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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs.
Revision 1.263 by root, Wed Nov 12 04:49:06 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>
…		…
15		16
16	#ifdef WIN32	17	#ifdef WIN32
17	# undef setjmp	18	# undef setjmp
18	# undef longjmp	19	# undef longjmp
19	# undef _exit	20	# undef _exit
20	#include <setjmp.h>	21	# define setjmp _setjmp // deep magic, don't ask
21	#else	22	#else
22	# include <inttypes.h> /* most portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
23	#endif	24	#endif
24		25
25	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
…		…
45	# define BOOT_PAGESIZE (void)0	46	# define BOOT_PAGESIZE (void)0
46	#endif	47	#endif
47		48
48	#if CORO_USE_VALGRIND	49	#if CORO_USE_VALGRIND
49	# include <valgrind/valgrind.h>	50	# include <valgrind/valgrind.h>
50	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))
51	#else
52	# define REGISTER_STACK(cctx,start,end)
53	#endif	51	#endif
54		52
55	/* the maximum number of idle cctx that will be pooled */	53	/* the maximum number of idle cctx that will be pooled */
56	#define MAX_IDLE_CCTX 8	54	static int cctx_max_idle = 4;
57		55
58	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
59	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
60	\|\| (PERL_REVISION == (a) \	58	\|\| (PERL_REVISION == (a) \
61	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
…		…
80	# ifndef IS_PADCONST	78	# ifndef IS_PADCONST
81	# define IS_PADCONST(v) 0	79	# define IS_PADCONST(v) 0
82	# endif	80	# endif
83	#endif	81	#endif
84		82
		83	/* 5.11 */
		84	#ifndef CxHASARGS
		85	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		86	#endif
		87
		88	/* 5.10.0 */
		89	#ifndef SvREFCNT_inc_NN
		90	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		91	#endif
		92
85	/* 5.8.8 */	93	/* 5.8.8 */
86	#ifndef GV_NOTQUAL	94	#ifndef GV_NOTQUAL
87	# define GV_NOTQUAL 0	95	# define GV_NOTQUAL 0
88	#endif	96	#endif
89	#ifndef newSV	97	#ifndef newSV
90	# define newSV(l) NEWSV(0,l)	98	# 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	99	#endif
97		100
98	/* 5.8.7 */	101	/* 5.8.7 */
99	#ifndef SvRV_set	102	#ifndef SvRV_set
100	# define SvRV_set(s,v) SvRV(s) = (v)	103	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
122		125
123	#if __GNUC__ >= 3	126	#if __GNUC__ >= 3
124	# define attribute(x) __attribute__(x)	127	# define attribute(x) __attribute__(x)
125	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	128	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
126	# define expect(expr,value) __builtin_expect ((expr),(value))	129	# define expect(expr,value) __builtin_expect ((expr),(value))
		130	# define INLINE static inline
127	#else	131	#else
128	# define attribute(x)	132	# define attribute(x)
129	# define BARRIER	133	# define BARRIER
130	# define expect(expr,value) (expr)	134	# define expect(expr,value) (expr)
		135	# define INLINE static
131	#endif	136	#endif
132		137
133	#define expect_false(expr) expect ((expr) != 0, 0)	138	#define expect_false(expr) expect ((expr) != 0, 0)
134	#define expect_true(expr) expect ((expr) != 0, 1)	139	#define expect_true(expr) expect ((expr) != 0, 1)
135		140
136	#define NOINLINE attribute ((noinline))	141	#define NOINLINE attribute ((noinline))
137		142
138	#include "CoroAPI.h"	143	#include "CoroAPI.h"
139		144
140	#ifdef USE_ITHREADS	145	#ifdef USE_ITHREADS
		146
141	static perl_mutex coro_mutex;	147	static perl_mutex coro_lock;
142	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	148	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
143	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	149	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		150	# if CORO_PTHREAD
		151	static void *coro_thx;
		152	# endif
		153
144	#else	154	#else
		155
145	# define LOCK (void)0	156	# define LOCK (void)0
146	# define UNLOCK (void)0	157	# define UNLOCK (void)0
		158
147	#endif	159	#endif
		160
		161	# undef LOCK
		162	# define LOCK (void)0
		163	# undef UNLOCK
		164	# define UNLOCK (void)0
148		165
149	/* helper storage struct for Coro::AIO */	166	/* helper storage struct for Coro::AIO */
150	struct io_state	167	struct io_state
151	{	168	{
		169	AV *res;
152	int errorno;	170	int errorno;
153	I32 laststype;	171	I32 laststype; /* U16 in 5.10.0 */
154	int laststatval;	172	int laststatval;
155	Stat_t statcache;	173	Stat_t statcache;
156	};	174	};
157		175
		176	static double (nvtime)(); / so why doesn't it take void? */
		177
		178	static U32 cctx_gen;
158	static size_t coro_stacksize = CORO_STACKSIZE;	179	static size_t cctx_stacksize = CORO_STACKSIZE;
159	static struct CoroAPI coroapi;	180	static struct CoroAPI coroapi;
160	static AV main_mainstack; / used to differentiate between $main and others */	181	static AV main_mainstack; / used to differentiate between $main and others */
161	static JMPENV *main_top_env;	182	static JMPENV *main_top_env;
162	static HV coro_state_stash, coro_stash;	183	static HV coro_state_stash, coro_stash;
163	static volatile SV coro_mortal; / will be freed after next transfer */	184	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
		185	static volatile struct coro *transfer_next;
		186
		187	struct transfer_args
		188	{
		189	struct coro prev, next;
		190	};
164		191
165	static GV irsgv; / $/ */	192	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	193	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	194	static SV *rv_diehook;
168	static SV *rv_warnhook;	195	static SV *rv_warnhook;
…		…
170		197
171	/* async_pool helper stuff */	198	/* async_pool helper stuff */
172	static SV *sv_pool_rss;	199	static SV *sv_pool_rss;
173	static SV *sv_pool_size;	200	static SV *sv_pool_size;
174	static AV *av_async_pool;	201	static AV *av_async_pool;
		202
		203	/* Coro::AnyEvent */
		204	static SV *sv_activity;
175		205
176	static struct coro_cctx *cctx_first;	206	static struct coro_cctx *cctx_first;
177	static int cctx_count, cctx_idle;	207	static int cctx_count, cctx_idle;
178		208
179	enum {	209	enum {
…		…
197	void idle_sp; / sp of top-level transfer/schedule/cede call */	227	void idle_sp; / sp of top-level transfer/schedule/cede call */
198	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	228	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
199	JMPENV *top_env;	229	JMPENV *top_env;
200	coro_context cctx;	230	coro_context cctx;
201		231
		232	U32 gen;
202	#if CORO_USE_VALGRIND	233	#if CORO_USE_VALGRIND
203	int valgrind_id;	234	int valgrind_id;
204	#endif	235	#endif
205	unsigned char flags;	236	unsigned char flags;
206	} coro_cctx;	237	} coro_cctx;
…		…
265	#define PRIO_IDLE -3	296	#define PRIO_IDLE -3
266	#define PRIO_MIN -4	297	#define PRIO_MIN -4
267		298
268	/* for Coro.pm */	299	/* for Coro.pm */
269	static SV *coro_current;	300	static SV *coro_current;
		301	static SV *coro_readyhook;
270	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	302	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
271	static int coro_nready;	303	static int coro_nready;
272	static struct coro *coro_first;	304	static struct coro *coro_first;
273		305
274	/ lowlevel stuff ********************************************************/	306	/ lowlevel stuff ********************************************************/
275		307
…		…
317	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	349	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
318	#endif	350	#endif
319	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	351	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
320	--AvFILLp (padlist);	352	--AvFILLp (padlist);
321		353
322	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	354	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
323	av_store (newpadlist, 1, (SV *)newpad);	355	av_store (newpadlist, 1, (SV *)newpad);
324		356
325	return newpadlist;	357	return newpadlist;
326	}	358	}
327		359
…		…
357		389
358	/* casting is fun. */	390	/* casting is fun. */
359	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	391	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
360	free_padlist (aTHX_ padlist);	392	free_padlist (aTHX_ padlist);
361		393
		394	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		395
362	return 0;	396	return 0;
363	}	397	}
364		398
365	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	399	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
366	#define CORO_MAGIC_type_state PERL_MAGIC_ext	400	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
368	static MGVTBL coro_cv_vtbl = {	402	static MGVTBL coro_cv_vtbl = {
369	0, 0, 0, 0,	403	0, 0, 0, 0,
370	coro_cv_free	404	coro_cv_free
371	};	405	};
372		406
373	#define CORO_MAGIC(sv,type) \	407	#define CORO_MAGIC(sv, type) \
374	SvMAGIC (sv) \	408	SvMAGIC (sv) \
375	? SvMAGIC (sv)->mg_type == type \	409	? SvMAGIC (sv)->mg_type == type \
376	? SvMAGIC (sv) \	410	? SvMAGIC (sv) \
377	: mg_find (sv, type) \	411	: mg_find (sv, type) \
378	: 0	412	: 0
379		413
380	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	414	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
381	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	415	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
382		416
383	static struct coro *	417	INLINE struct coro *
384	SvSTATE_ (pTHX_ SV *coro)	418	SvSTATE_ (pTHX_ SV *coro)
385	{	419	{
386	HV *stash;	420	HV *stash;
387	MAGIC *mg;	421	MAGIC *mg;
388		422
…		…
416	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	450	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
417	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	451	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
418	else	452	else
419	{	453	{
420	#if CORO_PREFER_PERL_FUNCTIONS	454	#if CORO_PREFER_PERL_FUNCTIONS
421	/* this is probably cleaner, but also slower? */	455	/* this is probably cleaner? but also slower! */
		456	/* in practise, it seems to be less stable */
422	CV *cp = Perl_cv_clone (cv);	457	CV *cp = Perl_cv_clone (cv);
423	CvPADLIST (cv) = CvPADLIST (cp);	458	CvPADLIST (cv) = CvPADLIST (cp);
424	CvPADLIST (cp) = 0;	459	CvPADLIST (cp) = 0;
425	SvREFCNT_dec (cp);	460	SvREFCNT_dec (cp);
426	#else	461	#else
…		…
510		545
511	if (expect_true (CvDEPTH (cv)))	546	if (expect_true (CvDEPTH (cv)))
512	{	547	{
513	EXTEND (SP, 3);	548	EXTEND (SP, 3);
514	PUSHs ((SV *)CvPADLIST (cv));	549	PUSHs ((SV *)CvPADLIST (cv));
515	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	550	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
516	PUSHs ((SV *)cv);	551	PUSHs ((SV *)cv);
517		552
518	CvDEPTH (cv) = 0;	553	CvDEPTH (cv) = 0;
519	get_padlist (aTHX_ cv);	554	get_padlist (aTHX_ cv);
520	}	555	}
…		…
612		647
613	/*	648	/*
614	* destroy the stacks, the callchain etc...	649	* destroy the stacks, the callchain etc...
615	*/	650	*/
616	static void	651	static void
617	coro_destroy_stacks (pTHX)	652	coro_destruct_stacks (pTHX)
618	{	653	{
619	while (PL_curstackinfo->si_next)	654	while (PL_curstackinfo->si_next)
620	PL_curstackinfo = PL_curstackinfo->si_next;	655	PL_curstackinfo = PL_curstackinfo->si_next;
621		656
622	while (PL_curstackinfo)	657	while (PL_curstackinfo)
…		…
659	#undef VAR	694	#undef VAR
660	}	695	}
661	else	696	else
662	slot = coro->slot;	697	slot = coro->slot;
663		698
		699	if (slot)
		700	{
664	rss += sizeof (slot->curstackinfo);	701	rss += sizeof (slot->curstackinfo);
665	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	702	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
666	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	703	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
667	rss += slot->tmps_max * sizeof (SV *);	704	rss += slot->tmps_max * sizeof (SV *);
668	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	705	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
669	rss += slot->scopestack_max * sizeof (I32);	706	rss += slot->scopestack_max * sizeof (I32);
670	rss += slot->savestack_max * sizeof (ANY);	707	rss += slot->savestack_max * sizeof (ANY);
671		708
672	#if !PERL_VERSION_ATLEAST (5,10,0)	709	#if !PERL_VERSION_ATLEAST (5,10,0)
673	rss += slot->retstack_max * sizeof (OP *);	710	rss += slot->retstack_max * sizeof (OP *);
674	#endif	711	#endif
		712	}
675	}	713	}
676		714
677	return rss;	715	return rss;
678	}	716	}
679		717
680	/ coroutine stack handling **********************************************/	718	/ coroutine stack handling **********************************************/
681		719
682	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	720	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
683	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	721	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		722	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		723
		724	/* apparently < 5.8.8 */
		725	#ifndef MgPV_nolen_const
		726	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		727	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		728	(const char*)(mg)->mg_ptr)
		729	#endif
		730
		731	/* we sometimes need to create the effect of entersub calling us */
		732	#define ENTERSUB_HEAD ENTER; SAVETMPS
		733	/* we somtimes need to create the effect of leaving via entersub */
		734	#define ENTERSUB_TAIL LEAVE
684		735
685	/*	736	/*
686	* This overrides the default magic get method of %SIG elements.	737	* This overrides the default magic get method of %SIG elements.
687	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	738	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
688	* and instead of tryign to save and restore the hash elements, we just provide	739	* and instead of tryign to save and restore the hash elements, we just provide
…		…
696	{	747	{
697	const char *s = MgPV_nolen_const (mg);	748	const char *s = MgPV_nolen_const (mg);
698		749
699	if (*s == '_')	750	if (*s == '_')
700	{	751	{
701	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	752	SV **svp = 0;
702	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	753
		754	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		755	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		756
		757	if (svp)
		758	{
		759	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		760	return 0;
		761	}
703	}	762	}
704		763
705	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	764	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		765	}
		766
		767	static int
		768	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		769	{
		770	const char *s = MgPV_nolen_const (mg);
		771
		772	if (*s == '_')
		773	{
		774	SV **svp = 0;
		775
		776	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		777	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		778
		779	if (svp)
		780	{
		781	SV old = svp;
		782	*svp = 0;
		783	SvREFCNT_dec (old);
		784	return 0;
		785	}
		786	}
		787
		788	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
706	}	789	}
707		790
708	static int	791	static int
709	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	792	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
710	{	793	{
…		…
757	GvSV (PL_defgv) = newSV (0);	840	GvSV (PL_defgv) = newSV (0);
758	GvAV (PL_defgv) = coro->args; coro->args = 0;	841	GvAV (PL_defgv) = coro->args; coro->args = 0;
759	GvSV (PL_errgv) = newSV (0);	842	GvSV (PL_errgv) = newSV (0);
760	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	843	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
761	PL_rs = newSVsv (GvSV (irsgv));	844	PL_rs = newSVsv (GvSV (irsgv));
762	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	845	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
763		846
764	{	847	{
765	dSP;	848	dSP;
766	LOGOP myop;	849	UNOP myop;
767		850
768	Zero (&myop, 1, LOGOP);	851	Zero (&myop, 1, UNOP);
769	myop.op_next = Nullop;	852	myop.op_next = Nullop;
770	myop.op_flags = OPf_WANT_VOID;	853	myop.op_flags = OPf_WANT_VOID;
771		854
772	PUSHMARK (SP);	855	PUSHMARK (SP);
773	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	856	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
…		…
777	SPAGAIN;	860	SPAGAIN;
778	}	861	}
779		862
780	/* this newly created coroutine might be run on an existing cctx which most	863	/* this newly created coroutine might be run on an existing cctx which most
781	* likely was suspended in set_stacklevel, called from entersub.	864	* likely was suspended in set_stacklevel, called from entersub.
782	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,	865	* set_stacklevel doesn't do anything on return, but entersub does LEAVE,
783	* so we ENTER here for symmetry	866	* so we ENTER here for symmetry.
784	*/	867	*/
785	ENTER;	868	ENTERSUB_HEAD;
786	}	869	}
787		870
788	static void	871	static void
789	coro_destroy (pTHX_ struct coro *coro)	872	coro_destruct (pTHX_ struct coro *coro)
790	{	873	{
791	if (!IN_DESTRUCT)	874	if (!IN_DESTRUCT)
792	{	875	{
793	/* restore all saved variables and stuff */	876	/* restore all saved variables and stuff */
794	LEAVE_SCOPE (0);	877	LEAVE_SCOPE (0);
…		…
816	SvREFCNT_dec (PL_warnhook);	899	SvREFCNT_dec (PL_warnhook);
817		900
818	SvREFCNT_dec (coro->saved_deffh);	901	SvREFCNT_dec (coro->saved_deffh);
819	SvREFCNT_dec (coro->throw);	902	SvREFCNT_dec (coro->throw);
820		903
821	coro_destroy_stacks (aTHX);	904	coro_destruct_stacks (aTHX);
822	}	905	}
823		906
824	static void	907	INLINE void
825	free_coro_mortal (pTHX)	908	free_coro_mortal (pTHX)
826	{	909	{
827	if (expect_true (coro_mortal))	910	if (expect_true (coro_mortal))
828	{	911	{
829	SvREFCNT_dec (coro_mortal);	912	SvREFCNT_dec (coro_mortal);
…		…
863	: cx->blk_gimme == G_SCALAR ? bot + 1	946	: cx->blk_gimme == G_SCALAR ? bot + 1
864	: bot;	947	: bot;
865		948
866	av_extend (av, top - bot);	949	av_extend (av, top - bot);
867	while (bot < top)	950	while (bot < top)
868	av_push (av, SvREFCNT_inc (*bot++));	951	av_push (av, SvREFCNT_inc_NN (*bot++));
869		952
870	PL_runops = RUNOPS_DEFAULT;	953	PL_runops = RUNOPS_DEFAULT;
871	ENTER;	954	ENTER;
872	SAVETMPS;	955	SAVETMPS;
873	EXTEND (SP, 3);	956	EXTEND (SP, 3);
…		…
953		1036
954	TAINT_NOT;	1037	TAINT_NOT;
955	return 0;	1038	return 0;
956	}	1039	}
957		1040
		1041	static void
		1042	prepare_set_stacklevel (struct transfer_args ta, struct coro_cctx cctx)
		1043	{
		1044	ta->prev = (struct coro *)cctx;
		1045	ta->next = 0;
		1046	}
		1047
958	/* inject a fake call to Coro::State::_cctx_init into the execution */	1048	/* inject a fake call to Coro::State::_cctx_init into the execution */
959	/* _cctx_init should be careful, as it could be called at almost any time */	1049	/* _cctx_init should be careful, as it could be called at almost any time */
960	/* during execution of a perl program */	1050	/* during execution of a perl program */
		1051	/* also initialises PL_top_env */
961	static void NOINLINE	1052	static void NOINLINE
962	cctx_prepare (pTHX_ coro_cctx *cctx)	1053	cctx_prepare (pTHX_ coro_cctx *cctx)
963	{	1054	{
964	dSP;	1055	dSP;
965	LOGOP myop;	1056	UNOP myop;
966		1057
967	PL_top_env = &PL_start_env;	1058	PL_top_env = &PL_start_env;
968		1059
969	if (cctx->flags & CC_TRACE)	1060	if (cctx->flags & CC_TRACE)
970	PL_runops = runops_trace;	1061	PL_runops = runops_trace;
971		1062
972	Zero (&myop, 1, LOGOP);	1063	Zero (&myop, 1, UNOP);
973	myop.op_next = PL_op;	1064	myop.op_next = PL_op;
974	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	1065	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
975		1066
976	PUSHMARK (SP);	1067	PUSHMARK (SP);
977	EXTEND (SP, 2);	1068	EXTEND (SP, 2);
978	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));	1069	PUSHs (sv_2mortal (newSViv ((IV)cctx)));
979	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));	1070	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
980	PUTBACK;	1071	PUTBACK;
981	PL_op = (OP *)&myop;	1072	PL_op = (OP *)&myop;
982	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1073	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
983	SPAGAIN;	1074	SPAGAIN;
984	}	1075	}
985		1076
		1077	/* the tail of transfer: execute stuff we can only do after a transfer */
		1078	INLINE void
		1079	transfer_tail (pTHX)
		1080	{
		1081	struct coro next = (struct coro )transfer_next;
		1082	assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */
		1083	assert (("FATAL: transfer_next was zero in transfer_tail (please report)", next));
		1084
		1085	free_coro_mortal (aTHX);
		1086	UNLOCK;
		1087
		1088	if (expect_false (next->throw))
		1089	{
		1090	SV *exception = sv_2mortal (next->throw);
		1091
		1092	next->throw = 0;
		1093	sv_setsv (ERRSV, exception);
		1094	croak (0);
		1095	}
		1096	}
		1097
986	/*	1098	/*
987	* this is a _very_ stripped down perl interpreter ;)	1099	* this is a _very_ stripped down perl interpreter ;)
988	*/	1100	*/
989	static void	1101	static void
990	cctx_run (void *arg)	1102	cctx_run (void *arg)
991	{	1103	{
		1104	#ifdef USE_ITHREADS
		1105	# if CORO_PTHREAD
		1106	PERL_SET_CONTEXT (coro_thx);
		1107	# endif
		1108	#endif
		1109	{
992	dTHX;	1110	dTHX;
993		1111
994	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1112	/* entersub called ENTER, but we never 'returned', undo that here */
995	UNLOCK;	1113	ENTERSUB_TAIL;
996		1114
997	/* we now skip the entersub that lead to transfer() */	1115	/* we now skip the entersub that did lead to transfer() */
998	PL_op = PL_op->op_next;	1116	PL_op = PL_op->op_next;
999		1117
1000	/* inject a fake subroutine call to cctx_init */	1118	/* inject a fake subroutine call to cctx_init */
1001	cctx_prepare (aTHX_ (coro_cctx *)arg);	1119	cctx_prepare (aTHX_ (coro_cctx *)arg);
1002		1120
		1121	/* cctx_run is the alternative tail of transfer() */
		1122	transfer_tail (aTHX);
		1123
1003	/* somebody or something will hit me for both perl_run and PL_restartop */	1124	/* somebody or something will hit me for both perl_run and PL_restartop */
1004	PL_restartop = PL_op;	1125	PL_restartop = PL_op;
1005	perl_run (PL_curinterp);	1126	perl_run (PL_curinterp);
1006		1127
1007	/*	1128	/*
1008	* If perl-run returns we assume exit() was being called or the coro	1129	* If perl-run returns we assume exit() was being called or the coro
1009	* fell off the end, which seems to be the only valid (non-bug)	1130	* fell off the end, which seems to be the only valid (non-bug)
1010	* reason for perl_run to return. We try to exit by jumping to the	1131	* reason for perl_run to return. We try to exit by jumping to the
1011	* bootstrap-time "top" top_env, as we cannot restore the "main"	1132	* bootstrap-time "top" top_env, as we cannot restore the "main"
1012	* coroutine as Coro has no such concept	1133	* coroutine as Coro has no such concept
1013	*/	1134	*/
1014	PL_top_env = main_top_env;	1135	PL_top_env = main_top_env;
1015	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1136	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1137	}
1016	}	1138	}
1017		1139
1018	static coro_cctx *	1140	static coro_cctx *
1019	cctx_new ()	1141	cctx_new ()
1020	{	1142	{
1021	coro_cctx *cctx;	1143	coro_cctx *cctx;
		1144
		1145	++cctx_count;
		1146	New (0, cctx, 1, coro_cctx);
		1147
		1148	cctx->gen = cctx_gen;
		1149	cctx->flags = 0;
		1150	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
		1151
		1152	return cctx;
		1153	}
		1154
		1155	/* create a new cctx only suitable as source */
		1156	static coro_cctx *
		1157	cctx_new_empty ()
		1158	{
		1159	coro_cctx *cctx = cctx_new ();
		1160
		1161	cctx->sptr = 0;
		1162	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1163
		1164	return cctx;
		1165	}
		1166
		1167	/* create a new cctx suitable as destination/running a perl interpreter */
		1168	static coro_cctx *
		1169	cctx_new_run ()
		1170	{
		1171	coro_cctx *cctx = cctx_new ();
1022	void *stack_start;	1172	void *stack_start;
1023	size_t stack_size;	1173	size_t stack_size;
1024		1174
1025	++cctx_count;
1026
1027	Newz (0, cctx, 1, coro_cctx);
1028
1029	#if HAVE_MMAP	1175	#if HAVE_MMAP
1030	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1176	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1031	/* mmap supposedly does allocate-on-write for us */	1177	/* mmap supposedly does allocate-on-write for us */
1032	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1178	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1033		1179
1034	if (cctx->sptr != (void *)-1)	1180	if (cctx->sptr != (void *)-1)
1035	{	1181	{
1036	# if CORO_STACKGUARD	1182	#if CORO_STACKGUARD
1037	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);	1183	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1038	# endif	1184	#endif
1039	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;	1185	stack_start = (char )cctx->sptr + CORO_STACKGUARD PAGESIZE;
1040	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;	1186	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1041	cctx->flags \|= CC_MAPPED;	1187	cctx->flags \|= CC_MAPPED;
1042	}	1188	}
1043	else	1189	else
1044	#endif	1190	#endif
1045	{	1191	{
1046	cctx->ssize = coro_stacksize * (long)sizeof (long);	1192	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1047	New (0, cctx->sptr, coro_stacksize, long);	1193	New (0, cctx->sptr, cctx_stacksize, long);
1048		1194
1049	if (!cctx->sptr)	1195	if (!cctx->sptr)
1050	{	1196	{
1051	perror ("FATAL: unable to allocate stack for coroutine");	1197	perror ("FATAL: unable to allocate stack for coroutine");
1052	_exit (EXIT_FAILURE);	1198	_exit (EXIT_FAILURE);
…		…
1054		1200
1055	stack_start = cctx->sptr;	1201	stack_start = cctx->sptr;
1056	stack_size = cctx->ssize;	1202	stack_size = cctx->ssize;
1057	}	1203	}
1058		1204
1059	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1205	#if CORO_USE_VALGRIND
		1206	cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char )stack_start, (char )stack_start + stack_size);
		1207	#endif
		1208
1060	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);	1209	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
1061		1210
1062	return cctx;	1211	return cctx;
1063	}	1212	}
1064		1213
…		…
1067	{	1216	{
1068	if (!cctx)	1217	if (!cctx)
1069	return;	1218	return;
1070		1219
1071	--cctx_count;	1220	--cctx_count;
		1221	coro_destroy (&cctx->cctx);
1072		1222
		1223	/* coro_transfer creates new, empty cctx's */
		1224	if (cctx->sptr)
		1225	{
1073	#if CORO_USE_VALGRIND	1226	#if CORO_USE_VALGRIND
1074	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1227	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1075	#endif	1228	#endif
1076		1229
1077	#if HAVE_MMAP	1230	#if HAVE_MMAP
1078	if (cctx->flags & CC_MAPPED)	1231	if (cctx->flags & CC_MAPPED)
1079	munmap (cctx->sptr, cctx->ssize);	1232	munmap (cctx->sptr, cctx->ssize);
1080	else	1233	else
1081	#endif	1234	#endif
1082	Safefree (cctx->sptr);	1235	Safefree (cctx->sptr);
		1236	}
1083		1237
1084	Safefree (cctx);	1238	Safefree (cctx);
1085	}	1239	}
1086		1240
1087	/* wether this cctx should be destructed */	1241	/* wether this cctx should be destructed */
1088	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1242	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1089		1243
1090	static coro_cctx *	1244	static coro_cctx *
1091	cctx_get (pTHX)	1245	cctx_get (pTHX)
1092	{	1246	{
1093	while (expect_true (cctx_first))	1247	while (expect_true (cctx_first))
…		…
1100	return cctx;	1254	return cctx;
1101		1255
1102	cctx_destroy (cctx);	1256	cctx_destroy (cctx);
1103	}	1257	}
1104		1258
1105	return cctx_new ();	1259	return cctx_new_run ();
1106	}	1260	}
1107		1261
1108	static void	1262	static void
1109	cctx_put (coro_cctx *cctx)	1263	cctx_put (coro_cctx *cctx)
1110	{	1264	{
		1265	assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));
		1266
1111	/* free another cctx if overlimit */	1267	/* free another cctx if overlimit */
1112	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1268	if (expect_false (cctx_idle >= cctx_max_idle))
1113	{	1269	{
1114	coro_cctx *first = cctx_first;	1270	coro_cctx *first = cctx_first;
1115	cctx_first = first->next;	1271	cctx_first = first->next;
1116	--cctx_idle;	1272	--cctx_idle;
1117		1273
…		…
1149	/* always use the TRANSFER macro */	1305	/* always use the TRANSFER macro */
1150	static void NOINLINE	1306	static void NOINLINE
1151	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1307	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1152	{	1308	{
1153	dSTACKLEVEL;	1309	dSTACKLEVEL;
1154	static volatile int has_throw;
1155		1310
1156	/* sometimes transfer is only called to set idle_sp */	1311	/* sometimes transfer is only called to set idle_sp */
1157	if (expect_false (!next))	1312	if (expect_false (!next))
1158	{	1313	{
1159	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1314	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1163	{	1318	{
1164	coro_cctx *prev__cctx;	1319	coro_cctx *prev__cctx;
1165		1320
1166	if (expect_false (prev->flags & CF_NEW))	1321	if (expect_false (prev->flags & CF_NEW))
1167	{	1322	{
1168	/* create a new empty context */	1323	/* create a new empty/source context */
1169	Newz (0, prev->cctx, 1, coro_cctx);	1324	prev->cctx = cctx_new_empty ();
1170	prev->flags &= ~CF_NEW;	1325	prev->flags &= ~CF_NEW;
1171	prev->flags \|= CF_RUNNING;	1326	prev->flags \|= CF_RUNNING;
1172	}	1327	}
1173		1328
1174	prev->flags &= ~CF_RUNNING;	1329	prev->flags &= ~CF_RUNNING;
…		…
1189	else	1344	else
1190	load_perl (aTHX_ next);	1345	load_perl (aTHX_ next);
1191		1346
1192	prev__cctx = prev->cctx;	1347	prev__cctx = prev->cctx;
1193		1348
1194	/* possibly "free" the cctx */	1349	/* possibly untie and reuse the cctx */
1195	if (expect_true (	1350	if (expect_true (
1196	prev__cctx->idle_sp == STACKLEVEL	1351	prev__cctx->idle_sp == STACKLEVEL
1197	&& !(prev__cctx->flags & CC_TRACE)	1352	&& !(prev__cctx->flags & CC_TRACE)
1198	&& !force_cctx	1353	&& !force_cctx
1199	))	1354	))
1200	{	1355	{
1201	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1356	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1202	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1357	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));
1203		1358
1204	prev->cctx = 0;	1359	prev->cctx = 0;
1205		1360
1206	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1361	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1207	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1362	/* without this the next cctx_get might destroy the prev__cctx while still in use */
…		…
1215	++next->usecount;	1370	++next->usecount;
1216		1371
1217	if (expect_true (!next->cctx))	1372	if (expect_true (!next->cctx))
1218	next->cctx = cctx_get (aTHX);	1373	next->cctx = cctx_get (aTHX);
1219		1374
1220	has_throw = !!next->throw;	1375	assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next));
		1376	transfer_next = next;
1221		1377
1222	if (expect_false (prev__cctx != next->cctx))	1378	if (expect_false (prev__cctx != next->cctx))
1223	{	1379	{
1224	prev__cctx->top_env = PL_top_env;	1380	prev__cctx->top_env = PL_top_env;
1225	PL_top_env = next->cctx->top_env;	1381	PL_top_env = next->cctx->top_env;
1226	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1382	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1227	}	1383	}
1228		1384
1229	free_coro_mortal (aTHX);	1385	transfer_tail (aTHX);
1230	UNLOCK;
1231
1232	if (expect_false (has_throw))
1233	{
1234	struct coro *coro = SvSTATE (coro_current);
1235
1236	if (coro->throw)
1237	{
1238	SV *exception = coro->throw;
1239	coro->throw = 0;
1240	sv_setsv (ERRSV, exception);
1241	croak (0);
1242	}
1243	}
1244	}	1386	}
1245	}	1387	}
1246
1247	struct transfer_args
1248	{
1249	struct coro prev, next;
1250	};
1251		1388
1252	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))	1389	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1253	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1390	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1254		1391
1255	/ high level stuff ******************************************************/	1392	/ high level stuff ******************************************************/
…		…
1281	croak ("FATAL: tried to destroy currently running coroutine");	1418	croak ("FATAL: tried to destroy currently running coroutine");
1282		1419
1283	save_perl (aTHX_ &temp);	1420	save_perl (aTHX_ &temp);
1284	load_perl (aTHX_ coro);	1421	load_perl (aTHX_ coro);
1285		1422
1286	coro_destroy (aTHX_ coro);	1423	coro_destruct (aTHX_ coro);
1287		1424
1288	load_perl (aTHX_ &temp);	1425	load_perl (aTHX_ &temp);
1289		1426
1290	coro->slot = 0;	1427	coro->slot = 0;
1291	}	1428	}
…		…
1379	static int	1516	static int
1380	api_ready (SV *coro_sv)	1517	api_ready (SV *coro_sv)
1381	{	1518	{
1382	dTHX;	1519	dTHX;
1383	struct coro *coro;	1520	struct coro *coro;
		1521	SV *sv_hook;
		1522	void (*xs_hook)(void);
1384		1523
1385	if (SvROK (coro_sv))	1524	if (SvROK (coro_sv))
1386	coro_sv = SvRV (coro_sv);	1525	coro_sv = SvRV (coro_sv);
1387		1526
1388	coro = SvSTATE (coro_sv);	1527	coro = SvSTATE (coro_sv);
…		…
1391	return 0;	1530	return 0;
1392		1531
1393	coro->flags \|= CF_READY;	1532	coro->flags \|= CF_READY;
1394		1533
1395	LOCK;	1534	LOCK;
		1535
		1536	sv_hook = coro_nready ? 0 : coro_readyhook;
		1537	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1538
1396	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1539	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1397	++coro_nready;	1540	++coro_nready;
		1541
1398	UNLOCK;	1542	UNLOCK;
		1543
		1544	if (sv_hook)
		1545	{
		1546	dSP;
		1547
		1548	ENTER;
		1549	SAVETMPS;
		1550
		1551	PUSHMARK (SP);
		1552	PUTBACK;
		1553	call_sv (sv_hook, G_DISCARD);
		1554	SPAGAIN;
		1555
		1556	FREETMPS;
		1557	LEAVE;
		1558	}
		1559
		1560	if (xs_hook)
		1561	xs_hook ();
1399		1562
1400	return 1;	1563	return 1;
1401	}	1564	}
1402		1565
1403	static int	1566	static int
1404	api_is_ready (SV *coro_sv)	1567	api_is_ready (SV *coro_sv)
1405	{	1568	{
1406	dTHX;	1569	dTHX;
		1570
1407	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1571	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1408	}	1572	}
1409		1573
1410	static void	1574	INLINE void
1411	prepare_schedule (pTHX_ struct transfer_args *ta)	1575	prepare_schedule (pTHX_ struct transfer_args *ta)
1412	{	1576	{
1413	SV prev_sv, next_sv;	1577	SV prev_sv, next_sv;
1414		1578
1415	for (;;)	1579	for (;;)
…		…
1441	/* cannot transfer to destroyed coros, skip and look for next */	1605	/* cannot transfer to destroyed coros, skip and look for next */
1442	if (expect_false (ta->next->flags & CF_DESTROYED))	1606	if (expect_false (ta->next->flags & CF_DESTROYED))
1443	{	1607	{
1444	UNLOCK;	1608	UNLOCK;
1445	SvREFCNT_dec (next_sv);	1609	SvREFCNT_dec (next_sv);
1446	/* coro_nready is already taken care of by destroy */	1610	/* coro_nready has already been taken care of by destroy */
1447	continue;	1611	continue;
1448	}	1612	}
1449		1613
1450	--coro_nready;	1614	--coro_nready;
1451	UNLOCK;	1615	UNLOCK;
…		…
1454		1618
1455	/* free this only after the transfer */	1619	/* free this only after the transfer */
1456	prev_sv = SvRV (coro_current);	1620	prev_sv = SvRV (coro_current);
1457	ta->prev = SvSTATE (prev_sv);	1621	ta->prev = SvSTATE (prev_sv);
1458	TRANSFER_CHECK (*ta);	1622	TRANSFER_CHECK (*ta);
1459	assert (ta->next->flags & CF_READY);	1623	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));
1460	ta->next->flags &= ~CF_READY;	1624	ta->next->flags &= ~CF_READY;
1461	SvRV_set (coro_current, next_sv);	1625	SvRV_set (coro_current, next_sv);
1462		1626
1463	LOCK;	1627	LOCK;
1464	free_coro_mortal (aTHX);	1628	free_coro_mortal (aTHX);
1465	coro_mortal = prev_sv;	1629	coro_mortal = prev_sv;
1466	UNLOCK;	1630	UNLOCK;
1467	}	1631	}
1468		1632
1469	static void	1633	INLINE void
1470	prepare_cede (pTHX_ struct transfer_args *ta)	1634	prepare_cede (pTHX_ struct transfer_args *ta)
1471	{	1635	{
1472	api_ready (coro_current);	1636	api_ready (coro_current);
1473	prepare_schedule (aTHX_ ta);	1637	prepare_schedule (aTHX_ ta);
1474	}	1638	}
…		…
1536	struct coro *coro = SvSTATE (coro_sv);	1700	struct coro *coro = SvSTATE (coro_sv);
1537		1701
1538	if (flags & CC_TRACE)	1702	if (flags & CC_TRACE)
1539	{	1703	{
1540	if (!coro->cctx)	1704	if (!coro->cctx)
1541	coro->cctx = cctx_new ();	1705	coro->cctx = cctx_new_run ();
1542	else if (!(coro->cctx->flags & CC_TRACE))	1706	else if (!(coro->cctx->flags & CC_TRACE))
1543	croak ("cannot enable tracing on coroutine with custom stack");	1707	croak ("cannot enable tracing on coroutine with custom stack");
1544		1708
1545	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1709	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1546	}	1710	}
…		…
1553	else	1717	else
1554	coro->slot->runops = RUNOPS_DEFAULT;	1718	coro->slot->runops = RUNOPS_DEFAULT;
1555	}	1719	}
1556	}	1720	}
1557		1721
		1722	#if 0
		1723	static int
		1724	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1725	{
		1726	AV *padlist;
		1727	AV av = (AV )mg->mg_obj;
		1728
		1729	abort ();
		1730
		1731	return 0;
		1732	}
		1733
		1734	static MGVTBL coro_gensub_vtbl = {
		1735	0, 0, 0, 0,
		1736	coro_gensub_free
		1737	};
		1738	#endif
		1739
		1740	/*****************************************************************************/
		1741	/* PerlIO::cede */
		1742
		1743	typedef struct
		1744	{
		1745	PerlIOBuf base;
		1746	NV next, every;
		1747	} PerlIOCede;
		1748
		1749	static IV
		1750	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1751	{
		1752	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1753
		1754	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1755	self->next = nvtime () + self->every;
		1756
		1757	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1758	}
		1759
		1760	static SV *
		1761	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1762	{
		1763	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1764
		1765	return newSVnv (self->every);
		1766	}
		1767
		1768	static IV
		1769	PerlIOCede_flush (pTHX_ PerlIO *f)
		1770	{
		1771	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1772	double now = nvtime ();
		1773
		1774	if (now >= self->next)
		1775	{
		1776	api_cede ();
		1777	self->next = now + self->every;
		1778	}
		1779
		1780	return PerlIOBuf_flush (aTHX_ f);
		1781	}
		1782
		1783	static PerlIO_funcs PerlIO_cede =
		1784	{
		1785	sizeof(PerlIO_funcs),
		1786	"cede",
		1787	sizeof(PerlIOCede),
		1788	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1789	PerlIOCede_pushed,
		1790	PerlIOBuf_popped,
		1791	PerlIOBuf_open,
		1792	PerlIOBase_binmode,
		1793	PerlIOCede_getarg,
		1794	PerlIOBase_fileno,
		1795	PerlIOBuf_dup,
		1796	PerlIOBuf_read,
		1797	PerlIOBuf_unread,
		1798	PerlIOBuf_write,
		1799	PerlIOBuf_seek,
		1800	PerlIOBuf_tell,
		1801	PerlIOBuf_close,
		1802	PerlIOCede_flush,
		1803	PerlIOBuf_fill,
		1804	PerlIOBase_eof,
		1805	PerlIOBase_error,
		1806	PerlIOBase_clearerr,
		1807	PerlIOBase_setlinebuf,
		1808	PerlIOBuf_get_base,
		1809	PerlIOBuf_bufsiz,
		1810	PerlIOBuf_get_ptr,
		1811	PerlIOBuf_get_cnt,
		1812	PerlIOBuf_set_ptrcnt,
		1813	};
		1814
		1815
1558	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1816	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1559		1817
1560	PROTOTYPES: DISABLE	1818	PROTOTYPES: DISABLE
1561		1819
1562	BOOT:	1820	BOOT:
1563	{	1821	{
1564	#ifdef USE_ITHREADS	1822	#ifdef USE_ITHREADS
1565	MUTEX_INIT (&coro_mutex);	1823	MUTEX_INIT (&coro_lock);
		1824	# if CORO_PTHREAD
		1825	coro_thx = PERL_GET_CONTEXT;
		1826	# endif
1566	#endif	1827	#endif
1567	BOOT_PAGESIZE;	1828	BOOT_PAGESIZE;
1568		1829
1569	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1830	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1570	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1831	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1571		1832
1572	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1833	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1573	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1834	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1574	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1835	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1575	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1576		1836
1577	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1837	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1578	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1838	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1579	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1839	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1580		1840
…		…
1589	main_top_env = PL_top_env;	1849	main_top_env = PL_top_env;
1590		1850
1591	while (main_top_env->je_prev)	1851	while (main_top_env->je_prev)
1592	main_top_env = main_top_env->je_prev;	1852	main_top_env = main_top_env->je_prev;
1593		1853
1594	coroapi.ver = CORO_API_VERSION;	1854	coroapi.ver = CORO_API_VERSION;
1595	coroapi.rev = CORO_API_REVISION;	1855	coroapi.rev = CORO_API_REVISION;
1596	coroapi.transfer = api_transfer;	1856	coroapi.transfer = api_transfer;
		1857
		1858	{
		1859	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1860
		1861	if (!svp) croak ("Time::HiRes is required");
		1862	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1863
		1864	nvtime = INT2PTR (double ()(), SvIV (svp));
		1865	}
1597		1866
1598	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1867	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1599	}	1868	}
1600		1869
1601	SV *	1870	SV *
…		…
1643		1912
1644	PUTBACK;	1913	PUTBACK;
1645	switch (ix)	1914	switch (ix)
1646	{	1915	{
1647	case 0:	1916	case 0:
1648	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1917	prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1649	ta.next = 0;
1650	break;	1918	break;
1651		1919
1652	case 1:	1920	case 1:
1653	if (items != 2)	1921	if (items != 2)
1654	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1922	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1655		1923
1656	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1924	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1657	break;	1925	break;
1658		1926
1659	case 2:	1927	case 2:
…		…
1685	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1953	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1686	OUTPUT:	1954	OUTPUT:
1687	RETVAL	1955	RETVAL
1688		1956
1689	void	1957	void
1690	_exit (code)	1958	_exit (int code)
1691	int code
1692	PROTOTYPE: $	1959	PROTOTYPE: $
1693	CODE:	1960	CODE:
1694	_exit (code);	1961	_exit (code);
1695		1962
1696	int	1963	int
1697	cctx_stacksize (int new_stacksize = 0)	1964	cctx_stacksize (int new_stacksize = 0)
1698	CODE:	1965	CODE:
1699	RETVAL = coro_stacksize;	1966	RETVAL = cctx_stacksize;
1700	if (new_stacksize)	1967	if (new_stacksize)
		1968	{
1701	coro_stacksize = new_stacksize;	1969	cctx_stacksize = new_stacksize;
		1970	++cctx_gen;
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int
		1976	cctx_max_idle (int max_idle = 0)
		1977	CODE:
		1978	RETVAL = cctx_max_idle;
		1979	if (max_idle > 1)
		1980	cctx_max_idle = max_idle;
1702	OUTPUT:	1981	OUTPUT:
1703	RETVAL	1982	RETVAL
1704		1983
1705	int	1984	int
1706	cctx_count ()	1985	cctx_count ()
…		…
1730	call (Coro::State coro, SV *coderef)	2009	call (Coro::State coro, SV *coderef)
1731	ALIAS:	2010	ALIAS:
1732	eval = 1	2011	eval = 1
1733	CODE:	2012	CODE:
1734	{	2013	{
1735	if (coro->mainstack)	2014	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1736	{	2015	{
1737	struct coro temp;	2016	struct coro temp;
1738		2017
1739	if (!(coro->flags & CF_RUNNING))	2018	if (!(coro->flags & CF_RUNNING))
1740	{	2019	{
…		…
1784	RETVAL = boolSV (coro->flags & ix);	2063	RETVAL = boolSV (coro->flags & ix);
1785	OUTPUT:	2064	OUTPUT:
1786	RETVAL	2065	RETVAL
1787		2066
1788	void	2067	void
		2068	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2069	PROTOTYPE: $;$
		2070	CODE:
		2071	SvREFCNT_dec (self->throw);
		2072	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2073
		2074	void
1789	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2075	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1790		2076
1791	SV *	2077	SV *
1792	has_stack (Coro::State coro)	2078	has_cctx (Coro::State coro)
1793	PROTOTYPE: $	2079	PROTOTYPE: $
1794	CODE:	2080	CODE:
1795	RETVAL = boolSV (!!coro->cctx);	2081	RETVAL = boolSV (!!coro->cctx);
1796	OUTPUT:	2082	OUTPUT:
1797	RETVAL	2083	RETVAL
…		…
1802	CODE:	2088	CODE:
1803	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2089	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1804	OUTPUT:	2090	OUTPUT:
1805	RETVAL	2091	RETVAL
1806		2092
1807	IV	2093	UV
1808	rss (Coro::State coro)	2094	rss (Coro::State coro)
1809	PROTOTYPE: $	2095	PROTOTYPE: $
1810	ALIAS:	2096	ALIAS:
1811	usecount = 1	2097	usecount = 1
1812	CODE:	2098	CODE:
…		…
1822	force_cctx ()	2108	force_cctx ()
1823	CODE:	2109	CODE:
1824	struct coro *coro = SvSTATE (coro_current);	2110	struct coro *coro = SvSTATE (coro_current);
1825	coro->cctx->idle_sp = 0;	2111	coro->cctx->idle_sp = 0;
1826		2112
1827	MODULE = Coro::State PACKAGE = Coro
1828
1829	BOOT:
1830	{
1831	int i;
1832
1833	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1834	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1835	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1836
1837	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1838	SvREADONLY_on (coro_current);
1839
1840	coro_stash = gv_stashpv ("Coro", TRUE);
1841
1842	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1843	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1844	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1845	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1846	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1847	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1848
1849	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1850	coro_ready[i] = newAV ();
1851
1852	{
1853	SV *sv = perl_get_sv ("Coro::API", TRUE);
1854	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1855
1856	coroapi.schedule = api_schedule;
1857	coroapi.cede = api_cede;
1858	coroapi.cede_notself = api_cede_notself;
1859	coroapi.ready = api_ready;
1860	coroapi.is_ready = api_is_ready;
1861	coroapi.nready = &coro_nready;
1862	coroapi.current = coro_current;
1863
1864	GCoroAPI = &coroapi;
1865	sv_setiv (sv, (IV)&coroapi);
1866	SvREADONLY_on (sv);
1867	}
1868	}
1869
1870	void
1871	_set_current (SV *current)
1872	PROTOTYPE: $
1873	CODE:
1874	SvREFCNT_dec (SvRV (coro_current));
1875	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1876
1877	int
1878	prio (Coro::State coro, int newprio = 0)
1879	ALIAS:
1880	nice = 1
1881	CODE:
1882	{
1883	RETVAL = coro->prio;
1884
1885	if (items > 1)
1886	{
1887	if (ix)
1888	newprio = coro->prio - newprio;
1889
1890	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1891	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1892
1893	coro->prio = newprio;
1894	}
1895	}
1896	OUTPUT:
1897	RETVAL
1898
1899	SV *
1900	ready (SV *self)
1901	PROTOTYPE: $
1902	CODE:
1903	RETVAL = boolSV (api_ready (self));
1904	OUTPUT:
1905	RETVAL
1906
1907	int
1908	nready (...)
1909	PROTOTYPE:
1910	CODE:
1911	RETVAL = coro_nready;
1912	OUTPUT:
1913	RETVAL
1914
1915	void
1916	throw (Coro::State self, SV *throw = &PL_sv_undef)
1917	PROTOTYPE: $;$
1918	CODE:
1919	SvREFCNT_dec (self->throw);
1920	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1921
1922	void	2113	void
1923	swap_defsv (Coro::State self)	2114	swap_defsv (Coro::State self)
1924	PROTOTYPE: $	2115	PROTOTYPE: $
1925	ALIAS:	2116	ALIAS:
1926	swap_defav = 1	2117	swap_defav = 1
…		…
1933	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2124	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1934		2125
1935	SV tmp = src; src = dst; *dst = tmp;	2126	SV tmp = src; src = dst; *dst = tmp;
1936	}	2127	}
1937		2128
		2129	MODULE = Coro::State PACKAGE = Coro
		2130
		2131	BOOT:
		2132	{
		2133	int i;
		2134
		2135	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2136	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2137	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2138
		2139	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2140	SvREADONLY_on (coro_current);
		2141
		2142	coro_stash = gv_stashpv ("Coro", TRUE);
		2143
		2144	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2145	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2146	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2147	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2148	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2149	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2150
		2151	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2152	coro_ready[i] = newAV ();
		2153
		2154	{
		2155	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
		2156
		2157	coroapi.schedule = api_schedule;
		2158	coroapi.cede = api_cede;
		2159	coroapi.cede_notself = api_cede_notself;
		2160	coroapi.ready = api_ready;
		2161	coroapi.is_ready = api_is_ready;
		2162	coroapi.nready = &coro_nready;
		2163	coroapi.current = coro_current;
		2164
		2165	GCoroAPI = &coroapi;
		2166	sv_setiv (sv, (IV)&coroapi);
		2167	SvREADONLY_on (sv);
		2168	}
		2169	}
		2170
		2171	void
		2172	_set_current (SV *current)
		2173	PROTOTYPE: $
		2174	CODE:
		2175	SvREFCNT_dec (SvRV (coro_current));
		2176	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2177
		2178	void
		2179	_set_readyhook (SV *hook)
		2180	PROTOTYPE: $
		2181	CODE:
		2182	LOCK;
		2183	SvREFCNT_dec (coro_readyhook);
		2184	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2185	UNLOCK;
		2186
		2187	int
		2188	prio (Coro::State coro, int newprio = 0)
		2189	ALIAS:
		2190	nice = 1
		2191	CODE:
		2192	{
		2193	RETVAL = coro->prio;
		2194
		2195	if (items > 1)
		2196	{
		2197	if (ix)
		2198	newprio = coro->prio - newprio;
		2199
		2200	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2201	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2202
		2203	coro->prio = newprio;
		2204	}
		2205	}
		2206	OUTPUT:
		2207	RETVAL
		2208
		2209	SV *
		2210	ready (SV *self)
		2211	PROTOTYPE: $
		2212	CODE:
		2213	RETVAL = boolSV (api_ready (self));
		2214	OUTPUT:
		2215	RETVAL
		2216
		2217	int
		2218	nready (...)
		2219	PROTOTYPE:
		2220	CODE:
		2221	RETVAL = coro_nready;
		2222	OUTPUT:
		2223	RETVAL
		2224
1938	# for async_pool speedup	2225	# for async_pool speedup
1939	void	2226	void
1940	_pool_1 (SV *cb)	2227	_pool_1 (SV *cb)
1941	CODE:	2228	CODE:
1942	{	2229	{
…		…
1947	AV *invoke_av;	2234	AV *invoke_av;
1948	int i, len;	2235	int i, len;
1949		2236
1950	if (!invoke)	2237	if (!invoke)
1951	{	2238	{
1952	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2239	SV *old = PL_diehook;
		2240	PL_diehook = 0;
		2241	SvREFCNT_dec (old);
1953	croak ("\3async_pool terminate\2\n");	2242	croak ("\3async_pool terminate\2\n");
1954	}	2243	}
1955		2244
1956	SvREFCNT_dec (coro->saved_deffh);	2245	SvREFCNT_dec (coro->saved_deffh);
1957	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2246	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1958		2247
1959	hv_store (hv, "desc", sizeof ("desc") - 1,	2248	hv_store (hv, "desc", sizeof ("desc") - 1,
1960	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2249	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1961		2250
1962	invoke_av = (AV *)SvRV (invoke);	2251	invoke_av = (AV *)SvRV (invoke);
…		…
1966		2255
1967	if (len > 0)	2256	if (len > 0)
1968	{	2257	{
1969	av_fill (defav, len - 1);	2258	av_fill (defav, len - 1);
1970	for (i = 0; i < len; ++i)	2259	for (i = 0; i < len; ++i)
1971	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2260	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1972	}	2261	}
1973		2262
1974	SvREFCNT_dec (invoke);	2263	SvREFCNT_dec (invoke);
1975	}	2264	}
1976		2265
…		…
1983	sv_setsv (cb, &PL_sv_undef);	2272	sv_setsv (cb, &PL_sv_undef);
1984		2273
1985	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2274	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1986	coro->saved_deffh = 0;	2275	coro->saved_deffh = 0;
1987		2276
1988	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2277	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1989	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2278	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1990	{	2279	{
1991	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2280	SV *old = PL_diehook;
		2281	PL_diehook = 0;
		2282	SvREFCNT_dec (old);
1992	croak ("\3async_pool terminate\2\n");	2283	croak ("\3async_pool terminate\2\n");
1993	}	2284	}
1994		2285
1995	av_clear (GvAV (PL_defgv));	2286	av_clear (GvAV (PL_defgv));
1996	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2287	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
2002	api_trace (coro_current, 0);	2293	api_trace (coro_current, 0);
2003		2294
2004	av_push (av_async_pool, newSVsv (coro_current));	2295	av_push (av_async_pool, newSVsv (coro_current));
2005	}	2296	}
2006		2297
		2298	#if 0
		2299
		2300	void
		2301	_generator_call (...)
		2302	PROTOTYPE: @
		2303	PPCODE:
		2304	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2305	xxxx
		2306	abort ();
		2307
		2308	SV *
		2309	gensub (SV *sub, ...)
		2310	PROTOTYPE: &;@
		2311	CODE:
		2312	{
		2313	struct coro *coro;
		2314	MAGIC *mg;
		2315	CV *xcv;
		2316	CV ncv = (CV )newSV_type (SVt_PVCV);
		2317	int i;
		2318
		2319	CvGV (ncv) = CvGV (cv);
		2320	CvFILE (ncv) = CvFILE (cv);
		2321
		2322	Newz (0, coro, 1, struct coro);
		2323	coro->args = newAV ();
		2324	coro->flags = CF_NEW;
		2325
		2326	av_extend (coro->args, items - 1);
		2327	for (i = 1; i < items; i++)
		2328	av_push (coro->args, newSVsv (ST (i)));
		2329
		2330	CvISXSUB_on (ncv);
		2331	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2332
		2333	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2334
		2335	CvXSUB (ncv) = CvXSUB (xcv);
		2336	CvANON_on (ncv);
		2337
		2338	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2339	RETVAL = newRV_noinc ((SV *)ncv);
		2340	}
		2341	OUTPUT:
		2342	RETVAL
		2343
		2344	#endif
		2345
2007		2346
2008	MODULE = Coro::State PACKAGE = Coro::AIO	2347	MODULE = Coro::State PACKAGE = Coro::AIO
2009		2348
2010	SV *	2349	void
2011	_get_state ()	2350	_get_state (SV *self)
2012	CODE:	2351	PPCODE:
2013	{	2352	{
2014	struct io_state *data;	2353	AV *defav = GvAV (PL_defgv);
2015		2354	AV *av = newAV ();
		2355	int i;
2016	RETVAL = newSV (sizeof (struct io_state));	2356	SV *data_sv = newSV (sizeof (struct io_state));
2017	data = (struct io_state *)SvPVX (RETVAL);	2357	struct io_state data = (struct io_state )SvPVX (data_sv);
2018	SvCUR_set (RETVAL, sizeof (struct io_state));	2358	SvCUR_set (data_sv, sizeof (struct io_state));
2019	SvPOK_only (RETVAL);	2359	SvPOK_only (data_sv);
2020		2360
2021	data->errorno = errno;	2361	data->errorno = errno;
2022	data->laststype = PL_laststype;	2362	data->laststype = PL_laststype;
2023	data->laststatval = PL_laststatval;	2363	data->laststatval = PL_laststatval;
2024	data->statcache = PL_statcache;	2364	data->statcache = PL_statcache;
		2365
		2366	av_extend (av, AvFILLp (defav) + 1 + 1);
		2367
		2368	for (i = 0; i <= AvFILLp (defav); ++i)
		2369	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2370
		2371	av_push (av, data_sv);
		2372
		2373	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2374
		2375	api_ready (self);
2025	}	2376	}
2026	OUTPUT:
2027	RETVAL
2028		2377
2029	void	2378	void
2030	_set_state (char *data_)	2379	_set_state (SV *state)
2031	PROTOTYPE: $	2380	PROTOTYPE: $
2032	CODE:	2381	PPCODE:
2033	{	2382	{
2034	struct io_state data = (void )data_;	2383	AV av = (AV )SvRV (state);
		2384	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2385	int i;
2035		2386
2036	errno = data->errorno;	2387	errno = data->errorno;
2037	PL_laststype = data->laststype;	2388	PL_laststype = data->laststype;
2038	PL_laststatval = data->laststatval;	2389	PL_laststatval = data->laststatval;
2039	PL_statcache = data->statcache;	2390	PL_statcache = data->statcache;
2040	}
2041		2391
		2392	EXTEND (SP, AvFILLp (av));
		2393	for (i = 0; i < AvFILLp (av); ++i)
		2394	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2395	}
		2396
		2397
		2398	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2399
		2400	BOOT:
		2401	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2402
		2403	SV *
		2404	_schedule (...)
		2405	PROTOTYPE: @
		2406	CODE:
		2407	{
		2408	static int incede;
		2409
		2410	api_cede_notself ();
		2411
		2412	++incede;
		2413	while (coro_nready >= incede && api_cede ())
		2414	;
		2415
		2416	sv_setsv (sv_activity, &PL_sv_undef);
		2417	if (coro_nready >= incede)
		2418	{
		2419	PUSHMARK (SP);
		2420	PUTBACK;
		2421	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2422	SPAGAIN;
		2423	}
		2424
		2425	--incede;
		2426	}
		2427
		2428
		2429	MODULE = Coro::State PACKAGE = PerlIO::cede
		2430
		2431	BOOT:
		2432	PerlIO_define_layer (aTHX_ &PerlIO_cede);
		2433

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Comparing Coro/Coro/State.xs (file contents): Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs. Revision 1.263 by root, Wed Nov 12 04:49:06 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs.
Revision 1.263 by root, Wed Nov 12 04:49:06 2008 UTC