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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.321 by root, Sat Nov 22 02:09:54 2008 UTC vs.
Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC

…		…
1	#define CORO_CLONE 1 //D
2
3	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
4		2
5	#define PERL_NO_GET_CONTEXT	3	#define PERL_NO_GET_CONTEXT
6	#define PERL_EXT	4	#define PERL_EXT
7		5
135	#else	133	#else
136	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
137	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
138	#endif	136	#endif
139		137
140	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
141		139
142	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
143	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
144	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr),(value))
145	# define INLINE static inline	143	# define INLINE static inline
…		…
177	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
178	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 */
179		177
180	static AV av_destroy; / destruction queue */	178	static AV av_destroy; / destruction queue */
181	static SV sv_manager; / the manager coro */	179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
182		181
183	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
184	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
185	static SV *rv_diehook;	184	static SV *rv_diehook;
186	static SV *rv_warnhook;	185	static SV *rv_warnhook;
…		…
230	int valgrind_id;	229	int valgrind_id;
231	#endif	230	#endif
232	unsigned char flags;	231	unsigned char flags;
233	} coro_cctx;	232	} coro_cctx;
234		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
235	enum {	238	enum {
236	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
237	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
238	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
239	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
244	{	247	{
245	SV *defsv;	248	SV *defsv;
246	AV *defav;	249	AV *defav;
247	SV *errsv;	250	SV *errsv;
248	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
249	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
250	# include "state.h"	254	# include "state.h"
251	#undef VAR	255	#undef VAR
252	} perl_slots;	256	} perl_slots;
253		257
…		…
280		284
281	/* async_pool */	285	/* async_pool */
282	SV *saved_deffh;	286	SV *saved_deffh;
283	SV *invoke_cb;	287	SV *invoke_cb;
284	AV *invoke_av;	288	AV *invoke_av;
		289
		290	/* on_enter/on_leave */
		291	AV *on_enter;
		292	AV *on_leave;
285		293
286	/* linked list */	294	/* linked list */
287	struct coro next, prev;	295	struct coro next, prev;
288	};	296	};
289		297
…		…
348	INLINE CV *	356	INLINE CV *
349	coro_sv_2cv (pTHX_ SV *sv)	357	coro_sv_2cv (pTHX_ SV *sv)
350	{	358	{
351	HV *st;	359	HV *st;
352	GV *gvp;	360	GV *gvp;
353	return sv_2cv (sv, &st, &gvp, 0);	361	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		362
		363	if (!cv)
		364	croak ("code reference expected");
		365
		366	return cv;
354	}	367	}
		368
		369	/*****************************************************************************/
		370	/* magic glue */
		371
		372	#define CORO_MAGIC_type_cv 26
		373	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		374
		375	#define CORO_MAGIC_NN(sv, type) \
		376	(expect_true (SvMAGIC (sv)->mg_type == type) \
		377	? SvMAGIC (sv) \
		378	: mg_find (sv, type))
		379
		380	#define CORO_MAGIC(sv, type) \
		381	(expect_true (SvMAGIC (sv)) \
		382	? CORO_MAGIC_NN (sv, type) \
		383	: 0)
		384
		385	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		386	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		387
		388	INLINE struct coro *
		389	SvSTATE_ (pTHX_ SV *coro)
		390	{
		391	HV *stash;
		392	MAGIC *mg;
		393
		394	if (SvROK (coro))
		395	coro = SvRV (coro);
		396
		397	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		398	croak ("Coro::State object required");
		399
		400	stash = SvSTASH (coro);
		401	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		402	{
		403	/* very slow, but rare, check */
		404	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		405	croak ("Coro::State object required");
		406	}
		407
		408	mg = CORO_MAGIC_state (coro);
		409	return (struct coro *)mg->mg_ptr;
		410	}
		411
		412	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		413
		414	/* faster than SvSTATE, but expects a coroutine hv */
		415	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		416	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		417
		418	/*****************************************************************************/
		419	/* padlist management and caching */
355		420
356	static AV *	421	static AV *
357	coro_derive_padlist (pTHX_ CV *cv)	422	coro_derive_padlist (pTHX_ CV *cv)
358	{	423	{
359	AV *padlist = CvPADLIST (cv);	424	AV *padlist = CvPADLIST (cv);
…		…
367	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	432	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
368	#endif	433	#endif
369	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	434	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
370	--AvFILLp (padlist);	435	--AvFILLp (padlist);
371		436
372	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	437	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
373	av_store (newpadlist, 1, (SV *)newpad);	438	av_store (newpadlist, 1, (SV *)newpad);
374		439
375	return newpadlist;	440	return newpadlist;
376	}	441	}
377		442
378	static void	443	static void
379	free_padlist (pTHX_ AV *padlist)	444	free_padlist (pTHX_ AV *padlist)
380	{	445	{
381	/* may be during global destruction */	446	/* may be during global destruction */
382	if (SvREFCNT (padlist))	447	if (!IN_DESTRUCT)
383	{	448	{
384	I32 i = AvFILLp (padlist);	449	I32 i = AvFILLp (padlist);
385	while (i >= 0)	450
		451	while (i > 0) /* special-case index 0 */
386	{	452	{
387	SV **svp = av_fetch (padlist, i--, FALSE);	453	/* we try to be extra-careful here */
388	if (svp)	454	AV av = (AV )AvARRAY (padlist)[i--];
389	{	455	I32 j = AvFILLp (av);
390	SV *sv;	456
391	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	457	while (j >= 0)
		458	SvREFCNT_dec (AvARRAY (av)[j--]);
		459
		460	AvFILLp (av) = -1;
392	SvREFCNT_dec (sv);	461	SvREFCNT_dec (av);
393
394	SvREFCNT_dec (*svp);
395	}
396	}	462	}
397		463
		464	SvREFCNT_dec (AvARRAY (padlist)[0]);
		465
		466	AvFILLp (padlist) = -1;
398	SvREFCNT_dec ((SV*)padlist);	467	SvREFCNT_dec ((SV*)padlist);
399	}	468	}
400	}	469	}
401		470
402	static int	471	static int
…		…
411		480
412	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	481	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
413		482
414	return 0;	483	return 0;
415	}	484	}
416
417	#define CORO_MAGIC_type_cv 26
418	#define CORO_MAGIC_type_state PERL_MAGIC_ext
419		485
420	static MGVTBL coro_cv_vtbl = {	486	static MGVTBL coro_cv_vtbl = {
421	0, 0, 0, 0,	487	0, 0, 0, 0,
422	coro_cv_free	488	coro_cv_free
423	};	489	};
424
425	#define CORO_MAGIC_NN(sv, type) \
426	(expect_true (SvMAGIC (sv)->mg_type == type) \
427	? SvMAGIC (sv) \
428	: mg_find (sv, type))
429
430	#define CORO_MAGIC(sv, type) \
431	(expect_true (SvMAGIC (sv)) \
432	? CORO_MAGIC_NN (sv, type) \
433	: 0)
434
435	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
436	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
437
438	INLINE struct coro *
439	SvSTATE_ (pTHX_ SV *coro)
440	{
441	HV *stash;
442	MAGIC *mg;
443
444	if (SvROK (coro))
445	coro = SvRV (coro);
446
447	if (expect_false (SvTYPE (coro) != SVt_PVHV))
448	croak ("Coro::State object required");
449
450	stash = SvSTASH (coro);
451	if (expect_false (stash != coro_stash && stash != coro_state_stash))
452	{
453	/* very slow, but rare, check */
454	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
455	croak ("Coro::State object required");
456	}
457
458	mg = CORO_MAGIC_state (coro);
459	return (struct coro *)mg->mg_ptr;
460	}
461
462	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
463
464	/* faster than SvSTATE, but expects a coroutine hv */
465	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
466	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
467		490
468	/* the next two functions merely cache the padlists */	491	/* the next two functions merely cache the padlists */
469	static void	492	static void
470	get_padlist (pTHX_ CV *cv)	493	get_padlist (pTHX_ CV *cv)
471	{	494	{
…		…
499	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	522	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
500		523
501	av = (AV *)mg->mg_obj;	524	av = (AV *)mg->mg_obj;
502		525
503	if (expect_false (AvFILLp (av) >= AvMAX (av)))	526	if (expect_false (AvFILLp (av) >= AvMAX (av)))
504	av_extend (av, AvMAX (av) + 1);	527	av_extend (av, AvFILLp (av) + 1);
505		528
506	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	529	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
507	}	530	}
508		531
509	/ load & save, init *****************************************************/	532	/ load & save, init *****************************************************/
		533
		534	static void
		535	on_enterleave_call (pTHX_ SV *cb);
510		536
511	static void	537	static void
512	load_perl (pTHX_ Coro__State c)	538	load_perl (pTHX_ Coro__State c)
513	{	539	{
514	perl_slots *slot = c->slot;	540	perl_slots *slot = c->slot;
515	c->slot = 0;	541	c->slot = 0;
516		542
517	PL_mainstack = c->mainstack;	543	PL_mainstack = c->mainstack;
518		544
519	GvSV (PL_defgv) = slot->defsv;	545	GvSV (PL_defgv) = slot->defsv;
520	GvAV (PL_defgv) = slot->defav;	546	GvAV (PL_defgv) = slot->defav;
521	GvSV (PL_errgv) = slot->errsv;	547	GvSV (PL_errgv) = slot->errsv;
522	GvSV (irsgv) = slot->irsgv;	548	GvSV (irsgv) = slot->irsgv;
		549	GvHV (PL_hintgv) = slot->hinthv;
523		550
524	#define VAR(name,type) PL_ ## name = slot->name;	551	#define VAR(name,type) PL_ ## name = slot->name;
525	# include "state.h"	552	# include "state.h"
526	#undef VAR	553	#undef VAR
527		554
…		…
541	PUTBACK;	568	PUTBACK;
542	}	569	}
543		570
544	slf_frame = c->slf_frame;	571	slf_frame = c->slf_frame;
545	CORO_THROW = c->except;	572	CORO_THROW = c->except;
		573
		574	if (expect_false (c->on_enter))
		575	{
		576	int i;
		577
		578	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		579	on_enterleave_call (AvARRAY (c->on_enter)[i]);
		580	}
546	}	581	}
547		582
548	static void	583	static void
549	save_perl (pTHX_ Coro__State c)	584	save_perl (pTHX_ Coro__State c)
550	{	585	{
		586	if (expect_false (c->on_leave))
		587	{
		588	int i;
		589
		590	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		591	on_enterleave_call (AvARRAY (c->on_leave)[i]);
		592	}
		593
551	c->except = CORO_THROW;	594	c->except = CORO_THROW;
552	c->slf_frame = slf_frame;	595	c->slf_frame = slf_frame;
553		596
554	{	597	{
555	dSP;	598	dSP;
…		…
613	c->mainstack = PL_mainstack;	656	c->mainstack = PL_mainstack;
614		657
615	{	658	{
616	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	659	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
617		660
618	slot->defav = GvAV (PL_defgv);	661	slot->defav = GvAV (PL_defgv);
619	slot->defsv = DEFSV;	662	slot->defsv = DEFSV;
620	slot->errsv = ERRSV;	663	slot->errsv = ERRSV;
621	slot->irsgv = GvSV (irsgv);	664	slot->irsgv = GvSV (irsgv);
		665	slot->hinthv = GvHV (PL_hintgv);
622		666
623	#define VAR(name,type) slot->name = PL_ ## name;	667	#define VAR(name,type) slot->name = PL_ ## name;
624	# include "state.h"	668	# include "state.h"
625	#undef VAR	669	#undef VAR
626	}	670	}
…		…
753	#endif	797	#endif
754		798
755	/*	799	/*
756	* This overrides the default magic get method of %SIG elements.	800	* This overrides the default magic get method of %SIG elements.
757	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	801	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
758	* and instead of tryign to save and restore the hash elements, we just provide	802	* and instead of trying to save and restore the hash elements, we just provide
759	* readback here.	803	* readback here.
760	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
761	* not expecting this to actually change the hook. This is a potential problem
762	* when a schedule happens then, but we ignore this.
763	*/	804	*/
764	static int	805	static int
765	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	806	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
766	{	807	{
767	const char *s = MgPV_nolen_const (mg);	808	const char *s = MgPV_nolen_const (mg);
…		…
820	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	861	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
821		862
822	if (svp)	863	if (svp)
823	{	864	{
824	SV old = svp;	865	SV old = svp;
825	*svp = newSVsv (sv);	866	*svp = SvOK (sv) ? newSVsv (sv) : 0;
826	SvREFCNT_dec (old);	867	SvREFCNT_dec (old);
827	return 0;	868	return 0;
828	}	869	}
829	}	870	}
830		871
…		…
862		903
863	PL_runops = RUNOPS_DEFAULT;	904	PL_runops = RUNOPS_DEFAULT;
864	PL_curcop = &PL_compiling;	905	PL_curcop = &PL_compiling;
865	PL_in_eval = EVAL_NULL;	906	PL_in_eval = EVAL_NULL;
866	PL_comppad = 0;	907	PL_comppad = 0;
		908	PL_comppad_name = 0;
		909	PL_comppad_name_fill = 0;
		910	PL_comppad_name_floor = 0;
867	PL_curpm = 0;	911	PL_curpm = 0;
868	PL_curpad = 0;	912	PL_curpad = 0;
869	PL_localizing = 0;	913	PL_localizing = 0;
870	PL_dirty = 0;	914	PL_dirty = 0;
871	PL_restartop = 0;	915	PL_restartop = 0;
872	#if PERL_VERSION_ATLEAST (5,10,0)	916	#if PERL_VERSION_ATLEAST (5,10,0)
873	PL_parser = 0;	917	PL_parser = 0;
874	#endif	918	#endif
		919	PL_hints = 0;
875		920
876	/* recreate the die/warn hooks */	921	/* recreate the die/warn hooks */
877	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	922	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
878	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	923	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
879		924
880	GvSV (PL_defgv) = newSV (0);	925	GvSV (PL_defgv) = newSV (0);
881	GvAV (PL_defgv) = coro->args; coro->args = 0;	926	GvAV (PL_defgv) = coro->args; coro->args = 0;
882	GvSV (PL_errgv) = newSV (0);	927	GvSV (PL_errgv) = newSV (0);
883	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	928	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		929	GvHV (PL_hintgv) = 0;
884	PL_rs = newSVsv (GvSV (irsgv));	930	PL_rs = newSVsv (GvSV (irsgv));
885	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	931	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
886		932
887	{	933	{
888	dSP;	934	dSP;
…		…
917	/* copy throw, in case it was set before coro_setup */	963	/* copy throw, in case it was set before coro_setup */
918	CORO_THROW = coro->except;	964	CORO_THROW = coro->except;
919	}	965	}
920		966
921	static void	967	static void
922	coro_destruct (pTHX_ struct coro *coro)	968	coro_unwind_stacks (pTHX)
923	{	969	{
924	if (!IN_DESTRUCT)	970	if (!IN_DESTRUCT)
925	{	971	{
926	/* restore all saved variables and stuff */	972	/* restore all saved variables and stuff */
927	LEAVE_SCOPE (0);	973	LEAVE_SCOPE (0);
…		…
935	POPSTACK_TO (PL_mainstack);	981	POPSTACK_TO (PL_mainstack);
936		982
937	/* unwind main stack */	983	/* unwind main stack */
938	dounwind (-1);	984	dounwind (-1);
939	}	985	}
		986	}
		987
		988	static void
		989	coro_destruct_perl (pTHX_ struct coro *coro)
		990	{
		991	coro_unwind_stacks (aTHX);
940		992
941	SvREFCNT_dec (GvSV (PL_defgv));	993	SvREFCNT_dec (GvSV (PL_defgv));
942	SvREFCNT_dec (GvAV (PL_defgv));	994	SvREFCNT_dec (GvAV (PL_defgv));
943	SvREFCNT_dec (GvSV (PL_errgv));	995	SvREFCNT_dec (GvSV (PL_errgv));
944	SvREFCNT_dec (PL_defoutgv);	996	SvREFCNT_dec (PL_defoutgv);
945	SvREFCNT_dec (PL_rs);	997	SvREFCNT_dec (PL_rs);
946	SvREFCNT_dec (GvSV (irsgv));	998	SvREFCNT_dec (GvSV (irsgv));
		999	SvREFCNT_dec (GvHV (PL_hintgv));
947		1000
948	SvREFCNT_dec (PL_diehook);	1001	SvREFCNT_dec (PL_diehook);
949	SvREFCNT_dec (PL_warnhook);	1002	SvREFCNT_dec (PL_warnhook);
950		1003
951	SvREFCNT_dec (coro->saved_deffh);	1004	SvREFCNT_dec (coro->saved_deffh);
…		…
969	static int	1022	static int
970	runops_trace (pTHX)	1023	runops_trace (pTHX)
971	{	1024	{
972	COP *oldcop = 0;	1025	COP *oldcop = 0;
973	int oldcxix = -2;	1026	int oldcxix = -2;
974	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
975	coro_cctx *cctx = coro->cctx;
976		1027
977	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1028	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
978	{	1029	{
979	PERL_ASYNC_CHECK ();	1030	PERL_ASYNC_CHECK ();
980		1031
981	if (cctx->flags & CC_TRACE_ALL)	1032	if (cctx_current->flags & CC_TRACE_ALL)
982	{	1033	{
983	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1034	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
984	{	1035	{
985	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1036	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
986	SV bot, top;	1037	SV bot, top;
987	AV av = newAV (); / return values */	1038	AV av = newAV (); / return values */
988	SV **cb;	1039	SV **cb;
…		…
1025		1076
1026	if (PL_curcop != &PL_compiling)	1077	if (PL_curcop != &PL_compiling)
1027	{	1078	{
1028	SV **cb;	1079	SV **cb;
1029		1080
1030	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1081	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1031	{	1082	{
1032	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1083	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1033		1084
1034	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1085	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1035	{	1086	{
…		…
1058	}	1109	}
1059		1110
1060	oldcxix = cxstack_ix;	1111	oldcxix = cxstack_ix;
1061	}	1112	}
1062		1113
1063	if (cctx->flags & CC_TRACE_LINE)	1114	if (cctx_current->flags & CC_TRACE_LINE)
1064	{	1115	{
1065	dSP;	1116	dSP;
1066		1117
1067	PL_runops = RUNOPS_DEFAULT;	1118	PL_runops = RUNOPS_DEFAULT;
1068	ENTER;	1119	ENTER;
…		…
1087		1138
1088	TAINT_NOT;	1139	TAINT_NOT;
1089	return 0;	1140	return 0;
1090	}	1141	}
1091		1142
1092	static struct coro_cctx *cctx_ssl_cctx;
1093	static struct CoroSLF cctx_ssl_frame;	1143	static struct CoroSLF cctx_ssl_frame;
1094		1144
1095	static void	1145	static void
1096	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1146	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1097	{	1147	{
1098	ta->prev = (struct coro *)cctx_ssl_cctx;
1099	ta->next = 0;	1148	ta->prev = 0;
1100	}	1149	}
1101		1150
1102	static int	1151	static int
1103	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1152	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1104	{	1153	{
…		…
1107	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1156	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1108	}	1157	}
1109		1158
1110	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1159	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1111	static void NOINLINE	1160	static void NOINLINE
1112	cctx_prepare (pTHX_ coro_cctx *cctx)	1161	cctx_prepare (pTHX)
1113	{	1162	{
1114	PL_top_env = &PL_start_env;	1163	PL_top_env = &PL_start_env;
1115		1164
1116	if (cctx->flags & CC_TRACE)	1165	if (cctx_current->flags & CC_TRACE)
1117	PL_runops = runops_trace;	1166	PL_runops = runops_trace;
1118		1167
1119	/* we already must be executing an SLF op, there is no other valid way	1168	/* we already must be executing an SLF op, there is no other valid way
1120	* that can lead to creation of a new cctx */	1169	* that can lead to creation of a new cctx */
1121	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1170	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1122	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1171	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1123		1172
1124	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1173	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1125	cctx_ssl_cctx = cctx;
1126	cctx_ssl_frame = slf_frame;	1174	cctx_ssl_frame = slf_frame;
1127		1175
1128	slf_frame.prepare = slf_prepare_set_stacklevel;	1176	slf_frame.prepare = slf_prepare_set_stacklevel;
1129	slf_frame.check = slf_check_set_stacklevel;	1177	slf_frame.check = slf_check_set_stacklevel;
1130	}	1178	}
…		…
1153	/* normally we would need to skip the entersub here */	1201	/* normally we would need to skip the entersub here */
1154	/* not doing so will re-execute it, which is exactly what we want */	1202	/* not doing so will re-execute it, which is exactly what we want */
1155	/* PL_nop = PL_nop->op_next */	1203	/* PL_nop = PL_nop->op_next */
1156		1204
1157	/* inject a fake subroutine call to cctx_init */	1205	/* inject a fake subroutine call to cctx_init */
1158	cctx_prepare (aTHX_ (coro_cctx *)arg);	1206	cctx_prepare (aTHX);
1159		1207
1160	/* cctx_run is the alternative tail of transfer() */	1208	/* cctx_run is the alternative tail of transfer() */
1161	transfer_tail (aTHX);	1209	transfer_tail (aTHX);
1162		1210
1163	/* somebody or something will hit me for both perl_run and PL_restartop */	1211	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1171	/*	1219	/*
1172	* If perl-run returns we assume exit() was being called or the coro	1220	* If perl-run returns we assume exit() was being called or the coro
1173	* fell off the end, which seems to be the only valid (non-bug)	1221	* fell off the end, which seems to be the only valid (non-bug)
1174	* reason for perl_run to return. We try to exit by jumping to the	1222	* reason for perl_run to return. We try to exit by jumping to the
1175	* bootstrap-time "top" top_env, as we cannot restore the "main"	1223	* bootstrap-time "top" top_env, as we cannot restore the "main"
1176	* coroutine as Coro has no such concept	1224	* coroutine as Coro has no such concept.
		1225	* This actually isn't valid with the pthread backend, but OSes requiring
		1226	* that backend are too broken to do it in a standards-compliant way.
1177	*/	1227	*/
1178	PL_top_env = main_top_env;	1228	PL_top_env = main_top_env;
1179	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1229	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1180	}	1230	}
1181	}	1231	}
…		…
1258	cctx_destroy (coro_cctx *cctx)	1308	cctx_destroy (coro_cctx *cctx)
1259	{	1309	{
1260	if (!cctx)	1310	if (!cctx)
1261	return;	1311	return;
1262		1312
		1313	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1314
1263	--cctx_count;	1315	--cctx_count;
1264	coro_destroy (&cctx->cctx);	1316	coro_destroy (&cctx->cctx);
1265		1317
1266	/* coro_transfer creates new, empty cctx's */	1318	/* coro_transfer creates new, empty cctx's */
1267	if (cctx->sptr)	1319	if (cctx->sptr)
…		…
1330	/* TODO: throwing up here is considered harmful */	1382	/* TODO: throwing up here is considered harmful */
1331		1383
1332	if (expect_true (prev != next))	1384	if (expect_true (prev != next))
1333	{	1385	{
1334	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1386	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1335	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1387	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1336		1388
1337	if (expect_false (next->flags & CF_RUNNING))	1389	if (expect_false (next->flags & CF_RUNNING))
1338	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1390	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1339		1391
1340	if (expect_false (next->flags & CF_DESTROYED))	1392	if (expect_false (next->flags & CF_DESTROYED))
…		…
1352	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1404	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1353	{	1405	{
1354	dSTACKLEVEL;	1406	dSTACKLEVEL;
1355		1407
1356	/* sometimes transfer is only called to set idle_sp */	1408	/* sometimes transfer is only called to set idle_sp */
1357	if (expect_false (!next))	1409	if (expect_false (!prev))
1358	{	1410	{
1359	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1411	cctx_current->idle_sp = STACKLEVEL;
1360	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1412	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1361	}	1413	}
1362	else if (expect_true (prev != next))	1414	else if (expect_true (prev != next))
1363	{	1415	{
1364	coro_cctx *prev__cctx;	1416	coro_cctx *cctx_prev;
1365		1417
1366	if (expect_false (prev->flags & CF_NEW))	1418	if (expect_false (prev->flags & CF_NEW))
1367	{	1419	{
1368	/* create a new empty/source context */	1420	/* create a new empty/source context */
1369	prev->cctx = cctx_new_empty ();
1370	prev->flags &= ~CF_NEW;	1421	prev->flags &= ~CF_NEW;
1371	prev->flags \|= CF_RUNNING;	1422	prev->flags \|= CF_RUNNING;
1372	}	1423	}
1373		1424
1374	prev->flags &= ~CF_RUNNING;	1425	prev->flags &= ~CF_RUNNING;
…		…
1385	coro_setup (aTHX_ next);	1436	coro_setup (aTHX_ next);
1386	}	1437	}
1387	else	1438	else
1388	load_perl (aTHX_ next);	1439	load_perl (aTHX_ next);
1389		1440
1390	prev__cctx = prev->cctx;
1391
1392	/* possibly untie and reuse the cctx */	1441	/* possibly untie and reuse the cctx */
1393	if (expect_true (	1442	if (expect_true (
1394	prev__cctx->idle_sp == STACKLEVEL	1443	cctx_current->idle_sp == STACKLEVEL
1395	&& !(prev__cctx->flags & CC_TRACE)	1444	&& !(cctx_current->flags & CC_TRACE)
1396	&& !force_cctx	1445	&& !force_cctx
1397	))	1446	))
1398	{	1447	{
1399	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1448	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1400	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1449	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1401		1450
1402	prev->cctx = 0;
1403
1404	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1451	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1405	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1452	/* without this the next cctx_get might destroy the running cctx while still in use */
1406	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1453	if (expect_false (CCTX_EXPIRED (cctx_current)))
1407	if (!next->cctx)	1454	if (expect_true (!next->cctx))
1408	next->cctx = cctx_get (aTHX);	1455	next->cctx = cctx_get (aTHX);
1409		1456
1410	cctx_put (prev__cctx);	1457	cctx_put (cctx_current);
1411	}	1458	}
		1459	else
		1460	prev->cctx = cctx_current;
1412		1461
1413	++next->usecount;	1462	++next->usecount;
1414		1463
1415	if (expect_true (!next->cctx))	1464	cctx_prev = cctx_current;
1416	next->cctx = cctx_get (aTHX);	1465	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1417		1466
1418	if (expect_false (prev__cctx != next->cctx))	1467	next->cctx = 0;
		1468
		1469	if (expect_false (cctx_prev != cctx_current))
1419	{	1470	{
1420	prev__cctx->top_env = PL_top_env;	1471	cctx_prev->top_env = PL_top_env;
1421	PL_top_env = next->cctx->top_env;	1472	PL_top_env = cctx_current->top_env;
1422	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1473	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1423	}	1474	}
1424		1475
1425	transfer_tail (aTHX);	1476	transfer_tail (aTHX);
1426	}	1477	}
1427	}	1478	}
…		…
1449	--coro_nready;	1500	--coro_nready;
1450	}	1501	}
1451	else	1502	else
1452	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1503	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1453		1504
1454	if (coro->mainstack && coro->mainstack != main_mainstack)	1505	if (coro->mainstack
		1506	&& coro->mainstack != main_mainstack
		1507	&& coro->slot
		1508	&& !PL_dirty)
1455	{	1509	{
1456	struct coro temp;	1510	struct coro *current = SvSTATE_current;
1457		1511
1458	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1512	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1459		1513
1460	save_perl (aTHX_ &temp);	1514	save_perl (aTHX_ current);
1461	load_perl (aTHX_ coro);	1515	load_perl (aTHX_ coro);
1462		1516
1463	coro_destruct (aTHX_ coro);	1517	coro_destruct_perl (aTHX_ coro);
1464		1518
1465	load_perl (aTHX_ &temp);	1519	load_perl (aTHX_ current);
1466		1520
1467	coro->slot = 0;	1521	coro->slot = 0;
1468	}	1522	}
1469		1523
1470	cctx_destroy (coro->cctx);	1524	cctx_destroy (coro->cctx);
…		…
1582	{	1636	{
1583	struct coro *coro;	1637	struct coro *coro;
1584	SV *sv_hook;	1638	SV *sv_hook;
1585	void (*xs_hook)(void);	1639	void (*xs_hook)(void);
1586		1640
1587	if (SvROK (coro_sv))
1588	coro_sv = SvRV (coro_sv);
1589
1590	coro = SvSTATE (coro_sv);	1641	coro = SvSTATE (coro_sv);
1591		1642
1592	if (coro->flags & CF_READY)	1643	if (coro->flags & CF_READY)
1593	return 0;	1644	return 0;
1594		1645
…		…
1668	}	1719	}
1669	}	1720	}
1670	else	1721	else
1671	{	1722	{
1672	/* nothing to schedule: call the idle handler */	1723	/* nothing to schedule: call the idle handler */
		1724	if (SvROK (sv_idle)
		1725	&& SvOBJECT (SvRV (sv_idle)))
		1726	{
		1727	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1728	api_ready (aTHX_ SvRV (sv_idle));
		1729	--coro_nready;
		1730	}
		1731	else
		1732	{
1673	dSP;	1733	dSP;
1674		1734
1675	ENTER;	1735	ENTER;
1676	SAVETMPS;	1736	SAVETMPS;
1677		1737
1678	PUSHMARK (SP);	1738	PUSHMARK (SP);
1679	PUTBACK;	1739	PUTBACK;
1680	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1740	call_sv (sv_idle, G_VOID \| G_DISCARD);
1681		1741
1682	FREETMPS;	1742	FREETMPS;
1683	LEAVE;	1743	LEAVE;
		1744	}
1684	}	1745	}
1685	}	1746	}
1686	}	1747	}
1687		1748
1688	INLINE void	1749	INLINE void
…		…
1759	static void	1820	static void
1760	api_trace (pTHX_ SV *coro_sv, int flags)	1821	api_trace (pTHX_ SV *coro_sv, int flags)
1761	{	1822	{
1762	struct coro *coro = SvSTATE (coro_sv);	1823	struct coro *coro = SvSTATE (coro_sv);
1763		1824
		1825	if (coro->flags & CF_RUNNING)
		1826	croak ("cannot enable tracing on a running coroutine, caught");
		1827
1764	if (flags & CC_TRACE)	1828	if (flags & CC_TRACE)
1765	{	1829	{
1766	if (!coro->cctx)	1830	if (!coro->cctx)
1767	coro->cctx = cctx_new_run ();	1831	coro->cctx = cctx_new_run ();
1768	else if (!(coro->cctx->flags & CC_TRACE))	1832	else if (!(coro->cctx->flags & CC_TRACE))
1769	croak ("cannot enable tracing on coroutine with custom stack,");	1833	croak ("cannot enable tracing on coroutine with custom stack, caught");
1770		1834
1771	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1835	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1772	}	1836	}
1773	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1837	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1774	{	1838	{
…		…
1830	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1894	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1831	api_ready (aTHX_ sv_manager);	1895	api_ready (aTHX_ sv_manager);
1832		1896
1833	frame->prepare = prepare_schedule;	1897	frame->prepare = prepare_schedule;
1834	frame->check = slf_check_repeat;	1898	frame->check = slf_check_repeat;
		1899
		1900	/* as a minor optimisation, we could unwind all stacks here */
		1901	/* but that puts extra pressure on pp_slf, and is not worth much */
		1902	/coro_unwind_stacks (aTHX);/
1835	}	1903	}
1836		1904
1837	/*****************************************************************************/	1905	/*****************************************************************************/
1838	/* async pool handler */	1906	/* async pool handler */
1839		1907
…		…
2258		2326
2259	PL_op->op_ppaddr = pp_slf;	2327	PL_op->op_ppaddr = pp_slf;
2260	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2328	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2261		2329
2262	PL_op = (OP *)&slf_restore;	2330	PL_op = (OP *)&slf_restore;
		2331	}
		2332
		2333	/*****************************************************************************/
		2334	/* dynamic wind */
		2335
		2336	static void
		2337	on_enterleave_call (pTHX_ SV *cb)
		2338	{
		2339	dSP;
		2340
		2341	PUSHSTACK;
		2342
		2343	PUSHMARK (SP);
		2344	PUTBACK;
		2345	call_sv (cb, G_VOID \| G_DISCARD);
		2346	SPAGAIN;
		2347
		2348	POPSTACK;
		2349	}
		2350
		2351	static SV *
		2352	coro_avp_pop_and_free (AV **avp)
		2353	{
		2354	AV av = avp;
		2355	SV *res = av_pop (av);
		2356
		2357	if (AvFILLp (av) < 0)
		2358	{
		2359	*avp = 0;
		2360	SvREFCNT_dec (av);
		2361	}
		2362
		2363	return res;
		2364	}
		2365
		2366	static void
		2367	coro_pop_on_enter (pTHX_ void *coro)
		2368	{
		2369	SV cb = coro_avp_pop_and_free (&((struct coro )coro)->on_enter);
		2370	SvREFCNT_dec (cb);
		2371	}
		2372
		2373	static void
		2374	coro_pop_on_leave (pTHX_ void *coro)
		2375	{
		2376	SV cb = coro_avp_pop_and_free (&((struct coro )coro)->on_leave);
		2377	on_enterleave_call (sv_2mortal (cb));
2263	}	2378	}
2264		2379
2265	/*****************************************************************************/	2380	/*****************************************************************************/
2266	/* PerlIO::cede */	2381	/* PerlIO::cede */
2267		2382
…		…
2348	SV **ary;	2463	SV **ary;
2349		2464
2350	/* unfortunately, building manually saves memory */	2465	/* unfortunately, building manually saves memory */
2351	Newx (ary, 2, SV *);	2466	Newx (ary, 2, SV *);
2352	AvALLOC (av) = ary;	2467	AvALLOC (av) = ary;
		2468	#if PERL_VERSION_ATLEAST (5,10,0)
2353	/AvARRAY (av) = ary;/	2469	AvARRAY (av) = ary;
		2470	#else
2354	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2471	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2472	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2473	SvPVX ((SV )av) = (char )ary;
		2474	#endif
2355	AvMAX (av) = 1;	2475	AvMAX (av) = 1;
2356	AvFILLp (av) = 0;	2476	AvFILLp (av) = 0;
2357	ary [0] = newSViv (count);	2477	ary [0] = newSViv (count);
2358		2478
2359	return newRV_noinc ((SV *)av);	2479	return newRV_noinc ((SV *)av);
…		…
2746	coro_thx = PERL_GET_CONTEXT;	2866	coro_thx = PERL_GET_CONTEXT;
2747	# endif	2867	# endif
2748	#endif	2868	#endif
2749	BOOT_PAGESIZE;	2869	BOOT_PAGESIZE;
2750		2870
		2871	cctx_current = cctx_new_empty ();
		2872
2751	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2873	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2752	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2874	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2753		2875
2754	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2876	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2755	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2877	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2881	_exit (int code)	3003	_exit (int code)
2882	PROTOTYPE: $	3004	PROTOTYPE: $
2883	CODE:	3005	CODE:
2884	_exit (code);	3006	_exit (code);
2885		3007
2886	#if CORO_CLONE
2887
2888	SV *	3008	SV *
2889	clone (Coro::State coro)	3009	clone (Coro::State coro)
2890	CODE:	3010	CODE:
2891	{	3011	{
		3012	#if CORO_CLONE
2892	struct coro *ncoro = coro_clone (coro);	3013	struct coro *ncoro = coro_clone (aTHX_ coro);
2893	MAGIC *mg;	3014	MAGIC *mg;
2894	/* TODO: too much duplication */	3015	/* TODO: too much duplication */
2895	ncoro->hv = newHV ();	3016	ncoro->hv = newHV ();
2896	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3017	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2897	mg->mg_flags \|= MGf_DUP;	3018	mg->mg_flags \|= MGf_DUP;
2898	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));	3019	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3020	#else
		3021	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3022	#endif
2899	}	3023	}
2900	OUTPUT:	3024	OUTPUT:
2901	RETVAL	3025	RETVAL
2902
2903	#endif
2904		3026
2905	int	3027	int
2906	cctx_stacksize (int new_stacksize = 0)	3028	cctx_stacksize (int new_stacksize = 0)
2907	PROTOTYPE: ;$	3029	PROTOTYPE: ;$
2908	CODE:	3030	CODE:
…		…
2958	eval = 1	3080	eval = 1
2959	CODE:	3081	CODE:
2960	{	3082	{
2961	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3083	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2962	{	3084	{
2963	struct coro temp;	3085	struct coro *current = SvSTATE_current;
2964		3086
2965	if (!(coro->flags & CF_RUNNING))	3087	if (current != coro)
2966	{	3088	{
2967	PUTBACK;	3089	PUTBACK;
2968	save_perl (aTHX_ &temp);	3090	save_perl (aTHX_ current);
2969	load_perl (aTHX_ coro);	3091	load_perl (aTHX_ coro);
		3092	SPAGAIN;
2970	}	3093	}
2971		3094
2972	{
2973	dSP;
2974	ENTER;
2975	SAVETMPS;
2976	PUTBACK;
2977	PUSHSTACK;	3095	PUSHSTACK;
		3096
2978	PUSHMARK (SP);	3097	PUSHMARK (SP);
		3098	PUTBACK;
2979		3099
2980	if (ix)	3100	if (ix)
2981	eval_sv (coderef, 0);	3101	eval_sv (coderef, 0);
2982	else	3102	else
2983	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3103	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2984		3104
		3105	SPAGAIN;
2985	POPSTACK;	3106	POPSTACK;
2986	SPAGAIN;
2987	FREETMPS;
2988	LEAVE;
2989	PUTBACK;
2990	}
2991		3107
2992	if (!(coro->flags & CF_RUNNING))	3108	if (current != coro)
2993	{	3109	{
		3110	PUTBACK;
2994	save_perl (aTHX_ coro);	3111	save_perl (aTHX_ coro);
2995	load_perl (aTHX_ &temp);	3112	load_perl (aTHX_ current);
2996	SPAGAIN;	3113	SPAGAIN;
2997	}	3114	}
2998	}	3115	}
2999	}	3116	}
3000		3117
…		…
3029		3146
3030	SV *	3147	SV *
3031	has_cctx (Coro::State coro)	3148	has_cctx (Coro::State coro)
3032	PROTOTYPE: $	3149	PROTOTYPE: $
3033	CODE:	3150	CODE:
3034	RETVAL = boolSV (!!coro->cctx);	3151	/* maybe manage the running flag differently */
		3152	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
3035	OUTPUT:	3153	OUTPUT:
3036	RETVAL	3154	RETVAL
3037		3155
3038	int	3156	int
3039	is_traced (Coro::State coro)	3157	is_traced (Coro::State coro)
…		…
3059		3177
3060	void	3178	void
3061	force_cctx ()	3179	force_cctx ()
3062	PROTOTYPE:	3180	PROTOTYPE:
3063	CODE:	3181	CODE:
3064	SvSTATE_current->cctx->idle_sp = 0;	3182	cctx_current->idle_sp = 0;
3065		3183
3066	void	3184	void
3067	swap_defsv (Coro::State self)	3185	swap_defsv (Coro::State self)
3068	PROTOTYPE: $	3186	PROTOTYPE: $
3069	ALIAS:	3187	ALIAS:
…		…
3086	{	3204	{
3087	int i;	3205	int i;
3088		3206
3089	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3207	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3090	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3208	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3091	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3209	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3092	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3210	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3093	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3211	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3094	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3212	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3095	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3213	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3096	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3214	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3215	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3097		3216
3098	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3217	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3099	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3218	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3100	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3219	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3101	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3220	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
3280	rouse_wait (...)	3399	rouse_wait (...)
3281	PROTOTYPE: ;$	3400	PROTOTYPE: ;$
3282	PPCODE:	3401	PPCODE:
3283	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3402	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3284		3403
		3404	void
		3405	on_enter (SV *block)
		3406	ALIAS:
		3407	on_leave = 1
		3408	PROTOTYPE: &
		3409	CODE:
		3410	{
		3411	struct coro *coro = SvSTATE_current;
		3412	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3413
		3414	block = (SV *)coro_sv_2cv (block);
		3415
		3416	if (!*avp)
		3417	*avp = newAV ();
		3418
		3419	av_push (*avp, SvREFCNT_inc (block));
		3420
		3421	if (!ix)
		3422	on_enterleave_call (aTHX_ block);
		3423
		3424	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3425	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3426	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3427	}
		3428
3285		3429
3286	MODULE = Coro::State PACKAGE = PerlIO::cede	3430	MODULE = Coro::State PACKAGE = PerlIO::cede
3287		3431
3288	BOOT:	3432	BOOT:
3289	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3433	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.321 by root, Sat Nov 22 02:09:54 2008 UTC vs. Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.321 by root, Sat Nov 22 02:09:54 2008 UTC vs.
Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC