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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.323 by root, Sat Nov 22 06:03:10 2008 UTC vs.
Revision 1.359 by root, Mon Jun 29 05:07:19 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
…		…
156	#define GCoroAPI (&coroapi) /* very sneaky */	156	#define GCoroAPI (&coroapi) /* very sneaky */
157		157
158	#ifdef USE_ITHREADS	158	#ifdef USE_ITHREADS
159	# if CORO_PTHREAD	159	# if CORO_PTHREAD
160	static void *coro_thx;	160	static void *coro_thx;
		161	# endif
		162	#endif
		163
		164	#ifdef __linux
		165	# include <time.h> /* for timespec */
		166	# include <syscall.h> /* for SYS_* */
		167	# ifdef SYS_clock_gettime
		168	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		169	# define CORO_CLOCK_MONOTONIC 1
		170	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
161	# endif	171	# endif
162	#endif	172	#endif
163		173
164	static double (nvtime)(); / so why doesn't it take void? */	174	static double (nvtime)(); / so why doesn't it take void? */
165		175
…		…
175	static HV coro_state_stash, coro_stash;	185	static HV coro_state_stash, coro_stash;
176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */	186	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
177		187
178	static AV av_destroy; / destruction queue */	188	static AV av_destroy; / destruction queue */
179	static SV sv_manager; / the manager coro */	189	static SV sv_manager; / the manager coro */
		190	static SV sv_idle; / $Coro::idle */
180		191
181	static GV irsgv; / $/ */	192	static GV irsgv; / $/ */
182	static GV stdoutgv; / STDOUT /	193	static GV stdoutgv; / STDOUT /
183	static SV *rv_diehook;	194	static SV *rv_diehook;
184	static SV *rv_warnhook;	195	static SV *rv_warnhook;
…		…
194	static CV *cv_coro_state_new;	205	static CV *cv_coro_state_new;
195		206
196	/* Coro::AnyEvent */	207	/* Coro::AnyEvent */
197	static SV *sv_activity;	208	static SV *sv_activity;
198		209
		210	/* enable processtime/realtime profiling */
		211	static char profile_times;
		212	typedef U32 coro_ts[2];
		213
199	static struct coro_cctx *cctx_first;	214	static struct coro_cctx *cctx_first;
200	static int cctx_count, cctx_idle;	215	static int cctx_count, cctx_idle;
201		216
202	enum {	217	enum {
203	CC_MAPPED = 0x01,	218	CC_MAPPED = 0x01,
…		…
237	enum {	252	enum {
238	CF_RUNNING = 0x0001, /* coroutine is running */	253	CF_RUNNING = 0x0001, /* coroutine is running */
239	CF_READY = 0x0002, /* coroutine is ready */	254	CF_READY = 0x0002, /* coroutine is ready */
240	CF_NEW = 0x0004, /* has never been switched to */	255	CF_NEW = 0x0004, /* has never been switched to */
241	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	256	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		257	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
242	};	258	};
243		259
244	/* the structure where most of the perl state is stored, overlaid on the cxstack */	260	/* the structure where most of the perl state is stored, overlaid on the cxstack */
245	typedef struct	261	typedef struct
246	{	262	{
247	SV *defsv;	263	SV *defsv;
248	AV *defav;	264	AV *defav;
249	SV *errsv;	265	SV *errsv;
250	SV *irsgv;	266	SV *irsgv;
		267	HV *hinthv;
251	#define VAR(name,type) type name;	268	#define VAR(name,type) type name;
252	# include "state.h"	269	# include "state.h"
253	#undef VAR	270	#undef VAR
254	} perl_slots;	271	} perl_slots;
255		272
…		…
257		274
258	/* this is a structure representing a perl-level coroutine */	275	/* this is a structure representing a perl-level coroutine */
259	struct coro {	276	struct coro {
260	/* the C coroutine allocated to this perl coroutine, if any */	277	/* the C coroutine allocated to this perl coroutine, if any */
261	coro_cctx *cctx;	278	coro_cctx *cctx;
		279
		280	/* ready queue */
		281	struct coro *next_ready;
262		282
263	/* state data */	283	/* state data */
264	struct CoroSLF slf_frame; /* saved slf frame */	284	struct CoroSLF slf_frame; /* saved slf frame */
265	AV *mainstack;	285	AV *mainstack;
266	perl_slots slot; / basically the saved sp */	286	perl_slots slot; / basically the saved sp */
…		…
283	/* async_pool */	303	/* async_pool */
284	SV *saved_deffh;	304	SV *saved_deffh;
285	SV *invoke_cb;	305	SV *invoke_cb;
286	AV *invoke_av;	306	AV *invoke_av;
287		307
		308	/* on_enter/on_leave */
		309	AV *on_enter;
		310	AV *on_leave;
		311
288	/* linked list */	312	/* linked list */
289	struct coro next, prev;	313	struct coro next, prev;
290	};	314	};
291		315
292	typedef struct coro *Coro__State;	316	typedef struct coro *Coro__State;
…		…
297	/* the mainr easonw e don't support windows process emulation */	321	/* the mainr easonw e don't support windows process emulation */
298	static struct CoroSLF slf_frame; /* the current slf frame */	322	static struct CoroSLF slf_frame; /* the current slf frame */
299		323
300	/ Coro ******************************************************************/	324	/ Coro ******************************************************************/
301		325
302	#define PRIO_MAX 3	326	#define CORO_PRIO_MAX 3
303	#define PRIO_HIGH 1	327	#define CORO_PRIO_HIGH 1
304	#define PRIO_NORMAL 0	328	#define CORO_PRIO_NORMAL 0
305	#define PRIO_LOW -1	329	#define CORO_PRIO_LOW -1
306	#define PRIO_IDLE -3	330	#define CORO_PRIO_IDLE -3
307	#define PRIO_MIN -4	331	#define CORO_PRIO_MIN -4
308		332
309	/* for Coro.pm */	333	/* for Coro.pm */
310	static SV *coro_current;	334	static SV *coro_current;
311	static SV *coro_readyhook;	335	static SV *coro_readyhook;
312	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	336	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
313	static CV cv_coro_run, cv_coro_terminate;	337	static CV cv_coro_run, cv_coro_terminate;
314	static struct coro *coro_first;	338	static struct coro *coro_first;
315	#define coro_nready coroapi.nready	339	#define coro_nready coroapi.nready
316		340
317	/ lowlevel stuff ********************************************************/	341	/ lowlevel stuff ********************************************************/
…		…
350	INLINE CV *	374	INLINE CV *
351	coro_sv_2cv (pTHX_ SV *sv)	375	coro_sv_2cv (pTHX_ SV *sv)
352	{	376	{
353	HV *st;	377	HV *st;
354	GV *gvp;	378	GV *gvp;
355	return sv_2cv (sv, &st, &gvp, 0);	379	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		380
		381	if (!cv)
		382	croak ("code reference expected");
		383
		384	return cv;
356	}	385	}
		386
		387	/*****************************************************************************/
		388	/* magic glue */
		389
		390	#define CORO_MAGIC_type_cv 26
		391	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		392
		393	#define CORO_MAGIC_NN(sv, type) \
		394	(expect_true (SvMAGIC (sv)->mg_type == type) \
		395	? SvMAGIC (sv) \
		396	: mg_find (sv, type))
		397
		398	#define CORO_MAGIC(sv, type) \
		399	(expect_true (SvMAGIC (sv)) \
		400	? CORO_MAGIC_NN (sv, type) \
		401	: 0)
		402
		403	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		404	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		405
		406	INLINE struct coro *
		407	SvSTATE_ (pTHX_ SV *coro)
		408	{
		409	HV *stash;
		410	MAGIC *mg;
		411
		412	if (SvROK (coro))
		413	coro = SvRV (coro);
		414
		415	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		416	croak ("Coro::State object required");
		417
		418	stash = SvSTASH (coro);
		419	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		420	{
		421	/* very slow, but rare, check */
		422	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		423	croak ("Coro::State object required");
		424	}
		425
		426	mg = CORO_MAGIC_state (coro);
		427	return (struct coro *)mg->mg_ptr;
		428	}
		429
		430	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		431
		432	/* faster than SvSTATE, but expects a coroutine hv */
		433	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		434	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		435
		436	/*****************************************************************************/
		437	/* padlist management and caching */
357		438
358	static AV *	439	static AV *
359	coro_derive_padlist (pTHX_ CV *cv)	440	coro_derive_padlist (pTHX_ CV *cv)
360	{	441	{
361	AV *padlist = CvPADLIST (cv);	442	AV *padlist = CvPADLIST (cv);
…		…
369	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	450	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370	#endif	451	#endif
371	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	452	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372	--AvFILLp (padlist);	453	--AvFILLp (padlist);
373		454
374	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	455	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375	av_store (newpadlist, 1, (SV *)newpad);	456	av_store (newpadlist, 1, (SV *)newpad);
376		457
377	return newpadlist;	458	return newpadlist;
378	}	459	}
379		460
380	static void	461	static void
381	free_padlist (pTHX_ AV *padlist)	462	free_padlist (pTHX_ AV *padlist)
382	{	463	{
383	/* may be during global destruction */	464	/* may be during global destruction */
384	if (SvREFCNT (padlist))	465	if (!IN_DESTRUCT)
385	{	466	{
386	I32 i = AvFILLp (padlist);	467	I32 i = AvFILLp (padlist);
387	while (i >= 0)	468
		469	while (i > 0) /* special-case index 0 */
388	{	470	{
389	SV **svp = av_fetch (padlist, i--, FALSE);	471	/* we try to be extra-careful here */
390	if (svp)	472	AV av = (AV )AvARRAY (padlist)[i--];
391	{	473	I32 j = AvFILLp (av);
392	SV *sv;	474
393	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	475	while (j >= 0)
		476	SvREFCNT_dec (AvARRAY (av)[j--]);
		477
		478	AvFILLp (av) = -1;
394	SvREFCNT_dec (sv);	479	SvREFCNT_dec (av);
395
396	SvREFCNT_dec (*svp);
397	}
398	}	480	}
399		481
		482	SvREFCNT_dec (AvARRAY (padlist)[0]);
		483
		484	AvFILLp (padlist) = -1;
400	SvREFCNT_dec ((SV*)padlist);	485	SvREFCNT_dec ((SV*)padlist);
401	}	486	}
402	}	487	}
403		488
404	static int	489	static int
405	coro_cv_free (pTHX_ SV sv, MAGIC mg)	490	coro_cv_free (pTHX_ SV sv, MAGIC mg)
406	{	491	{
407	AV *padlist;	492	AV *padlist;
408	AV av = (AV )mg->mg_obj;	493	AV av = (AV )mg->mg_obj;
		494
		495	/* perl manages to free our internal AV and _then_ call us */
		496	if (IN_DESTRUCT)
		497	return;
409		498
410	/* casting is fun. */	499	/* casting is fun. */
411	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	500	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
412	free_padlist (aTHX_ padlist);	501	free_padlist (aTHX_ padlist);
413		502
414	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	503	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415		504
416	return 0;	505	return 0;
417	}	506	}
418
419	#define CORO_MAGIC_type_cv 26
420	#define CORO_MAGIC_type_state PERL_MAGIC_ext
421		507
422	static MGVTBL coro_cv_vtbl = {	508	static MGVTBL coro_cv_vtbl = {
423	0, 0, 0, 0,	509	0, 0, 0, 0,
424	coro_cv_free	510	coro_cv_free
425	};	511	};
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		512
470	/* the next two functions merely cache the padlists */	513	/* the next two functions merely cache the padlists */
471	static void	514	static void
472	get_padlist (pTHX_ CV *cv)	515	get_padlist (pTHX_ CV *cv)
473	{	516	{
…		…
501	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	544	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
502		545
503	av = (AV *)mg->mg_obj;	546	av = (AV *)mg->mg_obj;
504		547
505	if (expect_false (AvFILLp (av) >= AvMAX (av)))	548	if (expect_false (AvFILLp (av) >= AvMAX (av)))
506	av_extend (av, AvMAX (av) + 1);	549	av_extend (av, AvFILLp (av) + 1);
507		550
508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	551	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509	}	552	}
510		553
511	/ load & save, init *****************************************************/	554	/ load & save, init *****************************************************/
		555
		556	static void
		557	on_enterleave_call (pTHX_ SV *cb);
512		558
513	static void	559	static void
514	load_perl (pTHX_ Coro__State c)	560	load_perl (pTHX_ Coro__State c)
515	{	561	{
516	perl_slots *slot = c->slot;	562	perl_slots *slot = c->slot;
517	c->slot = 0;	563	c->slot = 0;
518		564
519	PL_mainstack = c->mainstack;	565	PL_mainstack = c->mainstack;
520		566
521	GvSV (PL_defgv) = slot->defsv;	567	GvSV (PL_defgv) = slot->defsv;
522	GvAV (PL_defgv) = slot->defav;	568	GvAV (PL_defgv) = slot->defav;
523	GvSV (PL_errgv) = slot->errsv;	569	GvSV (PL_errgv) = slot->errsv;
524	GvSV (irsgv) = slot->irsgv;	570	GvSV (irsgv) = slot->irsgv;
		571	GvHV (PL_hintgv) = slot->hinthv;
525		572
526	#define VAR(name,type) PL_ ## name = slot->name;	573	#define VAR(name,type) PL_ ## name = slot->name;
527	# include "state.h"	574	# include "state.h"
528	#undef VAR	575	#undef VAR
529		576
…		…
543	PUTBACK;	590	PUTBACK;
544	}	591	}
545		592
546	slf_frame = c->slf_frame;	593	slf_frame = c->slf_frame;
547	CORO_THROW = c->except;	594	CORO_THROW = c->except;
		595
		596	if (expect_false (c->on_enter))
		597	{
		598	int i;
		599
		600	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		601	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		602	}
548	}	603	}
549		604
550	static void	605	static void
551	save_perl (pTHX_ Coro__State c)	606	save_perl (pTHX_ Coro__State c)
552	{	607	{
		608	if (expect_false (c->on_leave))
		609	{
		610	int i;
		611
		612	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		613	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		614	}
		615
553	c->except = CORO_THROW;	616	c->except = CORO_THROW;
554	c->slf_frame = slf_frame;	617	c->slf_frame = slf_frame;
555		618
556	{	619	{
557	dSP;	620	dSP;
…		…
570	{	633	{
571	while (expect_true (cxix >= 0))	634	while (expect_true (cxix >= 0))
572	{	635	{
573	PERL_CONTEXT *cx = &ccstk[cxix--];	636	PERL_CONTEXT *cx = &ccstk[cxix--];
574		637
575	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	638	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
576	{	639	{
577	CV *cv = cx->blk_sub.cv;	640	CV *cv = cx->blk_sub.cv;
578		641
579	if (expect_true (CvDEPTH (cv)))	642	if (expect_true (CvDEPTH (cv)))
580	{	643	{
…		…
615	c->mainstack = PL_mainstack;	678	c->mainstack = PL_mainstack;
616		679
617	{	680	{
618	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	681	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
619		682
620	slot->defav = GvAV (PL_defgv);	683	slot->defav = GvAV (PL_defgv);
621	slot->defsv = DEFSV;	684	slot->defsv = DEFSV;
622	slot->errsv = ERRSV;	685	slot->errsv = ERRSV;
623	slot->irsgv = GvSV (irsgv);	686	slot->irsgv = GvSV (irsgv);
		687	slot->hinthv = GvHV (PL_hintgv);
624		688
625	#define VAR(name,type) slot->name = PL_ ## name;	689	#define VAR(name,type) slot->name = PL_ ## name;
626	# include "state.h"	690	# include "state.h"
627	#undef VAR	691	#undef VAR
628	}	692	}
…		…
755	#endif	819	#endif
756		820
757	/*	821	/*
758	* This overrides the default magic get method of %SIG elements.	822	* 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	823	* 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	824	* and instead of trying to save and restore the hash elements, we just provide
761	* readback here.	825	* 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	*/	826	*/
766	static int	827	static int
767	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	828	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
768	{	829	{
769	const char *s = MgPV_nolen_const (mg);	830	const char *s = MgPV_nolen_const (mg);
…		…
822	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	883	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823		884
824	if (svp)	885	if (svp)
825	{	886	{
826	SV old = svp;	887	SV old = svp;
827	*svp = newSVsv (sv);	888	*svp = SvOK (sv) ? newSVsv (sv) : 0;
828	SvREFCNT_dec (old);	889	SvREFCNT_dec (old);
829	return 0;	890	return 0;
830	}	891	}
831	}	892	}
832		893
…		…
864		925
865	PL_runops = RUNOPS_DEFAULT;	926	PL_runops = RUNOPS_DEFAULT;
866	PL_curcop = &PL_compiling;	927	PL_curcop = &PL_compiling;
867	PL_in_eval = EVAL_NULL;	928	PL_in_eval = EVAL_NULL;
868	PL_comppad = 0;	929	PL_comppad = 0;
		930	PL_comppad_name = 0;
		931	PL_comppad_name_fill = 0;
		932	PL_comppad_name_floor = 0;
869	PL_curpm = 0;	933	PL_curpm = 0;
870	PL_curpad = 0;	934	PL_curpad = 0;
871	PL_localizing = 0;	935	PL_localizing = 0;
872	PL_dirty = 0;	936	PL_dirty = 0;
873	PL_restartop = 0;	937	PL_restartop = 0;
874	#if PERL_VERSION_ATLEAST (5,10,0)	938	#if PERL_VERSION_ATLEAST (5,10,0)
875	PL_parser = 0;	939	PL_parser = 0;
876	#endif	940	#endif
		941	PL_hints = 0;
877		942
878	/* recreate the die/warn hooks */	943	/* recreate the die/warn hooks */
879	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	944	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);	945	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
881		946
882	GvSV (PL_defgv) = newSV (0);	947	GvSV (PL_defgv) = newSV (0);
883	GvAV (PL_defgv) = coro->args; coro->args = 0;	948	GvAV (PL_defgv) = coro->args; coro->args = 0;
884	GvSV (PL_errgv) = newSV (0);	949	GvSV (PL_errgv) = newSV (0);
885	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	950	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		951	GvHV (PL_hintgv) = 0;
886	PL_rs = newSVsv (GvSV (irsgv));	952	PL_rs = newSVsv (GvSV (irsgv));
887	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	953	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888		954
889	{	955	{
890	dSP;	956	dSP;
…		…
919	/* copy throw, in case it was set before coro_setup */	985	/* copy throw, in case it was set before coro_setup */
920	CORO_THROW = coro->except;	986	CORO_THROW = coro->except;
921	}	987	}
922		988
923	static void	989	static void
924	coro_destruct (pTHX_ struct coro *coro)	990	coro_unwind_stacks (pTHX)
925	{	991	{
926	if (!IN_DESTRUCT)	992	if (!IN_DESTRUCT)
927	{	993	{
928	/* restore all saved variables and stuff */	994	/* restore all saved variables and stuff */
929	LEAVE_SCOPE (0);	995	LEAVE_SCOPE (0);
…		…
937	POPSTACK_TO (PL_mainstack);	1003	POPSTACK_TO (PL_mainstack);
938		1004
939	/* unwind main stack */	1005	/* unwind main stack */
940	dounwind (-1);	1006	dounwind (-1);
941	}	1007	}
		1008	}
942		1009
943	SvREFCNT_dec (GvSV (PL_defgv));	1010	static void
944	SvREFCNT_dec (GvAV (PL_defgv));	1011	coro_destruct_perl (pTHX_ struct coro *coro)
945	SvREFCNT_dec (GvSV (PL_errgv));	1012	{
946	SvREFCNT_dec (PL_defoutgv);	1013	SV *svf [9];
947	SvREFCNT_dec (PL_rs);
948	SvREFCNT_dec (GvSV (irsgv));
949		1014
950	SvREFCNT_dec (PL_diehook);
951	SvREFCNT_dec (PL_warnhook);
952		1015	{
		1016	struct coro *current = SvSTATE_current;
		1017
		1018	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1019
		1020	save_perl (aTHX_ current);
		1021	load_perl (aTHX_ coro);
		1022
		1023	coro_unwind_stacks (aTHX);
		1024	coro_destruct_stacks (aTHX);
		1025
		1026	// now save some sv's to be free'd later
		1027	svf [0] = GvSV (PL_defgv);
		1028	svf [1] = (SV *)GvAV (PL_defgv);
		1029	svf [2] = GvSV (PL_errgv);
		1030	svf [3] = (SV *)PL_defoutgv;
		1031	svf [4] = PL_rs;
		1032	svf [5] = GvSV (irsgv);
		1033	svf [6] = (SV *)GvHV (PL_hintgv);
		1034	svf [7] = PL_diehook;
		1035	svf [8] = PL_warnhook;
		1036	assert (9 == sizeof (svf) / sizeof (*svf));
		1037
		1038	load_perl (aTHX_ current);
		1039	}
		1040
		1041	{
		1042	int i;
		1043
		1044	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1045	SvREFCNT_dec (svf [i]);
		1046
953	SvREFCNT_dec (coro->saved_deffh);	1047	SvREFCNT_dec (coro->saved_deffh);
954	SvREFCNT_dec (coro->rouse_cb);	1048	SvREFCNT_dec (coro->rouse_cb);
955	SvREFCNT_dec (coro->invoke_cb);	1049	SvREFCNT_dec (coro->invoke_cb);
956	SvREFCNT_dec (coro->invoke_av);	1050	SvREFCNT_dec (coro->invoke_av);
957		1051	}
958	coro_destruct_stacks (aTHX);
959	}	1052	}
960		1053
961	INLINE void	1054	INLINE void
962	free_coro_mortal (pTHX)	1055	free_coro_mortal (pTHX)
963	{	1056	{
…		…
1168	/*	1261	/*
1169	* If perl-run returns we assume exit() was being called or the coro	1262	* 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)	1263	* 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	1264	* 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"	1265	* bootstrap-time "top" top_env, as we cannot restore the "main"
1173	* coroutine as Coro has no such concept	1266	* coroutine as Coro has no such concept.
		1267	* This actually isn't valid with the pthread backend, but OSes requiring
		1268	* that backend are too broken to do it in a standards-compliant way.
1174	*/	1269	*/
1175	PL_top_env = main_top_env;	1270	PL_top_env = main_top_env;
1176	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1271	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1177	}	1272	}
1178	}	1273	}
…		…
1255	cctx_destroy (coro_cctx *cctx)	1350	cctx_destroy (coro_cctx *cctx)
1256	{	1351	{
1257	if (!cctx)	1352	if (!cctx)
1258	return;	1353	return;
1259		1354
1260	assert (cctx != cctx_current);//D temporary	1355	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1261		1356
1262	--cctx_count;	1357	--cctx_count;
1263	coro_destroy (&cctx->cctx);	1358	coro_destroy (&cctx->cctx);
1264		1359
1265	/* coro_transfer creates new, empty cctx's */	1360	/* coro_transfer creates new, empty cctx's */
…		…
1329	/* TODO: throwing up here is considered harmful */	1424	/* TODO: throwing up here is considered harmful */
1330		1425
1331	if (expect_true (prev != next))	1426	if (expect_true (prev != next))
1332	{	1427	{
1333	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1428	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1334	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1429	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1335		1430
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))	1431	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,");	1432	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1341		1433
1342	#if !PERL_VERSION_ATLEAST (5,10,0)	1434	#if !PERL_VERSION_ATLEAST (5,10,0)
1343	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1435	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,");	1436	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1345	#endif	1437	#endif
…		…
1393	))	1485	))
1394	{	1486	{
1395	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1487	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1396	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));	1488	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1397		1489
1398	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1490	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1399	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1491	/* without this the next cctx_get might destroy the running cctx while still in use */
1400	if (expect_false (CCTX_EXPIRED (cctx_current)))	1492	if (expect_false (CCTX_EXPIRED (cctx_current)))
1401	if (!next->cctx)	1493	if (expect_true (!next->cctx))
1402	next->cctx = cctx_get (aTHX);	1494	next->cctx = cctx_get (aTHX);
1403		1495
1404	cctx_put (cctx_current);	1496	cctx_put (cctx_current);
1405	assert (!prev->cctx);//D temporary
1406	}	1497	}
1407	else	1498	else
1408	prev->cctx = cctx_current;	1499	prev->cctx = cctx_current;
1409		1500
1410	++next->usecount;	1501	++next->usecount;
…		…
1434	coro_state_destroy (pTHX_ struct coro *coro)	1525	coro_state_destroy (pTHX_ struct coro *coro)
1435	{	1526	{
1436	if (coro->flags & CF_DESTROYED)	1527	if (coro->flags & CF_DESTROYED)
1437	return 0;	1528	return 0;
1438		1529
1439	if (coro->on_destroy)	1530	if (coro->on_destroy && !PL_dirty)
1440	coro->on_destroy (aTHX_ coro);	1531	coro->on_destroy (aTHX_ coro);
1441		1532
1442	coro->flags \|= CF_DESTROYED;	1533	coro->flags \|= CF_DESTROYED;
1443		1534
1444	if (coro->flags & CF_READY)	1535	if (coro->flags & CF_READY)
…		…
1448	--coro_nready;	1539	--coro_nready;
1449	}	1540	}
1450	else	1541	else
1451	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1542	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1452		1543
1453	if (coro->mainstack && coro->mainstack != main_mainstack)	1544	if (coro->mainstack
1454	{	1545	&& coro->mainstack != main_mainstack
1455	struct coro temp;	1546	&& coro->slot
1456		1547	&& !PL_dirty)
1457	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1458
1459	save_perl (aTHX_ &temp);
1460	load_perl (aTHX_ coro);
1461
1462	coro_destruct (aTHX_ coro);	1548	coro_destruct_perl (aTHX_ coro);
1463
1464	load_perl (aTHX_ &temp);
1465
1466	coro->slot = 0;
1467	}
1468		1549
1469	cctx_destroy (coro->cctx);	1550	cctx_destroy (coro->cctx);
1470	SvREFCNT_dec (coro->startcv);	1551	SvREFCNT_dec (coro->startcv);
1471	SvREFCNT_dec (coro->args);	1552	SvREFCNT_dec (coro->args);
1472	SvREFCNT_dec (CORO_THROW);	1553	SvREFCNT_dec (CORO_THROW);
…		…
1559	/ Coro ******************************************************************/	1640	/ Coro ******************************************************************/
1560		1641
1561	INLINE void	1642	INLINE void
1562	coro_enq (pTHX_ struct coro *coro)	1643	coro_enq (pTHX_ struct coro *coro)
1563	{	1644	{
1564	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1645	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1565	}
1566		1646
1567	INLINE SV *	1647	SvREFCNT_inc_NN (coro->hv);
		1648
		1649	coro->next_ready = 0;
		1650	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1651	ready [1] = coro;
		1652	}
		1653
		1654	INLINE struct coro *
1568	coro_deq (pTHX)	1655	coro_deq (pTHX)
1569	{	1656	{
1570	int prio;	1657	int prio;
1571		1658
1572	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1659	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1573	if (AvFILLp (coro_ready [prio]) >= 0)	1660	{
1574	return av_shift (coro_ready [prio]);	1661	struct coro **ready = coro_ready [prio];
		1662
		1663	if (ready [0])
		1664	{
		1665	struct coro *coro = ready [0];
		1666	ready [0] = coro->next_ready;
		1667	return coro;
		1668	}
		1669	}
1575		1670
1576	return 0;	1671	return 0;
1577	}	1672	}
1578		1673
1579	static int	1674	static int
…		…
1581	{	1676	{
1582	struct coro *coro;	1677	struct coro *coro;
1583	SV *sv_hook;	1678	SV *sv_hook;
1584	void (*xs_hook)(void);	1679	void (*xs_hook)(void);
1585		1680
1586	if (SvROK (coro_sv))
1587	coro_sv = SvRV (coro_sv);
1588
1589	coro = SvSTATE (coro_sv);	1681	coro = SvSTATE (coro_sv);
1590		1682
1591	if (coro->flags & CF_READY)	1683	if (coro->flags & CF_READY)
1592	return 0;	1684	return 0;
1593		1685
…		…
1646	static void	1738	static void
1647	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1739	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1648	{	1740	{
1649	for (;;)	1741	for (;;)
1650	{	1742	{
1651	SV *next_sv = coro_deq (aTHX);	1743	struct coro *next = coro_deq (aTHX);
1652		1744
1653	if (expect_true (next_sv))	1745	if (expect_true (next))
1654	{	1746	{
1655	struct coro *next = SvSTATE_hv (next_sv);
1656
1657	/* cannot transfer to destroyed coros, skip and look for next */	1747	/* cannot transfer to destroyed coros, skip and look for next */
1658	if (expect_false (next->flags & CF_DESTROYED))	1748	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1659	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1749	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1660	else	1750	else
1661	{	1751	{
1662	next->flags &= ~CF_READY;	1752	next->flags &= ~CF_READY;
1663	--coro_nready;	1753	--coro_nready;
1664		1754
…		…
1667	}	1757	}
1668	}	1758	}
1669	else	1759	else
1670	{	1760	{
1671	/* nothing to schedule: call the idle handler */	1761	/* nothing to schedule: call the idle handler */
		1762	if (SvROK (sv_idle)
		1763	&& SvOBJECT (SvRV (sv_idle)))
		1764	{
		1765	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1766	api_ready (aTHX_ SvRV (sv_idle));
		1767	--coro_nready;
		1768	}
		1769	else
		1770	{
1672	dSP;	1771	dSP;
1673		1772
1674	ENTER;	1773	ENTER;
1675	SAVETMPS;	1774	SAVETMPS;
1676		1775
1677	PUSHMARK (SP);	1776	PUSHMARK (SP);
1678	PUTBACK;	1777	PUTBACK;
1679	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1778	call_sv (sv_idle, G_VOID \| G_DISCARD);
1680		1779
1681	FREETMPS;	1780	FREETMPS;
1682	LEAVE;	1781	LEAVE;
		1782	}
1683	}	1783	}
1684	}	1784	}
1685	}	1785	}
1686		1786
1687	INLINE void	1787	INLINE void
…		…
1758	static void	1858	static void
1759	api_trace (pTHX_ SV *coro_sv, int flags)	1859	api_trace (pTHX_ SV *coro_sv, int flags)
1760	{	1860	{
1761	struct coro *coro = SvSTATE (coro_sv);	1861	struct coro *coro = SvSTATE (coro_sv);
1762		1862
		1863	if (coro->flags & CF_RUNNING)
		1864	croak ("cannot enable tracing on a running coroutine, caught");
		1865
1763	if (flags & CC_TRACE)	1866	if (flags & CC_TRACE)
1764	{	1867	{
1765	if (!coro->cctx)	1868	if (!coro->cctx)
1766	coro->cctx = cctx_new_run ();	1869	coro->cctx = cctx_new_run ();
1767	else if (!(coro->cctx->flags & CC_TRACE))	1870	else if (!(coro->cctx->flags & CC_TRACE))
1768	croak ("cannot enable tracing on coroutine with custom stack,");	1871	croak ("cannot enable tracing on coroutine with custom stack, caught");
1769		1872
1770	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1873	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1771	}	1874	}
1772	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1875	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1773	{	1876	{
…		…
1829	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1932	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1830	api_ready (aTHX_ sv_manager);	1933	api_ready (aTHX_ sv_manager);
1831		1934
1832	frame->prepare = prepare_schedule;	1935	frame->prepare = prepare_schedule;
1833	frame->check = slf_check_repeat;	1936	frame->check = slf_check_repeat;
		1937
		1938	/* as a minor optimisation, we could unwind all stacks here */
		1939	/* but that puts extra pressure on pp_slf, and is not worth much */
		1940	/coro_unwind_stacks (aTHX);/
1834	}	1941	}
1835		1942
1836	/*****************************************************************************/	1943	/*****************************************************************************/
1837	/* async pool handler */	1944	/* async pool handler */
1838		1945
…		…
1921	SV data = (SV )GENSUB_ARG;	2028	SV data = (SV )GENSUB_ARG;
1922		2029
1923	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2030	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1924	{	2031	{
1925	/* first call, set args */	2032	/* first call, set args */
		2033	SV *coro = SvRV (data);
1926	AV *av = newAV ();	2034	AV *av = newAV ();
1927	SV *coro = SvRV (data);
1928		2035
1929	SvRV_set (data, (SV *)av);	2036	SvRV_set (data, (SV *)av);
1930	api_ready (aTHX_ coro);
1931	SvREFCNT_dec (coro);
1932		2037
1933	/* better take a full copy of the arguments */	2038	/* better take a full copy of the arguments */
1934	while (items--)	2039	while (items--)
1935	av_store (av, items, newSVsv (ST (items)));	2040	av_store (av, items, newSVsv (ST (items)));
		2041
		2042	api_ready (aTHX_ coro);
		2043	SvREFCNT_dec (coro);
1936	}	2044	}
1937		2045
1938	XSRETURN_EMPTY;	2046	XSRETURN_EMPTY;
1939	}	2047	}
1940		2048
…		…
1957		2065
1958	EXTEND (SP, AvFILLp (av) + 1);	2066	EXTEND (SP, AvFILLp (av) + 1);
1959	for (i = 0; i <= AvFILLp (av); ++i)	2067	for (i = 0; i <= AvFILLp (av); ++i)
1960	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2068	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1961		2069
1962	/* we have stolen the elements, so ste length to zero and free */	2070	/* we have stolen the elements, so set length to zero and free */
1963	AvFILLp (av) = -1;	2071	AvFILLp (av) = -1;
1964	av_undef (av);	2072	av_undef (av);
1965		2073
1966	PUTBACK;	2074	PUTBACK;
1967	}	2075	}
…		…
2257		2365
2258	PL_op->op_ppaddr = pp_slf;	2366	PL_op->op_ppaddr = pp_slf;
2259	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2367	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2260		2368
2261	PL_op = (OP *)&slf_restore;	2369	PL_op = (OP *)&slf_restore;
		2370	}
		2371
		2372	/*****************************************************************************/
		2373	/* dynamic wind */
		2374
		2375	static void
		2376	on_enterleave_call (pTHX_ SV *cb)
		2377	{
		2378	dSP;
		2379
		2380	PUSHSTACK;
		2381
		2382	PUSHMARK (SP);
		2383	PUTBACK;
		2384	call_sv (cb, G_VOID \| G_DISCARD);
		2385	SPAGAIN;
		2386
		2387	POPSTACK;
		2388	}
		2389
		2390	static SV *
		2391	coro_avp_pop_and_free (pTHX_ AV **avp)
		2392	{
		2393	AV av = avp;
		2394	SV *res = av_pop (av);
		2395
		2396	if (AvFILLp (av) < 0)
		2397	{
		2398	*avp = 0;
		2399	SvREFCNT_dec (av);
		2400	}
		2401
		2402	return res;
		2403	}
		2404
		2405	static void
		2406	coro_pop_on_enter (pTHX_ void *coro)
		2407	{
		2408	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2409	SvREFCNT_dec (cb);
		2410	}
		2411
		2412	static void
		2413	coro_pop_on_leave (pTHX_ void *coro)
		2414	{
		2415	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2416	on_enterleave_call (aTHX_ sv_2mortal (cb));
2262	}	2417	}
2263		2418
2264	/*****************************************************************************/	2419	/*****************************************************************************/
2265	/* PerlIO::cede */	2420	/* PerlIO::cede */
2266		2421
…		…
2340	/* Coro::Semaphore & Coro::Signal */	2495	/* Coro::Semaphore & Coro::Signal */
2341		2496
2342	static SV *	2497	static SV *
2343	coro_waitarray_new (pTHX_ int count)	2498	coro_waitarray_new (pTHX_ int count)
2344	{	2499	{
2345	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2500	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2346	AV *av = newAV ();	2501	AV *av = newAV ();
2347	SV **ary;	2502	SV **ary;
2348		2503
2349	/* unfortunately, building manually saves memory */	2504	/* unfortunately, building manually saves memory */
2350	Newx (ary, 2, SV *);	2505	Newx (ary, 2, SV *);
2351	AvALLOC (av) = ary;	2506	AvALLOC (av) = ary;
		2507	#if PERL_VERSION_ATLEAST (5,10,0)
2352	/AvARRAY (av) = ary;/	2508	AvARRAY (av) = ary;
		2509	#else
2353	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2510	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2511	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2512	SvPVX ((SV )av) = (char )ary;
		2513	#endif
2354	AvMAX (av) = 1;	2514	AvMAX (av) = 1;
2355	AvFILLp (av) = 0;	2515	AvFILLp (av) = 0;
2356	ary [0] = newSViv (count);	2516	ary [0] = newSViv (count);
2357		2517
2358	return newRV_noinc ((SV *)av);	2518	return newRV_noinc ((SV *)av);
…		…
2489	{	2649	{
2490	/* callback form */	2650	/* callback form */
2491	AV av = (AV )SvRV (arg [0]);	2651	AV av = (AV )SvRV (arg [0]);
2492	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2652	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2493		2653
2494	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2654	av_push (av, SvREFCNT_inc_NN (cb_cv));
2495		2655
2496	if (SvIVX (AvARRAY (av)[0]) > 0)	2656	if (SvIVX (AvARRAY (av)[0]) > 0)
2497	coro_semaphore_adjust (aTHX_ av, 0);	2657	coro_semaphore_adjust (aTHX_ av, 0);
2498		2658
2499	frame->prepare = prepare_nop;	2659	frame->prepare = prepare_nop;
…		…
2523	AvARRAY (av)[0] = AvARRAY (av)[1];	2683	AvARRAY (av)[0] = AvARRAY (av)[1];
2524	AvARRAY (av)[1] = cb;	2684	AvARRAY (av)[1] = cb;
2525		2685
2526	cb = av_shift (av);	2686	cb = av_shift (av);
2527		2687
		2688	if (SvTYPE (cb) == SVt_PVCV)
		2689	{
		2690	dSP;
		2691	PUSHMARK (SP);
		2692	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2693	PUTBACK;
		2694	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2695	}
		2696	else
		2697	{
2528	api_ready (aTHX_ cb);	2698	api_ready (aTHX_ cb);
2529	sv_setiv (cb, 0); /* signal waiter */	2699	sv_setiv (cb, 0); /* signal waiter */
		2700	}
		2701
2530	SvREFCNT_dec (cb);	2702	SvREFCNT_dec (cb);
2531		2703
2532	--count;	2704	--count;
2533	}	2705	}
2534	}	2706	}
…		…
2543	static void	2715	static void
2544	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2716	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2545	{	2717	{
2546	AV av = (AV )SvRV (arg [0]);	2718	AV av = (AV )SvRV (arg [0]);
2547		2719
		2720	if (items >= 2)
		2721	{
		2722	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2723	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2724
2548	if (SvIVX (AvARRAY (av)[0]))	2725	if (SvIVX (AvARRAY (av)[0]))
		2726	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2727
		2728	frame->prepare = prepare_nop;
		2729	frame->check = slf_check_nop;
		2730	}
		2731	else if (SvIVX (AvARRAY (av)[0]))
2549	{	2732	{
2550	SvIVX (AvARRAY (av)[0]) = 0;	2733	SvIVX (AvARRAY (av)[0]) = 0;
2551	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
2552	frame->check = slf_check_nop;	2735	frame->check = slf_check_nop;
2553	}	2736	}
2554	else	2737	else
2555	{	2738	{
2556	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2739	SV waiter = newSVsv (coro_current); / owned by signal av */
2557		2740
2558	av_push (av, waiter);	2741	av_push (av, waiter);
2559		2742
2560	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2743	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2561	frame->prepare = prepare_schedule;	2744	frame->prepare = prepare_schedule;
…		…
2802	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	2985	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2803		2986
2804	nvtime = INT2PTR (double ()(), SvIV (svp));	2987	nvtime = INT2PTR (double ()(), SvIV (svp));
2805	}	2988	}
2806		2989
2807	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2990	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2808	}	2991	}
2809		2992
2810	SV *	2993	SV *
2811	new (char *klass, ...)	2994	new (char *klass, ...)
2812	ALIAS:	2995	ALIAS:
…		…
2887	SV *	3070	SV *
2888	clone (Coro::State coro)	3071	clone (Coro::State coro)
2889	CODE:	3072	CODE:
2890	{	3073	{
2891	#if CORO_CLONE	3074	#if CORO_CLONE
2892	struct coro *ncoro = coro_clone (coro);	3075	struct coro *ncoro = coro_clone (aTHX_ coro);
2893	MAGIC *mg;	3076	MAGIC *mg;
2894	/* TODO: too much duplication */	3077	/* TODO: too much duplication */
2895	ncoro->hv = newHV ();	3078	ncoro->hv = newHV ();
2896	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3079	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2897	mg->mg_flags \|= MGf_DUP;	3080	mg->mg_flags \|= MGf_DUP;
…		…
2959	eval = 1	3142	eval = 1
2960	CODE:	3143	CODE:
2961	{	3144	{
2962	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3145	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2963	{	3146	{
2964	struct coro temp;	3147	struct coro *current = SvSTATE_current;
2965		3148
2966	if (!(coro->flags & CF_RUNNING))	3149	if (current != coro)
2967	{	3150	{
2968	PUTBACK;	3151	PUTBACK;
2969	save_perl (aTHX_ &temp);	3152	save_perl (aTHX_ current);
2970	load_perl (aTHX_ coro);	3153	load_perl (aTHX_ coro);
		3154	SPAGAIN;
2971	}	3155	}
2972		3156
2973	{
2974	dSP;
2975	ENTER;
2976	SAVETMPS;
2977	PUTBACK;
2978	PUSHSTACK;	3157	PUSHSTACK;
		3158
2979	PUSHMARK (SP);	3159	PUSHMARK (SP);
		3160	PUTBACK;
2980		3161
2981	if (ix)	3162	if (ix)
2982	eval_sv (coderef, 0);	3163	eval_sv (coderef, 0);
2983	else	3164	else
2984	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3165	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2985		3166
2986	POPSTACK;	3167	POPSTACK;
2987	SPAGAIN;	3168	SPAGAIN;
2988	FREETMPS;
2989	LEAVE;
2990	PUTBACK;
2991	}
2992		3169
2993	if (!(coro->flags & CF_RUNNING))	3170	if (current != coro)
2994	{	3171	{
		3172	PUTBACK;
2995	save_perl (aTHX_ coro);	3173	save_perl (aTHX_ coro);
2996	load_perl (aTHX_ &temp);	3174	load_perl (aTHX_ current);
2997	SPAGAIN;	3175	SPAGAIN;
2998	}	3176	}
2999	}	3177	}
3000	}	3178	}
3001		3179
…		…
3005	ALIAS:	3183	ALIAS:
3006	is_ready = CF_READY	3184	is_ready = CF_READY
3007	is_running = CF_RUNNING	3185	is_running = CF_RUNNING
3008	is_new = CF_NEW	3186	is_new = CF_NEW
3009	is_destroyed = CF_DESTROYED	3187	is_destroyed = CF_DESTROYED
		3188	is_suspended = CF_SUSPENDED
3010	CODE:	3189	CODE:
3011	RETVAL = boolSV (coro->flags & ix);	3190	RETVAL = boolSV (coro->flags & ix);
3012	OUTPUT:	3191	OUTPUT:
3013	RETVAL	3192	RETVAL
3014		3193
…		…
3018	CODE:	3197	CODE:
3019	{	3198	{
3020	struct coro *current = SvSTATE_current;	3199	struct coro *current = SvSTATE_current;
3021	SV **throwp = self == current ? &CORO_THROW : &self->except;	3200	SV **throwp = self == current ? &CORO_THROW : &self->except;
3022	SvREFCNT_dec (*throwp);	3201	SvREFCNT_dec (*throwp);
		3202	SvGETMAGIC (throw);
3023	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3203	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3024	}	3204	}
3025		3205
3026	void	3206	void
3027	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3207	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3079	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3259	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3080		3260
3081	SV tmp = src; src = dst; *dst = tmp;	3261	SV tmp = src; src = dst; *dst = tmp;
3082	}	3262	}
3083		3263
		3264	void
		3265	cancel (Coro::State self)
		3266	CODE:
		3267	coro_state_destroy (aTHX_ self);
		3268	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3269
3084		3270
3085	MODULE = Coro::State PACKAGE = Coro	3271	MODULE = Coro::State PACKAGE = Coro
3086		3272
3087	BOOT:	3273	BOOT:
3088	{	3274	{
3089	int i;
3090
3091	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3275	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3092	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3276	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3093	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3277	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3094	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3278	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3095	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3279	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3096	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3280	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3097	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3281	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3098	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3282	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3283	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3099		3284
3100	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3285	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3101	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3286	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3102	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3287	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3103	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3288	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3104		3289
3105	coro_stash = gv_stashpv ("Coro", TRUE);	3290	coro_stash = gv_stashpv ("Coro", TRUE);
3106		3291
3107	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3292	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3108	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3293	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3109	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3294	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3110	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3295	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3111	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3296	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3112	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3297	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3113
3114	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3115	coro_ready[i] = newAV ();
3116		3298
3117	{	3299	{
3118	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3300	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3119		3301
3120	coroapi.schedule = api_schedule;	3302	coroapi.schedule = api_schedule;
…		…
3161	cede_notself (...)	3343	cede_notself (...)
3162	CODE:	3344	CODE:
3163	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3345	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3164		3346
3165	void	3347	void
3166	_cancel (Coro::State self)
3167	CODE:
3168	coro_state_destroy (aTHX_ self);
3169	coro_call_on_destroy (aTHX_ self);
3170
3171	void
3172	_set_current (SV *current)	3348	_set_current (SV *current)
3173	PROTOTYPE: $	3349	PROTOTYPE: $
3174	CODE:	3350	CODE:
3175	SvREFCNT_dec (SvRV (coro_current));	3351	SvREFCNT_dec (SvRV (coro_current));
3176	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3352	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3178	void	3354	void
3179	_set_readyhook (SV *hook)	3355	_set_readyhook (SV *hook)
3180	PROTOTYPE: $	3356	PROTOTYPE: $
3181	CODE:	3357	CODE:
3182	SvREFCNT_dec (coro_readyhook);	3358	SvREFCNT_dec (coro_readyhook);
		3359	SvGETMAGIC (hook);
3183	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3360	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3184		3361
3185	int	3362	int
3186	prio (Coro::State coro, int newprio = 0)	3363	prio (Coro::State coro, int newprio = 0)
3187	PROTOTYPE: $;$	3364	PROTOTYPE: $;$
…		…
3194	if (items > 1)	3371	if (items > 1)
3195	{	3372	{
3196	if (ix)	3373	if (ix)
3197	newprio = coro->prio - newprio;	3374	newprio = coro->prio - newprio;
3198		3375
3199	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3376	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3200	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3377	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3201		3378
3202	coro->prio = newprio;	3379	coro->prio = newprio;
3203	}	3380	}
3204	}	3381	}
3205	OUTPUT:	3382	OUTPUT:
…		…
3218	PROTOTYPE:	3395	PROTOTYPE:
3219	CODE:	3396	CODE:
3220	RETVAL = coro_nready;	3397	RETVAL = coro_nready;
3221	OUTPUT:	3398	OUTPUT:
3222	RETVAL	3399	RETVAL
		3400
		3401	void
		3402	suspend (Coro::State self)
		3403	PROTOTYPE: $
		3404	CODE:
		3405	self->flags \|= CF_SUSPENDED;
		3406
		3407	void
		3408	resume (Coro::State self)
		3409	PROTOTYPE: $
		3410	CODE:
		3411	self->flags &= ~CF_SUSPENDED;
3223		3412
3224	void	3413	void
3225	_pool_handler (...)	3414	_pool_handler (...)
3226	CODE:	3415	CODE:
3227	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3416	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3282	rouse_wait (...)	3471	rouse_wait (...)
3283	PROTOTYPE: ;$	3472	PROTOTYPE: ;$
3284	PPCODE:	3473	PPCODE:
3285	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3474	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3286		3475
		3476	void
		3477	on_enter (SV *block)
		3478	ALIAS:
		3479	on_leave = 1
		3480	PROTOTYPE: &
		3481	CODE:
		3482	{
		3483	struct coro *coro = SvSTATE_current;
		3484	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3485
		3486	block = (SV *)coro_sv_2cv (aTHX_ block);
		3487
		3488	if (!*avp)
		3489	*avp = newAV ();
		3490
		3491	av_push (*avp, SvREFCNT_inc (block));
		3492
		3493	if (!ix)
		3494	on_enterleave_call (aTHX_ block);
		3495
		3496	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3497	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3498	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3499	}
		3500
3287		3501
3288	MODULE = Coro::State PACKAGE = PerlIO::cede	3502	MODULE = Coro::State PACKAGE = PerlIO::cede
3289		3503
3290	BOOT:	3504	BOOT:
3291	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3505	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3294	MODULE = Coro::State PACKAGE = Coro::Semaphore	3508	MODULE = Coro::State PACKAGE = Coro::Semaphore
3295		3509
3296	SV *	3510	SV *
3297	new (SV klass, SV count = 0)	3511	new (SV klass, SV count = 0)
3298	CODE:	3512	CODE:
		3513	{
		3514	int semcnt = 1;
		3515
		3516	if (count)
		3517	{
		3518	SvGETMAGIC (count);
		3519
		3520	if (SvOK (count))
		3521	semcnt = SvIV (count);
		3522	}
		3523
3299	RETVAL = sv_bless (	3524	RETVAL = sv_bless (
3300	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3525	coro_waitarray_new (aTHX_ semcnt),
3301	GvSTASH (CvGV (cv))	3526	GvSTASH (CvGV (cv))
3302	);	3527	);
		3528	}
3303	OUTPUT:	3529	OUTPUT:
3304	RETVAL	3530	RETVAL
3305		3531
3306	# helper for Coro::Channel	3532	# helper for Coro::Channel and others
3307	SV *	3533	SV *
3308	_alloc (int count)	3534	_alloc (int count)
3309	CODE:	3535	CODE:
3310	RETVAL = coro_waitarray_new (aTHX_ count);	3536	RETVAL = coro_waitarray_new (aTHX_ count);
3311	OUTPUT:	3537	OUTPUT:
…		…
3369	for (i = 1; i <= wcount; ++i)	3595	for (i = 1; i <= wcount; ++i)
3370	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3596	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3371	}	3597	}
3372	}	3598	}
3373		3599
		3600	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3601
		3602	void
		3603	_may_delete (SV *sem, int count, int extra_refs)
		3604	PPCODE:
		3605	{
		3606	AV av = (AV )SvRV (sem);
		3607
		3608	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3609	&& AvFILLp (av) == 0 /* no waiters, just count */
		3610	&& SvIV (AvARRAY (av)[0]) == count)
		3611	XSRETURN_YES;
		3612
		3613	XSRETURN_NO;
		3614	}
		3615
3374	MODULE = Coro::State PACKAGE = Coro::Signal	3616	MODULE = Coro::State PACKAGE = Coro::Signal
3375		3617
3376	SV *	3618	SV *
3377	new (SV *klass)	3619	new (SV *klass)
3378	CODE:	3620	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.323 by root, Sat Nov 22 06:03:10 2008 UTC vs. Revision 1.359 by root, Mon Jun 29 05:07:19 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.323 by root, Sat Nov 22 06:03:10 2008 UTC vs.
Revision 1.359 by root, Mon Jun 29 05:07:19 2009 UTC