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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.55 by pcg, Thu Apr 1 02:29:05 2004 UTC vs.
Revision 1.87 by root, Fri Nov 24 13:40:36 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
…		…
55		73
56	#include "CoroAPI.h"	74	#include "CoroAPI.h"
57		75
58	#ifdef USE_ITHREADS	76	#ifdef USE_ITHREADS
59	static perl_mutex coro_mutex;	77	static perl_mutex coro_mutex;
60	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	78	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
61	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	79	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
62	#else	80	#else
63	# define LOCK 0	81	# define LOCK (void)0
64	# define UNLOCK 0	82	# define UNLOCK (void)0
65	#endif	83	#endif
66		84
67	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 */
68		91
69	/* 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... */
70	typedef struct {	93	typedef struct {
71	int refcnt; /* pointer reference counter */	94	int refcnt; /* pointer reference counter */
72	int usecnt; /* shared by how many coroutines */	95	int usecnt; /* shared by how many coroutines */
…		…
77	void *sptr;	100	void *sptr;
78	long ssize; /* positive == mmap, otherwise malloc */	101	long ssize; /* positive == mmap, otherwise malloc */
79	} coro_stack;	102	} coro_stack;
80		103
81	struct coro {	104	struct coro {
82	/* the top-level JMPENV for each coroutine, needed to catch dies. */
83	JMPENV start_env;
84
85	/* the optional C context */	105	/* the optional C context */
86	coro_stack *stack;	106	coro_stack *stack;
87	void *cursp;	107	void *cursp;
88	int gencnt;	108	int gencnt;
89		109
…		…
102	AV *mainstack;	122	AV *mainstack;
103	SV **stack_sp;	123	SV **stack_sp;
104	OP *op;	124	OP *op;
105	SV **curpad;	125	SV **curpad;
106	AV *comppad;	126	AV *comppad;
		127	CV *compcv;
107	SV **stack_base;	128	SV **stack_base;
108	SV **stack_max;	129	SV **stack_max;
109	SV **tmps_stack;	130	SV **tmps_stack;
110	I32 tmps_floor;	131	I32 tmps_floor;
111	I32 tmps_ix;	132	I32 tmps_ix;
…		…
120	I32 savestack_ix;	141	I32 savestack_ix;
121	I32 savestack_max;	142	I32 savestack_max;
122	OP **retstack;	143	OP **retstack;
123	I32 retstack_ix;	144	I32 retstack_ix;
124	I32 retstack_max;	145	I32 retstack_max;
		146	PMOP *curpm;
125	COP *curcop;	147	COP *curcop;
126	JMPENV *top_env;	148	JMPENV *top_env;
127		149
		150	/* coro process data */
		151	int prio;
		152
128	/* data associated with this coroutine (initial args) */	153	/* data associated with this coroutine (initial args) */
129	AV *args;	154	AV *args;
		155	int refcnt;
130	};	156	};
131		157
132	typedef struct coro *Coro__State;	158	typedef struct coro *Coro__State;
133	typedef struct coro *Coro__State_or_hashref;	159	typedef struct coro *Coro__State_or_hashref;
134		160
135	static AV main_mainstack; / used to differentiate between $main and others */	161	static AV *
136	static HV *coro_state_stash;	162	coro_clone_padlist (pTHX_ CV *cv)
137	static SV *ucoro_state_sv;
138	static U32 ucoro_state_hash;
139	static SV coro_mortal; / will be freed after next transfer */
140
141	/* mostly copied from op.c:cv_clone2 */
142	STATIC AV *
143	clone_padlist (AV *protopadlist)
144	{	163	{
145	AV *av;	164	AV *padlist = CvPADLIST (cv);
146	I32 ix;
147	AV protopad_name = (AV ) * av_fetch (protopadlist, 0, FALSE);
148	AV protopad = (AV ) * av_fetch (protopadlist, 1, FALSE);
149	SV **pname = AvARRAY (protopad_name);
150	SV **ppad = AvARRAY (protopad);
151	I32 fname = AvFILLp (protopad_name);
152	I32 fpad = AvFILLp (protopad);
153	AV newpadlist, newpad_name, *newpad;	165	AV newpadlist, newpad;
154	SV **npad;
155
156	newpad_name = newAV ();
157	for (ix = fname; ix >= 0; ix--)
158	av_store (newpad_name, ix, SvREFCNT_inc (pname[ix]));
159
160	newpad = newAV ();
161	av_fill (newpad, AvFILLp (protopad));
162	npad = AvARRAY (newpad);
163		166
164	newpadlist = newAV ();	167	newpadlist = newAV ();
165	AvREAL_off (newpadlist);	168	AvREAL_off (newpadlist);
166	av_store (newpadlist, 0, (SV *) newpad_name);	169	#if PERL_VERSION < 9
		170	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
		171	#else
		172	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		173	#endif
		174	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
		175	--AvFILLp (padlist);
		176
		177	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
167	av_store (newpadlist, 1, (SV *) newpad);	178	av_store (newpadlist, 1, (SV *)newpad);
168
169	av = newAV (); /* will be @_ */
170	av_extend (av, 0);
171	av_store (newpad, 0, (SV *) av);
172	AvFLAGS (av) = AVf_REIFY;
173
174	for (ix = fpad; ix > 0; ix--)
175	{
176	SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
177
178	if (namesv && namesv != &PL_sv_undef)
179	{
180	char name = SvPVX (namesv); / XXX */
181
182	if (SvFLAGS (namesv) & SVf_FAKE \|\| *name == '&')
183	{ /* lexical from outside? */
184	npad[ix] = SvREFCNT_inc (ppad[ix]);
185	}
186	else
187	{ /* our own lexical */
188	SV *sv;
189	if (*name == '&')
190	sv = SvREFCNT_inc (ppad[ix]);
191	else if (*name == '@')
192	sv = (SV *) newAV ();
193	else if (*name == '%')
194	sv = (SV *) newHV ();
195	else
196	sv = NEWSV (0, 0);
197
198	#ifdef SvPADBUSY
199	if (!SvPADBUSY (sv))
200	#endif
201	SvPADMY_on (sv);
202
203	npad[ix] = sv;
204	}
205	}
206	else if (IS_PADGV (ppad[ix]) \|\| IS_PADCONST (ppad[ix]))
207	{
208	npad[ix] = SvREFCNT_inc (ppad[ix]);
209	}
210	else
211	{
212	SV *sv = NEWSV (0, 0);
213	SvPADTMP_on (sv);
214	npad[ix] = sv;
215	}
216	}
217
218	#if 0 /* return -ENOTUNDERSTOOD */
219	/* Now that vars are all in place, clone nested closures. */
220
221	for (ix = fpad; ix > 0; ix--) {
222	SV* namesv = (ix <= fname) ? pname[ix] : Nullsv;
223	if (namesv
224	&& namesv != &PL_sv_undef
225	&& !(SvFLAGS(namesv) & SVf_FAKE)
226	&& *SvPVX(namesv) == '&'
227	&& CvCLONE(ppad[ix]))
228	{
229	CV kid = cv_clone((CV)ppad[ix]);
230	SvREFCNT_dec(ppad[ix]);
231	CvCLONE_on(kid);
232	SvPADMY_on(kid);
233	npad[ix] = (SV*)kid;
234	}
235	}
236	#endif
237		179
238	return newpadlist;	180	return newpadlist;
239	}	181	}
240		182
241	STATIC void	183	static void
242	free_padlist (AV *padlist)	184	free_padlist (pTHX_ AV *padlist)
243	{	185	{
244	/* may be during global destruction */	186	/* may be during global destruction */
245	if (SvREFCNT (padlist))	187	if (SvREFCNT (padlist))
246	{	188	{
247	I32 i = AvFILLp (padlist);	189	I32 i = AvFILLp (padlist);
…		…
260		202
261	SvREFCNT_dec ((SV*)padlist);	203	SvREFCNT_dec ((SV*)padlist);
262	}	204	}
263	}	205	}
264		206
265	STATIC int	207	static int
266	coro_cv_free (pTHX_ SV sv, MAGIC mg)	208	coro_cv_free (pTHX_ SV sv, MAGIC mg)
267	{	209	{
268	AV *padlist;	210	AV *padlist;
269	AV av = (AV )mg->mg_obj;	211	AV av = (AV )mg->mg_obj;
270		212
271	/* casting is fun. */	213	/* casting is fun. */
272	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	214	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
273	free_padlist (padlist);	215	free_padlist (aTHX_ padlist);
		216
		217	SvREFCNT_dec (av);
		218
		219	return 0;
274	}	220	}
275		221
276	#define PERL_MAGIC_coro PERL_MAGIC_ext	222	#define PERL_MAGIC_coro PERL_MAGIC_ext
277		223
278	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	224	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
279		225
280	/* the next two functions merely cache the padlists */	226	/* the next two functions merely cache the padlists */
281	STATIC void	227	static void
282	get_padlist (CV *cv)	228	get_padlist (pTHX_ CV *cv)
283	{	229	{
284	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	230	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
285		231
286	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	232	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
287	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	233	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
288	else	234	else
		235	{
		236	#if 0
		237	/* this should work - but it doesn't :( */
		238	CV *cp = Perl_cv_clone (aTHX_ cv);
		239	CvPADLIST (cv) = CvPADLIST (cp);
		240	CvPADLIST (cp) = 0;
		241	SvREFCNT_dec (cp);
		242	#else
289	CvPADLIST (cv) = clone_padlist (CvPADLIST (cv));	243	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
		244	#endif
		245	}
290	}	246	}
291		247
292	STATIC void	248	static void
293	put_padlist (CV *cv)	249	put_padlist (pTHX_ CV *cv)
294	{	250	{
295	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	251	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
296		252
297	if (!mg)	253	if (!mg)
298	{	254	{
…		…
324	PL_mainstack = c->mainstack;	280	PL_mainstack = c->mainstack;
325	PL_stack_sp = c->stack_sp;	281	PL_stack_sp = c->stack_sp;
326	PL_op = c->op;	282	PL_op = c->op;
327	PL_curpad = c->curpad;	283	PL_curpad = c->curpad;
328	PL_comppad = c->comppad;	284	PL_comppad = c->comppad;
		285	PL_compcv = c->compcv;
329	PL_stack_base = c->stack_base;	286	PL_stack_base = c->stack_base;
330	PL_stack_max = c->stack_max;	287	PL_stack_max = c->stack_max;
331	PL_tmps_stack = c->tmps_stack;	288	PL_tmps_stack = c->tmps_stack;
332	PL_tmps_floor = c->tmps_floor;	289	PL_tmps_floor = c->tmps_floor;
333	PL_tmps_ix = c->tmps_ix;	290	PL_tmps_ix = c->tmps_ix;
…		…
339	PL_scopestack_ix = c->scopestack_ix;	296	PL_scopestack_ix = c->scopestack_ix;
340	PL_scopestack_max = c->scopestack_max;	297	PL_scopestack_max = c->scopestack_max;
341	PL_savestack = c->savestack;	298	PL_savestack = c->savestack;
342	PL_savestack_ix = c->savestack_ix;	299	PL_savestack_ix = c->savestack_ix;
343	PL_savestack_max = c->savestack_max;	300	PL_savestack_max = c->savestack_max;
		301	#if PERL_VERSION < 9
344	PL_retstack = c->retstack;	302	PL_retstack = c->retstack;
345	PL_retstack_ix = c->retstack_ix;	303	PL_retstack_ix = c->retstack_ix;
346	PL_retstack_max = c->retstack_max;	304	PL_retstack_max = c->retstack_max;
		305	#endif
		306	PL_curpm = c->curpm;
347	PL_curcop = c->curcop;	307	PL_curcop = c->curcop;
348	PL_top_env = c->top_env;	308	PL_top_env = c->top_env;
349		309
350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	310	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	311	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
…		…
360	{	320	{
361	AV padlist = (AV )POPs;	321	AV padlist = (AV )POPs;
362		322
363	if (padlist)	323	if (padlist)
364	{	324	{
365	put_padlist (cv); /* mark this padlist as available */	325	put_padlist (aTHX_ cv); /* mark this padlist as available */
366	CvPADLIST(cv) = padlist;	326	CvPADLIST(cv) = padlist;
367	}	327	}
368		328
369	++CvDEPTH(cv);	329	++CvDEPTH(cv);
370	}	330	}
…		…
410	}	370	}
411		371
412	PUSHs ((SV *)CvPADLIST(cv));	372	PUSHs ((SV *)CvPADLIST(cv));
413	PUSHs ((SV *)cv);	373	PUSHs ((SV *)cv);
414		374
415	get_padlist (cv); /* this is a monster */	375	get_padlist (aTHX_ cv);
416	}	376	}
417	}	377	}
418	#ifdef CXt_FORMAT	378	#ifdef CXt_FORMAT
419	else if (CxTYPE(cx) == CXt_FORMAT)	379	else if (CxTYPE(cx) == CXt_FORMAT)
420	{	380	{
…		…
448	c->mainstack = PL_mainstack;	408	c->mainstack = PL_mainstack;
449	c->stack_sp = PL_stack_sp;	409	c->stack_sp = PL_stack_sp;
450	c->op = PL_op;	410	c->op = PL_op;
451	c->curpad = PL_curpad;	411	c->curpad = PL_curpad;
452	c->comppad = PL_comppad;	412	c->comppad = PL_comppad;
		413	c->compcv = PL_compcv;
453	c->stack_base = PL_stack_base;	414	c->stack_base = PL_stack_base;
454	c->stack_max = PL_stack_max;	415	c->stack_max = PL_stack_max;
455	c->tmps_stack = PL_tmps_stack;	416	c->tmps_stack = PL_tmps_stack;
456	c->tmps_floor = PL_tmps_floor;	417	c->tmps_floor = PL_tmps_floor;
457	c->tmps_ix = PL_tmps_ix;	418	c->tmps_ix = PL_tmps_ix;
…		…
463	c->scopestack_ix = PL_scopestack_ix;	424	c->scopestack_ix = PL_scopestack_ix;
464	c->scopestack_max = PL_scopestack_max;	425	c->scopestack_max = PL_scopestack_max;
465	c->savestack = PL_savestack;	426	c->savestack = PL_savestack;
466	c->savestack_ix = PL_savestack_ix;	427	c->savestack_ix = PL_savestack_ix;
467	c->savestack_max = PL_savestack_max;	428	c->savestack_max = PL_savestack_max;
		429	#if PERL_VERSION < 9
468	c->retstack = PL_retstack;	430	c->retstack = PL_retstack;
469	c->retstack_ix = PL_retstack_ix;	431	c->retstack_ix = PL_retstack_ix;
470	c->retstack_max = PL_retstack_max;	432	c->retstack_max = PL_retstack_max;
		433	#endif
		434	c->curpm = PL_curpm;
471	c->curcop = PL_curcop;	435	c->curcop = PL_curcop;
472	c->top_env = PL_top_env;	436	c->top_env = PL_top_env;
473	}	437	}
474		438
475	/*	439	/*
476	* allocate various perl stacks. This is an exact copy	440	* allocate various perl stacks. This is an exact copy
477	* of perl.c:init_stacks, except that it uses less memory	441	* of perl.c:init_stacks, except that it uses less memory
478	* on the (sometimes correct) assumption that coroutines do	442	* on the (sometimes correct) assumption that coroutines do
479	* not usually need a lot of stackspace.	443	* not usually need a lot of stackspace.
480	*/	444	*/
481	STATIC void	445	static void
482	coro_init_stacks (pTHX)	446	coro_init_stacks (pTHX)
483	{	447	{
484	LOCK;	448	LOCK;
485		449
486	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	450	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
…		…
511		475
512	New(54,PL_savestack,96,ANY);	476	New(54,PL_savestack,96,ANY);
513	PL_savestack_ix = 0;	477	PL_savestack_ix = 0;
514	PL_savestack_max = 96;	478	PL_savestack_max = 96;
515		479
		480	#if PERL_VERSION < 9
516	New(54,PL_retstack,8,OP*);	481	New(54,PL_retstack,8,OP*);
517	PL_retstack_ix = 0;	482	PL_retstack_ix = 0;
518	PL_retstack_max = 8;	483	PL_retstack_max = 8;
		484	#endif
519		485
520	UNLOCK;	486	UNLOCK;
521	}	487	}
522		488
523	/*	489	/*
524	* destroy the stacks, the callchain etc...	490	* destroy the stacks, the callchain etc...
525	*/	491	*/
526	STATIC void	492	static void
527	destroy_stacks(pTHX)	493	destroy_stacks(pTHX)
528	{	494	{
529	if (!IN_DESTRUCT)	495	if (!IN_DESTRUCT)
530	{	496	{
531	/* is this ugly, I ask? */	497	/* is this ugly, I ask? */
532	LEAVE_SCOPE (0);	498	LEAVE_SCOPE (0);
533		499
534	/* sure it is, but more important: is it correct?? :/ */	500	/* sure it is, but more important: is it correct?? :/ */
535	FREETMPS;	501	FREETMPS;
		502
		503	/POPSTACK_TO (PL_mainstack);//D//use/
536	}	504	}
537		505
538	while (PL_curstackinfo->si_next)	506	while (PL_curstackinfo->si_next)
539	PL_curstackinfo = PL_curstackinfo->si_next;	507	PL_curstackinfo = PL_curstackinfo->si_next;
540		508
541	while (PL_curstackinfo)	509	while (PL_curstackinfo)
542	{	510	{
543	PERL_SI *p = PL_curstackinfo->si_prev;	511	PERL_SI *p = PL_curstackinfo->si_prev;
544		512
545	{	513	{ /D//remove/
546	dSP;	514	dSP;
547	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);	515	SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
548	PUTBACK; /* possibly superfluous */	516	PUTBACK; /* possibly superfluous */
549	}	517	}
550		518
551	if (!IN_DESTRUCT)	519	if (!IN_DESTRUCT)
552	{	520	{
553	dounwind(-1);	521	dounwind (-1);/D//remove/
554	SvREFCNT_dec(PL_curstackinfo->si_stack);	522	SvREFCNT_dec (PL_curstackinfo->si_stack);
555	}	523	}
556		524
557	Safefree(PL_curstackinfo->si_cxstack);	525	Safefree (PL_curstackinfo->si_cxstack);
558	Safefree(PL_curstackinfo);	526	Safefree (PL_curstackinfo);
559	PL_curstackinfo = p;	527	PL_curstackinfo = p;
560	}	528	}
561		529
562	Safefree(PL_tmps_stack);	530	Safefree (PL_tmps_stack);
563	Safefree(PL_markstack);	531	Safefree (PL_markstack);
564	Safefree(PL_scopestack);	532	Safefree (PL_scopestack);
565	Safefree(PL_savestack);	533	Safefree (PL_savestack);
		534	#if PERL_VERSION < 9
566	Safefree(PL_retstack);	535	Safefree (PL_retstack);
		536	#endif
567	}	537	}
568		538
569	static void	539	static void
570	allocate_stack (Coro__State ctx, int alloc)	540	allocate_stack (Coro__State ctx, int alloc)
571	{	541	{
…		…
578	stack->gencnt = ctx->gencnt = 0;	548	stack->gencnt = ctx->gencnt = 0;
579		549
580	if (alloc)	550	if (alloc)
581	{	551	{
582	#if HAVE_MMAP	552	#if HAVE_MMAP
583	stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */	553	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */
584	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	554	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
585	if (stack->sptr == (void *)-1)	555	if (stack->sptr != (void *)-1)
586	#endif
587	{	556	{
588	/FIXME//D//* reasonable stack size! */	557	# if STACKGUARD
		558	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		559	# endif
		560	}
		561	else
		562	#endif
		563	{
589	stack->ssize = - (8192 * sizeof (long));	564	stack->ssize = - (STACKSIZE * (long)sizeof (long));
590	New (0, stack->sptr, 8192, long);	565	New (0, stack->sptr, STACKSIZE, long);
591	}	566	}
592	}	567	}
593	else	568	else
594	stack->sptr = 0;	569	stack->sptr = 0;
595		570
…		…
625	setup_coro (void *arg)	600	setup_coro (void *arg)
626	{	601	{
627	/*	602	/*
628	* emulate part of the perl startup here.	603	* emulate part of the perl startup here.
629	*/	604	*/
		605	dTHX;
630	dSP;	606	dSP;
631	Coro__State ctx = (Coro__State)arg;	607	Coro__State ctx = (Coro__State)arg;
632	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);	608	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
633		609
634	coro_init_stacks (aTHX);	610	coro_init_stacks (aTHX);
…		…
654	}	630	}
655	else	631	else
656	{	632	{
657	UNOP myop;	633	UNOP myop;
658		634
659	PL_op = (OP *)&myop;
660
661	Zero(&myop, 1, UNOP);	635	Zero(&myop, 1, UNOP);
662	myop.op_next = Nullop;	636	myop.op_next = Nullop;
663	myop.op_flags = OPf_WANT_VOID;	637	myop.op_flags = OPf_WANT_VOID;
		638
		639	PL_op = (OP *)&myop;
664		640
665	PUSHMARK(SP);	641	PUSHMARK(SP);
666	XPUSHs (sub_init);	642	XPUSHs (sub_init);
667	/*	643	/*
668	* the next line is slightly wrong, as PL_op->op_next	644	* the next line is slightly wrong, as PL_op->op_next
…		…
683	continue_coro (void *arg)	659	continue_coro (void *arg)
684	{	660	{
685	/*	661	/*
686	* this is a _very_ stripped down perl interpreter ;)	662	* this is a _very_ stripped down perl interpreter ;)
687	*/	663	*/
		664	dTHX;
688	Coro__State ctx = (Coro__State)arg;	665	Coro__State ctx = (Coro__State)arg;
689	JMPENV coro_start_env;
690		666
691	PL_top_env = &ctx->start_env;	667	PL_top_env = &PL_start_env;
692		668
693	ctx->cursp = 0;	669	ctx->cursp = 0;
694	PL_op = PL_op->op_next;	670	PL_op = PL_op->op_next;
695	CALLRUNOPS(aTHX);	671	CALLRUNOPS(aTHX);
696		672
697	abort ();	673	abort ();
698	}	674	}
699		675
700	STATIC void	676	/* never call directly, always through the coro_state_transfer global variable */
		677	static void
701	transfer (pTHX_ struct coro prev, struct coro next, int flags)	678	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)
702	{	679	{
703	dSTACKLEVEL;	680	dSTACKLEVEL;
704		681
705	if (prev != next)	682	if (prev != next)
706	{	683	{
		684	/* has this coro been created yet? */
707	if (next->mainstack)	685	if (next->mainstack)
708	{	686	{
709	LOCK;	687	LOCK;
710	SAVE (prev, flags);	688	SAVE (prev, flags);
711	LOAD (next);	689	LOAD (next);
…		…
750	{	728	{
751	LOCK;	729	LOCK;
752	SAVE (prev, -1); /* first get rid of the old state */	730	SAVE (prev, -1); /* first get rid of the old state */
753	UNLOCK;	731	UNLOCK;
754		732
		733	/* create the coroutine for the first time */
755	if (flags & TRANSFER_SAVE_CCTXT)	734	if (flags & TRANSFER_SAVE_CCTXT)
756	{	735	{
757	if (!prev->stack)	736	if (!prev->stack)
758	allocate_stack (prev, 0);	737	allocate_stack (prev, 0);
759		738
		739	/* the new coroutine starts with start_env again */
		740	PL_top_env = &PL_start_env;
		741
760	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)	742	if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
761	{	743	{
762	PL_top_env = &next->start_env;
763
764	setup_coro (next);	744	setup_coro (next);
765	next->cursp = stacklevel;	745	next->cursp = stacklevel;
766		746
767	prev->stack->refcnt++;	747	prev->stack->refcnt++;
768	prev->stack->usecnt++;	748	prev->stack->usecnt++;
…		…
796	coro_mortal = 0;	776	coro_mortal = 0;
797	}	777	}
798	UNLOCK;	778	UNLOCK;
799	}	779	}
800		780
		781	/* use this function pointer to call the above function */
		782	/* this is done to increase chances of the compiler not inlining the call */
		783	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;
		784
801	#define SV_CORO(sv,func) \	785	#define SV_CORO(sv,func) \
802	do { \	786	do { \
803	if (SvROK (sv)) \	787	if (SvROK (sv)) \
804	sv = SvRV (sv); \	788	sv = SvRV (sv); \
805	\	789	\
806	if (SvTYPE (sv) == SVt_PVHV) \	790	if (SvTYPE (sv) == SVt_PVHV && SvSTASH (sv) != coro_state_stash) \
807	{ \	791	{ \
808	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \	792	HE he = hv_fetch_ent ((HV )sv, ucoro_state_sv, 0, ucoro_state_hash); \
809	\	793	\
810	if (!he) \	794	if (!he) \
811	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \	795	croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
…		…
817	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \	801	if (!SvOBJECT (sv) \|\| SvSTASH (sv) != coro_state_stash) \
818	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \	802	croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
819	\	803	\
820	} while(0)	804	} while(0)
821		805
822	#define SvSTATE(sv) (struct coro *)SvIV (sv)	806	static void
		807	coro_state_destroy (struct coro *coro)
		808	{
		809	if (coro->refcnt--)
		810	return;
823		811
		812	if (coro->mainstack && coro->mainstack != main_mainstack)
		813	{
		814	struct coro temp;
		815
		816	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
		817	LOAD (aTHX_ coro);
		818
		819	destroy_stacks (aTHX);
		820
		821	LOAD ((&temp)); /* this will get rid of defsv etc.. */
		822
		823	coro->mainstack = 0;
		824	}
		825
		826	deallocate_stack (coro);
		827	SvREFCNT_dec (coro->args);
		828	Safefree (coro);
		829	}
		830
824	static void	831	static int
		832	coro_state_clear (SV sv, MAGIC mg)
		833	{
		834	struct coro coro = (struct coro )mg->mg_ptr;
		835	mg->mg_ptr = 0;
		836
		837	coro_state_destroy (coro);
		838
		839	return 0;
		840	}
		841
		842	static int
		843	coro_state_dup (MAGIC mg, CLONE_PARAMS params)
		844	{
		845	struct coro coro = (struct coro )mg->mg_ptr;
		846
		847	++coro->refcnt;
		848
		849	return 0;
		850	}
		851
		852	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };
		853
		854	static struct coro *
		855	SvSTATE (SV *coro)
		856	{
		857	MAGIC *mg = SvMAGIC (SvROK (coro) ? SvRV (coro) : coro);
		858	assert (mg->mg_type == PERL_MAGIC_ext);
		859	return (struct coro *)mg->mg_ptr;
		860	}
		861
		862	static void
825	api_transfer(pTHX_ SV prev, SV next, int flags)	863	api_transfer (pTHX_ SV prev, SV next, int flags)
826	{	864	{
827	SV_CORO (prev, "Coro::transfer");	865	SV_CORO (prev, "Coro::transfer");
828	SV_CORO (next, "Coro::transfer");	866	SV_CORO (next, "Coro::transfer");
829		867
830	transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);	868	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
831	}	869	}
832		870
833	/ Coro ******************************************************************/	871	/ Coro ******************************************************************/
834		872
835	#define PRIO_MAX 3	873	#define PRIO_MAX 3
…		…
839	#define PRIO_IDLE -3	877	#define PRIO_IDLE -3
840	#define PRIO_MIN -4	878	#define PRIO_MIN -4
841		879
842	/* for Coro.pm */	880	/* for Coro.pm */
843	static GV coro_current, coro_idle;	881	static GV coro_current, coro_idle;
844	static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];	882	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
845	static int coro_nready;	883	static int coro_nready;
846		884
847	static void	885	static void
848	coro_enq (SV *sv)	886	coro_enq (pTHX_ SV *sv)
849	{	887	{
		888	int prio;
		889
850	if (SvTYPE (sv) == SVt_PVHV)	890	if (SvTYPE (sv) != SVt_PVHV)
851	{
852	SV *xprio = hv_fetch ((HV )sv, "prio", 4, 0);
853	int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
854
855	prio = prio > PRIO_MAX ? PRIO_MAX
856	: prio < PRIO_MIN ? PRIO_MIN
857	: prio;
858
859	av_push (coro_ready [prio - PRIO_MIN], sv);
860	coro_nready++;
861
862	return;
863	}
864
865	croak ("Coro::ready tried to enqueue something that is not a coroutine");	891	croak ("Coro::ready tried to enqueue something that is not a coroutine");
		892
		893	{
		894	SV *coro = sv;
		895	SV_CORO (coro, "omg");
		896	prio = SvSTATE (coro)->prio;
		897	}
		898
		899	av_push (coro_ready [prio - PRIO_MIN], sv);
		900	coro_nready++;
866	}	901	}
867		902
868	static SV *	903	static SV *
869	coro_deq (int min_prio)	904	coro_deq (pTHX_ int min_prio)
870	{	905	{
871	int prio = PRIO_MAX - PRIO_MIN;	906	int prio = PRIO_MAX - PRIO_MIN;
872		907
873	min_prio -= PRIO_MIN;	908	min_prio -= PRIO_MIN;
874	if (min_prio < 0)	909	if (min_prio < 0)
875	min_prio = 0;	910	min_prio = 0;
876		911
877	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	912	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
878	if (av_len (coro_ready[prio]) >= 0)	913	if (AvFILLp (coro_ready [prio]) >= 0)
879	{	914	{
880	coro_nready--;	915	coro_nready--;
881	return av_shift (coro_ready[prio]);	916	return av_shift (coro_ready [prio]);
882	}	917	}
883		918
884	return 0;	919	return 0;
885	}	920	}
886		921
887	static void	922	static void
888	api_ready (SV *coro)	923	api_ready (SV *coro)
889	{	924	{
		925	dTHX;
		926
890	if (SvROK (coro))	927	if (SvROK (coro))
891	coro = SvRV (coro);	928	coro = SvRV (coro);
892		929
893	LOCK;	930	LOCK;
894	coro_enq (SvREFCNT_inc (coro));	931	coro_enq (aTHX_ SvREFCNT_inc (coro));
895	UNLOCK;	932	UNLOCK;
896	}	933	}
897		934
898	static void	935	static void
899	api_schedule (void)	936	api_schedule (void)
900	{	937	{
		938	dTHX;
		939
901	SV prev, next;	940	SV prev, next;
902		941
903	LOCK;	942	LOCK;
904		943
905	prev = SvRV (GvSV (coro_current));	944	prev = SvRV (GvSV (coro_current));
906	next = coro_deq (PRIO_MIN);	945	next = coro_deq (aTHX_ PRIO_MIN);
907		946
908	if (!next)	947	if (!next)
909	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));	948	next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
910		949
911	/* free this only after the transfer */	950	/* free this only after the transfer */
…		…
916		955
917	SV_CORO (next, "Coro::schedule");	956	SV_CORO (next, "Coro::schedule");
918		957
919	UNLOCK;	958	UNLOCK;
920		959
921	transfer (aTHX_ SvSTATE (prev), SvSTATE (next),	960	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
922	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);	961	TRANSFER_SAVE_ALL \| TRANSFER_LAZY_STACK);
923	}	962	}
924		963
925	static void	964	static void
926	api_cede (void)	965	api_cede (void)
927	{	966	{
		967	dTHX;
		968
928	LOCK;	969	LOCK;
929	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));	970	coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
930	UNLOCK;	971	UNLOCK;
931		972
932	api_schedule ();	973	api_schedule ();
933	}	974	}
934		975
935	MODULE = Coro::State PACKAGE = Coro::State	976	MODULE = Coro::State PACKAGE = Coro::State
936		977
937	PROTOTYPES: ENABLE	978	PROTOTYPES: DISABLE
938		979
939	BOOT:	980	BOOT:
940	{ /* {} necessary for stoopid perl-5.6.x */	981	{ /* {} necessary for stoopid perl-5.6.x */
941	#ifdef USE_ITHREADS	982	#ifdef USE_ITHREADS
942	MUTEX_INIT (&coro_mutex);	983	MUTEX_INIT (&coro_mutex);
943	#endif	984	#endif
		985	BOOT_PAGESIZE;
944		986
945	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);	987	ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
946	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);	988	PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
947	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	989	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
948		990
…		…
953		995
954	main_mainstack = PL_mainstack;	996	main_mainstack = PL_mainstack;
955		997
956	coroapi.ver = CORO_API_VERSION;	998	coroapi.ver = CORO_API_VERSION;
957	coroapi.transfer = api_transfer;	999	coroapi.transfer = api_transfer;
958	}
959		1000
960	Coro::State	1001	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
961	_newprocess(args)	1002	}
962	SV * args	1003
963	PROTOTYPE: $	1004	SV *
		1005	new (char *klass, ...)
964	CODE:	1006	CODE:
965	Coro__State coro;	1007	{
		1008	struct coro *coro;
		1009	HV *hv;
		1010	int i;
966		1011
967	if (!SvROK (args) \|\| SvTYPE (SvRV (args)) != SVt_PVAV)
968	croak ("Coro::State::_newprocess expects an arrayref");
969
970	Newz (0, coro, 1, struct coro);	1012	Newz (0, coro, 1, struct coro);
		1013	coro->args = newAV ();
971		1014
972	coro->args = (AV *)SvREFCNT_inc (SvRV (args));	1015	for (i = 1; i < items; i++)
		1016	av_push (coro->args, newSVsv (ST (i)));
		1017
973	coro->mainstack = 0; /* actual work is done inside transfer */	1018	/coro->mainstack = 0; //actual work is done inside transfer /
974	coro->stack = 0;	1019	/coro->stack = 0;/
975		1020
976	/* same as JMPENV_BOOTSTRAP */	1021	hv = newHV ();
977	/* we might be able to recycle start_env, but safe is safe */	1022	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
978	//Zero(&coro->start_env, 1, JMPENV);	1023	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
979	coro->start_env.je_ret = -1;	1024	}
980	coro->start_env.je_mustcatch = TRUE;
981
982	RETVAL = coro;
983	OUTPUT:	1025	OUTPUT:
984	RETVAL	1026	RETVAL
985		1027
986	void	1028	void
987	transfer(prev, next, flags)	1029	transfer(prev, next, flags)
988	SV *prev	1030	SV *prev
989	SV *next	1031	SV *next
990	int flags	1032	int flags
991	PROTOTYPE: @
992	CODE:	1033	CODE:
993	PUTBACK;	1034	PUTBACK;
994	SV_CORO (next, "Coro::transfer");	1035	SV_CORO (next, "Coro::transfer");
995	SV_CORO (prev, "Coro::transfer");	1036	SV_CORO (prev, "Coro::transfer");
996	transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	1037	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
997	SPAGAIN;	1038	SPAGAIN;
998		1039
		1040	int
		1041	prio (Coro::State coro, int newprio = 0)
		1042	ALIAS:
		1043	nice = 1
		1044	CODE:
		1045	{
		1046	RETVAL = coro->prio;
		1047
		1048	if (items > 1)
		1049	{
		1050	if (ix)
		1051	newprio += coro->prio;
		1052
		1053	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		1054	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		1055
		1056	coro->prio = newprio;
		1057	}
		1058	}
		1059
999	void	1060	void
1000	DESTROY(coro)	1061	_clone_state_from (SV dst, SV src)
1001	Coro::State coro	1062	CODE:
1002	CODE:	1063	{
		1064	struct coro *coro_src = SvSTATE (src);
1003		1065
1004	if (coro->mainstack && coro->mainstack != main_mainstack)	1066	sv_unmagic (SvRV (dst), PERL_MAGIC_ext);
1005	{
1006	struct coro temp;
1007		1067
1008	PUTBACK;	1068	++coro_src->refcnt;
1009	SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);	1069	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;
1010	LOAD(aTHX_ coro);	1070	}
1011	SPAGAIN;
1012
1013	destroy_stacks (aTHX);
1014
1015	LOAD((&temp)); /* this will get rid of defsv etc.. */
1016	SPAGAIN;
1017
1018	coro->mainstack = 0;
1019	}
1020
1021	deallocate_stack (coro);
1022	SvREFCNT_dec (coro->args);
1023	Safefree (coro);
1024		1071
1025	void	1072	void
1026	_exit(code)	1073	_exit (code)
1027	int code	1074	int code
1028	PROTOTYPE: $	1075	PROTOTYPE: $
1029	CODE:	1076	CODE:
1030	_exit (code);	1077	_exit (code);
1031		1078
1032	MODULE = Coro::State PACKAGE = Coro::Cont	1079	MODULE = Coro::State PACKAGE = Coro::Cont
1033		1080
1034	# this is slightly dirty (should expose a c-level api)
1035
1036	void	1081	void
1037	yield(...)	1082	yield (...)
1038	PROTOTYPE: @	1083	PROTOTYPE: @
1039	CODE:	1084	CODE:
1040	static SV *returnstk;	1085	SV *yieldstack;
1041	SV *sv;	1086	SV *sv;
1042	AV *defav = GvAV (PL_defgv);	1087	AV *defav = GvAV (PL_defgv);
1043	struct coro prev, next;	1088	struct coro prev, next;
1044		1089
1045	if (!returnstk)	1090	yieldstack = *hv_fetch (
1046	returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));	1091	(HV *)SvRV (GvSV (coro_current)),
		1092	"yieldstack", sizeof ("yieldstack") - 1,
		1093	0
		1094	);
1047		1095
1048	/* set up @_ -- ugly */	1096	/* set up @_ -- ugly */
1049	av_clear (defav);	1097	av_clear (defav);
1050	av_fill (defav, items - 1);	1098	av_fill (defav, items - 1);
1051	while (items--)	1099	while (items--)
1052	av_store (defav, items, SvREFCNT_inc (ST(items)));	1100	av_store (defav, items, SvREFCNT_inc (ST(items)));
1053		1101
1054	mg_get (returnstk); /* isn't documentation wrong for mg_get? */
1055	sv = av_pop ((AV *)SvRV (returnstk));	1102	sv = av_pop ((AV *)SvRV (yieldstack));
1056	prev = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 0, 0)));	1103	prev = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 0, 0)));
1057	next = (struct coro )SvIV ((SV)SvRV (av_fetch ((AV )SvRV (sv), 1, 0)));	1104	next = SvSTATE ((SV)SvRV (av_fetch ((AV *)SvRV (sv), 1, 0)));
1058	SvREFCNT_dec (sv);	1105	SvREFCNT_dec (sv);
1059		1106
1060	transfer(aTHX_ prev, next, 0);	1107	coro_state_transfer (aTHX_ prev, next, 0);
1061		1108
1062	MODULE = Coro::State PACKAGE = Coro	1109	MODULE = Coro::State PACKAGE = Coro
1063
1064	# this is slightly dirty (should expose a c-level api)
1065		1110
1066	BOOT:	1111	BOOT:
1067	{	1112	{
1068	int i;	1113	int i;
1069	HV *stash = gv_stashpv ("Coro", TRUE);	1114	HV *stash = gv_stashpv ("Coro", TRUE);
…		…
1089	coroapi.ready = api_ready;	1134	coroapi.ready = api_ready;
1090	coroapi.nready = &coro_nready;	1135	coroapi.nready = &coro_nready;
1091	coroapi.current = coro_current;	1136	coroapi.current = coro_current;
1092		1137
1093	GCoroAPI = &coroapi;	1138	GCoroAPI = &coroapi;
1094	sv_setiv(sv, (IV)&coroapi);	1139	sv_setiv (sv, (IV)&coroapi);
1095	SvREADONLY_on(sv);	1140	SvREADONLY_on (sv);
1096	}	1141	}
1097	}	1142	}
1098		1143
1099	#if !PERL_MICRO	1144	#if !PERL_MICRO
1100		1145
1101	void	1146	void
1102	ready(self)	1147	ready (self)
1103	SV * self	1148	SV * self
1104	PROTOTYPE: $	1149	PROTOTYPE: $
1105	CODE:	1150	CODE:
1106	api_ready (self);	1151	api_ready (self);
1107		1152
1108	#endif	1153	#endif
1109		1154
1110	int	1155	int
1111	nready(...)	1156	nready (...)
1112	PROTOTYPE:	1157	PROTOTYPE:
1113	CODE:	1158	CODE:
1114	RETVAL = coro_nready;	1159	RETVAL = coro_nready;
1115	OUTPUT:	1160	OUTPUT:
1116	RETVAL	1161	RETVAL
1117		1162
1118	void	1163	void
1119	schedule(...)	1164	schedule (...)
1120	PROTOTYPE:	1165	PROTOTYPE:
1121	CODE:	1166	CODE:
1122	api_schedule ();	1167	api_schedule ();
1123		1168
1124	void	1169	void
1125	cede(...)	1170	cede (...)
1126	PROTOTYPE:	1171	PROTOTYPE:
1127	CODE:	1172	CODE:
1128	api_cede ();	1173	api_cede ();
1129		1174
		1175	# and these are hacks
		1176	SV *
		1177	_aio_get_state ()
		1178	CODE:
		1179	{
		1180	struct {
		1181	int errorno;
		1182	int laststype;
		1183	int laststatval;
		1184	Stat_t statcache;
		1185	} data;
		1186
		1187	data.errorno = errno;
		1188	data.laststype = PL_laststype;
		1189	data.laststatval = PL_laststatval;
		1190	data.statcache = PL_statcache;
		1191
		1192	RETVAL = newSVpvn ((char *)&data, sizeof data);
		1193	}
		1194	OUTPUT:
		1195	RETVAL
		1196
		1197	void
		1198	_aio_set_state (char *data_)
		1199	PROTOTYPE: $
		1200	CODE:
		1201	{
		1202	struct {
		1203	int errorno;
		1204	int laststype;
		1205	int laststatval;
		1206	Stat_t statcache;
		1207	} data = (void )data_;
		1208
		1209	errno = data->errorno;
		1210	PL_laststype = data->laststype;
		1211	PL_laststatval = data->laststatval;
		1212	PL_statcache = data->statcache;
		1213	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.55 by pcg, Thu Apr 1 02:29:05 2004 UTC vs. Revision 1.87 by root, Fri Nov 24 13:40:36 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.55 by pcg, Thu Apr 1 02:29:05 2004 UTC vs.
Revision 1.87 by root, Fri Nov 24 13:40:36 2006 UTC