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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs.
Revision 1.156 by root, Fri Sep 21 01:10:55 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	}	384	}
371		385
372	static void	386	static void
373	save_perl (Coro__State c)	387	save_perl (pTHX_ Coro__State c)
374	{	388	{
375	{	389	{
376	dSP;	390	dSP;
377	I32 cxix = cxstack_ix;	391	I32 cxix = cxstack_ix;
378	PERL_CONTEXT *ccstk = cxstack;	392	PERL_CONTEXT *ccstk = cxstack;
…		…
390	{	404	{
391	while (cxix >= 0)	405	while (cxix >= 0)
392	{	406	{
393	PERL_CONTEXT *cx = &ccstk[cxix--];	407	PERL_CONTEXT *cx = &ccstk[cxix--];
394		408
395	if (CxTYPE (cx) == CXt_SUB)	409	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
396	{	410	{
397	CV *cv = cx->blk_sub.cv;	411	CV *cv = cx->blk_sub.cv;
398		412
399	if (CvDEPTH (cv))	413	if (CvDEPTH (cv))
400	{	414	{
…		…
402	PUSHs ((SV *)CvPADLIST (cv));	416	PUSHs ((SV *)CvPADLIST (cv));
403	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	417	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
404	PUSHs ((SV *)cv);	418	PUSHs ((SV *)cv);
405		419
406	CvDEPTH (cv) = 0;	420	CvDEPTH (cv) = 0;
407	get_padlist (cv);	421	get_padlist (aTHX_ cv);
408	}	422	}
409	}	423	}
410	}	424	}
411		425
412	if (top_si->si_type == PERLSI_MAIN)	426	if (top_si->si_type == PERLSI_MAIN)
…		…
421	}	435	}
422		436
423	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;
424	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	438	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
425	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;
426	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;
427		442
428	#define VAR(name,type)c->name = PL_ ## name;	443	#define VAR(name,type)c->name = PL_ ## name;
429	# include "state.h"	444	# include "state.h"
430	#undef VAR	445	#undef VAR
…		…
434	* allocate various perl stacks. This is an exact copy	449	* allocate various perl stacks. This is an exact copy
435	* of perl.c:init_stacks, except that it uses less memory	450	* of perl.c:init_stacks, except that it uses less memory
436	* on the (sometimes correct) assumption that coroutines do	451	* on the (sometimes correct) assumption that coroutines do
437	* not usually need a lot of stackspace.	452	* not usually need a lot of stackspace.
438	*/	453	*/
439	#if PREFER_PERL_FUNCTIONS	454	#if CORO_PREFER_PERL_FUNCTIONS
440	# define coro_init_stacks init_stacks	455	# define coro_init_stacks init_stacks
441	#else	456	#else
442	static void	457	static void
443	coro_init_stacks ()	458	coro_init_stacks (pTHX)
444	{	459	{
445	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	460	PL_curstackinfo = new_stackinfo(64, 6);
446	PL_curstackinfo->si_type = PERLSI_MAIN;	461	PL_curstackinfo->si_type = PERLSI_MAIN;
447	PL_curstack = PL_curstackinfo->si_stack;	462	PL_curstack = PL_curstackinfo->si_stack;
448	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	463	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
449		464
450	PL_stack_base = AvARRAY(PL_curstack);	465	PL_stack_base = AvARRAY(PL_curstack);
451	PL_stack_sp = PL_stack_base;	466	PL_stack_sp = PL_stack_base;
452	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	467	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
453		468
454	New(50,PL_tmps_stack,128,SV*);	469	New(50,PL_tmps_stack,64,SV*);
455	PL_tmps_floor = -1;	470	PL_tmps_floor = -1;
456	PL_tmps_ix = -1;	471	PL_tmps_ix = -1;
457	PL_tmps_max = 128;	472	PL_tmps_max = 64;
458		473
459	New(54,PL_markstack,32,I32);	474	New(54,PL_markstack,16,I32);
460	PL_markstack_ptr = PL_markstack;	475	PL_markstack_ptr = PL_markstack;
461	PL_markstack_max = PL_markstack + 32;	476	PL_markstack_max = PL_markstack + 16;
462		477
463	#ifdef SET_MARK_OFFSET	478	#ifdef SET_MARK_OFFSET
464	SET_MARK_OFFSET;	479	SET_MARK_OFFSET;
465	#endif	480	#endif
466		481
467	New(54,PL_scopestack,32,I32);	482	New(54,PL_scopestack,16,I32);
468	PL_scopestack_ix = 0;	483	PL_scopestack_ix = 0;
469	PL_scopestack_max = 32;	484	PL_scopestack_max = 16;
470		485
471	New(54,PL_savestack,64,ANY);	486	New(54,PL_savestack,64,ANY);
472	PL_savestack_ix = 0;	487	PL_savestack_ix = 0;
473	PL_savestack_max = 64;	488	PL_savestack_max = 64;
474		489
475	#if !PERL_VERSION_ATLEAST (5,9,0)	490	#if !PERL_VERSION_ATLEAST (5,9,0)
476	New(54,PL_retstack,16,OP*);	491	New(54,PL_retstack,4,OP*);
477	PL_retstack_ix = 0;	492	PL_retstack_ix = 0;
478	PL_retstack_max = 16;	493	PL_retstack_max = 4;
479	#endif	494	#endif
480	}	495	}
481	#endif	496	#endif
482		497
483	/*	498	/*
484	* destroy the stacks, the callchain etc...	499	* destroy the stacks, the callchain etc...
485	*/	500	*/
486	static void	501	static void
487	coro_destroy_stacks ()	502	coro_destroy_stacks (pTHX)
488	{	503	{
489	if (!IN_DESTRUCT)	504	if (!IN_DESTRUCT)
490	{	505	{
491	/* restore all saved variables and stuff */	506	/* restore all saved variables and stuff */
492	LEAVE_SCOPE (0);	507	LEAVE_SCOPE (0);
…		…
525	#if !PERL_VERSION_ATLEAST (5,9,0)	540	#if !PERL_VERSION_ATLEAST (5,9,0)
526	Safefree (PL_retstack);	541	Safefree (PL_retstack);
527	#endif	542	#endif
528	}	543	}
529		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
530	/ coroutine stack handling **********************************************/	576	/ coroutine stack handling **********************************************/
531		577
532	static void	578	static void
533	setup_coro (struct coro *coro)	579	setup_coro (pTHX_ struct coro *coro)
534	{	580	{
535	/*	581	/*
536	* emulate part of the perl startup here.	582	* emulate part of the perl startup here.
537	*/	583	*/
538
539	coro_init_stacks ();	584	coro_init_stacks (aTHX);
540		585
541	PL_curcop = &PL_compiling;	586	PL_curcop = &PL_compiling;
542	PL_in_eval = EVAL_NULL;	587	PL_in_eval = EVAL_NULL;
		588	PL_comppad = 0;
543	PL_curpm = 0;	589	PL_curpm = 0;
544	PL_localizing = 0;	590	PL_localizing = 0;
545	PL_dirty = 0;	591	PL_dirty = 0;
546	PL_restartop = 0;	592	PL_restartop = 0;
547		593
…		…
555	Zero (&myop, 1, LOGOP);	601	Zero (&myop, 1, LOGOP);
556	myop.op_next = Nullop;	602	myop.op_next = Nullop;
557	myop.op_flags = OPf_WANT_VOID;	603	myop.op_flags = OPf_WANT_VOID;
558		604
559	PUSHMARK (SP);	605	PUSHMARK (SP);
560	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	606	XPUSHs (av_shift (GvAV (PL_defgv)));
561	PUTBACK;	607	PUTBACK;
562	PL_op = (OP *)&myop;	608	PL_op = (OP *)&myop;
563	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	609	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
564	SPAGAIN;	610	SPAGAIN;
565	}	611	}
566		612
567	ENTER; /* necessary e.g. for dounwind */	613	ENTER; /* necessary e.g. for dounwind */
568	}	614	}
569		615
570	static void	616	static void
571	free_coro_mortal ()	617	free_coro_mortal (pTHX)
572	{	618	{
573	if (coro_mortal)	619	if (coro_mortal)
574	{	620	{
575	SvREFCNT_dec (coro_mortal);	621	SvREFCNT_dec (coro_mortal);
576	coro_mortal = 0;	622	coro_mortal = 0;
577	}	623	}
578	}	624	}
579		625
580	/* 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 */
581	static void NOINLINE	629	static void NOINLINE
582	prepare_cctx (coro_cctx *cctx)	630	prepare_cctx (pTHX_ coro_cctx *cctx)
583	{	631	{
584	dSP;	632	dSP;
585	LOGOP myop;	633	LOGOP myop;
586		634
587	Zero (&myop, 1, LOGOP);	635	Zero (&myop, 1, LOGOP);
…		…
596	PL_op = (OP *)&myop;	644	PL_op = (OP *)&myop;
597	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
598	SPAGAIN;	646	SPAGAIN;
599	}	647	}
600		648
		649	/*
		650	* this is a _very_ stripped down perl interpreter ;)
		651	*/
601	static void	652	static void
602	coro_run (void *arg)	653	coro_run (void *arg)
603	{	654	{
		655	dTHX;
		656
604	/* coro_run is the alternative tail of transfer(), so unlock here. */	657	/* coro_run is the alternative tail of transfer(), so unlock here. */
605	UNLOCK;	658	UNLOCK;
606		659
607	/*
608	* this is a _very_ stripped down perl interpreter ;)
609	*/
610	PL_top_env = &PL_start_env;	660	PL_top_env = &PL_start_env;
611		661
612	/* inject call to cctx_init */	662	/* inject a fake subroutine call to cctx_init */
613	prepare_cctx ((coro_cctx *)arg);	663	prepare_cctx (aTHX_ (coro_cctx *)arg);
614		664
615	/* 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 */
616	PL_restartop = PL_op;	666	PL_restartop = PL_op;
617	perl_run (PL_curinterp);	667	perl_run (PL_curinterp);
618		668
619	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	669	/*
620	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 */
621	}	678	}
622		679
623	static coro_cctx *	680	static coro_cctx *
624	cctx_new ()	681	cctx_new ()
625	{	682	{
626	coro_cctx *cctx;	683	coro_cctx *cctx;
		684	void *stack_start;
		685	size_t stack_size;
627		686
628	++cctx_count;	687	++cctx_count;
629		688
630	Newz (0, cctx, 1, coro_cctx);	689	Newz (0, cctx, 1, coro_cctx);
631		690
632	#if HAVE_MMAP	691	#if HAVE_MMAP
633		692
634	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	693	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
635	/* mmap supposedly does allocate-on-write for us */	694	/* mmap supposedly does allocate-on-write for us */
636	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);
637		696
638	if (cctx->sptr != (void *)-1)	697	if (cctx->sptr != (void *)-1)
639	{	698	{
640	# if STACKGUARD	699	# if CORO_STACKGUARD
641	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	700	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
642	# endif	701	# endif
643	REGISTER_STACK (
644	cctx,
645	STACKGUARD * PAGESIZE + (char *)cctx->sptr,	702	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
646	cctx->ssize + (char *)cctx->sptr	703	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
647	);	704	cctx->mapped = 1;
648
649	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
650	}	705	}
651	else	706	else
652	#endif	707	#endif
653	{	708	{
654	cctx->ssize = -STACKSIZE * (long)sizeof (long);	709	cctx->ssize = coro_stacksize * (long)sizeof (long);
655	New (0, cctx->sptr, STACKSIZE, long);	710	New (0, cctx->sptr, coro_stacksize, long);
656		711
657	if (!cctx->sptr)	712	if (!cctx->sptr)
658	{	713	{
659	perror ("FATAL: unable to allocate stack for coroutine");	714	perror ("FATAL: unable to allocate stack for coroutine");
660	_exit (EXIT_FAILURE);	715	_exit (EXIT_FAILURE);
661	}	716	}
662		717
663	REGISTER_STACK (	718	stack_start = cctx->sptr;
664	cctx,	719	stack_size = cctx->ssize;
665	(char *)cctx->sptr,	720	}
666	(char *)cctx->sptr - cctx->ssize
667	);
668		721
		722	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
669	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);
670	}
671		724
672	return cctx;	725	return cctx;
673	}	726	}
674		727
675	static void	728	static void
…		…
678	if (!cctx)	731	if (!cctx)
679	return;	732	return;
680		733
681	--cctx_count;	734	--cctx_count;
682		735
683	#if USE_VALGRIND	736	#if CORO_USE_VALGRIND
684	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	737	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
685	#endif	738	#endif
686		739
687	#if HAVE_MMAP	740	#if HAVE_MMAP
688	if (cctx->ssize > 0)	741	if (cctx->mapped)
689	munmap (cctx->sptr, cctx->ssize);	742	munmap (cctx->sptr, cctx->ssize);
690	else	743	else
691	#endif	744	#endif
692	Safefree (cctx->sptr);	745	Safefree (cctx->sptr);
693		746
694	Safefree (cctx);	747	Safefree (cctx);
695	}	748	}
696		749
697	static coro_cctx *	750	static coro_cctx *
698	cctx_get ()	751	cctx_get (pTHX)
699	{	752	{
700	coro_cctx *cctx;
701
702	if (cctx_first)	753	while (cctx_first)
703	{	754	{
704	cctx = cctx_first;	755	coro_cctx *cctx = cctx_first;
705	cctx_first = cctx->next;	756	cctx_first = cctx->next;
706	--cctx_idle;	757	--cctx_idle;
		758
		759	if (cctx->ssize >= coro_stacksize)
		760	return cctx;
		761
		762	cctx_destroy (cctx);
707	}	763	}
708	else	764
709	{
710	cctx = cctx_new ();
711	PL_op = PL_op->op_next;	765	PL_op = PL_op->op_next;
712	}
713
714	return cctx;	766	return cctx_new ();
715	}	767	}
716		768
717	static void	769	static void
718	cctx_put (coro_cctx *cctx)	770	cctx_put (coro_cctx *cctx)
719	{	771	{
…		…
735		787
736	/ coroutine switching ***************************************************/	788	/ coroutine switching ***************************************************/
737		789
738	/* never call directly, always through the coro_state_transfer global variable */	790	/* never call directly, always through the coro_state_transfer global variable */
739	static void NOINLINE	791	static void NOINLINE
740	transfer (struct coro prev, struct coro next)	792	transfer (pTHX_ struct coro prev, struct coro next)
741	{	793	{
742	dSTACKLEVEL;	794	dSTACKLEVEL;
743		795
744	/* sometimes transfer is only called to set idle_sp */	796	/* sometimes transfer is only called to set idle_sp */
745	if (!next)	797	if (!next)
…		…
778	if (next->flags & CF_NEW)	830	if (next->flags & CF_NEW)
779	{	831	{
780	/* need to start coroutine */	832	/* need to start coroutine */
781	next->flags &= ~CF_NEW;	833	next->flags &= ~CF_NEW;
782	/* first get rid of the old state */	834	/* first get rid of the old state */
783	save_perl (prev);	835	save_perl (aTHX_ prev);
784	/* setup coroutine call */	836	/* setup coroutine call */
785	setup_coro (next);	837	setup_coro (aTHX_ next);
786	/* need a new stack */	838	/* need a new stack */
787	assert (!next->cctx);	839	assert (!next->cctx);
788	}	840	}
789	else	841	else
790	{	842	{
791	/* coroutine already started */	843	/* coroutine already started */
792	save_perl (prev);	844	save_perl (aTHX_ prev);
793	load_perl (next);	845	load_perl (aTHX_ next);
794	}	846	}
795		847
796	prev__cctx = prev->cctx;	848	prev__cctx = prev->cctx;
797		849
798	/* possibly "free" the cctx */	850	/* possibly "free" the cctx */
…		…
807	prev__cctx->inuse = 0;	859	prev__cctx->inuse = 0;
808	}	860	}
809		861
810	if (!next->cctx)	862	if (!next->cctx)
811	{	863	{
812	next->cctx = cctx_get ();	864	next->cctx = cctx_get (aTHX);
813	assert (!next->cctx->inuse);	865	assert (!next->cctx->inuse);
814	next->cctx->inuse = 1;	866	next->cctx->inuse = 1;
815	}	867	}
816		868
817	if (prev__cctx != next->cctx)	869	if (prev__cctx != next->cctx)
…		…
819	prev__cctx->top_env = PL_top_env;	871	prev__cctx->top_env = PL_top_env;
820	PL_top_env = next->cctx->top_env;	872	PL_top_env = next->cctx->top_env;
821	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	873	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
822	}	874	}
823		875
824	free_coro_mortal ();	876	free_coro_mortal (aTHX);
825	UNLOCK;	877	UNLOCK;
826	}	878	}
827	}	879	}
828		880
829	struct transfer_args	881	struct transfer_args
830	{	882	{
831	struct coro prev, next;	883	struct coro prev, next;
832	};	884	};
833		885
834	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	886	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
835		887
836	/ high level stuff ******************************************************/	888	/ high level stuff ******************************************************/
837		889
838	static int	890	static int
839	coro_state_destroy (struct coro *coro)	891	coro_state_destroy (pTHX_ struct coro *coro)
840	{	892	{
841	if (coro->flags & CF_DESTROYED)	893	if (coro->flags & CF_DESTROYED)
842	return 0;	894	return 0;
843		895
844	coro->flags \|= CF_DESTROYED;	896	coro->flags \|= CF_DESTROYED;
…		…
864	temp.save = CORO_SAVE_ALL;	916	temp.save = CORO_SAVE_ALL;
865		917
866	if (coro->flags & CF_RUNNING)	918	if (coro->flags & CF_RUNNING)
867	croak ("FATAL: tried to destroy currently running coroutine");	919	croak ("FATAL: tried to destroy currently running coroutine");
868		920
869	save_perl (&temp);	921	save_perl (aTHX_ &temp);
870	load_perl (coro);	922	load_perl (aTHX_ coro);
871		923
872	coro_destroy_stacks ();	924	coro_destroy_stacks (aTHX);
873		925
874	load_perl (&temp); /* this will get rid of defsv etc.. */	926	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
875		927
876	coro->mainstack = 0;	928	coro->mainstack = 0;
877	}	929	}
878		930
879	cctx_destroy (coro->cctx);	931	cctx_destroy (coro->cctx);
880	SvREFCNT_dec (coro->args);	932	SvREFCNT_dec (coro->args);
881		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
882	return 1;	938	return 1;
883	}	939	}
884		940
885	static int	941	static int
886	coro_state_free (pTHX_ SV sv, MAGIC mg)	942	coro_state_free (pTHX_ SV sv, MAGIC mg)
887	{	943	{
888	struct coro coro = (struct coro )mg->mg_ptr;	944	struct coro coro = (struct coro )mg->mg_ptr;
889	mg->mg_ptr = 0;	945	mg->mg_ptr = 0;
890		946
		947	coro->hv = 0;
		948
891	if (--coro->refcnt < 0)	949	if (--coro->refcnt < 0)
892	{	950	{
893	coro_state_destroy (coro);	951	coro_state_destroy (aTHX_ coro);
894	Safefree (coro);	952	Safefree (coro);
895	}	953	}
896		954
897	return 0;	955	return 0;
898	}	956	}
…		…
917	# define MGf_DUP 0	975	# define MGf_DUP 0
918	#endif	976	#endif
919	};	977	};
920		978
921	static struct coro *	979	static struct coro *
922	SvSTATE (SV *coro)	980	SvSTATE_ (pTHX_ SV *coro)
923	{	981	{
924	HV *stash;	982	HV *stash;
925	MAGIC *mg;	983	MAGIC *mg;
926		984
927	if (SvROK (coro))	985	if (SvROK (coro))
…		…
933	/* very slow, but rare, check */	991	/* very slow, but rare, check */
934	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	992	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
935	croak ("Coro::State object required");	993	croak ("Coro::State object required");
936	}	994	}
937		995
938	mg = SvMAGIC (coro);	996	mg = CORO_MAGIC (coro);
939	assert (mg->mg_type == PERL_MAGIC_ext);
940	return (struct coro *)mg->mg_ptr;	997	return (struct coro *)mg->mg_ptr;
941	}	998	}
942		999
		1000	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		1001
943	static void	1002	static void
944	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)
945	{	1004	{
946	ta->prev = SvSTATE (prev_sv);	1005	ta->prev = SvSTATE (prev_sv);
947	ta->next = SvSTATE (next_sv);	1006	ta->next = SvSTATE (next_sv);
948	}	1007	}
949		1008
950	static void	1009	static void
951	api_transfer (SV prev_sv, SV next_sv)	1010	api_transfer (SV prev_sv, SV next_sv)
952	{	1011	{
		1012	dTHX;
953	struct transfer_args ta;	1013	struct transfer_args ta;
954		1014
955	prepare_transfer (&ta, prev_sv, next_sv);	1015	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
956	TRANSFER (ta);	1016	TRANSFER (ta);
957	}	1017	}
958		1018
959	static int	1019	static int
960	api_save (SV *coro_sv, int new_save)	1020	api_save (SV *coro_sv, int new_save)
961	{	1021	{
		1022	dTHX;
962	struct coro *coro = SvSTATE (coro_sv);	1023	struct coro *coro = SvSTATE (coro_sv);
963	int old_save = coro->save;	1024	int old_save = coro->save;
964		1025
965	if (new_save >= 0)	1026	if (new_save >= 0)
966	coro->save = new_save;	1027	coro->save = new_save;
…		…
969	}	1030	}
970		1031
971	/ Coro ******************************************************************/	1032	/ Coro ******************************************************************/
972		1033
973	static void	1034	static void
974	coro_enq (SV *coro_sv)	1035	coro_enq (pTHX_ SV *coro_sv)
975	{	1036	{
976	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);
977	}	1038	}
978		1039
979	static SV *	1040	static SV *
980	coro_deq (int min_prio)	1041	coro_deq (pTHX_ int min_prio)
981	{	1042	{
982	int prio = PRIO_MAX - PRIO_MIN;	1043	int prio = PRIO_MAX - PRIO_MIN;
983		1044
984	min_prio -= PRIO_MIN;	1045	min_prio -= PRIO_MIN;
985	if (min_prio < 0)	1046	if (min_prio < 0)
…		…
993	}	1054	}
994		1055
995	static int	1056	static int
996	api_ready (SV *coro_sv)	1057	api_ready (SV *coro_sv)
997	{	1058	{
		1059	dTHX;
998	struct coro *coro;	1060	struct coro *coro;
999		1061
1000	if (SvROK (coro_sv))	1062	if (SvROK (coro_sv))
1001	coro_sv = SvRV (coro_sv);	1063	coro_sv = SvRV (coro_sv);
1002		1064
…		…
1006	return 0;	1068	return 0;
1007		1069
1008	coro->flags \|= CF_READY;	1070	coro->flags \|= CF_READY;
1009		1071
1010	LOCK;	1072	LOCK;
1011	coro_enq (SvREFCNT_inc (coro_sv));	1073	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1012	++coro_nready;	1074	++coro_nready;
1013	UNLOCK;	1075	UNLOCK;
1014		1076
1015	return 1;	1077	return 1;
1016	}	1078	}
1017		1079
1018	static int	1080	static int
1019	api_is_ready (SV *coro_sv)	1081	api_is_ready (SV *coro_sv)
1020	{	1082	{
		1083	dTHX;
1021	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1084	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1022	}	1085	}
1023		1086
1024	static void	1087	static void
1025	prepare_schedule (struct transfer_args *ta)	1088	prepare_schedule (pTHX_ struct transfer_args *ta)
1026	{	1089	{
1027	SV prev_sv, next_sv;	1090	SV prev_sv, next_sv;
1028		1091
1029	for (;;)	1092	for (;;)
1030	{	1093	{
1031	LOCK;	1094	LOCK;
1032	next_sv = coro_deq (PRIO_MIN);	1095	next_sv = coro_deq (aTHX_ PRIO_MIN);
1033		1096
1034	/* nothing to schedule: call the idle handler */	1097	/* nothing to schedule: call the idle handler */
1035	if (!next_sv)	1098	if (!next_sv)
1036	{	1099	{
1037	dSP;	1100	dSP;
…		…
1072		1135
1073	assert (ta->next->flags & CF_READY);	1136	assert (ta->next->flags & CF_READY);
1074	ta->next->flags &= ~CF_READY;	1137	ta->next->flags &= ~CF_READY;
1075		1138
1076	LOCK;	1139	LOCK;
1077	free_coro_mortal ();	1140	free_coro_mortal (aTHX);
1078	coro_mortal = prev_sv;	1141	coro_mortal = prev_sv;
1079	UNLOCK;	1142	UNLOCK;
1080	}	1143	}
1081		1144
1082	static void	1145	static void
1083	prepare_cede (struct transfer_args *ta)	1146	prepare_cede (pTHX_ struct transfer_args *ta)
1084	{	1147	{
1085	api_ready (coro_current);	1148	api_ready (coro_current);
1086	prepare_schedule (ta);	1149	prepare_schedule (aTHX_ ta);
1087	}	1150	}
1088		1151
1089	static int	1152	static int
1090	prepare_cede_notself (struct transfer_args *ta)	1153	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1091	{	1154	{
1092	if (coro_nready)	1155	if (coro_nready)
1093	{	1156	{
1094	SV *prev = SvRV (coro_current);	1157	SV *prev = SvRV (coro_current);
1095	prepare_schedule (ta);	1158	prepare_schedule (aTHX_ ta);
1096	api_ready (prev);	1159	api_ready (prev);
1097	return 1;	1160	return 1;
1098	}	1161	}
1099	else	1162	else
1100	return 0;	1163	return 0;
1101	}	1164	}
1102		1165
1103	static void	1166	static void
1104	api_schedule (void)	1167	api_schedule (void)
1105	{	1168	{
		1169	dTHX;
1106	struct transfer_args ta;	1170	struct transfer_args ta;
1107		1171
1108	prepare_schedule (&ta);	1172	prepare_schedule (aTHX_ &ta);
1109	TRANSFER (ta);	1173	TRANSFER (ta);
1110	}	1174	}
1111		1175
1112	static int	1176	static int
1113	api_cede (void)	1177	api_cede (void)
1114	{	1178	{
		1179	dTHX;
1115	struct transfer_args ta;	1180	struct transfer_args ta;
1116		1181
1117	prepare_cede (&ta);	1182	prepare_cede (aTHX_ &ta);
1118		1183
1119	if (ta.prev != ta.next)	1184	if (ta.prev != ta.next)
1120	{	1185	{
1121	TRANSFER (ta);	1186	TRANSFER (ta);
1122	return 1;	1187	return 1;
…		…
1126	}	1191	}
1127		1192
1128	static int	1193	static int
1129	api_cede_notself (void)	1194	api_cede_notself (void)
1130	{	1195	{
		1196	dTHX;
1131	struct transfer_args ta;	1197	struct transfer_args ta;
1132		1198
1133	if (prepare_cede_notself (&ta))	1199	if (prepare_cede_notself (aTHX_ &ta))
1134	{	1200	{
1135	TRANSFER (ta);	1201	TRANSFER (ta);
1136	return 1;	1202	return 1;
1137	}	1203	}
1138	else	1204	else
…		…
1154		1220
1155	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1221	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1156	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1222	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1157	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1223	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1158	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));
1159	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1227	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1160		1228
1161	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;
1162		1234
1163	coroapi.ver = CORO_API_VERSION;	1235	coroapi.ver = CORO_API_VERSION;
1164	coroapi.transfer = api_transfer;	1236	coroapi.transfer = api_transfer;
1165		1237
1166	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1238	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1174	HV *hv;	1246	HV *hv;
1175	int i;	1247	int i;
1176		1248
1177	Newz (0, coro, 1, struct coro);	1249	Newz (0, coro, 1, struct coro);
1178	coro->args = newAV ();	1250	coro->args = newAV ();
1179	coro->save = CORO_SAVE_ALL;	1251	coro->save = CORO_SAVE_DEF;
1180	coro->flags = CF_NEW;	1252	coro->flags = CF_NEW;
1181		1253
		1254	if (coro_first) coro_first->prev = coro;
		1255	coro->next = coro_first;
		1256	coro_first = coro;
		1257
1182	hv = newHV ();	1258	coro->hv = hv = newHV ();
1183	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;
1184	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1260	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1185		1261
1186	for (i = 1; i < items; i++)	1262	for (i = 1; i < items; i++)
1187	av_push (coro->args, newSVsv (ST (i)));	1263	av_push (coro->args, newSVsv (ST (i)));
…		…
1191		1267
1192	int	1268	int
1193	save (SV *coro, int new_save = -1)	1269	save (SV *coro, int new_save = -1)
1194	CODE:	1270	CODE:
1195	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	}
1196	OUTPUT:	1283	OUTPUT:
1197	RETVAL	1284	RETVAL
1198		1285
1199	void	1286	void
1200	_set_stacklevel (...)	1287	_set_stacklevel (...)
…		…
1216		1303
1217	case 1:	1304	case 1:
1218	if (items != 2)	1305	if (items != 2)
1219	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);
1220		1307
1221	prepare_transfer (&ta, ST (0), ST (1));	1308	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1222	break;	1309	break;
1223		1310
1224	case 2:	1311	case 2:
1225	prepare_schedule (&ta);	1312	prepare_schedule (aTHX_ &ta);
1226	break;	1313	break;
1227		1314
1228	case 3:	1315	case 3:
1229	prepare_cede (&ta);	1316	prepare_cede (aTHX_ &ta);
1230	break;	1317	break;
1231		1318
1232	case 4:	1319	case 4:
1233	if (!prepare_cede_notself (&ta))	1320	if (!prepare_cede_notself (aTHX_ &ta))
1234	XSRETURN_EMPTY;	1321	XSRETURN_EMPTY;
1235		1322
1236	break;	1323	break;
1237	}	1324	}
1238		1325
…		…
1244	}	1331	}
1245		1332
1246	bool	1333	bool
1247	_destroy (SV *coro_sv)	1334	_destroy (SV *coro_sv)
1248	CODE:	1335	CODE:
1249	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1336	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1250	OUTPUT:	1337	OUTPUT:
1251	RETVAL	1338	RETVAL
1252		1339
1253	void	1340	void
1254	_exit (code)	1341	_exit (code)
…		…
1256	PROTOTYPE: $	1343	PROTOTYPE: $
1257	CODE:	1344	CODE:
1258	_exit (code);	1345	_exit (code);
1259		1346
1260	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
1261	cctx_count ()	1357	cctx_count ()
1262	CODE:	1358	CODE:
1263	RETVAL = cctx_count;	1359	RETVAL = cctx_count;
1264	OUTPUT:	1360	OUTPUT:
1265	RETVAL	1361	RETVAL
…		…
1268	cctx_idle ()	1364	cctx_idle ()
1269	CODE:	1365	CODE:
1270	RETVAL = cctx_idle;	1366	RETVAL = cctx_idle;
1271	OUTPUT:	1367	OUTPUT:
1272	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
1273		1438
1274	MODULE = Coro::State PACKAGE = Coro	1439	MODULE = Coro::State PACKAGE = Coro
1275		1440
1276	BOOT:	1441	BOOT:
1277	{	1442	{
…		…
1345	CODE:	1510	CODE:
1346	RETVAL = boolSV (api_ready (self));	1511	RETVAL = boolSV (api_ready (self));
1347	OUTPUT:	1512	OUTPUT:
1348	RETVAL	1513	RETVAL
1349		1514
1350	SV *
1351	is_ready (SV *self)
1352	PROTOTYPE: $
1353	CODE:
1354	RETVAL = boolSV (api_is_ready (self));
1355	OUTPUT:
1356	RETVAL
1357
1358	int	1515	int
1359	nready (...)	1516	nready (...)
1360	PROTOTYPE:	1517	PROTOTYPE:
1361	CODE:	1518	CODE:
1362	RETVAL = coro_nready;	1519	RETVAL = coro_nready;

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Comparing Coro/Coro/State.xs (file contents): Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs. Revision 1.156 by root, Fri Sep 21 01:10:55 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs.
Revision 1.156 by root, Fri Sep 21 01:10:55 2007 UTC