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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.217 by root, Wed Nov 14 11:32:56 2007 UTC vs.
Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
77	/* 5.8.7 */	104	/* 5.8.7 */
78	#ifndef SvRV_set	105	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
81
82	/* 5.8.8 */
83	#ifndef GV_NOTQUAL
84	# define GV_NOTQUAL 0
85	#endif
86	#ifndef newSV
87	# define newSV(l) NEWSV(0,l)
88	#endif	107	#endif
89		108
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
92	#endif	111	#endif
…		…
123	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
124		143
125	#include "CoroAPI.h"	144	#include "CoroAPI.h"
126		145
127	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
128	static perl_mutex coro_mutex;	147	static perl_mutex coro_lock;
129	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	148	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
130	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	149	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
131	#else	150	#else
132	# define LOCK (void)0	151	# define LOCK (void)0
133	# define UNLOCK (void)0	152	# define UNLOCK (void)0
134	#endif	153	#endif
135		154
136	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
137	struct io_state	156	struct io_state
138	{	157	{
		158	AV *res;
139	int errorno;	159	int errorno;
140	I32 laststype;	160	I32 laststype;
141	int laststatval;	161	int laststatval;
142	Stat_t statcache;	162	Stat_t statcache;
143	};	163	};
144		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
145	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	171	static HV coro_state_stash, coro_stash;
150	static volatile SV coro_mortal; / will be freed after next transfer */	172	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
151		173
152	static GV irsgv; / $/ */	174	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	175	static GV stdoutgv; / STDOUT /
154	static SV *rv_diehook;	176	static SV *rv_diehook;
155	static SV *rv_warnhook;	177	static SV *rv_warnhook;
…		…
157		179
158	/* async_pool helper stuff */	180	/* async_pool helper stuff */
159	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
160	static SV *sv_pool_size;	182	static SV *sv_pool_size;
161	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
162		187
163	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
164	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
165		190
166	enum {	191	enum {
…		…
252	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
253	#define PRIO_MIN -4	278	#define PRIO_MIN -4
254		279
255	/* for Coro.pm */	280	/* for Coro.pm */
256	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
258	static int coro_nready;	284	static int coro_nready;
259	static struct coro *coro_first;	285	static struct coro *coro_first;
260		286
261	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
262		288
263	static SV *	289	static SV *
264	coro_get_sv (pTHX_ const char *name, int create)	290	coro_get_sv (pTHX_ const char *name, int create)
265	{	291	{
266	#if PERL_VERSION_ATLEAST (5,9,0)	292	#if PERL_VERSION_ATLEAST (5,10,0)
267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	293	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
268	get_sv (name, create);	294	get_sv (name, create);
269	#endif	295	#endif
270	return get_sv (name, create);	296	return get_sv (name, create);
271	}	297	}
272		298
273	static AV *	299	static AV *
274	coro_get_av (pTHX_ const char *name, int create)	300	coro_get_av (pTHX_ const char *name, int create)
275	{	301	{
276	#if PERL_VERSION_ATLEAST (5,9,0)	302	#if PERL_VERSION_ATLEAST (5,10,0)
277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	303	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
278	get_av (name, create);	304	get_av (name, create);
279	#endif	305	#endif
280	return get_av (name, create);	306	return get_av (name, create);
281	}	307	}
282		308
283	static HV *	309	static HV *
284	coro_get_hv (pTHX_ const char *name, int create)	310	coro_get_hv (pTHX_ const char *name, int create)
285	{	311	{
286	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	313	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
288	get_hv (name, create);	314	get_hv (name, create);
289	#endif	315	#endif
290	return get_hv (name, create);	316	return get_hv (name, create);
291	}	317	}
…		…
296	AV *padlist = CvPADLIST (cv);	322	AV *padlist = CvPADLIST (cv);
297	AV newpadlist, newpad;	323	AV newpadlist, newpad;
298		324
299	newpadlist = newAV ();	325	newpadlist = newAV ();
300	AvREAL_off (newpadlist);	326	AvREAL_off (newpadlist);
301	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
302	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303	#else	329	#else
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305	#endif	331	#endif
306	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
307	--AvFILLp (padlist);	333	--AvFILLp (padlist);
308		334
309	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
310	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
311		337
312	return newpadlist;	338	return newpadlist;
313	}	339	}
314		340
…		…
344		370
345	/* casting is fun. */	371	/* casting is fun. */
346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
347	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
348		374
		375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		376
349	return 0;	377	return 0;
350	}	378	}
351		379
352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
353	#define CORO_MAGIC_type_state PERL_MAGIC_ext	381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
355	static MGVTBL coro_cv_vtbl = {	383	static MGVTBL coro_cv_vtbl = {
356	0, 0, 0, 0,	384	0, 0, 0, 0,
357	coro_cv_free	385	coro_cv_free
358	};	386	};
359		387
360	#define CORO_MAGIC(sv,type) \	388	#define CORO_MAGIC(sv, type) \
361	SvMAGIC (sv) \	389	SvMAGIC (sv) \
362	? SvMAGIC (sv)->mg_type == type \	390	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (sv) \	391	? SvMAGIC (sv) \
364	: mg_find (sv, type) \	392	: mg_find (sv, type) \
365	: 0	393	: 0
366		394
367	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	395	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
368	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	396	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
369		397
370	static struct coro *	398	static struct coro *
…		…
403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
405	else	433	else
406	{	434	{
407	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
408	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
409	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
410	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
411	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
412	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
413	#else	442	#else
…		…
497		526
498	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
499	{	528	{
500	EXTEND (SP, 3);	529	EXTEND (SP, 3);
501	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
504		533
505	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
506	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
507	}	536	}
…		…
587		616
588	New(54,PL_savestack,24,ANY);	617	New(54,PL_savestack,24,ANY);
589	PL_savestack_ix = 0;	618	PL_savestack_ix = 0;
590	PL_savestack_max = 24;	619	PL_savestack_max = 24;
591		620
592	#if !PERL_VERSION_ATLEAST (5,9,0)	621	#if !PERL_VERSION_ATLEAST (5,10,0)
593	New(54,PL_retstack,4,OP*);	622	New(54,PL_retstack,4,OP*);
594	PL_retstack_ix = 0;	623	PL_retstack_ix = 0;
595	PL_retstack_max = 4;	624	PL_retstack_max = 4;
596	#endif	625	#endif
597	}	626	}
…		…
599		628
600	/*	629	/*
601	* destroy the stacks, the callchain etc...	630	* destroy the stacks, the callchain etc...
602	*/	631	*/
603	static void	632	static void
604	coro_destroy_stacks (pTHX)	633	coro_destruct_stacks (pTHX)
605	{	634	{
606	while (PL_curstackinfo->si_next)	635	while (PL_curstackinfo->si_next)
607	PL_curstackinfo = PL_curstackinfo->si_next;	636	PL_curstackinfo = PL_curstackinfo->si_next;
608		637
609	while (PL_curstackinfo)	638	while (PL_curstackinfo)
…		…
620		649
621	Safefree (PL_tmps_stack);	650	Safefree (PL_tmps_stack);
622	Safefree (PL_markstack);	651	Safefree (PL_markstack);
623	Safefree (PL_scopestack);	652	Safefree (PL_scopestack);
624	Safefree (PL_savestack);	653	Safefree (PL_savestack);
625	#if !PERL_VERSION_ATLEAST (5,9,0)	654	#if !PERL_VERSION_ATLEAST (5,10,0)
626	Safefree (PL_retstack);	655	Safefree (PL_retstack);
627	#endif	656	#endif
628	}	657	}
629		658
630	static size_t	659	static size_t
…		…
646	#undef VAR	675	#undef VAR
647	}	676	}
648	else	677	else
649	slot = coro->slot;	678	slot = coro->slot;
650		679
		680	if (slot)
		681	{
651	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
653	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	684	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
654	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
657	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
658		689
659	#if !PERL_VERSION_ATLEAST (5,9,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
660	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
661	#endif	692	#endif
		693	}
662	}	694	}
663		695
664	return rss;	696	return rss;
665	}	697	}
666		698
667	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
668		700
669	#if 0
670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	701	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		702	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		703	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		704
		705	/* apparently < 5.8.8 */
		706	#ifndef MgPV_nolen_const
		707	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		708	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		709	(const char*)(mg)->mg_ptr)
		710	#endif
671		711
672	/*	712	/*
673	* This overrides the default magic get method of %SIG elements.	713	* This overrides the default magic get method of %SIG elements.
674	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
675	* and instead of tryign to save and restore the hash elements, we just provide	715	* and instead of tryign to save and restore the hash elements, we just provide
…		…
679	* when a schedule happens then, but we ignore this.	719	* when a schedule happens then, but we ignore this.
680	*/	720	*/
681	static int	721	static int
682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	722	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
683	{	723	{
684	return orig_sigelem_get (aTHX_ sv, mg);
685	const char *s = MgPV_nolen_const (mg);	724	const char *s = MgPV_nolen_const (mg);
686		725
687	if (*s == '_')	726	if (*s == '_')
688	{	727	{
689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	728	SV **svp = 0;
690	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	729
		730	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		731	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		732
		733	if (svp)
		734	{
		735	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		736	return 0;
		737	}
		738	}
		739
		740	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		741	}
		742
		743	static int
		744	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		745	{
		746	const char *s = MgPV_nolen_const (mg);
		747
		748	if (*s == '_')
691	}	749	{
		750	SV **svp = 0;
692		751
		752	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		753	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		754
		755	if (svp)
		756	{
		757	SV old = svp;
		758	*svp = 0;
		759	SvREFCNT_dec (old);
		760	return 0;
		761	}
		762	}
		763
		764	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		765	}
		766
		767	static int
		768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		769	{
		770	const char *s = MgPV_nolen_const (mg);
		771
		772	if (*s == '_')
		773	{
		774	SV **svp = 0;
		775
		776	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		777	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		778
		779	if (svp)
		780	{
		781	SV old = svp;
		782	*svp = newSVsv (sv);
		783	SvREFCNT_dec (old);
		784	return 0;
		785	}
		786	}
		787
693	return orig_sigelem_get (aTHX_ sv, mg);	788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694	}	789	}
695	#endif
696		790
697	static void	791	static void
698	coro_setup (pTHX_ struct coro *coro)	792	coro_setup (pTHX_ struct coro *coro)
699	{	793	{
700	/*	794	/*
…		…
709	PL_curpm = 0;	803	PL_curpm = 0;
710	PL_curpad = 0;	804	PL_curpad = 0;
711	PL_localizing = 0;	805	PL_localizing = 0;
712	PL_dirty = 0;	806	PL_dirty = 0;
713	PL_restartop = 0;	807	PL_restartop = 0;
		808	#if PERL_VERSION_ATLEAST (5,10,0)
		809	PL_parser = 0;
		810	#endif
714		811
715	/* recreate the die/warn hooks */	812	/* recreate the die/warn hooks */
716	PL_diehook = 0;	813	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
717	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);	814	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
718	PL_diehook = SvREFCNT_inc (rv_diehook);
719
720	PL_warnhook = 0;
721	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
722	PL_warnhook = SvREFCNT_inc (rv_warnhook);
723		815
724	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
725	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
726	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
727	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	819	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
728	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
729	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
730		822
731	{	823	{
732	dSP;	824	dSP;
733	LOGOP myop;	825	LOGOP myop;
734		826
…		…
751	*/	843	*/
752	ENTER;	844	ENTER;
753	}	845	}
754		846
755	static void	847	static void
756	coro_destroy (pTHX_ struct coro *coro)	848	coro_destruct (pTHX_ struct coro *coro)
757	{	849	{
758	if (!IN_DESTRUCT)	850	if (!IN_DESTRUCT)
759	{	851	{
760	/* restore all saved variables and stuff */	852	/* restore all saved variables and stuff */
761	LEAVE_SCOPE (0);	853	LEAVE_SCOPE (0);
…		…
783	SvREFCNT_dec (PL_warnhook);	875	SvREFCNT_dec (PL_warnhook);
784		876
785	SvREFCNT_dec (coro->saved_deffh);	877	SvREFCNT_dec (coro->saved_deffh);
786	SvREFCNT_dec (coro->throw);	878	SvREFCNT_dec (coro->throw);
787		879
788	coro_destroy_stacks (aTHX);	880	coro_destruct_stacks (aTHX);
789	}	881	}
790		882
791	static void	883	static void
792	free_coro_mortal (pTHX)	884	free_coro_mortal (pTHX)
793	{	885	{
…		…
830	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
831	: bot;	923	: bot;
832		924
833	av_extend (av, top - bot);	925	av_extend (av, top - bot);
834	while (bot < top)	926	while (bot < top)
835	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
836		928
837	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
838	ENTER;	930	ENTER;
839	SAVETMPS;	931	SAVETMPS;
840	EXTEND (SP, 3);	932	EXTEND (SP, 3);
…		…
878	SAVETMPS;	970	SAVETMPS;
879	EXTEND (SP, 3);	971	EXTEND (SP, 3);
880	PUSHMARK (SP);	972	PUSHMARK (SP);
881	PUSHs (&PL_sv_yes);	973	PUSHs (&PL_sv_yes);
882	PUSHs (fullname);	974	PUSHs (fullname);
883	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	975	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884	PUTBACK;	976	PUTBACK;
885	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	977	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
886	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	978	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
887	SPAGAIN;	979	SPAGAIN;
888	FREETMPS;	980	FREETMPS;
…		…
988	coro_cctx *cctx;	1080	coro_cctx *cctx;
989	void *stack_start;	1081	void *stack_start;
990	size_t stack_size;	1082	size_t stack_size;
991		1083
992	++cctx_count;	1084	++cctx_count;
993
994	Newz (0, cctx, 1, coro_cctx);	1085	Newz (0, cctx, 1, coro_cctx);
995		1086
996	#if HAVE_MMAP	1087	#if HAVE_MMAP
997	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1088	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
998	/* mmap supposedly does allocate-on-write for us */	1089	/* mmap supposedly does allocate-on-write for us */
…		…
1034	{	1125	{
1035	if (!cctx)	1126	if (!cctx)
1036	return;	1127	return;
1037		1128
1038	--cctx_count;	1129	--cctx_count;
		1130	coro_destroy (&cctx->cctx);
1039		1131
		1132	/* coro_transfer creates new, empty cctx's */
		1133	if (cctx->sptr)
		1134	{
1040	#if CORO_USE_VALGRIND	1135	#if CORO_USE_VALGRIND
1041	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1136	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1042	#endif	1137	#endif
1043		1138
1044	#if HAVE_MMAP	1139	#if HAVE_MMAP
1045	if (cctx->flags & CC_MAPPED)	1140	if (cctx->flags & CC_MAPPED)
1046	munmap (cctx->sptr, cctx->ssize);	1141	munmap (cctx->sptr, cctx->ssize);
1047	else	1142	else
1048	#endif	1143	#endif
1049	Safefree (cctx->sptr);	1144	Safefree (cctx->sptr);
		1145	}
1050		1146
1051	Safefree (cctx);	1147	Safefree (cctx);
1052	}	1148	}
1053		1149
1054	/* wether this cctx should be destructed */	1150	/* wether this cctx should be destructed */
…		…
1073	}	1169	}
1074		1170
1075	static void	1171	static void
1076	cctx_put (coro_cctx *cctx)	1172	cctx_put (coro_cctx *cctx)
1077	{	1173	{
		1174	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1175
1078	/* free another cctx if overlimit */	1176	/* free another cctx if overlimit */
1079	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1177	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
1080	{	1178	{
1081	coro_cctx *first = cctx_first;	1179	coro_cctx *first = cctx_first;
1082	cctx_first = first->next;	1180	cctx_first = first->next;
…		…
1104	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1202	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105		1203
1106	if (expect_false (next->flags & CF_DESTROYED))	1204	if (expect_false (next->flags & CF_DESTROYED))
1107	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1205	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108		1206
1109	if (
1110	#if PERL_VERSION_ATLEAST (5,9,0)	1207	#if !PERL_VERSION_ATLEAST (5,10,0)
1111	expect_false (PL_parser)
1112	#else
1113	expect_false (PL_lex_state != LEX_NOTPARSING)	1208	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114	#endif
1115	)
1116	croak ("Coro::State::transfer called while parsing, but this is not supported");	1209	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1210	#endif
1117	}	1211	}
1118	}	1212	}
1119		1213
1120	/* always use the TRANSFER macro */	1214	/* always use the TRANSFER macro */
1121	static void NOINLINE	1215	static void NOINLINE
1122	transfer (pTHX_ struct coro prev, struct coro next)	1216	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1123	{	1217	{
1124	dSTACKLEVEL;	1218	dSTACKLEVEL;
1125	static volatile int has_throw;
1126		1219
1127	/* sometimes transfer is only called to set idle_sp */	1220	/* sometimes transfer is only called to set idle_sp */
1128	if (expect_false (!next))	1221	if (expect_false (!next))
1129	{	1222	{
1130	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1223	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1131	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1224	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1132	}	1225	}
1133	else if (expect_true (prev != next))	1226	else if (expect_true (prev != next))
1134	{	1227	{
		1228	static volatile int has_throw;
1135	coro_cctx *prev__cctx;	1229	coro_cctx *prev__cctx;
1136		1230
1137	if (expect_false (prev->flags & CF_NEW))	1231	if (expect_false (prev->flags & CF_NEW))
1138	{	1232	{
1139	/* create a new empty context */	1233	/* create a new empty/source context */
		1234	++cctx_count;
1140	Newz (0, prev->cctx, 1, coro_cctx);	1235	New (0, prev->cctx, 1, coro_cctx);
		1236	prev->cctx->sptr = 0;
		1237	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1238
1141	prev->flags &= ~CF_NEW;	1239	prev->flags &= ~CF_NEW;
1142	prev->flags \|= CF_RUNNING;	1240	prev->flags \|= CF_RUNNING;
1143	}	1241	}
1144		1242
1145	prev->flags &= ~CF_RUNNING;	1243	prev->flags &= ~CF_RUNNING;
…		…
1161	load_perl (aTHX_ next);	1259	load_perl (aTHX_ next);
1162		1260
1163	prev__cctx = prev->cctx;	1261	prev__cctx = prev->cctx;
1164		1262
1165	/* possibly "free" the cctx */	1263	/* possibly "free" the cctx */
1166	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1264	if (expect_true (
		1265	prev__cctx->idle_sp == STACKLEVEL
		1266	&& !(prev__cctx->flags & CC_TRACE)
		1267	&& !force_cctx
		1268	))
1167	{	1269	{
1168	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1270	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1169	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1271	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1170		1272
1171	prev->cctx = 0;	1273	prev->cctx = 0;
…		…
1214	struct transfer_args	1316	struct transfer_args
1215	{	1317	{
1216	struct coro prev, next;	1318	struct coro prev, next;
1217	};	1319	};
1218		1320
1219	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1321	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1220	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1322	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1221		1323
1222	/ high level stuff ******************************************************/	1324	/ high level stuff ******************************************************/
1223		1325
1224	static int	1326	static int
…		…
1248	croak ("FATAL: tried to destroy currently running coroutine");	1350	croak ("FATAL: tried to destroy currently running coroutine");
1249		1351
1250	save_perl (aTHX_ &temp);	1352	save_perl (aTHX_ &temp);
1251	load_perl (aTHX_ coro);	1353	load_perl (aTHX_ coro);
1252		1354
1253	coro_destroy (aTHX_ coro);	1355	coro_destruct (aTHX_ coro);
1254		1356
1255	load_perl (aTHX_ &temp);	1357	load_perl (aTHX_ &temp);
1256		1358
1257	coro->slot = 0;	1359	coro->slot = 0;
1258	}	1360	}
…		…
1318	{	1420	{
1319	dTHX;	1421	dTHX;
1320	struct transfer_args ta;	1422	struct transfer_args ta;
1321		1423
1322	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1424	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1323	TRANSFER (ta);	1425	TRANSFER (ta, 1);
1324	}	1426	}
1325		1427
1326	/ Coro ******************************************************************/	1428	/ Coro ******************************************************************/
1327		1429
1328	static void	1430	static void
…		…
1330	{	1432	{
1331	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1433	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1332	}	1434	}
1333		1435
1334	static SV *	1436	static SV *
1335	coro_deq (pTHX_ int min_prio)	1437	coro_deq (pTHX)
1336	{	1438	{
1337	int prio = PRIO_MAX - PRIO_MIN;	1439	int prio;
1338		1440
1339	min_prio -= PRIO_MIN;
1340	if (min_prio < 0)
1341	min_prio = 0;
1342
1343	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1441	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1344	if (AvFILLp (coro_ready [prio]) >= 0)	1442	if (AvFILLp (coro_ready [prio]) >= 0)
1345	return av_shift (coro_ready [prio]);	1443	return av_shift (coro_ready [prio]);
1346		1444
1347	return 0;	1445	return 0;
1348	}	1446	}
…		…
1350	static int	1448	static int
1351	api_ready (SV *coro_sv)	1449	api_ready (SV *coro_sv)
1352	{	1450	{
1353	dTHX;	1451	dTHX;
1354	struct coro *coro;	1452	struct coro *coro;
		1453	SV *sv_hook;
		1454	void (*xs_hook)(void);
1355		1455
1356	if (SvROK (coro_sv))	1456	if (SvROK (coro_sv))
1357	coro_sv = SvRV (coro_sv);	1457	coro_sv = SvRV (coro_sv);
1358		1458
1359	coro = SvSTATE (coro_sv);	1459	coro = SvSTATE (coro_sv);
…		…
1362	return 0;	1462	return 0;
1363		1463
1364	coro->flags \|= CF_READY;	1464	coro->flags \|= CF_READY;
1365		1465
1366	LOCK;	1466	LOCK;
		1467
		1468	sv_hook = coro_nready ? 0 : coro_readyhook;
		1469	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1470
1367	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1471	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1368	++coro_nready;	1472	++coro_nready;
		1473
1369	UNLOCK;	1474	UNLOCK;
		1475
		1476	if (sv_hook)
		1477	{
		1478	dSP;
		1479
		1480	ENTER;
		1481	SAVETMPS;
		1482
		1483	PUSHMARK (SP);
		1484	PUTBACK;
		1485	call_sv (sv_hook, G_DISCARD);
		1486	SPAGAIN;
		1487
		1488	FREETMPS;
		1489	LEAVE;
		1490	}
		1491
		1492	if (xs_hook)
		1493	xs_hook ();
1370		1494
1371	return 1;	1495	return 1;
1372	}	1496	}
1373		1497
1374	static int	1498	static int
…		…
1384	SV prev_sv, next_sv;	1508	SV prev_sv, next_sv;
1385		1509
1386	for (;;)	1510	for (;;)
1387	{	1511	{
1388	LOCK;	1512	LOCK;
1389	next_sv = coro_deq (aTHX_ PRIO_MIN);	1513	next_sv = coro_deq (aTHX);
1390		1514
1391	/* nothing to schedule: call the idle handler */	1515	/* nothing to schedule: call the idle handler */
1392	if (expect_false (!next_sv))	1516	if (expect_false (!next_sv))
1393	{	1517	{
1394	dSP;	1518	dSP;
…		…
1398	SAVETMPS;	1522	SAVETMPS;
1399		1523
1400	PUSHMARK (SP);	1524	PUSHMARK (SP);
1401	PUTBACK;	1525	PUTBACK;
1402	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1526	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1527	SPAGAIN;
1403		1528
1404	FREETMPS;	1529	FREETMPS;
1405	LEAVE;	1530	LEAVE;
1406	continue;	1531	continue;
1407	}	1532	}
…		…
1462	{	1587	{
1463	dTHX;	1588	dTHX;
1464	struct transfer_args ta;	1589	struct transfer_args ta;
1465		1590
1466	prepare_schedule (aTHX_ &ta);	1591	prepare_schedule (aTHX_ &ta);
1467	TRANSFER (ta);	1592	TRANSFER (ta, 1);
1468	}	1593	}
1469		1594
1470	static int	1595	static int
1471	api_cede (void)	1596	api_cede (void)
1472	{	1597	{
…		…
1475		1600
1476	prepare_cede (aTHX_ &ta);	1601	prepare_cede (aTHX_ &ta);
1477		1602
1478	if (expect_true (ta.prev != ta.next))	1603	if (expect_true (ta.prev != ta.next))
1479	{	1604	{
1480	TRANSFER (ta);	1605	TRANSFER (ta, 1);
1481	return 1;	1606	return 1;
1482	}	1607	}
1483	else	1608	else
1484	return 0;	1609	return 0;
1485	}	1610	}
…		…
1490	dTHX;	1615	dTHX;
1491	struct transfer_args ta;	1616	struct transfer_args ta;
1492		1617
1493	if (prepare_cede_notself (aTHX_ &ta))	1618	if (prepare_cede_notself (aTHX_ &ta))
1494	{	1619	{
1495	TRANSFER (ta);	1620	TRANSFER (ta, 1);
1496	return 1;	1621	return 1;
1497	}	1622	}
1498	else	1623	else
1499	return 0;	1624	return 0;
1500	}	1625	}
…		…
1523	else	1648	else
1524	coro->slot->runops = RUNOPS_DEFAULT;	1649	coro->slot->runops = RUNOPS_DEFAULT;
1525	}	1650	}
1526	}	1651	}
1527		1652
		1653	static int
		1654	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1655	{
		1656	AV *padlist;
		1657	AV av = (AV )mg->mg_obj;
		1658
		1659	abort ();
		1660
		1661	return 0;
		1662	}
		1663
		1664	static MGVTBL coro_gensub_vtbl = {
		1665	0, 0, 0, 0,
		1666	coro_gensub_free
		1667	};
		1668
		1669	/*****************************************************************************/
		1670	/* PerlIO::cede */
		1671
		1672	typedef struct
		1673	{
		1674	PerlIOBuf base;
		1675	NV next, every;
		1676	} PerlIOCede;
		1677
		1678	static IV
		1679	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1680	{
		1681	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1682
		1683	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1684	self->next = nvtime () + self->every;
		1685
		1686	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1687	}
		1688
		1689	static SV *
		1690	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1691	{
		1692	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1693
		1694	return newSVnv (self->every);
		1695	}
		1696
		1697	static IV
		1698	PerlIOCede_flush (pTHX_ PerlIO *f)
		1699	{
		1700	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1701	double now = nvtime ();
		1702
		1703	if (now >= self->next)
		1704	{
		1705	api_cede ();
		1706	self->next = now + self->every;
		1707	}
		1708
		1709	return PerlIOBuf_flush (aTHX_ f);
		1710	}
		1711
		1712	static PerlIO_funcs PerlIO_cede =
		1713	{
		1714	sizeof(PerlIO_funcs),
		1715	"cede",
		1716	sizeof(PerlIOCede),
		1717	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1718	PerlIOCede_pushed,
		1719	PerlIOBuf_popped,
		1720	PerlIOBuf_open,
		1721	PerlIOBase_binmode,
		1722	PerlIOCede_getarg,
		1723	PerlIOBase_fileno,
		1724	PerlIOBuf_dup,
		1725	PerlIOBuf_read,
		1726	PerlIOBuf_unread,
		1727	PerlIOBuf_write,
		1728	PerlIOBuf_seek,
		1729	PerlIOBuf_tell,
		1730	PerlIOBuf_close,
		1731	PerlIOCede_flush,
		1732	PerlIOBuf_fill,
		1733	PerlIOBase_eof,
		1734	PerlIOBase_error,
		1735	PerlIOBase_clearerr,
		1736	PerlIOBase_setlinebuf,
		1737	PerlIOBuf_get_base,
		1738	PerlIOBuf_bufsiz,
		1739	PerlIOBuf_get_ptr,
		1740	PerlIOBuf_get_cnt,
		1741	PerlIOBuf_set_ptrcnt,
		1742	};
		1743
		1744
1528	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1745	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1529		1746
1530	PROTOTYPES: DISABLE	1747	PROTOTYPES: DISABLE
1531		1748
1532	BOOT:	1749	BOOT:
1533	{	1750	{
1534	#ifdef USE_ITHREADS	1751	#ifdef USE_ITHREADS
1535	MUTEX_INIT (&coro_mutex);	1752	MUTEX_INIT (&coro_lock);
1536	#endif	1753	#endif
1537	BOOT_PAGESIZE;	1754	BOOT_PAGESIZE;
1538		1755
1539	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1756	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1540	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1757	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1541	#if 0	1758
1542	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1759	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1543	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1760	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1544	#endif	1761	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1762
1545	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1763	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1546	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1764	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1547	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1765	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1548		1766
1549	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1767	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1550		1768
1551	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1769	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1552	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1770	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1557	main_top_env = PL_top_env;	1775	main_top_env = PL_top_env;
1558		1776
1559	while (main_top_env->je_prev)	1777	while (main_top_env->je_prev)
1560	main_top_env = main_top_env->je_prev;	1778	main_top_env = main_top_env->je_prev;
1561		1779
1562	coroapi.ver = CORO_API_VERSION;	1780	coroapi.ver = CORO_API_VERSION;
1563	coroapi.rev = CORO_API_REVISION;	1781	coroapi.rev = CORO_API_REVISION;
1564	coroapi.transfer = api_transfer;	1782	coroapi.transfer = api_transfer;
		1783
		1784	{
		1785	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1786
		1787	if (!svp) croak ("Time::HiRes is required");
		1788	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1789
		1790	nvtime = INT2PTR (double ()(), SvIV (svp));
		1791	}
1565		1792
1566	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1793	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1567	}	1794	}
1568		1795
1569	SV *	1796	SV *
…		…
1607	Coro::cede_notself = 4	1834	Coro::cede_notself = 4
1608	CODE:	1835	CODE:
1609	{	1836	{
1610	struct transfer_args ta;	1837	struct transfer_args ta;
1611		1838
		1839	PUTBACK;
1612	switch (ix)	1840	switch (ix)
1613	{	1841	{
1614	case 0:	1842	case 0:
1615	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1843	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1616	ta.next = 0;	1844	ta.next = 0;
1617	break;	1845	break;
1618		1846
1619	case 1:	1847	case 1:
1620	if (items != 2)	1848	if (items != 2)
1621	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1849	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1622		1850
1623	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1851	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1624	break;	1852	break;
1625		1853
1626	case 2:	1854	case 2:
…		…
1635	if (!prepare_cede_notself (aTHX_ &ta))	1863	if (!prepare_cede_notself (aTHX_ &ta))
1636	XSRETURN_EMPTY;	1864	XSRETURN_EMPTY;
1637		1865
1638	break;	1866	break;
1639	}	1867	}
		1868	SPAGAIN;
1640		1869
1641	BARRIER;	1870	BARRIER;
1642	PUTBACK;	1871	PUTBACK;
1643	TRANSFER (ta);	1872	TRANSFER (ta, 0);
1644	SPAGAIN; /* might be the sp of a different coroutine now */	1873	SPAGAIN; /* might be the sp of a different coroutine now */
1645	/* be extra careful not to ever do anything after TRANSFER */	1874	/* be extra careful not to ever do anything after TRANSFER */
1646	}	1875	}
1647		1876
1648	bool	1877	bool
…		…
1651	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1880	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1652	OUTPUT:	1881	OUTPUT:
1653	RETVAL	1882	RETVAL
1654		1883
1655	void	1884	void
1656	_exit (code)	1885	_exit (int code)
1657	int code
1658	PROTOTYPE: $	1886	PROTOTYPE: $
1659	CODE:	1887	CODE:
1660	_exit (code);	1888	_exit (code);
1661		1889
1662	int	1890	int
…		…
1696	call (Coro::State coro, SV *coderef)	1924	call (Coro::State coro, SV *coderef)
1697	ALIAS:	1925	ALIAS:
1698	eval = 1	1926	eval = 1
1699	CODE:	1927	CODE:
1700	{	1928	{
1701	if (coro->mainstack)	1929	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1702	{	1930	{
1703	struct coro temp;	1931	struct coro temp;
1704		1932
1705	if (!(coro->flags & CF_RUNNING))	1933	if (!(coro->flags & CF_RUNNING))
1706	{	1934	{
		1935	PUTBACK;
1707	save_perl (aTHX_ &temp);	1936	save_perl (aTHX_ &temp);
1708	load_perl (aTHX_ coro);	1937	load_perl (aTHX_ coro);
1709	}	1938	}
1710		1939
1711	{	1940	{
…		…
1730		1959
1731	if (!(coro->flags & CF_RUNNING))	1960	if (!(coro->flags & CF_RUNNING))
1732	{	1961	{
1733	save_perl (aTHX_ coro);	1962	save_perl (aTHX_ coro);
1734	load_perl (aTHX_ &temp);	1963	load_perl (aTHX_ &temp);
		1964	SPAGAIN;
1735	}	1965	}
1736	}	1966	}
1737	}	1967	}
1738		1968
1739	SV *	1969	SV *
…		…
1751		1981
1752	void	1982	void
1753	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1983	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1754		1984
1755	SV *	1985	SV *
1756	has_stack (Coro::State coro)	1986	has_cctx (Coro::State coro)
1757	PROTOTYPE: $	1987	PROTOTYPE: $
1758	CODE:	1988	CODE:
1759	RETVAL = boolSV (!!coro->cctx);	1989	RETVAL = boolSV (!!coro->cctx);
1760	OUTPUT:	1990	OUTPUT:
1761	RETVAL	1991	RETVAL
…		…
1780	case 1: RETVAL = coro->usecount; break;	2010	case 1: RETVAL = coro->usecount; break;
1781	}	2011	}
1782	OUTPUT:	2012	OUTPUT:
1783	RETVAL	2013	RETVAL
1784		2014
		2015	void
		2016	force_cctx ()
		2017	CODE:
		2018	struct coro *coro = SvSTATE (coro_current);
		2019	coro->cctx->idle_sp = 0;
		2020
		2021	void
		2022	swap_defsv (Coro::State self)
		2023	PROTOTYPE: $
		2024	ALIAS:
		2025	swap_defav = 1
		2026	CODE:
		2027	if (!self->slot)
		2028	croak ("cannot swap state with coroutine that has no saved state");
		2029	else
		2030	{
		2031	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2032	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2033
		2034	SV tmp = src; src = dst; *dst = tmp;
		2035	}
1785		2036
1786	MODULE = Coro::State PACKAGE = Coro	2037	MODULE = Coro::State PACKAGE = Coro
1787		2038
1788	BOOT:	2039	BOOT:
1789	{	2040	{
1790	int i;	2041	int i;
1791		2042
		2043	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2044	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1793	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2045	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1794	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1795		2046
1796	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2047	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1797	SvREADONLY_on (coro_current);	2048	SvREADONLY_on (coro_current);
1798		2049
1799	coro_stash = gv_stashpv ("Coro", TRUE);	2050	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1829	void	2080	void
1830	_set_current (SV *current)	2081	_set_current (SV *current)
1831	PROTOTYPE: $	2082	PROTOTYPE: $
1832	CODE:	2083	CODE:
1833	SvREFCNT_dec (SvRV (coro_current));	2084	SvREFCNT_dec (SvRV (coro_current));
1834	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2085	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2086
		2087	void
		2088	_set_readyhook (SV *hook)
		2089	PROTOTYPE: $
		2090	CODE:
		2091	LOCK;
		2092	SvREFCNT_dec (coro_readyhook);
		2093	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2094	UNLOCK;
1835		2095
1836	int	2096	int
1837	prio (Coro::State coro, int newprio = 0)	2097	prio (Coro::State coro, int newprio = 0)
1838	ALIAS:	2098	ALIAS:
1839	nice = 1	2099	nice = 1
…		…
1889	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2149	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1890	AV *invoke_av;	2150	AV *invoke_av;
1891	int i, len;	2151	int i, len;
1892		2152
1893	if (!invoke)	2153	if (!invoke)
		2154	{
		2155	SV *old = PL_diehook;
		2156	PL_diehook = 0;
		2157	SvREFCNT_dec (old);
1894	croak ("\3async_pool terminate\2\n");	2158	croak ("\3async_pool terminate\2\n");
		2159	}
1895		2160
1896	SvREFCNT_dec (coro->saved_deffh);	2161	SvREFCNT_dec (coro->saved_deffh);
1897	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2162	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1898		2163
1899	hv_store (hv, "desc", sizeof ("desc") - 1,	2164	hv_store (hv, "desc", sizeof ("desc") - 1,
1900	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2165	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1901		2166
1902	invoke_av = (AV *)SvRV (invoke);	2167	invoke_av = (AV *)SvRV (invoke);
…		…
1906		2171
1907	if (len > 0)	2172	if (len > 0)
1908	{	2173	{
1909	av_fill (defav, len - 1);	2174	av_fill (defav, len - 1);
1910	for (i = 0; i < len; ++i)	2175	for (i = 0; i < len; ++i)
1911	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2176	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1912	}	2177	}
1913		2178
1914	SvREFCNT_dec (invoke);	2179	SvREFCNT_dec (invoke);
1915	}	2180	}
1916		2181
…		…
1925	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2190	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1926	coro->saved_deffh = 0;	2191	coro->saved_deffh = 0;
1927		2192
1928	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2193	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1929	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2194	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2195	{
		2196	SV *old = PL_diehook;
		2197	PL_diehook = 0;
		2198	SvREFCNT_dec (old);
1930	croak ("\3async_pool terminate\2\n");	2199	croak ("\3async_pool terminate\2\n");
		2200	}
1931		2201
1932	av_clear (GvAV (PL_defgv));	2202	av_clear (GvAV (PL_defgv));
1933	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2203	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1934	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2204	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1935		2205
…		…
1939	api_trace (coro_current, 0);	2209	api_trace (coro_current, 0);
1940		2210
1941	av_push (av_async_pool, newSVsv (coro_current));	2211	av_push (av_async_pool, newSVsv (coro_current));
1942	}	2212	}
1943		2213
		2214	#if 0
		2215
		2216	void
		2217	_generator_call (...)
		2218	PROTOTYPE: @
		2219	PPCODE:
		2220	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2221	xxxx
		2222	abort ();
		2223
		2224	SV *
		2225	gensub (SV *sub, ...)
		2226	PROTOTYPE: &;@
		2227	CODE:
		2228	{
		2229	struct coro *coro;
		2230	MAGIC *mg;
		2231	CV *xcv;
		2232	CV ncv = (CV )newSV_type (SVt_PVCV);
		2233	int i;
		2234
		2235	CvGV (ncv) = CvGV (cv);
		2236	CvFILE (ncv) = CvFILE (cv);
		2237
		2238	Newz (0, coro, 1, struct coro);
		2239	coro->args = newAV ();
		2240	coro->flags = CF_NEW;
		2241
		2242	av_extend (coro->args, items - 1);
		2243	for (i = 1; i < items; i++)
		2244	av_push (coro->args, newSVsv (ST (i)));
		2245
		2246	CvISXSUB_on (ncv);
		2247	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2248
		2249	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2250
		2251	CvXSUB (ncv) = CvXSUB (xcv);
		2252	CvANON_on (ncv);
		2253
		2254	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2255	RETVAL = newRV_noinc ((SV *)ncv);
		2256	}
		2257	OUTPUT:
		2258	RETVAL
		2259
		2260	#endif
		2261
1944		2262
1945	MODULE = Coro::State PACKAGE = Coro::AIO	2263	MODULE = Coro::State PACKAGE = Coro::AIO
1946		2264
1947	SV *	2265	void
1948	_get_state ()	2266	_get_state (SV *self)
1949	CODE:	2267	PPCODE:
1950	{	2268	{
1951	struct io_state *data;	2269	AV *defav = GvAV (PL_defgv);
1952		2270	AV *av = newAV ();
		2271	int i;
1953	RETVAL = newSV (sizeof (struct io_state));	2272	SV *data_sv = newSV (sizeof (struct io_state));
1954	data = (struct io_state *)SvPVX (RETVAL);	2273	struct io_state data = (struct io_state )SvPVX (data_sv);
1955	SvCUR_set (RETVAL, sizeof (struct io_state));	2274	SvCUR_set (data_sv, sizeof (struct io_state));
1956	SvPOK_only (RETVAL);	2275	SvPOK_only (data_sv);
1957		2276
1958	data->errorno = errno;	2277	data->errorno = errno;
1959	data->laststype = PL_laststype;	2278	data->laststype = PL_laststype;
1960	data->laststatval = PL_laststatval;	2279	data->laststatval = PL_laststatval;
1961	data->statcache = PL_statcache;	2280	data->statcache = PL_statcache;
		2281
		2282	av_extend (av, AvFILLp (defav) + 1 + 1);
		2283
		2284	for (i = 0; i <= AvFILLp (defav); ++i)
		2285	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2286
		2287	av_push (av, data_sv);
		2288
		2289	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2290
		2291	api_ready (self);
1962	}	2292	}
1963	OUTPUT:
1964	RETVAL
1965		2293
1966	void	2294	void
1967	_set_state (char *data_)	2295	_set_state (SV *state)
1968	PROTOTYPE: $	2296	PROTOTYPE: $
1969	CODE:	2297	PPCODE:
1970	{	2298	{
1971	struct io_state data = (void )data_;	2299	AV av = (AV )SvRV (state);
		2300	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2301	int i;
1972		2302
1973	errno = data->errorno;	2303	errno = data->errorno;
1974	PL_laststype = data->laststype;	2304	PL_laststype = data->laststype;
1975	PL_laststatval = data->laststatval;	2305	PL_laststatval = data->laststatval;
1976	PL_statcache = data->statcache;	2306	PL_statcache = data->statcache;
1977	}
1978		2307
		2308	EXTEND (SP, AvFILLp (av));
		2309	for (i = 0; i < AvFILLp (av); ++i)
		2310	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2311	}
		2312
		2313
		2314	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2315
		2316	BOOT:
		2317	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2318
		2319	SV *
		2320	_schedule (...)
		2321	PROTOTYPE: @
		2322	CODE:
		2323	{
		2324	static int incede;
		2325
		2326	api_cede_notself ();
		2327
		2328	++incede;
		2329	while (coro_nready >= incede && api_cede ())
		2330	;
		2331
		2332	sv_setsv (sv_activity, &PL_sv_undef);
		2333	if (coro_nready >= incede)
		2334	{
		2335	PUSHMARK (SP);
		2336	PUTBACK;
		2337	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2338	SPAGAIN;
		2339	}
		2340
		2341	--incede;
		2342	}
		2343
		2344
		2345	MODULE = Coro::State PACKAGE = PerlIO::cede
		2346
		2347	BOOT:
		2348	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.217 by root, Wed Nov 14 11:32:56 2007 UTC vs. Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.217 by root, Wed Nov 14 11:32:56 2007 UTC vs.
Revision 1.253 by root, Fri Nov 7 20:12:26 2008 UTC