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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.176 by root, Sun Sep 30 13:50:38 2007 UTC vs.
Revision 1.209 by root, Wed Oct 10 02:58:17 2007 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	#include <inttypes.h> /* portable stdint.h */
14		16
15	#ifdef HAVE_MMAP	17	#ifdef HAVE_MMAP
16	# include <unistd.h>	18	# include <unistd.h>
17	# include <sys/mman.h>	19	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	20	# ifndef MAP_ANONYMOUS
75	/* 5.8.7 */	77	/* 5.8.7 */
76	#ifndef SvRV_set	78	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	79	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	80	#endif
79		81
		82	/* 5.8.8 */
		83	#ifndef GV_NOTQUAL
		84	# define GV_NOTQUAL 0
		85	#endif
		86	#ifndef newSV
		87	# define newSV(l) NEWSV(0,l)
		88	#endif
		89
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	91	# undef CORO_STACKGUARD
82	#endif	92	#endif
83		93
84	#ifndef CORO_STACKGUARD	94	#ifndef CORO_STACKGUARD
…		…
98	#define IN_DESTRUCT (PL_main_cv == Nullcv)	108	#define IN_DESTRUCT (PL_main_cv == Nullcv)
99		109
100	#if __GNUC__ >= 3	110	#if __GNUC__ >= 3
101	# define attribute(x) __attribute__(x)	111	# define attribute(x) __attribute__(x)
102	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	112	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		113	# define expect(expr,value) __builtin_expect ((expr),(value))
103	#else	114	#else
104	# define attribute(x)	115	# define attribute(x)
105	# define BARRIER	116	# define BARRIER
		117	# define expect(expr,value) (expr)
106	#endif	118	#endif
		119
		120	#define expect_false(expr) expect ((expr) != 0, 0)
		121	#define expect_true(expr) expect ((expr) != 0, 1)
107		122
108	#define NOINLINE attribute ((noinline))	123	#define NOINLINE attribute ((noinline))
109		124
110	#include "CoroAPI.h"	125	#include "CoroAPI.h"
111		126
…		…
116	#else	131	#else
117	# define LOCK (void)0	132	# define LOCK (void)0
118	# define UNLOCK (void)0	133	# define UNLOCK (void)0
119	#endif	134	#endif
120		135
		136	#define strpair(const) const, sizeof (const) - 1
		137
121	/* helper storage struct for Coro::AIO */	138	/* helper storage struct for Coro::AIO */
122	struct io_state	139	struct io_state
123	{	140	{
124	int errorno;	141	int errorno;
125	I32 laststype;	142	I32 laststype;
…		…
132	static AV main_mainstack; / used to differentiate between $main and others */	149	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	150	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	151	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	152	static SV coro_mortal; / will be freed after next transfer */
136		153
		154	static GV irsgv; / $/ */
		155	static GV stdoutgv; / STDOUT /
		156
		157	static HV hv_sig; / %SIG */
		158	static SV *sv_diehook;
		159	static SV *sv_warnhook;
		160
137	/* async_pool helper stuff */	161	/* async_pool helper stuff */
138	static SV *sv_pool_rss;	162	static SV *sv_pool_rss;
139	static SV *sv_pool_size;	163	static SV *sv_pool_size;
140	static AV *av_async_pool;	164	static AV *av_async_pool;
141		165
142	static struct coro_cctx *cctx_first;	166	static struct coro_cctx cctx_first[3]; / index by GIMME_V type, void, scalar, array */
143	static int cctx_count, cctx_idle;	167	static int cctx_count, cctx_idle[3];
144		168
145	enum {	169	enum {
146	CC_MAPPED = 0x01,	170	CC_MAPPED = 0x01,
147	CC_NOREUSE = 0x02, /* throw this away after tracing */	171	CC_NOREUSE = 0x02, /* throw this away after tracing */
148	CC_TRACE = 0x04,	172	CC_TRACE = 0x04,
…		…
176	CF_READY = 0x0002, /* coroutine is ready */	200	CF_READY = 0x0002, /* coroutine is ready */
177	CF_NEW = 0x0004, /* has never been switched to */	201	CF_NEW = 0x0004, /* has never been switched to */
178	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	202	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
179	};	203	};
180		204
		205	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		206	typedef struct {
		207	SV *defsv;
		208	AV *defav;
		209	SV *errsv;
		210	SV *irsgv;
		211	#define VAR(name,type) type name;
		212	# include "state.h"
		213	#undef VAR
		214	} perl_slots;
		215
		216	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		217
181	/* this is a structure representing a perl-level coroutine */	218	/* this is a structure representing a perl-level coroutine */
182	struct coro {	219	struct coro {
183	/* the c coroutine allocated to this perl coroutine, if any */	220	/* the c coroutine allocated to this perl coroutine, if any */
184	coro_cctx *cctx;	221	coro_cctx *cctx;
		222	int gimme;
185		223
		224	/* process data */
		225	AV *mainstack;
		226	perl_slots slot; / basically the saved sp */
		227
186	/* data associated with this coroutine (initial args) */	228	AV args; / data associated with this coroutine (initial args) */
187	AV *args;	229	int refcnt; /* coroutines are refcounted, yes */
188	int refcnt;
189	int save; /* CORO_SAVE flags */
190	int flags; /* CF_ flags */	230	int flags; /* CF_ flags */
191		231	HV hv; / the perl hash associated with this coro, if any */
192	/* optionally saved, might be zero */
193	AV defav; / @_ */
194	SV defsv; / $_ */
195	SV errsv; / $@ */
196	GV deffh; / default filehandle */
197	SV irssv; / $/ */
198	SV irssv_sv; / real $/ cache */
199
200	#define VAR(name,type) type name;
201	# include "state.h"
202	#undef VAR
203		232
204	/* statistics */	233	/* statistics */
205	int usecount; /* number of switches to this coro */	234	int usecount; /* number of transfers to this coro */
206		235
207	/* coro process data */	236	/* coro process data */
208	int prio;	237	int prio;
		238	SV throw; / exception to be thrown */
		239
		240	/* async_pool */
		241	SV *saved_deffh;
209		242
210	/* linked list */	243	/* linked list */
211	struct coro next, prev;	244	struct coro next, prev;
212	HV hv; / the perl hash associated with this coro, if any */
213	};	245	};
214		246
215	typedef struct coro *Coro__State;	247	typedef struct coro *Coro__State;
216	typedef struct coro *Coro__State_or_hashref;	248	typedef struct coro *Coro__State_or_hashref;
217		249
…		…
229	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	261	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
230	static int coro_nready;	262	static int coro_nready;
231	static struct coro *coro_first;	263	static struct coro *coro_first;
232		264
233	/ lowlevel stuff ********************************************************/	265	/ lowlevel stuff ********************************************************/
		266
		267	static SV *
		268	coro_get_sv (const char *name, int create)
		269	{
		270	#if PERL_VERSION_ATLEAST (5,9,0)
		271	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		272	get_sv (name, create);
		273	#endif
		274	return get_sv (name, create);
		275	}
		276
		277	static AV *
		278	coro_get_av (const char *name, int create)
		279	{
		280	#if PERL_VERSION_ATLEAST (5,9,0)
		281	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		282	get_av (name, create);
		283	#endif
		284	return get_av (name, create);
		285	}
		286
		287	static HV *
		288	coro_get_hv (const char *name, int create)
		289	{
		290	#if PERL_VERSION_ATLEAST (5,9,0)
		291	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		292	get_hv (name, create);
		293	#endif
		294	return get_hv (name, create);
		295	}
234		296
235	static AV *	297	static AV *
236	coro_clone_padlist (pTHX_ CV *cv)	298	coro_clone_padlist (pTHX_ CV *cv)
237	{	299	{
238	AV *padlist = CvPADLIST (cv);	300	AV *padlist = CvPADLIST (cv);
…		…
311	MAGIC *mg;	373	MAGIC *mg;
312		374
313	if (SvROK (coro))	375	if (SvROK (coro))
314	coro = SvRV (coro);	376	coro = SvRV (coro);
315		377
316	if (SvTYPE (coro) != SVt_PVHV)	378	if (expect_false (SvTYPE (coro) != SVt_PVHV))
317	croak ("Coro::State object required");	379	croak ("Coro::State object required");
318		380
319	stash = SvSTASH (coro);	381	stash = SvSTASH (coro);
320	if (stash != coro_stash && stash != coro_state_stash)	382	if (expect_false (stash != coro_stash && stash != coro_state_stash))
321	{	383	{
322	/* very slow, but rare, check */	384	/* very slow, but rare, check */
323	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	385	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
324	croak ("Coro::State object required");	386	croak ("Coro::State object required");
325	}	387	}
…		…
335	get_padlist (pTHX_ CV *cv)	397	get_padlist (pTHX_ CV *cv)
336	{	398	{
337	MAGIC *mg = CORO_MAGIC (cv);	399	MAGIC *mg = CORO_MAGIC (cv);
338	AV *av;	400	AV *av;
339		401
340	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	402	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
341	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	403	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
342	else	404	else
343	{	405	{
344	#if CORO_PREFER_PERL_FUNCTIONS	406	#if CORO_PREFER_PERL_FUNCTIONS
345	/* this is probably cleaner, but also slower? */	407	/* this is probably cleaner, but also slower? */
…		…
357	put_padlist (pTHX_ CV *cv)	419	put_padlist (pTHX_ CV *cv)
358	{	420	{
359	MAGIC *mg = CORO_MAGIC (cv);	421	MAGIC *mg = CORO_MAGIC (cv);
360	AV *av;	422	AV *av;
361		423
362	if (!mg)	424	if (expect_false (!mg))
363	{	425	{
364	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	426	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
365	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	427	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
366	mg->mg_virtual = &vtbl_coro;	428	mg->mg_virtual = &vtbl_coro;
367	mg->mg_obj = (SV *)newAV ();	429	mg->mg_obj = (SV *)newAV ();
368	}	430	}
369		431
370	av = (AV *)mg->mg_obj;	432	av = (AV *)mg->mg_obj;
371		433
372	if (AvFILLp (av) >= AvMAX (av))	434	if (expect_false (AvFILLp (av) >= AvMAX (av)))
373	av_extend (av, AvMAX (av) + 1);	435	av_extend (av, AvMAX (av) + 1);
374		436
375	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	437	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
376	}	438	}
377		439
378	/ load & save, init *****************************************************/	440	/ load & save, init *****************************************************/
379
380	#define SB do {
381	#define SE } while (0)
382
383	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
384		441
385	static void	442	static void
386	load_perl (pTHX_ Coro__State c)	443	load_perl (pTHX_ Coro__State c)
387	{	444	{
		445	perl_slots *slot = c->slot;
		446	c->slot = 0;
		447
		448	PL_mainstack = c->mainstack;
		449
		450	GvSV (PL_defgv) = slot->defsv;
		451	GvAV (PL_defgv) = slot->defav;
		452	GvSV (PL_errgv) = slot->errsv;
		453	GvSV (irsgv) = slot->irsgv;
		454
388	#define VAR(name,type) PL_ ## name = c->name;	455	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	456	# include "state.h"
390	#undef VAR	457	#undef VAR
391		458
392	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	459	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
393	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	460	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
394	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
395	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
396
397	if (c->irssv)
398	{
399	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
400	{
401	SvREFCNT_dec (c->irssv);
402	c->irssv = 0;
403	}
404	else
405	{
406	REPLACE_SV (PL_rs, c->irssv);
407	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
408	sv_setsv (c->irssv_sv, PL_rs);
409	}
410	}
411		461
412	{	462	{
413	dSP;	463	dSP;
		464
414	CV *cv;	465	CV *cv;
415		466
416	/* now do the ugly restore mess */	467	/* now do the ugly restore mess */
417	while ((cv = (CV *)POPs))	468	while (expect_true (cv = (CV *)POPs))
418	{	469	{
419	put_padlist (aTHX_ cv); /* mark this padlist as available */	470	put_padlist (aTHX_ cv); /* mark this padlist as available */
420	CvDEPTH (cv) = PTR2IV (POPs);	471	CvDEPTH (cv) = PTR2IV (POPs);
421	CvPADLIST (cv) = (AV *)POPs;	472	CvPADLIST (cv) = (AV *)POPs;
422	}	473	}
…		…
441		492
442	XPUSHs (Nullsv);	493	XPUSHs (Nullsv);
443	/* this loop was inspired by pp_caller */	494	/* this loop was inspired by pp_caller */
444	for (;;)	495	for (;;)
445	{	496	{
446	while (cxix >= 0)	497	while (expect_true (cxix >= 0))
447	{	498	{
448	PERL_CONTEXT *cx = &ccstk[cxix--];	499	PERL_CONTEXT *cx = &ccstk[cxix--];
449		500
450	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	501	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
451	{	502	{
452	CV *cv = cx->blk_sub.cv;	503	CV *cv = cx->blk_sub.cv;
453		504
454	if (CvDEPTH (cv))	505	if (expect_true (CvDEPTH (cv)))
455	{	506	{
456	EXTEND (SP, 3);	507	EXTEND (SP, 3);
457	PUSHs ((SV *)CvPADLIST (cv));	508	PUSHs ((SV *)CvPADLIST (cv));
458	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	509	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
459	PUSHs ((SV *)cv);	510	PUSHs ((SV *)cv);
…		…
462	get_padlist (aTHX_ cv);	513	get_padlist (aTHX_ cv);
463	}	514	}
464	}	515	}
465	}	516	}
466		517
467	if (top_si->si_type == PERLSI_MAIN)	518	if (expect_true (top_si->si_type == PERLSI_MAIN))
468	break;	519	break;
469		520
470	top_si = top_si->si_prev;	521	top_si = top_si->si_prev;
471	ccstk = top_si->si_cxstack;	522	ccstk = top_si->si_cxstack;
472	cxix = top_si->si_cxix;	523	cxix = top_si->si_cxix;
473	}	524	}
474		525
475	PUTBACK;	526	PUTBACK;
476	}	527	}
477		528
478	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	529	/* allocate some space on the context stack for our purposes */
479	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	530	/* we manually unroll here, as usually 2 slots is enough */
480	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	531	if (SLOT_COUNT >= 1) CXINC;
481	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;	532	if (SLOT_COUNT >= 2) CXINC;
482	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	533	if (SLOT_COUNT >= 3) CXINC;
		534	{
		535	int i;
		536	for (i = 3; i < SLOT_COUNT; ++i)
		537	CXINC;
		538	}
		539	cxstack_ix -= SLOT_COUNT; /* undo allocation */
483		540
		541	c->mainstack = PL_mainstack;
		542
		543	{
		544	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		545
		546	slot->defav = GvAV (PL_defgv);
		547	slot->defsv = DEFSV;
		548	slot->errsv = ERRSV;
		549	slot->irsgv = GvSV (irsgv);
		550
484	#define VAR(name,type)c->name = PL_ ## name;	551	#define VAR(name,type) slot->name = PL_ ## name;
485	# include "state.h"	552	# include "state.h"
486	#undef VAR	553	#undef VAR
		554	}
487	}	555	}
488		556
489	/*	557	/*
490	* allocate various perl stacks. This is an exact copy	558	* allocate various perl stacks. This is an exact copy
491	* of perl.c:init_stacks, except that it uses less memory	559	* of perl.c:init_stacks, except that it uses less memory
…		…
496	# define coro_init_stacks init_stacks	564	# define coro_init_stacks init_stacks
497	#else	565	#else
498	static void	566	static void
499	coro_init_stacks (pTHX)	567	coro_init_stacks (pTHX)
500	{	568	{
501	PL_curstackinfo = new_stackinfo(64, 6);	569	PL_curstackinfo = new_stackinfo(32, 8);
502	PL_curstackinfo->si_type = PERLSI_MAIN;	570	PL_curstackinfo->si_type = PERLSI_MAIN;
503	PL_curstack = PL_curstackinfo->si_stack;	571	PL_curstack = PL_curstackinfo->si_stack;
504	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	572	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
505		573
506	PL_stack_base = AvARRAY(PL_curstack);	574	PL_stack_base = AvARRAY(PL_curstack);
507	PL_stack_sp = PL_stack_base;	575	PL_stack_sp = PL_stack_base;
508	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	576	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
509		577
510	New(50,PL_tmps_stack,64,SV*);	578	New(50,PL_tmps_stack,32,SV*);
511	PL_tmps_floor = -1;	579	PL_tmps_floor = -1;
512	PL_tmps_ix = -1;	580	PL_tmps_ix = -1;
513	PL_tmps_max = 64;	581	PL_tmps_max = 32;
514		582
515	New(54,PL_markstack,16,I32);	583	New(54,PL_markstack,16,I32);
516	PL_markstack_ptr = PL_markstack;	584	PL_markstack_ptr = PL_markstack;
517	PL_markstack_max = PL_markstack + 16;	585	PL_markstack_max = PL_markstack + 16;
518		586
519	#ifdef SET_MARK_OFFSET	587	#ifdef SET_MARK_OFFSET
520	SET_MARK_OFFSET;	588	SET_MARK_OFFSET;
521	#endif	589	#endif
522		590
523	New(54,PL_scopestack,16,I32);	591	New(54,PL_scopestack,8,I32);
524	PL_scopestack_ix = 0;	592	PL_scopestack_ix = 0;
525	PL_scopestack_max = 16;	593	PL_scopestack_max = 8;
526		594
527	New(54,PL_savestack,64,ANY);	595	New(54,PL_savestack,24,ANY);
528	PL_savestack_ix = 0;	596	PL_savestack_ix = 0;
529	PL_savestack_max = 64;	597	PL_savestack_max = 24;
530		598
531	#if !PERL_VERSION_ATLEAST (5,9,0)	599	#if !PERL_VERSION_ATLEAST (5,9,0)
532	New(54,PL_retstack,4,OP*);	600	New(54,PL_retstack,4,OP*);
533	PL_retstack_ix = 0;	601	PL_retstack_ix = 0;
534	PL_retstack_max = 4;	602	PL_retstack_max = 4;
…		…
540	* destroy the stacks, the callchain etc...	608	* destroy the stacks, the callchain etc...
541	*/	609	*/
542	static void	610	static void
543	coro_destroy_stacks (pTHX)	611	coro_destroy_stacks (pTHX)
544	{	612	{
545	if (!IN_DESTRUCT)
546	{
547	/* restore all saved variables and stuff */
548	LEAVE_SCOPE (0);
549	assert (PL_tmps_floor == -1);
550
551	/* free all temporaries */
552	FREETMPS;
553	assert (PL_tmps_ix == -1);
554
555	/* unwind all extra stacks */
556	POPSTACK_TO (PL_mainstack);
557
558	/* unwind main stack */
559	dounwind (-1);
560	}
561
562	while (PL_curstackinfo->si_next)	613	while (PL_curstackinfo->si_next)
563	PL_curstackinfo = PL_curstackinfo->si_next;	614	PL_curstackinfo = PL_curstackinfo->si_next;
564		615
565	while (PL_curstackinfo)	616	while (PL_curstackinfo)
566	{	617	{
…		…
584	}	635	}
585		636
586	static size_t	637	static size_t
587	coro_rss (pTHX_ struct coro *coro)	638	coro_rss (pTHX_ struct coro *coro)
588	{	639	{
589	size_t rss = sizeof (coro);	640	size_t rss = sizeof (*coro);
590		641
591	if (coro->mainstack)	642	if (coro->mainstack)
592	{	643	{
		644	perl_slots tmp_slot;
		645	perl_slots *slot;
		646
593	if (coro->flags & CF_RUNNING)	647	if (coro->flags & CF_RUNNING)
594	{	648	{
		649	slot = &tmp_slot;
		650
595	#define VAR(name,type)coro->name = PL_ ## name;	651	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	652	# include "state.h"
597	#undef VAR	653	#undef VAR
598	}	654	}
		655	else
		656	slot = coro->slot;
599		657
600	rss += sizeof (coro->curstackinfo);	658	rss += sizeof (slot->curstackinfo);
601	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
602	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	659	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
603	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	660	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
604	rss += coro->tmps_max * sizeof (SV *);	661	rss += slot->tmps_max * sizeof (SV *);
605	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	662	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
606	rss += coro->scopestack_max * sizeof (I32);	663	rss += slot->scopestack_max * sizeof (I32);
607	rss += coro->savestack_max * sizeof (ANY);	664	rss += slot->savestack_max * sizeof (ANY);
608		665
609	#if !PERL_VERSION_ATLEAST (5,9,0)	666	#if !PERL_VERSION_ATLEAST (5,9,0)
610	rss += coro->retstack_max * sizeof (OP *);	667	rss += slot->retstack_max * sizeof (OP *);
611	#endif	668	#endif
612	}	669	}
613		670
614	return rss;	671	return rss;
615	}	672	}
616		673
617	/ coroutine stack handling **********************************************/	674	/ coroutine stack handling **********************************************/
618		675
619	static void	676	static void
620	setup_coro (pTHX_ struct coro *coro)	677	coro_setup (pTHX_ struct coro *coro)
621	{	678	{
622	/*	679	/*
623	* emulate part of the perl startup here.	680	* emulate part of the perl startup here.
624	*/	681	*/
625	coro_init_stacks (aTHX);	682	coro_init_stacks (aTHX);
…		…
627	PL_runops = RUNOPS_DEFAULT;	684	PL_runops = RUNOPS_DEFAULT;
628	PL_curcop = &PL_compiling;	685	PL_curcop = &PL_compiling;
629	PL_in_eval = EVAL_NULL;	686	PL_in_eval = EVAL_NULL;
630	PL_comppad = 0;	687	PL_comppad = 0;
631	PL_curpm = 0;	688	PL_curpm = 0;
		689	PL_curpad = 0;
632	PL_localizing = 0;	690	PL_localizing = 0;
633	PL_dirty = 0;	691	PL_dirty = 0;
634	PL_restartop = 0;	692	PL_restartop = 0;
		693	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		694	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
		695
		696	GvSV (PL_defgv) = newSV (0);
		697	GvAV (PL_defgv) = coro->args; coro->args = 0;
		698	GvSV (PL_errgv) = newSV (0);
		699	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		700	PL_rs = newSVsv (GvSV (irsgv));
		701	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
635		702
636	{	703	{
637	dSP;	704	dSP;
638	LOGOP myop;	705	LOGOP myop;
639		706
640	SvREFCNT_dec (GvAV (PL_defgv));
641	GvAV (PL_defgv) = coro->args; coro->args = 0;
642
643	Zero (&myop, 1, LOGOP);	707	Zero (&myop, 1, LOGOP);
644	myop.op_next = Nullop;	708	myop.op_next = Nullop;
645	myop.op_flags = OPf_WANT_VOID;	709	myop.op_flags = OPf_WANT_VOID;
646		710
647	PUSHMARK (SP);	711	PUSHMARK (SP);
648	XPUSHs (av_shift (GvAV (PL_defgv)));	712	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
649	PUTBACK;	713	PUTBACK;
650	PL_op = (OP *)&myop;	714	PL_op = (OP *)&myop;
651	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	715	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
652	SPAGAIN;	716	SPAGAIN;
		717
		718	/*
		719	* now its very tricky. the "tail" of the next transfer might end up
		720	* either in a new cctx, or an existing one.
		721	* in case of an existing one we have to take care of whatever
		722	* entersub and transfer do to the perl stack.
		723	*/
		724	ENTER;
		725	EXTEND (SP, 4);
		726	PUSHs ((SV )0); / items */
		727	PUSHs ((SV )0); / ix, set_stacklevel */
		728	PUSHs ((SV )(sp - PL_stack_base + 1)); / ax */
		729	PUSHs ((SV )0); / again */
		730	PUTBACK;
653	}	731	}
		732	}
654		733
655	ENTER; /* necessary e.g. for dounwind */	734	static void
		735	coro_destroy (pTHX_ struct coro *coro)
		736	{
		737	if (!IN_DESTRUCT)
		738	{
		739	/* restore all saved variables and stuff */
		740	LEAVE_SCOPE (0);
		741	assert (PL_tmps_floor == -1);
		742
		743	/* free all temporaries */
		744	FREETMPS;
		745	assert (PL_tmps_ix == -1);
		746
		747	/* unwind all extra stacks */
		748	POPSTACK_TO (PL_mainstack);
		749
		750	/* unwind main stack */
		751	dounwind (-1);
		752	}
		753
		754	SvREFCNT_dec (GvSV (PL_defgv));
		755	SvREFCNT_dec (GvAV (PL_defgv));
		756	SvREFCNT_dec (GvSV (PL_errgv));
		757	SvREFCNT_dec (PL_defoutgv);
		758	SvREFCNT_dec (PL_rs);
		759	SvREFCNT_dec (GvSV (irsgv));
		760
		761	SvREFCNT_dec (PL_diehook);
		762	SvREFCNT_dec (PL_warnhook);
		763
		764	SvREFCNT_dec (coro->saved_deffh);
		765	SvREFCNT_dec (coro->throw);
		766
		767	coro_destroy_stacks (aTHX);
656	}	768	}
657		769
658	static void	770	static void
659	free_coro_mortal (pTHX)	771	free_coro_mortal (pTHX)
660	{	772	{
661	if (coro_mortal)	773	if (expect_true (coro_mortal))
662	{	774	{
663	SvREFCNT_dec (coro_mortal);	775	SvREFCNT_dec (coro_mortal);
664	coro_mortal = 0;	776	coro_mortal = 0;
665	}	777	}
666	}	778	}
…		…
695	bot = PL_stack_base + cx->blk_oldsp + 1;	807	bot = PL_stack_base + cx->blk_oldsp + 1;
696	top = cx->blk_gimme == G_ARRAY ? SP + 1	808	top = cx->blk_gimme == G_ARRAY ? SP + 1
697	: cx->blk_gimme == G_SCALAR ? bot + 1	809	: cx->blk_gimme == G_SCALAR ? bot + 1
698	: bot;	810	: bot;
699		811
		812	av_extend (av, top - bot);
700	while (bot < top)	813	while (bot < top)
701	av_push (av, SvREFCNT_inc (*bot++));	814	av_push (av, SvREFCNT_inc (*bot++));
702		815
703	PL_runops = RUNOPS_DEFAULT;	816	PL_runops = RUNOPS_DEFAULT;
704	ENTER;	817	ENTER;
…		…
707	PUSHMARK (SP);	820	PUSHMARK (SP);
708	PUSHs (&PL_sv_no);	821	PUSHs (&PL_sv_no);
709	PUSHs (fullname);	822	PUSHs (fullname);
710	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	823	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
711	PUTBACK;	824	PUTBACK;
712	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	825	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
713	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	826	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
714	SPAGAIN;	827	SPAGAIN;
715	FREETMPS;	828	FREETMPS;
716	LEAVE;	829	LEAVE;
717	PL_runops = runops_trace;	830	PL_runops = runops_trace;
…		…
746	PUSHMARK (SP);	859	PUSHMARK (SP);
747	PUSHs (&PL_sv_yes);	860	PUSHs (&PL_sv_yes);
748	PUSHs (fullname);	861	PUSHs (fullname);
749	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	862	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
750	PUTBACK;	863	PUTBACK;
751	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	864	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
752	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	865	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
753	SPAGAIN;	866	SPAGAIN;
754	FREETMPS;	867	FREETMPS;
755	LEAVE;	868	LEAVE;
756	PL_runops = runops_trace;	869	PL_runops = runops_trace;
…		…
770	PL_runops = RUNOPS_DEFAULT;	883	PL_runops = RUNOPS_DEFAULT;
771	PUSHMARK (SP);	884	PUSHMARK (SP);
772	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	885	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
773	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	886	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
774	PUTBACK;	887	PUTBACK;
775	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	888	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
776	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	889	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
777	SPAGAIN;	890	SPAGAIN;
778	FREETMPS;	891	FREETMPS;
779	LEAVE;	892	LEAVE;
780	PL_runops = runops_trace;	893	PL_runops = runops_trace;
…		…
790		903
791	/* inject a fake call to Coro::State::_cctx_init into the execution */	904	/* inject a fake call to Coro::State::_cctx_init into the execution */
792	/* _cctx_init should be careful, as it could be called at almost any time */	905	/* _cctx_init should be careful, as it could be called at almost any time */
793	/* during execution of a perl program */	906	/* during execution of a perl program */
794	static void NOINLINE	907	static void NOINLINE
795	prepare_cctx (pTHX_ coro_cctx *cctx)	908	cctx_prepare (pTHX_ coro_cctx *cctx)
796	{	909	{
797	dSP;	910	dSP;
798	LOGOP myop;	911	LOGOP myop;
799		912
800	PL_top_env = &PL_start_env;	913	PL_top_env = &PL_start_env;
…		…
818		931
819	/*	932	/*
820	* this is a _very_ stripped down perl interpreter ;)	933	* this is a _very_ stripped down perl interpreter ;)
821	*/	934	*/
822	static void	935	static void
823	coro_run (void *arg)	936	cctx_run (void *arg)
824	{	937	{
825	dTHX;	938	dTHX;
826		939
827	/* coro_run is the alternative tail of transfer(), so unlock here. */	940	/* cctx_run is the alternative tail of transfer(), so unlock here. */
828	UNLOCK;	941	UNLOCK;
829		942
830	/* we now skip the entersub that lead to transfer() */	943	/* we now skip the entersub that lead to transfer() */
831	PL_op = PL_op->op_next;	944	PL_op = PL_op->op_next;
832		945
833	/* inject a fake subroutine call to cctx_init */	946	/* inject a fake subroutine call to cctx_init */
834	prepare_cctx (aTHX_ (coro_cctx *)arg);	947	cctx_prepare (aTHX_ (coro_cctx *)arg);
835		948
836	/* somebody or something will hit me for both perl_run and PL_restartop */	949	/* somebody or something will hit me for both perl_run and PL_restartop */
837	PL_restartop = PL_op;	950	PL_restartop = PL_op;
838	perl_run (PL_curinterp);	951	perl_run (PL_curinterp);
839		952
…		…
858	++cctx_count;	971	++cctx_count;
859		972
860	Newz (0, cctx, 1, coro_cctx);	973	Newz (0, cctx, 1, coro_cctx);
861		974
862	#if HAVE_MMAP	975	#if HAVE_MMAP
863
864	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	976	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
865	/* mmap supposedly does allocate-on-write for us */	977	/* mmap supposedly does allocate-on-write for us */
866	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	978	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
867		979
868	if (cctx->sptr != (void *)-1)	980	if (cctx->sptr != (void *)-1)
…		…
889	stack_start = cctx->sptr;	1001	stack_start = cctx->sptr;
890	stack_size = cctx->ssize;	1002	stack_size = cctx->ssize;
891	}	1003	}
892		1004
893	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1005	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
894	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1006	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
895		1007
896	return cctx;	1008	return cctx;
897	}	1009	}
898		1010
899	static void	1011	static void
…		…
916	Safefree (cctx->sptr);	1028	Safefree (cctx->sptr);
917		1029
918	Safefree (cctx);	1030	Safefree (cctx);
919	}	1031	}
920		1032
		1033	/* wether this cctx should be destructed */
		1034	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1035
921	static coro_cctx *	1036	static coro_cctx *
922	cctx_get (pTHX)	1037	cctx_get (pTHX_ int gimme)
923	{	1038	{
924	while (cctx_first)	1039	while (expect_true (cctx_first[gimme]))
925	{	1040	{
926	coro_cctx *cctx = cctx_first;	1041	coro_cctx *cctx = cctx_first[gimme];
927	cctx_first = cctx->next;	1042	cctx_first[gimme] = cctx->next;
928	--cctx_idle;	1043	--cctx_idle[gimme];
929		1044
930	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1045	if (expect_true (!CCTX_EXPIRED (cctx)))
931	return cctx;	1046	return cctx;
932		1047
933	cctx_destroy (cctx);	1048	cctx_destroy (cctx);
934	}	1049	}
935		1050
		1051	assert (!gimme);
936	return cctx_new ();	1052	return cctx_new ();
937	}	1053	}
938		1054
939	static void	1055	static void
940	cctx_put (coro_cctx *cctx)	1056	cctx_put (coro_cctx *cctx, int gimme)
941	{	1057	{
942	/* free another cctx if overlimit */	1058	/* free another cctx if overlimit */
943	if (cctx_idle >= MAX_IDLE_CCTX)	1059	if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX))
944	{	1060	{
945	coro_cctx *first = cctx_first;	1061	coro_cctx *first = cctx_first[gimme];
946	cctx_first = first->next;	1062	cctx_first[gimme] = first->next;
947	--cctx_idle;	1063	--cctx_idle[gimme];
948		1064
949	cctx_destroy (first);	1065	cctx_destroy (first);
950	}	1066	}
951		1067
952	++cctx_idle;	1068	++cctx_idle[gimme];
953	cctx->next = cctx_first;	1069	cctx->next = cctx_first[gimme];
954	cctx_first = cctx;	1070	cctx_first[gimme] = cctx;
955	}	1071	}
956		1072
957	/ coroutine switching ***************************************************/	1073	/ coroutine switching ***************************************************/
958		1074
959	static void NOINLINE	1075	static void
960	transfer_check (pTHX_ struct coro prev, struct coro next)	1076	transfer_check (pTHX_ struct coro prev, struct coro next)
961	{	1077	{
962	if (prev != next)	1078	if (expect_true (prev != next))
963	{	1079	{
964	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1080	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
965	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1081	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
966		1082
967	if (next->flags & CF_RUNNING)	1083	if (expect_false (next->flags & CF_RUNNING))
968	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1084	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
969		1085
970	if (next->flags & CF_DESTROYED)	1086	if (expect_false (next->flags & CF_DESTROYED))
971	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1087	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
972		1088
		1089	if (
		1090	#if PERL_VERSION_ATLEAST (5,9,0)
		1091	expect_false (PL_parser)
		1092	#else
973	if (PL_lex_state != LEX_NOTPARSING)	1093	expect_false (PL_lex_state != LEX_NOTPARSING)
		1094	#endif
		1095	)
974	croak ("Coro::State::transfer called while parsing, but this is not supported");	1096	croak ("Coro::State::transfer called while parsing, but this is not supported");
975	}	1097	}
976	}	1098	}
977		1099
978	/* always use the TRANSFER macro */	1100	/* always use the TRANSFER macro */
…		…
980	transfer (pTHX_ struct coro prev, struct coro next)	1102	transfer (pTHX_ struct coro prev, struct coro next)
981	{	1103	{
982	dSTACKLEVEL;	1104	dSTACKLEVEL;
983		1105
984	/* sometimes transfer is only called to set idle_sp */	1106	/* sometimes transfer is only called to set idle_sp */
985	if (!next)	1107	if (expect_false (!next))
986	{	1108	{
987	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1109	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
988	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1110	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
989	}	1111	}
990	else if (prev != next)	1112	else if (expect_true (prev != next))
991	{	1113	{
992	coro_cctx *prev__cctx;	1114	coro_cctx *prev__cctx;
993		1115
994	if (prev->flags & CF_NEW)	1116	if (expect_false (prev->flags & CF_NEW))
995	{	1117	{
996	/* create a new empty context */	1118	/* create a new empty context */
997	Newz (0, prev->cctx, 1, coro_cctx);	1119	Newz (0, prev->cctx, 1, coro_cctx);
998	prev->flags &= ~CF_NEW;	1120	prev->flags &= ~CF_NEW;
999	prev->flags \|= CF_RUNNING;	1121	prev->flags \|= CF_RUNNING;
…		…
1002	prev->flags &= ~CF_RUNNING;	1124	prev->flags &= ~CF_RUNNING;
1003	next->flags \|= CF_RUNNING;	1125	next->flags \|= CF_RUNNING;
1004		1126
1005	LOCK;	1127	LOCK;
1006		1128
1007	if (next->flags & CF_NEW)	1129	if (expect_false (next->flags & CF_NEW))
1008	{	1130	{
1009	/* need to start coroutine */	1131	/* need to start coroutine */
1010	next->flags &= ~CF_NEW;	1132	next->flags &= ~CF_NEW;
1011	/* first get rid of the old state */	1133	/* first get rid of the old state */
1012	save_perl (aTHX_ prev);	1134	save_perl (aTHX_ prev);
1013	/* setup coroutine call */	1135	/* setup coroutine call */
1014	setup_coro (aTHX_ next);	1136	coro_setup (aTHX_ next);
1015	}	1137	}
1016	else	1138	else
1017	{	1139	{
1018	/* coroutine already started */	1140	/* coroutine already started */
1019	save_perl (aTHX_ prev);	1141	save_perl (aTHX_ prev);
…		…
1021	}	1143	}
1022		1144
1023	prev__cctx = prev->cctx;	1145	prev__cctx = prev->cctx;
1024		1146
1025	/* possibly "free" the cctx */	1147	/* possibly "free" the cctx */
1026	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1148	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1027	{	1149	{
1028	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1150	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1029	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1151	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1030		1152
1031	prev->cctx = 0;	1153	prev->cctx = 0;
1032		1154
		1155	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1156	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1157	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1158	if (!next->cctx)
		1159	next->cctx = cctx_get (aTHX_ next->gimme);
		1160
1033	cctx_put (prev__cctx);	1161	cctx_put (prev__cctx, prev->gimme);
1034	}	1162	}
1035		1163
1036	++next->usecount;	1164	++next->usecount;
1037		1165
1038	if (!next->cctx)	1166	if (expect_true (!next->cctx))
1039	next->cctx = cctx_get (aTHX);	1167	next->cctx = cctx_get (aTHX_ next->gimme);
1040		1168
1041	if (prev__cctx != next->cctx)	1169	if (expect_false (prev__cctx != next->cctx))
1042	{	1170	{
1043	prev__cctx->top_env = PL_top_env;	1171	prev__cctx->top_env = PL_top_env;
1044	PL_top_env = next->cctx->top_env;	1172	PL_top_env = next->cctx->top_env;
1045	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1173	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1046	}	1174	}
1047		1175
1048	free_coro_mortal (aTHX);	1176	free_coro_mortal (aTHX);
1049	UNLOCK;	1177	UNLOCK;
		1178
		1179	if (expect_false (prev->throw \|\| next->throw))
		1180	{
		1181	struct coro *coro = SvSTATE (coro_current);
		1182
		1183	if (coro->throw)
		1184	{
		1185	SV *exception = coro->throw;
		1186	coro->throw = 0;
		1187	sv_setsv (ERRSV, exception);
		1188	croak (0);
		1189	}
		1190	}
1050	}	1191	}
1051	}	1192	}
1052		1193
1053	struct transfer_args	1194	struct transfer_args
1054	{	1195	{
…		…
1081		1222
1082	if (coro->mainstack && coro->mainstack != main_mainstack)	1223	if (coro->mainstack && coro->mainstack != main_mainstack)
1083	{	1224	{
1084	struct coro temp;	1225	struct coro temp;
1085		1226
1086	assert (!(coro->flags & CF_RUNNING));
1087
1088	Zero (&temp, 1, struct coro);
1089	temp.save = CORO_SAVE_ALL;
1090
1091	if (coro->flags & CF_RUNNING)	1227	if (coro->flags & CF_RUNNING)
1092	croak ("FATAL: tried to destroy currently running coroutine");	1228	croak ("FATAL: tried to destroy currently running coroutine");
1093		1229
1094	save_perl (aTHX_ &temp);	1230	save_perl (aTHX_ &temp);
1095	load_perl (aTHX_ coro);	1231	load_perl (aTHX_ coro);
1096		1232
1097	coro_destroy_stacks (aTHX);	1233	coro_destroy (aTHX_ coro);
1098		1234
1099	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1235	load_perl (aTHX_ &temp);
1100		1236
1101	coro->mainstack = 0;	1237	coro->slot = 0;
1102	}	1238	}
1103		1239
1104	cctx_destroy (coro->cctx);	1240	cctx_destroy (coro->cctx);
1105	SvREFCNT_dec (coro->args);	1241	SvREFCNT_dec (coro->args);
1106		1242
…		…
1165		1301
1166	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1302	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1167	TRANSFER (ta);	1303	TRANSFER (ta);
1168	}	1304	}
1169		1305
1170	static int
1171	api_save (SV *coro_sv, int new_save)
1172	{
1173	dTHX;
1174	struct coro *coro = SvSTATE (coro_sv);
1175	int old_save = coro->save;
1176
1177	if (new_save >= 0)
1178	coro->save = new_save;
1179
1180	return old_save;
1181	}
1182
1183	/ Coro ******************************************************************/	1306	/ Coro ******************************************************************/
1184		1307
1185	static void	1308	static void
1186	coro_enq (pTHX_ SV *coro_sv)	1309	coro_enq (pTHX_ SV *coro_sv)
1187	{	1310	{
…		…
1244	{	1367	{
1245	LOCK;	1368	LOCK;
1246	next_sv = coro_deq (aTHX_ PRIO_MIN);	1369	next_sv = coro_deq (aTHX_ PRIO_MIN);
1247		1370
1248	/* nothing to schedule: call the idle handler */	1371	/* nothing to schedule: call the idle handler */
1249	if (!next_sv)	1372	if (expect_false (!next_sv))
1250	{	1373	{
1251	dSP;	1374	dSP;
1252	UNLOCK;	1375	UNLOCK;
1253		1376
1254	ENTER;	1377	ENTER;
…		…
1264	}	1387	}
1265		1388
1266	ta->next = SvSTATE (next_sv);	1389	ta->next = SvSTATE (next_sv);
1267		1390
1268	/* cannot transfer to destroyed coros, skip and look for next */	1391	/* cannot transfer to destroyed coros, skip and look for next */
1269	if (ta->next->flags & CF_DESTROYED)	1392	if (expect_false (ta->next->flags & CF_DESTROYED))
1270	{	1393	{
1271	UNLOCK;	1394	UNLOCK;
1272	SvREFCNT_dec (next_sv);	1395	SvREFCNT_dec (next_sv);
1273	/* coro_nready is already taken care of by destroy */	1396	/* coro_nready is already taken care of by destroy */
1274	continue;	1397	continue;
…		…
1330	dTHX;	1453	dTHX;
1331	struct transfer_args ta;	1454	struct transfer_args ta;
1332		1455
1333	prepare_cede (aTHX_ &ta);	1456	prepare_cede (aTHX_ &ta);
1334		1457
1335	if (ta.prev != ta.next)	1458	if (expect_true (ta.prev != ta.next))
1336	{	1459	{
1337	TRANSFER (ta);	1460	TRANSFER (ta);
1338	return 1;	1461	return 1;
1339	}	1462	}
1340	else	1463	else
…		…
1376	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1499	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1377		1500
1378	if (coro->flags & CF_RUNNING)	1501	if (coro->flags & CF_RUNNING)
1379	PL_runops = RUNOPS_DEFAULT;	1502	PL_runops = RUNOPS_DEFAULT;
1380	else	1503	else
1381	coro->runops = RUNOPS_DEFAULT;	1504	coro->slot->runops = RUNOPS_DEFAULT;
1382	}	1505	}
1383	}	1506	}
1384		1507
1385	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1508	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1386		1509
…		…
1390	{	1513	{
1391	#ifdef USE_ITHREADS	1514	#ifdef USE_ITHREADS
1392	MUTEX_INIT (&coro_mutex);	1515	MUTEX_INIT (&coro_mutex);
1393	#endif	1516	#endif
1394	BOOT_PAGESIZE;	1517	BOOT_PAGESIZE;
		1518
		1519	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1520	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1521
		1522	hv_sig = coro_get_hv ("SIG", TRUE);
		1523	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1524	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1525
		1526	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1527	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1395		1528
1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1529	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1397		1530
1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1531	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1532	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1400	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1533	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1401	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));	1534	newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1402		1535
1403	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1404	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1405	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1406	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1407	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1408	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1409	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1410
1411	main_mainstack = PL_mainstack;	1536	main_mainstack = PL_mainstack;
1412	main_top_env = PL_top_env;	1537	main_top_env = PL_top_env;
1413		1538
1414	while (main_top_env->je_prev)	1539	while (main_top_env->je_prev)
1415	main_top_env = main_top_env->je_prev;	1540	main_top_env = main_top_env->je_prev;
…		…
1427	struct coro *coro;	1552	struct coro *coro;
1428	HV *hv;	1553	HV *hv;
1429	int i;	1554	int i;
1430		1555
1431	Newz (0, coro, 1, struct coro);	1556	Newz (0, coro, 1, struct coro);
1432	coro->args = newAV ();	1557	coro->args = newAV ();
1433	coro->save = CORO_SAVE_DEF;
1434	coro->flags = CF_NEW;	1558	coro->flags = CF_NEW;
1435		1559
1436	if (coro_first) coro_first->prev = coro;	1560	if (coro_first) coro_first->prev = coro;
1437	coro->next = coro_first;	1561	coro->next = coro_first;
1438	coro_first = coro;	1562	coro_first = coro;
1439		1563
1440	coro->hv = hv = newHV ();	1564	coro->hv = hv = newHV ();
1441	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1565	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1442	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1566	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1443		1567
		1568	av_extend (coro->args, items - 1);
1444	for (i = 1; i < items; i++)	1569	for (i = 1; i < items; i++)
1445	av_push (coro->args, newSVsv (ST (i)));	1570	av_push (coro->args, newSVsv (ST (i)));
1446	}	1571	}
1447	OUTPUT:	1572	OUTPUT:
1448	RETVAL
1449
1450	int
1451	save (SV *coro, int new_save = -1)
1452	CODE:
1453	RETVAL = api_save (coro, new_save);
1454	OUTPUT:
1455	RETVAL
1456
1457	int
1458	save_also (SV *coro_sv, int save_also)
1459	CODE:
1460	{
1461	struct coro *coro = SvSTATE (coro_sv);
1462	RETVAL = coro->save;
1463	coro->save \|= save_also;
1464	}
1465	OUTPUT:
1466	RETVAL	1573	RETVAL
1467		1574
1468	# these not obviously related functions are all rolled into the same xs	1575	# these not obviously related functions are all rolled into the same xs
1469	# function to increase chances that they all will call transfer with the same	1576	# function to increase chances that they all will call transfer with the same
1470	# stack offset	1577	# stack offset
1471	void	1578	void
1472	_set_stacklevel (...)	1579	_set_stacklevel (...)
1473	ALIAS:	1580	ALIAS:
1474	Coro::State::transfer = 1	1581	Coro::State::transfer = 1
1475	Coro::schedule = 2	1582	Coro::schedule = 2
1476	Coro::cede = 3	1583	Coro::cede = 3
1477	Coro::cede_notself = 4	1584	Coro::cede_notself = 4
		1585	Coro::Event::next = 5
		1586	Coro::Event::next_cancel = 6
1478	CODE:	1587	PPCODE:
1479	{	1588	{
1480	struct transfer_args ta;	1589	struct transfer_args ta;
		1590	int again = 0;
1481		1591
1482	switch (ix)	1592	do
1483	{	1593	{
		1594	switch (ix)
		1595	{
1484	case 0:	1596	case 0:
1485	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1597	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1486	ta.next = 0;	1598	ta.next = 0;
1487	break;	1599	break;
1488		1600
1489	case 1:	1601	case 1:
1490	if (items != 2)	1602	if (items != 2)
1491	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1603	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1492		1604
1493	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1605	prepare_transfer (aTHX_ &ta, ST(0), ST(1));
1494	break;	1606	break;
1495		1607
1496	case 2:	1608	case 2:
1497	prepare_schedule (aTHX_ &ta);	1609	prepare_schedule (aTHX_ &ta);
1498	break;	1610	break;
1499		1611
1500	case 3:	1612	case 3:
1501	prepare_cede (aTHX_ &ta);	1613	prepare_cede (aTHX_ &ta);
1502	break;	1614	break;
1503		1615
1504	case 4:	1616	case 4:
1505	if (!prepare_cede_notself (aTHX_ &ta))	1617	if (!prepare_cede_notself (aTHX_ &ta))
1506	XSRETURN_EMPTY;	1618	XSRETURN_EMPTY;
1507		1619
1508	break;	1620	break;
		1621
		1622	case 5:
		1623	case 6:
		1624	if (items != 1)
		1625	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
		1626
		1627	{
		1628	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
		1629
		1630	if (ev)
		1631	{
		1632	if (GIMME_V != G_VOID)
		1633	{
		1634	XPUSHs (ev);
		1635	XSRETURN (1);
		1636	}
		1637	else
		1638	XSRETURN_EMPTY;
		1639	}
		1640	}
		1641
		1642	prepare_schedule (aTHX_ &ta);
		1643	again = 1;
		1644	break;
		1645	}
		1646
		1647	/* our caller, entersub, caches only this value */
		1648	ta.prev->gimme = GIMME_V == G_VOID ? 0
		1649	: GIMME_V == G_SCALAR ? 1
		1650	: 2;
		1651
		1652	/* we need to save all local variables, as we might execute a different coroutine when transfer returns */
		1653	sp += 2; /* save args */
		1654	EXTEND (SP, 4);
		1655	PUSHs ((SV *)(intptr_t)items);
		1656	PUSHs ((SV *)(intptr_t)ix);
		1657	PUSHs ((SV *)(intptr_t)ax);
		1658	PUSHs ((SV *)(intptr_t)again);
		1659	PUTBACK;
		1660	BARRIER;
		1661	TRANSFER (ta);
		1662	BARRIER;
		1663	SPAGAIN;
		1664	again = (intptr_t)POPs;
		1665	ax = (intptr_t)POPs;
		1666	ix = (intptr_t)POPs;
		1667	items = (intptr_t)POPs;
		1668	sp -= 2; /* restore args */
1509	}	1669	}
		1670	while (again);
1510		1671
1511	BARRIER;
1512	TRANSFER (ta);
1513
1514	if (GIMME_V != G_VOID && ta.next != ta.prev)	1672	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1515	XSRETURN_YES;	1673	XSRETURN_YES;
		1674
		1675	XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */
1516	}	1676	}
1517		1677
1518	bool	1678	bool
1519	_destroy (SV *coro_sv)	1679	_destroy (SV *coro_sv)
1520	CODE:	1680	CODE:
…		…
1546	RETVAL	1706	RETVAL
1547		1707
1548	int	1708	int
1549	cctx_idle ()	1709	cctx_idle ()
1550	CODE:	1710	CODE:
1551	RETVAL = cctx_idle;	1711	RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2];
1552	OUTPUT:	1712	OUTPUT:
1553	RETVAL	1713	RETVAL
1554		1714
1555	void	1715	void
1556	list ()	1716	list ()
…		…
1569	CODE:	1729	CODE:
1570	{	1730	{
1571	if (coro->mainstack)	1731	if (coro->mainstack)
1572	{	1732	{
1573	struct coro temp;	1733	struct coro temp;
1574	Zero (&temp, 1, struct coro);
1575	temp.save = CORO_SAVE_ALL;
1576		1734
1577	if (!(coro->flags & CF_RUNNING))	1735	if (!(coro->flags & CF_RUNNING))
1578	{	1736	{
1579	save_perl (aTHX_ &temp);	1737	save_perl (aTHX_ &temp);
1580	load_perl (aTHX_ coro);	1738	load_perl (aTHX_ coro);
…		…
1582		1740
1583	{	1741	{
1584	dSP;	1742	dSP;
1585	ENTER;	1743	ENTER;
1586	SAVETMPS;	1744	SAVETMPS;
		1745	PUTBACK;
		1746	PUSHSTACK;
1587	PUSHMARK (SP);	1747	PUSHMARK (SP);
1588	PUTBACK;	1748
1589	if (ix)	1749	if (ix)
1590	eval_sv (coderef, 0);	1750	eval_sv (coderef, 0);
1591	else	1751	else
1592	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1752	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1753
1593	SPAGAIN;	1754	POPSTACK;
1594	FREETMPS;	1755	FREETMPS;
1595	LEAVE;	1756	LEAVE;
1596	PUTBACK;
1597	}	1757	}
1598		1758
1599	if (!(coro->flags & CF_RUNNING))	1759	if (!(coro->flags & CF_RUNNING))
1600	{	1760	{
1601	save_perl (aTHX_ coro);	1761	save_perl (aTHX_ coro);
…		…
1655		1815
1656	BOOT:	1816	BOOT:
1657	{	1817	{
1658	int i;	1818	int i;
1659		1819
1660	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1820	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1661	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1821	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1662	av_async_pool = get_av ("Coro::async_pool", TRUE);	1822	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1663		1823
1664	coro_current = get_sv ("Coro::current", FALSE);	1824	coro_current = coro_get_sv ("Coro::current", FALSE);
1665	SvREADONLY_on (coro_current);	1825	SvREADONLY_on (coro_current);
1666		1826
1667	coro_stash = gv_stashpv ("Coro", TRUE);	1827	coro_stash = gv_stashpv ("Coro", TRUE);
1668		1828
1669	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1829	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1670	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1830	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1671	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1831	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1672	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1832	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1675		1835
1676	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1836	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1677	coro_ready[i] = newAV ();	1837	coro_ready[i] = newAV ();
1678		1838
1679	{	1839	{
1680	SV *sv = perl_get_sv("Coro::API", 1);	1840	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1841	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1681		1842
1682	coroapi.schedule = api_schedule;	1843	coroapi.schedule = api_schedule;
1683	coroapi.save = api_save;
1684	coroapi.cede = api_cede;	1844	coroapi.cede = api_cede;
1685	coroapi.cede_notself = api_cede_notself;	1845	coroapi.cede_notself = api_cede_notself;
1686	coroapi.ready = api_ready;	1846	coroapi.ready = api_ready;
1687	coroapi.is_ready = api_is_ready;	1847	coroapi.is_ready = api_is_ready;
1688	coroapi.nready = &coro_nready;	1848	coroapi.nready = &coro_nready;
…		…
1737	CODE:	1897	CODE:
1738	RETVAL = coro_nready;	1898	RETVAL = coro_nready;
1739	OUTPUT:	1899	OUTPUT:
1740	RETVAL	1900	RETVAL
1741		1901
		1902	void
		1903	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1904	PROTOTYPE: $;$
		1905	CODE:
		1906	SvREFCNT_dec (self->throw);
		1907	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1908
1742	# for async_pool speedup	1909	# for async_pool speedup
1743	void	1910	void
1744	_pool_1 (SV *cb)	1911	_pool_1 (SV *cb)
1745	CODE:	1912	CODE:
1746	{	1913	{
1747	int i, len;	1914	struct coro *coro = SvSTATE (coro_current);
1748	HV hv = (HV )SvRV (coro_current);	1915	HV hv = (HV )SvRV (coro_current);
1749	AV *defav = GvAV (PL_defgv);	1916	AV *defav = GvAV (PL_defgv);
1750	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1917	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1751	AV *invoke_av;	1918	AV *invoke_av;
		1919	int i, len;
1752		1920
1753	if (!invoke)	1921	if (!invoke)
1754	croak ("\3terminate\2\n");	1922	croak ("\3async_pool terminate\2\n");
		1923
		1924	SvREFCNT_dec (coro->saved_deffh);
		1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1755		1926
1756	hv_store (hv, "desc", sizeof ("desc") - 1,	1927	hv_store (hv, "desc", sizeof ("desc") - 1,
1757	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1928	newSVpvn (strpair ("[async_pool]")), 0);
1758		1929
1759	invoke_av = (AV *)SvRV (invoke);	1930	invoke_av = (AV *)SvRV (invoke);
1760	len = av_len (invoke_av);	1931	len = av_len (invoke_av);
1761		1932
1762	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1933	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1777	{	1948	{
1778	struct coro *coro = SvSTATE (coro_current);	1949	struct coro *coro = SvSTATE (coro_current);
1779		1950
1780	sv_setsv (cb, &PL_sv_undef);	1951	sv_setsv (cb, &PL_sv_undef);
1781		1952
		1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1954	coro->saved_deffh = 0;
		1955
1782	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1783	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1957	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1784	croak ("\3terminate\2\n");	1958	croak ("\3async_pool terminate\2\n");
1785		1959
1786	av_clear (GvAV (PL_defgv));	1960	av_clear (GvAV (PL_defgv));
1787	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1961	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1788	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1962	newSVpvn (strpair ("[async_pool idle]")), 0);
1789		1963
1790	coro->save = CORO_SAVE_DEF;
1791	coro->prio = 0;	1964	coro->prio = 0;
1792		1965
1793	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1966	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1794	api_trace (coro_current, 0);	1967	api_trace (coro_current, 0);
1795		1968

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Comparing Coro/Coro/State.xs (file contents): Revision 1.176 by root, Sun Sep 30 13:50:38 2007 UTC vs. Revision 1.209 by root, Wed Oct 10 02:58:17 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.176 by root, Sun Sep 30 13:50:38 2007 UTC vs.
Revision 1.209 by root, Wed Oct 10 02:58:17 2007 UTC