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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs.
Revision 1.258 by root, Sun Nov 9 23:08:49 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
128	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
129		143
130	#include "CoroAPI.h"	144	#include "CoroAPI.h"
131		145
132	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
133	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
136	#else	155	#else
		156
137	# define LOCK (void)0	157	# define LOCK (void)0
138	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
139	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
140		166
141	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
142	struct io_state	168	struct io_state
143	{	169	{
		170	AV *res;
144	int errorno;	171	int errorno;
145	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	173	int laststatval;
147	Stat_t statcache;	174	Stat_t statcache;
148	};	175	};
149		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
156		186
157	static GV irsgv; / $/ */	187	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	188	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	189	static SV *rv_diehook;
160	static SV *rv_warnhook;	190	static SV *rv_warnhook;
…		…
162		192
163	/* async_pool helper stuff */	193	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	194	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	195	static SV *sv_pool_size;
166	static AV *av_async_pool;	196	static AV *av_async_pool;
		197
		198	/* Coro::AnyEvent */
		199	static SV *sv_activity;
167		200
168	static struct coro_cctx *cctx_first;	201	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	202	static int cctx_count, cctx_idle;
170		203
171	enum {	204	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	222	void idle_sp; / sp of top-level transfer/schedule/cede call */
190	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	223	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	224	JMPENV *top_env;
192	coro_context cctx;	225	coro_context cctx;
193		226
		227	U32 gen;
194	#if CORO_USE_VALGRIND	228	#if CORO_USE_VALGRIND
195	int valgrind_id;	229	int valgrind_id;
196	#endif	230	#endif
197	unsigned char flags;	231	unsigned char flags;
198	} coro_cctx;	232	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	291	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	292	#define PRIO_MIN -4
259		293
260	/* for Coro.pm */	294	/* for Coro.pm */
261	static SV *coro_current;	295	static SV *coro_current;
		296	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	297	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
263	static int coro_nready;	298	static int coro_nready;
264	static struct coro *coro_first;	299	static struct coro *coro_first;
265		300
266	/ lowlevel stuff ********************************************************/	301	/ lowlevel stuff ********************************************************/
267		302
…		…
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	344	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	345	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	346	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	347	--AvFILLp (padlist);
313		348
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	349	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	350	av_store (newpadlist, 1, (SV *)newpad);
316		351
317	return newpadlist;	352	return newpadlist;
318	}	353	}
319		354
…		…
349		384
350	/* casting is fun. */	385	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	386	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	387	free_padlist (aTHX_ padlist);
353		388
		389	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		390
354	return 0;	391	return 0;
355	}	392	}
356		393
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	394	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	395	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	397	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	398	0, 0, 0, 0,
362	coro_cv_free	399	coro_cv_free
363	};	400	};
364		401
365	#define CORO_MAGIC(sv,type) \	402	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	403	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	404	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	405	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	406	: mg_find (sv, type) \
370	: 0	407	: 0
371		408
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	409	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
373	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	410	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		411
375	static struct coro *	412	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	445	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	446	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	447	else
411	{	448	{
412	#if CORO_PREFER_PERL_FUNCTIONS	449	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	450	/* this is probably cleaner? but also slower! */
		451	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	452	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	453	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	454	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	455	SvREFCNT_dec (cp);
418	#else	456	#else
…		…
502		540
503	if (expect_true (CvDEPTH (cv)))	541	if (expect_true (CvDEPTH (cv)))
504	{	542	{
505	EXTEND (SP, 3);	543	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	544	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	545	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	546	PUSHs ((SV *)cv);
509		547
510	CvDEPTH (cv) = 0;	548	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	549	get_padlist (aTHX_ cv);
512	}	550	}
…		…
604		642
605	/*	643	/*
606	* destroy the stacks, the callchain etc...	644	* destroy the stacks, the callchain etc...
607	*/	645	*/
608	static void	646	static void
609	coro_destroy_stacks (pTHX)	647	coro_destruct_stacks (pTHX)
610	{	648	{
611	while (PL_curstackinfo->si_next)	649	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	650	PL_curstackinfo = PL_curstackinfo->si_next;
613		651
614	while (PL_curstackinfo)	652	while (PL_curstackinfo)
…		…
651	#undef VAR	689	#undef VAR
652	}	690	}
653	else	691	else
654	slot = coro->slot;	692	slot = coro->slot;
655		693
		694	if (slot)
		695	{
656	rss += sizeof (slot->curstackinfo);	696	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	697	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	698	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	699	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	700	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	701	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	702	rss += slot->savestack_max * sizeof (ANY);
663		703
664	#if !PERL_VERSION_ATLEAST (5,10,0)	704	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	705	rss += slot->retstack_max * sizeof (OP *);
666	#endif	706	#endif
		707	}
667	}	708	}
668		709
669	return rss;	710	return rss;
670	}	711	}
671		712
672	/ coroutine stack handling **********************************************/	713	/ coroutine stack handling **********************************************/
673		714
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	715	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		717	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		718
		719	/* apparently < 5.8.8 */
		720	#ifndef MgPV_nolen_const
		721	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		722	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		723	(const char*)(mg)->mg_ptr)
		724	#endif
676		725
677	/*	726	/*
678	* This overrides the default magic get method of %SIG elements.	727	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	728	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	729	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	737	{
689	const char *s = MgPV_nolen_const (mg);	738	const char *s = MgPV_nolen_const (mg);
690		739
691	if (*s == '_')	740	if (*s == '_')
692	{	741	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	742	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	743
		744	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		745	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		746
		747	if (svp)
		748	{
		749	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		750	return 0;
		751	}
695	}	752	}
696		753
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	754	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		755	}
		756
		757	static int
		758	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		759	{
		760	const char *s = MgPV_nolen_const (mg);
		761
		762	if (*s == '_')
		763	{
		764	SV **svp = 0;
		765
		766	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		767	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		768
		769	if (svp)
		770	{
		771	SV old = svp;
		772	*svp = 0;
		773	SvREFCNT_dec (old);
		774	return 0;
		775	}
		776	}
		777
		778	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	779	}
699		780
700	static int	781	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	782	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	783	{
…		…
712	if (svp)	793	if (svp)
713	{	794	{
714	SV old = svp;	795	SV old = svp;
715	*svp = newSVsv (sv);	796	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	797	SvREFCNT_dec (old);
717	return;	798	return 0;
718	}	799	}
719	}	800	}
720		801
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	802	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	803	}
…		…
749	GvSV (PL_defgv) = newSV (0);	830	GvSV (PL_defgv) = newSV (0);
750	GvAV (PL_defgv) = coro->args; coro->args = 0;	831	GvAV (PL_defgv) = coro->args; coro->args = 0;
751	GvSV (PL_errgv) = newSV (0);	832	GvSV (PL_errgv) = newSV (0);
752	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	833	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
753	PL_rs = newSVsv (GvSV (irsgv));	834	PL_rs = newSVsv (GvSV (irsgv));
754	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	835	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
755		836
756	{	837	{
757	dSP;	838	dSP;
758	LOGOP myop;	839	LOGOP myop;
759		840
…		…
776	*/	857	*/
777	ENTER;	858	ENTER;
778	}	859	}
779		860
780	static void	861	static void
781	coro_destroy (pTHX_ struct coro *coro)	862	coro_destruct (pTHX_ struct coro *coro)
782	{	863	{
783	if (!IN_DESTRUCT)	864	if (!IN_DESTRUCT)
784	{	865	{
785	/* restore all saved variables and stuff */	866	/* restore all saved variables and stuff */
786	LEAVE_SCOPE (0);	867	LEAVE_SCOPE (0);
…		…
808	SvREFCNT_dec (PL_warnhook);	889	SvREFCNT_dec (PL_warnhook);
809		890
810	SvREFCNT_dec (coro->saved_deffh);	891	SvREFCNT_dec (coro->saved_deffh);
811	SvREFCNT_dec (coro->throw);	892	SvREFCNT_dec (coro->throw);
812		893
813	coro_destroy_stacks (aTHX);	894	coro_destruct_stacks (aTHX);
814	}	895	}
815		896
816	static void	897	static void
817	free_coro_mortal (pTHX)	898	free_coro_mortal (pTHX)
818	{	899	{
…		…
855	: cx->blk_gimme == G_SCALAR ? bot + 1	936	: cx->blk_gimme == G_SCALAR ? bot + 1
856	: bot;	937	: bot;
857		938
858	av_extend (av, top - bot);	939	av_extend (av, top - bot);
859	while (bot < top)	940	while (bot < top)
860	av_push (av, SvREFCNT_inc (*bot++));	941	av_push (av, SvREFCNT_inc_NN (*bot++));
861		942
862	PL_runops = RUNOPS_DEFAULT;	943	PL_runops = RUNOPS_DEFAULT;
863	ENTER;	944	ENTER;
864	SAVETMPS;	945	SAVETMPS;
865	EXTEND (SP, 3);	946	EXTEND (SP, 3);
…		…
979	* this is a _very_ stripped down perl interpreter ;)	1060	* this is a _very_ stripped down perl interpreter ;)
980	*/	1061	*/
981	static void	1062	static void
982	cctx_run (void *arg)	1063	cctx_run (void *arg)
983	{	1064	{
		1065	#ifdef USE_ITHREADS
		1066	# if CORO_PTHREAD
		1067	PERL_SET_CONTEXT (coro_thx);
		1068	# endif
		1069	#endif
		1070	{
984	dTHX;	1071	dTHX;
985		1072
986	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1073	/* cctx_run is the alternative tail of transfer(), so unlock here. */
987	UNLOCK;	1074	UNLOCK;
988		1075
989	/* we now skip the entersub that lead to transfer() */	1076	/* we now skip the entersub that lead to transfer() */
990	PL_op = PL_op->op_next;	1077	PL_op = PL_op->op_next;
991		1078
992	/* inject a fake subroutine call to cctx_init */	1079	/* inject a fake subroutine call to cctx_init */
993	cctx_prepare (aTHX_ (coro_cctx *)arg);	1080	cctx_prepare (aTHX_ (coro_cctx *)arg);
994		1081
995	/* somebody or something will hit me for both perl_run and PL_restartop */	1082	/* somebody or something will hit me for both perl_run and PL_restartop */
996	PL_restartop = PL_op;	1083	PL_restartop = PL_op;
997	perl_run (PL_curinterp);	1084	perl_run (PL_curinterp);
998		1085
999	/*	1086	/*
1000	* If perl-run returns we assume exit() was being called or the coro	1087	* If perl-run returns we assume exit() was being called or the coro
1001	* fell off the end, which seems to be the only valid (non-bug)	1088	* fell off the end, which seems to be the only valid (non-bug)
1002	* reason for perl_run to return. We try to exit by jumping to the	1089	* reason for perl_run to return. We try to exit by jumping to the
1003	* bootstrap-time "top" top_env, as we cannot restore the "main"	1090	* bootstrap-time "top" top_env, as we cannot restore the "main"
1004	* coroutine as Coro has no such concept	1091	* coroutine as Coro has no such concept
1005	*/	1092	*/
1006	PL_top_env = main_top_env;	1093	PL_top_env = main_top_env;
1007	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1094	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1095	}
1008	}	1096	}
1009		1097
1010	static coro_cctx *	1098	static coro_cctx *
1011	cctx_new ()	1099	cctx_new ()
1012	{	1100	{
1013	coro_cctx *cctx;	1101	coro_cctx *cctx;
		1102
		1103	++cctx_count;
		1104	New (0, cctx, 1, coro_cctx);
		1105
		1106	cctx->gen = cctx_gen;
		1107	cctx->flags = 0;
		1108
		1109	return cctx;
		1110	}
		1111
		1112	/* create a new cctx only suitable as source */
		1113	static coro_cctx *
		1114	cctx_new_empty ()
		1115	{
		1116	coro_cctx *cctx = cctx_new ();
		1117
		1118	cctx->sptr = 0;
		1119	cctx->idle_sp = 0; /* should never be a valid address */
		1120	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1121
		1122	return cctx;
		1123	}
		1124
		1125	/* create a new cctx suitable as destination/running a perl interpreter */
		1126	static coro_cctx *
		1127	cctx_new_run ()
		1128	{
		1129	coro_cctx *cctx = cctx_new ();
1014	void *stack_start;	1130	void *stack_start;
1015	size_t stack_size;	1131	size_t stack_size;
1016		1132
1017	++cctx_count;
1018
1019	Newz (0, cctx, 1, coro_cctx);
1020
1021	#if HAVE_MMAP	1133	#if HAVE_MMAP
1022	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1134	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1023	/* mmap supposedly does allocate-on-write for us */	1135	/* mmap supposedly does allocate-on-write for us */
1024	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1136	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1025		1137
1026	if (cctx->sptr != (void *)-1)	1138	if (cctx->sptr != (void *)-1)
1027	{	1139	{
…		…
1033	cctx->flags \|= CC_MAPPED;	1145	cctx->flags \|= CC_MAPPED;
1034	}	1146	}
1035	else	1147	else
1036	#endif	1148	#endif
1037	{	1149	{
1038	cctx->ssize = coro_stacksize * (long)sizeof (long);	1150	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1039	New (0, cctx->sptr, coro_stacksize, long);	1151	New (0, cctx->sptr, cctx_stacksize, long);
1040		1152
1041	if (!cctx->sptr)	1153	if (!cctx->sptr)
1042	{	1154	{
1043	perror ("FATAL: unable to allocate stack for coroutine");	1155	perror ("FATAL: unable to allocate stack for coroutine");
1044	_exit (EXIT_FAILURE);	1156	_exit (EXIT_FAILURE);
…		…
1059	{	1171	{
1060	if (!cctx)	1172	if (!cctx)
1061	return;	1173	return;
1062		1174
1063	--cctx_count;	1175	--cctx_count;
		1176	coro_destroy (&cctx->cctx);
1064		1177
		1178	/* coro_transfer creates new, empty cctx's */
		1179	if (cctx->sptr)
		1180	{
1065	#if CORO_USE_VALGRIND	1181	#if CORO_USE_VALGRIND
1066	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1182	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1067	#endif	1183	#endif
1068		1184
1069	#if HAVE_MMAP	1185	#if HAVE_MMAP
1070	if (cctx->flags & CC_MAPPED)	1186	if (cctx->flags & CC_MAPPED)
1071	munmap (cctx->sptr, cctx->ssize);	1187	munmap (cctx->sptr, cctx->ssize);
1072	else	1188	else
1073	#endif	1189	#endif
1074	Safefree (cctx->sptr);	1190	Safefree (cctx->sptr);
		1191	}
1075		1192
1076	Safefree (cctx);	1193	Safefree (cctx);
1077	}	1194	}
1078		1195
1079	/* wether this cctx should be destructed */	1196	/* wether this cctx should be destructed */
1080	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1197	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1081		1198
1082	static coro_cctx *	1199	static coro_cctx *
1083	cctx_get (pTHX)	1200	cctx_get (pTHX)
1084	{	1201	{
1085	while (expect_true (cctx_first))	1202	while (expect_true (cctx_first))
…		…
1092	return cctx;	1209	return cctx;
1093		1210
1094	cctx_destroy (cctx);	1211	cctx_destroy (cctx);
1095	}	1212	}
1096		1213
1097	return cctx_new ();	1214	return cctx_new_run ();
1098	}	1215	}
1099		1216
1100	static void	1217	static void
1101	cctx_put (coro_cctx *cctx)	1218	cctx_put (coro_cctx *cctx)
1102	{	1219	{
		1220	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1221
1103	/* free another cctx if overlimit */	1222	/* free another cctx if overlimit */
1104	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1223	if (expect_false (cctx_idle >= cctx_max_idle))
1105	{	1224	{
1106	coro_cctx *first = cctx_first;	1225	coro_cctx *first = cctx_first;
1107	cctx_first = first->next;	1226	cctx_first = first->next;
1108	--cctx_idle;	1227	--cctx_idle;
1109		1228
…		…
1141	/* always use the TRANSFER macro */	1260	/* always use the TRANSFER macro */
1142	static void NOINLINE	1261	static void NOINLINE
1143	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1262	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1144	{	1263	{
1145	dSTACKLEVEL;	1264	dSTACKLEVEL;
1146	static volatile int has_throw;
1147		1265
1148	/* sometimes transfer is only called to set idle_sp */	1266	/* sometimes transfer is only called to set idle_sp */
1149	if (expect_false (!next))	1267	if (expect_false (!next))
1150	{	1268	{
1151	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1269	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1152	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1270	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1153	}	1271	}
1154	else if (expect_true (prev != next))	1272	else if (expect_true (prev != next))
1155	{	1273	{
		1274	static volatile int has_throw;
1156	coro_cctx *prev__cctx;	1275	coro_cctx *prev__cctx;
1157		1276
1158	if (expect_false (prev->flags & CF_NEW))	1277	if (expect_false (prev->flags & CF_NEW))
1159	{	1278	{
1160	/* create a new empty context */	1279	/* create a new empty/source context */
1161	Newz (0, prev->cctx, 1, coro_cctx);	1280	prev->cctx = cctx_new_empty ();
1162	prev->flags &= ~CF_NEW;	1281	prev->flags &= ~CF_NEW;
1163	prev->flags \|= CF_RUNNING;	1282	prev->flags \|= CF_RUNNING;
1164	}	1283	}
1165		1284
1166	prev->flags &= ~CF_RUNNING;	1285	prev->flags &= ~CF_RUNNING;
…		…
1273	croak ("FATAL: tried to destroy currently running coroutine");	1392	croak ("FATAL: tried to destroy currently running coroutine");
1274		1393
1275	save_perl (aTHX_ &temp);	1394	save_perl (aTHX_ &temp);
1276	load_perl (aTHX_ coro);	1395	load_perl (aTHX_ coro);
1277		1396
1278	coro_destroy (aTHX_ coro);	1397	coro_destruct (aTHX_ coro);
1279		1398
1280	load_perl (aTHX_ &temp);	1399	load_perl (aTHX_ &temp);
1281		1400
1282	coro->slot = 0;	1401	coro->slot = 0;
1283	}	1402	}
…		…
1371	static int	1490	static int
1372	api_ready (SV *coro_sv)	1491	api_ready (SV *coro_sv)
1373	{	1492	{
1374	dTHX;	1493	dTHX;
1375	struct coro *coro;	1494	struct coro *coro;
		1495	SV *sv_hook;
		1496	void (*xs_hook)(void);
1376		1497
1377	if (SvROK (coro_sv))	1498	if (SvROK (coro_sv))
1378	coro_sv = SvRV (coro_sv);	1499	coro_sv = SvRV (coro_sv);
1379		1500
1380	coro = SvSTATE (coro_sv);	1501	coro = SvSTATE (coro_sv);
…		…
1383	return 0;	1504	return 0;
1384		1505
1385	coro->flags \|= CF_READY;	1506	coro->flags \|= CF_READY;
1386		1507
1387	LOCK;	1508	LOCK;
		1509
		1510	sv_hook = coro_nready ? 0 : coro_readyhook;
		1511	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1512
1388	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1513	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1389	++coro_nready;	1514	++coro_nready;
		1515
1390	UNLOCK;	1516	UNLOCK;
		1517
		1518	if (sv_hook)
		1519	{
		1520	dSP;
		1521
		1522	ENTER;
		1523	SAVETMPS;
		1524
		1525	PUSHMARK (SP);
		1526	PUTBACK;
		1527	call_sv (sv_hook, G_DISCARD);
		1528	SPAGAIN;
		1529
		1530	FREETMPS;
		1531	LEAVE;
		1532	}
		1533
		1534	if (xs_hook)
		1535	xs_hook ();
1391		1536
1392	return 1;	1537	return 1;
1393	}	1538	}
1394		1539
1395	static int	1540	static int
…		…
1528	struct coro *coro = SvSTATE (coro_sv);	1673	struct coro *coro = SvSTATE (coro_sv);
1529		1674
1530	if (flags & CC_TRACE)	1675	if (flags & CC_TRACE)
1531	{	1676	{
1532	if (!coro->cctx)	1677	if (!coro->cctx)
1533	coro->cctx = cctx_new ();	1678	coro->cctx = cctx_new_run ();
1534	else if (!(coro->cctx->flags & CC_TRACE))	1679	else if (!(coro->cctx->flags & CC_TRACE))
1535	croak ("cannot enable tracing on coroutine with custom stack");	1680	croak ("cannot enable tracing on coroutine with custom stack");
1536		1681
1537	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1682	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1538	}	1683	}
…		…
1545	else	1690	else
1546	coro->slot->runops = RUNOPS_DEFAULT;	1691	coro->slot->runops = RUNOPS_DEFAULT;
1547	}	1692	}
1548	}	1693	}
1549		1694
		1695	#if 0
		1696	static int
		1697	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1698	{
		1699	AV *padlist;
		1700	AV av = (AV )mg->mg_obj;
		1701
		1702	abort ();
		1703
		1704	return 0;
		1705	}
		1706
		1707	static MGVTBL coro_gensub_vtbl = {
		1708	0, 0, 0, 0,
		1709	coro_gensub_free
		1710	};
		1711	#endif
		1712
		1713	/*****************************************************************************/
		1714	/* PerlIO::cede */
		1715
		1716	typedef struct
		1717	{
		1718	PerlIOBuf base;
		1719	NV next, every;
		1720	} PerlIOCede;
		1721
		1722	static IV
		1723	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1724	{
		1725	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1726
		1727	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1728	self->next = nvtime () + self->every;
		1729
		1730	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1731	}
		1732
		1733	static SV *
		1734	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1735	{
		1736	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1737
		1738	return newSVnv (self->every);
		1739	}
		1740
		1741	static IV
		1742	PerlIOCede_flush (pTHX_ PerlIO *f)
		1743	{
		1744	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1745	double now = nvtime ();
		1746
		1747	if (now >= self->next)
		1748	{
		1749	api_cede ();
		1750	self->next = now + self->every;
		1751	}
		1752
		1753	return PerlIOBuf_flush (aTHX_ f);
		1754	}
		1755
		1756	static PerlIO_funcs PerlIO_cede =
		1757	{
		1758	sizeof(PerlIO_funcs),
		1759	"cede",
		1760	sizeof(PerlIOCede),
		1761	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1762	PerlIOCede_pushed,
		1763	PerlIOBuf_popped,
		1764	PerlIOBuf_open,
		1765	PerlIOBase_binmode,
		1766	PerlIOCede_getarg,
		1767	PerlIOBase_fileno,
		1768	PerlIOBuf_dup,
		1769	PerlIOBuf_read,
		1770	PerlIOBuf_unread,
		1771	PerlIOBuf_write,
		1772	PerlIOBuf_seek,
		1773	PerlIOBuf_tell,
		1774	PerlIOBuf_close,
		1775	PerlIOCede_flush,
		1776	PerlIOBuf_fill,
		1777	PerlIOBase_eof,
		1778	PerlIOBase_error,
		1779	PerlIOBase_clearerr,
		1780	PerlIOBase_setlinebuf,
		1781	PerlIOBuf_get_base,
		1782	PerlIOBuf_bufsiz,
		1783	PerlIOBuf_get_ptr,
		1784	PerlIOBuf_get_cnt,
		1785	PerlIOBuf_set_ptrcnt,
		1786	};
		1787
		1788
1550	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1789	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1551		1790
1552	PROTOTYPES: DISABLE	1791	PROTOTYPES: DISABLE
1553		1792
1554	BOOT:	1793	BOOT:
1555	{	1794	{
1556	#ifdef USE_ITHREADS	1795	#ifdef USE_ITHREADS
1557	MUTEX_INIT (&coro_mutex);	1796	MUTEX_INIT (&coro_lock);
		1797	# if CORO_PTHREAD
		1798	coro_thx = PERL_GET_CONTEXT;
		1799	# endif
1558	#endif	1800	#endif
1559	BOOT_PAGESIZE;	1801	BOOT_PAGESIZE;
1560		1802
1561	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1803	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1562	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1804	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1563		1805
1564	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1806	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1565	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1807	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1566	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1808	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1567	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1568		1809
1569	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1810	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1570	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1811	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1571	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1812	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1572		1813
…		…
1581	main_top_env = PL_top_env;	1822	main_top_env = PL_top_env;
1582		1823
1583	while (main_top_env->je_prev)	1824	while (main_top_env->je_prev)
1584	main_top_env = main_top_env->je_prev;	1825	main_top_env = main_top_env->je_prev;
1585		1826
1586	coroapi.ver = CORO_API_VERSION;	1827	coroapi.ver = CORO_API_VERSION;
1587	coroapi.rev = CORO_API_REVISION;	1828	coroapi.rev = CORO_API_REVISION;
1588	coroapi.transfer = api_transfer;	1829	coroapi.transfer = api_transfer;
		1830
		1831	{
		1832	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1833
		1834	if (!svp) croak ("Time::HiRes is required");
		1835	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1836
		1837	nvtime = INT2PTR (double ()(), SvIV (svp));
		1838	}
1589		1839
1590	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1840	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1591	}	1841	}
1592		1842
1593	SV *	1843	SV *
…		…
1641	ta.next = 0;	1891	ta.next = 0;
1642	break;	1892	break;
1643		1893
1644	case 1:	1894	case 1:
1645	if (items != 2)	1895	if (items != 2)
1646	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1896	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1647		1897
1648	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1898	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1649	break;	1899	break;
1650		1900
1651	case 2:	1901	case 2:
…		…
1677	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1927	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1678	OUTPUT:	1928	OUTPUT:
1679	RETVAL	1929	RETVAL
1680		1930
1681	void	1931	void
1682	_exit (code)	1932	_exit (int code)
1683	int code
1684	PROTOTYPE: $	1933	PROTOTYPE: $
1685	CODE:	1934	CODE:
1686	_exit (code);	1935	_exit (code);
1687		1936
1688	int	1937	int
1689	cctx_stacksize (int new_stacksize = 0)	1938	cctx_stacksize (int new_stacksize = 0)
1690	CODE:	1939	CODE:
1691	RETVAL = coro_stacksize;	1940	RETVAL = cctx_stacksize;
1692	if (new_stacksize)	1941	if (new_stacksize)
		1942	{
1693	coro_stacksize = new_stacksize;	1943	cctx_stacksize = new_stacksize;
		1944	++cctx_gen;
		1945	}
		1946	OUTPUT:
		1947	RETVAL
		1948
		1949	int
		1950	cctx_max_idle (int max_idle = 0)
		1951	CODE:
		1952	RETVAL = cctx_max_idle;
		1953	if (max_idle > 1)
		1954	cctx_max_idle = max_idle;
1694	OUTPUT:	1955	OUTPUT:
1695	RETVAL	1956	RETVAL
1696		1957
1697	int	1958	int
1698	cctx_count ()	1959	cctx_count ()
…		…
1722	call (Coro::State coro, SV *coderef)	1983	call (Coro::State coro, SV *coderef)
1723	ALIAS:	1984	ALIAS:
1724	eval = 1	1985	eval = 1
1725	CODE:	1986	CODE:
1726	{	1987	{
1727	if (coro->mainstack)	1988	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1728	{	1989	{
1729	struct coro temp;	1990	struct coro temp;
1730		1991
1731	if (!(coro->flags & CF_RUNNING))	1992	if (!(coro->flags & CF_RUNNING))
1732	{	1993	{
…		…
1779		2040
1780	void	2041	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2042	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		2043
1783	SV *	2044	SV *
1784	has_stack (Coro::State coro)	2045	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	2046	PROTOTYPE: $
1786	CODE:	2047	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	2048	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	2049	OUTPUT:
1789	RETVAL	2050	RETVAL
…		…
1794	CODE:	2055	CODE:
1795	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2056	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1796	OUTPUT:	2057	OUTPUT:
1797	RETVAL	2058	RETVAL
1798		2059
1799	IV	2060	UV
1800	rss (Coro::State coro)	2061	rss (Coro::State coro)
1801	PROTOTYPE: $	2062	PROTOTYPE: $
1802	ALIAS:	2063	ALIAS:
1803	usecount = 1	2064	usecount = 1
1804	CODE:	2065	CODE:
…		…
1814	force_cctx ()	2075	force_cctx ()
1815	CODE:	2076	CODE:
1816	struct coro *coro = SvSTATE (coro_current);	2077	struct coro *coro = SvSTATE (coro_current);
1817	coro->cctx->idle_sp = 0;	2078	coro->cctx->idle_sp = 0;
1818		2079
1819	MODULE = Coro::State PACKAGE = Coro
1820
1821	BOOT:
1822	{
1823	int i;
1824
1825	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1826	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1827	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1828
1829	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1830	SvREADONLY_on (coro_current);
1831
1832	coro_stash = gv_stashpv ("Coro", TRUE);
1833
1834	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1835	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1836	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1837	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1838	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1839	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1840
1841	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1842	coro_ready[i] = newAV ();
1843
1844	{
1845	SV *sv = perl_get_sv ("Coro::API", TRUE);
1846	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1847
1848	coroapi.schedule = api_schedule;
1849	coroapi.cede = api_cede;
1850	coroapi.cede_notself = api_cede_notself;
1851	coroapi.ready = api_ready;
1852	coroapi.is_ready = api_is_ready;
1853	coroapi.nready = &coro_nready;
1854	coroapi.current = coro_current;
1855
1856	GCoroAPI = &coroapi;
1857	sv_setiv (sv, (IV)&coroapi);
1858	SvREADONLY_on (sv);
1859	}
1860	}
1861
1862	void
1863	_set_current (SV *current)
1864	PROTOTYPE: $
1865	CODE:
1866	SvREFCNT_dec (SvRV (coro_current));
1867	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1868
1869	int
1870	prio (Coro::State coro, int newprio = 0)
1871	ALIAS:
1872	nice = 1
1873	CODE:
1874	{
1875	RETVAL = coro->prio;
1876
1877	if (items > 1)
1878	{
1879	if (ix)
1880	newprio = coro->prio - newprio;
1881
1882	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1883	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1884
1885	coro->prio = newprio;
1886	}
1887	}
1888	OUTPUT:
1889	RETVAL
1890
1891	SV *
1892	ready (SV *self)
1893	PROTOTYPE: $
1894	CODE:
1895	RETVAL = boolSV (api_ready (self));
1896	OUTPUT:
1897	RETVAL
1898
1899	int
1900	nready (...)
1901	PROTOTYPE:
1902	CODE:
1903	RETVAL = coro_nready;
1904	OUTPUT:
1905	RETVAL
1906
1907	void
1908	throw (Coro::State self, SV *throw = &PL_sv_undef)
1909	PROTOTYPE: $;$
1910	CODE:
1911	SvREFCNT_dec (self->throw);
1912	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1913
1914	void	2080	void
1915	swap_defsv (Coro::State self)	2081	swap_defsv (Coro::State self)
1916	PROTOTYPE: $	2082	PROTOTYPE: $
1917	ALIAS:	2083	ALIAS:
1918	swap_defav = 1	2084	swap_defav = 1
…		…
1925	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2091	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1926		2092
1927	SV tmp = src; src = dst; *dst = tmp;	2093	SV tmp = src; src = dst; *dst = tmp;
1928	}	2094	}
1929		2095
		2096	MODULE = Coro::State PACKAGE = Coro
		2097
		2098	BOOT:
		2099	{
		2100	int i;
		2101
		2102	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2103	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2104	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2105
		2106	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2107	SvREADONLY_on (coro_current);
		2108
		2109	coro_stash = gv_stashpv ("Coro", TRUE);
		2110
		2111	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2112	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2113	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2114	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2115	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2116	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2117
		2118	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2119	coro_ready[i] = newAV ();
		2120
		2121	{
		2122	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2123	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2124
		2125	coroapi.schedule = api_schedule;
		2126	coroapi.cede = api_cede;
		2127	coroapi.cede_notself = api_cede_notself;
		2128	coroapi.ready = api_ready;
		2129	coroapi.is_ready = api_is_ready;
		2130	coroapi.nready = &coro_nready;
		2131	coroapi.current = coro_current;
		2132
		2133	GCoroAPI = &coroapi;
		2134	sv_setiv (sv, (IV)&coroapi);
		2135	SvREADONLY_on (sv);
		2136	}
		2137	}
		2138
		2139	void
		2140	_set_current (SV *current)
		2141	PROTOTYPE: $
		2142	CODE:
		2143	SvREFCNT_dec (SvRV (coro_current));
		2144	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2145
		2146	void
		2147	_set_readyhook (SV *hook)
		2148	PROTOTYPE: $
		2149	CODE:
		2150	LOCK;
		2151	SvREFCNT_dec (coro_readyhook);
		2152	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2153	UNLOCK;
		2154
		2155	int
		2156	prio (Coro::State coro, int newprio = 0)
		2157	ALIAS:
		2158	nice = 1
		2159	CODE:
		2160	{
		2161	RETVAL = coro->prio;
		2162
		2163	if (items > 1)
		2164	{
		2165	if (ix)
		2166	newprio = coro->prio - newprio;
		2167
		2168	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2169	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2170
		2171	coro->prio = newprio;
		2172	}
		2173	}
		2174	OUTPUT:
		2175	RETVAL
		2176
		2177	SV *
		2178	ready (SV *self)
		2179	PROTOTYPE: $
		2180	CODE:
		2181	RETVAL = boolSV (api_ready (self));
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	int
		2186	nready (...)
		2187	PROTOTYPE:
		2188	CODE:
		2189	RETVAL = coro_nready;
		2190	OUTPUT:
		2191	RETVAL
		2192
		2193	void
		2194	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2195	PROTOTYPE: $;$
		2196	CODE:
		2197	SvREFCNT_dec (self->throw);
		2198	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2199
1930	# for async_pool speedup	2200	# for async_pool speedup
1931	void	2201	void
1932	_pool_1 (SV *cb)	2202	_pool_1 (SV *cb)
1933	CODE:	2203	CODE:
1934	{	2204	{
…		…
1939	AV *invoke_av;	2209	AV *invoke_av;
1940	int i, len;	2210	int i, len;
1941		2211
1942	if (!invoke)	2212	if (!invoke)
1943	{	2213	{
1944	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2214	SV *old = PL_diehook;
		2215	PL_diehook = 0;
		2216	SvREFCNT_dec (old);
1945	croak ("\3async_pool terminate\2\n");	2217	croak ("\3async_pool terminate\2\n");
1946	}	2218	}
1947		2219
1948	SvREFCNT_dec (coro->saved_deffh);	2220	SvREFCNT_dec (coro->saved_deffh);
1949	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2221	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1950		2222
1951	hv_store (hv, "desc", sizeof ("desc") - 1,	2223	hv_store (hv, "desc", sizeof ("desc") - 1,
1952	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2224	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1953		2225
1954	invoke_av = (AV *)SvRV (invoke);	2226	invoke_av = (AV *)SvRV (invoke);
…		…
1958		2230
1959	if (len > 0)	2231	if (len > 0)
1960	{	2232	{
1961	av_fill (defav, len - 1);	2233	av_fill (defav, len - 1);
1962	for (i = 0; i < len; ++i)	2234	for (i = 0; i < len; ++i)
1963	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2235	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1964	}	2236	}
1965		2237
1966	SvREFCNT_dec (invoke);	2238	SvREFCNT_dec (invoke);
1967	}	2239	}
1968		2240
…		…
1975	sv_setsv (cb, &PL_sv_undef);	2247	sv_setsv (cb, &PL_sv_undef);
1976		2248
1977	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2249	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1978	coro->saved_deffh = 0;	2250	coro->saved_deffh = 0;
1979		2251
1980	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2252	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1981	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2253	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1982	{	2254	{
1983	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2255	SV *old = PL_diehook;
		2256	PL_diehook = 0;
		2257	SvREFCNT_dec (old);
1984	croak ("\3async_pool terminate\2\n");	2258	croak ("\3async_pool terminate\2\n");
1985	}	2259	}
1986		2260
1987	av_clear (GvAV (PL_defgv));	2261	av_clear (GvAV (PL_defgv));
1988	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2262	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1994	api_trace (coro_current, 0);	2268	api_trace (coro_current, 0);
1995		2269
1996	av_push (av_async_pool, newSVsv (coro_current));	2270	av_push (av_async_pool, newSVsv (coro_current));
1997	}	2271	}
1998		2272
		2273	#if 0
		2274
		2275	void
		2276	_generator_call (...)
		2277	PROTOTYPE: @
		2278	PPCODE:
		2279	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2280	xxxx
		2281	abort ();
		2282
		2283	SV *
		2284	gensub (SV *sub, ...)
		2285	PROTOTYPE: &;@
		2286	CODE:
		2287	{
		2288	struct coro *coro;
		2289	MAGIC *mg;
		2290	CV *xcv;
		2291	CV ncv = (CV )newSV_type (SVt_PVCV);
		2292	int i;
		2293
		2294	CvGV (ncv) = CvGV (cv);
		2295	CvFILE (ncv) = CvFILE (cv);
		2296
		2297	Newz (0, coro, 1, struct coro);
		2298	coro->args = newAV ();
		2299	coro->flags = CF_NEW;
		2300
		2301	av_extend (coro->args, items - 1);
		2302	for (i = 1; i < items; i++)
		2303	av_push (coro->args, newSVsv (ST (i)));
		2304
		2305	CvISXSUB_on (ncv);
		2306	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2307
		2308	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2309
		2310	CvXSUB (ncv) = CvXSUB (xcv);
		2311	CvANON_on (ncv);
		2312
		2313	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2314	RETVAL = newRV_noinc ((SV *)ncv);
		2315	}
		2316	OUTPUT:
		2317	RETVAL
		2318
		2319	#endif
		2320
1999		2321
2000	MODULE = Coro::State PACKAGE = Coro::AIO	2322	MODULE = Coro::State PACKAGE = Coro::AIO
2001		2323
2002	SV *	2324	void
2003	_get_state ()	2325	_get_state (SV *self)
2004	CODE:	2326	PPCODE:
2005	{	2327	{
2006	struct io_state *data;	2328	AV *defav = GvAV (PL_defgv);
2007		2329	AV *av = newAV ();
		2330	int i;
2008	RETVAL = newSV (sizeof (struct io_state));	2331	SV *data_sv = newSV (sizeof (struct io_state));
2009	data = (struct io_state *)SvPVX (RETVAL);	2332	struct io_state data = (struct io_state )SvPVX (data_sv);
2010	SvCUR_set (RETVAL, sizeof (struct io_state));	2333	SvCUR_set (data_sv, sizeof (struct io_state));
2011	SvPOK_only (RETVAL);	2334	SvPOK_only (data_sv);
2012		2335
2013	data->errorno = errno;	2336	data->errorno = errno;
2014	data->laststype = PL_laststype;	2337	data->laststype = PL_laststype;
2015	data->laststatval = PL_laststatval;	2338	data->laststatval = PL_laststatval;
2016	data->statcache = PL_statcache;	2339	data->statcache = PL_statcache;
		2340
		2341	av_extend (av, AvFILLp (defav) + 1 + 1);
		2342
		2343	for (i = 0; i <= AvFILLp (defav); ++i)
		2344	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2345
		2346	av_push (av, data_sv);
		2347
		2348	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2349
		2350	api_ready (self);
2017	}	2351	}
2018	OUTPUT:
2019	RETVAL
2020		2352
2021	void	2353	void
2022	_set_state (char *data_)	2354	_set_state (SV *state)
2023	PROTOTYPE: $	2355	PROTOTYPE: $
2024	CODE:	2356	PPCODE:
2025	{	2357	{
2026	struct io_state data = (void )data_;	2358	AV av = (AV )SvRV (state);
		2359	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2360	int i;
2027		2361
2028	errno = data->errorno;	2362	errno = data->errorno;
2029	PL_laststype = data->laststype;	2363	PL_laststype = data->laststype;
2030	PL_laststatval = data->laststatval;	2364	PL_laststatval = data->laststatval;
2031	PL_statcache = data->statcache;	2365	PL_statcache = data->statcache;
2032	}
2033		2366
		2367	EXTEND (SP, AvFILLp (av));
		2368	for (i = 0; i < AvFILLp (av); ++i)
		2369	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2370	}
		2371
		2372
		2373	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2374
		2375	BOOT:
		2376	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2377
		2378	SV *
		2379	_schedule (...)
		2380	PROTOTYPE: @
		2381	CODE:
		2382	{
		2383	static int incede;
		2384
		2385	api_cede_notself ();
		2386
		2387	++incede;
		2388	while (coro_nready >= incede && api_cede ())
		2389	;
		2390
		2391	sv_setsv (sv_activity, &PL_sv_undef);
		2392	if (coro_nready >= incede)
		2393	{
		2394	PUSHMARK (SP);
		2395	PUTBACK;
		2396	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2397	SPAGAIN;
		2398	}
		2399
		2400	--incede;
		2401	}
		2402
		2403
		2404	MODULE = Coro::State PACKAGE = PerlIO::cede
		2405
		2406	BOOT:
		2407	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs. Revision 1.258 by root, Sun Nov 9 23:08:49 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.230 by root, Mon Apr 14 11:28:59 2008 UTC vs.
Revision 1.258 by root, Sun Nov 9 23:08:49 2008 UTC