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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.53 by pcg, Sat Feb 14 12:39:41 2004 UTC vs.
Revision 1.83 by root, Mon Nov 20 22:32:44 2006 UTC

…		…
		1	#define PERL_NO_GET_CONTEXT
		2
		3	#include "libcoro/coro.c"
		4
1	#include "EXTERN.h"	5	#include "EXTERN.h"
2	#include "perl.h"	6	#include "perl.h"
3	#include "XSUB.h"	7	#include "XSUB.h"
4		8
5	#include "patchlevel.h"	9	#include "patchlevel.h"
6		10
7	#if PATCHLEVEL < 6	11	#if PERL_VERSION < 6
8	# ifndef PL_ppaddr	12	# ifndef PL_ppaddr
9	# define PL_ppaddr ppaddr	13	# define PL_ppaddr ppaddr
10	# endif	14	# endif
11	# ifndef call_sv	15	# ifndef call_sv
12	# define call_sv perl_call_sv	16	# define call_sv perl_call_sv
23	# ifndef IS_PADCONST	27	# ifndef IS_PADCONST
24	# define IS_PADCONST(v) 0	28	# define IS_PADCONST(v) 0
25	# endif	29	# endif
26	#endif	30	#endif
27		31
28	#include "libcoro/coro.c"
29
30	#include <signal.h>	32	#include <errno.h>
		33
		34	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
		35	# undef STACKGUARD
		36	#endif
		37
		38	#ifndef STACKGUARD
		39	# define STACKGUARD 0
		40	#endif
31		41
32	#ifdef HAVE_MMAP	42	#ifdef HAVE_MMAP
33	# include <unistd.h>	43	# include <unistd.h>
34	# include <sys/mman.h>	44	# include <sys/mman.h>
35	# ifndef MAP_ANONYMOUS	45	# ifndef MAP_ANONYMOUS
…		…
37	# define MAP_ANONYMOUS MAP_ANON	47	# define MAP_ANONYMOUS MAP_ANON
38	# else	48	# else
39	# undef HAVE_MMAP	49	# undef HAVE_MMAP
40	# endif	50	# endif
41	# endif	51	# endif
		52	# include <limits.h>
		53	# ifndef PAGESIZE
		54	# define PAGESIZE pagesize
		55	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
		56	static long pagesize;
		57	# else
		58	# define BOOT_PAGESIZE
		59	# endif
42	#endif	60	#endif
43		61
44	#define SUB_INIT "Coro::State::initialize"	62	#define SUB_INIT "Coro::State::initialize"
45	#define UCORO_STATE "_coro_state"	63	#define UCORO_STATE "_coro_state"
46		64
…		…
53		71
54	#define labs(l) ((l) >= 0 ? (l) : -(l))	72	#define labs(l) ((l) >= 0 ? (l) : -(l))
55		73
56	#include "CoroAPI.h"	74	#include "CoroAPI.h"
57		75
		76	#ifdef USE_ITHREADS
		77	static perl_mutex coro_mutex;
		78	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
		79	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
		80	#else
		81	# define LOCK (void)0
		82	# define UNLOCK (void)0
		83	#endif
		84
58	static struct CoroAPI coroapi;	85	static struct CoroAPI coroapi;
		86	static AV main_mainstack; / used to differentiate between $main and others */
		87	static HV *coro_state_stash;
		88	static SV *ucoro_state_sv;
		89	static U32 ucoro_state_hash;
		90	static SV coro_mortal; / will be freed after next transfer */
59		91
60	/* this is actually not only the c stack but also c registers etc... */	92	/* this is actually not only the c stack but also c registers etc... */
61	typedef struct {	93	typedef struct {
62	int refcnt; /* pointer reference counter */	94	int refcnt; /* pointer reference counter */
63	int usecnt; /* shared by how many coroutines */	95	int usecnt; /* shared by how many coroutines */
…		…
68	void *sptr;	100	void *sptr;
69	long ssize; /* positive == mmap, otherwise malloc */	101	long ssize; /* positive == mmap, otherwise malloc */
70	} coro_stack;	102	} coro_stack;
71		103
72	struct coro {	104	struct coro {
73	/* the top-level JMPENV for each coroutine, needed to catch dies. */
74	JMPENV start_env;
75
76	/* the optional C context */	105	/* the optional C context */
77	coro_stack *stack;	106	coro_stack *stack;
78	void *cursp;	107	void *cursp;
79	int gencnt;	108	int gencnt;
80		109
…		…
93	AV *mainstack;	122	AV *mainstack;
94	SV **stack_sp;	123	SV **stack_sp;
95	OP *op;	124	OP *op;
96	SV **curpad;	125	SV **curpad;
97	AV *comppad;	126	AV *comppad;
		127	CV *compcv;
98	SV **stack_base;	128	SV **stack_base;
99	SV **stack_max;	129	SV **stack_max;
100	SV **tmps_stack;	130	SV **tmps_stack;
101	I32 tmps_floor;	131	I32 tmps_floor;
102	I32 tmps_ix;	132	I32 tmps_ix;
…		…
111	I32 savestack_ix;	141	I32 savestack_ix;
112	I32 savestack_max;	142	I32 savestack_max;
113	OP **retstack;	143	OP **retstack;
114	I32 retstack_ix;	144	I32 retstack_ix;
115	I32 retstack_max;	145	I32 retstack_max;
		146	PMOP *curpm;
116	COP *curcop;	147	COP *curcop;
117	JMPENV *top_env;	148	JMPENV *top_env;
118		149
119	/* data associated with this coroutine (initial args) */	150	/* data associated with this coroutine (initial args) */
120	AV *args;	151	AV *args;
121	};	152	};
122		153
123	typedef struct coro *Coro__State;	154	typedef struct coro *Coro__State;
124	typedef struct coro *Coro__State_or_hashref;	155	typedef struct coro *Coro__State_or_hashref;
125		156
126	static AV main_mainstack; / used to differentiate between $main and others */	157	static AV *
127	static HV *coro_state_stash;	158	coro_clone_padlist (pTHX_ CV *cv)
128	static SV *ucoro_state_sv;
129	static U32 ucoro_state_hash;
130	static HV *padlist_cache;
131	static SV coro_mortal; / will be freed after next transfer */
132
133	/* mostly copied from op.c:cv_clone2 */
134	STATIC AV *
135	clone_padlist (AV *protopadlist)
136	{	159	{
137	AV *av;	160	AV *padlist = CvPADLIST (cv);
138	I32 ix;
139	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
140	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
141	SV **pname = AvARRAY (protopad_name);
142	SV **ppad = AvARRAY (protopad);
143	I32 fname = AvFILLp (protopad_name);
144	I32 fpad = AvFILLp (protopad);
145	AV newpadlist, newpad_name, *newpad;	161	AV newpadlist, newpad;
146	SV **npad;
147
148	newpad_name = newAV ();
149	for (ix = fname; ix >= 0; ix--)
150	av_store (newpad_name, ix, SvREFCNT_inc (pname[ix]));
151
152	newpad = newAV ();
153	av_fill (newpad, AvFILLp (protopad));
154	npad = AvARRAY (newpad);
155		162
156	newpadlist = newAV ();	163	newpadlist = newAV ();
157	AvREAL_off (newpadlist);	164	AvREAL_off (newpadlist);
158	av_store (newpadlist, 0, (SV *) newpad_name);	165	#if PERL_VERSION < 9
		166	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		167	#else
		168	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		169	#endif
		170	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		171	--AvFILLp (padlist);
		172
		173	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
159	av_store (newpadlist, 1, (SV *) newpad);	174	av_store (newpadlist, 1, (SV *)newpad);
160
161	av = newAV (); /* will be @_ */
162	av_extend (av, 0);
163	av_store (newpad, 0, (SV *) av);
164	AvFLAGS (av) = AVf_REIFY;
165
166	for (ix = fpad; ix > 0; ix--)
167	{
168	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
169	if (namesv && namesv != &PL_sv_undef)
170	{
171	char name = SvPVX (namesv); / XXX */
172	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
173	{ /* lexical from outside? */
174	npad[ix] = SvREFCNT_inc (ppad[ix]);
175	}
176	else
177	{ /* our own lexical */
178	SV *sv;
179	if (*name == '&')
180	sv = SvREFCNT_inc (ppad[ix]);
181	else if (*name == '@')
182	sv = (SV *) newAV ();
183	else if (*name == '%')
184	sv = (SV *) newHV ();
185	else
186	sv = NEWSV (0, 0);
187	#ifdef SvPADBUSY
188	if (!SvPADBUSY (sv))
189	#endif
190	SvPADMY_on (sv);
191	npad[ix] = sv;
192	}
193	}
194	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
195	{
196	npad[ix] = SvREFCNT_inc (ppad[ix]);
197	}
198	else
199	{
200	SV *sv = NEWSV (0, 0);
201	SvPADTMP_on (sv);
202	npad[ix] = sv;
203	}
204	}
205
206	#if 0 /* return -ENOTUNDERSTOOD */
207	/* Now that vars are all in place, clone nested closures. */
208
209	for (ix = fpad; ix > 0; ix--) {
210	SV* namesv = (ix <= fname) ? pname[ix] : Nullsv;
211	if (namesv
212	&& namesv != &PL_sv_undef
213	&& !(SvFLAGS(namesv) & SVf_FAKE)
214	&& *SvPVX(namesv) == '&'
215	&& CvCLONE(ppad[ix]))
216	{
217	CV kid = cv_clone((CV)ppad[ix]);
218	SvREFCNT_dec(ppad[ix]);
219	CvCLONE_on(kid);
220	SvPADMY_on(kid);
221	npad[ix] = (SV*)kid;
222	}
223	}
224	#endif
225		175
226	return newpadlist;	176	return newpadlist;
227	}	177	}
228		178
229	STATIC void	179	static void
230	free_padlist (AV *padlist)	180	free_padlist (pTHX_ AV *padlist)
231	{	181	{
232	/* may be during global destruction */	182	/* may be during global destruction */
233	if (SvREFCNT (padlist))	183	if (SvREFCNT (padlist))
234	{	184	{
235	I32 i = AvFILLp (padlist);	185	I32 i = AvFILLp (padlist);
…		…
248		198
249	SvREFCNT_dec ((SV*)padlist);	199	SvREFCNT_dec ((SV*)padlist);
250	}	200	}
251	}	201	}
252		202
253	STATIC int	203	static int
254	coro_cv_free (SV sv, MAGIC mg)	204	coro_cv_free (pTHX_ SV sv, MAGIC mg)
255	{	205	{
256	AV *padlist;	206	AV *padlist;
257	AV av = (AV )mg->mg_obj;	207	AV av = (AV )mg->mg_obj;
258		208
259	/* casting is fun. */	209	/* casting is fun. */
260	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	210	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
261	free_padlist (padlist);	211	free_padlist (aTHX_ padlist);
		212
		213	SvREFCNT_dec (av);
		214
		215	return 0;
262	}	216	}
263		217
264	#define PERL_MAGIC_coro PERL_MAGIC_ext	218	#define PERL_MAGIC_coro PERL_MAGIC_ext
265		219
266	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	220	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
267		221
268	/* the next two functions merely cache the padlists */	222	/* the next two functions merely cache the padlists */
269	STATIC void	223	static void
270	get_padlist (CV *cv)	224	get_padlist (pTHX_ CV *cv)
271	{	225	{
272	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	226	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
273		227
274	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	228	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
275	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	229	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
276	else	230	else
		231	{
		232	#if 0
		233	/* this should work - but it doesn't :( */
		234	CV *cp = Perl_cv_clone (aTHX_ cv);
		235	CvPADLIST (cv) = CvPADLIST (cp);
		236	CvPADLIST (cp) = 0;
		237	SvREFCNT_dec (cp);
		238	#else
277	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	239	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		240	#endif
		241	}
278	}	242	}
279		243
280	STATIC void	244	static void
281	put_padlist (CV *cv)	245	put_padlist (pTHX_ CV *cv)
282	{	246	{
283	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	247	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
284		248
285	if (!mg)	249	if (!mg)
286	{	250	{
…		…
312	PL_mainstack = c->mainstack;	276	PL_mainstack = c->mainstack;
313	PL_stack_sp = c->stack_sp;	277	PL_stack_sp = c->stack_sp;
314	PL_op = c->op;	278	PL_op = c->op;
315	PL_curpad = c->curpad;	279	PL_curpad = c->curpad;
316	PL_comppad = c->comppad;	280	PL_comppad = c->comppad;
		281	PL_compcv = c->compcv;
317	PL_stack_base = c->stack_base;	282	PL_stack_base = c->stack_base;
318	PL_stack_max = c->stack_max;	283	PL_stack_max = c->stack_max;
319	PL_tmps_stack = c->tmps_stack;	284	PL_tmps_stack = c->tmps_stack;
320	PL_tmps_floor = c->tmps_floor;	285	PL_tmps_floor = c->tmps_floor;
321	PL_tmps_ix = c->tmps_ix;	286	PL_tmps_ix = c->tmps_ix;
…		…
327	PL_scopestack_ix = c->scopestack_ix;	292	PL_scopestack_ix = c->scopestack_ix;
328	PL_scopestack_max = c->scopestack_max;	293	PL_scopestack_max = c->scopestack_max;
329	PL_savestack = c->savestack;	294	PL_savestack = c->savestack;
330	PL_savestack_ix = c->savestack_ix;	295	PL_savestack_ix = c->savestack_ix;
331	PL_savestack_max = c->savestack_max;	296	PL_savestack_max = c->savestack_max;
		297	#if PERL_VERSION < 9
332	PL_retstack = c->retstack;	298	PL_retstack = c->retstack;
333	PL_retstack_ix = c->retstack_ix;	299	PL_retstack_ix = c->retstack_ix;
334	PL_retstack_max = c->retstack_max;	300	PL_retstack_max = c->retstack_max;
		301	#endif
		302	PL_curpm = c->curpm;
335	PL_curcop = c->curcop;	303	PL_curcop = c->curcop;
336	PL_top_env = c->top_env;	304	PL_top_env = c->top_env;
337		305
338	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	306	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
339	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	307	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
348	{	316	{
349	AV padlist = (AV )POPs;	317	AV padlist = (AV )POPs;
350		318
351	if (padlist)	319	if (padlist)
352	{	320	{
353	put_padlist (cv); /* mark this padlist as available */	321	put_padlist (aTHX_ cv); /* mark this padlist as available */
354	CvPADLIST(cv) = padlist;	322	CvPADLIST(cv) = padlist;
355	#ifdef USE_THREADS
356	/CvOWNER(cv) = (struct perl_thread )POPs;*/
357	#endif
358	}	323	}
359		324
360	++CvDEPTH(cv);	325	++CvDEPTH(cv);
361	}	326	}
362		327
…		…
389	if (CxTYPE(cx) == CXt_SUB)	354	if (CxTYPE(cx) == CXt_SUB)
390	{	355	{
391	CV *cv = cx->blk_sub.cv;	356	CV *cv = cx->blk_sub.cv;
392	if (CvDEPTH(cv))	357	if (CvDEPTH(cv))
393	{	358	{
394	#ifdef USE_THREADS
395	/XPUSHs ((SV )CvOWNER(cv));*/
396	/CvOWNER(cv) = 0;/
397	/error must unlock this cv etc.. etc.../
398	#endif
399	EXTEND (SP, CvDEPTH(cv)*2);	359	EXTEND (SP, CvDEPTH(cv)*2);
400		360
401	while (--CvDEPTH(cv))	361	while (--CvDEPTH(cv))
402	{	362	{
403	/* this tells the restore code to increment CvDEPTH */	363	/* this tells the restore code to increment CvDEPTH */
…		…
406	}	366	}
407		367
408	PUSHs ((SV *)CvPADLIST(cv));	368	PUSHs ((SV *)CvPADLIST(cv));
409	PUSHs ((SV *)cv);	369	PUSHs ((SV *)cv);
410		370
411	get_padlist (cv); /* this is a monster */	371	get_padlist (aTHX_ cv);
412	}	372	}
413	}	373	}
414	#ifdef CXt_FORMAT	374	#ifdef CXt_FORMAT
415	else if (CxTYPE(cx) == CXt_FORMAT)	375	else if (CxTYPE(cx) == CXt_FORMAT)
416	{	376	{
…		…
444	c->mainstack = PL_mainstack;	404	c->mainstack = PL_mainstack;
445	c->stack_sp = PL_stack_sp;	405	c->stack_sp = PL_stack_sp;
446	c->op = PL_op;	406	c->op = PL_op;
447	c->curpad = PL_curpad;	407	c->curpad = PL_curpad;
448	c->comppad = PL_comppad;	408	c->comppad = PL_comppad;
		409	c->compcv = PL_compcv;
449	c->stack_base = PL_stack_base;	410	c->stack_base = PL_stack_base;
450	c->stack_max = PL_stack_max;	411	c->stack_max = PL_stack_max;
451	c->tmps_stack = PL_tmps_stack;	412	c->tmps_stack = PL_tmps_stack;
452	c->tmps_floor = PL_tmps_floor;	413	c->tmps_floor = PL_tmps_floor;
453	c->tmps_ix = PL_tmps_ix;	414	c->tmps_ix = PL_tmps_ix;
…		…
459	c->scopestack_ix = PL_scopestack_ix;	420	c->scopestack_ix = PL_scopestack_ix;
460	c->scopestack_max = PL_scopestack_max;	421	c->scopestack_max = PL_scopestack_max;
461	c->savestack = PL_savestack;	422	c->savestack = PL_savestack;
462	c->savestack_ix = PL_savestack_ix;	423	c->savestack_ix = PL_savestack_ix;
463	c->savestack_max = PL_savestack_max;	424	c->savestack_max = PL_savestack_max;
		425	#if PERL_VERSION < 9
464	c->retstack = PL_retstack;	426	c->retstack = PL_retstack;
465	c->retstack_ix = PL_retstack_ix;	427	c->retstack_ix = PL_retstack_ix;
466	c->retstack_max = PL_retstack_max;	428	c->retstack_max = PL_retstack_max;
		429	#endif
		430	c->curpm = PL_curpm;
467	c->curcop = PL_curcop;	431	c->curcop = PL_curcop;
468	c->top_env = PL_top_env;	432	c->top_env = PL_top_env;
469	}	433	}
470		434
471	/*	435	/*
472	* allocate various perl stacks. This is an exact copy	436	* allocate various perl stacks. This is an exact copy
473	* of perl.c:init_stacks, except that it uses less memory	437	* of perl.c:init_stacks, except that it uses less memory
474	* on the (sometimes correct) assumption that coroutines do	438	* on the (sometimes correct) assumption that coroutines do
475	* not usually need a lot of stackspace.	439	* not usually need a lot of stackspace.
476	*/	440	*/
477	STATIC void	441	static void
478	coro_init_stacks (pTHX)	442	coro_init_stacks (pTHX)
479	{	443	{
		444	LOCK;
		445
480	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	446	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
481	PL_curstackinfo->si_type = PERLSI_MAIN;	447	PL_curstackinfo->si_type = PERLSI_MAIN;
482	PL_curstack = PL_curstackinfo->si_stack;	448	PL_curstack = PL_curstackinfo->si_stack;
483	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	449	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
484		450
…		…
505		471
506	New(54,PL_savestack,96,ANY);	472	New(54,PL_savestack,96,ANY);
507	PL_savestack_ix = 0;	473	PL_savestack_ix = 0;
508	PL_savestack_max = 96;	474	PL_savestack_max = 96;
509		475
		476	#if PERL_VERSION < 9
510	New(54,PL_retstack,8,OP*);	477	New(54,PL_retstack,8,OP*);
511	PL_retstack_ix = 0;	478	PL_retstack_ix = 0;
512	PL_retstack_max = 8;	479	PL_retstack_max = 8;
		480	#endif
		481
		482	UNLOCK;
513	}	483	}
514		484
515	/*	485	/*
516	* destroy the stacks, the callchain etc...	486	* destroy the stacks, the callchain etc...
517	*/	487	*/
518	STATIC void	488	static void
519	destroy_stacks(pTHX)	489	destroy_stacks(pTHX)
520	{	490	{
521	if (!IN_DESTRUCT)	491	if (!IN_DESTRUCT)
522	{	492	{
523	/* is this ugly, I ask? */	493	/* is this ugly, I ask? */
524	LEAVE_SCOPE (0);	494	LEAVE_SCOPE (0);
525		495
526	/* sure it is, but more important: is it correct?? :/ */	496	/* sure it is, but more important: is it correct?? :/ */
527	FREETMPS;	497	FREETMPS;
		498
		499	/POPSTACK_TO (PL_mainstack);//D//use/
528	}	500	}
529		501
530	while (PL_curstackinfo->si_next)	502	while (PL_curstackinfo->si_next)
531	PL_curstackinfo = PL_curstackinfo->si_next;	503	PL_curstackinfo = PL_curstackinfo->si_next;
532		504
533	while (PL_curstackinfo)	505	while (PL_curstackinfo)
534	{	506	{
535	PERL_SI *p = PL_curstackinfo->si_prev;	507	PERL_SI *p = PL_curstackinfo->si_prev;
536		508
537	{	509	{ /D//remove/
538	dSP;	510	dSP;
539	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	511	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
540	PUTBACK; /* possibly superfluous */	512	PUTBACK; /* possibly superfluous */
541	}	513	}
542		514
543	if (!IN_DESTRUCT)	515	if (!IN_DESTRUCT)
544	{	516	{
545	dounwind(-1);	517	dounwind (-1);/D//remove/
546	SvREFCNT_dec(PL_curstackinfo->si_stack);	518	SvREFCNT_dec (PL_curstackinfo->si_stack);
547	}	519	}
548		520
549	Safefree(PL_curstackinfo->si_cxstack);	521	Safefree (PL_curstackinfo->si_cxstack);
550	Safefree(PL_curstackinfo);	522	Safefree (PL_curstackinfo);
551	PL_curstackinfo = p;	523	PL_curstackinfo = p;
552	}	524	}
553		525
554	Safefree(PL_tmps_stack);	526	Safefree (PL_tmps_stack);
555	Safefree(PL_markstack);	527	Safefree (PL_markstack);
556	Safefree(PL_scopestack);	528	Safefree (PL_scopestack);
557	Safefree(PL_savestack);	529	Safefree (PL_savestack);
		530	#if PERL_VERSION < 9
558	Safefree(PL_retstack);	531	Safefree (PL_retstack);
		532	#endif
559	}	533	}
560		534
561	static void	535	static void
562	allocate_stack (Coro__State ctx, int alloc)	536	allocate_stack (Coro__State ctx, int alloc)
563	{	537	{
…		…
566	New (0, stack, 1, coro_stack);	540	New (0, stack, 1, coro_stack);
567		541
568	stack->refcnt = 1;	542	stack->refcnt = 1;
569	stack->usecnt = 1;	543	stack->usecnt = 1;
570	stack->gencnt = ctx->gencnt = 0;	544	stack->gencnt = ctx->gencnt = 0;
		545
571	if (alloc)	546	if (alloc)
572	{	547	{
573	#if HAVE_MMAP	548	#if HAVE_MMAP
574	stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */	549	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
575	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	550	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
576	if (stack->sptr == (void *)-1)	551	if (stack->sptr != (void *)-1)
577	#endif
578	{	552	{
579	/FIXME//D//* reasonable stack size! */	553	# if STACKGUARD
		554	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		555	# endif
		556	}
		557	else
		558	#endif
		559	{
580	stack->ssize = - (8192 * sizeof (long));	560	stack->ssize = - (STACKSIZE * (long)sizeof (long));
581	New (0, stack->sptr, 8192, long);	561	New (0, stack->sptr, STACKSIZE, long);
582	}	562	}
583	}	563	}
584	else	564	else
585	stack->sptr = 0;	565	stack->sptr = 0;
586		566
…		…
616	setup_coro (void *arg)	596	setup_coro (void *arg)
617	{	597	{
618	/*	598	/*
619	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
620	*/	600	*/
		601	dTHX;
621	dSP;	602	dSP;
622	Coro__State ctx = (Coro__State)arg;	603	Coro__State ctx = (Coro__State)arg;
623	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);	604	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
624		605
625	coro_init_stacks (aTHX);	606	coro_init_stacks (aTHX);
…		…
645	}	626	}
646	else	627	else
647	{	628	{
648	UNOP myop;	629	UNOP myop;
649		630
650	PL_op = (OP *)&myop;
651
652	Zero(&myop, 1, UNOP);	631	Zero(&myop, 1, UNOP);
653	myop.op_next = Nullop;	632	myop.op_next = Nullop;
654	myop.op_flags = OPf_WANT_VOID;	633	myop.op_flags = OPf_WANT_VOID;
		634
		635	PL_op = (OP *)&myop;
655		636
656	PUSHMARK(SP);	637	PUSHMARK(SP);
657	XPUSHs (sub_init);	638	XPUSHs (sub_init);
658	/*	639	/*
659	* the next line is slightly wrong, as PL_op->op_next	640	* the next line is slightly wrong, as PL_op->op_next
…		…
674	continue_coro (void *arg)	655	continue_coro (void *arg)
675	{	656	{
676	/*	657	/*
677	* this is a _very_ stripped down perl interpreter ;)	658	* this is a _very_ stripped down perl interpreter ;)
678	*/	659	*/
		660	dTHX;
679	Coro__State ctx = (Coro__State)arg;	661	Coro__State ctx = (Coro__State)arg;
680	JMPENV coro_start_env;
681		662
682	PL_top_env = &ctx->start_env;	663	PL_top_env = &PL_start_env;
683		664
684	ctx->cursp = 0;	665	ctx->cursp = 0;
685	PL_op = PL_op->op_next;	666	PL_op = PL_op->op_next;
686	CALLRUNOPS(aTHX);	667	CALLRUNOPS(aTHX);
687		668
688	abort ();	669	abort ();
689	}	670	}
690		671
691	STATIC void	672	static void
692	transfer(pTHX_ struct coro prev, struct coro next, int flags)	673	transfer (pTHX_ struct coro prev, struct coro next, int flags)
693	{	674	{
694	dSTACKLEVEL;	675	dSTACKLEVEL;
695	static struct coro *xnext;
696		676
697	if (prev != next)	677	if (prev != next)
698	{	678	{
699	xnext = next;	679	/* has this coro been created yet? */
700
701	if (next->mainstack)	680	if (next->mainstack)
702	{	681	{
		682	LOCK;
703	SAVE (prev, flags);	683	SAVE (prev, flags);
704	LOAD (next);	684	LOAD (next);
		685	UNLOCK;
705		686
706	/* mark this state as in-use */	687	/* mark this state as in-use */
707	next->mainstack = 0;	688	next->mainstack = 0;
708	next->tmps_ix = -2;	689	next->tmps_ix = -2;
709		690
…		…
728	continue_coro, (void *)next,	709	continue_coro, (void *)next,
729	next->stack->sptr, labs (next->stack->ssize));	710	next->stack->sptr, labs (next->stack->ssize));
730	}	711	}
731		712
732	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	713	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		714	prev->cursp = stacklevel;
733	/* don't add any code here */	715	/* don't add any code here */
734	}	716	}
735		717	else
		718	next->cursp = stacklevel;
736	}	719	}
737	else if (next->tmps_ix == -2)	720	else if (next->tmps_ix == -2)
738	croak ("tried to transfer to running coroutine");	721	croak ("tried to transfer to running coroutine");
739	else	722	else
740	{	723	{
		724	LOCK;
741	SAVE (prev, -1); /* first get rid of the old state */	725	SAVE (prev, -1); /* first get rid of the old state */
		726	UNLOCK;
742		727
		728	/* create the coroutine for the first time */
743	if (flags & TRANSFER_SAVE_CCTXT)	729	if (flags & TRANSFER_SAVE_CCTXT)
744	{	730	{
745	if (!prev->stack)	731	if (!prev->stack)
746	allocate_stack (prev, 0);	732	allocate_stack (prev, 0);
747		733
		734	/* the new coroutine starts with start_env again */
		735	PL_top_env = &PL_start_env;
		736
748	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	737	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
749	{	738	{
750	PL_top_env = &next->start_env;
751
752	setup_coro (next);	739	setup_coro (next);
		740	next->cursp = stacklevel;
753		741
754	prev->stack->refcnt++;	742	prev->stack->refcnt++;
755	prev->stack->usecnt++;	743	prev->stack->usecnt++;
756	next->stack = prev->stack;	744	next->stack = prev->stack;
757	next->gencnt = prev->gencnt;	745	next->gencnt = prev->gencnt;
…		…
762	allocate_stack (next, 1);	750	allocate_stack (next, 1);
763	coro_create (&(next->stack->cctx),	751	coro_create (&(next->stack->cctx),
764	setup_coro, (void *)next,	752	setup_coro, (void *)next,
765	next->stack->sptr, labs (next->stack->ssize));	753	next->stack->sptr, labs (next->stack->ssize));
766	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	754	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		755	prev->cursp = stacklevel;
767	/* don't add any code here */	756	/* don't add any code here */
768	}	757	}
769	}	758	}
770	else	759	else
		760	{
771	setup_coro (next);	761	setup_coro (next);
		762	next->cursp = stacklevel;
		763	}
772	}	764	}
773
774	/*
775	* xnext is now either prev or next, depending on wether
776	* we switched the c stack or not. that's why I use a global
777	* variable, that should become thread-specific at one point.
778	*/
779	xnext->cursp = stacklevel;
780	}	765	}
781		766
		767	LOCK;
782	if (coro_mortal)	768	if (coro_mortal)
783	{	769	{
784	SvREFCNT_dec (coro_mortal);	770	SvREFCNT_dec (coro_mortal);
785	coro_mortal = 0;	771	coro_mortal = 0;
786	}	772	}
		773	UNLOCK;
787	}	774	}
788		775
789	#define SV_CORO(sv,func) \	776	#define SV_CORO(sv,func) \
790	do { \	777	do { \
791	if (SvROK (sv)) \	778	if (SvROK (sv)) \
792	sv = SvRV (sv); \	779	sv = SvRV (sv); \
793	\	780	\
794	if (SvTYPE(sv) == SVt_PVHV) \	781	if (SvTYPE (sv) == SVt_PVHV) \
795	{ \	782	{ \
796	HE he = hv_fetch_ent((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \	783	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
797	\	784	\
798	if (!he) \	785	if (!he) \
799	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \	786	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
800	\	787	\
801	(sv) = SvRV (HeVAL(he)); \	788	(sv) = SvRV (HeVAL(he)); \
802	} \	789	} \
803	\	790	\
804	/* must also be changed inside Coro::Cont::yield */ \	791	/* must also be changed inside Coro::Cont::yield */ \
805	if (!SvOBJECT(sv) \|\| SvSTASH(sv) != coro_state_stash) \	792	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
806	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \	793	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
807	\	794	\
808	} while(0)	795	} while(0)
809		796
810	#define SvSTATE(sv) (struct coro *)SvIV (sv)	797	#define SvSTATE(sv) INT2PTR (struct coro *, SvIVX (sv))
811		798
812	static void	799	static void
813	api_transfer(pTHX_ SV prev, SV next, int flags)	800	api_transfer(pTHX_ SV prev, SV next, int flags)
814	{	801	{
815	SV_CORO (prev, "Coro::transfer");	802	SV_CORO (prev, "Coro::transfer");
816	SV_CORO (next, "Coro::transfer");	803	SV_CORO (next, "Coro::transfer");
817		804
818	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	805	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
819	}	806	}
820		807
821	/ Coro ******************************************************************/	808	/ Coro ******************************************************************/
822		809
823	#define PRIO_MAX 3	810	#define PRIO_MAX 3
…		…
827	#define PRIO_IDLE -3	814	#define PRIO_IDLE -3
828	#define PRIO_MIN -4	815	#define PRIO_MIN -4
829		816
830	/* for Coro.pm */	817	/* for Coro.pm */
831	static GV coro_current, coro_idle;	818	static GV coro_current, coro_idle;
832	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	819	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
833	static int coro_nready;	820	static int coro_nready;
834		821
835	static void	822	static void
836	coro_enq (SV *sv)	823	coro_enq (pTHX_ SV *sv)
837	{	824	{
		825	SV **xprio;
		826	int prio;
		827
838	if (SvTYPE (sv) == SVt_PVHV)	828	if (SvTYPE (sv) != SVt_PVHV)
839	{
840	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
841	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
842
843	prio = prio > PRIO_MAX ? PRIO_MAX
844	: prio < PRIO_MIN ? PRIO_MIN
845	: prio;
846
847	av_push (coro_ready [prio - PRIO_MIN], sv);
848	coro_nready++;
849
850	return;
851	}
852
853	croak ("Coro::ready tried to enqueue something that is not a coroutine");	829	croak ("Coro::ready tried to enqueue something that is not a coroutine");
		830
		831	xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
		832	prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
		833
		834	prio = prio > PRIO_MAX ? PRIO_MAX
		835	: prio < PRIO_MIN ? PRIO_MIN
		836	: prio;
		837
		838	av_push (coro_ready [prio - PRIO_MIN], sv);
		839	coro_nready++;
854	}	840	}
855		841
856	static SV *	842	static SV *
857	coro_deq (int min_prio)	843	coro_deq (pTHX_ int min_prio)
858	{	844	{
859	int prio = PRIO_MAX - PRIO_MIN;	845	int prio = PRIO_MAX - PRIO_MIN;
860		846
861	min_prio -= PRIO_MIN;	847	min_prio -= PRIO_MIN;
862	if (min_prio < 0)	848	if (min_prio < 0)
863	min_prio = 0;	849	min_prio = 0;
864		850
865	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	851	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
866	if (av_len (coro_ready[prio]) >= 0)	852	if (AvFILLp (coro_ready [prio]) >= 0)
867	{	853	{
868	coro_nready--;	854	coro_nready--;
869	return av_shift (coro_ready[prio]);	855	return av_shift (coro_ready [prio]);
870	}	856	}
871		857
872	return 0;	858	return 0;
873	}	859	}
874		860
875	static void	861	static void
876	api_ready (SV *coro)	862	api_ready (SV *coro)
877	{	863	{
		864	dTHX;
		865
878	if (SvROK (coro))	866	if (SvROK (coro))
879	coro = SvRV (coro);	867	coro = SvRV (coro);
880		868
		869	LOCK;
881	coro_enq (SvREFCNT_inc (coro));	870	coro_enq (aTHX_ SvREFCNT_inc (coro));
		871	UNLOCK;
882	}	872	}
883		873
884	static void	874	static void
885	api_schedule (void)	875	api_schedule (void)
886	{	876	{
		877	dTHX;
		878
887	SV prev, next;	879	SV prev, next;
888		880
		881	LOCK;
		882
889	prev = SvRV (GvSV (coro_current));	883	prev = SvRV (GvSV (coro_current));
890	next = coro_deq (PRIO_MIN);	884	next = coro_deq (aTHX_ PRIO_MIN);
891		885
892	if (!next)	886	if (!next)
893	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	887	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
894		888
895	/* free this only after the transfer */	889	/* free this only after the transfer */
…		…
898		892
899	SvRV (GvSV (coro_current)) = next;	893	SvRV (GvSV (coro_current)) = next;
900		894
901	SV_CORO (next, "Coro::schedule");	895	SV_CORO (next, "Coro::schedule");
902		896
		897	UNLOCK;
		898
903	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	899	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
904	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	900	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
905	}	901	}
906		902
907	static void	903	static void
908	api_cede (void)	904	api_cede (void)
909	{	905	{
		906	dTHX;
		907
		908	LOCK;
910	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	909	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		910	UNLOCK;
911		911
912	api_schedule ();	912	api_schedule ();
913	}	913	}
914		914
915	MODULE = Coro::State PACKAGE = Coro::State	915	MODULE = Coro::State PACKAGE = Coro::State
916		916
917	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
918		918
919	BOOT:	919	BOOT:
920	{ /* {} necessary for stoopid perl-5.6.x */	920	{ /* {} necessary for stoopid perl-5.6.x */
		921	#ifdef USE_ITHREADS
		922	MUTEX_INIT (&coro_mutex);
		923	#endif
		924	BOOT_PAGESIZE;
		925
921	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	926	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
922	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	927	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
923	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	928	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
924		929
925	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	930	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
926	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	931	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
927	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	932	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
928	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	933	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
929
930	if (!padlist_cache)
931	padlist_cache = newHV ();
932		934
933	main_mainstack = PL_mainstack;	935	main_mainstack = PL_mainstack;
934		936
935	coroapi.ver = CORO_API_VERSION;	937	coroapi.ver = CORO_API_VERSION;
936	coroapi.transfer = api_transfer;	938	coroapi.transfer = api_transfer;
…		…
947	croak ("Coro::State::_newprocess expects an arrayref");	949	croak ("Coro::State::_newprocess expects an arrayref");
948		950
949	Newz (0, coro, 1, struct coro);	951	Newz (0, coro, 1, struct coro);
950		952
951	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	953	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
952	coro->mainstack = 0; /* actual work is done inside transfer */	954	/coro->mainstack = 0; //actual work is done inside transfer /
953	coro->stack = 0;	955	/coro->stack = 0;/
954
955	/* same as JMPENV_BOOTSTRAP */
956	/* we might be able to recycle start_env, but safe is safe */
957	//Zero(&coro->start_env, 1, JMPENV);
958	coro->start_env.je_ret = -1;
959	coro->start_env.je_mustcatch = TRUE;
960		956
961	RETVAL = coro;	957	RETVAL = coro;
962	OUTPUT:	958	OUTPUT:
963	RETVAL	959	RETVAL
964		960
…		…
983	if (coro->mainstack && coro->mainstack != main_mainstack)	979	if (coro->mainstack && coro->mainstack != main_mainstack)
984	{	980	{
985	struct coro temp;	981	struct coro temp;
986		982
987	PUTBACK;	983	PUTBACK;
988	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	984	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
989	LOAD(aTHX_ coro);	985	LOAD (aTHX_ coro);
990	SPAGAIN;	986	SPAGAIN;
991		987
992	destroy_stacks (aTHX);	988	destroy_stacks (aTHX);
993		989
994	LOAD((&temp)); /* this will get rid of defsv etc.. */	990	LOAD ((&temp)); /* this will get rid of defsv etc.. */
995	SPAGAIN;	991	SPAGAIN;
996		992
997	coro->mainstack = 0;	993	coro->mainstack = 0;
998	}	994	}
999		995
…		…
1008	CODE:	1004	CODE:
1009	_exit (code);	1005	_exit (code);
1010		1006
1011	MODULE = Coro::State PACKAGE = Coro::Cont	1007	MODULE = Coro::State PACKAGE = Coro::Cont
1012		1008
1013	# this is slightly dirty (should expose a c-level api)
1014
1015	void	1009	void
1016	yield(...)	1010	yield(...)
1017	PROTOTYPE: @	1011	PROTOTYPE: @
1018	CODE:	1012	CODE:
1019	static SV *returnstk;	1013	SV *yieldstack;
1020	SV *sv;	1014	SV *sv;
1021	AV *defav = GvAV (PL_defgv);	1015	AV *defav = GvAV (PL_defgv);
1022	struct coro prev, next;	1016	struct coro prev, next;
1023		1017
1024	if (!returnstk)	1018	yieldstack = *hv_fetch (
1025	returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));	1019	(HV *)SvRV (GvSV (coro_current)),
		1020	"yieldstack", sizeof ("yieldstack") - 1,
		1021	0
		1022	);
1026		1023
1027	/* set up @_ -- ugly */	1024	/* set up @_ -- ugly */
1028	av_clear (defav);	1025	av_clear (defav);
1029	av_fill (defav, items - 1);	1026	av_fill (defav, items - 1);
1030	while (items--)	1027	while (items--)
1031	av_store (defav, items, SvREFCNT_inc (ST(items)));	1028	av_store (defav, items, SvREFCNT_inc (ST(items)));
1032		1029
1033	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1034	sv = av_pop ((AV *)SvRV (returnstk));	1030	sv = av_pop ((AV *)SvRV (yieldstack));
1035	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1031	prev = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 0, 0)));
1036	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1032	next = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 1, 0)));
1037	SvREFCNT_dec (sv);	1033	SvREFCNT_dec (sv);
1038		1034
1039	transfer(aTHX_ prev, next, 0);	1035	transfer (aTHX_ prev, next, 0);
1040		1036
1041	MODULE = Coro::State PACKAGE = Coro	1037	MODULE = Coro::State PACKAGE = Coro
1042
1043	# this is slightly dirty (should expose a c-level api)
1044		1038
1045	BOOT:	1039	BOOT:
1046	{	1040	{
1047	int i;	1041	int i;
1048	HV *stash = gv_stashpv ("Coro", TRUE);	1042	HV *stash = gv_stashpv ("Coro", TRUE);
…		…
1068	coroapi.ready = api_ready;	1062	coroapi.ready = api_ready;
1069	coroapi.nready = &coro_nready;	1063	coroapi.nready = &coro_nready;
1070	coroapi.current = coro_current;	1064	coroapi.current = coro_current;
1071		1065
1072	GCoroAPI = &coroapi;	1066	GCoroAPI = &coroapi;
1073	sv_setiv(sv, (IV)&coroapi);	1067	sv_setiv (sv, (IV)&coroapi);
1074	SvREADONLY_on(sv);	1068	SvREADONLY_on (sv);
1075	}	1069	}
1076	}	1070	}
1077		1071
1078	#if !PERL_MICRO	1072	#if !PERL_MICRO
1079		1073
…		…
1104	cede(...)	1098	cede(...)
1105	PROTOTYPE:	1099	PROTOTYPE:
1106	CODE:	1100	CODE:
1107	api_cede ();	1101	api_cede ();
1108		1102
		1103	# and these are hacks
		1104	SV *
		1105	_aio_get_state ()
		1106	CODE:
		1107	{
		1108	struct {
		1109	int errorno;
		1110	int laststype;
		1111	int laststatval;
		1112	Stat_t statcache;
		1113	} data;
		1114
		1115	data.errorno = errno;
		1116	data.laststype = PL_laststype;
		1117	data.laststatval = PL_laststatval;
		1118	data.statcache = PL_statcache;
		1119
		1120	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1121	}
		1122	OUTPUT:
		1123	RETVAL
		1124
		1125	void
		1126	_aio_set_state (char *data_)
		1127	PROTOTYPE: $
		1128	CODE:
		1129	{
		1130	struct {
		1131	int errorno;
		1132	int laststype;
		1133	int laststatval;
		1134	Stat_t statcache;
		1135	} data = (void )data_;
		1136
		1137	errno = data->errorno;
		1138	PL_laststype = data->laststype;
		1139	PL_laststatval = data->laststatval;
		1140	PL_statcache = data->statcache;
		1141	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.53 by pcg, Sat Feb 14 12:39:41 2004 UTC vs. Revision 1.83 by root, Mon Nov 20 22:32:44 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.53 by pcg, Sat Feb 14 12:39:41 2004 UTC vs.
Revision 1.83 by root, Mon Nov 20 22:32:44 2006 UTC