ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.306 by root, Wed Nov 19 11:11:10 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC

…		…
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \	58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61		61
62	#if !PERL_VERSION_ATLEAST (5,6,0)	62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr	63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr	64	# define PL_ppaddr ppaddr
65	# endif	65	# endif
…		…
98	# define newSV(l) NEWSV(0,l)	98	# define newSV(l) NEWSV(0,l)
99	#endif	99	#endif
100	#ifndef CvISXSUB_on	100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	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
103		109
104	/* 5.8.7 */	110	/* 5.8.7 */
105	#ifndef SvRV_set	111	#ifndef SvRV_set
106	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
107	#endif	113	#endif
…		…
127	#else	133	#else
128	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
129	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
130	#endif	136	#endif
131		137
132	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
133		139
134	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
135	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
136	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
137	# define INLINE static inline	143	# define INLINE static inline
138	#else	144	#else
139	# define attribute(x)	145	# define attribute(x)
140	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
141	# define INLINE static	147	# define INLINE static
…		…
153	# if CORO_PTHREAD	159	# if CORO_PTHREAD
154	static void *coro_thx;	160	static void *coro_thx;
155	# endif	161	# endif
156	#endif	162	#endif
157		163
		164	#ifdef __linux
		165	# include <time.h> /* for timespec */
		166	# include <syscall.h> /* for SYS_* */
		167	# ifdef SYS_clock_gettime
		168	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		169	# define CORO_CLOCK_MONOTONIC 1
		170	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		171	# endif
		172	#endif
		173
158	static double (*nvtime)(); /* so why doesn't it take void? */	174	static double (*nvtime)(); /* so why doesn't it take void? */
		175	static void (*u2time)(pTHX_ UV ret[2]);
159		176
160	/* we hijack an hopefully unused CV flag for our purposes */	177	/* we hijack an hopefully unused CV flag for our purposes */
161	#define CVf_SLF 0x4000	178	#define CVf_SLF 0x4000
162	static OP *pp_slf (pTHX);	179	static OP *pp_slf (pTHX);
163		180
…		…
167	static AV *main_mainstack; /* used to differentiate between $main and others */	184	static AV *main_mainstack; /* used to differentiate between $main and others */
168	static JMPENV *main_top_env;	185	static JMPENV *main_top_env;
169	static HV *coro_state_stash, *coro_stash;	186	static HV *coro_state_stash, *coro_stash;
170	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */	187	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
171		188
		189	static AV *av_destroy; /* destruction queue */
		190	static SV *sv_manager; /* the manager coro */
		191	static SV *sv_idle; /* $Coro::idle */
		192
172	static GV *irsgv; /* $/ */	193	static GV *irsgv; /* $/ */
173	static GV *stdoutgv; /* *STDOUT */	194	static GV *stdoutgv; /* *STDOUT */
174	static SV *rv_diehook;	195	static SV *rv_diehook;
175	static SV *rv_warnhook;	196	static SV *rv_warnhook;
176	static HV *hv_sig; /* %SIG */	197	static HV *hv_sig; /* %SIG */
177		198
178	/* async_pool helper stuff */	199	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	200	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	201	static SV *sv_pool_size;
		202	static SV *sv_async_pool_idle; /* description string */
181	static AV *av_async_pool;	203	static AV *av_async_pool; /* idle pool */
		204	static SV *sv_Coro; /* class string */
		205	static CV *cv_pool_handler;
		206	static CV *cv_coro_state_new;
182		207
183	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
184	static SV *sv_activity;	209	static SV *sv_activity;
		210
		211	/* enable processtime/realtime profiling */
		212	static char enable_times;
		213	typedef U32 coro_ts[2];
		214	static coro_ts time_real, time_cpu;
		215	static char times_valid;
185		216
186	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
187	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
188		219
189	enum {	220	enum {
…		…
215	int valgrind_id;	246	int valgrind_id;
216	#endif	247	#endif
217	unsigned char flags;	248	unsigned char flags;
218	} coro_cctx;	249	} coro_cctx;
219		250
		251	coro_cctx *cctx_current; /* the currently running cctx */
		252
		253	/*****************************************************************************/
		254
220	enum {	255	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
224	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	259	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		260	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
225	};	261	};
226		262
227	/* the structure where most of the perl state is stored, overlaid on the cxstack */	263	/* the structure where most of the perl state is stored, overlaid on the cxstack */
228	typedef struct	264	typedef struct
229	{	265	{
230	SV *defsv;	266	SV *defsv;
231	AV *defav;	267	AV *defav;
232	SV *errsv;	268	SV *errsv;
233	SV *irsgv;	269	SV *irsgv;
		270	HV *hinthv;
234	#define VAR(name,type) type name;	271	#define VAR(name,type) type name;
235	# include "state.h"	272	# include "state.h"
236	#undef VAR	273	#undef VAR
237	} perl_slots;	274	} perl_slots;
238		275
…		…
241	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
242	struct coro {	279	struct coro {
243	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
244	coro_cctx *cctx;	281	coro_cctx *cctx;
245		282
		283	/* ready queue */
		284	struct coro *next_ready;
		285
246	/* state data */	286	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	288	AV *mainstack;
249	perl_slots *slot; /* basically the saved sp */	289	perl_slots *slot; /* basically the saved sp */
250		290
		291	CV *startcv; /* the CV to execute */
251	AV *args; /* data associated with this coroutine (initial args) */	292	AV *args; /* data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	293	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	294	int flags; /* CF_ flags */
254	HV *hv; /* the perl hash associated with this coro, if any */	295	HV *hv; /* the perl hash associated with this coro, if any */
255	void (*on_destroy)(pTHX_ struct coro *coro);	296	void (*on_destroy)(pTHX_ struct coro *coro);
256		297
257	/* statistics */	298	/* statistics */
258	int usecount; /* number of transfers to this coro */	299	int usecount; /* number of transfers to this coro */
259		300
…		…
262	SV *except; /* exception to be thrown */	303	SV *except; /* exception to be thrown */
263	SV *rouse_cb;	304	SV *rouse_cb;
264		305
265	/* async_pool */	306	/* async_pool */
266	SV *saved_deffh;	307	SV *saved_deffh;
		308	SV *invoke_cb;
		309	AV *invoke_av;
		310
		311	/* on_enter/on_leave */
		312	AV *on_enter;
		313	AV *on_leave;
		314
		315	/* times */
		316	coro_ts t_cpu, t_real;
267		317
268	/* linked list */	318	/* linked list */
269	struct coro *next, *prev;	319	struct coro *next, *prev;
270	};	320	};
271		321
…		…
277	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
278	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
279		329
280	/** Coro ********************************************************************/	330	/** Coro ********************************************************************/
281		331
282	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
283	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
284	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
285	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
286	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
287	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
288		338
289	/* for Coro.pm */	339	/* for Coro.pm */
290	static SV *coro_current;	340	static SV *coro_current;
291	static SV *coro_readyhook;	341	static SV *coro_readyhook;
292	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	342	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
		343	static CV *cv_coro_run, *cv_coro_terminate;
293	static struct coro *coro_first;	344	static struct coro *coro_first;
294	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
295		346
296	/** lowlevel stuff **********************************************************/	347	/** lowlevel stuff **********************************************************/
297		348
…		…
323	get_hv (name, create);	374	get_hv (name, create);
324	#endif	375	#endif
325	return get_hv (name, create);	376	return get_hv (name, create);
326	}	377	}
327		378
		379	/* may croak */
		380	INLINE CV *
		381	coro_sv_2cv (pTHX_ SV *sv)
		382	{
		383	HV *st;
		384	GV *gvp;
		385	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		386
		387	if (!cv)
		388	croak ("code reference expected");
		389
		390	return cv;
		391	}
		392
		393	INLINE void
		394	coro_times_update ()
		395	{
		396	#ifdef coro_clock_gettime
		397	struct timespec ts;
		398
		399	ts.tv_sec = ts.tv_nsec = 0;
		400	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		401	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		402
		403	ts.tv_sec = ts.tv_nsec = 0;
		404	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		405	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		406	#else
		407	UV tv[2];
		408
		409	u2time (aTHX_ &tv);
		410	time_real [0] = tv [0];
		411	time_real [1] = tv [1] * 1000;
		412	#endif
		413	}
		414
		415	INLINE void
		416	coro_times_add (struct coro *c)
		417	{
		418	c->t_real [1] += time_real [1];
		419	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		420	c->t_real [0] += time_real [0];
		421
		422	c->t_cpu [1] += time_cpu [1];
		423	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		424	c->t_cpu [0] += time_cpu [0];
		425	}
		426
		427	INLINE void
		428	coro_times_sub (struct coro *c)
		429	{
		430	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		431	c->t_real [1] -= time_real [1];
		432	c->t_real [0] -= time_real [0];
		433
		434	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		435	c->t_cpu [1] -= time_cpu [1];
		436	c->t_cpu [0] -= time_cpu [0];
		437	}
		438
		439	/*****************************************************************************/
		440	/* magic glue */
		441
		442	#define CORO_MAGIC_type_cv 26
		443	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		444
		445	#define CORO_MAGIC_NN(sv, type) \
		446	(expect_true (SvMAGIC (sv)->mg_type == type) \
		447	? SvMAGIC (sv) \
		448	: mg_find (sv, type))
		449
		450	#define CORO_MAGIC(sv, type) \
		451	(expect_true (SvMAGIC (sv)) \
		452	? CORO_MAGIC_NN (sv, type) \
		453	: 0)
		454
		455	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		456	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		457
		458	INLINE struct coro *
		459	SvSTATE_ (pTHX_ SV *coro)
		460	{
		461	HV *stash;
		462	MAGIC *mg;
		463
		464	if (SvROK (coro))
		465	coro = SvRV (coro);
		466
		467	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		468	croak ("Coro::State object required");
		469
		470	stash = SvSTASH (coro);
		471	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		472	{
		473	/* very slow, but rare, check */
		474	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		475	croak ("Coro::State object required");
		476	}
		477
		478	mg = CORO_MAGIC_state (coro);
		479	return (struct coro *)mg->mg_ptr;
		480	}
		481
		482	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		483
		484	/* faster than SvSTATE, but expects a coroutine hv */
		485	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		486	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		487
		488	/*****************************************************************************/
		489	/* padlist management and caching */
		490
328	static AV *	491	static AV *
329	coro_clone_padlist (pTHX_ CV *cv)	492	coro_derive_padlist (pTHX_ CV *cv)
330	{	493	{
331	AV *padlist = CvPADLIST (cv);	494	AV *padlist = CvPADLIST (cv);
332	AV *newpadlist, *newpad;	495	AV *newpadlist, *newpad;
333		496
334	newpadlist = newAV ();	497	newpadlist = newAV ();
…		…
339	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	502	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
340	#endif	503	#endif
341	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	504	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
342	--AvFILLp (padlist);	505	--AvFILLp (padlist);
343		506
344	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	507	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
345	av_store (newpadlist, 1, (SV *)newpad);	508	av_store (newpadlist, 1, (SV *)newpad);
346		509
347	return newpadlist;	510	return newpadlist;
348	}	511	}
349		512
350	static void	513	static void
351	free_padlist (pTHX_ AV *padlist)	514	free_padlist (pTHX_ AV *padlist)
352	{	515	{
353	/* may be during global destruction */	516	/* may be during global destruction */
354	if (SvREFCNT (padlist))	517	if (!IN_DESTRUCT)
355	{	518	{
356	I32 i = AvFILLp (padlist);	519	I32 i = AvFILLp (padlist);
357	while (i >= 0)	520
		521	while (i > 0) /* special-case index 0 */
358	{	522	{
359	SV **svp = av_fetch (padlist, i--, FALSE);	523	/* we try to be extra-careful here */
360	if (svp)	524	AV *av = (AV *)AvARRAY (padlist)[i--];
361	{	525	I32 j = AvFILLp (av);
362	SV *sv;	526
363	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	527	while (j >= 0)
		528	SvREFCNT_dec (AvARRAY (av)[j--]);
		529
		530	AvFILLp (av) = -1;
364	SvREFCNT_dec (sv);	531	SvREFCNT_dec (av);
365
366	SvREFCNT_dec (*svp);
367	}
368	}	532	}
369		533
		534	SvREFCNT_dec (AvARRAY (padlist)[0]);
		535
		536	AvFILLp (padlist) = -1;
370	SvREFCNT_dec ((SV*)padlist);	537	SvREFCNT_dec ((SV*)padlist);
371	}	538	}
372	}	539	}
373		540
374	static int	541	static int
375	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	542	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
376	{	543	{
377	AV *padlist;	544	AV *padlist;
378	AV *av = (AV *)mg->mg_obj;	545	AV *av = (AV *)mg->mg_obj;
		546
		547	/* perl manages to free our internal AV and _then_ call us */
		548	if (IN_DESTRUCT)
		549	return;
379		550
380	/* casting is fun. */	551	/* casting is fun. */
381	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	552	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
382	free_padlist (aTHX_ padlist);	553	free_padlist (aTHX_ padlist);
383		554
384	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	555	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
385		556
386	return 0;	557	return 0;
387	}	558	}
388
389	#define CORO_MAGIC_type_cv 26
390	#define CORO_MAGIC_type_state PERL_MAGIC_ext
391		559
392	static MGVTBL coro_cv_vtbl = {	560	static MGVTBL coro_cv_vtbl = {
393	0, 0, 0, 0,	561	0, 0, 0, 0,
394	coro_cv_free	562	coro_cv_free
395	};	563	};
396
397	#define CORO_MAGIC_NN(sv, type) \
398	(expect_true (SvMAGIC (sv)->mg_type == type) \
399	? SvMAGIC (sv) \
400	: mg_find (sv, type))
401
402	#define CORO_MAGIC(sv, type) \
403	(expect_true (SvMAGIC (sv)) \
404	? CORO_MAGIC_NN (sv, type) \
405	: 0)
406
407	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
408	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
409
410	INLINE struct coro *
411	SvSTATE_ (pTHX_ SV *coro)
412	{
413	HV *stash;
414	MAGIC *mg;
415
416	if (SvROK (coro))
417	coro = SvRV (coro);
418
419	if (expect_false (SvTYPE (coro) != SVt_PVHV))
420	croak ("Coro::State object required");
421
422	stash = SvSTASH (coro);
423	if (expect_false (stash != coro_stash && stash != coro_state_stash))
424	{
425	/* very slow, but rare, check */
426	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
427	croak ("Coro::State object required");
428	}
429
430	mg = CORO_MAGIC_state (coro);
431	return (struct coro *)mg->mg_ptr;
432	}
433
434	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
435
436	/* faster than SvSTATE, but expects a coroutine hv */
437	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
438	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
439		564
440	/* the next two functions merely cache the padlists */	565	/* the next two functions merely cache the padlists */
441	static void	566	static void
442	get_padlist (pTHX_ CV *cv)	567	get_padlist (pTHX_ CV *cv)
443	{	568	{
…		…
454	CV *cp = Perl_cv_clone (aTHX_ cv);	579	CV *cp = Perl_cv_clone (aTHX_ cv);
455	CvPADLIST (cv) = CvPADLIST (cp);	580	CvPADLIST (cv) = CvPADLIST (cp);
456	CvPADLIST (cp) = 0;	581	CvPADLIST (cp) = 0;
457	SvREFCNT_dec (cp);	582	SvREFCNT_dec (cp);
458	#else	583	#else
459	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	584	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
460	#endif	585	#endif
461	}	586	}
462	}	587	}
463		588
464	static void	589	static void
…		…
471	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	596	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
472		597
473	av = (AV *)mg->mg_obj;	598	av = (AV *)mg->mg_obj;
474		599
475	if (expect_false (AvFILLp (av) >= AvMAX (av)))	600	if (expect_false (AvFILLp (av) >= AvMAX (av)))
476	av_extend (av, AvMAX (av) + 1);	601	av_extend (av, AvFILLp (av) + 1);
477		602
478	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	603	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
479	}	604	}
480		605
481	/** load & save, init *******************************************************/	606	/** load & save, init *******************************************************/
		607
		608	static void
		609	on_enterleave_call (pTHX_ SV *cb);
482		610
483	static void	611	static void
484	load_perl (pTHX_ Coro__State c)	612	load_perl (pTHX_ Coro__State c)
485	{	613	{
486	perl_slots *slot = c->slot;	614	perl_slots *slot = c->slot;
487	c->slot = 0;	615	c->slot = 0;
488		616
489	PL_mainstack = c->mainstack;	617	PL_mainstack = c->mainstack;
490		618
491	GvSV (PL_defgv) = slot->defsv;	619	GvSV (PL_defgv) = slot->defsv;
492	GvAV (PL_defgv) = slot->defav;	620	GvAV (PL_defgv) = slot->defav;
493	GvSV (PL_errgv) = slot->errsv;	621	GvSV (PL_errgv) = slot->errsv;
494	GvSV (irsgv) = slot->irsgv;	622	GvSV (irsgv) = slot->irsgv;
		623	GvHV (PL_hintgv) = slot->hinthv;
495		624
496	#define VAR(name,type) PL_ ## name = slot->name;	625	#define VAR(name,type) PL_ ## name = slot->name;
497	# include "state.h"	626	# include "state.h"
498	#undef VAR	627	#undef VAR
499		628
…		…
513	PUTBACK;	642	PUTBACK;
514	}	643	}
515		644
516	slf_frame = c->slf_frame;	645	slf_frame = c->slf_frame;
517	CORO_THROW = c->except;	646	CORO_THROW = c->except;
		647
		648	if (expect_false (enable_times))
		649	{
		650	if (expect_false (!times_valid))
		651	coro_times_update ();
		652
		653	coro_times_sub (c);
		654	}
		655
		656	if (expect_false (c->on_enter))
		657	{
		658	int i;
		659
		660	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		661	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		662	}
518	}	663	}
519		664
520	static void	665	static void
521	save_perl (pTHX_ Coro__State c)	666	save_perl (pTHX_ Coro__State c)
522	{	667	{
		668	if (expect_false (c->on_leave))
		669	{
		670	int i;
		671
		672	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		673	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		674	}
		675
		676	times_valid = 0;
		677
		678	if (expect_false (enable_times))
		679	{
		680	coro_times_update (); times_valid = 1;
		681	coro_times_add (c);
		682	}
		683
523	c->except = CORO_THROW;	684	c->except = CORO_THROW;
524	c->slf_frame = slf_frame;	685	c->slf_frame = slf_frame;
525		686
526	{	687	{
527	dSP;	688	dSP;
…		…
540	{	701	{
541	while (expect_true (cxix >= 0))	702	while (expect_true (cxix >= 0))
542	{	703	{
543	PERL_CONTEXT *cx = &ccstk[cxix--];	704	PERL_CONTEXT *cx = &ccstk[cxix--];
544		705
545	if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))	706	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
546	{	707	{
547	CV *cv = cx->blk_sub.cv;	708	CV *cv = cx->blk_sub.cv;
548		709
549	if (expect_true (CvDEPTH (cv)))	710	if (expect_true (CvDEPTH (cv)))
550	{	711	{
…		…
585	c->mainstack = PL_mainstack;	746	c->mainstack = PL_mainstack;
586		747
587	{	748	{
588	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	749	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
589		750
590	slot->defav = GvAV (PL_defgv);	751	slot->defav = GvAV (PL_defgv);
591	slot->defsv = DEFSV;	752	slot->defsv = DEFSV;
592	slot->errsv = ERRSV;	753	slot->errsv = ERRSV;
593	slot->irsgv = GvSV (irsgv);	754	slot->irsgv = GvSV (irsgv);
		755	slot->hinthv = GvHV (PL_hintgv);
594		756
595	#define VAR(name,type) slot->name = PL_ ## name;	757	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	758	# include "state.h"
597	#undef VAR	759	#undef VAR
598	}	760	}
…		…
676	#if !PERL_VERSION_ATLEAST (5,10,0)	838	#if !PERL_VERSION_ATLEAST (5,10,0)
677	Safefree (PL_retstack);	839	Safefree (PL_retstack);
678	#endif	840	#endif
679	}	841	}
680		842
		843	#define CORO_RSS \
		844	rss += sizeof (SYM (curstackinfo)); \
		845	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		846	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		847	rss += SYM (tmps_max) * sizeof (SV *); \
		848	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		849	rss += SYM (scopestack_max) * sizeof (I32); \
		850	rss += SYM (savestack_max) * sizeof (ANY);
		851
681	static size_t	852	static size_t
682	coro_rss (pTHX_ struct coro *coro)	853	coro_rss (pTHX_ struct coro *coro)
683	{	854	{
684	size_t rss = sizeof (*coro);	855	size_t rss = sizeof (*coro);
685		856
686	if (coro->mainstack)	857	if (coro->mainstack)
687	{	858	{
688	perl_slots tmp_slot;
689	perl_slots *slot;
690
691	if (coro->flags & CF_RUNNING)	859	if (coro->flags & CF_RUNNING)
692	{	860	{
693	slot = &tmp_slot;	861	#define SYM(sym) PL_ ## sym
694		862	CORO_RSS;
695	#define VAR(name,type) slot->name = PL_ ## name;
696	# include "state.h"
697	#undef VAR	863	#undef SYM
698	}	864	}
699	else	865	else
700	slot = coro->slot;
701
702	if (slot)
703	{	866	{
704	rss += sizeof (slot->curstackinfo);	867	#define SYM(sym) coro->slot->sym
705	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	868	CORO_RSS;
706	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	869	#undef SYM
707	rss += slot->tmps_max * sizeof (SV *);
708	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
709	rss += slot->scopestack_max * sizeof (I32);
710	rss += slot->savestack_max * sizeof (ANY);
711
712	#if !PERL_VERSION_ATLEAST (5,10,0)
713	rss += slot->retstack_max * sizeof (OP *);
714	#endif
715	}	870	}
716	}	871	}
717		872
718	return rss;	873	return rss;
719	}	874	}
…		…
732	#endif	887	#endif
733		888
734	/*	889	/*
735	* This overrides the default magic get method of %SIG elements.	890	* This overrides the default magic get method of %SIG elements.
736	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	891	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
737	* and instead of tryign to save and restore the hash elements, we just provide	892	* and instead of trying to save and restore the hash elements, we just provide
738	* readback here.	893	* readback here.
739	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
740	* not expecting this to actually change the hook. This is a potential problem
741	* when a schedule happens then, but we ignore this.
742	*/	894	*/
743	static int	895	static int
744	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	896	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
745	{	897	{
746	const char *s = MgPV_nolen_const (mg);	898	const char *s = MgPV_nolen_const (mg);
…		…
799	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	951	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
800		952
801	if (svp)	953	if (svp)
802	{	954	{
803	SV *old = *svp;	955	SV *old = *svp;
804	*svp = newSVsv (sv);	956	*svp = SvOK (sv) ? newSVsv (sv) : 0;
805	SvREFCNT_dec (old);	957	SvREFCNT_dec (old);
806	return 0;	958	return 0;
807	}	959	}
808	}	960	}
809		961
…		…
819		971
820	static int	972	static int
821	slf_check_nop (pTHX_ struct CoroSLF *frame)	973	slf_check_nop (pTHX_ struct CoroSLF *frame)
822	{	974	{
823	return 0;	975	return 0;
		976	}
		977
		978	static int
		979	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		980	{
		981	return 1;
824	}	982	}
825		983
826	static UNOP coro_setup_op;	984	static UNOP coro_setup_op;
827		985
828	static void NOINLINE /* noinline to keep it out of the transfer fast path */	986	static void NOINLINE /* noinline to keep it out of the transfer fast path */
…		…
835		993
836	PL_runops = RUNOPS_DEFAULT;	994	PL_runops = RUNOPS_DEFAULT;
837	PL_curcop = &PL_compiling;	995	PL_curcop = &PL_compiling;
838	PL_in_eval = EVAL_NULL;	996	PL_in_eval = EVAL_NULL;
839	PL_comppad = 0;	997	PL_comppad = 0;
		998	PL_comppad_name = 0;
		999	PL_comppad_name_fill = 0;
		1000	PL_comppad_name_floor = 0;
840	PL_curpm = 0;	1001	PL_curpm = 0;
841	PL_curpad = 0;	1002	PL_curpad = 0;
842	PL_localizing = 0;	1003	PL_localizing = 0;
843	PL_dirty = 0;	1004	PL_dirty = 0;
844	PL_restartop = 0;	1005	PL_restartop = 0;
845	#if PERL_VERSION_ATLEAST (5,10,0)	1006	#if PERL_VERSION_ATLEAST (5,10,0)
846	PL_parser = 0;	1007	PL_parser = 0;
847	#endif	1008	#endif
		1009	PL_hints = 0;
848		1010
849	/* recreate the die/warn hooks */	1011	/* recreate the die/warn hooks */
850	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	1012	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
851	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	1013	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
852		1014
853	GvSV (PL_defgv) = newSV (0);	1015	GvSV (PL_defgv) = newSV (0);
854	GvAV (PL_defgv) = coro->args; coro->args = 0;	1016	GvAV (PL_defgv) = coro->args; coro->args = 0;
855	GvSV (PL_errgv) = newSV (0);	1017	GvSV (PL_errgv) = newSV (0);
856	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1018	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		1019	GvHV (PL_hintgv) = 0;
857	PL_rs = newSVsv (GvSV (irsgv));	1020	PL_rs = newSVsv (GvSV (irsgv));
858	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1021	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
859		1022
860	{	1023	{
861	dSP;	1024	dSP;
862	UNOP myop;	1025	UNOP myop;
863		1026
864	Zero (&myop, 1, UNOP);	1027	Zero (&myop, 1, UNOP);
865	myop.op_next = Nullop;	1028	myop.op_next = Nullop;
		1029	myop.op_type = OP_ENTERSUB;
866	myop.op_flags = OPf_WANT_VOID;	1030	myop.op_flags = OPf_WANT_VOID;
867		1031
868	PUSHMARK (SP);	1032	PUSHMARK (SP);
869	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	1033	PUSHs ((SV *)coro->startcv);
870	PUTBACK;	1034	PUTBACK;
871	PL_op = (OP *)&myop;	1035	PL_op = (OP *)&myop;
872	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1036	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
873	SPAGAIN;
874	}	1037	}
875		1038
876	/* this newly created coroutine might be run on an existing cctx which most	1039	/* this newly created coroutine might be run on an existing cctx which most
877	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	1040	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
878	*/	1041	*/
879	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	1042	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
880	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	1043	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
881		1044
882	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	1045	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
883	coro_setup_op.op_next = PL_op;	1046	coro_setup_op.op_next = PL_op;
884	coro_setup_op.op_type = OP_CUSTOM;	1047	coro_setup_op.op_type = OP_ENTERSUB;
885	coro_setup_op.op_ppaddr = pp_slf;	1048	coro_setup_op.op_ppaddr = pp_slf;
886	/* no flags required, as an init function won't be called */	1049	/* no flags etc. required, as an init function won't be called */
887		1050
888	PL_op = (OP *)&coro_setup_op;	1051	PL_op = (OP *)&coro_setup_op;
889		1052
890	/* copy throw, in case it was set before coro_setup */	1053	/* copy throw, in case it was set before coro_setup */
891	CORO_THROW = coro->except;	1054	CORO_THROW = coro->except;
892	}
893		1055
		1056	if (expect_false (enable_times))
		1057	{
		1058	coro_times_update ();
		1059	coro_times_sub (coro);
		1060	}
		1061	}
		1062
894	static void	1063	static void
895	coro_destruct (pTHX_ struct coro *coro)	1064	coro_unwind_stacks (pTHX)
896	{	1065	{
897	if (!IN_DESTRUCT)	1066	if (!IN_DESTRUCT)
898	{	1067	{
899	/* restore all saved variables and stuff */	1068	/* restore all saved variables and stuff */
900	LEAVE_SCOPE (0);	1069	LEAVE_SCOPE (0);
…		…
908	POPSTACK_TO (PL_mainstack);	1077	POPSTACK_TO (PL_mainstack);
909		1078
910	/* unwind main stack */	1079	/* unwind main stack */
911	dounwind (-1);	1080	dounwind (-1);
912	}	1081	}
		1082	}
913		1083
914	SvREFCNT_dec (GvSV (PL_defgv));	1084	static void
915	SvREFCNT_dec (GvAV (PL_defgv));	1085	coro_destruct_perl (pTHX_ struct coro *coro)
916	SvREFCNT_dec (GvSV (PL_errgv));	1086	{
917	SvREFCNT_dec (PL_defoutgv);	1087	SV *svf [9];
918	SvREFCNT_dec (PL_rs);
919	SvREFCNT_dec (GvSV (irsgv));
920		1088
921	SvREFCNT_dec (PL_diehook);
922	SvREFCNT_dec (PL_warnhook);
923		1089	{
924	SvREFCNT_dec (CORO_THROW);	1090	struct coro *current = SvSTATE_current;
		1091
		1092	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1093
		1094	save_perl (aTHX_ current);
		1095	load_perl (aTHX_ coro);
		1096
		1097	coro_unwind_stacks (aTHX);
		1098	coro_destruct_stacks (aTHX);
		1099
		1100	// now save some sv's to be free'd later
		1101	svf [0] = GvSV (PL_defgv);
		1102	svf [1] = (SV *)GvAV (PL_defgv);
		1103	svf [2] = GvSV (PL_errgv);
		1104	svf [3] = (SV *)PL_defoutgv;
		1105	svf [4] = PL_rs;
		1106	svf [5] = GvSV (irsgv);
		1107	svf [6] = (SV *)GvHV (PL_hintgv);
		1108	svf [7] = PL_diehook;
		1109	svf [8] = PL_warnhook;
		1110	assert (9 == sizeof (svf) / sizeof (*svf));
		1111
		1112	load_perl (aTHX_ current);
		1113	}
		1114
		1115	{
		1116	int i;
		1117
		1118	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1119	SvREFCNT_dec (svf [i]);
		1120
925	SvREFCNT_dec (coro->saved_deffh);	1121	SvREFCNT_dec (coro->saved_deffh);
926	SvREFCNT_dec (coro->rouse_cb);	1122	SvREFCNT_dec (coro->rouse_cb);
927		1123	SvREFCNT_dec (coro->invoke_cb);
928	coro_destruct_stacks (aTHX);	1124	SvREFCNT_dec (coro->invoke_av);
		1125	}
929	}	1126	}
930		1127
931	INLINE void	1128	INLINE void
932	free_coro_mortal (pTHX)	1129	free_coro_mortal (pTHX)
933	{	1130	{
…		…
941	static int	1138	static int
942	runops_trace (pTHX)	1139	runops_trace (pTHX)
943	{	1140	{
944	COP *oldcop = 0;	1141	COP *oldcop = 0;
945	int oldcxix = -2;	1142	int oldcxix = -2;
946	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
947	coro_cctx *cctx = coro->cctx;
948		1143
949	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1144	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
950	{	1145	{
951	PERL_ASYNC_CHECK ();	1146	PERL_ASYNC_CHECK ();
952		1147
953	if (cctx->flags & CC_TRACE_ALL)	1148	if (cctx_current->flags & CC_TRACE_ALL)
954	{	1149	{
955	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1150	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
956	{	1151	{
957	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1152	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
958	SV **bot, **top;	1153	SV **bot, **top;
959	AV *av = newAV (); /* return values */	1154	AV *av = newAV (); /* return values */
960	SV **cb;	1155	SV **cb;
…		…
997		1192
998	if (PL_curcop != &PL_compiling)	1193	if (PL_curcop != &PL_compiling)
999	{	1194	{
1000	SV **cb;	1195	SV **cb;
1001		1196
1002	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1197	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1003	{	1198	{
1004	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1199	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1005		1200
1006	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1201	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1007	{	1202	{
1008	runops_proc_t old_runops = PL_runops;
1009	dSP;	1203	dSP;
1010	GV *gv = CvGV (cx->blk_sub.cv);	1204	GV *gv = CvGV (cx->blk_sub.cv);
1011	SV *fullname = sv_2mortal (newSV (0));	1205	SV *fullname = sv_2mortal (newSV (0));
1012		1206
1013	if (isGV (gv))	1207	if (isGV (gv))
…		…
1018	SAVETMPS;	1212	SAVETMPS;
1019	EXTEND (SP, 3);	1213	EXTEND (SP, 3);
1020	PUSHMARK (SP);	1214	PUSHMARK (SP);
1021	PUSHs (&PL_sv_yes);	1215	PUSHs (&PL_sv_yes);
1022	PUSHs (fullname);	1216	PUSHs (fullname);
1023	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1217	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1024	PUTBACK;	1218	PUTBACK;
1025	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1219	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1026	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	1220	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1027	SPAGAIN;	1221	SPAGAIN;
1028	FREETMPS;	1222	FREETMPS;
…		…
1031	}	1225	}
1032		1226
1033	oldcxix = cxstack_ix;	1227	oldcxix = cxstack_ix;
1034	}	1228	}
1035		1229
1036	if (cctx->flags & CC_TRACE_LINE)	1230	if (cctx_current->flags & CC_TRACE_LINE)
1037	{	1231	{
1038	dSP;	1232	dSP;
1039		1233
1040	PL_runops = RUNOPS_DEFAULT;	1234	PL_runops = RUNOPS_DEFAULT;
1041	ENTER;	1235	ENTER;
…		…
1060		1254
1061	TAINT_NOT;	1255	TAINT_NOT;
1062	return 0;	1256	return 0;
1063	}	1257	}
1064		1258
1065	static struct coro_cctx *cctx_ssl_cctx;
1066	static struct CoroSLF cctx_ssl_frame;	1259	static struct CoroSLF cctx_ssl_frame;
1067		1260
1068	static void	1261	static void
1069	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1262	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1070	{	1263	{
1071	ta->prev = (struct coro *)cctx_ssl_cctx;
1072	ta->next = 0;	1264	ta->prev = 0;
1073	}	1265	}
1074		1266
1075	static int	1267	static int
1076	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1268	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1077	{	1269	{
…		…
1080	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1272	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1081	}	1273	}
1082		1274
1083	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1275	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1084	static void NOINLINE	1276	static void NOINLINE
1085	cctx_prepare (pTHX_ coro_cctx *cctx)	1277	cctx_prepare (pTHX)
1086	{	1278	{
1087	PL_top_env = &PL_start_env;	1279	PL_top_env = &PL_start_env;
1088		1280
1089	if (cctx->flags & CC_TRACE)	1281	if (cctx_current->flags & CC_TRACE)
1090	PL_runops = runops_trace;	1282	PL_runops = runops_trace;
1091		1283
1092	/* we already must be executing an SLF op, there is no other valid way	1284	/* we already must be executing an SLF op, there is no other valid way
1093	* that can lead to creation of a new cctx */	1285	* that can lead to creation of a new cctx */
1094	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1286	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1095	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1287	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1096		1288
1097	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1289	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1098	cctx_ssl_cctx = cctx;
1099	cctx_ssl_frame = slf_frame;	1290	cctx_ssl_frame = slf_frame;
1100		1291
1101	slf_frame.prepare = slf_prepare_set_stacklevel;	1292	slf_frame.prepare = slf_prepare_set_stacklevel;
1102	slf_frame.check = slf_check_set_stacklevel;	1293	slf_frame.check = slf_check_set_stacklevel;
1103	}	1294	}
…		…
1126	/* normally we would need to skip the entersub here */	1317	/* normally we would need to skip the entersub here */
1127	/* not doing so will re-execute it, which is exactly what we want */	1318	/* not doing so will re-execute it, which is exactly what we want */
1128	/* PL_nop = PL_nop->op_next */	1319	/* PL_nop = PL_nop->op_next */
1129		1320
1130	/* inject a fake subroutine call to cctx_init */	1321	/* inject a fake subroutine call to cctx_init */
1131	cctx_prepare (aTHX_ (coro_cctx *)arg);	1322	cctx_prepare (aTHX);
1132		1323
1133	/* cctx_run is the alternative tail of transfer() */	1324	/* cctx_run is the alternative tail of transfer() */
1134	transfer_tail (aTHX);	1325	transfer_tail (aTHX);
1135		1326
1136	/* somebody or something will hit me for both perl_run and PL_restartop */	1327	/* somebody or something will hit me for both perl_run and PL_restartop */
1137	PL_restartop = PL_op;	1328	PL_restartop = PL_op;
1138	perl_run (PL_curinterp);	1329	perl_run (PL_curinterp);
		1330	/*
		1331	* Unfortunately, there is no way to get at the return values of the
		1332	* coro body here, as perl_run destroys these
		1333	*/
1139		1334
1140	/*	1335	/*
1141	* If perl-run returns we assume exit() was being called or the coro	1336	* If perl-run returns we assume exit() was being called or the coro
1142	* fell off the end, which seems to be the only valid (non-bug)	1337	* fell off the end, which seems to be the only valid (non-bug)
1143	* reason for perl_run to return. We try to exit by jumping to the	1338	* reason for perl_run to return. We try to exit by jumping to the
1144	* bootstrap-time "top" top_env, as we cannot restore the "main"	1339	* bootstrap-time "top" top_env, as we cannot restore the "main"
1145	* coroutine as Coro has no such concept	1340	* coroutine as Coro has no such concept.
		1341	* This actually isn't valid with the pthread backend, but OSes requiring
		1342	* that backend are too broken to do it in a standards-compliant way.
1146	*/	1343	*/
1147	PL_top_env = main_top_env;	1344	PL_top_env = main_top_env;
1148	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1345	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1149	}	1346	}
1150	}	1347	}
…		…
1227	cctx_destroy (coro_cctx *cctx)	1424	cctx_destroy (coro_cctx *cctx)
1228	{	1425	{
1229	if (!cctx)	1426	if (!cctx)
1230	return;	1427	return;
1231		1428
		1429	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1430
1232	--cctx_count;	1431	--cctx_count;
1233	coro_destroy (&cctx->cctx);	1432	coro_destroy (&cctx->cctx);
1234		1433
1235	/* coro_transfer creates new, empty cctx's */	1434	/* coro_transfer creates new, empty cctx's */
1236	if (cctx->sptr)	1435	if (cctx->sptr)
…		…
1299	/* TODO: throwing up here is considered harmful */	1498	/* TODO: throwing up here is considered harmful */
1300		1499
1301	if (expect_true (prev != next))	1500	if (expect_true (prev != next))
1302	{	1501	{
1303	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1502	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1304	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1503	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1305		1504
1306	if (expect_false (next->flags & CF_RUNNING))
1307	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1308
1309	if (expect_false (next->flags & CF_DESTROYED))	1505	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1310	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1506	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1311		1507
1312	#if !PERL_VERSION_ATLEAST (5,10,0)	1508	#if !PERL_VERSION_ATLEAST (5,10,0)
1313	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1509	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1314	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1510	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1315	#endif	1511	#endif
…		…
1321	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1517	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1322	{	1518	{
1323	dSTACKLEVEL;	1519	dSTACKLEVEL;
1324		1520
1325	/* sometimes transfer is only called to set idle_sp */	1521	/* sometimes transfer is only called to set idle_sp */
1326	if (expect_false (!next))	1522	if (expect_false (!prev))
1327	{	1523	{
1328	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1524	cctx_current->idle_sp = STACKLEVEL;
1329	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1525	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1330	}	1526	}
1331	else if (expect_true (prev != next))	1527	else if (expect_true (prev != next))
1332	{	1528	{
1333	coro_cctx *prev__cctx;	1529	coro_cctx *cctx_prev;
1334		1530
1335	if (expect_false (prev->flags & CF_NEW))	1531	if (expect_false (prev->flags & CF_NEW))
1336	{	1532	{
1337	/* create a new empty/source context */	1533	/* create a new empty/source context */
1338	prev->cctx = cctx_new_empty ();
1339	prev->flags &= ~CF_NEW;	1534	prev->flags &= ~CF_NEW;
1340	prev->flags |= CF_RUNNING;	1535	prev->flags |= CF_RUNNING;
1341	}	1536	}
1342		1537
1343	prev->flags &= ~CF_RUNNING;	1538	prev->flags &= ~CF_RUNNING;
…		…
1354	coro_setup (aTHX_ next);	1549	coro_setup (aTHX_ next);
1355	}	1550	}
1356	else	1551	else
1357	load_perl (aTHX_ next);	1552	load_perl (aTHX_ next);
1358		1553
1359	prev__cctx = prev->cctx;
1360
1361	/* possibly untie and reuse the cctx */	1554	/* possibly untie and reuse the cctx */
1362	if (expect_true (	1555	if (expect_true (
1363	prev__cctx->idle_sp == STACKLEVEL	1556	cctx_current->idle_sp == STACKLEVEL
1364	&& !(prev__cctx->flags & CC_TRACE)	1557	&& !(cctx_current->flags & CC_TRACE)
1365	&& !force_cctx	1558	&& !force_cctx
1366	))	1559	))
1367	{	1560	{
1368	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1561	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1369	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1562	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1370		1563
1371	prev->cctx = 0;
1372
1373	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1564	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1374	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1565	/* without this the next cctx_get might destroy the running cctx while still in use */
1375	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1566	if (expect_false (CCTX_EXPIRED (cctx_current)))
1376	if (!next->cctx)	1567	if (expect_true (!next->cctx))
1377	next->cctx = cctx_get (aTHX);	1568	next->cctx = cctx_get (aTHX);
1378		1569
1379	cctx_put (prev__cctx);	1570	cctx_put (cctx_current);
1380	}	1571	}
		1572	else
		1573	prev->cctx = cctx_current;
1381		1574
1382	++next->usecount;	1575	++next->usecount;
1383		1576
1384	if (expect_true (!next->cctx))	1577	cctx_prev = cctx_current;
1385	next->cctx = cctx_get (aTHX);	1578	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1386		1579
1387	if (expect_false (prev__cctx != next->cctx))	1580	next->cctx = 0;
		1581
		1582	if (expect_false (cctx_prev != cctx_current))
1388	{	1583	{
1389	prev__cctx->top_env = PL_top_env;	1584	cctx_prev->top_env = PL_top_env;
1390	PL_top_env = next->cctx->top_env;	1585	PL_top_env = cctx_current->top_env;
1391	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1586	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1392	}	1587	}
1393		1588
1394	transfer_tail (aTHX);	1589	transfer_tail (aTHX);
1395	}	1590	}
1396	}	1591	}
…		…
1404	coro_state_destroy (pTHX_ struct coro *coro)	1599	coro_state_destroy (pTHX_ struct coro *coro)
1405	{	1600	{
1406	if (coro->flags & CF_DESTROYED)	1601	if (coro->flags & CF_DESTROYED)
1407	return 0;	1602	return 0;
1408		1603
1409	if (coro->on_destroy)	1604	if (coro->on_destroy && !PL_dirty)
1410	coro->on_destroy (aTHX_ coro);	1605	coro->on_destroy (aTHX_ coro);
1411		1606
1412	coro->flags |= CF_DESTROYED;	1607	coro->flags |= CF_DESTROYED;
1413		1608
1414	if (coro->flags & CF_READY)	1609	if (coro->flags & CF_READY)
…		…
1418	--coro_nready;	1613	--coro_nready;
1419	}	1614	}
1420	else	1615	else
1421	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1616	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1422		1617
1423	if (coro->mainstack && coro->mainstack != main_mainstack)	1618	if (coro->mainstack
1424	{	1619	&& coro->mainstack != main_mainstack
1425	struct coro temp;	1620	&& coro->slot
1426		1621	&& !PL_dirty)
1427	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1428
1429	save_perl (aTHX_ &temp);
1430	load_perl (aTHX_ coro);
1431
1432	coro_destruct (aTHX_ coro);	1622	coro_destruct_perl (aTHX_ coro);
1433
1434	load_perl (aTHX_ &temp);
1435
1436	coro->slot = 0;
1437	}
1438		1623
1439	cctx_destroy (coro->cctx);	1624	cctx_destroy (coro->cctx);
		1625	SvREFCNT_dec (coro->startcv);
1440	SvREFCNT_dec (coro->args);	1626	SvREFCNT_dec (coro->args);
		1627	SvREFCNT_dec (CORO_THROW);
1441		1628
1442	if (coro->next) coro->next->prev = coro->prev;	1629	if (coro->next) coro->next->prev = coro->prev;
1443	if (coro->prev) coro->prev->next = coro->next;	1630	if (coro->prev) coro->prev->next = coro->next;
1444	if (coro == coro_first) coro_first = coro->next;	1631	if (coro == coro_first) coro_first = coro->next;
1445		1632
…		…
1527	/** Coro ********************************************************************/	1714	/** Coro ********************************************************************/
1528		1715
1529	INLINE void	1716	INLINE void
1530	coro_enq (pTHX_ struct coro *coro)	1717	coro_enq (pTHX_ struct coro *coro)
1531	{	1718	{
1532	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1719	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1533	}
1534		1720
1535	INLINE SV *	1721	SvREFCNT_inc_NN (coro->hv);
		1722
		1723	coro->next_ready = 0;
		1724	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1725	ready [1] = coro;
		1726	}
		1727
		1728	INLINE struct coro *
1536	coro_deq (pTHX)	1729	coro_deq (pTHX)
1537	{	1730	{
1538	int prio;	1731	int prio;
1539		1732
1540	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1733	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1541	if (AvFILLp (coro_ready [prio]) >= 0)	1734	{
1542	return av_shift (coro_ready [prio]);	1735	struct coro **ready = coro_ready [prio];
		1736
		1737	if (ready [0])
		1738	{
		1739	struct coro *coro = ready [0];
		1740	ready [0] = coro->next_ready;
		1741	return coro;
		1742	}
		1743	}
1543		1744
1544	return 0;	1745	return 0;
1545	}	1746	}
1546		1747
1547	static int	1748	static int
…		…
1549	{	1750	{
1550	struct coro *coro;	1751	struct coro *coro;
1551	SV *sv_hook;	1752	SV *sv_hook;
1552	void (*xs_hook)(void);	1753	void (*xs_hook)(void);
1553		1754
1554	if (SvROK (coro_sv))
1555	coro_sv = SvRV (coro_sv);
1556
1557	coro = SvSTATE (coro_sv);	1755	coro = SvSTATE (coro_sv);
1558		1756
1559	if (coro->flags & CF_READY)	1757	if (coro->flags & CF_READY)
1560	return 0;	1758	return 0;
1561		1759
…		…
1592	api_is_ready (pTHX_ SV *coro_sv)	1790	api_is_ready (pTHX_ SV *coro_sv)
1593	{	1791	{
1594	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1792	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1595	}	1793	}
1596		1794
		1795	/* expects to own a reference to next->hv */
1597	INLINE void	1796	INLINE void
1598	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1797	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1599	{	1798	{
1600	SV *prev_sv, *next_sv;
1601
1602	for (;;)
1603	{
1604	next_sv = coro_deq (aTHX);
1605
1606	/* nothing to schedule: call the idle handler */
1607	if (expect_false (!next_sv))
1608	{
1609	dSP;
1610
1611	ENTER;
1612	SAVETMPS;
1613
1614	PUSHMARK (SP);
1615	PUTBACK;
1616	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1617
1618	FREETMPS;
1619	LEAVE;
1620	continue;
1621	}
1622
1623	ta->next = SvSTATE_hv (next_sv);
1624
1625	/* cannot transfer to destroyed coros, skip and look for next */
1626	if (expect_false (ta->next->flags & CF_DESTROYED))
1627	{
1628	SvREFCNT_dec (next_sv);
1629	/* coro_nready has already been taken care of by destroy */
1630	continue;
1631	}
1632
1633	--coro_nready;
1634	break;
1635	}
1636
1637	/* free this only after the transfer */
1638	prev_sv = SvRV (coro_current);	1799	SV *prev_sv = SvRV (coro_current);
		1800
1639	ta->prev = SvSTATE_hv (prev_sv);	1801	ta->prev = SvSTATE_hv (prev_sv);
		1802	ta->next = next;
		1803
1640	TRANSFER_CHECK (*ta);	1804	TRANSFER_CHECK (*ta);
1641	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1805
1642	ta->next->flags &= ~CF_READY;
1643	SvRV_set (coro_current, next_sv);	1806	SvRV_set (coro_current, (SV *)next->hv);
1644		1807
1645	free_coro_mortal (aTHX);	1808	free_coro_mortal (aTHX);
1646	coro_mortal = prev_sv;	1809	coro_mortal = prev_sv;
1647	}	1810	}
1648		1811
		1812	static void
		1813	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1814	{
		1815	for (;;)
		1816	{
		1817	struct coro *next = coro_deq (aTHX);
		1818
		1819	if (expect_true (next))
		1820	{
		1821	/* cannot transfer to destroyed coros, skip and look for next */
		1822	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
		1823	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
		1824	else
		1825	{
		1826	next->flags &= ~CF_READY;
		1827	--coro_nready;
		1828
		1829	prepare_schedule_to (aTHX_ ta, next);
		1830	break;
		1831	}
		1832	}
		1833	else
		1834	{
		1835	/* nothing to schedule: call the idle handler */
		1836	if (SvROK (sv_idle)
		1837	&& SvOBJECT (SvRV (sv_idle)))
		1838	{
		1839	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1840	api_ready (aTHX_ SvRV (sv_idle));
		1841	--coro_nready;
		1842	}
		1843	else
		1844	{
		1845	dSP;
		1846
		1847	ENTER;
		1848	SAVETMPS;
		1849
		1850	PUSHMARK (SP);
		1851	PUTBACK;
		1852	call_sv (sv_idle, G_VOID | G_DISCARD);
		1853
		1854	FREETMPS;
		1855	LEAVE;
		1856	}
		1857	}
		1858	}
		1859	}
		1860
1649	INLINE void	1861	INLINE void
1650	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1862	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1651	{	1863	{
1652	api_ready (aTHX_ coro_current);	1864	api_ready (aTHX_ coro_current);
1653	prepare_schedule (aTHX_ ta);	1865	prepare_schedule (aTHX_ ta);
…		…
1672	{	1884	{
1673	struct coro_transfer_args ta;	1885	struct coro_transfer_args ta;
1674		1886
1675	prepare_schedule (aTHX_ &ta);	1887	prepare_schedule (aTHX_ &ta);
1676	TRANSFER (ta, 1);	1888	TRANSFER (ta, 1);
		1889	}
		1890
		1891	static void
		1892	api_schedule_to (pTHX_ SV *coro_sv)
		1893	{
		1894	struct coro_transfer_args ta;
		1895	struct coro *next = SvSTATE (coro_sv);
		1896
		1897	SvREFCNT_inc_NN (coro_sv);
		1898	prepare_schedule_to (aTHX_ &ta, next);
1677	}	1899	}
1678		1900
1679	static int	1901	static int
1680	api_cede (pTHX)	1902	api_cede (pTHX)
1681	{	1903	{
…		…
1710	static void	1932	static void
1711	api_trace (pTHX_ SV *coro_sv, int flags)	1933	api_trace (pTHX_ SV *coro_sv, int flags)
1712	{	1934	{
1713	struct coro *coro = SvSTATE (coro_sv);	1935	struct coro *coro = SvSTATE (coro_sv);
1714		1936
		1937	if (coro->flags & CF_RUNNING)
		1938	croak ("cannot enable tracing on a running coroutine, caught");
		1939
1715	if (flags & CC_TRACE)	1940	if (flags & CC_TRACE)
1716	{	1941	{
1717	if (!coro->cctx)	1942	if (!coro->cctx)
1718	coro->cctx = cctx_new_run ();	1943	coro->cctx = cctx_new_run ();
1719	else if (!(coro->cctx->flags & CC_TRACE))	1944	else if (!(coro->cctx->flags & CC_TRACE))
1720	croak ("cannot enable tracing on coroutine with custom stack,");	1945	croak ("cannot enable tracing on coroutine with custom stack, caught");
1721		1946
1722	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1947	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1723	}	1948	}
1724	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1949	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1725	{	1950	{
…		…
1730	else	1955	else
1731	coro->slot->runops = RUNOPS_DEFAULT;	1956	coro->slot->runops = RUNOPS_DEFAULT;
1732	}	1957	}
1733	}	1958	}
1734		1959
		1960	static void
		1961	coro_call_on_destroy (pTHX_ struct coro *coro)
		1962	{
		1963	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1964	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1965
		1966	if (on_destroyp)
		1967	{
		1968	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1969
		1970	while (AvFILLp (on_destroy) >= 0)
		1971	{
		1972	dSP; /* don't disturb outer sp */
		1973	SV *cb = av_pop (on_destroy);
		1974
		1975	PUSHMARK (SP);
		1976
		1977	if (statusp)
		1978	{
		1979	int i;
		1980	AV *status = (AV *)SvRV (*statusp);
		1981	EXTEND (SP, AvFILLp (status) + 1);
		1982
		1983	for (i = 0; i <= AvFILLp (status); ++i)
		1984	PUSHs (AvARRAY (status)[i]);
		1985	}
		1986
		1987	PUTBACK;
		1988	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1989	}
		1990	}
		1991	}
		1992
		1993	static void
		1994	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1995	{
		1996	int i;
		1997	HV *hv = (HV *)SvRV (coro_current);
		1998	AV *av = newAV ();
		1999
		2000	av_extend (av, items - 1);
		2001	for (i = 0; i < items; ++i)
		2002	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2003
		2004	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		2005
		2006	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		2007	api_ready (aTHX_ sv_manager);
		2008
		2009	frame->prepare = prepare_schedule;
		2010	frame->check = slf_check_repeat;
		2011
		2012	/* as a minor optimisation, we could unwind all stacks here */
		2013	/* but that puts extra pressure on pp_slf, and is not worth much */
		2014	/*coro_unwind_stacks (aTHX);*/
		2015	}
		2016
		2017	/*****************************************************************************/
		2018	/* async pool handler */
		2019
		2020	static int
		2021	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		2022	{
		2023	HV *hv = (HV *)SvRV (coro_current);
		2024	struct coro *coro = (struct coro *)frame->data;
		2025
		2026	if (!coro->invoke_cb)
		2027	return 1; /* loop till we have invoke */
		2028	else
		2029	{
		2030	hv_store (hv, "desc", sizeof ("desc") - 1,
		2031	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		2032
		2033	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		2034
		2035	{
		2036	dSP;
		2037	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		2038	PUTBACK;
		2039	}
		2040
		2041	SvREFCNT_dec (GvAV (PL_defgv));
		2042	GvAV (PL_defgv) = coro->invoke_av;
		2043	coro->invoke_av = 0;
		2044
		2045	return 0;
		2046	}
		2047	}
		2048
		2049	static void
		2050	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2051	{
		2052	HV *hv = (HV *)SvRV (coro_current);
		2053	struct coro *coro = SvSTATE_hv ((SV *)hv);
		2054
		2055	if (expect_true (coro->saved_deffh))
		2056	{
		2057	/* subsequent iteration */
		2058	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		2059	coro->saved_deffh = 0;
		2060
		2061	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		2062	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2063	{
		2064	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		2065	coro->invoke_av = newAV ();
		2066
		2067	frame->prepare = prepare_nop;
		2068	}
		2069	else
		2070	{
		2071	av_clear (GvAV (PL_defgv));
		2072	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		2073
		2074	coro->prio = 0;
		2075
		2076	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		2077	api_trace (aTHX_ coro_current, 0);
		2078
		2079	frame->prepare = prepare_schedule;
		2080	av_push (av_async_pool, SvREFCNT_inc (hv));
		2081	}
		2082	}
		2083	else
		2084	{
		2085	/* first iteration, simply fall through */
		2086	frame->prepare = prepare_nop;
		2087	}
		2088
		2089	frame->check = slf_check_pool_handler;
		2090	frame->data = (void *)coro;
		2091	}
		2092
1735	/*****************************************************************************/	2093	/*****************************************************************************/
1736	/* rouse callback */	2094	/* rouse callback */
1737		2095
1738	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	2096	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1739		2097
…		…
1744	SV *data = (SV *)GENSUB_ARG;	2102	SV *data = (SV *)GENSUB_ARG;
1745		2103
1746	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2104	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1747	{	2105	{
1748	/* first call, set args */	2106	/* first call, set args */
1749	int i;	2107	SV *coro = SvRV (data);
1750	AV *av = newAV ();	2108	AV *av = newAV ();
1751	SV *coro = SvRV (data);
1752		2109
1753	SvRV_set (data, (SV *)av);	2110	SvRV_set (data, (SV *)av);
1754	api_ready (aTHX_ coro);
1755	SvREFCNT_dec (coro);
1756		2111
1757	/* better take a full copy of the arguments */	2112	/* better take a full copy of the arguments */
1758	while (items--)	2113	while (items--)
1759	av_store (av, items, newSVsv (ST (items)));	2114	av_store (av, items, newSVsv (ST (items)));
		2115
		2116	api_ready (aTHX_ coro);
		2117	SvREFCNT_dec (coro);
1760	}	2118	}
1761		2119
1762	XSRETURN_EMPTY;	2120	XSRETURN_EMPTY;
1763	}	2121	}
1764		2122
…		…
1781		2139
1782	EXTEND (SP, AvFILLp (av) + 1);	2140	EXTEND (SP, AvFILLp (av) + 1);
1783	for (i = 0; i <= AvFILLp (av); ++i)	2141	for (i = 0; i <= AvFILLp (av); ++i)
1784	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2142	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1785		2143
1786	/* we have stolen the elements, so ste length to zero and free */	2144	/* we have stolen the elements, so set length to zero and free */
1787	AvFILLp (av) = -1;	2145	AvFILLp (av) = -1;
1788	av_undef (av);	2146	av_undef (av);
1789		2147
1790	PUTBACK;	2148	PUTBACK;
1791	}	2149	}
…		…
1895	static void	2253	static void
1896	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2254	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1897	{	2255	{
1898	frame->prepare = prepare_schedule;	2256	frame->prepare = prepare_schedule;
1899	frame->check = slf_check_nop;	2257	frame->check = slf_check_nop;
		2258	}
		2259
		2260	static void
		2261	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2262	{
		2263	struct coro *next = (struct coro *)slf_frame.data;
		2264
		2265	SvREFCNT_inc_NN (next->hv);
		2266	prepare_schedule_to (aTHX_ ta, next);
		2267	}
		2268
		2269	static void
		2270	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2271	{
		2272	if (!items)
		2273	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2274
		2275	frame->data = (void *)SvSTATE (arg [0]);
		2276	frame->prepare = slf_prepare_schedule_to;
		2277	frame->check = slf_check_nop;
		2278	}
		2279
		2280	static void
		2281	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2282	{
		2283	api_ready (aTHX_ SvRV (coro_current));
		2284
		2285	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1900	}	2286	}
1901		2287
1902	static void	2288	static void
1903	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2289	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1904	{	2290	{
…		…
2050	}	2436	}
2051	else	2437	else
2052	slf_argc = 0;	2438	slf_argc = 0;
2053		2439
2054	PL_op->op_ppaddr = pp_slf;	2440	PL_op->op_ppaddr = pp_slf;
2055	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2441	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2056		2442
2057	PL_op = (OP *)&slf_restore;	2443	PL_op = (OP *)&slf_restore;
		2444	}
		2445
		2446	/*****************************************************************************/
		2447	/* dynamic wind */
		2448
		2449	static void
		2450	on_enterleave_call (pTHX_ SV *cb)
		2451	{
		2452	dSP;
		2453
		2454	PUSHSTACK;
		2455
		2456	PUSHMARK (SP);
		2457	PUTBACK;
		2458	call_sv (cb, G_VOID | G_DISCARD);
		2459	SPAGAIN;
		2460
		2461	POPSTACK;
		2462	}
		2463
		2464	static SV *
		2465	coro_avp_pop_and_free (pTHX_ AV **avp)
		2466	{
		2467	AV *av = *avp;
		2468	SV *res = av_pop (av);
		2469
		2470	if (AvFILLp (av) < 0)
		2471	{
		2472	*avp = 0;
		2473	SvREFCNT_dec (av);
		2474	}
		2475
		2476	return res;
		2477	}
		2478
		2479	static void
		2480	coro_pop_on_enter (pTHX_ void *coro)
		2481	{
		2482	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2483	SvREFCNT_dec (cb);
		2484	}
		2485
		2486	static void
		2487	coro_pop_on_leave (pTHX_ void *coro)
		2488	{
		2489	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2490	on_enterleave_call (aTHX_ sv_2mortal (cb));
2058	}	2491	}
2059		2492
2060	/*****************************************************************************/	2493	/*****************************************************************************/
2061	/* PerlIO::cede */	2494	/* PerlIO::cede */
2062		2495
…		…
2136	/* Coro::Semaphore & Coro::Signal */	2569	/* Coro::Semaphore & Coro::Signal */
2137		2570
2138	static SV *	2571	static SV *
2139	coro_waitarray_new (pTHX_ int count)	2572	coro_waitarray_new (pTHX_ int count)
2140	{	2573	{
2141	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2574	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2142	AV *av = newAV ();	2575	AV *av = newAV ();
2143	SV **ary;	2576	SV **ary;
2144		2577
2145	/* unfortunately, building manually saves memory */	2578	/* unfortunately, building manually saves memory */
2146	Newx (ary, 2, SV *);	2579	Newx (ary, 2, SV *);
2147	AvALLOC (av) = ary;	2580	AvALLOC (av) = ary;
		2581	#if PERL_VERSION_ATLEAST (5,10,0)
2148	/*AvARRAY (av) = ary;*/	2582	AvARRAY (av) = ary;
		2583	#else
2149	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2584	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2585	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2586	SvPVX ((SV *)av) = (char *)ary;
		2587	#endif
2150	AvMAX (av) = 1;	2588	AvMAX (av) = 1;
2151	AvFILLp (av) = 0;	2589	AvFILLp (av) = 0;
2152	ary [0] = newSViv (count);	2590	ary [0] = newSViv (count);
2153		2591
2154	return newRV_noinc ((SV *)av);	2592	return newRV_noinc ((SV *)av);
…		…
2283	{	2721	{
2284	if (items >= 2)	2722	if (items >= 2)
2285	{	2723	{
2286	/* callback form */	2724	/* callback form */
2287	AV *av = (AV *)SvRV (arg [0]);	2725	AV *av = (AV *)SvRV (arg [0]);
2288	HV *st;	2726	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2289	GV *gvp;
2290	CV *cb_cv = sv_2cv (arg [1], &st, &gvp, 0);
2291		2727
2292	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2728	av_push (av, SvREFCNT_inc_NN (cb_cv));
2293		2729
2294	if (SvIVX (AvARRAY (av)[0]) > 0)	2730	if (SvIVX (AvARRAY (av)[0]) > 0)
2295	coro_semaphore_adjust (aTHX_ av, 0);	2731	coro_semaphore_adjust (aTHX_ av, 0);
2296		2732
2297	frame->prepare = prepare_nop;	2733	frame->prepare = prepare_nop;
…		…
2321	AvARRAY (av)[0] = AvARRAY (av)[1];	2757	AvARRAY (av)[0] = AvARRAY (av)[1];
2322	AvARRAY (av)[1] = cb;	2758	AvARRAY (av)[1] = cb;
2323		2759
2324	cb = av_shift (av);	2760	cb = av_shift (av);
2325		2761
		2762	if (SvTYPE (cb) == SVt_PVCV)
		2763	{
		2764	dSP;
		2765	PUSHMARK (SP);
		2766	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2767	PUTBACK;
		2768	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2769	}
		2770	else
		2771	{
2326	api_ready (aTHX_ cb);	2772	api_ready (aTHX_ cb);
2327	sv_setiv (cb, 0); /* signal waiter */	2773	sv_setiv (cb, 0); /* signal waiter */
		2774	}
		2775
2328	SvREFCNT_dec (cb);	2776	SvREFCNT_dec (cb);
2329		2777
2330	--count;	2778	--count;
2331	}	2779	}
2332	}	2780	}
…		…
2341	static void	2789	static void
2342	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2790	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2343	{	2791	{
2344	AV *av = (AV *)SvRV (arg [0]);	2792	AV *av = (AV *)SvRV (arg [0]);
2345		2793
		2794	if (items >= 2)
		2795	{
		2796	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2797	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2798
2346	if (SvIVX (AvARRAY (av)[0]))	2799	if (SvIVX (AvARRAY (av)[0]))
		2800	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2801
		2802	frame->prepare = prepare_nop;
		2803	frame->check = slf_check_nop;
		2804	}
		2805	else if (SvIVX (AvARRAY (av)[0]))
2347	{	2806	{
2348	SvIVX (AvARRAY (av)[0]) = 0;	2807	SvIVX (AvARRAY (av)[0]) = 0;
2349	frame->prepare = prepare_nop;	2808	frame->prepare = prepare_nop;
2350	frame->check = slf_check_nop;	2809	frame->check = slf_check_nop;
2351	}	2810	}
2352	else	2811	else
2353	{	2812	{
2354	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */	2813	SV *waiter = newSVsv (coro_current); /* owned by signal av */
2355		2814
2356	av_push (av, waiter);	2815	av_push (av, waiter);
2357		2816
2358	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2817	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2359	frame->prepare = prepare_schedule;	2818	frame->prepare = prepare_schedule;
…		…
2381	dXSARGS;	2840	dXSARGS;
2382	AV *state = (AV *)GENSUB_ARG;	2841	AV *state = (AV *)GENSUB_ARG;
2383	SV *coro = av_pop (state);	2842	SV *coro = av_pop (state);
2384	SV *data_sv = newSV (sizeof (struct io_state));	2843	SV *data_sv = newSV (sizeof (struct io_state));
2385		2844
2386	av_extend (state, items);	2845	av_extend (state, items - 1);
2387		2846
2388	sv_upgrade (data_sv, SVt_PV);	2847	sv_upgrade (data_sv, SVt_PV);
2389	SvCUR_set (data_sv, sizeof (struct io_state));	2848	SvCUR_set (data_sv, sizeof (struct io_state));
2390	SvPOK_only (data_sv);	2849	SvPOK_only (data_sv);
2391		2850
…		…
2526	XSRETURN_EMPTY;	2985	XSRETURN_EMPTY;
2527	}	2986	}
2528		2987
2529	/*****************************************************************************/	2988	/*****************************************************************************/
2530		2989
		2990	#if CORO_CLONE
		2991	# include "clone.c"
		2992	#endif
		2993
2531	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2994	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2532		2995
2533	PROTOTYPES: DISABLE	2996	PROTOTYPES: DISABLE
2534		2997
2535	BOOT:	2998	BOOT:
…		…
2539	coro_thx = PERL_GET_CONTEXT;	3002	coro_thx = PERL_GET_CONTEXT;
2540	# endif	3003	# endif
2541	#endif	3004	#endif
2542	BOOT_PAGESIZE;	3005	BOOT_PAGESIZE;
2543		3006
		3007	cctx_current = cctx_new_empty ();
		3008
2544	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	3009	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2545	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	3010	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2546		3011
2547	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3012	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2548	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3013	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2567		3032
2568	{	3033	{
2569	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	3034	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2570		3035
2571	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	3036	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2572	hv_store_ent (PL_custom_op_names, slf,	3037	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2573	newSVpv ("coro_slf", 0), 0);
2574		3038
2575	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	3039	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2576	hv_store_ent (PL_custom_op_descs, slf,	3040	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2577	newSVpv ("coro schedule like function", 0), 0);
2578	}	3041	}
2579		3042
2580	coroapi.ver = CORO_API_VERSION;	3043	coroapi.ver = CORO_API_VERSION;
2581	coroapi.rev = CORO_API_REVISION;	3044	coroapi.rev = CORO_API_REVISION;
2582		3045
…		…
2594		3057
2595	if (!svp) croak ("Time::HiRes is required");	3058	if (!svp) croak ("Time::HiRes is required");
2596	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3059	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2597		3060
2598	nvtime = INT2PTR (double (*)(), SvIV (*svp));	3061	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		3062
		3063	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3064	u2time = INT2PTR (double (*)(), SvIV (*svp));
2599	}	3065	}
2600		3066
2601	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3067	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2602	}	3068	}
2603		3069
2604	SV *	3070	SV *
2605	new (char *klass, ...)	3071	new (char *klass, ...)
		3072	ALIAS:
		3073	Coro::new = 1
2606	CODE:	3074	CODE:
2607	{	3075	{
2608	struct coro *coro;	3076	struct coro *coro;
2609	MAGIC *mg;	3077	MAGIC *mg;
2610	HV *hv;	3078	HV *hv;
		3079	CV *cb;
2611	int i;	3080	int i;
		3081
		3082	if (items > 1)
		3083	{
		3084	cb = coro_sv_2cv (aTHX_ ST (1));
		3085
		3086	if (!ix)
		3087	{
		3088	if (CvISXSUB (cb))
		3089	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		3090
		3091	if (!CvROOT (cb))
		3092	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		3093	}
		3094	}
2612		3095
2613	Newz (0, coro, 1, struct coro);	3096	Newz (0, coro, 1, struct coro);
2614	coro->args = newAV ();	3097	coro->args = newAV ();
2615	coro->flags = CF_NEW;	3098	coro->flags = CF_NEW;
2616		3099
…		…
2621	coro->hv = hv = newHV ();	3104	coro->hv = hv = newHV ();
2622	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	3105	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2623	mg->mg_flags |= MGf_DUP;	3106	mg->mg_flags |= MGf_DUP;
2624	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	3107	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2625		3108
		3109	if (items > 1)
		3110	{
2626	av_extend (coro->args, items - 1);	3111	av_extend (coro->args, items - 1 + ix - 1);
		3112
		3113	if (ix)
		3114	{
		3115	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		3116	cb = cv_coro_run;
		3117	}
		3118
		3119	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		3120
2627	for (i = 1; i < items; i++)	3121	for (i = 2; i < items; i++)
2628	av_push (coro->args, newSVsv (ST (i)));	3122	av_push (coro->args, newSVsv (ST (i)));
		3123	}
2629	}	3124	}
2630	OUTPUT:	3125	OUTPUT:
2631	RETVAL	3126	RETVAL
2632		3127
2633	void	3128	void
…		…
2646	void	3141	void
2647	_exit (int code)	3142	_exit (int code)
2648	PROTOTYPE: $	3143	PROTOTYPE: $
2649	CODE:	3144	CODE:
2650	_exit (code);	3145	_exit (code);
		3146
		3147	SV *
		3148	clone (Coro::State coro)
		3149	CODE:
		3150	{
		3151	#if CORO_CLONE
		3152	struct coro *ncoro = coro_clone (aTHX_ coro);
		3153	MAGIC *mg;
		3154	/* TODO: too much duplication */
		3155	ncoro->hv = newHV ();
		3156	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		3157	mg->mg_flags |= MGf_DUP;
		3158	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3159	#else
		3160	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3161	#endif
		3162	}
		3163	OUTPUT:
		3164	RETVAL
2651		3165
2652	int	3166	int
2653	cctx_stacksize (int new_stacksize = 0)	3167	cctx_stacksize (int new_stacksize = 0)
2654	PROTOTYPE: ;$	3168	PROTOTYPE: ;$
2655	CODE:	3169	CODE:
…		…
2705	eval = 1	3219	eval = 1
2706	CODE:	3220	CODE:
2707	{	3221	{
2708	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3222	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2709	{	3223	{
2710	struct coro temp;	3224	struct coro *current = SvSTATE_current;
2711		3225
2712	if (!(coro->flags & CF_RUNNING))	3226	if (current != coro)
2713	{	3227	{
2714	PUTBACK;	3228	PUTBACK;
2715	save_perl (aTHX_ &temp);	3229	save_perl (aTHX_ current);
2716	load_perl (aTHX_ coro);	3230	load_perl (aTHX_ coro);
		3231	SPAGAIN;
2717	}	3232	}
2718		3233
2719	{
2720	dSP;
2721	ENTER;
2722	SAVETMPS;
2723	PUTBACK;
2724	PUSHSTACK;	3234	PUSHSTACK;
		3235
2725	PUSHMARK (SP);	3236	PUSHMARK (SP);
		3237	PUTBACK;
2726		3238
2727	if (ix)	3239	if (ix)
2728	eval_sv (coderef, 0);	3240	eval_sv (coderef, 0);
2729	else	3241	else
2730	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3242	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2731		3243
2732	POPSTACK;	3244	POPSTACK;
2733	SPAGAIN;	3245	SPAGAIN;
2734	FREETMPS;
2735	LEAVE;
2736	PUTBACK;
2737	}
2738		3246
2739	if (!(coro->flags & CF_RUNNING))	3247	if (current != coro)
2740	{	3248	{
		3249	PUTBACK;
2741	save_perl (aTHX_ coro);	3250	save_perl (aTHX_ coro);
2742	load_perl (aTHX_ &temp);	3251	load_perl (aTHX_ current);
2743	SPAGAIN;	3252	SPAGAIN;
2744	}	3253	}
2745	}	3254	}
2746	}	3255	}
2747		3256
…		…
2751	ALIAS:	3260	ALIAS:
2752	is_ready = CF_READY	3261	is_ready = CF_READY
2753	is_running = CF_RUNNING	3262	is_running = CF_RUNNING
2754	is_new = CF_NEW	3263	is_new = CF_NEW
2755	is_destroyed = CF_DESTROYED	3264	is_destroyed = CF_DESTROYED
		3265	is_suspended = CF_SUSPENDED
2756	CODE:	3266	CODE:
2757	RETVAL = boolSV (coro->flags & ix);	3267	RETVAL = boolSV (coro->flags & ix);
2758	OUTPUT:	3268	OUTPUT:
2759	RETVAL	3269	RETVAL
2760		3270
…		…
2764	CODE:	3274	CODE:
2765	{	3275	{
2766	struct coro *current = SvSTATE_current;	3276	struct coro *current = SvSTATE_current;
2767	SV **throwp = self == current ? &CORO_THROW : &self->except;	3277	SV **throwp = self == current ? &CORO_THROW : &self->except;
2768	SvREFCNT_dec (*throwp);	3278	SvREFCNT_dec (*throwp);
		3279	SvGETMAGIC (throw);
2769	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3280	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
2770	}	3281	}
2771		3282
2772	void	3283	void
2773	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3284	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
…		…
2776		3287
2777	SV *	3288	SV *
2778	has_cctx (Coro::State coro)	3289	has_cctx (Coro::State coro)
2779	PROTOTYPE: $	3290	PROTOTYPE: $
2780	CODE:	3291	CODE:
2781	RETVAL = boolSV (!!coro->cctx);	3292	/* maybe manage the running flag differently */
		3293	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2782	OUTPUT:	3294	OUTPUT:
2783	RETVAL	3295	RETVAL
2784		3296
2785	int	3297	int
2786	is_traced (Coro::State coro)	3298	is_traced (Coro::State coro)
…		…
2806		3318
2807	void	3319	void
2808	force_cctx ()	3320	force_cctx ()
2809	PROTOTYPE:	3321	PROTOTYPE:
2810	CODE:	3322	CODE:
2811	SvSTATE_current->cctx->idle_sp = 0;	3323	cctx_current->idle_sp = 0;
2812		3324
2813	void	3325	void
2814	swap_defsv (Coro::State self)	3326	swap_defsv (Coro::State self)
2815	PROTOTYPE: $	3327	PROTOTYPE: $
2816	ALIAS:	3328	ALIAS:
…		…
2824	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3336	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2825		3337
2826	SV *tmp = *src; *src = *dst; *dst = tmp;	3338	SV *tmp = *src; *src = *dst; *dst = tmp;
2827	}	3339	}
2828		3340
		3341	void
		3342	cancel (Coro::State self)
		3343	CODE:
		3344	coro_state_destroy (aTHX_ self);
		3345	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3346
		3347
		3348	SV *
		3349	enable_times (int enabled = enable_times)
		3350	CODE:
		3351	{
		3352	RETVAL = boolSV (enable_times);
		3353
		3354	if (enabled != enable_times)
		3355	{
		3356	enable_times = enabled;
		3357
		3358	coro_times_update ();
		3359	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3360	}
		3361	}
		3362	OUTPUT:
		3363	RETVAL
		3364
		3365	void
		3366	times (Coro::State self)
		3367	PPCODE:
		3368	{
		3369	struct coro *current = SvSTATE (coro_current);
		3370
		3371	if (expect_false (current == self))
		3372	{
		3373	coro_times_update ();
		3374	coro_times_add (SvSTATE (coro_current));
		3375	}
		3376
		3377	EXTEND (SP, 2);
		3378	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3379	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3380
		3381	if (expect_false (current == self))
		3382	coro_times_sub (SvSTATE (coro_current));
		3383	}
2829		3384
2830	MODULE = Coro::State PACKAGE = Coro	3385	MODULE = Coro::State PACKAGE = Coro
2831		3386
2832	BOOT:	3387	BOOT:
2833	{	3388	{
2834	int i;
2835
2836	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2837	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3389	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2838	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3390	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2839		3391	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
		3392	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2840	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3393	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2841	SvREADONLY_on (coro_current);	3394	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3395	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3396	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3397	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3398
		3399	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3400	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3401	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3402	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2842		3403
2843	coro_stash = gv_stashpv ("Coro", TRUE);	3404	coro_stash = gv_stashpv ("Coro", TRUE);
2844		3405
2845	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3406	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
2846	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3407	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
2847	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3408	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
2848	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3409	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
2849	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3410	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
2850	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3411	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
2851
2852	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
2853	coro_ready[i] = newAV ();
2854		3412
2855	{	3413	{
2856	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3414	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2857		3415
2858	coroapi.schedule = api_schedule;	3416	coroapi.schedule = api_schedule;
		3417	coroapi.schedule_to = api_schedule_to;
2859	coroapi.cede = api_cede;	3418	coroapi.cede = api_cede;
2860	coroapi.cede_notself = api_cede_notself;	3419	coroapi.cede_notself = api_cede_notself;
2861	coroapi.ready = api_ready;	3420	coroapi.ready = api_ready;
2862	coroapi.is_ready = api_is_ready;	3421	coroapi.is_ready = api_is_ready;
2863	coroapi.nready = coro_nready;	3422	coroapi.nready = coro_nready;
…		…
2868	SvREADONLY_on (sv);	3427	SvREADONLY_on (sv);
2869	}	3428	}
2870	}	3429	}
2871		3430
2872	void	3431	void
		3432	terminate (...)
		3433	CODE:
		3434	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3435
		3436	void
2873	schedule (...)	3437	schedule (...)
2874	CODE:	3438	CODE:
2875	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3439	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3440
		3441	void
		3442	schedule_to (...)
		3443	CODE:
		3444	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3445
		3446	void
		3447	cede_to (...)
		3448	CODE:
		3449	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2876		3450
2877	void	3451	void
2878	cede (...)	3452	cede (...)
2879	CODE:	3453	CODE:
2880	CORO_EXECUTE_SLF_XS (slf_init_cede);	3454	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
2894	void	3468	void
2895	_set_readyhook (SV *hook)	3469	_set_readyhook (SV *hook)
2896	PROTOTYPE: $	3470	PROTOTYPE: $
2897	CODE:	3471	CODE:
2898	SvREFCNT_dec (coro_readyhook);	3472	SvREFCNT_dec (coro_readyhook);
		3473	SvGETMAGIC (hook);
2899	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3474	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
2900		3475
2901	int	3476	int
2902	prio (Coro::State coro, int newprio = 0)	3477	prio (Coro::State coro, int newprio = 0)
2903	PROTOTYPE: $;$	3478	PROTOTYPE: $;$
…		…
2910	if (items > 1)	3485	if (items > 1)
2911	{	3486	{
2912	if (ix)	3487	if (ix)
2913	newprio = coro->prio - newprio;	3488	newprio = coro->prio - newprio;
2914		3489
2915	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3490	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
2916	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3491	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
2917		3492
2918	coro->prio = newprio;	3493	coro->prio = newprio;
2919	}	3494	}
2920	}	3495	}
2921	OUTPUT:	3496	OUTPUT:
…		…
2935	CODE:	3510	CODE:
2936	RETVAL = coro_nready;	3511	RETVAL = coro_nready;
2937	OUTPUT:	3512	OUTPUT:
2938	RETVAL	3513	RETVAL
2939		3514
2940	# for async_pool speedup
2941	void	3515	void
2942	_pool_1 (SV *cb)	3516	suspend (Coro::State self)
		3517	PROTOTYPE: $
2943	CODE:	3518	CODE:
2944	{	3519	self->flags |= CF_SUSPENDED;
2945	HV *hv = (HV *)SvRV (coro_current);
2946	struct coro *coro = SvSTATE_hv ((SV *)hv);
2947	AV *defav = GvAV (PL_defgv);
2948	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2949	AV *invoke_av;
2950	int i, len;
2951		3520
2952	if (!invoke)	3521	void
		3522	resume (Coro::State self)
		3523	PROTOTYPE: $
		3524	CODE:
		3525	self->flags &= ~CF_SUSPENDED;
		3526
		3527	void
		3528	_pool_handler (...)
		3529	CODE:
		3530	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
		3531
		3532	void
		3533	async_pool (SV *cv, ...)
		3534	PROTOTYPE: &@
		3535	PPCODE:
		3536	{
		3537	HV *hv = (HV *)av_pop (av_async_pool);
		3538	AV *av = newAV ();
		3539	SV *cb = ST (0);
		3540	int i;
		3541
		3542	av_extend (av, items - 2);
		3543	for (i = 1; i < items; ++i)
		3544	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3545
		3546	if ((SV *)hv == &PL_sv_undef)
2953	{	3547	{
2954	SV *old = PL_diehook;	3548	PUSHMARK (SP);
2955	PL_diehook = 0;	3549	EXTEND (SP, 2);
2956	SvREFCNT_dec (old);	3550	PUSHs (sv_Coro);
2957	croak ("\3async_pool terminate\2\n");	3551	PUSHs ((SV *)cv_pool_handler);
		3552	PUTBACK;
		3553	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3554	SPAGAIN;
		3555
		3556	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2958	}	3557	}
2959		3558
2960	SvREFCNT_dec (coro->saved_deffh);
2961	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2962
2963	hv_store (hv, "desc", sizeof ("desc") - 1,
2964	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2965
2966	invoke_av = (AV *)SvRV (invoke);
2967	len = av_len (invoke_av);
2968
2969	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2970
2971	if (len > 0)
2972	{	3559	{
2973	av_fill (defav, len - 1);	3560	struct coro *coro = SvSTATE_hv (hv);
2974	for (i = 0; i < len; ++i)	3561
2975	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3562	assert (!coro->invoke_cb);
		3563	assert (!coro->invoke_av);
		3564	coro->invoke_cb = SvREFCNT_inc (cb);
		3565	coro->invoke_av = av;
2976	}	3566	}
2977	}
2978		3567
2979	void	3568	api_ready (aTHX_ (SV *)hv);
2980	_pool_2 (SV *cb)
2981	CODE:
2982	{
2983	HV *hv = (HV *)SvRV (coro_current);
2984	struct coro *coro = SvSTATE_hv ((SV *)hv);
2985		3569
2986	sv_setsv (cb, &PL_sv_undef);	3570	if (GIMME_V != G_VOID)
2987		3571	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
2988	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3572	else
2989	coro->saved_deffh = 0;
2990
2991	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2992	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2993	{
2994	SV *old = PL_diehook;
2995	PL_diehook = 0;
2996	SvREFCNT_dec (old);	3573	SvREFCNT_dec (hv);
2997	croak ("\3async_pool terminate\2\n");
2998	}
2999
3000	av_clear (GvAV (PL_defgv));
3001	hv_store (hv, "desc", sizeof ("desc") - 1,
3002	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
3003
3004	coro->prio = 0;
3005
3006	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
3007	api_trace (aTHX_ coro_current, 0);
3008
3009	av_push (av_async_pool, newSVsv (coro_current));
3010	}	3574	}
3011		3575
3012	SV *	3576	SV *
3013	rouse_cb ()	3577	rouse_cb ()
3014	PROTOTYPE:	3578	PROTOTYPE:
…		…
3021	rouse_wait (...)	3585	rouse_wait (...)
3022	PROTOTYPE: ;$	3586	PROTOTYPE: ;$
3023	PPCODE:	3587	PPCODE:
3024	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3588	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3025		3589
		3590	void
		3591	on_enter (SV *block)
		3592	ALIAS:
		3593	on_leave = 1
		3594	PROTOTYPE: &
		3595	CODE:
		3596	{
		3597	struct coro *coro = SvSTATE_current;
		3598	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3599
		3600	block = (SV *)coro_sv_2cv (aTHX_ block);
		3601
		3602	if (!*avp)
		3603	*avp = newAV ();
		3604
		3605	av_push (*avp, SvREFCNT_inc (block));
		3606
		3607	if (!ix)
		3608	on_enterleave_call (aTHX_ block);
		3609
		3610	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3611	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3612	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3613	}
		3614
3026		3615
3027	MODULE = Coro::State PACKAGE = PerlIO::cede	3616	MODULE = Coro::State PACKAGE = PerlIO::cede
3028		3617
3029	BOOT:	3618	BOOT:
3030	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3619	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3033	MODULE = Coro::State PACKAGE = Coro::Semaphore	3622	MODULE = Coro::State PACKAGE = Coro::Semaphore
3034		3623
3035	SV *	3624	SV *
3036	new (SV *klass, SV *count = 0)	3625	new (SV *klass, SV *count = 0)
3037	CODE:	3626	CODE:
		3627	{
		3628	int semcnt = 1;
		3629
		3630	if (count)
		3631	{
		3632	SvGETMAGIC (count);
		3633
		3634	if (SvOK (count))
		3635	semcnt = SvIV (count);
		3636	}
		3637
3038	RETVAL = sv_bless (	3638	RETVAL = sv_bless (
3039	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3639	coro_waitarray_new (aTHX_ semcnt),
3040	GvSTASH (CvGV (cv))	3640	GvSTASH (CvGV (cv))
3041	);	3641	);
		3642	}
3042	OUTPUT:	3643	OUTPUT:
3043	RETVAL	3644	RETVAL
3044		3645
3045	# helper for Coro::Channel	3646	# helper for Coro::Channel and others
3046	SV *	3647	SV *
3047	_alloc (int count)	3648	_alloc (int count)
3048	CODE:	3649	CODE:
3049	RETVAL = coro_waitarray_new (aTHX_ count);	3650	RETVAL = coro_waitarray_new (aTHX_ count);
3050	OUTPUT:	3651	OUTPUT:
…		…
3108	for (i = 1; i <= wcount; ++i)	3709	for (i = 1; i <= wcount; ++i)
3109	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3710	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3110	}	3711	}
3111	}	3712	}
3112		3713
		3714	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3715
		3716	void
		3717	_may_delete (SV *sem, int count, int extra_refs)
		3718	PPCODE:
		3719	{
		3720	AV *av = (AV *)SvRV (sem);
		3721
		3722	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3723	&& AvFILLp (av) == 0 /* no waiters, just count */
		3724	&& SvIV (AvARRAY (av)[0]) == count)
		3725	XSRETURN_YES;
		3726
		3727	XSRETURN_NO;
		3728	}
		3729
3113	MODULE = Coro::State PACKAGE = Coro::Signal	3730	MODULE = Coro::State PACKAGE = Coro::Signal
3114		3731
3115	SV *	3732	SV *
3116	new (SV *klass)	3733	new (SV *klass)
3117	CODE:	3734	CODE:
…		…
3188		3805
3189	void	3806	void
3190	_register (char *target, char *proto, SV *req)	3807	_register (char *target, char *proto, SV *req)
3191	CODE:	3808	CODE:
3192	{	3809	{
3193	HV *st;	3810	CV *req_cv = coro_sv_2cv (aTHX_ req);
3194	GV *gvp;
3195	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
3196	/* newXSproto doesn't return the CV on 5.8 */	3811	/* newXSproto doesn't return the CV on 5.8 */
3197	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3812	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3198	sv_setpv ((SV *)slf_cv, proto);	3813	sv_setpv ((SV *)slf_cv, proto);
3199	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3814	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3200	}	3815	}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines