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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC

…		…
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	102	#endif
103	#ifndef CvISXSUB	103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)	104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif	105	#endif
		106	#ifndef Newx
		107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
		108	#endif
106		109
107	/* 5.8.7 */	110	/* 5.8.7 */
108	#ifndef SvRV_set	111	#ifndef SvRV_set
109	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
110	#endif	113	#endif
…		…
130	#else	133	#else
131	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
132	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
133	#endif	136	#endif
134		137
135	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
136		139
137	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
138	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
139	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
140	# define INLINE static inline	143	# define INLINE static inline
141	#else	144	#else
142	# define attribute(x)	145	# define attribute(x)
143	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
144	# define INLINE static	147	# define INLINE static
…		…
156	# if CORO_PTHREAD	159	# if CORO_PTHREAD
157	static void *coro_thx;	160	static void *coro_thx;
158	# endif	161	# endif
159	#endif	162	#endif
160		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
161	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]);
162		176
163	/* we hijack an hopefully unused CV flag for our purposes */	177	/* we hijack an hopefully unused CV flag for our purposes */
164	#define CVf_SLF 0x4000	178	#define CVf_SLF 0x4000
165	static OP *pp_slf (pTHX);	179	static OP *pp_slf (pTHX);
166		180
…		…
170	static AV main_mainstack; / used to differentiate between $main and others */	184	static AV main_mainstack; / used to differentiate between $main and others */
171	static JMPENV *main_top_env;	185	static JMPENV *main_top_env;
172	static HV coro_state_stash, coro_stash;	186	static HV coro_state_stash, coro_stash;
173	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 */
174		188
		189	static AV av_destroy; / destruction queue */
		190	static SV sv_manager; / the manager coro */
		191	static SV sv_idle; / $Coro::idle */
		192
175	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
176	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
177	static SV *rv_diehook;	195	static SV *rv_diehook;
178	static SV *rv_warnhook;	196	static SV *rv_warnhook;
179	static HV hv_sig; / %SIG */	197	static HV hv_sig; / %SIG */
180		198
181	/* async_pool helper stuff */	199	/* async_pool helper stuff */
182	static SV *sv_pool_rss;	200	static SV *sv_pool_rss;
183	static SV *sv_pool_size;	201	static SV *sv_pool_size;
184	static SV *sv_async_pool_idle;	202	static SV sv_async_pool_idle; / description string */
185	static AV *av_async_pool;	203	static AV av_async_pool; / idle pool */
186	static SV *sv_Coro;	204	static SV sv_Coro; / class string */
187	static CV *cv_pool_handler;	205	static CV *cv_pool_handler;
188	static CV *cv_coro_state_new;	206	static CV *cv_coro_state_new;
189		207
190	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
191	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;
192		216
193	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
194	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
195		219
196	enum {	220	enum {
…		…
222	int valgrind_id;	246	int valgrind_id;
223	#endif	247	#endif
224	unsigned char flags;	248	unsigned char flags;
225	} coro_cctx;	249	} coro_cctx;
226		250
		251	coro_cctx cctx_current; / the currently running cctx */
		252
		253	/*****************************************************************************/
		254
227	enum {	255	enum {
228	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
229	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
230	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
231	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 */
232	};	261	};
233		262
234	/* 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 */
235	typedef struct	264	typedef struct
236	{	265	{
237	SV *defsv;	266	SV *defsv;
238	AV *defav;	267	AV *defav;
239	SV *errsv;	268	SV *errsv;
240	SV *irsgv;	269	SV *irsgv;
		270	HV *hinthv;
241	#define VAR(name,type) type name;	271	#define VAR(name,type) type name;
242	# include "state.h"	272	# include "state.h"
243	#undef VAR	273	#undef VAR
244	} perl_slots;	274	} perl_slots;
245		275
…		…
247		277
248	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
249	struct coro {	279	struct coro {
250	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
251	coro_cctx *cctx;	281	coro_cctx *cctx;
		282
		283	/* ready queue */
		284	struct coro *next_ready;
252		285
253	/* state data */	286	/* state data */
254	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
255	AV *mainstack;	288	AV *mainstack;
256	perl_slots slot; / basically the saved sp */	289	perl_slots slot; / basically the saved sp */
…		…
273	/* async_pool */	306	/* async_pool */
274	SV *saved_deffh;	307	SV *saved_deffh;
275	SV *invoke_cb;	308	SV *invoke_cb;
276	AV *invoke_av;	309	AV *invoke_av;
277		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
278	/* linked list */	318	/* linked list */
279	struct coro next, prev;	319	struct coro next, prev;
280	};	320	};
281		321
282	typedef struct coro *Coro__State;	322	typedef struct coro *Coro__State;
…		…
287	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
288	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
289		329
290	/ Coro ******************************************************************/	330	/ Coro ******************************************************************/
291		331
292	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
293	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
294	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
295	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
296	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
297	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
298		338
299	/* for Coro.pm */	339	/* for Coro.pm */
300	static SV *coro_current;	340	static SV *coro_current;
301	static SV *coro_readyhook;	341	static SV *coro_readyhook;
302	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 */
303	static CV cv_coro_run, cv_coro_terminate;	343	static CV cv_coro_run, cv_coro_terminate;
304	static struct coro *coro_first;	344	static struct coro *coro_first;
305	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
306		346
307	/ lowlevel stuff ********************************************************/	347	/ lowlevel stuff ********************************************************/
…		…
340	INLINE CV *	380	INLINE CV *
341	coro_sv_2cv (pTHX_ SV *sv)	381	coro_sv_2cv (pTHX_ SV *sv)
342	{	382	{
343	HV *st;	383	HV *st;
344	GV *gvp;	384	GV *gvp;
345	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;
346	}	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 */
347		490
348	static AV *	491	static AV *
349	coro_clone_padlist (pTHX_ CV *cv)	492	coro_derive_padlist (pTHX_ CV *cv)
350	{	493	{
351	AV *padlist = CvPADLIST (cv);	494	AV *padlist = CvPADLIST (cv);
352	AV newpadlist, newpad;	495	AV newpadlist, newpad;
353		496
354	newpadlist = newAV ();	497	newpadlist = newAV ();
…		…
359	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	502	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
360	#endif	503	#endif
361	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	504	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
362	--AvFILLp (padlist);	505	--AvFILLp (padlist);
363		506
364	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	507	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
365	av_store (newpadlist, 1, (SV *)newpad);	508	av_store (newpadlist, 1, (SV *)newpad);
366		509
367	return newpadlist;	510	return newpadlist;
368	}	511	}
369		512
370	static void	513	static void
371	free_padlist (pTHX_ AV *padlist)	514	free_padlist (pTHX_ AV *padlist)
372	{	515	{
373	/* may be during global destruction */	516	/* may be during global destruction */
374	if (SvREFCNT (padlist))	517	if (!IN_DESTRUCT)
375	{	518	{
376	I32 i = AvFILLp (padlist);	519	I32 i = AvFILLp (padlist);
377	while (i >= 0)	520
		521	while (i > 0) /* special-case index 0 */
378	{	522	{
379	SV **svp = av_fetch (padlist, i--, FALSE);	523	/* we try to be extra-careful here */
380	if (svp)	524	AV av = (AV )AvARRAY (padlist)[i--];
381	{	525	I32 j = AvFILLp (av);
382	SV *sv;	526
383	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	527	while (j >= 0)
		528	SvREFCNT_dec (AvARRAY (av)[j--]);
		529
		530	AvFILLp (av) = -1;
384	SvREFCNT_dec (sv);	531	SvREFCNT_dec (av);
385
386	SvREFCNT_dec (*svp);
387	}
388	}	532	}
389		533
		534	SvREFCNT_dec (AvARRAY (padlist)[0]);
		535
		536	AvFILLp (padlist) = -1;
390	SvREFCNT_dec ((SV*)padlist);	537	SvREFCNT_dec ((SV*)padlist);
391	}	538	}
392	}	539	}
393		540
394	static int	541	static int
395	coro_cv_free (pTHX_ SV sv, MAGIC mg)	542	coro_cv_free (pTHX_ SV sv, MAGIC mg)
396	{	543	{
397	AV *padlist;	544	AV *padlist;
398	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;
399		550
400	/* casting is fun. */	551	/* casting is fun. */
401	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	552	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
402	free_padlist (aTHX_ padlist);	553	free_padlist (aTHX_ padlist);
403		554
404	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	555	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
405		556
406	return 0;	557	return 0;
407	}	558	}
408
409	#define CORO_MAGIC_type_cv 26
410	#define CORO_MAGIC_type_state PERL_MAGIC_ext
411		559
412	static MGVTBL coro_cv_vtbl = {	560	static MGVTBL coro_cv_vtbl = {
413	0, 0, 0, 0,	561	0, 0, 0, 0,
414	coro_cv_free	562	coro_cv_free
415	};	563	};
416
417	#define CORO_MAGIC_NN(sv, type) \
418	(expect_true (SvMAGIC (sv)->mg_type == type) \
419	? SvMAGIC (sv) \
420	: mg_find (sv, type))
421
422	#define CORO_MAGIC(sv, type) \
423	(expect_true (SvMAGIC (sv)) \
424	? CORO_MAGIC_NN (sv, type) \
425	: 0)
426
427	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
428	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
429
430	INLINE struct coro *
431	SvSTATE_ (pTHX_ SV *coro)
432	{
433	HV *stash;
434	MAGIC *mg;
435
436	if (SvROK (coro))
437	coro = SvRV (coro);
438
439	if (expect_false (SvTYPE (coro) != SVt_PVHV))
440	croak ("Coro::State object required");
441
442	stash = SvSTASH (coro);
443	if (expect_false (stash != coro_stash && stash != coro_state_stash))
444	{
445	/* very slow, but rare, check */
446	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
447	croak ("Coro::State object required");
448	}
449
450	mg = CORO_MAGIC_state (coro);
451	return (struct coro *)mg->mg_ptr;
452	}
453
454	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
455
456	/* faster than SvSTATE, but expects a coroutine hv */
457	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
458	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
459		564
460	/* the next two functions merely cache the padlists */	565	/* the next two functions merely cache the padlists */
461	static void	566	static void
462	get_padlist (pTHX_ CV *cv)	567	get_padlist (pTHX_ CV *cv)
463	{	568	{
…		…
474	CV *cp = Perl_cv_clone (aTHX_ cv);	579	CV *cp = Perl_cv_clone (aTHX_ cv);
475	CvPADLIST (cv) = CvPADLIST (cp);	580	CvPADLIST (cv) = CvPADLIST (cp);
476	CvPADLIST (cp) = 0;	581	CvPADLIST (cp) = 0;
477	SvREFCNT_dec (cp);	582	SvREFCNT_dec (cp);
478	#else	583	#else
479	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	584	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
480	#endif	585	#endif
481	}	586	}
482	}	587	}
483		588
484	static void	589	static void
…		…
491	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);
492		597
493	av = (AV *)mg->mg_obj;	598	av = (AV *)mg->mg_obj;
494		599
495	if (expect_false (AvFILLp (av) >= AvMAX (av)))	600	if (expect_false (AvFILLp (av) >= AvMAX (av)))
496	av_extend (av, AvMAX (av) + 1);	601	av_extend (av, AvFILLp (av) + 1);
497		602
498	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	603	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
499	}	604	}
500		605
501	/ load & save, init *****************************************************/	606	/ load & save, init *****************************************************/
		607
		608	static void
		609	on_enterleave_call (pTHX_ SV *cb);
502		610
503	static void	611	static void
504	load_perl (pTHX_ Coro__State c)	612	load_perl (pTHX_ Coro__State c)
505	{	613	{
506	perl_slots *slot = c->slot;	614	perl_slots *slot = c->slot;
507	c->slot = 0;	615	c->slot = 0;
508		616
509	PL_mainstack = c->mainstack;	617	PL_mainstack = c->mainstack;
510		618
511	GvSV (PL_defgv) = slot->defsv;	619	GvSV (PL_defgv) = slot->defsv;
512	GvAV (PL_defgv) = slot->defav;	620	GvAV (PL_defgv) = slot->defav;
513	GvSV (PL_errgv) = slot->errsv;	621	GvSV (PL_errgv) = slot->errsv;
514	GvSV (irsgv) = slot->irsgv;	622	GvSV (irsgv) = slot->irsgv;
		623	GvHV (PL_hintgv) = slot->hinthv;
515		624
516	#define VAR(name,type) PL_ ## name = slot->name;	625	#define VAR(name,type) PL_ ## name = slot->name;
517	# include "state.h"	626	# include "state.h"
518	#undef VAR	627	#undef VAR
519		628
…		…
533	PUTBACK;	642	PUTBACK;
534	}	643	}
535		644
536	slf_frame = c->slf_frame;	645	slf_frame = c->slf_frame;
537	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	}
538	}	663	}
539		664
540	static void	665	static void
541	save_perl (pTHX_ Coro__State c)	666	save_perl (pTHX_ Coro__State c)
542	{	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
543	c->except = CORO_THROW;	684	c->except = CORO_THROW;
544	c->slf_frame = slf_frame;	685	c->slf_frame = slf_frame;
545		686
546	{	687	{
547	dSP;	688	dSP;
…		…
560	{	701	{
561	while (expect_true (cxix >= 0))	702	while (expect_true (cxix >= 0))
562	{	703	{
563	PERL_CONTEXT *cx = &ccstk[cxix--];	704	PERL_CONTEXT *cx = &ccstk[cxix--];
564		705
565	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))
566	{	707	{
567	CV *cv = cx->blk_sub.cv;	708	CV *cv = cx->blk_sub.cv;
568		709
569	if (expect_true (CvDEPTH (cv)))	710	if (expect_true (CvDEPTH (cv)))
570	{	711	{
…		…
605	c->mainstack = PL_mainstack;	746	c->mainstack = PL_mainstack;
606		747
607	{	748	{
608	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	749	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
609		750
610	slot->defav = GvAV (PL_defgv);	751	slot->defav = GvAV (PL_defgv);
611	slot->defsv = DEFSV;	752	slot->defsv = DEFSV;
612	slot->errsv = ERRSV;	753	slot->errsv = ERRSV;
613	slot->irsgv = GvSV (irsgv);	754	slot->irsgv = GvSV (irsgv);
		755	slot->hinthv = GvHV (PL_hintgv);
614		756
615	#define VAR(name,type) slot->name = PL_ ## name;	757	#define VAR(name,type) slot->name = PL_ ## name;
616	# include "state.h"	758	# include "state.h"
617	#undef VAR	759	#undef VAR
618	}	760	}
…		…
745	#endif	887	#endif
746		888
747	/*	889	/*
748	* This overrides the default magic get method of %SIG elements.	890	* This overrides the default magic get method of %SIG elements.
749	* 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
750	* 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
751	* readback here.	893	* readback here.
752	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
753	* not expecting this to actually change the hook. This is a potential problem
754	* when a schedule happens then, but we ignore this.
755	*/	894	*/
756	static int	895	static int
757	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	896	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
758	{	897	{
759	const char *s = MgPV_nolen_const (mg);	898	const char *s = MgPV_nolen_const (mg);
…		…
812	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	951	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
813		952
814	if (svp)	953	if (svp)
815	{	954	{
816	SV old = svp;	955	SV old = svp;
817	*svp = newSVsv (sv);	956	*svp = SvOK (sv) ? newSVsv (sv) : 0;
818	SvREFCNT_dec (old);	957	SvREFCNT_dec (old);
819	return 0;	958	return 0;
820	}	959	}
821	}	960	}
822		961
…		…
832		971
833	static int	972	static int
834	slf_check_nop (pTHX_ struct CoroSLF *frame)	973	slf_check_nop (pTHX_ struct CoroSLF *frame)
835	{	974	{
836	return 0;	975	return 0;
		976	}
		977
		978	static int
		979	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		980	{
		981	return 1;
837	}	982	}
838		983
839	static UNOP coro_setup_op;	984	static UNOP coro_setup_op;
840		985
841	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 */
…		…
848		993
849	PL_runops = RUNOPS_DEFAULT;	994	PL_runops = RUNOPS_DEFAULT;
850	PL_curcop = &PL_compiling;	995	PL_curcop = &PL_compiling;
851	PL_in_eval = EVAL_NULL;	996	PL_in_eval = EVAL_NULL;
852	PL_comppad = 0;	997	PL_comppad = 0;
		998	PL_comppad_name = 0;
		999	PL_comppad_name_fill = 0;
		1000	PL_comppad_name_floor = 0;
853	PL_curpm = 0;	1001	PL_curpm = 0;
854	PL_curpad = 0;	1002	PL_curpad = 0;
855	PL_localizing = 0;	1003	PL_localizing = 0;
856	PL_dirty = 0;	1004	PL_dirty = 0;
857	PL_restartop = 0;	1005	PL_restartop = 0;
858	#if PERL_VERSION_ATLEAST (5,10,0)	1006	#if PERL_VERSION_ATLEAST (5,10,0)
859	PL_parser = 0;	1007	PL_parser = 0;
860	#endif	1008	#endif
		1009	PL_hints = 0;
861		1010
862	/* recreate the die/warn hooks */	1011	/* recreate the die/warn hooks */
863	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 );
864	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);
865		1014
866	GvSV (PL_defgv) = newSV (0);	1015	GvSV (PL_defgv) = newSV (0);
867	GvAV (PL_defgv) = coro->args; coro->args = 0;	1016	GvAV (PL_defgv) = coro->args; coro->args = 0;
868	GvSV (PL_errgv) = newSV (0);	1017	GvSV (PL_errgv) = newSV (0);
869	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;
870	PL_rs = newSVsv (GvSV (irsgv));	1020	PL_rs = newSVsv (GvSV (irsgv));
871	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	1021	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
872		1022
873	{	1023	{
874	dSP;	1024	dSP;
…		…
892	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 */
893	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 */
894		1044
895	/* 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 */
896	coro_setup_op.op_next = PL_op;	1046	coro_setup_op.op_next = PL_op;
897	coro_setup_op.op_type = OP_CUSTOM;	1047	coro_setup_op.op_type = OP_ENTERSUB;
898	coro_setup_op.op_ppaddr = pp_slf;	1048	coro_setup_op.op_ppaddr = pp_slf;
899	/* no flags etc. required, as an init function won't be called */	1049	/* no flags etc. required, as an init function won't be called */
900		1050
901	PL_op = (OP *)&coro_setup_op;	1051	PL_op = (OP *)&coro_setup_op;
902		1052
903	/* copy throw, in case it was set before coro_setup */	1053	/* copy throw, in case it was set before coro_setup */
904	CORO_THROW = coro->except;	1054	CORO_THROW = coro->except;
905	}
906		1055
		1056	if (expect_false (enable_times))
		1057	{
		1058	coro_times_update ();
		1059	coro_times_sub (coro);
		1060	}
		1061	}
		1062
907	static void	1063	static void
908	coro_destruct (pTHX_ struct coro *coro)	1064	coro_unwind_stacks (pTHX)
909	{	1065	{
910	if (!IN_DESTRUCT)	1066	if (!IN_DESTRUCT)
911	{	1067	{
912	/* restore all saved variables and stuff */	1068	/* restore all saved variables and stuff */
913	LEAVE_SCOPE (0);	1069	LEAVE_SCOPE (0);
…		…
921	POPSTACK_TO (PL_mainstack);	1077	POPSTACK_TO (PL_mainstack);
922		1078
923	/* unwind main stack */	1079	/* unwind main stack */
924	dounwind (-1);	1080	dounwind (-1);
925	}	1081	}
		1082	}
926		1083
927	SvREFCNT_dec (GvSV (PL_defgv));	1084	static void
928	SvREFCNT_dec (GvAV (PL_defgv));	1085	coro_destruct_perl (pTHX_ struct coro *coro)
929	SvREFCNT_dec (GvSV (PL_errgv));	1086	{
930	SvREFCNT_dec (PL_defoutgv);	1087	SV *svf [9];
931	SvREFCNT_dec (PL_rs);
932	SvREFCNT_dec (GvSV (irsgv));
933		1088
934	SvREFCNT_dec (PL_diehook);
935	SvREFCNT_dec (PL_warnhook);
936		1089	{
		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
937	SvREFCNT_dec (coro->saved_deffh);	1121	SvREFCNT_dec (coro->saved_deffh);
938	SvREFCNT_dec (coro->rouse_cb);	1122	SvREFCNT_dec (coro->rouse_cb);
939	SvREFCNT_dec (coro->invoke_cb);	1123	SvREFCNT_dec (coro->invoke_cb);
940	SvREFCNT_dec (coro->invoke_av);	1124	SvREFCNT_dec (coro->invoke_av);
941		1125	}
942	coro_destruct_stacks (aTHX);
943	}	1126	}
944		1127
945	INLINE void	1128	INLINE void
946	free_coro_mortal (pTHX)	1129	free_coro_mortal (pTHX)
947	{	1130	{
…		…
955	static int	1138	static int
956	runops_trace (pTHX)	1139	runops_trace (pTHX)
957	{	1140	{
958	COP *oldcop = 0;	1141	COP *oldcop = 0;
959	int oldcxix = -2;	1142	int oldcxix = -2;
960	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
961	coro_cctx *cctx = coro->cctx;
962		1143
963	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1144	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
964	{	1145	{
965	PERL_ASYNC_CHECK ();	1146	PERL_ASYNC_CHECK ();
966		1147
967	if (cctx->flags & CC_TRACE_ALL)	1148	if (cctx_current->flags & CC_TRACE_ALL)
968	{	1149	{
969	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)
970	{	1151	{
971	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1152	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
972	SV bot, top;	1153	SV bot, top;
973	AV av = newAV (); / return values */	1154	AV av = newAV (); / return values */
974	SV **cb;	1155	SV **cb;
…		…
1011		1192
1012	if (PL_curcop != &PL_compiling)	1193	if (PL_curcop != &PL_compiling)
1013	{	1194	{
1014	SV **cb;	1195	SV **cb;
1015		1196
1016	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1197	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1017	{	1198	{
1018	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1199	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1019		1200
1020	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1201	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1021	{	1202	{
1022	runops_proc_t old_runops = PL_runops;
1023	dSP;	1203	dSP;
1024	GV *gv = CvGV (cx->blk_sub.cv);	1204	GV *gv = CvGV (cx->blk_sub.cv);
1025	SV *fullname = sv_2mortal (newSV (0));	1205	SV *fullname = sv_2mortal (newSV (0));
1026		1206
1027	if (isGV (gv))	1207	if (isGV (gv))
…		…
1045	}	1225	}
1046		1226
1047	oldcxix = cxstack_ix;	1227	oldcxix = cxstack_ix;
1048	}	1228	}
1049		1229
1050	if (cctx->flags & CC_TRACE_LINE)	1230	if (cctx_current->flags & CC_TRACE_LINE)
1051	{	1231	{
1052	dSP;	1232	dSP;
1053		1233
1054	PL_runops = RUNOPS_DEFAULT;	1234	PL_runops = RUNOPS_DEFAULT;
1055	ENTER;	1235	ENTER;
…		…
1074		1254
1075	TAINT_NOT;	1255	TAINT_NOT;
1076	return 0;	1256	return 0;
1077	}	1257	}
1078		1258
1079	static struct coro_cctx *cctx_ssl_cctx;
1080	static struct CoroSLF cctx_ssl_frame;	1259	static struct CoroSLF cctx_ssl_frame;
1081		1260
1082	static void	1261	static void
1083	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1262	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1084	{	1263	{
1085	ta->prev = (struct coro *)cctx_ssl_cctx;
1086	ta->next = 0;	1264	ta->prev = 0;
1087	}	1265	}
1088		1266
1089	static int	1267	static int
1090	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1268	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1091	{	1269	{
…		…
1094	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 */
1095	}	1273	}
1096		1274
1097	/* 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 */
1098	static void NOINLINE	1276	static void NOINLINE
1099	cctx_prepare (pTHX_ coro_cctx *cctx)	1277	cctx_prepare (pTHX)
1100	{	1278	{
1101	PL_top_env = &PL_start_env;	1279	PL_top_env = &PL_start_env;
1102		1280
1103	if (cctx->flags & CC_TRACE)	1281	if (cctx_current->flags & CC_TRACE)
1104	PL_runops = runops_trace;	1282	PL_runops = runops_trace;
1105		1283
1106	/* 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
1107	* that can lead to creation of a new cctx */	1285	* that can lead to creation of a new cctx */
1108	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)",
1109	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1287	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1110		1288
1111	/* 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 */
1112	cctx_ssl_cctx = cctx;
1113	cctx_ssl_frame = slf_frame;	1290	cctx_ssl_frame = slf_frame;
1114		1291
1115	slf_frame.prepare = slf_prepare_set_stacklevel;	1292	slf_frame.prepare = slf_prepare_set_stacklevel;
1116	slf_frame.check = slf_check_set_stacklevel;	1293	slf_frame.check = slf_check_set_stacklevel;
1117	}	1294	}
…		…
1140	/* normally we would need to skip the entersub here */	1317	/* normally we would need to skip the entersub here */
1141	/* 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 */
1142	/* PL_nop = PL_nop->op_next */	1319	/* PL_nop = PL_nop->op_next */
1143		1320
1144	/* inject a fake subroutine call to cctx_init */	1321	/* inject a fake subroutine call to cctx_init */
1145	cctx_prepare (aTHX_ (coro_cctx *)arg);	1322	cctx_prepare (aTHX);
1146		1323
1147	/* cctx_run is the alternative tail of transfer() */	1324	/* cctx_run is the alternative tail of transfer() */
1148	transfer_tail (aTHX);	1325	transfer_tail (aTHX);
1149		1326
1150	/* 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 */
…		…
1158	/*	1335	/*
1159	* 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
1160	* 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)
1161	* 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
1162	* bootstrap-time "top" top_env, as we cannot restore the "main"	1339	* bootstrap-time "top" top_env, as we cannot restore the "main"
1163	* 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.
1164	*/	1343	*/
1165	PL_top_env = main_top_env;	1344	PL_top_env = main_top_env;
1166	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 */
1167	}	1346	}
1168	}	1347	}
…		…
1245	cctx_destroy (coro_cctx *cctx)	1424	cctx_destroy (coro_cctx *cctx)
1246	{	1425	{
1247	if (!cctx)	1426	if (!cctx)
1248	return;	1427	return;
1249		1428
		1429	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1430
1250	--cctx_count;	1431	--cctx_count;
1251	coro_destroy (&cctx->cctx);	1432	coro_destroy (&cctx->cctx);
1252		1433
1253	/* coro_transfer creates new, empty cctx's */	1434	/* coro_transfer creates new, empty cctx's */
1254	if (cctx->sptr)	1435	if (cctx->sptr)
…		…
1317	/* TODO: throwing up here is considered harmful */	1498	/* TODO: throwing up here is considered harmful */
1318		1499
1319	if (expect_true (prev != next))	1500	if (expect_true (prev != next))
1320	{	1501	{
1321	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1502	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1322	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,");
1323		1504
1324	if (expect_false (next->flags & CF_RUNNING))
1325	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1326
1327	if (expect_false (next->flags & CF_DESTROYED))	1505	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1328	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,");
1329		1507
1330	#if !PERL_VERSION_ATLEAST (5,10,0)	1508	#if !PERL_VERSION_ATLEAST (5,10,0)
1331	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1509	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1332	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,");
1333	#endif	1511	#endif
…		…
1339	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1517	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1340	{	1518	{
1341	dSTACKLEVEL;	1519	dSTACKLEVEL;
1342		1520
1343	/* sometimes transfer is only called to set idle_sp */	1521	/* sometimes transfer is only called to set idle_sp */
1344	if (expect_false (!next))	1522	if (expect_false (!prev))
1345	{	1523	{
1346	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1524	cctx_current->idle_sp = STACKLEVEL;
1347	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 */
1348	}	1526	}
1349	else if (expect_true (prev != next))	1527	else if (expect_true (prev != next))
1350	{	1528	{
1351	coro_cctx *prev__cctx;	1529	coro_cctx *cctx_prev;
1352		1530
1353	if (expect_false (prev->flags & CF_NEW))	1531	if (expect_false (prev->flags & CF_NEW))
1354	{	1532	{
1355	/* create a new empty/source context */	1533	/* create a new empty/source context */
1356	prev->cctx = cctx_new_empty ();
1357	prev->flags &= ~CF_NEW;	1534	prev->flags &= ~CF_NEW;
1358	prev->flags \|= CF_RUNNING;	1535	prev->flags \|= CF_RUNNING;
1359	}	1536	}
1360		1537
1361	prev->flags &= ~CF_RUNNING;	1538	prev->flags &= ~CF_RUNNING;
…		…
1372	coro_setup (aTHX_ next);	1549	coro_setup (aTHX_ next);
1373	}	1550	}
1374	else	1551	else
1375	load_perl (aTHX_ next);	1552	load_perl (aTHX_ next);
1376		1553
1377	prev__cctx = prev->cctx;
1378
1379	/* possibly untie and reuse the cctx */	1554	/* possibly untie and reuse the cctx */
1380	if (expect_true (	1555	if (expect_true (
1381	prev__cctx->idle_sp == STACKLEVEL	1556	cctx_current->idle_sp == STACKLEVEL
1382	&& !(prev__cctx->flags & CC_TRACE)	1557	&& !(cctx_current->flags & CC_TRACE)
1383	&& !force_cctx	1558	&& !force_cctx
1384	))	1559	))
1385	{	1560	{
1386	/* 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 */
1387	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));
1388		1563
1389	prev->cctx = 0;
1390
1391	/* 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. */
1392	/* 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 */
1393	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1566	if (expect_false (CCTX_EXPIRED (cctx_current)))
1394	if (!next->cctx)	1567	if (expect_true (!next->cctx))
1395	next->cctx = cctx_get (aTHX);	1568	next->cctx = cctx_get (aTHX);
1396		1569
1397	cctx_put (prev__cctx);	1570	cctx_put (cctx_current);
1398	}	1571	}
		1572	else
		1573	prev->cctx = cctx_current;
1399		1574
1400	++next->usecount;	1575	++next->usecount;
1401		1576
1402	if (expect_true (!next->cctx))	1577	cctx_prev = cctx_current;
1403	next->cctx = cctx_get (aTHX);	1578	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1404		1579
1405	if (expect_false (prev__cctx != next->cctx))	1580	next->cctx = 0;
		1581
		1582	if (expect_false (cctx_prev != cctx_current))
1406	{	1583	{
1407	prev__cctx->top_env = PL_top_env;	1584	cctx_prev->top_env = PL_top_env;
1408	PL_top_env = next->cctx->top_env;	1585	PL_top_env = cctx_current->top_env;
1409	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1586	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1410	}	1587	}
1411		1588
1412	transfer_tail (aTHX);	1589	transfer_tail (aTHX);
1413	}	1590	}
1414	}	1591	}
…		…
1422	coro_state_destroy (pTHX_ struct coro *coro)	1599	coro_state_destroy (pTHX_ struct coro *coro)
1423	{	1600	{
1424	if (coro->flags & CF_DESTROYED)	1601	if (coro->flags & CF_DESTROYED)
1425	return 0;	1602	return 0;
1426		1603
1427	if (coro->on_destroy)	1604	if (coro->on_destroy && !PL_dirty)
1428	coro->on_destroy (aTHX_ coro);	1605	coro->on_destroy (aTHX_ coro);
1429		1606
1430	coro->flags \|= CF_DESTROYED;	1607	coro->flags \|= CF_DESTROYED;
1431		1608
1432	if (coro->flags & CF_READY)	1609	if (coro->flags & CF_READY)
…		…
1436	--coro_nready;	1613	--coro_nready;
1437	}	1614	}
1438	else	1615	else
1439	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 */
1440		1617
1441	if (coro->mainstack && coro->mainstack != main_mainstack)	1618	if (coro->mainstack
1442	{	1619	&& coro->mainstack != main_mainstack
1443	struct coro temp;	1620	&& coro->slot
1444		1621	&& !PL_dirty)
1445	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1446
1447	save_perl (aTHX_ &temp);
1448	load_perl (aTHX_ coro);
1449
1450	coro_destruct (aTHX_ coro);	1622	coro_destruct_perl (aTHX_ coro);
1451
1452	load_perl (aTHX_ &temp);
1453
1454	coro->slot = 0;
1455	}
1456		1623
1457	cctx_destroy (coro->cctx);	1624	cctx_destroy (coro->cctx);
1458	SvREFCNT_dec (coro->startcv);	1625	SvREFCNT_dec (coro->startcv);
1459	SvREFCNT_dec (coro->args);	1626	SvREFCNT_dec (coro->args);
1460	SvREFCNT_dec (CORO_THROW);	1627	SvREFCNT_dec (CORO_THROW);
…		…
1547	/ Coro ******************************************************************/	1714	/ Coro ******************************************************************/
1548		1715
1549	INLINE void	1716	INLINE void
1550	coro_enq (pTHX_ struct coro *coro)	1717	coro_enq (pTHX_ struct coro *coro)
1551	{	1718	{
1552	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1719	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1553	}
1554		1720
1555	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 *
1556	coro_deq (pTHX)	1729	coro_deq (pTHX)
1557	{	1730	{
1558	int prio;	1731	int prio;
1559		1732
1560	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1733	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1561	if (AvFILLp (coro_ready [prio]) >= 0)	1734	{
1562	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	}
1563		1744
1564	return 0;	1745	return 0;
1565	}	1746	}
1566		1747
1567	static int	1748	static int
…		…
1569	{	1750	{
1570	struct coro *coro;	1751	struct coro *coro;
1571	SV *sv_hook;	1752	SV *sv_hook;
1572	void (*xs_hook)(void);	1753	void (*xs_hook)(void);
1573		1754
1574	if (SvROK (coro_sv))
1575	coro_sv = SvRV (coro_sv);
1576
1577	coro = SvSTATE (coro_sv);	1755	coro = SvSTATE (coro_sv);
1578		1756
1579	if (coro->flags & CF_READY)	1757	if (coro->flags & CF_READY)
1580	return 0;	1758	return 0;
1581		1759
…		…
1614	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1792	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1615	}	1793	}
1616		1794
1617	/* expects to own a reference to next->hv */	1795	/* expects to own a reference to next->hv */
1618	INLINE void	1796	INLINE void
1619	prepare_cede_to (pTHX_ struct coro_transfer_args ta, struct coro next)	1797	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1620	{	1798	{
1621	SV *prev_sv = SvRV (coro_current);	1799	SV *prev_sv = SvRV (coro_current);
1622		1800
1623	ta->prev = SvSTATE_hv (prev_sv);	1801	ta->prev = SvSTATE_hv (prev_sv);
1624	ta->next = next;	1802	ta->next = next;
1625		1803
1626	TRANSFER_CHECK (*ta);	1804	TRANSFER_CHECK (*ta);
1627		1805
1628	SvRV_set (coro_current, next->hv);	1806	SvRV_set (coro_current, (SV *)next->hv);
1629		1807
1630	free_coro_mortal (aTHX);	1808	free_coro_mortal (aTHX);
1631	coro_mortal = prev_sv;	1809	coro_mortal = prev_sv;
1632	}	1810	}
1633		1811
1634	static void	1812	static void
1635	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1813	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1636	{	1814	{
1637	for (;;)	1815	for (;;)
1638	{	1816	{
1639	SV *next_sv = coro_deq (aTHX);	1817	struct coro *next = coro_deq (aTHX);
1640		1818
1641	if (expect_false (!next_sv))	1819	if (expect_true (next))
1642	{	1820	{
1643	/* nothing to schedule: call the idle handler */
1644	dSP;
1645
1646	ENTER;
1647	SAVETMPS;
1648
1649	PUSHMARK (SP);
1650	PUTBACK;
1651	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1652
1653	FREETMPS;
1654	LEAVE;
1655	}
1656	else
1657	{
1658	struct coro *next = SvSTATE_hv (next_sv);
1659
1660	/* cannot transfer to destroyed coros, skip and look for next */	1821	/* cannot transfer to destroyed coros, skip and look for next */
1661	if (expect_false (next->flags & CF_DESTROYED))	1822	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1662	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1823	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1663	else	1824	else
1664	{	1825	{
1665	next->flags &= ~CF_READY;	1826	next->flags &= ~CF_READY;
1666	--coro_nready;	1827	--coro_nready;
1667		1828
1668	return prepare_cede_to (aTHX_ ta, next);	1829	prepare_schedule_to (aTHX_ ta, next);
		1830	break;
1669	}	1831	}
1670	}	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	}
1671	}	1858	}
1672	}	1859	}
1673		1860
1674	INLINE void	1861	INLINE void
1675	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1862	prepare_cede (pTHX_ struct coro_transfer_args *ta)
…		…
1697	{	1884	{
1698	struct coro_transfer_args ta;	1885	struct coro_transfer_args ta;
1699		1886
1700	prepare_schedule (aTHX_ &ta);	1887	prepare_schedule (aTHX_ &ta);
1701	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);
1702	}	1899	}
1703		1900
1704	static int	1901	static int
1705	api_cede (pTHX)	1902	api_cede (pTHX)
1706	{	1903	{
…		…
1735	static void	1932	static void
1736	api_trace (pTHX_ SV *coro_sv, int flags)	1933	api_trace (pTHX_ SV *coro_sv, int flags)
1737	{	1934	{
1738	struct coro *coro = SvSTATE (coro_sv);	1935	struct coro *coro = SvSTATE (coro_sv);
1739		1936
		1937	if (coro->flags & CF_RUNNING)
		1938	croak ("cannot enable tracing on a running coroutine, caught");
		1939
1740	if (flags & CC_TRACE)	1940	if (flags & CC_TRACE)
1741	{	1941	{
1742	if (!coro->cctx)	1942	if (!coro->cctx)
1743	coro->cctx = cctx_new_run ();	1943	coro->cctx = cctx_new_run ();
1744	else if (!(coro->cctx->flags & CC_TRACE))	1944	else if (!(coro->cctx->flags & CC_TRACE))
1745	croak ("cannot enable tracing on coroutine with custom stack,");	1945	croak ("cannot enable tracing on coroutine with custom stack, caught");
1746		1946
1747	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1947	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1748	}	1948	}
1749	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1949	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1750	{	1950	{
…		…
1753	if (coro->flags & CF_RUNNING)	1953	if (coro->flags & CF_RUNNING)
1754	PL_runops = RUNOPS_DEFAULT;	1954	PL_runops = RUNOPS_DEFAULT;
1755	else	1955	else
1756	coro->slot->runops = RUNOPS_DEFAULT;	1956	coro->slot->runops = RUNOPS_DEFAULT;
1757	}	1957	}
		1958	}
		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);/
1758	}	2015	}
1759		2016
1760	/*****************************************************************************/	2017	/*****************************************************************************/
1761	/* async pool handler */	2018	/* async pool handler */
1762		2019
…		…
1845	SV data = (SV )GENSUB_ARG;	2102	SV data = (SV )GENSUB_ARG;
1846		2103
1847	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2104	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1848	{	2105	{
1849	/* first call, set args */	2106	/* first call, set args */
		2107	SV *coro = SvRV (data);
1850	AV *av = newAV ();	2108	AV *av = newAV ();
1851	SV *coro = SvRV (data);
1852		2109
1853	SvRV_set (data, (SV *)av);	2110	SvRV_set (data, (SV *)av);
1854	api_ready (aTHX_ coro);
1855	SvREFCNT_dec (coro);
1856		2111
1857	/* better take a full copy of the arguments */	2112	/* better take a full copy of the arguments */
1858	while (items--)	2113	while (items--)
1859	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);
1860	}	2118	}
1861		2119
1862	XSRETURN_EMPTY;	2120	XSRETURN_EMPTY;
1863	}	2121	}
1864		2122
…		…
1881		2139
1882	EXTEND (SP, AvFILLp (av) + 1);	2140	EXTEND (SP, AvFILLp (av) + 1);
1883	for (i = 0; i <= AvFILLp (av); ++i)	2141	for (i = 0; i <= AvFILLp (av); ++i)
1884	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2142	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1885		2143
1886	/* 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 */
1887	AvFILLp (av) = -1;	2145	AvFILLp (av) = -1;
1888	av_undef (av);	2146	av_undef (av);
1889		2147
1890	PUTBACK;	2148	PUTBACK;
1891	}	2149	}
…		…
1995	static void	2253	static void
1996	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)
1997	{	2255	{
1998	frame->prepare = prepare_schedule;	2256	frame->prepare = prepare_schedule;
1999	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);
2000	}	2286	}
2001		2287
2002	static void	2288	static void
2003	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)
2004	{	2290	{
…		…
2150	}	2436	}
2151	else	2437	else
2152	slf_argc = 0;	2438	slf_argc = 0;
2153		2439
2154	PL_op->op_ppaddr = pp_slf;	2440	PL_op->op_ppaddr = pp_slf;
2155	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 */
2156		2442
2157	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));
2158	}	2491	}
2159		2492
2160	/*****************************************************************************/	2493	/*****************************************************************************/
2161	/* PerlIO::cede */	2494	/* PerlIO::cede */
2162		2495
…		…
2236	/* Coro::Semaphore & Coro::Signal */	2569	/* Coro::Semaphore & Coro::Signal */
2237		2570
2238	static SV *	2571	static SV *
2239	coro_waitarray_new (pTHX_ int count)	2572	coro_waitarray_new (pTHX_ int count)
2240	{	2573	{
2241	/* 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 */
2242	AV *av = newAV ();	2575	AV *av = newAV ();
2243	SV **ary;	2576	SV **ary;
2244		2577
2245	/* unfortunately, building manually saves memory */	2578	/* unfortunately, building manually saves memory */
2246	Newx (ary, 2, SV *);	2579	Newx (ary, 2, SV *);
2247	AvALLOC (av) = ary;	2580	AvALLOC (av) = ary;
		2581	#if PERL_VERSION_ATLEAST (5,10,0)
2248	/AvARRAY (av) = ary;/	2582	AvARRAY (av) = ary;
		2583	#else
2249	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
2250	AvMAX (av) = 1;	2588	AvMAX (av) = 1;
2251	AvFILLp (av) = 0;	2589	AvFILLp (av) = 0;
2252	ary [0] = newSViv (count);	2590	ary [0] = newSViv (count);
2253		2591
2254	return newRV_noinc ((SV *)av);	2592	return newRV_noinc ((SV *)av);
…		…
2385	{	2723	{
2386	/* callback form */	2724	/* callback form */
2387	AV av = (AV )SvRV (arg [0]);	2725	AV av = (AV )SvRV (arg [0]);
2388	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2726	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2389		2727
2390	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2728	av_push (av, SvREFCNT_inc_NN (cb_cv));
2391		2729
2392	if (SvIVX (AvARRAY (av)[0]) > 0)	2730	if (SvIVX (AvARRAY (av)[0]) > 0)
2393	coro_semaphore_adjust (aTHX_ av, 0);	2731	coro_semaphore_adjust (aTHX_ av, 0);
2394		2732
2395	frame->prepare = prepare_nop;	2733	frame->prepare = prepare_nop;
…		…
2419	AvARRAY (av)[0] = AvARRAY (av)[1];	2757	AvARRAY (av)[0] = AvARRAY (av)[1];
2420	AvARRAY (av)[1] = cb;	2758	AvARRAY (av)[1] = cb;
2421		2759
2422	cb = av_shift (av);	2760	cb = av_shift (av);
2423		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	{
2424	api_ready (aTHX_ cb);	2772	api_ready (aTHX_ cb);
2425	sv_setiv (cb, 0); /* signal waiter */	2773	sv_setiv (cb, 0); /* signal waiter */
		2774	}
		2775
2426	SvREFCNT_dec (cb);	2776	SvREFCNT_dec (cb);
2427		2777
2428	--count;	2778	--count;
2429	}	2779	}
2430	}	2780	}
…		…
2439	static void	2789	static void
2440	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)
2441	{	2791	{
2442	AV av = (AV )SvRV (arg [0]);	2792	AV av = (AV )SvRV (arg [0]);
2443		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
2444	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]))
2445	{	2806	{
2446	SvIVX (AvARRAY (av)[0]) = 0;	2807	SvIVX (AvARRAY (av)[0]) = 0;
2447	frame->prepare = prepare_nop;	2808	frame->prepare = prepare_nop;
2448	frame->check = slf_check_nop;	2809	frame->check = slf_check_nop;
2449	}	2810	}
2450	else	2811	else
2451	{	2812	{
2452	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2813	SV waiter = newSVsv (coro_current); / owned by signal av */
2453		2814
2454	av_push (av, waiter);	2815	av_push (av, waiter);
2455		2816
2456	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 */
2457	frame->prepare = prepare_schedule;	2818	frame->prepare = prepare_schedule;
…		…
2624	XSRETURN_EMPTY;	2985	XSRETURN_EMPTY;
2625	}	2986	}
2626		2987
2627	/*****************************************************************************/	2988	/*****************************************************************************/
2628		2989
		2990	#if CORO_CLONE
		2991	# include "clone.c"
		2992	#endif
		2993
2629	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2994	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2630		2995
2631	PROTOTYPES: DISABLE	2996	PROTOTYPES: DISABLE
2632		2997
2633	BOOT:	2998	BOOT:
…		…
2637	coro_thx = PERL_GET_CONTEXT;	3002	coro_thx = PERL_GET_CONTEXT;
2638	# endif	3003	# endif
2639	#endif	3004	#endif
2640	BOOT_PAGESIZE;	3005	BOOT_PAGESIZE;
2641		3006
		3007	cctx_current = cctx_new_empty ();
		3008
2642	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	3009	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2643	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	3010	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2644		3011
2645	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;
2646	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;
…		…
2665		3032
2666	{	3033	{
2667	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	3034	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2668		3035
2669	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	3036	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2670	hv_store_ent (PL_custom_op_names, slf,	3037	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2671	newSVpv ("coro_slf", 0), 0);
2672		3038
2673	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	3039	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2674	hv_store_ent (PL_custom_op_descs, slf,	3040	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2675	newSVpv ("coro schedule like function", 0), 0);
2676	}	3041	}
2677		3042
2678	coroapi.ver = CORO_API_VERSION;	3043	coroapi.ver = CORO_API_VERSION;
2679	coroapi.rev = CORO_API_REVISION;	3044	coroapi.rev = CORO_API_REVISION;
2680		3045
…		…
2692		3057
2693	if (!svp) croak ("Time::HiRes is required");	3058	if (!svp) croak ("Time::HiRes is required");
2694	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3059	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2695		3060
2696	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));
2697	}	3065	}
2698		3066
2699	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3067	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2700	}	3068	}
2701		3069
2702	SV *	3070	SV *
2703	new (char *klass, ...)	3071	new (char *klass, ...)
2704	ALIAS:	3072	ALIAS:
…		…
2773	void	3141	void
2774	_exit (int code)	3142	_exit (int code)
2775	PROTOTYPE: $	3143	PROTOTYPE: $
2776	CODE:	3144	CODE:
2777	_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
2778		3165
2779	int	3166	int
2780	cctx_stacksize (int new_stacksize = 0)	3167	cctx_stacksize (int new_stacksize = 0)
2781	PROTOTYPE: ;$	3168	PROTOTYPE: ;$
2782	CODE:	3169	CODE:
…		…
2832	eval = 1	3219	eval = 1
2833	CODE:	3220	CODE:
2834	{	3221	{
2835	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3222	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2836	{	3223	{
2837	struct coro temp;	3224	struct coro *current = SvSTATE_current;
2838		3225
2839	if (!(coro->flags & CF_RUNNING))	3226	if (current != coro)
2840	{	3227	{
2841	PUTBACK;	3228	PUTBACK;
2842	save_perl (aTHX_ &temp);	3229	save_perl (aTHX_ current);
2843	load_perl (aTHX_ coro);	3230	load_perl (aTHX_ coro);
		3231	SPAGAIN;
2844	}	3232	}
2845		3233
2846	{
2847	dSP;
2848	ENTER;
2849	SAVETMPS;
2850	PUTBACK;
2851	PUSHSTACK;	3234	PUSHSTACK;
		3235
2852	PUSHMARK (SP);	3236	PUSHMARK (SP);
		3237	PUTBACK;
2853		3238
2854	if (ix)	3239	if (ix)
2855	eval_sv (coderef, 0);	3240	eval_sv (coderef, 0);
2856	else	3241	else
2857	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3242	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2858		3243
2859	POPSTACK;	3244	POPSTACK;
2860	SPAGAIN;	3245	SPAGAIN;
2861	FREETMPS;
2862	LEAVE;
2863	PUTBACK;
2864	}
2865		3246
2866	if (!(coro->flags & CF_RUNNING))	3247	if (current != coro)
2867	{	3248	{
		3249	PUTBACK;
2868	save_perl (aTHX_ coro);	3250	save_perl (aTHX_ coro);
2869	load_perl (aTHX_ &temp);	3251	load_perl (aTHX_ current);
2870	SPAGAIN;	3252	SPAGAIN;
2871	}	3253	}
2872	}	3254	}
2873	}	3255	}
2874		3256
…		…
2878	ALIAS:	3260	ALIAS:
2879	is_ready = CF_READY	3261	is_ready = CF_READY
2880	is_running = CF_RUNNING	3262	is_running = CF_RUNNING
2881	is_new = CF_NEW	3263	is_new = CF_NEW
2882	is_destroyed = CF_DESTROYED	3264	is_destroyed = CF_DESTROYED
		3265	is_suspended = CF_SUSPENDED
2883	CODE:	3266	CODE:
2884	RETVAL = boolSV (coro->flags & ix);	3267	RETVAL = boolSV (coro->flags & ix);
2885	OUTPUT:	3268	OUTPUT:
2886	RETVAL	3269	RETVAL
2887		3270
…		…
2891	CODE:	3274	CODE:
2892	{	3275	{
2893	struct coro *current = SvSTATE_current;	3276	struct coro *current = SvSTATE_current;
2894	SV **throwp = self == current ? &CORO_THROW : &self->except;	3277	SV **throwp = self == current ? &CORO_THROW : &self->except;
2895	SvREFCNT_dec (*throwp);	3278	SvREFCNT_dec (*throwp);
		3279	SvGETMAGIC (throw);
2896	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3280	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
2897	}	3281	}
2898		3282
2899	void	3283	void
2900	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3284	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
2903		3287
2904	SV *	3288	SV *
2905	has_cctx (Coro::State coro)	3289	has_cctx (Coro::State coro)
2906	PROTOTYPE: $	3290	PROTOTYPE: $
2907	CODE:	3291	CODE:
2908	RETVAL = boolSV (!!coro->cctx);	3292	/* maybe manage the running flag differently */
		3293	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2909	OUTPUT:	3294	OUTPUT:
2910	RETVAL	3295	RETVAL
2911		3296
2912	int	3297	int
2913	is_traced (Coro::State coro)	3298	is_traced (Coro::State coro)
…		…
2933		3318
2934	void	3319	void
2935	force_cctx ()	3320	force_cctx ()
2936	PROTOTYPE:	3321	PROTOTYPE:
2937	CODE:	3322	CODE:
2938	SvSTATE_current->cctx->idle_sp = 0;	3323	cctx_current->idle_sp = 0;
2939		3324
2940	void	3325	void
2941	swap_defsv (Coro::State self)	3326	swap_defsv (Coro::State self)
2942	PROTOTYPE: $	3327	PROTOTYPE: $
2943	ALIAS:	3328	ALIAS:
…		…
2951	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3336	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2952		3337
2953	SV tmp = src; src = dst; *dst = tmp;	3338	SV tmp = src; src = dst; *dst = tmp;
2954	}	3339	}
2955		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	}
2956		3384
2957	MODULE = Coro::State PACKAGE = Coro	3385	MODULE = Coro::State PACKAGE = Coro
2958		3386
2959	BOOT:	3387	BOOT:
2960	{	3388	{
2961	int i;
2962
2963	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2964	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3389	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2965	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3390	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2966	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3391	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2967	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3392	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2968	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3393	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); 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);
2969		3398
2970	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3399	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2971	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3400	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2972	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3401	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2973	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3402	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2974		3403
2975	coro_stash = gv_stashpv ("Coro", TRUE);	3404	coro_stash = gv_stashpv ("Coro", TRUE);
2976		3405
2977	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3406	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
2978	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3407	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
2979	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3408	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
2980	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3409	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
2981	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3410	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
2982	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3411	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
2983
2984	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
2985	coro_ready[i] = newAV ();
2986		3412
2987	{	3413	{
2988	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3414	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2989		3415
2990	coroapi.schedule = api_schedule;	3416	coroapi.schedule = api_schedule;
		3417	coroapi.schedule_to = api_schedule_to;
2991	coroapi.cede = api_cede;	3418	coroapi.cede = api_cede;
2992	coroapi.cede_notself = api_cede_notself;	3419	coroapi.cede_notself = api_cede_notself;
2993	coroapi.ready = api_ready;	3420	coroapi.ready = api_ready;
2994	coroapi.is_ready = api_is_ready;	3421	coroapi.is_ready = api_is_ready;
2995	coroapi.nready = coro_nready;	3422	coroapi.nready = coro_nready;
…		…
3000	SvREADONLY_on (sv);	3427	SvREADONLY_on (sv);
3001	}	3428	}
3002	}	3429	}
3003		3430
3004	void	3431	void
		3432	terminate (...)
		3433	CODE:
		3434	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3435
		3436	void
3005	schedule (...)	3437	schedule (...)
3006	CODE:	3438	CODE:
3007	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);
3008		3450
3009	void	3451	void
3010	cede (...)	3452	cede (...)
3011	CODE:	3453	CODE:
3012	CORO_EXECUTE_SLF_XS (slf_init_cede);	3454	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
3026	void	3468	void
3027	_set_readyhook (SV *hook)	3469	_set_readyhook (SV *hook)
3028	PROTOTYPE: $	3470	PROTOTYPE: $
3029	CODE:	3471	CODE:
3030	SvREFCNT_dec (coro_readyhook);	3472	SvREFCNT_dec (coro_readyhook);
		3473	SvGETMAGIC (hook);
3031	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3474	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3032		3475
3033	int	3476	int
3034	prio (Coro::State coro, int newprio = 0)	3477	prio (Coro::State coro, int newprio = 0)
3035	PROTOTYPE: $;$	3478	PROTOTYPE: $;$
…		…
3042	if (items > 1)	3485	if (items > 1)
3043	{	3486	{
3044	if (ix)	3487	if (ix)
3045	newprio = coro->prio - newprio;	3488	newprio = coro->prio - newprio;
3046		3489
3047	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3490	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3048	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3491	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3049		3492
3050	coro->prio = newprio;	3493	coro->prio = newprio;
3051	}	3494	}
3052	}	3495	}
3053	OUTPUT:	3496	OUTPUT:
…		…
3066	PROTOTYPE:	3509	PROTOTYPE:
3067	CODE:	3510	CODE:
3068	RETVAL = coro_nready;	3511	RETVAL = coro_nready;
3069	OUTPUT:	3512	OUTPUT:
3070	RETVAL	3513	RETVAL
		3514
		3515	void
		3516	suspend (Coro::State self)
		3517	PROTOTYPE: $
		3518	CODE:
		3519	self->flags \|= CF_SUSPENDED;
		3520
		3521	void
		3522	resume (Coro::State self)
		3523	PROTOTYPE: $
		3524	CODE:
		3525	self->flags &= ~CF_SUSPENDED;
3071		3526
3072	void	3527	void
3073	_pool_handler (...)	3528	_pool_handler (...)
3074	CODE:	3529	CODE:
3075	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3530	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3130	rouse_wait (...)	3585	rouse_wait (...)
3131	PROTOTYPE: ;$	3586	PROTOTYPE: ;$
3132	PPCODE:	3587	PPCODE:
3133	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3588	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3134		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
3135		3615
3136	MODULE = Coro::State PACKAGE = PerlIO::cede	3616	MODULE = Coro::State PACKAGE = PerlIO::cede
3137		3617
3138	BOOT:	3618	BOOT:
3139	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3619	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3142	MODULE = Coro::State PACKAGE = Coro::Semaphore	3622	MODULE = Coro::State PACKAGE = Coro::Semaphore
3143		3623
3144	SV *	3624	SV *
3145	new (SV klass, SV count = 0)	3625	new (SV klass, SV count = 0)
3146	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
3147	RETVAL = sv_bless (	3638	RETVAL = sv_bless (
3148	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3639	coro_waitarray_new (aTHX_ semcnt),
3149	GvSTASH (CvGV (cv))	3640	GvSTASH (CvGV (cv))
3150	);	3641	);
		3642	}
3151	OUTPUT:	3643	OUTPUT:
3152	RETVAL	3644	RETVAL
3153		3645
3154	# helper for Coro::Channel	3646	# helper for Coro::Channel and others
3155	SV *	3647	SV *
3156	_alloc (int count)	3648	_alloc (int count)
3157	CODE:	3649	CODE:
3158	RETVAL = coro_waitarray_new (aTHX_ count);	3650	RETVAL = coro_waitarray_new (aTHX_ count);
3159	OUTPUT:	3651	OUTPUT:
…		…
3217	for (i = 1; i <= wcount; ++i)	3709	for (i = 1; i <= wcount; ++i)
3218	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3710	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3219	}	3711	}
3220	}	3712	}
3221		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
3222	MODULE = Coro::State PACKAGE = Coro::Signal	3730	MODULE = Coro::State PACKAGE = Coro::Signal
3223		3731
3224	SV *	3732	SV *
3225	new (SV *klass)	3733	new (SV *klass)
3226	CODE:	3734	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs. Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC