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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.395 by root, Fri May 6 07:22:14 2011 UTC vs.
Revision 1.407 by root, Sat Jun 11 15:30:21 2011 UTC

…		…
12	#include "perl.h"	12	#include "perl.h"
13	#include "XSUB.h"	13	#include "XSUB.h"
14	#include "perliol.h"	14	#include "perliol.h"
15		15
16	#include "schmorp.h"	16	#include "schmorp.h"
		17	#include "ecb.h"
17		18
		19	#include <stddef.h>
18	#include <stdio.h>	20	#include <stdio.h>
19	#include <errno.h>	21	#include <errno.h>
20	#include <assert.h>	22	#include <assert.h>
21		23
22	#ifndef SVs_PADSTALE	24	#ifndef SVs_PADSTALE
…		…
86	# define STACKLEVEL ((void *)&stacklevel)	88	# define STACKLEVEL ((void *)&stacklevel)
87	#endif	89	#endif
88		90
89	#define IN_DESTRUCT PL_dirty	91	#define IN_DESTRUCT PL_dirty
90		92
91	#if __GNUC__ >= 3
92	# define attribute(x) __attribute__(x)
93	# define expect(expr,value) __builtin_expect ((expr), (value))
94	# define INLINE static inline
95	#else
96	# define attribute(x)
97	# define expect(expr,value) (expr)
98	# define INLINE static
99	#endif
100
101	#define expect_false(expr) expect ((expr) != 0, 0)
102	#define expect_true(expr) expect ((expr) != 0, 1)
103
104	#define NOINLINE attribute ((noinline))
105
106	#include "CoroAPI.h"	93	#include "CoroAPI.h"
107	#define GCoroAPI (&coroapi) /* very sneaky */	94	#define GCoroAPI (&coroapi) /* very sneaky */
108		95
109	#ifdef USE_ITHREADS	96	#ifdef USE_ITHREADS
110	# if CORO_PTHREAD	97	# if CORO_PTHREAD
111	static void *coro_thx;	98	static void *coro_thx;
112	# endif	99	# endif
113	#endif	100	#endif
		101
		102	/* used in state.h */
		103	#define VAR(name,type) VARx(name, PL_ ## name, type)
114		104
115	#ifdef __linux	105	#ifdef __linux
116	# include <time.h> /* for timespec */	106	# include <time.h> /* for timespec */
117	# include <syscall.h> /* for SYS_* */	107	# include <syscall.h> /* for SYS_* */
118	# ifdef SYS_clock_gettime	108	# ifdef SYS_clock_gettime
…		…
126	static void (*u2time)(pTHX_ UV ret[2]);	116	static void (*u2time)(pTHX_ UV ret[2]);
127		117
128	/* we hijack an hopefully unused CV flag for our purposes */	118	/* we hijack an hopefully unused CV flag for our purposes */
129	#define CVf_SLF 0x4000	119	#define CVf_SLF 0x4000
130	static OP *pp_slf (pTHX);	120	static OP *pp_slf (pTHX);
		121	static void slf_destroy (pTHX_ struct coro *coro);
131		122
132	static U32 cctx_gen;	123	static U32 cctx_gen;
133	static size_t cctx_stacksize = CORO_STACKSIZE;	124	static size_t cctx_stacksize = CORO_STACKSIZE;
134	static struct CoroAPI coroapi;	125	static struct CoroAPI coroapi;
135	static AV *main_mainstack; /* used to differentiate between $main and others */	126	static AV *main_mainstack; /* used to differentiate between $main and others */
…		…
165	static char times_valid;	156	static char times_valid;
166		157
167	static struct coro_cctx *cctx_first;	158	static struct coro_cctx *cctx_first;
168	static int cctx_count, cctx_idle;	159	static int cctx_count, cctx_idle;
169		160
170	enum {	161	enum
		162	{
171	CC_MAPPED = 0x01,	163	CC_MAPPED = 0x01,
172	CC_NOREUSE = 0x02, /* throw this away after tracing */	164	CC_NOREUSE = 0x02, /* throw this away after tracing */
173	CC_TRACE = 0x04,	165	CC_TRACE = 0x04,
174	CC_TRACE_SUB = 0x08, /* trace sub calls */	166	CC_TRACE_SUB = 0x08, /* trace sub calls */
175	CC_TRACE_LINE = 0x10, /* trace each statement */	167	CC_TRACE_LINE = 0x10, /* trace each statement */
…		…
200		192
201	static coro_cctx *cctx_current; /* the currently running cctx */	193	static coro_cctx *cctx_current; /* the currently running cctx */
202		194
203	/*****************************************************************************/	195	/*****************************************************************************/
204		196
		197	static MGVTBL coro_state_vtbl;
		198
205	enum {	199	enum
		200	{
206	CF_RUNNING = 0x0001, /* coroutine is running */	201	CF_RUNNING = 0x0001, /* coroutine is running */
207	CF_READY = 0x0002, /* coroutine is ready */	202	CF_READY = 0x0002, /* coroutine is ready */
208	CF_NEW = 0x0004, /* has never been switched to */	203	CF_NEW = 0x0004, /* has never been switched to */
209	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	204	CF_ZOMBIE = 0x0008, /* coroutine data has been freed */
210	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */	205	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
211	CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */	206	CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */
212	};	207	};
213		208
214	/* the structure where most of the perl state is stored, overlaid on the cxstack */	209	/* the structure where most of the perl state is stored, overlaid on the cxstack */
215	typedef struct	210	typedef struct
216	{	211	{
217	SV *defsv;
218	AV *defav;
219	SV *errsv;
220	SV *irsgv;
221	HV *hinthv;
222	#define VAR(name,type) type name;	212	#define VARx(name,expr,type) type name;
223	# include "state.h"	213	# include "state.h"
224	#undef VAR	214	#undef VARx
225	} perl_slots;	215	} perl_slots;
226		216
		217	// how many context stack entries do we need for perl_slots
227	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))	218	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
228		219
229	/* this is a structure representing a perl-level coroutine */	220	/* this is a structure representing a perl-level coroutine */
230	struct coro {	221	struct coro
		222	{
231	/* the C coroutine allocated to this perl coroutine, if any */	223	/* the C coroutine allocated to this perl coroutine, if any */
232	coro_cctx *cctx;	224	coro_cctx *cctx;
233		225
234	/* ready queue */	226	/* ready queue */
235	struct coro *next_ready;	227	struct coro *next_ready;
…		…
237	/* state data */	229	/* state data */
238	struct CoroSLF slf_frame; /* saved slf frame */	230	struct CoroSLF slf_frame; /* saved slf frame */
239	AV *mainstack;	231	AV *mainstack;
240	perl_slots *slot; /* basically the saved sp */	232	perl_slots *slot; /* basically the saved sp */
241		233
242	CV *startcv; /* the CV to execute */	234	CV *startcv; /* the CV to execute */
243	AV *args; /* data associated with this coroutine (initial args) */	235	AV *args; /* data associated with this coroutine (initial args) */
244	int refcnt; /* coroutines are refcounted, yes */
245	int flags; /* CF_ flags */	236	int flags; /* CF_ flags */
246	HV *hv; /* the perl hash associated with this coro, if any */	237	HV *hv; /* the perl hash associated with this coro, if any */
247	void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
248		238
249	/* statistics */	239	/* statistics */
250	int usecount; /* number of transfers to this coro */	240	int usecount; /* number of transfers to this coro */
251		241
252	/* coro process data */	242	/* coro process data */
253	int prio;	243	int prio;
254	SV *except; /* exception to be thrown */	244	SV *except; /* exception to be thrown */
255	SV *rouse_cb;	245	SV *rouse_cb; /* last rouse callback */
		246	AV *on_destroy; /* callbacks or coros to notify on destroy */
		247	AV *status; /* the exit status list */
256		248
257	/* async_pool */	249	/* async_pool */
258	SV *saved_deffh;	250	SV *saved_deffh;
259	SV *invoke_cb;	251	SV *invoke_cb;
260	AV *invoke_av;	252	AV *invoke_av;
…		…
292		284
293	/* for Coro.pm */	285	/* for Coro.pm */
294	static SV *coro_current;	286	static SV *coro_current;
295	static SV *coro_readyhook;	287	static SV *coro_readyhook;
296	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */	288	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
297	static CV *cv_coro_run, *cv_coro_terminate;	289	static CV *cv_coro_run;
298	static struct coro *coro_first;	290	static struct coro *coro_first;
299	#define coro_nready coroapi.nready	291	#define coro_nready coroapi.nready
		292
		293	/** JIT *********************************************************************/
		294
		295	#if CORO_JIT
		296	#ifndef CORO_JIT_TYPE
		297	#if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris)
		298	#define CORO_JIT_TYPE "amd64-unix"
		299	typedef void (*load_save_perl_slots_type)(perl_slots *);
		300	#elif __i386 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris)
		301	#define CORO_JIT_TYPE "x86-unix"
		302	typedef void (*load_save_perl_slots_type)(perl_slots *);
		303	#else
		304	#undef CORO_JIT
		305	#endif
		306	#endif
		307	#endif
		308
		309	#if CORO_JIT
		310	static load_save_perl_slots_type load_perl_slots, save_perl_slots;
		311	#endif
300		312
301	/** Coro::Select ************************************************************/	313	/** Coro::Select ************************************************************/
302		314
303	static OP *(*coro_old_pp_sselect) (pTHX);	315	static OP *(*coro_old_pp_sselect) (pTHX);
304	static SV *coro_select_select;	316	static SV *coro_select_select;
…		…
320		332
321	/** time stuff **************************************************************/	333	/** time stuff **************************************************************/
322		334
323	#ifdef HAS_GETTIMEOFDAY	335	#ifdef HAS_GETTIMEOFDAY
324		336
325	static void	337	ECB_INLINE void
326	coro_u2time (pTHX_ UV ret[2])	338	coro_u2time (pTHX_ UV ret[2])
327	{	339	{
328	struct timeval tv;	340	struct timeval tv;
329	gettimeofday (&tv, 0);	341	gettimeofday (&tv, 0);
330		342
331	ret [0] = tv.tv_sec;	343	ret [0] = tv.tv_sec;
332	ret [1] = tv.tv_usec;	344	ret [1] = tv.tv_usec;
333	}	345	}
334		346
335	static double	347	ECB_INLINE double
336	coro_nvtime ()	348	coro_nvtime ()
337	{	349	{
338	struct timeval tv;	350	struct timeval tv;
339	gettimeofday (&tv, 0);	351	gettimeofday (&tv, 0);
340		352
341	return tv.tv_sec + tv.tv_usec * 1e-6;	353	return tv.tv_sec + tv.tv_usec * 1e-6;
342	}	354	}
343		355
344	static void	356	ECB_INLINE void
345	time_init (pTHX)	357	time_init (pTHX)
346	{	358	{
347	nvtime = coro_nvtime;	359	nvtime = coro_nvtime;
348	u2time = coro_u2time;	360	u2time = coro_u2time;
349	}	361	}
350		362
351	#else	363	#else
352		364
353	static void	365	ECB_INLINE void
354	time_init (pTHX)	366	time_init (pTHX)
355	{	367	{
356	SV **svp;	368	SV **svp;
357		369
358	require_pv ("Time/HiRes.pm");	370	require_pv ("Time/HiRes.pm");
…		…
370		382
371	#endif	383	#endif
372		384
373	/** lowlevel stuff **********************************************************/	385	/** lowlevel stuff **********************************************************/
374		386
375	static SV *	387	static SV * ecb_noinline
376	coro_get_sv (pTHX_ const char *name, int create)	388	coro_get_sv (pTHX_ const char *name, int create)
377	{	389	{
378	#if PERL_VERSION_ATLEAST (5,10,0)	390	#if PERL_VERSION_ATLEAST (5,10,0)
379	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	391	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
380	get_sv (name, create);	392	get_sv (name, create);
381	#endif	393	#endif
382	return get_sv (name, create);	394	return get_sv (name, create);
383	}	395	}
384		396
385	static AV *	397	static AV * ecb_noinline
386	coro_get_av (pTHX_ const char *name, int create)	398	coro_get_av (pTHX_ const char *name, int create)
387	{	399	{
388	#if PERL_VERSION_ATLEAST (5,10,0)	400	#if PERL_VERSION_ATLEAST (5,10,0)
389	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	401	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
390	get_av (name, create);	402	get_av (name, create);
391	#endif	403	#endif
392	return get_av (name, create);	404	return get_av (name, create);
393	}	405	}
394		406
395	static HV *	407	static HV * ecb_noinline
396	coro_get_hv (pTHX_ const char *name, int create)	408	coro_get_hv (pTHX_ const char *name, int create)
397	{	409	{
398	#if PERL_VERSION_ATLEAST (5,10,0)	410	#if PERL_VERSION_ATLEAST (5,10,0)
399	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	411	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
400	get_hv (name, create);	412	get_hv (name, create);
401	#endif	413	#endif
402	return get_hv (name, create);	414	return get_hv (name, create);
403	}	415	}
404		416
405	INLINE void	417	ECB_INLINE void
406	coro_times_update ()	418	coro_times_update ()
407	{	419	{
408	#ifdef coro_clock_gettime	420	#ifdef coro_clock_gettime
409	struct timespec ts;	421	struct timespec ts;
410		422
…		…
423	time_real [0] = tv [0];	435	time_real [0] = tv [0];
424	time_real [1] = tv [1] * 1000;	436	time_real [1] = tv [1] * 1000;
425	#endif	437	#endif
426	}	438	}
427		439
428	INLINE void	440	ECB_INLINE void
429	coro_times_add (struct coro *c)	441	coro_times_add (struct coro *c)
430	{	442	{
431	c->t_real [1] += time_real [1];	443	c->t_real [1] += time_real [1];
432	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }	444	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
433	c->t_real [0] += time_real [0];	445	c->t_real [0] += time_real [0];
…		…
435	c->t_cpu [1] += time_cpu [1];	447	c->t_cpu [1] += time_cpu [1];
436	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }	448	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
437	c->t_cpu [0] += time_cpu [0];	449	c->t_cpu [0] += time_cpu [0];
438	}	450	}
439		451
440	INLINE void	452	ECB_INLINE void
441	coro_times_sub (struct coro *c)	453	coro_times_sub (struct coro *c)
442	{	454	{
443	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }	455	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
444	c->t_real [1] -= time_real [1];	456	c->t_real [1] -= time_real [1];
445	c->t_real [0] -= time_real [0];	457	c->t_real [0] -= time_real [0];
…		…
453	/* magic glue */	465	/* magic glue */
454		466
455	#define CORO_MAGIC_type_cv 26	467	#define CORO_MAGIC_type_cv 26
456	#define CORO_MAGIC_type_state PERL_MAGIC_ext	468	#define CORO_MAGIC_type_state PERL_MAGIC_ext
457		469
458	#define CORO_MAGIC_NN(sv, type) \	470	#define CORO_MAGIC_NN(sv, type) \
459	(expect_true (SvMAGIC (sv)->mg_type == type) \	471	(ecb_expect_true (SvMAGIC (sv)->mg_type == type) \
460	? SvMAGIC (sv) \	472	? SvMAGIC (sv) \
461	: mg_find (sv, type))	473	: mg_find (sv, type))
462		474
463	#define CORO_MAGIC(sv, type) \	475	#define CORO_MAGIC(sv, type) \
464	(expect_true (SvMAGIC (sv)) \	476	(ecb_expect_true (SvMAGIC (sv)) \
465	? CORO_MAGIC_NN (sv, type) \	477	? CORO_MAGIC_NN (sv, type) \
466	: 0)	478	: 0)
467		479
468	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	480	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
469	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)	481	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
470		482
		483	ECB_INLINE MAGIC *
		484	SvSTATEhv_p (pTHX_ SV *coro)
		485	{
		486	MAGIC *mg;
		487
		488	if (ecb_expect_true (
		489	SvTYPE (coro) == SVt_PVHV
		490	&& (mg = CORO_MAGIC_state (coro))
		491	&& mg->mg_virtual == &coro_state_vtbl
		492	))
		493	return mg;
		494
		495	return 0;
		496	}
		497
471	INLINE struct coro *	498	ECB_INLINE struct coro *
472	SvSTATE_ (pTHX_ SV *coro)	499	SvSTATE_ (pTHX_ SV *coro)
473	{	500	{
474	HV *stash;
475	MAGIC *mg;	501	MAGIC *mg;
476		502
477	if (SvROK (coro))	503	if (SvROK (coro))
478	coro = SvRV (coro);	504	coro = SvRV (coro);
479		505
480	if (expect_false (SvTYPE (coro) != SVt_PVHV))	506	mg = SvSTATEhv_p (aTHX_ coro);
		507	if (!mg)
481	croak ("Coro::State object required");	508	croak ("Coro::State object required");
482		509
483	stash = SvSTASH (coro);
484	if (expect_false (stash != coro_stash && stash != coro_state_stash))
485	{
486	/* very slow, but rare, check */
487	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
488	croak ("Coro::State object required");
489	}
490
491	mg = CORO_MAGIC_state (coro);
492	return (struct coro *)mg->mg_ptr;	510	return (struct coro *)mg->mg_ptr;
493	}	511	}
494		512
495	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	513	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
496		514
…		…
499	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))	517	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
500		518
501	/*****************************************************************************/	519	/*****************************************************************************/
502	/* padlist management and caching */	520	/* padlist management and caching */
503		521
504	static AV *	522	ECB_INLINE AV *
505	coro_derive_padlist (pTHX_ CV *cv)	523	coro_derive_padlist (pTHX_ CV *cv)
506	{	524	{
507	AV *padlist = CvPADLIST (cv);	525	AV *padlist = CvPADLIST (cv);
508	AV *newpadlist, *newpad;	526	AV *newpadlist, *newpad;
509		527
…		…
521	av_store (newpadlist, 1, (SV *)newpad);	539	av_store (newpadlist, 1, (SV *)newpad);
522		540
523	return newpadlist;	541	return newpadlist;
524	}	542	}
525		543
526	static void	544	ECB_INLINE void
527	free_padlist (pTHX_ AV *padlist)	545	free_padlist (pTHX_ AV *padlist)
528	{	546	{
529	/* may be during global destruction */	547	/* may be during global destruction */
530	if (!IN_DESTRUCT)	548	if (!IN_DESTRUCT)
531	{	549	{
…		…
574	0, 0, 0, 0,	592	0, 0, 0, 0,
575	coro_cv_free	593	coro_cv_free
576	};	594	};
577		595
578	/* the next two functions merely cache the padlists */	596	/* the next two functions merely cache the padlists */
579	static void	597	ECB_INLINE void
580	get_padlist (pTHX_ CV *cv)	598	get_padlist (pTHX_ CV *cv)
581	{	599	{
582	MAGIC *mg = CORO_MAGIC_cv (cv);	600	MAGIC *mg = CORO_MAGIC_cv (cv);
583	AV *av;	601	AV *av;
584		602
585	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	603	if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
586	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	604	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
587	else	605	else
588	{	606	{
589	#if CORO_PREFER_PERL_FUNCTIONS	607	#if CORO_PREFER_PERL_FUNCTIONS
590	/* this is probably cleaner? but also slower! */	608	/* this is probably cleaner? but also slower! */
…		…
597	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);	615	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
598	#endif	616	#endif
599	}	617	}
600	}	618	}
601		619
602	static void	620	ECB_INLINE void
603	put_padlist (pTHX_ CV *cv)	621	put_padlist (pTHX_ CV *cv)
604	{	622	{
605	MAGIC *mg = CORO_MAGIC_cv (cv);	623	MAGIC *mg = CORO_MAGIC_cv (cv);
606	AV *av;	624	AV *av;
607		625
608	if (expect_false (!mg))	626	if (ecb_expect_false (!mg))
609	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	627	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
610		628
611	av = (AV *)mg->mg_obj;	629	av = (AV *)mg->mg_obj;
612		630
613	if (expect_false (AvFILLp (av) >= AvMAX (av)))	631	if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
614	av_extend (av, AvFILLp (av) + 1);	632	av_extend (av, AvFILLp (av) + 1);
615		633
616	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	634	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
617	}	635	}
618		636
…		…
663	}	681	}
664	#endif	682	#endif
665	}	683	}
666	}	684	}
667		685
668	#define SWAP_SVS(coro) \	686	#define SWAP_SVS(coro) \
669	if (expect_false ((coro)->swap_sv)) \	687	if (ecb_expect_false ((coro)->swap_sv)) \
670	swap_svs (aTHX_ (coro))	688	swap_svs (aTHX_ (coro))
671		689
672	static void	690	static void
673	on_enterleave_call (pTHX_ SV *cb);	691	on_enterleave_call (pTHX_ SV *cb);
674		692
…		…
678	perl_slots *slot = c->slot;	696	perl_slots *slot = c->slot;
679	c->slot = 0;	697	c->slot = 0;
680		698
681	PL_mainstack = c->mainstack;	699	PL_mainstack = c->mainstack;
682		700
683	GvSV (PL_defgv) = slot->defsv;	701	#if CORO_JIT
684	GvAV (PL_defgv) = slot->defav;	702	load_perl_slots (slot);
685	GvSV (PL_errgv) = slot->errsv;	703	#else
686	GvSV (irsgv) = slot->irsgv;
687	GvHV (PL_hintgv) = slot->hinthv;
688
689	#define VAR(name,type) PL_ ## name = slot->name;	704	#define VARx(name,expr,type) expr = slot->name;
690	# include "state.h"	705	# include "state.h"
691	#undef VAR	706	#undef VARx
		707	#endif
692		708
693	{	709	{
694	dSP;	710	dSP;
695		711
696	CV *cv;	712	CV *cv;
697		713
698	/* now do the ugly restore mess */	714	/* now do the ugly restore mess */
699	while (expect_true (cv = (CV *)POPs))	715	while (ecb_expect_true (cv = (CV *)POPs))
700	{	716	{
701	put_padlist (aTHX_ cv); /* mark this padlist as available */	717	put_padlist (aTHX_ cv); /* mark this padlist as available */
702	CvDEPTH (cv) = PTR2IV (POPs);	718	CvDEPTH (cv) = PTR2IV (POPs);
703	CvPADLIST (cv) = (AV *)POPs;	719	CvPADLIST (cv) = (AV *)POPs;
704	}	720	}
…		…
707	}	723	}
708		724
709	slf_frame = c->slf_frame;	725	slf_frame = c->slf_frame;
710	CORO_THROW = c->except;	726	CORO_THROW = c->except;
711		727
712	if (expect_false (enable_times))	728	if (ecb_expect_false (enable_times))
713	{	729	{
714	if (expect_false (!times_valid))	730	if (ecb_expect_false (!times_valid))
715	coro_times_update ();	731	coro_times_update ();
716		732
717	coro_times_sub (c);	733	coro_times_sub (c);
718	}	734	}
719		735
720	if (expect_false (c->on_enter))	736	if (ecb_expect_false (c->on_enter))
721	{	737	{
722	int i;	738	int i;
723		739
724	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	740	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
725	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	741	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
…		…
731	static void	747	static void
732	save_perl (pTHX_ Coro__State c)	748	save_perl (pTHX_ Coro__State c)
733	{	749	{
734	SWAP_SVS (c);	750	SWAP_SVS (c);
735		751
736	if (expect_false (c->on_leave))	752	if (ecb_expect_false (c->on_leave))
737	{	753	{
738	int i;	754	int i;
739		755
740	for (i = AvFILLp (c->on_leave); i >= 0; --i)	756	for (i = AvFILLp (c->on_leave); i >= 0; --i)
741	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);	757	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
742	}	758	}
743		759
744	times_valid = 0;	760	times_valid = 0;
745		761
746	if (expect_false (enable_times))	762	if (ecb_expect_false (enable_times))
747	{	763	{
748	coro_times_update (); times_valid = 1;	764	coro_times_update (); times_valid = 1;
749	coro_times_add (c);	765	coro_times_add (c);
750	}	766	}
751		767
…		…
765		781
766	XPUSHs (Nullsv);	782	XPUSHs (Nullsv);
767	/* this loop was inspired by pp_caller */	783	/* this loop was inspired by pp_caller */
768	for (;;)	784	for (;;)
769	{	785	{
770	while (expect_true (cxix >= 0))	786	while (ecb_expect_true (cxix >= 0))
771	{	787	{
772	PERL_CONTEXT *cx = &ccstk[cxix--];	788	PERL_CONTEXT *cx = &ccstk[cxix--];
773		789
774	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))	790	if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT))
775	{	791	{
776	CV *cv = cx->blk_sub.cv;	792	CV *cv = cx->blk_sub.cv;
777		793
778	if (expect_true (CvDEPTH (cv)))	794	if (ecb_expect_true (CvDEPTH (cv)))
779	{	795	{
780	EXTEND (SP, 3);	796	EXTEND (SP, 3);
781	PUSHs ((SV *)CvPADLIST (cv));	797	PUSHs ((SV *)CvPADLIST (cv));
782	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));	798	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
783	PUSHs ((SV *)cv);	799	PUSHs ((SV *)cv);
…		…
786	get_padlist (aTHX_ cv);	802	get_padlist (aTHX_ cv);
787	}	803	}
788	}	804	}
789	}	805	}
790		806
791	if (expect_true (top_si->si_type == PERLSI_MAIN))	807	if (ecb_expect_true (top_si->si_type == PERLSI_MAIN))
792	break;	808	break;
793		809
794	top_si = top_si->si_prev;	810	top_si = top_si->si_prev;
795	ccstk = top_si->si_cxstack;	811	ccstk = top_si->si_cxstack;
796	cxix = top_si->si_cxix;	812	cxix = top_si->si_cxix;
…		…
798		814
799	PUTBACK;	815	PUTBACK;
800	}	816	}
801		817
802	/* allocate some space on the context stack for our purposes */	818	/* allocate some space on the context stack for our purposes */
803	/* we manually unroll here, as usually 2 slots is enough */	819	if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max))
804	if (SLOT_COUNT >= 1) CXINC;
805	if (SLOT_COUNT >= 2) CXINC;
806	if (SLOT_COUNT >= 3) CXINC;
807	{	820	{
808	unsigned int i;	821	unsigned int i;
		822
809	for (i = 3; i < SLOT_COUNT; ++i)	823	for (i = 0; i < SLOT_COUNT; ++i)
810	CXINC;	824	CXINC;
811	}	825
812	cxstack_ix -= SLOT_COUNT; /* undo allocation */	826	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		827	}
813		828
814	c->mainstack = PL_mainstack;	829	c->mainstack = PL_mainstack;
815		830
816	{	831	{
817	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	832	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
818		833
819	slot->defav = GvAV (PL_defgv);	834	#if CORO_JIT
820	slot->defsv = DEFSV;	835	save_perl_slots (slot);
821	slot->errsv = ERRSV;	836	#else
822	slot->irsgv = GvSV (irsgv);
823	slot->hinthv = GvHV (PL_hintgv);
824
825	#define VAR(name,type) slot->name = PL_ ## name;	837	#define VARx(name,expr,type) slot->name = expr;
826	# include "state.h"	838	# include "state.h"
827	#undef VAR	839	#undef VARx
		840	#endif
828	}	841	}
829	}	842	}
830		843
831	/*	844	/*
832	* allocate various perl stacks. This is almost an exact copy	845	* allocate various perl stacks. This is almost an exact copy
…		…
838	# define coro_init_stacks(thx) init_stacks ()	851	# define coro_init_stacks(thx) init_stacks ()
839	#else	852	#else
840	static void	853	static void
841	coro_init_stacks (pTHX)	854	coro_init_stacks (pTHX)
842	{	855	{
843	PL_curstackinfo = new_stackinfo(32, 8);	856	PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */
844	PL_curstackinfo->si_type = PERLSI_MAIN;	857	PL_curstackinfo->si_type = PERLSI_MAIN;
845	PL_curstack = PL_curstackinfo->si_stack;	858	PL_curstack = PL_curstackinfo->si_stack;
846	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	859	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
847		860
848	PL_stack_base = AvARRAY(PL_curstack);	861	PL_stack_base = AvARRAY(PL_curstack);
…		…
955	#endif	968	#endif
956		969
957	/*	970	/*
958	* This overrides the default magic get method of %SIG elements.	971	* This overrides the default magic get method of %SIG elements.
959	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	972	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
960	* and instead of trying to save and restore the hash elements, we just provide	973	* and instead of trying to save and restore the hash elements (extremely slow),
961	* readback here.	974	* we just provide our own readback here.
962	*/	975	*/
963	static int	976	static int ecb_cold
964	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	977	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
965	{	978	{
966	const char *s = MgPV_nolen_const (mg);	979	const char *s = MgPV_nolen_const (mg);
967		980
968	if (*s == '_')	981	if (*s == '_')
…		…
980	}	993	}
981		994
982	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	995	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
983	}	996	}
984		997
985	static int	998	static int ecb_cold
986	coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)	999	coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
987	{	1000	{
988	const char *s = MgPV_nolen_const (mg);	1001	const char *s = MgPV_nolen_const (mg);
989		1002
990	if (*s == '_')	1003	if (*s == '_')
…		…
1004	}	1017	}
1005		1018
1006	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;	1019	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1007	}	1020	}
1008		1021
1009	static int	1022	static int ecb_cold
1010	coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)	1023	coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
1011	{	1024	{
1012	const char *s = MgPV_nolen_const (mg);	1025	const char *s = MgPV_nolen_const (mg);
1013		1026
1014	if (*s == '_')	1027	if (*s == '_')
…		…
1049	return 1;	1062	return 1;
1050	}	1063	}
1051		1064
1052	static UNOP init_perl_op;	1065	static UNOP init_perl_op;
1053		1066
1054	static void NOINLINE /* noinline to keep it out of the transfer fast path */	1067	ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1055	init_perl (pTHX_ struct coro *coro)	1068	init_perl (pTHX_ struct coro *coro)
1056	{	1069	{
1057	/*	1070	/*
1058	* emulate part of the perl startup here.	1071	* emulate part of the perl startup here.
1059	*/	1072	*/
…		…
1074	PL_parser = 0;	1087	PL_parser = 0;
1075	#endif	1088	#endif
1076	PL_hints = 0;	1089	PL_hints = 0;
1077		1090
1078	/* recreate the die/warn hooks */	1091	/* recreate the die/warn hooks */
1079	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	1092	PL_diehook = SvREFCNT_inc (rv_diehook);
1080	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	1093	PL_warnhook = SvREFCNT_inc (rv_warnhook);
1081		1094
1082	GvSV (PL_defgv) = newSV (0);	1095	GvSV (PL_defgv) = newSV (0);
1083	GvAV (PL_defgv) = coro->args; coro->args = 0;	1096	GvAV (PL_defgv) = coro->args; coro->args = 0;
1084	GvSV (PL_errgv) = newSV (0);	1097	GvSV (PL_errgv) = newSV (0);
1085	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1098	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
1106	/* this newly created coroutine might be run on an existing cctx which most	1119	/* this newly created coroutine might be run on an existing cctx which most
1107	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	1120	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
1108	*/	1121	*/
1109	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	1122	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
1110	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	1123	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
		1124	slf_frame.destroy = 0;
1111		1125
1112	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	1126	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
1113	init_perl_op.op_next = PL_op;	1127	init_perl_op.op_next = PL_op;
1114	init_perl_op.op_type = OP_ENTERSUB;	1128	init_perl_op.op_type = OP_ENTERSUB;
1115	init_perl_op.op_ppaddr = pp_slf;	1129	init_perl_op.op_ppaddr = pp_slf;
…		…
1120	/* copy throw, in case it was set before init_perl */	1134	/* copy throw, in case it was set before init_perl */
1121	CORO_THROW = coro->except;	1135	CORO_THROW = coro->except;
1122		1136
1123	SWAP_SVS (coro);	1137	SWAP_SVS (coro);
1124		1138
1125	if (expect_false (enable_times))	1139	if (ecb_expect_false (enable_times))
1126	{	1140	{
1127	coro_times_update ();	1141	coro_times_update ();
1128	coro_times_sub (coro);	1142	coro_times_sub (coro);
1129	}	1143	}
1130	}	1144	}
…		…
1154	destroy_perl (pTHX_ struct coro *coro)	1168	destroy_perl (pTHX_ struct coro *coro)
1155	{	1169	{
1156	SV *svf [9];	1170	SV *svf [9];
1157		1171
1158	{	1172	{
		1173	SV *old_current = SvRV (coro_current);
1159	struct coro *current = SvSTATE_current;	1174	struct coro *current = SvSTATE (old_current);
1160		1175
1161	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));	1176	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1162		1177
1163	save_perl (aTHX_ current);	1178	save_perl (aTHX_ current);
		1179
		1180	/* this will cause transfer_check to croak on block*/
1164	/*SvRV_set (coro_current, (SV *)coro->hv);*/	1181	SvRV_set (coro_current, (SV *)coro->hv);
		1182
1165	load_perl (aTHX_ coro);	1183	load_perl (aTHX_ coro);
1166		1184
1167	coro_unwind_stacks (aTHX);	1185	coro_unwind_stacks (aTHX);
1168	coro_destruct_stacks (aTHX);
1169		1186
1170	/* restore swapped sv's */	1187	/* restore swapped sv's */
1171	SWAP_SVS (coro);	1188	SWAP_SVS (coro);
		1189
		1190	coro_destruct_stacks (aTHX);
1172		1191
1173	// now save some sv's to be free'd later	1192	// now save some sv's to be free'd later
1174	svf [0] = GvSV (PL_defgv);	1193	svf [0] = GvSV (PL_defgv);
1175	svf [1] = (SV *)GvAV (PL_defgv);	1194	svf [1] = (SV *)GvAV (PL_defgv);
1176	svf [2] = GvSV (PL_errgv);	1195	svf [2] = GvSV (PL_errgv);
…		…
1180	svf [6] = (SV *)GvHV (PL_hintgv);	1199	svf [6] = (SV *)GvHV (PL_hintgv);
1181	svf [7] = PL_diehook;	1200	svf [7] = PL_diehook;
1182	svf [8] = PL_warnhook;	1201	svf [8] = PL_warnhook;
1183	assert (9 == sizeof (svf) / sizeof (*svf));	1202	assert (9 == sizeof (svf) / sizeof (*svf));
1184		1203
1185	/*SvRV_set (coro_current, (SV *)current->hv);*/	1204	SvRV_set (coro_current, old_current);
		1205
1186	load_perl (aTHX_ current);	1206	load_perl (aTHX_ current);
1187	}	1207	}
1188		1208
1189	{	1209	{
1190	unsigned int i;	1210	unsigned int i;
…		…
1197	SvREFCNT_dec (coro->invoke_cb);	1217	SvREFCNT_dec (coro->invoke_cb);
1198	SvREFCNT_dec (coro->invoke_av);	1218	SvREFCNT_dec (coro->invoke_av);
1199	}	1219	}
1200	}	1220	}
1201		1221
1202	INLINE void	1222	ECB_INLINE void
1203	free_coro_mortal (pTHX)	1223	free_coro_mortal (pTHX)
1204	{	1224	{
1205	if (expect_true (coro_mortal))	1225	if (ecb_expect_true (coro_mortal))
1206	{	1226	{
1207	SvREFCNT_dec (coro_mortal);	1227	SvREFCNT_dec ((SV *)coro_mortal);
1208	coro_mortal = 0;	1228	coro_mortal = 0;
1209	}	1229	}
1210	}	1230	}
1211		1231
1212	static int	1232	static int
…		…
1345		1365
1346	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1366	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1347	}	1367	}
1348		1368
1349	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1369	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1350	static void NOINLINE	1370	static void ecb_noinline
1351	cctx_prepare (pTHX)	1371	cctx_prepare (pTHX)
1352	{	1372	{
1353	PL_top_env = &PL_start_env;	1373	PL_top_env = &PL_start_env;
1354		1374
1355	if (cctx_current->flags & CC_TRACE)	1375	if (cctx_current->flags & CC_TRACE)
…		…
1366	slf_frame.prepare = slf_prepare_set_stacklevel;	1386	slf_frame.prepare = slf_prepare_set_stacklevel;
1367	slf_frame.check = slf_check_set_stacklevel;	1387	slf_frame.check = slf_check_set_stacklevel;
1368	}	1388	}
1369		1389
1370	/* the tail of transfer: execute stuff we can only do after a transfer */	1390	/* the tail of transfer: execute stuff we can only do after a transfer */
1371	INLINE void	1391	ECB_INLINE void
1372	transfer_tail (pTHX)	1392	transfer_tail (pTHX)
1373	{	1393	{
1374	free_coro_mortal (aTHX);	1394	free_coro_mortal (aTHX);
1375	}	1395	}
1376		1396
…		…
1528	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))	1548	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1529		1549
1530	static coro_cctx *	1550	static coro_cctx *
1531	cctx_get (pTHX)	1551	cctx_get (pTHX)
1532	{	1552	{
1533	while (expect_true (cctx_first))	1553	while (ecb_expect_true (cctx_first))
1534	{	1554	{
1535	coro_cctx *cctx = cctx_first;	1555	coro_cctx *cctx = cctx_first;
1536	cctx_first = cctx->next;	1556	cctx_first = cctx->next;
1537	--cctx_idle;	1557	--cctx_idle;
1538		1558
1539	if (expect_true (!CCTX_EXPIRED (cctx)))	1559	if (ecb_expect_true (!CCTX_EXPIRED (cctx)))
1540	return cctx;	1560	return cctx;
1541		1561
1542	cctx_destroy (cctx);	1562	cctx_destroy (cctx);
1543	}	1563	}
1544		1564
…		…
1549	cctx_put (coro_cctx *cctx)	1569	cctx_put (coro_cctx *cctx)
1550	{	1570	{
1551	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));	1571	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));
1552		1572
1553	/* free another cctx if overlimit */	1573	/* free another cctx if overlimit */
1554	if (expect_false (cctx_idle >= cctx_max_idle))	1574	if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1555	{	1575	{
1556	coro_cctx *first = cctx_first;	1576	coro_cctx *first = cctx_first;
1557	cctx_first = first->next;	1577	cctx_first = first->next;
1558	--cctx_idle;	1578	--cctx_idle;
1559		1579
…		…
1570	static void	1590	static void
1571	transfer_check (pTHX_ struct coro *prev, struct coro *next)	1591	transfer_check (pTHX_ struct coro *prev, struct coro *next)
1572	{	1592	{
1573	/* TODO: throwing up here is considered harmful */	1593	/* TODO: throwing up here is considered harmful */
1574		1594
1575	if (expect_true (prev != next))	1595	if (ecb_expect_true (prev != next))
1576	{	1596	{
1577	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1597	if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1578	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");	1598	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1579		1599
1580	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))	1600	if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED)))
1581	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");	1601	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1582		1602
1583	#if !PERL_VERSION_ATLEAST (5,10,0)	1603	#if !PERL_VERSION_ATLEAST (5,10,0)
1584	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1604	if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING))
1585	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1605	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1586	#endif	1606	#endif
1587	}	1607	}
1588	}	1608	}
1589		1609
1590	/* always use the TRANSFER macro */	1610	/* always use the TRANSFER macro */
1591	static void NOINLINE /* noinline so we have a fixed stackframe */	1611	static void ecb_noinline /* noinline so we have a fixed stackframe */
1592	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1612	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1593	{	1613	{
1594	dSTACKLEVEL;	1614	dSTACKLEVEL;
1595		1615
1596	/* sometimes transfer is only called to set idle_sp */	1616	/* sometimes transfer is only called to set idle_sp */
1597	if (expect_false (!prev))	1617	if (ecb_expect_false (!prev))
1598	{	1618	{
1599	cctx_current->idle_sp = STACKLEVEL;	1619	cctx_current->idle_sp = STACKLEVEL;
1600	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1620	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1601	}	1621	}
1602	else if (expect_true (prev != next))	1622	else if (ecb_expect_true (prev != next))
1603	{	1623	{
1604	coro_cctx *cctx_prev;	1624	coro_cctx *cctx_prev;
1605		1625
1606	if (expect_false (prev->flags & CF_NEW))	1626	if (ecb_expect_false (prev->flags & CF_NEW))
1607	{	1627	{
1608	/* create a new empty/source context */	1628	/* create a new empty/source context */
1609	prev->flags &= ~CF_NEW;	1629	prev->flags &= ~CF_NEW;
1610	prev->flags |= CF_RUNNING;	1630	prev->flags |= CF_RUNNING;
1611	}	1631	}
…		…
1614	next->flags |= CF_RUNNING;	1634	next->flags |= CF_RUNNING;
1615		1635
1616	/* first get rid of the old state */	1636	/* first get rid of the old state */
1617	save_perl (aTHX_ prev);	1637	save_perl (aTHX_ prev);
1618		1638
1619	if (expect_false (next->flags & CF_NEW))	1639	if (ecb_expect_false (next->flags & CF_NEW))
1620	{	1640	{
1621	/* need to start coroutine */	1641	/* need to start coroutine */
1622	next->flags &= ~CF_NEW;	1642	next->flags &= ~CF_NEW;
1623	/* setup coroutine call */	1643	/* setup coroutine call */
1624	init_perl (aTHX_ next);	1644	init_perl (aTHX_ next);
1625	}	1645	}
1626	else	1646	else
1627	load_perl (aTHX_ next);	1647	load_perl (aTHX_ next);
1628		1648
1629	/* possibly untie and reuse the cctx */	1649	/* possibly untie and reuse the cctx */
1630	if (expect_true (	1650	if (ecb_expect_true (
1631	cctx_current->idle_sp == STACKLEVEL	1651	cctx_current->idle_sp == STACKLEVEL
1632	&& !(cctx_current->flags & CC_TRACE)	1652	&& !(cctx_current->flags & CC_TRACE)
1633	&& !force_cctx	1653	&& !force_cctx
1634	))	1654	))
1635	{	1655	{
1636	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1656	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1637	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));	1657	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1638		1658
1639	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */	1659	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1640	/* without this the next cctx_get might destroy the running cctx while still in use */	1660	/* without this the next cctx_get might destroy the running cctx while still in use */
1641	if (expect_false (CCTX_EXPIRED (cctx_current)))	1661	if (ecb_expect_false (CCTX_EXPIRED (cctx_current)))
1642	if (expect_true (!next->cctx))	1662	if (ecb_expect_true (!next->cctx))
1643	next->cctx = cctx_get (aTHX);	1663	next->cctx = cctx_get (aTHX);
1644		1664
1645	cctx_put (cctx_current);	1665	cctx_put (cctx_current);
1646	}	1666	}
1647	else	1667	else
1648	prev->cctx = cctx_current;	1668	prev->cctx = cctx_current;
1649		1669
1650	++next->usecount;	1670	++next->usecount;
1651		1671
1652	cctx_prev = cctx_current;	1672	cctx_prev = cctx_current;
1653	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);	1673	cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1654		1674
1655	next->cctx = 0;	1675	next->cctx = 0;
1656		1676
1657	if (expect_false (cctx_prev != cctx_current))	1677	if (ecb_expect_false (cctx_prev != cctx_current))
1658	{	1678	{
1659	cctx_prev->top_env = PL_top_env;	1679	cctx_prev->top_env = PL_top_env;
1660	PL_top_env = cctx_current->top_env;	1680	PL_top_env = cctx_current->top_env;
1661	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);	1681	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1662	}	1682	}
…		…
1668	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))	1688	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1669	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1689	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1670		1690
1671	/** high level stuff ********************************************************/	1691	/** high level stuff ********************************************************/
1672		1692
		1693	/* this function is actually Coro, not Coro::State, but we call it from here */
		1694	/* because it is convenient - but it hasn't been declared yet for that reason */
		1695	static void
		1696	coro_call_on_destroy (pTHX_ struct coro *coro);
		1697
1673	static void	1698	static void
1674	coro_state_destroy (pTHX_ struct coro *coro)	1699	coro_state_destroy (pTHX_ struct coro *coro)
1675	{	1700	{
1676	if (coro->flags & CF_DESTROYED)	1701	if (coro->flags & CF_ZOMBIE)
1677	return;	1702	return;
1678		1703
1679	/* this callback is reserved for slf functions needing to do cleanup */
1680	if (coro->on_destroy && !PL_dirty)
1681	coro->on_destroy (aTHX_ coro);	1704	slf_destroy (aTHX_ coro);
1682		1705
1683	/*
1684	* The on_destroy above most likely is from an SLF call.
1685	* Since by definition the SLF call will not finish when we destroy
1686	* the coro, we will have to force-finish it here, otherwise
1687	* cleanup functions cannot call SLF functions.
1688	*/
1689	coro->slf_frame.prepare = 0;
1690
1691	coro->flags |= CF_DESTROYED;	1706	coro->flags |= CF_ZOMBIE;
1692		1707
1693	if (coro->flags & CF_READY)	1708	if (coro->flags & CF_READY)
1694	{	1709	{
1695	/* reduce nready, as destroying a ready coro effectively unreadies it */	1710	/* reduce nready, as destroying a ready coro effectively unreadies it */
1696	/* alternative: look through all ready queues and remove the coro */	1711	/* alternative: look through all ready queues and remove the coro */
1697	--coro_nready;	1712	--coro_nready;
1698	}	1713	}
1699	else	1714	else
1700	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1715	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
		1716
		1717	if (coro->next) coro->next->prev = coro->prev;
		1718	if (coro->prev) coro->prev->next = coro->next;
		1719	if (coro == coro_first) coro_first = coro->next;
1701		1720
1702	if (coro->mainstack	1721	if (coro->mainstack
1703	&& coro->mainstack != main_mainstack	1722	&& coro->mainstack != main_mainstack
1704	&& coro->slot	1723	&& coro->slot
1705	&& !PL_dirty)	1724	&& !PL_dirty)
1706	destroy_perl (aTHX_ coro);	1725	destroy_perl (aTHX_ coro);
1707		1726
1708	if (coro->next) coro->next->prev = coro->prev;
1709	if (coro->prev) coro->prev->next = coro->next;
1710	if (coro == coro_first) coro_first = coro->next;
1711
1712	cctx_destroy (coro->cctx);	1727	cctx_destroy (coro->cctx);
1713	SvREFCNT_dec (coro->startcv);	1728	SvREFCNT_dec (coro->startcv);
1714	SvREFCNT_dec (coro->args);	1729	SvREFCNT_dec (coro->args);
1715	SvREFCNT_dec (coro->swap_sv);	1730	SvREFCNT_dec (coro->swap_sv);
1716	SvREFCNT_dec (CORO_THROW);	1731	SvREFCNT_dec (CORO_THROW);
		1732
		1733	coro_call_on_destroy (aTHX_ coro);
		1734
		1735	/* more destruction mayhem in coro_state_free */
1717	}	1736	}
1718		1737
1719	static int	1738	static int
1720	coro_state_free (pTHX_ SV *sv, MAGIC *mg)	1739	coro_state_free (pTHX_ SV *sv, MAGIC *mg)
1721	{	1740	{
1722	struct coro *coro = (struct coro *)mg->mg_ptr;	1741	struct coro *coro = (struct coro *)mg->mg_ptr;
1723	mg->mg_ptr = 0;	1742	mg->mg_ptr = 0;
1724		1743
1725	coro->hv = 0;
1726
1727	if (--coro->refcnt < 0)
1728	{
1729	coro_state_destroy (aTHX_ coro);	1744	coro_state_destroy (aTHX_ coro);
		1745	SvREFCNT_dec (coro->on_destroy);
		1746	SvREFCNT_dec (coro->status);
		1747
1730	Safefree (coro);	1748	Safefree (coro);
1731	}
1732		1749
1733	return 0;	1750	return 0;
1734	}	1751	}
1735		1752
1736	static int	1753	static int ecb_cold
1737	coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)	1754	coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)
1738	{	1755	{
1739	struct coro *coro = (struct coro *)mg->mg_ptr;	1756	/* called when perl clones the current process the slow way (windows process emulation) */
1740		1757	/* WE SIMply nuke the pointers in the copy, causing perl to croak */
1741	++coro->refcnt;	1758	mg->mg_ptr = 0;
		1759	mg->mg_virtual = 0;
1742		1760
1743	return 0;	1761	return 0;
1744	}	1762	}
1745		1763
1746	static MGVTBL coro_state_vtbl = {	1764	static MGVTBL coro_state_vtbl = {
…		…
1771	TRANSFER (ta, 1);	1789	TRANSFER (ta, 1);
1772	}	1790	}
1773		1791
1774	/** Coro ********************************************************************/	1792	/** Coro ********************************************************************/
1775		1793
1776	INLINE void	1794	ECB_INLINE void
1777	coro_enq (pTHX_ struct coro *coro)	1795	coro_enq (pTHX_ struct coro *coro)
1778	{	1796	{
1779	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];	1797	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1780		1798
1781	SvREFCNT_inc_NN (coro->hv);	1799	SvREFCNT_inc_NN (coro->hv);
…		…
1783	coro->next_ready = 0;	1801	coro->next_ready = 0;
1784	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;	1802	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1785	ready [1] = coro;	1803	ready [1] = coro;
1786	}	1804	}
1787		1805
1788	INLINE struct coro *	1806	ECB_INLINE struct coro *
1789	coro_deq (pTHX)	1807	coro_deq (pTHX)
1790	{	1808	{
1791	int prio;	1809	int prio;
1792		1810
1793	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )	1811	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
…		…
1846	{	1864	{
1847	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1865	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1848	}	1866	}
1849		1867
1850	/* expects to own a reference to next->hv */	1868	/* expects to own a reference to next->hv */
1851	INLINE void	1869	ECB_INLINE void
1852	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)	1870	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1853	{	1871	{
1854	SV *prev_sv = SvRV (coro_current);	1872	SV *prev_sv = SvRV (coro_current);
1855		1873
1856	ta->prev = SvSTATE_hv (prev_sv);	1874	ta->prev = SvSTATE_hv (prev_sv);
…		…
1869	{	1887	{
1870	for (;;)	1888	for (;;)
1871	{	1889	{
1872	struct coro *next = coro_deq (aTHX);	1890	struct coro *next = coro_deq (aTHX);
1873		1891
1874	if (expect_true (next))	1892	if (ecb_expect_true (next))
1875	{	1893	{
1876	/* cannot transfer to destroyed coros, skip and look for next */	1894	/* cannot transfer to destroyed coros, skip and look for next */
1877	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))	1895	if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED)))
1878	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */	1896	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1879	else	1897	else
1880	{	1898	{
1881	next->flags &= ~CF_READY;	1899	next->flags &= ~CF_READY;
1882	--coro_nready;	1900	--coro_nready;
…		…
1915	}	1933	}
1916	}	1934	}
1917	}	1935	}
1918	}	1936	}
1919		1937
1920	INLINE void	1938	ECB_INLINE void
1921	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1939	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1922	{	1940	{
1923	api_ready (aTHX_ coro_current);	1941	api_ready (aTHX_ coro_current);
1924	prepare_schedule (aTHX_ ta);	1942	prepare_schedule (aTHX_ ta);
1925	}	1943	}
1926		1944
1927	INLINE void	1945	ECB_INLINE void
1928	prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)	1946	prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1929	{	1947	{
1930	SV *prev = SvRV (coro_current);	1948	SV *prev = SvRV (coro_current);
1931		1949
1932	if (coro_nready)	1950	if (coro_nready)
…		…
1962	{	1980	{
1963	struct coro_transfer_args ta;	1981	struct coro_transfer_args ta;
1964		1982
1965	prepare_cede (aTHX_ &ta);	1983	prepare_cede (aTHX_ &ta);
1966		1984
1967	if (expect_true (ta.prev != ta.next))	1985	if (ecb_expect_true (ta.prev != ta.next))
1968	{	1986	{
1969	TRANSFER (ta, 1);	1987	TRANSFER (ta, 1);
1970	return 1;	1988	return 1;
1971	}	1989	}
1972	else	1990	else
…		…
2015	coro->slot->runops = RUNOPS_DEFAULT;	2033	coro->slot->runops = RUNOPS_DEFAULT;
2016	}	2034	}
2017	}	2035	}
2018		2036
2019	static void	2037	static void
		2038	coro_push_av (pTHX_ AV *av, I32 gimme_v)
		2039	{
		2040	if (AvFILLp (av) >= 0 && gimme_v != G_VOID)
		2041	{
		2042	dSP;
		2043
		2044	if (gimme_v == G_SCALAR)
		2045	XPUSHs (AvARRAY (av)[AvFILLp (av)]);
		2046	else
		2047	{
		2048	int i;
		2049	EXTEND (SP, AvFILLp (av) + 1);
		2050
		2051	for (i = 0; i <= AvFILLp (av); ++i)
		2052	PUSHs (AvARRAY (av)[i]);
		2053	}
		2054
		2055	PUTBACK;
		2056	}
		2057	}
		2058
		2059	static void
		2060	coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb)
		2061	{
		2062	if (!coro->on_destroy)
		2063	coro->on_destroy = newAV ();
		2064
		2065	av_push (coro->on_destroy, cb);
		2066	}
		2067
		2068	static void
		2069	slf_destroy_join (pTHX_ struct CoroSLF *frame)
		2070	{
		2071	SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv);
		2072	}
		2073
		2074	static int
		2075	slf_check_join (pTHX_ struct CoroSLF *frame)
		2076	{
		2077	struct coro *coro = (struct coro *)frame->data;
		2078
		2079	if (!coro->status)
		2080	return 1;
		2081
		2082	frame->destroy = 0;
		2083
		2084	coro_push_av (aTHX_ coro->status, GIMME_V);
		2085
		2086	SvREFCNT_dec ((SV *)coro->hv);
		2087
		2088	return 0;
		2089	}
		2090
		2091	static void
		2092	slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2093	{
		2094	struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef);
		2095
		2096	if (items > 1)
		2097	croak ("join called with too many arguments");
		2098
		2099	if (coro->status)
		2100	frame->prepare = prepare_nop;
		2101	else
		2102	{
		2103	coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current)));
		2104	frame->prepare = prepare_schedule;
		2105	}
		2106
		2107	frame->check = slf_check_join;
		2108	frame->destroy = slf_destroy_join;
		2109	frame->data = (void *)coro;
		2110	SvREFCNT_inc (coro->hv);
		2111	}
		2112
		2113	static void
2020	coro_call_on_destroy (pTHX_ struct coro *coro)	2114	coro_call_on_destroy (pTHX_ struct coro *coro)
2021	{	2115	{
2022	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);	2116	AV *od = coro->on_destroy;
2023		2117
2024	if (on_destroyp)	2118	if (!od)
2025	{	2119	return;
2026	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
2027	AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp)));
2028	AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0;
2029		2120
2030	while (AvFILLp (on_destroy) >= 0)	2121	while (AvFILLp (od) >= 0)
		2122	{
		2123	SV *cb = sv_2mortal (av_pop (od));
		2124
		2125	/* coro hv's (and only hv's at the moment) are supported as well */
		2126	if (SvSTATEhv_p (aTHX_ cb))
		2127	api_ready (aTHX_ cb);
		2128	else
2031	{	2129	{
2032	dSP; /* don't disturb outer sp */	2130	dSP; /* don't disturb outer sp */
2033	SV *cb = av_pop (on_destroy);
2034
2035	PUSHMARK (SP);	2131	PUSHMARK (SP);
2036		2132
2037	if (statusp)	2133	if (coro->status)
2038	{	2134	{
2039	int i;	2135	PUTBACK;
2040	EXTEND (SP, AvFILLp (status) + 1);	2136	coro_push_av (aTHX_ coro->status, G_ARRAY);
2041		2137	SPAGAIN;
2042	for (i = 0; i <= AvFILLp (status); ++i)
2043	PUSHs (AvARRAY (status)[i]);
2044	}	2138	}
2045		2139
2046	PUTBACK;	2140	PUTBACK;
2047	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);	2141	call_sv (cb, G_VOID | G_DISCARD);
2048	}	2142	}
2049	}	2143	}
2050	}	2144	}
2051		2145
2052	static void	2146	static void
2053	coro_set_status (HV *coro_hv, SV **arg, int items)	2147	coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2054	{	2148	{
2055	AV *av = newAV ();	2149	AV *av;
		2150
		2151	if (coro->status)
		2152	{
		2153	av = coro->status;
		2154	av_clear (av);
		2155	}
		2156	else
		2157	av = coro->status = newAV ();
2056		2158
2057	/* items are actually not so common, so optimise for this case */	2159	/* items are actually not so common, so optimise for this case */
2058	if (items)	2160	if (items)
2059	{	2161	{
2060	int i;	2162	int i;
…		…
2062	av_extend (av, items - 1);	2164	av_extend (av, items - 1);
2063		2165
2064	for (i = 0; i < items; ++i)	2166	for (i = 0; i < items; ++i)
2065	av_push (av, SvREFCNT_inc_NN (arg [i]));	2167	av_push (av, SvREFCNT_inc_NN (arg [i]));
2066	}	2168	}
2067
2068	hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
2069	}	2169	}
2070		2170
2071	static void	2171	static void
2072	slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)	2172	slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)
2073	{	2173	{
…		…
2085	static void	2185	static void
2086	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2186	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2087	{	2187	{
2088	HV *coro_hv = (HV *)SvRV (coro_current);	2188	HV *coro_hv = (HV *)SvRV (coro_current);
2089		2189
2090	coro_set_status (coro_hv, arg, items);	2190	coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items);
2091	slf_init_terminate_cancel_common (frame, coro_hv);	2191	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2092	}	2192	}
2093		2193
2094	static void	2194	static void
2095	slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2195	slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2096	{	2196	{
…		…
2101	croak ("Coro::cancel called without coro object,");	2201	croak ("Coro::cancel called without coro object,");
2102		2202
2103	coro = SvSTATE (arg [0]);	2203	coro = SvSTATE (arg [0]);
2104	coro_hv = coro->hv;	2204	coro_hv = coro->hv;
2105		2205
2106	coro_set_status (coro_hv, arg + 1, items - 1);	2206	coro_set_status (aTHX_ coro, arg + 1, items - 1);
2107		2207
2108	if (expect_false (coro->flags & CF_NOCANCEL))	2208	if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2109	{	2209	{
2110	/* coro currently busy cancelling something, so just notify it */	2210	/* coro currently busy cancelling something, so just notify it */
2111	coro->slf_frame.data = (void *)coro;	2211	coro->slf_frame.data = (void *)coro;
2112		2212
2113	frame->prepare = prepare_nop;	2213	frame->prepare = prepare_nop;
2114	frame->check = slf_check_nop;	2214	frame->check = slf_check_nop;
2115	}	2215	}
2116	else if (coro_hv == (HV *)SvRV (coro_current))	2216	else if (coro_hv == (HV *)SvRV (coro_current))
2117	{	2217	{
2118	/* cancelling the current coro is allowed, and equals terminate */	2218	/* cancelling the current coro is allowed, and equals terminate */
2119	slf_init_terminate_cancel_common (frame, coro_hv);	2219	slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2120	}	2220	}
2121	else	2221	else
2122	{	2222	{
2123	struct coro *self = SvSTATE_current;	2223	struct coro *self = SvSTATE_current;
2124		2224
…		…
2128	* this is ugly, and hopefully fully worth the extra speed.	2228	* this is ugly, and hopefully fully worth the extra speed.
2129	* besides, I can't get the slow-but-safe version working...	2229	* besides, I can't get the slow-but-safe version working...
2130	*/	2230	*/
2131	slf_frame.data = 0;	2231	slf_frame.data = 0;
2132	self->flags |= CF_NOCANCEL;	2232	self->flags |= CF_NOCANCEL;
2133
2134	coro_state_destroy (aTHX_ coro);	2233	coro_state_destroy (aTHX_ coro);
2135	coro_call_on_destroy (aTHX_ coro);
2136
2137	self->flags &= ~CF_NOCANCEL;	2234	self->flags &= ~CF_NOCANCEL;
2138		2235
2139	if (slf_frame.data)	2236	if (slf_frame.data)
2140	{	2237	{
2141	/* while we were busy we have been cancelled, so terminate */	2238	/* while we were busy we have been cancelled, so terminate */
2142	slf_init_terminate_cancel_common (frame, self->hv);	2239	slf_init_terminate_cancel_common (aTHX_ frame, self->hv);
2143	}	2240	}
2144	else	2241	else
2145	{	2242	{
2146	frame->prepare = prepare_nop;	2243	frame->prepare = prepare_nop;
2147	frame->check = slf_check_nop;	2244	frame->check = slf_check_nop;
2148	}	2245	}
2149	}	2246	}
2150	}	2247	}
2151		2248
		2249	static int
		2250	slf_check_safe_cancel (pTHX_ struct CoroSLF *frame)
		2251	{
		2252	frame->prepare = 0;
		2253	coro_unwind_stacks (aTHX);
		2254
		2255	slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current));
		2256
		2257	return 1;
		2258	}
		2259
		2260	static int
		2261	safe_cancel (pTHX_ struct coro *coro, SV **arg, int items)
		2262	{
		2263	if (coro->cctx)
		2264	croak ("coro inside C callback, unable to cancel at this time, caught");
		2265
		2266	if (coro->flags & CF_NEW)
		2267	{
		2268	coro_set_status (aTHX_ coro, arg, items);
		2269	coro_state_destroy (aTHX_ coro);
		2270	}
		2271	else
		2272	{
		2273	if (!coro->slf_frame.prepare)
		2274	croak ("coro outside an SLF function, unable to cancel at this time, caught");
		2275
		2276	slf_destroy (aTHX_ coro);
		2277
		2278	coro_set_status (aTHX_ coro, arg, items);
		2279	coro->slf_frame.prepare = prepare_nop;
		2280	coro->slf_frame.check = slf_check_safe_cancel;
		2281
		2282	api_ready (aTHX_ (SV *)coro->hv);
		2283	}
		2284
		2285	return 1;
		2286	}
		2287
2152	/*****************************************************************************/	2288	/*****************************************************************************/
2153	/* async pool handler */	2289	/* async pool handler */
2154		2290
2155	static int	2291	static int
2156	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)	2292	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
…		…
2185	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2321	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2186	{	2322	{
2187	HV *hv = (HV *)SvRV (coro_current);	2323	HV *hv = (HV *)SvRV (coro_current);
2188	struct coro *coro = SvSTATE_hv ((SV *)hv);	2324	struct coro *coro = SvSTATE_hv ((SV *)hv);
2189		2325
2190	if (expect_true (coro->saved_deffh))	2326	if (ecb_expect_true (coro->saved_deffh))
2191	{	2327	{
2192	/* subsequent iteration */	2328	/* subsequent iteration */
2193	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	2329	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2194	coro->saved_deffh = 0;	2330	coro->saved_deffh = 0;
2195		2331
2196	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)	2332	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2197	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2333	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2198	{	2334	{
2199	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);	2335	slf_init_terminate_cancel_common (aTHX_ frame, hv);
2200	coro->invoke_av = newAV ();	2336	return;
2201
2202	frame->prepare = prepare_nop;
2203	}	2337	}
2204	else	2338	else
2205	{	2339	{
2206	av_clear (GvAV (PL_defgv));	2340	av_clear (GvAV (PL_defgv));
2207	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);	2341	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
…		…
2430	static void	2564	static void
2431	slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2565	slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2432	{	2566	{
2433	frame->prepare = prepare_cede_notself;	2567	frame->prepare = prepare_cede_notself;
2434	frame->check = slf_check_nop;	2568	frame->check = slf_check_nop;
		2569	}
		2570
		2571	/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
		2572	static void
		2573	slf_destroy (pTHX_ struct coro *coro)
		2574	{
		2575	/* this callback is reserved for slf functions needing to do cleanup */
		2576	if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
		2577	coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
		2578
		2579	/*
		2580	* The on_destroy above most likely is from an SLF call.
		2581	* Since by definition the SLF call will not finish when we destroy
		2582	* the coro, we will have to force-finish it here, otherwise
		2583	* cleanup functions cannot call SLF functions.
		2584	*/
		2585	coro->slf_frame.prepare = 0;
2435	}	2586	}
2436		2587
2437	/*	2588	/*
2438	* these not obviously related functions are all rolled into one	2589	* these not obviously related functions are all rolled into one
2439	* function to increase chances that they all will call transfer with the same	2590	* function to increase chances that they all will call transfer with the same
…		…
2446	I32 checkmark; /* mark SP to see how many elements check has pushed */	2597	I32 checkmark; /* mark SP to see how many elements check has pushed */
2447		2598
2448	/* set up the slf frame, unless it has already been set-up */	2599	/* set up the slf frame, unless it has already been set-up */
2449	/* the latter happens when a new coro has been started */	2600	/* the latter happens when a new coro has been started */
2450	/* or when a new cctx was attached to an existing coroutine */	2601	/* or when a new cctx was attached to an existing coroutine */
2451	if (expect_true (!slf_frame.prepare))	2602	if (ecb_expect_true (!slf_frame.prepare))
2452	{	2603	{
2453	/* first iteration */	2604	/* first iteration */
2454	dSP;	2605	dSP;
2455	SV **arg = PL_stack_base + TOPMARK + 1;	2606	SV **arg = PL_stack_base + TOPMARK + 1;
2456	int items = SP - arg; /* args without function object */	2607	int items = SP - arg; /* args without function object */
…		…
2497	while (slf_frame.check (aTHX_ &slf_frame));	2648	while (slf_frame.check (aTHX_ &slf_frame));
2498		2649
2499	slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */	2650	slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
2500		2651
2501	/* exception handling */	2652	/* exception handling */
2502	if (expect_false (CORO_THROW))	2653	if (ecb_expect_false (CORO_THROW))
2503	{	2654	{
2504	SV *exception = sv_2mortal (CORO_THROW);	2655	SV *exception = sv_2mortal (CORO_THROW);
2505		2656
2506	CORO_THROW = 0;	2657	CORO_THROW = 0;
2507	sv_setsv (ERRSV, exception);	2658	sv_setsv (ERRSV, exception);
2508	croak (0);	2659	croak (0);
2509	}	2660	}
2510		2661
2511	/* return value handling - mostly like entersub */	2662	/* return value handling - mostly like entersub */
2512	/* make sure we put something on the stack in scalar context */	2663	/* make sure we put something on the stack in scalar context */
2513	if (GIMME_V == G_SCALAR)	2664	if (GIMME_V == G_SCALAR
		2665	&& ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1))
2514	{	2666	{
2515	dSP;	2667	dSP;
2516	SV **bot = PL_stack_base + checkmark;	2668	SV **bot = PL_stack_base + checkmark;
2517		2669
2518	if (sp == bot) /* too few, push undef */	2670	if (sp == bot) /* too few, push undef */
2519	bot [1] = &PL_sv_undef;	2671	bot [1] = &PL_sv_undef;
2520	else if (sp != bot + 1) /* too many, take last one */	2672	else /* too many, take last one */
2521	bot [1] = *sp;	2673	bot [1] = *sp;
2522		2674
2523	SP = bot + 1;	2675	SP = bot + 1;
2524		2676
2525	PUTBACK;	2677	PUTBACK;
…		…
2632	{	2784	{
2633	PerlIOBuf base;	2785	PerlIOBuf base;
2634	NV next, every;	2786	NV next, every;
2635	} PerlIOCede;	2787	} PerlIOCede;
2636		2788
2637	static IV	2789	static IV ecb_cold
2638	PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)	2790	PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
2639	{	2791	{
2640	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);	2792	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2641		2793
2642	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;	2794	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
2643	self->next = nvtime () + self->every;	2795	self->next = nvtime () + self->every;
2644		2796
2645	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);	2797	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
2646	}	2798	}
2647		2799
2648	static SV *	2800	static SV * ecb_cold
2649	PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)	2801	PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
2650	{	2802	{
2651	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);	2803	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2652		2804
2653	return newSVnv (self->every);	2805	return newSVnv (self->every);
…		…
2765	SvREFCNT_dec (cb);	2917	SvREFCNT_dec (cb);
2766	}	2918	}
2767	}	2919	}
2768		2920
2769	static void	2921	static void
2770	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2922	coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
2771	{	2923	{
2772	/* call $sem->adjust (0) to possibly wake up some other waiters */	2924	/* call $sem->adjust (0) to possibly wake up some other waiters */
2773	coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0);	2925	coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0);
2774	}	2926	}
2775		2927
2776	static int	2928	static int
2777	slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)	2929	slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2778	{	2930	{
2779	AV *av = (AV *)frame->data;	2931	AV *av = (AV *)frame->data;
2780	SV *count_sv = AvARRAY (av)[0];	2932	SV *count_sv = AvARRAY (av)[0];
		2933	SV *coro_hv = SvRV (coro_current);
2781		2934
2782	/* if we are about to throw, don't actually acquire the lock, just throw */	2935	/* if we are about to throw, don't actually acquire the lock, just throw */
2783	if (CORO_THROW)	2936	if (CORO_THROW)
2784	return 0;	2937	return 0;
2785	else if (SvIVX (count_sv) > 0)	2938	else if (SvIVX (count_sv) > 0)
2786	{	2939	{
2787	SvSTATE_current->on_destroy = 0;	2940	frame->destroy = 0;
2788		2941
2789	if (acquire)	2942	if (acquire)
2790	SvIVX (count_sv) = SvIVX (count_sv) - 1;	2943	SvIVX (count_sv) = SvIVX (count_sv) - 1;
2791	else	2944	else
2792	coro_semaphore_adjust (aTHX_ av, 0);	2945	coro_semaphore_adjust (aTHX_ av, 0);
…		…
2797	{	2950	{
2798	int i;	2951	int i;
2799	/* if we were woken up but can't down, we look through the whole */	2952	/* if we were woken up but can't down, we look through the whole */
2800	/* waiters list and only add us if we aren't in there already */	2953	/* waiters list and only add us if we aren't in there already */
2801	/* this avoids some degenerate memory usage cases */	2954	/* this avoids some degenerate memory usage cases */
2802		2955	for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug
2803	for (i = 1; i <= AvFILLp (av); ++i)
2804	if (AvARRAY (av)[i] == SvRV (coro_current))	2956	if (AvARRAY (av)[i] == coro_hv)
2805	return 1;	2957	return 1;
2806		2958
2807	av_push (av, SvREFCNT_inc (SvRV (coro_current)));	2959	av_push (av, SvREFCNT_inc (coro_hv));
2808	return 1;	2960	return 1;
2809	}	2961	}
2810	}	2962	}
2811		2963
2812	static int	2964	static int
…		…
2835	{	2987	{
2836	av_push (av, SvREFCNT_inc (SvRV (coro_current)));	2988	av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2837		2989
2838	frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));	2990	frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2839	frame->prepare = prepare_schedule;	2991	frame->prepare = prepare_schedule;
2840
2841	/* to avoid race conditions when a woken-up coro gets terminated */	2992	/* to avoid race conditions when a woken-up coro gets terminated */
2842	/* we arrange for a temporary on_destroy that calls adjust (0) */	2993	/* we arrange for a temporary on_destroy that calls adjust (0) */
2843	SvSTATE_current->on_destroy = coro_semaphore_on_destroy;	2994	frame->destroy = coro_semaphore_destroy;
2844	}	2995	}
2845	}	2996	}
2846		2997
2847	static void	2998	static void
2848	slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2999	slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
…		…
3066	dSP;	3217	dSP;
3067		3218
3068	static SV *prio_cv;	3219	static SV *prio_cv;
3069	static SV *prio_sv;	3220	static SV *prio_sv;
3070		3221
3071	if (expect_false (!prio_cv))	3222	if (ecb_expect_false (!prio_cv))
3072	{	3223	{
3073	prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0);	3224	prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0);
3074	prio_sv = newSViv (0);	3225	prio_sv = newSViv (0);
3075	}	3226	}
3076		3227
…		…
3182	}	3333	}
3183		3334
3184	return coro_sv;	3335	return coro_sv;
3185	}	3336	}
3186		3337
		3338	#ifndef __cplusplus
		3339	ecb_cold XS(boot_Coro__State);
		3340	#endif
		3341
		3342	#if CORO_JIT
		3343
		3344	static void ecb_noinline ecb_cold
		3345	pushav_3uv (pTHX_ UV a, UV b, UV c)
		3346	{
		3347	dSP;
		3348	AV *av = newAV ();
		3349
		3350	av_store (av, 2, newSVuv (c));
		3351	av_store (av, 1, newSVuv (b));
		3352	av_store (av, 0, newSVuv (a));
		3353
		3354	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		3355
		3356	PUTBACK;
		3357	}
		3358
		3359	static void ecb_noinline ecb_cold
		3360	jit_init (pTHX)
		3361	{
		3362	dSP;
		3363	SV *load, *save;
		3364	char *map_base;
		3365	char *load_ptr, *save_ptr;
		3366	STRLEN load_len, save_len;
		3367	int count;
		3368
		3369	PUSHMARK (SP);
		3370	PUTBACK;
		3371	#define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type));
		3372	# include "state.h"
		3373	#undef VARx
		3374	count = call_pv ("Coro::State::_jit", G_ARRAY);
		3375	SPAGAIN;
		3376
		3377	save = POPs; save_ptr = SvPVbyte (save, save_len);
		3378	load = POPs; load_ptr = SvPVbyte (load, load_len);
		3379
		3380	map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
		3381
		3382	assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
		3383
		3384	load_perl_slots = (load_save_perl_slots_type)map_base;
		3385	memcpy (map_base, load_ptr, load_len);
		3386
		3387	map_base += (load_len + 15) & ~15;
		3388
		3389	save_perl_slots = (load_save_perl_slots_type)map_base;
		3390	memcpy (map_base, save_ptr, save_len);
		3391	}
		3392
		3393	#endif
		3394
3187	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	3395	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3188		3396
3189	PROTOTYPES: DISABLE	3397	PROTOTYPES: DISABLE
3190		3398
3191	BOOT:	3399	BOOT:
…		…
3195	coro_thx = PERL_GET_CONTEXT;	3403	coro_thx = PERL_GET_CONTEXT;
3196	# endif	3404	# endif
3197	#endif	3405	#endif
3198	BOOT_PAGESIZE;	3406	BOOT_PAGESIZE;
3199		3407
		3408	/* perl defines these to check for existance first, but why it doesn't */
		3409	/* just create them one at init time is not clear to me, except for */
		3410	/* programs trying to delete them, but... */
		3411	/* anyway, we declare this as invalid and make sure they are initialised here */
		3412	DEFSV;
		3413	ERRSV;
		3414
3200	cctx_current = cctx_new_empty ();	3415	cctx_current = cctx_new_empty ();
3201		3416
3202	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	3417	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
3203	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	3418	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
3204		3419
…		…
3246	coroapi.prepare_cede_notself = prepare_cede_notself;	3461	coroapi.prepare_cede_notself = prepare_cede_notself;
3247		3462
3248	time_init (aTHX);	3463	time_init (aTHX);
3249		3464
3250	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));	3465	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
		3466	#if CORO_JIT
		3467	PUTBACK;
		3468	eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
		3469	jit_init (aTHX);
		3470	perl_eval_pv ("undef &Coro::State::_jit", 1);
		3471	SPAGAIN;
		3472	#endif
3251	}	3473	}
3252		3474
3253	SV *	3475	SV *
3254	new (SV *klass, ...)	3476	new (SV *klass, ...)
3255	ALIAS:	3477	ALIAS:
…		…
3397	PROTOTYPE: $	3619	PROTOTYPE: $
3398	ALIAS:	3620	ALIAS:
3399	is_ready = CF_READY	3621	is_ready = CF_READY
3400	is_running = CF_RUNNING	3622	is_running = CF_RUNNING
3401	is_new = CF_NEW	3623	is_new = CF_NEW
3402	is_destroyed = CF_DESTROYED	3624	is_destroyed = CF_ZOMBIE
		3625	is_zombie = CF_ZOMBIE
3403	is_suspended = CF_SUSPENDED	3626	is_suspended = CF_SUSPENDED
3404	CODE:	3627	CODE:
3405	RETVAL = boolSV (coro->flags & ix);	3628	RETVAL = boolSV (coro->flags & ix);
3406	OUTPUT:	3629	OUTPUT:
3407	RETVAL	3630	RETVAL
…		…
3502	times (Coro::State self)	3725	times (Coro::State self)
3503	PPCODE:	3726	PPCODE:
3504	{	3727	{
3505	struct coro *current = SvSTATE (coro_current);	3728	struct coro *current = SvSTATE (coro_current);
3506		3729
3507	if (expect_false (current == self))	3730	if (ecb_expect_false (current == self))
3508	{	3731	{
3509	coro_times_update ();	3732	coro_times_update ();
3510	coro_times_add (SvSTATE (coro_current));	3733	coro_times_add (SvSTATE (coro_current));
3511	}	3734	}
3512		3735
3513	EXTEND (SP, 2);	3736	EXTEND (SP, 2);
3514	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));	3737	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3515	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));	3738	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3516		3739
3517	if (expect_false (current == self))	3740	if (ecb_expect_false (current == self))
3518	coro_times_sub (SvSTATE (coro_current));	3741	coro_times_sub (SvSTATE (coro_current));
3519	}	3742	}
3520		3743
3521	void	3744	void
3522	swap_sv (Coro::State coro, SV *sv, SV *swapsv)	3745	swap_sv (Coro::State coro, SV *sv, SV *swapsv)
…		…
3543	BOOT:	3766	BOOT:
3544	{	3767	{
3545	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3768	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3546	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3769	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3547	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	3770	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3548	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3549	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3771	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3550	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3772	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3551	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3773	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3552	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3774	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3553	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);	3775	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
…		…
3596	void	3818	void
3597	_destroy (Coro::State coro)	3819	_destroy (Coro::State coro)
3598	CODE:	3820	CODE:
3599	/* used by the manager thread */	3821	/* used by the manager thread */
3600	coro_state_destroy (aTHX_ coro);	3822	coro_state_destroy (aTHX_ coro);
		3823
		3824	void
		3825	on_destroy (Coro::State coro, SV *cb)
		3826	CODE:
3601	coro_call_on_destroy (aTHX_ coro);	3827	coro_push_on_destroy (aTHX_ coro, newSVsv (cb));
		3828
		3829	void
		3830	join (...)
		3831	CODE:
		3832	CORO_EXECUTE_SLF_XS (slf_init_join);
3602		3833
3603	void	3834	void
3604	terminate (...)	3835	terminate (...)
3605	CODE:	3836	CODE:
3606	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3837	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3607		3838
3608	void	3839	void
3609	cancel (...)	3840	cancel (...)
3610	CODE:	3841	CODE:
3611	CORO_EXECUTE_SLF_XS (slf_init_cancel);	3842	CORO_EXECUTE_SLF_XS (slf_init_cancel);
		3843
		3844	int
		3845	safe_cancel (Coro::State self, ...)
		3846	C_ARGS: aTHX_ self, &ST (1), items - 1
3612		3847
3613	void	3848	void
3614	schedule (...)	3849	schedule (...)
3615	CODE:	3850	CODE:
3616	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3851	CORO_EXECUTE_SLF_XS (slf_init_schedule);

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