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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.144 by root, Sun Mar 4 11:45:23 2007 UTC vs.
Revision 1.170 by root, Thu Sep 27 20:14:49 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
86	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
87	#ifndef CORO_PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
88	# define CORO_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 macros try to return the current stack pointer, in an as
92	* to the current C stack pointer. Its property is that it changes with each call	94	* portable way as possible. */
93	* and should be unique. */
94	#define dSTACKLEVEL int stacklevel	95	#define dSTACKLEVEL volatile char stacklevel
95	#define STACKLEVEL ((void *)&stacklevel)	96	#define STACKLEVEL ((void *)&stacklevel)
96		97
97	#define IN_DESTRUCT (PL_main_cv == Nullcv)	98	#define IN_DESTRUCT (PL_main_cv == Nullcv)
98		99
99	#if __GNUC__ >= 3	100	#if __GNUC__ >= 3
…		…
124	I32 laststype;	125	I32 laststype;
125	int laststatval;	126	int laststatval;
126	Stat_t statcache;	127	Stat_t statcache;
127	};	128	};
128		129
		130	static size_t coro_stacksize = CORO_STACKSIZE;
129	static struct CoroAPI coroapi;	131	static struct CoroAPI coroapi;
130	static AV main_mainstack; / used to differentiate between $main and others */	132	static AV main_mainstack; / used to differentiate between $main and others */
		133	static JMPENV *main_top_env;
131	static HV coro_state_stash, coro_stash;	134	static HV coro_state_stash, coro_stash;
132	static SV coro_mortal; / will be freed after next transfer */	135	static SV coro_mortal; / will be freed after next transfer */
133		136
		137	/* async_pool helper stuff */
		138	static SV *sv_pool_rss;
		139	static SV *sv_pool_size;
		140	static AV *av_async_pool;
		141
134	static struct coro_cctx *cctx_first;	142	static struct coro_cctx *cctx_first;
135	static int cctx_count, cctx_idle;	143	static int cctx_count, cctx_idle;
		144
		145	enum {
		146	CC_MAPPED = 0x01,
		147	CC_NOREUSE = 0x02, /* throw this away after tracing */
		148	CC_TRACE = 0x04,
		149	CC_TRACE_SUB = 0x08, /* trace sub calls */
		150	CC_TRACE_LINE = 0x10, /* trace each statement */
		151	CC_TRACE_ALL = CC_TRACE_SUB \| CC_TRACE_LINE,
		152	};
136		153
137	/* this is a structure representing a c-level coroutine */	154	/* this is a structure representing a c-level coroutine */
138	typedef struct coro_cctx {	155	typedef struct coro_cctx {
139	struct coro_cctx *next;	156	struct coro_cctx *next;
140		157
141	/* the stack */	158	/* the stack */
142	void *sptr;	159	void *sptr;
143	ssize_t ssize; /* positive == mmap, otherwise malloc */	160	size_t ssize;
144		161
145	/* cpu state */	162	/* cpu state */
146	void idle_sp; / sp of top-level transfer/schedule/cede call */	163	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 */	164	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
148	JMPENV *top_env;	165	JMPENV *top_env;
149	coro_context cctx;	166	coro_context cctx;
150		167
151	int inuse;
152
153	#if CORO_USE_VALGRIND	168	#if CORO_USE_VALGRIND
154	int valgrind_id;	169	int valgrind_id;
155	#endif	170	#endif
		171	unsigned char flags;
156	} coro_cctx;	172	} coro_cctx;
157		173
158	enum {	174	enum {
159	CF_RUNNING = 0x0001, /* coroutine is running */	175	CF_RUNNING = 0x0001, /* coroutine is running */
160	CF_READY = 0x0002, /* coroutine is ready */	176	CF_READY = 0x0002, /* coroutine is ready */
…		…
175		191
176	/* optionally saved, might be zero */	192	/* optionally saved, might be zero */
177	AV defav; / @_ */	193	AV defav; / @_ */
178	SV defsv; / $_ */	194	SV defsv; / $_ */
179	SV errsv; / $@ */	195	SV errsv; / $@ */
		196	GV deffh; / default filehandle */
180	SV irssv; / $/ */	197	SV irssv; / $/ */
181	SV irssv_sv; / real $/ cache */	198	SV irssv_sv; / real $/ cache */
182		199
183	#define VAR(name,type) type name;	200	#define VAR(name,type) type name;
184	# include "state.h"	201	# include "state.h"
185	#undef VAR	202	#undef VAR
186		203
187	/* coro process data */	204	/* coro process data */
188	int prio;	205	int prio;
		206
		207	/* linked list */
		208	struct coro next, prev;
		209	HV hv; / the perl hash associated with this coro, if any */
189	};	210	};
190		211
191	typedef struct coro *Coro__State;	212	typedef struct coro *Coro__State;
192	typedef struct coro *Coro__State_or_hashref;	213	typedef struct coro *Coro__State_or_hashref;
193		214
…		…
202		223
203	/* for Coro.pm */	224	/* for Coro.pm */
204	static SV *coro_current;	225	static SV *coro_current;
205	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	226	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206	static int coro_nready;	227	static int coro_nready;
		228	static struct coro *coro_first;
207		229
208	/ lowlevel stuff ********************************************************/	230	/ lowlevel stuff ********************************************************/
209		231
210	static AV *	232	static AV *
211	coro_clone_padlist (CV *cv)	233	coro_clone_padlist (pTHX_ CV *cv)
212	{	234	{
213	AV *padlist = CvPADLIST (cv);	235	AV *padlist = CvPADLIST (cv);
214	AV newpadlist, newpad;	236	AV newpadlist, newpad;
215		237
216	newpadlist = newAV ();	238	newpadlist = newAV ();
…		…
228		250
229	return newpadlist;	251	return newpadlist;
230	}	252	}
231		253
232	static void	254	static void
233	free_padlist (AV *padlist)	255	free_padlist (pTHX_ AV *padlist)
234	{	256	{
235	/* may be during global destruction */	257	/* may be during global destruction */
236	if (SvREFCNT (padlist))	258	if (SvREFCNT (padlist))
237	{	259	{
238	I32 i = AvFILLp (padlist);	260	I32 i = AvFILLp (padlist);
…		…
259	AV *padlist;	281	AV *padlist;
260	AV av = (AV )mg->mg_obj;	282	AV av = (AV )mg->mg_obj;
261		283
262	/* casting is fun. */	284	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	285	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);	286	free_padlist (aTHX_ padlist);
265		287
266	SvREFCNT_dec (av);	288	SvREFCNT_dec (av);
267		289
268	return 0;	290	return 0;
269	}	291	}
…		…
277	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	299	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
278	? SvMAGIC (cv) \	300	? SvMAGIC (cv) \
279	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	301	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
280	: 0	302	: 0
281		303
		304	static struct coro *
		305	SvSTATE_ (pTHX_ SV *coro)
		306	{
		307	HV *stash;
		308	MAGIC *mg;
		309
		310	if (SvROK (coro))
		311	coro = SvRV (coro);
		312
		313	stash = SvSTASH (coro);
		314	if (stash != coro_stash && stash != coro_state_stash)
		315	{
		316	/* very slow, but rare, check */
		317	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		318	croak ("Coro::State object required");
		319	}
		320
		321	mg = CORO_MAGIC (coro);
		322	return (struct coro *)mg->mg_ptr;
		323	}
		324
		325	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		326
282	/* the next two functions merely cache the padlists */	327	/* the next two functions merely cache the padlists */
283	static void	328	static void
284	get_padlist (CV *cv)	329	get_padlist (pTHX_ CV *cv)
285	{	330	{
286	MAGIC *mg = CORO_MAGIC (cv);	331	MAGIC *mg = CORO_MAGIC (cv);
287	AV *av;	332	AV *av;
288		333
289	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	334	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
…		…
295	CV *cp = Perl_cv_clone (cv);	340	CV *cp = Perl_cv_clone (cv);
296	CvPADLIST (cv) = CvPADLIST (cp);	341	CvPADLIST (cv) = CvPADLIST (cp);
297	CvPADLIST (cp) = 0;	342	CvPADLIST (cp) = 0;
298	SvREFCNT_dec (cp);	343	SvREFCNT_dec (cp);
299	#else	344	#else
300	CvPADLIST (cv) = coro_clone_padlist (cv);	345	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301	#endif	346	#endif
302	}	347	}
303	}	348	}
304		349
305	static void	350	static void
306	put_padlist (CV *cv)	351	put_padlist (pTHX_ CV *cv)
307	{	352	{
308	MAGIC *mg = CORO_MAGIC (cv);	353	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	354	AV *av;
310		355
311	if (!mg)	356	if (!mg)
…		…
330	#define SE } while (0)	375	#define SE } while (0)
331		376
332	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	377	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333		378
334	static void	379	static void
335	load_perl (Coro__State c)	380	load_perl (pTHX_ Coro__State c)
336	{	381	{
337	#define VAR(name,type) PL_ ## name = c->name;	382	#define VAR(name,type) PL_ ## name = c->name;
338	# include "state.h"	383	# include "state.h"
339	#undef VAR	384	#undef VAR
340		385
341	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	386	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	387	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	388	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		389	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		390
344	if (c->irssv)	391	if (c->irssv)
345	{	392	{
346	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	393	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		394	{
347	SvREFCNT_dec (c->irssv);	395	SvREFCNT_dec (c->irssv);
		396	c->irssv = 0;
		397	}
348	else	398	else
349	{	399	{
350	REPLACE_SV (PL_rs, c->irssv);	400	REPLACE_SV (PL_rs, c->irssv);
351	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	401	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352	sv_setsv (c->irssv_sv, PL_rs);	402	sv_setsv (c->irssv_sv, PL_rs);
…		…
358	CV *cv;	408	CV *cv;
359		409
360	/* now do the ugly restore mess */	410	/* now do the ugly restore mess */
361	while ((cv = (CV *)POPs))	411	while ((cv = (CV *)POPs))
362	{	412	{
363	put_padlist (cv); /* mark this padlist as available */	413	put_padlist (aTHX_ cv); /* mark this padlist as available */
364	CvDEPTH (cv) = PTR2IV (POPs);	414	CvDEPTH (cv) = PTR2IV (POPs);
365	CvPADLIST (cv) = (AV *)POPs;	415	CvPADLIST (cv) = (AV *)POPs;
366	}	416	}
367		417
368	PUTBACK;	418	PUTBACK;
369	}	419	}
370	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
371	}	420	}
372		421
373	static void	422	static void
374	save_perl (Coro__State c)	423	save_perl (pTHX_ Coro__State c)
375	{	424	{
376	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
377	{	425	{
378	dSP;	426	dSP;
379	I32 cxix = cxstack_ix;	427	I32 cxix = cxstack_ix;
380	PERL_CONTEXT *ccstk = cxstack;	428	PERL_CONTEXT *ccstk = cxstack;
381	PERL_SI *top_si = PL_curstackinfo;	429	PERL_SI *top_si = PL_curstackinfo;
…		…
383	/*	431	/*
384	* the worst thing you can imagine happens first - we have to save	432	* the worst thing you can imagine happens first - we have to save
385	* (and reinitialize) all cv's in the whole callchain :(	433	* (and reinitialize) all cv's in the whole callchain :(
386	*/	434	*/
387		435
388	EXTEND (SP, 3 + 1);
389	PUSHs (Nullsv);	436	XPUSHs (Nullsv);
390	/* this loop was inspired by pp_caller */	437	/* this loop was inspired by pp_caller */
391	for (;;)	438	for (;;)
392	{	439	{
393	while (cxix >= 0)	440	while (cxix >= 0)
394	{	441	{
395	PERL_CONTEXT *cx = &ccstk[cxix--];	442	PERL_CONTEXT *cx = &ccstk[cxix--];
396		443
397	if (CxTYPE (cx) == CXt_SUB)	444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
398	{	445	{
399	CV *cv = cx->blk_sub.cv;	446	CV *cv = cx->blk_sub.cv;
400		447
401	if (CvDEPTH (cv))	448	if (CvDEPTH (cv))
402	{	449	{
…		…
404	PUSHs ((SV *)CvPADLIST (cv));	451	PUSHs ((SV *)CvPADLIST (cv));
405	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
406	PUSHs ((SV *)cv);	453	PUSHs ((SV *)cv);
407		454
408	CvDEPTH (cv) = 0;	455	CvDEPTH (cv) = 0;
409	get_padlist (cv);	456	get_padlist (aTHX_ cv);
410	}	457	}
411	}	458	}
412	}	459	}
413		460
414	if (top_si->si_type == PERLSI_MAIN)	461	if (top_si->si_type == PERLSI_MAIN)
415	break;	462	break;
416		463
417	top_si = top_si->si_prev;	464	top_si = top_si->si_prev;
418	ccstk = top_si->si_cxstack;	465	ccstk = top_si->si_cxstack;
419	cxix = top_si->si_cxix;	466	cxix = top_si->si_cxix;
420	}	467	}
421		468
422	PUTBACK;	469	PUTBACK;
423	}	470	}
424		471
425	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	472	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;	473	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
427	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	474	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		475	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;	476	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
429		477
430	#define VAR(name,type)c->name = PL_ ## name;	478	#define VAR(name,type)c->name = PL_ ## name;
431	# include "state.h"	479	# include "state.h"
432	#undef VAR	480	#undef VAR
…		…
440	*/	488	*/
441	#if CORO_PREFER_PERL_FUNCTIONS	489	#if CORO_PREFER_PERL_FUNCTIONS
442	# define coro_init_stacks init_stacks	490	# define coro_init_stacks init_stacks
443	#else	491	#else
444	static void	492	static void
445	coro_init_stacks ()	493	coro_init_stacks (pTHX)
446	{	494	{
447	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	495	PL_curstackinfo = new_stackinfo(64, 6);
448	PL_curstackinfo->si_type = PERLSI_MAIN;	496	PL_curstackinfo->si_type = PERLSI_MAIN;
449	PL_curstack = PL_curstackinfo->si_stack;	497	PL_curstack = PL_curstackinfo->si_stack;
450	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	498	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451		499
452	PL_stack_base = AvARRAY(PL_curstack);	500	PL_stack_base = AvARRAY(PL_curstack);
453	PL_stack_sp = PL_stack_base;	501	PL_stack_sp = PL_stack_base;
454	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	502	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
455		503
456	New(50,PL_tmps_stack,128,SV*);	504	New(50,PL_tmps_stack,64,SV*);
457	PL_tmps_floor = -1;	505	PL_tmps_floor = -1;
458	PL_tmps_ix = -1;	506	PL_tmps_ix = -1;
459	PL_tmps_max = 128;	507	PL_tmps_max = 64;
460		508
461	New(54,PL_markstack,32,I32);	509	New(54,PL_markstack,16,I32);
462	PL_markstack_ptr = PL_markstack;	510	PL_markstack_ptr = PL_markstack;
463	PL_markstack_max = PL_markstack + 32;	511	PL_markstack_max = PL_markstack + 16;
464		512
465	#ifdef SET_MARK_OFFSET	513	#ifdef SET_MARK_OFFSET
466	SET_MARK_OFFSET;	514	SET_MARK_OFFSET;
467	#endif	515	#endif
468		516
469	New(54,PL_scopestack,32,I32);	517	New(54,PL_scopestack,16,I32);
470	PL_scopestack_ix = 0;	518	PL_scopestack_ix = 0;
471	PL_scopestack_max = 32;	519	PL_scopestack_max = 16;
472		520
473	New(54,PL_savestack,64,ANY);	521	New(54,PL_savestack,64,ANY);
474	PL_savestack_ix = 0;	522	PL_savestack_ix = 0;
475	PL_savestack_max = 64;	523	PL_savestack_max = 64;
476		524
477	#if !PERL_VERSION_ATLEAST (5,9,0)	525	#if !PERL_VERSION_ATLEAST (5,9,0)
478	New(54,PL_retstack,16,OP*);	526	New(54,PL_retstack,4,OP*);
479	PL_retstack_ix = 0;	527	PL_retstack_ix = 0;
480	PL_retstack_max = 16;	528	PL_retstack_max = 4;
481	#endif	529	#endif
482	}	530	}
483	#endif	531	#endif
484		532
485	/*	533	/*
486	* destroy the stacks, the callchain etc...	534	* destroy the stacks, the callchain etc...
487	*/	535	*/
488	static void	536	static void
489	coro_destroy_stacks ()	537	coro_destroy_stacks (pTHX)
490	{	538	{
491	if (!IN_DESTRUCT)	539	if (!IN_DESTRUCT)
492	{	540	{
493	/* restore all saved variables and stuff */	541	/* restore all saved variables and stuff */
494	LEAVE_SCOPE (0);	542	LEAVE_SCOPE (0);
…		…
527	#if !PERL_VERSION_ATLEAST (5,9,0)	575	#if !PERL_VERSION_ATLEAST (5,9,0)
528	Safefree (PL_retstack);	576	Safefree (PL_retstack);
529	#endif	577	#endif
530	}	578	}
531		579
		580	static size_t
		581	coro_rss (struct coro *coro)
		582	{
		583	size_t rss = sizeof (coro);
		584
		585	if (coro->mainstack)
		586	{
		587	if (coro->flags & CF_RUNNING)
		588	{
		589	#define VAR(name,type)coro->name = PL_ ## name;
		590	# include "state.h"
		591	#undef VAR
		592	}
		593
		594	rss += sizeof (coro->curstackinfo);
		595	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		596	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		597	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		598	rss += coro->tmps_max * sizeof (SV *);
		599	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		600	rss += coro->scopestack_max * sizeof (I32);
		601	rss += coro->savestack_max * sizeof (ANY);
		602
		603	#if !PERL_VERSION_ATLEAST (5,9,0)
		604	rss += coro->retstack_max * sizeof (OP *);
		605	#endif
		606	}
		607
		608	return rss;
		609	}
		610
532	/ coroutine stack handling **********************************************/	611	/ coroutine stack handling **********************************************/
533		612
534	static void	613	static void
535	setup_coro (struct coro *coro)	614	setup_coro (pTHX_ struct coro *coro)
536	{	615	{
537	/*	616	/*
538	* emulate part of the perl startup here.	617	* emulate part of the perl startup here.
539	*/	618	*/
540
541	coro_init_stacks ();	619	coro_init_stacks (aTHX);
542		620
		621	PL_runops = RUNOPS_DEFAULT;
543	PL_curcop = &PL_compiling;	622	PL_curcop = &PL_compiling;
544	PL_in_eval = EVAL_NULL;	623	PL_in_eval = EVAL_NULL;
545	PL_comppad = 0;	624	PL_comppad = 0;
546	PL_curpm = 0;	625	PL_curpm = 0;
547	PL_localizing = 0;	626	PL_localizing = 0;
…		…
558	Zero (&myop, 1, LOGOP);	637	Zero (&myop, 1, LOGOP);
559	myop.op_next = Nullop;	638	myop.op_next = Nullop;
560	myop.op_flags = OPf_WANT_VOID;	639	myop.op_flags = OPf_WANT_VOID;
561		640
562	PUSHMARK (SP);	641	PUSHMARK (SP);
563	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	642	XPUSHs (av_shift (GvAV (PL_defgv)));
564	PUTBACK;	643	PUTBACK;
565	PL_op = (OP *)&myop;	644	PL_op = (OP *)&myop;
566	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	645	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
567	SPAGAIN;	646	SPAGAIN;
568	}	647	}
569		648
570	ENTER; /* necessary e.g. for dounwind */	649	ENTER; /* necessary e.g. for dounwind */
571	}	650	}
572		651
573	static void	652	static void
574	free_coro_mortal ()	653	free_coro_mortal (pTHX)
575	{	654	{
576	if (coro_mortal)	655	if (coro_mortal)
577	{	656	{
578	SvREFCNT_dec (coro_mortal);	657	SvREFCNT_dec (coro_mortal);
579	coro_mortal = 0;	658	coro_mortal = 0;
580	}	659	}
581	}	660	}
582		661
		662	static int
		663	runops_trace (pTHX)
		664	{
		665	COP *oldcop = 0;
		666	int oldcxix = -2;
		667	struct coro coro = SvSTATE (coro_current); / trace cctx is tied to specific coro */
		668	coro_cctx *cctx = coro->cctx;
		669
		670	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
		671	{
		672	PERL_ASYNC_CHECK ();
		673
		674	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
		675	{
		676	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		677	SV bot, top;
		678	AV av = newAV (); / return values */
		679	SV **cb;
		680	runops_proc_t old_runops = PL_runops;
		681	dSP;
		682	ENTER;
		683	SAVETMPS;
		684	EXTEND (SP, 3);
		685	PL_runops = RUNOPS_DEFAULT;
		686
		687	GV *gv = CvGV (cx->blk_sub.cv);
		688	SV *fullname = sv_2mortal (newSV (0));
		689	if (isGV (gv))
		690	gv_efullname3 (fullname, gv, 0);
		691
		692	bot = PL_stack_base + cx->blk_oldsp + 1;
		693	top = cx->blk_gimme == G_ARRAY ? SP + 1
		694	: cx->blk_gimme == G_SCALAR ? bot + 1
		695	: bot;
		696
		697	while (bot < top)
		698	av_push (av, SvREFCNT_inc (*bot++));
		699
		700	PUSHMARK (SP);
		701	PUSHs (&PL_sv_no);
		702	PUSHs (fullname);
		703	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		704	PUTBACK;
		705	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		706	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		707	SPAGAIN;
		708
		709	FREETMPS;
		710	LEAVE;
		711	PL_runops = old_runops;
		712	}
		713
		714	if (oldcop != PL_curcop)
		715	{
		716	oldcop = PL_curcop;
		717
		718	if (PL_curcop != &PL_compiling)
		719	{
		720	SV **cb;
		721	runops_proc_t old_runops = PL_runops;
		722	dSP;
		723	ENTER;
		724	SAVETMPS;
		725	EXTEND (SP, 3);
		726	PL_runops = RUNOPS_DEFAULT;
		727
		728	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
		729	{
		730	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
		731
		732	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
		733	{
		734	GV *gv = CvGV (cx->blk_sub.cv);
		735	SV *fullname = sv_2mortal (newSV (0));
		736	if (isGV (gv))
		737	gv_efullname3 (fullname, gv, 0);
		738
		739	PUSHMARK (SP);
		740	PUSHs (&PL_sv_yes);
		741	PUSHs (fullname);
		742	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
		743	PUTBACK;
		744	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
		745	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		746	SPAGAIN;
		747	}
		748
		749	oldcxix = cxstack_ix;
		750	}
		751
		752	if (cctx->flags & CC_TRACE_LINE)
		753	{
		754	PUSHMARK (SP);
		755	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
		756	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
		757	PUTBACK;
		758	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
		759	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		760	SPAGAIN;
		761	}
		762
		763	FREETMPS;
		764	LEAVE;
		765	PL_runops = old_runops;
		766	}
		767	}
		768	}
		769
		770	TAINT_NOT;
		771	return 0;
		772	}
		773
583	/* inject a fake call to Coro::State::_cctx_init into the execution */	774	/* inject a fake call to Coro::State::_cctx_init into the execution */
		775	/* _cctx_init should be careful, as it could be called at almost any time */
		776	/* during execution of a perl program */
584	static void NOINLINE	777	static void NOINLINE
585	prepare_cctx (coro_cctx *cctx)	778	prepare_cctx (pTHX_ coro_cctx *cctx)
586	{	779	{
587	dSP;	780	dSP;
588	LOGOP myop;	781	LOGOP myop;
		782
		783	PL_top_env = &PL_start_env;
		784
		785	if (cctx->flags & CC_TRACE)
		786	PL_runops = runops_trace;
589		787
590	Zero (&myop, 1, LOGOP);	788	Zero (&myop, 1, LOGOP);
591	myop.op_next = PL_op;	789	myop.op_next = PL_op;
592	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	790	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
593		791
…		…
599	PL_op = (OP *)&myop;	797	PL_op = (OP *)&myop;
600	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	798	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
601	SPAGAIN;	799	SPAGAIN;
602	}	800	}
603		801
		802	/*
		803	* this is a _very_ stripped down perl interpreter ;)
		804	*/
604	static void	805	static void
605	coro_run (void *arg)	806	coro_run (void *arg)
606	{	807	{
		808	dTHX;
		809
607	/* coro_run is the alternative tail of transfer(), so unlock here. */	810	/* coro_run is the alternative tail of transfer(), so unlock here. */
608	UNLOCK;	811	UNLOCK;
609		812
610	/*	813	/* we now skip the entersub that lead to transfer() */
611	* this is a _very_ stripped down perl interpreter ;)	814	PL_op = PL_op->op_next;
612	*/
613	PL_top_env = &PL_start_env;
614		815
615	/* inject call to cctx_init */	816	/* inject a fake subroutine call to cctx_init */
616	prepare_cctx ((coro_cctx *)arg);	817	prepare_cctx (aTHX_ (coro_cctx *)arg);
617		818
618	/* somebody will hit me for both perl_run and PL_restartop */	819	/* somebody or something will hit me for both perl_run and PL_restartop */
619	PL_restartop = PL_op;	820	PL_restartop = PL_op;
620	perl_run (PL_curinterp);	821	perl_run (PL_curinterp);
621		822
622	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	823	/*
623	abort ();	824	* If perl-run returns we assume exit() was being called or the coro
		825	* fell off the end, which seems to be the only valid (non-bug)
		826	* reason for perl_run to return. We try to exit by jumping to the
		827	* bootstrap-time "top" top_env, as we cannot restore the "main"
		828	* coroutine as Coro has no such concept
		829	*/
		830	PL_top_env = main_top_env;
		831	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
624	}	832	}
625		833
626	static coro_cctx *	834	static coro_cctx *
627	cctx_new ()	835	cctx_new ()
628	{	836	{
629	coro_cctx *cctx;	837	coro_cctx *cctx;
		838	void *stack_start;
		839	size_t stack_size;
630		840
631	++cctx_count;	841	++cctx_count;
632		842
633	Newz (0, cctx, 1, coro_cctx);	843	Newz (0, cctx, 1, coro_cctx);
634		844
635	#if HAVE_MMAP	845	#if HAVE_MMAP
636		846
637	cctx->ssize = ((CORO_STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	847	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
638	/* mmap supposedly does allocate-on-write for us */	848	/* 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);	849	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
640		850
641	if (cctx->sptr != (void *)-1)	851	if (cctx->sptr != (void *)-1)
642	{	852	{
643	# if CORO_STACKGUARD	853	# if CORO_STACKGUARD
644	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	854	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
645	# endif	855	# endif
646	REGISTER_STACK (
647	cctx,
648	CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr,	856	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
649	cctx->ssize + (char *)cctx->sptr	857	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
650	);	858	cctx->flags \|= CC_MAPPED;
651
652	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
653	}	859	}
654	else	860	else
655	#endif	861	#endif
656	{	862	{
657	cctx->ssize = -CORO_STACKSIZE * (long)sizeof (long);	863	cctx->ssize = coro_stacksize * (long)sizeof (long);
658	New (0, cctx->sptr, CORO_STACKSIZE, long);	864	New (0, cctx->sptr, coro_stacksize, long);
659		865
660	if (!cctx->sptr)	866	if (!cctx->sptr)
661	{	867	{
662	perror ("FATAL: unable to allocate stack for coroutine");	868	perror ("FATAL: unable to allocate stack for coroutine");
663	_exit (EXIT_FAILURE);	869	_exit (EXIT_FAILURE);
664	}	870	}
665		871
666	REGISTER_STACK (	872	stack_start = cctx->sptr;
667	cctx,	873	stack_size = cctx->ssize;
668	(char *)cctx->sptr,	874	}
669	(char *)cctx->sptr - cctx->ssize
670	);
671		875
		876	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
672	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize);	877	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
673	}
674		878
675	return cctx;	879	return cctx;
676	}	880	}
677		881
678	static void	882	static void
…		…
686	#if CORO_USE_VALGRIND	890	#if CORO_USE_VALGRIND
687	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	891	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
688	#endif	892	#endif
689		893
690	#if HAVE_MMAP	894	#if HAVE_MMAP
691	if (cctx->ssize > 0)	895	if (cctx->flags & CC_MAPPED)
692	munmap (cctx->sptr, cctx->ssize);	896	munmap (cctx->sptr, cctx->ssize);
693	else	897	else
694	#endif	898	#endif
695	Safefree (cctx->sptr);	899	Safefree (cctx->sptr);
696		900
697	Safefree (cctx);	901	Safefree (cctx);
698	}	902	}
699		903
700	static coro_cctx *	904	static coro_cctx *
701	cctx_get ()	905	cctx_get (pTHX)
702	{	906	{
703	coro_cctx *cctx;
704
705	if (cctx_first)	907	while (cctx_first)
706	{	908	{
707	cctx = cctx_first;	909	coro_cctx *cctx = cctx_first;
708	cctx_first = cctx->next;	910	cctx_first = cctx->next;
709	--cctx_idle;	911	--cctx_idle;
710	}	912
711	else	913	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
712	{	914	return cctx;
713	cctx = cctx_new ();	915
714	PL_op = PL_op->op_next;	916	cctx_destroy (cctx);
715	}	917	}
716		918
717	return cctx;	919	return cctx_new ();
718	}	920	}
719		921
720	static void	922	static void
721	cctx_put (coro_cctx *cctx)	923	cctx_put (coro_cctx *cctx)
722	{	924	{
…		…
725	{	927	{
726	coro_cctx *first = cctx_first;	928	coro_cctx *first = cctx_first;
727	cctx_first = first->next;	929	cctx_first = first->next;
728	--cctx_idle;	930	--cctx_idle;
729		931
730	assert (!first->inuse);
731	cctx_destroy (first);	932	cctx_destroy (first);
732	}	933	}
733		934
734	++cctx_idle;	935	++cctx_idle;
735	cctx->next = cctx_first;	936	cctx->next = cctx_first;
736	cctx_first = cctx;	937	cctx_first = cctx;
737	}	938	}
738		939
739	/ coroutine switching ***************************************************/	940	/ coroutine switching ***************************************************/
740		941
741	/* never call directly, always through the coro_state_transfer global variable */
742	static void NOINLINE	942	static void NOINLINE
		943	transfer_check (pTHX_ struct coro prev, struct coro next)
		944	{
		945	if (prev != next)
		946	{
		947	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))
		948	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
		949
		950	if (next->flags & CF_RUNNING)
		951	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		952
		953	if (next->flags & CF_DESTROYED)
		954	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
		955
		956	if (PL_lex_state != LEX_NOTPARSING)
		957	croak ("Coro::State::transfer called while parsing, but this is not supported");
		958	}
		959	}
		960
		961	/* always use the TRANSFER macro */
		962	static void NOINLINE
743	transfer (struct coro prev, struct coro next)	963	transfer (pTHX_ struct coro prev, struct coro next)
744	{	964	{
745	dSTACKLEVEL;	965	dSTACKLEVEL;
746		966
747	/* sometimes transfer is only called to set idle_sp */	967	/* sometimes transfer is only called to set idle_sp */
748	if (!next)	968	if (!next)
…		…
756		976
757	if (prev->flags & CF_NEW)	977	if (prev->flags & CF_NEW)
758	{	978	{
759	/* create a new empty context */	979	/* create a new empty context */
760	Newz (0, prev->cctx, 1, coro_cctx);	980	Newz (0, prev->cctx, 1, coro_cctx);
761	prev->cctx->inuse = 1;
762	prev->flags &= ~CF_NEW;	981	prev->flags &= ~CF_NEW;
763	prev->flags \|= CF_RUNNING;	982	prev->flags \|= CF_RUNNING;
764	}	983	}
765
766	/TODO: must not croak here /
767	if (!prev->flags & CF_RUNNING)
768	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
769
770	if (next->flags & CF_RUNNING)
771	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
772
773	if (next->flags & CF_DESTROYED)
774	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
775		984
776	prev->flags &= ~CF_RUNNING;	985	prev->flags &= ~CF_RUNNING;
777	next->flags \|= CF_RUNNING;	986	next->flags \|= CF_RUNNING;
778		987
779	LOCK;	988	LOCK;
…		…
781	if (next->flags & CF_NEW)	990	if (next->flags & CF_NEW)
782	{	991	{
783	/* need to start coroutine */	992	/* need to start coroutine */
784	next->flags &= ~CF_NEW;	993	next->flags &= ~CF_NEW;
785	/* first get rid of the old state */	994	/* first get rid of the old state */
786	save_perl (prev);	995	save_perl (aTHX_ prev);
787	/* setup coroutine call */	996	/* setup coroutine call */
788	setup_coro (next);	997	setup_coro (aTHX_ next);
789	/* need a new stack */
790	assert (!next->cctx);
791	}	998	}
792	else	999	else
793	{	1000	{
794	/* coroutine already started */	1001	/* coroutine already started */
795	save_perl (prev);	1002	save_perl (aTHX_ prev);
796	load_perl (next);	1003	load_perl (aTHX_ next);
797	}	1004	}
798		1005
799	prev__cctx = prev->cctx;	1006	prev__cctx = prev->cctx;
800		1007
801	/* possibly "free" the cctx */	1008	/* possibly "free" the cctx */
802	if (prev__cctx->idle_sp == STACKLEVEL)	1009	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
803	{	1010	{
804	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1011	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
805	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1012	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
806		1013
807	prev->cctx = 0;	1014	prev->cctx = 0;
808		1015
809	cctx_put (prev__cctx);	1016	cctx_put (prev__cctx);
810	prev__cctx->inuse = 0;
811	}	1017	}
812		1018
813	if (!next->cctx)	1019	if (!next->cctx)
814	{
815	next->cctx = cctx_get ();	1020	next->cctx = cctx_get (aTHX);
816	assert (!next->cctx->inuse);
817	next->cctx->inuse = 1;
818	}
819		1021
820	if (prev__cctx != next->cctx)	1022	if (prev__cctx != next->cctx)
821	{	1023	{
822	prev__cctx->top_env = PL_top_env;	1024	prev__cctx->top_env = PL_top_env;
823	PL_top_env = next->cctx->top_env;	1025	PL_top_env = next->cctx->top_env;
824	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1026	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
825	}	1027	}
826		1028
827	free_coro_mortal ();	1029	free_coro_mortal (aTHX);
828	UNLOCK;	1030	UNLOCK;
829	}	1031	}
830	}	1032	}
831		1033
832	struct transfer_args	1034	struct transfer_args
833	{	1035	{
834	struct coro prev, next;	1036	struct coro prev, next;
835	};	1037	};
836		1038
837	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	1039	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
		1040	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
838		1041
839	/ high level stuff ******************************************************/	1042	/ high level stuff ******************************************************/
840		1043
841	static int	1044	static int
842	coro_state_destroy (struct coro *coro)	1045	coro_state_destroy (pTHX_ struct coro *coro)
843	{	1046	{
844	if (coro->flags & CF_DESTROYED)	1047	if (coro->flags & CF_DESTROYED)
845	return 0;	1048	return 0;
846		1049
847	coro->flags \|= CF_DESTROYED;	1050	coro->flags \|= CF_DESTROYED;
…		…
867	temp.save = CORO_SAVE_ALL;	1070	temp.save = CORO_SAVE_ALL;
868		1071
869	if (coro->flags & CF_RUNNING)	1072	if (coro->flags & CF_RUNNING)
870	croak ("FATAL: tried to destroy currently running coroutine");	1073	croak ("FATAL: tried to destroy currently running coroutine");
871		1074
872	save_perl (&temp);	1075	save_perl (aTHX_ &temp);
873	load_perl (coro);	1076	load_perl (aTHX_ coro);
874		1077
875	coro_destroy_stacks ();	1078	coro_destroy_stacks (aTHX);
876		1079
877	load_perl (&temp); /* this will get rid of defsv etc.. */	1080	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
878		1081
879	coro->mainstack = 0;	1082	coro->mainstack = 0;
880	}	1083	}
881		1084
882	cctx_destroy (coro->cctx);	1085	cctx_destroy (coro->cctx);
883	SvREFCNT_dec (coro->args);	1086	SvREFCNT_dec (coro->args);
884		1087
		1088	if (coro->next) coro->next->prev = coro->prev;
		1089	if (coro->prev) coro->prev->next = coro->next;
		1090	if (coro == coro_first) coro_first = coro->next;
		1091
885	return 1;	1092	return 1;
886	}	1093	}
887		1094
888	static int	1095	static int
889	coro_state_free (pTHX_ SV sv, MAGIC mg)	1096	coro_state_free (pTHX_ SV sv, MAGIC mg)
890	{	1097	{
891	struct coro coro = (struct coro )mg->mg_ptr;	1098	struct coro coro = (struct coro )mg->mg_ptr;
892	mg->mg_ptr = 0;	1099	mg->mg_ptr = 0;
893		1100
		1101	coro->hv = 0;
		1102
894	if (--coro->refcnt < 0)	1103	if (--coro->refcnt < 0)
895	{	1104	{
896	coro_state_destroy (coro);	1105	coro_state_destroy (aTHX_ coro);
897	Safefree (coro);	1106	Safefree (coro);
898	}	1107	}
899		1108
900	return 0;	1109	return 0;
901	}	1110	}
…		…
919	#else	1128	#else
920	# define MGf_DUP 0	1129	# define MGf_DUP 0
921	#endif	1130	#endif
922	};	1131	};
923		1132
924	static struct coro *
925	SvSTATE (SV *coro)
926	{
927	HV *stash;
928	MAGIC *mg;
929
930	if (SvROK (coro))
931	coro = SvRV (coro);
932
933	stash = SvSTASH (coro);
934	if (stash != coro_stash && stash != coro_state_stash)
935	{
936	/* very slow, but rare, check */
937	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
938	croak ("Coro::State object required");
939	}
940
941	mg = CORO_MAGIC (coro);
942	return (struct coro *)mg->mg_ptr;
943	}
944
945	static void	1133	static void
946	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	1134	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
947	{	1135	{
948	ta->prev = SvSTATE (prev_sv);	1136	ta->prev = SvSTATE (prev_sv);
949	ta->next = SvSTATE (next_sv);	1137	ta->next = SvSTATE (next_sv);
		1138	TRANSFER_CHECK (*ta);
950	}	1139	}
951		1140
952	static void	1141	static void
953	api_transfer (SV prev_sv, SV next_sv)	1142	api_transfer (SV prev_sv, SV next_sv)
954	{	1143	{
		1144	dTHX;
955	struct transfer_args ta;	1145	struct transfer_args ta;
956		1146
957	prepare_transfer (&ta, prev_sv, next_sv);	1147	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
958	TRANSFER (ta);	1148	TRANSFER (ta);
959	}	1149	}
960		1150
961	static int	1151	static int
962	api_save (SV *coro_sv, int new_save)	1152	api_save (SV *coro_sv, int new_save)
963	{	1153	{
		1154	dTHX;
964	struct coro *coro = SvSTATE (coro_sv);	1155	struct coro *coro = SvSTATE (coro_sv);
965	int old_save = coro->save;	1156	int old_save = coro->save;
966		1157
967	if (new_save >= 0)	1158	if (new_save >= 0)
968	coro->save = new_save;	1159	coro->save = new_save;
…		…
971	}	1162	}
972		1163
973	/ Coro ******************************************************************/	1164	/ Coro ******************************************************************/
974		1165
975	static void	1166	static void
976	coro_enq (SV *coro_sv)	1167	coro_enq (pTHX_ SV *coro_sv)
977	{	1168	{
978	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1169	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
979	}	1170	}
980		1171
981	static SV *	1172	static SV *
982	coro_deq (int min_prio)	1173	coro_deq (pTHX_ int min_prio)
983	{	1174	{
984	int prio = PRIO_MAX - PRIO_MIN;	1175	int prio = PRIO_MAX - PRIO_MIN;
985		1176
986	min_prio -= PRIO_MIN;	1177	min_prio -= PRIO_MIN;
987	if (min_prio < 0)	1178	if (min_prio < 0)
…		…
995	}	1186	}
996		1187
997	static int	1188	static int
998	api_ready (SV *coro_sv)	1189	api_ready (SV *coro_sv)
999	{	1190	{
		1191	dTHX;
1000	struct coro *coro;	1192	struct coro *coro;
1001		1193
1002	if (SvROK (coro_sv))	1194	if (SvROK (coro_sv))
1003	coro_sv = SvRV (coro_sv);	1195	coro_sv = SvRV (coro_sv);
1004		1196
…		…
1008	return 0;	1200	return 0;
1009		1201
1010	coro->flags \|= CF_READY;	1202	coro->flags \|= CF_READY;
1011		1203
1012	LOCK;	1204	LOCK;
1013	coro_enq (SvREFCNT_inc (coro_sv));	1205	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1014	++coro_nready;	1206	++coro_nready;
1015	UNLOCK;	1207	UNLOCK;
1016		1208
1017	return 1;	1209	return 1;
1018	}	1210	}
1019		1211
1020	static int	1212	static int
1021	api_is_ready (SV *coro_sv)	1213	api_is_ready (SV *coro_sv)
1022	{	1214	{
		1215	dTHX;
1023	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1216	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1024	}	1217	}
1025		1218
1026	static void	1219	static void
1027	prepare_schedule (struct transfer_args *ta)	1220	prepare_schedule (pTHX_ struct transfer_args *ta)
1028	{	1221	{
1029	SV prev_sv, next_sv;	1222	SV prev_sv, next_sv;
1030		1223
1031	for (;;)	1224	for (;;)
1032	{	1225	{
1033	LOCK;	1226	LOCK;
1034	next_sv = coro_deq (PRIO_MIN);	1227	next_sv = coro_deq (aTHX_ PRIO_MIN);
1035		1228
1036	/* nothing to schedule: call the idle handler */	1229	/* nothing to schedule: call the idle handler */
1037	if (!next_sv)	1230	if (!next_sv)
1038	{	1231	{
1039	dSP;	1232	dSP;
…		…
1067	break;	1260	break;
1068	}	1261	}
1069		1262
1070	/* free this only after the transfer */	1263	/* free this only after the transfer */
1071	prev_sv = SvRV (coro_current);	1264	prev_sv = SvRV (coro_current);
1072	SvRV_set (coro_current, next_sv);
1073	ta->prev = SvSTATE (prev_sv);	1265	ta->prev = SvSTATE (prev_sv);
1074		1266	TRANSFER_CHECK (*ta);
1075	assert (ta->next->flags & CF_READY);	1267	assert (ta->next->flags & CF_READY);
1076	ta->next->flags &= ~CF_READY;	1268	ta->next->flags &= ~CF_READY;
		1269	SvRV_set (coro_current, next_sv);
1077		1270
1078	LOCK;	1271	LOCK;
1079	free_coro_mortal ();	1272	free_coro_mortal (aTHX);
1080	coro_mortal = prev_sv;	1273	coro_mortal = prev_sv;
1081	UNLOCK;	1274	UNLOCK;
1082	}	1275	}
1083		1276
1084	static void	1277	static void
1085	prepare_cede (struct transfer_args *ta)	1278	prepare_cede (pTHX_ struct transfer_args *ta)
1086	{	1279	{
1087	api_ready (coro_current);	1280	api_ready (coro_current);
1088	prepare_schedule (ta);	1281	prepare_schedule (aTHX_ ta);
1089	}	1282	}
1090		1283
1091	static int	1284	static int
1092	prepare_cede_notself (struct transfer_args *ta)	1285	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1093	{	1286	{
1094	if (coro_nready)	1287	if (coro_nready)
1095	{	1288	{
1096	SV *prev = SvRV (coro_current);	1289	SV *prev = SvRV (coro_current);
1097	prepare_schedule (ta);	1290	prepare_schedule (aTHX_ ta);
1098	api_ready (prev);	1291	api_ready (prev);
1099	return 1;	1292	return 1;
1100	}	1293	}
1101	else	1294	else
1102	return 0;	1295	return 0;
1103	}	1296	}
1104		1297
1105	static void	1298	static void
1106	api_schedule (void)	1299	api_schedule (void)
1107	{	1300	{
		1301	dTHX;
1108	struct transfer_args ta;	1302	struct transfer_args ta;
1109		1303
1110	prepare_schedule (&ta);	1304	prepare_schedule (aTHX_ &ta);
1111	TRANSFER (ta);	1305	TRANSFER (ta);
1112	}	1306	}
1113		1307
1114	static int	1308	static int
1115	api_cede (void)	1309	api_cede (void)
1116	{	1310	{
		1311	dTHX;
1117	struct transfer_args ta;	1312	struct transfer_args ta;
1118		1313
1119	prepare_cede (&ta);	1314	prepare_cede (aTHX_ &ta);
1120		1315
1121	if (ta.prev != ta.next)	1316	if (ta.prev != ta.next)
1122	{	1317	{
1123	TRANSFER (ta);	1318	TRANSFER (ta);
1124	return 1;	1319	return 1;
…		…
1128	}	1323	}
1129		1324
1130	static int	1325	static int
1131	api_cede_notself (void)	1326	api_cede_notself (void)
1132	{	1327	{
		1328	dTHX;
1133	struct transfer_args ta;	1329	struct transfer_args ta;
1134		1330
1135	if (prepare_cede_notself (&ta))	1331	if (prepare_cede_notself (aTHX_ &ta))
1136	{	1332	{
1137	TRANSFER (ta);	1333	TRANSFER (ta);
1138	return 1;	1334	return 1;
1139	}	1335	}
1140	else	1336	else
…		…
1151	MUTEX_INIT (&coro_mutex);	1347	MUTEX_INIT (&coro_mutex);
1152	#endif	1348	#endif
1153	BOOT_PAGESIZE;	1349	BOOT_PAGESIZE;
1154		1350
1155	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1351	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
		1352
		1353	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
		1354	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
		1355	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
		1356	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1156		1357
1157	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1358	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1158	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1359	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1159	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1360	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1160	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1361	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1362	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1363	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1161	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1364	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1162		1365
1163	main_mainstack = PL_mainstack;	1366	main_mainstack = PL_mainstack;
		1367	main_top_env = PL_top_env;
		1368
		1369	while (main_top_env->je_prev)
		1370	main_top_env = main_top_env->je_prev;
1164		1371
1165	coroapi.ver = CORO_API_VERSION;	1372	coroapi.ver = CORO_API_VERSION;
1166	coroapi.transfer = api_transfer;	1373	coroapi.transfer = api_transfer;
1167		1374
1168	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1375	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1176	HV *hv;	1383	HV *hv;
1177	int i;	1384	int i;
1178		1385
1179	Newz (0, coro, 1, struct coro);	1386	Newz (0, coro, 1, struct coro);
1180	coro->args = newAV ();	1387	coro->args = newAV ();
1181	coro->save = CORO_SAVE_ALL;	1388	coro->save = CORO_SAVE_DEF;
1182	coro->flags = CF_NEW;	1389	coro->flags = CF_NEW;
1183		1390
		1391	if (coro_first) coro_first->prev = coro;
		1392	coro->next = coro_first;
		1393	coro_first = coro;
		1394
1184	hv = newHV ();	1395	coro->hv = hv = newHV ();
1185	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1396	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1186	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1397	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1187		1398
1188	for (i = 1; i < items; i++)	1399	for (i = 1; i < items; i++)
1189	av_push (coro->args, newSVsv (ST (i)));	1400	av_push (coro->args, newSVsv (ST (i)));
…		…
1193		1404
1194	int	1405	int
1195	save (SV *coro, int new_save = -1)	1406	save (SV *coro, int new_save = -1)
1196	CODE:	1407	CODE:
1197	RETVAL = api_save (coro, new_save);	1408	RETVAL = api_save (coro, new_save);
		1409	OUTPUT:
		1410	RETVAL
		1411
		1412	int
		1413	save_also (SV *coro_sv, int save_also)
		1414	CODE:
		1415	{
		1416	struct coro *coro = SvSTATE (coro_sv);
		1417	RETVAL = coro->save;
		1418	coro->save \|= save_also;
		1419	}
1198	OUTPUT:	1420	OUTPUT:
1199	RETVAL	1421	RETVAL
1200		1422
1201	void	1423	void
1202	_set_stacklevel (...)	1424	_set_stacklevel (...)
…		…
1218		1440
1219	case 1:	1441	case 1:
1220	if (items != 2)	1442	if (items != 2)
1221	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1443	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1222		1444
1223	prepare_transfer (&ta, ST (0), ST (1));	1445	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1224	break;	1446	break;
1225		1447
1226	case 2:	1448	case 2:
1227	prepare_schedule (&ta);	1449	prepare_schedule (aTHX_ &ta);
1228	break;	1450	break;
1229		1451
1230	case 3:	1452	case 3:
1231	prepare_cede (&ta);	1453	prepare_cede (aTHX_ &ta);
1232	break;	1454	break;
1233		1455
1234	case 4:	1456	case 4:
1235	if (!prepare_cede_notself (&ta))	1457	if (!prepare_cede_notself (aTHX_ &ta))
1236	XSRETURN_EMPTY;	1458	XSRETURN_EMPTY;
1237		1459
1238	break;	1460	break;
1239	}	1461	}
1240		1462
…		…
1246	}	1468	}
1247		1469
1248	bool	1470	bool
1249	_destroy (SV *coro_sv)	1471	_destroy (SV *coro_sv)
1250	CODE:	1472	CODE:
1251	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1473	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1252	OUTPUT:	1474	OUTPUT:
1253	RETVAL	1475	RETVAL
1254		1476
1255	void	1477	void
1256	_exit (code)	1478	_exit (code)
…		…
1258	PROTOTYPE: $	1480	PROTOTYPE: $
1259	CODE:	1481	CODE:
1260	_exit (code);	1482	_exit (code);
1261		1483
1262	int	1484	int
		1485	cctx_stacksize (int new_stacksize = 0)
		1486	CODE:
		1487	RETVAL = coro_stacksize;
		1488	if (new_stacksize)
		1489	coro_stacksize = new_stacksize;
		1490	OUTPUT:
		1491	RETVAL
		1492
		1493	int
1263	cctx_count ()	1494	cctx_count ()
1264	CODE:	1495	CODE:
1265	RETVAL = cctx_count;	1496	RETVAL = cctx_count;
1266	OUTPUT:	1497	OUTPUT:
1267	RETVAL	1498	RETVAL
…		…
1271	CODE:	1502	CODE:
1272	RETVAL = cctx_idle;	1503	RETVAL = cctx_idle;
1273	OUTPUT:	1504	OUTPUT:
1274	RETVAL	1505	RETVAL
1275		1506
		1507	void
		1508	list ()
		1509	PPCODE:
		1510	{
		1511	struct coro *coro;
		1512	for (coro = coro_first; coro; coro = coro->next)
		1513	if (coro->hv)
		1514	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1515	}
		1516
		1517	void
		1518	call (Coro::State coro, SV *coderef)
		1519	ALIAS:
		1520	eval = 1
		1521	CODE:
		1522	{
		1523	if (coro->mainstack)
		1524	{
		1525	struct coro temp;
		1526	Zero (&temp, 1, struct coro);
		1527	temp.save = CORO_SAVE_ALL;
		1528
		1529	if (!(coro->flags & CF_RUNNING))
		1530	{
		1531	save_perl (aTHX_ &temp);
		1532	load_perl (aTHX_ coro);
		1533	}
		1534
		1535	{
		1536	dSP;
		1537	ENTER;
		1538	SAVETMPS;
		1539	PUSHMARK (SP);
		1540	PUTBACK;
		1541	if (ix)
		1542	eval_sv (coderef, 0);
		1543	else
		1544	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1545	SPAGAIN;
		1546	FREETMPS;
		1547	LEAVE;
		1548	PUTBACK;
		1549	}
		1550
		1551	if (!(coro->flags & CF_RUNNING))
		1552	{
		1553	save_perl (aTHX_ coro);
		1554	load_perl (aTHX_ &temp);
		1555	}
		1556	}
		1557	}
		1558
		1559	SV *
		1560	is_ready (Coro::State coro)
		1561	PROTOTYPE: $
		1562	ALIAS:
		1563	is_ready = CF_READY
		1564	is_running = CF_RUNNING
		1565	is_new = CF_NEW
		1566	is_destroyed = CF_DESTROYED
		1567	CODE:
		1568	RETVAL = boolSV (coro->flags & ix);
		1569	OUTPUT:
		1570	RETVAL
		1571
		1572	void
		1573	trace (Coro::State coro, int flags = CC_TRACE \| CC_TRACE_SUB)
		1574	CODE:
		1575	if (flags & CC_TRACE)
		1576	{
		1577	if (!coro->cctx)
		1578	coro->cctx = cctx_new ();
		1579	else if (!(coro->cctx->flags & CC_TRACE))
		1580	croak ("cannot enable tracing on coroutine with custom stack");
		1581
		1582	coro->cctx->flags \|= flags & (CC_TRACE \| CC_TRACE_ALL);
		1583	}
		1584	else
		1585	if (coro->cctx && coro->cctx->flags & CC_TRACE)
		1586	{
		1587	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
		1588	coro->cctx->flags \|= CC_NOREUSE;
		1589
		1590	if (coro->flags & CF_RUNNING)
		1591	PL_runops = RUNOPS_DEFAULT;
		1592	else
		1593	coro->runops = RUNOPS_DEFAULT;
		1594	}
		1595
		1596	SV *
		1597	has_stack (Coro::State coro)
		1598	PROTOTYPE: $
		1599	CODE:
		1600	RETVAL = boolSV (!!coro->cctx);
		1601	OUTPUT:
		1602	RETVAL
		1603
		1604	int
		1605	is_traced (Coro::State coro)
		1606	PROTOTYPE: $
		1607	CODE:
		1608	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
		1609	OUTPUT:
		1610	RETVAL
		1611
		1612	IV
		1613	rss (Coro::State coro)
		1614	PROTOTYPE: $
		1615	CODE:
		1616	RETVAL = coro_rss (coro);
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620
1276	MODULE = Coro::State PACKAGE = Coro	1621	MODULE = Coro::State PACKAGE = Coro
1277		1622
1278	BOOT:	1623	BOOT:
1279	{	1624	{
1280	int i;	1625	int i;
		1626
		1627	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1628	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1629	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1630
		1631	coro_current = get_sv ("Coro::current", FALSE);
		1632	SvREADONLY_on (coro_current);
1281		1633
1282	coro_stash = gv_stashpv ("Coro", TRUE);	1634	coro_stash = gv_stashpv ("Coro", TRUE);
1283		1635
1284	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1636	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1285	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1637	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1286	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1638	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1287	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1639	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1288	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1640	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1289	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1641	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1290
1291	coro_current = get_sv ("Coro::current", FALSE);
1292	SvREADONLY_on (coro_current);
1293		1642
1294	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1643	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1295	coro_ready[i] = newAV ();	1644	coro_ready[i] = newAV ();
1296		1645
1297	{	1646	{
…		…
1347	CODE:	1696	CODE:
1348	RETVAL = boolSV (api_ready (self));	1697	RETVAL = boolSV (api_ready (self));
1349	OUTPUT:	1698	OUTPUT:
1350	RETVAL	1699	RETVAL
1351		1700
1352	SV *
1353	is_ready (SV *self)
1354	PROTOTYPE: $
1355	CODE:
1356	RETVAL = boolSV (api_is_ready (self));
1357	OUTPUT:
1358	RETVAL
1359
1360	int	1701	int
1361	nready (...)	1702	nready (...)
1362	PROTOTYPE:	1703	PROTOTYPE:
1363	CODE:	1704	CODE:
1364	RETVAL = coro_nready;	1705	RETVAL = coro_nready;
1365	OUTPUT:	1706	OUTPUT:
1366	RETVAL	1707	RETVAL
1367		1708
		1709	# for async_pool speedup
		1710	void
		1711	_pool_1 (SV *cb)
		1712	CODE:
		1713	{
		1714	int i, len;
		1715	HV hv = (HV )SvRV (coro_current);
		1716	AV *defav = GvAV (PL_defgv);
		1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1718	AV *invoke_av;
		1719
		1720	if (!invoke)
		1721	croak ("\3terminate\2\n");
		1722
		1723	hv_store (hv, "desc", sizeof ("desc") - 1,
		1724	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1725
		1726	invoke_av = (AV *)SvRV (invoke);
		1727	len = av_len (invoke_av);
		1728
		1729	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1730
		1731	if (len > 0)
		1732	{
		1733	av_fill (defav, len - 1);
		1734	for (i = 0; i < len; ++i)
		1735	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1736	}
		1737
		1738	SvREFCNT_dec (invoke);
		1739	}
		1740
		1741	void
		1742	_pool_2 (SV *cb)
		1743	CODE:
		1744	{
		1745	struct coro *coro = SvSTATE (coro_current);
		1746
		1747	sv_setsv (cb, &PL_sv_undef);
		1748
		1749	if (coro_rss (coro) > SvIV (sv_pool_rss)
		1750	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1751	croak ("\3terminate\2\n");
		1752
		1753	av_clear (GvAV (PL_defgv));
		1754	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1755	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1756	coro->save = CORO_SAVE_DEF;
		1757	coro->prio = 0;
		1758	av_push (av_async_pool, newSVsv (coro_current));
		1759	}
		1760
		1761
1368	MODULE = Coro::State PACKAGE = Coro::AIO	1762	MODULE = Coro::State PACKAGE = Coro::AIO
1369		1763
1370	SV *	1764	SV *
1371	_get_state ()	1765	_get_state ()
1372	CODE:	1766	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.144 by root, Sun Mar 4 11:45:23 2007 UTC vs. Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.144 by root, Sun Mar 4 11:45:23 2007 UTC vs.
Revision 1.170 by root, Thu Sep 27 20:14:49 2007 UTC