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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.429 by root, Fri Dec 7 14:21:09 2012 UTC vs.
Revision 1.473 by root, Sun Sep 3 23:36:01 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 */
…		…
279		317
280	#if CORO_JIT	318	#if CORO_JIT
281	/* APPLE doesn't have mmap though */	319	/* APPLE doesn't have mmap though */
282	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)	320	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)
283	#ifndef CORO_JIT_TYPE	321	#ifndef CORO_JIT_TYPE
284	#if __x86_64 && CORO_JIT_UNIXY	322	#if ECB_AMD64 && CORO_JIT_UNIXY
285	#define CORO_JIT_TYPE "amd64-unix"	323	#define CORO_JIT_TYPE "amd64-unix"
286	#elif __i386 && CORO_JIT_UNIXY	324	#elif __i386 && CORO_JIT_UNIXY
287	#define CORO_JIT_TYPE "x86-unix"	325	#define CORO_JIT_TYPE "x86-unix"
288	#endif	326	#endif
289	#endif	327	#endif
…		…
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;
…		…
1123	myop.op_next = Nullop;	1222	myop.op_next = Nullop;
1124	myop.op_type = OP_ENTERSUB;	1223	myop.op_type = OP_ENTERSUB;
1125	myop.op_flags = OPf_WANT_VOID;	1224	myop.op_flags = OPf_WANT_VOID;
1126		1225
1127	PUSHMARK (SP);	1226	PUSHMARK (SP);
1128	PUSHs ((SV *)coro->startcv);	1227	XPUSHs ((SV *)coro->startcv);
1129	PUTBACK;	1228	PUTBACK;
1130	PL_op = (OP *)&myop;	1229	PL_op = (OP *)&myop;
1131	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1230	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1132	}	1231	}
1133		1232
…		…
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)
…		…
1279	av_push (av, SvREFCNT_inc_NN (*bot++));	1380	av_push (av, SvREFCNT_inc_NN (*bot++));
1280		1381
1281	PL_runops = RUNOPS_DEFAULT;	1382	PL_runops = RUNOPS_DEFAULT;
1282	ENTER;	1383	ENTER;
1283	SAVETMPS;	1384	SAVETMPS;
		1385	PUSHMARK (SP);
1284	EXTEND (SP, 3);	1386	EXTEND (SP, 3);
1285	PUSHMARK (SP);
1286	PUSHs (&PL_sv_no);	1387	PUSHs (&PL_sv_no);
1287	PUSHs (fullname);	1388	PUSHs (fullname);
1288	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	1389	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
1289	PUTBACK;	1390	PUTBACK;
1290	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1391	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
…		…
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	{
…		…
1317	gv_efullname3 (fullname, gv, 0);	1418	gv_efullname3 (fullname, gv, 0);
1318		1419
1319	PL_runops = RUNOPS_DEFAULT;	1420	PL_runops = RUNOPS_DEFAULT;
1320	ENTER;	1421	ENTER;
1321	SAVETMPS;	1422	SAVETMPS;
		1423	PUSHMARK (SP);
1322	EXTEND (SP, 3);	1424	EXTEND (SP, 3);
1323	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;
…		…
1341	dSP;	1442	dSP;
1342		1443
1343	PL_runops = RUNOPS_DEFAULT;	1444	PL_runops = RUNOPS_DEFAULT;
1344	ENTER;	1445	ENTER;
1345	SAVETMPS;	1446	SAVETMPS;
1346	EXTEND (SP, 3);
1347	PL_runops = RUNOPS_DEFAULT;
1348	PUSHMARK (SP);	1447	PUSHMARK (SP);
		1448	EXTEND (SP, 2);
1349	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	1449	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
1350	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	1450	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
1351	PUTBACK;	1451	PUTBACK;
1352	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	1452	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
1353	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1453	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
…		…
1453	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1553	* 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.	1554	* runtime errors here, as this is just a random interpreter, not a thread.
1455	*/	1555	*/
1456		1556
1457	/*	1557	/*
		1558	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1559	* requires PL_scopestack_ix, so do it here if required.
		1560	*/
		1561	if (!PL_scopestack_ix)
		1562	ENTER;
		1563
		1564	/*
1458	* If perl-run returns we assume exit() was being called or the coro	1565	* 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)	1566	* 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	1567	* reason for perl_run to return. We try to mimic whatever perl is normally
1461	* doing in that case. YMMV.	1568	* doing in that case. YMMV.
1462	*/	1569	*/
…		…
1888	/* nothing to schedule: call the idle handler */	1995	/* nothing to schedule: call the idle handler */
1889	if (SvROK (sv_idle)	1996	if (SvROK (sv_idle)
1890	&& SvOBJECT (SvRV (sv_idle)))	1997	&& SvOBJECT (SvRV (sv_idle)))
1891	{	1998	{
1892	if (SvRV (sv_idle) == SvRV (coro_current))	1999	if (SvRV (sv_idle) == SvRV (coro_current))
		2000	{
		2001	require_pv ("Carp");
		2002
		2003	{
		2004	dSP;
		2005
		2006	ENTER;
		2007	SAVETMPS;
		2008
		2009	PUSHMARK (SP);
1893	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2010	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2011	PUTBACK;
		2012	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2013
		2014	FREETMPS;
		2015	LEAVE;
		2016	}
		2017	}
1894		2018
1895	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2019	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1896	api_ready (aTHX_ SvRV (sv_idle));	2020	api_ready (aTHX_ SvRV (sv_idle));
1897	--coro_nready;	2021	--coro_nready;
1898	}	2022	}
…		…
2096	AV *od = coro->on_destroy;	2220	AV *od = coro->on_destroy;
2097		2221
2098	if (!od)	2222	if (!od)
2099	return;	2223	return;
2100		2224
		2225	coro->on_destroy = 0;
		2226	sv_2mortal ((SV *)od);
		2227
2101	while (AvFILLp (od) >= 0)	2228	while (AvFILLp (od) >= 0)
2102	{	2229	{
2103	SV *cb = sv_2mortal (av_pop (od));	2230	SV *cb = sv_2mortal (av_pop (od));
2104		2231
2105	/* coro hv's (and only hv's at the moment) are supported as well */	2232	/* coro hv's (and only hv's at the moment) are supported as well */
…		…
2199	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2326	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2200	}	2327	}
2201	else	2328	else
2202	{	2329	{
2203	struct coro *self = SvSTATE_current;	2330	struct coro *self = SvSTATE_current;
		2331
		2332	if (!self)
		2333	croak ("Coro::cancel called outside of thread content,");
2204		2334
2205	/* otherwise we cancel directly, purely for speed reasons	2335	/* otherwise we cancel directly, purely for speed reasons
2206	* unfortunately, this requires some magic trickery, as	2336	* unfortunately, this requires some magic trickery, as
2207	* somebody else could cancel us, so we have to fight the cancellation.	2337	* somebody else could cancel us, so we have to fight the cancellation.
2208	* this is ugly, and hopefully fully worth the extra speed.	2338	* this is ugly, and hopefully fully worth the extra speed.
…		…
2241	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)	2371	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)
2242	{	2372	{
2243	if (coro->cctx)	2373	if (coro->cctx)
2244	croak ("coro inside C callback, unable to cancel at this time, caught");	2374	croak ("coro inside C callback, unable to cancel at this time, caught");
2245		2375
2246	if (coro->flags & CF_NEW)	2376	if (coro->flags & (CF_NEW \| CF_ZOMBIE))
2247	{	2377	{
2248	coro_set_status (aTHX_ coro, arg, items);	2378	coro_set_status (aTHX_ coro, arg, items);
2249	coro_state_destroy (aTHX_ coro);	2379	coro_state_destroy (aTHX_ coro);
2250	}	2380	}
2251	else	2381	else
…		…
2318	else	2448	else
2319	{	2449	{
2320	av_clear (GvAV (PL_defgv));	2450	av_clear (GvAV (PL_defgv));
2321	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2451	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2322		2452
		2453	if (ecb_expect_false (coro->swap_sv))
		2454	{
		2455	SWAP_SVS_LEAVE (coro);
		2456	SvREFCNT_dec_NN (coro->swap_sv);
		2457	coro->swap_sv = 0;
		2458	}
		2459
2323	coro->prio = 0;	2460	coro->prio = 0;
2324		2461
2325	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2462	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2326	api_trace (aTHX_ coro_current, 0);	2463	api_trace (aTHX_ coro_current, 0);
2327		2464
2328	frame->prepare = prepare_schedule;	2465	frame->prepare = prepare_schedule;
2329	av_push (av_async_pool, SvREFCNT_inc (hv));	2466	av_push (av_async_pool, SvREFCNT_inc (hv));
2330	}	2467	}
…		…
2550		2687
2551	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2688	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2552	static void	2689	static void
2553	slf_destroy (pTHX_ struct coro *coro)	2690	slf_destroy (pTHX_ struct coro *coro)
2554	{	2691	{
2555	/* this callback is reserved for slf functions needing to do cleanup */	2692	struct CoroSLF frame = coro->slf_frame;
2556	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2557	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2558		2693
2559	/*	2694	/*
2560	* The on_destroy above most likely is from an SLF call.	2695	* The on_destroy below most likely is from an SLF call.
2561	* Since by definition the SLF call will not finish when we destroy	2696	* Since by definition the SLF call will not finish when we destroy
2562	* the coro, we will have to force-finish it here, otherwise	2697	* the coro, we will have to force-finish it here, otherwise
2563	* cleanup functions cannot call SLF functions.	2698	* cleanup functions cannot call SLF functions.
2564	*/	2699	*/
2565	coro->slf_frame.prepare = 0;	2700	coro->slf_frame.prepare = 0;
		2701
		2702	/* this callback is reserved for slf functions needing to do cleanup */
		2703	if (frame.destroy && frame.prepare && !PL_dirty)
		2704	frame.destroy (aTHX_ &frame);
2566	}	2705	}
2567		2706
2568	/*	2707	/*
2569	* these not obviously related functions are all rolled into one	2708	* these not obviously related functions are all rolled into one
2570	* function to increase chances that they all will call transfer with the same	2709	* function to increase chances that they all will call transfer with the same
…		…
2753	static void	2892	static void
2754	coro_pop_on_leave (pTHX_ void *coro)	2893	coro_pop_on_leave (pTHX_ void *coro)
2755	{	2894	{
2756	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2895	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2757	on_enterleave_call (aTHX_ sv_2mortal (cb));	2896	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2897	}
		2898
		2899	static void
		2900	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2901	{
		2902	if (!hook)
		2903	return;
		2904
		2905	if (!*avp)
		2906	{
		2907	*avp = newAV ();
		2908	AvREAL_off (*avp);
		2909	}
		2910
		2911	av_push (avp, (SV )hook);
		2912	av_push (avp, (SV )arg);
		2913	}
		2914
		2915	static void
		2916	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2917	{
		2918	AV av = avp;
		2919	int i;
		2920
		2921	if (!av)
		2922	return;
		2923
		2924	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2925	if (AvARRAY (av)[i] == (SV *)hook)
		2926	{
		2927	if (execute)
		2928	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2929
		2930	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2931	av_pop (av);
		2932	av_pop (av);
		2933	break;
		2934	}
		2935
		2936	if (AvFILLp (av) >= 0)
		2937	{
		2938	*avp = 0;
		2939	SvREFCNT_dec_NN (av);
		2940	}
		2941	}
		2942
		2943	static void
		2944	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2945	{
		2946	struct coro *coro = SvSTATE (coro_sv);
		2947
		2948	if (SvSTATE_current == coro)
		2949	if (enter)
		2950	enter (aTHX_ enter_arg);
		2951
		2952	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2953	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2954	}
		2955
		2956	static void
		2957	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2958	{
		2959	struct coro *coro = SvSTATE (coro_sv);
		2960
		2961	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2962	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2963	}
		2964
		2965	static void
		2966	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2967	{
		2968	struct coro *coro = SvSTATE_current;
		2969
		2970	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2971	}
		2972
		2973	static void
		2974	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2975	{
		2976	struct coro *coro = SvSTATE_current;
		2977
		2978	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2979	}
		2980
		2981	static void
		2982	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2983	{
		2984	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2985
		2986	/* this ought to be much cheaper than malloc + a single destructor call */
		2987	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		2988	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2758	}	2989	}
2759		2990
2760	/*****************************************************************************/	2991	/*****************************************************************************/
2761	/* PerlIO::cede */	2992	/* PerlIO::cede */
2762		2993
…		…
2892	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3123	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2893	PUTBACK;	3124	PUTBACK;
2894	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3125	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2895	}	3126	}
2896		3127
2897	SvREFCNT_dec (cb);	3128	SvREFCNT_dec_NN (cb);
2898	}	3129	}
2899	}	3130	}
2900		3131
2901	static void	3132	static void
2902	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3133	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2910	{	3141	{
2911	AV av = (AV )frame->data;	3142	AV av = (AV )frame->data;
2912	SV *count_sv = AvARRAY (av)[0];	3143	SV *count_sv = AvARRAY (av)[0];
2913	SV *coro_hv = SvRV (coro_current);	3144	SV *coro_hv = SvRV (coro_current);
2914		3145
		3146	frame->destroy = 0;
		3147
2915	/* if we are about to throw, don't actually acquire the lock, just throw */	3148	/* if we are about to throw, don't actually acquire the lock, just throw */
2916	if (CORO_THROW)	3149	if (ecb_expect_false (CORO_THROW))
		3150	{
		3151	/* we still might be responsible for the semaphore, so wake up others */
		3152	coro_semaphore_adjust (aTHX_ av, 0);
		3153
2917	return 0;	3154	return 0;
		3155	}
2918	else if (SvIVX (count_sv) > 0)	3156	else if (SvIVX (count_sv) > 0)
2919	{	3157	{
2920	frame->destroy = 0;
2921
2922	if (acquire)	3158	if (acquire)
2923	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3159	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2924	else	3160	else
2925	coro_semaphore_adjust (aTHX_ av, 0);	3161	coro_semaphore_adjust (aTHX_ av, 0);
2926		3162
…		…
3037	{	3273	{
3038	api_ready (aTHX_ cb);	3274	api_ready (aTHX_ cb);
3039	sv_setiv (cb, 0); /* signal waiter */	3275	sv_setiv (cb, 0); /* signal waiter */
3040	}	3276	}
3041		3277
3042	SvREFCNT_dec (cb);	3278	SvREFCNT_dec_NN (cb);
3043		3279
3044	--count;	3280	--count;
3045	}	3281	}
3046	}	3282	}
3047		3283
…		…
3132	}	3368	}
3133		3369
3134	av_push (state, data_sv);	3370	av_push (state, data_sv);
3135		3371
3136	api_ready (aTHX_ coro);	3372	api_ready (aTHX_ coro);
3137	SvREFCNT_dec (coro);	3373	SvREFCNT_dec_NN (coro);
3138	SvREFCNT_dec ((AV *)state);	3374	SvREFCNT_dec_NN ((AV *)state);
3139	}	3375	}
3140		3376
3141	static int	3377	static int
3142	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3378	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3143	{	3379	{
…		…
3148	/* it quickly returns */	3384	/* it quickly returns */
3149	if (CORO_THROW)	3385	if (CORO_THROW)
3150	return 0;	3386	return 0;
3151		3387
3152	/* one element that is an RV? repeat! */	3388	/* one element that is an RV? repeat! */
3153	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	3389	if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3154	return 1;	3390	return 1;
3155		3391
3156	/* restore status */	3392	/* restore status */
3157	{	3393	{
3158	SV *data_sv = av_pop (state);	3394	SV *data_sv = av_pop (state);
…		…
3161	errno = data->errorno;	3397	errno = data->errorno;
3162	PL_laststype = data->laststype;	3398	PL_laststype = data->laststype;
3163	PL_laststatval = data->laststatval;	3399	PL_laststatval = data->laststatval;
3164	PL_statcache = data->statcache;	3400	PL_statcache = data->statcache;
3165		3401
3166	SvREFCNT_dec (data_sv);	3402	SvREFCNT_dec_NN (data_sv);
3167	}	3403	}
3168		3404
3169	/* push result values */	3405	/* push result values */
3170	{	3406	{
3171	dSP;	3407	dSP;
…		…
3360		3596
3361	map_len = load_len + save_len + 16;	3597	map_len = load_len + save_len + 16;
3362		3598
3363	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3599	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3364		3600
		3601	if (map_base == (char *)MAP_FAILED)
		3602	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3603
3365	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3604	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3366		3605
3367	load_perl_slots = (load_save_perl_slots_type)map_base;	3606	load_perl_slots = (load_save_perl_slots_type)map_base;
3368	memcpy (map_base, load_ptr, load_len);	3607	memcpy (map_base, load_ptr, load_len);
3369		3608
…		…
3386		3625
3387	PROTOTYPES: DISABLE	3626	PROTOTYPES: DISABLE
3388		3627
3389	BOOT:	3628	BOOT:
3390	{	3629	{
		3630	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3631	#include "state.h"
3391	#ifdef USE_ITHREADS	3632	#ifdef USE_ITHREADS
3392	# if CORO_PTHREAD	3633	# if CORO_PTHREAD
3393	coro_thx = PERL_GET_CONTEXT;	3634	coro_thx = PERL_GET_CONTEXT;
3394	# endif	3635	# endif
3395	#endif	3636	#endif
…		…
3403	cctx_current = cctx_new_empty ();	3644	cctx_current = cctx_new_empty ();
3404		3645
3405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3646	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3647	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3407		3648
3408	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3649	{
3409	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3650	/*
3410	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3651	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3652	* by coro_sig_vtbl in hash values.
		3653	*/
		3654	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3655
		3656	/* this only works if perl doesn't have a vtbl for %SIG */
		3657	assert (!mg->mg_virtual);
		3658
		3659	/*
		3660	* The irony is that the perl API itself asserts that mg_virtual
		3661	* must be non-const, yet perl5porters insisted on marking their
		3662	* vtbls as read-only, just to thwart perl modules from patching
		3663	* them.
		3664	*/
		3665	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3666	mg->mg_flags \|= MGf_COPY;
		3667
		3668	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3669	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3670	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3671	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3672	}
3411		3673
3412	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3413	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3674	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3414	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3675	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3415		3676
3416	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3677	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
3417		3678
…		…
3470	void	3731	void
3471	transfer (...)	3732	transfer (...)
3472	PROTOTYPE: $$	3733	PROTOTYPE: $$
3473	CODE:	3734	CODE:
3474	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3735	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3475
3476	void
3477	_exit (int code)
3478	PROTOTYPE: $
3479	CODE:
3480	_exit (code);
3481		3736
3482	SV *	3737	SV *
3483	clone (Coro::State coro)	3738	clone (Coro::State coro)
3484	CODE:	3739	CODE:
3485	{	3740	{
…		…
3729	if (ecb_expect_false (current == self))	3984	if (ecb_expect_false (current == self))
3730	coro_times_sub (SvSTATE (coro_current));	3985	coro_times_sub (SvSTATE (coro_current));
3731	}	3986	}
3732		3987
3733	void	3988	void
3734	swap_sv (Coro::State coro, SV sv, SV swapsv)	3989	swap_sv (Coro::State coro, SV sva, SV svb)
3735	CODE:	3990	CODE:
3736	{	3991	{
3737	struct coro *current = SvSTATE_current;	3992	struct coro *current = SvSTATE_current;
		3993	AV *swap_sv;
		3994	int i;
		3995
		3996	sva = SvRV (sva);
		3997	svb = SvRV (svb);
3738		3998
3739	if (current == coro)	3999	if (current == coro)
3740	SWAP_SVS (current);	4000	SWAP_SVS_LEAVE (current);
3741		4001
3742	if (!coro->swap_sv)	4002	if (!coro->swap_sv)
3743	coro->swap_sv = newAV ();	4003	coro->swap_sv = newAV ();
3744		4004
		4005	swap_sv = coro->swap_sv;
		4006
		4007	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4008	{
		4009	SV *a = AvARRAY (swap_sv)[i ];
		4010	SV *b = AvARRAY (swap_sv)[i + 1];
		4011
		4012	if (a == sva && b == svb)
		4013	{
		4014	SvREFCNT_dec_NN (a);
		4015	SvREFCNT_dec_NN (b);
		4016
		4017	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4018	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4019
		4020	AvFILLp (swap_sv) -= 2;
		4021
		4022	goto removed;
		4023	}
		4024	}
		4025
3745	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4026	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3746	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4027	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4028
		4029	removed:
3747		4030
3748	if (current == coro)	4031	if (current == coro)
3749	SWAP_SVS (current);	4032	SWAP_SVS_ENTER (current);
3750	}	4033	}
3751		4034
3752		4035
3753	MODULE = Coro::State PACKAGE = Coro	4036	MODULE = Coro::State PACKAGE = Coro
3754		4037
3755	BOOT:	4038	BOOT:
3756	{	4039	{
		4040	if (SVt_LAST > 32)
		4041	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4042
3757	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4043	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3758	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4044	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3759	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4045	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3760	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4046	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3761	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4047	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3787	coroapi.ready = api_ready;	4073	coroapi.ready = api_ready;
3788	coroapi.is_ready = api_is_ready;	4074	coroapi.is_ready = api_is_ready;
3789	coroapi.nready = coro_nready;	4075	coroapi.nready = coro_nready;
3790	coroapi.current = coro_current;	4076	coroapi.current = coro_current;
3791		4077
		4078	coroapi.enterleave_hook = api_enterleave_hook;
		4079	coroapi.enterleave_unhook = api_enterleave_unhook;
		4080	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4081
3792	/GCoroAPI = &coroapi;/	4082	/GCoroAPI = &coroapi;/
3793	sv_setiv (sv, (IV)&coroapi);	4083	sv_setiv (sv, PTR2IV (&coroapi));
3794	SvREADONLY_on (sv);	4084	SvREADONLY_on (sv);
3795	}	4085	}
3796	}	4086	}
3797		4087
3798	SV *	4088	SV *
…		…
3861		4151
3862	void	4152	void
3863	_set_current (SV *current)	4153	_set_current (SV *current)
3864	PROTOTYPE: $	4154	PROTOTYPE: $
3865	CODE:	4155	CODE:
3866	SvREFCNT_dec (SvRV (coro_current));	4156	SvREFCNT_dec_NN (SvRV (coro_current));
3867	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4157	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3868		4158
3869	void	4159	void
3870	_set_readyhook (SV *hook)	4160	_set_readyhook (SV *hook)
3871	PROTOTYPE: $	4161	PROTOTYPE: $
…		…
3955		4245
3956	if ((SV *)hv == &PL_sv_undef)	4246	if ((SV *)hv == &PL_sv_undef)
3957	{	4247	{
3958	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4248	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3959	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4249	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3960	SvREFCNT_dec (sv);	4250	SvREFCNT_dec_NN (sv);
3961	}	4251	}
3962		4252
3963	{	4253	{
3964	struct coro *coro = SvSTATE_hv (hv);	4254	struct coro *coro = SvSTATE_hv (hv);
3965		4255
…		…
3972	api_ready (aTHX_ (SV *)hv);	4262	api_ready (aTHX_ (SV *)hv);
3973		4263
3974	if (GIMME_V != G_VOID)	4264	if (GIMME_V != G_VOID)
3975	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4265	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3976	else	4266	else
3977	SvREFCNT_dec (hv);	4267	SvREFCNT_dec_NN (hv);
3978	}	4268	}
3979		4269
3980	SV *	4270	SV *
3981	rouse_cb ()	4271	rouse_cb ()
3982	PROTOTYPE:	4272	PROTOTYPE:
…		…
4061	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4351	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4062	OUTPUT:	4352	OUTPUT:
4063	RETVAL	4353	RETVAL
4064		4354
4065	void	4355	void
4066	up (SV *self, int adjust = 1)	4356	up (SV *self)
4067	ALIAS:
4068	adjust = 1
4069	CODE:	4357	CODE:
		4358	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4359
		4360	void
		4361	adjust (SV *self, int adjust)
		4362	CODE:
4070	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4363	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4071		4364
4072	void	4365	void
4073	down (...)	4366	down (...)
4074	CODE:	4367	CODE:
4075	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4368	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
…		…
4237	{	4530	{
4238	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;	4531	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4239	coro_old_pp_sselect = 0;	4532	coro_old_pp_sselect = 0;
4240	}	4533	}
4241		4534
		4535	MODULE = Coro::State PACKAGE = Coro::Util
		4536
		4537	void
		4538	_exit (int code)
		4539	CODE:
		4540	_exit (code);
		4541
		4542	NV
		4543	time ()
		4544	CODE:
		4545	RETVAL = nvtime (aTHX);
		4546	OUTPUT:
		4547	RETVAL
		4548
		4549	NV
		4550	gettimeofday ()
		4551	PPCODE:
		4552	{
		4553	UV tv [2];
		4554	u2time (aTHX_ tv);
		4555	EXTEND (SP, 2);
		4556	PUSHs (sv_2mortal (newSVuv (tv [0])));
		4557	PUSHs (sv_2mortal (newSVuv (tv [1])));
		4558	}
		4559

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Comparing Coro/Coro/State.xs (file contents): Revision 1.429 by root, Fri Dec 7 14:21:09 2012 UTC vs. Revision 1.473 by root, Sun Sep 3 23:36:01 2017 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.429 by root, Fri Dec 7 14:21:09 2012 UTC vs.
Revision 1.473 by root, Sun Sep 3 23:36:01 2017 UTC