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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC vs.
Revision 1.200 by root, Sun Oct 7 15:08:23 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	/* data associated with this coroutine (initial args) */
187	AV *args;	227	AV *args;
188	int refcnt;	228	int refcnt;
189	int save; /* CORO_SAVE flags */
190	int flags; /* CF_ flags */	229	int flags; /* CF_ flags */
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;
		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 */	243	HV hv; / the perl hash associated with this coro, if any */
210	};	244	};
…		…
226	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
227	static int coro_nready;	261	static int coro_nready;
228	static struct coro *coro_first;	262	static struct coro *coro_first;
229		263
230	/ lowlevel stuff ********************************************************/	264	/ lowlevel stuff ********************************************************/
		265
		266	static SV *
		267	coro_get_sv (const char *name, int create)
		268	{
		269	#if PERL_VERSION_ATLEAST (5,9,0)
		270	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		271	get_sv (name, create);
		272	#endif
		273	return get_sv (name, create);
		274	}
		275
		276	static AV *
		277	coro_get_av (const char *name, int create)
		278	{
		279	#if PERL_VERSION_ATLEAST (5,9,0)
		280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		281	get_av (name, create);
		282	#endif
		283	return get_av (name, create);
		284	}
		285
		286	static HV *
		287	coro_get_hv (const char *name, int create)
		288	{
		289	#if PERL_VERSION_ATLEAST (5,9,0)
		290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		291	get_hv (name, create);
		292	#endif
		293	return get_hv (name, create);
		294	}
231		295
232	static AV *	296	static AV *
233	coro_clone_padlist (pTHX_ CV *cv)	297	coro_clone_padlist (pTHX_ CV *cv)
234	{	298	{
235	AV *padlist = CvPADLIST (cv);	299	AV *padlist = CvPADLIST (cv);
…		…
308	MAGIC *mg;	372	MAGIC *mg;
309		373
310	if (SvROK (coro))	374	if (SvROK (coro))
311	coro = SvRV (coro);	375	coro = SvRV (coro);
312		376
		377	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		378	croak ("Coro::State object required");
		379
313	stash = SvSTASH (coro);	380	stash = SvSTASH (coro);
314	if (stash != coro_stash && stash != coro_state_stash)	381	if (expect_false (stash != coro_stash && stash != coro_state_stash))
315	{	382	{
316	/* very slow, but rare, check */	383	/* very slow, but rare, check */
317	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
318	croak ("Coro::State object required");	385	croak ("Coro::State object required");
319	}	386	}
…		…
329	get_padlist (pTHX_ CV *cv)	396	get_padlist (pTHX_ CV *cv)
330	{	397	{
331	MAGIC *mg = CORO_MAGIC (cv);	398	MAGIC *mg = CORO_MAGIC (cv);
332	AV *av;	399	AV *av;
333		400
334	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
335	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
336	else	403	else
337	{	404	{
338	#if CORO_PREFER_PERL_FUNCTIONS	405	#if CORO_PREFER_PERL_FUNCTIONS
339	/* this is probably cleaner, but also slower? */	406	/* this is probably cleaner, but also slower? */
…		…
351	put_padlist (pTHX_ CV *cv)	418	put_padlist (pTHX_ CV *cv)
352	{	419	{
353	MAGIC *mg = CORO_MAGIC (cv);	420	MAGIC *mg = CORO_MAGIC (cv);
354	AV *av;	421	AV *av;
355		422
356	if (!mg)	423	if (expect_false (!mg))
357	{	424	{
358	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
359	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
360	mg->mg_virtual = &vtbl_coro;	427	mg->mg_virtual = &vtbl_coro;
361	mg->mg_obj = (SV *)newAV ();	428	mg->mg_obj = (SV *)newAV ();
362	}	429	}
363		430
364	av = (AV *)mg->mg_obj;	431	av = (AV *)mg->mg_obj;
365		432
366	if (AvFILLp (av) >= AvMAX (av))	433	if (expect_false (AvFILLp (av) >= AvMAX (av)))
367	av_extend (av, AvMAX (av) + 1);	434	av_extend (av, AvMAX (av) + 1);
368		435
369	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	436	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
370	}	437	}
371		438
372	/ load & save, init *****************************************************/	439	/ load & save, init *****************************************************/
373		440
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	441	static void
380	load_perl (pTHX_ Coro__State c)	442	load_perl (pTHX_ Coro__State c)
381	{	443	{
		444	perl_slots *slot = c->slot;
		445	c->slot = 0;
		446
		447	PL_mainstack = c->mainstack;
		448
		449	GvSV (PL_defgv) = slot->defsv;
		450	GvAV (PL_defgv) = slot->defav;
		451	GvSV (PL_errgv) = slot->errsv;
		452	GvSV (irsgv) = slot->irsgv;
		453
382	#define VAR(name,type) PL_ ## name = c->name;	454	#define VAR(name,type) PL_ ## name = slot->name;
383	# include "state.h"	455	# include "state.h"
384	#undef VAR	456	#undef VAR
385
386	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
387	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
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		457
406	{	458	{
407	dSP;	459	dSP;
		460
408	CV *cv;	461	CV *cv;
409		462
410	/* now do the ugly restore mess */	463	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	464	while (expect_true (cv = (CV *)POPs))
412	{	465	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	466	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	467	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	468	CvPADLIST (cv) = (AV *)POPs;
416	}	469	}
…		…
435		488
436	XPUSHs (Nullsv);	489	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	490	/* this loop was inspired by pp_caller */
438	for (;;)	491	for (;;)
439	{	492	{
440	while (cxix >= 0)	493	while (expect_true (cxix >= 0))
441	{	494	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	495	PERL_CONTEXT *cx = &ccstk[cxix--];
443		496
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	497	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	498	{
446	CV *cv = cx->blk_sub.cv;	499	CV *cv = cx->blk_sub.cv;
447		500
448	if (CvDEPTH (cv))	501	if (expect_true (CvDEPTH (cv)))
449	{	502	{
450	EXTEND (SP, 3);	503	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	504	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	505	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	506	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	509	get_padlist (aTHX_ cv);
457	}	510	}
458	}	511	}
459	}	512	}
460		513
461	if (top_si->si_type == PERLSI_MAIN)	514	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	515	break;
463		516
464	top_si = top_si->si_prev;	517	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	518	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	519	cxix = top_si->si_cxix;
467	}	520	}
468		521
469	PUTBACK;	522	PUTBACK;
470	}	523	}
471		524
472	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	525	/* allocate some space on the context stack for our purposes */
473	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	526	{
474	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	527	/* we manually unroll here, as usually 2 slots is enough */
475	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	528	int i;
476	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	529	if (SLOT_COUNT >= 1) CXINC;
		530	if (SLOT_COUNT >= 2) CXINC;
		531	if (SLOT_COUNT >= 3) CXINC;
		532	for (i = 3; i < SLOT_COUNT; ++i)
		533	CXINC;
477		534
		535	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		536	}
		537
		538	c->mainstack = PL_mainstack;
		539
		540	{
		541	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		542
		543	slot->defav = GvAV (PL_defgv);
		544	slot->defsv = DEFSV;
		545	slot->errsv = ERRSV;
		546	slot->irsgv = GvSV (irsgv);
		547
478	#define VAR(name,type)c->name = PL_ ## name;	548	#define VAR(name,type) slot->name = PL_ ## name;
479	# include "state.h"	549	# include "state.h"
480	#undef VAR	550	#undef VAR
		551	}
481	}	552	}
482		553
483	/*	554	/*
484	* allocate various perl stacks. This is an exact copy	555	* allocate various perl stacks. This is an exact copy
485	* of perl.c:init_stacks, except that it uses less memory	556	* of perl.c:init_stacks, except that it uses less memory
…		…
490	# define coro_init_stacks init_stacks	561	# define coro_init_stacks init_stacks
491	#else	562	#else
492	static void	563	static void
493	coro_init_stacks (pTHX)	564	coro_init_stacks (pTHX)
494	{	565	{
495	PL_curstackinfo = new_stackinfo(64, 6);	566	PL_curstackinfo = new_stackinfo(32, 8);
496	PL_curstackinfo->si_type = PERLSI_MAIN;	567	PL_curstackinfo->si_type = PERLSI_MAIN;
497	PL_curstack = PL_curstackinfo->si_stack;	568	PL_curstack = PL_curstackinfo->si_stack;
498	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	569	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
499		570
500	PL_stack_base = AvARRAY(PL_curstack);	571	PL_stack_base = AvARRAY(PL_curstack);
501	PL_stack_sp = PL_stack_base;	572	PL_stack_sp = PL_stack_base;
502	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	573	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
503		574
504	New(50,PL_tmps_stack,64,SV*);	575	New(50,PL_tmps_stack,32,SV*);
505	PL_tmps_floor = -1;	576	PL_tmps_floor = -1;
506	PL_tmps_ix = -1;	577	PL_tmps_ix = -1;
507	PL_tmps_max = 64;	578	PL_tmps_max = 32;
508		579
509	New(54,PL_markstack,16,I32);	580	New(54,PL_markstack,16,I32);
510	PL_markstack_ptr = PL_markstack;	581	PL_markstack_ptr = PL_markstack;
511	PL_markstack_max = PL_markstack + 16;	582	PL_markstack_max = PL_markstack + 16;
512		583
513	#ifdef SET_MARK_OFFSET	584	#ifdef SET_MARK_OFFSET
514	SET_MARK_OFFSET;	585	SET_MARK_OFFSET;
515	#endif	586	#endif
516		587
517	New(54,PL_scopestack,16,I32);	588	New(54,PL_scopestack,8,I32);
518	PL_scopestack_ix = 0;	589	PL_scopestack_ix = 0;
519	PL_scopestack_max = 16;	590	PL_scopestack_max = 8;
520		591
521	New(54,PL_savestack,64,ANY);	592	New(54,PL_savestack,24,ANY);
522	PL_savestack_ix = 0;	593	PL_savestack_ix = 0;
523	PL_savestack_max = 64;	594	PL_savestack_max = 24;
524		595
525	#if !PERL_VERSION_ATLEAST (5,9,0)	596	#if !PERL_VERSION_ATLEAST (5,9,0)
526	New(54,PL_retstack,4,OP*);	597	New(54,PL_retstack,4,OP*);
527	PL_retstack_ix = 0;	598	PL_retstack_ix = 0;
528	PL_retstack_max = 4;	599	PL_retstack_max = 4;
…		…
534	* destroy the stacks, the callchain etc...	605	* destroy the stacks, the callchain etc...
535	*/	606	*/
536	static void	607	static void
537	coro_destroy_stacks (pTHX)	608	coro_destroy_stacks (pTHX)
538	{	609	{
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)	610	while (PL_curstackinfo->si_next)
557	PL_curstackinfo = PL_curstackinfo->si_next;	611	PL_curstackinfo = PL_curstackinfo->si_next;
558		612
559	while (PL_curstackinfo)	613	while (PL_curstackinfo)
560	{	614	{
…		…
576	Safefree (PL_retstack);	630	Safefree (PL_retstack);
577	#endif	631	#endif
578	}	632	}
579		633
580	static size_t	634	static size_t
581	coro_rss (struct coro *coro)	635	coro_rss (pTHX_ struct coro *coro)
582	{	636	{
583	size_t rss = sizeof (coro);	637	size_t rss = sizeof (*coro);
584		638
585	if (coro->mainstack)	639	if (coro->mainstack)
586	{	640	{
		641	perl_slots tmp_slot;
		642	perl_slots *slot;
		643
587	if (coro->flags & CF_RUNNING)	644	if (coro->flags & CF_RUNNING)
588	{	645	{
		646	slot = &tmp_slot;
		647
589	#define VAR(name,type)coro->name = PL_ ## name;	648	#define VAR(name,type) slot->name = PL_ ## name;
590	# include "state.h"	649	# include "state.h"
591	#undef VAR	650	#undef VAR
592	}	651	}
		652	else
		653	slot = coro->slot;
593		654
594	rss += sizeof (coro->curstackinfo);	655	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);	656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
598	rss += coro->tmps_max * sizeof (SV *);	658	rss += slot->tmps_max * sizeof (SV *);
599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
600	rss += coro->scopestack_max * sizeof (I32);	660	rss += slot->scopestack_max * sizeof (I32);
601	rss += coro->savestack_max * sizeof (ANY);	661	rss += slot->savestack_max * sizeof (ANY);
602		662
603	#if !PERL_VERSION_ATLEAST (5,9,0)	663	#if !PERL_VERSION_ATLEAST (5,9,0)
604	rss += coro->retstack_max * sizeof (OP *);	664	rss += slot->retstack_max * sizeof (OP *);
605	#endif	665	#endif
606	}	666	}
607		667
608	return rss;	668	return rss;
609	}	669	}
610		670
611	/ coroutine stack handling **********************************************/	671	/ coroutine stack handling **********************************************/
612		672
613	static void	673	static void
614	setup_coro (pTHX_ struct coro *coro)	674	coro_setup (pTHX_ struct coro *coro)
615	{	675	{
616	/*	676	/*
617	* emulate part of the perl startup here.	677	* emulate part of the perl startup here.
618	*/	678	*/
619	coro_init_stacks (aTHX);	679	coro_init_stacks (aTHX);
…		…
621	PL_runops = RUNOPS_DEFAULT;	681	PL_runops = RUNOPS_DEFAULT;
622	PL_curcop = &PL_compiling;	682	PL_curcop = &PL_compiling;
623	PL_in_eval = EVAL_NULL;	683	PL_in_eval = EVAL_NULL;
624	PL_comppad = 0;	684	PL_comppad = 0;
625	PL_curpm = 0;	685	PL_curpm = 0;
		686	PL_curpad = 0;
626	PL_localizing = 0;	687	PL_localizing = 0;
627	PL_dirty = 0;	688	PL_dirty = 0;
628	PL_restartop = 0;	689	PL_restartop = 0;
		690	SvREFCNT_inc (PL_diehook ); hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		691	SvREFCNT_inc (PL_warnhook); hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
		692
		693	GvSV (PL_defgv) = newSV (0);
		694	GvAV (PL_defgv) = coro->args; coro->args = 0;
		695	GvSV (PL_errgv) = newSV (0);
		696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		697	PL_rs = newSVsv (GvSV (irsgv));
		698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
629		699
630	{	700	{
631	dSP;	701	dSP;
632	LOGOP myop;	702	LOGOP myop;
633		703
634	SvREFCNT_dec (GvAV (PL_defgv));
635	GvAV (PL_defgv) = coro->args; coro->args = 0;
636
637	Zero (&myop, 1, LOGOP);	704	Zero (&myop, 1, LOGOP);
638	myop.op_next = Nullop;	705	myop.op_next = Nullop;
639	myop.op_flags = OPf_WANT_VOID;	706	myop.op_flags = OPf_WANT_VOID;
640		707
641	PUSHMARK (SP);	708	PUSHMARK (SP);
642	XPUSHs (av_shift (GvAV (PL_defgv)));	709	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
643	PUTBACK;	710	PUTBACK;
644	PL_op = (OP *)&myop;	711	PL_op = (OP *)&myop;
645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
646	SPAGAIN;	713	SPAGAIN;
647	}	714	}
648		715
649	ENTER; /* necessary e.g. for dounwind */	716	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
		717	}
		718
		719	static void
		720	coro_destroy (pTHX_ struct coro *coro)
		721	{
		722	if (!IN_DESTRUCT)
		723	{
		724	/* restore all saved variables and stuff */
		725	LEAVE_SCOPE (0);
		726	assert (PL_tmps_floor == -1);
		727
		728	/* free all temporaries */
		729	FREETMPS;
		730	assert (PL_tmps_ix == -1);
		731
		732	/* unwind all extra stacks */
		733	POPSTACK_TO (PL_mainstack);
		734
		735	/* unwind main stack */
		736	dounwind (-1);
		737	}
		738
		739	SvREFCNT_dec (GvSV (PL_defgv));
		740	SvREFCNT_dec (GvAV (PL_defgv));
		741	SvREFCNT_dec (GvSV (PL_errgv));
		742	SvREFCNT_dec (PL_defoutgv);
		743	SvREFCNT_dec (PL_rs);
		744	SvREFCNT_dec (GvSV (irsgv));
		745
		746	SvREFCNT_dec (PL_diehook);
		747	SvREFCNT_dec (PL_warnhook);
		748
		749	SvREFCNT_dec (coro->saved_deffh);
		750	SvREFCNT_dec (coro->throw);
		751
		752	coro_destroy_stacks (aTHX);
650	}	753	}
651		754
652	static void	755	static void
653	free_coro_mortal (pTHX)	756	free_coro_mortal (pTHX)
654	{	757	{
655	if (coro_mortal)	758	if (expect_true (coro_mortal))
656	{	759	{
657	SvREFCNT_dec (coro_mortal);	760	SvREFCNT_dec (coro_mortal);
658	coro_mortal = 0;	761	coro_mortal = 0;
659	}	762	}
660	}	763	}
…		…
669		772
670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	773	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671	{	774	{
672	PERL_ASYNC_CHECK ();	775	PERL_ASYNC_CHECK ();
673		776
674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	777	if (cctx->flags & CC_TRACE_ALL)
675	{	778	{
676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	779	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	{	780	{
		781	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		782	SV bot, top;
		783	AV av = newAV (); / return values */
720	SV **cb;	784	SV **cb;
721	runops_proc_t old_runops = PL_runops;
722	dSP;	785	dSP;
		786
		787	GV *gv = CvGV (cx->blk_sub.cv);
		788	SV *fullname = sv_2mortal (newSV (0));
		789	if (isGV (gv))
		790	gv_efullname3 (fullname, gv, 0);
		791
		792	bot = PL_stack_base + cx->blk_oldsp + 1;
		793	top = cx->blk_gimme == G_ARRAY ? SP + 1
		794	: cx->blk_gimme == G_SCALAR ? bot + 1
		795	: bot;
		796
		797	av_extend (av, top - bot);
		798	while (bot < top)
		799	av_push (av, SvREFCNT_inc (*bot++));
		800
		801	PL_runops = RUNOPS_DEFAULT;
723	ENTER;	802	ENTER;
724	SAVETMPS;	803	SAVETMPS;
725	EXTEND (SP, 3);	804	EXTEND (SP, 3);
726	PL_runops = RUNOPS_DEFAULT;	805	PUSHMARK (SP);
		806	PUSHs (&PL_sv_no);
		807	PUSHs (fullname);
		808	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		809	PUTBACK;
		810	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
		811	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		812	SPAGAIN;
		813	FREETMPS;
		814	LEAVE;
		815	PL_runops = runops_trace;
		816	}
727		817
728	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	818	if (oldcop != PL_curcop)
		819	{
		820	oldcop = PL_curcop;
		821
		822	if (PL_curcop != &PL_compiling)
729	{	823	{
730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	824	SV **cb;
731		825
732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	826	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
733	{	827	{
		828	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		829
		830	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		831	{
		832	runops_proc_t old_runops = PL_runops;
		833	dSP;
734	GV *gv = CvGV (cx->blk_sub.cv);	834	GV *gv = CvGV (cx->blk_sub.cv);
735	SV *fullname = sv_2mortal (newSV (0));	835	SV *fullname = sv_2mortal (newSV (0));
		836
736	if (isGV (gv))	837	if (isGV (gv))
737	gv_efullname3 (fullname, gv, 0);	838	gv_efullname3 (fullname, gv, 0);
738		839
		840	PL_runops = RUNOPS_DEFAULT;
		841	ENTER;
		842	SAVETMPS;
		843	EXTEND (SP, 3);
		844	PUSHMARK (SP);
		845	PUSHs (&PL_sv_yes);
		846	PUSHs (fullname);
		847	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		848	PUTBACK;
		849	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
		850	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		851	SPAGAIN;
		852	FREETMPS;
		853	LEAVE;
		854	PL_runops = runops_trace;
		855	}
		856
		857	oldcxix = cxstack_ix;
		858	}
		859
		860	if (cctx->flags & CC_TRACE_LINE)
		861	{
		862	dSP;
		863
		864	PL_runops = RUNOPS_DEFAULT;
		865	ENTER;
		866	SAVETMPS;
		867	EXTEND (SP, 3);
		868	PL_runops = RUNOPS_DEFAULT;
739	PUSHMARK (SP);	869	PUSHMARK (SP);
740	PUSHs (&PL_sv_yes);	870	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
741	PUSHs (fullname);	871	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;	872	PUTBACK;
744	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	873	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);	874	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
746	SPAGAIN;	875	SPAGAIN;
		876	FREETMPS;
		877	LEAVE;
		878	PL_runops = runops_trace;
747	}	879	}
748
749	oldcxix = cxstack_ix;
750	}	880	}
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	}	881	}
767	}	882	}
768	}	883	}
769		884
770	TAINT_NOT;	885	TAINT_NOT;
…		…
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	static void NOINLINE	1060	static void
943	transfer_check (pTHX_ struct coro prev, struct coro next)	1061	transfer_check (pTHX_ struct coro prev, struct coro next)
944	{	1062	{
945	if (prev != next)	1063	if (expect_true (prev != next))
946	{	1064	{
947	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1065	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
948	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");
949		1067
950	if (next->flags & CF_RUNNING)	1068	if (expect_false (next->flags & CF_RUNNING))
951	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");
952		1070
953	if (next->flags & CF_DESTROYED)	1071	if (expect_false (next->flags & CF_DESTROYED))
954	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");
955		1073
		1074	if (
		1075	#if PERL_VERSION_ATLEAST (5,9,0)
		1076	expect_false (PL_parser)
		1077	#else
956	if (PL_lex_state != LEX_NOTPARSING)	1078	expect_false (PL_lex_state != LEX_NOTPARSING)
		1079	#endif
		1080	)
957	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");
958	}	1082	}
959	}	1083	}
960		1084
961	/* always use the TRANSFER macro */	1085	/* always use the TRANSFER macro */
…		…
963	transfer (pTHX_ struct coro prev, struct coro next)	1087	transfer (pTHX_ struct coro prev, struct coro next)
964	{	1088	{
965	dSTACKLEVEL;	1089	dSTACKLEVEL;
966		1090
967	/* sometimes transfer is only called to set idle_sp */	1091	/* sometimes transfer is only called to set idle_sp */
968	if (!next)	1092	if (expect_false (!next))
969	{	1093	{
970	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
971	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 */
972	}	1096	}
973	else if (prev != next)	1097	else if (expect_true (prev != next))
974	{	1098	{
975	coro_cctx *prev__cctx;	1099	coro_cctx *prev__cctx;
976		1100
977	if (prev->flags & CF_NEW)	1101	if (expect_false (prev->flags & CF_NEW))
978	{	1102	{
979	/* create a new empty context */	1103	/* create a new empty context */
980	Newz (0, prev->cctx, 1, coro_cctx);	1104	Newz (0, prev->cctx, 1, coro_cctx);
981	prev->flags &= ~CF_NEW;	1105	prev->flags &= ~CF_NEW;
982	prev->flags \|= CF_RUNNING;	1106	prev->flags \|= CF_RUNNING;
…		…
985	prev->flags &= ~CF_RUNNING;	1109	prev->flags &= ~CF_RUNNING;
986	next->flags \|= CF_RUNNING;	1110	next->flags \|= CF_RUNNING;
987		1111
988	LOCK;	1112	LOCK;
989		1113
990	if (next->flags & CF_NEW)	1114	if (expect_false (next->flags & CF_NEW))
991	{	1115	{
992	/* need to start coroutine */	1116	/* need to start coroutine */
993	next->flags &= ~CF_NEW;	1117	next->flags &= ~CF_NEW;
994	/* first get rid of the old state */	1118	/* first get rid of the old state */
995	save_perl (aTHX_ prev);	1119	save_perl (aTHX_ prev);
996	/* setup coroutine call */	1120	/* setup coroutine call */
997	setup_coro (aTHX_ next);	1121	coro_setup (aTHX_ next);
998	}	1122	}
999	else	1123	else
1000	{	1124	{
1001	/* coroutine already started */	1125	/* coroutine already started */
1002	save_perl (aTHX_ prev);	1126	save_perl (aTHX_ prev);
…		…
1004	}	1128	}
1005		1129
1006	prev__cctx = prev->cctx;	1130	prev__cctx = prev->cctx;
1007		1131
1008	/* possibly "free" the cctx */	1132	/* possibly "free" the cctx */
1009	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)))
1010	{	1134	{
1011	/* 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 */
1012	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));
1013		1137
1014	prev->cctx = 0;	1138	prev->cctx = 0;
1015		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	next->cctx = cctx_get (aTHX);
		1144
1016	cctx_put (prev__cctx);	1145	cctx_put (prev__cctx);
1017	}	1146	}
1018		1147
		1148	++next->usecount;
		1149
1019	if (!next->cctx)	1150	if (expect_true (!next->cctx))
1020	next->cctx = cctx_get (aTHX);	1151	next->cctx = cctx_get (aTHX);
1021		1152
1022	if (prev__cctx != next->cctx)	1153	if (expect_false (prev__cctx != next->cctx))
1023	{	1154	{
1024	prev__cctx->top_env = PL_top_env;	1155	prev__cctx->top_env = PL_top_env;
1025	PL_top_env = next->cctx->top_env;	1156	PL_top_env = next->cctx->top_env;
1026	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1157	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1027	}	1158	}
1028		1159
1029	free_coro_mortal (aTHX);	1160	free_coro_mortal (aTHX);
1030	UNLOCK;	1161	UNLOCK;
		1162
		1163	if (expect_false (prev->throw \|\| next->throw))
		1164	{
		1165	struct coro *coro = SvSTATE (coro_current);
		1166
		1167	if (coro->throw)
		1168	{
		1169	SV *exception = coro->throw;
		1170	coro->throw = 0;
		1171	sv_setsv (ERRSV, exception);
		1172	croak (0);
		1173	}
		1174	}
1031	}	1175	}
1032	}	1176	}
1033		1177
1034	struct transfer_args	1178	struct transfer_args
1035	{	1179	{
…		…
1062		1206
1063	if (coro->mainstack && coro->mainstack != main_mainstack)	1207	if (coro->mainstack && coro->mainstack != main_mainstack)
1064	{	1208	{
1065	struct coro temp;	1209	struct coro temp;
1066		1210
1067	assert (!(coro->flags & CF_RUNNING));
1068
1069	Zero (&temp, 1, struct coro);
1070	temp.save = CORO_SAVE_ALL;
1071
1072	if (coro->flags & CF_RUNNING)	1211	if (coro->flags & CF_RUNNING)
1073	croak ("FATAL: tried to destroy currently running coroutine");	1212	croak ("FATAL: tried to destroy currently running coroutine");
1074		1213
1075	save_perl (aTHX_ &temp);	1214	save_perl (aTHX_ &temp);
1076	load_perl (aTHX_ coro);	1215	load_perl (aTHX_ coro);
1077		1216
1078	coro_destroy_stacks (aTHX);	1217	coro_destroy (aTHX_ coro);
1079		1218
1080	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1219	load_perl (aTHX_ &temp);
1081		1220
1082	coro->mainstack = 0;	1221	coro->slot = 0;
1083	}	1222	}
1084		1223
1085	cctx_destroy (coro->cctx);	1224	cctx_destroy (coro->cctx);
1086	SvREFCNT_dec (coro->args);	1225	SvREFCNT_dec (coro->args);
1087		1226
…		…
1146		1285
1147	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1286	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1148	TRANSFER (ta);	1287	TRANSFER (ta);
1149	}	1288	}
1150		1289
1151	static int
1152	api_save (SV *coro_sv, int new_save)
1153	{
1154	dTHX;
1155	struct coro *coro = SvSTATE (coro_sv);
1156	int old_save = coro->save;
1157
1158	if (new_save >= 0)
1159	coro->save = new_save;
1160
1161	return old_save;
1162	}
1163
1164	/ Coro ******************************************************************/	1290	/ Coro ******************************************************************/
1165		1291
1166	static void	1292	static void
1167	coro_enq (pTHX_ SV *coro_sv)	1293	coro_enq (pTHX_ SV *coro_sv)
1168	{	1294	{
…		…
1225	{	1351	{
1226	LOCK;	1352	LOCK;
1227	next_sv = coro_deq (aTHX_ PRIO_MIN);	1353	next_sv = coro_deq (aTHX_ PRIO_MIN);
1228		1354
1229	/* nothing to schedule: call the idle handler */	1355	/* nothing to schedule: call the idle handler */
1230	if (!next_sv)	1356	if (expect_false (!next_sv))
1231	{	1357	{
1232	dSP;	1358	dSP;
1233	UNLOCK;	1359	UNLOCK;
1234		1360
1235	ENTER;	1361	ENTER;
…		…
1245	}	1371	}
1246		1372
1247	ta->next = SvSTATE (next_sv);	1373	ta->next = SvSTATE (next_sv);
1248		1374
1249	/* cannot transfer to destroyed coros, skip and look for next */	1375	/* cannot transfer to destroyed coros, skip and look for next */
1250	if (ta->next->flags & CF_DESTROYED)	1376	if (expect_false (ta->next->flags & CF_DESTROYED))
1251	{	1377	{
1252	UNLOCK;	1378	UNLOCK;
1253	SvREFCNT_dec (next_sv);	1379	SvREFCNT_dec (next_sv);
1254	/* coro_nready is already taken care of by destroy */	1380	/* coro_nready is already taken care of by destroy */
1255	continue;	1381	continue;
…		…
1311	dTHX;	1437	dTHX;
1312	struct transfer_args ta;	1438	struct transfer_args ta;
1313		1439
1314	prepare_cede (aTHX_ &ta);	1440	prepare_cede (aTHX_ &ta);
1315		1441
1316	if (ta.prev != ta.next)	1442	if (expect_true (ta.prev != ta.next))
1317	{	1443	{
1318	TRANSFER (ta);	1444	TRANSFER (ta);
1319	return 1;	1445	return 1;
1320	}	1446	}
1321	else	1447	else
…		…
1335	}	1461	}
1336	else	1462	else
1337	return 0;	1463	return 0;
1338	}	1464	}
1339		1465
		1466	static void
		1467	api_trace (SV *coro_sv, int flags)
		1468	{
		1469	dTHX;
		1470	struct coro *coro = SvSTATE (coro_sv);
		1471
		1472	if (flags & CC_TRACE)
		1473	{
		1474	if (!coro->cctx)
		1475	coro->cctx = cctx_new ();
		1476	else if (!(coro->cctx->flags & CC_TRACE))
		1477	croak ("cannot enable tracing on coroutine with custom stack");
		1478
		1479	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
		1480	}
		1481	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1482	{
		1483	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1484
		1485	if (coro->flags & CF_RUNNING)
		1486	PL_runops = RUNOPS_DEFAULT;
		1487	else
		1488	coro->slot->runops = RUNOPS_DEFAULT;
		1489	}
		1490	}
		1491
1340	MODULE = Coro::State PACKAGE = Coro::State	1492	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1341		1493
1342	PROTOTYPES: DISABLE	1494	PROTOTYPES: DISABLE
1343		1495
1344	BOOT:	1496	BOOT:
1345	{	1497	{
1346	#ifdef USE_ITHREADS	1498	#ifdef USE_ITHREADS
1347	MUTEX_INIT (&coro_mutex);	1499	MUTEX_INIT (&coro_mutex);
1348	#endif	1500	#endif
1349	BOOT_PAGESIZE;	1501	BOOT_PAGESIZE;
		1502
		1503	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1504	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1505
		1506	hv_sig = coro_get_hv ("SIG", TRUE);
		1507	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1508	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1509
		1510	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1511	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1350		1512
1351	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1513	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1352		1514
1353	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1515	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1354	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1355	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1356	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1518	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1357		1519
1358	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1359	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1360	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1361	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1362	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1363	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1364	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1365
1366	main_mainstack = PL_mainstack;	1520	main_mainstack = PL_mainstack;
1367	main_top_env = PL_top_env;	1521	main_top_env = PL_top_env;
1368		1522
1369	while (main_top_env->je_prev)	1523	while (main_top_env->je_prev)
1370	main_top_env = main_top_env->je_prev;	1524	main_top_env = main_top_env->je_prev;
…		…
1382	struct coro *coro;	1536	struct coro *coro;
1383	HV *hv;	1537	HV *hv;
1384	int i;	1538	int i;
1385		1539
1386	Newz (0, coro, 1, struct coro);	1540	Newz (0, coro, 1, struct coro);
1387	coro->args = newAV ();	1541	coro->args = newAV ();
1388	coro->save = CORO_SAVE_DEF;
1389	coro->flags = CF_NEW;	1542	coro->flags = CF_NEW;
1390		1543
1391	if (coro_first) coro_first->prev = coro;	1544	if (coro_first) coro_first->prev = coro;
1392	coro->next = coro_first;	1545	coro->next = coro_first;
1393	coro_first = coro;	1546	coro_first = coro;
1394		1547
1395	coro->hv = hv = newHV ();	1548	coro->hv = hv = newHV ();
1396	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1549	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1397	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1550	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1398		1551
		1552	av_extend (coro->args, items - 1);
1399	for (i = 1; i < items; i++)	1553	for (i = 1; i < items; i++)
1400	av_push (coro->args, newSVsv (ST (i)));	1554	av_push (coro->args, newSVsv (ST (i)));
1401	}	1555	}
1402	OUTPUT:	1556	OUTPUT:
1403	RETVAL	1557	RETVAL
1404		1558
1405	int	1559	# these not obviously related functions are all rolled into the same xs
1406	save (SV *coro, int new_save = -1)	1560	# function to increase chances that they all will call transfer with the same
1407	CODE:	1561	# stack offset
1408	RETVAL = api_save (coro, new_save);
1409	OUTPUT:
1410	RETVAL
1411
1412	int
1413	save_also (SV *coro_sv, int save_also)
1414	CODE:
1415	{
1416	struct coro *coro = SvSTATE (coro_sv);
1417	RETVAL = coro->save;
1418	coro->save \|= save_also;
1419	}
1420	OUTPUT:
1421	RETVAL
1422
1423	void	1562	void
1424	_set_stacklevel (...)	1563	_set_stacklevel (...)
1425	ALIAS:	1564	ALIAS:
1426	Coro::State::transfer = 1	1565	Coro::State::transfer = 1
1427	Coro::schedule = 2	1566	Coro::schedule = 2
…		…
1461	}	1600	}
1462		1601
1463	BARRIER;	1602	BARRIER;
1464	TRANSFER (ta);	1603	TRANSFER (ta);
1465		1604
1466	if (GIMME_V != G_VOID && ta.next != ta.prev)	1605	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1467	XSRETURN_YES;	1606	XSRETURN_YES;
1468	}	1607	}
1469		1608
1470	bool	1609	bool
1471	_destroy (SV *coro_sv)	1610	_destroy (SV *coro_sv)
…		…
1521	CODE:	1660	CODE:
1522	{	1661	{
1523	if (coro->mainstack)	1662	if (coro->mainstack)
1524	{	1663	{
1525	struct coro temp;	1664	struct coro temp;
1526	Zero (&temp, 1, struct coro);
1527	temp.save = CORO_SAVE_ALL;
1528		1665
1529	if (!(coro->flags & CF_RUNNING))	1666	if (!(coro->flags & CF_RUNNING))
1530	{	1667	{
1531	save_perl (aTHX_ &temp);	1668	save_perl (aTHX_ &temp);
1532	load_perl (aTHX_ coro);	1669	load_perl (aTHX_ coro);
…		…
1536	dSP;	1673	dSP;
1537	ENTER;	1674	ENTER;
1538	SAVETMPS;	1675	SAVETMPS;
1539	PUSHMARK (SP);	1676	PUSHMARK (SP);
1540	PUTBACK;	1677	PUTBACK;
		1678
1541	if (ix)	1679	if (ix)
1542	eval_sv (coderef, 0);	1680	eval_sv (coderef, 0);
1543	else	1681	else
1544	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1682	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1683
1545	SPAGAIN;	1684	SPAGAIN;
1546	FREETMPS;	1685	FREETMPS;
1547	LEAVE;	1686	LEAVE;
1548	PUTBACK;	1687	PUTBACK;
1549	}	1688	}
…		…
1553	save_perl (aTHX_ coro);	1692	save_perl (aTHX_ coro);
1554	load_perl (aTHX_ &temp);	1693	load_perl (aTHX_ &temp);
1555	}	1694	}
1556	}	1695	}
1557	}	1696	}
1558		1697
1559	SV *	1698	SV *
1560	is_ready (Coro::State coro)	1699	is_ready (Coro::State coro)
1561	PROTOTYPE: $	1700	PROTOTYPE: $
1562	ALIAS:	1701	ALIAS:
1563	is_ready = CF_READY	1702	is_ready = CF_READY
…		…
1568	RETVAL = boolSV (coro->flags & ix);	1707	RETVAL = boolSV (coro->flags & ix);
1569	OUTPUT:	1708	OUTPUT:
1570	RETVAL	1709	RETVAL
1571		1710
1572	void	1711	void
1573	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1712	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1574	CODE:
1575	if (flags & CC_TRACE)
1576	{
1577	if (!coro->cctx)
1578	coro->cctx = cctx_new ();
1579	else if (!(coro->cctx->flags & CC_TRACE))
1580	croak ("cannot enable tracing on coroutine with custom stack");
1581
1582	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
1583	}
1584	else
1585	if (coro->cctx && coro->cctx->flags & CC_TRACE)
1586	{
1587	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1588	coro->cctx->flags \|= CC_NOREUSE;
1589
1590	if (coro->flags & CF_RUNNING)
1591	PL_runops = RUNOPS_DEFAULT;
1592	else
1593	coro->runops = RUNOPS_DEFAULT;
1594	}
1595		1713
1596	SV *	1714	SV *
1597	has_stack (Coro::State coro)	1715	has_stack (Coro::State coro)
1598	PROTOTYPE: $	1716	PROTOTYPE: $
1599	CODE:	1717	CODE:
…		…
1610	RETVAL	1728	RETVAL
1611		1729
1612	IV	1730	IV
1613	rss (Coro::State coro)	1731	rss (Coro::State coro)
1614	PROTOTYPE: $	1732	PROTOTYPE: $
		1733	ALIAS:
		1734	usecount = 1
1615	CODE:	1735	CODE:
1616	RETVAL = coro_rss (coro);	1736	switch (ix)
		1737	{
		1738	case 0: RETVAL = coro_rss (aTHX_ coro); break;
		1739	case 1: RETVAL = coro->usecount; break;
		1740	}
1617	OUTPUT:	1741	OUTPUT:
1618	RETVAL	1742	RETVAL
1619		1743
1620		1744
1621	MODULE = Coro::State PACKAGE = Coro	1745	MODULE = Coro::State PACKAGE = Coro
1622		1746
1623	BOOT:	1747	BOOT:
1624	{	1748	{
1625	int i;	1749	int i;
1626		1750
1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1751	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1752	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1629	av_async_pool = get_av ("Coro::async_pool", TRUE);	1753	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1630		1754
1631	coro_current = get_sv ("Coro::current", FALSE);	1755	coro_current = coro_get_sv ("Coro::current", FALSE);
1632	SvREADONLY_on (coro_current);	1756	SvREADONLY_on (coro_current);
1633		1757
1634	coro_stash = gv_stashpv ("Coro", TRUE);	1758	coro_stash = gv_stashpv ("Coro", TRUE);
1635		1759
1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1760	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1637	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1761	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1638	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1762	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1639	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1763	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1642		1766
1643	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1767	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1644	coro_ready[i] = newAV ();	1768	coro_ready[i] = newAV ();
1645		1769
1646	{	1770	{
1647	SV *sv = perl_get_sv("Coro::API", 1);	1771	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1772	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1648		1773
1649	coroapi.schedule = api_schedule;	1774	coroapi.schedule = api_schedule;
1650	coroapi.save = api_save;
1651	coroapi.cede = api_cede;	1775	coroapi.cede = api_cede;
1652	coroapi.cede_notself = api_cede_notself;	1776	coroapi.cede_notself = api_cede_notself;
1653	coroapi.ready = api_ready;	1777	coroapi.ready = api_ready;
1654	coroapi.is_ready = api_is_ready;	1778	coroapi.is_ready = api_is_ready;
1655	coroapi.nready = &coro_nready;	1779	coroapi.nready = &coro_nready;
…		…
1704	CODE:	1828	CODE:
1705	RETVAL = coro_nready;	1829	RETVAL = coro_nready;
1706	OUTPUT:	1830	OUTPUT:
1707	RETVAL	1831	RETVAL
1708		1832
		1833	void
		1834	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1835	PROTOTYPE: $;$
		1836	CODE:
		1837	SvREFCNT_dec (self->throw);
		1838	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1839
1709	# for async_pool speedup	1840	# for async_pool speedup
1710	void	1841	void
1711	_pool_1 (SV *cb)	1842	_pool_1 (SV *cb)
1712	CODE:	1843	CODE:
1713	{	1844	{
1714	int i, len;	1845	struct coro *coro = SvSTATE (coro_current);
1715	HV hv = (HV )SvRV (coro_current);	1846	HV hv = (HV )SvRV (coro_current);
1716	AV *defav = GvAV (PL_defgv);	1847	AV *defav = GvAV (PL_defgv);
1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1848	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1718	AV *invoke_av;	1849	AV *invoke_av;
		1850	int i, len;
1719		1851
1720	if (!invoke)	1852	if (!invoke)
1721	croak ("\3terminate\2\n");	1853	croak ("\3async_pool terminate\2\n");
		1854
		1855	SvREFCNT_dec (coro->saved_deffh);
		1856	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1722		1857
1723	hv_store (hv, "desc", sizeof ("desc") - 1,	1858	hv_store (hv, "desc", sizeof ("desc") - 1,
1724	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1859	newSVpvn (strpair ("[async_pool]")), 0);
1725		1860
1726	invoke_av = (AV *)SvRV (invoke);	1861	invoke_av = (AV *)SvRV (invoke);
1727	len = av_len (invoke_av);	1862	len = av_len (invoke_av);
1728		1863
1729	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1864	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1744	{	1879	{
1745	struct coro *coro = SvSTATE (coro_current);	1880	struct coro *coro = SvSTATE (coro_current);
1746		1881
1747	sv_setsv (cb, &PL_sv_undef);	1882	sv_setsv (cb, &PL_sv_undef);
1748		1883
		1884	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1885	coro->saved_deffh = 0;
		1886
1749	if (coro_rss (coro) > SvIV (sv_pool_rss)	1887	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1750	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1888	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1751	croak ("\3terminate\2\n");	1889	croak ("\3async_pool terminate\2\n");
1752		1890
1753	av_clear (GvAV (PL_defgv));	1891	av_clear (GvAV (PL_defgv));
1754	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1892	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1755	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1893	newSVpvn (strpair ("[async_pool idle]")), 0);
1756	coro->save = CORO_SAVE_DEF;	1894
1757	coro->prio = 0;	1895	coro->prio = 0;
		1896
		1897	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1898	api_trace (coro_current, 0);
		1899
1758	av_push (av_async_pool, newSVsv (coro_current));	1900	av_push (av_async_pool, newSVsv (coro_current));
1759	}	1901	}
1760		1902
1761		1903
1762	MODULE = Coro::State PACKAGE = Coro::AIO	1904	MODULE = Coro::State PACKAGE = Coro::AIO

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Comparing Coro/Coro/State.xs (file contents): Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC vs. Revision 1.200 by root, Sun Oct 7 15:08:23 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC vs.
Revision 1.200 by root, Sun Oct 7 15:08:23 2007 UTC