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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.446 by root, Wed Sep 3 14:26:34 2014 UTC vs.
Revision 1.478 by root, Mon Mar 16 11:12:52 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 */
…		…
232	int usecount; /* number of transfers to this coro */	283	int usecount; /* number of transfers to this coro */
233		284
234	/* coro process data */	285	/* coro process data */
235	int prio;	286	int prio;
236	SV except; / exception to be thrown */	287	SV except; / exception to be thrown */
237	SV rouse_cb; / last rouse callback */	288	SV rouse_cb; / most recently created rouse callback */
238	AV on_destroy; / callbacks or coros to notify on destroy */	289	AV on_destroy; / callbacks or coros to notify on destroy */
239	AV status; / the exit status list */	290	AV status; / the exit status list */
240		291
241	/* async_pool */	292	/* async_pool */
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)
…		…
1155	myop.op_next = Nullop;	1242	myop.op_next = Nullop;
1156	myop.op_type = OP_ENTERSUB;	1243	myop.op_type = OP_ENTERSUB;
1157	myop.op_flags = OPf_WANT_VOID;	1244	myop.op_flags = OPf_WANT_VOID;
1158		1245
1159	PUSHMARK (SP);	1246	PUSHMARK (SP);
1160	PUSHs ((SV *)coro->startcv);	1247	XPUSHs ((SV *)coro->startcv);
1161	PUTBACK;	1248	PUTBACK;
1162	PL_op = (OP *)&myop;	1249	PL_op = (OP *)&myop;
1163	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1250	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1164	}	1251	}
1165		1252
…		…
1179	PL_op = (OP *)&init_perl_op;	1266	PL_op = (OP *)&init_perl_op;
1180		1267
1181	/* copy throw, in case it was set before init_perl */	1268	/* copy throw, in case it was set before init_perl */
1182	CORO_THROW = coro->except;	1269	CORO_THROW = coro->except;
1183		1270
1184	SWAP_SVS (coro);	1271	SWAP_SVS_ENTER (coro);
1185		1272
1186	if (ecb_expect_false (enable_times))	1273	if (ecb_expect_false (enable_times))
1187	{	1274	{
1188	coro_times_update ();	1275	coro_times_update ();
1189	coro_times_sub (coro);	1276	coro_times_sub (coro);
…		…
1227	/* this will cause transfer_check to croak on block*/	1314	/* this will cause transfer_check to croak on block*/
1228	SvRV_set (coro_current, (SV *)coro->hv);	1315	SvRV_set (coro_current, (SV *)coro->hv);
1229		1316
1230	load_perl (aTHX_ coro);	1317	load_perl (aTHX_ coro);
1231		1318
		1319	/* restore swapped sv's */
		1320	SWAP_SVS_LEAVE (coro);
		1321
1232	coro_unwind_stacks (aTHX);	1322	coro_unwind_stacks (aTHX);
1233
1234	/* restore swapped sv's */
1235	SWAP_SVS (coro);
1236		1323
1237	coro_destruct_stacks (aTHX);	1324	coro_destruct_stacks (aTHX);
1238		1325
1239	/* now save some sv's to be free'd later */	1326	/* now save some sv's to be free'd later */
1240	svf [0] = GvSV (PL_defgv);	1327	svf [0] = GvSV (PL_defgv);
…		…
1261		1348
1262	SvREFCNT_dec (coro->saved_deffh);	1349	SvREFCNT_dec (coro->saved_deffh);
1263	SvREFCNT_dec (coro->rouse_cb);	1350	SvREFCNT_dec (coro->rouse_cb);
1264	SvREFCNT_dec (coro->invoke_cb);	1351	SvREFCNT_dec (coro->invoke_cb);
1265	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);
1266	}	1355	}
1267	}	1356	}
1268		1357
1269	ecb_inline void	1358	ecb_inline void
1270	free_coro_mortal (pTHX)	1359	free_coro_mortal (pTHX)
…		…
1311	av_push (av, SvREFCNT_inc_NN (*bot++));	1400	av_push (av, SvREFCNT_inc_NN (*bot++));
1312		1401
1313	PL_runops = RUNOPS_DEFAULT;	1402	PL_runops = RUNOPS_DEFAULT;
1314	ENTER;	1403	ENTER;
1315	SAVETMPS;	1404	SAVETMPS;
		1405	PUSHMARK (SP);
1316	EXTEND (SP, 3);	1406	EXTEND (SP, 3);
1317	PUSHMARK (SP);
1318	PUSHs (&PL_sv_no);	1407	PUSHs (&PL_sv_no);
1319	PUSHs (fullname);	1408	PUSHs (fullname);
1320	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	1409	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
1321	PUTBACK;	1410	PUTBACK;
1322	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);
…		…
1333		1422
1334	if (PL_curcop != &PL_compiling)	1423	if (PL_curcop != &PL_compiling)
1335	{	1424	{
1336	SV **cb;	1425	SV **cb;
1337		1426
1338	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1427	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1339	{	1428	{
1340	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1429	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1341		1430
1342	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1431	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1343	{	1432	{
…		…
1349	gv_efullname3 (fullname, gv, 0);	1438	gv_efullname3 (fullname, gv, 0);
1350		1439
1351	PL_runops = RUNOPS_DEFAULT;	1440	PL_runops = RUNOPS_DEFAULT;
1352	ENTER;	1441	ENTER;
1353	SAVETMPS;	1442	SAVETMPS;
		1443	PUSHMARK (SP);
1354	EXTEND (SP, 3);	1444	EXTEND (SP, 3);
1355	PUSHMARK (SP);
1356	PUSHs (&PL_sv_yes);	1445	PUSHs (&PL_sv_yes);
1357	PUSHs (fullname);	1446	PUSHs (fullname);
1358	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);
1359	PUTBACK;	1448	PUTBACK;
1360	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);
1361	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);
1362	SPAGAIN;	1451	SPAGAIN;
1363	FREETMPS;	1452	FREETMPS;
…		…
1373	dSP;	1462	dSP;
1374		1463
1375	PL_runops = RUNOPS_DEFAULT;	1464	PL_runops = RUNOPS_DEFAULT;
1376	ENTER;	1465	ENTER;
1377	SAVETMPS;	1466	SAVETMPS;
1378	EXTEND (SP, 3);
1379	PL_runops = RUNOPS_DEFAULT;
1380	PUSHMARK (SP);	1467	PUSHMARK (SP);
		1468	EXTEND (SP, 2);
1381	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	1469	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
1382	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	1470	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
1383	PUTBACK;	1471	PUTBACK;
1384	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);
1385	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);
…		…
1485	* 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
1486	* 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.
1487	*/	1575	*/
1488		1576
1489	/*	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	/*
1490	* 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
1491	* 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)
1492	* 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
1493	* doing in that case. YMMV.	1588	* doing in that case. YMMV.
1494	*/	1589	*/
…		…
1764		1859
1765	static int ecb_cold	1860	static int ecb_cold
1766	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)	1861	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)
1767	{	1862	{
1768	/* 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) */
1769	/* 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 */
1770	mg->mg_ptr = 0;	1865	mg->mg_ptr = 0;
1771	mg->mg_virtual = 0;	1866	mg->mg_virtual = 0;
1772		1867
1773	return 0;	1868	return 0;
1774	}	1869	}
…		…
1930		2025
1931	ENTER;	2026	ENTER;
1932	SAVETMPS;	2027	SAVETMPS;
1933		2028
1934	PUSHMARK (SP);	2029	PUSHMARK (SP);
1935	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)));
1936	PUTBACK;	2031	PUTBACK;
1937	call_pv ("Carp::confess", G_VOID \| G_DISCARD);	2032	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
1938		2033
1939	FREETMPS;	2034	FREETMPS;
1940	LEAVE;	2035	LEAVE;
…		…
2296	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)	2391	safe_cancel (pTHX_ struct coro coro, SV *arg, int items)
2297	{	2392	{
2298	if (coro->cctx)	2393	if (coro->cctx)
2299	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");
2300		2395
2301	if (coro->flags & CF_NEW)	2396	if (coro->flags & (CF_NEW \| CF_ZOMBIE))
2302	{	2397	{
2303	coro_set_status (aTHX_ coro, arg, items);	2398	coro_set_status (aTHX_ coro, arg, items);
2304	coro_state_destroy (aTHX_ coro);	2399	coro_state_destroy (aTHX_ coro);
2305	}	2400	}
2306	else	2401	else
…		…
2373	else	2468	else
2374	{	2469	{
2375	av_clear (GvAV (PL_defgv));	2470	av_clear (GvAV (PL_defgv));
2376	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);
2377		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
2378	coro->prio = 0;	2480	coro->prio = 0;
2379		2481
2380	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2482	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2381	api_trace (aTHX_ coro_current, 0);	2483	api_trace (aTHX_ coro_current, 0);
2382		2484
2383	frame->prepare = prepare_schedule;	2485	frame->prepare = prepare_schedule;
2384	av_push (av_async_pool, SvREFCNT_inc (hv));	2486	av_push (av_async_pool, SvREFCNT_inc_NN (hv));
2385	}	2487	}
2386	}	2488	}
2387	else	2489	else
2388	{	2490	{
2389	/* first iteration, simply fall through */	2491	/* first iteration, simply fall through */
…		…
2402	static void	2504	static void
2403	coro_rouse_callback (pTHX_ CV *cv)	2505	coro_rouse_callback (pTHX_ CV *cv)
2404	{	2506	{
2405	dXSARGS;	2507	dXSARGS;
2406	SV data = (SV )S_GENSUB_ARG;	2508	SV data = (SV )S_GENSUB_ARG;
		2509	SV *coro = SvRV (data);
2407		2510
		2511	/* data starts being either undef or a coro, and is replaced by the results when done */
2408	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2512	if (SvTYPE (coro) != SVt_PVAV)
2409	{	2513	{
2410	/* first call, set args */	2514	/* first call, set args */
2411	SV *coro = SvRV (data);
2412	AV *av = newAV ();
2413		2515
2414	SvRV_set (data, (SV *)av);	2516	assert (&ST (0) < &ST (1)); /* ensure the stack is in the order we expect it to be */
		2517	SvRV_set (data, (SV )av_make (items, &ST (0))); / av_make copies the SVs */
2415		2518
2416	/* better take a full copy of the arguments */	2519	if (coro != &PL_sv_undef)
2417	while (items--)	2520	{
2418	av_store (av, items, newSVsv (ST (items)));
2419
2420	api_ready (aTHX_ coro);	2521	api_ready (aTHX_ coro);
2421	SvREFCNT_dec (coro);	2522	SvREFCNT_dec_NN (coro);
		2523	}
2422	}	2524	}
2423		2525
2424	XSRETURN_EMPTY;	2526	XSRETURN_EMPTY;
2425	}	2527	}
2426		2528
…		…
2443		2545
2444	EXTEND (SP, AvFILLp (av) + 1);	2546	EXTEND (SP, AvFILLp (av) + 1);
2445	for (i = 0; i <= AvFILLp (av); ++i)	2547	for (i = 0; i <= AvFILLp (av); ++i)
2446	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2548	PUSHs (sv_2mortal (AvARRAY (av)[i]));
2447		2549
2448	/* we have stolen the elements, so set length to zero and free */	2550	/* we have stolen the elements, make it unreal and free */
2449	AvFILLp (av) = -1;	2551	AvREAL_off (av);
2450	av_undef (av);	2552	av_undef (av);
2451		2553
2452	PUTBACK;	2554	PUTBACK;
2453	}	2555	}
2454		2556
…		…
2479	croak ("Coro::rouse_wait called with illegal callback argument,");	2581	croak ("Coro::rouse_wait called with illegal callback argument,");
2480		2582
2481	{	2583	{
2482	CV cv = (CV )SvRV (cb); /* for S_GENSUB_ARG */	2584	CV cv = (CV )SvRV (cb); /* for S_GENSUB_ARG */
2483	SV data = (SV )S_GENSUB_ARG;	2585	SV data = (SV )S_GENSUB_ARG;
		2586	int data_ready = SvTYPE (SvRV (data)) == SVt_PVAV;
		2587
		2588	/* if there is no data, we need to store the current coro in the reference so we can be woken up */
		2589	if (!data_ready)
		2590	if (SvRV (data) != &PL_sv_undef)
		2591	croak ("Coro::rouse_wait was called on a calback that is already being waited for - only one thread can wait for a rouse callback, caught");
		2592	else
		2593	SvRV_set (data, SvREFCNT_inc_NN (SvRV (coro_current)));
2484		2594
2485	frame->data = (void *)data;	2595	frame->data = (void *)data;
2486	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2596	frame->prepare = data_ready ? prepare_nop : prepare_schedule;
2487	frame->check = slf_check_rouse_wait;	2597	frame->check = slf_check_rouse_wait;
2488	}	2598	}
2489	}	2599	}
2490		2600
2491	static SV *	2601	static SV *
2492	coro_new_rouse_cb (pTHX)	2602	coro_new_rouse_cb (pTHX)
2493	{	2603	{
2494	HV hv = (HV )SvRV (coro_current);	2604	HV hv = (HV )SvRV (coro_current);
2495	struct coro *coro = SvSTATE_hv (hv);	2605	struct coro *coro = SvSTATE_hv (hv);
2496	SV data = newRV_inc ((SV )hv);	2606	SV *data = newRV_noinc (&PL_sv_undef);
2497	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);	2607	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);
2498		2608
2499	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2609	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2500	SvREFCNT_dec (data); /* magicext increases the refcount */	2610	SvREFCNT_dec_NN (data); /* magicext increases the refcount */
2501		2611
2502	SvREFCNT_dec (coro->rouse_cb);	2612	SvREFCNT_dec (coro->rouse_cb);
2503	coro->rouse_cb = SvREFCNT_inc_NN (cb);	2613	coro->rouse_cb = SvREFCNT_inc_NN (cb);
2504		2614
2505	return cb;	2615	return cb;
…		…
2810	static void	2920	static void
2811	coro_pop_on_leave (pTHX_ void *coro)	2921	coro_pop_on_leave (pTHX_ void *coro)
2812	{	2922	{
2813	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2923	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2814	on_enterleave_call (aTHX_ sv_2mortal (cb));	2924	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2925	}
		2926
		2927	static void
		2928	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2929	{
		2930	if (!hook)
		2931	return;
		2932
		2933	if (!*avp)
		2934	{
		2935	*avp = newAV ();
		2936	AvREAL_off (*avp);
		2937	}
		2938
		2939	av_push (avp, (SV )hook);
		2940	av_push (avp, (SV )arg);
		2941	}
		2942
		2943	static void
		2944	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2945	{
		2946	AV av = avp;
		2947	int i;
		2948
		2949	if (!av)
		2950	return;
		2951
		2952	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2953	if (AvARRAY (av)[i] == (SV *)hook)
		2954	{
		2955	if (execute)
		2956	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2957
		2958	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2959	av_pop (av);
		2960	av_pop (av);
		2961	break;
		2962	}
		2963
		2964	if (AvFILLp (av) >= 0)
		2965	{
		2966	*avp = 0;
		2967	SvREFCNT_dec_NN (av);
		2968	}
		2969	}
		2970
		2971	static void
		2972	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2973	{
		2974	struct coro *coro = SvSTATE (coro_sv);
		2975
		2976	if (SvSTATE_current == coro)
		2977	if (enter)
		2978	enter (aTHX_ enter_arg);
		2979
		2980	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2981	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2982	}
		2983
		2984	static void
		2985	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2986	{
		2987	struct coro *coro = SvSTATE (coro_sv);
		2988
		2989	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2990	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2991	}
		2992
		2993	static void
		2994	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2995	{
		2996	struct coro *coro = SvSTATE_current;
		2997
		2998	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2999	}
		3000
		3001	static void
		3002	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		3003	{
		3004	struct coro *coro = SvSTATE_current;
		3005
		3006	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		3007	}
		3008
		3009	static void
		3010	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		3011	{
		3012	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		3013
		3014	/* this ought to be much cheaper than malloc + a single destructor call */
		3015	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		3016	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2815	}	3017	}
2816		3018
2817	/*****************************************************************************/	3019	/*****************************************************************************/
2818	/* PerlIO::cede */	3020	/* PerlIO::cede */
2819		3021
…		…
2949	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3151	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2950	PUTBACK;	3152	PUTBACK;
2951	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3153	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2952	}	3154	}
2953		3155
2954	SvREFCNT_dec (cb);	3156	SvREFCNT_dec_NN (cb);
2955	}	3157	}
2956	}	3158	}
2957		3159
2958	static void	3160	static void
2959	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3161	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
3099	{	3301	{
3100	api_ready (aTHX_ cb);	3302	api_ready (aTHX_ cb);
3101	sv_setiv (cb, 0); /* signal waiter */	3303	sv_setiv (cb, 0); /* signal waiter */
3102	}	3304	}
3103		3305
3104	SvREFCNT_dec (cb);	3306	SvREFCNT_dec_NN (cb);
3105		3307
3106	--count;	3308	--count;
3107	}	3309	}
3108	}	3310	}
3109		3311
…		…
3194	}	3396	}
3195		3397
3196	av_push (state, data_sv);	3398	av_push (state, data_sv);
3197		3399
3198	api_ready (aTHX_ coro);	3400	api_ready (aTHX_ coro);
3199	SvREFCNT_dec (coro);	3401	SvREFCNT_dec_NN (coro);
3200	SvREFCNT_dec ((AV *)state);	3402	SvREFCNT_dec_NN ((AV *)state);
3201	}	3403	}
3202		3404
3203	static int	3405	static int
3204	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3406	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3205	{	3407	{
…		…
3223	errno = data->errorno;	3425	errno = data->errorno;
3224	PL_laststype = data->laststype;	3426	PL_laststype = data->laststype;
3225	PL_laststatval = data->laststatval;	3427	PL_laststatval = data->laststatval;
3226	PL_statcache = data->statcache;	3428	PL_statcache = data->statcache;
3227		3429
3228	SvREFCNT_dec (data_sv);	3430	SvREFCNT_dec_NN (data_sv);
3229	}	3431	}
3230		3432
3231	/* push result values */	3433	/* push result values */
3232	{	3434	{
3233	dSP;	3435	dSP;
…		…
3422		3624
3423	map_len = load_len + save_len + 16;	3625	map_len = load_len + save_len + 16;
3424		3626
3425	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3627	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3426		3628
		3629	if (map_base == (char *)MAP_FAILED)
		3630	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3631
3427	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3632	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3428		3633
3429	load_perl_slots = (load_save_perl_slots_type)map_base;	3634	load_perl_slots = (load_save_perl_slots_type)map_base;
3430	memcpy (map_base, load_ptr, load_len);	3635	memcpy (map_base, load_ptr, load_len);
3431		3636
…		…
3467	cctx_current = cctx_new_empty ();	3672	cctx_current = cctx_new_empty ();
3468		3673
3469	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3674	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3470	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3675	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3471		3676
3472	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3677	{
3473	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3678	/*
3474	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3679	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3680	* by coro_sig_vtbl in hash values.
		3681	*/
		3682	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3683
		3684	/* this only works if perl doesn't have a vtbl for %SIG */
		3685	assert (!mg->mg_virtual);
		3686
		3687	/*
		3688	* The irony is that the perl API itself asserts that mg_virtual
		3689	* must be non-const, yet perl5porters insisted on marking their
		3690	* vtbls as read-only, just to thwart perl modules from patching
		3691	* them.
		3692	*/
		3693	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3694	mg->mg_flags \|= MGf_COPY;
		3695
		3696	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3697	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3698	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3699	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3700	}
3475		3701
3476	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3477	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3702	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3478	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3703	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3479		3704
3480	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3705	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		3706
		3707	newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */
3481		3708
3482	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	3709	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
3483	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	3710	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
3484	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	3711	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
3485	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	3712	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
…		…
3610	call (Coro::State coro, SV *coderef)	3837	call (Coro::State coro, SV *coderef)
3611	ALIAS:	3838	ALIAS:
3612	eval = 1	3839	eval = 1
3613	CODE:	3840	CODE:
3614	{	3841	{
		3842	struct coro *current = SvSTATE_current;
		3843
3615	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3844	if ((coro == current) \|\| (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot)))
3616	{	3845	{
3617	struct coro *current = SvSTATE_current;
3618	struct CoroSLF slf_save;	3846	struct CoroSLF slf_save;
3619		3847
3620	if (current != coro)	3848	if (current != coro)
3621	{	3849	{
3622	PUTBACK;	3850	PUTBACK;
…		…
3787	if (ecb_expect_false (current == self))	4015	if (ecb_expect_false (current == self))
3788	coro_times_sub (SvSTATE (coro_current));	4016	coro_times_sub (SvSTATE (coro_current));
3789	}	4017	}
3790		4018
3791	void	4019	void
3792	swap_sv (Coro::State coro, SV sv, SV swapsv)	4020	swap_sv (Coro::State coro, SV sva, SV svb)
3793	CODE:	4021	CODE:
3794	{	4022	{
3795	struct coro *current = SvSTATE_current;	4023	struct coro *current = SvSTATE_current;
		4024	AV *swap_sv;
		4025	int i;
		4026
		4027	sva = SvRV (sva);
		4028	svb = SvRV (svb);
3796		4029
3797	if (current == coro)	4030	if (current == coro)
3798	SWAP_SVS (current);	4031	SWAP_SVS_LEAVE (current);
3799		4032
3800	if (!coro->swap_sv)	4033	if (!coro->swap_sv)
3801	coro->swap_sv = newAV ();	4034	coro->swap_sv = newAV ();
3802		4035
		4036	swap_sv = coro->swap_sv;
		4037
		4038	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4039	{
		4040	SV *a = AvARRAY (swap_sv)[i ];
		4041	SV *b = AvARRAY (swap_sv)[i + 1];
		4042
		4043	if (a == sva && b == svb)
		4044	{
		4045	SvREFCNT_dec_NN (a);
		4046	SvREFCNT_dec_NN (b);
		4047
		4048	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4049	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4050
		4051	AvFILLp (swap_sv) -= 2;
		4052
		4053	goto removed;
		4054	}
		4055	}
		4056
3803	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4057	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3804	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4058	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4059
		4060	removed:
3805		4061
3806	if (current == coro)	4062	if (current == coro)
3807	SWAP_SVS (current);	4063	SWAP_SVS_ENTER (current);
3808	}	4064	}
3809		4065
3810		4066
3811	MODULE = Coro::State PACKAGE = Coro	4067	MODULE = Coro::State PACKAGE = Coro
3812		4068
3813	BOOT:	4069	BOOT:
3814	{	4070	{
		4071	if (SVt_LAST > 32)
		4072	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4073
3815	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4074	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3816	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4075	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3817	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4076	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3818	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4077	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3819	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4078	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3845	coroapi.ready = api_ready;	4104	coroapi.ready = api_ready;
3846	coroapi.is_ready = api_is_ready;	4105	coroapi.is_ready = api_is_ready;
3847	coroapi.nready = coro_nready;	4106	coroapi.nready = coro_nready;
3848	coroapi.current = coro_current;	4107	coroapi.current = coro_current;
3849		4108
		4109	coroapi.enterleave_hook = api_enterleave_hook;
		4110	coroapi.enterleave_unhook = api_enterleave_unhook;
		4111	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4112
3850	/GCoroAPI = &coroapi;/	4113	/GCoroAPI = &coroapi;/
3851	sv_setiv (sv, (IV)&coroapi);	4114	sv_setiv (sv, PTR2IV (&coroapi));
3852	SvREADONLY_on (sv);	4115	SvREADONLY_on (sv);
3853	}	4116	}
3854	}	4117	}
3855		4118
3856	SV *	4119	SV *
…		…
3919		4182
3920	void	4183	void
3921	_set_current (SV *current)	4184	_set_current (SV *current)
3922	PROTOTYPE: $	4185	PROTOTYPE: $
3923	CODE:	4186	CODE:
3924	SvREFCNT_dec (SvRV (coro_current));	4187	SvREFCNT_dec_NN (SvRV (coro_current));
3925	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4188	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3926		4189
3927	void	4190	void
3928	_set_readyhook (SV *hook)	4191	_set_readyhook (SV *hook)
3929	PROTOTYPE: $	4192	PROTOTYPE: $
…		…
4013		4276
4014	if ((SV *)hv == &PL_sv_undef)	4277	if ((SV *)hv == &PL_sv_undef)
4015	{	4278	{
4016	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4279	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
4017	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4280	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4018	SvREFCNT_dec (sv);	4281	SvREFCNT_dec_NN (sv);
4019	}	4282	}
4020		4283
4021	{	4284	{
4022	struct coro *coro = SvSTATE_hv (hv);	4285	struct coro *coro = SvSTATE_hv (hv);
4023		4286
…		…
4030	api_ready (aTHX_ (SV *)hv);	4293	api_ready (aTHX_ (SV *)hv);
4031		4294
4032	if (GIMME_V != G_VOID)	4295	if (GIMME_V != G_VOID)
4033	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4296	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4034	else	4297	else
4035	SvREFCNT_dec (hv);	4298	SvREFCNT_dec_NN (hv);
4036	}	4299	}
4037		4300
4038	SV *	4301	SV *
4039	rouse_cb ()	4302	rouse_cb ()
4040	PROTOTYPE:	4303	PROTOTYPE:
…		…
4119	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4382	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4120	OUTPUT:	4383	OUTPUT:
4121	RETVAL	4384	RETVAL
4122		4385
4123	void	4386	void
4124	up (SV *self, int adjust = 1)	4387	up (SV *self)
4125	ALIAS:
4126	adjust = 1
4127	CODE:	4388	CODE:
		4389	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4390
		4391	void
		4392	adjust (SV *self, int adjust)
		4393	CODE:
4128	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4394	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4129		4395
4130	void	4396	void
4131	down (...)	4397	down (...)
4132	CODE:	4398	CODE:
4133	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4399	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 1.446 by root, Wed Sep 3 14:26:34 2014 UTC vs. Revision 1.478 by root, Mon Mar 16 11:12:52 2020 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.446 by root, Wed Sep 3 14:26:34 2014 UTC vs.
Revision 1.478 by root, Mon Mar 16 11:12:52 2020 UTC