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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.325 by root, Sun Nov 23 06:48:45 2008 UTC vs.
Revision 1.348 by root, Wed Jun 10 00:20:26 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
…		…
175	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */	176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
177		177
178	static AV av_destroy; / destruction queue */	178	static AV av_destroy; / destruction queue */
179	static SV sv_manager; / the manager coro */	179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
180		181
181	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
182	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
183	static SV *rv_diehook;	184	static SV *rv_diehook;
184	static SV *rv_warnhook;	185	static SV *rv_warnhook;
…		…
237	enum {	238	enum {
238	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
239	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
240	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
241	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 */
242	};	244	};
243		245
244	/* 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 */
245	typedef struct	247	typedef struct
246	{	248	{
247	SV *defsv;	249	SV *defsv;
248	AV *defav;	250	AV *defav;
249	SV *errsv;	251	SV *errsv;
250	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
251	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
252	# include "state.h"	255	# include "state.h"
253	#undef VAR	256	#undef VAR
254	} perl_slots;	257	} perl_slots;
255		258
…		…
257		260
258	/* this is a structure representing a perl-level coroutine */	261	/* this is a structure representing a perl-level coroutine */
259	struct coro {	262	struct coro {
260	/* the C coroutine allocated to this perl coroutine, if any */	263	/* the C coroutine allocated to this perl coroutine, if any */
261	coro_cctx *cctx;	264	coro_cctx *cctx;
		265
		266	/* ready queue */
		267	struct coro *next_ready;
262		268
263	/* state data */	269	/* state data */
264	struct CoroSLF slf_frame; /* saved slf frame */	270	struct CoroSLF slf_frame; /* saved slf frame */
265	AV *mainstack;	271	AV *mainstack;
266	perl_slots slot; / basically the saved sp */	272	perl_slots slot; / basically the saved sp */
…		…
283	/* async_pool */	289	/* async_pool */
284	SV *saved_deffh;	290	SV *saved_deffh;
285	SV *invoke_cb;	291	SV *invoke_cb;
286	AV *invoke_av;	292	AV *invoke_av;
287		293
		294	/* on_enter/on_leave */
		295	AV *on_enter;
		296	AV *on_leave;
		297
288	/* linked list */	298	/* linked list */
289	struct coro next, prev;	299	struct coro next, prev;
290	};	300	};
291		301
292	typedef struct coro *Coro__State;	302	typedef struct coro *Coro__State;
…		…
307	#define PRIO_MIN -4	317	#define PRIO_MIN -4
308		318
309	/* for Coro.pm */	319	/* for Coro.pm */
310	static SV *coro_current;	320	static SV *coro_current;
311	static SV *coro_readyhook;	321	static SV *coro_readyhook;
312	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	322	static struct coro coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; / head\|tail */
313	static CV cv_coro_run, cv_coro_terminate;	323	static CV cv_coro_run, cv_coro_terminate;
314	static struct coro *coro_first;	324	static struct coro *coro_first;
315	#define coro_nready coroapi.nready	325	#define coro_nready coroapi.nready
316		326
317	/ lowlevel stuff ********************************************************/	327	/ lowlevel stuff ********************************************************/
…		…
350	INLINE CV *	360	INLINE CV *
351	coro_sv_2cv (pTHX_ SV *sv)	361	coro_sv_2cv (pTHX_ SV *sv)
352	{	362	{
353	HV *st;	363	HV *st;
354	GV *gvp;	364	GV *gvp;
355	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;
356	}	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 */
357		424
358	static AV *	425	static AV *
359	coro_derive_padlist (pTHX_ CV *cv)	426	coro_derive_padlist (pTHX_ CV *cv)
360	{	427	{
361	AV *padlist = CvPADLIST (cv);	428	AV *padlist = CvPADLIST (cv);
…		…
369	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	436	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370	#endif	437	#endif
371	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	438	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372	--AvFILLp (padlist);	439	--AvFILLp (padlist);
373		440
374	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	441	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375	av_store (newpadlist, 1, (SV *)newpad);	442	av_store (newpadlist, 1, (SV *)newpad);
376		443
377	return newpadlist;	444	return newpadlist;
378	}	445	}
379		446
380	static void	447	static void
381	free_padlist (pTHX_ AV *padlist)	448	free_padlist (pTHX_ AV *padlist)
382	{	449	{
383	/* may be during global destruction */	450	/* may be during global destruction */
384	if (SvREFCNT (padlist))	451	if (!IN_DESTRUCT)
385	{	452	{
386	I32 i = AvFILLp (padlist);	453	I32 i = AvFILLp (padlist);
387	while (i >= 0)	454
		455	while (i > 0) /* special-case index 0 */
388	{	456	{
389	SV **svp = av_fetch (padlist, i--, FALSE);	457	/* we try to be extra-careful here */
390	if (svp)	458	AV av = (AV )AvARRAY (padlist)[i--];
391	{	459	I32 j = AvFILLp (av);
392	SV *sv;	460
393	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	461	while (j >= 0)
		462	SvREFCNT_dec (AvARRAY (av)[j--]);
		463
		464	AvFILLp (av) = -1;
394	SvREFCNT_dec (sv);	465	SvREFCNT_dec (av);
395
396	SvREFCNT_dec (*svp);
397	}
398	}	466	}
399		467
		468	SvREFCNT_dec (AvARRAY (padlist)[0]);
		469
		470	AvFILLp (padlist) = -1;
400	SvREFCNT_dec ((SV*)padlist);	471	SvREFCNT_dec ((SV*)padlist);
401	}	472	}
402	}	473	}
403		474
404	static int	475	static int
…		…
413		484
414	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	485	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415		486
416	return 0;	487	return 0;
417	}	488	}
418
419	#define CORO_MAGIC_type_cv 26
420	#define CORO_MAGIC_type_state PERL_MAGIC_ext
421		489
422	static MGVTBL coro_cv_vtbl = {	490	static MGVTBL coro_cv_vtbl = {
423	0, 0, 0, 0,	491	0, 0, 0, 0,
424	coro_cv_free	492	coro_cv_free
425	};	493	};
426
427	#define CORO_MAGIC_NN(sv, type) \
428	(expect_true (SvMAGIC (sv)->mg_type == type) \
429	? SvMAGIC (sv) \
430	: mg_find (sv, type))
431
432	#define CORO_MAGIC(sv, type) \
433	(expect_true (SvMAGIC (sv)) \
434	? CORO_MAGIC_NN (sv, type) \
435	: 0)
436
437	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
438	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
439
440	INLINE struct coro *
441	SvSTATE_ (pTHX_ SV *coro)
442	{
443	HV *stash;
444	MAGIC *mg;
445
446	if (SvROK (coro))
447	coro = SvRV (coro);
448
449	if (expect_false (SvTYPE (coro) != SVt_PVHV))
450	croak ("Coro::State object required");
451
452	stash = SvSTASH (coro);
453	if (expect_false (stash != coro_stash && stash != coro_state_stash))
454	{
455	/* very slow, but rare, check */
456	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
457	croak ("Coro::State object required");
458	}
459
460	mg = CORO_MAGIC_state (coro);
461	return (struct coro *)mg->mg_ptr;
462	}
463
464	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
465
466	/* faster than SvSTATE, but expects a coroutine hv */
467	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
468	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
469		494
470	/* the next two functions merely cache the padlists */	495	/* the next two functions merely cache the padlists */
471	static void	496	static void
472	get_padlist (pTHX_ CV *cv)	497	get_padlist (pTHX_ CV *cv)
473	{	498	{
…		…
501	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);
502		527
503	av = (AV *)mg->mg_obj;	528	av = (AV *)mg->mg_obj;
504		529
505	if (expect_false (AvFILLp (av) >= AvMAX (av)))	530	if (expect_false (AvFILLp (av) >= AvMAX (av)))
506	av_extend (av, AvMAX (av) + 1);	531	av_extend (av, AvFILLp (av) + 1);
507		532
508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509	}	534	}
510		535
511	/ load & save, init *****************************************************/	536	/ load & save, init *****************************************************/
		537
		538	static void
		539	on_enterleave_call (pTHX_ SV *cb);
512		540
513	static void	541	static void
514	load_perl (pTHX_ Coro__State c)	542	load_perl (pTHX_ Coro__State c)
515	{	543	{
516	perl_slots *slot = c->slot;	544	perl_slots *slot = c->slot;
517	c->slot = 0;	545	c->slot = 0;
518		546
519	PL_mainstack = c->mainstack;	547	PL_mainstack = c->mainstack;
520		548
521	GvSV (PL_defgv) = slot->defsv;	549	GvSV (PL_defgv) = slot->defsv;
522	GvAV (PL_defgv) = slot->defav;	550	GvAV (PL_defgv) = slot->defav;
523	GvSV (PL_errgv) = slot->errsv;	551	GvSV (PL_errgv) = slot->errsv;
524	GvSV (irsgv) = slot->irsgv;	552	GvSV (irsgv) = slot->irsgv;
		553	GvHV (PL_hintgv) = slot->hinthv;
525		554
526	#define VAR(name,type) PL_ ## name = slot->name;	555	#define VAR(name,type) PL_ ## name = slot->name;
527	# include "state.h"	556	# include "state.h"
528	#undef VAR	557	#undef VAR
529		558
…		…
543	PUTBACK;	572	PUTBACK;
544	}	573	}
545		574
546	slf_frame = c->slf_frame;	575	slf_frame = c->slf_frame;
547	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	}
548	}	585	}
549		586
550	static void	587	static void
551	save_perl (pTHX_ Coro__State c)	588	save_perl (pTHX_ Coro__State c)
552	{	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
553	c->except = CORO_THROW;	598	c->except = CORO_THROW;
554	c->slf_frame = slf_frame;	599	c->slf_frame = slf_frame;
555		600
556	{	601	{
557	dSP;	602	dSP;
…		…
615	c->mainstack = PL_mainstack;	660	c->mainstack = PL_mainstack;
616		661
617	{	662	{
618	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	663	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
619		664
620	slot->defav = GvAV (PL_defgv);	665	slot->defav = GvAV (PL_defgv);
621	slot->defsv = DEFSV;	666	slot->defsv = DEFSV;
622	slot->errsv = ERRSV;	667	slot->errsv = ERRSV;
623	slot->irsgv = GvSV (irsgv);	668	slot->irsgv = GvSV (irsgv);
		669	slot->hinthv = GvHV (PL_hintgv);
624		670
625	#define VAR(name,type) slot->name = PL_ ## name;	671	#define VAR(name,type) slot->name = PL_ ## name;
626	# include "state.h"	672	# include "state.h"
627	#undef VAR	673	#undef VAR
628	}	674	}
…		…
755	#endif	801	#endif
756		802
757	/*	803	/*
758	* This overrides the default magic get method of %SIG elements.	804	* This overrides the default magic get method of %SIG elements.
759	* 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
760	* 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
761	* readback here.	807	* readback here.
762	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
763	* not expecting this to actually change the hook. This is a potential problem
764	* when a schedule happens then, but we ignore this.
765	*/	808	*/
766	static int	809	static int
767	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	810	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
768	{	811	{
769	const char *s = MgPV_nolen_const (mg);	812	const char *s = MgPV_nolen_const (mg);
…		…
822	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	865	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823		866
824	if (svp)	867	if (svp)
825	{	868	{
826	SV old = svp;	869	SV old = svp;
827	*svp = newSVsv (sv);	870	*svp = SvOK (sv) ? newSVsv (sv) : 0;
828	SvREFCNT_dec (old);	871	SvREFCNT_dec (old);
829	return 0;	872	return 0;
830	}	873	}
831	}	874	}
832		875
…		…
864		907
865	PL_runops = RUNOPS_DEFAULT;	908	PL_runops = RUNOPS_DEFAULT;
866	PL_curcop = &PL_compiling;	909	PL_curcop = &PL_compiling;
867	PL_in_eval = EVAL_NULL;	910	PL_in_eval = EVAL_NULL;
868	PL_comppad = 0;	911	PL_comppad = 0;
		912	PL_comppad_name = 0;
		913	PL_comppad_name_fill = 0;
		914	PL_comppad_name_floor = 0;
869	PL_curpm = 0;	915	PL_curpm = 0;
870	PL_curpad = 0;	916	PL_curpad = 0;
871	PL_localizing = 0;	917	PL_localizing = 0;
872	PL_dirty = 0;	918	PL_dirty = 0;
873	PL_restartop = 0;	919	PL_restartop = 0;
874	#if PERL_VERSION_ATLEAST (5,10,0)	920	#if PERL_VERSION_ATLEAST (5,10,0)
875	PL_parser = 0;	921	PL_parser = 0;
876	#endif	922	#endif
		923	PL_hints = 0;
877		924
878	/* recreate the die/warn hooks */	925	/* recreate the die/warn hooks */
879	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	926	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
880	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	927	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
881		928
882	GvSV (PL_defgv) = newSV (0);	929	GvSV (PL_defgv) = newSV (0);
883	GvAV (PL_defgv) = coro->args; coro->args = 0;	930	GvAV (PL_defgv) = coro->args; coro->args = 0;
884	GvSV (PL_errgv) = newSV (0);	931	GvSV (PL_errgv) = newSV (0);
885	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	932	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		933	GvHV (PL_hintgv) = 0;
886	PL_rs = newSVsv (GvSV (irsgv));	934	PL_rs = newSVsv (GvSV (irsgv));
887	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	935	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888		936
889	{	937	{
890	dSP;	938	dSP;
…		…
919	/* copy throw, in case it was set before coro_setup */	967	/* copy throw, in case it was set before coro_setup */
920	CORO_THROW = coro->except;	968	CORO_THROW = coro->except;
921	}	969	}
922		970
923	static void	971	static void
924	coro_destruct (pTHX_ struct coro *coro)	972	coro_unwind_stacks (pTHX)
925	{	973	{
926	if (!IN_DESTRUCT)	974	if (!IN_DESTRUCT)
927	{	975	{
928	/* restore all saved variables and stuff */	976	/* restore all saved variables and stuff */
929	LEAVE_SCOPE (0);	977	LEAVE_SCOPE (0);
…		…
937	POPSTACK_TO (PL_mainstack);	985	POPSTACK_TO (PL_mainstack);
938		986
939	/* unwind main stack */	987	/* unwind main stack */
940	dounwind (-1);	988	dounwind (-1);
941	}	989	}
		990	}
		991
		992	static void
		993	coro_destruct_perl (pTHX_ struct coro *coro)
		994	{
		995	coro_unwind_stacks (aTHX);
942		996
943	SvREFCNT_dec (GvSV (PL_defgv));	997	SvREFCNT_dec (GvSV (PL_defgv));
944	SvREFCNT_dec (GvAV (PL_defgv));	998	SvREFCNT_dec (GvAV (PL_defgv));
945	SvREFCNT_dec (GvSV (PL_errgv));	999	SvREFCNT_dec (GvSV (PL_errgv));
946	SvREFCNT_dec (PL_defoutgv);	1000	SvREFCNT_dec (PL_defoutgv);
947	SvREFCNT_dec (PL_rs);	1001	SvREFCNT_dec (PL_rs);
948	SvREFCNT_dec (GvSV (irsgv));	1002	SvREFCNT_dec (GvSV (irsgv));
		1003	SvREFCNT_dec (GvHV (PL_hintgv));
949		1004
950	SvREFCNT_dec (PL_diehook);	1005	SvREFCNT_dec (PL_diehook);
951	SvREFCNT_dec (PL_warnhook);	1006	SvREFCNT_dec (PL_warnhook);
952		1007
953	SvREFCNT_dec (coro->saved_deffh);	1008	SvREFCNT_dec (coro->saved_deffh);
…		…
1168	/*	1223	/*
1169	* If perl-run returns we assume exit() was being called or the coro	1224	* If perl-run returns we assume exit() was being called or the coro
1170	* fell off the end, which seems to be the only valid (non-bug)	1225	* fell off the end, which seems to be the only valid (non-bug)
1171	* reason for perl_run to return. We try to exit by jumping to the	1226	* reason for perl_run to return. We try to exit by jumping to the
1172	* bootstrap-time "top" top_env, as we cannot restore the "main"	1227	* bootstrap-time "top" top_env, as we cannot restore the "main"
1173	* coroutine as Coro has no such concept	1228	* coroutine as Coro has no such concept.
		1229	* This actually isn't valid with the pthread backend, but OSes requiring
		1230	* that backend are too broken to do it in a standards-compliant way.
1174	*/	1231	*/
1175	PL_top_env = main_top_env;	1232	PL_top_env = main_top_env;
1176	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1233	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1177	}	1234	}
1178	}	1235	}
…		…
1255	cctx_destroy (coro_cctx *cctx)	1312	cctx_destroy (coro_cctx *cctx)
1256	{	1313	{
1257	if (!cctx)	1314	if (!cctx)
1258	return;	1315	return;
1259		1316
1260	assert (cctx != cctx_current);//D temporary	1317	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1261		1318
1262	--cctx_count;	1319	--cctx_count;
1263	coro_destroy (&cctx->cctx);	1320	coro_destroy (&cctx->cctx);
1264		1321
1265	/* coro_transfer creates new, empty cctx's */	1322	/* coro_transfer creates new, empty cctx's */
…		…
1329	/* TODO: throwing up here is considered harmful */	1386	/* TODO: throwing up here is considered harmful */
1330		1387
1331	if (expect_true (prev != next))	1388	if (expect_true (prev != next))
1332	{	1389	{
1333	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1390	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1334	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1391	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1335		1392
1336	if (expect_false (next->flags & CF_RUNNING))
1337	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1338
1339	if (expect_false (next->flags & CF_DESTROYED))	1393	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1340	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1394	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1341		1395
1342	#if !PERL_VERSION_ATLEAST (5,10,0)	1396	#if !PERL_VERSION_ATLEAST (5,10,0)
1343	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1397	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1344	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1398	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1345	#endif	1399	#endif
…		…
1383	coro_setup (aTHX_ next);	1437	coro_setup (aTHX_ next);
1384	}	1438	}
1385	else	1439	else
1386	load_perl (aTHX_ next);	1440	load_perl (aTHX_ next);
1387		1441
1388	assert (!prev->cctx);//D temporary
1389
1390	/* possibly untie and reuse the cctx */	1442	/* possibly untie and reuse the cctx */
1391	if (expect_true (	1443	if (expect_true (
1392	cctx_current->idle_sp == STACKLEVEL	1444	cctx_current->idle_sp == STACKLEVEL
1393	&& !(cctx_current->flags & CC_TRACE)	1445	&& !(cctx_current->flags & CC_TRACE)
1394	&& !force_cctx	1446	&& !force_cctx
…		…
1435	coro_state_destroy (pTHX_ struct coro *coro)	1487	coro_state_destroy (pTHX_ struct coro *coro)
1436	{	1488	{
1437	if (coro->flags & CF_DESTROYED)	1489	if (coro->flags & CF_DESTROYED)
1438	return 0;	1490	return 0;
1439		1491
1440	if (coro->on_destroy)	1492	if (coro->on_destroy && !PL_dirty)
1441	coro->on_destroy (aTHX_ coro);	1493	coro->on_destroy (aTHX_ coro);
1442		1494
1443	coro->flags \|= CF_DESTROYED;	1495	coro->flags \|= CF_DESTROYED;
1444		1496
1445	if (coro->flags & CF_READY)	1497	if (coro->flags & CF_READY)
…		…
1449	--coro_nready;	1501	--coro_nready;
1450	}	1502	}
1451	else	1503	else
1452	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1504	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1453		1505
1454	if (coro->mainstack && coro->mainstack != main_mainstack)	1506	if (coro->mainstack
		1507	&& coro->mainstack != main_mainstack
		1508	&& coro->slot
		1509	&& !PL_dirty)
1455	{	1510	{
1456	struct coro temp;	1511	struct coro *current = SvSTATE_current;
1457		1512
1458	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1513	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1459		1514
1460	save_perl (aTHX_ &temp);	1515	save_perl (aTHX_ current);
1461	load_perl (aTHX_ coro);	1516	load_perl (aTHX_ coro);
1462		1517
1463	coro_destruct (aTHX_ coro);	1518	coro_destruct_perl (aTHX_ coro);
1464		1519
1465	load_perl (aTHX_ &temp);	1520	load_perl (aTHX_ current);
1466		1521
1467	coro->slot = 0;	1522	coro->slot = 0;
1468	}	1523	}
1469		1524
1470	cctx_destroy (coro->cctx);	1525	cctx_destroy (coro->cctx);
…		…
1560	/ Coro ******************************************************************/	1615	/ Coro ******************************************************************/
1561		1616
1562	INLINE void	1617	INLINE void
1563	coro_enq (pTHX_ struct coro *coro)	1618	coro_enq (pTHX_ struct coro *coro)
1564	{	1619	{
1565	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1620	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1566	}
1567		1621
1568	INLINE SV *	1622	SvREFCNT_inc_NN (coro->hv);
		1623
		1624	coro->next_ready = 0;
		1625	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1626	ready [1] = coro;
		1627	}
		1628
		1629	INLINE struct coro *
1569	coro_deq (pTHX)	1630	coro_deq (pTHX)
1570	{	1631	{
1571	int prio;	1632	int prio;
1572		1633
1573	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1634	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1574	if (AvFILLp (coro_ready [prio]) >= 0)	1635	{
1575	return av_shift (coro_ready [prio]);	1636	struct coro **ready = coro_ready [prio];
		1637
		1638	if (ready [0])
		1639	{
		1640	struct coro *coro = ready [0];
		1641	ready [0] = coro->next_ready;
		1642	return coro;
		1643	}
		1644	}
1576		1645
1577	return 0;	1646	return 0;
1578	}	1647	}
1579		1648
1580	static int	1649	static int
…		…
1582	{	1651	{
1583	struct coro *coro;	1652	struct coro *coro;
1584	SV *sv_hook;	1653	SV *sv_hook;
1585	void (*xs_hook)(void);	1654	void (*xs_hook)(void);
1586		1655
1587	if (SvROK (coro_sv))
1588	coro_sv = SvRV (coro_sv);
1589
1590	coro = SvSTATE (coro_sv);	1656	coro = SvSTATE (coro_sv);
1591		1657
1592	if (coro->flags & CF_READY)	1658	if (coro->flags & CF_READY)
1593	return 0;	1659	return 0;
1594		1660
…		…
1647	static void	1713	static void
1648	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1714	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1649	{	1715	{
1650	for (;;)	1716	for (;;)
1651	{	1717	{
1652	SV *next_sv = coro_deq (aTHX);	1718	struct coro *next = coro_deq (aTHX);
1653		1719
1654	if (expect_true (next_sv))	1720	if (expect_true (next))
1655	{	1721	{
1656	struct coro *next = SvSTATE_hv (next_sv);
1657
1658	/* cannot transfer to destroyed coros, skip and look for next */	1722	/* cannot transfer to destroyed coros, skip and look for next */
1659	if (expect_false (next->flags & CF_DESTROYED))	1723	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1660	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1724	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1661	else	1725	else
1662	{	1726	{
1663	next->flags &= ~CF_READY;	1727	next->flags &= ~CF_READY;
1664	--coro_nready;	1728	--coro_nready;
1665		1729
…		…
1668	}	1732	}
1669	}	1733	}
1670	else	1734	else
1671	{	1735	{
1672	/* nothing to schedule: call the idle handler */	1736	/* nothing to schedule: call the idle handler */
		1737	if (SvROK (sv_idle)
		1738	&& SvOBJECT (SvRV (sv_idle)))
		1739	{
		1740	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1741	api_ready (aTHX_ SvRV (sv_idle));
		1742	--coro_nready;
		1743	}
		1744	else
		1745	{
1673	dSP;	1746	dSP;
1674		1747
1675	ENTER;	1748	ENTER;
1676	SAVETMPS;	1749	SAVETMPS;
1677		1750
1678	PUSHMARK (SP);	1751	PUSHMARK (SP);
1679	PUTBACK;	1752	PUTBACK;
1680	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1753	call_sv (sv_idle, G_VOID \| G_DISCARD);
1681		1754
1682	FREETMPS;	1755	FREETMPS;
1683	LEAVE;	1756	LEAVE;
		1757	}
1684	}	1758	}
1685	}	1759	}
1686	}	1760	}
1687		1761
1688	INLINE void	1762	INLINE void
…		…
1833	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1907	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1834	api_ready (aTHX_ sv_manager);	1908	api_ready (aTHX_ sv_manager);
1835		1909
1836	frame->prepare = prepare_schedule;	1910	frame->prepare = prepare_schedule;
1837	frame->check = slf_check_repeat;	1911	frame->check = slf_check_repeat;
		1912
		1913	/* as a minor optimisation, we could unwind all stacks here */
		1914	/* but that puts extra pressure on pp_slf, and is not worth much */
		1915	/coro_unwind_stacks (aTHX);/
1838	}	1916	}
1839		1917
1840	/*****************************************************************************/	1918	/*****************************************************************************/
1841	/* async pool handler */	1919	/* async pool handler */
1842		1920
…		…
1925	SV data = (SV )GENSUB_ARG;	2003	SV data = (SV )GENSUB_ARG;
1926		2004
1927	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2005	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1928	{	2006	{
1929	/* first call, set args */	2007	/* first call, set args */
		2008	SV *coro = SvRV (data);
1930	AV *av = newAV ();	2009	AV *av = newAV ();
1931	SV *coro = SvRV (data);
1932		2010
1933	SvRV_set (data, (SV *)av);	2011	SvRV_set (data, (SV *)av);
1934	api_ready (aTHX_ coro);
1935	SvREFCNT_dec (coro);
1936		2012
1937	/* better take a full copy of the arguments */	2013	/* better take a full copy of the arguments */
1938	while (items--)	2014	while (items--)
1939	av_store (av, items, newSVsv (ST (items)));	2015	av_store (av, items, newSVsv (ST (items)));
		2016
		2017	api_ready (aTHX_ coro);
		2018	SvREFCNT_dec (coro);
1940	}	2019	}
1941		2020
1942	XSRETURN_EMPTY;	2021	XSRETURN_EMPTY;
1943	}	2022	}
1944		2023
…		…
1961		2040
1962	EXTEND (SP, AvFILLp (av) + 1);	2041	EXTEND (SP, AvFILLp (av) + 1);
1963	for (i = 0; i <= AvFILLp (av); ++i)	2042	for (i = 0; i <= AvFILLp (av); ++i)
1964	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2043	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1965		2044
1966	/* we have stolen the elements, so ste length to zero and free */	2045	/* we have stolen the elements, so set length to zero and free */
1967	AvFILLp (av) = -1;	2046	AvFILLp (av) = -1;
1968	av_undef (av);	2047	av_undef (av);
1969		2048
1970	PUTBACK;	2049	PUTBACK;
1971	}	2050	}
…		…
2261		2340
2262	PL_op->op_ppaddr = pp_slf;	2341	PL_op->op_ppaddr = pp_slf;
2263	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2342	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2264		2343
2265	PL_op = (OP *)&slf_restore;	2344	PL_op = (OP *)&slf_restore;
		2345	}
		2346
		2347	/*****************************************************************************/
		2348	/* dynamic wind */
		2349
		2350	static void
		2351	on_enterleave_call (pTHX_ SV *cb)
		2352	{
		2353	dSP;
		2354
		2355	PUSHSTACK;
		2356
		2357	PUSHMARK (SP);
		2358	PUTBACK;
		2359	call_sv (cb, G_VOID \| G_DISCARD);
		2360	SPAGAIN;
		2361
		2362	POPSTACK;
		2363	}
		2364
		2365	static SV *
		2366	coro_avp_pop_and_free (pTHX_ AV **avp)
		2367	{
		2368	AV av = avp;
		2369	SV *res = av_pop (av);
		2370
		2371	if (AvFILLp (av) < 0)
		2372	{
		2373	*avp = 0;
		2374	SvREFCNT_dec (av);
		2375	}
		2376
		2377	return res;
		2378	}
		2379
		2380	static void
		2381	coro_pop_on_enter (pTHX_ void *coro)
		2382	{
		2383	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2384	SvREFCNT_dec (cb);
		2385	}
		2386
		2387	static void
		2388	coro_pop_on_leave (pTHX_ void *coro)
		2389	{
		2390	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2391	on_enterleave_call (aTHX_ sv_2mortal (cb));
2266	}	2392	}
2267		2393
2268	/*****************************************************************************/	2394	/*****************************************************************************/
2269	/* PerlIO::cede */	2395	/* PerlIO::cede */
2270		2396
…		…
2351	SV **ary;	2477	SV **ary;
2352		2478
2353	/* unfortunately, building manually saves memory */	2479	/* unfortunately, building manually saves memory */
2354	Newx (ary, 2, SV *);	2480	Newx (ary, 2, SV *);
2355	AvALLOC (av) = ary;	2481	AvALLOC (av) = ary;
		2482	#if PERL_VERSION_ATLEAST (5,10,0)
2356	/AvARRAY (av) = ary;/	2483	AvARRAY (av) = ary;
		2484	#else
2357	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2485	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2486	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2487	SvPVX ((SV )av) = (char )ary;
		2488	#endif
2358	AvMAX (av) = 1;	2489	AvMAX (av) = 1;
2359	AvFILLp (av) = 0;	2490	AvFILLp (av) = 0;
2360	ary [0] = newSViv (count);	2491	ary [0] = newSViv (count);
2361		2492
2362	return newRV_noinc ((SV *)av);	2493	return newRV_noinc ((SV *)av);
…		…
2891	SV *	3022	SV *
2892	clone (Coro::State coro)	3023	clone (Coro::State coro)
2893	CODE:	3024	CODE:
2894	{	3025	{
2895	#if CORO_CLONE	3026	#if CORO_CLONE
2896	struct coro *ncoro = coro_clone (coro);	3027	struct coro *ncoro = coro_clone (aTHX_ coro);
2897	MAGIC *mg;	3028	MAGIC *mg;
2898	/* TODO: too much duplication */	3029	/* TODO: too much duplication */
2899	ncoro->hv = newHV ();	3030	ncoro->hv = newHV ();
2900	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3031	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2901	mg->mg_flags \|= MGf_DUP;	3032	mg->mg_flags \|= MGf_DUP;
…		…
2963	eval = 1	3094	eval = 1
2964	CODE:	3095	CODE:
2965	{	3096	{
2966	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3097	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2967	{	3098	{
2968	struct coro temp;	3099	struct coro *current = SvSTATE_current;
2969		3100
2970	if (!(coro->flags & CF_RUNNING))	3101	if (current != coro)
2971	{	3102	{
2972	PUTBACK;	3103	PUTBACK;
2973	save_perl (aTHX_ &temp);	3104	save_perl (aTHX_ current);
2974	load_perl (aTHX_ coro);	3105	load_perl (aTHX_ coro);
		3106	SPAGAIN;
2975	}	3107	}
2976		3108
2977	{
2978	dSP;
2979	ENTER;
2980	SAVETMPS;
2981	PUTBACK;
2982	PUSHSTACK;	3109	PUSHSTACK;
		3110
2983	PUSHMARK (SP);	3111	PUSHMARK (SP);
		3112	PUTBACK;
2984		3113
2985	if (ix)	3114	if (ix)
2986	eval_sv (coderef, 0);	3115	eval_sv (coderef, 0);
2987	else	3116	else
2988	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3117	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2989		3118
2990	POPSTACK;	3119	POPSTACK;
2991	SPAGAIN;	3120	SPAGAIN;
2992	FREETMPS;
2993	LEAVE;
2994	PUTBACK;
2995	}
2996		3121
2997	if (!(coro->flags & CF_RUNNING))	3122	if (current != coro)
2998	{	3123	{
		3124	PUTBACK;
2999	save_perl (aTHX_ coro);	3125	save_perl (aTHX_ coro);
3000	load_perl (aTHX_ &temp);	3126	load_perl (aTHX_ current);
3001	SPAGAIN;	3127	SPAGAIN;
3002	}	3128	}
3003	}	3129	}
3004	}	3130	}
3005		3131
…		…
3009	ALIAS:	3135	ALIAS:
3010	is_ready = CF_READY	3136	is_ready = CF_READY
3011	is_running = CF_RUNNING	3137	is_running = CF_RUNNING
3012	is_new = CF_NEW	3138	is_new = CF_NEW
3013	is_destroyed = CF_DESTROYED	3139	is_destroyed = CF_DESTROYED
		3140	is_suspended = CF_SUSPENDED
3014	CODE:	3141	CODE:
3015	RETVAL = boolSV (coro->flags & ix);	3142	RETVAL = boolSV (coro->flags & ix);
3016	OUTPUT:	3143	OUTPUT:
3017	RETVAL	3144	RETVAL
3018		3145
…		…
3083	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3210	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3084		3211
3085	SV tmp = src; src = dst; *dst = tmp;	3212	SV tmp = src; src = dst; *dst = tmp;
3086	}	3213	}
3087		3214
		3215	void
		3216	cancel (Coro::State self)
		3217	CODE:
		3218	coro_state_destroy (aTHX_ self);
		3219	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3220
3088		3221
3089	MODULE = Coro::State PACKAGE = Coro	3222	MODULE = Coro::State PACKAGE = Coro
3090		3223
3091	BOOT:	3224	BOOT:
3092	{	3225	{
3093	int i;	3226	int i;
3094		3227
3095	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3228	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3096	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3229	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3097	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3230	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3098	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3231	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3099	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3232	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3100	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3233	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3101	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3234	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3102	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3235	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3236	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3103		3237
3104	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3238	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3105	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3239	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3106	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3240	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3107	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3241	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
3112	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3246	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
3113	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3247	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
3114	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3248	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
3115	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3249	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
3116	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3250	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
3117
3118	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3119	coro_ready[i] = newAV ();
3120		3251
3121	{	3252	{
3122	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3253	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3123		3254
3124	coroapi.schedule = api_schedule;	3255	coroapi.schedule = api_schedule;
…		…
3165	cede_notself (...)	3296	cede_notself (...)
3166	CODE:	3297	CODE:
3167	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3298	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3168		3299
3169	void	3300	void
3170	_cancel (Coro::State self)
3171	CODE:
3172	coro_state_destroy (aTHX_ self);
3173	coro_call_on_destroy (aTHX_ self);
3174
3175	void
3176	_set_current (SV *current)	3301	_set_current (SV *current)
3177	PROTOTYPE: $	3302	PROTOTYPE: $
3178	CODE:	3303	CODE:
3179	SvREFCNT_dec (SvRV (coro_current));	3304	SvREFCNT_dec (SvRV (coro_current));
3180	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3305	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3222	PROTOTYPE:	3347	PROTOTYPE:
3223	CODE:	3348	CODE:
3224	RETVAL = coro_nready;	3349	RETVAL = coro_nready;
3225	OUTPUT:	3350	OUTPUT:
3226	RETVAL	3351	RETVAL
		3352
		3353	void
		3354	suspend (Coro::State self)
		3355	PROTOTYPE: $
		3356	CODE:
		3357	self->flags \|= CF_SUSPENDED;
		3358
		3359	void
		3360	resume (Coro::State self)
		3361	PROTOTYPE: $
		3362	CODE:
		3363	self->flags &= ~CF_SUSPENDED;
3227		3364
3228	void	3365	void
3229	_pool_handler (...)	3366	_pool_handler (...)
3230	CODE:	3367	CODE:
3231	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3368	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3286	rouse_wait (...)	3423	rouse_wait (...)
3287	PROTOTYPE: ;$	3424	PROTOTYPE: ;$
3288	PPCODE:	3425	PPCODE:
3289	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3426	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3290		3427
		3428	void
		3429	on_enter (SV *block)
		3430	ALIAS:
		3431	on_leave = 1
		3432	PROTOTYPE: &
		3433	CODE:
		3434	{
		3435	struct coro *coro = SvSTATE_current;
		3436	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3437
		3438	block = (SV *)coro_sv_2cv (aTHX_ block);
		3439
		3440	if (!*avp)
		3441	*avp = newAV ();
		3442
		3443	av_push (*avp, SvREFCNT_inc (block));
		3444
		3445	if (!ix)
		3446	on_enterleave_call (aTHX_ block);
		3447
		3448	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3449	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3450	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3451	}
		3452
3291		3453
3292	MODULE = Coro::State PACKAGE = PerlIO::cede	3454	MODULE = Coro::State PACKAGE = PerlIO::cede
3293		3455
3294	BOOT:	3456	BOOT:
3295	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3457	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3305	GvSTASH (CvGV (cv))	3467	GvSTASH (CvGV (cv))
3306	);	3468	);
3307	OUTPUT:	3469	OUTPUT:
3308	RETVAL	3470	RETVAL
3309		3471
3310	# helper for Coro::Channel	3472	# helper for Coro::Channel and others
3311	SV *	3473	SV *
3312	_alloc (int count)	3474	_alloc (int count)
3313	CODE:	3475	CODE:
3314	RETVAL = coro_waitarray_new (aTHX_ count);	3476	RETVAL = coro_waitarray_new (aTHX_ count);
3315	OUTPUT:	3477	OUTPUT:
…		…
3373	for (i = 1; i <= wcount; ++i)	3535	for (i = 1; i <= wcount; ++i)
3374	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3536	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3375	}	3537	}
3376	}	3538	}
3377		3539
		3540	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3541
		3542	void
		3543	_may_delete (SV *sem, int count, int extra_refs)
		3544	PPCODE:
		3545	{
		3546	AV av = (AV )SvRV (sem);
		3547
		3548	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3549	&& AvFILLp (av) == 0 /* no waiters, just count */
		3550	&& SvIV (AvARRAY (av)[0]) == count)
		3551	XSRETURN_YES;
		3552
		3553	XSRETURN_NO;
		3554	}
		3555
3378	MODULE = Coro::State PACKAGE = Coro::Signal	3556	MODULE = Coro::State PACKAGE = Coro::Signal
3379		3557
3380	SV *	3558	SV *
3381	new (SV *klass)	3559	new (SV *klass)
3382	CODE:	3560	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.325 by root, Sun Nov 23 06:48:45 2008 UTC vs. Revision 1.348 by root, Wed Jun 10 00:20:26 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.325 by root, Sun Nov 23 06:48:45 2008 UTC vs.
Revision 1.348 by root, Wed Jun 10 00:20:26 2009 UTC