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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
77	/* 5.8.7 */	104	/* 5.8.7 */
78	#ifndef SvRV_set	105	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
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	107	#endif
89		108
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
92	#endif	111	#endif
…		…
123	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
124		143
125	#include "CoroAPI.h"	144	#include "CoroAPI.h"
126		145
127	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
128	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
129	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
130	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
131	#else	155	#else
		156
132	# define LOCK (void)0	157	# define LOCK (void)0
133	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
134	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
135		166
136	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
137	struct io_state	168	struct io_state
138	{	169	{
		170	AV *res;
139	int errorno;	171	int errorno;
140	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
141	int laststatval;	173	int laststatval;
142	Stat_t statcache;	174	Stat_t statcache;
143	};	175	};
144		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
145	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
150	static SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
		186	static volatile char next_has_throw; /* speedup flag for next->throw check */
151		187
152	static GV irsgv; / $/ */	188	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	189	static GV stdoutgv; / STDOUT /
154		190	static SV *rv_diehook;
		191	static SV *rv_warnhook;
155	static HV hv_sig; / %SIG */	192	static HV hv_sig; / %SIG */
156	static SV *sv_diehook;
157	static SV *sv_warnhook;
158		193
159	/* async_pool helper stuff */	194	/* async_pool helper stuff */
160	static SV *sv_pool_rss;	195	static SV *sv_pool_rss;
161	static SV *sv_pool_size;	196	static SV *sv_pool_size;
162	static AV *av_async_pool;	197	static AV *av_async_pool;
		198
		199	/* Coro::AnyEvent */
		200	static SV *sv_activity;
163		201
164	static struct coro_cctx *cctx_first;	202	static struct coro_cctx *cctx_first;
165	static int cctx_count, cctx_idle;	203	static int cctx_count, cctx_idle;
166		204
167	enum {	205	enum {
…		…
185	void idle_sp; / sp of top-level transfer/schedule/cede call */	223	void idle_sp; / sp of top-level transfer/schedule/cede call */
186	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	224	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
187	JMPENV *top_env;	225	JMPENV *top_env;
188	coro_context cctx;	226	coro_context cctx;
189		227
		228	U32 gen;
190	#if CORO_USE_VALGRIND	229	#if CORO_USE_VALGRIND
191	int valgrind_id;	230	int valgrind_id;
192	#endif	231	#endif
193	unsigned char flags;	232	unsigned char flags;
194	} coro_cctx;	233	} coro_cctx;
…		…
253	#define PRIO_IDLE -3	292	#define PRIO_IDLE -3
254	#define PRIO_MIN -4	293	#define PRIO_MIN -4
255		294
256	/* for Coro.pm */	295	/* for Coro.pm */
257	static SV *coro_current;	296	static SV *coro_current;
		297	static SV *coro_readyhook;
258	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	298	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
259	static int coro_nready;	299	static int coro_nready;
260	static struct coro *coro_first;	300	static struct coro *coro_first;
261		301
262	/ lowlevel stuff ********************************************************/	302	/ lowlevel stuff ********************************************************/
263		303
264	static SV *	304	static SV *
265	coro_get_sv (const char *name, int create)	305	coro_get_sv (pTHX_ const char *name, int create)
266	{	306	{
267	#if PERL_VERSION_ATLEAST (5,9,0)	307	#if PERL_VERSION_ATLEAST (5,10,0)
268	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	308	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
269	get_sv (name, create);	309	get_sv (name, create);
270	#endif	310	#endif
271	return get_sv (name, create);	311	return get_sv (name, create);
272	}	312	}
273		313
274	static AV *	314	static AV *
275	coro_get_av (const char *name, int create)	315	coro_get_av (pTHX_ const char *name, int create)
276	{	316	{
277	#if PERL_VERSION_ATLEAST (5,9,0)	317	#if PERL_VERSION_ATLEAST (5,10,0)
278	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	318	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
279	get_av (name, create);	319	get_av (name, create);
280	#endif	320	#endif
281	return get_av (name, create);	321	return get_av (name, create);
282	}	322	}
283		323
284	static HV *	324	static HV *
285	coro_get_hv (const char *name, int create)	325	coro_get_hv (pTHX_ const char *name, int create)
286	{	326	{
287	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	328	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
289	get_hv (name, create);	329	get_hv (name, create);
290	#endif	330	#endif
291	return get_hv (name, create);	331	return get_hv (name, create);
292	}	332	}
…		…
297	AV *padlist = CvPADLIST (cv);	337	AV *padlist = CvPADLIST (cv);
298	AV newpadlist, newpad;	338	AV newpadlist, newpad;
299		339
300	newpadlist = newAV ();	340	newpadlist = newAV ();
301	AvREAL_off (newpadlist);	341	AvREAL_off (newpadlist);
302	#if PERL_VERSION_ATLEAST (5,9,0)	342	#if PERL_VERSION_ATLEAST (5,10,0)
303	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	343	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304	#else	344	#else
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	345	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306	#endif	346	#endif
307	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	347	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
308	--AvFILLp (padlist);	348	--AvFILLp (padlist);
309		349
310	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	350	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
311	av_store (newpadlist, 1, (SV *)newpad);	351	av_store (newpadlist, 1, (SV *)newpad);
312		352
313	return newpadlist;	353	return newpadlist;
314	}	354	}
315		355
…		…
345		385
346	/* casting is fun. */	386	/* casting is fun. */
347	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	387	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
348	free_padlist (aTHX_ padlist);	388	free_padlist (aTHX_ padlist);
349		389
350	SvREFCNT_dec (av);	390	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
351		391
352	return 0;	392	return 0;
353	}	393	}
354		394
355	#define PERL_MAGIC_coro PERL_MAGIC_ext	395	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		396	#define CORO_MAGIC_type_state PERL_MAGIC_ext
356		397
357	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	398	static MGVTBL coro_cv_vtbl = {
		399	0, 0, 0, 0,
		400	coro_cv_free
		401	};
358		402
359	#define CORO_MAGIC(cv) \	403	#define CORO_MAGIC(sv, type) \
360	SvMAGIC (cv) \	404	SvMAGIC (sv) \
361	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	405	? SvMAGIC (sv)->mg_type == type \
362	? SvMAGIC (cv) \	406	? SvMAGIC (sv) \
363	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	407	: mg_find (sv, type) \
364	: 0	408	: 0
		409
		410	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		411	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365		412
366	static struct coro *	413	static struct coro *
367	SvSTATE_ (pTHX_ SV *coro)	414	SvSTATE_ (pTHX_ SV *coro)
368	{	415	{
369	HV *stash;	416	HV *stash;
…		…
381	/* very slow, but rare, check */	428	/* very slow, but rare, check */
382	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	429	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383	croak ("Coro::State object required");	430	croak ("Coro::State object required");
384	}	431	}
385		432
386	mg = CORO_MAGIC (coro);	433	mg = CORO_MAGIC_state (coro);
387	return (struct coro *)mg->mg_ptr;	434	return (struct coro *)mg->mg_ptr;
388	}	435	}
389		436
390	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	437	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391		438
392	/* the next two functions merely cache the padlists */	439	/* the next two functions merely cache the padlists */
393	static void	440	static void
394	get_padlist (pTHX_ CV *cv)	441	get_padlist (pTHX_ CV *cv)
395	{	442	{
396	MAGIC *mg = CORO_MAGIC (cv);	443	MAGIC *mg = CORO_MAGIC_cv (cv);
397	AV *av;	444	AV *av;
398		445
399	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	446	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	447	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401	else	448	else
402	{	449	{
403	#if CORO_PREFER_PERL_FUNCTIONS	450	#if CORO_PREFER_PERL_FUNCTIONS
404	/* this is probably cleaner, but also slower? */	451	/* this is probably cleaner? but also slower! */
		452	/* in practise, it seems to be less stable */
405	CV *cp = Perl_cv_clone (cv);	453	CV *cp = Perl_cv_clone (cv);
406	CvPADLIST (cv) = CvPADLIST (cp);	454	CvPADLIST (cv) = CvPADLIST (cp);
407	CvPADLIST (cp) = 0;	455	CvPADLIST (cp) = 0;
408	SvREFCNT_dec (cp);	456	SvREFCNT_dec (cp);
409	#else	457	#else
…		…
413	}	461	}
414		462
415	static void	463	static void
416	put_padlist (pTHX_ CV *cv)	464	put_padlist (pTHX_ CV *cv)
417	{	465	{
418	MAGIC *mg = CORO_MAGIC (cv);	466	MAGIC *mg = CORO_MAGIC_cv (cv);
419	AV *av;	467	AV *av;
420		468
421	if (expect_false (!mg))	469	if (expect_false (!mg))
422	{	470	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
423	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
424	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
425	mg->mg_virtual = &vtbl_coro;
426	mg->mg_obj = (SV *)newAV ();
427	}
428		471
429	av = (AV *)mg->mg_obj;	472	av = (AV *)mg->mg_obj;
430		473
431	if (expect_false (AvFILLp (av) >= AvMAX (av)))	474	if (expect_false (AvFILLp (av) >= AvMAX (av)))
432	av_extend (av, AvMAX (av) + 1);	475	av_extend (av, AvMAX (av) + 1);
…		…
450	GvSV (irsgv) = slot->irsgv;	493	GvSV (irsgv) = slot->irsgv;
451		494
452	#define VAR(name,type) PL_ ## name = slot->name;	495	#define VAR(name,type) PL_ ## name = slot->name;
453	# include "state.h"	496	# include "state.h"
454	#undef VAR	497	#undef VAR
455
456	/hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);/
457	/hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);/
458		498
459	{	499	{
460	dSP;	500	dSP;
461		501
462	CV *cv;	502	CV *cv;
…		…
501		541
502	if (expect_true (CvDEPTH (cv)))	542	if (expect_true (CvDEPTH (cv)))
503	{	543	{
504	EXTEND (SP, 3);	544	EXTEND (SP, 3);
505	PUSHs ((SV *)CvPADLIST (cv));	545	PUSHs ((SV *)CvPADLIST (cv));
506	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	546	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
507	PUSHs ((SV *)cv);	547	PUSHs ((SV *)cv);
508		548
509	CvDEPTH (cv) = 0;	549	CvDEPTH (cv) = 0;
510	get_padlist (aTHX_ cv);	550	get_padlist (aTHX_ cv);
511	}	551	}
…		…
591		631
592	New(54,PL_savestack,24,ANY);	632	New(54,PL_savestack,24,ANY);
593	PL_savestack_ix = 0;	633	PL_savestack_ix = 0;
594	PL_savestack_max = 24;	634	PL_savestack_max = 24;
595		635
596	#if !PERL_VERSION_ATLEAST (5,9,0)	636	#if !PERL_VERSION_ATLEAST (5,10,0)
597	New(54,PL_retstack,4,OP*);	637	New(54,PL_retstack,4,OP*);
598	PL_retstack_ix = 0;	638	PL_retstack_ix = 0;
599	PL_retstack_max = 4;	639	PL_retstack_max = 4;
600	#endif	640	#endif
601	}	641	}
…		…
603		643
604	/*	644	/*
605	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
606	*/	646	*/
607	static void	647	static void
608	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
609	{	649	{
610	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
611	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
612		652
613	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
624		664
625	Safefree (PL_tmps_stack);	665	Safefree (PL_tmps_stack);
626	Safefree (PL_markstack);	666	Safefree (PL_markstack);
627	Safefree (PL_scopestack);	667	Safefree (PL_scopestack);
628	Safefree (PL_savestack);	668	Safefree (PL_savestack);
629	#if !PERL_VERSION_ATLEAST (5,9,0)	669	#if !PERL_VERSION_ATLEAST (5,10,0)
630	Safefree (PL_retstack);	670	Safefree (PL_retstack);
631	#endif	671	#endif
632	}	672	}
633		673
634	static size_t	674	static size_t
…		…
650	#undef VAR	690	#undef VAR
651	}	691	}
652	else	692	else
653	slot = coro->slot;	693	slot = coro->slot;
654		694
		695	if (slot)
		696	{
655	rss += sizeof (slot->curstackinfo);	697	rss += sizeof (slot->curstackinfo);
656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	698	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	699	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
658	rss += slot->tmps_max * sizeof (SV *);	700	rss += slot->tmps_max * sizeof (SV *);
659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	701	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660	rss += slot->scopestack_max * sizeof (I32);	702	rss += slot->scopestack_max * sizeof (I32);
661	rss += slot->savestack_max * sizeof (ANY);	703	rss += slot->savestack_max * sizeof (ANY);
662		704
663	#if !PERL_VERSION_ATLEAST (5,9,0)	705	#if !PERL_VERSION_ATLEAST (5,10,0)
664	rss += slot->retstack_max * sizeof (OP *);	706	rss += slot->retstack_max * sizeof (OP *);
665	#endif	707	#endif
		708	}
666	}	709	}
667		710
668	return rss;	711	return rss;
669	}	712	}
670		713
671	/ coroutine stack handling **********************************************/	714	/ coroutine stack handling **********************************************/
		715
		716	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		717	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		718	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		719
		720	/* apparently < 5.8.8 */
		721	#ifndef MgPV_nolen_const
		722	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		723	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		724	(const char*)(mg)->mg_ptr)
		725	#endif
		726
		727	/*
		728	* This overrides the default magic get method of %SIG elements.
		729	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		730	* and instead of tryign to save and restore the hash elements, we just provide
		731	* readback here.
		732	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		733	* not expecting this to actually change the hook. This is a potential problem
		734	* when a schedule happens then, but we ignore this.
		735	*/
		736	static int
		737	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		738	{
		739	const char *s = MgPV_nolen_const (mg);
		740
		741	if (*s == '_')
		742	{
		743	SV **svp = 0;
		744
		745	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		746	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		747
		748	if (svp)
		749	{
		750	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		751	return 0;
		752	}
		753	}
		754
		755	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		760	{
		761	const char *s = MgPV_nolen_const (mg);
		762
		763	if (*s == '_')
		764	{
		765	SV **svp = 0;
		766
		767	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		768	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		769
		770	if (svp)
		771	{
		772	SV old = svp;
		773	*svp = 0;
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		780	}
		781
		782	static int
		783	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		784	{
		785	const char *s = MgPV_nolen_const (mg);
		786
		787	if (*s == '_')
		788	{
		789	SV **svp = 0;
		790
		791	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		792	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		793
		794	if (svp)
		795	{
		796	SV old = svp;
		797	*svp = newSVsv (sv);
		798	SvREFCNT_dec (old);
		799	return 0;
		800	}
		801	}
		802
		803	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		804	}
672		805
673	static void	806	static void
674	coro_setup (pTHX_ struct coro *coro)	807	coro_setup (pTHX_ struct coro *coro)
675	{	808	{
676	/*	809	/*
…		…
685	PL_curpm = 0;	818	PL_curpm = 0;
686	PL_curpad = 0;	819	PL_curpad = 0;
687	PL_localizing = 0;	820	PL_localizing = 0;
688	PL_dirty = 0;	821	PL_dirty = 0;
689	PL_restartop = 0;	822	PL_restartop = 0;
		823	#if PERL_VERSION_ATLEAST (5,10,0)
		824	PL_parser = 0;
		825	#endif
		826
		827	/* recreate the die/warn hooks */
690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);	828	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
691	PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);	829	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692		830
693	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
694	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
695	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	834	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
697	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
699		837
700	{	838	{
701	dSP;	839	dSP;
702	LOGOP myop;	840	LOGOP myop;
703		841
…		…
720	*/	858	*/
721	ENTER;	859	ENTER;
722	}	860	}
723		861
724	static void	862	static void
725	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
726	{	864	{
727	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
728	{	866	{
729	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
730	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
752	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
753		891
754	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
755	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
756		894
757	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
758	}	896	}
759		897
760	static void	898	static void
761	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
762	{	900	{
…		…
799	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
800	: bot;	938	: bot;
801		939
802	av_extend (av, top - bot);	940	av_extend (av, top - bot);
803	while (bot < top)	941	while (bot < top)
804	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
805		943
806	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
807	ENTER;	945	ENTER;
808	SAVETMPS;	946	SAVETMPS;
809	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
847	SAVETMPS;	985	SAVETMPS;
848	EXTEND (SP, 3);	986	EXTEND (SP, 3);
849	PUSHMARK (SP);	987	PUSHMARK (SP);
850	PUSHs (&PL_sv_yes);	988	PUSHs (&PL_sv_yes);
851	PUSHs (fullname);	989	PUSHs (fullname);
852	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	990	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853	PUTBACK;	991	PUTBACK;
854	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	992	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
855	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	993	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
856	SPAGAIN;	994	SPAGAIN;
857	FREETMPS;	995	FREETMPS;
…		…
892	}	1030	}
893		1031
894	/* inject a fake call to Coro::State::_cctx_init into the execution */	1032	/* inject a fake call to Coro::State::_cctx_init into the execution */
895	/* _cctx_init should be careful, as it could be called at almost any time */	1033	/* _cctx_init should be careful, as it could be called at almost any time */
896	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
897	static void NOINLINE	1036	static void NOINLINE
898	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
899	{	1038	{
900	dSP;	1039	dSP;
901	LOGOP myop;	1040	LOGOP myop;
…		…
917	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
918	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
919	SPAGAIN;	1058	SPAGAIN;
920	}	1059	}
921		1060
		1061	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1062	static void
		1063	transfer_tail (void)
		1064	{
		1065	UNLOCK;
		1066
		1067	if (expect_false (next_has_throw))
		1068	{
		1069	struct coro *coro = SvSTATE (coro_current);
		1070
		1071	if (coro->throw)
		1072	{
		1073	SV *exception = coro->throw;
		1074	coro->throw = 0;
		1075	sv_setsv (ERRSV, exception);
		1076	croak (0);
		1077	}
		1078	}
		1079	}
		1080
922	/*	1081	/*
923	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
924	*/	1083	*/
925	static void	1084	static void
926	cctx_run (void *arg)	1085	cctx_run (void *arg)
927	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
928	dTHX;	1093	dTHX;
929		1094
930	/* cctx_run is the alternative tail of transfer(), so unlock here. */
931	UNLOCK;
932
933	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
934	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
935		1097
936	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
937	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
938		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
939	/* somebody or something will hit me for both perl_run and PL_restartop */	1104	/* somebody or something will hit me for both perl_run and PL_restartop */
940	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
941	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
942		1107
943	/*	1108	/*
944	* If perl-run returns we assume exit() was being called or the coro	1109	* If perl-run returns we assume exit() was being called or the coro
945	* fell off the end, which seems to be the only valid (non-bug)	1110	* fell off the end, which seems to be the only valid (non-bug)
946	* reason for perl_run to return. We try to exit by jumping to the	1111	* reason for perl_run to return. We try to exit by jumping to the
947	* bootstrap-time "top" top_env, as we cannot restore the "main"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
948	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
949	*/	1114	*/
950	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
951	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1116	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1117	}
952	}	1118	}
953		1119
954	static coro_cctx *	1120	static coro_cctx *
955	cctx_new ()	1121	cctx_new ()
956	{	1122	{
957	coro_cctx *cctx;	1123	coro_cctx *cctx;
		1124
		1125	++cctx_count;
		1126	New (0, cctx, 1, coro_cctx);
		1127
		1128	cctx->gen = cctx_gen;
		1129	cctx->flags = 0;
		1130	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel */
		1131
		1132	return cctx;
		1133	}
		1134
		1135	/* create a new cctx only suitable as source */
		1136	static coro_cctx *
		1137	cctx_new_empty ()
		1138	{
		1139	coro_cctx *cctx = cctx_new ();
		1140
		1141	cctx->sptr = 0;
		1142	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1143
		1144	return cctx;
		1145	}
		1146
		1147	/* create a new cctx suitable as destination/running a perl interpreter */
		1148	static coro_cctx *
		1149	cctx_new_run ()
		1150	{
		1151	coro_cctx *cctx = cctx_new ();
958	void *stack_start;	1152	void *stack_start;
959	size_t stack_size;	1153	size_t stack_size;
960		1154
961	++cctx_count;
962
963	Newz (0, cctx, 1, coro_cctx);
964
965	#if HAVE_MMAP	1155	#if HAVE_MMAP
966	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1156	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
967	/* mmap supposedly does allocate-on-write for us */	1157	/* mmap supposedly does allocate-on-write for us */
968	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1158	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
969		1159
970	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
971	{	1161	{
…		…
977	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
978	}	1168	}
979	else	1169	else
980	#endif	1170	#endif
981	{	1171	{
982	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
983	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
984		1174
985	if (!cctx->sptr)	1175	if (!cctx->sptr)
986	{	1176	{
987	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
988	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1003	{	1193	{
1004	if (!cctx)	1194	if (!cctx)
1005	return;	1195	return;
1006		1196
1007	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1008		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1009	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1010	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1011	#endif	1205	#endif
1012		1206
1013	#if HAVE_MMAP	1207	#if HAVE_MMAP
1014	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1015	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1016	else	1210	else
1017	#endif	1211	#endif
1018	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1019		1214
1020	Safefree (cctx);	1215	Safefree (cctx);
1021	}	1216	}
1022		1217
1023	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1024	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1219	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1025		1220
1026	static coro_cctx *	1221	static coro_cctx *
1027	cctx_get (pTHX)	1222	cctx_get (pTHX)
1028	{	1223	{
1029	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1036	return cctx;	1231	return cctx;
1037		1232
1038	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1039	}	1234	}
1040		1235
1041	return cctx_new ();	1236	return cctx_new_run ();
1042	}	1237	}
1043		1238
1044	static void	1239	static void
1045	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1046	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1047	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1048	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1049	{	1246	{
1050	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1051	cctx_first = first->next;	1248	cctx_first = first->next;
1052	--cctx_idle;	1249	--cctx_idle;
1053		1250
…		…
1073	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1270	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1074		1271
1075	if (expect_false (next->flags & CF_DESTROYED))	1272	if (expect_false (next->flags & CF_DESTROYED))
1076	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1273	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1077		1274
1078	if (
1079	#if PERL_VERSION_ATLEAST (5,9,0)	1275	#if !PERL_VERSION_ATLEAST (5,10,0)
1080	expect_false (PL_parser)
1081	#else
1082	expect_false (PL_lex_state != LEX_NOTPARSING)	1276	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083	#endif
1084	)
1085	croak ("Coro::State::transfer called while parsing, but this is not supported");	1277	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1278	#endif
1086	}	1279	}
1087	}	1280	}
1088		1281
1089	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1090	static void NOINLINE	1283	static void NOINLINE
1091	transfer (pTHX_ struct coro prev, struct coro next)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1092	{	1285	{
1093	dSTACKLEVEL;	1286	dSTACKLEVEL;
1094		1287
1095	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1096	if (expect_false (!next))	1289	if (expect_false (!next))
…		…
1102	{	1295	{
1103	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1104		1297
1105	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1106	{	1299	{
1107	/* create a new empty context */	1300	/* create a new empty/source context */
1108	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1109	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1110	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1111	}	1304	}
1112		1305
1113	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
1114	next->flags \|= CF_RUNNING;	1307	next->flags \|= CF_RUNNING;
1115		1308
1116	LOCK;	1309	LOCK;
		1310
		1311	/* first get rid of the old state */
		1312	save_perl (aTHX_ prev);
1117		1313
1118	if (expect_false (next->flags & CF_NEW))	1314	if (expect_false (next->flags & CF_NEW))
1119	{	1315	{
1120	/* need to start coroutine */	1316	/* need to start coroutine */
1121	next->flags &= ~CF_NEW;	1317	next->flags &= ~CF_NEW;
1122	/* first get rid of the old state */
1123	save_perl (aTHX_ prev);
1124	/* setup coroutine call */	1318	/* setup coroutine call */
1125	coro_setup (aTHX_ next);	1319	coro_setup (aTHX_ next);
1126	}	1320	}
1127	else	1321	else
1128	{
1129	/* coroutine already started */
1130	save_perl (aTHX_ prev);
1131	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1132	}
1133		1323
1134	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1135		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1136	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1137	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1329	if (expect_true (
		1330	prev__cctx->idle_sp == STACKLEVEL
		1331	&& !(prev__cctx->flags & CC_TRACE)
		1332	&& !force_cctx
		1333	))
1138	{	1334	{
1139	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1335	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1140	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1336	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1141		1337
1142	prev->cctx = 0;	1338	prev->cctx = 0;
…		…
1152		1348
1153	++next->usecount;	1349	++next->usecount;
1154		1350
1155	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1156	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
		1353
		1354	next_has_throw = !!next->throw;
1157		1355
1158	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1159	{	1357	{
1160	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1161	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1163	}	1361	}
1164		1362
1165	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1166	UNLOCK;	1364	UNLOCK;
1167		1365
1168	if (expect_false (prev->throw \|\| next->throw))	1366	transfer_tail ();
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	}
1180	}	1367	}
1181	}	1368	}
1182		1369
1183	struct transfer_args	1370	struct transfer_args
1184	{	1371	{
1185	struct coro prev, next;	1372	struct coro prev, next;
1186	};	1373	};
1187		1374
1188	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1375	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1189	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1376	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190		1377
1191	/ high level stuff ******************************************************/	1378	/ high level stuff ******************************************************/
1192		1379
1193	static int	1380	static int
…		…
1217	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1218		1405
1219	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1220	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1221		1408
1222	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1223		1410
1224	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1225		1412
1226	coro->slot = 0;	1413	coro->slot = 0;
1227	}	1414	}
…		…
1287	{	1474	{
1288	dTHX;	1475	dTHX;
1289	struct transfer_args ta;	1476	struct transfer_args ta;
1290		1477
1291	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1478	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292	TRANSFER (ta);	1479	TRANSFER (ta, 1);
1293	}	1480	}
1294		1481
1295	/ Coro ******************************************************************/	1482	/ Coro ******************************************************************/
1296		1483
1297	static void	1484	static void
…		…
1299	{	1486	{
1300	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1487	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301	}	1488	}
1302		1489
1303	static SV *	1490	static SV *
1304	coro_deq (pTHX_ int min_prio)	1491	coro_deq (pTHX)
1305	{	1492	{
1306	int prio = PRIO_MAX - PRIO_MIN;	1493	int prio;
1307		1494
1308	min_prio -= PRIO_MIN;
1309	if (min_prio < 0)
1310	min_prio = 0;
1311
1312	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1495	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313	if (AvFILLp (coro_ready [prio]) >= 0)	1496	if (AvFILLp (coro_ready [prio]) >= 0)
1314	return av_shift (coro_ready [prio]);	1497	return av_shift (coro_ready [prio]);
1315		1498
1316	return 0;	1499	return 0;
1317	}	1500	}
…		…
1319	static int	1502	static int
1320	api_ready (SV *coro_sv)	1503	api_ready (SV *coro_sv)
1321	{	1504	{
1322	dTHX;	1505	dTHX;
1323	struct coro *coro;	1506	struct coro *coro;
		1507	SV *sv_hook;
		1508	void (*xs_hook)(void);
1324		1509
1325	if (SvROK (coro_sv))	1510	if (SvROK (coro_sv))
1326	coro_sv = SvRV (coro_sv);	1511	coro_sv = SvRV (coro_sv);
1327		1512
1328	coro = SvSTATE (coro_sv);	1513	coro = SvSTATE (coro_sv);
…		…
1331	return 0;	1516	return 0;
1332		1517
1333	coro->flags \|= CF_READY;	1518	coro->flags \|= CF_READY;
1334		1519
1335	LOCK;	1520	LOCK;
		1521
		1522	sv_hook = coro_nready ? 0 : coro_readyhook;
		1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1524
1336	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1337	++coro_nready;	1526	++coro_nready;
		1527
1338	UNLOCK;	1528	UNLOCK;
		1529
		1530	if (sv_hook)
		1531	{
		1532	dSP;
		1533
		1534	ENTER;
		1535	SAVETMPS;
		1536
		1537	PUSHMARK (SP);
		1538	PUTBACK;
		1539	call_sv (sv_hook, G_DISCARD);
		1540	SPAGAIN;
		1541
		1542	FREETMPS;
		1543	LEAVE;
		1544	}
		1545
		1546	if (xs_hook)
		1547	xs_hook ();
1339		1548
1340	return 1;	1549	return 1;
1341	}	1550	}
1342		1551
1343	static int	1552	static int
…		…
1353	SV prev_sv, next_sv;	1562	SV prev_sv, next_sv;
1354		1563
1355	for (;;)	1564	for (;;)
1356	{	1565	{
1357	LOCK;	1566	LOCK;
1358	next_sv = coro_deq (aTHX_ PRIO_MIN);	1567	next_sv = coro_deq (aTHX);
1359		1568
1360	/* nothing to schedule: call the idle handler */	1569	/* nothing to schedule: call the idle handler */
1361	if (expect_false (!next_sv))	1570	if (expect_false (!next_sv))
1362	{	1571	{
1363	dSP;	1572	dSP;
…		…
1367	SAVETMPS;	1576	SAVETMPS;
1368		1577
1369	PUSHMARK (SP);	1578	PUSHMARK (SP);
1370	PUTBACK;	1579	PUTBACK;
1371	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1580	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1581	SPAGAIN;
1372		1582
1373	FREETMPS;	1583	FREETMPS;
1374	LEAVE;	1584	LEAVE;
1375	continue;	1585	continue;
1376	}	1586	}
…		…
1431	{	1641	{
1432	dTHX;	1642	dTHX;
1433	struct transfer_args ta;	1643	struct transfer_args ta;
1434		1644
1435	prepare_schedule (aTHX_ &ta);	1645	prepare_schedule (aTHX_ &ta);
1436	TRANSFER (ta);	1646	TRANSFER (ta, 1);
1437	}	1647	}
1438		1648
1439	static int	1649	static int
1440	api_cede (void)	1650	api_cede (void)
1441	{	1651	{
…		…
1444		1654
1445	prepare_cede (aTHX_ &ta);	1655	prepare_cede (aTHX_ &ta);
1446		1656
1447	if (expect_true (ta.prev != ta.next))	1657	if (expect_true (ta.prev != ta.next))
1448	{	1658	{
1449	TRANSFER (ta);	1659	TRANSFER (ta, 1);
1450	return 1;	1660	return 1;
1451	}	1661	}
1452	else	1662	else
1453	return 0;	1663	return 0;
1454	}	1664	}
…		…
1459	dTHX;	1669	dTHX;
1460	struct transfer_args ta;	1670	struct transfer_args ta;
1461		1671
1462	if (prepare_cede_notself (aTHX_ &ta))	1672	if (prepare_cede_notself (aTHX_ &ta))
1463	{	1673	{
1464	TRANSFER (ta);	1674	TRANSFER (ta, 1);
1465	return 1;	1675	return 1;
1466	}	1676	}
1467	else	1677	else
1468	return 0;	1678	return 0;
1469	}	1679	}
…		…
1475	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1476		1686
1477	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1478	{	1688	{
1479	if (!coro->cctx)	1689	if (!coro->cctx)
1480	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1481	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1482	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1483		1693
1484	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1485	}	1695	}
…		…
1492	else	1702	else
1493	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1494	}	1704	}
1495	}	1705	}
1496		1706
		1707	#if 0
		1708	static int
		1709	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1710	{
		1711	AV *padlist;
		1712	AV av = (AV )mg->mg_obj;
		1713
		1714	abort ();
		1715
		1716	return 0;
		1717	}
		1718
		1719	static MGVTBL coro_gensub_vtbl = {
		1720	0, 0, 0, 0,
		1721	coro_gensub_free
		1722	};
		1723	#endif
		1724
		1725	/*****************************************************************************/
		1726	/* PerlIO::cede */
		1727
		1728	typedef struct
		1729	{
		1730	PerlIOBuf base;
		1731	NV next, every;
		1732	} PerlIOCede;
		1733
		1734	static IV
		1735	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1736	{
		1737	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1738
		1739	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1740	self->next = nvtime () + self->every;
		1741
		1742	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1743	}
		1744
		1745	static SV *
		1746	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1747	{
		1748	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1749
		1750	return newSVnv (self->every);
		1751	}
		1752
		1753	static IV
		1754	PerlIOCede_flush (pTHX_ PerlIO *f)
		1755	{
		1756	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1757	double now = nvtime ();
		1758
		1759	if (now >= self->next)
		1760	{
		1761	api_cede ();
		1762	self->next = now + self->every;
		1763	}
		1764
		1765	return PerlIOBuf_flush (aTHX_ f);
		1766	}
		1767
		1768	static PerlIO_funcs PerlIO_cede =
		1769	{
		1770	sizeof(PerlIO_funcs),
		1771	"cede",
		1772	sizeof(PerlIOCede),
		1773	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1774	PerlIOCede_pushed,
		1775	PerlIOBuf_popped,
		1776	PerlIOBuf_open,
		1777	PerlIOBase_binmode,
		1778	PerlIOCede_getarg,
		1779	PerlIOBase_fileno,
		1780	PerlIOBuf_dup,
		1781	PerlIOBuf_read,
		1782	PerlIOBuf_unread,
		1783	PerlIOBuf_write,
		1784	PerlIOBuf_seek,
		1785	PerlIOBuf_tell,
		1786	PerlIOBuf_close,
		1787	PerlIOCede_flush,
		1788	PerlIOBuf_fill,
		1789	PerlIOBase_eof,
		1790	PerlIOBase_error,
		1791	PerlIOBase_clearerr,
		1792	PerlIOBase_setlinebuf,
		1793	PerlIOBuf_get_base,
		1794	PerlIOBuf_bufsiz,
		1795	PerlIOBuf_get_ptr,
		1796	PerlIOBuf_get_cnt,
		1797	PerlIOBuf_set_ptrcnt,
		1798	};
		1799
		1800
1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1498		1802
1499	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1500		1804
1501	BOOT:	1805	BOOT:
1502	{	1806	{
1503	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1504	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1505	#endif	1812	#endif
1506	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1507		1814
1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1510		1817
		1818	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1819	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1820	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1821
1511	hv_sig = coro_get_hv ("SIG", TRUE);	1822	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1823	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1824	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
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);
1517		1825
1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1826	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519		1827
1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1828	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1829	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1526	main_top_env = PL_top_env;	1834	main_top_env = PL_top_env;
1527		1835
1528	while (main_top_env->je_prev)	1836	while (main_top_env->je_prev)
1529	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1530		1838
1531	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1532	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1533	coroapi.transfer = api_transfer;	1841	coroapi.transfer = api_transfer;
		1842
		1843	{
		1844	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1845
		1846	if (!svp) croak ("Time::HiRes is required");
		1847	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1848
		1849	nvtime = INT2PTR (double ()(), SvIV (svp));
		1850	}
1534		1851
1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1536	}	1853	}
1537		1854
1538	SV *	1855	SV *
1539	new (char *klass, ...)	1856	new (char *klass, ...)
1540	CODE:	1857	CODE:
1541	{	1858	{
1542	struct coro *coro;	1859	struct coro *coro;
		1860	MAGIC *mg;
1543	HV *hv;	1861	HV *hv;
1544	int i;	1862	int i;
1545		1863
1546	Newz (0, coro, 1, struct coro);	1864	Newz (0, coro, 1, struct coro);
1547	coro->args = newAV ();	1865	coro->args = newAV ();
…		…
1550	if (coro_first) coro_first->prev = coro;	1868	if (coro_first) coro_first->prev = coro;
1551	coro->next = coro_first;	1869	coro->next = coro_first;
1552	coro_first = coro;	1870	coro_first = coro;
1553		1871
1554	coro->hv = hv = newHV ();	1872	coro->hv = hv = newHV ();
1555	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1873	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1874	mg->mg_flags \|= MGf_DUP;
1556	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1875	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557		1876
1558	av_extend (coro->args, items - 1);	1877	av_extend (coro->args, items - 1);
1559	for (i = 1; i < items; i++)	1878	for (i = 1; i < items; i++)
1560	av_push (coro->args, newSVsv (ST (i)));	1879	av_push (coro->args, newSVsv (ST (i)));
…		…
1574	Coro::cede_notself = 4	1893	Coro::cede_notself = 4
1575	CODE:	1894	CODE:
1576	{	1895	{
1577	struct transfer_args ta;	1896	struct transfer_args ta;
1578		1897
		1898	PUTBACK;
1579	switch (ix)	1899	switch (ix)
1580	{	1900	{
1581	case 0:	1901	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1902	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1903	ta.next = 0;
1584	break;	1904	break;
1585		1905
1586	case 1:	1906	case 1:
1587	if (items != 2)	1907	if (items != 2)
1588	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1908	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1589		1909
1590	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1591	break;	1911	break;
1592		1912
1593	case 2:	1913	case 2:
…		…
1602	if (!prepare_cede_notself (aTHX_ &ta))	1922	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1923	XSRETURN_EMPTY;
1604		1924
1605	break;	1925	break;
1606	}	1926	}
		1927	SPAGAIN;
1607		1928
1608	BARRIER;	1929	BARRIER;
1609	PUTBACK;	1930	PUTBACK;
1610	TRANSFER (ta);	1931	TRANSFER (ta, 0);
1611	SPAGAIN; /* might be the sp of a different coroutine now */	1932	SPAGAIN; /* might be the sp of a different coroutine now */
1612	/* be extra careful not to ever do anything after TRANSFER */	1933	/* be extra careful not to ever do anything after TRANSFER */
1613	}	1934	}
1614		1935
1615	bool	1936	bool
…		…
1618	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1939	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1619	OUTPUT:	1940	OUTPUT:
1620	RETVAL	1941	RETVAL
1621		1942
1622	void	1943	void
1623	_exit (code)	1944	_exit (int code)
1624	int code
1625	PROTOTYPE: $	1945	PROTOTYPE: $
1626	CODE:	1946	CODE:
1627	_exit (code);	1947	_exit (code);
1628		1948
1629	int	1949	int
1630	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1631	CODE:	1951	CODE:
1632	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1633	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1634	coro_stacksize = new_stacksize;	1955	cctx_stacksize = new_stacksize;
		1956	++cctx_gen;
		1957	}
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int
		1962	cctx_max_idle (int max_idle = 0)
		1963	CODE:
		1964	RETVAL = cctx_max_idle;
		1965	if (max_idle > 1)
		1966	cctx_max_idle = max_idle;
1635	OUTPUT:	1967	OUTPUT:
1636	RETVAL	1968	RETVAL
1637		1969
1638	int	1970	int
1639	cctx_count ()	1971	cctx_count ()
…		…
1663	call (Coro::State coro, SV *coderef)	1995	call (Coro::State coro, SV *coderef)
1664	ALIAS:	1996	ALIAS:
1665	eval = 1	1997	eval = 1
1666	CODE:	1998	CODE:
1667	{	1999	{
1668	if (coro->mainstack)	2000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1669	{	2001	{
1670	struct coro temp;	2002	struct coro temp;
1671		2003
1672	if (!(coro->flags & CF_RUNNING))	2004	if (!(coro->flags & CF_RUNNING))
1673	{	2005	{
		2006	PUTBACK;
1674	save_perl (aTHX_ &temp);	2007	save_perl (aTHX_ &temp);
1675	load_perl (aTHX_ coro);	2008	load_perl (aTHX_ coro);
1676	}	2009	}
1677		2010
1678	{	2011	{
…		…
1697		2030
1698	if (!(coro->flags & CF_RUNNING))	2031	if (!(coro->flags & CF_RUNNING))
1699	{	2032	{
1700	save_perl (aTHX_ coro);	2033	save_perl (aTHX_ coro);
1701	load_perl (aTHX_ &temp);	2034	load_perl (aTHX_ &temp);
		2035	SPAGAIN;
1702	}	2036	}
1703	}	2037	}
1704	}	2038	}
1705		2039
1706	SV *	2040	SV *
…		…
1718		2052
1719	void	2053	void
1720	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2054	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1721		2055
1722	SV *	2056	SV *
1723	has_stack (Coro::State coro)	2057	has_cctx (Coro::State coro)
1724	PROTOTYPE: $	2058	PROTOTYPE: $
1725	CODE:	2059	CODE:
1726	RETVAL = boolSV (!!coro->cctx);	2060	RETVAL = boolSV (!!coro->cctx);
1727	OUTPUT:	2061	OUTPUT:
1728	RETVAL	2062	RETVAL
…		…
1733	CODE:	2067	CODE:
1734	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1735	OUTPUT:	2069	OUTPUT:
1736	RETVAL	2070	RETVAL
1737		2071
1738	IV	2072	UV
1739	rss (Coro::State coro)	2073	rss (Coro::State coro)
1740	PROTOTYPE: $	2074	PROTOTYPE: $
1741	ALIAS:	2075	ALIAS:
1742	usecount = 1	2076	usecount = 1
1743	CODE:	2077	CODE:
…		…
1747	case 1: RETVAL = coro->usecount; break;	2081	case 1: RETVAL = coro->usecount; break;
1748	}	2082	}
1749	OUTPUT:	2083	OUTPUT:
1750	RETVAL	2084	RETVAL
1751		2085
		2086	void
		2087	force_cctx ()
		2088	CODE:
		2089	struct coro *coro = SvSTATE (coro_current);
		2090	coro->cctx->idle_sp = 0;
		2091
		2092	void
		2093	swap_defsv (Coro::State self)
		2094	PROTOTYPE: $
		2095	ALIAS:
		2096	swap_defav = 1
		2097	CODE:
		2098	if (!self->slot)
		2099	croak ("cannot swap state with coroutine that has no saved state");
		2100	else
		2101	{
		2102	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2103	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2104
		2105	SV tmp = src; src = dst; *dst = tmp;
		2106	}
1752		2107
1753	MODULE = Coro::State PACKAGE = Coro	2108	MODULE = Coro::State PACKAGE = Coro
1754		2109
1755	BOOT:	2110	BOOT:
1756	{	2111	{
1757	int i;	2112	int i;
1758		2113
1759	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1760	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1761	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2114	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2115	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2116	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1762		2117
1763	coro_current = coro_get_sv ("Coro::current", FALSE);	2118	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1764	SvREADONLY_on (coro_current);	2119	SvREADONLY_on (coro_current);
1765		2120
1766	coro_stash = gv_stashpv ("Coro", TRUE);	2121	coro_stash = gv_stashpv ("Coro", TRUE);
1767		2122
1768	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2123	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1796	void	2151	void
1797	_set_current (SV *current)	2152	_set_current (SV *current)
1798	PROTOTYPE: $	2153	PROTOTYPE: $
1799	CODE:	2154	CODE:
1800	SvREFCNT_dec (SvRV (coro_current));	2155	SvREFCNT_dec (SvRV (coro_current));
1801	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2156	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2157
		2158	void
		2159	_set_readyhook (SV *hook)
		2160	PROTOTYPE: $
		2161	CODE:
		2162	LOCK;
		2163	SvREFCNT_dec (coro_readyhook);
		2164	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2165	UNLOCK;
1802		2166
1803	int	2167	int
1804	prio (Coro::State coro, int newprio = 0)	2168	prio (Coro::State coro, int newprio = 0)
1805	ALIAS:	2169	ALIAS:
1806	nice = 1	2170	nice = 1
…		…
1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2220	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857	AV *invoke_av;	2221	AV *invoke_av;
1858	int i, len;	2222	int i, len;
1859		2223
1860	if (!invoke)	2224	if (!invoke)
		2225	{
		2226	SV *old = PL_diehook;
		2227	PL_diehook = 0;
		2228	SvREFCNT_dec (old);
1861	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
		2230	}
1862		2231
1863	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1865		2234
1866	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
1867	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1868		2237
1869	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
1873		2242
1874	if (len > 0)	2243	if (len > 0)
1875	{	2244	{
1876	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
1877	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
1878	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1879	}	2248	}
1880		2249
1881	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
1882	}	2251	}
1883		2252
…		…
1890	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
1891		2260
1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1893	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
1894		2263
1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2266	{
		2267	SV *old = PL_diehook;
		2268	PL_diehook = 0;
		2269	SvREFCNT_dec (old);
1897	croak ("\3async_pool terminate\2\n");	2270	croak ("\3async_pool terminate\2\n");
		2271	}
1898		2272
1899	av_clear (GvAV (PL_defgv));	2273	av_clear (GvAV (PL_defgv));
1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2274	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2275	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902		2276
…		…
1906	api_trace (coro_current, 0);	2280	api_trace (coro_current, 0);
1907		2281
1908	av_push (av_async_pool, newSVsv (coro_current));	2282	av_push (av_async_pool, newSVsv (coro_current));
1909	}	2283	}
1910		2284
		2285	#if 0
		2286
		2287	void
		2288	_generator_call (...)
		2289	PROTOTYPE: @
		2290	PPCODE:
		2291	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2292	xxxx
		2293	abort ();
		2294
		2295	SV *
		2296	gensub (SV *sub, ...)
		2297	PROTOTYPE: &;@
		2298	CODE:
		2299	{
		2300	struct coro *coro;
		2301	MAGIC *mg;
		2302	CV *xcv;
		2303	CV ncv = (CV )newSV_type (SVt_PVCV);
		2304	int i;
		2305
		2306	CvGV (ncv) = CvGV (cv);
		2307	CvFILE (ncv) = CvFILE (cv);
		2308
		2309	Newz (0, coro, 1, struct coro);
		2310	coro->args = newAV ();
		2311	coro->flags = CF_NEW;
		2312
		2313	av_extend (coro->args, items - 1);
		2314	for (i = 1; i < items; i++)
		2315	av_push (coro->args, newSVsv (ST (i)));
		2316
		2317	CvISXSUB_on (ncv);
		2318	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2319
		2320	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2321
		2322	CvXSUB (ncv) = CvXSUB (xcv);
		2323	CvANON_on (ncv);
		2324
		2325	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2326	RETVAL = newRV_noinc ((SV *)ncv);
		2327	}
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	#endif
		2332
1911		2333
1912	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
1913		2335
1914	SV *	2336	void
1915	_get_state ()	2337	_get_state (SV *self)
1916	CODE:	2338	PPCODE:
1917	{	2339	{
1918	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
1919		2341	AV *av = newAV ();
		2342	int i;
1920	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
1921	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
1922	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
1923	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
1924		2347
1925	data->errorno = errno;	2348	data->errorno = errno;
1926	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
1927	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
1928	data->statcache = PL_statcache;	2351	data->statcache = PL_statcache;
		2352
		2353	av_extend (av, AvFILLp (defav) + 1 + 1);
		2354
		2355	for (i = 0; i <= AvFILLp (defav); ++i)
		2356	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2357
		2358	av_push (av, data_sv);
		2359
		2360	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2361
		2362	api_ready (self);
1929	}	2363	}
1930	OUTPUT:
1931	RETVAL
1932		2364
1933	void	2365	void
1934	_set_state (char *data_)	2366	_set_state (SV *state)
1935	PROTOTYPE: $	2367	PROTOTYPE: $
1936	CODE:	2368	PPCODE:
1937	{	2369	{
1938	struct io_state data = (void )data_;	2370	AV av = (AV )SvRV (state);
		2371	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2372	int i;
1939		2373
1940	errno = data->errorno;	2374	errno = data->errorno;
1941	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
1942	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
1943	PL_statcache = data->statcache;	2377	PL_statcache = data->statcache;
1944	}
1945		2378
		2379	EXTEND (SP, AvFILLp (av));
		2380	for (i = 0; i < AvFILLp (av); ++i)
		2381	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2382	}
		2383
		2384
		2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2386
		2387	BOOT:
		2388	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2389
		2390	SV *
		2391	_schedule (...)
		2392	PROTOTYPE: @
		2393	CODE:
		2394	{
		2395	static int incede;
		2396
		2397	api_cede_notself ();
		2398
		2399	++incede;
		2400	while (coro_nready >= incede && api_cede ())
		2401	;
		2402
		2403	sv_setsv (sv_activity, &PL_sv_undef);
		2404	if (coro_nready >= incede)
		2405	{
		2406	PUSHMARK (SP);
		2407	PUTBACK;
		2408	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2409	SPAGAIN;
		2410	}
		2411
		2412	--incede;
		2413	}
		2414
		2415
		2416	MODULE = Coro::State PACKAGE = PerlIO::cede
		2417
		2418	BOOT:
		2419	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs. Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC