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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.23 by root, Tue Aug 14 04:33:58 2001 UTC vs.
Revision 1.56 by pcg, Thu Apr 1 02:41:05 2004 UTC

…		…
		1	#define PERL_NO_GET_CONTEXT
		2
1	#include "EXTERN.h"	3	#include "EXTERN.h"
2	#include "perl.h"	4	#include "perl.h"
3	#include "XSUB.h"	5	#include "XSUB.h"
4		6
		7	#include "patchlevel.h"
		8
		9	#if PATCHLEVEL < 6
		10	# ifndef PL_ppaddr
		11	# define PL_ppaddr ppaddr
		12	# endif
		13	# ifndef call_sv
		14	# define call_sv perl_call_sv
		15	# endif
		16	# ifndef get_sv
		17	# define get_sv perl_get_sv
		18	# endif
		19	# ifndef get_cv
		20	# define get_cv perl_get_cv
		21	# endif
		22	# ifndef IS_PADGV
		23	# define IS_PADGV(v) 0
		24	# endif
		25	# ifndef IS_PADCONST
		26	# define IS_PADCONST(v) 0
		27	# endif
		28	#endif
		29
5	#include "libcoro/coro.c"	30	#include "libcoro/coro.c"
6		31
7	#include <signal.h>	32	#include <signal.h>
8		33
9	#ifdef HAVE_MMAP	34	#ifdef HAVE_MMAP
10	# include <unistd.h>	35	# include <unistd.h>
11	# include <sys/mman.h>	36	# include <sys/mman.h>
12	# ifndef MAP_ANON
13	# ifdef MAP_ANONYMOUS	37	# ifndef MAP_ANONYMOUS
14	# define MAP_ANON MAP_ANONYMOUS	38	# ifdef MAP_ANON
		39	# define MAP_ANONYMOUS MAP_ANON
15	# else	40	# else
16	# undef HAVE_MMAP	41	# undef HAVE_MMAP
17	# endif	42	# endif
18	# endif	43	# endif
19	#endif	44	#endif
20		45
21	#define MAY_FLUSH /* increases codesize */
22
23	#define SUB_INIT "Coro::State::initialize"	46	#define SUB_INIT "Coro::State::initialize"
24	#define UCORO_STATE "_coro_state"	47	#define UCORO_STATE "_coro_state"
25		48
26	/* The next macro should delcare a variable stacklevel that contains and approximation	49	/* 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	50	* to the current C stack pointer. Its property is that it changes with each call
28	* and should be unique. */	51	* and should be unique. */
29	#define dSTACKLEVEL void *stacklevel = &stacklevel	52	#define dSTACKLEVEL void *stacklevel = &stacklevel
30		53
		54	#define IN_DESTRUCT (PL_main_cv == Nullcv)
		55
31	#define labs(l) ((l) >= 0 ? (l) : -(l))	56	#define labs(l) ((l) >= 0 ? (l) : -(l))
32		57
33	#include "CoroAPI.h"	58	#include "CoroAPI.h"
34		59
		60	#ifdef USE_ITHREADS
		61	static perl_mutex coro_mutex;
		62	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
		63	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
		64	#else
		65	# define LOCK 0
		66	# define UNLOCK 0
		67	#endif
		68
35	static struct CoroAPI coroapi;	69	static struct CoroAPI coroapi;
		70	static AV main_mainstack; / used to differentiate between $main and others */
		71	static HV *coro_state_stash;
		72	static SV *ucoro_state_sv;
		73	static U32 ucoro_state_hash;
		74	static __thread SV coro_mortal; / will be freed after next transfer */
36		75
37	/* this is actually not only the c stack but also c registers etc... */	76	/* this is actually not only the c stack but also c registers etc... */
38	typedef struct {	77	typedef struct {
39	int refcnt; /* pointer reference counter */	78	int refcnt; /* pointer reference counter */
40	int usecnt; /* shared by how many coroutines */	79	int usecnt; /* shared by how many coroutines */
45	void *sptr;	84	void *sptr;
46	long ssize; /* positive == mmap, otherwise malloc */	85	long ssize; /* positive == mmap, otherwise malloc */
47	} coro_stack;	86	} coro_stack;
48		87
49	struct coro {	88	struct coro {
		89	/* the top-level JMPENV for each coroutine, needed to catch dies. */
		90	JMPENV start_env;
		91
50	/* the optional C context */	92	/* the optional C context */
51	coro_stack *stack;	93	coro_stack *stack;
52	void *cursp;	94	void *cursp;
53	int gencnt;	95	int gencnt;
54		96
…		…
66	AV *curstack;	108	AV *curstack;
67	AV *mainstack;	109	AV *mainstack;
68	SV **stack_sp;	110	SV **stack_sp;
69	OP *op;	111	OP *op;
70	SV **curpad;	112	SV **curpad;
		113	AV *comppad;
71	SV **stack_base;	114	SV **stack_base;
72	SV **stack_max;	115	SV **stack_max;
73	SV **tmps_stack;	116	SV **tmps_stack;
74	I32 tmps_floor;	117	I32 tmps_floor;
75	I32 tmps_ix;	118	I32 tmps_ix;
…		…
94	};	137	};
95		138
96	typedef struct coro *Coro__State;	139	typedef struct coro *Coro__State;
97	typedef struct coro *Coro__State_or_hashref;	140	typedef struct coro *Coro__State_or_hashref;
98		141
99	static AV main_mainstack; / used to differentiate between $main and others */
100	static HV *coro_state_stash;
101	static SV *ucoro_state_sv;
102	static U32 ucoro_state_hash;
103	static HV *padlist_cache;
104
105	/* mostly copied from op.c:cv_clone2 */	142	/* mostly copied from op.c:cv_clone2 */
106	STATIC AV *	143	STATIC AV *
107	clone_padlist (AV *protopadlist)	144	clone_padlist (pTHX_ AV *protopadlist)
108	{	145	{
109	AV *av;	146	AV *av;
110	I32 ix;	147	I32 ix;
111	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);	148	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
112	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);	149	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
…		…
136	AvFLAGS (av) = AVf_REIFY;	173	AvFLAGS (av) = AVf_REIFY;
137		174
138	for (ix = fpad; ix > 0; ix--)	175	for (ix = fpad; ix > 0; ix--)
139	{	176	{
140	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;	177	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
		178
141	if (namesv && namesv != &PL_sv_undef)	179	if (namesv && namesv != &PL_sv_undef)
142	{	180	{
143	char name = SvPVX (namesv); / XXX */	181	char name = SvPVX (namesv); / XXX */
		182
144	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')	183	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
145	{ /* lexical from outside? */	184	{ /* lexical from outside? */
146	npad[ix] = SvREFCNT_inc (ppad[ix]);	185	npad[ix] = SvREFCNT_inc (ppad[ix]);
147	}	186	}
148	else	187	else
…		…
154	sv = (SV *) newAV ();	193	sv = (SV *) newAV ();
155	else if (*name == '%')	194	else if (*name == '%')
156	sv = (SV *) newHV ();	195	sv = (SV *) newHV ();
157	else	196	else
158	sv = NEWSV (0, 0);	197	sv = NEWSV (0, 0);
		198
		199	#ifdef SvPADBUSY
159	if (!SvPADBUSY (sv))	200	if (!SvPADBUSY (sv))
		201	#endif
160	SvPADMY_on (sv);	202	SvPADMY_on (sv);
		203
161	npad[ix] = sv;	204	npad[ix] = sv;
162	}	205	}
163	}	206	}
164	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))	207	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
165	{	208	{
…		…
194	#endif	237	#endif
195		238
196	return newpadlist;	239	return newpadlist;
197	}	240	}
198		241
199	#ifdef MAY_FLUSH	242	STATIC void
200	STATIC AV *
201	free_padlist (AV *padlist)	243	free_padlist (pTHX_ AV *padlist)
202	{	244	{
203	/* may be during global destruction */	245	/* may be during global destruction */
204	if (SvREFCNT(padlist))	246	if (SvREFCNT (padlist))
205	{	247	{
206	I32 i = AvFILLp(padlist);	248	I32 i = AvFILLp (padlist);
207	while (i >= 0)	249	while (i >= 0)
208	{	250	{
209	SV **svp = av_fetch(padlist, i--, FALSE);	251	SV **svp = av_fetch (padlist, i--, FALSE);
210	SV sv = svp ? svp : Nullsv;
211	if (sv)	252	if (svp)
		253	{
		254	SV *sv;
		255	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))
212	SvREFCNT_dec(sv);	256	SvREFCNT_dec (sv);
		257
		258	SvREFCNT_dec (*svp);
		259	}
213	}	260	}
214		261
215	SvREFCNT_dec((SV*)padlist);	262	SvREFCNT_dec ((SV*)padlist);
216	}	263	}
217	}	264	}
218	#endif	265
		266	STATIC int
		267	coro_cv_free (pTHX_ SV sv, MAGIC mg)
		268	{
		269	AV *padlist;
		270	AV av = (AV )mg->mg_obj;
		271
		272	/* casting is fun. */
		273	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
		274	free_padlist (aTHX_ padlist);
		275	}
		276
		277	#define PERL_MAGIC_coro PERL_MAGIC_ext
		278
		279	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
219		280
220	/* the next two functions merely cache the padlists */	281	/* the next two functions merely cache the padlists */
221	STATIC void	282	STATIC void
222	get_padlist (CV *cv)	283	get_padlist (pTHX_ CV *cv)
223	{	284	{
224	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 0);	285	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
225		286
226	if (he && AvFILLp ((AV )he) >= 0)	287	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
227	CvPADLIST (cv) = (AV )av_pop ((AV )*he);	288	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
228	else	289	else
229	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	290	CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));
230	}	291	}
231		292
232	STATIC void	293	STATIC void
233	put_padlist (CV *cv)	294	put_padlist (pTHX_ CV *cv)
234	{	295	{
235	SV *he = hv_fetch (padlist_cache, (void )&cv, sizeof (CV *), 1);	296	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
236		297
237	if (SvTYPE (*he) != SVt_PVAV)	298	if (!mg)
238	{	299	{
239	SvREFCNT_dec (*he);	300	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
		301	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
		302	mg->mg_virtual = &vtbl_coro;
240	he = (SV )newAV ();	303	mg->mg_obj = (SV *)newAV ();
241	}	304	}
242		305
243	av_push ((AV )he, (SV *)CvPADLIST (cv));	306	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));
244	}	307	}
245
246	#ifdef MAY_FLUSH
247	STATIC void
248	flush_padlist_cache ()
249	{
250	HV *hv = padlist_cache;
251	padlist_cache = newHV ();
252
253	if (hv_iterinit (hv))
254	{
255	HE *he;
256	AV *padlist;
257
258	while (!!(he = hv_iternext (hv)))
259	{
260	AV av = (AV )HeVAL(he);
261
262	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);
265	}
266	}
267
268	SvREFCNT_dec (hv);
269	}
270	#endif
271		308
272	#define SB do {	309	#define SB do {
273	#define SE } while (0)	310	#define SE } while (0)
274		311
275	#define LOAD(state) SB load_state(aTHX_ (state)); SPAGAIN; SE	312	#define LOAD(state) load_state(aTHX_ (state));
276	#define SAVE(state,flags) SB PUTBACK; save_state(aTHX_ (state),(flags)); SE	313	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
277		314
278	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE	315	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
279		316
280	static void	317	static void
281	load_state(pTHX_ Coro__State c)	318	load_state(pTHX_ Coro__State c)
282	{	319	{
283	PL_dowarn = c->dowarn;	320	PL_dowarn = c->dowarn;
…		…
287	PL_curstack = c->curstack;	324	PL_curstack = c->curstack;
288	PL_mainstack = c->mainstack;	325	PL_mainstack = c->mainstack;
289	PL_stack_sp = c->stack_sp;	326	PL_stack_sp = c->stack_sp;
290	PL_op = c->op;	327	PL_op = c->op;
291	PL_curpad = c->curpad;	328	PL_curpad = c->curpad;
		329	PL_comppad = c->comppad;
292	PL_stack_base = c->stack_base;	330	PL_stack_base = c->stack_base;
293	PL_stack_max = c->stack_max;	331	PL_stack_max = c->stack_max;
294	PL_tmps_stack = c->tmps_stack;	332	PL_tmps_stack = c->tmps_stack;
295	PL_tmps_floor = c->tmps_floor;	333	PL_tmps_floor = c->tmps_floor;
296	PL_tmps_ix = c->tmps_ix;	334	PL_tmps_ix = c->tmps_ix;
…		…
323	{	361	{
324	AV padlist = (AV )POPs;	362	AV padlist = (AV )POPs;
325		363
326	if (padlist)	364	if (padlist)
327	{	365	{
328	put_padlist (cv); /* mark this padlist as available */	366	put_padlist (aTHX_ cv); /* mark this padlist as available */
329	CvPADLIST(cv) = padlist;	367	CvPADLIST(cv) = padlist;
330	#ifdef USE_THREADS
331	/CvOWNER(cv) = (struct perl_thread )POPs;*/
332	#endif
333	}	368	}
334		369
335	++CvDEPTH(cv);	370	++CvDEPTH(cv);
336	}	371	}
337		372
…		…
355		390
356	PUSHs (Nullsv);	391	PUSHs (Nullsv);
357	/* this loop was inspired by pp_caller */	392	/* this loop was inspired by pp_caller */
358	for (;;)	393	for (;;)
359	{	394	{
360	do	395	while (cxix >= 0)
361	{	396	{
362	PERL_CONTEXT *cx = &ccstk[cxix--];	397	PERL_CONTEXT *cx = &ccstk[cxix--];
363		398
364	if (CxTYPE(cx) == CXt_SUB)	399	if (CxTYPE(cx) == CXt_SUB)
365	{	400	{
366	CV *cv = cx->blk_sub.cv;	401	CV *cv = cx->blk_sub.cv;
367	if (CvDEPTH(cv))	402	if (CvDEPTH(cv))
368	{	403	{
369	#ifdef USE_THREADS
370	/XPUSHs ((SV )CvOWNER(cv));*/
371	/CvOWNER(cv) = 0;/
372	/error must unlock this cv etc.. etc.../
373	#endif
374	EXTEND (SP, CvDEPTH(cv)*2);	404	EXTEND (SP, CvDEPTH(cv)*2);
375		405
376	while (--CvDEPTH(cv))	406	while (--CvDEPTH(cv))
377	{	407	{
378	/* this tells the restore code to increment CvDEPTH */	408	/* this tells the restore code to increment CvDEPTH */
…		…
381	}	411	}
382		412
383	PUSHs ((SV *)CvPADLIST(cv));	413	PUSHs ((SV *)CvPADLIST(cv));
384	PUSHs ((SV *)cv);	414	PUSHs ((SV *)cv);
385		415
386	get_padlist (cv); /* this is a monster */	416	get_padlist (aTHX_ cv); /* this is a monster */
387	}	417	}
388	}	418	}
		419	#ifdef CXt_FORMAT
389	else if (CxTYPE(cx) == CXt_FORMAT)	420	else if (CxTYPE(cx) == CXt_FORMAT)
390	{	421	{
391	/* I never used formats, so how should I know how these are implemented? */	422	/* I never used formats, so how should I know how these are implemented? */
392	/* my bold guess is as a simple, plain sub... */	423	/* my bold guess is as a simple, plain sub... */
393	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");	424	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
394	}	425	}
		426	#endif
395	}	427	}
396	while (cxix >= 0);
397		428
398	if (top_si->si_type == PERLSI_MAIN)	429	if (top_si->si_type == PERLSI_MAIN)
399	break;	430	break;
400		431
401	top_si = top_si->si_prev;	432	top_si = top_si->si_prev;
…		…
407	}	438	}
408		439
409	c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	440	c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
410	c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	441	c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
411	c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	442	c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
412
413	/* I have not the slightest idea of why av_reify is necessary */
414	/* but if it's missing the defav contents magically get replaced sometimes */
415	if (c->defav)
416	av_reify (c->defav);
417		443
418	c->dowarn = PL_dowarn;	444	c->dowarn = PL_dowarn;
419	c->in_eval = PL_in_eval;	445	c->in_eval = PL_in_eval;
420		446
421	c->curstackinfo = PL_curstackinfo;	447	c->curstackinfo = PL_curstackinfo;
422	c->curstack = PL_curstack;	448	c->curstack = PL_curstack;
423	c->mainstack = PL_mainstack;	449	c->mainstack = PL_mainstack;
424	c->stack_sp = PL_stack_sp;	450	c->stack_sp = PL_stack_sp;
425	c->op = PL_op;	451	c->op = PL_op;
426	c->curpad = PL_curpad;	452	c->curpad = PL_curpad;
		453	c->comppad = PL_comppad;
427	c->stack_base = PL_stack_base;	454	c->stack_base = PL_stack_base;
428	c->stack_max = PL_stack_max;	455	c->stack_max = PL_stack_max;
429	c->tmps_stack = PL_tmps_stack;	456	c->tmps_stack = PL_tmps_stack;
430	c->tmps_floor = PL_tmps_floor;	457	c->tmps_floor = PL_tmps_floor;
431	c->tmps_ix = PL_tmps_ix;	458	c->tmps_ix = PL_tmps_ix;
…		…
447	}	474	}
448		475
449	/*	476	/*
450	* allocate various perl stacks. This is an exact copy	477	* allocate various perl stacks. This is an exact copy
451	* of perl.c:init_stacks, except that it uses less memory	478	* of perl.c:init_stacks, except that it uses less memory
452	* on the assumption that coroutines do not usually need	479	* on the (sometimes correct) assumption that coroutines do
453	* a lot of stackspace.	480	* not usually need a lot of stackspace.
454	*/	481	*/
455	STATIC void	482	STATIC void
456	coro_init_stacks (pTHX)	483	coro_init_stacks (pTHX)
457	{	484	{
		485	LOCK;
		486
458	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	487	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
459	PL_curstackinfo->si_type = PERLSI_MAIN;	488	PL_curstackinfo->si_type = PERLSI_MAIN;
460	PL_curstack = PL_curstackinfo->si_stack;	489	PL_curstack = PL_curstackinfo->si_stack;
461	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	490	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
462		491
…		…
471		500
472	New(54,PL_markstack,16,I32);	501	New(54,PL_markstack,16,I32);
473	PL_markstack_ptr = PL_markstack;	502	PL_markstack_ptr = PL_markstack;
474	PL_markstack_max = PL_markstack + 16;	503	PL_markstack_max = PL_markstack + 16;
475		504
		505	#ifdef SET_MARK_OFFSET
476	SET_MARK_OFFSET;	506	SET_MARK_OFFSET;
		507	#endif
477		508
478	New(54,PL_scopestack,16,I32);	509	New(54,PL_scopestack,16,I32);
479	PL_scopestack_ix = 0;	510	PL_scopestack_ix = 0;
480	PL_scopestack_max = 16;	511	PL_scopestack_max = 16;
481		512
…		…
484	PL_savestack_max = 96;	515	PL_savestack_max = 96;
485		516
486	New(54,PL_retstack,8,OP*);	517	New(54,PL_retstack,8,OP*);
487	PL_retstack_ix = 0;	518	PL_retstack_ix = 0;
488	PL_retstack_max = 8;	519	PL_retstack_max = 8;
		520
		521	UNLOCK;
489	}	522	}
490		523
491	/*	524	/*
492	* destroy the stacks, the callchain etc...	525	* destroy the stacks, the callchain etc...
493	* still there is a memleak of 128 bytes...
494	*/	526	*/
495	STATIC void	527	STATIC void
496	destroy_stacks(pTHX)	528	destroy_stacks(pTHX)
497	{	529	{
		530	if (!IN_DESTRUCT)
		531	{
498	/* is this ugly, I ask? */	532	/* is this ugly, I ask? */
499	while (PL_scopestack_ix)	533	LEAVE_SCOPE (0);
500	LEAVE;
501		534
502	/* sure it is, but more important: is it correct?? :/ */	535	/* sure it is, but more important: is it correct?? :/ */
503	while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
504	FREETMPS;	536	FREETMPS;
		537	}
505		538
506	while (PL_curstackinfo->si_next)	539	while (PL_curstackinfo->si_next)
507	PL_curstackinfo = PL_curstackinfo->si_next;	540	PL_curstackinfo = PL_curstackinfo->si_next;
508		541
509	while (PL_curstackinfo)	542	while (PL_curstackinfo)
…		…
514	dSP;	547	dSP;
515	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	548	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
516	PUTBACK; /* possibly superfluous */	549	PUTBACK; /* possibly superfluous */
517	}	550	}
518		551
		552	if (!IN_DESTRUCT)
		553	{
519	dounwind(-1);	554	dounwind(-1);
520
521	SvREFCNT_dec(PL_curstackinfo->si_stack);	555	SvREFCNT_dec(PL_curstackinfo->si_stack);
		556	}
		557
522	Safefree(PL_curstackinfo->si_cxstack);	558	Safefree(PL_curstackinfo->si_cxstack);
523	Safefree(PL_curstackinfo);	559	Safefree(PL_curstackinfo);
524	PL_curstackinfo = p;	560	PL_curstackinfo = p;
525	}	561	}
526		562
…		…
539	New (0, stack, 1, coro_stack);	575	New (0, stack, 1, coro_stack);
540		576
541	stack->refcnt = 1;	577	stack->refcnt = 1;
542	stack->usecnt = 1;	578	stack->usecnt = 1;
543	stack->gencnt = ctx->gencnt = 0;	579	stack->gencnt = ctx->gencnt = 0;
		580
544	if (alloc)	581	if (alloc)
545	{	582	{
546	#ifdef HAVE_MMAP	583	#if HAVE_MMAP
547	stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */	584	stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */
548	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANON, 0, 0);	585	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
549	if (stack->sptr == (void *)-1)	586	if (stack->sptr == (void *)-1)
550	#endif	587	#endif
551	{	588	{
552	/FIXME//D//* reasonable stack size! */	589	/FIXME//D//* reasonable stack size! */
553	stack->ssize = -4096 * sizeof (long);	590	stack->ssize = - (8192 * sizeof (long));
554	New (0, stack->sptr, 4096, long);	591	New (0, stack->sptr, 8192, long);
555	}	592	}
556	}	593	}
557	else	594	else
558	stack->sptr = 0;	595	stack->sptr = 0;
559		596
…		…
573	{	610	{
574	#ifdef HAVE_MMAP	611	#ifdef HAVE_MMAP
575	if (stack->ssize > 0 && stack->sptr)	612	if (stack->ssize > 0 && stack->sptr)
576	munmap (stack->sptr, stack->ssize);	613	munmap (stack->sptr, stack->ssize);
577	else	614	else
578	#else	615	#endif
579	Safefree (stack->sptr);	616	Safefree (stack->sptr);
580	#endif	617
581	Safefree (stack);	618	Safefree (stack);
582	}	619	}
583	else if (ctx->gencnt == stack->gencnt)	620	else if (ctx->gencnt == stack->gencnt)
584	--stack->usecnt;	621	--stack->usecnt;
585	}	622	}
…		…
589	setup_coro (void *arg)	626	setup_coro (void *arg)
590	{	627	{
591	/*	628	/*
592	* emulate part of the perl startup here.	629	* emulate part of the perl startup here.
593	*/	630	*/
		631	dTHX;
594	dSP;	632	dSP;
595	Coro__State ctx = (Coro__State)arg;	633	Coro__State ctx = (Coro__State)arg;
596	SV sub_init = (SV)get_cv(SUB_INIT, FALSE);	634	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
597		635
598	coro_init_stacks (aTHX);	636	coro_init_stacks (aTHX);
599	/PL_curcop = 0;/	637	/PL_curcop = 0;/
600	/PL_in_eval = PL_in_eval;/ /* inherit */	638	/PL_in_eval = PL_in_eval;/ /* inherit */
601	SvREFCNT_dec (GvAV (PL_defgv));	639	SvREFCNT_dec (GvAV (PL_defgv));
602	GvAV (PL_defgv) = ctx->args;	640	GvAV (PL_defgv) = ctx->args; ctx->args = 0;
603		641
604	SPAGAIN;	642	SPAGAIN;
605		643
606	if (ctx->stack)	644	if (ctx->stack)
607	{	645	{
…		…
634	* that doesn't matter, though, since it is only	672	* that doesn't matter, though, since it is only
635	* pp_nextstate and we never return...	673	* pp_nextstate and we never return...
636	* ah yes, and I don't care anyways ;)	674	* ah yes, and I don't care anyways ;)
637	*/	675	*/
638	PUTBACK;	676	PUTBACK;
639	PL_op = pp_entersub();	677	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
640	SPAGAIN;	678	SPAGAIN;
641		679
642	ENTER; /* necessary e.g. for dounwind */	680	ENTER; /* necessary e.g. for dounwind */
643	}	681	}
644	}	682	}
…		…
647	continue_coro (void *arg)	685	continue_coro (void *arg)
648	{	686	{
649	/*	687	/*
650	* this is a _very_ stripped down perl interpreter ;)	688	* this is a _very_ stripped down perl interpreter ;)
651	*/	689	*/
		690	dTHX;
652	Coro__State ctx = (Coro__State)arg;	691	Coro__State ctx = (Coro__State)arg;
		692	JMPENV coro_start_env;
653		693
654	/FIXME//* must set up top_env here */	694	PL_top_env = &ctx->start_env;
		695
655	ctx->cursp = 0;	696	ctx->cursp = 0;
656	PL_op = PL_op->op_next;	697	PL_op = PL_op->op_next;
657	CALLRUNOPS(aTHX);	698	CALLRUNOPS(aTHX);
658		699
659	abort ();	700	abort ();
660	}	701	}
661		702
662	STATIC void	703	STATIC void
663	transfer(pTHX_ struct coro prev, struct coro next, int flags)	704	transfer (pTHX_ struct coro prev, struct coro next, int flags)
664	{	705	{
665	dSP;
666	dSTACKLEVEL;	706	dSTACKLEVEL;
667		707
668	if (prev != next)	708	if (prev != next)
669	{	709	{
670	if (next->mainstack)	710	if (next->mainstack)
671	{	711	{
		712	LOCK;
672	SAVE (prev, flags);	713	SAVE (prev, flags);
673	LOAD (next);	714	LOAD (next);
		715	UNLOCK;
674		716
675	/* mark this state as in-use */	717	/* mark this state as in-use */
676	next->mainstack = 0;	718	next->mainstack = 0;
677	next->tmps_ix = -2;	719	next->tmps_ix = -2;
678		720
…		…
697	continue_coro, (void *)next,	739	continue_coro, (void *)next,
698	next->stack->sptr, labs (next->stack->ssize));	740	next->stack->sptr, labs (next->stack->ssize));
699	}	741	}
700		742
701	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	743	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		744	prev->cursp = stacklevel;
		745	/* don't add any code here */
702	}	746	}
703		747	else
		748	next->cursp = stacklevel;
704	}	749	}
705	else if (next->tmps_ix == -2)	750	else if (next->tmps_ix == -2)
706	croak ("tried to transfer to running coroutine");	751	croak ("tried to transfer to running coroutine");
707	else	752	else
708	{	753	{
		754	LOCK;
709	SAVE (prev, -1); /* first get rid of the old state */	755	SAVE (prev, -1); /* first get rid of the old state */
		756	UNLOCK;
710		757
711	if (flags & TRANSFER_SAVE_CCTXT)	758	if (flags & TRANSFER_SAVE_CCTXT)
712	{	759	{
713	if (!prev->stack)	760	if (!prev->stack)
714	allocate_stack (prev, 0);	761	allocate_stack (prev, 0);
715		762
716	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	763	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
717	{	764	{
		765	PL_top_env = &next->start_env;
		766
718	setup_coro (next);	767	setup_coro (next);
		768	next->cursp = stacklevel;
719		769
720	prev->stack->refcnt++;	770	prev->stack->refcnt++;
721	prev->stack->usecnt++;	771	prev->stack->usecnt++;
722	next->stack = prev->stack;	772	next->stack = prev->stack;
723	next->gencnt = prev->gencnt;	773	next->gencnt = prev->gencnt;
724	}	774	}
725	else	775	else
726	{	776	{
		777	assert (!next->stack);
727	allocate_stack (next, 1);	778	allocate_stack (next, 1);
728	coro_create (&(next->stack->cctx),	779	coro_create (&(next->stack->cctx),
729	setup_coro, (void *)next,	780	setup_coro, (void *)next,
730	next->stack->sptr, labs (next->stack->ssize));	781	next->stack->sptr, labs (next->stack->ssize));
731	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));	782	coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
		783	prev->cursp = stacklevel;
		784	/* don't add any code here */
732	}	785	}
733	}	786	}
734	else	787	else
		788	{
735	setup_coro (next);	789	setup_coro (next);
		790	next->cursp = stacklevel;
		791	}
736	}	792	}
737	}	793	}
738		794
739	next->cursp = stacklevel;	795	LOCK;
740	}	796	if (coro_mortal)
741
742	static struct coro *
743	sv_to_coro (SV arg, const char funcname, const char *varname)
744	{
745	if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVHV)
746	{	797	{
747	HE he = hv_fetch_ent((HV )SvRV(arg), ucoro_state_sv, 0, ucoro_state_hash);	798	SvREFCNT_dec (coro_mortal);
748		799	coro_mortal = 0;
749	if (!he)
750	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", funcname, varname);
751
752	arg = HeVAL(he);
753	}	800	}
754		801	UNLOCK;
		802	}
		803
		804	#define SV_CORO(sv,func) \
		805	do { \
		806	if (SvROK (sv)) \
		807	sv = SvRV (sv); \
		808	\
		809	if (SvTYPE (sv) == SVt_PVHV) \
		810	{ \
		811	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
		812	\
		813	if (!he) \
		814	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
		815	\
		816	(sv) = SvRV (HeVAL(he)); \
		817	} \
		818	\
755	/* must also be changed inside Coro::Cont::yield */	819	/* must also be changed inside Coro::Cont::yield */ \
756	if (SvROK(arg) && SvSTASH(SvRV(arg)) == coro_state_stash)	820	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
757	return (struct coro ) SvIV((SV)SvRV(arg));
758	else
759	croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname);	821	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
760	}	822	\
		823	} while(0)
		824
		825	#define SvSTATE(sv) (struct coro *)SvIV (sv)
761		826
762	static void	827	static void
763	api_transfer(pTHX_ SV prev, SV next, int flags)	828	api_transfer(pTHX_ SV prev, SV next, int flags)
764	{	829	{
765	transfer(aTHX_ sv_to_coro (prev, "Coro::transfer", "prev"),	830	SV_CORO (prev, "Coro::transfer");
766	sv_to_coro (next, "Coro::transfer", "next"),	831	SV_CORO (next, "Coro::transfer");
767	flags);	832
		833	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
768	}	834	}
769		835
770	/ Coro ******************************************************************/	836	/ Coro ******************************************************************/
771		837
772	#define PRIO_MAX 3	838	#define PRIO_MAX 3
…		…
777	#define PRIO_MIN -4	843	#define PRIO_MIN -4
778		844
779	/* for Coro.pm */	845	/* for Coro.pm */
780	static GV coro_current, coro_idle;	846	static GV coro_current, coro_idle;
781	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	847	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
		848	static int coro_nready;
782		849
783	static void	850	static void
784	coro_enq (SV *sv)	851	coro_enq (pTHX_ SV *sv)
785	{	852	{
786	if (SvROK (sv))	853	if (SvTYPE (sv) == SVt_PVHV)
787	{	854	{
788	SV *hv = SvRV (sv);
789	if (SvTYPE (hv) == SVt_PVHV)
790	{
791	SV *xprio = hv_fetch ((HV )hv, "prio", 4, 0);	855	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
792	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;	856	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
793		857
794	prio = prio > PRIO_MAX ? PRIO_MAX	858	prio = prio > PRIO_MAX ? PRIO_MAX
795	: prio < PRIO_MIN ? PRIO_MIN	859	: prio < PRIO_MIN ? PRIO_MIN
796	: prio;	860	: prio;
797		861
798	av_push (coro_ready [prio - PRIO_MIN], sv);	862	av_push (coro_ready [prio - PRIO_MIN], sv);
		863	coro_nready++;
799		864
800	return;	865	return;
801	}
802	}	866	}
803		867
804	croak ("Coro::ready tried to enqueue something that is not a coroutine");	868	croak ("Coro::ready tried to enqueue something that is not a coroutine");
805	}	869	}
806		870
807	static SV *	871	static SV *
808	coro_deq (int min_prio)	872	coro_deq (pTHX_ int min_prio)
809	{	873	{
810	int prio = PRIO_MAX - PRIO_MIN;	874	int prio = PRIO_MAX - PRIO_MIN;
811		875
812	min_prio -= PRIO_MIN;	876	min_prio -= PRIO_MIN;
813	if (min_prio < 0)	877	if (min_prio < 0)
814	min_prio = 0;	878	min_prio = 0;
815		879
816	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	880	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
817	if (av_len (coro_ready[prio]) >= 0)	881	if (av_len (coro_ready[prio]) >= 0)
		882	{
		883	coro_nready--;
818	return av_shift (coro_ready[prio]);	884	return av_shift (coro_ready[prio]);
		885	}
819		886
820	return 0;	887	return 0;
821	}	888	}
822		889
823	static void	890	static void
824	api_ready (SV *coro)	891	api_ready (SV *coro)
825	{	892	{
		893	dTHX;
		894
		895	if (SvROK (coro))
		896	coro = SvRV (coro);
		897
		898	LOCK;
826	coro_enq (SvREFCNT_inc (coro));	899	coro_enq (aTHX_ SvREFCNT_inc (coro));
		900	UNLOCK;
827	}	901	}
828		902
829	static void	903	static void
830	api_schedule (int cede)	904	api_schedule (void)
831	{	905	{
		906	dTHX;
		907
832	SV prev, next;	908	SV prev, next;
833		909
		910	LOCK;
		911
834	prev = GvSV (coro_current);	912	prev = SvRV (GvSV (coro_current));
835
836	if (cede)
837	coro_enq (SvREFCNT_inc (prev));
838
839	next = coro_deq (PRIO_MIN);	913	next = coro_deq (aTHX_ PRIO_MIN);
840		914
841	if (!next)	915	if (!next)
842	next = SvREFCNT_inc (GvSV (coro_idle));	916	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
843		917
844	GvSV (coro_current) = SvREFCNT_inc (next);	918	/* free this only after the transfer */
845	transfer (sv_to_coro (prev, "Coro::schedule", "current coroutine"),	919	coro_mortal = prev;
846	sv_to_coro (next, "Coro::schedule", "next coroutine"),	920	SV_CORO (prev, "Coro::schedule");
		921
		922	SvRV (GvSV (coro_current)) = next;
		923
		924	SV_CORO (next, "Coro::schedule");
		925
		926	UNLOCK;
		927
		928	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
847	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	929	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
848	SvREFCNT_dec (next);	930	}
849	SvREFCNT_dec (prev);	931
		932	static void
		933	api_cede (void)
		934	{
		935	dTHX;
		936
		937	LOCK;
		938	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
		939	UNLOCK;
		940
		941	api_schedule ();
850	}	942	}
851		943
852	MODULE = Coro::State PACKAGE = Coro::State	944	MODULE = Coro::State PACKAGE = Coro::State
853		945
854	PROTOTYPES: ENABLE	946	PROTOTYPES: ENABLE
855		947
856	BOOT:	948	BOOT:
857	{ /* {} necessary for stoopid perl-5.6.x */	949	{ /* {} necessary for stoopid perl-5.6.x */
		950	#ifdef USE_ITHREADS
		951	MUTEX_INIT (&coro_mutex);
		952	#endif
		953
858	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	954	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
859	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	955	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
860	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	956	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
861		957
862	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));	958	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
863	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));	959	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
864	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));	960	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
865	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));	961	newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
866		962
867	if (!padlist_cache)
868	padlist_cache = newHV ();
869
870	main_mainstack = PL_mainstack;	963	main_mainstack = PL_mainstack;
871		964
872	{
873	SV *sv = perl_get_sv("Coro::API", 1);
874
875	coroapi.ver = CORO_API_VERSION - 1;	965	coroapi.ver = CORO_API_VERSION;
876	coroapi.transfer = api_transfer;	966	coroapi.transfer = api_transfer;
877	coroapi.schedule = api_schedule;
878	coroapi.ready = api_ready;
879
880	GCoroAPI = &coroapi;
881	sv_setiv(sv, (IV)&coroapi);
882	SvREADONLY_on(sv);
883	}
884	}	967	}
885		968
886	Coro::State	969	Coro::State
887	_newprocess(args)	970	_newprocess(args)
888	SV * args	971	SV * args
…		…
891	Coro__State coro;	974	Coro__State coro;
892		975
893	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)	976	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)
894	croak ("Coro::State::_newprocess expects an arrayref");	977	croak ("Coro::State::_newprocess expects an arrayref");
895		978
896	New (0, coro, 1, struct coro);	979	Newz (0, coro, 1, struct coro);
897		980
898	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	981	coro->args = (AV *)SvREFCNT_inc (SvRV (args));
899	coro->mainstack = 0; /* actual work is done inside transfer */	982	coro->mainstack = 0; /* actual work is done inside transfer */
900	coro->stack = 0;	983	coro->stack = 0;
901		984
		985	/* same as JMPENV_BOOTSTRAP */
		986	/* we might be able to recycle start_env, but safe is safe */
		987	//Zero(&coro->start_env, 1, JMPENV);
		988	coro->start_env.je_ret = -1;
		989	coro->start_env.je_mustcatch = TRUE;
		990
902	RETVAL = coro;	991	RETVAL = coro;
903	OUTPUT:	992	OUTPUT:
904	RETVAL	993	RETVAL
905		994
906	void	995	void
907	transfer(prev, next, flags)	996	transfer(prev, next, flags)
908	Coro::State_or_hashref prev	997	SV *prev
909	Coro::State_or_hashref next	998	SV *next
910	int flags	999	int flags
911	PROTOTYPE: @	1000	PROTOTYPE: @
912	CODE:	1001	CODE:
913	PUTBACK;	1002	PUTBACK;
		1003	SV_CORO (next, "Coro::transfer");
		1004	SV_CORO (prev, "Coro::transfer");
914	transfer (aTHX_ prev, next, flags);	1005	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
915	SPAGAIN;	1006	SPAGAIN;
916		1007
917	void	1008	void
918	DESTROY(coro)	1009	DESTROY(coro)
919	Coro::State coro	1010	Coro::State coro
…		…
921		1012
922	if (coro->mainstack && coro->mainstack != main_mainstack)	1013	if (coro->mainstack && coro->mainstack != main_mainstack)
923	{	1014	{
924	struct coro temp;	1015	struct coro temp;
925		1016
		1017	PUTBACK;
926	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	1018	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);
927	LOAD(aTHX_ coro);	1019	LOAD(aTHX_ coro);
		1020	SPAGAIN;
928		1021
929	destroy_stacks (aTHX);	1022	destroy_stacks (aTHX);
930		1023
931	LOAD((&temp)); /* this will get rid of defsv etc.. */	1024	LOAD((&temp)); /* this will get rid of defsv etc.. */
		1025	SPAGAIN;
932		1026
933	coro->mainstack = 0;	1027	coro->mainstack = 0;
934	}	1028	}
935		1029
936	deallocate_stack (coro);	1030	deallocate_stack (coro);
937		1031	SvREFCNT_dec (coro->args);
938	Safefree (coro);	1032	Safefree (coro);
939
940	void
941	flush()
942	CODE:
943	#ifdef MAY_FLUSH
944	flush_padlist_cache ();
945	#endif
946		1033
947	void	1034	void
948	_exit(code)	1035	_exit(code)
949	int code	1036	int code
950	PROTOTYPE: $	1037	PROTOTYPE: $
951	CODE:	1038	CODE:
952	#if defined(__GLIBC__) \|\| _POSIX_C_SOURCE
953	_exit (code);	1039	_exit (code);
954	#else
955	signal (SIGTERM, SIG_DFL);
956	raise (SIGTERM);
957	exit (code);
958	#endif
959		1040
960	MODULE = Coro::State PACKAGE = Coro::Cont	1041	MODULE = Coro::State PACKAGE = Coro::Cont
961		1042
962	# this is slightly dirty (should expose a c-level api)	1043	# this is slightly dirty (should expose a c-level api)
963		1044
…		…
969	SV *sv;	1050	SV *sv;
970	AV *defav = GvAV (PL_defgv);	1051	AV *defav = GvAV (PL_defgv);
971	struct coro prev, next;	1052	struct coro prev, next;
972		1053
973	if (!returnstk)	1054	if (!returnstk)
974	returnstk = SvRV (get_sv ("Coro::Cont::return", FALSE));	1055	returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));
975		1056
976	/* set up @_ -- ugly */	1057	/* set up @_ -- ugly */
977	av_clear (defav);	1058	av_clear (defav);
978	av_fill (defav, items - 1);	1059	av_fill (defav, items - 1);
979	while (items--)	1060	while (items--)
…		…
1006	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);	1087	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);
1007	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);	1088	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);
1008		1089
1009	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1090	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1010	coro_ready[i] = newAV ();	1091	coro_ready[i] = newAV ();
		1092
		1093	{
		1094	SV *sv = perl_get_sv("Coro::API", 1);
		1095
		1096	coroapi.schedule = api_schedule;
		1097	coroapi.cede = api_cede;
		1098	coroapi.ready = api_ready;
		1099	coroapi.nready = &coro_nready;
		1100	coroapi.current = coro_current;
		1101
		1102	GCoroAPI = &coroapi;
		1103	sv_setiv(sv, (IV)&coroapi);
		1104	SvREADONLY_on(sv);
		1105	}
1011	}	1106	}
		1107
		1108	#if !PERL_MICRO
1012		1109
1013	void	1110	void
1014	ready(self)	1111	ready(self)
1015	SV * self	1112	SV * self
		1113	PROTOTYPE: $
1016	CODE:	1114	CODE:
1017	api_ready (self);	1115	api_ready (self);
1018		1116
		1117	#endif
		1118
		1119	int
		1120	nready(...)
		1121	PROTOTYPE:
		1122	CODE:
		1123	RETVAL = coro_nready;
		1124	OUTPUT:
		1125	RETVAL
		1126
1019	void	1127	void
1020	schedule(...)	1128	schedule(...)
1021	ALIAS:	1129	PROTOTYPE:
1022	cede = 1
1023	CODE:	1130	CODE:
1024	api_schedule (ix);	1131	api_schedule ();
1025		1132
		1133	void
		1134	cede(...)
		1135	PROTOTYPE:
		1136	CODE:
		1137	api_cede ();
		1138

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Comparing Coro/Coro/State.xs (file contents): Revision 1.23 by root, Tue Aug 14 04:33:58 2001 UTC vs. Revision 1.56 by pcg, Thu Apr 1 02:41:05 2004 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.23 by root, Tue Aug 14 04:33:58 2001 UTC vs.
Revision 1.56 by pcg, Thu Apr 1 02:41:05 2004 UTC