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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.179 by root, Wed Oct 3 16:03:17 2007 UTC vs.
Revision 1.203 by root, Mon Oct 8 03:02:00 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	AV args; / data associated with this coroutine (initial args) */
189	AV *args;	227	int refcnt; /* coroutines are refcounted, yes */
190	int refcnt;
191	int flags; /* CF_ flags */	228	int flags; /* CF_ flags */
192		229	HV hv; / the perl hash associated with this coro, if any */
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		230
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; / exception to be thrown */
		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 */
214	};	243	};
215		244
216	typedef struct coro *Coro__State;	245	typedef struct coro *Coro__State;
217	typedef struct coro *Coro__State_or_hashref;	246	typedef struct coro *Coro__State_or_hashref;
218		247
…		…
230	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
231	static int coro_nready;	260	static int coro_nready;
232	static struct coro *coro_first;	261	static struct coro *coro_first;
233		262
234	/ lowlevel stuff ********************************************************/	263	/ lowlevel stuff ********************************************************/
		264
		265	static SV *
		266	coro_get_sv (const char *name, int create)
		267	{
		268	#if PERL_VERSION_ATLEAST (5,9,0)
		269	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		270	get_sv (name, create);
		271	#endif
		272	return get_sv (name, create);
		273	}
		274
		275	static AV *
		276	coro_get_av (const char *name, int create)
		277	{
		278	#if PERL_VERSION_ATLEAST (5,9,0)
		279	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		280	get_av (name, create);
		281	#endif
		282	return get_av (name, create);
		283	}
		284
		285	static HV *
		286	coro_get_hv (const char *name, int create)
		287	{
		288	#if PERL_VERSION_ATLEAST (5,9,0)
		289	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		290	get_hv (name, create);
		291	#endif
		292	return get_hv (name, create);
		293	}
235		294
236	static AV *	295	static AV *
237	coro_clone_padlist (pTHX_ CV *cv)	296	coro_clone_padlist (pTHX_ CV *cv)
238	{	297	{
239	AV *padlist = CvPADLIST (cv);	298	AV *padlist = CvPADLIST (cv);
…		…
312	MAGIC *mg;	371	MAGIC *mg;
313		372
314	if (SvROK (coro))	373	if (SvROK (coro))
315	coro = SvRV (coro);	374	coro = SvRV (coro);
316		375
317	if (SvTYPE (coro) != SVt_PVHV)	376	if (expect_false (SvTYPE (coro) != SVt_PVHV))
318	croak ("Coro::State object required");	377	croak ("Coro::State object required");
319		378
320	stash = SvSTASH (coro);	379	stash = SvSTASH (coro);
321	if (stash != coro_stash && stash != coro_state_stash)	380	if (expect_false (stash != coro_stash && stash != coro_state_stash))
322	{	381	{
323	/* very slow, but rare, check */	382	/* very slow, but rare, check */
324	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
325	croak ("Coro::State object required");	384	croak ("Coro::State object required");
326	}	385	}
…		…
336	get_padlist (pTHX_ CV *cv)	395	get_padlist (pTHX_ CV *cv)
337	{	396	{
338	MAGIC *mg = CORO_MAGIC (cv);	397	MAGIC *mg = CORO_MAGIC (cv);
339	AV *av;	398	AV *av;
340		399
341	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
342	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
343	else	402	else
344	{	403	{
345	#if CORO_PREFER_PERL_FUNCTIONS	404	#if CORO_PREFER_PERL_FUNCTIONS
346	/* this is probably cleaner, but also slower? */	405	/* this is probably cleaner, but also slower? */
…		…
358	put_padlist (pTHX_ CV *cv)	417	put_padlist (pTHX_ CV *cv)
359	{	418	{
360	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC (cv);
361	AV *av;	420	AV *av;
362		421
363	if (!mg)	422	if (expect_false (!mg))
364	{	423	{
365	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
366	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
367	mg->mg_virtual = &vtbl_coro;	426	mg->mg_virtual = &vtbl_coro;
368	mg->mg_obj = (SV *)newAV ();	427	mg->mg_obj = (SV *)newAV ();
369	}	428	}
370		429
371	av = (AV *)mg->mg_obj;	430	av = (AV *)mg->mg_obj;
372		431
373	if (AvFILLp (av) >= AvMAX (av))	432	if (expect_false (AvFILLp (av) >= AvMAX (av)))
374	av_extend (av, AvMAX (av) + 1);	433	av_extend (av, AvMAX (av) + 1);
375		434
376	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	435	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
377	}	436	}
378		437
379	/ load & save, init *****************************************************/	438	/ load & save, init *****************************************************/
380		439
381	static void	440	static void
382	load_perl (pTHX_ Coro__State c)	441	load_perl (pTHX_ Coro__State c)
383	{	442	{
		443	perl_slots *slot = c->slot;
		444	c->slot = 0;
		445
		446	PL_mainstack = c->mainstack;
		447
		448	GvSV (PL_defgv) = slot->defsv;
		449	GvAV (PL_defgv) = slot->defav;
		450	GvSV (PL_errgv) = slot->errsv;
		451	GvSV (irsgv) = slot->irsgv;
		452
384	#define VAR(name,type) PL_ ## name = c->name;	453	#define VAR(name,type) PL_ ## name = slot->name;
385	# include "state.h"	454	# include "state.h"
386	#undef VAR	455	#undef VAR
387		456
388	GvSV (PL_defgv) = c->defsv;	457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
389	GvAV (PL_defgv) = c->defav;	458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
390	GvSV (PL_errgv) = c->errsv;
391	GvIOp(PL_defoutgv) = c->deffh;
392	PL_rs = c->irssv;
393	GvSV (irsgv) = c->irssv_sv;
394		459
395	{	460	{
396	dSP;	461	dSP;
		462
397	CV *cv;	463	CV *cv;
398		464
399	/* now do the ugly restore mess */	465	/* now do the ugly restore mess */
400	while ((cv = (CV *)POPs))	466	while (expect_true (cv = (CV *)POPs))
401	{	467	{
402	put_padlist (aTHX_ cv); /* mark this padlist as available */	468	put_padlist (aTHX_ cv); /* mark this padlist as available */
403	CvDEPTH (cv) = PTR2IV (POPs);	469	CvDEPTH (cv) = PTR2IV (POPs);
404	CvPADLIST (cv) = (AV *)POPs;	470	CvPADLIST (cv) = (AV *)POPs;
405	}	471	}
…		…
424		490
425	XPUSHs (Nullsv);	491	XPUSHs (Nullsv);
426	/* this loop was inspired by pp_caller */	492	/* this loop was inspired by pp_caller */
427	for (;;)	493	for (;;)
428	{	494	{
429	while (cxix >= 0)	495	while (expect_true (cxix >= 0))
430	{	496	{
431	PERL_CONTEXT *cx = &ccstk[cxix--];	497	PERL_CONTEXT *cx = &ccstk[cxix--];
432		498
433	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	499	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
434	{	500	{
435	CV *cv = cx->blk_sub.cv;	501	CV *cv = cx->blk_sub.cv;
436		502
437	if (CvDEPTH (cv))	503	if (expect_true (CvDEPTH (cv)))
438	{	504	{
439	EXTEND (SP, 3);	505	EXTEND (SP, 3);
440	PUSHs ((SV *)CvPADLIST (cv));	506	PUSHs ((SV *)CvPADLIST (cv));
441	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
442	PUSHs ((SV *)cv);	508	PUSHs ((SV *)cv);
…		…
445	get_padlist (aTHX_ cv);	511	get_padlist (aTHX_ cv);
446	}	512	}
447	}	513	}
448	}	514	}
449		515
450	if (top_si->si_type == PERLSI_MAIN)	516	if (expect_true (top_si->si_type == PERLSI_MAIN))
451	break;	517	break;
452		518
453	top_si = top_si->si_prev;	519	top_si = top_si->si_prev;
454	ccstk = top_si->si_cxstack;	520	ccstk = top_si->si_cxstack;
455	cxix = top_si->si_cxix;	521	cxix = top_si->si_cxix;
456	}	522	}
457		523
458	PUTBACK;	524	PUTBACK;
459	}	525	}
460		526
		527	/* allocate some space on the context stack for our purposes */
		528	/* we manually unroll here, as usually 2 slots is enough */
		529	if (SLOT_COUNT >= 1) CXINC;
		530	if (SLOT_COUNT >= 2) CXINC;
		531	if (SLOT_COUNT >= 3) CXINC;
		532	{
		533	int i;
		534	for (i = 3; i < SLOT_COUNT; ++i)
		535	CXINC;
		536	}
		537	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		538
		539	c->mainstack = PL_mainstack;
		540
		541	{
		542	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		543
461	c->defav = GvAV (PL_defgv);	544	slot->defav = GvAV (PL_defgv);
462	c->defsv = DEFSV;	545	slot->defsv = DEFSV;
463	c->errsv = ERRSV;	546	slot->errsv = ERRSV;
464	c->deffh = GvIOp (PL_defoutgv);
465	c->irssv = PL_rs;
466	c->irssv_sv = GvSV (irsgv);	547	slot->irsgv = GvSV (irsgv);
467		548
468	#define VAR(name,type)c->name = PL_ ## name;	549	#define VAR(name,type) slot->name = PL_ ## name;
469	# include "state.h"	550	# include "state.h"
470	#undef VAR	551	#undef VAR
		552	}
471	}	553	}
472		554
473	/*	555	/*
474	* allocate various perl stacks. This is an exact copy	556	* allocate various perl stacks. This is an exact copy
475	* of perl.c:init_stacks, except that it uses less memory	557	* of perl.c:init_stacks, except that it uses less memory
476	* on the (sometimes correct) assumption that coroutines do	558	* on the (sometimes correct) assumption that coroutines do
477	* not usually need a lot of stackspace.	559	* not usually need a lot of stackspace.
478	*/	560	*/
479	#if CORO_PREFER_PERL_FUNCTIONS	561	#if 1
480	# define coro_init_stacks init_stacks	562	# define coro_init_stacks init_stacks
481	#else	563	#else
482	static void	564	static void
483	coro_init_stacks (pTHX)	565	coro_init_stacks (pTHX)
484	{	566	{
485	PL_curstackinfo = new_stackinfo(64, 6);	567	PL_curstackinfo = new_stackinfo(32, 8);
486	PL_curstackinfo->si_type = PERLSI_MAIN;	568	PL_curstackinfo->si_type = PERLSI_MAIN;
487	PL_curstack = PL_curstackinfo->si_stack;	569	PL_curstack = PL_curstackinfo->si_stack;
488	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	570	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
489		571
490	PL_stack_base = AvARRAY(PL_curstack);	572	PL_stack_base = AvARRAY(PL_curstack);
491	PL_stack_sp = PL_stack_base;	573	PL_stack_sp = PL_stack_base;
492	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	574	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
493		575
494	New(50,PL_tmps_stack,64,SV*);	576	New(50,PL_tmps_stack,32,SV*);
495	PL_tmps_floor = -1;	577	PL_tmps_floor = -1;
496	PL_tmps_ix = -1;	578	PL_tmps_ix = -1;
497	PL_tmps_max = 64;	579	PL_tmps_max = 32;
498		580
499	New(54,PL_markstack,16,I32);	581	New(54,PL_markstack,16,I32);
500	PL_markstack_ptr = PL_markstack;	582	PL_markstack_ptr = PL_markstack;
501	PL_markstack_max = PL_markstack + 16;	583	PL_markstack_max = PL_markstack + 16;
502		584
503	#ifdef SET_MARK_OFFSET	585	#ifdef SET_MARK_OFFSET
504	SET_MARK_OFFSET;	586	SET_MARK_OFFSET;
505	#endif	587	#endif
506		588
507	New(54,PL_scopestack,16,I32);	589	New(54,PL_scopestack,8,I32);
508	PL_scopestack_ix = 0;	590	PL_scopestack_ix = 0;
509	PL_scopestack_max = 16;	591	PL_scopestack_max = 8;
510		592
511	New(54,PL_savestack,64,ANY);	593	New(54,PL_savestack,24,ANY);
512	PL_savestack_ix = 0;	594	PL_savestack_ix = 0;
513	PL_savestack_max = 64;	595	PL_savestack_max = 24;
514		596
515	#if !PERL_VERSION_ATLEAST (5,9,0)	597	#if !PERL_VERSION_ATLEAST (5,9,0)
516	New(54,PL_retstack,4,OP*);	598	New(54,PL_retstack,4,OP*);
517	PL_retstack_ix = 0;	599	PL_retstack_ix = 0;
518	PL_retstack_max = 4;	600	PL_retstack_max = 4;
…		…
551	}	633	}
552		634
553	static size_t	635	static size_t
554	coro_rss (pTHX_ struct coro *coro)	636	coro_rss (pTHX_ struct coro *coro)
555	{	637	{
556	size_t rss = sizeof (coro);	638	size_t rss = sizeof (*coro);
557		639
558	if (coro->mainstack)	640	if (coro->mainstack)
559	{	641	{
		642	perl_slots tmp_slot;
		643	perl_slots *slot;
		644
560	if (coro->flags & CF_RUNNING)	645	if (coro->flags & CF_RUNNING)
561	{	646	{
		647	slot = &tmp_slot;
		648
562	#define VAR(name,type)coro->name = PL_ ## name;	649	#define VAR(name,type) slot->name = PL_ ## name;
563	# include "state.h"	650	# include "state.h"
564	#undef VAR	651	#undef VAR
565	}	652	}
		653	else
		654	slot = coro->slot;
566		655
567	rss += sizeof (coro->curstackinfo);	656	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);	657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
571	rss += coro->tmps_max * sizeof (SV *);	659	rss += slot->tmps_max * sizeof (SV *);
572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
573	rss += coro->scopestack_max * sizeof (I32);	661	rss += slot->scopestack_max * sizeof (I32);
574	rss += coro->savestack_max * sizeof (ANY);	662	rss += slot->savestack_max * sizeof (ANY);
575		663
576	#if !PERL_VERSION_ATLEAST (5,9,0)	664	#if !PERL_VERSION_ATLEAST (5,9,0)
577	rss += coro->retstack_max * sizeof (OP *);	665	rss += slot->retstack_max * sizeof (OP *);
578	#endif	666	#endif
579	}	667	}
580		668
581	return rss;	669	return rss;
582	}	670	}
…		…
594	PL_runops = RUNOPS_DEFAULT;	682	PL_runops = RUNOPS_DEFAULT;
595	PL_curcop = &PL_compiling;	683	PL_curcop = &PL_compiling;
596	PL_in_eval = EVAL_NULL;	684	PL_in_eval = EVAL_NULL;
597	PL_comppad = 0;	685	PL_comppad = 0;
598	PL_curpm = 0;	686	PL_curpm = 0;
		687	PL_curpad = 0;
599	PL_localizing = 0;	688	PL_localizing = 0;
600	PL_dirty = 0;	689	PL_dirty = 0;
601	PL_restartop = 0;	690	PL_restartop = 0;
		691	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		692	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
602		693
603	GvSV (PL_defgv) = NEWSV (0, 0);	694	GvSV (PL_defgv) = newSV (0);
604	GvAV (PL_defgv) = coro->args; coro->args = 0;	695	GvAV (PL_defgv) = coro->args; coro->args = 0;
605	GvSV (PL_errgv) = NEWSV (0, 0);	696	GvSV (PL_errgv) = newSV (0);
606	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), irsgv, PERL_MAGIC_sv, "/", 1);	697	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607	PL_rs = newSVsv (GvSV (irsgv));	698	PL_rs = newSVsv (GvSV (irsgv));
608		699	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
609	{
610	IO *io = newIO ();
611	GvIOp(PL_defoutgv) = io;
612	IoTYPE (io) = IoTYPE_WRONLY;
613	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
614	IoFLAGS (io) \|= IOf_FLUSH;
615	}
616		700
617	{	701	{
618	dSP;	702	dSP;
619	LOGOP myop;	703	LOGOP myop;
620		704
621	Zero (&myop, 1, LOGOP);	705	Zero (&myop, 1, LOGOP);
622	myop.op_next = Nullop;	706	myop.op_next = Nullop;
623	myop.op_flags = OPf_WANT_VOID;	707	myop.op_flags = OPf_WANT_VOID;
624		708
625	PUSHMARK (SP);	709	PUSHMARK (SP);
626	XPUSHs (av_shift (GvAV (PL_defgv)));	710	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
627	PUTBACK;	711	PUTBACK;
628	PL_op = (OP *)&myop;	712	PL_op = (OP *)&myop;
629	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
630	SPAGAIN;	714	SPAGAIN;
631	}	715	}
632		716
633	ENTER; /* necessary e.g. for dounwind */	717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
634	}	718	}
635		719
636	static void	720	static void
637	coro_destroy (pTHX_ struct coro *coro)	721	coro_destroy (pTHX_ struct coro *coro)
638	{	722	{
…		…
654	}	738	}
655		739
656	SvREFCNT_dec (GvSV (PL_defgv));	740	SvREFCNT_dec (GvSV (PL_defgv));
657	SvREFCNT_dec (GvAV (PL_defgv));	741	SvREFCNT_dec (GvAV (PL_defgv));
658	SvREFCNT_dec (GvSV (PL_errgv));	742	SvREFCNT_dec (GvSV (PL_errgv));
659	SvREFCNT_dec (GvIOp(PL_defoutgv));	743	SvREFCNT_dec (PL_defoutgv);
660	SvREFCNT_dec (PL_rs);	744	SvREFCNT_dec (PL_rs);
661	SvREFCNT_dec (GvSV (irsgv));	745	SvREFCNT_dec (GvSV (irsgv));
662		746
		747	SvREFCNT_dec (PL_diehook);
		748	SvREFCNT_dec (PL_warnhook);
		749
		750	SvREFCNT_dec (coro->saved_deffh);
		751	SvREFCNT_dec (coro->throw);
		752
663	coro_destroy_stacks (aTHX);	753	coro_destroy_stacks (aTHX);
664	}	754	}
665		755
666	static void	756	static void
667	free_coro_mortal (pTHX)	757	free_coro_mortal (pTHX)
668	{	758	{
669	if (coro_mortal)	759	if (expect_true (coro_mortal))
670	{	760	{
671	SvREFCNT_dec (coro_mortal);	761	SvREFCNT_dec (coro_mortal);
672	coro_mortal = 0;	762	coro_mortal = 0;
673	}	763	}
674	}	764	}
…		…
703	bot = PL_stack_base + cx->blk_oldsp + 1;	793	bot = PL_stack_base + cx->blk_oldsp + 1;
704	top = cx->blk_gimme == G_ARRAY ? SP + 1	794	top = cx->blk_gimme == G_ARRAY ? SP + 1
705	: cx->blk_gimme == G_SCALAR ? bot + 1	795	: cx->blk_gimme == G_SCALAR ? bot + 1
706	: bot;	796	: bot;
707		797
		798	av_extend (av, top - bot);
708	while (bot < top)	799	while (bot < top)
709	av_push (av, SvREFCNT_inc (*bot++));	800	av_push (av, SvREFCNT_inc (*bot++));
710		801
711	PL_runops = RUNOPS_DEFAULT;	802	PL_runops = RUNOPS_DEFAULT;
712	ENTER;	803	ENTER;
…		…
715	PUSHMARK (SP);	806	PUSHMARK (SP);
716	PUSHs (&PL_sv_no);	807	PUSHs (&PL_sv_no);
717	PUSHs (fullname);	808	PUSHs (fullname);
718	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
719	PUTBACK;	810	PUTBACK;
720	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	811	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
721	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	812	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
722	SPAGAIN;	813	SPAGAIN;
723	FREETMPS;	814	FREETMPS;
724	LEAVE;	815	LEAVE;
725	PL_runops = runops_trace;	816	PL_runops = runops_trace;
…		…
754	PUSHMARK (SP);	845	PUSHMARK (SP);
755	PUSHs (&PL_sv_yes);	846	PUSHs (&PL_sv_yes);
756	PUSHs (fullname);	847	PUSHs (fullname);
757	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	848	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
758	PUTBACK;	849	PUTBACK;
759	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	850	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
760	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	851	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
761	SPAGAIN;	852	SPAGAIN;
762	FREETMPS;	853	FREETMPS;
763	LEAVE;	854	LEAVE;
764	PL_runops = runops_trace;	855	PL_runops = runops_trace;
…		…
778	PL_runops = RUNOPS_DEFAULT;	869	PL_runops = RUNOPS_DEFAULT;
779	PUSHMARK (SP);	870	PUSHMARK (SP);
780	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
781	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
782	PUTBACK;	873	PUTBACK;
783	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	874	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
784	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	875	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
785	SPAGAIN;	876	SPAGAIN;
786	FREETMPS;	877	FREETMPS;
787	LEAVE;	878	LEAVE;
788	PL_runops = runops_trace;	879	PL_runops = runops_trace;
…		…
798		889
799	/* inject a fake call to Coro::State::_cctx_init into the execution */	890	/* inject a fake call to Coro::State::_cctx_init into the execution */
800	/* _cctx_init should be careful, as it could be called at almost any time */	891	/* _cctx_init should be careful, as it could be called at almost any time */
801	/* during execution of a perl program */	892	/* during execution of a perl program */
802	static void NOINLINE	893	static void NOINLINE
803	prepare_cctx (pTHX_ coro_cctx *cctx)	894	cctx_prepare (pTHX_ coro_cctx *cctx)
804	{	895	{
805	dSP;	896	dSP;
806	LOGOP myop;	897	LOGOP myop;
807		898
808	PL_top_env = &PL_start_env;	899	PL_top_env = &PL_start_env;
…		…
826		917
827	/*	918	/*
828	* this is a _very_ stripped down perl interpreter ;)	919	* this is a _very_ stripped down perl interpreter ;)
829	*/	920	*/
830	static void	921	static void
831	coro_run (void *arg)	922	cctx_run (void *arg)
832	{	923	{
833	dTHX;	924	dTHX;
834		925
835	/* coro_run is the alternative tail of transfer(), so unlock here. */	926	/* cctx_run is the alternative tail of transfer(), so unlock here. */
836	UNLOCK;	927	UNLOCK;
837		928
838	/* we now skip the entersub that lead to transfer() */	929	/* we now skip the entersub that lead to transfer() */
839	PL_op = PL_op->op_next;	930	PL_op = PL_op->op_next;
840		931
841	/* inject a fake subroutine call to cctx_init */	932	/* inject a fake subroutine call to cctx_init */
842	prepare_cctx (aTHX_ (coro_cctx *)arg);	933	cctx_prepare (aTHX_ (coro_cctx *)arg);
843		934
844	/* somebody or something will hit me for both perl_run and PL_restartop */	935	/* somebody or something will hit me for both perl_run and PL_restartop */
845	PL_restartop = PL_op;	936	PL_restartop = PL_op;
846	perl_run (PL_curinterp);	937	perl_run (PL_curinterp);
847		938
…		…
866	++cctx_count;	957	++cctx_count;
867		958
868	Newz (0, cctx, 1, coro_cctx);	959	Newz (0, cctx, 1, coro_cctx);
869		960
870	#if HAVE_MMAP	961	#if HAVE_MMAP
871
872	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	962	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
873	/* mmap supposedly does allocate-on-write for us */	963	/* mmap supposedly does allocate-on-write for us */
874	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	964	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
875		965
876	if (cctx->sptr != (void *)-1)	966	if (cctx->sptr != (void *)-1)
…		…
897	stack_start = cctx->sptr;	987	stack_start = cctx->sptr;
898	stack_size = cctx->ssize;	988	stack_size = cctx->ssize;
899	}	989	}
900		990
901	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	991	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
902	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	992	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
903		993
904	return cctx;	994	return cctx;
905	}	995	}
906		996
907	static void	997	static void
…		…
924	Safefree (cctx->sptr);	1014	Safefree (cctx->sptr);
925		1015
926	Safefree (cctx);	1016	Safefree (cctx);
927	}	1017	}
928		1018
		1019	/* wether this cctx should be destructed */
		1020	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1021
929	static coro_cctx *	1022	static coro_cctx *
930	cctx_get (pTHX)	1023	cctx_get (pTHX)
931	{	1024	{
932	while (cctx_first)	1025	while (expect_true (cctx_first))
933	{	1026	{
934	coro_cctx *cctx = cctx_first;	1027	coro_cctx *cctx = cctx_first;
935	cctx_first = cctx->next;	1028	cctx_first = cctx->next;
936	--cctx_idle;	1029	--cctx_idle;
937		1030
938	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1031	if (expect_true (!CCTX_EXPIRED (cctx)))
939	return cctx;	1032	return cctx;
940		1033
941	cctx_destroy (cctx);	1034	cctx_destroy (cctx);
942	}	1035	}
943		1036
…		…
946		1039
947	static void	1040	static void
948	cctx_put (coro_cctx *cctx)	1041	cctx_put (coro_cctx *cctx)
949	{	1042	{
950	/* free another cctx if overlimit */	1043	/* free another cctx if overlimit */
951	if (cctx_idle >= MAX_IDLE_CCTX)	1044	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
952	{	1045	{
953	coro_cctx *first = cctx_first;	1046	coro_cctx *first = cctx_first;
954	cctx_first = first->next;	1047	cctx_first = first->next;
955	--cctx_idle;	1048	--cctx_idle;
956		1049
…		…
962	cctx_first = cctx;	1055	cctx_first = cctx;
963	}	1056	}
964		1057
965	/ coroutine switching ***************************************************/	1058	/ coroutine switching ***************************************************/
966		1059
967	static void NOINLINE	1060	static void
968	transfer_check (pTHX_ struct coro prev, struct coro next)	1061	transfer_check (pTHX_ struct coro prev, struct coro next)
969	{	1062	{
970	if (prev != next)	1063	if (expect_true (prev != next))
971	{	1064	{
972	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1065	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
973	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");
974		1067
975	if (next->flags & CF_RUNNING)	1068	if (expect_false (next->flags & CF_RUNNING))
976	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");
977		1070
978	if (next->flags & CF_DESTROYED)	1071	if (expect_false (next->flags & CF_DESTROYED))
979	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");
980		1073
		1074	if (
		1075	#if PERL_VERSION_ATLEAST (5,9,0)
		1076	expect_false (PL_parser)
		1077	#else
981	if (PL_lex_state != LEX_NOTPARSING)	1078	expect_false (PL_lex_state != LEX_NOTPARSING)
		1079	#endif
		1080	)
982	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");
983	}	1082	}
984	}	1083	}
985		1084
986	/* always use the TRANSFER macro */	1085	/* always use the TRANSFER macro */
…		…
988	transfer (pTHX_ struct coro prev, struct coro next)	1087	transfer (pTHX_ struct coro prev, struct coro next)
989	{	1088	{
990	dSTACKLEVEL;	1089	dSTACKLEVEL;
991		1090
992	/* sometimes transfer is only called to set idle_sp */	1091	/* sometimes transfer is only called to set idle_sp */
993	if (!next)	1092	if (expect_false (!next))
994	{	1093	{
995	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
996	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 */
997	}	1096	}
998	else if (prev != next)	1097	else if (expect_true (prev != next))
999	{	1098	{
1000	coro_cctx *prev__cctx;	1099	coro_cctx *prev__cctx;
1001		1100
1002	if (prev->flags & CF_NEW)	1101	if (expect_false (prev->flags & CF_NEW))
1003	{	1102	{
1004	/* create a new empty context */	1103	/* create a new empty context */
1005	Newz (0, prev->cctx, 1, coro_cctx);	1104	Newz (0, prev->cctx, 1, coro_cctx);
1006	prev->flags &= ~CF_NEW;	1105	prev->flags &= ~CF_NEW;
1007	prev->flags \|= CF_RUNNING;	1106	prev->flags \|= CF_RUNNING;
…		…
1010	prev->flags &= ~CF_RUNNING;	1109	prev->flags &= ~CF_RUNNING;
1011	next->flags \|= CF_RUNNING;	1110	next->flags \|= CF_RUNNING;
1012		1111
1013	LOCK;	1112	LOCK;
1014		1113
1015	if (next->flags & CF_NEW)	1114	if (expect_false (next->flags & CF_NEW))
1016	{	1115	{
1017	/* need to start coroutine */	1116	/* need to start coroutine */
1018	next->flags &= ~CF_NEW;	1117	next->flags &= ~CF_NEW;
1019	/* first get rid of the old state */	1118	/* first get rid of the old state */
1020	save_perl (aTHX_ prev);	1119	save_perl (aTHX_ prev);
…		…
1029	}	1128	}
1030		1129
1031	prev__cctx = prev->cctx;	1130	prev__cctx = prev->cctx;
1032		1131
1033	/* possibly "free" the cctx */	1132	/* possibly "free" the cctx */
1034	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)))
1035	{	1134	{
1036	/* 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 */
1037	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));
1038		1137
1039	prev->cctx = 0;	1138	prev->cctx = 0;
1040		1139
		1140	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1141	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1142	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1143	if (!next->cctx)
		1144	next->cctx = cctx_get (aTHX);
		1145
1041	cctx_put (prev__cctx);	1146	cctx_put (prev__cctx);
1042	}	1147	}
1043		1148
1044	++next->usecount;	1149	++next->usecount;
1045		1150
1046	if (!next->cctx)	1151	if (expect_true (!next->cctx))
1047	next->cctx = cctx_get (aTHX);	1152	next->cctx = cctx_get (aTHX);
1048		1153
1049	if (prev__cctx != next->cctx)	1154	if (expect_false (prev__cctx != next->cctx))
1050	{	1155	{
1051	prev__cctx->top_env = PL_top_env;	1156	prev__cctx->top_env = PL_top_env;
1052	PL_top_env = next->cctx->top_env;	1157	PL_top_env = next->cctx->top_env;
1053	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1158	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1054	}	1159	}
1055		1160
1056	free_coro_mortal (aTHX);	1161	free_coro_mortal (aTHX);
1057	UNLOCK;	1162	UNLOCK;
		1163
		1164	if (expect_false (prev->throw \|\| next->throw))
		1165	{
		1166	struct coro *coro = SvSTATE (coro_current);
		1167
		1168	if (coro->throw)
		1169	{
		1170	SV *exception = coro->throw;
		1171	coro->throw = 0;
		1172	sv_setsv (ERRSV, exception);
		1173	croak (0);
		1174	}
		1175	}
1058	}	1176	}
1059	}	1177	}
1060		1178
1061	struct transfer_args	1179	struct transfer_args
1062	{	1180	{
…		…
1097	save_perl (aTHX_ &temp);	1215	save_perl (aTHX_ &temp);
1098	load_perl (aTHX_ coro);	1216	load_perl (aTHX_ coro);
1099		1217
1100	coro_destroy (aTHX_ coro);	1218	coro_destroy (aTHX_ coro);
1101		1219
1102	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1220	load_perl (aTHX_ &temp);
1103		1221
1104	coro->mainstack = 0;	1222	coro->slot = 0;
1105	}	1223	}
1106		1224
1107	cctx_destroy (coro->cctx);	1225	cctx_destroy (coro->cctx);
1108	SvREFCNT_dec (coro->args);	1226	SvREFCNT_dec (coro->args);
1109		1227
…		…
1234	{	1352	{
1235	LOCK;	1353	LOCK;
1236	next_sv = coro_deq (aTHX_ PRIO_MIN);	1354	next_sv = coro_deq (aTHX_ PRIO_MIN);
1237		1355
1238	/* nothing to schedule: call the idle handler */	1356	/* nothing to schedule: call the idle handler */
1239	if (!next_sv)	1357	if (expect_false (!next_sv))
1240	{	1358	{
1241	dSP;	1359	dSP;
1242	UNLOCK;	1360	UNLOCK;
1243		1361
1244	ENTER;	1362	ENTER;
…		…
1254	}	1372	}
1255		1373
1256	ta->next = SvSTATE (next_sv);	1374	ta->next = SvSTATE (next_sv);
1257		1375
1258	/* cannot transfer to destroyed coros, skip and look for next */	1376	/* cannot transfer to destroyed coros, skip and look for next */
1259	if (ta->next->flags & CF_DESTROYED)	1377	if (expect_false (ta->next->flags & CF_DESTROYED))
1260	{	1378	{
1261	UNLOCK;	1379	UNLOCK;
1262	SvREFCNT_dec (next_sv);	1380	SvREFCNT_dec (next_sv);
1263	/* coro_nready is already taken care of by destroy */	1381	/* coro_nready is already taken care of by destroy */
1264	continue;	1382	continue;
…		…
1320	dTHX;	1438	dTHX;
1321	struct transfer_args ta;	1439	struct transfer_args ta;
1322		1440
1323	prepare_cede (aTHX_ &ta);	1441	prepare_cede (aTHX_ &ta);
1324		1442
1325	if (ta.prev != ta.next)	1443	if (expect_true (ta.prev != ta.next))
1326	{	1444	{
1327	TRANSFER (ta);	1445	TRANSFER (ta);
1328	return 1;	1446	return 1;
1329	}	1447	}
1330	else	1448	else
…		…
1366	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1484	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1367		1485
1368	if (coro->flags & CF_RUNNING)	1486	if (coro->flags & CF_RUNNING)
1369	PL_runops = RUNOPS_DEFAULT;	1487	PL_runops = RUNOPS_DEFAULT;
1370	else	1488	else
1371	coro->runops = RUNOPS_DEFAULT;	1489	coro->slot->runops = RUNOPS_DEFAULT;
1372	}	1490	}
1373	}	1491	}
1374		1492
1375	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1376		1494
…		…
1381	#ifdef USE_ITHREADS	1499	#ifdef USE_ITHREADS
1382	MUTEX_INIT (&coro_mutex);	1500	MUTEX_INIT (&coro_mutex);
1383	#endif	1501	#endif
1384	BOOT_PAGESIZE;	1502	BOOT_PAGESIZE;
1385		1503
1386	irsgv = gv_fetchpv ("/", 1, SVt_PV);	1504	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1505	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1506
		1507	hv_sig = coro_get_hv ("SIG", TRUE);
		1508	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1509	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1510
		1511	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1512	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1387		1513
1388	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1389		1515
1390	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1391	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1422		1548
1423	coro->hv = hv = newHV ();	1549	coro->hv = hv = newHV ();
1424	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1550	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1425	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1426		1552
		1553	av_extend (coro->args, items - 1);
1427	for (i = 1; i < items; i++)	1554	for (i = 1; i < items; i++)
1428	av_push (coro->args, newSVsv (ST (i)));	1555	av_push (coro->args, newSVsv (ST (i)));
1429	}	1556	}
1430	OUTPUT:	1557	OUTPUT:
1431	RETVAL	1558	RETVAL
…		…
1474	}	1601	}
1475		1602
1476	BARRIER;	1603	BARRIER;
1477	TRANSFER (ta);	1604	TRANSFER (ta);
1478		1605
1479	if (GIMME_V != G_VOID && ta.next != ta.prev)	1606	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1480	XSRETURN_YES;	1607	XSRETURN_YES;
1481	}	1608	}
1482		1609
1483	bool	1610	bool
1484	_destroy (SV *coro_sv)	1611	_destroy (SV *coro_sv)
…		…
1534	CODE:	1661	CODE:
1535	{	1662	{
1536	if (coro->mainstack)	1663	if (coro->mainstack)
1537	{	1664	{
1538	struct coro temp;	1665	struct coro temp;
1539	Zero (&temp, 1, struct coro);
1540		1666
1541	if (!(coro->flags & CF_RUNNING))	1667	if (!(coro->flags & CF_RUNNING))
1542	{	1668	{
1543	save_perl (aTHX_ &temp);	1669	save_perl (aTHX_ &temp);
1544	load_perl (aTHX_ coro);	1670	load_perl (aTHX_ coro);
…		…
1548	dSP;	1674	dSP;
1549	ENTER;	1675	ENTER;
1550	SAVETMPS;	1676	SAVETMPS;
1551	PUSHMARK (SP);	1677	PUSHMARK (SP);
1552	PUTBACK;	1678	PUTBACK;
		1679
1553	if (ix)	1680	if (ix)
1554	eval_sv (coderef, 0);	1681	eval_sv (coderef, 0);
1555	else	1682	else
1556	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1683	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1684
1557	SPAGAIN;	1685	SPAGAIN;
1558	FREETMPS;	1686	FREETMPS;
1559	LEAVE;	1687	LEAVE;
1560	PUTBACK;	1688	PUTBACK;
1561	}	1689	}
…		…
1619		1747
1620	BOOT:	1748	BOOT:
1621	{	1749	{
1622	int i;	1750	int i;
1623		1751
1624	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1752	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1625	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1753	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1626	av_async_pool = get_av ("Coro::async_pool", TRUE);	1754	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1627		1755
1628	coro_current = get_sv ("Coro::current", FALSE);	1756	coro_current = coro_get_sv ("Coro::current", FALSE);
1629	SvREADONLY_on (coro_current);	1757	SvREADONLY_on (coro_current);
1630		1758
1631	coro_stash = gv_stashpv ("Coro", TRUE);	1759	coro_stash = gv_stashpv ("Coro", TRUE);
1632		1760
1633	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1761	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1634	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1762	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1635	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1763	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1636	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1764	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1639		1767
1640	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1768	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1641	coro_ready[i] = newAV ();	1769	coro_ready[i] = newAV ();
1642		1770
1643	{	1771	{
1644	SV *sv = perl_get_sv("Coro::API", 1);	1772	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1773	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1645		1774
1646	coroapi.schedule = api_schedule;	1775	coroapi.schedule = api_schedule;
1647	coroapi.cede = api_cede;	1776	coroapi.cede = api_cede;
1648	coroapi.cede_notself = api_cede_notself;	1777	coroapi.cede_notself = api_cede_notself;
1649	coroapi.ready = api_ready;	1778	coroapi.ready = api_ready;
…		…
1700	CODE:	1829	CODE:
1701	RETVAL = coro_nready;	1830	RETVAL = coro_nready;
1702	OUTPUT:	1831	OUTPUT:
1703	RETVAL	1832	RETVAL
1704		1833
		1834	void
		1835	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1836	PROTOTYPE: $;$
		1837	CODE:
		1838	SvREFCNT_dec (self->throw);
		1839	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1840
1705	# for async_pool speedup	1841	# for async_pool speedup
1706	void	1842	void
1707	_pool_1 (SV *cb)	1843	_pool_1 (SV *cb)
1708	CODE:	1844	CODE:
1709	{	1845	{
1710	int i, len;	1846	struct coro *coro = SvSTATE (coro_current);
1711	HV hv = (HV )SvRV (coro_current);	1847	HV hv = (HV )SvRV (coro_current);
1712	AV *defav = GvAV (PL_defgv);	1848	AV *defav = GvAV (PL_defgv);
1713	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1849	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1714	AV *invoke_av;	1850	AV *invoke_av;
		1851	int i, len;
1715		1852
1716	if (!invoke)	1853	if (!invoke)
1717	croak ("\3terminate\2\n");	1854	croak ("\3async_pool terminate\2\n");
		1855
		1856	SvREFCNT_dec (coro->saved_deffh);
		1857	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1718		1858
1719	hv_store (hv, "desc", sizeof ("desc") - 1,	1859	hv_store (hv, "desc", sizeof ("desc") - 1,
1720	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1860	newSVpvn (strpair ("[async_pool]")), 0);
1721		1861
1722	invoke_av = (AV *)SvRV (invoke);	1862	invoke_av = (AV *)SvRV (invoke);
1723	len = av_len (invoke_av);	1863	len = av_len (invoke_av);
1724		1864
1725	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1865	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1740	{	1880	{
1741	struct coro *coro = SvSTATE (coro_current);	1881	struct coro *coro = SvSTATE (coro_current);
1742		1882
1743	sv_setsv (cb, &PL_sv_undef);	1883	sv_setsv (cb, &PL_sv_undef);
1744		1884
		1885	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1886	coro->saved_deffh = 0;
		1887
1745	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1888	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1746	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1889	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1747	croak ("\3terminate\2\n");	1890	croak ("\3async_pool terminate\2\n");
1748		1891
1749	av_clear (GvAV (PL_defgv));	1892	av_clear (GvAV (PL_defgv));
1750	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1893	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1751	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1894	newSVpvn (strpair ("[async_pool idle]")), 0);
1752		1895
1753	coro->prio = 0;	1896	coro->prio = 0;
1754		1897
1755	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1898	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1756	api_trace (coro_current, 0);	1899	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.179 by root, Wed Oct 3 16:03:17 2007 UTC vs. Revision 1.203 by root, Mon Oct 8 03:02:00 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.179 by root, Wed Oct 3 16:03:17 2007 UTC vs.
Revision 1.203 by root, Mon Oct 8 03:02:00 2007 UTC