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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC vs.
Revision 1.214 by root, Sat Oct 13 23:19:10 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
106	#define IN_DESTRUCT (PL_main_cv == Nullcv)	108	#define IN_DESTRUCT (PL_main_cv == Nullcv)
107		109
108	#if __GNUC__ >= 3	110	#if __GNUC__ >= 3
109	# define attribute(x) __attribute__(x)	111	# define attribute(x) __attribute__(x)
110	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	112	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		113	# define expect(expr,value) __builtin_expect ((expr),(value))
111	#else	114	#else
112	# define attribute(x)	115	# define attribute(x)
113	# define BARRIER	116	# define BARRIER
		117	# define expect(expr,value) (expr)
114	#endif	118	#endif
		119
		120	#define expect_false(expr) expect ((expr) != 0, 0)
		121	#define expect_true(expr) expect ((expr) != 0, 1)
115		122
116	#define NOINLINE attribute ((noinline))	123	#define NOINLINE attribute ((noinline))
117		124
118	#include "CoroAPI.h"	125	#include "CoroAPI.h"
119		126
…		…
142	static HV coro_state_stash, coro_stash;	149	static HV coro_state_stash, coro_stash;
143	static SV coro_mortal; / will be freed after next transfer */	150	static SV coro_mortal; / will be freed after next transfer */
144		151
145	static GV irsgv; / $/ */	152	static GV irsgv; / $/ */
146	static GV stdoutgv; / STDOUT /	153	static GV stdoutgv; / STDOUT /
		154	static SV *rv_diehook;
		155	static SV *rv_warnhook;
		156	static HV hv_sig; / %SIG */
147		157
148	/* async_pool helper stuff */	158	/* async_pool helper stuff */
149	static SV *sv_pool_rss;	159	static SV *sv_pool_rss;
150	static SV *sv_pool_size;	160	static SV *sv_pool_size;
151	static AV *av_async_pool;	161	static AV *av_async_pool;
…		…
187	CF_READY = 0x0002, /* coroutine is ready */	197	CF_READY = 0x0002, /* coroutine is ready */
188	CF_NEW = 0x0004, /* has never been switched to */	198	CF_NEW = 0x0004, /* has never been switched to */
189	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	199	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
190	};	200	};
191		201
		202	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		203	typedef struct {
		204	SV *defsv;
		205	AV *defav;
		206	SV *errsv;
		207	SV *irsgv;
		208	#define VAR(name,type) type name;
		209	# include "state.h"
		210	#undef VAR
		211	} perl_slots;
		212
		213	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		214
192	/* this is a structure representing a perl-level coroutine */	215	/* this is a structure representing a perl-level coroutine */
193	struct coro {	216	struct coro {
194	/* the c coroutine allocated to this perl coroutine, if any */	217	/* the c coroutine allocated to this perl coroutine, if any */
195	coro_cctx *cctx;	218	coro_cctx *cctx;
196		219
		220	/* process data */
		221	AV *mainstack;
		222	perl_slots slot; / basically the saved sp */
		223
197	/* data associated with this coroutine (initial args) */	224	AV args; / data associated with this coroutine (initial args) */
198	AV *args;	225	int refcnt; /* coroutines are refcounted, yes */
199	int refcnt;
200	int flags; /* CF_ flags */	226	int flags; /* CF_ flags */
201		227	HV hv; / the perl hash associated with this coro, if any */
202	/* optionally saved, might be zero */
203	AV defav; / @_ */
204	SV defsv; / $_ */
205	SV errsv; / $@ */
206	SV deffh; / default filehandle */
207	SV irssv; / $/ */
208	SV irssv_sv; / real $/ cache */
209
210	#define VAR(name,type) type name;
211	# include "state.h"
212	#undef VAR
213		228
214	/* statistics */	229	/* statistics */
215	int usecount; /* number of transfers to this coro */	230	int usecount; /* number of transfers to this coro */
216		231
217	/* coro process data */	232	/* coro process data */
218	int prio;	233	int prio;
219	//SV *throw;	234	SV throw; / exception to be thrown */
220		235
221	/* async_pool */	236	/* async_pool */
222	SV *saved_deffh;	237	SV *saved_deffh;
223		238
224	/* linked list */	239	/* linked list */
225	struct coro next, prev;	240	struct coro next, prev;
226	HV hv; / the perl hash associated with this coro, if any */
227	};	241	};
228		242
229	typedef struct coro *Coro__State;	243	typedef struct coro *Coro__State;
230	typedef struct coro *Coro__State_or_hashref;	244	typedef struct coro *Coro__State_or_hashref;
231		245
…		…
243	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
244	static int coro_nready;	258	static int coro_nready;
245	static struct coro *coro_first;	259	static struct coro *coro_first;
246		260
247	/ lowlevel stuff ********************************************************/	261	/ lowlevel stuff ********************************************************/
		262
		263	static SV *
		264	coro_get_sv (pTHX_ const char *name, int create)
		265	{
		266	#if PERL_VERSION_ATLEAST (5,9,0)
		267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		268	get_sv (name, create);
		269	#endif
		270	return get_sv (name, create);
		271	}
		272
		273	static AV *
		274	coro_get_av (pTHX_ const char *name, int create)
		275	{
		276	#if PERL_VERSION_ATLEAST (5,9,0)
		277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		278	get_av (name, create);
		279	#endif
		280	return get_av (name, create);
		281	}
		282
		283	static HV *
		284	coro_get_hv (pTHX_ const char *name, int create)
		285	{
		286	#if PERL_VERSION_ATLEAST (5,9,0)
		287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		288	get_hv (name, create);
		289	#endif
		290	return get_hv (name, create);
		291	}
248		292
249	static AV *	293	static AV *
250	coro_clone_padlist (pTHX_ CV *cv)	294	coro_clone_padlist (pTHX_ CV *cv)
251	{	295	{
252	AV *padlist = CvPADLIST (cv);	296	AV *padlist = CvPADLIST (cv);
…		…
300		344
301	/* casting is fun. */	345	/* casting is fun. */
302	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
303	free_padlist (aTHX_ padlist);	347	free_padlist (aTHX_ padlist);
304		348
305	SvREFCNT_dec (av);
306
307	return 0;	349	return 0;
308	}	350	}
309		351
310	#define PERL_MAGIC_coro PERL_MAGIC_ext	352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		353	#define CORO_MAGIC_type_state PERL_MAGIC_ext
311		354
312	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	355	static MGVTBL coro_cv_vtbl = {
		356	0, 0, 0, 0,
		357	coro_cv_free
		358	};
313		359
314	#define CORO_MAGIC(cv) \	360	#define CORO_MAGIC(sv,type) \
315	SvMAGIC (cv) \	361	SvMAGIC (sv) \
316	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	362	? SvMAGIC (sv)->mg_type == type \
317	? SvMAGIC (cv) \	363	? SvMAGIC (sv) \
318	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	364	: mg_find (sv, type) \
319	: 0	365	: 0
		366
		367	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		368	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
320		369
321	static struct coro *	370	static struct coro *
322	SvSTATE_ (pTHX_ SV *coro)	371	SvSTATE_ (pTHX_ SV *coro)
323	{	372	{
324	HV *stash;	373	HV *stash;
325	MAGIC *mg;	374	MAGIC *mg;
326		375
327	if (SvROK (coro))	376	if (SvROK (coro))
328	coro = SvRV (coro);	377	coro = SvRV (coro);
329		378
330	if (SvTYPE (coro) != SVt_PVHV)	379	if (expect_false (SvTYPE (coro) != SVt_PVHV))
331	croak ("Coro::State object required");	380	croak ("Coro::State object required");
332		381
333	stash = SvSTASH (coro);	382	stash = SvSTASH (coro);
334	if (stash != coro_stash && stash != coro_state_stash)	383	if (expect_false (stash != coro_stash && stash != coro_state_stash))
335	{	384	{
336	/* very slow, but rare, check */	385	/* very slow, but rare, check */
337	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	386	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
338	croak ("Coro::State object required");	387	croak ("Coro::State object required");
339	}	388	}
340		389
341	mg = CORO_MAGIC (coro);	390	mg = CORO_MAGIC_state (coro);
342	return (struct coro *)mg->mg_ptr;	391	return (struct coro *)mg->mg_ptr;
343	}	392	}
344		393
345	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	394	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
346		395
347	/* the next two functions merely cache the padlists */	396	/* the next two functions merely cache the padlists */
348	static void	397	static void
349	get_padlist (pTHX_ CV *cv)	398	get_padlist (pTHX_ CV *cv)
350	{	399	{
351	MAGIC *mg = CORO_MAGIC (cv);	400	MAGIC *mg = CORO_MAGIC_cv (cv);
352	AV *av;	401	AV *av;
353		402
354	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
355	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
356	else	405	else
357	{	406	{
358	#if CORO_PREFER_PERL_FUNCTIONS	407	#if CORO_PREFER_PERL_FUNCTIONS
359	/* this is probably cleaner, but also slower? */	408	/* this is probably cleaner, but also slower? */
…		…
368	}	417	}
369		418
370	static void	419	static void
371	put_padlist (pTHX_ CV *cv)	420	put_padlist (pTHX_ CV *cv)
372	{	421	{
373	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
374	AV *av;	423	AV *av;
375		424
376	if (!mg)	425	if (expect_false (!mg))
377	{	426	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
378	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
379	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
380	mg->mg_virtual = &vtbl_coro;
381	mg->mg_obj = (SV *)newAV ();
382	}
383		427
384	av = (AV *)mg->mg_obj;	428	av = (AV *)mg->mg_obj;
385		429
386	if (AvFILLp (av) >= AvMAX (av))	430	if (expect_false (AvFILLp (av) >= AvMAX (av)))
387	av_extend (av, AvMAX (av) + 1);	431	av_extend (av, AvMAX (av) + 1);
388		432
389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	433	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
390	}	434	}
391		435
392	/ load & save, init *****************************************************/	436	/ load & save, init *****************************************************/
393		437
394	static void	438	static void
395	load_perl (pTHX_ Coro__State c)	439	load_perl (pTHX_ Coro__State c)
396	{	440	{
		441	perl_slots *slot = c->slot;
		442	c->slot = 0;
		443
		444	PL_mainstack = c->mainstack;
		445
		446	GvSV (PL_defgv) = slot->defsv;
		447	GvAV (PL_defgv) = slot->defav;
		448	GvSV (PL_errgv) = slot->errsv;
		449	GvSV (irsgv) = slot->irsgv;
		450
397	#define VAR(name,type) PL_ ## name = c->name;	451	#define VAR(name,type) PL_ ## name = slot->name;
398	# include "state.h"	452	# include "state.h"
399	#undef VAR	453	#undef VAR
400
401	GvSV (PL_defgv) = c->defsv;
402	GvAV (PL_defgv) = c->defav;
403	GvSV (PL_errgv) = c->errsv;
404	GvSV (irsgv) = c->irssv_sv;
405		454
406	{	455	{
407	dSP;	456	dSP;
		457
408	CV *cv;	458	CV *cv;
409		459
410	/* now do the ugly restore mess */	460	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	461	while (expect_true (cv = (CV *)POPs))
412	{	462	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	463	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	464	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	465	CvPADLIST (cv) = (AV *)POPs;
416	}	466	}
…		…
435		485
436	XPUSHs (Nullsv);	486	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	487	/* this loop was inspired by pp_caller */
438	for (;;)	488	for (;;)
439	{	489	{
440	while (cxix >= 0)	490	while (expect_true (cxix >= 0))
441	{	491	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	492	PERL_CONTEXT *cx = &ccstk[cxix--];
443		493
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	494	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	495	{
446	CV *cv = cx->blk_sub.cv;	496	CV *cv = cx->blk_sub.cv;
447		497
448	if (CvDEPTH (cv))	498	if (expect_true (CvDEPTH (cv)))
449	{	499	{
450	EXTEND (SP, 3);	500	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	501	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	503	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	506	get_padlist (aTHX_ cv);
457	}	507	}
458	}	508	}
459	}	509	}
460		510
461	if (top_si->si_type == PERLSI_MAIN)	511	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	512	break;
463		513
464	top_si = top_si->si_prev;	514	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	515	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	516	cxix = top_si->si_cxix;
467	}	517	}
468		518
469	PUTBACK;	519	PUTBACK;
470	}	520	}
471		521
		522	/* allocate some space on the context stack for our purposes */
		523	/* we manually unroll here, as usually 2 slots is enough */
		524	if (SLOT_COUNT >= 1) CXINC;
		525	if (SLOT_COUNT >= 2) CXINC;
		526	if (SLOT_COUNT >= 3) CXINC;
		527	{
		528	int i;
		529	for (i = 3; i < SLOT_COUNT; ++i)
		530	CXINC;
		531	}
		532	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		533
		534	c->mainstack = PL_mainstack;
		535
		536	{
		537	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		538
472	c->defav = GvAV (PL_defgv);	539	slot->defav = GvAV (PL_defgv);
473	c->defsv = DEFSV;	540	slot->defsv = DEFSV;
474	c->errsv = ERRSV;	541	slot->errsv = ERRSV;
475	c->irssv_sv = GvSV (irsgv);	542	slot->irsgv = GvSV (irsgv);
476		543
477	#define VAR(name,type)c->name = PL_ ## name;	544	#define VAR(name,type) slot->name = PL_ ## name;
478	# include "state.h"	545	# include "state.h"
479	#undef VAR	546	#undef VAR
		547	}
480	}	548	}
481		549
482	/*	550	/*
483	* allocate various perl stacks. This is an exact copy	551	* allocate various perl stacks. This is an exact copy
484	* of perl.c:init_stacks, except that it uses less memory	552	* of perl.c:init_stacks, except that it uses less memory
…		…
489	# define coro_init_stacks init_stacks	557	# define coro_init_stacks init_stacks
490	#else	558	#else
491	static void	559	static void
492	coro_init_stacks (pTHX)	560	coro_init_stacks (pTHX)
493	{	561	{
494	PL_curstackinfo = new_stackinfo(64, 6);	562	PL_curstackinfo = new_stackinfo(32, 8);
495	PL_curstackinfo->si_type = PERLSI_MAIN;	563	PL_curstackinfo->si_type = PERLSI_MAIN;
496	PL_curstack = PL_curstackinfo->si_stack;	564	PL_curstack = PL_curstackinfo->si_stack;
497	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	565	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
498		566
499	PL_stack_base = AvARRAY(PL_curstack);	567	PL_stack_base = AvARRAY(PL_curstack);
500	PL_stack_sp = PL_stack_base;	568	PL_stack_sp = PL_stack_base;
501	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	569	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
502		570
503	New(50,PL_tmps_stack,64,SV*);	571	New(50,PL_tmps_stack,32,SV*);
504	PL_tmps_floor = -1;	572	PL_tmps_floor = -1;
505	PL_tmps_ix = -1;	573	PL_tmps_ix = -1;
506	PL_tmps_max = 64;	574	PL_tmps_max = 32;
507		575
508	New(54,PL_markstack,16,I32);	576	New(54,PL_markstack,16,I32);
509	PL_markstack_ptr = PL_markstack;	577	PL_markstack_ptr = PL_markstack;
510	PL_markstack_max = PL_markstack + 16;	578	PL_markstack_max = PL_markstack + 16;
511		579
512	#ifdef SET_MARK_OFFSET	580	#ifdef SET_MARK_OFFSET
513	SET_MARK_OFFSET;	581	SET_MARK_OFFSET;
514	#endif	582	#endif
515		583
516	New(54,PL_scopestack,16,I32);	584	New(54,PL_scopestack,8,I32);
517	PL_scopestack_ix = 0;	585	PL_scopestack_ix = 0;
518	PL_scopestack_max = 16;	586	PL_scopestack_max = 8;
519		587
520	New(54,PL_savestack,64,ANY);	588	New(54,PL_savestack,24,ANY);
521	PL_savestack_ix = 0;	589	PL_savestack_ix = 0;
522	PL_savestack_max = 64;	590	PL_savestack_max = 24;
523		591
524	#if !PERL_VERSION_ATLEAST (5,9,0)	592	#if !PERL_VERSION_ATLEAST (5,9,0)
525	New(54,PL_retstack,4,OP*);	593	New(54,PL_retstack,4,OP*);
526	PL_retstack_ix = 0;	594	PL_retstack_ix = 0;
527	PL_retstack_max = 4;	595	PL_retstack_max = 4;
…		…
564	{	632	{
565	size_t rss = sizeof (*coro);	633	size_t rss = sizeof (*coro);
566		634
567	if (coro->mainstack)	635	if (coro->mainstack)
568	{	636	{
		637	perl_slots tmp_slot;
		638	perl_slots *slot;
		639
569	if (coro->flags & CF_RUNNING)	640	if (coro->flags & CF_RUNNING)
570	{	641	{
		642	slot = &tmp_slot;
		643
571	#define VAR(name,type)coro->name = PL_ ## name;	644	#define VAR(name,type) slot->name = PL_ ## name;
572	# include "state.h"	645	# include "state.h"
573	#undef VAR	646	#undef VAR
574	}	647	}
		648	else
		649	slot = coro->slot;
575		650
576	rss += sizeof (coro->curstackinfo);	651	rss += sizeof (slot->curstackinfo);
577	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	653	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
580	rss += coro->tmps_max * sizeof (SV *);	654	rss += slot->tmps_max * sizeof (SV *);
581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
582	rss += coro->scopestack_max * sizeof (I32);	656	rss += slot->scopestack_max * sizeof (I32);
583	rss += coro->savestack_max * sizeof (ANY);	657	rss += slot->savestack_max * sizeof (ANY);
584		658
585	#if !PERL_VERSION_ATLEAST (5,9,0)	659	#if !PERL_VERSION_ATLEAST (5,9,0)
586	rss += coro->retstack_max * sizeof (OP *);	660	rss += slot->retstack_max * sizeof (OP *);
587	#endif	661	#endif
588	}	662	}
589		663
590	return rss;	664	return rss;
591	}	665	}
592		666
593	/ coroutine stack handling **********************************************/	667	/ coroutine stack handling **********************************************/
		668
		669	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		670
		671	/*
		672	* This overrides the default magic get method of %SIG elements.
		673	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		674	* and instead of tryign to save and restore the hash elements, we just provide
		675	* readback here.
		676	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		677	* not expecting this to actually change the hook. This is a potential problem
		678	* when a schedule happens then, but we ignore this.
		679	*/
		680	static int
		681	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		682	{
		683	const char *s = MgPV_nolen_const (mg);
		684
		685	if (*s == '_')
		686	{
		687	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
		688	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
		689	}
		690
		691	return orig_sigelem_get (aTHX_ sv, mg);
		692	}
594		693
595	static void	694	static void
596	coro_setup (pTHX_ struct coro *coro)	695	coro_setup (pTHX_ struct coro *coro)
597	{	696	{
598	/*	697	/*
…		…
603	PL_runops = RUNOPS_DEFAULT;	702	PL_runops = RUNOPS_DEFAULT;
604	PL_curcop = &PL_compiling;	703	PL_curcop = &PL_compiling;
605	PL_in_eval = EVAL_NULL;	704	PL_in_eval = EVAL_NULL;
606	PL_comppad = 0;	705	PL_comppad = 0;
607	PL_curpm = 0;	706	PL_curpm = 0;
		707	PL_curpad = 0;
608	PL_localizing = 0;	708	PL_localizing = 0;
609	PL_dirty = 0;	709	PL_dirty = 0;
610	PL_restartop = 0;	710	PL_restartop = 0;
		711
		712	/* recreate the die/warn hooks */
		713	PL_diehook = 0;
		714	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);
		715	PL_diehook = SvREFCNT_inc (rv_diehook);
		716
		717	PL_warnhook = 0;
		718	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
		719	PL_warnhook = SvREFCNT_inc (rv_warnhook);
611		720
612	GvSV (PL_defgv) = newSV (0);	721	GvSV (PL_defgv) = newSV (0);
613	GvAV (PL_defgv) = coro->args; coro->args = 0;	722	GvAV (PL_defgv) = coro->args; coro->args = 0;
614	GvSV (PL_errgv) = newSV (0);	723	GvSV (PL_errgv) = newSV (0);
615	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	724	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
616	PL_rs = newSVsv (GvSV (irsgv));	725	PL_rs = newSVsv (GvSV (irsgv));
617	PL_defoutgv = SvREFCNT_inc (stdoutgv);	726	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
618
619	ENTER; /* necessary e.g. for dounwind */
620		727
621	{	728	{
622	dSP;	729	dSP;
623	LOGOP myop;	730	LOGOP myop;
624		731
…		…
631	PUTBACK;	738	PUTBACK;
632	PL_op = (OP *)&myop;	739	PL_op = (OP *)&myop;
633	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	740	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
634	SPAGAIN;	741	SPAGAIN;
635	}	742	}
		743
		744	/* this newly created coroutine might be run on an existing cctx which most
		745	* likely was suspended in set_stacklevel, called from entersub.
		746	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		747	* so we ENTER here for symmetry
		748	*/
		749	ENTER;
636	}	750	}
637		751
638	static void	752	static void
639	coro_destroy (pTHX_ struct coro *coro)	753	coro_destroy (pTHX_ struct coro *coro)
640	{	754	{
…		…
660	SvREFCNT_dec (GvSV (PL_errgv));	774	SvREFCNT_dec (GvSV (PL_errgv));
661	SvREFCNT_dec (PL_defoutgv);	775	SvREFCNT_dec (PL_defoutgv);
662	SvREFCNT_dec (PL_rs);	776	SvREFCNT_dec (PL_rs);
663	SvREFCNT_dec (GvSV (irsgv));	777	SvREFCNT_dec (GvSV (irsgv));
664		778
		779	SvREFCNT_dec (PL_diehook);
		780	SvREFCNT_dec (PL_warnhook);
		781
665	SvREFCNT_dec (coro->saved_deffh);	782	SvREFCNT_dec (coro->saved_deffh);
666	//SvREFCNT_dec (coro->throw);	783	SvREFCNT_dec (coro->throw);
667		784
668	coro_destroy_stacks (aTHX);	785	coro_destroy_stacks (aTHX);
669	}	786	}
670		787
671	static void	788	static void
672	free_coro_mortal (pTHX)	789	free_coro_mortal (pTHX)
673	{	790	{
674	if (coro_mortal)	791	if (expect_true (coro_mortal))
675	{	792	{
676	SvREFCNT_dec (coro_mortal);	793	SvREFCNT_dec (coro_mortal);
677	coro_mortal = 0;	794	coro_mortal = 0;
678	}	795	}
679	}	796	}
…		…
804		921
805	/* inject a fake call to Coro::State::_cctx_init into the execution */	922	/* inject a fake call to Coro::State::_cctx_init into the execution */
806	/* _cctx_init should be careful, as it could be called at almost any time */	923	/* _cctx_init should be careful, as it could be called at almost any time */
807	/* during execution of a perl program */	924	/* during execution of a perl program */
808	static void NOINLINE	925	static void NOINLINE
809	prepare_cctx (pTHX_ coro_cctx *cctx)	926	cctx_prepare (pTHX_ coro_cctx *cctx)
810	{	927	{
811	dSP;	928	dSP;
812	LOGOP myop;	929	LOGOP myop;
813		930
814	PL_top_env = &PL_start_env;	931	PL_top_env = &PL_start_env;
…		…
832		949
833	/*	950	/*
834	* this is a _very_ stripped down perl interpreter ;)	951	* this is a _very_ stripped down perl interpreter ;)
835	*/	952	*/
836	static void	953	static void
837	coro_run (void *arg)	954	cctx_run (void *arg)
838	{	955	{
839	dTHX;	956	dTHX;
840		957
841	/* coro_run is the alternative tail of transfer(), so unlock here. */	958	/* cctx_run is the alternative tail of transfer(), so unlock here. */
842	UNLOCK;	959	UNLOCK;
843		960
844	/* we now skip the entersub that lead to transfer() */	961	/* we now skip the entersub that lead to transfer() */
845	PL_op = PL_op->op_next;	962	PL_op = PL_op->op_next;
846		963
847	/* inject a fake subroutine call to cctx_init */	964	/* inject a fake subroutine call to cctx_init */
848	prepare_cctx (aTHX_ (coro_cctx *)arg);	965	cctx_prepare (aTHX_ (coro_cctx *)arg);
849		966
850	/* somebody or something will hit me for both perl_run and PL_restartop */	967	/* somebody or something will hit me for both perl_run and PL_restartop */
851	PL_restartop = PL_op;	968	PL_restartop = PL_op;
852	perl_run (PL_curinterp);	969	perl_run (PL_curinterp);
853		970
…		…
872	++cctx_count;	989	++cctx_count;
873		990
874	Newz (0, cctx, 1, coro_cctx);	991	Newz (0, cctx, 1, coro_cctx);
875		992
876	#if HAVE_MMAP	993	#if HAVE_MMAP
877
878	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	994	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
879	/* mmap supposedly does allocate-on-write for us */	995	/* mmap supposedly does allocate-on-write for us */
880	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	996	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
881		997
882	if (cctx->sptr != (void *)-1)	998	if (cctx->sptr != (void *)-1)
…		…
903	stack_start = cctx->sptr;	1019	stack_start = cctx->sptr;
904	stack_size = cctx->ssize;	1020	stack_size = cctx->ssize;
905	}	1021	}
906		1022
907	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1023	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
908	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1024	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
909		1025
910	return cctx;	1026	return cctx;
911	}	1027	}
912		1028
913	static void	1029	static void
…		…
936	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1052	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
937		1053
938	static coro_cctx *	1054	static coro_cctx *
939	cctx_get (pTHX)	1055	cctx_get (pTHX)
940	{	1056	{
941	while (cctx_first)	1057	while (expect_true (cctx_first))
942	{	1058	{
943	coro_cctx *cctx = cctx_first;	1059	coro_cctx *cctx = cctx_first;
944	cctx_first = cctx->next;	1060	cctx_first = cctx->next;
945	--cctx_idle;	1061	--cctx_idle;
946		1062
947	if (!CCTX_EXPIRED (cctx))	1063	if (expect_true (!CCTX_EXPIRED (cctx)))
948	return cctx;	1064	return cctx;
949		1065
950	cctx_destroy (cctx);	1066	cctx_destroy (cctx);
951	}	1067	}
952		1068
…		…
955		1071
956	static void	1072	static void
957	cctx_put (coro_cctx *cctx)	1073	cctx_put (coro_cctx *cctx)
958	{	1074	{
959	/* free another cctx if overlimit */	1075	/* free another cctx if overlimit */
960	if (cctx_idle >= MAX_IDLE_CCTX)	1076	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
961	{	1077	{
962	coro_cctx *first = cctx_first;	1078	coro_cctx *first = cctx_first;
963	cctx_first = first->next;	1079	cctx_first = first->next;
964	--cctx_idle;	1080	--cctx_idle;
965		1081
…		…
971	cctx_first = cctx;	1087	cctx_first = cctx;
972	}	1088	}
973		1089
974	/ coroutine switching ***************************************************/	1090	/ coroutine switching ***************************************************/
975		1091
976	static void NOINLINE	1092	static void
977	transfer_check (pTHX_ struct coro prev, struct coro next)	1093	transfer_check (pTHX_ struct coro prev, struct coro next)
978	{	1094	{
979	if (prev != next)	1095	if (expect_true (prev != next))
980	{	1096	{
981	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1097	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
982	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1098	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
983		1099
984	if (next->flags & CF_RUNNING)	1100	if (expect_false (next->flags & CF_RUNNING))
985	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1101	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
986		1102
987	if (next->flags & CF_DESTROYED)	1103	if (expect_false (next->flags & CF_DESTROYED))
988	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1104	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
989		1105
		1106	if (
		1107	#if PERL_VERSION_ATLEAST (5,9,0)
		1108	expect_false (PL_parser)
		1109	#else
990	if (PL_lex_state != LEX_NOTPARSING)	1110	expect_false (PL_lex_state != LEX_NOTPARSING)
		1111	#endif
		1112	)
991	croak ("Coro::State::transfer called while parsing, but this is not supported");	1113	croak ("Coro::State::transfer called while parsing, but this is not supported");
992	}	1114	}
993	}	1115	}
994		1116
995	/* always use the TRANSFER macro */	1117	/* always use the TRANSFER macro */
…		…
997	transfer (pTHX_ struct coro prev, struct coro next)	1119	transfer (pTHX_ struct coro prev, struct coro next)
998	{	1120	{
999	dSTACKLEVEL;	1121	dSTACKLEVEL;
1000		1122
1001	/* sometimes transfer is only called to set idle_sp */	1123	/* sometimes transfer is only called to set idle_sp */
1002	if (!next)	1124	if (expect_false (!next))
1003	{	1125	{
1004	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1126	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1005	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1127	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1006	}	1128	}
1007	else if (prev != next)	1129	else if (expect_true (prev != next))
1008	{	1130	{
1009	coro_cctx *prev__cctx;	1131	coro_cctx *prev__cctx;
1010		1132
1011	if (prev->flags & CF_NEW)	1133	if (expect_false (prev->flags & CF_NEW))
1012	{	1134	{
1013	/* create a new empty context */	1135	/* create a new empty context */
1014	Newz (0, prev->cctx, 1, coro_cctx);	1136	Newz (0, prev->cctx, 1, coro_cctx);
1015	prev->flags &= ~CF_NEW;	1137	prev->flags &= ~CF_NEW;
1016	prev->flags \|= CF_RUNNING;	1138	prev->flags \|= CF_RUNNING;
…		…
1019	prev->flags &= ~CF_RUNNING;	1141	prev->flags &= ~CF_RUNNING;
1020	next->flags \|= CF_RUNNING;	1142	next->flags \|= CF_RUNNING;
1021		1143
1022	LOCK;	1144	LOCK;
1023		1145
		1146	/* first get rid of the old state */
		1147	save_perl (aTHX_ prev);
		1148
1024	if (next->flags & CF_NEW)	1149	if (expect_false (next->flags & CF_NEW))
1025	{	1150	{
1026	/* need to start coroutine */	1151	/* need to start coroutine */
1027	next->flags &= ~CF_NEW;	1152	next->flags &= ~CF_NEW;
1028	/* first get rid of the old state */
1029	save_perl (aTHX_ prev);
1030	/* setup coroutine call */	1153	/* setup coroutine call */
1031	coro_setup (aTHX_ next);	1154	coro_setup (aTHX_ next);
1032	}	1155	}
1033	else	1156	else
1034	{
1035	/* coroutine already started */
1036	save_perl (aTHX_ prev);
1037	load_perl (aTHX_ next);	1157	load_perl (aTHX_ next);
1038	}
1039		1158
1040	prev__cctx = prev->cctx;	1159	prev__cctx = prev->cctx;
1041		1160
1042	/* possibly "free" the cctx */	1161	/* possibly "free" the cctx */
1043	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1162	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1044	{	1163	{
1045	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1164	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1046	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1165	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1047		1166
1048	prev->cctx = 0;	1167	prev->cctx = 0;
1049		1168
1050	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1169	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1170	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1051	if (CCTX_EXPIRED (prev__cctx))	1171	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1172	if (!next->cctx)
1052	next->cctx = cctx_get (aTHX);	1173	next->cctx = cctx_get (aTHX);
1053		1174
1054	cctx_put (prev__cctx);	1175	cctx_put (prev__cctx);
1055	}	1176	}
1056		1177
1057	++next->usecount;	1178	++next->usecount;
1058		1179
1059	if (!next->cctx)	1180	if (expect_true (!next->cctx))
1060	next->cctx = cctx_get (aTHX);	1181	next->cctx = cctx_get (aTHX);
1061		1182
1062	if (prev__cctx != next->cctx)	1183	if (expect_false (prev__cctx != next->cctx))
1063	{	1184	{
1064	prev__cctx->top_env = PL_top_env;	1185	prev__cctx->top_env = PL_top_env;
1065	PL_top_env = next->cctx->top_env;	1186	PL_top_env = next->cctx->top_env;
1066	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1187	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1067	}	1188	}
1068		1189
1069	free_coro_mortal (aTHX);	1190	free_coro_mortal (aTHX);
1070	UNLOCK;	1191	UNLOCK;
		1192
		1193	if (expect_false (prev->throw \|\| next->throw))
		1194	{
		1195	struct coro *coro = SvSTATE (coro_current);
		1196
		1197	if (coro->throw)
		1198	{
		1199	SV *exception = coro->throw;
		1200	coro->throw = 0;
		1201	sv_setsv (ERRSV, exception);
		1202	croak (0);
		1203	}
		1204	}
1071	}	1205	}
1072	}	1206	}
1073		1207
1074	struct transfer_args	1208	struct transfer_args
1075	{	1209	{
…		…
1110	save_perl (aTHX_ &temp);	1244	save_perl (aTHX_ &temp);
1111	load_perl (aTHX_ coro);	1245	load_perl (aTHX_ coro);
1112		1246
1113	coro_destroy (aTHX_ coro);	1247	coro_destroy (aTHX_ coro);
1114		1248
1115	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1249	load_perl (aTHX_ &temp);
1116		1250
1117	coro->mainstack = 0;	1251	coro->slot = 0;
1118	}	1252	}
1119		1253
1120	cctx_destroy (coro->cctx);	1254	cctx_destroy (coro->cctx);
1121	SvREFCNT_dec (coro->args);	1255	SvREFCNT_dec (coro->args);
1122		1256
…		…
1247	{	1381	{
1248	LOCK;	1382	LOCK;
1249	next_sv = coro_deq (aTHX_ PRIO_MIN);	1383	next_sv = coro_deq (aTHX_ PRIO_MIN);
1250		1384
1251	/* nothing to schedule: call the idle handler */	1385	/* nothing to schedule: call the idle handler */
1252	if (!next_sv)	1386	if (expect_false (!next_sv))
1253	{	1387	{
1254	dSP;	1388	dSP;
1255	UNLOCK;	1389	UNLOCK;
1256		1390
1257	ENTER;	1391	ENTER;
…		…
1267	}	1401	}
1268		1402
1269	ta->next = SvSTATE (next_sv);	1403	ta->next = SvSTATE (next_sv);
1270		1404
1271	/* cannot transfer to destroyed coros, skip and look for next */	1405	/* cannot transfer to destroyed coros, skip and look for next */
1272	if (ta->next->flags & CF_DESTROYED)	1406	if (expect_false (ta->next->flags & CF_DESTROYED))
1273	{	1407	{
1274	UNLOCK;	1408	UNLOCK;
1275	SvREFCNT_dec (next_sv);	1409	SvREFCNT_dec (next_sv);
1276	/* coro_nready is already taken care of by destroy */	1410	/* coro_nready is already taken care of by destroy */
1277	continue;	1411	continue;
…		…
1333	dTHX;	1467	dTHX;
1334	struct transfer_args ta;	1468	struct transfer_args ta;
1335		1469
1336	prepare_cede (aTHX_ &ta);	1470	prepare_cede (aTHX_ &ta);
1337		1471
1338	if (ta.prev != ta.next)	1472	if (expect_true (ta.prev != ta.next))
1339	{	1473	{
1340	TRANSFER (ta);	1474	TRANSFER (ta);
1341	return 1;	1475	return 1;
1342	}	1476	}
1343	else	1477	else
…		…
1379	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1513	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1380		1514
1381	if (coro->flags & CF_RUNNING)	1515	if (coro->flags & CF_RUNNING)
1382	PL_runops = RUNOPS_DEFAULT;	1516	PL_runops = RUNOPS_DEFAULT;
1383	else	1517	else
1384	coro->runops = RUNOPS_DEFAULT;	1518	coro->slot->runops = RUNOPS_DEFAULT;
1385	}	1519	}
1386	}	1520	}
1387		1521
1388	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1522	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1389		1523
…		…
1396	#endif	1530	#endif
1397	BOOT_PAGESIZE;	1531	BOOT_PAGESIZE;
1398		1532
1399	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1533	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1400	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1534	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1535
		1536	orig_sigelem_get = PL_vtbl_sigelem.svt_get;
		1537	PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1538
		1539	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1540	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1541	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1401		1542
1402	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1543	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1403		1544
1404	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1545	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1405	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1546	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1411		1552
1412	while (main_top_env->je_prev)	1553	while (main_top_env->je_prev)
1413	main_top_env = main_top_env->je_prev;	1554	main_top_env = main_top_env->je_prev;
1414		1555
1415	coroapi.ver = CORO_API_VERSION;	1556	coroapi.ver = CORO_API_VERSION;
		1557	coroapi.rev = CORO_API_REVISION;
1416	coroapi.transfer = api_transfer;	1558	coroapi.transfer = api_transfer;
1417		1559
1418	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1560	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1419	}	1561	}
1420		1562
1421	SV *	1563	SV *
1422	new (char *klass, ...)	1564	new (char *klass, ...)
1423	CODE:	1565	CODE:
1424	{	1566	{
1425	struct coro *coro;	1567	struct coro *coro;
		1568	MAGIC *mg;
1426	HV *hv;	1569	HV *hv;
1427	int i;	1570	int i;
1428		1571
1429	Newz (0, coro, 1, struct coro);	1572	Newz (0, coro, 1, struct coro);
1430	coro->args = newAV ();	1573	coro->args = newAV ();
…		…
1433	if (coro_first) coro_first->prev = coro;	1576	if (coro_first) coro_first->prev = coro;
1434	coro->next = coro_first;	1577	coro->next = coro_first;
1435	coro_first = coro;	1578	coro_first = coro;
1436		1579
1437	coro->hv = hv = newHV ();	1580	coro->hv = hv = newHV ();
1438	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1581	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1582	mg->mg_flags \|= MGf_DUP;
1439	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1583	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1440		1584
1441	av_extend (coro->args, items - 1);	1585	av_extend (coro->args, items - 1);
1442	for (i = 1; i < items; i++)	1586	for (i = 1; i < items; i++)
1443	av_push (coro->args, newSVsv (ST (i)));	1587	av_push (coro->args, newSVsv (ST (i)));
…		…
1487		1631
1488	break;	1632	break;
1489	}	1633	}
1490		1634
1491	BARRIER;	1635	BARRIER;
		1636	PUTBACK;
1492	TRANSFER (ta);	1637	TRANSFER (ta);
1493		1638	SPAGAIN; /* might be the sp of a different coroutine now */
1494	if (GIMME_V != G_VOID && ta.next != ta.prev)	1639	/* be extra careful not to ever do anything after TRANSFER */
1495	XSRETURN_YES;
1496	}	1640	}
1497		1641
1498	bool	1642	bool
1499	_destroy (SV *coro_sv)	1643	_destroy (SV *coro_sv)
1500	CODE:	1644	CODE:
…		…
1549	CODE:	1693	CODE:
1550	{	1694	{
1551	if (coro->mainstack)	1695	if (coro->mainstack)
1552	{	1696	{
1553	struct coro temp;	1697	struct coro temp;
1554	Zero (&temp, 1, struct coro);
1555		1698
1556	if (!(coro->flags & CF_RUNNING))	1699	if (!(coro->flags & CF_RUNNING))
1557	{	1700	{
1558	save_perl (aTHX_ &temp);	1701	save_perl (aTHX_ &temp);
1559	load_perl (aTHX_ coro);	1702	load_perl (aTHX_ coro);
…		…
1561		1704
1562	{	1705	{
1563	dSP;	1706	dSP;
1564	ENTER;	1707	ENTER;
1565	SAVETMPS;	1708	SAVETMPS;
		1709	PUTBACK;
		1710	PUSHSTACK;
1566	PUSHMARK (SP);	1711	PUSHMARK (SP);
1567	PUTBACK;	1712
1568	if (ix)	1713	if (ix)
1569	eval_sv (coderef, 0);	1714	eval_sv (coderef, 0);
1570	else	1715	else
1571	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1716	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1717
		1718	POPSTACK;
1572	SPAGAIN;	1719	SPAGAIN;
1573	FREETMPS;	1720	FREETMPS;
1574	LEAVE;	1721	LEAVE;
1575	PUTBACK;	1722	PUTBACK;
1576	}	1723	}
…		…
1634		1781
1635	BOOT:	1782	BOOT:
1636	{	1783	{
1637	int i;	1784	int i;
1638		1785
1639	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1786	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1640	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1787	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1641	av_async_pool = get_av ("Coro::async_pool", TRUE);	1788	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1642		1789
1643	coro_current = get_sv ("Coro::current", FALSE);	1790	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1644	SvREADONLY_on (coro_current);	1791	SvREADONLY_on (coro_current);
1645		1792
1646	coro_stash = gv_stashpv ("Coro", TRUE);	1793	coro_stash = gv_stashpv ("Coro", TRUE);
1647		1794
1648	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1795	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1649	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1796	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1650	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1797	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1651	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1798	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1654		1801
1655	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1802	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1656	coro_ready[i] = newAV ();	1803	coro_ready[i] = newAV ();
1657		1804
1658	{	1805	{
1659	SV *sv = perl_get_sv("Coro::API", 1);	1806	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1807	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1660		1808
1661	coroapi.schedule = api_schedule;	1809	coroapi.schedule = api_schedule;
1662	coroapi.cede = api_cede;	1810	coroapi.cede = api_cede;
1663	coroapi.cede_notself = api_cede_notself;	1811	coroapi.cede_notself = api_cede_notself;
1664	coroapi.ready = api_ready;	1812	coroapi.ready = api_ready;
…		…
1715	CODE:	1863	CODE:
1716	RETVAL = coro_nready;	1864	RETVAL = coro_nready;
1717	OUTPUT:	1865	OUTPUT:
1718	RETVAL	1866	RETVAL
1719		1867
		1868	void
		1869	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1870	PROTOTYPE: $;$
		1871	CODE:
		1872	SvREFCNT_dec (self->throw);
		1873	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1874
1720	# for async_pool speedup	1875	# for async_pool speedup
1721	void	1876	void
1722	_pool_1 (SV *cb)	1877	_pool_1 (SV *cb)
1723	CODE:	1878	CODE:
1724	{	1879	{
…		…
1728	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1883	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1729	AV *invoke_av;	1884	AV *invoke_av;
1730	int i, len;	1885	int i, len;
1731		1886
1732	if (!invoke)	1887	if (!invoke)
1733	croak ("\3terminate\2\n");	1888	croak ("\3async_pool terminate\2\n");
1734		1889
1735	SvREFCNT_dec (coro->saved_deffh);	1890	SvREFCNT_dec (coro->saved_deffh);
1736	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1891	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1737		1892
1738	hv_store (hv, "desc", sizeof ("desc") - 1,	1893	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1764	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1919	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1765	coro->saved_deffh = 0;	1920	coro->saved_deffh = 0;
1766		1921
1767	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1922	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1768	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1923	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1769	croak ("\3terminate\2\n");	1924	croak ("\3async_pool terminate\2\n");
1770		1925
1771	av_clear (GvAV (PL_defgv));	1926	av_clear (GvAV (PL_defgv));
1772	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1927	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1773	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1928	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1774		1929

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Comparing Coro/Coro/State.xs (file contents): Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC vs. Revision 1.214 by root, Sat Oct 13 23:19:10 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.193 by root, Fri Oct 5 23:38:40 2007 UTC vs.
Revision 1.214 by root, Sat Oct 13 23:19:10 2007 UTC