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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC vs.
Revision 1.105 by root, Mon Nov 27 02:01:33 2006 UTC

…		…
1	#define PERL_NO_GET_CONTEXT
2
3	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
4		2
5	#include "EXTERN.h"	3	#include "EXTERN.h"
6	#include "perl.h"	4	#include "perl.h"
7	#include "XSUB.h"	5	#include "XSUB.h"
8		6
9	#include "patchlevel.h"	7	#include "patchlevel.h"
10		8
11	#if PERL_VERSION < 6	9	#if USE_VALGRIND
		10	# include <valgrind/valgrind.h>
		11	#endif
		12
		13	#define PERL_VERSION_ATLEAST(a,b,c) \
		14	(PERL_REVISION > (a) \
		15	\|\| (PERL_REVISION == (a) \
		16	&& (PERL_VERSION > (b) \
		17	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))
		18
		19	#if !PERL_VERSION_ATLEAST (5,6,0)
12	# ifndef PL_ppaddr	20	# ifndef PL_ppaddr
13	# define PL_ppaddr ppaddr	21	# define PL_ppaddr ppaddr
14	# endif	22	# endif
15	# ifndef call_sv	23	# ifndef call_sv
16	# define call_sv perl_call_sv	24	# define call_sv perl_call_sv
27	# ifndef IS_PADCONST	35	# ifndef IS_PADCONST
28	# define IS_PADCONST(v) 0	36	# define IS_PADCONST(v) 0
29	# endif	37	# endif
30	#endif	38	#endif
31		39
		40	#include <stdio.h>
32	#include <errno.h>	41	#include <errno.h>
33		42
34	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	43	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
35	# undef STACKGUARD	44	# undef STACKGUARD
36	#endif	45	#endif
…		…
57	# else	66	# else
58	# define BOOT_PAGESIZE	67	# define BOOT_PAGESIZE
59	# endif	68	# endif
60	#endif	69	#endif
61		70
62	#define SUB_INIT "Coro::State::initialize"
63
64	/* The next macro should declare a variable stacklevel that contains and approximation	71	/* The next macro should declare a variable stacklevel that contains and approximation
65	* to the current C stack pointer. Its property is that it changes with each call	72	* to the current C stack pointer. Its property is that it changes with each call
66	* and should be unique. */	73	* and should be unique. */
		74	#define dSTACKLEVEL int stacklevel
67	#define dSTACKLEVEL void *stacklevel = &stacklevel	75	#define STACKLEVEL ((void *)&stacklevel)
68		76
69	#define IN_DESTRUCT (PL_main_cv == Nullcv)	77	#define IN_DESTRUCT (PL_main_cv == Nullcv)
70		78
71	#define labs(l) ((l) >= 0 ? (l) : -(l))	79	#if __GNUC__ >= 3
		80	# define attribute(x) __attribute__(x)
		81	#else
		82	# define attribute(x)
		83	#endif
		84
		85	#define NOINLINE attribute ((noinline))
72		86
73	#include "CoroAPI.h"	87	#include "CoroAPI.h"
		88
		89	#define TRANSFER_SET_STACKLEVEL 0x8bfbfbfb /* magic cookie */
74		90
75	#ifdef USE_ITHREADS	91	#ifdef USE_ITHREADS
76	static perl_mutex coro_mutex;	92	static perl_mutex coro_mutex;
77	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	93	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
78	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	94	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
…		…
84	static struct CoroAPI coroapi;	100	static struct CoroAPI coroapi;
85	static AV main_mainstack; / used to differentiate between $main and others */	101	static AV main_mainstack; / used to differentiate between $main and others */
86	static HV coro_state_stash, coro_stash;	102	static HV coro_state_stash, coro_stash;
87	static SV coro_mortal; / will be freed after next transfer */	103	static SV coro_mortal; / will be freed after next transfer */
88		104
89	/* this is actually not just the c stack but also c registers etc... */	105	/* this is a structure representing a c-level coroutine */
90	typedef struct coro_stack {	106	typedef struct coro_stack {
91	struct coro_stack *next;	107	struct coro_stack *next;
92		108
93	void *idle_sp;	109	/* the stack */
94	void *sptr;	110	void *sptr;
95	long ssize; /* positive == mmap, otherwise malloc */	111	long ssize; /* positive == mmap, otherwise malloc */
96		112
97	/* cpu state */	113	/* cpu state */
		114	void idle_sp; / sp of top-level transfer/schedule/cede call */
		115	JMPENV *top_env;
98	coro_context cctx;	116	coro_context cctx;
		117
		118	#if USE_VALGRIND
		119	int valgrind_id;
		120	#endif
99	} coro_stack;	121	} coro_stack;
100		122
101	static coro_stack *main_stack;	123	/* this is a structure representing a perl-level coroutine */
102
103	struct coro {	124	struct coro {
		125	/* the c coroutine allocated to this perl coroutine, if any */
		126	coro_stack *stack;
		127
		128	/* data associated with this coroutine (initial args) */
		129	AV *args;
		130	int refcnt;
		131
104	/* optionally saved, might be zero */	132	/* optionally saved, might be zero */
105	AV *defav;	133	AV *defav;
106	SV *defsv;	134	SV *defsv;
107	SV *errsv;	135	SV *errsv;
108		136
109	/* saved global state not related to stacks */	137	/* saved global state not related to stacks */
110	U8 dowarn;	138	U8 dowarn;
111	I32 in_eval;	139	I32 in_eval;
112
113	/* the c stack, if any */
114	coro_stack *stack;
115		140
116	/* the stacks and related info (callchain etc..) */	141	/* the stacks and related info (callchain etc..) */
117	PERL_SI *curstackinfo;	142	PERL_SI *curstackinfo;
118	AV *curstack;	143	AV *curstack;
119	AV *mainstack;	144	AV *mainstack;
…		…
140	OP **retstack;	165	OP **retstack;
141	I32 retstack_ix;	166	I32 retstack_ix;
142	I32 retstack_max;	167	I32 retstack_max;
143	PMOP *curpm;	168	PMOP *curpm;
144	COP *curcop;	169	COP *curcop;
145	JMPENV *top_env;
146		170
147	/* coro process data */	171	/* coro process data */
148	int prio;	172	int prio;
149
150	/* data associated with this coroutine (initial args) */
151	AV *args;
152	int refcnt;
153	};	173	};
154		174
155	typedef struct coro *Coro__State;	175	typedef struct coro *Coro__State;
156	typedef struct coro *Coro__State_or_hashref;	176	typedef struct coro *Coro__State_or_hashref;
157		177
158	static AV *	178	static AV *
159	coro_clone_padlist (pTHX_ CV *cv)	179	coro_clone_padlist (CV *cv)
160	{	180	{
161	AV *padlist = CvPADLIST (cv);	181	AV *padlist = CvPADLIST (cv);
162	AV newpadlist, newpad;	182	AV newpadlist, newpad;
163		183
164	newpadlist = newAV ();	184	newpadlist = newAV ();
165	AvREAL_off (newpadlist);	185	AvREAL_off (newpadlist);
166	#if PERL_VERSION < 9	186	#if PERL_VERSION_ATLEAST (5,9,0)
		187	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
		188	#else
167	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	189	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
168	#else
169	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
170	#endif	190	#endif
171	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	191	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
172	--AvFILLp (padlist);	192	--AvFILLp (padlist);
173		193
174	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	194	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));
…		…
176		196
177	return newpadlist;	197	return newpadlist;
178	}	198	}
179		199
180	static void	200	static void
181	free_padlist (pTHX_ AV *padlist)	201	free_padlist (AV *padlist)
182	{	202	{
183	/* may be during global destruction */	203	/* may be during global destruction */
184	if (SvREFCNT (padlist))	204	if (SvREFCNT (padlist))
185	{	205	{
186	I32 i = AvFILLp (padlist);	206	I32 i = AvFILLp (padlist);
…		…
207	AV *padlist;	227	AV *padlist;
208	AV av = (AV )mg->mg_obj;	228	AV av = (AV )mg->mg_obj;
209		229
210	/* casting is fun. */	230	/* casting is fun. */
211	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	231	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
212	free_padlist (aTHX_ padlist);	232	free_padlist (padlist);
213		233
214	SvREFCNT_dec (av);	234	SvREFCNT_dec (av);
215		235
216	return 0;	236	return 0;
217	}	237	}
…		…
220		240
221	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	241	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
222		242
223	/* the next two functions merely cache the padlists */	243	/* the next two functions merely cache the padlists */
224	static void	244	static void
225	get_padlist (pTHX_ CV *cv)	245	get_padlist (CV *cv)
226	{	246	{
227	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	247	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
228		248
229	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	249	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
230	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	250	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);
231	else	251	else
232	{	252	{
233	#if 0	253	#if 0
234	/* this should work - but it doesn't :( */	254	/* this is probably cleaner, but also slower? */
235	CV *cp = Perl_cv_clone (aTHX_ cv);	255	CV *cp = Perl_cv_clone (cv);
236	CvPADLIST (cv) = CvPADLIST (cp);	256	CvPADLIST (cv) = CvPADLIST (cp);
237	CvPADLIST (cp) = 0;	257	CvPADLIST (cp) = 0;
238	SvREFCNT_dec (cp);	258	SvREFCNT_dec (cp);
239	#else	259	#else
240	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	260	CvPADLIST (cv) = coro_clone_padlist (cv);
241	#endif	261	#endif
242	}	262	}
243	}	263	}
244		264
245	static void	265	static void
246	put_padlist (pTHX_ CV *cv)	266	put_padlist (CV *cv)
247	{	267	{
248	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	268	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);
249		269
250	if (!mg)	270	if (!mg)
251	{	271	{
…		…
259	}	279	}
260		280
261	#define SB do {	281	#define SB do {
262	#define SE } while (0)	282	#define SE } while (0)
263		283
264	#define LOAD(state) load_state(aTHX_ (state));	284	#define LOAD(state) load_state((state));
265	#define SAVE(state,flags) save_state(aTHX_ (state),(flags));	285	#define SAVE(state,flags) save_state((state),(flags));
266		286
267	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE	287	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
268		288
269	static void	289	static void
270	load_state(pTHX_ Coro__State c)	290	load_state(Coro__State c)
271	{	291	{
272	PL_dowarn = c->dowarn;	292	PL_dowarn = c->dowarn;
273	PL_in_eval = c->in_eval;	293	PL_in_eval = c->in_eval;
274		294
275	PL_curstackinfo = c->curstackinfo;	295	PL_curstackinfo = c->curstackinfo;
…		…
293	PL_scopestack_ix = c->scopestack_ix;	313	PL_scopestack_ix = c->scopestack_ix;
294	PL_scopestack_max = c->scopestack_max;	314	PL_scopestack_max = c->scopestack_max;
295	PL_savestack = c->savestack;	315	PL_savestack = c->savestack;
296	PL_savestack_ix = c->savestack_ix;	316	PL_savestack_ix = c->savestack_ix;
297	PL_savestack_max = c->savestack_max;	317	PL_savestack_max = c->savestack_max;
298	#if PERL_VERSION < 9	318	#if !PERL_VERSION_ATLEAST (5,9,0)
299	PL_retstack = c->retstack;	319	PL_retstack = c->retstack;
300	PL_retstack_ix = c->retstack_ix;	320	PL_retstack_ix = c->retstack_ix;
301	PL_retstack_max = c->retstack_max;	321	PL_retstack_max = c->retstack_max;
302	#endif	322	#endif
303	PL_curpm = c->curpm;	323	PL_curpm = c->curpm;
304	PL_curcop = c->curcop;	324	PL_curcop = c->curcop;
305	PL_top_env = c->top_env;
306		325
307	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	326	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
308	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	327	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
309	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	328	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
310		329
…		…
317	{	336	{
318	AV padlist = (AV )POPs;	337	AV padlist = (AV )POPs;
319		338
320	if (padlist)	339	if (padlist)
321	{	340	{
322	put_padlist (aTHX_ cv); /* mark this padlist as available */	341	put_padlist (cv); /* mark this padlist as available */
323	CvPADLIST(cv) = padlist;	342	CvPADLIST(cv) = padlist;
324	}	343	}
325		344
326	++CvDEPTH(cv);	345	++CvDEPTH(cv);
327	}	346	}
…		…
329	PUTBACK;	348	PUTBACK;
330	}	349	}
331	}	350	}
332		351
333	static void	352	static void
334	save_state(pTHX_ Coro__State c, int flags)	353	save_state(Coro__State c, int flags)
335	{	354	{
336	{	355	{
337	dSP;	356	dSP;
338	I32 cxix = cxstack_ix;	357	I32 cxix = cxstack_ix;
339	PERL_CONTEXT *ccstk = cxstack;	358	PERL_CONTEXT *ccstk = cxstack;
…		…
367	}	386	}
368		387
369	PUSHs ((SV *)CvPADLIST(cv));	388	PUSHs ((SV *)CvPADLIST(cv));
370	PUSHs ((SV *)cv);	389	PUSHs ((SV *)cv);
371		390
372	get_padlist (aTHX_ cv);	391	get_padlist (cv);
373	}	392	}
374	}	393	}
375	#ifdef CXt_FORMAT	394	#ifdef CXt_FORMAT
376	else if (CxTYPE(cx) == CXt_FORMAT)	395	else if (CxTYPE(cx) == CXt_FORMAT)
377	{	396	{
…		…
421	c->scopestack_ix = PL_scopestack_ix;	440	c->scopestack_ix = PL_scopestack_ix;
422	c->scopestack_max = PL_scopestack_max;	441	c->scopestack_max = PL_scopestack_max;
423	c->savestack = PL_savestack;	442	c->savestack = PL_savestack;
424	c->savestack_ix = PL_savestack_ix;	443	c->savestack_ix = PL_savestack_ix;
425	c->savestack_max = PL_savestack_max;	444	c->savestack_max = PL_savestack_max;
426	#if PERL_VERSION < 9	445	#if !PERL_VERSION_ATLEAST (5,9,0)
427	c->retstack = PL_retstack;	446	c->retstack = PL_retstack;
428	c->retstack_ix = PL_retstack_ix;	447	c->retstack_ix = PL_retstack_ix;
429	c->retstack_max = PL_retstack_max;	448	c->retstack_max = PL_retstack_max;
430	#endif	449	#endif
431	c->curpm = PL_curpm;	450	c->curpm = PL_curpm;
432	c->curcop = PL_curcop;	451	c->curcop = PL_curcop;
433	c->top_env = PL_top_env;
434	}	452	}
435		453
436	/*	454	/*
437	* allocate various perl stacks. This is an exact copy	455	* allocate various perl stacks. This is an exact copy
438	* of perl.c:init_stacks, except that it uses less memory	456	* of perl.c:init_stacks, except that it uses less memory
439	* on the (sometimes correct) assumption that coroutines do	457	* on the (sometimes correct) assumption that coroutines do
440	* not usually need a lot of stackspace.	458	* not usually need a lot of stackspace.
441	*/	459	*/
442	static void	460	static void
443	coro_init_stacks (pTHX)	461	coro_init_stacks ()
444	{	462	{
445	LOCK;
446
447	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	463	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
448	PL_curstackinfo->si_type = PERLSI_MAIN;	464	PL_curstackinfo->si_type = PERLSI_MAIN;
449	PL_curstack = PL_curstackinfo->si_stack;	465	PL_curstack = PL_curstackinfo->si_stack;
450	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	466	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451		467
…		…
472		488
473	New(54,PL_savestack,96,ANY);	489	New(54,PL_savestack,96,ANY);
474	PL_savestack_ix = 0;	490	PL_savestack_ix = 0;
475	PL_savestack_max = 96;	491	PL_savestack_max = 96;
476		492
477	#if PERL_VERSION < 9	493	#if !PERL_VERSION_ATLEAST (5,9,0)
478	New(54,PL_retstack,8,OP*);	494	New(54,PL_retstack,8,OP*);
479	PL_retstack_ix = 0;	495	PL_retstack_ix = 0;
480	PL_retstack_max = 8;	496	PL_retstack_max = 8;
481	#endif	497	#endif
482
483	UNLOCK;
484	}	498	}
485		499
486	/*	500	/*
487	* destroy the stacks, the callchain etc...	501	* destroy the stacks, the callchain etc...
488	*/	502	*/
489	static void	503	static void
490	destroy_stacks(pTHX)	504	coro_destroy_stacks()
491	{	505	{
492	if (!IN_DESTRUCT)	506	if (!IN_DESTRUCT)
493	{	507	{
494	/* is this ugly, I ask? */	508	/* is this ugly, I ask? */
495	LEAVE_SCOPE (0);	509	LEAVE_SCOPE (0);
…		…
526		540
527	Safefree (PL_tmps_stack);	541	Safefree (PL_tmps_stack);
528	Safefree (PL_markstack);	542	Safefree (PL_markstack);
529	Safefree (PL_scopestack);	543	Safefree (PL_scopestack);
530	Safefree (PL_savestack);	544	Safefree (PL_savestack);
531	#if PERL_VERSION < 9	545	#if !PERL_VERSION_ATLEAST (5,9,0)
532	Safefree (PL_retstack);	546	Safefree (PL_retstack);
533	#endif	547	#endif
534	}	548	}
535		549
536	static void	550	static void
537	setup_coro (struct coro *coro)	551	setup_coro (struct coro *coro)
538	{	552	{
539	/*	553	/*
540	* emulate part of the perl startup here.	554	* emulate part of the perl startup here.
541	*/	555	*/
542	dTHX;
543	dSP;
544	UNOP myop;
545	SV sub_init = (SV )get_cv (SUB_INIT, FALSE);
546		556
547	coro_init_stacks (aTHX);	557	coro_init_stacks ();
		558
548	/PL_curcop = 0;/	559	PL_curcop = 0;
549	/PL_in_eval = PL_in_eval;/ /* inherit */	560	PL_in_eval = 0;
		561	PL_curpm = 0;
		562
		563	{
		564	dSP;
		565	LOGOP myop;
		566
		567	/* I have no idea why this is needed, but it is */
		568	PUSHMARK (SP);
		569
550	SvREFCNT_dec (GvAV (PL_defgv));	570	SvREFCNT_dec (GvAV (PL_defgv));
551	GvAV (PL_defgv) = coro->args; coro->args = 0;	571	GvAV (PL_defgv) = coro->args; coro->args = 0;
552		572
553	SPAGAIN;
554
555	Zero (&myop, 1, UNOP);	573	Zero (&myop, 1, LOGOP);
556	myop.op_next = Nullop;	574	myop.op_next = Nullop;
557	myop.op_flags = OPf_WANT_VOID;	575	myop.op_flags = OPf_WANT_VOID;
558		576
559	PL_op = (OP *)&myop;	577	PL_op = (OP *)&myop;
560		578
561	PUSHMARK(SP);	579	PUSHMARK (SP);
562	XPUSHs (sub_init);	580	XPUSHs ((SV *)get_cv ("Coro::State::coro_init", FALSE));
563	PUTBACK;	581	PUTBACK;
564	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	582	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
565	SPAGAIN;	583	SPAGAIN;
566		584
567	ENTER; /* necessary e.g. for dounwind */	585	ENTER; /* necessary e.g. for dounwind */
		586	}
568	}	587	}
569		588
570	static void	589	static void
571	transfer_tail ()	590	free_coro_mortal ()
572	{	591	{
573	if (coro_mortal)	592	if (coro_mortal)
574	{	593	{
575	SvREFCNT_dec (coro_mortal);	594	SvREFCNT_dec (coro_mortal);
576	coro_mortal = 0;	595	coro_mortal = 0;
577	}	596	}
		597	}
578		598
		599	static void NOINLINE
		600	prepare_cctx (coro_stack *cctx)
		601	{
		602	dSP;
		603	LOGOP myop;
		604
		605	Zero (&myop, 1, LOGOP);
		606	myop.op_next = PL_op;
		607	myop.op_flags = OPf_WANT_VOID;
		608
		609	sv_setiv (get_sv ("Coro::State::cctx_stack", FALSE), PTR2IV (cctx));
		610
		611	PUSHMARK (SP);
		612	XPUSHs ((SV *)get_cv ("Coro::State::cctx_init", FALSE));
		613	PUTBACK;
		614	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);
		615	SPAGAIN;
		616	}
		617
		618	static void
		619	coro_run (void *arg)
		620	{
		621	/* coro_run is the alternative epilogue of transfer() */
579	UNLOCK;	622	UNLOCK;
580	}
581		623
582	static void
583	coro_run (void *arg)
584	{
585	/*	624	/*
586	* this is a _very_ stripped down perl interpreter ;)	625	* this is a _very_ stripped down perl interpreter ;)
587	*/	626	*/
588	dTHX;
589
590	transfer_tail ();
591
592	PL_top_env = &PL_start_env;	627	PL_top_env = &PL_start_env;
593	PL_restartop = PL_op->op_next;	628	/* inject call to cctx_init */
		629	prepare_cctx ((coro_stack *)arg);
		630
594	/* somebody will hit me for both perl_run and PL_restart_top */	631	/* somebody will hit me for both perl_run and PL_restartop */
595	perl_run (aTHX_ PERL_GET_CONTEXT);	632	perl_run (PL_curinterp);
596		633
		634	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);
597	abort ();	635	abort ();
598	}	636	}
599		637
600	static coro_stack *	638	static coro_stack *
601	stack_new ()	639	stack_new ()
…		…
604		642
605	New (0, stack, 1, coro_stack);	643	New (0, stack, 1, coro_stack);
606		644
607	#if HAVE_MMAP	645	#if HAVE_MMAP
608		646
609	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE; /* mmap should do allocate-on-write for us */	647	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;
		648	/* mmap suppsedly does allocate-on-write for us */
610	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	649	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
611		650
612	if (stack->sptr == (void *)-1)	651	if (stack->sptr == (void *)-1)
613	{	652	{
614	fprintf (stderr, "FATAL: unable to mmap stack for coroutine\n");	653	perror ("FATAL: unable to mmap stack for coroutine");
615	_exit (EXIT_FAILURE);	654	_exit (EXIT_FAILURE);
616	}	655	}
617		656
		657	# if STACKGUARD
618	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	658	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
		659	# endif
619		660
620	#else	661	#else
621		662
622	stack->ssize = STACKSIZE * (long)sizeof (long);	663	stack->ssize = STACKSIZE * (long)sizeof (long);
623	New (0, stack->sptr, STACKSIZE, long);	664	New (0, stack->sptr, STACKSIZE, long);
624		665
625	if (!stack->sptr)	666	if (!stack->sptr)
626	{	667	{
627	fprintf (stderr, "FATAL: unable to malloc stack for coroutine\n");	668	perror (stderr, "FATAL: unable to malloc stack for coroutine");
628	_exit (EXIT_FAILURE);	669	_exit (EXIT_FAILURE);
629	}	670	}
630		671
631	#endif	672	#endif
632		673
		674	#if USE_VALGRIND
		675	stack->valgrind_id = VALGRIND_STACK_REGISTER (
		676	STACKGUARD * PAGESIZE + (char *)stack->sptr,
		677	stack->ssize + (char *)stack->sptr
		678	);
		679	#endif
		680
633	coro_create (&stack->cctx, coro_run, 0, stack->sptr, stack->ssize);	681	coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize);
634		682
635	return stack;	683	return stack;
636	}	684	}
637		685
638	static void	686	static void
639	stack_free (coro_stack *stack)	687	stack_free (coro_stack *stack)
640	{	688	{
641	if (!stack \|\| stack == main_stack)	689	if (!stack)
642	return;	690	return;
		691
		692	#if USE_VALGRIND
		693	VALGRIND_STACK_DEREGISTER (stack->valgrind_id);
		694	#endif
643		695
644	#if HAVE_MMAP	696	#if HAVE_MMAP
645	munmap (stack->sptr, stack->ssize);	697	munmap (stack->sptr, stack->ssize);
646	#else	698	#else
647	Safefree (stack->sptr);	699	Safefree (stack->sptr);
…		…
649		701
650	Safefree (stack);	702	Safefree (stack);
651	}	703	}
652		704
653	static coro_stack *stack_first;	705	static coro_stack *stack_first;
		706	static int cctx_count, cctx_idle;
654		707
655	static void	708	static coro_stack *
656	stack_get (struct coro *coro)	709	stack_get ()
657	{	710	{
		711	coro_stack *stack;
		712
658	if (stack_first)	713	if (stack_first)
659	{	714	{
		715	--cctx_idle;
660	coro->stack = stack_first;	716	stack = stack_first;
661	stack_first = stack_first->next;	717	stack_first = stack->next;
662	}	718	}
663	else	719	else
		720	{
		721	++cctx_count;
664	coro->stack = stack_new ();	722	stack = stack_new ();
		723	PL_op = PL_op->op_next;
		724	}
		725
		726	return stack;
665	}	727	}
666		728
667	static void	729	static void
668	stack_put (coro_stack *stack)	730	stack_put (coro_stack *stack)
669	{	731	{
		732	++cctx_idle;
670	stack->next = stack_first;	733	stack->next = stack_first;
671	stack_first = stack;	734	stack_first = stack;
672	}	735	}
673		736
674	/* never call directly, always through the coro_state_transfer global variable */	737	/* never call directly, always through the coro_state_transfer global variable */
675	static void	738	static void NOINLINE
676	transfer_impl (pTHX_ struct coro prev, struct coro next, int flags)	739	transfer (struct coro prev, struct coro next, int flags)
677	{	740	{
678	dSTACKLEVEL;	741	dSTACKLEVEL;
679		742
680	/* sometimes transfer is only called to set idle_sp */	743	/* sometimes transfer is only called to set idle_sp */
681	if (!prev->stack->idle_sp)	744	if (flags == TRANSFER_SET_STACKLEVEL)
682	prev->stack->idle_sp = stacklevel;	745	((coro_stack *)prev)->idle_sp = STACKLEVEL;
683
684	LOCK;
685
686	if (prev != next)	746	else if (prev != next)
687	{	747	{
688	coro_stack *prev_stack = prev->stack;	748	coro_stack *prev__stack;
689		749
690	/* possibly "free" the stack */	750	LOCK;
691	if (prev_stack->idle_sp == stacklevel)	751
		752	if (next->mainstack)
692	{	753	{
693	stack_put (prev_stack);	754	/* coroutine already started */
694	prev->stack = 0;	755	SAVE (prev, flags);
		756	LOAD (next);
695	}	757	}
696		758	else
697	if (!next->mainstack)
698	{	759	{
		760	/* need to start coroutine */
699	/* first get rid of the old state */	761	/* first get rid of the old state */
700	SAVE (prev, -1);	762	SAVE (prev, -1);
701	/* setup coroutine call */	763	/* setup coroutine call */
702	setup_coro (next);	764	setup_coro (next);
		765	/* need a stack */
703	next->stack = 0;	766	next->stack = 0;
704	}	767	}
705	else	768
		769	if (!prev->stack)
		770	/* create a new empty context */
		771	Newz (0, prev->stack, 1, coro_stack);
		772
		773	prev__stack = prev->stack;
		774
		775	/* possibly "free" the stack */
		776	if (prev__stack->idle_sp == STACKLEVEL)
706	{	777	{
707	SAVE (prev, flags);	778	stack_put (prev__stack);
708	LOAD (next);	779	prev->stack = 0;
709	}	780	}
710		781
711	if (!next->stack)	782	if (!next->stack)
712	stack_get (next);	783	next->stack = stack_get ();
713		784
714	if (prev_stack != next->stack)	785	if (prev__stack != next->stack)
		786	{
		787	prev__stack->top_env = PL_top_env;
		788	PL_top_env = next->stack->top_env;
715	coro_transfer (&prev_stack->cctx, &next->stack->cctx);	789	coro_transfer (&prev__stack->cctx, &next->stack->cctx);
		790	}
		791
		792	free_coro_mortal ();
		793
		794	UNLOCK;
716	}	795	}
717
718	transfer_tail ();
719	}	796	}
720		797
721	/* use this function pointer to call the above function */	798	struct transfer_args
722	/* this is done to increase chances of the compiler not inlining the call */	799	{
723	void (coro_state_transfer)(pTHX_ struct coro prev, struct coro *next, int flags) = transfer_impl;	800	struct coro prev, next;
		801	int flags;
		802	};
		803
		804	#define TRANSFER(ta) transfer ((ta).prev, (ta).next, (ta).flags)
724		805
725	static void	806	static void
726	coro_state_destroy (struct coro *coro)	807	coro_state_destroy (struct coro *coro)
727	{	808	{
728	if (coro->refcnt--)	809	if (coro->refcnt--)
…		…
730		811
731	if (coro->mainstack && coro->mainstack != main_mainstack)	812	if (coro->mainstack && coro->mainstack != main_mainstack)
732	{	813	{
733	struct coro temp;	814	struct coro temp;
734		815
735	SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);	816	SAVE ((&temp), TRANSFER_SAVE_ALL);
736	LOAD (aTHX_ coro);	817	LOAD (coro);
737		818
738	destroy_stacks (aTHX);	819	coro_destroy_stacks ();
739		820
740	LOAD ((&temp)); /* this will get rid of defsv etc.. */	821	LOAD ((&temp)); /* this will get rid of defsv etc.. */
741		822
742	coro->mainstack = 0;	823	coro->mainstack = 0;
743	}	824	}
…		…
746	SvREFCNT_dec (coro->args);	827	SvREFCNT_dec (coro->args);
747	Safefree (coro);	828	Safefree (coro);
748	}	829	}
749		830
750	static int	831	static int
751	coro_state_clear (SV sv, MAGIC mg)	832	coro_state_clear (pTHX_ SV sv, MAGIC mg)
752	{	833	{
753	struct coro coro = (struct coro )mg->mg_ptr;	834	struct coro coro = (struct coro )mg->mg_ptr;
754	mg->mg_ptr = 0;	835	mg->mg_ptr = 0;
755		836
756	coro_state_destroy (coro);	837	coro_state_destroy (coro);
757		838
758	return 0;	839	return 0;
759	}	840	}
760		841
761	static int	842	static int
762	coro_state_dup (MAGIC mg, CLONE_PARAMS params)	843	coro_state_dup (pTHX_ MAGIC mg, CLONE_PARAMS params)
763	{	844	{
764	struct coro coro = (struct coro )mg->mg_ptr;	845	struct coro coro = (struct coro )mg->mg_ptr;
765		846
766	++coro->refcnt;	847	++coro->refcnt;
767		848
768	return 0;	849	return 0;
769	}	850	}
770		851
771	static MGVTBL coro_state_vtbl = { 0, 0, 0, 0, coro_state_clear, 0, coro_state_dup, 0 };	852	static MGVTBL coro_state_vtbl = {
		853	0, 0, 0, 0,
		854	coro_state_clear,
		855	0,
		856	#ifdef MGf_DUP
		857	coro_state_dup,
		858	#else
		859	# define MGf_DUP 0
		860	#endif
		861	};
772		862
773	static struct coro *	863	static struct coro *
774	SvSTATE (SV *coro)	864	SvSTATE (SV *coro)
775	{	865	{
776	HV *stash;	866	HV *stash;
…		…
791	assert (mg->mg_type == PERL_MAGIC_ext);	881	assert (mg->mg_type == PERL_MAGIC_ext);
792	return (struct coro *)mg->mg_ptr;	882	return (struct coro *)mg->mg_ptr;
793	}	883	}
794		884
795	static void	885	static void
		886	prepare_transfer (struct transfer_args ta, SV prev, SV *next, int flags)
		887	{
		888	ta->prev = SvSTATE (prev);
		889	ta->next = SvSTATE (next);
		890	ta->flags = flags;
		891	}
		892
		893	static void
796	api_transfer (pTHX_ SV prev, SV next, int flags)	894	api_transfer (SV prev, SV next, int flags)
797	{	895	{
798	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);	896	dTHX;
		897	struct transfer_args ta;
		898
		899	prepare_transfer (&ta, prev, next, flags);
		900	TRANSFER (ta);
799	}	901	}
800		902
801	/ Coro ******************************************************************/	903	/ Coro ******************************************************************/
802		904
803	#define PRIO_MAX 3	905	#define PRIO_MAX 3
…		…
811	static GV coro_current, coro_idle;	913	static GV coro_current, coro_idle;
812	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	914	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
813	static int coro_nready;	915	static int coro_nready;
814		916
815	static void	917	static void
816	coro_enq (pTHX_ SV *sv)	918	coro_enq (SV *sv)
817	{	919	{
818	int prio;	920	int prio;
819		921
820	if (SvTYPE (sv) != SVt_PVHV)	922	if (SvTYPE (sv) != SVt_PVHV)
821	croak ("Coro::ready tried to enqueue something that is not a coroutine");	923	croak ("Coro::ready tried to enqueue something that is not a coroutine");
…		…
825	av_push (coro_ready [prio - PRIO_MIN], sv);	927	av_push (coro_ready [prio - PRIO_MIN], sv);
826	coro_nready++;	928	coro_nready++;
827	}	929	}
828		930
829	static SV *	931	static SV *
830	coro_deq (pTHX_ int min_prio)	932	coro_deq (int min_prio)
831	{	933	{
832	int prio = PRIO_MAX - PRIO_MIN;	934	int prio = PRIO_MAX - PRIO_MIN;
833		935
834	min_prio -= PRIO_MIN;	936	min_prio -= PRIO_MIN;
835	if (min_prio < 0)	937	if (min_prio < 0)
…		…
852		954
853	if (SvROK (coro))	955	if (SvROK (coro))
854	coro = SvRV (coro);	956	coro = SvRV (coro);
855		957
856	LOCK;	958	LOCK;
857	coro_enq (aTHX_ SvREFCNT_inc (coro));	959	coro_enq (SvREFCNT_inc (coro));
858	UNLOCK;	960	UNLOCK;
859	}	961	}
860		962
861	static void	963	static void
862	api_schedule (void)	964	prepare_schedule (struct transfer_args *ta)
863	{	965	{
864	dTHX;
865
866	SV prev, next;	966	SV current, prev, *next;
		967
867	SV *current = GvSV (coro_current);	968	current = GvSV (coro_current);
868		969
869	for (;;)	970	for (;;)
870	{	971	{
871	LOCK;	972	LOCK;
872
873	next = coro_deq (aTHX_ PRIO_MIN);	973	next = coro_deq (PRIO_MIN);
		974	UNLOCK;
874		975
875	if (next)	976	if (next)
876	break;	977	break;
877
878	UNLOCK;
879		978
880	{	979	{
881	dSP;	980	dSP;
882		981
883	ENTER;	982	ENTER;
…		…
894		993
895	prev = SvRV (current);	994	prev = SvRV (current);
896	SvRV (current) = next;	995	SvRV (current) = next;
897		996
898	/* free this only after the transfer */	997	/* free this only after the transfer */
		998	LOCK;
		999	free_coro_mortal ();
		1000	UNLOCK;
899	coro_mortal = prev;	1001	coro_mortal = prev;
900		1002
		1003	ta->prev = SvSTATE (prev);
		1004	ta->next = SvSTATE (next);
		1005	ta->flags = TRANSFER_SAVE_ALL;
		1006	}
		1007
		1008	static void
		1009	prepare_cede (struct transfer_args *ta)
		1010	{
		1011	LOCK;
		1012	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));
901	UNLOCK;	1013	UNLOCK;
902		1014
903	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), TRANSFER_SAVE_ALL);	1015	prepare_schedule (ta);
904	}	1016	}
905		1017
906	static int coro_cede_self;	1018	static void
		1019	api_schedule (void)
		1020	{
		1021	dTHX;
		1022	struct transfer_args ta;
		1023
		1024	prepare_schedule (&ta);
		1025	TRANSFER (ta);
		1026	}
907		1027
908	static void	1028	static void
909	api_cede (void)	1029	api_cede (void)
910	{	1030	{
911	dTHX;	1031	dTHX;
912	SV *current = SvREFCNT_inc (SvRV (GvSV (coro_current)));	1032	struct transfer_args ta;
913		1033
914	LOCK;	1034	prepare_cede (&ta);
915		1035	TRANSFER (ta);
916	if (coro_cede_self)
917	{
918	AV *runqueue = coro_ready [PRIO_MAX - PRIO_MIN];
919	av_unshift (runqueue, 1);
920	av_store (runqueue, 0, current);
921	coro_nready++;
922	coro_cede_self = 0;
923	}
924	else
925	coro_enq (aTHX_ current);
926
927	UNLOCK;
928
929	api_schedule ();
930	}	1036	}
931		1037
932	MODULE = Coro::State PACKAGE = Coro::State	1038	MODULE = Coro::State PACKAGE = Coro::State
933		1039
934	PROTOTYPES: DISABLE	1040	PROTOTYPES: DISABLE
…		…
949	main_mainstack = PL_mainstack;	1055	main_mainstack = PL_mainstack;
950		1056
951	coroapi.ver = CORO_API_VERSION;	1057	coroapi.ver = CORO_API_VERSION;
952	coroapi.transfer = api_transfer;	1058	coroapi.transfer = api_transfer;
953		1059
954	Newz (0, main_stack, 1, coro_stack);
955	main_stack->idle_sp = (void *)-1;
956
957	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1060	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
958	}	1061	}
959		1062
960	SV *	1063	SV *
961	new (char *klass, ...)	1064	new (char *klass, ...)
…		…
970		1073
971	hv = newHV ();	1074	hv = newHV ();
972	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1075	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
973	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1076	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
974		1077
975	av_push (coro->args, newSVsv (RETVAL));
976	for (i = 1; i < items; i++)	1078	for (i = 1; i < items; i++)
977	av_push (coro->args, newSVsv (ST (i)));	1079	av_push (coro->args, newSVsv (ST (i)));
978		1080
979	coro->stack = main_stack;
980	/coro->mainstack = 0; //actual work is done inside transfer /	1081	/coro->mainstack = 0; //actual work is done inside transfer /
981	/coro->stack = 0;/	1082	/coro->stack = 0;/
982	}	1083	}
983	OUTPUT:	1084	OUTPUT:
984	RETVAL	1085	RETVAL
985		1086
986	void	1087	void
987	transfer (prev, next, flags)	1088	_set_stacklevel (...)
988	SV *prev	1089	ALIAS:
989	SV *next	1090	Coro::State::transfer = 1
990	int flags	1091	Coro::schedule = 2
		1092	Coro::cede = 3
		1093	Coro::Cont::yield = 4
991	CODE:	1094	CODE:
992	PUTBACK;
993	coro_state_transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
994	SPAGAIN;
995
996	int
997	prio (Coro::State coro, int newprio = 0)
998	ALIAS:
999	nice = 1
1000	CODE:
1001	{	1095	{
1002	RETVAL = coro->prio;	1096	struct transfer_args ta;
1003		1097
1004	if (items > 1)	1098	switch (ix)
1005	{	1099	{
		1100	case 0:
		1101	ta.prev = (struct coro )INT2PTR (coro_stack , SvIV (ST (0)));
		1102	ta.next = 0;
		1103	ta.flags = TRANSFER_SET_STACKLEVEL;
		1104	break;
		1105
		1106	case 1:
1006	if (ix)	1107	if (items != 3)
1007	newprio += coro->prio;	1108	croak ("Coro::State::transfer(prev,next,flags) expects three arguments, not %d", items);
1008		1109
1009	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	1110	prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2)));
1010	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	1111	break;
1011		1112
1012	coro->prio = newprio;	1113	case 2:
		1114	prepare_schedule (&ta);
		1115	break;
		1116
		1117	case 3:
		1118	prepare_cede (&ta);
		1119	break;
		1120
		1121	case 4:
		1122	{
		1123	SV *yieldstack;
		1124	SV *sv;
		1125	AV *defav = GvAV (PL_defgv);
		1126
		1127	yieldstack = *hv_fetch (
		1128	(HV *)SvRV (GvSV (coro_current)),
		1129	"yieldstack", sizeof ("yieldstack") - 1,
		1130	0
		1131	);
		1132
		1133	/* set up @_ -- ugly */
		1134	av_clear (defav);
		1135	av_fill (defav, items - 1);
		1136	while (items--)
		1137	av_store (defav, items, SvREFCNT_inc (ST(items)));
		1138
		1139	sv = av_pop ((AV *)SvRV (yieldstack));
		1140	ta.prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
		1141	ta.next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
		1142	ta.flags = 0;
		1143	SvREFCNT_dec (sv);
		1144	}
		1145	break;
		1146
1013	}	1147	}
1014	}
1015		1148
1016	void	1149	TRANSFER (ta);
1017	_clear_idle_sp (Coro::State self)	1150	}
1018	CODE:
1019	self->stack->idle_sp = 0;
1020		1151
1021	void	1152	void
1022	_clone_state_from (SV dst, SV src)	1153	_clone_state_from (SV dst, SV src)
1023	CODE:	1154	CODE:
1024	{	1155	{
…		…
1035	int code	1166	int code
1036	PROTOTYPE: $	1167	PROTOTYPE: $
1037	CODE:	1168	CODE:
1038	_exit (code);	1169	_exit (code);
1039		1170
1040	MODULE = Coro::State PACKAGE = Coro::Cont
1041
1042	void
1043	yield (...)
1044	PROTOTYPE: @
1045	CODE:
1046	{
1047	SV *yieldstack;
1048	SV *sv;
1049	AV *defav = GvAV (PL_defgv);
1050	struct coro prev, next;
1051
1052	yieldstack = *hv_fetch (
1053	(HV *)SvRV (GvSV (coro_current)),
1054	"yieldstack", sizeof ("yieldstack") - 1,
1055	0
1056	);
1057
1058	/* set up @_ -- ugly */
1059	av_clear (defav);
1060	av_fill (defav, items - 1);
1061	while (items--)
1062	av_store (defav, items, SvREFCNT_inc (ST(items)));
1063
1064	sv = av_pop ((AV *)SvRV (yieldstack));
1065	prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
1066	next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
1067	SvREFCNT_dec (sv);
1068
1069	coro_state_transfer (aTHX_ prev, next, 0);
1070	}
1071
1072	MODULE = Coro::State PACKAGE = Coro	1171	MODULE = Coro::State PACKAGE = Coro
1073		1172
1074	BOOT:	1173	BOOT:
1075	{	1174	{
1076	int i;	1175	int i;
…		…
1101		1200
1102	GCoroAPI = &coroapi;	1201	GCoroAPI = &coroapi;
1103	sv_setiv (sv, (IV)&coroapi);	1202	sv_setiv (sv, (IV)&coroapi);
1104	SvREADONLY_on (sv);	1203	SvREADONLY_on (sv);
1105	}	1204	}
		1205	}
		1206
		1207	int
		1208	prio (Coro::State coro, int newprio = 0)
		1209	ALIAS:
		1210	nice = 1
		1211	CODE:
		1212	{
		1213	RETVAL = coro->prio;
		1214
		1215	if (items > 1)
		1216	{
		1217	if (ix)
		1218	newprio += coro->prio;
		1219
		1220	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		1221	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		1222
		1223	coro->prio = newprio;
		1224	}
1106	}	1225	}
1107		1226
1108	void	1227	void
1109	ready (SV *self)	1228	ready (SV *self)
1110	PROTOTYPE: $	1229	PROTOTYPE: $
…		…
1117	CODE:	1236	CODE:
1118	RETVAL = coro_nready;	1237	RETVAL = coro_nready;
1119	OUTPUT:	1238	OUTPUT:
1120	RETVAL	1239	RETVAL
1121		1240
1122	void
1123	schedule (...)
1124	PROTOTYPE:
1125	CODE:
1126	api_schedule ();
1127
1128	void
1129	_set_cede_self ()
1130	CODE:
1131	coro_cede_self = 1;
1132
1133	void
1134	cede (...)
1135	PROTOTYPE:
1136	CODE:
1137	api_cede ();
1138
1139	MODULE = Coro::State PACKAGE = Coro::AIO	1241	MODULE = Coro::State PACKAGE = Coro::AIO
1140		1242
1141	SV *	1243	SV *
1142	_get_state ()	1244	_get_state ()
1143	CODE:	1245	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC vs. Revision 1.105 by root, Mon Nov 27 02:01:33 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.89 by root, Sat Nov 25 00:40:26 2006 UTC vs.
Revision 1.105 by root, Mon Nov 27 02:01:33 2006 UTC