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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.71 by root, Wed Jan 25 21:43:58 2006 UTC vs.
Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC

…		…
28	# define IS_PADCONST(v) 0	28	# define IS_PADCONST(v) 0
29	# endif	29	# endif
30	#endif	30	#endif
31		31
32	#include <errno.h>	32	#include <errno.h>
33	#include <signal.h>	33
		34	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
		35	# undef STACKGUARD
		36	#endif
		37
		38	#ifndef STACKGUARD
		39	# define STACKGUARD 0
		40	#endif
34		41
35	#ifdef HAVE_MMAP	42	#ifdef HAVE_MMAP
36	# include <unistd.h>	43	# include <unistd.h>
37	# include <sys/mman.h>	44	# include <sys/mman.h>
38	# ifndef MAP_ANONYMOUS	45	# ifndef MAP_ANONYMOUS
…		…
40	# define MAP_ANONYMOUS MAP_ANON	47	# define MAP_ANONYMOUS MAP_ANON
41	# else	48	# else
42	# undef HAVE_MMAP	49	# undef HAVE_MMAP
43	# endif	50	# endif
44	# endif	51	# endif
		52	# include <limits.h>
		53	# ifndef PAGESIZE
		54	# define PAGESIZE pagesize
		55	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
		56	static long pagesize;
		57	# else
		58	# define BOOT_PAGESIZE
45	#endif	59	# endif
		60	#endif
46		61
47	#define SUB_INIT "Coro::State::initialize"	62	#define SUB_INIT "Coro::State::initialize"
48	#define UCORO_STATE "_coro_state"
49		63
50	/* The next macro should declare a variable stacklevel that contains and approximation	64	/* The next macro should declare a variable stacklevel that contains and approximation
51	* to the current C stack pointer. Its property is that it changes with each call	65	* to the current C stack pointer. Its property is that it changes with each call
52	* and should be unique. */	66	* and should be unique. */
53	#define dSTACKLEVEL void *stacklevel = &stacklevel	67	#define dSTACKLEVEL void *stacklevel = &stacklevel
…		…
67	# define UNLOCK (void)0	81	# define UNLOCK (void)0
68	#endif	82	#endif
69		83
70	static struct CoroAPI coroapi;	84	static struct CoroAPI coroapi;
71	static AV main_mainstack; / used to differentiate between $main and others */	85	static AV main_mainstack; / used to differentiate between $main and others */
72	static HV *coro_state_stash;	86	static HV coro_state_stash, coro_stash;
73	static SV *ucoro_state_sv;
74	static U32 ucoro_state_hash;
75	static SV coro_mortal; / will be freed after next transfer */	87	static SV coro_mortal; / will be freed after next transfer */
76		88
77	/* this is actually not only the c stack but also c registers etc... */	89	/* this is actually not just the c stack but also c registers etc... */
78	typedef struct {	90	typedef struct coro_stack {
79	int refcnt; /* pointer reference counter */	91	struct coro_stack *next;
80	int usecnt; /* shared by how many coroutines */
81	int gencnt; /* generation counter */
82		92
83	coro_context cctx;	93	void *idle_sp;
84
85	void *sptr;	94	void *sptr;
86	long ssize; /* positive == mmap, otherwise malloc */	95	long ssize; /* positive == mmap, otherwise malloc */
		96
		97	/* cpu state */
		98	coro_context cctx;
87	} coro_stack;	99	} coro_stack;
88		100
		101	static coro_stack *main_stack;
		102
89	struct coro {	103	struct coro {
90	/* the top-level JMPENV for each coroutine, needed to catch dies. */
91	JMPENV start_env;
92
93	/* the optional C context */
94	coro_stack *stack;
95	void *cursp;
96	int gencnt;
97
98	/* optionally saved, might be zero */	104	/* optionally saved, might be zero */
99	AV *defav;	105	AV *defav;
100	SV *defsv;	106	SV *defsv;
101	SV *errsv;	107	SV *errsv;
102		108
103	/* saved global state not related to stacks */	109	/* saved global state not related to stacks */
104	U8 dowarn;	110	U8 dowarn;
105	I32 in_eval;	111	I32 in_eval;
		112
		113	/* the c stack, if any */
		114	coro_stack *stack;
106		115
107	/* the stacks and related info (callchain etc..) */	116	/* the stacks and related info (callchain etc..) */
108	PERL_SI *curstackinfo;	117	PERL_SI *curstackinfo;
109	AV *curstack;	118	AV *curstack;
110	AV *mainstack;	119	AV *mainstack;
…		…
133	I32 retstack_max;	142	I32 retstack_max;
134	PMOP *curpm;	143	PMOP *curpm;
135	COP *curcop;	144	COP *curcop;
136	JMPENV *top_env;	145	JMPENV *top_env;
137		146
		147	/* coro process data */
		148	int prio;
		149
138	/* data associated with this coroutine (initial args) */	150	/* data associated with this coroutine (initial args) */
139	AV *args;	151	AV *args;
		152	int refcnt;
140	};	153	};
141		154
142	typedef struct coro *Coro__State;	155	typedef struct coro *Coro__State;
143	typedef struct coro *Coro__State_or_hashref;	156	typedef struct coro *Coro__State_or_hashref;
144		157
145	/* mostly copied from op.c:cv_clone2 */	158	static AV *
146	STATIC AV *	159	coro_clone_padlist (pTHX_ CV *cv)
147	clone_padlist (pTHX_ AV *protopadlist)
148	{	160	{
149	AV *av;	161	AV *padlist = CvPADLIST (cv);
150	I32 ix;
151	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
152	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
153	SV **pname = AvARRAY (protopad_name);
154	SV **ppad = AvARRAY (protopad);
155	I32 fname = AvFILLp (protopad_name);
156	I32 fpad = AvFILLp (protopad);
157	AV newpadlist, newpad_name, *newpad;	162	AV newpadlist, newpad;
158	SV **npad;
159
160	newpad_name = newAV ();
161	for (ix = fname; ix >= 0; ix--)
162	av_store (newpad_name, ix, SvREFCNT_inc (pname[ix]));
163
164	newpad = newAV ();
165	av_fill (newpad, AvFILLp (protopad));
166	npad = AvARRAY (newpad);
167		163
168	newpadlist = newAV ();	164	newpadlist = newAV ();
169	AvREAL_off (newpadlist);	165	AvREAL_off (newpadlist);
170	av_store (newpadlist, 0, (SV *) newpad_name);	166	#if PERL_VERSION < 9
		167	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		168	#else
		169	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		170	#endif
		171	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		172	--AvFILLp (padlist);
		173
		174	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
171	av_store (newpadlist, 1, (SV *) newpad);	175	av_store (newpadlist, 1, (SV *)newpad);
172
173	av = newAV (); /* will be @_ */
174	av_extend (av, 0);
175	av_store (newpad, 0, (SV *) av);
176	AvREIFY_on (av);
177
178	for (ix = fpad; ix > 0; ix--)
179	{
180	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
181
182	if (namesv && namesv != &PL_sv_undef)
183	{
184	char name = SvPVX (namesv); / XXX */
185
186	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
187	{ /* lexical from outside? */
188	npad[ix] = SvREFCNT_inc (ppad[ix]);
189	}
190	else
191	{ /* our own lexical */
192	SV *sv;
193	if (*name == '&')
194	sv = SvREFCNT_inc (ppad[ix]);
195	else if (*name == '@')
196	sv = (SV *) newAV ();
197	else if (*name == '%')
198	sv = (SV *) newHV ();
199	else
200	sv = NEWSV (0, 0);
201
202	#ifdef SvPADBUSY
203	if (!SvPADBUSY (sv))
204	#endif
205	SvPADMY_on (sv);
206
207	npad[ix] = sv;
208	}
209	}
210	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
211	{
212	npad[ix] = SvREFCNT_inc (ppad[ix]);
213	}
214	else
215	{
216	SV *sv = NEWSV (0, 0);
217	SvPADTMP_on (sv);
218	npad[ix] = sv;
219	}
220	}
221
222	#if 0 /* return -ENOTUNDERSTOOD */
223	/* Now that vars are all in place, clone nested closures. */
224
225	for (ix = fpad; ix > 0; ix--) {
226	SV* namesv = (ix <= fname) ? pname[ix] : Nullsv;
227	if (namesv
228	&& namesv != &PL_sv_undef
229	&& !(SvFLAGS(namesv) & SVf_FAKE)
230	&& *SvPVX(namesv) == '&'
231	&& CvCLONE(ppad[ix]))
232	{
233	CV kid = cv_clone((CV)ppad[ix]);
234	SvREFCNT_dec(ppad[ix]);
235	CvCLONE_on(kid);
236	SvPADMY_on(kid);
237	npad[ix] = (SV*)kid;
238	}
239	}
240	#endif
241		176
242	return newpadlist;	177	return newpadlist;
243	}	178	}
244		179
245	STATIC void	180	static void
246	free_padlist (pTHX_ AV *padlist)	181	free_padlist (pTHX_ AV *padlist)
247	{	182	{
248	/* may be during global destruction */	183	/* may be during global destruction */
249	if (SvREFCNT (padlist))	184	if (SvREFCNT (padlist))
250	{	185	{
…		…
264		199
265	SvREFCNT_dec ((SV*)padlist);	200	SvREFCNT_dec ((SV*)padlist);
266	}	201	}
267	}	202	}
268		203
269	STATIC int	204	static int
270	coro_cv_free (pTHX_ SV sv, MAGIC mg)	205	coro_cv_free (pTHX_ SV sv, MAGIC mg)
271	{	206	{
272	AV *padlist;	207	AV *padlist;
273	AV av = (AV )mg->mg_obj;	208	AV av = (AV )mg->mg_obj;
274		209
275	/* casting is fun. */	210	/* casting is fun. */
276	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	211	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
277	free_padlist (aTHX_ padlist);	212	free_padlist (aTHX_ padlist);
278		213
279	SvREFCNT_dec (av);	214	SvREFCNT_dec (av);
		215
		216	return 0;
280	}	217	}
281		218
282	#define PERL_MAGIC_coro PERL_MAGIC_ext	219	#define PERL_MAGIC_coro PERL_MAGIC_ext
283		220
284	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	221	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
285		222
286	/* the next two functions merely cache the padlists */	223	/* the next two functions merely cache the padlists */
287	STATIC void	224	static void
288	get_padlist (pTHX_ CV *cv)	225	get_padlist (pTHX_ CV *cv)
289	{	226	{
290	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	227	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
291		228
292	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	229	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
293	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	230	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
294	else	231	else
		232	{
		233	#if 0
		234	/* this should work - but it doesn't :( */
		235	CV *cp = Perl_cv_clone (aTHX_ cv);
		236	CvPADLIST (cv) = CvPADLIST (cp);
		237	CvPADLIST (cp) = 0;
		238	SvREFCNT_dec (cp);
		239	#else
295	CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));	240	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		241	#endif
		242	}
296	}	243	}
297		244
298	STATIC void	245	static void
299	put_padlist (pTHX_ CV *cv)	246	put_padlist (pTHX_ CV *cv)
300	{	247	{
301	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	248	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
302		249
303	if (!mg)	250	if (!mg)
…		…
346	PL_scopestack_ix = c->scopestack_ix;	293	PL_scopestack_ix = c->scopestack_ix;
347	PL_scopestack_max = c->scopestack_max;	294	PL_scopestack_max = c->scopestack_max;
348	PL_savestack = c->savestack;	295	PL_savestack = c->savestack;
349	PL_savestack_ix = c->savestack_ix;	296	PL_savestack_ix = c->savestack_ix;
350	PL_savestack_max = c->savestack_max;	297	PL_savestack_max = c->savestack_max;
351	#ifdef PL_retstack	298	#if PERL_VERSION < 9
352	PL_retstack = c->retstack;	299	PL_retstack = c->retstack;
353	PL_retstack_ix = c->retstack_ix;	300	PL_retstack_ix = c->retstack_ix;
354	PL_retstack_max = c->retstack_max;	301	PL_retstack_max = c->retstack_max;
355	#endif	302	#endif
356	PL_curpm = c->curpm;	303	PL_curpm = c->curpm;
…		…
420	}	367	}
421		368
422	PUSHs ((SV *)CvPADLIST(cv));	369	PUSHs ((SV *)CvPADLIST(cv));
423	PUSHs ((SV *)cv);	370	PUSHs ((SV *)cv);
424		371
425	get_padlist (aTHX_ cv); /* this is a monster */	372	get_padlist (aTHX_ cv);
426	}	373	}
427	}	374	}
428	#ifdef CXt_FORMAT	375	#ifdef CXt_FORMAT
429	else if (CxTYPE(cx) == CXt_FORMAT)	376	else if (CxTYPE(cx) == CXt_FORMAT)
430	{	377	{
…		…
474	c->scopestack_ix = PL_scopestack_ix;	421	c->scopestack_ix = PL_scopestack_ix;
475	c->scopestack_max = PL_scopestack_max;	422	c->scopestack_max = PL_scopestack_max;
476	c->savestack = PL_savestack;	423	c->savestack = PL_savestack;
477	c->savestack_ix = PL_savestack_ix;	424	c->savestack_ix = PL_savestack_ix;
478	c->savestack_max = PL_savestack_max;	425	c->savestack_max = PL_savestack_max;
479	#ifdef PL_retstack	426	#if PERL_VERSION < 9
480	c->retstack = PL_retstack;	427	c->retstack = PL_retstack;
481	c->retstack_ix = PL_retstack_ix;	428	c->retstack_ix = PL_retstack_ix;
482	c->retstack_max = PL_retstack_max;	429	c->retstack_max = PL_retstack_max;
483	#endif	430	#endif
484	c->curpm = PL_curpm;	431	c->curpm = PL_curpm;
…		…
490	* allocate various perl stacks. This is an exact copy	437	* allocate various perl stacks. This is an exact copy
491	* of perl.c:init_stacks, except that it uses less memory	438	* of perl.c:init_stacks, except that it uses less memory
492	* on the (sometimes correct) assumption that coroutines do	439	* on the (sometimes correct) assumption that coroutines do
493	* not usually need a lot of stackspace.	440	* not usually need a lot of stackspace.
494	*/	441	*/
495	STATIC void	442	static void
496	coro_init_stacks (pTHX)	443	coro_init_stacks (pTHX)
497	{	444	{
498	LOCK;	445	LOCK;
499		446
500	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	447	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
…		…
525		472
526	New(54,PL_savestack,96,ANY);	473	New(54,PL_savestack,96,ANY);
527	PL_savestack_ix = 0;	474	PL_savestack_ix = 0;
528	PL_savestack_max = 96;	475	PL_savestack_max = 96;
529		476
530	#ifdef PL_retstack	477	#if PERL_VERSION < 9
531	New(54,PL_retstack,8,OP*);	478	New(54,PL_retstack,8,OP*);
532	PL_retstack_ix = 0;	479	PL_retstack_ix = 0;
533	PL_retstack_max = 8;	480	PL_retstack_max = 8;
534	#endif	481	#endif
535		482
…		…
537	}	484	}
538		485
539	/*	486	/*
540	* destroy the stacks, the callchain etc...	487	* destroy the stacks, the callchain etc...
541	*/	488	*/
542	STATIC void	489	static void
543	destroy_stacks(pTHX)	490	destroy_stacks(pTHX)
544	{	491	{
545	if (!IN_DESTRUCT)	492	if (!IN_DESTRUCT)
546	{	493	{
547	/* is this ugly, I ask? */	494	/* is this ugly, I ask? */
…		…
579		526
580	Safefree (PL_tmps_stack);	527	Safefree (PL_tmps_stack);
581	Safefree (PL_markstack);	528	Safefree (PL_markstack);
582	Safefree (PL_scopestack);	529	Safefree (PL_scopestack);
583	Safefree (PL_savestack);	530	Safefree (PL_savestack);
584	#ifdef PL_retstack	531	#if PERL_VERSION < 9
585	Safefree (PL_retstack);	532	Safefree (PL_retstack);
586	#endif	533	#endif
587	}	534	}
588		535
589	static void	536	static void
590	allocate_stack (Coro__State ctx, int alloc)	537	setup_coro (struct coro *coro)
591	{
592	coro_stack *stack;
593
594	New (0, stack, 1, coro_stack);
595
596	stack->refcnt = 1;
597	stack->usecnt = 1;
598	stack->gencnt = ctx->gencnt = 0;
599
600	if (alloc)
601	{
602	#if HAVE_MMAP
603	stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */
604	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
605	if (stack->sptr == (void *)-1)
606	#endif
607	{
608	/FIXME//D//* reasonable stack size! */
609	stack->ssize = - (STACKSIZE * sizeof (long));
610	New (0, stack->sptr, STACKSIZE, long);
611	}
612	}
613	else
614	stack->sptr = 0;
615
616	ctx->stack = stack;
617	}
618
619	static void
620	deallocate_stack (Coro__State ctx)
621	{
622	coro_stack *stack = ctx->stack;
623
624	ctx->stack = 0;
625
626	if (stack)
627	{
628	if (!--stack->refcnt)
629	{
630	#ifdef HAVE_MMAP
631	if (stack->ssize > 0 && stack->sptr)
632	munmap (stack->sptr, stack->ssize);
633	else
634	#endif
635	Safefree (stack->sptr);
636
637	Safefree (stack);
638	}
639	else if (ctx->gencnt == stack->gencnt)
640	--stack->usecnt;
641	}
642	}
643
644	static void
645	setup_coro (void *arg)
646	{	538	{
647	/*	539	/*
648	* emulate part of the perl startup here.	540	* emulate part of the perl startup here.
649	*/	541	*/
650	dTHX;	542	dTHX;
651	dSP;	543	dSP;
652	Coro__State ctx = (Coro__State)arg;	544	UNOP myop;
653	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);	545	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
654		546
655	coro_init_stacks (aTHX);	547	coro_init_stacks (aTHX);
656	/PL_curcop = 0;/	548	/PL_curcop = 0;/
657	/PL_in_eval = PL_in_eval;/ /* inherit */	549	/PL_in_eval = PL_in_eval;/ /* inherit */
658	SvREFCNT_dec (GvAV (PL_defgv));	550	SvREFCNT_dec (GvAV (PL_defgv));
659	GvAV (PL_defgv) = ctx->args; ctx->args = 0;	551	GvAV (PL_defgv) = coro->args; coro->args = 0;
660		552
661	SPAGAIN;	553	SPAGAIN;
662		554
663	if (ctx->stack)	555	Zero (&myop, 1, UNOP);
664	{	556	myop.op_next = Nullop;
665	ctx->cursp = 0;	557	myop.op_flags = OPf_WANT_VOID;
666		558
		559	PL_op = (OP *)&myop;
		560
667	PUSHMARK(SP);	561	PUSHMARK(SP);
		562	XPUSHs (sub_init);
668	PUTBACK;	563	PUTBACK;
669	(void) call_sv (sub_init, G_VOID\|G_NOARGS\|G_EVAL);	564	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
		565	SPAGAIN;
670		566
671	if (SvTRUE (ERRSV))	567	ENTER; /* necessary e.g. for dounwind */
672	croak (NULL);	568	}
673	else	569
674	croak ("FATAL: CCTXT coroutine returned!");	570	static void
		571	transfer_tail ()
		572	{
		573	if (coro_mortal)
		574	{
		575	SvREFCNT_dec (coro_mortal);
		576	coro_mortal = 0;
675	}	577	}
676	else
677	{
678	UNOP myop;
679		578
680	PL_op = (OP *)&myop;	579	UNLOCK;
681
682	Zero(&myop, 1, UNOP);
683	myop.op_next = Nullop;
684	myop.op_flags = OPf_WANT_VOID;
685
686	PUSHMARK(SP);
687	XPUSHs (sub_init);
688	/*
689	* the next line is slightly wrong, as PL_op->op_next
690	* is actually being executed so we skip the first op.
691	* that doesn't matter, though, since it is only
692	* pp_nextstate and we never return...
693	* ah yes, and I don't care anyways ;)
694	*/
695	PUTBACK;
696	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
697	SPAGAIN;
698
699	ENTER; /* necessary e.g. for dounwind */
700	}
701	}	580	}
702		581
703	static void	582	static void
704	continue_coro (void *arg)	583	coro_run (void *arg)
705	{	584	{
706	/*	585	/*
707	* this is a _very_ stripped down perl interpreter ;)	586	* this is a _very_ stripped down perl interpreter ;)
708	*/	587	*/
709	dTHX;	588	dTHX;
710	Coro__State ctx = (Coro__State)arg;
711	JMPENV coro_start_env;
712		589
		590	transfer_tail ();
		591
713	PL_top_env = &ctx->start_env;	592	PL_top_env = &PL_start_env;
714
715	ctx->cursp = 0;
716	PL_op = PL_op->op_next;	593	PL_restartop = PL_op->op_next;
717	CALLRUNOPS(aTHX);	594	/* somebody will hit me for both perl_run and PL_restart_top */
		595	perl_run (aTHX_ PERL_GET_CONTEXT);
718		596
719	abort ();	597	abort ();
720	}	598	}
721		599
722	STATIC void	600	static coro_stack *
		601	stack_new ()
		602	{
		603	coro_stack *stack;
		604
		605	New (0, stack, 1, coro_stack);
		606
		607	#if HAVE_MMAP
		608
		609	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
		610	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
		611
		612	if (stack->sptr == (void *)-1)
		613	{
		614	fprintf (stderr, "FATAL: unable to mmap stack for coroutine\n");
		615	_exit (EXIT_FAILURE);
		616	}
		617
		618	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		619
		620	#else
		621
		622	stack->ssize = STACKSIZE * (long)sizeof (long);
		623	New (0, stack->sptr, STACKSIZE, long);
		624
		625	if (!stack->sptr)
		626	{
		627	fprintf (stderr, "FATAL: unable to malloc stack for coroutine\n");
		628	_exit (EXIT_FAILURE);
		629	}
		630
		631	#endif
		632
		633	coro_create (&stack->cctx, coro_run, 0, stack->sptr, stack->ssize);
		634
		635	return stack;
		636	}
		637
		638	static void
		639	stack_free (coro_stack *stack)
		640	{
		641	if (!stack \|\| stack == main_stack)
		642	return;
		643
		644	#if HAVE_MMAP
		645	munmap (stack->sptr, stack->ssize);
		646	#else
		647	Safefree (stack->sptr);
		648	#endif
		649
		650	Safefree (stack);
		651	}
		652
		653	static coro_stack *stack_first;
		654
		655	static void
		656	stack_get (struct coro *coro)
		657	{
		658	if (stack_first)
		659	{
		660	coro->stack = stack_first;
		661	stack_first = stack_first->next;
		662	}
		663	else
		664	coro->stack = stack_new ();
		665	}
		666
		667	static void
		668	stack_put (coro_stack *stack)
		669	{
		670	stack->next = stack_first;
		671	stack_first = stack;
		672	}
		673
		674	/* never call directly, always through the coro_state_transfer global variable */
		675	static void
723	transfer (pTHX_ struct coro prev, struct coro next, int flags)	676	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)
724	{	677	{
725	dSTACKLEVEL;	678	dSTACKLEVEL;
726		679
		680	/* sometimes transfer is only called to set idle_sp */
		681	if (!prev->stack->idle_sp)
		682	prev->stack->idle_sp = stacklevel;
		683
		684	LOCK;
		685
727	if (prev != next)	686	if (prev != next)
728	{	687	{
729	if (next->mainstack)	688	coro_stack *prev_stack = prev->stack;
		689
		690	/* possibly "free" the stack */
		691	if (prev_stack->idle_sp == stacklevel)
730	{	692	{
731	LOCK;	693	stack_put (prev_stack);
		694	prev->stack = 0;
		695	}
		696
		697	if (!next->mainstack)
		698	{
		699	/* first get rid of the old state */
		700	SAVE (prev, -1);
		701	/* setup coroutine call */
		702	setup_coro (next);
		703	next->stack = 0;
		704	}
		705	else
		706	{
732	SAVE (prev, flags);	707	SAVE (prev, flags);
733	LOAD (next);	708	LOAD (next);
734	UNLOCK;
735
736	/* mark this state as in-use */
737	next->mainstack = 0;
738	next->tmps_ix = -2;
739
740	/* stacklevel changed? if yes, grab the stack for us! */
741	if (flags & TRANSFER_SAVE_CCTXT)
742	{
743	if (!prev->stack)
744	allocate_stack (prev, 0);
745	else if (prev->cursp != stacklevel
746	&& prev->stack->usecnt > 1)
747	{
748	prev->gencnt = ++prev->stack->gencnt;
749	prev->stack->usecnt = 1;
750	}
751
752	/* has our stack been invalidated? */
753	if (next->stack && next->stack->gencnt != next->gencnt)
754	{
755	deallocate_stack (next);
756	allocate_stack (next, 1);
757	coro_create (&(next->stack->cctx),
758	continue_coro, (void *)next,
759	next->stack->sptr, labs (next->stack->ssize));
760	}
761
762	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
763	prev->cursp = stacklevel;
764	/* don't add any code here */
765	}
766	else
767	next->cursp = stacklevel;
768	}	709	}
769	else if (next->tmps_ix == -2)
770	croak ("tried to transfer to running coroutine");
771	else
772	{
773	LOCK;
774	SAVE (prev, -1); /* first get rid of the old state */
775	UNLOCK;
776		710
777	if (flags & TRANSFER_SAVE_CCTXT)	711	if (!next->stack)
778	{	712	stack_get (next);
779	if (!prev->stack)
780	allocate_stack (prev, 0);
781		713
782	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	714	if (prev_stack != next->stack)
783	{
784	PL_top_env = &next->start_env;
785
786	setup_coro (next);
787	next->cursp = stacklevel;
788
789	prev->stack->refcnt++;
790	prev->stack->usecnt++;
791	next->stack = prev->stack;
792	next->gencnt = prev->gencnt;
793	}
794	else
795	{
796	assert (!next->stack);
797	allocate_stack (next, 1);
798	coro_create (&(next->stack->cctx),
799	setup_coro, (void *)next,
800	next->stack->sptr, labs (next->stack->ssize));
801	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	715	coro_transfer (&prev_stack->cctx, &next->stack->cctx);
802	prev->cursp = stacklevel;
803	/* don't add any code here */
804	}
805	}
806	else
807	{
808	setup_coro (next);
809	next->cursp = stacklevel;
810	}
811	}
812	}	716	}
813		717
814	LOCK;	718	transfer_tail ();
815	if (coro_mortal)	719	}
		720
		721	/* use this function pointer to call the above function */
		722	/* this is done to increase chances of the compiler not inlining the call */
		723	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;
		724
		725	static void
		726	coro_state_destroy (struct coro *coro)
		727	{
		728	if (coro->refcnt--)
		729	return;
		730
		731	if (coro->mainstack && coro->mainstack != main_mainstack)
816	{	732	{
817	SvREFCNT_dec (coro_mortal);	733	struct coro temp;
		734
		735	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
		736	LOAD (aTHX_ coro);
		737
		738	destroy_stacks (aTHX);
		739
		740	LOAD ((&temp)); /* this will get rid of defsv etc.. */
		741
818	coro_mortal = 0;	742	coro->mainstack = 0;
819	}	743	}
820	UNLOCK;
821	}
822		744
823	#define SV_CORO(sv,func) \	745	stack_free (coro->stack);
824	do { \	746	SvREFCNT_dec (coro->args);
825	if (SvROK (sv)) \	747	Safefree (coro);
826	sv = SvRV (sv); \	748	}
827	\
828	if (SvTYPE (sv) == SVt_PVHV) \
829	{ \
830	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
831	\
832	if (!he) \
833	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
834	\
835	(sv) = SvRV (HeVAL(he)); \
836	} \
837	\
838	/* must also be changed inside Coro::Cont::yield */ \
839	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
840	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
841	\
842	} while(0)
843		749
844	#define SvSTATE(sv) (struct coro *)SvIV (sv)
845
846	static void	750	static int
		751	coro_state_clear (SV sv, MAGIC mg)
		752	{
		753	struct coro coro = (struct coro )mg->mg_ptr;
		754	mg->mg_ptr = 0;
		755
		756	coro_state_destroy (coro);
		757
		758	return 0;
		759	}
		760
		761	static int
		762	coro_state_dup (MAGIC mg, CLONE_PARAMS params)
		763	{
		764	struct coro coro = (struct coro )mg->mg_ptr;
		765
		766	++coro->refcnt;
		767
		768	return 0;
		769	}
		770
		771	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };
		772
		773	static struct coro *
		774	SvSTATE (SV *coro)
		775	{
		776	HV *stash;
		777	MAGIC *mg;
		778
		779	if (SvROK (coro))
		780	coro = SvRV (coro);
		781
		782	stash = SvSTASH (coro);
		783	if (stash != coro_stash && stash != coro_state_stash)
		784	{
		785	/* very slow, but rare, check */
		786	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		787	croak ("Coro::State object required");
		788	}
		789
		790	mg = SvMAGIC (coro);
		791	assert (mg->mg_type == PERL_MAGIC_ext);
		792	return (struct coro *)mg->mg_ptr;
		793	}
		794
		795	static void
847	api_transfer(pTHX_ SV prev, SV next, int flags)	796	api_transfer (pTHX_ SV prev, SV next, int flags)
848	{	797	{
849	SV_CORO (prev, "Coro::transfer");
850	SV_CORO (next, "Coro::transfer");
851
852	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	798	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
853	}	799	}
854		800
855	/ Coro ******************************************************************/	801	/ Coro ******************************************************************/
856		802
857	#define PRIO_MAX 3	803	#define PRIO_MAX 3
…		…
861	#define PRIO_IDLE -3	807	#define PRIO_IDLE -3
862	#define PRIO_MIN -4	808	#define PRIO_MIN -4
863		809
864	/* for Coro.pm */	810	/* for Coro.pm */
865	static GV coro_current, coro_idle;	811	static GV coro_current, coro_idle;
866	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	812	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
867	static int coro_nready;	813	static int coro_nready;
868		814
869	static void	815	static void
870	coro_enq (pTHX_ SV *sv)	816	coro_enq (pTHX_ SV *sv)
871	{	817	{
		818	int prio;
		819
872	if (SvTYPE (sv) == SVt_PVHV)	820	if (SvTYPE (sv) != SVt_PVHV)
873	{
874	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
875	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
876
877	prio = prio > PRIO_MAX ? PRIO_MAX
878	: prio < PRIO_MIN ? PRIO_MIN
879	: prio;
880
881	av_push (coro_ready [prio - PRIO_MIN], sv);
882	coro_nready++;
883
884	return;
885	}
886
887	croak ("Coro::ready tried to enqueue something that is not a coroutine");	821	croak ("Coro::ready tried to enqueue something that is not a coroutine");
		822
		823	prio = SvSTATE (sv)->prio;
		824
		825	av_push (coro_ready [prio - PRIO_MIN], sv);
		826	coro_nready++;
888	}	827	}
889		828
890	static SV *	829	static SV *
891	coro_deq (pTHX_ int min_prio)	830	coro_deq (pTHX_ int min_prio)
892	{	831	{
…		…
895	min_prio -= PRIO_MIN;	834	min_prio -= PRIO_MIN;
896	if (min_prio < 0)	835	if (min_prio < 0)
897	min_prio = 0;	836	min_prio = 0;
898		837
899	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	838	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
900	if (av_len (coro_ready[prio]) >= 0)	839	if (AvFILLp (coro_ready [prio]) >= 0)
901	{	840	{
902	coro_nready--;	841	coro_nready--;
903	return av_shift (coro_ready[prio]);	842	return av_shift (coro_ready [prio]);
904	}	843	}
905		844
906	return 0;	845	return 0;
907	}	846	}
908		847
…		…
923	api_schedule (void)	862	api_schedule (void)
924	{	863	{
925	dTHX;	864	dTHX;
926		865
927	SV prev, next;	866	SV prev, next;
		867	SV *current = GvSV (coro_current);
928		868
		869	for (;;)
		870	{
929	LOCK;	871	LOCK;
930		872
931	prev = SvRV (GvSV (coro_current));
932	next = coro_deq (aTHX_ PRIO_MIN);	873	next = coro_deq (aTHX_ PRIO_MIN);
933		874
934	if (!next)	875	if (next)
935	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	876	break;
		877
		878	UNLOCK;
		879
		880	{
		881	dSP;
		882
		883	ENTER;
		884	SAVETMPS;
		885
		886	PUSHMARK (SP);
		887	PUTBACK;
		888	call_sv (GvSV (coro_idle), G_DISCARD);
		889
		890	FREETMPS;
		891	LEAVE;
		892	}
		893	}
		894
		895	prev = SvRV (current);
		896	SvRV (current) = next;
936		897
937	/* free this only after the transfer */	898	/* free this only after the transfer */
938	coro_mortal = prev;	899	coro_mortal = prev;
939	SV_CORO (prev, "Coro::schedule");
940
941	SvRV (GvSV (coro_current)) = next;
942
943	SV_CORO (next, "Coro::schedule");
944		900
945	UNLOCK;	901	UNLOCK;
946		902
947	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	903	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), TRANSFER_SAVE_ALL);
948	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
949	}	904	}
		905
		906	static int coro_cede_self;
950		907
951	static void	908	static void
952	api_cede (void)	909	api_cede (void)
953	{	910	{
954	dTHX;	911	dTHX;
		912	SV *current = SvREFCNT_inc (SvRV (GvSV (coro_current)));
955		913
956	LOCK;	914	LOCK;
957	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));	915
		916	if (coro_cede_self)
		917	{
		918	AV *runqueue = coro_ready [PRIO_MAX - PRIO_MIN];
		919	av_unshift (runqueue, 1);
		920	av_store (runqueue, 0, current);
		921	coro_nready++;
		922	coro_cede_self = 0;
		923	}
		924	else
		925	coro_enq (aTHX_ current);
		926
958	UNLOCK;	927	UNLOCK;
959		928
960	api_schedule ();	929	api_schedule ();
961	}	930	}
962		931
963	MODULE = Coro::State PACKAGE = Coro::State	932	MODULE = Coro::State PACKAGE = Coro::State
964		933
965	PROTOTYPES: ENABLE	934	PROTOTYPES: DISABLE
966		935
967	BOOT:	936	BOOT:
968	{ /* {} necessary for stoopid perl-5.6.x */	937	{
969	#ifdef USE_ITHREADS	938	#ifdef USE_ITHREADS
970	MUTEX_INIT (&coro_mutex);	939	MUTEX_INIT (&coro_mutex);
971	#endif	940	#endif
		941	BOOT_PAGESIZE;
972		942
973	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
974	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
975	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	943	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
976		944
977	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	945	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
978	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	946	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
979	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	947	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
980	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
981		948
982	main_mainstack = PL_mainstack;	949	main_mainstack = PL_mainstack;
983		950
984	coroapi.ver = CORO_API_VERSION;	951	coroapi.ver = CORO_API_VERSION;
985	coroapi.transfer = api_transfer;	952	coroapi.transfer = api_transfer;
986	}
987		953
988	Coro::State	954	Newz (0, main_stack, 1, coro_stack);
989	_newprocess(args)	955	main_stack->idle_sp = (void *)-1;
990	SV * args	956
991	PROTOTYPE: $	957	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
		958	}
		959
		960	SV *
		961	new (char *klass, ...)
992	CODE:	962	CODE:
993	Coro__State coro;	963	{
		964	struct coro *coro;
		965	HV *hv;
		966	int i;
994		967
995	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)
996	croak ("Coro::State::_newprocess expects an arrayref");
997
998	Newz (0, coro, 1, struct coro);	968	Newz (0, coro, 1, struct coro);
		969	coro->args = newAV ();
999		970
1000	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	971	hv = newHV ();
		972	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
		973	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
		974
		975	av_push (coro->args, newSVsv (RETVAL));
		976	for (i = 1; i < items; i++)
		977	av_push (coro->args, newSVsv (ST (i)));
		978
		979	coro->stack = main_stack;
1001	/coro->mainstack = 0; //actual work is done inside transfer /	980	/coro->mainstack = 0; //actual work is done inside transfer /
1002	/coro->stack = 0;/	981	/coro->stack = 0;/
1003		982	}
1004	/* same as JMPENV_BOOTSTRAP */
1005	/* we might be able to recycle start_env, but safe is safe */
1006	/Zero(&coro->start_env, 1, JMPENV);/
1007	coro->start_env.je_ret = -1;
1008	coro->start_env.je_mustcatch = TRUE;
1009
1010	RETVAL = coro;
1011	OUTPUT:	983	OUTPUT:
1012	RETVAL	984	RETVAL
1013		985
1014	void	986	void
1015	transfer(prev, next, flags)	987	transfer (prev, next, flags)
1016	SV *prev	988	SV *prev
1017	SV *next	989	SV *next
1018	int flags	990	int flags
1019	PROTOTYPE: @
1020	CODE:	991	CODE:
1021	PUTBACK;	992	PUTBACK;
1022	SV_CORO (next, "Coro::transfer");
1023	SV_CORO (prev, "Coro::transfer");
1024	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	993	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
1025	SPAGAIN;	994	SPAGAIN;
1026		995
		996	int
		997	prio (Coro::State coro, int newprio = 0)
		998	ALIAS:
		999	nice = 1
		1000	CODE:
		1001	{
		1002	RETVAL = coro->prio;
		1003
		1004	if (items > 1)
		1005	{
		1006	if (ix)
		1007	newprio += coro->prio;
		1008
		1009	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		1010	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		1011
		1012	coro->prio = newprio;
		1013	}
		1014	}
		1015
1027	void	1016	void
1028	DESTROY(coro)	1017	_clear_idle_sp (Coro::State self)
1029	Coro::State coro	1018	CODE:
1030	CODE:	1019	self->stack->idle_sp = 0;
1031
1032	if (coro->mainstack && coro->mainstack != main_mainstack)
1033	{
1034	struct coro temp;
1035
1036	PUTBACK;
1037	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
1038	LOAD (aTHX_ coro);
1039	SPAGAIN;
1040
1041	destroy_stacks (aTHX);
1042
1043	LOAD ((&temp)); /* this will get rid of defsv etc.. */
1044	SPAGAIN;
1045
1046	coro->mainstack = 0;
1047	}
1048
1049	deallocate_stack (coro);
1050	SvREFCNT_dec (coro->args);
1051	Safefree (coro);
1052		1020
1053	void	1021	void
		1022	_clone_state_from (SV dst, SV src)
		1023	CODE:
		1024	{
		1025	struct coro *coro_src = SvSTATE (src);
		1026
		1027	sv_unmagic (SvRV (dst), PERL_MAGIC_ext);
		1028
		1029	++coro_src->refcnt;
		1030	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;
		1031	}
		1032
		1033	void
1054	_exit(code)	1034	_exit (code)
1055	int code	1035	int code
1056	PROTOTYPE: $	1036	PROTOTYPE: $
1057	CODE:	1037	CODE:
1058	_exit (code);	1038	_exit (code);
1059		1039
1060	MODULE = Coro::State PACKAGE = Coro::Cont	1040	MODULE = Coro::State PACKAGE = Coro::Cont
1061		1041
1062	# this is slightly dirty (should expose a c-level api)
1063
1064	void	1042	void
1065	yield(...)	1043	yield (...)
1066	PROTOTYPE: @	1044	PROTOTYPE: @
1067	CODE:	1045	CODE:
		1046	{
1068	SV *yieldstack;	1047	SV *yieldstack;
1069	SV *sv;	1048	SV *sv;
1070	AV *defav = GvAV (PL_defgv);	1049	AV *defav = GvAV (PL_defgv);
1071	struct coro prev, next;	1050	struct coro prev, next;
1072		1051
…		…
1081	av_fill (defav, items - 1);	1060	av_fill (defav, items - 1);
1082	while (items--)	1061	while (items--)
1083	av_store (defav, items, SvREFCNT_inc (ST(items)));	1062	av_store (defav, items, SvREFCNT_inc (ST(items)));
1084		1063
1085	sv = av_pop ((AV *)SvRV (yieldstack));	1064	sv = av_pop ((AV *)SvRV (yieldstack));
1086	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1065	prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
1087	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1066	next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
1088	SvREFCNT_dec (sv);	1067	SvREFCNT_dec (sv);
1089		1068
1090	transfer (aTHX_ prev, next, 0);	1069	coro_state_transfer (aTHX_ prev, next, 0);
		1070	}
1091		1071
1092	MODULE = Coro::State PACKAGE = Coro	1072	MODULE = Coro::State PACKAGE = Coro
1093		1073
1094	# this is slightly dirty (should expose a c-level api)
1095
1096	BOOT:	1074	BOOT:
1097	{	1075	{
1098	int i;	1076	int i;
		1077
1099	HV *stash = gv_stashpv ("Coro", TRUE);	1078	coro_stash = gv_stashpv ("Coro", TRUE);
1100		1079
1101	newCONSTSUB (stash, "PRIO_MAX", newSViv (PRIO_MAX));	1080	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1102	newCONSTSUB (stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1081	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1103	newCONSTSUB (stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1082	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1104	newCONSTSUB (stash, "PRIO_LOW", newSViv (PRIO_LOW));	1083	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1105	newCONSTSUB (stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1084	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1106	newCONSTSUB (stash, "PRIO_MIN", newSViv (PRIO_MIN));	1085	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1107		1086
1108	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);	1087	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);
1109	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);	1088	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);
1110		1089
1111	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1090	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
…		…
1119	coroapi.ready = api_ready;	1098	coroapi.ready = api_ready;
1120	coroapi.nready = &coro_nready;	1099	coroapi.nready = &coro_nready;
1121	coroapi.current = coro_current;	1100	coroapi.current = coro_current;
1122		1101
1123	GCoroAPI = &coroapi;	1102	GCoroAPI = &coroapi;
1124	sv_setiv(sv, (IV)&coroapi);	1103	sv_setiv (sv, (IV)&coroapi);
1125	SvREADONLY_on(sv);	1104	SvREADONLY_on (sv);
1126	}	1105	}
1127	}	1106	}
1128		1107
1129	#if !PERL_MICRO
1130
1131	void	1108	void
1132	ready(self)	1109	ready (SV *self)
1133	SV * self
1134	PROTOTYPE: $	1110	PROTOTYPE: $
1135	CODE:	1111	CODE:
1136	api_ready (self);	1112	api_ready (self);
1137		1113
1138	#endif
1139
1140	int	1114	int
1141	nready(...)	1115	nready (...)
1142	PROTOTYPE:	1116	PROTOTYPE:
1143	CODE:	1117	CODE:
1144	RETVAL = coro_nready;	1118	RETVAL = coro_nready;
1145	OUTPUT:	1119	OUTPUT:
1146	RETVAL	1120	RETVAL
1147		1121
1148	void	1122	void
1149	schedule(...)	1123	schedule (...)
1150	PROTOTYPE:	1124	PROTOTYPE:
1151	CODE:	1125	CODE:
1152	api_schedule ();	1126	api_schedule ();
1153		1127
1154	void	1128	void
		1129	_set_cede_self ()
		1130	CODE:
		1131	coro_cede_self = 1;
		1132
		1133	void
1155	cede(...)	1134	cede (...)
1156	PROTOTYPE:	1135	PROTOTYPE:
1157	CODE:	1136	CODE:
1158	api_cede ();	1137	api_cede ();
1159		1138
1160	# and these are hacks	1139	MODULE = Coro::State PACKAGE = Coro::AIO
		1140
1161	SV *	1141	SV *
1162	_aio_get_state ()	1142	_get_state ()
1163	CODE:	1143	CODE:
1164	{	1144	{
1165	struct {	1145	struct {
1166	int errorno;	1146	int errorno;
1167	int laststype;	1147	int laststype;
…		…
1178	}	1158	}
1179	OUTPUT:	1159	OUTPUT:
1180	RETVAL	1160	RETVAL
1181		1161
1182	void	1162	void
1183	_aio_set_state (char *data_)	1163	_set_state (char *data_)
1184	PROTOTYPE: $	1164	PROTOTYPE: $
1185	CODE:	1165	CODE:
1186	{	1166	{
1187	struct {	1167	struct {
1188	int errorno;	1168	int errorno;

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Comparing Coro/Coro/State.xs (file contents): Revision 1.71 by root, Wed Jan 25 21:43:58 2006 UTC vs. Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.71 by root, Wed Jan 25 21:43:58 2006 UTC vs.
Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC