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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.142 by root, Tue Feb 13 19:21:29 2007 UTC vs.
Revision 1.154 by root, Fri Sep 21 01:08:06 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>
38	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))	40	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))
39	#else	41	#else
40	# define REGISTER_STACK(cctx,start,end)	42	# define REGISTER_STACK(cctx,start,end)
41	#endif	43	#endif
…		…
74	#ifndef SvRV_set	76	#ifndef SvRV_set
75	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
76	#endif	78	#endif
77		79
78	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
79	# undef STACKGUARD	81	# undef CORO_STACKGUARD
80	#endif	82	#endif
81		83
82	#ifndef STACKGUARD	84	#ifndef CORO_STACKGUARD
83	# define STACKGUARD 0	85	# define CORO_STACKGUARD 0
84	#endif	86	#endif
85		87
86	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
87	#ifndef PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
88	# define PREFER_PERL_FUNCTIONS 0	90	# define CORO_PREFER_PERL_FUNCTIONS 0
89	#endif	91	#endif
90		92
91	/* 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
92	* 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
93	* and should be unique. */	95	* and should be unique. */
…		…
124	I32 laststype;	126	I32 laststype;
125	int laststatval;	127	int laststatval;
126	Stat_t statcache;	128	Stat_t statcache;
127	};	129	};
128		130
		131	static size_t coro_stacksize = CORO_STACKSIZE;
129	static struct CoroAPI coroapi;	132	static struct CoroAPI coroapi;
130	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;
131	static HV coro_state_stash, coro_stash;	135	static HV coro_state_stash, coro_stash;
132	static SV coro_mortal; / will be freed after next transfer */	136	static SV coro_mortal; / will be freed after next transfer */
133		137
134	static struct coro_cctx *cctx_first;	138	static struct coro_cctx *cctx_first;
135	static int cctx_count, cctx_idle;	139	static int cctx_count, cctx_idle;
…		…
138	typedef struct coro_cctx {	142	typedef struct coro_cctx {
139	struct coro_cctx *next;	143	struct coro_cctx *next;
140		144
141	/* the stack */	145	/* the stack */
142	void *sptr;	146	void *sptr;
143	ssize_t ssize; /* positive == mmap, otherwise malloc */	147	size_t ssize;
144		148
145	/* cpu state */	149	/* cpu state */
146	void idle_sp; / sp of top-level transfer/schedule/cede call */	150	void idle_sp; / sp of top-level transfer/schedule/cede call */
147	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 */
148	JMPENV *top_env;	152	JMPENV *top_env;
149	coro_context cctx;	153	coro_context cctx;
150		154
151	int inuse;
152
153	#if USE_VALGRIND	155	#if CORO_USE_VALGRIND
154	int valgrind_id;	156	int valgrind_id;
155	#endif	157	#endif
		158	char inuse, mapped;
156	} coro_cctx;	159	} coro_cctx;
157		160
158	enum {	161	enum {
159	CF_RUNNING = 0x0001, /* coroutine is running */	162	CF_RUNNING = 0x0001, /* coroutine is running */
160	CF_READY = 0x0002, /* coroutine is ready */	163	CF_READY = 0x0002, /* coroutine is ready */
…		…
175		178
176	/* optionally saved, might be zero */	179	/* optionally saved, might be zero */
177	AV defav; / @_ */	180	AV defav; / @_ */
178	SV defsv; / $_ */	181	SV defsv; / $_ */
179	SV errsv; / $@ */	182	SV errsv; / $@ */
		183	GV deffh; / default filehandle */
180	SV irssv; / $/ */	184	SV irssv; / $/ */
181	SV irssv_sv; / real $/ cache */	185	SV irssv_sv; / real $/ cache */
182		186
183	#define VAR(name,type) type name;	187	#define VAR(name,type) type name;
184	# include "state.h"	188	# include "state.h"
185	#undef VAR	189	#undef VAR
186		190
187	/* coro process data */	191	/* coro process data */
188	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 */
189	};	197	};
190		198
191	typedef struct coro *Coro__State;	199	typedef struct coro *Coro__State;
192	typedef struct coro *Coro__State_or_hashref;	200	typedef struct coro *Coro__State_or_hashref;
193		201
…		…
202		210
203	/* for Coro.pm */	211	/* for Coro.pm */
204	static SV *coro_current;	212	static SV *coro_current;
205	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	213	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206	static int coro_nready;	214	static int coro_nready;
		215	static struct coro *coro_first;
207		216
208	/ lowlevel stuff ********************************************************/	217	/ lowlevel stuff ********************************************************/
209		218
210	static AV *	219	static AV *
211	coro_clone_padlist (CV *cv)	220	coro_clone_padlist (pTHX_ CV *cv)
212	{	221	{
213	AV *padlist = CvPADLIST (cv);	222	AV *padlist = CvPADLIST (cv);
214	AV newpadlist, newpad;	223	AV newpadlist, newpad;
215		224
216	newpadlist = newAV ();	225	newpadlist = newAV ();
…		…
228		237
229	return newpadlist;	238	return newpadlist;
230	}	239	}
231		240
232	static void	241	static void
233	free_padlist (AV *padlist)	242	free_padlist (pTHX_ AV *padlist)
234	{	243	{
235	/* may be during global destruction */	244	/* may be during global destruction */
236	if (SvREFCNT (padlist))	245	if (SvREFCNT (padlist))
237	{	246	{
238	I32 i = AvFILLp (padlist);	247	I32 i = AvFILLp (padlist);
…		…
259	AV *padlist;	268	AV *padlist;
260	AV av = (AV )mg->mg_obj;	269	AV av = (AV )mg->mg_obj;
261		270
262	/* casting is fun. */	271	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	272	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);	273	free_padlist (aTHX_ padlist);
265		274
266	SvREFCNT_dec (av);	275	SvREFCNT_dec (av);
267		276
268	return 0;	277	return 0;
269	}	278	}
…		…
279	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	288	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
280	: 0	289	: 0
281		290
282	/* the next two functions merely cache the padlists */	291	/* the next two functions merely cache the padlists */
283	static void	292	static void
284	get_padlist (CV *cv)	293	get_padlist (pTHX_ CV *cv)
285	{	294	{
286	MAGIC *mg = CORO_MAGIC (cv);	295	MAGIC *mg = CORO_MAGIC (cv);
287	AV *av;	296	AV *av;
288		297
289	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	298	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
290	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	299	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
291	else	300	else
292	{	301	{
293	#if PREFER_PERL_FUNCTIONS	302	#if CORO_PREFER_PERL_FUNCTIONS
294	/* this is probably cleaner, but also slower? */	303	/* this is probably cleaner, but also slower? */
295	CV *cp = Perl_cv_clone (cv);	304	CV *cp = Perl_cv_clone (cv);
296	CvPADLIST (cv) = CvPADLIST (cp);	305	CvPADLIST (cv) = CvPADLIST (cp);
297	CvPADLIST (cp) = 0;	306	CvPADLIST (cp) = 0;
298	SvREFCNT_dec (cp);	307	SvREFCNT_dec (cp);
299	#else	308	#else
300	CvPADLIST (cv) = coro_clone_padlist (cv);	309	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301	#endif	310	#endif
302	}	311	}
303	}	312	}
304		313
305	static void	314	static void
306	put_padlist (CV *cv)	315	put_padlist (pTHX_ CV *cv)
307	{	316	{
308	MAGIC *mg = CORO_MAGIC (cv);	317	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	318	AV *av;
310		319
311	if (!mg)	320	if (!mg)
…		…
330	#define SE } while (0)	339	#define SE } while (0)
331		340
332	#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
333		342
334	static void	343	static void
335	load_perl (Coro__State c)	344	load_perl (pTHX_ Coro__State c)
336	{	345	{
337	#define VAR(name,type) PL_ ## name = c->name;	346	#define VAR(name,type) PL_ ## name = c->name;
338	# include "state.h"	347	# include "state.h"
339	#undef VAR	348	#undef VAR
340		349
341	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	350	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	351	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343	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
344	if (c->irssv)	355	if (c->irssv)
345	{	356	{
346	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	357	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		358	{
347	SvREFCNT_dec (c->irssv);	359	SvREFCNT_dec (c->irssv);
		360	c->irssv = 0;
		361	}
348	else	362	else
349	{	363	{
350	REPLACE_SV (PL_rs, c->irssv);	364	REPLACE_SV (PL_rs, c->irssv);
351	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	365	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352	sv_setsv (c->irssv_sv, PL_rs);	366	sv_setsv (c->irssv_sv, PL_rs);
…		…
358	CV *cv;	372	CV *cv;
359		373
360	/* now do the ugly restore mess */	374	/* now do the ugly restore mess */
361	while ((cv = (CV *)POPs))	375	while ((cv = (CV *)POPs))
362	{	376	{
363	put_padlist (cv); /* mark this padlist as available */	377	put_padlist (aTHX_ cv); /* mark this padlist as available */
364	CvDEPTH (cv) = PTR2IV (POPs);	378	CvDEPTH (cv) = PTR2IV (POPs);
365	CvPADLIST (cv) = (AV *)POPs;	379	CvPADLIST (cv) = (AV *)POPs;
366	}	380	}
367		381
368	PUTBACK;	382	PUTBACK;
369	}	383	}
370	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
371	}	384	}
372		385
373	static void	386	static void
374	save_perl (Coro__State c)	387	save_perl (pTHX_ Coro__State c)
375	{	388	{
376	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
377	{	389	{
378	dSP;	390	dSP;
379	I32 cxix = cxstack_ix;	391	I32 cxix = cxstack_ix;
380	PERL_CONTEXT *ccstk = cxstack;	392	PERL_CONTEXT *ccstk = cxstack;
381	PERL_SI *top_si = PL_curstackinfo;	393	PERL_SI *top_si = PL_curstackinfo;
…		…
392	{	404	{
393	while (cxix >= 0)	405	while (cxix >= 0)
394	{	406	{
395	PERL_CONTEXT *cx = &ccstk[cxix--];	407	PERL_CONTEXT *cx = &ccstk[cxix--];
396		408
397	if (CxTYPE (cx) == CXt_SUB)	409	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
398	{	410	{
399	CV *cv = cx->blk_sub.cv;	411	CV *cv = cx->blk_sub.cv;
400		412
401	if (CvDEPTH (cv))	413	if (CvDEPTH (cv))
402	{	414	{
…		…
404	PUSHs ((SV *)CvPADLIST (cv));	416	PUSHs ((SV *)CvPADLIST (cv));
405	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	417	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
406	PUSHs ((SV *)cv);	418	PUSHs ((SV *)cv);
407		419
408	CvDEPTH (cv) = 0;	420	CvDEPTH (cv) = 0;
409	get_padlist (cv);	421	get_padlist (aTHX_ cv);
410	}	422	}
411	}	423	}
412	}	424	}
413		425
414	if (top_si->si_type == PERLSI_MAIN)	426	if (top_si->si_type == PERLSI_MAIN)
…		…
423	}	435	}
424		436
425	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;
426	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
427	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;
428	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;
429		442
430	#define VAR(name,type)c->name = PL_ ## name;	443	#define VAR(name,type)c->name = PL_ ## name;
431	# include "state.h"	444	# include "state.h"
432	#undef VAR	445	#undef VAR
…		…
436	* allocate various perl stacks. This is an exact copy	449	* allocate various perl stacks. This is an exact copy
437	* of perl.c:init_stacks, except that it uses less memory	450	* of perl.c:init_stacks, except that it uses less memory
438	* on the (sometimes correct) assumption that coroutines do	451	* on the (sometimes correct) assumption that coroutines do
439	* not usually need a lot of stackspace.	452	* not usually need a lot of stackspace.
440	*/	453	*/
441	#if PREFER_PERL_FUNCTIONS	454	#if CORO_PREFER_PERL_FUNCTIONS
442	# define coro_init_stacks init_stacks	455	# define coro_init_stacks init_stacks
443	#else	456	#else
444	static void	457	static void
445	coro_init_stacks ()	458	coro_init_stacks (pTHX)
446	{	459	{
447	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	460	PL_curstackinfo = new_stackinfo(64, 4);
448	PL_curstackinfo->si_type = PERLSI_MAIN;	461	PL_curstackinfo->si_type = PERLSI_MAIN;
449	PL_curstack = PL_curstackinfo->si_stack;	462	PL_curstack = PL_curstackinfo->si_stack;
450	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	463	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451		464
452	PL_stack_base = AvARRAY(PL_curstack);	465	PL_stack_base = AvARRAY(PL_curstack);
453	PL_stack_sp = PL_stack_base;	466	PL_stack_sp = PL_stack_base;
454	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	467	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
455		468
456	New(50,PL_tmps_stack,128,SV*);	469	New(50,PL_tmps_stack,64,SV*);
457	PL_tmps_floor = -1;	470	PL_tmps_floor = -1;
458	PL_tmps_ix = -1;	471	PL_tmps_ix = -1;
459	PL_tmps_max = 128;	472	PL_tmps_max = 64;
460		473
461	New(54,PL_markstack,32,I32);	474	New(54,PL_markstack,16,I32);
462	PL_markstack_ptr = PL_markstack;	475	PL_markstack_ptr = PL_markstack;
463	PL_markstack_max = PL_markstack + 32;	476	PL_markstack_max = PL_markstack + 16;
464		477
465	#ifdef SET_MARK_OFFSET	478	#ifdef SET_MARK_OFFSET
466	SET_MARK_OFFSET;	479	SET_MARK_OFFSET;
467	#endif	480	#endif
468		481
469	New(54,PL_scopestack,32,I32);	482	New(54,PL_scopestack,16,I32);
470	PL_scopestack_ix = 0;	483	PL_scopestack_ix = 0;
471	PL_scopestack_max = 32;	484	PL_scopestack_max = 16;
472		485
473	New(54,PL_savestack,64,ANY);	486	New(54,PL_savestack,32,ANY);
474	PL_savestack_ix = 0;	487	PL_savestack_ix = 0;
475	PL_savestack_max = 64;	488	PL_savestack_max = 32;
476		489
477	#if !PERL_VERSION_ATLEAST (5,9,0)	490	#if !PERL_VERSION_ATLEAST (5,9,0)
478	New(54,PL_retstack,16,OP*);	491	New(54,PL_retstack,8,OP*);
479	PL_retstack_ix = 0;	492	PL_retstack_ix = 0;
480	PL_retstack_max = 16;	493	PL_retstack_max = 8;
481	#endif	494	#endif
482	}	495	}
483	#endif	496	#endif
484		497
485	/*	498	/*
486	* destroy the stacks, the callchain etc...	499	* destroy the stacks, the callchain etc...
487	*/	500	*/
488	static void	501	static void
489	coro_destroy_stacks ()	502	coro_destroy_stacks (pTHX)
490	{	503	{
491	if (!IN_DESTRUCT)	504	if (!IN_DESTRUCT)
492	{	505	{
493	/* restore all saved variables and stuff */	506	/* restore all saved variables and stuff */
494	LEAVE_SCOPE (0);	507	LEAVE_SCOPE (0);
…		…
527	#if !PERL_VERSION_ATLEAST (5,9,0)	540	#if !PERL_VERSION_ATLEAST (5,9,0)
528	Safefree (PL_retstack);	541	Safefree (PL_retstack);
529	#endif	542	#endif
530	}	543	}
531		544
		545	static size_t
		546	coro_rss (struct coro *coro)
		547	{
		548	size_t rss = sizeof (coro);
		549
		550	if (coro->mainstack)
		551	{
		552	if (coro->flags & CF_RUNNING)
		553	{
		554	#define VAR(name,type)coro->name = PL_ ## name;
		555	# include "state.h"
		556	#undef VAR
		557	}
		558
		559	rss += sizeof (coro->curstackinfo);
		560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		561	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		562	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		563	rss += coro->tmps_max * sizeof (SV *);
		564	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		565	rss += coro->scopestack_max * sizeof (I32);
		566	rss += coro->savestack_max * sizeof (ANY);
		567
		568	#if !PERL_VERSION_ATLEAST (5,9,0)
		569	rss += coro->retstack_max * sizeof (OP *);
		570	#endif
		571	}
		572
		573	return rss;
		574	}
		575
532	/ coroutine stack handling **********************************************/	576	/ coroutine stack handling **********************************************/
533		577
534	static void	578	static void
535	setup_coro (struct coro *coro)	579	setup_coro (pTHX_ struct coro *coro)
536	{	580	{
537	/*	581	/*
538	* emulate part of the perl startup here.	582	* emulate part of the perl startup here.
539	*/	583	*/
540
541	coro_init_stacks ();	584	coro_init_stacks (aTHX);
542		585
543	PL_curcop = &PL_compiling;	586	PL_curcop = &PL_compiling;
544	PL_in_eval = EVAL_NULL;	587	PL_in_eval = EVAL_NULL;
545	PL_comppad = 0;	588	PL_comppad = 0;
546	PL_curpm = 0;	589	PL_curpm = 0;
…		…
558	Zero (&myop, 1, LOGOP);	601	Zero (&myop, 1, LOGOP);
559	myop.op_next = Nullop;	602	myop.op_next = Nullop;
560	myop.op_flags = OPf_WANT_VOID;	603	myop.op_flags = OPf_WANT_VOID;
561		604
562	PUSHMARK (SP);	605	PUSHMARK (SP);
563	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	606	XPUSHs (av_shift (GvAV (PL_defgv)));
564	PUTBACK;	607	PUTBACK;
565	PL_op = (OP *)&myop;	608	PL_op = (OP *)&myop;
566	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	609	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
567	SPAGAIN;	610	SPAGAIN;
568	}	611	}
569		612
570	ENTER; /* necessary e.g. for dounwind */	613	ENTER; /* necessary e.g. for dounwind */
571	}	614	}
572		615
573	static void	616	static void
574	free_coro_mortal ()	617	free_coro_mortal (pTHX)
575	{	618	{
576	if (coro_mortal)	619	if (coro_mortal)
577	{	620	{
578	SvREFCNT_dec (coro_mortal);	621	SvREFCNT_dec (coro_mortal);
579	coro_mortal = 0;	622	coro_mortal = 0;
580	}	623	}
581	}	624	}
582		625
583	/* inject a fake call to Coro::State::_cctx_init into the execution */	626	/* inject a fake call to Coro::State::_cctx_init into the execution */
		627	/* _cctx_init should be careful, as it could be called at almost any time */
		628	/* during execution of a perl program */
584	static void NOINLINE	629	static void NOINLINE
585	prepare_cctx (coro_cctx *cctx)	630	prepare_cctx (pTHX_ coro_cctx *cctx)
586	{	631	{
587	dSP;	632	dSP;
588	LOGOP myop;	633	LOGOP myop;
589		634
590	Zero (&myop, 1, LOGOP);	635	Zero (&myop, 1, LOGOP);
…		…
599	PL_op = (OP *)&myop;	644	PL_op = (OP *)&myop;
600	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
601	SPAGAIN;	646	SPAGAIN;
602	}	647	}
603		648
		649	/*
		650	* this is a _very_ stripped down perl interpreter ;)
		651	*/
604	static void	652	static void
605	coro_run (void *arg)	653	coro_run (void *arg)
606	{	654	{
		655	dTHX;
		656
607	/* coro_run is the alternative tail of transfer(), so unlock here. */	657	/* coro_run is the alternative tail of transfer(), so unlock here. */
608	UNLOCK;	658	UNLOCK;
609		659
610	/*
611	* this is a _very_ stripped down perl interpreter ;)
612	*/
613	PL_top_env = &PL_start_env;	660	PL_top_env = &PL_start_env;
614		661
615	/* inject call to cctx_init */	662	/* inject a fake subroutine call to cctx_init */
616	prepare_cctx ((coro_cctx *)arg);	663	prepare_cctx (aTHX_ (coro_cctx *)arg);
617		664
618	/* somebody will hit me for both perl_run and PL_restartop */	665	/* somebody or something will hit me for both perl_run and PL_restartop */
619	PL_restartop = PL_op;	666	PL_restartop = PL_op;
620	perl_run (PL_curinterp);	667	perl_run (PL_curinterp);
621		668
622	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	669	/*
623	abort ();	670	* If perl-run returns we assume exit() was being called or the coro
		671	* fell off the end, which seems to be the only valid (non-bug)
		672	* reason for perl_run to return. We try to exit by jumping to the
		673	* bootstrap-time "top" top_env, as we cannot restore the "main"
		674	* coroutine as Coro has no such concept
		675	*/
		676	PL_top_env = main_top_env;
		677	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
624	}	678	}
625		679
626	static coro_cctx *	680	static coro_cctx *
627	cctx_new ()	681	cctx_new ()
628	{	682	{
629	coro_cctx *cctx;	683	coro_cctx *cctx;
		684	void *stack_start;
		685	size_t stack_size;
630		686
631	++cctx_count;	687	++cctx_count;
632		688
633	Newz (0, cctx, 1, coro_cctx);	689	Newz (0, cctx, 1, coro_cctx);
634		690
635	#if HAVE_MMAP	691	#if HAVE_MMAP
636		692
637	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	693	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
638	/* mmap supposedly does allocate-on-write for us */	694	/* mmap supposedly does allocate-on-write for us */
639	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	695	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
640		696
641	if (cctx->sptr != (void *)-1)	697	if (cctx->sptr != (void *)-1)
642	{	698	{
643	# if STACKGUARD	699	# if CORO_STACKGUARD
644	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	700	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
645	# endif	701	# endif
646	REGISTER_STACK (
647	cctx,
648	STACKGUARD * PAGESIZE + (char *)cctx->sptr,	702	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
649	cctx->ssize + (char *)cctx->sptr	703	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
650	);	704	cctx->mapped = 1;
651
652	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
653	}	705	}
654	else	706	else
655	#endif	707	#endif
656	{	708	{
657	cctx->ssize = -STACKSIZE * (long)sizeof (long);	709	cctx->ssize = coro_stacksize * (long)sizeof (long);
658	New (0, cctx->sptr, STACKSIZE, long);	710	New (0, cctx->sptr, coro_stacksize, long);
659		711
660	if (!cctx->sptr)	712	if (!cctx->sptr)
661	{	713	{
662	perror ("FATAL: unable to allocate stack for coroutine");	714	perror ("FATAL: unable to allocate stack for coroutine");
663	_exit (EXIT_FAILURE);	715	_exit (EXIT_FAILURE);
664	}	716	}
665		717
666	REGISTER_STACK (	718	stack_start = cctx->sptr;
667	cctx,	719	stack_size = cctx->ssize;
668	(char *)cctx->sptr,	720	}
669	(char *)cctx->sptr - cctx->ssize
670	);
671		721
		722	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
672	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize);	723	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
673	}
674		724
675	return cctx;	725	return cctx;
676	}	726	}
677		727
678	static void	728	static void
…		…
681	if (!cctx)	731	if (!cctx)
682	return;	732	return;
683		733
684	--cctx_count;	734	--cctx_count;
685		735
686	#if USE_VALGRIND	736	#if CORO_USE_VALGRIND
687	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	737	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
688	#endif	738	#endif
689		739
690	#if HAVE_MMAP	740	#if HAVE_MMAP
691	if (cctx->ssize > 0)	741	if (cctx->mapped)
692	munmap (cctx->sptr, cctx->ssize);	742	munmap (cctx->sptr, cctx->ssize);
693	else	743	else
694	#endif	744	#endif
695	Safefree (cctx->sptr);	745	Safefree (cctx->sptr);
696		746
697	Safefree (cctx);	747	Safefree (cctx);
698	}	748	}
699		749
700	static coro_cctx *	750	static coro_cctx *
701	cctx_get ()	751	cctx_get (pTHX)
702	{	752	{
703	coro_cctx *cctx;
704
705	if (cctx_first)	753	while (cctx_first)
706	{	754	{
707	cctx = cctx_first;	755	coro_cctx *cctx = cctx_first;
708	cctx_first = cctx->next;	756	cctx_first = cctx->next;
709	--cctx_idle;	757	--cctx_idle;
		758
		759	if (cctx->ssize >= coro_stacksize)
		760	return cctx;
		761
		762	cctx_destroy (cctx);
710	}	763	}
711	else	764
712	{
713	cctx = cctx_new ();
714	PL_op = PL_op->op_next;	765	PL_op = PL_op->op_next;
715	}
716
717	return cctx;	766	return cctx_new ();
718	}	767	}
719		768
720	static void	769	static void
721	cctx_put (coro_cctx *cctx)	770	cctx_put (coro_cctx *cctx)
722	{	771	{
…		…
738		787
739	/ coroutine switching ***************************************************/	788	/ coroutine switching ***************************************************/
740		789
741	/* never call directly, always through the coro_state_transfer global variable */	790	/* never call directly, always through the coro_state_transfer global variable */
742	static void NOINLINE	791	static void NOINLINE
743	transfer (struct coro prev, struct coro next)	792	transfer (pTHX_ struct coro prev, struct coro next)
744	{	793	{
745	dSTACKLEVEL;	794	dSTACKLEVEL;
746		795
747	/* sometimes transfer is only called to set idle_sp */	796	/* sometimes transfer is only called to set idle_sp */
748	if (!next)	797	if (!next)
…		…
781	if (next->flags & CF_NEW)	830	if (next->flags & CF_NEW)
782	{	831	{
783	/* need to start coroutine */	832	/* need to start coroutine */
784	next->flags &= ~CF_NEW;	833	next->flags &= ~CF_NEW;
785	/* first get rid of the old state */	834	/* first get rid of the old state */
786	save_perl (prev);	835	save_perl (aTHX_ prev);
787	/* setup coroutine call */	836	/* setup coroutine call */
788	setup_coro (next);	837	setup_coro (aTHX_ next);
789	/* need a new stack */	838	/* need a new stack */
790	assert (!next->cctx);	839	assert (!next->cctx);
791	}	840	}
792	else	841	else
793	{	842	{
794	/* coroutine already started */	843	/* coroutine already started */
795	save_perl (prev);	844	save_perl (aTHX_ prev);
796	load_perl (next);	845	load_perl (aTHX_ next);
797	}	846	}
798		847
799	prev__cctx = prev->cctx;	848	prev__cctx = prev->cctx;
800		849
801	/* possibly "free" the cctx */	850	/* possibly "free" the cctx */
…		…
810	prev__cctx->inuse = 0;	859	prev__cctx->inuse = 0;
811	}	860	}
812		861
813	if (!next->cctx)	862	if (!next->cctx)
814	{	863	{
815	next->cctx = cctx_get ();	864	next->cctx = cctx_get (aTHX);
816	assert (!next->cctx->inuse);	865	assert (!next->cctx->inuse);
817	next->cctx->inuse = 1;	866	next->cctx->inuse = 1;
818	}	867	}
819		868
820	if (prev__cctx != next->cctx)	869	if (prev__cctx != next->cctx)
…		…
822	prev__cctx->top_env = PL_top_env;	871	prev__cctx->top_env = PL_top_env;
823	PL_top_env = next->cctx->top_env;	872	PL_top_env = next->cctx->top_env;
824	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	873	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
825	}	874	}
826		875
827	free_coro_mortal ();	876	free_coro_mortal (aTHX);
828	UNLOCK;	877	UNLOCK;
829	}	878	}
830	}	879	}
831		880
832	struct transfer_args	881	struct transfer_args
833	{	882	{
834	struct coro prev, next;	883	struct coro prev, next;
835	};	884	};
836		885
837	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	886	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
838		887
839	/ high level stuff ******************************************************/	888	/ high level stuff ******************************************************/
840		889
841	static int	890	static int
842	coro_state_destroy (struct coro *coro)	891	coro_state_destroy (pTHX_ struct coro *coro)
843	{	892	{
844	if (coro->flags & CF_DESTROYED)	893	if (coro->flags & CF_DESTROYED)
845	return 0;	894	return 0;
846		895
847	coro->flags \|= CF_DESTROYED;	896	coro->flags \|= CF_DESTROYED;
…		…
867	temp.save = CORO_SAVE_ALL;	916	temp.save = CORO_SAVE_ALL;
868		917
869	if (coro->flags & CF_RUNNING)	918	if (coro->flags & CF_RUNNING)
870	croak ("FATAL: tried to destroy currently running coroutine");	919	croak ("FATAL: tried to destroy currently running coroutine");
871		920
872	save_perl (&temp);	921	save_perl (aTHX_ &temp);
873	load_perl (coro);	922	load_perl (aTHX_ coro);
874		923
875	coro_destroy_stacks ();	924	coro_destroy_stacks (aTHX);
876		925
877	load_perl (&temp); /* this will get rid of defsv etc.. */	926	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
878		927
879	coro->mainstack = 0;	928	coro->mainstack = 0;
880	}	929	}
881		930
882	cctx_destroy (coro->cctx);	931	cctx_destroy (coro->cctx);
883	SvREFCNT_dec (coro->args);	932	SvREFCNT_dec (coro->args);
884		933
		934	if (coro->next) coro->next->prev = coro->prev;
		935	if (coro->prev) coro->prev->next = coro->next;
		936	if (coro == coro_first) coro_first = coro->next;
		937
885	return 1;	938	return 1;
886	}	939	}
887		940
888	static int	941	static int
889	coro_state_free (pTHX_ SV sv, MAGIC mg)	942	coro_state_free (pTHX_ SV sv, MAGIC mg)
890	{	943	{
891	struct coro coro = (struct coro )mg->mg_ptr;	944	struct coro coro = (struct coro )mg->mg_ptr;
892	mg->mg_ptr = 0;	945	mg->mg_ptr = 0;
893		946
		947	coro->hv = 0;
		948
894	if (--coro->refcnt < 0)	949	if (--coro->refcnt < 0)
895	{	950	{
896	coro_state_destroy (coro);	951	coro_state_destroy (aTHX_ coro);
897	Safefree (coro);	952	Safefree (coro);
898	}	953	}
899		954
900	return 0;	955	return 0;
901	}	956	}
…		…
920	# define MGf_DUP 0	975	# define MGf_DUP 0
921	#endif	976	#endif
922	};	977	};
923		978
924	static struct coro *	979	static struct coro *
925	SvSTATE (SV *coro)	980	SvSTATE_ (pTHX_ SV *coro)
926	{	981	{
927	HV *stash;	982	HV *stash;
928	MAGIC *mg;	983	MAGIC *mg;
929		984
930	if (SvROK (coro))	985	if (SvROK (coro))
…		…
936	/* very slow, but rare, check */	991	/* very slow, but rare, check */
937	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	992	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
938	croak ("Coro::State object required");	993	croak ("Coro::State object required");
939	}	994	}
940		995
941	mg = SvMAGIC (coro);	996	mg = CORO_MAGIC (coro);
942	assert (mg->mg_type == PERL_MAGIC_ext);
943	return (struct coro *)mg->mg_ptr;	997	return (struct coro *)mg->mg_ptr;
944	}	998	}
945		999
		1000	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		1001
946	static void	1002	static void
947	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	1003	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
948	{	1004	{
949	ta->prev = SvSTATE (prev_sv);	1005	ta->prev = SvSTATE (prev_sv);
950	ta->next = SvSTATE (next_sv);	1006	ta->next = SvSTATE (next_sv);
951	}	1007	}
952		1008
953	static void	1009	static void
954	api_transfer (SV prev_sv, SV next_sv)	1010	api_transfer (SV prev_sv, SV next_sv)
955	{	1011	{
		1012	dTHX;
956	struct transfer_args ta;	1013	struct transfer_args ta;
957		1014
958	prepare_transfer (&ta, prev_sv, next_sv);	1015	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
959	TRANSFER (ta);	1016	TRANSFER (ta);
960	}	1017	}
961		1018
962	static int	1019	static int
963	api_save (SV *coro_sv, int new_save)	1020	api_save (SV *coro_sv, int new_save)
964	{	1021	{
		1022	dTHX;
965	struct coro *coro = SvSTATE (coro_sv);	1023	struct coro *coro = SvSTATE (coro_sv);
966	int old_save = coro->save;	1024	int old_save = coro->save;
967		1025
968	if (new_save >= 0)	1026	if (new_save >= 0)
969	coro->save = new_save;	1027	coro->save = new_save;
…		…
972	}	1030	}
973		1031
974	/ Coro ******************************************************************/	1032	/ Coro ******************************************************************/
975		1033
976	static void	1034	static void
977	coro_enq (SV *coro_sv)	1035	coro_enq (pTHX_ SV *coro_sv)
978	{	1036	{
979	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1037	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
980	}	1038	}
981		1039
982	static SV *	1040	static SV *
983	coro_deq (int min_prio)	1041	coro_deq (pTHX_ int min_prio)
984	{	1042	{
985	int prio = PRIO_MAX - PRIO_MIN;	1043	int prio = PRIO_MAX - PRIO_MIN;
986		1044
987	min_prio -= PRIO_MIN;	1045	min_prio -= PRIO_MIN;
988	if (min_prio < 0)	1046	if (min_prio < 0)
…		…
996	}	1054	}
997		1055
998	static int	1056	static int
999	api_ready (SV *coro_sv)	1057	api_ready (SV *coro_sv)
1000	{	1058	{
		1059	dTHX;
1001	struct coro *coro;	1060	struct coro *coro;
1002		1061
1003	if (SvROK (coro_sv))	1062	if (SvROK (coro_sv))
1004	coro_sv = SvRV (coro_sv);	1063	coro_sv = SvRV (coro_sv);
1005		1064
…		…
1009	return 0;	1068	return 0;
1010		1069
1011	coro->flags \|= CF_READY;	1070	coro->flags \|= CF_READY;
1012		1071
1013	LOCK;	1072	LOCK;
1014	coro_enq (SvREFCNT_inc (coro_sv));	1073	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1015	++coro_nready;	1074	++coro_nready;
1016	UNLOCK;	1075	UNLOCK;
1017		1076
1018	return 1;	1077	return 1;
1019	}	1078	}
1020		1079
1021	static int	1080	static int
1022	api_is_ready (SV *coro_sv)	1081	api_is_ready (SV *coro_sv)
1023	{	1082	{
		1083	dTHX;
1024	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1084	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1025	}	1085	}
1026		1086
1027	static void	1087	static void
1028	prepare_schedule (struct transfer_args *ta)	1088	prepare_schedule (pTHX_ struct transfer_args *ta)
1029	{	1089	{
1030	SV prev_sv, next_sv;	1090	SV prev_sv, next_sv;
1031		1091
1032	for (;;)	1092	for (;;)
1033	{	1093	{
1034	LOCK;	1094	LOCK;
1035	next_sv = coro_deq (PRIO_MIN);	1095	next_sv = coro_deq (aTHX_ PRIO_MIN);
1036		1096
1037	/* nothing to schedule: call the idle handler */	1097	/* nothing to schedule: call the idle handler */
1038	if (!next_sv)	1098	if (!next_sv)
1039	{	1099	{
1040	dSP;	1100	dSP;
…		…
1075		1135
1076	assert (ta->next->flags & CF_READY);	1136	assert (ta->next->flags & CF_READY);
1077	ta->next->flags &= ~CF_READY;	1137	ta->next->flags &= ~CF_READY;
1078		1138
1079	LOCK;	1139	LOCK;
1080	free_coro_mortal ();	1140	free_coro_mortal (aTHX);
1081	coro_mortal = prev_sv;	1141	coro_mortal = prev_sv;
1082	UNLOCK;	1142	UNLOCK;
1083	}	1143	}
1084		1144
1085	static void	1145	static void
1086	prepare_cede (struct transfer_args *ta)	1146	prepare_cede (pTHX_ struct transfer_args *ta)
1087	{	1147	{
1088	api_ready (coro_current);	1148	api_ready (coro_current);
1089	prepare_schedule (ta);	1149	prepare_schedule (aTHX_ ta);
1090	}	1150	}
1091		1151
1092	static int	1152	static int
1093	prepare_cede_notself (struct transfer_args *ta)	1153	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1094	{	1154	{
1095	if (coro_nready)	1155	if (coro_nready)
1096	{	1156	{
1097	SV *prev = SvRV (coro_current);	1157	SV *prev = SvRV (coro_current);
1098	prepare_schedule (ta);	1158	prepare_schedule (aTHX_ ta);
1099	api_ready (prev);	1159	api_ready (prev);
1100	return 1;	1160	return 1;
1101	}	1161	}
1102	else	1162	else
1103	return 0;	1163	return 0;
1104	}	1164	}
1105		1165
1106	static void	1166	static void
1107	api_schedule (void)	1167	api_schedule (void)
1108	{	1168	{
		1169	dTHX;
1109	struct transfer_args ta;	1170	struct transfer_args ta;
1110		1171
1111	prepare_schedule (&ta);	1172	prepare_schedule (aTHX_ &ta);
1112	TRANSFER (ta);	1173	TRANSFER (ta);
1113	}	1174	}
1114		1175
1115	static int	1176	static int
1116	api_cede (void)	1177	api_cede (void)
1117	{	1178	{
		1179	dTHX;
1118	struct transfer_args ta;	1180	struct transfer_args ta;
1119		1181
1120	prepare_cede (&ta);	1182	prepare_cede (aTHX_ &ta);
1121		1183
1122	if (ta.prev != ta.next)	1184	if (ta.prev != ta.next)
1123	{	1185	{
1124	TRANSFER (ta);	1186	TRANSFER (ta);
1125	return 1;	1187	return 1;
…		…
1129	}	1191	}
1130		1192
1131	static int	1193	static int
1132	api_cede_notself (void)	1194	api_cede_notself (void)
1133	{	1195	{
		1196	dTHX;
1134	struct transfer_args ta;	1197	struct transfer_args ta;
1135		1198
1136	if (prepare_cede_notself (&ta))	1199	if (prepare_cede_notself (aTHX_ &ta))
1137	{	1200	{
1138	TRANSFER (ta);	1201	TRANSFER (ta);
1139	return 1;	1202	return 1;
1140	}	1203	}
1141	else	1204	else
…		…
1157		1220
1158	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1221	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1159	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1222	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1160	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1223	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1161	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1224	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1225	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1226	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1162	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1227	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1163		1228
1164	main_mainstack = PL_mainstack;	1229	main_mainstack = PL_mainstack;
		1230	main_top_env = PL_top_env;
		1231
		1232	while (main_top_env->je_prev)
		1233	main_top_env = main_top_env->je_prev;
1165		1234
1166	coroapi.ver = CORO_API_VERSION;	1235	coroapi.ver = CORO_API_VERSION;
1167	coroapi.transfer = api_transfer;	1236	coroapi.transfer = api_transfer;
1168		1237
1169	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1238	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1177	HV *hv;	1246	HV *hv;
1178	int i;	1247	int i;
1179		1248
1180	Newz (0, coro, 1, struct coro);	1249	Newz (0, coro, 1, struct coro);
1181	coro->args = newAV ();	1250	coro->args = newAV ();
1182	coro->save = CORO_SAVE_ALL;	1251	coro->save = CORO_SAVE_DEF;
1183	coro->flags = CF_NEW;	1252	coro->flags = CF_NEW;
1184		1253
		1254	if (coro_first) coro_first->prev = coro;
		1255	coro->next = coro_first;
		1256	coro_first = coro;
		1257
1185	hv = newHV ();	1258	coro->hv = hv = newHV ();
1186	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1259	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1187	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1260	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1188		1261
1189	for (i = 1; i < items; i++)	1262	for (i = 1; i < items; i++)
1190	av_push (coro->args, newSVsv (ST (i)));	1263	av_push (coro->args, newSVsv (ST (i)));
…		…
1194		1267
1195	int	1268	int
1196	save (SV *coro, int new_save = -1)	1269	save (SV *coro, int new_save = -1)
1197	CODE:	1270	CODE:
1198	RETVAL = api_save (coro, new_save);	1271	RETVAL = api_save (coro, new_save);
		1272	OUTPUT:
		1273	RETVAL
		1274
		1275	int
		1276	save_also (SV *coro_sv, int save_also)
		1277	CODE:
		1278	{
		1279	struct coro *coro = SvSTATE (coro_sv);
		1280	RETVAL = coro->save;
		1281	coro->save \|= save_also;
		1282	}
1199	OUTPUT:	1283	OUTPUT:
1200	RETVAL	1284	RETVAL
1201		1285
1202	void	1286	void
1203	_set_stacklevel (...)	1287	_set_stacklevel (...)
…		…
1219		1303
1220	case 1:	1304	case 1:
1221	if (items != 2)	1305	if (items != 2)
1222	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1306	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1223		1307
1224	prepare_transfer (&ta, ST (0), ST (1));	1308	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1225	break;	1309	break;
1226		1310
1227	case 2:	1311	case 2:
1228	prepare_schedule (&ta);	1312	prepare_schedule (aTHX_ &ta);
1229	break;	1313	break;
1230		1314
1231	case 3:	1315	case 3:
1232	prepare_cede (&ta);	1316	prepare_cede (aTHX_ &ta);
1233	break;	1317	break;
1234		1318
1235	case 4:	1319	case 4:
1236	if (!prepare_cede_notself (&ta))	1320	if (!prepare_cede_notself (aTHX_ &ta))
1237	XSRETURN_EMPTY;	1321	XSRETURN_EMPTY;
1238		1322
1239	break;	1323	break;
1240	}	1324	}
1241		1325
…		…
1247	}	1331	}
1248		1332
1249	bool	1333	bool
1250	_destroy (SV *coro_sv)	1334	_destroy (SV *coro_sv)
1251	CODE:	1335	CODE:
1252	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1336	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1253	OUTPUT:	1337	OUTPUT:
1254	RETVAL	1338	RETVAL
1255		1339
1256	void	1340	void
1257	_exit (code)	1341	_exit (code)
…		…
1259	PROTOTYPE: $	1343	PROTOTYPE: $
1260	CODE:	1344	CODE:
1261	_exit (code);	1345	_exit (code);
1262		1346
1263	int	1347	int
		1348	cctx_stacksize (int new_stacksize = 0)
		1349	CODE:
		1350	RETVAL = coro_stacksize;
		1351	if (new_stacksize)
		1352	coro_stacksize = new_stacksize;
		1353	OUTPUT:
		1354	RETVAL
		1355
		1356	int
1264	cctx_count ()	1357	cctx_count ()
1265	CODE:	1358	CODE:
1266	RETVAL = cctx_count;	1359	RETVAL = cctx_count;
1267	OUTPUT:	1360	OUTPUT:
1268	RETVAL	1361	RETVAL
…		…
1271	cctx_idle ()	1364	cctx_idle ()
1272	CODE:	1365	CODE:
1273	RETVAL = cctx_idle;	1366	RETVAL = cctx_idle;
1274	OUTPUT:	1367	OUTPUT:
1275	RETVAL	1368	RETVAL
		1369
		1370	void
		1371	list ()
		1372	PPCODE:
		1373	{
		1374	struct coro *coro;
		1375	for (coro = coro_first; coro; coro = coro->next)
		1376	if (coro->hv)
		1377	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1378	}
		1379
		1380	void
		1381	_eval (Coro::State coro, SV *coderef)
		1382	CODE:
		1383	{
		1384	if (coro->mainstack)
		1385	{
		1386	struct coro temp;
		1387	Zero (&temp, 1, struct coro);
		1388	temp.save = CORO_SAVE_ALL;
		1389
		1390	if (!(coro->flags & CF_RUNNING))
		1391	{
		1392	save_perl (aTHX_ &temp);
		1393	load_perl (aTHX_ coro);
		1394	}
		1395
		1396	{
		1397	dSP;
		1398	ENTER;
		1399	SAVETMPS;
		1400	PUSHMARK (SP);
		1401	PUTBACK;
		1402	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1403	SPAGAIN;
		1404	FREETMPS;
		1405	LEAVE;
		1406	PUTBACK;
		1407	}
		1408
		1409	if (!(coro->flags & CF_RUNNING))
		1410	{
		1411	save_perl (aTHX_ coro);
		1412	load_perl (aTHX_ &temp);
		1413	}
		1414	}
		1415	}
		1416
		1417	SV *
		1418	is_ready (Coro::State coro)
		1419	PROTOTYPE: $
		1420	ALIAS:
		1421	is_ready = CF_READY
		1422	is_running = CF_RUNNING
		1423	is_new = CF_NEW
		1424	is_destroyed = CF_DESTROYED
		1425	CODE:
		1426	RETVAL = boolSV (coro->flags & ix);
		1427	OUTPUT:
		1428	RETVAL
		1429
		1430	IV
		1431	rss (Coro::State coro)
		1432	PROTOTYPE: $
		1433	CODE:
		1434	RETVAL = coro_rss (coro);
		1435	OUTPUT:
		1436	RETVAL
		1437
1276		1438
1277	MODULE = Coro::State PACKAGE = Coro	1439	MODULE = Coro::State PACKAGE = Coro
1278		1440
1279	BOOT:	1441	BOOT:
1280	{	1442	{
…		…
1348	CODE:	1510	CODE:
1349	RETVAL = boolSV (api_ready (self));	1511	RETVAL = boolSV (api_ready (self));
1350	OUTPUT:	1512	OUTPUT:
1351	RETVAL	1513	RETVAL
1352		1514
1353	SV *
1354	is_ready (SV *self)
1355	PROTOTYPE: $
1356	CODE:
1357	RETVAL = boolSV (api_is_ready (self));
1358	OUTPUT:
1359	RETVAL
1360
1361	int	1515	int
1362	nready (...)	1516	nready (...)
1363	PROTOTYPE:	1517	PROTOTYPE:
1364	CODE:	1518	CODE:
1365	RETVAL = coro_nready;	1519	RETVAL = coro_nready;

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Comparing Coro/Coro/State.xs (file contents): Revision 1.142 by root, Tue Feb 13 19:21:29 2007 UTC vs. Revision 1.154 by root, Fri Sep 21 01:08:06 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.142 by root, Tue Feb 13 19:21:29 2007 UTC vs.
Revision 1.154 by root, Fri Sep 21 01:08:06 2007 UTC