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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.99 by root, Sun Nov 26 23:53:20 2006 UTC vs.
Revision 1.107 by root, Mon Nov 27 02:15:51 2006 UTC

…		…
4	#include "perl.h"	4	#include "perl.h"
5	#include "XSUB.h"	5	#include "XSUB.h"
6		6
7	#include "patchlevel.h"	7	#include "patchlevel.h"
8		8
9	#if PERL_VERSION < 6	9	#if USE_VALGRIND
		10	# include <valgrind/valgrind.h>
		11	#endif
		12
		13	#define PERL_VERSION_ATLEAST(a,b,c) \
		14	(PERL_REVISION > (a) \
		15	\|\| (PERL_REVISION == (a) \
		16	&& (PERL_VERSION > (b) \
		17	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))
		18
		19	#if !PERL_VERSION_ATLEAST (5,6,0)
10	# ifndef PL_ppaddr	20	# ifndef PL_ppaddr
11	# define PL_ppaddr ppaddr	21	# define PL_ppaddr ppaddr
12	# endif	22	# endif
13	# ifndef call_sv	23	# ifndef call_sv
14	# define call_sv perl_call_sv	24	# define call_sv perl_call_sv
…		…
52	# ifndef PAGESIZE	62	# ifndef PAGESIZE
53	# define PAGESIZE pagesize	63	# define PAGESIZE pagesize
54	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)	64	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
55	static long pagesize;	65	static long pagesize;
56	# else	66	# else
57	# define BOOT_PAGESIZE	67	# define BOOT_PAGESIZE (void)0
58	# endif	68	# endif
		69	#else
		70	# define PAGESIZE 0
		71	# define BOOT_PAGESIZE (void)0
59	#endif	72	#endif
60		73
61	/* The next macro should declare a variable stacklevel that contains and approximation	74	/* The next macro should declare a variable stacklevel that contains and approximation
62	* to the current C stack pointer. Its property is that it changes with each call	75	* to the current C stack pointer. Its property is that it changes with each call
63	* and should be unique. */	76	* and should be unique. */
64	#define dSTACKLEVEL int stacklevel	77	#define dSTACKLEVEL int stacklevel
65	#define STACKLEVEL ((void *)&stacklevel)	78	#define STACKLEVEL ((void *)&stacklevel)
66		79
67	#define IN_DESTRUCT (PL_main_cv == Nullcv)	80	#define IN_DESTRUCT (PL_main_cv == Nullcv)
		81
		82	#if __GNUC__ >= 3
		83	# define attribute(x) __attribute__(x)
		84	#else
		85	# define attribute(x)
		86	#endif
		87
		88	#define NOINLINE attribute ((noinline))
68		89
69	#include "CoroAPI.h"	90	#include "CoroAPI.h"
70		91
71	#define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */	92	#define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */
72		93
…		…
82	static struct CoroAPI coroapi;	103	static struct CoroAPI coroapi;
83	static AV main_mainstack; / used to differentiate between $main and others */	104	static AV main_mainstack; / used to differentiate between $main and others */
84	static HV coro_state_stash, coro_stash;	105	static HV coro_state_stash, coro_stash;
85	static SV coro_mortal; / will be freed after next transfer */	106	static SV coro_mortal; / will be freed after next transfer */
86		107
		108	static struct coro_cctx *cctx_first;
		109	static int cctx_count, cctx_idle;
		110
87	/* this is a structure representing a c-level coroutine */	111	/* this is a structure representing a c-level coroutine */
88	typedef struct coro_stack {	112	typedef struct coro_cctx {
89	struct coro_stack *next;	113	struct coro_cctx *next;
90		114
91	/* the stack */	115	/* the stack */
92	void *sptr;	116	void *sptr;
93	long ssize; /* positive == mmap, otherwise malloc */	117	long ssize; /* positive == mmap, otherwise malloc */
94		118
95	/* cpu state */	119	/* cpu state */
96	void idle_sp; / sp of top-level transfer/schedule/cede call */	120	void idle_sp; / sp of top-level transfer/schedule/cede call */
97	JMPENV *top_env;	121	JMPENV *top_env;
98	coro_context cctx;	122	coro_context cctx;
99	} coro_stack;	123
		124	#if USE_VALGRIND
		125	int valgrind_id;
		126	#endif
		127	} coro_cctx;
100		128
101	/* this is a structure representing a perl-level coroutine */	129	/* this is a structure representing a perl-level coroutine */
102	struct coro {	130	struct coro {
103	/* the c coroutine allocated to this perl coroutine, if any */	131	/* the c coroutine allocated to this perl coroutine, if any */
104	coro_stack *stack;	132	coro_cctx *cctx;
105		133
106	/* data associated with this coroutine (initial args) */	134	/* data associated with this coroutine (initial args) */
107	AV *args;	135	AV *args;
108	int refcnt;	136	int refcnt;
109		137
…		…
159	AV *padlist = CvPADLIST (cv);	187	AV *padlist = CvPADLIST (cv);
160	AV newpadlist, newpad;	188	AV newpadlist, newpad;
161		189
162	newpadlist = newAV ();	190	newpadlist = newAV ();
163	AvREAL_off (newpadlist);	191	AvREAL_off (newpadlist);
164	#if PERL_VERSION < 9	192	#if PERL_VERSION_ATLEAST (5,9,0)
		193	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		194	#else
165	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	195	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
166	#else
167	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
168	#endif	196	#endif
169	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	197	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
170	--AvFILLp (padlist);	198	--AvFILLp (padlist);
171		199
172	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	200	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
…		…
291	PL_scopestack_ix = c->scopestack_ix;	319	PL_scopestack_ix = c->scopestack_ix;
292	PL_scopestack_max = c->scopestack_max;	320	PL_scopestack_max = c->scopestack_max;
293	PL_savestack = c->savestack;	321	PL_savestack = c->savestack;
294	PL_savestack_ix = c->savestack_ix;	322	PL_savestack_ix = c->savestack_ix;
295	PL_savestack_max = c->savestack_max;	323	PL_savestack_max = c->savestack_max;
296	#if PERL_VERSION < 9	324	#if !PERL_VERSION_ATLEAST (5,9,0)
297	PL_retstack = c->retstack;	325	PL_retstack = c->retstack;
298	PL_retstack_ix = c->retstack_ix;	326	PL_retstack_ix = c->retstack_ix;
299	PL_retstack_max = c->retstack_max;	327	PL_retstack_max = c->retstack_max;
300	#endif	328	#endif
301	PL_curpm = c->curpm;	329	PL_curpm = c->curpm;
…		…
418	c->scopestack_ix = PL_scopestack_ix;	446	c->scopestack_ix = PL_scopestack_ix;
419	c->scopestack_max = PL_scopestack_max;	447	c->scopestack_max = PL_scopestack_max;
420	c->savestack = PL_savestack;	448	c->savestack = PL_savestack;
421	c->savestack_ix = PL_savestack_ix;	449	c->savestack_ix = PL_savestack_ix;
422	c->savestack_max = PL_savestack_max;	450	c->savestack_max = PL_savestack_max;
423	#if PERL_VERSION < 9	451	#if !PERL_VERSION_ATLEAST (5,9,0)
424	c->retstack = PL_retstack;	452	c->retstack = PL_retstack;
425	c->retstack_ix = PL_retstack_ix;	453	c->retstack_ix = PL_retstack_ix;
426	c->retstack_max = PL_retstack_max;	454	c->retstack_max = PL_retstack_max;
427	#endif	455	#endif
428	c->curpm = PL_curpm;	456	c->curpm = PL_curpm;
…		…
466		494
467	New(54,PL_savestack,96,ANY);	495	New(54,PL_savestack,96,ANY);
468	PL_savestack_ix = 0;	496	PL_savestack_ix = 0;
469	PL_savestack_max = 96;	497	PL_savestack_max = 96;
470		498
471	#if PERL_VERSION < 9	499	#if !PERL_VERSION_ATLEAST (5,9,0)
472	New(54,PL_retstack,8,OP*);	500	New(54,PL_retstack,8,OP*);
473	PL_retstack_ix = 0;	501	PL_retstack_ix = 0;
474	PL_retstack_max = 8;	502	PL_retstack_max = 8;
475	#endif	503	#endif
476	}	504	}
477		505
478	/*	506	/*
479	* destroy the stacks, the callchain etc...	507	* destroy the stacks, the callchain etc...
480	*/	508	*/
481	static void	509	static void
482	destroy_stacks()	510	coro_destroy_stacks ()
483	{	511	{
484	if (!IN_DESTRUCT)	512	if (!IN_DESTRUCT)
485	{	513	{
486	/* is this ugly, I ask? */	514	/* is this ugly, I ask? */
487	LEAVE_SCOPE (0);	515	LEAVE_SCOPE (0);
…		…
518		546
519	Safefree (PL_tmps_stack);	547	Safefree (PL_tmps_stack);
520	Safefree (PL_markstack);	548	Safefree (PL_markstack);
521	Safefree (PL_scopestack);	549	Safefree (PL_scopestack);
522	Safefree (PL_savestack);	550	Safefree (PL_savestack);
523	#if PERL_VERSION < 9	551	#if !PERL_VERSION_ATLEAST (5,9,0)
524	Safefree (PL_retstack);	552	Safefree (PL_retstack);
525	#endif	553	#endif
526	}	554	}
527		555
528	static void	556	static void
529	setup_coro (struct coro *coro)	557	setup_coro (struct coro *coro)
530	{	558	{
531	/*	559	/*
532	* emulate part of the perl startup here.	560	* emulate part of the perl startup here.
533	*/	561	*/
534	dTHX;
535	dSP;
536	UNOP myop;
537	SV sub_init = (SV )get_cv ("Coro::State::coro_init", FALSE);
538		562
539	coro_init_stacks ();	563	coro_init_stacks ();
		564
540	/PL_curcop = 0;/	565	PL_curcop = 0;
541	/PL_in_eval = PL_in_eval;/ /* inherit */	566	PL_in_eval = 0;
		567	PL_curpm = 0;
		568
		569	{
		570	dSP;
		571	LOGOP myop;
		572
		573	/* I have no idea why this is needed, but it is */
		574	PUSHMARK (SP);
		575
542	SvREFCNT_dec (GvAV (PL_defgv));	576	SvREFCNT_dec (GvAV (PL_defgv));
543	GvAV (PL_defgv) = coro->args; coro->args = 0;	577	GvAV (PL_defgv) = coro->args; coro->args = 0;
544		578
545	SPAGAIN;
546
547	Zero (&myop, 1, UNOP);	579	Zero (&myop, 1, LOGOP);
548	myop.op_next = Nullop;	580	myop.op_next = Nullop;
549	myop.op_flags = OPf_WANT_VOID;	581	myop.op_flags = OPf_WANT_VOID;
550		582
551	PL_op = (OP *)&myop;	583	PL_op = (OP *)&myop;
552		584
553	PUSHMARK(SP);	585	PUSHMARK (SP);
554	XPUSHs (sub_init);	586	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));
555	PUTBACK;	587	PUTBACK;
556	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	588	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
557	SPAGAIN;	589	SPAGAIN;
558		590
559	ENTER; /* necessary e.g. for dounwind */	591	ENTER; /* necessary e.g. for dounwind */
		592	}
560	}	593	}
561		594
562	static void	595	static void
563	free_coro_mortal ()	596	free_coro_mortal ()
564	{	597	{
…		…
567	SvREFCNT_dec (coro_mortal);	600	SvREFCNT_dec (coro_mortal);
568	coro_mortal = 0;	601	coro_mortal = 0;
569	}	602	}
570	}	603	}
571		604
572	static void	605	static void NOINLINE
573	prepare_cctx (coro_stack *cctx)	606	prepare_cctx (coro_cctx *cctx)
574	{	607	{
575	dSP;	608	dSP;
576	UNOP myop;	609	LOGOP myop;
577		610
578	Zero (&myop, 1, UNOP);	611	Zero (&myop, 1, LOGOP);
579	myop.op_next = PL_op;	612	myop.op_next = PL_op;
580	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	613	myop.op_flags = OPf_WANT_VOID;
581		614
		615	sv_setiv (get_sv ("Coro::State::_cctx", FALSE), PTR2IV (cctx));
		616
582	PUSHMARK(SP);	617	PUSHMARK (SP);
583	EXTEND (SP, 2);
584	PUSHs (newSViv (PTR2IV (cctx)));
585	PUSHs ((SV *)get_cv ("Coro::State::cctx_init", FALSE));	618	XPUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
586	PUTBACK;	619	PUTBACK;
587	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);	620	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);
588	SPAGAIN;	621	SPAGAIN;
589	}	622	}
590		623
591	static void	624	static void
592	coro_run (void *arg)	625	coro_run (void *arg)
593	{	626	{
		627	/* coro_run is the alternative epilogue of transfer() */
		628	UNLOCK;
		629
594	/*	630	/*
595	* this is a _very_ stripped down perl interpreter ;)	631	* this is a _very_ stripped down perl interpreter ;)
596	*/	632	*/
597	UNLOCK;
598
599	PL_top_env = &PL_start_env;	633	PL_top_env = &PL_start_env;
		634
		635	/* inject call to cctx_init */
600	prepare_cctx ((coro_stack *)arg);	636	prepare_cctx ((coro_cctx *)arg);
601		637
602	/* somebody will hit me for both perl_run and PL_restartop */	638	/* somebody will hit me for both perl_run and PL_restartop */
603	perl_run (PERL_GET_CONTEXT);	639	perl_run (PL_curinterp);
604		640
605	fputs ("FATAL: C coroutine fell over the edge of the world, aborting.\n", stderr);	641	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);
606	abort ();	642	abort ();
607	}	643	}
608		644
609	static coro_stack *	645	static coro_cctx *
610	stack_new ()	646	cctx_new ()
611	{	647	{
612	coro_stack *stack;	648	coro_cctx *cctx;
613		649
		650	++cctx_count;
		651
614	New (0, stack, 1, coro_stack);	652	New (0, cctx, 1, coro_cctx);
615		653
616	#if HAVE_MMAP	654	#if HAVE_MMAP
617		655
618	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	656	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;
619	/* mmap suppsedly does allocate-on-write for us */	657	/* mmap suppsedly does allocate-on-write for us */
620	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	658	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
621		659
622	if (stack->sptr == (void *)-1)	660	if (cctx->sptr == (void *)-1)
623	{	661	{
624	perror ("FATAL: unable to mmap stack for coroutine");	662	perror ("FATAL: unable to mmap stack for coroutine");
625	_exit (EXIT_FAILURE);	663	_exit (EXIT_FAILURE);
626	}	664	}
627		665
628	# if STACKGUARD	666	# if STACKGUARD
629	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	667	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
630	# endif	668	# endif
631		669
632	#else	670	#else
633		671
634	stack->ssize = STACKSIZE * (long)sizeof (long);	672	cctx->ssize = STACKSIZE * (long)sizeof (long);
635	New (0, stack->sptr, STACKSIZE, long);	673	New (0, cctx->sptr, STACKSIZE, long);
636		674
637	if (!stack->sptr)	675	if (!cctx->sptr)
638	{	676	{
639	perror (stderr, "FATAL: unable to malloc stack for coroutine");	677	perror ("FATAL: unable to malloc stack for coroutine");
640	_exit (EXIT_FAILURE);	678	_exit (EXIT_FAILURE);
641	}	679	}
642		680
643	#endif	681	#endif
644		682
		683	#if USE_VALGRIND
		684	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
		685	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
		686	cctx->ssize + (char *)cctx->sptr
		687	);
		688	#endif
		689
645	coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize);	690	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
646		691
647	return stack;	692	return cctx;
648	}	693	}
649		694
650	static void	695	static void
651	stack_free (coro_stack *stack)	696	cctx_free (coro_cctx *cctx)
652	{	697	{
653	if (!stack)	698	if (!cctx)
654	return;	699	return;
655		700
		701	--cctx_count;
		702
		703	#if USE_VALGRIND
		704	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
		705	#endif
		706
656	#if HAVE_MMAP	707	#if HAVE_MMAP
657	munmap (stack->sptr, stack->ssize);	708	munmap (cctx->sptr, cctx->ssize);
658	#else	709	#else
659	Safefree (stack->sptr);	710	Safefree (cctx->sptr);
660	#endif	711	#endif
661		712
662	Safefree (stack);	713	Safefree (cctx);
663	}	714	}
664		715
665	static coro_stack *stack_first;
666
667	static coro_stack *	716	static coro_cctx *
668	stack_get ()	717	cctx_get ()
669	{	718	{
670	coro_stack *stack;	719	coro_cctx *cctx;
671		720
672	if (stack_first)	721	if (cctx_first)
673	{	722	{
674	stack = stack_first;	723	--cctx_idle;
		724	cctx = cctx_first;
675	stack_first = stack->next;	725	cctx_first = cctx->next;
676	}	726	}
677	else	727	else
678	{	728	{
679	stack = stack_new ();	729	cctx = cctx_new ();
680	PL_op = PL_op->op_next;	730	PL_op = PL_op->op_next;
681	}	731	}
682		732
683	return stack;	733	return cctx;
684	}	734	}
685		735
686	static void	736	static void
687	stack_put (coro_stack *stack)	737	cctx_put (coro_cctx *cctx)
688	{	738	{
689	stack->next = stack_first;	739	++cctx_idle;
690	stack_first = stack;	740	cctx->next = cctx_first;
		741	cctx_first = cctx;
691	}	742	}
692		743
693	/* never call directly, always through the coro_state_transfer global variable */	744	/* never call directly, always through the coro_state_transfer global variable */
694	static void	745	static void NOINLINE
695	transfer_impl (struct coro prev, struct coro next, int flags)	746	transfer (struct coro prev, struct coro next, int flags)
696	{	747	{
697	dSTACKLEVEL;	748	dSTACKLEVEL;
698		749
699	/* sometimes transfer is only called to set idle_sp */	750	/* sometimes transfer is only called to set idle_sp */
700	if (flags == TRANSFER_SET_STACKLEVEL)	751	if (flags == TRANSFER_SET_STACKLEVEL)
701	((coro_stack *)prev)->idle_sp = STACKLEVEL;	752	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
702	else if (prev != next)	753	else if (prev != next)
703	{	754	{
704	coro_stack *prev__stack;	755	coro_cctx *prev__cctx;
705		756
706	LOCK;	757	LOCK;
707		758
708	if (next->mainstack)	759	if (next->mainstack)
709	{	760	{
…		…
717	/* first get rid of the old state */	768	/* first get rid of the old state */
718	SAVE (prev, -1);	769	SAVE (prev, -1);
719	/* setup coroutine call */	770	/* setup coroutine call */
720	setup_coro (next);	771	setup_coro (next);
721	/* need a stack */	772	/* need a stack */
722	next->stack = 0;	773	next->cctx = 0;
723	}	774	}
724		775
725	if (!prev->stack)	776	if (!prev->cctx)
726	/* create a new empty context */	777	/* create a new empty context */
727	Newz (0, prev->stack, 1, coro_stack);	778	Newz (0, prev->cctx, 1, coro_cctx);
728		779
729	prev__stack = prev->stack;	780	prev__cctx = prev->cctx;
730		781
731	/* possibly "free" the stack */	782	/* possibly "free" the cctx */
732	if (prev__stack->idle_sp == STACKLEVEL)	783	if (prev__cctx->idle_sp == STACKLEVEL)
733	{	784	{
734	stack_put (prev__stack);	785	cctx_put (prev__cctx);
735	prev->stack = 0;	786	prev->cctx = 0;
736	}	787	}
737		788
738	if (!next->stack)	789	if (!next->cctx)
739	next->stack = stack_get ();	790	next->cctx = cctx_get ();
740		791
741	if (prev__stack != next->stack)	792	if (prev__cctx != next->cctx)
742	{	793	{
743	prev__stack->top_env = PL_top_env;	794	prev__cctx->top_env = PL_top_env;
744	PL_top_env = next->stack->top_env;	795	PL_top_env = next->cctx->top_env;
745	coro_transfer (&prev__stack->cctx, &next->stack->cctx);	796	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
746	}	797	}
747		798
748	free_coro_mortal ();	799	free_coro_mortal ();
749		800
750	UNLOCK;	801	UNLOCK;
751	}	802	}
752	}	803	}
753
754	/* use this function pointer to call the above function */
755	/* this is done to increase chances of the compiler not inlining the call */
756	/* not static to make it even harder for the compiler (and theoretically impossible in most cases */
757	void (coro_state_transfer)(struct coro prev, struct coro *next, int flags) = transfer_impl;
758		804
759	struct transfer_args	805	struct transfer_args
760	{	806	{
761	struct coro prev, next;	807	struct coro prev, next;
762	int flags;	808	int flags;
763	};	809	};
764		810
765	#define TRANSFER(ta) coro_state_transfer ((ta).prev, (ta).next, (ta).flags)	811	#define TRANSFER(ta) transfer ((ta).prev, (ta).next, (ta).flags)
766		812
767	static void	813	static void
768	coro_state_destroy (struct coro *coro)	814	coro_state_destroy (struct coro *coro)
769	{	815	{
770	if (coro->refcnt--)	816	if (coro->refcnt--)
…		…
775	struct coro temp;	821	struct coro temp;
776		822
777	SAVE ((&temp), TRANSFER_SAVE_ALL);	823	SAVE ((&temp), TRANSFER_SAVE_ALL);
778	LOAD (coro);	824	LOAD (coro);
779		825
780	destroy_stacks ();	826	coro_destroy_stacks ();
781		827
782	LOAD ((&temp)); /* this will get rid of defsv etc.. */	828	LOAD ((&temp)); /* this will get rid of defsv etc.. */
783		829
784	coro->mainstack = 0;	830	coro->mainstack = 0;
785	}	831	}
786		832
787	stack_free (coro->stack);	833	cctx_free (coro->cctx);
788	SvREFCNT_dec (coro->args);	834	SvREFCNT_dec (coro->args);
789	Safefree (coro);	835	Safefree (coro);
790	}	836	}
791		837
792	static int	838	static int
…		…
808	++coro->refcnt;	854	++coro->refcnt;
809		855
810	return 0;	856	return 0;
811	}	857	}
812		858
813	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };	859	static MGVTBL coro_state_vtbl = {
		860	0, 0, 0, 0,
		861	coro_state_clear,
		862	0,
		863	#ifdef MGf_DUP
		864	coro_state_dup,
		865	#else
		866	# define MGf_DUP 0
		867	#endif
		868	};
814		869
815	static struct coro *	870	static struct coro *
816	SvSTATE (SV *coro)	871	SvSTATE (SV *coro)
817	{	872	{
818	HV *stash;	873	HV *stash;
…		…
1027	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1082	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1028	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1083	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1029		1084
1030	for (i = 1; i < items; i++)	1085	for (i = 1; i < items; i++)
1031	av_push (coro->args, newSVsv (ST (i)));	1086	av_push (coro->args, newSVsv (ST (i)));
1032
1033	/coro->mainstack = 0; //actual work is done inside transfer /
1034	/coro->stack = 0;/
1035	}	1087	}
1036	OUTPUT:	1088	OUTPUT:
1037	RETVAL	1089	RETVAL
1038		1090
1039	void	1091	void
…		…
1048	struct transfer_args ta;	1100	struct transfer_args ta;
1049		1101
1050	switch (ix)	1102	switch (ix)
1051	{	1103	{
1052	case 0:	1104	case 0:
1053	ta.prev = (struct coro )INT2PTR (coro_stack , SvIV (ST (0)));	1105	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1054	ta.next = 0;	1106	ta.next = 0;
1055	ta.flags = TRANSFER_SET_STACKLEVEL;	1107	ta.flags = TRANSFER_SET_STACKLEVEL;
1056	break;	1108	break;
1057		1109
1058	case 1:	1110	case 1:
…		…
1112	++coro_src->refcnt;	1164	++coro_src->refcnt;
1113	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;	1165	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;
1114	}	1166	}
1115		1167
1116	void	1168	void
1117	_nonlocal_goto (IV nextop)
1118	CODE:
1119	/* uuh, somebody will kill me again for this */
1120	PL_op->op_next = INT2PTR (OP *, nextop);
1121
1122	void
1123	_exit (code)	1169	_exit (code)
1124	int code	1170	int code
1125	PROTOTYPE: $	1171	PROTOTYPE: $
1126	CODE:	1172	CODE:
1127	_exit (code);	1173	_exit (code);
		1174
		1175	int
		1176	cctx_count ()
		1177	CODE:
		1178	RETVAL = cctx_count;
		1179	OUTPUT:
		1180	RETVAL
		1181
		1182	int
		1183	cctx_idle ()
		1184	CODE:
		1185	RETVAL = cctx_idle;
		1186	OUTPUT:
		1187	RETVAL
1128		1188
1129	MODULE = Coro::State PACKAGE = Coro	1189	MODULE = Coro::State PACKAGE = Coro
1130		1190
1131	BOOT:	1191	BOOT:
1132	{	1192	{

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Comparing Coro/Coro/State.xs (file contents): Revision 1.99 by root, Sun Nov 26 23:53:20 2006 UTC vs. Revision 1.107 by root, Mon Nov 27 02:15:51 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.99 by root, Sun Nov 26 23:53:20 2006 UTC vs.
Revision 1.107 by root, Mon Nov 27 02:15:51 2006 UTC