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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.327 by root, Mon Nov 24 06:07:16 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
…		…
195	static CV *cv_coro_state_new;	206	static CV *cv_coro_state_new;
196		207
197	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
198	static SV *sv_activity;	209	static SV *sv_activity;
199		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
200	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
202		219
203	enum {	220	enum {
204	CC_MAPPED = 0x01,	221	CC_MAPPED = 0x01,
…		…
238	enum {	255	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
242	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 */
243	};	261	};
244		262
245	/* 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 */
246	typedef struct	264	typedef struct
247	{	265	{
…		…
260	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
261	struct coro {	279	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	281	coro_cctx *cctx;
264		282
		283	/* ready queue */
		284	struct coro *next_ready;
		285
265	/* state data */	286	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	288	AV *mainstack;
268	perl_slots slot; / basically the saved sp */	289	perl_slots slot; / basically the saved sp */
269		290
…		…
285	/* async_pool */	306	/* async_pool */
286	SV *saved_deffh;	307	SV *saved_deffh;
287	SV *invoke_cb;	308	SV *invoke_cb;
288	AV *invoke_av;	309	AV *invoke_av;
289		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
290	/* linked list */	318	/* linked list */
291	struct coro next, prev;	319	struct coro next, prev;
292	};	320	};
293		321
294	typedef struct coro *Coro__State;	322	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
301		329
302	/ Coro ******************************************************************/	330	/ Coro ******************************************************************/
303		331
304	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
310		338
311	/* for Coro.pm */	339	/* for Coro.pm */
312	static SV *coro_current;	340	static SV *coro_current;
313	static SV *coro_readyhook;	341	static SV *coro_readyhook;
314	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 */
315	static CV cv_coro_run, cv_coro_terminate;	343	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	344	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
318		346
319	/ lowlevel stuff ********************************************************/	347	/ lowlevel stuff ********************************************************/
…		…
352	INLINE CV *	380	INLINE CV *
353	coro_sv_2cv (pTHX_ SV *sv)	381	coro_sv_2cv (pTHX_ SV *sv)
354	{	382	{
355	HV *st;	383	HV *st;
356	GV *gvp;	384	GV *gvp;
357	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;
358	}	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 */
359		491
360	static AV *	492	static AV *
361	coro_derive_padlist (pTHX_ CV *cv)	493	coro_derive_padlist (pTHX_ CV *cv)
362	{	494	{
363	AV *padlist = CvPADLIST (cv);	495	AV *padlist = CvPADLIST (cv);
…		…
371	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	503	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
372	#endif	504	#endif
373	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	505	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
374	--AvFILLp (padlist);	506	--AvFILLp (padlist);
375		507
376	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	508	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
377	av_store (newpadlist, 1, (SV *)newpad);	509	av_store (newpadlist, 1, (SV *)newpad);
378		510
379	return newpadlist;	511	return newpadlist;
380	}	512	}
381		513
382	static void	514	static void
383	free_padlist (pTHX_ AV *padlist)	515	free_padlist (pTHX_ AV *padlist)
384	{	516	{
385	/* may be during global destruction */	517	/* may be during global destruction */
386	if (SvREFCNT (padlist))	518	if (!IN_DESTRUCT)
387	{	519	{
388	I32 i = AvFILLp (padlist);	520	I32 i = AvFILLp (padlist);
389	while (i >= 0)	521
		522	while (i > 0) /* special-case index 0 */
390	{	523	{
391	SV **svp = av_fetch (padlist, i--, FALSE);	524	/* we try to be extra-careful here */
392	if (svp)	525	AV av = (AV )AvARRAY (padlist)[i--];
393	{	526	I32 j = AvFILLp (av);
394	SV *sv;	527
395	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	528	while (j >= 0)
		529	SvREFCNT_dec (AvARRAY (av)[j--]);
		530
		531	AvFILLp (av) = -1;
396	SvREFCNT_dec (sv);	532	SvREFCNT_dec (av);
397
398	SvREFCNT_dec (*svp);
399	}
400	}	533	}
401		534
		535	SvREFCNT_dec (AvARRAY (padlist)[0]);
		536
		537	AvFILLp (padlist) = -1;
402	SvREFCNT_dec ((SV*)padlist);	538	SvREFCNT_dec ((SV*)padlist);
403	}	539	}
404	}	540	}
405		541
406	static int	542	static int
407	coro_cv_free (pTHX_ SV sv, MAGIC mg)	543	coro_cv_free (pTHX_ SV sv, MAGIC mg)
408	{	544	{
409	AV *padlist;	545	AV *padlist;
410	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;
411		551
412	/* casting is fun. */	552	/* casting is fun. */
413	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	553	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
414	free_padlist (aTHX_ padlist);	554	free_padlist (aTHX_ padlist);
415		555
416	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	556	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
417		557
418	return 0;	558	return 0;
419	}	559	}
420
421	#define CORO_MAGIC_type_cv 26
422	#define CORO_MAGIC_type_state PERL_MAGIC_ext
423		560
424	static MGVTBL coro_cv_vtbl = {	561	static MGVTBL coro_cv_vtbl = {
425	0, 0, 0, 0,	562	0, 0, 0, 0,
426	coro_cv_free	563	coro_cv_free
427	};	564	};
428
429	#define CORO_MAGIC_NN(sv, type) \
430	(expect_true (SvMAGIC (sv)->mg_type == type) \
431	? SvMAGIC (sv) \
432	: mg_find (sv, type))
433
434	#define CORO_MAGIC(sv, type) \
435	(expect_true (SvMAGIC (sv)) \
436	? CORO_MAGIC_NN (sv, type) \
437	: 0)
438
439	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
440	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
441
442	INLINE struct coro *
443	SvSTATE_ (pTHX_ SV *coro)
444	{
445	HV *stash;
446	MAGIC *mg;
447
448	if (SvROK (coro))
449	coro = SvRV (coro);
450
451	if (expect_false (SvTYPE (coro) != SVt_PVHV))
452	croak ("Coro::State object required");
453
454	stash = SvSTASH (coro);
455	if (expect_false (stash != coro_stash && stash != coro_state_stash))
456	{
457	/* very slow, but rare, check */
458	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
459	croak ("Coro::State object required");
460	}
461
462	mg = CORO_MAGIC_state (coro);
463	return (struct coro *)mg->mg_ptr;
464	}
465
466	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
467
468	/* faster than SvSTATE, but expects a coroutine hv */
469	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
470	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
471		565
472	/* the next two functions merely cache the padlists */	566	/* the next two functions merely cache the padlists */
473	static void	567	static void
474	get_padlist (pTHX_ CV *cv)	568	get_padlist (pTHX_ CV *cv)
475	{	569	{
…		…
503	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);
504		598
505	av = (AV *)mg->mg_obj;	599	av = (AV *)mg->mg_obj;
506		600
507	if (expect_false (AvFILLp (av) >= AvMAX (av)))	601	if (expect_false (AvFILLp (av) >= AvMAX (av)))
508	av_extend (av, AvMAX (av) + 1);	602	av_extend (av, AvFILLp (av) + 1);
509		603
510	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	604	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
511	}	605	}
512		606
513	/ load & save, init *****************************************************/	607	/ load & save, init *****************************************************/
		608
		609	static void
		610	on_enterleave_call (pTHX_ SV *cb);
514		611
515	static void	612	static void
516	load_perl (pTHX_ Coro__State c)	613	load_perl (pTHX_ Coro__State c)
517	{	614	{
518	perl_slots *slot = c->slot;	615	perl_slots *slot = c->slot;
…		…
546	PUTBACK;	643	PUTBACK;
547	}	644	}
548		645
549	slf_frame = c->slf_frame;	646	slf_frame = c->slf_frame;
550	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	}
551	}	664	}
552		665
553	static void	666	static void
554	save_perl (pTHX_ Coro__State c)	667	save_perl (pTHX_ Coro__State c)
555	{	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
556	c->except = CORO_THROW;	685	c->except = CORO_THROW;
557	c->slf_frame = slf_frame;	686	c->slf_frame = slf_frame;
558		687
559	{	688	{
560	dSP;	689	dSP;
…		…
573	{	702	{
574	while (expect_true (cxix >= 0))	703	while (expect_true (cxix >= 0))
575	{	704	{
576	PERL_CONTEXT *cx = &ccstk[cxix--];	705	PERL_CONTEXT *cx = &ccstk[cxix--];
577		706
578	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))
579	{	708	{
580	CV *cv = cx->blk_sub.cv;	709	CV *cv = cx->blk_sub.cv;
581		710
582	if (expect_true (CvDEPTH (cv)))	711	if (expect_true (CvDEPTH (cv)))
583	{	712	{
…		…
607	/* we manually unroll here, as usually 2 slots is enough */	736	/* we manually unroll here, as usually 2 slots is enough */
608	if (SLOT_COUNT >= 1) CXINC;	737	if (SLOT_COUNT >= 1) CXINC;
609	if (SLOT_COUNT >= 2) CXINC;	738	if (SLOT_COUNT >= 2) CXINC;
610	if (SLOT_COUNT >= 3) CXINC;	739	if (SLOT_COUNT >= 3) CXINC;
611	{	740	{
612	int i;	741	unsigned int i;
613	for (i = 3; i < SLOT_COUNT; ++i)	742	for (i = 3; i < SLOT_COUNT; ++i)
614	CXINC;	743	CXINC;
615	}	744	}
616	cxstack_ix -= SLOT_COUNT; /* undo allocation */	745	cxstack_ix -= SLOT_COUNT; /* undo allocation */
617		746
…		…
759	#endif	888	#endif
760		889
761	/*	890	/*
762	* This overrides the default magic get method of %SIG elements.	891	* This overrides the default magic get method of %SIG elements.
763	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	892	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
764	* and instead of tryign to save and restore the hash elements, we just provide	893	* and instead of trying to save and restore the hash elements, we just provide
765	* readback here.	894	* readback here.
766	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
767	* not expecting this to actually change the hook. This is a potential problem
768	* when a schedule happens then, but we ignore this.
769	*/	895	*/
770	static int	896	static int
771	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	897	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
772	{	898	{
773	const char *s = MgPV_nolen_const (mg);	899	const char *s = MgPV_nolen_const (mg);
…		…
826	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	952	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
827		953
828	if (svp)	954	if (svp)
829	{	955	{
830	SV old = svp;	956	SV old = svp;
831	*svp = newSVsv (sv);	957	*svp = SvOK (sv) ? newSVsv (sv) : 0;
832	SvREFCNT_dec (old);	958	SvREFCNT_dec (old);
833	return 0;	959	return 0;
834	}	960	}
835	}	961	}
836		962
…		…
925		1051
926	PL_op = (OP *)&coro_setup_op;	1052	PL_op = (OP *)&coro_setup_op;
927		1053
928	/* copy throw, in case it was set before coro_setup */	1054	/* copy throw, in case it was set before coro_setup */
929	CORO_THROW = coro->except;	1055	CORO_THROW = coro->except;
930	}
931		1056
		1057	if (expect_false (enable_times))
		1058	{
		1059	coro_times_update ();
		1060	coro_times_sub (coro);
		1061	}
		1062	}
		1063
932	static void	1064	static void
933	coro_destruct (pTHX_ struct coro *coro)	1065	coro_unwind_stacks (pTHX)
934	{	1066	{
935	if (!IN_DESTRUCT)	1067	if (!IN_DESTRUCT)
936	{	1068	{
937	/* restore all saved variables and stuff */	1069	/* restore all saved variables and stuff */
938	LEAVE_SCOPE (0);	1070	LEAVE_SCOPE (0);
…		…
946	POPSTACK_TO (PL_mainstack);	1078	POPSTACK_TO (PL_mainstack);
947		1079
948	/* unwind main stack */	1080	/* unwind main stack */
949	dounwind (-1);	1081	dounwind (-1);
950	}	1082	}
		1083	}
951		1084
952	SvREFCNT_dec (GvSV (PL_defgv));	1085	static void
953	SvREFCNT_dec (GvAV (PL_defgv));	1086	coro_destruct_perl (pTHX_ struct coro *coro)
954	SvREFCNT_dec (GvSV (PL_errgv));	1087	{
955	SvREFCNT_dec (PL_defoutgv);	1088	SV *svf [9];
956	SvREFCNT_dec (PL_rs);
957	SvREFCNT_dec (GvSV (irsgv));
958	SvREFCNT_dec (GvHV (PL_hintgv));
959		1089
960	SvREFCNT_dec (PL_diehook);
961	SvREFCNT_dec (PL_warnhook);
962		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
963	SvREFCNT_dec (coro->saved_deffh);	1122	SvREFCNT_dec (coro->saved_deffh);
964	SvREFCNT_dec (coro->rouse_cb);	1123	SvREFCNT_dec (coro->rouse_cb);
965	SvREFCNT_dec (coro->invoke_cb);	1124	SvREFCNT_dec (coro->invoke_cb);
966	SvREFCNT_dec (coro->invoke_av);	1125	SvREFCNT_dec (coro->invoke_av);
967		1126	}
968	coro_destruct_stacks (aTHX);
969	}	1127	}
970		1128
971	INLINE void	1129	INLINE void
972	free_coro_mortal (pTHX)	1130	free_coro_mortal (pTHX)
973	{	1131	{
…		…
1178	/*	1336	/*
1179	* 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
1180	* 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)
1181	* 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
1182	* bootstrap-time "top" top_env, as we cannot restore the "main"	1340	* bootstrap-time "top" top_env, as we cannot restore the "main"
1183	* 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.
1184	*/	1344	*/
1185	PL_top_env = main_top_env;	1345	PL_top_env = main_top_env;
1186	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 */
1187	}	1347	}
1188	}	1348	}
…		…
1265	cctx_destroy (coro_cctx *cctx)	1425	cctx_destroy (coro_cctx *cctx)
1266	{	1426	{
1267	if (!cctx)	1427	if (!cctx)
1268	return;	1428	return;
1269		1429
1270	assert (cctx != cctx_current);//D temporary	1430	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1271		1431
1272	--cctx_count;	1432	--cctx_count;
1273	coro_destroy (&cctx->cctx);	1433	coro_destroy (&cctx->cctx);
1274		1434
1275	/* coro_transfer creates new, empty cctx's */	1435	/* coro_transfer creates new, empty cctx's */
…		…
1339	/* TODO: throwing up here is considered harmful */	1499	/* TODO: throwing up here is considered harmful */
1340		1500
1341	if (expect_true (prev != next))	1501	if (expect_true (prev != next))
1342	{	1502	{
1343	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1503	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1344	croak ("Coro::State::transfer called with a suspended 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,");
1345		1505
1346	if (expect_false (next->flags & CF_RUNNING))
1347	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1348
1349	if (expect_false (next->flags & CF_DESTROYED))	1506	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1350	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,");
1351		1508
1352	#if !PERL_VERSION_ATLEAST (5,10,0)	1509	#if !PERL_VERSION_ATLEAST (5,10,0)
1353	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1510	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1354	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,");
1355	#endif	1512	#endif
…		…
1393	coro_setup (aTHX_ next);	1550	coro_setup (aTHX_ next);
1394	}	1551	}
1395	else	1552	else
1396	load_perl (aTHX_ next);	1553	load_perl (aTHX_ next);
1397		1554
1398	assert (!prev->cctx);//D temporary
1399
1400	/* possibly untie and reuse the cctx */	1555	/* possibly untie and reuse the cctx */
1401	if (expect_true (	1556	if (expect_true (
1402	cctx_current->idle_sp == STACKLEVEL	1557	cctx_current->idle_sp == STACKLEVEL
1403	&& !(cctx_current->flags & CC_TRACE)	1558	&& !(cctx_current->flags & CC_TRACE)
1404	&& !force_cctx	1559	&& !force_cctx
…		…
1445	coro_state_destroy (pTHX_ struct coro *coro)	1600	coro_state_destroy (pTHX_ struct coro *coro)
1446	{	1601	{
1447	if (coro->flags & CF_DESTROYED)	1602	if (coro->flags & CF_DESTROYED)
1448	return 0;	1603	return 0;
1449		1604
1450	if (coro->on_destroy)	1605	if (coro->on_destroy && !PL_dirty)
1451	coro->on_destroy (aTHX_ coro);	1606	coro->on_destroy (aTHX_ coro);
1452		1607
1453	coro->flags \|= CF_DESTROYED;	1608	coro->flags \|= CF_DESTROYED;
1454		1609
1455	if (coro->flags & CF_READY)	1610	if (coro->flags & CF_READY)
…		…
1459	--coro_nready;	1614	--coro_nready;
1460	}	1615	}
1461	else	1616	else
1462	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 */
1463		1618
1464	if (coro->mainstack && coro->mainstack != main_mainstack)	1619	if (coro->mainstack
1465	{	1620	&& coro->mainstack != main_mainstack
1466	struct coro temp;	1621	&& coro->slot
1467		1622	&& !PL_dirty)
1468	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1469
1470	save_perl (aTHX_ &temp);
1471	load_perl (aTHX_ coro);
1472
1473	coro_destruct (aTHX_ coro);	1623	coro_destruct_perl (aTHX_ coro);
1474
1475	load_perl (aTHX_ &temp);
1476
1477	coro->slot = 0;
1478	}
1479		1624
1480	cctx_destroy (coro->cctx);	1625	cctx_destroy (coro->cctx);
1481	SvREFCNT_dec (coro->startcv);	1626	SvREFCNT_dec (coro->startcv);
1482	SvREFCNT_dec (coro->args);	1627	SvREFCNT_dec (coro->args);
1483	SvREFCNT_dec (CORO_THROW);	1628	SvREFCNT_dec (CORO_THROW);
…		…
1570	/ Coro ******************************************************************/	1715	/ Coro ******************************************************************/
1571		1716
1572	INLINE void	1717	INLINE void
1573	coro_enq (pTHX_ struct coro *coro)	1718	coro_enq (pTHX_ struct coro *coro)
1574	{	1719	{
1575	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1720	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1576	}
1577		1721
1578	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 *
1579	coro_deq (pTHX)	1730	coro_deq (pTHX)
1580	{	1731	{
1581	int prio;	1732	int prio;
1582		1733
1583	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1734	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1584	if (AvFILLp (coro_ready [prio]) >= 0)	1735	{
1585	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	}
1586		1745
1587	return 0;	1746	return 0;
1588	}	1747	}
1589		1748
1590	static int	1749	static int
…		…
1654	static void	1813	static void
1655	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1814	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1656	{	1815	{
1657	for (;;)	1816	for (;;)
1658	{	1817	{
1659	SV *next_sv = coro_deq (aTHX);	1818	struct coro *next = coro_deq (aTHX);
1660		1819
1661	if (expect_true (next_sv))	1820	if (expect_true (next))
1662	{	1821	{
1663	struct coro *next = SvSTATE_hv (next_sv);
1664
1665	/* cannot transfer to destroyed coros, skip and look for next */	1822	/* cannot transfer to destroyed coros, skip and look for next */
1666	if (expect_false (next->flags & CF_DESTROYED))	1823	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1667	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 */
1668	else	1825	else
1669	{	1826	{
1670	next->flags &= ~CF_READY;	1827	next->flags &= ~CF_READY;
1671	--coro_nready;	1828	--coro_nready;
1672		1829
…		…
1850	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 */
1851	api_ready (aTHX_ sv_manager);	2008	api_ready (aTHX_ sv_manager);
1852		2009
1853	frame->prepare = prepare_schedule;	2010	frame->prepare = prepare_schedule;
1854	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);/
1855	}	2016	}
1856		2017
1857	/*****************************************************************************/	2018	/*****************************************************************************/
1858	/* async pool handler */	2019	/* async pool handler */
1859		2020
…		…
1942	SV data = (SV )GENSUB_ARG;	2103	SV data = (SV )GENSUB_ARG;
1943		2104
1944	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1945	{	2106	{
1946	/* first call, set args */	2107	/* first call, set args */
		2108	SV *coro = SvRV (data);
1947	AV *av = newAV ();	2109	AV *av = newAV ();
1948	SV *coro = SvRV (data);
1949		2110
1950	SvRV_set (data, (SV *)av);	2111	SvRV_set (data, (SV *)av);
1951	api_ready (aTHX_ coro);
1952	SvREFCNT_dec (coro);
1953		2112
1954	/* better take a full copy of the arguments */	2113	/* better take a full copy of the arguments */
1955	while (items--)	2114	while (items--)
1956	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);
1957	}	2119	}
1958		2120
1959	XSRETURN_EMPTY;	2121	XSRETURN_EMPTY;
1960	}	2122	}
1961		2123
…		…
1978		2140
1979	EXTEND (SP, AvFILLp (av) + 1);	2141	EXTEND (SP, AvFILLp (av) + 1);
1980	for (i = 0; i <= AvFILLp (av); ++i)	2142	for (i = 0; i <= AvFILLp (av); ++i)
1981	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2143	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1982		2144
1983	/* 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 */
1984	AvFILLp (av) = -1;	2146	AvFILLp (av) = -1;
1985	av_undef (av);	2147	av_undef (av);
1986		2148
1987	PUTBACK;	2149	PUTBACK;
1988	}	2150	}
…		…
2278		2440
2279	PL_op->op_ppaddr = pp_slf;	2441	PL_op->op_ppaddr = pp_slf;
2280	/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 */
2281		2443
2282	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));
2283	}	2492	}
2284		2493
2285	/*****************************************************************************/	2494	/*****************************************************************************/
2286	/* PerlIO::cede */	2495	/* PerlIO::cede */
2287		2496
…		…
2361	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2362		2571
2363	static SV *	2572	static SV *
2364	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2365	{	2574	{
2366	/* 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 */
2367	AV *av = newAV ();	2576	AV *av = newAV ();
2368	SV **ary;	2577	SV **ary;
2369		2578
2370	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2371	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
2372	AvALLOC (av) = ary;	2581	AvALLOC (av) = ary;
		2582	#if PERL_VERSION_ATLEAST (5,10,0)
2373	/AvARRAY (av) = ary;/	2583	AvARRAY (av) = ary;
		2584	#else
2374	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
2375	AvMAX (av) = 1;	2589	AvMAX (av) = 1;
2376	AvFILLp (av) = 0;	2590	AvFILLp (av) = 0;
2377	ary [0] = newSViv (count);	2591	ary [0] = newSViv (count);
2378		2592
2379	return newRV_noinc ((SV *)av);	2593	return newRV_noinc ((SV *)av);
…		…
2510	{	2724	{
2511	/* callback form */	2725	/* callback form */
2512	AV av = (AV )SvRV (arg [0]);	2726	AV av = (AV )SvRV (arg [0]);
2513	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2514		2728
2515	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2516		2730
2517	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2518	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2519		2733
2520	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2544	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2545	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2546		2760
2547	cb = av_shift (av);	2761	cb = av_shift (av);
2548		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	{
2549	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2550	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2551	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2552		2778
2553	--count;	2779	--count;
2554	}	2780	}
2555	}	2781	}
…		…
2564	static void	2790	static void
2565	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)
2566	{	2792	{
2567	AV av = (AV )SvRV (arg [0]);	2793	AV av = (AV )SvRV (arg [0]);
2568		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
2569	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]))
2570	{	2807	{
2571	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2572	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2573	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2574	}	2811	}
2575	else	2812	else
2576	{	2813	{
2577	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2814	SV waiter = newSVsv (coro_current); / owned by signal av */
2578		2815
2579	av_push (av, waiter);	2816	av_push (av, waiter);
2580		2817
2581	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 */
2582	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2821		3058
2822	if (!svp) croak ("Time::HiRes is required");	3059	if (!svp) croak ("Time::HiRes is required");
2823	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3060	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2824		3061
2825	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));
2826	}	3066	}
2827		3067
2828	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3068	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2829	}	3069	}
2830		3070
2831	SV *	3071	SV *
2832	new (char *klass, ...)	3072	new (char *klass, ...)
2833	ALIAS:	3073	ALIAS:
…		…
2908	SV *	3148	SV *
2909	clone (Coro::State coro)	3149	clone (Coro::State coro)
2910	CODE:	3150	CODE:
2911	{	3151	{
2912	#if CORO_CLONE	3152	#if CORO_CLONE
2913	struct coro *ncoro = coro_clone (coro);	3153	struct coro *ncoro = coro_clone (aTHX_ coro);
2914	MAGIC *mg;	3154	MAGIC *mg;
2915	/* TODO: too much duplication */	3155	/* TODO: too much duplication */
2916	ncoro->hv = newHV ();	3156	ncoro->hv = newHV ();
2917	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);
2918	mg->mg_flags \|= MGf_DUP;	3158	mg->mg_flags \|= MGf_DUP;
…		…
2980	eval = 1	3220	eval = 1
2981	CODE:	3221	CODE:
2982	{	3222	{
2983	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3223	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2984	{	3224	{
2985	struct coro temp;	3225	struct coro *current = SvSTATE_current;
2986		3226
2987	if (!(coro->flags & CF_RUNNING))	3227	if (current != coro)
2988	{	3228	{
2989	PUTBACK;	3229	PUTBACK;
2990	save_perl (aTHX_ &temp);	3230	save_perl (aTHX_ current);
2991	load_perl (aTHX_ coro);	3231	load_perl (aTHX_ coro);
		3232	SPAGAIN;
2992	}	3233	}
2993		3234
2994	{
2995	dSP;
2996	ENTER;
2997	SAVETMPS;
2998	PUTBACK;
2999	PUSHSTACK;	3235	PUSHSTACK;
		3236
3000	PUSHMARK (SP);	3237	PUSHMARK (SP);
		3238	PUTBACK;
3001		3239
3002	if (ix)	3240	if (ix)
3003	eval_sv (coderef, 0);	3241	eval_sv (coderef, 0);
3004	else	3242	else
3005	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3243	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3006		3244
3007	POPSTACK;	3245	POPSTACK;
3008	SPAGAIN;	3246	SPAGAIN;
3009	FREETMPS;
3010	LEAVE;
3011	PUTBACK;
3012	}
3013		3247
3014	if (!(coro->flags & CF_RUNNING))	3248	if (current != coro)
3015	{	3249	{
		3250	PUTBACK;
3016	save_perl (aTHX_ coro);	3251	save_perl (aTHX_ coro);
3017	load_perl (aTHX_ &temp);	3252	load_perl (aTHX_ current);
3018	SPAGAIN;	3253	SPAGAIN;
3019	}	3254	}
3020	}	3255	}
3021	}	3256	}
3022		3257
…		…
3026	ALIAS:	3261	ALIAS:
3027	is_ready = CF_READY	3262	is_ready = CF_READY
3028	is_running = CF_RUNNING	3263	is_running = CF_RUNNING
3029	is_new = CF_NEW	3264	is_new = CF_NEW
3030	is_destroyed = CF_DESTROYED	3265	is_destroyed = CF_DESTROYED
		3266	is_suspended = CF_SUSPENDED
3031	CODE:	3267	CODE:
3032	RETVAL = boolSV (coro->flags & ix);	3268	RETVAL = boolSV (coro->flags & ix);
3033	OUTPUT:	3269	OUTPUT:
3034	RETVAL	3270	RETVAL
3035		3271
…		…
3039	CODE:	3275	CODE:
3040	{	3276	{
3041	struct coro *current = SvSTATE_current;	3277	struct coro *current = SvSTATE_current;
3042	SV **throwp = self == current ? &CORO_THROW : &self->except;	3278	SV **throwp = self == current ? &CORO_THROW : &self->except;
3043	SvREFCNT_dec (*throwp);	3279	SvREFCNT_dec (*throwp);
		3280	SvGETMAGIC (throw);
3044	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3281	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3045	}	3282	}
3046		3283
3047	void	3284	void
3048	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3285	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3100	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3337	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3101		3338
3102	SV tmp = src; src = dst; *dst = tmp;	3339	SV tmp = src; src = dst; *dst = tmp;
3103	}	3340	}
3104		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	}
3105		3385
3106	MODULE = Coro::State PACKAGE = Coro	3386	MODULE = Coro::State PACKAGE = Coro
3107		3387
3108	BOOT:	3388	BOOT:
3109	{	3389	{
3110	int i;
3111
3112	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3390	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3113	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3391	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3114	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3392	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3115	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3393	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3116	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);
3117	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3395	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3118	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3396	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3119	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3397	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
…		…
3124	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);
3125	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);
3126		3404
3127	coro_stash = gv_stashpv ("Coro", TRUE);	3405	coro_stash = gv_stashpv ("Coro", TRUE);
3128		3406
3129	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3407	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3130	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3408	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3131	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3409	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3132	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3410	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3133	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3411	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3134	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3412	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3135
3136	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3137	coro_ready[i] = newAV ();
3138		3413
3139	{	3414	{
3140	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3415	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3141		3416
3142	coroapi.schedule = api_schedule;	3417	coroapi.schedule = api_schedule;
…		…
3183	cede_notself (...)	3458	cede_notself (...)
3184	CODE:	3459	CODE:
3185	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3460	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3186		3461
3187	void	3462	void
3188	_cancel (Coro::State self)
3189	CODE:
3190	coro_state_destroy (aTHX_ self);
3191	coro_call_on_destroy (aTHX_ self);
3192
3193	void
3194	_set_current (SV *current)	3463	_set_current (SV *current)
3195	PROTOTYPE: $	3464	PROTOTYPE: $
3196	CODE:	3465	CODE:
3197	SvREFCNT_dec (SvRV (coro_current));	3466	SvREFCNT_dec (SvRV (coro_current));
3198	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3467	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3200	void	3469	void
3201	_set_readyhook (SV *hook)	3470	_set_readyhook (SV *hook)
3202	PROTOTYPE: $	3471	PROTOTYPE: $
3203	CODE:	3472	CODE:
3204	SvREFCNT_dec (coro_readyhook);	3473	SvREFCNT_dec (coro_readyhook);
		3474	SvGETMAGIC (hook);
3205	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3475	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3206		3476
3207	int	3477	int
3208	prio (Coro::State coro, int newprio = 0)	3478	prio (Coro::State coro, int newprio = 0)
3209	PROTOTYPE: $;$	3479	PROTOTYPE: $;$
…		…
3216	if (items > 1)	3486	if (items > 1)
3217	{	3487	{
3218	if (ix)	3488	if (ix)
3219	newprio = coro->prio - newprio;	3489	newprio = coro->prio - newprio;
3220		3490
3221	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3491	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3222	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3492	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3223		3493
3224	coro->prio = newprio;	3494	coro->prio = newprio;
3225	}	3495	}
3226	}	3496	}
3227	OUTPUT:	3497	OUTPUT:
…		…
3240	PROTOTYPE:	3510	PROTOTYPE:
3241	CODE:	3511	CODE:
3242	RETVAL = coro_nready;	3512	RETVAL = coro_nready;
3243	OUTPUT:	3513	OUTPUT:
3244	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;
3245		3527
3246	void	3528	void
3247	_pool_handler (...)	3529	_pool_handler (...)
3248	CODE:	3530	CODE:
3249	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3531	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3304	rouse_wait (...)	3586	rouse_wait (...)
3305	PROTOTYPE: ;$	3587	PROTOTYPE: ;$
3306	PPCODE:	3588	PPCODE:
3307	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3589	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3308		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
3309		3616
3310	MODULE = Coro::State PACKAGE = PerlIO::cede	3617	MODULE = Coro::State PACKAGE = PerlIO::cede
3311		3618
3312	BOOT:	3619	BOOT:
3313	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3620	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3316	MODULE = Coro::State PACKAGE = Coro::Semaphore	3623	MODULE = Coro::State PACKAGE = Coro::Semaphore
3317		3624
3318	SV *	3625	SV *
3319	new (SV klass, SV count = 0)	3626	new (SV klass, SV count = 0)
3320	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
3321	RETVAL = sv_bless (	3639	RETVAL = sv_bless (
3322	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3640	coro_waitarray_new (aTHX_ semcnt),
3323	GvSTASH (CvGV (cv))	3641	GvSTASH (CvGV (cv))
3324	);	3642	);
		3643	}
3325	OUTPUT:	3644	OUTPUT:
3326	RETVAL	3645	RETVAL
3327		3646
3328	# helper for Coro::Channel	3647	# helper for Coro::Channel and others
3329	SV *	3648	SV *
3330	_alloc (int count)	3649	_alloc (int count)
3331	CODE:	3650	CODE:
3332	RETVAL = coro_waitarray_new (aTHX_ count);	3651	RETVAL = coro_waitarray_new (aTHX_ count);
3333	OUTPUT:	3652	OUTPUT:
…		…
3391	for (i = 1; i <= wcount; ++i)	3710	for (i = 1; i <= wcount; ++i)
3392	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3711	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3393	}	3712	}
3394	}	3713	}
3395		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
3396	MODULE = Coro::State PACKAGE = Coro::Signal	3731	MODULE = Coro::State PACKAGE = Coro::Signal
3397		3732
3398	SV *	3733	SV *
3399	new (SV *klass)	3734	new (SV *klass)
3400	CODE:	3735	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.327 by root, Mon Nov 24 06:07:16 2008 UTC vs. Revision 1.362 by root, Wed Jul 1 07:58:45 2009 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.327 by root, Mon Nov 24 06:07:16 2008 UTC vs.
Revision 1.362 by root, Wed Jul 1 07:58:45 2009 UTC