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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.329 by root, Tue Nov 25 20:48:41 2008 UTC vs.
Revision 1.368 by root, Thu Aug 13 02:35:41 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
		287
		288	/** Coro::Select ************************************************************/
		289
		290	static OP *(*coro_old_pp_sselect) (pTHX);
		291	static SV *coro_select_select;
		292
		293	/* horrible hack, but if it works... */
		294	static OP *
		295	coro_pp_sselect (aTHX)
		296	{
		297	dSP;
		298	PUSHMARK (SP - 4); /* fake argument list */
		299	XPUSHs (coro_select_select);
		300	PUTBACK;
		301
		302	/* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
		303	PL_op->op_flags |= OPf_STACKED;
		304	PL_op->op_private = 0;
		305	return PL_ppaddr [OP_ENTERSUB](aTHX);
		306	}
318		307
319	/** lowlevel stuff **********************************************************/	308	/** lowlevel stuff **********************************************************/
320		309
321	static SV *	310	static SV *
322	coro_get_sv (pTHX_ const char *name, int create)	311	coro_get_sv (pTHX_ const char *name, int create)
…		…
346	get_hv (name, create);	335	get_hv (name, create);
347	#endif	336	#endif
348	return get_hv (name, create);	337	return get_hv (name, create);
349	}	338	}
350		339
351	/* may croak */	340	INLINE void
352	INLINE CV *	341	coro_times_update ()
353	coro_sv_2cv (pTHX_ SV *sv)
354	{	342	{
		343	#ifdef coro_clock_gettime
		344	struct timespec ts;
		345
		346	ts.tv_sec = ts.tv_nsec = 0;
		347	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		348	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		349
		350	ts.tv_sec = ts.tv_nsec = 0;
		351	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		352	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		353	#else
		354	dTHX;
		355	UV tv[2];
		356
		357	u2time (aTHX_ tv);
		358	time_real [0] = tv [0];
		359	time_real [1] = tv [1] * 1000;
		360	#endif
		361	}
		362
		363	INLINE void
		364	coro_times_add (struct coro *c)
		365	{
		366	c->t_real [1] += time_real [1];
		367	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		368	c->t_real [0] += time_real [0];
		369
		370	c->t_cpu [1] += time_cpu [1];
		371	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		372	c->t_cpu [0] += time_cpu [0];
		373	}
		374
		375	INLINE void
		376	coro_times_sub (struct coro *c)
		377	{
		378	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		379	c->t_real [1] -= time_real [1];
		380	c->t_real [0] -= time_real [0];
		381
		382	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		383	c->t_cpu [1] -= time_cpu [1];
		384	c->t_cpu [0] -= time_cpu [0];
		385	}
		386
		387	/*****************************************************************************/
		388	/* magic glue */
		389
		390	#define CORO_MAGIC_type_cv 26
		391	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		392
		393	#define CORO_MAGIC_NN(sv, type) \
		394	(expect_true (SvMAGIC (sv)->mg_type == type) \
		395	? SvMAGIC (sv) \
		396	: mg_find (sv, type))
		397
		398	#define CORO_MAGIC(sv, type) \
		399	(expect_true (SvMAGIC (sv)) \
		400	? CORO_MAGIC_NN (sv, type) \
		401	: 0)
		402
		403	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		404	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		405
		406	INLINE struct coro *
		407	SvSTATE_ (pTHX_ SV *coro)
		408	{
355	HV *st;	409	HV *stash;
356	GV *gvp;	410	MAGIC *mg;
357	return sv_2cv (sv, &st, &gvp, 0);	411
		412	if (SvROK (coro))
		413	coro = SvRV (coro);
		414
		415	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		416	croak ("Coro::State object required");
		417
		418	stash = SvSTASH (coro);
		419	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		420	{
		421	/* very slow, but rare, check */
		422	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		423	croak ("Coro::State object required");
		424	}
		425
		426	mg = CORO_MAGIC_state (coro);
		427	return (struct coro *)mg->mg_ptr;
358	}	428	}
		429
		430	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		431
		432	/* faster than SvSTATE, but expects a coroutine hv */
		433	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		434	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		435
		436	/*****************************************************************************/
		437	/* padlist management and caching */
359		438
360	static AV *	439	static AV *
361	coro_derive_padlist (pTHX_ CV *cv)	440	coro_derive_padlist (pTHX_ CV *cv)
362	{	441	{
363	AV *padlist = CvPADLIST (cv);	442	AV *padlist = CvPADLIST (cv);
…		…
371	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	450	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
372	#endif	451	#endif
373	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	452	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
374	--AvFILLp (padlist);	453	--AvFILLp (padlist);
375		454
376	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	455	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
377	av_store (newpadlist, 1, (SV *)newpad);	456	av_store (newpadlist, 1, (SV *)newpad);
378		457
379	return newpadlist;	458	return newpadlist;
380	}	459	}
381		460
382	static void	461	static void
383	free_padlist (pTHX_ AV *padlist)	462	free_padlist (pTHX_ AV *padlist)
384	{	463	{
385	/* may be during global destruction */	464	/* may be during global destruction */
386	if (SvREFCNT (padlist))	465	if (!IN_DESTRUCT)
387	{	466	{
388	I32 i = AvFILLp (padlist);	467	I32 i = AvFILLp (padlist);
389	while (i >= 0)	468
		469	while (i > 0) /* special-case index 0 */
390	{	470	{
391	SV **svp = av_fetch (padlist, i--, FALSE);	471	/* we try to be extra-careful here */
392	if (svp)	472	AV *av = (AV *)AvARRAY (padlist)[i--];
393	{	473	I32 j = AvFILLp (av);
394	SV *sv;	474
395	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	475	while (j >= 0)
		476	SvREFCNT_dec (AvARRAY (av)[j--]);
		477
		478	AvFILLp (av) = -1;
396	SvREFCNT_dec (sv);	479	SvREFCNT_dec (av);
397
398	SvREFCNT_dec (*svp);
399	}
400	}	480	}
401		481
		482	SvREFCNT_dec (AvARRAY (padlist)[0]);
		483
		484	AvFILLp (padlist) = -1;
402	SvREFCNT_dec ((SV*)padlist);	485	SvREFCNT_dec ((SV*)padlist);
403	}	486	}
404	}	487	}
405		488
406	static int	489	static int
407	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	490	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
408	{	491	{
409	AV *padlist;	492	AV *padlist;
410	AV *av = (AV *)mg->mg_obj;	493	AV *av = (AV *)mg->mg_obj;
		494
		495	/* perl manages to free our internal AV and _then_ call us */
		496	if (IN_DESTRUCT)
		497	return 0;
411		498
412	/* casting is fun. */	499	/* casting is fun. */
413	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	500	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
414	free_padlist (aTHX_ padlist);	501	free_padlist (aTHX_ padlist);
415		502
416	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	503	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
417		504
418	return 0;	505	return 0;
419	}	506	}
420
421	#define CORO_MAGIC_type_cv 26
422	#define CORO_MAGIC_type_state PERL_MAGIC_ext
423		507
424	static MGVTBL coro_cv_vtbl = {	508	static MGVTBL coro_cv_vtbl = {
425	0, 0, 0, 0,	509	0, 0, 0, 0,
426	coro_cv_free	510	coro_cv_free
427	};	511	};
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		512
472	/* the next two functions merely cache the padlists */	513	/* the next two functions merely cache the padlists */
473	static void	514	static void
474	get_padlist (pTHX_ CV *cv)	515	get_padlist (pTHX_ CV *cv)
475	{	516	{
…		…
503	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	544	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
504		545
505	av = (AV *)mg->mg_obj;	546	av = (AV *)mg->mg_obj;
506		547
507	if (expect_false (AvFILLp (av) >= AvMAX (av)))	548	if (expect_false (AvFILLp (av) >= AvMAX (av)))
508	av_extend (av, AvMAX (av) + 1);	549	av_extend (av, AvFILLp (av) + 1);
509		550
510	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	551	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
511	}	552	}
512		553
513	/** load & save, init *******************************************************/	554	/** load & save, init *******************************************************/
		555
		556	static void
		557	on_enterleave_call (pTHX_ SV *cb);
514		558
515	static void	559	static void
516	load_perl (pTHX_ Coro__State c)	560	load_perl (pTHX_ Coro__State c)
517	{	561	{
518	perl_slots *slot = c->slot;	562	perl_slots *slot = c->slot;
…		…
546	PUTBACK;	590	PUTBACK;
547	}	591	}
548		592
549	slf_frame = c->slf_frame;	593	slf_frame = c->slf_frame;
550	CORO_THROW = c->except;	594	CORO_THROW = c->except;
		595
		596	if (expect_false (enable_times))
		597	{
		598	if (expect_false (!times_valid))
		599	coro_times_update ();
		600
		601	coro_times_sub (c);
		602	}
		603
		604	if (expect_false (c->on_enter))
		605	{
		606	int i;
		607
		608	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		609	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		610	}
551	}	611	}
552		612
553	static void	613	static void
554	save_perl (pTHX_ Coro__State c)	614	save_perl (pTHX_ Coro__State c)
555	{	615	{
		616	if (expect_false (c->on_leave))
		617	{
		618	int i;
		619
		620	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		621	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		622	}
		623
		624	times_valid = 0;
		625
		626	if (expect_false (enable_times))
		627	{
		628	coro_times_update (); times_valid = 1;
		629	coro_times_add (c);
		630	}
		631
556	c->except = CORO_THROW;	632	c->except = CORO_THROW;
557	c->slf_frame = slf_frame;	633	c->slf_frame = slf_frame;
558		634
559	{	635	{
560	dSP;	636	dSP;
…		…
573	{	649	{
574	while (expect_true (cxix >= 0))	650	while (expect_true (cxix >= 0))
575	{	651	{
576	PERL_CONTEXT *cx = &ccstk[cxix--];	652	PERL_CONTEXT *cx = &ccstk[cxix--];
577		653
578	if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))	654	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
579	{	655	{
580	CV *cv = cx->blk_sub.cv;	656	CV *cv = cx->blk_sub.cv;
581		657
582	if (expect_true (CvDEPTH (cv)))	658	if (expect_true (CvDEPTH (cv)))
583	{	659	{
…		…
607	/* we manually unroll here, as usually 2 slots is enough */	683	/* we manually unroll here, as usually 2 slots is enough */
608	if (SLOT_COUNT >= 1) CXINC;	684	if (SLOT_COUNT >= 1) CXINC;
609	if (SLOT_COUNT >= 2) CXINC;	685	if (SLOT_COUNT >= 2) CXINC;
610	if (SLOT_COUNT >= 3) CXINC;	686	if (SLOT_COUNT >= 3) CXINC;
611	{	687	{
612	int i;	688	unsigned int i;
613	for (i = 3; i < SLOT_COUNT; ++i)	689	for (i = 3; i < SLOT_COUNT; ++i)
614	CXINC;	690	CXINC;
615	}	691	}
616	cxstack_ix -= SLOT_COUNT; /* undo allocation */	692	cxstack_ix -= SLOT_COUNT; /* undo allocation */
617		693
…		…
759	#endif	835	#endif
760		836
761	/*	837	/*
762	* This overrides the default magic get method of %SIG elements.	838	* 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	839	* 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	840	* and instead of trying to save and restore the hash elements, we just provide
765	* readback here.	841	* 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	*/	842	*/
770	static int	843	static int
771	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	844	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
772	{	845	{
773	const char *s = MgPV_nolen_const (mg);	846	const char *s = MgPV_nolen_const (mg);
…		…
826	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	899	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
827		900
828	if (svp)	901	if (svp)
829	{	902	{
830	SV *old = *svp;	903	SV *old = *svp;
831	*svp = newSVsv (sv);	904	*svp = SvOK (sv) ? newSVsv (sv) : 0;
832	SvREFCNT_dec (old);	905	SvREFCNT_dec (old);
833	return 0;	906	return 0;
834	}	907	}
835	}	908	}
836		909
…		…
925		998
926	PL_op = (OP *)&coro_setup_op;	999	PL_op = (OP *)&coro_setup_op;
927		1000
928	/* copy throw, in case it was set before coro_setup */	1001	/* copy throw, in case it was set before coro_setup */
929	CORO_THROW = coro->except;	1002	CORO_THROW = coro->except;
930	}
931		1003
		1004	if (expect_false (enable_times))
		1005	{
		1006	coro_times_update ();
		1007	coro_times_sub (coro);
		1008	}
		1009	}
		1010
932	static void	1011	static void
933	coro_destruct (pTHX_ struct coro *coro)	1012	coro_unwind_stacks (pTHX)
934	{	1013	{
935	if (!IN_DESTRUCT)	1014	if (!IN_DESTRUCT)
936	{	1015	{
937	/* restore all saved variables and stuff */	1016	/* restore all saved variables and stuff */
938	LEAVE_SCOPE (0);	1017	LEAVE_SCOPE (0);
…		…
946	POPSTACK_TO (PL_mainstack);	1025	POPSTACK_TO (PL_mainstack);
947		1026
948	/* unwind main stack */	1027	/* unwind main stack */
949	dounwind (-1);	1028	dounwind (-1);
950	}	1029	}
		1030	}
951		1031
952	SvREFCNT_dec (GvSV (PL_defgv));	1032	static void
953	SvREFCNT_dec (GvAV (PL_defgv));	1033	coro_destruct_perl (pTHX_ struct coro *coro)
954	SvREFCNT_dec (GvSV (PL_errgv));	1034	{
955	SvREFCNT_dec (PL_defoutgv);	1035	SV *svf [9];
956	SvREFCNT_dec (PL_rs);
957	SvREFCNT_dec (GvSV (irsgv));
958	SvREFCNT_dec (GvHV (PL_hintgv));
959		1036
960	SvREFCNT_dec (PL_diehook);
961	SvREFCNT_dec (PL_warnhook);
962		1037	{
		1038	struct coro *current = SvSTATE_current;
		1039
		1040	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1041
		1042	save_perl (aTHX_ current);
		1043	load_perl (aTHX_ coro);
		1044
		1045	coro_unwind_stacks (aTHX);
		1046	coro_destruct_stacks (aTHX);
		1047
		1048	// now save some sv's to be free'd later
		1049	svf [0] = GvSV (PL_defgv);
		1050	svf [1] = (SV *)GvAV (PL_defgv);
		1051	svf [2] = GvSV (PL_errgv);
		1052	svf [3] = (SV *)PL_defoutgv;
		1053	svf [4] = PL_rs;
		1054	svf [5] = GvSV (irsgv);
		1055	svf [6] = (SV *)GvHV (PL_hintgv);
		1056	svf [7] = PL_diehook;
		1057	svf [8] = PL_warnhook;
		1058	assert (9 == sizeof (svf) / sizeof (*svf));
		1059
		1060	load_perl (aTHX_ current);
		1061	}
		1062
		1063	{
		1064	unsigned int i;
		1065
		1066	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1067	SvREFCNT_dec (svf [i]);
		1068
963	SvREFCNT_dec (coro->saved_deffh);	1069	SvREFCNT_dec (coro->saved_deffh);
964	SvREFCNT_dec (coro->rouse_cb);	1070	SvREFCNT_dec (coro->rouse_cb);
965	SvREFCNT_dec (coro->invoke_cb);	1071	SvREFCNT_dec (coro->invoke_cb);
966	SvREFCNT_dec (coro->invoke_av);	1072	SvREFCNT_dec (coro->invoke_av);
967		1073	}
968	coro_destruct_stacks (aTHX);
969	}	1074	}
970		1075
971	INLINE void	1076	INLINE void
972	free_coro_mortal (pTHX)	1077	free_coro_mortal (pTHX)
973	{	1078	{
…		…
1170	/* somebody or something will hit me for both perl_run and PL_restartop */	1275	/* somebody or something will hit me for both perl_run and PL_restartop */
1171	PL_restartop = PL_op;	1276	PL_restartop = PL_op;
1172	perl_run (PL_curinterp);	1277	perl_run (PL_curinterp);
1173	/*	1278	/*
1174	* Unfortunately, there is no way to get at the return values of the	1279	* Unfortunately, there is no way to get at the return values of the
1175	* coro body here, as perl_run destroys these	1280	* coro body here, as perl_run destroys these. Likewise, we cannot catch
		1281	* runtime errors here, as this is just a random interpreter, not a thread.
1176	*/	1282	*/
1177		1283
1178	/*	1284	/*
1179	* If perl-run returns we assume exit() was being called or the coro	1285	* 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)	1286	* fell off the end, which seems to be the only valid (non-bug)
…		…
1267	cctx_destroy (coro_cctx *cctx)	1373	cctx_destroy (coro_cctx *cctx)
1268	{	1374	{
1269	if (!cctx)	1375	if (!cctx)
1270	return;	1376	return;
1271		1377
1272	assert (cctx != cctx_current);//D temporary	1378	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1273		1379
1274	--cctx_count;	1380	--cctx_count;
1275	coro_destroy (&cctx->cctx);	1381	coro_destroy (&cctx->cctx);
1276		1382
1277	/* coro_transfer creates new, empty cctx's */	1383	/* coro_transfer creates new, empty cctx's */
…		…
1341	/* TODO: throwing up here is considered harmful */	1447	/* TODO: throwing up here is considered harmful */
1342		1448
1343	if (expect_true (prev != next))	1449	if (expect_true (prev != next))
1344	{	1450	{
1345	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1451	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1346	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1452	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1347		1453
1348	if (expect_false (next->flags & CF_RUNNING))
1349	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1350
1351	if (expect_false (next->flags & CF_DESTROYED))	1454	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1352	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1455	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1353		1456
1354	#if !PERL_VERSION_ATLEAST (5,10,0)	1457	#if !PERL_VERSION_ATLEAST (5,10,0)
1355	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1458	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1356	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1459	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1357	#endif	1460	#endif
…		…
1395	coro_setup (aTHX_ next);	1498	coro_setup (aTHX_ next);
1396	}	1499	}
1397	else	1500	else
1398	load_perl (aTHX_ next);	1501	load_perl (aTHX_ next);
1399		1502
1400	assert (!prev->cctx);//D temporary
1401
1402	/* possibly untie and reuse the cctx */	1503	/* possibly untie and reuse the cctx */
1403	if (expect_true (	1504	if (expect_true (
1404	cctx_current->idle_sp == STACKLEVEL	1505	cctx_current->idle_sp == STACKLEVEL
1405	&& !(cctx_current->flags & CC_TRACE)	1506	&& !(cctx_current->flags & CC_TRACE)
1406	&& !force_cctx	1507	&& !force_cctx
…		…
1447	coro_state_destroy (pTHX_ struct coro *coro)	1548	coro_state_destroy (pTHX_ struct coro *coro)
1448	{	1549	{
1449	if (coro->flags & CF_DESTROYED)	1550	if (coro->flags & CF_DESTROYED)
1450	return 0;	1551	return 0;
1451		1552
1452	if (coro->on_destroy)	1553	if (coro->on_destroy && !PL_dirty)
1453	coro->on_destroy (aTHX_ coro);	1554	coro->on_destroy (aTHX_ coro);
1454		1555
1455	coro->flags |= CF_DESTROYED;	1556	coro->flags |= CF_DESTROYED;
1456		1557
1457	if (coro->flags & CF_READY)	1558	if (coro->flags & CF_READY)
…		…
1461	--coro_nready;	1562	--coro_nready;
1462	}	1563	}
1463	else	1564	else
1464	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1565	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1465		1566
1466	if (coro->mainstack && coro->mainstack != main_mainstack)	1567	if (coro->mainstack
1467	{	1568	&& coro->mainstack != main_mainstack
1468	struct coro temp;	1569	&& coro->slot
1469		1570	&& !PL_dirty)
1470	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1471
1472	save_perl (aTHX_ &temp);
1473	load_perl (aTHX_ coro);
1474
1475	coro_destruct (aTHX_ coro);	1571	coro_destruct_perl (aTHX_ coro);
1476
1477	load_perl (aTHX_ &temp);
1478
1479	coro->slot = 0;
1480	}
1481		1572
1482	cctx_destroy (coro->cctx);	1573	cctx_destroy (coro->cctx);
1483	SvREFCNT_dec (coro->startcv);	1574	SvREFCNT_dec (coro->startcv);
1484	SvREFCNT_dec (coro->args);	1575	SvREFCNT_dec (coro->args);
1485	SvREFCNT_dec (CORO_THROW);	1576	SvREFCNT_dec (CORO_THROW);
…		…
1544		1635
1545	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1636	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1546	TRANSFER (ta, 1);	1637	TRANSFER (ta, 1);
1547	}	1638	}
1548		1639
1549	/*****************************************************************************/
1550	/* gensub: simple closure generation utility */
1551
1552	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1553
1554	/* create a closure from XS, returns a code reference */
1555	/* the arg can be accessed via GENSUB_ARG from the callback */
1556	/* the callback must use dXSARGS/XSRETURN */
1557	static SV *
1558	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1559	{
1560	CV *cv = (CV *)newSV (0);
1561
1562	sv_upgrade ((SV *)cv, SVt_PVCV);
1563
1564	CvANON_on (cv);
1565	CvISXSUB_on (cv);
1566	CvXSUB (cv) = xsub;
1567	GENSUB_ARG = arg;
1568
1569	return newRV_noinc ((SV *)cv);
1570	}
1571
1572	/** Coro ********************************************************************/	1640	/** Coro ********************************************************************/
1573		1641
1574	INLINE void	1642	INLINE void
1575	coro_enq (pTHX_ struct coro *coro)	1643	coro_enq (pTHX_ struct coro *coro)
1576	{	1644	{
1577	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1645	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1578	}
1579		1646
1580	INLINE SV *	1647	SvREFCNT_inc_NN (coro->hv);
		1648
		1649	coro->next_ready = 0;
		1650	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1651	ready [1] = coro;
		1652	}
		1653
		1654	INLINE struct coro *
1581	coro_deq (pTHX)	1655	coro_deq (pTHX)
1582	{	1656	{
1583	int prio;	1657	int prio;
1584		1658
1585	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1659	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1586	if (AvFILLp (coro_ready [prio]) >= 0)	1660	{
1587	return av_shift (coro_ready [prio]);	1661	struct coro **ready = coro_ready [prio];
		1662
		1663	if (ready [0])
		1664	{
		1665	struct coro *coro = ready [0];
		1666	ready [0] = coro->next_ready;
		1667	return coro;
		1668	}
		1669	}
1588		1670
1589	return 0;	1671	return 0;
		1672	}
		1673
		1674	static void
		1675	invoke_sv_ready_hook_helper (void)
		1676	{
		1677	dTHX;
		1678	dSP;
		1679
		1680	ENTER;
		1681	SAVETMPS;
		1682
		1683	PUSHMARK (SP);
		1684	PUTBACK;
		1685	call_sv (coro_readyhook, G_VOID | G_DISCARD);
		1686
		1687	FREETMPS;
		1688	LEAVE;
1590	}	1689	}
1591		1690
1592	static int	1691	static int
1593	api_ready (pTHX_ SV *coro_sv)	1692	api_ready (pTHX_ SV *coro_sv)
1594	{	1693	{
1595	struct coro *coro;
1596	SV *sv_hook;
1597	void (*xs_hook)(void);
1598
1599	coro = SvSTATE (coro_sv);	1694	struct coro *coro = SvSTATE (coro_sv);
1600		1695
1601	if (coro->flags & CF_READY)	1696	if (coro->flags & CF_READY)
1602	return 0;	1697	return 0;
1603		1698
1604	coro->flags |= CF_READY;	1699	coro->flags |= CF_READY;
1605		1700
1606	sv_hook = coro_nready ? 0 : coro_readyhook;
1607	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1608
1609	coro_enq (aTHX_ coro);	1701	coro_enq (aTHX_ coro);
1610	++coro_nready;
1611		1702
1612	if (sv_hook)	1703	if (!coro_nready++)
1613	{	1704	if (coroapi.readyhook)
1614	dSP;	1705	coroapi.readyhook ();
1615
1616	ENTER;
1617	SAVETMPS;
1618
1619	PUSHMARK (SP);
1620	PUTBACK;
1621	call_sv (sv_hook, G_VOID | G_DISCARD);
1622
1623	FREETMPS;
1624	LEAVE;
1625	}
1626
1627	if (xs_hook)
1628	xs_hook ();
1629		1706
1630	return 1;	1707	return 1;
1631	}	1708	}
1632		1709
1633	static int	1710	static int
…		…
1656	static void	1733	static void
1657	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1734	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1658	{	1735	{
1659	for (;;)	1736	for (;;)
1660	{	1737	{
1661	SV *next_sv = coro_deq (aTHX);	1738	struct coro *next = coro_deq (aTHX);
1662		1739
1663	if (expect_true (next_sv))	1740	if (expect_true (next))
1664	{	1741	{
1665	struct coro *next = SvSTATE_hv (next_sv);
1666
1667	/* cannot transfer to destroyed coros, skip and look for next */	1742	/* cannot transfer to destroyed coros, skip and look for next */
1668	if (expect_false (next->flags & CF_DESTROYED))	1743	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1669	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1744	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1670	else	1745	else
1671	{	1746	{
1672	next->flags &= ~CF_READY;	1747	next->flags &= ~CF_READY;
1673	--coro_nready;	1748	--coro_nready;
1674		1749
…		…
1841	{	1916	{
1842	int i;	1917	int i;
1843	HV *hv = (HV *)SvRV (coro_current);	1918	HV *hv = (HV *)SvRV (coro_current);
1844	AV *av = newAV ();	1919	AV *av = newAV ();
1845		1920
		1921	/* items are actually not so common, so optimise for this case */
		1922	if (items)
		1923	{
1846	av_extend (av, items - 1);	1924	av_extend (av, items - 1);
		1925
1847	for (i = 0; i < items; ++i)	1926	for (i = 0; i < items; ++i)
1848	av_push (av, SvREFCNT_inc_NN (arg [i]));	1927	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1928	}
1849		1929
1850	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);	1930	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1851		1931
1852	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */	1932	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1853	api_ready (aTHX_ sv_manager);	1933	api_ready (aTHX_ sv_manager);
1854		1934
1855	frame->prepare = prepare_schedule;	1935	frame->prepare = prepare_schedule;
1856	frame->check = slf_check_repeat;	1936	frame->check = slf_check_repeat;
		1937
		1938	/* as a minor optimisation, we could unwind all stacks here */
		1939	/* but that puts extra pressure on pp_slf, and is not worth much */
		1940	/*coro_unwind_stacks (aTHX);*/
1857	}	1941	}
1858		1942
1859	/*****************************************************************************/	1943	/*****************************************************************************/
1860	/* async pool handler */	1944	/* async pool handler */
1861		1945
…		…
1939		2023
1940	static void	2024	static void
1941	coro_rouse_callback (pTHX_ CV *cv)	2025	coro_rouse_callback (pTHX_ CV *cv)
1942	{	2026	{
1943	dXSARGS;	2027	dXSARGS;
1944	SV *data = (SV *)GENSUB_ARG;	2028	SV *data = (SV *)S_GENSUB_ARG;
1945		2029
1946	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2030	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1947	{	2031	{
1948	/* first call, set args */	2032	/* first call, set args */
		2033	SV *coro = SvRV (data);
1949	AV *av = newAV ();	2034	AV *av = newAV ();
1950	SV *coro = SvRV (data);
1951		2035
1952	SvRV_set (data, (SV *)av);	2036	SvRV_set (data, (SV *)av);
1953	api_ready (aTHX_ coro);
1954	SvREFCNT_dec (coro);
1955		2037
1956	/* better take a full copy of the arguments */	2038	/* better take a full copy of the arguments */
1957	while (items--)	2039	while (items--)
1958	av_store (av, items, newSVsv (ST (items)));	2040	av_store (av, items, newSVsv (ST (items)));
		2041
		2042	api_ready (aTHX_ coro);
		2043	SvREFCNT_dec (coro);
1959	}	2044	}
1960		2045
1961	XSRETURN_EMPTY;	2046	XSRETURN_EMPTY;
1962	}	2047	}
1963		2048
…		…
1980		2065
1981	EXTEND (SP, AvFILLp (av) + 1);	2066	EXTEND (SP, AvFILLp (av) + 1);
1982	for (i = 0; i <= AvFILLp (av); ++i)	2067	for (i = 0; i <= AvFILLp (av); ++i)
1983	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2068	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1984		2069
1985	/* we have stolen the elements, so ste length to zero and free */	2070	/* we have stolen the elements, so set length to zero and free */
1986	AvFILLp (av) = -1;	2071	AvFILLp (av) = -1;
1987	av_undef (av);	2072	av_undef (av);
1988		2073
1989	PUTBACK;	2074	PUTBACK;
1990	}	2075	}
…		…
2014	|| SvTYPE (SvRV (cb)) != SVt_PVCV	2099	|| SvTYPE (SvRV (cb)) != SVt_PVCV
2015	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2100	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2016	croak ("Coro::rouse_wait called with illegal callback argument,");	2101	croak ("Coro::rouse_wait called with illegal callback argument,");
2017		2102
2018	{	2103	{
2019	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */	2104	CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2020	SV *data = (SV *)GENSUB_ARG;	2105	SV *data = (SV *)S_GENSUB_ARG;
2021		2106
2022	frame->data = (void *)data;	2107	frame->data = (void *)data;
2023	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2108	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2024	frame->check = slf_check_rouse_wait;	2109	frame->check = slf_check_rouse_wait;
2025	}	2110	}
…		…
2029	coro_new_rouse_cb (pTHX)	2114	coro_new_rouse_cb (pTHX)
2030	{	2115	{
2031	HV *hv = (HV *)SvRV (coro_current);	2116	HV *hv = (HV *)SvRV (coro_current);
2032	struct coro *coro = SvSTATE_hv (hv);	2117	struct coro *coro = SvSTATE_hv (hv);
2033	SV *data = newRV_inc ((SV *)hv);	2118	SV *data = newRV_inc ((SV *)hv);
2034	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2119	SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2035		2120
2036	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2121	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2037	SvREFCNT_dec (data); /* magicext increases the refcount */	2122	SvREFCNT_dec (data); /* magicext increases the refcount */
2038		2123
2039	SvREFCNT_dec (coro->rouse_cb);	2124	SvREFCNT_dec (coro->rouse_cb);
…		…
2280		2365
2281	PL_op->op_ppaddr = pp_slf;	2366	PL_op->op_ppaddr = pp_slf;
2282	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */	2367	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2283		2368
2284	PL_op = (OP *)&slf_restore;	2369	PL_op = (OP *)&slf_restore;
		2370	}
		2371
		2372	/*****************************************************************************/
		2373	/* dynamic wind */
		2374
		2375	static void
		2376	on_enterleave_call (pTHX_ SV *cb)
		2377	{
		2378	dSP;
		2379
		2380	PUSHSTACK;
		2381
		2382	PUSHMARK (SP);
		2383	PUTBACK;
		2384	call_sv (cb, G_VOID | G_DISCARD);
		2385	SPAGAIN;
		2386
		2387	POPSTACK;
		2388	}
		2389
		2390	static SV *
		2391	coro_avp_pop_and_free (pTHX_ AV **avp)
		2392	{
		2393	AV *av = *avp;
		2394	SV *res = av_pop (av);
		2395
		2396	if (AvFILLp (av) < 0)
		2397	{
		2398	*avp = 0;
		2399	SvREFCNT_dec (av);
		2400	}
		2401
		2402	return res;
		2403	}
		2404
		2405	static void
		2406	coro_pop_on_enter (pTHX_ void *coro)
		2407	{
		2408	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2409	SvREFCNT_dec (cb);
		2410	}
		2411
		2412	static void
		2413	coro_pop_on_leave (pTHX_ void *coro)
		2414	{
		2415	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2416	on_enterleave_call (aTHX_ sv_2mortal (cb));
2285	}	2417	}
2286		2418
2287	/*****************************************************************************/	2419	/*****************************************************************************/
2288	/* PerlIO::cede */	2420	/* PerlIO::cede */
2289		2421
…		…
2363	/* Coro::Semaphore & Coro::Signal */	2495	/* Coro::Semaphore & Coro::Signal */
2364		2496
2365	static SV *	2497	static SV *
2366	coro_waitarray_new (pTHX_ int count)	2498	coro_waitarray_new (pTHX_ int count)
2367	{	2499	{
2368	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2500	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2369	AV *av = newAV ();	2501	AV *av = newAV ();
2370	SV **ary;	2502	SV **ary;
2371		2503
2372	/* unfortunately, building manually saves memory */	2504	/* unfortunately, building manually saves memory */
2373	Newx (ary, 2, SV *);	2505	Newx (ary, 2, SV *);
…		…
2515	{	2647	{
2516	if (items >= 2)	2648	if (items >= 2)
2517	{	2649	{
2518	/* callback form */	2650	/* callback form */
2519	AV *av = (AV *)SvRV (arg [0]);	2651	AV *av = (AV *)SvRV (arg [0]);
2520	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2652	SV *cb_cv = s_get_cv_croak (arg [1]);
2521		2653
2522	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2654	av_push (av, SvREFCNT_inc_NN (cb_cv));
2523		2655
2524	if (SvIVX (AvARRAY (av)[0]) > 0)	2656	if (SvIVX (AvARRAY (av)[0]) > 0)
2525	coro_semaphore_adjust (aTHX_ av, 0);	2657	coro_semaphore_adjust (aTHX_ av, 0);
2526		2658
2527	frame->prepare = prepare_nop;	2659	frame->prepare = prepare_nop;
…		…
2551	AvARRAY (av)[0] = AvARRAY (av)[1];	2683	AvARRAY (av)[0] = AvARRAY (av)[1];
2552	AvARRAY (av)[1] = cb;	2684	AvARRAY (av)[1] = cb;
2553		2685
2554	cb = av_shift (av);	2686	cb = av_shift (av);
2555		2687
		2688	if (SvTYPE (cb) == SVt_PVCV)
		2689	{
		2690	dSP;
		2691	PUSHMARK (SP);
		2692	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2693	PUTBACK;
		2694	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2695	}
		2696	else
		2697	{
2556	api_ready (aTHX_ cb);	2698	api_ready (aTHX_ cb);
2557	sv_setiv (cb, 0); /* signal waiter */	2699	sv_setiv (cb, 0); /* signal waiter */
		2700	}
		2701
2558	SvREFCNT_dec (cb);	2702	SvREFCNT_dec (cb);
2559		2703
2560	--count;	2704	--count;
2561	}	2705	}
2562	}	2706	}
…		…
2571	static void	2715	static void
2572	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2716	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2573	{	2717	{
2574	AV *av = (AV *)SvRV (arg [0]);	2718	AV *av = (AV *)SvRV (arg [0]);
2575		2719
		2720	if (items >= 2)
		2721	{
		2722	SV *cb_cv = s_get_cv_croak (arg [1]);
		2723	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2724
2576	if (SvIVX (AvARRAY (av)[0]))	2725	if (SvIVX (AvARRAY (av)[0]))
		2726	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2727
		2728	frame->prepare = prepare_nop;
		2729	frame->check = slf_check_nop;
		2730	}
		2731	else if (SvIVX (AvARRAY (av)[0]))
2577	{	2732	{
2578	SvIVX (AvARRAY (av)[0]) = 0;	2733	SvIVX (AvARRAY (av)[0]) = 0;
2579	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
2580	frame->check = slf_check_nop;	2735	frame->check = slf_check_nop;
2581	}	2736	}
2582	else	2737	else
2583	{	2738	{
2584	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */	2739	SV *waiter = newSVsv (coro_current); /* owned by signal av */
2585		2740
2586	av_push (av, waiter);	2741	av_push (av, waiter);
2587		2742
2588	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2743	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2589	frame->prepare = prepare_schedule;	2744	frame->prepare = prepare_schedule;
…		…
2607		2762
2608	static void	2763	static void
2609	coro_aio_callback (pTHX_ CV *cv)	2764	coro_aio_callback (pTHX_ CV *cv)
2610	{	2765	{
2611	dXSARGS;	2766	dXSARGS;
2612	AV *state = (AV *)GENSUB_ARG;	2767	AV *state = (AV *)S_GENSUB_ARG;
2613	SV *coro = av_pop (state);	2768	SV *coro = av_pop (state);
2614	SV *data_sv = newSV (sizeof (struct io_state));	2769	SV *data_sv = newSV (sizeof (struct io_state));
2615		2770
2616	av_extend (state, items - 1);	2771	av_extend (state, items - 1);
2617		2772
…		…
2731		2886
2732	for (i = 0; i < items; ++i)	2887	for (i = 0; i < items; ++i)
2733	PUSHs (arg [i]);	2888	PUSHs (arg [i]);
2734		2889
2735	/* now push the callback closure */	2890	/* now push the callback closure */
2736	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));	2891	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2737		2892
2738	/* now call the AIO function - we assume our request is uncancelable */	2893	/* now call the AIO function - we assume our request is uncancelable */
2739	PUTBACK;	2894	PUTBACK;
2740	call_sv ((SV *)req, G_VOID | G_DISCARD);	2895	call_sv ((SV *)req, G_VOID | G_DISCARD);
2741	}	2896	}
…		…
2759	/*****************************************************************************/	2914	/*****************************************************************************/
2760		2915
2761	#if CORO_CLONE	2916	#if CORO_CLONE
2762	# include "clone.c"	2917	# include "clone.c"
2763	#endif	2918	#endif
		2919
		2920	/*****************************************************************************/
		2921
		2922	static SV *
		2923	coro_new (HV *stash, SV **argv, int argc, int is_coro)
		2924	{
		2925	SV *coro_sv;
		2926	struct coro *coro;
		2927	MAGIC *mg;
		2928	HV *hv;
		2929	SV *cb;
		2930	int i;
		2931
		2932	if (argc > 0)
		2933	{
		2934	cb = s_get_cv_croak (argv [0]);
		2935
		2936	if (!is_coro)
		2937	{
		2938	if (CvISXSUB (cb))
		2939	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2940
		2941	if (!CvROOT (cb))
		2942	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2943	}
		2944	}
		2945
		2946	Newz (0, coro, 1, struct coro);
		2947	coro->args = newAV ();
		2948	coro->flags = CF_NEW;
		2949
		2950	if (coro_first) coro_first->prev = coro;
		2951	coro->next = coro_first;
		2952	coro_first = coro;
		2953
		2954	coro->hv = hv = newHV ();
		2955	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
		2956	mg->mg_flags |= MGf_DUP;
		2957	coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
		2958
		2959	if (argc > 0)
		2960	{
		2961	av_extend (coro->args, argc + is_coro - 1);
		2962
		2963	if (is_coro)
		2964	{
		2965	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2966	cb = (SV *)cv_coro_run;
		2967	}
		2968
		2969	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2970
		2971	for (i = 1; i < argc; i++)
		2972	av_push (coro->args, newSVsv (argv [i]));
		2973	}
		2974
		2975	return coro_sv;
		2976	}
2764		2977
2765	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2978	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2766		2979
2767	PROTOTYPES: DISABLE	2980	PROTOTYPES: DISABLE
2768		2981
…		…
2828		3041
2829	if (!svp) croak ("Time::HiRes is required");	3042	if (!svp) croak ("Time::HiRes is required");
2830	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3043	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2831		3044
2832	nvtime = INT2PTR (double (*)(), SvIV (*svp));	3045	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		3046
		3047	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3048	u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2833	}	3049	}
2834		3050
2835	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3051	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2836	}	3052	}
2837		3053
2838	SV *	3054	SV *
2839	new (char *klass, ...)	3055	new (SV *klass, ...)
2840	ALIAS:	3056	ALIAS:
2841	Coro::new = 1	3057	Coro::new = 1
2842	CODE:	3058	CODE:
2843	{	3059	RETVAL = coro_new (ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2844	struct coro *coro;	3060	OUTPUT:
2845	MAGIC *mg;
2846	HV *hv;
2847	CV *cb;
2848	int i;
2849
2850	if (items > 1)
2851	{
2852	cb = coro_sv_2cv (aTHX_ ST (1));
2853
2854	if (!ix)
2855	{
2856	if (CvISXSUB (cb))
2857	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2858
2859	if (!CvROOT (cb))
2860	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2861	}
2862	}
2863
2864	Newz (0, coro, 1, struct coro);
2865	coro->args = newAV ();
2866	coro->flags = CF_NEW;
2867
2868	if (coro_first) coro_first->prev = coro;
2869	coro->next = coro_first;
2870	coro_first = coro;
2871
2872	coro->hv = hv = newHV ();
2873	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2874	mg->mg_flags |= MGf_DUP;
2875	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2876
2877	if (items > 1)
2878	{
2879	av_extend (coro->args, items - 1 + ix - 1);
2880
2881	if (ix)
2882	{
2883	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2884	cb = cv_coro_run;
2885	}
2886
2887	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2888
2889	for (i = 2; i < items; i++)
2890	av_push (coro->args, newSVsv (ST (i)));
2891	}
2892	}
2893	OUTPUT:
2894	RETVAL	3061	RETVAL
2895		3062
2896	void	3063	void
2897	transfer (...)	3064	transfer (...)
2898	PROTOTYPE: $$	3065	PROTOTYPE: $$
…		…
2915	SV *	3082	SV *
2916	clone (Coro::State coro)	3083	clone (Coro::State coro)
2917	CODE:	3084	CODE:
2918	{	3085	{
2919	#if CORO_CLONE	3086	#if CORO_CLONE
2920	struct coro *ncoro = coro_clone (coro);	3087	struct coro *ncoro = coro_clone (aTHX_ coro);
2921	MAGIC *mg;	3088	MAGIC *mg;
2922	/* TODO: too much duplication */	3089	/* TODO: too much duplication */
2923	ncoro->hv = newHV ();	3090	ncoro->hv = newHV ();
2924	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);	3091	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
2925	mg->mg_flags |= MGf_DUP;	3092	mg->mg_flags |= MGf_DUP;
…		…
2987	eval = 1	3154	eval = 1
2988	CODE:	3155	CODE:
2989	{	3156	{
2990	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3157	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2991	{	3158	{
2992	struct coro temp;	3159	struct coro *current = SvSTATE_current;
2993		3160
2994	if (!(coro->flags & CF_RUNNING))	3161	if (current != coro)
2995	{	3162	{
2996	PUTBACK;	3163	PUTBACK;
2997	save_perl (aTHX_ &temp);	3164	save_perl (aTHX_ current);
2998	load_perl (aTHX_ coro);	3165	load_perl (aTHX_ coro);
		3166	SPAGAIN;
2999	}	3167	}
3000		3168
3001	{
3002	dSP;
3003	ENTER;
3004	SAVETMPS;
3005	PUTBACK;
3006	PUSHSTACK;	3169	PUSHSTACK;
		3170
3007	PUSHMARK (SP);	3171	PUSHMARK (SP);
		3172	PUTBACK;
3008		3173
3009	if (ix)	3174	if (ix)
3010	eval_sv (coderef, 0);	3175	eval_sv (coderef, 0);
3011	else	3176	else
3012	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3177	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3013		3178
3014	POPSTACK;	3179	POPSTACK;
3015	SPAGAIN;	3180	SPAGAIN;
3016	FREETMPS;
3017	LEAVE;
3018	PUTBACK;
3019	}
3020		3181
3021	if (!(coro->flags & CF_RUNNING))	3182	if (current != coro)
3022	{	3183	{
		3184	PUTBACK;
3023	save_perl (aTHX_ coro);	3185	save_perl (aTHX_ coro);
3024	load_perl (aTHX_ &temp);	3186	load_perl (aTHX_ current);
3025	SPAGAIN;	3187	SPAGAIN;
3026	}	3188	}
3027	}	3189	}
3028	}	3190	}
3029		3191
…		…
3033	ALIAS:	3195	ALIAS:
3034	is_ready = CF_READY	3196	is_ready = CF_READY
3035	is_running = CF_RUNNING	3197	is_running = CF_RUNNING
3036	is_new = CF_NEW	3198	is_new = CF_NEW
3037	is_destroyed = CF_DESTROYED	3199	is_destroyed = CF_DESTROYED
		3200	is_suspended = CF_SUSPENDED
3038	CODE:	3201	CODE:
3039	RETVAL = boolSV (coro->flags & ix);	3202	RETVAL = boolSV (coro->flags & ix);
3040	OUTPUT:	3203	OUTPUT:
3041	RETVAL	3204	RETVAL
3042		3205
…		…
3046	CODE:	3209	CODE:
3047	{	3210	{
3048	struct coro *current = SvSTATE_current;	3211	struct coro *current = SvSTATE_current;
3049	SV **throwp = self == current ? &CORO_THROW : &self->except;	3212	SV **throwp = self == current ? &CORO_THROW : &self->except;
3050	SvREFCNT_dec (*throwp);	3213	SvREFCNT_dec (*throwp);
		3214	SvGETMAGIC (throw);
3051	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3215	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3052	}	3216	}
3053		3217
3054	void	3218	void
3055	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3219	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
…		…
3107	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3271	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3108		3272
3109	SV *tmp = *src; *src = *dst; *dst = tmp;	3273	SV *tmp = *src; *src = *dst; *dst = tmp;
3110	}	3274	}
3111		3275
		3276	void
		3277	cancel (Coro::State self)
		3278	CODE:
		3279	coro_state_destroy (aTHX_ self);
		3280	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3281
		3282
		3283	SV *
		3284	enable_times (int enabled = enable_times)
		3285	CODE:
		3286	{
		3287	RETVAL = boolSV (enable_times);
		3288
		3289	if (enabled != enable_times)
		3290	{
		3291	enable_times = enabled;
		3292
		3293	coro_times_update ();
		3294	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3295	}
		3296	}
		3297	OUTPUT:
		3298	RETVAL
		3299
		3300	void
		3301	times (Coro::State self)
		3302	PPCODE:
		3303	{
		3304	struct coro *current = SvSTATE (coro_current);
		3305
		3306	if (expect_false (current == self))
		3307	{
		3308	coro_times_update ();
		3309	coro_times_add (SvSTATE (coro_current));
		3310	}
		3311
		3312	EXTEND (SP, 2);
		3313	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3314	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3315
		3316	if (expect_false (current == self))
		3317	coro_times_sub (SvSTATE (coro_current));
		3318	}
3112		3319
3113	MODULE = Coro::State PACKAGE = Coro	3320	MODULE = Coro::State PACKAGE = Coro
3114		3321
3115	BOOT:	3322	BOOT:
3116	{	3323	{
3117	int i;
3118
3119	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3324	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3120	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3325	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3121	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3326	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3122	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3327	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3123	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3328	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3124	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3329	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3125	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3330	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3126	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3331	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
…		…
3131	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3336	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3132	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3337	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3133		3338
3134	coro_stash = gv_stashpv ("Coro", TRUE);	3339	coro_stash = gv_stashpv ("Coro", TRUE);
3135		3340
3136	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3341	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3137	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3342	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3138	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3343	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3139	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3344	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3140	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3345	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3141	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3346	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3142
3143	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3144	coro_ready[i] = newAV ();
3145		3347
3146	{	3348	{
3147	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3349	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3148		3350
3149	coroapi.schedule = api_schedule;	3351	coroapi.schedule = api_schedule;
…		…
3159	sv_setiv (sv, (IV)&coroapi);	3361	sv_setiv (sv, (IV)&coroapi);
3160	SvREADONLY_on (sv);	3362	SvREADONLY_on (sv);
3161	}	3363	}
3162	}	3364	}
3163		3365
		3366	SV *
		3367	async (...)
		3368	PROTOTYPE: &@
		3369	CODE:
		3370	RETVAL = coro_new (coro_stash, &ST (0), items, 1);
		3371	api_ready (RETVAL);
		3372	OUTPUT:
		3373	RETVAL
		3374
3164	void	3375	void
3165	terminate (...)	3376	terminate (...)
3166	CODE:	3377	CODE:
3167	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3378	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3168		3379
…		…
3188		3399
3189	void	3400	void
3190	cede_notself (...)	3401	cede_notself (...)
3191	CODE:	3402	CODE:
3192	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3403	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3193
3194	void
3195	_cancel (Coro::State self)
3196	CODE:
3197	coro_state_destroy (aTHX_ self);
3198	coro_call_on_destroy (aTHX_ self);
3199		3404
3200	void	3405	void
3201	_set_current (SV *current)	3406	_set_current (SV *current)
3202	PROTOTYPE: $	3407	PROTOTYPE: $
3203	CODE:	3408	CODE:
…		…
3207	void	3412	void
3208	_set_readyhook (SV *hook)	3413	_set_readyhook (SV *hook)
3209	PROTOTYPE: $	3414	PROTOTYPE: $
3210	CODE:	3415	CODE:
3211	SvREFCNT_dec (coro_readyhook);	3416	SvREFCNT_dec (coro_readyhook);
		3417	SvGETMAGIC (hook);
		3418	if (SvOK (hook))
		3419	{
3212	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3420	coro_readyhook = newSVsv (hook);
		3421	CORO_READYHOOK = invoke_sv_ready_hook_helper;
		3422	}
		3423	else
		3424	{
		3425	coro_readyhook = 0;
		3426	CORO_READYHOOK = 0;
		3427	}
3213		3428
3214	int	3429	int
3215	prio (Coro::State coro, int newprio = 0)	3430	prio (Coro::State coro, int newprio = 0)
3216	PROTOTYPE: $;$	3431	PROTOTYPE: $;$
3217	ALIAS:	3432	ALIAS:
…		…
3223	if (items > 1)	3438	if (items > 1)
3224	{	3439	{
3225	if (ix)	3440	if (ix)
3226	newprio = coro->prio - newprio;	3441	newprio = coro->prio - newprio;
3227		3442
3228	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3443	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3229	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3444	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3230		3445
3231	coro->prio = newprio;	3446	coro->prio = newprio;
3232	}	3447	}
3233	}	3448	}
3234	OUTPUT:	3449	OUTPUT:
…		…
3247	PROTOTYPE:	3462	PROTOTYPE:
3248	CODE:	3463	CODE:
3249	RETVAL = coro_nready;	3464	RETVAL = coro_nready;
3250	OUTPUT:	3465	OUTPUT:
3251	RETVAL	3466	RETVAL
		3467
		3468	void
		3469	suspend (Coro::State self)
		3470	PROTOTYPE: $
		3471	CODE:
		3472	self->flags |= CF_SUSPENDED;
		3473
		3474	void
		3475	resume (Coro::State self)
		3476	PROTOTYPE: $
		3477	CODE:
		3478	self->flags &= ~CF_SUSPENDED;
3252		3479
3253	void	3480	void
3254	_pool_handler (...)	3481	_pool_handler (...)
3255	CODE:	3482	CODE:
3256	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3483	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3311	rouse_wait (...)	3538	rouse_wait (...)
3312	PROTOTYPE: ;$	3539	PROTOTYPE: ;$
3313	PPCODE:	3540	PPCODE:
3314	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3541	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3315		3542
		3543	void
		3544	on_enter (SV *block)
		3545	ALIAS:
		3546	on_leave = 1
		3547	PROTOTYPE: &
		3548	CODE:
		3549	{
		3550	struct coro *coro = SvSTATE_current;
		3551	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3552
		3553	block = s_get_cv_croak (block);
		3554
		3555	if (!*avp)
		3556	*avp = newAV ();
		3557
		3558	av_push (*avp, SvREFCNT_inc (block));
		3559
		3560	if (!ix)
		3561	on_enterleave_call (aTHX_ block);
		3562
		3563	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3564	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3565	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3566	}
		3567
3316		3568
3317	MODULE = Coro::State PACKAGE = PerlIO::cede	3569	MODULE = Coro::State PACKAGE = PerlIO::cede
3318		3570
3319	BOOT:	3571	BOOT:
3320	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3572	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3323	MODULE = Coro::State PACKAGE = Coro::Semaphore	3575	MODULE = Coro::State PACKAGE = Coro::Semaphore
3324		3576
3325	SV *	3577	SV *
3326	new (SV *klass, SV *count = 0)	3578	new (SV *klass, SV *count = 0)
3327	CODE:	3579	CODE:
		3580	{
		3581	int semcnt = 1;
		3582
		3583	if (count)
		3584	{
		3585	SvGETMAGIC (count);
		3586
		3587	if (SvOK (count))
		3588	semcnt = SvIV (count);
		3589	}
		3590
3328	RETVAL = sv_bless (	3591	RETVAL = sv_bless (
3329	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3592	coro_waitarray_new (aTHX_ semcnt),
3330	GvSTASH (CvGV (cv))	3593	GvSTASH (CvGV (cv))
3331	);	3594	);
		3595	}
3332	OUTPUT:	3596	OUTPUT:
3333	RETVAL	3597	RETVAL
3334		3598
3335	# helper for Coro::Channel	3599	# helper for Coro::Channel and others
3336	SV *	3600	SV *
3337	_alloc (int count)	3601	_alloc (int count)
3338	CODE:	3602	CODE:
3339	RETVAL = coro_waitarray_new (aTHX_ count);	3603	RETVAL = coro_waitarray_new (aTHX_ count);
3340	OUTPUT:	3604	OUTPUT:
…		…
3398	for (i = 1; i <= wcount; ++i)	3662	for (i = 1; i <= wcount; ++i)
3399	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3663	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3400	}	3664	}
3401	}	3665	}
3402		3666
		3667	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3668
		3669	void
		3670	_may_delete (SV *sem, int count, int extra_refs)
		3671	PPCODE:
		3672	{
		3673	AV *av = (AV *)SvRV (sem);
		3674
		3675	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3676	&& AvFILLp (av) == 0 /* no waiters, just count */
		3677	&& SvIV (AvARRAY (av)[0]) == count)
		3678	XSRETURN_YES;
		3679
		3680	XSRETURN_NO;
		3681	}
		3682
3403	MODULE = Coro::State PACKAGE = Coro::Signal	3683	MODULE = Coro::State PACKAGE = Coro::Signal
3404		3684
3405	SV *	3685	SV *
3406	new (SV *klass)	3686	new (SV *klass)
3407	CODE:	3687	CODE:
…		…
3478		3758
3479	void	3759	void
3480	_register (char *target, char *proto, SV *req)	3760	_register (char *target, char *proto, SV *req)
3481	CODE:	3761	CODE:
3482	{	3762	{
3483	CV *req_cv = coro_sv_2cv (aTHX_ req);	3763	SV *req_cv = s_get_cv_croak (req);
3484	/* newXSproto doesn't return the CV on 5.8 */	3764	/* newXSproto doesn't return the CV on 5.8 */
3485	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3765	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3486	sv_setpv ((SV *)slf_cv, proto);	3766	sv_setpv ((SV *)slf_cv, proto);
3487	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3767	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3488	}	3768	}
3489		3769
		3770	MODULE = Coro::State PACKAGE = Coro::Select
		3771
		3772	void
		3773	patch_pp_sselect ()
		3774	CODE:
		3775	if (!coro_old_pp_sselect)
		3776	{
		3777	coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
		3778	coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
		3779	PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
		3780	}
		3781
		3782	void
		3783	unpatch_pp_sselect ()
		3784	CODE:
		3785	if (coro_old_pp_sselect)
		3786	{
		3787	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
		3788	coro_old_pp_sselect = 0;
		3789	}
		3790
		3791

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