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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.48 by pcg, Sat Nov 15 03:53:37 2003 UTC vs.
Revision 1.79 by root, Thu Nov 2 12:29:08 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
42	#endif	59	# endif
43		60	#endif
44	#define MAY_FLUSH /* increases codesize and is rarely used */
45		61
46	#define SUB_INIT "Coro::State::initialize"	62	#define SUB_INIT "Coro::State::initialize"
47	#define UCORO_STATE "_coro_state"	63	#define UCORO_STATE "_coro_state"
48		64
49	/* The next macro should declare a variable stacklevel that contains and approximation	65	/* The next macro should declare a variable stacklevel that contains and approximation
…		…
55		71
56	#define labs(l) ((l) >= 0 ? (l) : -(l))	72	#define labs(l) ((l) >= 0 ? (l) : -(l))
57		73
58	#include "CoroAPI.h"	74	#include "CoroAPI.h"
59		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
60	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 */
61		91
62	/* 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... */
63	typedef struct {	93	typedef struct {
64	int refcnt; /* pointer reference counter */	94	int refcnt; /* pointer reference counter */
65	int usecnt; /* shared by how many coroutines */	95	int usecnt; /* shared by how many coroutines */
…		…
95	AV *mainstack;	125	AV *mainstack;
96	SV **stack_sp;	126	SV **stack_sp;
97	OP *op;	127	OP *op;
98	SV **curpad;	128	SV **curpad;
99	AV *comppad;	129	AV *comppad;
		130	CV *compcv;
100	SV **stack_base;	131	SV **stack_base;
101	SV **stack_max;	132	SV **stack_max;
102	SV **tmps_stack;	133	SV **tmps_stack;
103	I32 tmps_floor;	134	I32 tmps_floor;
104	I32 tmps_ix;	135	I32 tmps_ix;
…		…
113	I32 savestack_ix;	144	I32 savestack_ix;
114	I32 savestack_max;	145	I32 savestack_max;
115	OP **retstack;	146	OP **retstack;
116	I32 retstack_ix;	147	I32 retstack_ix;
117	I32 retstack_max;	148	I32 retstack_max;
		149	PMOP *curpm;
118	COP *curcop;	150	COP *curcop;
119	JMPENV *top_env;	151	JMPENV *top_env;
120		152
121	/* data associated with this coroutine (initial args) */	153	/* data associated with this coroutine (initial args) */
122	AV *args;	154	AV *args;
123	};	155	};
124		156
125	typedef struct coro *Coro__State;	157	typedef struct coro *Coro__State;
126	typedef struct coro *Coro__State_or_hashref;	158	typedef struct coro *Coro__State_or_hashref;
127		159
128	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV *
129	static HV *coro_state_stash;	161	coro_clone_padlist (pTHX_ CV *cv)
130	static SV *ucoro_state_sv;
131	static U32 ucoro_state_hash;
132	static HV *padlist_cache;
133	static SV coro_mortal; / will be freed after next transfer */
134
135	/* mostly copied from op.c:cv_clone2 */
136	STATIC AV *
137	clone_padlist (AV *protopadlist)
138	{	162	{
139	AV *av;	163	AV *padlist = CvPADLIST (cv);
140	I32 ix;
141	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
142	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
143	SV **pname = AvARRAY (protopad_name);
144	SV **ppad = AvARRAY (protopad);
145	I32 fname = AvFILLp (protopad_name);
146	I32 fpad = AvFILLp (protopad);
147	AV newpadlist, newpad_name, *newpad;	164	AV newpadlist, newpad;
148	SV **npad;
149
150	newpad_name = newAV ();
151	for (ix = fname; ix >= 0; ix--)
152	av_store (newpad_name, ix, SvREFCNT_inc (pname[ix]));
153
154	newpad = newAV ();
155	av_fill (newpad, AvFILLp (protopad));
156	npad = AvARRAY (newpad);
157		165
158	newpadlist = newAV ();	166	newpadlist = newAV ();
159	AvREAL_off (newpadlist);	167	AvREAL_off (newpadlist);
160	av_store (newpadlist, 0, (SV *) newpad_name);	168	#if PERL_VERSION < 9
		169	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		170	#else
		171	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		172	#endif
		173	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		174	--AvFILLp (padlist);
		175
		176	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
161	av_store (newpadlist, 1, (SV *) newpad);	177	av_store (newpadlist, 1, (SV *)newpad);
162		178
163	av = newAV (); /* will be @_ */	179	return newpadlist;
164	av_extend (av, 0);	180	}
165	av_store (newpad, 0, (SV *) av);
166	AvFLAGS (av) = AVf_REIFY;
167		181
168	for (ix = fpad; ix > 0; ix--)	182	static void
		183	free_padlist (pTHX_ AV *padlist)
		184	{
		185	/* may be during global destruction */
		186	if (SvREFCNT (padlist))
169	{	187	{
170	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;	188	I32 i = AvFILLp (padlist);
171	if (namesv && namesv != &PL_sv_undef)	189	while (i >= 0)
172	{	190	{
173	char name = SvPVX (namesv); / XXX */	191	SV **svp = av_fetch (padlist, i--, FALSE);
174	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')	192	if (svp)
175	{ /* lexical from outside? */
176	npad[ix] = SvREFCNT_inc (ppad[ix]);
177	}	193	{
178	else
179	{ /* our own lexical */
180	SV *sv;	194	SV *sv;
181	if (*name == '&')	195	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))
182	sv = SvREFCNT_inc (ppad[ix]);	196	SvREFCNT_dec (sv);
183	else if (*name == '@')	197
184	sv = (SV *) newAV ();	198	SvREFCNT_dec (*svp);
185	else if (*name == '%')
186	sv = (SV *) newHV ();
187	else
188	sv = NEWSV (0, 0);
189	if (!SvPADBUSY (sv))
190	SvPADMY_on (sv);
191	npad[ix] = sv;
192	}	199	}
193	}	200	}
194	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))	201
195	{	202	SvREFCNT_dec ((SV*)padlist);
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	}	203	}
		204	}
205		205
206	#if 0 /* return -ENOTUNDERSTOOD */	206	static int
207	/* Now that vars are all in place, clone nested closures. */	207	coro_cv_free (pTHX_ SV sv, MAGIC mg)
		208	{
		209	AV *padlist;
		210	AV av = (AV )mg->mg_obj;
208		211
209	for (ix = fpad; ix > 0; ix--) {	212	/* casting is fun. */
210	SV* namesv = (ix <= fname) ? pname[ix] : Nullsv;	213	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
211	if (namesv	214	free_padlist (aTHX_ padlist);
212	&& namesv != &PL_sv_undef	215
213	&& !(SvFLAGS(namesv) & SVf_FAKE)	216	SvREFCNT_dec (av);
214	&& *SvPVX(namesv) == '&'	217
215	&& CvCLONE(ppad[ix]))	218	return 0;
216	{	219	}
217	CV kid = cv_clone((CV)ppad[ix]);	220
218	SvREFCNT_dec(ppad[ix]);	221	#define PERL_MAGIC_coro PERL_MAGIC_ext
219	CvCLONE_on(kid);	222
220	SvPADMY_on(kid);	223	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
221	npad[ix] = (SV*)kid;	224
222	}	225	/* the next two functions merely cache the padlists */
		226	static void
		227	get_padlist (pTHX_ CV *cv)
		228	{
		229	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
		230
		231	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
		232	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
		233	else
		234	{
		235	#if 0
		236	/* this should work - but it doesn't :( */
		237	CV *cp = Perl_cv_clone (aTHX_ cv);
		238	CvPADLIST (cv) = CvPADLIST (cp);
		239	CvPADLIST (cp) = 0;
		240	SvREFCNT_dec (cp);
		241	#else
		242	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		243	#endif
		244	}
		245	}
		246
		247	static void
		248	put_padlist (pTHX_ CV *cv)
		249	{
		250	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
		251
		252	if (!mg)
		253	{
		254	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
		255	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
		256	mg->mg_virtual = &vtbl_coro;
		257	mg->mg_obj = (SV *)newAV ();
223	}	258	}
224	#endif
225		259
226	return newpadlist;
227	}
228
229	#ifdef MAY_FLUSH
230	STATIC void
231	free_padlist (AV *padlist)
232	{
233	/* may be during global destruction */
234	if (SvREFCNT(padlist))
235	{
236	I32 i = AvFILLp(padlist);
237	while (i >= 0)
238	{
239	SV **svp = av_fetch(padlist, i--, FALSE);
240	SV sv = svp ? svp : Nullsv;
241	if (sv)
242	SvREFCNT_dec(sv);
243	}
244
245	SvREFCNT_dec((SV*)padlist);
246	}
247	}
248	#endif
249
250	/* the next two functions merely cache the padlists */
251	STATIC void
252	get_padlist (CV *cv)
253	{
254	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 0);
255
256	if (he && AvFILLp ((AV )he) >= 0)
257	CvPADLIST (cv) = (AV )av_pop ((AV )*he);
258	else
259	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));
260	}
261
262	STATIC void
263	put_padlist (CV *cv)
264	{
265	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 1);
266
267	if (SvTYPE (*he) != SVt_PVAV)
268	{
269	SvREFCNT_dec (*he);
270	he = (SV )newAV ();
271	}
272
273	av_push ((AV )he, (SV *)CvPADLIST (cv));	260	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));
274	}	261	}
275
276	#ifdef MAY_FLUSH
277	STATIC void
278	flush_padlist_cache ()
279	{
280	HV *hv = padlist_cache;
281	padlist_cache = newHV ();
282
283	if (hv_iterinit (hv))
284	{
285	HE *he;
286	AV *padlist;
287
288	while (!!(he = hv_iternext (hv)))
289	{
290	AV av = (AV )HeVAL(he);
291
292	/* casting is fun. */
293	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
294	free_padlist (padlist);
295	}
296	}
297
298	SvREFCNT_dec (hv);
299	}
300	#endif
301		262
302	#define SB do {	263	#define SB do {
303	#define SE } while (0)	264	#define SE } while (0)
304		265
305	#define LOAD(state) load_state(aTHX_ (state));	266	#define LOAD(state) load_state(aTHX_ (state));
…		…
318	PL_mainstack = c->mainstack;	279	PL_mainstack = c->mainstack;
319	PL_stack_sp = c->stack_sp;	280	PL_stack_sp = c->stack_sp;
320	PL_op = c->op;	281	PL_op = c->op;
321	PL_curpad = c->curpad;	282	PL_curpad = c->curpad;
322	PL_comppad = c->comppad;	283	PL_comppad = c->comppad;
		284	PL_compcv = c->compcv;
323	PL_stack_base = c->stack_base;	285	PL_stack_base = c->stack_base;
324	PL_stack_max = c->stack_max;	286	PL_stack_max = c->stack_max;
325	PL_tmps_stack = c->tmps_stack;	287	PL_tmps_stack = c->tmps_stack;
326	PL_tmps_floor = c->tmps_floor;	288	PL_tmps_floor = c->tmps_floor;
327	PL_tmps_ix = c->tmps_ix;	289	PL_tmps_ix = c->tmps_ix;
…		…
333	PL_scopestack_ix = c->scopestack_ix;	295	PL_scopestack_ix = c->scopestack_ix;
334	PL_scopestack_max = c->scopestack_max;	296	PL_scopestack_max = c->scopestack_max;
335	PL_savestack = c->savestack;	297	PL_savestack = c->savestack;
336	PL_savestack_ix = c->savestack_ix;	298	PL_savestack_ix = c->savestack_ix;
337	PL_savestack_max = c->savestack_max;	299	PL_savestack_max = c->savestack_max;
		300	#if PERL_VERSION < 9
338	PL_retstack = c->retstack;	301	PL_retstack = c->retstack;
339	PL_retstack_ix = c->retstack_ix;	302	PL_retstack_ix = c->retstack_ix;
340	PL_retstack_max = c->retstack_max;	303	PL_retstack_max = c->retstack_max;
		304	#endif
		305	PL_curpm = c->curpm;
341	PL_curcop = c->curcop;	306	PL_curcop = c->curcop;
342	PL_top_env = c->top_env;	307	PL_top_env = c->top_env;
343		308
344	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	309	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
345	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	310	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
354	{	319	{
355	AV padlist = (AV )POPs;	320	AV padlist = (AV )POPs;
356		321
357	if (padlist)	322	if (padlist)
358	{	323	{
359	put_padlist (cv); /* mark this padlist as available */	324	put_padlist (aTHX_ cv); /* mark this padlist as available */
360	CvPADLIST(cv) = padlist;	325	CvPADLIST(cv) = padlist;
361	#ifdef USE_THREADS
362	/CvOWNER(cv) = (struct perl_thread )POPs;*/
363	#endif
364	}	326	}
365		327
366	++CvDEPTH(cv);	328	++CvDEPTH(cv);
367	}	329	}
368		330
…		…
395	if (CxTYPE(cx) == CXt_SUB)	357	if (CxTYPE(cx) == CXt_SUB)
396	{	358	{
397	CV *cv = cx->blk_sub.cv;	359	CV *cv = cx->blk_sub.cv;
398	if (CvDEPTH(cv))	360	if (CvDEPTH(cv))
399	{	361	{
400	#ifdef USE_THREADS
401	/XPUSHs ((SV )CvOWNER(cv));*/
402	/CvOWNER(cv) = 0;/
403	/error must unlock this cv etc.. etc.../
404	#endif
405	EXTEND (SP, CvDEPTH(cv)*2);	362	EXTEND (SP, CvDEPTH(cv)*2);
406		363
407	while (--CvDEPTH(cv))	364	while (--CvDEPTH(cv))
408	{	365	{
409	/* this tells the restore code to increment CvDEPTH */	366	/* this tells the restore code to increment CvDEPTH */
…		…
412	}	369	}
413		370
414	PUSHs ((SV *)CvPADLIST(cv));	371	PUSHs ((SV *)CvPADLIST(cv));
415	PUSHs ((SV *)cv);	372	PUSHs ((SV *)cv);
416		373
417	get_padlist (cv); /* this is a monster */	374	get_padlist (aTHX_ cv);
418	}	375	}
419	}	376	}
420	#ifdef CXt_FORMAT	377	#ifdef CXt_FORMAT
421	else if (CxTYPE(cx) == CXt_FORMAT)	378	else if (CxTYPE(cx) == CXt_FORMAT)
422	{	379	{
…		…
450	c->mainstack = PL_mainstack;	407	c->mainstack = PL_mainstack;
451	c->stack_sp = PL_stack_sp;	408	c->stack_sp = PL_stack_sp;
452	c->op = PL_op;	409	c->op = PL_op;
453	c->curpad = PL_curpad;	410	c->curpad = PL_curpad;
454	c->comppad = PL_comppad;	411	c->comppad = PL_comppad;
		412	c->compcv = PL_compcv;
455	c->stack_base = PL_stack_base;	413	c->stack_base = PL_stack_base;
456	c->stack_max = PL_stack_max;	414	c->stack_max = PL_stack_max;
457	c->tmps_stack = PL_tmps_stack;	415	c->tmps_stack = PL_tmps_stack;
458	c->tmps_floor = PL_tmps_floor;	416	c->tmps_floor = PL_tmps_floor;
459	c->tmps_ix = PL_tmps_ix;	417	c->tmps_ix = PL_tmps_ix;
…		…
465	c->scopestack_ix = PL_scopestack_ix;	423	c->scopestack_ix = PL_scopestack_ix;
466	c->scopestack_max = PL_scopestack_max;	424	c->scopestack_max = PL_scopestack_max;
467	c->savestack = PL_savestack;	425	c->savestack = PL_savestack;
468	c->savestack_ix = PL_savestack_ix;	426	c->savestack_ix = PL_savestack_ix;
469	c->savestack_max = PL_savestack_max;	427	c->savestack_max = PL_savestack_max;
		428	#if PERL_VERSION < 9
470	c->retstack = PL_retstack;	429	c->retstack = PL_retstack;
471	c->retstack_ix = PL_retstack_ix;	430	c->retstack_ix = PL_retstack_ix;
472	c->retstack_max = PL_retstack_max;	431	c->retstack_max = PL_retstack_max;
		432	#endif
		433	c->curpm = PL_curpm;
473	c->curcop = PL_curcop;	434	c->curcop = PL_curcop;
474	c->top_env = PL_top_env;	435	c->top_env = PL_top_env;
475	}	436	}
476		437
477	/*	438	/*
478	* allocate various perl stacks. This is an exact copy	439	* allocate various perl stacks. This is an exact copy
479	* of perl.c:init_stacks, except that it uses less memory	440	* of perl.c:init_stacks, except that it uses less memory
480	* on the assumption that coroutines do not usually need	441	* on the (sometimes correct) assumption that coroutines do
481	* a lot of stackspace.	442	* not usually need a lot of stackspace.
482	*/	443	*/
483	STATIC void	444	static void
484	coro_init_stacks (pTHX)	445	coro_init_stacks (pTHX)
485	{	446	{
		447	LOCK;
		448
486	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	449	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
487	PL_curstackinfo->si_type = PERLSI_MAIN;	450	PL_curstackinfo->si_type = PERLSI_MAIN;
488	PL_curstack = PL_curstackinfo->si_stack;	451	PL_curstack = PL_curstackinfo->si_stack;
489	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	452	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
490		453
…		…
511		474
512	New(54,PL_savestack,96,ANY);	475	New(54,PL_savestack,96,ANY);
513	PL_savestack_ix = 0;	476	PL_savestack_ix = 0;
514	PL_savestack_max = 96;	477	PL_savestack_max = 96;
515		478
		479	#if PERL_VERSION < 9
516	New(54,PL_retstack,8,OP*);	480	New(54,PL_retstack,8,OP*);
517	PL_retstack_ix = 0;	481	PL_retstack_ix = 0;
518	PL_retstack_max = 8;	482	PL_retstack_max = 8;
		483	#endif
		484
		485	UNLOCK;
519	}	486	}
520		487
521	/*	488	/*
522	* destroy the stacks, the callchain etc...	489	* destroy the stacks, the callchain etc...
523	*/	490	*/
524	STATIC void	491	static void
525	destroy_stacks(pTHX)	492	destroy_stacks(pTHX)
526	{	493	{
527	if (!IN_DESTRUCT)	494	if (!IN_DESTRUCT)
528	{	495	{
529	/* is this ugly, I ask? */	496	/* is this ugly, I ask? */
530	while (PL_scopestack_ix)	497	LEAVE_SCOPE (0);
531	LEAVE;
532		498
533	/* sure it is, but more important: is it correct?? :/ */	499	/* sure it is, but more important: is it correct?? :/ */
534	while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
535	FREETMPS;	500	FREETMPS;
		501
		502	/POPSTACK_TO (PL_mainstack);//D//use/
536	}	503	}
537		504
538	while (PL_curstackinfo->si_next)	505	while (PL_curstackinfo->si_next)
539	PL_curstackinfo = PL_curstackinfo->si_next;	506	PL_curstackinfo = PL_curstackinfo->si_next;
540		507
541	while (PL_curstackinfo)	508	while (PL_curstackinfo)
542	{	509	{
543	PERL_SI *p = PL_curstackinfo->si_prev;	510	PERL_SI *p = PL_curstackinfo->si_prev;
544		511
545	{	512	{ /D//remove/
546	dSP;	513	dSP;
547	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	514	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
548	PUTBACK; /* possibly superfluous */	515	PUTBACK; /* possibly superfluous */
549	}	516	}
550		517
551	if (!IN_DESTRUCT)	518	if (!IN_DESTRUCT)
552	{	519	{
553	dounwind(-1);	520	dounwind (-1);/D//remove/
554	SvREFCNT_dec(PL_curstackinfo->si_stack);	521	SvREFCNT_dec (PL_curstackinfo->si_stack);
555	}	522	}
556		523
557	Safefree(PL_curstackinfo->si_cxstack);	524	Safefree (PL_curstackinfo->si_cxstack);
558	Safefree(PL_curstackinfo);	525	Safefree (PL_curstackinfo);
559	PL_curstackinfo = p;	526	PL_curstackinfo = p;
560	}	527	}
561		528
562	Safefree(PL_tmps_stack);	529	Safefree (PL_tmps_stack);
563	Safefree(PL_markstack);	530	Safefree (PL_markstack);
564	Safefree(PL_scopestack);	531	Safefree (PL_scopestack);
565	Safefree(PL_savestack);	532	Safefree (PL_savestack);
		533	#if PERL_VERSION < 9
566	Safefree(PL_retstack);	534	Safefree (PL_retstack);
		535	#endif
567	}	536	}
568		537
569	static void	538	static void
570	allocate_stack (Coro__State ctx, int alloc)	539	allocate_stack (Coro__State ctx, int alloc)
571	{	540	{
…		…
574	New (0, stack, 1, coro_stack);	543	New (0, stack, 1, coro_stack);
575		544
576	stack->refcnt = 1;	545	stack->refcnt = 1;
577	stack->usecnt = 1;	546	stack->usecnt = 1;
578	stack->gencnt = ctx->gencnt = 0;	547	stack->gencnt = ctx->gencnt = 0;
		548
579	if (alloc)	549	if (alloc)
580	{	550	{
581	#if HAVE_MMAP	551	#if HAVE_MMAP
582	stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */	552	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
583	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	553	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
584	if (stack->sptr == (void *)-1)	554	if (stack->sptr != (void *)-1)
585	#endif
586	{	555	{
587	/FIXME//D//* reasonable stack size! */	556	# if STACKGUARD
		557	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		558	# endif
		559	}
		560	else
		561	#endif
		562	{
588	stack->ssize = -4096 * sizeof (long);	563	stack->ssize = - (STACKSIZE * (long)sizeof (long));
589	New (0, stack->sptr, 4096, long);	564	New (0, stack->sptr, STACKSIZE, long);
590	}	565	}
591	}	566	}
592	else	567	else
593	stack->sptr = 0;	568	stack->sptr = 0;
594		569
…		…
624	setup_coro (void *arg)	599	setup_coro (void *arg)
625	{	600	{
626	/*	601	/*
627	* emulate part of the perl startup here.	602	* emulate part of the perl startup here.
628	*/	603	*/
		604	dTHX;
629	dSP;	605	dSP;
630	Coro__State ctx = (Coro__State)arg;	606	Coro__State ctx = (Coro__State)arg;
631	SV sub_init = (SV)get_cv(SUB_INIT, FALSE);	607	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
632		608
633	coro_init_stacks (aTHX);	609	coro_init_stacks (aTHX);
634	/PL_curcop = 0;/	610	/PL_curcop = 0;/
635	/PL_in_eval = PL_in_eval;/ /* inherit */	611	/PL_in_eval = PL_in_eval;/ /* inherit */
636	SvREFCNT_dec (GvAV (PL_defgv));	612	SvREFCNT_dec (GvAV (PL_defgv));
…		…
682	continue_coro (void *arg)	658	continue_coro (void *arg)
683	{	659	{
684	/*	660	/*
685	* this is a _very_ stripped down perl interpreter ;)	661	* this is a _very_ stripped down perl interpreter ;)
686	*/	662	*/
		663	dTHX;
687	Coro__State ctx = (Coro__State)arg;	664	Coro__State ctx = (Coro__State)arg;
688	JMPENV coro_start_env;
689		665
690	PL_top_env = &ctx->start_env;	666	PL_top_env = &ctx->start_env;
691		667
692	ctx->cursp = 0;	668	ctx->cursp = 0;
693	PL_op = PL_op->op_next;	669	PL_op = PL_op->op_next;
694	CALLRUNOPS(aTHX);	670	CALLRUNOPS(aTHX);
695		671
696	abort ();	672	abort ();
697	}	673	}
698		674
699	STATIC void	675	static void
700	transfer(pTHX_ struct coro prev, struct coro next, int flags)	676	transfer (pTHX_ struct coro prev, struct coro next, int flags)
701	{	677	{
702	dSTACKLEVEL;	678	dSTACKLEVEL;
703	static struct coro *xnext;
704		679
705	if (prev != next)	680	if (prev != next)
706	{	681	{
707	xnext = next;
708
709	if (next->mainstack)	682	if (next->mainstack)
710	{	683	{
		684	LOCK;
711	SAVE (prev, flags);	685	SAVE (prev, flags);
712	LOAD (next);	686	LOAD (next);
		687	UNLOCK;
713		688
714	/* mark this state as in-use */	689	/* mark this state as in-use */
715	next->mainstack = 0;	690	next->mainstack = 0;
716	next->tmps_ix = -2;	691	next->tmps_ix = -2;
717		692
…		…
736	continue_coro, (void *)next,	711	continue_coro, (void *)next,
737	next->stack->sptr, labs (next->stack->ssize));	712	next->stack->sptr, labs (next->stack->ssize));
738	}	713	}
739		714
740	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	715	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		716	prev->cursp = stacklevel;
741	/* don't add any code here */	717	/* don't add any code here */
742	}	718	}
743		719	else
		720	next->cursp = stacklevel;
744	}	721	}
745	else if (next->tmps_ix == -2)	722	else if (next->tmps_ix == -2)
746	croak ("tried to transfer to running coroutine");	723	croak ("tried to transfer to running coroutine");
747	else	724	else
748	{	725	{
		726	LOCK;
749	SAVE (prev, -1); /* first get rid of the old state */	727	SAVE (prev, -1); /* first get rid of the old state */
		728	UNLOCK;
750		729
751	if (flags & TRANSFER_SAVE_CCTXT)	730	if (flags & TRANSFER_SAVE_CCTXT)
752	{	731	{
753	if (!prev->stack)	732	if (!prev->stack)
754	allocate_stack (prev, 0);	733	allocate_stack (prev, 0);
…		…
756	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	735	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
757	{	736	{
758	PL_top_env = &next->start_env;	737	PL_top_env = &next->start_env;
759		738
760	setup_coro (next);	739	setup_coro (next);
		740	next->cursp = stacklevel;
761		741
762	prev->stack->refcnt++;	742	prev->stack->refcnt++;
763	prev->stack->usecnt++;	743	prev->stack->usecnt++;
764	next->stack = prev->stack;	744	next->stack = prev->stack;
765	next->gencnt = prev->gencnt;	745	next->gencnt = prev->gencnt;
…		…
770	allocate_stack (next, 1);	750	allocate_stack (next, 1);
771	coro_create (&(next->stack->cctx),	751	coro_create (&(next->stack->cctx),
772	setup_coro, (void *)next,	752	setup_coro, (void *)next,
773	next->stack->sptr, labs (next->stack->ssize));	753	next->stack->sptr, labs (next->stack->ssize));
774	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	754	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		755	prev->cursp = stacklevel;
775	/* don't add any code here */	756	/* don't add any code here */
776	}	757	}
777	}	758	}
778	else	759	else
		760	{
779	setup_coro (next);	761	setup_coro (next);
		762	next->cursp = stacklevel;
		763	}
780	}	764	}
781
782	/*
783	* xnext is now either prev or next, depending on wether
784	* we switched the c stack or not. that's why I use a global
785	* variable, that should become thread-specific at one point.
786	*/
787	xnext->cursp = stacklevel;
788	}	765	}
789		766
		767	LOCK;
790	if (coro_mortal)	768	if (coro_mortal)
791	{	769	{
792	SvREFCNT_dec (coro_mortal);	770	SvREFCNT_dec (coro_mortal);
793	coro_mortal = 0;	771	coro_mortal = 0;
794	}	772	}
		773	UNLOCK;
795	}	774	}
796		775
797	#define SV_CORO(sv,func) \	776	#define SV_CORO(sv,func) \
798	do { \	777	do { \
799	if (SvROK (sv)) \	778	if (SvROK (sv)) \
800	sv = SvRV (sv); \	779	sv = SvRV (sv); \
801	\	780	\
802	if (SvTYPE(sv) == SVt_PVHV) \	781	if (SvTYPE (sv) == SVt_PVHV) \
803	{ \	782	{ \
804	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); \
805	\	784	\
806	if (!he) \	785	if (!he) \
807	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); \
808	\	787	\
809	(sv) = SvRV (HeVAL(he)); \	788	(sv) = SvRV (HeVAL(he)); \
810	} \	789	} \
811	\	790	\
812	/* must also be changed inside Coro::Cont::yield */ \	791	/* must also be changed inside Coro::Cont::yield */ \
813	if (!SvOBJECT(sv) \|\| SvSTASH(sv) != coro_state_stash) \	792	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
814	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); \
815	\	794	\
816	} while(0)	795	} while(0)
817		796
818	#define SvSTATE(sv) (struct coro *)SvIV (sv)	797	#define SvSTATE(sv) INT2PTR (struct coro *, SvIV (sv))
819		798
820	static void	799	static void
821	api_transfer(pTHX_ SV prev, SV next, int flags)	800	api_transfer(pTHX_ SV prev, SV next, int flags)
822	{	801	{
823	SV_CORO (prev, "Coro::transfer");	802	SV_CORO (prev, "Coro::transfer");
824	SV_CORO (next, "Coro::transfer");	803	SV_CORO (next, "Coro::transfer");
825		804
826	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	805	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
827	}	806	}
828		807
829	/ Coro ******************************************************************/	808	/ Coro ******************************************************************/
830		809
831	#define PRIO_MAX 3	810	#define PRIO_MAX 3
…		…
839	static GV coro_current, coro_idle;	818	static GV coro_current, coro_idle;
840	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	819	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
841	static int coro_nready;	820	static int coro_nready;
842		821
843	static void	822	static void
844	coro_enq (SV *sv)	823	coro_enq (pTHX_ SV *sv)
845	{	824	{
		825	SV **xprio;
		826	int prio;
		827
846	if (SvTYPE (sv) == SVt_PVHV)	828	if (SvTYPE (sv) != SVt_PVHV)
847	{
848	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
849	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
850
851	prio = prio > PRIO_MAX ? PRIO_MAX
852	: prio < PRIO_MIN ? PRIO_MIN
853	: prio;
854
855	av_push (coro_ready [prio - PRIO_MIN], sv);
856	coro_nready++;
857
858	return;
859	}
860
861	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++;
862	}	840	}
863		841
864	static SV *	842	static SV *
865	coro_deq (int min_prio)	843	coro_deq (pTHX_ int min_prio)
866	{	844	{
867	int prio = PRIO_MAX - PRIO_MIN;	845	int prio = PRIO_MAX - PRIO_MIN;
868		846
869	min_prio -= PRIO_MIN;	847	min_prio -= PRIO_MIN;
870	if (min_prio < 0)	848	if (min_prio < 0)
…		…
881	}	859	}
882		860
883	static void	861	static void
884	api_ready (SV *coro)	862	api_ready (SV *coro)
885	{	863	{
		864	dTHX;
		865
886	if (SvROK (coro))	866	if (SvROK (coro))
887	coro = SvRV (coro);	867	coro = SvRV (coro);
888		868
		869	LOCK;
889	coro_enq (SvREFCNT_inc (coro));	870	coro_enq (aTHX_ SvREFCNT_inc (coro));
		871	UNLOCK;
890	}	872	}
891		873
892	static void	874	static void
893	api_schedule (void)	875	api_schedule (void)
894	{	876	{
		877	dTHX;
		878
895	SV prev, next;	879	SV prev, next;
896		880
		881	LOCK;
		882
897	prev = SvRV (GvSV (coro_current));	883	prev = SvRV (GvSV (coro_current));
898	next = coro_deq (PRIO_MIN);	884	next = coro_deq (aTHX_ PRIO_MIN);
899		885
900	if (!next)	886	if (!next)
901	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	887	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
902		888
903	/* free this only after the transfer */	889	/* free this only after the transfer */
…		…
906		892
907	SvRV (GvSV (coro_current)) = next;	893	SvRV (GvSV (coro_current)) = next;
908		894
909	SV_CORO (next, "Coro::schedule");	895	SV_CORO (next, "Coro::schedule");
910		896
		897	UNLOCK;
		898
911	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	899	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
912	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	900	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
913	}	901	}
914		902
915	static void	903	static void
916	api_cede (void)	904	api_cede (void)
917	{	905	{
		906	dTHX;
		907
		908	LOCK;
918	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	909	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		910	UNLOCK;
919		911
920	api_schedule ();	912	api_schedule ();
921	}	913	}
922		914
923	MODULE = Coro::State PACKAGE = Coro::State	915	MODULE = Coro::State PACKAGE = Coro::State
924		916
925	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
926		918
927	BOOT:	919	BOOT:
928	{ /* {} 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
929	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	926	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
930	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	927	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
931	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	928	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
932		929
933	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	930	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
934	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	931	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
935	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	932	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
936	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	933	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
937
938	if (!padlist_cache)
939	padlist_cache = newHV ();
940		934
941	main_mainstack = PL_mainstack;	935	main_mainstack = PL_mainstack;
942		936
943	coroapi.ver = CORO_API_VERSION;	937	coroapi.ver = CORO_API_VERSION;
944	coroapi.transfer = api_transfer;	938	coroapi.transfer = api_transfer;
…		…
955	croak ("Coro::State::_newprocess expects an arrayref");	949	croak ("Coro::State::_newprocess expects an arrayref");
956		950
957	Newz (0, coro, 1, struct coro);	951	Newz (0, coro, 1, struct coro);
958		952
959	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	953	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
960	coro->mainstack = 0; /* actual work is done inside transfer */	954	/coro->mainstack = 0; //actual work is done inside transfer /
961	coro->stack = 0;	955	/coro->stack = 0;/
962		956
963	/* same as JMPENV_BOOTSTRAP */	957	/* same as JMPENV_BOOTSTRAP */
964	/* we might be able to recycle start_env, but safe is safe */	958	/* we might be able to recycle start_env, but safe is safe */
965	//Zero(&coro->start_env, 1, JMPENV);	959	/Zero(&coro->start_env, 1, JMPENV);/
966	coro->start_env.je_ret = -1;	960	coro->start_env.je_ret = -1;
967	coro->start_env.je_mustcatch = TRUE;	961	coro->start_env.je_mustcatch = TRUE;
968		962
969	RETVAL = coro;	963	RETVAL = coro;
970	OUTPUT:	964	OUTPUT:
…		…
991	if (coro->mainstack && coro->mainstack != main_mainstack)	985	if (coro->mainstack && coro->mainstack != main_mainstack)
992	{	986	{
993	struct coro temp;	987	struct coro temp;
994		988
995	PUTBACK;	989	PUTBACK;
996	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	990	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
997	LOAD(aTHX_ coro);	991	LOAD (aTHX_ coro);
998	SPAGAIN;	992	SPAGAIN;
999		993
1000	destroy_stacks (aTHX);	994	destroy_stacks (aTHX);
1001		995
1002	LOAD((&temp)); /* this will get rid of defsv etc.. */	996	LOAD ((&temp)); /* this will get rid of defsv etc.. */
1003	SPAGAIN;	997	SPAGAIN;
1004		998
1005	coro->mainstack = 0;	999	coro->mainstack = 0;
1006	}	1000	}
1007		1001
1008	deallocate_stack (coro);	1002	deallocate_stack (coro);
1009	SvREFCNT_dec (coro->args);	1003	SvREFCNT_dec (coro->args);
1010	Safefree (coro);	1004	Safefree (coro);
1011
1012	void
1013	flush()
1014	CODE:
1015	#ifdef MAY_FLUSH
1016	flush_padlist_cache ();
1017	#endif
1018		1005
1019	void	1006	void
1020	_exit(code)	1007	_exit(code)
1021	int code	1008	int code
1022	PROTOTYPE: $	1009	PROTOTYPE: $
1023	CODE:	1010	CODE:
1024	#if defined(__GLIBC__) \|\| _POSIX_C_SOURCE
1025	_exit (code);	1011	_exit (code);
1026	#else
1027	signal (SIGTERM, SIG_DFL);
1028	raise (SIGTERM);
1029	exit (code);
1030	#endif
1031		1012
1032	MODULE = Coro::State PACKAGE = Coro::Cont	1013	MODULE = Coro::State PACKAGE = Coro::Cont
1033		1014
1034	# this is slightly dirty (should expose a c-level api)	1015	# this is slightly dirty (should expose a c-level api)
1035		1016
1036	void	1017	void
1037	yield(...)	1018	yield(...)
1038	PROTOTYPE: @	1019	PROTOTYPE: @
1039	CODE:	1020	CODE:
1040	static SV *returnstk;	1021	SV *yieldstack;
1041	SV *sv;	1022	SV *sv;
1042	AV *defav = GvAV (PL_defgv);	1023	AV *defav = GvAV (PL_defgv);
1043	struct coro prev, next;	1024	struct coro prev, next;
1044		1025
1045	if (!returnstk)	1026	yieldstack = *hv_fetch (
1046	returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));	1027	(HV *)SvRV (GvSV (coro_current)),
		1028	"yieldstack", sizeof ("yieldstack") - 1,
		1029	0
		1030	);
1047		1031
1048	/* set up @_ -- ugly */	1032	/* set up @_ -- ugly */
1049	av_clear (defav);	1033	av_clear (defav);
1050	av_fill (defav, items - 1);	1034	av_fill (defav, items - 1);
1051	while (items--)	1035	while (items--)
1052	av_store (defav, items, SvREFCNT_inc (ST(items)));	1036	av_store (defav, items, SvREFCNT_inc (ST(items)));
1053		1037
1054	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1055	sv = av_pop ((AV *)SvRV (returnstk));	1038	sv = av_pop ((AV *)SvRV (yieldstack));
1056	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1039	prev = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0))));
1057	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1040	next = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0))));
1058	SvREFCNT_dec (sv);	1041	SvREFCNT_dec (sv);
1059		1042
1060	transfer(aTHX_ prev, next, 0);	1043	transfer (aTHX_ prev, next, 0);
1061		1044
1062	MODULE = Coro::State PACKAGE = Coro	1045	MODULE = Coro::State PACKAGE = Coro
1063		1046
1064	# this is slightly dirty (should expose a c-level api)	1047	# this is slightly dirty (should expose a c-level api)
1065		1048
…		…
1094	sv_setiv(sv, (IV)&coroapi);	1077	sv_setiv(sv, (IV)&coroapi);
1095	SvREADONLY_on(sv);	1078	SvREADONLY_on(sv);
1096	}	1079	}
1097	}	1080	}
1098		1081
		1082	#if !PERL_MICRO
		1083
1099	void	1084	void
1100	ready(self)	1085	ready(self)
1101	SV * self	1086	SV * self
1102	PROTOTYPE: $	1087	PROTOTYPE: $
1103	CODE:	1088	CODE:
1104	api_ready (self);	1089	api_ready (self);
		1090
		1091	#endif
1105		1092
1106	int	1093	int
1107	nready(...)	1094	nready(...)
1108	PROTOTYPE:	1095	PROTOTYPE:
1109	CODE:	1096	CODE:
…		…
1121	cede(...)	1108	cede(...)
1122	PROTOTYPE:	1109	PROTOTYPE:
1123	CODE:	1110	CODE:
1124	api_cede ();	1111	api_cede ();
1125		1112
		1113	# and these are hacks
		1114	SV *
		1115	_aio_get_state ()
		1116	CODE:
		1117	{
		1118	struct {
		1119	int errorno;
		1120	int laststype;
		1121	int laststatval;
		1122	Stat_t statcache;
		1123	} data;
		1124
		1125	data.errorno = errno;
		1126	data.laststype = PL_laststype;
		1127	data.laststatval = PL_laststatval;
		1128	data.statcache = PL_statcache;
		1129
		1130	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1131	}
		1132	OUTPUT:
		1133	RETVAL
		1134
		1135	void
		1136	_aio_set_state (char *data_)
		1137	PROTOTYPE: $
		1138	CODE:
		1139	{
		1140	struct {
		1141	int errorno;
		1142	int laststype;
		1143	int laststatval;
		1144	Stat_t statcache;
		1145	} data = (void )data_;
		1146
		1147	errno = data->errorno;
		1148	PL_laststype = data->laststype;
		1149	PL_laststatval = data->laststatval;
		1150	PL_statcache = data->statcache;
		1151	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.48 by pcg, Sat Nov 15 03:53:37 2003 UTC vs. Revision 1.79 by root, Thu Nov 2 12:29:08 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.48 by pcg, Sat Nov 15 03:53:37 2003 UTC vs.
Revision 1.79 by root, Thu Nov 2 12:29:08 2006 UTC