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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.42 by root, Mon Dec 31 20:41:45 2001 UTC vs.
Revision 1.70 by root, Mon Dec 26 19:26:52 2005 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 */
…		…
47	void *sptr;	85	void *sptr;
48	long ssize; /* positive == mmap, otherwise malloc */	86	long ssize; /* positive == mmap, otherwise malloc */
49	} coro_stack;	87	} coro_stack;
50		88
51	struct coro {	89	struct coro {
		90	/* the top-level JMPENV for each coroutine, needed to catch dies. */
		91	JMPENV start_env;
		92
52	/* the optional C context */	93	/* the optional C context */
53	coro_stack *stack;	94	coro_stack *stack;
54	void *cursp;	95	void *cursp;
55	int gencnt;	96	int gencnt;
56		97
…		…
68	AV *curstack;	109	AV *curstack;
69	AV *mainstack;	110	AV *mainstack;
70	SV **stack_sp;	111	SV **stack_sp;
71	OP *op;	112	OP *op;
72	SV **curpad;	113	SV **curpad;
		114	AV *comppad;
		115	CV *compcv;
73	SV **stack_base;	116	SV **stack_base;
74	SV **stack_max;	117	SV **stack_max;
75	SV **tmps_stack;	118	SV **tmps_stack;
76	I32 tmps_floor;	119	I32 tmps_floor;
77	I32 tmps_ix;	120	I32 tmps_ix;
…		…
86	I32 savestack_ix;	129	I32 savestack_ix;
87	I32 savestack_max;	130	I32 savestack_max;
88	OP **retstack;	131	OP **retstack;
89	I32 retstack_ix;	132	I32 retstack_ix;
90	I32 retstack_max;	133	I32 retstack_max;
		134	PMOP *curpm;
91	COP *curcop;	135	COP *curcop;
92	JMPENV *top_env;	136	JMPENV *top_env;
93		137
94	/* data associated with this coroutine (initial args) */	138	/* data associated with this coroutine (initial args) */
95	AV *args;	139	AV *args;
96	};	140	};
97		141
98	typedef struct coro *Coro__State;	142	typedef struct coro *Coro__State;
99	typedef struct coro *Coro__State_or_hashref;	143	typedef struct coro *Coro__State_or_hashref;
100		144
101	static AV main_mainstack; / used to differentiate between $main and others */
102	static HV *coro_state_stash;
103	static SV *ucoro_state_sv;
104	static U32 ucoro_state_hash;
105	static HV *padlist_cache;
106	static SV coro_mortal; / will be freed after next transfer */
107
108	/* mostly copied from op.c:cv_clone2 */	145	/* mostly copied from op.c:cv_clone2 */
109	STATIC AV *	146	STATIC AV *
110	clone_padlist (AV *protopadlist)	147	clone_padlist (pTHX_ AV *protopadlist)
111	{	148	{
112	AV *av;	149	AV *av;
113	I32 ix;	150	I32 ix;
114	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);	151	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
115	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);	152	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
…		…
139	AvFLAGS (av) = AVf_REIFY;	176	AvFLAGS (av) = AVf_REIFY;
140		177
141	for (ix = fpad; ix > 0; ix--)	178	for (ix = fpad; ix > 0; ix--)
142	{	179	{
143	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;	180	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
		181
144	if (namesv && namesv != &PL_sv_undef)	182	if (namesv && namesv != &PL_sv_undef)
145	{	183	{
146	char name = SvPVX (namesv); / XXX */	184	char name = SvPVX (namesv); / XXX */
		185
147	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')	186	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
148	{ /* lexical from outside? */	187	{ /* lexical from outside? */
149	npad[ix] = SvREFCNT_inc (ppad[ix]);	188	npad[ix] = SvREFCNT_inc (ppad[ix]);
150	}	189	}
151	else	190	else
…		…
157	sv = (SV *) newAV ();	196	sv = (SV *) newAV ();
158	else if (*name == '%')	197	else if (*name == '%')
159	sv = (SV *) newHV ();	198	sv = (SV *) newHV ();
160	else	199	else
161	sv = NEWSV (0, 0);	200	sv = NEWSV (0, 0);
		201
		202	#ifdef SvPADBUSY
162	if (!SvPADBUSY (sv))	203	if (!SvPADBUSY (sv))
		204	#endif
163	SvPADMY_on (sv);	205	SvPADMY_on (sv);
		206
164	npad[ix] = sv;	207	npad[ix] = sv;
165	}	208	}
166	}	209	}
167	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))	210	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
168	{	211	{
…		…
197	#endif	240	#endif
198		241
199	return newpadlist;	242	return newpadlist;
200	}	243	}
201		244
202	#ifdef MAY_FLUSH
203	STATIC void	245	STATIC void
204	free_padlist (AV *padlist)	246	free_padlist (pTHX_ AV *padlist)
205	{	247	{
206	/* may be during global destruction */	248	/* may be during global destruction */
207	if (SvREFCNT(padlist))	249	if (SvREFCNT (padlist))
208	{	250	{
209	I32 i = AvFILLp(padlist);	251	I32 i = AvFILLp (padlist);
210	while (i >= 0)	252	while (i >= 0)
211	{	253	{
212	SV **svp = av_fetch(padlist, i--, FALSE);	254	SV **svp = av_fetch (padlist, i--, FALSE);
213	SV sv = svp ? svp : Nullsv;
214	if (sv)	255	if (svp)
		256	{
		257	SV *sv;
		258	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))
215	SvREFCNT_dec(sv);	259	SvREFCNT_dec (sv);
		260
		261	SvREFCNT_dec (*svp);
		262	}
216	}	263	}
217		264
218	SvREFCNT_dec((SV*)padlist);	265	SvREFCNT_dec ((SV*)padlist);
219	}	266	}
220	}	267	}
221	#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};
222		285
223	/* the next two functions merely cache the padlists */	286	/* the next two functions merely cache the padlists */
224	STATIC void	287	STATIC void
225	get_padlist (CV *cv)	288	get_padlist (pTHX_ CV *cv)
226	{	289	{
227	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 0);	290	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
228		291
229	if (he && AvFILLp ((AV )he) >= 0)	292	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
230	CvPADLIST (cv) = (AV )av_pop ((AV )*he);	293	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
231	else	294	else
232	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	295	CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));
233	}	296	}
234		297
235	STATIC void	298	STATIC void
236	put_padlist (CV *cv)	299	put_padlist (pTHX_ CV *cv)
237	{	300	{
238	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 1);	301	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
239		302
240	if (SvTYPE (*he) != SVt_PVAV)	303	if (!mg)
241	{	304	{
242	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;
243	he = (SV )newAV ();	308	mg->mg_obj = (SV *)newAV ();
244	}	309	}
245		310
246	av_push ((AV )he, (SV *)CvPADLIST (cv));	311	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));
247	}	312	}
248
249	#ifdef MAY_FLUSH
250	STATIC void
251	flush_padlist_cache ()
252	{
253	HV *hv = padlist_cache;
254	padlist_cache = newHV ();
255
256	if (hv_iterinit (hv))
257	{
258	HE *he;
259	AV *padlist;
260
261	while (!!(he = hv_iternext (hv)))
262	{
263	AV av = (AV )HeVAL(he);
264
265	/* casting is fun. */
266	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
267	free_padlist (padlist);
268	}
269	}
270
271	SvREFCNT_dec (hv);
272	}
273	#endif
274		313
275	#define SB do {	314	#define SB do {
276	#define SE } while (0)	315	#define SE } while (0)
277		316
278	#define LOAD(state) load_state(aTHX_ (state));	317	#define LOAD(state) load_state(aTHX_ (state));
279	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));	318	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
280		319
281	#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
282		321
283	static void	322	static void
284	load_state(pTHX_ Coro__State c)	323	load_state(pTHX_ Coro__State c)
285	{	324	{
286	PL_dowarn = c->dowarn;	325	PL_dowarn = c->dowarn;
…		…
290	PL_curstack = c->curstack;	329	PL_curstack = c->curstack;
291	PL_mainstack = c->mainstack;	330	PL_mainstack = c->mainstack;
292	PL_stack_sp = c->stack_sp;	331	PL_stack_sp = c->stack_sp;
293	PL_op = c->op;	332	PL_op = c->op;
294	PL_curpad = c->curpad;	333	PL_curpad = c->curpad;
		334	PL_comppad = c->comppad;
		335	PL_compcv = c->compcv;
295	PL_stack_base = c->stack_base;	336	PL_stack_base = c->stack_base;
296	PL_stack_max = c->stack_max;	337	PL_stack_max = c->stack_max;
297	PL_tmps_stack = c->tmps_stack;	338	PL_tmps_stack = c->tmps_stack;
298	PL_tmps_floor = c->tmps_floor;	339	PL_tmps_floor = c->tmps_floor;
299	PL_tmps_ix = c->tmps_ix;	340	PL_tmps_ix = c->tmps_ix;
…		…
308	PL_savestack_ix = c->savestack_ix;	349	PL_savestack_ix = c->savestack_ix;
309	PL_savestack_max = c->savestack_max;	350	PL_savestack_max = c->savestack_max;
310	PL_retstack = c->retstack;	351	PL_retstack = c->retstack;
311	PL_retstack_ix = c->retstack_ix;	352	PL_retstack_ix = c->retstack_ix;
312	PL_retstack_max = c->retstack_max;	353	PL_retstack_max = c->retstack_max;
		354	PL_curpm = c->curpm;
313	PL_curcop = c->curcop;	355	PL_curcop = c->curcop;
314	PL_top_env = c->top_env;	356	PL_top_env = c->top_env;
315		357
316	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	358	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
317	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	359	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
326	{	368	{
327	AV padlist = (AV )POPs;	369	AV padlist = (AV )POPs;
328		370
329	if (padlist)	371	if (padlist)
330	{	372	{
331	put_padlist (cv); /* mark this padlist as available */	373	put_padlist (aTHX_ cv); /* mark this padlist as available */
332	CvPADLIST(cv) = padlist;	374	CvPADLIST(cv) = padlist;
333	#ifdef USE_THREADS
334	/CvOWNER(cv) = (struct perl_thread )POPs;*/
335	#endif
336	}	375	}
337		376
338	++CvDEPTH(cv);	377	++CvDEPTH(cv);
339	}	378	}
340		379
…		…
367	if (CxTYPE(cx) == CXt_SUB)	406	if (CxTYPE(cx) == CXt_SUB)
368	{	407	{
369	CV *cv = cx->blk_sub.cv;	408	CV *cv = cx->blk_sub.cv;
370	if (CvDEPTH(cv))	409	if (CvDEPTH(cv))
371	{	410	{
372	#ifdef USE_THREADS
373	/XPUSHs ((SV )CvOWNER(cv));*/
374	/CvOWNER(cv) = 0;/
375	/error must unlock this cv etc.. etc.../
376	#endif
377	EXTEND (SP, CvDEPTH(cv)*2);	411	EXTEND (SP, CvDEPTH(cv)*2);
378		412
379	while (--CvDEPTH(cv))	413	while (--CvDEPTH(cv))
380	{	414	{
381	/* this tells the restore code to increment CvDEPTH */	415	/* this tells the restore code to increment CvDEPTH */
…		…
384	}	418	}
385		419
386	PUSHs ((SV *)CvPADLIST(cv));	420	PUSHs ((SV *)CvPADLIST(cv));
387	PUSHs ((SV *)cv);	421	PUSHs ((SV *)cv);
388		422
389	get_padlist (cv); /* this is a monster */	423	get_padlist (aTHX_ cv); /* this is a monster */
390	}	424	}
391	}	425	}
		426	#ifdef CXt_FORMAT
392	else if (CxTYPE(cx) == CXt_FORMAT)	427	else if (CxTYPE(cx) == CXt_FORMAT)
393	{	428	{
394	/* I never used formats, so how should I know how these are implemented? */	429	/* I never used formats, so how should I know how these are implemented? */
395	/* my bold guess is as a simple, plain sub... */	430	/* my bold guess is as a simple, plain sub... */
396	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");	431	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
397	}	432	}
		433	#endif
398	}	434	}
399		435
400	if (top_si->si_type == PERLSI_MAIN)	436	if (top_si->si_type == PERLSI_MAIN)
401	break;	437	break;
402		438
…		…
419	c->curstack = PL_curstack;	455	c->curstack = PL_curstack;
420	c->mainstack = PL_mainstack;	456	c->mainstack = PL_mainstack;
421	c->stack_sp = PL_stack_sp;	457	c->stack_sp = PL_stack_sp;
422	c->op = PL_op;	458	c->op = PL_op;
423	c->curpad = PL_curpad;	459	c->curpad = PL_curpad;
		460	c->comppad = PL_comppad;
		461	c->compcv = PL_compcv;
424	c->stack_base = PL_stack_base;	462	c->stack_base = PL_stack_base;
425	c->stack_max = PL_stack_max;	463	c->stack_max = PL_stack_max;
426	c->tmps_stack = PL_tmps_stack;	464	c->tmps_stack = PL_tmps_stack;
427	c->tmps_floor = PL_tmps_floor;	465	c->tmps_floor = PL_tmps_floor;
428	c->tmps_ix = PL_tmps_ix;	466	c->tmps_ix = PL_tmps_ix;
…		…
437	c->savestack_ix = PL_savestack_ix;	475	c->savestack_ix = PL_savestack_ix;
438	c->savestack_max = PL_savestack_max;	476	c->savestack_max = PL_savestack_max;
439	c->retstack = PL_retstack;	477	c->retstack = PL_retstack;
440	c->retstack_ix = PL_retstack_ix;	478	c->retstack_ix = PL_retstack_ix;
441	c->retstack_max = PL_retstack_max;	479	c->retstack_max = PL_retstack_max;
		480	c->curpm = PL_curpm;
442	c->curcop = PL_curcop;	481	c->curcop = PL_curcop;
443	c->top_env = PL_top_env;	482	c->top_env = PL_top_env;
444	}	483	}
445		484
446	/*	485	/*
447	* allocate various perl stacks. This is an exact copy	486	* allocate various perl stacks. This is an exact copy
448	* of perl.c:init_stacks, except that it uses less memory	487	* of perl.c:init_stacks, except that it uses less memory
449	* on the assumption that coroutines do not usually need	488	* on the (sometimes correct) assumption that coroutines do
450	* a lot of stackspace.	489	* not usually need a lot of stackspace.
451	*/	490	*/
452	STATIC void	491	STATIC void
453	coro_init_stacks (pTHX)	492	coro_init_stacks (pTHX)
454	{	493	{
		494	LOCK;
		495
455	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	496	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
456	PL_curstackinfo->si_type = PERLSI_MAIN;	497	PL_curstackinfo->si_type = PERLSI_MAIN;
457	PL_curstack = PL_curstackinfo->si_stack;	498	PL_curstack = PL_curstackinfo->si_stack;
458	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	499	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
459		500
…		…
468		509
469	New(54,PL_markstack,16,I32);	510	New(54,PL_markstack,16,I32);
470	PL_markstack_ptr = PL_markstack;	511	PL_markstack_ptr = PL_markstack;
471	PL_markstack_max = PL_markstack + 16;	512	PL_markstack_max = PL_markstack + 16;
472		513
		514	#ifdef SET_MARK_OFFSET
473	SET_MARK_OFFSET;	515	SET_MARK_OFFSET;
		516	#endif
474		517
475	New(54,PL_scopestack,16,I32);	518	New(54,PL_scopestack,16,I32);
476	PL_scopestack_ix = 0;	519	PL_scopestack_ix = 0;
477	PL_scopestack_max = 16;	520	PL_scopestack_max = 16;
478		521
…		…
481	PL_savestack_max = 96;	524	PL_savestack_max = 96;
482		525
483	New(54,PL_retstack,8,OP*);	526	New(54,PL_retstack,8,OP*);
484	PL_retstack_ix = 0;	527	PL_retstack_ix = 0;
485	PL_retstack_max = 8;	528	PL_retstack_max = 8;
		529
		530	UNLOCK;
486	}	531	}
487		532
488	/*	533	/*
489	* destroy the stacks, the callchain etc...	534	* destroy the stacks, the callchain etc...
490	* still there is a memleak of 128 bytes...
491	*/	535	*/
492	STATIC void	536	STATIC void
493	destroy_stacks(pTHX)	537	destroy_stacks(pTHX)
494	{	538	{
495	if (!IN_DESTRUCT)	539	if (!IN_DESTRUCT)
496	{	540	{
497	/* is this ugly, I ask? */	541	/* is this ugly, I ask? */
498	while (PL_scopestack_ix)	542	LEAVE_SCOPE (0);
499	LEAVE;
500		543
501	/* sure it is, but more important: is it correct?? :/ */	544	/* sure it is, but more important: is it correct?? :/ */
502	while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
503	FREETMPS;	545	FREETMPS;
		546
		547	/POPSTACK_TO (PL_mainstack);//D//use/
504	}	548	}
505		549
506	while (PL_curstackinfo->si_next)	550	while (PL_curstackinfo->si_next)
507	PL_curstackinfo = PL_curstackinfo->si_next;	551	PL_curstackinfo = PL_curstackinfo->si_next;
508		552
509	while (PL_curstackinfo)	553	while (PL_curstackinfo)
510	{	554	{
511	PERL_SI *p = PL_curstackinfo->si_prev;	555	PERL_SI *p = PL_curstackinfo->si_prev;
512		556
513	{	557	{ /D//remove/
514	dSP;	558	dSP;
515	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	559	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
516	PUTBACK; /* possibly superfluous */	560	PUTBACK; /* possibly superfluous */
517	}	561	}
518		562
519	if (!IN_DESTRUCT)	563	if (!IN_DESTRUCT)
520	{	564	{
521	dounwind(-1);	565	dounwind (-1);/D//remove/
522	SvREFCNT_dec(PL_curstackinfo->si_stack);	566	SvREFCNT_dec (PL_curstackinfo->si_stack);
523	}	567	}
524		568
525	Safefree(PL_curstackinfo->si_cxstack);	569	Safefree (PL_curstackinfo->si_cxstack);
526	Safefree(PL_curstackinfo);	570	Safefree (PL_curstackinfo);
527	PL_curstackinfo = p;	571	PL_curstackinfo = p;
528	}	572	}
529		573
530	Safefree(PL_tmps_stack);	574	Safefree (PL_tmps_stack);
531	Safefree(PL_markstack);	575	Safefree (PL_markstack);
532	Safefree(PL_scopestack);	576	Safefree (PL_scopestack);
533	Safefree(PL_savestack);	577	Safefree (PL_savestack);
534	Safefree(PL_retstack);	578	Safefree (PL_retstack);
535	}	579	}
536		580
537	static void	581	static void
538	allocate_stack (Coro__State ctx, int alloc)	582	allocate_stack (Coro__State ctx, int alloc)
539	{	583	{
…		…
542	New (0, stack, 1, coro_stack);	586	New (0, stack, 1, coro_stack);
543		587
544	stack->refcnt = 1;	588	stack->refcnt = 1;
545	stack->usecnt = 1;	589	stack->usecnt = 1;
546	stack->gencnt = ctx->gencnt = 0;	590	stack->gencnt = ctx->gencnt = 0;
		591
547	if (alloc)	592	if (alloc)
548	{	593	{
549	#if HAVE_MMAP	594	#if HAVE_MMAP
550	stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */	595	stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */
551	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	596	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
552	if (stack->sptr == (void *)-1)	597	if (stack->sptr == (void *)-1)
553	#endif	598	#endif
554	{	599	{
555	/FIXME//D//* reasonable stack size! */	600	/FIXME//D//* reasonable stack size! */
556	stack->ssize = -4096 * sizeof (long);	601	stack->ssize = - (STACKSIZE * sizeof (long));
557	New (0, stack->sptr, 4096, long);	602	New (0, stack->sptr, STACKSIZE, long);
558	}	603	}
559	}	604	}
560	else	605	else
561	stack->sptr = 0;	606	stack->sptr = 0;
562		607
…		…
576	{	621	{
577	#ifdef HAVE_MMAP	622	#ifdef HAVE_MMAP
578	if (stack->ssize > 0 && stack->sptr)	623	if (stack->ssize > 0 && stack->sptr)
579	munmap (stack->sptr, stack->ssize);	624	munmap (stack->sptr, stack->ssize);
580	else	625	else
581	#else	626	#endif
582	Safefree (stack->sptr);	627	Safefree (stack->sptr);
583	#endif	628
584	Safefree (stack);	629	Safefree (stack);
585	}	630	}
586	else if (ctx->gencnt == stack->gencnt)	631	else if (ctx->gencnt == stack->gencnt)
587	--stack->usecnt;	632	--stack->usecnt;
588	}	633	}
…		…
592	setup_coro (void *arg)	637	setup_coro (void *arg)
593	{	638	{
594	/*	639	/*
595	* emulate part of the perl startup here.	640	* emulate part of the perl startup here.
596	*/	641	*/
		642	dTHX;
597	dSP;	643	dSP;
598	Coro__State ctx = (Coro__State)arg;	644	Coro__State ctx = (Coro__State)arg;
599	SV sub_init = (SV)get_cv(SUB_INIT, FALSE);	645	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
600		646
601	coro_init_stacks (aTHX);	647	coro_init_stacks (aTHX);
602	/PL_curcop = 0;/	648	/PL_curcop = 0;/
603	/PL_in_eval = PL_in_eval;/ /* inherit */	649	/PL_in_eval = PL_in_eval;/ /* inherit */
604	SvREFCNT_dec (GvAV (PL_defgv));	650	SvREFCNT_dec (GvAV (PL_defgv));
605	GvAV (PL_defgv) = ctx->args;	651	GvAV (PL_defgv) = ctx->args; ctx->args = 0;
606		652
607	SPAGAIN;	653	SPAGAIN;
608		654
609	if (ctx->stack)	655	if (ctx->stack)
610	{	656	{
…		…
637	* that doesn't matter, though, since it is only	683	* that doesn't matter, though, since it is only
638	* pp_nextstate and we never return...	684	* pp_nextstate and we never return...
639	* ah yes, and I don't care anyways ;)	685	* ah yes, and I don't care anyways ;)
640	*/	686	*/
641	PUTBACK;	687	PUTBACK;
642	PL_op = PL_ppaddr[OP_ENTERSUB]();	688	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
643	SPAGAIN;	689	SPAGAIN;
644		690
645	ENTER; /* necessary e.g. for dounwind */	691	ENTER; /* necessary e.g. for dounwind */
646	}	692	}
647	}	693	}
…		…
650	continue_coro (void *arg)	696	continue_coro (void *arg)
651	{	697	{
652	/*	698	/*
653	* this is a _very_ stripped down perl interpreter ;)	699	* this is a _very_ stripped down perl interpreter ;)
654	*/	700	*/
		701	dTHX;
655	Coro__State ctx = (Coro__State)arg;	702	Coro__State ctx = (Coro__State)arg;
656	JMPENV coro_start_env;	703	JMPENV coro_start_env;
657		704
658	/* same as JMPENV_BOOTSTRAP */
659	Zero(&coro_start_env, 1, JMPENV);
660	coro_start_env.je_ret = -1;
661	coro_start_env.je_mustcatch = TRUE;
662	PL_top_env = &coro_start_env;	705	PL_top_env = &ctx->start_env;
663		706
664	ctx->cursp = 0;	707	ctx->cursp = 0;
665	PL_op = PL_op->op_next;	708	PL_op = PL_op->op_next;
666	CALLRUNOPS(aTHX);	709	CALLRUNOPS(aTHX);
667		710
668	abort ();	711	abort ();
669	}	712	}
670		713
671	STATIC void	714	STATIC void
672	transfer(pTHX_ struct coro prev, struct coro next, int flags)	715	transfer (pTHX_ struct coro prev, struct coro next, int flags)
673	{	716	{
674	dSTACKLEVEL;	717	dSTACKLEVEL;
675	static struct coro *xnext;
676		718
677	if (prev != next)	719	if (prev != next)
678	{	720	{
679	xnext = next;
680
681	if (next->mainstack)	721	if (next->mainstack)
682	{	722	{
		723	LOCK;
683	SAVE (prev, flags);	724	SAVE (prev, flags);
684	LOAD (next);	725	LOAD (next);
		726	UNLOCK;
685		727
686	/* mark this state as in-use */	728	/* mark this state as in-use */
687	next->mainstack = 0;	729	next->mainstack = 0;
688	next->tmps_ix = -2;	730	next->tmps_ix = -2;
689		731
…		…
708	continue_coro, (void *)next,	750	continue_coro, (void *)next,
709	next->stack->sptr, labs (next->stack->ssize));	751	next->stack->sptr, labs (next->stack->ssize));
710	}	752	}
711		753
712	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	754	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		755	prev->cursp = stacklevel;
713	/* don't add any code here */	756	/* don't add any code here */
714	}	757	}
715		758	else
		759	next->cursp = stacklevel;
716	}	760	}
717	else if (next->tmps_ix == -2)	761	else if (next->tmps_ix == -2)
718	croak ("tried to transfer to running coroutine");	762	croak ("tried to transfer to running coroutine");
719	else	763	else
720	{	764	{
		765	LOCK;
721	SAVE (prev, -1); /* first get rid of the old state */	766	SAVE (prev, -1); /* first get rid of the old state */
		767	UNLOCK;
722		768
723	if (flags & TRANSFER_SAVE_CCTXT)	769	if (flags & TRANSFER_SAVE_CCTXT)
724	{	770	{
725	if (!prev->stack)	771	if (!prev->stack)
726	allocate_stack (prev, 0);	772	allocate_stack (prev, 0);
727		773
728	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	774	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
729	{	775	{
		776	PL_top_env = &next->start_env;
		777
730	setup_coro (next);	778	setup_coro (next);
		779	next->cursp = stacklevel;
731		780
732	prev->stack->refcnt++;	781	prev->stack->refcnt++;
733	prev->stack->usecnt++;	782	prev->stack->usecnt++;
734	next->stack = prev->stack;	783	next->stack = prev->stack;
735	next->gencnt = prev->gencnt;	784	next->gencnt = prev->gencnt;
736	}	785	}
737	else	786	else
738	{	787	{
		788	assert (!next->stack);
739	allocate_stack (next, 1);	789	allocate_stack (next, 1);
740	coro_create (&(next->stack->cctx),	790	coro_create (&(next->stack->cctx),
741	setup_coro, (void *)next,	791	setup_coro, (void *)next,
742	next->stack->sptr, labs (next->stack->ssize));	792	next->stack->sptr, labs (next->stack->ssize));
743	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	793	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		794	prev->cursp = stacklevel;
744	/* don't add any code here */	795	/* don't add any code here */
745	}	796	}
746	}	797	}
747	else	798	else
		799	{
748	setup_coro (next);	800	setup_coro (next);
		801	next->cursp = stacklevel;
		802	}
749	}	803	}
750
751	/*
752	* xnext is now either prev or next, depending on wether
753	* we switched the c stack or not. that's why I use a global
754	* variable, that should become thread-specific at one point.
755	*/
756	xnext->cursp = stacklevel;
757	}	804	}
758		805
		806	LOCK;
759	if (coro_mortal)	807	if (coro_mortal)
760	{	808	{
761	SvREFCNT_dec (coro_mortal);	809	SvREFCNT_dec (coro_mortal);
762	coro_mortal = 0;	810	coro_mortal = 0;
763	}	811	}
		812	UNLOCK;
764	}	813	}
765		814
766	#define SV_CORO(sv,func) \	815	#define SV_CORO(sv,func) \
767	do { \	816	do { \
768	if (SvROK (sv)) \	817	if (SvROK (sv)) \
769	sv = SvRV (sv); \	818	sv = SvRV (sv); \
770	\	819	\
771	if (SvTYPE(sv) == SVt_PVHV) \	820	if (SvTYPE (sv) == SVt_PVHV) \
772	{ \	821	{ \
773	HE he = hv_fetch_ent((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \	822	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
774	\	823	\
775	if (!he) \	824	if (!he) \
776	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \	825	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
777	\	826	\
778	(sv) = SvRV (HeVAL(he)); \	827	(sv) = SvRV (HeVAL(he)); \
779	} \	828	} \
780	\	829	\
781	/* must also be changed inside Coro::Cont::yield */ \	830	/* must also be changed inside Coro::Cont::yield */ \
782	if (!SvOBJECT(sv) \|\| SvSTASH(sv) != coro_state_stash) \	831	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
783	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \	832	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
784	\	833	\
785	} while(0)	834	} while(0)
786		835
787	#define SvSTATE(sv) (struct coro *)SvIV (sv)	836	#define SvSTATE(sv) (struct coro *)SvIV (sv)
…		…
790	api_transfer(pTHX_ SV prev, SV next, int flags)	839	api_transfer(pTHX_ SV prev, SV next, int flags)
791	{	840	{
792	SV_CORO (prev, "Coro::transfer");	841	SV_CORO (prev, "Coro::transfer");
793	SV_CORO (next, "Coro::transfer");	842	SV_CORO (next, "Coro::transfer");
794		843
795	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	844	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
796	}	845	}
797		846
798	/ Coro ******************************************************************/	847	/ Coro ******************************************************************/
799		848
800	#define PRIO_MAX 3	849	#define PRIO_MAX 3
…		…
808	static GV coro_current, coro_idle;	857	static GV coro_current, coro_idle;
809	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	858	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
810	static int coro_nready;	859	static int coro_nready;
811		860
812	static void	861	static void
813	coro_enq (SV *sv)	862	coro_enq (pTHX_ SV *sv)
814	{	863	{
815	if (SvTYPE (sv) == SVt_PVHV)	864	if (SvTYPE (sv) == SVt_PVHV)
816	{	865	{
817	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);	866	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
818	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;	867	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
…		…
829		878
830	croak ("Coro::ready tried to enqueue something that is not a coroutine");	879	croak ("Coro::ready tried to enqueue something that is not a coroutine");
831	}	880	}
832		881
833	static SV *	882	static SV *
834	coro_deq (int min_prio)	883	coro_deq (pTHX_ int min_prio)
835	{	884	{
836	int prio = PRIO_MAX - PRIO_MIN;	885	int prio = PRIO_MAX - PRIO_MIN;
837		886
838	min_prio -= PRIO_MIN;	887	min_prio -= PRIO_MIN;
839	if (min_prio < 0)	888	if (min_prio < 0)
…		…
850	}	899	}
851		900
852	static void	901	static void
853	api_ready (SV *coro)	902	api_ready (SV *coro)
854	{	903	{
		904	dTHX;
		905
855	if (SvROK (coro))	906	if (SvROK (coro))
856	coro = SvRV (coro);	907	coro = SvRV (coro);
857		908
		909	LOCK;
858	coro_enq (SvREFCNT_inc (coro));	910	coro_enq (aTHX_ SvREFCNT_inc (coro));
		911	UNLOCK;
859	}	912	}
860		913
861	static void	914	static void
862	api_schedule (void)	915	api_schedule (void)
863	{	916	{
		917	dTHX;
		918
864	SV prev, next;	919	SV prev, next;
865		920
		921	LOCK;
		922
866	prev = SvRV (GvSV (coro_current));	923	prev = SvRV (GvSV (coro_current));
867	next = coro_deq (PRIO_MIN);	924	next = coro_deq (aTHX_ PRIO_MIN);
868		925
869	if (!next)	926	if (!next)
870	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	927	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
871		928
872	/* free this only after the transfer */	929	/* free this only after the transfer */
…		…
875		932
876	SvRV (GvSV (coro_current)) = next;	933	SvRV (GvSV (coro_current)) = next;
877		934
878	SV_CORO (next, "Coro::schedule");	935	SV_CORO (next, "Coro::schedule");
879		936
		937	UNLOCK;
		938
880	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	939	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
881	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	940	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
882	}	941	}
883		942
884	static void	943	static void
885	api_cede (void)	944	api_cede (void)
886	{	945	{
		946	dTHX;
		947
		948	LOCK;
887	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	949	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		950	UNLOCK;
888		951
889	api_schedule ();	952	api_schedule ();
890	}	953	}
891		954
892	MODULE = Coro::State PACKAGE = Coro::State	955	MODULE = Coro::State PACKAGE = Coro::State
893		956
894	PROTOTYPES: ENABLE	957	PROTOTYPES: ENABLE
895		958
896	BOOT:	959	BOOT:
897	{ /* {} necessary for stoopid perl-5.6.x */	960	{ /* {} necessary for stoopid perl-5.6.x */
		961	#ifdef USE_ITHREADS
		962	MUTEX_INIT (&coro_mutex);
		963	#endif
		964
898	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	965	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
899	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	966	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
900	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	967	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
901		968
902	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	969	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
903	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	970	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
904	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	971	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
905	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	972	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
906
907	if (!padlist_cache)
908	padlist_cache = newHV ();
909		973
910	main_mainstack = PL_mainstack;	974	main_mainstack = PL_mainstack;
911		975
912	coroapi.ver = CORO_API_VERSION;	976	coroapi.ver = CORO_API_VERSION;
913	coroapi.transfer = api_transfer;	977	coroapi.transfer = api_transfer;
…		…
921	Coro__State coro;	985	Coro__State coro;
922		986
923	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)	987	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)
924	croak ("Coro::State::_newprocess expects an arrayref");	988	croak ("Coro::State::_newprocess expects an arrayref");
925		989
926	New (0, coro, 1, struct coro);	990	Newz (0, coro, 1, struct coro);
927		991
928	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	992	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
929	coro->mainstack = 0; /* actual work is done inside transfer */	993	/coro->mainstack = 0; //actual work is done inside transfer /
930	coro->stack = 0;	994	/coro->stack = 0;/
		995
		996	/* same as JMPENV_BOOTSTRAP */
		997	/* we might be able to recycle start_env, but safe is safe */
		998	/Zero(&coro->start_env, 1, JMPENV);/
		999	coro->start_env.je_ret = -1;
		1000	coro->start_env.je_mustcatch = TRUE;
931		1001
932	RETVAL = coro;	1002	RETVAL = coro;
933	OUTPUT:	1003	OUTPUT:
934	RETVAL	1004	RETVAL
935		1005
…		…
954	if (coro->mainstack && coro->mainstack != main_mainstack)	1024	if (coro->mainstack && coro->mainstack != main_mainstack)
955	{	1025	{
956	struct coro temp;	1026	struct coro temp;
957		1027
958	PUTBACK;	1028	PUTBACK;
959	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	1029	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
960	LOAD(aTHX_ coro);	1030	LOAD (aTHX_ coro);
961	SPAGAIN;	1031	SPAGAIN;
962		1032
963	destroy_stacks (aTHX);	1033	destroy_stacks (aTHX);
964		1034
965	LOAD((&temp)); /* this will get rid of defsv etc.. */	1035	LOAD ((&temp)); /* this will get rid of defsv etc.. */
966	SPAGAIN;	1036	SPAGAIN;
967		1037
968	coro->mainstack = 0;	1038	coro->mainstack = 0;
969	}	1039	}
970		1040
971	deallocate_stack (coro);	1041	deallocate_stack (coro);
972		1042	SvREFCNT_dec (coro->args);
973	Safefree (coro);	1043	Safefree (coro);
974
975	void
976	flush()
977	CODE:
978	#ifdef MAY_FLUSH
979	flush_padlist_cache ();
980	#endif
981		1044
982	void	1045	void
983	_exit(code)	1046	_exit(code)
984	int code	1047	int code
985	PROTOTYPE: $	1048	PROTOTYPE: $
986	CODE:	1049	CODE:
987	#if defined(__GLIBC__) \|\| _POSIX_C_SOURCE
988	_exit (code);	1050	_exit (code);
989	#else
990	signal (SIGTERM, SIG_DFL);
991	raise (SIGTERM);
992	exit (code);
993	#endif
994		1051
995	MODULE = Coro::State PACKAGE = Coro::Cont	1052	MODULE = Coro::State PACKAGE = Coro::Cont
996		1053
997	# this is slightly dirty (should expose a c-level api)	1054	# this is slightly dirty (should expose a c-level api)
998		1055
999	void	1056	void
1000	yield(...)	1057	yield(...)
1001	PROTOTYPE: @	1058	PROTOTYPE: @
1002	CODE:	1059	CODE:
1003	static SV *returnstk;	1060	SV *yieldstack;
1004	SV *sv;	1061	SV *sv;
1005	AV *defav = GvAV (PL_defgv);	1062	AV *defav = GvAV (PL_defgv);
1006	struct coro prev, next;	1063	struct coro prev, next;
1007		1064
1008	if (!returnstk)	1065	yieldstack = *hv_fetch (
1009	returnstk = SvRV (get_sv ("Coro::Cont::return", FALSE));	1066	(HV *)SvRV (GvSV (coro_current)),
		1067	"yieldstack", sizeof ("yieldstack") - 1,
		1068	0
		1069	);
1010		1070
1011	/* set up @_ -- ugly */	1071	/* set up @_ -- ugly */
1012	av_clear (defav);	1072	av_clear (defav);
1013	av_fill (defav, items - 1);	1073	av_fill (defav, items - 1);
1014	while (items--)	1074	while (items--)
1015	av_store (defav, items, SvREFCNT_inc (ST(items)));	1075	av_store (defav, items, SvREFCNT_inc (ST(items)));
1016		1076
1017	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1018	sv = av_pop ((AV *)SvRV (returnstk));	1077	sv = av_pop ((AV *)SvRV (yieldstack));
1019	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1078	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));
1020	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1079	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));
1021	SvREFCNT_dec (sv);	1080	SvREFCNT_dec (sv);
1022		1081
1023	transfer(aTHX_ prev, next, 0);	1082	transfer (aTHX_ prev, next, 0);
1024		1083
1025	MODULE = Coro::State PACKAGE = Coro	1084	MODULE = Coro::State PACKAGE = Coro
1026		1085
1027	# this is slightly dirty (should expose a c-level api)	1086	# this is slightly dirty (should expose a c-level api)
1028		1087
…		…
1057	sv_setiv(sv, (IV)&coroapi);	1116	sv_setiv(sv, (IV)&coroapi);
1058	SvREADONLY_on(sv);	1117	SvREADONLY_on(sv);
1059	}	1118	}
1060	}	1119	}
1061		1120
		1121	#if !PERL_MICRO
		1122
1062	void	1123	void
1063	ready(self)	1124	ready(self)
1064	SV * self	1125	SV * self
1065	PROTOTYPE: $	1126	PROTOTYPE: $
1066	CODE:	1127	CODE:
1067	api_ready (self);	1128	api_ready (self);
		1129
		1130	#endif
1068		1131
1069	int	1132	int
1070	nready(...)	1133	nready(...)
1071	PROTOTYPE:	1134	PROTOTYPE:
1072	CODE:	1135	CODE:
…		…
1084	cede(...)	1147	cede(...)
1085	PROTOTYPE:	1148	PROTOTYPE:
1086	CODE:	1149	CODE:
1087	api_cede ();	1150	api_cede ();
1088		1151
		1152	# and these are hacks
		1153	SV *
		1154	_aio_get_state ()
		1155	CODE:
		1156	{
		1157	struct {
		1158	int errorno;
		1159	int laststype;
		1160	int laststatval;
		1161	Stat_t statcache;
		1162	} data;
		1163
		1164	data.errorno = errno;
		1165	data.laststype = PL_laststype;
		1166	data.laststatval = PL_laststatval;
		1167	data.statcache = PL_statcache;
		1168
		1169	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1170	}
		1171	OUTPUT:
		1172	RETVAL
		1173
		1174	void
		1175	_aio_set_state (char *data_)
		1176	PROTOTYPE: $
		1177	CODE:
		1178	{
		1179	struct {
		1180	int errorno;
		1181	int laststype;
		1182	int laststatval;
		1183	Stat_t statcache;
		1184	} data = (void )data_;
		1185
		1186	errno = data->errorno;
		1187	PL_laststype = data->laststype;
		1188	PL_laststatval = data->laststatval;
		1189	PL_statcache = data->statcache;
		1190	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.42 by root, Mon Dec 31 20:41:45 2001 UTC vs. Revision 1.70 by root, Mon Dec 26 19:26:52 2005 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.42 by root, Mon Dec 31 20:41:45 2001 UTC vs.
Revision 1.70 by root, Mon Dec 26 19:26:52 2005 UTC