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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.91 by root, Sat Nov 25 01:14:11 2006 UTC vs.
Revision 1.103 by root, Mon Nov 27 01:33:30 2006 UTC

…		…
1	#define PERL_NO_GET_CONTEXT
2
3	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
4		2
5	#include "EXTERN.h"	3	#include "EXTERN.h"
6	#include "perl.h"	4	#include "perl.h"
7	#include "XSUB.h"	5	#include "XSUB.h"
8		6
9	#include "patchlevel.h"	7	#include "patchlevel.h"
10		8
11	#if PERL_VERSION < 6	9	#define PERL_VERSION_ATLEAST(a,b,c) \
		10	(PERL_REVISION > (a) \
		11	\|\| (PERL_REVISION == (a) \
		12	&& (PERL_VERSION > (b) \
		13	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))
		14
		15	#if !PERL_VERSION_ATLEAST (5,6,0)
12	# ifndef PL_ppaddr	16	# ifndef PL_ppaddr
13	# define PL_ppaddr ppaddr	17	# define PL_ppaddr ppaddr
14	# endif	18	# endif
15	# ifndef call_sv	19	# ifndef call_sv
16	# define call_sv perl_call_sv	20	# define call_sv perl_call_sv
27	# ifndef IS_PADCONST	31	# ifndef IS_PADCONST
28	# define IS_PADCONST(v) 0	32	# define IS_PADCONST(v) 0
29	# endif	33	# endif
30	#endif	34	#endif
31		35
		36	#include <stdio.h>
32	#include <errno.h>	37	#include <errno.h>
33		38
34	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	39	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
35	# undef STACKGUARD	40	# undef STACKGUARD
36	#endif	41	#endif
…		…
57	# else	62	# else
58	# define BOOT_PAGESIZE	63	# define BOOT_PAGESIZE
59	# endif	64	# endif
60	#endif	65	#endif
61		66
62	#define SUB_INIT "Coro::State::initialize"
63
64	/* The next macro should declare a variable stacklevel that contains and approximation	67	/* The next macro should declare a variable stacklevel that contains and approximation
65	* to the current C stack pointer. Its property is that it changes with each call	68	* to the current C stack pointer. Its property is that it changes with each call
66	* and should be unique. */	69	* and should be unique. */
		70	#define dSTACKLEVEL int stacklevel
67	#define dSTACKLEVEL void *stacklevel = &stacklevel	71	#define STACKLEVEL ((void *)&stacklevel)
68		72
69	#define IN_DESTRUCT (PL_main_cv == Nullcv)	73	#define IN_DESTRUCT (PL_main_cv == Nullcv)
70		74
71	#define labs(l) ((l) >= 0 ? (l) : -(l))	75	#if __GNUC__ >= 3
		76	# define attribute(x) __attribute__(x)
		77	#else
		78	# define attribute(x)
		79	#endif
		80
		81	#define NOINLINE attribute ((noinline))
72		82
73	#include "CoroAPI.h"	83	#include "CoroAPI.h"
		84
		85	#define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */
74		86
75	#ifdef USE_ITHREADS	87	#ifdef USE_ITHREADS
76	static perl_mutex coro_mutex;	88	static perl_mutex coro_mutex;
77	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	89	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
78	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	90	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
…		…
84	static struct CoroAPI coroapi;	96	static struct CoroAPI coroapi;
85	static AV main_mainstack; / used to differentiate between $main and others */	97	static AV main_mainstack; / used to differentiate between $main and others */
86	static HV coro_state_stash, coro_stash;	98	static HV coro_state_stash, coro_stash;
87	static SV coro_mortal; / will be freed after next transfer */	99	static SV coro_mortal; / will be freed after next transfer */
88		100
89	/* this is actually not just the c stack but also c registers etc... */	101	/* this is a structure representing a c-level coroutine */
90	typedef struct coro_stack {	102	typedef struct coro_stack {
91	struct coro_stack *next;	103	struct coro_stack *next;
92		104
93	void *idle_sp;	105	/* the stack */
94	void *sptr;	106	void *sptr;
95	long ssize; /* positive == mmap, otherwise malloc */	107	long ssize; /* positive == mmap, otherwise malloc */
96		108
97	/* cpu state */	109	/* cpu state */
		110	void idle_sp; / sp of top-level transfer/schedule/cede call */
		111	JMPENV *top_env;
98	coro_context cctx;	112	coro_context cctx;
99	} coro_stack;	113	} coro_stack;
100		114
101	static coro_stack *main_stack;	115	/* this is a structure representing a perl-level coroutine */
102
103	struct coro {	116	struct coro {
		117	/* the c coroutine allocated to this perl coroutine, if any */
		118	coro_stack *stack;
		119
		120	/* data associated with this coroutine (initial args) */
		121	AV *args;
		122	int refcnt;
		123
104	/* optionally saved, might be zero */	124	/* optionally saved, might be zero */
105	AV *defav;	125	AV *defav;
106	SV *defsv;	126	SV *defsv;
107	SV *errsv;	127	SV *errsv;
108		128
109	/* saved global state not related to stacks */	129	/* saved global state not related to stacks */
110	U8 dowarn;	130	U8 dowarn;
111	I32 in_eval;	131	I32 in_eval;
112
113	/* the c stack, if any */
114	coro_stack *stack;
115		132
116	/* the stacks and related info (callchain etc..) */	133	/* the stacks and related info (callchain etc..) */
117	PERL_SI *curstackinfo;	134	PERL_SI *curstackinfo;
118	AV *curstack;	135	AV *curstack;
119	AV *mainstack;	136	AV *mainstack;
…		…
140	OP **retstack;	157	OP **retstack;
141	I32 retstack_ix;	158	I32 retstack_ix;
142	I32 retstack_max;	159	I32 retstack_max;
143	PMOP *curpm;	160	PMOP *curpm;
144	COP *curcop;	161	COP *curcop;
145	JMPENV *top_env;
146		162
147	/* coro process data */	163	/* coro process data */
148	int prio;	164	int prio;
149
150	/* data associated with this coroutine (initial args) */
151	AV *args;
152	int refcnt;
153	};	165	};
154		166
155	typedef struct coro *Coro__State;	167	typedef struct coro *Coro__State;
156	typedef struct coro *Coro__State_or_hashref;	168	typedef struct coro *Coro__State_or_hashref;
157		169
158	static AV *	170	static AV *
159	coro_clone_padlist (pTHX_ CV *cv)	171	coro_clone_padlist (CV *cv)
160	{	172	{
161	AV *padlist = CvPADLIST (cv);	173	AV *padlist = CvPADLIST (cv);
162	AV newpadlist, newpad;	174	AV newpadlist, newpad;
163		175
164	newpadlist = newAV ();	176	newpadlist = newAV ();
165	AvREAL_off (newpadlist);	177	AvREAL_off (newpadlist);
166	#if PERL_VERSION < 9	178	#if PERL_VERSION_ATLEAST (5,9,0)
		179	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		180	#else
167	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	181	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
168	#else
169	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
170	#endif	182	#endif
171	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	183	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
172	--AvFILLp (padlist);	184	--AvFILLp (padlist);
173		185
174	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	186	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
…		…
176		188
177	return newpadlist;	189	return newpadlist;
178	}	190	}
179		191
180	static void	192	static void
181	free_padlist (pTHX_ AV *padlist)	193	free_padlist (AV *padlist)
182	{	194	{
183	/* may be during global destruction */	195	/* may be during global destruction */
184	if (SvREFCNT (padlist))	196	if (SvREFCNT (padlist))
185	{	197	{
186	I32 i = AvFILLp (padlist);	198	I32 i = AvFILLp (padlist);
…		…
207	AV *padlist;	219	AV *padlist;
208	AV av = (AV )mg->mg_obj;	220	AV av = (AV )mg->mg_obj;
209		221
210	/* casting is fun. */	222	/* casting is fun. */
211	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	223	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
212	free_padlist (aTHX_ padlist);	224	free_padlist (padlist);
213		225
214	SvREFCNT_dec (av);	226	SvREFCNT_dec (av);
215		227
216	return 0;	228	return 0;
217	}	229	}
…		…
220		232
221	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	233	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
222		234
223	/* the next two functions merely cache the padlists */	235	/* the next two functions merely cache the padlists */
224	static void	236	static void
225	get_padlist (pTHX_ CV *cv)	237	get_padlist (CV *cv)
226	{	238	{
227	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	239	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
228		240
229	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	241	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
230	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	242	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
231	else	243	else
232	{	244	{
233	#if 0	245	#if 0
234	/* this should work - but it doesn't :( */	246	/* this is probably cleaner, but also slower? */
235	CV *cp = Perl_cv_clone (aTHX_ cv);	247	CV *cp = Perl_cv_clone (cv);
236	CvPADLIST (cv) = CvPADLIST (cp);	248	CvPADLIST (cv) = CvPADLIST (cp);
237	CvPADLIST (cp) = 0;	249	CvPADLIST (cp) = 0;
238	SvREFCNT_dec (cp);	250	SvREFCNT_dec (cp);
239	#else	251	#else
240	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	252	CvPADLIST (cv) = coro_clone_padlist (cv);
241	#endif	253	#endif
242	}	254	}
243	}	255	}
244		256
245	static void	257	static void
246	put_padlist (pTHX_ CV *cv)	258	put_padlist (CV *cv)
247	{	259	{
248	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	260	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
249		261
250	if (!mg)	262	if (!mg)
251	{	263	{
…		…
259	}	271	}
260		272
261	#define SB do {	273	#define SB do {
262	#define SE } while (0)	274	#define SE } while (0)
263		275
264	#define LOAD(state) load_state(aTHX_ (state));	276	#define LOAD(state) load_state((state));
265	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));	277	#define SAVE(state,flags) save_state((state),(flags));
266		278
267	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE	279	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
268		280
269	static void	281	static void
270	load_state(pTHX_ Coro__State c)	282	load_state(Coro__State c)
271	{	283	{
272	PL_dowarn = c->dowarn;	284	PL_dowarn = c->dowarn;
273	PL_in_eval = c->in_eval;	285	PL_in_eval = c->in_eval;
274		286
275	PL_curstackinfo = c->curstackinfo;	287	PL_curstackinfo = c->curstackinfo;
…		…
293	PL_scopestack_ix = c->scopestack_ix;	305	PL_scopestack_ix = c->scopestack_ix;
294	PL_scopestack_max = c->scopestack_max;	306	PL_scopestack_max = c->scopestack_max;
295	PL_savestack = c->savestack;	307	PL_savestack = c->savestack;
296	PL_savestack_ix = c->savestack_ix;	308	PL_savestack_ix = c->savestack_ix;
297	PL_savestack_max = c->savestack_max;	309	PL_savestack_max = c->savestack_max;
298	#if PERL_VERSION < 9	310	#if !PERL_VERSION_ATLEAST (5,9,0)
299	PL_retstack = c->retstack;	311	PL_retstack = c->retstack;
300	PL_retstack_ix = c->retstack_ix;	312	PL_retstack_ix = c->retstack_ix;
301	PL_retstack_max = c->retstack_max;	313	PL_retstack_max = c->retstack_max;
302	#endif	314	#endif
303	PL_curpm = c->curpm;	315	PL_curpm = c->curpm;
304	PL_curcop = c->curcop;	316	PL_curcop = c->curcop;
305	PL_top_env = c->top_env;
306		317
307	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	318	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
308	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	319	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
309	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	320	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
310		321
…		…
317	{	328	{
318	AV padlist = (AV )POPs;	329	AV padlist = (AV )POPs;
319		330
320	if (padlist)	331	if (padlist)
321	{	332	{
322	put_padlist (aTHX_ cv); /* mark this padlist as available */	333	put_padlist (cv); /* mark this padlist as available */
323	CvPADLIST(cv) = padlist;	334	CvPADLIST(cv) = padlist;
324	}	335	}
325		336
326	++CvDEPTH(cv);	337	++CvDEPTH(cv);
327	}	338	}
…		…
329	PUTBACK;	340	PUTBACK;
330	}	341	}
331	}	342	}
332		343
333	static void	344	static void
334	save_state(pTHX_ Coro__State c, int flags)	345	save_state(Coro__State c, int flags)
335	{	346	{
336	{	347	{
337	dSP;	348	dSP;
338	I32 cxix = cxstack_ix;	349	I32 cxix = cxstack_ix;
339	PERL_CONTEXT *ccstk = cxstack;	350	PERL_CONTEXT *ccstk = cxstack;
…		…
367	}	378	}
368		379
369	PUSHs ((SV *)CvPADLIST(cv));	380	PUSHs ((SV *)CvPADLIST(cv));
370	PUSHs ((SV *)cv);	381	PUSHs ((SV *)cv);
371		382
372	get_padlist (aTHX_ cv);	383	get_padlist (cv);
373	}	384	}
374	}	385	}
375	#ifdef CXt_FORMAT	386	#ifdef CXt_FORMAT
376	else if (CxTYPE(cx) == CXt_FORMAT)	387	else if (CxTYPE(cx) == CXt_FORMAT)
377	{	388	{
…		…
421	c->scopestack_ix = PL_scopestack_ix;	432	c->scopestack_ix = PL_scopestack_ix;
422	c->scopestack_max = PL_scopestack_max;	433	c->scopestack_max = PL_scopestack_max;
423	c->savestack = PL_savestack;	434	c->savestack = PL_savestack;
424	c->savestack_ix = PL_savestack_ix;	435	c->savestack_ix = PL_savestack_ix;
425	c->savestack_max = PL_savestack_max;	436	c->savestack_max = PL_savestack_max;
426	#if PERL_VERSION < 9	437	#if !PERL_VERSION_ATLEAST (5,9,0)
427	c->retstack = PL_retstack;	438	c->retstack = PL_retstack;
428	c->retstack_ix = PL_retstack_ix;	439	c->retstack_ix = PL_retstack_ix;
429	c->retstack_max = PL_retstack_max;	440	c->retstack_max = PL_retstack_max;
430	#endif	441	#endif
431	c->curpm = PL_curpm;	442	c->curpm = PL_curpm;
432	c->curcop = PL_curcop;	443	c->curcop = PL_curcop;
433	c->top_env = PL_top_env;
434	}	444	}
435		445
436	/*	446	/*
437	* allocate various perl stacks. This is an exact copy	447	* allocate various perl stacks. This is an exact copy
438	* of perl.c:init_stacks, except that it uses less memory	448	* of perl.c:init_stacks, except that it uses less memory
439	* on the (sometimes correct) assumption that coroutines do	449	* on the (sometimes correct) assumption that coroutines do
440	* not usually need a lot of stackspace.	450	* not usually need a lot of stackspace.
441	*/	451	*/
442	static void	452	static void
443	coro_init_stacks (pTHX)	453	coro_init_stacks ()
444	{	454	{
445	LOCK;
446
447	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	455	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
448	PL_curstackinfo->si_type = PERLSI_MAIN;	456	PL_curstackinfo->si_type = PERLSI_MAIN;
449	PL_curstack = PL_curstackinfo->si_stack;	457	PL_curstack = PL_curstackinfo->si_stack;
450	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	458	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451		459
…		…
472		480
473	New(54,PL_savestack,96,ANY);	481	New(54,PL_savestack,96,ANY);
474	PL_savestack_ix = 0;	482	PL_savestack_ix = 0;
475	PL_savestack_max = 96;	483	PL_savestack_max = 96;
476		484
477	#if PERL_VERSION < 9	485	#if !PERL_VERSION_ATLEAST (5,9,0)
478	New(54,PL_retstack,8,OP*);	486	New(54,PL_retstack,8,OP*);
479	PL_retstack_ix = 0;	487	PL_retstack_ix = 0;
480	PL_retstack_max = 8;	488	PL_retstack_max = 8;
481	#endif	489	#endif
482
483	UNLOCK;
484	}	490	}
485		491
486	/*	492	/*
487	* destroy the stacks, the callchain etc...	493	* destroy the stacks, the callchain etc...
488	*/	494	*/
489	static void	495	static void
490	destroy_stacks(pTHX)	496	coro_destroy_stacks()
491	{	497	{
492	if (!IN_DESTRUCT)	498	if (!IN_DESTRUCT)
493	{	499	{
494	/* is this ugly, I ask? */	500	/* is this ugly, I ask? */
495	LEAVE_SCOPE (0);	501	LEAVE_SCOPE (0);
…		…
526		532
527	Safefree (PL_tmps_stack);	533	Safefree (PL_tmps_stack);
528	Safefree (PL_markstack);	534	Safefree (PL_markstack);
529	Safefree (PL_scopestack);	535	Safefree (PL_scopestack);
530	Safefree (PL_savestack);	536	Safefree (PL_savestack);
531	#if PERL_VERSION < 9	537	#if !PERL_VERSION_ATLEAST (5,9,0)
532	Safefree (PL_retstack);	538	Safefree (PL_retstack);
533	#endif	539	#endif
534	}	540	}
535		541
536	static void	542	static void
537	setup_coro (struct coro *coro)	543	setup_coro (struct coro *coro)
538	{	544	{
539	/*	545	/*
540	* emulate part of the perl startup here.	546	* emulate part of the perl startup here.
541	*/	547	*/
542	dTHX;
543	dSP;
544	UNOP myop;
545	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
546		548
547	coro_init_stacks (aTHX);	549	coro_init_stacks ();
		550
548	/PL_curcop = 0;/	551	PL_curcop = 0;
549	/PL_in_eval = PL_in_eval;/ /* inherit */	552	PL_in_eval = 0;
		553	PL_curpm = 0;
		554
		555	{
		556	dSP;
		557	LOGOP myop;
		558
		559	/* I have no idea why this is needed, but it is */
		560	PUSHMARK (SP);
		561
550	SvREFCNT_dec (GvAV (PL_defgv));	562	SvREFCNT_dec (GvAV (PL_defgv));
551	GvAV (PL_defgv) = coro->args; coro->args = 0;	563	GvAV (PL_defgv) = coro->args; coro->args = 0;
552		564
553	SPAGAIN;
554
555	Zero (&myop, 1, UNOP);	565	Zero (&myop, 1, LOGOP);
556	myop.op_next = Nullop;	566	myop.op_next = Nullop;
557	myop.op_flags = OPf_WANT_VOID;	567	myop.op_flags = OPf_WANT_VOID;
558		568
559	PL_op = (OP *)&myop;	569	PL_op = (OP *)&myop;
560		570
561	PUSHMARK(SP);	571	PUSHMARK (SP);
562	XPUSHs (sub_init);	572	XPUSHs ((SV *)get_cv ("Coro::State::coro_init", FALSE));
563	PUTBACK;	573	PUTBACK;
564	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	574	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
565	SPAGAIN;	575	SPAGAIN;
566		576
567	ENTER; /* necessary e.g. for dounwind */	577	ENTER; /* necessary e.g. for dounwind */
		578	}
568	}	579	}
569		580
570	static void	581	static void
571	transfer_tail ()	582	free_coro_mortal ()
572	{	583	{
573	if (coro_mortal)	584	if (coro_mortal)
574	{	585	{
575	SvREFCNT_dec (coro_mortal);	586	SvREFCNT_dec (coro_mortal);
576	coro_mortal = 0;	587	coro_mortal = 0;
577	}	588	}
		589	}
578		590
		591	static void NOINLINE
		592	prepare_cctx (coro_stack *cctx)
		593	{
		594	dSP;
		595	LOGOP myop;
		596
		597	Zero (&myop, 1, LOGOP);
		598	myop.op_next = PL_op;
		599	myop.op_flags = OPf_WANT_VOID;
		600
		601	sv_setiv (get_sv ("Coro::State::cctx_stack", FALSE), PTR2IV (cctx));
		602
		603	PUSHMARK (SP);
		604	XPUSHs ((SV *)get_cv ("Coro::State::cctx_init", FALSE));
		605	PUTBACK;
		606	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);
		607	SPAGAIN;
		608	}
		609
		610	static void
		611	coro_run (void *arg)
		612	{
		613	/* coro_run is the alternative epilogue of transfer() */
579	UNLOCK;	614	UNLOCK;
580	}
581		615
582	static void
583	coro_run (void *arg)
584	{
585	/*	616	/*
586	* this is a _very_ stripped down perl interpreter ;)	617	* this is a _very_ stripped down perl interpreter ;)
587	*/	618	*/
588	dTHX;
589
590	transfer_tail ();
591
592	PL_top_env = &PL_start_env;	619	PL_top_env = &PL_start_env;
593	PL_restartop = PL_op;	620	/* inject call to cctx_init */
		621	prepare_cctx ((coro_stack *)arg);
		622
594	/* somebody will hit me for both perl_run and PL_restart_top */	623	/* somebody will hit me for both perl_run and PL_restartop */
595	perl_run (aTHX_ PERL_GET_CONTEXT);	624	perl_run (PL_curinterp);
596		625
		626	fputs ("FATAL: C coroutine fell over the edge of the world, aborting.\n", stderr);
597	abort ();	627	abort ();
598	}	628	}
599		629
600	static coro_stack *	630	static coro_stack *
601	stack_new ()	631	stack_new ()
…		…
604		634
605	New (0, stack, 1, coro_stack);	635	New (0, stack, 1, coro_stack);
606		636
607	#if HAVE_MMAP	637	#if HAVE_MMAP
608		638
609	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */	639	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;
		640	/* mmap suppsedly does allocate-on-write for us */
610	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	641	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
611		642
612	if (stack->sptr == (void *)-1)	643	if (stack->sptr == (void *)-1)
613	{	644	{
614	fprintf (stderr, "FATAL: unable to mmap stack for coroutine\n");	645	perror ("FATAL: unable to mmap stack for coroutine");
615	_exit (EXIT_FAILURE);	646	_exit (EXIT_FAILURE);
616	}	647	}
617		648
		649	# if STACKGUARD
618	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	650	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		651	# endif
619		652
620	#else	653	#else
621		654
622	stack->ssize = STACKSIZE * (long)sizeof (long);	655	stack->ssize = STACKSIZE * (long)sizeof (long);
623	New (0, stack->sptr, STACKSIZE, long);	656	New (0, stack->sptr, STACKSIZE, long);
624		657
625	if (!stack->sptr)	658	if (!stack->sptr)
626	{	659	{
627	fprintf (stderr, "FATAL: unable to malloc stack for coroutine\n");	660	perror (stderr, "FATAL: unable to malloc stack for coroutine");
628	_exit (EXIT_FAILURE);	661	_exit (EXIT_FAILURE);
629	}	662	}
630		663
631	#endif	664	#endif
632		665
633	coro_create (&stack->cctx, coro_run, 0, stack->sptr, stack->ssize);	666	coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize);
634		667
635	return stack;	668	return stack;
636	}	669	}
637		670
638	static void	671	static void
639	stack_free (coro_stack *stack)	672	stack_free (coro_stack *stack)
640	{	673	{
641	if (!stack \|\| stack == main_stack)	674	if (!stack)
642	return;	675	return;
643		676
644	#if HAVE_MMAP	677	#if HAVE_MMAP
645	munmap (stack->sptr, stack->ssize);	678	munmap (stack->sptr, stack->ssize);
646	#else	679	#else
…		…
649		682
650	Safefree (stack);	683	Safefree (stack);
651	}	684	}
652		685
653	static coro_stack *stack_first;	686	static coro_stack *stack_first;
		687	static int cctx_count, cctx_idle;
654		688
655	static coro_stack *	689	static coro_stack *
656	stack_get ()	690	stack_get ()
657	{	691	{
658	coro_stack *stack;	692	coro_stack *stack;
659		693
660	if (stack_first)	694	if (stack_first)
661	{	695	{
		696	--cctx_idle;
662	stack = stack_first;	697	stack = stack_first;
663	stack_first = stack->next;	698	stack_first = stack->next;
664	}	699	}
665	else	700	else
666	{	701	{
		702	++cctx_count;
667	stack = stack_new ();	703	stack = stack_new ();
668	PL_op = PL_op->op_next;	704	PL_op = PL_op->op_next;
669	}	705	}
670		706
671	return stack;	707	return stack;
672	}	708	}
673		709
674	static void	710	static void
675	stack_put (coro_stack *stack)	711	stack_put (coro_stack *stack)
676	{	712	{
		713	++cctx_idle;
677	stack->next = stack_first;	714	stack->next = stack_first;
678	stack_first = stack;	715	stack_first = stack;
679	}	716	}
680		717
681	/* never call directly, always through the coro_state_transfer global variable */	718	/* never call directly, always through the coro_state_transfer global variable */
682	static void	719	static void NOINLINE
683	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)	720	transfer (struct coro prev, struct coro next, int flags)
684	{	721	{
685	dSTACKLEVEL;	722	dSTACKLEVEL;
686		723
687	/* sometimes transfer is only called to set idle_sp */	724	/* sometimes transfer is only called to set idle_sp */
688	if (!prev->stack->idle_sp)	725	if (flags == TRANSFER_SET_STACKLEVEL)
689	prev->stack->idle_sp = stacklevel;	726	((coro_stack *)prev)->idle_sp = STACKLEVEL;
690
691	LOCK;
692
693	if (prev != next)	727	else if (prev != next)
694	{	728	{
695	coro_stack *prev_stack = prev->stack;	729	coro_stack *prev__stack;
696		730
697	/* possibly "free" the stack */	731	LOCK;
698	if (0 && prev_stack->idle_sp == stacklevel)
699	{
700	stack_put (prev_stack);
701	prev->stack = 0;
702	}
703		732
704	if (next->mainstack)	733	if (next->mainstack)
705	{	734	{
706	/* coroutine already started */	735	/* coroutine already started */
707	SAVE (prev, flags);	736	SAVE (prev, flags);
…		…
712	/* need to start coroutine */	741	/* need to start coroutine */
713	/* first get rid of the old state */	742	/* first get rid of the old state */
714	SAVE (prev, -1);	743	SAVE (prev, -1);
715	/* setup coroutine call */	744	/* setup coroutine call */
716	setup_coro (next);	745	setup_coro (next);
717	/* need to change stack from main_stack to real one */	746	/* need a stack */
718	next->stack = 0;	747	next->stack = 0;
719	}	748	}
720		749
		750	if (!prev->stack)
		751	/* create a new empty context */
		752	Newz (0, prev->stack, 1, coro_stack);
		753
		754	prev__stack = prev->stack;
		755
		756	/* possibly "free" the stack */
		757	if (prev__stack->idle_sp == STACKLEVEL)
		758	{
		759	stack_put (prev__stack);
		760	prev->stack = 0;
		761	}
		762
721	if (!next->stack)	763	if (!next->stack)
722	next->stack = stack_get ();	764	next->stack = stack_get ();
723		765
724	if (prev_stack != next->stack)	766	if (prev__stack != next->stack)
		767	{
		768	prev__stack->top_env = PL_top_env;
		769	PL_top_env = next->stack->top_env;
725	coro_transfer (&prev_stack->cctx, &next->stack->cctx);	770	coro_transfer (&prev__stack->cctx, &next->stack->cctx);
		771	}
		772
		773	free_coro_mortal ();
		774
		775	UNLOCK;
726	}	776	}
727
728	transfer_tail ();
729	}	777	}
730		778
731	/* use this function pointer to call the above function */	779	struct transfer_args
732	/* this is done to increase chances of the compiler not inlining the call */	780	{
733	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;	781	struct coro prev, next;
		782	int flags;
		783	};
		784
		785	#define TRANSFER(ta) transfer ((ta).prev, (ta).next, (ta).flags)
734		786
735	static void	787	static void
736	coro_state_destroy (struct coro *coro)	788	coro_state_destroy (struct coro *coro)
737	{	789	{
738	if (coro->refcnt--)	790	if (coro->refcnt--)
…		…
740		792
741	if (coro->mainstack && coro->mainstack != main_mainstack)	793	if (coro->mainstack && coro->mainstack != main_mainstack)
742	{	794	{
743	struct coro temp;	795	struct coro temp;
744		796
745	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);	797	SAVE ((&temp), TRANSFER_SAVE_ALL);
746	LOAD (aTHX_ coro);	798	LOAD (coro);
747		799
748	destroy_stacks (aTHX);	800	coro_destroy_stacks ();
749		801
750	LOAD ((&temp)); /* this will get rid of defsv etc.. */	802	LOAD ((&temp)); /* this will get rid of defsv etc.. */
751		803
752	coro->mainstack = 0;	804	coro->mainstack = 0;
753	}	805	}
…		…
756	SvREFCNT_dec (coro->args);	808	SvREFCNT_dec (coro->args);
757	Safefree (coro);	809	Safefree (coro);
758	}	810	}
759		811
760	static int	812	static int
761	coro_state_clear (SV sv, MAGIC mg)	813	coro_state_clear (pTHX_ SV sv, MAGIC mg)
762	{	814	{
763	struct coro coro = (struct coro )mg->mg_ptr;	815	struct coro coro = (struct coro )mg->mg_ptr;
764	mg->mg_ptr = 0;	816	mg->mg_ptr = 0;
765		817
766	coro_state_destroy (coro);	818	coro_state_destroy (coro);
767		819
768	return 0;	820	return 0;
769	}	821	}
770		822
771	static int	823	static int
772	coro_state_dup (MAGIC mg, CLONE_PARAMS params)	824	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)
773	{	825	{
774	struct coro coro = (struct coro )mg->mg_ptr;	826	struct coro coro = (struct coro )mg->mg_ptr;
775		827
776	++coro->refcnt;	828	++coro->refcnt;
777		829
778	return 0;	830	return 0;
779	}	831	}
780		832
781	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };	833	static MGVTBL coro_state_vtbl = {
		834	0, 0, 0, 0,
		835	coro_state_clear,
		836	0,
		837	#ifdef MGf_DUP
		838	coro_state_dup,
		839	#else
		840	# define MGf_DUP 0
		841	#endif
		842	};
782		843
783	static struct coro *	844	static struct coro *
784	SvSTATE (SV *coro)	845	SvSTATE (SV *coro)
785	{	846	{
786	HV *stash;	847	HV *stash;
…		…
801	assert (mg->mg_type == PERL_MAGIC_ext);	862	assert (mg->mg_type == PERL_MAGIC_ext);
802	return (struct coro *)mg->mg_ptr;	863	return (struct coro *)mg->mg_ptr;
803	}	864	}
804		865
805	static void	866	static void
		867	prepare_transfer (struct transfer_args ta, SV prev, SV *next, int flags)
		868	{
		869	ta->prev = SvSTATE (prev);
		870	ta->next = SvSTATE (next);
		871	ta->flags = flags;
		872	}
		873
		874	static void
806	api_transfer (pTHX_ SV prev, SV next, int flags)	875	api_transfer (SV prev, SV next, int flags)
807	{	876	{
808	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	877	dTHX;
		878	struct transfer_args ta;
		879
		880	prepare_transfer (&ta, prev, next, flags);
		881	TRANSFER (ta);
809	}	882	}
810		883
811	/ Coro ******************************************************************/	884	/ Coro ******************************************************************/
812		885
813	#define PRIO_MAX 3	886	#define PRIO_MAX 3
…		…
821	static GV coro_current, coro_idle;	894	static GV coro_current, coro_idle;
822	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	895	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
823	static int coro_nready;	896	static int coro_nready;
824		897
825	static void	898	static void
826	coro_enq (pTHX_ SV *sv)	899	coro_enq (SV *sv)
827	{	900	{
828	int prio;	901	int prio;
829		902
830	if (SvTYPE (sv) != SVt_PVHV)	903	if (SvTYPE (sv) != SVt_PVHV)
831	croak ("Coro::ready tried to enqueue something that is not a coroutine");	904	croak ("Coro::ready tried to enqueue something that is not a coroutine");
…		…
835	av_push (coro_ready [prio - PRIO_MIN], sv);	908	av_push (coro_ready [prio - PRIO_MIN], sv);
836	coro_nready++;	909	coro_nready++;
837	}	910	}
838		911
839	static SV *	912	static SV *
840	coro_deq (pTHX_ int min_prio)	913	coro_deq (int min_prio)
841	{	914	{
842	int prio = PRIO_MAX - PRIO_MIN;	915	int prio = PRIO_MAX - PRIO_MIN;
843		916
844	min_prio -= PRIO_MIN;	917	min_prio -= PRIO_MIN;
845	if (min_prio < 0)	918	if (min_prio < 0)
…		…
862		935
863	if (SvROK (coro))	936	if (SvROK (coro))
864	coro = SvRV (coro);	937	coro = SvRV (coro);
865		938
866	LOCK;	939	LOCK;
867	coro_enq (aTHX_ SvREFCNT_inc (coro));	940	coro_enq (SvREFCNT_inc (coro));
868	UNLOCK;	941	UNLOCK;
869	}	942	}
870		943
871	static void	944	static void
872	api_schedule (void)	945	prepare_schedule (struct transfer_args *ta)
873	{	946	{
874	dTHX;
875
876	SV prev, next;	947	SV current, prev, *next;
		948
877	SV *current = GvSV (coro_current);	949	current = GvSV (coro_current);
878		950
879	for (;;)	951	for (;;)
880	{	952	{
881	LOCK;	953	LOCK;
882
883	next = coro_deq (aTHX_ PRIO_MIN);	954	next = coro_deq (PRIO_MIN);
		955	UNLOCK;
884		956
885	if (next)	957	if (next)
886	break;	958	break;
887
888	UNLOCK;
889		959
890	{	960	{
891	dSP;	961	dSP;
892		962
893	ENTER;	963	ENTER;
…		…
904		974
905	prev = SvRV (current);	975	prev = SvRV (current);
906	SvRV (current) = next;	976	SvRV (current) = next;
907		977
908	/* free this only after the transfer */	978	/* free this only after the transfer */
		979	LOCK;
		980	free_coro_mortal ();
		981	UNLOCK;
909	coro_mortal = prev;	982	coro_mortal = prev;
910		983
		984	ta->prev = SvSTATE (prev);
		985	ta->next = SvSTATE (next);
		986	ta->flags = TRANSFER_SAVE_ALL;
		987	}
		988
		989	static void
		990	prepare_cede (struct transfer_args *ta)
		991	{
		992	LOCK;
		993	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));
911	UNLOCK;	994	UNLOCK;
912		995
913	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), TRANSFER_SAVE_ALL);	996	prepare_schedule (ta);
914	}	997	}
915		998
916	static int coro_cede_self;	999	static void
		1000	api_schedule (void)
		1001	{
		1002	dTHX;
		1003	struct transfer_args ta;
		1004
		1005	prepare_schedule (&ta);
		1006	TRANSFER (ta);
		1007	}
917		1008
918	static void	1009	static void
919	api_cede (void)	1010	api_cede (void)
920	{	1011	{
921	dTHX;	1012	dTHX;
922	SV *current = SvREFCNT_inc (SvRV (GvSV (coro_current)));	1013	struct transfer_args ta;
923		1014
924	LOCK;	1015	prepare_cede (&ta);
925		1016	TRANSFER (ta);
926	if (coro_cede_self)
927	{
928	AV *runqueue = coro_ready [PRIO_MAX - PRIO_MIN];
929	av_unshift (runqueue, 1);
930	av_store (runqueue, 0, current);
931	coro_nready++;
932	coro_cede_self = 0;
933	}
934	else
935	coro_enq (aTHX_ current);
936
937	UNLOCK;
938
939	api_schedule ();
940	}	1017	}
941		1018
942	MODULE = Coro::State PACKAGE = Coro::State	1019	MODULE = Coro::State PACKAGE = Coro::State
943		1020
944	PROTOTYPES: DISABLE	1021	PROTOTYPES: DISABLE
…		…
959	main_mainstack = PL_mainstack;	1036	main_mainstack = PL_mainstack;
960		1037
961	coroapi.ver = CORO_API_VERSION;	1038	coroapi.ver = CORO_API_VERSION;
962	coroapi.transfer = api_transfer;	1039	coroapi.transfer = api_transfer;
963		1040
964	Newz (0, main_stack, 1, coro_stack);
965	main_stack->idle_sp = (void *)-1;
966
967	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1041	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
968	}	1042	}
969		1043
970	SV *	1044	SV *
971	new (char *klass, ...)	1045	new (char *klass, ...)
…		…
980		1054
981	hv = newHV ();	1055	hv = newHV ();
982	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1056	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
983	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1057	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
984		1058
985	av_push (coro->args, newSVsv (RETVAL));
986	for (i = 1; i < items; i++)	1059	for (i = 1; i < items; i++)
987	av_push (coro->args, newSVsv (ST (i)));	1060	av_push (coro->args, newSVsv (ST (i)));
988		1061
989	coro->stack = main_stack;
990	/coro->mainstack = 0; //actual work is done inside transfer /	1062	/coro->mainstack = 0; //actual work is done inside transfer /
991	/coro->stack = 0;/	1063	/coro->stack = 0;/
992	}	1064	}
993	OUTPUT:	1065	OUTPUT:
994	RETVAL	1066	RETVAL
995		1067
996	void	1068	void
997	transfer (prev, next, flags)	1069	_set_stacklevel (...)
998	SV *prev	1070	ALIAS:
999	SV *next	1071	Coro::State::transfer = 1
1000	int flags	1072	Coro::schedule = 2
		1073	Coro::cede = 3
		1074	Coro::Cont::yield = 4
1001	CODE:	1075	CODE:
1002	PUTBACK;
1003	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
1004	SPAGAIN;
1005
1006	int
1007	prio (Coro::State coro, int newprio = 0)
1008	ALIAS:
1009	nice = 1
1010	CODE:
1011	{	1076	{
1012	RETVAL = coro->prio;	1077	struct transfer_args ta;
1013		1078
1014	if (items > 1)	1079	switch (ix)
1015	{	1080	{
		1081	case 0:
		1082	ta.prev = (struct coro )INT2PTR (coro_stack , SvIV (ST (0)));
		1083	ta.next = 0;
		1084	ta.flags = TRANSFER_SET_STACKLEVEL;
		1085	break;
		1086
		1087	case 1:
1016	if (ix)	1088	if (items != 3)
1017	newprio += coro->prio;	1089	croak ("Coro::State::transfer(prev,next,flags) expects three arguments, not %d", items);
1018		1090
1019	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	1091	prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2)));
1020	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	1092	break;
1021		1093
1022	coro->prio = newprio;	1094	case 2:
		1095	prepare_schedule (&ta);
		1096	break;
		1097
		1098	case 3:
		1099	prepare_cede (&ta);
		1100	break;
		1101
		1102	case 4:
		1103	{
		1104	SV *yieldstack;
		1105	SV *sv;
		1106	AV *defav = GvAV (PL_defgv);
		1107
		1108	yieldstack = *hv_fetch (
		1109	(HV *)SvRV (GvSV (coro_current)),
		1110	"yieldstack", sizeof ("yieldstack") - 1,
		1111	0
		1112	);
		1113
		1114	/* set up @_ -- ugly */
		1115	av_clear (defav);
		1116	av_fill (defav, items - 1);
		1117	while (items--)
		1118	av_store (defav, items, SvREFCNT_inc (ST(items)));
		1119
		1120	sv = av_pop ((AV *)SvRV (yieldstack));
		1121	ta.prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
		1122	ta.next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
		1123	ta.flags = 0;
		1124	SvREFCNT_dec (sv);
		1125	}
		1126	break;
		1127
1023	}	1128	}
1024	}
1025		1129
1026	void	1130	TRANSFER (ta);
1027	_clear_idle_sp (Coro::State self)	1131	}
1028	CODE:
1029	self->stack->idle_sp = 0;
1030		1132
1031	void	1133	void
1032	_clone_state_from (SV dst, SV src)	1134	_clone_state_from (SV dst, SV src)
1033	CODE:	1135	CODE:
1034	{	1136	{
…		…
1045	int code	1147	int code
1046	PROTOTYPE: $	1148	PROTOTYPE: $
1047	CODE:	1149	CODE:
1048	_exit (code);	1150	_exit (code);
1049		1151
1050	MODULE = Coro::State PACKAGE = Coro::Cont
1051
1052	void
1053	yield (...)
1054	PROTOTYPE: @
1055	CODE:
1056	{
1057	SV *yieldstack;
1058	SV *sv;
1059	AV *defav = GvAV (PL_defgv);
1060	struct coro prev, next;
1061
1062	yieldstack = *hv_fetch (
1063	(HV *)SvRV (GvSV (coro_current)),
1064	"yieldstack", sizeof ("yieldstack") - 1,
1065	0
1066	);
1067
1068	/* set up @_ -- ugly */
1069	av_clear (defav);
1070	av_fill (defav, items - 1);
1071	while (items--)
1072	av_store (defav, items, SvREFCNT_inc (ST(items)));
1073
1074	sv = av_pop ((AV *)SvRV (yieldstack));
1075	prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
1076	next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
1077	SvREFCNT_dec (sv);
1078
1079	coro_state_transfer (aTHX_ prev, next, 0);
1080	}
1081
1082	MODULE = Coro::State PACKAGE = Coro	1152	MODULE = Coro::State PACKAGE = Coro
1083		1153
1084	BOOT:	1154	BOOT:
1085	{	1155	{
1086	int i;	1156	int i;
…		…
1111		1181
1112	GCoroAPI = &coroapi;	1182	GCoroAPI = &coroapi;
1113	sv_setiv (sv, (IV)&coroapi);	1183	sv_setiv (sv, (IV)&coroapi);
1114	SvREADONLY_on (sv);	1184	SvREADONLY_on (sv);
1115	}	1185	}
		1186	}
		1187
		1188	int
		1189	prio (Coro::State coro, int newprio = 0)
		1190	ALIAS:
		1191	nice = 1
		1192	CODE:
		1193	{
		1194	RETVAL = coro->prio;
		1195
		1196	if (items > 1)
		1197	{
		1198	if (ix)
		1199	newprio += coro->prio;
		1200
		1201	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		1202	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		1203
		1204	coro->prio = newprio;
		1205	}
1116	}	1206	}
1117		1207
1118	void	1208	void
1119	ready (SV *self)	1209	ready (SV *self)
1120	PROTOTYPE: $	1210	PROTOTYPE: $
…		…
1127	CODE:	1217	CODE:
1128	RETVAL = coro_nready;	1218	RETVAL = coro_nready;
1129	OUTPUT:	1219	OUTPUT:
1130	RETVAL	1220	RETVAL
1131		1221
1132	void
1133	schedule (...)
1134	PROTOTYPE:
1135	CODE:
1136	api_schedule ();
1137
1138	void
1139	_set_cede_self ()
1140	CODE:
1141	coro_cede_self = 1;
1142
1143	void
1144	cede (...)
1145	PROTOTYPE:
1146	CODE:
1147	api_cede ();
1148
1149	MODULE = Coro::State PACKAGE = Coro::AIO	1222	MODULE = Coro::State PACKAGE = Coro::AIO
1150		1223
1151	SV *	1224	SV *
1152	_get_state ()	1225	_get_state ()
1153	CODE:	1226	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.91 by root, Sat Nov 25 01:14:11 2006 UTC vs. Revision 1.103 by root, Mon Nov 27 01:33:30 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.91 by root, Sat Nov 25 01:14:11 2006 UTC vs.
Revision 1.103 by root, Mon Nov 27 01:33:30 2006 UTC