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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC vs.
Revision 1.207 by root, Tue Oct 9 22:29:27 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	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		230
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; / exception to be thrown */
211		237
212	/* async_pool */	238	/* async_pool */
213	SV *saved_deffh;	239	SV *saved_deffh;
214		240
215	/* linked list */	241	/* linked list */
216	struct coro next, prev;	242	struct coro next, prev;
217	HV hv; / the perl hash associated with this coro, if any */
218	};	243	};
219		244
220	typedef struct coro *Coro__State;	245	typedef struct coro *Coro__State;
221	typedef struct coro *Coro__State_or_hashref;	246	typedef struct coro *Coro__State_or_hashref;
222		247
…		…
234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
235	static int coro_nready;	260	static int coro_nready;
236	static struct coro *coro_first;	261	static struct coro *coro_first;
237		262
238	/ 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	}
239		294
240	static AV *	295	static AV *
241	coro_clone_padlist (pTHX_ CV *cv)	296	coro_clone_padlist (pTHX_ CV *cv)
242	{	297	{
243	AV *padlist = CvPADLIST (cv);	298	AV *padlist = CvPADLIST (cv);
…		…
316	MAGIC *mg;	371	MAGIC *mg;
317		372
318	if (SvROK (coro))	373	if (SvROK (coro))
319	coro = SvRV (coro);	374	coro = SvRV (coro);
320		375
321	if (SvTYPE (coro) != SVt_PVHV)	376	if (expect_false (SvTYPE (coro) != SVt_PVHV))
322	croak ("Coro::State object required");	377	croak ("Coro::State object required");
323		378
324	stash = SvSTASH (coro);	379	stash = SvSTASH (coro);
325	if (stash != coro_stash && stash != coro_state_stash)	380	if (expect_false (stash != coro_stash && stash != coro_state_stash))
326	{	381	{
327	/* very slow, but rare, check */	382	/* very slow, but rare, check */
328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329	croak ("Coro::State object required");	384	croak ("Coro::State object required");
330	}	385	}
…		…
340	get_padlist (pTHX_ CV *cv)	395	get_padlist (pTHX_ CV *cv)
341	{	396	{
342	MAGIC *mg = CORO_MAGIC (cv);	397	MAGIC *mg = CORO_MAGIC (cv);
343	AV *av;	398	AV *av;
344		399
345	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
346	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
347	else	402	else
348	{	403	{
349	#if CORO_PREFER_PERL_FUNCTIONS	404	#if CORO_PREFER_PERL_FUNCTIONS
350	/* this is probably cleaner, but also slower? */	405	/* this is probably cleaner, but also slower? */
…		…
362	put_padlist (pTHX_ CV *cv)	417	put_padlist (pTHX_ CV *cv)
363	{	418	{
364	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC (cv);
365	AV *av;	420	AV *av;
366		421
367	if (!mg)	422	if (expect_false (!mg))
368	{	423	{
369	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
370	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
371	mg->mg_virtual = &vtbl_coro;	426	mg->mg_virtual = &vtbl_coro;
372	mg->mg_obj = (SV *)newAV ();	427	mg->mg_obj = (SV *)newAV ();
373	}	428	}
374		429
375	av = (AV *)mg->mg_obj;	430	av = (AV *)mg->mg_obj;
376		431
377	if (AvFILLp (av) >= AvMAX (av))	432	if (expect_false (AvFILLp (av) >= AvMAX (av)))
378	av_extend (av, AvMAX (av) + 1);	433	av_extend (av, AvMAX (av) + 1);
379		434
380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	435	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
381	}	436	}
382		437
383	/ load & save, init *****************************************************/	438	/ load & save, init *****************************************************/
384		439
385	static void	440	static void
386	load_perl (pTHX_ Coro__State c)	441	load_perl (pTHX_ Coro__State c)
387	{	442	{
		443	perl_slots *slot = c->slot;
		444	c->slot = 0;
		445
		446	PL_mainstack = c->mainstack;
		447
		448	GvSV (PL_defgv) = slot->defsv;
		449	GvAV (PL_defgv) = slot->defav;
		450	GvSV (PL_errgv) = slot->errsv;
		451	GvSV (irsgv) = slot->irsgv;
		452
388	#define VAR(name,type) PL_ ## name = c->name;	453	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	454	# include "state.h"
390	#undef VAR	455	#undef VAR
391		456
392	GvSV (PL_defgv) = c->defsv;	457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
393	GvAV (PL_defgv) = c->defav;	458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
394	GvSV (PL_errgv) = c->errsv;
395	GvSV (irsgv) = c->irssv_sv;
396		459
397	{	460	{
398	dSP;	461	dSP;
		462
399	CV *cv;	463	CV *cv;
400		464
401	/* now do the ugly restore mess */	465	/* now do the ugly restore mess */
402	while ((cv = (CV *)POPs))	466	while (expect_true (cv = (CV *)POPs))
403	{	467	{
404	put_padlist (aTHX_ cv); /* mark this padlist as available */	468	put_padlist (aTHX_ cv); /* mark this padlist as available */
405	CvDEPTH (cv) = PTR2IV (POPs);	469	CvDEPTH (cv) = PTR2IV (POPs);
406	CvPADLIST (cv) = (AV *)POPs;	470	CvPADLIST (cv) = (AV *)POPs;
407	}	471	}
…		…
426		490
427	XPUSHs (Nullsv);	491	XPUSHs (Nullsv);
428	/* this loop was inspired by pp_caller */	492	/* this loop was inspired by pp_caller */
429	for (;;)	493	for (;;)
430	{	494	{
431	while (cxix >= 0)	495	while (expect_true (cxix >= 0))
432	{	496	{
433	PERL_CONTEXT *cx = &ccstk[cxix--];	497	PERL_CONTEXT *cx = &ccstk[cxix--];
434		498
435	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	499	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
436	{	500	{
437	CV *cv = cx->blk_sub.cv;	501	CV *cv = cx->blk_sub.cv;
438		502
439	if (CvDEPTH (cv))	503	if (expect_true (CvDEPTH (cv)))
440	{	504	{
441	EXTEND (SP, 3);	505	EXTEND (SP, 3);
442	PUSHs ((SV *)CvPADLIST (cv));	506	PUSHs ((SV *)CvPADLIST (cv));
443	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
444	PUSHs ((SV *)cv);	508	PUSHs ((SV *)cv);
…		…
447	get_padlist (aTHX_ cv);	511	get_padlist (aTHX_ cv);
448	}	512	}
449	}	513	}
450	}	514	}
451		515
452	if (top_si->si_type == PERLSI_MAIN)	516	if (expect_true (top_si->si_type == PERLSI_MAIN))
453	break;	517	break;
454		518
455	top_si = top_si->si_prev;	519	top_si = top_si->si_prev;
456	ccstk = top_si->si_cxstack;	520	ccstk = top_si->si_cxstack;
457	cxix = top_si->si_cxix;	521	cxix = top_si->si_cxix;
458	}	522	}
459		523
460	PUTBACK;	524	PUTBACK;
461	}	525	}
462		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
463	c->defav = GvAV (PL_defgv);	544	slot->defav = GvAV (PL_defgv);
464	c->defsv = DEFSV;	545	slot->defsv = DEFSV;
465	c->errsv = ERRSV;	546	slot->errsv = ERRSV;
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
…		…
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;
…		…
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 (SV) + 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 (SV) + 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), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	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	PL_defoutgv = (GV *)NEWSV (0, 0);
612	gv_init (PL_defoutgv, coro_state_stash, "stdout", sizeof ("stdout") - 1, 0);
613	IoTYPE (io) = IoTYPE_WRONLY;
614	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
615	IoFLAGS (io) \|= IOf_FLUSH;
616	GvIOp (PL_defoutgv) = io;
617	}
618		700
619	{	701	{
620	dSP;	702	dSP;
621	LOGOP myop;	703	LOGOP myop;
622		704
623	Zero (&myop, 1, LOGOP);	705	Zero (&myop, 1, LOGOP);
624	myop.op_next = Nullop;	706	myop.op_next = Nullop;
625	myop.op_flags = OPf_WANT_VOID;	707	myop.op_flags = OPf_WANT_VOID;
626		708
627	PUSHMARK (SP);	709	PUSHMARK (SP);
628	XPUSHs (av_shift (GvAV (PL_defgv)));	710	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
629	PUTBACK;	711	PUTBACK;
630	PL_op = (OP *)&myop;	712	PL_op = (OP *)&myop;
631	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
632	SPAGAIN;	714	SPAGAIN;
633	}	715	}
634		716
635	ENTER; /* necessary e.g. for dounwind */	717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */
636	}	718	}
637		719
638	static void	720	static void
639	coro_destroy (pTHX_ struct coro *coro)	721	coro_destroy (pTHX_ struct coro *coro)
640	{	722	{
…		…
660	SvREFCNT_dec (GvSV (PL_errgv));	742	SvREFCNT_dec (GvSV (PL_errgv));
661	SvREFCNT_dec (PL_defoutgv);	743	SvREFCNT_dec (PL_defoutgv);
662	SvREFCNT_dec (PL_rs);	744	SvREFCNT_dec (PL_rs);
663	SvREFCNT_dec (GvSV (irsgv));	745	SvREFCNT_dec (GvSV (irsgv));
664		746
		747	SvREFCNT_dec (PL_diehook);
		748	SvREFCNT_dec (PL_warnhook);
		749
665	SvREFCNT_dec (coro->saved_deffh);	750	SvREFCNT_dec (coro->saved_deffh);
666	//SvREFCNT_dec (coro->throw);	751	SvREFCNT_dec (coro->throw);
667		752
668	coro_destroy_stacks (aTHX);	753	coro_destroy_stacks (aTHX);
669	}	754	}
670		755
671	static void	756	static void
672	free_coro_mortal (pTHX)	757	free_coro_mortal (pTHX)
673	{	758	{
674	if (coro_mortal)	759	if (expect_true (coro_mortal))
675	{	760	{
676	SvREFCNT_dec (coro_mortal);	761	SvREFCNT_dec (coro_mortal);
677	coro_mortal = 0;	762	coro_mortal = 0;
678	}	763	}
679	}	764	}
…		…
708	bot = PL_stack_base + cx->blk_oldsp + 1;	793	bot = PL_stack_base + cx->blk_oldsp + 1;
709	top = cx->blk_gimme == G_ARRAY ? SP + 1	794	top = cx->blk_gimme == G_ARRAY ? SP + 1
710	: cx->blk_gimme == G_SCALAR ? bot + 1	795	: cx->blk_gimme == G_SCALAR ? bot + 1
711	: bot;	796	: bot;
712		797
		798	av_extend (av, top - bot);
713	while (bot < top)	799	while (bot < top)
714	av_push (av, SvREFCNT_inc (*bot++));	800	av_push (av, SvREFCNT_inc (*bot++));
715		801
716	PL_runops = RUNOPS_DEFAULT;	802	PL_runops = RUNOPS_DEFAULT;
717	ENTER;	803	ENTER;
…		…
720	PUSHMARK (SP);	806	PUSHMARK (SP);
721	PUSHs (&PL_sv_no);	807	PUSHs (&PL_sv_no);
722	PUSHs (fullname);	808	PUSHs (fullname);
723	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
724	PUTBACK;	810	PUTBACK;
725	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);
726	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);
727	SPAGAIN;	813	SPAGAIN;
728	FREETMPS;	814	FREETMPS;
729	LEAVE;	815	LEAVE;
730	PL_runops = runops_trace;	816	PL_runops = runops_trace;
…		…
759	PUSHMARK (SP);	845	PUSHMARK (SP);
760	PUSHs (&PL_sv_yes);	846	PUSHs (&PL_sv_yes);
761	PUSHs (fullname);	847	PUSHs (fullname);
762	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);
763	PUTBACK;	849	PUTBACK;
764	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);
765	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);
766	SPAGAIN;	852	SPAGAIN;
767	FREETMPS;	853	FREETMPS;
768	LEAVE;	854	LEAVE;
769	PL_runops = runops_trace;	855	PL_runops = runops_trace;
…		…
783	PL_runops = RUNOPS_DEFAULT;	869	PL_runops = RUNOPS_DEFAULT;
784	PUSHMARK (SP);	870	PUSHMARK (SP);
785	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
786	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
787	PUTBACK;	873	PUTBACK;
788	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);
789	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);
790	SPAGAIN;	876	SPAGAIN;
791	FREETMPS;	877	FREETMPS;
792	LEAVE;	878	LEAVE;
793	PL_runops = runops_trace;	879	PL_runops = runops_trace;
…		…
803		889
804	/* 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 */
805	/* _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 */
806	/* during execution of a perl program */	892	/* during execution of a perl program */
807	static void NOINLINE	893	static void NOINLINE
808	prepare_cctx (pTHX_ coro_cctx *cctx)	894	cctx_prepare (pTHX_ coro_cctx *cctx)
809	{	895	{
810	dSP;	896	dSP;
811	LOGOP myop;	897	LOGOP myop;
812		898
813	PL_top_env = &PL_start_env;	899	PL_top_env = &PL_start_env;
…		…
831		917
832	/*	918	/*
833	* this is a _very_ stripped down perl interpreter ;)	919	* this is a _very_ stripped down perl interpreter ;)
834	*/	920	*/
835	static void	921	static void
836	coro_run (void *arg)	922	cctx_run (void *arg)
837	{	923	{
838	dTHX;	924	dTHX;
839		925
840	/* coro_run is the alternative tail of transfer(), so unlock here. */	926	/* cctx_run is the alternative tail of transfer(), so unlock here. */
841	UNLOCK;	927	UNLOCK;
842		928
843	/* we now skip the entersub that lead to transfer() */	929	/* we now skip the entersub that lead to transfer() */
844	PL_op = PL_op->op_next;	930	PL_op = PL_op->op_next;
845		931
846	/* inject a fake subroutine call to cctx_init */	932	/* inject a fake subroutine call to cctx_init */
847	prepare_cctx (aTHX_ (coro_cctx *)arg);	933	cctx_prepare (aTHX_ (coro_cctx *)arg);
848		934
849	/* 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 */
850	PL_restartop = PL_op;	936	PL_restartop = PL_op;
851	perl_run (PL_curinterp);	937	perl_run (PL_curinterp);
852		938
…		…
871	++cctx_count;	957	++cctx_count;
872		958
873	Newz (0, cctx, 1, coro_cctx);	959	Newz (0, cctx, 1, coro_cctx);
874		960
875	#if HAVE_MMAP	961	#if HAVE_MMAP
876
877	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;
878	/* mmap supposedly does allocate-on-write for us */	963	/* mmap supposedly does allocate-on-write for us */
879	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);
880		965
881	if (cctx->sptr != (void *)-1)	966	if (cctx->sptr != (void *)-1)
…		…
902	stack_start = cctx->sptr;	987	stack_start = cctx->sptr;
903	stack_size = cctx->ssize;	988	stack_size = cctx->ssize;
904	}	989	}
905		990
906	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	991	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
907	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);
908		993
909	return cctx;	994	return cctx;
910	}	995	}
911		996
912	static void	997	static void
…		…
929	Safefree (cctx->sptr);	1014	Safefree (cctx->sptr);
930		1015
931	Safefree (cctx);	1016	Safefree (cctx);
932	}	1017	}
933		1018
		1019	/* wether this cctx should be destructed */
		1020	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1021
934	static coro_cctx *	1022	static coro_cctx *
935	cctx_get (pTHX)	1023	cctx_get (pTHX)
936	{	1024	{
937	while (cctx_first)	1025	while (expect_true (cctx_first))
938	{	1026	{
939	coro_cctx *cctx = cctx_first;	1027	coro_cctx *cctx = cctx_first;
940	cctx_first = cctx->next;	1028	cctx_first = cctx->next;
941	--cctx_idle;	1029	--cctx_idle;
942		1030
943	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1031	if (expect_true (!CCTX_EXPIRED (cctx)))
944	return cctx;	1032	return cctx;
945		1033
946	cctx_destroy (cctx);	1034	cctx_destroy (cctx);
947	}	1035	}
948		1036
…		…
951		1039
952	static void	1040	static void
953	cctx_put (coro_cctx *cctx)	1041	cctx_put (coro_cctx *cctx)
954	{	1042	{
955	/* free another cctx if overlimit */	1043	/* free another cctx if overlimit */
956	if (cctx_idle >= MAX_IDLE_CCTX)	1044	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
957	{	1045	{
958	coro_cctx *first = cctx_first;	1046	coro_cctx *first = cctx_first;
959	cctx_first = first->next;	1047	cctx_first = first->next;
960	--cctx_idle;	1048	--cctx_idle;
961		1049
…		…
967	cctx_first = cctx;	1055	cctx_first = cctx;
968	}	1056	}
969		1057
970	/ coroutine switching ***************************************************/	1058	/ coroutine switching ***************************************************/
971		1059
972	static void NOINLINE	1060	static void
973	transfer_check (pTHX_ struct coro prev, struct coro next)	1061	transfer_check (pTHX_ struct coro prev, struct coro next)
974	{	1062	{
975	if (prev != next)	1063	if (expect_true (prev != next))
976	{	1064	{
977	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1065	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
978	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");
979		1067
980	if (next->flags & CF_RUNNING)	1068	if (expect_false (next->flags & CF_RUNNING))
981	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");
982		1070
983	if (next->flags & CF_DESTROYED)	1071	if (expect_false (next->flags & CF_DESTROYED))
984	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");
985		1073
		1074	if (
		1075	#if PERL_VERSION_ATLEAST (5,9,0)
		1076	expect_false (PL_parser)
		1077	#else
986	if (PL_lex_state != LEX_NOTPARSING)	1078	expect_false (PL_lex_state != LEX_NOTPARSING)
		1079	#endif
		1080	)
987	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");
988	}	1082	}
989	}	1083	}
990		1084
991	/* always use the TRANSFER macro */	1085	/* always use the TRANSFER macro */
…		…
993	transfer (pTHX_ struct coro prev, struct coro next)	1087	transfer (pTHX_ struct coro prev, struct coro next)
994	{	1088	{
995	dSTACKLEVEL;	1089	dSTACKLEVEL;
996		1090
997	/* sometimes transfer is only called to set idle_sp */	1091	/* sometimes transfer is only called to set idle_sp */
998	if (!next)	1092	if (expect_false (!next))
999	{	1093	{
1000	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1001	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 */
1002	}	1096	}
1003	else if (prev != next)	1097	else if (expect_true (prev != next))
1004	{	1098	{
1005	coro_cctx *prev__cctx;	1099	coro_cctx *prev__cctx;
1006		1100
1007	if (prev->flags & CF_NEW)	1101	if (expect_false (prev->flags & CF_NEW))
1008	{	1102	{
1009	/* create a new empty context */	1103	/* create a new empty context */
1010	Newz (0, prev->cctx, 1, coro_cctx);	1104	Newz (0, prev->cctx, 1, coro_cctx);
1011	prev->flags &= ~CF_NEW;	1105	prev->flags &= ~CF_NEW;
1012	prev->flags \|= CF_RUNNING;	1106	prev->flags \|= CF_RUNNING;
…		…
1015	prev->flags &= ~CF_RUNNING;	1109	prev->flags &= ~CF_RUNNING;
1016	next->flags \|= CF_RUNNING;	1110	next->flags \|= CF_RUNNING;
1017		1111
1018	LOCK;	1112	LOCK;
1019		1113
1020	if (next->flags & CF_NEW)	1114	if (expect_false (next->flags & CF_NEW))
1021	{	1115	{
1022	/* need to start coroutine */	1116	/* need to start coroutine */
1023	next->flags &= ~CF_NEW;	1117	next->flags &= ~CF_NEW;
1024	/* first get rid of the old state */	1118	/* first get rid of the old state */
1025	save_perl (aTHX_ prev);	1119	save_perl (aTHX_ prev);
…		…
1034	}	1128	}
1035		1129
1036	prev__cctx = prev->cctx;	1130	prev__cctx = prev->cctx;
1037		1131
1038	/* possibly "free" the cctx */	1132	/* possibly "free" the cctx */
1039	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)))
1040	{	1134	{
1041	/* 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 */
1042	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));
1043		1137
1044	prev->cctx = 0;	1138	prev->cctx = 0;
1045		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
1046	cctx_put (prev__cctx);	1146	cctx_put (prev__cctx);
1047	}	1147	}
1048		1148
1049	++next->usecount;	1149	++next->usecount;
1050		1150
1051	if (!next->cctx)	1151	if (expect_true (!next->cctx))
1052	next->cctx = cctx_get (aTHX);	1152	next->cctx = cctx_get (aTHX);
1053		1153
1054	if (prev__cctx != next->cctx)	1154	if (expect_false (prev__cctx != next->cctx))
1055	{	1155	{
1056	prev__cctx->top_env = PL_top_env;	1156	prev__cctx->top_env = PL_top_env;
1057	PL_top_env = next->cctx->top_env;	1157	PL_top_env = next->cctx->top_env;
1058	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1158	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1059	}	1159	}
1060		1160
1061	free_coro_mortal (aTHX);	1161	free_coro_mortal (aTHX);
1062	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	}
1063	}	1176	}
1064	}	1177	}
1065		1178
1066	struct transfer_args	1179	struct transfer_args
1067	{	1180	{
…		…
1102	save_perl (aTHX_ &temp);	1215	save_perl (aTHX_ &temp);
1103	load_perl (aTHX_ coro);	1216	load_perl (aTHX_ coro);
1104		1217
1105	coro_destroy (aTHX_ coro);	1218	coro_destroy (aTHX_ coro);
1106		1219
1107	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1220	load_perl (aTHX_ &temp);
1108		1221
1109	coro->mainstack = 0;	1222	coro->slot = 0;
1110	}	1223	}
1111		1224
1112	cctx_destroy (coro->cctx);	1225	cctx_destroy (coro->cctx);
1113	SvREFCNT_dec (coro->args);	1226	SvREFCNT_dec (coro->args);
1114		1227
…		…
1239	{	1352	{
1240	LOCK;	1353	LOCK;
1241	next_sv = coro_deq (aTHX_ PRIO_MIN);	1354	next_sv = coro_deq (aTHX_ PRIO_MIN);
1242		1355
1243	/* nothing to schedule: call the idle handler */	1356	/* nothing to schedule: call the idle handler */
1244	if (!next_sv)	1357	if (expect_false (!next_sv))
1245	{	1358	{
1246	dSP;	1359	dSP;
1247	UNLOCK;	1360	UNLOCK;
1248		1361
1249	ENTER;	1362	ENTER;
…		…
1259	}	1372	}
1260		1373
1261	ta->next = SvSTATE (next_sv);	1374	ta->next = SvSTATE (next_sv);
1262		1375
1263	/* cannot transfer to destroyed coros, skip and look for next */	1376	/* cannot transfer to destroyed coros, skip and look for next */
1264	if (ta->next->flags & CF_DESTROYED)	1377	if (expect_false (ta->next->flags & CF_DESTROYED))
1265	{	1378	{
1266	UNLOCK;	1379	UNLOCK;
1267	SvREFCNT_dec (next_sv);	1380	SvREFCNT_dec (next_sv);
1268	/* coro_nready is already taken care of by destroy */	1381	/* coro_nready is already taken care of by destroy */
1269	continue;	1382	continue;
…		…
1325	dTHX;	1438	dTHX;
1326	struct transfer_args ta;	1439	struct transfer_args ta;
1327		1440
1328	prepare_cede (aTHX_ &ta);	1441	prepare_cede (aTHX_ &ta);
1329		1442
1330	if (ta.prev != ta.next)	1443	if (expect_true (ta.prev != ta.next))
1331	{	1444	{
1332	TRANSFER (ta);	1445	TRANSFER (ta);
1333	return 1;	1446	return 1;
1334	}	1447	}
1335	else	1448	else
…		…
1371	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1484	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1372		1485
1373	if (coro->flags & CF_RUNNING)	1486	if (coro->flags & CF_RUNNING)
1374	PL_runops = RUNOPS_DEFAULT;	1487	PL_runops = RUNOPS_DEFAULT;
1375	else	1488	else
1376	coro->runops = RUNOPS_DEFAULT;	1489	coro->slot->runops = RUNOPS_DEFAULT;
1377	}	1490	}
1378	}	1491	}
1379		1492
1380	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1381		1494
…		…
1386	#ifdef USE_ITHREADS	1499	#ifdef USE_ITHREADS
1387	MUTEX_INIT (&coro_mutex);	1500	MUTEX_INIT (&coro_mutex);
1388	#endif	1501	#endif
1389	BOOT_PAGESIZE;	1502	BOOT_PAGESIZE;
1390		1503
1391	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);
1392		1513
1393	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1394		1515
1395	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1396	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1427		1548
1428	coro->hv = hv = newHV ();	1549	coro->hv = hv = newHV ();
1429	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;
1430	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1431		1552
		1553	av_extend (coro->args, items - 1);
1432	for (i = 1; i < items; i++)	1554	for (i = 1; i < items; i++)
1433	av_push (coro->args, newSVsv (ST (i)));	1555	av_push (coro->args, newSVsv (ST (i)));
1434	}	1556	}
1435	OUTPUT:	1557	OUTPUT:
1436	RETVAL	1558	RETVAL
…		…
1439	# function to increase chances that they all will call transfer with the same	1561	# function to increase chances that they all will call transfer with the same
1440	# stack offset	1562	# stack offset
1441	void	1563	void
1442	_set_stacklevel (...)	1564	_set_stacklevel (...)
1443	ALIAS:	1565	ALIAS:
1444	Coro::State::transfer = 1	1566	Coro::State::transfer = 1
1445	Coro::schedule = 2	1567	Coro::schedule = 2
1446	Coro::cede = 3	1568	Coro::cede = 3
1447	Coro::cede_notself = 4	1569	Coro::cede_notself = 4
		1570	Coro::Event::next = 5
		1571	Coro::Event::next_cancel = 6
1448	CODE:	1572	PPCODE:
1449	{	1573	{
1450	struct transfer_args ta;	1574	struct transfer_args ta;
		1575	int repeat = 0;
1451		1576
1452	switch (ix)	1577	do
1453	{	1578	{
		1579	switch (ix)
		1580	{
1454	case 0:	1581	case 0:
1455	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1456	ta.next = 0;	1583	ta.next = 0;
1457	break;	1584	break;
1458		1585
1459	case 1:	1586	case 1:
1460	if (items != 2)	1587	if (items != 2)
1461	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1588	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1462		1589
1463	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1590	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1464	break;	1591	break;
1465		1592
1466	case 2:	1593	case 2:
1467	prepare_schedule (aTHX_ &ta);	1594	prepare_schedule (aTHX_ &ta);
1468	break;	1595	break;
1469		1596
1470	case 3:	1597	case 3:
1471	prepare_cede (aTHX_ &ta);	1598	prepare_cede (aTHX_ &ta);
1472	break;	1599	break;
1473		1600
1474	case 4:	1601	case 4:
1475	if (!prepare_cede_notself (aTHX_ &ta))	1602	if (!prepare_cede_notself (aTHX_ &ta))
1476	XSRETURN_EMPTY;	1603	XSRETURN_EMPTY;
1477		1604
1478	break;	1605	break;
		1606
		1607	case 5:
		1608	case 6:
		1609	if (items != 1)
		1610	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
		1611
		1612	{
		1613	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
		1614
		1615	if (ev)
		1616	{
		1617	if (GIMME_V != G_VOID)
		1618	{
		1619	XPUSHs (ev);
		1620	XSRETURN (1);
		1621	}
		1622	else
		1623	XSRETURN_EMPTY;
		1624	}
		1625	}
		1626
		1627	prepare_schedule (aTHX_ &ta);
		1628	repeat = 1;
		1629	break;
		1630	}
		1631
		1632	BARRIER;
		1633	TRANSFER (ta);
		1634	BARRIER;
1479	}	1635	}
		1636	while (repeat);
1480		1637
1481	BARRIER;
1482	TRANSFER (ta);
1483
1484	if (GIMME_V != G_VOID && ta.next != ta.prev)	1638	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1485	XSRETURN_YES;	1639	XSRETURN_YES;
1486	}	1640	}
1487		1641
1488	bool	1642	bool
1489	_destroy (SV *coro_sv)	1643	_destroy (SV *coro_sv)
…		…
1539	CODE:	1693	CODE:
1540	{	1694	{
1541	if (coro->mainstack)	1695	if (coro->mainstack)
1542	{	1696	{
1543	struct coro temp;	1697	struct coro temp;
1544	Zero (&temp, 1, struct coro);
1545		1698
1546	if (!(coro->flags & CF_RUNNING))	1699	if (!(coro->flags & CF_RUNNING))
1547	{	1700	{
1548	save_perl (aTHX_ &temp);	1701	save_perl (aTHX_ &temp);
1549	load_perl (aTHX_ coro);	1702	load_perl (aTHX_ coro);
…		…
1553	dSP;	1706	dSP;
1554	ENTER;	1707	ENTER;
1555	SAVETMPS;	1708	SAVETMPS;
1556	PUSHMARK (SP);	1709	PUSHMARK (SP);
1557	PUTBACK;	1710	PUTBACK;
		1711
1558	if (ix)	1712	if (ix)
1559	eval_sv (coderef, 0);	1713	eval_sv (coderef, 0);
1560	else	1714	else
1561	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1715	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1716
1562	SPAGAIN;	1717	SPAGAIN;
1563	FREETMPS;	1718	FREETMPS;
1564	LEAVE;	1719	LEAVE;
1565	PUTBACK;	1720	PUTBACK;
1566	}	1721	}
…		…
1624		1779
1625	BOOT:	1780	BOOT:
1626	{	1781	{
1627	int i;	1782	int i;
1628		1783
1629	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1784	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1630	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1785	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1631	av_async_pool = get_av ("Coro::async_pool", TRUE);	1786	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1632		1787
1633	coro_current = get_sv ("Coro::current", FALSE);	1788	coro_current = coro_get_sv ("Coro::current", FALSE);
1634	SvREADONLY_on (coro_current);	1789	SvREADONLY_on (coro_current);
1635		1790
1636	coro_stash = gv_stashpv ("Coro", TRUE);	1791	coro_stash = gv_stashpv ("Coro", TRUE);
1637		1792
1638	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1793	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1639	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1794	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1640	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1795	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1641	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1796	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1644		1799
1645	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1800	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1646	coro_ready[i] = newAV ();	1801	coro_ready[i] = newAV ();
1647		1802
1648	{	1803	{
1649	SV *sv = perl_get_sv("Coro::API", 1);	1804	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1805	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1650		1806
1651	coroapi.schedule = api_schedule;	1807	coroapi.schedule = api_schedule;
1652	coroapi.cede = api_cede;	1808	coroapi.cede = api_cede;
1653	coroapi.cede_notself = api_cede_notself;	1809	coroapi.cede_notself = api_cede_notself;
1654	coroapi.ready = api_ready;	1810	coroapi.ready = api_ready;
…		…
1705	CODE:	1861	CODE:
1706	RETVAL = coro_nready;	1862	RETVAL = coro_nready;
1707	OUTPUT:	1863	OUTPUT:
1708	RETVAL	1864	RETVAL
1709		1865
		1866	void
		1867	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1868	PROTOTYPE: $;$
		1869	CODE:
		1870	SvREFCNT_dec (self->throw);
		1871	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1872
1710	# for async_pool speedup	1873	# for async_pool speedup
1711	void	1874	void
1712	_pool_1 (SV *cb)	1875	_pool_1 (SV *cb)
1713	CODE:	1876	CODE:
1714	{	1877	{
1715	struct coro *coro = SvSTATE (coro_current);	1878	struct coro *coro = SvSTATE (coro_current);
1716	HV hv = (HV )SvRV (coro_current);	1879	HV hv = (HV )SvRV (coro_current);
1717	AV *defav = GvAV (PL_defgv);	1880	AV *defav = GvAV (PL_defgv);
1718	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1881	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1719	AV *invoke_av;	1882	AV *invoke_av;
1720	int i, len;	1883	int i, len;
1721		1884
1722	if (!invoke)	1885	if (!invoke)
1723	croak ("\3terminate\2\n");	1886	croak ("\3async_pool terminate\2\n");
1724		1887
1725	SvREFCNT_dec (coro->saved_deffh);	1888	SvREFCNT_dec (coro->saved_deffh);
1726	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1889	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1727		1890
1728	hv_store (hv, "desc", sizeof ("desc") - 1,	1891	hv_store (hv, "desc", sizeof ("desc") - 1,
1729	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1892	newSVpvn (strpair ("[async_pool]")), 0);
1730		1893
1731	invoke_av = (AV *)SvRV (invoke);	1894	invoke_av = (AV *)SvRV (invoke);
1732	len = av_len (invoke_av);	1895	len = av_len (invoke_av);
1733		1896
1734	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1897	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1754	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1917	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1755	coro->saved_deffh = 0;	1918	coro->saved_deffh = 0;
1756		1919
1757	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1920	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1758	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1921	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1759	croak ("\3terminate\2\n");	1922	croak ("\3async_pool terminate\2\n");
1760		1923
1761	av_clear (GvAV (PL_defgv));	1924	av_clear (GvAV (PL_defgv));
1762	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1925	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1763	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1926	newSVpvn (strpair ("[async_pool idle]")), 0);
1764		1927
1765	coro->prio = 0;	1928	coro->prio = 0;
1766		1929
1767	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1930	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1768	api_trace (coro_current, 0);	1931	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC vs. Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.186 by root, Fri Oct 5 20:10:42 2007 UTC vs.
Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC