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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.328 by root, Tue Nov 25 09:49:43 2008 UTC vs.
Revision 1.357 by root, Sat Jun 27 14:09:28 2009 UTC

…		…
133	#else	133	#else
134	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
135	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
136	#endif	136	#endif
137		137
138	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
139		139
140	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	143	# define INLINE static inline
144	#else	144	#else
145	# define attribute(x)	145	# define attribute(x)
146	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
147	# define INLINE static	147	# define INLINE static
…		…
238	enum {	238	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		243	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	244	};
244		245
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	246	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	247	typedef struct
247	{	248	{
…		…
260	/* this is a structure representing a perl-level coroutine */	261	/* this is a structure representing a perl-level coroutine */
261	struct coro {	262	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	263	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	264	coro_cctx *cctx;
264		265
		266	/* ready queue */
		267	struct coro *next_ready;
		268
265	/* state data */	269	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	270	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	271	AV *mainstack;
268	perl_slots slot; / basically the saved sp */	272	perl_slots slot; / basically the saved sp */
269		273
…		…
285	/* async_pool */	289	/* async_pool */
286	SV *saved_deffh;	290	SV *saved_deffh;
287	SV *invoke_cb;	291	SV *invoke_cb;
288	AV *invoke_av;	292	AV *invoke_av;
289		293
		294	/* on_enter/on_leave */
		295	AV *on_enter;
		296	AV *on_leave;
		297
290	/* linked list */	298	/* linked list */
291	struct coro next, prev;	299	struct coro next, prev;
292	};	300	};
293		301
294	typedef struct coro *Coro__State;	302	typedef struct coro *Coro__State;
…		…
309	#define PRIO_MIN -4	317	#define PRIO_MIN -4
310		318
311	/* for Coro.pm */	319	/* for Coro.pm */
312	static SV *coro_current;	320	static SV *coro_current;
313	static SV *coro_readyhook;	321	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	322	static struct coro coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; / head\|tail */
315	static CV cv_coro_run, cv_coro_terminate;	323	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	324	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	325	#define coro_nready coroapi.nready
318		326
319	/ lowlevel stuff ********************************************************/	327	/ lowlevel stuff ********************************************************/
…		…
352	INLINE CV *	360	INLINE CV *
353	coro_sv_2cv (pTHX_ SV *sv)	361	coro_sv_2cv (pTHX_ SV *sv)
354	{	362	{
355	HV *st;	363	HV *st;
356	GV *gvp;	364	GV *gvp;
357	return sv_2cv (sv, &st, &gvp, 0);	365	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		366
		367	if (!cv)
		368	croak ("code reference expected");
		369
		370	return cv;
358	}	371	}
		372
		373	/*****************************************************************************/
		374	/* magic glue */
		375
		376	#define CORO_MAGIC_type_cv 26
		377	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		378
		379	#define CORO_MAGIC_NN(sv, type) \
		380	(expect_true (SvMAGIC (sv)->mg_type == type) \
		381	? SvMAGIC (sv) \
		382	: mg_find (sv, type))
		383
		384	#define CORO_MAGIC(sv, type) \
		385	(expect_true (SvMAGIC (sv)) \
		386	? CORO_MAGIC_NN (sv, type) \
		387	: 0)
		388
		389	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		390	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		391
		392	INLINE struct coro *
		393	SvSTATE_ (pTHX_ SV *coro)
		394	{
		395	HV *stash;
		396	MAGIC *mg;
		397
		398	if (SvROK (coro))
		399	coro = SvRV (coro);
		400
		401	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		402	croak ("Coro::State object required");
		403
		404	stash = SvSTASH (coro);
		405	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		406	{
		407	/* very slow, but rare, check */
		408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		409	croak ("Coro::State object required");
		410	}
		411
		412	mg = CORO_MAGIC_state (coro);
		413	return (struct coro *)mg->mg_ptr;
		414	}
		415
		416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		417
		418	/* faster than SvSTATE, but expects a coroutine hv */
		419	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		420	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		421
		422	/*****************************************************************************/
		423	/* padlist management and caching */
359		424
360	static AV *	425	static AV *
361	coro_derive_padlist (pTHX_ CV *cv)	426	coro_derive_padlist (pTHX_ CV *cv)
362	{	427	{
363	AV *padlist = CvPADLIST (cv);	428	AV *padlist = CvPADLIST (cv);
…		…
371	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	436	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
372	#endif	437	#endif
373	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	438	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
374	--AvFILLp (padlist);	439	--AvFILLp (padlist);
375		440
376	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	441	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
377	av_store (newpadlist, 1, (SV *)newpad);	442	av_store (newpadlist, 1, (SV *)newpad);
378		443
379	return newpadlist;	444	return newpadlist;
380	}	445	}
381		446
382	static void	447	static void
383	free_padlist (pTHX_ AV *padlist)	448	free_padlist (pTHX_ AV *padlist)
384	{	449	{
385	/* may be during global destruction */	450	/* may be during global destruction */
386	if (SvREFCNT (padlist))	451	if (!IN_DESTRUCT)
387	{	452	{
388	I32 i = AvFILLp (padlist);	453	I32 i = AvFILLp (padlist);
389	while (i >= 0)	454
		455	while (i > 0) /* special-case index 0 */
390	{	456	{
391	SV **svp = av_fetch (padlist, i--, FALSE);	457	/* we try to be extra-careful here */
392	if (svp)	458	AV av = (AV )AvARRAY (padlist)[i--];
393	{	459	I32 j = AvFILLp (av);
394	SV *sv;	460
395	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	461	while (j >= 0)
		462	SvREFCNT_dec (AvARRAY (av)[j--]);
		463
		464	AvFILLp (av) = -1;
396	SvREFCNT_dec (sv);	465	SvREFCNT_dec (av);
397
398	SvREFCNT_dec (*svp);
399	}
400	}	466	}
401		467
		468	SvREFCNT_dec (AvARRAY (padlist)[0]);
		469
		470	AvFILLp (padlist) = -1;
402	SvREFCNT_dec ((SV*)padlist);	471	SvREFCNT_dec ((SV*)padlist);
403	}	472	}
404	}	473	}
405		474
406	static int	475	static int
…		…
415		484
416	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	485	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
417		486
418	return 0;	487	return 0;
419	}	488	}
420
421	#define CORO_MAGIC_type_cv 26
422	#define CORO_MAGIC_type_state PERL_MAGIC_ext
423		489
424	static MGVTBL coro_cv_vtbl = {	490	static MGVTBL coro_cv_vtbl = {
425	0, 0, 0, 0,	491	0, 0, 0, 0,
426	coro_cv_free	492	coro_cv_free
427	};	493	};
428
429	#define CORO_MAGIC_NN(sv, type) \
430	(expect_true (SvMAGIC (sv)->mg_type == type) \
431	? SvMAGIC (sv) \
432	: mg_find (sv, type))
433
434	#define CORO_MAGIC(sv, type) \
435	(expect_true (SvMAGIC (sv)) \
436	? CORO_MAGIC_NN (sv, type) \
437	: 0)
438
439	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
440	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
441
442	INLINE struct coro *
443	SvSTATE_ (pTHX_ SV *coro)
444	{
445	HV *stash;
446	MAGIC *mg;
447
448	if (SvROK (coro))
449	coro = SvRV (coro);
450
451	if (expect_false (SvTYPE (coro) != SVt_PVHV))
452	croak ("Coro::State object required");
453
454	stash = SvSTASH (coro);
455	if (expect_false (stash != coro_stash && stash != coro_state_stash))
456	{
457	/* very slow, but rare, check */
458	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
459	croak ("Coro::State object required");
460	}
461
462	mg = CORO_MAGIC_state (coro);
463	return (struct coro *)mg->mg_ptr;
464	}
465
466	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
467
468	/* faster than SvSTATE, but expects a coroutine hv */
469	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
470	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
471		494
472	/* the next two functions merely cache the padlists */	495	/* the next two functions merely cache the padlists */
473	static void	496	static void
474	get_padlist (pTHX_ CV *cv)	497	get_padlist (pTHX_ CV *cv)
475	{	498	{
…		…
503	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	526	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
504		527
505	av = (AV *)mg->mg_obj;	528	av = (AV *)mg->mg_obj;
506		529
507	if (expect_false (AvFILLp (av) >= AvMAX (av)))	530	if (expect_false (AvFILLp (av) >= AvMAX (av)))
508	av_extend (av, AvMAX (av) + 1);	531	av_extend (av, AvFILLp (av) + 1);
509		532
510	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
511	}	534	}
512		535
513	/ load & save, init *****************************************************/	536	/ load & save, init *****************************************************/
		537
		538	static void
		539	on_enterleave_call (pTHX_ SV *cb);
514		540
515	static void	541	static void
516	load_perl (pTHX_ Coro__State c)	542	load_perl (pTHX_ Coro__State c)
517	{	543	{
518	perl_slots *slot = c->slot;	544	perl_slots *slot = c->slot;
…		…
546	PUTBACK;	572	PUTBACK;
547	}	573	}
548		574
549	slf_frame = c->slf_frame;	575	slf_frame = c->slf_frame;
550	CORO_THROW = c->except;	576	CORO_THROW = c->except;
		577
		578	if (expect_false (c->on_enter))
		579	{
		580	int i;
		581
		582	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		583	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		584	}
551	}	585	}
552		586
553	static void	587	static void
554	save_perl (pTHX_ Coro__State c)	588	save_perl (pTHX_ Coro__State c)
555	{	589	{
		590	if (expect_false (c->on_leave))
		591	{
		592	int i;
		593
		594	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		595	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		596	}
		597
556	c->except = CORO_THROW;	598	c->except = CORO_THROW;
557	c->slf_frame = slf_frame;	599	c->slf_frame = slf_frame;
558		600
559	{	601	{
560	dSP;	602	dSP;
…		…
573	{	615	{
574	while (expect_true (cxix >= 0))	616	while (expect_true (cxix >= 0))
575	{	617	{
576	PERL_CONTEXT *cx = &ccstk[cxix--];	618	PERL_CONTEXT *cx = &ccstk[cxix--];
577		619
578	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	620	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
579	{	621	{
580	CV *cv = cx->blk_sub.cv;	622	CV *cv = cx->blk_sub.cv;
581		623
582	if (expect_true (CvDEPTH (cv)))	624	if (expect_true (CvDEPTH (cv)))
583	{	625	{
…		…
759	#endif	801	#endif
760		802
761	/*	803	/*
762	* This overrides the default magic get method of %SIG elements.	804	* This overrides the default magic get method of %SIG elements.
763	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	805	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
764	* and instead of tryign to save and restore the hash elements, we just provide	806	* and instead of trying to save and restore the hash elements, we just provide
765	* readback here.	807	* readback here.
766	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
767	* not expecting this to actually change the hook. This is a potential problem
768	* when a schedule happens then, but we ignore this.
769	*/	808	*/
770	static int	809	static int
771	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	810	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
772	{	811	{
773	const char *s = MgPV_nolen_const (mg);	812	const char *s = MgPV_nolen_const (mg);
…		…
826	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	865	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
827		866
828	if (svp)	867	if (svp)
829	{	868	{
830	SV old = svp;	869	SV old = svp;
831	*svp = newSVsv (sv);	870	*svp = SvOK (sv) ? newSVsv (sv) : 0;
832	SvREFCNT_dec (old);	871	SvREFCNT_dec (old);
833	return 0;	872	return 0;
834	}	873	}
835	}	874	}
836		875
…		…
928	/* copy throw, in case it was set before coro_setup */	967	/* copy throw, in case it was set before coro_setup */
929	CORO_THROW = coro->except;	968	CORO_THROW = coro->except;
930	}	969	}
931		970
932	static void	971	static void
933	coro_destruct (pTHX_ struct coro *coro)	972	coro_unwind_stacks (pTHX)
934	{	973	{
935	if (!IN_DESTRUCT)	974	if (!IN_DESTRUCT)
936	{	975	{
937	/* restore all saved variables and stuff */	976	/* restore all saved variables and stuff */
938	LEAVE_SCOPE (0);	977	LEAVE_SCOPE (0);
…		…
946	POPSTACK_TO (PL_mainstack);	985	POPSTACK_TO (PL_mainstack);
947		986
948	/* unwind main stack */	987	/* unwind main stack */
949	dounwind (-1);	988	dounwind (-1);
950	}	989	}
		990	}
951		991
952	SvREFCNT_dec (GvSV (PL_defgv));	992	static void
953	SvREFCNT_dec (GvAV (PL_defgv));	993	coro_destruct_perl (pTHX_ struct coro *coro)
954	SvREFCNT_dec (GvSV (PL_errgv));	994	{
955	SvREFCNT_dec (PL_defoutgv);	995	SV *svf [9];
956	SvREFCNT_dec (PL_rs);
957	SvREFCNT_dec (GvSV (irsgv));
958	SvREFCNT_dec (GvHV (PL_hintgv));
959		996
960	SvREFCNT_dec (PL_diehook);
961	SvREFCNT_dec (PL_warnhook);
962		997	{
		998	struct coro *current = SvSTATE_current;
		999
		1000	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1001
		1002	save_perl (aTHX_ current);
		1003	load_perl (aTHX_ coro);
		1004
		1005	coro_unwind_stacks (aTHX);
		1006	coro_destruct_stacks (aTHX);
		1007
		1008	// now save some sv's to be free'd later
		1009	svf [0] = GvSV (PL_defgv);
		1010	svf [1] = (SV *)GvAV (PL_defgv);
		1011	svf [2] = GvSV (PL_errgv);
		1012	svf [3] = (SV *)PL_defoutgv;
		1013	svf [4] = PL_rs;
		1014	svf [5] = GvSV (irsgv);
		1015	svf [6] = (SV *)GvHV (PL_hintgv);
		1016	svf [7] = PL_diehook;
		1017	svf [8] = PL_warnhook;
		1018	assert (9 == sizeof (svf) / sizeof (*svf));
		1019
		1020	load_perl (aTHX_ current);
		1021	}
		1022
		1023	{
		1024	int i;
		1025
		1026	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1027	SvREFCNT_dec (svf [i]);
		1028
963	SvREFCNT_dec (coro->saved_deffh);	1029	SvREFCNT_dec (coro->saved_deffh);
964	SvREFCNT_dec (coro->rouse_cb);	1030	SvREFCNT_dec (coro->rouse_cb);
965	SvREFCNT_dec (coro->invoke_cb);	1031	SvREFCNT_dec (coro->invoke_cb);
966	SvREFCNT_dec (coro->invoke_av);	1032	SvREFCNT_dec (coro->invoke_av);
967		1033	}
968	coro_destruct_stacks (aTHX);
969	}	1034	}
970		1035
971	INLINE void	1036	INLINE void
972	free_coro_mortal (pTHX)	1037	free_coro_mortal (pTHX)
973	{	1038	{
…		…
1267	cctx_destroy (coro_cctx *cctx)	1332	cctx_destroy (coro_cctx *cctx)
1268	{	1333	{
1269	if (!cctx)	1334	if (!cctx)
1270	return;	1335	return;
1271		1336
1272	assert (cctx != cctx_current);//D temporary	1337	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1273		1338
1274	--cctx_count;	1339	--cctx_count;
1275	coro_destroy (&cctx->cctx);	1340	coro_destroy (&cctx->cctx);
1276		1341
1277	/* coro_transfer creates new, empty cctx's */	1342	/* coro_transfer creates new, empty cctx's */
…		…
1341	/* TODO: throwing up here is considered harmful */	1406	/* TODO: throwing up here is considered harmful */
1342		1407
1343	if (expect_true (prev != next))	1408	if (expect_true (prev != next))
1344	{	1409	{
1345	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1410	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1346	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1411	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1347		1412
1348	if (expect_false (next->flags & CF_RUNNING))
1349	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1350
1351	if (expect_false (next->flags & CF_DESTROYED))	1413	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1352	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1414	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1353		1415
1354	#if !PERL_VERSION_ATLEAST (5,10,0)	1416	#if !PERL_VERSION_ATLEAST (5,10,0)
1355	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1417	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1356	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1418	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1357	#endif	1419	#endif
…		…
1395	coro_setup (aTHX_ next);	1457	coro_setup (aTHX_ next);
1396	}	1458	}
1397	else	1459	else
1398	load_perl (aTHX_ next);	1460	load_perl (aTHX_ next);
1399		1461
1400	assert (!prev->cctx);//D temporary
1401
1402	/* possibly untie and reuse the cctx */	1462	/* possibly untie and reuse the cctx */
1403	if (expect_true (	1463	if (expect_true (
1404	cctx_current->idle_sp == STACKLEVEL	1464	cctx_current->idle_sp == STACKLEVEL
1405	&& !(cctx_current->flags & CC_TRACE)	1465	&& !(cctx_current->flags & CC_TRACE)
1406	&& !force_cctx	1466	&& !force_cctx
…		…
1447	coro_state_destroy (pTHX_ struct coro *coro)	1507	coro_state_destroy (pTHX_ struct coro *coro)
1448	{	1508	{
1449	if (coro->flags & CF_DESTROYED)	1509	if (coro->flags & CF_DESTROYED)
1450	return 0;	1510	return 0;
1451		1511
1452	if (coro->on_destroy)	1512	if (coro->on_destroy && !PL_dirty)
1453	coro->on_destroy (aTHX_ coro);	1513	coro->on_destroy (aTHX_ coro);
1454		1514
1455	coro->flags \|= CF_DESTROYED;	1515	coro->flags \|= CF_DESTROYED;
1456		1516
1457	if (coro->flags & CF_READY)	1517	if (coro->flags & CF_READY)
…		…
1461	--coro_nready;	1521	--coro_nready;
1462	}	1522	}
1463	else	1523	else
1464	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1524	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1465		1525
1466	if (coro->mainstack && coro->mainstack != main_mainstack)	1526	if (coro->mainstack
1467	{	1527	&& coro->mainstack != main_mainstack
1468	struct coro temp;	1528	&& coro->slot
1469		1529	&& !PL_dirty)
1470	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1471
1472	save_perl (aTHX_ &temp);
1473	load_perl (aTHX_ coro);
1474
1475	coro_destruct (aTHX_ coro);	1530	coro_destruct_perl (aTHX_ coro);
1476
1477	load_perl (aTHX_ &temp);
1478
1479	coro->slot = 0;
1480	}
1481		1531
1482	cctx_destroy (coro->cctx);	1532	cctx_destroy (coro->cctx);
1483	SvREFCNT_dec (coro->startcv);	1533	SvREFCNT_dec (coro->startcv);
1484	SvREFCNT_dec (coro->args);	1534	SvREFCNT_dec (coro->args);
1485	SvREFCNT_dec (CORO_THROW);	1535	SvREFCNT_dec (CORO_THROW);
…		…
1572	/ Coro ******************************************************************/	1622	/ Coro ******************************************************************/
1573		1623
1574	INLINE void	1624	INLINE void
1575	coro_enq (pTHX_ struct coro *coro)	1625	coro_enq (pTHX_ struct coro *coro)
1576	{	1626	{
1577	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1627	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1578	}
1579		1628
1580	INLINE SV *	1629	SvREFCNT_inc_NN (coro->hv);
		1630
		1631	coro->next_ready = 0;
		1632	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1633	ready [1] = coro;
		1634	}
		1635
		1636	INLINE struct coro *
1581	coro_deq (pTHX)	1637	coro_deq (pTHX)
1582	{	1638	{
1583	int prio;	1639	int prio;
1584		1640
1585	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1641	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1586	if (AvFILLp (coro_ready [prio]) >= 0)	1642	{
1587	return av_shift (coro_ready [prio]);	1643	struct coro **ready = coro_ready [prio];
		1644
		1645	if (ready [0])
		1646	{
		1647	struct coro *coro = ready [0];
		1648	ready [0] = coro->next_ready;
		1649	return coro;
		1650	}
		1651	}
1588		1652
1589	return 0;	1653	return 0;
1590	}	1654	}
1591		1655
1592	static int	1656	static int
…		…
1656	static void	1720	static void
1657	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1721	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1658	{	1722	{
1659	for (;;)	1723	for (;;)
1660	{	1724	{
1661	SV *next_sv = coro_deq (aTHX);	1725	struct coro *next = coro_deq (aTHX);
1662		1726
1663	if (expect_true (next_sv))	1727	if (expect_true (next))
1664	{	1728	{
1665	struct coro *next = SvSTATE_hv (next_sv);
1666
1667	/* cannot transfer to destroyed coros, skip and look for next */	1729	/* cannot transfer to destroyed coros, skip and look for next */
1668	if (expect_false (next->flags & CF_DESTROYED))	1730	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1669	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1731	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1670	else	1732	else
1671	{	1733	{
1672	next->flags &= ~CF_READY;	1734	next->flags &= ~CF_READY;
1673	--coro_nready;	1735	--coro_nready;
1674		1736
…		…
1852	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1914	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1853	api_ready (aTHX_ sv_manager);	1915	api_ready (aTHX_ sv_manager);
1854		1916
1855	frame->prepare = prepare_schedule;	1917	frame->prepare = prepare_schedule;
1856	frame->check = slf_check_repeat;	1918	frame->check = slf_check_repeat;
		1919
		1920	/* as a minor optimisation, we could unwind all stacks here */
		1921	/* but that puts extra pressure on pp_slf, and is not worth much */
		1922	/coro_unwind_stacks (aTHX);/
1857	}	1923	}
1858		1924
1859	/*****************************************************************************/	1925	/*****************************************************************************/
1860	/* async pool handler */	1926	/* async pool handler */
1861		1927
…		…
1944	SV data = (SV )GENSUB_ARG;	2010	SV data = (SV )GENSUB_ARG;
1945		2011
1946	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2012	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1947	{	2013	{
1948	/* first call, set args */	2014	/* first call, set args */
		2015	SV *coro = SvRV (data);
1949	AV *av = newAV ();	2016	AV *av = newAV ();
1950	SV *coro = SvRV (data);
1951		2017
1952	SvRV_set (data, (SV *)av);	2018	SvRV_set (data, (SV *)av);
1953	api_ready (aTHX_ coro);
1954	SvREFCNT_dec (coro);
1955		2019
1956	/* better take a full copy of the arguments */	2020	/* better take a full copy of the arguments */
1957	while (items--)	2021	while (items--)
1958	av_store (av, items, newSVsv (ST (items)));	2022	av_store (av, items, newSVsv (ST (items)));
		2023
		2024	api_ready (aTHX_ coro);
		2025	SvREFCNT_dec (coro);
1959	}	2026	}
1960		2027
1961	XSRETURN_EMPTY;	2028	XSRETURN_EMPTY;
1962	}	2029	}
1963		2030
…		…
1980		2047
1981	EXTEND (SP, AvFILLp (av) + 1);	2048	EXTEND (SP, AvFILLp (av) + 1);
1982	for (i = 0; i <= AvFILLp (av); ++i)	2049	for (i = 0; i <= AvFILLp (av); ++i)
1983	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2050	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1984		2051
1985	/* we have stolen the elements, so ste length to zero and free */	2052	/* we have stolen the elements, so set length to zero and free */
1986	AvFILLp (av) = -1;	2053	AvFILLp (av) = -1;
1987	av_undef (av);	2054	av_undef (av);
1988		2055
1989	PUTBACK;	2056	PUTBACK;
1990	}	2057	}
…		…
2280		2347
2281	PL_op->op_ppaddr = pp_slf;	2348	PL_op->op_ppaddr = pp_slf;
2282	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2349	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2283		2350
2284	PL_op = (OP *)&slf_restore;	2351	PL_op = (OP *)&slf_restore;
		2352	}
		2353
		2354	/*****************************************************************************/
		2355	/* dynamic wind */
		2356
		2357	static void
		2358	on_enterleave_call (pTHX_ SV *cb)
		2359	{
		2360	dSP;
		2361
		2362	PUSHSTACK;
		2363
		2364	PUSHMARK (SP);
		2365	PUTBACK;
		2366	call_sv (cb, G_VOID \| G_DISCARD);
		2367	SPAGAIN;
		2368
		2369	POPSTACK;
		2370	}
		2371
		2372	static SV *
		2373	coro_avp_pop_and_free (pTHX_ AV **avp)
		2374	{
		2375	AV av = avp;
		2376	SV *res = av_pop (av);
		2377
		2378	if (AvFILLp (av) < 0)
		2379	{
		2380	*avp = 0;
		2381	SvREFCNT_dec (av);
		2382	}
		2383
		2384	return res;
		2385	}
		2386
		2387	static void
		2388	coro_pop_on_enter (pTHX_ void *coro)
		2389	{
		2390	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2391	SvREFCNT_dec (cb);
		2392	}
		2393
		2394	static void
		2395	coro_pop_on_leave (pTHX_ void *coro)
		2396	{
		2397	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2398	on_enterleave_call (aTHX_ sv_2mortal (cb));
2285	}	2399	}
2286		2400
2287	/*****************************************************************************/	2401	/*****************************************************************************/
2288	/* PerlIO::cede */	2402	/* PerlIO::cede */
2289		2403
…		…
2363	/* Coro::Semaphore & Coro::Signal */	2477	/* Coro::Semaphore & Coro::Signal */
2364		2478
2365	static SV *	2479	static SV *
2366	coro_waitarray_new (pTHX_ int count)	2480	coro_waitarray_new (pTHX_ int count)
2367	{	2481	{
2368	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2482	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2369	AV *av = newAV ();	2483	AV *av = newAV ();
2370	SV **ary;	2484	SV **ary;
2371		2485
2372	/* unfortunately, building manually saves memory */	2486	/* unfortunately, building manually saves memory */
2373	Newx (ary, 2, SV *);	2487	Newx (ary, 2, SV *);
2374	AvALLOC (av) = ary;	2488	AvALLOC (av) = ary;
		2489	#if PERL_VERSION_ATLEAST (5,10,0)
2375	/AvARRAY (av) = ary;/	2490	AvARRAY (av) = ary;
		2491	#else
2376	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2492	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2493	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2494	SvPVX ((SV )av) = (char )ary;
		2495	#endif
2377	AvMAX (av) = 1;	2496	AvMAX (av) = 1;
2378	AvFILLp (av) = 0;	2497	AvFILLp (av) = 0;
2379	ary [0] = newSViv (count);	2498	ary [0] = newSViv (count);
2380		2499
2381	return newRV_noinc ((SV *)av);	2500	return newRV_noinc ((SV *)av);
…		…
2512	{	2631	{
2513	/* callback form */	2632	/* callback form */
2514	AV av = (AV )SvRV (arg [0]);	2633	AV av = (AV )SvRV (arg [0]);
2515	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2634	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2516		2635
2517	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2636	av_push (av, SvREFCNT_inc_NN (cb_cv));
2518		2637
2519	if (SvIVX (AvARRAY (av)[0]) > 0)	2638	if (SvIVX (AvARRAY (av)[0]) > 0)
2520	coro_semaphore_adjust (aTHX_ av, 0);	2639	coro_semaphore_adjust (aTHX_ av, 0);
2521		2640
2522	frame->prepare = prepare_nop;	2641	frame->prepare = prepare_nop;
…		…
2546	AvARRAY (av)[0] = AvARRAY (av)[1];	2665	AvARRAY (av)[0] = AvARRAY (av)[1];
2547	AvARRAY (av)[1] = cb;	2666	AvARRAY (av)[1] = cb;
2548		2667
2549	cb = av_shift (av);	2668	cb = av_shift (av);
2550		2669
		2670	if (SvTYPE (cb) == SVt_PVCV)
		2671	{
		2672	dSP;
		2673	PUSHMARK (SP);
		2674	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2675	PUTBACK;
		2676	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2677	}
		2678	else
		2679	{
2551	api_ready (aTHX_ cb);	2680	api_ready (aTHX_ cb);
2552	sv_setiv (cb, 0); /* signal waiter */	2681	sv_setiv (cb, 0); /* signal waiter */
		2682	}
		2683
2553	SvREFCNT_dec (cb);	2684	SvREFCNT_dec (cb);
2554		2685
2555	--count;	2686	--count;
2556	}	2687	}
2557	}	2688	}
…		…
2566	static void	2697	static void
2567	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2698	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2568	{	2699	{
2569	AV av = (AV )SvRV (arg [0]);	2700	AV av = (AV )SvRV (arg [0]);
2570		2701
		2702	if (items >= 2)
		2703	{
		2704	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2705	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2706
2571	if (SvIVX (AvARRAY (av)[0]))	2707	if (SvIVX (AvARRAY (av)[0]))
		2708	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2709
		2710	frame->prepare = prepare_nop;
		2711	frame->check = slf_check_nop;
		2712	}
		2713	else if (SvIVX (AvARRAY (av)[0]))
2572	{	2714	{
2573	SvIVX (AvARRAY (av)[0]) = 0;	2715	SvIVX (AvARRAY (av)[0]) = 0;
2574	frame->prepare = prepare_nop;	2716	frame->prepare = prepare_nop;
2575	frame->check = slf_check_nop;	2717	frame->check = slf_check_nop;
2576	}	2718	}
2577	else	2719	else
2578	{	2720	{
2579	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2721	SV waiter = newSVsv (coro_current); / owned by signal av */
2580		2722
2581	av_push (av, waiter);	2723	av_push (av, waiter);
2582		2724
2583	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2725	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2584	frame->prepare = prepare_schedule;	2726	frame->prepare = prepare_schedule;
…		…
2910	SV *	3052	SV *
2911	clone (Coro::State coro)	3053	clone (Coro::State coro)
2912	CODE:	3054	CODE:
2913	{	3055	{
2914	#if CORO_CLONE	3056	#if CORO_CLONE
2915	struct coro *ncoro = coro_clone (coro);	3057	struct coro *ncoro = coro_clone (aTHX_ coro);
2916	MAGIC *mg;	3058	MAGIC *mg;
2917	/* TODO: too much duplication */	3059	/* TODO: too much duplication */
2918	ncoro->hv = newHV ();	3060	ncoro->hv = newHV ();
2919	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3061	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2920	mg->mg_flags \|= MGf_DUP;	3062	mg->mg_flags \|= MGf_DUP;
…		…
2982	eval = 1	3124	eval = 1
2983	CODE:	3125	CODE:
2984	{	3126	{
2985	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3127	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2986	{	3128	{
2987	struct coro temp;	3129	struct coro *current = SvSTATE_current;
2988		3130
2989	if (!(coro->flags & CF_RUNNING))	3131	if (current != coro)
2990	{	3132	{
2991	PUTBACK;	3133	PUTBACK;
2992	save_perl (aTHX_ &temp);	3134	save_perl (aTHX_ current);
2993	load_perl (aTHX_ coro);	3135	load_perl (aTHX_ coro);
		3136	SPAGAIN;
2994	}	3137	}
2995		3138
2996	{
2997	dSP;
2998	ENTER;
2999	SAVETMPS;
3000	PUTBACK;
3001	PUSHSTACK;	3139	PUSHSTACK;
		3140
3002	PUSHMARK (SP);	3141	PUSHMARK (SP);
		3142	PUTBACK;
3003		3143
3004	if (ix)	3144	if (ix)
3005	eval_sv (coderef, 0);	3145	eval_sv (coderef, 0);
3006	else	3146	else
3007	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3147	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3008		3148
3009	POPSTACK;	3149	POPSTACK;
3010	SPAGAIN;	3150	SPAGAIN;
3011	FREETMPS;
3012	LEAVE;
3013	PUTBACK;
3014	}
3015		3151
3016	if (!(coro->flags & CF_RUNNING))	3152	if (current != coro)
3017	{	3153	{
		3154	PUTBACK;
3018	save_perl (aTHX_ coro);	3155	save_perl (aTHX_ coro);
3019	load_perl (aTHX_ &temp);	3156	load_perl (aTHX_ current);
3020	SPAGAIN;	3157	SPAGAIN;
3021	}	3158	}
3022	}	3159	}
3023	}	3160	}
3024		3161
…		…
3028	ALIAS:	3165	ALIAS:
3029	is_ready = CF_READY	3166	is_ready = CF_READY
3030	is_running = CF_RUNNING	3167	is_running = CF_RUNNING
3031	is_new = CF_NEW	3168	is_new = CF_NEW
3032	is_destroyed = CF_DESTROYED	3169	is_destroyed = CF_DESTROYED
		3170	is_suspended = CF_SUSPENDED
3033	CODE:	3171	CODE:
3034	RETVAL = boolSV (coro->flags & ix);	3172	RETVAL = boolSV (coro->flags & ix);
3035	OUTPUT:	3173	OUTPUT:
3036	RETVAL	3174	RETVAL
3037		3175
…		…
3041	CODE:	3179	CODE:
3042	{	3180	{
3043	struct coro *current = SvSTATE_current;	3181	struct coro *current = SvSTATE_current;
3044	SV **throwp = self == current ? &CORO_THROW : &self->except;	3182	SV **throwp = self == current ? &CORO_THROW : &self->except;
3045	SvREFCNT_dec (*throwp);	3183	SvREFCNT_dec (*throwp);
		3184	SvGETMAGIC (throw);
3046	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3185	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3047	}	3186	}
3048		3187
3049	void	3188	void
3050	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3189	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3102	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3241	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3103		3242
3104	SV tmp = src; src = dst; *dst = tmp;	3243	SV tmp = src; src = dst; *dst = tmp;
3105	}	3244	}
3106		3245
		3246	void
		3247	cancel (Coro::State self)
		3248	CODE:
		3249	coro_state_destroy (aTHX_ self);
		3250	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3251
3107		3252
3108	MODULE = Coro::State PACKAGE = Coro	3253	MODULE = Coro::State PACKAGE = Coro
3109		3254
3110	BOOT:	3255	BOOT:
3111	{	3256	{
3112	int i;
3113
3114	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3257	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3115	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3258	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3116	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3259	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3117	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3260	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3118	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3261	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3119	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3262	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3120	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3263	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3121	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3264	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
…		…
3132	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3275	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
3133	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3276	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
3134	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3277	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
3135	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3278	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
3136	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3279	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
3137
3138	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3139	coro_ready[i] = newAV ();
3140		3280
3141	{	3281	{
3142	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3282	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3143		3283
3144	coroapi.schedule = api_schedule;	3284	coroapi.schedule = api_schedule;
…		…
3185	cede_notself (...)	3325	cede_notself (...)
3186	CODE:	3326	CODE:
3187	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3327	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3188		3328
3189	void	3329	void
3190	_cancel (Coro::State self)
3191	CODE:
3192	coro_state_destroy (aTHX_ self);
3193	coro_call_on_destroy (aTHX_ self);
3194
3195	void
3196	_set_current (SV *current)	3330	_set_current (SV *current)
3197	PROTOTYPE: $	3331	PROTOTYPE: $
3198	CODE:	3332	CODE:
3199	SvREFCNT_dec (SvRV (coro_current));	3333	SvREFCNT_dec (SvRV (coro_current));
3200	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3334	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3202	void	3336	void
3203	_set_readyhook (SV *hook)	3337	_set_readyhook (SV *hook)
3204	PROTOTYPE: $	3338	PROTOTYPE: $
3205	CODE:	3339	CODE:
3206	SvREFCNT_dec (coro_readyhook);	3340	SvREFCNT_dec (coro_readyhook);
		3341	SvGETMAGIC (hook);
3207	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3342	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3208		3343
3209	int	3344	int
3210	prio (Coro::State coro, int newprio = 0)	3345	prio (Coro::State coro, int newprio = 0)
3211	PROTOTYPE: $;$	3346	PROTOTYPE: $;$
…		…
3242	PROTOTYPE:	3377	PROTOTYPE:
3243	CODE:	3378	CODE:
3244	RETVAL = coro_nready;	3379	RETVAL = coro_nready;
3245	OUTPUT:	3380	OUTPUT:
3246	RETVAL	3381	RETVAL
		3382
		3383	void
		3384	suspend (Coro::State self)
		3385	PROTOTYPE: $
		3386	CODE:
		3387	self->flags \|= CF_SUSPENDED;
		3388
		3389	void
		3390	resume (Coro::State self)
		3391	PROTOTYPE: $
		3392	CODE:
		3393	self->flags &= ~CF_SUSPENDED;
3247		3394
3248	void	3395	void
3249	_pool_handler (...)	3396	_pool_handler (...)
3250	CODE:	3397	CODE:
3251	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3398	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3306	rouse_wait (...)	3453	rouse_wait (...)
3307	PROTOTYPE: ;$	3454	PROTOTYPE: ;$
3308	PPCODE:	3455	PPCODE:
3309	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3456	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3310		3457
		3458	void
		3459	on_enter (SV *block)
		3460	ALIAS:
		3461	on_leave = 1
		3462	PROTOTYPE: &
		3463	CODE:
		3464	{
		3465	struct coro *coro = SvSTATE_current;
		3466	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3467
		3468	block = (SV *)coro_sv_2cv (aTHX_ block);
		3469
		3470	if (!*avp)
		3471	*avp = newAV ();
		3472
		3473	av_push (*avp, SvREFCNT_inc (block));
		3474
		3475	if (!ix)
		3476	on_enterleave_call (aTHX_ block);
		3477
		3478	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3479	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3480	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3481	}
		3482
3311		3483
3312	MODULE = Coro::State PACKAGE = PerlIO::cede	3484	MODULE = Coro::State PACKAGE = PerlIO::cede
3313		3485
3314	BOOT:	3486	BOOT:
3315	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3487	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3318	MODULE = Coro::State PACKAGE = Coro::Semaphore	3490	MODULE = Coro::State PACKAGE = Coro::Semaphore
3319		3491
3320	SV *	3492	SV *
3321	new (SV klass, SV count = 0)	3493	new (SV klass, SV count = 0)
3322	CODE:	3494	CODE:
		3495	{
		3496	int semcnt = 1;
		3497
		3498	if (count)
		3499	{
		3500	SvGETMAGIC (count);
		3501
		3502	if (SvOK (count))
		3503	semcnt = SvIV (count);
		3504	}
		3505
3323	RETVAL = sv_bless (	3506	RETVAL = sv_bless (
3324	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3507	coro_waitarray_new (aTHX_ semcnt),
3325	GvSTASH (CvGV (cv))	3508	GvSTASH (CvGV (cv))
3326	);	3509	);
		3510	}
3327	OUTPUT:	3511	OUTPUT:
3328	RETVAL	3512	RETVAL
3329		3513
3330	# helper for Coro::Channel	3514	# helper for Coro::Channel and others
3331	SV *	3515	SV *
3332	_alloc (int count)	3516	_alloc (int count)
3333	CODE:	3517	CODE:
3334	RETVAL = coro_waitarray_new (aTHX_ count);	3518	RETVAL = coro_waitarray_new (aTHX_ count);
3335	OUTPUT:	3519	OUTPUT:
…		…
3393	for (i = 1; i <= wcount; ++i)	3577	for (i = 1; i <= wcount; ++i)
3394	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3578	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3395	}	3579	}
3396	}	3580	}
3397		3581
		3582	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3583
		3584	void
		3585	_may_delete (SV *sem, int count, int extra_refs)
		3586	PPCODE:
		3587	{
		3588	AV av = (AV )SvRV (sem);
		3589
		3590	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3591	&& AvFILLp (av) == 0 /* no waiters, just count */
		3592	&& SvIV (AvARRAY (av)[0]) == count)
		3593	XSRETURN_YES;
		3594
		3595	XSRETURN_NO;
		3596	}
		3597
3398	MODULE = Coro::State PACKAGE = Coro::Signal	3598	MODULE = Coro::State PACKAGE = Coro::Signal
3399		3599
3400	SV *	3600	SV *
3401	new (SV *klass)	3601	new (SV *klass)
3402	CODE:	3602	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.328 by root, Tue Nov 25 09:49:43 2008 UTC vs. Revision 1.357 by root, Sat Jun 27 14:09:28 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.328 by root, Tue Nov 25 09:49:43 2008 UTC vs.
Revision 1.357 by root, Sat Jun 27 14:09:28 2009 UTC