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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.70 by root, Mon Dec 26 19:26:52 2005 UTC vs.
Revision 1.85 by root, Fri Nov 24 00:32:04 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
		59	# endif
45	#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"	63	#define UCORO_STATE "_coro_state"
49		64
…		…
85	void *sptr;	100	void *sptr;
86	long ssize; /* positive == mmap, otherwise malloc */	101	long ssize; /* positive == mmap, otherwise malloc */
87	} coro_stack;	102	} coro_stack;
88		103
89	struct coro {	104	struct coro {
90	/* the top-level JMPENV for each coroutine, needed to catch dies. */
91	JMPENV start_env;
92
93	/* the optional C context */	105	/* the optional C context */
94	coro_stack *stack;	106	coro_stack *stack;
95	void *cursp;	107	void *cursp;
96	int gencnt;	108	int gencnt;
97		109
…		…
140	};	152	};
141		153
142	typedef struct coro *Coro__State;	154	typedef struct coro *Coro__State;
143	typedef struct coro *Coro__State_or_hashref;	155	typedef struct coro *Coro__State_or_hashref;
144		156
145	/* mostly copied from op.c:cv_clone2 */	157	static AV *
146	STATIC AV *	158	coro_clone_padlist (pTHX_ CV *cv)
147	clone_padlist (pTHX_ AV *protopadlist)
148	{	159	{
149	AV *av;	160	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;	161	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		162
168	newpadlist = newAV ();	163	newpadlist = newAV ();
169	AvREAL_off (newpadlist);	164	AvREAL_off (newpadlist);
170	av_store (newpadlist, 0, (SV *) newpad_name);	165	#if PERL_VERSION < 9
		166	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		167	#else
		168	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		169	#endif
		170	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		171	--AvFILLp (padlist);
		172
		173	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
171	av_store (newpadlist, 1, (SV *) newpad);	174	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	AvFLAGS (av) = AVf_REIFY;
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		175
242	return newpadlist;	176	return newpadlist;
243	}	177	}
244		178
245	STATIC void	179	static void
246	free_padlist (pTHX_ AV *padlist)	180	free_padlist (pTHX_ AV *padlist)
247	{	181	{
248	/* may be during global destruction */	182	/* may be during global destruction */
249	if (SvREFCNT (padlist))	183	if (SvREFCNT (padlist))
250	{	184	{
…		…
264		198
265	SvREFCNT_dec ((SV*)padlist);	199	SvREFCNT_dec ((SV*)padlist);
266	}	200	}
267	}	201	}
268		202
269	STATIC int	203	static int
270	coro_cv_free (pTHX_ SV sv, MAGIC mg)	204	coro_cv_free (pTHX_ SV sv, MAGIC mg)
271	{	205	{
272	AV *padlist;	206	AV *padlist;
273	AV av = (AV )mg->mg_obj;	207	AV av = (AV )mg->mg_obj;
274		208
275	/* casting is fun. */	209	/* casting is fun. */
276	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	210	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
277	free_padlist (aTHX_ padlist);	211	free_padlist (aTHX_ padlist);
278		212
279	SvREFCNT_dec (av);	213	SvREFCNT_dec (av);
		214
		215	return 0;
280	}	216	}
281		217
282	#define PERL_MAGIC_coro PERL_MAGIC_ext	218	#define PERL_MAGIC_coro PERL_MAGIC_ext
283		219
284	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	220	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
285		221
286	/* the next two functions merely cache the padlists */	222	/* the next two functions merely cache the padlists */
287	STATIC void	223	static void
288	get_padlist (pTHX_ CV *cv)	224	get_padlist (pTHX_ CV *cv)
289	{	225	{
290	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	226	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
291		227
292	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	228	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
293	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	229	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
294	else	230	else
		231	{
		232	#if 0
		233	/* this should work - but it doesn't :( */
		234	CV *cp = Perl_cv_clone (aTHX_ cv);
		235	CvPADLIST (cv) = CvPADLIST (cp);
		236	CvPADLIST (cp) = 0;
		237	SvREFCNT_dec (cp);
		238	#else
295	CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));	239	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		240	#endif
		241	}
296	}	242	}
297		243
298	STATIC void	244	static void
299	put_padlist (pTHX_ CV *cv)	245	put_padlist (pTHX_ CV *cv)
300	{	246	{
301	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	247	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
302		248
303	if (!mg)	249	if (!mg)
…		…
346	PL_scopestack_ix = c->scopestack_ix;	292	PL_scopestack_ix = c->scopestack_ix;
347	PL_scopestack_max = c->scopestack_max;	293	PL_scopestack_max = c->scopestack_max;
348	PL_savestack = c->savestack;	294	PL_savestack = c->savestack;
349	PL_savestack_ix = c->savestack_ix;	295	PL_savestack_ix = c->savestack_ix;
350	PL_savestack_max = c->savestack_max;	296	PL_savestack_max = c->savestack_max;
		297	#if PERL_VERSION < 9
351	PL_retstack = c->retstack;	298	PL_retstack = c->retstack;
352	PL_retstack_ix = c->retstack_ix;	299	PL_retstack_ix = c->retstack_ix;
353	PL_retstack_max = c->retstack_max;	300	PL_retstack_max = c->retstack_max;
		301	#endif
354	PL_curpm = c->curpm;	302	PL_curpm = c->curpm;
355	PL_curcop = c->curcop;	303	PL_curcop = c->curcop;
356	PL_top_env = c->top_env;	304	PL_top_env = c->top_env;
357		305
358	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	306	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
…		…
418	}	366	}
419		367
420	PUSHs ((SV *)CvPADLIST(cv));	368	PUSHs ((SV *)CvPADLIST(cv));
421	PUSHs ((SV *)cv);	369	PUSHs ((SV *)cv);
422		370
423	get_padlist (aTHX_ cv); /* this is a monster */	371	get_padlist (aTHX_ cv);
424	}	372	}
425	}	373	}
426	#ifdef CXt_FORMAT	374	#ifdef CXt_FORMAT
427	else if (CxTYPE(cx) == CXt_FORMAT)	375	else if (CxTYPE(cx) == CXt_FORMAT)
428	{	376	{
…		…
472	c->scopestack_ix = PL_scopestack_ix;	420	c->scopestack_ix = PL_scopestack_ix;
473	c->scopestack_max = PL_scopestack_max;	421	c->scopestack_max = PL_scopestack_max;
474	c->savestack = PL_savestack;	422	c->savestack = PL_savestack;
475	c->savestack_ix = PL_savestack_ix;	423	c->savestack_ix = PL_savestack_ix;
476	c->savestack_max = PL_savestack_max;	424	c->savestack_max = PL_savestack_max;
		425	#if PERL_VERSION < 9
477	c->retstack = PL_retstack;	426	c->retstack = PL_retstack;
478	c->retstack_ix = PL_retstack_ix;	427	c->retstack_ix = PL_retstack_ix;
479	c->retstack_max = PL_retstack_max;	428	c->retstack_max = PL_retstack_max;
		429	#endif
480	c->curpm = PL_curpm;	430	c->curpm = PL_curpm;
481	c->curcop = PL_curcop;	431	c->curcop = PL_curcop;
482	c->top_env = PL_top_env;	432	c->top_env = PL_top_env;
483	}	433	}
484		434
…		…
486	* allocate various perl stacks. This is an exact copy	436	* allocate various perl stacks. This is an exact copy
487	* of perl.c:init_stacks, except that it uses less memory	437	* of perl.c:init_stacks, except that it uses less memory
488	* on the (sometimes correct) assumption that coroutines do	438	* on the (sometimes correct) assumption that coroutines do
489	* not usually need a lot of stackspace.	439	* not usually need a lot of stackspace.
490	*/	440	*/
491	STATIC void	441	static void
492	coro_init_stacks (pTHX)	442	coro_init_stacks (pTHX)
493	{	443	{
494	LOCK;	444	LOCK;
495		445
496	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	446	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
…		…
521		471
522	New(54,PL_savestack,96,ANY);	472	New(54,PL_savestack,96,ANY);
523	PL_savestack_ix = 0;	473	PL_savestack_ix = 0;
524	PL_savestack_max = 96;	474	PL_savestack_max = 96;
525		475
		476	#if PERL_VERSION < 9
526	New(54,PL_retstack,8,OP*);	477	New(54,PL_retstack,8,OP*);
527	PL_retstack_ix = 0;	478	PL_retstack_ix = 0;
528	PL_retstack_max = 8;	479	PL_retstack_max = 8;
		480	#endif
529		481
530	UNLOCK;	482	UNLOCK;
531	}	483	}
532		484
533	/*	485	/*
534	* destroy the stacks, the callchain etc...	486	* destroy the stacks, the callchain etc...
535	*/	487	*/
536	STATIC void	488	static void
537	destroy_stacks(pTHX)	489	destroy_stacks(pTHX)
538	{	490	{
539	if (!IN_DESTRUCT)	491	if (!IN_DESTRUCT)
540	{	492	{
541	/* is this ugly, I ask? */	493	/* is this ugly, I ask? */
…		…
573		525
574	Safefree (PL_tmps_stack);	526	Safefree (PL_tmps_stack);
575	Safefree (PL_markstack);	527	Safefree (PL_markstack);
576	Safefree (PL_scopestack);	528	Safefree (PL_scopestack);
577	Safefree (PL_savestack);	529	Safefree (PL_savestack);
		530	#if PERL_VERSION < 9
578	Safefree (PL_retstack);	531	Safefree (PL_retstack);
		532	#endif
579	}	533	}
580		534
581	static void	535	static void
582	allocate_stack (Coro__State ctx, int alloc)	536	allocate_stack (Coro__State ctx, int alloc)
583	{	537	{
…		…
590	stack->gencnt = ctx->gencnt = 0;	544	stack->gencnt = ctx->gencnt = 0;
591		545
592	if (alloc)	546	if (alloc)
593	{	547	{
594	#if HAVE_MMAP	548	#if HAVE_MMAP
595	stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */	549	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
596	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	550	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
597	if (stack->sptr == (void *)-1)	551	if (stack->sptr != (void *)-1)
598	#endif
599	{	552	{
600	/FIXME//D//* reasonable stack size! */	553	# if STACKGUARD
		554	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		555	# endif
		556	}
		557	else
		558	#endif
		559	{
601	stack->ssize = - (STACKSIZE * sizeof (long));	560	stack->ssize = - (STACKSIZE * (long)sizeof (long));
602	New (0, stack->sptr, STACKSIZE, long);	561	New (0, stack->sptr, STACKSIZE, long);
603	}	562	}
604	}	563	}
605	else	564	else
606	stack->sptr = 0;	565	stack->sptr = 0;
…		…
667	}	626	}
668	else	627	else
669	{	628	{
670	UNOP myop;	629	UNOP myop;
671		630
672	PL_op = (OP *)&myop;
673
674	Zero(&myop, 1, UNOP);	631	Zero(&myop, 1, UNOP);
675	myop.op_next = Nullop;	632	myop.op_next = Nullop;
676	myop.op_flags = OPf_WANT_VOID;	633	myop.op_flags = OPf_WANT_VOID;
		634
		635	PL_op = (OP *)&myop;
677		636
678	PUSHMARK(SP);	637	PUSHMARK(SP);
679	XPUSHs (sub_init);	638	XPUSHs (sub_init);
680	/*	639	/*
681	* the next line is slightly wrong, as PL_op->op_next	640	* the next line is slightly wrong, as PL_op->op_next
…		…
698	/*	657	/*
699	* this is a _very_ stripped down perl interpreter ;)	658	* this is a _very_ stripped down perl interpreter ;)
700	*/	659	*/
701	dTHX;	660	dTHX;
702	Coro__State ctx = (Coro__State)arg;	661	Coro__State ctx = (Coro__State)arg;
703	JMPENV coro_start_env;
704		662
705	PL_top_env = &ctx->start_env;	663	PL_top_env = &PL_start_env;
706		664
707	ctx->cursp = 0;	665	ctx->cursp = 0;
708	PL_op = PL_op->op_next;	666	PL_op = PL_op->op_next;
709	CALLRUNOPS(aTHX);	667	CALLRUNOPS(aTHX);
710		668
711	abort ();	669	abort ();
712	}	670	}
713		671
714	STATIC void	672	/* never call directly, always through the coro_state_transfer global variable */
		673	static void
715	transfer (pTHX_ struct coro prev, struct coro next, int flags)	674	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)
716	{	675	{
717	dSTACKLEVEL;	676	dSTACKLEVEL;
718		677
719	if (prev != next)	678	if (prev != next)
720	{	679	{
		680	/* has this coro been created yet? */
721	if (next->mainstack)	681	if (next->mainstack)
722	{	682	{
723	LOCK;	683	LOCK;
724	SAVE (prev, flags);	684	SAVE (prev, flags);
725	LOAD (next);	685	LOAD (next);
…		…
764	{	724	{
765	LOCK;	725	LOCK;
766	SAVE (prev, -1); /* first get rid of the old state */	726	SAVE (prev, -1); /* first get rid of the old state */
767	UNLOCK;	727	UNLOCK;
768		728
		729	/* create the coroutine for the first time */
769	if (flags & TRANSFER_SAVE_CCTXT)	730	if (flags & TRANSFER_SAVE_CCTXT)
770	{	731	{
771	if (!prev->stack)	732	if (!prev->stack)
772	allocate_stack (prev, 0);	733	allocate_stack (prev, 0);
773		734
		735	/* the new coroutine starts with start_env again */
		736	PL_top_env = &PL_start_env;
		737
774	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	738	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
775	{	739	{
776	PL_top_env = &next->start_env;
777
778	setup_coro (next);	740	setup_coro (next);
779	next->cursp = stacklevel;	741	next->cursp = stacklevel;
780		742
781	prev->stack->refcnt++;	743	prev->stack->refcnt++;
782	prev->stack->usecnt++;	744	prev->stack->usecnt++;
…		…
810	coro_mortal = 0;	772	coro_mortal = 0;
811	}	773	}
812	UNLOCK;	774	UNLOCK;
813	}	775	}
814		776
		777	/* use this function pointer to call the above function */
		778	/* this is done to increase chances of the compiler not inlining the call */
		779	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;
		780
815	#define SV_CORO(sv,func) \	781	#define SV_CORO(sv,func) \
816	do { \	782	do { \
817	if (SvROK (sv)) \	783	if (SvROK (sv)) \
818	sv = SvRV (sv); \	784	sv = SvRV (sv); \
819	\	785	\
…		…
831	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \	797	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
832	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \	798	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
833	\	799	\
834	} while(0)	800	} while(0)
835		801
836	#define SvSTATE(sv) (struct coro *)SvIV (sv)	802	#define SvSTATE(sv) INT2PTR (struct coro *, SvIVX (sv))
837		803
838	static void	804	static void
839	api_transfer(pTHX_ SV prev, SV next, int flags)	805	api_transfer (pTHX_ SV prev, SV next, int flags)
840	{	806	{
841	SV_CORO (prev, "Coro::transfer");	807	SV_CORO (prev, "Coro::transfer");
842	SV_CORO (next, "Coro::transfer");	808	SV_CORO (next, "Coro::transfer");
843		809
844	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	810	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
845	}	811	}
846		812
847	/ Coro ******************************************************************/	813	/ Coro ******************************************************************/
848		814
849	#define PRIO_MAX 3	815	#define PRIO_MAX 3
…		…
853	#define PRIO_IDLE -3	819	#define PRIO_IDLE -3
854	#define PRIO_MIN -4	820	#define PRIO_MIN -4
855		821
856	/* for Coro.pm */	822	/* for Coro.pm */
857	static GV coro_current, coro_idle;	823	static GV coro_current, coro_idle;
858	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	824	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
859	static int coro_nready;	825	static int coro_nready;
860		826
861	static void	827	static void
862	coro_enq (pTHX_ SV *sv)	828	coro_enq (pTHX_ SV *sv)
863	{	829	{
		830	SV **xprio;
		831	int prio;
		832
864	if (SvTYPE (sv) == SVt_PVHV)	833	if (SvTYPE (sv) != SVt_PVHV)
865	{
866	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
867	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
868
869	prio = prio > PRIO_MAX ? PRIO_MAX
870	: prio < PRIO_MIN ? PRIO_MIN
871	: prio;
872
873	av_push (coro_ready [prio - PRIO_MIN], sv);
874	coro_nready++;
875
876	return;
877	}
878
879	croak ("Coro::ready tried to enqueue something that is not a coroutine");	834	croak ("Coro::ready tried to enqueue something that is not a coroutine");
		835
		836	xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
		837	prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
		838
		839	prio = prio > PRIO_MAX ? PRIO_MAX
		840	: prio < PRIO_MIN ? PRIO_MIN
		841	: prio;
		842
		843	av_push (coro_ready [prio - PRIO_MIN], sv);
		844	coro_nready++;
880	}	845	}
881		846
882	static SV *	847	static SV *
883	coro_deq (pTHX_ int min_prio)	848	coro_deq (pTHX_ int min_prio)
884	{	849	{
…		…
887	min_prio -= PRIO_MIN;	852	min_prio -= PRIO_MIN;
888	if (min_prio < 0)	853	if (min_prio < 0)
889	min_prio = 0;	854	min_prio = 0;
890		855
891	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	856	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
892	if (av_len (coro_ready[prio]) >= 0)	857	if (AvFILLp (coro_ready [prio]) >= 0)
893	{	858	{
894	coro_nready--;	859	coro_nready--;
895	return av_shift (coro_ready[prio]);	860	return av_shift (coro_ready [prio]);
896	}	861	}
897		862
898	return 0;	863	return 0;
899	}	864	}
900		865
…		…
934		899
935	SV_CORO (next, "Coro::schedule");	900	SV_CORO (next, "Coro::schedule");
936		901
937	UNLOCK;	902	UNLOCK;
938		903
939	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	904	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
940	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	905	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
941	}	906	}
942		907
943	static void	908	static void
944	api_cede (void)	909	api_cede (void)
945	{	910	{
…		…
959	BOOT:	924	BOOT:
960	{ /* {} necessary for stoopid perl-5.6.x */	925	{ /* {} necessary for stoopid perl-5.6.x */
961	#ifdef USE_ITHREADS	926	#ifdef USE_ITHREADS
962	MUTEX_INIT (&coro_mutex);	927	MUTEX_INIT (&coro_mutex);
963	#endif	928	#endif
		929	BOOT_PAGESIZE;
964		930
965	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	931	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
966	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	932	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
967	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	933	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
968		934
…		…
990	Newz (0, coro, 1, struct coro);	956	Newz (0, coro, 1, struct coro);
991		957
992	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	958	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
993	/coro->mainstack = 0; //actual work is done inside transfer /	959	/coro->mainstack = 0; //actual work is done inside transfer /
994	/coro->stack = 0;/	960	/coro->stack = 0;/
995
996	/* same as JMPENV_BOOTSTRAP */
997	/* we might be able to recycle start_env, but safe is safe */
998	/Zero(&coro->start_env, 1, JMPENV);/
999	coro->start_env.je_ret = -1;
1000	coro->start_env.je_mustcatch = TRUE;
1001		961
1002	RETVAL = coro;	962	RETVAL = coro;
1003	OUTPUT:	963	OUTPUT:
1004	RETVAL	964	RETVAL
1005		965
…		…
1011	PROTOTYPE: @	971	PROTOTYPE: @
1012	CODE:	972	CODE:
1013	PUTBACK;	973	PUTBACK;
1014	SV_CORO (next, "Coro::transfer");	974	SV_CORO (next, "Coro::transfer");
1015	SV_CORO (prev, "Coro::transfer");	975	SV_CORO (prev, "Coro::transfer");
1016	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	976	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
1017	SPAGAIN;	977	SPAGAIN;
1018		978
1019	void	979	void
1020	DESTROY(coro)	980	DESTROY(coro)
1021	Coro::State coro	981	Coro::State coro
…		…
1048	PROTOTYPE: $	1008	PROTOTYPE: $
1049	CODE:	1009	CODE:
1050	_exit (code);	1010	_exit (code);
1051		1011
1052	MODULE = Coro::State PACKAGE = Coro::Cont	1012	MODULE = Coro::State PACKAGE = Coro::Cont
1053
1054	# this is slightly dirty (should expose a c-level api)
1055		1013
1056	void	1014	void
1057	yield(...)	1015	yield(...)
1058	PROTOTYPE: @	1016	PROTOTYPE: @
1059	CODE:	1017	CODE:
…		…
1073	av_fill (defav, items - 1);	1031	av_fill (defav, items - 1);
1074	while (items--)	1032	while (items--)
1075	av_store (defav, items, SvREFCNT_inc (ST(items)));	1033	av_store (defav, items, SvREFCNT_inc (ST(items)));
1076		1034
1077	sv = av_pop ((AV *)SvRV (yieldstack));	1035	sv = av_pop ((AV *)SvRV (yieldstack));
1078	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1036	prev = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 0, 0)));
1079	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1037	next = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 1, 0)));
1080	SvREFCNT_dec (sv);	1038	SvREFCNT_dec (sv);
1081		1039
1082	transfer (aTHX_ prev, next, 0);	1040	coro_state_transfer (aTHX_ prev, next, 0);
1083		1041
1084	MODULE = Coro::State PACKAGE = Coro	1042	MODULE = Coro::State PACKAGE = Coro
1085
1086	# this is slightly dirty (should expose a c-level api)
1087		1043
1088	BOOT:	1044	BOOT:
1089	{	1045	{
1090	int i;	1046	int i;
1091	HV *stash = gv_stashpv ("Coro", TRUE);	1047	HV *stash = gv_stashpv ("Coro", TRUE);
…		…
1111	coroapi.ready = api_ready;	1067	coroapi.ready = api_ready;
1112	coroapi.nready = &coro_nready;	1068	coroapi.nready = &coro_nready;
1113	coroapi.current = coro_current;	1069	coroapi.current = coro_current;
1114		1070
1115	GCoroAPI = &coroapi;	1071	GCoroAPI = &coroapi;
1116	sv_setiv(sv, (IV)&coroapi);	1072	sv_setiv (sv, (IV)&coroapi);
1117	SvREADONLY_on(sv);	1073	SvREADONLY_on (sv);
1118	}	1074	}
1119	}	1075	}
1120		1076
1121	#if !PERL_MICRO	1077	#if !PERL_MICRO
1122		1078

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Comparing Coro/Coro/State.xs (file contents): Revision 1.70 by root, Mon Dec 26 19:26:52 2005 UTC vs. Revision 1.85 by root, Fri Nov 24 00:32:04 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.70 by root, Mon Dec 26 19:26:52 2005 UTC vs.
Revision 1.85 by root, Fri Nov 24 00:32:04 2006 UTC