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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.180 by root, Wed Oct 3 17:12:20 2007 UTC vs.
Revision 1.201 by root, Mon Oct 8 01:23:14 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;
…		…
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 */
136		152
137	static GV irsgv; / $/ */	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;
138		159
139	/* async_pool helper stuff */	160	/* async_pool helper stuff */
140	static SV *sv_pool_rss;	161	static SV *sv_pool_rss;
141	static SV *sv_pool_size;	162	static SV *sv_pool_size;
142	static AV *av_async_pool;	163	static AV *av_async_pool;
…		…
178	CF_READY = 0x0002, /* coroutine is ready */	199	CF_READY = 0x0002, /* coroutine is ready */
179	CF_NEW = 0x0004, /* has never been switched to */	200	CF_NEW = 0x0004, /* has never been switched to */
180	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	201	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
181	};	202	};
182		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
183	/* this is a structure representing a perl-level coroutine */	217	/* this is a structure representing a perl-level coroutine */
184	struct coro {	218	struct coro {
185	/* the c coroutine allocated to this perl coroutine, if any */	219	/* the c coroutine allocated to this perl coroutine, if any */
186	coro_cctx *cctx;	220	coro_cctx *cctx;
187		221
		222	/* process data */
		223	AV *mainstack;
		224	perl_slots slot; / basically the saved sp */
		225
188	/* data associated with this coroutine (initial args) */	226	/* data associated with this coroutine (initial args) */
189	AV *args;	227	AV *args;
190	int refcnt;	228	int refcnt;
191	int flags; /* CF_ flags */	229	int flags; /* CF_ flags */
192		230
193	/* optionally saved, might be zero */
194	AV defav; / @_ */
195	SV defsv; / $_ */
196	SV errsv; / $@ */
197	IO deffh; / default filehandle */
198	SV irssv; / $/ */
199	SV irssv_sv; / real $/ cache */
200
201	#define VAR(name,type) type name;
202	# include "state.h"
203	#undef VAR
204
205	/* statistics */	231	/* statistics */
206	int usecount; /* number of switches to this coro */	232	int usecount; /* number of transfers to this coro */
207		233
208	/* coro process data */	234	/* coro process data */
209	int prio;	235	int prio;
		236	SV *throw;
		237
		238	/* async_pool */
		239	SV *saved_deffh;
210		240
211	/* linked list */	241	/* linked list */
212	struct coro next, prev;	242	struct coro next, prev;
213	HV hv; / the perl hash associated with this coro, if any */	243	HV hv; / the perl hash associated with this coro, if any */
214	};	244	};
…		…
230	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
231	static int coro_nready;	261	static int coro_nready;
232	static struct coro *coro_first;	262	static struct coro *coro_first;
233		263
234	/ 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	}
235		295
236	static AV *	296	static AV *
237	coro_clone_padlist (pTHX_ CV *cv)	297	coro_clone_padlist (pTHX_ CV *cv)
238	{	298	{
239	AV *padlist = CvPADLIST (cv);	299	AV *padlist = CvPADLIST (cv);
…		…
312	MAGIC *mg;	372	MAGIC *mg;
313		373
314	if (SvROK (coro))	374	if (SvROK (coro))
315	coro = SvRV (coro);	375	coro = SvRV (coro);
316		376
317	if (SvTYPE (coro) != SVt_PVHV)	377	if (expect_false (SvTYPE (coro) != SVt_PVHV))
318	croak ("Coro::State object required");	378	croak ("Coro::State object required");
319		379
320	stash = SvSTASH (coro);	380	stash = SvSTASH (coro);
321	if (stash != coro_stash && stash != coro_state_stash)	381	if (expect_false (stash != coro_stash && stash != coro_state_stash))
322	{	382	{
323	/* very slow, but rare, check */	383	/* very slow, but rare, check */
324	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
325	croak ("Coro::State object required");	385	croak ("Coro::State object required");
326	}	386	}
…		…
336	get_padlist (pTHX_ CV *cv)	396	get_padlist (pTHX_ CV *cv)
337	{	397	{
338	MAGIC *mg = CORO_MAGIC (cv);	398	MAGIC *mg = CORO_MAGIC (cv);
339	AV *av;	399	AV *av;
340		400
341	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
342	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
343	else	403	else
344	{	404	{
345	#if CORO_PREFER_PERL_FUNCTIONS	405	#if CORO_PREFER_PERL_FUNCTIONS
346	/* this is probably cleaner, but also slower? */	406	/* this is probably cleaner, but also slower? */
…		…
358	put_padlist (pTHX_ CV *cv)	418	put_padlist (pTHX_ CV *cv)
359	{	419	{
360	MAGIC *mg = CORO_MAGIC (cv);	420	MAGIC *mg = CORO_MAGIC (cv);
361	AV *av;	421	AV *av;
362		422
363	if (!mg)	423	if (expect_false (!mg))
364	{	424	{
365	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
366	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
367	mg->mg_virtual = &vtbl_coro;	427	mg->mg_virtual = &vtbl_coro;
368	mg->mg_obj = (SV *)newAV ();	428	mg->mg_obj = (SV *)newAV ();
369	}	429	}
370		430
371	av = (AV *)mg->mg_obj;	431	av = (AV *)mg->mg_obj;
372		432
373	if (AvFILLp (av) >= AvMAX (av))	433	if (expect_false (AvFILLp (av) >= AvMAX (av)))
374	av_extend (av, AvMAX (av) + 1);	434	av_extend (av, AvMAX (av) + 1);
375		435
376	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	436	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
377	}	437	}
378		438
379	/ load & save, init *****************************************************/	439	/ load & save, init *****************************************************/
380		440
381	static void	441	static void
382	load_perl (pTHX_ Coro__State c)	442	load_perl (pTHX_ Coro__State c)
383	{	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
384	#define VAR(name,type) PL_ ## name = c->name;	454	#define VAR(name,type) PL_ ## name = slot->name;
385	# include "state.h"	455	# include "state.h"
386	#undef VAR	456	#undef VAR
387
388	GvSV (PL_defgv) = c->defsv;
389	GvAV (PL_defgv) = c->defav;
390	GvSV (PL_errgv) = c->errsv;
391	PL_defoutgv = c->deffh;
392	PL_rs = c->irssv;
393	GvSV (irsgv) = c->irssv_sv;
394		457
395	{	458	{
396	dSP;	459	dSP;
		460
397	CV *cv;	461	CV *cv;
398		462
399	/* now do the ugly restore mess */	463	/* now do the ugly restore mess */
400	while ((cv = (CV *)POPs))	464	while (expect_true (cv = (CV *)POPs))
401	{	465	{
402	put_padlist (aTHX_ cv); /* mark this padlist as available */	466	put_padlist (aTHX_ cv); /* mark this padlist as available */
403	CvDEPTH (cv) = PTR2IV (POPs);	467	CvDEPTH (cv) = PTR2IV (POPs);
404	CvPADLIST (cv) = (AV *)POPs;	468	CvPADLIST (cv) = (AV *)POPs;
405	}	469	}
…		…
424		488
425	XPUSHs (Nullsv);	489	XPUSHs (Nullsv);
426	/* this loop was inspired by pp_caller */	490	/* this loop was inspired by pp_caller */
427	for (;;)	491	for (;;)
428	{	492	{
429	while (cxix >= 0)	493	while (expect_true (cxix >= 0))
430	{	494	{
431	PERL_CONTEXT *cx = &ccstk[cxix--];	495	PERL_CONTEXT *cx = &ccstk[cxix--];
432		496
433	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	497	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
434	{	498	{
435	CV *cv = cx->blk_sub.cv;	499	CV *cv = cx->blk_sub.cv;
436		500
437	if (CvDEPTH (cv))	501	if (expect_true (CvDEPTH (cv)))
438	{	502	{
439	EXTEND (SP, 3);	503	EXTEND (SP, 3);
440	PUSHs ((SV *)CvPADLIST (cv));	504	PUSHs ((SV *)CvPADLIST (cv));
441	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	505	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
442	PUSHs ((SV *)cv);	506	PUSHs ((SV *)cv);
…		…
445	get_padlist (aTHX_ cv);	509	get_padlist (aTHX_ cv);
446	}	510	}
447	}	511	}
448	}	512	}
449		513
450	if (top_si->si_type == PERLSI_MAIN)	514	if (expect_true (top_si->si_type == PERLSI_MAIN))
451	break;	515	break;
452		516
453	top_si = top_si->si_prev;	517	top_si = top_si->si_prev;
454	ccstk = top_si->si_cxstack;	518	ccstk = top_si->si_cxstack;
455	cxix = top_si->si_cxix;	519	cxix = top_si->si_cxix;
456	}	520	}
457		521
458	PUTBACK;	522	PUTBACK;
459	}	523	}
460		524
		525	/* allocate some space on the context stack for our purposes */
		526	{
		527	/* we manually unroll here, as usually 2 slots is enough */
		528	int i;
		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;
		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
461	c->defav = GvAV (PL_defgv);	543	slot->defav = GvAV (PL_defgv);
462	c->defsv = DEFSV;	544	slot->defsv = DEFSV;
463	c->errsv = ERRSV;	545	slot->errsv = ERRSV;
464	c->deffh = PL_defoutgv;
465	c->irssv = PL_rs;
466	c->irssv_sv = GvSV (irsgv);	546	slot->irsgv = GvSV (irsgv);
467		547
468	#define VAR(name,type)c->name = PL_ ## name;	548	#define VAR(name,type) slot->name = PL_ ## name;
469	# include "state.h"	549	# include "state.h"
470	#undef VAR	550	#undef VAR
		551	}
471	}	552	}
472		553
473	/*	554	/*
474	* allocate various perl stacks. This is an exact copy	555	* allocate various perl stacks. This is an exact copy
475	* of perl.c:init_stacks, except that it uses less memory	556	* of perl.c:init_stacks, except that it uses less memory
…		…
480	# define coro_init_stacks init_stacks	561	# define coro_init_stacks init_stacks
481	#else	562	#else
482	static void	563	static void
483	coro_init_stacks (pTHX)	564	coro_init_stacks (pTHX)
484	{	565	{
485	PL_curstackinfo = new_stackinfo(64, 6);	566	PL_curstackinfo = new_stackinfo(32, 8);
486	PL_curstackinfo->si_type = PERLSI_MAIN;	567	PL_curstackinfo->si_type = PERLSI_MAIN;
487	PL_curstack = PL_curstackinfo->si_stack;	568	PL_curstack = PL_curstackinfo->si_stack;
488	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	569	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
489		570
490	PL_stack_base = AvARRAY(PL_curstack);	571	PL_stack_base = AvARRAY(PL_curstack);
491	PL_stack_sp = PL_stack_base;	572	PL_stack_sp = PL_stack_base;
492	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	573	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
493		574
494	New(50,PL_tmps_stack,64,SV*);	575	New(50,PL_tmps_stack,32,SV*);
495	PL_tmps_floor = -1;	576	PL_tmps_floor = -1;
496	PL_tmps_ix = -1;	577	PL_tmps_ix = -1;
497	PL_tmps_max = 64;	578	PL_tmps_max = 32;
498		579
499	New(54,PL_markstack,16,I32);	580	New(54,PL_markstack,16,I32);
500	PL_markstack_ptr = PL_markstack;	581	PL_markstack_ptr = PL_markstack;
501	PL_markstack_max = PL_markstack + 16;	582	PL_markstack_max = PL_markstack + 16;
502		583
503	#ifdef SET_MARK_OFFSET	584	#ifdef SET_MARK_OFFSET
504	SET_MARK_OFFSET;	585	SET_MARK_OFFSET;
505	#endif	586	#endif
506		587
507	New(54,PL_scopestack,16,I32);	588	New(54,PL_scopestack,8,I32);
508	PL_scopestack_ix = 0;	589	PL_scopestack_ix = 0;
509	PL_scopestack_max = 16;	590	PL_scopestack_max = 8;
510		591
511	New(54,PL_savestack,64,ANY);	592	New(54,PL_savestack,24,ANY);
512	PL_savestack_ix = 0;	593	PL_savestack_ix = 0;
513	PL_savestack_max = 64;	594	PL_savestack_max = 24;
514		595
515	#if !PERL_VERSION_ATLEAST (5,9,0)	596	#if !PERL_VERSION_ATLEAST (5,9,0)
516	New(54,PL_retstack,4,OP*);	597	New(54,PL_retstack,4,OP*);
517	PL_retstack_ix = 0;	598	PL_retstack_ix = 0;
518	PL_retstack_max = 4;	599	PL_retstack_max = 4;
…		…
551	}	632	}
552		633
553	static size_t	634	static size_t
554	coro_rss (pTHX_ struct coro *coro)	635	coro_rss (pTHX_ struct coro *coro)
555	{	636	{
556	size_t rss = sizeof (coro);	637	size_t rss = sizeof (*coro);
557		638
558	if (coro->mainstack)	639	if (coro->mainstack)
559	{	640	{
		641	perl_slots tmp_slot;
		642	perl_slots *slot;
		643
560	if (coro->flags & CF_RUNNING)	644	if (coro->flags & CF_RUNNING)
561	{	645	{
		646	slot = &tmp_slot;
		647
562	#define VAR(name,type)coro->name = PL_ ## name;	648	#define VAR(name,type) slot->name = PL_ ## name;
563	# include "state.h"	649	# include "state.h"
564	#undef VAR	650	#undef VAR
565	}	651	}
		652	else
		653	slot = coro->slot;
566		654
567	rss += sizeof (coro->curstackinfo);	655	rss += sizeof (slot->curstackinfo);
568	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
569	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
571	rss += coro->tmps_max * sizeof (SV *);	658	rss += slot->tmps_max * sizeof (SV *);
572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
573	rss += coro->scopestack_max * sizeof (I32);	660	rss += slot->scopestack_max * sizeof (I32);
574	rss += coro->savestack_max * sizeof (ANY);	661	rss += slot->savestack_max * sizeof (ANY);
575		662
576	#if !PERL_VERSION_ATLEAST (5,9,0)	663	#if !PERL_VERSION_ATLEAST (5,9,0)
577	rss += coro->retstack_max * sizeof (OP *);	664	rss += slot->retstack_max * sizeof (OP *);
578	#endif	665	#endif
579	}	666	}
580		667
581	return rss;	668	return rss;
582	}	669	}
…		…
594	PL_runops = RUNOPS_DEFAULT;	681	PL_runops = RUNOPS_DEFAULT;
595	PL_curcop = &PL_compiling;	682	PL_curcop = &PL_compiling;
596	PL_in_eval = EVAL_NULL;	683	PL_in_eval = EVAL_NULL;
597	PL_comppad = 0;	684	PL_comppad = 0;
598	PL_curpm = 0;	685	PL_curpm = 0;
		686	PL_curpad = 0;
599	PL_localizing = 0;	687	PL_localizing = 0;
600	PL_dirty = 0;	688	PL_dirty = 0;
601	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);
602		692
603	GvSV (PL_defgv) = NEWSV (0, 0);	693	GvSV (PL_defgv) = newSV (0);
604	GvAV (PL_defgv) = coro->args; coro->args = 0;	694	GvAV (PL_defgv) = coro->args; coro->args = 0;
605	GvSV (PL_errgv) = NEWSV (0, 0);	695	GvSV (PL_errgv) = newSV (0);
606	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607	PL_rs = newSVsv (GvSV (irsgv));	697	PL_rs = newSVsv (GvSV (irsgv));
608		698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
609	{
610	IO *io = newIO ();
611	PL_defoutgv = newGVgen ("Coro");
612	GvIOp(PL_defoutgv) = io;
613	IoTYPE (io) = IoTYPE_WRONLY;
614	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
615	IoFLAGS (io) \|= IOf_FLUSH;
616	}
617		699
618	{	700	{
619	dSP;	701	dSP;
620	LOGOP myop;	702	LOGOP myop;
621		703
622	Zero (&myop, 1, LOGOP);	704	Zero (&myop, 1, LOGOP);
623	myop.op_next = Nullop;	705	myop.op_next = Nullop;
624	myop.op_flags = OPf_WANT_VOID;	706	myop.op_flags = OPf_WANT_VOID;
625		707
626	PUSHMARK (SP);	708	PUSHMARK (SP);
627	XPUSHs (av_shift (GvAV (PL_defgv)));	709	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
628	PUTBACK;	710	PUTBACK;
629	PL_op = (OP *)&myop;	711	PL_op = (OP *)&myop;
630	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
631	SPAGAIN;	713	SPAGAIN;
632	}	714	}
633		715
634	ENTER; /* necessary e.g. for dounwind */	716	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
635	}	717	}
636		718
637	static void	719	static void
638	coro_destroy (pTHX_ struct coro *coro)	720	coro_destroy (pTHX_ struct coro *coro)
639	{	721	{
…		…
659	SvREFCNT_dec (GvSV (PL_errgv));	741	SvREFCNT_dec (GvSV (PL_errgv));
660	SvREFCNT_dec (PL_defoutgv);	742	SvREFCNT_dec (PL_defoutgv);
661	SvREFCNT_dec (PL_rs);	743	SvREFCNT_dec (PL_rs);
662	SvREFCNT_dec (GvSV (irsgv));	744	SvREFCNT_dec (GvSV (irsgv));
663		745
		746	SvREFCNT_dec (PL_diehook);
		747	SvREFCNT_dec (PL_warnhook);
		748
		749	SvREFCNT_dec (coro->saved_deffh);
		750	SvREFCNT_dec (coro->throw);
		751
664	coro_destroy_stacks (aTHX);	752	coro_destroy_stacks (aTHX);
665	}	753	}
666		754
667	static void	755	static void
668	free_coro_mortal (pTHX)	756	free_coro_mortal (pTHX)
669	{	757	{
670	if (coro_mortal)	758	if (expect_true (coro_mortal))
671	{	759	{
672	SvREFCNT_dec (coro_mortal);	760	SvREFCNT_dec (coro_mortal);
673	coro_mortal = 0;	761	coro_mortal = 0;
674	}	762	}
675	}	763	}
…		…
704	bot = PL_stack_base + cx->blk_oldsp + 1;	792	bot = PL_stack_base + cx->blk_oldsp + 1;
705	top = cx->blk_gimme == G_ARRAY ? SP + 1	793	top = cx->blk_gimme == G_ARRAY ? SP + 1
706	: cx->blk_gimme == G_SCALAR ? bot + 1	794	: cx->blk_gimme == G_SCALAR ? bot + 1
707	: bot;	795	: bot;
708		796
		797	av_extend (av, top - bot);
709	while (bot < top)	798	while (bot < top)
710	av_push (av, SvREFCNT_inc (*bot++));	799	av_push (av, SvREFCNT_inc (*bot++));
711		800
712	PL_runops = RUNOPS_DEFAULT;	801	PL_runops = RUNOPS_DEFAULT;
713	ENTER;	802	ENTER;
…		…
716	PUSHMARK (SP);	805	PUSHMARK (SP);
717	PUSHs (&PL_sv_no);	806	PUSHs (&PL_sv_no);
718	PUSHs (fullname);	807	PUSHs (fullname);
719	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	808	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
720	PUTBACK;	809	PUTBACK;
721	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	810	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
722	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	811	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
723	SPAGAIN;	812	SPAGAIN;
724	FREETMPS;	813	FREETMPS;
725	LEAVE;	814	LEAVE;
726	PL_runops = runops_trace;	815	PL_runops = runops_trace;
…		…
755	PUSHMARK (SP);	844	PUSHMARK (SP);
756	PUSHs (&PL_sv_yes);	845	PUSHs (&PL_sv_yes);
757	PUSHs (fullname);	846	PUSHs (fullname);
758	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	847	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
759	PUTBACK;	848	PUTBACK;
760	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	849	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
761	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	850	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
762	SPAGAIN;	851	SPAGAIN;
763	FREETMPS;	852	FREETMPS;
764	LEAVE;	853	LEAVE;
765	PL_runops = runops_trace;	854	PL_runops = runops_trace;
…		…
779	PL_runops = RUNOPS_DEFAULT;	868	PL_runops = RUNOPS_DEFAULT;
780	PUSHMARK (SP);	869	PUSHMARK (SP);
781	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	870	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
782	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	871	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
783	PUTBACK;	872	PUTBACK;
784	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	873	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
785	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);
786	SPAGAIN;	875	SPAGAIN;
787	FREETMPS;	876	FREETMPS;
788	LEAVE;	877	LEAVE;
789	PL_runops = runops_trace;	878	PL_runops = runops_trace;
…		…
799		888
800	/* inject a fake call to Coro::State::_cctx_init into the execution */	889	/* inject a fake call to Coro::State::_cctx_init into the execution */
801	/* _cctx_init should be careful, as it could be called at almost any time */	890	/* _cctx_init should be careful, as it could be called at almost any time */
802	/* during execution of a perl program */	891	/* during execution of a perl program */
803	static void NOINLINE	892	static void NOINLINE
804	prepare_cctx (pTHX_ coro_cctx *cctx)	893	cctx_prepare (pTHX_ coro_cctx *cctx)
805	{	894	{
806	dSP;	895	dSP;
807	LOGOP myop;	896	LOGOP myop;
808		897
809	PL_top_env = &PL_start_env;	898	PL_top_env = &PL_start_env;
…		…
827		916
828	/*	917	/*
829	* this is a _very_ stripped down perl interpreter ;)	918	* this is a _very_ stripped down perl interpreter ;)
830	*/	919	*/
831	static void	920	static void
832	coro_run (void *arg)	921	cctx_run (void *arg)
833	{	922	{
834	dTHX;	923	dTHX;
835		924
836	/* coro_run is the alternative tail of transfer(), so unlock here. */	925	/* cctx_run is the alternative tail of transfer(), so unlock here. */
837	UNLOCK;	926	UNLOCK;
838		927
839	/* we now skip the entersub that lead to transfer() */	928	/* we now skip the entersub that lead to transfer() */
840	PL_op = PL_op->op_next;	929	PL_op = PL_op->op_next;
841		930
842	/* inject a fake subroutine call to cctx_init */	931	/* inject a fake subroutine call to cctx_init */
843	prepare_cctx (aTHX_ (coro_cctx *)arg);	932	cctx_prepare (aTHX_ (coro_cctx *)arg);
844		933
845	/* somebody or something will hit me for both perl_run and PL_restartop */	934	/* somebody or something will hit me for both perl_run and PL_restartop */
846	PL_restartop = PL_op;	935	PL_restartop = PL_op;
847	perl_run (PL_curinterp);	936	perl_run (PL_curinterp);
848		937
…		…
867	++cctx_count;	956	++cctx_count;
868		957
869	Newz (0, cctx, 1, coro_cctx);	958	Newz (0, cctx, 1, coro_cctx);
870		959
871	#if HAVE_MMAP	960	#if HAVE_MMAP
872
873	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	961	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
874	/* mmap supposedly does allocate-on-write for us */	962	/* mmap supposedly does allocate-on-write for us */
875	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	963	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
876		964
877	if (cctx->sptr != (void *)-1)	965	if (cctx->sptr != (void *)-1)
…		…
898	stack_start = cctx->sptr;	986	stack_start = cctx->sptr;
899	stack_size = cctx->ssize;	987	stack_size = cctx->ssize;
900	}	988	}
901		989
902	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	990	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
903	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	991	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
904		992
905	return cctx;	993	return cctx;
906	}	994	}
907		995
908	static void	996	static void
…		…
925	Safefree (cctx->sptr);	1013	Safefree (cctx->sptr);
926		1014
927	Safefree (cctx);	1015	Safefree (cctx);
928	}	1016	}
929		1017
		1018	/* wether this cctx should be destructed */
		1019	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1020
930	static coro_cctx *	1021	static coro_cctx *
931	cctx_get (pTHX)	1022	cctx_get (pTHX)
932	{	1023	{
933	while (cctx_first)	1024	while (expect_true (cctx_first))
934	{	1025	{
935	coro_cctx *cctx = cctx_first;	1026	coro_cctx *cctx = cctx_first;
936	cctx_first = cctx->next;	1027	cctx_first = cctx->next;
937	--cctx_idle;	1028	--cctx_idle;
938		1029
939	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1030	if (expect_true (!CCTX_EXPIRED (cctx)))
940	return cctx;	1031	return cctx;
941		1032
942	cctx_destroy (cctx);	1033	cctx_destroy (cctx);
943	}	1034	}
944		1035
…		…
947		1038
948	static void	1039	static void
949	cctx_put (coro_cctx *cctx)	1040	cctx_put (coro_cctx *cctx)
950	{	1041	{
951	/* free another cctx if overlimit */	1042	/* free another cctx if overlimit */
952	if (cctx_idle >= MAX_IDLE_CCTX)	1043	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
953	{	1044	{
954	coro_cctx *first = cctx_first;	1045	coro_cctx *first = cctx_first;
955	cctx_first = first->next;	1046	cctx_first = first->next;
956	--cctx_idle;	1047	--cctx_idle;
957		1048
…		…
963	cctx_first = cctx;	1054	cctx_first = cctx;
964	}	1055	}
965		1056
966	/ coroutine switching ***************************************************/	1057	/ coroutine switching ***************************************************/
967		1058
968	static void NOINLINE	1059	static void
969	transfer_check (pTHX_ struct coro prev, struct coro next)	1060	transfer_check (pTHX_ struct coro prev, struct coro next)
970	{	1061	{
971	if (prev != next)	1062	if (expect_true (prev != next))
972	{	1063	{
973	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1064	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
974	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1065	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
975		1066
976	if (next->flags & CF_RUNNING)	1067	if (expect_false (next->flags & CF_RUNNING))
977	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1068	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
978		1069
979	if (next->flags & CF_DESTROYED)	1070	if (expect_false (next->flags & CF_DESTROYED))
980	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1071	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
981		1072
		1073	if (
		1074	#if PERL_VERSION_ATLEAST (5,9,0)
		1075	expect_false (PL_parser)
		1076	#else
982	if (PL_lex_state != LEX_NOTPARSING)	1077	expect_false (PL_lex_state != LEX_NOTPARSING)
		1078	#endif
		1079	)
983	croak ("Coro::State::transfer called while parsing, but this is not supported");	1080	croak ("Coro::State::transfer called while parsing, but this is not supported");
984	}	1081	}
985	}	1082	}
986		1083
987	/* always use the TRANSFER macro */	1084	/* always use the TRANSFER macro */
…		…
989	transfer (pTHX_ struct coro prev, struct coro next)	1086	transfer (pTHX_ struct coro prev, struct coro next)
990	{	1087	{
991	dSTACKLEVEL;	1088	dSTACKLEVEL;
992		1089
993	/* sometimes transfer is only called to set idle_sp */	1090	/* sometimes transfer is only called to set idle_sp */
994	if (!next)	1091	if (expect_false (!next))
995	{	1092	{
996	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1093	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
997	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1094	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
998	}	1095	}
999	else if (prev != next)	1096	else if (expect_true (prev != next))
1000	{	1097	{
1001	coro_cctx *prev__cctx;	1098	coro_cctx *prev__cctx;
1002		1099
1003	if (prev->flags & CF_NEW)	1100	if (expect_false (prev->flags & CF_NEW))
1004	{	1101	{
1005	/* create a new empty context */	1102	/* create a new empty context */
1006	Newz (0, prev->cctx, 1, coro_cctx);	1103	Newz (0, prev->cctx, 1, coro_cctx);
1007	prev->flags &= ~CF_NEW;	1104	prev->flags &= ~CF_NEW;
1008	prev->flags \|= CF_RUNNING;	1105	prev->flags \|= CF_RUNNING;
…		…
1011	prev->flags &= ~CF_RUNNING;	1108	prev->flags &= ~CF_RUNNING;
1012	next->flags \|= CF_RUNNING;	1109	next->flags \|= CF_RUNNING;
1013		1110
1014	LOCK;	1111	LOCK;
1015		1112
1016	if (next->flags & CF_NEW)	1113	if (expect_false (next->flags & CF_NEW))
1017	{	1114	{
1018	/* need to start coroutine */	1115	/* need to start coroutine */
1019	next->flags &= ~CF_NEW;	1116	next->flags &= ~CF_NEW;
1020	/* first get rid of the old state */	1117	/* first get rid of the old state */
1021	save_perl (aTHX_ prev);	1118	save_perl (aTHX_ prev);
…		…
1030	}	1127	}
1031		1128
1032	prev__cctx = prev->cctx;	1129	prev__cctx = prev->cctx;
1033		1130
1034	/* possibly "free" the cctx */	1131	/* possibly "free" the cctx */
1035	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1132	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1036	{	1133	{
1037	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1134	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1038	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1135	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1039		1136
1040	prev->cctx = 0;	1137	prev->cctx = 0;
1041		1138
		1139	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1140	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1141	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1142	if (!next->cctx)
		1143	next->cctx = cctx_get (aTHX);
		1144
1042	cctx_put (prev__cctx);	1145	cctx_put (prev__cctx);
1043	}	1146	}
1044		1147
1045	++next->usecount;	1148	++next->usecount;
1046		1149
1047	if (!next->cctx)	1150	if (expect_true (!next->cctx))
1048	next->cctx = cctx_get (aTHX);	1151	next->cctx = cctx_get (aTHX);
1049		1152
1050	if (prev__cctx != next->cctx)	1153	if (expect_false (prev__cctx != next->cctx))
1051	{	1154	{
1052	prev__cctx->top_env = PL_top_env;	1155	prev__cctx->top_env = PL_top_env;
1053	PL_top_env = next->cctx->top_env;	1156	PL_top_env = next->cctx->top_env;
1054	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1157	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1055	}	1158	}
1056		1159
1057	free_coro_mortal (aTHX);	1160	free_coro_mortal (aTHX);
1058	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	}
1059	}	1175	}
1060	}	1176	}
1061		1177
1062	struct transfer_args	1178	struct transfer_args
1063	{	1179	{
…		…
1098	save_perl (aTHX_ &temp);	1214	save_perl (aTHX_ &temp);
1099	load_perl (aTHX_ coro);	1215	load_perl (aTHX_ coro);
1100		1216
1101	coro_destroy (aTHX_ coro);	1217	coro_destroy (aTHX_ coro);
1102		1218
1103	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1219	load_perl (aTHX_ &temp);
1104		1220
1105	coro->mainstack = 0;	1221	coro->slot = 0;
1106	}	1222	}
1107		1223
1108	cctx_destroy (coro->cctx);	1224	cctx_destroy (coro->cctx);
1109	SvREFCNT_dec (coro->args);	1225	SvREFCNT_dec (coro->args);
1110		1226
…		…
1235	{	1351	{
1236	LOCK;	1352	LOCK;
1237	next_sv = coro_deq (aTHX_ PRIO_MIN);	1353	next_sv = coro_deq (aTHX_ PRIO_MIN);
1238		1354
1239	/* nothing to schedule: call the idle handler */	1355	/* nothing to schedule: call the idle handler */
1240	if (!next_sv)	1356	if (expect_false (!next_sv))
1241	{	1357	{
1242	dSP;	1358	dSP;
1243	UNLOCK;	1359	UNLOCK;
1244		1360
1245	ENTER;	1361	ENTER;
…		…
1255	}	1371	}
1256		1372
1257	ta->next = SvSTATE (next_sv);	1373	ta->next = SvSTATE (next_sv);
1258		1374
1259	/* cannot transfer to destroyed coros, skip and look for next */	1375	/* cannot transfer to destroyed coros, skip and look for next */
1260	if (ta->next->flags & CF_DESTROYED)	1376	if (expect_false (ta->next->flags & CF_DESTROYED))
1261	{	1377	{
1262	UNLOCK;	1378	UNLOCK;
1263	SvREFCNT_dec (next_sv);	1379	SvREFCNT_dec (next_sv);
1264	/* coro_nready is already taken care of by destroy */	1380	/* coro_nready is already taken care of by destroy */
1265	continue;	1381	continue;
…		…
1321	dTHX;	1437	dTHX;
1322	struct transfer_args ta;	1438	struct transfer_args ta;
1323		1439
1324	prepare_cede (aTHX_ &ta);	1440	prepare_cede (aTHX_ &ta);
1325		1441
1326	if (ta.prev != ta.next)	1442	if (expect_true (ta.prev != ta.next))
1327	{	1443	{
1328	TRANSFER (ta);	1444	TRANSFER (ta);
1329	return 1;	1445	return 1;
1330	}	1446	}
1331	else	1447	else
…		…
1367	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1483	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1368		1484
1369	if (coro->flags & CF_RUNNING)	1485	if (coro->flags & CF_RUNNING)
1370	PL_runops = RUNOPS_DEFAULT;	1486	PL_runops = RUNOPS_DEFAULT;
1371	else	1487	else
1372	coro->runops = RUNOPS_DEFAULT;	1488	coro->slot->runops = RUNOPS_DEFAULT;
1373	}	1489	}
1374	}	1490	}
1375		1491
1376	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1492	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1377		1493
…		…
1382	#ifdef USE_ITHREADS	1498	#ifdef USE_ITHREADS
1383	MUTEX_INIT (&coro_mutex);	1499	MUTEX_INIT (&coro_mutex);
1384	#endif	1500	#endif
1385	BOOT_PAGESIZE;	1501	BOOT_PAGESIZE;
1386		1502
1387	irsgv = gv_fetchpv ("/", 1, SVt_PV);	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);
1388		1512
1389	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1513	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1390		1514
1391	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1515	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1392	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1423		1547
1424	coro->hv = hv = newHV ();	1548	coro->hv = hv = newHV ();
1425	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;
1426	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1550	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1427		1551
		1552	av_extend (coro->args, items - 1);
1428	for (i = 1; i < items; i++)	1553	for (i = 1; i < items; i++)
1429	av_push (coro->args, newSVsv (ST (i)));	1554	av_push (coro->args, newSVsv (ST (i)));
1430	}	1555	}
1431	OUTPUT:	1556	OUTPUT:
1432	RETVAL	1557	RETVAL
…		…
1475	}	1600	}
1476		1601
1477	BARRIER;	1602	BARRIER;
1478	TRANSFER (ta);	1603	TRANSFER (ta);
1479		1604
1480	if (GIMME_V != G_VOID && ta.next != ta.prev)	1605	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1481	XSRETURN_YES;	1606	XSRETURN_YES;
1482	}	1607	}
1483		1608
1484	bool	1609	bool
1485	_destroy (SV *coro_sv)	1610	_destroy (SV *coro_sv)
…		…
1535	CODE:	1660	CODE:
1536	{	1661	{
1537	if (coro->mainstack)	1662	if (coro->mainstack)
1538	{	1663	{
1539	struct coro temp;	1664	struct coro temp;
1540	Zero (&temp, 1, struct coro);
1541		1665
1542	if (!(coro->flags & CF_RUNNING))	1666	if (!(coro->flags & CF_RUNNING))
1543	{	1667	{
1544	save_perl (aTHX_ &temp);	1668	save_perl (aTHX_ &temp);
1545	load_perl (aTHX_ coro);	1669	load_perl (aTHX_ coro);
…		…
1549	dSP;	1673	dSP;
1550	ENTER;	1674	ENTER;
1551	SAVETMPS;	1675	SAVETMPS;
1552	PUSHMARK (SP);	1676	PUSHMARK (SP);
1553	PUTBACK;	1677	PUTBACK;
		1678
1554	if (ix)	1679	if (ix)
1555	eval_sv (coderef, 0);	1680	eval_sv (coderef, 0);
1556	else	1681	else
1557	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1682	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1683
1558	SPAGAIN;	1684	SPAGAIN;
1559	FREETMPS;	1685	FREETMPS;
1560	LEAVE;	1686	LEAVE;
1561	PUTBACK;	1687	PUTBACK;
1562	}	1688	}
…		…
1620		1746
1621	BOOT:	1747	BOOT:
1622	{	1748	{
1623	int i;	1749	int i;
1624		1750
1625	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1751	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1626	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1752	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1627	av_async_pool = get_av ("Coro::async_pool", TRUE);	1753	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1628		1754
1629	coro_current = get_sv ("Coro::current", FALSE);	1755	coro_current = coro_get_sv ("Coro::current", FALSE);
1630	SvREADONLY_on (coro_current);	1756	SvREADONLY_on (coro_current);
1631		1757
1632	coro_stash = gv_stashpv ("Coro", TRUE);	1758	coro_stash = gv_stashpv ("Coro", TRUE);
1633		1759
1634	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1760	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1635	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1761	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1636	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1762	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1637	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1763	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1640		1766
1641	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1767	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1642	coro_ready[i] = newAV ();	1768	coro_ready[i] = newAV ();
1643		1769
1644	{	1770	{
1645	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 */
1646		1773
1647	coroapi.schedule = api_schedule;	1774	coroapi.schedule = api_schedule;
1648	coroapi.cede = api_cede;	1775	coroapi.cede = api_cede;
1649	coroapi.cede_notself = api_cede_notself;	1776	coroapi.cede_notself = api_cede_notself;
1650	coroapi.ready = api_ready;	1777	coroapi.ready = api_ready;
…		…
1701	CODE:	1828	CODE:
1702	RETVAL = coro_nready;	1829	RETVAL = coro_nready;
1703	OUTPUT:	1830	OUTPUT:
1704	RETVAL	1831	RETVAL
1705		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
1706	# for async_pool speedup	1840	# for async_pool speedup
1707	void	1841	void
1708	_pool_1 (SV *cb)	1842	_pool_1 (SV *cb)
1709	CODE:	1843	CODE:
1710	{	1844	{
1711	int i, len;	1845	struct coro *coro = SvSTATE (coro_current);
1712	HV hv = (HV )SvRV (coro_current);	1846	HV hv = (HV )SvRV (coro_current);
1713	AV *defav = GvAV (PL_defgv);	1847	AV *defav = GvAV (PL_defgv);
1714	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1848	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1715	AV *invoke_av;	1849	AV *invoke_av;
		1850	int i, len;
1716		1851
1717	if (!invoke)	1852	if (!invoke)
1718	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);
1719		1857
1720	hv_store (hv, "desc", sizeof ("desc") - 1,	1858	hv_store (hv, "desc", sizeof ("desc") - 1,
1721	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1859	newSVpvn (strpair ("[async_pool]")), 0);
1722		1860
1723	invoke_av = (AV *)SvRV (invoke);	1861	invoke_av = (AV *)SvRV (invoke);
1724	len = av_len (invoke_av);	1862	len = av_len (invoke_av);
1725		1863
1726	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1864	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1741	{	1879	{
1742	struct coro *coro = SvSTATE (coro_current);	1880	struct coro *coro = SvSTATE (coro_current);
1743		1881
1744	sv_setsv (cb, &PL_sv_undef);	1882	sv_setsv (cb, &PL_sv_undef);
1745		1883
		1884	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1885	coro->saved_deffh = 0;
		1886
1746	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1887	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1747	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1888	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1748	croak ("\3terminate\2\n");	1889	croak ("\3async_pool terminate\2\n");
1749		1890
1750	av_clear (GvAV (PL_defgv));	1891	av_clear (GvAV (PL_defgv));
1751	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1892	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1752	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1893	newSVpvn (strpair ("[async_pool idle]")), 0);
1753		1894
1754	coro->prio = 0;	1895	coro->prio = 0;
1755		1896
1756	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1897	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1757	api_trace (coro_current, 0);	1898	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.180 by root, Wed Oct 3 17:12:20 2007 UTC vs. Revision 1.201 by root, Mon Oct 8 01:23:14 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.180 by root, Wed Oct 3 17:12:20 2007 UTC vs.
Revision 1.201 by root, Mon Oct 8 01:23:14 2007 UTC