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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs.
Revision 1.362 by root, Wed Jul 1 07:58:45 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
…		…
159	# if CORO_PTHREAD	159	# if CORO_PTHREAD
160	static void *coro_thx;	160	static void *coro_thx;
161	# endif	161	# endif
162	#endif	162	#endif
163		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
		171	# endif
		172	#endif
		173
164	static double (nvtime)(); / so why doesn't it take void? */	174	static double (nvtime)(); / so why doesn't it take void? */
		175	static void (*u2time)(pTHX_ UV ret[2]);
165		176
166	/* we hijack an hopefully unused CV flag for our purposes */	177	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	178	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	179	static OP *pp_slf (pTHX);
169		180
…		…
175	static HV coro_state_stash, coro_stash;	186	static HV coro_state_stash, coro_stash;
176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */	187	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
177		188
178	static AV av_destroy; / destruction queue */	189	static AV av_destroy; / destruction queue */
179	static SV sv_manager; / the manager coro */	190	static SV sv_manager; / the manager coro */
		191	static SV sv_idle; / $Coro::idle */
180		192
181	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
182	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
183	static SV *rv_diehook;	195	static SV *rv_diehook;
184	static SV *rv_warnhook;	196	static SV *rv_warnhook;
…		…
194	static CV *cv_coro_state_new;	206	static CV *cv_coro_state_new;
195		207
196	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
197	static SV *sv_activity;	209	static SV *sv_activity;
198		210
		211	/* enable processtime/realtime profiling */
		212	static char enable_times;
		213	typedef U32 coro_ts[2];
		214	static coro_ts time_real, time_cpu;
		215	static char times_valid;
		216
199	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
200	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
201		219
202	enum {	220	enum {
203	CC_MAPPED = 0x01,	221	CC_MAPPED = 0x01,
…		…
237	enum {	255	enum {
238	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
239	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
240	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
241	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	259	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		260	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
242	};	261	};
243		262
244	/* the structure where most of the perl state is stored, overlaid on the cxstack */	263	/* the structure where most of the perl state is stored, overlaid on the cxstack */
245	typedef struct	264	typedef struct
246	{	265	{
247	SV *defsv;	266	SV *defsv;
248	AV *defav;	267	AV *defav;
249	SV *errsv;	268	SV *errsv;
250	SV *irsgv;	269	SV *irsgv;
		270	HV *hinthv;
251	#define VAR(name,type) type name;	271	#define VAR(name,type) type name;
252	# include "state.h"	272	# include "state.h"
253	#undef VAR	273	#undef VAR
254	} perl_slots;	274	} perl_slots;
255		275
…		…
257		277
258	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
259	struct coro {	279	struct coro {
260	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
261	coro_cctx *cctx;	281	coro_cctx *cctx;
		282
		283	/* ready queue */
		284	struct coro *next_ready;
262		285
263	/* state data */	286	/* state data */
264	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
265	AV *mainstack;	288	AV *mainstack;
266	perl_slots slot; / basically the saved sp */	289	perl_slots slot; / basically the saved sp */
…		…
283	/* async_pool */	306	/* async_pool */
284	SV *saved_deffh;	307	SV *saved_deffh;
285	SV *invoke_cb;	308	SV *invoke_cb;
286	AV *invoke_av;	309	AV *invoke_av;
287		310
		311	/* on_enter/on_leave */
		312	AV *on_enter;
		313	AV *on_leave;
		314
		315	/* times */
		316	coro_ts t_cpu, t_real;
		317
288	/* linked list */	318	/* linked list */
289	struct coro next, prev;	319	struct coro next, prev;
290	};	320	};
291		321
292	typedef struct coro *Coro__State;	322	typedef struct coro *Coro__State;
…		…
297	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
298	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
299		329
300	/ Coro ******************************************************************/	330	/ Coro ******************************************************************/
301		331
302	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
303	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
304	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
305	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
306	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
307	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
308		338
309	/* for Coro.pm */	339	/* for Coro.pm */
310	static SV *coro_current;	340	static SV *coro_current;
311	static SV *coro_readyhook;	341	static SV *coro_readyhook;
312	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	342	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
313	static CV cv_coro_run, cv_coro_terminate;	343	static CV cv_coro_run, cv_coro_terminate;
314	static struct coro *coro_first;	344	static struct coro *coro_first;
315	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
316		346
317	/ lowlevel stuff ********************************************************/	347	/ lowlevel stuff ********************************************************/
…		…
350	INLINE CV *	380	INLINE CV *
351	coro_sv_2cv (pTHX_ SV *sv)	381	coro_sv_2cv (pTHX_ SV *sv)
352	{	382	{
353	HV *st;	383	HV *st;
354	GV *gvp;	384	GV *gvp;
355	return sv_2cv (sv, &st, &gvp, 0);	385	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		386
		387	if (!cv)
		388	croak ("code reference expected");
		389
		390	return cv;
356	}	391	}
		392
		393	INLINE void
		394	coro_times_update ()
		395	{
		396	#ifdef coro_clock_gettime
		397	struct timespec ts;
		398
		399	ts.tv_sec = ts.tv_nsec = 0;
		400	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		401	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		402
		403	ts.tv_sec = ts.tv_nsec = 0;
		404	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		405	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		406	#else
		407	dTHX;
		408	UV tv[2];
		409
		410	u2time (aTHX_ tv);
		411	time_real [0] = tv [0];
		412	time_real [1] = tv [1] * 1000;
		413	#endif
		414	}
		415
		416	INLINE void
		417	coro_times_add (struct coro *c)
		418	{
		419	c->t_real [1] += time_real [1];
		420	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		421	c->t_real [0] += time_real [0];
		422
		423	c->t_cpu [1] += time_cpu [1];
		424	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		425	c->t_cpu [0] += time_cpu [0];
		426	}
		427
		428	INLINE void
		429	coro_times_sub (struct coro *c)
		430	{
		431	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		432	c->t_real [1] -= time_real [1];
		433	c->t_real [0] -= time_real [0];
		434
		435	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		436	c->t_cpu [1] -= time_cpu [1];
		437	c->t_cpu [0] -= time_cpu [0];
		438	}
		439
		440	/*****************************************************************************/
		441	/* magic glue */
		442
		443	#define CORO_MAGIC_type_cv 26
		444	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		445
		446	#define CORO_MAGIC_NN(sv, type) \
		447	(expect_true (SvMAGIC (sv)->mg_type == type) \
		448	? SvMAGIC (sv) \
		449	: mg_find (sv, type))
		450
		451	#define CORO_MAGIC(sv, type) \
		452	(expect_true (SvMAGIC (sv)) \
		453	? CORO_MAGIC_NN (sv, type) \
		454	: 0)
		455
		456	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		457	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		458
		459	INLINE struct coro *
		460	SvSTATE_ (pTHX_ SV *coro)
		461	{
		462	HV *stash;
		463	MAGIC *mg;
		464
		465	if (SvROK (coro))
		466	coro = SvRV (coro);
		467
		468	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		469	croak ("Coro::State object required");
		470
		471	stash = SvSTASH (coro);
		472	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		473	{
		474	/* very slow, but rare, check */
		475	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		476	croak ("Coro::State object required");
		477	}
		478
		479	mg = CORO_MAGIC_state (coro);
		480	return (struct coro *)mg->mg_ptr;
		481	}
		482
		483	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		484
		485	/* faster than SvSTATE, but expects a coroutine hv */
		486	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		487	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		488
		489	/*****************************************************************************/
		490	/* padlist management and caching */
357		491
358	static AV *	492	static AV *
359	coro_derive_padlist (pTHX_ CV *cv)	493	coro_derive_padlist (pTHX_ CV *cv)
360	{	494	{
361	AV *padlist = CvPADLIST (cv);	495	AV *padlist = CvPADLIST (cv);
…		…
369	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	503	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370	#endif	504	#endif
371	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	505	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372	--AvFILLp (padlist);	506	--AvFILLp (padlist);
373		507
374	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	508	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375	av_store (newpadlist, 1, (SV *)newpad);	509	av_store (newpadlist, 1, (SV *)newpad);
376		510
377	return newpadlist;	511	return newpadlist;
378	}	512	}
379		513
380	static void	514	static void
381	free_padlist (pTHX_ AV *padlist)	515	free_padlist (pTHX_ AV *padlist)
382	{	516	{
383	/* may be during global destruction */	517	/* may be during global destruction */
384	if (SvREFCNT (padlist))	518	if (!IN_DESTRUCT)
385	{	519	{
386	I32 i = AvFILLp (padlist);	520	I32 i = AvFILLp (padlist);
387	while (i >= 0)	521
		522	while (i > 0) /* special-case index 0 */
388	{	523	{
389	SV **svp = av_fetch (padlist, i--, FALSE);	524	/* we try to be extra-careful here */
390	if (svp)	525	AV av = (AV )AvARRAY (padlist)[i--];
391	{	526	I32 j = AvFILLp (av);
392	SV *sv;	527
393	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	528	while (j >= 0)
		529	SvREFCNT_dec (AvARRAY (av)[j--]);
		530
		531	AvFILLp (av) = -1;
394	SvREFCNT_dec (sv);	532	SvREFCNT_dec (av);
395
396	SvREFCNT_dec (*svp);
397	}
398	}	533	}
399		534
		535	SvREFCNT_dec (AvARRAY (padlist)[0]);
		536
		537	AvFILLp (padlist) = -1;
400	SvREFCNT_dec ((SV*)padlist);	538	SvREFCNT_dec ((SV*)padlist);
401	}	539	}
402	}	540	}
403		541
404	static int	542	static int
405	coro_cv_free (pTHX_ SV sv, MAGIC mg)	543	coro_cv_free (pTHX_ SV sv, MAGIC mg)
406	{	544	{
407	AV *padlist;	545	AV *padlist;
408	AV av = (AV )mg->mg_obj;	546	AV av = (AV )mg->mg_obj;
		547
		548	/* perl manages to free our internal AV and _then_ call us */
		549	if (IN_DESTRUCT)
		550	return 0;
409		551
410	/* casting is fun. */	552	/* casting is fun. */
411	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	553	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
412	free_padlist (aTHX_ padlist);	554	free_padlist (aTHX_ padlist);
413		555
414	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	556	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415		557
416	return 0;	558	return 0;
417	}	559	}
418
419	#define CORO_MAGIC_type_cv 26
420	#define CORO_MAGIC_type_state PERL_MAGIC_ext
421		560
422	static MGVTBL coro_cv_vtbl = {	561	static MGVTBL coro_cv_vtbl = {
423	0, 0, 0, 0,	562	0, 0, 0, 0,
424	coro_cv_free	563	coro_cv_free
425	};	564	};
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		565
470	/* the next two functions merely cache the padlists */	566	/* the next two functions merely cache the padlists */
471	static void	567	static void
472	get_padlist (pTHX_ CV *cv)	568	get_padlist (pTHX_ CV *cv)
473	{	569	{
…		…
501	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	597	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
502		598
503	av = (AV *)mg->mg_obj;	599	av = (AV *)mg->mg_obj;
504		600
505	if (expect_false (AvFILLp (av) >= AvMAX (av)))	601	if (expect_false (AvFILLp (av) >= AvMAX (av)))
506	av_extend (av, AvMAX (av) + 1);	602	av_extend (av, AvFILLp (av) + 1);
507		603
508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	604	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509	}	605	}
510		606
511	/ load & save, init *****************************************************/	607	/ load & save, init *****************************************************/
		608
		609	static void
		610	on_enterleave_call (pTHX_ SV *cb);
512		611
513	static void	612	static void
514	load_perl (pTHX_ Coro__State c)	613	load_perl (pTHX_ Coro__State c)
515	{	614	{
516	perl_slots *slot = c->slot;	615	perl_slots *slot = c->slot;
517	c->slot = 0;	616	c->slot = 0;
518		617
519	PL_mainstack = c->mainstack;	618	PL_mainstack = c->mainstack;
520		619
521	GvSV (PL_defgv) = slot->defsv;	620	GvSV (PL_defgv) = slot->defsv;
522	GvAV (PL_defgv) = slot->defav;	621	GvAV (PL_defgv) = slot->defav;
523	GvSV (PL_errgv) = slot->errsv;	622	GvSV (PL_errgv) = slot->errsv;
524	GvSV (irsgv) = slot->irsgv;	623	GvSV (irsgv) = slot->irsgv;
		624	GvHV (PL_hintgv) = slot->hinthv;
525		625
526	#define VAR(name,type) PL_ ## name = slot->name;	626	#define VAR(name,type) PL_ ## name = slot->name;
527	# include "state.h"	627	# include "state.h"
528	#undef VAR	628	#undef VAR
529		629
…		…
543	PUTBACK;	643	PUTBACK;
544	}	644	}
545		645
546	slf_frame = c->slf_frame;	646	slf_frame = c->slf_frame;
547	CORO_THROW = c->except;	647	CORO_THROW = c->except;
		648
		649	if (expect_false (enable_times))
		650	{
		651	if (expect_false (!times_valid))
		652	coro_times_update ();
		653
		654	coro_times_sub (c);
		655	}
		656
		657	if (expect_false (c->on_enter))
		658	{
		659	int i;
		660
		661	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		662	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		663	}
548	}	664	}
549		665
550	static void	666	static void
551	save_perl (pTHX_ Coro__State c)	667	save_perl (pTHX_ Coro__State c)
552	{	668	{
		669	if (expect_false (c->on_leave))
		670	{
		671	int i;
		672
		673	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		674	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		675	}
		676
		677	times_valid = 0;
		678
		679	if (expect_false (enable_times))
		680	{
		681	coro_times_update (); times_valid = 1;
		682	coro_times_add (c);
		683	}
		684
553	c->except = CORO_THROW;	685	c->except = CORO_THROW;
554	c->slf_frame = slf_frame;	686	c->slf_frame = slf_frame;
555		687
556	{	688	{
557	dSP;	689	dSP;
…		…
570	{	702	{
571	while (expect_true (cxix >= 0))	703	while (expect_true (cxix >= 0))
572	{	704	{
573	PERL_CONTEXT *cx = &ccstk[cxix--];	705	PERL_CONTEXT *cx = &ccstk[cxix--];
574		706
575	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	707	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
576	{	708	{
577	CV *cv = cx->blk_sub.cv;	709	CV *cv = cx->blk_sub.cv;
578		710
579	if (expect_true (CvDEPTH (cv)))	711	if (expect_true (CvDEPTH (cv)))
580	{	712	{
…		…
604	/* we manually unroll here, as usually 2 slots is enough */	736	/* we manually unroll here, as usually 2 slots is enough */
605	if (SLOT_COUNT >= 1) CXINC;	737	if (SLOT_COUNT >= 1) CXINC;
606	if (SLOT_COUNT >= 2) CXINC;	738	if (SLOT_COUNT >= 2) CXINC;
607	if (SLOT_COUNT >= 3) CXINC;	739	if (SLOT_COUNT >= 3) CXINC;
608	{	740	{
609	int i;	741	unsigned int i;
610	for (i = 3; i < SLOT_COUNT; ++i)	742	for (i = 3; i < SLOT_COUNT; ++i)
611	CXINC;	743	CXINC;
612	}	744	}
613	cxstack_ix -= SLOT_COUNT; /* undo allocation */	745	cxstack_ix -= SLOT_COUNT; /* undo allocation */
614		746
615	c->mainstack = PL_mainstack;	747	c->mainstack = PL_mainstack;
616		748
617	{	749	{
618	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	750	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
619		751
620	slot->defav = GvAV (PL_defgv);	752	slot->defav = GvAV (PL_defgv);
621	slot->defsv = DEFSV;	753	slot->defsv = DEFSV;
622	slot->errsv = ERRSV;	754	slot->errsv = ERRSV;
623	slot->irsgv = GvSV (irsgv);	755	slot->irsgv = GvSV (irsgv);
		756	slot->hinthv = GvHV (PL_hintgv);
624		757
625	#define VAR(name,type) slot->name = PL_ ## name;	758	#define VAR(name,type) slot->name = PL_ ## name;
626	# include "state.h"	759	# include "state.h"
627	#undef VAR	760	#undef VAR
628	}	761	}
…		…
755	#endif	888	#endif
756		889
757	/*	890	/*
758	* This overrides the default magic get method of %SIG elements.	891	* 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	892	* 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	893	* and instead of trying to save and restore the hash elements, we just provide
761	* readback here.	894	* 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	*/	895	*/
766	static int	896	static int
767	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	897	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
768	{	898	{
769	const char *s = MgPV_nolen_const (mg);	899	const char *s = MgPV_nolen_const (mg);
…		…
822	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	952	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823		953
824	if (svp)	954	if (svp)
825	{	955	{
826	SV old = svp;	956	SV old = svp;
827	*svp = newSVsv (sv);	957	*svp = SvOK (sv) ? newSVsv (sv) : 0;
828	SvREFCNT_dec (old);	958	SvREFCNT_dec (old);
829	return 0;	959	return 0;
830	}	960	}
831	}	961	}
832		962
…		…
864		994
865	PL_runops = RUNOPS_DEFAULT;	995	PL_runops = RUNOPS_DEFAULT;
866	PL_curcop = &PL_compiling;	996	PL_curcop = &PL_compiling;
867	PL_in_eval = EVAL_NULL;	997	PL_in_eval = EVAL_NULL;
868	PL_comppad = 0;	998	PL_comppad = 0;
		999	PL_comppad_name = 0;
		1000	PL_comppad_name_fill = 0;
		1001	PL_comppad_name_floor = 0;
869	PL_curpm = 0;	1002	PL_curpm = 0;
870	PL_curpad = 0;	1003	PL_curpad = 0;
871	PL_localizing = 0;	1004	PL_localizing = 0;
872	PL_dirty = 0;	1005	PL_dirty = 0;
873	PL_restartop = 0;	1006	PL_restartop = 0;
874	#if PERL_VERSION_ATLEAST (5,10,0)	1007	#if PERL_VERSION_ATLEAST (5,10,0)
875	PL_parser = 0;	1008	PL_parser = 0;
876	#endif	1009	#endif
		1010	PL_hints = 0;
877		1011
878	/* recreate the die/warn hooks */	1012	/* recreate the die/warn hooks */
879	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	1013	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);	1014	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
881		1015
882	GvSV (PL_defgv) = newSV (0);	1016	GvSV (PL_defgv) = newSV (0);
883	GvAV (PL_defgv) = coro->args; coro->args = 0;	1017	GvAV (PL_defgv) = coro->args; coro->args = 0;
884	GvSV (PL_errgv) = newSV (0);	1018	GvSV (PL_errgv) = newSV (0);
885	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1019	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		1020	GvHV (PL_hintgv) = 0;
886	PL_rs = newSVsv (GvSV (irsgv));	1021	PL_rs = newSVsv (GvSV (irsgv));
887	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1022	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888		1023
889	{	1024	{
890	dSP;	1025	dSP;
…		…
916		1051
917	PL_op = (OP *)&coro_setup_op;	1052	PL_op = (OP *)&coro_setup_op;
918		1053
919	/* copy throw, in case it was set before coro_setup */	1054	/* copy throw, in case it was set before coro_setup */
920	CORO_THROW = coro->except;	1055	CORO_THROW = coro->except;
921	}
922		1056
		1057	if (expect_false (enable_times))
		1058	{
		1059	coro_times_update ();
		1060	coro_times_sub (coro);
		1061	}
		1062	}
		1063
923	static void	1064	static void
924	coro_destruct (pTHX_ struct coro *coro)	1065	coro_unwind_stacks (pTHX)
925	{	1066	{
926	if (!IN_DESTRUCT)	1067	if (!IN_DESTRUCT)
927	{	1068	{
928	/* restore all saved variables and stuff */	1069	/* restore all saved variables and stuff */
929	LEAVE_SCOPE (0);	1070	LEAVE_SCOPE (0);
…		…
937	POPSTACK_TO (PL_mainstack);	1078	POPSTACK_TO (PL_mainstack);
938		1079
939	/* unwind main stack */	1080	/* unwind main stack */
940	dounwind (-1);	1081	dounwind (-1);
941	}	1082	}
		1083	}
942		1084
943	SvREFCNT_dec (GvSV (PL_defgv));	1085	static void
944	SvREFCNT_dec (GvAV (PL_defgv));	1086	coro_destruct_perl (pTHX_ struct coro *coro)
945	SvREFCNT_dec (GvSV (PL_errgv));	1087	{
946	SvREFCNT_dec (PL_defoutgv);	1088	SV *svf [9];
947	SvREFCNT_dec (PL_rs);
948	SvREFCNT_dec (GvSV (irsgv));
949		1089
950	SvREFCNT_dec (PL_diehook);
951	SvREFCNT_dec (PL_warnhook);
952		1090	{
		1091	struct coro *current = SvSTATE_current;
		1092
		1093	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1094
		1095	save_perl (aTHX_ current);
		1096	load_perl (aTHX_ coro);
		1097
		1098	coro_unwind_stacks (aTHX);
		1099	coro_destruct_stacks (aTHX);
		1100
		1101	// now save some sv's to be free'd later
		1102	svf [0] = GvSV (PL_defgv);
		1103	svf [1] = (SV *)GvAV (PL_defgv);
		1104	svf [2] = GvSV (PL_errgv);
		1105	svf [3] = (SV *)PL_defoutgv;
		1106	svf [4] = PL_rs;
		1107	svf [5] = GvSV (irsgv);
		1108	svf [6] = (SV *)GvHV (PL_hintgv);
		1109	svf [7] = PL_diehook;
		1110	svf [8] = PL_warnhook;
		1111	assert (9 == sizeof (svf) / sizeof (*svf));
		1112
		1113	load_perl (aTHX_ current);
		1114	}
		1115
		1116	{
		1117	unsigned int i;
		1118
		1119	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1120	SvREFCNT_dec (svf [i]);
		1121
953	SvREFCNT_dec (coro->saved_deffh);	1122	SvREFCNT_dec (coro->saved_deffh);
954	SvREFCNT_dec (coro->rouse_cb);	1123	SvREFCNT_dec (coro->rouse_cb);
955	SvREFCNT_dec (coro->invoke_cb);	1124	SvREFCNT_dec (coro->invoke_cb);
956	SvREFCNT_dec (coro->invoke_av);	1125	SvREFCNT_dec (coro->invoke_av);
957		1126	}
958	coro_destruct_stacks (aTHX);
959	}	1127	}
960		1128
961	INLINE void	1129	INLINE void
962	free_coro_mortal (pTHX)	1130	free_coro_mortal (pTHX)
963	{	1131	{
…		…
1168	/*	1336	/*
1169	* If perl-run returns we assume exit() was being called or the coro	1337	* 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)	1338	* 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	1339	* 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"	1340	* bootstrap-time "top" top_env, as we cannot restore the "main"
1173	* coroutine as Coro has no such concept	1341	* coroutine as Coro has no such concept.
		1342	* This actually isn't valid with the pthread backend, but OSes requiring
		1343	* that backend are too broken to do it in a standards-compliant way.
1174	*/	1344	*/
1175	PL_top_env = main_top_env;	1345	PL_top_env = main_top_env;
1176	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1346	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1177	}	1347	}
1178	}	1348	}
…		…
1255	cctx_destroy (coro_cctx *cctx)	1425	cctx_destroy (coro_cctx *cctx)
1256	{	1426	{
1257	if (!cctx)	1427	if (!cctx)
1258	return;	1428	return;
1259		1429
1260	assert (cctx != cctx_current);//D temporary	1430	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1261		1431
1262	--cctx_count;	1432	--cctx_count;
1263	coro_destroy (&cctx->cctx);	1433	coro_destroy (&cctx->cctx);
1264		1434
1265	/* coro_transfer creates new, empty cctx's */	1435	/* coro_transfer creates new, empty cctx's */
…		…
1329	/* TODO: throwing up here is considered harmful */	1499	/* TODO: throwing up here is considered harmful */
1330		1500
1331	if (expect_true (prev != next))	1501	if (expect_true (prev != next))
1332	{	1502	{
1333	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1503	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,");	1504	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1335		1505
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))	1506	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,");	1507	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1341		1508
1342	#if !PERL_VERSION_ATLEAST (5,10,0)	1509	#if !PERL_VERSION_ATLEAST (5,10,0)
1343	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1510	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,");	1511	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1345	#endif	1512	#endif
…		…
1383	coro_setup (aTHX_ next);	1550	coro_setup (aTHX_ next);
1384	}	1551	}
1385	else	1552	else
1386	load_perl (aTHX_ next);	1553	load_perl (aTHX_ next);
1387		1554
1388	assert (!prev->cctx);//D temporary
1389
1390	/* possibly untie and reuse the cctx */	1555	/* possibly untie and reuse the cctx */
1391	if (expect_true (	1556	if (expect_true (
1392	cctx_current->idle_sp == STACKLEVEL	1557	cctx_current->idle_sp == STACKLEVEL
1393	&& !(cctx_current->flags & CC_TRACE)	1558	&& !(cctx_current->flags & CC_TRACE)
1394	&& !force_cctx	1559	&& !force_cctx
…		…
1435	coro_state_destroy (pTHX_ struct coro *coro)	1600	coro_state_destroy (pTHX_ struct coro *coro)
1436	{	1601	{
1437	if (coro->flags & CF_DESTROYED)	1602	if (coro->flags & CF_DESTROYED)
1438	return 0;	1603	return 0;
1439		1604
1440	if (coro->on_destroy)	1605	if (coro->on_destroy && !PL_dirty)
1441	coro->on_destroy (aTHX_ coro);	1606	coro->on_destroy (aTHX_ coro);
1442		1607
1443	coro->flags \|= CF_DESTROYED;	1608	coro->flags \|= CF_DESTROYED;
1444		1609
1445	if (coro->flags & CF_READY)	1610	if (coro->flags & CF_READY)
…		…
1449	--coro_nready;	1614	--coro_nready;
1450	}	1615	}
1451	else	1616	else
1452	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1617	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1453		1618
1454	if (coro->mainstack && coro->mainstack != main_mainstack)	1619	if (coro->mainstack
1455	{	1620	&& coro->mainstack != main_mainstack
1456	struct coro temp;	1621	&& coro->slot
1457		1622	&& !PL_dirty)
1458	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1459
1460	save_perl (aTHX_ &temp);
1461	load_perl (aTHX_ coro);
1462
1463	coro_destruct (aTHX_ coro);	1623	coro_destruct_perl (aTHX_ coro);
1464
1465	load_perl (aTHX_ &temp);
1466
1467	coro->slot = 0;
1468	}
1469		1624
1470	cctx_destroy (coro->cctx);	1625	cctx_destroy (coro->cctx);
1471	SvREFCNT_dec (coro->startcv);	1626	SvREFCNT_dec (coro->startcv);
1472	SvREFCNT_dec (coro->args);	1627	SvREFCNT_dec (coro->args);
1473	SvREFCNT_dec (CORO_THROW);	1628	SvREFCNT_dec (CORO_THROW);
…		…
1560	/ Coro ******************************************************************/	1715	/ Coro ******************************************************************/
1561		1716
1562	INLINE void	1717	INLINE void
1563	coro_enq (pTHX_ struct coro *coro)	1718	coro_enq (pTHX_ struct coro *coro)
1564	{	1719	{
1565	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1720	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1566	}
1567		1721
1568	INLINE SV *	1722	SvREFCNT_inc_NN (coro->hv);
		1723
		1724	coro->next_ready = 0;
		1725	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1726	ready [1] = coro;
		1727	}
		1728
		1729	INLINE struct coro *
1569	coro_deq (pTHX)	1730	coro_deq (pTHX)
1570	{	1731	{
1571	int prio;	1732	int prio;
1572		1733
1573	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1734	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1574	if (AvFILLp (coro_ready [prio]) >= 0)	1735	{
1575	return av_shift (coro_ready [prio]);	1736	struct coro **ready = coro_ready [prio];
		1737
		1738	if (ready [0])
		1739	{
		1740	struct coro *coro = ready [0];
		1741	ready [0] = coro->next_ready;
		1742	return coro;
		1743	}
		1744	}
1576		1745
1577	return 0;	1746	return 0;
1578	}	1747	}
1579		1748
1580	static int	1749	static int
…		…
1582	{	1751	{
1583	struct coro *coro;	1752	struct coro *coro;
1584	SV *sv_hook;	1753	SV *sv_hook;
1585	void (*xs_hook)(void);	1754	void (*xs_hook)(void);
1586		1755
1587	if (SvROK (coro_sv))
1588	coro_sv = SvRV (coro_sv);
1589
1590	coro = SvSTATE (coro_sv);	1756	coro = SvSTATE (coro_sv);
1591		1757
1592	if (coro->flags & CF_READY)	1758	if (coro->flags & CF_READY)
1593	return 0;	1759	return 0;
1594		1760
…		…
1647	static void	1813	static void
1648	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1814	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1649	{	1815	{
1650	for (;;)	1816	for (;;)
1651	{	1817	{
1652	SV *next_sv = coro_deq (aTHX);	1818	struct coro *next = coro_deq (aTHX);
1653		1819
1654	if (expect_true (next_sv))	1820	if (expect_true (next))
1655	{	1821	{
1656	struct coro *next = SvSTATE_hv (next_sv);
1657
1658	/* cannot transfer to destroyed coros, skip and look for next */	1822	/* cannot transfer to destroyed coros, skip and look for next */
1659	if (expect_false (next->flags & CF_DESTROYED))	1823	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1660	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1824	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1661	else	1825	else
1662	{	1826	{
1663	next->flags &= ~CF_READY;	1827	next->flags &= ~CF_READY;
1664	--coro_nready;	1828	--coro_nready;
1665		1829
…		…
1668	}	1832	}
1669	}	1833	}
1670	else	1834	else
1671	{	1835	{
1672	/* nothing to schedule: call the idle handler */	1836	/* nothing to schedule: call the idle handler */
		1837	if (SvROK (sv_idle)
		1838	&& SvOBJECT (SvRV (sv_idle)))
		1839	{
		1840	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1841	api_ready (aTHX_ SvRV (sv_idle));
		1842	--coro_nready;
		1843	}
		1844	else
		1845	{
1673	dSP;	1846	dSP;
1674		1847
1675	ENTER;	1848	ENTER;
1676	SAVETMPS;	1849	SAVETMPS;
1677		1850
1678	PUSHMARK (SP);	1851	PUSHMARK (SP);
1679	PUTBACK;	1852	PUTBACK;
1680	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1853	call_sv (sv_idle, G_VOID \| G_DISCARD);
1681		1854
1682	FREETMPS;	1855	FREETMPS;
1683	LEAVE;	1856	LEAVE;
		1857	}
1684	}	1858	}
1685	}	1859	}
1686	}	1860	}
1687		1861
1688	INLINE void	1862	INLINE void
…		…
1833	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	2007	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1834	api_ready (aTHX_ sv_manager);	2008	api_ready (aTHX_ sv_manager);
1835		2009
1836	frame->prepare = prepare_schedule;	2010	frame->prepare = prepare_schedule;
1837	frame->check = slf_check_repeat;	2011	frame->check = slf_check_repeat;
		2012
		2013	/* as a minor optimisation, we could unwind all stacks here */
		2014	/* but that puts extra pressure on pp_slf, and is not worth much */
		2015	/coro_unwind_stacks (aTHX);/
1838	}	2016	}
1839		2017
1840	/*****************************************************************************/	2018	/*****************************************************************************/
1841	/* async pool handler */	2019	/* async pool handler */
1842		2020
…		…
1925	SV data = (SV )GENSUB_ARG;	2103	SV data = (SV )GENSUB_ARG;
1926		2104
1927	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1928	{	2106	{
1929	/* first call, set args */	2107	/* first call, set args */
		2108	SV *coro = SvRV (data);
1930	AV *av = newAV ();	2109	AV *av = newAV ();
1931	SV *coro = SvRV (data);
1932		2110
1933	SvRV_set (data, (SV *)av);	2111	SvRV_set (data, (SV *)av);
1934	api_ready (aTHX_ coro);
1935	SvREFCNT_dec (coro);
1936		2112
1937	/* better take a full copy of the arguments */	2113	/* better take a full copy of the arguments */
1938	while (items--)	2114	while (items--)
1939	av_store (av, items, newSVsv (ST (items)));	2115	av_store (av, items, newSVsv (ST (items)));
		2116
		2117	api_ready (aTHX_ coro);
		2118	SvREFCNT_dec (coro);
1940	}	2119	}
1941		2120
1942	XSRETURN_EMPTY;	2121	XSRETURN_EMPTY;
1943	}	2122	}
1944		2123
…		…
1961		2140
1962	EXTEND (SP, AvFILLp (av) + 1);	2141	EXTEND (SP, AvFILLp (av) + 1);
1963	for (i = 0; i <= AvFILLp (av); ++i)	2142	for (i = 0; i <= AvFILLp (av); ++i)
1964	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2143	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1965		2144
1966	/* we have stolen the elements, so ste length to zero and free */	2145	/* we have stolen the elements, so set length to zero and free */
1967	AvFILLp (av) = -1;	2146	AvFILLp (av) = -1;
1968	av_undef (av);	2147	av_undef (av);
1969		2148
1970	PUTBACK;	2149	PUTBACK;
1971	}	2150	}
…		…
2261		2440
2262	PL_op->op_ppaddr = pp_slf;	2441	PL_op->op_ppaddr = pp_slf;
2263	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2442	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2264		2443
2265	PL_op = (OP *)&slf_restore;	2444	PL_op = (OP *)&slf_restore;
		2445	}
		2446
		2447	/*****************************************************************************/
		2448	/* dynamic wind */
		2449
		2450	static void
		2451	on_enterleave_call (pTHX_ SV *cb)
		2452	{
		2453	dSP;
		2454
		2455	PUSHSTACK;
		2456
		2457	PUSHMARK (SP);
		2458	PUTBACK;
		2459	call_sv (cb, G_VOID \| G_DISCARD);
		2460	SPAGAIN;
		2461
		2462	POPSTACK;
		2463	}
		2464
		2465	static SV *
		2466	coro_avp_pop_and_free (pTHX_ AV **avp)
		2467	{
		2468	AV av = avp;
		2469	SV *res = av_pop (av);
		2470
		2471	if (AvFILLp (av) < 0)
		2472	{
		2473	*avp = 0;
		2474	SvREFCNT_dec (av);
		2475	}
		2476
		2477	return res;
		2478	}
		2479
		2480	static void
		2481	coro_pop_on_enter (pTHX_ void *coro)
		2482	{
		2483	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2484	SvREFCNT_dec (cb);
		2485	}
		2486
		2487	static void
		2488	coro_pop_on_leave (pTHX_ void *coro)
		2489	{
		2490	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2491	on_enterleave_call (aTHX_ sv_2mortal (cb));
2266	}	2492	}
2267		2493
2268	/*****************************************************************************/	2494	/*****************************************************************************/
2269	/* PerlIO::cede */	2495	/* PerlIO::cede */
2270		2496
…		…
2344	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2345		2571
2346	static SV *	2572	static SV *
2347	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2348	{	2574	{
2349	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2575	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2350	AV *av = newAV ();	2576	AV *av = newAV ();
2351	SV **ary;	2577	SV **ary;
2352		2578
2353	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2354	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
2355	AvALLOC (av) = ary;	2581	AvALLOC (av) = ary;
		2582	#if PERL_VERSION_ATLEAST (5,10,0)
2356	/AvARRAY (av) = ary;/	2583	AvARRAY (av) = ary;
		2584	#else
2357	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2585	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2586	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2587	SvPVX ((SV )av) = (char )ary;
		2588	#endif
2358	AvMAX (av) = 1;	2589	AvMAX (av) = 1;
2359	AvFILLp (av) = 0;	2590	AvFILLp (av) = 0;
2360	ary [0] = newSViv (count);	2591	ary [0] = newSViv (count);
2361		2592
2362	return newRV_noinc ((SV *)av);	2593	return newRV_noinc ((SV *)av);
…		…
2493	{	2724	{
2494	/* callback form */	2725	/* callback form */
2495	AV av = (AV )SvRV (arg [0]);	2726	AV av = (AV )SvRV (arg [0]);
2496	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2497		2728
2498	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2499		2730
2500	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2501	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2502		2733
2503	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2527	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2528	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2529		2760
2530	cb = av_shift (av);	2761	cb = av_shift (av);
2531		2762
		2763	if (SvTYPE (cb) == SVt_PVCV)
		2764	{
		2765	dSP;
		2766	PUSHMARK (SP);
		2767	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2768	PUTBACK;
		2769	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2770	}
		2771	else
		2772	{
2532	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2533	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2534	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2535		2778
2536	--count;	2779	--count;
2537	}	2780	}
2538	}	2781	}
…		…
2547	static void	2790	static void
2548	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2791	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2549	{	2792	{
2550	AV av = (AV )SvRV (arg [0]);	2793	AV av = (AV )SvRV (arg [0]);
2551		2794
		2795	if (items >= 2)
		2796	{
		2797	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2798	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2799
2552	if (SvIVX (AvARRAY (av)[0]))	2800	if (SvIVX (AvARRAY (av)[0]))
		2801	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2802
		2803	frame->prepare = prepare_nop;
		2804	frame->check = slf_check_nop;
		2805	}
		2806	else if (SvIVX (AvARRAY (av)[0]))
2553	{	2807	{
2554	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2555	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2556	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2557	}	2811	}
2558	else	2812	else
2559	{	2813	{
2560	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2814	SV waiter = newSVsv (coro_current); / owned by signal av */
2561		2815
2562	av_push (av, waiter);	2816	av_push (av, waiter);
2563		2817
2564	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2818	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2565	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2804		3058
2805	if (!svp) croak ("Time::HiRes is required");	3059	if (!svp) croak ("Time::HiRes is required");
2806	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3060	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2807		3061
2808	nvtime = INT2PTR (double ()(), SvIV (svp));	3062	nvtime = INT2PTR (double ()(), SvIV (svp));
		3063
		3064	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3065	u2time = INT2PTR (void ()(pTHX_ UV ret[2]), SvIV (svp));
2809	}	3066	}
2810		3067
2811	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3068	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2812	}	3069	}
2813		3070
2814	SV *	3071	SV *
2815	new (char *klass, ...)	3072	new (char *klass, ...)
2816	ALIAS:	3073	ALIAS:
…		…
2891	SV *	3148	SV *
2892	clone (Coro::State coro)	3149	clone (Coro::State coro)
2893	CODE:	3150	CODE:
2894	{	3151	{
2895	#if CORO_CLONE	3152	#if CORO_CLONE
2896	struct coro *ncoro = coro_clone (coro);	3153	struct coro *ncoro = coro_clone (aTHX_ coro);
2897	MAGIC *mg;	3154	MAGIC *mg;
2898	/* TODO: too much duplication */	3155	/* TODO: too much duplication */
2899	ncoro->hv = newHV ();	3156	ncoro->hv = newHV ();
2900	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3157	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2901	mg->mg_flags \|= MGf_DUP;	3158	mg->mg_flags \|= MGf_DUP;
…		…
2963	eval = 1	3220	eval = 1
2964	CODE:	3221	CODE:
2965	{	3222	{
2966	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3223	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2967	{	3224	{
2968	struct coro temp;	3225	struct coro *current = SvSTATE_current;
2969		3226
2970	if (!(coro->flags & CF_RUNNING))	3227	if (current != coro)
2971	{	3228	{
2972	PUTBACK;	3229	PUTBACK;
2973	save_perl (aTHX_ &temp);	3230	save_perl (aTHX_ current);
2974	load_perl (aTHX_ coro);	3231	load_perl (aTHX_ coro);
		3232	SPAGAIN;
2975	}	3233	}
2976		3234
2977	{
2978	dSP;
2979	ENTER;
2980	SAVETMPS;
2981	PUTBACK;
2982	PUSHSTACK;	3235	PUSHSTACK;
		3236
2983	PUSHMARK (SP);	3237	PUSHMARK (SP);
		3238	PUTBACK;
2984		3239
2985	if (ix)	3240	if (ix)
2986	eval_sv (coderef, 0);	3241	eval_sv (coderef, 0);
2987	else	3242	else
2988	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3243	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2989		3244
2990	POPSTACK;	3245	POPSTACK;
2991	SPAGAIN;	3246	SPAGAIN;
2992	FREETMPS;
2993	LEAVE;
2994	PUTBACK;
2995	}
2996		3247
2997	if (!(coro->flags & CF_RUNNING))	3248	if (current != coro)
2998	{	3249	{
		3250	PUTBACK;
2999	save_perl (aTHX_ coro);	3251	save_perl (aTHX_ coro);
3000	load_perl (aTHX_ &temp);	3252	load_perl (aTHX_ current);
3001	SPAGAIN;	3253	SPAGAIN;
3002	}	3254	}
3003	}	3255	}
3004	}	3256	}
3005		3257
…		…
3009	ALIAS:	3261	ALIAS:
3010	is_ready = CF_READY	3262	is_ready = CF_READY
3011	is_running = CF_RUNNING	3263	is_running = CF_RUNNING
3012	is_new = CF_NEW	3264	is_new = CF_NEW
3013	is_destroyed = CF_DESTROYED	3265	is_destroyed = CF_DESTROYED
		3266	is_suspended = CF_SUSPENDED
3014	CODE:	3267	CODE:
3015	RETVAL = boolSV (coro->flags & ix);	3268	RETVAL = boolSV (coro->flags & ix);
3016	OUTPUT:	3269	OUTPUT:
3017	RETVAL	3270	RETVAL
3018		3271
…		…
3022	CODE:	3275	CODE:
3023	{	3276	{
3024	struct coro *current = SvSTATE_current;	3277	struct coro *current = SvSTATE_current;
3025	SV **throwp = self == current ? &CORO_THROW : &self->except;	3278	SV **throwp = self == current ? &CORO_THROW : &self->except;
3026	SvREFCNT_dec (*throwp);	3279	SvREFCNT_dec (*throwp);
		3280	SvGETMAGIC (throw);
3027	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3281	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3028	}	3282	}
3029		3283
3030	void	3284	void
3031	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3285	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3083	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3337	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3084		3338
3085	SV tmp = src; src = dst; *dst = tmp;	3339	SV tmp = src; src = dst; *dst = tmp;
3086	}	3340	}
3087		3341
		3342	void
		3343	cancel (Coro::State self)
		3344	CODE:
		3345	coro_state_destroy (aTHX_ self);
		3346	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3347
		3348
		3349	SV *
		3350	enable_times (int enabled = enable_times)
		3351	CODE:
		3352	{
		3353	RETVAL = boolSV (enable_times);
		3354
		3355	if (enabled != enable_times)
		3356	{
		3357	enable_times = enabled;
		3358
		3359	coro_times_update ();
		3360	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3361	}
		3362	}
		3363	OUTPUT:
		3364	RETVAL
		3365
		3366	void
		3367	times (Coro::State self)
		3368	PPCODE:
		3369	{
		3370	struct coro *current = SvSTATE (coro_current);
		3371
		3372	if (expect_false (current == self))
		3373	{
		3374	coro_times_update ();
		3375	coro_times_add (SvSTATE (coro_current));
		3376	}
		3377
		3378	EXTEND (SP, 2);
		3379	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3380	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3381
		3382	if (expect_false (current == self))
		3383	coro_times_sub (SvSTATE (coro_current));
		3384	}
3088		3385
3089	MODULE = Coro::State PACKAGE = Coro	3386	MODULE = Coro::State PACKAGE = Coro
3090		3387
3091	BOOT:	3388	BOOT:
3092	{	3389	{
3093	int i;
3094
3095	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3390	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3096	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3391	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3097	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3392	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3098	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3393	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3099	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3394	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3100	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3395	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3101	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3396	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3102	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3397	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3398	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3103		3399
3104	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3400	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3105	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3401	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3106	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3402	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3107	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3403	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3108		3404
3109	coro_stash = gv_stashpv ("Coro", TRUE);	3405	coro_stash = gv_stashpv ("Coro", TRUE);
3110		3406
3111	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3407	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3112	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3408	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3113	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3409	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3114	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3410	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3115	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3411	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3116	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3412	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3117
3118	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3119	coro_ready[i] = newAV ();
3120		3413
3121	{	3414	{
3122	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3415	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3123		3416
3124	coroapi.schedule = api_schedule;	3417	coroapi.schedule = api_schedule;
…		…
3165	cede_notself (...)	3458	cede_notself (...)
3166	CODE:	3459	CODE:
3167	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3460	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3168		3461
3169	void	3462	void
3170	_cancel (Coro::State self)
3171	CODE:
3172	coro_state_destroy (aTHX_ self);
3173	coro_call_on_destroy (aTHX_ self);
3174
3175	void
3176	_set_current (SV *current)	3463	_set_current (SV *current)
3177	PROTOTYPE: $	3464	PROTOTYPE: $
3178	CODE:	3465	CODE:
3179	SvREFCNT_dec (SvRV (coro_current));	3466	SvREFCNT_dec (SvRV (coro_current));
3180	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3467	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3182	void	3469	void
3183	_set_readyhook (SV *hook)	3470	_set_readyhook (SV *hook)
3184	PROTOTYPE: $	3471	PROTOTYPE: $
3185	CODE:	3472	CODE:
3186	SvREFCNT_dec (coro_readyhook);	3473	SvREFCNT_dec (coro_readyhook);
		3474	SvGETMAGIC (hook);
3187	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3475	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3188		3476
3189	int	3477	int
3190	prio (Coro::State coro, int newprio = 0)	3478	prio (Coro::State coro, int newprio = 0)
3191	PROTOTYPE: $;$	3479	PROTOTYPE: $;$
…		…
3198	if (items > 1)	3486	if (items > 1)
3199	{	3487	{
3200	if (ix)	3488	if (ix)
3201	newprio = coro->prio - newprio;	3489	newprio = coro->prio - newprio;
3202		3490
3203	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3491	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3204	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3492	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3205		3493
3206	coro->prio = newprio;	3494	coro->prio = newprio;
3207	}	3495	}
3208	}	3496	}
3209	OUTPUT:	3497	OUTPUT:
…		…
3222	PROTOTYPE:	3510	PROTOTYPE:
3223	CODE:	3511	CODE:
3224	RETVAL = coro_nready;	3512	RETVAL = coro_nready;
3225	OUTPUT:	3513	OUTPUT:
3226	RETVAL	3514	RETVAL
		3515
		3516	void
		3517	suspend (Coro::State self)
		3518	PROTOTYPE: $
		3519	CODE:
		3520	self->flags \|= CF_SUSPENDED;
		3521
		3522	void
		3523	resume (Coro::State self)
		3524	PROTOTYPE: $
		3525	CODE:
		3526	self->flags &= ~CF_SUSPENDED;
3227		3527
3228	void	3528	void
3229	_pool_handler (...)	3529	_pool_handler (...)
3230	CODE:	3530	CODE:
3231	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3531	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3286	rouse_wait (...)	3586	rouse_wait (...)
3287	PROTOTYPE: ;$	3587	PROTOTYPE: ;$
3288	PPCODE:	3588	PPCODE:
3289	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3589	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3290		3590
		3591	void
		3592	on_enter (SV *block)
		3593	ALIAS:
		3594	on_leave = 1
		3595	PROTOTYPE: &
		3596	CODE:
		3597	{
		3598	struct coro *coro = SvSTATE_current;
		3599	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3600
		3601	block = (SV *)coro_sv_2cv (aTHX_ block);
		3602
		3603	if (!*avp)
		3604	*avp = newAV ();
		3605
		3606	av_push (*avp, SvREFCNT_inc (block));
		3607
		3608	if (!ix)
		3609	on_enterleave_call (aTHX_ block);
		3610
		3611	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3612	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3613	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3614	}
		3615
3291		3616
3292	MODULE = Coro::State PACKAGE = PerlIO::cede	3617	MODULE = Coro::State PACKAGE = PerlIO::cede
3293		3618
3294	BOOT:	3619	BOOT:
3295	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3620	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3298	MODULE = Coro::State PACKAGE = Coro::Semaphore	3623	MODULE = Coro::State PACKAGE = Coro::Semaphore
3299		3624
3300	SV *	3625	SV *
3301	new (SV klass, SV count = 0)	3626	new (SV klass, SV count = 0)
3302	CODE:	3627	CODE:
		3628	{
		3629	int semcnt = 1;
		3630
		3631	if (count)
		3632	{
		3633	SvGETMAGIC (count);
		3634
		3635	if (SvOK (count))
		3636	semcnt = SvIV (count);
		3637	}
		3638
3303	RETVAL = sv_bless (	3639	RETVAL = sv_bless (
3304	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3640	coro_waitarray_new (aTHX_ semcnt),
3305	GvSTASH (CvGV (cv))	3641	GvSTASH (CvGV (cv))
3306	);	3642	);
		3643	}
3307	OUTPUT:	3644	OUTPUT:
3308	RETVAL	3645	RETVAL
3309		3646
3310	# helper for Coro::Channel	3647	# helper for Coro::Channel and others
3311	SV *	3648	SV *
3312	_alloc (int count)	3649	_alloc (int count)
3313	CODE:	3650	CODE:
3314	RETVAL = coro_waitarray_new (aTHX_ count);	3651	RETVAL = coro_waitarray_new (aTHX_ count);
3315	OUTPUT:	3652	OUTPUT:
…		…
3373	for (i = 1; i <= wcount; ++i)	3710	for (i = 1; i <= wcount; ++i)
3374	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3711	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3375	}	3712	}
3376	}	3713	}
3377		3714
		3715	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3716
		3717	void
		3718	_may_delete (SV *sem, int count, int extra_refs)
		3719	PPCODE:
		3720	{
		3721	AV av = (AV )SvRV (sem);
		3722
		3723	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3724	&& AvFILLp (av) == 0 /* no waiters, just count */
		3725	&& SvIV (AvARRAY (av)[0]) == count)
		3726	XSRETURN_YES;
		3727
		3728	XSRETURN_NO;
		3729	}
		3730
3378	MODULE = Coro::State PACKAGE = Coro::Signal	3731	MODULE = Coro::State PACKAGE = Coro::Signal
3379		3732
3380	SV *	3733	SV *
3381	new (SV *klass)	3734	new (SV *klass)
3382	CODE:	3735	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs. Revision 1.362 by root, Wed Jul 1 07:58:45 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs.
Revision 1.362 by root, Wed Jul 1 07:58:45 2009 UTC