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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs.
Revision 1.213 by root, Thu Oct 11 00:40:48 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
…		…
132	static AV main_mainstack; / used to differentiate between $main and others */	147	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	148	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	149	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	150	static SV coro_mortal; / will be freed after next transfer */
136		151
137	static GV irsgv; / $/ */	152	static GV irsgv; / $/ */
		153	static GV stdoutgv; / STDOUT /
		154
		155	static HV hv_sig; / %SIG */
		156	static SV *sv_diehook;
		157	static SV *sv_warnhook;
138		158
139	/* async_pool helper stuff */	159	/* async_pool helper stuff */
140	static SV *sv_pool_rss;	160	static SV *sv_pool_rss;
141	static SV *sv_pool_size;	161	static SV *sv_pool_size;
142	static AV *av_async_pool;	162	static AV *av_async_pool;
…		…
178	CF_READY = 0x0002, /* coroutine is ready */	198	CF_READY = 0x0002, /* coroutine is ready */
179	CF_NEW = 0x0004, /* has never been switched to */	199	CF_NEW = 0x0004, /* has never been switched to */
180	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	200	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
181	};	201	};
182		202
		203	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		204	typedef struct {
		205	SV *defsv;
		206	AV *defav;
		207	SV *errsv;
		208	SV *irsgv;
		209	#define VAR(name,type) type name;
		210	# include "state.h"
		211	#undef VAR
		212	} perl_slots;
		213
		214	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		215
183	/* this is a structure representing a perl-level coroutine */	216	/* this is a structure representing a perl-level coroutine */
184	struct coro {	217	struct coro {
185	/* the c coroutine allocated to this perl coroutine, if any */	218	/* the c coroutine allocated to this perl coroutine, if any */
186	coro_cctx *cctx;	219	coro_cctx *cctx;
187		220
		221	/* process data */
		222	AV *mainstack;
		223	perl_slots slot; / basically the saved sp */
		224
188	/* data associated with this coroutine (initial args) */	225	AV args; / data associated with this coroutine (initial args) */
189	AV *args;	226	int refcnt; /* coroutines are refcounted, yes */
190	int refcnt;
191	int flags; /* CF_ flags */	227	int flags; /* CF_ flags */
192		228	HV hv; / the perl hash associated with this coro, if any */
193	/* optionally saved, might be zero */
194	AV defav; / @_ */
195	SV defsv; / $_ */
196	SV errsv; / $@ */
197	SV deffh; / default filehandle */
198	SV irssv; / $/ */
199	SV irssv_sv; / real $/ cache */
200
201	#define VAR(name,type) type name;
202	# include "state.h"
203	#undef VAR
204		229
205	/* statistics */	230	/* statistics */
206	int usecount; /* number of transfers to this coro */	231	int usecount; /* number of transfers to this coro */
207		232
208	/* coro process data */	233	/* coro process data */
209	int prio;	234	int prio;
210	//SV *throw;	235	SV throw; / exception to be thrown */
211		236
212	/* async_pool */	237	/* async_pool */
213	SV *saved_deffh;	238	SV *saved_deffh;
214		239
215	/* linked list */	240	/* linked list */
216	struct coro next, prev;	241	struct coro next, prev;
217	HV hv; / the perl hash associated with this coro, if any */
218	};	242	};
219		243
220	typedef struct coro *Coro__State;	244	typedef struct coro *Coro__State;
221	typedef struct coro *Coro__State_or_hashref;	245	typedef struct coro *Coro__State_or_hashref;
222		246
…		…
234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	258	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
235	static int coro_nready;	259	static int coro_nready;
236	static struct coro *coro_first;	260	static struct coro *coro_first;
237		261
238	/ lowlevel stuff ********************************************************/	262	/ lowlevel stuff ********************************************************/
		263
		264	static SV *
		265	coro_get_sv (pTHX_ const char *name, int create)
		266	{
		267	#if PERL_VERSION_ATLEAST (5,9,0)
		268	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		269	get_sv (name, create);
		270	#endif
		271	return get_sv (name, create);
		272	}
		273
		274	static AV *
		275	coro_get_av (pTHX_ const char *name, int create)
		276	{
		277	#if PERL_VERSION_ATLEAST (5,9,0)
		278	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		279	get_av (name, create);
		280	#endif
		281	return get_av (name, create);
		282	}
		283
		284	static HV *
		285	coro_get_hv (pTHX_ const char *name, int create)
		286	{
		287	#if PERL_VERSION_ATLEAST (5,9,0)
		288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		289	get_hv (name, create);
		290	#endif
		291	return get_hv (name, create);
		292	}
239		293
240	static AV *	294	static AV *
241	coro_clone_padlist (pTHX_ CV *cv)	295	coro_clone_padlist (pTHX_ CV *cv)
242	{	296	{
243	AV *padlist = CvPADLIST (cv);	297	AV *padlist = CvPADLIST (cv);
…		…
316	MAGIC *mg;	370	MAGIC *mg;
317		371
318	if (SvROK (coro))	372	if (SvROK (coro))
319	coro = SvRV (coro);	373	coro = SvRV (coro);
320		374
321	if (SvTYPE (coro) != SVt_PVHV)	375	if (expect_false (SvTYPE (coro) != SVt_PVHV))
322	croak ("Coro::State object required");	376	croak ("Coro::State object required");
323		377
324	stash = SvSTASH (coro);	378	stash = SvSTASH (coro);
325	if (stash != coro_stash && stash != coro_state_stash)	379	if (expect_false (stash != coro_stash && stash != coro_state_stash))
326	{	380	{
327	/* very slow, but rare, check */	381	/* very slow, but rare, check */
328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	382	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329	croak ("Coro::State object required");	383	croak ("Coro::State object required");
330	}	384	}
…		…
340	get_padlist (pTHX_ CV *cv)	394	get_padlist (pTHX_ CV *cv)
341	{	395	{
342	MAGIC *mg = CORO_MAGIC (cv);	396	MAGIC *mg = CORO_MAGIC (cv);
343	AV *av;	397	AV *av;
344		398
345	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	399	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
346	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	400	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
347	else	401	else
348	{	402	{
349	#if CORO_PREFER_PERL_FUNCTIONS	403	#if CORO_PREFER_PERL_FUNCTIONS
350	/* this is probably cleaner, but also slower? */	404	/* this is probably cleaner, but also slower? */
…		…
362	put_padlist (pTHX_ CV *cv)	416	put_padlist (pTHX_ CV *cv)
363	{	417	{
364	MAGIC *mg = CORO_MAGIC (cv);	418	MAGIC *mg = CORO_MAGIC (cv);
365	AV *av;	419	AV *av;
366		420
367	if (!mg)	421	if (expect_false (!mg))
368	{	422	{
369	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	423	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
370	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	424	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
371	mg->mg_virtual = &vtbl_coro;	425	mg->mg_virtual = &vtbl_coro;
372	mg->mg_obj = (SV *)newAV ();	426	mg->mg_obj = (SV *)newAV ();
373	}	427	}
374		428
375	av = (AV *)mg->mg_obj;	429	av = (AV *)mg->mg_obj;
376		430
377	if (AvFILLp (av) >= AvMAX (av))	431	if (expect_false (AvFILLp (av) >= AvMAX (av)))
378	av_extend (av, AvMAX (av) + 1);	432	av_extend (av, AvMAX (av) + 1);
379		433
380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	434	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
381	}	435	}
382		436
383	/ load & save, init *****************************************************/	437	/ load & save, init *****************************************************/
384		438
385	static void	439	static void
386	load_perl (pTHX_ Coro__State c)	440	load_perl (pTHX_ Coro__State c)
387	{	441	{
		442	perl_slots *slot = c->slot;
		443	c->slot = 0;
		444
		445	PL_mainstack = c->mainstack;
		446
		447	GvSV (PL_defgv) = slot->defsv;
		448	GvAV (PL_defgv) = slot->defav;
		449	GvSV (PL_errgv) = slot->errsv;
		450	GvSV (irsgv) = slot->irsgv;
		451
388	#define VAR(name,type) PL_ ## name = c->name;	452	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	453	# include "state.h"
390	#undef VAR	454	#undef VAR
391		455
392	GvSV (PL_defgv) = c->defsv;	456	/hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);/
393	GvAV (PL_defgv) = c->defav;	457	/hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);/
394	GvSV (PL_errgv) = c->errsv;
395	GvSV (irsgv) = c->irssv_sv;
396		458
397	{	459	{
398	dSP;	460	dSP;
		461
399	CV *cv;	462	CV *cv;
400		463
401	/* now do the ugly restore mess */	464	/* now do the ugly restore mess */
402	while ((cv = (CV *)POPs))	465	while (expect_true (cv = (CV *)POPs))
403	{	466	{
404	put_padlist (aTHX_ cv); /* mark this padlist as available */	467	put_padlist (aTHX_ cv); /* mark this padlist as available */
405	CvDEPTH (cv) = PTR2IV (POPs);	468	CvDEPTH (cv) = PTR2IV (POPs);
406	CvPADLIST (cv) = (AV *)POPs;	469	CvPADLIST (cv) = (AV *)POPs;
407	}	470	}
…		…
426		489
427	XPUSHs (Nullsv);	490	XPUSHs (Nullsv);
428	/* this loop was inspired by pp_caller */	491	/* this loop was inspired by pp_caller */
429	for (;;)	492	for (;;)
430	{	493	{
431	while (cxix >= 0)	494	while (expect_true (cxix >= 0))
432	{	495	{
433	PERL_CONTEXT *cx = &ccstk[cxix--];	496	PERL_CONTEXT *cx = &ccstk[cxix--];
434		497
435	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	498	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
436	{	499	{
437	CV *cv = cx->blk_sub.cv;	500	CV *cv = cx->blk_sub.cv;
438		501
439	if (CvDEPTH (cv))	502	if (expect_true (CvDEPTH (cv)))
440	{	503	{
441	EXTEND (SP, 3);	504	EXTEND (SP, 3);
442	PUSHs ((SV *)CvPADLIST (cv));	505	PUSHs ((SV *)CvPADLIST (cv));
443	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	506	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
444	PUSHs ((SV *)cv);	507	PUSHs ((SV *)cv);
…		…
447	get_padlist (aTHX_ cv);	510	get_padlist (aTHX_ cv);
448	}	511	}
449	}	512	}
450	}	513	}
451		514
452	if (top_si->si_type == PERLSI_MAIN)	515	if (expect_true (top_si->si_type == PERLSI_MAIN))
453	break;	516	break;
454		517
455	top_si = top_si->si_prev;	518	top_si = top_si->si_prev;
456	ccstk = top_si->si_cxstack;	519	ccstk = top_si->si_cxstack;
457	cxix = top_si->si_cxix;	520	cxix = top_si->si_cxix;
458	}	521	}
459		522
460	PUTBACK;	523	PUTBACK;
461	}	524	}
462		525
		526	/* allocate some space on the context stack for our purposes */
		527	/* we manually unroll here, as usually 2 slots is enough */
		528	if (SLOT_COUNT >= 1) CXINC;
		529	if (SLOT_COUNT >= 2) CXINC;
		530	if (SLOT_COUNT >= 3) CXINC;
		531	{
		532	int i;
		533	for (i = 3; i < SLOT_COUNT; ++i)
		534	CXINC;
		535	}
		536	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		537
		538	c->mainstack = PL_mainstack;
		539
		540	{
		541	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		542
463	c->defav = GvAV (PL_defgv);	543	slot->defav = GvAV (PL_defgv);
464	c->defsv = DEFSV;	544	slot->defsv = DEFSV;
465	c->errsv = ERRSV;	545	slot->errsv = ERRSV;
466	c->irssv_sv = GvSV (irsgv);	546	slot->irsgv = GvSV (irsgv);
467		547
468	#define VAR(name,type)c->name = PL_ ## name;	548	#define VAR(name,type) slot->name = PL_ ## name;
469	# include "state.h"	549	# include "state.h"
470	#undef VAR	550	#undef VAR
		551	}
471	}	552	}
472		553
473	/*	554	/*
474	* allocate various perl stacks. This is an exact copy	555	* allocate various perl stacks. This is an exact copy
475	* of perl.c:init_stacks, except that it uses less memory	556	* of perl.c:init_stacks, except that it uses less memory
…		…
480	# define coro_init_stacks init_stacks	561	# define coro_init_stacks init_stacks
481	#else	562	#else
482	static void	563	static void
483	coro_init_stacks (pTHX)	564	coro_init_stacks (pTHX)
484	{	565	{
485	PL_curstackinfo = new_stackinfo(64, 6);	566	PL_curstackinfo = new_stackinfo(32, 8);
486	PL_curstackinfo->si_type = PERLSI_MAIN;	567	PL_curstackinfo->si_type = PERLSI_MAIN;
487	PL_curstack = PL_curstackinfo->si_stack;	568	PL_curstack = PL_curstackinfo->si_stack;
488	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	569	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
489		570
490	PL_stack_base = AvARRAY(PL_curstack);	571	PL_stack_base = AvARRAY(PL_curstack);
491	PL_stack_sp = PL_stack_base;	572	PL_stack_sp = PL_stack_base;
492	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	573	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
493		574
494	New(50,PL_tmps_stack,64,SV*);	575	New(50,PL_tmps_stack,32,SV*);
495	PL_tmps_floor = -1;	576	PL_tmps_floor = -1;
496	PL_tmps_ix = -1;	577	PL_tmps_ix = -1;
497	PL_tmps_max = 64;	578	PL_tmps_max = 32;
498		579
499	New(54,PL_markstack,16,I32);	580	New(54,PL_markstack,16,I32);
500	PL_markstack_ptr = PL_markstack;	581	PL_markstack_ptr = PL_markstack;
501	PL_markstack_max = PL_markstack + 16;	582	PL_markstack_max = PL_markstack + 16;
502		583
503	#ifdef SET_MARK_OFFSET	584	#ifdef SET_MARK_OFFSET
504	SET_MARK_OFFSET;	585	SET_MARK_OFFSET;
505	#endif	586	#endif
506		587
507	New(54,PL_scopestack,16,I32);	588	New(54,PL_scopestack,8,I32);
508	PL_scopestack_ix = 0;	589	PL_scopestack_ix = 0;
509	PL_scopestack_max = 16;	590	PL_scopestack_max = 8;
510		591
511	New(54,PL_savestack,64,ANY);	592	New(54,PL_savestack,24,ANY);
512	PL_savestack_ix = 0;	593	PL_savestack_ix = 0;
513	PL_savestack_max = 64;	594	PL_savestack_max = 24;
514		595
515	#if !PERL_VERSION_ATLEAST (5,9,0)	596	#if !PERL_VERSION_ATLEAST (5,9,0)
516	New(54,PL_retstack,4,OP*);	597	New(54,PL_retstack,4,OP*);
517	PL_retstack_ix = 0;	598	PL_retstack_ix = 0;
518	PL_retstack_max = 4;	599	PL_retstack_max = 4;
…		…
555	{	636	{
556	size_t rss = sizeof (*coro);	637	size_t rss = sizeof (*coro);
557		638
558	if (coro->mainstack)	639	if (coro->mainstack)
559	{	640	{
		641	perl_slots tmp_slot;
		642	perl_slots *slot;
		643
560	if (coro->flags & CF_RUNNING)	644	if (coro->flags & CF_RUNNING)
561	{	645	{
		646	slot = &tmp_slot;
		647
562	#define VAR(name,type)coro->name = PL_ ## name;	648	#define VAR(name,type) slot->name = PL_ ## name;
563	# include "state.h"	649	# include "state.h"
564	#undef VAR	650	#undef VAR
565	}	651	}
		652	else
		653	slot = coro->slot;
566		654
567	rss += sizeof (coro->curstackinfo);	655	rss += sizeof (slot->curstackinfo);
568	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
569	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
570	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
571	rss += coro->tmps_max * sizeof (SV *);	658	rss += slot->tmps_max * sizeof (SV *);
572	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
573	rss += coro->scopestack_max * sizeof (I32);	660	rss += slot->scopestack_max * sizeof (I32);
574	rss += coro->savestack_max * sizeof (ANY);	661	rss += slot->savestack_max * sizeof (ANY);
575		662
576	#if !PERL_VERSION_ATLEAST (5,9,0)	663	#if !PERL_VERSION_ATLEAST (5,9,0)
577	rss += coro->retstack_max * sizeof (OP *);	664	rss += slot->retstack_max * sizeof (OP *);
578	#endif	665	#endif
579	}	666	}
580		667
581	return rss;	668	return rss;
582	}	669	}
…		…
594	PL_runops = RUNOPS_DEFAULT;	681	PL_runops = RUNOPS_DEFAULT;
595	PL_curcop = &PL_compiling;	682	PL_curcop = &PL_compiling;
596	PL_in_eval = EVAL_NULL;	683	PL_in_eval = EVAL_NULL;
597	PL_comppad = 0;	684	PL_comppad = 0;
598	PL_curpm = 0;	685	PL_curpm = 0;
		686	PL_curpad = 0;
599	PL_localizing = 0;	687	PL_localizing = 0;
600	PL_dirty = 0;	688	PL_dirty = 0;
601	PL_restartop = 0;	689	PL_restartop = 0;
		690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
		691	PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
602		692
603	GvSV (PL_defgv) = NEWSV (0, 0);	693	GvSV (PL_defgv) = newSV (0);
604	GvAV (PL_defgv) = coro->args; coro->args = 0;	694	GvAV (PL_defgv) = coro->args; coro->args = 0;
605	GvSV (PL_errgv) = NEWSV (0, 0);	695	GvSV (PL_errgv) = newSV (0);
606	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607	PL_rs = newSVsv (GvSV (irsgv));	697	PL_rs = newSVsv (GvSV (irsgv));
608		698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
609	{
610	IO *io = newIO ();
611	PL_defoutgv = newGVgen ("Coro");
612	GvIOp(PL_defoutgv) = io;
613	IoTYPE (io) = IoTYPE_WRONLY;
614	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
615	IoFLAGS (io) \|= IOf_FLUSH;
616	}
617		699
618	{	700	{
619	dSP;	701	dSP;
620	LOGOP myop;	702	LOGOP myop;
621		703
622	Zero (&myop, 1, LOGOP);	704	Zero (&myop, 1, LOGOP);
623	myop.op_next = Nullop;	705	myop.op_next = Nullop;
624	myop.op_flags = OPf_WANT_VOID;	706	myop.op_flags = OPf_WANT_VOID;
625		707
626	PUSHMARK (SP);	708	PUSHMARK (SP);
627	XPUSHs (av_shift (GvAV (PL_defgv)));	709	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
628	PUTBACK;	710	PUTBACK;
629	PL_op = (OP *)&myop;	711	PL_op = (OP *)&myop;
630	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
631	SPAGAIN;	713	SPAGAIN;
632	}	714	}
633		715
634	ENTER; /* necessary e.g. for dounwind */	716	/* this newly created coroutine might be run on an existing cctx which most
		717	* likely was suspended in set_stacklevel, called from entersub.
		718	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		719	* so we ENTER here for symmetry
		720	*/
		721	ENTER;
635	}	722	}
636		723
637	static void	724	static void
638	coro_destroy (pTHX_ struct coro *coro)	725	coro_destroy (pTHX_ struct coro *coro)
639	{	726	{
…		…
659	SvREFCNT_dec (GvSV (PL_errgv));	746	SvREFCNT_dec (GvSV (PL_errgv));
660	SvREFCNT_dec (PL_defoutgv);	747	SvREFCNT_dec (PL_defoutgv);
661	SvREFCNT_dec (PL_rs);	748	SvREFCNT_dec (PL_rs);
662	SvREFCNT_dec (GvSV (irsgv));	749	SvREFCNT_dec (GvSV (irsgv));
663		750
		751	SvREFCNT_dec (PL_diehook);
		752	SvREFCNT_dec (PL_warnhook);
		753
664	SvREFCNT_dec (coro->saved_deffh);	754	SvREFCNT_dec (coro->saved_deffh);
665	//SvREFCNT_dec (coro->throw);	755	SvREFCNT_dec (coro->throw);
666		756
667	coro_destroy_stacks (aTHX);	757	coro_destroy_stacks (aTHX);
668	}	758	}
669		759
670	static void	760	static void
671	free_coro_mortal (pTHX)	761	free_coro_mortal (pTHX)
672	{	762	{
673	if (coro_mortal)	763	if (expect_true (coro_mortal))
674	{	764	{
675	SvREFCNT_dec (coro_mortal);	765	SvREFCNT_dec (coro_mortal);
676	coro_mortal = 0;	766	coro_mortal = 0;
677	}	767	}
678	}	768	}
…		…
707	bot = PL_stack_base + cx->blk_oldsp + 1;	797	bot = PL_stack_base + cx->blk_oldsp + 1;
708	top = cx->blk_gimme == G_ARRAY ? SP + 1	798	top = cx->blk_gimme == G_ARRAY ? SP + 1
709	: cx->blk_gimme == G_SCALAR ? bot + 1	799	: cx->blk_gimme == G_SCALAR ? bot + 1
710	: bot;	800	: bot;
711		801
		802	av_extend (av, top - bot);
712	while (bot < top)	803	while (bot < top)
713	av_push (av, SvREFCNT_inc (*bot++));	804	av_push (av, SvREFCNT_inc (*bot++));
714		805
715	PL_runops = RUNOPS_DEFAULT;	806	PL_runops = RUNOPS_DEFAULT;
716	ENTER;	807	ENTER;
…		…
802		893
803	/* inject a fake call to Coro::State::_cctx_init into the execution */	894	/* inject a fake call to Coro::State::_cctx_init into the execution */
804	/* _cctx_init should be careful, as it could be called at almost any time */	895	/* _cctx_init should be careful, as it could be called at almost any time */
805	/* during execution of a perl program */	896	/* during execution of a perl program */
806	static void NOINLINE	897	static void NOINLINE
807	prepare_cctx (pTHX_ coro_cctx *cctx)	898	cctx_prepare (pTHX_ coro_cctx *cctx)
808	{	899	{
809	dSP;	900	dSP;
810	LOGOP myop;	901	LOGOP myop;
811		902
812	PL_top_env = &PL_start_env;	903	PL_top_env = &PL_start_env;
…		…
830		921
831	/*	922	/*
832	* this is a _very_ stripped down perl interpreter ;)	923	* this is a _very_ stripped down perl interpreter ;)
833	*/	924	*/
834	static void	925	static void
835	coro_run (void *arg)	926	cctx_run (void *arg)
836	{	927	{
837	dTHX;	928	dTHX;
838		929
839	/* coro_run is the alternative tail of transfer(), so unlock here. */	930	/* cctx_run is the alternative tail of transfer(), so unlock here. */
840	UNLOCK;	931	UNLOCK;
841		932
842	/* we now skip the entersub that lead to transfer() */	933	/* we now skip the entersub that lead to transfer() */
843	PL_op = PL_op->op_next;	934	PL_op = PL_op->op_next;
844		935
845	/* inject a fake subroutine call to cctx_init */	936	/* inject a fake subroutine call to cctx_init */
846	prepare_cctx (aTHX_ (coro_cctx *)arg);	937	cctx_prepare (aTHX_ (coro_cctx *)arg);
847		938
848	/* somebody or something will hit me for both perl_run and PL_restartop */	939	/* somebody or something will hit me for both perl_run and PL_restartop */
849	PL_restartop = PL_op;	940	PL_restartop = PL_op;
850	perl_run (PL_curinterp);	941	perl_run (PL_curinterp);
851		942
…		…
870	++cctx_count;	961	++cctx_count;
871		962
872	Newz (0, cctx, 1, coro_cctx);	963	Newz (0, cctx, 1, coro_cctx);
873		964
874	#if HAVE_MMAP	965	#if HAVE_MMAP
875
876	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	966	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
877	/* mmap supposedly does allocate-on-write for us */	967	/* mmap supposedly does allocate-on-write for us */
878	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	968	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
879		969
880	if (cctx->sptr != (void *)-1)	970	if (cctx->sptr != (void *)-1)
…		…
901	stack_start = cctx->sptr;	991	stack_start = cctx->sptr;
902	stack_size = cctx->ssize;	992	stack_size = cctx->ssize;
903	}	993	}
904		994
905	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	995	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
906	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	996	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
907		997
908	return cctx;	998	return cctx;
909	}	999	}
910		1000
911	static void	1001	static void
…		…
928	Safefree (cctx->sptr);	1018	Safefree (cctx->sptr);
929		1019
930	Safefree (cctx);	1020	Safefree (cctx);
931	}	1021	}
932		1022
		1023	/* wether this cctx should be destructed */
		1024	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1025
933	static coro_cctx *	1026	static coro_cctx *
934	cctx_get (pTHX)	1027	cctx_get (pTHX)
935	{	1028	{
936	while (cctx_first)	1029	while (expect_true (cctx_first))
937	{	1030	{
938	coro_cctx *cctx = cctx_first;	1031	coro_cctx *cctx = cctx_first;
939	cctx_first = cctx->next;	1032	cctx_first = cctx->next;
940	--cctx_idle;	1033	--cctx_idle;
941		1034
942	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1035	if (expect_true (!CCTX_EXPIRED (cctx)))
943	return cctx;	1036	return cctx;
944		1037
945	cctx_destroy (cctx);	1038	cctx_destroy (cctx);
946	}	1039	}
947		1040
…		…
950		1043
951	static void	1044	static void
952	cctx_put (coro_cctx *cctx)	1045	cctx_put (coro_cctx *cctx)
953	{	1046	{
954	/* free another cctx if overlimit */	1047	/* free another cctx if overlimit */
955	if (cctx_idle >= MAX_IDLE_CCTX)	1048	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
956	{	1049	{
957	coro_cctx *first = cctx_first;	1050	coro_cctx *first = cctx_first;
958	cctx_first = first->next;	1051	cctx_first = first->next;
959	--cctx_idle;	1052	--cctx_idle;
960		1053
…		…
966	cctx_first = cctx;	1059	cctx_first = cctx;
967	}	1060	}
968		1061
969	/ coroutine switching ***************************************************/	1062	/ coroutine switching ***************************************************/
970		1063
971	static void NOINLINE	1064	static void
972	transfer_check (pTHX_ struct coro prev, struct coro next)	1065	transfer_check (pTHX_ struct coro prev, struct coro next)
973	{	1066	{
974	if (prev != next)	1067	if (expect_true (prev != next))
975	{	1068	{
976	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1069	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
977	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1070	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
978		1071
979	if (next->flags & CF_RUNNING)	1072	if (expect_false (next->flags & CF_RUNNING))
980	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1073	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
981		1074
982	if (next->flags & CF_DESTROYED)	1075	if (expect_false (next->flags & CF_DESTROYED))
983	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1076	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
984		1077
		1078	if (
		1079	#if PERL_VERSION_ATLEAST (5,9,0)
		1080	expect_false (PL_parser)
		1081	#else
985	if (PL_lex_state != LEX_NOTPARSING)	1082	expect_false (PL_lex_state != LEX_NOTPARSING)
		1083	#endif
		1084	)
986	croak ("Coro::State::transfer called while parsing, but this is not supported");	1085	croak ("Coro::State::transfer called while parsing, but this is not supported");
987	}	1086	}
988	}	1087	}
989		1088
990	/* always use the TRANSFER macro */	1089	/* always use the TRANSFER macro */
…		…
992	transfer (pTHX_ struct coro prev, struct coro next)	1091	transfer (pTHX_ struct coro prev, struct coro next)
993	{	1092	{
994	dSTACKLEVEL;	1093	dSTACKLEVEL;
995		1094
996	/* sometimes transfer is only called to set idle_sp */	1095	/* sometimes transfer is only called to set idle_sp */
997	if (!next)	1096	if (expect_false (!next))
998	{	1097	{
999	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1098	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1000	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1099	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1001	}	1100	}
1002	else if (prev != next)	1101	else if (expect_true (prev != next))
1003	{	1102	{
1004	coro_cctx *prev__cctx;	1103	coro_cctx *prev__cctx;
1005		1104
1006	if (prev->flags & CF_NEW)	1105	if (expect_false (prev->flags & CF_NEW))
1007	{	1106	{
1008	/* create a new empty context */	1107	/* create a new empty context */
1009	Newz (0, prev->cctx, 1, coro_cctx);	1108	Newz (0, prev->cctx, 1, coro_cctx);
1010	prev->flags &= ~CF_NEW;	1109	prev->flags &= ~CF_NEW;
1011	prev->flags \|= CF_RUNNING;	1110	prev->flags \|= CF_RUNNING;
…		…
1014	prev->flags &= ~CF_RUNNING;	1113	prev->flags &= ~CF_RUNNING;
1015	next->flags \|= CF_RUNNING;	1114	next->flags \|= CF_RUNNING;
1016		1115
1017	LOCK;	1116	LOCK;
1018		1117
1019	if (next->flags & CF_NEW)	1118	if (expect_false (next->flags & CF_NEW))
1020	{	1119	{
1021	/* need to start coroutine */	1120	/* need to start coroutine */
1022	next->flags &= ~CF_NEW;	1121	next->flags &= ~CF_NEW;
1023	/* first get rid of the old state */	1122	/* first get rid of the old state */
1024	save_perl (aTHX_ prev);	1123	save_perl (aTHX_ prev);
…		…
1033	}	1132	}
1034		1133
1035	prev__cctx = prev->cctx;	1134	prev__cctx = prev->cctx;
1036		1135
1037	/* possibly "free" the cctx */	1136	/* possibly "free" the cctx */
1038	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1137	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1039	{	1138	{
1040	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1139	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1041	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1140	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1042		1141
1043	prev->cctx = 0;	1142	prev->cctx = 0;
1044		1143
		1144	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1145	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1146	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1147	if (!next->cctx)
		1148	next->cctx = cctx_get (aTHX);
		1149
1045	cctx_put (prev__cctx);	1150	cctx_put (prev__cctx);
1046	}	1151	}
1047		1152
1048	++next->usecount;	1153	++next->usecount;
1049		1154
1050	if (!next->cctx)	1155	if (expect_true (!next->cctx))
1051	next->cctx = cctx_get (aTHX);	1156	next->cctx = cctx_get (aTHX);
1052		1157
1053	if (prev__cctx != next->cctx)	1158	if (expect_false (prev__cctx != next->cctx))
1054	{	1159	{
1055	prev__cctx->top_env = PL_top_env;	1160	prev__cctx->top_env = PL_top_env;
1056	PL_top_env = next->cctx->top_env;	1161	PL_top_env = next->cctx->top_env;
1057	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1162	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1058	}	1163	}
1059		1164
1060	free_coro_mortal (aTHX);	1165	free_coro_mortal (aTHX);
1061	UNLOCK;	1166	UNLOCK;
		1167
		1168	if (expect_false (prev->throw \|\| next->throw))
		1169	{
		1170	struct coro *coro = SvSTATE (coro_current);
		1171
		1172	if (coro->throw)
		1173	{
		1174	SV *exception = coro->throw;
		1175	coro->throw = 0;
		1176	sv_setsv (ERRSV, exception);
		1177	croak (0);
		1178	}
		1179	}
1062	}	1180	}
1063	}	1181	}
1064		1182
1065	struct transfer_args	1183	struct transfer_args
1066	{	1184	{
…		…
1101	save_perl (aTHX_ &temp);	1219	save_perl (aTHX_ &temp);
1102	load_perl (aTHX_ coro);	1220	load_perl (aTHX_ coro);
1103		1221
1104	coro_destroy (aTHX_ coro);	1222	coro_destroy (aTHX_ coro);
1105		1223
1106	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1224	load_perl (aTHX_ &temp);
1107		1225
1108	coro->mainstack = 0;	1226	coro->slot = 0;
1109	}	1227	}
1110		1228
1111	cctx_destroy (coro->cctx);	1229	cctx_destroy (coro->cctx);
1112	SvREFCNT_dec (coro->args);	1230	SvREFCNT_dec (coro->args);
1113		1231
…		…
1238	{	1356	{
1239	LOCK;	1357	LOCK;
1240	next_sv = coro_deq (aTHX_ PRIO_MIN);	1358	next_sv = coro_deq (aTHX_ PRIO_MIN);
1241		1359
1242	/* nothing to schedule: call the idle handler */	1360	/* nothing to schedule: call the idle handler */
1243	if (!next_sv)	1361	if (expect_false (!next_sv))
1244	{	1362	{
1245	dSP;	1363	dSP;
1246	UNLOCK;	1364	UNLOCK;
1247		1365
1248	ENTER;	1366	ENTER;
…		…
1258	}	1376	}
1259		1377
1260	ta->next = SvSTATE (next_sv);	1378	ta->next = SvSTATE (next_sv);
1261		1379
1262	/* cannot transfer to destroyed coros, skip and look for next */	1380	/* cannot transfer to destroyed coros, skip and look for next */
1263	if (ta->next->flags & CF_DESTROYED)	1381	if (expect_false (ta->next->flags & CF_DESTROYED))
1264	{	1382	{
1265	UNLOCK;	1383	UNLOCK;
1266	SvREFCNT_dec (next_sv);	1384	SvREFCNT_dec (next_sv);
1267	/* coro_nready is already taken care of by destroy */	1385	/* coro_nready is already taken care of by destroy */
1268	continue;	1386	continue;
…		…
1324	dTHX;	1442	dTHX;
1325	struct transfer_args ta;	1443	struct transfer_args ta;
1326		1444
1327	prepare_cede (aTHX_ &ta);	1445	prepare_cede (aTHX_ &ta);
1328		1446
1329	if (ta.prev != ta.next)	1447	if (expect_true (ta.prev != ta.next))
1330	{	1448	{
1331	TRANSFER (ta);	1449	TRANSFER (ta);
1332	return 1;	1450	return 1;
1333	}	1451	}
1334	else	1452	else
…		…
1370	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1488	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1371		1489
1372	if (coro->flags & CF_RUNNING)	1490	if (coro->flags & CF_RUNNING)
1373	PL_runops = RUNOPS_DEFAULT;	1491	PL_runops = RUNOPS_DEFAULT;
1374	else	1492	else
1375	coro->runops = RUNOPS_DEFAULT;	1493	coro->slot->runops = RUNOPS_DEFAULT;
1376	}	1494	}
1377	}	1495	}
1378		1496
1379	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1380		1498
…		…
1385	#ifdef USE_ITHREADS	1503	#ifdef USE_ITHREADS
1386	MUTEX_INIT (&coro_mutex);	1504	MUTEX_INIT (&coro_mutex);
1387	#endif	1505	#endif
1388	BOOT_PAGESIZE;	1506	BOOT_PAGESIZE;
1389		1507
1390	irsgv = gv_fetchpv ("/", 1, SVt_PV);	1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1510
		1511	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1512	sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE);
		1513	sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE);
		1514
		1515	if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
		1516	if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1391		1517
1392	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1393		1519
1394	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1395	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1401		1527
1402	while (main_top_env->je_prev)	1528	while (main_top_env->je_prev)
1403	main_top_env = main_top_env->je_prev;	1529	main_top_env = main_top_env->je_prev;
1404		1530
1405	coroapi.ver = CORO_API_VERSION;	1531	coroapi.ver = CORO_API_VERSION;
		1532	coroapi.rev = CORO_API_REVISION;
1406	coroapi.transfer = api_transfer;	1533	coroapi.transfer = api_transfer;
1407		1534
1408	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1409	}	1536	}
1410		1537
…		…
1426		1553
1427	coro->hv = hv = newHV ();	1554	coro->hv = hv = newHV ();
1428	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1555	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1429	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1430		1557
		1558	av_extend (coro->args, items - 1);
1431	for (i = 1; i < items; i++)	1559	for (i = 1; i < items; i++)
1432	av_push (coro->args, newSVsv (ST (i)));	1560	av_push (coro->args, newSVsv (ST (i)));
1433	}	1561	}
1434	OUTPUT:	1562	OUTPUT:
1435	RETVAL	1563	RETVAL
…		…
1476		1604
1477	break;	1605	break;
1478	}	1606	}
1479		1607
1480	BARRIER;	1608	BARRIER;
		1609	PUTBACK;
1481	TRANSFER (ta);	1610	TRANSFER (ta);
1482		1611	SPAGAIN; /* might be the sp of a different coroutine now */
1483	if (GIMME_V != G_VOID && ta.next != ta.prev)	1612	/* be extra careful not to ever do anything after TRANSFER */
1484	XSRETURN_YES;
1485	}	1613	}
1486		1614
1487	bool	1615	bool
1488	_destroy (SV *coro_sv)	1616	_destroy (SV *coro_sv)
1489	CODE:	1617	CODE:
…		…
1538	CODE:	1666	CODE:
1539	{	1667	{
1540	if (coro->mainstack)	1668	if (coro->mainstack)
1541	{	1669	{
1542	struct coro temp;	1670	struct coro temp;
1543	Zero (&temp, 1, struct coro);
1544		1671
1545	if (!(coro->flags & CF_RUNNING))	1672	if (!(coro->flags & CF_RUNNING))
1546	{	1673	{
1547	save_perl (aTHX_ &temp);	1674	save_perl (aTHX_ &temp);
1548	load_perl (aTHX_ coro);	1675	load_perl (aTHX_ coro);
…		…
1550		1677
1551	{	1678	{
1552	dSP;	1679	dSP;
1553	ENTER;	1680	ENTER;
1554	SAVETMPS;	1681	SAVETMPS;
		1682	PUTBACK;
		1683	PUSHSTACK;
1555	PUSHMARK (SP);	1684	PUSHMARK (SP);
1556	PUTBACK;	1685
1557	if (ix)	1686	if (ix)
1558	eval_sv (coderef, 0);	1687	eval_sv (coderef, 0);
1559	else	1688	else
1560	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1689	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1690
		1691	POPSTACK;
1561	SPAGAIN;	1692	SPAGAIN;
1562	FREETMPS;	1693	FREETMPS;
1563	LEAVE;	1694	LEAVE;
1564	PUTBACK;	1695	PUTBACK;
1565	}	1696	}
…		…
1623		1754
1624	BOOT:	1755	BOOT:
1625	{	1756	{
1626	int i;	1757	int i;
1627		1758
1628	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1759	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1629	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1760	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1630	av_async_pool = get_av ("Coro::async_pool", TRUE);	1761	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1631		1762
1632	coro_current = get_sv ("Coro::current", FALSE);	1763	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1633	SvREADONLY_on (coro_current);	1764	SvREADONLY_on (coro_current);
1634		1765
1635	coro_stash = gv_stashpv ("Coro", TRUE);	1766	coro_stash = gv_stashpv ("Coro", TRUE);
1636		1767
1637	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1768	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1638	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1769	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1639	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1770	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1640	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1771	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1643		1774
1644	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1775	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1645	coro_ready[i] = newAV ();	1776	coro_ready[i] = newAV ();
1646		1777
1647	{	1778	{
1648	SV *sv = perl_get_sv("Coro::API", 1);	1779	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1780	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1649		1781
1650	coroapi.schedule = api_schedule;	1782	coroapi.schedule = api_schedule;
1651	coroapi.cede = api_cede;	1783	coroapi.cede = api_cede;
1652	coroapi.cede_notself = api_cede_notself;	1784	coroapi.cede_notself = api_cede_notself;
1653	coroapi.ready = api_ready;	1785	coroapi.ready = api_ready;
…		…
1704	CODE:	1836	CODE:
1705	RETVAL = coro_nready;	1837	RETVAL = coro_nready;
1706	OUTPUT:	1838	OUTPUT:
1707	RETVAL	1839	RETVAL
1708		1840
		1841	void
		1842	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1843	PROTOTYPE: $;$
		1844	CODE:
		1845	SvREFCNT_dec (self->throw);
		1846	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1847
1709	# for async_pool speedup	1848	# for async_pool speedup
1710	void	1849	void
1711	_pool_1 (SV *cb)	1850	_pool_1 (SV *cb)
1712	CODE:	1851	CODE:
1713	{	1852	{
…		…
1717	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1718	AV *invoke_av;	1857	AV *invoke_av;
1719	int i, len;	1858	int i, len;
1720		1859
1721	if (!invoke)	1860	if (!invoke)
1722	croak ("\3terminate\2\n");	1861	croak ("\3async_pool terminate\2\n");
1723		1862
1724	SvREFCNT_dec (coro->saved_deffh);	1863	SvREFCNT_dec (coro->saved_deffh);
1725	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1726		1865
1727	hv_store (hv, "desc", sizeof ("desc") - 1,	1866	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1753	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1754	coro->saved_deffh = 0;	1893	coro->saved_deffh = 0;
1755		1894
1756	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1757	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1758	croak ("\3terminate\2\n");	1897	croak ("\3async_pool terminate\2\n");
1759		1898
1760	av_clear (GvAV (PL_defgv));	1899	av_clear (GvAV (PL_defgv));
1761	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1762	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1763		1902

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Comparing Coro/Coro/State.xs (file contents): Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs. Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.184 by root, Thu Oct 4 13:45:56 2007 UTC vs.
Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC