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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
2		2
3	#define PERL_NO_GET_CONTEXT	3	#define PERL_NO_GET_CONTEXT
		4	#define PERL_EXT
4		5
5	#include "EXTERN.h"	6	#include "EXTERN.h"
6	#include "perl.h"	7	#include "perl.h"
7	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
8		10
9	#include "patchlevel.h"	11	#include "patchlevel.h"
10		12
11	#include <stdio.h>	13	#include <stdio.h>
12	#include <errno.h>	14	#include <errno.h>
13	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
		23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
14		25
15	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
16	# include <unistd.h>	27	# include <unistd.h>
17	# include <sys/mman.h>	28	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
70	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
71	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
72	# endif	83	# endif
73	#endif	84	#endif
74		85
		86	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93
		94	/* 5.11 */
		95	#ifndef CxHASARGS
		96	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		97	#endif
		98
75	/* 5.8.7 */	99	/* 5.8.7 */
76	#ifndef SvRV_set	100	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif
79
80	/* 5.8.8 */
81	#ifndef GV_NOTQUAL
82	# define GV_NOTQUAL 0
83	#endif
84	#ifndef newSV
85	# define newSV(l) NEWSV(0,l)
86	#endif	102	#endif
87		103
88	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
89	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
90	#endif	106	#endif
…		…
138	I32 laststype;	154	I32 laststype;
139	int laststatval;	155	int laststatval;
140	Stat_t statcache;	156	Stat_t statcache;
141	};	157	};
142		158
		159	static double (nvtime)(); / so why doesn't it take void? */
		160
143	static size_t coro_stacksize = CORO_STACKSIZE;	161	static size_t coro_stacksize = CORO_STACKSIZE;
144	static struct CoroAPI coroapi;	162	static struct CoroAPI coroapi;
145	static AV main_mainstack; / used to differentiate between $main and others */	163	static AV main_mainstack; / used to differentiate between $main and others */
146	static JMPENV *main_top_env;	164	static JMPENV *main_top_env;
147	static HV coro_state_stash, coro_stash;	165	static HV coro_state_stash, coro_stash;
148	static SV coro_mortal; / will be freed after next transfer */	166	static volatile SV coro_mortal; / will be freed after next transfer */
149		167
150	static GV irsgv; / $/ */	168	static GV irsgv; / $/ */
151	static GV stdoutgv; / STDOUT /	169	static GV stdoutgv; / STDOUT /
		170	static SV *rv_diehook;
		171	static SV *rv_warnhook;
		172	static HV hv_sig; / %SIG */
152		173
153	/* async_pool helper stuff */	174	/* async_pool helper stuff */
154	static SV *sv_pool_rss;	175	static SV *sv_pool_rss;
155	static SV *sv_pool_size;	176	static SV *sv_pool_size;
156	static AV *av_async_pool;	177	static AV *av_async_pool;
		178
		179	/* Coro::AnyEvent */
		180	static SV *sv_activity;
157		181
158	static struct coro_cctx *cctx_first;	182	static struct coro_cctx *cctx_first;
159	static int cctx_count, cctx_idle;	183	static int cctx_count, cctx_idle;
160		184
161	enum {	185	enum {
…		…
192	CF_READY = 0x0002, /* coroutine is ready */	216	CF_READY = 0x0002, /* coroutine is ready */
193	CF_NEW = 0x0004, /* has never been switched to */	217	CF_NEW = 0x0004, /* has never been switched to */
194	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	218	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
195	};	219	};
196		220
		221	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		222	typedef struct {
		223	SV *defsv;
		224	AV *defav;
		225	SV *errsv;
		226	SV *irsgv;
		227	#define VAR(name,type) type name;
		228	# include "state.h"
		229	#undef VAR
		230	} perl_slots;
		231
		232	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		233
197	/* this is a structure representing a perl-level coroutine */	234	/* this is a structure representing a perl-level coroutine */
198	struct coro {	235	struct coro {
199	/* the c coroutine allocated to this perl coroutine, if any */	236	/* the c coroutine allocated to this perl coroutine, if any */
200	coro_cctx *cctx;	237	coro_cctx *cctx;
201		238
		239	/* process data */
		240	AV *mainstack;
		241	perl_slots slot; / basically the saved sp */
		242
202	/* data associated with this coroutine (initial args) */	243	AV args; / data associated with this coroutine (initial args) */
203	AV *args;	244	int refcnt; /* coroutines are refcounted, yes */
204	int refcnt;
205	int flags; /* CF_ flags */	245	int flags; /* CF_ flags */
206		246	HV hv; / the perl hash associated with this coro, if any */
207	/* optionally saved, might be zero */
208	AV defav; / @_ */
209	SV defsv; / $_ */
210	SV errsv; / $@ */
211	SV deffh; / default filehandle */
212	SV irssv; / $/ */
213	SV irssv_sv; / real $/ cache */
214
215	#define VAR(name,type) type name;
216	# include "state.h"
217	#undef VAR
218		247
219	/* statistics */	248	/* statistics */
220	int usecount; /* number of transfers to this coro */	249	int usecount; /* number of transfers to this coro */
221		250
222	/* coro process data */	251	/* coro process data */
223	int prio;	252	int prio;
224	//SV *throw;	253	SV throw; / exception to be thrown */
225		254
226	/* async_pool */	255	/* async_pool */
227	SV *saved_deffh;	256	SV *saved_deffh;
228		257
229	/* linked list */	258	/* linked list */
230	struct coro next, prev;	259	struct coro next, prev;
231	HV hv; / the perl hash associated with this coro, if any */
232	};	260	};
233		261
234	typedef struct coro *Coro__State;	262	typedef struct coro *Coro__State;
235	typedef struct coro *Coro__State_or_hashref;	263	typedef struct coro *Coro__State_or_hashref;
236		264
…		…
243	#define PRIO_IDLE -3	271	#define PRIO_IDLE -3
244	#define PRIO_MIN -4	272	#define PRIO_MIN -4
245		273
246	/* for Coro.pm */	274	/* for Coro.pm */
247	static SV *coro_current;	275	static SV *coro_current;
		276	static SV *coro_readyhook;
248	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	277	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
249	static int coro_nready;	278	static int coro_nready;
250	static struct coro *coro_first;	279	static struct coro *coro_first;
251		280
252	/ lowlevel stuff ********************************************************/	281	/ lowlevel stuff ********************************************************/
253		282
		283	static SV *
		284	coro_get_sv (pTHX_ const char *name, int create)
		285	{
		286	#if PERL_VERSION_ATLEAST (5,10,0)
		287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		288	get_sv (name, create);
		289	#endif
		290	return get_sv (name, create);
		291	}
		292
		293	static AV *
		294	coro_get_av (pTHX_ const char *name, int create)
		295	{
		296	#if PERL_VERSION_ATLEAST (5,10,0)
		297	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		298	get_av (name, create);
		299	#endif
		300	return get_av (name, create);
		301	}
		302
		303	static HV *
		304	coro_get_hv (pTHX_ const char *name, int create)
		305	{
		306	#if PERL_VERSION_ATLEAST (5,10,0)
		307	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		308	get_hv (name, create);
		309	#endif
		310	return get_hv (name, create);
		311	}
		312
254	static AV *	313	static AV *
255	coro_clone_padlist (pTHX_ CV *cv)	314	coro_clone_padlist (pTHX_ CV *cv)
256	{	315	{
257	AV *padlist = CvPADLIST (cv);	316	AV *padlist = CvPADLIST (cv);
258	AV newpadlist, newpad;	317	AV newpadlist, newpad;
259		318
260	newpadlist = newAV ();	319	newpadlist = newAV ();
261	AvREAL_off (newpadlist);	320	AvREAL_off (newpadlist);
262	#if PERL_VERSION_ATLEAST (5,9,0)	321	#if PERL_VERSION_ATLEAST (5,10,0)
263	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	322	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
264	#else	323	#else
265	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	324	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
266	#endif	325	#endif
267	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	326	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
305		364
306	/* casting is fun. */	365	/* casting is fun. */
307	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	366	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
308	free_padlist (aTHX_ padlist);	367	free_padlist (aTHX_ padlist);
309		368
310	SvREFCNT_dec (av);	369	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
311		370
312	return 0;	371	return 0;
313	}	372	}
314		373
315	#define PERL_MAGIC_coro PERL_MAGIC_ext	374	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		375	#define CORO_MAGIC_type_state PERL_MAGIC_ext
316		376
317	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	377	static MGVTBL coro_cv_vtbl = {
		378	0, 0, 0, 0,
		379	coro_cv_free
		380	};
318		381
319	#define CORO_MAGIC(cv) \	382	#define CORO_MAGIC(sv,type) \
320	SvMAGIC (cv) \	383	SvMAGIC (sv) \
321	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	384	? SvMAGIC (sv)->mg_type == type \
322	? SvMAGIC (cv) \	385	? SvMAGIC (sv) \
323	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	386	: mg_find (sv, type) \
324	: 0	387	: 0
		388
		389	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		390	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
325		391
326	static struct coro *	392	static struct coro *
327	SvSTATE_ (pTHX_ SV *coro)	393	SvSTATE_ (pTHX_ SV *coro)
328	{	394	{
329	HV *stash;	395	HV *stash;
…		…
341	/* very slow, but rare, check */	407	/* very slow, but rare, check */
342	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
343	croak ("Coro::State object required");	409	croak ("Coro::State object required");
344	}	410	}
345		411
346	mg = CORO_MAGIC (coro);	412	mg = CORO_MAGIC_state (coro);
347	return (struct coro *)mg->mg_ptr;	413	return (struct coro *)mg->mg_ptr;
348	}	414	}
349		415
350	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
351		417
352	/* the next two functions merely cache the padlists */	418	/* the next two functions merely cache the padlists */
353	static void	419	static void
354	get_padlist (pTHX_ CV *cv)	420	get_padlist (pTHX_ CV *cv)
355	{	421	{
356	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
357	AV *av;	423	AV *av;
358		424
359	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	425	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
360	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	426	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
361	else	427	else
362	{	428	{
363	#if CORO_PREFER_PERL_FUNCTIONS	429	#if CORO_PREFER_PERL_FUNCTIONS
364	/* this is probably cleaner, but also slower? */	430	/* this is probably cleaner? but also slower! */
		431	/* in practise, it seems to be less stable */
365	CV *cp = Perl_cv_clone (cv);	432	CV *cp = Perl_cv_clone (cv);
366	CvPADLIST (cv) = CvPADLIST (cp);	433	CvPADLIST (cv) = CvPADLIST (cp);
367	CvPADLIST (cp) = 0;	434	CvPADLIST (cp) = 0;
368	SvREFCNT_dec (cp);	435	SvREFCNT_dec (cp);
369	#else	436	#else
…		…
373	}	440	}
374		441
375	static void	442	static void
376	put_padlist (pTHX_ CV *cv)	443	put_padlist (pTHX_ CV *cv)
377	{	444	{
378	MAGIC *mg = CORO_MAGIC (cv);	445	MAGIC *mg = CORO_MAGIC_cv (cv);
379	AV *av;	446	AV *av;
380		447
381	if (expect_false (!mg))	448	if (expect_false (!mg))
382	{	449	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
383	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
384	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
385	mg->mg_virtual = &vtbl_coro;
386	mg->mg_obj = (SV *)newAV ();
387	}
388		450
389	av = (AV *)mg->mg_obj;	451	av = (AV *)mg->mg_obj;
390		452
391	if (expect_false (AvFILLp (av) >= AvMAX (av)))	453	if (expect_false (AvFILLp (av) >= AvMAX (av)))
392	av_extend (av, AvMAX (av) + 1);	454	av_extend (av, AvMAX (av) + 1);
…		…
397	/ load & save, init *****************************************************/	459	/ load & save, init *****************************************************/
398		460
399	static void	461	static void
400	load_perl (pTHX_ Coro__State c)	462	load_perl (pTHX_ Coro__State c)
401	{	463	{
		464	perl_slots *slot = c->slot;
		465	c->slot = 0;
		466
		467	PL_mainstack = c->mainstack;
		468
		469	GvSV (PL_defgv) = slot->defsv;
		470	GvAV (PL_defgv) = slot->defav;
		471	GvSV (PL_errgv) = slot->errsv;
		472	GvSV (irsgv) = slot->irsgv;
		473
402	#define VAR(name,type) PL_ ## name = c->name;	474	#define VAR(name,type) PL_ ## name = slot->name;
403	# include "state.h"	475	# include "state.h"
404	#undef VAR	476	#undef VAR
405
406	GvSV (PL_defgv) = c->defsv;
407	GvAV (PL_defgv) = c->defav;
408	GvSV (PL_errgv) = c->errsv;
409	GvSV (irsgv) = c->irssv_sv;
410		477
411	{	478	{
412	dSP;	479	dSP;
		480
413	CV *cv;	481	CV *cv;
414		482
415	/* now do the ugly restore mess */	483	/* now do the ugly restore mess */
416	while (expect_true (cv = (CV *)POPs))	484	while (expect_true (cv = (CV *)POPs))
417	{	485	{
…		…
452		520
453	if (expect_true (CvDEPTH (cv)))	521	if (expect_true (CvDEPTH (cv)))
454	{	522	{
455	EXTEND (SP, 3);	523	EXTEND (SP, 3);
456	PUSHs ((SV *)CvPADLIST (cv));	524	PUSHs ((SV *)CvPADLIST (cv));
457	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	525	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
458	PUSHs ((SV *)cv);	526	PUSHs ((SV *)cv);
459		527
460	CvDEPTH (cv) = 0;	528	CvDEPTH (cv) = 0;
461	get_padlist (aTHX_ cv);	529	get_padlist (aTHX_ cv);
462	}	530	}
…		…
472	}	540	}
473		541
474	PUTBACK;	542	PUTBACK;
475	}	543	}
476		544
		545	/* allocate some space on the context stack for our purposes */
		546	/* we manually unroll here, as usually 2 slots is enough */
		547	if (SLOT_COUNT >= 1) CXINC;
		548	if (SLOT_COUNT >= 2) CXINC;
		549	if (SLOT_COUNT >= 3) CXINC;
		550	{
		551	int i;
		552	for (i = 3; i < SLOT_COUNT; ++i)
		553	CXINC;
		554	}
		555	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		556
		557	c->mainstack = PL_mainstack;
		558
		559	{
		560	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		561
477	c->defav = GvAV (PL_defgv);	562	slot->defav = GvAV (PL_defgv);
478	c->defsv = DEFSV;	563	slot->defsv = DEFSV;
479	c->errsv = ERRSV;	564	slot->errsv = ERRSV;
480	c->irssv_sv = GvSV (irsgv);	565	slot->irsgv = GvSV (irsgv);
481		566
482	#define VAR(name,type)c->name = PL_ ## name;	567	#define VAR(name,type) slot->name = PL_ ## name;
483	# include "state.h"	568	# include "state.h"
484	#undef VAR	569	#undef VAR
		570	}
485	}	571	}
486		572
487	/*	573	/*
488	* allocate various perl stacks. This is an exact copy	574	* allocate various perl stacks. This is an exact copy
489	* of perl.c:init_stacks, except that it uses less memory	575	* of perl.c:init_stacks, except that it uses less memory
…		…
494	# define coro_init_stacks init_stacks	580	# define coro_init_stacks init_stacks
495	#else	581	#else
496	static void	582	static void
497	coro_init_stacks (pTHX)	583	coro_init_stacks (pTHX)
498	{	584	{
499	PL_curstackinfo = new_stackinfo(64, 6);	585	PL_curstackinfo = new_stackinfo(32, 8);
500	PL_curstackinfo->si_type = PERLSI_MAIN;	586	PL_curstackinfo->si_type = PERLSI_MAIN;
501	PL_curstack = PL_curstackinfo->si_stack;	587	PL_curstack = PL_curstackinfo->si_stack;
502	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	588	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
503		589
504	PL_stack_base = AvARRAY(PL_curstack);	590	PL_stack_base = AvARRAY(PL_curstack);
505	PL_stack_sp = PL_stack_base;	591	PL_stack_sp = PL_stack_base;
506	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	592	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
507		593
508	New(50,PL_tmps_stack,64,SV*);	594	New(50,PL_tmps_stack,32,SV*);
509	PL_tmps_floor = -1;	595	PL_tmps_floor = -1;
510	PL_tmps_ix = -1;	596	PL_tmps_ix = -1;
511	PL_tmps_max = 64;	597	PL_tmps_max = 32;
512		598
513	New(54,PL_markstack,16,I32);	599	New(54,PL_markstack,16,I32);
514	PL_markstack_ptr = PL_markstack;	600	PL_markstack_ptr = PL_markstack;
515	PL_markstack_max = PL_markstack + 16;	601	PL_markstack_max = PL_markstack + 16;
516		602
517	#ifdef SET_MARK_OFFSET	603	#ifdef SET_MARK_OFFSET
518	SET_MARK_OFFSET;	604	SET_MARK_OFFSET;
519	#endif	605	#endif
520		606
521	New(54,PL_scopestack,16,I32);	607	New(54,PL_scopestack,8,I32);
522	PL_scopestack_ix = 0;	608	PL_scopestack_ix = 0;
523	PL_scopestack_max = 16;	609	PL_scopestack_max = 8;
524		610
525	New(54,PL_savestack,64,ANY);	611	New(54,PL_savestack,24,ANY);
526	PL_savestack_ix = 0;	612	PL_savestack_ix = 0;
527	PL_savestack_max = 64;	613	PL_savestack_max = 24;
528		614
529	#if !PERL_VERSION_ATLEAST (5,9,0)	615	#if !PERL_VERSION_ATLEAST (5,10,0)
530	New(54,PL_retstack,4,OP*);	616	New(54,PL_retstack,4,OP*);
531	PL_retstack_ix = 0;	617	PL_retstack_ix = 0;
532	PL_retstack_max = 4;	618	PL_retstack_max = 4;
533	#endif	619	#endif
534	}	620	}
…		…
557		643
558	Safefree (PL_tmps_stack);	644	Safefree (PL_tmps_stack);
559	Safefree (PL_markstack);	645	Safefree (PL_markstack);
560	Safefree (PL_scopestack);	646	Safefree (PL_scopestack);
561	Safefree (PL_savestack);	647	Safefree (PL_savestack);
562	#if !PERL_VERSION_ATLEAST (5,9,0)	648	#if !PERL_VERSION_ATLEAST (5,10,0)
563	Safefree (PL_retstack);	649	Safefree (PL_retstack);
564	#endif	650	#endif
565	}	651	}
566		652
567	static size_t	653	static size_t
…		…
569	{	655	{
570	size_t rss = sizeof (*coro);	656	size_t rss = sizeof (*coro);
571		657
572	if (coro->mainstack)	658	if (coro->mainstack)
573	{	659	{
		660	perl_slots tmp_slot;
		661	perl_slots *slot;
		662
574	if (coro->flags & CF_RUNNING)	663	if (coro->flags & CF_RUNNING)
575	{	664	{
		665	slot = &tmp_slot;
		666
576	#define VAR(name,type)coro->name = PL_ ## name;	667	#define VAR(name,type) slot->name = PL_ ## name;
577	# include "state.h"	668	# include "state.h"
578	#undef VAR	669	#undef VAR
579	}	670	}
		671	else
		672	slot = coro->slot;
580		673
		674	if (slot)
		675	{
581	rss += sizeof (coro->curstackinfo);	676	rss += sizeof (slot->curstackinfo);
582	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
583	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	677	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	678	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
585	rss += coro->tmps_max * sizeof (SV *);	679	rss += slot->tmps_max * sizeof (SV *);
586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	680	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
587	rss += coro->scopestack_max * sizeof (I32);	681	rss += slot->scopestack_max * sizeof (I32);
588	rss += coro->savestack_max * sizeof (ANY);	682	rss += slot->savestack_max * sizeof (ANY);
589		683
590	#if !PERL_VERSION_ATLEAST (5,9,0)	684	#if !PERL_VERSION_ATLEAST (5,10,0)
591	rss += coro->retstack_max * sizeof (OP *);	685	rss += slot->retstack_max * sizeof (OP *);
592	#endif	686	#endif
		687	}
593	}	688	}
594		689
595	return rss;	690	return rss;
596	}	691	}
597		692
598	/ coroutine stack handling **********************************************/	693	/ coroutine stack handling **********************************************/
		694
		695	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		696	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		697	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		698
		699	/* apparently < 5.8.8 */
		700	#ifndef MgPV_nolen_const
		701	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		702	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		703	(const char*)(mg)->mg_ptr)
		704	#endif
		705
		706	/*
		707	* This overrides the default magic get method of %SIG elements.
		708	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		709	* and instead of tryign to save and restore the hash elements, we just provide
		710	* readback here.
		711	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		712	* not expecting this to actually change the hook. This is a potential problem
		713	* when a schedule happens then, but we ignore this.
		714	*/
		715	static int
		716	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		717	{
		718	const char *s = MgPV_nolen_const (mg);
		719
		720	if (*s == '_')
		721	{
		722	SV **svp = 0;
		723
		724	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		725	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		726
		727	if (svp)
		728	{
		729	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		730	return 0;
		731	}
		732	}
		733
		734	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		735	}
		736
		737	static int
		738	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		739	{
		740	const char *s = MgPV_nolen_const (mg);
		741
		742	if (*s == '_')
		743	{
		744	SV **svp = 0;
		745
		746	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		747	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		748
		749	if (svp)
		750	{
		751	SV old = svp;
		752	*svp = 0;
		753	SvREFCNT_dec (old);
		754	return 0;
		755	}
		756	}
		757
		758	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		759	}
		760
		761	static int
		762	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		763	{
		764	const char *s = MgPV_nolen_const (mg);
		765
		766	if (*s == '_')
		767	{
		768	SV **svp = 0;
		769
		770	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		771	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		772
		773	if (svp)
		774	{
		775	SV old = svp;
		776	*svp = newSVsv (sv);
		777	SvREFCNT_dec (old);
		778	return 0;
		779	}
		780	}
		781
		782	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		783	}
599		784
600	static void	785	static void
601	coro_setup (pTHX_ struct coro *coro)	786	coro_setup (pTHX_ struct coro *coro)
602	{	787	{
603	/*	788	/*
…		…
608	PL_runops = RUNOPS_DEFAULT;	793	PL_runops = RUNOPS_DEFAULT;
609	PL_curcop = &PL_compiling;	794	PL_curcop = &PL_compiling;
610	PL_in_eval = EVAL_NULL;	795	PL_in_eval = EVAL_NULL;
611	PL_comppad = 0;	796	PL_comppad = 0;
612	PL_curpm = 0;	797	PL_curpm = 0;
		798	PL_curpad = 0;
613	PL_localizing = 0;	799	PL_localizing = 0;
614	PL_dirty = 0;	800	PL_dirty = 0;
615	PL_restartop = 0;	801	PL_restartop = 0;
		802	#if PERL_VERSION_ATLEAST (5,10,0)
		803	PL_parser = 0;
		804	#endif
		805
		806	/* recreate the die/warn hooks */
		807	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		808	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
616		809
617	GvSV (PL_defgv) = newSV (0);	810	GvSV (PL_defgv) = newSV (0);
618	GvAV (PL_defgv) = coro->args; coro->args = 0;	811	GvAV (PL_defgv) = coro->args; coro->args = 0;
619	GvSV (PL_errgv) = newSV (0);	812	GvSV (PL_errgv) = newSV (0);
620	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	813	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
621	PL_rs = newSVsv (GvSV (irsgv));	814	PL_rs = newSVsv (GvSV (irsgv));
622	PL_defoutgv = SvREFCNT_inc (stdoutgv);	815	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
623
624	ENTER; /* necessary e.g. for dounwind */
625		816
626	{	817	{
627	dSP;	818	dSP;
628	LOGOP myop;	819	LOGOP myop;
629		820
…		…
636	PUTBACK;	827	PUTBACK;
637	PL_op = (OP *)&myop;	828	PL_op = (OP *)&myop;
638	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	829	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
639	SPAGAIN;	830	SPAGAIN;
640	}	831	}
		832
		833	/* this newly created coroutine might be run on an existing cctx which most
		834	* likely was suspended in set_stacklevel, called from entersub.
		835	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		836	* so we ENTER here for symmetry
		837	*/
		838	ENTER;
641	}	839	}
642		840
643	static void	841	static void
644	coro_destroy (pTHX_ struct coro *coro)	842	coro_destroy (pTHX_ struct coro *coro)
645	{	843	{
…		…
665	SvREFCNT_dec (GvSV (PL_errgv));	863	SvREFCNT_dec (GvSV (PL_errgv));
666	SvREFCNT_dec (PL_defoutgv);	864	SvREFCNT_dec (PL_defoutgv);
667	SvREFCNT_dec (PL_rs);	865	SvREFCNT_dec (PL_rs);
668	SvREFCNT_dec (GvSV (irsgv));	866	SvREFCNT_dec (GvSV (irsgv));
669		867
		868	SvREFCNT_dec (PL_diehook);
		869	SvREFCNT_dec (PL_warnhook);
		870
670	SvREFCNT_dec (coro->saved_deffh);	871	SvREFCNT_dec (coro->saved_deffh);
671	//SvREFCNT_dec (coro->throw);	872	SvREFCNT_dec (coro->throw);
672		873
673	coro_destroy_stacks (aTHX);	874	coro_destroy_stacks (aTHX);
674	}	875	}
675		876
676	static void	877	static void
…		…
763	SAVETMPS;	964	SAVETMPS;
764	EXTEND (SP, 3);	965	EXTEND (SP, 3);
765	PUSHMARK (SP);	966	PUSHMARK (SP);
766	PUSHs (&PL_sv_yes);	967	PUSHs (&PL_sv_yes);
767	PUSHs (fullname);	968	PUSHs (fullname);
768	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	969	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
769	PUTBACK;	970	PUTBACK;
770	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	971	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
771	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	972	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
772	SPAGAIN;	973	SPAGAIN;
773	FREETMPS;	974	FREETMPS;
…		…
809		1010
810	/* inject a fake call to Coro::State::_cctx_init into the execution */	1011	/* inject a fake call to Coro::State::_cctx_init into the execution */
811	/* _cctx_init should be careful, as it could be called at almost any time */	1012	/* _cctx_init should be careful, as it could be called at almost any time */
812	/* during execution of a perl program */	1013	/* during execution of a perl program */
813	static void NOINLINE	1014	static void NOINLINE
814	prepare_cctx (pTHX_ coro_cctx *cctx)	1015	cctx_prepare (pTHX_ coro_cctx *cctx)
815	{	1016	{
816	dSP;	1017	dSP;
817	LOGOP myop;	1018	LOGOP myop;
818		1019
819	PL_top_env = &PL_start_env;	1020	PL_top_env = &PL_start_env;
…		…
837		1038
838	/*	1039	/*
839	* this is a _very_ stripped down perl interpreter ;)	1040	* this is a _very_ stripped down perl interpreter ;)
840	*/	1041	*/
841	static void	1042	static void
842	coro_run (void *arg)	1043	cctx_run (void *arg)
843	{	1044	{
844	dTHX;	1045	dTHX;
845		1046
846	/* coro_run is the alternative tail of transfer(), so unlock here. */	1047	/* cctx_run is the alternative tail of transfer(), so unlock here. */
847	UNLOCK;	1048	UNLOCK;
848		1049
849	/* we now skip the entersub that lead to transfer() */	1050	/* we now skip the entersub that lead to transfer() */
850	PL_op = PL_op->op_next;	1051	PL_op = PL_op->op_next;
851		1052
852	/* inject a fake subroutine call to cctx_init */	1053	/* inject a fake subroutine call to cctx_init */
853	prepare_cctx (aTHX_ (coro_cctx *)arg);	1054	cctx_prepare (aTHX_ (coro_cctx *)arg);
854		1055
855	/* somebody or something will hit me for both perl_run and PL_restartop */	1056	/* somebody or something will hit me for both perl_run and PL_restartop */
856	PL_restartop = PL_op;	1057	PL_restartop = PL_op;
857	perl_run (PL_curinterp);	1058	perl_run (PL_curinterp);
858		1059
…		…
877	++cctx_count;	1078	++cctx_count;
878		1079
879	Newz (0, cctx, 1, coro_cctx);	1080	Newz (0, cctx, 1, coro_cctx);
880		1081
881	#if HAVE_MMAP	1082	#if HAVE_MMAP
882
883	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1083	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
884	/* mmap supposedly does allocate-on-write for us */	1084	/* mmap supposedly does allocate-on-write for us */
885	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1085	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
886		1086
887	if (cctx->sptr != (void *)-1)	1087	if (cctx->sptr != (void *)-1)
…		…
908	stack_start = cctx->sptr;	1108	stack_start = cctx->sptr;
909	stack_size = cctx->ssize;	1109	stack_size = cctx->ssize;
910	}	1110	}
911		1111
912	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1112	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
913	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1113	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
914		1114
915	return cctx;	1115	return cctx;
916	}	1116	}
917		1117
918	static void	1118	static void
…		…
990	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1190	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
991		1191
992	if (expect_false (next->flags & CF_DESTROYED))	1192	if (expect_false (next->flags & CF_DESTROYED))
993	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1193	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
994		1194
		1195	#if !PERL_VERSION_ATLEAST (5,10,0)
995	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1196	if (expect_false (PL_lex_state != LEX_NOTPARSING))
996	croak ("Coro::State::transfer called while parsing, but this is not supported");	1197	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1198	#endif
997	}	1199	}
998	}	1200	}
999		1201
1000	/* always use the TRANSFER macro */	1202	/* always use the TRANSFER macro */
1001	static void NOINLINE	1203	static void NOINLINE
1002	transfer (pTHX_ struct coro prev, struct coro next)	1204	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1003	{	1205	{
1004	dSTACKLEVEL;	1206	dSTACKLEVEL;
		1207	static volatile int has_throw;
1005		1208
1006	/* sometimes transfer is only called to set idle_sp */	1209	/* sometimes transfer is only called to set idle_sp */
1007	if (expect_false (!next))	1210	if (expect_false (!next))
1008	{	1211	{
1009	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1212	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1024	prev->flags &= ~CF_RUNNING;	1227	prev->flags &= ~CF_RUNNING;
1025	next->flags \|= CF_RUNNING;	1228	next->flags \|= CF_RUNNING;
1026		1229
1027	LOCK;	1230	LOCK;
1028		1231
		1232	/* first get rid of the old state */
		1233	save_perl (aTHX_ prev);
		1234
1029	if (expect_false (next->flags & CF_NEW))	1235	if (expect_false (next->flags & CF_NEW))
1030	{	1236	{
1031	/* need to start coroutine */	1237	/* need to start coroutine */
1032	next->flags &= ~CF_NEW;	1238	next->flags &= ~CF_NEW;
1033	/* first get rid of the old state */
1034	save_perl (aTHX_ prev);
1035	/* setup coroutine call */	1239	/* setup coroutine call */
1036	coro_setup (aTHX_ next);	1240	coro_setup (aTHX_ next);
1037	}	1241	}
1038	else	1242	else
1039	{
1040	/* coroutine already started */
1041	save_perl (aTHX_ prev);
1042	load_perl (aTHX_ next);	1243	load_perl (aTHX_ next);
1043	}
1044		1244
1045	prev__cctx = prev->cctx;	1245	prev__cctx = prev->cctx;
1046		1246
1047	/* possibly "free" the cctx */	1247	/* possibly "free" the cctx */
1048	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1248	if (expect_true (
		1249	prev__cctx->idle_sp == STACKLEVEL
		1250	&& !(prev__cctx->flags & CC_TRACE)
		1251	&& !force_cctx
		1252	))
1049	{	1253	{
1050	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1254	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1051	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1255	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1052		1256
1053	prev->cctx = 0;	1257	prev->cctx = 0;
1054		1258
1055	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1259	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1056	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1260	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1057	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1261	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1262	if (!next->cctx)
1058	next->cctx = cctx_get (aTHX);	1263	next->cctx = cctx_get (aTHX);
1059		1264
1060	cctx_put (prev__cctx);	1265	cctx_put (prev__cctx);
1061	}	1266	}
1062		1267
1063	++next->usecount;	1268	++next->usecount;
1064		1269
1065	if (expect_true (!next->cctx))	1270	if (expect_true (!next->cctx))
1066	next->cctx = cctx_get (aTHX);	1271	next->cctx = cctx_get (aTHX);
		1272
		1273	has_throw = !!next->throw;
1067		1274
1068	if (expect_false (prev__cctx != next->cctx))	1275	if (expect_false (prev__cctx != next->cctx))
1069	{	1276	{
1070	prev__cctx->top_env = PL_top_env;	1277	prev__cctx->top_env = PL_top_env;
1071	PL_top_env = next->cctx->top_env;	1278	PL_top_env = next->cctx->top_env;
1072	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1279	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1073	}	1280	}
1074		1281
1075	free_coro_mortal (aTHX);	1282	free_coro_mortal (aTHX);
1076	UNLOCK;	1283	UNLOCK;
		1284
		1285	if (expect_false (has_throw))
		1286	{
		1287	struct coro *coro = SvSTATE (coro_current);
		1288
		1289	if (coro->throw)
		1290	{
		1291	SV *exception = coro->throw;
		1292	coro->throw = 0;
		1293	sv_setsv (ERRSV, exception);
		1294	croak (0);
		1295	}
		1296	}
1077	}	1297	}
1078	}	1298	}
1079		1299
1080	struct transfer_args	1300	struct transfer_args
1081	{	1301	{
1082	struct coro prev, next;	1302	struct coro prev, next;
1083	};	1303	};
1084		1304
1085	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1305	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1086	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1087		1307
1088	/ high level stuff ******************************************************/	1308	/ high level stuff ******************************************************/
1089		1309
1090	static int	1310	static int
…		…
1116	save_perl (aTHX_ &temp);	1336	save_perl (aTHX_ &temp);
1117	load_perl (aTHX_ coro);	1337	load_perl (aTHX_ coro);
1118		1338
1119	coro_destroy (aTHX_ coro);	1339	coro_destroy (aTHX_ coro);
1120		1340
1121	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1341	load_perl (aTHX_ &temp);
1122		1342
1123	coro->mainstack = 0;	1343	coro->slot = 0;
1124	}	1344	}
1125		1345
1126	cctx_destroy (coro->cctx);	1346	cctx_destroy (coro->cctx);
1127	SvREFCNT_dec (coro->args);	1347	SvREFCNT_dec (coro->args);
1128		1348
…		…
1184	{	1404	{
1185	dTHX;	1405	dTHX;
1186	struct transfer_args ta;	1406	struct transfer_args ta;
1187		1407
1188	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1408	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1189	TRANSFER (ta);	1409	TRANSFER (ta, 1);
1190	}	1410	}
1191		1411
1192	/ Coro ******************************************************************/	1412	/ Coro ******************************************************************/
1193		1413
1194	static void	1414	static void
…		…
1196	{	1416	{
1197	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1417	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1198	}	1418	}
1199		1419
1200	static SV *	1420	static SV *
1201	coro_deq (pTHX_ int min_prio)	1421	coro_deq (pTHX)
1202	{	1422	{
1203	int prio = PRIO_MAX - PRIO_MIN;	1423	int prio;
1204		1424
1205	min_prio -= PRIO_MIN;
1206	if (min_prio < 0)
1207	min_prio = 0;
1208
1209	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1425	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1210	if (AvFILLp (coro_ready [prio]) >= 0)	1426	if (AvFILLp (coro_ready [prio]) >= 0)
1211	return av_shift (coro_ready [prio]);	1427	return av_shift (coro_ready [prio]);
1212		1428
1213	return 0;	1429	return 0;
1214	}	1430	}
…		…
1216	static int	1432	static int
1217	api_ready (SV *coro_sv)	1433	api_ready (SV *coro_sv)
1218	{	1434	{
1219	dTHX;	1435	dTHX;
1220	struct coro *coro;	1436	struct coro *coro;
		1437	SV *sv_hook;
		1438	void (*xs_hook)(void);
1221		1439
1222	if (SvROK (coro_sv))	1440	if (SvROK (coro_sv))
1223	coro_sv = SvRV (coro_sv);	1441	coro_sv = SvRV (coro_sv);
1224		1442
1225	coro = SvSTATE (coro_sv);	1443	coro = SvSTATE (coro_sv);
…		…
1228	return 0;	1446	return 0;
1229		1447
1230	coro->flags \|= CF_READY;	1448	coro->flags \|= CF_READY;
1231		1449
1232	LOCK;	1450	LOCK;
		1451
		1452	sv_hook = coro_nready ? 0 : coro_readyhook;
		1453	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1454
1233	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1455	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1234	++coro_nready;	1456	++coro_nready;
		1457
1235	UNLOCK;	1458	UNLOCK;
		1459
		1460	if (sv_hook)
		1461	{
		1462	dSP;
		1463
		1464	ENTER;
		1465	SAVETMPS;
		1466
		1467	PUSHMARK (SP);
		1468	PUTBACK;
		1469	call_sv (sv_hook, G_DISCARD);
		1470	SPAGAIN;
		1471
		1472	FREETMPS;
		1473	LEAVE;
		1474	}
		1475
		1476	if (xs_hook)
		1477	xs_hook ();
1236		1478
1237	return 1;	1479	return 1;
1238	}	1480	}
1239		1481
1240	static int	1482	static int
…		…
1250	SV prev_sv, next_sv;	1492	SV prev_sv, next_sv;
1251		1493
1252	for (;;)	1494	for (;;)
1253	{	1495	{
1254	LOCK;	1496	LOCK;
1255	next_sv = coro_deq (aTHX_ PRIO_MIN);	1497	next_sv = coro_deq (aTHX);
1256		1498
1257	/* nothing to schedule: call the idle handler */	1499	/* nothing to schedule: call the idle handler */
1258	if (expect_false (!next_sv))	1500	if (expect_false (!next_sv))
1259	{	1501	{
1260	dSP;	1502	dSP;
…		…
1264	SAVETMPS;	1506	SAVETMPS;
1265		1507
1266	PUSHMARK (SP);	1508	PUSHMARK (SP);
1267	PUTBACK;	1509	PUTBACK;
1268	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1510	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1511	SPAGAIN;
1269		1512
1270	FREETMPS;	1513	FREETMPS;
1271	LEAVE;	1514	LEAVE;
1272	continue;	1515	continue;
1273	}	1516	}
…		…
1328	{	1571	{
1329	dTHX;	1572	dTHX;
1330	struct transfer_args ta;	1573	struct transfer_args ta;
1331		1574
1332	prepare_schedule (aTHX_ &ta);	1575	prepare_schedule (aTHX_ &ta);
1333	TRANSFER (ta);	1576	TRANSFER (ta, 1);
1334	}	1577	}
1335		1578
1336	static int	1579	static int
1337	api_cede (void)	1580	api_cede (void)
1338	{	1581	{
…		…
1341		1584
1342	prepare_cede (aTHX_ &ta);	1585	prepare_cede (aTHX_ &ta);
1343		1586
1344	if (expect_true (ta.prev != ta.next))	1587	if (expect_true (ta.prev != ta.next))
1345	{	1588	{
1346	TRANSFER (ta);	1589	TRANSFER (ta, 1);
1347	return 1;	1590	return 1;
1348	}	1591	}
1349	else	1592	else
1350	return 0;	1593	return 0;
1351	}	1594	}
…		…
1356	dTHX;	1599	dTHX;
1357	struct transfer_args ta;	1600	struct transfer_args ta;
1358		1601
1359	if (prepare_cede_notself (aTHX_ &ta))	1602	if (prepare_cede_notself (aTHX_ &ta))
1360	{	1603	{
1361	TRANSFER (ta);	1604	TRANSFER (ta, 1);
1362	return 1;	1605	return 1;
1363	}	1606	}
1364	else	1607	else
1365	return 0;	1608	return 0;
1366	}	1609	}
…		…
1385	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1628	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1386		1629
1387	if (coro->flags & CF_RUNNING)	1630	if (coro->flags & CF_RUNNING)
1388	PL_runops = RUNOPS_DEFAULT;	1631	PL_runops = RUNOPS_DEFAULT;
1389	else	1632	else
1390	coro->runops = RUNOPS_DEFAULT;	1633	coro->slot->runops = RUNOPS_DEFAULT;
		1634	}
		1635	}
		1636
		1637	static int
		1638	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1639	{
		1640	AV *padlist;
		1641	AV av = (AV )mg->mg_obj;
		1642
		1643	abort ();
		1644
		1645	return 0;
		1646	}
		1647
		1648	static MGVTBL coro_gensub_vtbl = {
		1649	0, 0, 0, 0,
		1650	coro_gensub_free
		1651	};
		1652
		1653	/*****************************************************************************/
		1654	/* PerlIO::cede */
		1655
		1656	typedef struct
		1657	{
		1658	PerlIOBuf base;
		1659	NV next, every;
		1660	} PerlIOCede;
		1661
		1662	static IV
		1663	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1664	{
		1665	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1666
		1667	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1668	self->next = nvtime () + self->every;
		1669
		1670	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1671	}
		1672
		1673	static SV *
		1674	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1675	{
		1676	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1677
		1678	return newSVnv (self->every);
		1679	}
		1680
		1681	static IV
		1682	PerlIOCede_flush (pTHX_ PerlIO *f)
		1683	{
		1684	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1685	double now = nvtime ();
		1686
		1687	if (now >= self->next)
1391	}	1688	{
		1689	api_cede ();
		1690	self->next = now + self->every;
		1691	}
		1692
		1693	return PerlIOBuf_flush (f);
1392	}	1694	}
		1695
		1696	static PerlIO_funcs PerlIO_cede =
		1697	{
		1698	sizeof(PerlIO_funcs),
		1699	"cede",
		1700	sizeof(PerlIOCede),
		1701	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1702	PerlIOCede_pushed,
		1703	PerlIOBuf_popped,
		1704	PerlIOBuf_open,
		1705	PerlIOBase_binmode,
		1706	PerlIOCede_getarg,
		1707	PerlIOBase_fileno,
		1708	PerlIOBuf_dup,
		1709	PerlIOBuf_read,
		1710	PerlIOBuf_unread,
		1711	PerlIOBuf_write,
		1712	PerlIOBuf_seek,
		1713	PerlIOBuf_tell,
		1714	PerlIOBuf_close,
		1715	PerlIOCede_flush,
		1716	PerlIOBuf_fill,
		1717	PerlIOBase_eof,
		1718	PerlIOBase_error,
		1719	PerlIOBase_clearerr,
		1720	PerlIOBase_setlinebuf,
		1721	PerlIOBuf_get_base,
		1722	PerlIOBuf_bufsiz,
		1723	PerlIOBuf_get_ptr,
		1724	PerlIOBuf_get_cnt,
		1725	PerlIOBuf_set_ptrcnt,
		1726	};
		1727
1393		1728
1394	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1395		1730
1396	PROTOTYPES: DISABLE	1731	PROTOTYPES: DISABLE
1397		1732
…		…
1402	#endif	1737	#endif
1403	BOOT_PAGESIZE;	1738	BOOT_PAGESIZE;
1404		1739
1405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1740	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1741	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1742
		1743	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1744	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1745	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1746
		1747	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1748	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1749	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1407		1750
1408	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1751	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1409		1752
1410	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1753	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1411	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1416	main_top_env = PL_top_env;	1759	main_top_env = PL_top_env;
1417		1760
1418	while (main_top_env->je_prev)	1761	while (main_top_env->je_prev)
1419	main_top_env = main_top_env->je_prev;	1762	main_top_env = main_top_env->je_prev;
1420		1763
1421	coroapi.ver = CORO_API_VERSION;	1764	coroapi.ver = CORO_API_VERSION;
		1765	coroapi.rev = CORO_API_REVISION;
1422	coroapi.transfer = api_transfer;	1766	coroapi.transfer = api_transfer;
		1767
		1768	{
		1769	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1770
		1771	if (!svp) croak ("Time::HiRes is required");
		1772	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1773
		1774	nvtime = INT2PTR (double ()(), SvIV (svp));
		1775	}
1423		1776
1424	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1777	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1425	}	1778	}
1426		1779
1427	SV *	1780	SV *
1428	new (char *klass, ...)	1781	new (char *klass, ...)
1429	CODE:	1782	CODE:
1430	{	1783	{
1431	struct coro *coro;	1784	struct coro *coro;
		1785	MAGIC *mg;
1432	HV *hv;	1786	HV *hv;
1433	int i;	1787	int i;
1434		1788
1435	Newz (0, coro, 1, struct coro);	1789	Newz (0, coro, 1, struct coro);
1436	coro->args = newAV ();	1790	coro->args = newAV ();
…		…
1439	if (coro_first) coro_first->prev = coro;	1793	if (coro_first) coro_first->prev = coro;
1440	coro->next = coro_first;	1794	coro->next = coro_first;
1441	coro_first = coro;	1795	coro_first = coro;
1442		1796
1443	coro->hv = hv = newHV ();	1797	coro->hv = hv = newHV ();
1444	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1798	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1799	mg->mg_flags \|= MGf_DUP;
1445	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1800	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1446		1801
1447	av_extend (coro->args, items - 1);	1802	av_extend (coro->args, items - 1);
1448	for (i = 1; i < items; i++)	1803	for (i = 1; i < items; i++)
1449	av_push (coro->args, newSVsv (ST (i)));	1804	av_push (coro->args, newSVsv (ST (i)));
…		…
1463	Coro::cede_notself = 4	1818	Coro::cede_notself = 4
1464	CODE:	1819	CODE:
1465	{	1820	{
1466	struct transfer_args ta;	1821	struct transfer_args ta;
1467		1822
		1823	PUTBACK;
1468	switch (ix)	1824	switch (ix)
1469	{	1825	{
1470	case 0:	1826	case 0:
1471	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1827	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1472	ta.next = 0;	1828	ta.next = 0;
…		…
1491	if (!prepare_cede_notself (aTHX_ &ta))	1847	if (!prepare_cede_notself (aTHX_ &ta))
1492	XSRETURN_EMPTY;	1848	XSRETURN_EMPTY;
1493		1849
1494	break;	1850	break;
1495	}	1851	}
		1852	SPAGAIN;
1496		1853
1497	BARRIER;	1854	BARRIER;
		1855	PUTBACK;
1498	TRANSFER (ta);	1856	TRANSFER (ta, 0);
1499		1857	SPAGAIN; /* might be the sp of a different coroutine now */
1500	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1858	/* be extra careful not to ever do anything after TRANSFER */
1501	XSRETURN_YES;
1502	}	1859	}
1503		1860
1504	bool	1861	bool
1505	_destroy (SV *coro_sv)	1862	_destroy (SV *coro_sv)
1506	CODE:	1863	CODE:
1507	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1864	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1508	OUTPUT:	1865	OUTPUT:
1509	RETVAL	1866	RETVAL
1510		1867
1511	void	1868	void
1512	_exit (code)	1869	_exit (int code)
1513	int code
1514	PROTOTYPE: $	1870	PROTOTYPE: $
1515	CODE:	1871	CODE:
1516	_exit (code);	1872	_exit (code);
1517		1873
1518	int	1874	int
…		…
1552	call (Coro::State coro, SV *coderef)	1908	call (Coro::State coro, SV *coderef)
1553	ALIAS:	1909	ALIAS:
1554	eval = 1	1910	eval = 1
1555	CODE:	1911	CODE:
1556	{	1912	{
1557	if (coro->mainstack)	1913	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1558	{	1914	{
1559	struct coro temp;	1915	struct coro temp;
1560	Zero (&temp, 1, struct coro);
1561		1916
1562	if (!(coro->flags & CF_RUNNING))	1917	if (!(coro->flags & CF_RUNNING))
1563	{	1918	{
		1919	PUTBACK;
1564	save_perl (aTHX_ &temp);	1920	save_perl (aTHX_ &temp);
1565	load_perl (aTHX_ coro);	1921	load_perl (aTHX_ coro);
1566	}	1922	}
1567		1923
1568	{	1924	{
1569	dSP;	1925	dSP;
1570	ENTER;	1926	ENTER;
1571	SAVETMPS;	1927	SAVETMPS;
		1928	PUTBACK;
		1929	PUSHSTACK;
1572	PUSHMARK (SP);	1930	PUSHMARK (SP);
1573	PUTBACK;	1931
1574	if (ix)	1932	if (ix)
1575	eval_sv (coderef, 0);	1933	eval_sv (coderef, 0);
1576	else	1934	else
1577	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1935	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1936
		1937	POPSTACK;
1578	SPAGAIN;	1938	SPAGAIN;
1579	FREETMPS;	1939	FREETMPS;
1580	LEAVE;	1940	LEAVE;
1581	PUTBACK;	1941	PUTBACK;
1582	}	1942	}
1583		1943
1584	if (!(coro->flags & CF_RUNNING))	1944	if (!(coro->flags & CF_RUNNING))
1585	{	1945	{
1586	save_perl (aTHX_ coro);	1946	save_perl (aTHX_ coro);
1587	load_perl (aTHX_ &temp);	1947	load_perl (aTHX_ &temp);
		1948	SPAGAIN;
1588	}	1949	}
1589	}	1950	}
1590	}	1951	}
1591		1952
1592	SV *	1953	SV *
…		…
1604		1965
1605	void	1966	void
1606	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1967	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1607		1968
1608	SV *	1969	SV *
1609	has_stack (Coro::State coro)	1970	has_cctx (Coro::State coro)
1610	PROTOTYPE: $	1971	PROTOTYPE: $
1611	CODE:	1972	CODE:
1612	RETVAL = boolSV (!!coro->cctx);	1973	RETVAL = boolSV (!!coro->cctx);
1613	OUTPUT:	1974	OUTPUT:
1614	RETVAL	1975	RETVAL
…		…
1633	case 1: RETVAL = coro->usecount; break;	1994	case 1: RETVAL = coro->usecount; break;
1634	}	1995	}
1635	OUTPUT:	1996	OUTPUT:
1636	RETVAL	1997	RETVAL
1637		1998
		1999	void
		2000	force_cctx ()
		2001	CODE:
		2002	struct coro *coro = SvSTATE (coro_current);
		2003	coro->cctx->idle_sp = 0;
		2004
		2005	void
		2006	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2007	PROTOTYPE: $;$
		2008	CODE:
		2009	SvREFCNT_dec (self->throw);
		2010	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2011
		2012	void
		2013	swap_defsv (Coro::State self)
		2014	PROTOTYPE: $
		2015	ALIAS:
		2016	swap_defav = 1
		2017	CODE:
		2018	if (!self->slot)
		2019	croak ("cannot swap state with coroutine that has no saved state");
		2020	else
		2021	{
		2022	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2023	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2024
		2025	SV tmp = src; src = dst; *dst = tmp;
		2026	}
1638		2027
1639	MODULE = Coro::State PACKAGE = Coro	2028	MODULE = Coro::State PACKAGE = Coro
1640		2029
1641	BOOT:	2030	BOOT:
1642	{	2031	{
1643	int i;	2032	int i;
1644		2033
1645	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1646	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1647	av_async_pool = get_av ("Coro::async_pool", TRUE);	2034	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2035	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2036	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1648		2037
1649	coro_current = get_sv ("Coro::current", FALSE);	2038	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1650	SvREADONLY_on (coro_current);	2039	SvREADONLY_on (coro_current);
1651		2040
1652	coro_stash = gv_stashpv ("Coro", TRUE);	2041	coro_stash = gv_stashpv ("Coro", TRUE);
1653		2042
1654	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2043	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1655	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	2044	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1656	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	2045	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1657	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	2046	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1660		2049
1661	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	2050	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1662	coro_ready[i] = newAV ();	2051	coro_ready[i] = newAV ();
1663		2052
1664	{	2053	{
1665	SV *sv = perl_get_sv("Coro::API", 1);	2054	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2055	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1666		2056
1667	coroapi.schedule = api_schedule;	2057	coroapi.schedule = api_schedule;
1668	coroapi.cede = api_cede;	2058	coroapi.cede = api_cede;
1669	coroapi.cede_notself = api_cede_notself;	2059	coroapi.cede_notself = api_cede_notself;
1670	coroapi.ready = api_ready;	2060	coroapi.ready = api_ready;
…		…
1683	PROTOTYPE: $	2073	PROTOTYPE: $
1684	CODE:	2074	CODE:
1685	SvREFCNT_dec (SvRV (coro_current));	2075	SvREFCNT_dec (SvRV (coro_current));
1686	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2076	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1687		2077
		2078	void
		2079	_set_readyhook (SV *hook)
		2080	PROTOTYPE: $
		2081	CODE:
		2082	LOCK;
		2083	SvREFCNT_dec (coro_readyhook);
		2084	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2085	UNLOCK;
		2086
1688	int	2087	int
1689	prio (Coro::State coro, int newprio = 0)	2088	prio (Coro::State coro, int newprio = 0)
1690	ALIAS:	2089	ALIAS:
1691	nice = 1	2090	nice = 1
1692	CODE:	2091	CODE:
…		…
1734	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2133	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1735	AV *invoke_av;	2134	AV *invoke_av;
1736	int i, len;	2135	int i, len;
1737		2136
1738	if (!invoke)	2137	if (!invoke)
		2138	{
		2139	SV *old = PL_diehook;
		2140	PL_diehook = 0;
		2141	SvREFCNT_dec (old);
1739	croak ("\3terminate\2\n");	2142	croak ("\3async_pool terminate\2\n");
		2143	}
1740		2144
1741	SvREFCNT_dec (coro->saved_deffh);	2145	SvREFCNT_dec (coro->saved_deffh);
1742	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2146	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1743		2147
1744	hv_store (hv, "desc", sizeof ("desc") - 1,	2148	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1770	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2174	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1771	coro->saved_deffh = 0;	2175	coro->saved_deffh = 0;
1772		2176
1773	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2177	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1774	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2178	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2179	{
		2180	SV *old = PL_diehook;
		2181	PL_diehook = 0;
		2182	SvREFCNT_dec (old);
1775	croak ("\3terminate\2\n");	2183	croak ("\3async_pool terminate\2\n");
		2184	}
1776		2185
1777	av_clear (GvAV (PL_defgv));	2186	av_clear (GvAV (PL_defgv));
1778	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2187	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1779	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2188	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1780		2189
…		…
1783	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2192	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1784	api_trace (coro_current, 0);	2193	api_trace (coro_current, 0);
1785		2194
1786	av_push (av_async_pool, newSVsv (coro_current));	2195	av_push (av_async_pool, newSVsv (coro_current));
1787	}	2196	}
		2197
		2198	#if 0
		2199
		2200	void
		2201	_generator_call (...)
		2202	PROTOTYPE: @
		2203	PPCODE:
		2204	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2205	xxxx
		2206	abort ();
		2207
		2208	SV *
		2209	gensub (SV *sub, ...)
		2210	PROTOTYPE: &;@
		2211	CODE:
		2212	{
		2213	struct coro *coro;
		2214	MAGIC *mg;
		2215	CV *xcv;
		2216	CV ncv = (CV )newSV_type (SVt_PVCV);
		2217	int i;
		2218
		2219	CvGV (ncv) = CvGV (cv);
		2220	CvFILE (ncv) = CvFILE (cv);
		2221
		2222	Newz (0, coro, 1, struct coro);
		2223	coro->args = newAV ();
		2224	coro->flags = CF_NEW;
		2225
		2226	av_extend (coro->args, items - 1);
		2227	for (i = 1; i < items; i++)
		2228	av_push (coro->args, newSVsv (ST (i)));
		2229
		2230	CvISXSUB_on (ncv);
		2231	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2232
		2233	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2234
		2235	CvXSUB (ncv) = CvXSUB (xcv);
		2236	CvANON_on (ncv);
		2237
		2238	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2239	RETVAL = newRV_noinc ((SV *)ncv);
		2240	}
		2241	OUTPUT:
		2242	RETVAL
		2243
		2244	#endif
1788		2245
1789		2246
1790	MODULE = Coro::State PACKAGE = Coro::AIO	2247	MODULE = Coro::State PACKAGE = Coro::AIO
1791		2248
1792	SV *	2249	SV *
…		…
1819	PL_laststype = data->laststype;	2276	PL_laststype = data->laststype;
1820	PL_laststatval = data->laststatval;	2277	PL_laststatval = data->laststatval;
1821	PL_statcache = data->statcache;	2278	PL_statcache = data->statcache;
1822	}	2279	}
1823		2280
		2281
		2282	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2283
		2284	BOOT:
		2285	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2286
		2287	SV *
		2288	_schedule (...)
		2289	PROTOTYPE: @
		2290	CODE:
		2291	{
		2292	static int incede;
		2293
		2294	api_cede_notself ();
		2295
		2296	++incede;
		2297	while (coro_nready >= incede && api_cede ())
		2298	;
		2299
		2300	sv_setsv (sv_activity, &PL_sv_undef);
		2301	if (coro_nready >= incede)
		2302	{
		2303	PUSHMARK (SP);
		2304	PUTBACK;
		2305	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2306	SPAGAIN;
		2307	}
		2308
		2309	--incede;
		2310	}
		2311
		2312
		2313	MODULE = Coro::State PACKAGE = PerlIO::cede
		2314
		2315	BOOT:
		2316	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs. Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC