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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs.
Revision 1.361 by root, Wed Jul 1 07:26:40 2009 UTC

…		…
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;
181	static SV *sv_async_pool_idle;	202	static SV sv_async_pool_idle; / description string */
182	static AV *av_async_pool;	203	static AV av_async_pool; / idle pool */
183	static SV *sv_Coro;	204	static SV sv_Coro; / class string */
184	static CV *cv_pool_handler;	205	static CV *cv_pool_handler;
185	static CV *cv_coro_new;	206	static CV *cv_coro_state_new;
186		207
187	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
188	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;
189		216
190	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
191	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
192		219
193	enum {	220	enum {
…		…
219	int valgrind_id;	246	int valgrind_id;
220	#endif	247	#endif
221	unsigned char flags;	248	unsigned char flags;
222	} coro_cctx;	249	} coro_cctx;
223		250
		251	coro_cctx cctx_current; / the currently running cctx */
		252
		253	/*****************************************************************************/
		254
224	enum {	255	enum {
225	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
226	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
227	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
228	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 */
229	};	261	};
230		262
231	/* 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 */
232	typedef struct	264	typedef struct
233	{	265	{
234	SV *defsv;	266	SV *defsv;
235	AV *defav;	267	AV *defav;
236	SV *errsv;	268	SV *errsv;
237	SV *irsgv;	269	SV *irsgv;
		270	HV *hinthv;
238	#define VAR(name,type) type name;	271	#define VAR(name,type) type name;
239	# include "state.h"	272	# include "state.h"
240	#undef VAR	273	#undef VAR
241	} perl_slots;	274	} perl_slots;
242		275
…		…
244		277
245	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
246	struct coro {	279	struct coro {
247	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
248	coro_cctx *cctx;	281	coro_cctx *cctx;
		282
		283	/* ready queue */
		284	struct coro *next_ready;
249		285
250	/* state data */	286	/* state data */
251	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
252	AV *mainstack;	288	AV *mainstack;
253	perl_slots slot; / basically the saved sp */	289	perl_slots slot; / basically the saved sp */
…		…
270	/* async_pool */	306	/* async_pool */
271	SV *saved_deffh;	307	SV *saved_deffh;
272	SV *invoke_cb;	308	SV *invoke_cb;
273	AV *invoke_av;	309	AV *invoke_av;
274		310
		311	/* on_enter/on_leave */
		312	AV *on_enter;
		313	AV *on_leave;
		314
		315	/* times */
		316	coro_ts t_cpu, t_real;
		317
275	/* linked list */	318	/* linked list */
276	struct coro next, prev;	319	struct coro next, prev;
277	};	320	};
278		321
279	typedef struct coro *Coro__State;	322	typedef struct coro *Coro__State;
…		…
284	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
285	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
286		329
287	/ Coro ******************************************************************/	330	/ Coro ******************************************************************/
288		331
289	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
290	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
291	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
292	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
293	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
294	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
295		338
296	/* for Coro.pm */	339	/* for Coro.pm */
297	static SV *coro_current;	340	static SV *coro_current;
298	static SV *coro_readyhook;	341	static SV *coro_readyhook;
299	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 */
300	static CV cv_coro_run, cv_coro_terminate;	343	static CV cv_coro_run, cv_coro_terminate;
301	static struct coro *coro_first;	344	static struct coro *coro_first;
302	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
303		346
304	/ lowlevel stuff ********************************************************/	347	/ lowlevel stuff ********************************************************/
…		…
337	INLINE CV *	380	INLINE CV *
338	coro_sv_2cv (pTHX_ SV *sv)	381	coro_sv_2cv (pTHX_ SV *sv)
339	{	382	{
340	HV *st;	383	HV *st;
341	GV *gvp;	384	GV *gvp;
342	return sv_2cv (sv, &st, &gvp, 0);	385	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		386
		387	if (!cv)
		388	croak ("code reference expected");
		389
		390	return cv;
343	}	391	}
		392
		393	INLINE void
		394	coro_times_update ()
		395	{
		396	#ifdef coro_clock_gettime
		397	struct timespec ts;
		398
		399	ts.tv_sec = ts.tv_nsec = 0;
		400	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		401	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		402
		403	ts.tv_sec = ts.tv_nsec = 0;
		404	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		405	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		406	#else
		407	dTHX;
		408	UV tv[2];
		409
		410	u2time (aTHX_ &tv);
		411	time_real [0] = tv [0];
		412	time_real [1] = tv [1] * 1000;
		413	#endif
		414	}
		415
		416	INLINE void
		417	coro_times_add (struct coro *c)
		418	{
		419	c->t_real [1] += time_real [1];
		420	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		421	c->t_real [0] += time_real [0];
		422
		423	c->t_cpu [1] += time_cpu [1];
		424	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		425	c->t_cpu [0] += time_cpu [0];
		426	}
		427
		428	INLINE void
		429	coro_times_sub (struct coro *c)
		430	{
		431	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		432	c->t_real [1] -= time_real [1];
		433	c->t_real [0] -= time_real [0];
		434
		435	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		436	c->t_cpu [1] -= time_cpu [1];
		437	c->t_cpu [0] -= time_cpu [0];
		438	}
		439
		440	/*****************************************************************************/
		441	/* magic glue */
		442
		443	#define CORO_MAGIC_type_cv 26
		444	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		445
		446	#define CORO_MAGIC_NN(sv, type) \
		447	(expect_true (SvMAGIC (sv)->mg_type == type) \
		448	? SvMAGIC (sv) \
		449	: mg_find (sv, type))
		450
		451	#define CORO_MAGIC(sv, type) \
		452	(expect_true (SvMAGIC (sv)) \
		453	? CORO_MAGIC_NN (sv, type) \
		454	: 0)
		455
		456	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		457	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		458
		459	INLINE struct coro *
		460	SvSTATE_ (pTHX_ SV *coro)
		461	{
		462	HV *stash;
		463	MAGIC *mg;
		464
		465	if (SvROK (coro))
		466	coro = SvRV (coro);
		467
		468	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		469	croak ("Coro::State object required");
		470
		471	stash = SvSTASH (coro);
		472	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		473	{
		474	/* very slow, but rare, check */
		475	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		476	croak ("Coro::State object required");
		477	}
		478
		479	mg = CORO_MAGIC_state (coro);
		480	return (struct coro *)mg->mg_ptr;
		481	}
		482
		483	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		484
		485	/* faster than SvSTATE, but expects a coroutine hv */
		486	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		487	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		488
		489	/*****************************************************************************/
		490	/* padlist management and caching */
344		491
345	static AV *	492	static AV *
346	coro_clone_padlist (pTHX_ CV *cv)	493	coro_derive_padlist (pTHX_ CV *cv)
347	{	494	{
348	AV *padlist = CvPADLIST (cv);	495	AV *padlist = CvPADLIST (cv);
349	AV newpadlist, newpad;	496	AV newpadlist, newpad;
350		497
351	newpadlist = newAV ();	498	newpadlist = newAV ();
…		…
356	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	503	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
357	#endif	504	#endif
358	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	505	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
359	--AvFILLp (padlist);	506	--AvFILLp (padlist);
360		507
361	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	508	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
362	av_store (newpadlist, 1, (SV *)newpad);	509	av_store (newpadlist, 1, (SV *)newpad);
363		510
364	return newpadlist;	511	return newpadlist;
365	}	512	}
366		513
367	static void	514	static void
368	free_padlist (pTHX_ AV *padlist)	515	free_padlist (pTHX_ AV *padlist)
369	{	516	{
370	/* may be during global destruction */	517	/* may be during global destruction */
371	if (SvREFCNT (padlist))	518	if (!IN_DESTRUCT)
372	{	519	{
373	I32 i = AvFILLp (padlist);	520	I32 i = AvFILLp (padlist);
374	while (i >= 0)	521
		522	while (i > 0) /* special-case index 0 */
375	{	523	{
376	SV **svp = av_fetch (padlist, i--, FALSE);	524	/* we try to be extra-careful here */
377	if (svp)	525	AV av = (AV )AvARRAY (padlist)[i--];
378	{	526	I32 j = AvFILLp (av);
379	SV *sv;	527
380	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	528	while (j >= 0)
		529	SvREFCNT_dec (AvARRAY (av)[j--]);
		530
		531	AvFILLp (av) = -1;
381	SvREFCNT_dec (sv);	532	SvREFCNT_dec (av);
382
383	SvREFCNT_dec (*svp);
384	}
385	}	533	}
386		534
		535	SvREFCNT_dec (AvARRAY (padlist)[0]);
		536
		537	AvFILLp (padlist) = -1;
387	SvREFCNT_dec ((SV*)padlist);	538	SvREFCNT_dec ((SV*)padlist);
388	}	539	}
389	}	540	}
390		541
391	static int	542	static int
392	coro_cv_free (pTHX_ SV sv, MAGIC mg)	543	coro_cv_free (pTHX_ SV sv, MAGIC mg)
393	{	544	{
394	AV *padlist;	545	AV *padlist;
395	AV av = (AV )mg->mg_obj;	546	AV av = (AV )mg->mg_obj;
		547
		548	/* perl manages to free our internal AV and _then_ call us */
		549	if (IN_DESTRUCT)
		550	return;
396		551
397	/* casting is fun. */	552	/* casting is fun. */
398	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	553	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
399	free_padlist (aTHX_ padlist);	554	free_padlist (aTHX_ padlist);
400		555
401	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	556	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
402		557
403	return 0;	558	return 0;
404	}	559	}
405
406	#define CORO_MAGIC_type_cv 26
407	#define CORO_MAGIC_type_state PERL_MAGIC_ext
408		560
409	static MGVTBL coro_cv_vtbl = {	561	static MGVTBL coro_cv_vtbl = {
410	0, 0, 0, 0,	562	0, 0, 0, 0,
411	coro_cv_free	563	coro_cv_free
412	};	564	};
413
414	#define CORO_MAGIC_NN(sv, type) \
415	(expect_true (SvMAGIC (sv)->mg_type == type) \
416	? SvMAGIC (sv) \
417	: mg_find (sv, type))
418
419	#define CORO_MAGIC(sv, type) \
420	(expect_true (SvMAGIC (sv)) \
421	? CORO_MAGIC_NN (sv, type) \
422	: 0)
423
424	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
425	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
426
427	INLINE struct coro *
428	SvSTATE_ (pTHX_ SV *coro)
429	{
430	HV *stash;
431	MAGIC *mg;
432
433	if (SvROK (coro))
434	coro = SvRV (coro);
435
436	if (expect_false (SvTYPE (coro) != SVt_PVHV))
437	croak ("Coro::State object required");
438
439	stash = SvSTASH (coro);
440	if (expect_false (stash != coro_stash && stash != coro_state_stash))
441	{
442	/* very slow, but rare, check */
443	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
444	croak ("Coro::State object required");
445	}
446
447	mg = CORO_MAGIC_state (coro);
448	return (struct coro *)mg->mg_ptr;
449	}
450
451	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
452
453	/* faster than SvSTATE, but expects a coroutine hv */
454	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
455	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
456		565
457	/* the next two functions merely cache the padlists */	566	/* the next two functions merely cache the padlists */
458	static void	567	static void
459	get_padlist (pTHX_ CV *cv)	568	get_padlist (pTHX_ CV *cv)
460	{	569	{
…		…
471	CV *cp = Perl_cv_clone (aTHX_ cv);	580	CV *cp = Perl_cv_clone (aTHX_ cv);
472	CvPADLIST (cv) = CvPADLIST (cp);	581	CvPADLIST (cv) = CvPADLIST (cp);
473	CvPADLIST (cp) = 0;	582	CvPADLIST (cp) = 0;
474	SvREFCNT_dec (cp);	583	SvREFCNT_dec (cp);
475	#else	584	#else
476	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	585	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
477	#endif	586	#endif
478	}	587	}
479	}	588	}
480		589
481	static void	590	static void
…		…
488	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	597	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
489		598
490	av = (AV *)mg->mg_obj;	599	av = (AV *)mg->mg_obj;
491		600
492	if (expect_false (AvFILLp (av) >= AvMAX (av)))	601	if (expect_false (AvFILLp (av) >= AvMAX (av)))
493	av_extend (av, AvMAX (av) + 1);	602	av_extend (av, AvFILLp (av) + 1);
494		603
495	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	604	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
496	}	605	}
497		606
498	/ load & save, init *****************************************************/	607	/ load & save, init *****************************************************/
		608
		609	static void
		610	on_enterleave_call (pTHX_ SV *cb);
499		611
500	static void	612	static void
501	load_perl (pTHX_ Coro__State c)	613	load_perl (pTHX_ Coro__State c)
502	{	614	{
503	perl_slots *slot = c->slot;	615	perl_slots *slot = c->slot;
504	c->slot = 0;	616	c->slot = 0;
505		617
506	PL_mainstack = c->mainstack;	618	PL_mainstack = c->mainstack;
507		619
508	GvSV (PL_defgv) = slot->defsv;	620	GvSV (PL_defgv) = slot->defsv;
509	GvAV (PL_defgv) = slot->defav;	621	GvAV (PL_defgv) = slot->defav;
510	GvSV (PL_errgv) = slot->errsv;	622	GvSV (PL_errgv) = slot->errsv;
511	GvSV (irsgv) = slot->irsgv;	623	GvSV (irsgv) = slot->irsgv;
		624	GvHV (PL_hintgv) = slot->hinthv;
512		625
513	#define VAR(name,type) PL_ ## name = slot->name;	626	#define VAR(name,type) PL_ ## name = slot->name;
514	# include "state.h"	627	# include "state.h"
515	#undef VAR	628	#undef VAR
516		629
…		…
530	PUTBACK;	643	PUTBACK;
531	}	644	}
532		645
533	slf_frame = c->slf_frame;	646	slf_frame = c->slf_frame;
534	CORO_THROW = c->except;	647	CORO_THROW = c->except;
		648
		649	if (expect_false (enable_times))
		650	{
		651	if (expect_false (!times_valid))
		652	coro_times_update ();
		653
		654	coro_times_sub (c);
		655	}
		656
		657	if (expect_false (c->on_enter))
		658	{
		659	int i;
		660
		661	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		662	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		663	}
535	}	664	}
536		665
537	static void	666	static void
538	save_perl (pTHX_ Coro__State c)	667	save_perl (pTHX_ Coro__State c)
539	{	668	{
		669	if (expect_false (c->on_leave))
		670	{
		671	int i;
		672
		673	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		674	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		675	}
		676
		677	times_valid = 0;
		678
		679	if (expect_false (enable_times))
		680	{
		681	coro_times_update (); times_valid = 1;
		682	coro_times_add (c);
		683	}
		684
540	c->except = CORO_THROW;	685	c->except = CORO_THROW;
541	c->slf_frame = slf_frame;	686	c->slf_frame = slf_frame;
542		687
543	{	688	{
544	dSP;	689	dSP;
…		…
557	{	702	{
558	while (expect_true (cxix >= 0))	703	while (expect_true (cxix >= 0))
559	{	704	{
560	PERL_CONTEXT *cx = &ccstk[cxix--];	705	PERL_CONTEXT *cx = &ccstk[cxix--];
561		706
562	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	707	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
563	{	708	{
564	CV *cv = cx->blk_sub.cv;	709	CV *cv = cx->blk_sub.cv;
565		710
566	if (expect_true (CvDEPTH (cv)))	711	if (expect_true (CvDEPTH (cv)))
567	{	712	{
…		…
602	c->mainstack = PL_mainstack;	747	c->mainstack = PL_mainstack;
603		748
604	{	749	{
605	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	750	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
606		751
607	slot->defav = GvAV (PL_defgv);	752	slot->defav = GvAV (PL_defgv);
608	slot->defsv = DEFSV;	753	slot->defsv = DEFSV;
609	slot->errsv = ERRSV;	754	slot->errsv = ERRSV;
610	slot->irsgv = GvSV (irsgv);	755	slot->irsgv = GvSV (irsgv);
		756	slot->hinthv = GvHV (PL_hintgv);
611		757
612	#define VAR(name,type) slot->name = PL_ ## name;	758	#define VAR(name,type) slot->name = PL_ ## name;
613	# include "state.h"	759	# include "state.h"
614	#undef VAR	760	#undef VAR
615	}	761	}
…		…
742	#endif	888	#endif
743		889
744	/*	890	/*
745	* This overrides the default magic get method of %SIG elements.	891	* This overrides the default magic get method of %SIG elements.
746	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	892	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
747	* and instead of tryign to save and restore the hash elements, we just provide	893	* and instead of trying to save and restore the hash elements, we just provide
748	* readback here.	894	* readback here.
749	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
750	* not expecting this to actually change the hook. This is a potential problem
751	* when a schedule happens then, but we ignore this.
752	*/	895	*/
753	static int	896	static int
754	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	897	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
755	{	898	{
756	const char *s = MgPV_nolen_const (mg);	899	const char *s = MgPV_nolen_const (mg);
…		…
809	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	952	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
810		953
811	if (svp)	954	if (svp)
812	{	955	{
813	SV old = svp;	956	SV old = svp;
814	*svp = newSVsv (sv);	957	*svp = SvOK (sv) ? newSVsv (sv) : 0;
815	SvREFCNT_dec (old);	958	SvREFCNT_dec (old);
816	return 0;	959	return 0;
817	}	960	}
818	}	961	}
819		962
…		…
829		972
830	static int	973	static int
831	slf_check_nop (pTHX_ struct CoroSLF *frame)	974	slf_check_nop (pTHX_ struct CoroSLF *frame)
832	{	975	{
833	return 0;	976	return 0;
		977	}
		978
		979	static int
		980	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		981	{
		982	return 1;
834	}	983	}
835		984
836	static UNOP coro_setup_op;	985	static UNOP coro_setup_op;
837		986
838	static void NOINLINE /* noinline to keep it out of the transfer fast path */	987	static void NOINLINE /* noinline to keep it out of the transfer fast path */
…		…
845		994
846	PL_runops = RUNOPS_DEFAULT;	995	PL_runops = RUNOPS_DEFAULT;
847	PL_curcop = &PL_compiling;	996	PL_curcop = &PL_compiling;
848	PL_in_eval = EVAL_NULL;	997	PL_in_eval = EVAL_NULL;
849	PL_comppad = 0;	998	PL_comppad = 0;
		999	PL_comppad_name = 0;
		1000	PL_comppad_name_fill = 0;
		1001	PL_comppad_name_floor = 0;
850	PL_curpm = 0;	1002	PL_curpm = 0;
851	PL_curpad = 0;	1003	PL_curpad = 0;
852	PL_localizing = 0;	1004	PL_localizing = 0;
853	PL_dirty = 0;	1005	PL_dirty = 0;
854	PL_restartop = 0;	1006	PL_restartop = 0;
855	#if PERL_VERSION_ATLEAST (5,10,0)	1007	#if PERL_VERSION_ATLEAST (5,10,0)
856	PL_parser = 0;	1008	PL_parser = 0;
857	#endif	1009	#endif
		1010	PL_hints = 0;
858		1011
859	/* recreate the die/warn hooks */	1012	/* recreate the die/warn hooks */
860	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	1013	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
861	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	1014	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
862		1015
863	GvSV (PL_defgv) = newSV (0);	1016	GvSV (PL_defgv) = newSV (0);
864	GvAV (PL_defgv) = coro->args; coro->args = 0;	1017	GvAV (PL_defgv) = coro->args; coro->args = 0;
865	GvSV (PL_errgv) = newSV (0);	1018	GvSV (PL_errgv) = newSV (0);
866	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	1019	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		1020	GvHV (PL_hintgv) = 0;
867	PL_rs = newSVsv (GvSV (irsgv));	1021	PL_rs = newSVsv (GvSV (irsgv));
868	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1022	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
869		1023
870	{	1024	{
871	dSP;	1025	dSP;
…		…
889	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	1043	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
890	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	1044	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
891		1045
892	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	1046	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
893	coro_setup_op.op_next = PL_op;	1047	coro_setup_op.op_next = PL_op;
894	coro_setup_op.op_type = OP_CUSTOM;	1048	coro_setup_op.op_type = OP_ENTERSUB;
895	coro_setup_op.op_ppaddr = pp_slf;	1049	coro_setup_op.op_ppaddr = pp_slf;
896	/* no flags etc. required, as an init function won't be called */	1050	/* no flags etc. required, as an init function won't be called */
897		1051
898	PL_op = (OP *)&coro_setup_op;	1052	PL_op = (OP *)&coro_setup_op;
899		1053
900	/* copy throw, in case it was set before coro_setup */	1054	/* copy throw, in case it was set before coro_setup */
901	CORO_THROW = coro->except;	1055	CORO_THROW = coro->except;
902	}
903		1056
		1057	if (expect_false (enable_times))
		1058	{
		1059	coro_times_update ();
		1060	coro_times_sub (coro);
		1061	}
		1062	}
		1063
904	static void	1064	static void
905	coro_destruct (pTHX_ struct coro *coro)	1065	coro_unwind_stacks (pTHX)
906	{	1066	{
907	if (!IN_DESTRUCT)	1067	if (!IN_DESTRUCT)
908	{	1068	{
909	/* restore all saved variables and stuff */	1069	/* restore all saved variables and stuff */
910	LEAVE_SCOPE (0);	1070	LEAVE_SCOPE (0);
…		…
918	POPSTACK_TO (PL_mainstack);	1078	POPSTACK_TO (PL_mainstack);
919		1079
920	/* unwind main stack */	1080	/* unwind main stack */
921	dounwind (-1);	1081	dounwind (-1);
922	}	1082	}
		1083	}
923		1084
924	SvREFCNT_dec (GvSV (PL_defgv));	1085	static void
925	SvREFCNT_dec (GvAV (PL_defgv));	1086	coro_destruct_perl (pTHX_ struct coro *coro)
926	SvREFCNT_dec (GvSV (PL_errgv));	1087	{
927	SvREFCNT_dec (PL_defoutgv);	1088	SV *svf [9];
928	SvREFCNT_dec (PL_rs);
929	SvREFCNT_dec (GvSV (irsgv));
930		1089
931	SvREFCNT_dec (PL_diehook);
932	SvREFCNT_dec (PL_warnhook);
933		1090	{
		1091	struct coro *current = SvSTATE_current;
		1092
		1093	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1094
		1095	save_perl (aTHX_ current);
		1096	load_perl (aTHX_ coro);
		1097
		1098	coro_unwind_stacks (aTHX);
		1099	coro_destruct_stacks (aTHX);
		1100
		1101	// now save some sv's to be free'd later
		1102	svf [0] = GvSV (PL_defgv);
		1103	svf [1] = (SV *)GvAV (PL_defgv);
		1104	svf [2] = GvSV (PL_errgv);
		1105	svf [3] = (SV *)PL_defoutgv;
		1106	svf [4] = PL_rs;
		1107	svf [5] = GvSV (irsgv);
		1108	svf [6] = (SV *)GvHV (PL_hintgv);
		1109	svf [7] = PL_diehook;
		1110	svf [8] = PL_warnhook;
		1111	assert (9 == sizeof (svf) / sizeof (*svf));
		1112
		1113	load_perl (aTHX_ current);
		1114	}
		1115
		1116	{
		1117	int i;
		1118
		1119	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1120	SvREFCNT_dec (svf [i]);
		1121
934	SvREFCNT_dec (coro->saved_deffh);	1122	SvREFCNT_dec (coro->saved_deffh);
935	SvREFCNT_dec (coro->rouse_cb);	1123	SvREFCNT_dec (coro->rouse_cb);
936	SvREFCNT_dec (coro->invoke_cb);	1124	SvREFCNT_dec (coro->invoke_cb);
937	SvREFCNT_dec (coro->invoke_av);	1125	SvREFCNT_dec (coro->invoke_av);
938		1126	}
939	coro_destruct_stacks (aTHX);
940	}	1127	}
941		1128
942	INLINE void	1129	INLINE void
943	free_coro_mortal (pTHX)	1130	free_coro_mortal (pTHX)
944	{	1131	{
…		…
952	static int	1139	static int
953	runops_trace (pTHX)	1140	runops_trace (pTHX)
954	{	1141	{
955	COP *oldcop = 0;	1142	COP *oldcop = 0;
956	int oldcxix = -2;	1143	int oldcxix = -2;
957	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
958	coro_cctx *cctx = coro->cctx;
959		1144
960	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1145	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
961	{	1146	{
962	PERL_ASYNC_CHECK ();	1147	PERL_ASYNC_CHECK ();
963		1148
964	if (cctx->flags & CC_TRACE_ALL)	1149	if (cctx_current->flags & CC_TRACE_ALL)
965	{	1150	{
966	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1151	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
967	{	1152	{
968	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1153	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
969	SV bot, top;	1154	SV bot, top;
970	AV av = newAV (); / return values */	1155	AV av = newAV (); / return values */
971	SV **cb;	1156	SV **cb;
…		…
1008		1193
1009	if (PL_curcop != &PL_compiling)	1194	if (PL_curcop != &PL_compiling)
1010	{	1195	{
1011	SV **cb;	1196	SV **cb;
1012		1197
1013	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1198	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1014	{	1199	{
1015	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1200	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1016		1201
1017	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1202	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1018	{	1203	{
1019	runops_proc_t old_runops = PL_runops;
1020	dSP;	1204	dSP;
1021	GV *gv = CvGV (cx->blk_sub.cv);	1205	GV *gv = CvGV (cx->blk_sub.cv);
1022	SV *fullname = sv_2mortal (newSV (0));	1206	SV *fullname = sv_2mortal (newSV (0));
1023		1207
1024	if (isGV (gv))	1208	if (isGV (gv))
…		…
1042	}	1226	}
1043		1227
1044	oldcxix = cxstack_ix;	1228	oldcxix = cxstack_ix;
1045	}	1229	}
1046		1230
1047	if (cctx->flags & CC_TRACE_LINE)	1231	if (cctx_current->flags & CC_TRACE_LINE)
1048	{	1232	{
1049	dSP;	1233	dSP;
1050		1234
1051	PL_runops = RUNOPS_DEFAULT;	1235	PL_runops = RUNOPS_DEFAULT;
1052	ENTER;	1236	ENTER;
…		…
1071		1255
1072	TAINT_NOT;	1256	TAINT_NOT;
1073	return 0;	1257	return 0;
1074	}	1258	}
1075		1259
1076	static struct coro_cctx *cctx_ssl_cctx;
1077	static struct CoroSLF cctx_ssl_frame;	1260	static struct CoroSLF cctx_ssl_frame;
1078		1261
1079	static void	1262	static void
1080	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1263	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1081	{	1264	{
1082	ta->prev = (struct coro *)cctx_ssl_cctx;
1083	ta->next = 0;	1265	ta->prev = 0;
1084	}	1266	}
1085		1267
1086	static int	1268	static int
1087	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1269	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1088	{	1270	{
…		…
1091	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1273	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1092	}	1274	}
1093		1275
1094	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1276	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1095	static void NOINLINE	1277	static void NOINLINE
1096	cctx_prepare (pTHX_ coro_cctx *cctx)	1278	cctx_prepare (pTHX)
1097	{	1279	{
1098	PL_top_env = &PL_start_env;	1280	PL_top_env = &PL_start_env;
1099		1281
1100	if (cctx->flags & CC_TRACE)	1282	if (cctx_current->flags & CC_TRACE)
1101	PL_runops = runops_trace;	1283	PL_runops = runops_trace;
1102		1284
1103	/* we already must be executing an SLF op, there is no other valid way	1285	/* we already must be executing an SLF op, there is no other valid way
1104	* that can lead to creation of a new cctx */	1286	* that can lead to creation of a new cctx */
1105	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1287	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1106	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1288	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1107		1289
1108	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1290	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1109	cctx_ssl_cctx = cctx;
1110	cctx_ssl_frame = slf_frame;	1291	cctx_ssl_frame = slf_frame;
1111		1292
1112	slf_frame.prepare = slf_prepare_set_stacklevel;	1293	slf_frame.prepare = slf_prepare_set_stacklevel;
1113	slf_frame.check = slf_check_set_stacklevel;	1294	slf_frame.check = slf_check_set_stacklevel;
1114	}	1295	}
…		…
1137	/* normally we would need to skip the entersub here */	1318	/* normally we would need to skip the entersub here */
1138	/* not doing so will re-execute it, which is exactly what we want */	1319	/* not doing so will re-execute it, which is exactly what we want */
1139	/* PL_nop = PL_nop->op_next */	1320	/* PL_nop = PL_nop->op_next */
1140		1321
1141	/* inject a fake subroutine call to cctx_init */	1322	/* inject a fake subroutine call to cctx_init */
1142	cctx_prepare (aTHX_ (coro_cctx *)arg);	1323	cctx_prepare (aTHX);
1143		1324
1144	/* cctx_run is the alternative tail of transfer() */	1325	/* cctx_run is the alternative tail of transfer() */
1145	transfer_tail (aTHX);	1326	transfer_tail (aTHX);
1146		1327
1147	/* somebody or something will hit me for both perl_run and PL_restartop */	1328	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1155	/*	1336	/*
1156	* If perl-run returns we assume exit() was being called or the coro	1337	* If perl-run returns we assume exit() was being called or the coro
1157	* fell off the end, which seems to be the only valid (non-bug)	1338	* fell off the end, which seems to be the only valid (non-bug)
1158	* reason for perl_run to return. We try to exit by jumping to the	1339	* reason for perl_run to return. We try to exit by jumping to the
1159	* bootstrap-time "top" top_env, as we cannot restore the "main"	1340	* bootstrap-time "top" top_env, as we cannot restore the "main"
1160	* coroutine as Coro has no such concept	1341	* coroutine as Coro has no such concept.
		1342	* This actually isn't valid with the pthread backend, but OSes requiring
		1343	* that backend are too broken to do it in a standards-compliant way.
1161	*/	1344	*/
1162	PL_top_env = main_top_env;	1345	PL_top_env = main_top_env;
1163	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1346	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1164	}	1347	}
1165	}	1348	}
…		…
1242	cctx_destroy (coro_cctx *cctx)	1425	cctx_destroy (coro_cctx *cctx)
1243	{	1426	{
1244	if (!cctx)	1427	if (!cctx)
1245	return;	1428	return;
1246		1429
		1430	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1431
1247	--cctx_count;	1432	--cctx_count;
1248	coro_destroy (&cctx->cctx);	1433	coro_destroy (&cctx->cctx);
1249		1434
1250	/* coro_transfer creates new, empty cctx's */	1435	/* coro_transfer creates new, empty cctx's */
1251	if (cctx->sptr)	1436	if (cctx->sptr)
…		…
1314	/* TODO: throwing up here is considered harmful */	1499	/* TODO: throwing up here is considered harmful */
1315		1500
1316	if (expect_true (prev != next))	1501	if (expect_true (prev != next))
1317	{	1502	{
1318	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1503	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1319	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1504	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1320		1505
1321	if (expect_false (next->flags & CF_RUNNING))
1322	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1323
1324	if (expect_false (next->flags & CF_DESTROYED))	1506	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1325	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1507	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1326		1508
1327	#if !PERL_VERSION_ATLEAST (5,10,0)	1509	#if !PERL_VERSION_ATLEAST (5,10,0)
1328	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1510	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1329	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1511	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1330	#endif	1512	#endif
…		…
1336	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1518	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1337	{	1519	{
1338	dSTACKLEVEL;	1520	dSTACKLEVEL;
1339		1521
1340	/* sometimes transfer is only called to set idle_sp */	1522	/* sometimes transfer is only called to set idle_sp */
1341	if (expect_false (!next))	1523	if (expect_false (!prev))
1342	{	1524	{
1343	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1525	cctx_current->idle_sp = STACKLEVEL;
1344	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1526	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1345	}	1527	}
1346	else if (expect_true (prev != next))	1528	else if (expect_true (prev != next))
1347	{	1529	{
1348	coro_cctx *prev__cctx;	1530	coro_cctx *cctx_prev;
1349		1531
1350	if (expect_false (prev->flags & CF_NEW))	1532	if (expect_false (prev->flags & CF_NEW))
1351	{	1533	{
1352	/* create a new empty/source context */	1534	/* create a new empty/source context */
1353	prev->cctx = cctx_new_empty ();
1354	prev->flags &= ~CF_NEW;	1535	prev->flags &= ~CF_NEW;
1355	prev->flags \|= CF_RUNNING;	1536	prev->flags \|= CF_RUNNING;
1356	}	1537	}
1357		1538
1358	prev->flags &= ~CF_RUNNING;	1539	prev->flags &= ~CF_RUNNING;
…		…
1369	coro_setup (aTHX_ next);	1550	coro_setup (aTHX_ next);
1370	}	1551	}
1371	else	1552	else
1372	load_perl (aTHX_ next);	1553	load_perl (aTHX_ next);
1373		1554
1374	prev__cctx = prev->cctx;
1375
1376	/* possibly untie and reuse the cctx */	1555	/* possibly untie and reuse the cctx */
1377	if (expect_true (	1556	if (expect_true (
1378	prev__cctx->idle_sp == STACKLEVEL	1557	cctx_current->idle_sp == STACKLEVEL
1379	&& !(prev__cctx->flags & CC_TRACE)	1558	&& !(cctx_current->flags & CC_TRACE)
1380	&& !force_cctx	1559	&& !force_cctx
1381	))	1560	))
1382	{	1561	{
1383	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1562	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1384	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1563	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1385		1564
1386	prev->cctx = 0;
1387
1388	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1565	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1389	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1566	/* without this the next cctx_get might destroy the running cctx while still in use */
1390	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1567	if (expect_false (CCTX_EXPIRED (cctx_current)))
1391	if (!next->cctx)	1568	if (expect_true (!next->cctx))
1392	next->cctx = cctx_get (aTHX);	1569	next->cctx = cctx_get (aTHX);
1393		1570
1394	cctx_put (prev__cctx);	1571	cctx_put (cctx_current);
1395	}	1572	}
		1573	else
		1574	prev->cctx = cctx_current;
1396		1575
1397	++next->usecount;	1576	++next->usecount;
1398		1577
1399	if (expect_true (!next->cctx))	1578	cctx_prev = cctx_current;
1400	next->cctx = cctx_get (aTHX);	1579	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1401		1580
1402	if (expect_false (prev__cctx != next->cctx))	1581	next->cctx = 0;
		1582
		1583	if (expect_false (cctx_prev != cctx_current))
1403	{	1584	{
1404	prev__cctx->top_env = PL_top_env;	1585	cctx_prev->top_env = PL_top_env;
1405	PL_top_env = next->cctx->top_env;	1586	PL_top_env = cctx_current->top_env;
1406	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1587	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1407	}	1588	}
1408		1589
1409	transfer_tail (aTHX);	1590	transfer_tail (aTHX);
1410	}	1591	}
1411	}	1592	}
…		…
1419	coro_state_destroy (pTHX_ struct coro *coro)	1600	coro_state_destroy (pTHX_ struct coro *coro)
1420	{	1601	{
1421	if (coro->flags & CF_DESTROYED)	1602	if (coro->flags & CF_DESTROYED)
1422	return 0;	1603	return 0;
1423		1604
1424	if (coro->on_destroy)	1605	if (coro->on_destroy && !PL_dirty)
1425	coro->on_destroy (aTHX_ coro);	1606	coro->on_destroy (aTHX_ coro);
1426		1607
1427	coro->flags \|= CF_DESTROYED;	1608	coro->flags \|= CF_DESTROYED;
1428		1609
1429	if (coro->flags & CF_READY)	1610	if (coro->flags & CF_READY)
…		…
1433	--coro_nready;	1614	--coro_nready;
1434	}	1615	}
1435	else	1616	else
1436	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1617	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1437		1618
1438	if (coro->mainstack && coro->mainstack != main_mainstack)	1619	if (coro->mainstack
1439	{	1620	&& coro->mainstack != main_mainstack
1440	struct coro temp;	1621	&& coro->slot
1441		1622	&& !PL_dirty)
1442	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1443
1444	save_perl (aTHX_ &temp);
1445	load_perl (aTHX_ coro);
1446
1447	coro_destruct (aTHX_ coro);	1623	coro_destruct_perl (aTHX_ coro);
1448
1449	load_perl (aTHX_ &temp);
1450
1451	coro->slot = 0;
1452	}
1453		1624
1454	cctx_destroy (coro->cctx);	1625	cctx_destroy (coro->cctx);
1455	SvREFCNT_dec (coro->startcv);	1626	SvREFCNT_dec (coro->startcv);
1456	SvREFCNT_dec (coro->args);	1627	SvREFCNT_dec (coro->args);
1457	SvREFCNT_dec (CORO_THROW);	1628	SvREFCNT_dec (CORO_THROW);
…		…
1544	/ Coro ******************************************************************/	1715	/ Coro ******************************************************************/
1545		1716
1546	INLINE void	1717	INLINE void
1547	coro_enq (pTHX_ struct coro *coro)	1718	coro_enq (pTHX_ struct coro *coro)
1548	{	1719	{
1549	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1720	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1550	}
1551		1721
1552	INLINE SV *	1722	SvREFCNT_inc_NN (coro->hv);
		1723
		1724	coro->next_ready = 0;
		1725	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1726	ready [1] = coro;
		1727	}
		1728
		1729	INLINE struct coro *
1553	coro_deq (pTHX)	1730	coro_deq (pTHX)
1554	{	1731	{
1555	int prio;	1732	int prio;
1556		1733
1557	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1734	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1558	if (AvFILLp (coro_ready [prio]) >= 0)	1735	{
1559	return av_shift (coro_ready [prio]);	1736	struct coro **ready = coro_ready [prio];
		1737
		1738	if (ready [0])
		1739	{
		1740	struct coro *coro = ready [0];
		1741	ready [0] = coro->next_ready;
		1742	return coro;
		1743	}
		1744	}
1560		1745
1561	return 0;	1746	return 0;
1562	}	1747	}
1563		1748
1564	static int	1749	static int
…		…
1566	{	1751	{
1567	struct coro *coro;	1752	struct coro *coro;
1568	SV *sv_hook;	1753	SV *sv_hook;
1569	void (*xs_hook)(void);	1754	void (*xs_hook)(void);
1570		1755
1571	if (SvROK (coro_sv))
1572	coro_sv = SvRV (coro_sv);
1573
1574	coro = SvSTATE (coro_sv);	1756	coro = SvSTATE (coro_sv);
1575		1757
1576	if (coro->flags & CF_READY)	1758	if (coro->flags & CF_READY)
1577	return 0;	1759	return 0;
1578		1760
…		…
1609	api_is_ready (pTHX_ SV *coro_sv)	1791	api_is_ready (pTHX_ SV *coro_sv)
1610	{	1792	{
1611	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1793	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1612	}	1794	}
1613		1795
		1796	/* expects to own a reference to next->hv */
1614	INLINE void	1797	INLINE void
1615	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1798	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1616	{	1799	{
1617	SV prev_sv, next_sv;
1618
1619	for (;;)
1620	{
1621	next_sv = coro_deq (aTHX);
1622
1623	/* nothing to schedule: call the idle handler */
1624	if (expect_false (!next_sv))
1625	{
1626	dSP;
1627
1628	ENTER;
1629	SAVETMPS;
1630
1631	PUSHMARK (SP);
1632	PUTBACK;
1633	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1634
1635	FREETMPS;
1636	LEAVE;
1637	continue;
1638	}
1639
1640	ta->next = SvSTATE_hv (next_sv);
1641
1642	/* cannot transfer to destroyed coros, skip and look for next */
1643	if (expect_false (ta->next->flags & CF_DESTROYED))
1644	{
1645	SvREFCNT_dec (next_sv);
1646	/* coro_nready has already been taken care of by destroy */
1647	continue;
1648	}
1649
1650	--coro_nready;
1651	break;
1652	}
1653
1654	/* free this only after the transfer */
1655	prev_sv = SvRV (coro_current);	1800	SV *prev_sv = SvRV (coro_current);
		1801
1656	ta->prev = SvSTATE_hv (prev_sv);	1802	ta->prev = SvSTATE_hv (prev_sv);
		1803	ta->next = next;
		1804
1657	TRANSFER_CHECK (*ta);	1805	TRANSFER_CHECK (*ta);
1658	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1806
1659	ta->next->flags &= ~CF_READY;
1660	SvRV_set (coro_current, next_sv);	1807	SvRV_set (coro_current, (SV *)next->hv);
1661		1808
1662	free_coro_mortal (aTHX);	1809	free_coro_mortal (aTHX);
1663	coro_mortal = prev_sv;	1810	coro_mortal = prev_sv;
1664	}	1811	}
1665		1812
		1813	static void
		1814	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1815	{
		1816	for (;;)
		1817	{
		1818	struct coro *next = coro_deq (aTHX);
		1819
		1820	if (expect_true (next))
		1821	{
		1822	/* cannot transfer to destroyed coros, skip and look for next */
		1823	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
		1824	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
		1825	else
		1826	{
		1827	next->flags &= ~CF_READY;
		1828	--coro_nready;
		1829
		1830	prepare_schedule_to (aTHX_ ta, next);
		1831	break;
		1832	}
		1833	}
		1834	else
		1835	{
		1836	/* nothing to schedule: call the idle handler */
		1837	if (SvROK (sv_idle)
		1838	&& SvOBJECT (SvRV (sv_idle)))
		1839	{
		1840	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1841	api_ready (aTHX_ SvRV (sv_idle));
		1842	--coro_nready;
		1843	}
		1844	else
		1845	{
		1846	dSP;
		1847
		1848	ENTER;
		1849	SAVETMPS;
		1850
		1851	PUSHMARK (SP);
		1852	PUTBACK;
		1853	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1854
		1855	FREETMPS;
		1856	LEAVE;
		1857	}
		1858	}
		1859	}
		1860	}
		1861
1666	INLINE void	1862	INLINE void
1667	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1863	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1668	{	1864	{
1669	api_ready (aTHX_ coro_current);	1865	api_ready (aTHX_ coro_current);
1670	prepare_schedule (aTHX_ ta);	1866	prepare_schedule (aTHX_ ta);
…		…
1689	{	1885	{
1690	struct coro_transfer_args ta;	1886	struct coro_transfer_args ta;
1691		1887
1692	prepare_schedule (aTHX_ &ta);	1888	prepare_schedule (aTHX_ &ta);
1693	TRANSFER (ta, 1);	1889	TRANSFER (ta, 1);
		1890	}
		1891
		1892	static void
		1893	api_schedule_to (pTHX_ SV *coro_sv)
		1894	{
		1895	struct coro_transfer_args ta;
		1896	struct coro *next = SvSTATE (coro_sv);
		1897
		1898	SvREFCNT_inc_NN (coro_sv);
		1899	prepare_schedule_to (aTHX_ &ta, next);
1694	}	1900	}
1695		1901
1696	static int	1902	static int
1697	api_cede (pTHX)	1903	api_cede (pTHX)
1698	{	1904	{
…		…
1727	static void	1933	static void
1728	api_trace (pTHX_ SV *coro_sv, int flags)	1934	api_trace (pTHX_ SV *coro_sv, int flags)
1729	{	1935	{
1730	struct coro *coro = SvSTATE (coro_sv);	1936	struct coro *coro = SvSTATE (coro_sv);
1731		1937
		1938	if (coro->flags & CF_RUNNING)
		1939	croak ("cannot enable tracing on a running coroutine, caught");
		1940
1732	if (flags & CC_TRACE)	1941	if (flags & CC_TRACE)
1733	{	1942	{
1734	if (!coro->cctx)	1943	if (!coro->cctx)
1735	coro->cctx = cctx_new_run ();	1944	coro->cctx = cctx_new_run ();
1736	else if (!(coro->cctx->flags & CC_TRACE))	1945	else if (!(coro->cctx->flags & CC_TRACE))
1737	croak ("cannot enable tracing on coroutine with custom stack,");	1946	croak ("cannot enable tracing on coroutine with custom stack, caught");
1738		1947
1739	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1948	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1740	}	1949	}
1741	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1950	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1742	{	1951	{
…		…
1747	else	1956	else
1748	coro->slot->runops = RUNOPS_DEFAULT;	1957	coro->slot->runops = RUNOPS_DEFAULT;
1749	}	1958	}
1750	}	1959	}
1751		1960
		1961	static void
		1962	coro_call_on_destroy (pTHX_ struct coro *coro)
		1963	{
		1964	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1965	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1966
		1967	if (on_destroyp)
		1968	{
		1969	AV on_destroy = (AV )SvRV (*on_destroyp);
		1970
		1971	while (AvFILLp (on_destroy) >= 0)
		1972	{
		1973	dSP; /* don't disturb outer sp */
		1974	SV *cb = av_pop (on_destroy);
		1975
		1976	PUSHMARK (SP);
		1977
		1978	if (statusp)
		1979	{
		1980	int i;
		1981	AV status = (AV )SvRV (*statusp);
		1982	EXTEND (SP, AvFILLp (status) + 1);
		1983
		1984	for (i = 0; i <= AvFILLp (status); ++i)
		1985	PUSHs (AvARRAY (status)[i]);
		1986	}
		1987
		1988	PUTBACK;
		1989	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1990	}
		1991	}
		1992	}
		1993
		1994	static void
		1995	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1996	{
		1997	int i;
		1998	HV hv = (HV )SvRV (coro_current);
		1999	AV *av = newAV ();
		2000
		2001	av_extend (av, items - 1);
		2002	for (i = 0; i < items; ++i)
		2003	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2004
		2005	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		2006
		2007	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		2008	api_ready (aTHX_ sv_manager);
		2009
		2010	frame->prepare = prepare_schedule;
		2011	frame->check = slf_check_repeat;
		2012
		2013	/* as a minor optimisation, we could unwind all stacks here */
		2014	/* but that puts extra pressure on pp_slf, and is not worth much */
		2015	/coro_unwind_stacks (aTHX);/
		2016	}
		2017
1752	/*****************************************************************************/	2018	/*****************************************************************************/
1753	/* async pool handler */	2019	/* async pool handler */
1754		2020
1755	static int	2021	static int
1756	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)	2022	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
…		…
1760		2026
1761	if (!coro->invoke_cb)	2027	if (!coro->invoke_cb)
1762	return 1; /* loop till we have invoke */	2028	return 1; /* loop till we have invoke */
1763	else	2029	else
1764	{	2030	{
1765	int i, len;
1766
1767	hv_store (hv, "desc", sizeof ("desc") - 1,	2031	hv_store (hv, "desc", sizeof ("desc") - 1,
1768	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2032	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1769		2033
1770	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);	2034	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1771
1772	len = av_len (coro->invoke_av);
1773		2035
1774	{	2036	{
1775	dSP;	2037	dSP;
1776	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;	2038	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
1777	PUTBACK;	2039	PUTBACK;
…		…
1841	SV data = (SV )GENSUB_ARG;	2103	SV data = (SV )GENSUB_ARG;
1842		2104
1843	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1844	{	2106	{
1845	/* first call, set args */	2107	/* first call, set args */
1846	int i;	2108	SV *coro = SvRV (data);
1847	AV *av = newAV ();	2109	AV *av = newAV ();
1848	SV *coro = SvRV (data);
1849		2110
1850	SvRV_set (data, (SV *)av);	2111	SvRV_set (data, (SV *)av);
1851	api_ready (aTHX_ coro);
1852	SvREFCNT_dec (coro);
1853		2112
1854	/* better take a full copy of the arguments */	2113	/* better take a full copy of the arguments */
1855	while (items--)	2114	while (items--)
1856	av_store (av, items, newSVsv (ST (items)));	2115	av_store (av, items, newSVsv (ST (items)));
		2116
		2117	api_ready (aTHX_ coro);
		2118	SvREFCNT_dec (coro);
1857	}	2119	}
1858		2120
1859	XSRETURN_EMPTY;	2121	XSRETURN_EMPTY;
1860	}	2122	}
1861		2123
…		…
1878		2140
1879	EXTEND (SP, AvFILLp (av) + 1);	2141	EXTEND (SP, AvFILLp (av) + 1);
1880	for (i = 0; i <= AvFILLp (av); ++i)	2142	for (i = 0; i <= AvFILLp (av); ++i)
1881	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2143	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1882		2144
1883	/* we have stolen the elements, so ste length to zero and free */	2145	/* we have stolen the elements, so set length to zero and free */
1884	AvFILLp (av) = -1;	2146	AvFILLp (av) = -1;
1885	av_undef (av);	2147	av_undef (av);
1886		2148
1887	PUTBACK;	2149	PUTBACK;
1888	}	2150	}
…		…
1992	static void	2254	static void
1993	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2255	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1994	{	2256	{
1995	frame->prepare = prepare_schedule;	2257	frame->prepare = prepare_schedule;
1996	frame->check = slf_check_nop;	2258	frame->check = slf_check_nop;
		2259	}
		2260
		2261	static void
		2262	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2263	{
		2264	struct coro next = (struct coro )slf_frame.data;
		2265
		2266	SvREFCNT_inc_NN (next->hv);
		2267	prepare_schedule_to (aTHX_ ta, next);
		2268	}
		2269
		2270	static void
		2271	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2272	{
		2273	if (!items)
		2274	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2275
		2276	frame->data = (void *)SvSTATE (arg [0]);
		2277	frame->prepare = slf_prepare_schedule_to;
		2278	frame->check = slf_check_nop;
		2279	}
		2280
		2281	static void
		2282	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2283	{
		2284	api_ready (aTHX_ SvRV (coro_current));
		2285
		2286	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1997	}	2287	}
1998		2288
1999	static void	2289	static void
2000	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2290	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2001	{	2291	{
…		…
2147	}	2437	}
2148	else	2438	else
2149	slf_argc = 0;	2439	slf_argc = 0;
2150		2440
2151	PL_op->op_ppaddr = pp_slf;	2441	PL_op->op_ppaddr = pp_slf;
2152	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2442	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2153		2443
2154	PL_op = (OP *)&slf_restore;	2444	PL_op = (OP *)&slf_restore;
		2445	}
		2446
		2447	/*****************************************************************************/
		2448	/* dynamic wind */
		2449
		2450	static void
		2451	on_enterleave_call (pTHX_ SV *cb)
		2452	{
		2453	dSP;
		2454
		2455	PUSHSTACK;
		2456
		2457	PUSHMARK (SP);
		2458	PUTBACK;
		2459	call_sv (cb, G_VOID \| G_DISCARD);
		2460	SPAGAIN;
		2461
		2462	POPSTACK;
		2463	}
		2464
		2465	static SV *
		2466	coro_avp_pop_and_free (pTHX_ AV **avp)
		2467	{
		2468	AV av = avp;
		2469	SV *res = av_pop (av);
		2470
		2471	if (AvFILLp (av) < 0)
		2472	{
		2473	*avp = 0;
		2474	SvREFCNT_dec (av);
		2475	}
		2476
		2477	return res;
		2478	}
		2479
		2480	static void
		2481	coro_pop_on_enter (pTHX_ void *coro)
		2482	{
		2483	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2484	SvREFCNT_dec (cb);
		2485	}
		2486
		2487	static void
		2488	coro_pop_on_leave (pTHX_ void *coro)
		2489	{
		2490	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2491	on_enterleave_call (aTHX_ sv_2mortal (cb));
2155	}	2492	}
2156		2493
2157	/*****************************************************************************/	2494	/*****************************************************************************/
2158	/* PerlIO::cede */	2495	/* PerlIO::cede */
2159		2496
…		…
2233	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2234		2571
2235	static SV *	2572	static SV *
2236	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2237	{	2574	{
2238	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2575	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2239	AV *av = newAV ();	2576	AV *av = newAV ();
2240	SV **ary;	2577	SV **ary;
2241		2578
2242	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2243	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
2244	AvALLOC (av) = ary;	2581	AvALLOC (av) = ary;
		2582	#if PERL_VERSION_ATLEAST (5,10,0)
2245	/AvARRAY (av) = ary;/	2583	AvARRAY (av) = ary;
		2584	#else
2246	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2585	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2586	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2587	SvPVX ((SV )av) = (char )ary;
		2588	#endif
2247	AvMAX (av) = 1;	2589	AvMAX (av) = 1;
2248	AvFILLp (av) = 0;	2590	AvFILLp (av) = 0;
2249	ary [0] = newSViv (count);	2591	ary [0] = newSViv (count);
2250		2592
2251	return newRV_noinc ((SV *)av);	2593	return newRV_noinc ((SV *)av);
…		…
2382	{	2724	{
2383	/* callback form */	2725	/* callback form */
2384	AV av = (AV )SvRV (arg [0]);	2726	AV av = (AV )SvRV (arg [0]);
2385	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2386		2728
2387	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2388		2730
2389	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2390	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2391		2733
2392	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2416	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2417	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2418		2760
2419	cb = av_shift (av);	2761	cb = av_shift (av);
2420		2762
		2763	if (SvTYPE (cb) == SVt_PVCV)
		2764	{
		2765	dSP;
		2766	PUSHMARK (SP);
		2767	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2768	PUTBACK;
		2769	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2770	}
		2771	else
		2772	{
2421	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2422	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2423	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2424		2778
2425	--count;	2779	--count;
2426	}	2780	}
2427	}	2781	}
…		…
2436	static void	2790	static void
2437	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2791	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2438	{	2792	{
2439	AV av = (AV )SvRV (arg [0]);	2793	AV av = (AV )SvRV (arg [0]);
2440		2794
		2795	if (items >= 2)
		2796	{
		2797	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2798	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2799
2441	if (SvIVX (AvARRAY (av)[0]))	2800	if (SvIVX (AvARRAY (av)[0]))
		2801	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2802
		2803	frame->prepare = prepare_nop;
		2804	frame->check = slf_check_nop;
		2805	}
		2806	else if (SvIVX (AvARRAY (av)[0]))
2442	{	2807	{
2443	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2444	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2445	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2446	}	2811	}
2447	else	2812	else
2448	{	2813	{
2449	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2814	SV waiter = newSVsv (coro_current); / owned by signal av */
2450		2815
2451	av_push (av, waiter);	2816	av_push (av, waiter);
2452		2817
2453	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2818	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2454	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2621	XSRETURN_EMPTY;	2986	XSRETURN_EMPTY;
2622	}	2987	}
2623		2988
2624	/*****************************************************************************/	2989	/*****************************************************************************/
2625		2990
		2991	#if CORO_CLONE
		2992	# include "clone.c"
		2993	#endif
		2994
2626	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2995	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2627		2996
2628	PROTOTYPES: DISABLE	2997	PROTOTYPES: DISABLE
2629		2998
2630	BOOT:	2999	BOOT:
…		…
2634	coro_thx = PERL_GET_CONTEXT;	3003	coro_thx = PERL_GET_CONTEXT;
2635	# endif	3004	# endif
2636	#endif	3005	#endif
2637	BOOT_PAGESIZE;	3006	BOOT_PAGESIZE;
2638		3007
		3008	cctx_current = cctx_new_empty ();
		3009
2639	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3010	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2640	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3011	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2641		3012
2642	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	3013	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2643	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	3014	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2662		3033
2663	{	3034	{
2664	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	3035	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2665		3036
2666	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	3037	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2667	hv_store_ent (PL_custom_op_names, slf,	3038	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2668	newSVpv ("coro_slf", 0), 0);
2669		3039
2670	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	3040	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2671	hv_store_ent (PL_custom_op_descs, slf,	3041	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2672	newSVpv ("coro schedule like function", 0), 0);
2673	}	3042	}
2674		3043
2675	coroapi.ver = CORO_API_VERSION;	3044	coroapi.ver = CORO_API_VERSION;
2676	coroapi.rev = CORO_API_REVISION;	3045	coroapi.rev = CORO_API_REVISION;
2677		3046
…		…
2689		3058
2690	if (!svp) croak ("Time::HiRes is required");	3059	if (!svp) croak ("Time::HiRes is required");
2691	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3060	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2692		3061
2693	nvtime = INT2PTR (double ()(), SvIV (svp));	3062	nvtime = INT2PTR (double ()(), SvIV (svp));
		3063
		3064	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3065	u2time = INT2PTR (double ()(), SvIV (svp));
2694	}	3066	}
2695		3067
2696	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3068	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2697	}	3069	}
2698		3070
2699	SV *	3071	SV *
2700	new (char *klass, ...)	3072	new (char *klass, ...)
2701	ALIAS:	3073	ALIAS:
…		…
2770	void	3142	void
2771	_exit (int code)	3143	_exit (int code)
2772	PROTOTYPE: $	3144	PROTOTYPE: $
2773	CODE:	3145	CODE:
2774	_exit (code);	3146	_exit (code);
		3147
		3148	SV *
		3149	clone (Coro::State coro)
		3150	CODE:
		3151	{
		3152	#if CORO_CLONE
		3153	struct coro *ncoro = coro_clone (aTHX_ coro);
		3154	MAGIC *mg;
		3155	/* TODO: too much duplication */
		3156	ncoro->hv = newHV ();
		3157	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		3158	mg->mg_flags \|= MGf_DUP;
		3159	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3160	#else
		3161	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3162	#endif
		3163	}
		3164	OUTPUT:
		3165	RETVAL
2775		3166
2776	int	3167	int
2777	cctx_stacksize (int new_stacksize = 0)	3168	cctx_stacksize (int new_stacksize = 0)
2778	PROTOTYPE: ;$	3169	PROTOTYPE: ;$
2779	CODE:	3170	CODE:
…		…
2829	eval = 1	3220	eval = 1
2830	CODE:	3221	CODE:
2831	{	3222	{
2832	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3223	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2833	{	3224	{
2834	struct coro temp;	3225	struct coro *current = SvSTATE_current;
2835		3226
2836	if (!(coro->flags & CF_RUNNING))	3227	if (current != coro)
2837	{	3228	{
2838	PUTBACK;	3229	PUTBACK;
2839	save_perl (aTHX_ &temp);	3230	save_perl (aTHX_ current);
2840	load_perl (aTHX_ coro);	3231	load_perl (aTHX_ coro);
		3232	SPAGAIN;
2841	}	3233	}
2842		3234
2843	{
2844	dSP;
2845	ENTER;
2846	SAVETMPS;
2847	PUTBACK;
2848	PUSHSTACK;	3235	PUSHSTACK;
		3236
2849	PUSHMARK (SP);	3237	PUSHMARK (SP);
		3238	PUTBACK;
2850		3239
2851	if (ix)	3240	if (ix)
2852	eval_sv (coderef, 0);	3241	eval_sv (coderef, 0);
2853	else	3242	else
2854	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3243	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2855		3244
2856	POPSTACK;	3245	POPSTACK;
2857	SPAGAIN;	3246	SPAGAIN;
2858	FREETMPS;
2859	LEAVE;
2860	PUTBACK;
2861	}
2862		3247
2863	if (!(coro->flags & CF_RUNNING))	3248	if (current != coro)
2864	{	3249	{
		3250	PUTBACK;
2865	save_perl (aTHX_ coro);	3251	save_perl (aTHX_ coro);
2866	load_perl (aTHX_ &temp);	3252	load_perl (aTHX_ current);
2867	SPAGAIN;	3253	SPAGAIN;
2868	}	3254	}
2869	}	3255	}
2870	}	3256	}
2871		3257
…		…
2875	ALIAS:	3261	ALIAS:
2876	is_ready = CF_READY	3262	is_ready = CF_READY
2877	is_running = CF_RUNNING	3263	is_running = CF_RUNNING
2878	is_new = CF_NEW	3264	is_new = CF_NEW
2879	is_destroyed = CF_DESTROYED	3265	is_destroyed = CF_DESTROYED
		3266	is_suspended = CF_SUSPENDED
2880	CODE:	3267	CODE:
2881	RETVAL = boolSV (coro->flags & ix);	3268	RETVAL = boolSV (coro->flags & ix);
2882	OUTPUT:	3269	OUTPUT:
2883	RETVAL	3270	RETVAL
2884		3271
…		…
2888	CODE:	3275	CODE:
2889	{	3276	{
2890	struct coro *current = SvSTATE_current;	3277	struct coro *current = SvSTATE_current;
2891	SV **throwp = self == current ? &CORO_THROW : &self->except;	3278	SV **throwp = self == current ? &CORO_THROW : &self->except;
2892	SvREFCNT_dec (*throwp);	3279	SvREFCNT_dec (*throwp);
		3280	SvGETMAGIC (throw);
2893	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3281	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
2894	}	3282	}
2895		3283
2896	void	3284	void
2897	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3285	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
2900		3288
2901	SV *	3289	SV *
2902	has_cctx (Coro::State coro)	3290	has_cctx (Coro::State coro)
2903	PROTOTYPE: $	3291	PROTOTYPE: $
2904	CODE:	3292	CODE:
2905	RETVAL = boolSV (!!coro->cctx);	3293	/* maybe manage the running flag differently */
		3294	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2906	OUTPUT:	3295	OUTPUT:
2907	RETVAL	3296	RETVAL
2908		3297
2909	int	3298	int
2910	is_traced (Coro::State coro)	3299	is_traced (Coro::State coro)
…		…
2930		3319
2931	void	3320	void
2932	force_cctx ()	3321	force_cctx ()
2933	PROTOTYPE:	3322	PROTOTYPE:
2934	CODE:	3323	CODE:
2935	SvSTATE_current->cctx->idle_sp = 0;	3324	cctx_current->idle_sp = 0;
2936		3325
2937	void	3326	void
2938	swap_defsv (Coro::State self)	3327	swap_defsv (Coro::State self)
2939	PROTOTYPE: $	3328	PROTOTYPE: $
2940	ALIAS:	3329	ALIAS:
…		…
2948	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3337	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2949		3338
2950	SV tmp = src; src = dst; *dst = tmp;	3339	SV tmp = src; src = dst; *dst = tmp;
2951	}	3340	}
2952		3341
		3342	void
		3343	cancel (Coro::State self)
		3344	CODE:
		3345	coro_state_destroy (aTHX_ self);
		3346	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3347
		3348
		3349	SV *
		3350	enable_times (int enabled = enable_times)
		3351	CODE:
		3352	{
		3353	RETVAL = boolSV (enable_times);
		3354
		3355	if (enabled != enable_times)
		3356	{
		3357	enable_times = enabled;
		3358
		3359	coro_times_update ();
		3360	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3361	}
		3362	}
		3363	OUTPUT:
		3364	RETVAL
		3365
		3366	void
		3367	times (Coro::State self)
		3368	PPCODE:
		3369	{
		3370	struct coro *current = SvSTATE (coro_current);
		3371
		3372	if (expect_false (current == self))
		3373	{
		3374	coro_times_update ();
		3375	coro_times_add (SvSTATE (coro_current));
		3376	}
		3377
		3378	EXTEND (SP, 2);
		3379	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3380	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3381
		3382	if (expect_false (current == self))
		3383	coro_times_sub (SvSTATE (coro_current));
		3384	}
2953		3385
2954	MODULE = Coro::State PACKAGE = Coro	3386	MODULE = Coro::State PACKAGE = Coro
2955		3387
2956	BOOT:	3388	BOOT:
2957	{	3389	{
2958	int i;
2959
2960	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2961	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3390	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2962	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3391	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2963	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3392	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2964	cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);	3393	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2965	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3394	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2966	SvREADONLY_on (coro_current);	3395	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3396	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3397	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3398	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2967		3399
2968	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3400	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2969	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3401	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2970	cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);	3402	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2971	cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new);	3403	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2972		3404
2973	coro_stash = gv_stashpv ("Coro", TRUE);	3405	coro_stash = gv_stashpv ("Coro", TRUE);
2974		3406
2975	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3407	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
2976	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3408	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
2977	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3409	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
2978	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3410	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
2979	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3411	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
2980	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3412	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
2981
2982	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
2983	coro_ready[i] = newAV ();
2984		3413
2985	{	3414	{
2986	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3415	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2987		3416
2988	coroapi.schedule = api_schedule;	3417	coroapi.schedule = api_schedule;
		3418	coroapi.schedule_to = api_schedule_to;
2989	coroapi.cede = api_cede;	3419	coroapi.cede = api_cede;
2990	coroapi.cede_notself = api_cede_notself;	3420	coroapi.cede_notself = api_cede_notself;
2991	coroapi.ready = api_ready;	3421	coroapi.ready = api_ready;
2992	coroapi.is_ready = api_is_ready;	3422	coroapi.is_ready = api_is_ready;
2993	coroapi.nready = coro_nready;	3423	coroapi.nready = coro_nready;
…		…
2998	SvREADONLY_on (sv);	3428	SvREADONLY_on (sv);
2999	}	3429	}
3000	}	3430	}
3001		3431
3002	void	3432	void
		3433	terminate (...)
		3434	CODE:
		3435	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3436
		3437	void
3003	schedule (...)	3438	schedule (...)
3004	CODE:	3439	CODE:
3005	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3440	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3441
		3442	void
		3443	schedule_to (...)
		3444	CODE:
		3445	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3446
		3447	void
		3448	cede_to (...)
		3449	CODE:
		3450	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3006		3451
3007	void	3452	void
3008	cede (...)	3453	cede (...)
3009	CODE:	3454	CODE:
3010	CORO_EXECUTE_SLF_XS (slf_init_cede);	3455	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
3024	void	3469	void
3025	_set_readyhook (SV *hook)	3470	_set_readyhook (SV *hook)
3026	PROTOTYPE: $	3471	PROTOTYPE: $
3027	CODE:	3472	CODE:
3028	SvREFCNT_dec (coro_readyhook);	3473	SvREFCNT_dec (coro_readyhook);
		3474	SvGETMAGIC (hook);
3029	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3475	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3030		3476
3031	int	3477	int
3032	prio (Coro::State coro, int newprio = 0)	3478	prio (Coro::State coro, int newprio = 0)
3033	PROTOTYPE: $;$	3479	PROTOTYPE: $;$
…		…
3040	if (items > 1)	3486	if (items > 1)
3041	{	3487	{
3042	if (ix)	3488	if (ix)
3043	newprio = coro->prio - newprio;	3489	newprio = coro->prio - newprio;
3044		3490
3045	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3491	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3046	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3492	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3047		3493
3048	coro->prio = newprio;	3494	coro->prio = newprio;
3049	}	3495	}
3050	}	3496	}
3051	OUTPUT:	3497	OUTPUT:
…		…
3066	RETVAL = coro_nready;	3512	RETVAL = coro_nready;
3067	OUTPUT:	3513	OUTPUT:
3068	RETVAL	3514	RETVAL
3069		3515
3070	void	3516	void
		3517	suspend (Coro::State self)
		3518	PROTOTYPE: $
		3519	CODE:
		3520	self->flags \|= CF_SUSPENDED;
		3521
		3522	void
		3523	resume (Coro::State self)
		3524	PROTOTYPE: $
		3525	CODE:
		3526	self->flags &= ~CF_SUSPENDED;
		3527
		3528	void
3071	_pool_handler (...)	3529	_pool_handler (...)
3072	CODE:	3530	CODE:
3073	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3531	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
3074		3532
3075	void	3533	void
…		…
3091	PUSHMARK (SP);	3549	PUSHMARK (SP);
3092	EXTEND (SP, 2);	3550	EXTEND (SP, 2);
3093	PUSHs (sv_Coro);	3551	PUSHs (sv_Coro);
3094	PUSHs ((SV *)cv_pool_handler);	3552	PUSHs ((SV *)cv_pool_handler);
3095	PUTBACK;	3553	PUTBACK;
3096	call_sv (cv_coro_new, G_SCALAR);	3554	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3097	SPAGAIN;	3555	SPAGAIN;
3098		3556
3099	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3557	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3100	}	3558	}
3101		3559
…		…
3106	assert (!coro->invoke_av);	3564	assert (!coro->invoke_av);
3107	coro->invoke_cb = SvREFCNT_inc (cb);	3565	coro->invoke_cb = SvREFCNT_inc (cb);
3108	coro->invoke_av = av;	3566	coro->invoke_av = av;
3109	}	3567	}
3110		3568
3111	api_ready ((SV *)hv);	3569	api_ready (aTHX_ (SV *)hv);
3112		3570
3113	if (GIMME_V != G_VOID)	3571	if (GIMME_V != G_VOID)
3114	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	3572	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3115	else	3573	else
3116	SvREFCNT_dec (hv);	3574	SvREFCNT_dec (hv);
…		…
3128	rouse_wait (...)	3586	rouse_wait (...)
3129	PROTOTYPE: ;$	3587	PROTOTYPE: ;$
3130	PPCODE:	3588	PPCODE:
3131	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3589	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3132		3590
		3591	void
		3592	on_enter (SV *block)
		3593	ALIAS:
		3594	on_leave = 1
		3595	PROTOTYPE: &
		3596	CODE:
		3597	{
		3598	struct coro *coro = SvSTATE_current;
		3599	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3600
		3601	block = (SV *)coro_sv_2cv (aTHX_ block);
		3602
		3603	if (!*avp)
		3604	*avp = newAV ();
		3605
		3606	av_push (*avp, SvREFCNT_inc (block));
		3607
		3608	if (!ix)
		3609	on_enterleave_call (aTHX_ block);
		3610
		3611	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3612	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3613	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3614	}
		3615
3133		3616
3134	MODULE = Coro::State PACKAGE = PerlIO::cede	3617	MODULE = Coro::State PACKAGE = PerlIO::cede
3135		3618
3136	BOOT:	3619	BOOT:
3137	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3620	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3140	MODULE = Coro::State PACKAGE = Coro::Semaphore	3623	MODULE = Coro::State PACKAGE = Coro::Semaphore
3141		3624
3142	SV *	3625	SV *
3143	new (SV klass, SV count = 0)	3626	new (SV klass, SV count = 0)
3144	CODE:	3627	CODE:
		3628	{
		3629	int semcnt = 1;
		3630
		3631	if (count)
		3632	{
		3633	SvGETMAGIC (count);
		3634
		3635	if (SvOK (count))
		3636	semcnt = SvIV (count);
		3637	}
		3638
3145	RETVAL = sv_bless (	3639	RETVAL = sv_bless (
3146	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3640	coro_waitarray_new (aTHX_ semcnt),
3147	GvSTASH (CvGV (cv))	3641	GvSTASH (CvGV (cv))
3148	);	3642	);
		3643	}
3149	OUTPUT:	3644	OUTPUT:
3150	RETVAL	3645	RETVAL
3151		3646
3152	# helper for Coro::Channel	3647	# helper for Coro::Channel and others
3153	SV *	3648	SV *
3154	_alloc (int count)	3649	_alloc (int count)
3155	CODE:	3650	CODE:
3156	RETVAL = coro_waitarray_new (aTHX_ count);	3651	RETVAL = coro_waitarray_new (aTHX_ count);
3157	OUTPUT:	3652	OUTPUT:
…		…
3215	for (i = 1; i <= wcount; ++i)	3710	for (i = 1; i <= wcount; ++i)
3216	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3711	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3217	}	3712	}
3218	}	3713	}
3219		3714
		3715	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3716
		3717	void
		3718	_may_delete (SV *sem, int count, int extra_refs)
		3719	PPCODE:
		3720	{
		3721	AV av = (AV )SvRV (sem);
		3722
		3723	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3724	&& AvFILLp (av) == 0 /* no waiters, just count */
		3725	&& SvIV (AvARRAY (av)[0]) == count)
		3726	XSRETURN_YES;
		3727
		3728	XSRETURN_NO;
		3729	}
		3730
3220	MODULE = Coro::State PACKAGE = Coro::Signal	3731	MODULE = Coro::State PACKAGE = Coro::Signal
3221		3732
3222	SV *	3733	SV *
3223	new (SV *klass)	3734	new (SV *klass)
3224	CODE:	3735	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs. Revision 1.361 by root, Wed Jul 1 07:26:40 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs.
Revision 1.361 by root, Wed Jul 1 07:26:40 2009 UTC