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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.198 by root, Sun Oct 7 03:58:37 2007 UTC vs.
Revision 1.240 by root, Sun Jun 29 00:28:17 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
…		…
144	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
145	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
146	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
147	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
148	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
149	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
150		164
151	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
152	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
		167	static SV *rv_diehook;
		168	static SV *rv_warnhook;
		169	static HV hv_sig; / %SIG */
153		170
154	/* async_pool helper stuff */	171	/* async_pool helper stuff */
155	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
156	static SV *sv_pool_size;	173	static SV *sv_pool_size;
157	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
158		178
159	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
160	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
161		181
162	enum {	182	enum {
…		…
215		235
216	/* process data */	236	/* process data */
217	AV *mainstack;	237	AV *mainstack;
218	perl_slots slot; / basically the saved sp */	238	perl_slots slot; / basically the saved sp */
219		239
220	/* data associated with this coroutine (initial args) */	240	AV args; / data associated with this coroutine (initial args) */
221	AV *args;	241	int refcnt; /* coroutines are refcounted, yes */
222	int refcnt;
223	int flags; /* CF_ flags */	242	int flags; /* CF_ flags */
		243	HV hv; / the perl hash associated with this coro, if any */
224		244
225	/* statistics */	245	/* statistics */
226	int usecount; /* number of transfers to this coro */	246	int usecount; /* number of transfers to this coro */
227		247
228	/* coro process data */	248	/* coro process data */
229	int prio;	249	int prio;
230	SV *throw;	250	SV throw; / exception to be thrown */
231		251
232	/* async_pool */	252	/* async_pool */
233	SV *saved_deffh;	253	SV *saved_deffh;
234		254
235	/* linked list */	255	/* linked list */
236	struct coro next, prev;	256	struct coro next, prev;
237	HV hv; / the perl hash associated with this coro, if any */
238	};	257	};
239		258
240	typedef struct coro *Coro__State;	259	typedef struct coro *Coro__State;
241	typedef struct coro *Coro__State_or_hashref;	260	typedef struct coro *Coro__State_or_hashref;
242		261
…		…
249	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
250	#define PRIO_MIN -4	269	#define PRIO_MIN -4
251		270
252	/* for Coro.pm */	271	/* for Coro.pm */
253	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
254	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
255	static int coro_nready;	275	static int coro_nready;
256	static struct coro *coro_first;	276	static struct coro *coro_first;
257		277
258	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
259		279
		280	static SV *
		281	coro_get_sv (pTHX_ const char *name, int create)
		282	{
		283	#if PERL_VERSION_ATLEAST (5,10,0)
		284	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		285	get_sv (name, create);
		286	#endif
		287	return get_sv (name, create);
		288	}
		289
		290	static AV *
		291	coro_get_av (pTHX_ const char *name, int create)
		292	{
		293	#if PERL_VERSION_ATLEAST (5,10,0)
		294	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		295	get_av (name, create);
		296	#endif
		297	return get_av (name, create);
		298	}
		299
		300	static HV *
		301	coro_get_hv (pTHX_ const char *name, int create)
		302	{
		303	#if PERL_VERSION_ATLEAST (5,10,0)
		304	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		305	get_hv (name, create);
		306	#endif
		307	return get_hv (name, create);
		308	}
		309
260	static AV *	310	static AV *
261	coro_clone_padlist (pTHX_ CV *cv)	311	coro_clone_padlist (pTHX_ CV *cv)
262	{	312	{
263	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
264	AV newpadlist, newpad;	314	AV newpadlist, newpad;
265		315
266	newpadlist = newAV ();	316	newpadlist = newAV ();
267	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
268	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
269	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
270	#else	320	#else
271	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
272	#endif	322	#endif
273	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
311		361
312	/* casting is fun. */	362	/* casting is fun. */
313	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
314	free_padlist (aTHX_ padlist);	364	free_padlist (aTHX_ padlist);
315		365
316	SvREFCNT_dec (av);
317
318	return 0;	366	return 0;
319	}	367	}
320		368
321	#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
322		371
323	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	};
324		376
325	#define CORO_MAGIC(cv) \	377	#define CORO_MAGIC(sv,type) \
326	SvMAGIC (cv) \	378	SvMAGIC (sv) \
327	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	379	? SvMAGIC (sv)->mg_type == type \
328	? SvMAGIC (cv) \	380	? SvMAGIC (sv) \
329	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	381	: mg_find (sv, type) \
330	: 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)
331		386
332	static struct coro *	387	static struct coro *
333	SvSTATE_ (pTHX_ SV *coro)	388	SvSTATE_ (pTHX_ SV *coro)
334	{	389	{
335	HV *stash;	390	HV *stash;
…		…
347	/* very slow, but rare, check */	402	/* very slow, but rare, check */
348	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	403	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
349	croak ("Coro::State object required");	404	croak ("Coro::State object required");
350	}	405	}
351		406
352	mg = CORO_MAGIC (coro);	407	mg = CORO_MAGIC_state (coro);
353	return (struct coro *)mg->mg_ptr;	408	return (struct coro *)mg->mg_ptr;
354	}	409	}
355		410
356	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	411	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
357		412
358	/* the next two functions merely cache the padlists */	413	/* the next two functions merely cache the padlists */
359	static void	414	static void
360	get_padlist (pTHX_ CV *cv)	415	get_padlist (pTHX_ CV *cv)
361	{	416	{
362	MAGIC *mg = CORO_MAGIC (cv);	417	MAGIC *mg = CORO_MAGIC_cv (cv);
363	AV *av;	418	AV *av;
364		419
365	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
366	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
367	else	422	else
…		…
379	}	434	}
380		435
381	static void	436	static void
382	put_padlist (pTHX_ CV *cv)	437	put_padlist (pTHX_ CV *cv)
383	{	438	{
384	MAGIC *mg = CORO_MAGIC (cv);	439	MAGIC *mg = CORO_MAGIC_cv (cv);
385	AV *av;	440	AV *av;
386		441
387	if (expect_false (!mg))	442	if (expect_false (!mg))
388	{	443	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
389	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
390	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
391	mg->mg_virtual = &vtbl_coro;
392	mg->mg_obj = (SV *)newAV ();
393	}
394		444
395	av = (AV *)mg->mg_obj;	445	av = (AV *)mg->mg_obj;
396		446
397	if (expect_false (AvFILLp (av) >= AvMAX (av)))	447	if (expect_false (AvFILLp (av) >= AvMAX (av)))
398	av_extend (av, AvMAX (av) + 1);	448	av_extend (av, AvMAX (av) + 1);
…		…
464		514
465	if (expect_true (CvDEPTH (cv)))	515	if (expect_true (CvDEPTH (cv)))
466	{	516	{
467	EXTEND (SP, 3);	517	EXTEND (SP, 3);
468	PUSHs ((SV *)CvPADLIST (cv));	518	PUSHs ((SV *)CvPADLIST (cv));
469	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	519	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
470	PUSHs ((SV *)cv);	520	PUSHs ((SV *)cv);
471		521
472	CvDEPTH (cv) = 0;	522	CvDEPTH (cv) = 0;
473	get_padlist (aTHX_ cv);	523	get_padlist (aTHX_ cv);
474	}	524	}
…		…
485		535
486	PUTBACK;	536	PUTBACK;
487	}	537	}
488		538
489	/* allocate some space on the context stack for our purposes */	539	/* allocate some space on the context stack for our purposes */
		540	/* we manually unroll here, as usually 2 slots is enough */
		541	if (SLOT_COUNT >= 1) CXINC;
		542	if (SLOT_COUNT >= 2) CXINC;
		543	if (SLOT_COUNT >= 3) CXINC;
490	{	544	{
491	/* we manually unroll here, as usually 2 slots is enough */
492	int i;	545	int i;
493	if (SLOT_COUNT >= 1) CXINC;
494	if (SLOT_COUNT >= 2) CXINC;
495	if (SLOT_COUNT >= 3) CXINC;
496	for (i = 3; i < SLOT_COUNT; ++i)	546	for (i = 3; i < SLOT_COUNT; ++i)
497	CXINC;	547	CXINC;
498
499	cxstack_ix -= SLOT_COUNT; /* undo allocation */
500	}	548	}
		549	cxstack_ix -= SLOT_COUNT; /* undo allocation */
501		550
502	c->mainstack = PL_mainstack;	551	c->mainstack = PL_mainstack;
503		552
504	{	553	{
505	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	554	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
…		…
555		604
556	New(54,PL_savestack,24,ANY);	605	New(54,PL_savestack,24,ANY);
557	PL_savestack_ix = 0;	606	PL_savestack_ix = 0;
558	PL_savestack_max = 24;	607	PL_savestack_max = 24;
559		608
560	#if !PERL_VERSION_ATLEAST (5,9,0)	609	#if !PERL_VERSION_ATLEAST (5,10,0)
561	New(54,PL_retstack,4,OP*);	610	New(54,PL_retstack,4,OP*);
562	PL_retstack_ix = 0;	611	PL_retstack_ix = 0;
563	PL_retstack_max = 4;	612	PL_retstack_max = 4;
564	#endif	613	#endif
565	}	614	}
…		…
588		637
589	Safefree (PL_tmps_stack);	638	Safefree (PL_tmps_stack);
590	Safefree (PL_markstack);	639	Safefree (PL_markstack);
591	Safefree (PL_scopestack);	640	Safefree (PL_scopestack);
592	Safefree (PL_savestack);	641	Safefree (PL_savestack);
593	#if !PERL_VERSION_ATLEAST (5,9,0)	642	#if !PERL_VERSION_ATLEAST (5,10,0)
594	Safefree (PL_retstack);	643	Safefree (PL_retstack);
595	#endif	644	#endif
596	}	645	}
597		646
598	static size_t	647	static size_t
…		…
622	rss += slot->tmps_max * sizeof (SV *);	671	rss += slot->tmps_max * sizeof (SV *);
623	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
624	rss += slot->scopestack_max * sizeof (I32);	673	rss += slot->scopestack_max * sizeof (I32);
625	rss += slot->savestack_max * sizeof (ANY);	674	rss += slot->savestack_max * sizeof (ANY);
626		675
627	#if !PERL_VERSION_ATLEAST (5,9,0)	676	#if !PERL_VERSION_ATLEAST (5,10,0)
628	rss += slot->retstack_max * sizeof (OP *);	677	rss += slot->retstack_max * sizeof (OP *);
629	#endif	678	#endif
630	}	679	}
631		680
632	return rss;	681	return rss;
633	}	682	}
634		683
635	/ 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	#undef MgPV_nolen_const
		692	#ifndef MgPV_nolen_const
		693	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		694	SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \
		695	(const char*)(mg)->mg_ptr)
		696	#endif
		697
		698	/*
		699	* This overrides the default magic get method of %SIG elements.
		700	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		701	* and instead of tryign to save and restore the hash elements, we just provide
		702	* readback here.
		703	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		704	* not expecting this to actually change the hook. This is a potential problem
		705	* when a schedule happens then, but we ignore this.
		706	*/
		707	static int
		708	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		709	{
		710	const char *s = MgPV_nolen_const (mg);
		711
		712	if (*s == '_')
		713	{
		714	SV **svp = 0;
		715
		716	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		717	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		718
		719	if (svp)
		720	{
		721	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		722	return 0;
		723	}
		724	}
		725
		726	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		727	}
		728
		729	static int
		730	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		731	{
		732	const char *s = MgPV_nolen_const (mg);
		733
		734	if (*s == '_')
		735	{
		736	SV **svp = 0;
		737
		738	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		739	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		740
		741	if (svp)
		742	{
		743	SV old = svp;
		744	*svp = 0;
		745	SvREFCNT_dec (old);
		746	return 0;
		747	}
		748	}
		749
		750	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		751	}
		752
		753	static int
		754	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		755	{
		756	const char *s = MgPV_nolen_const (mg);
		757
		758	if (*s == '_')
		759	{
		760	SV **svp = 0;
		761
		762	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		763	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		764
		765	if (svp)
		766	{
		767	SV old = svp;
		768	*svp = newSVsv (sv);
		769	SvREFCNT_dec (old);
		770	return 0;
		771	}
		772	}
		773
		774	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		775	}
636		776
637	static void	777	static void
638	coro_setup (pTHX_ struct coro *coro)	778	coro_setup (pTHX_ struct coro *coro)
639	{	779	{
640	/*	780	/*
…		…
649	PL_curpm = 0;	789	PL_curpm = 0;
650	PL_curpad = 0;	790	PL_curpad = 0;
651	PL_localizing = 0;	791	PL_localizing = 0;
652	PL_dirty = 0;	792	PL_dirty = 0;
653	PL_restartop = 0;	793	PL_restartop = 0;
654	PL_diehook = 0;	794	#if PERL_VERSION_ATLEAST (5,10,0)
655	PL_warnhook = 0;	795	PL_parser = 0;
		796	#endif
		797
		798	/* recreate the die/warn hooks */
		799	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		800	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
656		801
657	GvSV (PL_defgv) = newSV (0);	802	GvSV (PL_defgv) = newSV (0);
658	GvAV (PL_defgv) = coro->args; coro->args = 0;	803	GvAV (PL_defgv) = coro->args; coro->args = 0;
659	GvSV (PL_errgv) = newSV (0);	804	GvSV (PL_errgv) = newSV (0);
660	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	805	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
675	PL_op = (OP *)&myop;	820	PL_op = (OP *)&myop;
676	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	821	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
677	SPAGAIN;	822	SPAGAIN;
678	}	823	}
679		824
680	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	825	/* this newly created coroutine might be run on an existing cctx which most
		826	* likely was suspended in set_stacklevel, called from entersub.
		827	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		828	* so we ENTER here for symmetry
		829	*/
		830	ENTER;
681	}	831	}
682		832
683	static void	833	static void
684	coro_destroy (pTHX_ struct coro *coro)	834	coro_destroy (pTHX_ struct coro *coro)
685	{	835	{
…		…
806	SAVETMPS;	956	SAVETMPS;
807	EXTEND (SP, 3);	957	EXTEND (SP, 3);
808	PUSHMARK (SP);	958	PUSHMARK (SP);
809	PUSHs (&PL_sv_yes);	959	PUSHs (&PL_sv_yes);
810	PUSHs (fullname);	960	PUSHs (fullname);
811	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	961	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
812	PUTBACK;	962	PUTBACK;
813	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	963	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
814	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	964	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
815	SPAGAIN;	965	SPAGAIN;
816	FREETMPS;	966	FREETMPS;
…		…
852		1002
853	/* inject a fake call to Coro::State::_cctx_init into the execution */	1003	/* inject a fake call to Coro::State::_cctx_init into the execution */
854	/* _cctx_init should be careful, as it could be called at almost any time */	1004	/* _cctx_init should be careful, as it could be called at almost any time */
855	/* during execution of a perl program */	1005	/* during execution of a perl program */
856	static void NOINLINE	1006	static void NOINLINE
857	prepare_cctx (pTHX_ coro_cctx *cctx)	1007	cctx_prepare (pTHX_ coro_cctx *cctx)
858	{	1008	{
859	dSP;	1009	dSP;
860	LOGOP myop;	1010	LOGOP myop;
861		1011
862	PL_top_env = &PL_start_env;	1012	PL_top_env = &PL_start_env;
…		…
880		1030
881	/*	1031	/*
882	* this is a _very_ stripped down perl interpreter ;)	1032	* this is a _very_ stripped down perl interpreter ;)
883	*/	1033	*/
884	static void	1034	static void
885	coro_run (void *arg)	1035	cctx_run (void *arg)
886	{	1036	{
887	dTHX;	1037	dTHX;
888		1038
889	/* coro_run is the alternative tail of transfer(), so unlock here. */	1039	/* cctx_run is the alternative tail of transfer(), so unlock here. */
890	UNLOCK;	1040	UNLOCK;
891		1041
892	/* we now skip the entersub that lead to transfer() */	1042	/* we now skip the entersub that lead to transfer() */
893	PL_op = PL_op->op_next;	1043	PL_op = PL_op->op_next;
894		1044
895	/* inject a fake subroutine call to cctx_init */	1045	/* inject a fake subroutine call to cctx_init */
896	prepare_cctx (aTHX_ (coro_cctx *)arg);	1046	cctx_prepare (aTHX_ (coro_cctx *)arg);
897		1047
898	/* somebody or something will hit me for both perl_run and PL_restartop */	1048	/* somebody or something will hit me for both perl_run and PL_restartop */
899	PL_restartop = PL_op;	1049	PL_restartop = PL_op;
900	perl_run (PL_curinterp);	1050	perl_run (PL_curinterp);
901		1051
…		…
920	++cctx_count;	1070	++cctx_count;
921		1071
922	Newz (0, cctx, 1, coro_cctx);	1072	Newz (0, cctx, 1, coro_cctx);
923		1073
924	#if HAVE_MMAP	1074	#if HAVE_MMAP
925
926	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1075	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
927	/* mmap supposedly does allocate-on-write for us */	1076	/* mmap supposedly does allocate-on-write for us */
928	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1077	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
929		1078
930	if (cctx->sptr != (void *)-1)	1079	if (cctx->sptr != (void *)-1)
…		…
951	stack_start = cctx->sptr;	1100	stack_start = cctx->sptr;
952	stack_size = cctx->ssize;	1101	stack_size = cctx->ssize;
953	}	1102	}
954		1103
955	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1104	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
956	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1105	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
957		1106
958	return cctx;	1107	return cctx;
959	}	1108	}
960		1109
961	static void	1110	static void
…		…
1033	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1182	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1034		1183
1035	if (expect_false (next->flags & CF_DESTROYED))	1184	if (expect_false (next->flags & CF_DESTROYED))
1036	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1185	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1037		1186
1038	if (
1039	#if PERL_VERSION_ATLEAST (5,9,0)	1187	#if !PERL_VERSION_ATLEAST (5,10,0)
1040	expect_false (PL_parser)
1041	#else
1042	expect_false (PL_lex_state != LEX_NOTPARSING)	1188	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1043	#endif
1044	)
1045	croak ("Coro::State::transfer called while parsing, but this is not supported");	1189	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1190	#endif
1046	}	1191	}
1047	}	1192	}
1048		1193
1049	/* always use the TRANSFER macro */	1194	/* always use the TRANSFER macro */
1050	static void NOINLINE	1195	static void NOINLINE
1051	transfer (pTHX_ struct coro prev, struct coro next)	1196	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1052	{	1197	{
1053	dSTACKLEVEL;	1198	dSTACKLEVEL;
		1199	static volatile int has_throw;
1054		1200
1055	/* sometimes transfer is only called to set idle_sp */	1201	/* sometimes transfer is only called to set idle_sp */
1056	if (expect_false (!next))	1202	if (expect_false (!next))
1057	{	1203	{
1058	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1204	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1073	prev->flags &= ~CF_RUNNING;	1219	prev->flags &= ~CF_RUNNING;
1074	next->flags \|= CF_RUNNING;	1220	next->flags \|= CF_RUNNING;
1075		1221
1076	LOCK;	1222	LOCK;
1077		1223
		1224	/* first get rid of the old state */
		1225	save_perl (aTHX_ prev);
		1226
1078	if (expect_false (next->flags & CF_NEW))	1227	if (expect_false (next->flags & CF_NEW))
1079	{	1228	{
1080	/* need to start coroutine */	1229	/* need to start coroutine */
1081	next->flags &= ~CF_NEW;	1230	next->flags &= ~CF_NEW;
1082	/* first get rid of the old state */
1083	save_perl (aTHX_ prev);
1084	/* setup coroutine call */	1231	/* setup coroutine call */
1085	coro_setup (aTHX_ next);	1232	coro_setup (aTHX_ next);
1086	}	1233	}
1087	else	1234	else
1088	{
1089	/* coroutine already started */
1090	save_perl (aTHX_ prev);
1091	load_perl (aTHX_ next);	1235	load_perl (aTHX_ next);
1092	}
1093		1236
1094	prev__cctx = prev->cctx;	1237	prev__cctx = prev->cctx;
1095		1238
1096	/* possibly "free" the cctx */	1239	/* possibly "free" the cctx */
1097	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1240	if (expect_true (
		1241	prev__cctx->idle_sp == STACKLEVEL
		1242	&& !(prev__cctx->flags & CC_TRACE)
		1243	&& !force_cctx
		1244	))
1098	{	1245	{
1099	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1246	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1100	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1247	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1101		1248
1102	prev->cctx = 0;	1249	prev->cctx = 0;
1103		1250
1104	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1251	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1105	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1252	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1106	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1253	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1254	if (!next->cctx)
1107	next->cctx = cctx_get (aTHX);	1255	next->cctx = cctx_get (aTHX);
1108		1256
1109	cctx_put (prev__cctx);	1257	cctx_put (prev__cctx);
1110	}	1258	}
1111		1259
1112	++next->usecount;	1260	++next->usecount;
1113		1261
1114	if (expect_true (!next->cctx))	1262	if (expect_true (!next->cctx))
1115	next->cctx = cctx_get (aTHX);	1263	next->cctx = cctx_get (aTHX);
		1264
		1265	has_throw = !!next->throw;
1116		1266
1117	if (expect_false (prev__cctx != next->cctx))	1267	if (expect_false (prev__cctx != next->cctx))
1118	{	1268	{
1119	prev__cctx->top_env = PL_top_env;	1269	prev__cctx->top_env = PL_top_env;
1120	PL_top_env = next->cctx->top_env;	1270	PL_top_env = next->cctx->top_env;
…		…
1122	}	1272	}
1123		1273
1124	free_coro_mortal (aTHX);	1274	free_coro_mortal (aTHX);
1125	UNLOCK;	1275	UNLOCK;
1126		1276
1127	if (expect_false (prev->throw \|\| next->throw))	1277	if (expect_false (has_throw))
1128	{	1278	{
1129	struct coro *coro = SvSTATE (coro_current);	1279	struct coro *coro = SvSTATE (coro_current);
1130		1280
1131	if (coro->throw)	1281	if (coro->throw)
1132	{	1282	{
…		…
1142	struct transfer_args	1292	struct transfer_args
1143	{	1293	{
1144	struct coro prev, next;	1294	struct coro prev, next;
1145	};	1295	};
1146		1296
1147	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1297	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1148	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1298	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1149		1299
1150	/ high level stuff ******************************************************/	1300	/ high level stuff ******************************************************/
1151		1301
1152	static int	1302	static int
…		…
1246	{	1396	{
1247	dTHX;	1397	dTHX;
1248	struct transfer_args ta;	1398	struct transfer_args ta;
1249		1399
1250	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1400	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1251	TRANSFER (ta);	1401	TRANSFER (ta, 1);
1252	}	1402	}
1253		1403
1254	/ Coro ******************************************************************/	1404	/ Coro ******************************************************************/
1255		1405
1256	static void	1406	static void
…		…
1258	{	1408	{
1259	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1409	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1260	}	1410	}
1261		1411
1262	static SV *	1412	static SV *
1263	coro_deq (pTHX_ int min_prio)	1413	coro_deq (pTHX)
1264	{	1414	{
1265	int prio = PRIO_MAX - PRIO_MIN;	1415	int prio;
1266		1416
1267	min_prio -= PRIO_MIN;
1268	if (min_prio < 0)
1269	min_prio = 0;
1270
1271	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1417	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1272	if (AvFILLp (coro_ready [prio]) >= 0)	1418	if (AvFILLp (coro_ready [prio]) >= 0)
1273	return av_shift (coro_ready [prio]);	1419	return av_shift (coro_ready [prio]);
1274		1420
1275	return 0;	1421	return 0;
1276	}	1422	}
…		…
1278	static int	1424	static int
1279	api_ready (SV *coro_sv)	1425	api_ready (SV *coro_sv)
1280	{	1426	{
1281	dTHX;	1427	dTHX;
1282	struct coro *coro;	1428	struct coro *coro;
		1429	SV *sv_hook;
		1430	void (*xs_hook)(void);
1283		1431
1284	if (SvROK (coro_sv))	1432	if (SvROK (coro_sv))
1285	coro_sv = SvRV (coro_sv);	1433	coro_sv = SvRV (coro_sv);
1286		1434
1287	coro = SvSTATE (coro_sv);	1435	coro = SvSTATE (coro_sv);
…		…
1290	return 0;	1438	return 0;
1291		1439
1292	coro->flags \|= CF_READY;	1440	coro->flags \|= CF_READY;
1293		1441
1294	LOCK;	1442	LOCK;
		1443
		1444	sv_hook = coro_nready ? 0 : coro_readyhook;
		1445	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1446
1295	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1447	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1296	++coro_nready;	1448	++coro_nready;
		1449
1297	UNLOCK;	1450	UNLOCK;
		1451
		1452	if (sv_hook)
		1453	{
		1454	dSP;
		1455
		1456	ENTER;
		1457	SAVETMPS;
		1458
		1459	PUSHMARK (SP);
		1460	PUTBACK;
		1461	call_sv (sv_hook, G_DISCARD);
		1462	SPAGAIN;
		1463
		1464	FREETMPS;
		1465	LEAVE;
		1466	}
		1467
		1468	if (xs_hook)
		1469	xs_hook ();
1298		1470
1299	return 1;	1471	return 1;
1300	}	1472	}
1301		1473
1302	static int	1474	static int
…		…
1312	SV prev_sv, next_sv;	1484	SV prev_sv, next_sv;
1313		1485
1314	for (;;)	1486	for (;;)
1315	{	1487	{
1316	LOCK;	1488	LOCK;
1317	next_sv = coro_deq (aTHX_ PRIO_MIN);	1489	next_sv = coro_deq (aTHX);
1318		1490
1319	/* nothing to schedule: call the idle handler */	1491	/* nothing to schedule: call the idle handler */
1320	if (expect_false (!next_sv))	1492	if (expect_false (!next_sv))
1321	{	1493	{
1322	dSP;	1494	dSP;
…		…
1326	SAVETMPS;	1498	SAVETMPS;
1327		1499
1328	PUSHMARK (SP);	1500	PUSHMARK (SP);
1329	PUTBACK;	1501	PUTBACK;
1330	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1502	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1503	SPAGAIN;
1331		1504
1332	FREETMPS;	1505	FREETMPS;
1333	LEAVE;	1506	LEAVE;
1334	continue;	1507	continue;
1335	}	1508	}
…		…
1390	{	1563	{
1391	dTHX;	1564	dTHX;
1392	struct transfer_args ta;	1565	struct transfer_args ta;
1393		1566
1394	prepare_schedule (aTHX_ &ta);	1567	prepare_schedule (aTHX_ &ta);
1395	TRANSFER (ta);	1568	TRANSFER (ta, 1);
1396	}	1569	}
1397		1570
1398	static int	1571	static int
1399	api_cede (void)	1572	api_cede (void)
1400	{	1573	{
…		…
1403		1576
1404	prepare_cede (aTHX_ &ta);	1577	prepare_cede (aTHX_ &ta);
1405		1578
1406	if (expect_true (ta.prev != ta.next))	1579	if (expect_true (ta.prev != ta.next))
1407	{	1580	{
1408	TRANSFER (ta);	1581	TRANSFER (ta, 1);
1409	return 1;	1582	return 1;
1410	}	1583	}
1411	else	1584	else
1412	return 0;	1585	return 0;
1413	}	1586	}
…		…
1418	dTHX;	1591	dTHX;
1419	struct transfer_args ta;	1592	struct transfer_args ta;
1420		1593
1421	if (prepare_cede_notself (aTHX_ &ta))	1594	if (prepare_cede_notself (aTHX_ &ta))
1422	{	1595	{
1423	TRANSFER (ta);	1596	TRANSFER (ta, 1);
1424	return 1;	1597	return 1;
1425	}	1598	}
1426	else	1599	else
1427	return 0;	1600	return 0;
1428	}	1601	}
…		…
1465	BOOT_PAGESIZE;	1638	BOOT_PAGESIZE;
1466		1639
1467	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1640	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1468	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1641	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1469		1642
		1643	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1644	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1645	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1646
		1647	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1648	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1649	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
		1650
1470	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1651	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1471		1652
1472	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1653	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1473	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1654	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1474	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));	1655	newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
…		…
1478	main_top_env = PL_top_env;	1659	main_top_env = PL_top_env;
1479		1660
1480	while (main_top_env->je_prev)	1661	while (main_top_env->je_prev)
1481	main_top_env = main_top_env->je_prev;	1662	main_top_env = main_top_env->je_prev;
1482		1663
1483	coroapi.ver = CORO_API_VERSION;	1664	coroapi.ver = CORO_API_VERSION;
		1665	coroapi.rev = CORO_API_REVISION;
1484	coroapi.transfer = api_transfer;	1666	coroapi.transfer = api_transfer;
1485		1667
1486	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1668	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1487	}	1669	}
1488		1670
1489	SV *	1671	SV *
1490	new (char *klass, ...)	1672	new (char *klass, ...)
1491	CODE:	1673	CODE:
1492	{	1674	{
1493	struct coro *coro;	1675	struct coro *coro;
		1676	MAGIC *mg;
1494	HV *hv;	1677	HV *hv;
1495	int i;	1678	int i;
1496		1679
1497	Newz (0, coro, 1, struct coro);	1680	Newz (0, coro, 1, struct coro);
1498	coro->args = newAV ();	1681	coro->args = newAV ();
…		…
1501	if (coro_first) coro_first->prev = coro;	1684	if (coro_first) coro_first->prev = coro;
1502	coro->next = coro_first;	1685	coro->next = coro_first;
1503	coro_first = coro;	1686	coro_first = coro;
1504		1687
1505	coro->hv = hv = newHV ();	1688	coro->hv = hv = newHV ();
1506	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1689	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1690	mg->mg_flags \|= MGf_DUP;
1507	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1691	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1508		1692
1509	av_extend (coro->args, items - 1);	1693	av_extend (coro->args, items - 1);
1510	for (i = 1; i < items; i++)	1694	for (i = 1; i < items; i++)
1511	av_push (coro->args, newSVsv (ST (i)));	1695	av_push (coro->args, newSVsv (ST (i)));
…		…
1525	Coro::cede_notself = 4	1709	Coro::cede_notself = 4
1526	CODE:	1710	CODE:
1527	{	1711	{
1528	struct transfer_args ta;	1712	struct transfer_args ta;
1529		1713
		1714	PUTBACK;
1530	switch (ix)	1715	switch (ix)
1531	{	1716	{
1532	case 0:	1717	case 0:
1533	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1718	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1534	ta.next = 0;	1719	ta.next = 0;
…		…
1553	if (!prepare_cede_notself (aTHX_ &ta))	1738	if (!prepare_cede_notself (aTHX_ &ta))
1554	XSRETURN_EMPTY;	1739	XSRETURN_EMPTY;
1555		1740
1556	break;	1741	break;
1557	}	1742	}
		1743	SPAGAIN;
1558		1744
1559	BARRIER;	1745	BARRIER;
		1746	PUTBACK;
1560	TRANSFER (ta);	1747	TRANSFER (ta, 0);
1561		1748	SPAGAIN; /* might be the sp of a different coroutine now */
1562	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1749	/* be extra careful not to ever do anything after TRANSFER */
1563	XSRETURN_YES;
1564	}	1750	}
1565		1751
1566	bool	1752	bool
1567	_destroy (SV *coro_sv)	1753	_destroy (SV *coro_sv)
1568	CODE:	1754	CODE:
1569	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1755	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1570	OUTPUT:	1756	OUTPUT:
1571	RETVAL	1757	RETVAL
1572		1758
1573	void	1759	void
1574	_exit (code)	1760	_exit (int code)
1575	int code
1576	PROTOTYPE: $	1761	PROTOTYPE: $
1577	CODE:	1762	CODE:
1578	_exit (code);	1763	_exit (code);
1579		1764
1580	int	1765	int
…		…
1620	{	1805	{
1621	struct coro temp;	1806	struct coro temp;
1622		1807
1623	if (!(coro->flags & CF_RUNNING))	1808	if (!(coro->flags & CF_RUNNING))
1624	{	1809	{
		1810	PUTBACK;
1625	save_perl (aTHX_ &temp);	1811	save_perl (aTHX_ &temp);
1626	load_perl (aTHX_ coro);	1812	load_perl (aTHX_ coro);
1627	}	1813	}
1628		1814
1629	{	1815	{
1630	dSP;	1816	dSP;
1631	ENTER;	1817	ENTER;
1632	SAVETMPS;	1818	SAVETMPS;
		1819	PUTBACK;
		1820	PUSHSTACK;
1633	PUSHMARK (SP);	1821	PUSHMARK (SP);
1634	PUTBACK;
1635		1822
1636	if (ix)	1823	if (ix)
1637	eval_sv (coderef, 0);	1824	eval_sv (coderef, 0);
1638	else	1825	else
1639	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1826	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1640		1827
		1828	POPSTACK;
1641	SPAGAIN;	1829	SPAGAIN;
1642	FREETMPS;	1830	FREETMPS;
1643	LEAVE;	1831	LEAVE;
1644	PUTBACK;	1832	PUTBACK;
1645	}	1833	}
1646		1834
1647	if (!(coro->flags & CF_RUNNING))	1835	if (!(coro->flags & CF_RUNNING))
1648	{	1836	{
1649	save_perl (aTHX_ coro);	1837	save_perl (aTHX_ coro);
1650	load_perl (aTHX_ &temp);	1838	load_perl (aTHX_ &temp);
		1839	SPAGAIN;
1651	}	1840	}
1652	}	1841	}
1653	}	1842	}
1654		1843
1655	SV *	1844	SV *
…		…
1667		1856
1668	void	1857	void
1669	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1858	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1670		1859
1671	SV *	1860	SV *
1672	has_stack (Coro::State coro)	1861	has_cctx (Coro::State coro)
1673	PROTOTYPE: $	1862	PROTOTYPE: $
1674	CODE:	1863	CODE:
1675	RETVAL = boolSV (!!coro->cctx);	1864	RETVAL = boolSV (!!coro->cctx);
1676	OUTPUT:	1865	OUTPUT:
1677	RETVAL	1866	RETVAL
…		…
1696	case 1: RETVAL = coro->usecount; break;	1885	case 1: RETVAL = coro->usecount; break;
1697	}	1886	}
1698	OUTPUT:	1887	OUTPUT:
1699	RETVAL	1888	RETVAL
1700		1889
		1890	void
		1891	force_cctx ()
		1892	CODE:
		1893	struct coro *coro = SvSTATE (coro_current);
		1894	coro->cctx->idle_sp = 0;
1701		1895
1702	MODULE = Coro::State PACKAGE = Coro	1896	MODULE = Coro::State PACKAGE = Coro
1703		1897
1704	BOOT:	1898	BOOT:
1705	{	1899	{
1706	int i;	1900	int i;
1707		1901
1708	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1709	get_sv ("Coro::POOL_RSS" , TRUE); /* silence stupid 5.10 warning */
1710	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1711	get_sv ("Coro::POOL_SIZE" , TRUE); /* silence stupid 5.10 warning */
1712	av_async_pool = get_av ("Coro::async_pool", TRUE);	1902	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1713	get_av ("Coro::async_pool", TRUE); /* silence stupid 5.10 warning */	1903	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		1904	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1714		1905
1715	coro_current = get_sv ("Coro::current", FALSE);	1906	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1716	SvREADONLY_on (coro_current);	1907	SvREADONLY_on (coro_current);
1717		1908
1718	coro_stash = gv_stashpv ("Coro", TRUE);	1909	coro_stash = gv_stashpv ("Coro", TRUE);
1719		1910
1720	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1911	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1750	PROTOTYPE: $	1941	PROTOTYPE: $
1751	CODE:	1942	CODE:
1752	SvREFCNT_dec (SvRV (coro_current));	1943	SvREFCNT_dec (SvRV (coro_current));
1753	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1944	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1754		1945
		1946	void
		1947	_set_readyhook (SV *hook)
		1948	PROTOTYPE: $
		1949	CODE:
		1950	LOCK;
		1951	SvREFCNT_dec (coro_readyhook);
		1952	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1953	UNLOCK;
		1954
1755	int	1955	int
1756	prio (Coro::State coro, int newprio = 0)	1956	prio (Coro::State coro, int newprio = 0)
1757	ALIAS:	1957	ALIAS:
1758	nice = 1	1958	nice = 1
1759	CODE:	1959	CODE:
…		…
1795	PROTOTYPE: $;$	1995	PROTOTYPE: $;$
1796	CODE:	1996	CODE:
1797	SvREFCNT_dec (self->throw);	1997	SvREFCNT_dec (self->throw);
1798	self->throw = SvOK (throw) ? newSVsv (throw) : 0;	1998	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1799		1999
		2000	void
		2001	swap_defsv (Coro::State self)
		2002	PROTOTYPE: $
		2003	ALIAS:
		2004	swap_defav = 1
		2005	CODE:
		2006	if (!self->slot)
		2007	croak ("cannot swap state with coroutine that has no saved state");
		2008	else
		2009	{
		2010	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2011	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2012
		2013	SV tmp = src; src = dst; *dst = tmp;
		2014	}
		2015
1800	# for async_pool speedup	2016	# for async_pool speedup
1801	void	2017	void
1802	_pool_1 (SV *cb)	2018	_pool_1 (SV *cb)
1803	CODE:	2019	CODE:
1804	{	2020	{
…		…
1808	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2024	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1809	AV *invoke_av;	2025	AV *invoke_av;
1810	int i, len;	2026	int i, len;
1811		2027
1812	if (!invoke)	2028	if (!invoke)
		2029	{
		2030	SV *old = PL_diehook;
		2031	PL_diehook = 0;
		2032	SvREFCNT_dec (old);
1813	croak ("\3async_pool terminate\2\n");	2033	croak ("\3async_pool terminate\2\n");
		2034	}
1814		2035
1815	SvREFCNT_dec (coro->saved_deffh);	2036	SvREFCNT_dec (coro->saved_deffh);
1816	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2037	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1817		2038
1818	hv_store (hv, "desc", sizeof ("desc") - 1,	2039	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1844	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2065	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1845	coro->saved_deffh = 0;	2066	coro->saved_deffh = 0;
1846		2067
1847	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2068	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1848	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2069	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2070	{
		2071	SV *old = PL_diehook;
		2072	PL_diehook = 0;
		2073	SvREFCNT_dec (old);
1849	croak ("\3async_pool terminate\2\n");	2074	croak ("\3async_pool terminate\2\n");
		2075	}
1850		2076
1851	av_clear (GvAV (PL_defgv));	2077	av_clear (GvAV (PL_defgv));
1852	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2078	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1853	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2079	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1854		2080
…		…
1893	PL_laststype = data->laststype;	2119	PL_laststype = data->laststype;
1894	PL_laststatval = data->laststatval;	2120	PL_laststatval = data->laststatval;
1895	PL_statcache = data->statcache;	2121	PL_statcache = data->statcache;
1896	}	2122	}
1897		2123
		2124
		2125	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2126
		2127	BOOT:
		2128	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2129
		2130	SV *
		2131	_schedule (...)
		2132	PROTOTYPE: @
		2133	CODE:
		2134	{
		2135	static int incede;
		2136
		2137	api_cede_notself ();
		2138
		2139	++incede;
		2140	while (coro_nready >= incede && api_cede ())
		2141	;
		2142
		2143	sv_setsv (sv_activity, &PL_sv_undef);
		2144	if (coro_nready >= incede)
		2145	{
		2146	PUSHMARK (SP);
		2147	PUTBACK;
		2148	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2149	SPAGAIN;
		2150	}
		2151
		2152	--incede;
		2153	}
		2154

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Comparing Coro/Coro/State.xs (file contents): Revision 1.198 by root, Sun Oct 7 03:58:37 2007 UTC vs. Revision 1.240 by root, Sun Jun 29 00:28:17 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.198 by root, Sun Oct 7 03:58:37 2007 UTC vs.
Revision 1.240 by root, Sun Jun 29 00:28:17 2008 UTC