[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 1.242 by root, Thu Aug 14 12:48:20 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);
353
354	return 0;	366	return 0;
355	}	367	}
356		368
357	#define PERL_MAGIC_coro PERL_MAGIC_ext	369	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		370	#define CORO_MAGIC_type_state PERL_MAGIC_ext
358		371
359	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	372	static MGVTBL coro_cv_vtbl = {
		373	0, 0, 0, 0,
		374	coro_cv_free
		375	};
360		376
361	#define CORO_MAGIC(cv) \	377	#define CORO_MAGIC(sv,type) \
362	SvMAGIC (cv) \	378	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	379	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	380	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	381	: mg_find (sv, type) \
366	: 0	382	: 0
		383
		384	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		385	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
367		386
368	static struct coro *	387	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	388	SvSTATE_ (pTHX_ SV *coro)
370	{	389	{
371	HV *stash;	390	HV *stash;
…		…
383	/* very slow, but rare, check */	402	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	403	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	404	croak ("Coro::State object required");
386	}	405	}
387		406
388	mg = CORO_MAGIC (coro);	407	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	408	return (struct coro *)mg->mg_ptr;
390	}	409	}
391		410
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	411	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		412
394	/* the next two functions merely cache the padlists */	413	/* the next two functions merely cache the padlists */
395	static void	414	static void
396	get_padlist (pTHX_ CV *cv)	415	get_padlist (pTHX_ CV *cv)
397	{	416	{
398	MAGIC *mg = CORO_MAGIC (cv);	417	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	418	AV *av;
400		419
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	422	else
…		…
415	}	434	}
416		435
417	static void	436	static void
418	put_padlist (pTHX_ CV *cv)	437	put_padlist (pTHX_ CV *cv)
419	{	438	{
420	MAGIC *mg = CORO_MAGIC (cv);	439	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	440	AV *av;
422		441
423	if (expect_false (!mg))	442	if (expect_false (!mg))
424	{	443	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		444
431	av = (AV *)mg->mg_obj;	445	av = (AV *)mg->mg_obj;
432		446
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	447	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	448	av_extend (av, AvMAX (av) + 1);
…		…
452	GvSV (irsgv) = slot->irsgv;	466	GvSV (irsgv) = slot->irsgv;
453		467
454	#define VAR(name,type) PL_ ## name = slot->name;	468	#define VAR(name,type) PL_ ## name = slot->name;
455	# include "state.h"	469	# include "state.h"
456	#undef VAR	470	#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		471
461	{	472	{
462	dSP;	473	dSP;
463		474
464	CV *cv;	475	CV *cv;
…		…
503		514
504	if (expect_true (CvDEPTH (cv)))	515	if (expect_true (CvDEPTH (cv)))
505	{	516	{
506	EXTEND (SP, 3);	517	EXTEND (SP, 3);
507	PUSHs ((SV *)CvPADLIST (cv));	518	PUSHs ((SV *)CvPADLIST (cv));
508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	519	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
509	PUSHs ((SV *)cv);	520	PUSHs ((SV *)cv);
510		521
511	CvDEPTH (cv) = 0;	522	CvDEPTH (cv) = 0;
512	get_padlist (aTHX_ cv);	523	get_padlist (aTHX_ cv);
513	}	524	}
…		…
557	* allocate various perl stacks. This is an exact copy	568	* allocate various perl stacks. This is an exact copy
558	* of perl.c:init_stacks, except that it uses less memory	569	* of perl.c:init_stacks, except that it uses less memory
559	* on the (sometimes correct) assumption that coroutines do	570	* on the (sometimes correct) assumption that coroutines do
560	* not usually need a lot of stackspace.	571	* not usually need a lot of stackspace.
561	*/	572	*/
562	#if 1	573	#if CORO_PREFER_PERL_FUNCTIONS
563	# define coro_init_stacks init_stacks	574	# define coro_init_stacks init_stacks
564	#else	575	#else
565	static void	576	static void
566	coro_init_stacks (pTHX)	577	coro_init_stacks (pTHX)
567	{	578	{
…		…
593		604
594	New(54,PL_savestack,24,ANY);	605	New(54,PL_savestack,24,ANY);
595	PL_savestack_ix = 0;	606	PL_savestack_ix = 0;
596	PL_savestack_max = 24;	607	PL_savestack_max = 24;
597		608
598	#if !PERL_VERSION_ATLEAST (5,9,0)	609	#if !PERL_VERSION_ATLEAST (5,10,0)
599	New(54,PL_retstack,4,OP*);	610	New(54,PL_retstack,4,OP*);
600	PL_retstack_ix = 0;	611	PL_retstack_ix = 0;
601	PL_retstack_max = 4;	612	PL_retstack_max = 4;
602	#endif	613	#endif
603	}	614	}
…		…
626		637
627	Safefree (PL_tmps_stack);	638	Safefree (PL_tmps_stack);
628	Safefree (PL_markstack);	639	Safefree (PL_markstack);
629	Safefree (PL_scopestack);	640	Safefree (PL_scopestack);
630	Safefree (PL_savestack);	641	Safefree (PL_savestack);
631	#if !PERL_VERSION_ATLEAST (5,9,0)	642	#if !PERL_VERSION_ATLEAST (5,10,0)
632	Safefree (PL_retstack);	643	Safefree (PL_retstack);
633	#endif	644	#endif
634	}	645	}
635		646
636	static size_t	647	static size_t
…		…
660	rss += slot->tmps_max * sizeof (SV *);	671	rss += slot->tmps_max * sizeof (SV *);
661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
662	rss += slot->scopestack_max * sizeof (I32);	673	rss += slot->scopestack_max * sizeof (I32);
663	rss += slot->savestack_max * sizeof (ANY);	674	rss += slot->savestack_max * sizeof (ANY);
664		675
665	#if !PERL_VERSION_ATLEAST (5,9,0)	676	#if !PERL_VERSION_ATLEAST (5,10,0)
666	rss += slot->retstack_max * sizeof (OP *);	677	rss += slot->retstack_max * sizeof (OP *);
667	#endif	678	#endif
668	}	679	}
669		680
670	return rss;	681	return rss;
671	}	682	}
672		683
673	/ coroutine stack handling **********************************************/	684	/ coroutine stack handling **********************************************/
		685
		686	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		687	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		688	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		689
		690	/* apparently < 5.8.8 */
		691	#ifndef MgPV_nolen_const
		692	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		693	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		694	(const char*)(mg)->mg_ptr)
		695	#endif
		696
		697	/*
		698	* This overrides the default magic get method of %SIG elements.
		699	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		700	* and instead of tryign to save and restore the hash elements, we just provide
		701	* readback here.
		702	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		703	* not expecting this to actually change the hook. This is a potential problem
		704	* when a schedule happens then, but we ignore this.
		705	*/
		706	static int
		707	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		708	{
		709	const char *s = MgPV_nolen_const (mg);
		710
		711	if (*s == '_')
		712	{
		713	SV **svp = 0;
		714
		715	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		716	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		717
		718	if (svp)
		719	{
		720	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		721	return 0;
		722	}
		723	}
		724
		725	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		726	}
		727
		728	static int
		729	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		730	{
		731	const char *s = MgPV_nolen_const (mg);
		732
		733	if (*s == '_')
		734	{
		735	SV **svp = 0;
		736
		737	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		738	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		739
		740	if (svp)
		741	{
		742	SV old = svp;
		743	*svp = 0;
		744	SvREFCNT_dec (old);
		745	return 0;
		746	}
		747	}
		748
		749	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		750	}
		751
		752	static int
		753	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		754	{
		755	const char *s = MgPV_nolen_const (mg);
		756
		757	if (*s == '_')
		758	{
		759	SV **svp = 0;
		760
		761	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		762	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		763
		764	if (svp)
		765	{
		766	SV old = svp;
		767	*svp = newSVsv (sv);
		768	SvREFCNT_dec (old);
		769	return 0;
		770	}
		771	}
		772
		773	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		774	}
674		775
675	static void	776	static void
676	coro_setup (pTHX_ struct coro *coro)	777	coro_setup (pTHX_ struct coro *coro)
677	{	778	{
678	/*	779	/*
…		…
687	PL_curpm = 0;	788	PL_curpm = 0;
688	PL_curpad = 0;	789	PL_curpad = 0;
689	PL_localizing = 0;	790	PL_localizing = 0;
690	PL_dirty = 0;	791	PL_dirty = 0;
691	PL_restartop = 0;	792	PL_restartop = 0;
692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	793	#if PERL_VERSION_ATLEAST (5,10,0)
693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	794	PL_parser = 0;
		795	#endif
		796
		797	/* recreate the die/warn hooks */
		798	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		799	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
694		800
695	GvSV (PL_defgv) = newSV (0);	801	GvSV (PL_defgv) = newSV (0);
696	GvAV (PL_defgv) = coro->args; coro->args = 0;	802	GvAV (PL_defgv) = coro->args; coro->args = 0;
697	GvSV (PL_errgv) = newSV (0);	803	GvSV (PL_errgv) = newSV (0);
698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	804	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
713	PL_op = (OP *)&myop;	819	PL_op = (OP *)&myop;
714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	820	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
715	SPAGAIN;	821	SPAGAIN;
716	}	822	}
717		823
718	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	824	/* this newly created coroutine might be run on an existing cctx which most
		825	* likely was suspended in set_stacklevel, called from entersub.
		826	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		827	* so we ENTER here for symmetry
		828	*/
		829	ENTER;
719	}	830	}
720		831
721	static void	832	static void
722	coro_destroy (pTHX_ struct coro *coro)	833	coro_destroy (pTHX_ struct coro *coro)
723	{	834	{
…		…
807	PUSHMARK (SP);	918	PUSHMARK (SP);
808	PUSHs (&PL_sv_no);	919	PUSHs (&PL_sv_no);
809	PUSHs (fullname);	920	PUSHs (fullname);
810	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	921	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
811	PUTBACK;	922	PUTBACK;
812	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	923	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);	924	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
814	SPAGAIN;	925	SPAGAIN;
815	FREETMPS;	926	FREETMPS;
816	LEAVE;	927	LEAVE;
817	PL_runops = runops_trace;	928	PL_runops = runops_trace;
…		…
844	SAVETMPS;	955	SAVETMPS;
845	EXTEND (SP, 3);	956	EXTEND (SP, 3);
846	PUSHMARK (SP);	957	PUSHMARK (SP);
847	PUSHs (&PL_sv_yes);	958	PUSHs (&PL_sv_yes);
848	PUSHs (fullname);	959	PUSHs (fullname);
849	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	960	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
850	PUTBACK;	961	PUTBACK;
851	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	962	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);	963	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
853	SPAGAIN;	964	SPAGAIN;
854	FREETMPS;	965	FREETMPS;
855	LEAVE;	966	LEAVE;
856	PL_runops = runops_trace;	967	PL_runops = runops_trace;
…		…
870	PL_runops = RUNOPS_DEFAULT;	981	PL_runops = RUNOPS_DEFAULT;
871	PUSHMARK (SP);	982	PUSHMARK (SP);
872	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	983	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
873	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	984	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
874	PUTBACK;	985	PUTBACK;
875	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	986	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);	987	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
877	SPAGAIN;	988	SPAGAIN;
878	FREETMPS;	989	FREETMPS;
879	LEAVE;	990	LEAVE;
880	PL_runops = runops_trace;	991	PL_runops = runops_trace;
…		…
1070	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1181	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1071		1182
1072	if (expect_false (next->flags & CF_DESTROYED))	1183	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");	1184	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1074		1185
1075	if (
1076	#if PERL_VERSION_ATLEAST (5,9,0)	1186	#if !PERL_VERSION_ATLEAST (5,10,0)
1077	expect_false (PL_parser)
1078	#else
1079	expect_false (PL_lex_state != LEX_NOTPARSING)	1187	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1080	#endif
1081	)
1082	croak ("Coro::State::transfer called while parsing, but this is not supported");	1188	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1189	#endif
1083	}	1190	}
1084	}	1191	}
1085		1192
1086	/* always use the TRANSFER macro */	1193	/* always use the TRANSFER macro */
1087	static void NOINLINE	1194	static void NOINLINE
1088	transfer (pTHX_ struct coro prev, struct coro next)	1195	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1089	{	1196	{
1090	dSTACKLEVEL;	1197	dSTACKLEVEL;
		1198	static volatile int has_throw;
1091		1199
1092	/* sometimes transfer is only called to set idle_sp */	1200	/* sometimes transfer is only called to set idle_sp */
1093	if (expect_false (!next))	1201	if (expect_false (!next))
1094	{	1202	{
1095	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1203	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1110	prev->flags &= ~CF_RUNNING;	1218	prev->flags &= ~CF_RUNNING;
1111	next->flags \|= CF_RUNNING;	1219	next->flags \|= CF_RUNNING;
1112		1220
1113	LOCK;	1221	LOCK;
1114		1222
		1223	/* first get rid of the old state */
		1224	save_perl (aTHX_ prev);
		1225
1115	if (expect_false (next->flags & CF_NEW))	1226	if (expect_false (next->flags & CF_NEW))
1116	{	1227	{
1117	/* need to start coroutine */	1228	/* need to start coroutine */
1118	next->flags &= ~CF_NEW;	1229	next->flags &= ~CF_NEW;
1119	/* first get rid of the old state */
1120	save_perl (aTHX_ prev);
1121	/* setup coroutine call */	1230	/* setup coroutine call */
1122	coro_setup (aTHX_ next);	1231	coro_setup (aTHX_ next);
1123	}	1232	}
1124	else	1233	else
1125	{
1126	/* coroutine already started */
1127	save_perl (aTHX_ prev);
1128	load_perl (aTHX_ next);	1234	load_perl (aTHX_ next);
1129	}
1130		1235
1131	prev__cctx = prev->cctx;	1236	prev__cctx = prev->cctx;
1132		1237
1133	/* possibly "free" the cctx */	1238	/* possibly "free" the cctx */
1134	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1239	if (expect_true (
		1240	prev__cctx->idle_sp == STACKLEVEL
		1241	&& !(prev__cctx->flags & CC_TRACE)
		1242	&& !force_cctx
		1243	))
1135	{	1244	{
1136	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1245	/* 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));	1246	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1138		1247
1139	prev->cctx = 0;	1248	prev->cctx = 0;
…		…
1149		1258
1150	++next->usecount;	1259	++next->usecount;
1151		1260
1152	if (expect_true (!next->cctx))	1261	if (expect_true (!next->cctx))
1153	next->cctx = cctx_get (aTHX);	1262	next->cctx = cctx_get (aTHX);
		1263
		1264	has_throw = !!next->throw;
1154		1265
1155	if (expect_false (prev__cctx != next->cctx))	1266	if (expect_false (prev__cctx != next->cctx))
1156	{	1267	{
1157	prev__cctx->top_env = PL_top_env;	1268	prev__cctx->top_env = PL_top_env;
1158	PL_top_env = next->cctx->top_env;	1269	PL_top_env = next->cctx->top_env;
…		…
1160	}	1271	}
1161		1272
1162	free_coro_mortal (aTHX);	1273	free_coro_mortal (aTHX);
1163	UNLOCK;	1274	UNLOCK;
1164		1275
1165	if (expect_false (prev->throw \|\| next->throw))	1276	if (expect_false (has_throw))
1166	{	1277	{
1167	struct coro *coro = SvSTATE (coro_current);	1278	struct coro *coro = SvSTATE (coro_current);
1168		1279
1169	if (coro->throw)	1280	if (coro->throw)
1170	{	1281	{
…		…
1180	struct transfer_args	1291	struct transfer_args
1181	{	1292	{
1182	struct coro prev, next;	1293	struct coro prev, next;
1183	};	1294	};
1184		1295
1185	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1296	#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)	1297	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1187		1298
1188	/ high level stuff ******************************************************/	1299	/ high level stuff ******************************************************/
1189		1300
1190	static int	1301	static int
…		…
1284	{	1395	{
1285	dTHX;	1396	dTHX;
1286	struct transfer_args ta;	1397	struct transfer_args ta;
1287		1398
1288	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1399	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1289	TRANSFER (ta);	1400	TRANSFER (ta, 1);
1290	}	1401	}
1291		1402
1292	/ Coro ******************************************************************/	1403	/ Coro ******************************************************************/
1293		1404
1294	static void	1405	static void
…		…
1296	{	1407	{
1297	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1408	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1298	}	1409	}
1299		1410
1300	static SV *	1411	static SV *
1301	coro_deq (pTHX_ int min_prio)	1412	coro_deq (pTHX)
1302	{	1413	{
1303	int prio = PRIO_MAX - PRIO_MIN;	1414	int prio;
1304		1415
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; )	1416	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1310	if (AvFILLp (coro_ready [prio]) >= 0)	1417	if (AvFILLp (coro_ready [prio]) >= 0)
1311	return av_shift (coro_ready [prio]);	1418	return av_shift (coro_ready [prio]);
1312		1419
1313	return 0;	1420	return 0;
1314	}	1421	}
…		…
1316	static int	1423	static int
1317	api_ready (SV *coro_sv)	1424	api_ready (SV *coro_sv)
1318	{	1425	{
1319	dTHX;	1426	dTHX;
1320	struct coro *coro;	1427	struct coro *coro;
		1428	SV *sv_hook;
		1429	void (*xs_hook)(void);
1321		1430
1322	if (SvROK (coro_sv))	1431	if (SvROK (coro_sv))
1323	coro_sv = SvRV (coro_sv);	1432	coro_sv = SvRV (coro_sv);
1324		1433
1325	coro = SvSTATE (coro_sv);	1434	coro = SvSTATE (coro_sv);
…		…
1328	return 0;	1437	return 0;
1329		1438
1330	coro->flags \|= CF_READY;	1439	coro->flags \|= CF_READY;
1331		1440
1332	LOCK;	1441	LOCK;
		1442
		1443	sv_hook = coro_nready ? 0 : coro_readyhook;
		1444	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1445
1333	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1446	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1334	++coro_nready;	1447	++coro_nready;
		1448
1335	UNLOCK;	1449	UNLOCK;
		1450
		1451	if (sv_hook)
		1452	{
		1453	dSP;
		1454
		1455	ENTER;
		1456	SAVETMPS;
		1457
		1458	PUSHMARK (SP);
		1459	PUTBACK;
		1460	call_sv (sv_hook, G_DISCARD);
		1461	SPAGAIN;
		1462
		1463	FREETMPS;
		1464	LEAVE;
		1465	}
		1466
		1467	if (xs_hook)
		1468	xs_hook ();
1336		1469
1337	return 1;	1470	return 1;
1338	}	1471	}
1339		1472
1340	static int	1473	static int
…		…
1350	SV prev_sv, next_sv;	1483	SV prev_sv, next_sv;
1351		1484
1352	for (;;)	1485	for (;;)
1353	{	1486	{
1354	LOCK;	1487	LOCK;
1355	next_sv = coro_deq (aTHX_ PRIO_MIN);	1488	next_sv = coro_deq (aTHX);
1356		1489
1357	/* nothing to schedule: call the idle handler */	1490	/* nothing to schedule: call the idle handler */
1358	if (expect_false (!next_sv))	1491	if (expect_false (!next_sv))
1359	{	1492	{
1360	dSP;	1493	dSP;
…		…
1364	SAVETMPS;	1497	SAVETMPS;
1365		1498
1366	PUSHMARK (SP);	1499	PUSHMARK (SP);
1367	PUTBACK;	1500	PUTBACK;
1368	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1501	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1502	SPAGAIN;
1369		1503
1370	FREETMPS;	1504	FREETMPS;
1371	LEAVE;	1505	LEAVE;
1372	continue;	1506	continue;
1373	}	1507	}
…		…
1428	{	1562	{
1429	dTHX;	1563	dTHX;
1430	struct transfer_args ta;	1564	struct transfer_args ta;
1431		1565
1432	prepare_schedule (aTHX_ &ta);	1566	prepare_schedule (aTHX_ &ta);
1433	TRANSFER (ta);	1567	TRANSFER (ta, 1);
1434	}	1568	}
1435		1569
1436	static int	1570	static int
1437	api_cede (void)	1571	api_cede (void)
1438	{	1572	{
…		…
1441		1575
1442	prepare_cede (aTHX_ &ta);	1576	prepare_cede (aTHX_ &ta);
1443		1577
1444	if (expect_true (ta.prev != ta.next))	1578	if (expect_true (ta.prev != ta.next))
1445	{	1579	{
1446	TRANSFER (ta);	1580	TRANSFER (ta, 1);
1447	return 1;	1581	return 1;
1448	}	1582	}
1449	else	1583	else
1450	return 0;	1584	return 0;
1451	}	1585	}
…		…
1456	dTHX;	1590	dTHX;
1457	struct transfer_args ta;	1591	struct transfer_args ta;
1458		1592
1459	if (prepare_cede_notself (aTHX_ &ta))	1593	if (prepare_cede_notself (aTHX_ &ta))
1460	{	1594	{
1461	TRANSFER (ta);	1595	TRANSFER (ta, 1);
1462	return 1;	1596	return 1;
1463	}	1597	}
1464	else	1598	else
1465	return 0;	1599	return 0;
1466	}	1600	}
…		…
1503	BOOT_PAGESIZE;	1637	BOOT_PAGESIZE;
1504		1638
1505	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1639	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1506	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1640	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1507		1641
		1642	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1643	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1644	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1645
1508	hv_sig = coro_get_hv ("SIG", TRUE);	1646	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1509	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1647	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1510	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1648	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		1649
1515	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1650	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1516		1651
1517	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1652	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1518	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1653	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1523	main_top_env = PL_top_env;	1658	main_top_env = PL_top_env;
1524		1659
1525	while (main_top_env->je_prev)	1660	while (main_top_env->je_prev)
1526	main_top_env = main_top_env->je_prev;	1661	main_top_env = main_top_env->je_prev;
1527		1662
1528	coroapi.ver = CORO_API_VERSION;	1663	coroapi.ver = CORO_API_VERSION;
		1664	coroapi.rev = CORO_API_REVISION;
1529	coroapi.transfer = api_transfer;	1665	coroapi.transfer = api_transfer;
1530		1666
1531	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1667	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1532	}	1668	}
1533		1669
1534	SV *	1670	SV *
1535	new (char *klass, ...)	1671	new (char *klass, ...)
1536	CODE:	1672	CODE:
1537	{	1673	{
1538	struct coro *coro;	1674	struct coro *coro;
		1675	MAGIC *mg;
1539	HV *hv;	1676	HV *hv;
1540	int i;	1677	int i;
1541		1678
1542	Newz (0, coro, 1, struct coro);	1679	Newz (0, coro, 1, struct coro);
1543	coro->args = newAV ();	1680	coro->args = newAV ();
…		…
1546	if (coro_first) coro_first->prev = coro;	1683	if (coro_first) coro_first->prev = coro;
1547	coro->next = coro_first;	1684	coro->next = coro_first;
1548	coro_first = coro;	1685	coro_first = coro;
1549		1686
1550	coro->hv = hv = newHV ();	1687	coro->hv = hv = newHV ();
1551	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1688	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1689	mg->mg_flags \|= MGf_DUP;
1552	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1690	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1553		1691
1554	av_extend (coro->args, items - 1);	1692	av_extend (coro->args, items - 1);
1555	for (i = 1; i < items; i++)	1693	for (i = 1; i < items; i++)
1556	av_push (coro->args, newSVsv (ST (i)));	1694	av_push (coro->args, newSVsv (ST (i)));
…		…
1570	Coro::cede_notself = 4	1708	Coro::cede_notself = 4
1571	CODE:	1709	CODE:
1572	{	1710	{
1573	struct transfer_args ta;	1711	struct transfer_args ta;
1574		1712
		1713	PUTBACK;
1575	switch (ix)	1714	switch (ix)
1576	{	1715	{
1577	case 0:	1716	case 0:
1578	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1717	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1579	ta.next = 0;	1718	ta.next = 0;
…		…
1598	if (!prepare_cede_notself (aTHX_ &ta))	1737	if (!prepare_cede_notself (aTHX_ &ta))
1599	XSRETURN_EMPTY;	1738	XSRETURN_EMPTY;
1600		1739
1601	break;	1740	break;
1602	}	1741	}
		1742	SPAGAIN;
1603		1743
1604	BARRIER;	1744	BARRIER;
		1745	PUTBACK;
1605	TRANSFER (ta);	1746	TRANSFER (ta, 0);
1606		1747	SPAGAIN; /* might be the sp of a different coroutine now */
1607	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1748	/* be extra careful not to ever do anything after TRANSFER */
1608	XSRETURN_YES;
1609	}	1749	}
1610		1750
1611	bool	1751	bool
1612	_destroy (SV *coro_sv)	1752	_destroy (SV *coro_sv)
1613	CODE:	1753	CODE:
1614	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1754	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1615	OUTPUT:	1755	OUTPUT:
1616	RETVAL	1756	RETVAL
1617		1757
1618	void	1758	void
1619	_exit (code)	1759	_exit (int code)
1620	int code
1621	PROTOTYPE: $	1760	PROTOTYPE: $
1622	CODE:	1761	CODE:
1623	_exit (code);	1762	_exit (code);
1624		1763
1625	int	1764	int
…		…
1665	{	1804	{
1666	struct coro temp;	1805	struct coro temp;
1667		1806
1668	if (!(coro->flags & CF_RUNNING))	1807	if (!(coro->flags & CF_RUNNING))
1669	{	1808	{
		1809	PUTBACK;
1670	save_perl (aTHX_ &temp);	1810	save_perl (aTHX_ &temp);
1671	load_perl (aTHX_ coro);	1811	load_perl (aTHX_ coro);
1672	}	1812	}
1673		1813
1674	{	1814	{
1675	dSP;	1815	dSP;
1676	ENTER;	1816	ENTER;
1677	SAVETMPS;	1817	SAVETMPS;
		1818	PUTBACK;
		1819	PUSHSTACK;
1678	PUSHMARK (SP);	1820	PUSHMARK (SP);
1679	PUTBACK;
1680		1821
1681	if (ix)	1822	if (ix)
1682	eval_sv (coderef, 0);	1823	eval_sv (coderef, 0);
1683	else	1824	else
1684	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1825	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1685		1826
		1827	POPSTACK;
1686	SPAGAIN;	1828	SPAGAIN;
1687	FREETMPS;	1829	FREETMPS;
1688	LEAVE;	1830	LEAVE;
1689	PUTBACK;	1831	PUTBACK;
1690	}	1832	}
1691		1833
1692	if (!(coro->flags & CF_RUNNING))	1834	if (!(coro->flags & CF_RUNNING))
1693	{	1835	{
1694	save_perl (aTHX_ coro);	1836	save_perl (aTHX_ coro);
1695	load_perl (aTHX_ &temp);	1837	load_perl (aTHX_ &temp);
		1838	SPAGAIN;
1696	}	1839	}
1697	}	1840	}
1698	}	1841	}
1699		1842
1700	SV *	1843	SV *
…		…
1712		1855
1713	void	1856	void
1714	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1857	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1715		1858
1716	SV *	1859	SV *
1717	has_stack (Coro::State coro)	1860	has_cctx (Coro::State coro)
1718	PROTOTYPE: $	1861	PROTOTYPE: $
1719	CODE:	1862	CODE:
1720	RETVAL = boolSV (!!coro->cctx);	1863	RETVAL = boolSV (!!coro->cctx);
1721	OUTPUT:	1864	OUTPUT:
1722	RETVAL	1865	RETVAL
…		…
1741	case 1: RETVAL = coro->usecount; break;	1884	case 1: RETVAL = coro->usecount; break;
1742	}	1885	}
1743	OUTPUT:	1886	OUTPUT:
1744	RETVAL	1887	RETVAL
1745		1888
		1889	void
		1890	force_cctx ()
		1891	CODE:
		1892	struct coro *coro = SvSTATE (coro_current);
		1893	coro->cctx->idle_sp = 0;
		1894
		1895	void
		1896	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1897	PROTOTYPE: $;$
		1898	CODE:
		1899	SvREFCNT_dec (self->throw);
		1900	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1901
		1902	void
		1903	swap_defsv (Coro::State self)
		1904	PROTOTYPE: $
		1905	ALIAS:
		1906	swap_defav = 1
		1907	CODE:
		1908	if (!self->slot)
		1909	croak ("cannot swap state with coroutine that has no saved state");
		1910	else
		1911	{
		1912	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1913	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1914
		1915	SV tmp = src; src = dst; *dst = tmp;
		1916	}
1746		1917
1747	MODULE = Coro::State PACKAGE = Coro	1918	MODULE = Coro::State PACKAGE = Coro
1748		1919
1749	BOOT:	1920	BOOT:
1750	{	1921	{
1751	int i;	1922	int i;
1752		1923
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);	1924	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		1925	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		1926	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1756		1927
1757	coro_current = coro_get_sv ("Coro::current", FALSE);	1928	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1758	SvREADONLY_on (coro_current);	1929	SvREADONLY_on (coro_current);
1759		1930
1760	coro_stash = gv_stashpv ("Coro", TRUE);	1931	coro_stash = gv_stashpv ("Coro", TRUE);
1761		1932
1762	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1933	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1792	PROTOTYPE: $	1963	PROTOTYPE: $
1793	CODE:	1964	CODE:
1794	SvREFCNT_dec (SvRV (coro_current));	1965	SvREFCNT_dec (SvRV (coro_current));
1795	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1966	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1796		1967
		1968	void
		1969	_set_readyhook (SV *hook)
		1970	PROTOTYPE: $
		1971	CODE:
		1972	LOCK;
		1973	SvREFCNT_dec (coro_readyhook);
		1974	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1975	UNLOCK;
		1976
1797	int	1977	int
1798	prio (Coro::State coro, int newprio = 0)	1978	prio (Coro::State coro, int newprio = 0)
1799	ALIAS:	1979	ALIAS:
1800	nice = 1	1980	nice = 1
1801	CODE:	1981	CODE:
…		…
1830	CODE:	2010	CODE:
1831	RETVAL = coro_nready;	2011	RETVAL = coro_nready;
1832	OUTPUT:	2012	OUTPUT:
1833	RETVAL	2013	RETVAL
1834		2014
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	2015	# for async_pool speedup
1843	void	2016	void
1844	_pool_1 (SV *cb)	2017	_pool_1 (SV *cb)
1845	CODE:	2018	CODE:
1846	{	2019	{
1847	struct coro *coro = SvSTATE (coro_current);	2020	struct coro *coro = SvSTATE (coro_current);
1848	HV hv = (HV )SvRV (coro_current);	2021	HV hv = (HV )SvRV (coro_current);
1849	AV *defav = GvAV (PL_defgv);	2022	AV *defav = GvAV (PL_defgv);
1850	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2023	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1851	AV *invoke_av;	2024	AV *invoke_av;
1852	int i, len;	2025	int i, len;
1853		2026
1854	if (!invoke)	2027	if (!invoke)
		2028	{
		2029	SV *old = PL_diehook;
		2030	PL_diehook = 0;
		2031	SvREFCNT_dec (old);
1855	croak ("\3async_pool terminate\2\n");	2032	croak ("\3async_pool terminate\2\n");
		2033	}
1856		2034
1857	SvREFCNT_dec (coro->saved_deffh);	2035	SvREFCNT_dec (coro->saved_deffh);
1858	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2036	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1859		2037
1860	hv_store (hv, "desc", sizeof ("desc") - 1,	2038	hv_store (hv, "desc", sizeof ("desc") - 1,
1861	newSVpvn (strpair ("[async_pool]")), 0);	2039	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1862		2040
1863	invoke_av = (AV *)SvRV (invoke);	2041	invoke_av = (AV *)SvRV (invoke);
1864	len = av_len (invoke_av);	2042	len = av_len (invoke_av);
1865		2043
1866	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2044	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1886	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2064	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1887	coro->saved_deffh = 0;	2065	coro->saved_deffh = 0;
1888		2066
1889	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2067	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1890	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2068	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2069	{
		2070	SV *old = PL_diehook;
		2071	PL_diehook = 0;
		2072	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2073	croak ("\3async_pool terminate\2\n");
		2074	}
1892		2075
1893	av_clear (GvAV (PL_defgv));	2076	av_clear (GvAV (PL_defgv));
1894	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2077	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1895	newSVpvn (strpair ("[async_pool idle]")), 0);	2078	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1896		2079
1897	coro->prio = 0;	2080	coro->prio = 0;
1898		2081
1899	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2082	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1900	api_trace (coro_current, 0);	2083	api_trace (coro_current, 0);
…		…
1935	PL_laststype = data->laststype;	2118	PL_laststype = data->laststype;
1936	PL_laststatval = data->laststatval;	2119	PL_laststatval = data->laststatval;
1937	PL_statcache = data->statcache;	2120	PL_statcache = data->statcache;
1938	}	2121	}
1939		2122
		2123
		2124	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2125
		2126	BOOT:
		2127	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2128
		2129	SV *
		2130	_schedule (...)
		2131	PROTOTYPE: @
		2132	CODE:
		2133	{
		2134	static int incede;
		2135
		2136	api_cede_notself ();
		2137
		2138	++incede;
		2139	while (coro_nready >= incede && api_cede ())
		2140	;
		2141
		2142	sv_setsv (sv_activity, &PL_sv_undef);
		2143	if (coro_nready >= incede)
		2144	{
		2145	PUSHMARK (SP);
		2146	PUTBACK;
		2147	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2148	SPAGAIN;
		2149	}
		2150
		2151	--incede;
		2152	}
		2153

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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 1.242 by root, Thu Aug 14 12:48:20 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 1.242 by root, Thu Aug 14 12:48:20 2008 UTC