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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.172 by root, Sun Sep 30 13:15:01 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 */
191		229	HV hv; / the perl hash associated with this coro, if any */
192	/* optionally saved, might be zero */
193	AV defav; / @_ */
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		230
204	/* statistics */	231	/* statistics */
205	int usecount; /* number of switches to this coro */	232	int usecount; /* number of transfers to this coro */
206		233
207	/* coro process data */	234	/* coro process data */
208	int prio;	235	int prio;
		236	SV throw; / exception to be thrown */
		237
		238	/* async_pool */
		239	SV *saved_deffh;
209		240
210	/* linked list */	241	/* linked list */
211	struct coro next, prev;	242	struct coro next, prev;
212	HV hv; / the perl hash associated with this coro, if any */
213	};	243	};
214		244
215	typedef struct coro *Coro__State;	245	typedef struct coro *Coro__State;
216	typedef struct coro *Coro__State_or_hashref;	246	typedef struct coro *Coro__State_or_hashref;
217		247
…		…
229	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
230	static int coro_nready;	260	static int coro_nready;
231	static struct coro *coro_first;	261	static struct coro *coro_first;
232		262
233	/ 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	}
234		294
235	static AV *	295	static AV *
236	coro_clone_padlist (pTHX_ CV *cv)	296	coro_clone_padlist (pTHX_ CV *cv)
237	{	297	{
238	AV *padlist = CvPADLIST (cv);	298	AV *padlist = CvPADLIST (cv);
…		…
311	MAGIC *mg;	371	MAGIC *mg;
312		372
313	if (SvROK (coro))	373	if (SvROK (coro))
314	coro = SvRV (coro);	374	coro = SvRV (coro);
315		375
316	if (SvTYPE (coro) != SVt_PVHV)	376	if (expect_false (SvTYPE (coro) != SVt_PVHV))
317	croak ("Coro::State object required");	377	croak ("Coro::State object required");
318		378
319	stash = SvSTASH (coro);	379	stash = SvSTASH (coro);
320	if (stash != coro_stash && stash != coro_state_stash)	380	if (expect_false (stash != coro_stash && stash != coro_state_stash))
321	{	381	{
322	/* very slow, but rare, check */	382	/* very slow, but rare, check */
323	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
324	croak ("Coro::State object required");	384	croak ("Coro::State object required");
325	}	385	}
…		…
335	get_padlist (pTHX_ CV *cv)	395	get_padlist (pTHX_ CV *cv)
336	{	396	{
337	MAGIC *mg = CORO_MAGIC (cv);	397	MAGIC *mg = CORO_MAGIC (cv);
338	AV *av;	398	AV *av;
339		399
340	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
341	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
342	else	402	else
343	{	403	{
344	#if CORO_PREFER_PERL_FUNCTIONS	404	#if CORO_PREFER_PERL_FUNCTIONS
345	/* this is probably cleaner, but also slower? */	405	/* this is probably cleaner, but also slower? */
…		…
357	put_padlist (pTHX_ CV *cv)	417	put_padlist (pTHX_ CV *cv)
358	{	418	{
359	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC (cv);
360	AV *av;	420	AV *av;
361		421
362	if (!mg)	422	if (expect_false (!mg))
363	{	423	{
364	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
365	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
366	mg->mg_virtual = &vtbl_coro;	426	mg->mg_virtual = &vtbl_coro;
367	mg->mg_obj = (SV *)newAV ();	427	mg->mg_obj = (SV *)newAV ();
368	}	428	}
369		429
370	av = (AV *)mg->mg_obj;	430	av = (AV *)mg->mg_obj;
371		431
372	if (AvFILLp (av) >= AvMAX (av))	432	if (expect_false (AvFILLp (av) >= AvMAX (av)))
373	av_extend (av, AvMAX (av) + 1);	433	av_extend (av, AvMAX (av) + 1);
374		434
375	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	435	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
376	}	436	}
377		437
378	/ load & save, init *****************************************************/	438	/ load & save, init *****************************************************/
379		439
380	#define SB do {
381	#define SE } while (0)
382
383	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
384
385	static void	440	static void
386	load_perl (pTHX_ Coro__State c)	441	load_perl (pTHX_ Coro__State c)
387	{	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
388	#define VAR(name,type) PL_ ## name = c->name;	453	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	454	# include "state.h"
390	#undef VAR	455	#undef VAR
391		456
392	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
393	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
394	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
395	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
396
397	if (c->irssv)
398	{
399	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
400	{
401	SvREFCNT_dec (c->irssv);
402	c->irssv = 0;
403	}
404	else
405	{
406	REPLACE_SV (PL_rs, c->irssv);
407	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
408	sv_setsv (c->irssv_sv, PL_rs);
409	}
410	}
411		459
412	{	460	{
413	dSP;	461	dSP;
		462
414	CV *cv;	463	CV *cv;
415		464
416	/* now do the ugly restore mess */	465	/* now do the ugly restore mess */
417	while ((cv = (CV *)POPs))	466	while (expect_true (cv = (CV *)POPs))
418	{	467	{
419	put_padlist (aTHX_ cv); /* mark this padlist as available */	468	put_padlist (aTHX_ cv); /* mark this padlist as available */
420	CvDEPTH (cv) = PTR2IV (POPs);	469	CvDEPTH (cv) = PTR2IV (POPs);
421	CvPADLIST (cv) = (AV *)POPs;	470	CvPADLIST (cv) = (AV *)POPs;
422	}	471	}
…		…
441		490
442	XPUSHs (Nullsv);	491	XPUSHs (Nullsv);
443	/* this loop was inspired by pp_caller */	492	/* this loop was inspired by pp_caller */
444	for (;;)	493	for (;;)
445	{	494	{
446	while (cxix >= 0)	495	while (expect_true (cxix >= 0))
447	{	496	{
448	PERL_CONTEXT *cx = &ccstk[cxix--];	497	PERL_CONTEXT *cx = &ccstk[cxix--];
449		498
450	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	499	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
451	{	500	{
452	CV *cv = cx->blk_sub.cv;	501	CV *cv = cx->blk_sub.cv;
453		502
454	if (CvDEPTH (cv))	503	if (expect_true (CvDEPTH (cv)))
455	{	504	{
456	EXTEND (SP, 3);	505	EXTEND (SP, 3);
457	PUSHs ((SV *)CvPADLIST (cv));	506	PUSHs ((SV *)CvPADLIST (cv));
458	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
459	PUSHs ((SV *)cv);	508	PUSHs ((SV *)cv);
…		…
462	get_padlist (aTHX_ cv);	511	get_padlist (aTHX_ cv);
463	}	512	}
464	}	513	}
465	}	514	}
466		515
467	if (top_si->si_type == PERLSI_MAIN)	516	if (expect_true (top_si->si_type == PERLSI_MAIN))
468	break;	517	break;
469		518
470	top_si = top_si->si_prev;	519	top_si = top_si->si_prev;
471	ccstk = top_si->si_cxstack;	520	ccstk = top_si->si_cxstack;
472	cxix = top_si->si_cxix;	521	cxix = top_si->si_cxix;
473	}	522	}
474		523
475	PUTBACK;	524	PUTBACK;
476	}	525	}
477		526
478	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 */
479	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	528	/* we manually unroll here, as usually 2 slots is enough */
480	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	529	if (SLOT_COUNT >= 1) CXINC;
481	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	530	if (SLOT_COUNT >= 2) CXINC;
482	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 */
483		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
484	#define VAR(name,type)c->name = PL_ ## name;	549	#define VAR(name,type) slot->name = PL_ ## name;
485	# include "state.h"	550	# include "state.h"
486	#undef VAR	551	#undef VAR
		552	}
487	}	553	}
488		554
489	/*	555	/*
490	* allocate various perl stacks. This is an exact copy	556	* allocate various perl stacks. This is an exact copy
491	* of perl.c:init_stacks, except that it uses less memory	557	* of perl.c:init_stacks, except that it uses less memory
…		…
496	# define coro_init_stacks init_stacks	562	# define coro_init_stacks init_stacks
497	#else	563	#else
498	static void	564	static void
499	coro_init_stacks (pTHX)	565	coro_init_stacks (pTHX)
500	{	566	{
501	PL_curstackinfo = new_stackinfo(64, 6);	567	PL_curstackinfo = new_stackinfo(32, 8);
502	PL_curstackinfo->si_type = PERLSI_MAIN;	568	PL_curstackinfo->si_type = PERLSI_MAIN;
503	PL_curstack = PL_curstackinfo->si_stack;	569	PL_curstack = PL_curstackinfo->si_stack;
504	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	570	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
505		571
506	PL_stack_base = AvARRAY(PL_curstack);	572	PL_stack_base = AvARRAY(PL_curstack);
507	PL_stack_sp = PL_stack_base;	573	PL_stack_sp = PL_stack_base;
508	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	574	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
509		575
510	New(50,PL_tmps_stack,64,SV*);	576	New(50,PL_tmps_stack,32,SV*);
511	PL_tmps_floor = -1;	577	PL_tmps_floor = -1;
512	PL_tmps_ix = -1;	578	PL_tmps_ix = -1;
513	PL_tmps_max = 64;	579	PL_tmps_max = 32;
514		580
515	New(54,PL_markstack,16,I32);	581	New(54,PL_markstack,16,I32);
516	PL_markstack_ptr = PL_markstack;	582	PL_markstack_ptr = PL_markstack;
517	PL_markstack_max = PL_markstack + 16;	583	PL_markstack_max = PL_markstack + 16;
518		584
519	#ifdef SET_MARK_OFFSET	585	#ifdef SET_MARK_OFFSET
520	SET_MARK_OFFSET;	586	SET_MARK_OFFSET;
521	#endif	587	#endif
522		588
523	New(54,PL_scopestack,16,I32);	589	New(54,PL_scopestack,8,I32);
524	PL_scopestack_ix = 0;	590	PL_scopestack_ix = 0;
525	PL_scopestack_max = 16;	591	PL_scopestack_max = 8;
526		592
527	New(54,PL_savestack,64,ANY);	593	New(54,PL_savestack,24,ANY);
528	PL_savestack_ix = 0;	594	PL_savestack_ix = 0;
529	PL_savestack_max = 64;	595	PL_savestack_max = 24;
530		596
531	#if !PERL_VERSION_ATLEAST (5,9,0)	597	#if !PERL_VERSION_ATLEAST (5,9,0)
532	New(54,PL_retstack,4,OP*);	598	New(54,PL_retstack,4,OP*);
533	PL_retstack_ix = 0;	599	PL_retstack_ix = 0;
534	PL_retstack_max = 4;	600	PL_retstack_max = 4;
…		…
540	* destroy the stacks, the callchain etc...	606	* destroy the stacks, the callchain etc...
541	*/	607	*/
542	static void	608	static void
543	coro_destroy_stacks (pTHX)	609	coro_destroy_stacks (pTHX)
544	{	610	{
545	if (!IN_DESTRUCT)
546	{
547	/* restore all saved variables and stuff */
548	LEAVE_SCOPE (0);
549	assert (PL_tmps_floor == -1);
550
551	/* free all temporaries */
552	FREETMPS;
553	assert (PL_tmps_ix == -1);
554
555	/* unwind all extra stacks */
556	POPSTACK_TO (PL_mainstack);
557
558	/* unwind main stack */
559	dounwind (-1);
560	}
561
562	while (PL_curstackinfo->si_next)	611	while (PL_curstackinfo->si_next)
563	PL_curstackinfo = PL_curstackinfo->si_next;	612	PL_curstackinfo = PL_curstackinfo->si_next;
564		613
565	while (PL_curstackinfo)	614	while (PL_curstackinfo)
566	{	615	{
…		…
584	}	633	}
585		634
586	static size_t	635	static size_t
587	coro_rss (pTHX_ struct coro *coro)	636	coro_rss (pTHX_ struct coro *coro)
588	{	637	{
589	size_t rss = sizeof (coro);	638	size_t rss = sizeof (*coro);
590		639
591	if (coro->mainstack)	640	if (coro->mainstack)
592	{	641	{
		642	perl_slots tmp_slot;
		643	perl_slots *slot;
		644
593	if (coro->flags & CF_RUNNING)	645	if (coro->flags & CF_RUNNING)
594	{	646	{
		647	slot = &tmp_slot;
		648
595	#define VAR(name,type)coro->name = PL_ ## name;	649	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	650	# include "state.h"
597	#undef VAR	651	#undef VAR
598	}	652	}
		653	else
		654	slot = coro->slot;
599		655
600	rss += sizeof (coro->curstackinfo);	656	rss += sizeof (slot->curstackinfo);
601	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
602	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
603	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
604	rss += coro->tmps_max * sizeof (SV *);	659	rss += slot->tmps_max * sizeof (SV *);
605	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
606	rss += coro->scopestack_max * sizeof (I32);	661	rss += slot->scopestack_max * sizeof (I32);
607	rss += coro->savestack_max * sizeof (ANY);	662	rss += slot->savestack_max * sizeof (ANY);
608		663
609	#if !PERL_VERSION_ATLEAST (5,9,0)	664	#if !PERL_VERSION_ATLEAST (5,9,0)
610	rss += coro->retstack_max * sizeof (OP *);	665	rss += slot->retstack_max * sizeof (OP *);
611	#endif	666	#endif
612	}	667	}
613		668
614	return rss;	669	return rss;
615	}	670	}
616		671
617	/ coroutine stack handling **********************************************/	672	/ coroutine stack handling **********************************************/
618		673
619	static void	674	static void
620	setup_coro (pTHX_ struct coro *coro)	675	coro_setup (pTHX_ struct coro *coro)
621	{	676	{
622	/*	677	/*
623	* emulate part of the perl startup here.	678	* emulate part of the perl startup here.
624	*/	679	*/
625	coro_init_stacks (aTHX);	680	coro_init_stacks (aTHX);
…		…
627	PL_runops = RUNOPS_DEFAULT;	682	PL_runops = RUNOPS_DEFAULT;
628	PL_curcop = &PL_compiling;	683	PL_curcop = &PL_compiling;
629	PL_in_eval = EVAL_NULL;	684	PL_in_eval = EVAL_NULL;
630	PL_comppad = 0;	685	PL_comppad = 0;
631	PL_curpm = 0;	686	PL_curpm = 0;
		687	PL_curpad = 0;
632	PL_localizing = 0;	688	PL_localizing = 0;
633	PL_dirty = 0;	689	PL_dirty = 0;
634	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);
635		700
636	{	701	{
637	dSP;	702	dSP;
638	LOGOP myop;	703	LOGOP myop;
639		704
640	SvREFCNT_dec (GvAV (PL_defgv));
641	GvAV (PL_defgv) = coro->args; coro->args = 0;
642
643	Zero (&myop, 1, LOGOP);	705	Zero (&myop, 1, LOGOP);
644	myop.op_next = Nullop;	706	myop.op_next = Nullop;
645	myop.op_flags = OPf_WANT_VOID;	707	myop.op_flags = OPf_WANT_VOID;
646		708
647	PUSHMARK (SP);	709	PUSHMARK (SP);
648	XPUSHs (av_shift (GvAV (PL_defgv)));	710	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
649	PUTBACK;	711	PUTBACK;
650	PL_op = (OP *)&myop;	712	PL_op = (OP *)&myop;
651	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
652	SPAGAIN;	714	SPAGAIN;
653	}	715	}
654		716
655	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);
656	}	754	}
657		755
658	static void	756	static void
659	free_coro_mortal (pTHX)	757	free_coro_mortal (pTHX)
660	{	758	{
661	if (coro_mortal)	759	if (expect_true (coro_mortal))
662	{	760	{
663	SvREFCNT_dec (coro_mortal);	761	SvREFCNT_dec (coro_mortal);
664	coro_mortal = 0;	762	coro_mortal = 0;
665	}	763	}
666	}	764	}
…		…
675		773
676	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	774	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
677	{	775	{
678	PERL_ASYNC_CHECK ();	776	PERL_ASYNC_CHECK ();
679		777
680	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	778	if (cctx->flags & CC_TRACE_ALL)
681	{	779	{
682	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	780	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
683	SV bot, top;
684	AV av = newAV (); / return values */
685	SV **cb;
686	runops_proc_t old_runops = PL_runops;
687	dSP;
688	ENTER;
689	SAVETMPS;
690	EXTEND (SP, 3);
691	PL_runops = RUNOPS_DEFAULT;
692
693	GV *gv = CvGV (cx->blk_sub.cv);
694	SV *fullname = sv_2mortal (newSV (0));
695	if (isGV (gv))
696	gv_efullname3 (fullname, gv, 0);
697
698	bot = PL_stack_base + cx->blk_oldsp + 1;
699	top = cx->blk_gimme == G_ARRAY ? SP + 1
700	: cx->blk_gimme == G_SCALAR ? bot + 1
701	: bot;
702
703	while (bot < top)
704	av_push (av, SvREFCNT_inc (*bot++));
705
706	PUSHMARK (SP);
707	PUSHs (&PL_sv_no);
708	PUSHs (fullname);
709	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
710	PUTBACK;
711	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
712	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
713	SPAGAIN;
714
715	FREETMPS;
716	LEAVE;
717	PL_runops = old_runops;
718	}
719
720	if (oldcop != PL_curcop)
721	{
722	oldcop = PL_curcop;
723
724	if (PL_curcop != &PL_compiling)
725	{	781	{
		782	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		783	SV bot, top;
		784	AV av = newAV (); / return values */
726	SV **cb;	785	SV **cb;
727	runops_proc_t old_runops = PL_runops;
728	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;
729	ENTER;	803	ENTER;
730	SAVETMPS;	804	SAVETMPS;
731	EXTEND (SP, 3);	805	EXTEND (SP, 3);
732	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	}
733		818
734	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)
735	{	824	{
736	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	825	SV **cb;
737		826
738	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	827	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
739	{	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;
740	GV *gv = CvGV (cx->blk_sub.cv);	835	GV *gv = CvGV (cx->blk_sub.cv);
741	SV *fullname = sv_2mortal (newSV (0));	836	SV *fullname = sv_2mortal (newSV (0));
		837
742	if (isGV (gv))	838	if (isGV (gv))
743	gv_efullname3 (fullname, gv, 0);	839	gv_efullname3 (fullname, gv, 0);
744		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;
745	PUSHMARK (SP);	870	PUSHMARK (SP);
746	PUSHs (&PL_sv_yes);	871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
747	PUSHs (fullname);	872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
748	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
749	PUTBACK;	873	PUTBACK;
750	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);
751	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);
752	SPAGAIN;	876	SPAGAIN;
		877	FREETMPS;
		878	LEAVE;
		879	PL_runops = runops_trace;
753	}	880	}
754
755	oldcxix = cxstack_ix;
756	}	881	}
757
758	if (cctx->flags & CC_TRACE_LINE)
759	{
760	PUSHMARK (SP);
761	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
762	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
763	PUTBACK;
764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
766	SPAGAIN;
767	}
768
769	FREETMPS;
770	LEAVE;
771	PL_runops = old_runops;
772	}	882	}
773	}	883	}
774	}	884	}
775		885
776	TAINT_NOT;	886	TAINT_NOT;
…		…
779		889
780	/* 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 */
781	/* _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 */
782	/* during execution of a perl program */	892	/* during execution of a perl program */
783	static void NOINLINE	893	static void NOINLINE
784	prepare_cctx (pTHX_ coro_cctx *cctx)	894	cctx_prepare (pTHX_ coro_cctx *cctx)
785	{	895	{
786	dSP;	896	dSP;
787	LOGOP myop;	897	LOGOP myop;
788		898
789	PL_top_env = &PL_start_env;	899	PL_top_env = &PL_start_env;
…		…
807		917
808	/*	918	/*
809	* this is a _very_ stripped down perl interpreter ;)	919	* this is a _very_ stripped down perl interpreter ;)
810	*/	920	*/
811	static void	921	static void
812	coro_run (void *arg)	922	cctx_run (void *arg)
813	{	923	{
814	dTHX;	924	dTHX;
815		925
816	/* coro_run is the alternative tail of transfer(), so unlock here. */	926	/* cctx_run is the alternative tail of transfer(), so unlock here. */
817	UNLOCK;	927	UNLOCK;
818		928
819	/* we now skip the entersub that lead to transfer() */	929	/* we now skip the entersub that lead to transfer() */
820	PL_op = PL_op->op_next;	930	PL_op = PL_op->op_next;
821		931
822	/* inject a fake subroutine call to cctx_init */	932	/* inject a fake subroutine call to cctx_init */
823	prepare_cctx (aTHX_ (coro_cctx *)arg);	933	cctx_prepare (aTHX_ (coro_cctx *)arg);
824		934
825	/* 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 */
826	PL_restartop = PL_op;	936	PL_restartop = PL_op;
827	perl_run (PL_curinterp);	937	perl_run (PL_curinterp);
828		938
…		…
847	++cctx_count;	957	++cctx_count;
848		958
849	Newz (0, cctx, 1, coro_cctx);	959	Newz (0, cctx, 1, coro_cctx);
850		960
851	#if HAVE_MMAP	961	#if HAVE_MMAP
852
853	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;
854	/* mmap supposedly does allocate-on-write for us */	963	/* mmap supposedly does allocate-on-write for us */
855	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);
856		965
857	if (cctx->sptr != (void *)-1)	966	if (cctx->sptr != (void *)-1)
…		…
878	stack_start = cctx->sptr;	987	stack_start = cctx->sptr;
879	stack_size = cctx->ssize;	988	stack_size = cctx->ssize;
880	}	989	}
881		990
882	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	991	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
883	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);
884		993
885	return cctx;	994	return cctx;
886	}	995	}
887		996
888	static void	997	static void
…		…
905	Safefree (cctx->sptr);	1014	Safefree (cctx->sptr);
906		1015
907	Safefree (cctx);	1016	Safefree (cctx);
908	}	1017	}
909		1018
		1019	/* wether this cctx should be destructed */
		1020	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1021
910	static coro_cctx *	1022	static coro_cctx *
911	cctx_get (pTHX)	1023	cctx_get (pTHX)
912	{	1024	{
913	while (cctx_first)	1025	while (expect_true (cctx_first))
914	{	1026	{
915	coro_cctx *cctx = cctx_first;	1027	coro_cctx *cctx = cctx_first;
916	cctx_first = cctx->next;	1028	cctx_first = cctx->next;
917	--cctx_idle;	1029	--cctx_idle;
918		1030
919	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1031	if (expect_true (!CCTX_EXPIRED (cctx)))
920	return cctx;	1032	return cctx;
921		1033
922	cctx_destroy (cctx);	1034	cctx_destroy (cctx);
923	}	1035	}
924		1036
…		…
927		1039
928	static void	1040	static void
929	cctx_put (coro_cctx *cctx)	1041	cctx_put (coro_cctx *cctx)
930	{	1042	{
931	/* free another cctx if overlimit */	1043	/* free another cctx if overlimit */
932	if (cctx_idle >= MAX_IDLE_CCTX)	1044	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
933	{	1045	{
934	coro_cctx *first = cctx_first;	1046	coro_cctx *first = cctx_first;
935	cctx_first = first->next;	1047	cctx_first = first->next;
936	--cctx_idle;	1048	--cctx_idle;
937		1049
…		…
943	cctx_first = cctx;	1055	cctx_first = cctx;
944	}	1056	}
945		1057
946	/ coroutine switching ***************************************************/	1058	/ coroutine switching ***************************************************/
947		1059
948	static void NOINLINE	1060	static void
949	transfer_check (pTHX_ struct coro prev, struct coro next)	1061	transfer_check (pTHX_ struct coro prev, struct coro next)
950	{	1062	{
951	if (prev != next)	1063	if (expect_true (prev != next))
952	{	1064	{
953	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1065	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
954	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1066	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
955		1067
956	if (next->flags & CF_RUNNING)	1068	if (expect_false (next->flags & CF_RUNNING))
957	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1069	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
958		1070
959	if (next->flags & CF_DESTROYED)	1071	if (expect_false (next->flags & CF_DESTROYED))
960	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1072	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
961		1073
		1074	if (
		1075	#if PERL_VERSION_ATLEAST (5,9,0)
		1076	expect_false (PL_parser)
		1077	#else
962	if (PL_lex_state != LEX_NOTPARSING)	1078	expect_false (PL_lex_state != LEX_NOTPARSING)
		1079	#endif
		1080	)
963	croak ("Coro::State::transfer called while parsing, but this is not supported");	1081	croak ("Coro::State::transfer called while parsing, but this is not supported");
964	}	1082	}
965	}	1083	}
966		1084
967	/* always use the TRANSFER macro */	1085	/* always use the TRANSFER macro */
…		…
969	transfer (pTHX_ struct coro prev, struct coro next)	1087	transfer (pTHX_ struct coro prev, struct coro next)
970	{	1088	{
971	dSTACKLEVEL;	1089	dSTACKLEVEL;
972		1090
973	/* sometimes transfer is only called to set idle_sp */	1091	/* sometimes transfer is only called to set idle_sp */
974	if (!next)	1092	if (expect_false (!next))
975	{	1093	{
976	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
977	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 */
978	}	1096	}
979	else if (prev != next)	1097	else if (expect_true (prev != next))
980	{	1098	{
981	coro_cctx *prev__cctx;	1099	coro_cctx *prev__cctx;
982		1100
983	if (prev->flags & CF_NEW)	1101	if (expect_false (prev->flags & CF_NEW))
984	{	1102	{
985	/* create a new empty context */	1103	/* create a new empty context */
986	Newz (0, prev->cctx, 1, coro_cctx);	1104	Newz (0, prev->cctx, 1, coro_cctx);
987	prev->flags &= ~CF_NEW;	1105	prev->flags &= ~CF_NEW;
988	prev->flags \|= CF_RUNNING;	1106	prev->flags \|= CF_RUNNING;
…		…
991	prev->flags &= ~CF_RUNNING;	1109	prev->flags &= ~CF_RUNNING;
992	next->flags \|= CF_RUNNING;	1110	next->flags \|= CF_RUNNING;
993		1111
994	LOCK;	1112	LOCK;
995		1113
996	if (next->flags & CF_NEW)	1114	if (expect_false (next->flags & CF_NEW))
997	{	1115	{
998	/* need to start coroutine */	1116	/* need to start coroutine */
999	next->flags &= ~CF_NEW;	1117	next->flags &= ~CF_NEW;
1000	/* first get rid of the old state */	1118	/* first get rid of the old state */
1001	save_perl (aTHX_ prev);	1119	save_perl (aTHX_ prev);
1002	/* setup coroutine call */	1120	/* setup coroutine call */
1003	setup_coro (aTHX_ next);	1121	coro_setup (aTHX_ next);
1004	}	1122	}
1005	else	1123	else
1006	{	1124	{
1007	/* coroutine already started */	1125	/* coroutine already started */
1008	save_perl (aTHX_ prev);	1126	save_perl (aTHX_ prev);
…		…
1010	}	1128	}
1011		1129
1012	prev__cctx = prev->cctx;	1130	prev__cctx = prev->cctx;
1013		1131
1014	/* possibly "free" the cctx */	1132	/* possibly "free" the cctx */
1015	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)))
1016	{	1134	{
1017	/* 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 */
1018	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));
1019		1137
1020	prev->cctx = 0;	1138	prev->cctx = 0;
1021		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
1022	cctx_put (prev__cctx);	1146	cctx_put (prev__cctx);
1023	}	1147	}
1024		1148
1025	++next->usecount;	1149	++next->usecount;
1026		1150
1027	if (!next->cctx)	1151	if (expect_true (!next->cctx))
1028	next->cctx = cctx_get (aTHX);	1152	next->cctx = cctx_get (aTHX);
1029		1153
1030	if (prev__cctx != next->cctx)	1154	if (expect_false (prev__cctx != next->cctx))
1031	{	1155	{
1032	prev__cctx->top_env = PL_top_env;	1156	prev__cctx->top_env = PL_top_env;
1033	PL_top_env = next->cctx->top_env;	1157	PL_top_env = next->cctx->top_env;
1034	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1158	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1035	}	1159	}
1036		1160
1037	free_coro_mortal (aTHX);	1161	free_coro_mortal (aTHX);
1038	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	}
1039	}	1176	}
1040	}	1177	}
1041		1178
1042	struct transfer_args	1179	struct transfer_args
1043	{	1180	{
…		…
1070		1207
1071	if (coro->mainstack && coro->mainstack != main_mainstack)	1208	if (coro->mainstack && coro->mainstack != main_mainstack)
1072	{	1209	{
1073	struct coro temp;	1210	struct coro temp;
1074		1211
1075	assert (!(coro->flags & CF_RUNNING));
1076
1077	Zero (&temp, 1, struct coro);
1078	temp.save = CORO_SAVE_ALL;
1079
1080	if (coro->flags & CF_RUNNING)	1212	if (coro->flags & CF_RUNNING)
1081	croak ("FATAL: tried to destroy currently running coroutine");	1213	croak ("FATAL: tried to destroy currently running coroutine");
1082		1214
1083	save_perl (aTHX_ &temp);	1215	save_perl (aTHX_ &temp);
1084	load_perl (aTHX_ coro);	1216	load_perl (aTHX_ coro);
1085		1217
1086	coro_destroy_stacks (aTHX);	1218	coro_destroy (aTHX_ coro);
1087		1219
1088	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1220	load_perl (aTHX_ &temp);
1089		1221
1090	coro->mainstack = 0;	1222	coro->slot = 0;
1091	}	1223	}
1092		1224
1093	cctx_destroy (coro->cctx);	1225	cctx_destroy (coro->cctx);
1094	SvREFCNT_dec (coro->args);	1226	SvREFCNT_dec (coro->args);
1095		1227
…		…
1154		1286
1155	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1287	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1156	TRANSFER (ta);	1288	TRANSFER (ta);
1157	}	1289	}
1158		1290
1159	static int
1160	api_save (SV *coro_sv, int new_save)
1161	{
1162	dTHX;
1163	struct coro *coro = SvSTATE (coro_sv);
1164	int old_save = coro->save;
1165
1166	if (new_save >= 0)
1167	coro->save = new_save;
1168
1169	return old_save;
1170	}
1171
1172	/ Coro ******************************************************************/	1291	/ Coro ******************************************************************/
1173		1292
1174	static void	1293	static void
1175	coro_enq (pTHX_ SV *coro_sv)	1294	coro_enq (pTHX_ SV *coro_sv)
1176	{	1295	{
…		…
1233	{	1352	{
1234	LOCK;	1353	LOCK;
1235	next_sv = coro_deq (aTHX_ PRIO_MIN);	1354	next_sv = coro_deq (aTHX_ PRIO_MIN);
1236		1355
1237	/* nothing to schedule: call the idle handler */	1356	/* nothing to schedule: call the idle handler */
1238	if (!next_sv)	1357	if (expect_false (!next_sv))
1239	{	1358	{
1240	dSP;	1359	dSP;
1241	UNLOCK;	1360	UNLOCK;
1242		1361
1243	ENTER;	1362	ENTER;
…		…
1253	}	1372	}
1254		1373
1255	ta->next = SvSTATE (next_sv);	1374	ta->next = SvSTATE (next_sv);
1256		1375
1257	/* cannot transfer to destroyed coros, skip and look for next */	1376	/* cannot transfer to destroyed coros, skip and look for next */
1258	if (ta->next->flags & CF_DESTROYED)	1377	if (expect_false (ta->next->flags & CF_DESTROYED))
1259	{	1378	{
1260	UNLOCK;	1379	UNLOCK;
1261	SvREFCNT_dec (next_sv);	1380	SvREFCNT_dec (next_sv);
1262	/* coro_nready is already taken care of by destroy */	1381	/* coro_nready is already taken care of by destroy */
1263	continue;	1382	continue;
…		…
1319	dTHX;	1438	dTHX;
1320	struct transfer_args ta;	1439	struct transfer_args ta;
1321		1440
1322	prepare_cede (aTHX_ &ta);	1441	prepare_cede (aTHX_ &ta);
1323		1442
1324	if (ta.prev != ta.next)	1443	if (expect_true (ta.prev != ta.next))
1325	{	1444	{
1326	TRANSFER (ta);	1445	TRANSFER (ta);
1327	return 1;	1446	return 1;
1328	}	1447	}
1329	else	1448	else
…		…
1343	}	1462	}
1344	else	1463	else
1345	return 0;	1464	return 0;
1346	}	1465	}
1347		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
1348	MODULE = Coro::State PACKAGE = Coro::State	1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1349		1494
1350	PROTOTYPES: DISABLE	1495	PROTOTYPES: DISABLE
1351		1496
1352	BOOT:	1497	BOOT:
1353	{	1498	{
1354	#ifdef USE_ITHREADS	1499	#ifdef USE_ITHREADS
1355	MUTEX_INIT (&coro_mutex);	1500	MUTEX_INIT (&coro_mutex);
1356	#endif	1501	#endif
1357	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);
1358		1513
1359	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1360		1515
1361	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1362	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1363	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1518	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1364	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1519	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1365		1520
1366	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1367	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1368	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1369	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1370	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1371	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1372	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1373
1374	main_mainstack = PL_mainstack;	1521	main_mainstack = PL_mainstack;
1375	main_top_env = PL_top_env;	1522	main_top_env = PL_top_env;
1376		1523
1377	while (main_top_env->je_prev)	1524	while (main_top_env->je_prev)
1378	main_top_env = main_top_env->je_prev;	1525	main_top_env = main_top_env->je_prev;
…		…
1390	struct coro *coro;	1537	struct coro *coro;
1391	HV *hv;	1538	HV *hv;
1392	int i;	1539	int i;
1393		1540
1394	Newz (0, coro, 1, struct coro);	1541	Newz (0, coro, 1, struct coro);
1395	coro->args = newAV ();	1542	coro->args = newAV ();
1396	coro->save = CORO_SAVE_DEF;
1397	coro->flags = CF_NEW;	1543	coro->flags = CF_NEW;
1398		1544
1399	if (coro_first) coro_first->prev = coro;	1545	if (coro_first) coro_first->prev = coro;
1400	coro->next = coro_first;	1546	coro->next = coro_first;
1401	coro_first = coro;	1547	coro_first = coro;
1402		1548
1403	coro->hv = hv = newHV ();	1549	coro->hv = hv = newHV ();
1404	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;
1405	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1406		1552
		1553	av_extend (coro->args, items - 1);
1407	for (i = 1; i < items; i++)	1554	for (i = 1; i < items; i++)
1408	av_push (coro->args, newSVsv (ST (i)));	1555	av_push (coro->args, newSVsv (ST (i)));
1409	}	1556	}
1410	OUTPUT:	1557	OUTPUT:
1411	RETVAL	1558	RETVAL
1412		1559
1413	int	1560	# these not obviously related functions are all rolled into the same xs
1414	save (SV *coro, int new_save = -1)	1561	# function to increase chances that they all will call transfer with the same
1415	CODE:	1562	# stack offset
1416	RETVAL = api_save (coro, new_save);
1417	OUTPUT:
1418	RETVAL
1419
1420	int
1421	save_also (SV *coro_sv, int save_also)
1422	CODE:
1423	{
1424	struct coro *coro = SvSTATE (coro_sv);
1425	RETVAL = coro->save;
1426	coro->save \|= save_also;
1427	}
1428	OUTPUT:
1429	RETVAL
1430
1431	void	1563	void
1432	_set_stacklevel (...)	1564	_set_stacklevel (...)
1433	ALIAS:	1565	ALIAS:
1434	Coro::State::transfer = 1	1566	Coro::State::transfer = 1
1435	Coro::schedule = 2	1567	Coro::schedule = 2
…		…
1469	}	1601	}
1470		1602
1471	BARRIER;	1603	BARRIER;
1472	TRANSFER (ta);	1604	TRANSFER (ta);
1473		1605
1474	if (GIMME_V != G_VOID && ta.next != ta.prev)	1606	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1475	XSRETURN_YES;	1607	XSRETURN_YES;
1476	}	1608	}
1477		1609
1478	bool	1610	bool
1479	_destroy (SV *coro_sv)	1611	_destroy (SV *coro_sv)
…		…
1529	CODE:	1661	CODE:
1530	{	1662	{
1531	if (coro->mainstack)	1663	if (coro->mainstack)
1532	{	1664	{
1533	struct coro temp;	1665	struct coro temp;
1534	Zero (&temp, 1, struct coro);
1535	temp.save = CORO_SAVE_ALL;
1536		1666
1537	if (!(coro->flags & CF_RUNNING))	1667	if (!(coro->flags & CF_RUNNING))
1538	{	1668	{
1539	save_perl (aTHX_ &temp);	1669	save_perl (aTHX_ &temp);
1540	load_perl (aTHX_ coro);	1670	load_perl (aTHX_ coro);
…		…
1544	dSP;	1674	dSP;
1545	ENTER;	1675	ENTER;
1546	SAVETMPS;	1676	SAVETMPS;
1547	PUSHMARK (SP);	1677	PUSHMARK (SP);
1548	PUTBACK;	1678	PUTBACK;
		1679
1549	if (ix)	1680	if (ix)
1550	eval_sv (coderef, 0);	1681	eval_sv (coderef, 0);
1551	else	1682	else
1552	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1683	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1684
1553	SPAGAIN;	1685	SPAGAIN;
1554	FREETMPS;	1686	FREETMPS;
1555	LEAVE;	1687	LEAVE;
1556	PUTBACK;	1688	PUTBACK;
1557	}	1689	}
…		…
1576	RETVAL = boolSV (coro->flags & ix);	1708	RETVAL = boolSV (coro->flags & ix);
1577	OUTPUT:	1709	OUTPUT:
1578	RETVAL	1710	RETVAL
1579		1711
1580	void	1712	void
1581	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1713	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1582	CODE:
1583	if (flags & CC_TRACE)
1584	{
1585	if (!coro->cctx)
1586	coro->cctx = cctx_new ();
1587	else if (!(coro->cctx->flags & CC_TRACE))
1588	croak ("cannot enable tracing on coroutine with custom stack");
1589
1590	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1591	}
1592	else
1593	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1594	{
1595	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1596	coro->cctx->flags \|= CC_NOREUSE;
1597
1598	if (coro->flags & CF_RUNNING)
1599	PL_runops = RUNOPS_DEFAULT;
1600	else
1601	coro->runops = RUNOPS_DEFAULT;
1602	}
1603		1714
1604	SV *	1715	SV *
1605	has_stack (Coro::State coro)	1716	has_stack (Coro::State coro)
1606	PROTOTYPE: $	1717	PROTOTYPE: $
1607	CODE:	1718	CODE:
…		…
1636		1747
1637	BOOT:	1748	BOOT:
1638	{	1749	{
1639	int i;	1750	int i;
1640		1751
1641	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1752	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1642	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1753	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1643	av_async_pool = get_av ("Coro::async_pool", TRUE);	1754	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1644		1755
1645	coro_current = get_sv ("Coro::current", FALSE);	1756	coro_current = coro_get_sv ("Coro::current", FALSE);
1646	SvREADONLY_on (coro_current);	1757	SvREADONLY_on (coro_current);
1647		1758
1648	coro_stash = gv_stashpv ("Coro", TRUE);	1759	coro_stash = gv_stashpv ("Coro", TRUE);
1649		1760
1650	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1761	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1651	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1762	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1652	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1763	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1653	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1764	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1656		1767
1657	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1768	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1658	coro_ready[i] = newAV ();	1769	coro_ready[i] = newAV ();
1659		1770
1660	{	1771	{
1661	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 */
1662		1774
1663	coroapi.schedule = api_schedule;	1775	coroapi.schedule = api_schedule;
1664	coroapi.save = api_save;
1665	coroapi.cede = api_cede;	1776	coroapi.cede = api_cede;
1666	coroapi.cede_notself = api_cede_notself;	1777	coroapi.cede_notself = api_cede_notself;
1667	coroapi.ready = api_ready;	1778	coroapi.ready = api_ready;
1668	coroapi.is_ready = api_is_ready;	1779	coroapi.is_ready = api_is_ready;
1669	coroapi.nready = &coro_nready;	1780	coroapi.nready = &coro_nready;
…		…
1718	CODE:	1829	CODE:
1719	RETVAL = coro_nready;	1830	RETVAL = coro_nready;
1720	OUTPUT:	1831	OUTPUT:
1721	RETVAL	1832	RETVAL
1722		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
1723	# for async_pool speedup	1841	# for async_pool speedup
1724	void	1842	void
1725	_pool_1 (SV *cb)	1843	_pool_1 (SV *cb)
1726	CODE:	1844	CODE:
1727	{	1845	{
1728	int i, len;	1846	struct coro *coro = SvSTATE (coro_current);
1729	HV hv = (HV )SvRV (coro_current);	1847	HV hv = (HV )SvRV (coro_current);
1730	AV *defav = GvAV (PL_defgv);	1848	AV *defav = GvAV (PL_defgv);
1731	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1849	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1732	AV *invoke_av;	1850	AV *invoke_av;
		1851	int i, len;
1733		1852
1734	if (!invoke)	1853	if (!invoke)
1735	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);
1736		1858
1737	hv_store (hv, "desc", sizeof ("desc") - 1,	1859	hv_store (hv, "desc", sizeof ("desc") - 1,
1738	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1860	newSVpvn (strpair ("[async_pool]")), 0);
1739		1861
1740	invoke_av = (AV *)SvRV (invoke);	1862	invoke_av = (AV *)SvRV (invoke);
1741	len = av_len (invoke_av);	1863	len = av_len (invoke_av);
1742		1864
1743	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1865	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1758	{	1880	{
1759	struct coro *coro = SvSTATE (coro_current);	1881	struct coro *coro = SvSTATE (coro_current);
1760		1882
1761	sv_setsv (cb, &PL_sv_undef);	1883	sv_setsv (cb, &PL_sv_undef);
1762		1884
		1885	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1886	coro->saved_deffh = 0;
		1887
1763	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1888	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1764	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1889	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1765	croak ("\3terminate\2\n");	1890	croak ("\3async_pool terminate\2\n");
1766		1891
1767	av_clear (GvAV (PL_defgv));	1892	av_clear (GvAV (PL_defgv));
1768	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1893	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1769	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1894	newSVpvn (strpair ("[async_pool idle]")), 0);
1770	coro->save = CORO_SAVE_DEF;	1895
1771	coro->prio = 0;	1896	coro->prio = 0;
		1897
		1898	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1899	api_trace (coro_current, 0);
		1900
1772	av_push (av_async_pool, newSVsv (coro_current));	1901	av_push (av_async_pool, newSVsv (coro_current));
1773	}	1902	}
1774		1903
1775		1904
1776	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 1.172 by root, Sun Sep 30 13:15:01 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 1.172 by root, Sun Sep 30 13:15:01 2007 UTC vs.
Revision 1.206 by root, Tue Oct 9 15:45:26 2007 UTC