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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.441 by root, Tue Mar 4 05:07:44 2014 UTC vs.
Revision 1.477 by root, Sat Feb 29 21:40:22 2020 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"
…		…
21		41
22	#include <stddef.h>	42	#include <stddef.h>
23	#include <stdio.h>	43	#include <stdio.h>
24	#include <errno.h>	44	#include <errno.h>
25	#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
26		54
27	#ifndef SVs_PADSTALE	55	#ifndef SVs_PADSTALE
28	# define SVs_PADSTALE 0	56	# define SVs_PADSTALE 0
29	#endif	57	#endif
30		58
…		…
42	# define PadlistNAMES(pl) (*PadlistARRAY (pl))	70	# define PadlistNAMES(pl) (*PadlistARRAY (pl))
43	# define PadARRAY AvARRAY	71	# define PadARRAY AvARRAY
44	# define PadMAX AvFILLp	72	# define PadMAX AvFILLp
45	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))	73	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
46	#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
47		81
48	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */	82	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
49	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */	83	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
50	#if PERL_VERSION_ATLEAST(5,19,0)	84	#if PERL_VERSION_ATLEAST(5,19,0)
51	# define SVt_BIND SVt_IV	85	# define SVt_BIND SVt_IV
…		…
102	# define CORO_CLOCK_MONOTONIC 1	136	# define CORO_CLOCK_MONOTONIC 1
103	# define CORO_CLOCK_THREAD_CPUTIME_ID 3	137	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
104	# endif	138	# endif
105	#endif	139	#endif
106		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
107	static double (nvtime)(); / so why doesn't it take void? */	159	static double (nvtime)(); / so why doesn't it take void? */
108	static void (*u2time)(pTHX_ UV ret[2]);	160	static void (*u2time)(pTHX_ UV ret[2]);
109		161
110	/* we hijack an hopefully unused CV flag for our purposes */	162	/* we hijack an hopefully unused CV flag for our purposes */
111	#define CVf_SLF 0x4000	163	#define CVf_SLF 0x4000
…		…
126		178
127	static GV irsgv; / $/ */	179	static GV irsgv; / $/ */
128	static GV stdoutgv; / STDOUT /	180	static GV stdoutgv; / STDOUT /
129	static SV *rv_diehook;	181	static SV *rv_diehook;
130	static SV *rv_warnhook;	182	static SV *rv_warnhook;
131	static HV hv_sig; / %SIG */
132		183
133	/* async_pool helper stuff */	184	/* async_pool helper stuff */
134	static SV *sv_pool_rss;	185	static SV *sv_pool_rss;
135	static SV *sv_pool_size;	186	static SV *sv_pool_size;
136	static SV sv_async_pool_idle; / description string */	187	static SV sv_async_pool_idle; / description string */
…		…
242	SV *saved_deffh;	293	SV *saved_deffh;
243	SV *invoke_cb;	294	SV *invoke_cb;
244	AV *invoke_av;	295	AV *invoke_av;
245		296
246	/* on_enter/on_leave */	297	/* on_enter/on_leave */
247	AV *on_enter;	298	AV on_enter; AV on_enter_xs;
248	AV *on_leave;	299	AV on_leave; AV on_leave_xs;
249		300
250	/* swap_sv */	301	/* swap_sv */
251	AV *swap_sv;	302	AV *swap_sv;
252		303
253	/* times */	304	/* times */
…		…
489		540
490	return 0;	541	return 0;
491	}	542	}
492		543
493	ecb_inline struct coro *	544	ecb_inline struct coro *
494	SvSTATE_ (pTHX_ SV *coro)	545	SvSTATE_ (pTHX_ SV *coro_sv)
495	{	546	{
496	MAGIC *mg;	547	MAGIC *mg;
497		548
498	if (SvROK (coro))	549	if (SvROK (coro_sv))
499	coro = SvRV (coro);	550	coro_sv = SvRV (coro_sv);
500		551
501	mg = SvSTATEhv_p (aTHX_ coro);	552	mg = SvSTATEhv_p (aTHX_ coro_sv);
502	if (!mg)	553	if (!mg)
503	croak ("Coro::State object required");	554	croak ("Coro::State object required");
504		555
505	return (struct coro *)mg->mg_ptr;	556	return (struct coro *)mg->mg_ptr;
506	}	557	}
…		…
517	ecb_inline PADLIST *	568	ecb_inline PADLIST *
518	coro_derive_padlist (pTHX_ CV *cv)	569	coro_derive_padlist (pTHX_ CV *cv)
519	{	570	{
520	PADLIST *padlist = CvPADLIST (cv);	571	PADLIST *padlist = CvPADLIST (cv);
521	PADLIST *newpadlist;	572	PADLIST *newpadlist;
		573	PADNAMELIST *padnames;
522	PAD *newpad;	574	PAD *newpad;
523	PADOFFSET off = PadlistMAX (padlist) + 1;	575	PADOFFSET off = PadlistMAX (padlist) + 1;
524		576
525	#if NEWPADAPI	577	#if NEWPADAPI
526		578
…		…
553	AvREAL_off (newpadlist);	605	AvREAL_off (newpadlist);
554	#endif	606	#endif
555		607
556	/* Already extended to 2 elements by newPADLIST. */	608	/* Already extended to 2 elements by newPADLIST. */
557	PadlistMAX (newpadlist) = 1;	609	PadlistMAX (newpadlist) = 1;
558	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	610
		611	padnames = PadlistNAMES (padlist);
		612	++PadnamelistREFCNT (padnames);
		613	PadlistNAMES (newpadlist) = padnames;
		614
559	PadlistARRAY (newpadlist)[1] = newpad;	615	PadlistARRAY (newpadlist)[1] = newpad;
560		616
561	return newpadlist;	617	return newpadlist;
562	}	618	}
563		619
…		…
584	PadMAX (pad) = -1;	640	PadMAX (pad) = -1;
585	SvREFCNT_dec (pad);	641	SvREFCNT_dec (pad);
586	}	642	}
587	}	643	}
588		644
589	SvREFCNT_dec (PadlistNAMES (padlist));	645	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
590		646
591	#if NEWPADAPI	647	#if NEWPADAPI
592	Safefree (PadlistARRAY (padlist));	648	Safefree (PadlistARRAY (padlist));
593	Safefree (padlist);	649	Safefree (padlist);
594	#else	650	#else
…		…
690	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;
691		747
692	/* 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,
693	* 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.
694	*/	750	*/
695	#define svany_in_head(type) \	751	U32 svany_in_head_set = (1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV);
696	(((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)))
697		757
698	if (svany_in_head (SvTYPE (a)))	758	if (svany_in_head (SvTYPE (a)))
699	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	759	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
700		760
701	if (svany_in_head (SvTYPE (b)))	761	if (svany_in_head (SvTYPE (b)))
…		…
704	#endif	764	#endif
705	}	765	}
706		766
707	/* swap sv heads, at least logically */	767	/* swap sv heads, at least logically */
708	static void	768	static void
709	swap_svs (pTHX_ Coro__State c)	769	swap_svs_enter (pTHX_ Coro__State c)
710	{	770	{
711	int i;	771	int i;
712		772
713	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	773	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
714	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]);
715	}	775	}
716		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
717	#define SWAP_SVS(coro) \	786	#define SWAP_SVS_ENTER(coro) \
718	if (ecb_expect_false ((coro)->swap_sv)) \	787	if (ecb_expect_false ((coro)->swap_sv)) \
719	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))
720		793
721	static void	794	static void
722	on_enterleave_call (pTHX_ SV *cb);	795	on_enterleave_call (pTHX_ SV *cb);
723		796
724	static void	797	static void
…		…
769		842
770	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	843	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
771	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	844	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
772	}	845	}
773		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
774	SWAP_SVS (c);	855	SWAP_SVS_ENTER (c);
775	}	856	}
776		857
777	static void	858	static void
778	save_perl (pTHX_ Coro__State c)	859	save_perl (pTHX_ Coro__State c)
779	{	860	{
780	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	}
781		870
782	if (ecb_expect_false (c->on_leave))	871	if (ecb_expect_false (c->on_leave))
783	{	872	{
784	int i;	873	int i;
785		874
…		…
912	#endif	1001	#endif
913		1002
914	New(54,PL_savestack,24,ANY);	1003	New(54,PL_savestack,24,ANY);
915	PL_savestack_ix = 0;	1004	PL_savestack_ix = 0;
916	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
917		1011
918	#if !PERL_VERSION_ATLEAST (5,10,0)	1012	#if !PERL_VERSION_ATLEAST (5,10,0)
919	New(54,PL_retstack,4,OP*);	1013	New(54,PL_retstack,4,OP*);
920	PL_retstack_ix = 0;	1014	PL_retstack_ix = 0;
921	PL_retstack_max = 4;	1015	PL_retstack_max = 4;
…		…
987	}	1081	}
988		1082
989	return rss;	1083	return rss;
990	}	1084	}
991		1085
992	/ coroutine stack handling **********************************************/	1086	/ provide custom get/set/clear methods for %SIG elements ****************/
993
994	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
995	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
996	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
997		1087
998	/* apparently < 5.8.8 */	1088	/* apparently < 5.8.8 */
999	#ifndef MgPV_nolen_const	1089	#ifndef MgPV_nolen_const
1000	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1090	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
1001	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1091	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
1002	(const char*)(mg)->mg_ptr)	1092	(const char*)(mg)->mg_ptr)
1003	#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	};
1004		1122
1005	/*	1123	/*
1006	* This overrides the default magic get method of %SIG elements.	1124	* This overrides the default magic get method of %SIG elements.
1007	* 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
1008	* 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),
…		…
1010	*/	1128	*/
1011	static int ecb_cold	1129	static int ecb_cold
1012	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	1130	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
1013	{	1131	{
1014	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;
1015		1135
1016	if (*s == '_')	1136	SV *ssv;
1017	{
1018	SV **svp = 0;
1019		1137
1020	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1021	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1022
1023	if (svp)	1138	if (!*svp)
1024	{
1025	SV *ssv;
1026
1027	if (!*svp)
1028	ssv = &PL_sv_undef;	1139	ssv = &PL_sv_undef;
1029	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. */
1030	ssv = sv_2mortal (newRV_inc (*svp));	1141	ssv = sv_2mortal (newRV_inc (*svp));
1031	else	1142	else
1032	ssv = *svp;	1143	ssv = *svp;
1033		1144
1034	sv_setsv (sv, ssv);	1145	sv_setsv (sv, ssv);
1035	return 0;	1146	return 0;
1036	}
1037	}
1038
1039	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1040	}	1147	}
1041		1148
1042	static int ecb_cold	1149	static int ecb_cold
1043	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1150	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1044	{	1151	{
1045	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;
1046		1155
1047	if (*s == '_')
1048	{
1049	SV **svp = 0;
1050
1051	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1052	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1053
1054	if (svp)
1055	{
1056	SV old = svp;	1156	SV old = svp;
1057	*svp = 0;	1157	*svp = 0;
1058	SvREFCNT_dec (old);	1158	SvREFCNT_dec (old);
1059	return 0;	1159	return 0;
1060	}
1061	}
1062
1063	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1064	}	1160	}
1065		1161
1066	static int ecb_cold	1162	static int ecb_cold
1067	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1163	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1068	{	1164	{
1069	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;
1070		1168
1071	if (*s == '_')
1072	{
1073	SV **svp = 0;
1074
1075	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1076	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1077
1078	if (svp)
1079	{
1080	SV old = svp;	1169	SV old = svp;
1081	*svp = SvOK (sv) ? newSVsv (sv) : 0;	1170	*svp = SvOK (sv) ? newSVsv (sv) : 0;
1082	SvREFCNT_dec (old);	1171	SvREFCNT_dec (old);
1083	return 0;	1172	return 0;
1084	}
1085	}
1086
1087	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
1088	}	1173	}
1089		1174
1090	static void	1175	static void
1091	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1176	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1092	{	1177	{
…		…
1103	static int	1188	static int
1104	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1189	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1105	{	1190	{
1106	return 1;	1191	return 1;
1107	}	1192	}
		1193
		1194	/ coroutine stack handling **********************************************/
1108		1195
1109	static UNOP init_perl_op;	1196	static UNOP init_perl_op;
1110		1197
1111	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 */
1112	init_perl (pTHX_ struct coro *coro)	1199	init_perl (pTHX_ struct coro *coro)
…		…
1138		1225
1139	GvSV (PL_defgv) = newSV (0);	1226	GvSV (PL_defgv) = newSV (0);
1140	GvAV (PL_defgv) = coro->args; coro->args = 0;	1227	GvAV (PL_defgv) = coro->args; coro->args = 0;
1141	GvSV (PL_errgv) = newSV (0);	1228	GvSV (PL_errgv) = newSV (0);
1142	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);
1143	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
1144	PL_rs = newSVsv (GvSV (irsgv));	1234	PL_rs = newSVsv (GvSV (irsgv));
1145	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1235	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1146		1236
1147	{	1237	{
1148	dSP;	1238	dSP;
…		…
1152	myop.op_next = Nullop;	1242	myop.op_next = Nullop;
1153	myop.op_type = OP_ENTERSUB;	1243	myop.op_type = OP_ENTERSUB;
1154	myop.op_flags = OPf_WANT_VOID;	1244	myop.op_flags = OPf_WANT_VOID;
1155		1245
1156	PUSHMARK (SP);	1246	PUSHMARK (SP);
1157	PUSHs ((SV *)coro->startcv);	1247	XPUSHs ((SV *)coro->startcv);
1158	PUTBACK;	1248	PUTBACK;
1159	PL_op = (OP *)&myop;	1249	PL_op = (OP *)&myop;
1160	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1250	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1161	}	1251	}
1162		1252
…		…
1176	PL_op = (OP *)&init_perl_op;	1266	PL_op = (OP *)&init_perl_op;
1177		1267
1178	/* copy throw, in case it was set before init_perl */	1268	/* copy throw, in case it was set before init_perl */
1179	CORO_THROW = coro->except;	1269	CORO_THROW = coro->except;
1180		1270
1181	SWAP_SVS (coro);	1271	SWAP_SVS_ENTER (coro);
1182		1272
1183	if (ecb_expect_false (enable_times))	1273	if (ecb_expect_false (enable_times))
1184	{	1274	{
1185	coro_times_update ();	1275	coro_times_update ();
1186	coro_times_sub (coro);	1276	coro_times_sub (coro);
…		…
1224	/* this will cause transfer_check to croak on block*/	1314	/* this will cause transfer_check to croak on block*/
1225	SvRV_set (coro_current, (SV *)coro->hv);	1315	SvRV_set (coro_current, (SV *)coro->hv);
1226		1316
1227	load_perl (aTHX_ coro);	1317	load_perl (aTHX_ coro);
1228		1318
		1319	/* restore swapped sv's */
		1320	SWAP_SVS_LEAVE (coro);
		1321
1229	coro_unwind_stacks (aTHX);	1322	coro_unwind_stacks (aTHX);
1230
1231	/* restore swapped sv's */
1232	SWAP_SVS (coro);
1233		1323
1234	coro_destruct_stacks (aTHX);	1324	coro_destruct_stacks (aTHX);
1235		1325
1236	/* now save some sv's to be free'd later */	1326	/* now save some sv's to be free'd later */
1237	svf [0] = GvSV (PL_defgv);	1327	svf [0] = GvSV (PL_defgv);
…		…
1258		1348
1259	SvREFCNT_dec (coro->saved_deffh);	1349	SvREFCNT_dec (coro->saved_deffh);
1260	SvREFCNT_dec (coro->rouse_cb);	1350	SvREFCNT_dec (coro->rouse_cb);
1261	SvREFCNT_dec (coro->invoke_cb);	1351	SvREFCNT_dec (coro->invoke_cb);
1262	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);
1263	}	1355	}
1264	}	1356	}
1265		1357
1266	ecb_inline void	1358	ecb_inline void
1267	free_coro_mortal (pTHX)	1359	free_coro_mortal (pTHX)
…		…
1308	av_push (av, SvREFCNT_inc_NN (*bot++));	1400	av_push (av, SvREFCNT_inc_NN (*bot++));
1309		1401
1310	PL_runops = RUNOPS_DEFAULT;	1402	PL_runops = RUNOPS_DEFAULT;
1311	ENTER;	1403	ENTER;
1312	SAVETMPS;	1404	SAVETMPS;
		1405	PUSHMARK (SP);
1313	EXTEND (SP, 3);	1406	EXTEND (SP, 3);
1314	PUSHMARK (SP);
1315	PUSHs (&PL_sv_no);	1407	PUSHs (&PL_sv_no);
1316	PUSHs (fullname);	1408	PUSHs (fullname);
1317	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	1409	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
1318	PUTBACK;	1410	PUTBACK;
1319	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);
…		…
1330		1422
1331	if (PL_curcop != &PL_compiling)	1423	if (PL_curcop != &PL_compiling)
1332	{	1424	{
1333	SV **cb;	1425	SV **cb;
1334		1426
1335	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1427	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1336	{	1428	{
1337	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1429	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1338		1430
1339	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1431	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1340	{	1432	{
…		…
1346	gv_efullname3 (fullname, gv, 0);	1438	gv_efullname3 (fullname, gv, 0);
1347		1439
1348	PL_runops = RUNOPS_DEFAULT;	1440	PL_runops = RUNOPS_DEFAULT;
1349	ENTER;	1441	ENTER;
1350	SAVETMPS;	1442	SAVETMPS;
		1443	PUSHMARK (SP);
1351	EXTEND (SP, 3);	1444	EXTEND (SP, 3);
1352	PUSHMARK (SP);
1353	PUSHs (&PL_sv_yes);	1445	PUSHs (&PL_sv_yes);
1354	PUSHs (fullname);	1446	PUSHs (fullname);
1355	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);
1356	PUTBACK;	1448	PUTBACK;
1357	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);
1358	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);
1359	SPAGAIN;	1451	SPAGAIN;
1360	FREETMPS;	1452	FREETMPS;
…		…
1370	dSP;	1462	dSP;
1371		1463
1372	PL_runops = RUNOPS_DEFAULT;	1464	PL_runops = RUNOPS_DEFAULT;
1373	ENTER;	1465	ENTER;
1374	SAVETMPS;	1466	SAVETMPS;
1375	EXTEND (SP, 3);
1376	PL_runops = RUNOPS_DEFAULT;
1377	PUSHMARK (SP);	1467	PUSHMARK (SP);
		1468	EXTEND (SP, 2);
1378	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	1469	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
1379	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	1470	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
1380	PUTBACK;	1471	PUTBACK;
1381	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);
1382	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);
…		…
1482	* 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
1483	* 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.
1484	*/	1575	*/
1485		1576
1486	/*	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	/*
1487	* 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
1488	* 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)
1489	* 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
1490	* doing in that case. YMMV.	1588	* doing in that case. YMMV.
1491	*/	1589	*/
…		…
1761		1859
1762	static int ecb_cold	1860	static int ecb_cold
1763	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)	1861	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)
1764	{	1862	{
1765	/* called when perl clones the current process the slow way (windows process emulation) */	1863	/* called when perl clones the current process the slow way (windows process emulation) */
1766	/* WE SIMply nuke the pointers in the copy, causing perl to croak */	1864	/* we simply nuke the pointers in the copy, causing perl to croak */
1767	mg->mg_ptr = 0;	1865	mg->mg_ptr = 0;
1768	mg->mg_virtual = 0;	1866	mg->mg_virtual = 0;
1769		1867
1770	return 0;	1868	return 0;
1771	}	1869	}
…		…
1927		2025
1928	ENTER;	2026	ENTER;
1929	SAVETMPS;	2027	SAVETMPS;
1930		2028
1931	PUSHMARK (SP);	2029	PUSHMARK (SP);
1932	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0)));	2030	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1933	PUTBACK;	2031	PUTBACK;
1934	call_pv ("Carp::confess", G_VOID \| G_DISCARD);	2032	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
1935		2033
1936	FREETMPS;	2034	FREETMPS;
1937	LEAVE;	2035	LEAVE;
…		…
2248	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2346	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2249	}	2347	}
2250	else	2348	else
2251	{	2349	{
2252	struct coro *self = SvSTATE_current;	2350	struct coro *self = SvSTATE_current;
		2351
		2352	if (!self)
		2353	croak ("Coro::cancel called outside of thread content,");
2253		2354
2254	/* otherwise we cancel directly, purely for speed reasons	2355	/* otherwise we cancel directly, purely for speed reasons
2255	* unfortunately, this requires some magic trickery, as	2356	* unfortunately, this requires some magic trickery, as
2256	* 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.
2257	* this is ugly, and hopefully fully worth the extra speed.	2358	* this is ugly, and hopefully fully worth the extra speed.
…		…
2290	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)	2391	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)
2291	{	2392	{
2292	if (coro->cctx)	2393	if (coro->cctx)
2293	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");
2294		2395
2295	if (coro->flags & CF_NEW)	2396	if (coro->flags & (CF_NEW \| CF_ZOMBIE))
2296	{	2397	{
2297	coro_set_status (aTHX_ coro, arg, items);	2398	coro_set_status (aTHX_ coro, arg, items);
2298	coro_state_destroy (aTHX_ coro);	2399	coro_state_destroy (aTHX_ coro);
2299	}	2400	}
2300	else	2401	else
…		…
2367	else	2468	else
2368	{	2469	{
2369	av_clear (GvAV (PL_defgv));	2470	av_clear (GvAV (PL_defgv));
2370	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);
2371		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
2372	coro->prio = 0;	2480	coro->prio = 0;
2373		2481
2374	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2482	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2375	api_trace (aTHX_ coro_current, 0);	2483	api_trace (aTHX_ coro_current, 0);
2376		2484
2377	frame->prepare = prepare_schedule;	2485	frame->prepare = prepare_schedule;
2378	av_push (av_async_pool, SvREFCNT_inc (hv));	2486	av_push (av_async_pool, SvREFCNT_inc_NN (hv));
2379	}	2487	}
2380	}	2488	}
2381	else	2489	else
2382	{	2490	{
2383	/* first iteration, simply fall through */	2491	/* first iteration, simply fall through */
…		…
2397	coro_rouse_callback (pTHX_ CV *cv)	2505	coro_rouse_callback (pTHX_ CV *cv)
2398	{	2506	{
2399	dXSARGS;	2507	dXSARGS;
2400	SV data = (SV )S_GENSUB_ARG;	2508	SV data = (SV )S_GENSUB_ARG;
2401		2509
		2510	/* data starts being the coro, and is replaced by the results when done */
2402	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2511	if (SvTYPE (SvRV (data)) != SVt_PVAV)
2403	{	2512	{
2404	/* first call, set args */	2513	/* first call, set args */
2405	SV *coro = SvRV (data);	2514	SV *coro = SvRV (data);
2406	AV *av = newAV ();	2515	AV *av = newAV ();
…		…
2410	/* better take a full copy of the arguments */	2519	/* better take a full copy of the arguments */
2411	while (items--)	2520	while (items--)
2412	av_store (av, items, newSVsv (ST (items)));	2521	av_store (av, items, newSVsv (ST (items)));
2413		2522
2414	api_ready (aTHX_ coro);	2523	api_ready (aTHX_ coro);
2415	SvREFCNT_dec (coro);	2524	SvREFCNT_dec_NN (coro);
2416	}	2525	}
2417		2526
2418	XSRETURN_EMPTY;	2527	XSRETURN_EMPTY;
2419	}	2528	}
2420		2529
…		…
2489	struct coro *coro = SvSTATE_hv (hv);	2598	struct coro *coro = SvSTATE_hv (hv);
2490	SV data = newRV_inc ((SV )hv);	2599	SV data = newRV_inc ((SV )hv);
2491	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);	2600	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);
2492		2601
2493	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2602	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2494	SvREFCNT_dec (data); /* magicext increases the refcount */	2603	SvREFCNT_dec_NN (data); /* magicext increases the refcount */
2495		2604
2496	SvREFCNT_dec (coro->rouse_cb);	2605	SvREFCNT_dec (coro->rouse_cb);
2497	coro->rouse_cb = SvREFCNT_inc_NN (cb);	2606	coro->rouse_cb = SvREFCNT_inc_NN (cb);
2498		2607
2499	return cb;	2608	return cb;
…		…
2608	* Since by definition the SLF call will not finish when we destroy	2717	* Since by definition the SLF call will not finish when we destroy
2609	* the coro, we will have to force-finish it here, otherwise	2718	* the coro, we will have to force-finish it here, otherwise
2610	* cleanup functions cannot call SLF functions.	2719	* cleanup functions cannot call SLF functions.
2611	*/	2720	*/
2612	coro->slf_frame.prepare = 0;	2721	coro->slf_frame.prepare = 0;
2613	coro->slf_frame.destroy = 0;
2614		2722
2615	/* this callback is reserved for slf functions needing to do cleanup */	2723	/* this callback is reserved for slf functions needing to do cleanup */
2616	if (frame.destroy && frame.prepare && !PL_dirty)	2724	if (frame.destroy && frame.prepare && !PL_dirty)
2617	frame.destroy (aTHX_ &frame);	2725	frame.destroy (aTHX_ &frame);
2618	}	2726	}
…		…
2805	static void	2913	static void
2806	coro_pop_on_leave (pTHX_ void *coro)	2914	coro_pop_on_leave (pTHX_ void *coro)
2807	{	2915	{
2808	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2916	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2809	on_enterleave_call (aTHX_ sv_2mortal (cb));	2917	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2918	}
		2919
		2920	static void
		2921	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2922	{
		2923	if (!hook)
		2924	return;
		2925
		2926	if (!*avp)
		2927	{
		2928	*avp = newAV ();
		2929	AvREAL_off (*avp);
		2930	}
		2931
		2932	av_push (avp, (SV )hook);
		2933	av_push (avp, (SV )arg);
		2934	}
		2935
		2936	static void
		2937	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2938	{
		2939	AV av = avp;
		2940	int i;
		2941
		2942	if (!av)
		2943	return;
		2944
		2945	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2946	if (AvARRAY (av)[i] == (SV *)hook)
		2947	{
		2948	if (execute)
		2949	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2950
		2951	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2952	av_pop (av);
		2953	av_pop (av);
		2954	break;
		2955	}
		2956
		2957	if (AvFILLp (av) >= 0)
		2958	{
		2959	*avp = 0;
		2960	SvREFCNT_dec_NN (av);
		2961	}
		2962	}
		2963
		2964	static void
		2965	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2966	{
		2967	struct coro *coro = SvSTATE (coro_sv);
		2968
		2969	if (SvSTATE_current == coro)
		2970	if (enter)
		2971	enter (aTHX_ enter_arg);
		2972
		2973	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2974	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2975	}
		2976
		2977	static void
		2978	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2979	{
		2980	struct coro *coro = SvSTATE (coro_sv);
		2981
		2982	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2983	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2984	}
		2985
		2986	static void
		2987	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2988	{
		2989	struct coro *coro = SvSTATE_current;
		2990
		2991	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2992	}
		2993
		2994	static void
		2995	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2996	{
		2997	struct coro *coro = SvSTATE_current;
		2998
		2999	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		3000	}
		3001
		3002	static void
		3003	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		3004	{
		3005	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		3006
		3007	/* this ought to be much cheaper than malloc + a single destructor call */
		3008	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		3009	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2810	}	3010	}
2811		3011
2812	/*****************************************************************************/	3012	/*****************************************************************************/
2813	/* PerlIO::cede */	3013	/* PerlIO::cede */
2814		3014
…		…
2944	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3144	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2945	PUTBACK;	3145	PUTBACK;
2946	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3146	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2947	}	3147	}
2948		3148
2949	SvREFCNT_dec (cb);	3149	SvREFCNT_dec_NN (cb);
2950	}	3150	}
2951	}	3151	}
2952		3152
2953	static void	3153	static void
2954	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3154	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2962	{	3162	{
2963	AV av = (AV )frame->data;	3163	AV av = (AV )frame->data;
2964	SV *count_sv = AvARRAY (av)[0];	3164	SV *count_sv = AvARRAY (av)[0];
2965	SV *coro_hv = SvRV (coro_current);	3165	SV *coro_hv = SvRV (coro_current);
2966		3166
		3167	frame->destroy = 0;
		3168
2967	/* if we are about to throw, don't actually acquire the lock, just throw */	3169	/* if we are about to throw, don't actually acquire the lock, just throw */
2968	if (CORO_THROW)	3170	if (ecb_expect_false (CORO_THROW))
		3171	{
		3172	/* we still might be responsible for the semaphore, so wake up others */
		3173	coro_semaphore_adjust (aTHX_ av, 0);
		3174
2969	return 0;	3175	return 0;
		3176	}
2970	else if (SvIVX (count_sv) > 0)	3177	else if (SvIVX (count_sv) > 0)
2971	{	3178	{
2972	frame->destroy = 0;
2973
2974	if (acquire)	3179	if (acquire)
2975	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3180	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2976	else	3181	else
2977	coro_semaphore_adjust (aTHX_ av, 0);	3182	coro_semaphore_adjust (aTHX_ av, 0);
2978		3183
…		…
3089	{	3294	{
3090	api_ready (aTHX_ cb);	3295	api_ready (aTHX_ cb);
3091	sv_setiv (cb, 0); /* signal waiter */	3296	sv_setiv (cb, 0); /* signal waiter */
3092	}	3297	}
3093		3298
3094	SvREFCNT_dec (cb);	3299	SvREFCNT_dec_NN (cb);
3095		3300
3096	--count;	3301	--count;
3097	}	3302	}
3098	}	3303	}
3099		3304
…		…
3184	}	3389	}
3185		3390
3186	av_push (state, data_sv);	3391	av_push (state, data_sv);
3187		3392
3188	api_ready (aTHX_ coro);	3393	api_ready (aTHX_ coro);
3189	SvREFCNT_dec (coro);	3394	SvREFCNT_dec_NN (coro);
3190	SvREFCNT_dec ((AV *)state);	3395	SvREFCNT_dec_NN ((AV *)state);
3191	}	3396	}
3192		3397
3193	static int	3398	static int
3194	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3399	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3195	{	3400	{
…		…
3213	errno = data->errorno;	3418	errno = data->errorno;
3214	PL_laststype = data->laststype;	3419	PL_laststype = data->laststype;
3215	PL_laststatval = data->laststatval;	3420	PL_laststatval = data->laststatval;
3216	PL_statcache = data->statcache;	3421	PL_statcache = data->statcache;
3217		3422
3218	SvREFCNT_dec (data_sv);	3423	SvREFCNT_dec_NN (data_sv);
3219	}	3424	}
3220		3425
3221	/* push result values */	3426	/* push result values */
3222	{	3427	{
3223	dSP;	3428	dSP;
…		…
3412		3617
3413	map_len = load_len + save_len + 16;	3618	map_len = load_len + save_len + 16;
3414		3619
3415	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3620	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3416		3621
		3622	if (map_base == (char *)MAP_FAILED)
		3623	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3624
3417	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3625	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3418		3626
3419	load_perl_slots = (load_save_perl_slots_type)map_base;	3627	load_perl_slots = (load_save_perl_slots_type)map_base;
3420	memcpy (map_base, load_ptr, load_len);	3628	memcpy (map_base, load_ptr, load_len);
3421		3629
…		…
3438		3646
3439	PROTOTYPES: DISABLE	3647	PROTOTYPES: DISABLE
3440		3648
3441	BOOT:	3649	BOOT:
3442	{	3650	{
		3651	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3652	#include "state.h"
3443	#ifdef USE_ITHREADS	3653	#ifdef USE_ITHREADS
3444	# if CORO_PTHREAD	3654	# if CORO_PTHREAD
3445	coro_thx = PERL_GET_CONTEXT;	3655	coro_thx = PERL_GET_CONTEXT;
3446	# endif	3656	# endif
3447	#endif	3657	#endif
…		…
3455	cctx_current = cctx_new_empty ();	3665	cctx_current = cctx_new_empty ();
3456		3666
3457	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3667	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3458	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3668	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3459		3669
3460	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3670	{
3461	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3671	/*
3462	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3672	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3673	* by coro_sig_vtbl in hash values.
		3674	*/
		3675	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3676
		3677	/* this only works if perl doesn't have a vtbl for %SIG */
		3678	assert (!mg->mg_virtual);
		3679
		3680	/*
		3681	* The irony is that the perl API itself asserts that mg_virtual
		3682	* must be non-const, yet perl5porters insisted on marking their
		3683	* vtbls as read-only, just to thwart perl modules from patching
		3684	* them.
		3685	*/
		3686	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3687	mg->mg_flags \|= MGf_COPY;
		3688
		3689	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3690	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3691	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3692	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3693	}
3463		3694
3464	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3465	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3695	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3466	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3696	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3467		3697
3468	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3698	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		3699
		3700	newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */
3469		3701
3470	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	3702	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
3471	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	3703	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
3472	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	3704	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
3473	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	3705	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
…		…
3598	call (Coro::State coro, SV *coderef)	3830	call (Coro::State coro, SV *coderef)
3599	ALIAS:	3831	ALIAS:
3600	eval = 1	3832	eval = 1
3601	CODE:	3833	CODE:
3602	{	3834	{
		3835	struct coro *current = SvSTATE_current;
		3836
3603	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3837	if ((coro == current) \|\| (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot)))
3604	{	3838	{
3605	struct coro *current = SvSTATE_current;
3606	struct CoroSLF slf_save;	3839	struct CoroSLF slf_save;
3607		3840
3608	if (current != coro)	3841	if (current != coro)
3609	{	3842	{
3610	PUTBACK;	3843	PUTBACK;
…		…
3775	if (ecb_expect_false (current == self))	4008	if (ecb_expect_false (current == self))
3776	coro_times_sub (SvSTATE (coro_current));	4009	coro_times_sub (SvSTATE (coro_current));
3777	}	4010	}
3778		4011
3779	void	4012	void
3780	swap_sv (Coro::State coro, SV sv, SV swapsv)	4013	swap_sv (Coro::State coro, SV sva, SV svb)
3781	CODE:	4014	CODE:
3782	{	4015	{
3783	struct coro *current = SvSTATE_current;	4016	struct coro *current = SvSTATE_current;
		4017	AV *swap_sv;
		4018	int i;
		4019
		4020	sva = SvRV (sva);
		4021	svb = SvRV (svb);
3784		4022
3785	if (current == coro)	4023	if (current == coro)
3786	SWAP_SVS (current);	4024	SWAP_SVS_LEAVE (current);
3787		4025
3788	if (!coro->swap_sv)	4026	if (!coro->swap_sv)
3789	coro->swap_sv = newAV ();	4027	coro->swap_sv = newAV ();
3790		4028
		4029	swap_sv = coro->swap_sv;
		4030
		4031	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4032	{
		4033	SV *a = AvARRAY (swap_sv)[i ];
		4034	SV *b = AvARRAY (swap_sv)[i + 1];
		4035
		4036	if (a == sva && b == svb)
		4037	{
		4038	SvREFCNT_dec_NN (a);
		4039	SvREFCNT_dec_NN (b);
		4040
		4041	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4042	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4043
		4044	AvFILLp (swap_sv) -= 2;
		4045
		4046	goto removed;
		4047	}
		4048	}
		4049
3791	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4050	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3792	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4051	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4052
		4053	removed:
3793		4054
3794	if (current == coro)	4055	if (current == coro)
3795	SWAP_SVS (current);	4056	SWAP_SVS_ENTER (current);
3796	}	4057	}
3797		4058
3798		4059
3799	MODULE = Coro::State PACKAGE = Coro	4060	MODULE = Coro::State PACKAGE = Coro
3800		4061
3801	BOOT:	4062	BOOT:
3802	{	4063	{
		4064	if (SVt_LAST > 32)
		4065	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4066
3803	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4067	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3804	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4068	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3805	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4069	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3806	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4070	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3807	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4071	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3833	coroapi.ready = api_ready;	4097	coroapi.ready = api_ready;
3834	coroapi.is_ready = api_is_ready;	4098	coroapi.is_ready = api_is_ready;
3835	coroapi.nready = coro_nready;	4099	coroapi.nready = coro_nready;
3836	coroapi.current = coro_current;	4100	coroapi.current = coro_current;
3837		4101
		4102	coroapi.enterleave_hook = api_enterleave_hook;
		4103	coroapi.enterleave_unhook = api_enterleave_unhook;
		4104	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4105
3838	/GCoroAPI = &coroapi;/	4106	/GCoroAPI = &coroapi;/
3839	sv_setiv (sv, (IV)&coroapi);	4107	sv_setiv (sv, PTR2IV (&coroapi));
3840	SvREADONLY_on (sv);	4108	SvREADONLY_on (sv);
3841	}	4109	}
3842	}	4110	}
3843		4111
3844	SV *	4112	SV *
…		…
3907		4175
3908	void	4176	void
3909	_set_current (SV *current)	4177	_set_current (SV *current)
3910	PROTOTYPE: $	4178	PROTOTYPE: $
3911	CODE:	4179	CODE:
3912	SvREFCNT_dec (SvRV (coro_current));	4180	SvREFCNT_dec_NN (SvRV (coro_current));
3913	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4181	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3914		4182
3915	void	4183	void
3916	_set_readyhook (SV *hook)	4184	_set_readyhook (SV *hook)
3917	PROTOTYPE: $	4185	PROTOTYPE: $
…		…
4001		4269
4002	if ((SV *)hv == &PL_sv_undef)	4270	if ((SV *)hv == &PL_sv_undef)
4003	{	4271	{
4004	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4272	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
4005	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4273	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4006	SvREFCNT_dec (sv);	4274	SvREFCNT_dec_NN (sv);
4007	}	4275	}
4008		4276
4009	{	4277	{
4010	struct coro *coro = SvSTATE_hv (hv);	4278	struct coro *coro = SvSTATE_hv (hv);
4011		4279
…		…
4018	api_ready (aTHX_ (SV *)hv);	4286	api_ready (aTHX_ (SV *)hv);
4019		4287
4020	if (GIMME_V != G_VOID)	4288	if (GIMME_V != G_VOID)
4021	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4289	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4022	else	4290	else
4023	SvREFCNT_dec (hv);	4291	SvREFCNT_dec_NN (hv);
4024	}	4292	}
4025		4293
4026	SV *	4294	SV *
4027	rouse_cb ()	4295	rouse_cb ()
4028	PROTOTYPE:	4296	PROTOTYPE:
…		…
4107	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4375	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4108	OUTPUT:	4376	OUTPUT:
4109	RETVAL	4377	RETVAL
4110		4378
4111	void	4379	void
4112	up (SV *self, int adjust = 1)	4380	up (SV *self)
4113	ALIAS:
4114	adjust = 1
4115	CODE:	4381	CODE:
		4382	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4383
		4384	void
		4385	adjust (SV *self, int adjust)
		4386	CODE:
4116	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4387	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4117		4388
4118	void	4389	void
4119	down (...)	4390	down (...)
4120	CODE:	4391	CODE:
4121	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4392	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);

Diff Legend

-–
+Removed lines
-+
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+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.441 by root, Tue Mar 4 05:07:44 2014 UTC vs. Revision 1.477 by root, Sat Feb 29 21:40:22 2020 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.441 by root, Tue Mar 4 05:07:44 2014 UTC vs.
Revision 1.477 by root, Sat Feb 29 21:40:22 2020 UTC