[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 1.245 by root, Mon Sep 22 05:40:21 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"
8		9
9	#include "patchlevel.h"	10	#include "patchlevel.h"
10		11
11	#include <stdio.h>	12	#include <stdio.h>
12	#include <errno.h>	13	#include <errno.h>
13	#include <assert.h>	14	#include <assert.h>
		15
		16	#ifdef WIN32
		17	# undef setjmp
		18	# undef longjmp
		19	# undef _exit
		20	# define setjmp _setjmp // deep magic, don't ask
		21	#else
		22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
14		24
15	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
16	# include <unistd.h>	26	# include <unistd.h>
17	# include <sys/mman.h>	27	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
70	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
71	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
72	# endif	82	# endif
73	#endif	83	#endif
74		84
		85	/* 5.8.8 */
		86	#ifndef GV_NOTQUAL
		87	# define GV_NOTQUAL 0
		88	#endif
		89	#ifndef newSV
		90	# define newSV(l) NEWSV(0,l)
		91	#endif
		92
		93	/* 5.11 */
		94	#ifndef CxHASARGS
		95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		96	#endif
		97
75	/* 5.8.7 */	98	/* 5.8.7 */
76	#ifndef SvRV_set	99	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	100	# 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	101	#endif
87		102
88	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
89	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
90	#endif	105	#endif
…		…
143	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
144	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
145	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
146	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
147	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
148	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
149		164
150	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
151	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
		169	static HV hv_sig; / %SIG */
152		170
153	/* async_pool helper stuff */	171	/* async_pool helper stuff */
154	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
155	static SV *sv_pool_size;	173	static SV *sv_pool_size;
156	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
157		178
158	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
159	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
160		181
161	enum {	182	enum {
…		…
192	CF_READY = 0x0002, /* coroutine is ready */	213	CF_READY = 0x0002, /* coroutine is ready */
193	CF_NEW = 0x0004, /* has never been switched to */	214	CF_NEW = 0x0004, /* has never been switched to */
194	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	215	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
195	};	216	};
196		217
		218	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		219	typedef struct {
		220	SV *defsv;
		221	AV *defav;
		222	SV *errsv;
		223	SV *irsgv;
		224	#define VAR(name,type) type name;
		225	# include "state.h"
		226	#undef VAR
		227	} perl_slots;
		228
		229	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		230
197	/* this is a structure representing a perl-level coroutine */	231	/* this is a structure representing a perl-level coroutine */
198	struct coro {	232	struct coro {
199	/* the c coroutine allocated to this perl coroutine, if any */	233	/* the c coroutine allocated to this perl coroutine, if any */
200	coro_cctx *cctx;	234	coro_cctx *cctx;
201		235
		236	/* process data */
		237	AV *mainstack;
		238	perl_slots slot; / basically the saved sp */
		239
202	/* data associated with this coroutine (initial args) */	240	AV args; / data associated with this coroutine (initial args) */
203	AV *args;	241	int refcnt; /* coroutines are refcounted, yes */
204	int refcnt;
205	int flags; /* CF_ flags */	242	int flags; /* CF_ flags */
206		243	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		244
219	/* statistics */	245	/* statistics */
220	int usecount; /* number of transfers to this coro */	246	int usecount; /* number of transfers to this coro */
221		247
222	/* coro process data */	248	/* coro process data */
223	int prio;	249	int prio;
224	//SV *throw;	250	SV throw; / exception to be thrown */
225		251
226	/* async_pool */	252	/* async_pool */
227	SV *saved_deffh;	253	SV *saved_deffh;
228		254
229	/* linked list */	255	/* linked list */
230	struct coro next, prev;	256	struct coro next, prev;
231	HV hv; / the perl hash associated with this coro, if any */
232	};	257	};
233		258
234	typedef struct coro *Coro__State;	259	typedef struct coro *Coro__State;
235	typedef struct coro *Coro__State_or_hashref;	260	typedef struct coro *Coro__State_or_hashref;
236		261
…		…
243	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
244	#define PRIO_MIN -4	269	#define PRIO_MIN -4
245		270
246	/* for Coro.pm */	271	/* for Coro.pm */
247	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
248	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
249	static int coro_nready;	275	static int coro_nready;
250	static struct coro *coro_first;	276	static struct coro *coro_first;
251		277
252	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
253		279
		280	static SV *
		281	coro_get_sv (pTHX_ const char *name, int create)
		282	{
		283	#if PERL_VERSION_ATLEAST (5,10,0)
		284	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		285	get_sv (name, create);
		286	#endif
		287	return get_sv (name, create);
		288	}
		289
		290	static AV *
		291	coro_get_av (pTHX_ const char *name, int create)
		292	{
		293	#if PERL_VERSION_ATLEAST (5,10,0)
		294	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		295	get_av (name, create);
		296	#endif
		297	return get_av (name, create);
		298	}
		299
		300	static HV *
		301	coro_get_hv (pTHX_ const char *name, int create)
		302	{
		303	#if PERL_VERSION_ATLEAST (5,10,0)
		304	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		305	get_hv (name, create);
		306	#endif
		307	return get_hv (name, create);
		308	}
		309
254	static AV *	310	static AV *
255	coro_clone_padlist (pTHX_ CV *cv)	311	coro_clone_padlist (pTHX_ CV *cv)
256	{	312	{
257	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
258	AV newpadlist, newpad;	314	AV newpadlist, newpad;
259		315
260	newpadlist = newAV ();	316	newpadlist = newAV ();
261	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
262	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
263	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
264	#else	320	#else
265	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
266	#endif	322	#endif
267	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
305		361
306	/* casting is fun. */	362	/* casting is fun. */
307	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
308	free_padlist (aTHX_ padlist);	364	free_padlist (aTHX_ padlist);
309		365
310	SvREFCNT_dec (av);	366	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
311		367
312	return 0;	368	return 0;
313	}	369	}
314		370
315	#define PERL_MAGIC_coro PERL_MAGIC_ext	371	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		372	#define CORO_MAGIC_type_state PERL_MAGIC_ext
316		373
317	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	374	static MGVTBL coro_cv_vtbl = {
		375	0, 0, 0, 0,
		376	coro_cv_free
		377	};
318		378
319	#define CORO_MAGIC(cv) \	379	#define CORO_MAGIC(sv,type) \
320	SvMAGIC (cv) \	380	SvMAGIC (sv) \
321	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	381	? SvMAGIC (sv)->mg_type == type \
322	? SvMAGIC (cv) \	382	? SvMAGIC (sv) \
323	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	383	: mg_find (sv, type) \
324	: 0	384	: 0
		385
		386	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		387	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
325		388
326	static struct coro *	389	static struct coro *
327	SvSTATE_ (pTHX_ SV *coro)	390	SvSTATE_ (pTHX_ SV *coro)
328	{	391	{
329	HV *stash;	392	HV *stash;
…		…
341	/* very slow, but rare, check */	404	/* very slow, but rare, check */
342	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
343	croak ("Coro::State object required");	406	croak ("Coro::State object required");
344	}	407	}
345		408
346	mg = CORO_MAGIC (coro);	409	mg = CORO_MAGIC_state (coro);
347	return (struct coro *)mg->mg_ptr;	410	return (struct coro *)mg->mg_ptr;
348	}	411	}
349		412
350	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
351		414
352	/* the next two functions merely cache the padlists */	415	/* the next two functions merely cache the padlists */
353	static void	416	static void
354	get_padlist (pTHX_ CV *cv)	417	get_padlist (pTHX_ CV *cv)
355	{	418	{
356	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC_cv (cv);
357	AV *av;	420	AV *av;
358		421
359	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	422	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
360	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	423	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
361	else	424	else
362	{	425	{
363	#if CORO_PREFER_PERL_FUNCTIONS	426	#if CORO_PREFER_PERL_FUNCTIONS
364	/* this is probably cleaner, but also slower? */	427	/* this is probably cleaner? but also slower! */
		428	/* in practise, it seems to be less stable */
365	CV *cp = Perl_cv_clone (cv);	429	CV *cp = Perl_cv_clone (cv);
366	CvPADLIST (cv) = CvPADLIST (cp);	430	CvPADLIST (cv) = CvPADLIST (cp);
367	CvPADLIST (cp) = 0;	431	CvPADLIST (cp) = 0;
368	SvREFCNT_dec (cp);	432	SvREFCNT_dec (cp);
369	#else	433	#else
…		…
373	}	437	}
374		438
375	static void	439	static void
376	put_padlist (pTHX_ CV *cv)	440	put_padlist (pTHX_ CV *cv)
377	{	441	{
378	MAGIC *mg = CORO_MAGIC (cv);	442	MAGIC *mg = CORO_MAGIC_cv (cv);
379	AV *av;	443	AV *av;
380		444
381	if (expect_false (!mg))	445	if (expect_false (!mg))
382	{	446	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		447
389	av = (AV *)mg->mg_obj;	448	av = (AV *)mg->mg_obj;
390		449
391	if (expect_false (AvFILLp (av) >= AvMAX (av)))	450	if (expect_false (AvFILLp (av) >= AvMAX (av)))
392	av_extend (av, AvMAX (av) + 1);	451	av_extend (av, AvMAX (av) + 1);
…		…
397	/ load & save, init *****************************************************/	456	/ load & save, init *****************************************************/
398		457
399	static void	458	static void
400	load_perl (pTHX_ Coro__State c)	459	load_perl (pTHX_ Coro__State c)
401	{	460	{
		461	perl_slots *slot = c->slot;
		462	c->slot = 0;
		463
		464	PL_mainstack = c->mainstack;
		465
		466	GvSV (PL_defgv) = slot->defsv;
		467	GvAV (PL_defgv) = slot->defav;
		468	GvSV (PL_errgv) = slot->errsv;
		469	GvSV (irsgv) = slot->irsgv;
		470
402	#define VAR(name,type) PL_ ## name = c->name;	471	#define VAR(name,type) PL_ ## name = slot->name;
403	# include "state.h"	472	# include "state.h"
404	#undef VAR	473	#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		474
411	{	475	{
412	dSP;	476	dSP;
		477
413	CV *cv;	478	CV *cv;
414		479
415	/* now do the ugly restore mess */	480	/* now do the ugly restore mess */
416	while (expect_true (cv = (CV *)POPs))	481	while (expect_true (cv = (CV *)POPs))
417	{	482	{
…		…
452		517
453	if (expect_true (CvDEPTH (cv)))	518	if (expect_true (CvDEPTH (cv)))
454	{	519	{
455	EXTEND (SP, 3);	520	EXTEND (SP, 3);
456	PUSHs ((SV *)CvPADLIST (cv));	521	PUSHs ((SV *)CvPADLIST (cv));
457	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	522	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
458	PUSHs ((SV *)cv);	523	PUSHs ((SV *)cv);
459		524
460	CvDEPTH (cv) = 0;	525	CvDEPTH (cv) = 0;
461	get_padlist (aTHX_ cv);	526	get_padlist (aTHX_ cv);
462	}	527	}
…		…
472	}	537	}
473		538
474	PUTBACK;	539	PUTBACK;
475	}	540	}
476		541
		542	/* allocate some space on the context stack for our purposes */
		543	/* we manually unroll here, as usually 2 slots is enough */
		544	if (SLOT_COUNT >= 1) CXINC;
		545	if (SLOT_COUNT >= 2) CXINC;
		546	if (SLOT_COUNT >= 3) CXINC;
		547	{
		548	int i;
		549	for (i = 3; i < SLOT_COUNT; ++i)
		550	CXINC;
		551	}
		552	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		553
		554	c->mainstack = PL_mainstack;
		555
		556	{
		557	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		558
477	c->defav = GvAV (PL_defgv);	559	slot->defav = GvAV (PL_defgv);
478	c->defsv = DEFSV;	560	slot->defsv = DEFSV;
479	c->errsv = ERRSV;	561	slot->errsv = ERRSV;
480	c->irssv_sv = GvSV (irsgv);	562	slot->irsgv = GvSV (irsgv);
481		563
482	#define VAR(name,type)c->name = PL_ ## name;	564	#define VAR(name,type) slot->name = PL_ ## name;
483	# include "state.h"	565	# include "state.h"
484	#undef VAR	566	#undef VAR
		567	}
485	}	568	}
486		569
487	/*	570	/*
488	* allocate various perl stacks. This is an exact copy	571	* allocate various perl stacks. This is an exact copy
489	* of perl.c:init_stacks, except that it uses less memory	572	* of perl.c:init_stacks, except that it uses less memory
…		…
494	# define coro_init_stacks init_stacks	577	# define coro_init_stacks init_stacks
495	#else	578	#else
496	static void	579	static void
497	coro_init_stacks (pTHX)	580	coro_init_stacks (pTHX)
498	{	581	{
499	PL_curstackinfo = new_stackinfo(64, 6);	582	PL_curstackinfo = new_stackinfo(32, 8);
500	PL_curstackinfo->si_type = PERLSI_MAIN;	583	PL_curstackinfo->si_type = PERLSI_MAIN;
501	PL_curstack = PL_curstackinfo->si_stack;	584	PL_curstack = PL_curstackinfo->si_stack;
502	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	585	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
503		586
504	PL_stack_base = AvARRAY(PL_curstack);	587	PL_stack_base = AvARRAY(PL_curstack);
505	PL_stack_sp = PL_stack_base;	588	PL_stack_sp = PL_stack_base;
506	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	589	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
507		590
508	New(50,PL_tmps_stack,64,SV*);	591	New(50,PL_tmps_stack,32,SV*);
509	PL_tmps_floor = -1;	592	PL_tmps_floor = -1;
510	PL_tmps_ix = -1;	593	PL_tmps_ix = -1;
511	PL_tmps_max = 64;	594	PL_tmps_max = 32;
512		595
513	New(54,PL_markstack,16,I32);	596	New(54,PL_markstack,16,I32);
514	PL_markstack_ptr = PL_markstack;	597	PL_markstack_ptr = PL_markstack;
515	PL_markstack_max = PL_markstack + 16;	598	PL_markstack_max = PL_markstack + 16;
516		599
517	#ifdef SET_MARK_OFFSET	600	#ifdef SET_MARK_OFFSET
518	SET_MARK_OFFSET;	601	SET_MARK_OFFSET;
519	#endif	602	#endif
520		603
521	New(54,PL_scopestack,16,I32);	604	New(54,PL_scopestack,8,I32);
522	PL_scopestack_ix = 0;	605	PL_scopestack_ix = 0;
523	PL_scopestack_max = 16;	606	PL_scopestack_max = 8;
524		607
525	New(54,PL_savestack,64,ANY);	608	New(54,PL_savestack,24,ANY);
526	PL_savestack_ix = 0;	609	PL_savestack_ix = 0;
527	PL_savestack_max = 64;	610	PL_savestack_max = 24;
528		611
529	#if !PERL_VERSION_ATLEAST (5,9,0)	612	#if !PERL_VERSION_ATLEAST (5,10,0)
530	New(54,PL_retstack,4,OP*);	613	New(54,PL_retstack,4,OP*);
531	PL_retstack_ix = 0;	614	PL_retstack_ix = 0;
532	PL_retstack_max = 4;	615	PL_retstack_max = 4;
533	#endif	616	#endif
534	}	617	}
…		…
557		640
558	Safefree (PL_tmps_stack);	641	Safefree (PL_tmps_stack);
559	Safefree (PL_markstack);	642	Safefree (PL_markstack);
560	Safefree (PL_scopestack);	643	Safefree (PL_scopestack);
561	Safefree (PL_savestack);	644	Safefree (PL_savestack);
562	#if !PERL_VERSION_ATLEAST (5,9,0)	645	#if !PERL_VERSION_ATLEAST (5,10,0)
563	Safefree (PL_retstack);	646	Safefree (PL_retstack);
564	#endif	647	#endif
565	}	648	}
566		649
567	static size_t	650	static size_t
…		…
569	{	652	{
570	size_t rss = sizeof (*coro);	653	size_t rss = sizeof (*coro);
571		654
572	if (coro->mainstack)	655	if (coro->mainstack)
573	{	656	{
		657	perl_slots tmp_slot;
		658	perl_slots *slot;
		659
574	if (coro->flags & CF_RUNNING)	660	if (coro->flags & CF_RUNNING)
575	{	661	{
		662	slot = &tmp_slot;
		663
576	#define VAR(name,type)coro->name = PL_ ## name;	664	#define VAR(name,type) slot->name = PL_ ## name;
577	# include "state.h"	665	# include "state.h"
578	#undef VAR	666	#undef VAR
579	}	667	}
		668	else
		669	slot = coro->slot;
580		670
		671	if (slot)
		672	{
581	rss += sizeof (coro->curstackinfo);	673	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);	674	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	675	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
585	rss += coro->tmps_max * sizeof (SV *);	676	rss += slot->tmps_max * sizeof (SV *);
586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	677	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
587	rss += coro->scopestack_max * sizeof (I32);	678	rss += slot->scopestack_max * sizeof (I32);
588	rss += coro->savestack_max * sizeof (ANY);	679	rss += slot->savestack_max * sizeof (ANY);
589		680
590	#if !PERL_VERSION_ATLEAST (5,9,0)	681	#if !PERL_VERSION_ATLEAST (5,10,0)
591	rss += coro->retstack_max * sizeof (OP *);	682	rss += slot->retstack_max * sizeof (OP *);
592	#endif	683	#endif
		684	}
593	}	685	}
594		686
595	return rss;	687	return rss;
596	}	688	}
597		689
598	/ coroutine stack handling **********************************************/	690	/ coroutine stack handling **********************************************/
		691
		692	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		693	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		694	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		695
		696	/* apparently < 5.8.8 */
		697	#ifndef MgPV_nolen_const
		698	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		699	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		700	(const char*)(mg)->mg_ptr)
		701	#endif
		702
		703	/*
		704	* This overrides the default magic get method of %SIG elements.
		705	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		706	* and instead of tryign to save and restore the hash elements, we just provide
		707	* readback here.
		708	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		709	* not expecting this to actually change the hook. This is a potential problem
		710	* when a schedule happens then, but we ignore this.
		711	*/
		712	static int
		713	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		714	{
		715	const char *s = MgPV_nolen_const (mg);
		716
		717	if (*s == '_')
		718	{
		719	SV **svp = 0;
		720
		721	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		722	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		723
		724	if (svp)
		725	{
		726	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		727	return 0;
		728	}
		729	}
		730
		731	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		732	}
		733
		734	static int
		735	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		736	{
		737	const char *s = MgPV_nolen_const (mg);
		738
		739	if (*s == '_')
		740	{
		741	SV **svp = 0;
		742
		743	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		744	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		745
		746	if (svp)
		747	{
		748	SV old = svp;
		749	*svp = 0;
		750	SvREFCNT_dec (old);
		751	return 0;
		752	}
		753	}
		754
		755	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		760	{
		761	const char *s = MgPV_nolen_const (mg);
		762
		763	if (*s == '_')
		764	{
		765	SV **svp = 0;
		766
		767	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		768	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		769
		770	if (svp)
		771	{
		772	SV old = svp;
		773	*svp = newSVsv (sv);
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		780	}
599		781
600	static void	782	static void
601	coro_setup (pTHX_ struct coro *coro)	783	coro_setup (pTHX_ struct coro *coro)
602	{	784	{
603	/*	785	/*
…		…
608	PL_runops = RUNOPS_DEFAULT;	790	PL_runops = RUNOPS_DEFAULT;
609	PL_curcop = &PL_compiling;	791	PL_curcop = &PL_compiling;
610	PL_in_eval = EVAL_NULL;	792	PL_in_eval = EVAL_NULL;
611	PL_comppad = 0;	793	PL_comppad = 0;
612	PL_curpm = 0;	794	PL_curpm = 0;
		795	PL_curpad = 0;
613	PL_localizing = 0;	796	PL_localizing = 0;
614	PL_dirty = 0;	797	PL_dirty = 0;
615	PL_restartop = 0;	798	PL_restartop = 0;
		799	#if PERL_VERSION_ATLEAST (5,10,0)
		800	PL_parser = 0;
		801	#endif
		802
		803	/* recreate the die/warn hooks */
		804	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		805	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
616		806
617	GvSV (PL_defgv) = newSV (0);	807	GvSV (PL_defgv) = newSV (0);
618	GvAV (PL_defgv) = coro->args; coro->args = 0;	808	GvAV (PL_defgv) = coro->args; coro->args = 0;
619	GvSV (PL_errgv) = newSV (0);	809	GvSV (PL_errgv) = newSV (0);
620	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	810	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
621	PL_rs = newSVsv (GvSV (irsgv));	811	PL_rs = newSVsv (GvSV (irsgv));
622	PL_defoutgv = SvREFCNT_inc (stdoutgv);	812	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
623
624	ENTER; /* necessary e.g. for dounwind */
625		813
626	{	814	{
627	dSP;	815	dSP;
628	LOGOP myop;	816	LOGOP myop;
629		817
…		…
636	PUTBACK;	824	PUTBACK;
637	PL_op = (OP *)&myop;	825	PL_op = (OP *)&myop;
638	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	826	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
639	SPAGAIN;	827	SPAGAIN;
640	}	828	}
		829
		830	/* this newly created coroutine might be run on an existing cctx which most
		831	* likely was suspended in set_stacklevel, called from entersub.
		832	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		833	* so we ENTER here for symmetry
		834	*/
		835	ENTER;
641	}	836	}
642		837
643	static void	838	static void
644	coro_destroy (pTHX_ struct coro *coro)	839	coro_destroy (pTHX_ struct coro *coro)
645	{	840	{
…		…
665	SvREFCNT_dec (GvSV (PL_errgv));	860	SvREFCNT_dec (GvSV (PL_errgv));
666	SvREFCNT_dec (PL_defoutgv);	861	SvREFCNT_dec (PL_defoutgv);
667	SvREFCNT_dec (PL_rs);	862	SvREFCNT_dec (PL_rs);
668	SvREFCNT_dec (GvSV (irsgv));	863	SvREFCNT_dec (GvSV (irsgv));
669		864
		865	SvREFCNT_dec (PL_diehook);
		866	SvREFCNT_dec (PL_warnhook);
		867
670	SvREFCNT_dec (coro->saved_deffh);	868	SvREFCNT_dec (coro->saved_deffh);
671	//SvREFCNT_dec (coro->throw);	869	SvREFCNT_dec (coro->throw);
672		870
673	coro_destroy_stacks (aTHX);	871	coro_destroy_stacks (aTHX);
674	}	872	}
675		873
676	static void	874	static void
…		…
763	SAVETMPS;	961	SAVETMPS;
764	EXTEND (SP, 3);	962	EXTEND (SP, 3);
765	PUSHMARK (SP);	963	PUSHMARK (SP);
766	PUSHs (&PL_sv_yes);	964	PUSHs (&PL_sv_yes);
767	PUSHs (fullname);	965	PUSHs (fullname);
768	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	966	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
769	PUTBACK;	967	PUTBACK;
770	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	968	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);	969	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
772	SPAGAIN;	970	SPAGAIN;
773	FREETMPS;	971	FREETMPS;
…		…
809		1007
810	/* inject a fake call to Coro::State::_cctx_init into the execution */	1008	/* 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 */	1009	/* _cctx_init should be careful, as it could be called at almost any time */
812	/* during execution of a perl program */	1010	/* during execution of a perl program */
813	static void NOINLINE	1011	static void NOINLINE
814	prepare_cctx (pTHX_ coro_cctx *cctx)	1012	cctx_prepare (pTHX_ coro_cctx *cctx)
815	{	1013	{
816	dSP;	1014	dSP;
817	LOGOP myop;	1015	LOGOP myop;
818		1016
819	PL_top_env = &PL_start_env;	1017	PL_top_env = &PL_start_env;
…		…
837		1035
838	/*	1036	/*
839	* this is a _very_ stripped down perl interpreter ;)	1037	* this is a _very_ stripped down perl interpreter ;)
840	*/	1038	*/
841	static void	1039	static void
842	coro_run (void *arg)	1040	cctx_run (void *arg)
843	{	1041	{
844	dTHX;	1042	dTHX;
845		1043
846	/* coro_run is the alternative tail of transfer(), so unlock here. */	1044	/* cctx_run is the alternative tail of transfer(), so unlock here. */
847	UNLOCK;	1045	UNLOCK;
848		1046
849	/* we now skip the entersub that lead to transfer() */	1047	/* we now skip the entersub that lead to transfer() */
850	PL_op = PL_op->op_next;	1048	PL_op = PL_op->op_next;
851		1049
852	/* inject a fake subroutine call to cctx_init */	1050	/* inject a fake subroutine call to cctx_init */
853	prepare_cctx (aTHX_ (coro_cctx *)arg);	1051	cctx_prepare (aTHX_ (coro_cctx *)arg);
854		1052
855	/* somebody or something will hit me for both perl_run and PL_restartop */	1053	/* somebody or something will hit me for both perl_run and PL_restartop */
856	PL_restartop = PL_op;	1054	PL_restartop = PL_op;
857	perl_run (PL_curinterp);	1055	perl_run (PL_curinterp);
858		1056
…		…
877	++cctx_count;	1075	++cctx_count;
878		1076
879	Newz (0, cctx, 1, coro_cctx);	1077	Newz (0, cctx, 1, coro_cctx);
880		1078
881	#if HAVE_MMAP	1079	#if HAVE_MMAP
882
883	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1080	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
884	/* mmap supposedly does allocate-on-write for us */	1081	/* 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);	1082	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
886		1083
887	if (cctx->sptr != (void *)-1)	1084	if (cctx->sptr != (void *)-1)
…		…
908	stack_start = cctx->sptr;	1105	stack_start = cctx->sptr;
909	stack_size = cctx->ssize;	1106	stack_size = cctx->ssize;
910	}	1107	}
911		1108
912	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1109	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
913	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1110	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
914		1111
915	return cctx;	1112	return cctx;
916	}	1113	}
917		1114
918	static void	1115	static void
…		…
990	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1187	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
991		1188
992	if (expect_false (next->flags & CF_DESTROYED))	1189	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");	1190	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
994		1191
		1192	#if !PERL_VERSION_ATLEAST (5,10,0)
995	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1193	if (expect_false (PL_lex_state != LEX_NOTPARSING))
996	croak ("Coro::State::transfer called while parsing, but this is not supported");	1194	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1195	#endif
997	}	1196	}
998	}	1197	}
999		1198
1000	/* always use the TRANSFER macro */	1199	/* always use the TRANSFER macro */
1001	static void NOINLINE	1200	static void NOINLINE
1002	transfer (pTHX_ struct coro prev, struct coro next)	1201	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1003	{	1202	{
1004	dSTACKLEVEL;	1203	dSTACKLEVEL;
		1204	static volatile int has_throw;
1005		1205
1006	/* sometimes transfer is only called to set idle_sp */	1206	/* sometimes transfer is only called to set idle_sp */
1007	if (expect_false (!next))	1207	if (expect_false (!next))
1008	{	1208	{
1009	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1209	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1024	prev->flags &= ~CF_RUNNING;	1224	prev->flags &= ~CF_RUNNING;
1025	next->flags \|= CF_RUNNING;	1225	next->flags \|= CF_RUNNING;
1026		1226
1027	LOCK;	1227	LOCK;
1028		1228
		1229	/* first get rid of the old state */
		1230	save_perl (aTHX_ prev);
		1231
1029	if (expect_false (next->flags & CF_NEW))	1232	if (expect_false (next->flags & CF_NEW))
1030	{	1233	{
1031	/* need to start coroutine */	1234	/* need to start coroutine */
1032	next->flags &= ~CF_NEW;	1235	next->flags &= ~CF_NEW;
1033	/* first get rid of the old state */
1034	save_perl (aTHX_ prev);
1035	/* setup coroutine call */	1236	/* setup coroutine call */
1036	coro_setup (aTHX_ next);	1237	coro_setup (aTHX_ next);
1037	}	1238	}
1038	else	1239	else
1039	{
1040	/* coroutine already started */
1041	save_perl (aTHX_ prev);
1042	load_perl (aTHX_ next);	1240	load_perl (aTHX_ next);
1043	}
1044		1241
1045	prev__cctx = prev->cctx;	1242	prev__cctx = prev->cctx;
1046		1243
1047	/* possibly "free" the cctx */	1244	/* possibly "free" the cctx */
1048	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1245	if (expect_true (
		1246	prev__cctx->idle_sp == STACKLEVEL
		1247	&& !(prev__cctx->flags & CC_TRACE)
		1248	&& !force_cctx
		1249	))
1049	{	1250	{
1050	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1251	/* 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));	1252	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1052		1253
1053	prev->cctx = 0;	1254	prev->cctx = 0;
1054		1255
1055	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1256	/* 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 */	1257	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1057	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1258	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1259	if (!next->cctx)
1058	next->cctx = cctx_get (aTHX);	1260	next->cctx = cctx_get (aTHX);
1059		1261
1060	cctx_put (prev__cctx);	1262	cctx_put (prev__cctx);
1061	}	1263	}
1062		1264
1063	++next->usecount;	1265	++next->usecount;
1064		1266
1065	if (expect_true (!next->cctx))	1267	if (expect_true (!next->cctx))
1066	next->cctx = cctx_get (aTHX);	1268	next->cctx = cctx_get (aTHX);
		1269
		1270	has_throw = !!next->throw;
1067		1271
1068	if (expect_false (prev__cctx != next->cctx))	1272	if (expect_false (prev__cctx != next->cctx))
1069	{	1273	{
1070	prev__cctx->top_env = PL_top_env;	1274	prev__cctx->top_env = PL_top_env;
1071	PL_top_env = next->cctx->top_env;	1275	PL_top_env = next->cctx->top_env;
1072	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1276	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1073	}	1277	}
1074		1278
1075	free_coro_mortal (aTHX);	1279	free_coro_mortal (aTHX);
1076	UNLOCK;	1280	UNLOCK;
		1281
		1282	if (expect_false (has_throw))
		1283	{
		1284	struct coro *coro = SvSTATE (coro_current);
		1285
		1286	if (coro->throw)
		1287	{
		1288	SV *exception = coro->throw;
		1289	coro->throw = 0;
		1290	sv_setsv (ERRSV, exception);
		1291	croak (0);
		1292	}
		1293	}
1077	}	1294	}
1078	}	1295	}
1079		1296
1080	struct transfer_args	1297	struct transfer_args
1081	{	1298	{
1082	struct coro prev, next;	1299	struct coro prev, next;
1083	};	1300	};
1084		1301
1085	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1302	#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)	1303	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1087		1304
1088	/ high level stuff ******************************************************/	1305	/ high level stuff ******************************************************/
1089		1306
1090	static int	1307	static int
…		…
1116	save_perl (aTHX_ &temp);	1333	save_perl (aTHX_ &temp);
1117	load_perl (aTHX_ coro);	1334	load_perl (aTHX_ coro);
1118		1335
1119	coro_destroy (aTHX_ coro);	1336	coro_destroy (aTHX_ coro);
1120		1337
1121	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1338	load_perl (aTHX_ &temp);
1122		1339
1123	coro->mainstack = 0;	1340	coro->slot = 0;
1124	}	1341	}
1125		1342
1126	cctx_destroy (coro->cctx);	1343	cctx_destroy (coro->cctx);
1127	SvREFCNT_dec (coro->args);	1344	SvREFCNT_dec (coro->args);
1128		1345
…		…
1184	{	1401	{
1185	dTHX;	1402	dTHX;
1186	struct transfer_args ta;	1403	struct transfer_args ta;
1187		1404
1188	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1405	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1189	TRANSFER (ta);	1406	TRANSFER (ta, 1);
1190	}	1407	}
1191		1408
1192	/ Coro ******************************************************************/	1409	/ Coro ******************************************************************/
1193		1410
1194	static void	1411	static void
…		…
1196	{	1413	{
1197	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1414	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1198	}	1415	}
1199		1416
1200	static SV *	1417	static SV *
1201	coro_deq (pTHX_ int min_prio)	1418	coro_deq (pTHX)
1202	{	1419	{
1203	int prio = PRIO_MAX - PRIO_MIN;	1420	int prio;
1204		1421
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; )	1422	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1210	if (AvFILLp (coro_ready [prio]) >= 0)	1423	if (AvFILLp (coro_ready [prio]) >= 0)
1211	return av_shift (coro_ready [prio]);	1424	return av_shift (coro_ready [prio]);
1212		1425
1213	return 0;	1426	return 0;
1214	}	1427	}
…		…
1216	static int	1429	static int
1217	api_ready (SV *coro_sv)	1430	api_ready (SV *coro_sv)
1218	{	1431	{
1219	dTHX;	1432	dTHX;
1220	struct coro *coro;	1433	struct coro *coro;
		1434	SV *sv_hook;
		1435	void (*xs_hook)(void);
1221		1436
1222	if (SvROK (coro_sv))	1437	if (SvROK (coro_sv))
1223	coro_sv = SvRV (coro_sv);	1438	coro_sv = SvRV (coro_sv);
1224		1439
1225	coro = SvSTATE (coro_sv);	1440	coro = SvSTATE (coro_sv);
…		…
1228	return 0;	1443	return 0;
1229		1444
1230	coro->flags \|= CF_READY;	1445	coro->flags \|= CF_READY;
1231		1446
1232	LOCK;	1447	LOCK;
		1448
		1449	sv_hook = coro_nready ? 0 : coro_readyhook;
		1450	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1451
1233	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1452	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1234	++coro_nready;	1453	++coro_nready;
		1454
1235	UNLOCK;	1455	UNLOCK;
		1456
		1457	if (sv_hook)
		1458	{
		1459	dSP;
		1460
		1461	ENTER;
		1462	SAVETMPS;
		1463
		1464	PUSHMARK (SP);
		1465	PUTBACK;
		1466	call_sv (sv_hook, G_DISCARD);
		1467	SPAGAIN;
		1468
		1469	FREETMPS;
		1470	LEAVE;
		1471	}
		1472
		1473	if (xs_hook)
		1474	xs_hook ();
1236		1475
1237	return 1;	1476	return 1;
1238	}	1477	}
1239		1478
1240	static int	1479	static int
…		…
1250	SV prev_sv, next_sv;	1489	SV prev_sv, next_sv;
1251		1490
1252	for (;;)	1491	for (;;)
1253	{	1492	{
1254	LOCK;	1493	LOCK;
1255	next_sv = coro_deq (aTHX_ PRIO_MIN);	1494	next_sv = coro_deq (aTHX);
1256		1495
1257	/* nothing to schedule: call the idle handler */	1496	/* nothing to schedule: call the idle handler */
1258	if (expect_false (!next_sv))	1497	if (expect_false (!next_sv))
1259	{	1498	{
1260	dSP;	1499	dSP;
…		…
1264	SAVETMPS;	1503	SAVETMPS;
1265		1504
1266	PUSHMARK (SP);	1505	PUSHMARK (SP);
1267	PUTBACK;	1506	PUTBACK;
1268	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1507	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1508	SPAGAIN;
1269		1509
1270	FREETMPS;	1510	FREETMPS;
1271	LEAVE;	1511	LEAVE;
1272	continue;	1512	continue;
1273	}	1513	}
…		…
1328	{	1568	{
1329	dTHX;	1569	dTHX;
1330	struct transfer_args ta;	1570	struct transfer_args ta;
1331		1571
1332	prepare_schedule (aTHX_ &ta);	1572	prepare_schedule (aTHX_ &ta);
1333	TRANSFER (ta);	1573	TRANSFER (ta, 1);
1334	}	1574	}
1335		1575
1336	static int	1576	static int
1337	api_cede (void)	1577	api_cede (void)
1338	{	1578	{
…		…
1341		1581
1342	prepare_cede (aTHX_ &ta);	1582	prepare_cede (aTHX_ &ta);
1343		1583
1344	if (expect_true (ta.prev != ta.next))	1584	if (expect_true (ta.prev != ta.next))
1345	{	1585	{
1346	TRANSFER (ta);	1586	TRANSFER (ta, 1);
1347	return 1;	1587	return 1;
1348	}	1588	}
1349	else	1589	else
1350	return 0;	1590	return 0;
1351	}	1591	}
…		…
1356	dTHX;	1596	dTHX;
1357	struct transfer_args ta;	1597	struct transfer_args ta;
1358		1598
1359	if (prepare_cede_notself (aTHX_ &ta))	1599	if (prepare_cede_notself (aTHX_ &ta))
1360	{	1600	{
1361	TRANSFER (ta);	1601	TRANSFER (ta, 1);
1362	return 1;	1602	return 1;
1363	}	1603	}
1364	else	1604	else
1365	return 0;	1605	return 0;
1366	}	1606	}
…		…
1385	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1625	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1386		1626
1387	if (coro->flags & CF_RUNNING)	1627	if (coro->flags & CF_RUNNING)
1388	PL_runops = RUNOPS_DEFAULT;	1628	PL_runops = RUNOPS_DEFAULT;
1389	else	1629	else
1390	coro->runops = RUNOPS_DEFAULT;	1630	coro->slot->runops = RUNOPS_DEFAULT;
1391	}	1631	}
1392	}	1632	}
		1633
		1634	static int
		1635	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1636	{
		1637	AV *padlist;
		1638	AV av = (AV )mg->mg_obj;
		1639
		1640	abort ();
		1641
		1642	return 0;
		1643	}
		1644
		1645	static MGVTBL coro_gensub_vtbl = {
		1646	0, 0, 0, 0,
		1647	coro_gensub_free
		1648	};
1393		1649
1394	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1650	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1395		1651
1396	PROTOTYPES: DISABLE	1652	PROTOTYPES: DISABLE
1397		1653
…		…
1402	#endif	1658	#endif
1403	BOOT_PAGESIZE;	1659	BOOT_PAGESIZE;
1404		1660
1405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1661	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1662	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1663
		1664	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1665	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1666	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1667
		1668	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1669	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1670	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1407		1671
1408	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1672	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1409		1673
1410	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1674	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1411	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1675	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1416	main_top_env = PL_top_env;	1680	main_top_env = PL_top_env;
1417		1681
1418	while (main_top_env->je_prev)	1682	while (main_top_env->je_prev)
1419	main_top_env = main_top_env->je_prev;	1683	main_top_env = main_top_env->je_prev;
1420		1684
1421	coroapi.ver = CORO_API_VERSION;	1685	coroapi.ver = CORO_API_VERSION;
		1686	coroapi.rev = CORO_API_REVISION;
1422	coroapi.transfer = api_transfer;	1687	coroapi.transfer = api_transfer;
1423		1688
1424	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1689	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1425	}	1690	}
1426		1691
1427	SV *	1692	SV *
1428	new (char *klass, ...)	1693	new (char *klass, ...)
1429	CODE:	1694	CODE:
1430	{	1695	{
1431	struct coro *coro;	1696	struct coro *coro;
		1697	MAGIC *mg;
1432	HV *hv;	1698	HV *hv;
1433	int i;	1699	int i;
1434		1700
1435	Newz (0, coro, 1, struct coro);	1701	Newz (0, coro, 1, struct coro);
1436	coro->args = newAV ();	1702	coro->args = newAV ();
…		…
1439	if (coro_first) coro_first->prev = coro;	1705	if (coro_first) coro_first->prev = coro;
1440	coro->next = coro_first;	1706	coro->next = coro_first;
1441	coro_first = coro;	1707	coro_first = coro;
1442		1708
1443	coro->hv = hv = newHV ();	1709	coro->hv = hv = newHV ();
1444	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1710	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1711	mg->mg_flags \|= MGf_DUP;
1445	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1712	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1446		1713
1447	av_extend (coro->args, items - 1);	1714	av_extend (coro->args, items - 1);
1448	for (i = 1; i < items; i++)	1715	for (i = 1; i < items; i++)
1449	av_push (coro->args, newSVsv (ST (i)));	1716	av_push (coro->args, newSVsv (ST (i)));
…		…
1463	Coro::cede_notself = 4	1730	Coro::cede_notself = 4
1464	CODE:	1731	CODE:
1465	{	1732	{
1466	struct transfer_args ta;	1733	struct transfer_args ta;
1467		1734
		1735	PUTBACK;
1468	switch (ix)	1736	switch (ix)
1469	{	1737	{
1470	case 0:	1738	case 0:
1471	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1739	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1472	ta.next = 0;	1740	ta.next = 0;
…		…
1491	if (!prepare_cede_notself (aTHX_ &ta))	1759	if (!prepare_cede_notself (aTHX_ &ta))
1492	XSRETURN_EMPTY;	1760	XSRETURN_EMPTY;
1493		1761
1494	break;	1762	break;
1495	}	1763	}
		1764	SPAGAIN;
1496		1765
1497	BARRIER;	1766	BARRIER;
		1767	PUTBACK;
1498	TRANSFER (ta);	1768	TRANSFER (ta, 0);
1499		1769	SPAGAIN; /* might be the sp of a different coroutine now */
1500	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1770	/* be extra careful not to ever do anything after TRANSFER */
1501	XSRETURN_YES;
1502	}	1771	}
1503		1772
1504	bool	1773	bool
1505	_destroy (SV *coro_sv)	1774	_destroy (SV *coro_sv)
1506	CODE:	1775	CODE:
1507	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1776	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1508	OUTPUT:	1777	OUTPUT:
1509	RETVAL	1778	RETVAL
1510		1779
1511	void	1780	void
1512	_exit (code)	1781	_exit (int code)
1513	int code
1514	PROTOTYPE: $	1782	PROTOTYPE: $
1515	CODE:	1783	CODE:
1516	_exit (code);	1784	_exit (code);
1517		1785
1518	int	1786	int
…		…
1552	call (Coro::State coro, SV *coderef)	1820	call (Coro::State coro, SV *coderef)
1553	ALIAS:	1821	ALIAS:
1554	eval = 1	1822	eval = 1
1555	CODE:	1823	CODE:
1556	{	1824	{
1557	if (coro->mainstack)	1825	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1558	{	1826	{
1559	struct coro temp;	1827	struct coro temp;
1560	Zero (&temp, 1, struct coro);
1561		1828
1562	if (!(coro->flags & CF_RUNNING))	1829	if (!(coro->flags & CF_RUNNING))
1563	{	1830	{
		1831	PUTBACK;
1564	save_perl (aTHX_ &temp);	1832	save_perl (aTHX_ &temp);
1565	load_perl (aTHX_ coro);	1833	load_perl (aTHX_ coro);
1566	}	1834	}
1567		1835
1568	{	1836	{
1569	dSP;	1837	dSP;
1570	ENTER;	1838	ENTER;
1571	SAVETMPS;	1839	SAVETMPS;
		1840	PUTBACK;
		1841	PUSHSTACK;
1572	PUSHMARK (SP);	1842	PUSHMARK (SP);
1573	PUTBACK;	1843
1574	if (ix)	1844	if (ix)
1575	eval_sv (coderef, 0);	1845	eval_sv (coderef, 0);
1576	else	1846	else
1577	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1847	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1848
		1849	POPSTACK;
1578	SPAGAIN;	1850	SPAGAIN;
1579	FREETMPS;	1851	FREETMPS;
1580	LEAVE;	1852	LEAVE;
1581	PUTBACK;	1853	PUTBACK;
1582	}	1854	}
1583		1855
1584	if (!(coro->flags & CF_RUNNING))	1856	if (!(coro->flags & CF_RUNNING))
1585	{	1857	{
1586	save_perl (aTHX_ coro);	1858	save_perl (aTHX_ coro);
1587	load_perl (aTHX_ &temp);	1859	load_perl (aTHX_ &temp);
		1860	SPAGAIN;
1588	}	1861	}
1589	}	1862	}
1590	}	1863	}
1591		1864
1592	SV *	1865	SV *
…		…
1604		1877
1605	void	1878	void
1606	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1879	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1607		1880
1608	SV *	1881	SV *
1609	has_stack (Coro::State coro)	1882	has_cctx (Coro::State coro)
1610	PROTOTYPE: $	1883	PROTOTYPE: $
1611	CODE:	1884	CODE:
1612	RETVAL = boolSV (!!coro->cctx);	1885	RETVAL = boolSV (!!coro->cctx);
1613	OUTPUT:	1886	OUTPUT:
1614	RETVAL	1887	RETVAL
…		…
1633	case 1: RETVAL = coro->usecount; break;	1906	case 1: RETVAL = coro->usecount; break;
1634	}	1907	}
1635	OUTPUT:	1908	OUTPUT:
1636	RETVAL	1909	RETVAL
1637		1910
		1911	void
		1912	force_cctx ()
		1913	CODE:
		1914	struct coro *coro = SvSTATE (coro_current);
		1915	coro->cctx->idle_sp = 0;
		1916
		1917	void
		1918	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1919	PROTOTYPE: $;$
		1920	CODE:
		1921	SvREFCNT_dec (self->throw);
		1922	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1923
		1924	void
		1925	swap_defsv (Coro::State self)
		1926	PROTOTYPE: $
		1927	ALIAS:
		1928	swap_defav = 1
		1929	CODE:
		1930	if (!self->slot)
		1931	croak ("cannot swap state with coroutine that has no saved state");
		1932	else
		1933	{
		1934	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1935	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1936
		1937	SV tmp = src; src = dst; *dst = tmp;
		1938	}
1638		1939
1639	MODULE = Coro::State PACKAGE = Coro	1940	MODULE = Coro::State PACKAGE = Coro
1640		1941
1641	BOOT:	1942	BOOT:
1642	{	1943	{
1643	int i;	1944	int i;
1644		1945
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);	1946	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		1947	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		1948	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1648		1949
1649	coro_current = get_sv ("Coro::current", FALSE);	1950	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1650	SvREADONLY_on (coro_current);	1951	SvREADONLY_on (coro_current);
1651		1952
1652	coro_stash = gv_stashpv ("Coro", TRUE);	1953	coro_stash = gv_stashpv ("Coro", TRUE);
1653		1954
1654	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1955	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1655	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1956	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1656	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1957	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1657	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1958	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1660		1961
1661	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1962	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1662	coro_ready[i] = newAV ();	1963	coro_ready[i] = newAV ();
1663		1964
1664	{	1965	{
1665	SV *sv = perl_get_sv("Coro::API", 1);	1966	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1967	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1666		1968
1667	coroapi.schedule = api_schedule;	1969	coroapi.schedule = api_schedule;
1668	coroapi.cede = api_cede;	1970	coroapi.cede = api_cede;
1669	coroapi.cede_notself = api_cede_notself;	1971	coroapi.cede_notself = api_cede_notself;
1670	coroapi.ready = api_ready;	1972	coroapi.ready = api_ready;
…		…
1683	PROTOTYPE: $	1985	PROTOTYPE: $
1684	CODE:	1986	CODE:
1685	SvREFCNT_dec (SvRV (coro_current));	1987	SvREFCNT_dec (SvRV (coro_current));
1686	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1988	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1687		1989
		1990	void
		1991	_set_readyhook (SV *hook)
		1992	PROTOTYPE: $
		1993	CODE:
		1994	LOCK;
		1995	SvREFCNT_dec (coro_readyhook);
		1996	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1997	UNLOCK;
		1998
1688	int	1999	int
1689	prio (Coro::State coro, int newprio = 0)	2000	prio (Coro::State coro, int newprio = 0)
1690	ALIAS:	2001	ALIAS:
1691	nice = 1	2002	nice = 1
1692	CODE:	2003	CODE:
…		…
1734	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2045	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1735	AV *invoke_av;	2046	AV *invoke_av;
1736	int i, len;	2047	int i, len;
1737		2048
1738	if (!invoke)	2049	if (!invoke)
		2050	{
		2051	SV *old = PL_diehook;
		2052	PL_diehook = 0;
		2053	SvREFCNT_dec (old);
1739	croak ("\3terminate\2\n");	2054	croak ("\3async_pool terminate\2\n");
		2055	}
1740		2056
1741	SvREFCNT_dec (coro->saved_deffh);	2057	SvREFCNT_dec (coro->saved_deffh);
1742	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2058	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1743		2059
1744	hv_store (hv, "desc", sizeof ("desc") - 1,	2060	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1770	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2086	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1771	coro->saved_deffh = 0;	2087	coro->saved_deffh = 0;
1772		2088
1773	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2089	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1774	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2090	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2091	{
		2092	SV *old = PL_diehook;
		2093	PL_diehook = 0;
		2094	SvREFCNT_dec (old);
1775	croak ("\3terminate\2\n");	2095	croak ("\3async_pool terminate\2\n");
		2096	}
1776		2097
1777	av_clear (GvAV (PL_defgv));	2098	av_clear (GvAV (PL_defgv));
1778	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2099	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1779	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2100	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1780		2101
…		…
1783	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2104	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1784	api_trace (coro_current, 0);	2105	api_trace (coro_current, 0);
1785		2106
1786	av_push (av_async_pool, newSVsv (coro_current));	2107	av_push (av_async_pool, newSVsv (coro_current));
1787	}	2108	}
		2109
		2110	#if 0
		2111
		2112	void
		2113	_generator_call (...)
		2114	PROTOTYPE: @
		2115	PPCODE:
		2116	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2117	xxxx
		2118	abort ();
		2119
		2120	SV *
		2121	gensub (SV *sub, ...)
		2122	PROTOTYPE: &;@
		2123	CODE:
		2124	{
		2125	struct coro *coro;
		2126	MAGIC *mg;
		2127	CV *xcv;
		2128	CV ncv = (CV )newSV_type (SVt_PVCV);
		2129	int i;
		2130
		2131	CvGV (ncv) = CvGV (cv);
		2132	CvFILE (ncv) = CvFILE (cv);
		2133
		2134	Newz (0, coro, 1, struct coro);
		2135	coro->args = newAV ();
		2136	coro->flags = CF_NEW;
		2137
		2138	av_extend (coro->args, items - 1);
		2139	for (i = 1; i < items; i++)
		2140	av_push (coro->args, newSVsv (ST (i)));
		2141
		2142	CvISXSUB_on (ncv);
		2143	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2144
		2145	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2146
		2147	CvXSUB (ncv) = CvXSUB (xcv);
		2148	CvANON_on (ncv);
		2149
		2150	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2151	RETVAL = newRV_noinc ((SV *)ncv);
		2152	}
		2153	OUTPUT:
		2154	RETVAL
		2155
		2156	#endif
1788		2157
1789		2158
1790	MODULE = Coro::State PACKAGE = Coro::AIO	2159	MODULE = Coro::State PACKAGE = Coro::AIO
1791		2160
1792	SV *	2161	SV *
…		…
1819	PL_laststype = data->laststype;	2188	PL_laststype = data->laststype;
1820	PL_laststatval = data->laststatval;	2189	PL_laststatval = data->laststatval;
1821	PL_statcache = data->statcache;	2190	PL_statcache = data->statcache;
1822	}	2191	}
1823		2192
		2193
		2194	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2195
		2196	BOOT:
		2197	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2198
		2199	SV *
		2200	_schedule (...)
		2201	PROTOTYPE: @
		2202	CODE:
		2203	{
		2204	static int incede;
		2205
		2206	api_cede_notself ();
		2207
		2208	++incede;
		2209	while (coro_nready >= incede && api_cede ())
		2210	;
		2211
		2212	sv_setsv (sv_activity, &PL_sv_undef);
		2213	if (coro_nready >= incede)
		2214	{
		2215	PUSHMARK (SP);
		2216	PUTBACK;
		2217	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2218	SPAGAIN;
		2219	}
		2220
		2221	--incede;
		2222	}
		2223

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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 1.245 by root, Mon Sep 22 05:40:21 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 1.245 by root, Mon Sep 22 05:40:21 2008 UTC