[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 1.245 by root, Mon Sep 22 05:40:21 2008 UTC

…		…
10	#include "patchlevel.h"	10	#include "patchlevel.h"
11		11
12	#include <stdio.h>	12	#include <stdio.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <assert.h>	14	#include <assert.h>
		15
		16	#ifdef WIN32
		17	# undef setjmp
		18	# undef longjmp
		19	# undef _exit
		20	# define setjmp _setjmp // deep magic, don't ask
		21	#else
		22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
15		24
16	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
17	# include <unistd.h>	26	# include <unistd.h>
18	# include <sys/mman.h>	27	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
73	# endif	82	# endif
74	#endif	83	#endif
75		84
		85	/* 5.8.8 */
		86	#ifndef GV_NOTQUAL
		87	# define GV_NOTQUAL 0
		88	#endif
		89	#ifndef newSV
		90	# define newSV(l) NEWSV(0,l)
		91	#endif
		92
		93	/* 5.11 */
		94	#ifndef CxHASARGS
		95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		96	#endif
		97
76	/* 5.8.7 */	98	/* 5.8.7 */
77	#ifndef SvRV_set	99	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	100	# 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	101	#endif
88		102
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
91	#endif	105	#endif
…		…
130	#else	144	#else
131	# define LOCK (void)0	145	# define LOCK (void)0
132	# define UNLOCK (void)0	146	# define UNLOCK (void)0
133	#endif	147	#endif
134		148
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	149	/* helper storage struct for Coro::AIO */
138	struct io_state	150	struct io_state
139	{	151	{
140	int errorno;	152	int errorno;
141	I32 laststype;	153	I32 laststype;
…		…
146	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
152		164
153	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
155		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	169	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		170
160	/* async_pool helper stuff */	171	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	173	static SV *sv_pool_size;
163	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
164		178
165	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
167		181
168	enum {	182	enum {
…		…
221		235
222	/* process data */	236	/* process data */
223	AV *mainstack;	237	AV *mainstack;
224	perl_slots slot; / basically the saved sp */	238	perl_slots slot; / basically the saved sp */
225		239
226	/* data associated with this coroutine (initial args) */	240	AV args; / data associated with this coroutine (initial args) */
227	AV *args;	241	int refcnt; /* coroutines are refcounted, yes */
228	int refcnt;
229	int flags; /* CF_ flags */	242	int flags; /* CF_ flags */
		243	HV hv; / the perl hash associated with this coro, if any */
230		244
231	/* statistics */	245	/* statistics */
232	int usecount; /* number of transfers to this coro */	246	int usecount; /* number of transfers to this coro */
233		247
234	/* coro process data */	248	/* coro process data */
235	int prio;	249	int prio;
236	SV *throw;	250	SV throw; / exception to be thrown */
237		251
238	/* async_pool */	252	/* async_pool */
239	SV *saved_deffh;	253	SV *saved_deffh;
240		254
241	/* linked list */	255	/* linked list */
242	struct coro next, prev;	256	struct coro next, prev;
243	HV hv; / the perl hash associated with this coro, if any */
244	};	257	};
245		258
246	typedef struct coro *Coro__State;	259	typedef struct coro *Coro__State;
247	typedef struct coro *Coro__State_or_hashref;	260	typedef struct coro *Coro__State_or_hashref;
248		261
…		…
255	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
256	#define PRIO_MIN -4	269	#define PRIO_MIN -4
257		270
258	/* for Coro.pm */	271	/* for Coro.pm */
259	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
261	static int coro_nready;	275	static int coro_nready;
262	static struct coro *coro_first;	276	static struct coro *coro_first;
263		277
264	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
265		279
266	static SV *	280	static SV *
267	coro_get_sv (const char *name, int create)	281	coro_get_sv (pTHX_ const char *name, int create)
268	{	282	{
269	#if PERL_VERSION_ATLEAST (5,9,0)	283	#if PERL_VERSION_ATLEAST (5,10,0)
270	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	284	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
271	get_sv (name, create);	285	get_sv (name, create);
272	#endif	286	#endif
273	return get_sv (name, create);	287	return get_sv (name, create);
274	}	288	}
275		289
276	static AV *	290	static AV *
277	coro_get_av (const char *name, int create)	291	coro_get_av (pTHX_ const char *name, int create)
278	{	292	{
279	#if PERL_VERSION_ATLEAST (5,9,0)	293	#if PERL_VERSION_ATLEAST (5,10,0)
280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	294	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
281	get_av (name, create);	295	get_av (name, create);
282	#endif	296	#endif
283	return get_av (name, create);	297	return get_av (name, create);
284	}	298	}
285		299
286	static HV *	300	static HV *
287	coro_get_hv (const char *name, int create)	301	coro_get_hv (pTHX_ const char *name, int create)
288	{	302	{
289	#if PERL_VERSION_ATLEAST (5,9,0)	303	#if PERL_VERSION_ATLEAST (5,10,0)
290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	304	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
291	get_hv (name, create);	305	get_hv (name, create);
292	#endif	306	#endif
293	return get_hv (name, create);	307	return get_hv (name, create);
294	}	308	}
…		…
299	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
300	AV newpadlist, newpad;	314	AV newpadlist, newpad;
301		315
302	newpadlist = newAV ();	316	newpadlist = newAV ();
303	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
304	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
306	#else	320	#else
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
308	#endif	322	#endif
309	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
347		361
348	/* casting is fun. */	362	/* casting is fun. */
349	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
350	free_padlist (aTHX_ padlist);	364	free_padlist (aTHX_ padlist);
351		365
352	SvREFCNT_dec (av);	366	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
353		367
354	return 0;	368	return 0;
355	}	369	}
356		370
357	#define PERL_MAGIC_coro PERL_MAGIC_ext	371	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		372	#define CORO_MAGIC_type_state PERL_MAGIC_ext
358		373
359	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	374	static MGVTBL coro_cv_vtbl = {
		375	0, 0, 0, 0,
		376	coro_cv_free
		377	};
360		378
361	#define CORO_MAGIC(cv) \	379	#define CORO_MAGIC(sv,type) \
362	SvMAGIC (cv) \	380	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	381	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	382	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	383	: mg_find (sv, type) \
366	: 0	384	: 0
		385
		386	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		387	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
367		388
368	static struct coro *	389	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	390	SvSTATE_ (pTHX_ SV *coro)
370	{	391	{
371	HV *stash;	392	HV *stash;
…		…
383	/* very slow, but rare, check */	404	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	406	croak ("Coro::State object required");
386	}	407	}
387		408
388	mg = CORO_MAGIC (coro);	409	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	410	return (struct coro *)mg->mg_ptr;
390	}	411	}
391		412
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		414
394	/* the next two functions merely cache the padlists */	415	/* the next two functions merely cache the padlists */
395	static void	416	static void
396	get_padlist (pTHX_ CV *cv)	417	get_padlist (pTHX_ CV *cv)
397	{	418	{
398	MAGIC *mg = CORO_MAGIC (cv);	419	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	420	AV *av;
400		421
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	422	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	423	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	424	else
404	{	425	{
405	#if CORO_PREFER_PERL_FUNCTIONS	426	#if CORO_PREFER_PERL_FUNCTIONS
406	/* this is probably cleaner, but also slower? */	427	/* this is probably cleaner? but also slower! */
		428	/* in practise, it seems to be less stable */
407	CV *cp = Perl_cv_clone (cv);	429	CV *cp = Perl_cv_clone (cv);
408	CvPADLIST (cv) = CvPADLIST (cp);	430	CvPADLIST (cv) = CvPADLIST (cp);
409	CvPADLIST (cp) = 0;	431	CvPADLIST (cp) = 0;
410	SvREFCNT_dec (cp);	432	SvREFCNT_dec (cp);
411	#else	433	#else
…		…
415	}	437	}
416		438
417	static void	439	static void
418	put_padlist (pTHX_ CV *cv)	440	put_padlist (pTHX_ CV *cv)
419	{	441	{
420	MAGIC *mg = CORO_MAGIC (cv);	442	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	443	AV *av;
422		444
423	if (expect_false (!mg))	445	if (expect_false (!mg))
424	{	446	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		447
431	av = (AV *)mg->mg_obj;	448	av = (AV *)mg->mg_obj;
432		449
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	450	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	451	av_extend (av, AvMAX (av) + 1);
…		…
452	GvSV (irsgv) = slot->irsgv;	469	GvSV (irsgv) = slot->irsgv;
453		470
454	#define VAR(name,type) PL_ ## name = slot->name;	471	#define VAR(name,type) PL_ ## name = slot->name;
455	# include "state.h"	472	# include "state.h"
456	#undef VAR	473	#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		474
461	{	475	{
462	dSP;	476	dSP;
463		477
464	CV *cv;	478	CV *cv;
…		…
503		517
504	if (expect_true (CvDEPTH (cv)))	518	if (expect_true (CvDEPTH (cv)))
505	{	519	{
506	EXTEND (SP, 3);	520	EXTEND (SP, 3);
507	PUSHs ((SV *)CvPADLIST (cv));	521	PUSHs ((SV *)CvPADLIST (cv));
508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	522	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
509	PUSHs ((SV *)cv);	523	PUSHs ((SV *)cv);
510		524
511	CvDEPTH (cv) = 0;	525	CvDEPTH (cv) = 0;
512	get_padlist (aTHX_ cv);	526	get_padlist (aTHX_ cv);
513	}	527	}
…		…
557	* allocate various perl stacks. This is an exact copy	571	* allocate various perl stacks. This is an exact copy
558	* of perl.c:init_stacks, except that it uses less memory	572	* of perl.c:init_stacks, except that it uses less memory
559	* on the (sometimes correct) assumption that coroutines do	573	* on the (sometimes correct) assumption that coroutines do
560	* not usually need a lot of stackspace.	574	* not usually need a lot of stackspace.
561	*/	575	*/
562	#if 1	576	#if CORO_PREFER_PERL_FUNCTIONS
563	# define coro_init_stacks init_stacks	577	# define coro_init_stacks init_stacks
564	#else	578	#else
565	static void	579	static void
566	coro_init_stacks (pTHX)	580	coro_init_stacks (pTHX)
567	{	581	{
…		…
593		607
594	New(54,PL_savestack,24,ANY);	608	New(54,PL_savestack,24,ANY);
595	PL_savestack_ix = 0;	609	PL_savestack_ix = 0;
596	PL_savestack_max = 24;	610	PL_savestack_max = 24;
597		611
598	#if !PERL_VERSION_ATLEAST (5,9,0)	612	#if !PERL_VERSION_ATLEAST (5,10,0)
599	New(54,PL_retstack,4,OP*);	613	New(54,PL_retstack,4,OP*);
600	PL_retstack_ix = 0;	614	PL_retstack_ix = 0;
601	PL_retstack_max = 4;	615	PL_retstack_max = 4;
602	#endif	616	#endif
603	}	617	}
…		…
626		640
627	Safefree (PL_tmps_stack);	641	Safefree (PL_tmps_stack);
628	Safefree (PL_markstack);	642	Safefree (PL_markstack);
629	Safefree (PL_scopestack);	643	Safefree (PL_scopestack);
630	Safefree (PL_savestack);	644	Safefree (PL_savestack);
631	#if !PERL_VERSION_ATLEAST (5,9,0)	645	#if !PERL_VERSION_ATLEAST (5,10,0)
632	Safefree (PL_retstack);	646	Safefree (PL_retstack);
633	#endif	647	#endif
634	}	648	}
635		649
636	static size_t	650	static size_t
…		…
652	#undef VAR	666	#undef VAR
653	}	667	}
654	else	668	else
655	slot = coro->slot;	669	slot = coro->slot;
656		670
		671	if (slot)
		672	{
657	rss += sizeof (slot->curstackinfo);	673	rss += sizeof (slot->curstackinfo);
658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	674	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	675	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
660	rss += slot->tmps_max * sizeof (SV *);	676	rss += slot->tmps_max * sizeof (SV *);
661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	677	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
662	rss += slot->scopestack_max * sizeof (I32);	678	rss += slot->scopestack_max * sizeof (I32);
663	rss += slot->savestack_max * sizeof (ANY);	679	rss += slot->savestack_max * sizeof (ANY);
664		680
665	#if !PERL_VERSION_ATLEAST (5,9,0)	681	#if !PERL_VERSION_ATLEAST (5,10,0)
666	rss += slot->retstack_max * sizeof (OP *);	682	rss += slot->retstack_max * sizeof (OP *);
667	#endif	683	#endif
		684	}
668	}	685	}
669		686
670	return rss;	687	return rss;
671	}	688	}
672		689
673	/ coroutine stack handling **********************************************/	690	/ coroutine stack handling **********************************************/
		691
		692	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		693	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		694	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		695
		696	/* apparently < 5.8.8 */
		697	#ifndef MgPV_nolen_const
		698	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		699	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		700	(const char*)(mg)->mg_ptr)
		701	#endif
		702
		703	/*
		704	* This overrides the default magic get method of %SIG elements.
		705	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		706	* and instead of tryign to save and restore the hash elements, we just provide
		707	* readback here.
		708	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		709	* not expecting this to actually change the hook. This is a potential problem
		710	* when a schedule happens then, but we ignore this.
		711	*/
		712	static int
		713	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		714	{
		715	const char *s = MgPV_nolen_const (mg);
		716
		717	if (*s == '_')
		718	{
		719	SV **svp = 0;
		720
		721	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		722	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		723
		724	if (svp)
		725	{
		726	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		727	return 0;
		728	}
		729	}
		730
		731	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		732	}
		733
		734	static int
		735	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		736	{
		737	const char *s = MgPV_nolen_const (mg);
		738
		739	if (*s == '_')
		740	{
		741	SV **svp = 0;
		742
		743	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		744	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		745
		746	if (svp)
		747	{
		748	SV old = svp;
		749	*svp = 0;
		750	SvREFCNT_dec (old);
		751	return 0;
		752	}
		753	}
		754
		755	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_set (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 = newSVsv (sv);
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		780	}
674		781
675	static void	782	static void
676	coro_setup (pTHX_ struct coro *coro)	783	coro_setup (pTHX_ struct coro *coro)
677	{	784	{
678	/*	785	/*
…		…
687	PL_curpm = 0;	794	PL_curpm = 0;
688	PL_curpad = 0;	795	PL_curpad = 0;
689	PL_localizing = 0;	796	PL_localizing = 0;
690	PL_dirty = 0;	797	PL_dirty = 0;
691	PL_restartop = 0;	798	PL_restartop = 0;
692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	799	#if PERL_VERSION_ATLEAST (5,10,0)
693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	800	PL_parser = 0;
		801	#endif
		802
		803	/* recreate the die/warn hooks */
		804	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		805	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
694		806
695	GvSV (PL_defgv) = newSV (0);	807	GvSV (PL_defgv) = newSV (0);
696	GvAV (PL_defgv) = coro->args; coro->args = 0;	808	GvAV (PL_defgv) = coro->args; coro->args = 0;
697	GvSV (PL_errgv) = newSV (0);	809	GvSV (PL_errgv) = newSV (0);
698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	810	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
713	PL_op = (OP *)&myop;	825	PL_op = (OP *)&myop;
714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	826	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
715	SPAGAIN;	827	SPAGAIN;
716	}	828	}
717		829
718	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	830	/* this newly created coroutine might be run on an existing cctx which most
		831	* likely was suspended in set_stacklevel, called from entersub.
		832	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		833	* so we ENTER here for symmetry
		834	*/
		835	ENTER;
719	}	836	}
720		837
721	static void	838	static void
722	coro_destroy (pTHX_ struct coro *coro)	839	coro_destroy (pTHX_ struct coro *coro)
723	{	840	{
…		…
807	PUSHMARK (SP);	924	PUSHMARK (SP);
808	PUSHs (&PL_sv_no);	925	PUSHs (&PL_sv_no);
809	PUSHs (fullname);	926	PUSHs (fullname);
810	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	927	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
811	PUTBACK;	928	PUTBACK;
812	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	929	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);	930	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
814	SPAGAIN;	931	SPAGAIN;
815	FREETMPS;	932	FREETMPS;
816	LEAVE;	933	LEAVE;
817	PL_runops = runops_trace;	934	PL_runops = runops_trace;
…		…
844	SAVETMPS;	961	SAVETMPS;
845	EXTEND (SP, 3);	962	EXTEND (SP, 3);
846	PUSHMARK (SP);	963	PUSHMARK (SP);
847	PUSHs (&PL_sv_yes);	964	PUSHs (&PL_sv_yes);
848	PUSHs (fullname);	965	PUSHs (fullname);
849	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	966	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
850	PUTBACK;	967	PUTBACK;
851	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	968	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);	969	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
853	SPAGAIN;	970	SPAGAIN;
854	FREETMPS;	971	FREETMPS;
855	LEAVE;	972	LEAVE;
856	PL_runops = runops_trace;	973	PL_runops = runops_trace;
…		…
870	PL_runops = RUNOPS_DEFAULT;	987	PL_runops = RUNOPS_DEFAULT;
871	PUSHMARK (SP);	988	PUSHMARK (SP);
872	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	989	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
873	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	990	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
874	PUTBACK;	991	PUTBACK;
875	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	992	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);	993	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
877	SPAGAIN;	994	SPAGAIN;
878	FREETMPS;	995	FREETMPS;
879	LEAVE;	996	LEAVE;
880	PL_runops = runops_trace;	997	PL_runops = runops_trace;
…		…
1070	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1187	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1071		1188
1072	if (expect_false (next->flags & CF_DESTROYED))	1189	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");	1190	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1074		1191
1075	if (
1076	#if PERL_VERSION_ATLEAST (5,9,0)	1192	#if !PERL_VERSION_ATLEAST (5,10,0)
1077	expect_false (PL_parser)
1078	#else
1079	expect_false (PL_lex_state != LEX_NOTPARSING)	1193	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1080	#endif
1081	)
1082	croak ("Coro::State::transfer called while parsing, but this is not supported");	1194	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1195	#endif
1083	}	1196	}
1084	}	1197	}
1085		1198
1086	/* always use the TRANSFER macro */	1199	/* always use the TRANSFER macro */
1087	static void NOINLINE	1200	static void NOINLINE
1088	transfer (pTHX_ struct coro prev, struct coro next)	1201	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1089	{	1202	{
1090	dSTACKLEVEL;	1203	dSTACKLEVEL;
		1204	static volatile int has_throw;
1091		1205
1092	/* sometimes transfer is only called to set idle_sp */	1206	/* sometimes transfer is only called to set idle_sp */
1093	if (expect_false (!next))	1207	if (expect_false (!next))
1094	{	1208	{
1095	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1209	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1110	prev->flags &= ~CF_RUNNING;	1224	prev->flags &= ~CF_RUNNING;
1111	next->flags \|= CF_RUNNING;	1225	next->flags \|= CF_RUNNING;
1112		1226
1113	LOCK;	1227	LOCK;
1114		1228
		1229	/* first get rid of the old state */
		1230	save_perl (aTHX_ prev);
		1231
1115	if (expect_false (next->flags & CF_NEW))	1232	if (expect_false (next->flags & CF_NEW))
1116	{	1233	{
1117	/* need to start coroutine */	1234	/* need to start coroutine */
1118	next->flags &= ~CF_NEW;	1235	next->flags &= ~CF_NEW;
1119	/* first get rid of the old state */
1120	save_perl (aTHX_ prev);
1121	/* setup coroutine call */	1236	/* setup coroutine call */
1122	coro_setup (aTHX_ next);	1237	coro_setup (aTHX_ next);
1123	}	1238	}
1124	else	1239	else
1125	{
1126	/* coroutine already started */
1127	save_perl (aTHX_ prev);
1128	load_perl (aTHX_ next);	1240	load_perl (aTHX_ next);
1129	}
1130		1241
1131	prev__cctx = prev->cctx;	1242	prev__cctx = prev->cctx;
1132		1243
1133	/* possibly "free" the cctx */	1244	/* possibly "free" the cctx */
1134	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1245	if (expect_true (
		1246	prev__cctx->idle_sp == STACKLEVEL
		1247	&& !(prev__cctx->flags & CC_TRACE)
		1248	&& !force_cctx
		1249	))
1135	{	1250	{
1136	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1251	/* 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));	1252	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1138		1253
1139	prev->cctx = 0;	1254	prev->cctx = 0;
…		…
1149		1264
1150	++next->usecount;	1265	++next->usecount;
1151		1266
1152	if (expect_true (!next->cctx))	1267	if (expect_true (!next->cctx))
1153	next->cctx = cctx_get (aTHX);	1268	next->cctx = cctx_get (aTHX);
		1269
		1270	has_throw = !!next->throw;
1154		1271
1155	if (expect_false (prev__cctx != next->cctx))	1272	if (expect_false (prev__cctx != next->cctx))
1156	{	1273	{
1157	prev__cctx->top_env = PL_top_env;	1274	prev__cctx->top_env = PL_top_env;
1158	PL_top_env = next->cctx->top_env;	1275	PL_top_env = next->cctx->top_env;
…		…
1160	}	1277	}
1161		1278
1162	free_coro_mortal (aTHX);	1279	free_coro_mortal (aTHX);
1163	UNLOCK;	1280	UNLOCK;
1164		1281
1165	if (expect_false (prev->throw \|\| next->throw))	1282	if (expect_false (has_throw))
1166	{	1283	{
1167	struct coro *coro = SvSTATE (coro_current);	1284	struct coro *coro = SvSTATE (coro_current);
1168		1285
1169	if (coro->throw)	1286	if (coro->throw)
1170	{	1287	{
…		…
1180	struct transfer_args	1297	struct transfer_args
1181	{	1298	{
1182	struct coro prev, next;	1299	struct coro prev, next;
1183	};	1300	};
1184		1301
1185	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1302	#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)	1303	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1187		1304
1188	/ high level stuff ******************************************************/	1305	/ high level stuff ******************************************************/
1189		1306
1190	static int	1307	static int
…		…
1284	{	1401	{
1285	dTHX;	1402	dTHX;
1286	struct transfer_args ta;	1403	struct transfer_args ta;
1287		1404
1288	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1405	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1289	TRANSFER (ta);	1406	TRANSFER (ta, 1);
1290	}	1407	}
1291		1408
1292	/ Coro ******************************************************************/	1409	/ Coro ******************************************************************/
1293		1410
1294	static void	1411	static void
…		…
1296	{	1413	{
1297	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1414	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1298	}	1415	}
1299		1416
1300	static SV *	1417	static SV *
1301	coro_deq (pTHX_ int min_prio)	1418	coro_deq (pTHX)
1302	{	1419	{
1303	int prio = PRIO_MAX - PRIO_MIN;	1420	int prio;
1304		1421
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; )	1422	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1310	if (AvFILLp (coro_ready [prio]) >= 0)	1423	if (AvFILLp (coro_ready [prio]) >= 0)
1311	return av_shift (coro_ready [prio]);	1424	return av_shift (coro_ready [prio]);
1312		1425
1313	return 0;	1426	return 0;
1314	}	1427	}
…		…
1316	static int	1429	static int
1317	api_ready (SV *coro_sv)	1430	api_ready (SV *coro_sv)
1318	{	1431	{
1319	dTHX;	1432	dTHX;
1320	struct coro *coro;	1433	struct coro *coro;
		1434	SV *sv_hook;
		1435	void (*xs_hook)(void);
1321		1436
1322	if (SvROK (coro_sv))	1437	if (SvROK (coro_sv))
1323	coro_sv = SvRV (coro_sv);	1438	coro_sv = SvRV (coro_sv);
1324		1439
1325	coro = SvSTATE (coro_sv);	1440	coro = SvSTATE (coro_sv);
…		…
1328	return 0;	1443	return 0;
1329		1444
1330	coro->flags \|= CF_READY;	1445	coro->flags \|= CF_READY;
1331		1446
1332	LOCK;	1447	LOCK;
		1448
		1449	sv_hook = coro_nready ? 0 : coro_readyhook;
		1450	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1451
1333	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1452	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1334	++coro_nready;	1453	++coro_nready;
		1454
1335	UNLOCK;	1455	UNLOCK;
		1456
		1457	if (sv_hook)
		1458	{
		1459	dSP;
		1460
		1461	ENTER;
		1462	SAVETMPS;
		1463
		1464	PUSHMARK (SP);
		1465	PUTBACK;
		1466	call_sv (sv_hook, G_DISCARD);
		1467	SPAGAIN;
		1468
		1469	FREETMPS;
		1470	LEAVE;
		1471	}
		1472
		1473	if (xs_hook)
		1474	xs_hook ();
1336		1475
1337	return 1;	1476	return 1;
1338	}	1477	}
1339		1478
1340	static int	1479	static int
…		…
1350	SV prev_sv, next_sv;	1489	SV prev_sv, next_sv;
1351		1490
1352	for (;;)	1491	for (;;)
1353	{	1492	{
1354	LOCK;	1493	LOCK;
1355	next_sv = coro_deq (aTHX_ PRIO_MIN);	1494	next_sv = coro_deq (aTHX);
1356		1495
1357	/* nothing to schedule: call the idle handler */	1496	/* nothing to schedule: call the idle handler */
1358	if (expect_false (!next_sv))	1497	if (expect_false (!next_sv))
1359	{	1498	{
1360	dSP;	1499	dSP;
…		…
1364	SAVETMPS;	1503	SAVETMPS;
1365		1504
1366	PUSHMARK (SP);	1505	PUSHMARK (SP);
1367	PUTBACK;	1506	PUTBACK;
1368	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1507	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1508	SPAGAIN;
1369		1509
1370	FREETMPS;	1510	FREETMPS;
1371	LEAVE;	1511	LEAVE;
1372	continue;	1512	continue;
1373	}	1513	}
…		…
1428	{	1568	{
1429	dTHX;	1569	dTHX;
1430	struct transfer_args ta;	1570	struct transfer_args ta;
1431		1571
1432	prepare_schedule (aTHX_ &ta);	1572	prepare_schedule (aTHX_ &ta);
1433	TRANSFER (ta);	1573	TRANSFER (ta, 1);
1434	}	1574	}
1435		1575
1436	static int	1576	static int
1437	api_cede (void)	1577	api_cede (void)
1438	{	1578	{
…		…
1441		1581
1442	prepare_cede (aTHX_ &ta);	1582	prepare_cede (aTHX_ &ta);
1443		1583
1444	if (expect_true (ta.prev != ta.next))	1584	if (expect_true (ta.prev != ta.next))
1445	{	1585	{
1446	TRANSFER (ta);	1586	TRANSFER (ta, 1);
1447	return 1;	1587	return 1;
1448	}	1588	}
1449	else	1589	else
1450	return 0;	1590	return 0;
1451	}	1591	}
…		…
1456	dTHX;	1596	dTHX;
1457	struct transfer_args ta;	1597	struct transfer_args ta;
1458		1598
1459	if (prepare_cede_notself (aTHX_ &ta))	1599	if (prepare_cede_notself (aTHX_ &ta))
1460	{	1600	{
1461	TRANSFER (ta);	1601	TRANSFER (ta, 1);
1462	return 1;	1602	return 1;
1463	}	1603	}
1464	else	1604	else
1465	return 0;	1605	return 0;
1466	}	1606	}
…		…
1489	else	1629	else
1490	coro->slot->runops = RUNOPS_DEFAULT;	1630	coro->slot->runops = RUNOPS_DEFAULT;
1491	}	1631	}
1492	}	1632	}
1493		1633
		1634	static int
		1635	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1636	{
		1637	AV *padlist;
		1638	AV av = (AV )mg->mg_obj;
		1639
		1640	abort ();
		1641
		1642	return 0;
		1643	}
		1644
		1645	static MGVTBL coro_gensub_vtbl = {
		1646	0, 0, 0, 0,
		1647	coro_gensub_free
		1648	};
		1649
1494	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1650	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1495		1651
1496	PROTOTYPES: DISABLE	1652	PROTOTYPES: DISABLE
1497		1653
1498	BOOT:	1654	BOOT:
…		…
1503	BOOT_PAGESIZE;	1659	BOOT_PAGESIZE;
1504		1660
1505	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1661	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1506	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1662	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1507		1663
		1664	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1665	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1666	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1667
1508	hv_sig = coro_get_hv ("SIG", TRUE);	1668	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1509	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1669	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1510	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1670	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		1671
1515	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1672	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1516		1673
1517	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1674	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1518	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1675	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1523	main_top_env = PL_top_env;	1680	main_top_env = PL_top_env;
1524		1681
1525	while (main_top_env->je_prev)	1682	while (main_top_env->je_prev)
1526	main_top_env = main_top_env->je_prev;	1683	main_top_env = main_top_env->je_prev;
1527		1684
1528	coroapi.ver = CORO_API_VERSION;	1685	coroapi.ver = CORO_API_VERSION;
		1686	coroapi.rev = CORO_API_REVISION;
1529	coroapi.transfer = api_transfer;	1687	coroapi.transfer = api_transfer;
1530		1688
1531	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1689	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1532	}	1690	}
1533		1691
1534	SV *	1692	SV *
1535	new (char *klass, ...)	1693	new (char *klass, ...)
1536	CODE:	1694	CODE:
1537	{	1695	{
1538	struct coro *coro;	1696	struct coro *coro;
		1697	MAGIC *mg;
1539	HV *hv;	1698	HV *hv;
1540	int i;	1699	int i;
1541		1700
1542	Newz (0, coro, 1, struct coro);	1701	Newz (0, coro, 1, struct coro);
1543	coro->args = newAV ();	1702	coro->args = newAV ();
…		…
1546	if (coro_first) coro_first->prev = coro;	1705	if (coro_first) coro_first->prev = coro;
1547	coro->next = coro_first;	1706	coro->next = coro_first;
1548	coro_first = coro;	1707	coro_first = coro;
1549		1708
1550	coro->hv = hv = newHV ();	1709	coro->hv = hv = newHV ();
1551	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1710	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1711	mg->mg_flags \|= MGf_DUP;
1552	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1712	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1553		1713
1554	av_extend (coro->args, items - 1);	1714	av_extend (coro->args, items - 1);
1555	for (i = 1; i < items; i++)	1715	for (i = 1; i < items; i++)
1556	av_push (coro->args, newSVsv (ST (i)));	1716	av_push (coro->args, newSVsv (ST (i)));
…		…
1570	Coro::cede_notself = 4	1730	Coro::cede_notself = 4
1571	CODE:	1731	CODE:
1572	{	1732	{
1573	struct transfer_args ta;	1733	struct transfer_args ta;
1574		1734
		1735	PUTBACK;
1575	switch (ix)	1736	switch (ix)
1576	{	1737	{
1577	case 0:	1738	case 0:
1578	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1739	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1579	ta.next = 0;	1740	ta.next = 0;
…		…
1598	if (!prepare_cede_notself (aTHX_ &ta))	1759	if (!prepare_cede_notself (aTHX_ &ta))
1599	XSRETURN_EMPTY;	1760	XSRETURN_EMPTY;
1600		1761
1601	break;	1762	break;
1602	}	1763	}
		1764	SPAGAIN;
1603		1765
1604	BARRIER;	1766	BARRIER;
		1767	PUTBACK;
1605	TRANSFER (ta);	1768	TRANSFER (ta, 0);
1606		1769	SPAGAIN; /* might be the sp of a different coroutine now */
1607	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1770	/* be extra careful not to ever do anything after TRANSFER */
1608	XSRETURN_YES;
1609	}	1771	}
1610		1772
1611	bool	1773	bool
1612	_destroy (SV *coro_sv)	1774	_destroy (SV *coro_sv)
1613	CODE:	1775	CODE:
1614	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1776	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1615	OUTPUT:	1777	OUTPUT:
1616	RETVAL	1778	RETVAL
1617		1779
1618	void	1780	void
1619	_exit (code)	1781	_exit (int code)
1620	int code
1621	PROTOTYPE: $	1782	PROTOTYPE: $
1622	CODE:	1783	CODE:
1623	_exit (code);	1784	_exit (code);
1624		1785
1625	int	1786	int
…		…
1659	call (Coro::State coro, SV *coderef)	1820	call (Coro::State coro, SV *coderef)
1660	ALIAS:	1821	ALIAS:
1661	eval = 1	1822	eval = 1
1662	CODE:	1823	CODE:
1663	{	1824	{
1664	if (coro->mainstack)	1825	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1665	{	1826	{
1666	struct coro temp;	1827	struct coro temp;
1667		1828
1668	if (!(coro->flags & CF_RUNNING))	1829	if (!(coro->flags & CF_RUNNING))
1669	{	1830	{
		1831	PUTBACK;
1670	save_perl (aTHX_ &temp);	1832	save_perl (aTHX_ &temp);
1671	load_perl (aTHX_ coro);	1833	load_perl (aTHX_ coro);
1672	}	1834	}
1673		1835
1674	{	1836	{
1675	dSP;	1837	dSP;
1676	ENTER;	1838	ENTER;
1677	SAVETMPS;	1839	SAVETMPS;
		1840	PUTBACK;
		1841	PUSHSTACK;
1678	PUSHMARK (SP);	1842	PUSHMARK (SP);
1679	PUTBACK;
1680		1843
1681	if (ix)	1844	if (ix)
1682	eval_sv (coderef, 0);	1845	eval_sv (coderef, 0);
1683	else	1846	else
1684	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1847	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1685		1848
		1849	POPSTACK;
1686	SPAGAIN;	1850	SPAGAIN;
1687	FREETMPS;	1851	FREETMPS;
1688	LEAVE;	1852	LEAVE;
1689	PUTBACK;	1853	PUTBACK;
1690	}	1854	}
1691		1855
1692	if (!(coro->flags & CF_RUNNING))	1856	if (!(coro->flags & CF_RUNNING))
1693	{	1857	{
1694	save_perl (aTHX_ coro);	1858	save_perl (aTHX_ coro);
1695	load_perl (aTHX_ &temp);	1859	load_perl (aTHX_ &temp);
		1860	SPAGAIN;
1696	}	1861	}
1697	}	1862	}
1698	}	1863	}
1699		1864
1700	SV *	1865	SV *
…		…
1712		1877
1713	void	1878	void
1714	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1879	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1715		1880
1716	SV *	1881	SV *
1717	has_stack (Coro::State coro)	1882	has_cctx (Coro::State coro)
1718	PROTOTYPE: $	1883	PROTOTYPE: $
1719	CODE:	1884	CODE:
1720	RETVAL = boolSV (!!coro->cctx);	1885	RETVAL = boolSV (!!coro->cctx);
1721	OUTPUT:	1886	OUTPUT:
1722	RETVAL	1887	RETVAL
…		…
1741	case 1: RETVAL = coro->usecount; break;	1906	case 1: RETVAL = coro->usecount; break;
1742	}	1907	}
1743	OUTPUT:	1908	OUTPUT:
1744	RETVAL	1909	RETVAL
1745		1910
		1911	void
		1912	force_cctx ()
		1913	CODE:
		1914	struct coro *coro = SvSTATE (coro_current);
		1915	coro->cctx->idle_sp = 0;
		1916
		1917	void
		1918	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1919	PROTOTYPE: $;$
		1920	CODE:
		1921	SvREFCNT_dec (self->throw);
		1922	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1923
		1924	void
		1925	swap_defsv (Coro::State self)
		1926	PROTOTYPE: $
		1927	ALIAS:
		1928	swap_defav = 1
		1929	CODE:
		1930	if (!self->slot)
		1931	croak ("cannot swap state with coroutine that has no saved state");
		1932	else
		1933	{
		1934	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1935	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1936
		1937	SV tmp = src; src = dst; *dst = tmp;
		1938	}
1746		1939
1747	MODULE = Coro::State PACKAGE = Coro	1940	MODULE = Coro::State PACKAGE = Coro
1748		1941
1749	BOOT:	1942	BOOT:
1750	{	1943	{
1751	int i;	1944	int i;
1752		1945
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);	1946	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		1947	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		1948	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1756		1949
1757	coro_current = coro_get_sv ("Coro::current", FALSE);	1950	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1758	SvREADONLY_on (coro_current);	1951	SvREADONLY_on (coro_current);
1759		1952
1760	coro_stash = gv_stashpv ("Coro", TRUE);	1953	coro_stash = gv_stashpv ("Coro", TRUE);
1761		1954
1762	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1955	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1792	PROTOTYPE: $	1985	PROTOTYPE: $
1793	CODE:	1986	CODE:
1794	SvREFCNT_dec (SvRV (coro_current));	1987	SvREFCNT_dec (SvRV (coro_current));
1795	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1988	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1796		1989
		1990	void
		1991	_set_readyhook (SV *hook)
		1992	PROTOTYPE: $
		1993	CODE:
		1994	LOCK;
		1995	SvREFCNT_dec (coro_readyhook);
		1996	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1997	UNLOCK;
		1998
1797	int	1999	int
1798	prio (Coro::State coro, int newprio = 0)	2000	prio (Coro::State coro, int newprio = 0)
1799	ALIAS:	2001	ALIAS:
1800	nice = 1	2002	nice = 1
1801	CODE:	2003	CODE:
…		…
1830	CODE:	2032	CODE:
1831	RETVAL = coro_nready;	2033	RETVAL = coro_nready;
1832	OUTPUT:	2034	OUTPUT:
1833	RETVAL	2035	RETVAL
1834		2036
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	2037	# for async_pool speedup
1843	void	2038	void
1844	_pool_1 (SV *cb)	2039	_pool_1 (SV *cb)
1845	CODE:	2040	CODE:
1846	{	2041	{
1847	struct coro *coro = SvSTATE (coro_current);	2042	struct coro *coro = SvSTATE (coro_current);
1848	HV hv = (HV )SvRV (coro_current);	2043	HV hv = (HV )SvRV (coro_current);
1849	AV *defav = GvAV (PL_defgv);	2044	AV *defav = GvAV (PL_defgv);
1850	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2045	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1851	AV *invoke_av;	2046	AV *invoke_av;
1852	int i, len;	2047	int i, len;
1853		2048
1854	if (!invoke)	2049	if (!invoke)
		2050	{
		2051	SV *old = PL_diehook;
		2052	PL_diehook = 0;
		2053	SvREFCNT_dec (old);
1855	croak ("\3async_pool terminate\2\n");	2054	croak ("\3async_pool terminate\2\n");
		2055	}
1856		2056
1857	SvREFCNT_dec (coro->saved_deffh);	2057	SvREFCNT_dec (coro->saved_deffh);
1858	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2058	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1859		2059
1860	hv_store (hv, "desc", sizeof ("desc") - 1,	2060	hv_store (hv, "desc", sizeof ("desc") - 1,
1861	newSVpvn (strpair ("[async_pool]")), 0);	2061	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1862		2062
1863	invoke_av = (AV *)SvRV (invoke);	2063	invoke_av = (AV *)SvRV (invoke);
1864	len = av_len (invoke_av);	2064	len = av_len (invoke_av);
1865		2065
1866	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2066	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1886	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2086	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1887	coro->saved_deffh = 0;	2087	coro->saved_deffh = 0;
1888		2088
1889	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2089	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1890	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2090	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2091	{
		2092	SV *old = PL_diehook;
		2093	PL_diehook = 0;
		2094	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2095	croak ("\3async_pool terminate\2\n");
		2096	}
1892		2097
1893	av_clear (GvAV (PL_defgv));	2098	av_clear (GvAV (PL_defgv));
1894	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2099	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1895	newSVpvn (strpair ("[async_pool idle]")), 0);	2100	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1896		2101
1897	coro->prio = 0;	2102	coro->prio = 0;
1898		2103
1899	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2104	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1900	api_trace (coro_current, 0);	2105	api_trace (coro_current, 0);
1901		2106
1902	av_push (av_async_pool, newSVsv (coro_current));	2107	av_push (av_async_pool, newSVsv (coro_current));
1903	}	2108	}
		2109
		2110	#if 0
		2111
		2112	void
		2113	_generator_call (...)
		2114	PROTOTYPE: @
		2115	PPCODE:
		2116	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2117	xxxx
		2118	abort ();
		2119
		2120	SV *
		2121	gensub (SV *sub, ...)
		2122	PROTOTYPE: &;@
		2123	CODE:
		2124	{
		2125	struct coro *coro;
		2126	MAGIC *mg;
		2127	CV *xcv;
		2128	CV ncv = (CV )newSV_type (SVt_PVCV);
		2129	int i;
		2130
		2131	CvGV (ncv) = CvGV (cv);
		2132	CvFILE (ncv) = CvFILE (cv);
		2133
		2134	Newz (0, coro, 1, struct coro);
		2135	coro->args = newAV ();
		2136	coro->flags = CF_NEW;
		2137
		2138	av_extend (coro->args, items - 1);
		2139	for (i = 1; i < items; i++)
		2140	av_push (coro->args, newSVsv (ST (i)));
		2141
		2142	CvISXSUB_on (ncv);
		2143	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2144
		2145	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2146
		2147	CvXSUB (ncv) = CvXSUB (xcv);
		2148	CvANON_on (ncv);
		2149
		2150	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2151	RETVAL = newRV_noinc ((SV *)ncv);
		2152	}
		2153	OUTPUT:
		2154	RETVAL
		2155
		2156	#endif
1904		2157
1905		2158
1906	MODULE = Coro::State PACKAGE = Coro::AIO	2159	MODULE = Coro::State PACKAGE = Coro::AIO
1907		2160
1908	SV *	2161	SV *
…		…
1935	PL_laststype = data->laststype;	2188	PL_laststype = data->laststype;
1936	PL_laststatval = data->laststatval;	2189	PL_laststatval = data->laststatval;
1937	PL_statcache = data->statcache;	2190	PL_statcache = data->statcache;
1938	}	2191	}
1939		2192
		2193
		2194	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2195
		2196	BOOT:
		2197	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2198
		2199	SV *
		2200	_schedule (...)
		2201	PROTOTYPE: @
		2202	CODE:
		2203	{
		2204	static int incede;
		2205
		2206	api_cede_notself ();
		2207
		2208	++incede;
		2209	while (coro_nready >= incede && api_cede ())
		2210	;
		2211
		2212	sv_setsv (sv_activity, &PL_sv_undef);
		2213	if (coro_nready >= incede)
		2214	{
		2215	PUSHMARK (SP);
		2216	PUTBACK;
		2217	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2218	SPAGAIN;
		2219	}
		2220
		2221	--incede;
		2222	}
		2223

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Comparing Coro/Coro/State.xs (file contents): Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs. Revision 1.245 by root, Mon Sep 22 05:40:21 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.202 by root, Mon Oct 8 02:50:23 2007 UTC vs.
Revision 1.245 by root, Mon Sep 22 05:40:21 2008 UTC