[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 1.449 by root, Sun Jun 21 17:02:49 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>
…		…
26	#ifndef SVs_PADSTALE	27	#ifndef SVs_PADSTALE
27	# define SVs_PADSTALE 0	28	# define SVs_PADSTALE 0
28	#endif	29	#endif
29		30
30	#ifdef PadARRAY	31	#ifdef PadARRAY
31	# define NEWPADAPI	32	# define NEWPADAPI 1
32	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))	33	# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
33	#else	34	#else
34	typedef AV PADNAMELIST;	35	typedef AV PADNAMELIST;
35	# if !PERL_VERSION_ATLEAST(5,8,0)	36	# if !PERL_VERSION_ATLEAST(5,8,0)
36	typedef AV PADLIST;	37	typedef AV PADLIST;
…		…
41	# define PadlistNAMES(pl) (*PadlistARRAY (pl))	42	# define PadlistNAMES(pl) (*PadlistARRAY (pl))
42	# define PadARRAY AvARRAY	43	# define PadARRAY AvARRAY
43	# define PadMAX AvFILLp	44	# define PadMAX AvFILLp
44	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))	45	# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
45	#endif	46	#endif
		47	#ifndef PadnamelistREFCNT
		48	# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
		49	#endif
		50	#ifndef PadnamelistREFCNT_dec
		51	# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
		52	#endif
		53
		54	/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
		55	/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
		56	#if PERL_VERSION_ATLEAST(5,19,0)
		57	# define SVt_BIND SVt_IV
		58	#endif
46		59
47	#if defined(_WIN32)	60	#if defined(_WIN32)
48	# undef HAS_GETTIMEOFDAY	61	# undef HAS_GETTIMEOFDAY
49	# undef setjmp	62	# undef setjmp
50	# undef longjmp	63	# undef longjmp
…		…
52	# define setjmp _setjmp /* deep magic */	65	# define setjmp _setjmp /* deep magic */
53	#else	66	#else
54	# include <inttypes.h> /* most portable stdint.h */	67	# include <inttypes.h> /* most portable stdint.h */
55	#endif	68	#endif
56		69
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 */	70	/* the maximum number of idle cctx that will be pooled */
85	static int cctx_max_idle = 4;	71	static int cctx_max_idle = 4;
86		72
87	#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)	73	#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
88	# define HAS_SCOPESTACK_NAME 1	74	# 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	75	#endif
98		76
99	/* prefer perl internal functions over our own? */	77	/* prefer perl internal functions over our own? */
100	#ifndef CORO_PREFER_PERL_FUNCTIONS	78	#ifndef CORO_PREFER_PERL_FUNCTIONS
101	# define CORO_PREFER_PERL_FUNCTIONS 0	79	# define CORO_PREFER_PERL_FUNCTIONS 0
…		…
192	typedef struct coro_cctx	170	typedef struct coro_cctx
193	{	171	{
194	struct coro_cctx *next;	172	struct coro_cctx *next;
195		173
196	/* the stack */	174	/* the stack */
197	void *sptr;	175	struct coro_stack stack;
198	size_t ssize;
199		176
200	/* cpu state */	177	/* cpu state */
201	void idle_sp; / sp of top-level transfer/schedule/cede call */	178	void idle_sp; / sp of top-level transfer/schedule/cede call */
202	#ifndef NDEBUG	179	#ifndef NDEBUG
203	JMPENV idle_te; / same as idle_sp, but for top_env */	180	JMPENV idle_te; / same as idle_sp, but for top_env */
…		…
312	#define coro_nready coroapi.nready	289	#define coro_nready coroapi.nready
313		290
314	/ JIT *******************************************************************/	291	/ JIT *******************************************************************/
315		292
316	#if CORO_JIT	293	#if CORO_JIT
317	/* APPLE doesn't have HAVE_MMAP though */	294	/* APPLE doesn't have mmap though */
318	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)	295	#define CORO_JIT_UNIXY (__linux \|\| __FreeBSD__ \|\| __OpenBSD__ \|\| __NetBSD__ \|\| __solaris \|\| __APPLE__)
319	#ifndef CORO_JIT_TYPE	296	#ifndef CORO_JIT_TYPE
320	#if __x86_64 && CORO_JIT_UNIXY	297	#if ECB_AMD64 && CORO_JIT_UNIXY
321	#define CORO_JIT_TYPE "amd64-unix"	298	#define CORO_JIT_TYPE "amd64-unix"
322	#elif __i386 && CORO_JIT_UNIXY	299	#elif __i386 && CORO_JIT_UNIXY
323	#define CORO_JIT_TYPE "x86-unix"	300	#define CORO_JIT_TYPE "x86-unix"
324	#endif	301	#endif
325	#endif	302	#endif
326	#endif	303	#endif
327		304
328	#if !defined(CORO_JIT_TYPE) \|\| !HAVE_MMAP	305	#if !defined(CORO_JIT_TYPE) \|\| _POSIX_MEMORY_PROTECTION <= 0
329	#undef CORO_JIT	306	#undef CORO_JIT
330	#endif	307	#endif
331		308
332	#if CORO_JIT	309	#if CORO_JIT
333	typedef void (load_save_perl_slots_type)(perl_slots );	310	typedef void (load_save_perl_slots_type)(perl_slots );
…		…
546	ecb_inline PADLIST *	523	ecb_inline PADLIST *
547	coro_derive_padlist (pTHX_ CV *cv)	524	coro_derive_padlist (pTHX_ CV *cv)
548	{	525	{
549	PADLIST *padlist = CvPADLIST (cv);	526	PADLIST *padlist = CvPADLIST (cv);
550	PADLIST *newpadlist;	527	PADLIST *newpadlist;
		528	PADNAMELIST *padnames;
551	PAD *newpad;	529	PAD *newpad;
552	PADOFFSET const off = PadlistMAX (padlist) + 1;	530	PADOFFSET off = PadlistMAX (padlist) + 1;
553		531
554	newPADLIST(newpadlist);	532	#if NEWPADAPI
555	#if !PERL_VERSION_ATLEAST(5,15,3)	533
556	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */	534	/* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
557	AvREAL_off (newpadlist);	535	/* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
558	#endif	536	while (!PadlistARRAY (padlist)[off - 1])
		537	--off;
		538
		539	Perl_pad_push (aTHX_ padlist, off);
		540
		541	newpad = PadlistARRAY (padlist)[off];
		542	PadlistARRAY (padlist)[off] = 0;
		543
		544	#else
		545
559	#if PERL_VERSION_ATLEAST (5,10,0)	546	#if PERL_VERSION_ATLEAST (5,10,0)
560	Perl_pad_push (aTHX_ padlist, off);	547	Perl_pad_push (aTHX_ padlist, off);
561	#else	548	#else
562	Perl_pad_push (aTHX_ padlist, off, 1);	549	Perl_pad_push (aTHX_ padlist, off, 1);
563	#endif	550	#endif
		551
564	newpad = PadlistARRAY (padlist)[off];	552	newpad = PadlistARRAY (padlist)[off];
565	PadlistMAX (padlist) = off - 1;	553	PadlistMAX (padlist) = off - 1;
566		554
		555	#endif
		556
		557	newPADLIST (newpadlist);
		558	#if !PERL_VERSION_ATLEAST(5,15,3)
		559	/* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
		560	AvREAL_off (newpadlist);
		561	#endif
		562
567	/* Already extended to 2 elements by newPADLIST. */	563	/* Already extended to 2 elements by newPADLIST. */
568	PadlistMAX (newpadlist) = 1;	564	PadlistMAX (newpadlist) = 1;
569	PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));	565
		566	padnames = PadlistNAMES (padlist);
		567	++PadnamelistREFCNT (padnames);
		568	PadlistNAMES (newpadlist) = padnames;
		569
570	PadlistARRAY (newpadlist)[1] = newpad;	570	PadlistARRAY (newpadlist)[1] = newpad;
571		571
572	return newpadlist;	572	return newpadlist;
573	}	573	}
574		574
…		…
582		582
583	while (i > 0) /* special-case index 0 */	583	while (i > 0) /* special-case index 0 */
584	{	584	{
585	/* we try to be extra-careful here */	585	/* we try to be extra-careful here */
586	PAD *pad = PadlistARRAY (padlist)[i--];	586	PAD *pad = PadlistARRAY (padlist)[i--];
		587
		588	if (pad)
		589	{
587	I32 j = PadMAX (pad);	590	I32 j = PadMAX (pad);
588		591
589	while (j >= 0)	592	while (j >= 0)
590	SvREFCNT_dec (PadARRAY (pad)[j--]);	593	SvREFCNT_dec (PadARRAY (pad)[j--]);
591		594
592	PadMAX (pad) = -1;	595	PadMAX (pad) = -1;
593	SvREFCNT_dec (pad);	596	SvREFCNT_dec (pad);
		597	}
594	}	598	}
595		599
596	SvREFCNT_dec (PadlistNAMES (padlist));	600	PadnamelistREFCNT_dec (PadlistNAMES (padlist));
597		601
598	#ifdef NEWPADAPI	602	#if NEWPADAPI
599	Safefree (PadlistARRAY (padlist));	603	Safefree (PadlistARRAY (padlist));
600	Safefree (padlist);	604	Safefree (padlist);
601	#else	605	#else
602	AvFILLp (padlist) = -1;	606	AvFILLp (padlist) = -1;
603	AvREAL_off (padlist);	607	AvREAL_off (padlist);
…		…
1145		1149
1146	GvSV (PL_defgv) = newSV (0);	1150	GvSV (PL_defgv) = newSV (0);
1147	GvAV (PL_defgv) = coro->args; coro->args = 0;	1151	GvAV (PL_defgv) = coro->args; coro->args = 0;
1148	GvSV (PL_errgv) = newSV (0);	1152	GvSV (PL_errgv) = newSV (0);
1149	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1153	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1150	GvHV (PL_hintgv) = 0;	1154	GvHV (PL_hintgv) = newHV ();
		1155	#if PERL_VERSION_ATLEAST (5,10,0)
		1156	hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
		1157	#endif
1151	PL_rs = newSVsv (GvSV (irsgv));	1158	PL_rs = newSVsv (GvSV (irsgv));
1152	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1159	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1153		1160
1154	{	1161	{
1155	dSP;	1162	dSP;
…		…
1337		1344
1338	if (PL_curcop != &PL_compiling)	1345	if (PL_curcop != &PL_compiling)
1339	{	1346	{
1340	SV **cb;	1347	SV **cb;
1341		1348
1342	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)	1349	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1343	{	1350	{
1344	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1351	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1345		1352
1346	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1353	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1347	{	1354	{
…		…
1519	static coro_cctx *	1526	static coro_cctx *
1520	cctx_new_empty (void)	1527	cctx_new_empty (void)
1521	{	1528	{
1522	coro_cctx *cctx = cctx_new ();	1529	coro_cctx *cctx = cctx_new ();
1523		1530
1524	cctx->sptr = 0;	1531	cctx->stack.sptr = 0;
1525	coro_create (&cctx->cctx, 0, 0, 0, 0);	1532	coro_create (&cctx->cctx, 0, 0, 0, 0);
1526		1533
1527	return cctx;	1534	return cctx;
1528	}	1535	}
1529		1536
1530	/* create a new cctx suitable as destination/running a perl interpreter */	1537	/* create a new cctx suitable as destination/running a perl interpreter */
1531	static coro_cctx *	1538	static coro_cctx *
1532	cctx_new_run (void)	1539	cctx_new_run (void)
1533	{	1540	{
1534	coro_cctx *cctx = cctx_new ();	1541	coro_cctx *cctx = cctx_new ();
1535	void *stack_start;
1536	size_t stack_size;
1537		1542
1538	#if CORO_FIBER	1543	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	{	1544	{
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.");	1545	perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1568	_exit (EXIT_FAILURE);	1546	_exit (EXIT_FAILURE);
1569	}
1570
1571	stack_start = cctx->sptr;
1572	stack_size = cctx->ssize;
1573	}	1547	}
1574	#endif
1575		1548
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);	1549	coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1581		1550
1582	return cctx;	1551	return cctx;
1583	}	1552	}
1584		1553
1585	static void	1554	static void
…		…
1591	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));	1560	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1592		1561
1593	--cctx_count;	1562	--cctx_count;
1594	coro_destroy (&cctx->cctx);	1563	coro_destroy (&cctx->cctx);
1595		1564
1596	/* coro_transfer creates new, empty cctx's */	1565	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		1566
1611	Safefree (cctx);	1567	Safefree (cctx);
1612	}	1568	}
1613		1569
1614	/* wether this cctx should be destructed */	1570	/* wether this cctx should be destructed */
…		…
1633	}	1589	}
1634		1590
1635	static void	1591	static void
1636	cctx_put (coro_cctx *cctx)	1592	cctx_put (coro_cctx *cctx)
1637	{	1593	{
1638	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));	1594	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1639		1595
1640	/* free another cctx if overlimit */	1596	/* free another cctx if overlimit */
1641	if (ecb_expect_false (cctx_idle >= cctx_max_idle))	1597	if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1642	{	1598	{
1643	coro_cctx *first = cctx_first;	1599	coro_cctx *first = cctx_first;
…		…
1975	/* nothing to schedule: call the idle handler */	1931	/* nothing to schedule: call the idle handler */
1976	if (SvROK (sv_idle)	1932	if (SvROK (sv_idle)
1977	&& SvOBJECT (SvRV (sv_idle)))	1933	&& SvOBJECT (SvRV (sv_idle)))
1978	{	1934	{
1979	if (SvRV (sv_idle) == SvRV (coro_current))	1935	if (SvRV (sv_idle) == SvRV (coro_current))
		1936	{
		1937	require_pv ("Carp");
		1938
		1939	{
		1940	dSP;
		1941
		1942	ENTER;
		1943	SAVETMPS;
		1944
		1945	PUSHMARK (SP);
1980	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");	1946	XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
		1947	PUTBACK;
		1948	call_pv ("Carp::confess", G_VOID \| G_DISCARD);
		1949
		1950	FREETMPS;
		1951	LEAVE;
		1952	}
		1953	}
1981		1954
1982	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	1955	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1983	api_ready (aTHX_ SvRV (sv_idle));	1956	api_ready (aTHX_ SvRV (sv_idle));
1984	--coro_nready;	1957	--coro_nready;
1985	}	1958	}
…		…
2183	AV *od = coro->on_destroy;	2156	AV *od = coro->on_destroy;
2184		2157
2185	if (!od)	2158	if (!od)
2186	return;	2159	return;
2187		2160
		2161	coro->on_destroy = 0;
		2162	sv_2mortal ((SV *)od);
		2163
2188	while (AvFILLp (od) >= 0)	2164	while (AvFILLp (od) >= 0)
2189	{	2165	{
2190	SV *cb = sv_2mortal (av_pop (od));	2166	SV *cb = sv_2mortal (av_pop (od));
2191		2167
2192	/* coro hv's (and only hv's at the moment) are supported as well */	2168	/* coro hv's (and only hv's at the moment) are supported as well */
…		…
2286	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);	2262	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2287	}	2263	}
2288	else	2264	else
2289	{	2265	{
2290	struct coro *self = SvSTATE_current;	2266	struct coro *self = SvSTATE_current;
		2267
		2268	if (!self)
		2269	croak ("Coro::cancel called outside of thread content,");
2291		2270
2292	/* otherwise we cancel directly, purely for speed reasons	2271	/* otherwise we cancel directly, purely for speed reasons
2293	* unfortunately, this requires some magic trickery, as	2272	* unfortunately, this requires some magic trickery, as
2294	* somebody else could cancel us, so we have to fight the cancellation.	2273	* somebody else could cancel us, so we have to fight the cancellation.
2295	* this is ugly, and hopefully fully worth the extra speed.	2274	* this is ugly, and hopefully fully worth the extra speed.
…		…
2637		2616
2638	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */	2617	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2639	static void	2618	static void
2640	slf_destroy (pTHX_ struct coro *coro)	2619	slf_destroy (pTHX_ struct coro *coro)
2641	{	2620	{
2642	/* this callback is reserved for slf functions needing to do cleanup */	2621	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		2622
2646	/*	2623	/*
2647	* The on_destroy above most likely is from an SLF call.	2624	* The on_destroy below most likely is from an SLF call.
2648	* Since by definition the SLF call will not finish when we destroy	2625	* Since by definition the SLF call will not finish when we destroy
2649	* the coro, we will have to force-finish it here, otherwise	2626	* the coro, we will have to force-finish it here, otherwise
2650	* cleanup functions cannot call SLF functions.	2627	* cleanup functions cannot call SLF functions.
2651	*/	2628	*/
2652	coro->slf_frame.prepare = 0;	2629	coro->slf_frame.prepare = 0;
		2630
		2631	/* this callback is reserved for slf functions needing to do cleanup */
		2632	if (frame.destroy && frame.prepare && !PL_dirty)
		2633	frame.destroy (aTHX_ &frame);
2653	}	2634	}
2654		2635
2655	/*	2636	/*
2656	* these not obviously related functions are all rolled into one	2637	* these not obviously related functions are all rolled into one
2657	* function to increase chances that they all will call transfer with the same	2638	* function to increase chances that they all will call transfer with the same
…		…
2997	{	2978	{
2998	AV av = (AV )frame->data;	2979	AV av = (AV )frame->data;
2999	SV *count_sv = AvARRAY (av)[0];	2980	SV *count_sv = AvARRAY (av)[0];
3000	SV *coro_hv = SvRV (coro_current);	2981	SV *coro_hv = SvRV (coro_current);
3001		2982
		2983	frame->destroy = 0;
		2984
3002	/* if we are about to throw, don't actually acquire the lock, just throw */	2985	/* if we are about to throw, don't actually acquire the lock, just throw */
3003	if (CORO_THROW)	2986	if (ecb_expect_false (CORO_THROW))
		2987	{
		2988	/* we still might be responsible for the semaphore, so wake up others */
		2989	coro_semaphore_adjust (aTHX_ av, 0);
		2990
3004	return 0;	2991	return 0;
		2992	}
3005	else if (SvIVX (count_sv) > 0)	2993	else if (SvIVX (count_sv) > 0)
3006	{	2994	{
3007	frame->destroy = 0;
3008
3009	if (acquire)	2995	if (acquire)
3010	SvIVX (count_sv) = SvIVX (count_sv) - 1;	2996	SvIVX (count_sv) = SvIVX (count_sv) - 1;
3011	else	2997	else
3012	coro_semaphore_adjust (aTHX_ av, 0);	2998	coro_semaphore_adjust (aTHX_ av, 0);
3013		2999
…		…
3235	/* it quickly returns */	3221	/* it quickly returns */
3236	if (CORO_THROW)	3222	if (CORO_THROW)
3237	return 0;	3223	return 0;
3238		3224
3239	/* one element that is an RV? repeat! */	3225	/* one element that is an RV? repeat! */
3240	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	3226	if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3241	return 1;	3227	return 1;
3242		3228
3243	/* restore status */	3229	/* restore status */
3244	{	3230	{
3245	SV *data_sv = av_pop (state);	3231	SV *data_sv = av_pop (state);
…		…
3473		3459
3474	PROTOTYPES: DISABLE	3460	PROTOTYPES: DISABLE
3475		3461
3476	BOOT:	3462	BOOT:
3477	{	3463	{
		3464	#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
		3465	#include "state.h"
3478	#ifdef USE_ITHREADS	3466	#ifdef USE_ITHREADS
3479	# if CORO_PTHREAD	3467	# if CORO_PTHREAD
3480	coro_thx = PERL_GET_CONTEXT;	3468	coro_thx = PERL_GET_CONTEXT;
3481	# endif	3469	# endif
3482	#endif	3470	#endif
3483	BOOT_PAGESIZE;
3484
3485	/* perl defines these to check for existance first, but why it doesn't */	3471	/* 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 */	3472	/* just create them one at init time is not clear to me, except for */
3487	/* programs trying to delete them, but... */	3473	/* programs trying to delete them, but... */
3488	/* anyway, we declare this as invalid and make sure they are initialised here */	3474	/* anyway, we declare this as invalid and make sure they are initialised here */
3489	DEFSV;	3475	DEFSV;
…		…
3559	void	3545	void
3560	transfer (...)	3546	transfer (...)
3561	PROTOTYPE: $$	3547	PROTOTYPE: $$
3562	CODE:	3548	CODE:
3563	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3549	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3564
3565	void
3566	_exit (int code)
3567	PROTOTYPE: $
3568	CODE:
3569	_exit (code);
3570		3550
3571	SV *	3551	SV *
3572	clone (Coro::State coro)	3552	clone (Coro::State coro)
3573	CODE:	3553	CODE:
3574	{	3554	{
…		…
4326	{	4306	{
4327	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;	4307	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4328	coro_old_pp_sselect = 0;	4308	coro_old_pp_sselect = 0;
4329	}	4309	}
4330		4310
		4311	MODULE = Coro::State PACKAGE = Coro::Util
		4312
		4313	void
		4314	_exit (int code)
		4315	CODE:
		4316	_exit (code);
		4317
		4318	NV
		4319	time ()
		4320	CODE:
		4321	RETVAL = nvtime (aTHX);
		4322	OUTPUT:
		4323	RETVAL
		4324
		4325	NV
		4326	gettimeofday ()
		4327	PPCODE:
		4328	{
		4329	UV tv [2];
		4330	u2time (aTHX_ tv);
		4331	EXTEND (SP, 2);
		4332	PUSHs (sv_2mortal (newSVuv (tv [0])));
		4333	PUSHs (sv_2mortal (newSVuv (tv [1])));
		4334	}
		4335

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.428 by root, Wed Dec 5 16:34:12 2012 UTC vs. Revision 1.449 by root, Sun Jun 21 17:02:49 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 1.449 by root, Sun Jun 21 17:02:49 2015 UTC