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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.169 by root, Thu Sep 27 16:25:10 2007 UTC vs.
Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
2		2
3	#define PERL_NO_GET_CONTEXT	3	#define PERL_NO_GET_CONTEXT
		4	#define PERL_EXT
4		5
5	#include "EXTERN.h"	6	#include "EXTERN.h"
6	#include "perl.h"	7	#include "perl.h"
7	#include "XSUB.h"	8	#include "XSUB.h"
8		9
75	/* 5.8.7 */	76	/* 5.8.7 */
76	#ifndef SvRV_set	77	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	78	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	79	#endif
79		80
		81	/* 5.8.8 */
		82	#ifndef GV_NOTQUAL
		83	# define GV_NOTQUAL 0
		84	#endif
		85	#ifndef newSV
		86	# define newSV(l) NEWSV(0,l)
		87	#endif
		88
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	90	# undef CORO_STACKGUARD
82	#endif	91	#endif
83		92
84	#ifndef CORO_STACKGUARD	93	#ifndef CORO_STACKGUARD
…		…
98	#define IN_DESTRUCT (PL_main_cv == Nullcv)	107	#define IN_DESTRUCT (PL_main_cv == Nullcv)
99		108
100	#if __GNUC__ >= 3	109	#if __GNUC__ >= 3
101	# define attribute(x) __attribute__(x)	110	# define attribute(x) __attribute__(x)
102	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	111	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		112	# define expect(expr,value) __builtin_expect ((expr),(value))
103	#else	113	#else
104	# define attribute(x)	114	# define attribute(x)
105	# define BARRIER	115	# define BARRIER
		116	# define expect(expr,value) (expr)
106	#endif	117	#endif
		118
		119	#define expect_false(expr) expect ((expr) != 0, 0)
		120	#define expect_true(expr) expect ((expr) != 0, 1)
107		121
108	#define NOINLINE attribute ((noinline))	122	#define NOINLINE attribute ((noinline))
109		123
110	#include "CoroAPI.h"	124	#include "CoroAPI.h"
111		125
…		…
116	#else	130	#else
117	# define LOCK (void)0	131	# define LOCK (void)0
118	# define UNLOCK (void)0	132	# define UNLOCK (void)0
119	#endif	133	#endif
120		134
		135	#define strpair(const) const, sizeof (const) - 1
		136
121	/* helper storage struct for Coro::AIO */	137	/* helper storage struct for Coro::AIO */
122	struct io_state	138	struct io_state
123	{	139	{
124	int errorno;	140	int errorno;
125	I32 laststype;	141	I32 laststype;
…		…
131	static struct CoroAPI coroapi;	147	static struct CoroAPI coroapi;
132	static AV main_mainstack; / used to differentiate between $main and others */	148	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	149	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	150	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	151	static SV coro_mortal; / will be freed after next transfer */
		152
		153	static GV irsgv; / $/ */
		154	static GV stdoutgv; / STDOUT /
		155
		156	static HV hv_sig; / %SIG */
		157	static SV *sv_diehook;
		158	static SV *sv_warnhook;
136		159
137	/* async_pool helper stuff */	160	/* async_pool helper stuff */
138	static SV *sv_pool_rss;	161	static SV *sv_pool_rss;
139	static SV *sv_pool_size;	162	static SV *sv_pool_size;
140	static AV *av_async_pool;	163	static AV *av_async_pool;
…		…
176	CF_READY = 0x0002, /* coroutine is ready */	199	CF_READY = 0x0002, /* coroutine is ready */
177	CF_NEW = 0x0004, /* has never been switched to */	200	CF_NEW = 0x0004, /* has never been switched to */
178	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	201	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
179	};	202	};
180		203
		204	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		205	typedef struct {
		206	SV *defsv;
		207	AV *defav;
		208	SV *errsv;
		209	SV *irsgv;
		210	#define VAR(name,type) type name;
		211	# include "state.h"
		212	#undef VAR
		213	} perl_slots;
		214
		215	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		216
181	/* this is a structure representing a perl-level coroutine */	217	/* this is a structure representing a perl-level coroutine */
182	struct coro {	218	struct coro {
183	/* the c coroutine allocated to this perl coroutine, if any */	219	/* the c coroutine allocated to this perl coroutine, if any */
184	coro_cctx *cctx;	220	coro_cctx *cctx;
185		221
		222	/* process data */
		223	AV *mainstack;
		224	perl_slots slot; / basically the saved sp */
		225
186	/* data associated with this coroutine (initial args) */	226	AV args; / data associated with this coroutine (initial args) */
187	AV *args;	227	int refcnt; /* coroutines are refcounted, yes */
188	int refcnt;
189	int save; /* CORO_SAVE flags */
190	int flags; /* CF_ flags */	228	int flags; /* CF_ flags */
		229	HV hv; / the perl hash associated with this coro, if any */
191		230
192	/* optionally saved, might be zero */	231	/* statistics */
193	AV defav; / @_ */	232	int usecount; /* number of transfers to this coro */
194	SV defsv; / $_ */
195	SV errsv; / $@ */
196	GV deffh; / default filehandle */
197	SV irssv; / $/ */
198	SV irssv_sv; / real $/ cache */
199
200	#define VAR(name,type) type name;
201	# include "state.h"
202	#undef VAR
203		233
204	/* coro process data */	234	/* coro process data */
205	int prio;	235	int prio;
		236	SV throw; / exception to be thrown */
		237
		238	/* async_pool */
		239	SV *saved_deffh;
206		240
207	/* linked list */	241	/* linked list */
208	struct coro next, prev;	242	struct coro next, prev;
209	HV hv; / the perl hash associated with this coro, if any */
210	};	243	};
211		244
212	typedef struct coro *Coro__State;	245	typedef struct coro *Coro__State;
213	typedef struct coro *Coro__State_or_hashref;	246	typedef struct coro *Coro__State_or_hashref;
214		247
…		…
226	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
227	static int coro_nready;	260	static int coro_nready;
228	static struct coro *coro_first;	261	static struct coro *coro_first;
229		262
230	/ lowlevel stuff ********************************************************/	263	/ lowlevel stuff ********************************************************/
		264
		265	static SV *
		266	coro_get_sv (const char *name, int create)
		267	{
		268	#if PERL_VERSION_ATLEAST (5,9,0)
		269	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		270	get_sv (name, create);
		271	#endif
		272	return get_sv (name, create);
		273	}
		274
		275	static AV *
		276	coro_get_av (const char *name, int create)
		277	{
		278	#if PERL_VERSION_ATLEAST (5,9,0)
		279	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		280	get_av (name, create);
		281	#endif
		282	return get_av (name, create);
		283	}
		284
		285	static HV *
		286	coro_get_hv (const char *name, int create)
		287	{
		288	#if PERL_VERSION_ATLEAST (5,9,0)
		289	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		290	get_hv (name, create);
		291	#endif
		292	return get_hv (name, create);
		293	}
231		294
232	static AV *	295	static AV *
233	coro_clone_padlist (pTHX_ CV *cv)	296	coro_clone_padlist (pTHX_ CV *cv)
234	{	297	{
235	AV *padlist = CvPADLIST (cv);	298	AV *padlist = CvPADLIST (cv);
…		…
308	MAGIC *mg;	371	MAGIC *mg;
309		372
310	if (SvROK (coro))	373	if (SvROK (coro))
311	coro = SvRV (coro);	374	coro = SvRV (coro);
312		375
		376	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		377	croak ("Coro::State object required");
		378
313	stash = SvSTASH (coro);	379	stash = SvSTASH (coro);
314	if (stash != coro_stash && stash != coro_state_stash)	380	if (expect_false (stash != coro_stash && stash != coro_state_stash))
315	{	381	{
316	/* very slow, but rare, check */	382	/* very slow, but rare, check */
317	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
318	croak ("Coro::State object required");	384	croak ("Coro::State object required");
319	}	385	}
…		…
329	get_padlist (pTHX_ CV *cv)	395	get_padlist (pTHX_ CV *cv)
330	{	396	{
331	MAGIC *mg = CORO_MAGIC (cv);	397	MAGIC *mg = CORO_MAGIC (cv);
332	AV *av;	398	AV *av;
333		399
334	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
335	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
336	else	402	else
337	{	403	{
338	#if CORO_PREFER_PERL_FUNCTIONS	404	#if CORO_PREFER_PERL_FUNCTIONS
339	/* this is probably cleaner, but also slower? */	405	/* this is probably cleaner, but also slower? */
…		…
351	put_padlist (pTHX_ CV *cv)	417	put_padlist (pTHX_ CV *cv)
352	{	418	{
353	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC (cv);
354	AV *av;	420	AV *av;
355		421
356	if (!mg)	422	if (expect_false (!mg))
357	{	423	{
358	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
359	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
360	mg->mg_virtual = &vtbl_coro;	426	mg->mg_virtual = &vtbl_coro;
361	mg->mg_obj = (SV *)newAV ();	427	mg->mg_obj = (SV *)newAV ();
362	}	428	}
363		429
364	av = (AV *)mg->mg_obj;	430	av = (AV *)mg->mg_obj;
365		431
366	if (AvFILLp (av) >= AvMAX (av))	432	if (expect_false (AvFILLp (av) >= AvMAX (av)))
367	av_extend (av, AvMAX (av) + 1);	433	av_extend (av, AvMAX (av) + 1);
368		434
369	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	435	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
370	}	436	}
371		437
372	/ load & save, init *****************************************************/	438	/ load & save, init *****************************************************/
373		439
374	#define SB do {
375	#define SE } while (0)
376
377	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
378
379	static void	440	static void
380	load_perl (pTHX_ Coro__State c)	441	load_perl (pTHX_ Coro__State c)
381	{	442	{
		443	perl_slots *slot = c->slot;
		444	c->slot = 0;
		445
		446	PL_mainstack = c->mainstack;
		447
		448	GvSV (PL_defgv) = slot->defsv;
		449	GvAV (PL_defgv) = slot->defav;
		450	GvSV (PL_errgv) = slot->errsv;
		451	GvSV (irsgv) = slot->irsgv;
		452
382	#define VAR(name,type) PL_ ## name = c->name;	453	#define VAR(name,type) PL_ ## name = slot->name;
383	# include "state.h"	454	# include "state.h"
384	#undef VAR	455	#undef VAR
385		456
386	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
387	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
388	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
389	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
390
391	if (c->irssv)
392	{
393	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
394	{
395	SvREFCNT_dec (c->irssv);
396	c->irssv = 0;
397	}
398	else
399	{
400	REPLACE_SV (PL_rs, c->irssv);
401	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
402	sv_setsv (c->irssv_sv, PL_rs);
403	}
404	}
405		459
406	{	460	{
407	dSP;	461	dSP;
		462
408	CV *cv;	463	CV *cv;
409		464
410	/* now do the ugly restore mess */	465	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	466	while (expect_true (cv = (CV *)POPs))
412	{	467	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	468	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	469	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	470	CvPADLIST (cv) = (AV *)POPs;
416	}	471	}
…		…
435		490
436	XPUSHs (Nullsv);	491	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	492	/* this loop was inspired by pp_caller */
438	for (;;)	493	for (;;)
439	{	494	{
440	while (cxix >= 0)	495	while (expect_true (cxix >= 0))
441	{	496	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	497	PERL_CONTEXT *cx = &ccstk[cxix--];
443		498
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	499	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	500	{
446	CV *cv = cx->blk_sub.cv;	501	CV *cv = cx->blk_sub.cv;
447		502
448	if (CvDEPTH (cv))	503	if (expect_true (CvDEPTH (cv)))
449	{	504	{
450	EXTEND (SP, 3);	505	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	506	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	508	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	511	get_padlist (aTHX_ cv);
457	}	512	}
458	}	513	}
459	}	514	}
460		515
461	if (top_si->si_type == PERLSI_MAIN)	516	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	517	break;
463		518
464	top_si = top_si->si_prev;	519	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	520	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	521	cxix = top_si->si_cxix;
467	}	522	}
468		523
469	PUTBACK;	524	PUTBACK;
470	}	525	}
471		526
472	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	527	/* allocate some space on the context stack for our purposes */
473	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	528	/* we manually unroll here, as usually 2 slots is enough */
474	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	529	if (SLOT_COUNT >= 1) CXINC;
475	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	530	if (SLOT_COUNT >= 2) CXINC;
476	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	531	if (SLOT_COUNT >= 3) CXINC;
		532	{
		533	int i;
		534	for (i = 3; i < SLOT_COUNT; ++i)
		535	CXINC;
		536	}
		537	cxstack_ix -= SLOT_COUNT; /* undo allocation */
477		538
		539	c->mainstack = PL_mainstack;
		540
		541	{
		542	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		543
		544	slot->defav = GvAV (PL_defgv);
		545	slot->defsv = DEFSV;
		546	slot->errsv = ERRSV;
		547	slot->irsgv = GvSV (irsgv);
		548
478	#define VAR(name,type)c->name = PL_ ## name;	549	#define VAR(name,type) slot->name = PL_ ## name;
479	# include "state.h"	550	# include "state.h"
480	#undef VAR	551	#undef VAR
		552	}
481	}	553	}
482		554
483	/*	555	/*
484	* allocate various perl stacks. This is an exact copy	556	* allocate various perl stacks. This is an exact copy
485	* of perl.c:init_stacks, except that it uses less memory	557	* of perl.c:init_stacks, except that it uses less memory
…		…
490	# define coro_init_stacks init_stacks	562	# define coro_init_stacks init_stacks
491	#else	563	#else
492	static void	564	static void
493	coro_init_stacks (pTHX)	565	coro_init_stacks (pTHX)
494	{	566	{
495	PL_curstackinfo = new_stackinfo(64, 6);	567	PL_curstackinfo = new_stackinfo(32, 8);
496	PL_curstackinfo->si_type = PERLSI_MAIN;	568	PL_curstackinfo->si_type = PERLSI_MAIN;
497	PL_curstack = PL_curstackinfo->si_stack;	569	PL_curstack = PL_curstackinfo->si_stack;
498	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	570	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
499		571
500	PL_stack_base = AvARRAY(PL_curstack);	572	PL_stack_base = AvARRAY(PL_curstack);
501	PL_stack_sp = PL_stack_base;	573	PL_stack_sp = PL_stack_base;
502	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	574	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
503		575
504	New(50,PL_tmps_stack,64,SV*);	576	New(50,PL_tmps_stack,32,SV*);
505	PL_tmps_floor = -1;	577	PL_tmps_floor = -1;
506	PL_tmps_ix = -1;	578	PL_tmps_ix = -1;
507	PL_tmps_max = 64;	579	PL_tmps_max = 32;
508		580
509	New(54,PL_markstack,16,I32);	581	New(54,PL_markstack,16,I32);
510	PL_markstack_ptr = PL_markstack;	582	PL_markstack_ptr = PL_markstack;
511	PL_markstack_max = PL_markstack + 16;	583	PL_markstack_max = PL_markstack + 16;
512		584
513	#ifdef SET_MARK_OFFSET	585	#ifdef SET_MARK_OFFSET
514	SET_MARK_OFFSET;	586	SET_MARK_OFFSET;
515	#endif	587	#endif
516		588
517	New(54,PL_scopestack,16,I32);	589	New(54,PL_scopestack,8,I32);
518	PL_scopestack_ix = 0;	590	PL_scopestack_ix = 0;
519	PL_scopestack_max = 16;	591	PL_scopestack_max = 8;
520		592
521	New(54,PL_savestack,64,ANY);	593	New(54,PL_savestack,24,ANY);
522	PL_savestack_ix = 0;	594	PL_savestack_ix = 0;
523	PL_savestack_max = 64;	595	PL_savestack_max = 24;
524		596
525	#if !PERL_VERSION_ATLEAST (5,9,0)	597	#if !PERL_VERSION_ATLEAST (5,9,0)
526	New(54,PL_retstack,4,OP*);	598	New(54,PL_retstack,4,OP*);
527	PL_retstack_ix = 0;	599	PL_retstack_ix = 0;
528	PL_retstack_max = 4;	600	PL_retstack_max = 4;
…		…
534	* destroy the stacks, the callchain etc...	606	* destroy the stacks, the callchain etc...
535	*/	607	*/
536	static void	608	static void
537	coro_destroy_stacks (pTHX)	609	coro_destroy_stacks (pTHX)
538	{	610	{
539	if (!IN_DESTRUCT)
540	{
541	/* restore all saved variables and stuff */
542	LEAVE_SCOPE (0);
543	assert (PL_tmps_floor == -1);
544
545	/* free all temporaries */
546	FREETMPS;
547	assert (PL_tmps_ix == -1);
548
549	/* unwind all extra stacks */
550	POPSTACK_TO (PL_mainstack);
551
552	/* unwind main stack */
553	dounwind (-1);
554	}
555
556	while (PL_curstackinfo->si_next)	611	while (PL_curstackinfo->si_next)
557	PL_curstackinfo = PL_curstackinfo->si_next;	612	PL_curstackinfo = PL_curstackinfo->si_next;
558		613
559	while (PL_curstackinfo)	614	while (PL_curstackinfo)
560	{	615	{
…		…
576	Safefree (PL_retstack);	631	Safefree (PL_retstack);
577	#endif	632	#endif
578	}	633	}
579		634
580	static size_t	635	static size_t
581	coro_rss (struct coro *coro)	636	coro_rss (pTHX_ struct coro *coro)
582	{	637	{
583	size_t rss = sizeof (coro);	638	size_t rss = sizeof (*coro);
584		639
585	if (coro->mainstack)	640	if (coro->mainstack)
586	{	641	{
		642	perl_slots tmp_slot;
		643	perl_slots *slot;
		644
587	if (coro->flags & CF_RUNNING)	645	if (coro->flags & CF_RUNNING)
588	{	646	{
		647	slot = &tmp_slot;
		648
589	#define VAR(name,type)coro->name = PL_ ## name;	649	#define VAR(name,type) slot->name = PL_ ## name;
590	# include "state.h"	650	# include "state.h"
591	#undef VAR	651	#undef VAR
592	}	652	}
		653	else
		654	slot = coro->slot;
593		655
594	rss += sizeof (coro->curstackinfo);	656	rss += sizeof (slot->curstackinfo);
595	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
596	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
598	rss += coro->tmps_max * sizeof (SV *);	659	rss += slot->tmps_max * sizeof (SV *);
599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
600	rss += coro->scopestack_max * sizeof (I32);	661	rss += slot->scopestack_max * sizeof (I32);
601	rss += coro->savestack_max * sizeof (ANY);	662	rss += slot->savestack_max * sizeof (ANY);
602		663
603	#if !PERL_VERSION_ATLEAST (5,9,0)	664	#if !PERL_VERSION_ATLEAST (5,9,0)
604	rss += coro->retstack_max * sizeof (OP *);	665	rss += slot->retstack_max * sizeof (OP *);
605	#endif	666	#endif
606	}	667	}
607		668
608	return rss;	669	return rss;
609	}	670	}
610		671
611	/ coroutine stack handling **********************************************/	672	/ coroutine stack handling **********************************************/
612		673
613	static void	674	static void
614	setup_coro (pTHX_ struct coro *coro)	675	coro_setup (pTHX_ struct coro *coro)
615	{	676	{
616	/*	677	/*
617	* emulate part of the perl startup here.	678	* emulate part of the perl startup here.
618	*/	679	*/
619	coro_init_stacks (aTHX);	680	coro_init_stacks (aTHX);
…		…
621	PL_runops = RUNOPS_DEFAULT;	682	PL_runops = RUNOPS_DEFAULT;
622	PL_curcop = &PL_compiling;	683	PL_curcop = &PL_compiling;
623	PL_in_eval = EVAL_NULL;	684	PL_in_eval = EVAL_NULL;
624	PL_comppad = 0;	685	PL_comppad = 0;
625	PL_curpm = 0;	686	PL_curpm = 0;
		687	PL_curpad = 0;
626	PL_localizing = 0;	688	PL_localizing = 0;
627	PL_dirty = 0;	689	PL_dirty = 0;
628	PL_restartop = 0;	690	PL_restartop = 0;
		691	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		692	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
		693
		694	GvSV (PL_defgv) = newSV (0);
		695	GvAV (PL_defgv) = coro->args; coro->args = 0;
		696	GvSV (PL_errgv) = newSV (0);
		697	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		698	PL_rs = newSVsv (GvSV (irsgv));
		699	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
629		700
630	{	701	{
631	dSP;	702	dSP;
632	LOGOP myop;	703	LOGOP myop;
633		704
634	SvREFCNT_dec (GvAV (PL_defgv));
635	GvAV (PL_defgv) = coro->args; coro->args = 0;
636
637	Zero (&myop, 1, LOGOP);	705	Zero (&myop, 1, LOGOP);
638	myop.op_next = Nullop;	706	myop.op_next = Nullop;
639	myop.op_flags = OPf_WANT_VOID;	707	myop.op_flags = OPf_WANT_VOID;
640		708
641	PUSHMARK (SP);	709	PUSHMARK (SP);
642	XPUSHs (av_shift (GvAV (PL_defgv)));	710	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
643	PUTBACK;	711	PUTBACK;
644	PL_op = (OP *)&myop;	712	PL_op = (OP *)&myop;
645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
646	SPAGAIN;	714	SPAGAIN;
647	}	715	}
648		716
649	ENTER; /* necessary e.g. for dounwind */	717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
		718	}
		719
		720	static void
		721	coro_destroy (pTHX_ struct coro *coro)
		722	{
		723	if (!IN_DESTRUCT)
		724	{
		725	/* restore all saved variables and stuff */
		726	LEAVE_SCOPE (0);
		727	assert (PL_tmps_floor == -1);
		728
		729	/* free all temporaries */
		730	FREETMPS;
		731	assert (PL_tmps_ix == -1);
		732
		733	/* unwind all extra stacks */
		734	POPSTACK_TO (PL_mainstack);
		735
		736	/* unwind main stack */
		737	dounwind (-1);
		738	}
		739
		740	SvREFCNT_dec (GvSV (PL_defgv));
		741	SvREFCNT_dec (GvAV (PL_defgv));
		742	SvREFCNT_dec (GvSV (PL_errgv));
		743	SvREFCNT_dec (PL_defoutgv);
		744	SvREFCNT_dec (PL_rs);
		745	SvREFCNT_dec (GvSV (irsgv));
		746
		747	SvREFCNT_dec (PL_diehook);
		748	SvREFCNT_dec (PL_warnhook);
		749
		750	SvREFCNT_dec (coro->saved_deffh);
		751	SvREFCNT_dec (coro->throw);
		752
		753	coro_destroy_stacks (aTHX);
650	}	754	}
651		755
652	static void	756	static void
653	free_coro_mortal (pTHX)	757	free_coro_mortal (pTHX)
654	{	758	{
655	if (coro_mortal)	759	if (expect_true (coro_mortal))
656	{	760	{
657	SvREFCNT_dec (coro_mortal);	761	SvREFCNT_dec (coro_mortal);
658	coro_mortal = 0;	762	coro_mortal = 0;
659	}	763	}
660	}	764	}
…		…
669		773
670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	774	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671	{	775	{
672	PERL_ASYNC_CHECK ();	776	PERL_ASYNC_CHECK ();
673		777
674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	778	if (cctx->flags & CC_TRACE_ALL)
675	{	779	{
676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	780	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
677	SV bot, top;
678	AV av = newAV (); / return values */
679	SV **cb;
680	runops_proc_t old_runops = PL_runops;
681	dSP;
682	ENTER;
683	SAVETMPS;
684	EXTEND (SP, 3);
685	PL_runops = RUNOPS_DEFAULT;
686
687	GV *gv = CvGV (cx->blk_sub.cv);
688	SV *fullname = sv_2mortal (newSV (0));
689	if (isGV (gv))
690	gv_efullname3 (fullname, gv, 0);
691
692	bot = PL_stack_base + cx->blk_oldsp + 1;
693	top = cx->blk_gimme == G_ARRAY ? SP + 1
694	: cx->blk_gimme == G_SCALAR ? bot + 1
695	: bot;
696
697	while (bot < top)
698	av_push (av, SvREFCNT_inc (*bot++));
699
700	PUSHMARK (SP);
701	PUSHs (&PL_sv_no);
702	PUSHs (fullname);
703	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
704	PUTBACK;
705	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
706	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
707	SPAGAIN;
708
709	FREETMPS;
710	LEAVE;
711	PL_runops = old_runops;
712	}
713
714	if (oldcop != PL_curcop)
715	{
716	oldcop = PL_curcop;
717
718	if (PL_curcop != &PL_compiling)
719	{	781	{
		782	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		783	SV bot, top;
		784	AV av = newAV (); / return values */
720	SV **cb;	785	SV **cb;
721	runops_proc_t old_runops = PL_runops;
722	dSP;	786	dSP;
		787
		788	GV *gv = CvGV (cx->blk_sub.cv);
		789	SV *fullname = sv_2mortal (newSV (0));
		790	if (isGV (gv))
		791	gv_efullname3 (fullname, gv, 0);
		792
		793	bot = PL_stack_base + cx->blk_oldsp + 1;
		794	top = cx->blk_gimme == G_ARRAY ? SP + 1
		795	: cx->blk_gimme == G_SCALAR ? bot + 1
		796	: bot;
		797
		798	av_extend (av, top - bot);
		799	while (bot < top)
		800	av_push (av, SvREFCNT_inc (*bot++));
		801
		802	PL_runops = RUNOPS_DEFAULT;
723	ENTER;	803	ENTER;
724	SAVETMPS;	804	SAVETMPS;
725	EXTEND (SP, 3);	805	EXTEND (SP, 3);
726	PL_runops = RUNOPS_DEFAULT;	806	PUSHMARK (SP);
		807	PUSHs (&PL_sv_no);
		808	PUSHs (fullname);
		809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		810	PUTBACK;
		811	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
		812	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		813	SPAGAIN;
		814	FREETMPS;
		815	LEAVE;
		816	PL_runops = runops_trace;
		817	}
727		818
728	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	819	if (oldcop != PL_curcop)
		820	{
		821	oldcop = PL_curcop;
		822
		823	if (PL_curcop != &PL_compiling)
729	{	824	{
730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	825	SV **cb;
731		826
732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	827	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
733	{	828	{
		829	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		830
		831	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		832	{
		833	runops_proc_t old_runops = PL_runops;
		834	dSP;
734	GV *gv = CvGV (cx->blk_sub.cv);	835	GV *gv = CvGV (cx->blk_sub.cv);
735	SV *fullname = sv_2mortal (newSV (0));	836	SV *fullname = sv_2mortal (newSV (0));
		837
736	if (isGV (gv))	838	if (isGV (gv))
737	gv_efullname3 (fullname, gv, 0);	839	gv_efullname3 (fullname, gv, 0);
738		840
		841	PL_runops = RUNOPS_DEFAULT;
		842	ENTER;
		843	SAVETMPS;
		844	EXTEND (SP, 3);
		845	PUSHMARK (SP);
		846	PUSHs (&PL_sv_yes);
		847	PUSHs (fullname);
		848	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		849	PUTBACK;
		850	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
		851	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		852	SPAGAIN;
		853	FREETMPS;
		854	LEAVE;
		855	PL_runops = runops_trace;
		856	}
		857
		858	oldcxix = cxstack_ix;
		859	}
		860
		861	if (cctx->flags & CC_TRACE_LINE)
		862	{
		863	dSP;
		864
		865	PL_runops = RUNOPS_DEFAULT;
		866	ENTER;
		867	SAVETMPS;
		868	EXTEND (SP, 3);
		869	PL_runops = RUNOPS_DEFAULT;
739	PUSHMARK (SP);	870	PUSHMARK (SP);
740	PUSHs (&PL_sv_yes);	871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
741	PUSHs (fullname);	872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
742	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
743	PUTBACK;	873	PUTBACK;
744	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	874	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
745	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	875	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
746	SPAGAIN;	876	SPAGAIN;
		877	FREETMPS;
		878	LEAVE;
		879	PL_runops = runops_trace;
747	}	880	}
748
749	oldcxix = cxstack_ix;
750	}	881	}
751
752	if (cctx->flags & CC_TRACE_LINE)
753	{
754	PUSHMARK (SP);
755	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
756	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
757	PUTBACK;
758	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
759	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
760	SPAGAIN;
761	}
762
763	FREETMPS;
764	LEAVE;
765	PL_runops = old_runops;
766	}	882	}
767	}	883	}
768	}	884	}
769		885
770	TAINT_NOT;	886	TAINT_NOT;
…		…
773		889
774	/* inject a fake call to Coro::State::_cctx_init into the execution */	890	/* inject a fake call to Coro::State::_cctx_init into the execution */
775	/* _cctx_init should be careful, as it could be called at almost any time */	891	/* _cctx_init should be careful, as it could be called at almost any time */
776	/* during execution of a perl program */	892	/* during execution of a perl program */
777	static void NOINLINE	893	static void NOINLINE
778	prepare_cctx (pTHX_ coro_cctx *cctx)	894	cctx_prepare (pTHX_ coro_cctx *cctx)
779	{	895	{
780	dSP;	896	dSP;
781	LOGOP myop;	897	LOGOP myop;
782		898
783	PL_top_env = &PL_start_env;	899	PL_top_env = &PL_start_env;
…		…
801		917
802	/*	918	/*
803	* this is a _very_ stripped down perl interpreter ;)	919	* this is a _very_ stripped down perl interpreter ;)
804	*/	920	*/
805	static void	921	static void
806	coro_run (void *arg)	922	cctx_run (void *arg)
807	{	923	{
808	dTHX;	924	dTHX;
809		925
810	/* coro_run is the alternative tail of transfer(), so unlock here. */	926	/* cctx_run is the alternative tail of transfer(), so unlock here. */
811	UNLOCK;	927	UNLOCK;
812		928
813	/* we now skip the entersub that lead to transfer() */	929	/* we now skip the entersub that lead to transfer() */
814	PL_op = PL_op->op_next;	930	PL_op = PL_op->op_next;
815		931
816	/* inject a fake subroutine call to cctx_init */	932	/* inject a fake subroutine call to cctx_init */
817	prepare_cctx (aTHX_ (coro_cctx *)arg);	933	cctx_prepare (aTHX_ (coro_cctx *)arg);
818		934
819	/* somebody or something will hit me for both perl_run and PL_restartop */	935	/* somebody or something will hit me for both perl_run and PL_restartop */
820	PL_restartop = PL_op;	936	PL_restartop = PL_op;
821	perl_run (PL_curinterp);	937	perl_run (PL_curinterp);
822		938
…		…
841	++cctx_count;	957	++cctx_count;
842		958
843	Newz (0, cctx, 1, coro_cctx);	959	Newz (0, cctx, 1, coro_cctx);
844		960
845	#if HAVE_MMAP	961	#if HAVE_MMAP
846
847	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	962	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
848	/* mmap supposedly does allocate-on-write for us */	963	/* mmap supposedly does allocate-on-write for us */
849	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	964	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
850		965
851	if (cctx->sptr != (void *)-1)	966	if (cctx->sptr != (void *)-1)
…		…
872	stack_start = cctx->sptr;	987	stack_start = cctx->sptr;
873	stack_size = cctx->ssize;	988	stack_size = cctx->ssize;
874	}	989	}
875		990
876	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	991	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
877	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	992	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
878		993
879	return cctx;	994	return cctx;
880	}	995	}
881		996
882	static void	997	static void
…		…
899	Safefree (cctx->sptr);	1014	Safefree (cctx->sptr);
900		1015
901	Safefree (cctx);	1016	Safefree (cctx);
902	}	1017	}
903		1018
		1019	/* wether this cctx should be destructed */
		1020	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1021
904	static coro_cctx *	1022	static coro_cctx *
905	cctx_get (pTHX)	1023	cctx_get (pTHX)
906	{	1024	{
907	while (cctx_first)	1025	while (expect_true (cctx_first))
908	{	1026	{
909	coro_cctx *cctx = cctx_first;	1027	coro_cctx *cctx = cctx_first;
910	cctx_first = cctx->next;	1028	cctx_first = cctx->next;
911	--cctx_idle;	1029	--cctx_idle;
912		1030
913	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1031	if (expect_true (!CCTX_EXPIRED (cctx)))
914	return cctx;	1032	return cctx;
915		1033
916	cctx_destroy (cctx);	1034	cctx_destroy (cctx);
917	}	1035	}
918		1036
…		…
921		1039
922	static void	1040	static void
923	cctx_put (coro_cctx *cctx)	1041	cctx_put (coro_cctx *cctx)
924	{	1042	{
925	/* free another cctx if overlimit */	1043	/* free another cctx if overlimit */
926	if (cctx_idle >= MAX_IDLE_CCTX)	1044	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
927	{	1045	{
928	coro_cctx *first = cctx_first;	1046	coro_cctx *first = cctx_first;
929	cctx_first = first->next;	1047	cctx_first = first->next;
930	--cctx_idle;	1048	--cctx_idle;
931		1049
…		…
937	cctx_first = cctx;	1055	cctx_first = cctx;
938	}	1056	}
939		1057
940	/ coroutine switching ***************************************************/	1058	/ coroutine switching ***************************************************/
941		1059
942	/* never call directly, always through the coro_state_transfer global variable */	1060	static void
		1061	transfer_check (pTHX_ struct coro prev, struct coro next)
		1062	{
		1063	if (expect_true (prev != next))
		1064	{
		1065	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
		1066	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		1067
		1068	if (expect_false (next->flags & CF_RUNNING))
		1069	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		1070
		1071	if (expect_false (next->flags & CF_DESTROYED))
		1072	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		1073
		1074	if (
		1075	#if PERL_VERSION_ATLEAST (5,9,0)
		1076	expect_false (PL_parser)
		1077	#else
		1078	expect_false (PL_lex_state != LEX_NOTPARSING)
		1079	#endif
		1080	)
		1081	croak ("Coro::State::transfer called while parsing, but this is not supported");
		1082	}
		1083	}
		1084
		1085	/* always use the TRANSFER macro */
943	static void NOINLINE	1086	static void NOINLINE
944	transfer (pTHX_ struct coro prev, struct coro next)	1087	transfer (pTHX_ struct coro prev, struct coro next)
945	{	1088	{
946	dSTACKLEVEL;	1089	dSTACKLEVEL;
947		1090
948	/* sometimes transfer is only called to set idle_sp */	1091	/* sometimes transfer is only called to set idle_sp */
949	if (!next)	1092	if (expect_false (!next))
950	{	1093	{
951	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
952	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1095	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
953	}	1096	}
954	else if (prev != next)	1097	else if (expect_true (prev != next))
955	{	1098	{
956	coro_cctx *prev__cctx;	1099	coro_cctx *prev__cctx;
957		1100
958	if (prev->flags & CF_NEW)	1101	if (expect_false (prev->flags & CF_NEW))
959	{	1102	{
960	/* create a new empty context */	1103	/* create a new empty context */
961	Newz (0, prev->cctx, 1, coro_cctx);	1104	Newz (0, prev->cctx, 1, coro_cctx);
962	prev->flags &= ~CF_NEW;	1105	prev->flags &= ~CF_NEW;
963	prev->flags \|= CF_RUNNING;	1106	prev->flags \|= CF_RUNNING;
964	}	1107	}
965		1108
966	/TODO: must not croak here /
967	if (!prev->flags & CF_RUNNING)
968	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
969
970	if (next->flags & CF_RUNNING)
971	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
972
973	if (next->flags & CF_DESTROYED)
974	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
975
976	prev->flags &= ~CF_RUNNING;	1109	prev->flags &= ~CF_RUNNING;
977	next->flags \|= CF_RUNNING;	1110	next->flags \|= CF_RUNNING;
978		1111
979	LOCK;	1112	LOCK;
980		1113
981	if (next->flags & CF_NEW)	1114	if (expect_false (next->flags & CF_NEW))
982	{	1115	{
983	/* need to start coroutine */	1116	/* need to start coroutine */
984	next->flags &= ~CF_NEW;	1117	next->flags &= ~CF_NEW;
985	/* first get rid of the old state */	1118	/* first get rid of the old state */
986	save_perl (aTHX_ prev);	1119	save_perl (aTHX_ prev);
987	/* setup coroutine call */	1120	/* setup coroutine call */
988	setup_coro (aTHX_ next);	1121	coro_setup (aTHX_ next);
989	}	1122	}
990	else	1123	else
991	{	1124	{
992	/* coroutine already started */	1125	/* coroutine already started */
993	save_perl (aTHX_ prev);	1126	save_perl (aTHX_ prev);
…		…
995	}	1128	}
996		1129
997	prev__cctx = prev->cctx;	1130	prev__cctx = prev->cctx;
998		1131
999	/* possibly "free" the cctx */	1132	/* possibly "free" the cctx */
1000	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1133	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1001	{	1134	{
1002	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1135	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1003	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1136	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1004		1137
1005	prev->cctx = 0;	1138	prev->cctx = 0;
1006		1139
		1140	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1141	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1142	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1143	if (!next->cctx)
		1144	next->cctx = cctx_get (aTHX);
		1145
1007	cctx_put (prev__cctx);	1146	cctx_put (prev__cctx);
1008	}	1147	}
1009		1148
		1149	++next->usecount;
		1150
1010	if (!next->cctx)	1151	if (expect_true (!next->cctx))
1011	next->cctx = cctx_get (aTHX);	1152	next->cctx = cctx_get (aTHX);
1012		1153
1013	if (prev__cctx != next->cctx)	1154	if (expect_false (prev__cctx != next->cctx))
1014	{	1155	{
1015	prev__cctx->top_env = PL_top_env;	1156	prev__cctx->top_env = PL_top_env;
1016	PL_top_env = next->cctx->top_env;	1157	PL_top_env = next->cctx->top_env;
1017	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1158	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1018	}	1159	}
1019		1160
1020	free_coro_mortal (aTHX);	1161	free_coro_mortal (aTHX);
1021	UNLOCK;	1162	UNLOCK;
		1163
		1164	if (expect_false (prev->throw \|\| next->throw))
		1165	{
		1166	struct coro *coro = SvSTATE (coro_current);
		1167
		1168	if (coro->throw)
		1169	{
		1170	SV *exception = coro->throw;
		1171	coro->throw = 0;
		1172	sv_setsv (ERRSV, exception);
		1173	croak (0);
		1174	}
		1175	}
1022	}	1176	}
1023	}	1177	}
1024		1178
1025	struct transfer_args	1179	struct transfer_args
1026	{	1180	{
1027	struct coro prev, next;	1181	struct coro prev, next;
1028	};	1182	};
1029		1183
1030	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1184	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1185	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1031		1186
1032	/ high level stuff ******************************************************/	1187	/ high level stuff ******************************************************/
1033		1188
1034	static int	1189	static int
1035	coro_state_destroy (pTHX_ struct coro *coro)	1190	coro_state_destroy (pTHX_ struct coro *coro)
…		…
1052		1207
1053	if (coro->mainstack && coro->mainstack != main_mainstack)	1208	if (coro->mainstack && coro->mainstack != main_mainstack)
1054	{	1209	{
1055	struct coro temp;	1210	struct coro temp;
1056		1211
1057	assert (!(coro->flags & CF_RUNNING));
1058
1059	Zero (&temp, 1, struct coro);
1060	temp.save = CORO_SAVE_ALL;
1061
1062	if (coro->flags & CF_RUNNING)	1212	if (coro->flags & CF_RUNNING)
1063	croak ("FATAL: tried to destroy currently running coroutine");	1213	croak ("FATAL: tried to destroy currently running coroutine");
1064		1214
1065	save_perl (aTHX_ &temp);	1215	save_perl (aTHX_ &temp);
1066	load_perl (aTHX_ coro);	1216	load_perl (aTHX_ coro);
1067		1217
1068	coro_destroy_stacks (aTHX);	1218	coro_destroy (aTHX_ coro);
1069		1219
1070	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1220	load_perl (aTHX_ &temp);
1071		1221
1072	coro->mainstack = 0;	1222	coro->slot = 0;
1073	}	1223	}
1074		1224
1075	cctx_destroy (coro->cctx);	1225	cctx_destroy (coro->cctx);
1076	SvREFCNT_dec (coro->args);	1226	SvREFCNT_dec (coro->args);
1077		1227
…		…
1123	static void	1273	static void
1124	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)	1274	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
1125	{	1275	{
1126	ta->prev = SvSTATE (prev_sv);	1276	ta->prev = SvSTATE (prev_sv);
1127	ta->next = SvSTATE (next_sv);	1277	ta->next = SvSTATE (next_sv);
		1278	TRANSFER_CHECK (*ta);
1128	}	1279	}
1129		1280
1130	static void	1281	static void
1131	api_transfer (SV prev_sv, SV next_sv)	1282	api_transfer (SV prev_sv, SV next_sv)
1132	{	1283	{
1133	dTHX;	1284	dTHX;
1134	struct transfer_args ta;	1285	struct transfer_args ta;
1135		1286
1136	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1287	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1137	TRANSFER (ta);	1288	TRANSFER (ta);
1138	}
1139
1140	static int
1141	api_save (SV *coro_sv, int new_save)
1142	{
1143	dTHX;
1144	struct coro *coro = SvSTATE (coro_sv);
1145	int old_save = coro->save;
1146
1147	if (new_save >= 0)
1148	coro->save = new_save;
1149
1150	return old_save;
1151	}	1289	}
1152		1290
1153	/ Coro ******************************************************************/	1291	/ Coro ******************************************************************/
1154		1292
1155	static void	1293	static void
…		…
1214	{	1352	{
1215	LOCK;	1353	LOCK;
1216	next_sv = coro_deq (aTHX_ PRIO_MIN);	1354	next_sv = coro_deq (aTHX_ PRIO_MIN);
1217		1355
1218	/* nothing to schedule: call the idle handler */	1356	/* nothing to schedule: call the idle handler */
1219	if (!next_sv)	1357	if (expect_false (!next_sv))
1220	{	1358	{
1221	dSP;	1359	dSP;
1222	UNLOCK;	1360	UNLOCK;
1223		1361
1224	ENTER;	1362	ENTER;
…		…
1234	}	1372	}
1235		1373
1236	ta->next = SvSTATE (next_sv);	1374	ta->next = SvSTATE (next_sv);
1237		1375
1238	/* cannot transfer to destroyed coros, skip and look for next */	1376	/* cannot transfer to destroyed coros, skip and look for next */
1239	if (ta->next->flags & CF_DESTROYED)	1377	if (expect_false (ta->next->flags & CF_DESTROYED))
1240	{	1378	{
1241	UNLOCK;	1379	UNLOCK;
1242	SvREFCNT_dec (next_sv);	1380	SvREFCNT_dec (next_sv);
1243	/* coro_nready is already taken care of by destroy */	1381	/* coro_nready is already taken care of by destroy */
1244	continue;	1382	continue;
…		…
1249	break;	1387	break;
1250	}	1388	}
1251		1389
1252	/* free this only after the transfer */	1390	/* free this only after the transfer */
1253	prev_sv = SvRV (coro_current);	1391	prev_sv = SvRV (coro_current);
1254	SvRV_set (coro_current, next_sv);
1255	ta->prev = SvSTATE (prev_sv);	1392	ta->prev = SvSTATE (prev_sv);
1256		1393	TRANSFER_CHECK (*ta);
1257	assert (ta->next->flags & CF_READY);	1394	assert (ta->next->flags & CF_READY);
1258	ta->next->flags &= ~CF_READY;	1395	ta->next->flags &= ~CF_READY;
		1396	SvRV_set (coro_current, next_sv);
1259		1397
1260	LOCK;	1398	LOCK;
1261	free_coro_mortal (aTHX);	1399	free_coro_mortal (aTHX);
1262	coro_mortal = prev_sv;	1400	coro_mortal = prev_sv;
1263	UNLOCK;	1401	UNLOCK;
…		…
1300	dTHX;	1438	dTHX;
1301	struct transfer_args ta;	1439	struct transfer_args ta;
1302		1440
1303	prepare_cede (aTHX_ &ta);	1441	prepare_cede (aTHX_ &ta);
1304		1442
1305	if (ta.prev != ta.next)	1443	if (expect_true (ta.prev != ta.next))
1306	{	1444	{
1307	TRANSFER (ta);	1445	TRANSFER (ta);
1308	return 1;	1446	return 1;
1309	}	1447	}
1310	else	1448	else
…		…
1324	}	1462	}
1325	else	1463	else
1326	return 0;	1464	return 0;
1327	}	1465	}
1328		1466
		1467	static void
		1468	api_trace (SV *coro_sv, int flags)
		1469	{
		1470	dTHX;
		1471	struct coro *coro = SvSTATE (coro_sv);
		1472
		1473	if (flags & CC_TRACE)
		1474	{
		1475	if (!coro->cctx)
		1476	coro->cctx = cctx_new ();
		1477	else if (!(coro->cctx->flags & CC_TRACE))
		1478	croak ("cannot enable tracing on coroutine with custom stack");
		1479
		1480	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1481	}
		1482	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1483	{
		1484	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1485
		1486	if (coro->flags & CF_RUNNING)
		1487	PL_runops = RUNOPS_DEFAULT;
		1488	else
		1489	coro->slot->runops = RUNOPS_DEFAULT;
		1490	}
		1491	}
		1492
1329	MODULE = Coro::State PACKAGE = Coro::State	1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1330		1494
1331	PROTOTYPES: DISABLE	1495	PROTOTYPES: DISABLE
1332		1496
1333	BOOT:	1497	BOOT:
1334	{	1498	{
1335	#ifdef USE_ITHREADS	1499	#ifdef USE_ITHREADS
1336	MUTEX_INIT (&coro_mutex);	1500	MUTEX_INIT (&coro_mutex);
1337	#endif	1501	#endif
1338	BOOT_PAGESIZE;	1502	BOOT_PAGESIZE;
		1503
		1504	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1505	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1506
		1507	hv_sig = coro_get_hv ("SIG", TRUE);
		1508	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1509	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1510
		1511	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1512	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1339		1513
1340	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1341		1515
1342	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1343	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1344	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1518	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1345	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1519	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1346		1520
1347	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1348	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1349	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1350	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1351	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1352	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1353	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1354
1355	main_mainstack = PL_mainstack;	1521	main_mainstack = PL_mainstack;
1356	main_top_env = PL_top_env;	1522	main_top_env = PL_top_env;
1357		1523
1358	while (main_top_env->je_prev)	1524	while (main_top_env->je_prev)
1359	main_top_env = main_top_env->je_prev;	1525	main_top_env = main_top_env->je_prev;
…		…
1371	struct coro *coro;	1537	struct coro *coro;
1372	HV *hv;	1538	HV *hv;
1373	int i;	1539	int i;
1374		1540
1375	Newz (0, coro, 1, struct coro);	1541	Newz (0, coro, 1, struct coro);
1376	coro->args = newAV ();	1542	coro->args = newAV ();
1377	coro->save = CORO_SAVE_DEF;
1378	coro->flags = CF_NEW;	1543	coro->flags = CF_NEW;
1379		1544
1380	if (coro_first) coro_first->prev = coro;	1545	if (coro_first) coro_first->prev = coro;
1381	coro->next = coro_first;	1546	coro->next = coro_first;
1382	coro_first = coro;	1547	coro_first = coro;
1383		1548
1384	coro->hv = hv = newHV ();	1549	coro->hv = hv = newHV ();
1385	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1550	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1386	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1387		1552
		1553	av_extend (coro->args, items - 1);
1388	for (i = 1; i < items; i++)	1554	for (i = 1; i < items; i++)
1389	av_push (coro->args, newSVsv (ST (i)));	1555	av_push (coro->args, newSVsv (ST (i)));
1390	}	1556	}
1391	OUTPUT:	1557	OUTPUT:
1392	RETVAL	1558	RETVAL
1393		1559
1394	int	1560	# these not obviously related functions are all rolled into the same xs
1395	save (SV *coro, int new_save = -1)	1561	# function to increase chances that they all will call transfer with the same
1396	CODE:	1562	# stack offset
1397	RETVAL = api_save (coro, new_save);
1398	OUTPUT:
1399	RETVAL
1400
1401	int
1402	save_also (SV *coro_sv, int save_also)
1403	CODE:
1404	{
1405	struct coro *coro = SvSTATE (coro_sv);
1406	RETVAL = coro->save;
1407	coro->save \|= save_also;
1408	}
1409	OUTPUT:
1410	RETVAL
1411
1412	void	1563	void
1413	_set_stacklevel (...)	1564	_set_stacklevel (...)
1414	ALIAS:	1565	ALIAS:
1415	Coro::State::transfer = 1	1566	Coro::State::transfer = 1
1416	Coro::schedule = 2	1567	Coro::schedule = 2
…		…
1450	}	1601	}
1451		1602
1452	BARRIER;	1603	BARRIER;
1453	TRANSFER (ta);	1604	TRANSFER (ta);
1454		1605
1455	if (GIMME_V != G_VOID && ta.next != ta.prev)	1606	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1456	XSRETURN_YES;	1607	XSRETURN_YES;
1457	}	1608	}
1458		1609
1459	bool	1610	bool
1460	_destroy (SV *coro_sv)	1611	_destroy (SV *coro_sv)
…		…
1510	CODE:	1661	CODE:
1511	{	1662	{
1512	if (coro->mainstack)	1663	if (coro->mainstack)
1513	{	1664	{
1514	struct coro temp;	1665	struct coro temp;
1515	Zero (&temp, 1, struct coro);
1516	temp.save = CORO_SAVE_ALL;
1517		1666
1518	if (!(coro->flags & CF_RUNNING))	1667	if (!(coro->flags & CF_RUNNING))
1519	{	1668	{
1520	save_perl (aTHX_ &temp);	1669	save_perl (aTHX_ &temp);
1521	load_perl (aTHX_ coro);	1670	load_perl (aTHX_ coro);
…		…
1525	dSP;	1674	dSP;
1526	ENTER;	1675	ENTER;
1527	SAVETMPS;	1676	SAVETMPS;
1528	PUSHMARK (SP);	1677	PUSHMARK (SP);
1529	PUTBACK;	1678	PUTBACK;
		1679
1530	if (ix)	1680	if (ix)
1531	eval_sv (coderef, 0);	1681	eval_sv (coderef, 0);
1532	else	1682	else
1533	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1683	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1684
1534	SPAGAIN;	1685	SPAGAIN;
1535	FREETMPS;	1686	FREETMPS;
1536	LEAVE;	1687	LEAVE;
1537	PUTBACK;	1688	PUTBACK;
1538	}	1689	}
…		…
1542	save_perl (aTHX_ coro);	1693	save_perl (aTHX_ coro);
1543	load_perl (aTHX_ &temp);	1694	load_perl (aTHX_ &temp);
1544	}	1695	}
1545	}	1696	}
1546	}	1697	}
1547		1698
1548	SV *	1699	SV *
1549	is_ready (Coro::State coro)	1700	is_ready (Coro::State coro)
1550	PROTOTYPE: $	1701	PROTOTYPE: $
1551	ALIAS:	1702	ALIAS:
1552	is_ready = CF_READY	1703	is_ready = CF_READY
…		…
1557	RETVAL = boolSV (coro->flags & ix);	1708	RETVAL = boolSV (coro->flags & ix);
1558	OUTPUT:	1709	OUTPUT:
1559	RETVAL	1710	RETVAL
1560		1711
1561	void	1712	void
1562	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1713	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1563	CODE:
1564	if (flags & CC_TRACE)
1565	{
1566	if (!coro->cctx)
1567	coro->cctx = cctx_new ();
1568	else if (!(coro->cctx->flags & CC_TRACE))
1569	croak ("cannot enable tracing on coroutine with custom stack");
1570
1571	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1572	}
1573	else
1574	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1575	{
1576	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1577	coro->cctx->flags \|= CC_NOREUSE;
1578
1579	if (coro->flags & CF_RUNNING)
1580	PL_runops = RUNOPS_DEFAULT;
1581	else
1582	coro->runops = RUNOPS_DEFAULT;
1583	}
1584		1714
1585	SV *	1715	SV *
1586	has_stack (Coro::State coro)	1716	has_stack (Coro::State coro)
1587	PROTOTYPE: $	1717	PROTOTYPE: $
1588	CODE:	1718	CODE:
…		…
1599	RETVAL	1729	RETVAL
1600		1730
1601	IV	1731	IV
1602	rss (Coro::State coro)	1732	rss (Coro::State coro)
1603	PROTOTYPE: $	1733	PROTOTYPE: $
		1734	ALIAS:
		1735	usecount = 1
1604	CODE:	1736	CODE:
1605	RETVAL = coro_rss (coro);	1737	switch (ix)
		1738	{
		1739	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1740	case 1: RETVAL = coro->usecount; break;
		1741	}
1606	OUTPUT:	1742	OUTPUT:
1607	RETVAL	1743	RETVAL
1608		1744
1609		1745
1610	MODULE = Coro::State PACKAGE = Coro	1746	MODULE = Coro::State PACKAGE = Coro
1611		1747
1612	BOOT:	1748	BOOT:
1613	{	1749	{
1614	int i;	1750	int i;
1615		1751
1616	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1752	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1617	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1753	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1618	av_async_pool = get_av ("Coro::async_pool", TRUE);	1754	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1619		1755
1620	coro_current = get_sv ("Coro::current", FALSE);	1756	coro_current = coro_get_sv ("Coro::current", FALSE);
1621	SvREADONLY_on (coro_current);	1757	SvREADONLY_on (coro_current);
1622		1758
1623	coro_stash = gv_stashpv ("Coro", TRUE);	1759	coro_stash = gv_stashpv ("Coro", TRUE);
1624		1760
1625	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1761	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1626	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1762	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1627	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1763	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1628	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1764	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1631		1767
1632	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1768	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1633	coro_ready[i] = newAV ();	1769	coro_ready[i] = newAV ();
1634		1770
1635	{	1771	{
1636	SV *sv = perl_get_sv("Coro::API", 1);	1772	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1773	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1637		1774
1638	coroapi.schedule = api_schedule;	1775	coroapi.schedule = api_schedule;
1639	coroapi.save = api_save;
1640	coroapi.cede = api_cede;	1776	coroapi.cede = api_cede;
1641	coroapi.cede_notself = api_cede_notself;	1777	coroapi.cede_notself = api_cede_notself;
1642	coroapi.ready = api_ready;	1778	coroapi.ready = api_ready;
1643	coroapi.is_ready = api_is_ready;	1779	coroapi.is_ready = api_is_ready;
1644	coroapi.nready = &coro_nready;	1780	coroapi.nready = &coro_nready;
…		…
1693	CODE:	1829	CODE:
1694	RETVAL = coro_nready;	1830	RETVAL = coro_nready;
1695	OUTPUT:	1831	OUTPUT:
1696	RETVAL	1832	RETVAL
1697		1833
		1834	void
		1835	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1836	PROTOTYPE: $;$
		1837	CODE:
		1838	SvREFCNT_dec (self->throw);
		1839	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1840
1698	# for async_pool speedup	1841	# for async_pool speedup
1699	void	1842	void
1700	_pool_1 (SV *cb)	1843	_pool_1 (SV *cb)
1701	CODE:	1844	CODE:
1702	{	1845	{
1703	int i, len;	1846	struct coro *coro = SvSTATE (coro_current);
1704	HV hv = (HV )SvRV (coro_current);	1847	HV hv = (HV )SvRV (coro_current);
1705	AV *defav = GvAV (PL_defgv);	1848	AV *defav = GvAV (PL_defgv);
1706	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1849	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1707	AV *invoke_av;	1850	AV *invoke_av;
		1851	int i, len;
1708		1852
1709	if (!invoke)	1853	if (!invoke)
1710	croak ("\3terminate\2\n");	1854	croak ("\3async_pool terminate\2\n");
		1855
		1856	SvREFCNT_dec (coro->saved_deffh);
		1857	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1711		1858
1712	hv_store (hv, "desc", sizeof ("desc") - 1,	1859	hv_store (hv, "desc", sizeof ("desc") - 1,
1713	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1860	newSVpvn (strpair ("[async_pool]")), 0);
1714		1861
1715	invoke_av = (AV *)SvRV (invoke);	1862	invoke_av = (AV *)SvRV (invoke);
1716	len = av_len (invoke_av);	1863	len = av_len (invoke_av);
1717		1864
1718	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1865	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1733	{	1880	{
1734	struct coro *coro = SvSTATE (coro_current);	1881	struct coro *coro = SvSTATE (coro_current);
1735		1882
1736	sv_setsv (cb, &PL_sv_undef);	1883	sv_setsv (cb, &PL_sv_undef);
1737		1884
		1885	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1886	coro->saved_deffh = 0;
		1887
1738	if (coro_rss (coro) > SvIV (sv_pool_rss)	1888	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1739	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1889	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1740	croak ("\3terminate\2\n");	1890	croak ("\3async_pool terminate\2\n");
1741		1891
1742	av_clear (GvAV (PL_defgv));	1892	av_clear (GvAV (PL_defgv));
1743	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1893	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1744	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1894	newSVpvn (strpair ("[async_pool idle]")), 0);
1745	coro->save = CORO_SAVE_DEF;	1895
1746	coro->prio = 0;	1896	coro->prio = 0;
		1897
		1898	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1899	api_trace (coro_current, 0);
		1900
1747	av_push (av_async_pool, newSVsv (coro_current));	1901	av_push (av_async_pool, newSVsv (coro_current));
1748	}	1902	}
1749		1903
1750		1904
1751	MODULE = Coro::State PACKAGE = Coro::AIO	1905	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.169 by root, Thu Sep 27 16:25:10 2007 UTC vs. Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.169 by root, Thu Sep 27 16:25:10 2007 UTC vs.
Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC