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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.51 by pcg, Sun Nov 30 17:03:48 2003 UTC vs.
Revision 1.82 by root, Mon Nov 20 22:26:16 2006 UTC

…		…
		1	#define PERL_NO_GET_CONTEXT
		2
		3	#include "libcoro/coro.c"
		4
1	#include "EXTERN.h"	5	#include "EXTERN.h"
2	#include "perl.h"	6	#include "perl.h"
3	#include "XSUB.h"	7	#include "XSUB.h"
4		8
5	#include "patchlevel.h"	9	#include "patchlevel.h"
6		10
7	#if PATCHLEVEL < 6	11	#if PERL_VERSION < 6
8	# ifndef PL_ppaddr	12	# ifndef PL_ppaddr
9	# define PL_ppaddr ppaddr	13	# define PL_ppaddr ppaddr
10	# endif	14	# endif
11	# ifndef call_sv	15	# ifndef call_sv
12	# define call_sv perl_call_sv	16	# define call_sv perl_call_sv
23	# ifndef IS_PADCONST	27	# ifndef IS_PADCONST
24	# define IS_PADCONST(v) 0	28	# define IS_PADCONST(v) 0
25	# endif	29	# endif
26	#endif	30	#endif
27		31
28	#include "libcoro/coro.c"
29
30	#include <signal.h>	32	#include <errno.h>
		33
		34	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
		35	# undef STACKGUARD
		36	#endif
		37
		38	#ifndef STACKGUARD
		39	# define STACKGUARD 0
		40	#endif
31		41
32	#ifdef HAVE_MMAP	42	#ifdef HAVE_MMAP
33	# include <unistd.h>	43	# include <unistd.h>
34	# include <sys/mman.h>	44	# include <sys/mman.h>
35	# ifndef MAP_ANONYMOUS	45	# ifndef MAP_ANONYMOUS
…		…
37	# define MAP_ANONYMOUS MAP_ANON	47	# define MAP_ANONYMOUS MAP_ANON
38	# else	48	# else
39	# undef HAVE_MMAP	49	# undef HAVE_MMAP
40	# endif	50	# endif
41	# endif	51	# endif
		52	# include <limits.h>
		53	# ifndef PAGESIZE
		54	# define PAGESIZE pagesize
		55	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
		56	static long pagesize;
		57	# else
		58	# define BOOT_PAGESIZE
		59	# endif
42	#endif	60	#endif
43		61
44	#define SUB_INIT "Coro::State::initialize"	62	#define SUB_INIT "Coro::State::initialize"
45	#define UCORO_STATE "_coro_state"	63	#define UCORO_STATE "_coro_state"
46		64
…		…
53		71
54	#define labs(l) ((l) >= 0 ? (l) : -(l))	72	#define labs(l) ((l) >= 0 ? (l) : -(l))
55		73
56	#include "CoroAPI.h"	74	#include "CoroAPI.h"
57		75
		76	#ifdef USE_ITHREADS
		77	static perl_mutex coro_mutex;
		78	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
		79	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
		80	#else
		81	# define LOCK (void)0
		82	# define UNLOCK (void)0
		83	#endif
		84
58	static struct CoroAPI coroapi;	85	static struct CoroAPI coroapi;
		86	static AV main_mainstack; / used to differentiate between $main and others */
		87	static HV *coro_state_stash;
		88	static SV *ucoro_state_sv;
		89	static U32 ucoro_state_hash;
		90	static SV coro_mortal; / will be freed after next transfer */
59		91
60	/* this is actually not only the c stack but also c registers etc... */	92	/* this is actually not only the c stack but also c registers etc... */
61	typedef struct {	93	typedef struct {
62	int refcnt; /* pointer reference counter */	94	int refcnt; /* pointer reference counter */
63	int usecnt; /* shared by how many coroutines */	95	int usecnt; /* shared by how many coroutines */
…		…
68	void *sptr;	100	void *sptr;
69	long ssize; /* positive == mmap, otherwise malloc */	101	long ssize; /* positive == mmap, otherwise malloc */
70	} coro_stack;	102	} coro_stack;
71		103
72	struct coro {	104	struct coro {
73	/* the top-level JMPENV for each coroutine, needed to catch dies. */
74	JMPENV start_env;
75
76	/* the optional C context */	105	/* the optional C context */
77	coro_stack *stack;	106	coro_stack *stack;
78	void *cursp;	107	void *cursp;
79	int gencnt;	108	int gencnt;
80		109
…		…
93	AV *mainstack;	122	AV *mainstack;
94	SV **stack_sp;	123	SV **stack_sp;
95	OP *op;	124	OP *op;
96	SV **curpad;	125	SV **curpad;
97	AV *comppad;	126	AV *comppad;
		127	CV *compcv;
98	SV **stack_base;	128	SV **stack_base;
99	SV **stack_max;	129	SV **stack_max;
100	SV **tmps_stack;	130	SV **tmps_stack;
101	I32 tmps_floor;	131	I32 tmps_floor;
102	I32 tmps_ix;	132	I32 tmps_ix;
…		…
111	I32 savestack_ix;	141	I32 savestack_ix;
112	I32 savestack_max;	142	I32 savestack_max;
113	OP **retstack;	143	OP **retstack;
114	I32 retstack_ix;	144	I32 retstack_ix;
115	I32 retstack_max;	145	I32 retstack_max;
		146	PMOP *curpm;
116	COP *curcop;	147	COP *curcop;
117	JMPENV *top_env;	148	JMPENV *top_env;
118		149
119	/* data associated with this coroutine (initial args) */	150	/* data associated with this coroutine (initial args) */
120	AV *args;	151	AV *args;
121	};	152	};
122		153
123	typedef struct coro *Coro__State;	154	typedef struct coro *Coro__State;
124	typedef struct coro *Coro__State_or_hashref;	155	typedef struct coro *Coro__State_or_hashref;
125		156
126	static AV main_mainstack; / used to differentiate between $main and others */	157	static AV *
127	static HV *coro_state_stash;	158	coro_clone_padlist (pTHX_ CV *cv)
128	static SV *ucoro_state_sv;
129	static U32 ucoro_state_hash;
130	static HV *padlist_cache;
131	static SV coro_mortal; / will be freed after next transfer */
132
133	/* mostly copied from op.c:cv_clone2 */
134	STATIC AV *
135	clone_padlist (AV *protopadlist)
136	{	159	{
137	AV *av;	160	AV *padlist = CvPADLIST (cv);
138	I32 ix;
139	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
140	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
141	SV **pname = AvARRAY (protopad_name);
142	SV **ppad = AvARRAY (protopad);
143	I32 fname = AvFILLp (protopad_name);
144	I32 fpad = AvFILLp (protopad);
145	AV newpadlist, newpad_name, *newpad;	161	AV newpadlist, newpad;
146	SV **npad;
147
148	newpad_name = newAV ();
149	for (ix = fname; ix >= 0; ix--)
150	av_store (newpad_name, ix, SvREFCNT_inc (pname[ix]));
151
152	newpad = newAV ();
153	av_fill (newpad, AvFILLp (protopad));
154	npad = AvARRAY (newpad);
155		162
156	newpadlist = newAV ();	163	newpadlist = newAV ();
157	AvREAL_off (newpadlist);	164	AvREAL_off (newpadlist);
158	av_store (newpadlist, 0, (SV *) newpad_name);	165	#if PERL_VERSION < 9
		166	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		167	#else
		168	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		169	#endif
		170	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		171	--AvFILLp (padlist);
		172
		173	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
159	av_store (newpadlist, 1, (SV *) newpad);	174	av_store (newpadlist, 1, (SV *)newpad);
160
161	av = newAV (); /* will be @_ */
162	av_extend (av, 0);
163	av_store (newpad, 0, (SV *) av);
164	AvFLAGS (av) = AVf_REIFY;
165
166	for (ix = fpad; ix > 0; ix--)
167	{
168	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
169	if (namesv && namesv != &PL_sv_undef)
170	{
171	char name = SvPVX (namesv); / XXX */
172	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
173	{ /* lexical from outside? */
174	npad[ix] = SvREFCNT_inc (ppad[ix]);
175	}
176	else
177	{ /* our own lexical */
178	SV *sv;
179	if (*name == '&')
180	sv = SvREFCNT_inc (ppad[ix]);
181	else if (*name == '@')
182	sv = (SV *) newAV ();
183	else if (*name == '%')
184	sv = (SV *) newHV ();
185	else
186	sv = NEWSV (0, 0);
187	#ifdef SvPADBUSY
188	if (!SvPADBUSY (sv))
189	#endif
190	SvPADMY_on (sv);
191	npad[ix] = sv;
192	}
193	}
194	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
195	{
196	npad[ix] = SvREFCNT_inc (ppad[ix]);
197	}
198	else
199	{
200	SV *sv = NEWSV (0, 0);
201	SvPADTMP_on (sv);
202	npad[ix] = sv;
203	}
204	}
205
206	#if 0 /* return -ENOTUNDERSTOOD */
207	/* Now that vars are all in place, clone nested closures. */
208
209	for (ix = fpad; ix > 0; ix--) {
210	SV* namesv = (ix <= fname) ? pname[ix] : Nullsv;
211	if (namesv
212	&& namesv != &PL_sv_undef
213	&& !(SvFLAGS(namesv) & SVf_FAKE)
214	&& *SvPVX(namesv) == '&'
215	&& CvCLONE(ppad[ix]))
216	{
217	CV kid = cv_clone((CV)ppad[ix]);
218	SvREFCNT_dec(ppad[ix]);
219	CvCLONE_on(kid);
220	SvPADMY_on(kid);
221	npad[ix] = (SV*)kid;
222	}
223	}
224	#endif
225		175
226	return newpadlist;	176	return newpadlist;
227	}	177	}
228		178
229	STATIC void	179	static void
230	free_padlist (AV *padlist)	180	free_padlist (pTHX_ AV *padlist)
231	{	181	{
232	/* may be during global destruction */	182	/* may be during global destruction */
233	if (SvREFCNT (padlist))	183	if (SvREFCNT (padlist))
234	{	184	{
235	I32 i = AvFILLp (padlist);	185	I32 i = AvFILLp (padlist);
…		…
248		198
249	SvREFCNT_dec ((SV*)padlist);	199	SvREFCNT_dec ((SV*)padlist);
250	}	200	}
251	}	201	}
252		202
253	STATIC int	203	static int
254	coro_cv_free (SV sv, MAGIC mg)	204	coro_cv_free (pTHX_ SV sv, MAGIC mg)
255	{	205	{
256	AV *padlist;	206	AV *padlist;
257	AV av = (AV )mg->mg_obj;	207	AV av = (AV )mg->mg_obj;
258		208
259	/* casting is fun. */	209	/* casting is fun. */
260	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	210	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
261	free_padlist (padlist);	211	free_padlist (aTHX_ padlist);
		212
		213	SvREFCNT_dec (av);
		214
		215	return 0;
262	}	216	}
263		217
264	#define PERL_MAGIC_coro PERL_MAGIC_ext	218	#define PERL_MAGIC_coro PERL_MAGIC_ext
265		219
266	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	220	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
267		221
268	/* the next two functions merely cache the padlists */	222	/* the next two functions merely cache the padlists */
269	STATIC void	223	static void
270	get_padlist (CV *cv)	224	get_padlist (pTHX_ CV *cv)
271	{	225	{
272	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	226	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
273		227
274	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	228	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
275	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	229	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
276	else	230	else
		231	{
		232	#if 0
		233	/* this should work - but it doesn't :( */
		234	CV *cp = Perl_cv_clone (aTHX_ cv);
		235	CvPADLIST (cv) = CvPADLIST (cp);
		236	CvPADLIST (cp) = 0;
		237	SvREFCNT_dec (cp);
		238	#else
277	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	239	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		240	#endif
		241	}
278	}	242	}
279		243
280	STATIC void	244	static void
281	put_padlist (CV *cv)	245	put_padlist (pTHX_ CV *cv)
282	{	246	{
283	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	247	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
284		248
285	if (!mg)	249	if (!mg)
286	{	250	{
…		…
312	PL_mainstack = c->mainstack;	276	PL_mainstack = c->mainstack;
313	PL_stack_sp = c->stack_sp;	277	PL_stack_sp = c->stack_sp;
314	PL_op = c->op;	278	PL_op = c->op;
315	PL_curpad = c->curpad;	279	PL_curpad = c->curpad;
316	PL_comppad = c->comppad;	280	PL_comppad = c->comppad;
		281	PL_compcv = c->compcv;
317	PL_stack_base = c->stack_base;	282	PL_stack_base = c->stack_base;
318	PL_stack_max = c->stack_max;	283	PL_stack_max = c->stack_max;
319	PL_tmps_stack = c->tmps_stack;	284	PL_tmps_stack = c->tmps_stack;
320	PL_tmps_floor = c->tmps_floor;	285	PL_tmps_floor = c->tmps_floor;
321	PL_tmps_ix = c->tmps_ix;	286	PL_tmps_ix = c->tmps_ix;
…		…
327	PL_scopestack_ix = c->scopestack_ix;	292	PL_scopestack_ix = c->scopestack_ix;
328	PL_scopestack_max = c->scopestack_max;	293	PL_scopestack_max = c->scopestack_max;
329	PL_savestack = c->savestack;	294	PL_savestack = c->savestack;
330	PL_savestack_ix = c->savestack_ix;	295	PL_savestack_ix = c->savestack_ix;
331	PL_savestack_max = c->savestack_max;	296	PL_savestack_max = c->savestack_max;
		297	#if PERL_VERSION < 9
332	PL_retstack = c->retstack;	298	PL_retstack = c->retstack;
333	PL_retstack_ix = c->retstack_ix;	299	PL_retstack_ix = c->retstack_ix;
334	PL_retstack_max = c->retstack_max;	300	PL_retstack_max = c->retstack_max;
		301	#endif
		302	PL_curpm = c->curpm;
335	PL_curcop = c->curcop;	303	PL_curcop = c->curcop;
336	PL_top_env = c->top_env;	304	PL_top_env = c->top_env;
337		305
338	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	306	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
339	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	307	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
348	{	316	{
349	AV padlist = (AV )POPs;	317	AV padlist = (AV )POPs;
350		318
351	if (padlist)	319	if (padlist)
352	{	320	{
353	put_padlist (cv); /* mark this padlist as available */	321	put_padlist (aTHX_ cv); /* mark this padlist as available */
354	CvPADLIST(cv) = padlist;	322	CvPADLIST(cv) = padlist;
355	#ifdef USE_THREADS
356	/CvOWNER(cv) = (struct perl_thread )POPs;*/
357	#endif
358	}	323	}
359		324
360	++CvDEPTH(cv);	325	++CvDEPTH(cv);
361	}	326	}
362		327
…		…
389	if (CxTYPE(cx) == CXt_SUB)	354	if (CxTYPE(cx) == CXt_SUB)
390	{	355	{
391	CV *cv = cx->blk_sub.cv;	356	CV *cv = cx->blk_sub.cv;
392	if (CvDEPTH(cv))	357	if (CvDEPTH(cv))
393	{	358	{
394	#ifdef USE_THREADS
395	/XPUSHs ((SV )CvOWNER(cv));*/
396	/CvOWNER(cv) = 0;/
397	/error must unlock this cv etc.. etc.../
398	#endif
399	EXTEND (SP, CvDEPTH(cv)*2);	359	EXTEND (SP, CvDEPTH(cv)*2);
400		360
401	while (--CvDEPTH(cv))	361	while (--CvDEPTH(cv))
402	{	362	{
403	/* this tells the restore code to increment CvDEPTH */	363	/* this tells the restore code to increment CvDEPTH */
…		…
406	}	366	}
407		367
408	PUSHs ((SV *)CvPADLIST(cv));	368	PUSHs ((SV *)CvPADLIST(cv));
409	PUSHs ((SV *)cv);	369	PUSHs ((SV *)cv);
410		370
411	get_padlist (cv); /* this is a monster */	371	get_padlist (aTHX_ cv);
412	}	372	}
413	}	373	}
414	#ifdef CXt_FORMAT	374	#ifdef CXt_FORMAT
415	else if (CxTYPE(cx) == CXt_FORMAT)	375	else if (CxTYPE(cx) == CXt_FORMAT)
416	{	376	{
…		…
444	c->mainstack = PL_mainstack;	404	c->mainstack = PL_mainstack;
445	c->stack_sp = PL_stack_sp;	405	c->stack_sp = PL_stack_sp;
446	c->op = PL_op;	406	c->op = PL_op;
447	c->curpad = PL_curpad;	407	c->curpad = PL_curpad;
448	c->comppad = PL_comppad;	408	c->comppad = PL_comppad;
		409	c->compcv = PL_compcv;
449	c->stack_base = PL_stack_base;	410	c->stack_base = PL_stack_base;
450	c->stack_max = PL_stack_max;	411	c->stack_max = PL_stack_max;
451	c->tmps_stack = PL_tmps_stack;	412	c->tmps_stack = PL_tmps_stack;
452	c->tmps_floor = PL_tmps_floor;	413	c->tmps_floor = PL_tmps_floor;
453	c->tmps_ix = PL_tmps_ix;	414	c->tmps_ix = PL_tmps_ix;
…		…
459	c->scopestack_ix = PL_scopestack_ix;	420	c->scopestack_ix = PL_scopestack_ix;
460	c->scopestack_max = PL_scopestack_max;	421	c->scopestack_max = PL_scopestack_max;
461	c->savestack = PL_savestack;	422	c->savestack = PL_savestack;
462	c->savestack_ix = PL_savestack_ix;	423	c->savestack_ix = PL_savestack_ix;
463	c->savestack_max = PL_savestack_max;	424	c->savestack_max = PL_savestack_max;
		425	#if PERL_VERSION < 9
464	c->retstack = PL_retstack;	426	c->retstack = PL_retstack;
465	c->retstack_ix = PL_retstack_ix;	427	c->retstack_ix = PL_retstack_ix;
466	c->retstack_max = PL_retstack_max;	428	c->retstack_max = PL_retstack_max;
		429	#endif
		430	c->curpm = PL_curpm;
467	c->curcop = PL_curcop;	431	c->curcop = PL_curcop;
468	c->top_env = PL_top_env;	432	c->top_env = PL_top_env;
469	}	433	}
470		434
471	/*	435	/*
472	* allocate various perl stacks. This is an exact copy	436	* allocate various perl stacks. This is an exact copy
473	* of perl.c:init_stacks, except that it uses less memory	437	* of perl.c:init_stacks, except that it uses less memory
474	* on the assumption that coroutines do not usually need	438	* on the (sometimes correct) assumption that coroutines do
475	* a lot of stackspace.	439	* not usually need a lot of stackspace.
476	*/	440	*/
477	STATIC void	441	static void
478	coro_init_stacks (pTHX)	442	coro_init_stacks (pTHX)
479	{	443	{
		444	LOCK;
		445
480	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	446	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
481	PL_curstackinfo->si_type = PERLSI_MAIN;	447	PL_curstackinfo->si_type = PERLSI_MAIN;
482	PL_curstack = PL_curstackinfo->si_stack;	448	PL_curstack = PL_curstackinfo->si_stack;
483	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	449	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
484		450
…		…
505		471
506	New(54,PL_savestack,96,ANY);	472	New(54,PL_savestack,96,ANY);
507	PL_savestack_ix = 0;	473	PL_savestack_ix = 0;
508	PL_savestack_max = 96;	474	PL_savestack_max = 96;
509		475
		476	#if PERL_VERSION < 9
510	New(54,PL_retstack,8,OP*);	477	New(54,PL_retstack,8,OP*);
511	PL_retstack_ix = 0;	478	PL_retstack_ix = 0;
512	PL_retstack_max = 8;	479	PL_retstack_max = 8;
		480	#endif
		481
		482	UNLOCK;
513	}	483	}
514		484
515	/*	485	/*
516	* destroy the stacks, the callchain etc...	486	* destroy the stacks, the callchain etc...
517	*/	487	*/
518	STATIC void	488	static void
519	destroy_stacks(pTHX)	489	destroy_stacks(pTHX)
520	{	490	{
521	if (!IN_DESTRUCT)	491	if (!IN_DESTRUCT)
522	{	492	{
523	/* is this ugly, I ask? */	493	/* is this ugly, I ask? */
524	while (PL_scopestack_ix)	494	LEAVE_SCOPE (0);
525	LEAVE;
526		495
527	/* sure it is, but more important: is it correct?? :/ */	496	/* sure it is, but more important: is it correct?? :/ */
528	while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
529	FREETMPS;	497	FREETMPS;
		498
		499	/POPSTACK_TO (PL_mainstack);//D//use/
530	}	500	}
531		501
532	while (PL_curstackinfo->si_next)	502	while (PL_curstackinfo->si_next)
533	PL_curstackinfo = PL_curstackinfo->si_next;	503	PL_curstackinfo = PL_curstackinfo->si_next;
534		504
535	while (PL_curstackinfo)	505	while (PL_curstackinfo)
536	{	506	{
537	PERL_SI *p = PL_curstackinfo->si_prev;	507	PERL_SI *p = PL_curstackinfo->si_prev;
538		508
539	{	509	{ /D//remove/
540	dSP;	510	dSP;
541	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	511	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
542	PUTBACK; /* possibly superfluous */	512	PUTBACK; /* possibly superfluous */
543	}	513	}
544		514
545	if (!IN_DESTRUCT)	515	if (!IN_DESTRUCT)
546	{	516	{
547	dounwind(-1);	517	dounwind (-1);/D//remove/
548	SvREFCNT_dec(PL_curstackinfo->si_stack);	518	SvREFCNT_dec (PL_curstackinfo->si_stack);
549	}	519	}
550		520
551	Safefree(PL_curstackinfo->si_cxstack);	521	Safefree (PL_curstackinfo->si_cxstack);
552	Safefree(PL_curstackinfo);	522	Safefree (PL_curstackinfo);
553	PL_curstackinfo = p;	523	PL_curstackinfo = p;
554	}	524	}
555		525
556	Safefree(PL_tmps_stack);	526	Safefree (PL_tmps_stack);
557	Safefree(PL_markstack);	527	Safefree (PL_markstack);
558	Safefree(PL_scopestack);	528	Safefree (PL_scopestack);
559	Safefree(PL_savestack);	529	Safefree (PL_savestack);
		530	#if PERL_VERSION < 9
560	Safefree(PL_retstack);	531	Safefree (PL_retstack);
		532	#endif
561	}	533	}
562		534
563	static void	535	static void
564	allocate_stack (Coro__State ctx, int alloc)	536	allocate_stack (Coro__State ctx, int alloc)
565	{	537	{
…		…
568	New (0, stack, 1, coro_stack);	540	New (0, stack, 1, coro_stack);
569		541
570	stack->refcnt = 1;	542	stack->refcnt = 1;
571	stack->usecnt = 1;	543	stack->usecnt = 1;
572	stack->gencnt = ctx->gencnt = 0;	544	stack->gencnt = ctx->gencnt = 0;
		545
573	if (alloc)	546	if (alloc)
574	{	547	{
575	#if HAVE_MMAP	548	#if HAVE_MMAP
576	stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */	549	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
577	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	550	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
578	if (stack->sptr == (void *)-1)	551	if (stack->sptr != (void *)-1)
579	#endif
580	{	552	{
581	/FIXME//D//* reasonable stack size! */	553	# if STACKGUARD
		554	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		555	# endif
		556	}
		557	else
		558	#endif
		559	{
582	stack->ssize = - (16384 * sizeof (long));	560	stack->ssize = - (STACKSIZE * (long)sizeof (long));
583	New (0, stack->sptr, 16384, long);	561	New (0, stack->sptr, STACKSIZE, long);
584	}	562	}
585	}	563	}
586	else	564	else
587	stack->sptr = 0;	565	stack->sptr = 0;
588		566
…		…
618	setup_coro (void *arg)	596	setup_coro (void *arg)
619	{	597	{
620	/*	598	/*
621	* emulate part of the perl startup here.	599	* emulate part of the perl startup here.
622	*/	600	*/
		601	dTHX;
623	dSP;	602	dSP;
624	Coro__State ctx = (Coro__State)arg;	603	Coro__State ctx = (Coro__State)arg;
625	SV sub_init = (SV)get_cv(SUB_INIT, FALSE);	604	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
626		605
627	coro_init_stacks (aTHX);	606	coro_init_stacks (aTHX);
628	/PL_curcop = 0;/	607	/PL_curcop = 0;/
629	/PL_in_eval = PL_in_eval;/ /* inherit */	608	/PL_in_eval = PL_in_eval;/ /* inherit */
630	SvREFCNT_dec (GvAV (PL_defgv));	609	SvREFCNT_dec (GvAV (PL_defgv));
…		…
647	}	626	}
648	else	627	else
649	{	628	{
650	UNOP myop;	629	UNOP myop;
651		630
652	PL_op = (OP *)&myop;
653
654	Zero(&myop, 1, UNOP);	631	Zero(&myop, 1, UNOP);
655	myop.op_next = Nullop;	632	myop.op_next = Nullop;
656	myop.op_flags = OPf_WANT_VOID;	633	myop.op_flags = OPf_WANT_VOID;
		634
		635	PL_op = (OP *)&myop;
657		636
658	PUSHMARK(SP);	637	PUSHMARK(SP);
659	XPUSHs (sub_init);	638	XPUSHs (sub_init);
660	/*	639	/*
661	* the next line is slightly wrong, as PL_op->op_next	640	* the next line is slightly wrong, as PL_op->op_next
…		…
676	continue_coro (void *arg)	655	continue_coro (void *arg)
677	{	656	{
678	/*	657	/*
679	* this is a _very_ stripped down perl interpreter ;)	658	* this is a _very_ stripped down perl interpreter ;)
680	*/	659	*/
		660	dTHX;
681	Coro__State ctx = (Coro__State)arg;	661	Coro__State ctx = (Coro__State)arg;
682	JMPENV coro_start_env;
683		662
684	PL_top_env = &ctx->start_env;	663	PL_top_env = &PL_start_env;
685		664
686	ctx->cursp = 0;	665	ctx->cursp = 0;
687	PL_op = PL_op->op_next;	666	PL_op = PL_op->op_next;
688	CALLRUNOPS(aTHX);	667	CALLRUNOPS(aTHX);
689		668
690	abort ();	669	abort ();
691	}	670	}
692		671
693	STATIC void	672	static void
694	transfer(pTHX_ struct coro prev, struct coro next, int flags)	673	transfer (pTHX_ struct coro prev, struct coro next, int flags)
695	{	674	{
696	dSTACKLEVEL;	675	dSTACKLEVEL;
697	static struct coro *xnext;
698		676
699	if (prev != next)	677	if (prev != next)
700	{	678	{
701	xnext = next;	679	/* has this coro been created yet? */
702
703	if (next->mainstack)	680	if (next->mainstack)
704	{	681	{
		682	LOCK;
705	SAVE (prev, flags);	683	SAVE (prev, flags);
706	LOAD (next);	684	LOAD (next);
		685	UNLOCK;
707		686
708	/* mark this state as in-use */	687	/* mark this state as in-use */
709	next->mainstack = 0;	688	next->mainstack = 0;
710	next->tmps_ix = -2;	689	next->tmps_ix = -2;
711		690
…		…
730	continue_coro, (void *)next,	709	continue_coro, (void *)next,
731	next->stack->sptr, labs (next->stack->ssize));	710	next->stack->sptr, labs (next->stack->ssize));
732	}	711	}
733		712
734	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	713	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		714	prev->cursp = stacklevel;
735	/* don't add any code here */	715	/* don't add any code here */
736	}	716	}
737		717	else
		718	next->cursp = stacklevel;
738	}	719	}
739	else if (next->tmps_ix == -2)	720	else if (next->tmps_ix == -2)
740	croak ("tried to transfer to running coroutine");	721	croak ("tried to transfer to running coroutine");
741	else	722	else
742	{	723	{
		724	LOCK;
743	SAVE (prev, -1); /* first get rid of the old state */	725	SAVE (prev, -1); /* first get rid of the old state */
		726	UNLOCK;
744		727
		728	/* create the coroutine for the first time */
745	if (flags & TRANSFER_SAVE_CCTXT)	729	if (flags & TRANSFER_SAVE_CCTXT)
746	{	730	{
747	if (!prev->stack)	731	if (!prev->stack)
748	allocate_stack (prev, 0);	732	allocate_stack (prev, 0);
749		733
		734	/* the new coroutine starts with start_env again */
		735	PL_top_env = &PL_start_env;
		736
750	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	737	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
751	{	738	{
752	PL_top_env = &next->start_env;
753
754	setup_coro (next);	739	setup_coro (next);
		740	next->cursp = stacklevel;
755		741
756	prev->stack->refcnt++;	742	prev->stack->refcnt++;
757	prev->stack->usecnt++;	743	prev->stack->usecnt++;
758	next->stack = prev->stack;	744	next->stack = prev->stack;
759	next->gencnt = prev->gencnt;	745	next->gencnt = prev->gencnt;
…		…
764	allocate_stack (next, 1);	750	allocate_stack (next, 1);
765	coro_create (&(next->stack->cctx),	751	coro_create (&(next->stack->cctx),
766	setup_coro, (void *)next,	752	setup_coro, (void *)next,
767	next->stack->sptr, labs (next->stack->ssize));	753	next->stack->sptr, labs (next->stack->ssize));
768	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	754	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		755	prev->cursp = stacklevel;
769	/* don't add any code here */	756	/* don't add any code here */
770	}	757	}
771	}	758	}
772	else	759	else
		760	{
773	setup_coro (next);	761	setup_coro (next);
		762	next->cursp = stacklevel;
		763	}
774	}	764	}
775
776	/*
777	* xnext is now either prev or next, depending on wether
778	* we switched the c stack or not. that's why I use a global
779	* variable, that should become thread-specific at one point.
780	*/
781	xnext->cursp = stacklevel;
782	}	765	}
783		766
		767	LOCK;
784	if (coro_mortal)	768	if (coro_mortal)
785	{	769	{
786	SvREFCNT_dec (coro_mortal);	770	SvREFCNT_dec (coro_mortal);
787	coro_mortal = 0;	771	coro_mortal = 0;
788	}	772	}
		773	UNLOCK;
789	}	774	}
790		775
791	#define SV_CORO(sv,func) \	776	#define SV_CORO(sv,func) \
792	do { \	777	do { \
793	if (SvROK (sv)) \	778	if (SvROK (sv)) \
794	sv = SvRV (sv); \	779	sv = SvRV (sv); \
795	\	780	\
796	if (SvTYPE(sv) == SVt_PVHV) \	781	if (SvTYPE (sv) == SVt_PVHV) \
797	{ \	782	{ \
798	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); \
799	\	784	\
800	if (!he) \	785	if (!he) \
801	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); \
802	\	787	\
803	(sv) = SvRV (HeVAL(he)); \	788	(sv) = SvRV (HeVAL(he)); \
804	} \	789	} \
805	\	790	\
806	/* must also be changed inside Coro::Cont::yield */ \	791	/* must also be changed inside Coro::Cont::yield */ \
807	if (!SvOBJECT(sv) \|\| SvSTASH(sv) != coro_state_stash) \	792	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
808	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); \
809	\	794	\
810	} while(0)	795	} while(0)
811		796
812	#define SvSTATE(sv) (struct coro *)SvIV (sv)	797	#define SvSTATE(sv) INT2PTR (struct coro *, SvIV (sv))
813		798
814	static void	799	static void
815	api_transfer(pTHX_ SV prev, SV next, int flags)	800	api_transfer(pTHX_ SV prev, SV next, int flags)
816	{	801	{
817	SV_CORO (prev, "Coro::transfer");	802	SV_CORO (prev, "Coro::transfer");
818	SV_CORO (next, "Coro::transfer");	803	SV_CORO (next, "Coro::transfer");
819		804
820	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	805	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
821	}	806	}
822		807
823	/ Coro ******************************************************************/	808	/ Coro ******************************************************************/
824		809
825	#define PRIO_MAX 3	810	#define PRIO_MAX 3
…		…
833	static GV coro_current, coro_idle;	818	static GV coro_current, coro_idle;
834	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	819	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
835	static int coro_nready;	820	static int coro_nready;
836		821
837	static void	822	static void
838	coro_enq (SV *sv)	823	coro_enq (pTHX_ SV *sv)
839	{	824	{
		825	SV **xprio;
		826	int prio;
		827
840	if (SvTYPE (sv) == SVt_PVHV)	828	if (SvTYPE (sv) != SVt_PVHV)
841	{
842	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
843	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
844
845	prio = prio > PRIO_MAX ? PRIO_MAX
846	: prio < PRIO_MIN ? PRIO_MIN
847	: prio;
848
849	av_push (coro_ready [prio - PRIO_MIN], sv);
850	coro_nready++;
851
852	return;
853	}
854
855	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++;
856	}	840	}
857		841
858	static SV *	842	static SV *
859	coro_deq (int min_prio)	843	coro_deq (pTHX_ int min_prio)
860	{	844	{
861	int prio = PRIO_MAX - PRIO_MIN;	845	int prio = PRIO_MAX - PRIO_MIN;
862		846
863	min_prio -= PRIO_MIN;	847	min_prio -= PRIO_MIN;
864	if (min_prio < 0)	848	if (min_prio < 0)
865	min_prio = 0;	849	min_prio = 0;
866		850
867	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	851	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
868	if (av_len (coro_ready[prio]) >= 0)	852	if (AvFILLp (coro_ready[prio]) >= 0)
869	{	853	{
870	coro_nready--;	854	coro_nready--;
871	return av_shift (coro_ready[prio]);	855	return av_shift (coro_ready[prio]);
872	}	856	}
873		857
…		…
875	}	859	}
876		860
877	static void	861	static void
878	api_ready (SV *coro)	862	api_ready (SV *coro)
879	{	863	{
		864	dTHX;
		865
880	if (SvROK (coro))	866	if (SvROK (coro))
881	coro = SvRV (coro);	867	coro = SvRV (coro);
882		868
		869	LOCK;
883	coro_enq (SvREFCNT_inc (coro));	870	coro_enq (aTHX_ SvREFCNT_inc (coro));
		871	UNLOCK;
884	}	872	}
885		873
886	static void	874	static void
887	api_schedule (void)	875	api_schedule (void)
888	{	876	{
		877	dTHX;
		878
889	SV prev, next;	879	SV prev, next;
890		880
		881	LOCK;
		882
891	prev = SvRV (GvSV (coro_current));	883	prev = SvRV (GvSV (coro_current));
892	next = coro_deq (PRIO_MIN);	884	next = coro_deq (aTHX_ PRIO_MIN);
893		885
894	if (!next)	886	if (!next)
895	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	887	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
896		888
897	/* free this only after the transfer */	889	/* free this only after the transfer */
…		…
900		892
901	SvRV (GvSV (coro_current)) = next;	893	SvRV (GvSV (coro_current)) = next;
902		894
903	SV_CORO (next, "Coro::schedule");	895	SV_CORO (next, "Coro::schedule");
904		896
		897	UNLOCK;
		898
905	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	899	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
906	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	900	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
907	}	901	}
908		902
909	static void	903	static void
910	api_cede (void)	904	api_cede (void)
911	{	905	{
		906	dTHX;
		907
		908	LOCK;
912	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	909	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		910	UNLOCK;
913		911
914	api_schedule ();	912	api_schedule ();
915	}	913	}
916		914
917	MODULE = Coro::State PACKAGE = Coro::State	915	MODULE = Coro::State PACKAGE = Coro::State
918		916
919	PROTOTYPES: ENABLE	917	PROTOTYPES: ENABLE
920		918
921	BOOT:	919	BOOT:
922	{ /* {} 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
923	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	926	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
924	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	927	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
925	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	928	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
926		929
927	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	930	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
928	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	931	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
929	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	932	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
930	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	933	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
931
932	if (!padlist_cache)
933	padlist_cache = newHV ();
934		934
935	main_mainstack = PL_mainstack;	935	main_mainstack = PL_mainstack;
936		936
937	coroapi.ver = CORO_API_VERSION;	937	coroapi.ver = CORO_API_VERSION;
938	coroapi.transfer = api_transfer;	938	coroapi.transfer = api_transfer;
…		…
949	croak ("Coro::State::_newprocess expects an arrayref");	949	croak ("Coro::State::_newprocess expects an arrayref");
950		950
951	Newz (0, coro, 1, struct coro);	951	Newz (0, coro, 1, struct coro);
952		952
953	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	953	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
954	coro->mainstack = 0; /* actual work is done inside transfer */	954	/coro->mainstack = 0; //actual work is done inside transfer /
955	coro->stack = 0;	955	/coro->stack = 0;/
956
957	/* same as JMPENV_BOOTSTRAP */
958	/* we might be able to recycle start_env, but safe is safe */
959	//Zero(&coro->start_env, 1, JMPENV);
960	coro->start_env.je_ret = -1;
961	coro->start_env.je_mustcatch = TRUE;
962		956
963	RETVAL = coro;	957	RETVAL = coro;
964	OUTPUT:	958	OUTPUT:
965	RETVAL	959	RETVAL
966		960
…		…
985	if (coro->mainstack && coro->mainstack != main_mainstack)	979	if (coro->mainstack && coro->mainstack != main_mainstack)
986	{	980	{
987	struct coro temp;	981	struct coro temp;
988		982
989	PUTBACK;	983	PUTBACK;
990	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	984	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
991	LOAD(aTHX_ coro);	985	LOAD (aTHX_ coro);
992	SPAGAIN;	986	SPAGAIN;
993		987
994	destroy_stacks (aTHX);	988	destroy_stacks (aTHX);
995		989
996	LOAD((&temp)); /* this will get rid of defsv etc.. */	990	LOAD ((&temp)); /* this will get rid of defsv etc.. */
997	SPAGAIN;	991	SPAGAIN;
998		992
999	coro->mainstack = 0;	993	coro->mainstack = 0;
1000	}	994	}
1001		995
…		…
1006	void	1000	void
1007	_exit(code)	1001	_exit(code)
1008	int code	1002	int code
1009	PROTOTYPE: $	1003	PROTOTYPE: $
1010	CODE:	1004	CODE:
1011	#if defined(__GLIBC__) \|\| _POSIX_C_SOURCE
1012	_exit (code);	1005	_exit (code);
1013	#else
1014	signal (SIGTERM, SIG_DFL);
1015	raise (SIGTERM);
1016	exit (code);
1017	#endif
1018		1006
1019	MODULE = Coro::State PACKAGE = Coro::Cont	1007	MODULE = Coro::State PACKAGE = Coro::Cont
1020
1021	# this is slightly dirty (should expose a c-level api)
1022		1008
1023	void	1009	void
1024	yield(...)	1010	yield(...)
1025	PROTOTYPE: @	1011	PROTOTYPE: @
1026	CODE:	1012	CODE:
1027	static SV *returnstk;	1013	SV *yieldstack;
1028	SV *sv;	1014	SV *sv;
1029	AV *defav = GvAV (PL_defgv);	1015	AV *defav = GvAV (PL_defgv);
1030	struct coro prev, next;	1016	struct coro prev, next;
1031		1017
1032	if (!returnstk)	1018	yieldstack = *hv_fetch (
1033	returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));	1019	(HV *)SvRV (GvSV (coro_current)),
		1020	"yieldstack", sizeof ("yieldstack") - 1,
		1021	0
		1022	);
1034		1023
1035	/* set up @_ -- ugly */	1024	/* set up @_ -- ugly */
1036	av_clear (defav);	1025	av_clear (defav);
1037	av_fill (defav, items - 1);	1026	av_fill (defav, items - 1);
1038	while (items--)	1027	while (items--)
1039	av_store (defav, items, SvREFCNT_inc (ST(items)));	1028	av_store (defav, items, SvREFCNT_inc (ST(items)));
1040		1029
1041	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1042	sv = av_pop ((AV *)SvRV (returnstk));	1030	sv = av_pop ((AV *)SvRV (yieldstack));
1043	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1031	prev = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0))));
1044	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1032	next = INT2PTR (struct coro , SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0))));
1045	SvREFCNT_dec (sv);	1033	SvREFCNT_dec (sv);
1046		1034
1047	transfer(aTHX_ prev, next, 0);	1035	transfer (aTHX_ prev, next, 0);
1048		1036
1049	MODULE = Coro::State PACKAGE = Coro	1037	MODULE = Coro::State PACKAGE = Coro
1050
1051	# this is slightly dirty (should expose a c-level api)
1052		1038
1053	BOOT:	1039	BOOT:
1054	{	1040	{
1055	int i;	1041	int i;
1056	HV *stash = gv_stashpv ("Coro", TRUE);	1042	HV *stash = gv_stashpv ("Coro", TRUE);
…		…
1076	coroapi.ready = api_ready;	1062	coroapi.ready = api_ready;
1077	coroapi.nready = &coro_nready;	1063	coroapi.nready = &coro_nready;
1078	coroapi.current = coro_current;	1064	coroapi.current = coro_current;
1079		1065
1080	GCoroAPI = &coroapi;	1066	GCoroAPI = &coroapi;
1081	sv_setiv(sv, (IV)&coroapi);	1067	sv_setiv (sv, (IV)&coroapi);
1082	SvREADONLY_on(sv);	1068	SvREADONLY_on (sv);
1083	}	1069	}
1084	}	1070	}
1085		1071
1086	#if !PERL_MICRO	1072	#if !PERL_MICRO
1087		1073
…		…
1112	cede(...)	1098	cede(...)
1113	PROTOTYPE:	1099	PROTOTYPE:
1114	CODE:	1100	CODE:
1115	api_cede ();	1101	api_cede ();
1116		1102
		1103	# and these are hacks
		1104	SV *
		1105	_aio_get_state ()
		1106	CODE:
		1107	{
		1108	struct {
		1109	int errorno;
		1110	int laststype;
		1111	int laststatval;
		1112	Stat_t statcache;
		1113	} data;
		1114
		1115	data.errorno = errno;
		1116	data.laststype = PL_laststype;
		1117	data.laststatval = PL_laststatval;
		1118	data.statcache = PL_statcache;
		1119
		1120	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1121	}
		1122	OUTPUT:
		1123	RETVAL
		1124
		1125	void
		1126	_aio_set_state (char *data_)
		1127	PROTOTYPE: $
		1128	CODE:
		1129	{
		1130	struct {
		1131	int errorno;
		1132	int laststype;
		1133	int laststatval;
		1134	Stat_t statcache;
		1135	} data = (void )data_;
		1136
		1137	errno = data->errorno;
		1138	PL_laststype = data->laststype;
		1139	PL_laststatval = data->laststatval;
		1140	PL_statcache = data->statcache;
		1141	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.51 by pcg, Sun Nov 30 17:03:48 2003 UTC vs. Revision 1.82 by root, Mon Nov 20 22:26:16 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.51 by pcg, Sun Nov 30 17:03:48 2003 UTC vs.
Revision 1.82 by root, Mon Nov 20 22:26:16 2006 UTC