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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.137 by root, Sun Jan 14 20:47:53 2007 UTC vs.
Revision 1.151 by root, Wed Sep 19 21:39:15 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"
182	#undef VAR	189	#undef VAR
183		190
184	/* coro process data */	191	/* coro process data */
185	int prio;	192	int prio;
		193
		194	/* linked list */
		195	struct coro next, prev;
		196	HV hv; / the perl hash associated with this coro, if any */
186	};	197	};
187		198
188	typedef struct coro *Coro__State;	199	typedef struct coro *Coro__State;
189	typedef struct coro *Coro__State_or_hashref;	200	typedef struct coro *Coro__State_or_hashref;
190		201
…		…
199		210
200	/* for Coro.pm */	211	/* for Coro.pm */
201	static SV *coro_current;	212	static SV *coro_current;
202	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	213	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
203	static int coro_nready;	214	static int coro_nready;
		215	static struct coro *first;
204		216
205	/ lowlevel stuff ********************************************************/	217	/ lowlevel stuff ********************************************************/
206		218
207	static AV *	219	static AV *
208	coro_clone_padlist (CV *cv)	220	coro_clone_padlist (pTHX_ CV *cv)
209	{	221	{
210	AV *padlist = CvPADLIST (cv);	222	AV *padlist = CvPADLIST (cv);
211	AV newpadlist, newpad;	223	AV newpadlist, newpad;
212		224
213	newpadlist = newAV ();	225	newpadlist = newAV ();
…		…
225		237
226	return newpadlist;	238	return newpadlist;
227	}	239	}
228		240
229	static void	241	static void
230	free_padlist (AV *padlist)	242	free_padlist (pTHX_ AV *padlist)
231	{	243	{
232	/* may be during global destruction */	244	/* may be during global destruction */
233	if (SvREFCNT (padlist))	245	if (SvREFCNT (padlist))
234	{	246	{
235	I32 i = AvFILLp (padlist);	247	I32 i = AvFILLp (padlist);
…		…
256	AV *padlist;	268	AV *padlist;
257	AV av = (AV )mg->mg_obj;	269	AV av = (AV )mg->mg_obj;
258		270
259	/* casting is fun. */	271	/* casting is fun. */
260	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	272	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
261	free_padlist (padlist);	273	free_padlist (aTHX_ padlist);
262		274
263	SvREFCNT_dec (av);	275	SvREFCNT_dec (av);
264		276
265	return 0;	277	return 0;
266	}	278	}
…		…
276	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
277	: 0	289	: 0
278		290
279	/* the next two functions merely cache the padlists */	291	/* the next two functions merely cache the padlists */
280	static void	292	static void
281	get_padlist (CV *cv)	293	get_padlist (pTHX_ CV *cv)
282	{	294	{
283	MAGIC *mg = CORO_MAGIC (cv);	295	MAGIC *mg = CORO_MAGIC (cv);
284	AV *av;	296	AV *av;
285		297
286	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	298	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
287	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	299	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
288	else	300	else
289	{	301	{
290	#if PREFER_PERL_FUNCTIONS	302	#if CORO_PREFER_PERL_FUNCTIONS
291	/* this is probably cleaner, but also slower? */	303	/* this is probably cleaner, but also slower? */
292	CV *cp = Perl_cv_clone (cv);	304	CV *cp = Perl_cv_clone (cv);
293	CvPADLIST (cv) = CvPADLIST (cp);	305	CvPADLIST (cv) = CvPADLIST (cp);
294	CvPADLIST (cp) = 0;	306	CvPADLIST (cp) = 0;
295	SvREFCNT_dec (cp);	307	SvREFCNT_dec (cp);
296	#else	308	#else
297	CvPADLIST (cv) = coro_clone_padlist (cv);	309	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
298	#endif	310	#endif
299	}	311	}
300	}	312	}
301		313
302	static void	314	static void
303	put_padlist (CV *cv)	315	put_padlist (pTHX_ CV *cv)
304	{	316	{
305	MAGIC *mg = CORO_MAGIC (cv);	317	MAGIC *mg = CORO_MAGIC (cv);
306	AV *av;	318	AV *av;
307		319
308	if (!mg)	320	if (!mg)
…		…
327	#define SE } while (0)	339	#define SE } while (0)
328		340
329	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	341	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
330		342
331	static void	343	static void
332	load_perl (Coro__State c)	344	load_perl (pTHX_ Coro__State c)
333	{	345	{
334	#define VAR(name,type) PL_ ## name = c->name;	346	#define VAR(name,type) PL_ ## name = c->name;
335	# include "state.h"	347	# include "state.h"
336	#undef VAR	348	#undef VAR
337		349
338	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
339	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
340	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	352	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		353	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		354
341	if (c->irssv)	355	if (c->irssv)
342	{	356	{
343	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	357	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		358	{
344	SvREFCNT_dec (c->irssv);	359	SvREFCNT_dec (c->irssv);
		360	c->irssv = 0;
		361	}
345	else	362	else
346	{	363	{
347	REPLACE_SV (PL_rs, c->irssv);	364	REPLACE_SV (PL_rs, c->irssv);
348	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	365	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
349	sv_setsv (c->irssv_sv, PL_rs);	366	sv_setsv (c->irssv_sv, PL_rs);
…		…
355	CV *cv;	372	CV *cv;
356		373
357	/* now do the ugly restore mess */	374	/* now do the ugly restore mess */
358	while ((cv = (CV *)POPs))	375	while ((cv = (CV *)POPs))
359	{	376	{
360	put_padlist (cv); /* mark this padlist as available */	377	put_padlist (aTHX_ cv); /* mark this padlist as available */
361	CvDEPTH (cv) = PTR2IV (POPs);	378	CvDEPTH (cv) = PTR2IV (POPs);
362	CvPADLIST (cv) = (AV *)POPs;	379	CvPADLIST (cv) = (AV *)POPs;
363	}	380	}
364		381
365	PUTBACK;	382	PUTBACK;
366	}	383	}
367	}	384	}
368		385
369	static void	386	static void
370	save_perl (Coro__State c)	387	save_perl (pTHX_ Coro__State c)
371	{	388	{
372	{	389	{
373	dSP;	390	dSP;
374	I32 cxix = cxstack_ix;	391	I32 cxix = cxstack_ix;
375	PERL_CONTEXT *ccstk = cxstack;	392	PERL_CONTEXT *ccstk = cxstack;
…		…
387	{	404	{
388	while (cxix >= 0)	405	while (cxix >= 0)
389	{	406	{
390	PERL_CONTEXT *cx = &ccstk[cxix--];	407	PERL_CONTEXT *cx = &ccstk[cxix--];
391		408
392	if (CxTYPE (cx) == CXt_SUB)	409	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
393	{	410	{
394	CV *cv = cx->blk_sub.cv;	411	CV *cv = cx->blk_sub.cv;
395		412
396	if (CvDEPTH (cv))	413	if (CvDEPTH (cv))
397	{	414	{
…		…
399	PUSHs ((SV *)CvPADLIST (cv));	416	PUSHs ((SV *)CvPADLIST (cv));
400	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	417	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
401	PUSHs ((SV *)cv);	418	PUSHs ((SV *)cv);
402		419
403	CvDEPTH (cv) = 0;	420	CvDEPTH (cv) = 0;
404	get_padlist (cv);	421	get_padlist (aTHX_ cv);
405	}	422	}
406	}	423	}
407	}	424	}
408		425
409	if (top_si->si_type == PERLSI_MAIN)	426	if (top_si->si_type == PERLSI_MAIN)
…		…
418	}	435	}
419		436
420	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	437	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
421	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
422	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	439	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		440	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
423	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	441	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
424		442
425	#define VAR(name,type)c->name = PL_ ## name;	443	#define VAR(name,type)c->name = PL_ ## name;
426	# include "state.h"	444	# include "state.h"
427	#undef VAR	445	#undef VAR
…		…
431	* allocate various perl stacks. This is an exact copy	449	* allocate various perl stacks. This is an exact copy
432	* of perl.c:init_stacks, except that it uses less memory	450	* of perl.c:init_stacks, except that it uses less memory
433	* on the (sometimes correct) assumption that coroutines do	451	* on the (sometimes correct) assumption that coroutines do
434	* not usually need a lot of stackspace.	452	* not usually need a lot of stackspace.
435	*/	453	*/
436	#if PREFER_PERL_FUNCTIONS	454	#if CORO_PREFER_PERL_FUNCTIONS
437	# define coro_init_stacks init_stacks	455	# define coro_init_stacks init_stacks
438	#else	456	#else
439	static void	457	static void
440	coro_init_stacks ()	458	coro_init_stacks (pTHX)
441	{	459	{
442	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	460	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));
443	PL_curstackinfo->si_type = PERLSI_MAIN;	461	PL_curstackinfo->si_type = PERLSI_MAIN;
444	PL_curstack = PL_curstackinfo->si_stack;	462	PL_curstack = PL_curstackinfo->si_stack;
445	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	463	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
…		…
479		497
480	/*	498	/*
481	* destroy the stacks, the callchain etc...	499	* destroy the stacks, the callchain etc...
482	*/	500	*/
483	static void	501	static void
484	coro_destroy_stacks ()	502	coro_destroy_stacks (pTHX)
485	{	503	{
486	if (!IN_DESTRUCT)	504	if (!IN_DESTRUCT)
487	{	505	{
488	/* restore all saved variables and stuff */	506	/* restore all saved variables and stuff */
489	LEAVE_SCOPE (0);	507	LEAVE_SCOPE (0);
…		…
525	}	543	}
526		544
527	/ coroutine stack handling **********************************************/	545	/ coroutine stack handling **********************************************/
528		546
529	static void	547	static void
530	setup_coro (struct coro *coro)	548	setup_coro (pTHX_ struct coro *coro)
531	{	549	{
532	/*	550	/*
533	* emulate part of the perl startup here.	551	* emulate part of the perl startup here.
534	*/	552	*/
535
536	coro_init_stacks ();	553	coro_init_stacks (aTHX);
537		554
538	PL_curcop = &PL_compiling;	555	PL_curcop = &PL_compiling;
539	PL_in_eval = EVAL_NULL;	556	PL_in_eval = EVAL_NULL;
		557	PL_comppad = 0;
540	PL_curpm = 0;	558	PL_curpm = 0;
541	PL_localizing = 0;	559	PL_localizing = 0;
542	PL_dirty = 0;	560	PL_dirty = 0;
543	PL_restartop = 0;	561	PL_restartop = 0;
544		562
…		…
552	Zero (&myop, 1, LOGOP);	570	Zero (&myop, 1, LOGOP);
553	myop.op_next = Nullop;	571	myop.op_next = Nullop;
554	myop.op_flags = OPf_WANT_VOID;	572	myop.op_flags = OPf_WANT_VOID;
555		573
556	PUSHMARK (SP);	574	PUSHMARK (SP);
557	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	575	XPUSHs (av_shift (GvAV (PL_defgv)));
558	PUTBACK;	576	PUTBACK;
559	PL_op = (OP *)&myop;	577	PL_op = (OP *)&myop;
560	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	578	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
561	SPAGAIN;	579	SPAGAIN;
562	}	580	}
563		581
564	ENTER; /* necessary e.g. for dounwind */	582	ENTER; /* necessary e.g. for dounwind */
565	}	583	}
566		584
567	static void	585	static void
568	free_coro_mortal ()	586	free_coro_mortal (pTHX)
569	{	587	{
570	if (coro_mortal)	588	if (coro_mortal)
571	{	589	{
572	SvREFCNT_dec (coro_mortal);	590	SvREFCNT_dec (coro_mortal);
573	coro_mortal = 0;	591	coro_mortal = 0;
574	}	592	}
575	}	593	}
576		594
577	/* inject a fake call to Coro::State::_cctx_init into the execution */	595	/* inject a fake call to Coro::State::_cctx_init into the execution */
		596	/* _cctx_init should be careful, as it could be called at almost any time */
		597	/* during execution of a perl program */
578	static void NOINLINE	598	static void NOINLINE
579	prepare_cctx (coro_cctx *cctx)	599	prepare_cctx (pTHX_ coro_cctx *cctx)
580	{	600	{
581	dSP;	601	dSP;
582	LOGOP myop;	602	LOGOP myop;
583		603
584	Zero (&myop, 1, LOGOP);	604	Zero (&myop, 1, LOGOP);
…		…
593	PL_op = (OP *)&myop;	613	PL_op = (OP *)&myop;
594	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	614	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
595	SPAGAIN;	615	SPAGAIN;
596	}	616	}
597		617
		618	/*
		619	* this is a _very_ stripped down perl interpreter ;)
		620	*/
598	static void	621	static void
599	coro_run (void *arg)	622	coro_run (void *arg)
600	{	623	{
		624	dTHX;
		625
601	/* coro_run is the alternative tail of transfer(), so unlock here. */	626	/* coro_run is the alternative tail of transfer(), so unlock here. */
602	UNLOCK;	627	UNLOCK;
603		628
604	/*
605	* this is a _very_ stripped down perl interpreter ;)
606	*/
607	PL_top_env = &PL_start_env;	629	PL_top_env = &PL_start_env;
608		630
609	/* inject call to cctx_init */	631	/* inject a fake subroutine call to cctx_init */
610	prepare_cctx ((coro_cctx *)arg);	632	prepare_cctx (aTHX_ (coro_cctx *)arg);
611		633
612	/* somebody will hit me for both perl_run and PL_restartop */	634	/* somebody or something will hit me for both perl_run and PL_restartop */
613	PL_restartop = PL_op;	635	PL_restartop = PL_op;
614	perl_run (PL_curinterp);	636	perl_run (PL_curinterp);
615		637
616	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	638	/*
617	abort ();	639	* If perl-run returns we assume exit() was being called or the coro
		640	* fell off the end, which seems to be the only valid (non-bug)
		641	* reason for perl_run to return. We try to exit by jumping to the
		642	* bootstrap-time "top" top_env, as we cannot restore the "main"
		643	* coroutine as Coro has no such concept
		644	*/
		645	PL_top_env = main_top_env;
		646	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
618	}	647	}
619		648
620	static coro_cctx *	649	static coro_cctx *
621	cctx_new ()	650	cctx_new ()
622	{	651	{
623	coro_cctx *cctx;	652	coro_cctx *cctx;
		653	void *stack_start;
		654	size_t stack_size;
624		655
625	++cctx_count;	656	++cctx_count;
626		657
627	Newz (0, cctx, 1, coro_cctx);	658	Newz (0, cctx, 1, coro_cctx);
628		659
629	#if HAVE_MMAP	660	#if HAVE_MMAP
630		661
631	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	662	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
632	/* mmap supposedly does allocate-on-write for us */	663	/* mmap supposedly does allocate-on-write for us */
633	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	664	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
634		665
635	if (cctx->sptr == (void *)-1)	666	if (cctx->sptr != (void *)-1)
636	{
637	perror ("FATAL: unable to mmap stack for coroutine");
638	_exit (EXIT_FAILURE);
639	}	667	{
640
641	# if STACKGUARD	668	# if CORO_STACKGUARD
642	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	669	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
643	# endif	670	# endif
		671	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
		672	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
		673	cctx->mapped = 1;
		674	}
		675	else
		676	#endif
		677	{
		678	cctx->ssize = coro_stacksize * (long)sizeof (long);
		679	New (0, cctx->sptr, coro_stacksize, long);
644		680
645	#else
646
647	cctx->ssize = STACKSIZE * (long)sizeof (long);
648	New (0, cctx->sptr, STACKSIZE, long);
649
650	if (!cctx->sptr)	681	if (!cctx->sptr)
651	{	682	{
652	perror ("FATAL: unable to malloc stack for coroutine");	683	perror ("FATAL: unable to allocate stack for coroutine");
653	_exit (EXIT_FAILURE);	684	_exit (EXIT_FAILURE);
654	}	685	}
655		686
656	#endif	687	stack_start = cctx->sptr;
		688	stack_size = cctx->ssize;
		689	}
657		690
658	#if USE_VALGRIND	691	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
659	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
660	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
661	cctx->ssize + (char *)cctx->sptr
662	);
663	#endif
664
665	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);	692	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
666		693
667	return cctx;	694	return cctx;
668	}	695	}
669		696
670	static void	697	static void
…		…
673	if (!cctx)	700	if (!cctx)
674	return;	701	return;
675		702
676	--cctx_count;	703	--cctx_count;
677		704
678	#if USE_VALGRIND	705	#if CORO_USE_VALGRIND
679	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	706	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
680	#endif	707	#endif
681		708
682	#if HAVE_MMAP	709	#if HAVE_MMAP
		710	if (cctx->mapped)
683	munmap (cctx->sptr, cctx->ssize);	711	munmap (cctx->sptr, cctx->ssize);
684	#else	712	else
		713	#endif
685	Safefree (cctx->sptr);	714	Safefree (cctx->sptr);
686	#endif
687		715
688	Safefree (cctx);	716	Safefree (cctx);
689	}	717	}
690		718
691	static coro_cctx *	719	static coro_cctx *
692	cctx_get ()	720	cctx_get (pTHX)
693	{	721	{
694	coro_cctx *cctx;
695
696	if (cctx_first)	722	while (cctx_first)
697	{	723	{
698	cctx = cctx_first;	724	coro_cctx *cctx = cctx_first;
699	cctx_first = cctx->next;	725	cctx_first = cctx->next;
700	--cctx_idle;	726	--cctx_idle;
		727
		728	if (cctx->ssize >= coro_stacksize)
		729	return cctx;
		730
		731	cctx_destroy (cctx);
701	}	732	}
702	else	733
703	{
704	cctx = cctx_new ();
705	PL_op = PL_op->op_next;	734	PL_op = PL_op->op_next;
706	}
707
708	return cctx;	735	return cctx_new ();
709	}	736	}
710		737
711	static void	738	static void
712	cctx_put (coro_cctx *cctx)	739	cctx_put (coro_cctx *cctx)
713	{	740	{
…		…
729		756
730	/ coroutine switching ***************************************************/	757	/ coroutine switching ***************************************************/
731		758
732	/* never call directly, always through the coro_state_transfer global variable */	759	/* never call directly, always through the coro_state_transfer global variable */
733	static void NOINLINE	760	static void NOINLINE
734	transfer (struct coro prev, struct coro next)	761	transfer (pTHX_ struct coro prev, struct coro next)
735	{	762	{
736	dSTACKLEVEL;	763	dSTACKLEVEL;
737		764
738	/* sometimes transfer is only called to set idle_sp */	765	/* sometimes transfer is only called to set idle_sp */
739	if (!next)	766	if (!next)
…		…
772	if (next->flags & CF_NEW)	799	if (next->flags & CF_NEW)
773	{	800	{
774	/* need to start coroutine */	801	/* need to start coroutine */
775	next->flags &= ~CF_NEW;	802	next->flags &= ~CF_NEW;
776	/* first get rid of the old state */	803	/* first get rid of the old state */
777	save_perl (prev);	804	save_perl (aTHX_ prev);
778	/* setup coroutine call */	805	/* setup coroutine call */
779	setup_coro (next);	806	setup_coro (aTHX_ next);
780	/* need a new stack */	807	/* need a new stack */
781	assert (!next->cctx);	808	assert (!next->cctx);
782	}	809	}
783	else	810	else
784	{	811	{
785	/* coroutine already started */	812	/* coroutine already started */
786	save_perl (prev);	813	save_perl (aTHX_ prev);
787	load_perl (next);	814	load_perl (aTHX_ next);
788	}	815	}
789		816
790	prev__cctx = prev->cctx;	817	prev__cctx = prev->cctx;
791		818
792	/* possibly "free" the cctx */	819	/* possibly "free" the cctx */
…		…
801	prev__cctx->inuse = 0;	828	prev__cctx->inuse = 0;
802	}	829	}
803		830
804	if (!next->cctx)	831	if (!next->cctx)
805	{	832	{
806	next->cctx = cctx_get ();	833	next->cctx = cctx_get (aTHX);
807	assert (!next->cctx->inuse);	834	assert (!next->cctx->inuse);
808	next->cctx->inuse = 1;	835	next->cctx->inuse = 1;
809	}	836	}
810		837
811	if (prev__cctx != next->cctx)	838	if (prev__cctx != next->cctx)
…		…
813	prev__cctx->top_env = PL_top_env;	840	prev__cctx->top_env = PL_top_env;
814	PL_top_env = next->cctx->top_env;	841	PL_top_env = next->cctx->top_env;
815	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	842	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
816	}	843	}
817		844
818	free_coro_mortal ();	845	free_coro_mortal (aTHX);
819	UNLOCK;	846	UNLOCK;
820	}	847	}
821	}	848	}
822		849
823	struct transfer_args	850	struct transfer_args
824	{	851	{
825	struct coro prev, next;	852	struct coro prev, next;
826	};	853	};
827		854
828	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	855	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
829		856
830	/ high level stuff ******************************************************/	857	/ high level stuff ******************************************************/
831		858
832	static int	859	static int
833	coro_state_destroy (struct coro *coro)	860	coro_state_destroy (pTHX_ struct coro *coro)
834	{	861	{
835	if (coro->flags & CF_DESTROYED)	862	if (coro->flags & CF_DESTROYED)
836	return 0;	863	return 0;
837		864
838	coro->flags \|= CF_DESTROYED;	865	coro->flags \|= CF_DESTROYED;
839		866
840	if (coro->flags & CF_READY)	867	if (coro->flags & CF_READY)
841	{	868	{
842	/* reduce nready, as destroying a ready coro effectively unreadies it */	869	/* reduce nready, as destroying a ready coro effectively unreadies it */
843	/* alternative: look through all ready queues and remove it */	870	/* alternative: look through all ready queues and remove the coro */
844	LOCK;	871	LOCK;
845	--coro_nready;	872	--coro_nready;
846	UNLOCK;	873	UNLOCK;
847	}	874	}
848	else	875	else
849	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	876	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
850		877
851	if (coro->mainstack && coro->mainstack != main_mainstack)	878	if (coro->mainstack && coro->mainstack != main_mainstack)
852	{	879	{
		880	struct coro temp;
		881
853	assert (!(coro->flags & CF_RUNNING));	882	assert (!(coro->flags & CF_RUNNING));
854		883
855	struct coro temp;
856	Zero (&temp, 1, struct coro);	884	Zero (&temp, 1, struct coro);
857	temp.save = CORO_SAVE_ALL;	885	temp.save = CORO_SAVE_ALL;
858		886
859	if (coro->flags & CF_RUNNING)	887	if (coro->flags & CF_RUNNING)
860	croak ("FATAL: tried to destroy currently running coroutine");	888	croak ("FATAL: tried to destroy currently running coroutine");
861		889
862	save_perl (&temp);	890	save_perl (aTHX_ &temp);
863	load_perl (coro);	891	load_perl (aTHX_ coro);
864		892
865	coro_destroy_stacks ();	893	coro_destroy_stacks (aTHX);
866		894
867	load_perl (&temp); /* this will get rid of defsv etc.. */	895	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
868		896
869	coro->mainstack = 0;	897	coro->mainstack = 0;
870	}	898	}
871		899
872	cctx_destroy (coro->cctx);	900	cctx_destroy (coro->cctx);
873	SvREFCNT_dec (coro->args);	901	SvREFCNT_dec (coro->args);
874		902
		903	if (coro->next) coro->next->prev = coro->prev;
		904	if (coro->prev) coro->prev->next = coro->next;
		905	if (coro == first) first = coro->next;
		906
875	return 1;	907	return 1;
876	}	908	}
877		909
878	static int	910	static int
879	coro_state_free (pTHX_ SV sv, MAGIC mg)	911	coro_state_free (pTHX_ SV sv, MAGIC mg)
880	{	912	{
881	struct coro coro = (struct coro )mg->mg_ptr;	913	struct coro coro = (struct coro )mg->mg_ptr;
882	mg->mg_ptr = 0;	914	mg->mg_ptr = 0;
883		915
		916	coro->hv = 0;
		917
884	if (--coro->refcnt < 0)	918	if (--coro->refcnt < 0)
885	{	919	{
886	coro_state_destroy (coro);	920	coro_state_destroy (aTHX_ coro);
887	Safefree (coro);	921	Safefree (coro);
888	}	922	}
889		923
890	return 0;	924	return 0;
891	}	925	}
…		…
910	# define MGf_DUP 0	944	# define MGf_DUP 0
911	#endif	945	#endif
912	};	946	};
913		947
914	static struct coro *	948	static struct coro *
915	SvSTATE (SV *coro)	949	SvSTATE_ (pTHX_ SV *coro)
916	{	950	{
917	HV *stash;	951	HV *stash;
918	MAGIC *mg;	952	MAGIC *mg;
919		953
920	if (SvROK (coro))	954	if (SvROK (coro))
…		…
926	/* very slow, but rare, check */	960	/* very slow, but rare, check */
927	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	961	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
928	croak ("Coro::State object required");	962	croak ("Coro::State object required");
929	}	963	}
930		964
931	mg = SvMAGIC (coro);	965	mg = CORO_MAGIC (coro);
932	assert (mg->mg_type == PERL_MAGIC_ext);
933	return (struct coro *)mg->mg_ptr;	966	return (struct coro *)mg->mg_ptr;
934	}	967	}
935		968
		969	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		970
936	static void	971	static void
937	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	972	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
938	{	973	{
939	ta->prev = SvSTATE (prev_sv);	974	ta->prev = SvSTATE (prev_sv);
940	ta->next = SvSTATE (next_sv);	975	ta->next = SvSTATE (next_sv);
941	}	976	}
942		977
943	static void	978	static void
944	api_transfer (SV prev_sv, SV next_sv)	979	api_transfer (SV prev_sv, SV next_sv)
945	{	980	{
		981	dTHX;
946	struct transfer_args ta;	982	struct transfer_args ta;
947		983
948	prepare_transfer (&ta, prev_sv, next_sv);	984	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
949	TRANSFER (ta);	985	TRANSFER (ta);
950	}	986	}
951		987
952	static int	988	static int
953	api_save (SV *coro_sv, int new_save)	989	api_save (SV *coro_sv, int new_save)
954	{	990	{
		991	dTHX;
955	struct coro *coro = SvSTATE (coro_sv);	992	struct coro *coro = SvSTATE (coro_sv);
956	int old_save = coro->save;	993	int old_save = coro->save;
957		994
958	if (new_save >= 0)	995	if (new_save >= 0)
959	coro->save = new_save;	996	coro->save = new_save;
…		…
962	}	999	}
963		1000
964	/ Coro ******************************************************************/	1001	/ Coro ******************************************************************/
965		1002
966	static void	1003	static void
967	coro_enq (SV *coro_sv)	1004	coro_enq (pTHX_ SV *coro_sv)
968	{	1005	{
969	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1006	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
970	}	1007	}
971		1008
972	static SV *	1009	static SV *
973	coro_deq (int min_prio)	1010	coro_deq (pTHX_ int min_prio)
974	{	1011	{
975	int prio = PRIO_MAX - PRIO_MIN;	1012	int prio = PRIO_MAX - PRIO_MIN;
976		1013
977	min_prio -= PRIO_MIN;	1014	min_prio -= PRIO_MIN;
978	if (min_prio < 0)	1015	if (min_prio < 0)
…		…
986	}	1023	}
987		1024
988	static int	1025	static int
989	api_ready (SV *coro_sv)	1026	api_ready (SV *coro_sv)
990	{	1027	{
		1028	dTHX;
991	struct coro *coro;	1029	struct coro *coro;
992		1030
993	if (SvROK (coro_sv))	1031	if (SvROK (coro_sv))
994	coro_sv = SvRV (coro_sv);	1032	coro_sv = SvRV (coro_sv);
995		1033
…		…
999	return 0;	1037	return 0;
1000		1038
1001	coro->flags \|= CF_READY;	1039	coro->flags \|= CF_READY;
1002		1040
1003	LOCK;	1041	LOCK;
1004	coro_enq (SvREFCNT_inc (coro_sv));	1042	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1005	++coro_nready;	1043	++coro_nready;
1006	UNLOCK;	1044	UNLOCK;
1007		1045
1008	return 1;	1046	return 1;
1009	}	1047	}
1010		1048
1011	static int	1049	static int
1012	api_is_ready (SV *coro_sv)	1050	api_is_ready (SV *coro_sv)
1013	{	1051	{
		1052	dTHX;
1014	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1053	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1015	}	1054	}
1016		1055
1017	static void	1056	static void
1018	prepare_schedule (struct transfer_args *ta)	1057	prepare_schedule (pTHX_ struct transfer_args *ta)
1019	{	1058	{
1020	SV prev_sv, next_sv;	1059	SV prev_sv, next_sv;
1021		1060
1022	for (;;)	1061	for (;;)
1023	{	1062	{
1024	LOCK;	1063	LOCK;
1025	next_sv = coro_deq (PRIO_MIN);	1064	next_sv = coro_deq (aTHX_ PRIO_MIN);
1026	UNLOCK;
1027		1065
1028	/* nothing to schedule: call the idle handler */	1066	/* nothing to schedule: call the idle handler */
1029	if (!next_sv)	1067	if (!next_sv)
1030	{	1068	{
1031	dSP;	1069	dSP;
		1070	UNLOCK;
1032		1071
1033	ENTER;	1072	ENTER;
1034	SAVETMPS;	1073	SAVETMPS;
1035		1074
1036	PUSHMARK (SP);	1075	PUSHMARK (SP);
…		…
1045	ta->next = SvSTATE (next_sv);	1084	ta->next = SvSTATE (next_sv);
1046		1085
1047	/* cannot transfer to destroyed coros, skip and look for next */	1086	/* cannot transfer to destroyed coros, skip and look for next */
1048	if (ta->next->flags & CF_DESTROYED)	1087	if (ta->next->flags & CF_DESTROYED)
1049	{	1088	{
		1089	UNLOCK;
1050	SvREFCNT_dec (next_sv);	1090	SvREFCNT_dec (next_sv);
1051	/* coro_nready is already taken care of by destroy */	1091	/* coro_nready is already taken care of by destroy */
1052	continue;	1092	continue;
1053	}	1093	}
1054		1094
1055	LOCK;
1056	--coro_nready;	1095	--coro_nready;
1057	UNLOCK;	1096	UNLOCK;
1058	break;	1097	break;
1059	}	1098	}
1060		1099
…		…
1065		1104
1066	assert (ta->next->flags & CF_READY);	1105	assert (ta->next->flags & CF_READY);
1067	ta->next->flags &= ~CF_READY;	1106	ta->next->flags &= ~CF_READY;
1068		1107
1069	LOCK;	1108	LOCK;
1070	free_coro_mortal ();	1109	free_coro_mortal (aTHX);
1071	coro_mortal = prev_sv;	1110	coro_mortal = prev_sv;
1072	UNLOCK;	1111	UNLOCK;
1073	}	1112	}
1074		1113
1075	static void	1114	static void
1076	prepare_cede (struct transfer_args *ta)	1115	prepare_cede (pTHX_ struct transfer_args *ta)
1077	{	1116	{
1078	api_ready (coro_current);	1117	api_ready (coro_current);
1079	prepare_schedule (ta);	1118	prepare_schedule (aTHX_ ta);
1080	}	1119	}
1081		1120
1082	static int	1121	static int
1083	prepare_cede_notself (struct transfer_args *ta)	1122	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1084	{	1123	{
1085	if (coro_nready)	1124	if (coro_nready)
1086	{	1125	{
1087	SV *prev = SvRV (coro_current);	1126	SV *prev = SvRV (coro_current);
1088	prepare_schedule (ta);	1127	prepare_schedule (aTHX_ ta);
1089	api_ready (prev);	1128	api_ready (prev);
1090	return 1;	1129	return 1;
1091	}	1130	}
1092	else	1131	else
1093	return 0;	1132	return 0;
1094	}	1133	}
1095		1134
1096	static void	1135	static void
1097	api_schedule (void)	1136	api_schedule (void)
1098	{	1137	{
		1138	dTHX;
1099	struct transfer_args ta;	1139	struct transfer_args ta;
1100		1140
1101	prepare_schedule (&ta);	1141	prepare_schedule (aTHX_ &ta);
1102	TRANSFER (ta);	1142	TRANSFER (ta);
1103	}	1143	}
1104		1144
1105	static int	1145	static int
1106	api_cede (void)	1146	api_cede (void)
1107	{	1147	{
		1148	dTHX;
1108	struct transfer_args ta;	1149	struct transfer_args ta;
1109		1150
1110	prepare_cede (&ta);	1151	prepare_cede (aTHX_ &ta);
1111		1152
1112	if (ta.prev != ta.next)	1153	if (ta.prev != ta.next)
1113	{	1154	{
1114	TRANSFER (ta);	1155	TRANSFER (ta);
1115	return 1;	1156	return 1;
…		…
1119	}	1160	}
1120		1161
1121	static int	1162	static int
1122	api_cede_notself (void)	1163	api_cede_notself (void)
1123	{	1164	{
		1165	dTHX;
1124	struct transfer_args ta;	1166	struct transfer_args ta;
1125		1167
1126	if (prepare_cede_notself (&ta))	1168	if (prepare_cede_notself (aTHX_ &ta))
1127	{	1169	{
1128	TRANSFER (ta);	1170	TRANSFER (ta);
1129	return 1;	1171	return 1;
1130	}	1172	}
1131	else	1173	else
…		…
1147		1189
1148	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1190	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1149	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1191	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1150	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1192	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1151	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1193	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1194	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1195	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1152	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1196	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1153		1197
1154	main_mainstack = PL_mainstack;	1198	main_mainstack = PL_mainstack;
		1199	main_top_env = PL_top_env;
		1200
		1201	while (main_top_env->je_prev)
		1202	main_top_env = main_top_env->je_prev;
1155		1203
1156	coroapi.ver = CORO_API_VERSION;	1204	coroapi.ver = CORO_API_VERSION;
1157	coroapi.transfer = api_transfer;	1205	coroapi.transfer = api_transfer;
1158		1206
1159	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1207	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1167	HV *hv;	1215	HV *hv;
1168	int i;	1216	int i;
1169		1217
1170	Newz (0, coro, 1, struct coro);	1218	Newz (0, coro, 1, struct coro);
1171	coro->args = newAV ();	1219	coro->args = newAV ();
1172	coro->save = CORO_SAVE_ALL;	1220	coro->save = CORO_SAVE_DEF;
1173	coro->flags = CF_NEW;	1221	coro->flags = CF_NEW;
1174		1222
		1223	if (first) first->prev = coro;
		1224	coro->next = first;
		1225	first = coro;
		1226
1175	hv = newHV ();	1227	coro->hv = hv = newHV ();
1176	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1228	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1177	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1229	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1178		1230
1179	for (i = 1; i < items; i++)	1231	for (i = 1; i < items; i++)
1180	av_push (coro->args, newSVsv (ST (i)));	1232	av_push (coro->args, newSVsv (ST (i)));
…		…
1184		1236
1185	int	1237	int
1186	save (SV *coro, int new_save = -1)	1238	save (SV *coro, int new_save = -1)
1187	CODE:	1239	CODE:
1188	RETVAL = api_save (coro, new_save);	1240	RETVAL = api_save (coro, new_save);
		1241	OUTPUT:
		1242	RETVAL
		1243
		1244	int
		1245	save_also (SV *coro_sv, int save_also)
		1246	CODE:
		1247	{
		1248	struct coro *coro = SvSTATE (coro_sv);
		1249	RETVAL = coro->save;
		1250	coro->save \|= save_also;
		1251	}
1189	OUTPUT:	1252	OUTPUT:
1190	RETVAL	1253	RETVAL
1191		1254
1192	void	1255	void
1193	_set_stacklevel (...)	1256	_set_stacklevel (...)
…		…
1209		1272
1210	case 1:	1273	case 1:
1211	if (items != 2)	1274	if (items != 2)
1212	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1275	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1213		1276
1214	prepare_transfer (&ta, ST (0), ST (1));	1277	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1215	break;	1278	break;
1216		1279
1217	case 2:	1280	case 2:
1218	prepare_schedule (&ta);	1281	prepare_schedule (aTHX_ &ta);
1219	break;	1282	break;
1220		1283
1221	case 3:	1284	case 3:
1222	prepare_cede (&ta);	1285	prepare_cede (aTHX_ &ta);
1223	break;	1286	break;
1224		1287
1225	case 4:	1288	case 4:
1226	if (!prepare_cede_notself (&ta))	1289	if (!prepare_cede_notself (aTHX_ &ta))
1227	XSRETURN_EMPTY;	1290	XSRETURN_EMPTY;
1228		1291
1229	break;	1292	break;
1230	}	1293	}
1231		1294
…		…
1237	}	1300	}
1238		1301
1239	bool	1302	bool
1240	_destroy (SV *coro_sv)	1303	_destroy (SV *coro_sv)
1241	CODE:	1304	CODE:
1242	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1305	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1243	OUTPUT:	1306	OUTPUT:
1244	RETVAL	1307	RETVAL
1245		1308
1246	void	1309	void
1247	_exit (code)	1310	_exit (code)
…		…
1249	PROTOTYPE: $	1312	PROTOTYPE: $
1250	CODE:	1313	CODE:
1251	_exit (code);	1314	_exit (code);
1252		1315
1253	int	1316	int
		1317	cctx_stacksize (int new_stacksize = 0)
		1318	CODE:
		1319	RETVAL = coro_stacksize;
		1320	if (new_stacksize)
		1321	coro_stacksize = new_stacksize;
		1322	OUTPUT:
		1323	RETVAL
		1324
		1325	int
1254	cctx_count ()	1326	cctx_count ()
1255	CODE:	1327	CODE:
1256	RETVAL = cctx_count;	1328	RETVAL = cctx_count;
1257	OUTPUT:	1329	OUTPUT:
1258	RETVAL	1330	RETVAL
…		…
1261	cctx_idle ()	1333	cctx_idle ()
1262	CODE:	1334	CODE:
1263	RETVAL = cctx_idle;	1335	RETVAL = cctx_idle;
1264	OUTPUT:	1336	OUTPUT:
1265	RETVAL	1337	RETVAL
		1338
		1339	void
		1340	list ()
		1341	PPCODE:
		1342	{
		1343	struct coro *coro;
		1344	for (coro = first; coro; coro = coro->next)
		1345	if (coro->hv)
		1346	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1347	}
		1348
		1349	void
		1350	_eval (SV coro_sv, SV coderef)
		1351	CODE:
		1352	{
		1353	struct coro *coro = SvSTATE (coro_sv);
		1354	if (coro->mainstack)
		1355	{
		1356	struct coro temp;
		1357	Zero (&temp, 1, struct coro);
		1358	temp.save = CORO_SAVE_ALL;
		1359
		1360	if (!(coro->flags & CF_RUNNING))
		1361	{
		1362	save_perl (aTHX_ &temp);
		1363	load_perl (aTHX_ coro);
		1364	}
		1365
		1366	{
		1367	dSP;
		1368	ENTER;
		1369	SAVETMPS;
		1370	PUSHMARK (SP);
		1371	PUTBACK;
		1372	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1373	SPAGAIN;
		1374	FREETMPS;
		1375	LEAVE;
		1376	PUTBACK;
		1377	}
		1378
		1379	if (!(coro->flags & CF_RUNNING))
		1380	{
		1381	save_perl (aTHX_ coro);
		1382	load_perl (aTHX_ &temp);
		1383	}
		1384	}
		1385	}
		1386
		1387	SV *
		1388	is_ready (SV *coro_sv)
		1389	PROTOTYPE: $
		1390	ALIAS:
		1391	is_ready = CF_READY
		1392	is_running = CF_RUNNING
		1393	is_new = CF_NEW
		1394	is_destroyed = CF_DESTROYED
		1395	CODE:
		1396	struct coro *coro = SvSTATE (coro_sv);
		1397	RETVAL = boolSV (coro->flags & ix);
		1398	OUTPUT:
		1399	RETVAL
		1400
1266		1401
1267	MODULE = Coro::State PACKAGE = Coro	1402	MODULE = Coro::State PACKAGE = Coro
1268		1403
1269	BOOT:	1404	BOOT:
1270	{	1405	{
…		…
1338	CODE:	1473	CODE:
1339	RETVAL = boolSV (api_ready (self));	1474	RETVAL = boolSV (api_ready (self));
1340	OUTPUT:	1475	OUTPUT:
1341	RETVAL	1476	RETVAL
1342		1477
1343	SV *
1344	is_ready (SV *self)
1345	PROTOTYPE: $
1346	CODE:
1347	RETVAL = boolSV (api_is_ready (self));
1348	OUTPUT:
1349	RETVAL
1350
1351	int	1478	int
1352	nready (...)	1479	nready (...)
1353	PROTOTYPE:	1480	PROTOTYPE:
1354	CODE:	1481	CODE:
1355	RETVAL = coro_nready;	1482	RETVAL = coro_nready;

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Comparing Coro/Coro/State.xs (file contents): Revision 1.137 by root, Sun Jan 14 20:47:53 2007 UTC vs. Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.137 by root, Sun Jan 14 20:47:53 2007 UTC vs.
Revision 1.151 by root, Wed Sep 19 21:39:15 2007 UTC