ (key, "__WARN__")))
		1085	mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
		1086
		1087	return 1;
		1088	}
		1089
		1090	/* perl does not have a %SIG vtbl, we provide one so we can override */
		1091	/* the magic vtbl for the __DIE__ and __WARN__ members */
		1092	static const MGVTBL coro_sig_vtbl = {
		1093	0, 0, 0, 0, 0,
		1094	coro_sig_copy
		1095	};
975		1096
976	/*	1097	/*
977	* This overrides the default magic get method of %SIG elements.	1098	* 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	1099	* 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),	1100	* and instead of trying to save and restore the hash elements (extremely slow),
…		…
981	*/	1102	*/
982	static int ecb_cold	1103	static int ecb_cold
983	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	1104	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
984	{	1105	{
985	const char *s = MgPV_nolen_const (mg);	1106	const char *s = MgPV_nolen_const (mg);
		1107	/* the key must be either __DIE__ or __WARN__ here */
		1108	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
986		1109
987	if (*s == '_')	1110	SV *ssv;
988	{
989	SV **svp = 0;
990		1111
991	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
992	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
993
994	if (svp)	1112	if (!*svp)
995	{
996	SV *ssv;
997
998	if (!*svp)
999	ssv = &PL_sv_undef;	1113	ssv = &PL_sv_undef;
1000	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */	1114	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */
1001	ssv = sv_2mortal (newRV_inc (*svp));	1115	ssv = sv_2mortal (newRV_inc (*svp));
1002	else	1116	else
1003	ssv = *svp;	1117	ssv = *svp;
1004		1118
1005	sv_setsv (sv, ssv);	1119	sv_setsv (sv, ssv);
1006	return 0;	1120	return 0;
1007	}
1008	}
1009
1010	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1011	}	1121	}
1012		1122
1013	static int ecb_cold	1123	static int ecb_cold
1014	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1124	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1015	{	1125	{
1016	const char *s = MgPV_nolen_const (mg);	1126	const char *s = MgPV_nolen_const (mg);
		1127	/* the key must be either __DIE__ or __WARN__ here */
		1128	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1017		1129
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;	1130	SV old = svp;
1028	*svp = 0;	1131	*svp = 0;
1029	SvREFCNT_dec (old);	1132	SvREFCNT_dec (old);
1030	return 0;	1133	return 0;
1031	}
1032	}
1033
1034	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1035	}	1134	}
1036		1135
1037	static int ecb_cold	1136	static int ecb_cold
1038	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1137	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1039	{	1138	{
1040	const char *s = MgPV_nolen_const (mg);	1139	const char *s = MgPV_nolen_const (mg);
		1140	/* the key must be either __DIE__ or __WARN__ here */
		1141	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1041		1142
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;	1143	SV old = svp;
1052	*svp = SvOK (sv) ? newSVsv (sv) : 0;	1144	*svp = SvOK (sv) ? newSVsv (sv) : 0;
1053	SvREFCNT_dec (old);	1145	SvREFCNT_dec (old);
1054	return 0;	1146	return 0;
1055	}
1056	}
1057
1058	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
1059	}	1147	}
1060		1148
1061	static void	1149	static void
1062	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1150	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1063	{	1151	{
…		…
1074	static int	1162	static int
1075	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1163	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1076	{	1164	{
1077	return 1;	1165	return 1;
1078	}	1166	}
		1167
		1168	/ coroutine stack handling **********************************************/
1079		1169
1080	static UNOP init_perl_op;	1170	static UNOP init_perl_op;
1081		1171
1082	ecb_noinline static void /* noinline to keep it out of the transfer fast path */	1172	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1083	init_perl (pTHX_ struct coro *coro)	1173	init_perl (pTHX_ struct coro *coro)
…		…
1109		1199
1110	GvSV (PL_defgv) = newSV (0);	1200	GvSV (PL_defgv) = newSV (0);
1111	GvAV (PL_defgv) = coro->args; coro->args = 0;	1201	GvAV (PL_defgv) = coro->args; coro->args = 0;
1112	GvSV (PL_errgv) = newSV (0);	1202	GvSV (PL_errgv) = newSV (0);
1113	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1203	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1114	GvHV (PL_hintgv) = 0;	1204	GvHV (PL_hintgv) = newHV ();
		1205	#if PERL_VERSION_ATLEAST (5,10,0)
		1206	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1207	#endif
1115	PL_rs = newSVsv (GvSV (irsgv));	1208	PL_rs = newSVsv (GvSV (irsgv));
1116	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1209	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1117		1210
1118	{	1211	{
1119	dSP;	1212	dSP;
…		…
1147	PL_op = (OP *)&init_perl_op;	1240	PL_op = (OP *)&init_perl_op;
1148		1241
1149	/* copy throw, in case it was set before init_perl */	1242	/* copy throw, in case it was set before init_perl */
1150	CORO_THROW = coro->except;	1243	CORO_THROW = coro->except;
1151		1244
1152	SWAP_SVS (coro);	1245	SWAP_SVS_ENTER (coro);
1153		1246
1154	if (ecb_expect_false (enable_times))	1247	if (ecb_expect_false (enable_times))
1155	{	1248	{
1156	coro_times_update ();	1249	coro_times_update ();
1157	coro_times_sub (coro);	1250	coro_times_sub (coro);
…		…
1195	/* this will cause transfer_check to croak on block*/	1288	/* this will cause transfer_check to croak on block*/
1196	SvRV_set (coro_current, (SV *)coro->hv);	1289	SvRV_set (coro_current, (SV *)coro->hv);
1197		1290
1198	load_perl (aTHX_ coro);	1291	load_perl (aTHX_ coro);
1199		1292
		1293	/* restore swapped sv's */
		1294	SWAP_SVS_LEAVE (coro);
		1295
1200	coro_unwind_stacks (aTHX);	1296	coro_unwind_stacks (aTHX);
1201
1202	/* restore swapped sv's */
1203	SWAP_SVS (coro);
1204		1297
1205	coro_destruct_stacks (aTHX);	1298	coro_destruct_stacks (aTHX);
1206		1299
1207	/* now save some sv's to be free'd later */	1300	/* now save some sv's to be free'd later */
1208	svf [0] = GvSV (PL_defgv);	1301	svf [0] = GvSV (PL_defgv);
…		…
1229		1322
1230	SvREFCNT_dec (coro->saved_deffh);	1323	SvREFCNT_dec (coro->saved_deffh);
1231	SvREFCNT_dec (coro->rouse_cb);	1324	SvREFCNT_dec (coro->rouse_cb);
1232	SvREFCNT_dec (coro->invoke_cb);	1325	SvREFCNT_dec (coro->invoke_cb);
1233	SvREFCNT_dec (coro->invoke_av);	1326	SvREFCNT_dec (coro->invoke_av);
		1327	SvREFCNT_dec (coro->on_enter_xs);
		1328	SvREFCNT_dec (coro->on_leave_xs);
1234	}	1329	}
1235	}	1330	}
1236		1331
1237	ecb_inline void	1332	ecb_inline void
1238	free_coro_mortal (pTHX)	1333	free_coro_mortal (pTHX)
…		…
1301		1396
1302	if (PL_curcop != &PL_compiling)	1397	if (PL_curcop != &PL_compiling)
1303	{	1398	{
1304	SV **cb;	1399	SV **cb;
1305		1400
1306	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1401	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1307	{	1402	{
1308	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1403	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1309		1404
1310	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1405	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1311	{	1406	{
…		…
1321	SAVETMPS;	1416	SAVETMPS;
1322	EXTEND (SP, 3);	1417	EXTEND (SP, 3);
1323	PUSHMARK (SP);	1418	PUSHMARK (SP);
1324	PUSHs (&PL_sv_yes);	1419	PUSHs (&PL_sv_yes);
1325	PUSHs (fullname);	1420	PUSHs (fullname);
1326	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1421	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef);
1327	PUTBACK;	1422	PUTBACK;
1328	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1423	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);	1424	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1330	SPAGAIN;	1425	SPAGAIN;
1331	FREETMPS;	1426	FREETMPS;
…		…
1453	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1548	* 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.	1549	* runtime errors here, as this is just a random interpreter, not a thread.
1455	*/	1550	*/
1456		1551
1457	/*	1552	/*
		1553	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1554	* requires PL_scopestack_ix, so do it here if required.
		1555	*/
		1556	if (!PL_scopestack_ix)
		1557	ENTER;
		1558
		1559	/*
1458	* If perl-run returns we assume exit() was being called or the coro	1560	* 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)	1561	* 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	1562	* reason for perl_run to return. We try to mimic whatever perl is normally
1461	* doing in that case. YMMV.	1563	* doing in that case. YMMV.
1462	*/	1564	*/
…		…
1888	/* nothing to schedule: call the idle handler */	1990	/* nothing to schedule: call the idle handler */
1889	if (SvROK (sv_idle)	1991	if (SvROK (sv_idle)
1890	&& SvOBJECT (SvRV (sv_idle)))	1992	&& SvOBJECT (SvRV (sv_idle)))
1891	{	1993	{
1892	if (SvRV (sv_idle) == SvRV (coro_current))	1994	if (SvRV (sv_idle) == SvRV (coro_current))
		1995	{
		1996	require_pv ("Carp");
		1997
		1998	{
		1999	dSP;
		2000
		2001	ENTER;
		2002	SAVETMPS;
		2003
		2004	PUSHMARK (SP);
1893	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2005	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2006	PUTBACK;
		2007	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2008
		2009	FREETMPS;
		2010	LEAVE;
		2011	}
		2012	}
1894		2013
1895	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2014	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1896	api_ready (aTHX_ SvRV (sv_idle));	2015	api_ready (aTHX_ SvRV (sv_idle));
1897	--coro_nready;	2016	--coro_nready;
1898	}	2017	}
…		…
2202	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2321	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2203	}	2322	}
2204	else	2323	else
2205	{	2324	{
2206	struct coro *self = SvSTATE_current;	2325	struct coro *self = SvSTATE_current;
		2326
		2327	if (!self)
		2328	croak ("Coro::cancel called outside of thread content,");
2207		2329
2208	/* otherwise we cancel directly, purely for speed reasons	2330	/* otherwise we cancel directly, purely for speed reasons
2209	* unfortunately, this requires some magic trickery, as	2331	* unfortunately, this requires some magic trickery, as
2210	* somebody else could cancel us, so we have to fight the cancellation.	2332	* somebody else could cancel us, so we have to fight the cancellation.
2211	* this is ugly, and hopefully fully worth the extra speed.	2333	* this is ugly, and hopefully fully worth the extra speed.
…		…
2321	else	2443	else
2322	{	2444	{
2323	av_clear (GvAV (PL_defgv));	2445	av_clear (GvAV (PL_defgv));
2324	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2446	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2325		2447
		2448	if (ecb_expect_false (coro->swap_sv))
		2449	{
		2450	SWAP_SVS_LEAVE (coro);
		2451	SvREFCNT_dec_NN (coro->swap_sv);
		2452	coro->swap_sv = 0;
		2453	}
		2454
2326	coro->prio = 0;	2455	coro->prio = 0;
2327		2456
2328	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2457	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2329	api_trace (aTHX_ coro_current, 0);	2458	api_trace (aTHX_ coro_current, 0);
2330		2459
2331	frame->prepare = prepare_schedule;	2460	frame->prepare = prepare_schedule;
2332	av_push (av_async_pool, SvREFCNT_inc (hv));	2461	av_push (av_async_pool, SvREFCNT_inc (hv));
2333	}	2462	}
…		…
2553		2682
2554	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2683	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2555	static void	2684	static void
2556	slf_destroy (pTHX_ struct coro *coro)	2685	slf_destroy (pTHX_ struct coro *coro)
2557	{	2686	{
2558	/* this callback is reserved for slf functions needing to do cleanup */	2687	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		2688
2562	/*	2689	/*
2563	* The on_destroy above most likely is from an SLF call.	2690	* The on_destroy below most likely is from an SLF call.
2564	* Since by definition the SLF call will not finish when we destroy	2691	* Since by definition the SLF call will not finish when we destroy
2565	* the coro, we will have to force-finish it here, otherwise	2692	* the coro, we will have to force-finish it here, otherwise
2566	* cleanup functions cannot call SLF functions.	2693	* cleanup functions cannot call SLF functions.
2567	*/	2694	*/
2568	coro->slf_frame.prepare = 0;	2695	coro->slf_frame.prepare = 0;
		2696
		2697	/* this callback is reserved for slf functions needing to do cleanup */
		2698	if (frame.destroy && frame.prepare && !PL_dirty)
		2699	frame.destroy (aTHX_ &frame);
2569	}	2700	}
2570		2701
2571	/*	2702	/*
2572	* these not obviously related functions are all rolled into one	2703	* these not obviously related functions are all rolled into one
2573	* function to increase chances that they all will call transfer with the same	2704	* function to increase chances that they all will call transfer with the same
…		…
2756	static void	2887	static void
2757	coro_pop_on_leave (pTHX_ void *coro)	2888	coro_pop_on_leave (pTHX_ void *coro)
2758	{	2889	{
2759	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2890	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2760	on_enterleave_call (aTHX_ sv_2mortal (cb));	2891	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2892	}
		2893
		2894	static void
		2895	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2896	{
		2897	if (!hook)
		2898	return;
		2899
		2900	if (!*avp)
		2901	{
		2902	*avp = newAV ();
		2903	AvREAL_off (*avp);
		2904	}
		2905
		2906	av_push (avp, (SV )hook);
		2907	av_push (avp, (SV )arg);
		2908	}
		2909
		2910	static void
		2911	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2912	{
		2913	AV av = avp;
		2914	int i;
		2915
		2916	if (!av)
		2917	return;
		2918
		2919	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2920	if (AvARRAY (av)[i] == (SV *)hook)
		2921	{
		2922	if (execute)
		2923	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2924
		2925	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2926	av_pop (av);
		2927	av_pop (av);
		2928	break;
		2929	}
		2930
		2931	if (AvFILLp (av) >= 0)
		2932	{
		2933	*avp = 0;
		2934	SvREFCNT_dec_NN (av);
		2935	}
		2936	}
		2937
		2938	static void
		2939	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2940	{
		2941	struct coro *coro = SvSTATE (coro_sv);
		2942
		2943	if (SvSTATE_current == coro)
		2944	if (enter)
		2945	enter (aTHX_ enter_arg);
		2946
		2947	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2948	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2949	}
		2950
		2951	static void
		2952	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2953	{
		2954	struct coro *coro = SvSTATE (coro_sv);
		2955
		2956	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2957	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2958	}
		2959
		2960	static void
		2961	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2962	{
		2963	struct coro *coro = SvSTATE_current;
		2964
		2965	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2966	}
		2967
		2968	static void
		2969	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2970	{
		2971	struct coro *coro = SvSTATE_current;
		2972
		2973	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2974	}
		2975
		2976	static void
		2977	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2978	{
		2979	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2980
		2981	/* this ought to be much cheaper than malloc + a single destructor call */
		2982	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		2983	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2761	}	2984	}
2762		2985
2763	/*****************************************************************************/	2986	/*****************************************************************************/
2764	/* PerlIO::cede */	2987	/* PerlIO::cede */
2765		2988
…		…
2895	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3118	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2896	PUTBACK;	3119	PUTBACK;
2897	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3120	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2898	}	3121	}
2899		3122
2900	SvREFCNT_dec (cb);	3123	SvREFCNT_dec_NN (cb);
2901	}	3124	}
2902	}	3125	}
2903		3126
2904	static void	3127	static void
2905	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3128	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2913	{	3136	{
2914	AV av = (AV )frame->data;	3137	AV av = (AV )frame->data;
2915	SV *count_sv = AvARRAY (av)[0];	3138	SV *count_sv = AvARRAY (av)[0];
2916	SV *coro_hv = SvRV (coro_current);	3139	SV *coro_hv = SvRV (coro_current);
2917		3140
		3141	frame->destroy = 0;
		3142
2918	/* if we are about to throw, don't actually acquire the lock, just throw */	3143	/* if we are about to throw, don't actually acquire the lock, just throw */
2919	if (CORO_THROW)	3144	if (ecb_expect_false (CORO_THROW))
		3145	{
		3146	/* we still might be responsible for the semaphore, so wake up others */
		3147	coro_semaphore_adjust (aTHX_ av, 0);
		3148
2920	return 0;	3149	return 0;
		3150	}
2921	else if (SvIVX (count_sv) > 0)	3151	else if (SvIVX (count_sv) > 0)
2922	{	3152	{
2923	frame->destroy = 0;
2924
2925	if (acquire)	3153	if (acquire)
2926	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3154	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2927	else	3155	else
2928	coro_semaphore_adjust (aTHX_ av, 0);	3156	coro_semaphore_adjust (aTHX_ av, 0);
2929		3157
…		…
3040	{	3268	{
3041	api_ready (aTHX_ cb);	3269	api_ready (aTHX_ cb);
3042	sv_setiv (cb, 0); /* signal waiter */	3270	sv_setiv (cb, 0); /* signal waiter */
3043	}	3271	}
3044		3272
3045	SvREFCNT_dec (cb);	3273	SvREFCNT_dec_NN (cb);
3046		3274
3047	--count;	3275	--count;
3048	}	3276	}
3049	}	3277	}
3050		3278
…		…
3135	}	3363	}
3136		3364
3137	av_push (state, data_sv);	3365	av_push (state, data_sv);
3138		3366
3139	api_ready (aTHX_ coro);	3367	api_ready (aTHX_ coro);
3140	SvREFCNT_dec (coro);	3368	SvREFCNT_dec_NN (coro);
3141	SvREFCNT_dec ((AV *)state);	3369	SvREFCNT_dec_NN ((AV *)state);
3142	}	3370	}
3143		3371
3144	static int	3372	static int
3145	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3373	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3146	{	3374	{
…		…
3164	errno = data->errorno;	3392	errno = data->errorno;
3165	PL_laststype = data->laststype;	3393	PL_laststype = data->laststype;
3166	PL_laststatval = data->laststatval;	3394	PL_laststatval = data->laststatval;
3167	PL_statcache = data->statcache;	3395	PL_statcache = data->statcache;
3168		3396
3169	SvREFCNT_dec (data_sv);	3397	SvREFCNT_dec_NN (data_sv);
3170	}	3398	}
3171		3399
3172	/* push result values */	3400	/* push result values */
3173	{	3401	{
3174	dSP;	3402	dSP;
…		…
3363		3591
3364	map_len = load_len + save_len + 16;	3592	map_len = load_len + save_len + 16;
3365		3593
3366	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3594	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3367		3595
		3596	if (map_base == (char *)MAP_FAILED)
		3597	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3598
3368	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3599	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3369		3600
3370	load_perl_slots = (load_save_perl_slots_type)map_base;	3601	load_perl_slots = (load_save_perl_slots_type)map_base;
3371	memcpy (map_base, load_ptr, load_len);	3602	memcpy (map_base, load_ptr, load_len);
3372		3603
…		…
3389		3620
3390	PROTOTYPES: DISABLE	3621	PROTOTYPES: DISABLE
3391		3622
3392	BOOT:	3623	BOOT:
3393	{	3624	{
		3625	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3626	#include "state.h"
3394	#ifdef USE_ITHREADS	3627	#ifdef USE_ITHREADS
3395	# if CORO_PTHREAD	3628	# if CORO_PTHREAD
3396	coro_thx = PERL_GET_CONTEXT;	3629	coro_thx = PERL_GET_CONTEXT;
3397	# endif	3630	# endif
3398	#endif	3631	#endif
…		…
3406	cctx_current = cctx_new_empty ();	3639	cctx_current = cctx_new_empty ();
3407		3640
3408	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3641	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3409	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3642	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3410		3643
3411	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3644	{
3412	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3645	/*
3413	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3646	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3647	* by coro_sig_vtbl in hash values.
		3648	*/
		3649	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3650
		3651	/* this only works if perl doesn't have a vtbl for %SIG */
		3652	assert (!mg->mg_virtual);
		3653
		3654	/*
		3655	* The irony is that the perl API itself asserts that mg_virtual
		3656	* must be non-const, yet perl5porters insisted on marking their
		3657	* vtbls as read-only, just to thwart perl modules from patching
		3658	* them.
		3659	*/
		3660	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3661	mg->mg_flags \|= MGf_COPY;
		3662
		3663	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3664	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3665	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3666	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3667	}
3414		3668
3415	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3416	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3669	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));	3670	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3418		3671
3419	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3672	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
3420		3673
…		…
3726	if (ecb_expect_false (current == self))	3979	if (ecb_expect_false (current == self))
3727	coro_times_sub (SvSTATE (coro_current));	3980	coro_times_sub (SvSTATE (coro_current));
3728	}	3981	}
3729		3982
3730	void	3983	void
3731	swap_sv (Coro::State coro, SV sv, SV swapsv)	3984	swap_sv (Coro::State coro, SV sva, SV svb)
3732	CODE:	3985	CODE:
3733	{	3986	{
3734	struct coro *current = SvSTATE_current;	3987	struct coro *current = SvSTATE_current;
		3988	AV *swap_sv;
		3989	int i;
		3990
		3991	sva = SvRV (sva);
		3992	svb = SvRV (svb);
3735		3993
3736	if (current == coro)	3994	if (current == coro)
3737	SWAP_SVS (current);	3995	SWAP_SVS_LEAVE (current);
3738		3996
3739	if (!coro->swap_sv)	3997	if (!coro->swap_sv)
3740	coro->swap_sv = newAV ();	3998	coro->swap_sv = newAV ();
3741		3999
		4000	swap_sv = coro->swap_sv;
		4001
		4002	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4003	{
		4004	SV *a = AvARRAY (swap_sv)[i ];
		4005	SV *b = AvARRAY (swap_sv)[i + 1];
		4006
		4007	if (a == sva && b == svb)
		4008	{
		4009	SvREFCNT_dec_NN (a);
		4010	SvREFCNT_dec_NN (b);
		4011
		4012	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4013	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4014
		4015	AvFILLp (swap_sv) -= 2;
		4016
		4017	goto removed;
		4018	}
		4019	}
		4020
3742	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4021	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3743	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4022	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4023
		4024	removed:
3744		4025
3745	if (current == coro)	4026	if (current == coro)
3746	SWAP_SVS (current);	4027	SWAP_SVS_ENTER (current);
3747	}	4028	}
3748		4029
3749		4030
3750	MODULE = Coro::State PACKAGE = Coro	4031	MODULE = Coro::State PACKAGE = Coro
3751		4032
3752	BOOT:	4033	BOOT:
3753	{	4034	{
		4035	if (SVt_LAST > 32)
		4036	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4037
3754	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4038	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3755	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4039	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3756	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4040	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3757	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4041	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);	4042	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3784	coroapi.ready = api_ready;	4068	coroapi.ready = api_ready;
3785	coroapi.is_ready = api_is_ready;	4069	coroapi.is_ready = api_is_ready;
3786	coroapi.nready = coro_nready;	4070	coroapi.nready = coro_nready;
3787	coroapi.current = coro_current;	4071	coroapi.current = coro_current;
3788		4072
		4073	coroapi.enterleave_hook = api_enterleave_hook;
		4074	coroapi.enterleave_unhook = api_enterleave_unhook;
		4075	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4076
3789	/GCoroAPI = &coroapi;/	4077	/GCoroAPI = &coroapi;/
3790	sv_setiv (sv, (IV)&coroapi);	4078	sv_setiv (sv, (IV)&coroapi);
3791	SvREADONLY_on (sv);	4079	SvREADONLY_on (sv);
3792	}	4080	}
3793	}	4081	}
…		…
3858		4146
3859	void	4147	void
3860	_set_current (SV *current)	4148	_set_current (SV *current)
3861	PROTOTYPE: $	4149	PROTOTYPE: $
3862	CODE:	4150	CODE:
3863	SvREFCNT_dec (SvRV (coro_current));	4151	SvREFCNT_dec_NN (SvRV (coro_current));
3864	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4152	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3865		4153
3866	void	4154	void
3867	_set_readyhook (SV *hook)	4155	_set_readyhook (SV *hook)
3868	PROTOTYPE: $	4156	PROTOTYPE: $
…		…
3952		4240
3953	if ((SV *)hv == &PL_sv_undef)	4241	if ((SV *)hv == &PL_sv_undef)
3954	{	4242	{
3955	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4243	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3956	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4244	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3957	SvREFCNT_dec (sv);	4245	SvREFCNT_dec_NN (sv);
3958	}	4246	}
3959		4247
3960	{	4248	{
3961	struct coro *coro = SvSTATE_hv (hv);	4249	struct coro *coro = SvSTATE_hv (hv);
3962		4250
…		…
3969	api_ready (aTHX_ (SV *)hv);	4257	api_ready (aTHX_ (SV *)hv);
3970		4258
3971	if (GIMME_V != G_VOID)	4259	if (GIMME_V != G_VOID)
3972	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4260	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3973	else	4261	else
3974	SvREFCNT_dec (hv);	4262	SvREFCNT_dec_NN (hv);
3975	}	4263	}
3976		4264
3977	SV *	4265	SV *
3978	rouse_cb ()	4266	rouse_cb ()
3979	PROTOTYPE:	4267	PROTOTYPE:
…		…
4058	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4346	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4059	OUTPUT:	4347	OUTPUT:
4060	RETVAL	4348	RETVAL
4061		4349
4062	void	4350	void
4063	up (SV *self, int adjust = 1)	4351	up (SV *self)
4064	ALIAS:
4065	adjust = 1
4066	CODE:	4352	CODE:
		4353	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4354
		4355	void
		4356	adjust (SV *self, int adjust)
		4357	CODE:
4067	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4358	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4068		4359
4069	void	4360	void
4070	down (...)	4361	down (...)
4071	CODE:	4362	CODE:
4072	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4363	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 1.470 by root, Fri Jul 14 13:14:32 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 1.470 by root, Fri Jul 14 13:14:32 2017 UTC