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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
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
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
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
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
128	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
129		143
130	#include "CoroAPI.h"	144	#include "CoroAPI.h"
131		145
132	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
133	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
136	#else	155	#else
		156
137	# define LOCK (void)0	157	# define LOCK (void)0
138	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
139	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
140		166
141	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
142	struct io_state	168	struct io_state
143	{	169	{
		170	AV *res;
144	int errorno;	171	int errorno;
145	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	173	int laststatval;
147	Stat_t statcache;	174	Stat_t statcache;
148	};	175	};
149		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
		186	static volatile char next_has_throw; /* speedup flag for next->throw check */
156		187
157	static GV irsgv; / $/ */	188	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	189	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	190	static SV *rv_diehook;
160	static SV *rv_warnhook;	191	static SV *rv_warnhook;
…		…
162		193
163	/* async_pool helper stuff */	194	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	195	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	196	static SV *sv_pool_size;
166	static AV *av_async_pool;	197	static AV *av_async_pool;
		198
		199	/* Coro::AnyEvent */
		200	static SV *sv_activity;
167		201
168	static struct coro_cctx *cctx_first;	202	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	203	static int cctx_count, cctx_idle;
170		204
171	enum {	205	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	223	void idle_sp; / sp of top-level transfer/schedule/cede call */
190	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	224	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	225	JMPENV *top_env;
192	coro_context cctx;	226	coro_context cctx;
193		227
		228	U32 gen;
194	#if CORO_USE_VALGRIND	229	#if CORO_USE_VALGRIND
195	int valgrind_id;	230	int valgrind_id;
196	#endif	231	#endif
197	unsigned char flags;	232	unsigned char flags;
198	} coro_cctx;	233	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	292	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	293	#define PRIO_MIN -4
259		294
260	/* for Coro.pm */	295	/* for Coro.pm */
261	static SV *coro_current;	296	static SV *coro_current;
		297	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	298	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
263	static int coro_nready;	299	static int coro_nready;
264	static struct coro *coro_first;	300	static struct coro *coro_first;
265		301
266	/ lowlevel stuff ********************************************************/	302	/ lowlevel stuff ********************************************************/
267		303
…		…
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	345	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	346	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	347	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	348	--AvFILLp (padlist);
313		349
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	350	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	351	av_store (newpadlist, 1, (SV *)newpad);
316		352
317	return newpadlist;	353	return newpadlist;
318	}	354	}
319		355
…		…
349		385
350	/* casting is fun. */	386	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	387	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	388	free_padlist (aTHX_ padlist);
353		389
		390	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		391
354	return 0;	392	return 0;
355	}	393	}
356		394
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	395	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	396	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	398	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	399	0, 0, 0, 0,
362	coro_cv_free	400	coro_cv_free
363	};	401	};
364		402
365	#define CORO_MAGIC(sv,type) \	403	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	404	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	405	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	406	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	407	: mg_find (sv, type) \
370	: 0	408	: 0
371		409
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	410	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
373	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	411	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		412
375	static struct coro *	413	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	446	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	447	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	448	else
411	{	449	{
412	#if CORO_PREFER_PERL_FUNCTIONS	450	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	451	/* this is probably cleaner? but also slower! */
		452	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	453	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	454	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	455	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	456	SvREFCNT_dec (cp);
418	#else	457	#else
…		…
502		541
503	if (expect_true (CvDEPTH (cv)))	542	if (expect_true (CvDEPTH (cv)))
504	{	543	{
505	EXTEND (SP, 3);	544	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	545	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	546	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	547	PUSHs ((SV *)cv);
509		548
510	CvDEPTH (cv) = 0;	549	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	550	get_padlist (aTHX_ cv);
512	}	551	}
…		…
604		643
605	/*	644	/*
606	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
607	*/	646	*/
608	static void	647	static void
609	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
610	{	649	{
611	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
613		652
614	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
651	#undef VAR	690	#undef VAR
652	}	691	}
653	else	692	else
654	slot = coro->slot;	693	slot = coro->slot;
655		694
		695	if (slot)
		696	{
656	rss += sizeof (slot->curstackinfo);	697	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	698	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	699	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	700	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	701	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	702	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	703	rss += slot->savestack_max * sizeof (ANY);
663		704
664	#if !PERL_VERSION_ATLEAST (5,10,0)	705	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	706	rss += slot->retstack_max * sizeof (OP *);
666	#endif	707	#endif
		708	}
667	}	709	}
668		710
669	return rss;	711	return rss;
670	}	712	}
671		713
672	/ coroutine stack handling **********************************************/	714	/ coroutine stack handling **********************************************/
673		715
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	717	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		718	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		719
		720	/* apparently < 5.8.8 */
		721	#ifndef MgPV_nolen_const
		722	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		723	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		724	(const char*)(mg)->mg_ptr)
		725	#endif
676		726
677	/*	727	/*
678	* This overrides the default magic get method of %SIG elements.	728	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	729	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	730	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	738	{
689	const char *s = MgPV_nolen_const (mg);	739	const char *s = MgPV_nolen_const (mg);
690		740
691	if (*s == '_')	741	if (*s == '_')
692	{	742	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	743	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	744
		745	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		746	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		747
		748	if (svp)
		749	{
		750	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		751	return 0;
		752	}
695	}	753	}
696		754
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	755	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		760	{
		761	const char *s = MgPV_nolen_const (mg);
		762
		763	if (*s == '_')
		764	{
		765	SV **svp = 0;
		766
		767	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		768	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		769
		770	if (svp)
		771	{
		772	SV old = svp;
		773	*svp = 0;
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	780	}
699		781
700	static int	782	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	783	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	784	{
…		…
712	if (svp)	794	if (svp)
713	{	795	{
714	SV old = svp;	796	SV old = svp;
715	*svp = newSVsv (sv);	797	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	798	SvREFCNT_dec (old);
717	return;	799	return 0;
718	}	800	}
719	}	801	}
720		802
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	803	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	804	}
…		…
749	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
750	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
751	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
752	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	834	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
753	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
754	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
755		837
756	{	838	{
757	dSP;	839	dSP;
758	LOGOP myop;	840	LOGOP myop;
759		841
…		…
776	*/	858	*/
777	ENTER;	859	ENTER;
778	}	860	}
779		861
780	static void	862	static void
781	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
782	{	864	{
783	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
784	{	866	{
785	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
786	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
808	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
809		891
810	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
811	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
812		894
813	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
814	}	896	}
815		897
816	static void	898	static void
817	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
818	{	900	{
…		…
855	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
856	: bot;	938	: bot;
857		939
858	av_extend (av, top - bot);	940	av_extend (av, top - bot);
859	while (bot < top)	941	while (bot < top)
860	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
861		943
862	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
863	ENTER;	945	ENTER;
864	SAVETMPS;	946	SAVETMPS;
865	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
948	}	1030	}
949		1031
950	/* inject a fake call to Coro::State::_cctx_init into the execution */	1032	/* inject a fake call to Coro::State::_cctx_init into the execution */
951	/* _cctx_init should be careful, as it could be called at almost any time */	1033	/* _cctx_init should be careful, as it could be called at almost any time */
952	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
953	static void NOINLINE	1036	static void NOINLINE
954	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
955	{	1038	{
956	dSP;	1039	dSP;
957	LOGOP myop;	1040	LOGOP myop;
…		…
973	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
974	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
975	SPAGAIN;	1058	SPAGAIN;
976	}	1059	}
977		1060
		1061	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1062	static void
		1063	transfer_tail (void)
		1064	{
		1065	UNLOCK;
		1066
		1067	if (expect_false (next_has_throw))
		1068	{
		1069	struct coro *coro = SvSTATE (coro_current);
		1070
		1071	if (coro->throw)
		1072	{
		1073	SV *exception = coro->throw;
		1074	coro->throw = 0;
		1075	sv_setsv (ERRSV, exception);
		1076	croak (0);
		1077	}
		1078	}
		1079	}
		1080
978	/*	1081	/*
979	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
980	*/	1083	*/
981	static void	1084	static void
982	cctx_run (void *arg)	1085	cctx_run (void *arg)
983	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
984	dTHX;	1093	dTHX;
985		1094
986	/* cctx_run is the alternative tail of transfer(), so unlock here. */
987	UNLOCK;
988
989	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
990	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
991		1097
992	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
993	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
994		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
995	/* somebody or something will hit me for both perl_run and PL_restartop */	1104	/* somebody or something will hit me for both perl_run and PL_restartop */
996	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
997	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
998		1107
999	/*	1108	/*
1000	* If perl-run returns we assume exit() was being called or the coro	1109	* If perl-run returns we assume exit() was being called or the coro
1001	* fell off the end, which seems to be the only valid (non-bug)	1110	* fell off the end, which seems to be the only valid (non-bug)
1002	* reason for perl_run to return. We try to exit by jumping to the	1111	* reason for perl_run to return. We try to exit by jumping to the
1003	* bootstrap-time "top" top_env, as we cannot restore the "main"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
1004	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
1005	*/	1114	*/
1006	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
1007	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1116	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1117	}
1008	}	1118	}
1009		1119
1010	static coro_cctx *	1120	static coro_cctx *
1011	cctx_new ()	1121	cctx_new ()
1012	{	1122	{
1013	coro_cctx *cctx;	1123	coro_cctx *cctx;
		1124
		1125	++cctx_count;
		1126	New (0, cctx, 1, coro_cctx);
		1127
		1128	cctx->gen = cctx_gen;
		1129	cctx->flags = 0;
		1130	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel */
		1131
		1132	return cctx;
		1133	}
		1134
		1135	/* create a new cctx only suitable as source */
		1136	static coro_cctx *
		1137	cctx_new_empty ()
		1138	{
		1139	coro_cctx *cctx = cctx_new ();
		1140
		1141	cctx->sptr = 0;
		1142	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1143
		1144	return cctx;
		1145	}
		1146
		1147	/* create a new cctx suitable as destination/running a perl interpreter */
		1148	static coro_cctx *
		1149	cctx_new_run ()
		1150	{
		1151	coro_cctx *cctx = cctx_new ();
1014	void *stack_start;	1152	void *stack_start;
1015	size_t stack_size;	1153	size_t stack_size;
1016		1154
1017	++cctx_count;
1018
1019	Newz (0, cctx, 1, coro_cctx);
1020
1021	#if HAVE_MMAP	1155	#if HAVE_MMAP
1022	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1156	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1023	/* mmap supposedly does allocate-on-write for us */	1157	/* mmap supposedly does allocate-on-write for us */
1024	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1158	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1025		1159
1026	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
1027	{	1161	{
…		…
1033	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
1034	}	1168	}
1035	else	1169	else
1036	#endif	1170	#endif
1037	{	1171	{
1038	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1039	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
1040		1174
1041	if (!cctx->sptr)	1175	if (!cctx->sptr)
1042	{	1176	{
1043	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
1044	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1059	{	1193	{
1060	if (!cctx)	1194	if (!cctx)
1061	return;	1195	return;
1062		1196
1063	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1064		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1065	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1066	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1067	#endif	1205	#endif
1068		1206
1069	#if HAVE_MMAP	1207	#if HAVE_MMAP
1070	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1071	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1072	else	1210	else
1073	#endif	1211	#endif
1074	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1075		1214
1076	Safefree (cctx);	1215	Safefree (cctx);
1077	}	1216	}
1078		1217
1079	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1080	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1219	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1081		1220
1082	static coro_cctx *	1221	static coro_cctx *
1083	cctx_get (pTHX)	1222	cctx_get (pTHX)
1084	{	1223	{
1085	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1092	return cctx;	1231	return cctx;
1093		1232
1094	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1095	}	1234	}
1096		1235
1097	return cctx_new ();	1236	return cctx_new_run ();
1098	}	1237	}
1099		1238
1100	static void	1239	static void
1101	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1102	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1103	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1104	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1105	{	1246	{
1106	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1107	cctx_first = first->next;	1248	cctx_first = first->next;
1108	--cctx_idle;	1249	--cctx_idle;
1109		1250
…		…
1141	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1142	static void NOINLINE	1283	static void NOINLINE
1143	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1144	{	1285	{
1145	dSTACKLEVEL;	1286	dSTACKLEVEL;
1146	static volatile int has_throw;
1147		1287
1148	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1149	if (expect_false (!next))	1289	if (expect_false (!next))
1150	{	1290	{
1151	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1291	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1155	{	1295	{
1156	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1157		1297
1158	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1159	{	1299	{
1160	/* create a new empty context */	1300	/* create a new empty/source context */
1161	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1162	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1163	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1164	}	1304	}
1165		1305
1166	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
…		…
1181	else	1321	else
1182	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1183		1323
1184	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1185		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1186	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1187	if (expect_true (	1329	if (expect_true (
1188	prev__cctx->idle_sp == STACKLEVEL	1330	prev__cctx->idle_sp == STACKLEVEL
1189	&& !(prev__cctx->flags & CC_TRACE)	1331	&& !(prev__cctx->flags & CC_TRACE)
1190	&& !force_cctx	1332	&& !force_cctx
…		…
1207	++next->usecount;	1349	++next->usecount;
1208		1350
1209	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1210	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
1211		1353
1212	has_throw = !!next->throw;	1354	next_has_throw = !!next->throw;
1213		1355
1214	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1215	{	1357	{
1216	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1217	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1219	}	1361	}
1220		1362
1221	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1222	UNLOCK;	1364	UNLOCK;
1223		1365
1224	if (expect_false (has_throw))	1366	transfer_tail ();
1225	{
1226	struct coro *coro = SvSTATE (coro_current);
1227
1228	if (coro->throw)
1229	{
1230	SV *exception = coro->throw;
1231	coro->throw = 0;
1232	sv_setsv (ERRSV, exception);
1233	croak (0);
1234	}
1235	}
1236	}	1367	}
1237	}	1368	}
1238		1369
1239	struct transfer_args	1370	struct transfer_args
1240	{	1371	{
…		…
1273	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1274		1405
1275	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1276	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1277		1408
1278	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1279		1410
1280	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1281		1412
1282	coro->slot = 0;	1413	coro->slot = 0;
1283	}	1414	}
…		…
1371	static int	1502	static int
1372	api_ready (SV *coro_sv)	1503	api_ready (SV *coro_sv)
1373	{	1504	{
1374	dTHX;	1505	dTHX;
1375	struct coro *coro;	1506	struct coro *coro;
		1507	SV *sv_hook;
		1508	void (*xs_hook)(void);
1376		1509
1377	if (SvROK (coro_sv))	1510	if (SvROK (coro_sv))
1378	coro_sv = SvRV (coro_sv);	1511	coro_sv = SvRV (coro_sv);
1379		1512
1380	coro = SvSTATE (coro_sv);	1513	coro = SvSTATE (coro_sv);
…		…
1383	return 0;	1516	return 0;
1384		1517
1385	coro->flags \|= CF_READY;	1518	coro->flags \|= CF_READY;
1386		1519
1387	LOCK;	1520	LOCK;
		1521
		1522	sv_hook = coro_nready ? 0 : coro_readyhook;
		1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1524
1388	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1389	++coro_nready;	1526	++coro_nready;
		1527
1390	UNLOCK;	1528	UNLOCK;
		1529
		1530	if (sv_hook)
		1531	{
		1532	dSP;
		1533
		1534	ENTER;
		1535	SAVETMPS;
		1536
		1537	PUSHMARK (SP);
		1538	PUTBACK;
		1539	call_sv (sv_hook, G_DISCARD);
		1540	SPAGAIN;
		1541
		1542	FREETMPS;
		1543	LEAVE;
		1544	}
		1545
		1546	if (xs_hook)
		1547	xs_hook ();
1391		1548
1392	return 1;	1549	return 1;
1393	}	1550	}
1394		1551
1395	static int	1552	static int
…		…
1528	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1529		1686
1530	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1531	{	1688	{
1532	if (!coro->cctx)	1689	if (!coro->cctx)
1533	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1534	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1535	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1536		1693
1537	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1538	}	1695	}
…		…
1545	else	1702	else
1546	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1547	}	1704	}
1548	}	1705	}
1549		1706
		1707	#if 0
		1708	static int
		1709	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1710	{
		1711	AV *padlist;
		1712	AV av = (AV )mg->mg_obj;
		1713
		1714	abort ();
		1715
		1716	return 0;
		1717	}
		1718
		1719	static MGVTBL coro_gensub_vtbl = {
		1720	0, 0, 0, 0,
		1721	coro_gensub_free
		1722	};
		1723	#endif
		1724
		1725	/*****************************************************************************/
		1726	/* PerlIO::cede */
		1727
		1728	typedef struct
		1729	{
		1730	PerlIOBuf base;
		1731	NV next, every;
		1732	} PerlIOCede;
		1733
		1734	static IV
		1735	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1736	{
		1737	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1738
		1739	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1740	self->next = nvtime () + self->every;
		1741
		1742	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1743	}
		1744
		1745	static SV *
		1746	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1747	{
		1748	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1749
		1750	return newSVnv (self->every);
		1751	}
		1752
		1753	static IV
		1754	PerlIOCede_flush (pTHX_ PerlIO *f)
		1755	{
		1756	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1757	double now = nvtime ();
		1758
		1759	if (now >= self->next)
		1760	{
		1761	api_cede ();
		1762	self->next = now + self->every;
		1763	}
		1764
		1765	return PerlIOBuf_flush (aTHX_ f);
		1766	}
		1767
		1768	static PerlIO_funcs PerlIO_cede =
		1769	{
		1770	sizeof(PerlIO_funcs),
		1771	"cede",
		1772	sizeof(PerlIOCede),
		1773	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1774	PerlIOCede_pushed,
		1775	PerlIOBuf_popped,
		1776	PerlIOBuf_open,
		1777	PerlIOBase_binmode,
		1778	PerlIOCede_getarg,
		1779	PerlIOBase_fileno,
		1780	PerlIOBuf_dup,
		1781	PerlIOBuf_read,
		1782	PerlIOBuf_unread,
		1783	PerlIOBuf_write,
		1784	PerlIOBuf_seek,
		1785	PerlIOBuf_tell,
		1786	PerlIOBuf_close,
		1787	PerlIOCede_flush,
		1788	PerlIOBuf_fill,
		1789	PerlIOBase_eof,
		1790	PerlIOBase_error,
		1791	PerlIOBase_clearerr,
		1792	PerlIOBase_setlinebuf,
		1793	PerlIOBuf_get_base,
		1794	PerlIOBuf_bufsiz,
		1795	PerlIOBuf_get_ptr,
		1796	PerlIOBuf_get_cnt,
		1797	PerlIOBuf_set_ptrcnt,
		1798	};
		1799
		1800
1550	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1551		1802
1552	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1553		1804
1554	BOOT:	1805	BOOT:
1555	{	1806	{
1556	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1557	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1558	#endif	1812	#endif
1559	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1560		1814
1561	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1562	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1563		1817
1564	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1818	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1565	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1819	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1566	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1820	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1567	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1568		1821
1569	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1822	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1570	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1823	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1571	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1824	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1572		1825
…		…
1581	main_top_env = PL_top_env;	1834	main_top_env = PL_top_env;
1582		1835
1583	while (main_top_env->je_prev)	1836	while (main_top_env->je_prev)
1584	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1585		1838
1586	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1587	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1588	coroapi.transfer = api_transfer;	1841	coroapi.transfer = api_transfer;
		1842
		1843	{
		1844	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1845
		1846	if (!svp) croak ("Time::HiRes is required");
		1847	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1848
		1849	nvtime = INT2PTR (double ()(), SvIV (svp));
		1850	}
1589		1851
1590	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1591	}	1853	}
1592		1854
1593	SV *	1855	SV *
…		…
1641	ta.next = 0;	1903	ta.next = 0;
1642	break;	1904	break;
1643		1905
1644	case 1:	1906	case 1:
1645	if (items != 2)	1907	if (items != 2)
1646	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1908	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1647		1909
1648	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1649	break;	1911	break;
1650		1912
1651	case 2:	1913	case 2:
…		…
1677	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1939	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1678	OUTPUT:	1940	OUTPUT:
1679	RETVAL	1941	RETVAL
1680		1942
1681	void	1943	void
1682	_exit (code)	1944	_exit (int code)
1683	int code
1684	PROTOTYPE: $	1945	PROTOTYPE: $
1685	CODE:	1946	CODE:
1686	_exit (code);	1947	_exit (code);
1687		1948
1688	int	1949	int
1689	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1690	CODE:	1951	CODE:
1691	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1692	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1693	coro_stacksize = new_stacksize;	1955	cctx_stacksize = new_stacksize;
		1956	++cctx_gen;
		1957	}
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int
		1962	cctx_max_idle (int max_idle = 0)
		1963	CODE:
		1964	RETVAL = cctx_max_idle;
		1965	if (max_idle > 1)
		1966	cctx_max_idle = max_idle;
1694	OUTPUT:	1967	OUTPUT:
1695	RETVAL	1968	RETVAL
1696		1969
1697	int	1970	int
1698	cctx_count ()	1971	cctx_count ()
…		…
1722	call (Coro::State coro, SV *coderef)	1995	call (Coro::State coro, SV *coderef)
1723	ALIAS:	1996	ALIAS:
1724	eval = 1	1997	eval = 1
1725	CODE:	1998	CODE:
1726	{	1999	{
1727	if (coro->mainstack)	2000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1728	{	2001	{
1729	struct coro temp;	2002	struct coro temp;
1730		2003
1731	if (!(coro->flags & CF_RUNNING))	2004	if (!(coro->flags & CF_RUNNING))
1732	{	2005	{
…		…
1779		2052
1780	void	2053	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2054	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		2055
1783	SV *	2056	SV *
1784	has_stack (Coro::State coro)	2057	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	2058	PROTOTYPE: $
1786	CODE:	2059	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	2060	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	2061	OUTPUT:
1789	RETVAL	2062	RETVAL
…		…
1794	CODE:	2067	CODE:
1795	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1796	OUTPUT:	2069	OUTPUT:
1797	RETVAL	2070	RETVAL
1798		2071
1799	IV	2072	UV
1800	rss (Coro::State coro)	2073	rss (Coro::State coro)
1801	PROTOTYPE: $	2074	PROTOTYPE: $
1802	ALIAS:	2075	ALIAS:
1803	usecount = 1	2076	usecount = 1
1804	CODE:	2077	CODE:
…		…
1814	force_cctx ()	2087	force_cctx ()
1815	CODE:	2088	CODE:
1816	struct coro *coro = SvSTATE (coro_current);	2089	struct coro *coro = SvSTATE (coro_current);
1817	coro->cctx->idle_sp = 0;	2090	coro->cctx->idle_sp = 0;
1818		2091
1819	MODULE = Coro::State PACKAGE = Coro
1820
1821	BOOT:
1822	{
1823	int i;
1824
1825	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1826	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1827	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1828
1829	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1830	SvREADONLY_on (coro_current);
1831
1832	coro_stash = gv_stashpv ("Coro", TRUE);
1833
1834	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1835	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1836	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1837	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1838	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1839	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1840
1841	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1842	coro_ready[i] = newAV ();
1843
1844	{
1845	SV *sv = perl_get_sv ("Coro::API", TRUE);
1846	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1847
1848	coroapi.schedule = api_schedule;
1849	coroapi.cede = api_cede;
1850	coroapi.cede_notself = api_cede_notself;
1851	coroapi.ready = api_ready;
1852	coroapi.is_ready = api_is_ready;
1853	coroapi.nready = &coro_nready;
1854	coroapi.current = coro_current;
1855
1856	GCoroAPI = &coroapi;
1857	sv_setiv (sv, (IV)&coroapi);
1858	SvREADONLY_on (sv);
1859	}
1860	}
1861
1862	void
1863	_set_current (SV *current)
1864	PROTOTYPE: $
1865	CODE:
1866	SvREFCNT_dec (SvRV (coro_current));
1867	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1868
1869	int
1870	prio (Coro::State coro, int newprio = 0)
1871	ALIAS:
1872	nice = 1
1873	CODE:
1874	{
1875	RETVAL = coro->prio;
1876
1877	if (items > 1)
1878	{
1879	if (ix)
1880	newprio = coro->prio - newprio;
1881
1882	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1883	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1884
1885	coro->prio = newprio;
1886	}
1887	}
1888	OUTPUT:
1889	RETVAL
1890
1891	SV *
1892	ready (SV *self)
1893	PROTOTYPE: $
1894	CODE:
1895	RETVAL = boolSV (api_ready (self));
1896	OUTPUT:
1897	RETVAL
1898
1899	int
1900	nready (...)
1901	PROTOTYPE:
1902	CODE:
1903	RETVAL = coro_nready;
1904	OUTPUT:
1905	RETVAL
1906
1907	void
1908	throw (Coro::State self, SV *throw = &PL_sv_undef)
1909	PROTOTYPE: $;$
1910	CODE:
1911	SvREFCNT_dec (self->throw);
1912	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1913
1914	void	2092	void
1915	swap_defsv (Coro::State self)	2093	swap_defsv (Coro::State self)
1916	PROTOTYPE: $	2094	PROTOTYPE: $
1917	ALIAS:	2095	ALIAS:
1918	swap_defav = 1	2096	swap_defav = 1
…		…
1925	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2103	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1926		2104
1927	SV tmp = src; src = dst; *dst = tmp;	2105	SV tmp = src; src = dst; *dst = tmp;
1928	}	2106	}
1929		2107
		2108	MODULE = Coro::State PACKAGE = Coro
		2109
		2110	BOOT:
		2111	{
		2112	int i;
		2113
		2114	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2115	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2116	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2117
		2118	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2119	SvREADONLY_on (coro_current);
		2120
		2121	coro_stash = gv_stashpv ("Coro", TRUE);
		2122
		2123	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2124	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2125	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2126	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2127	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2128	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2129
		2130	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2131	coro_ready[i] = newAV ();
		2132
		2133	{
		2134	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2135	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2136
		2137	coroapi.schedule = api_schedule;
		2138	coroapi.cede = api_cede;
		2139	coroapi.cede_notself = api_cede_notself;
		2140	coroapi.ready = api_ready;
		2141	coroapi.is_ready = api_is_ready;
		2142	coroapi.nready = &coro_nready;
		2143	coroapi.current = coro_current;
		2144
		2145	GCoroAPI = &coroapi;
		2146	sv_setiv (sv, (IV)&coroapi);
		2147	SvREADONLY_on (sv);
		2148	}
		2149	}
		2150
		2151	void
		2152	_set_current (SV *current)
		2153	PROTOTYPE: $
		2154	CODE:
		2155	SvREFCNT_dec (SvRV (coro_current));
		2156	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2157
		2158	void
		2159	_set_readyhook (SV *hook)
		2160	PROTOTYPE: $
		2161	CODE:
		2162	LOCK;
		2163	SvREFCNT_dec (coro_readyhook);
		2164	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2165	UNLOCK;
		2166
		2167	int
		2168	prio (Coro::State coro, int newprio = 0)
		2169	ALIAS:
		2170	nice = 1
		2171	CODE:
		2172	{
		2173	RETVAL = coro->prio;
		2174
		2175	if (items > 1)
		2176	{
		2177	if (ix)
		2178	newprio = coro->prio - newprio;
		2179
		2180	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2181	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2182
		2183	coro->prio = newprio;
		2184	}
		2185	}
		2186	OUTPUT:
		2187	RETVAL
		2188
		2189	SV *
		2190	ready (SV *self)
		2191	PROTOTYPE: $
		2192	CODE:
		2193	RETVAL = boolSV (api_ready (self));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	int
		2198	nready (...)
		2199	PROTOTYPE:
		2200	CODE:
		2201	RETVAL = coro_nready;
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	void
		2206	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2207	PROTOTYPE: $;$
		2208	CODE:
		2209	SvREFCNT_dec (self->throw);
		2210	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2211
1930	# for async_pool speedup	2212	# for async_pool speedup
1931	void	2213	void
1932	_pool_1 (SV *cb)	2214	_pool_1 (SV *cb)
1933	CODE:	2215	CODE:
1934	{	2216	{
…		…
1939	AV *invoke_av;	2221	AV *invoke_av;
1940	int i, len;	2222	int i, len;
1941		2223
1942	if (!invoke)	2224	if (!invoke)
1943	{	2225	{
1944	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2226	SV *old = PL_diehook;
		2227	PL_diehook = 0;
		2228	SvREFCNT_dec (old);
1945	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
1946	}	2230	}
1947		2231
1948	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
1949	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1950		2234
1951	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
1952	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1953		2237
1954	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
1958		2242
1959	if (len > 0)	2243	if (len > 0)
1960	{	2244	{
1961	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
1962	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
1963	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1964	}	2248	}
1965		2249
1966	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
1967	}	2251	}
1968		2252
…		…
1975	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
1976		2260
1977	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1978	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
1979		2263
1980	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1981	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1982	{	2266	{
1983	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2267	SV *old = PL_diehook;
		2268	PL_diehook = 0;
		2269	SvREFCNT_dec (old);
1984	croak ("\3async_pool terminate\2\n");	2270	croak ("\3async_pool terminate\2\n");
1985	}	2271	}
1986		2272
1987	av_clear (GvAV (PL_defgv));	2273	av_clear (GvAV (PL_defgv));
1988	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2274	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1994	api_trace (coro_current, 0);	2280	api_trace (coro_current, 0);
1995		2281
1996	av_push (av_async_pool, newSVsv (coro_current));	2282	av_push (av_async_pool, newSVsv (coro_current));
1997	}	2283	}
1998		2284
		2285	#if 0
		2286
		2287	void
		2288	_generator_call (...)
		2289	PROTOTYPE: @
		2290	PPCODE:
		2291	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2292	xxxx
		2293	abort ();
		2294
		2295	SV *
		2296	gensub (SV *sub, ...)
		2297	PROTOTYPE: &;@
		2298	CODE:
		2299	{
		2300	struct coro *coro;
		2301	MAGIC *mg;
		2302	CV *xcv;
		2303	CV ncv = (CV )newSV_type (SVt_PVCV);
		2304	int i;
		2305
		2306	CvGV (ncv) = CvGV (cv);
		2307	CvFILE (ncv) = CvFILE (cv);
		2308
		2309	Newz (0, coro, 1, struct coro);
		2310	coro->args = newAV ();
		2311	coro->flags = CF_NEW;
		2312
		2313	av_extend (coro->args, items - 1);
		2314	for (i = 1; i < items; i++)
		2315	av_push (coro->args, newSVsv (ST (i)));
		2316
		2317	CvISXSUB_on (ncv);
		2318	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2319
		2320	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2321
		2322	CvXSUB (ncv) = CvXSUB (xcv);
		2323	CvANON_on (ncv);
		2324
		2325	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2326	RETVAL = newRV_noinc ((SV *)ncv);
		2327	}
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	#endif
		2332
1999		2333
2000	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
2001		2335
2002	SV *	2336	void
2003	_get_state ()	2337	_get_state (SV *self)
2004	CODE:	2338	PPCODE:
2005	{	2339	{
2006	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
2007		2341	AV *av = newAV ();
		2342	int i;
2008	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
2009	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
2010	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
2011	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
2012		2347
2013	data->errorno = errno;	2348	data->errorno = errno;
2014	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
2015	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
2016	data->statcache = PL_statcache;	2351	data->statcache = PL_statcache;
		2352
		2353	av_extend (av, AvFILLp (defav) + 1 + 1);
		2354
		2355	for (i = 0; i <= AvFILLp (defav); ++i)
		2356	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2357
		2358	av_push (av, data_sv);
		2359
		2360	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2361
		2362	api_ready (self);
2017	}	2363	}
2018	OUTPUT:
2019	RETVAL
2020		2364
2021	void	2365	void
2022	_set_state (char *data_)	2366	_set_state (SV *state)
2023	PROTOTYPE: $	2367	PROTOTYPE: $
2024	CODE:	2368	PPCODE:
2025	{	2369	{
2026	struct io_state data = (void )data_;	2370	AV av = (AV )SvRV (state);
		2371	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2372	int i;
2027		2373
2028	errno = data->errorno;	2374	errno = data->errorno;
2029	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
2030	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
2031	PL_statcache = data->statcache;	2377	PL_statcache = data->statcache;
2032	}
2033		2378
		2379	EXTEND (SP, AvFILLp (av));
		2380	for (i = 0; i < AvFILLp (av); ++i)
		2381	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2382	}
		2383
		2384
		2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2386
		2387	BOOT:
		2388	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2389
		2390	SV *
		2391	_schedule (...)
		2392	PROTOTYPE: @
		2393	CODE:
		2394	{
		2395	static int incede;
		2396
		2397	api_cede_notself ();
		2398
		2399	++incede;
		2400	while (coro_nready >= incede && api_cede ())
		2401	;
		2402
		2403	sv_setsv (sv_activity, &PL_sv_undef);
		2404	if (coro_nready >= incede)
		2405	{
		2406	PUSHMARK (SP);
		2407	PUTBACK;
		2408	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2409	SPAGAIN;
		2410	}
		2411
		2412	--incede;
		2413	}
		2414
		2415
		2416	MODULE = Coro::State PACKAGE = PerlIO::cede
		2417
		2418	BOOT:
		2419	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs. Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC