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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.192 by root, Fri Oct 5 21:51:40 2007 UTC vs.
Revision 1.232 by root, Thu Apr 24 12:40:38 2008 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
9	#include "patchlevel.h"	10	#include "patchlevel.h"
10		11
11	#include <stdio.h>	12	#include <stdio.h>
12	#include <errno.h>	13	#include <errno.h>
13	#include <assert.h>	14	#include <assert.h>
		15
		16	#ifdef WIN32
		17	# undef setjmp
		18	# undef longjmp
		19	# undef _exit
		20	# define setjmp _setjmp // deep magic, don't ask
		21	#else
		22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
14		24
15	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
16	# include <unistd.h>	26	# include <unistd.h>
17	# include <sys/mman.h>	27	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
70	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
71	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
72	# endif	82	# endif
73	#endif	83	#endif
74		84
		85	/* 5.8.8 */
		86	#ifndef GV_NOTQUAL
		87	# define GV_NOTQUAL 0
		88	#endif
		89	#ifndef newSV
		90	# define newSV(l) NEWSV(0,l)
		91	#endif
		92
		93	/* 5.11 */
		94	#ifndef CxHASARGS
		95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		96	#endif
		97
75	/* 5.8.7 */	98	/* 5.8.7 */
76	#ifndef SvRV_set	99	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	100	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif
79
80	/* 5.8.8 */
81	#ifndef GV_NOTQUAL
82	# define GV_NOTQUAL 0
83	#endif
84	#ifndef newSV
85	# define newSV(l) NEWSV(0,l)
86	#endif	101	#endif
87		102
88	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
89	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
90	#endif	105	#endif
…		…
106	#define IN_DESTRUCT (PL_main_cv == Nullcv)	121	#define IN_DESTRUCT (PL_main_cv == Nullcv)
107		122
108	#if __GNUC__ >= 3	123	#if __GNUC__ >= 3
109	# define attribute(x) __attribute__(x)	124	# define attribute(x) __attribute__(x)
110	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	125	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		126	# define expect(expr,value) __builtin_expect ((expr),(value))
111	#else	127	#else
112	# define attribute(x)	128	# define attribute(x)
113	# define BARRIER	129	# define BARRIER
		130	# define expect(expr,value) (expr)
114	#endif	131	#endif
		132
		133	#define expect_false(expr) expect ((expr) != 0, 0)
		134	#define expect_true(expr) expect ((expr) != 0, 1)
115		135
116	#define NOINLINE attribute ((noinline))	136	#define NOINLINE attribute ((noinline))
117		137
118	#include "CoroAPI.h"	138	#include "CoroAPI.h"
119		139
…		…
138	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
139	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
140	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
141	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
142	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
143	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
144		164
145	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
146	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
		169	static HV hv_sig; / %SIG */
147		170
148	/* async_pool helper stuff */	171	/* async_pool helper stuff */
149	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
150	static SV *sv_pool_size;	173	static SV *sv_pool_size;
151	static AV *av_async_pool;	174	static AV *av_async_pool;
…		…
187	CF_READY = 0x0002, /* coroutine is ready */	210	CF_READY = 0x0002, /* coroutine is ready */
188	CF_NEW = 0x0004, /* has never been switched to */	211	CF_NEW = 0x0004, /* has never been switched to */
189	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	212	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
190	};	213	};
191		214
		215	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		216	typedef struct {
		217	SV *defsv;
		218	AV *defav;
		219	SV *errsv;
		220	SV *irsgv;
		221	#define VAR(name,type) type name;
		222	# include "state.h"
		223	#undef VAR
		224	} perl_slots;
		225
		226	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		227
192	/* this is a structure representing a perl-level coroutine */	228	/* this is a structure representing a perl-level coroutine */
193	struct coro {	229	struct coro {
194	/* the c coroutine allocated to this perl coroutine, if any */	230	/* the c coroutine allocated to this perl coroutine, if any */
195	coro_cctx *cctx;	231	coro_cctx *cctx;
196		232
		233	/* process data */
		234	AV *mainstack;
		235	perl_slots slot; / basically the saved sp */
		236
197	/* data associated with this coroutine (initial args) */	237	AV args; / data associated with this coroutine (initial args) */
198	AV *args;	238	int refcnt; /* coroutines are refcounted, yes */
199	int refcnt;
200	int flags; /* CF_ flags */	239	int flags; /* CF_ flags */
201		240	HV hv; / the perl hash associated with this coro, if any */
202	/* optionally saved, might be zero */
203	AV defav; / @_ */
204	SV defsv; / $_ */
205	SV errsv; / $@ */
206	SV deffh; / default filehandle */
207	SV irssv; / $/ */
208	SV irssv_sv; / real $/ cache */
209
210	#define VAR(name,type) type name;
211	# include "state.h"
212	#undef VAR
213		241
214	/* statistics */	242	/* statistics */
215	int usecount; /* number of transfers to this coro */	243	int usecount; /* number of transfers to this coro */
216		244
217	/* coro process data */	245	/* coro process data */
218	int prio;	246	int prio;
219	//SV *throw;	247	SV throw; / exception to be thrown */
220		248
221	/* async_pool */	249	/* async_pool */
222	SV *saved_deffh;	250	SV *saved_deffh;
223		251
224	/* linked list */	252	/* linked list */
225	struct coro next, prev;	253	struct coro next, prev;
226	HV hv; / the perl hash associated with this coro, if any */
227	};	254	};
228		255
229	typedef struct coro *Coro__State;	256	typedef struct coro *Coro__State;
230	typedef struct coro *Coro__State_or_hashref;	257	typedef struct coro *Coro__State_or_hashref;
231		258
…		…
244	static int coro_nready;	271	static int coro_nready;
245	static struct coro *coro_first;	272	static struct coro *coro_first;
246		273
247	/ lowlevel stuff ********************************************************/	274	/ lowlevel stuff ********************************************************/
248		275
		276	static SV *
		277	coro_get_sv (pTHX_ const char *name, int create)
		278	{
		279	#if PERL_VERSION_ATLEAST (5,10,0)
		280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		281	get_sv (name, create);
		282	#endif
		283	return get_sv (name, create);
		284	}
		285
		286	static AV *
		287	coro_get_av (pTHX_ const char *name, int create)
		288	{
		289	#if PERL_VERSION_ATLEAST (5,10,0)
		290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		291	get_av (name, create);
		292	#endif
		293	return get_av (name, create);
		294	}
		295
		296	static HV *
		297	coro_get_hv (pTHX_ const char *name, int create)
		298	{
		299	#if PERL_VERSION_ATLEAST (5,10,0)
		300	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		301	get_hv (name, create);
		302	#endif
		303	return get_hv (name, create);
		304	}
		305
249	static AV *	306	static AV *
250	coro_clone_padlist (pTHX_ CV *cv)	307	coro_clone_padlist (pTHX_ CV *cv)
251	{	308	{
252	AV *padlist = CvPADLIST (cv);	309	AV *padlist = CvPADLIST (cv);
253	AV newpadlist, newpad;	310	AV newpadlist, newpad;
254		311
255	newpadlist = newAV ();	312	newpadlist = newAV ();
256	AvREAL_off (newpadlist);	313	AvREAL_off (newpadlist);
257	#if PERL_VERSION_ATLEAST (5,9,0)	314	#if PERL_VERSION_ATLEAST (5,10,0)
258	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	315	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
259	#else	316	#else
260	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	317	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
261	#endif	318	#endif
262	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	319	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
300		357
301	/* casting is fun. */	358	/* casting is fun. */
302	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	359	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
303	free_padlist (aTHX_ padlist);	360	free_padlist (aTHX_ padlist);
304		361
305	SvREFCNT_dec (av);
306
307	return 0;	362	return 0;
308	}	363	}
309		364
310	#define PERL_MAGIC_coro PERL_MAGIC_ext	365	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		366	#define CORO_MAGIC_type_state PERL_MAGIC_ext
311		367
312	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	368	static MGVTBL coro_cv_vtbl = {
		369	0, 0, 0, 0,
		370	coro_cv_free
		371	};
313		372
314	#define CORO_MAGIC(cv) \	373	#define CORO_MAGIC(sv,type) \
315	SvMAGIC (cv) \	374	SvMAGIC (sv) \
316	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	375	? SvMAGIC (sv)->mg_type == type \
317	? SvMAGIC (cv) \	376	? SvMAGIC (sv) \
318	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	377	: mg_find (sv, type) \
319	: 0	378	: 0
		379
		380	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		381	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
320		382
321	static struct coro *	383	static struct coro *
322	SvSTATE_ (pTHX_ SV *coro)	384	SvSTATE_ (pTHX_ SV *coro)
323	{	385	{
324	HV *stash;	386	HV *stash;
325	MAGIC *mg;	387	MAGIC *mg;
326		388
327	if (SvROK (coro))	389	if (SvROK (coro))
328	coro = SvRV (coro);	390	coro = SvRV (coro);
329		391
330	if (SvTYPE (coro) != SVt_PVHV)	392	if (expect_false (SvTYPE (coro) != SVt_PVHV))
331	croak ("Coro::State object required");	393	croak ("Coro::State object required");
332		394
333	stash = SvSTASH (coro);	395	stash = SvSTASH (coro);
334	if (stash != coro_stash && stash != coro_state_stash)	396	if (expect_false (stash != coro_stash && stash != coro_state_stash))
335	{	397	{
336	/* very slow, but rare, check */	398	/* very slow, but rare, check */
337	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	399	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
338	croak ("Coro::State object required");	400	croak ("Coro::State object required");
339	}	401	}
340		402
341	mg = CORO_MAGIC (coro);	403	mg = CORO_MAGIC_state (coro);
342	return (struct coro *)mg->mg_ptr;	404	return (struct coro *)mg->mg_ptr;
343	}	405	}
344		406
345	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	407	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
346		408
347	/* the next two functions merely cache the padlists */	409	/* the next two functions merely cache the padlists */
348	static void	410	static void
349	get_padlist (pTHX_ CV *cv)	411	get_padlist (pTHX_ CV *cv)
350	{	412	{
351	MAGIC *mg = CORO_MAGIC (cv);	413	MAGIC *mg = CORO_MAGIC_cv (cv);
352	AV *av;	414	AV *av;
353		415
354	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	416	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
355	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	417	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
356	else	418	else
357	{	419	{
358	#if CORO_PREFER_PERL_FUNCTIONS	420	#if CORO_PREFER_PERL_FUNCTIONS
359	/* this is probably cleaner, but also slower? */	421	/* this is probably cleaner, but also slower? */
…		…
368	}	430	}
369		431
370	static void	432	static void
371	put_padlist (pTHX_ CV *cv)	433	put_padlist (pTHX_ CV *cv)
372	{	434	{
373	MAGIC *mg = CORO_MAGIC (cv);	435	MAGIC *mg = CORO_MAGIC_cv (cv);
374	AV *av;	436	AV *av;
375		437
376	if (!mg)	438	if (expect_false (!mg))
377	{	439	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
378	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
379	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
380	mg->mg_virtual = &vtbl_coro;
381	mg->mg_obj = (SV *)newAV ();
382	}
383		440
384	av = (AV *)mg->mg_obj;	441	av = (AV *)mg->mg_obj;
385		442
386	if (AvFILLp (av) >= AvMAX (av))	443	if (expect_false (AvFILLp (av) >= AvMAX (av)))
387	av_extend (av, AvMAX (av) + 1);	444	av_extend (av, AvMAX (av) + 1);
388		445
389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	446	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
390	}	447	}
391		448
392	/ load & save, init *****************************************************/	449	/ load & save, init *****************************************************/
393		450
394	static void	451	static void
395	load_perl (pTHX_ Coro__State c)	452	load_perl (pTHX_ Coro__State c)
396	{	453	{
		454	perl_slots *slot = c->slot;
		455	c->slot = 0;
		456
		457	PL_mainstack = c->mainstack;
		458
		459	GvSV (PL_defgv) = slot->defsv;
		460	GvAV (PL_defgv) = slot->defav;
		461	GvSV (PL_errgv) = slot->errsv;
		462	GvSV (irsgv) = slot->irsgv;
		463
397	#define VAR(name,type) PL_ ## name = c->name;	464	#define VAR(name,type) PL_ ## name = slot->name;
398	# include "state.h"	465	# include "state.h"
399	#undef VAR	466	#undef VAR
400
401	GvSV (PL_defgv) = c->defsv;
402	GvAV (PL_defgv) = c->defav;
403	GvSV (PL_errgv) = c->errsv;
404	GvSV (irsgv) = c->irssv_sv;
405		467
406	{	468	{
407	dSP;	469	dSP;
		470
408	CV *cv;	471	CV *cv;
409		472
410	/* now do the ugly restore mess */	473	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	474	while (expect_true (cv = (CV *)POPs))
412	{	475	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	476	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	477	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	478	CvPADLIST (cv) = (AV *)POPs;
416	}	479	}
…		…
435		498
436	XPUSHs (Nullsv);	499	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	500	/* this loop was inspired by pp_caller */
438	for (;;)	501	for (;;)
439	{	502	{
440	while (cxix >= 0)	503	while (expect_true (cxix >= 0))
441	{	504	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	505	PERL_CONTEXT *cx = &ccstk[cxix--];
443		506
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	507	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	508	{
446	CV *cv = cx->blk_sub.cv;	509	CV *cv = cx->blk_sub.cv;
447		510
448	if (CvDEPTH (cv))	511	if (expect_true (CvDEPTH (cv)))
449	{	512	{
450	EXTEND (SP, 3);	513	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	514	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	515	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	516	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	519	get_padlist (aTHX_ cv);
457	}	520	}
458	}	521	}
459	}	522	}
460		523
461	if (top_si->si_type == PERLSI_MAIN)	524	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	525	break;
463		526
464	top_si = top_si->si_prev;	527	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	528	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	529	cxix = top_si->si_cxix;
467	}	530	}
468		531
469	PUTBACK;	532	PUTBACK;
470	}	533	}
471		534
		535	/* allocate some space on the context stack for our purposes */
		536	/* we manually unroll here, as usually 2 slots is enough */
		537	if (SLOT_COUNT >= 1) CXINC;
		538	if (SLOT_COUNT >= 2) CXINC;
		539	if (SLOT_COUNT >= 3) CXINC;
		540	{
		541	int i;
		542	for (i = 3; i < SLOT_COUNT; ++i)
		543	CXINC;
		544	}
		545	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		546
		547	c->mainstack = PL_mainstack;
		548
		549	{
		550	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		551
472	c->defav = GvAV (PL_defgv);	552	slot->defav = GvAV (PL_defgv);
473	c->defsv = DEFSV;	553	slot->defsv = DEFSV;
474	c->errsv = ERRSV;	554	slot->errsv = ERRSV;
475	c->irssv_sv = GvSV (irsgv);	555	slot->irsgv = GvSV (irsgv);
476		556
477	#define VAR(name,type)c->name = PL_ ## name;	557	#define VAR(name,type) slot->name = PL_ ## name;
478	# include "state.h"	558	# include "state.h"
479	#undef VAR	559	#undef VAR
		560	}
480	}	561	}
481		562
482	/*	563	/*
483	* allocate various perl stacks. This is an exact copy	564	* allocate various perl stacks. This is an exact copy
484	* of perl.c:init_stacks, except that it uses less memory	565	* of perl.c:init_stacks, except that it uses less memory
…		…
489	# define coro_init_stacks init_stacks	570	# define coro_init_stacks init_stacks
490	#else	571	#else
491	static void	572	static void
492	coro_init_stacks (pTHX)	573	coro_init_stacks (pTHX)
493	{	574	{
494	PL_curstackinfo = new_stackinfo(64, 6);	575	PL_curstackinfo = new_stackinfo(32, 8);
495	PL_curstackinfo->si_type = PERLSI_MAIN;	576	PL_curstackinfo->si_type = PERLSI_MAIN;
496	PL_curstack = PL_curstackinfo->si_stack;	577	PL_curstack = PL_curstackinfo->si_stack;
497	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	578	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
498		579
499	PL_stack_base = AvARRAY(PL_curstack);	580	PL_stack_base = AvARRAY(PL_curstack);
500	PL_stack_sp = PL_stack_base;	581	PL_stack_sp = PL_stack_base;
501	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	582	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
502		583
503	New(50,PL_tmps_stack,64,SV*);	584	New(50,PL_tmps_stack,32,SV*);
504	PL_tmps_floor = -1;	585	PL_tmps_floor = -1;
505	PL_tmps_ix = -1;	586	PL_tmps_ix = -1;
506	PL_tmps_max = 64;	587	PL_tmps_max = 32;
507		588
508	New(54,PL_markstack,16,I32);	589	New(54,PL_markstack,16,I32);
509	PL_markstack_ptr = PL_markstack;	590	PL_markstack_ptr = PL_markstack;
510	PL_markstack_max = PL_markstack + 16;	591	PL_markstack_max = PL_markstack + 16;
511		592
512	#ifdef SET_MARK_OFFSET	593	#ifdef SET_MARK_OFFSET
513	SET_MARK_OFFSET;	594	SET_MARK_OFFSET;
514	#endif	595	#endif
515		596
516	New(54,PL_scopestack,16,I32);	597	New(54,PL_scopestack,8,I32);
517	PL_scopestack_ix = 0;	598	PL_scopestack_ix = 0;
518	PL_scopestack_max = 16;	599	PL_scopestack_max = 8;
519		600
520	New(54,PL_savestack,64,ANY);	601	New(54,PL_savestack,24,ANY);
521	PL_savestack_ix = 0;	602	PL_savestack_ix = 0;
522	PL_savestack_max = 64;	603	PL_savestack_max = 24;
523		604
524	#if !PERL_VERSION_ATLEAST (5,9,0)	605	#if !PERL_VERSION_ATLEAST (5,10,0)
525	New(54,PL_retstack,4,OP*);	606	New(54,PL_retstack,4,OP*);
526	PL_retstack_ix = 0;	607	PL_retstack_ix = 0;
527	PL_retstack_max = 4;	608	PL_retstack_max = 4;
528	#endif	609	#endif
529	}	610	}
…		…
552		633
553	Safefree (PL_tmps_stack);	634	Safefree (PL_tmps_stack);
554	Safefree (PL_markstack);	635	Safefree (PL_markstack);
555	Safefree (PL_scopestack);	636	Safefree (PL_scopestack);
556	Safefree (PL_savestack);	637	Safefree (PL_savestack);
557	#if !PERL_VERSION_ATLEAST (5,9,0)	638	#if !PERL_VERSION_ATLEAST (5,10,0)
558	Safefree (PL_retstack);	639	Safefree (PL_retstack);
559	#endif	640	#endif
560	}	641	}
561		642
562	static size_t	643	static size_t
…		…
564	{	645	{
565	size_t rss = sizeof (*coro);	646	size_t rss = sizeof (*coro);
566		647
567	if (coro->mainstack)	648	if (coro->mainstack)
568	{	649	{
		650	perl_slots tmp_slot;
		651	perl_slots *slot;
		652
569	if (coro->flags & CF_RUNNING)	653	if (coro->flags & CF_RUNNING)
570	{	654	{
		655	slot = &tmp_slot;
		656
571	#define VAR(name,type)coro->name = PL_ ## name;	657	#define VAR(name,type) slot->name = PL_ ## name;
572	# include "state.h"	658	# include "state.h"
573	#undef VAR	659	#undef VAR
574	}	660	}
		661	else
		662	slot = coro->slot;
575		663
576	rss += sizeof (coro->curstackinfo);	664	rss += sizeof (slot->curstackinfo);
577	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	665	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	666	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
580	rss += coro->tmps_max * sizeof (SV *);	667	rss += slot->tmps_max * sizeof (SV *);
581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	668	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
582	rss += coro->scopestack_max * sizeof (I32);	669	rss += slot->scopestack_max * sizeof (I32);
583	rss += coro->savestack_max * sizeof (ANY);	670	rss += slot->savestack_max * sizeof (ANY);
584		671
585	#if !PERL_VERSION_ATLEAST (5,9,0)	672	#if !PERL_VERSION_ATLEAST (5,10,0)
586	rss += coro->retstack_max * sizeof (OP *);	673	rss += slot->retstack_max * sizeof (OP *);
587	#endif	674	#endif
588	}	675	}
589		676
590	return rss;	677	return rss;
591	}	678	}
592		679
593	/ coroutine stack handling **********************************************/	680	/ coroutine stack handling **********************************************/
		681
		682	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		683	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		684
		685	/*
		686	* This overrides the default magic get method of %SIG elements.
		687	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		688	* and instead of tryign to save and restore the hash elements, we just provide
		689	* readback here.
		690	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		691	* not expecting this to actually change the hook. This is a potential problem
		692	* when a schedule happens then, but we ignore this.
		693	*/
		694	static int
		695	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		696	{
		697	const char *s = MgPV_nolen_const (mg);
		698
		699	if (*s == '_')
		700	{
		701	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
		702	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
		703	}
		704
		705	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		706	}
		707
		708	static int
		709	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		710	{
		711	const char *s = MgPV_nolen_const (mg);
		712
		713	if (*s == '_')
		714	{
		715	SV **svp = 0;
		716
		717	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		718	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		719
		720	if (svp)
		721	{
		722	SV old = svp;
		723	*svp = newSVsv (sv);
		724	SvREFCNT_dec (old);
		725	return 0;
		726	}
		727	}
		728
		729	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		730	}
594		731
595	static void	732	static void
596	coro_setup (pTHX_ struct coro *coro)	733	coro_setup (pTHX_ struct coro *coro)
597	{	734	{
598	/*	735	/*
…		…
603	PL_runops = RUNOPS_DEFAULT;	740	PL_runops = RUNOPS_DEFAULT;
604	PL_curcop = &PL_compiling;	741	PL_curcop = &PL_compiling;
605	PL_in_eval = EVAL_NULL;	742	PL_in_eval = EVAL_NULL;
606	PL_comppad = 0;	743	PL_comppad = 0;
607	PL_curpm = 0;	744	PL_curpm = 0;
		745	PL_curpad = 0;
608	PL_localizing = 0;	746	PL_localizing = 0;
609	PL_dirty = 0;	747	PL_dirty = 0;
610	PL_restartop = 0;	748	PL_restartop = 0;
		749	#if PERL_VERSION_ATLEAST (5,10,0)
		750	PL_parser = 0;
		751	#endif
		752
		753	/* recreate the die/warn hooks */
		754	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		755	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
611		756
612	GvSV (PL_defgv) = newSV (0);	757	GvSV (PL_defgv) = newSV (0);
613	GvAV (PL_defgv) = coro->args; coro->args = 0;	758	GvAV (PL_defgv) = coro->args; coro->args = 0;
614	GvSV (PL_errgv) = newSV (0);	759	GvSV (PL_errgv) = newSV (0);
615	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	760	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
616	PL_rs = newSVsv (GvSV (irsgv));	761	PL_rs = newSVsv (GvSV (irsgv));
617	PL_defoutgv = SvREFCNT_inc (stdoutgv);	762	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
618
619	ENTER; /* necessary e.g. for dounwind */
620		763
621	{	764	{
622	dSP;	765	dSP;
623	LOGOP myop;	766	LOGOP myop;
624		767
…		…
631	PUTBACK;	774	PUTBACK;
632	PL_op = (OP *)&myop;	775	PL_op = (OP *)&myop;
633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	776	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
634	SPAGAIN;	777	SPAGAIN;
635	}	778	}
		779
		780	/* this newly created coroutine might be run on an existing cctx which most
		781	* likely was suspended in set_stacklevel, called from entersub.
		782	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		783	* so we ENTER here for symmetry
		784	*/
		785	ENTER;
636	}	786	}
637		787
638	static void	788	static void
639	coro_destroy (pTHX_ struct coro *coro)	789	coro_destroy (pTHX_ struct coro *coro)
640	{	790	{
…		…
660	SvREFCNT_dec (GvSV (PL_errgv));	810	SvREFCNT_dec (GvSV (PL_errgv));
661	SvREFCNT_dec (PL_defoutgv);	811	SvREFCNT_dec (PL_defoutgv);
662	SvREFCNT_dec (PL_rs);	812	SvREFCNT_dec (PL_rs);
663	SvREFCNT_dec (GvSV (irsgv));	813	SvREFCNT_dec (GvSV (irsgv));
664		814
		815	SvREFCNT_dec (PL_diehook);
		816	SvREFCNT_dec (PL_warnhook);
		817
665	SvREFCNT_dec (coro->saved_deffh);	818	SvREFCNT_dec (coro->saved_deffh);
666	//SvREFCNT_dec (coro->throw);	819	SvREFCNT_dec (coro->throw);
667		820
668	coro_destroy_stacks (aTHX);	821	coro_destroy_stacks (aTHX);
669	}	822	}
670		823
671	static void	824	static void
672	free_coro_mortal (pTHX)	825	free_coro_mortal (pTHX)
673	{	826	{
674	if (coro_mortal)	827	if (expect_true (coro_mortal))
675	{	828	{
676	SvREFCNT_dec (coro_mortal);	829	SvREFCNT_dec (coro_mortal);
677	coro_mortal = 0;	830	coro_mortal = 0;
678	}	831	}
679	}	832	}
…		…
708	bot = PL_stack_base + cx->blk_oldsp + 1;	861	bot = PL_stack_base + cx->blk_oldsp + 1;
709	top = cx->blk_gimme == G_ARRAY ? SP + 1	862	top = cx->blk_gimme == G_ARRAY ? SP + 1
710	: cx->blk_gimme == G_SCALAR ? bot + 1	863	: cx->blk_gimme == G_SCALAR ? bot + 1
711	: bot;	864	: bot;
712		865
		866	av_extend (av, top - bot);
713	while (bot < top)	867	while (bot < top)
714	av_push (av, SvREFCNT_inc (*bot++));	868	av_push (av, SvREFCNT_inc (*bot++));
715		869
716	PL_runops = RUNOPS_DEFAULT;	870	PL_runops = RUNOPS_DEFAULT;
717	ENTER;	871	ENTER;
…		…
757	SAVETMPS;	911	SAVETMPS;
758	EXTEND (SP, 3);	912	EXTEND (SP, 3);
759	PUSHMARK (SP);	913	PUSHMARK (SP);
760	PUSHs (&PL_sv_yes);	914	PUSHs (&PL_sv_yes);
761	PUSHs (fullname);	915	PUSHs (fullname);
762	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	916	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
763	PUTBACK;	917	PUTBACK;
764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	918	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	919	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
766	SPAGAIN;	920	SPAGAIN;
767	FREETMPS;	921	FREETMPS;
…		…
803		957
804	/* inject a fake call to Coro::State::_cctx_init into the execution */	958	/* 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 */	959	/* _cctx_init should be careful, as it could be called at almost any time */
806	/* during execution of a perl program */	960	/* during execution of a perl program */
807	static void NOINLINE	961	static void NOINLINE
808	prepare_cctx (pTHX_ coro_cctx *cctx)	962	cctx_prepare (pTHX_ coro_cctx *cctx)
809	{	963	{
810	dSP;	964	dSP;
811	LOGOP myop;	965	LOGOP myop;
812		966
813	PL_top_env = &PL_start_env;	967	PL_top_env = &PL_start_env;
…		…
831		985
832	/*	986	/*
833	* this is a _very_ stripped down perl interpreter ;)	987	* this is a _very_ stripped down perl interpreter ;)
834	*/	988	*/
835	static void	989	static void
836	coro_run (void *arg)	990	cctx_run (void *arg)
837	{	991	{
838	dTHX;	992	dTHX;
839		993
840	/* coro_run is the alternative tail of transfer(), so unlock here. */	994	/* cctx_run is the alternative tail of transfer(), so unlock here. */
841	UNLOCK;	995	UNLOCK;
842		996
843	/* we now skip the entersub that lead to transfer() */	997	/* we now skip the entersub that lead to transfer() */
844	PL_op = PL_op->op_next;	998	PL_op = PL_op->op_next;
845		999
846	/* inject a fake subroutine call to cctx_init */	1000	/* inject a fake subroutine call to cctx_init */
847	prepare_cctx (aTHX_ (coro_cctx *)arg);	1001	cctx_prepare (aTHX_ (coro_cctx *)arg);
848		1002
849	/* somebody or something will hit me for both perl_run and PL_restartop */	1003	/* somebody or something will hit me for both perl_run and PL_restartop */
850	PL_restartop = PL_op;	1004	PL_restartop = PL_op;
851	perl_run (PL_curinterp);	1005	perl_run (PL_curinterp);
852		1006
…		…
871	++cctx_count;	1025	++cctx_count;
872		1026
873	Newz (0, cctx, 1, coro_cctx);	1027	Newz (0, cctx, 1, coro_cctx);
874		1028
875	#if HAVE_MMAP	1029	#if HAVE_MMAP
876
877	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1030	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
878	/* mmap supposedly does allocate-on-write for us */	1031	/* 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);	1032	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
880		1033
881	if (cctx->sptr != (void *)-1)	1034	if (cctx->sptr != (void *)-1)
…		…
902	stack_start = cctx->sptr;	1055	stack_start = cctx->sptr;
903	stack_size = cctx->ssize;	1056	stack_size = cctx->ssize;
904	}	1057	}
905		1058
906	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1059	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
907	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1060	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
908		1061
909	return cctx;	1062	return cctx;
910	}	1063	}
911		1064
912	static void	1065	static void
…		…
929	Safefree (cctx->sptr);	1082	Safefree (cctx->sptr);
930		1083
931	Safefree (cctx);	1084	Safefree (cctx);
932	}	1085	}
933		1086
		1087	/* wether this cctx should be destructed */
		1088	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1089
934	static coro_cctx *	1090	static coro_cctx *
935	cctx_get (pTHX)	1091	cctx_get (pTHX)
936	{	1092	{
937	while (cctx_first)	1093	while (expect_true (cctx_first))
938	{	1094	{
939	coro_cctx *cctx = cctx_first;	1095	coro_cctx *cctx = cctx_first;
940	cctx_first = cctx->next;	1096	cctx_first = cctx->next;
941	--cctx_idle;	1097	--cctx_idle;
942		1098
943	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1099	if (expect_true (!CCTX_EXPIRED (cctx)))
944	return cctx;	1100	return cctx;
945		1101
946	cctx_destroy (cctx);	1102	cctx_destroy (cctx);
947	}	1103	}
948		1104
…		…
951		1107
952	static void	1108	static void
953	cctx_put (coro_cctx *cctx)	1109	cctx_put (coro_cctx *cctx)
954	{	1110	{
955	/* free another cctx if overlimit */	1111	/* free another cctx if overlimit */
956	if (cctx_idle >= MAX_IDLE_CCTX)	1112	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
957	{	1113	{
958	coro_cctx *first = cctx_first;	1114	coro_cctx *first = cctx_first;
959	cctx_first = first->next;	1115	cctx_first = first->next;
960	--cctx_idle;	1116	--cctx_idle;
961		1117
…		…
967	cctx_first = cctx;	1123	cctx_first = cctx;
968	}	1124	}
969		1125
970	/ coroutine switching ***************************************************/	1126	/ coroutine switching ***************************************************/
971		1127
972	static void NOINLINE	1128	static void
973	transfer_check (pTHX_ struct coro prev, struct coro next)	1129	transfer_check (pTHX_ struct coro prev, struct coro next)
974	{	1130	{
975	if (prev != next)	1131	if (expect_true (prev != next))
976	{	1132	{
977	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1133	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");	1134	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
979		1135
980	if (next->flags & CF_RUNNING)	1136	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");	1137	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
982		1138
983	if (next->flags & CF_DESTROYED)	1139	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");	1140	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
985		1141
		1142	#if !PERL_VERSION_ATLEAST (5,10,0)
986	if (PL_lex_state != LEX_NOTPARSING)	1143	if (expect_false (PL_lex_state != LEX_NOTPARSING))
987	croak ("Coro::State::transfer called while parsing, but this is not supported");	1144	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1145	#endif
988	}	1146	}
989	}	1147	}
990		1148
991	/* always use the TRANSFER macro */	1149	/* always use the TRANSFER macro */
992	static void NOINLINE	1150	static void NOINLINE
993	transfer (pTHX_ struct coro prev, struct coro next)	1151	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
994	{	1152	{
995	dSTACKLEVEL;	1153	dSTACKLEVEL;
		1154	static volatile int has_throw;
996		1155
997	/* sometimes transfer is only called to set idle_sp */	1156	/* sometimes transfer is only called to set idle_sp */
998	if (!next)	1157	if (expect_false (!next))
999	{	1158	{
1000	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1159	((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 */	1160	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1002	}	1161	}
1003	else if (prev != next)	1162	else if (expect_true (prev != next))
1004	{	1163	{
1005	coro_cctx *prev__cctx;	1164	coro_cctx *prev__cctx;
1006		1165
1007	if (prev->flags & CF_NEW)	1166	if (expect_false (prev->flags & CF_NEW))
1008	{	1167	{
1009	/* create a new empty context */	1168	/* create a new empty context */
1010	Newz (0, prev->cctx, 1, coro_cctx);	1169	Newz (0, prev->cctx, 1, coro_cctx);
1011	prev->flags &= ~CF_NEW;	1170	prev->flags &= ~CF_NEW;
1012	prev->flags \|= CF_RUNNING;	1171	prev->flags \|= CF_RUNNING;
…		…
1015	prev->flags &= ~CF_RUNNING;	1174	prev->flags &= ~CF_RUNNING;
1016	next->flags \|= CF_RUNNING;	1175	next->flags \|= CF_RUNNING;
1017		1176
1018	LOCK;	1177	LOCK;
1019		1178
		1179	/* first get rid of the old state */
		1180	save_perl (aTHX_ prev);
		1181
1020	if (next->flags & CF_NEW)	1182	if (expect_false (next->flags & CF_NEW))
1021	{	1183	{
1022	/* need to start coroutine */	1184	/* need to start coroutine */
1023	next->flags &= ~CF_NEW;	1185	next->flags &= ~CF_NEW;
1024	/* first get rid of the old state */
1025	save_perl (aTHX_ prev);
1026	/* setup coroutine call */	1186	/* setup coroutine call */
1027	coro_setup (aTHX_ next);	1187	coro_setup (aTHX_ next);
1028	}	1188	}
1029	else	1189	else
1030	{
1031	/* coroutine already started */
1032	save_perl (aTHX_ prev);
1033	load_perl (aTHX_ next);	1190	load_perl (aTHX_ next);
1034	}
1035		1191
1036	prev__cctx = prev->cctx;	1192	prev__cctx = prev->cctx;
1037		1193
1038	/* possibly "free" the cctx */	1194	/* possibly "free" the cctx */
1039	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1195	if (expect_true (
		1196	prev__cctx->idle_sp == STACKLEVEL
		1197	&& !(prev__cctx->flags & CC_TRACE)
		1198	&& !force_cctx
		1199	))
1040	{	1200	{
1041	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1201	/* 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));	1202	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1043		1203
1044	prev->cctx = 0;	1204	prev->cctx = 0;
1045		1205
		1206	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1207	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1208	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1209	if (!next->cctx)
		1210	next->cctx = cctx_get (aTHX);
		1211
1046	cctx_put (prev__cctx);	1212	cctx_put (prev__cctx);
1047	}	1213	}
1048		1214
1049	++next->usecount;	1215	++next->usecount;
1050		1216
1051	if (!next->cctx)	1217	if (expect_true (!next->cctx))
1052	next->cctx = cctx_get (aTHX);	1218	next->cctx = cctx_get (aTHX);
1053		1219
		1220	has_throw = !!next->throw;
		1221
1054	if (prev__cctx != next->cctx)	1222	if (expect_false (prev__cctx != next->cctx))
1055	{	1223	{
1056	prev__cctx->top_env = PL_top_env;	1224	prev__cctx->top_env = PL_top_env;
1057	PL_top_env = next->cctx->top_env;	1225	PL_top_env = next->cctx->top_env;
1058	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1226	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1059	}	1227	}
1060		1228
1061	free_coro_mortal (aTHX);	1229	free_coro_mortal (aTHX);
1062	UNLOCK;	1230	UNLOCK;
		1231
		1232	if (expect_false (has_throw))
		1233	{
		1234	struct coro *coro = SvSTATE (coro_current);
		1235
		1236	if (coro->throw)
		1237	{
		1238	SV *exception = coro->throw;
		1239	coro->throw = 0;
		1240	sv_setsv (ERRSV, exception);
		1241	croak (0);
		1242	}
		1243	}
1063	}	1244	}
1064	}	1245	}
1065		1246
1066	struct transfer_args	1247	struct transfer_args
1067	{	1248	{
1068	struct coro prev, next;	1249	struct coro prev, next;
1069	};	1250	};
1070		1251
1071	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1252	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1072	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1253	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1073		1254
1074	/ high level stuff ******************************************************/	1255	/ high level stuff ******************************************************/
1075		1256
1076	static int	1257	static int
…		…
1102	save_perl (aTHX_ &temp);	1283	save_perl (aTHX_ &temp);
1103	load_perl (aTHX_ coro);	1284	load_perl (aTHX_ coro);
1104		1285
1105	coro_destroy (aTHX_ coro);	1286	coro_destroy (aTHX_ coro);
1106		1287
1107	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1288	load_perl (aTHX_ &temp);
1108		1289
1109	coro->mainstack = 0;	1290	coro->slot = 0;
1110	}	1291	}
1111		1292
1112	cctx_destroy (coro->cctx);	1293	cctx_destroy (coro->cctx);
1113	SvREFCNT_dec (coro->args);	1294	SvREFCNT_dec (coro->args);
1114		1295
…		…
1170	{	1351	{
1171	dTHX;	1352	dTHX;
1172	struct transfer_args ta;	1353	struct transfer_args ta;
1173		1354
1174	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1355	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1175	TRANSFER (ta);	1356	TRANSFER (ta, 1);
1176	}	1357	}
1177		1358
1178	/ Coro ******************************************************************/	1359	/ Coro ******************************************************************/
1179		1360
1180	static void	1361	static void
…		…
1182	{	1363	{
1183	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1364	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1184	}	1365	}
1185		1366
1186	static SV *	1367	static SV *
1187	coro_deq (pTHX_ int min_prio)	1368	coro_deq (pTHX)
1188	{	1369	{
1189	int prio = PRIO_MAX - PRIO_MIN;	1370	int prio;
1190		1371
1191	min_prio -= PRIO_MIN;
1192	if (min_prio < 0)
1193	min_prio = 0;
1194
1195	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1372	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1196	if (AvFILLp (coro_ready [prio]) >= 0)	1373	if (AvFILLp (coro_ready [prio]) >= 0)
1197	return av_shift (coro_ready [prio]);	1374	return av_shift (coro_ready [prio]);
1198		1375
1199	return 0;	1376	return 0;
1200	}	1377	}
…		…
1236	SV prev_sv, next_sv;	1413	SV prev_sv, next_sv;
1237		1414
1238	for (;;)	1415	for (;;)
1239	{	1416	{
1240	LOCK;	1417	LOCK;
1241	next_sv = coro_deq (aTHX_ PRIO_MIN);	1418	next_sv = coro_deq (aTHX);
1242		1419
1243	/* nothing to schedule: call the idle handler */	1420	/* nothing to schedule: call the idle handler */
1244	if (!next_sv)	1421	if (expect_false (!next_sv))
1245	{	1422	{
1246	dSP;	1423	dSP;
1247	UNLOCK;	1424	UNLOCK;
1248		1425
1249	ENTER;	1426	ENTER;
1250	SAVETMPS;	1427	SAVETMPS;
1251		1428
1252	PUSHMARK (SP);	1429	PUSHMARK (SP);
1253	PUTBACK;	1430	PUTBACK;
1254	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1431	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1432	SPAGAIN;
1255		1433
1256	FREETMPS;	1434	FREETMPS;
1257	LEAVE;	1435	LEAVE;
1258	continue;	1436	continue;
1259	}	1437	}
1260		1438
1261	ta->next = SvSTATE (next_sv);	1439	ta->next = SvSTATE (next_sv);
1262		1440
1263	/* cannot transfer to destroyed coros, skip and look for next */	1441	/* cannot transfer to destroyed coros, skip and look for next */
1264	if (ta->next->flags & CF_DESTROYED)	1442	if (expect_false (ta->next->flags & CF_DESTROYED))
1265	{	1443	{
1266	UNLOCK;	1444	UNLOCK;
1267	SvREFCNT_dec (next_sv);	1445	SvREFCNT_dec (next_sv);
1268	/* coro_nready is already taken care of by destroy */	1446	/* coro_nready is already taken care of by destroy */
1269	continue;	1447	continue;
…		…
1314	{	1492	{
1315	dTHX;	1493	dTHX;
1316	struct transfer_args ta;	1494	struct transfer_args ta;
1317		1495
1318	prepare_schedule (aTHX_ &ta);	1496	prepare_schedule (aTHX_ &ta);
1319	TRANSFER (ta);	1497	TRANSFER (ta, 1);
1320	}	1498	}
1321		1499
1322	static int	1500	static int
1323	api_cede (void)	1501	api_cede (void)
1324	{	1502	{
1325	dTHX;	1503	dTHX;
1326	struct transfer_args ta;	1504	struct transfer_args ta;
1327		1505
1328	prepare_cede (aTHX_ &ta);	1506	prepare_cede (aTHX_ &ta);
1329		1507
1330	if (ta.prev != ta.next)	1508	if (expect_true (ta.prev != ta.next))
1331	{	1509	{
1332	TRANSFER (ta);	1510	TRANSFER (ta, 1);
1333	return 1;	1511	return 1;
1334	}	1512	}
1335	else	1513	else
1336	return 0;	1514	return 0;
1337	}	1515	}
…		…
1342	dTHX;	1520	dTHX;
1343	struct transfer_args ta;	1521	struct transfer_args ta;
1344		1522
1345	if (prepare_cede_notself (aTHX_ &ta))	1523	if (prepare_cede_notself (aTHX_ &ta))
1346	{	1524	{
1347	TRANSFER (ta);	1525	TRANSFER (ta, 1);
1348	return 1;	1526	return 1;
1349	}	1527	}
1350	else	1528	else
1351	return 0;	1529	return 0;
1352	}	1530	}
…		…
1371	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1549	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1372		1550
1373	if (coro->flags & CF_RUNNING)	1551	if (coro->flags & CF_RUNNING)
1374	PL_runops = RUNOPS_DEFAULT;	1552	PL_runops = RUNOPS_DEFAULT;
1375	else	1553	else
1376	coro->runops = RUNOPS_DEFAULT;	1554	coro->slot->runops = RUNOPS_DEFAULT;
1377	}	1555	}
1378	}	1556	}
1379		1557
1380	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1558	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1381		1559
…		…
1388	#endif	1566	#endif
1389	BOOT_PAGESIZE;	1567	BOOT_PAGESIZE;
1390		1568
1391	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1569	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1392	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1570	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1571
		1572	orig_sigelem_get = PL_vtbl_sigelem.svt_get;
		1573	PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1574	orig_sigelem_set = PL_vtbl_sigelem.svt_set;
		1575	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1576
		1577	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1578	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1579	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1393		1580
1394	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1581	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1395		1582
1396	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1583	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1397	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1584	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1403		1590
1404	while (main_top_env->je_prev)	1591	while (main_top_env->je_prev)
1405	main_top_env = main_top_env->je_prev;	1592	main_top_env = main_top_env->je_prev;
1406		1593
1407	coroapi.ver = CORO_API_VERSION;	1594	coroapi.ver = CORO_API_VERSION;
		1595	coroapi.rev = CORO_API_REVISION;
1408	coroapi.transfer = api_transfer;	1596	coroapi.transfer = api_transfer;
1409		1597
1410	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1598	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1411	}	1599	}
1412		1600
1413	SV *	1601	SV *
1414	new (char *klass, ...)	1602	new (char *klass, ...)
1415	CODE:	1603	CODE:
1416	{	1604	{
1417	struct coro *coro;	1605	struct coro *coro;
		1606	MAGIC *mg;
1418	HV *hv;	1607	HV *hv;
1419	int i;	1608	int i;
1420		1609
1421	Newz (0, coro, 1, struct coro);	1610	Newz (0, coro, 1, struct coro);
1422	coro->args = newAV ();	1611	coro->args = newAV ();
…		…
1425	if (coro_first) coro_first->prev = coro;	1614	if (coro_first) coro_first->prev = coro;
1426	coro->next = coro_first;	1615	coro->next = coro_first;
1427	coro_first = coro;	1616	coro_first = coro;
1428		1617
1429	coro->hv = hv = newHV ();	1618	coro->hv = hv = newHV ();
1430	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1619	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1620	mg->mg_flags \|= MGf_DUP;
1431	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1621	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1432		1622
1433	av_extend (coro->args, items - 1);	1623	av_extend (coro->args, items - 1);
1434
1435	for (i = 1; i < items; i++)	1624	for (i = 1; i < items; i++)
1436	av_push (coro->args, newSVsv (ST (i)));	1625	av_push (coro->args, newSVsv (ST (i)));
1437	}	1626	}
1438	OUTPUT:	1627	OUTPUT:
1439	RETVAL	1628	RETVAL
…		…
1450	Coro::cede_notself = 4	1639	Coro::cede_notself = 4
1451	CODE:	1640	CODE:
1452	{	1641	{
1453	struct transfer_args ta;	1642	struct transfer_args ta;
1454		1643
		1644	PUTBACK;
1455	switch (ix)	1645	switch (ix)
1456	{	1646	{
1457	case 0:	1647	case 0:
1458	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1648	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1459	ta.next = 0;	1649	ta.next = 0;
…		…
1478	if (!prepare_cede_notself (aTHX_ &ta))	1668	if (!prepare_cede_notself (aTHX_ &ta))
1479	XSRETURN_EMPTY;	1669	XSRETURN_EMPTY;
1480		1670
1481	break;	1671	break;
1482	}	1672	}
		1673	SPAGAIN;
1483		1674
1484	BARRIER;	1675	BARRIER;
		1676	PUTBACK;
1485	TRANSFER (ta);	1677	TRANSFER (ta, 0);
1486		1678	SPAGAIN; /* might be the sp of a different coroutine now */
1487	if (GIMME_V != G_VOID && ta.next != ta.prev)	1679	/* be extra careful not to ever do anything after TRANSFER */
1488	XSRETURN_YES;
1489	}	1680	}
1490		1681
1491	bool	1682	bool
1492	_destroy (SV *coro_sv)	1683	_destroy (SV *coro_sv)
1493	CODE:	1684	CODE:
…		…
1542	CODE:	1733	CODE:
1543	{	1734	{
1544	if (coro->mainstack)	1735	if (coro->mainstack)
1545	{	1736	{
1546	struct coro temp;	1737	struct coro temp;
1547	Zero (&temp, 1, struct coro);
1548		1738
1549	if (!(coro->flags & CF_RUNNING))	1739	if (!(coro->flags & CF_RUNNING))
1550	{	1740	{
		1741	PUTBACK;
1551	save_perl (aTHX_ &temp);	1742	save_perl (aTHX_ &temp);
1552	load_perl (aTHX_ coro);	1743	load_perl (aTHX_ coro);
1553	}	1744	}
1554		1745
1555	{	1746	{
1556	dSP;	1747	dSP;
1557	ENTER;	1748	ENTER;
1558	SAVETMPS;	1749	SAVETMPS;
		1750	PUTBACK;
		1751	PUSHSTACK;
1559	PUSHMARK (SP);	1752	PUSHMARK (SP);
1560	PUTBACK;	1753
1561	if (ix)	1754	if (ix)
1562	eval_sv (coderef, 0);	1755	eval_sv (coderef, 0);
1563	else	1756	else
1564	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1757	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1758
		1759	POPSTACK;
1565	SPAGAIN;	1760	SPAGAIN;
1566	FREETMPS;	1761	FREETMPS;
1567	LEAVE;	1762	LEAVE;
1568	PUTBACK;	1763	PUTBACK;
1569	}	1764	}
1570		1765
1571	if (!(coro->flags & CF_RUNNING))	1766	if (!(coro->flags & CF_RUNNING))
1572	{	1767	{
1573	save_perl (aTHX_ coro);	1768	save_perl (aTHX_ coro);
1574	load_perl (aTHX_ &temp);	1769	load_perl (aTHX_ &temp);
		1770	SPAGAIN;
1575	}	1771	}
1576	}	1772	}
1577	}	1773	}
1578		1774
1579	SV *	1775	SV *
…		…
1620	case 1: RETVAL = coro->usecount; break;	1816	case 1: RETVAL = coro->usecount; break;
1621	}	1817	}
1622	OUTPUT:	1818	OUTPUT:
1623	RETVAL	1819	RETVAL
1624		1820
		1821	void
		1822	force_cctx ()
		1823	CODE:
		1824	struct coro *coro = SvSTATE (coro_current);
		1825	coro->cctx->idle_sp = 0;
1625		1826
1626	MODULE = Coro::State PACKAGE = Coro	1827	MODULE = Coro::State PACKAGE = Coro
1627		1828
1628	BOOT:	1829	BOOT:
1629	{	1830	{
1630	int i;	1831	int i;
1631		1832
1632	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1833	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1633	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1834	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1634	av_async_pool = get_av ("Coro::async_pool", TRUE);	1835	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1635		1836
1636	coro_current = get_sv ("Coro::current", FALSE);	1837	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1637	SvREADONLY_on (coro_current);	1838	SvREADONLY_on (coro_current);
1638		1839
1639	coro_stash = gv_stashpv ("Coro", TRUE);	1840	coro_stash = gv_stashpv ("Coro", TRUE);
1640		1841
1641	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1842	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1642	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1843	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1643	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1844	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1644	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1845	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1647		1848
1648	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1849	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1649	coro_ready[i] = newAV ();	1850	coro_ready[i] = newAV ();
1650		1851
1651	{	1852	{
1652	SV *sv = perl_get_sv("Coro::API", 1);	1853	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1854	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1653		1855
1654	coroapi.schedule = api_schedule;	1856	coroapi.schedule = api_schedule;
1655	coroapi.cede = api_cede;	1857	coroapi.cede = api_cede;
1656	coroapi.cede_notself = api_cede_notself;	1858	coroapi.cede_notself = api_cede_notself;
1657	coroapi.ready = api_ready;	1859	coroapi.ready = api_ready;
…		…
1708	CODE:	1910	CODE:
1709	RETVAL = coro_nready;	1911	RETVAL = coro_nready;
1710	OUTPUT:	1912	OUTPUT:
1711	RETVAL	1913	RETVAL
1712		1914
		1915	void
		1916	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1917	PROTOTYPE: $;$
		1918	CODE:
		1919	SvREFCNT_dec (self->throw);
		1920	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1921
		1922	void
		1923	swap_defsv (Coro::State self)
		1924	PROTOTYPE: $
		1925	ALIAS:
		1926	swap_defav = 1
		1927	CODE:
		1928	if (!self->slot)
		1929	croak ("cannot swap state with coroutine that has no saved state");
		1930	else
		1931	{
		1932	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1933	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1934
		1935	SV tmp = src; src = dst; *dst = tmp;
		1936	}
		1937
1713	# for async_pool speedup	1938	# for async_pool speedup
1714	void	1939	void
1715	_pool_1 (SV *cb)	1940	_pool_1 (SV *cb)
1716	CODE:	1941	CODE:
1717	{	1942	{
…		…
1721	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1946	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1722	AV *invoke_av;	1947	AV *invoke_av;
1723	int i, len;	1948	int i, len;
1724		1949
1725	if (!invoke)	1950	if (!invoke)
		1951	{
		1952	SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1726	croak ("\3terminate\2\n");	1953	croak ("\3async_pool terminate\2\n");
		1954	}
1727		1955
1728	SvREFCNT_dec (coro->saved_deffh);	1956	SvREFCNT_dec (coro->saved_deffh);
1729	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1957	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1730		1958
1731	hv_store (hv, "desc", sizeof ("desc") - 1,	1959	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1757	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1985	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1758	coro->saved_deffh = 0;	1986	coro->saved_deffh = 0;
1759		1987
1760	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1988	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1989	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1990	{
		1991	SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1762	croak ("\3terminate\2\n");	1992	croak ("\3async_pool terminate\2\n");
		1993	}
1763		1994
1764	av_clear (GvAV (PL_defgv));	1995	av_clear (GvAV (PL_defgv));
1765	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1996	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1766	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1997	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1767		1998

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Comparing Coro/Coro/State.xs (file contents): Revision 1.192 by root, Fri Oct 5 21:51:40 2007 UTC vs. Revision 1.232 by root, Thu Apr 24 12:40:38 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.192 by root, Fri Oct 5 21:51:40 2007 UTC vs.
Revision 1.232 by root, Thu Apr 24 12:40:38 2008 UTC