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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.436 by root, Tue Nov 5 14:38:46 2013 UTC vs.
Revision 1.474 by root, Tue Aug 14 15:46:03 2018 UTC

…		…
2	#define USE_NO_MINGW_SETJMP_TWO_ARGS	2	#define USE_NO_MINGW_SETJMP_TWO_ARGS
3		3
4	#define NDEBUG 1 /* perl usually disables NDEBUG later */	4	#define NDEBUG 1 /* perl usually disables NDEBUG later */
5		5
6	#include "libcoro/coro.c"	6	#include "libcoro/coro.c"
		7
		8	#if CORO_UCONTEXT
		9	#define CORO_BACKEND "ucontext"
		10	#elif CORO_SJLJ
		11	#define CORO_BACKEND "sjlj"
		12	#elif CORO_LINUX
		13	#define CORO_BACKEND "linux"
		14	#elif CORO_LOSER
		15	#define CORO_BACKEND "loser"
		16	#elif CORO_FIBER
		17	#define CORO_BACKEND "fiber"
		18	#elif CORO_IRIX
		19	#define CORO_BACKEND "irix"
		20	#elif CORO_ASM
		21	#define CORO_BACKEND "asm"
		22	#elif CORO_PTHREAD
		23	#define CORO_BACKEND "pthread"
		24	#else
		25	#define CORO_BACKEND "unknown"
		26	#endif
7		27
8	#define PERL_NO_GET_CONTEXT	28	#define PERL_NO_GET_CONTEXT
9	#define PERL_EXT	29	#define PERL_EXT
10		30
11	#include "EXTERN.h"	31	#include "EXTERN.h"
…		…
14	#include "perliol.h"	34	#include "perliol.h"
15		35
16	#include "schmorp.h"	36	#include "schmorp.h"
17		37
18	#define ECB_NO_THREADS 1	38	#define ECB_NO_THREADS 1
		39	#define ECB_NO_LIBM 1
19	#include "ecb.h"	40	#include "ecb.h"
20		41
21	#include <stddef.h>	42	#include <stddef.h>
22	#include <stdio.h>	43	#include <stdio.h>
23	#include <errno.h>	44	#include <errno.h>
24	#include <assert.h>	45	#include <assert.h>
		46
		47	#ifndef SvREFCNT_dec_NN
		48	#define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
		49	#endif
		50
		51	#ifndef SvREFCNT_inc_NN
		52	#define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		53	#endif
25		54
26	#ifndef SVs_PADSTALE	55	#ifndef SVs_PADSTALE
27	# define SVs_PADSTALE 0	56	# define SVs_PADSTALE 0
28	#endif	57	#endif
29		58
…		…
41	# define PadlistNAMES(pl) (*PadlistARRAY (pl))	70	# define PadlistNAMES(pl) (*PadlistARRAY (pl))
42	# define PadARRAY AvARRAY	71	# define PadARRAY AvARRAY
43	# define PadMAX AvFILLp	72	# define PadMAX AvFILLp
44	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))	73	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
45	#endif	74	#endif
		75	#ifndef PadnamelistREFCNT
		76	# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
		77	#endif
		78	#ifndef PadnamelistREFCNT_dec
		79	# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
		80	#endif
		81
		82	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
		83	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
		84	#if PERL_VERSION_ATLEAST(5,19,0)
		85	# define SVt_BIND SVt_IV
		86	#endif
46		87
47	#if defined(_WIN32)	88	#if defined(_WIN32)
48	# undef HAS_GETTIMEOFDAY	89	# undef HAS_GETTIMEOFDAY
49	# undef setjmp	90	# undef setjmp
50	# undef longjmp	91	# undef longjmp
…		…
95	# define CORO_CLOCK_MONOTONIC 1	136	# define CORO_CLOCK_MONOTONIC 1
96	# define CORO_CLOCK_THREAD_CPUTIME_ID 3	137	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
97	# endif	138	# endif
98	#endif	139	#endif
99		140
		141	/* one off bugfix for perl 5.22 */
		142	#if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0)
		143	# undef PadlistNAMES
		144	# define PadlistNAMES(pl) ((PADNAMELIST *)PadlistARRAY (pl))
		145	#endif
		146
		147	#if PERL_VERSION_ATLEAST(5,24,0)
		148	# define SUB_ARGARRAY PL_curpad[0]
		149	#else
		150	# define SUB_ARGARRAY (SV *)cx->blk_sub.argarray
		151	#endif
		152
		153	/* perl usually suppresses asserts. for debugging, we sometimes force it to be on */
		154	#if 0
		155	# undef NDEBUG
		156	# include <assert.h>
		157	#endif
		158
100	static double (nvtime)(); / so why doesn't it take void? */	159	static double (nvtime)(); / so why doesn't it take void? */
101	static void (*u2time)(pTHX_ UV ret[2]);	160	static void (*u2time)(pTHX_ UV ret[2]);
102		161
103	/* we hijack an hopefully unused CV flag for our purposes */	162	/* we hijack an hopefully unused CV flag for our purposes */
104	#define CVf_SLF 0x4000	163	#define CVf_SLF 0x4000
…		…
119		178
120	static GV irsgv; / $/ */	179	static GV irsgv; / $/ */
121	static GV stdoutgv; / STDOUT /	180	static GV stdoutgv; / STDOUT /
122	static SV *rv_diehook;	181	static SV *rv_diehook;
123	static SV *rv_warnhook;	182	static SV *rv_warnhook;
124	static HV hv_sig; / %SIG */
125		183
126	/* async_pool helper stuff */	184	/* async_pool helper stuff */
127	static SV *sv_pool_rss;	185	static SV *sv_pool_rss;
128	static SV *sv_pool_size;	186	static SV *sv_pool_size;
129	static SV sv_async_pool_idle; / description string */	187	static SV sv_async_pool_idle; / description string */
…		…
235	SV *saved_deffh;	293	SV *saved_deffh;
236	SV *invoke_cb;	294	SV *invoke_cb;
237	AV *invoke_av;	295	AV *invoke_av;
238		296
239	/* on_enter/on_leave */	297	/* on_enter/on_leave */
240	AV *on_enter;	298	AV on_enter; AV on_enter_xs;
241	AV *on_leave;	299	AV on_leave; AV on_leave_xs;
242		300
243	/* swap_sv */	301	/* swap_sv */
244	AV *swap_sv;	302	AV *swap_sv;
245		303
246	/* times */	304	/* times */
…		…
482		540
483	return 0;	541	return 0;
484	}	542	}
485		543
486	ecb_inline struct coro *	544	ecb_inline struct coro *
487	SvSTATE_ (pTHX_ SV *coro)	545	SvSTATE_ (pTHX_ SV *coro_sv)
488	{	546	{
489	MAGIC *mg;	547	MAGIC *mg;
490		548
491	if (SvROK (coro))	549	if (SvROK (coro_sv))
492	coro = SvRV (coro);	550	coro_sv = SvRV (coro_sv);
493		551
494	mg = SvSTATEhv_p (aTHX_ coro);	552	mg = SvSTATEhv_p (aTHX_ coro_sv);
495	if (!mg)	553	if (!mg)
496	croak ("Coro::State object required");	554	croak ("Coro::State object required");
497		555
498	return (struct coro *)mg->mg_ptr;	556	return (struct coro *)mg->mg_ptr;
499	}	557	}
…		…
510	ecb_inline PADLIST *	568	ecb_inline PADLIST *
511	coro_derive_padlist (pTHX_ CV *cv)	569	coro_derive_padlist (pTHX_ CV *cv)
512	{	570	{
513	PADLIST *padlist = CvPADLIST (cv);	571	PADLIST *padlist = CvPADLIST (cv);
514	PADLIST *newpadlist;	572	PADLIST *newpadlist;
		573	PADNAMELIST *padnames;
515	PAD *newpad;	574	PAD *newpad;
516	PADOFFSET off = PadlistMAX (padlist) + 1;	575	PADOFFSET off = PadlistMAX (padlist) + 1;
517		576
518	#if NEWPADAPI	577	#if NEWPADAPI
519		578
…		…
546	AvREAL_off (newpadlist);	605	AvREAL_off (newpadlist);
547	#endif	606	#endif
548		607
549	/* Already extended to 2 elements by newPADLIST. */	608	/* Already extended to 2 elements by newPADLIST. */
550	PadlistMAX (newpadlist) = 1;	609	PadlistMAX (newpadlist) = 1;
551	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	610
		611	padnames = PadlistNAMES (padlist);
		612	++PadnamelistREFCNT (padnames);
		613	PadlistNAMES (newpadlist) = padnames;
		614
552	PadlistARRAY (newpadlist)[1] = newpad;	615	PadlistARRAY (newpadlist)[1] = newpad;
553		616
554	return newpadlist;	617	return newpadlist;
555	}	618	}
556		619
…		…
564		627
565	while (i > 0) /* special-case index 0 */	628	while (i > 0) /* special-case index 0 */
566	{	629	{
567	/* we try to be extra-careful here */	630	/* we try to be extra-careful here */
568	PAD *pad = PadlistARRAY (padlist)[i--];	631	PAD *pad = PadlistARRAY (padlist)[i--];
		632
		633	if (pad)
		634	{
569	I32 j = PadMAX (pad);	635	I32 j = PadMAX (pad);
570		636
571	while (j >= 0)	637	while (j >= 0)
572	SvREFCNT_dec (PadARRAY (pad)[j--]);	638	SvREFCNT_dec (PadARRAY (pad)[j--]);
573		639
574	PadMAX (pad) = -1;	640	PadMAX (pad) = -1;
575	SvREFCNT_dec (pad);	641	SvREFCNT_dec (pad);
		642	}
576	}	643	}
577		644
578	SvREFCNT_dec (PadlistNAMES (padlist));	645	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
579		646
580	#if NEWPADAPI	647	#if NEWPADAPI
581	Safefree (PadlistARRAY (padlist));	648	Safefree (PadlistARRAY (padlist));
582	Safefree (padlist);	649	Safefree (padlist);
583	#else	650	#else
…		…
679	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;	746	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
680		747
681	/* if SvANY points to the head, we need to adjust the pointers,	748	/* if SvANY points to the head, we need to adjust the pointers,
682	* as the pointer for a still points to b, and maybe vice versa.	749	* as the pointer for a still points to b, and maybe vice versa.
683	*/	750	*/
684	#define svany_in_head(type) \	751	U32 svany_in_head_set = (1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV);
685	(((1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV)) & (1 << (type)))	752	#if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
		753	svany_in_head_set \|= 1 << SVt_NV;
		754	#endif
		755
		756	#define svany_in_head(type) (svany_in_head_set & (1 << (type)))
686		757
687	if (svany_in_head (SvTYPE (a)))	758	if (svany_in_head (SvTYPE (a)))
688	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	759	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
689		760
690	if (svany_in_head (SvTYPE (b)))	761	if (svany_in_head (SvTYPE (b)))
…		…
693	#endif	764	#endif
694	}	765	}
695		766
696	/* swap sv heads, at least logically */	767	/* swap sv heads, at least logically */
697	static void	768	static void
698	swap_svs (pTHX_ Coro__State c)	769	swap_svs_enter (pTHX_ Coro__State c)
699	{	770	{
700	int i;	771	int i;
701		772
702	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	773	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
703	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);	774	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
704	}	775	}
705		776
		777	static void
		778	swap_svs_leave (pTHX_ Coro__State c)
		779	{
		780	int i;
		781
		782	for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
		783	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
		784	}
		785
706	#define SWAP_SVS(coro) \	786	#define SWAP_SVS_ENTER(coro) \
707	if (ecb_expect_false ((coro)->swap_sv)) \	787	if (ecb_expect_false ((coro)->swap_sv)) \
708	swap_svs (aTHX_ (coro))	788	swap_svs_enter (aTHX_ (coro))
		789
		790	#define SWAP_SVS_LEAVE(coro) \
		791	if (ecb_expect_false ((coro)->swap_sv)) \
		792	swap_svs_leave (aTHX_ (coro))
709		793
710	static void	794	static void
711	on_enterleave_call (pTHX_ SV *cb);	795	on_enterleave_call (pTHX_ SV *cb);
712		796
713	static void	797	static void
…		…
758		842
759	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	843	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
760	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	844	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
761	}	845	}
762		846
		847	if (ecb_expect_false (c->on_enter_xs))
		848	{
		849	int i;
		850
		851	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		852	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		853	}
		854
763	SWAP_SVS (c);	855	SWAP_SVS_ENTER (c);
764	}	856	}
765		857
766	static void	858	static void
767	save_perl (pTHX_ Coro__State c)	859	save_perl (pTHX_ Coro__State c)
768	{	860	{
769	SWAP_SVS (c);	861	SWAP_SVS_LEAVE (c);
		862
		863	if (ecb_expect_false (c->on_leave_xs))
		864	{
		865	int i;
		866
		867	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		868	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		869	}
770		870
771	if (ecb_expect_false (c->on_leave))	871	if (ecb_expect_false (c->on_leave))
772	{	872	{
773	int i;	873	int i;
774		874
…		…
901	#endif	1001	#endif
902		1002
903	New(54,PL_savestack,24,ANY);	1003	New(54,PL_savestack,24,ANY);
904	PL_savestack_ix = 0;	1004	PL_savestack_ix = 0;
905	PL_savestack_max = 24;	1005	PL_savestack_max = 24;
		1006	#if PERL_VERSION_ATLEAST (5,24,0)
		1007	/* perl 5.24 moves SS_MAXPUSH optimisation from */
		1008	/* the header macros to PL_savestack_max */
		1009	PL_savestack_max -= SS_MAXPUSH;
		1010	#endif
906		1011
907	#if !PERL_VERSION_ATLEAST (5,10,0)	1012	#if !PERL_VERSION_ATLEAST (5,10,0)
908	New(54,PL_retstack,4,OP*);	1013	New(54,PL_retstack,4,OP*);
909	PL_retstack_ix = 0;	1014	PL_retstack_ix = 0;
910	PL_retstack_max = 4;	1015	PL_retstack_max = 4;
…		…
976	}	1081	}
977		1082
978	return rss;	1083	return rss;
979	}	1084	}
980		1085
981	/ coroutine stack handling **********************************************/	1086	/ provide custom get/set/clear methods for %SIG elements ****************/
982
983	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
984	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
985	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
986		1087
987	/* apparently < 5.8.8 */	1088	/* apparently < 5.8.8 */
988	#ifndef MgPV_nolen_const	1089	#ifndef MgPV_nolen_const
989	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1090	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
990	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1091	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
991	(const char*)(mg)->mg_ptr)	1092	(const char*)(mg)->mg_ptr)
992	#endif	1093	#endif
		1094
		1095	/* this will be a patched copy of PL_vtbl_sigelem */
		1096	static MGVTBL coro_sigelem_vtbl;
		1097
		1098	static int ecb_cold
		1099	coro_sig_copy (pTHX_ SV sv, MAGIC mg, SV nsv, const char name, I32 namlen)
		1100	{
		1101	char key = SvPV_nolen ((SV )name);
		1102
		1103	/* do what mg_copy normally does */
		1104	sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
		1105	assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
		1106
		1107	/* patch sigelem vtbl, but only for __WARN__ and __DIE__ */
		1108	if (*key == '_'
		1109	&& (strEQ (key, "__DIE__")
		1110	\|\| strEQ (key, "__WARN__")))
		1111	mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
		1112
		1113	return 1;
		1114	}
		1115
		1116	/* perl does not have a %SIG vtbl, we provide one so we can override */
		1117	/* the magic vtbl for the __DIE__ and __WARN__ members */
		1118	static const MGVTBL coro_sig_vtbl = {
		1119	0, 0, 0, 0, 0,
		1120	coro_sig_copy
		1121	};
993		1122
994	/*	1123	/*
995	* This overrides the default magic get method of %SIG elements.	1124	* This overrides the default magic get method of %SIG elements.
996	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	1125	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
997	* and instead of trying to save and restore the hash elements (extremely slow),	1126	* and instead of trying to save and restore the hash elements (extremely slow),
…		…
999	*/	1128	*/
1000	static int ecb_cold	1129	static int ecb_cold
1001	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	1130	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
1002	{	1131	{
1003	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;
1004		1135
1005	if (*s == '_')	1136	SV *ssv;
1006	{
1007	SV **svp = 0;
1008		1137
1009	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1010	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1011
1012	if (svp)	1138	if (!*svp)
1013	{
1014	SV *ssv;
1015
1016	if (!*svp)
1017	ssv = &PL_sv_undef;	1139	ssv = &PL_sv_undef;
1018	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */	1140	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */
1019	ssv = sv_2mortal (newRV_inc (*svp));	1141	ssv = sv_2mortal (newRV_inc (*svp));
1020	else	1142	else
1021	ssv = *svp;	1143	ssv = *svp;
1022		1144
1023	sv_setsv (sv, ssv);	1145	sv_setsv (sv, ssv);
1024	return 0;	1146	return 0;
1025	}
1026	}
1027
1028	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1029	}	1147	}
1030		1148
1031	static int ecb_cold	1149	static int ecb_cold
1032	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1150	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1033	{	1151	{
1034	const char *s = MgPV_nolen_const (mg);	1152	const char *s = MgPV_nolen_const (mg);
		1153	/* the key must be either __DIE__ or __WARN__ here */
		1154	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1035		1155
1036	if (*s == '_')
1037	{
1038	SV **svp = 0;
1039
1040	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1041	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1042
1043	if (svp)
1044	{
1045	SV old = svp;	1156	SV old = svp;
1046	*svp = 0;	1157	*svp = 0;
1047	SvREFCNT_dec (old);	1158	SvREFCNT_dec (old);
1048	return 0;	1159	return 0;
1049	}
1050	}
1051
1052	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1053	}	1160	}
1054		1161
1055	static int ecb_cold	1162	static int ecb_cold
1056	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1163	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1057	{	1164	{
1058	const char *s = MgPV_nolen_const (mg);	1165	const char *s = MgPV_nolen_const (mg);
		1166	/* the key must be either __DIE__ or __WARN__ here */
		1167	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1059		1168
1060	if (*s == '_')
1061	{
1062	SV **svp = 0;
1063
1064	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1065	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1066
1067	if (svp)
1068	{
1069	SV old = svp;	1169	SV old = svp;
1070	*svp = SvOK (sv) ? newSVsv (sv) : 0;	1170	*svp = SvOK (sv) ? newSVsv (sv) : 0;
1071	SvREFCNT_dec (old);	1171	SvREFCNT_dec (old);
1072	return 0;	1172	return 0;
1073	}
1074	}
1075
1076	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
1077	}	1173	}
1078		1174
1079	static void	1175	static void
1080	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1176	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1081	{	1177	{
…		…
1092	static int	1188	static int
1093	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1189	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1094	{	1190	{
1095	return 1;	1191	return 1;
1096	}	1192	}
		1193
		1194	/ coroutine stack handling **********************************************/
1097		1195
1098	static UNOP init_perl_op;	1196	static UNOP init_perl_op;
1099		1197
1100	ecb_noinline static void /* noinline to keep it out of the transfer fast path */	1198	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1101	init_perl (pTHX_ struct coro *coro)	1199	init_perl (pTHX_ struct coro *coro)
…		…
1127		1225
1128	GvSV (PL_defgv) = newSV (0);	1226	GvSV (PL_defgv) = newSV (0);
1129	GvAV (PL_defgv) = coro->args; coro->args = 0;	1227	GvAV (PL_defgv) = coro->args; coro->args = 0;
1130	GvSV (PL_errgv) = newSV (0);	1228	GvSV (PL_errgv) = newSV (0);
1131	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1229	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1132	GvHV (PL_hintgv) = 0;	1230	GvHV (PL_hintgv) = newHV ();
		1231	#if PERL_VERSION_ATLEAST (5,10,0)
		1232	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1233	#endif
1133	PL_rs = newSVsv (GvSV (irsgv));	1234	PL_rs = newSVsv (GvSV (irsgv));
1134	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1235	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1135		1236
1136	{	1237	{
1137	dSP;	1238	dSP;
…		…
1141	myop.op_next = Nullop;	1242	myop.op_next = Nullop;
1142	myop.op_type = OP_ENTERSUB;	1243	myop.op_type = OP_ENTERSUB;
1143	myop.op_flags = OPf_WANT_VOID;	1244	myop.op_flags = OPf_WANT_VOID;
1144		1245
1145	PUSHMARK (SP);	1246	PUSHMARK (SP);
1146	PUSHs ((SV *)coro->startcv);	1247	XPUSHs ((SV *)coro->startcv);
1147	PUTBACK;	1248	PUTBACK;
1148	PL_op = (OP *)&myop;	1249	PL_op = (OP *)&myop;
1149	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1250	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1150	}	1251	}
1151		1252
…		…
1165	PL_op = (OP *)&init_perl_op;	1266	PL_op = (OP *)&init_perl_op;
1166		1267
1167	/* copy throw, in case it was set before init_perl */	1268	/* copy throw, in case it was set before init_perl */
1168	CORO_THROW = coro->except;	1269	CORO_THROW = coro->except;
1169		1270
1170	SWAP_SVS (coro);	1271	SWAP_SVS_ENTER (coro);
1171		1272
1172	if (ecb_expect_false (enable_times))	1273	if (ecb_expect_false (enable_times))
1173	{	1274	{
1174	coro_times_update ();	1275	coro_times_update ();
1175	coro_times_sub (coro);	1276	coro_times_sub (coro);
…		…
1213	/* this will cause transfer_check to croak on block*/	1314	/* this will cause transfer_check to croak on block*/
1214	SvRV_set (coro_current, (SV *)coro->hv);	1315	SvRV_set (coro_current, (SV *)coro->hv);
1215		1316
1216	load_perl (aTHX_ coro);	1317	load_perl (aTHX_ coro);
1217		1318
		1319	/* restore swapped sv's */
		1320	SWAP_SVS_LEAVE (coro);
		1321
1218	coro_unwind_stacks (aTHX);	1322	coro_unwind_stacks (aTHX);
1219
1220	/* restore swapped sv's */
1221	SWAP_SVS (coro);
1222		1323
1223	coro_destruct_stacks (aTHX);	1324	coro_destruct_stacks (aTHX);
1224		1325
1225	/* now save some sv's to be free'd later */	1326	/* now save some sv's to be free'd later */
1226	svf [0] = GvSV (PL_defgv);	1327	svf [0] = GvSV (PL_defgv);
…		…
1247		1348
1248	SvREFCNT_dec (coro->saved_deffh);	1349	SvREFCNT_dec (coro->saved_deffh);
1249	SvREFCNT_dec (coro->rouse_cb);	1350	SvREFCNT_dec (coro->rouse_cb);
1250	SvREFCNT_dec (coro->invoke_cb);	1351	SvREFCNT_dec (coro->invoke_cb);
1251	SvREFCNT_dec (coro->invoke_av);	1352	SvREFCNT_dec (coro->invoke_av);
		1353	SvREFCNT_dec (coro->on_enter_xs);
		1354	SvREFCNT_dec (coro->on_leave_xs);
1252	}	1355	}
1253	}	1356	}
1254		1357
1255	ecb_inline void	1358	ecb_inline void
1256	free_coro_mortal (pTHX)	1359	free_coro_mortal (pTHX)
…		…
1297	av_push (av, SvREFCNT_inc_NN (*bot++));	1400	av_push (av, SvREFCNT_inc_NN (*bot++));
1298		1401
1299	PL_runops = RUNOPS_DEFAULT;	1402	PL_runops = RUNOPS_DEFAULT;
1300	ENTER;	1403	ENTER;
1301	SAVETMPS;	1404	SAVETMPS;
		1405	PUSHMARK (SP);
1302	EXTEND (SP, 3);	1406	EXTEND (SP, 3);
1303	PUSHMARK (SP);
1304	PUSHs (&PL_sv_no);	1407	PUSHs (&PL_sv_no);
1305	PUSHs (fullname);	1408	PUSHs (fullname);
1306	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	1409	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
1307	PUTBACK;	1410	PUTBACK;
1308	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1411	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
…		…
1319		1422
1320	if (PL_curcop != &PL_compiling)	1423	if (PL_curcop != &PL_compiling)
1321	{	1424	{
1322	SV **cb;	1425	SV **cb;
1323		1426
1324	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1427	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1325	{	1428	{
1326	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1429	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1327		1430
1328	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1431	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1329	{	1432	{
…		…
1335	gv_efullname3 (fullname, gv, 0);	1438	gv_efullname3 (fullname, gv, 0);
1336		1439
1337	PL_runops = RUNOPS_DEFAULT;	1440	PL_runops = RUNOPS_DEFAULT;
1338	ENTER;	1441	ENTER;
1339	SAVETMPS;	1442	SAVETMPS;
		1443	PUSHMARK (SP);
1340	EXTEND (SP, 3);	1444	EXTEND (SP, 3);
1341	PUSHMARK (SP);
1342	PUSHs (&PL_sv_yes);	1445	PUSHs (&PL_sv_yes);
1343	PUSHs (fullname);	1446	PUSHs (fullname);
1344	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1447	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef);
1345	PUTBACK;	1448	PUTBACK;
1346	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1449	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1347	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1450	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1348	SPAGAIN;	1451	SPAGAIN;
1349	FREETMPS;	1452	FREETMPS;
…		…
1359	dSP;	1462	dSP;
1360		1463
1361	PL_runops = RUNOPS_DEFAULT;	1464	PL_runops = RUNOPS_DEFAULT;
1362	ENTER;	1465	ENTER;
1363	SAVETMPS;	1466	SAVETMPS;
1364	EXTEND (SP, 3);
1365	PL_runops = RUNOPS_DEFAULT;
1366	PUSHMARK (SP);	1467	PUSHMARK (SP);
		1468	EXTEND (SP, 2);
1367	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	1469	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
1368	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	1470	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
1369	PUTBACK;	1471	PUTBACK;
1370	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	1472	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
1371	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1473	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
…		…
1471	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1573	* coro body here, as perl_run destroys these. Likewise, we cannot catch
1472	* runtime errors here, as this is just a random interpreter, not a thread.	1574	* runtime errors here, as this is just a random interpreter, not a thread.
1473	*/	1575	*/
1474		1576
1475	/*	1577	/*
		1578	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1579	* requires PL_scopestack_ix, so do it here if required.
		1580	*/
		1581	if (!PL_scopestack_ix)
		1582	ENTER;
		1583
		1584	/*
1476	* If perl-run returns we assume exit() was being called or the coro	1585	* If perl-run returns we assume exit() was being called or the coro
1477	* fell off the end, which seems to be the only valid (non-bug)	1586	* fell off the end, which seems to be the only valid (non-bug)
1478	* reason for perl_run to return. We try to mimic whatever perl is normally	1587	* reason for perl_run to return. We try to mimic whatever perl is normally
1479	* doing in that case. YMMV.	1588	* doing in that case. YMMV.
1480	*/	1589	*/
…		…
1906	/* nothing to schedule: call the idle handler */	2015	/* nothing to schedule: call the idle handler */
1907	if (SvROK (sv_idle)	2016	if (SvROK (sv_idle)
1908	&& SvOBJECT (SvRV (sv_idle)))	2017	&& SvOBJECT (SvRV (sv_idle)))
1909	{	2018	{
1910	if (SvRV (sv_idle) == SvRV (coro_current))	2019	if (SvRV (sv_idle) == SvRV (coro_current))
		2020	{
		2021	require_pv ("Carp");
		2022
		2023	{
		2024	dSP;
		2025
		2026	ENTER;
		2027	SAVETMPS;
		2028
		2029	PUSHMARK (SP);
1911	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2030	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2031	PUTBACK;
		2032	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2033
		2034	FREETMPS;
		2035	LEAVE;
		2036	}
		2037	}
1912		2038
1913	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2039	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1914	api_ready (aTHX_ SvRV (sv_idle));	2040	api_ready (aTHX_ SvRV (sv_idle));
1915	--coro_nready;	2041	--coro_nready;
1916	}	2042	}
…		…
2220	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2346	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2221	}	2347	}
2222	else	2348	else
2223	{	2349	{
2224	struct coro *self = SvSTATE_current;	2350	struct coro *self = SvSTATE_current;
		2351
		2352	if (!self)
		2353	croak ("Coro::cancel called outside of thread content,");
2225		2354
2226	/* otherwise we cancel directly, purely for speed reasons	2355	/* otherwise we cancel directly, purely for speed reasons
2227	* unfortunately, this requires some magic trickery, as	2356	* unfortunately, this requires some magic trickery, as
2228	* somebody else could cancel us, so we have to fight the cancellation.	2357	* somebody else could cancel us, so we have to fight the cancellation.
2229	* this is ugly, and hopefully fully worth the extra speed.	2358	* this is ugly, and hopefully fully worth the extra speed.
…		…
2262	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)	2391	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)
2263	{	2392	{
2264	if (coro->cctx)	2393	if (coro->cctx)
2265	croak ("coro inside C callback, unable to cancel at this time, caught");	2394	croak ("coro inside C callback, unable to cancel at this time, caught");
2266		2395
2267	if (coro->flags & CF_NEW)	2396	if (coro->flags & (CF_NEW \| CF_ZOMBIE))
2268	{	2397	{
2269	coro_set_status (aTHX_ coro, arg, items);	2398	coro_set_status (aTHX_ coro, arg, items);
2270	coro_state_destroy (aTHX_ coro);	2399	coro_state_destroy (aTHX_ coro);
2271	}	2400	}
2272	else	2401	else
…		…
2339	else	2468	else
2340	{	2469	{
2341	av_clear (GvAV (PL_defgv));	2470	av_clear (GvAV (PL_defgv));
2342	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2471	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2343		2472
		2473	if (ecb_expect_false (coro->swap_sv))
		2474	{
		2475	SWAP_SVS_LEAVE (coro);
		2476	SvREFCNT_dec_NN (coro->swap_sv);
		2477	coro->swap_sv = 0;
		2478	}
		2479
2344	coro->prio = 0;	2480	coro->prio = 0;
2345		2481
2346	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2482	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2347	api_trace (aTHX_ coro_current, 0);	2483	api_trace (aTHX_ coro_current, 0);
2348		2484
2349	frame->prepare = prepare_schedule;	2485	frame->prepare = prepare_schedule;
2350	av_push (av_async_pool, SvREFCNT_inc (hv));	2486	av_push (av_async_pool, SvREFCNT_inc (hv));
2351	}	2487	}
…		…
2571		2707
2572	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2708	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2573	static void	2709	static void
2574	slf_destroy (pTHX_ struct coro *coro)	2710	slf_destroy (pTHX_ struct coro *coro)
2575	{	2711	{
2576	/* this callback is reserved for slf functions needing to do cleanup */	2712	struct CoroSLF frame = coro->slf_frame;
2577	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2578	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2579		2713
2580	/*	2714	/*
2581	* The on_destroy above most likely is from an SLF call.	2715	* The on_destroy below most likely is from an SLF call.
2582	* Since by definition the SLF call will not finish when we destroy	2716	* Since by definition the SLF call will not finish when we destroy
2583	* the coro, we will have to force-finish it here, otherwise	2717	* the coro, we will have to force-finish it here, otherwise
2584	* cleanup functions cannot call SLF functions.	2718	* cleanup functions cannot call SLF functions.
2585	*/	2719	*/
2586	coro->slf_frame.prepare = 0;	2720	coro->slf_frame.prepare = 0;
		2721
		2722	/* this callback is reserved for slf functions needing to do cleanup */
		2723	if (frame.destroy && frame.prepare && !PL_dirty)
		2724	frame.destroy (aTHX_ &frame);
2587	}	2725	}
2588		2726
2589	/*	2727	/*
2590	* these not obviously related functions are all rolled into one	2728	* these not obviously related functions are all rolled into one
2591	* function to increase chances that they all will call transfer with the same	2729	* function to increase chances that they all will call transfer with the same
…		…
2774	static void	2912	static void
2775	coro_pop_on_leave (pTHX_ void *coro)	2913	coro_pop_on_leave (pTHX_ void *coro)
2776	{	2914	{
2777	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2915	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2778	on_enterleave_call (aTHX_ sv_2mortal (cb));	2916	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2917	}
		2918
		2919	static void
		2920	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2921	{
		2922	if (!hook)
		2923	return;
		2924
		2925	if (!*avp)
		2926	{
		2927	*avp = newAV ();
		2928	AvREAL_off (*avp);
		2929	}
		2930
		2931	av_push (avp, (SV )hook);
		2932	av_push (avp, (SV )arg);
		2933	}
		2934
		2935	static void
		2936	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2937	{
		2938	AV av = avp;
		2939	int i;
		2940
		2941	if (!av)
		2942	return;
		2943
		2944	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2945	if (AvARRAY (av)[i] == (SV *)hook)
		2946	{
		2947	if (execute)
		2948	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2949
		2950	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2951	av_pop (av);
		2952	av_pop (av);
		2953	break;
		2954	}
		2955
		2956	if (AvFILLp (av) >= 0)
		2957	{
		2958	*avp = 0;
		2959	SvREFCNT_dec_NN (av);
		2960	}
		2961	}
		2962
		2963	static void
		2964	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2965	{
		2966	struct coro *coro = SvSTATE (coro_sv);
		2967
		2968	if (SvSTATE_current == coro)
		2969	if (enter)
		2970	enter (aTHX_ enter_arg);
		2971
		2972	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2973	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2974	}
		2975
		2976	static void
		2977	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2978	{
		2979	struct coro *coro = SvSTATE (coro_sv);
		2980
		2981	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2982	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2983	}
		2984
		2985	static void
		2986	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2987	{
		2988	struct coro *coro = SvSTATE_current;
		2989
		2990	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2991	}
		2992
		2993	static void
		2994	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2995	{
		2996	struct coro *coro = SvSTATE_current;
		2997
		2998	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2999	}
		3000
		3001	static void
		3002	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		3003	{
		3004	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		3005
		3006	/* this ought to be much cheaper than malloc + a single destructor call */
		3007	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		3008	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2779	}	3009	}
2780		3010
2781	/*****************************************************************************/	3011	/*****************************************************************************/
2782	/* PerlIO::cede */	3012	/* PerlIO::cede */
2783		3013
…		…
2913	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3143	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2914	PUTBACK;	3144	PUTBACK;
2915	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3145	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2916	}	3146	}
2917		3147
2918	SvREFCNT_dec (cb);	3148	SvREFCNT_dec_NN (cb);
2919	}	3149	}
2920	}	3150	}
2921		3151
2922	static void	3152	static void
2923	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3153	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2931	{	3161	{
2932	AV av = (AV )frame->data;	3162	AV av = (AV )frame->data;
2933	SV *count_sv = AvARRAY (av)[0];	3163	SV *count_sv = AvARRAY (av)[0];
2934	SV *coro_hv = SvRV (coro_current);	3164	SV *coro_hv = SvRV (coro_current);
2935		3165
		3166	frame->destroy = 0;
		3167
2936	/* if we are about to throw, don't actually acquire the lock, just throw */	3168	/* if we are about to throw, don't actually acquire the lock, just throw */
2937	if (CORO_THROW)	3169	if (ecb_expect_false (CORO_THROW))
		3170	{
		3171	/* we still might be responsible for the semaphore, so wake up others */
		3172	coro_semaphore_adjust (aTHX_ av, 0);
		3173
2938	return 0;	3174	return 0;
		3175	}
2939	else if (SvIVX (count_sv) > 0)	3176	else if (SvIVX (count_sv) > 0)
2940	{	3177	{
2941	frame->destroy = 0;
2942
2943	if (acquire)	3178	if (acquire)
2944	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3179	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2945	else	3180	else
2946	coro_semaphore_adjust (aTHX_ av, 0);	3181	coro_semaphore_adjust (aTHX_ av, 0);
2947		3182
…		…
3058	{	3293	{
3059	api_ready (aTHX_ cb);	3294	api_ready (aTHX_ cb);
3060	sv_setiv (cb, 0); /* signal waiter */	3295	sv_setiv (cb, 0); /* signal waiter */
3061	}	3296	}
3062		3297
3063	SvREFCNT_dec (cb);	3298	SvREFCNT_dec_NN (cb);
3064		3299
3065	--count;	3300	--count;
3066	}	3301	}
3067	}	3302	}
3068		3303
…		…
3153	}	3388	}
3154		3389
3155	av_push (state, data_sv);	3390	av_push (state, data_sv);
3156		3391
3157	api_ready (aTHX_ coro);	3392	api_ready (aTHX_ coro);
3158	SvREFCNT_dec (coro);	3393	SvREFCNT_dec_NN (coro);
3159	SvREFCNT_dec ((AV *)state);	3394	SvREFCNT_dec_NN ((AV *)state);
3160	}	3395	}
3161		3396
3162	static int	3397	static int
3163	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3398	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3164	{	3399	{
…		…
3182	errno = data->errorno;	3417	errno = data->errorno;
3183	PL_laststype = data->laststype;	3418	PL_laststype = data->laststype;
3184	PL_laststatval = data->laststatval;	3419	PL_laststatval = data->laststatval;
3185	PL_statcache = data->statcache;	3420	PL_statcache = data->statcache;
3186		3421
3187	SvREFCNT_dec (data_sv);	3422	SvREFCNT_dec_NN (data_sv);
3188	}	3423	}
3189		3424
3190	/* push result values */	3425	/* push result values */
3191	{	3426	{
3192	dSP;	3427	dSP;
…		…
3381		3616
3382	map_len = load_len + save_len + 16;	3617	map_len = load_len + save_len + 16;
3383		3618
3384	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3619	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3385		3620
		3621	if (map_base == (char *)MAP_FAILED)
		3622	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3623
3386	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3624	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3387		3625
3388	load_perl_slots = (load_save_perl_slots_type)map_base;	3626	load_perl_slots = (load_save_perl_slots_type)map_base;
3389	memcpy (map_base, load_ptr, load_len);	3627	memcpy (map_base, load_ptr, load_len);
3390		3628
…		…
3407		3645
3408	PROTOTYPES: DISABLE	3646	PROTOTYPES: DISABLE
3409		3647
3410	BOOT:	3648	BOOT:
3411	{	3649	{
		3650	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3651	#include "state.h"
3412	#ifdef USE_ITHREADS	3652	#ifdef USE_ITHREADS
3413	# if CORO_PTHREAD	3653	# if CORO_PTHREAD
3414	coro_thx = PERL_GET_CONTEXT;	3654	coro_thx = PERL_GET_CONTEXT;
3415	# endif	3655	# endif
3416	#endif	3656	#endif
…		…
3424	cctx_current = cctx_new_empty ();	3664	cctx_current = cctx_new_empty ();
3425		3665
3426	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3666	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3427	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3667	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3428		3668
3429	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3669	{
3430	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3670	/*
3431	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3671	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3672	* by coro_sig_vtbl in hash values.
		3673	*/
		3674	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3675
		3676	/* this only works if perl doesn't have a vtbl for %SIG */
		3677	assert (!mg->mg_virtual);
		3678
		3679	/*
		3680	* The irony is that the perl API itself asserts that mg_virtual
		3681	* must be non-const, yet perl5porters insisted on marking their
		3682	* vtbls as read-only, just to thwart perl modules from patching
		3683	* them.
		3684	*/
		3685	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3686	mg->mg_flags \|= MGf_COPY;
		3687
		3688	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3689	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3690	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3691	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3692	}
3432		3693
3433	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3434	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3694	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3435	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3695	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3436		3696
3437	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3697	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		3698
		3699	newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */
3438		3700
3439	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	3701	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
3440	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	3702	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
3441	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	3703	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
3442	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	3704	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
…		…
3744	if (ecb_expect_false (current == self))	4006	if (ecb_expect_false (current == self))
3745	coro_times_sub (SvSTATE (coro_current));	4007	coro_times_sub (SvSTATE (coro_current));
3746	}	4008	}
3747		4009
3748	void	4010	void
3749	swap_sv (Coro::State coro, SV sv, SV swapsv)	4011	swap_sv (Coro::State coro, SV sva, SV svb)
3750	CODE:	4012	CODE:
3751	{	4013	{
3752	struct coro *current = SvSTATE_current;	4014	struct coro *current = SvSTATE_current;
		4015	AV *swap_sv;
		4016	int i;
		4017
		4018	sva = SvRV (sva);
		4019	svb = SvRV (svb);
3753		4020
3754	if (current == coro)	4021	if (current == coro)
3755	SWAP_SVS (current);	4022	SWAP_SVS_LEAVE (current);
3756		4023
3757	if (!coro->swap_sv)	4024	if (!coro->swap_sv)
3758	coro->swap_sv = newAV ();	4025	coro->swap_sv = newAV ();
3759		4026
		4027	swap_sv = coro->swap_sv;
		4028
		4029	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4030	{
		4031	SV *a = AvARRAY (swap_sv)[i ];
		4032	SV *b = AvARRAY (swap_sv)[i + 1];
		4033
		4034	if (a == sva && b == svb)
		4035	{
		4036	SvREFCNT_dec_NN (a);
		4037	SvREFCNT_dec_NN (b);
		4038
		4039	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4040	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4041
		4042	AvFILLp (swap_sv) -= 2;
		4043
		4044	goto removed;
		4045	}
		4046	}
		4047
3760	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4048	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3761	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4049	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4050
		4051	removed:
3762		4052
3763	if (current == coro)	4053	if (current == coro)
3764	SWAP_SVS (current);	4054	SWAP_SVS_ENTER (current);
3765	}	4055	}
3766		4056
3767		4057
3768	MODULE = Coro::State PACKAGE = Coro	4058	MODULE = Coro::State PACKAGE = Coro
3769		4059
3770	BOOT:	4060	BOOT:
3771	{	4061	{
		4062	if (SVt_LAST > 32)
		4063	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4064
3772	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4065	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3773	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4066	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3774	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4067	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3775	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4068	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3776	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4069	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3802	coroapi.ready = api_ready;	4095	coroapi.ready = api_ready;
3803	coroapi.is_ready = api_is_ready;	4096	coroapi.is_ready = api_is_ready;
3804	coroapi.nready = coro_nready;	4097	coroapi.nready = coro_nready;
3805	coroapi.current = coro_current;	4098	coroapi.current = coro_current;
3806		4099
		4100	coroapi.enterleave_hook = api_enterleave_hook;
		4101	coroapi.enterleave_unhook = api_enterleave_unhook;
		4102	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4103
3807	/GCoroAPI = &coroapi;/	4104	/GCoroAPI = &coroapi;/
3808	sv_setiv (sv, (IV)&coroapi);	4105	sv_setiv (sv, PTR2IV (&coroapi));
3809	SvREADONLY_on (sv);	4106	SvREADONLY_on (sv);
3810	}	4107	}
3811	}	4108	}
3812		4109
3813	SV *	4110	SV *
…		…
3876		4173
3877	void	4174	void
3878	_set_current (SV *current)	4175	_set_current (SV *current)
3879	PROTOTYPE: $	4176	PROTOTYPE: $
3880	CODE:	4177	CODE:
3881	SvREFCNT_dec (SvRV (coro_current));	4178	SvREFCNT_dec_NN (SvRV (coro_current));
3882	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4179	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3883		4180
3884	void	4181	void
3885	_set_readyhook (SV *hook)	4182	_set_readyhook (SV *hook)
3886	PROTOTYPE: $	4183	PROTOTYPE: $
…		…
3970		4267
3971	if ((SV *)hv == &PL_sv_undef)	4268	if ((SV *)hv == &PL_sv_undef)
3972	{	4269	{
3973	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4270	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3974	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4271	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3975	SvREFCNT_dec (sv);	4272	SvREFCNT_dec_NN (sv);
3976	}	4273	}
3977		4274
3978	{	4275	{
3979	struct coro *coro = SvSTATE_hv (hv);	4276	struct coro *coro = SvSTATE_hv (hv);
3980		4277
…		…
3987	api_ready (aTHX_ (SV *)hv);	4284	api_ready (aTHX_ (SV *)hv);
3988		4285
3989	if (GIMME_V != G_VOID)	4286	if (GIMME_V != G_VOID)
3990	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4287	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3991	else	4288	else
3992	SvREFCNT_dec (hv);	4289	SvREFCNT_dec_NN (hv);
3993	}	4290	}
3994		4291
3995	SV *	4292	SV *
3996	rouse_cb ()	4293	rouse_cb ()
3997	PROTOTYPE:	4294	PROTOTYPE:
…		…
4076	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4373	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4077	OUTPUT:	4374	OUTPUT:
4078	RETVAL	4375	RETVAL
4079		4376
4080	void	4377	void
4081	up (SV *self, int adjust = 1)	4378	up (SV *self)
4082	ALIAS:
4083	adjust = 1
4084	CODE:	4379	CODE:
		4380	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4381
		4382	void
		4383	adjust (SV *self, int adjust)
		4384	CODE:
4085	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4385	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4086		4386
4087	void	4387	void
4088	down (...)	4388	down (...)
4089	CODE:	4389	CODE:
4090	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4390	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);

Diff Legend

-–
+Removed lines
-+
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+Changed lines
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Comparing Coro/Coro/State.xs (file contents): Revision 1.436 by root, Tue Nov 5 14:38:46 2013 UTC vs. Revision 1.474 by root, Tue Aug 14 15:46:03 2018 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.436 by root, Tue Nov 5 14:38:46 2013 UTC vs.
Revision 1.474 by root, Tue Aug 14 15:46:03 2018 UTC