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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.426 by root, Wed Dec 5 00:19:57 2012 UTC vs.
Revision 1.465 by root, Sat Jun 25 19:04:04 2016 UTC

…		…
1	/* this works around a bug in mingw32 providing a non-working setjmp */	1	/* this works around a bug in mingw32 providing a non-working setjmp */
2	#define USE_NO_MINGW_SETJMP_TWO_ARGS	2	#define USE_NO_MINGW_SETJMP_TWO_ARGS
3		3
4	#define NDEBUG 1	4	#define NDEBUG 1 /* perl usually disables NDEBUG later */
5		5
6	#include "libcoro/coro.c"	6	#include "libcoro/coro.c"
7		7
8	#define PERL_NO_GET_CONTEXT	8	#define PERL_NO_GET_CONTEXT
9	#define PERL_EXT	9	#define PERL_EXT
14	#include "perliol.h"	14	#include "perliol.h"
15		15
16	#include "schmorp.h"	16	#include "schmorp.h"
17		17
18	#define ECB_NO_THREADS 1	18	#define ECB_NO_THREADS 1
		19	#define ECB_NO_LIBM 1
19	#include "ecb.h"	20	#include "ecb.h"
20		21
21	#include <stddef.h>	22	#include <stddef.h>
22	#include <stdio.h>	23	#include <stdio.h>
23	#include <errno.h>	24	#include <errno.h>
24	#include <assert.h>	25	#include <assert.h>
25		26
		27	#ifndef SvREFCNT_dec_NN
		28	#define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
		29	#endif
		30
		31	#ifndef SvREFCNT_inc_NN
		32	#define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		33	#endif
		34
26	#ifndef SVs_PADSTALE	35	#ifndef SVs_PADSTALE
27	# define SVs_PADSTALE 0	36	# define SVs_PADSTALE 0
28	#endif	37	#endif
29		38
30	#ifdef PadARRAY	39	#ifdef PadARRAY
31	# define NEWPADAPI	40	# define NEWPADAPI 1
32	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))	41	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
33	#else	42	#else
34	typedef AV PADNAMELIST;	43	typedef AV PADNAMELIST;
35	# if !PERL_VERSION_ATLEAST(5,8,0)	44	# if !PERL_VERSION_ATLEAST(5,8,0)
36	typedef AV PADLIST;	45	typedef AV PADLIST;
…		…
41	# define PadlistNAMES(pl) (*PadlistARRAY (pl))	50	# define PadlistNAMES(pl) (*PadlistARRAY (pl))
42	# define PadARRAY AvARRAY	51	# define PadARRAY AvARRAY
43	# define PadMAX AvFILLp	52	# define PadMAX AvFILLp
44	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))	53	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
45	#endif	54	#endif
		55	#ifndef PadnamelistREFCNT
		56	# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
		57	#endif
		58	#ifndef PadnamelistREFCNT_dec
		59	# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
		60	#endif
		61
		62	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
		63	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
		64	#if PERL_VERSION_ATLEAST(5,19,0)
		65	# define SVt_BIND SVt_IV
		66	#endif
46		67
47	#if defined(_WIN32)	68	#if defined(_WIN32)
48	# undef HAS_GETTIMEOFDAY	69	# undef HAS_GETTIMEOFDAY
49	# undef setjmp	70	# undef setjmp
50	# undef longjmp	71	# undef longjmp
…		…
52	# define setjmp _setjmp /* deep magic */	73	# define setjmp _setjmp /* deep magic */
53	#else	74	#else
54	# include <inttypes.h> /* most portable stdint.h */	75	# include <inttypes.h> /* most portable stdint.h */
55	#endif	76	#endif
56		77
57	#if HAVE_MMAP
58	# include <unistd.h>
59	# include <sys/mman.h>
60	# ifndef MAP_ANONYMOUS
61	# ifdef MAP_ANON
62	# define MAP_ANONYMOUS MAP_ANON
63	# else
64	# undef HAVE_MMAP
65	# endif
66	# endif
67	# include <limits.h>
68	# ifndef PAGESIZE
69	# define PAGESIZE pagesize
70	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
71	static long pagesize;
72	# else
73	# define BOOT_PAGESIZE (void)0
74	# endif
75	#else
76	# define PAGESIZE 0
77	# define BOOT_PAGESIZE (void)0
78	#endif
79
80	#if CORO_USE_VALGRIND
81	# include <valgrind/valgrind.h>
82	#endif
83
84	/* the maximum number of idle cctx that will be pooled */	78	/* the maximum number of idle cctx that will be pooled */
85	static int cctx_max_idle = 4;	79	static int cctx_max_idle = 4;
86		80
87	#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)	81	#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
88	# define HAS_SCOPESTACK_NAME 1	82	# define HAS_SCOPESTACK_NAME 1
89	#endif
90
91	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
92	# undef CORO_STACKGUARD
93	#endif
94
95	#ifndef CORO_STACKGUARD
96	# define CORO_STACKGUARD 0
97	#endif	83	#endif
98		84
99	/* prefer perl internal functions over our own? */	85	/* prefer perl internal functions over our own? */
100	#ifndef CORO_PREFER_PERL_FUNCTIONS	86	#ifndef CORO_PREFER_PERL_FUNCTIONS
101	# define CORO_PREFER_PERL_FUNCTIONS 0	87	# define CORO_PREFER_PERL_FUNCTIONS 0
…		…
130	# define CORO_CLOCK_MONOTONIC 1	116	# define CORO_CLOCK_MONOTONIC 1
131	# define CORO_CLOCK_THREAD_CPUTIME_ID 3	117	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
132	# endif	118	# endif
133	#endif	119	#endif
134		120
		121	/* perl usually suppressed asserts. for debugging, we sometimes force it to be on */
		122	#if 0
		123	# undef NDEBUG
		124	# include <assert.h>
		125	#endif
		126
135	static double (nvtime)(); / so why doesn't it take void? */	127	static double (nvtime)(); / so why doesn't it take void? */
136	static void (*u2time)(pTHX_ UV ret[2]);	128	static void (*u2time)(pTHX_ UV ret[2]);
137		129
138	/* we hijack an hopefully unused CV flag for our purposes */	130	/* we hijack an hopefully unused CV flag for our purposes */
139	#define CVf_SLF 0x4000	131	#define CVf_SLF 0x4000
…		…
154		146
155	static GV irsgv; / $/ */	147	static GV irsgv; / $/ */
156	static GV stdoutgv; / STDOUT /	148	static GV stdoutgv; / STDOUT /
157	static SV *rv_diehook;	149	static SV *rv_diehook;
158	static SV *rv_warnhook;	150	static SV *rv_warnhook;
159	static HV hv_sig; / %SIG */
160		151
161	/* async_pool helper stuff */	152	/* async_pool helper stuff */
162	static SV *sv_pool_rss;	153	static SV *sv_pool_rss;
163	static SV *sv_pool_size;	154	static SV *sv_pool_size;
164	static SV sv_async_pool_idle; / description string */	155	static SV sv_async_pool_idle; / description string */
…		…
192	typedef struct coro_cctx	183	typedef struct coro_cctx
193	{	184	{
194	struct coro_cctx *next;	185	struct coro_cctx *next;
195		186
196	/* the stack */	187	/* the stack */
197	void *sptr;	188	struct coro_stack stack;
198	size_t ssize;
199		189
200	/* cpu state */	190	/* cpu state */
201	void idle_sp; / sp of top-level transfer/schedule/cede call */	191	void idle_sp; / sp of top-level transfer/schedule/cede call */
202	#ifndef NDEBUG	192	#ifndef NDEBUG
203	JMPENV idle_te; / same as idle_sp, but for top_env */	193	JMPENV idle_te; / same as idle_sp, but for top_env */
…		…
271	SV *saved_deffh;	261	SV *saved_deffh;
272	SV *invoke_cb;	262	SV *invoke_cb;
273	AV *invoke_av;	263	AV *invoke_av;
274		264
275	/* on_enter/on_leave */	265	/* on_enter/on_leave */
276	AV *on_enter;	266	AV on_enter; AV on_enter_xs;
277	AV *on_leave;	267	AV on_leave; AV on_leave_xs;
278		268
279	/* swap_sv */	269	/* swap_sv */
280	AV *swap_sv;	270	AV *swap_sv;
281		271
282	/* times */	272	/* times */
…		…
312	#define coro_nready coroapi.nready	302	#define coro_nready coroapi.nready
313		303
314	/ JIT *******************************************************************/	304	/ JIT *******************************************************************/
315		305
316	#if CORO_JIT	306	#if CORO_JIT
317	/* APPLE doesn't have HAVE_MMAP though */	307	/* APPLE doesn't have mmap though */
318	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)	308	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)
319	#ifndef CORO_JIT_TYPE	309	#ifndef CORO_JIT_TYPE
320	#if __x86_64 && CORO_JIT_UNIXY	310	#if ECB_AMD64 && CORO_JIT_UNIXY
321	#define CORO_JIT_TYPE "amd64-unix"	311	#define CORO_JIT_TYPE "amd64-unix"
322	#elif __i386 && CORO_JIT_UNIXY	312	#elif __i386 && CORO_JIT_UNIXY
323	#define CORO_JIT_TYPE "x86-unix"	313	#define CORO_JIT_TYPE "x86-unix"
324	#endif	314	#endif
325	#endif	315	#endif
326	#endif	316	#endif
327		317
328	#if !defined(CORO_JIT_TYPE) \|\| !HAVE_MMAP	318	#if !defined(CORO_JIT_TYPE) \|\| _POSIX_MEMORY_PROTECTION <= 0
329	#undef CORO_JIT	319	#undef CORO_JIT
330	#endif	320	#endif
331		321
332	#if CORO_JIT	322	#if CORO_JIT
333	typedef void (load_save_perl_slots_type)(perl_slots );	323	typedef void (load_save_perl_slots_type)(perl_slots );
…		…
518		508
519	return 0;	509	return 0;
520	}	510	}
521		511
522	ecb_inline struct coro *	512	ecb_inline struct coro *
523	SvSTATE_ (pTHX_ SV *coro)	513	SvSTATE_ (pTHX_ SV *coro_sv)
524	{	514	{
525	MAGIC *mg;	515	MAGIC *mg;
526		516
527	if (SvROK (coro))	517	if (SvROK (coro_sv))
528	coro = SvRV (coro);	518	coro_sv = SvRV (coro_sv);
529		519
530	mg = SvSTATEhv_p (aTHX_ coro);	520	mg = SvSTATEhv_p (aTHX_ coro_sv);
531	if (!mg)	521	if (!mg)
532	croak ("Coro::State object required");	522	croak ("Coro::State object required");
533		523
534	return (struct coro *)mg->mg_ptr;	524	return (struct coro *)mg->mg_ptr;
535	}	525	}
…		…
546	ecb_inline PADLIST *	536	ecb_inline PADLIST *
547	coro_derive_padlist (pTHX_ CV *cv)	537	coro_derive_padlist (pTHX_ CV *cv)
548	{	538	{
549	PADLIST *padlist = CvPADLIST (cv);	539	PADLIST *padlist = CvPADLIST (cv);
550	PADLIST *newpadlist;	540	PADLIST *newpadlist;
		541	PADNAMELIST *padnames;
551	PAD *newpad;	542	PAD *newpad;
552	PADOFFSET const off = PadlistMAX (padlist) + 1;	543	PADOFFSET off = PadlistMAX (padlist) + 1;
553		544
554	newPADLIST(newpadlist);	545	#if NEWPADAPI
555	#if !PERL_VERSION_ATLEAST(5,15,3)	546
556	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	547	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
557	AvREAL_off (newpadlist);	548	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
558	#endif	549	while (!PadlistARRAY (padlist)[off - 1])
		550	--off;
		551
		552	Perl_pad_push (aTHX_ padlist, off);
		553
		554	newpad = PadlistARRAY (padlist)[off];
		555	PadlistARRAY (padlist)[off] = 0;
		556
		557	#else
		558
559	#if PERL_VERSION_ATLEAST (5,10,0)	559	#if PERL_VERSION_ATLEAST (5,10,0)
560	Perl_pad_push (aTHX_ padlist, off);	560	Perl_pad_push (aTHX_ padlist, off);
561	#else	561	#else
562	Perl_pad_push (aTHX_ padlist, off, 1);	562	Perl_pad_push (aTHX_ padlist, off, 1);
563	#endif	563	#endif
		564
564	newpad = PadlistARRAY (padlist)[off];	565	newpad = PadlistARRAY (padlist)[off];
565	PadlistMAX (padlist) = off - 1;	566	PadlistMAX (padlist) = off - 1;
566		567
		568	#endif
		569
		570	newPADLIST (newpadlist);
		571	#if !PERL_VERSION_ATLEAST(5,15,3)
		572	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		573	AvREAL_off (newpadlist);
		574	#endif
		575
567	/* Already extended to 2 elements by newPADLIST. */	576	/* Already extended to 2 elements by newPADLIST. */
568	PadlistMAX (newpadlist) = 1;	577	PadlistMAX (newpadlist) = 1;
569	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	578
		579	padnames = PadlistNAMES (padlist);
		580	++PadnamelistREFCNT (padnames);
		581	PadlistNAMES (newpadlist) = padnames;
		582
570	PadlistARRAY (newpadlist)[1] = newpad;	583	PadlistARRAY (newpadlist)[1] = newpad;
571		584
572	return newpadlist;	585	return newpadlist;
573	}	586	}
574		587
…		…
582		595
583	while (i > 0) /* special-case index 0 */	596	while (i > 0) /* special-case index 0 */
584	{	597	{
585	/* we try to be extra-careful here */	598	/* we try to be extra-careful here */
586	PAD *pad = PadlistARRAY (padlist)[i--];	599	PAD *pad = PadlistARRAY (padlist)[i--];
		600
		601	if (pad)
		602	{
587	I32 j = PadMAX (pad);	603	I32 j = PadMAX (pad);
588		604
589	while (j >= 0)	605	while (j >= 0)
590	SvREFCNT_dec (PadARRAY (pad)[j--]);	606	SvREFCNT_dec (PadARRAY (pad)[j--]);
591		607
592	PadMAX (pad) = -1;	608	PadMAX (pad) = -1;
593	SvREFCNT_dec (pad);	609	SvREFCNT_dec (pad);
		610	}
594	}	611	}
595		612
596	SvREFCNT_dec (PadlistNAMES (padlist));	613	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
597		614
598	#ifdef NEWPADAPI	615	#if NEWPADAPI
599	Safefree (PadlistARRAY (padlist));	616	Safefree (PadlistARRAY (padlist));
600	Safefree (padlist);	617	Safefree (padlist);
601	#else	618	#else
602	AvFILLp (padlist) = -1;	619	AvFILLp (padlist) = -1;
603	AvREAL_off (padlist);	620	AvREAL_off (padlist);
…		…
697	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;	714	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
698		715
699	/* if SvANY points to the head, we need to adjust the pointers,	716	/* if SvANY points to the head, we need to adjust the pointers,
700	* as the pointer for a still points to b, and maybe vice versa.	717	* as the pointer for a still points to b, and maybe vice versa.
701	*/	718	*/
702	#define svany_in_head(type) \	719	U32 svany_in_head_set = (1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV);
703	(((1 << SVt_NULL) \| (1 << SVt_BIND) \| (1 << SVt_IV) \| (1 << SVt_RV)) & (1 << (type)))	720	#if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
		721	svany_in_head_set \|= 1 << SVt_NV;
		722	#endif
		723
		724	#define svany_in_head(type) (svany_in_head_set & (1 << (type)))
704		725
705	if (svany_in_head (SvTYPE (a)))	726	if (svany_in_head (SvTYPE (a)))
706	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	727	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
707		728
708	if (svany_in_head (SvTYPE (b)))	729	if (svany_in_head (SvTYPE (b)))
…		…
711	#endif	732	#endif
712	}	733	}
713		734
714	/* swap sv heads, at least logically */	735	/* swap sv heads, at least logically */
715	static void	736	static void
716	swap_svs (pTHX_ Coro__State c)	737	swap_svs_enter (pTHX_ Coro__State c)
717	{	738	{
718	int i;	739	int i;
719		740
720	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	741	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
721	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);	742	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
722	}	743	}
723		744
		745	static void
		746	swap_svs_leave (pTHX_ Coro__State c)
		747	{
		748	int i;
		749
		750	for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
		751	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
		752	}
		753
724	#define SWAP_SVS(coro) \	754	#define SWAP_SVS_ENTER(coro) \
725	if (ecb_expect_false ((coro)->swap_sv)) \	755	if (ecb_expect_false ((coro)->swap_sv)) \
726	swap_svs (aTHX_ (coro))	756	swap_svs_enter (aTHX_ (coro))
		757
		758	#define SWAP_SVS_LEAVE(coro) \
		759	if (ecb_expect_false ((coro)->swap_sv)) \
		760	swap_svs_leave (aTHX_ (coro))
727		761
728	static void	762	static void
729	on_enterleave_call (pTHX_ SV *cb);	763	on_enterleave_call (pTHX_ SV *cb);
730		764
731	static void	765	static void
…		…
776		810
777	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	811	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
778	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	812	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
779	}	813	}
780		814
		815	if (ecb_expect_false (c->on_enter_xs))
		816	{
		817	int i;
		818
		819	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		820	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		821	}
		822
781	SWAP_SVS (c);	823	SWAP_SVS_ENTER (c);
782	}	824	}
783		825
784	static void	826	static void
785	save_perl (pTHX_ Coro__State c)	827	save_perl (pTHX_ Coro__State c)
786	{	828	{
787	SWAP_SVS (c);	829	SWAP_SVS_LEAVE (c);
		830
		831	if (ecb_expect_false (c->on_leave_xs))
		832	{
		833	int i;
		834
		835	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		836	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		837	}
788		838
789	if (ecb_expect_false (c->on_leave))	839	if (ecb_expect_false (c->on_leave))
790	{	840	{
791	int i;	841	int i;
792		842
…		…
919	#endif	969	#endif
920		970
921	New(54,PL_savestack,24,ANY);	971	New(54,PL_savestack,24,ANY);
922	PL_savestack_ix = 0;	972	PL_savestack_ix = 0;
923	PL_savestack_max = 24;	973	PL_savestack_max = 24;
		974	#if PERL_VERSION_ATLEAST (5,24,0)
		975	/* perl 5.24 moves SS_MAXPUSH optimisation from */
		976	/* the header macros to PL_savestack_max */
		977	PL_savestack_max -= SS_MAXPUSH;
		978	#endif
924		979
925	#if !PERL_VERSION_ATLEAST (5,10,0)	980	#if !PERL_VERSION_ATLEAST (5,10,0)
926	New(54,PL_retstack,4,OP*);	981	New(54,PL_retstack,4,OP*);
927	PL_retstack_ix = 0;	982	PL_retstack_ix = 0;
928	PL_retstack_max = 4;	983	PL_retstack_max = 4;
…		…
994	}	1049	}
995		1050
996	return rss;	1051	return rss;
997	}	1052	}
998		1053
999	/ coroutine stack handling **********************************************/	1054	/ provide custom get/set/clear methods for %SIG elements ****************/
1000
1001	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
1002	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
1003	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
1004		1055
1005	/* apparently < 5.8.8 */	1056	/* apparently < 5.8.8 */
1006	#ifndef MgPV_nolen_const	1057	#ifndef MgPV_nolen_const
1007	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1058	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
1008	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1059	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
1009	(const char*)(mg)->mg_ptr)	1060	(const char*)(mg)->mg_ptr)
1010	#endif	1061	#endif
		1062
		1063	/* this will be a patched copy of PL_vtbl_sigelem */
		1064	static MGVTBL coro_sigelem_vtbl;
		1065
		1066	static int ecb_cold
		1067	coro_sig_copy (pTHX_ SV sv, MAGIC mg, SV nsv, const char name, I32 namlen)
		1068	{
		1069	sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
		1070	assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
		1071	mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
		1072	return 1;
		1073	}
		1074
		1075	/* perl does not have a %SIG vtbl, we provide one so we can override */
		1076	/* the cwvtblagic for %SIG members */
		1077	static const MGVTBL coro_sig_vtbl = {
		1078	0, 0, 0, 0, 0,
		1079	coro_sig_copy
		1080	};
1011		1081
1012	/*	1082	/*
1013	* This overrides the default magic get method of %SIG elements.	1083	* This overrides the default magic get method of %SIG elements.
1014	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	1084	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
1015	* and instead of trying to save and restore the hash elements (extremely slow),	1085	* and instead of trying to save and restore the hash elements (extremely slow),
…		…
1041	sv_setsv (sv, ssv);	1111	sv_setsv (sv, ssv);
1042	return 0;	1112	return 0;
1043	}	1113	}
1044	}	1114	}
1045		1115
1046	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	1116	return PL_vtbl_sigelem.svt_get ? PL_vtbl_sigelem.svt_get (aTHX_ sv, mg) : 0;
1047	}	1117	}
1048		1118
1049	static int ecb_cold	1119	static int ecb_cold
1050	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1120	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1051	{	1121	{
…		…
1065	SvREFCNT_dec (old);	1135	SvREFCNT_dec (old);
1066	return 0;	1136	return 0;
1067	}	1137	}
1068	}	1138	}
1069		1139
1070	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;	1140	return PL_vtbl_sigelem.svt_clear ? PL_vtbl_sigelem.svt_clear (aTHX_ sv, mg) : 0;
1071	}	1141	}
1072		1142
1073	static int ecb_cold	1143	static int ecb_cold
1074	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1144	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1075	{	1145	{
…		…
1089	SvREFCNT_dec (old);	1159	SvREFCNT_dec (old);
1090	return 0;	1160	return 0;
1091	}	1161	}
1092	}	1162	}
1093		1163
1094	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	1164	return PL_vtbl_sigelem.svt_set ? PL_vtbl_sigelem.svt_set (aTHX_ sv, mg) : 0;
1095	}	1165	}
1096		1166
1097	static void	1167	static void
1098	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1168	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1099	{	1169	{
…		…
1110	static int	1180	static int
1111	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1181	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1112	{	1182	{
1113	return 1;	1183	return 1;
1114	}	1184	}
		1185
		1186	/ coroutine stack handling **********************************************/
1115		1187
1116	static UNOP init_perl_op;	1188	static UNOP init_perl_op;
1117		1189
1118	ecb_noinline static void /* noinline to keep it out of the transfer fast path */	1190	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1119	init_perl (pTHX_ struct coro *coro)	1191	init_perl (pTHX_ struct coro *coro)
…		…
1145		1217
1146	GvSV (PL_defgv) = newSV (0);	1218	GvSV (PL_defgv) = newSV (0);
1147	GvAV (PL_defgv) = coro->args; coro->args = 0;	1219	GvAV (PL_defgv) = coro->args; coro->args = 0;
1148	GvSV (PL_errgv) = newSV (0);	1220	GvSV (PL_errgv) = newSV (0);
1149	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1221	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1150	GvHV (PL_hintgv) = 0;	1222	GvHV (PL_hintgv) = newHV ();
		1223	#if PERL_VERSION_ATLEAST (5,10,0)
		1224	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1225	#endif
1151	PL_rs = newSVsv (GvSV (irsgv));	1226	PL_rs = newSVsv (GvSV (irsgv));
1152	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1227	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1153		1228
1154	{	1229	{
1155	dSP;	1230	dSP;
…		…
1183	PL_op = (OP *)&init_perl_op;	1258	PL_op = (OP *)&init_perl_op;
1184		1259
1185	/* copy throw, in case it was set before init_perl */	1260	/* copy throw, in case it was set before init_perl */
1186	CORO_THROW = coro->except;	1261	CORO_THROW = coro->except;
1187		1262
1188	SWAP_SVS (coro);	1263	SWAP_SVS_ENTER (coro);
1189		1264
1190	if (ecb_expect_false (enable_times))	1265	if (ecb_expect_false (enable_times))
1191	{	1266	{
1192	coro_times_update ();	1267	coro_times_update ();
1193	coro_times_sub (coro);	1268	coro_times_sub (coro);
…		…
1231	/* this will cause transfer_check to croak on block*/	1306	/* this will cause transfer_check to croak on block*/
1232	SvRV_set (coro_current, (SV *)coro->hv);	1307	SvRV_set (coro_current, (SV *)coro->hv);
1233		1308
1234	load_perl (aTHX_ coro);	1309	load_perl (aTHX_ coro);
1235		1310
		1311	/* restore swapped sv's */
		1312	SWAP_SVS_LEAVE (coro);
		1313
1236	coro_unwind_stacks (aTHX);	1314	coro_unwind_stacks (aTHX);
1237
1238	/* restore swapped sv's */
1239	SWAP_SVS (coro);
1240		1315
1241	coro_destruct_stacks (aTHX);	1316	coro_destruct_stacks (aTHX);
1242		1317
1243	/* now save some sv's to be free'd later */	1318	/* now save some sv's to be free'd later */
1244	svf [0] = GvSV (PL_defgv);	1319	svf [0] = GvSV (PL_defgv);
…		…
1265		1340
1266	SvREFCNT_dec (coro->saved_deffh);	1341	SvREFCNT_dec (coro->saved_deffh);
1267	SvREFCNT_dec (coro->rouse_cb);	1342	SvREFCNT_dec (coro->rouse_cb);
1268	SvREFCNT_dec (coro->invoke_cb);	1343	SvREFCNT_dec (coro->invoke_cb);
1269	SvREFCNT_dec (coro->invoke_av);	1344	SvREFCNT_dec (coro->invoke_av);
		1345	SvREFCNT_dec (coro->on_enter_xs);
		1346	SvREFCNT_dec (coro->on_leave_xs);
1270	}	1347	}
1271	}	1348	}
1272		1349
1273	ecb_inline void	1350	ecb_inline void
1274	free_coro_mortal (pTHX)	1351	free_coro_mortal (pTHX)
…		…
1337		1414
1338	if (PL_curcop != &PL_compiling)	1415	if (PL_curcop != &PL_compiling)
1339	{	1416	{
1340	SV **cb;	1417	SV **cb;
1341		1418
1342	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1419	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1343	{	1420	{
1344	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1421	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1345		1422
1346	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1423	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1347	{	1424	{
…		…
1489	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1566	* coro body here, as perl_run destroys these. Likewise, we cannot catch
1490	* runtime errors here, as this is just a random interpreter, not a thread.	1567	* runtime errors here, as this is just a random interpreter, not a thread.
1491	*/	1568	*/
1492		1569
1493	/*	1570	/*
		1571	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1572	* requires PL_scopestack_ix, so do it here if required.
		1573	*/
		1574	if (!PL_scopestack_ix)
		1575	ENTER;
		1576
		1577	/*
1494	* If perl-run returns we assume exit() was being called or the coro	1578	* If perl-run returns we assume exit() was being called or the coro
1495	* fell off the end, which seems to be the only valid (non-bug)	1579	* fell off the end, which seems to be the only valid (non-bug)
1496	* reason for perl_run to return. We try to mimic whatever perl is normally	1580	* reason for perl_run to return. We try to mimic whatever perl is normally
1497	* doing in that case. YMMV.	1581	* doing in that case. YMMV.
1498	*/	1582	*/
…		…
1519	static coro_cctx *	1603	static coro_cctx *
1520	cctx_new_empty (void)	1604	cctx_new_empty (void)
1521	{	1605	{
1522	coro_cctx *cctx = cctx_new ();	1606	coro_cctx *cctx = cctx_new ();
1523		1607
1524	cctx->sptr = 0;	1608	cctx->stack.sptr = 0;
1525	coro_create (&cctx->cctx, 0, 0, 0, 0);	1609	coro_create (&cctx->cctx, 0, 0, 0, 0);
1526		1610
1527	return cctx;	1611	return cctx;
1528	}	1612	}
1529		1613
1530	/* create a new cctx suitable as destination/running a perl interpreter */	1614	/* create a new cctx suitable as destination/running a perl interpreter */
1531	static coro_cctx *	1615	static coro_cctx *
1532	cctx_new_run (void)	1616	cctx_new_run (void)
1533	{	1617	{
1534	coro_cctx *cctx = cctx_new ();	1618	coro_cctx *cctx = cctx_new ();
1535	void *stack_start;
1536	size_t stack_size;
1537		1619
1538	#if HAVE_MMAP	1620	if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1539	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1540	/* mmap supposedly does allocate-on-write for us */
1541	cctx->sptr = mmap (0, cctx->ssize, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_ANONYMOUS, -1, 0);
1542
1543	if (cctx->sptr != (void *)-1)
1544	{
1545	#if CORO_STACKGUARD
1546	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1547	#endif
1548	stack_start = (char )cctx->sptr + CORO_STACKGUARD PAGESIZE;
1549	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1550	cctx->flags \|= CC_MAPPED;
1551	}	1621	{
1552	else
1553	#endif
1554	{
1555	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1556	New (0, cctx->sptr, cctx_stacksize, long);
1557
1558	if (!cctx->sptr)
1559	{
1560	perror ("FATAL: unable to allocate stack for coroutine, exiting.");	1622	perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1561	_exit (EXIT_FAILURE);	1623	_exit (EXIT_FAILURE);
1562	}
1563
1564	stack_start = cctx->sptr;
1565	stack_size = cctx->ssize;
1566	}	1624	}
1567		1625
1568	#if CORO_USE_VALGRIND
1569	cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char )stack_start, (char )stack_start + stack_size);
1570	#endif
1571
1572	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);	1626	coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1573		1627
1574	return cctx;	1628	return cctx;
1575	}	1629	}
1576		1630
1577	static void	1631	static void
…		…
1583	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));	1637	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1584		1638
1585	--cctx_count;	1639	--cctx_count;
1586	coro_destroy (&cctx->cctx);	1640	coro_destroy (&cctx->cctx);
1587		1641
1588	/* coro_transfer creates new, empty cctx's */	1642	coro_stack_free (&cctx->stack);
1589	if (cctx->sptr)
1590	{
1591	#if CORO_USE_VALGRIND
1592	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1593	#endif
1594
1595	#if HAVE_MMAP
1596	if (cctx->flags & CC_MAPPED)
1597	munmap (cctx->sptr, cctx->ssize);
1598	else
1599	#endif
1600	Safefree (cctx->sptr);
1601	}
1602		1643
1603	Safefree (cctx);	1644	Safefree (cctx);
1604	}	1645	}
1605		1646
1606	/* wether this cctx should be destructed */	1647	/* wether this cctx should be destructed */
…		…
1625	}	1666	}
1626		1667
1627	static void	1668	static void
1628	cctx_put (coro_cctx *cctx)	1669	cctx_put (coro_cctx *cctx)
1629	{	1670	{
1630	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));	1671	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1631		1672
1632	/* free another cctx if overlimit */	1673	/* free another cctx if overlimit */
1633	if (ecb_expect_false (cctx_idle >= cctx_max_idle))	1674	if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1634	{	1675	{
1635	coro_cctx *first = cctx_first;	1676	coro_cctx *first = cctx_first;
…		…
1967	/* nothing to schedule: call the idle handler */	2008	/* nothing to schedule: call the idle handler */
1968	if (SvROK (sv_idle)	2009	if (SvROK (sv_idle)
1969	&& SvOBJECT (SvRV (sv_idle)))	2010	&& SvOBJECT (SvRV (sv_idle)))
1970	{	2011	{
1971	if (SvRV (sv_idle) == SvRV (coro_current))	2012	if (SvRV (sv_idle) == SvRV (coro_current))
		2013	{
		2014	require_pv ("Carp");
		2015
		2016	{
		2017	dSP;
		2018
		2019	ENTER;
		2020	SAVETMPS;
		2021
		2022	PUSHMARK (SP);
1972	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2023	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2024	PUTBACK;
		2025	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2026
		2027	FREETMPS;
		2028	LEAVE;
		2029	}
		2030	}
1973		2031
1974	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2032	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1975	api_ready (aTHX_ SvRV (sv_idle));	2033	api_ready (aTHX_ SvRV (sv_idle));
1976	--coro_nready;	2034	--coro_nready;
1977	}	2035	}
…		…
2175	AV *od = coro->on_destroy;	2233	AV *od = coro->on_destroy;
2176		2234
2177	if (!od)	2235	if (!od)
2178	return;	2236	return;
2179		2237
		2238	coro->on_destroy = 0;
		2239	sv_2mortal ((SV *)od);
		2240
2180	while (AvFILLp (od) >= 0)	2241	while (AvFILLp (od) >= 0)
2181	{	2242	{
2182	SV *cb = sv_2mortal (av_pop (od));	2243	SV *cb = sv_2mortal (av_pop (od));
2183		2244
2184	/* coro hv's (and only hv's at the moment) are supported as well */	2245	/* coro hv's (and only hv's at the moment) are supported as well */
…		…
2278	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2339	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2279	}	2340	}
2280	else	2341	else
2281	{	2342	{
2282	struct coro *self = SvSTATE_current;	2343	struct coro *self = SvSTATE_current;
		2344
		2345	if (!self)
		2346	croak ("Coro::cancel called outside of thread content,");
2283		2347
2284	/* otherwise we cancel directly, purely for speed reasons	2348	/* otherwise we cancel directly, purely for speed reasons
2285	* unfortunately, this requires some magic trickery, as	2349	* unfortunately, this requires some magic trickery, as
2286	* somebody else could cancel us, so we have to fight the cancellation.	2350	* somebody else could cancel us, so we have to fight the cancellation.
2287	* this is ugly, and hopefully fully worth the extra speed.	2351	* this is ugly, and hopefully fully worth the extra speed.
…		…
2397	else	2461	else
2398	{	2462	{
2399	av_clear (GvAV (PL_defgv));	2463	av_clear (GvAV (PL_defgv));
2400	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2464	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2401		2465
		2466	if (ecb_expect_false (coro->swap_sv))
		2467	{
		2468	swap_svs_leave (coro);
		2469	SvREFCNT_dec_NN (coro->swap_sv);
		2470	coro->swap_sv = 0;
		2471	}
		2472
2402	coro->prio = 0;	2473	coro->prio = 0;
2403		2474
2404	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2475	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2405	api_trace (aTHX_ coro_current, 0);	2476	api_trace (aTHX_ coro_current, 0);
2406		2477
2407	frame->prepare = prepare_schedule;	2478	frame->prepare = prepare_schedule;
2408	av_push (av_async_pool, SvREFCNT_inc (hv));	2479	av_push (av_async_pool, SvREFCNT_inc (hv));
2409	}	2480	}
…		…
2629		2700
2630	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2701	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2631	static void	2702	static void
2632	slf_destroy (pTHX_ struct coro *coro)	2703	slf_destroy (pTHX_ struct coro *coro)
2633	{	2704	{
2634	/* this callback is reserved for slf functions needing to do cleanup */	2705	struct CoroSLF frame = coro->slf_frame;
2635	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2636	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2637		2706
2638	/*	2707	/*
2639	* The on_destroy above most likely is from an SLF call.	2708	* The on_destroy below most likely is from an SLF call.
2640	* Since by definition the SLF call will not finish when we destroy	2709	* Since by definition the SLF call will not finish when we destroy
2641	* the coro, we will have to force-finish it here, otherwise	2710	* the coro, we will have to force-finish it here, otherwise
2642	* cleanup functions cannot call SLF functions.	2711	* cleanup functions cannot call SLF functions.
2643	*/	2712	*/
2644	coro->slf_frame.prepare = 0;	2713	coro->slf_frame.prepare = 0;
		2714
		2715	/* this callback is reserved for slf functions needing to do cleanup */
		2716	if (frame.destroy && frame.prepare && !PL_dirty)
		2717	frame.destroy (aTHX_ &frame);
2645	}	2718	}
2646		2719
2647	/*	2720	/*
2648	* these not obviously related functions are all rolled into one	2721	* these not obviously related functions are all rolled into one
2649	* function to increase chances that they all will call transfer with the same	2722	* function to increase chances that they all will call transfer with the same
…		…
2832	static void	2905	static void
2833	coro_pop_on_leave (pTHX_ void *coro)	2906	coro_pop_on_leave (pTHX_ void *coro)
2834	{	2907	{
2835	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2908	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2836	on_enterleave_call (aTHX_ sv_2mortal (cb));	2909	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2910	}
		2911
		2912	static void
		2913	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2914	{
		2915	if (!hook)
		2916	return;
		2917
		2918	if (!*avp)
		2919	{
		2920	*avp = newAV ();
		2921	AvREAL_off (*avp);
		2922	}
		2923
		2924	av_push (avp, (SV )hook);
		2925	av_push (avp, (SV )arg);
		2926	}
		2927
		2928	static void
		2929	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2930	{
		2931	AV av = avp;
		2932	int i;
		2933
		2934	if (!av)
		2935	return;
		2936
		2937	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2938	if (AvARRAY (av)[i] == (SV *)hook)
		2939	{
		2940	if (execute)
		2941	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2942
		2943	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2944	av_pop (av);
		2945	av_pop (av);
		2946	break;
		2947	}
		2948
		2949	if (AvFILLp (av) >= 0)
		2950	{
		2951	*avp = 0;
		2952	SvREFCNT_dec_NN (av);
		2953	}
		2954	}
		2955
		2956	static void
		2957	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2958	{
		2959	struct coro *coro = SvSTATE (coro_sv);
		2960
		2961	if (SvSTATE_current == coro)
		2962	if (enter)
		2963	enter (aTHX_ enter_arg);
		2964
		2965	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2966	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2967	}
		2968
		2969	static void
		2970	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2971	{
		2972	struct coro *coro = SvSTATE (coro_sv);
		2973
		2974	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2975	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2976	}
		2977
		2978	static void
		2979	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2980	{
		2981	struct coro *coro = SvSTATE_current;
		2982
		2983	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2984	}
		2985
		2986	static void
		2987	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2988	{
		2989	struct coro *coro = SvSTATE_current;
		2990
		2991	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2992	}
		2993
		2994	static void
		2995	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2996	{
		2997	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2998
		2999	/* this ought to be much cheaper than malloc + a single destructor call */
		3000	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		3001	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2837	}	3002	}
2838		3003
2839	/*****************************************************************************/	3004	/*****************************************************************************/
2840	/* PerlIO::cede */	3005	/* PerlIO::cede */
2841		3006
…		…
2971	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3136	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2972	PUTBACK;	3137	PUTBACK;
2973	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3138	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2974	}	3139	}
2975		3140
2976	SvREFCNT_dec (cb);	3141	SvREFCNT_dec_NN (cb);
2977	}	3142	}
2978	}	3143	}
2979		3144
2980	static void	3145	static void
2981	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3146	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2989	{	3154	{
2990	AV av = (AV )frame->data;	3155	AV av = (AV )frame->data;
2991	SV *count_sv = AvARRAY (av)[0];	3156	SV *count_sv = AvARRAY (av)[0];
2992	SV *coro_hv = SvRV (coro_current);	3157	SV *coro_hv = SvRV (coro_current);
2993		3158
		3159	frame->destroy = 0;
		3160
2994	/* if we are about to throw, don't actually acquire the lock, just throw */	3161	/* if we are about to throw, don't actually acquire the lock, just throw */
2995	if (CORO_THROW)	3162	if (ecb_expect_false (CORO_THROW))
		3163	{
		3164	/* we still might be responsible for the semaphore, so wake up others */
		3165	coro_semaphore_adjust (aTHX_ av, 0);
		3166
2996	return 0;	3167	return 0;
		3168	}
2997	else if (SvIVX (count_sv) > 0)	3169	else if (SvIVX (count_sv) > 0)
2998	{	3170	{
2999	frame->destroy = 0;
3000
3001	if (acquire)	3171	if (acquire)
3002	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3172	SvIVX (count_sv) = SvIVX (count_sv) - 1;
3003	else	3173	else
3004	coro_semaphore_adjust (aTHX_ av, 0);	3174	coro_semaphore_adjust (aTHX_ av, 0);
3005		3175
…		…
3116	{	3286	{
3117	api_ready (aTHX_ cb);	3287	api_ready (aTHX_ cb);
3118	sv_setiv (cb, 0); /* signal waiter */	3288	sv_setiv (cb, 0); /* signal waiter */
3119	}	3289	}
3120		3290
3121	SvREFCNT_dec (cb);	3291	SvREFCNT_dec_NN (cb);
3122		3292
3123	--count;	3293	--count;
3124	}	3294	}
3125	}	3295	}
3126		3296
…		…
3211	}	3381	}
3212		3382
3213	av_push (state, data_sv);	3383	av_push (state, data_sv);
3214		3384
3215	api_ready (aTHX_ coro);	3385	api_ready (aTHX_ coro);
3216	SvREFCNT_dec (coro);	3386	SvREFCNT_dec_NN (coro);
3217	SvREFCNT_dec ((AV *)state);	3387	SvREFCNT_dec_NN ((AV *)state);
3218	}	3388	}
3219		3389
3220	static int	3390	static int
3221	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3391	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3222	{	3392	{
…		…
3227	/* it quickly returns */	3397	/* it quickly returns */
3228	if (CORO_THROW)	3398	if (CORO_THROW)
3229	return 0;	3399	return 0;
3230		3400
3231	/* one element that is an RV? repeat! */	3401	/* one element that is an RV? repeat! */
3232	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	3402	if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3233	return 1;	3403	return 1;
3234		3404
3235	/* restore status */	3405	/* restore status */
3236	{	3406	{
3237	SV *data_sv = av_pop (state);	3407	SV *data_sv = av_pop (state);
…		…
3240	errno = data->errorno;	3410	errno = data->errorno;
3241	PL_laststype = data->laststype;	3411	PL_laststype = data->laststype;
3242	PL_laststatval = data->laststatval;	3412	PL_laststatval = data->laststatval;
3243	PL_statcache = data->statcache;	3413	PL_statcache = data->statcache;
3244		3414
3245	SvREFCNT_dec (data_sv);	3415	SvREFCNT_dec_NN (data_sv);
3246	}	3416	}
3247		3417
3248	/* push result values */	3418	/* push result values */
3249	{	3419	{
3250	dSP;	3420	dSP;
…		…
3465		3635
3466	PROTOTYPES: DISABLE	3636	PROTOTYPES: DISABLE
3467		3637
3468	BOOT:	3638	BOOT:
3469	{	3639	{
		3640	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3641	#include "state.h"
3470	#ifdef USE_ITHREADS	3642	#ifdef USE_ITHREADS
3471	# if CORO_PTHREAD	3643	# if CORO_PTHREAD
3472	coro_thx = PERL_GET_CONTEXT;	3644	coro_thx = PERL_GET_CONTEXT;
3473	# endif	3645	# endif
3474	#endif	3646	#endif
3475	BOOT_PAGESIZE;
3476
3477	/* perl defines these to check for existance first, but why it doesn't */	3647	/* perl defines these to check for existance first, but why it doesn't */
3478	/* just create them one at init time is not clear to me, except for */	3648	/* just create them one at init time is not clear to me, except for */
3479	/* programs trying to delete them, but... */	3649	/* programs trying to delete them, but... */
3480	/* anyway, we declare this as invalid and make sure they are initialised here */	3650	/* anyway, we declare this as invalid and make sure they are initialised here */
3481	DEFSV;	3651	DEFSV;
…		…
3484	cctx_current = cctx_new_empty ();	3654	cctx_current = cctx_new_empty ();
3485		3655
3486	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3656	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3487	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3657	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3488		3658
3489	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3659	{
3490	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3660	/*
3491	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3661	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3662	* by coro_sig_vtbl in hash values.
		3663	*/
		3664	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3665
		3666	/* this only works if perl doesn't have a vtbl for %SIG */
		3667	assert (!mg->mg_virtual);
		3668
		3669	/*
		3670	* The irony is that the perl API itself asserts that mg_virtual
		3671	* must be non-const, yet perl5porters insisted on marking their
		3672	* vtbls as read-only, just to thwart perl modules from patching
		3673	* them.
		3674	*/
		3675	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3676	mg->mg_flags \|= MGf_COPY;
		3677
		3678	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3679	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3680	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3681	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3682	}
3492		3683
3493	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3494	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3684	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
3495	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	3685	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3496		3686
3497	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3687	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
3498		3688
…		…
3551	void	3741	void
3552	transfer (...)	3742	transfer (...)
3553	PROTOTYPE: $$	3743	PROTOTYPE: $$
3554	CODE:	3744	CODE:
3555	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3745	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3556
3557	void
3558	_exit (int code)
3559	PROTOTYPE: $
3560	CODE:
3561	_exit (code);
3562		3746
3563	SV *	3747	SV *
3564	clone (Coro::State coro)	3748	clone (Coro::State coro)
3565	CODE:	3749	CODE:
3566	{	3750	{
…		…
3810	if (ecb_expect_false (current == self))	3994	if (ecb_expect_false (current == self))
3811	coro_times_sub (SvSTATE (coro_current));	3995	coro_times_sub (SvSTATE (coro_current));
3812	}	3996	}
3813		3997
3814	void	3998	void
3815	swap_sv (Coro::State coro, SV sv, SV swapsv)	3999	swap_sv (Coro::State coro, SV sva, SV svb)
3816	CODE:	4000	CODE:
3817	{	4001	{
3818	struct coro *current = SvSTATE_current;	4002	struct coro *current = SvSTATE_current;
		4003	AV *swap_sv;
		4004	int i;
		4005
		4006	sva = SvRV (sva);
		4007	svb = SvRV (svb);
3819		4008
3820	if (current == coro)	4009	if (current == coro)
3821	SWAP_SVS (current);	4010	SWAP_SVS_LEAVE (current);
3822		4011
3823	if (!coro->swap_sv)	4012	if (!coro->swap_sv)
3824	coro->swap_sv = newAV ();	4013	coro->swap_sv = newAV ();
3825		4014
		4015	swap_sv = coro->swap_sv;
		4016
		4017	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4018	{
		4019	SV *a = AvARRAY (swap_sv)[i ];
		4020	SV *b = AvARRAY (swap_sv)[i + 1];
		4021
		4022	if (a == sva && b == svb)
		4023	{
		4024	SvREFCNT_dec_NN (a);
		4025	SvREFCNT_dec_NN (b);
		4026
		4027	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4028	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4029
		4030	AvFILLp (swap_sv) -= 2;
		4031
		4032	goto removed;
		4033	}
		4034	}
		4035
3826	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4036	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3827	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4037	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4038
		4039	removed:
3828		4040
3829	if (current == coro)	4041	if (current == coro)
3830	SWAP_SVS (current);	4042	SWAP_SVS_ENTER (current);
3831	}	4043	}
3832		4044
3833		4045
3834	MODULE = Coro::State PACKAGE = Coro	4046	MODULE = Coro::State PACKAGE = Coro
3835		4047
3836	BOOT:	4048	BOOT:
3837	{	4049	{
		4050	if (SVt_LAST > 32)
		4051	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4052
3838	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4053	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3839	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4054	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3840	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4055	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3841	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4056	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3842	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	4057	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3868	coroapi.ready = api_ready;	4083	coroapi.ready = api_ready;
3869	coroapi.is_ready = api_is_ready;	4084	coroapi.is_ready = api_is_ready;
3870	coroapi.nready = coro_nready;	4085	coroapi.nready = coro_nready;
3871	coroapi.current = coro_current;	4086	coroapi.current = coro_current;
3872		4087
		4088	coroapi.enterleave_hook = api_enterleave_hook;
		4089	coroapi.enterleave_unhook = api_enterleave_unhook;
		4090	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4091
3873	/GCoroAPI = &coroapi;/	4092	/GCoroAPI = &coroapi;/
3874	sv_setiv (sv, (IV)&coroapi);	4093	sv_setiv (sv, (IV)&coroapi);
3875	SvREADONLY_on (sv);	4094	SvREADONLY_on (sv);
3876	}	4095	}
3877	}	4096	}
…		…
3942		4161
3943	void	4162	void
3944	_set_current (SV *current)	4163	_set_current (SV *current)
3945	PROTOTYPE: $	4164	PROTOTYPE: $
3946	CODE:	4165	CODE:
3947	SvREFCNT_dec (SvRV (coro_current));	4166	SvREFCNT_dec_NN (SvRV (coro_current));
3948	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4167	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3949		4168
3950	void	4169	void
3951	_set_readyhook (SV *hook)	4170	_set_readyhook (SV *hook)
3952	PROTOTYPE: $	4171	PROTOTYPE: $
…		…
4036		4255
4037	if ((SV *)hv == &PL_sv_undef)	4256	if ((SV *)hv == &PL_sv_undef)
4038	{	4257	{
4039	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4258	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
4040	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4259	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4041	SvREFCNT_dec (sv);	4260	SvREFCNT_dec_NN (sv);
4042	}	4261	}
4043		4262
4044	{	4263	{
4045	struct coro *coro = SvSTATE_hv (hv);	4264	struct coro *coro = SvSTATE_hv (hv);
4046		4265
…		…
4053	api_ready (aTHX_ (SV *)hv);	4272	api_ready (aTHX_ (SV *)hv);
4054		4273
4055	if (GIMME_V != G_VOID)	4274	if (GIMME_V != G_VOID)
4056	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4275	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4057	else	4276	else
4058	SvREFCNT_dec (hv);	4277	SvREFCNT_dec_NN (hv);
4059	}	4278	}
4060		4279
4061	SV *	4280	SV *
4062	rouse_cb ()	4281	rouse_cb ()
4063	PROTOTYPE:	4282	PROTOTYPE:
…		…
4142	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4361	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4143	OUTPUT:	4362	OUTPUT:
4144	RETVAL	4363	RETVAL
4145		4364
4146	void	4365	void
4147	up (SV *self, int adjust = 1)	4366	up (SV *self)
4148	ALIAS:
4149	adjust = 1
4150	CODE:	4367	CODE:
		4368	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4369
		4370	void
		4371	adjust (SV *self, int adjust)
		4372	CODE:
4151	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4373	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4152		4374
4153	void	4375	void
4154	down (...)	4376	down (...)
4155	CODE:	4377	CODE:
4156	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4378	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
…		…
4318	{	4540	{
4319	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;	4541	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4320	coro_old_pp_sselect = 0;	4542	coro_old_pp_sselect = 0;
4321	}	4543	}
4322		4544
		4545	MODULE = Coro::State PACKAGE = Coro::Util
		4546
		4547	void
		4548	_exit (int code)
		4549	CODE:
		4550	_exit (code);
		4551
		4552	NV
		4553	time ()
		4554	CODE:
		4555	RETVAL = nvtime (aTHX);
		4556	OUTPUT:
		4557	RETVAL
		4558
		4559	NV
		4560	gettimeofday ()
		4561	PPCODE:
		4562	{
		4563	UV tv [2];
		4564	u2time (aTHX_ tv);
		4565	EXTEND (SP, 2);
		4566	PUSHs (sv_2mortal (newSVuv (tv [0])));
		4567	PUSHs (sv_2mortal (newSVuv (tv [1])));
		4568	}
		4569

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Comparing Coro/Coro/State.xs (file contents): Revision 1.426 by root, Wed Dec 5 00:19:57 2012 UTC vs. Revision 1.465 by root, Sat Jun 25 19:04:04 2016 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.426 by root, Wed Dec 5 00:19:57 2012 UTC vs.
Revision 1.465 by root, Sat Jun 25 19:04:04 2016 UTC