[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 1.158 by root, Fri Sep 21 02:23:48 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
134	static struct coro_cctx *cctx_first;	137	static struct coro_cctx *cctx_first;
135	static int cctx_count, cctx_idle;	138	static int cctx_count, cctx_idle;
…		…
138	typedef struct coro_cctx {	141	typedef struct coro_cctx {
139	struct coro_cctx *next;	142	struct coro_cctx *next;
140		143
141	/* the stack */	144	/* the stack */
142	void *sptr;	145	void *sptr;
143	ssize_t ssize; /* positive == mmap, otherwise malloc */	146	size_t ssize;
144		147
145	/* cpu state */	148	/* cpu state */
146	void idle_sp; / sp of top-level transfer/schedule/cede call */	149	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 */	150	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
148	JMPENV *top_env;	151	JMPENV *top_env;
149	coro_context cctx;	152	coro_context cctx;
150		153
151	int inuse;
152
153	#if CORO_USE_VALGRIND	154	#if CORO_USE_VALGRIND
154	int valgrind_id;	155	int valgrind_id;
155	#endif	156	#endif
		157	char inuse, mapped;
156	} coro_cctx;	158	} coro_cctx;
157		159
158	enum {	160	enum {
159	CF_RUNNING = 0x0001, /* coroutine is running */	161	CF_RUNNING = 0x0001, /* coroutine is running */
160	CF_READY = 0x0002, /* coroutine is ready */	162	CF_READY = 0x0002, /* coroutine is ready */
…		…
175		177
176	/* optionally saved, might be zero */	178	/* optionally saved, might be zero */
177	AV defav; / @_ */	179	AV defav; / @_ */
178	SV defsv; / $_ */	180	SV defsv; / $_ */
179	SV errsv; / $@ */	181	SV errsv; / $@ */
		182	GV deffh; / default filehandle */
180	SV irssv; / $/ */	183	SV irssv; / $/ */
181	SV irssv_sv; / real $/ cache */	184	SV irssv_sv; / real $/ cache */
182		185
183	#define VAR(name,type) type name;	186	#define VAR(name,type) type name;
184	# include "state.h"	187	# include "state.h"
185	#undef VAR	188	#undef VAR
186		189
187	/* coro process data */	190	/* coro process data */
188	int prio;	191	int prio;
		192
		193	/* linked list */
		194	struct coro next, prev;
		195	HV hv; / the perl hash associated with this coro, if any */
189	};	196	};
190		197
191	typedef struct coro *Coro__State;	198	typedef struct coro *Coro__State;
192	typedef struct coro *Coro__State_or_hashref;	199	typedef struct coro *Coro__State_or_hashref;
193		200
…		…
202		209
203	/* for Coro.pm */	210	/* for Coro.pm */
204	static SV *coro_current;	211	static SV *coro_current;
205	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	212	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206	static int coro_nready;	213	static int coro_nready;
		214	static struct coro *coro_first;
207		215
208	/ lowlevel stuff ********************************************************/	216	/ lowlevel stuff ********************************************************/
209		217
210	static AV *	218	static AV *
211	coro_clone_padlist (CV *cv)	219	coro_clone_padlist (pTHX_ CV *cv)
212	{	220	{
213	AV *padlist = CvPADLIST (cv);	221	AV *padlist = CvPADLIST (cv);
214	AV newpadlist, newpad;	222	AV newpadlist, newpad;
215		223
216	newpadlist = newAV ();	224	newpadlist = newAV ();
…		…
228		236
229	return newpadlist;	237	return newpadlist;
230	}	238	}
231		239
232	static void	240	static void
233	free_padlist (AV *padlist)	241	free_padlist (pTHX_ AV *padlist)
234	{	242	{
235	/* may be during global destruction */	243	/* may be during global destruction */
236	if (SvREFCNT (padlist))	244	if (SvREFCNT (padlist))
237	{	245	{
238	I32 i = AvFILLp (padlist);	246	I32 i = AvFILLp (padlist);
…		…
259	AV *padlist;	267	AV *padlist;
260	AV av = (AV )mg->mg_obj;	268	AV av = (AV )mg->mg_obj;
261		269
262	/* casting is fun. */	270	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	271	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);	272	free_padlist (aTHX_ padlist);
265		273
266	SvREFCNT_dec (av);	274	SvREFCNT_dec (av);
267		275
268	return 0;	276	return 0;
269	}	277	}
…		…
279	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	287	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
280	: 0	288	: 0
281		289
282	/* the next two functions merely cache the padlists */	290	/* the next two functions merely cache the padlists */
283	static void	291	static void
284	get_padlist (CV *cv)	292	get_padlist (pTHX_ CV *cv)
285	{	293	{
286	MAGIC *mg = CORO_MAGIC (cv);	294	MAGIC *mg = CORO_MAGIC (cv);
287	AV *av;	295	AV *av;
288		296
289	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	297	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
…		…
295	CV *cp = Perl_cv_clone (cv);	303	CV *cp = Perl_cv_clone (cv);
296	CvPADLIST (cv) = CvPADLIST (cp);	304	CvPADLIST (cv) = CvPADLIST (cp);
297	CvPADLIST (cp) = 0;	305	CvPADLIST (cp) = 0;
298	SvREFCNT_dec (cp);	306	SvREFCNT_dec (cp);
299	#else	307	#else
300	CvPADLIST (cv) = coro_clone_padlist (cv);	308	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301	#endif	309	#endif
302	}	310	}
303	}	311	}
304		312
305	static void	313	static void
306	put_padlist (CV *cv)	314	put_padlist (pTHX_ CV *cv)
307	{	315	{
308	MAGIC *mg = CORO_MAGIC (cv);	316	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	317	AV *av;
310		318
311	if (!mg)	319	if (!mg)
…		…
330	#define SE } while (0)	338	#define SE } while (0)
331		339
332	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	340	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333		341
334	static void	342	static void
335	load_perl (Coro__State c)	343	load_perl (pTHX_ Coro__State c)
336	{	344	{
337	#define VAR(name,type) PL_ ## name = c->name;	345	#define VAR(name,type) PL_ ## name = c->name;
338	# include "state.h"	346	# include "state.h"
339	#undef VAR	347	#undef VAR
340		348
341	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	349	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	350	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	351	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		352	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		353
344	if (c->irssv)	354	if (c->irssv)
345	{	355	{
346	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	356	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		357	{
347	SvREFCNT_dec (c->irssv);	358	SvREFCNT_dec (c->irssv);
		359	c->irssv = 0;
		360	}
348	else	361	else
349	{	362	{
350	REPLACE_SV (PL_rs, c->irssv);	363	REPLACE_SV (PL_rs, c->irssv);
351	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	364	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352	sv_setsv (c->irssv_sv, PL_rs);	365	sv_setsv (c->irssv_sv, PL_rs);
…		…
358	CV *cv;	371	CV *cv;
359		372
360	/* now do the ugly restore mess */	373	/* now do the ugly restore mess */
361	while ((cv = (CV *)POPs))	374	while ((cv = (CV *)POPs))
362	{	375	{
363	put_padlist (cv); /* mark this padlist as available */	376	put_padlist (aTHX_ cv); /* mark this padlist as available */
364	CvDEPTH (cv) = PTR2IV (POPs);	377	CvDEPTH (cv) = PTR2IV (POPs);
365	CvPADLIST (cv) = (AV *)POPs;	378	CvPADLIST (cv) = (AV *)POPs;
366	}	379	}
367		380
368	PUTBACK;	381	PUTBACK;
369	}	382	}
370	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
371	}	383	}
372		384
373	static void	385	static void
374	save_perl (Coro__State c)	386	save_perl (pTHX_ Coro__State c)
375	{	387	{
376	assert (!PL_comppad \|\| AvARRAY (PL_comppad));//D
377	{	388	{
378	dSP;	389	dSP;
379	I32 cxix = cxstack_ix;	390	I32 cxix = cxstack_ix;
380	PERL_CONTEXT *ccstk = cxstack;	391	PERL_CONTEXT *ccstk = cxstack;
381	PERL_SI *top_si = PL_curstackinfo;	392	PERL_SI *top_si = PL_curstackinfo;
…		…
383	/*	394	/*
384	* the worst thing you can imagine happens first - we have to save	395	* the worst thing you can imagine happens first - we have to save
385	* (and reinitialize) all cv's in the whole callchain :(	396	* (and reinitialize) all cv's in the whole callchain :(
386	*/	397	*/
387		398
388	EXTEND (SP, 3 + 1);
389	PUSHs (Nullsv);	399	XPUSHs (Nullsv);
390	/* this loop was inspired by pp_caller */	400	/* this loop was inspired by pp_caller */
391	for (;;)	401	for (;;)
392	{	402	{
393	while (cxix >= 0)	403	while (cxix >= 0)
394	{	404	{
395	PERL_CONTEXT *cx = &ccstk[cxix--];	405	PERL_CONTEXT *cx = &ccstk[cxix--];
396		406
397	if (CxTYPE (cx) == CXt_SUB)	407	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
398	{	408	{
399	CV *cv = cx->blk_sub.cv;	409	CV *cv = cx->blk_sub.cv;
400		410
401	if (CvDEPTH (cv))	411	if (CvDEPTH (cv))
402	{	412	{
…		…
404	PUSHs ((SV *)CvPADLIST (cv));	414	PUSHs ((SV *)CvPADLIST (cv));
405	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	415	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
406	PUSHs ((SV *)cv);	416	PUSHs ((SV *)cv);
407		417
408	CvDEPTH (cv) = 0;	418	CvDEPTH (cv) = 0;
409	get_padlist (cv);	419	get_padlist (aTHX_ cv);
410	}	420	}
411	}	421	}
412	}	422	}
413		423
414	if (top_si->si_type == PERLSI_MAIN)	424	if (top_si->si_type == PERLSI_MAIN)
415	break;	425	break;
416		426
417	top_si = top_si->si_prev;	427	top_si = top_si->si_prev;
418	ccstk = top_si->si_cxstack;	428	ccstk = top_si->si_cxstack;
419	cxix = top_si->si_cxix;	429	cxix = top_si->si_cxix;
420	}	430	}
421		431
422	PUTBACK;	432	PUTBACK;
423	}	433	}
424		434
425	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	435	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;	436	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
427	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	437	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		438	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;	439	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
429		440
430	#define VAR(name,type)c->name = PL_ ## name;	441	#define VAR(name,type)c->name = PL_ ## name;
431	# include "state.h"	442	# include "state.h"
432	#undef VAR	443	#undef VAR
…		…
440	*/	451	*/
441	#if CORO_PREFER_PERL_FUNCTIONS	452	#if CORO_PREFER_PERL_FUNCTIONS
442	# define coro_init_stacks init_stacks	453	# define coro_init_stacks init_stacks
443	#else	454	#else
444	static void	455	static void
445	coro_init_stacks ()	456	coro_init_stacks (pTHX)
446	{	457	{
447	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	458	PL_curstackinfo = new_stackinfo(64, 6);
448	PL_curstackinfo->si_type = PERLSI_MAIN;	459	PL_curstackinfo->si_type = PERLSI_MAIN;
449	PL_curstack = PL_curstackinfo->si_stack;	460	PL_curstack = PL_curstackinfo->si_stack;
450	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	461	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451		462
452	PL_stack_base = AvARRAY(PL_curstack);	463	PL_stack_base = AvARRAY(PL_curstack);
453	PL_stack_sp = PL_stack_base;	464	PL_stack_sp = PL_stack_base;
454	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	465	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
455		466
456	New(50,PL_tmps_stack,128,SV*);	467	New(50,PL_tmps_stack,64,SV*);
457	PL_tmps_floor = -1;	468	PL_tmps_floor = -1;
458	PL_tmps_ix = -1;	469	PL_tmps_ix = -1;
459	PL_tmps_max = 128;	470	PL_tmps_max = 64;
460		471
461	New(54,PL_markstack,32,I32);	472	New(54,PL_markstack,16,I32);
462	PL_markstack_ptr = PL_markstack;	473	PL_markstack_ptr = PL_markstack;
463	PL_markstack_max = PL_markstack + 32;	474	PL_markstack_max = PL_markstack + 16;
464		475
465	#ifdef SET_MARK_OFFSET	476	#ifdef SET_MARK_OFFSET
466	SET_MARK_OFFSET;	477	SET_MARK_OFFSET;
467	#endif	478	#endif
468		479
469	New(54,PL_scopestack,32,I32);	480	New(54,PL_scopestack,16,I32);
470	PL_scopestack_ix = 0;	481	PL_scopestack_ix = 0;
471	PL_scopestack_max = 32;	482	PL_scopestack_max = 16;
472		483
473	New(54,PL_savestack,64,ANY);	484	New(54,PL_savestack,64,ANY);
474	PL_savestack_ix = 0;	485	PL_savestack_ix = 0;
475	PL_savestack_max = 64;	486	PL_savestack_max = 64;
476		487
477	#if !PERL_VERSION_ATLEAST (5,9,0)	488	#if !PERL_VERSION_ATLEAST (5,9,0)
478	New(54,PL_retstack,16,OP*);	489	New(54,PL_retstack,4,OP*);
479	PL_retstack_ix = 0;	490	PL_retstack_ix = 0;
480	PL_retstack_max = 16;	491	PL_retstack_max = 4;
481	#endif	492	#endif
482	}	493	}
483	#endif	494	#endif
484		495
485	/*	496	/*
486	* destroy the stacks, the callchain etc...	497	* destroy the stacks, the callchain etc...
487	*/	498	*/
488	static void	499	static void
489	coro_destroy_stacks ()	500	coro_destroy_stacks (pTHX)
490	{	501	{
491	if (!IN_DESTRUCT)	502	if (!IN_DESTRUCT)
492	{	503	{
493	/* restore all saved variables and stuff */	504	/* restore all saved variables and stuff */
494	LEAVE_SCOPE (0);	505	LEAVE_SCOPE (0);
…		…
527	#if !PERL_VERSION_ATLEAST (5,9,0)	538	#if !PERL_VERSION_ATLEAST (5,9,0)
528	Safefree (PL_retstack);	539	Safefree (PL_retstack);
529	#endif	540	#endif
530	}	541	}
531		542
		543	static size_t
		544	coro_rss (struct coro *coro)
		545	{
		546	size_t rss = sizeof (coro);
		547
		548	if (coro->mainstack)
		549	{
		550	if (coro->flags & CF_RUNNING)
		551	{
		552	#define VAR(name,type)coro->name = PL_ ## name;
		553	# include "state.h"
		554	#undef VAR
		555	}
		556
		557	rss += sizeof (coro->curstackinfo);
		558	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		559	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		561	rss += coro->tmps_max * sizeof (SV *);
		562	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		563	rss += coro->scopestack_max * sizeof (I32);
		564	rss += coro->savestack_max * sizeof (ANY);
		565
		566	#if !PERL_VERSION_ATLEAST (5,9,0)
		567	rss += coro->retstack_max * sizeof (OP *);
		568	#endif
		569	}
		570
		571	return rss;
		572	}
		573
532	/ coroutine stack handling **********************************************/	574	/ coroutine stack handling **********************************************/
533		575
534	static void	576	static void
535	setup_coro (struct coro *coro)	577	setup_coro (pTHX_ struct coro *coro)
536	{	578	{
537	/*	579	/*
538	* emulate part of the perl startup here.	580	* emulate part of the perl startup here.
539	*/	581	*/
540
541	coro_init_stacks ();	582	coro_init_stacks (aTHX);
542		583
543	PL_curcop = &PL_compiling;	584	PL_curcop = &PL_compiling;
544	PL_in_eval = EVAL_NULL;	585	PL_in_eval = EVAL_NULL;
545	PL_comppad = 0;	586	PL_comppad = 0;
546	PL_curpm = 0;	587	PL_curpm = 0;
…		…
558	Zero (&myop, 1, LOGOP);	599	Zero (&myop, 1, LOGOP);
559	myop.op_next = Nullop;	600	myop.op_next = Nullop;
560	myop.op_flags = OPf_WANT_VOID;	601	myop.op_flags = OPf_WANT_VOID;
561		602
562	PUSHMARK (SP);	603	PUSHMARK (SP);
563	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	604	XPUSHs (av_shift (GvAV (PL_defgv)));
564	PUTBACK;	605	PUTBACK;
565	PL_op = (OP *)&myop;	606	PL_op = (OP *)&myop;
566	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	607	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
567	SPAGAIN;	608	SPAGAIN;
568	}	609	}
569		610
570	ENTER; /* necessary e.g. for dounwind */	611	ENTER; /* necessary e.g. for dounwind */
571	}	612	}
572		613
573	static void	614	static void
574	free_coro_mortal ()	615	free_coro_mortal (pTHX)
575	{	616	{
576	if (coro_mortal)	617	if (coro_mortal)
577	{	618	{
578	SvREFCNT_dec (coro_mortal);	619	SvREFCNT_dec (coro_mortal);
579	coro_mortal = 0;	620	coro_mortal = 0;
580	}	621	}
581	}	622	}
582		623
583	/* inject a fake call to Coro::State::_cctx_init into the execution */	624	/* inject a fake call to Coro::State::_cctx_init into the execution */
		625	/* _cctx_init should be careful, as it could be called at almost any time */
		626	/* during execution of a perl program */
584	static void NOINLINE	627	static void NOINLINE
585	prepare_cctx (coro_cctx *cctx)	628	prepare_cctx (pTHX_ coro_cctx *cctx)
586	{	629	{
587	dSP;	630	dSP;
588	LOGOP myop;	631	LOGOP myop;
589		632
590	Zero (&myop, 1, LOGOP);	633	Zero (&myop, 1, LOGOP);
…		…
599	PL_op = (OP *)&myop;	642	PL_op = (OP *)&myop;
600	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	643	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
601	SPAGAIN;	644	SPAGAIN;
602	}	645	}
603		646
		647	/*
		648	* this is a _very_ stripped down perl interpreter ;)
		649	*/
604	static void	650	static void
605	coro_run (void *arg)	651	coro_run (void *arg)
606	{	652	{
		653	dTHX;
		654
607	/* coro_run is the alternative tail of transfer(), so unlock here. */	655	/* coro_run is the alternative tail of transfer(), so unlock here. */
608	UNLOCK;	656	UNLOCK;
609		657
610	/*
611	* this is a _very_ stripped down perl interpreter ;)
612	*/
613	PL_top_env = &PL_start_env;	658	PL_top_env = &PL_start_env;
614		659
615	/* inject call to cctx_init */	660	/* inject a fake subroutine call to cctx_init */
616	prepare_cctx ((coro_cctx *)arg);	661	prepare_cctx (aTHX_ (coro_cctx *)arg);
617		662
618	/* somebody will hit me for both perl_run and PL_restartop */	663	/* somebody or something will hit me for both perl_run and PL_restartop */
619	PL_restartop = PL_op;	664	PL_restartop = PL_op;
620	perl_run (PL_curinterp);	665	perl_run (PL_curinterp);
621		666
622	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	667	/*
623	abort ();	668	* If perl-run returns we assume exit() was being called or the coro
		669	* fell off the end, which seems to be the only valid (non-bug)
		670	* reason for perl_run to return. We try to exit by jumping to the
		671	* bootstrap-time "top" top_env, as we cannot restore the "main"
		672	* coroutine as Coro has no such concept
		673	*/
		674	PL_top_env = main_top_env;
		675	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
624	}	676	}
625		677
626	static coro_cctx *	678	static coro_cctx *
627	cctx_new ()	679	cctx_new ()
628	{	680	{
629	coro_cctx *cctx;	681	coro_cctx *cctx;
		682	void *stack_start;
		683	size_t stack_size;
630		684
631	++cctx_count;	685	++cctx_count;
632		686
633	Newz (0, cctx, 1, coro_cctx);	687	Newz (0, cctx, 1, coro_cctx);
634		688
635	#if HAVE_MMAP	689	#if HAVE_MMAP
636		690
637	cctx->ssize = ((CORO_STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	691	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
638	/* mmap supposedly does allocate-on-write for us */	692	/* 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);	693	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
640		694
641	if (cctx->sptr != (void *)-1)	695	if (cctx->sptr != (void *)-1)
642	{	696	{
643	# if CORO_STACKGUARD	697	# if CORO_STACKGUARD
644	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	698	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
645	# endif	699	# endif
646	REGISTER_STACK (
647	cctx,
648	CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr,	700	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
649	cctx->ssize + (char *)cctx->sptr	701	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
650	);	702	cctx->mapped = 1;
651
652	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
653	}	703	}
654	else	704	else
655	#endif	705	#endif
656	{	706	{
657	cctx->ssize = -CORO_STACKSIZE * (long)sizeof (long);	707	cctx->ssize = coro_stacksize * (long)sizeof (long);
658	New (0, cctx->sptr, CORO_STACKSIZE, long);	708	New (0, cctx->sptr, coro_stacksize, long);
659		709
660	if (!cctx->sptr)	710	if (!cctx->sptr)
661	{	711	{
662	perror ("FATAL: unable to allocate stack for coroutine");	712	perror ("FATAL: unable to allocate stack for coroutine");
663	_exit (EXIT_FAILURE);	713	_exit (EXIT_FAILURE);
664	}	714	}
665		715
666	REGISTER_STACK (	716	stack_start = cctx->sptr;
667	cctx,	717	stack_size = cctx->ssize;
668	(char *)cctx->sptr,	718	}
669	(char *)cctx->sptr - cctx->ssize
670	);
671		719
		720	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
672	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize);	721	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
673	}
674		722
675	return cctx;	723	return cctx;
676	}	724	}
677		725
678	static void	726	static void
…		…
686	#if CORO_USE_VALGRIND	734	#if CORO_USE_VALGRIND
687	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	735	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
688	#endif	736	#endif
689		737
690	#if HAVE_MMAP	738	#if HAVE_MMAP
691	if (cctx->ssize > 0)	739	if (cctx->mapped)
692	munmap (cctx->sptr, cctx->ssize);	740	munmap (cctx->sptr, cctx->ssize);
693	else	741	else
694	#endif	742	#endif
695	Safefree (cctx->sptr);	743	Safefree (cctx->sptr);
696		744
697	Safefree (cctx);	745	Safefree (cctx);
698	}	746	}
699		747
700	static coro_cctx *	748	static coro_cctx *
701	cctx_get ()	749	cctx_get (pTHX)
702	{	750	{
703	coro_cctx *cctx;
704
705	if (cctx_first)	751	while (cctx_first)
706	{	752	{
707	cctx = cctx_first;	753	coro_cctx *cctx = cctx_first;
708	cctx_first = cctx->next;	754	cctx_first = cctx->next;
709	--cctx_idle;	755	--cctx_idle;
		756
		757	if (cctx->ssize >= coro_stacksize)
		758	return cctx;
		759
		760	cctx_destroy (cctx);
710	}	761	}
711	else	762
712	{
713	cctx = cctx_new ();
714	PL_op = PL_op->op_next;	763	PL_op = PL_op->op_next;
715	}
716
717	return cctx;	764	return cctx_new ();
718	}	765	}
719		766
720	static void	767	static void
721	cctx_put (coro_cctx *cctx)	768	cctx_put (coro_cctx *cctx)
722	{	769	{
…		…
738		785
739	/ coroutine switching ***************************************************/	786	/ coroutine switching ***************************************************/
740		787
741	/* never call directly, always through the coro_state_transfer global variable */	788	/* never call directly, always through the coro_state_transfer global variable */
742	static void NOINLINE	789	static void NOINLINE
743	transfer (struct coro prev, struct coro next)	790	transfer (pTHX_ struct coro prev, struct coro next)
744	{	791	{
745	dSTACKLEVEL;	792	dSTACKLEVEL;
746		793
747	/* sometimes transfer is only called to set idle_sp */	794	/* sometimes transfer is only called to set idle_sp */
748	if (!next)	795	if (!next)
…		…
781	if (next->flags & CF_NEW)	828	if (next->flags & CF_NEW)
782	{	829	{
783	/* need to start coroutine */	830	/* need to start coroutine */
784	next->flags &= ~CF_NEW;	831	next->flags &= ~CF_NEW;
785	/* first get rid of the old state */	832	/* first get rid of the old state */
786	save_perl (prev);	833	save_perl (aTHX_ prev);
787	/* setup coroutine call */	834	/* setup coroutine call */
788	setup_coro (next);	835	setup_coro (aTHX_ next);
789	/* need a new stack */	836	/* need a new stack */
790	assert (!next->cctx);	837	assert (!next->cctx);
791	}	838	}
792	else	839	else
793	{	840	{
794	/* coroutine already started */	841	/* coroutine already started */
795	save_perl (prev);	842	save_perl (aTHX_ prev);
796	load_perl (next);	843	load_perl (aTHX_ next);
797	}	844	}
798		845
799	prev__cctx = prev->cctx;	846	prev__cctx = prev->cctx;
800		847
801	/* possibly "free" the cctx */	848	/* possibly "free" the cctx */
…		…
810	prev__cctx->inuse = 0;	857	prev__cctx->inuse = 0;
811	}	858	}
812		859
813	if (!next->cctx)	860	if (!next->cctx)
814	{	861	{
815	next->cctx = cctx_get ();	862	next->cctx = cctx_get (aTHX);
816	assert (!next->cctx->inuse);	863	assert (!next->cctx->inuse);
817	next->cctx->inuse = 1;	864	next->cctx->inuse = 1;
818	}	865	}
819		866
820	if (prev__cctx != next->cctx)	867	if (prev__cctx != next->cctx)
…		…
822	prev__cctx->top_env = PL_top_env;	869	prev__cctx->top_env = PL_top_env;
823	PL_top_env = next->cctx->top_env;	870	PL_top_env = next->cctx->top_env;
824	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	871	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
825	}	872	}
826		873
827	free_coro_mortal ();	874	free_coro_mortal (aTHX);
828	UNLOCK;	875	UNLOCK;
829	}	876	}
830	}	877	}
831		878
832	struct transfer_args	879	struct transfer_args
833	{	880	{
834	struct coro prev, next;	881	struct coro prev, next;
835	};	882	};
836		883
837	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	884	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
838		885
839	/ high level stuff ******************************************************/	886	/ high level stuff ******************************************************/
840		887
841	static int	888	static int
842	coro_state_destroy (struct coro *coro)	889	coro_state_destroy (pTHX_ struct coro *coro)
843	{	890	{
844	if (coro->flags & CF_DESTROYED)	891	if (coro->flags & CF_DESTROYED)
845	return 0;	892	return 0;
846		893
847	coro->flags \|= CF_DESTROYED;	894	coro->flags \|= CF_DESTROYED;
…		…
867	temp.save = CORO_SAVE_ALL;	914	temp.save = CORO_SAVE_ALL;
868		915
869	if (coro->flags & CF_RUNNING)	916	if (coro->flags & CF_RUNNING)
870	croak ("FATAL: tried to destroy currently running coroutine");	917	croak ("FATAL: tried to destroy currently running coroutine");
871		918
872	save_perl (&temp);	919	save_perl (aTHX_ &temp);
873	load_perl (coro);	920	load_perl (aTHX_ coro);
874		921
875	coro_destroy_stacks ();	922	coro_destroy_stacks (aTHX);
876		923
877	load_perl (&temp); /* this will get rid of defsv etc.. */	924	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
878		925
879	coro->mainstack = 0;	926	coro->mainstack = 0;
880	}	927	}
881		928
882	cctx_destroy (coro->cctx);	929	cctx_destroy (coro->cctx);
883	SvREFCNT_dec (coro->args);	930	SvREFCNT_dec (coro->args);
884		931
		932	if (coro->next) coro->next->prev = coro->prev;
		933	if (coro->prev) coro->prev->next = coro->next;
		934	if (coro == coro_first) coro_first = coro->next;
		935
885	return 1;	936	return 1;
886	}	937	}
887		938
888	static int	939	static int
889	coro_state_free (pTHX_ SV sv, MAGIC mg)	940	coro_state_free (pTHX_ SV sv, MAGIC mg)
890	{	941	{
891	struct coro coro = (struct coro )mg->mg_ptr;	942	struct coro coro = (struct coro )mg->mg_ptr;
892	mg->mg_ptr = 0;	943	mg->mg_ptr = 0;
893		944
		945	coro->hv = 0;
		946
894	if (--coro->refcnt < 0)	947	if (--coro->refcnt < 0)
895	{	948	{
896	coro_state_destroy (coro);	949	coro_state_destroy (aTHX_ coro);
897	Safefree (coro);	950	Safefree (coro);
898	}	951	}
899		952
900	return 0;	953	return 0;
901	}	954	}
…		…
920	# define MGf_DUP 0	973	# define MGf_DUP 0
921	#endif	974	#endif
922	};	975	};
923		976
924	static struct coro *	977	static struct coro *
925	SvSTATE (SV *coro)	978	SvSTATE_ (pTHX_ SV *coro)
926	{	979	{
927	HV *stash;	980	HV *stash;
928	MAGIC *mg;	981	MAGIC *mg;
929		982
930	if (SvROK (coro))	983	if (SvROK (coro))
…		…
940		993
941	mg = CORO_MAGIC (coro);	994	mg = CORO_MAGIC (coro);
942	return (struct coro *)mg->mg_ptr;	995	return (struct coro *)mg->mg_ptr;
943	}	996	}
944		997
		998	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		999
945	static void	1000	static void
946	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	1001	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
947	{	1002	{
948	ta->prev = SvSTATE (prev_sv);	1003	ta->prev = SvSTATE (prev_sv);
949	ta->next = SvSTATE (next_sv);	1004	ta->next = SvSTATE (next_sv);
950	}	1005	}
951		1006
952	static void	1007	static void
953	api_transfer (SV prev_sv, SV next_sv)	1008	api_transfer (SV prev_sv, SV next_sv)
954	{	1009	{
		1010	dTHX;
955	struct transfer_args ta;	1011	struct transfer_args ta;
956		1012
957	prepare_transfer (&ta, prev_sv, next_sv);	1013	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
958	TRANSFER (ta);	1014	TRANSFER (ta);
959	}	1015	}
960		1016
961	static int	1017	static int
962	api_save (SV *coro_sv, int new_save)	1018	api_save (SV *coro_sv, int new_save)
963	{	1019	{
		1020	dTHX;
964	struct coro *coro = SvSTATE (coro_sv);	1021	struct coro *coro = SvSTATE (coro_sv);
965	int old_save = coro->save;	1022	int old_save = coro->save;
966		1023
967	if (new_save >= 0)	1024	if (new_save >= 0)
968	coro->save = new_save;	1025	coro->save = new_save;
…		…
971	}	1028	}
972		1029
973	/ Coro ******************************************************************/	1030	/ Coro ******************************************************************/
974		1031
975	static void	1032	static void
976	coro_enq (SV *coro_sv)	1033	coro_enq (pTHX_ SV *coro_sv)
977	{	1034	{
978	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1035	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
979	}	1036	}
980		1037
981	static SV *	1038	static SV *
982	coro_deq (int min_prio)	1039	coro_deq (pTHX_ int min_prio)
983	{	1040	{
984	int prio = PRIO_MAX - PRIO_MIN;	1041	int prio = PRIO_MAX - PRIO_MIN;
985		1042
986	min_prio -= PRIO_MIN;	1043	min_prio -= PRIO_MIN;
987	if (min_prio < 0)	1044	if (min_prio < 0)
…		…
995	}	1052	}
996		1053
997	static int	1054	static int
998	api_ready (SV *coro_sv)	1055	api_ready (SV *coro_sv)
999	{	1056	{
		1057	dTHX;
1000	struct coro *coro;	1058	struct coro *coro;
1001		1059
1002	if (SvROK (coro_sv))	1060	if (SvROK (coro_sv))
1003	coro_sv = SvRV (coro_sv);	1061	coro_sv = SvRV (coro_sv);
1004		1062
…		…
1008	return 0;	1066	return 0;
1009		1067
1010	coro->flags \|= CF_READY;	1068	coro->flags \|= CF_READY;
1011		1069
1012	LOCK;	1070	LOCK;
1013	coro_enq (SvREFCNT_inc (coro_sv));	1071	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1014	++coro_nready;	1072	++coro_nready;
1015	UNLOCK;	1073	UNLOCK;
1016		1074
1017	return 1;	1075	return 1;
1018	}	1076	}
1019		1077
1020	static int	1078	static int
1021	api_is_ready (SV *coro_sv)	1079	api_is_ready (SV *coro_sv)
1022	{	1080	{
		1081	dTHX;
1023	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1082	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1024	}	1083	}
1025		1084
1026	static void	1085	static void
1027	prepare_schedule (struct transfer_args *ta)	1086	prepare_schedule (pTHX_ struct transfer_args *ta)
1028	{	1087	{
1029	SV prev_sv, next_sv;	1088	SV prev_sv, next_sv;
1030		1089
1031	for (;;)	1090	for (;;)
1032	{	1091	{
1033	LOCK;	1092	LOCK;
1034	next_sv = coro_deq (PRIO_MIN);	1093	next_sv = coro_deq (aTHX_ PRIO_MIN);
1035		1094
1036	/* nothing to schedule: call the idle handler */	1095	/* nothing to schedule: call the idle handler */
1037	if (!next_sv)	1096	if (!next_sv)
1038	{	1097	{
1039	dSP;	1098	dSP;
…		…
1074		1133
1075	assert (ta->next->flags & CF_READY);	1134	assert (ta->next->flags & CF_READY);
1076	ta->next->flags &= ~CF_READY;	1135	ta->next->flags &= ~CF_READY;
1077		1136
1078	LOCK;	1137	LOCK;
1079	free_coro_mortal ();	1138	free_coro_mortal (aTHX);
1080	coro_mortal = prev_sv;	1139	coro_mortal = prev_sv;
1081	UNLOCK;	1140	UNLOCK;
1082	}	1141	}
1083		1142
1084	static void	1143	static void
1085	prepare_cede (struct transfer_args *ta)	1144	prepare_cede (pTHX_ struct transfer_args *ta)
1086	{	1145	{
1087	api_ready (coro_current);	1146	api_ready (coro_current);
1088	prepare_schedule (ta);	1147	prepare_schedule (aTHX_ ta);
1089	}	1148	}
1090		1149
1091	static int	1150	static int
1092	prepare_cede_notself (struct transfer_args *ta)	1151	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1093	{	1152	{
1094	if (coro_nready)	1153	if (coro_nready)
1095	{	1154	{
1096	SV *prev = SvRV (coro_current);	1155	SV *prev = SvRV (coro_current);
1097	prepare_schedule (ta);	1156	prepare_schedule (aTHX_ ta);
1098	api_ready (prev);	1157	api_ready (prev);
1099	return 1;	1158	return 1;
1100	}	1159	}
1101	else	1160	else
1102	return 0;	1161	return 0;
1103	}	1162	}
1104		1163
1105	static void	1164	static void
1106	api_schedule (void)	1165	api_schedule (void)
1107	{	1166	{
		1167	dTHX;
1108	struct transfer_args ta;	1168	struct transfer_args ta;
1109		1169
1110	prepare_schedule (&ta);	1170	prepare_schedule (aTHX_ &ta);
1111	TRANSFER (ta);	1171	TRANSFER (ta);
1112	}	1172	}
1113		1173
1114	static int	1174	static int
1115	api_cede (void)	1175	api_cede (void)
1116	{	1176	{
		1177	dTHX;
1117	struct transfer_args ta;	1178	struct transfer_args ta;
1118		1179
1119	prepare_cede (&ta);	1180	prepare_cede (aTHX_ &ta);
1120		1181
1121	if (ta.prev != ta.next)	1182	if (ta.prev != ta.next)
1122	{	1183	{
1123	TRANSFER (ta);	1184	TRANSFER (ta);
1124	return 1;	1185	return 1;
…		…
1128	}	1189	}
1129		1190
1130	static int	1191	static int
1131	api_cede_notself (void)	1192	api_cede_notself (void)
1132	{	1193	{
		1194	dTHX;
1133	struct transfer_args ta;	1195	struct transfer_args ta;
1134		1196
1135	if (prepare_cede_notself (&ta))	1197	if (prepare_cede_notself (aTHX_ &ta))
1136	{	1198	{
1137	TRANSFER (ta);	1199	TRANSFER (ta);
1138	return 1;	1200	return 1;
1139	}	1201	}
1140	else	1202	else
…		…
1156		1218
1157	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1219	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1158	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1220	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1159	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1221	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1160	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1222	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1223	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1224	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1161	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1225	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1162		1226
1163	main_mainstack = PL_mainstack;	1227	main_mainstack = PL_mainstack;
		1228	main_top_env = PL_top_env;
		1229
		1230	while (main_top_env->je_prev)
		1231	main_top_env = main_top_env->je_prev;
1164		1232
1165	coroapi.ver = CORO_API_VERSION;	1233	coroapi.ver = CORO_API_VERSION;
1166	coroapi.transfer = api_transfer;	1234	coroapi.transfer = api_transfer;
1167		1235
1168	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1236	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1176	HV *hv;	1244	HV *hv;
1177	int i;	1245	int i;
1178		1246
1179	Newz (0, coro, 1, struct coro);	1247	Newz (0, coro, 1, struct coro);
1180	coro->args = newAV ();	1248	coro->args = newAV ();
1181	coro->save = CORO_SAVE_ALL;	1249	coro->save = CORO_SAVE_DEF;
1182	coro->flags = CF_NEW;	1250	coro->flags = CF_NEW;
1183		1251
		1252	if (coro_first) coro_first->prev = coro;
		1253	coro->next = coro_first;
		1254	coro_first = coro;
		1255
1184	hv = newHV ();	1256	coro->hv = hv = newHV ();
1185	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1257	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));	1258	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1187		1259
1188	for (i = 1; i < items; i++)	1260	for (i = 1; i < items; i++)
1189	av_push (coro->args, newSVsv (ST (i)));	1261	av_push (coro->args, newSVsv (ST (i)));
…		…
1193		1265
1194	int	1266	int
1195	save (SV *coro, int new_save = -1)	1267	save (SV *coro, int new_save = -1)
1196	CODE:	1268	CODE:
1197	RETVAL = api_save (coro, new_save);	1269	RETVAL = api_save (coro, new_save);
		1270	OUTPUT:
		1271	RETVAL
		1272
		1273	int
		1274	save_also (SV *coro_sv, int save_also)
		1275	CODE:
		1276	{
		1277	struct coro *coro = SvSTATE (coro_sv);
		1278	RETVAL = coro->save;
		1279	coro->save \|= save_also;
		1280	}
1198	OUTPUT:	1281	OUTPUT:
1199	RETVAL	1282	RETVAL
1200		1283
1201	void	1284	void
1202	_set_stacklevel (...)	1285	_set_stacklevel (...)
…		…
1218		1301
1219	case 1:	1302	case 1:
1220	if (items != 2)	1303	if (items != 2)
1221	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1304	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1222		1305
1223	prepare_transfer (&ta, ST (0), ST (1));	1306	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1224	break;	1307	break;
1225		1308
1226	case 2:	1309	case 2:
1227	prepare_schedule (&ta);	1310	prepare_schedule (aTHX_ &ta);
1228	break;	1311	break;
1229		1312
1230	case 3:	1313	case 3:
1231	prepare_cede (&ta);	1314	prepare_cede (aTHX_ &ta);
1232	break;	1315	break;
1233		1316
1234	case 4:	1317	case 4:
1235	if (!prepare_cede_notself (&ta))	1318	if (!prepare_cede_notself (aTHX_ &ta))
1236	XSRETURN_EMPTY;	1319	XSRETURN_EMPTY;
1237		1320
1238	break;	1321	break;
1239	}	1322	}
1240		1323
…		…
1246	}	1329	}
1247		1330
1248	bool	1331	bool
1249	_destroy (SV *coro_sv)	1332	_destroy (SV *coro_sv)
1250	CODE:	1333	CODE:
1251	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1334	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1252	OUTPUT:	1335	OUTPUT:
1253	RETVAL	1336	RETVAL
1254		1337
1255	void	1338	void
1256	_exit (code)	1339	_exit (code)
…		…
1258	PROTOTYPE: $	1341	PROTOTYPE: $
1259	CODE:	1342	CODE:
1260	_exit (code);	1343	_exit (code);
1261		1344
1262	int	1345	int
		1346	cctx_stacksize (int new_stacksize = 0)
		1347	CODE:
		1348	RETVAL = coro_stacksize;
		1349	if (new_stacksize)
		1350	coro_stacksize = new_stacksize;
		1351	OUTPUT:
		1352	RETVAL
		1353
		1354	int
1263	cctx_count ()	1355	cctx_count ()
1264	CODE:	1356	CODE:
1265	RETVAL = cctx_count;	1357	RETVAL = cctx_count;
1266	OUTPUT:	1358	OUTPUT:
1267	RETVAL	1359	RETVAL
…		…
1270	cctx_idle ()	1362	cctx_idle ()
1271	CODE:	1363	CODE:
1272	RETVAL = cctx_idle;	1364	RETVAL = cctx_idle;
1273	OUTPUT:	1365	OUTPUT:
1274	RETVAL	1366	RETVAL
		1367
		1368	void
		1369	list ()
		1370	PPCODE:
		1371	{
		1372	struct coro *coro;
		1373	for (coro = coro_first; coro; coro = coro->next)
		1374	if (coro->hv)
		1375	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1376	}
		1377
		1378	void
		1379	_eval (Coro::State coro, SV *coderef)
		1380	CODE:
		1381	{
		1382	if (coro->mainstack)
		1383	{
		1384	struct coro temp;
		1385	Zero (&temp, 1, struct coro);
		1386	temp.save = CORO_SAVE_ALL;
		1387
		1388	if (!(coro->flags & CF_RUNNING))
		1389	{
		1390	save_perl (aTHX_ &temp);
		1391	load_perl (aTHX_ coro);
		1392	}
		1393
		1394	{
		1395	dSP;
		1396	ENTER;
		1397	SAVETMPS;
		1398	PUSHMARK (SP);
		1399	PUTBACK;
		1400	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1401	SPAGAIN;
		1402	FREETMPS;
		1403	LEAVE;
		1404	PUTBACK;
		1405	}
		1406
		1407	if (!(coro->flags & CF_RUNNING))
		1408	{
		1409	save_perl (aTHX_ coro);
		1410	load_perl (aTHX_ &temp);
		1411	}
		1412	}
		1413	}
		1414
		1415	SV *
		1416	is_ready (Coro::State coro)
		1417	PROTOTYPE: $
		1418	ALIAS:
		1419	is_ready = CF_READY
		1420	is_running = CF_RUNNING
		1421	is_new = CF_NEW
		1422	is_destroyed = CF_DESTROYED
		1423	CODE:
		1424	RETVAL = boolSV (coro->flags & ix);
		1425	OUTPUT:
		1426	RETVAL
		1427
		1428	IV
		1429	rss (Coro::State coro)
		1430	PROTOTYPE: $
		1431	CODE:
		1432	RETVAL = coro_rss (coro);
		1433	OUTPUT:
		1434	RETVAL
		1435
1275		1436
1276	MODULE = Coro::State PACKAGE = Coro	1437	MODULE = Coro::State PACKAGE = Coro
1277		1438
1278	BOOT:	1439	BOOT:
1279	{	1440	{
…		…
1347	CODE:	1508	CODE:
1348	RETVAL = boolSV (api_ready (self));	1509	RETVAL = boolSV (api_ready (self));
1349	OUTPUT:	1510	OUTPUT:
1350	RETVAL	1511	RETVAL
1351		1512
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	1513	int
1361	nready (...)	1514	nready (...)
1362	PROTOTYPE:	1515	PROTOTYPE:
1363	CODE:	1516	CODE:
1364	RETVAL = coro_nready;	1517	RETVAL = coro_nready;

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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 1.158 by root, Fri Sep 21 02:23:48 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 1.158 by root, Fri Sep 21 02:23:48 2007 UTC