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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.428 by root, Wed Dec 5 16:34:12 2012 UTC vs.
Revision 1.451 by root, Mon Jun 29 23:49:34 2015 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
…		…
192	typedef struct coro_cctx	178	typedef struct coro_cctx
193	{	179	{
194	struct coro_cctx *next;	180	struct coro_cctx *next;
195		181
196	/* the stack */	182	/* the stack */
197	void *sptr;	183	struct coro_stack stack;
198	size_t ssize;
199		184
200	/* cpu state */	185	/* cpu state */
201	void idle_sp; / sp of top-level transfer/schedule/cede call */	186	void idle_sp; / sp of top-level transfer/schedule/cede call */
202	#ifndef NDEBUG	187	#ifndef NDEBUG
203	JMPENV idle_te; / same as idle_sp, but for top_env */	188	JMPENV idle_te; / same as idle_sp, but for top_env */
…		…
271	SV *saved_deffh;	256	SV *saved_deffh;
272	SV *invoke_cb;	257	SV *invoke_cb;
273	AV *invoke_av;	258	AV *invoke_av;
274		259
275	/* on_enter/on_leave */	260	/* on_enter/on_leave */
276	AV *on_enter;	261	AV on_enter; AV on_enter_xs;
277	AV *on_leave;	262	AV on_leave; AV on_leave_xs;
278		263
279	/* swap_sv */	264	/* swap_sv */
280	AV *swap_sv;	265	AV *swap_sv;
281		266
282	/* times */	267	/* times */
…		…
312	#define coro_nready coroapi.nready	297	#define coro_nready coroapi.nready
313		298
314	/ JIT *******************************************************************/	299	/ JIT *******************************************************************/
315		300
316	#if CORO_JIT	301	#if CORO_JIT
317	/* APPLE doesn't have HAVE_MMAP though */	302	/* APPLE doesn't have mmap though */
318	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)	303	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)
319	#ifndef CORO_JIT_TYPE	304	#ifndef CORO_JIT_TYPE
320	#if __x86_64 && CORO_JIT_UNIXY	305	#if ECB_AMD64 && CORO_JIT_UNIXY
321	#define CORO_JIT_TYPE "amd64-unix"	306	#define CORO_JIT_TYPE "amd64-unix"
322	#elif __i386 && CORO_JIT_UNIXY	307	#elif __i386 && CORO_JIT_UNIXY
323	#define CORO_JIT_TYPE "x86-unix"	308	#define CORO_JIT_TYPE "x86-unix"
324	#endif	309	#endif
325	#endif	310	#endif
326	#endif	311	#endif
327		312
328	#if !defined(CORO_JIT_TYPE) \|\| !HAVE_MMAP	313	#if !defined(CORO_JIT_TYPE) \|\| _POSIX_MEMORY_PROTECTION <= 0
329	#undef CORO_JIT	314	#undef CORO_JIT
330	#endif	315	#endif
331		316
332	#if CORO_JIT	317	#if CORO_JIT
333	typedef void (load_save_perl_slots_type)(perl_slots );	318	typedef void (load_save_perl_slots_type)(perl_slots );
…		…
518		503
519	return 0;	504	return 0;
520	}	505	}
521		506
522	ecb_inline struct coro *	507	ecb_inline struct coro *
523	SvSTATE_ (pTHX_ SV *coro)	508	SvSTATE_ (pTHX_ SV *coro_sv)
524	{	509	{
525	MAGIC *mg;	510	MAGIC *mg;
526		511
527	if (SvROK (coro))	512	if (SvROK (coro_sv))
528	coro = SvRV (coro);	513	coro_sv = SvRV (coro_sv);
529		514
530	mg = SvSTATEhv_p (aTHX_ coro);	515	mg = SvSTATEhv_p (aTHX_ coro_sv);
531	if (!mg)	516	if (!mg)
532	croak ("Coro::State object required");	517	croak ("Coro::State object required");
533		518
534	return (struct coro *)mg->mg_ptr;	519	return (struct coro *)mg->mg_ptr;
535	}	520	}
…		…
546	ecb_inline PADLIST *	531	ecb_inline PADLIST *
547	coro_derive_padlist (pTHX_ CV *cv)	532	coro_derive_padlist (pTHX_ CV *cv)
548	{	533	{
549	PADLIST *padlist = CvPADLIST (cv);	534	PADLIST *padlist = CvPADLIST (cv);
550	PADLIST *newpadlist;	535	PADLIST *newpadlist;
		536	PADNAMELIST *padnames;
551	PAD *newpad;	537	PAD *newpad;
552	PADOFFSET const off = PadlistMAX (padlist) + 1;	538	PADOFFSET off = PadlistMAX (padlist) + 1;
553		539
554	newPADLIST(newpadlist);	540	#if NEWPADAPI
555	#if !PERL_VERSION_ATLEAST(5,15,3)	541
556	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	542	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
557	AvREAL_off (newpadlist);	543	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
558	#endif	544	while (!PadlistARRAY (padlist)[off - 1])
		545	--off;
		546
		547	Perl_pad_push (aTHX_ padlist, off);
		548
		549	newpad = PadlistARRAY (padlist)[off];
		550	PadlistARRAY (padlist)[off] = 0;
		551
		552	#else
		553
559	#if PERL_VERSION_ATLEAST (5,10,0)	554	#if PERL_VERSION_ATLEAST (5,10,0)
560	Perl_pad_push (aTHX_ padlist, off);	555	Perl_pad_push (aTHX_ padlist, off);
561	#else	556	#else
562	Perl_pad_push (aTHX_ padlist, off, 1);	557	Perl_pad_push (aTHX_ padlist, off, 1);
563	#endif	558	#endif
		559
564	newpad = PadlistARRAY (padlist)[off];	560	newpad = PadlistARRAY (padlist)[off];
565	PadlistMAX (padlist) = off - 1;	561	PadlistMAX (padlist) = off - 1;
566		562
		563	#endif
		564
		565	newPADLIST (newpadlist);
		566	#if !PERL_VERSION_ATLEAST(5,15,3)
		567	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		568	AvREAL_off (newpadlist);
		569	#endif
		570
567	/* Already extended to 2 elements by newPADLIST. */	571	/* Already extended to 2 elements by newPADLIST. */
568	PadlistMAX (newpadlist) = 1;	572	PadlistMAX (newpadlist) = 1;
569	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	573
		574	padnames = PadlistNAMES (padlist);
		575	++PadnamelistREFCNT (padnames);
		576	PadlistNAMES (newpadlist) = padnames;
		577
570	PadlistARRAY (newpadlist)[1] = newpad;	578	PadlistARRAY (newpadlist)[1] = newpad;
571		579
572	return newpadlist;	580	return newpadlist;
573	}	581	}
574		582
…		…
582		590
583	while (i > 0) /* special-case index 0 */	591	while (i > 0) /* special-case index 0 */
584	{	592	{
585	/* we try to be extra-careful here */	593	/* we try to be extra-careful here */
586	PAD *pad = PadlistARRAY (padlist)[i--];	594	PAD *pad = PadlistARRAY (padlist)[i--];
		595
		596	if (pad)
		597	{
587	I32 j = PadMAX (pad);	598	I32 j = PadMAX (pad);
588		599
589	while (j >= 0)	600	while (j >= 0)
590	SvREFCNT_dec (PadARRAY (pad)[j--]);	601	SvREFCNT_dec (PadARRAY (pad)[j--]);
591		602
592	PadMAX (pad) = -1;	603	PadMAX (pad) = -1;
593	SvREFCNT_dec (pad);	604	SvREFCNT_dec (pad);
		605	}
594	}	606	}
595		607
596	SvREFCNT_dec (PadlistNAMES (padlist));	608	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
597		609
598	#ifdef NEWPADAPI	610	#if NEWPADAPI
599	Safefree (PadlistARRAY (padlist));	611	Safefree (PadlistARRAY (padlist));
600	Safefree (padlist);	612	Safefree (padlist);
601	#else	613	#else
602	AvFILLp (padlist) = -1;	614	AvFILLp (padlist) = -1;
603	AvREAL_off (padlist);	615	AvREAL_off (padlist);
…		…
776		788
777	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	789	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
778	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	790	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
779	}	791	}
780		792
		793	if (ecb_expect_false (c->on_enter_xs))
		794	{
		795	int i;
		796
		797	for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
		798	((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
		799	}
		800
781	SWAP_SVS (c);	801	SWAP_SVS (c);
782	}	802	}
783		803
784	static void	804	static void
785	save_perl (pTHX_ Coro__State c)	805	save_perl (pTHX_ Coro__State c)
786	{	806	{
787	SWAP_SVS (c);	807	SWAP_SVS (c);
		808
		809	if (ecb_expect_false (c->on_leave_xs))
		810	{
		811	int i;
		812
		813	for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
		814	((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
		815	}
788		816
789	if (ecb_expect_false (c->on_leave))	817	if (ecb_expect_false (c->on_leave))
790	{	818	{
791	int i;	819	int i;
792		820
…		…
1145		1173
1146	GvSV (PL_defgv) = newSV (0);	1174	GvSV (PL_defgv) = newSV (0);
1147	GvAV (PL_defgv) = coro->args; coro->args = 0;	1175	GvAV (PL_defgv) = coro->args; coro->args = 0;
1148	GvSV (PL_errgv) = newSV (0);	1176	GvSV (PL_errgv) = newSV (0);
1149	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1177	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1150	GvHV (PL_hintgv) = 0;	1178	GvHV (PL_hintgv) = newHV ();
		1179	#if PERL_VERSION_ATLEAST (5,10,0)
		1180	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1181	#endif
1151	PL_rs = newSVsv (GvSV (irsgv));	1182	PL_rs = newSVsv (GvSV (irsgv));
1152	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1183	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1153		1184
1154	{	1185	{
1155	dSP;	1186	dSP;
…		…
1265		1296
1266	SvREFCNT_dec (coro->saved_deffh);	1297	SvREFCNT_dec (coro->saved_deffh);
1267	SvREFCNT_dec (coro->rouse_cb);	1298	SvREFCNT_dec (coro->rouse_cb);
1268	SvREFCNT_dec (coro->invoke_cb);	1299	SvREFCNT_dec (coro->invoke_cb);
1269	SvREFCNT_dec (coro->invoke_av);	1300	SvREFCNT_dec (coro->invoke_av);
		1301	SvREFCNT_dec (coro->on_enter_xs);
		1302	SvREFCNT_dec (coro->on_leave_xs);
1270	}	1303	}
1271	}	1304	}
1272		1305
1273	ecb_inline void	1306	ecb_inline void
1274	free_coro_mortal (pTHX)	1307	free_coro_mortal (pTHX)
…		…
1337		1370
1338	if (PL_curcop != &PL_compiling)	1371	if (PL_curcop != &PL_compiling)
1339	{	1372	{
1340	SV **cb;	1373	SV **cb;
1341		1374
1342	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1375	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1343	{	1376	{
1344	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1377	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1345		1378
1346	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1379	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1347	{	1380	{
…		…
1519	static coro_cctx *	1552	static coro_cctx *
1520	cctx_new_empty (void)	1553	cctx_new_empty (void)
1521	{	1554	{
1522	coro_cctx *cctx = cctx_new ();	1555	coro_cctx *cctx = cctx_new ();
1523		1556
1524	cctx->sptr = 0;	1557	cctx->stack.sptr = 0;
1525	coro_create (&cctx->cctx, 0, 0, 0, 0);	1558	coro_create (&cctx->cctx, 0, 0, 0, 0);
1526		1559
1527	return cctx;	1560	return cctx;
1528	}	1561	}
1529		1562
1530	/* create a new cctx suitable as destination/running a perl interpreter */	1563	/* create a new cctx suitable as destination/running a perl interpreter */
1531	static coro_cctx *	1564	static coro_cctx *
1532	cctx_new_run (void)	1565	cctx_new_run (void)
1533	{	1566	{
1534	coro_cctx *cctx = cctx_new ();	1567	coro_cctx *cctx = cctx_new ();
1535	void *stack_start;
1536	size_t stack_size;
1537		1568
1538	#if CORO_FIBER	1569	if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1539
1540	cctx->ssize = cctx_stacksize * sizeof (long);
1541	cctx->sptr = 0;
1542
1543	#else
1544
1545	#if HAVE_MMAP
1546	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1547	/* mmap supposedly does allocate-on-write for us */
1548	cctx->sptr = mmap (0, cctx->ssize, PROT_READ \| PROT_WRITE \| PROT_EXEC, MAP_ANONYMOUS, -1, 0);
1549
1550	if (cctx->sptr != (void *)-1)
1551	{	1570	{
1552	#if CORO_STACKGUARD
1553	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1554	#endif
1555	stack_start = (char )cctx->sptr + CORO_STACKGUARD PAGESIZE;
1556	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1557	cctx->flags \|= CC_MAPPED;
1558	}
1559	else
1560	#endif
1561	{
1562	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1563	New (0, cctx->sptr, cctx_stacksize, long);
1564
1565	if (!cctx->sptr)
1566	{
1567	perror ("FATAL: unable to allocate stack for coroutine, exiting.");	1571	perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1568	_exit (EXIT_FAILURE);	1572	_exit (EXIT_FAILURE);
1569	}
1570
1571	stack_start = cctx->sptr;
1572	stack_size = cctx->ssize;
1573	}	1573	}
1574	#endif
1575		1574
1576	#if CORO_USE_VALGRIND
1577	cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char )stack_start, (char )stack_start + stack_size);
1578	#endif
1579
1580	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);	1575	coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1581		1576
1582	return cctx;	1577	return cctx;
1583	}	1578	}
1584		1579
1585	static void	1580	static void
…		…
1591	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));	1586	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1592		1587
1593	--cctx_count;	1588	--cctx_count;
1594	coro_destroy (&cctx->cctx);	1589	coro_destroy (&cctx->cctx);
1595		1590
1596	/* coro_transfer creates new, empty cctx's */	1591	coro_stack_free (&cctx->stack);
1597	if (cctx->sptr)
1598	{
1599	#if CORO_USE_VALGRIND
1600	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1601	#endif
1602
1603	#if HAVE_MMAP
1604	if (cctx->flags & CC_MAPPED)
1605	munmap (cctx->sptr, cctx->ssize);
1606	else
1607	#endif
1608	Safefree (cctx->sptr);
1609	}
1610		1592
1611	Safefree (cctx);	1593	Safefree (cctx);
1612	}	1594	}
1613		1595
1614	/* wether this cctx should be destructed */	1596	/* wether this cctx should be destructed */
…		…
1633	}	1615	}
1634		1616
1635	static void	1617	static void
1636	cctx_put (coro_cctx *cctx)	1618	cctx_put (coro_cctx *cctx)
1637	{	1619	{
1638	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));	1620	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1639		1621
1640	/* free another cctx if overlimit */	1622	/* free another cctx if overlimit */
1641	if (ecb_expect_false (cctx_idle >= cctx_max_idle))	1623	if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1642	{	1624	{
1643	coro_cctx *first = cctx_first;	1625	coro_cctx *first = cctx_first;
…		…
1975	/* nothing to schedule: call the idle handler */	1957	/* nothing to schedule: call the idle handler */
1976	if (SvROK (sv_idle)	1958	if (SvROK (sv_idle)
1977	&& SvOBJECT (SvRV (sv_idle)))	1959	&& SvOBJECT (SvRV (sv_idle)))
1978	{	1960	{
1979	if (SvRV (sv_idle) == SvRV (coro_current))	1961	if (SvRV (sv_idle) == SvRV (coro_current))
		1962	{
		1963	require_pv ("Carp");
		1964
		1965	{
		1966	dSP;
		1967
		1968	ENTER;
		1969	SAVETMPS;
		1970
		1971	PUSHMARK (SP);
1980	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	1972	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		1973	PUTBACK;
		1974	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		1975
		1976	FREETMPS;
		1977	LEAVE;
		1978	}
		1979	}
1981		1980
1982	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	1981	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1983	api_ready (aTHX_ SvRV (sv_idle));	1982	api_ready (aTHX_ SvRV (sv_idle));
1984	--coro_nready;	1983	--coro_nready;
1985	}	1984	}
…		…
2183	AV *od = coro->on_destroy;	2182	AV *od = coro->on_destroy;
2184		2183
2185	if (!od)	2184	if (!od)
2186	return;	2185	return;
2187		2186
		2187	coro->on_destroy = 0;
		2188	sv_2mortal ((SV *)od);
		2189
2188	while (AvFILLp (od) >= 0)	2190	while (AvFILLp (od) >= 0)
2189	{	2191	{
2190	SV *cb = sv_2mortal (av_pop (od));	2192	SV *cb = sv_2mortal (av_pop (od));
2191		2193
2192	/* coro hv's (and only hv's at the moment) are supported as well */	2194	/* coro hv's (and only hv's at the moment) are supported as well */
…		…
2286	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2288	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2287	}	2289	}
2288	else	2290	else
2289	{	2291	{
2290	struct coro *self = SvSTATE_current;	2292	struct coro *self = SvSTATE_current;
		2293
		2294	if (!self)
		2295	croak ("Coro::cancel called outside of thread content,");
2291		2296
2292	/* otherwise we cancel directly, purely for speed reasons	2297	/* otherwise we cancel directly, purely for speed reasons
2293	* unfortunately, this requires some magic trickery, as	2298	* unfortunately, this requires some magic trickery, as
2294	* somebody else could cancel us, so we have to fight the cancellation.	2299	* somebody else could cancel us, so we have to fight the cancellation.
2295	* this is ugly, and hopefully fully worth the extra speed.	2300	* this is ugly, and hopefully fully worth the extra speed.
…		…
2637		2642
2638	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2643	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2639	static void	2644	static void
2640	slf_destroy (pTHX_ struct coro *coro)	2645	slf_destroy (pTHX_ struct coro *coro)
2641	{	2646	{
2642	/* this callback is reserved for slf functions needing to do cleanup */	2647	struct CoroSLF frame = coro->slf_frame;
2643	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2644	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2645		2648
2646	/*	2649	/*
2647	* The on_destroy above most likely is from an SLF call.	2650	* The on_destroy below most likely is from an SLF call.
2648	* Since by definition the SLF call will not finish when we destroy	2651	* Since by definition the SLF call will not finish when we destroy
2649	* the coro, we will have to force-finish it here, otherwise	2652	* the coro, we will have to force-finish it here, otherwise
2650	* cleanup functions cannot call SLF functions.	2653	* cleanup functions cannot call SLF functions.
2651	*/	2654	*/
2652	coro->slf_frame.prepare = 0;	2655	coro->slf_frame.prepare = 0;
		2656
		2657	/* this callback is reserved for slf functions needing to do cleanup */
		2658	if (frame.destroy && frame.prepare && !PL_dirty)
		2659	frame.destroy (aTHX_ &frame);
2653	}	2660	}
2654		2661
2655	/*	2662	/*
2656	* these not obviously related functions are all rolled into one	2663	* these not obviously related functions are all rolled into one
2657	* function to increase chances that they all will call transfer with the same	2664	* function to increase chances that they all will call transfer with the same
…		…
2840	static void	2847	static void
2841	coro_pop_on_leave (pTHX_ void *coro)	2848	coro_pop_on_leave (pTHX_ void *coro)
2842	{	2849	{
2843	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);	2850	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
2844	on_enterleave_call (aTHX_ sv_2mortal (cb));	2851	on_enterleave_call (aTHX_ sv_2mortal (cb));
		2852	}
		2853
		2854	static void
		2855	enterleave_hook_xs (pTHX_ struct coro coro, AV avp, coro_enterleave_hook hook, void arg)
		2856	{
		2857	if (!hook)
		2858	return;
		2859
		2860	if (!*avp)
		2861	{
		2862	*avp = newAV ();
		2863	AvREAL_off (*avp);
		2864	}
		2865
		2866	av_push (avp, (SV )hook);
		2867	av_push (avp, (SV )arg);
		2868	}
		2869
		2870	static void
		2871	enterleave_unhook_xs (pTHX_ struct coro coro, AV *avp, coro_enterleave_hook hook, int execute)
		2872	{
		2873	AV av = avp;
		2874	int i;
		2875
		2876	if (!av)
		2877	return;
		2878
		2879	for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
		2880	if (AvARRAY (av)[i] == (SV *)hook)
		2881	{
		2882	if (execute)
		2883	hook ((void *)AvARRAY (av)[i + 1]);
		2884
		2885	memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
		2886	av_pop (av);
		2887	av_pop (av);
		2888	break;
		2889	}
		2890
		2891	if (AvFILLp (av) >= 0)
		2892	{
		2893	*avp = 0;
		2894	SvREFCNT_dec_NN (av);
		2895	}
		2896	}
		2897
		2898	static void
		2899	api_enterleave_hook (pTHX_ SV coro_sv, coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void *leave_arg)
		2900	{
		2901	struct coro *coro = SvSTATE (coro_sv);
		2902
		2903	if (SvSTATE_current == coro)
		2904	if (enter)
		2905	enter (aTHX enter_arg);
		2906
		2907	enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
		2908	enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
		2909	}
		2910
		2911	static void
		2912	api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
		2913	{
		2914	struct coro *coro = SvSTATE (coro_sv);
		2915
		2916	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2917	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
		2918	}
		2919
		2920	static void
		2921	savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
		2922	{
		2923	struct coro *coro = SvSTATE_current;
		2924
		2925	enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
		2926	}
		2927
		2928	static void
		2929	savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
		2930	{
		2931	struct coro *coro = SvSTATE_current;
		2932
		2933	enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
		2934	}
		2935
		2936	static void
		2937	api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void enter_arg, coro_enterleave_hook leave, void leave_arg)
		2938	{
		2939	api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
		2940
		2941	/* this ought to be much cheaper than malloc + a single destructor call */
		2942	if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
		2943	if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2845	}	2944	}
2846		2945
2847	/*****************************************************************************/	2946	/*****************************************************************************/
2848	/* PerlIO::cede */	2947	/* PerlIO::cede */
2849		2948
…		…
2979	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));	3078	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2980	PUTBACK;	3079	PUTBACK;
2981	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);	3080	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
2982	}	3081	}
2983		3082
2984	SvREFCNT_dec (cb);	3083	SvREFCNT_dec_NN (cb);
2985	}	3084	}
2986	}	3085	}
2987		3086
2988	static void	3087	static void
2989	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)	3088	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
…		…
2997	{	3096	{
2998	AV av = (AV )frame->data;	3097	AV av = (AV )frame->data;
2999	SV *count_sv = AvARRAY (av)[0];	3098	SV *count_sv = AvARRAY (av)[0];
3000	SV *coro_hv = SvRV (coro_current);	3099	SV *coro_hv = SvRV (coro_current);
3001		3100
		3101	frame->destroy = 0;
		3102
3002	/* if we are about to throw, don't actually acquire the lock, just throw */	3103	/* if we are about to throw, don't actually acquire the lock, just throw */
3003	if (CORO_THROW)	3104	if (ecb_expect_false (CORO_THROW))
		3105	{
		3106	/* we still might be responsible for the semaphore, so wake up others */
		3107	coro_semaphore_adjust (aTHX_ av, 0);
		3108
3004	return 0;	3109	return 0;
		3110	}
3005	else if (SvIVX (count_sv) > 0)	3111	else if (SvIVX (count_sv) > 0)
3006	{	3112	{
3007	frame->destroy = 0;
3008
3009	if (acquire)	3113	if (acquire)
3010	SvIVX (count_sv) = SvIVX (count_sv) - 1;	3114	SvIVX (count_sv) = SvIVX (count_sv) - 1;
3011	else	3115	else
3012	coro_semaphore_adjust (aTHX_ av, 0);	3116	coro_semaphore_adjust (aTHX_ av, 0);
3013		3117
…		…
3124	{	3228	{
3125	api_ready (aTHX_ cb);	3229	api_ready (aTHX_ cb);
3126	sv_setiv (cb, 0); /* signal waiter */	3230	sv_setiv (cb, 0); /* signal waiter */
3127	}	3231	}
3128		3232
3129	SvREFCNT_dec (cb);	3233	SvREFCNT_dec_NN (cb);
3130		3234
3131	--count;	3235	--count;
3132	}	3236	}
3133	}	3237	}
3134		3238
…		…
3219	}	3323	}
3220		3324
3221	av_push (state, data_sv);	3325	av_push (state, data_sv);
3222		3326
3223	api_ready (aTHX_ coro);	3327	api_ready (aTHX_ coro);
3224	SvREFCNT_dec (coro);	3328	SvREFCNT_dec_NN (coro);
3225	SvREFCNT_dec ((AV *)state);	3329	SvREFCNT_dec_NN ((AV *)state);
3226	}	3330	}
3227		3331
3228	static int	3332	static int
3229	slf_check_aio_req (pTHX_ struct CoroSLF *frame)	3333	slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3230	{	3334	{
…		…
3235	/* it quickly returns */	3339	/* it quickly returns */
3236	if (CORO_THROW)	3340	if (CORO_THROW)
3237	return 0;	3341	return 0;
3238		3342
3239	/* one element that is an RV? repeat! */	3343	/* one element that is an RV? repeat! */
3240	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	3344	if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3241	return 1;	3345	return 1;
3242		3346
3243	/* restore status */	3347	/* restore status */
3244	{	3348	{
3245	SV *data_sv = av_pop (state);	3349	SV *data_sv = av_pop (state);
…		…
3248	errno = data->errorno;	3352	errno = data->errorno;
3249	PL_laststype = data->laststype;	3353	PL_laststype = data->laststype;
3250	PL_laststatval = data->laststatval;	3354	PL_laststatval = data->laststatval;
3251	PL_statcache = data->statcache;	3355	PL_statcache = data->statcache;
3252		3356
3253	SvREFCNT_dec (data_sv);	3357	SvREFCNT_dec_NN (data_sv);
3254	}	3358	}
3255		3359
3256	/* push result values */	3360	/* push result values */
3257	{	3361	{
3258	dSP;	3362	dSP;
…		…
3473		3577
3474	PROTOTYPES: DISABLE	3578	PROTOTYPES: DISABLE
3475		3579
3476	BOOT:	3580	BOOT:
3477	{	3581	{
		3582	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3583	#include "state.h"
3478	#ifdef USE_ITHREADS	3584	#ifdef USE_ITHREADS
3479	# if CORO_PTHREAD	3585	# if CORO_PTHREAD
3480	coro_thx = PERL_GET_CONTEXT;	3586	coro_thx = PERL_GET_CONTEXT;
3481	# endif	3587	# endif
3482	#endif	3588	#endif
3483	BOOT_PAGESIZE;
3484
3485	/* perl defines these to check for existance first, but why it doesn't */	3589	/* perl defines these to check for existance first, but why it doesn't */
3486	/* just create them one at init time is not clear to me, except for */	3590	/* just create them one at init time is not clear to me, except for */
3487	/* programs trying to delete them, but... */	3591	/* programs trying to delete them, but... */
3488	/* anyway, we declare this as invalid and make sure they are initialised here */	3592	/* anyway, we declare this as invalid and make sure they are initialised here */
3489	DEFSV;	3593	DEFSV;
…		…
3559	void	3663	void
3560	transfer (...)	3664	transfer (...)
3561	PROTOTYPE: $$	3665	PROTOTYPE: $$
3562	CODE:	3666	CODE:
3563	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3667	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3564
3565	void
3566	_exit (int code)
3567	PROTOTYPE: $
3568	CODE:
3569	_exit (code);
3570		3668
3571	SV *	3669	SV *
3572	clone (Coro::State coro)	3670	clone (Coro::State coro)
3573	CODE:	3671	CODE:
3574	{	3672	{
…		…
3876	coroapi.ready = api_ready;	3974	coroapi.ready = api_ready;
3877	coroapi.is_ready = api_is_ready;	3975	coroapi.is_ready = api_is_ready;
3878	coroapi.nready = coro_nready;	3976	coroapi.nready = coro_nready;
3879	coroapi.current = coro_current;	3977	coroapi.current = coro_current;
3880		3978
		3979	coroapi.enterleave_hook = api_enterleave_hook;
		3980	coroapi.enterleave_unhook = api_enterleave_unhook;
		3981	coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
		3982
3881	/GCoroAPI = &coroapi;/	3983	/GCoroAPI = &coroapi;/
3882	sv_setiv (sv, (IV)&coroapi);	3984	sv_setiv (sv, (IV)&coroapi);
3883	SvREADONLY_on (sv);	3985	SvREADONLY_on (sv);
3884	}	3986	}
3885	}	3987	}
…		…
3950		4052
3951	void	4053	void
3952	_set_current (SV *current)	4054	_set_current (SV *current)
3953	PROTOTYPE: $	4055	PROTOTYPE: $
3954	CODE:	4056	CODE:
3955	SvREFCNT_dec (SvRV (coro_current));	4057	SvREFCNT_dec_NN (SvRV (coro_current));
3956	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	4058	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3957		4059
3958	void	4060	void
3959	_set_readyhook (SV *hook)	4061	_set_readyhook (SV *hook)
3960	PROTOTYPE: $	4062	PROTOTYPE: $
…		…
4044		4146
4045	if ((SV *)hv == &PL_sv_undef)	4147	if ((SV *)hv == &PL_sv_undef)
4046	{	4148	{
4047	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);	4149	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
4048	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));	4150	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4049	SvREFCNT_dec (sv);	4151	SvREFCNT_dec_NN (sv);
4050	}	4152	}
4051		4153
4052	{	4154	{
4053	struct coro *coro = SvSTATE_hv (hv);	4155	struct coro *coro = SvSTATE_hv (hv);
4054		4156
…		…
4061	api_ready (aTHX_ (SV *)hv);	4163	api_ready (aTHX_ (SV *)hv);
4062		4164
4063	if (GIMME_V != G_VOID)	4165	if (GIMME_V != G_VOID)
4064	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	4166	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4065	else	4167	else
4066	SvREFCNT_dec (hv);	4168	SvREFCNT_dec_NN (hv);
4067	}	4169	}
4068		4170
4069	SV *	4171	SV *
4070	rouse_cb ()	4172	rouse_cb ()
4071	PROTOTYPE:	4173	PROTOTYPE:
…		…
4326	{	4428	{
4327	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;	4429	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4328	coro_old_pp_sselect = 0;	4430	coro_old_pp_sselect = 0;
4329	}	4431	}
4330		4432
		4433	MODULE = Coro::State PACKAGE = Coro::Util
		4434
		4435	void
		4436	_exit (int code)
		4437	CODE:
		4438	_exit (code);
		4439
		4440	NV
		4441	time ()
		4442	CODE:
		4443	RETVAL = nvtime (aTHX);
		4444	OUTPUT:
		4445	RETVAL
		4446
		4447	NV
		4448	gettimeofday ()
		4449	PPCODE:
		4450	{
		4451	UV tv [2];
		4452	u2time (aTHX_ tv);
		4453	EXTEND (SP, 2);
		4454	PUSHs (sv_2mortal (newSVuv (tv [0])));
		4455	PUSHs (sv_2mortal (newSVuv (tv [1])));
		4456	}
		4457

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Comparing Coro/Coro/State.xs (file contents): Revision 1.428 by root, Wed Dec 5 16:34:12 2012 UTC vs. Revision 1.451 by root, Mon Jun 29 23:49:34 2015 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.428 by root, Wed Dec 5 16:34:12 2012 UTC vs.
Revision 1.451 by root, Mon Jun 29 23:49:34 2015 UTC