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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.96 by root, Sun Nov 26 18:25:11 2006 UTC vs.
Revision 1.132 by root, Fri Dec 29 13:03:05 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	#include <stdio.h>
		10	#include <errno.h>
		11	#include <assert.h>
		12
		13	#ifdef HAVE_MMAP
		14	# include <unistd.h>
		15	# include <sys/mman.h>
		16	# ifndef MAP_ANONYMOUS
		17	# ifdef MAP_ANON
		18	# define MAP_ANONYMOUS MAP_ANON
		19	# else
		20	# undef HAVE_MMAP
		21	# endif
		22	# endif
		23	# include <limits.h>
		24	# ifndef PAGESIZE
		25	# define PAGESIZE pagesize
		26	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
		27	static long pagesize;
		28	# else
		29	# define BOOT_PAGESIZE (void)0
		30	# endif
		31	#else
		32	# define PAGESIZE 0
		33	# define BOOT_PAGESIZE (void)0
		34	#endif
		35
		36	#if USE_VALGRIND
		37	# include <valgrind/valgrind.h>
		38	#endif
		39
		40	/* the maximum number of idle cctx that will be pooled */
		41	#define MAX_IDLE_CCTX 8
		42
		43	#define PERL_VERSION_ATLEAST(a,b,c) \
		44	(PERL_REVISION > (a) \
		45	\|\| (PERL_REVISION == (a) \
		46	&& (PERL_VERSION > (b) \
		47	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))
		48
		49	#if !PERL_VERSION_ATLEAST (5,6,0)
12	# ifndef PL_ppaddr	50	# ifndef PL_ppaddr
13	# define PL_ppaddr ppaddr	51	# define PL_ppaddr ppaddr
14	# endif	52	# endif
15	# ifndef call_sv	53	# ifndef call_sv
16	# define call_sv perl_call_sv	54	# define call_sv perl_call_sv
27	# ifndef IS_PADCONST	65	# ifndef IS_PADCONST
28	# define IS_PADCONST(v) 0	66	# define IS_PADCONST(v) 0
29	# endif	67	# endif
30	#endif	68	#endif
31		69
32	#include <stdio.h>	70	/* 5.8.7 */
33	#include <errno.h>	71	#ifndef SvRV_set
		72	# define SvRV_set(s,v) SvRV(s) = (v)
		73	#endif
34		74
35	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	75	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
36	# undef STACKGUARD	76	# undef STACKGUARD
37	#endif	77	#endif
38		78
39	#ifndef STACKGUARD	79	#ifndef STACKGUARD
40	# define STACKGUARD 0	80	# define STACKGUARD 0
41	#endif	81	#endif
42		82
43	#ifdef HAVE_MMAP	83	/* prefer perl internal functions over our own? */
44	# include <unistd.h>	84	#ifndef PREFER_PERL_FUNCTIONS
45	# include <sys/mman.h>	85	# define PREFER_PERL_FUNCTIONS 0
46	# ifndef MAP_ANONYMOUS
47	# ifdef MAP_ANON
48	# define MAP_ANONYMOUS MAP_ANON
49	# else
50	# undef HAVE_MMAP
51	# endif
52	# endif
53	# include <limits.h>
54	# ifndef PAGESIZE
55	# define PAGESIZE pagesize
56	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
57	static long pagesize;
58	# else
59	# define BOOT_PAGESIZE
60	# endif
61	#endif	86	#endif
62		87
63	/* The next macro should declare a variable stacklevel that contains and approximation	88	/* The next macro should declare a variable stacklevel that contains and approximation
64	* to the current C stack pointer. Its property is that it changes with each call	89	* to the current C stack pointer. Its property is that it changes with each call
65	* and should be unique. */	90	* and should be unique. */
66	#define dSTACKLEVEL int stacklevel	91	#define dSTACKLEVEL int stacklevel
67	#define STACKLEVEL ((void *)&stacklevel)	92	#define STACKLEVEL ((void *)&stacklevel)
68		93
69	#define IN_DESTRUCT (PL_main_cv == Nullcv)	94	#define IN_DESTRUCT (PL_main_cv == Nullcv)
70		95
		96	#if __GNUC__ >= 3
		97	# define attribute(x) __attribute__(x)
		98	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		99	#else
		100	# define attribute(x)
		101	# define BARRIER
		102	#endif
		103
		104	#define NOINLINE attribute ((noinline))
		105
71	#include "CoroAPI.h"	106	#include "CoroAPI.h"
72
73	#define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */
74		107
75	#ifdef USE_ITHREADS	108	#ifdef USE_ITHREADS
76	static perl_mutex coro_mutex;	109	static perl_mutex coro_mutex;
77	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	110	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
78	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	111	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
79	#else	112	#else
80	# define LOCK (void)0	113	# define LOCK (void)0
81	# define UNLOCK (void)0	114	# define UNLOCK (void)0
82	#endif	115	#endif
83		116
		117	struct io_state
		118	{
		119	int errorno;
		120	I32 laststype;
		121	int laststatval;
		122	Stat_t statcache;
		123	};
		124
84	static struct CoroAPI coroapi;	125	static struct CoroAPI coroapi;
85	static AV main_mainstack; / used to differentiate between $main and others */	126	static AV main_mainstack; / used to differentiate between $main and others */
86	static HV coro_state_stash, coro_stash;	127	static HV coro_state_stash, coro_stash;
87	static SV coro_mortal; / will be freed after next transfer */	128	static SV coro_mortal; / will be freed after next transfer */
88		129
		130	static struct coro_cctx *cctx_first;
		131	static int cctx_count, cctx_idle;
		132
89	/* this is a structure representing a c-level coroutine */	133	/* this is a structure representing a c-level coroutine */
90	typedef struct coro_stack {	134	typedef struct coro_cctx {
91	struct coro_stack *next;	135	struct coro_cctx *next;
92		136
93	/* the stack */	137	/* the stack */
94	void *sptr;	138	void *sptr;
95	long ssize; /* positive == mmap, otherwise malloc */	139	long ssize; /* positive == mmap, otherwise malloc */
96		140
97	/* cpu state */	141	/* cpu state */
98	void idle_sp; / sp of top-level transfer/schedule/cede call */	142	void idle_sp; / sp of top-level transfer/schedule/cede call */
		143	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
99	JMPENV *top_env;	144	JMPENV *top_env;
100	coro_context cctx;	145	coro_context cctx;
101	} coro_stack;	146
		147	int inuse;
		148
		149	#if USE_VALGRIND
		150	int valgrind_id;
		151	#endif
		152	} coro_cctx;
		153
		154	enum {
		155	CF_RUNNING = 0x0001, /* coroutine is running */
		156	CF_READY = 0x0002, /* coroutine is ready */
		157	CF_NEW = 0x0004, /* ahs never been switched to */
		158	};
102		159
103	/* this is a structure representing a perl-level coroutine */	160	/* this is a structure representing a perl-level coroutine */
104	struct coro {	161	struct coro {
105	/* the c coroutine allocated to this perl coroutine, if any */	162	/* the c coroutine allocated to this perl coroutine, if any */
106	coro_stack *stack;	163	coro_cctx *cctx;
107		164
108	/* data associated with this coroutine (initial args) */	165	/* data associated with this coroutine (initial args) */
109	AV *args;	166	AV *args;
110	int refcnt;	167	int refcnt;
		168	int save; /* CORO_SAVE flags */
		169	int flags; /* CF_ flags */
111		170
112	/* optionally saved, might be zero */	171	/* optionally saved, might be zero */
113	AV *defav;	172	AV defav; / @_ */
114	SV *defsv;	173	SV defsv; / $_ */
115	SV *errsv;	174	SV errsv; / $@ */
		175	SV irssv; / $/ */
		176	SV irssv_sv; / real $/ cache */
116		177
117	/* saved global state not related to stacks */	178	#define VAR(name,type) type name;
118	U8 dowarn;	179	# include "state.h"
119	I32 in_eval;	180	#undef VAR
120
121	/* the stacks and related info (callchain etc..) */
122	PERL_SI *curstackinfo;
123	AV *curstack;
124	AV *mainstack;
125	SV **stack_sp;
126	OP *op;
127	SV **curpad;
128	AV *comppad;
129	CV *compcv;
130	SV **stack_base;
131	SV **stack_max;
132	SV **tmps_stack;
133	I32 tmps_floor;
134	I32 tmps_ix;
135	I32 tmps_max;
136	I32 *markstack;
137	I32 *markstack_ptr;
138	I32 *markstack_max;
139	I32 *scopestack;
140	I32 scopestack_ix;
141	I32 scopestack_max;
142	ANY *savestack;
143	I32 savestack_ix;
144	I32 savestack_max;
145	OP **retstack;
146	I32 retstack_ix;
147	I32 retstack_max;
148	PMOP *curpm;
149	COP *curcop;
150		181
151	/* coro process data */	182	/* coro process data */
152	int prio;	183	int prio;
153	};	184	};
154		185
155	typedef struct coro *Coro__State;	186	typedef struct coro *Coro__State;
156	typedef struct coro *Coro__State_or_hashref;	187	typedef struct coro *Coro__State_or_hashref;
157		188
158	static AV *	189	static AV *
159	coro_clone_padlist (pTHX_ CV *cv)	190	coro_clone_padlist (CV *cv)
160	{	191	{
161	AV *padlist = CvPADLIST (cv);	192	AV *padlist = CvPADLIST (cv);
162	AV newpadlist, newpad;	193	AV newpadlist, newpad;
163		194
164	newpadlist = newAV ();	195	newpadlist = newAV ();
165	AvREAL_off (newpadlist);	196	AvREAL_off (newpadlist);
166	#if PERL_VERSION < 9	197	#if PERL_VERSION_ATLEAST (5,9,0)
		198	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		199	#else
167	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	200	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
168	#else
169	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
170	#endif	201	#endif
171	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	202	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
172	--AvFILLp (padlist);	203	--AvFILLp (padlist);
173		204
174	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	205	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
…		…
176		207
177	return newpadlist;	208	return newpadlist;
178	}	209	}
179		210
180	static void	211	static void
181	free_padlist (pTHX_ AV *padlist)	212	free_padlist (AV *padlist)
182	{	213	{
183	/* may be during global destruction */	214	/* may be during global destruction */
184	if (SvREFCNT (padlist))	215	if (SvREFCNT (padlist))
185	{	216	{
186	I32 i = AvFILLp (padlist);	217	I32 i = AvFILLp (padlist);
…		…
207	AV *padlist;	238	AV *padlist;
208	AV av = (AV )mg->mg_obj;	239	AV av = (AV )mg->mg_obj;
209		240
210	/* casting is fun. */	241	/* casting is fun. */
211	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	242	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
212	free_padlist (aTHX_ padlist);	243	free_padlist (padlist);
213		244
214	SvREFCNT_dec (av);	245	SvREFCNT_dec (av);
215		246
216	return 0;	247	return 0;
217	}	248	}
218		249
219	#define PERL_MAGIC_coro PERL_MAGIC_ext	250	#define PERL_MAGIC_coro PERL_MAGIC_ext
220		251
221	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	252	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
222		253
		254	#define CORO_MAGIC(cv) \
		255	SvMAGIC (cv) \
		256	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
		257	? SvMAGIC (cv) \
		258	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
		259	: 0
		260
223	/* the next two functions merely cache the padlists */	261	/* the next two functions merely cache the padlists */
224	static void	262	static void
225	get_padlist (pTHX_ CV *cv)	263	get_padlist (CV *cv)
226	{	264	{
227	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	265	MAGIC *mg = CORO_MAGIC (cv);
		266	AV *av;
228		267
229	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	268	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
230	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	269	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
231	else	270	else
232	{	271	{
233	#if 0	272	#if PREFER_PERL_FUNCTIONS
234	/* this is probably cleaner, but also slower? */	273	/* this is probably cleaner, but also slower? */
235	CV *cp = Perl_cv_clone (aTHX_ cv);	274	CV *cp = Perl_cv_clone (cv);
236	CvPADLIST (cv) = CvPADLIST (cp);	275	CvPADLIST (cv) = CvPADLIST (cp);
237	CvPADLIST (cp) = 0;	276	CvPADLIST (cp) = 0;
238	SvREFCNT_dec (cp);	277	SvREFCNT_dec (cp);
239	#else	278	#else
240	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	279	CvPADLIST (cv) = coro_clone_padlist (cv);
241	#endif	280	#endif
242	}	281	}
243	}	282	}
244		283
245	static void	284	static void
246	put_padlist (pTHX_ CV *cv)	285	put_padlist (CV *cv)
247	{	286	{
248	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	287	MAGIC *mg = CORO_MAGIC (cv);
		288	AV *av;
249		289
250	if (!mg)	290	if (!mg)
251	{	291	{
252	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	292	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
253	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	293	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
254	mg->mg_virtual = &vtbl_coro;	294	mg->mg_virtual = &vtbl_coro;
255	mg->mg_obj = (SV *)newAV ();	295	mg->mg_obj = (SV *)newAV ();
256	}	296	}
257		297
258	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));	298	av = (AV *)mg->mg_obj;
		299
		300	if (AvFILLp (av) >= AvMAX (av))
		301	av_extend (av, AvMAX (av) + 1);
		302
		303	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
259	}	304	}
260		305
261	#define SB do {	306	#define SB do {
262	#define SE } while (0)	307	#define SE } while (0)
263		308
264	#define LOAD(state) load_state(aTHX_ (state));
265	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
266
267	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE	309	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
268		310
269	static void	311	static void
270	load_state(pTHX_ Coro__State c)	312	load_perl (Coro__State c)
271	{	313	{
272	PL_dowarn = c->dowarn;	314	#define VAR(name,type) PL_ ## name = c->name;
273	PL_in_eval = c->in_eval;	315	# include "state.h"
274		316	#undef VAR
275	PL_curstackinfo = c->curstackinfo;
276	PL_curstack = c->curstack;
277	PL_mainstack = c->mainstack;
278	PL_stack_sp = c->stack_sp;
279	PL_op = c->op;
280	PL_curpad = c->curpad;
281	PL_comppad = c->comppad;
282	PL_compcv = c->compcv;
283	PL_stack_base = c->stack_base;
284	PL_stack_max = c->stack_max;
285	PL_tmps_stack = c->tmps_stack;
286	PL_tmps_floor = c->tmps_floor;
287	PL_tmps_ix = c->tmps_ix;
288	PL_tmps_max = c->tmps_max;
289	PL_markstack = c->markstack;
290	PL_markstack_ptr = c->markstack_ptr;
291	PL_markstack_max = c->markstack_max;
292	PL_scopestack = c->scopestack;
293	PL_scopestack_ix = c->scopestack_ix;
294	PL_scopestack_max = c->scopestack_max;
295	PL_savestack = c->savestack;
296	PL_savestack_ix = c->savestack_ix;
297	PL_savestack_max = c->savestack_max;
298	#if PERL_VERSION < 9
299	PL_retstack = c->retstack;
300	PL_retstack_ix = c->retstack_ix;
301	PL_retstack_max = c->retstack_max;
302	#endif
303	PL_curpm = c->curpm;
304	PL_curcop = c->curcop;
305		317
306	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	318	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
307	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	319	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
308	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	320	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		321	if (c->irssv)
		322	{
		323	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		324	SvREFCNT_dec (c->irssv);
		325	else
		326	{
		327	REPLACE_SV (PL_rs, c->irssv);
		328	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
		329	sv_setsv (c->irssv_sv, PL_rs);
		330	}
		331	}
309		332
310	{	333	{
311	dSP;	334	dSP;
312	CV *cv;	335	CV *cv;
313		336
314	/* now do the ugly restore mess */	337	/* now do the ugly restore mess */
315	while ((cv = (CV *)POPs))	338	while ((cv = (CV *)POPs))
316	{	339	{
317	AV padlist = (AV )POPs;
318
319	if (padlist)
320	{
321	put_padlist (aTHX_ cv); /* mark this padlist as available */	340	put_padlist (cv); /* mark this padlist as available */
322	CvPADLIST(cv) = padlist;	341	CvDEPTH (cv) = PTR2IV (POPs);
323	}	342	CvPADLIST (cv) = (AV *)POPs;
324
325	++CvDEPTH(cv);
326	}	343	}
327		344
328	PUTBACK;	345	PUTBACK;
329	}	346	}
330	}	347	}
331		348
332	static void	349	static void
333	save_state(pTHX_ Coro__State c, int flags)	350	save_perl (Coro__State c)
334	{	351	{
335	{	352	{
336	dSP;	353	dSP;
337	I32 cxix = cxstack_ix;	354	I32 cxix = cxstack_ix;
338	PERL_CONTEXT *ccstk = cxstack;	355	PERL_CONTEXT *ccstk = cxstack;
…		…
341	/*	358	/*
342	* the worst thing you can imagine happens first - we have to save	359	* the worst thing you can imagine happens first - we have to save
343	* (and reinitialize) all cv's in the whole callchain :(	360	* (and reinitialize) all cv's in the whole callchain :(
344	*/	361	*/
345		362
		363	EXTEND (SP, 3 + 1);
346	PUSHs (Nullsv);	364	PUSHs (Nullsv);
347	/* this loop was inspired by pp_caller */	365	/* this loop was inspired by pp_caller */
348	for (;;)	366	for (;;)
349	{	367	{
350	while (cxix >= 0)	368	while (cxix >= 0)
351	{	369	{
352	PERL_CONTEXT *cx = &ccstk[cxix--];	370	PERL_CONTEXT *cx = &ccstk[cxix--];
353		371
354	if (CxTYPE(cx) == CXt_SUB)	372	if (CxTYPE (cx) == CXt_SUB)
355	{	373	{
356	CV *cv = cx->blk_sub.cv;	374	CV *cv = cx->blk_sub.cv;
		375
357	if (CvDEPTH(cv))	376	if (CvDEPTH (cv))
358	{	377	{
359	EXTEND (SP, CvDEPTH(cv)*2);	378	EXTEND (SP, 3);
360
361	while (--CvDEPTH(cv))
362	{
363	/* this tells the restore code to increment CvDEPTH */
364	PUSHs (Nullsv);
365	PUSHs ((SV *)cv);
366	}
367
368	PUSHs ((SV *)CvPADLIST(cv));	379	PUSHs ((SV *)CvPADLIST (cv));
		380	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
369	PUSHs ((SV *)cv);	381	PUSHs ((SV *)cv);
370		382
		383	CvDEPTH (cv) = 0;
371	get_padlist (aTHX_ cv);	384	get_padlist (cv);
372	}	385	}
373	}	386	}
374	#ifdef CXt_FORMAT
375	else if (CxTYPE(cx) == CXt_FORMAT)
376	{
377	/* I never used formats, so how should I know how these are implemented? */
378	/* my bold guess is as a simple, plain sub... */
379	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
380	}
381	#endif
382	}	387	}
383		388
384	if (top_si->si_type == PERLSI_MAIN)	389	if (top_si->si_type == PERLSI_MAIN)
385	break;	390	break;
386		391
…		…
390	}	395	}
391		396
392	PUTBACK;	397	PUTBACK;
393	}	398	}
394		399
395	c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	400	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
396	c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	401	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
397	c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	402	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		403	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
398		404
399	c->dowarn = PL_dowarn;	405	#define VAR(name,type)c->name = PL_ ## name;
400	c->in_eval = PL_in_eval;	406	# include "state.h"
401		407	#undef VAR
402	c->curstackinfo = PL_curstackinfo;
403	c->curstack = PL_curstack;
404	c->mainstack = PL_mainstack;
405	c->stack_sp = PL_stack_sp;
406	c->op = PL_op;
407	c->curpad = PL_curpad;
408	c->comppad = PL_comppad;
409	c->compcv = PL_compcv;
410	c->stack_base = PL_stack_base;
411	c->stack_max = PL_stack_max;
412	c->tmps_stack = PL_tmps_stack;
413	c->tmps_floor = PL_tmps_floor;
414	c->tmps_ix = PL_tmps_ix;
415	c->tmps_max = PL_tmps_max;
416	c->markstack = PL_markstack;
417	c->markstack_ptr = PL_markstack_ptr;
418	c->markstack_max = PL_markstack_max;
419	c->scopestack = PL_scopestack;
420	c->scopestack_ix = PL_scopestack_ix;
421	c->scopestack_max = PL_scopestack_max;
422	c->savestack = PL_savestack;
423	c->savestack_ix = PL_savestack_ix;
424	c->savestack_max = PL_savestack_max;
425	#if PERL_VERSION < 9
426	c->retstack = PL_retstack;
427	c->retstack_ix = PL_retstack_ix;
428	c->retstack_max = PL_retstack_max;
429	#endif
430	c->curpm = PL_curpm;
431	c->curcop = PL_curcop;
432	}	408	}
433		409
434	/*	410	/*
435	* allocate various perl stacks. This is an exact copy	411	* allocate various perl stacks. This is an exact copy
436	* of perl.c:init_stacks, except that it uses less memory	412	* of perl.c:init_stacks, except that it uses less memory
437	* on the (sometimes correct) assumption that coroutines do	413	* on the (sometimes correct) assumption that coroutines do
438	* not usually need a lot of stackspace.	414	* not usually need a lot of stackspace.
439	*/	415	*/
		416	#if PREFER_PERL_FUNCTIONS
		417	# define coro_init_stacks init_stacks
		418	#else
440	static void	419	static void
441	coro_init_stacks (pTHX)	420	coro_init_stacks ()
442	{	421	{
443	LOCK;
444
445	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	422	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));
446	PL_curstackinfo->si_type = PERLSI_MAIN;	423	PL_curstackinfo->si_type = PERLSI_MAIN;
447	PL_curstack = PL_curstackinfo->si_stack;	424	PL_curstack = PL_curstackinfo->si_stack;
448	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	425	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
449		426
450	PL_stack_base = AvARRAY(PL_curstack);	427	PL_stack_base = AvARRAY(PL_curstack);
451	PL_stack_sp = PL_stack_base;	428	PL_stack_sp = PL_stack_base;
452	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	429	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
453		430
454	New(50,PL_tmps_stack,96,SV*);	431	New(50,PL_tmps_stack,128,SV*);
455	PL_tmps_floor = -1;	432	PL_tmps_floor = -1;
456	PL_tmps_ix = -1;	433	PL_tmps_ix = -1;
457	PL_tmps_max = 96;	434	PL_tmps_max = 128;
458		435
459	New(54,PL_markstack,16,I32);	436	New(54,PL_markstack,32,I32);
460	PL_markstack_ptr = PL_markstack;	437	PL_markstack_ptr = PL_markstack;
461	PL_markstack_max = PL_markstack + 16;	438	PL_markstack_max = PL_markstack + 32;
462		439
463	#ifdef SET_MARK_OFFSET	440	#ifdef SET_MARK_OFFSET
464	SET_MARK_OFFSET;	441	SET_MARK_OFFSET;
465	#endif	442	#endif
466		443
467	New(54,PL_scopestack,16,I32);	444	New(54,PL_scopestack,32,I32);
468	PL_scopestack_ix = 0;	445	PL_scopestack_ix = 0;
469	PL_scopestack_max = 16;	446	PL_scopestack_max = 32;
470		447
471	New(54,PL_savestack,96,ANY);	448	New(54,PL_savestack,64,ANY);
472	PL_savestack_ix = 0;	449	PL_savestack_ix = 0;
473	PL_savestack_max = 96;	450	PL_savestack_max = 64;
474		451
475	#if PERL_VERSION < 9	452	#if !PERL_VERSION_ATLEAST (5,9,0)
476	New(54,PL_retstack,8,OP*);	453	New(54,PL_retstack,16,OP*);
477	PL_retstack_ix = 0;	454	PL_retstack_ix = 0;
478	PL_retstack_max = 8;	455	PL_retstack_max = 16;
479	#endif	456	#endif
480
481	UNLOCK;
482	}	457	}
		458	#endif
483		459
484	/*	460	/*
485	* destroy the stacks, the callchain etc...	461	* destroy the stacks, the callchain etc...
486	*/	462	*/
487	static void	463	static void
488	destroy_stacks(pTHX)	464	coro_destroy_stacks ()
489	{	465	{
490	if (!IN_DESTRUCT)	466	if (!IN_DESTRUCT)
491	{	467	{
492	/* is this ugly, I ask? */	468	/* restore all saved variables and stuff */
493	LEAVE_SCOPE (0);	469	LEAVE_SCOPE (0);
		470	assert (PL_tmps_floor == -1);
494		471
495	/* sure it is, but more important: is it correct?? :/ */	472	/* free all temporaries */
496	FREETMPS;	473	FREETMPS;
		474	assert (PL_tmps_ix == -1);
497		475
498	/POPSTACK_TO (PL_mainstack);//D//use/	476	POPSTACK_TO (PL_mainstack);
499	}	477	}
500		478
501	while (PL_curstackinfo->si_next)	479	while (PL_curstackinfo->si_next)
502	PL_curstackinfo = PL_curstackinfo->si_next;	480	PL_curstackinfo = PL_curstackinfo->si_next;
503		481
504	while (PL_curstackinfo)	482	while (PL_curstackinfo)
505	{	483	{
506	PERL_SI *p = PL_curstackinfo->si_prev;	484	PERL_SI *p = PL_curstackinfo->si_prev;
507		485
508	{ /D//remove/
509	dSP;
510	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
511	PUTBACK; /* possibly superfluous */
512	}
513
514	if (!IN_DESTRUCT)	486	if (!IN_DESTRUCT)
515	{
516	dounwind (-1);/D//remove/
517	SvREFCNT_dec (PL_curstackinfo->si_stack);	487	SvREFCNT_dec (PL_curstackinfo->si_stack);
518	}
519		488
520	Safefree (PL_curstackinfo->si_cxstack);	489	Safefree (PL_curstackinfo->si_cxstack);
521	Safefree (PL_curstackinfo);	490	Safefree (PL_curstackinfo);
522	PL_curstackinfo = p;	491	PL_curstackinfo = p;
523	}	492	}
524		493
525	Safefree (PL_tmps_stack);	494	Safefree (PL_tmps_stack);
526	Safefree (PL_markstack);	495	Safefree (PL_markstack);
527	Safefree (PL_scopestack);	496	Safefree (PL_scopestack);
528	Safefree (PL_savestack);	497	Safefree (PL_savestack);
529	#if PERL_VERSION < 9	498	#if !PERL_VERSION_ATLEAST (5,9,0)
530	Safefree (PL_retstack);	499	Safefree (PL_retstack);
531	#endif	500	#endif
532	}	501	}
533		502
534	static void	503	static void
535	setup_coro (struct coro *coro)	504	setup_coro (struct coro *coro)
536	{	505	{
537	/*	506	/*
538	* emulate part of the perl startup here.	507	* emulate part of the perl startup here.
539	*/	508	*/
540	dTHX;	509
		510	coro_init_stacks ();
		511
		512	PL_curcop = &PL_compiling;
		513	PL_in_eval = EVAL_NULL;
		514	PL_curpm = 0;
		515	PL_localizing = 0;
		516	PL_dirty = 0;
		517	PL_restartop = 0;
		518
		519	{
		520	dSP;
		521	LOGOP myop;
		522
		523	SvREFCNT_dec (GvAV (PL_defgv));
		524	GvAV (PL_defgv) = coro->args; coro->args = 0;
		525
		526	Zero (&myop, 1, LOGOP);
		527	myop.op_next = Nullop;
		528	myop.op_flags = OPf_WANT_VOID;
		529
		530	PUSHMARK (SP);
		531	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));
		532	PUTBACK;
		533	PL_op = (OP *)&myop;
		534	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
		535	SPAGAIN;
		536	}
		537
		538	ENTER; /* necessary e.g. for dounwind */
		539	}
		540
		541	static void
		542	free_coro_mortal ()
		543	{
		544	if (coro_mortal)
		545	{
		546	SvREFCNT_dec (coro_mortal);
		547	coro_mortal = 0;
		548	}
		549	}
		550
		551	/* inject a fake call to Coro::State::_cctx_init into the execution */
		552	static void NOINLINE
		553	prepare_cctx (coro_cctx *cctx)
		554	{
541	dSP;	555	dSP;
542	UNOP myop;	556	LOGOP myop;
543	SV sub_init = (SV )get_cv ("Coro::State::coro_init", FALSE);
544		557
545	coro_init_stacks (aTHX);
546	/PL_curcop = 0;/
547	/PL_in_eval = PL_in_eval;/ /* inherit */
548	SvREFCNT_dec (GvAV (PL_defgv));
549	GvAV (PL_defgv) = coro->args; coro->args = 0;
550
551	SPAGAIN;
552
553	Zero (&myop, 1, UNOP);	558	Zero (&myop, 1, LOGOP);
554	myop.op_next = Nullop;	559	myop.op_next = PL_op;
555	myop.op_flags = OPf_WANT_VOID;	560	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
556		561
		562	PUSHMARK (SP);
		563	EXTEND (SP, 2);
		564	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));
		565	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
		566	PUTBACK;
557	PL_op = (OP *)&myop;	567	PL_op = (OP *)&myop;
558
559	PUSHMARK(SP);
560	XPUSHs (sub_init);
561	PUTBACK;
562	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	568	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
563	SPAGAIN;	569	SPAGAIN;
564
565	ENTER; /* necessary e.g. for dounwind */
566	}
567
568	static void
569	free_coro_mortal ()
570	{
571	if (coro_mortal)
572	{
573	SvREFCNT_dec (coro_mortal);
574	coro_mortal = 0;
575	}
576	}	570	}
577		571
578	static void	572	static void
579	coro_run (void *arg)	573	coro_run (void *arg)
580	{	574	{
		575	/* coro_run is the alternative tail of transfer(), so unlock here. */
		576	UNLOCK;
		577
581	/*	578	/*
582	* this is a _very_ stripped down perl interpreter ;)	579	* this is a _very_ stripped down perl interpreter ;)
583	*/	580	*/
584	dTHX;
585	int ret;
586
587	UNLOCK;
588
589	PL_top_env = &PL_start_env;	581	PL_top_env = &PL_start_env;
590		582
591	sv_setiv (get_sv ("Coro::State::cctx_stack", FALSE), PTR2IV ((coro_stack *)arg));	583	/* inject call to cctx_init */
592	sv_setiv (get_sv ("Coro::State::cctx_restartop", FALSE), PTR2IV (PL_op));	584	prepare_cctx ((coro_cctx *)arg);
593
594	/* continue at cctx_init, without entersub */
595	PL_restartop = CvSTART (get_cv ("Coro::State::cctx_init", FALSE));
596		585
597	/* somebody will hit me for both perl_run and PL_restartop */	586	/* somebody will hit me for both perl_run and PL_restartop */
598	ret = perl_run (aTHX_ PERL_GET_CONTEXT);	587	PL_restartop = PL_op;
599	printf ("ret %d\n", ret);//D	588	perl_run (PL_curinterp);
600		589
601	fputs ("FATAL: C coroutine fell over the edge of the world, aborting.\n", stderr);	590	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);
602	abort ();	591	abort ();
603	}	592	}
604		593
605	static coro_stack *	594	static coro_cctx *
606	stack_new ()	595	cctx_new ()
607	{	596	{
608	coro_stack *stack;	597	coro_cctx *cctx;
609		598
		599	++cctx_count;
		600
610	New (0, stack, 1, coro_stack);	601	Newz (0, cctx, 1, coro_cctx);
611		602
612	#if HAVE_MMAP	603	#if HAVE_MMAP
613		604
614	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	605	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;
615	/* mmap suppsedly does allocate-on-write for us */	606	/* mmap supposedly does allocate-on-write for us */
616	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	607	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
617		608
618	if (stack->sptr == (void *)-1)	609	if (cctx->sptr == (void *)-1)
619	{	610	{
620	perror ("FATAL: unable to mmap stack for coroutine");	611	perror ("FATAL: unable to mmap stack for coroutine");
621	_exit (EXIT_FAILURE);	612	_exit (EXIT_FAILURE);
622	}	613	}
623		614
624	# if STACKGUARD	615	# if STACKGUARD
625	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	616	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
626	# endif	617	# endif
627		618
628	#else	619	#else
629		620
630	stack->ssize = STACKSIZE * (long)sizeof (long);	621	cctx->ssize = STACKSIZE * (long)sizeof (long);
631	New (0, stack->sptr, STACKSIZE, long);	622	New (0, cctx->sptr, STACKSIZE, long);
632		623
633	if (!stack->sptr)	624	if (!cctx->sptr)
634	{	625	{
635	perror (stderr, "FATAL: unable to malloc stack for coroutine");	626	perror ("FATAL: unable to malloc stack for coroutine");
636	_exit (EXIT_FAILURE);	627	_exit (EXIT_FAILURE);
637	}	628	}
638		629
639	#endif	630	#endif
640		631
		632	#if USE_VALGRIND
		633	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
		634	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
		635	cctx->ssize + (char *)cctx->sptr
		636	);
		637	#endif
		638
641	coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize);	639	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
642		640
643	return stack;	641	return cctx;
644	}	642	}
645		643
646	static void	644	static void
647	stack_free (coro_stack *stack)	645	cctx_destroy (coro_cctx *cctx)
648	{	646	{
649	if (!stack)	647	if (!cctx)
650	return;	648	return;
651		649
		650	--cctx_count;
		651
		652	#if USE_VALGRIND
		653	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
		654	#endif
		655
652	#if HAVE_MMAP	656	#if HAVE_MMAP
653	munmap (stack->sptr, stack->ssize);	657	munmap (cctx->sptr, cctx->ssize);
654	#else	658	#else
655	Safefree (stack->sptr);	659	Safefree (cctx->sptr);
656	#endif	660	#endif
657		661
658	Safefree (stack);	662	Safefree (cctx);
659	}	663	}
660		664
661	static coro_stack *stack_first;
662
663	static coro_stack *	665	static coro_cctx *
664	stack_get ()	666	cctx_get ()
665	{	667	{
666	coro_stack *stack;	668	coro_cctx *cctx;
667		669
668	if (stack_first)	670	if (cctx_first)
669	{	671	{
670	stack = stack_first;	672	cctx = cctx_first;
671	stack_first = stack->next;	673	cctx_first = cctx->next;
		674	--cctx_idle;
672	}	675	}
673	else	676	else
674	{	677	{
675	stack = stack_new ();	678	cctx = cctx_new ();
676	PL_op = PL_op->op_next;	679	PL_op = PL_op->op_next;
677	}	680	}
678		681
679	return stack;	682	return cctx;
680	}	683	}
681		684
682	static void	685	static void
683	stack_put (coro_stack *stack)	686	cctx_put (coro_cctx *cctx)
684	{	687	{
685	stack->next = stack_first;	688	/* free another cctx if overlimit */
686	stack_first = stack;	689	if (cctx_idle >= MAX_IDLE_CCTX)
		690	{
		691	coro_cctx *first = cctx_first;
		692	cctx_first = first->next;
		693	--cctx_idle;
		694
		695	assert (!first->inuse);
		696	cctx_destroy (first);
		697	}
		698
		699	++cctx_idle;
		700	cctx->next = cctx_first;
		701	cctx_first = cctx;
687	}	702	}
688		703
689	/* never call directly, always through the coro_state_transfer global variable */	704	/* never call directly, always through the coro_state_transfer global variable */
690	static void	705	static void NOINLINE
691	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)	706	transfer (struct coro prev, struct coro next)
692	{	707	{
693	dSTACKLEVEL;	708	dSTACKLEVEL;
694		709
695	/* sometimes transfer is only called to set idle_sp */	710	/* sometimes transfer is only called to set idle_sp */
696	if (flags == TRANSFER_SET_STACKLEVEL)	711	if (!next)
		712	{
697	((coro_stack *)prev)->idle_sp = STACKLEVEL;	713	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
		714	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
		715	}
698	else if (prev != next)	716	else if (prev != next)
699	{	717	{
700	coro_stack *prev__stack;	718	coro_cctx *prev__cctx;
		719
		720	if (prev->flags & CF_NEW)
		721	{
		722	/* create a new empty context */
		723	Newz (0, prev->cctx, 1, coro_cctx);
		724	prev->cctx->inuse = 1;
		725	prev->flags &= ~CF_NEW;
		726	prev->flags \|= CF_RUNNING;
		727	}
		728
		729	/TODO: must not croak here /
		730	if (!prev->flags & CF_RUNNING)
		731	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
		732
		733	if (next->flags & CF_RUNNING)
		734	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		735
		736	prev->flags &= ~CF_RUNNING;
		737	next->flags \|= CF_RUNNING;
701		738
702	LOCK;	739	LOCK;
703		740
704	if (next->mainstack)	741	if (next->flags & CF_NEW)
705	{	742	{
706	/* coroutine already started */	743	/* need to start coroutine */
707	SAVE (prev, flags);	744	next->flags &= ~CF_NEW;
708	LOAD (next);	745	/* first get rid of the old state */
		746	save_perl (prev);
		747	/* setup coroutine call */
		748	setup_coro (next);
		749	/* need a new stack */
		750	assert (!next->cctx);
709	}	751	}
710	else	752	else
711	{	753	{
712	/* need to start coroutine */	754	/* coroutine already started */
713	/* first get rid of the old state */	755	save_perl (prev);
714	SAVE (prev, -1);	756	load_perl (next);
715	/* setup coroutine call */
716	setup_coro (next);
717	/* need a stack */
718	next->stack = 0;
719	}	757	}
720		758
721	if (!prev->stack)
722	/* create a new empty context */
723	Newz (0, prev->stack, 1, coro_stack);
724
725	prev__stack = prev->stack;	759	prev__cctx = prev->cctx;
726		760
727	/* possibly "free" the stack */	761	/* possibly "free" the cctx */
728	if (prev__stack->idle_sp == STACKLEVEL)	762	if (prev__cctx->idle_sp == STACKLEVEL)
729	{	763	{
730	stack_put (prev__stack);	764	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
		765	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
		766
731	prev->stack = 0;	767	prev->cctx = 0;
		768
		769	cctx_put (prev__cctx);
		770	prev__cctx->inuse = 0;
732	}	771	}
733		772
734	if (!next->stack)	773	if (!next->cctx)
735	next->stack = stack_get ();
736
737	if (prev__stack != next->stack)
738	{	774	{
739	prev__stack->top_env = PL_top_env;	775	next->cctx = cctx_get ();
740	PL_top_env = next->stack->top_env;	776	assert (!next->cctx->inuse);
741	coro_transfer (&prev__stack->cctx, &next->stack->cctx);	777	next->cctx->inuse = 1;
742	}	778	}
743		779
		780	if (prev__cctx != next->cctx)
		781	{
		782	prev__cctx->top_env = PL_top_env;
		783	PL_top_env = next->cctx->top_env;
		784	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
		785	}
		786
744	free_coro_mortal ();	787	free_coro_mortal ();
745		788
746	UNLOCK;	789	UNLOCK;
747	}	790	}
748	}	791	}
749		792
750	/* use this function pointer to call the above function */
751	/* this is done to increase chances of the compiler not inlining the call */
752	/* not static to make it even harder for the compiler (and theoretically impossible in most cases */
753	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;
754
755	struct transfer_args	793	struct transfer_args
756	{	794	{
757	struct coro prev, next;	795	struct coro prev, next;
758	int flags;
759	};	796	};
760		797
761	#define TRANSFER(ta) coro_state_transfer ((ta).prev, (ta).next, (ta).flags)	798	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)
762		799
763	static void	800	static void
764	coro_state_destroy (struct coro *coro)	801	coro_state_destroy (struct coro *coro)
765	{	802	{
766	if (coro->refcnt--)	803	if (coro->refcnt--)
767	return;	804	return;
768		805
769	if (coro->mainstack && coro->mainstack != main_mainstack)	806	if (coro->mainstack && coro->mainstack != main_mainstack)
770	{	807	{
771	struct coro temp;	808	struct coro temp;
		809	Zero (&temp, 1, struct coro);
		810	temp.save = CORO_SAVE_ALL;
772		811
773	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);	812	if (coro->flags & CF_RUNNING)
774	LOAD (aTHX_ coro);	813	croak ("FATAL: tried to destroy currently running coroutine");
775		814
		815	save_perl (&temp);
		816	load_perl (coro);
		817
776	destroy_stacks (aTHX);	818	coro_destroy_stacks ();
777		819
778	LOAD ((&temp)); /* this will get rid of defsv etc.. */	820	load_perl (&temp); /* this will get rid of defsv etc.. */
779		821
780	coro->mainstack = 0;	822	coro->mainstack = 0;
781	}	823	}
782		824
783	stack_free (coro->stack);	825	cctx_destroy (coro->cctx);
784	SvREFCNT_dec (coro->args);	826	SvREFCNT_dec (coro->args);
785	Safefree (coro);	827	Safefree (coro);
786	}	828	}
787		829
788	static int	830	static int
789	coro_state_clear (SV sv, MAGIC mg)	831	coro_state_clear (pTHX_ SV sv, MAGIC mg)
790	{	832	{
791	struct coro coro = (struct coro )mg->mg_ptr;	833	struct coro coro = (struct coro )mg->mg_ptr;
792	mg->mg_ptr = 0;	834	mg->mg_ptr = 0;
793		835
794	coro_state_destroy (coro);	836	coro_state_destroy (coro);
795		837
796	return 0;	838	return 0;
797	}	839	}
798		840
799	static int	841	static int
800	coro_state_dup (MAGIC mg, CLONE_PARAMS params)	842	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)
801	{	843	{
802	struct coro coro = (struct coro )mg->mg_ptr;	844	struct coro coro = (struct coro )mg->mg_ptr;
803		845
804	++coro->refcnt;	846	++coro->refcnt;
805		847
806	return 0;	848	return 0;
807	}	849	}
808		850
809	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };	851	static MGVTBL coro_state_vtbl = {
		852	0, 0, 0, 0,
		853	coro_state_clear,
		854	0,
		855	#ifdef MGf_DUP
		856	coro_state_dup,
		857	#else
		858	# define MGf_DUP 0
		859	#endif
		860	};
810		861
811	static struct coro *	862	static struct coro *
812	SvSTATE (SV *coro)	863	SvSTATE (SV *coro)
813	{	864	{
814	HV *stash;	865	HV *stash;
…		…
829	assert (mg->mg_type == PERL_MAGIC_ext);	880	assert (mg->mg_type == PERL_MAGIC_ext);
830	return (struct coro *)mg->mg_ptr;	881	return (struct coro *)mg->mg_ptr;
831	}	882	}
832		883
833	static void	884	static void
834	prepare_transfer (pTHX_ struct transfer_args ta, SV prev, SV *next, int flags)	885	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)
835	{	886	{
836	ta->prev = SvSTATE (prev);	887	ta->prev = SvSTATE (prev_sv);
837	ta->next = SvSTATE (next);	888	ta->next = SvSTATE (next_sv);
838	ta->flags = flags;
839	}	889	}
840		890
841	static void	891	static void
842	api_transfer (SV prev, SV next, int flags)	892	api_transfer (SV prev_sv, SV next_sv)
843	{	893	{
844	dTHX;
845	struct transfer_args ta;	894	struct transfer_args ta;
846		895
847	prepare_transfer (aTHX_ &ta, prev, next, flags);	896	prepare_transfer (&ta, prev_sv, next_sv);
848	TRANSFER (ta);	897	TRANSFER (ta);
		898	}
		899
		900	static int
		901	api_save (SV *coro_sv, int new_save)
		902	{
		903	struct coro *coro = SvSTATE (coro_sv);
		904	int old_save = coro->save;
		905
		906	if (new_save >= 0)
		907	coro->save = new_save;
		908
		909	return old_save;
849	}	910	}
850		911
851	/ Coro ******************************************************************/	912	/ Coro ******************************************************************/
852		913
853	#define PRIO_MAX 3	914	#define PRIO_MAX 3
…		…
856	#define PRIO_LOW -1	917	#define PRIO_LOW -1
857	#define PRIO_IDLE -3	918	#define PRIO_IDLE -3
858	#define PRIO_MIN -4	919	#define PRIO_MIN -4
859		920
860	/* for Coro.pm */	921	/* for Coro.pm */
861	static GV coro_current, coro_idle;	922	static SV *coro_current;
862	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	923	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
863	static int coro_nready;	924	static int coro_nready;
864		925
865	static void	926	static void
866	coro_enq (pTHX_ SV *sv)	927	coro_enq (SV *coro_sv)
867	{	928	{
868	int prio;
869
870	if (SvTYPE (sv) != SVt_PVHV)
871	croak ("Coro::ready tried to enqueue something that is not a coroutine");
872
873	prio = SvSTATE (sv)->prio;
874
875	av_push (coro_ready [prio - PRIO_MIN], sv);	929	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
876	coro_nready++;	930	coro_nready++;
877	}	931	}
878		932
879	static SV *	933	static SV *
880	coro_deq (pTHX_ int min_prio)	934	coro_deq (int min_prio)
881	{	935	{
882	int prio = PRIO_MAX - PRIO_MIN;	936	int prio = PRIO_MAX - PRIO_MIN;
883		937
884	min_prio -= PRIO_MIN;	938	min_prio -= PRIO_MIN;
885	if (min_prio < 0)	939	if (min_prio < 0)
…		…
893	}	947	}
894		948
895	return 0;	949	return 0;
896	}	950	}
897		951
898	static void	952	static int
899	api_ready (SV *coro)	953	api_ready (SV *coro_sv)
900	{	954	{
901	dTHX;	955	struct coro *coro;
902		956
903	if (SvROK (coro))	957	if (SvROK (coro_sv))
904	coro = SvRV (coro);	958	coro_sv = SvRV (coro_sv);
		959
		960	coro = SvSTATE (coro_sv);
		961
		962	if (coro->flags & CF_READY)
		963	return 0;
		964
		965	coro->flags \|= CF_READY;
905		966
906	LOCK;	967	LOCK;
907	coro_enq (aTHX_ SvREFCNT_inc (coro));	968	coro_enq (SvREFCNT_inc (coro_sv));
908	UNLOCK;	969	UNLOCK;
909	}
910		970
		971	return 1;
		972	}
		973
911	static void	974	static int
		975	api_is_ready (SV *coro_sv)
		976	{
		977	return !!(SvSTATE (coro_sv)->flags & CF_READY);
		978	}
		979
		980	static void
912	prepare_schedule (aTHX_ struct transfer_args *ta)	981	prepare_schedule (struct transfer_args *ta)
913	{	982	{
914	SV current, prev, *next;	983	SV prev, next;
915
916	LOCK;
917
918	current = GvSV (coro_current);
919		984
920	for (;;)	985	for (;;)
921	{	986	{
922	LOCK;	987	LOCK;
923
924	next = coro_deq (aTHX_ PRIO_MIN);	988	next = coro_deq (PRIO_MIN);
		989	UNLOCK;
925		990
926	if (next)	991	if (next)
927	break;	992	break;
928		993
929	UNLOCK;
930
931	{	994	{
932	dSP;	995	dSP;
933		996
934	ENTER;	997	ENTER;
935	SAVETMPS;	998	SAVETMPS;
936		999
937	PUSHMARK (SP);	1000	PUSHMARK (SP);
938	PUTBACK;	1001	PUTBACK;
939	call_sv (GvSV (coro_idle), G_DISCARD);	1002	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
940		1003
941	FREETMPS;	1004	FREETMPS;
942	LEAVE;	1005	LEAVE;
943	}	1006	}
944	}	1007	}
945		1008
946	prev = SvRV (current);	1009	prev = SvRV (coro_current);
947	SvRV (current) = next;	1010	SvRV_set (coro_current, next);
948		1011
949	/* free this only after the transfer */	1012	/* free this only after the transfer */
		1013	LOCK;
950	free_coro_mortal ();	1014	free_coro_mortal ();
		1015	UNLOCK;
951	coro_mortal = prev;	1016	coro_mortal = prev;
952		1017
		1018	assert (!SvROK(prev));//D
		1019	assert (!SvROK(next));//D
		1020
953	ta->prev = SvSTATE (prev);	1021	ta->prev = SvSTATE (prev);
954	ta->next = SvSTATE (next);	1022	ta->next = SvSTATE (next);
955	ta->flags = TRANSFER_SAVE_ALL;
956		1023
957	UNLOCK;	1024	assert (ta->next->flags & CF_READY);
		1025	ta->next->flags &= ~CF_READY;
958	}	1026	}
959		1027
960	static void	1028	static void
961	prepare_cede (aTHX_ struct transfer_args *ta)	1029	prepare_cede (struct transfer_args *ta)
962	{	1030	{
963	LOCK;	1031	api_ready (coro_current);
964	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
965	UNLOCK;
966
967	prepare_schedule (ta);	1032	prepare_schedule (ta);
968	}	1033	}
969		1034
		1035	static int
		1036	prepare_cede_notself (struct transfer_args *ta)
		1037	{
		1038	if (coro_nready)
		1039	{
		1040	SV *prev = SvRV (coro_current);
		1041	prepare_schedule (ta);
		1042	api_ready (prev);
		1043	return 1;
		1044	}
		1045	else
		1046	return 0;
		1047	}
		1048
970	static void	1049	static void
971	api_schedule (void)	1050	api_schedule (void)
972	{	1051	{
973	dTHX;
974	struct transfer_args ta;	1052	struct transfer_args ta;
975		1053
976	prepare_schedule (&ta);	1054	prepare_schedule (&ta);
977	TRANSFER (ta);	1055	TRANSFER (ta);
978	}	1056	}
979		1057
980	static void	1058	static int
981	api_cede (void)	1059	api_cede (void)
982	{	1060	{
983	dTHX;
984	struct transfer_args ta;	1061	struct transfer_args ta;
985		1062
986	prepare_cede (&ta);	1063	prepare_cede (&ta);
		1064
		1065	if (ta.prev != ta.next)
		1066	{
987	TRANSFER (ta);	1067	TRANSFER (ta);
		1068	return 1;
		1069	}
		1070	else
		1071	return 0;
		1072	}
		1073
		1074	static int
		1075	api_cede_notself (void)
		1076	{
		1077	struct transfer_args ta;
		1078
		1079	if (prepare_cede_notself (&ta))
		1080	{
		1081	TRANSFER (ta);
		1082	return 1;
		1083	}
		1084	else
		1085	return 0;
988	}	1086	}
989		1087
990	MODULE = Coro::State PACKAGE = Coro::State	1088	MODULE = Coro::State PACKAGE = Coro::State
991		1089
992	PROTOTYPES: DISABLE	1090	PROTOTYPES: DISABLE
…		…
998	#endif	1096	#endif
999	BOOT_PAGESIZE;	1097	BOOT_PAGESIZE;
1000		1098
1001	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1099	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1002		1100
1003	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	1101	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1004	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	1102	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1005	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	1103	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
		1104	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1105	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1006		1106
1007	main_mainstack = PL_mainstack;	1107	main_mainstack = PL_mainstack;
1008		1108
1009	coroapi.ver = CORO_API_VERSION;	1109	coroapi.ver = CORO_API_VERSION;
1010	coroapi.transfer = api_transfer;	1110	coroapi.transfer = api_transfer;
…		…
1020	HV *hv;	1120	HV *hv;
1021	int i;	1121	int i;
1022		1122
1023	Newz (0, coro, 1, struct coro);	1123	Newz (0, coro, 1, struct coro);
1024	coro->args = newAV ();	1124	coro->args = newAV ();
		1125	coro->save = CORO_SAVE_ALL;
		1126	coro->flags = CF_NEW;
1025		1127
1026	hv = newHV ();	1128	hv = newHV ();
1027	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1129	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1028	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1130	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1029		1131
1030	for (i = 1; i < items; i++)	1132	for (i = 1; i < items; i++)
1031	av_push (coro->args, newSVsv (ST (i)));	1133	av_push (coro->args, newSVsv (ST (i)));
1032
1033	/coro->mainstack = 0; //actual work is done inside transfer /
1034	/coro->stack = 0;/
1035	}	1134	}
1036	OUTPUT:	1135	OUTPUT:
		1136	RETVAL
		1137
		1138	int
		1139	save (SV *coro, int new_save = -1)
		1140	CODE:
		1141	RETVAL = api_save (coro, new_save);
		1142	OUTPUT:
1037	RETVAL	1143	RETVAL
1038		1144
1039	void	1145	void
1040	_set_stacklevel (...)	1146	_set_stacklevel (...)
1041	ALIAS:	1147	ALIAS:
1042	Coro::State::transfer = 1	1148	Coro::State::transfer = 1
1043	Coro::schedule = 2	1149	Coro::schedule = 2
1044	Coro::cede = 3	1150	Coro::cede = 3
1045	Coro::Cont::yield = 4	1151	Coro::cede_notself = 4
1046	CODE:	1152	CODE:
1047	{	1153	{
1048	struct transfer_args ta;	1154	struct transfer_args ta;
1049		1155
1050	switch (ix)	1156	switch (ix)
1051	{	1157	{
1052	case 0:	1158	case 0:
1053	ta.prev = (struct coro )INT2PTR (coro_stack , SvIV (ST (0)));	1159	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1054	ta.next = 0;	1160	ta.next = 0;
1055	ta.flags = TRANSFER_SET_STACKLEVEL;
1056	break;	1161	break;
1057		1162
1058	case 1:	1163	case 1:
1059	if (items != 3)	1164	if (items != 2)
1060	croak ("Coro::State::transfer(prev,next,flags) expects three arguments, not %d", items);	1165	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1061		1166
1062	prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2)));	1167	prepare_transfer (&ta, ST (0), ST (1));
1063	break;	1168	break;
1064		1169
1065	case 2:	1170	case 2:
1066	prepare_schedule (&ta);	1171	prepare_schedule (&ta);
1067	break;	1172	break;
…		…
1069	case 3:	1174	case 3:
1070	prepare_cede (&ta);	1175	prepare_cede (&ta);
1071	break;	1176	break;
1072		1177
1073	case 4:	1178	case 4:
1074	{	1179	if (!prepare_cede_notself (&ta))
1075	SV *yieldstack;	1180	XSRETURN_EMPTY;
1076	SV *sv;
1077	AV *defav = GvAV (PL_defgv);
1078		1181
1079	yieldstack = *hv_fetch (
1080	(HV *)SvRV (GvSV (coro_current)),
1081	"yieldstack", sizeof ("yieldstack") - 1,
1082	0
1083	);
1084
1085	/* set up @_ -- ugly */
1086	av_clear (defav);
1087	av_fill (defav, items - 1);
1088	while (items--)
1089	av_store (defav, items, SvREFCNT_inc (ST(items)));
1090
1091	sv = av_pop ((AV *)SvRV (yieldstack));
1092	ta.prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
1093	ta.next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
1094	ta.flags = 0;
1095	SvREFCNT_dec (sv);
1096	}
1097	break;	1182	break;
1098
1099	}	1183	}
1100		1184
		1185	BARRIER;
1101	TRANSFER (ta);	1186	TRANSFER (ta);
1102	}	1187	}
1103		1188
1104	void	1189	void
1105	_clone_state_from (SV dst, SV src)	1190	_clone_state_from (SV dst, SV src)
…		…
1110	sv_unmagic (SvRV (dst), PERL_MAGIC_ext);	1195	sv_unmagic (SvRV (dst), PERL_MAGIC_ext);
1111		1196
1112	++coro_src->refcnt;	1197	++coro_src->refcnt;
1113	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;	1198	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;
1114	}	1199	}
1115
1116	void
1117	_nonlocal_goto (IV nextop)
1118	CODE:
1119	/* uuh, somebody will kill me again for this */
1120	PL_op->op_next = INT2PTR (OP *, nextop);
1121		1200
1122	void	1201	void
1123	_exit (code)	1202	_exit (code)
1124	int code	1203	int code
1125	PROTOTYPE: $	1204	PROTOTYPE: $
1126	CODE:	1205	CODE:
1127	_exit (code);	1206	_exit (code);
1128		1207
		1208	int
		1209	cctx_count ()
		1210	CODE:
		1211	RETVAL = cctx_count;
		1212	OUTPUT:
		1213	RETVAL
		1214
		1215	int
		1216	cctx_idle ()
		1217	CODE:
		1218	RETVAL = cctx_idle;
		1219	OUTPUT:
		1220	RETVAL
		1221
1129	MODULE = Coro::State PACKAGE = Coro	1222	MODULE = Coro::State PACKAGE = Coro
1130		1223
1131	BOOT:	1224	BOOT:
1132	{	1225	{
1133	int i;	1226	int i;
…		…
1139	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1232	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1140	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1233	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1141	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1234	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1142	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1235	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1143		1236
1144	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);	1237	coro_current = get_sv ("Coro::current", FALSE);
1145	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);	1238	SvREADONLY_on (coro_current);
1146		1239
1147	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1240	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1148	coro_ready[i] = newAV ();	1241	coro_ready[i] = newAV ();
1149		1242
1150	{	1243	{
1151	SV *sv = perl_get_sv("Coro::API", 1);	1244	SV *sv = perl_get_sv("Coro::API", 1);
1152		1245
1153	coroapi.schedule = api_schedule;	1246	coroapi.schedule = api_schedule;
		1247	coroapi.save = api_save;
1154	coroapi.cede = api_cede;	1248	coroapi.cede = api_cede;
		1249	coroapi.cede_notself = api_cede_notself;
1155	coroapi.ready = api_ready;	1250	coroapi.ready = api_ready;
		1251	coroapi.is_ready = api_is_ready;
1156	coroapi.nready = &coro_nready;	1252	coroapi.nready = &coro_nready;
1157	coroapi.current = coro_current;	1253	coroapi.current = coro_current;
1158		1254
1159	GCoroAPI = &coroapi;	1255	GCoroAPI = &coroapi;
1160	sv_setiv (sv, (IV)&coroapi);	1256	sv_setiv (sv, (IV)&coroapi);
1161	SvREADONLY_on (sv);	1257	SvREADONLY_on (sv);
1162	}	1258	}
1163	}	1259	}
		1260
		1261	void
		1262	_set_current (SV *current)
		1263	PROTOTYPE: $
		1264	CODE:
		1265	SvREFCNT_dec (SvRV (coro_current));
		1266	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1164		1267
1165	int	1268	int
1166	prio (Coro::State coro, int newprio = 0)	1269	prio (Coro::State coro, int newprio = 0)
1167	ALIAS:	1270	ALIAS:
1168	nice = 1	1271	nice = 1
…		…
1171	RETVAL = coro->prio;	1274	RETVAL = coro->prio;
1172		1275
1173	if (items > 1)	1276	if (items > 1)
1174	{	1277	{
1175	if (ix)	1278	if (ix)
1176	newprio += coro->prio;	1279	newprio = coro->prio - newprio;
1177		1280
1178	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	1281	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1179	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	1282	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1180		1283
1181	coro->prio = newprio;	1284	coro->prio = newprio;
1182	}	1285	}
1183	}	1286	}
		1287	OUTPUT:
		1288	RETVAL
1184		1289
1185	void	1290	SV *
1186	ready (SV *self)	1291	ready (SV *self)
1187	PROTOTYPE: $	1292	PROTOTYPE: $
1188	CODE:	1293	CODE:
1189	api_ready (self);	1294	RETVAL = boolSV (api_ready (self));
		1295	OUTPUT:
		1296	RETVAL
		1297
		1298	SV *
		1299	is_ready (SV *self)
		1300	PROTOTYPE: $
		1301	CODE:
		1302	RETVAL = boolSV (api_is_ready (self));
		1303	OUTPUT:
		1304	RETVAL
1190		1305
1191	int	1306	int
1192	nready (...)	1307	nready (...)
1193	PROTOTYPE:	1308	PROTOTYPE:
1194	CODE:	1309	CODE:
…		…
1200		1315
1201	SV *	1316	SV *
1202	_get_state ()	1317	_get_state ()
1203	CODE:	1318	CODE:
1204	{	1319	{
1205	struct {	1320	struct io_state *data;
1206	int errorno;
1207	int laststype;
1208	int laststatval;
1209	Stat_t statcache;
1210	} data;
1211		1321
		1322	RETVAL = newSV (sizeof (struct io_state));
		1323	data = (struct io_state *)SvPVX (RETVAL);
		1324	SvCUR_set (RETVAL, sizeof (struct io_state));
		1325	SvPOK_only (RETVAL);
		1326
1212	data.errorno = errno;	1327	data->errorno = errno;
1213	data.laststype = PL_laststype;	1328	data->laststype = PL_laststype;
1214	data.laststatval = PL_laststatval;	1329	data->laststatval = PL_laststatval;
1215	data.statcache = PL_statcache;	1330	data->statcache = PL_statcache;
1216
1217	RETVAL = newSVpvn ((char *)&data, sizeof data);
1218	}	1331	}
1219	OUTPUT:	1332	OUTPUT:
1220	RETVAL	1333	RETVAL
1221		1334
1222	void	1335	void
1223	_set_state (char *data_)	1336	_set_state (char *data_)
1224	PROTOTYPE: $	1337	PROTOTYPE: $
1225	CODE:	1338	CODE:
1226	{	1339	{
1227	struct {	1340	struct io_state data = (void )data_;
1228	int errorno;
1229	int laststype;
1230	int laststatval;
1231	Stat_t statcache;
1232	} data = (void )data_;
1233		1341
1234	errno = data->errorno;	1342	errno = data->errorno;
1235	PL_laststype = data->laststype;	1343	PL_laststype = data->laststype;
1236	PL_laststatval = data->laststatval;	1344	PL_laststatval = data->laststatval;
1237	PL_statcache = data->statcache;	1345	PL_statcache = data->statcache;
1238	}	1346	}
		1347

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Comparing Coro/Coro/State.xs (file contents): Revision 1.96 by root, Sun Nov 26 18:25:11 2006 UTC vs. Revision 1.132 by root, Fri Dec 29 13:03:05 2006 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.96 by root, Sun Nov 26 18:25:11 2006 UTC vs.
Revision 1.132 by root, Fri Dec 29 13:03:05 2006 UTC