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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs.
Revision 1.212 by root, Wed Oct 10 04:21:33 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	GV 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	GV *asp_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 (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 (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 (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	PL_defoutgv = c->deffh;
396	PL_rs = c->irssv;
397	GvSV (irsgv) = c->irssv_sv;
398		458
399	{	459	{
400	dSP;	460	dSP;
		461
401	CV *cv;	462	CV *cv;
402		463
403	/* now do the ugly restore mess */	464	/* now do the ugly restore mess */
404	while ((cv = (CV *)POPs))	465	while (expect_true (cv = (CV *)POPs))
405	{	466	{
406	put_padlist (aTHX_ cv); /* mark this padlist as available */	467	put_padlist (aTHX_ cv); /* mark this padlist as available */
407	CvDEPTH (cv) = PTR2IV (POPs);	468	CvDEPTH (cv) = PTR2IV (POPs);
408	CvPADLIST (cv) = (AV *)POPs;	469	CvPADLIST (cv) = (AV *)POPs;
409	}	470	}
…		…
428		489
429	XPUSHs (Nullsv);	490	XPUSHs (Nullsv);
430	/* this loop was inspired by pp_caller */	491	/* this loop was inspired by pp_caller */
431	for (;;)	492	for (;;)
432	{	493	{
433	while (cxix >= 0)	494	while (expect_true (cxix >= 0))
434	{	495	{
435	PERL_CONTEXT *cx = &ccstk[cxix--];	496	PERL_CONTEXT *cx = &ccstk[cxix--];
436		497
437	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	498	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
438	{	499	{
439	CV *cv = cx->blk_sub.cv;	500	CV *cv = cx->blk_sub.cv;
440		501
441	if (CvDEPTH (cv))	502	if (expect_true (CvDEPTH (cv)))
442	{	503	{
443	EXTEND (SP, 3);	504	EXTEND (SP, 3);
444	PUSHs ((SV *)CvPADLIST (cv));	505	PUSHs ((SV *)CvPADLIST (cv));
445	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	506	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
446	PUSHs ((SV *)cv);	507	PUSHs ((SV *)cv);
…		…
449	get_padlist (aTHX_ cv);	510	get_padlist (aTHX_ cv);
450	}	511	}
451	}	512	}
452	}	513	}
453		514
454	if (top_si->si_type == PERLSI_MAIN)	515	if (expect_true (top_si->si_type == PERLSI_MAIN))
455	break;	516	break;
456		517
457	top_si = top_si->si_prev;	518	top_si = top_si->si_prev;
458	ccstk = top_si->si_cxstack;	519	ccstk = top_si->si_cxstack;
459	cxix = top_si->si_cxix;	520	cxix = top_si->si_cxix;
460	}	521	}
461		522
462	PUTBACK;	523	PUTBACK;
463	}	524	}
464		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
465	c->defav = GvAV (PL_defgv);	543	slot->defav = GvAV (PL_defgv);
466	c->defsv = DEFSV;	544	slot->defsv = DEFSV;
467	c->errsv = ERRSV;	545	slot->errsv = ERRSV;
468	c->deffh = PL_defoutgv;
469	c->irssv = PL_rs;
470	c->irssv_sv = GvSV (irsgv);	546	slot->irsgv = GvSV (irsgv);
471		547
472	#define VAR(name,type)c->name = PL_ ## name;	548	#define VAR(name,type) slot->name = PL_ ## name;
473	# include "state.h"	549	# include "state.h"
474	#undef VAR	550	#undef VAR
		551	}
475	}	552	}
476		553
477	/*	554	/*
478	* allocate various perl stacks. This is an exact copy	555	* allocate various perl stacks. This is an exact copy
479	* of perl.c:init_stacks, except that it uses less memory	556	* of perl.c:init_stacks, except that it uses less memory
…		…
484	# define coro_init_stacks init_stacks	561	# define coro_init_stacks init_stacks
485	#else	562	#else
486	static void	563	static void
487	coro_init_stacks (pTHX)	564	coro_init_stacks (pTHX)
488	{	565	{
489	PL_curstackinfo = new_stackinfo(64, 6);	566	PL_curstackinfo = new_stackinfo(32, 8);
490	PL_curstackinfo->si_type = PERLSI_MAIN;	567	PL_curstackinfo->si_type = PERLSI_MAIN;
491	PL_curstack = PL_curstackinfo->si_stack;	568	PL_curstack = PL_curstackinfo->si_stack;
492	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	569	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
493		570
494	PL_stack_base = AvARRAY(PL_curstack);	571	PL_stack_base = AvARRAY(PL_curstack);
495	PL_stack_sp = PL_stack_base;	572	PL_stack_sp = PL_stack_base;
496	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	573	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
497		574
498	New(50,PL_tmps_stack,64,SV*);	575	New(50,PL_tmps_stack,32,SV*);
499	PL_tmps_floor = -1;	576	PL_tmps_floor = -1;
500	PL_tmps_ix = -1;	577	PL_tmps_ix = -1;
501	PL_tmps_max = 64;	578	PL_tmps_max = 32;
502		579
503	New(54,PL_markstack,16,I32);	580	New(54,PL_markstack,16,I32);
504	PL_markstack_ptr = PL_markstack;	581	PL_markstack_ptr = PL_markstack;
505	PL_markstack_max = PL_markstack + 16;	582	PL_markstack_max = PL_markstack + 16;
506		583
507	#ifdef SET_MARK_OFFSET	584	#ifdef SET_MARK_OFFSET
508	SET_MARK_OFFSET;	585	SET_MARK_OFFSET;
509	#endif	586	#endif
510		587
511	New(54,PL_scopestack,16,I32);	588	New(54,PL_scopestack,8,I32);
512	PL_scopestack_ix = 0;	589	PL_scopestack_ix = 0;
513	PL_scopestack_max = 16;	590	PL_scopestack_max = 8;
514		591
515	New(54,PL_savestack,64,ANY);	592	New(54,PL_savestack,24,ANY);
516	PL_savestack_ix = 0;	593	PL_savestack_ix = 0;
517	PL_savestack_max = 64;	594	PL_savestack_max = 24;
518		595
519	#if !PERL_VERSION_ATLEAST (5,9,0)	596	#if !PERL_VERSION_ATLEAST (5,9,0)
520	New(54,PL_retstack,4,OP*);	597	New(54,PL_retstack,4,OP*);
521	PL_retstack_ix = 0;	598	PL_retstack_ix = 0;
522	PL_retstack_max = 4;	599	PL_retstack_max = 4;
…		…
559	{	636	{
560	size_t rss = sizeof (*coro);	637	size_t rss = sizeof (*coro);
561		638
562	if (coro->mainstack)	639	if (coro->mainstack)
563	{	640	{
		641	perl_slots tmp_slot;
		642	perl_slots *slot;
		643
564	if (coro->flags & CF_RUNNING)	644	if (coro->flags & CF_RUNNING)
565	{	645	{
		646	slot = &tmp_slot;
		647
566	#define VAR(name,type)coro->name = PL_ ## name;	648	#define VAR(name,type) slot->name = PL_ ## name;
567	# include "state.h"	649	# include "state.h"
568	#undef VAR	650	#undef VAR
569	}	651	}
		652	else
		653	slot = coro->slot;
570		654
571	rss += sizeof (coro->curstackinfo);	655	rss += sizeof (slot->curstackinfo);
572	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
573	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
574	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
575	rss += coro->tmps_max * sizeof (SV *);	658	rss += slot->tmps_max * sizeof (SV *);
576	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
577	rss += coro->scopestack_max * sizeof (I32);	660	rss += slot->scopestack_max * sizeof (I32);
578	rss += coro->savestack_max * sizeof (ANY);	661	rss += slot->savestack_max * sizeof (ANY);
579		662
580	#if !PERL_VERSION_ATLEAST (5,9,0)	663	#if !PERL_VERSION_ATLEAST (5,9,0)
581	rss += coro->retstack_max * sizeof (OP *);	664	rss += slot->retstack_max * sizeof (OP *);
582	#endif	665	#endif
583	}	666	}
584		667
585	return rss;	668	return rss;
586	}	669	}
…		…
598	PL_runops = RUNOPS_DEFAULT;	681	PL_runops = RUNOPS_DEFAULT;
599	PL_curcop = &PL_compiling;	682	PL_curcop = &PL_compiling;
600	PL_in_eval = EVAL_NULL;	683	PL_in_eval = EVAL_NULL;
601	PL_comppad = 0;	684	PL_comppad = 0;
602	PL_curpm = 0;	685	PL_curpm = 0;
		686	PL_curpad = 0;
603	PL_localizing = 0;	687	PL_localizing = 0;
604	PL_dirty = 0;	688	PL_dirty = 0;
605	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);
606		692
607	GvSV (PL_defgv) = NEWSV (0, 0);	693	GvSV (PL_defgv) = newSV (0);
608	GvAV (PL_defgv) = coro->args; coro->args = 0;	694	GvAV (PL_defgv) = coro->args; coro->args = 0;
609	GvSV (PL_errgv) = NEWSV (0, 0);	695	GvSV (PL_errgv) = newSV (0);
610	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);
611	PL_rs = newSVsv (GvSV (irsgv));	697	PL_rs = newSVsv (GvSV (irsgv));
612		698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
613	{
614	IO *io = newIO ();
615	PL_defoutgv = newGVgen ("Coro");
616	GvIOp(PL_defoutgv) = io;
617	IoTYPE (io) = IoTYPE_WRONLY;
618	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
619	IoFLAGS (io) \|= IOf_FLUSH;
620	}
621		699
622	{	700	{
623	dSP;	701	dSP;
624	LOGOP myop;	702	LOGOP myop;
625		703
626	Zero (&myop, 1, LOGOP);	704	Zero (&myop, 1, LOGOP);
627	myop.op_next = Nullop;	705	myop.op_next = Nullop;
628	myop.op_flags = OPf_WANT_VOID;	706	myop.op_flags = OPf_WANT_VOID;
629		707
630	PUSHMARK (SP);	708	PUSHMARK (SP);
631	XPUSHs (av_shift (GvAV (PL_defgv)));	709	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
632	PUTBACK;	710	PUTBACK;
633	PL_op = (OP *)&myop;	711	PL_op = (OP *)&myop;
634	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
635	SPAGAIN;	713	SPAGAIN;
636	}	714	}
637		715
638	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;
639	}	722	}
640		723
641	static void	724	static void
642	coro_destroy (pTHX_ struct coro *coro)	725	coro_destroy (pTHX_ struct coro *coro)
643	{	726	{
…		…
663	SvREFCNT_dec (GvSV (PL_errgv));	746	SvREFCNT_dec (GvSV (PL_errgv));
664	SvREFCNT_dec (PL_defoutgv);	747	SvREFCNT_dec (PL_defoutgv);
665	SvREFCNT_dec (PL_rs);	748	SvREFCNT_dec (PL_rs);
666	SvREFCNT_dec (GvSV (irsgv));	749	SvREFCNT_dec (GvSV (irsgv));
667		750
		751	SvREFCNT_dec (PL_diehook);
		752	SvREFCNT_dec (PL_warnhook);
		753
668	SvREFCNT_dec (coro->asp_deffh);	754	SvREFCNT_dec (coro->saved_deffh);
669	//SvREFCNT_dec (coro->throw);	755	SvREFCNT_dec (coro->throw);
670		756
671	coro_destroy_stacks (aTHX);	757	coro_destroy_stacks (aTHX);
672	}	758	}
673		759
674	static void	760	static void
675	free_coro_mortal (pTHX)	761	free_coro_mortal (pTHX)
676	{	762	{
677	if (coro_mortal)	763	if (expect_true (coro_mortal))
678	{	764	{
679	SvREFCNT_dec (coro_mortal);	765	SvREFCNT_dec (coro_mortal);
680	coro_mortal = 0;	766	coro_mortal = 0;
681	}	767	}
682	}	768	}
…		…
711	bot = PL_stack_base + cx->blk_oldsp + 1;	797	bot = PL_stack_base + cx->blk_oldsp + 1;
712	top = cx->blk_gimme == G_ARRAY ? SP + 1	798	top = cx->blk_gimme == G_ARRAY ? SP + 1
713	: cx->blk_gimme == G_SCALAR ? bot + 1	799	: cx->blk_gimme == G_SCALAR ? bot + 1
714	: bot;	800	: bot;
715		801
		802	av_extend (av, top - bot);
716	while (bot < top)	803	while (bot < top)
717	av_push (av, SvREFCNT_inc (*bot++));	804	av_push (av, SvREFCNT_inc (*bot++));
718		805
719	PL_runops = RUNOPS_DEFAULT;	806	PL_runops = RUNOPS_DEFAULT;
720	ENTER;	807	ENTER;
…		…
806		893
807	/* 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 */
808	/* _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 */
809	/* during execution of a perl program */	896	/* during execution of a perl program */
810	static void NOINLINE	897	static void NOINLINE
811	prepare_cctx (pTHX_ coro_cctx *cctx)	898	cctx_prepare (pTHX_ coro_cctx *cctx)
812	{	899	{
813	dSP;	900	dSP;
814	LOGOP myop;	901	LOGOP myop;
815		902
816	PL_top_env = &PL_start_env;	903	PL_top_env = &PL_start_env;
…		…
834		921
835	/*	922	/*
836	* this is a _very_ stripped down perl interpreter ;)	923	* this is a _very_ stripped down perl interpreter ;)
837	*/	924	*/
838	static void	925	static void
839	coro_run (void *arg)	926	cctx_run (void *arg)
840	{	927	{
841	dTHX;	928	dTHX;
842		929
843	/* coro_run is the alternative tail of transfer(), so unlock here. */	930	/* cctx_run is the alternative tail of transfer(), so unlock here. */
844	UNLOCK;	931	UNLOCK;
845		932
846	/* we now skip the entersub that lead to transfer() */	933	/* we now skip the entersub that lead to transfer() */
847	PL_op = PL_op->op_next;	934	PL_op = PL_op->op_next;
848		935
849	/* inject a fake subroutine call to cctx_init */	936	/* inject a fake subroutine call to cctx_init */
850	prepare_cctx (aTHX_ (coro_cctx *)arg);	937	cctx_prepare (aTHX_ (coro_cctx *)arg);
851		938
852	/* 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 */
853	PL_restartop = PL_op;	940	PL_restartop = PL_op;
854	perl_run (PL_curinterp);	941	perl_run (PL_curinterp);
855		942
…		…
874	++cctx_count;	961	++cctx_count;
875		962
876	Newz (0, cctx, 1, coro_cctx);	963	Newz (0, cctx, 1, coro_cctx);
877		964
878	#if HAVE_MMAP	965	#if HAVE_MMAP
879
880	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;
881	/* mmap supposedly does allocate-on-write for us */	967	/* mmap supposedly does allocate-on-write for us */
882	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);
883		969
884	if (cctx->sptr != (void *)-1)	970	if (cctx->sptr != (void *)-1)
…		…
905	stack_start = cctx->sptr;	991	stack_start = cctx->sptr;
906	stack_size = cctx->ssize;	992	stack_size = cctx->ssize;
907	}	993	}
908		994
909	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	995	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
910	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);
911		997
912	return cctx;	998	return cctx;
913	}	999	}
914		1000
915	static void	1001	static void
…		…
932	Safefree (cctx->sptr);	1018	Safefree (cctx->sptr);
933		1019
934	Safefree (cctx);	1020	Safefree (cctx);
935	}	1021	}
936		1022
		1023	/* wether this cctx should be destructed */
		1024	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1025
937	static coro_cctx *	1026	static coro_cctx *
938	cctx_get (pTHX)	1027	cctx_get (pTHX)
939	{	1028	{
940	while (cctx_first)	1029	while (expect_true (cctx_first))
941	{	1030	{
942	coro_cctx *cctx = cctx_first;	1031	coro_cctx *cctx = cctx_first;
943	cctx_first = cctx->next;	1032	cctx_first = cctx->next;
944	--cctx_idle;	1033	--cctx_idle;
945		1034
946	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1035	if (expect_true (!CCTX_EXPIRED (cctx)))
947	return cctx;	1036	return cctx;
948		1037
949	cctx_destroy (cctx);	1038	cctx_destroy (cctx);
950	}	1039	}
951		1040
…		…
954		1043
955	static void	1044	static void
956	cctx_put (coro_cctx *cctx)	1045	cctx_put (coro_cctx *cctx)
957	{	1046	{
958	/* free another cctx if overlimit */	1047	/* free another cctx if overlimit */
959	if (cctx_idle >= MAX_IDLE_CCTX)	1048	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
960	{	1049	{
961	coro_cctx *first = cctx_first;	1050	coro_cctx *first = cctx_first;
962	cctx_first = first->next;	1051	cctx_first = first->next;
963	--cctx_idle;	1052	--cctx_idle;
964		1053
…		…
970	cctx_first = cctx;	1059	cctx_first = cctx;
971	}	1060	}
972		1061
973	/ coroutine switching ***************************************************/	1062	/ coroutine switching ***************************************************/
974		1063
975	static void NOINLINE	1064	static void
976	transfer_check (pTHX_ struct coro prev, struct coro next)	1065	transfer_check (pTHX_ struct coro prev, struct coro next)
977	{	1066	{
978	if (prev != next)	1067	if (expect_true (prev != next))
979	{	1068	{
980	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1069	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
981	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");
982		1071
983	if (next->flags & CF_RUNNING)	1072	if (expect_false (next->flags & CF_RUNNING))
984	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");
985		1074
986	if (next->flags & CF_DESTROYED)	1075	if (expect_false (next->flags & CF_DESTROYED))
987	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");
988		1077
		1078	if (
		1079	#if PERL_VERSION_ATLEAST (5,9,0)
		1080	expect_false (PL_parser)
		1081	#else
989	if (PL_lex_state != LEX_NOTPARSING)	1082	expect_false (PL_lex_state != LEX_NOTPARSING)
		1083	#endif
		1084	)
990	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");
991	}	1086	}
992	}	1087	}
993		1088
994	/* always use the TRANSFER macro */	1089	/* always use the TRANSFER macro */
…		…
996	transfer (pTHX_ struct coro prev, struct coro next)	1091	transfer (pTHX_ struct coro prev, struct coro next)
997	{	1092	{
998	dSTACKLEVEL;	1093	dSTACKLEVEL;
999		1094
1000	/* sometimes transfer is only called to set idle_sp */	1095	/* sometimes transfer is only called to set idle_sp */
1001	if (!next)	1096	if (expect_false (!next))
1002	{	1097	{
1003	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1098	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1004	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 */
1005	}	1100	}
1006	else if (prev != next)	1101	else if (expect_true (prev != next))
1007	{	1102	{
1008	coro_cctx *prev__cctx;	1103	coro_cctx *prev__cctx;
1009		1104
1010	if (prev->flags & CF_NEW)	1105	if (expect_false (prev->flags & CF_NEW))
1011	{	1106	{
1012	/* create a new empty context */	1107	/* create a new empty context */
1013	Newz (0, prev->cctx, 1, coro_cctx);	1108	Newz (0, prev->cctx, 1, coro_cctx);
1014	prev->flags &= ~CF_NEW;	1109	prev->flags &= ~CF_NEW;
1015	prev->flags \|= CF_RUNNING;	1110	prev->flags \|= CF_RUNNING;
…		…
1018	prev->flags &= ~CF_RUNNING;	1113	prev->flags &= ~CF_RUNNING;
1019	next->flags \|= CF_RUNNING;	1114	next->flags \|= CF_RUNNING;
1020		1115
1021	LOCK;	1116	LOCK;
1022		1117
1023	if (next->flags & CF_NEW)	1118	if (expect_false (next->flags & CF_NEW))
1024	{	1119	{
1025	/* need to start coroutine */	1120	/* need to start coroutine */
1026	next->flags &= ~CF_NEW;	1121	next->flags &= ~CF_NEW;
1027	/* first get rid of the old state */	1122	/* first get rid of the old state */
1028	save_perl (aTHX_ prev);	1123	save_perl (aTHX_ prev);
…		…
1037	}	1132	}
1038		1133
1039	prev__cctx = prev->cctx;	1134	prev__cctx = prev->cctx;
1040		1135
1041	/* possibly "free" the cctx */	1136	/* possibly "free" the cctx */
1042	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)))
1043	{	1138	{
1044	/* 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 */
1045	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));
1046		1141
1047	prev->cctx = 0;	1142	prev->cctx = 0;
1048		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
1049	cctx_put (prev__cctx);	1150	cctx_put (prev__cctx);
1050	}	1151	}
1051		1152
1052	++next->usecount;	1153	++next->usecount;
1053		1154
1054	if (!next->cctx)	1155	if (expect_true (!next->cctx))
1055	next->cctx = cctx_get (aTHX);	1156	next->cctx = cctx_get (aTHX);
1056		1157
1057	if (prev__cctx != next->cctx)	1158	if (expect_false (prev__cctx != next->cctx))
1058	{	1159	{
1059	prev__cctx->top_env = PL_top_env;	1160	prev__cctx->top_env = PL_top_env;
1060	PL_top_env = next->cctx->top_env;	1161	PL_top_env = next->cctx->top_env;
1061	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1162	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1062	}	1163	}
1063		1164
1064	free_coro_mortal (aTHX);	1165	free_coro_mortal (aTHX);
1065	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	}
1066	}	1180	}
1067	}	1181	}
1068		1182
1069	struct transfer_args	1183	struct transfer_args
1070	{	1184	{
…		…
1105	save_perl (aTHX_ &temp);	1219	save_perl (aTHX_ &temp);
1106	load_perl (aTHX_ coro);	1220	load_perl (aTHX_ coro);
1107		1221
1108	coro_destroy (aTHX_ coro);	1222	coro_destroy (aTHX_ coro);
1109		1223
1110	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1224	load_perl (aTHX_ &temp);
1111		1225
1112	coro->mainstack = 0;	1226	coro->slot = 0;
1113	}	1227	}
1114		1228
1115	cctx_destroy (coro->cctx);	1229	cctx_destroy (coro->cctx);
1116	SvREFCNT_dec (coro->args);	1230	SvREFCNT_dec (coro->args);
1117		1231
…		…
1242	{	1356	{
1243	LOCK;	1357	LOCK;
1244	next_sv = coro_deq (aTHX_ PRIO_MIN);	1358	next_sv = coro_deq (aTHX_ PRIO_MIN);
1245		1359
1246	/* nothing to schedule: call the idle handler */	1360	/* nothing to schedule: call the idle handler */
1247	if (!next_sv)	1361	if (expect_false (!next_sv))
1248	{	1362	{
1249	dSP;	1363	dSP;
1250	UNLOCK;	1364	UNLOCK;
1251		1365
1252	ENTER;	1366	ENTER;
…		…
1262	}	1376	}
1263		1377
1264	ta->next = SvSTATE (next_sv);	1378	ta->next = SvSTATE (next_sv);
1265		1379
1266	/* cannot transfer to destroyed coros, skip and look for next */	1380	/* cannot transfer to destroyed coros, skip and look for next */
1267	if (ta->next->flags & CF_DESTROYED)	1381	if (expect_false (ta->next->flags & CF_DESTROYED))
1268	{	1382	{
1269	UNLOCK;	1383	UNLOCK;
1270	SvREFCNT_dec (next_sv);	1384	SvREFCNT_dec (next_sv);
1271	/* coro_nready is already taken care of by destroy */	1385	/* coro_nready is already taken care of by destroy */
1272	continue;	1386	continue;
…		…
1328	dTHX;	1442	dTHX;
1329	struct transfer_args ta;	1443	struct transfer_args ta;
1330		1444
1331	prepare_cede (aTHX_ &ta);	1445	prepare_cede (aTHX_ &ta);
1332		1446
1333	if (ta.prev != ta.next)	1447	if (expect_true (ta.prev != ta.next))
1334	{	1448	{
1335	TRANSFER (ta);	1449	TRANSFER (ta);
1336	return 1;	1450	return 1;
1337	}	1451	}
1338	else	1452	else
…		…
1374	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1488	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1375		1489
1376	if (coro->flags & CF_RUNNING)	1490	if (coro->flags & CF_RUNNING)
1377	PL_runops = RUNOPS_DEFAULT;	1491	PL_runops = RUNOPS_DEFAULT;
1378	else	1492	else
1379	coro->runops = RUNOPS_DEFAULT;	1493	coro->slot->runops = RUNOPS_DEFAULT;
1380	}	1494	}
1381	}	1495	}
1382		1496
1383	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1384		1498
…		…
1389	#ifdef USE_ITHREADS	1503	#ifdef USE_ITHREADS
1390	MUTEX_INIT (&coro_mutex);	1504	MUTEX_INIT (&coro_mutex);
1391	#endif	1505	#endif
1392	BOOT_PAGESIZE;	1506	BOOT_PAGESIZE;
1393		1507
1394	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 ("SIG", TRUE);
		1512	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1513	sv_warnhook = coro_get_sv ("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);
1395		1517
1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1397		1519
1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1405		1527
1406	while (main_top_env->je_prev)	1528	while (main_top_env->je_prev)
1407	main_top_env = main_top_env->je_prev;	1529	main_top_env = main_top_env->je_prev;
1408		1530
1409	coroapi.ver = CORO_API_VERSION;	1531	coroapi.ver = CORO_API_VERSION;
		1532	coroapi.rev = CORO_API_REVISION;
1410	coroapi.transfer = api_transfer;	1533	coroapi.transfer = api_transfer;
1411		1534
1412	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1413	}	1536	}
1414		1537
…		…
1430		1553
1431	coro->hv = hv = newHV ();	1554	coro->hv = hv = newHV ();
1432	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;
1433	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1434		1557
		1558	av_extend (coro->args, items - 1);
1435	for (i = 1; i < items; i++)	1559	for (i = 1; i < items; i++)
1436	av_push (coro->args, newSVsv (ST (i)));	1560	av_push (coro->args, newSVsv (ST (i)));
1437	}	1561	}
1438	OUTPUT:	1562	OUTPUT:
1439	RETVAL	1563	RETVAL
…		…
1480		1604
1481	break;	1605	break;
1482	}	1606	}
1483		1607
1484	BARRIER;	1608	BARRIER;
		1609	PUTBACK;
1485	TRANSFER (ta);	1610	TRANSFER (ta);
1486		1611	SPAGAIN; /* might be the sp of a different coroutine now */
1487	if (GIMME_V != G_VOID && ta.next != ta.prev)	1612	/* be extra careful not to ever do anything after TRANSFER */
1488	XSRETURN_YES;
1489	}	1613	}
1490		1614
1491	bool	1615	bool
1492	_destroy (SV *coro_sv)	1616	_destroy (SV *coro_sv)
1493	CODE:	1617	CODE:
…		…
1542	CODE:	1666	CODE:
1543	{	1667	{
1544	if (coro->mainstack)	1668	if (coro->mainstack)
1545	{	1669	{
1546	struct coro temp;	1670	struct coro temp;
1547	Zero (&temp, 1, struct coro);
1548		1671
1549	if (!(coro->flags & CF_RUNNING))	1672	if (!(coro->flags & CF_RUNNING))
1550	{	1673	{
1551	save_perl (aTHX_ &temp);	1674	save_perl (aTHX_ &temp);
1552	load_perl (aTHX_ coro);	1675	load_perl (aTHX_ coro);
…		…
1554		1677
1555	{	1678	{
1556	dSP;	1679	dSP;
1557	ENTER;	1680	ENTER;
1558	SAVETMPS;	1681	SAVETMPS;
		1682	PUTBACK;
		1683	PUSHSTACK;
1559	PUSHMARK (SP);	1684	PUSHMARK (SP);
1560	PUTBACK;	1685
1561	if (ix)	1686	if (ix)
1562	eval_sv (coderef, 0);	1687	eval_sv (coderef, 0);
1563	else	1688	else
1564	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;
1565	SPAGAIN;	1692	SPAGAIN;
1566	FREETMPS;	1693	FREETMPS;
1567	LEAVE;	1694	LEAVE;
1568	PUTBACK;	1695	PUTBACK;
1569	}	1696	}
…		…
1627		1754
1628	BOOT:	1755	BOOT:
1629	{	1756	{
1630	int i;	1757	int i;
1631		1758
1632	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1759	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1633	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1760	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1634	av_async_pool = get_av ("Coro::async_pool", TRUE);	1761	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1635		1762
1636	coro_current = get_sv ("Coro::current", FALSE);	1763	coro_current = coro_get_sv ("Coro::current", FALSE);
1637	SvREADONLY_on (coro_current);	1764	SvREADONLY_on (coro_current);
1638		1765
1639	coro_stash = gv_stashpv ("Coro", TRUE);	1766	coro_stash = gv_stashpv ("Coro", TRUE);
1640		1767
1641	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1768	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1642	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1769	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1643	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1770	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1644	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1771	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1647		1774
1648	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1775	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1649	coro_ready[i] = newAV ();	1776	coro_ready[i] = newAV ();
1650		1777
1651	{	1778	{
1652	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 */
1653		1781
1654	coroapi.schedule = api_schedule;	1782	coroapi.schedule = api_schedule;
1655	coroapi.cede = api_cede;	1783	coroapi.cede = api_cede;
1656	coroapi.cede_notself = api_cede_notself;	1784	coroapi.cede_notself = api_cede_notself;
1657	coroapi.ready = api_ready;	1785	coroapi.ready = api_ready;
…		…
1708	CODE:	1836	CODE:
1709	RETVAL = coro_nready;	1837	RETVAL = coro_nready;
1710	OUTPUT:	1838	OUTPUT:
1711	RETVAL	1839	RETVAL
1712		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
1713	# for async_pool speedup	1848	# for async_pool speedup
1714	void	1849	void
1715	_pool_1 (SV *cb)	1850	_pool_1 (SV *cb)
1716	CODE:	1851	CODE:
1717	{	1852	{
…		…
1721	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1722	AV *invoke_av;	1857	AV *invoke_av;
1723	int i, len;	1858	int i, len;
1724		1859
1725	if (!invoke)	1860	if (!invoke)
1726	croak ("\3terminate\2\n");	1861	croak ("\3async_pool terminate\2\n");
1727		1862
1728	SvREFCNT_dec (coro->asp_deffh);	1863	SvREFCNT_dec (coro->saved_deffh);
1729	coro->asp_deffh = SvREFCNT_inc (PL_defoutgv);	1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1730		1865
1731	hv_store (hv, "desc", sizeof ("desc") - 1,	1866	hv_store (hv, "desc", sizeof ("desc") - 1,
1732	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1867	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1733		1868
1734	invoke_av = (AV *)SvRV (invoke);	1869	invoke_av = (AV *)SvRV (invoke);
…		…
1752	{	1887	{
1753	struct coro *coro = SvSTATE (coro_current);	1888	struct coro *coro = SvSTATE (coro_current);
1754		1889
1755	sv_setsv (cb, &PL_sv_undef);	1890	sv_setsv (cb, &PL_sv_undef);
1756		1891
1757	SvREFCNT_dec (PL_defoutgv); PL_defoutgv = coro->asp_deffh;	1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1758	coro->asp_deffh = 0;	1893	coro->saved_deffh = 0;
1759		1894
1760	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1762	croak ("\3terminate\2\n");	1897	croak ("\3async_pool terminate\2\n");
1763		1898
1764	av_clear (GvAV (PL_defgv));	1899	av_clear (GvAV (PL_defgv));
1765	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1766	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1767		1902

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Comparing Coro/Coro/State.xs (file contents): Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs. Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs.
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC