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/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 1.363 by root, Tue Jul 14 00:55:10 2009 UTC

…		…
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
9	#include "perliol.h"	9	#include "perliol.h"
10		10
11	#include "patchlevel.h"	11	#include "schmorp.h"
12		12
13	#include <stdio.h>	13	#include <stdio.h>
14	#include <errno.h>	14	#include <errno.h>
15	#include <assert.h>	15	#include <assert.h>
16		16
…		…
51	#endif	51	#endif
52		52
53	/* the maximum number of idle cctx that will be pooled */	53	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	54	static int cctx_max_idle = 4;
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr
65	# endif
66	# ifndef call_sv
67	# define call_sv perl_call_sv
68	# endif
69	# ifndef get_sv
70	# define get_sv perl_get_sv
71	# endif
72	# ifndef get_cv
73	# define get_cv perl_get_cv
74	# endif
75	# ifndef IS_PADGV
76	# define IS_PADGV(v) 0
77	# endif
78	# ifndef IS_PADCONST
79	# define IS_PADCONST(v) 0
80	# endif
81	#endif
82
83	/* 5.11 */
84	#ifndef CxHASARGS
85	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86	#endif
87
88	/* 5.10.0 */
89	#ifndef SvREFCNT_inc_NN
90	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91	#endif
92
93	/* 5.8.8 */
94	#ifndef GV_NOTQUAL
95	# define GV_NOTQUAL 0
96	#endif
97	#ifndef newSV
98	# define newSV(l) NEWSV(0,l)
99	#endif
100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv
102	#endif
103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif
106	#ifndef Newx
107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108	#endif
109
110	/* 5.8.7 */
111	#ifndef SvRV_set
112	# define SvRV_set(s,v) SvRV(s) = (v)
113	#endif
114
115	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	56	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	57	# undef CORO_STACKGUARD
117	#endif	58	#endif
118		59
119	#ifndef CORO_STACKGUARD	60	#ifndef CORO_STACKGUARD
…		…
133	#else	74	#else
134	# define dSTACKLEVEL volatile void *stacklevel	75	# define dSTACKLEVEL volatile void *stacklevel
135	# define STACKLEVEL ((void *)&stacklevel)	76	# define STACKLEVEL ((void *)&stacklevel)
136	#endif	77	#endif
137		78
138	#define IN_DESTRUCT (PL_main_cv == Nullcv)	79	#define IN_DESTRUCT PL_dirty
139		80
140	#if __GNUC__ >= 3	81	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	82	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	83	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	84	# define INLINE static inline
144	#else	85	#else
145	# define attribute(x)	86	# define attribute(x)
146	# define expect(expr,value) (expr)	87	# define expect(expr,value) (expr)
147	# define INLINE static	88	# define INLINE static
…		…
159	# if CORO_PTHREAD	100	# if CORO_PTHREAD
160	static void *coro_thx;	101	static void *coro_thx;
161	# endif	102	# endif
162	#endif	103	#endif
163		104
		105	#ifdef __linux
		106	# include <time.h> /* for timespec */
		107	# include <syscall.h> /* for SYS_* */
		108	# ifdef SYS_clock_gettime
		109	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		110	# define CORO_CLOCK_MONOTONIC 1
		111	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		112	# endif
		113	#endif
		114
164	static double (*nvtime)(); /* so why doesn't it take void? */	115	static double (*nvtime)(); /* so why doesn't it take void? */
		116	static void (*u2time)(pTHX_ UV ret[2]);
165		117
166	/* we hijack an hopefully unused CV flag for our purposes */	118	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	119	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	120	static OP *pp_slf (pTHX);
169		121
…		…
195	static CV *cv_coro_state_new;	147	static CV *cv_coro_state_new;
196		148
197	/* Coro::AnyEvent */	149	/* Coro::AnyEvent */
198	static SV *sv_activity;	150	static SV *sv_activity;
199		151
		152	/* enable processtime/realtime profiling */
		153	static char enable_times;
		154	typedef U32 coro_ts[2];
		155	static coro_ts time_real, time_cpu;
		156	static char times_valid;
		157
200	static struct coro_cctx *cctx_first;	158	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	159	static int cctx_count, cctx_idle;
202		160
203	enum {	161	enum {
204	CC_MAPPED = 0x01,	162	CC_MAPPED = 0x01,
…		…
238	enum {	196	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	197	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	198	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	199	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	200	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		201	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	202	};
244		203
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	204	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	205	typedef struct
247	{	206	{
…		…
260	/* this is a structure representing a perl-level coroutine */	219	/* this is a structure representing a perl-level coroutine */
261	struct coro {	220	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	221	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	222	coro_cctx *cctx;
264		223
		224	/* ready queue */
		225	struct coro *next_ready;
		226
265	/* state data */	227	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	228	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	229	AV *mainstack;
268	perl_slots *slot; /* basically the saved sp */	230	perl_slots *slot; /* basically the saved sp */
269		231
…		…
285	/* async_pool */	247	/* async_pool */
286	SV *saved_deffh;	248	SV *saved_deffh;
287	SV *invoke_cb;	249	SV *invoke_cb;
288	AV *invoke_av;	250	AV *invoke_av;
289		251
		252	/* on_enter/on_leave */
		253	AV *on_enter;
		254	AV *on_leave;
		255
		256	/* times */
		257	coro_ts t_cpu, t_real;
		258
290	/* linked list */	259	/* linked list */
291	struct coro *next, *prev;	260	struct coro *next, *prev;
292	};	261	};
293		262
294	typedef struct coro *Coro__State;	263	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	268	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	269	static struct CoroSLF slf_frame; /* the current slf frame */
301		270
302	/** Coro ********************************************************************/	271	/** Coro ********************************************************************/
303		272
304	#define PRIO_MAX 3	273	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	274	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	275	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	276	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	277	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	278	#define CORO_PRIO_MIN -4
310		279
311	/* for Coro.pm */	280	/* for Coro.pm */
312	static SV *coro_current;	281	static SV *coro_current;
313	static SV *coro_readyhook;	282	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	283	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
315	static CV *cv_coro_run, *cv_coro_terminate;	284	static CV *cv_coro_run, *cv_coro_terminate;
316	static struct coro *coro_first;	285	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	286	#define coro_nready coroapi.nready
318		287
319	/** lowlevel stuff **********************************************************/	288	/** lowlevel stuff **********************************************************/
…		…
346	get_hv (name, create);	315	get_hv (name, create);
347	#endif	316	#endif
348	return get_hv (name, create);	317	return get_hv (name, create);
349	}	318	}
350		319
351	/* may croak */	320	INLINE void
352	INLINE CV *	321	coro_times_update ()
353	coro_sv_2cv (pTHX_ SV *sv)
354	{	322	{
		323	#ifdef coro_clock_gettime
		324	struct timespec ts;
		325
		326	ts.tv_sec = ts.tv_nsec = 0;
		327	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		328	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		329
		330	ts.tv_sec = ts.tv_nsec = 0;
		331	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		332	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		333	#else
		334	dTHX;
		335	UV tv[2];
		336
		337	u2time (aTHX_ tv);
		338	time_real [0] = tv [0];
		339	time_real [1] = tv [1] * 1000;
		340	#endif
		341	}
		342
		343	INLINE void
		344	coro_times_add (struct coro *c)
		345	{
		346	c->t_real [1] += time_real [1];
		347	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		348	c->t_real [0] += time_real [0];
		349
		350	c->t_cpu [1] += time_cpu [1];
		351	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		352	c->t_cpu [0] += time_cpu [0];
		353	}
		354
		355	INLINE void
		356	coro_times_sub (struct coro *c)
		357	{
		358	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		359	c->t_real [1] -= time_real [1];
		360	c->t_real [0] -= time_real [0];
		361
		362	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		363	c->t_cpu [1] -= time_cpu [1];
		364	c->t_cpu [0] -= time_cpu [0];
		365	}
		366
		367	/*****************************************************************************/
		368	/* magic glue */
		369
		370	#define CORO_MAGIC_type_cv 26
		371	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		372
		373	#define CORO_MAGIC_NN(sv, type) \
		374	(expect_true (SvMAGIC (sv)->mg_type == type) \
		375	? SvMAGIC (sv) \
		376	: mg_find (sv, type))
		377
		378	#define CORO_MAGIC(sv, type) \
		379	(expect_true (SvMAGIC (sv)) \
		380	? CORO_MAGIC_NN (sv, type) \
		381	: 0)
		382
		383	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		384	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		385
		386	INLINE struct coro *
		387	SvSTATE_ (pTHX_ SV *coro)
		388	{
355	HV *st;	389	HV *stash;
356	GV *gvp;	390	MAGIC *mg;
357	return sv_2cv (sv, &st, &gvp, 0);	391
		392	if (SvROK (coro))
		393	coro = SvRV (coro);
		394
		395	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		396	croak ("Coro::State object required");
		397
		398	stash = SvSTASH (coro);
		399	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		400	{
		401	/* very slow, but rare, check */
		402	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		403	croak ("Coro::State object required");
		404	}
		405
		406	mg = CORO_MAGIC_state (coro);
		407	return (struct coro *)mg->mg_ptr;
358	}	408	}
		409
		410	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		411
		412	/* faster than SvSTATE, but expects a coroutine hv */
		413	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		414	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		415
		416	/*****************************************************************************/
		417	/* padlist management and caching */
359		418
360	static AV *	419	static AV *
361	coro_derive_padlist (pTHX_ CV *cv)	420	coro_derive_padlist (pTHX_ CV *cv)
362	{	421	{
363	AV *padlist = CvPADLIST (cv);	422	AV *padlist = CvPADLIST (cv);
…		…
371	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	430	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
372	#endif	431	#endif
373	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	432	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
374	--AvFILLp (padlist);	433	--AvFILLp (padlist);
375		434
376	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	435	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
377	av_store (newpadlist, 1, (SV *)newpad);	436	av_store (newpadlist, 1, (SV *)newpad);
378		437
379	return newpadlist;	438	return newpadlist;
380	}	439	}
381		440
382	static void	441	static void
383	free_padlist (pTHX_ AV *padlist)	442	free_padlist (pTHX_ AV *padlist)
384	{	443	{
385	/* may be during global destruction */	444	/* may be during global destruction */
386	if (SvREFCNT (padlist))	445	if (!IN_DESTRUCT)
387	{	446	{
388	I32 i = AvFILLp (padlist);	447	I32 i = AvFILLp (padlist);
389	while (i >= 0)	448
		449	while (i > 0) /* special-case index 0 */
390	{	450	{
391	SV **svp = av_fetch (padlist, i--, FALSE);	451	/* we try to be extra-careful here */
392	if (svp)	452	AV *av = (AV *)AvARRAY (padlist)[i--];
393	{	453	I32 j = AvFILLp (av);
394	SV *sv;	454
395	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	455	while (j >= 0)
		456	SvREFCNT_dec (AvARRAY (av)[j--]);
		457
		458	AvFILLp (av) = -1;
396	SvREFCNT_dec (sv);	459	SvREFCNT_dec (av);
397
398	SvREFCNT_dec (*svp);
399	}
400	}	460	}
401		461
		462	SvREFCNT_dec (AvARRAY (padlist)[0]);
		463
		464	AvFILLp (padlist) = -1;
402	SvREFCNT_dec ((SV*)padlist);	465	SvREFCNT_dec ((SV*)padlist);
403	}	466	}
404	}	467	}
405		468
406	static int	469	static int
407	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	470	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
408	{	471	{
409	AV *padlist;	472	AV *padlist;
410	AV *av = (AV *)mg->mg_obj;	473	AV *av = (AV *)mg->mg_obj;
		474
		475	/* perl manages to free our internal AV and _then_ call us */
		476	if (IN_DESTRUCT)
		477	return 0;
411		478
412	/* casting is fun. */	479	/* casting is fun. */
413	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	480	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
414	free_padlist (aTHX_ padlist);	481	free_padlist (aTHX_ padlist);
415		482
416	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	483	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
417		484
418	return 0;	485	return 0;
419	}	486	}
420
421	#define CORO_MAGIC_type_cv 26
422	#define CORO_MAGIC_type_state PERL_MAGIC_ext
423		487
424	static MGVTBL coro_cv_vtbl = {	488	static MGVTBL coro_cv_vtbl = {
425	0, 0, 0, 0,	489	0, 0, 0, 0,
426	coro_cv_free	490	coro_cv_free
427	};	491	};
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		492
472	/* the next two functions merely cache the padlists */	493	/* the next two functions merely cache the padlists */
473	static void	494	static void
474	get_padlist (pTHX_ CV *cv)	495	get_padlist (pTHX_ CV *cv)
475	{	496	{
…		…
503	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	524	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
504		525
505	av = (AV *)mg->mg_obj;	526	av = (AV *)mg->mg_obj;
506		527
507	if (expect_false (AvFILLp (av) >= AvMAX (av)))	528	if (expect_false (AvFILLp (av) >= AvMAX (av)))
508	av_extend (av, AvMAX (av) + 1);	529	av_extend (av, AvFILLp (av) + 1);
509		530
510	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	531	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
511	}	532	}
512		533
513	/** load & save, init *******************************************************/	534	/** load & save, init *******************************************************/
		535
		536	static void
		537	on_enterleave_call (pTHX_ SV *cb);
514		538
515	static void	539	static void
516	load_perl (pTHX_ Coro__State c)	540	load_perl (pTHX_ Coro__State c)
517	{	541	{
518	perl_slots *slot = c->slot;	542	perl_slots *slot = c->slot;
…		…
546	PUTBACK;	570	PUTBACK;
547	}	571	}
548		572
549	slf_frame = c->slf_frame;	573	slf_frame = c->slf_frame;
550	CORO_THROW = c->except;	574	CORO_THROW = c->except;
		575
		576	if (expect_false (enable_times))
		577	{
		578	if (expect_false (!times_valid))
		579	coro_times_update ();
		580
		581	coro_times_sub (c);
		582	}
		583
		584	if (expect_false (c->on_enter))
		585	{
		586	int i;
		587
		588	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		589	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		590	}
551	}	591	}
552		592
553	static void	593	static void
554	save_perl (pTHX_ Coro__State c)	594	save_perl (pTHX_ Coro__State c)
555	{	595	{
		596	if (expect_false (c->on_leave))
		597	{
		598	int i;
		599
		600	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		601	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		602	}
		603
		604	times_valid = 0;
		605
		606	if (expect_false (enable_times))
		607	{
		608	coro_times_update (); times_valid = 1;
		609	coro_times_add (c);
		610	}
		611
556	c->except = CORO_THROW;	612	c->except = CORO_THROW;
557	c->slf_frame = slf_frame;	613	c->slf_frame = slf_frame;
558		614
559	{	615	{
560	dSP;	616	dSP;
…		…
573	{	629	{
574	while (expect_true (cxix >= 0))	630	while (expect_true (cxix >= 0))
575	{	631	{
576	PERL_CONTEXT *cx = &ccstk[cxix--];	632	PERL_CONTEXT *cx = &ccstk[cxix--];
577		633
578	if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))	634	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
579	{	635	{
580	CV *cv = cx->blk_sub.cv;	636	CV *cv = cx->blk_sub.cv;
581		637
582	if (expect_true (CvDEPTH (cv)))	638	if (expect_true (CvDEPTH (cv)))
583	{	639	{
…		…
607	/* we manually unroll here, as usually 2 slots is enough */	663	/* we manually unroll here, as usually 2 slots is enough */
608	if (SLOT_COUNT >= 1) CXINC;	664	if (SLOT_COUNT >= 1) CXINC;
609	if (SLOT_COUNT >= 2) CXINC;	665	if (SLOT_COUNT >= 2) CXINC;
610	if (SLOT_COUNT >= 3) CXINC;	666	if (SLOT_COUNT >= 3) CXINC;
611	{	667	{
612	int i;	668	unsigned int i;
613	for (i = 3; i < SLOT_COUNT; ++i)	669	for (i = 3; i < SLOT_COUNT; ++i)
614	CXINC;	670	CXINC;
615	}	671	}
616	cxstack_ix -= SLOT_COUNT; /* undo allocation */	672	cxstack_ix -= SLOT_COUNT; /* undo allocation */
617		673
…		…
759	#endif	815	#endif
760		816
761	/*	817	/*
762	* This overrides the default magic get method of %SIG elements.	818	* 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	819	* 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	820	* and instead of trying to save and restore the hash elements, we just provide
765	* readback here.	821	* 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	*/	822	*/
770	static int	823	static int
771	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	824	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
772	{	825	{
773	const char *s = MgPV_nolen_const (mg);	826	const char *s = MgPV_nolen_const (mg);
…		…
826	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	879	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
827		880
828	if (svp)	881	if (svp)
829	{	882	{
830	SV *old = *svp;	883	SV *old = *svp;
831	*svp = newSVsv (sv);	884	*svp = SvOK (sv) ? newSVsv (sv) : 0;
832	SvREFCNT_dec (old);	885	SvREFCNT_dec (old);
833	return 0;	886	return 0;
834	}	887	}
835	}	888	}
836		889
…		…
925		978
926	PL_op = (OP *)&coro_setup_op;	979	PL_op = (OP *)&coro_setup_op;
927		980
928	/* copy throw, in case it was set before coro_setup */	981	/* copy throw, in case it was set before coro_setup */
929	CORO_THROW = coro->except;	982	CORO_THROW = coro->except;
930	}
931		983
		984	if (expect_false (enable_times))
		985	{
		986	coro_times_update ();
		987	coro_times_sub (coro);
		988	}
		989	}
		990
932	static void	991	static void
933	coro_destruct (pTHX_ struct coro *coro)	992	coro_unwind_stacks (pTHX)
934	{	993	{
935	if (!IN_DESTRUCT)	994	if (!IN_DESTRUCT)
936	{	995	{
937	/* restore all saved variables and stuff */	996	/* restore all saved variables and stuff */
938	LEAVE_SCOPE (0);	997	LEAVE_SCOPE (0);
…		…
946	POPSTACK_TO (PL_mainstack);	1005	POPSTACK_TO (PL_mainstack);
947		1006
948	/* unwind main stack */	1007	/* unwind main stack */
949	dounwind (-1);	1008	dounwind (-1);
950	}	1009	}
		1010	}
951		1011
952	SvREFCNT_dec (GvSV (PL_defgv));	1012	static void
953	SvREFCNT_dec (GvAV (PL_defgv));	1013	coro_destruct_perl (pTHX_ struct coro *coro)
954	SvREFCNT_dec (GvSV (PL_errgv));	1014	{
955	SvREFCNT_dec (PL_defoutgv);	1015	SV *svf [9];
956	SvREFCNT_dec (PL_rs);
957	SvREFCNT_dec (GvSV (irsgv));
958	SvREFCNT_dec (GvHV (PL_hintgv));
959		1016
960	SvREFCNT_dec (PL_diehook);
961	SvREFCNT_dec (PL_warnhook);
962		1017	{
		1018	struct coro *current = SvSTATE_current;
		1019
		1020	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1021
		1022	save_perl (aTHX_ current);
		1023	load_perl (aTHX_ coro);
		1024
		1025	coro_unwind_stacks (aTHX);
		1026	coro_destruct_stacks (aTHX);
		1027
		1028	// now save some sv's to be free'd later
		1029	svf [0] = GvSV (PL_defgv);
		1030	svf [1] = (SV *)GvAV (PL_defgv);
		1031	svf [2] = GvSV (PL_errgv);
		1032	svf [3] = (SV *)PL_defoutgv;
		1033	svf [4] = PL_rs;
		1034	svf [5] = GvSV (irsgv);
		1035	svf [6] = (SV *)GvHV (PL_hintgv);
		1036	svf [7] = PL_diehook;
		1037	svf [8] = PL_warnhook;
		1038	assert (9 == sizeof (svf) / sizeof (*svf));
		1039
		1040	load_perl (aTHX_ current);
		1041	}
		1042
		1043	{
		1044	unsigned int i;
		1045
		1046	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1047	SvREFCNT_dec (svf [i]);
		1048
963	SvREFCNT_dec (coro->saved_deffh);	1049	SvREFCNT_dec (coro->saved_deffh);
964	SvREFCNT_dec (coro->rouse_cb);	1050	SvREFCNT_dec (coro->rouse_cb);
965	SvREFCNT_dec (coro->invoke_cb);	1051	SvREFCNT_dec (coro->invoke_cb);
966	SvREFCNT_dec (coro->invoke_av);	1052	SvREFCNT_dec (coro->invoke_av);
967		1053	}
968	coro_destruct_stacks (aTHX);
969	}	1054	}
970		1055
971	INLINE void	1056	INLINE void
972	free_coro_mortal (pTHX)	1057	free_coro_mortal (pTHX)
973	{	1058	{
…		…
1178	/*	1263	/*
1179	* If perl-run returns we assume exit() was being called or the coro	1264	* 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)	1265	* 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	1266	* 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"	1267	* bootstrap-time "top" top_env, as we cannot restore the "main"
1183	* coroutine as Coro has no such concept	1268	* coroutine as Coro has no such concept.
		1269	* This actually isn't valid with the pthread backend, but OSes requiring
		1270	* that backend are too broken to do it in a standards-compliant way.
1184	*/	1271	*/
1185	PL_top_env = main_top_env;	1272	PL_top_env = main_top_env;
1186	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1273	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1187	}	1274	}
1188	}	1275	}
…		…
1265	cctx_destroy (coro_cctx *cctx)	1352	cctx_destroy (coro_cctx *cctx)
1266	{	1353	{
1267	if (!cctx)	1354	if (!cctx)
1268	return;	1355	return;
1269		1356
1270	assert (cctx != cctx_current);//D temporary	1357	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1271		1358
1272	--cctx_count;	1359	--cctx_count;
1273	coro_destroy (&cctx->cctx);	1360	coro_destroy (&cctx->cctx);
1274		1361
1275	/* coro_transfer creates new, empty cctx's */	1362	/* coro_transfer creates new, empty cctx's */
…		…
1339	/* TODO: throwing up here is considered harmful */	1426	/* TODO: throwing up here is considered harmful */
1340		1427
1341	if (expect_true (prev != next))	1428	if (expect_true (prev != next))
1342	{	1429	{
1343	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1430	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,");	1431	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1345		1432
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))	1433	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,");	1434	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1351		1435
1352	#if !PERL_VERSION_ATLEAST (5,10,0)	1436	#if !PERL_VERSION_ATLEAST (5,10,0)
1353	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1437	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,");	1438	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1355	#endif	1439	#endif
…		…
1393	coro_setup (aTHX_ next);	1477	coro_setup (aTHX_ next);
1394	}	1478	}
1395	else	1479	else
1396	load_perl (aTHX_ next);	1480	load_perl (aTHX_ next);
1397		1481
1398	assert (!prev->cctx);//D temporary
1399
1400	/* possibly untie and reuse the cctx */	1482	/* possibly untie and reuse the cctx */
1401	if (expect_true (	1483	if (expect_true (
1402	cctx_current->idle_sp == STACKLEVEL	1484	cctx_current->idle_sp == STACKLEVEL
1403	&& !(cctx_current->flags & CC_TRACE)	1485	&& !(cctx_current->flags & CC_TRACE)
1404	&& !force_cctx	1486	&& !force_cctx
…		…
1445	coro_state_destroy (pTHX_ struct coro *coro)	1527	coro_state_destroy (pTHX_ struct coro *coro)
1446	{	1528	{
1447	if (coro->flags & CF_DESTROYED)	1529	if (coro->flags & CF_DESTROYED)
1448	return 0;	1530	return 0;
1449		1531
1450	if (coro->on_destroy)	1532	if (coro->on_destroy && !PL_dirty)
1451	coro->on_destroy (aTHX_ coro);	1533	coro->on_destroy (aTHX_ coro);
1452		1534
1453	coro->flags |= CF_DESTROYED;	1535	coro->flags |= CF_DESTROYED;
1454		1536
1455	if (coro->flags & CF_READY)	1537	if (coro->flags & CF_READY)
…		…
1459	--coro_nready;	1541	--coro_nready;
1460	}	1542	}
1461	else	1543	else
1462	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1544	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1463		1545
1464	if (coro->mainstack && coro->mainstack != main_mainstack)	1546	if (coro->mainstack
1465	{	1547	&& coro->mainstack != main_mainstack
1466	struct coro temp;	1548	&& coro->slot
1467		1549	&& !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);	1550	coro_destruct_perl (aTHX_ coro);
1474
1475	load_perl (aTHX_ &temp);
1476
1477	coro->slot = 0;
1478	}
1479		1551
1480	cctx_destroy (coro->cctx);	1552	cctx_destroy (coro->cctx);
1481	SvREFCNT_dec (coro->startcv);	1553	SvREFCNT_dec (coro->startcv);
1482	SvREFCNT_dec (coro->args);	1554	SvREFCNT_dec (coro->args);
1483	SvREFCNT_dec (CORO_THROW);	1555	SvREFCNT_dec (CORO_THROW);
…		…
1542		1614
1543	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1615	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1544	TRANSFER (ta, 1);	1616	TRANSFER (ta, 1);
1545	}	1617	}
1546		1618
1547	/*****************************************************************************/
1548	/* gensub: simple closure generation utility */
1549
1550	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1551
1552	/* create a closure from XS, returns a code reference */
1553	/* the arg can be accessed via GENSUB_ARG from the callback */
1554	/* the callback must use dXSARGS/XSRETURN */
1555	static SV *
1556	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1557	{
1558	CV *cv = (CV *)newSV (0);
1559
1560	sv_upgrade ((SV *)cv, SVt_PVCV);
1561
1562	CvANON_on (cv);
1563	CvISXSUB_on (cv);
1564	CvXSUB (cv) = xsub;
1565	GENSUB_ARG = arg;
1566
1567	return newRV_noinc ((SV *)cv);
1568	}
1569
1570	/** Coro ********************************************************************/	1619	/** Coro ********************************************************************/
1571		1620
1572	INLINE void	1621	INLINE void
1573	coro_enq (pTHX_ struct coro *coro)	1622	coro_enq (pTHX_ struct coro *coro)
1574	{	1623	{
1575	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1624	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1576	}
1577		1625
1578	INLINE SV *	1626	SvREFCNT_inc_NN (coro->hv);
		1627
		1628	coro->next_ready = 0;
		1629	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1630	ready [1] = coro;
		1631	}
		1632
		1633	INLINE struct coro *
1579	coro_deq (pTHX)	1634	coro_deq (pTHX)
1580	{	1635	{
1581	int prio;	1636	int prio;
1582		1637
1583	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1638	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1584	if (AvFILLp (coro_ready [prio]) >= 0)	1639	{
1585	return av_shift (coro_ready [prio]);	1640	struct coro **ready = coro_ready [prio];
		1641
		1642	if (ready [0])
		1643	{
		1644	struct coro *coro = ready [0];
		1645	ready [0] = coro->next_ready;
		1646	return coro;
		1647	}
		1648	}
1586		1649
1587	return 0;	1650	return 0;
1588	}	1651	}
1589		1652
1590	static int	1653	static int
…		…
1654	static void	1717	static void
1655	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1718	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1656	{	1719	{
1657	for (;;)	1720	for (;;)
1658	{	1721	{
1659	SV *next_sv = coro_deq (aTHX);	1722	struct coro *next = coro_deq (aTHX);
1660		1723
1661	if (expect_true (next_sv))	1724	if (expect_true (next))
1662	{	1725	{
1663	struct coro *next = SvSTATE_hv (next_sv);
1664
1665	/* cannot transfer to destroyed coros, skip and look for next */	1726	/* cannot transfer to destroyed coros, skip and look for next */
1666	if (expect_false (next->flags & CF_DESTROYED))	1727	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1667	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1728	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1668	else	1729	else
1669	{	1730	{
1670	next->flags &= ~CF_READY;	1731	next->flags &= ~CF_READY;
1671	--coro_nready;	1732	--coro_nready;
1672		1733
…		…
1850	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */	1911	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1851	api_ready (aTHX_ sv_manager);	1912	api_ready (aTHX_ sv_manager);
1852		1913
1853	frame->prepare = prepare_schedule;	1914	frame->prepare = prepare_schedule;
1854	frame->check = slf_check_repeat;	1915	frame->check = slf_check_repeat;
		1916
		1917	/* as a minor optimisation, we could unwind all stacks here */
		1918	/* but that puts extra pressure on pp_slf, and is not worth much */
		1919	/*coro_unwind_stacks (aTHX);*/
1855	}	1920	}
1856		1921
1857	/*****************************************************************************/	1922	/*****************************************************************************/
1858	/* async pool handler */	1923	/* async pool handler */
1859		1924
…		…
1937		2002
1938	static void	2003	static void
1939	coro_rouse_callback (pTHX_ CV *cv)	2004	coro_rouse_callback (pTHX_ CV *cv)
1940	{	2005	{
1941	dXSARGS;	2006	dXSARGS;
1942	SV *data = (SV *)GENSUB_ARG;	2007	SV *data = (SV *)S_GENSUB_ARG;
1943		2008
1944	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2009	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1945	{	2010	{
1946	/* first call, set args */	2011	/* first call, set args */
		2012	SV *coro = SvRV (data);
1947	AV *av = newAV ();	2013	AV *av = newAV ();
1948	SV *coro = SvRV (data);
1949		2014
1950	SvRV_set (data, (SV *)av);	2015	SvRV_set (data, (SV *)av);
1951	api_ready (aTHX_ coro);
1952	SvREFCNT_dec (coro);
1953		2016
1954	/* better take a full copy of the arguments */	2017	/* better take a full copy of the arguments */
1955	while (items--)	2018	while (items--)
1956	av_store (av, items, newSVsv (ST (items)));	2019	av_store (av, items, newSVsv (ST (items)));
		2020
		2021	api_ready (aTHX_ coro);
		2022	SvREFCNT_dec (coro);
1957	}	2023	}
1958		2024
1959	XSRETURN_EMPTY;	2025	XSRETURN_EMPTY;
1960	}	2026	}
1961		2027
…		…
1978		2044
1979	EXTEND (SP, AvFILLp (av) + 1);	2045	EXTEND (SP, AvFILLp (av) + 1);
1980	for (i = 0; i <= AvFILLp (av); ++i)	2046	for (i = 0; i <= AvFILLp (av); ++i)
1981	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2047	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1982		2048
1983	/* we have stolen the elements, so ste length to zero and free */	2049	/* we have stolen the elements, so set length to zero and free */
1984	AvFILLp (av) = -1;	2050	AvFILLp (av) = -1;
1985	av_undef (av);	2051	av_undef (av);
1986		2052
1987	PUTBACK;	2053	PUTBACK;
1988	}	2054	}
…		…
2012	|| SvTYPE (SvRV (cb)) != SVt_PVCV	2078	|| SvTYPE (SvRV (cb)) != SVt_PVCV
2013	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2079	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2014	croak ("Coro::rouse_wait called with illegal callback argument,");	2080	croak ("Coro::rouse_wait called with illegal callback argument,");
2015		2081
2016	{	2082	{
2017	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */	2083	CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2018	SV *data = (SV *)GENSUB_ARG;	2084	SV *data = (SV *)S_GENSUB_ARG;
2019		2085
2020	frame->data = (void *)data;	2086	frame->data = (void *)data;
2021	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2087	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2022	frame->check = slf_check_rouse_wait;	2088	frame->check = slf_check_rouse_wait;
2023	}	2089	}
…		…
2027	coro_new_rouse_cb (pTHX)	2093	coro_new_rouse_cb (pTHX)
2028	{	2094	{
2029	HV *hv = (HV *)SvRV (coro_current);	2095	HV *hv = (HV *)SvRV (coro_current);
2030	struct coro *coro = SvSTATE_hv (hv);	2096	struct coro *coro = SvSTATE_hv (hv);
2031	SV *data = newRV_inc ((SV *)hv);	2097	SV *data = newRV_inc ((SV *)hv);
2032	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2098	SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2033		2099
2034	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2100	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2035	SvREFCNT_dec (data); /* magicext increases the refcount */	2101	SvREFCNT_dec (data); /* magicext increases the refcount */
2036		2102
2037	SvREFCNT_dec (coro->rouse_cb);	2103	SvREFCNT_dec (coro->rouse_cb);
…		…
2278		2344
2279	PL_op->op_ppaddr = pp_slf;	2345	PL_op->op_ppaddr = pp_slf;
2280	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */	2346	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2281		2347
2282	PL_op = (OP *)&slf_restore;	2348	PL_op = (OP *)&slf_restore;
		2349	}
		2350
		2351	/*****************************************************************************/
		2352	/* dynamic wind */
		2353
		2354	static void
		2355	on_enterleave_call (pTHX_ SV *cb)
		2356	{
		2357	dSP;
		2358
		2359	PUSHSTACK;
		2360
		2361	PUSHMARK (SP);
		2362	PUTBACK;
		2363	call_sv (cb, G_VOID | G_DISCARD);
		2364	SPAGAIN;
		2365
		2366	POPSTACK;
		2367	}
		2368
		2369	static SV *
		2370	coro_avp_pop_and_free (pTHX_ AV **avp)
		2371	{
		2372	AV *av = *avp;
		2373	SV *res = av_pop (av);
		2374
		2375	if (AvFILLp (av) < 0)
		2376	{
		2377	*avp = 0;
		2378	SvREFCNT_dec (av);
		2379	}
		2380
		2381	return res;
		2382	}
		2383
		2384	static void
		2385	coro_pop_on_enter (pTHX_ void *coro)
		2386	{
		2387	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2388	SvREFCNT_dec (cb);
		2389	}
		2390
		2391	static void
		2392	coro_pop_on_leave (pTHX_ void *coro)
		2393	{
		2394	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2395	on_enterleave_call (aTHX_ sv_2mortal (cb));
2283	}	2396	}
2284		2397
2285	/*****************************************************************************/	2398	/*****************************************************************************/
2286	/* PerlIO::cede */	2399	/* PerlIO::cede */
2287		2400
…		…
2361	/* Coro::Semaphore & Coro::Signal */	2474	/* Coro::Semaphore & Coro::Signal */
2362		2475
2363	static SV *	2476	static SV *
2364	coro_waitarray_new (pTHX_ int count)	2477	coro_waitarray_new (pTHX_ int count)
2365	{	2478	{
2366	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2479	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2367	AV *av = newAV ();	2480	AV *av = newAV ();
2368	SV **ary;	2481	SV **ary;
2369		2482
2370	/* unfortunately, building manually saves memory */	2483	/* unfortunately, building manually saves memory */
2371	Newx (ary, 2, SV *);	2484	Newx (ary, 2, SV *);
2372	AvALLOC (av) = ary;	2485	AvALLOC (av) = ary;
		2486	#if PERL_VERSION_ATLEAST (5,10,0)
2373	/*AvARRAY (av) = ary;*/	2487	AvARRAY (av) = ary;
		2488	#else
2374	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2489	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2490	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2491	SvPVX ((SV *)av) = (char *)ary;
		2492	#endif
2375	AvMAX (av) = 1;	2493	AvMAX (av) = 1;
2376	AvFILLp (av) = 0;	2494	AvFILLp (av) = 0;
2377	ary [0] = newSViv (count);	2495	ary [0] = newSViv (count);
2378		2496
2379	return newRV_noinc ((SV *)av);	2497	return newRV_noinc ((SV *)av);
…		…
2508	{	2626	{
2509	if (items >= 2)	2627	if (items >= 2)
2510	{	2628	{
2511	/* callback form */	2629	/* callback form */
2512	AV *av = (AV *)SvRV (arg [0]);	2630	AV *av = (AV *)SvRV (arg [0]);
2513	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2631	SV *cb_cv = s_get_cv_croak (arg [1]);
2514		2632
2515	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2633	av_push (av, SvREFCNT_inc_NN (cb_cv));
2516		2634
2517	if (SvIVX (AvARRAY (av)[0]) > 0)	2635	if (SvIVX (AvARRAY (av)[0]) > 0)
2518	coro_semaphore_adjust (aTHX_ av, 0);	2636	coro_semaphore_adjust (aTHX_ av, 0);
2519		2637
2520	frame->prepare = prepare_nop;	2638	frame->prepare = prepare_nop;
…		…
2544	AvARRAY (av)[0] = AvARRAY (av)[1];	2662	AvARRAY (av)[0] = AvARRAY (av)[1];
2545	AvARRAY (av)[1] = cb;	2663	AvARRAY (av)[1] = cb;
2546		2664
2547	cb = av_shift (av);	2665	cb = av_shift (av);
2548		2666
		2667	if (SvTYPE (cb) == SVt_PVCV)
		2668	{
		2669	dSP;
		2670	PUSHMARK (SP);
		2671	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2672	PUTBACK;
		2673	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2674	}
		2675	else
		2676	{
2549	api_ready (aTHX_ cb);	2677	api_ready (aTHX_ cb);
2550	sv_setiv (cb, 0); /* signal waiter */	2678	sv_setiv (cb, 0); /* signal waiter */
		2679	}
		2680
2551	SvREFCNT_dec (cb);	2681	SvREFCNT_dec (cb);
2552		2682
2553	--count;	2683	--count;
2554	}	2684	}
2555	}	2685	}
…		…
2564	static void	2694	static void
2565	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2695	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2566	{	2696	{
2567	AV *av = (AV *)SvRV (arg [0]);	2697	AV *av = (AV *)SvRV (arg [0]);
2568		2698
		2699	if (items >= 2)
		2700	{
		2701	SV *cb_cv = s_get_cv_croak (arg [1]);
		2702	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2703
2569	if (SvIVX (AvARRAY (av)[0]))	2704	if (SvIVX (AvARRAY (av)[0]))
		2705	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2706
		2707	frame->prepare = prepare_nop;
		2708	frame->check = slf_check_nop;
		2709	}
		2710	else if (SvIVX (AvARRAY (av)[0]))
2570	{	2711	{
2571	SvIVX (AvARRAY (av)[0]) = 0;	2712	SvIVX (AvARRAY (av)[0]) = 0;
2572	frame->prepare = prepare_nop;	2713	frame->prepare = prepare_nop;
2573	frame->check = slf_check_nop;	2714	frame->check = slf_check_nop;
2574	}	2715	}
2575	else	2716	else
2576	{	2717	{
2577	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */	2718	SV *waiter = newSVsv (coro_current); /* owned by signal av */
2578		2719
2579	av_push (av, waiter);	2720	av_push (av, waiter);
2580		2721
2581	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2722	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2582	frame->prepare = prepare_schedule;	2723	frame->prepare = prepare_schedule;
…		…
2600		2741
2601	static void	2742	static void
2602	coro_aio_callback (pTHX_ CV *cv)	2743	coro_aio_callback (pTHX_ CV *cv)
2603	{	2744	{
2604	dXSARGS;	2745	dXSARGS;
2605	AV *state = (AV *)GENSUB_ARG;	2746	AV *state = (AV *)S_GENSUB_ARG;
2606	SV *coro = av_pop (state);	2747	SV *coro = av_pop (state);
2607	SV *data_sv = newSV (sizeof (struct io_state));	2748	SV *data_sv = newSV (sizeof (struct io_state));
2608		2749
2609	av_extend (state, items - 1);	2750	av_extend (state, items - 1);
2610		2751
…		…
2724		2865
2725	for (i = 0; i < items; ++i)	2866	for (i = 0; i < items; ++i)
2726	PUSHs (arg [i]);	2867	PUSHs (arg [i]);
2727		2868
2728	/* now push the callback closure */	2869	/* now push the callback closure */
2729	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));	2870	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2730		2871
2731	/* now call the AIO function - we assume our request is uncancelable */	2872	/* now call the AIO function - we assume our request is uncancelable */
2732	PUTBACK;	2873	PUTBACK;
2733	call_sv ((SV *)req, G_VOID | G_DISCARD);	2874	call_sv ((SV *)req, G_VOID | G_DISCARD);
2734	}	2875	}
…		…
2821		2962
2822	if (!svp) croak ("Time::HiRes is required");	2963	if (!svp) croak ("Time::HiRes is required");
2823	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	2964	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2824		2965
2825	nvtime = INT2PTR (double (*)(), SvIV (*svp));	2966	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		2967
		2968	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		2969	u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2826	}	2970	}
2827		2971
2828	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2972	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2829	}	2973	}
2830		2974
2831	SV *	2975	SV *
2832	new (char *klass, ...)	2976	new (char *klass, ...)
2833	ALIAS:	2977	ALIAS:
…		…
2835	CODE:	2979	CODE:
2836	{	2980	{
2837	struct coro *coro;	2981	struct coro *coro;
2838	MAGIC *mg;	2982	MAGIC *mg;
2839	HV *hv;	2983	HV *hv;
2840	CV *cb;	2984	SV *cb;
2841	int i;	2985	int i;
2842		2986
2843	if (items > 1)	2987	if (items > 1)
2844	{	2988	{
2845	cb = coro_sv_2cv (aTHX_ ST (1));	2989	cb = s_get_cv_croak (ST (1));
2846		2990
2847	if (!ix)	2991	if (!ix)
2848	{	2992	{
2849	if (CvISXSUB (cb))	2993	if (CvISXSUB (cb))
2850	croak ("Coro::State doesn't support XS functions as coroutine start, caught");	2994	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
…		…
2872	av_extend (coro->args, items - 1 + ix - 1);	3016	av_extend (coro->args, items - 1 + ix - 1);
2873		3017
2874	if (ix)	3018	if (ix)
2875	{	3019	{
2876	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));	3020	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2877	cb = cv_coro_run;	3021	cb = (SV *)cv_coro_run;
2878	}	3022	}
2879		3023
2880	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);	3024	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2881		3025
2882	for (i = 2; i < items; i++)	3026	for (i = 2; i < items; i++)
…		…
2908	SV *	3052	SV *
2909	clone (Coro::State coro)	3053	clone (Coro::State coro)
2910	CODE:	3054	CODE:
2911	{	3055	{
2912	#if CORO_CLONE	3056	#if CORO_CLONE
2913	struct coro *ncoro = coro_clone (coro);	3057	struct coro *ncoro = coro_clone (aTHX_ coro);
2914	MAGIC *mg;	3058	MAGIC *mg;
2915	/* TODO: too much duplication */	3059	/* TODO: too much duplication */
2916	ncoro->hv = newHV ();	3060	ncoro->hv = newHV ();
2917	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);	3061	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
2918	mg->mg_flags |= MGf_DUP;	3062	mg->mg_flags |= MGf_DUP;
…		…
2980	eval = 1	3124	eval = 1
2981	CODE:	3125	CODE:
2982	{	3126	{
2983	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3127	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2984	{	3128	{
2985	struct coro temp;	3129	struct coro *current = SvSTATE_current;
2986		3130
2987	if (!(coro->flags & CF_RUNNING))	3131	if (current != coro)
2988	{	3132	{
2989	PUTBACK;	3133	PUTBACK;
2990	save_perl (aTHX_ &temp);	3134	save_perl (aTHX_ current);
2991	load_perl (aTHX_ coro);	3135	load_perl (aTHX_ coro);
		3136	SPAGAIN;
2992	}	3137	}
2993		3138
2994	{
2995	dSP;
2996	ENTER;
2997	SAVETMPS;
2998	PUTBACK;
2999	PUSHSTACK;	3139	PUSHSTACK;
		3140
3000	PUSHMARK (SP);	3141	PUSHMARK (SP);
		3142	PUTBACK;
3001		3143
3002	if (ix)	3144	if (ix)
3003	eval_sv (coderef, 0);	3145	eval_sv (coderef, 0);
3004	else	3146	else
3005	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3147	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3006		3148
3007	POPSTACK;	3149	POPSTACK;
3008	SPAGAIN;	3150	SPAGAIN;
3009	FREETMPS;
3010	LEAVE;
3011	PUTBACK;
3012	}
3013		3151
3014	if (!(coro->flags & CF_RUNNING))	3152	if (current != coro)
3015	{	3153	{
		3154	PUTBACK;
3016	save_perl (aTHX_ coro);	3155	save_perl (aTHX_ coro);
3017	load_perl (aTHX_ &temp);	3156	load_perl (aTHX_ current);
3018	SPAGAIN;	3157	SPAGAIN;
3019	}	3158	}
3020	}	3159	}
3021	}	3160	}
3022		3161
…		…
3026	ALIAS:	3165	ALIAS:
3027	is_ready = CF_READY	3166	is_ready = CF_READY
3028	is_running = CF_RUNNING	3167	is_running = CF_RUNNING
3029	is_new = CF_NEW	3168	is_new = CF_NEW
3030	is_destroyed = CF_DESTROYED	3169	is_destroyed = CF_DESTROYED
		3170	is_suspended = CF_SUSPENDED
3031	CODE:	3171	CODE:
3032	RETVAL = boolSV (coro->flags & ix);	3172	RETVAL = boolSV (coro->flags & ix);
3033	OUTPUT:	3173	OUTPUT:
3034	RETVAL	3174	RETVAL
3035		3175
…		…
3039	CODE:	3179	CODE:
3040	{	3180	{
3041	struct coro *current = SvSTATE_current;	3181	struct coro *current = SvSTATE_current;
3042	SV **throwp = self == current ? &CORO_THROW : &self->except;	3182	SV **throwp = self == current ? &CORO_THROW : &self->except;
3043	SvREFCNT_dec (*throwp);	3183	SvREFCNT_dec (*throwp);
		3184	SvGETMAGIC (throw);
3044	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3185	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3045	}	3186	}
3046		3187
3047	void	3188	void
3048	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3189	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
…		…
3100	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3241	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3101		3242
3102	SV *tmp = *src; *src = *dst; *dst = tmp;	3243	SV *tmp = *src; *src = *dst; *dst = tmp;
3103	}	3244	}
3104		3245
		3246	void
		3247	cancel (Coro::State self)
		3248	CODE:
		3249	coro_state_destroy (aTHX_ self);
		3250	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3251
		3252
		3253	SV *
		3254	enable_times (int enabled = enable_times)
		3255	CODE:
		3256	{
		3257	RETVAL = boolSV (enable_times);
		3258
		3259	if (enabled != enable_times)
		3260	{
		3261	enable_times = enabled;
		3262
		3263	coro_times_update ();
		3264	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3265	}
		3266	}
		3267	OUTPUT:
		3268	RETVAL
		3269
		3270	void
		3271	times (Coro::State self)
		3272	PPCODE:
		3273	{
		3274	struct coro *current = SvSTATE (coro_current);
		3275
		3276	if (expect_false (current == self))
		3277	{
		3278	coro_times_update ();
		3279	coro_times_add (SvSTATE (coro_current));
		3280	}
		3281
		3282	EXTEND (SP, 2);
		3283	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3284	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3285
		3286	if (expect_false (current == self))
		3287	coro_times_sub (SvSTATE (coro_current));
		3288	}
3105		3289
3106	MODULE = Coro::State PACKAGE = Coro	3290	MODULE = Coro::State PACKAGE = Coro
3107		3291
3108	BOOT:	3292	BOOT:
3109	{	3293	{
3110	int i;
3111
3112	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3294	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3113	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3295	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3114	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3296	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3115	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3297	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3116	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3298	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);	3299	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3118	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3300	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3119	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3301	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);	3306	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);	3307	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3126		3308
3127	coro_stash = gv_stashpv ("Coro", TRUE);	3309	coro_stash = gv_stashpv ("Coro", TRUE);
3128		3310
3129	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3311	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3130	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3312	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3131	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3313	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3132	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3314	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3133	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3315	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3134	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3316	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		3317
3139	{	3318	{
3140	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3319	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3141		3320
3142	coroapi.schedule = api_schedule;	3321	coroapi.schedule = api_schedule;
…		…
3183	cede_notself (...)	3362	cede_notself (...)
3184	CODE:	3363	CODE:
3185	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3364	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3186		3365
3187	void	3366	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)	3367	_set_current (SV *current)
3195	PROTOTYPE: $	3368	PROTOTYPE: $
3196	CODE:	3369	CODE:
3197	SvREFCNT_dec (SvRV (coro_current));	3370	SvREFCNT_dec (SvRV (coro_current));
3198	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3371	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3200	void	3373	void
3201	_set_readyhook (SV *hook)	3374	_set_readyhook (SV *hook)
3202	PROTOTYPE: $	3375	PROTOTYPE: $
3203	CODE:	3376	CODE:
3204	SvREFCNT_dec (coro_readyhook);	3377	SvREFCNT_dec (coro_readyhook);
		3378	SvGETMAGIC (hook);
3205	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3379	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3206		3380
3207	int	3381	int
3208	prio (Coro::State coro, int newprio = 0)	3382	prio (Coro::State coro, int newprio = 0)
3209	PROTOTYPE: $;$	3383	PROTOTYPE: $;$
…		…
3216	if (items > 1)	3390	if (items > 1)
3217	{	3391	{
3218	if (ix)	3392	if (ix)
3219	newprio = coro->prio - newprio;	3393	newprio = coro->prio - newprio;
3220		3394
3221	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3395	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3222	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3396	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3223		3397
3224	coro->prio = newprio;	3398	coro->prio = newprio;
3225	}	3399	}
3226	}	3400	}
3227	OUTPUT:	3401	OUTPUT:
…		…
3240	PROTOTYPE:	3414	PROTOTYPE:
3241	CODE:	3415	CODE:
3242	RETVAL = coro_nready;	3416	RETVAL = coro_nready;
3243	OUTPUT:	3417	OUTPUT:
3244	RETVAL	3418	RETVAL
		3419
		3420	void
		3421	suspend (Coro::State self)
		3422	PROTOTYPE: $
		3423	CODE:
		3424	self->flags |= CF_SUSPENDED;
		3425
		3426	void
		3427	resume (Coro::State self)
		3428	PROTOTYPE: $
		3429	CODE:
		3430	self->flags &= ~CF_SUSPENDED;
3245		3431
3246	void	3432	void
3247	_pool_handler (...)	3433	_pool_handler (...)
3248	CODE:	3434	CODE:
3249	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3435	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3304	rouse_wait (...)	3490	rouse_wait (...)
3305	PROTOTYPE: ;$	3491	PROTOTYPE: ;$
3306	PPCODE:	3492	PPCODE:
3307	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3493	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3308		3494
		3495	void
		3496	on_enter (SV *block)
		3497	ALIAS:
		3498	on_leave = 1
		3499	PROTOTYPE: &
		3500	CODE:
		3501	{
		3502	struct coro *coro = SvSTATE_current;
		3503	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3504
		3505	block = s_get_cv_croak (block);
		3506
		3507	if (!*avp)
		3508	*avp = newAV ();
		3509
		3510	av_push (*avp, SvREFCNT_inc (block));
		3511
		3512	if (!ix)
		3513	on_enterleave_call (aTHX_ block);
		3514
		3515	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3516	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3517	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3518	}
		3519
3309		3520
3310	MODULE = Coro::State PACKAGE = PerlIO::cede	3521	MODULE = Coro::State PACKAGE = PerlIO::cede
3311		3522
3312	BOOT:	3523	BOOT:
3313	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3524	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3316	MODULE = Coro::State PACKAGE = Coro::Semaphore	3527	MODULE = Coro::State PACKAGE = Coro::Semaphore
3317		3528
3318	SV *	3529	SV *
3319	new (SV *klass, SV *count = 0)	3530	new (SV *klass, SV *count = 0)
3320	CODE:	3531	CODE:
		3532	{
		3533	int semcnt = 1;
		3534
		3535	if (count)
		3536	{
		3537	SvGETMAGIC (count);
		3538
		3539	if (SvOK (count))
		3540	semcnt = SvIV (count);
		3541	}
		3542
3321	RETVAL = sv_bless (	3543	RETVAL = sv_bless (
3322	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3544	coro_waitarray_new (aTHX_ semcnt),
3323	GvSTASH (CvGV (cv))	3545	GvSTASH (CvGV (cv))
3324	);	3546	);
		3547	}
3325	OUTPUT:	3548	OUTPUT:
3326	RETVAL	3549	RETVAL
3327		3550
3328	# helper for Coro::Channel	3551	# helper for Coro::Channel and others
3329	SV *	3552	SV *
3330	_alloc (int count)	3553	_alloc (int count)
3331	CODE:	3554	CODE:
3332	RETVAL = coro_waitarray_new (aTHX_ count);	3555	RETVAL = coro_waitarray_new (aTHX_ count);
3333	OUTPUT:	3556	OUTPUT:
…		…
3391	for (i = 1; i <= wcount; ++i)	3614	for (i = 1; i <= wcount; ++i)
3392	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3615	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3393	}	3616	}
3394	}	3617	}
3395		3618
		3619	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3620
		3621	void
		3622	_may_delete (SV *sem, int count, int extra_refs)
		3623	PPCODE:
		3624	{
		3625	AV *av = (AV *)SvRV (sem);
		3626
		3627	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3628	&& AvFILLp (av) == 0 /* no waiters, just count */
		3629	&& SvIV (AvARRAY (av)[0]) == count)
		3630	XSRETURN_YES;
		3631
		3632	XSRETURN_NO;
		3633	}
		3634
3396	MODULE = Coro::State PACKAGE = Coro::Signal	3635	MODULE = Coro::State PACKAGE = Coro::Signal
3397		3636
3398	SV *	3637	SV *
3399	new (SV *klass)	3638	new (SV *klass)
3400	CODE:	3639	CODE:
…		…
3471		3710
3472	void	3711	void
3473	_register (char *target, char *proto, SV *req)	3712	_register (char *target, char *proto, SV *req)
3474	CODE:	3713	CODE:
3475	{	3714	{
3476	CV *req_cv = coro_sv_2cv (aTHX_ req);	3715	SV *req_cv = s_get_cv_croak (req);
3477	/* newXSproto doesn't return the CV on 5.8 */	3716	/* newXSproto doesn't return the CV on 5.8 */
3478	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3717	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3479	sv_setpv ((SV *)slf_cv, proto);	3718	sv_setpv ((SV *)slf_cv, proto);
3480	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3719	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3481	}	3720	}

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