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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.425 by root, Wed Dec 5 00:14:22 2012 UTC vs.
Revision 1.469 by root, Fri Jul 14 02:43:50 2017 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	#if PERL_VERSION_ATLEAST(5,24,0)
		122	# define SUB_ARGARRAY PL_curpad[0]
		123	#else
		124	# define SUB_ARGARRAY (SV *)cx->blk_sub.argarray
		125	#endif
		126
		127	/* perl usually suppressed asserts. for debugging, we sometimes force it to be on */
		128	#if 0
		129	# undef NDEBUG
		130	# include <assert.h>
		131	#endif
		132
135	static double (nvtime)(); / so why doesn't it take void? */	133	static double (nvtime)(); / so why doesn't it take void? */
136	static void (*u2time)(pTHX_ UV ret[2]);	134	static void (*u2time)(pTHX_ UV ret[2]);
137		135
138	/* we hijack an hopefully unused CV flag for our purposes */	136	/* we hijack an hopefully unused CV flag for our purposes */
139	#define CVf_SLF 0x4000	137	#define CVf_SLF 0x4000
…		…
154		152
155	static GV irsgv; / $/ */	153	static GV irsgv; / $/ */
156	static GV stdoutgv; / STDOUT /	154	static GV stdoutgv; / STDOUT /
157	static SV *rv_diehook;	155	static SV *rv_diehook;
158	static SV *rv_warnhook;	156	static SV *rv_warnhook;
159	static HV hv_sig; / %SIG */
160		157
161	/* async_pool helper stuff */	158	/* async_pool helper stuff */
162	static SV *sv_pool_rss;	159	static SV *sv_pool_rss;
163	static SV *sv_pool_size;	160	static SV *sv_pool_size;
164	static SV sv_async_pool_idle; / description string */	161	static SV sv_async_pool_idle; / description string */
…		…
192	typedef struct coro_cctx	189	typedef struct coro_cctx
193	{	190	{
194	struct coro_cctx *next;	191	struct coro_cctx *next;
195		192
196	/* the stack */	193	/* the stack */
197	void *sptr;	194	struct coro_stack stack;
198	size_t ssize;
199		195
200	/* cpu state */	196	/* cpu state */
201	void idle_sp; / sp of top-level transfer/schedule/cede call */	197	void idle_sp; / sp of top-level transfer/schedule/cede call */
202	#ifndef NDEBUG	198	#ifndef NDEBUG
203	JMPENV idle_te; / same as idle_sp, but for top_env */	199	JMPENV idle_te; / same as idle_sp, but for top_env */
…		…
271	SV *saved_deffh;	267	SV *saved_deffh;
272	SV *invoke_cb;	268	SV *invoke_cb;
273	AV *invoke_av;	269	AV *invoke_av;
274		270
275	/* on_enter/on_leave */	271	/* on_enter/on_leave */
276	AV *on_enter;	272	AV on_enter; AV on_enter_xs;
277	AV *on_leave;	273	AV on_leave; AV on_leave_xs;
278		274
279	/* swap_sv */	275	/* swap_sv */
280	AV *swap_sv;	276	AV *swap_sv;
281		277
282	/* times */	278	/* times */
…		…
312	#define coro_nready coroapi.nready	308	#define coro_nready coroapi.nready
313		309
314	/ JIT *******************************************************************/	310	/ JIT *******************************************************************/
315		311
316	#if CORO_JIT	312	#if CORO_JIT
317	/* APPLE doesn't have HAVE_MMAP though */	313	/* APPLE doesn't have mmap though */
318	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)	314	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)
319	#ifndef CORO_JIT_TYPE	315	#ifndef CORO_JIT_TYPE
320	#if __x86_64 && CORO_JIT_UNIXY	316	#if ECB_AMD64 && CORO_JIT_UNIXY
321	#define CORO_JIT_TYPE "amd64-unix"	317	#define CORO_JIT_TYPE "amd64-unix"
322	#elif __i386 && CORO_JIT_UNIXY	318	#elif __i386 && CORO_JIT_UNIXY
323	#define CORO_JIT_TYPE "x86-unix"	319	#define CORO_JIT_TYPE "x86-unix"
324	#endif	320	#endif
325	#endif	321	#endif
326	#endif	322	#endif
327		323
328	#if !defined(CORO_JIT_TYPE) \|\| !HAVE_MMAP	324	#if !defined(CORO_JIT_TYPE) \|\| _POSIX_MEMORY_PROTECTION <= 0
329	#undef CORO_JIT	325	#undef CORO_JIT
330	#endif	326	#endif
331		327
332	#if CORO_JIT	328	#if CORO_JIT
333	typedef void (load_save_perl_slots_type)(perl_slots );	329	typedef void (load_save_perl_slots_type)(perl_slots );
…		…
518		514
519	return 0;	515	return 0;
520	}	516	}
521		517
522	ecb_inline struct coro *	518	ecb_inline struct coro *
523	SvSTATE_ (pTHX_ SV *coro)	519	SvSTATE_ (pTHX_ SV *coro_sv)
524	{	520	{
525	MAGIC *mg;	521	MAGIC *mg;
526		522
527	if (SvROK (coro))	523	if (SvROK (coro_sv))
528	coro = SvRV (coro);	524	coro_sv = SvRV (coro_sv);
529		525
530	mg = SvSTATEhv_p (aTHX_ coro);	526	mg = SvSTATEhv_p (aTHX_ coro_sv);
531	if (!mg)	527	if (!mg)
532	croak ("Coro::State object required");	528	croak ("Coro::State object required");
533		529
534	return (struct coro *)mg->mg_ptr;	530	return (struct coro *)mg->mg_ptr;
535	}	531	}
…		…
546	ecb_inline PADLIST *	542	ecb_inline PADLIST *
547	coro_derive_padlist (pTHX_ CV *cv)	543	coro_derive_padlist (pTHX_ CV *cv)
548	{	544	{
549	PADLIST *padlist = CvPADLIST (cv);	545	PADLIST *padlist = CvPADLIST (cv);
550	PADLIST *newpadlist;	546	PADLIST *newpadlist;
		547	PADNAMELIST *padnames;
551	PAD *newpad;	548	PAD *newpad;
552	PADOFFSET const off = PadlistMAX (padlist) + 1;	549	PADOFFSET off = PadlistMAX (padlist) + 1;
553		550
554	newPADLIST(newpadlist);	551	#if NEWPADAPI
555	#if !PERL_VERSION_ATLEAST(5,15,3)	552
556	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	553	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
557	AvREAL_off (newpadlist);	554	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
558	#endif	555	while (!PadlistARRAY (padlist)[off - 1])
		556	--off;
		557
		558	Perl_pad_push (aTHX_ padlist, off);
		559
		560	newpad = PadlistARRAY (padlist)[off];
		561	PadlistARRAY (padlist)[off] = 0;
		562
		563	#else
		564
559	#if PERL_VERSION_ATLEAST (5,10,0)	565	#if PERL_VERSION_ATLEAST (5,10,0)
560	Perl_pad_push (aTHX_ padlist, off);	566	Perl_pad_push (aTHX_ padlist, off);
561	#else	567	#else
562	Perl_pad_push (aTHX_ padlist, off, 1);	568	Perl_pad_push (aTHX_ padlist, off, 1);
563	#endif	569	#endif
		570
564	newpad = PadlistARRAY (padlist)[off];	571	newpad = PadlistARRAY (padlist)[off];
565	PadlistMAX (padlist) = off - 1;	572	PadlistMAX (padlist) = off - 1;
566		573
		574	#endif
		575
		576	newPADLIST (newpadlist);
		577	#if !PERL_VERSION_ATLEAST(5,15,3)
		578	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		579	AvREAL_off (newpadlist);
		580	#endif
		581
567	/* Already extended to 2 elements by newPADLIST. */	582	/* Already extended to 2 elements by newPADLIST. */
568	PadlistMAX (newpadlist) = 1;	583	PadlistMAX (newpadlist) = 1;
569	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	584
		585	padnames = PadlistNAMES (padlist);
		586	++PadnamelistREFCNT (padnames);
		587	PadlistNAMES (newpadlist) = padnames;
		588
570	PadlistARRAY (newpadlist)[1] = newpad;	589	PadlistARRAY (newpadlist)[1] = newpad;
571		590
572	return newpadlist;	591	return newpadlist;
573	}	592	}
574		593
…		…
582		601
583	while (i > 0) /* special-case index 0 */	602	while (i > 0) /* special-case index 0 */
584	{	603	{
585	/* we try to be extra-careful here */	604	/* we try to be extra-careful here */
586	PAD *pad = PadlistARRAY (padlist)[i--];	605	PAD *pad = PadlistARRAY (padlist)[i--];
		606
		607	if (pad)
		608	{
587	I32 j = PadMAX (pad);	609	I32 j = PadMAX (pad);
588		610
589	while (j >= 0)	611	while (j >= 0)
590	SvREFCNT_dec (PadARRAY (pad)[j--]);	612	SvREFCNT_dec (PadARRAY (pad)[j--]);
591		613
592	PadMAX (pad) = -1;	614	PadMAX (pad) = -1;
593	SvREFCNT_dec (pad);	615	SvREFCNT_dec (pad);
		616	}
594	}	617	}
595		618
596	SvREFCNT_dec (PadlistNAMES (padlist));	619	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
597		620
598	#ifdef NEWPADAPI	621	#if NEWPADAPI
599	Safefree (PadlistARRAY (padlist));	622	Safefree (PadlistARRAY (padlist));
600	Safefree (padlist);	623	Safefree (padlist);
601	#else	624	#else
602	AvFILLp (padlist) = -1;	625	AvFILLp (padlist) = -1;
603	AvREAL_off (padlist);	626	AvREAL_off (padlist);
…		…
697	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;	720	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
698		721
699	/* if SvANY points to the head, we need to adjust the pointers,	722	/* 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.	723	* as the pointer for a still points to b, and maybe vice versa.
701	*/	724	*/
702	#define svany_in_head(type) \	725	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)))	726	#if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
		727	svany_in_head_set \|= 1 << SVt_NV;
		728	#endif
		729
		730	#define svany_in_head(type) (svany_in_head_set & (1 << (type)))
704		731
705	if (svany_in_head (SvTYPE (a)))	732	if (svany_in_head (SvTYPE (a)))
706	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);	733	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
707		734
708	if (svany_in_head (SvTYPE (b)))	735	if (svany_in_head (SvTYPE (b)))
…		…
711	#endif	738	#endif
712	}	739	}
713		740
714	/* swap sv heads, at least logically */	741	/* swap sv heads, at least logically */
715	static void	742	static void
716	swap_svs (pTHX_ Coro__State c)	743	swap_svs_enter (pTHX_ Coro__State c)
717	{	744	{
718	int i;	745	int i;
719		746
720	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)	747	for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
721	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);	748	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
722	}	749	}
723		750
		751	static void
		752	swap_svs_leave (pTHX_ Coro__State c)
		753	{
		754	int i;
		755
		756	for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
		757	swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
		758	}
		759
724	#define SWAP_SVS(coro) \	760	#define SWAP_SVS_ENTER(coro) \
725	if (ecb_expect_false ((coro)->swap_sv)) \	761	if (ecb_expect_false ((coro)->swap_sv)) \
726	swap_svs (aTHX_ (coro))	762	swap_svs_enter (aTHX_ (coro))
		763
		764	#define SWAP_SVS_LEAVE(coro) \
		765	if (ecb_expect_false ((coro)->swap_sv)) \
		766	swap_svs_leave (aTHX_ (coro))
727		767
728	static void	768	static void
729	on_enterleave_call (pTHX_ SV *cb);	769	on_enterleave_call (pTHX_ SV *cb);
730		770
731	static void	771	static void
…		…
776		816
777	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	817	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
778	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	818	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
779	}	819	}
780		820
		821	if (ecb_expect_false (c->on_enter_xs))
		822	{
		823	int i;
		824
		825	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		826	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		827	}
		828
781	SWAP_SVS (c);	829	SWAP_SVS_ENTER (c);
782	}	830	}
783		831
784	static void	832	static void
785	save_perl (pTHX_ Coro__State c)	833	save_perl (pTHX_ Coro__State c)
786	{	834	{
787	SWAP_SVS (c);	835	SWAP_SVS_LEAVE (c);
		836
		837	if (ecb_expect_false (c->on_leave_xs))
		838	{
		839	int i;
		840
		841	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		842	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		843	}
788		844
789	if (ecb_expect_false (c->on_leave))	845	if (ecb_expect_false (c->on_leave))
790	{	846	{
791	int i;	847	int i;
792		848
…		…
919	#endif	975	#endif
920		976
921	New(54,PL_savestack,24,ANY);	977	New(54,PL_savestack,24,ANY);
922	PL_savestack_ix = 0;	978	PL_savestack_ix = 0;
923	PL_savestack_max = 24;	979	PL_savestack_max = 24;
		980	#if PERL_VERSION_ATLEAST (5,24,0)
		981	/* perl 5.24 moves SS_MAXPUSH optimisation from */
		982	/* the header macros to PL_savestack_max */
		983	PL_savestack_max -= SS_MAXPUSH;
		984	#endif
924		985
925	#if !PERL_VERSION_ATLEAST (5,10,0)	986	#if !PERL_VERSION_ATLEAST (5,10,0)
926	New(54,PL_retstack,4,OP*);	987	New(54,PL_retstack,4,OP*);
927	PL_retstack_ix = 0;	988	PL_retstack_ix = 0;
928	PL_retstack_max = 4;	989	PL_retstack_max = 4;
…		…
994	}	1055	}
995		1056
996	return rss;	1057	return rss;
997	}	1058	}
998		1059
999	/ coroutine stack handling **********************************************/	1060	/ 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		1061
1005	/* apparently < 5.8.8 */	1062	/* apparently < 5.8.8 */
1006	#ifndef MgPV_nolen_const	1063	#ifndef MgPV_nolen_const
1007	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	1064	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
1008	SvPV_nolen((SV*)((mg)->mg_ptr)) : \	1065	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
1009	(const char*)(mg)->mg_ptr)	1066	(const char*)(mg)->mg_ptr)
1010	#endif	1067	#endif
		1068
		1069	/* this will be a patched copy of PL_vtbl_sigelem */
		1070	static MGVTBL coro_sigelem_vtbl;
		1071
		1072	static int ecb_cold
		1073	coro_sig_copy (pTHX_ SV sv, MAGIC mg, SV nsv, const char name, I32 namlen)
		1074	{
		1075	char key = SvPV_nolen ((SV )name);
		1076
		1077	/* do what mg_copy normally does */
		1078	sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
		1079	assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
		1080
		1081	/* patch sigelem vtbl, but only for __WARN__ and __DIE__ */
		1082	if (*key == '_'
		1083	&& (strEQ (key, "__DIE__")
		1084	\|\| strEQ (key, "__WARN__")))
		1085	mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
		1086
		1087	return 1;
		1088	}
		1089
		1090	/* perl does not have a %SIG vtbl, we provide one so we can override */
		1091	/* the magic vtbl for the __DIE__ and __WARN__ members */
		1092	static const MGVTBL coro_sig_vtbl = {
		1093	0, 0, 0, 0, 0,
		1094	coro_sig_copy
		1095	};
1011		1096
1012	/*	1097	/*
1013	* This overrides the default magic get method of %SIG elements.	1098	* 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	1099	* 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),	1100	* and instead of trying to save and restore the hash elements (extremely slow),
…		…
1017	*/	1102	*/
1018	static int ecb_cold	1103	static int ecb_cold
1019	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	1104	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
1020	{	1105	{
1021	const char *s = MgPV_nolen_const (mg);	1106	const char *s = MgPV_nolen_const (mg);
		1107	/* the key must be either __DIE__ or __WARN__ here */
		1108	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1022		1109
1023	if (*s == '_')	1110	SV *ssv;
1024	{
1025	SV **svp = 0;
1026		1111
1027	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1028	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1029
1030	if (svp)	1112	if (!*svp)
1031	{
1032	SV *ssv;
1033
1034	if (!*svp)
1035	ssv = &PL_sv_undef;	1113	ssv = &PL_sv_undef;
1036	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */	1114	else if (SvTYPE (svp) == SVt_PVCV) / perlio directly stores a CV in warnhook. ugh. */
1037	ssv = sv_2mortal (newRV_inc (*svp));	1115	ssv = sv_2mortal (newRV_inc (*svp));
1038	else	1116	else
1039	ssv = *svp;	1117	ssv = *svp;
1040		1118
1041	sv_setsv (sv, ssv);	1119	sv_setsv (sv, ssv);
1042	return 0;	1120	return 0;
1043	}
1044	}
1045
1046	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1047	}	1121	}
1048		1122
1049	static int ecb_cold	1123	static int ecb_cold
1050	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)	1124	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
1051	{	1125	{
1052	const char *s = MgPV_nolen_const (mg);	1126	const char *s = MgPV_nolen_const (mg);
		1127	/* the key must be either __DIE__ or __WARN__ here */
		1128	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1053		1129
1054	if (*s == '_')
1055	{
1056	SV **svp = 0;
1057
1058	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1059	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1060
1061	if (svp)
1062	{
1063	SV old = svp;	1130	SV old = svp;
1064	*svp = 0;	1131	*svp = 0;
1065	SvREFCNT_dec (old);	1132	SvREFCNT_dec (old);
1066	return 0;	1133	return 0;
1067	}
1068	}
1069
1070	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1071	}	1134	}
1072		1135
1073	static int ecb_cold	1136	static int ecb_cold
1074	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	1137	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
1075	{	1138	{
1076	const char *s = MgPV_nolen_const (mg);	1139	const char *s = MgPV_nolen_const (mg);
		1140	/* the key must be either __DIE__ or __WARN__ here */
		1141	SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1077		1142
1078	if (*s == '_')
1079	{
1080	SV **svp = 0;
1081
1082	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1083	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1084
1085	if (svp)
1086	{
1087	SV old = svp;	1143	SV old = svp;
1088	*svp = SvOK (sv) ? newSVsv (sv) : 0;	1144	*svp = SvOK (sv) ? newSVsv (sv) : 0;
1089	SvREFCNT_dec (old);	1145	SvREFCNT_dec (old);
1090	return 0;	1146	return 0;
1091	}
1092	}
1093
1094	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
1095	}	1147	}
1096		1148
1097	static void	1149	static void
1098	prepare_nop (pTHX_ struct coro_transfer_args *ta)	1150	prepare_nop (pTHX_ struct coro_transfer_args *ta)
1099	{	1151	{
…		…
1110	static int	1162	static int
1111	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1163	slf_check_repeat (pTHX_ struct CoroSLF *frame)
1112	{	1164	{
1113	return 1;	1165	return 1;
1114	}	1166	}
		1167
		1168	/ coroutine stack handling **********************************************/
1115		1169
1116	static UNOP init_perl_op;	1170	static UNOP init_perl_op;
1117		1171
1118	ecb_noinline static void /* noinline to keep it out of the transfer fast path */	1172	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1119	init_perl (pTHX_ struct coro *coro)	1173	init_perl (pTHX_ struct coro *coro)
…		…
1145		1199
1146	GvSV (PL_defgv) = newSV (0);	1200	GvSV (PL_defgv) = newSV (0);
1147	GvAV (PL_defgv) = coro->args; coro->args = 0;	1201	GvAV (PL_defgv) = coro->args; coro->args = 0;
1148	GvSV (PL_errgv) = newSV (0);	1202	GvSV (PL_errgv) = newSV (0);
1149	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1203	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1150	GvHV (PL_hintgv) = 0;	1204	GvHV (PL_hintgv) = newHV ();
		1205	#if PERL_VERSION_ATLEAST (5,10,0)
		1206	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1207	#endif
1151	PL_rs = newSVsv (GvSV (irsgv));	1208	PL_rs = newSVsv (GvSV (irsgv));
1152	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1209	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1153		1210
1154	{	1211	{
1155	dSP;	1212	dSP;
…		…
1183	PL_op = (OP *)&init_perl_op;	1240	PL_op = (OP *)&init_perl_op;
1184		1241
1185	/* copy throw, in case it was set before init_perl */	1242	/* copy throw, in case it was set before init_perl */
1186	CORO_THROW = coro->except;	1243	CORO_THROW = coro->except;
1187		1244
1188	SWAP_SVS (coro);	1245	SWAP_SVS_ENTER (coro);
1189		1246
1190	if (ecb_expect_false (enable_times))	1247	if (ecb_expect_false (enable_times))
1191	{	1248	{
1192	coro_times_update ();	1249	coro_times_update ();
1193	coro_times_sub (coro);	1250	coro_times_sub (coro);
…		…
1231	/* this will cause transfer_check to croak on block*/	1288	/* this will cause transfer_check to croak on block*/
1232	SvRV_set (coro_current, (SV *)coro->hv);	1289	SvRV_set (coro_current, (SV *)coro->hv);
1233		1290
1234	load_perl (aTHX_ coro);	1291	load_perl (aTHX_ coro);
1235		1292
		1293	/* restore swapped sv's */
		1294	SWAP_SVS_LEAVE (coro);
		1295
1236	coro_unwind_stacks (aTHX);	1296	coro_unwind_stacks (aTHX);
1237
1238	/* restore swapped sv's */
1239	SWAP_SVS (coro);
1240		1297
1241	coro_destruct_stacks (aTHX);	1298	coro_destruct_stacks (aTHX);
1242		1299
1243	/* now save some sv's to be free'd later */	1300	/* now save some sv's to be free'd later */
1244	svf [0] = GvSV (PL_defgv);	1301	svf [0] = GvSV (PL_defgv);
…		…
1265		1322
1266	SvREFCNT_dec (coro->saved_deffh);	1323	SvREFCNT_dec (coro->saved_deffh);
1267	SvREFCNT_dec (coro->rouse_cb);	1324	SvREFCNT_dec (coro->rouse_cb);
1268	SvREFCNT_dec (coro->invoke_cb);	1325	SvREFCNT_dec (coro->invoke_cb);
1269	SvREFCNT_dec (coro->invoke_av);	1326	SvREFCNT_dec (coro->invoke_av);
		1327	SvREFCNT_dec (coro->on_enter_xs);
		1328	SvREFCNT_dec (coro->on_leave_xs);
1270	}	1329	}
1271	}	1330	}
1272		1331
1273	ecb_inline void	1332	ecb_inline void
1274	free_coro_mortal (pTHX)	1333	free_coro_mortal (pTHX)
…		…
1337		1396
1338	if (PL_curcop != &PL_compiling)	1397	if (PL_curcop != &PL_compiling)
1339	{	1398	{
1340	SV **cb;	1399	SV **cb;
1341		1400
1342	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1401	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1343	{	1402	{
1344	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1403	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1345		1404
1346	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1405	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1347	{	1406	{
…		…
1357	SAVETMPS;	1416	SAVETMPS;
1358	EXTEND (SP, 3);	1417	EXTEND (SP, 3);
1359	PUSHMARK (SP);	1418	PUSHMARK (SP);
1360	PUSHs (&PL_sv_yes);	1419	PUSHs (&PL_sv_yes);
1361	PUSHs (fullname);	1420	PUSHs (fullname);
1362	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1421	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef);
1363	PUTBACK;	1422	PUTBACK;
1364	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1423	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1365	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1424	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1366	SPAGAIN;	1425	SPAGAIN;
1367	FREETMPS;	1426	FREETMPS;
…		…
1489	* coro body here, as perl_run destroys these. Likewise, we cannot catch	1548	* 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.	1549	* runtime errors here, as this is just a random interpreter, not a thread.
1491	*/	1550	*/
1492		1551
1493	/*	1552	/*
		1553	* pp_entersub in 5.24 no longer ENTERs, but perl_destruct
		1554	* requires PL_scopestack_ix, so do it here if required.
		1555	*/
		1556	if (!PL_scopestack_ix)
		1557	ENTER;
		1558
		1559	/*
1494	* If perl-run returns we assume exit() was being called or the coro	1560	* 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)	1561	* 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	1562	* reason for perl_run to return. We try to mimic whatever perl is normally
1497	* doing in that case. YMMV.	1563	* doing in that case. YMMV.
1498	*/	1564	*/
…		…
1519	static coro_cctx *	1585	static coro_cctx *
1520	cctx_new_empty (void)	1586	cctx_new_empty (void)
1521	{	1587	{
1522	coro_cctx *cctx = cctx_new ();	1588	coro_cctx *cctx = cctx_new ();
1523		1589
1524	cctx->sptr = 0;	1590	cctx->stack.sptr = 0;
1525	coro_create (&cctx->cctx, 0, 0, 0, 0);	1591	coro_create (&cctx->cctx, 0, 0, 0, 0);
1526		1592
1527	return cctx;	1593	return cctx;
1528	}	1594	}
1529		1595
1530	/* create a new cctx suitable as destination/running a perl interpreter */	1596	/* create a new cctx suitable as destination/running a perl interpreter */
1531	static coro_cctx *	1597	static coro_cctx *
1532	cctx_new_run (void)	1598	cctx_new_run (void)
1533	{	1599	{
1534	coro_cctx *cctx = cctx_new ();	1600	coro_cctx *cctx = cctx_new ();
1535	void *stack_start;
1536	size_t stack_size;
1537		1601
1538	#if HAVE_MMAP	1602	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	}	1603	{
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.");	1604	perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1561	_exit (EXIT_FAILURE);	1605	_exit (EXIT_FAILURE);
1562	}
1563
1564	stack_start = cctx->sptr;
1565	stack_size = cctx->ssize;
1566	}	1606	}
1567		1607
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);	1608	coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1573		1609
1574	return cctx;	1610	return cctx;
1575	}	1611	}
1576		1612
1577	static void	1613	static void
…		…
1583	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));	1619	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1584		1620
1585	--cctx_count;	1621	--cctx_count;
1586	coro_destroy (&cctx->cctx);	1622	coro_destroy (&cctx->cctx);
1587		1623
1588	/* coro_transfer creates new, empty cctx's */	1624	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		1625
1603	Safefree (cctx);	1626	Safefree (cctx);
1604	}	1627	}
1605		1628
1606	/* wether this cctx should be destructed */	1629	/* wether this cctx should be destructed */
…		…
1625	}	1648	}
1626		1649
1627	static void	1650	static void
1628	cctx_put (coro_cctx *cctx)	1651	cctx_put (coro_cctx *cctx)
1629	{	1652	{
1630	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));	1653	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1631		1654
1632	/* free another cctx if overlimit */	1655	/* free another cctx if overlimit */
1633	if (ecb_expect_false (cctx_idle >= cctx_max_idle))	1656	if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1634	{	1657	{
1635	coro_cctx *first = cctx_first;	1658	coro_cctx *first = cctx_first;
…		…
1967	/* nothing to schedule: call the idle handler */	1990	/* nothing to schedule: call the idle handler */
1968	if (SvROK (sv_idle)	1991	if (SvROK (sv_idle)
1969	&& SvOBJECT (SvRV (sv_idle)))	1992	&& SvOBJECT (SvRV (sv_idle)))
1970	{	1993	{
1971	if (SvRV (sv_idle) == SvRV (coro_current))	1994	if (SvRV (sv_idle) == SvRV (coro_current))
		1995	{
		1996	require_pv ("Carp");
		1997
		1998	{
		1999	dSP;
		2000
		2001	ENTER;
		2002	SAVETMPS;
		2003
		2004	PUSHMARK (SP);
1972	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	2005	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		2006	PUTBACK;
		2007	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		2008
		2009	FREETMPS;
		2010	LEAVE;
		2011	}
		2012	}
1973		2013
1974	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	2014	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1975	api_ready (aTHX_ SvRV (sv_idle));	2015	api_ready (aTHX_ SvRV (sv_idle));
1976	--coro_nready;	2016	--coro_nready;
1977	}	2017	}
…		…
2175	AV *od = coro->on_destroy;	2215	AV *od = coro->on_destroy;
2176		2216
2177	if (!od)	2217	if (!od)
2178	return;	2218	return;
2179		2219
		2220	coro->on_destroy = 0;
		2221	sv_2mortal ((SV *)od);
		2222
2180	while (AvFILLp (od) >= 0)	2223	while (AvFILLp (od) >= 0)
2181	{	2224	{
2182	SV *cb = sv_2mortal (av_pop (od));	2225	SV *cb = sv_2mortal (av_pop (od));
2183		2226
2184	/* coro hv's (and only hv's at the moment) are supported as well */	2227	/* coro hv's (and only hv's at the moment) are supported as well */
…		…
2278	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2321	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2279	}	2322	}
2280	else	2323	else
2281	{	2324	{
2282	struct coro *self = SvSTATE_current;	2325	struct coro *self = SvSTATE_current;
		2326
		2327	if (!self)
		2328	croak ("Coro::cancel called outside of thread content,");
2283		2329
2284	/* otherwise we cancel directly, purely for speed reasons	2330	/* otherwise we cancel directly, purely for speed reasons
2285	* unfortunately, this requires some magic trickery, as	2331	* unfortunately, this requires some magic trickery, as
2286	* somebody else could cancel us, so we have to fight the cancellation.	2332	* somebody else could cancel us, so we have to fight the cancellation.
2287	* this is ugly, and hopefully fully worth the extra speed.	2333	* this is ugly, and hopefully fully worth the extra speed.
…		…
2397	else	2443	else
2398	{	2444	{
2399	av_clear (GvAV (PL_defgv));	2445	av_clear (GvAV (PL_defgv));
2400	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2446	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2401		2447
		2448	if (ecb_expect_false (coro->swap_sv))
		2449	{
		2450	SWAP_SVS_LEAVE (coro);
		2451	SvREFCNT_dec_NN (coro->swap_sv);
		2452	coro->swap_sv = 0;
		2453	}
		2454
2402	coro->prio = 0;	2455	coro->prio = 0;
2403		2456
2404	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2457	if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE))
2405	api_trace (aTHX_ coro_current, 0);	2458	api_trace (aTHX_ coro_current, 0);
2406		2459
2407	frame->prepare = prepare_schedule;	2460	frame->prepare = prepare_schedule;
2408	av_push (av_async_pool, SvREFCNT_inc (hv));	2461	av_push (av_async_pool, SvREFCNT_inc (hv));
2409	}	2462	}
…		…
2629		2682
2630	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2683	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2631	static void	2684	static void
2632	slf_destroy (pTHX_ struct coro *coro)	2685	slf_destroy (pTHX_ struct coro *coro)
2633	{	2686	{
2634	/* this callback is reserved for slf functions needing to do cleanup */	2687	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		2688
2638	/*	2689	/*
2639	* The on_destroy above most likely is from an SLF call.	2690	* The on_destroy below most likely is from an SLF call.
2640	* Since by definition the SLF call will not finish when we destroy	2691	* Since by definition the SLF call will not finish when we destroy
2641	* the coro, we will have to force-finish it here, otherwise	2692	* the coro, we will have to force-finish it here, otherwise
2642	* cleanup functions cannot call SLF functions.	2693	* cleanup functions cannot call SLF functions.
2643	*/	2694	*/
2644	coro->slf_frame.prepare = 0;	2695	coro->slf_frame.prepare = 0;
		2696
		2697	/* this callback is reserved for slf functions needing to do cleanup */
		2698	if (frame.destroy && frame.prepare && !PL_dirty)
		2699	frame.destroy (aTHX_ &frame);
2645	}	2700	}
2646		2701
2647	/*	2702	/*
2648	* these not obviously related functions are all rolled into one	2703	* these not obviously related functions are all rolled into one
2649	* function to increase chances that they all will call transfer with the same	2704	* function to increase chances that they all will call transfer with the same
…		…
2832	static void	2887	static void
2833	coro_pop_on_leave (pTHX_ void *coro)	2888	coro_pop_on_leave (pTHX_ void *coro)
2834	{	2889	{
2835	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2890	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2836	on_enterleave_call (aTHX_ sv_2mortal (cb));	2891	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2892	}
		2893
		2894	static void
		2895	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2896	{
		2897	if (!hook)
		2898	return;
		2899
		2900	if (!*avp)
		2901	{
		2902	*avp = newAV ();
		2903	AvREAL_off (*avp);
		2904	}
		2905
		2906	av_push (avp, (SV )hook);
		2907	av_push (avp, (SV )arg);
		2908	}
		2909
		2910	static void
		2911	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2912	{
		2913	AV av = avp;
		2914	int i;
		2915
		2916	if (!av)
		2917	return;
		2918
		2919	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2920	if (AvARRAY (av)[i] == (SV *)hook)
		2921	{
		2922	if (execute)
		2923	hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
		2924
		2925	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2926	av_pop (av);
		2927	av_pop (av);
		2928	break;
		2929	}
		2930
		2931	if (AvFILLp (av) >= 0)
		2932	{
		2933	*avp = 0;
		2934	SvREFCNT_dec_NN (av);
		2935	}
		2936	}
		2937
		2938	static void
		2939	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2940	{
		2941	struct coro *coro = SvSTATE (coro_sv);
		2942
		2943	if (SvSTATE_current == coro)
		2944	if (enter)
		2945	enter (aTHX_ enter_arg);
		2946
		2947	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2948	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2949	}
		2950
		2951	static void
		2952	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2953	{
		2954	struct coro *coro = SvSTATE (coro_sv);
		2955
		2956	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2957	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2958	}
		2959
		2960	static void
		2961	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2962	{
		2963	struct coro *coro = SvSTATE_current;
		2964
		2965	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2966	}
		2967
		2968	static void
		2969	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2970	{
		2971	struct coro *coro = SvSTATE_current;
		2972
		2973	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2974	}
		2975
		2976	static void
		2977	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2978	{
		2979	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2980
		2981	/* this ought to be much cheaper than malloc + a single destructor call */
		2982	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		2983	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2837	}	2984	}
2838		2985
2839	/*****************************************************************************/	2986	/*****************************************************************************/
2840	/* PerlIO::cede */	2987	/* PerlIO::cede */
2841		2988
…		…
2971	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3118	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2972	PUTBACK;	3119	PUTBACK;
2973	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3120	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2974	}	3121	}
2975		3122
2976	SvREFCNT_dec (cb);	3123	SvREFCNT_dec_NN (cb);
2977	}	3124	}
2978	}	3125	}
2979		3126
2980	static void	3127	static void
2981	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3128	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2989	{	3136	{
2990	AV av = (AV )frame->data;	3137	AV av = (AV )frame->data;
2991	SV *count_sv = AvARRAY (av)[0];	3138	SV *count_sv = AvARRAY (av)[0];
2992	SV *coro_hv = SvRV (coro_current);	3139	SV *coro_hv = SvRV (coro_current);
2993		3140
		3141	frame->destroy = 0;
		3142
2994	/* if we are about to throw, don't actually acquire the lock, just throw */	3143	/* if we are about to throw, don't actually acquire the lock, just throw */
2995	if (CORO_THROW)	3144	if (ecb_expect_false (CORO_THROW))
		3145	{
		3146	/* we still might be responsible for the semaphore, so wake up others */
		3147	coro_semaphore_adjust (aTHX_ av, 0);
		3148
2996	return 0;	3149	return 0;
		3150	}
2997	else if (SvIVX (count_sv) > 0)	3151	else if (SvIVX (count_sv) > 0)
2998	{	3152	{
2999	frame->destroy = 0;
3000
3001	if (acquire)	3153	if (acquire)
3002	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3154	SvIVX (count_sv) = SvIVX (count_sv) - 1;
3003	else	3155	else
3004	coro_semaphore_adjust (aTHX_ av, 0);	3156	coro_semaphore_adjust (aTHX_ av, 0);
3005		3157
…		…
3116	{	3268	{
3117	api_ready (aTHX_ cb);	3269	api_ready (aTHX_ cb);
3118	sv_setiv (cb, 0); /* signal waiter */	3270	sv_setiv (cb, 0); /* signal waiter */
3119	}	3271	}
3120		3272
3121	SvREFCNT_dec (cb);	3273	SvREFCNT_dec_NN (cb);
3122		3274
3123	--count;	3275	--count;
3124	}	3276	}
3125	}	3277	}
3126		3278
…		…
3211	}	3363	}
3212		3364
3213	av_push (state, data_sv);	3365	av_push (state, data_sv);
3214		3366
3215	api_ready (aTHX_ coro);	3367	api_ready (aTHX_ coro);
3216	SvREFCNT_dec (coro);	3368	SvREFCNT_dec_NN (coro);
3217	SvREFCNT_dec ((AV *)state);	3369	SvREFCNT_dec_NN ((AV *)state);
3218	}	3370	}
3219		3371
3220	static int	3372	static int
3221	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3373	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3222	{	3374	{
…		…
3227	/* it quickly returns */	3379	/* it quickly returns */
3228	if (CORO_THROW)	3380	if (CORO_THROW)
3229	return 0;	3381	return 0;
3230		3382
3231	/* one element that is an RV? repeat! */	3383	/* one element that is an RV? repeat! */
3232	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	3384	if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3233	return 1;	3385	return 1;
3234		3386
3235	/* restore status */	3387	/* restore status */
3236	{	3388	{
3237	SV *data_sv = av_pop (state);	3389	SV *data_sv = av_pop (state);
…		…
3240	errno = data->errorno;	3392	errno = data->errorno;
3241	PL_laststype = data->laststype;	3393	PL_laststype = data->laststype;
3242	PL_laststatval = data->laststatval;	3394	PL_laststatval = data->laststatval;
3243	PL_statcache = data->statcache;	3395	PL_statcache = data->statcache;
3244		3396
3245	SvREFCNT_dec (data_sv);	3397	SvREFCNT_dec_NN (data_sv);
3246	}	3398	}
3247		3399
3248	/* push result values */	3400	/* push result values */
3249	{	3401	{
3250	dSP;	3402	dSP;
…		…
3439		3591
3440	map_len = load_len + save_len + 16;	3592	map_len = load_len + save_len + 16;
3441		3593
3442	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);	3594	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
3443		3595
		3596	if (map_base == (char *)MAP_FAILED)
		3597	map_base = mmap (0, map_len, PROT_READ \| PROT_WRITE, MAP_PRIVATE \| MAP_ANONYMOUS, -1, 0);
		3598
3444	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));	3599	assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3445		3600
3446	load_perl_slots = (load_save_perl_slots_type)map_base;	3601	load_perl_slots = (load_save_perl_slots_type)map_base;
3447	memcpy (map_base, load_ptr, load_len);	3602	memcpy (map_base, load_ptr, load_len);
3448		3603
…		…
3465		3620
3466	PROTOTYPES: DISABLE	3621	PROTOTYPES: DISABLE
3467		3622
3468	BOOT:	3623	BOOT:
3469	{	3624	{
		3625	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3626	#include "state.h"
3470	#ifdef USE_ITHREADS	3627	#ifdef USE_ITHREADS
3471	# if CORO_PTHREAD	3628	# if CORO_PTHREAD
3472	coro_thx = PERL_GET_CONTEXT;	3629	coro_thx = PERL_GET_CONTEXT;
3473	# endif	3630	# endif
3474	#endif	3631	#endif
3475	BOOT_PAGESIZE;
3476
3477	/* perl defines these to check for existance first, but why it doesn't */	3632	/* 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 */	3633	/* just create them one at init time is not clear to me, except for */
3479	/* programs trying to delete them, but... */	3634	/* programs trying to delete them, but... */
3480	/* anyway, we declare this as invalid and make sure they are initialised here */	3635	/* anyway, we declare this as invalid and make sure they are initialised here */
3481	DEFSV;	3636	DEFSV;
…		…
3484	cctx_current = cctx_new_empty ();	3639	cctx_current = cctx_new_empty ();
3485		3640
3486	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3641	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
3487	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3642	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
3488		3643
3489	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3644	{
3490	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3645	/*
3491	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;	3646	* we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig
		3647	* by coro_sig_vtbl in hash values.
		3648	*/
		3649	MAGIC mg = mg_find ((SV )GvHV (gv_fetchpv ("SIG", GV_ADD \| GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig);
		3650
		3651	/* this only works if perl doesn't have a vtbl for %SIG */
		3652	assert (!mg->mg_virtual);
		3653
		3654	/*
		3655	* The irony is that the perl API itself asserts that mg_virtual
		3656	* must be non-const, yet perl5porters insisted on marking their
		3657	* vtbls as read-only, just to thwart perl modules from patching
		3658	* them.
		3659	*/
		3660	mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl;
		3661	mg->mg_flags \|= MGf_COPY;
		3662
		3663	coro_sigelem_vtbl = PL_vtbl_sigelem;
		3664	coro_sigelem_vtbl.svt_get = coro_sigelem_get;
		3665	coro_sigelem_vtbl.svt_set = coro_sigelem_set;
		3666	coro_sigelem_vtbl.svt_clear = coro_sigelem_clr;
		3667	}
3492		3668
3493	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
3494	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	3669	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));	3670	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
3496		3671
3497	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	3672	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
3498		3673
…		…
3551	void	3726	void
3552	transfer (...)	3727	transfer (...)
3553	PROTOTYPE: $$	3728	PROTOTYPE: $$
3554	CODE:	3729	CODE:
3555	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3730	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3556
3557	void
3558	_exit (int code)
3559	PROTOTYPE: $
3560	CODE:
3561	_exit (code);
3562		3731
3563	SV *	3732	SV *
3564	clone (Coro::State coro)	3733	clone (Coro::State coro)
3565	CODE:	3734	CODE:
3566	{	3735	{
…		…
3621	void	3790	void
3622	list ()	3791	list ()
3623	PROTOTYPE:	3792	PROTOTYPE:
3624	PPCODE:	3793	PPCODE:
3625	{	3794	{
3626	struct coro *coro;	3795	struct coro *coro;
3627	for (coro = coro_first; coro; coro = coro->next)	3796	for (coro = coro_first; coro; coro = coro->next)
3628	if (coro->hv)	3797	if (coro->hv)
3629	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));	3798	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3630	}	3799	}
3631		3800
…		…
3793		3962
3794	void	3963	void
3795	times (Coro::State self)	3964	times (Coro::State self)
3796	PPCODE:	3965	PPCODE:
3797	{	3966	{
3798	struct coro *current = SvSTATE (coro_current);	3967	struct coro *current = SvSTATE (coro_current);
3799		3968
3800	if (ecb_expect_false (current == self))	3969	if (ecb_expect_false (current == self))
3801	{	3970	{
3802	coro_times_update ();	3971	coro_times_update ();
3803	coro_times_add (SvSTATE (coro_current));	3972	coro_times_add (SvSTATE (coro_current));
…		…
3810	if (ecb_expect_false (current == self))	3979	if (ecb_expect_false (current == self))
3811	coro_times_sub (SvSTATE (coro_current));	3980	coro_times_sub (SvSTATE (coro_current));
3812	}	3981	}
3813		3982
3814	void	3983	void
3815	swap_sv (Coro::State coro, SV sv, SV swapsv)	3984	swap_sv (Coro::State coro, SV sva, SV svb)
3816	CODE:	3985	CODE:
3817	{	3986	{
3818	struct coro *current = SvSTATE_current;	3987	struct coro *current = SvSTATE_current;
		3988	AV *swap_sv;
		3989	int i;
		3990
		3991	sva = SvRV (sva);
		3992	svb = SvRV (svb);
3819		3993
3820	if (current == coro)	3994	if (current == coro)
3821	SWAP_SVS (current);	3995	SWAP_SVS_LEAVE (current);
3822		3996
3823	if (!coro->swap_sv)	3997	if (!coro->swap_sv)
3824	coro->swap_sv = newAV ();	3998	coro->swap_sv = newAV ();
3825		3999
		4000	swap_sv = coro->swap_sv;
		4001
		4002	for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
		4003	{
		4004	SV *a = AvARRAY (swap_sv)[i ];
		4005	SV *b = AvARRAY (swap_sv)[i + 1];
		4006
		4007	if (a == sva && b == svb)
		4008	{
		4009	SvREFCNT_dec_NN (a);
		4010	SvREFCNT_dec_NN (b);
		4011
		4012	for (; i <= AvFILLp (swap_sv) - 2; i++)
		4013	AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
		4014
		4015	AvFILLp (swap_sv) -= 2;
		4016
		4017	goto removed;
		4018	}
		4019	}
		4020
3826	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));	4021	av_push (swap_sv, SvREFCNT_inc_NN (sva));
3827	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));	4022	av_push (swap_sv, SvREFCNT_inc_NN (svb));
		4023
		4024	removed:
3828		4025
3829	if (current == coro)	4026	if (current == coro)
3830	SWAP_SVS (current);	4027	SWAP_SVS_ENTER (current);
3831	}	4028	}
3832		4029
3833		4030
3834	MODULE = Coro::State PACKAGE = Coro	4031	MODULE = Coro::State PACKAGE = Coro
3835		4032
3836	BOOT:	4033	BOOT:
3837	{	4034	{
		4035	if (SVt_LAST > 32)
		4036	croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
		4037
3838	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	4038	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3839	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	4039	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3840	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	4040	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3841	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	4041	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);	4042	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
…		…
3868	coroapi.ready = api_ready;	4068	coroapi.ready = api_ready;
3869	coroapi.is_ready = api_is_ready;	4069	coroapi.is_ready = api_is_ready;
3870	coroapi.nready = coro_nready;	4070	coroapi.nready = coro_nready;
3871	coroapi.current = coro_current;	4071	coroapi.current = coro_current;
3872		4072
		4073	coroapi.enterleave_hook = api_enterleave_hook;
		4074	coroapi.enterleave_unhook = api_enterleave_unhook;
		4075	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		4076
3873	/GCoroAPI = &coroapi;/	4077	/GCoroAPI = &coroapi;/
3874	sv_setiv (sv, (IV)&coroapi);	4078	sv_setiv (sv, (IV)&coroapi);
3875	SvREADONLY_on (sv);	4079	SvREADONLY_on (sv);
3876	}	4080	}
3877	}	4081	}
…		…
3942		4146
3943	void	4147	void
3944	_set_current (SV *current)	4148	_set_current (SV *current)
3945	PROTOTYPE: $	4149	PROTOTYPE: $
3946	CODE:	4150	CODE:
3947	SvREFCNT_dec (SvRV (coro_current));	4151	SvREFCNT_dec_NN (SvRV (coro_current));
3948	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4152	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3949		4153
3950	void	4154	void
3951	_set_readyhook (SV *hook)	4155	_set_readyhook (SV *hook)
3952	PROTOTYPE: $	4156	PROTOTYPE: $
…		…
4036		4240
4037	if ((SV *)hv == &PL_sv_undef)	4241	if ((SV *)hv == &PL_sv_undef)
4038	{	4242	{
4039	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4243	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
4040	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4244	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4041	SvREFCNT_dec (sv);	4245	SvREFCNT_dec_NN (sv);
4042	}	4246	}
4043		4247
4044	{	4248	{
4045	struct coro *coro = SvSTATE_hv (hv);	4249	struct coro *coro = SvSTATE_hv (hv);
4046		4250
…		…
4053	api_ready (aTHX_ (SV *)hv);	4257	api_ready (aTHX_ (SV *)hv);
4054		4258
4055	if (GIMME_V != G_VOID)	4259	if (GIMME_V != G_VOID)
4056	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4260	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4057	else	4261	else
4058	SvREFCNT_dec (hv);	4262	SvREFCNT_dec_NN (hv);
4059	}	4263	}
4060		4264
4061	SV *	4265	SV *
4062	rouse_cb ()	4266	rouse_cb ()
4063	PROTOTYPE:	4267	PROTOTYPE:
…		…
4078	on_leave = 1	4282	on_leave = 1
4079	PROTOTYPE: &	4283	PROTOTYPE: &
4080	CODE:	4284	CODE:
4081	{	4285	{
4082	struct coro *coro = SvSTATE_current;	4286	struct coro *coro = SvSTATE_current;
4083	AV **avp = ix ? &coro->on_leave : &coro->on_enter;	4287	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4084		4288
4085	block = s_get_cv_croak (block);	4289	block = s_get_cv_croak (block);
4086		4290
4087	if (!*avp)	4291	if (!*avp)
4088	*avp = newAV ();	4292	*avp = newAV ();
…		…
4108		4312
4109	SV *	4313	SV *
4110	new (SV klass, SV count = 0)	4314	new (SV klass, SV count = 0)
4111	CODE:	4315	CODE:
4112	{	4316	{
4113	int semcnt = 1;	4317	int semcnt = 1;
4114		4318
4115	if (count)	4319	if (count)
4116	{	4320	{
4117	SvGETMAGIC (count);	4321	SvGETMAGIC (count);
4118		4322
…		…
4142	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);	4346	RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
4143	OUTPUT:	4347	OUTPUT:
4144	RETVAL	4348	RETVAL
4145		4349
4146	void	4350	void
4147	up (SV *self, int adjust = 1)	4351	up (SV *self)
4148	ALIAS:
4149	adjust = 1
4150	CODE:	4352	CODE:
		4353	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
		4354
		4355	void
		4356	adjust (SV *self, int adjust)
		4357	CODE:
4151	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	4358	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
4152		4359
4153	void	4360	void
4154	down (...)	4361	down (...)
4155	CODE:	4362	CODE:
4156	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	4363	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
…		…
4178	XSRETURN_NO;	4385	XSRETURN_NO;
4179	}	4386	}
4180		4387
4181	void	4388	void
4182	waiters (SV *self)	4389	waiters (SV *self)
4183	PPCODE:	4390	PPCODE:
4184	{	4391	{
4185	AV av = (AV )SvRV (self);	4392	AV av = (AV )SvRV (self);
4186	int wcount = AvFILLp (av) + 1 - 1;	4393	int wcount = AvFILLp (av) + 1 - 1;
4187		4394
4188	if (GIMME_V == G_SCALAR)	4395	if (GIMME_V == G_SCALAR)
…		…
4200		4407
4201	void	4408	void
4202	_may_delete (SV *sem, int count, unsigned int extra_refs)	4409	_may_delete (SV *sem, int count, unsigned int extra_refs)
4203	PPCODE:	4410	PPCODE:
4204	{	4411	{
4205	AV av = (AV )SvRV (sem);	4412	AV av = (AV )SvRV (sem);
4206		4413
4207	if (SvREFCNT ((SV *)av) == 1 + extra_refs	4414	if (SvREFCNT ((SV *)av) == 1 + extra_refs
4208	&& AvFILLp (av) == 0 /* no waiters, just count */	4415	&& AvFILLp (av) == 0 /* no waiters, just count */
4209	&& SvIV (AvARRAY (av)[0]) == count)	4416	&& SvIV (AvARRAY (av)[0]) == count)
4210	XSRETURN_YES;	4417	XSRETURN_YES;
…		…
4231		4438
4232	void	4439	void
4233	broadcast (SV *self)	4440	broadcast (SV *self)
4234	CODE:	4441	CODE:
4235	{	4442	{
4236	AV av = (AV )SvRV (self);	4443	AV av = (AV )SvRV (self);
4237	coro_signal_wake (aTHX_ av, AvFILLp (av));	4444	coro_signal_wake (aTHX_ av, AvFILLp (av));
4238	}	4445	}
4239		4446
4240	void	4447	void
4241	send (SV *self)	4448	send (SV *self)
…		…
4249	SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */	4456	SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4250	}	4457	}
4251		4458
4252	IV	4459	IV
4253	awaited (SV *self)	4460	awaited (SV *self)
4254	CODE:	4461	CODE:
4255	RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;	4462	RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4256	OUTPUT:	4463	OUTPUT:
4257	RETVAL	4464	RETVAL
4258		4465
4259		4466
…		…
4264		4471
4265	void	4472	void
4266	_schedule (...)	4473	_schedule (...)
4267	CODE:	4474	CODE:
4268	{	4475	{
4269	static int incede;	4476	static int incede;
4270		4477
4271	api_cede_notself (aTHX);	4478	api_cede_notself (aTHX);
4272		4479
4273	++incede;	4480	++incede;
4274	while (coro_nready >= incede && api_cede (aTHX))	4481	while (coro_nready >= incede && api_cede (aTHX))
…		…
4318	{	4525	{
4319	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;	4526	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4320	coro_old_pp_sselect = 0;	4527	coro_old_pp_sselect = 0;
4321	}	4528	}
4322		4529
		4530	MODULE = Coro::State PACKAGE = Coro::Util
		4531
		4532	void
		4533	_exit (int code)
		4534	CODE:
		4535	_exit (code);
		4536
		4537	NV
		4538	time ()
		4539	CODE:
		4540	RETVAL = nvtime (aTHX);
		4541	OUTPUT:
		4542	RETVAL
		4543
		4544	NV
		4545	gettimeofday ()
		4546	PPCODE:
		4547	{
		4548	UV tv [2];
		4549	u2time (aTHX_ tv);
		4550	EXTEND (SP, 2);
		4551	PUSHs (sv_2mortal (newSVuv (tv [0])));
		4552	PUSHs (sv_2mortal (newSVuv (tv [1])));
		4553	}
		4554

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Comparing Coro/Coro/State.xs (file contents): Revision 1.425 by root, Wed Dec 5 00:14:22 2012 UTC vs. Revision 1.469 by root, Fri Jul 14 02:43:50 2017 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.425 by root, Wed Dec 5 00:14:22 2012 UTC vs.
Revision 1.469 by root, Fri Jul 14 02:43:50 2017 UTC