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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.240 by root, Sun Jun 29 00:28:17 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>
…		…
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 char next_has_throw; /* speedup flag for next->throw check */
164		187
165	static GV irsgv; / $/ */	188	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	189	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	190	static SV *rv_diehook;
168	static SV *rv_warnhook;	191	static SV *rv_warnhook;
…		…
200	void idle_sp; / sp of top-level transfer/schedule/cede call */	223	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 */	224	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
202	JMPENV *top_env;	225	JMPENV *top_env;
203	coro_context cctx;	226	coro_context cctx;
204		227
		228	U32 gen;
205	#if CORO_USE_VALGRIND	229	#if CORO_USE_VALGRIND
206	int valgrind_id;	230	int valgrind_id;
207	#endif	231	#endif
208	unsigned char flags;	232	unsigned char flags;
209	} coro_cctx;	233	} coro_cctx;
…		…
269	#define PRIO_MIN -4	293	#define PRIO_MIN -4
270		294
271	/* for Coro.pm */	295	/* for Coro.pm */
272	static SV *coro_current;	296	static SV *coro_current;
273	static SV *coro_readyhook;	297	static SV *coro_readyhook;
274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	298	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
275	static int coro_nready;	299	static int coro_nready;
276	static struct coro *coro_first;	300	static struct coro *coro_first;
277		301
278	/ lowlevel stuff ********************************************************/	302	/ lowlevel stuff ********************************************************/
279		303
…		…
321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	345	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
322	#endif	346	#endif
323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	347	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
324	--AvFILLp (padlist);	348	--AvFILLp (padlist);
325		349
326	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	350	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
327	av_store (newpadlist, 1, (SV *)newpad);	351	av_store (newpadlist, 1, (SV *)newpad);
328		352
329	return newpadlist;	353	return newpadlist;
330	}	354	}
331		355
…		…
361		385
362	/* casting is fun. */	386	/* casting is fun. */
363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	387	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
364	free_padlist (aTHX_ padlist);	388	free_padlist (aTHX_ padlist);
365		389
		390	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		391
366	return 0;	392	return 0;
367	}	393	}
368		394
369	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	395	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
370	#define CORO_MAGIC_type_state PERL_MAGIC_ext	396	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
372	static MGVTBL coro_cv_vtbl = {	398	static MGVTBL coro_cv_vtbl = {
373	0, 0, 0, 0,	399	0, 0, 0, 0,
374	coro_cv_free	400	coro_cv_free
375	};	401	};
376		402
377	#define CORO_MAGIC(sv,type) \	403	#define CORO_MAGIC(sv, type) \
378	SvMAGIC (sv) \	404	SvMAGIC (sv) \
379	? SvMAGIC (sv)->mg_type == type \	405	? SvMAGIC (sv)->mg_type == type \
380	? SvMAGIC (sv) \	406	? SvMAGIC (sv) \
381	: mg_find (sv, type) \	407	: mg_find (sv, type) \
382	: 0	408	: 0
383		409
384	#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)
385	#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)
386		412
387	static struct coro *	413	static struct coro *
…		…
420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	446	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	447	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
422	else	448	else
423	{	449	{
424	#if CORO_PREFER_PERL_FUNCTIONS	450	#if CORO_PREFER_PERL_FUNCTIONS
425	/* this is probably cleaner, but also slower? */	451	/* this is probably cleaner? but also slower! */
		452	/* in practise, it seems to be less stable */
426	CV *cp = Perl_cv_clone (cv);	453	CV *cp = Perl_cv_clone (cv);
427	CvPADLIST (cv) = CvPADLIST (cp);	454	CvPADLIST (cv) = CvPADLIST (cp);
428	CvPADLIST (cp) = 0;	455	CvPADLIST (cp) = 0;
429	SvREFCNT_dec (cp);	456	SvREFCNT_dec (cp);
430	#else	457	#else
…		…
616		643
617	/*	644	/*
618	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
619	*/	646	*/
620	static void	647	static void
621	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
622	{	649	{
623	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
624	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
625		652
626	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
663	#undef VAR	690	#undef VAR
664	}	691	}
665	else	692	else
666	slot = coro->slot;	693	slot = coro->slot;
667		694
		695	if (slot)
		696	{
668	rss += sizeof (slot->curstackinfo);	697	rss += sizeof (slot->curstackinfo);
669	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	698	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
670	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 *);
671	rss += slot->tmps_max * sizeof (SV *);	700	rss += slot->tmps_max * sizeof (SV *);
672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	701	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
673	rss += slot->scopestack_max * sizeof (I32);	702	rss += slot->scopestack_max * sizeof (I32);
674	rss += slot->savestack_max * sizeof (ANY);	703	rss += slot->savestack_max * sizeof (ANY);
675		704
676	#if !PERL_VERSION_ATLEAST (5,10,0)	705	#if !PERL_VERSION_ATLEAST (5,10,0)
677	rss += slot->retstack_max * sizeof (OP *);	706	rss += slot->retstack_max * sizeof (OP *);
678	#endif	707	#endif
		708	}
679	}	709	}
680		710
681	return rss;	711	return rss;
682	}	712	}
683		713
…		…
686	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
687	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	717	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
688	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);	718	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
689		719
690	/* apparently < 5.8.8 */	720	/* apparently < 5.8.8 */
691	#undef MgPV_nolen_const
692	#ifndef MgPV_nolen_const	721	#ifndef MgPV_nolen_const
693	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	722	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
694	SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \	723	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
695	(const char*)(mg)->mg_ptr)	724	(const char*)(mg)->mg_ptr)
696	#endif	725	#endif
697		726
698	/*	727	/*
699	* This overrides the default magic get method of %SIG elements.	728	* This overrides the default magic get method of %SIG elements.
…		…
802	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
803	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
804	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
805	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);
806	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
807	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
808		837
809	{	838	{
810	dSP;	839	dSP;
811	LOGOP myop;	840	LOGOP myop;
812		841
…		…
829	*/	858	*/
830	ENTER;	859	ENTER;
831	}	860	}
832		861
833	static void	862	static void
834	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
835	{	864	{
836	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
837	{	866	{
838	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
839	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
861	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
862		891
863	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
864	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
865		894
866	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
867	}	896	}
868		897
869	static void	898	static void
870	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
871	{	900	{
…		…
908	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
909	: bot;	938	: bot;
910		939
911	av_extend (av, top - bot);	940	av_extend (av, top - bot);
912	while (bot < top)	941	while (bot < top)
913	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
914		943
915	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
916	ENTER;	945	ENTER;
917	SAVETMPS;	946	SAVETMPS;
918	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
1001	}	1030	}
1002		1031
1003	/* 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 */
1004	/* _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 */
1005	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
1006	static void NOINLINE	1036	static void NOINLINE
1007	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
1008	{	1038	{
1009	dSP;	1039	dSP;
1010	LOGOP myop;	1040	LOGOP myop;
…		…
1026	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
1027	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1028	SPAGAIN;	1058	SPAGAIN;
1029	}	1059	}
1030		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
1031	/*	1081	/*
1032	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
1033	*/	1083	*/
1034	static void	1084	static void
1035	cctx_run (void *arg)	1085	cctx_run (void *arg)
1036	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
1037	dTHX;	1093	dTHX;
1038		1094
1039	/* cctx_run is the alternative tail of transfer(), so unlock here. */
1040	UNLOCK;
1041
1042	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
1043	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
1044		1097
1045	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
1046	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
1047		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
1048	/* 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 */
1049	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
1050	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
1051		1107
1052	/*	1108	/*
1053	* 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
1054	* 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)
1055	* 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
1056	* bootstrap-time "top" top_env, as we cannot restore the "main"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
1057	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
1058	*/	1114	*/
1059	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
1060	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	}
1061	}	1118	}
1062		1119
1063	static coro_cctx *	1120	static coro_cctx *
1064	cctx_new ()	1121	cctx_new ()
1065	{	1122	{
1066	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 ();
1067	void *stack_start;	1152	void *stack_start;
1068	size_t stack_size;	1153	size_t stack_size;
1069		1154
1070	++cctx_count;
1071
1072	Newz (0, cctx, 1, coro_cctx);
1073
1074	#if HAVE_MMAP	1155	#if HAVE_MMAP
1075	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;
1076	/* mmap supposedly does allocate-on-write for us */	1157	/* mmap supposedly does allocate-on-write for us */
1077	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);
1078		1159
1079	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
1080	{	1161	{
…		…
1086	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
1087	}	1168	}
1088	else	1169	else
1089	#endif	1170	#endif
1090	{	1171	{
1091	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1092	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
1093		1174
1094	if (!cctx->sptr)	1175	if (!cctx->sptr)
1095	{	1176	{
1096	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
1097	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1112	{	1193	{
1113	if (!cctx)	1194	if (!cctx)
1114	return;	1195	return;
1115		1196
1116	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1117		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1118	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1119	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1120	#endif	1205	#endif
1121		1206
1122	#if HAVE_MMAP	1207	#if HAVE_MMAP
1123	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1124	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1125	else	1210	else
1126	#endif	1211	#endif
1127	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1128		1214
1129	Safefree (cctx);	1215	Safefree (cctx);
1130	}	1216	}
1131		1217
1132	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1133	#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))
1134		1220
1135	static coro_cctx *	1221	static coro_cctx *
1136	cctx_get (pTHX)	1222	cctx_get (pTHX)
1137	{	1223	{
1138	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1145	return cctx;	1231	return cctx;
1146		1232
1147	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1148	}	1234	}
1149		1235
1150	return cctx_new ();	1236	return cctx_new_run ();
1151	}	1237	}
1152		1238
1153	static void	1239	static void
1154	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1155	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1156	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1157	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1158	{	1246	{
1159	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1160	cctx_first = first->next;	1248	cctx_first = first->next;
1161	--cctx_idle;	1249	--cctx_idle;
1162		1250
…		…
1194	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1195	static void NOINLINE	1283	static void NOINLINE
1196	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1197	{	1285	{
1198	dSTACKLEVEL;	1286	dSTACKLEVEL;
1199	static volatile int has_throw;
1200		1287
1201	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1202	if (expect_false (!next))	1289	if (expect_false (!next))
1203	{	1290	{
1204	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1291	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1208	{	1295	{
1209	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1210		1297
1211	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1212	{	1299	{
1213	/* create a new empty context */	1300	/* create a new empty/source context */
1214	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1215	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1216	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1217	}	1304	}
1218		1305
1219	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
…		…
1234	else	1321	else
1235	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1236		1323
1237	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1238		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1239	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1240	if (expect_true (	1329	if (expect_true (
1241	prev__cctx->idle_sp == STACKLEVEL	1330	prev__cctx->idle_sp == STACKLEVEL
1242	&& !(prev__cctx->flags & CC_TRACE)	1331	&& !(prev__cctx->flags & CC_TRACE)
1243	&& !force_cctx	1332	&& !force_cctx
…		…
1260	++next->usecount;	1349	++next->usecount;
1261		1350
1262	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1263	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
1264		1353
1265	has_throw = !!next->throw;	1354	next_has_throw = !!next->throw;
1266		1355
1267	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1268	{	1357	{
1269	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1270	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1272	}	1361	}
1273		1362
1274	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1275	UNLOCK;	1364	UNLOCK;
1276		1365
1277	if (expect_false (has_throw))	1366	transfer_tail ();
1278	{
1279	struct coro *coro = SvSTATE (coro_current);
1280
1281	if (coro->throw)
1282	{
1283	SV *exception = coro->throw;
1284	coro->throw = 0;
1285	sv_setsv (ERRSV, exception);
1286	croak (0);
1287	}
1288	}
1289	}	1367	}
1290	}	1368	}
1291		1369
1292	struct transfer_args	1370	struct transfer_args
1293	{	1371	{
…		…
1326	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1327		1405
1328	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1329	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1330		1408
1331	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1332		1410
1333	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1334		1412
1335	coro->slot = 0;	1413	coro->slot = 0;
1336	}	1414	}
…		…
1442	LOCK;	1520	LOCK;
1443		1521
1444	sv_hook = coro_nready ? 0 : coro_readyhook;	1522	sv_hook = coro_nready ? 0 : coro_readyhook;
1445	xs_hook = coro_nready ? 0 : coroapi.readyhook;	1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1446		1524
1447	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1448	++coro_nready;	1526	++coro_nready;
1449		1527
1450	UNLOCK;	1528	UNLOCK;
1451		1529
1452	if (sv_hook)	1530	if (sv_hook)
…		…
1607	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1608		1686
1609	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1610	{	1688	{
1611	if (!coro->cctx)	1689	if (!coro->cctx)
1612	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1613	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1614	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1615		1693
1616	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1617	}	1695	}
…		…
1624	else	1702	else
1625	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1626	}	1704	}
1627	}	1705	}
1628		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
1629	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1630		1802
1631	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1632		1804
1633	BOOT:	1805	BOOT:
1634	{	1806	{
1635	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1636	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1637	#endif	1812	#endif
1638	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1639		1814
1640	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1641	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
…		…
1662	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1663		1838
1664	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1665	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1666	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	}
1667		1851
1668	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1669	}	1853	}
1670		1854
1671	SV *	1855	SV *
…		…
1719	ta.next = 0;	1903	ta.next = 0;
1720	break;	1904	break;
1721		1905
1722	case 1:	1906	case 1:
1723	if (items != 2)	1907	if (items != 2)
1724	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);
1725		1909
1726	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1727	break;	1911	break;
1728		1912
1729	case 2:	1913	case 2:
…		…
1763	_exit (code);	1947	_exit (code);
1764		1948
1765	int	1949	int
1766	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1767	CODE:	1951	CODE:
1768	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1769	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1770	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;
1771	OUTPUT:	1967	OUTPUT:
1772	RETVAL	1968	RETVAL
1773		1969
1774	int	1970	int
1775	cctx_count ()	1971	cctx_count ()
…		…
1799	call (Coro::State coro, SV *coderef)	1995	call (Coro::State coro, SV *coderef)
1800	ALIAS:	1996	ALIAS:
1801	eval = 1	1997	eval = 1
1802	CODE:	1998	CODE:
1803	{	1999	{
1804	if (coro->mainstack)	2000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1805	{	2001	{
1806	struct coro temp;	2002	struct coro temp;
1807		2003
1808	if (!(coro->flags & CF_RUNNING))	2004	if (!(coro->flags & CF_RUNNING))
1809	{	2005	{
…		…
1871	CODE:	2067	CODE:
1872	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1873	OUTPUT:	2069	OUTPUT:
1874	RETVAL	2070	RETVAL
1875		2071
1876	IV	2072	UV
1877	rss (Coro::State coro)	2073	rss (Coro::State coro)
1878	PROTOTYPE: $	2074	PROTOTYPE: $
1879	ALIAS:	2075	ALIAS:
1880	usecount = 1	2076	usecount = 1
1881	CODE:	2077	CODE:
…		…
1891	force_cctx ()	2087	force_cctx ()
1892	CODE:	2088	CODE:
1893	struct coro *coro = SvSTATE (coro_current);	2089	struct coro *coro = SvSTATE (coro_current);
1894	coro->cctx->idle_sp = 0;	2090	coro->cctx->idle_sp = 0;
1895		2091
1896	MODULE = Coro::State PACKAGE = Coro
1897
1898	BOOT:
1899	{
1900	int i;
1901
1902	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1903	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1904	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1905
1906	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1907	SvREADONLY_on (coro_current);
1908
1909	coro_stash = gv_stashpv ("Coro", TRUE);
1910
1911	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1912	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1913	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1914	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1915	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1916	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1917
1918	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1919	coro_ready[i] = newAV ();
1920
1921	{
1922	SV *sv = perl_get_sv ("Coro::API", TRUE);
1923	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1924
1925	coroapi.schedule = api_schedule;
1926	coroapi.cede = api_cede;
1927	coroapi.cede_notself = api_cede_notself;
1928	coroapi.ready = api_ready;
1929	coroapi.is_ready = api_is_ready;
1930	coroapi.nready = &coro_nready;
1931	coroapi.current = coro_current;
1932
1933	GCoroAPI = &coroapi;
1934	sv_setiv (sv, (IV)&coroapi);
1935	SvREADONLY_on (sv);
1936	}
1937	}
1938
1939	void
1940	_set_current (SV *current)
1941	PROTOTYPE: $
1942	CODE:
1943	SvREFCNT_dec (SvRV (coro_current));
1944	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1945
1946	void
1947	_set_readyhook (SV *hook)
1948	PROTOTYPE: $
1949	CODE:
1950	LOCK;
1951	SvREFCNT_dec (coro_readyhook);
1952	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1953	UNLOCK;
1954
1955	int
1956	prio (Coro::State coro, int newprio = 0)
1957	ALIAS:
1958	nice = 1
1959	CODE:
1960	{
1961	RETVAL = coro->prio;
1962
1963	if (items > 1)
1964	{
1965	if (ix)
1966	newprio = coro->prio - newprio;
1967
1968	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1969	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1970
1971	coro->prio = newprio;
1972	}
1973	}
1974	OUTPUT:
1975	RETVAL
1976
1977	SV *
1978	ready (SV *self)
1979	PROTOTYPE: $
1980	CODE:
1981	RETVAL = boolSV (api_ready (self));
1982	OUTPUT:
1983	RETVAL
1984
1985	int
1986	nready (...)
1987	PROTOTYPE:
1988	CODE:
1989	RETVAL = coro_nready;
1990	OUTPUT:
1991	RETVAL
1992
1993	void
1994	throw (Coro::State self, SV *throw = &PL_sv_undef)
1995	PROTOTYPE: $;$
1996	CODE:
1997	SvREFCNT_dec (self->throw);
1998	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1999
2000	void	2092	void
2001	swap_defsv (Coro::State self)	2093	swap_defsv (Coro::State self)
2002	PROTOTYPE: $	2094	PROTOTYPE: $
2003	ALIAS:	2095	ALIAS:
2004	swap_defav = 1	2096	swap_defav = 1
…		…
2011	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2103	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2012		2104
2013	SV tmp = src; src = dst; *dst = tmp;	2105	SV tmp = src; src = dst; *dst = tmp;
2014	}	2106	}
2015		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
2016	# for async_pool speedup	2212	# for async_pool speedup
2017	void	2213	void
2018	_pool_1 (SV *cb)	2214	_pool_1 (SV *cb)
2019	CODE:	2215	CODE:
2020	{	2216	{
…		…
2032	SvREFCNT_dec (old);	2228	SvREFCNT_dec (old);
2033	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
2034	}	2230	}
2035		2231
2036	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
2037	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2038		2234
2039	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
2040	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2041		2237
2042	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
2046		2242
2047	if (len > 0)	2243	if (len > 0)
2048	{	2244	{
2049	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
2050	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
2051	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2052	}	2248	}
2053		2249
2054	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
2055	}	2251	}
2056		2252
…		…
2063	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
2064		2260
2065	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
2066	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
2067		2263
2068	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2069	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2070	{	2266	{
2071	SV *old = PL_diehook;	2267	SV *old = PL_diehook;
2072	PL_diehook = 0;	2268	PL_diehook = 0;
2073	SvREFCNT_dec (old);	2269	SvREFCNT_dec (old);
…		…
2084	api_trace (coro_current, 0);	2280	api_trace (coro_current, 0);
2085		2281
2086	av_push (av_async_pool, newSVsv (coro_current));	2282	av_push (av_async_pool, newSVsv (coro_current));
2087	}	2283	}
2088		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
2089		2333
2090	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
2091		2335
2092	SV *	2336	void
2093	_get_state ()	2337	_get_state (SV *self)
2094	CODE:	2338	PPCODE:
2095	{	2339	{
2096	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
2097		2341	AV *av = newAV ();
		2342	int i;
2098	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
2099	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
2100	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
2101	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
2102		2347
2103	data->errorno = errno;	2348	data->errorno = errno;
2104	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
2105	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
2106	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);
2107	}	2363	}
2108	OUTPUT:
2109	RETVAL
2110		2364
2111	void	2365	void
2112	_set_state (char *data_)	2366	_set_state (SV *state)
2113	PROTOTYPE: $	2367	PROTOTYPE: $
2114	CODE:	2368	PPCODE:
2115	{	2369	{
2116	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;
2117		2373
2118	errno = data->errorno;	2374	errno = data->errorno;
2119	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
2120	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
2121	PL_statcache = data->statcache;	2377	PL_statcache = data->statcache;
		2378
		2379	EXTEND (SP, AvFILLp (av));
		2380	for (i = 0; i < AvFILLp (av); ++i)
		2381	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2122	}	2382	}
2123		2383
2124		2384
2125	MODULE = Coro::State PACKAGE = Coro::AnyEvent	2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2126		2386
…		…
2150	}	2410	}
2151		2411
2152	--incede;	2412	--incede;
2153	}	2413	}
2154		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 1.240 by root, Sun Jun 29 00:28:17 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 1.240 by root, Sun Jun 29 00:28:17 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC