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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.136 by root, Fri Jan 12 01:05:55 2007 UTC vs.
Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
		2
		3	#define PERL_NO_GET_CONTEXT
2		4
3	#include "EXTERN.h"	5	#include "EXTERN.h"
4	#include "perl.h"	6	#include "perl.h"
5	#include "XSUB.h"	7	#include "XSUB.h"
6		8
31	#else	33	#else
32	# define PAGESIZE 0	34	# define PAGESIZE 0
33	# define BOOT_PAGESIZE (void)0	35	# define BOOT_PAGESIZE (void)0
34	#endif	36	#endif
35		37
36	#if USE_VALGRIND	38	#if CORO_USE_VALGRIND
37	# include <valgrind/valgrind.h>	39	# include <valgrind/valgrind.h>
		40	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))
		41	#else
		42	# define REGISTER_STACK(cctx,start,end)
38	#endif	43	#endif
39		44
40	/* the maximum number of idle cctx that will be pooled */	45	/* the maximum number of idle cctx that will be pooled */
41	#define MAX_IDLE_CCTX 8	46	#define MAX_IDLE_CCTX 8
42		47
…		…
71	#ifndef SvRV_set	76	#ifndef SvRV_set
72	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
73	#endif	78	#endif
74		79
75	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
76	# undef STACKGUARD	81	# undef CORO_STACKGUARD
77	#endif	82	#endif
78		83
79	#ifndef STACKGUARD	84	#ifndef CORO_STACKGUARD
80	# define STACKGUARD 0	85	# define CORO_STACKGUARD 0
81	#endif	86	#endif
82		87
83	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
84	#ifndef PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
85	# define PREFER_PERL_FUNCTIONS 0	90	# define CORO_PREFER_PERL_FUNCTIONS 0
86	#endif	91	#endif
87		92
88	/* The next macro should declare a variable stacklevel that contains and approximation	93	/* The next macro should declare a variable stacklevel that contains and approximation
89	* to the current C stack pointer. Its property is that it changes with each call	94	* to the current C stack pointer. Its property is that it changes with each call
90	* and should be unique. */	95	* and should be unique. */
…		…
121	I32 laststype;	126	I32 laststype;
122	int laststatval;	127	int laststatval;
123	Stat_t statcache;	128	Stat_t statcache;
124	};	129	};
125		130
		131	static size_t coro_stacksize = CORO_STACKSIZE;
126	static struct CoroAPI coroapi;	132	static struct CoroAPI coroapi;
127	static AV main_mainstack; / used to differentiate between $main and others */	133	static AV main_mainstack; / used to differentiate between $main and others */
		134	static JMPENV *main_top_env;
128	static HV coro_state_stash, coro_stash;	135	static HV coro_state_stash, coro_stash;
129	static SV coro_mortal; / will be freed after next transfer */	136	static SV coro_mortal; / will be freed after next transfer */
130		137
131	static struct coro_cctx *cctx_first;	138	static struct coro_cctx *cctx_first;
132	static int cctx_count, cctx_idle;	139	static int cctx_count, cctx_idle;
…		…
135	typedef struct coro_cctx {	142	typedef struct coro_cctx {
136	struct coro_cctx *next;	143	struct coro_cctx *next;
137		144
138	/* the stack */	145	/* the stack */
139	void *sptr;	146	void *sptr;
140	long ssize; /* positive == mmap, otherwise malloc */	147	size_t ssize;
141		148
142	/* cpu state */	149	/* cpu state */
143	void idle_sp; / sp of top-level transfer/schedule/cede call */	150	void idle_sp; / sp of top-level transfer/schedule/cede call */
144	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	151	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
145	JMPENV *top_env;	152	JMPENV *top_env;
146	coro_context cctx;	153	coro_context cctx;
147		154
148	int inuse;
149
150	#if USE_VALGRIND	155	#if CORO_USE_VALGRIND
151	int valgrind_id;	156	int valgrind_id;
152	#endif	157	#endif
		158	char inuse, mapped;
153	} coro_cctx;	159	} coro_cctx;
154		160
155	enum {	161	enum {
156	CF_RUNNING = 0x0001, /* coroutine is running */	162	CF_RUNNING = 0x0001, /* coroutine is running */
157	CF_READY = 0x0002, /* coroutine is ready */	163	CF_READY = 0x0002, /* coroutine is ready */
…		…
172		178
173	/* optionally saved, might be zero */	179	/* optionally saved, might be zero */
174	AV defav; / @_ */	180	AV defav; / @_ */
175	SV defsv; / $_ */	181	SV defsv; / $_ */
176	SV errsv; / $@ */	182	SV errsv; / $@ */
		183	GV deffh; / default filehandle */
177	SV irssv; / $/ */	184	SV irssv; / $/ */
178	SV irssv_sv; / real $/ cache */	185	SV irssv_sv; / real $/ cache */
179		186
180	#define VAR(name,type) type name;	187	#define VAR(name,type) type name;
181	# include "state.h"	188	# include "state.h"
…		…
186	};	193	};
187		194
188	typedef struct coro *Coro__State;	195	typedef struct coro *Coro__State;
189	typedef struct coro *Coro__State_or_hashref;	196	typedef struct coro *Coro__State_or_hashref;
190		197
		198	/ Coro ******************************************************************/
		199
		200	#define PRIO_MAX 3
		201	#define PRIO_HIGH 1
		202	#define PRIO_NORMAL 0
		203	#define PRIO_LOW -1
		204	#define PRIO_IDLE -3
		205	#define PRIO_MIN -4
		206
		207	/* for Coro.pm */
		208	static SV *coro_current;
		209	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
		210	static int coro_nready;
		211
		212	/ lowlevel stuff ********************************************************/
		213
191	static AV *	214	static AV *
192	coro_clone_padlist (CV *cv)	215	coro_clone_padlist (pTHX_ CV *cv)
193	{	216	{
194	AV *padlist = CvPADLIST (cv);	217	AV *padlist = CvPADLIST (cv);
195	AV newpadlist, newpad;	218	AV newpadlist, newpad;
196		219
197	newpadlist = newAV ();	220	newpadlist = newAV ();
…		…
209		232
210	return newpadlist;	233	return newpadlist;
211	}	234	}
212		235
213	static void	236	static void
214	free_padlist (AV *padlist)	237	free_padlist (pTHX_ AV *padlist)
215	{	238	{
216	/* may be during global destruction */	239	/* may be during global destruction */
217	if (SvREFCNT (padlist))	240	if (SvREFCNT (padlist))
218	{	241	{
219	I32 i = AvFILLp (padlist);	242	I32 i = AvFILLp (padlist);
…		…
240	AV *padlist;	263	AV *padlist;
241	AV av = (AV )mg->mg_obj;	264	AV av = (AV )mg->mg_obj;
242		265
243	/* casting is fun. */	266	/* casting is fun. */
244	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	267	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
245	free_padlist (padlist);	268	free_padlist (aTHX_ padlist);
246		269
247	SvREFCNT_dec (av);	270	SvREFCNT_dec (av);
248		271
249	return 0;	272	return 0;
250	}	273	}
…		…
260	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	283	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
261	: 0	284	: 0
262		285
263	/* the next two functions merely cache the padlists */	286	/* the next two functions merely cache the padlists */
264	static void	287	static void
265	get_padlist (CV *cv)	288	get_padlist (pTHX_ CV *cv)
266	{	289	{
267	MAGIC *mg = CORO_MAGIC (cv);	290	MAGIC *mg = CORO_MAGIC (cv);
268	AV *av;	291	AV *av;
269		292
270	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	293	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
271	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	294	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
272	else	295	else
273	{	296	{
274	#if PREFER_PERL_FUNCTIONS	297	#if CORO_PREFER_PERL_FUNCTIONS
275	/* this is probably cleaner, but also slower? */	298	/* this is probably cleaner, but also slower? */
276	CV *cp = Perl_cv_clone (cv);	299	CV *cp = Perl_cv_clone (cv);
277	CvPADLIST (cv) = CvPADLIST (cp);	300	CvPADLIST (cv) = CvPADLIST (cp);
278	CvPADLIST (cp) = 0;	301	CvPADLIST (cp) = 0;
279	SvREFCNT_dec (cp);	302	SvREFCNT_dec (cp);
280	#else	303	#else
281	CvPADLIST (cv) = coro_clone_padlist (cv);	304	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
282	#endif	305	#endif
283	}	306	}
284	}	307	}
285		308
286	static void	309	static void
287	put_padlist (CV *cv)	310	put_padlist (pTHX_ CV *cv)
288	{	311	{
289	MAGIC *mg = CORO_MAGIC (cv);	312	MAGIC *mg = CORO_MAGIC (cv);
290	AV *av;	313	AV *av;
291		314
292	if (!mg)	315	if (!mg)
…		…
303	av_extend (av, AvMAX (av) + 1);	326	av_extend (av, AvMAX (av) + 1);
304		327
305	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	328	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
306	}	329	}
307		330
		331	/ load & save, init *****************************************************/
		332
308	#define SB do {	333	#define SB do {
309	#define SE } while (0)	334	#define SE } while (0)
310		335
311	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	336	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
312		337
313	static void	338	static void
314	load_perl (Coro__State c)	339	load_perl (pTHX_ Coro__State c)
315	{	340	{
316	#define VAR(name,type) PL_ ## name = c->name;	341	#define VAR(name,type) PL_ ## name = c->name;
317	# include "state.h"	342	# include "state.h"
318	#undef VAR	343	#undef VAR
319		344
320	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	345	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
321	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	346	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
322	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	347	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		348	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		349
323	if (c->irssv)	350	if (c->irssv)
324	{	351	{
325	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	352	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		353	{
326	SvREFCNT_dec (c->irssv);	354	SvREFCNT_dec (c->irssv);
		355	c->irssv = 0;
		356	}
327	else	357	else
328	{	358	{
329	REPLACE_SV (PL_rs, c->irssv);	359	REPLACE_SV (PL_rs, c->irssv);
330	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	360	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
331	sv_setsv (c->irssv_sv, PL_rs);	361	sv_setsv (c->irssv_sv, PL_rs);
…		…
337	CV *cv;	367	CV *cv;
338		368
339	/* now do the ugly restore mess */	369	/* now do the ugly restore mess */
340	while ((cv = (CV *)POPs))	370	while ((cv = (CV *)POPs))
341	{	371	{
342	put_padlist (cv); /* mark this padlist as available */	372	put_padlist (aTHX_ cv); /* mark this padlist as available */
343	CvDEPTH (cv) = PTR2IV (POPs);	373	CvDEPTH (cv) = PTR2IV (POPs);
344	CvPADLIST (cv) = (AV *)POPs;	374	CvPADLIST (cv) = (AV *)POPs;
345	}	375	}
346		376
347	PUTBACK;	377	PUTBACK;
348	}	378	}
		379	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
349	}	380	}
350		381
351	static void	382	static void
352	save_perl (Coro__State c)	383	save_perl (pTHX_ Coro__State c)
353	{	384	{
		385	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
354	{	386	{
355	dSP;	387	dSP;
356	I32 cxix = cxstack_ix;	388	I32 cxix = cxstack_ix;
357	PERL_CONTEXT *ccstk = cxstack;	389	PERL_CONTEXT *ccstk = cxstack;
358	PERL_SI *top_si = PL_curstackinfo;	390	PERL_SI *top_si = PL_curstackinfo;
…		…
381	PUSHs ((SV *)CvPADLIST (cv));	413	PUSHs ((SV *)CvPADLIST (cv));
382	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	414	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
383	PUSHs ((SV *)cv);	415	PUSHs ((SV *)cv);
384		416
385	CvDEPTH (cv) = 0;	417	CvDEPTH (cv) = 0;
386	get_padlist (cv);	418	get_padlist (aTHX_ cv);
387	}	419	}
388	}	420	}
389	}	421	}
390		422
391	if (top_si->si_type == PERLSI_MAIN)	423	if (top_si->si_type == PERLSI_MAIN)
…		…
400	}	432	}
401		433
402	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	434	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
403	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	435	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
404	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	436	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		437	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
405	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	438	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
406		439
407	#define VAR(name,type)c->name = PL_ ## name;	440	#define VAR(name,type)c->name = PL_ ## name;
408	# include "state.h"	441	# include "state.h"
409	#undef VAR	442	#undef VAR
…		…
413	* allocate various perl stacks. This is an exact copy	446	* allocate various perl stacks. This is an exact copy
414	* of perl.c:init_stacks, except that it uses less memory	447	* of perl.c:init_stacks, except that it uses less memory
415	* on the (sometimes correct) assumption that coroutines do	448	* on the (sometimes correct) assumption that coroutines do
416	* not usually need a lot of stackspace.	449	* not usually need a lot of stackspace.
417	*/	450	*/
418	#if PREFER_PERL_FUNCTIONS	451	#if CORO_PREFER_PERL_FUNCTIONS
419	# define coro_init_stacks init_stacks	452	# define coro_init_stacks init_stacks
420	#else	453	#else
421	static void	454	static void
422	coro_init_stacks ()	455	coro_init_stacks (pTHX)
423	{	456	{
424	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	457	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));
425	PL_curstackinfo->si_type = PERLSI_MAIN;	458	PL_curstackinfo->si_type = PERLSI_MAIN;
426	PL_curstack = PL_curstackinfo->si_stack;	459	PL_curstack = PL_curstackinfo->si_stack;
427	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	460	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
…		…
461		494
462	/*	495	/*
463	* destroy the stacks, the callchain etc...	496	* destroy the stacks, the callchain etc...
464	*/	497	*/
465	static void	498	static void
466	coro_destroy_stacks ()	499	coro_destroy_stacks (pTHX)
467	{	500	{
468	if (!IN_DESTRUCT)	501	if (!IN_DESTRUCT)
469	{	502	{
470	/* restore all saved variables and stuff */	503	/* restore all saved variables and stuff */
471	LEAVE_SCOPE (0);	504	LEAVE_SCOPE (0);
…		…
504	#if !PERL_VERSION_ATLEAST (5,9,0)	537	#if !PERL_VERSION_ATLEAST (5,9,0)
505	Safefree (PL_retstack);	538	Safefree (PL_retstack);
506	#endif	539	#endif
507	}	540	}
508		541
		542	/ coroutine stack handling **********************************************/
		543
509	static void	544	static void
510	setup_coro (struct coro *coro)	545	setup_coro (pTHX_ struct coro *coro)
511	{	546	{
512	/*	547	/*
513	* emulate part of the perl startup here.	548	* emulate part of the perl startup here.
514	*/	549	*/
515
516	coro_init_stacks ();	550	coro_init_stacks (aTHX);
517		551
518	PL_curcop = &PL_compiling;	552	PL_curcop = &PL_compiling;
519	PL_in_eval = EVAL_NULL;	553	PL_in_eval = EVAL_NULL;
		554	PL_comppad = 0;
520	PL_curpm = 0;	555	PL_curpm = 0;
521	PL_localizing = 0;	556	PL_localizing = 0;
522	PL_dirty = 0;	557	PL_dirty = 0;
523	PL_restartop = 0;	558	PL_restartop = 0;
524		559
…		…
532	Zero (&myop, 1, LOGOP);	567	Zero (&myop, 1, LOGOP);
533	myop.op_next = Nullop;	568	myop.op_next = Nullop;
534	myop.op_flags = OPf_WANT_VOID;	569	myop.op_flags = OPf_WANT_VOID;
535		570
536	PUSHMARK (SP);	571	PUSHMARK (SP);
537	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	572	XPUSHs (av_shift (GvAV (PL_defgv)));
538	PUTBACK;	573	PUTBACK;
539	PL_op = (OP *)&myop;	574	PL_op = (OP *)&myop;
540	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	575	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
541	SPAGAIN;	576	SPAGAIN;
542	}	577	}
543		578
544	ENTER; /* necessary e.g. for dounwind */	579	ENTER; /* necessary e.g. for dounwind */
545	}	580	}
546		581
547	static void	582	static void
548	free_coro_mortal ()	583	free_coro_mortal (pTHX)
549	{	584	{
550	if (coro_mortal)	585	if (coro_mortal)
551	{	586	{
552	SvREFCNT_dec (coro_mortal);	587	SvREFCNT_dec (coro_mortal);
553	coro_mortal = 0;	588	coro_mortal = 0;
554	}	589	}
555	}	590	}
556		591
557	/* inject a fake call to Coro::State::_cctx_init into the execution */	592	/* inject a fake call to Coro::State::_cctx_init into the execution */
		593	/* _cctx_init shoukld be careful, as it could be called at almost any time */
		594	/* during execution of a pelr program */
558	static void NOINLINE	595	static void NOINLINE
559	prepare_cctx (coro_cctx *cctx)	596	prepare_cctx (pTHX_ coro_cctx *cctx)
560	{	597	{
561	dSP;	598	dSP;
562	LOGOP myop;	599	LOGOP myop;
563		600
564	Zero (&myop, 1, LOGOP);	601	Zero (&myop, 1, LOGOP);
…		…
573	PL_op = (OP *)&myop;	610	PL_op = (OP *)&myop;
574	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	611	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
575	SPAGAIN;	612	SPAGAIN;
576	}	613	}
577		614
		615	/*
		616	* this is a _very_ stripped down perl interpreter ;)
		617	*/
578	static void	618	static void
579	coro_run (void *arg)	619	coro_run (void *arg)
580	{	620	{
		621	dTHX;
		622
581	/* coro_run is the alternative tail of transfer(), so unlock here. */	623	/* coro_run is the alternative tail of transfer(), so unlock here. */
582	UNLOCK;	624	UNLOCK;
583		625
584	/*
585	* this is a _very_ stripped down perl interpreter ;)
586	*/
587	PL_top_env = &PL_start_env;	626	PL_top_env = &PL_start_env;
588		627
589	/* inject call to cctx_init */	628	/* inject a fake subroutine call to cctx_init */
590	prepare_cctx ((coro_cctx *)arg);	629	prepare_cctx (aTHX_ (coro_cctx *)arg);
591		630
592	/* somebody will hit me for both perl_run and PL_restartop */	631	/* somebody or something will hit me for both perl_run and PL_restartop */
593	PL_restartop = PL_op;	632	PL_restartop = PL_op;
594	perl_run (PL_curinterp);	633	perl_run (PL_curinterp);
595		634
596	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	635	/*
597	abort ();	636	* If perl-run returns we assume exit() was being called or the coro
		637	* fell off the end, which seems to be the only valid (non-bug)
		638	* reason for perl_run to return. We try to exit by jumping to the
		639	* bootstrap-time "top" top_env, as we cannot restore the "main"
		640	* coroutine as Coro has no such concept
		641	*/
		642	PL_top_env = main_top_env;
		643	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
598	}	644	}
599		645
600	static coro_cctx *	646	static coro_cctx *
601	cctx_new ()	647	cctx_new ()
602	{	648	{
603	coro_cctx *cctx;	649	coro_cctx *cctx;
		650	void *stack_start;
		651	size_t stack_size;
604		652
605	++cctx_count;	653	++cctx_count;
606		654
607	Newz (0, cctx, 1, coro_cctx);	655	Newz (0, cctx, 1, coro_cctx);
608		656
609	#if HAVE_MMAP	657	#if HAVE_MMAP
610		658
611	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	659	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
612	/* mmap supposedly does allocate-on-write for us */	660	/* mmap supposedly does allocate-on-write for us */
613	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	661	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
614		662
615	if (cctx->sptr == (void *)-1)	663	if (cctx->sptr != (void *)-1)
616	{
617	perror ("FATAL: unable to mmap stack for coroutine");
618	_exit (EXIT_FAILURE);
619	}	664	{
620
621	# if STACKGUARD	665	# if CORO_STACKGUARD
622	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	666	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
623	# endif	667	# endif
		668	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
		669	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
		670	cctx->mapped = 1;
		671	}
		672	else
		673	#endif
		674	{
		675	cctx->ssize = coro_stacksize * (long)sizeof (long);
		676	New (0, cctx->sptr, coro_stacksize, long);
624		677
625	#else
626
627	cctx->ssize = STACKSIZE * (long)sizeof (long);
628	New (0, cctx->sptr, STACKSIZE, long);
629
630	if (!cctx->sptr)	678	if (!cctx->sptr)
631	{	679	{
632	perror ("FATAL: unable to malloc stack for coroutine");	680	perror ("FATAL: unable to allocate stack for coroutine");
633	_exit (EXIT_FAILURE);	681	_exit (EXIT_FAILURE);
634	}	682	}
635		683
636	#endif	684	stack_start = cctx->sptr;
		685	stack_size = cctx->ssize;
		686	}
637		687
638	#if USE_VALGRIND	688	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
639	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
640	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
641	cctx->ssize + (char *)cctx->sptr
642	);
643	#endif
644
645	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);	689	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
646		690
647	return cctx;	691	return cctx;
648	}	692	}
649		693
650	static void	694	static void
…		…
653	if (!cctx)	697	if (!cctx)
654	return;	698	return;
655		699
656	--cctx_count;	700	--cctx_count;
657		701
658	#if USE_VALGRIND	702	#if CORO_USE_VALGRIND
659	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	703	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
660	#endif	704	#endif
661		705
662	#if HAVE_MMAP	706	#if HAVE_MMAP
		707	if (cctx->mapped)
663	munmap (cctx->sptr, cctx->ssize);	708	munmap (cctx->sptr, cctx->ssize);
664	#else	709	else
		710	#endif
665	Safefree (cctx->sptr);	711	Safefree (cctx->sptr);
666	#endif
667		712
668	Safefree (cctx);	713	Safefree (cctx);
669	}	714	}
670		715
671	static coro_cctx *	716	static coro_cctx *
672	cctx_get ()	717	cctx_get (pTHX)
673	{	718	{
674	coro_cctx *cctx;
675
676	if (cctx_first)	719	while (cctx_first)
677	{	720	{
678	cctx = cctx_first;	721	coro_cctx *cctx = cctx_first;
679	cctx_first = cctx->next;	722	cctx_first = cctx->next;
680	--cctx_idle;	723	--cctx_idle;
		724
		725	if (cctx->ssize >= coro_stacksize)
		726	return cctx;
		727
		728	cctx_destroy (cctx);
681	}	729	}
682	else	730
683	{
684	cctx = cctx_new ();
685	PL_op = PL_op->op_next;	731	PL_op = PL_op->op_next;
686	}
687
688	return cctx;	732	return cctx_new ();
689	}	733	}
690		734
691	static void	735	static void
692	cctx_put (coro_cctx *cctx)	736	cctx_put (coro_cctx *cctx)
693	{	737	{
…		…
705	++cctx_idle;	749	++cctx_idle;
706	cctx->next = cctx_first;	750	cctx->next = cctx_first;
707	cctx_first = cctx;	751	cctx_first = cctx;
708	}	752	}
709		753
		754	/ coroutine switching ***************************************************/
		755
710	/* never call directly, always through the coro_state_transfer global variable */	756	/* never call directly, always through the coro_state_transfer global variable */
711	static void NOINLINE	757	static void NOINLINE
712	transfer (struct coro prev, struct coro next)	758	transfer (pTHX_ struct coro prev, struct coro next)
713	{	759	{
714	dSTACKLEVEL;	760	dSTACKLEVEL;
715		761
716	/* sometimes transfer is only called to set idle_sp */	762	/* sometimes transfer is only called to set idle_sp */
717	if (!next)	763	if (!next)
…		…
750	if (next->flags & CF_NEW)	796	if (next->flags & CF_NEW)
751	{	797	{
752	/* need to start coroutine */	798	/* need to start coroutine */
753	next->flags &= ~CF_NEW;	799	next->flags &= ~CF_NEW;
754	/* first get rid of the old state */	800	/* first get rid of the old state */
755	save_perl (prev);	801	save_perl (aTHX_ prev);
756	/* setup coroutine call */	802	/* setup coroutine call */
757	setup_coro (next);	803	setup_coro (aTHX_ next);
758	/* need a new stack */	804	/* need a new stack */
759	assert (!next->cctx);	805	assert (!next->cctx);
760	}	806	}
761	else	807	else
762	{	808	{
763	/* coroutine already started */	809	/* coroutine already started */
764	save_perl (prev);	810	save_perl (aTHX_ prev);
765	load_perl (next);	811	load_perl (aTHX_ next);
766	}	812	}
767		813
768	prev__cctx = prev->cctx;	814	prev__cctx = prev->cctx;
769		815
770	/* possibly "free" the cctx */	816	/* possibly "free" the cctx */
…		…
779	prev__cctx->inuse = 0;	825	prev__cctx->inuse = 0;
780	}	826	}
781		827
782	if (!next->cctx)	828	if (!next->cctx)
783	{	829	{
784	next->cctx = cctx_get ();	830	next->cctx = cctx_get (aTHX);
785	assert (!next->cctx->inuse);	831	assert (!next->cctx->inuse);
786	next->cctx->inuse = 1;	832	next->cctx->inuse = 1;
787	}	833	}
788		834
789	if (prev__cctx != next->cctx)	835	if (prev__cctx != next->cctx)
…		…
791	prev__cctx->top_env = PL_top_env;	837	prev__cctx->top_env = PL_top_env;
792	PL_top_env = next->cctx->top_env;	838	PL_top_env = next->cctx->top_env;
793	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	839	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
794	}	840	}
795		841
796	free_coro_mortal ();	842	free_coro_mortal (aTHX);
797	UNLOCK;	843	UNLOCK;
798	}	844	}
799	}	845	}
800		846
801	struct transfer_args	847	struct transfer_args
802	{	848	{
803	struct coro prev, next;	849	struct coro prev, next;
804	};	850	};
805		851
806	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	852	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		853
		854	/ high level stuff ******************************************************/
807		855
808	static int	856	static int
809	coro_state_destroy (struct coro *coro)	857	coro_state_destroy (pTHX_ struct coro *coro)
810	{	858	{
811	if (coro->flags & CF_DESTROYED)	859	if (coro->flags & CF_DESTROYED)
812	return 0;	860	return 0;
813		861
814	coro->flags \|= CF_DESTROYED;	862	coro->flags \|= CF_DESTROYED;
		863
		864	if (coro->flags & CF_READY)
		865	{
		866	/* reduce nready, as destroying a ready coro effectively unreadies it */
		867	/* alternative: look through all ready queues and remove the coro */
		868	LOCK;
		869	--coro_nready;
		870	UNLOCK;
		871	}
		872	else
		873	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
815		874
816	if (coro->mainstack && coro->mainstack != main_mainstack)	875	if (coro->mainstack && coro->mainstack != main_mainstack)
817	{	876	{
		877	struct coro temp;
		878
818	assert (!(coro->flags & CF_RUNNING));	879	assert (!(coro->flags & CF_RUNNING));
819		880
820	struct coro temp;
821	Zero (&temp, 1, struct coro);	881	Zero (&temp, 1, struct coro);
822	temp.save = CORO_SAVE_ALL;	882	temp.save = CORO_SAVE_DEF;
823		883
824	if (coro->flags & CF_RUNNING)	884	if (coro->flags & CF_RUNNING)
825	croak ("FATAL: tried to destroy currently running coroutine");	885	croak ("FATAL: tried to destroy currently running coroutine");
826		886
827	save_perl (&temp);	887	save_perl (aTHX_ &temp);
828	load_perl (coro);	888	load_perl (aTHX_ coro);
829		889
830	coro_destroy_stacks ();	890	coro_destroy_stacks (aTHX);
831		891
832	load_perl (&temp); /* this will get rid of defsv etc.. */	892	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
833		893
834	coro->mainstack = 0;	894	coro->mainstack = 0;
835	}	895	}
836		896
837	cctx_destroy (coro->cctx);	897	cctx_destroy (coro->cctx);
…		…
846	struct coro coro = (struct coro )mg->mg_ptr;	906	struct coro coro = (struct coro )mg->mg_ptr;
847	mg->mg_ptr = 0;	907	mg->mg_ptr = 0;
848		908
849	if (--coro->refcnt < 0)	909	if (--coro->refcnt < 0)
850	{	910	{
851	coro_state_destroy (coro);	911	coro_state_destroy (aTHX_ coro);
852	Safefree (coro);	912	Safefree (coro);
853	}	913	}
854		914
855	return 0;	915	return 0;
856	}	916	}
…		…
875	# define MGf_DUP 0	935	# define MGf_DUP 0
876	#endif	936	#endif
877	};	937	};
878		938
879	static struct coro *	939	static struct coro *
880	SvSTATE (SV *coro)	940	SvSTATE_ (pTHX_ SV *coro)
881	{	941	{
882	HV *stash;	942	HV *stash;
883	MAGIC *mg;	943	MAGIC *mg;
884		944
885	if (SvROK (coro))	945	if (SvROK (coro))
…		…
891	/* very slow, but rare, check */	951	/* very slow, but rare, check */
892	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	952	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
893	croak ("Coro::State object required");	953	croak ("Coro::State object required");
894	}	954	}
895		955
896	mg = SvMAGIC (coro);	956	mg = CORO_MAGIC (coro);
897	assert (mg->mg_type == PERL_MAGIC_ext);
898	return (struct coro *)mg->mg_ptr;	957	return (struct coro *)mg->mg_ptr;
899	}	958	}
900		959
		960	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		961
901	static void	962	static void
902	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	963	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
903	{	964	{
904	ta->prev = SvSTATE (prev_sv);	965	ta->prev = SvSTATE (prev_sv);
905	ta->next = SvSTATE (next_sv);	966	ta->next = SvSTATE (next_sv);
906	}	967	}
907		968
908	static void	969	static void
909	api_transfer (SV prev_sv, SV next_sv)	970	api_transfer (SV prev_sv, SV next_sv)
910	{	971	{
		972	dTHX;
911	struct transfer_args ta;	973	struct transfer_args ta;
912		974
913	prepare_transfer (&ta, prev_sv, next_sv);	975	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
914	TRANSFER (ta);	976	TRANSFER (ta);
915	}	977	}
916		978
917	static int	979	static int
918	api_save (SV *coro_sv, int new_save)	980	api_save (SV *coro_sv, int new_save)
919	{	981	{
		982	dTHX;
920	struct coro *coro = SvSTATE (coro_sv);	983	struct coro *coro = SvSTATE (coro_sv);
921	int old_save = coro->save;	984	int old_save = coro->save;
922		985
923	if (new_save >= 0)	986	if (new_save >= 0)
924	coro->save = new_save;	987	coro->save = new_save;
…		…
926	return old_save;	989	return old_save;
927	}	990	}
928		991
929	/ Coro ******************************************************************/	992	/ Coro ******************************************************************/
930		993
931	#define PRIO_MAX 3
932	#define PRIO_HIGH 1
933	#define PRIO_NORMAL 0
934	#define PRIO_LOW -1
935	#define PRIO_IDLE -3
936	#define PRIO_MIN -4
937
938	/* for Coro.pm */
939	static SV *coro_current;
940	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
941	static int coro_nready;
942
943	static void	994	static void
944	coro_enq (SV *coro_sv)	995	coro_enq (pTHX_ SV *coro_sv)
945	{	996	{
946	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	997	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
947	coro_nready++;
948	}	998	}
949		999
950	static SV *	1000	static SV *
951	coro_deq (int min_prio)	1001	coro_deq (pTHX_ int min_prio)
952	{	1002	{
953	int prio = PRIO_MAX - PRIO_MIN;	1003	int prio = PRIO_MAX - PRIO_MIN;
954		1004
955	min_prio -= PRIO_MIN;	1005	min_prio -= PRIO_MIN;
956	if (min_prio < 0)	1006	if (min_prio < 0)
957	min_prio = 0;	1007	min_prio = 0;
958		1008
959	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1009	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
960	if (AvFILLp (coro_ready [prio]) >= 0)	1010	if (AvFILLp (coro_ready [prio]) >= 0)
961	{
962	coro_nready--;
963	return av_shift (coro_ready [prio]);	1011	return av_shift (coro_ready [prio]);
964	}
965		1012
966	return 0;	1013	return 0;
967	}	1014	}
968		1015
969	static int	1016	static int
970	api_ready (SV *coro_sv)	1017	api_ready (SV *coro_sv)
971	{	1018	{
		1019	dTHX;
972	struct coro *coro;	1020	struct coro *coro;
973		1021
974	if (SvROK (coro_sv))	1022	if (SvROK (coro_sv))
975	coro_sv = SvRV (coro_sv);	1023	coro_sv = SvRV (coro_sv);
976		1024
…		…
980	return 0;	1028	return 0;
981		1029
982	coro->flags \|= CF_READY;	1030	coro->flags \|= CF_READY;
983		1031
984	LOCK;	1032	LOCK;
985	coro_enq (SvREFCNT_inc (coro_sv));	1033	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
		1034	++coro_nready;
986	UNLOCK;	1035	UNLOCK;
987		1036
988	return 1;	1037	return 1;
989	}	1038	}
990		1039
991	static int	1040	static int
992	api_is_ready (SV *coro_sv)	1041	api_is_ready (SV *coro_sv)
993	{	1042	{
		1043	dTHX;
994	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1044	return !!(SvSTATE (coro_sv)->flags & CF_READY);
995	}	1045	}
996		1046
997	static void	1047	static void
998	prepare_schedule (struct transfer_args *ta)	1048	prepare_schedule (pTHX_ struct transfer_args *ta)
999	{	1049	{
1000	SV prev_sv, next_sv;	1050	SV prev_sv, next_sv;
1001		1051
1002	for (;;)	1052	for (;;)
1003	{	1053	{
1004	LOCK;	1054	LOCK;
1005	next_sv = coro_deq (PRIO_MIN);	1055	next_sv = coro_deq (aTHX_ PRIO_MIN);
1006	UNLOCK;
1007		1056
1008	/* nothing to schedule: call the idle handler */	1057	/* nothing to schedule: call the idle handler */
1009	if (!next_sv)	1058	if (!next_sv)
1010	{	1059	{
1011	dSP;	1060	dSP;
		1061	UNLOCK;
1012		1062
1013	ENTER;	1063	ENTER;
1014	SAVETMPS;	1064	SAVETMPS;
1015		1065
1016	PUSHMARK (SP);	1066	PUSHMARK (SP);
…		…
1025	ta->next = SvSTATE (next_sv);	1075	ta->next = SvSTATE (next_sv);
1026		1076
1027	/* cannot transfer to destroyed coros, skip and look for next */	1077	/* cannot transfer to destroyed coros, skip and look for next */
1028	if (ta->next->flags & CF_DESTROYED)	1078	if (ta->next->flags & CF_DESTROYED)
1029	{	1079	{
		1080	UNLOCK;
1030	SvREFCNT_dec (next_sv);	1081	SvREFCNT_dec (next_sv);
		1082	/* coro_nready is already taken care of by destroy */
1031	continue;	1083	continue;
1032	}	1084	}
1033		1085
		1086	--coro_nready;
		1087	UNLOCK;
1034	break;	1088	break;
1035	}	1089	}
1036		1090
1037	/* free this only after the transfer */	1091	/* free this only after the transfer */
1038	prev_sv = SvRV (coro_current);	1092	prev_sv = SvRV (coro_current);
…		…
1041		1095
1042	assert (ta->next->flags & CF_READY);	1096	assert (ta->next->flags & CF_READY);
1043	ta->next->flags &= ~CF_READY;	1097	ta->next->flags &= ~CF_READY;
1044		1098
1045	LOCK;	1099	LOCK;
1046	free_coro_mortal ();	1100	free_coro_mortal (aTHX);
1047	coro_mortal = prev_sv;	1101	coro_mortal = prev_sv;
1048	UNLOCK;	1102	UNLOCK;
1049	}	1103	}
1050		1104
1051	static void	1105	static void
1052	prepare_cede (struct transfer_args *ta)	1106	prepare_cede (pTHX_ struct transfer_args *ta)
1053	{	1107	{
1054	api_ready (coro_current);	1108	api_ready (coro_current);
1055	prepare_schedule (ta);	1109	prepare_schedule (aTHX_ ta);
1056	}	1110	}
1057		1111
1058	static int	1112	static int
1059	prepare_cede_notself (struct transfer_args *ta)	1113	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1060	{	1114	{
1061	if (coro_nready)	1115	if (coro_nready)
1062	{	1116	{
1063	SV *prev = SvRV (coro_current);	1117	SV *prev = SvRV (coro_current);
1064	prepare_schedule (ta);	1118	prepare_schedule (aTHX_ ta);
1065	api_ready (prev);	1119	api_ready (prev);
1066	return 1;	1120	return 1;
1067	}	1121	}
1068	else	1122	else
1069	return 0;	1123	return 0;
1070	}	1124	}
1071		1125
1072	static void	1126	static void
1073	api_schedule (void)	1127	api_schedule (void)
1074	{	1128	{
		1129	dTHX;
1075	struct transfer_args ta;	1130	struct transfer_args ta;
1076		1131
1077	prepare_schedule (&ta);	1132	prepare_schedule (aTHX_ &ta);
1078	TRANSFER (ta);	1133	TRANSFER (ta);
1079	}	1134	}
1080		1135
1081	static int	1136	static int
1082	api_cede (void)	1137	api_cede (void)
1083	{	1138	{
		1139	dTHX;
1084	struct transfer_args ta;	1140	struct transfer_args ta;
1085		1141
1086	prepare_cede (&ta);	1142	prepare_cede (aTHX_ &ta);
1087		1143
1088	if (ta.prev != ta.next)	1144	if (ta.prev != ta.next)
1089	{	1145	{
1090	TRANSFER (ta);	1146	TRANSFER (ta);
1091	return 1;	1147	return 1;
…		…
1095	}	1151	}
1096		1152
1097	static int	1153	static int
1098	api_cede_notself (void)	1154	api_cede_notself (void)
1099	{	1155	{
		1156	dTHX;
1100	struct transfer_args ta;	1157	struct transfer_args ta;
1101		1158
1102	if (prepare_cede_notself (&ta))	1159	if (prepare_cede_notself (aTHX_ &ta))
1103	{	1160	{
1104	TRANSFER (ta);	1161	TRANSFER (ta);
1105	return 1;	1162	return 1;
1106	}	1163	}
1107	else	1164	else
…		…
1123		1180
1124	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1181	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1125	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1182	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1126	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1183	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1127	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1184	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1185	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1186	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1128	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1187	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1129		1188
1130	main_mainstack = PL_mainstack;	1189	main_mainstack = PL_mainstack;
		1190	main_top_env = PL_top_env;
		1191
		1192	while (main_top_env->je_prev)
		1193	main_top_env = main_top_env->je_prev;
1131		1194
1132	coroapi.ver = CORO_API_VERSION;	1195	coroapi.ver = CORO_API_VERSION;
1133	coroapi.transfer = api_transfer;	1196	coroapi.transfer = api_transfer;
1134		1197
1135	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1198	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1143	HV *hv;	1206	HV *hv;
1144	int i;	1207	int i;
1145		1208
1146	Newz (0, coro, 1, struct coro);	1209	Newz (0, coro, 1, struct coro);
1147	coro->args = newAV ();	1210	coro->args = newAV ();
1148	coro->save = CORO_SAVE_ALL;	1211	coro->save = CORO_SAVE_DEF;
1149	coro->flags = CF_NEW;	1212	coro->flags = CF_NEW;
1150		1213
1151	hv = newHV ();	1214	hv = newHV ();
1152	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1215	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1153	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1216	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
…		…
1160		1223
1161	int	1224	int
1162	save (SV *coro, int new_save = -1)	1225	save (SV *coro, int new_save = -1)
1163	CODE:	1226	CODE:
1164	RETVAL = api_save (coro, new_save);	1227	RETVAL = api_save (coro, new_save);
		1228	OUTPUT:
		1229	RETVAL
		1230
		1231	int
		1232	save_also (SV *coro_sv, int save_also)
		1233	CODE:
		1234	{
		1235	struct coro *coro = SvSTATE (coro_sv);
		1236	RETVAL = coro->save;
		1237	coro->save \|= save_also;
		1238	}
1165	OUTPUT:	1239	OUTPUT:
1166	RETVAL	1240	RETVAL
1167		1241
1168	void	1242	void
1169	_set_stacklevel (...)	1243	_set_stacklevel (...)
…		…
1185		1259
1186	case 1:	1260	case 1:
1187	if (items != 2)	1261	if (items != 2)
1188	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1262	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1189		1263
1190	prepare_transfer (&ta, ST (0), ST (1));	1264	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1191	break;	1265	break;
1192		1266
1193	case 2:	1267	case 2:
1194	prepare_schedule (&ta);	1268	prepare_schedule (aTHX_ &ta);
1195	break;	1269	break;
1196		1270
1197	case 3:	1271	case 3:
1198	prepare_cede (&ta);	1272	prepare_cede (aTHX_ &ta);
1199	break;	1273	break;
1200		1274
1201	case 4:	1275	case 4:
1202	if (!prepare_cede_notself (&ta))	1276	if (!prepare_cede_notself (aTHX_ &ta))
1203	XSRETURN_EMPTY;	1277	XSRETURN_EMPTY;
1204		1278
1205	break;	1279	break;
1206	}	1280	}
1207		1281
…		…
1213	}	1287	}
1214		1288
1215	bool	1289	bool
1216	_destroy (SV *coro_sv)	1290	_destroy (SV *coro_sv)
1217	CODE:	1291	CODE:
1218	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1292	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1219	OUTPUT:	1293	OUTPUT:
1220	RETVAL	1294	RETVAL
1221		1295
1222	void	1296	void
1223	_exit (code)	1297	_exit (code)
1224	int code	1298	int code
1225	PROTOTYPE: $	1299	PROTOTYPE: $
1226	CODE:	1300	CODE:
1227	_exit (code);	1301	_exit (code);
		1302
		1303	int
		1304	cctx_stacksize (int new_stacksize = 0)
		1305	CODE:
		1306	RETVAL = coro_stacksize;
		1307	if (new_stacksize)
		1308	coro_stacksize = new_stacksize;
		1309	OUTPUT:
		1310	RETVAL
1228		1311
1229	int	1312	int
1230	cctx_count ()	1313	cctx_count ()
1231	CODE:	1314	CODE:
1232	RETVAL = cctx_count;	1315	RETVAL = cctx_count;

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Comparing Coro/Coro/State.xs (file contents): Revision 1.136 by root, Fri Jan 12 01:05:55 2007 UTC vs. Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.136 by root, Fri Jan 12 01:05:55 2007 UTC vs.
Revision 1.149 by root, Sat Apr 14 15:06:05 2007 UTC