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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs.
Revision 1.261 by root, Mon Nov 10 05:09:30 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>
…		…
51	#else	52	#else
52	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
53	#endif	54	#endif
54		55
55	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
56	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
57		58
58	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
59	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
60	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
61	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
80	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
81	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
82	# endif	83	# endif
83	#endif	84	#endif
84		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
85	/* 5.8.8 */	96	/* 5.8.8 */
86	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
87	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
88	#endif	99	#endif
89	#ifndef newSV	100	#ifndef newSV
90	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
91	#endif
92
93	/* 5.11 */
94	#ifndef CxHASARGS
95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
96	#endif	102	#endif
97		103
98	/* 5.8.7 */	104	/* 5.8.7 */
99	#ifndef SvRV_set	105	#ifndef SvRV_set
100	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
136	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
137		143
138	#include "CoroAPI.h"	144	#include "CoroAPI.h"
139		145
140	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
141	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
142	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
143	# 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
144	#else	155	#else
		156
145	# define LOCK (void)0	157	# define LOCK (void)0
146	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
147	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
148		166
149	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
150	struct io_state	168	struct io_state
151	{	169	{
		170	AV *res;
152	int errorno;	171	int errorno;
153	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
154	int laststatval;	173	int laststatval;
155	Stat_t statcache;	174	Stat_t statcache;
156	};	175	};
157		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
158	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
159	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
160	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
161	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
162	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
163	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 struct coro *transfer_next;
		187
		188	struct transfer_args
		189	{
		190	struct coro prev, next;
		191	};
164		192
165	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	195	static SV *rv_diehook;
168	static SV *rv_warnhook;	196	static SV *rv_warnhook;
…		…
200	void idle_sp; / sp of top-level transfer/schedule/cede call */	228	void idle_sp; / sp of top-level transfer/schedule/cede call */
201	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	229	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
202	JMPENV *top_env;	230	JMPENV *top_env;
203	coro_context cctx;	231	coro_context cctx;
204		232
		233	U32 gen;
205	#if CORO_USE_VALGRIND	234	#if CORO_USE_VALGRIND
206	int valgrind_id;	235	int valgrind_id;
207	#endif	236	#endif
208	unsigned char flags;	237	unsigned char flags;
209	} coro_cctx;	238	} coro_cctx;
…		…
269	#define PRIO_MIN -4	298	#define PRIO_MIN -4
270		299
271	/* for Coro.pm */	300	/* for Coro.pm */
272	static SV *coro_current;	301	static SV *coro_current;
273	static SV *coro_readyhook;	302	static SV *coro_readyhook;
274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	303	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
275	static int coro_nready;	304	static int coro_nready;
276	static struct coro *coro_first;	305	static struct coro *coro_first;
277		306
278	/ lowlevel stuff ********************************************************/	307	/ lowlevel stuff ********************************************************/
279		308
…		…
321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	350	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
322	#endif	351	#endif
323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	352	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
324	--AvFILLp (padlist);	353	--AvFILLp (padlist);
325		354
326	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	355	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
327	av_store (newpadlist, 1, (SV *)newpad);	356	av_store (newpadlist, 1, (SV *)newpad);
328		357
329	return newpadlist;	358	return newpadlist;
330	}	359	}
331		360
…		…
361		390
362	/* casting is fun. */	391	/* casting is fun. */
363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	392	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
364	free_padlist (aTHX_ padlist);	393	free_padlist (aTHX_ padlist);
365		394
		395	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		396
366	return 0;	397	return 0;
367	}	398	}
368		399
369	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	400	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
370	#define CORO_MAGIC_type_state PERL_MAGIC_ext	401	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
372	static MGVTBL coro_cv_vtbl = {	403	static MGVTBL coro_cv_vtbl = {
373	0, 0, 0, 0,	404	0, 0, 0, 0,
374	coro_cv_free	405	coro_cv_free
375	};	406	};
376		407
377	#define CORO_MAGIC(sv,type) \	408	#define CORO_MAGIC(sv, type) \
378	SvMAGIC (sv) \	409	SvMAGIC (sv) \
379	? SvMAGIC (sv)->mg_type == type \	410	? SvMAGIC (sv)->mg_type == type \
380	? SvMAGIC (sv) \	411	? SvMAGIC (sv) \
381	: mg_find (sv, type) \	412	: mg_find (sv, type) \
382	: 0	413	: 0
383		414
384	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	415	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
385	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	416	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
386		417
387	static struct coro *	418	static struct coro *
…		…
420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	451	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	452	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
422	else	453	else
423	{	454	{
424	#if CORO_PREFER_PERL_FUNCTIONS	455	#if CORO_PREFER_PERL_FUNCTIONS
425	/* this is probably cleaner, but also slower? */	456	/* this is probably cleaner? but also slower! */
		457	/* in practise, it seems to be less stable */
426	CV *cp = Perl_cv_clone (cv);	458	CV *cp = Perl_cv_clone (cv);
427	CvPADLIST (cv) = CvPADLIST (cp);	459	CvPADLIST (cv) = CvPADLIST (cp);
428	CvPADLIST (cp) = 0;	460	CvPADLIST (cp) = 0;
429	SvREFCNT_dec (cp);	461	SvREFCNT_dec (cp);
430	#else	462	#else
…		…
616		648
617	/*	649	/*
618	* destroy the stacks, the callchain etc...	650	* destroy the stacks, the callchain etc...
619	*/	651	*/
620	static void	652	static void
621	coro_destroy_stacks (pTHX)	653	coro_destruct_stacks (pTHX)
622	{	654	{
623	while (PL_curstackinfo->si_next)	655	while (PL_curstackinfo->si_next)
624	PL_curstackinfo = PL_curstackinfo->si_next;	656	PL_curstackinfo = PL_curstackinfo->si_next;
625		657
626	while (PL_curstackinfo)	658	while (PL_curstackinfo)
…		…
663	#undef VAR	695	#undef VAR
664	}	696	}
665	else	697	else
666	slot = coro->slot;	698	slot = coro->slot;
667		699
		700	if (slot)
		701	{
668	rss += sizeof (slot->curstackinfo);	702	rss += sizeof (slot->curstackinfo);
669	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	703	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
670	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	704	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
671	rss += slot->tmps_max * sizeof (SV *);	705	rss += slot->tmps_max * sizeof (SV *);
672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	706	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
673	rss += slot->scopestack_max * sizeof (I32);	707	rss += slot->scopestack_max * sizeof (I32);
674	rss += slot->savestack_max * sizeof (ANY);	708	rss += slot->savestack_max * sizeof (ANY);
675		709
676	#if !PERL_VERSION_ATLEAST (5,10,0)	710	#if !PERL_VERSION_ATLEAST (5,10,0)
677	rss += slot->retstack_max * sizeof (OP *);	711	rss += slot->retstack_max * sizeof (OP *);
678	#endif	712	#endif
		713	}
679	}	714	}
680		715
681	return rss;	716	return rss;
682	}	717	}
683		718
684	/ coroutine stack handling **********************************************/	719	/ coroutine stack handling **********************************************/
685		720
686	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	721	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
687	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	722	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		723	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
688		724
689	/* apparently < 5.8.8 */	725	/* apparently < 5.8.8 */
690	#undef MgPV_nolen_const
691	#ifndef MgPV_nolen_const	726	#ifndef MgPV_nolen_const
692	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	727	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
693	SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \	728	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
694	(const char*)(mg)->mg_ptr)	729	(const char*)(mg)->mg_ptr)
695	#endif	730	#endif
696		731
697	/*	732	/*
698	* This overrides the default magic get method of %SIG elements.	733	* This overrides the default magic get method of %SIG elements.
…		…
708	{	743	{
709	const char *s = MgPV_nolen_const (mg);	744	const char *s = MgPV_nolen_const (mg);
710		745
711	if (*s == '_')	746	if (*s == '_')
712	{	747	{
713	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	748	SV **svp = 0;
714	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	749
		750	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		751	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		752
		753	if (svp)
		754	{
		755	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		756	return 0;
		757	}
715	}	758	}
716		759
717	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	760	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		761	}
		762
		763	static int
		764	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		765	{
		766	const char *s = MgPV_nolen_const (mg);
		767
		768	if (*s == '_')
		769	{
		770	SV **svp = 0;
		771
		772	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		773	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		774
		775	if (svp)
		776	{
		777	SV old = svp;
		778	*svp = 0;
		779	SvREFCNT_dec (old);
		780	return 0;
		781	}
		782	}
		783
		784	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
718	}	785	}
719		786
720	static int	787	static int
721	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	788	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
722	{	789	{
…		…
769	GvSV (PL_defgv) = newSV (0);	836	GvSV (PL_defgv) = newSV (0);
770	GvAV (PL_defgv) = coro->args; coro->args = 0;	837	GvAV (PL_defgv) = coro->args; coro->args = 0;
771	GvSV (PL_errgv) = newSV (0);	838	GvSV (PL_errgv) = newSV (0);
772	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	839	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
773	PL_rs = newSVsv (GvSV (irsgv));	840	PL_rs = newSVsv (GvSV (irsgv));
774	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	841	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
775		842
776	{	843	{
777	dSP;	844	dSP;
778	LOGOP myop;	845	UNOP myop;
779		846
780	Zero (&myop, 1, LOGOP);	847	Zero (&myop, 1, UNOP);
781	myop.op_next = Nullop;	848	myop.op_next = Nullop;
782	myop.op_flags = OPf_WANT_VOID;	849	myop.op_flags = OPf_WANT_VOID;
783		850
784	PUSHMARK (SP);	851	PUSHMARK (SP);
785	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	852	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
…		…
789	SPAGAIN;	856	SPAGAIN;
790	}	857	}
791		858
792	/* this newly created coroutine might be run on an existing cctx which most	859	/* this newly created coroutine might be run on an existing cctx which most
793	* likely was suspended in set_stacklevel, called from entersub.	860	* likely was suspended in set_stacklevel, called from entersub.
794	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,	861	* set_stacklevel doesn't do anything on return, but entersub does LEAVE,
795	* so we ENTER here for symmetry	862	* so we ENTER here for symmetry.
796	*/	863	*/
797	ENTER;	864	ENTER;
798	}	865	}
799		866
800	static void	867	static void
801	coro_destroy (pTHX_ struct coro *coro)	868	coro_destruct (pTHX_ struct coro *coro)
802	{	869	{
803	if (!IN_DESTRUCT)	870	if (!IN_DESTRUCT)
804	{	871	{
805	/* restore all saved variables and stuff */	872	/* restore all saved variables and stuff */
806	LEAVE_SCOPE (0);	873	LEAVE_SCOPE (0);
…		…
828	SvREFCNT_dec (PL_warnhook);	895	SvREFCNT_dec (PL_warnhook);
829		896
830	SvREFCNT_dec (coro->saved_deffh);	897	SvREFCNT_dec (coro->saved_deffh);
831	SvREFCNT_dec (coro->throw);	898	SvREFCNT_dec (coro->throw);
832		899
833	coro_destroy_stacks (aTHX);	900	coro_destruct_stacks (aTHX);
834	}	901	}
835		902
836	static void	903	static void
837	free_coro_mortal (pTHX)	904	free_coro_mortal (pTHX)
838	{	905	{
…		…
875	: cx->blk_gimme == G_SCALAR ? bot + 1	942	: cx->blk_gimme == G_SCALAR ? bot + 1
876	: bot;	943	: bot;
877		944
878	av_extend (av, top - bot);	945	av_extend (av, top - bot);
879	while (bot < top)	946	while (bot < top)
880	av_push (av, SvREFCNT_inc (*bot++));	947	av_push (av, SvREFCNT_inc_NN (*bot++));
881		948
882	PL_runops = RUNOPS_DEFAULT;	949	PL_runops = RUNOPS_DEFAULT;
883	ENTER;	950	ENTER;
884	SAVETMPS;	951	SAVETMPS;
885	EXTEND (SP, 3);	952	EXTEND (SP, 3);
…		…
965		1032
966	TAINT_NOT;	1033	TAINT_NOT;
967	return 0;	1034	return 0;
968	}	1035	}
969		1036
		1037	static void
		1038	prepare_set_stacklevel (struct transfer_args ta, struct coro_cctx cctx)
		1039	{
		1040	ta->prev = (struct coro *)cctx;
		1041	ta->next = 0;
		1042	}
		1043
970	/* inject a fake call to Coro::State::_cctx_init into the execution */	1044	/* inject a fake call to Coro::State::_cctx_init into the execution */
971	/* _cctx_init should be careful, as it could be called at almost any time */	1045	/* _cctx_init should be careful, as it could be called at almost any time */
972	/* during execution of a perl program */	1046	/* during execution of a perl program */
		1047	/* also initialises PL_top_env */
973	static void NOINLINE	1048	static void NOINLINE
974	cctx_prepare (pTHX_ coro_cctx *cctx)	1049	cctx_prepare (pTHX_ coro_cctx *cctx)
975	{	1050	{
976	dSP;	1051	dSP;
977	LOGOP myop;	1052	UNOP myop;
978		1053
979	PL_top_env = &PL_start_env;	1054	PL_top_env = &PL_start_env;
980		1055
981	if (cctx->flags & CC_TRACE)	1056	if (cctx->flags & CC_TRACE)
982	PL_runops = runops_trace;	1057	PL_runops = runops_trace;
983		1058
984	Zero (&myop, 1, LOGOP);	1059	Zero (&myop, 1, UNOP);
985	myop.op_next = PL_op;	1060	myop.op_next = PL_op;
986	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	1061	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
987		1062
988	PUSHMARK (SP);	1063	PUSHMARK (SP);
989	EXTEND (SP, 2);	1064	EXTEND (SP, 2);
990	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));	1065	PUSHs (sv_2mortal (newSViv ((IV)cctx)));
991	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));	1066	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
992	PUTBACK;	1067	PUTBACK;
993	PL_op = (OP *)&myop;	1068	PL_op = (OP *)&myop;
994	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1069	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
995	SPAGAIN;	1070	SPAGAIN;
996	}	1071	}
997		1072
		1073	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1074	static void
		1075	transfer_tail (void)
		1076	{
		1077	struct coro next = (struct coro )transfer_next;
		1078	transfer_next = 0; //D for temporary assertion in transfer
		1079	assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D
		1080
		1081	free_coro_mortal (aTHX);
		1082	UNLOCK;
		1083
		1084	if (expect_false (next->throw))
		1085	{
		1086	SV *exception = sv_2mortal (next->throw);
		1087
		1088	next->throw = 0;
		1089	sv_setsv (ERRSV, exception);
		1090	croak (0);
		1091	}
		1092	}
		1093
998	/*	1094	/*
999	* this is a _very_ stripped down perl interpreter ;)	1095	* this is a _very_ stripped down perl interpreter ;)
1000	*/	1096	*/
1001	static void	1097	static void
1002	cctx_run (void *arg)	1098	cctx_run (void *arg)
1003	{	1099	{
		1100	#ifdef USE_ITHREADS
		1101	# if CORO_PTHREAD
		1102	PERL_SET_CONTEXT (coro_thx);
		1103	# endif
		1104	#endif
		1105	{
1004	dTHX;	1106	dTHX;
1005		1107
1006	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1108	/* entersub called ENTER, but we never 'returned', undo that here */
1007	UNLOCK;	1109	LEAVE;
1008		1110
1009	/* we now skip the entersub that lead to transfer() */	1111	/* we now skip the entersub that did lead to transfer() */
1010	PL_op = PL_op->op_next;	1112	PL_op = PL_op->op_next;
1011		1113
1012	/* inject a fake subroutine call to cctx_init */	1114	/* inject a fake subroutine call to cctx_init */
1013	cctx_prepare (aTHX_ (coro_cctx *)arg);	1115	cctx_prepare (aTHX_ (coro_cctx *)arg);
1014		1116
		1117	/* cctx_run is the alternative tail of transfer() */
		1118	transfer_tail ();
		1119
1015	/* somebody or something will hit me for both perl_run and PL_restartop */	1120	/* somebody or something will hit me for both perl_run and PL_restartop */
1016	PL_restartop = PL_op;	1121	PL_restartop = PL_op;
1017	perl_run (PL_curinterp);	1122	perl_run (PL_curinterp);
1018		1123
1019	/*	1124	/*
1020	* If perl-run returns we assume exit() was being called or the coro	1125	* If perl-run returns we assume exit() was being called or the coro
1021	* fell off the end, which seems to be the only valid (non-bug)	1126	* fell off the end, which seems to be the only valid (non-bug)
1022	* reason for perl_run to return. We try to exit by jumping to the	1127	* reason for perl_run to return. We try to exit by jumping to the
1023	* bootstrap-time "top" top_env, as we cannot restore the "main"	1128	* bootstrap-time "top" top_env, as we cannot restore the "main"
1024	* coroutine as Coro has no such concept	1129	* coroutine as Coro has no such concept
1025	*/	1130	*/
1026	PL_top_env = main_top_env;	1131	PL_top_env = main_top_env;
1027	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1132	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1133	}
1028	}	1134	}
1029		1135
1030	static coro_cctx *	1136	static coro_cctx *
1031	cctx_new ()	1137	cctx_new ()
1032	{	1138	{
1033	coro_cctx *cctx;	1139	coro_cctx *cctx;
		1140
		1141	++cctx_count;
		1142	New (0, cctx, 1, coro_cctx);
		1143
		1144	cctx->gen = cctx_gen;
		1145	cctx->flags = 0;
		1146	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
		1147
		1148	return cctx;
		1149	}
		1150
		1151	/* create a new cctx only suitable as source */
		1152	static coro_cctx *
		1153	cctx_new_empty ()
		1154	{
		1155	coro_cctx *cctx = cctx_new ();
		1156
		1157	cctx->sptr = 0;
		1158	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1159
		1160	return cctx;
		1161	}
		1162
		1163	/* create a new cctx suitable as destination/running a perl interpreter */
		1164	static coro_cctx *
		1165	cctx_new_run ()
		1166	{
		1167	coro_cctx *cctx = cctx_new ();
1034	void *stack_start;	1168	void *stack_start;
1035	size_t stack_size;	1169	size_t stack_size;
1036		1170
1037	++cctx_count;
1038
1039	Newz (0, cctx, 1, coro_cctx);
1040
1041	#if HAVE_MMAP	1171	#if HAVE_MMAP
1042	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1172	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1043	/* mmap supposedly does allocate-on-write for us */	1173	/* mmap supposedly does allocate-on-write for us */
1044	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1174	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1045		1175
1046	if (cctx->sptr != (void *)-1)	1176	if (cctx->sptr != (void *)-1)
1047	{	1177	{
…		…
1053	cctx->flags \|= CC_MAPPED;	1183	cctx->flags \|= CC_MAPPED;
1054	}	1184	}
1055	else	1185	else
1056	#endif	1186	#endif
1057	{	1187	{
1058	cctx->ssize = coro_stacksize * (long)sizeof (long);	1188	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1059	New (0, cctx->sptr, coro_stacksize, long);	1189	New (0, cctx->sptr, cctx_stacksize, long);
1060		1190
1061	if (!cctx->sptr)	1191	if (!cctx->sptr)
1062	{	1192	{
1063	perror ("FATAL: unable to allocate stack for coroutine");	1193	perror ("FATAL: unable to allocate stack for coroutine");
1064	_exit (EXIT_FAILURE);	1194	_exit (EXIT_FAILURE);
…		…
1079	{	1209	{
1080	if (!cctx)	1210	if (!cctx)
1081	return;	1211	return;
1082		1212
1083	--cctx_count;	1213	--cctx_count;
		1214	coro_destroy (&cctx->cctx);
1084		1215
		1216	/* coro_transfer creates new, empty cctx's */
		1217	if (cctx->sptr)
		1218	{
1085	#if CORO_USE_VALGRIND	1219	#if CORO_USE_VALGRIND
1086	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1220	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1087	#endif	1221	#endif
1088		1222
1089	#if HAVE_MMAP	1223	#if HAVE_MMAP
1090	if (cctx->flags & CC_MAPPED)	1224	if (cctx->flags & CC_MAPPED)
1091	munmap (cctx->sptr, cctx->ssize);	1225	munmap (cctx->sptr, cctx->ssize);
1092	else	1226	else
1093	#endif	1227	#endif
1094	Safefree (cctx->sptr);	1228	Safefree (cctx->sptr);
		1229	}
1095		1230
1096	Safefree (cctx);	1231	Safefree (cctx);
1097	}	1232	}
1098		1233
1099	/* wether this cctx should be destructed */	1234	/* wether this cctx should be destructed */
1100	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1235	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1101		1236
1102	static coro_cctx *	1237	static coro_cctx *
1103	cctx_get (pTHX)	1238	cctx_get (pTHX)
1104	{	1239	{
1105	while (expect_true (cctx_first))	1240	while (expect_true (cctx_first))
…		…
1112	return cctx;	1247	return cctx;
1113		1248
1114	cctx_destroy (cctx);	1249	cctx_destroy (cctx);
1115	}	1250	}
1116		1251
1117	return cctx_new ();	1252	return cctx_new_run ();
1118	}	1253	}
1119		1254
1120	static void	1255	static void
1121	cctx_put (coro_cctx *cctx)	1256	cctx_put (coro_cctx *cctx)
1122	{	1257	{
		1258	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1259
1123	/* free another cctx if overlimit */	1260	/* free another cctx if overlimit */
1124	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1261	if (expect_false (cctx_idle >= cctx_max_idle))
1125	{	1262	{
1126	coro_cctx *first = cctx_first;	1263	coro_cctx *first = cctx_first;
1127	cctx_first = first->next;	1264	cctx_first = first->next;
1128	--cctx_idle;	1265	--cctx_idle;
1129		1266
…		…
1161	/* always use the TRANSFER macro */	1298	/* always use the TRANSFER macro */
1162	static void NOINLINE	1299	static void NOINLINE
1163	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1300	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1164	{	1301	{
1165	dSTACKLEVEL;	1302	dSTACKLEVEL;
1166	static volatile int has_throw;
1167		1303
1168	/* sometimes transfer is only called to set idle_sp */	1304	/* sometimes transfer is only called to set idle_sp */
1169	if (expect_false (!next))	1305	if (expect_false (!next))
1170	{	1306	{
1171	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1307	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1175	{	1311	{
1176	coro_cctx *prev__cctx;	1312	coro_cctx *prev__cctx;
1177		1313
1178	if (expect_false (prev->flags & CF_NEW))	1314	if (expect_false (prev->flags & CF_NEW))
1179	{	1315	{
1180	/* create a new empty context */	1316	/* create a new empty/source context */
1181	Newz (0, prev->cctx, 1, coro_cctx);	1317	prev->cctx = cctx_new_empty ();
1182	prev->flags &= ~CF_NEW;	1318	prev->flags &= ~CF_NEW;
1183	prev->flags \|= CF_RUNNING;	1319	prev->flags \|= CF_RUNNING;
1184	}	1320	}
1185		1321
1186	prev->flags &= ~CF_RUNNING;	1322	prev->flags &= ~CF_RUNNING;
…		…
1201	else	1337	else
1202	load_perl (aTHX_ next);	1338	load_perl (aTHX_ next);
1203		1339
1204	prev__cctx = prev->cctx;	1340	prev__cctx = prev->cctx;
1205		1341
1206	/* possibly "free" the cctx */	1342	/* possibly untie and reuse the cctx */
1207	if (expect_true (	1343	if (expect_true (
1208	prev__cctx->idle_sp == STACKLEVEL	1344	prev__cctx->idle_sp == STACKLEVEL
1209	&& !(prev__cctx->flags & CC_TRACE)	1345	&& !(prev__cctx->flags & CC_TRACE)
1210	&& !force_cctx	1346	&& !force_cctx
1211	))	1347	))
…		…
1227	++next->usecount;	1363	++next->usecount;
1228		1364
1229	if (expect_true (!next->cctx))	1365	if (expect_true (!next->cctx))
1230	next->cctx = cctx_get (aTHX);	1366	next->cctx = cctx_get (aTHX);
1231		1367
1232	has_throw = !!next->throw;	1368	assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
		1369	transfer_next = next;
1233		1370
1234	if (expect_false (prev__cctx != next->cctx))	1371	if (expect_false (prev__cctx != next->cctx))
1235	{	1372	{
1236	prev__cctx->top_env = PL_top_env;	1373	prev__cctx->top_env = PL_top_env;
1237	PL_top_env = next->cctx->top_env;	1374	PL_top_env = next->cctx->top_env;
1238	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1375	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1239	}	1376	}
1240		1377
1241	free_coro_mortal (aTHX);	1378	transfer_tail ();
1242	UNLOCK;
1243
1244	if (expect_false (has_throw))
1245	{
1246	struct coro *coro = SvSTATE (coro_current);
1247
1248	if (coro->throw)
1249	{
1250	SV *exception = coro->throw;
1251	coro->throw = 0;
1252	sv_setsv (ERRSV, exception);
1253	croak (0);
1254	}
1255	}
1256	}	1379	}
1257	}	1380	}
1258
1259	struct transfer_args
1260	{
1261	struct coro prev, next;
1262	};
1263		1381
1264	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))	1382	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1265	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1383	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1266		1384
1267	/ high level stuff ******************************************************/	1385	/ high level stuff ******************************************************/
…		…
1293	croak ("FATAL: tried to destroy currently running coroutine");	1411	croak ("FATAL: tried to destroy currently running coroutine");
1294		1412
1295	save_perl (aTHX_ &temp);	1413	save_perl (aTHX_ &temp);
1296	load_perl (aTHX_ coro);	1414	load_perl (aTHX_ coro);
1297		1415
1298	coro_destroy (aTHX_ coro);	1416	coro_destruct (aTHX_ coro);
1299		1417
1300	load_perl (aTHX_ &temp);	1418	load_perl (aTHX_ &temp);
1301		1419
1302	coro->slot = 0;	1420	coro->slot = 0;
1303	}	1421	}
…		…
1409	LOCK;	1527	LOCK;
1410		1528
1411	sv_hook = coro_nready ? 0 : coro_readyhook;	1529	sv_hook = coro_nready ? 0 : coro_readyhook;
1412	xs_hook = coro_nready ? 0 : coroapi.readyhook;	1530	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1413		1531
1414	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1532	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1415	++coro_nready;	1533	++coro_nready;
1416		1534
1417	UNLOCK;	1535	UNLOCK;
1418		1536
1419	if (sv_hook)	1537	if (sv_hook)
…		…
1479	/* cannot transfer to destroyed coros, skip and look for next */	1597	/* cannot transfer to destroyed coros, skip and look for next */
1480	if (expect_false (ta->next->flags & CF_DESTROYED))	1598	if (expect_false (ta->next->flags & CF_DESTROYED))
1481	{	1599	{
1482	UNLOCK;	1600	UNLOCK;
1483	SvREFCNT_dec (next_sv);	1601	SvREFCNT_dec (next_sv);
1484	/* coro_nready is already taken care of by destroy */	1602	/* coro_nready has already been taken care of by destroy */
1485	continue;	1603	continue;
1486	}	1604	}
1487		1605
1488	--coro_nready;	1606	--coro_nready;
1489	UNLOCK;	1607	UNLOCK;
…		…
1574	struct coro *coro = SvSTATE (coro_sv);	1692	struct coro *coro = SvSTATE (coro_sv);
1575		1693
1576	if (flags & CC_TRACE)	1694	if (flags & CC_TRACE)
1577	{	1695	{
1578	if (!coro->cctx)	1696	if (!coro->cctx)
1579	coro->cctx = cctx_new ();	1697	coro->cctx = cctx_new_run ();
1580	else if (!(coro->cctx->flags & CC_TRACE))	1698	else if (!(coro->cctx->flags & CC_TRACE))
1581	croak ("cannot enable tracing on coroutine with custom stack");	1699	croak ("cannot enable tracing on coroutine with custom stack");
1582		1700
1583	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1701	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1584	}	1702	}
…		…
1591	else	1709	else
1592	coro->slot->runops = RUNOPS_DEFAULT;	1710	coro->slot->runops = RUNOPS_DEFAULT;
1593	}	1711	}
1594	}	1712	}
1595		1713
		1714	#if 0
		1715	static int
		1716	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1717	{
		1718	AV *padlist;
		1719	AV av = (AV )mg->mg_obj;
		1720
		1721	abort ();
		1722
		1723	return 0;
		1724	}
		1725
		1726	static MGVTBL coro_gensub_vtbl = {
		1727	0, 0, 0, 0,
		1728	coro_gensub_free
		1729	};
		1730	#endif
		1731
		1732	/*****************************************************************************/
		1733	/* PerlIO::cede */
		1734
		1735	typedef struct
		1736	{
		1737	PerlIOBuf base;
		1738	NV next, every;
		1739	} PerlIOCede;
		1740
		1741	static IV
		1742	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1743	{
		1744	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1745
		1746	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1747	self->next = nvtime () + self->every;
		1748
		1749	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1750	}
		1751
		1752	static SV *
		1753	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1754	{
		1755	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1756
		1757	return newSVnv (self->every);
		1758	}
		1759
		1760	static IV
		1761	PerlIOCede_flush (pTHX_ PerlIO *f)
		1762	{
		1763	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1764	double now = nvtime ();
		1765
		1766	if (now >= self->next)
		1767	{
		1768	api_cede ();
		1769	self->next = now + self->every;
		1770	}
		1771
		1772	return PerlIOBuf_flush (aTHX_ f);
		1773	}
		1774
		1775	static PerlIO_funcs PerlIO_cede =
		1776	{
		1777	sizeof(PerlIO_funcs),
		1778	"cede",
		1779	sizeof(PerlIOCede),
		1780	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1781	PerlIOCede_pushed,
		1782	PerlIOBuf_popped,
		1783	PerlIOBuf_open,
		1784	PerlIOBase_binmode,
		1785	PerlIOCede_getarg,
		1786	PerlIOBase_fileno,
		1787	PerlIOBuf_dup,
		1788	PerlIOBuf_read,
		1789	PerlIOBuf_unread,
		1790	PerlIOBuf_write,
		1791	PerlIOBuf_seek,
		1792	PerlIOBuf_tell,
		1793	PerlIOBuf_close,
		1794	PerlIOCede_flush,
		1795	PerlIOBuf_fill,
		1796	PerlIOBase_eof,
		1797	PerlIOBase_error,
		1798	PerlIOBase_clearerr,
		1799	PerlIOBase_setlinebuf,
		1800	PerlIOBuf_get_base,
		1801	PerlIOBuf_bufsiz,
		1802	PerlIOBuf_get_ptr,
		1803	PerlIOBuf_get_cnt,
		1804	PerlIOBuf_set_ptrcnt,
		1805	};
		1806
		1807
1596	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1808	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1597		1809
1598	PROTOTYPES: DISABLE	1810	PROTOTYPES: DISABLE
1599		1811
1600	BOOT:	1812	BOOT:
1601	{	1813	{
1602	#ifdef USE_ITHREADS	1814	#ifdef USE_ITHREADS
1603	MUTEX_INIT (&coro_mutex);	1815	MUTEX_INIT (&coro_lock);
		1816	# if CORO_PTHREAD
		1817	coro_thx = PERL_GET_CONTEXT;
		1818	# endif
1604	#endif	1819	#endif
1605	BOOT_PAGESIZE;	1820	BOOT_PAGESIZE;
1606		1821
1607	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1822	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1608	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1823	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1609		1824
1610	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1825	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1611	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1826	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1612	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1827	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1613	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1614		1828
1615	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1829	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1616	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1830	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1617	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1831	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1618		1832
…		…
1630	main_top_env = main_top_env->je_prev;	1844	main_top_env = main_top_env->je_prev;
1631		1845
1632	coroapi.ver = CORO_API_VERSION;	1846	coroapi.ver = CORO_API_VERSION;
1633	coroapi.rev = CORO_API_REVISION;	1847	coroapi.rev = CORO_API_REVISION;
1634	coroapi.transfer = api_transfer;	1848	coroapi.transfer = api_transfer;
		1849
		1850	{
		1851	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1852
		1853	if (!svp) croak ("Time::HiRes is required");
		1854	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1855
		1856	nvtime = INT2PTR (double ()(), SvIV (svp));
		1857	}
1635		1858
1636	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1859	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1637	}	1860	}
1638		1861
1639	SV *	1862	SV *
…		…
1681		1904
1682	PUTBACK;	1905	PUTBACK;
1683	switch (ix)	1906	switch (ix)
1684	{	1907	{
1685	case 0:	1908	case 0:
1686	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1909	prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1687	ta.next = 0;
1688	break;	1910	break;
1689		1911
1690	case 1:	1912	case 1:
1691	if (items != 2)	1913	if (items != 2)
1692	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1914	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1693		1915
1694	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1916	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1695	break;	1917	break;
1696		1918
1697	case 2:	1919	case 2:
…		…
1731	_exit (code);	1953	_exit (code);
1732		1954
1733	int	1955	int
1734	cctx_stacksize (int new_stacksize = 0)	1956	cctx_stacksize (int new_stacksize = 0)
1735	CODE:	1957	CODE:
1736	RETVAL = coro_stacksize;	1958	RETVAL = cctx_stacksize;
1737	if (new_stacksize)	1959	if (new_stacksize)
		1960	{
1738	coro_stacksize = new_stacksize;	1961	cctx_stacksize = new_stacksize;
		1962	++cctx_gen;
		1963	}
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	int
		1968	cctx_max_idle (int max_idle = 0)
		1969	CODE:
		1970	RETVAL = cctx_max_idle;
		1971	if (max_idle > 1)
		1972	cctx_max_idle = max_idle;
1739	OUTPUT:	1973	OUTPUT:
1740	RETVAL	1974	RETVAL
1741		1975
1742	int	1976	int
1743	cctx_count ()	1977	cctx_count ()
…		…
1767	call (Coro::State coro, SV *coderef)	2001	call (Coro::State coro, SV *coderef)
1768	ALIAS:	2002	ALIAS:
1769	eval = 1	2003	eval = 1
1770	CODE:	2004	CODE:
1771	{	2005	{
1772	if (coro->mainstack)	2006	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1773	{	2007	{
1774	struct coro temp;	2008	struct coro temp;
1775		2009
1776	if (!(coro->flags & CF_RUNNING))	2010	if (!(coro->flags & CF_RUNNING))
1777	{	2011	{
…		…
1821	RETVAL = boolSV (coro->flags & ix);	2055	RETVAL = boolSV (coro->flags & ix);
1822	OUTPUT:	2056	OUTPUT:
1823	RETVAL	2057	RETVAL
1824		2058
1825	void	2059	void
		2060	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2061	PROTOTYPE: $;$
		2062	CODE:
		2063	SvREFCNT_dec (self->throw);
		2064	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2065
		2066	void
1826	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2067	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1827		2068
1828	SV *	2069	SV *
1829	has_cctx (Coro::State coro)	2070	has_cctx (Coro::State coro)
1830	PROTOTYPE: $	2071	PROTOTYPE: $
…		…
1839	CODE:	2080	CODE:
1840	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2081	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1841	OUTPUT:	2082	OUTPUT:
1842	RETVAL	2083	RETVAL
1843		2084
1844	IV	2085	UV
1845	rss (Coro::State coro)	2086	rss (Coro::State coro)
1846	PROTOTYPE: $	2087	PROTOTYPE: $
1847	ALIAS:	2088	ALIAS:
1848	usecount = 1	2089	usecount = 1
1849	CODE:	2090	CODE:
…		…
1859	force_cctx ()	2100	force_cctx ()
1860	CODE:	2101	CODE:
1861	struct coro *coro = SvSTATE (coro_current);	2102	struct coro *coro = SvSTATE (coro_current);
1862	coro->cctx->idle_sp = 0;	2103	coro->cctx->idle_sp = 0;
1863		2104
1864	MODULE = Coro::State PACKAGE = Coro
1865
1866	BOOT:
1867	{
1868	int i;
1869
1870	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1871	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1872	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1873
1874	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1875	SvREADONLY_on (coro_current);
1876
1877	coro_stash = gv_stashpv ("Coro", TRUE);
1878
1879	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1880	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1881	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1882	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1883	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1884	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1885
1886	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1887	coro_ready[i] = newAV ();
1888
1889	{
1890	SV *sv = perl_get_sv ("Coro::API", TRUE);
1891	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1892
1893	coroapi.schedule = api_schedule;
1894	coroapi.cede = api_cede;
1895	coroapi.cede_notself = api_cede_notself;
1896	coroapi.ready = api_ready;
1897	coroapi.is_ready = api_is_ready;
1898	coroapi.nready = &coro_nready;
1899	coroapi.current = coro_current;
1900
1901	GCoroAPI = &coroapi;
1902	sv_setiv (sv, (IV)&coroapi);
1903	SvREADONLY_on (sv);
1904	}
1905	}
1906
1907	void
1908	_set_current (SV *current)
1909	PROTOTYPE: $
1910	CODE:
1911	SvREFCNT_dec (SvRV (coro_current));
1912	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1913
1914	void
1915	_set_readyhook (SV *hook)
1916	PROTOTYPE: $
1917	CODE:
1918	LOCK;
1919	SvREFCNT_dec (coro_readyhook);
1920	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1921	UNLOCK;
1922
1923	int
1924	prio (Coro::State coro, int newprio = 0)
1925	ALIAS:
1926	nice = 1
1927	CODE:
1928	{
1929	RETVAL = coro->prio;
1930
1931	if (items > 1)
1932	{
1933	if (ix)
1934	newprio = coro->prio - newprio;
1935
1936	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1937	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1938
1939	coro->prio = newprio;
1940	}
1941	}
1942	OUTPUT:
1943	RETVAL
1944
1945	SV *
1946	ready (SV *self)
1947	PROTOTYPE: $
1948	CODE:
1949	RETVAL = boolSV (api_ready (self));
1950	OUTPUT:
1951	RETVAL
1952
1953	int
1954	nready (...)
1955	PROTOTYPE:
1956	CODE:
1957	RETVAL = coro_nready;
1958	OUTPUT:
1959	RETVAL
1960
1961	void
1962	throw (Coro::State self, SV *throw = &PL_sv_undef)
1963	PROTOTYPE: $;$
1964	CODE:
1965	SvREFCNT_dec (self->throw);
1966	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1967
1968	void	2105	void
1969	swap_defsv (Coro::State self)	2106	swap_defsv (Coro::State self)
1970	PROTOTYPE: $	2107	PROTOTYPE: $
1971	ALIAS:	2108	ALIAS:
1972	swap_defav = 1	2109	swap_defav = 1
…		…
1979	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2116	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1980		2117
1981	SV tmp = src; src = dst; *dst = tmp;	2118	SV tmp = src; src = dst; *dst = tmp;
1982	}	2119	}
1983		2120
		2121	MODULE = Coro::State PACKAGE = Coro
		2122
		2123	BOOT:
		2124	{
		2125	int i;
		2126
		2127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2128	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2129	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2130
		2131	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2132	SvREADONLY_on (coro_current);
		2133
		2134	coro_stash = gv_stashpv ("Coro", TRUE);
		2135
		2136	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2137	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2138	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2139	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2140	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2141	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2142
		2143	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2144	coro_ready[i] = newAV ();
		2145
		2146	{
		2147	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2148	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2149
		2150	coroapi.schedule = api_schedule;
		2151	coroapi.cede = api_cede;
		2152	coroapi.cede_notself = api_cede_notself;
		2153	coroapi.ready = api_ready;
		2154	coroapi.is_ready = api_is_ready;
		2155	coroapi.nready = &coro_nready;
		2156	coroapi.current = coro_current;
		2157
		2158	GCoroAPI = &coroapi;
		2159	sv_setiv (sv, (IV)&coroapi);
		2160	SvREADONLY_on (sv);
		2161	}
		2162	}
		2163
		2164	void
		2165	_set_current (SV *current)
		2166	PROTOTYPE: $
		2167	CODE:
		2168	SvREFCNT_dec (SvRV (coro_current));
		2169	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2170
		2171	void
		2172	_set_readyhook (SV *hook)
		2173	PROTOTYPE: $
		2174	CODE:
		2175	LOCK;
		2176	SvREFCNT_dec (coro_readyhook);
		2177	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2178	UNLOCK;
		2179
		2180	int
		2181	prio (Coro::State coro, int newprio = 0)
		2182	ALIAS:
		2183	nice = 1
		2184	CODE:
		2185	{
		2186	RETVAL = coro->prio;
		2187
		2188	if (items > 1)
		2189	{
		2190	if (ix)
		2191	newprio = coro->prio - newprio;
		2192
		2193	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2194	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2195
		2196	coro->prio = newprio;
		2197	}
		2198	}
		2199	OUTPUT:
		2200	RETVAL
		2201
		2202	SV *
		2203	ready (SV *self)
		2204	PROTOTYPE: $
		2205	CODE:
		2206	RETVAL = boolSV (api_ready (self));
		2207	OUTPUT:
		2208	RETVAL
		2209
		2210	int
		2211	nready (...)
		2212	PROTOTYPE:
		2213	CODE:
		2214	RETVAL = coro_nready;
		2215	OUTPUT:
		2216	RETVAL
		2217
1984	# for async_pool speedup	2218	# for async_pool speedup
1985	void	2219	void
1986	_pool_1 (SV *cb)	2220	_pool_1 (SV *cb)
1987	CODE:	2221	CODE:
1988	{	2222	{
…		…
1993	AV *invoke_av;	2227	AV *invoke_av;
1994	int i, len;	2228	int i, len;
1995		2229
1996	if (!invoke)	2230	if (!invoke)
1997	{	2231	{
1998	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2232	SV *old = PL_diehook;
		2233	PL_diehook = 0;
		2234	SvREFCNT_dec (old);
1999	croak ("\3async_pool terminate\2\n");	2235	croak ("\3async_pool terminate\2\n");
2000	}	2236	}
2001		2237
2002	SvREFCNT_dec (coro->saved_deffh);	2238	SvREFCNT_dec (coro->saved_deffh);
2003	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2239	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2004		2240
2005	hv_store (hv, "desc", sizeof ("desc") - 1,	2241	hv_store (hv, "desc", sizeof ("desc") - 1,
2006	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2242	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2007		2243
2008	invoke_av = (AV *)SvRV (invoke);	2244	invoke_av = (AV *)SvRV (invoke);
…		…
2012		2248
2013	if (len > 0)	2249	if (len > 0)
2014	{	2250	{
2015	av_fill (defav, len - 1);	2251	av_fill (defav, len - 1);
2016	for (i = 0; i < len; ++i)	2252	for (i = 0; i < len; ++i)
2017	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2253	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2018	}	2254	}
2019		2255
2020	SvREFCNT_dec (invoke);	2256	SvREFCNT_dec (invoke);
2021	}	2257	}
2022		2258
…		…
2029	sv_setsv (cb, &PL_sv_undef);	2265	sv_setsv (cb, &PL_sv_undef);
2030		2266
2031	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2267	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
2032	coro->saved_deffh = 0;	2268	coro->saved_deffh = 0;
2033		2269
2034	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2270	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2035	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2271	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2036	{	2272	{
2037	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2273	SV *old = PL_diehook;
		2274	PL_diehook = 0;
		2275	SvREFCNT_dec (old);
2038	croak ("\3async_pool terminate\2\n");	2276	croak ("\3async_pool terminate\2\n");
2039	}	2277	}
2040		2278
2041	av_clear (GvAV (PL_defgv));	2279	av_clear (GvAV (PL_defgv));
2042	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2280	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
2048	api_trace (coro_current, 0);	2286	api_trace (coro_current, 0);
2049		2287
2050	av_push (av_async_pool, newSVsv (coro_current));	2288	av_push (av_async_pool, newSVsv (coro_current));
2051	}	2289	}
2052		2290
		2291	#if 0
		2292
		2293	void
		2294	_generator_call (...)
		2295	PROTOTYPE: @
		2296	PPCODE:
		2297	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2298	xxxx
		2299	abort ();
		2300
		2301	SV *
		2302	gensub (SV *sub, ...)
		2303	PROTOTYPE: &;@
		2304	CODE:
		2305	{
		2306	struct coro *coro;
		2307	MAGIC *mg;
		2308	CV *xcv;
		2309	CV ncv = (CV )newSV_type (SVt_PVCV);
		2310	int i;
		2311
		2312	CvGV (ncv) = CvGV (cv);
		2313	CvFILE (ncv) = CvFILE (cv);
		2314
		2315	Newz (0, coro, 1, struct coro);
		2316	coro->args = newAV ();
		2317	coro->flags = CF_NEW;
		2318
		2319	av_extend (coro->args, items - 1);
		2320	for (i = 1; i < items; i++)
		2321	av_push (coro->args, newSVsv (ST (i)));
		2322
		2323	CvISXSUB_on (ncv);
		2324	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2325
		2326	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2327
		2328	CvXSUB (ncv) = CvXSUB (xcv);
		2329	CvANON_on (ncv);
		2330
		2331	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2332	RETVAL = newRV_noinc ((SV *)ncv);
		2333	}
		2334	OUTPUT:
		2335	RETVAL
		2336
		2337	#endif
		2338
2053		2339
2054	MODULE = Coro::State PACKAGE = Coro::AIO	2340	MODULE = Coro::State PACKAGE = Coro::AIO
2055		2341
2056	SV *	2342	void
2057	_get_state ()	2343	_get_state (SV *self)
2058	CODE:	2344	PPCODE:
2059	{	2345	{
2060	struct io_state *data;	2346	AV *defav = GvAV (PL_defgv);
2061		2347	AV *av = newAV ();
		2348	int i;
2062	RETVAL = newSV (sizeof (struct io_state));	2349	SV *data_sv = newSV (sizeof (struct io_state));
2063	data = (struct io_state *)SvPVX (RETVAL);	2350	struct io_state data = (struct io_state )SvPVX (data_sv);
2064	SvCUR_set (RETVAL, sizeof (struct io_state));	2351	SvCUR_set (data_sv, sizeof (struct io_state));
2065	SvPOK_only (RETVAL);	2352	SvPOK_only (data_sv);
2066		2353
2067	data->errorno = errno;	2354	data->errorno = errno;
2068	data->laststype = PL_laststype;	2355	data->laststype = PL_laststype;
2069	data->laststatval = PL_laststatval;	2356	data->laststatval = PL_laststatval;
2070	data->statcache = PL_statcache;	2357	data->statcache = PL_statcache;
		2358
		2359	av_extend (av, AvFILLp (defav) + 1 + 1);
		2360
		2361	for (i = 0; i <= AvFILLp (defav); ++i)
		2362	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2363
		2364	av_push (av, data_sv);
		2365
		2366	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2367
		2368	api_ready (self);
2071	}	2369	}
2072	OUTPUT:
2073	RETVAL
2074		2370
2075	void	2371	void
2076	_set_state (char *data_)	2372	_set_state (SV *state)
2077	PROTOTYPE: $	2373	PROTOTYPE: $
2078	CODE:	2374	PPCODE:
2079	{	2375	{
2080	struct io_state data = (void )data_;	2376	AV av = (AV )SvRV (state);
		2377	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2378	int i;
2081		2379
2082	errno = data->errorno;	2380	errno = data->errorno;
2083	PL_laststype = data->laststype;	2381	PL_laststype = data->laststype;
2084	PL_laststatval = data->laststatval;	2382	PL_laststatval = data->laststatval;
2085	PL_statcache = data->statcache;	2383	PL_statcache = data->statcache;
		2384
		2385	EXTEND (SP, AvFILLp (av));
		2386	for (i = 0; i < AvFILLp (av); ++i)
		2387	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2086	}	2388	}
2087		2389
2088		2390
2089	MODULE = Coro::State PACKAGE = Coro::AnyEvent	2391	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2090		2392
…		…
2114	}	2416	}
2115		2417
2116	--incede;	2418	--incede;
2117	}	2419	}
2118		2420
		2421
		2422	MODULE = Coro::State PACKAGE = PerlIO::cede
		2423
		2424	BOOT:
		2425	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs. Revision 1.261 by root, Mon Nov 10 05:09:30 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs.
Revision 1.261 by root, Mon Nov 10 05:09:30 2008 UTC