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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs.
Revision 1.202 by root, Mon Oct 8 02:50:23 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;
…		…
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	SV 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 transfers 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;
210	//SV *throw;	236	SV *throw;
211		237
212	/* async_pool */	238	/* async_pool */
213	SV *saved_deffh;	239	SV *saved_deffh;
214		240
215	/* linked list */	241	/* linked list */
…		…
234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
235	static int coro_nready;	261	static int coro_nready;
236	static struct coro *coro_first;	262	static struct coro *coro_first;
237		263
238	/ 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	}
239		295
240	static AV *	296	static AV *
241	coro_clone_padlist (pTHX_ CV *cv)	297	coro_clone_padlist (pTHX_ CV *cv)
242	{	298	{
243	AV *padlist = CvPADLIST (cv);	299	AV *padlist = CvPADLIST (cv);
…		…
316	MAGIC *mg;	372	MAGIC *mg;
317		373
318	if (SvROK (coro))	374	if (SvROK (coro))
319	coro = SvRV (coro);	375	coro = SvRV (coro);
320		376
321	if (SvTYPE (coro) != SVt_PVHV)	377	if (expect_false (SvTYPE (coro) != SVt_PVHV))
322	croak ("Coro::State object required");	378	croak ("Coro::State object required");
323		379
324	stash = SvSTASH (coro);	380	stash = SvSTASH (coro);
325	if (stash != coro_stash && stash != coro_state_stash)	381	if (expect_false (stash != coro_stash && stash != coro_state_stash))
326	{	382	{
327	/* very slow, but rare, check */	383	/* very slow, but rare, check */
328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329	croak ("Coro::State object required");	385	croak ("Coro::State object required");
330	}	386	}
…		…
340	get_padlist (pTHX_ CV *cv)	396	get_padlist (pTHX_ CV *cv)
341	{	397	{
342	MAGIC *mg = CORO_MAGIC (cv);	398	MAGIC *mg = CORO_MAGIC (cv);
343	AV *av;	399	AV *av;
344		400
345	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
346	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
347	else	403	else
348	{	404	{
349	#if CORO_PREFER_PERL_FUNCTIONS	405	#if CORO_PREFER_PERL_FUNCTIONS
350	/* this is probably cleaner, but also slower? */	406	/* this is probably cleaner, but also slower? */
…		…
362	put_padlist (pTHX_ CV *cv)	418	put_padlist (pTHX_ CV *cv)
363	{	419	{
364	MAGIC *mg = CORO_MAGIC (cv);	420	MAGIC *mg = CORO_MAGIC (cv);
365	AV *av;	421	AV *av;
366		422
367	if (!mg)	423	if (expect_false (!mg))
368	{	424	{
369	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
370	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
371	mg->mg_virtual = &vtbl_coro;	427	mg->mg_virtual = &vtbl_coro;
372	mg->mg_obj = (SV *)newAV ();	428	mg->mg_obj = (SV *)newAV ();
373	}	429	}
374		430
375	av = (AV *)mg->mg_obj;	431	av = (AV *)mg->mg_obj;
376		432
377	if (AvFILLp (av) >= AvMAX (av))	433	if (expect_false (AvFILLp (av) >= AvMAX (av)))
378	av_extend (av, AvMAX (av) + 1);	434	av_extend (av, AvMAX (av) + 1);
379		435
380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	436	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
381	}	437	}
382		438
383	/ load & save, init *****************************************************/	439	/ load & save, init *****************************************************/
384		440
385	static void	441	static void
386	load_perl (pTHX_ Coro__State c)	442	load_perl (pTHX_ Coro__State c)
387	{	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
388	#define VAR(name,type) PL_ ## name = c->name;	454	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	455	# include "state.h"
390	#undef VAR	456	#undef VAR
391		457
392	GvSV (PL_defgv) = c->defsv;	458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
393	GvAV (PL_defgv) = c->defav;	459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
394	GvSV (PL_errgv) = c->errsv;
395	GvSV (irsgv) = c->irssv_sv;
396		460
397	{	461	{
398	dSP;	462	dSP;
		463
399	CV *cv;	464	CV *cv;
400		465
401	/* now do the ugly restore mess */	466	/* now do the ugly restore mess */
402	while ((cv = (CV *)POPs))	467	while (expect_true (cv = (CV *)POPs))
403	{	468	{
404	put_padlist (aTHX_ cv); /* mark this padlist as available */	469	put_padlist (aTHX_ cv); /* mark this padlist as available */
405	CvDEPTH (cv) = PTR2IV (POPs);	470	CvDEPTH (cv) = PTR2IV (POPs);
406	CvPADLIST (cv) = (AV *)POPs;	471	CvPADLIST (cv) = (AV *)POPs;
407	}	472	}
…		…
426		491
427	XPUSHs (Nullsv);	492	XPUSHs (Nullsv);
428	/* this loop was inspired by pp_caller */	493	/* this loop was inspired by pp_caller */
429	for (;;)	494	for (;;)
430	{	495	{
431	while (cxix >= 0)	496	while (expect_true (cxix >= 0))
432	{	497	{
433	PERL_CONTEXT *cx = &ccstk[cxix--];	498	PERL_CONTEXT *cx = &ccstk[cxix--];
434		499
435	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	500	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
436	{	501	{
437	CV *cv = cx->blk_sub.cv;	502	CV *cv = cx->blk_sub.cv;
438		503
439	if (CvDEPTH (cv))	504	if (expect_true (CvDEPTH (cv)))
440	{	505	{
441	EXTEND (SP, 3);	506	EXTEND (SP, 3);
442	PUSHs ((SV *)CvPADLIST (cv));	507	PUSHs ((SV *)CvPADLIST (cv));
443	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
444	PUSHs ((SV *)cv);	509	PUSHs ((SV *)cv);
…		…
447	get_padlist (aTHX_ cv);	512	get_padlist (aTHX_ cv);
448	}	513	}
449	}	514	}
450	}	515	}
451		516
452	if (top_si->si_type == PERLSI_MAIN)	517	if (expect_true (top_si->si_type == PERLSI_MAIN))
453	break;	518	break;
454		519
455	top_si = top_si->si_prev;	520	top_si = top_si->si_prev;
456	ccstk = top_si->si_cxstack;	521	ccstk = top_si->si_cxstack;
457	cxix = top_si->si_cxix;	522	cxix = top_si->si_cxix;
458	}	523	}
459		524
460	PUTBACK;	525	PUTBACK;
461	}	526	}
462		527
		528	/* allocate some space on the context stack for our purposes */
		529	/* we manually unroll here, as usually 2 slots is enough */
		530	if (SLOT_COUNT >= 1) CXINC;
		531	if (SLOT_COUNT >= 2) CXINC;
		532	if (SLOT_COUNT >= 3) CXINC;
		533	{
		534	int i;
		535	for (i = 3; i < SLOT_COUNT; ++i)
		536	CXINC;
		537	}
		538	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		539
		540	c->mainstack = PL_mainstack;
		541
		542	{
		543	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		544
463	c->defav = GvAV (PL_defgv);	545	slot->defav = GvAV (PL_defgv);
464	c->defsv = DEFSV;	546	slot->defsv = DEFSV;
465	c->errsv = ERRSV;	547	slot->errsv = ERRSV;
466	c->irssv_sv = GvSV (irsgv);	548	slot->irsgv = GvSV (irsgv);
467		549
468	#define VAR(name,type)c->name = PL_ ## name;	550	#define VAR(name,type) slot->name = PL_ ## name;
469	# include "state.h"	551	# include "state.h"
470	#undef VAR	552	#undef VAR
		553	}
471	}	554	}
472		555
473	/*	556	/*
474	* allocate various perl stacks. This is an exact copy	557	* allocate various perl stacks. This is an exact copy
475	* of perl.c:init_stacks, except that it uses less memory	558	* of perl.c:init_stacks, except that it uses less memory
476	* on the (sometimes correct) assumption that coroutines do	559	* on the (sometimes correct) assumption that coroutines do
477	* not usually need a lot of stackspace.	560	* not usually need a lot of stackspace.
478	*/	561	*/
479	#if CORO_PREFER_PERL_FUNCTIONS	562	#if 1
480	# define coro_init_stacks init_stacks	563	# define coro_init_stacks init_stacks
481	#else	564	#else
482	static void	565	static void
483	coro_init_stacks (pTHX)	566	coro_init_stacks (pTHX)
484	{	567	{
485	PL_curstackinfo = new_stackinfo(64, 6);	568	PL_curstackinfo = new_stackinfo(32, 8);
486	PL_curstackinfo->si_type = PERLSI_MAIN;	569	PL_curstackinfo->si_type = PERLSI_MAIN;
487	PL_curstack = PL_curstackinfo->si_stack;	570	PL_curstack = PL_curstackinfo->si_stack;
488	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	571	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
489		572
490	PL_stack_base = AvARRAY(PL_curstack);	573	PL_stack_base = AvARRAY(PL_curstack);
491	PL_stack_sp = PL_stack_base;	574	PL_stack_sp = PL_stack_base;
492	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	575	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
493		576
494	New(50,PL_tmps_stack,64,SV*);	577	New(50,PL_tmps_stack,32,SV*);
495	PL_tmps_floor = -1;	578	PL_tmps_floor = -1;
496	PL_tmps_ix = -1;	579	PL_tmps_ix = -1;
497	PL_tmps_max = 64;	580	PL_tmps_max = 32;
498		581
499	New(54,PL_markstack,16,I32);	582	New(54,PL_markstack,16,I32);
500	PL_markstack_ptr = PL_markstack;	583	PL_markstack_ptr = PL_markstack;
501	PL_markstack_max = PL_markstack + 16;	584	PL_markstack_max = PL_markstack + 16;
502		585
503	#ifdef SET_MARK_OFFSET	586	#ifdef SET_MARK_OFFSET
504	SET_MARK_OFFSET;	587	SET_MARK_OFFSET;
505	#endif	588	#endif
506		589
507	New(54,PL_scopestack,16,I32);	590	New(54,PL_scopestack,8,I32);
508	PL_scopestack_ix = 0;	591	PL_scopestack_ix = 0;
509	PL_scopestack_max = 16;	592	PL_scopestack_max = 8;
510		593
511	New(54,PL_savestack,64,ANY);	594	New(54,PL_savestack,24,ANY);
512	PL_savestack_ix = 0;	595	PL_savestack_ix = 0;
513	PL_savestack_max = 64;	596	PL_savestack_max = 24;
514		597
515	#if !PERL_VERSION_ATLEAST (5,9,0)	598	#if !PERL_VERSION_ATLEAST (5,9,0)
516	New(54,PL_retstack,4,OP*);	599	New(54,PL_retstack,4,OP*);
517	PL_retstack_ix = 0;	600	PL_retstack_ix = 0;
518	PL_retstack_max = 4;	601	PL_retstack_max = 4;
…		…
555	{	638	{
556	size_t rss = sizeof (*coro);	639	size_t rss = sizeof (*coro);
557		640
558	if (coro->mainstack)	641	if (coro->mainstack)
559	{	642	{
		643	perl_slots tmp_slot;
		644	perl_slots *slot;
		645
560	if (coro->flags & CF_RUNNING)	646	if (coro->flags & CF_RUNNING)
561	{	647	{
		648	slot = &tmp_slot;
		649
562	#define VAR(name,type)coro->name = PL_ ## name;	650	#define VAR(name,type) slot->name = PL_ ## name;
563	# include "state.h"	651	# include "state.h"
564	#undef VAR	652	#undef VAR
565	}	653	}
		654	else
		655	slot = coro->slot;
566		656
567	rss += sizeof (coro->curstackinfo);	657	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);	658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
571	rss += coro->tmps_max * sizeof (SV *);	660	rss += slot->tmps_max * sizeof (SV *);
572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
573	rss += coro->scopestack_max * sizeof (I32);	662	rss += slot->scopestack_max * sizeof (I32);
574	rss += coro->savestack_max * sizeof (ANY);	663	rss += slot->savestack_max * sizeof (ANY);
575		664
576	#if !PERL_VERSION_ATLEAST (5,9,0)	665	#if !PERL_VERSION_ATLEAST (5,9,0)
577	rss += coro->retstack_max * sizeof (OP *);	666	rss += slot->retstack_max * sizeof (OP *);
578	#endif	667	#endif
579	}	668	}
580		669
581	return rss;	670	return rss;
582	}	671	}
…		…
594	PL_runops = RUNOPS_DEFAULT;	683	PL_runops = RUNOPS_DEFAULT;
595	PL_curcop = &PL_compiling;	684	PL_curcop = &PL_compiling;
596	PL_in_eval = EVAL_NULL;	685	PL_in_eval = EVAL_NULL;
597	PL_comppad = 0;	686	PL_comppad = 0;
598	PL_curpm = 0;	687	PL_curpm = 0;
		688	PL_curpad = 0;
599	PL_localizing = 0;	689	PL_localizing = 0;
600	PL_dirty = 0;	690	PL_dirty = 0;
601	PL_restartop = 0;	691	PL_restartop = 0;
		692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
602		694
603	GvSV (PL_defgv) = NEWSV (0, 0);	695	GvSV (PL_defgv) = newSV (0);
604	GvAV (PL_defgv) = coro->args; coro->args = 0;	696	GvAV (PL_defgv) = coro->args; coro->args = 0;
605	GvSV (PL_errgv) = NEWSV (0, 0);	697	GvSV (PL_errgv) = newSV (0);
606	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607	PL_rs = newSVsv (GvSV (irsgv));	699	PL_rs = newSVsv (GvSV (irsgv));
608		700	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		701
618	{	702	{
619	dSP;	703	dSP;
620	LOGOP myop;	704	LOGOP myop;
621		705
622	Zero (&myop, 1, LOGOP);	706	Zero (&myop, 1, LOGOP);
623	myop.op_next = Nullop;	707	myop.op_next = Nullop;
624	myop.op_flags = OPf_WANT_VOID;	708	myop.op_flags = OPf_WANT_VOID;
625		709
626	PUSHMARK (SP);	710	PUSHMARK (SP);
627	XPUSHs (av_shift (GvAV (PL_defgv)));	711	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
628	PUTBACK;	712	PUTBACK;
629	PL_op = (OP *)&myop;	713	PL_op = (OP *)&myop;
630	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
631	SPAGAIN;	715	SPAGAIN;
632	}	716	}
633		717
634	ENTER; /* necessary e.g. for dounwind */	718	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
635	}	719	}
636		720
637	static void	721	static void
638	coro_destroy (pTHX_ struct coro *coro)	722	coro_destroy (pTHX_ struct coro *coro)
639	{	723	{
…		…
659	SvREFCNT_dec (GvSV (PL_errgv));	743	SvREFCNT_dec (GvSV (PL_errgv));
660	SvREFCNT_dec (PL_defoutgv);	744	SvREFCNT_dec (PL_defoutgv);
661	SvREFCNT_dec (PL_rs);	745	SvREFCNT_dec (PL_rs);
662	SvREFCNT_dec (GvSV (irsgv));	746	SvREFCNT_dec (GvSV (irsgv));
663		747
		748	SvREFCNT_dec (PL_diehook);
		749	SvREFCNT_dec (PL_warnhook);
		750
664	SvREFCNT_dec (coro->saved_deffh);	751	SvREFCNT_dec (coro->saved_deffh);
665	//SvREFCNT_dec (coro->throw);	752	SvREFCNT_dec (coro->throw);
666		753
667	coro_destroy_stacks (aTHX);	754	coro_destroy_stacks (aTHX);
668	}	755	}
669		756
670	static void	757	static void
671	free_coro_mortal (pTHX)	758	free_coro_mortal (pTHX)
672	{	759	{
673	if (coro_mortal)	760	if (expect_true (coro_mortal))
674	{	761	{
675	SvREFCNT_dec (coro_mortal);	762	SvREFCNT_dec (coro_mortal);
676	coro_mortal = 0;	763	coro_mortal = 0;
677	}	764	}
678	}	765	}
…		…
707	bot = PL_stack_base + cx->blk_oldsp + 1;	794	bot = PL_stack_base + cx->blk_oldsp + 1;
708	top = cx->blk_gimme == G_ARRAY ? SP + 1	795	top = cx->blk_gimme == G_ARRAY ? SP + 1
709	: cx->blk_gimme == G_SCALAR ? bot + 1	796	: cx->blk_gimme == G_SCALAR ? bot + 1
710	: bot;	797	: bot;
711		798
		799	av_extend (av, top - bot);
712	while (bot < top)	800	while (bot < top)
713	av_push (av, SvREFCNT_inc (*bot++));	801	av_push (av, SvREFCNT_inc (*bot++));
714		802
715	PL_runops = RUNOPS_DEFAULT;	803	PL_runops = RUNOPS_DEFAULT;
716	ENTER;	804	ENTER;
…		…
719	PUSHMARK (SP);	807	PUSHMARK (SP);
720	PUSHs (&PL_sv_no);	808	PUSHs (&PL_sv_no);
721	PUSHs (fullname);	809	PUSHs (fullname);
722	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	810	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
723	PUTBACK;	811	PUTBACK;
724	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	812	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
725	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	813	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
726	SPAGAIN;	814	SPAGAIN;
727	FREETMPS;	815	FREETMPS;
728	LEAVE;	816	LEAVE;
729	PL_runops = runops_trace;	817	PL_runops = runops_trace;
…		…
758	PUSHMARK (SP);	846	PUSHMARK (SP);
759	PUSHs (&PL_sv_yes);	847	PUSHs (&PL_sv_yes);
760	PUSHs (fullname);	848	PUSHs (fullname);
761	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	849	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
762	PUTBACK;	850	PUTBACK;
763	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	851	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
764	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	852	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
765	SPAGAIN;	853	SPAGAIN;
766	FREETMPS;	854	FREETMPS;
767	LEAVE;	855	LEAVE;
768	PL_runops = runops_trace;	856	PL_runops = runops_trace;
…		…
782	PL_runops = RUNOPS_DEFAULT;	870	PL_runops = RUNOPS_DEFAULT;
783	PUSHMARK (SP);	871	PUSHMARK (SP);
784	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	872	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
785	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	873	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
786	PUTBACK;	874	PUTBACK;
787	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	875	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
788	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	876	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
789	SPAGAIN;	877	SPAGAIN;
790	FREETMPS;	878	FREETMPS;
791	LEAVE;	879	LEAVE;
792	PL_runops = runops_trace;	880	PL_runops = runops_trace;
…		…
802		890
803	/* inject a fake call to Coro::State::_cctx_init into the execution */	891	/* inject a fake call to Coro::State::_cctx_init into the execution */
804	/* _cctx_init should be careful, as it could be called at almost any time */	892	/* _cctx_init should be careful, as it could be called at almost any time */
805	/* during execution of a perl program */	893	/* during execution of a perl program */
806	static void NOINLINE	894	static void NOINLINE
807	prepare_cctx (pTHX_ coro_cctx *cctx)	895	cctx_prepare (pTHX_ coro_cctx *cctx)
808	{	896	{
809	dSP;	897	dSP;
810	LOGOP myop;	898	LOGOP myop;
811		899
812	PL_top_env = &PL_start_env;	900	PL_top_env = &PL_start_env;
…		…
830		918
831	/*	919	/*
832	* this is a _very_ stripped down perl interpreter ;)	920	* this is a _very_ stripped down perl interpreter ;)
833	*/	921	*/
834	static void	922	static void
835	coro_run (void *arg)	923	cctx_run (void *arg)
836	{	924	{
837	dTHX;	925	dTHX;
838		926
839	/* coro_run is the alternative tail of transfer(), so unlock here. */	927	/* cctx_run is the alternative tail of transfer(), so unlock here. */
840	UNLOCK;	928	UNLOCK;
841		929
842	/* we now skip the entersub that lead to transfer() */	930	/* we now skip the entersub that lead to transfer() */
843	PL_op = PL_op->op_next;	931	PL_op = PL_op->op_next;
844		932
845	/* inject a fake subroutine call to cctx_init */	933	/* inject a fake subroutine call to cctx_init */
846	prepare_cctx (aTHX_ (coro_cctx *)arg);	934	cctx_prepare (aTHX_ (coro_cctx *)arg);
847		935
848	/* somebody or something will hit me for both perl_run and PL_restartop */	936	/* somebody or something will hit me for both perl_run and PL_restartop */
849	PL_restartop = PL_op;	937	PL_restartop = PL_op;
850	perl_run (PL_curinterp);	938	perl_run (PL_curinterp);
851		939
…		…
870	++cctx_count;	958	++cctx_count;
871		959
872	Newz (0, cctx, 1, coro_cctx);	960	Newz (0, cctx, 1, coro_cctx);
873		961
874	#if HAVE_MMAP	962	#if HAVE_MMAP
875
876	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	963	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
877	/* mmap supposedly does allocate-on-write for us */	964	/* mmap supposedly does allocate-on-write for us */
878	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	965	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
879		966
880	if (cctx->sptr != (void *)-1)	967	if (cctx->sptr != (void *)-1)
…		…
901	stack_start = cctx->sptr;	988	stack_start = cctx->sptr;
902	stack_size = cctx->ssize;	989	stack_size = cctx->ssize;
903	}	990	}
904		991
905	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	992	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
906	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	993	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
907		994
908	return cctx;	995	return cctx;
909	}	996	}
910		997
911	static void	998	static void
…		…
928	Safefree (cctx->sptr);	1015	Safefree (cctx->sptr);
929		1016
930	Safefree (cctx);	1017	Safefree (cctx);
931	}	1018	}
932		1019
		1020	/* wether this cctx should be destructed */
		1021	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1022
933	static coro_cctx *	1023	static coro_cctx *
934	cctx_get (pTHX)	1024	cctx_get (pTHX)
935	{	1025	{
936	while (cctx_first)	1026	while (expect_true (cctx_first))
937	{	1027	{
938	coro_cctx *cctx = cctx_first;	1028	coro_cctx *cctx = cctx_first;
939	cctx_first = cctx->next;	1029	cctx_first = cctx->next;
940	--cctx_idle;	1030	--cctx_idle;
941		1031
942	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1032	if (expect_true (!CCTX_EXPIRED (cctx)))
943	return cctx;	1033	return cctx;
944		1034
945	cctx_destroy (cctx);	1035	cctx_destroy (cctx);
946	}	1036	}
947		1037
…		…
950		1040
951	static void	1041	static void
952	cctx_put (coro_cctx *cctx)	1042	cctx_put (coro_cctx *cctx)
953	{	1043	{
954	/* free another cctx if overlimit */	1044	/* free another cctx if overlimit */
955	if (cctx_idle >= MAX_IDLE_CCTX)	1045	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
956	{	1046	{
957	coro_cctx *first = cctx_first;	1047	coro_cctx *first = cctx_first;
958	cctx_first = first->next;	1048	cctx_first = first->next;
959	--cctx_idle;	1049	--cctx_idle;
960		1050
…		…
966	cctx_first = cctx;	1056	cctx_first = cctx;
967	}	1057	}
968		1058
969	/ coroutine switching ***************************************************/	1059	/ coroutine switching ***************************************************/
970		1060
971	static void NOINLINE	1061	static void
972	transfer_check (pTHX_ struct coro prev, struct coro next)	1062	transfer_check (pTHX_ struct coro prev, struct coro next)
973	{	1063	{
974	if (prev != next)	1064	if (expect_true (prev != next))
975	{	1065	{
976	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1066	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
977	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1067	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
978		1068
979	if (next->flags & CF_RUNNING)	1069	if (expect_false (next->flags & CF_RUNNING))
980	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1070	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
981		1071
982	if (next->flags & CF_DESTROYED)	1072	if (expect_false (next->flags & CF_DESTROYED))
983	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1073	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
984		1074
		1075	if (
		1076	#if PERL_VERSION_ATLEAST (5,9,0)
		1077	expect_false (PL_parser)
		1078	#else
985	if (PL_lex_state != LEX_NOTPARSING)	1079	expect_false (PL_lex_state != LEX_NOTPARSING)
		1080	#endif
		1081	)
986	croak ("Coro::State::transfer called while parsing, but this is not supported");	1082	croak ("Coro::State::transfer called while parsing, but this is not supported");
987	}	1083	}
988	}	1084	}
989		1085
990	/* always use the TRANSFER macro */	1086	/* always use the TRANSFER macro */
…		…
992	transfer (pTHX_ struct coro prev, struct coro next)	1088	transfer (pTHX_ struct coro prev, struct coro next)
993	{	1089	{
994	dSTACKLEVEL;	1090	dSTACKLEVEL;
995		1091
996	/* sometimes transfer is only called to set idle_sp */	1092	/* sometimes transfer is only called to set idle_sp */
997	if (!next)	1093	if (expect_false (!next))
998	{	1094	{
999	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1095	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1000	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1096	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1001	}	1097	}
1002	else if (prev != next)	1098	else if (expect_true (prev != next))
1003	{	1099	{
1004	coro_cctx *prev__cctx;	1100	coro_cctx *prev__cctx;
1005		1101
1006	if (prev->flags & CF_NEW)	1102	if (expect_false (prev->flags & CF_NEW))
1007	{	1103	{
1008	/* create a new empty context */	1104	/* create a new empty context */
1009	Newz (0, prev->cctx, 1, coro_cctx);	1105	Newz (0, prev->cctx, 1, coro_cctx);
1010	prev->flags &= ~CF_NEW;	1106	prev->flags &= ~CF_NEW;
1011	prev->flags \|= CF_RUNNING;	1107	prev->flags \|= CF_RUNNING;
…		…
1014	prev->flags &= ~CF_RUNNING;	1110	prev->flags &= ~CF_RUNNING;
1015	next->flags \|= CF_RUNNING;	1111	next->flags \|= CF_RUNNING;
1016		1112
1017	LOCK;	1113	LOCK;
1018		1114
1019	if (next->flags & CF_NEW)	1115	if (expect_false (next->flags & CF_NEW))
1020	{	1116	{
1021	/* need to start coroutine */	1117	/* need to start coroutine */
1022	next->flags &= ~CF_NEW;	1118	next->flags &= ~CF_NEW;
1023	/* first get rid of the old state */	1119	/* first get rid of the old state */
1024	save_perl (aTHX_ prev);	1120	save_perl (aTHX_ prev);
…		…
1033	}	1129	}
1034		1130
1035	prev__cctx = prev->cctx;	1131	prev__cctx = prev->cctx;
1036		1132
1037	/* possibly "free" the cctx */	1133	/* possibly "free" the cctx */
1038	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1134	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1039	{	1135	{
1040	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1136	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1041	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1137	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1042		1138
1043	prev->cctx = 0;	1139	prev->cctx = 0;
1044		1140
		1141	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1142	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1143	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1144	if (!next->cctx)
		1145	next->cctx = cctx_get (aTHX);
		1146
1045	cctx_put (prev__cctx);	1147	cctx_put (prev__cctx);
1046	}	1148	}
1047		1149
1048	++next->usecount;	1150	++next->usecount;
1049		1151
1050	if (!next->cctx)	1152	if (expect_true (!next->cctx))
1051	next->cctx = cctx_get (aTHX);	1153	next->cctx = cctx_get (aTHX);
1052		1154
1053	if (prev__cctx != next->cctx)	1155	if (expect_false (prev__cctx != next->cctx))
1054	{	1156	{
1055	prev__cctx->top_env = PL_top_env;	1157	prev__cctx->top_env = PL_top_env;
1056	PL_top_env = next->cctx->top_env;	1158	PL_top_env = next->cctx->top_env;
1057	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1159	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1058	}	1160	}
1059		1161
1060	free_coro_mortal (aTHX);	1162	free_coro_mortal (aTHX);
1061	UNLOCK;	1163	UNLOCK;
		1164
		1165	if (expect_false (prev->throw \|\| next->throw))
		1166	{
		1167	struct coro *coro = SvSTATE (coro_current);
		1168
		1169	if (coro->throw)
		1170	{
		1171	SV *exception = coro->throw;
		1172	coro->throw = 0;
		1173	sv_setsv (ERRSV, exception);
		1174	croak (0);
		1175	}
		1176	}
1062	}	1177	}
1063	}	1178	}
1064		1179
1065	struct transfer_args	1180	struct transfer_args
1066	{	1181	{
…		…
1101	save_perl (aTHX_ &temp);	1216	save_perl (aTHX_ &temp);
1102	load_perl (aTHX_ coro);	1217	load_perl (aTHX_ coro);
1103		1218
1104	coro_destroy (aTHX_ coro);	1219	coro_destroy (aTHX_ coro);
1105		1220
1106	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1221	load_perl (aTHX_ &temp);
1107		1222
1108	coro->mainstack = 0;	1223	coro->slot = 0;
1109	}	1224	}
1110		1225
1111	cctx_destroy (coro->cctx);	1226	cctx_destroy (coro->cctx);
1112	SvREFCNT_dec (coro->args);	1227	SvREFCNT_dec (coro->args);
1113		1228
…		…
1238	{	1353	{
1239	LOCK;	1354	LOCK;
1240	next_sv = coro_deq (aTHX_ PRIO_MIN);	1355	next_sv = coro_deq (aTHX_ PRIO_MIN);
1241		1356
1242	/* nothing to schedule: call the idle handler */	1357	/* nothing to schedule: call the idle handler */
1243	if (!next_sv)	1358	if (expect_false (!next_sv))
1244	{	1359	{
1245	dSP;	1360	dSP;
1246	UNLOCK;	1361	UNLOCK;
1247		1362
1248	ENTER;	1363	ENTER;
…		…
1258	}	1373	}
1259		1374
1260	ta->next = SvSTATE (next_sv);	1375	ta->next = SvSTATE (next_sv);
1261		1376
1262	/* cannot transfer to destroyed coros, skip and look for next */	1377	/* cannot transfer to destroyed coros, skip and look for next */
1263	if (ta->next->flags & CF_DESTROYED)	1378	if (expect_false (ta->next->flags & CF_DESTROYED))
1264	{	1379	{
1265	UNLOCK;	1380	UNLOCK;
1266	SvREFCNT_dec (next_sv);	1381	SvREFCNT_dec (next_sv);
1267	/* coro_nready is already taken care of by destroy */	1382	/* coro_nready is already taken care of by destroy */
1268	continue;	1383	continue;
…		…
1324	dTHX;	1439	dTHX;
1325	struct transfer_args ta;	1440	struct transfer_args ta;
1326		1441
1327	prepare_cede (aTHX_ &ta);	1442	prepare_cede (aTHX_ &ta);
1328		1443
1329	if (ta.prev != ta.next)	1444	if (expect_true (ta.prev != ta.next))
1330	{	1445	{
1331	TRANSFER (ta);	1446	TRANSFER (ta);
1332	return 1;	1447	return 1;
1333	}	1448	}
1334	else	1449	else
…		…
1370	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1485	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1371		1486
1372	if (coro->flags & CF_RUNNING)	1487	if (coro->flags & CF_RUNNING)
1373	PL_runops = RUNOPS_DEFAULT;	1488	PL_runops = RUNOPS_DEFAULT;
1374	else	1489	else
1375	coro->runops = RUNOPS_DEFAULT;	1490	coro->slot->runops = RUNOPS_DEFAULT;
1376	}	1491	}
1377	}	1492	}
1378		1493
1379	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1494	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1380		1495
…		…
1385	#ifdef USE_ITHREADS	1500	#ifdef USE_ITHREADS
1386	MUTEX_INIT (&coro_mutex);	1501	MUTEX_INIT (&coro_mutex);
1387	#endif	1502	#endif
1388	BOOT_PAGESIZE;	1503	BOOT_PAGESIZE;
1389		1504
1390	irsgv = gv_fetchpv ("/", 1, SVt_PV);	1505	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1506	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1507
		1508	hv_sig = coro_get_hv ("SIG", TRUE);
		1509	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1510	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1511
		1512	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1513	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1391		1514
1392	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1515	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1393		1516
1394	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1395	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1518	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1426		1549
1427	coro->hv = hv = newHV ();	1550	coro->hv = hv = newHV ();
1428	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1551	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1429	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1552	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1430		1553
		1554	av_extend (coro->args, items - 1);
1431	for (i = 1; i < items; i++)	1555	for (i = 1; i < items; i++)
1432	av_push (coro->args, newSVsv (ST (i)));	1556	av_push (coro->args, newSVsv (ST (i)));
1433	}	1557	}
1434	OUTPUT:	1558	OUTPUT:
1435	RETVAL	1559	RETVAL
…		…
1478	}	1602	}
1479		1603
1480	BARRIER;	1604	BARRIER;
1481	TRANSFER (ta);	1605	TRANSFER (ta);
1482		1606
1483	if (GIMME_V != G_VOID && ta.next != ta.prev)	1607	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1484	XSRETURN_YES;	1608	XSRETURN_YES;
1485	}	1609	}
1486		1610
1487	bool	1611	bool
1488	_destroy (SV *coro_sv)	1612	_destroy (SV *coro_sv)
…		…
1538	CODE:	1662	CODE:
1539	{	1663	{
1540	if (coro->mainstack)	1664	if (coro->mainstack)
1541	{	1665	{
1542	struct coro temp;	1666	struct coro temp;
1543	Zero (&temp, 1, struct coro);
1544		1667
1545	if (!(coro->flags & CF_RUNNING))	1668	if (!(coro->flags & CF_RUNNING))
1546	{	1669	{
1547	save_perl (aTHX_ &temp);	1670	save_perl (aTHX_ &temp);
1548	load_perl (aTHX_ coro);	1671	load_perl (aTHX_ coro);
…		…
1552	dSP;	1675	dSP;
1553	ENTER;	1676	ENTER;
1554	SAVETMPS;	1677	SAVETMPS;
1555	PUSHMARK (SP);	1678	PUSHMARK (SP);
1556	PUTBACK;	1679	PUTBACK;
		1680
1557	if (ix)	1681	if (ix)
1558	eval_sv (coderef, 0);	1682	eval_sv (coderef, 0);
1559	else	1683	else
1560	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1684	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1685
1561	SPAGAIN;	1686	SPAGAIN;
1562	FREETMPS;	1687	FREETMPS;
1563	LEAVE;	1688	LEAVE;
1564	PUTBACK;	1689	PUTBACK;
1565	}	1690	}
…		…
1623		1748
1624	BOOT:	1749	BOOT:
1625	{	1750	{
1626	int i;	1751	int i;
1627		1752
1628	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1753	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1629	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1754	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1630	av_async_pool = get_av ("Coro::async_pool", TRUE);	1755	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1631		1756
1632	coro_current = get_sv ("Coro::current", FALSE);	1757	coro_current = coro_get_sv ("Coro::current", FALSE);
1633	SvREADONLY_on (coro_current);	1758	SvREADONLY_on (coro_current);
1634		1759
1635	coro_stash = gv_stashpv ("Coro", TRUE);	1760	coro_stash = gv_stashpv ("Coro", TRUE);
1636		1761
1637	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1762	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1638	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1763	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1639	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1764	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1640	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1765	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1643		1768
1644	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1769	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1645	coro_ready[i] = newAV ();	1770	coro_ready[i] = newAV ();
1646		1771
1647	{	1772	{
1648	SV *sv = perl_get_sv("Coro::API", 1);	1773	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1774	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1649		1775
1650	coroapi.schedule = api_schedule;	1776	coroapi.schedule = api_schedule;
1651	coroapi.cede = api_cede;	1777	coroapi.cede = api_cede;
1652	coroapi.cede_notself = api_cede_notself;	1778	coroapi.cede_notself = api_cede_notself;
1653	coroapi.ready = api_ready;	1779	coroapi.ready = api_ready;
…		…
1704	CODE:	1830	CODE:
1705	RETVAL = coro_nready;	1831	RETVAL = coro_nready;
1706	OUTPUT:	1832	OUTPUT:
1707	RETVAL	1833	RETVAL
1708		1834
		1835	void
		1836	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1837	PROTOTYPE: $;$
		1838	CODE:
		1839	SvREFCNT_dec (self->throw);
		1840	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1841
1709	# for async_pool speedup	1842	# for async_pool speedup
1710	void	1843	void
1711	_pool_1 (SV *cb)	1844	_pool_1 (SV *cb)
1712	CODE:	1845	CODE:
1713	{	1846	{
1714	struct coro *coro = SvSTATE (coro_current);	1847	struct coro *coro = SvSTATE (coro_current);
1715	HV hv = (HV )SvRV (coro_current);	1848	HV hv = (HV )SvRV (coro_current);
1716	AV *defav = GvAV (PL_defgv);	1849	AV *defav = GvAV (PL_defgv);
1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1850	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1718	AV *invoke_av;	1851	AV *invoke_av;
1719	int i, len;	1852	int i, len;
1720		1853
1721	if (!invoke)	1854	if (!invoke)
1722	croak ("\3terminate\2\n");	1855	croak ("\3async_pool terminate\2\n");
1723		1856
1724	SvREFCNT_dec (coro->saved_deffh);	1857	SvREFCNT_dec (coro->saved_deffh);
1725	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1858	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1726		1859
1727	hv_store (hv, "desc", sizeof ("desc") - 1,	1860	hv_store (hv, "desc", sizeof ("desc") - 1,
1728	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1861	newSVpvn (strpair ("[async_pool]")), 0);
1729		1862
1730	invoke_av = (AV *)SvRV (invoke);	1863	invoke_av = (AV *)SvRV (invoke);
1731	len = av_len (invoke_av);	1864	len = av_len (invoke_av);
1732		1865
1733	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1866	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1753	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1886	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1754	coro->saved_deffh = 0;	1887	coro->saved_deffh = 0;
1755		1888
1756	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1889	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1757	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1890	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1758	croak ("\3terminate\2\n");	1891	croak ("\3async_pool terminate\2\n");
1759		1892
1760	av_clear (GvAV (PL_defgv));	1893	av_clear (GvAV (PL_defgv));
1761	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1894	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1762	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1895	newSVpvn (strpair ("[async_pool idle]")), 0);
1763		1896
1764	coro->prio = 0;	1897	coro->prio = 0;
1765		1898
1766	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1899	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1767	api_trace (coro_current, 0);	1900	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs. Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs.
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC