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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.45 by root, Tue May 27 01:15:31 2003 UTC vs.
Revision 1.75 by root, Thu Oct 26 06:50:20 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 "libcoro/coro.c"	9	#include "patchlevel.h"
6		10
		11	#if PERL_VERSION < 6
		12	# ifndef PL_ppaddr
		13	# define PL_ppaddr ppaddr
		14	# endif
		15	# ifndef call_sv
		16	# define call_sv perl_call_sv
		17	# endif
		18	# ifndef get_sv
		19	# define get_sv perl_get_sv
		20	# endif
		21	# ifndef get_cv
		22	# define get_cv perl_get_cv
		23	# endif
		24	# ifndef IS_PADGV
		25	# define IS_PADGV(v) 0
		26	# endif
		27	# ifndef IS_PADCONST
		28	# define IS_PADCONST(v) 0
		29	# endif
		30	#endif
		31
		32	#include <errno.h>
7	#include <signal.h>	33	#include <signal.h>
8		34
9	#ifdef HAVE_MMAP	35	#ifdef HAVE_MMAP
10	# include <unistd.h>	36	# include <unistd.h>
11	# include <sys/mman.h>	37	# include <sys/mman.h>
16	# undef HAVE_MMAP	42	# undef HAVE_MMAP
17	# endif	43	# endif
18	# endif	44	# endif
19	#endif	45	#endif
20		46
21	#define MAY_FLUSH /* increases codesize and is rarely used */
22
23	#define SUB_INIT "Coro::State::initialize"	47	#define SUB_INIT "Coro::State::initialize"
24	#define UCORO_STATE "_coro_state"	48	#define UCORO_STATE "_coro_state"
25		49
26	/* The next macro should declare a variable stacklevel that contains and approximation	50	/* The next macro should declare a variable stacklevel that contains and approximation
27	* to the current C stack pointer. Its property is that it changes with each call	51	* to the current C stack pointer. Its property is that it changes with each call
…		…
32		56
33	#define labs(l) ((l) >= 0 ? (l) : -(l))	57	#define labs(l) ((l) >= 0 ? (l) : -(l))
34		58
35	#include "CoroAPI.h"	59	#include "CoroAPI.h"
36		60
		61	#ifdef USE_ITHREADS
		62	static perl_mutex coro_mutex;
		63	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
		64	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
		65	#else
		66	# define LOCK (void)0
		67	# define UNLOCK (void)0
		68	#endif
		69
37	static struct CoroAPI coroapi;	70	static struct CoroAPI coroapi;
		71	static AV main_mainstack; / used to differentiate between $main and others */
		72	static HV *coro_state_stash;
		73	static SV *ucoro_state_sv;
		74	static U32 ucoro_state_hash;
		75	static SV coro_mortal; / will be freed after next transfer */
38		76
39	/* this is actually not only the c stack but also c registers etc... */	77	/* this is actually not only the c stack but also c registers etc... */
40	typedef struct {	78	typedef struct {
41	int refcnt; /* pointer reference counter */	79	int refcnt; /* pointer reference counter */
42	int usecnt; /* shared by how many coroutines */	80	int usecnt; /* shared by how many coroutines */
…		…
72	AV *mainstack;	110	AV *mainstack;
73	SV **stack_sp;	111	SV **stack_sp;
74	OP *op;	112	OP *op;
75	SV **curpad;	113	SV **curpad;
76	AV *comppad;	114	AV *comppad;
		115	CV *compcv;
77	SV **stack_base;	116	SV **stack_base;
78	SV **stack_max;	117	SV **stack_max;
79	SV **tmps_stack;	118	SV **tmps_stack;
80	I32 tmps_floor;	119	I32 tmps_floor;
81	I32 tmps_ix;	120	I32 tmps_ix;
…		…
90	I32 savestack_ix;	129	I32 savestack_ix;
91	I32 savestack_max;	130	I32 savestack_max;
92	OP **retstack;	131	OP **retstack;
93	I32 retstack_ix;	132	I32 retstack_ix;
94	I32 retstack_max;	133	I32 retstack_max;
		134	PMOP *curpm;
95	COP *curcop;	135	COP *curcop;
96	JMPENV *top_env;	136	JMPENV *top_env;
97		137
98	/* data associated with this coroutine (initial args) */	138	/* data associated with this coroutine (initial args) */
99	AV *args;	139	AV *args;
100	};	140	};
101		141
102	typedef struct coro *Coro__State;	142	typedef struct coro *Coro__State;
103	typedef struct coro *Coro__State_or_hashref;	143	typedef struct coro *Coro__State_or_hashref;
104		144
105	static AV main_mainstack; / used to differentiate between $main and others */
106	static HV *coro_state_stash;
107	static SV *ucoro_state_sv;
108	static U32 ucoro_state_hash;
109	static HV *padlist_cache;
110	static SV coro_mortal; / will be freed after next transfer */
111
112	/* mostly copied from op.c:cv_clone2 */	145	/* mostly copied from op.c:cv_clone2 */
113	STATIC AV *	146	STATIC AV *
114	clone_padlist (AV *protopadlist)	147	clone_padlist (pTHX_ AV *protopadlist)
115	{	148	{
116	AV *av;	149	AV *av;
117	I32 ix;	150	I32 ix;
118	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);	151	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
119	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);	152	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
…		…
138	av_store (newpadlist, 1, (SV *) newpad);	171	av_store (newpadlist, 1, (SV *) newpad);
139		172
140	av = newAV (); /* will be @_ */	173	av = newAV (); /* will be @_ */
141	av_extend (av, 0);	174	av_extend (av, 0);
142	av_store (newpad, 0, (SV *) av);	175	av_store (newpad, 0, (SV *) av);
143	AvFLAGS (av) = AVf_REIFY;	176	AvREIFY_on (av);
144		177
145	for (ix = fpad; ix > 0; ix--)	178	for (ix = fpad; ix > 0; ix--)
146	{	179	{
147	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;	180	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
		181
148	if (namesv && namesv != &PL_sv_undef)	182	if (namesv && namesv != &PL_sv_undef)
149	{	183	{
150	char name = SvPVX (namesv); / XXX */	184	char name = SvPVX (namesv); / XXX */
		185
151	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')	186	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
152	{ /* lexical from outside? */	187	{ /* lexical from outside? */
153	npad[ix] = SvREFCNT_inc (ppad[ix]);	188	npad[ix] = SvREFCNT_inc (ppad[ix]);
154	}	189	}
155	else	190	else
…		…
161	sv = (SV *) newAV ();	196	sv = (SV *) newAV ();
162	else if (*name == '%')	197	else if (*name == '%')
163	sv = (SV *) newHV ();	198	sv = (SV *) newHV ();
164	else	199	else
165	sv = NEWSV (0, 0);	200	sv = NEWSV (0, 0);
		201
		202	#ifdef SvPADBUSY
166	if (!SvPADBUSY (sv))	203	if (!SvPADBUSY (sv))
		204	#endif
167	SvPADMY_on (sv);	205	SvPADMY_on (sv);
		206
168	npad[ix] = sv;	207	npad[ix] = sv;
169	}	208	}
170	}	209	}
171	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))	210	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
172	{	211	{
…		…
201	#endif	240	#endif
202		241
203	return newpadlist;	242	return newpadlist;
204	}	243	}
205		244
206	#ifdef MAY_FLUSH
207	STATIC void	245	STATIC void
208	free_padlist (AV *padlist)	246	free_padlist (pTHX_ AV *padlist)
209	{	247	{
210	/* may be during global destruction */	248	/* may be during global destruction */
211	if (SvREFCNT(padlist))	249	if (SvREFCNT (padlist))
212	{	250	{
213	I32 i = AvFILLp(padlist);	251	I32 i = AvFILLp (padlist);
214	while (i >= 0)	252	while (i >= 0)
215	{	253	{
216	SV **svp = av_fetch(padlist, i--, FALSE);	254	SV **svp = av_fetch (padlist, i--, FALSE);
217	SV sv = svp ? svp : Nullsv;
218	if (sv)	255	if (svp)
		256	{
		257	SV *sv;
		258	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))
219	SvREFCNT_dec(sv);	259	SvREFCNT_dec (sv);
		260
		261	SvREFCNT_dec (*svp);
		262	}
220	}	263	}
221		264
222	SvREFCNT_dec((SV*)padlist);	265	SvREFCNT_dec ((SV*)padlist);
223	}	266	}
224	}	267	}
225	#endif	268
		269	STATIC int
		270	coro_cv_free (pTHX_ SV sv, MAGIC mg)
		271	{
		272	AV *padlist;
		273	AV av = (AV )mg->mg_obj;
		274
		275	/* casting is fun. */
		276	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
		277	free_padlist (aTHX_ padlist);
		278
		279	SvREFCNT_dec (av);
		280	}
		281
		282	#define PERL_MAGIC_coro PERL_MAGIC_ext
		283
		284	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
226		285
227	/* the next two functions merely cache the padlists */	286	/* the next two functions merely cache the padlists */
228	STATIC void	287	STATIC void
229	get_padlist (CV *cv)	288	get_padlist (pTHX_ CV *cv)
230	{	289	{
231	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 0);	290	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
232		291
233	if (he && AvFILLp ((AV )he) >= 0)	292	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
234	CvPADLIST (cv) = (AV )av_pop ((AV )*he);	293	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
235	else	294	else
236	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	295	CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));
237	}	296	}
238		297
239	STATIC void	298	STATIC void
240	put_padlist (CV *cv)	299	put_padlist (pTHX_ CV *cv)
241	{	300	{
242	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 1);	301	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
243		302
244	if (SvTYPE (*he) != SVt_PVAV)	303	if (!mg)
245	{	304	{
246	SvREFCNT_dec (*he);	305	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
		306	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
		307	mg->mg_virtual = &vtbl_coro;
247	he = (SV )newAV ();	308	mg->mg_obj = (SV *)newAV ();
248	}	309	}
249		310
250	av_push ((AV )he, (SV *)CvPADLIST (cv));	311	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));
251	}	312	}
252
253	#ifdef MAY_FLUSH
254	STATIC void
255	flush_padlist_cache ()
256	{
257	HV *hv = padlist_cache;
258	padlist_cache = newHV ();
259
260	if (hv_iterinit (hv))
261	{
262	HE *he;
263	AV *padlist;
264
265	while (!!(he = hv_iternext (hv)))
266	{
267	AV av = (AV )HeVAL(he);
268
269	/* casting is fun. */
270	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
271	free_padlist (padlist);
272	}
273	}
274
275	SvREFCNT_dec (hv);
276	}
277	#endif
278		313
279	#define SB do {	314	#define SB do {
280	#define SE } while (0)	315	#define SE } while (0)
281		316
282	#define LOAD(state) load_state(aTHX_ (state));	317	#define LOAD(state) load_state(aTHX_ (state));
283	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));	318	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
284		319
285	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE	320	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
286		321
287	static void	322	static void
288	load_state(pTHX_ Coro__State c)	323	load_state(pTHX_ Coro__State c)
289	{	324	{
290	PL_dowarn = c->dowarn;	325	PL_dowarn = c->dowarn;
…		…
295	PL_mainstack = c->mainstack;	330	PL_mainstack = c->mainstack;
296	PL_stack_sp = c->stack_sp;	331	PL_stack_sp = c->stack_sp;
297	PL_op = c->op;	332	PL_op = c->op;
298	PL_curpad = c->curpad;	333	PL_curpad = c->curpad;
299	PL_comppad = c->comppad;	334	PL_comppad = c->comppad;
		335	PL_compcv = c->compcv;
300	PL_stack_base = c->stack_base;	336	PL_stack_base = c->stack_base;
301	PL_stack_max = c->stack_max;	337	PL_stack_max = c->stack_max;
302	PL_tmps_stack = c->tmps_stack;	338	PL_tmps_stack = c->tmps_stack;
303	PL_tmps_floor = c->tmps_floor;	339	PL_tmps_floor = c->tmps_floor;
304	PL_tmps_ix = c->tmps_ix;	340	PL_tmps_ix = c->tmps_ix;
…		…
310	PL_scopestack_ix = c->scopestack_ix;	346	PL_scopestack_ix = c->scopestack_ix;
311	PL_scopestack_max = c->scopestack_max;	347	PL_scopestack_max = c->scopestack_max;
312	PL_savestack = c->savestack;	348	PL_savestack = c->savestack;
313	PL_savestack_ix = c->savestack_ix;	349	PL_savestack_ix = c->savestack_ix;
314	PL_savestack_max = c->savestack_max;	350	PL_savestack_max = c->savestack_max;
		351	#if PERL_VERSION < 9
315	PL_retstack = c->retstack;	352	PL_retstack = c->retstack;
316	PL_retstack_ix = c->retstack_ix;	353	PL_retstack_ix = c->retstack_ix;
317	PL_retstack_max = c->retstack_max;	354	PL_retstack_max = c->retstack_max;
		355	#endif
		356	PL_curpm = c->curpm;
318	PL_curcop = c->curcop;	357	PL_curcop = c->curcop;
319	PL_top_env = c->top_env;	358	PL_top_env = c->top_env;
320		359
321	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	360	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
322	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	361	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
331	{	370	{
332	AV padlist = (AV )POPs;	371	AV padlist = (AV )POPs;
333		372
334	if (padlist)	373	if (padlist)
335	{	374	{
336	put_padlist (cv); /* mark this padlist as available */	375	put_padlist (aTHX_ cv); /* mark this padlist as available */
337	CvPADLIST(cv) = padlist;	376	CvPADLIST(cv) = padlist;
338	#ifdef USE_THREADS
339	/CvOWNER(cv) = (struct perl_thread )POPs;*/
340	#endif
341	}	377	}
342		378
343	++CvDEPTH(cv);	379	++CvDEPTH(cv);
344	}	380	}
345		381
…		…
372	if (CxTYPE(cx) == CXt_SUB)	408	if (CxTYPE(cx) == CXt_SUB)
373	{	409	{
374	CV *cv = cx->blk_sub.cv;	410	CV *cv = cx->blk_sub.cv;
375	if (CvDEPTH(cv))	411	if (CvDEPTH(cv))
376	{	412	{
377	#ifdef USE_THREADS
378	/XPUSHs ((SV )CvOWNER(cv));*/
379	/CvOWNER(cv) = 0;/
380	/error must unlock this cv etc.. etc.../
381	#endif
382	EXTEND (SP, CvDEPTH(cv)*2);	413	EXTEND (SP, CvDEPTH(cv)*2);
383		414
384	while (--CvDEPTH(cv))	415	while (--CvDEPTH(cv))
385	{	416	{
386	/* this tells the restore code to increment CvDEPTH */	417	/* this tells the restore code to increment CvDEPTH */
…		…
389	}	420	}
390		421
391	PUSHs ((SV *)CvPADLIST(cv));	422	PUSHs ((SV *)CvPADLIST(cv));
392	PUSHs ((SV *)cv);	423	PUSHs ((SV *)cv);
393		424
394	get_padlist (cv); /* this is a monster */	425	get_padlist (aTHX_ cv); /* this is a monster */
395	}	426	}
396	}	427	}
		428	#ifdef CXt_FORMAT
397	else if (CxTYPE(cx) == CXt_FORMAT)	429	else if (CxTYPE(cx) == CXt_FORMAT)
398	{	430	{
399	/* I never used formats, so how should I know how these are implemented? */	431	/* I never used formats, so how should I know how these are implemented? */
400	/* my bold guess is as a simple, plain sub... */	432	/* my bold guess is as a simple, plain sub... */
401	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");	433	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
402	}	434	}
		435	#endif
403	}	436	}
404		437
405	if (top_si->si_type == PERLSI_MAIN)	438	if (top_si->si_type == PERLSI_MAIN)
406	break;	439	break;
407		440
…		…
425	c->mainstack = PL_mainstack;	458	c->mainstack = PL_mainstack;
426	c->stack_sp = PL_stack_sp;	459	c->stack_sp = PL_stack_sp;
427	c->op = PL_op;	460	c->op = PL_op;
428	c->curpad = PL_curpad;	461	c->curpad = PL_curpad;
429	c->comppad = PL_comppad;	462	c->comppad = PL_comppad;
		463	c->compcv = PL_compcv;
430	c->stack_base = PL_stack_base;	464	c->stack_base = PL_stack_base;
431	c->stack_max = PL_stack_max;	465	c->stack_max = PL_stack_max;
432	c->tmps_stack = PL_tmps_stack;	466	c->tmps_stack = PL_tmps_stack;
433	c->tmps_floor = PL_tmps_floor;	467	c->tmps_floor = PL_tmps_floor;
434	c->tmps_ix = PL_tmps_ix;	468	c->tmps_ix = PL_tmps_ix;
…		…
440	c->scopestack_ix = PL_scopestack_ix;	474	c->scopestack_ix = PL_scopestack_ix;
441	c->scopestack_max = PL_scopestack_max;	475	c->scopestack_max = PL_scopestack_max;
442	c->savestack = PL_savestack;	476	c->savestack = PL_savestack;
443	c->savestack_ix = PL_savestack_ix;	477	c->savestack_ix = PL_savestack_ix;
444	c->savestack_max = PL_savestack_max;	478	c->savestack_max = PL_savestack_max;
		479	#if PERL_VERSION < 9
445	c->retstack = PL_retstack;	480	c->retstack = PL_retstack;
446	c->retstack_ix = PL_retstack_ix;	481	c->retstack_ix = PL_retstack_ix;
447	c->retstack_max = PL_retstack_max;	482	c->retstack_max = PL_retstack_max;
		483	#endif
		484	c->curpm = PL_curpm;
448	c->curcop = PL_curcop;	485	c->curcop = PL_curcop;
449	c->top_env = PL_top_env;	486	c->top_env = PL_top_env;
450	}	487	}
451		488
452	/*	489	/*
453	* allocate various perl stacks. This is an exact copy	490	* allocate various perl stacks. This is an exact copy
454	* of perl.c:init_stacks, except that it uses less memory	491	* of perl.c:init_stacks, except that it uses less memory
455	* on the assumption that coroutines do not usually need	492	* on the (sometimes correct) assumption that coroutines do
456	* a lot of stackspace.	493	* not usually need a lot of stackspace.
457	*/	494	*/
458	STATIC void	495	STATIC void
459	coro_init_stacks (pTHX)	496	coro_init_stacks (pTHX)
460	{	497	{
		498	LOCK;
		499
461	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	500	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
462	PL_curstackinfo->si_type = PERLSI_MAIN;	501	PL_curstackinfo->si_type = PERLSI_MAIN;
463	PL_curstack = PL_curstackinfo->si_stack;	502	PL_curstack = PL_curstackinfo->si_stack;
464	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	503	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
465		504
…		…
474		513
475	New(54,PL_markstack,16,I32);	514	New(54,PL_markstack,16,I32);
476	PL_markstack_ptr = PL_markstack;	515	PL_markstack_ptr = PL_markstack;
477	PL_markstack_max = PL_markstack + 16;	516	PL_markstack_max = PL_markstack + 16;
478		517
		518	#ifdef SET_MARK_OFFSET
479	SET_MARK_OFFSET;	519	SET_MARK_OFFSET;
		520	#endif
480		521
481	New(54,PL_scopestack,16,I32);	522	New(54,PL_scopestack,16,I32);
482	PL_scopestack_ix = 0;	523	PL_scopestack_ix = 0;
483	PL_scopestack_max = 16;	524	PL_scopestack_max = 16;
484		525
485	New(54,PL_savestack,96,ANY);	526	New(54,PL_savestack,96,ANY);
486	PL_savestack_ix = 0;	527	PL_savestack_ix = 0;
487	PL_savestack_max = 96;	528	PL_savestack_max = 96;
488		529
		530	#if PERL_VERSION < 9
489	New(54,PL_retstack,8,OP*);	531	New(54,PL_retstack,8,OP*);
490	PL_retstack_ix = 0;	532	PL_retstack_ix = 0;
491	PL_retstack_max = 8;	533	PL_retstack_max = 8;
		534	#endif
		535
		536	UNLOCK;
492	}	537	}
493		538
494	/*	539	/*
495	* destroy the stacks, the callchain etc...	540	* destroy the stacks, the callchain etc...
496	* still there is a memleak of 128 bytes...
497	*/	541	*/
498	STATIC void	542	STATIC void
499	destroy_stacks(pTHX)	543	destroy_stacks(pTHX)
500	{	544	{
501	if (!IN_DESTRUCT)	545	if (!IN_DESTRUCT)
502	{	546	{
503	/* is this ugly, I ask? */	547	/* is this ugly, I ask? */
504	while (PL_scopestack_ix)	548	LEAVE_SCOPE (0);
505	LEAVE;
506		549
507	/* sure it is, but more important: is it correct?? :/ */	550	/* sure it is, but more important: is it correct?? :/ */
508	while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
509	FREETMPS;	551	FREETMPS;
		552
		553	/POPSTACK_TO (PL_mainstack);//D//use/
510	}	554	}
511		555
512	while (PL_curstackinfo->si_next)	556	while (PL_curstackinfo->si_next)
513	PL_curstackinfo = PL_curstackinfo->si_next;	557	PL_curstackinfo = PL_curstackinfo->si_next;
514		558
515	while (PL_curstackinfo)	559	while (PL_curstackinfo)
516	{	560	{
517	PERL_SI *p = PL_curstackinfo->si_prev;	561	PERL_SI *p = PL_curstackinfo->si_prev;
518		562
519	{	563	{ /D//remove/
520	dSP;	564	dSP;
521	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	565	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
522	PUTBACK; /* possibly superfluous */	566	PUTBACK; /* possibly superfluous */
523	}	567	}
524		568
525	if (!IN_DESTRUCT)	569	if (!IN_DESTRUCT)
526	{	570	{
527	dounwind(-1);	571	dounwind (-1);/D//remove/
528	SvREFCNT_dec(PL_curstackinfo->si_stack);	572	SvREFCNT_dec (PL_curstackinfo->si_stack);
529	}	573	}
530		574
531	Safefree(PL_curstackinfo->si_cxstack);	575	Safefree (PL_curstackinfo->si_cxstack);
532	Safefree(PL_curstackinfo);	576	Safefree (PL_curstackinfo);
533	PL_curstackinfo = p;	577	PL_curstackinfo = p;
534	}	578	}
535		579
536	Safefree(PL_tmps_stack);	580	Safefree (PL_tmps_stack);
537	Safefree(PL_markstack);	581	Safefree (PL_markstack);
538	Safefree(PL_scopestack);	582	Safefree (PL_scopestack);
539	Safefree(PL_savestack);	583	Safefree (PL_savestack);
		584	#if PERL_VERSION < 9
540	Safefree(PL_retstack);	585	Safefree (PL_retstack);
		586	#endif
541	}	587	}
542		588
543	static void	589	static void
544	allocate_stack (Coro__State ctx, int alloc)	590	allocate_stack (Coro__State ctx, int alloc)
545	{	591	{
…		…
548	New (0, stack, 1, coro_stack);	594	New (0, stack, 1, coro_stack);
549		595
550	stack->refcnt = 1;	596	stack->refcnt = 1;
551	stack->usecnt = 1;	597	stack->usecnt = 1;
552	stack->gencnt = ctx->gencnt = 0;	598	stack->gencnt = ctx->gencnt = 0;
		599
553	if (alloc)	600	if (alloc)
554	{	601	{
555	#if HAVE_MMAP	602	#if HAVE_MMAP
556	stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */	603	stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */
557	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	604	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
558	if (stack->sptr == (void *)-1)	605	if (stack->sptr == (void *)-1)
559	#endif	606	#endif
560	{	607	{
561	/FIXME//D//* reasonable stack size! */	608	/FIXME//D//* reasonable stack size! */
562	stack->ssize = -4096 * sizeof (long);	609	stack->ssize = - (STACKSIZE * sizeof (long));
563	New (0, stack->sptr, 4096, long);	610	New (0, stack->sptr, STACKSIZE, long);
564	}	611	}
565	}	612	}
566	else	613	else
567	stack->sptr = 0;	614	stack->sptr = 0;
568		615
…		…
582	{	629	{
583	#ifdef HAVE_MMAP	630	#ifdef HAVE_MMAP
584	if (stack->ssize > 0 && stack->sptr)	631	if (stack->ssize > 0 && stack->sptr)
585	munmap (stack->sptr, stack->ssize);	632	munmap (stack->sptr, stack->ssize);
586	else	633	else
587	#else	634	#endif
588	Safefree (stack->sptr);	635	Safefree (stack->sptr);
589	#endif	636
590	Safefree (stack);	637	Safefree (stack);
591	}	638	}
592	else if (ctx->gencnt == stack->gencnt)	639	else if (ctx->gencnt == stack->gencnt)
593	--stack->usecnt;	640	--stack->usecnt;
594	}	641	}
…		…
598	setup_coro (void *arg)	645	setup_coro (void *arg)
599	{	646	{
600	/*	647	/*
601	* emulate part of the perl startup here.	648	* emulate part of the perl startup here.
602	*/	649	*/
		650	dTHX;
603	dSP;	651	dSP;
604	Coro__State ctx = (Coro__State)arg;	652	Coro__State ctx = (Coro__State)arg;
605	SV sub_init = (SV)get_cv(SUB_INIT, FALSE);	653	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
606		654
607	coro_init_stacks (aTHX);	655	coro_init_stacks (aTHX);
608	/PL_curcop = 0;/	656	/PL_curcop = 0;/
609	/PL_in_eval = PL_in_eval;/ /* inherit */	657	/PL_in_eval = PL_in_eval;/ /* inherit */
610	SvREFCNT_dec (GvAV (PL_defgv));	658	SvREFCNT_dec (GvAV (PL_defgv));
611	GvAV (PL_defgv) = ctx->args;	659	GvAV (PL_defgv) = ctx->args; ctx->args = 0;
612		660
613	SPAGAIN;	661	SPAGAIN;
614		662
615	if (ctx->stack)	663	if (ctx->stack)
616	{	664	{
…		…
656	continue_coro (void *arg)	704	continue_coro (void *arg)
657	{	705	{
658	/*	706	/*
659	* this is a _very_ stripped down perl interpreter ;)	707	* this is a _very_ stripped down perl interpreter ;)
660	*/	708	*/
		709	dTHX;
661	Coro__State ctx = (Coro__State)arg;	710	Coro__State ctx = (Coro__State)arg;
662	JMPENV coro_start_env;	711	JMPENV coro_start_env;
663		712
664	PL_top_env = &ctx->start_env;	713	PL_top_env = &ctx->start_env;
665		714
…		…
669		718
670	abort ();	719	abort ();
671	}	720	}
672		721
673	STATIC void	722	STATIC void
674	transfer(pTHX_ struct coro prev, struct coro next, int flags)	723	transfer (pTHX_ struct coro prev, struct coro next, int flags)
675	{	724	{
676	dSTACKLEVEL;	725	dSTACKLEVEL;
677	static struct coro *xnext;
678		726
679	if (prev != next)	727	if (prev != next)
680	{	728	{
681	xnext = next;
682
683	if (next->mainstack)	729	if (next->mainstack)
684	{	730	{
		731	LOCK;
685	SAVE (prev, flags);	732	SAVE (prev, flags);
686	LOAD (next);	733	LOAD (next);
		734	UNLOCK;
687		735
688	/* mark this state as in-use */	736	/* mark this state as in-use */
689	next->mainstack = 0;	737	next->mainstack = 0;
690	next->tmps_ix = -2;	738	next->tmps_ix = -2;
691		739
…		…
710	continue_coro, (void *)next,	758	continue_coro, (void *)next,
711	next->stack->sptr, labs (next->stack->ssize));	759	next->stack->sptr, labs (next->stack->ssize));
712	}	760	}
713		761
714	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	762	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		763	prev->cursp = stacklevel;
715	/* don't add any code here */	764	/* don't add any code here */
716	}	765	}
717		766	else
		767	next->cursp = stacklevel;
718	}	768	}
719	else if (next->tmps_ix == -2)	769	else if (next->tmps_ix == -2)
720	croak ("tried to transfer to running coroutine");	770	croak ("tried to transfer to running coroutine");
721	else	771	else
722	{	772	{
		773	LOCK;
723	SAVE (prev, -1); /* first get rid of the old state */	774	SAVE (prev, -1); /* first get rid of the old state */
		775	UNLOCK;
724		776
725	if (flags & TRANSFER_SAVE_CCTXT)	777	if (flags & TRANSFER_SAVE_CCTXT)
726	{	778	{
727	if (!prev->stack)	779	if (!prev->stack)
728	allocate_stack (prev, 0);	780	allocate_stack (prev, 0);
…		…
730	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	782	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
731	{	783	{
732	PL_top_env = &next->start_env;	784	PL_top_env = &next->start_env;
733		785
734	setup_coro (next);	786	setup_coro (next);
		787	next->cursp = stacklevel;
735		788
736	prev->stack->refcnt++;	789	prev->stack->refcnt++;
737	prev->stack->usecnt++;	790	prev->stack->usecnt++;
738	next->stack = prev->stack;	791	next->stack = prev->stack;
739	next->gencnt = prev->gencnt;	792	next->gencnt = prev->gencnt;
740	}	793	}
741	else	794	else
742	{	795	{
		796	assert (!next->stack);
743	allocate_stack (next, 1);	797	allocate_stack (next, 1);
744	coro_create (&(next->stack->cctx),	798	coro_create (&(next->stack->cctx),
745	setup_coro, (void *)next,	799	setup_coro, (void *)next,
746	next->stack->sptr, labs (next->stack->ssize));	800	next->stack->sptr, labs (next->stack->ssize));
747	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	801	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		802	prev->cursp = stacklevel;
748	/* don't add any code here */	803	/* don't add any code here */
749	}	804	}
750	}	805	}
751	else	806	else
		807	{
752	setup_coro (next);	808	setup_coro (next);
		809	next->cursp = stacklevel;
		810	}
753	}	811	}
754
755	/*
756	* xnext is now either prev or next, depending on wether
757	* we switched the c stack or not. that's why I use a global
758	* variable, that should become thread-specific at one point.
759	*/
760	xnext->cursp = stacklevel;
761	}	812	}
762		813
		814	LOCK;
763	if (coro_mortal)	815	if (coro_mortal)
764	{	816	{
765	SvREFCNT_dec (coro_mortal);	817	SvREFCNT_dec (coro_mortal);
766	coro_mortal = 0;	818	coro_mortal = 0;
767	}	819	}
		820	UNLOCK;
768	}	821	}
769		822
770	#define SV_CORO(sv,func) \	823	#define SV_CORO(sv,func) \
771	do { \	824	do { \
772	if (SvROK (sv)) \	825	if (SvROK (sv)) \
773	sv = SvRV (sv); \	826	sv = SvRV (sv); \
774	\	827	\
775	if (SvTYPE(sv) == SVt_PVHV) \	828	if (SvTYPE (sv) == SVt_PVHV) \
776	{ \	829	{ \
777	HE he = hv_fetch_ent((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \	830	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
778	\	831	\
779	if (!he) \	832	if (!he) \
780	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \	833	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
781	\	834	\
782	(sv) = SvRV (HeVAL(he)); \	835	(sv) = SvRV (HeVAL(he)); \
783	} \	836	} \
784	\	837	\
785	/* must also be changed inside Coro::Cont::yield */ \	838	/* must also be changed inside Coro::Cont::yield */ \
786	if (!SvOBJECT(sv) \|\| SvSTASH(sv) != coro_state_stash) \	839	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
787	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \	840	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
788	\	841	\
789	} while(0)	842	} while(0)
790		843
791	#define SvSTATE(sv) (struct coro *)SvIV (sv)	844	#define SvSTATE(sv) INT2PTR (struct coro *, SvIV (sv))
792		845
793	static void	846	static void
794	api_transfer(pTHX_ SV prev, SV next, int flags)	847	api_transfer(pTHX_ SV prev, SV next, int flags)
795	{	848	{
796	SV_CORO (prev, "Coro::transfer");	849	SV_CORO (prev, "Coro::transfer");
797	SV_CORO (next, "Coro::transfer");	850	SV_CORO (next, "Coro::transfer");
798		851
799	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	852	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
800	}	853	}
801		854
802	/ Coro ******************************************************************/	855	/ Coro ******************************************************************/
803		856
804	#define PRIO_MAX 3	857	#define PRIO_MAX 3
…		…
812	static GV coro_current, coro_idle;	865	static GV coro_current, coro_idle;
813	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	866	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
814	static int coro_nready;	867	static int coro_nready;
815		868
816	static void	869	static void
817	coro_enq (SV *sv)	870	coro_enq (pTHX_ SV *sv)
818	{	871	{
		872	SV **xprio;
		873	int prio;
		874
819	if (SvTYPE (sv) == SVt_PVHV)	875	if (SvTYPE (sv) != SVt_PVHV)
820	{
821	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
822	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
823
824	prio = prio > PRIO_MAX ? PRIO_MAX
825	: prio < PRIO_MIN ? PRIO_MIN
826	: prio;
827
828	av_push (coro_ready [prio - PRIO_MIN], sv);
829	coro_nready++;
830
831	return;
832	}
833
834	croak ("Coro::ready tried to enqueue something that is not a coroutine");	876	croak ("Coro::ready tried to enqueue something that is not a coroutine");
		877
		878	xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
		879	prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
		880
		881	prio = prio > PRIO_MAX ? PRIO_MAX
		882	: prio < PRIO_MIN ? PRIO_MIN
		883	: prio;
		884
		885	av_push (coro_ready [prio - PRIO_MIN], sv);
		886	coro_nready++;
835	}	887	}
836		888
837	static SV *	889	static SV *
838	coro_deq (int min_prio)	890	coro_deq (pTHX_ int min_prio)
839	{	891	{
840	int prio = PRIO_MAX - PRIO_MIN;	892	int prio = PRIO_MAX - PRIO_MIN;
841		893
842	min_prio -= PRIO_MIN;	894	min_prio -= PRIO_MIN;
843	if (min_prio < 0)	895	if (min_prio < 0)
…		…
854	}	906	}
855		907
856	static void	908	static void
857	api_ready (SV *coro)	909	api_ready (SV *coro)
858	{	910	{
		911	dTHX;
		912
859	if (SvROK (coro))	913	if (SvROK (coro))
860	coro = SvRV (coro);	914	coro = SvRV (coro);
861		915
		916	LOCK;
862	coro_enq (SvREFCNT_inc (coro));	917	coro_enq (aTHX_ SvREFCNT_inc (coro));
		918	UNLOCK;
863	}	919	}
864		920
865	static void	921	static void
866	api_schedule (void)	922	api_schedule (void)
867	{	923	{
		924	dTHX;
		925
868	SV prev, next;	926	SV prev, next;
869		927
		928	LOCK;
		929
870	prev = SvRV (GvSV (coro_current));	930	prev = SvRV (GvSV (coro_current));
871	next = coro_deq (PRIO_MIN);	931	next = coro_deq (aTHX_ PRIO_MIN);
872		932
873	if (!next)	933	if (!next)
874	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	934	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
875		935
876	/* free this only after the transfer */	936	/* free this only after the transfer */
…		…
879		939
880	SvRV (GvSV (coro_current)) = next;	940	SvRV (GvSV (coro_current)) = next;
881		941
882	SV_CORO (next, "Coro::schedule");	942	SV_CORO (next, "Coro::schedule");
883		943
		944	UNLOCK;
		945
884	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	946	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
885	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	947	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
886	}	948	}
887		949
888	static void	950	static void
889	api_cede (void)	951	api_cede (void)
890	{	952	{
		953	dTHX;
		954
		955	LOCK;
891	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	956	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		957	UNLOCK;
892		958
893	api_schedule ();	959	api_schedule ();
894	}	960	}
895		961
896	MODULE = Coro::State PACKAGE = Coro::State	962	MODULE = Coro::State PACKAGE = Coro::State
897		963
898	PROTOTYPES: ENABLE	964	PROTOTYPES: ENABLE
899		965
900	BOOT:	966	BOOT:
901	{ /* {} necessary for stoopid perl-5.6.x */	967	{ /* {} necessary for stoopid perl-5.6.x */
		968	#ifdef USE_ITHREADS
		969	MUTEX_INIT (&coro_mutex);
		970	#endif
		971
902	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	972	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
903	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	973	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
904	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	974	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
905		975
906	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	976	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
907	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	977	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
908	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	978	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
909	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	979	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
910
911	if (!padlist_cache)
912	padlist_cache = newHV ();
913		980
914	main_mainstack = PL_mainstack;	981	main_mainstack = PL_mainstack;
915		982
916	coroapi.ver = CORO_API_VERSION;	983	coroapi.ver = CORO_API_VERSION;
917	coroapi.transfer = api_transfer;	984	coroapi.transfer = api_transfer;
…		…
925	Coro__State coro;	992	Coro__State coro;
926		993
927	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)	994	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)
928	croak ("Coro::State::_newprocess expects an arrayref");	995	croak ("Coro::State::_newprocess expects an arrayref");
929		996
930	New (0, coro, 1, struct coro);	997	Newz (0, coro, 1, struct coro);
931		998
932	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	999	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
933	coro->mainstack = 0; /* actual work is done inside transfer */	1000	/coro->mainstack = 0; //actual work is done inside transfer /
934	coro->stack = 0;	1001	/coro->stack = 0;/
935		1002
936	/* same as JMPENV_BOOTSTRAP */	1003	/* same as JMPENV_BOOTSTRAP */
937	/* we might be able to recycle start_env, but safe is safe */	1004	/* we might be able to recycle start_env, but safe is safe */
938	Zero(&coro->start_env, 1, JMPENV);	1005	/Zero(&coro->start_env, 1, JMPENV);/
939	coro->start_env.je_ret = -1;	1006	coro->start_env.je_ret = -1;
940	coro->start_env.je_mustcatch = TRUE;	1007	coro->start_env.je_mustcatch = TRUE;
941		1008
942	RETVAL = coro;	1009	RETVAL = coro;
943	OUTPUT:	1010	OUTPUT:
…		…
964	if (coro->mainstack && coro->mainstack != main_mainstack)	1031	if (coro->mainstack && coro->mainstack != main_mainstack)
965	{	1032	{
966	struct coro temp;	1033	struct coro temp;
967		1034
968	PUTBACK;	1035	PUTBACK;
969	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	1036	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
970	LOAD(aTHX_ coro);	1037	LOAD (aTHX_ coro);
971	SPAGAIN;	1038	SPAGAIN;
972		1039
973	destroy_stacks (aTHX);	1040	destroy_stacks (aTHX);
974		1041
975	LOAD((&temp)); /* this will get rid of defsv etc.. */	1042	LOAD ((&temp)); /* this will get rid of defsv etc.. */
976	SPAGAIN;	1043	SPAGAIN;
977		1044
978	coro->mainstack = 0;	1045	coro->mainstack = 0;
979	}	1046	}
980		1047
981	deallocate_stack (coro);	1048	deallocate_stack (coro);
982		1049	SvREFCNT_dec (coro->args);
983	Safefree (coro);	1050	Safefree (coro);
984
985	void
986	flush()
987	CODE:
988	#ifdef MAY_FLUSH
989	flush_padlist_cache ();
990	#endif
991		1051
992	void	1052	void
993	_exit(code)	1053	_exit(code)
994	int code	1054	int code
995	PROTOTYPE: $	1055	PROTOTYPE: $
996	CODE:	1056	CODE:
997	#if defined(__GLIBC__) \|\| _POSIX_C_SOURCE
998	_exit (code);	1057	_exit (code);
999	#else
1000	signal (SIGTERM, SIG_DFL);
1001	raise (SIGTERM);
1002	exit (code);
1003	#endif
1004		1058
1005	MODULE = Coro::State PACKAGE = Coro::Cont	1059	MODULE = Coro::State PACKAGE = Coro::Cont
1006		1060
1007	# this is slightly dirty (should expose a c-level api)	1061	# this is slightly dirty (should expose a c-level api)
1008		1062
1009	void	1063	void
1010	yield(...)	1064	yield(...)
1011	PROTOTYPE: @	1065	PROTOTYPE: @
1012	CODE:	1066	CODE:
1013	static SV *returnstk;	1067	SV *yieldstack;
1014	SV *sv;	1068	SV *sv;
1015	AV *defav = GvAV (PL_defgv);	1069	AV *defav = GvAV (PL_defgv);
1016	struct coro prev, next;	1070	struct coro prev, next;
1017		1071
1018	if (!returnstk)	1072	yieldstack = *hv_fetch (
1019	returnstk = SvRV (get_sv ("Coro::Cont::return", FALSE));	1073	(HV *)SvRV (GvSV (coro_current)),
		1074	"yieldstack", sizeof ("yieldstack") - 1,
		1075	0
		1076	);
1020		1077
1021	/* set up @_ -- ugly */	1078	/* set up @_ -- ugly */
1022	av_clear (defav);	1079	av_clear (defav);
1023	av_fill (defav, items - 1);	1080	av_fill (defav, items - 1);
1024	while (items--)	1081	while (items--)
1025	av_store (defav, items, SvREFCNT_inc (ST(items)));	1082	av_store (defav, items, SvREFCNT_inc (ST(items)));
1026		1083
1027	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1028	sv = av_pop ((AV *)SvRV (returnstk));	1084	sv = av_pop ((AV *)SvRV (yieldstack));
1029	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1085	prev = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0))));
1030	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1086	next = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0))));
1031	SvREFCNT_dec (sv);	1087	SvREFCNT_dec (sv);
1032		1088
1033	transfer(aTHX_ prev, next, 0);	1089	transfer (aTHX_ prev, next, 0);
1034		1090
1035	MODULE = Coro::State PACKAGE = Coro	1091	MODULE = Coro::State PACKAGE = Coro
1036		1092
1037	# this is slightly dirty (should expose a c-level api)	1093	# this is slightly dirty (should expose a c-level api)
1038		1094
…		…
1067	sv_setiv(sv, (IV)&coroapi);	1123	sv_setiv(sv, (IV)&coroapi);
1068	SvREADONLY_on(sv);	1124	SvREADONLY_on(sv);
1069	}	1125	}
1070	}	1126	}
1071		1127
		1128	#if !PERL_MICRO
		1129
1072	void	1130	void
1073	ready(self)	1131	ready(self)
1074	SV * self	1132	SV * self
1075	PROTOTYPE: $	1133	PROTOTYPE: $
1076	CODE:	1134	CODE:
1077	api_ready (self);	1135	api_ready (self);
		1136
		1137	#endif
1078		1138
1079	int	1139	int
1080	nready(...)	1140	nready(...)
1081	PROTOTYPE:	1141	PROTOTYPE:
1082	CODE:	1142	CODE:
…		…
1094	cede(...)	1154	cede(...)
1095	PROTOTYPE:	1155	PROTOTYPE:
1096	CODE:	1156	CODE:
1097	api_cede ();	1157	api_cede ();
1098		1158
		1159	# and these are hacks
		1160	SV *
		1161	_aio_get_state ()
		1162	CODE:
		1163	{
		1164	struct {
		1165	int errorno;
		1166	int laststype;
		1167	int laststatval;
		1168	Stat_t statcache;
		1169	} data;
		1170
		1171	data.errorno = errno;
		1172	data.laststype = PL_laststype;
		1173	data.laststatval = PL_laststatval;
		1174	data.statcache = PL_statcache;
		1175
		1176	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1177	}
		1178	OUTPUT:
		1179	RETVAL
		1180
		1181	void
		1182	_aio_set_state (char *data_)
		1183	PROTOTYPE: $
		1184	CODE:
		1185	{
		1186	struct {
		1187	int errorno;
		1188	int laststype;
		1189	int laststatval;
		1190	Stat_t statcache;
		1191	} data = (void )data_;
		1192
		1193	errno = data->errorno;
		1194	PL_laststype = data->laststype;
		1195	PL_laststatval = data->laststatval;
		1196	PL_statcache = data->statcache;
		1197	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.45 by root, Tue May 27 01:15:31 2003 UTC vs. Revision 1.75 by root, Thu Oct 26 06:50:20 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.45 by root, Tue May 27 01:15:31 2003 UTC vs.
Revision 1.75 by root, Thu Oct 26 06:50:20 2006 UTC