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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 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
		23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
15		25
16	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
17	# include <unistd.h>	27	# include <unistd.h>
18	# include <sys/mman.h>	28	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
73	# endif	83	# endif
74	#endif	84	#endif
75		85
		86	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93
		94	/* 5.11 */
		95	#ifndef CxHASARGS
		96	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		97	#endif
		98
76	/* 5.8.7 */	99	/* 5.8.7 */
77	#ifndef SvRV_set	100	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
79	#endif
80
81	/* 5.8.8 */
82	#ifndef GV_NOTQUAL
83	# define GV_NOTQUAL 0
84	#endif
85	#ifndef newSV
86	# define newSV(l) NEWSV(0,l)
87	#endif	102	#endif
88		103
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
91	#endif	106	#endif
…		…
130	#else	145	#else
131	# define LOCK (void)0	146	# define LOCK (void)0
132	# define UNLOCK (void)0	147	# define UNLOCK (void)0
133	#endif	148	#endif
134		149
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	150	/* helper storage struct for Coro::AIO */
138	struct io_state	151	struct io_state
139	{	152	{
140	int errorno;	153	int errorno;
141	I32 laststype;	154	I32 laststype;
142	int laststatval;	155	int laststatval;
143	Stat_t statcache;	156	Stat_t statcache;
144	};	157	};
145		158
		159	static double (nvtime)(); / so why doesn't it take void? */
		160
146	static size_t coro_stacksize = CORO_STACKSIZE;	161	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	162	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	163	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	164	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	165	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	166	static volatile SV coro_mortal; / will be freed after next transfer */
152		167
153	static GV irsgv; / $/ */	168	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	169	static GV stdoutgv; / STDOUT /
155		170	static SV *rv_diehook;
		171	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	172	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		173
160	/* async_pool helper stuff */	174	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	175	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	176	static SV *sv_pool_size;
163	static AV *av_async_pool;	177	static AV *av_async_pool;
		178
		179	/* Coro::AnyEvent */
		180	static SV *sv_activity;
164		181
165	static struct coro_cctx *cctx_first;	182	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	183	static int cctx_count, cctx_idle;
167		184
168	enum {	185	enum {
…		…
221		238
222	/* process data */	239	/* process data */
223	AV *mainstack;	240	AV *mainstack;
224	perl_slots slot; / basically the saved sp */	241	perl_slots slot; / basically the saved sp */
225		242
226	/* data associated with this coroutine (initial args) */	243	AV args; / data associated with this coroutine (initial args) */
227	AV *args;	244	int refcnt; /* coroutines are refcounted, yes */
228	int refcnt;
229	int flags; /* CF_ flags */	245	int flags; /* CF_ flags */
		246	HV hv; / the perl hash associated with this coro, if any */
230		247
231	/* statistics */	248	/* statistics */
232	int usecount; /* number of transfers to this coro */	249	int usecount; /* number of transfers to this coro */
233		250
234	/* coro process data */	251	/* coro process data */
235	int prio;	252	int prio;
236	SV *throw;	253	SV throw; / exception to be thrown */
237		254
238	/* async_pool */	255	/* async_pool */
239	SV *saved_deffh;	256	SV *saved_deffh;
240		257
241	/* linked list */	258	/* linked list */
242	struct coro next, prev;	259	struct coro next, prev;
243	HV hv; / the perl hash associated with this coro, if any */
244	};	260	};
245		261
246	typedef struct coro *Coro__State;	262	typedef struct coro *Coro__State;
247	typedef struct coro *Coro__State_or_hashref;	263	typedef struct coro *Coro__State_or_hashref;
248		264
…		…
255	#define PRIO_IDLE -3	271	#define PRIO_IDLE -3
256	#define PRIO_MIN -4	272	#define PRIO_MIN -4
257		273
258	/* for Coro.pm */	274	/* for Coro.pm */
259	static SV *coro_current;	275	static SV *coro_current;
		276	static SV *coro_readyhook;
260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	277	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
261	static int coro_nready;	278	static int coro_nready;
262	static struct coro *coro_first;	279	static struct coro *coro_first;
263		280
264	/ lowlevel stuff ********************************************************/	281	/ lowlevel stuff ********************************************************/
265		282
266	static SV *	283	static SV *
267	coro_get_sv (const char *name, int create)	284	coro_get_sv (pTHX_ const char *name, int create)
268	{	285	{
269	#if PERL_VERSION_ATLEAST (5,9,0)	286	#if PERL_VERSION_ATLEAST (5,10,0)
270	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
271	get_sv (name, create);	288	get_sv (name, create);
272	#endif	289	#endif
273	return get_sv (name, create);	290	return get_sv (name, create);
274	}	291	}
275		292
276	static AV *	293	static AV *
277	coro_get_av (const char *name, int create)	294	coro_get_av (pTHX_ const char *name, int create)
278	{	295	{
279	#if PERL_VERSION_ATLEAST (5,9,0)	296	#if PERL_VERSION_ATLEAST (5,10,0)
280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	297	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
281	get_av (name, create);	298	get_av (name, create);
282	#endif	299	#endif
283	return get_av (name, create);	300	return get_av (name, create);
284	}	301	}
285		302
286	static HV *	303	static HV *
287	coro_get_hv (const char *name, int create)	304	coro_get_hv (pTHX_ const char *name, int create)
288	{	305	{
289	#if PERL_VERSION_ATLEAST (5,9,0)	306	#if PERL_VERSION_ATLEAST (5,10,0)
290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	307	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
291	get_hv (name, create);	308	get_hv (name, create);
292	#endif	309	#endif
293	return get_hv (name, create);	310	return get_hv (name, create);
294	}	311	}
…		…
299	AV *padlist = CvPADLIST (cv);	316	AV *padlist = CvPADLIST (cv);
300	AV newpadlist, newpad;	317	AV newpadlist, newpad;
301		318
302	newpadlist = newAV ();	319	newpadlist = newAV ();
303	AvREAL_off (newpadlist);	320	AvREAL_off (newpadlist);
304	#if PERL_VERSION_ATLEAST (5,9,0)	321	#if PERL_VERSION_ATLEAST (5,10,0)
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	322	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
306	#else	323	#else
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	324	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
308	#endif	325	#endif
309	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	326	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
347		364
348	/* casting is fun. */	365	/* casting is fun. */
349	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	366	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
350	free_padlist (aTHX_ padlist);	367	free_padlist (aTHX_ padlist);
351		368
352	SvREFCNT_dec (av);	369	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
353		370
354	return 0;	371	return 0;
355	}	372	}
356		373
357	#define PERL_MAGIC_coro PERL_MAGIC_ext	374	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		375	#define CORO_MAGIC_type_state PERL_MAGIC_ext
358		376
359	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	377	static MGVTBL coro_cv_vtbl = {
		378	0, 0, 0, 0,
		379	coro_cv_free
		380	};
360		381
361	#define CORO_MAGIC(cv) \	382	#define CORO_MAGIC(sv,type) \
362	SvMAGIC (cv) \	383	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	384	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	385	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	386	: mg_find (sv, type) \
366	: 0	387	: 0
		388
		389	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		390	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
367		391
368	static struct coro *	392	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	393	SvSTATE_ (pTHX_ SV *coro)
370	{	394	{
371	HV *stash;	395	HV *stash;
…		…
383	/* very slow, but rare, check */	407	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	409	croak ("Coro::State object required");
386	}	410	}
387		411
388	mg = CORO_MAGIC (coro);	412	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	413	return (struct coro *)mg->mg_ptr;
390	}	414	}
391		415
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		417
394	/* the next two functions merely cache the padlists */	418	/* the next two functions merely cache the padlists */
395	static void	419	static void
396	get_padlist (pTHX_ CV *cv)	420	get_padlist (pTHX_ CV *cv)
397	{	421	{
398	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	423	AV *av;
400		424
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	425	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	426	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	427	else
404	{	428	{
405	#if CORO_PREFER_PERL_FUNCTIONS	429	#if CORO_PREFER_PERL_FUNCTIONS
406	/* this is probably cleaner, but also slower? */	430	/* this is probably cleaner? but also slower! */
		431	/* in practise, it seems to be less stable */
407	CV *cp = Perl_cv_clone (cv);	432	CV *cp = Perl_cv_clone (cv);
408	CvPADLIST (cv) = CvPADLIST (cp);	433	CvPADLIST (cv) = CvPADLIST (cp);
409	CvPADLIST (cp) = 0;	434	CvPADLIST (cp) = 0;
410	SvREFCNT_dec (cp);	435	SvREFCNT_dec (cp);
411	#else	436	#else
…		…
415	}	440	}
416		441
417	static void	442	static void
418	put_padlist (pTHX_ CV *cv)	443	put_padlist (pTHX_ CV *cv)
419	{	444	{
420	MAGIC *mg = CORO_MAGIC (cv);	445	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	446	AV *av;
422		447
423	if (expect_false (!mg))	448	if (expect_false (!mg))
424	{	449	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
427	mg->mg_virtual = &vtbl_coro;
428	mg->mg_obj = (SV *)newAV ();
429	}
430		450
431	av = (AV *)mg->mg_obj;	451	av = (AV *)mg->mg_obj;
432		452
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	453	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	454	av_extend (av, AvMAX (av) + 1);
…		…
452	GvSV (irsgv) = slot->irsgv;	472	GvSV (irsgv) = slot->irsgv;
453		473
454	#define VAR(name,type) PL_ ## name = slot->name;	474	#define VAR(name,type) PL_ ## name = slot->name;
455	# include "state.h"	475	# include "state.h"
456	#undef VAR	476	#undef VAR
457
458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
460		477
461	{	478	{
462	dSP;	479	dSP;
463		480
464	CV *cv;	481	CV *cv;
…		…
503		520
504	if (expect_true (CvDEPTH (cv)))	521	if (expect_true (CvDEPTH (cv)))
505	{	522	{
506	EXTEND (SP, 3);	523	EXTEND (SP, 3);
507	PUSHs ((SV *)CvPADLIST (cv));	524	PUSHs ((SV *)CvPADLIST (cv));
508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	525	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
509	PUSHs ((SV *)cv);	526	PUSHs ((SV *)cv);
510		527
511	CvDEPTH (cv) = 0;	528	CvDEPTH (cv) = 0;
512	get_padlist (aTHX_ cv);	529	get_padlist (aTHX_ cv);
513	}	530	}
…		…
557	* allocate various perl stacks. This is an exact copy	574	* allocate various perl stacks. This is an exact copy
558	* of perl.c:init_stacks, except that it uses less memory	575	* of perl.c:init_stacks, except that it uses less memory
559	* on the (sometimes correct) assumption that coroutines do	576	* on the (sometimes correct) assumption that coroutines do
560	* not usually need a lot of stackspace.	577	* not usually need a lot of stackspace.
561	*/	578	*/
562	#if 1	579	#if CORO_PREFER_PERL_FUNCTIONS
563	# define coro_init_stacks init_stacks	580	# define coro_init_stacks init_stacks
564	#else	581	#else
565	static void	582	static void
566	coro_init_stacks (pTHX)	583	coro_init_stacks (pTHX)
567	{	584	{
…		…
593		610
594	New(54,PL_savestack,24,ANY);	611	New(54,PL_savestack,24,ANY);
595	PL_savestack_ix = 0;	612	PL_savestack_ix = 0;
596	PL_savestack_max = 24;	613	PL_savestack_max = 24;
597		614
598	#if !PERL_VERSION_ATLEAST (5,9,0)	615	#if !PERL_VERSION_ATLEAST (5,10,0)
599	New(54,PL_retstack,4,OP*);	616	New(54,PL_retstack,4,OP*);
600	PL_retstack_ix = 0;	617	PL_retstack_ix = 0;
601	PL_retstack_max = 4;	618	PL_retstack_max = 4;
602	#endif	619	#endif
603	}	620	}
…		…
626		643
627	Safefree (PL_tmps_stack);	644	Safefree (PL_tmps_stack);
628	Safefree (PL_markstack);	645	Safefree (PL_markstack);
629	Safefree (PL_scopestack);	646	Safefree (PL_scopestack);
630	Safefree (PL_savestack);	647	Safefree (PL_savestack);
631	#if !PERL_VERSION_ATLEAST (5,9,0)	648	#if !PERL_VERSION_ATLEAST (5,10,0)
632	Safefree (PL_retstack);	649	Safefree (PL_retstack);
633	#endif	650	#endif
634	}	651	}
635		652
636	static size_t	653	static size_t
…		…
652	#undef VAR	669	#undef VAR
653	}	670	}
654	else	671	else
655	slot = coro->slot;	672	slot = coro->slot;
656		673
		674	if (slot)
		675	{
657	rss += sizeof (slot->curstackinfo);	676	rss += sizeof (slot->curstackinfo);
658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	677	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	678	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
660	rss += slot->tmps_max * sizeof (SV *);	679	rss += slot->tmps_max * sizeof (SV *);
661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	680	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
662	rss += slot->scopestack_max * sizeof (I32);	681	rss += slot->scopestack_max * sizeof (I32);
663	rss += slot->savestack_max * sizeof (ANY);	682	rss += slot->savestack_max * sizeof (ANY);
664		683
665	#if !PERL_VERSION_ATLEAST (5,9,0)	684	#if !PERL_VERSION_ATLEAST (5,10,0)
666	rss += slot->retstack_max * sizeof (OP *);	685	rss += slot->retstack_max * sizeof (OP *);
667	#endif	686	#endif
		687	}
668	}	688	}
669		689
670	return rss;	690	return rss;
671	}	691	}
672		692
673	/ coroutine stack handling **********************************************/	693	/ coroutine stack handling **********************************************/
		694
		695	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		696	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		697	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		698
		699	/* apparently < 5.8.8 */
		700	#ifndef MgPV_nolen_const
		701	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		702	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		703	(const char*)(mg)->mg_ptr)
		704	#endif
		705
		706	/*
		707	* This overrides the default magic get method of %SIG elements.
		708	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		709	* and instead of tryign to save and restore the hash elements, we just provide
		710	* readback here.
		711	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		712	* not expecting this to actually change the hook. This is a potential problem
		713	* when a schedule happens then, but we ignore this.
		714	*/
		715	static int
		716	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		717	{
		718	const char *s = MgPV_nolen_const (mg);
		719
		720	if (*s == '_')
		721	{
		722	SV **svp = 0;
		723
		724	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		725	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		726
		727	if (svp)
		728	{
		729	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		730	return 0;
		731	}
		732	}
		733
		734	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		735	}
		736
		737	static int
		738	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		739	{
		740	const char *s = MgPV_nolen_const (mg);
		741
		742	if (*s == '_')
		743	{
		744	SV **svp = 0;
		745
		746	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		747	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		748
		749	if (svp)
		750	{
		751	SV old = svp;
		752	*svp = 0;
		753	SvREFCNT_dec (old);
		754	return 0;
		755	}
		756	}
		757
		758	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		759	}
		760
		761	static int
		762	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		763	{
		764	const char *s = MgPV_nolen_const (mg);
		765
		766	if (*s == '_')
		767	{
		768	SV **svp = 0;
		769
		770	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		771	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		772
		773	if (svp)
		774	{
		775	SV old = svp;
		776	*svp = newSVsv (sv);
		777	SvREFCNT_dec (old);
		778	return 0;
		779	}
		780	}
		781
		782	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		783	}
674		784
675	static void	785	static void
676	coro_setup (pTHX_ struct coro *coro)	786	coro_setup (pTHX_ struct coro *coro)
677	{	787	{
678	/*	788	/*
…		…
687	PL_curpm = 0;	797	PL_curpm = 0;
688	PL_curpad = 0;	798	PL_curpad = 0;
689	PL_localizing = 0;	799	PL_localizing = 0;
690	PL_dirty = 0;	800	PL_dirty = 0;
691	PL_restartop = 0;	801	PL_restartop = 0;
692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	802	#if PERL_VERSION_ATLEAST (5,10,0)
693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	803	PL_parser = 0;
		804	#endif
		805
		806	/* recreate the die/warn hooks */
		807	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		808	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
694		809
695	GvSV (PL_defgv) = newSV (0);	810	GvSV (PL_defgv) = newSV (0);
696	GvAV (PL_defgv) = coro->args; coro->args = 0;	811	GvAV (PL_defgv) = coro->args; coro->args = 0;
697	GvSV (PL_errgv) = newSV (0);	812	GvSV (PL_errgv) = newSV (0);
698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	813	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
713	PL_op = (OP *)&myop;	828	PL_op = (OP *)&myop;
714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	829	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
715	SPAGAIN;	830	SPAGAIN;
716	}	831	}
717		832
718	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	833	/* this newly created coroutine might be run on an existing cctx which most
		834	* likely was suspended in set_stacklevel, called from entersub.
		835	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		836	* so we ENTER here for symmetry
		837	*/
		838	ENTER;
719	}	839	}
720		840
721	static void	841	static void
722	coro_destroy (pTHX_ struct coro *coro)	842	coro_destroy (pTHX_ struct coro *coro)
723	{	843	{
…		…
807	PUSHMARK (SP);	927	PUSHMARK (SP);
808	PUSHs (&PL_sv_no);	928	PUSHs (&PL_sv_no);
809	PUSHs (fullname);	929	PUSHs (fullname);
810	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	930	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
811	PUTBACK;	931	PUTBACK;
812	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	932	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
813	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	933	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
814	SPAGAIN;	934	SPAGAIN;
815	FREETMPS;	935	FREETMPS;
816	LEAVE;	936	LEAVE;
817	PL_runops = runops_trace;	937	PL_runops = runops_trace;
…		…
844	SAVETMPS;	964	SAVETMPS;
845	EXTEND (SP, 3);	965	EXTEND (SP, 3);
846	PUSHMARK (SP);	966	PUSHMARK (SP);
847	PUSHs (&PL_sv_yes);	967	PUSHs (&PL_sv_yes);
848	PUSHs (fullname);	968	PUSHs (fullname);
849	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	969	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
850	PUTBACK;	970	PUTBACK;
851	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	971	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
852	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	972	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
853	SPAGAIN;	973	SPAGAIN;
854	FREETMPS;	974	FREETMPS;
855	LEAVE;	975	LEAVE;
856	PL_runops = runops_trace;	976	PL_runops = runops_trace;
…		…
870	PL_runops = RUNOPS_DEFAULT;	990	PL_runops = RUNOPS_DEFAULT;
871	PUSHMARK (SP);	991	PUSHMARK (SP);
872	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	992	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
873	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	993	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
874	PUTBACK;	994	PUTBACK;
875	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	995	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
876	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	996	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
877	SPAGAIN;	997	SPAGAIN;
878	FREETMPS;	998	FREETMPS;
879	LEAVE;	999	LEAVE;
880	PL_runops = runops_trace;	1000	PL_runops = runops_trace;
…		…
1070	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1190	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1071		1191
1072	if (expect_false (next->flags & CF_DESTROYED))	1192	if (expect_false (next->flags & CF_DESTROYED))
1073	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1193	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1074		1194
1075	if (
1076	#if PERL_VERSION_ATLEAST (5,9,0)	1195	#if !PERL_VERSION_ATLEAST (5,10,0)
1077	expect_false (PL_parser)
1078	#else
1079	expect_false (PL_lex_state != LEX_NOTPARSING)	1196	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1080	#endif
1081	)
1082	croak ("Coro::State::transfer called while parsing, but this is not supported");	1197	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1198	#endif
1083	}	1199	}
1084	}	1200	}
1085		1201
1086	/* always use the TRANSFER macro */	1202	/* always use the TRANSFER macro */
1087	static void NOINLINE	1203	static void NOINLINE
1088	transfer (pTHX_ struct coro prev, struct coro next)	1204	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1089	{	1205	{
1090	dSTACKLEVEL;	1206	dSTACKLEVEL;
		1207	static volatile int has_throw;
1091		1208
1092	/* sometimes transfer is only called to set idle_sp */	1209	/* sometimes transfer is only called to set idle_sp */
1093	if (expect_false (!next))	1210	if (expect_false (!next))
1094	{	1211	{
1095	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1212	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1110	prev->flags &= ~CF_RUNNING;	1227	prev->flags &= ~CF_RUNNING;
1111	next->flags \|= CF_RUNNING;	1228	next->flags \|= CF_RUNNING;
1112		1229
1113	LOCK;	1230	LOCK;
1114		1231
		1232	/* first get rid of the old state */
		1233	save_perl (aTHX_ prev);
		1234
1115	if (expect_false (next->flags & CF_NEW))	1235	if (expect_false (next->flags & CF_NEW))
1116	{	1236	{
1117	/* need to start coroutine */	1237	/* need to start coroutine */
1118	next->flags &= ~CF_NEW;	1238	next->flags &= ~CF_NEW;
1119	/* first get rid of the old state */
1120	save_perl (aTHX_ prev);
1121	/* setup coroutine call */	1239	/* setup coroutine call */
1122	coro_setup (aTHX_ next);	1240	coro_setup (aTHX_ next);
1123	}	1241	}
1124	else	1242	else
1125	{
1126	/* coroutine already started */
1127	save_perl (aTHX_ prev);
1128	load_perl (aTHX_ next);	1243	load_perl (aTHX_ next);
1129	}
1130		1244
1131	prev__cctx = prev->cctx;	1245	prev__cctx = prev->cctx;
1132		1246
1133	/* possibly "free" the cctx */	1247	/* possibly "free" the cctx */
1134	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1248	if (expect_true (
		1249	prev__cctx->idle_sp == STACKLEVEL
		1250	&& !(prev__cctx->flags & CC_TRACE)
		1251	&& !force_cctx
		1252	))
1135	{	1253	{
1136	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1254	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1137	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1255	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1138		1256
1139	prev->cctx = 0;	1257	prev->cctx = 0;
…		…
1149		1267
1150	++next->usecount;	1268	++next->usecount;
1151		1269
1152	if (expect_true (!next->cctx))	1270	if (expect_true (!next->cctx))
1153	next->cctx = cctx_get (aTHX);	1271	next->cctx = cctx_get (aTHX);
		1272
		1273	has_throw = !!next->throw;
1154		1274
1155	if (expect_false (prev__cctx != next->cctx))	1275	if (expect_false (prev__cctx != next->cctx))
1156	{	1276	{
1157	prev__cctx->top_env = PL_top_env;	1277	prev__cctx->top_env = PL_top_env;
1158	PL_top_env = next->cctx->top_env;	1278	PL_top_env = next->cctx->top_env;
…		…
1160	}	1280	}
1161		1281
1162	free_coro_mortal (aTHX);	1282	free_coro_mortal (aTHX);
1163	UNLOCK;	1283	UNLOCK;
1164		1284
1165	if (expect_false (prev->throw \|\| next->throw))	1285	if (expect_false (has_throw))
1166	{	1286	{
1167	struct coro *coro = SvSTATE (coro_current);	1287	struct coro *coro = SvSTATE (coro_current);
1168		1288
1169	if (coro->throw)	1289	if (coro->throw)
1170	{	1290	{
…		…
1180	struct transfer_args	1300	struct transfer_args
1181	{	1301	{
1182	struct coro prev, next;	1302	struct coro prev, next;
1183	};	1303	};
1184		1304
1185	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1305	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1186	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1187		1307
1188	/ high level stuff ******************************************************/	1308	/ high level stuff ******************************************************/
1189		1309
1190	static int	1310	static int
…		…
1284	{	1404	{
1285	dTHX;	1405	dTHX;
1286	struct transfer_args ta;	1406	struct transfer_args ta;
1287		1407
1288	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1408	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1289	TRANSFER (ta);	1409	TRANSFER (ta, 1);
1290	}	1410	}
1291		1411
1292	/ Coro ******************************************************************/	1412	/ Coro ******************************************************************/
1293		1413
1294	static void	1414	static void
…		…
1296	{	1416	{
1297	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1417	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1298	}	1418	}
1299		1419
1300	static SV *	1420	static SV *
1301	coro_deq (pTHX_ int min_prio)	1421	coro_deq (pTHX)
1302	{	1422	{
1303	int prio = PRIO_MAX - PRIO_MIN;	1423	int prio;
1304		1424
1305	min_prio -= PRIO_MIN;
1306	if (min_prio < 0)
1307	min_prio = 0;
1308
1309	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1425	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1310	if (AvFILLp (coro_ready [prio]) >= 0)	1426	if (AvFILLp (coro_ready [prio]) >= 0)
1311	return av_shift (coro_ready [prio]);	1427	return av_shift (coro_ready [prio]);
1312		1428
1313	return 0;	1429	return 0;
1314	}	1430	}
…		…
1316	static int	1432	static int
1317	api_ready (SV *coro_sv)	1433	api_ready (SV *coro_sv)
1318	{	1434	{
1319	dTHX;	1435	dTHX;
1320	struct coro *coro;	1436	struct coro *coro;
		1437	SV *sv_hook;
		1438	void (*xs_hook)(void);
1321		1439
1322	if (SvROK (coro_sv))	1440	if (SvROK (coro_sv))
1323	coro_sv = SvRV (coro_sv);	1441	coro_sv = SvRV (coro_sv);
1324		1442
1325	coro = SvSTATE (coro_sv);	1443	coro = SvSTATE (coro_sv);
…		…
1328	return 0;	1446	return 0;
1329		1447
1330	coro->flags \|= CF_READY;	1448	coro->flags \|= CF_READY;
1331		1449
1332	LOCK;	1450	LOCK;
		1451
		1452	sv_hook = coro_nready ? 0 : coro_readyhook;
		1453	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1454
1333	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1455	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1334	++coro_nready;	1456	++coro_nready;
		1457
1335	UNLOCK;	1458	UNLOCK;
		1459
		1460	if (sv_hook)
		1461	{
		1462	dSP;
		1463
		1464	ENTER;
		1465	SAVETMPS;
		1466
		1467	PUSHMARK (SP);
		1468	PUTBACK;
		1469	call_sv (sv_hook, G_DISCARD);
		1470	SPAGAIN;
		1471
		1472	FREETMPS;
		1473	LEAVE;
		1474	}
		1475
		1476	if (xs_hook)
		1477	xs_hook ();
1336		1478
1337	return 1;	1479	return 1;
1338	}	1480	}
1339		1481
1340	static int	1482	static int
…		…
1350	SV prev_sv, next_sv;	1492	SV prev_sv, next_sv;
1351		1493
1352	for (;;)	1494	for (;;)
1353	{	1495	{
1354	LOCK;	1496	LOCK;
1355	next_sv = coro_deq (aTHX_ PRIO_MIN);	1497	next_sv = coro_deq (aTHX);
1356		1498
1357	/* nothing to schedule: call the idle handler */	1499	/* nothing to schedule: call the idle handler */
1358	if (expect_false (!next_sv))	1500	if (expect_false (!next_sv))
1359	{	1501	{
1360	dSP;	1502	dSP;
…		…
1364	SAVETMPS;	1506	SAVETMPS;
1365		1507
1366	PUSHMARK (SP);	1508	PUSHMARK (SP);
1367	PUTBACK;	1509	PUTBACK;
1368	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1510	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1511	SPAGAIN;
1369		1512
1370	FREETMPS;	1513	FREETMPS;
1371	LEAVE;	1514	LEAVE;
1372	continue;	1515	continue;
1373	}	1516	}
…		…
1428	{	1571	{
1429	dTHX;	1572	dTHX;
1430	struct transfer_args ta;	1573	struct transfer_args ta;
1431		1574
1432	prepare_schedule (aTHX_ &ta);	1575	prepare_schedule (aTHX_ &ta);
1433	TRANSFER (ta);	1576	TRANSFER (ta, 1);
1434	}	1577	}
1435		1578
1436	static int	1579	static int
1437	api_cede (void)	1580	api_cede (void)
1438	{	1581	{
…		…
1441		1584
1442	prepare_cede (aTHX_ &ta);	1585	prepare_cede (aTHX_ &ta);
1443		1586
1444	if (expect_true (ta.prev != ta.next))	1587	if (expect_true (ta.prev != ta.next))
1445	{	1588	{
1446	TRANSFER (ta);	1589	TRANSFER (ta, 1);
1447	return 1;	1590	return 1;
1448	}	1591	}
1449	else	1592	else
1450	return 0;	1593	return 0;
1451	}	1594	}
…		…
1456	dTHX;	1599	dTHX;
1457	struct transfer_args ta;	1600	struct transfer_args ta;
1458		1601
1459	if (prepare_cede_notself (aTHX_ &ta))	1602	if (prepare_cede_notself (aTHX_ &ta))
1460	{	1603	{
1461	TRANSFER (ta);	1604	TRANSFER (ta, 1);
1462	return 1;	1605	return 1;
1463	}	1606	}
1464	else	1607	else
1465	return 0;	1608	return 0;
1466	}	1609	}
…		…
1489	else	1632	else
1490	coro->slot->runops = RUNOPS_DEFAULT;	1633	coro->slot->runops = RUNOPS_DEFAULT;
1491	}	1634	}
1492	}	1635	}
1493		1636
		1637	static int
		1638	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1639	{
		1640	AV *padlist;
		1641	AV av = (AV )mg->mg_obj;
		1642
		1643	abort ();
		1644
		1645	return 0;
		1646	}
		1647
		1648	static MGVTBL coro_gensub_vtbl = {
		1649	0, 0, 0, 0,
		1650	coro_gensub_free
		1651	};
		1652
		1653	/*****************************************************************************/
		1654	/* PerlIO::cede */
		1655
		1656	typedef struct
		1657	{
		1658	PerlIOBuf base;
		1659	NV next, every;
		1660	} PerlIOCede;
		1661
		1662	static IV
		1663	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1664	{
		1665	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1666
		1667	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1668	self->next = nvtime () + self->every;
		1669
		1670	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1671	}
		1672
		1673	static SV *
		1674	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1675	{
		1676	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1677
		1678	return newSVnv (self->every);
		1679	}
		1680
		1681	static IV
		1682	PerlIOCede_flush (pTHX_ PerlIO *f)
		1683	{
		1684	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1685	double now = nvtime ();
		1686
		1687	if (now >= self->next)
		1688	{
		1689	api_cede ();
		1690	self->next = now + self->every;
		1691	}
		1692
		1693	return PerlIOBuf_flush (f);
		1694	}
		1695
		1696	static PerlIO_funcs PerlIO_cede =
		1697	{
		1698	sizeof(PerlIO_funcs),
		1699	"cede",
		1700	sizeof(PerlIOCede),
		1701	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1702	PerlIOCede_pushed,
		1703	PerlIOBuf_popped,
		1704	PerlIOBuf_open,
		1705	PerlIOBase_binmode,
		1706	PerlIOCede_getarg,
		1707	PerlIOBase_fileno,
		1708	PerlIOBuf_dup,
		1709	PerlIOBuf_read,
		1710	PerlIOBuf_unread,
		1711	PerlIOBuf_write,
		1712	PerlIOBuf_seek,
		1713	PerlIOBuf_tell,
		1714	PerlIOBuf_close,
		1715	PerlIOCede_flush,
		1716	PerlIOBuf_fill,
		1717	PerlIOBase_eof,
		1718	PerlIOBase_error,
		1719	PerlIOBase_clearerr,
		1720	PerlIOBase_setlinebuf,
		1721	PerlIOBuf_get_base,
		1722	PerlIOBuf_bufsiz,
		1723	PerlIOBuf_get_ptr,
		1724	PerlIOBuf_get_cnt,
		1725	PerlIOBuf_set_ptrcnt,
		1726	};
		1727
		1728
1494	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1495		1730
1496	PROTOTYPES: DISABLE	1731	PROTOTYPES: DISABLE
1497		1732
1498	BOOT:	1733	BOOT:
…		…
1503	BOOT_PAGESIZE;	1738	BOOT_PAGESIZE;
1504		1739
1505	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1740	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1506	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1741	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1507		1742
		1743	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1744	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1745	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1746
1508	hv_sig = coro_get_hv ("SIG", TRUE);	1747	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1509	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1748	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1510	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1749	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1511
1512	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1513	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1514		1750
1515	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1751	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1516		1752
1517	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1753	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1518	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1523	main_top_env = PL_top_env;	1759	main_top_env = PL_top_env;
1524		1760
1525	while (main_top_env->je_prev)	1761	while (main_top_env->je_prev)
1526	main_top_env = main_top_env->je_prev;	1762	main_top_env = main_top_env->je_prev;
1527		1763
1528	coroapi.ver = CORO_API_VERSION;	1764	coroapi.ver = CORO_API_VERSION;
		1765	coroapi.rev = CORO_API_REVISION;
1529	coroapi.transfer = api_transfer;	1766	coroapi.transfer = api_transfer;
		1767
		1768	{
		1769	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1770
		1771	if (!svp) croak ("Time::HiRes is required");
		1772	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1773
		1774	nvtime = INT2PTR (double ()(), SvIV (svp));
		1775	}
1530		1776
1531	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1777	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1532	}	1778	}
1533		1779
1534	SV *	1780	SV *
1535	new (char *klass, ...)	1781	new (char *klass, ...)
1536	CODE:	1782	CODE:
1537	{	1783	{
1538	struct coro *coro;	1784	struct coro *coro;
		1785	MAGIC *mg;
1539	HV *hv;	1786	HV *hv;
1540	int i;	1787	int i;
1541		1788
1542	Newz (0, coro, 1, struct coro);	1789	Newz (0, coro, 1, struct coro);
1543	coro->args = newAV ();	1790	coro->args = newAV ();
…		…
1546	if (coro_first) coro_first->prev = coro;	1793	if (coro_first) coro_first->prev = coro;
1547	coro->next = coro_first;	1794	coro->next = coro_first;
1548	coro_first = coro;	1795	coro_first = coro;
1549		1796
1550	coro->hv = hv = newHV ();	1797	coro->hv = hv = newHV ();
1551	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1798	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1799	mg->mg_flags \|= MGf_DUP;
1552	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1800	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1553		1801
1554	av_extend (coro->args, items - 1);	1802	av_extend (coro->args, items - 1);
1555	for (i = 1; i < items; i++)	1803	for (i = 1; i < items; i++)
1556	av_push (coro->args, newSVsv (ST (i)));	1804	av_push (coro->args, newSVsv (ST (i)));
…		…
1570	Coro::cede_notself = 4	1818	Coro::cede_notself = 4
1571	CODE:	1819	CODE:
1572	{	1820	{
1573	struct transfer_args ta;	1821	struct transfer_args ta;
1574		1822
		1823	PUTBACK;
1575	switch (ix)	1824	switch (ix)
1576	{	1825	{
1577	case 0:	1826	case 0:
1578	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1827	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1579	ta.next = 0;	1828	ta.next = 0;
…		…
1598	if (!prepare_cede_notself (aTHX_ &ta))	1847	if (!prepare_cede_notself (aTHX_ &ta))
1599	XSRETURN_EMPTY;	1848	XSRETURN_EMPTY;
1600		1849
1601	break;	1850	break;
1602	}	1851	}
		1852	SPAGAIN;
1603		1853
1604	BARRIER;	1854	BARRIER;
		1855	PUTBACK;
1605	TRANSFER (ta);	1856	TRANSFER (ta, 0);
1606		1857	SPAGAIN; /* might be the sp of a different coroutine now */
1607	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1858	/* be extra careful not to ever do anything after TRANSFER */
1608	XSRETURN_YES;
1609	}	1859	}
1610		1860
1611	bool	1861	bool
1612	_destroy (SV *coro_sv)	1862	_destroy (SV *coro_sv)
1613	CODE:	1863	CODE:
1614	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1864	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1615	OUTPUT:	1865	OUTPUT:
1616	RETVAL	1866	RETVAL
1617		1867
1618	void	1868	void
1619	_exit (code)	1869	_exit (int code)
1620	int code
1621	PROTOTYPE: $	1870	PROTOTYPE: $
1622	CODE:	1871	CODE:
1623	_exit (code);	1872	_exit (code);
1624		1873
1625	int	1874	int
…		…
1659	call (Coro::State coro, SV *coderef)	1908	call (Coro::State coro, SV *coderef)
1660	ALIAS:	1909	ALIAS:
1661	eval = 1	1910	eval = 1
1662	CODE:	1911	CODE:
1663	{	1912	{
1664	if (coro->mainstack)	1913	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1665	{	1914	{
1666	struct coro temp;	1915	struct coro temp;
1667		1916
1668	if (!(coro->flags & CF_RUNNING))	1917	if (!(coro->flags & CF_RUNNING))
1669	{	1918	{
		1919	PUTBACK;
1670	save_perl (aTHX_ &temp);	1920	save_perl (aTHX_ &temp);
1671	load_perl (aTHX_ coro);	1921	load_perl (aTHX_ coro);
1672	}	1922	}
1673		1923
1674	{	1924	{
1675	dSP;	1925	dSP;
1676	ENTER;	1926	ENTER;
1677	SAVETMPS;	1927	SAVETMPS;
		1928	PUTBACK;
		1929	PUSHSTACK;
1678	PUSHMARK (SP);	1930	PUSHMARK (SP);
1679	PUTBACK;
1680		1931
1681	if (ix)	1932	if (ix)
1682	eval_sv (coderef, 0);	1933	eval_sv (coderef, 0);
1683	else	1934	else
1684	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1935	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1685		1936
		1937	POPSTACK;
1686	SPAGAIN;	1938	SPAGAIN;
1687	FREETMPS;	1939	FREETMPS;
1688	LEAVE;	1940	LEAVE;
1689	PUTBACK;	1941	PUTBACK;
1690	}	1942	}
1691		1943
1692	if (!(coro->flags & CF_RUNNING))	1944	if (!(coro->flags & CF_RUNNING))
1693	{	1945	{
1694	save_perl (aTHX_ coro);	1946	save_perl (aTHX_ coro);
1695	load_perl (aTHX_ &temp);	1947	load_perl (aTHX_ &temp);
		1948	SPAGAIN;
1696	}	1949	}
1697	}	1950	}
1698	}	1951	}
1699		1952
1700	SV *	1953	SV *
…		…
1712		1965
1713	void	1966	void
1714	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1967	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1715		1968
1716	SV *	1969	SV *
1717	has_stack (Coro::State coro)	1970	has_cctx (Coro::State coro)
1718	PROTOTYPE: $	1971	PROTOTYPE: $
1719	CODE:	1972	CODE:
1720	RETVAL = boolSV (!!coro->cctx);	1973	RETVAL = boolSV (!!coro->cctx);
1721	OUTPUT:	1974	OUTPUT:
1722	RETVAL	1975	RETVAL
…		…
1741	case 1: RETVAL = coro->usecount; break;	1994	case 1: RETVAL = coro->usecount; break;
1742	}	1995	}
1743	OUTPUT:	1996	OUTPUT:
1744	RETVAL	1997	RETVAL
1745		1998
		1999	void
		2000	force_cctx ()
		2001	CODE:
		2002	struct coro *coro = SvSTATE (coro_current);
		2003	coro->cctx->idle_sp = 0;
		2004
		2005	void
		2006	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2007	PROTOTYPE: $;$
		2008	CODE:
		2009	SvREFCNT_dec (self->throw);
		2010	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2011
		2012	void
		2013	swap_defsv (Coro::State self)
		2014	PROTOTYPE: $
		2015	ALIAS:
		2016	swap_defav = 1
		2017	CODE:
		2018	if (!self->slot)
		2019	croak ("cannot swap state with coroutine that has no saved state");
		2020	else
		2021	{
		2022	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2023	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2024
		2025	SV tmp = src; src = dst; *dst = tmp;
		2026	}
1746		2027
1747	MODULE = Coro::State PACKAGE = Coro	2028	MODULE = Coro::State PACKAGE = Coro
1748		2029
1749	BOOT:	2030	BOOT:
1750	{	2031	{
1751	int i;	2032	int i;
1752		2033
1753	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1754	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1755	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2034	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2035	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2036	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1756		2037
1757	coro_current = coro_get_sv ("Coro::current", FALSE);	2038	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1758	SvREADONLY_on (coro_current);	2039	SvREADONLY_on (coro_current);
1759		2040
1760	coro_stash = gv_stashpv ("Coro", TRUE);	2041	coro_stash = gv_stashpv ("Coro", TRUE);
1761		2042
1762	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2043	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1792	PROTOTYPE: $	2073	PROTOTYPE: $
1793	CODE:	2074	CODE:
1794	SvREFCNT_dec (SvRV (coro_current));	2075	SvREFCNT_dec (SvRV (coro_current));
1795	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2076	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1796		2077
		2078	void
		2079	_set_readyhook (SV *hook)
		2080	PROTOTYPE: $
		2081	CODE:
		2082	LOCK;
		2083	SvREFCNT_dec (coro_readyhook);
		2084	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2085	UNLOCK;
		2086
1797	int	2087	int
1798	prio (Coro::State coro, int newprio = 0)	2088	prio (Coro::State coro, int newprio = 0)
1799	ALIAS:	2089	ALIAS:
1800	nice = 1	2090	nice = 1
1801	CODE:	2091	CODE:
…		…
1830	CODE:	2120	CODE:
1831	RETVAL = coro_nready;	2121	RETVAL = coro_nready;
1832	OUTPUT:	2122	OUTPUT:
1833	RETVAL	2123	RETVAL
1834		2124
1835	void
1836	throw (Coro::State self, SV *throw = &PL_sv_undef)
1837	PROTOTYPE: $;$
1838	CODE:
1839	SvREFCNT_dec (self->throw);
1840	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1841
1842	# for async_pool speedup	2125	# for async_pool speedup
1843	void	2126	void
1844	_pool_1 (SV *cb)	2127	_pool_1 (SV *cb)
1845	CODE:	2128	CODE:
1846	{	2129	{
1847	struct coro *coro = SvSTATE (coro_current);	2130	struct coro *coro = SvSTATE (coro_current);
1848	HV hv = (HV )SvRV (coro_current);	2131	HV hv = (HV )SvRV (coro_current);
1849	AV *defav = GvAV (PL_defgv);	2132	AV *defav = GvAV (PL_defgv);
1850	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2133	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1851	AV *invoke_av;	2134	AV *invoke_av;
1852	int i, len;	2135	int i, len;
1853		2136
1854	if (!invoke)	2137	if (!invoke)
		2138	{
		2139	SV *old = PL_diehook;
		2140	PL_diehook = 0;
		2141	SvREFCNT_dec (old);
1855	croak ("\3async_pool terminate\2\n");	2142	croak ("\3async_pool terminate\2\n");
		2143	}
1856		2144
1857	SvREFCNT_dec (coro->saved_deffh);	2145	SvREFCNT_dec (coro->saved_deffh);
1858	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2146	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1859		2147
1860	hv_store (hv, "desc", sizeof ("desc") - 1,	2148	hv_store (hv, "desc", sizeof ("desc") - 1,
1861	newSVpvn (strpair ("[async_pool]")), 0);	2149	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1862		2150
1863	invoke_av = (AV *)SvRV (invoke);	2151	invoke_av = (AV *)SvRV (invoke);
1864	len = av_len (invoke_av);	2152	len = av_len (invoke_av);
1865		2153
1866	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2154	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1886	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2174	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1887	coro->saved_deffh = 0;	2175	coro->saved_deffh = 0;
1888		2176
1889	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2177	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1890	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2178	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2179	{
		2180	SV *old = PL_diehook;
		2181	PL_diehook = 0;
		2182	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2183	croak ("\3async_pool terminate\2\n");
		2184	}
1892		2185
1893	av_clear (GvAV (PL_defgv));	2186	av_clear (GvAV (PL_defgv));
1894	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2187	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1895	newSVpvn (strpair ("[async_pool idle]")), 0);	2188	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1896		2189
1897	coro->prio = 0;	2190	coro->prio = 0;
1898		2191
1899	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2192	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1900	api_trace (coro_current, 0);	2193	api_trace (coro_current, 0);
1901		2194
1902	av_push (av_async_pool, newSVsv (coro_current));	2195	av_push (av_async_pool, newSVsv (coro_current));
1903	}	2196	}
		2197
		2198	#if 0
		2199
		2200	void
		2201	_generator_call (...)
		2202	PROTOTYPE: @
		2203	PPCODE:
		2204	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2205	xxxx
		2206	abort ();
		2207
		2208	SV *
		2209	gensub (SV *sub, ...)
		2210	PROTOTYPE: &;@
		2211	CODE:
		2212	{
		2213	struct coro *coro;
		2214	MAGIC *mg;
		2215	CV *xcv;
		2216	CV ncv = (CV )newSV_type (SVt_PVCV);
		2217	int i;
		2218
		2219	CvGV (ncv) = CvGV (cv);
		2220	CvFILE (ncv) = CvFILE (cv);
		2221
		2222	Newz (0, coro, 1, struct coro);
		2223	coro->args = newAV ();
		2224	coro->flags = CF_NEW;
		2225
		2226	av_extend (coro->args, items - 1);
		2227	for (i = 1; i < items; i++)
		2228	av_push (coro->args, newSVsv (ST (i)));
		2229
		2230	CvISXSUB_on (ncv);
		2231	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2232
		2233	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2234
		2235	CvXSUB (ncv) = CvXSUB (xcv);
		2236	CvANON_on (ncv);
		2237
		2238	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2239	RETVAL = newRV_noinc ((SV *)ncv);
		2240	}
		2241	OUTPUT:
		2242	RETVAL
		2243
		2244	#endif
1904		2245
1905		2246
1906	MODULE = Coro::State PACKAGE = Coro::AIO	2247	MODULE = Coro::State PACKAGE = Coro::AIO
1907		2248
1908	SV *	2249	SV *
…		…
1935	PL_laststype = data->laststype;	2276	PL_laststype = data->laststype;
1936	PL_laststatval = data->laststatval;	2277	PL_laststatval = data->laststatval;
1937	PL_statcache = data->statcache;	2278	PL_statcache = data->statcache;
1938	}	2279	}
1939		2280
		2281
		2282	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2283
		2284	BOOT:
		2285	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2286
		2287	SV *
		2288	_schedule (...)
		2289	PROTOTYPE: @
		2290	CODE:
		2291	{
		2292	static int incede;
		2293
		2294	api_cede_notself ();
		2295
		2296	++incede;
		2297	while (coro_nready >= incede && api_cede ())
		2298	;
		2299
		2300	sv_setsv (sv_activity, &PL_sv_undef);
		2301	if (coro_nready >= incede)
		2302	{
		2303	PUSHMARK (SP);
		2304	PUTBACK;
		2305	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2306	SPAGAIN;
		2307	}
		2308
		2309	--incede;
		2310	}
		2311
		2312
		2313	MODULE = Coro::State PACKAGE = PerlIO::cede
		2314
		2315	BOOT:
		2316	PerlIO_define_layer (aTHX_ &PerlIO_cede);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs. Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC