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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs.
Revision 1.242 by root, Thu Aug 14 12:48:20 2008 UTC

…		…
10	#include "patchlevel.h"	10	#include "patchlevel.h"
11		11
12	#include <stdio.h>	12	#include <stdio.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <assert.h>	14	#include <assert.h>
		15
		16	#ifdef WIN32
		17	# undef setjmp
		18	# undef longjmp
		19	# undef _exit
		20	# define setjmp _setjmp // deep magic, don't ask
		21	#else
15	#include <inttypes.h> /* portable stdint.h */	22	# include <inttypes.h> /* most portable stdint.h */
		23	#endif
16		24
17	#ifdef HAVE_MMAP	25	#ifdef HAVE_MMAP
18	# include <unistd.h>	26	# include <unistd.h>
19	# include <sys/mman.h>	27	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	28	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	80	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	81	# define IS_PADCONST(v) 0
74	# endif	82	# endif
75	#endif	83	#endif
76		84
		85	/* 5.8.8 */
		86	#ifndef GV_NOTQUAL
		87	# define GV_NOTQUAL 0
		88	#endif
		89	#ifndef newSV
		90	# 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
		97
77	/* 5.8.7 */	98	/* 5.8.7 */
78	#ifndef SvRV_set	99	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	100	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
81
82	/* 5.8.8 */
83	#ifndef GV_NOTQUAL
84	# define GV_NOTQUAL 0
85	#endif
86	#ifndef newSV
87	# define newSV(l) NEWSV(0,l)
88	#endif	101	#endif
89		102
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	103	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	104	# undef CORO_STACKGUARD
92	#endif	105	#endif
…		…
145	static size_t coro_stacksize = CORO_STACKSIZE;	158	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	159	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	160	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	161	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	162	static HV coro_state_stash, coro_stash;
150	static SV coro_mortal; / will be freed after next transfer */	163	static volatile SV coro_mortal; / will be freed after next transfer */
151		164
152	static GV irsgv; / $/ */	165	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	166	static GV stdoutgv; / STDOUT /
154	static SV *rv_diehook;	167	static SV *rv_diehook;
155	static SV *rv_warnhook;	168	static SV *rv_warnhook;
…		…
157		170
158	/* async_pool helper stuff */	171	/* async_pool helper stuff */
159	static SV *sv_pool_rss;	172	static SV *sv_pool_rss;
160	static SV *sv_pool_size;	173	static SV *sv_pool_size;
161	static AV *av_async_pool;	174	static AV *av_async_pool;
		175
		176	/* Coro::AnyEvent */
		177	static SV *sv_activity;
162		178
163	static struct coro_cctx *cctx_first;	179	static struct coro_cctx *cctx_first;
164	static int cctx_count, cctx_idle;	180	static int cctx_count, cctx_idle;
165		181
166	enum {	182	enum {
…		…
252	#define PRIO_IDLE -3	268	#define PRIO_IDLE -3
253	#define PRIO_MIN -4	269	#define PRIO_MIN -4
254		270
255	/* for Coro.pm */	271	/* for Coro.pm */
256	static SV *coro_current;	272	static SV *coro_current;
		273	static SV *coro_readyhook;
257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
258	static int coro_nready;	275	static int coro_nready;
259	static struct coro *coro_first;	276	static struct coro *coro_first;
260		277
261	/ lowlevel stuff ********************************************************/	278	/ lowlevel stuff ********************************************************/
262		279
263	static SV *	280	static SV *
264	coro_get_sv (pTHX_ const char *name, int create)	281	coro_get_sv (pTHX_ const char *name, int create)
265	{	282	{
266	#if PERL_VERSION_ATLEAST (5,9,0)	283	#if PERL_VERSION_ATLEAST (5,10,0)
267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	284	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
268	get_sv (name, create);	285	get_sv (name, create);
269	#endif	286	#endif
270	return get_sv (name, create);	287	return get_sv (name, create);
271	}	288	}
272		289
273	static AV *	290	static AV *
274	coro_get_av (pTHX_ const char *name, int create)	291	coro_get_av (pTHX_ const char *name, int create)
275	{	292	{
276	#if PERL_VERSION_ATLEAST (5,9,0)	293	#if PERL_VERSION_ATLEAST (5,10,0)
277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	294	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
278	get_av (name, create);	295	get_av (name, create);
279	#endif	296	#endif
280	return get_av (name, create);	297	return get_av (name, create);
281	}	298	}
282		299
283	static HV *	300	static HV *
284	coro_get_hv (pTHX_ const char *name, int create)	301	coro_get_hv (pTHX_ const char *name, int create)
285	{	302	{
286	#if PERL_VERSION_ATLEAST (5,9,0)	303	#if PERL_VERSION_ATLEAST (5,10,0)
287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	304	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
288	get_hv (name, create);	305	get_hv (name, create);
289	#endif	306	#endif
290	return get_hv (name, create);	307	return get_hv (name, create);
291	}	308	}
…		…
296	AV *padlist = CvPADLIST (cv);	313	AV *padlist = CvPADLIST (cv);
297	AV newpadlist, newpad;	314	AV newpadlist, newpad;
298		315
299	newpadlist = newAV ();	316	newpadlist = newAV ();
300	AvREAL_off (newpadlist);	317	AvREAL_off (newpadlist);
301	#if PERL_VERSION_ATLEAST (5,9,0)	318	#if PERL_VERSION_ATLEAST (5,10,0)
302	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	319	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303	#else	320	#else
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305	#endif	322	#endif
306	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
497		514
498	if (expect_true (CvDEPTH (cv)))	515	if (expect_true (CvDEPTH (cv)))
499	{	516	{
500	EXTEND (SP, 3);	517	EXTEND (SP, 3);
501	PUSHs ((SV *)CvPADLIST (cv));	518	PUSHs ((SV *)CvPADLIST (cv));
502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	519	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503	PUSHs ((SV *)cv);	520	PUSHs ((SV *)cv);
504		521
505	CvDEPTH (cv) = 0;	522	CvDEPTH (cv) = 0;
506	get_padlist (aTHX_ cv);	523	get_padlist (aTHX_ cv);
507	}	524	}
…		…
587		604
588	New(54,PL_savestack,24,ANY);	605	New(54,PL_savestack,24,ANY);
589	PL_savestack_ix = 0;	606	PL_savestack_ix = 0;
590	PL_savestack_max = 24;	607	PL_savestack_max = 24;
591		608
592	#if !PERL_VERSION_ATLEAST (5,9,0)	609	#if !PERL_VERSION_ATLEAST (5,10,0)
593	New(54,PL_retstack,4,OP*);	610	New(54,PL_retstack,4,OP*);
594	PL_retstack_ix = 0;	611	PL_retstack_ix = 0;
595	PL_retstack_max = 4;	612	PL_retstack_max = 4;
596	#endif	613	#endif
597	}	614	}
…		…
620		637
621	Safefree (PL_tmps_stack);	638	Safefree (PL_tmps_stack);
622	Safefree (PL_markstack);	639	Safefree (PL_markstack);
623	Safefree (PL_scopestack);	640	Safefree (PL_scopestack);
624	Safefree (PL_savestack);	641	Safefree (PL_savestack);
625	#if !PERL_VERSION_ATLEAST (5,9,0)	642	#if !PERL_VERSION_ATLEAST (5,10,0)
626	Safefree (PL_retstack);	643	Safefree (PL_retstack);
627	#endif	644	#endif
628	}	645	}
629		646
630	static size_t	647	static size_t
…		…
654	rss += slot->tmps_max * sizeof (SV *);	671	rss += slot->tmps_max * sizeof (SV *);
655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656	rss += slot->scopestack_max * sizeof (I32);	673	rss += slot->scopestack_max * sizeof (I32);
657	rss += slot->savestack_max * sizeof (ANY);	674	rss += slot->savestack_max * sizeof (ANY);
658		675
659	#if !PERL_VERSION_ATLEAST (5,9,0)	676	#if !PERL_VERSION_ATLEAST (5,10,0)
660	rss += slot->retstack_max * sizeof (OP *);	677	rss += slot->retstack_max * sizeof (OP *);
661	#endif	678	#endif
662	}	679	}
663		680
664	return rss;	681	return rss;
665	}	682	}
666		683
667	/ coroutine stack handling **********************************************/	684	/ coroutine stack handling **********************************************/
668		685
669	#if 0
670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	686	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		687	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		688	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		689
		690	/* apparently < 5.8.8 */
		691	#ifndef MgPV_nolen_const
		692	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		693	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		694	(const char*)(mg)->mg_ptr)
		695	#endif
671		696
672	/*	697	/*
673	* This overrides the default magic get method of %SIG elements.	698	* This overrides the default magic get method of %SIG elements.
674	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	699	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
675	* and instead of tryign to save and restore the hash elements, we just provide	700	* and instead of tryign to save and restore the hash elements, we just provide
…		…
679	* when a schedule happens then, but we ignore this.	704	* when a schedule happens then, but we ignore this.
680	*/	705	*/
681	static int	706	static int
682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	707	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
683	{	708	{
684	return orig_sigelem_get (aTHX_ sv, mg);
685	const char *s = MgPV_nolen_const (mg);	709	const char *s = MgPV_nolen_const (mg);
686		710
687	if (*s == '_')	711	if (*s == '_')
688	{	712	{
689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	713	SV **svp = 0;
690	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	714
		715	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		716	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		717
		718	if (svp)
		719	{
		720	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		721	return 0;
		722	}
		723	}
		724
		725	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		726	}
		727
		728	static int
		729	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		730	{
		731	const char *s = MgPV_nolen_const (mg);
		732
		733	if (*s == '_')
691	}	734	{
		735	SV **svp = 0;
692		736
		737	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		738	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		739
		740	if (svp)
		741	{
		742	SV old = svp;
		743	*svp = 0;
		744	SvREFCNT_dec (old);
		745	return 0;
		746	}
		747	}
		748
		749	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		750	}
		751
		752	static int
		753	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		754	{
		755	const char *s = MgPV_nolen_const (mg);
		756
		757	if (*s == '_')
		758	{
		759	SV **svp = 0;
		760
		761	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		762	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		763
		764	if (svp)
		765	{
		766	SV old = svp;
		767	*svp = newSVsv (sv);
		768	SvREFCNT_dec (old);
		769	return 0;
		770	}
		771	}
		772
693	return orig_sigelem_get (aTHX_ sv, mg);	773	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694	}	774	}
695	#endif
696		775
697	static void	776	static void
698	coro_setup (pTHX_ struct coro *coro)	777	coro_setup (pTHX_ struct coro *coro)
699	{	778	{
700	/*	779	/*
…		…
709	PL_curpm = 0;	788	PL_curpm = 0;
710	PL_curpad = 0;	789	PL_curpad = 0;
711	PL_localizing = 0;	790	PL_localizing = 0;
712	PL_dirty = 0;	791	PL_dirty = 0;
713	PL_restartop = 0;	792	PL_restartop = 0;
		793	#if PERL_VERSION_ATLEAST (5,10,0)
		794	PL_parser = 0;
		795	#endif
714		796
715	/* recreate the die/warn hooks */	797	/* recreate the die/warn hooks */
716	PL_diehook = 0;	798	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
717	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);	799	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
718	PL_diehook = SvREFCNT_inc (rv_diehook);
719
720	PL_warnhook = 0;
721	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
722	PL_warnhook = SvREFCNT_inc (rv_warnhook);
723		800
724	GvSV (PL_defgv) = newSV (0);	801	GvSV (PL_defgv) = newSV (0);
725	GvAV (PL_defgv) = coro->args; coro->args = 0;	802	GvAV (PL_defgv) = coro->args; coro->args = 0;
726	GvSV (PL_errgv) = newSV (0);	803	GvSV (PL_errgv) = newSV (0);
727	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	804	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
878	SAVETMPS;	955	SAVETMPS;
879	EXTEND (SP, 3);	956	EXTEND (SP, 3);
880	PUSHMARK (SP);	957	PUSHMARK (SP);
881	PUSHs (&PL_sv_yes);	958	PUSHs (&PL_sv_yes);
882	PUSHs (fullname);	959	PUSHs (fullname);
883	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	960	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884	PUTBACK;	961	PUTBACK;
885	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	962	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
886	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	963	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
887	SPAGAIN;	964	SPAGAIN;
888	FREETMPS;	965	FREETMPS;
…		…
1104	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1181	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105		1182
1106	if (expect_false (next->flags & CF_DESTROYED))	1183	if (expect_false (next->flags & CF_DESTROYED))
1107	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1184	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108		1185
1109	if (
1110	#if PERL_VERSION_ATLEAST (5,9,0)	1186	#if !PERL_VERSION_ATLEAST (5,10,0)
1111	expect_false (PL_parser)
1112	#else
1113	expect_false (PL_lex_state != LEX_NOTPARSING)	1187	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114	#endif
1115	)
1116	croak ("Coro::State::transfer called while parsing, but this is not supported");	1188	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1189	#endif
1117	}	1190	}
1118	}	1191	}
1119		1192
1120	/* always use the TRANSFER macro */	1193	/* always use the TRANSFER macro */
1121	static void NOINLINE	1194	static void NOINLINE
1122	transfer (pTHX_ struct coro prev, struct coro next)	1195	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1123	{	1196	{
1124	dSTACKLEVEL;	1197	dSTACKLEVEL;
		1198	static volatile int has_throw;
1125		1199
1126	/* sometimes transfer is only called to set idle_sp */	1200	/* sometimes transfer is only called to set idle_sp */
1127	if (expect_false (!next))	1201	if (expect_false (!next))
1128	{	1202	{
1129	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1203	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1160	load_perl (aTHX_ next);	1234	load_perl (aTHX_ next);
1161		1235
1162	prev__cctx = prev->cctx;	1236	prev__cctx = prev->cctx;
1163		1237
1164	/* possibly "free" the cctx */	1238	/* possibly "free" the cctx */
1165	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1239	if (expect_true (
		1240	prev__cctx->idle_sp == STACKLEVEL
		1241	&& !(prev__cctx->flags & CC_TRACE)
		1242	&& !force_cctx
		1243	))
1166	{	1244	{
1167	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1245	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1168	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1246	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1169		1247
1170	prev->cctx = 0;	1248	prev->cctx = 0;
…		…
1180		1258
1181	++next->usecount;	1259	++next->usecount;
1182		1260
1183	if (expect_true (!next->cctx))	1261	if (expect_true (!next->cctx))
1184	next->cctx = cctx_get (aTHX);	1262	next->cctx = cctx_get (aTHX);
		1263
		1264	has_throw = !!next->throw;
1185		1265
1186	if (expect_false (prev__cctx != next->cctx))	1266	if (expect_false (prev__cctx != next->cctx))
1187	{	1267	{
1188	prev__cctx->top_env = PL_top_env;	1268	prev__cctx->top_env = PL_top_env;
1189	PL_top_env = next->cctx->top_env;	1269	PL_top_env = next->cctx->top_env;
…		…
1191	}	1271	}
1192		1272
1193	free_coro_mortal (aTHX);	1273	free_coro_mortal (aTHX);
1194	UNLOCK;	1274	UNLOCK;
1195		1275
1196	if (expect_false (prev->throw \|\| next->throw))	1276	if (expect_false (has_throw))
1197	{	1277	{
1198	struct coro *coro = SvSTATE (coro_current);	1278	struct coro *coro = SvSTATE (coro_current);
1199		1279
1200	if (coro->throw)	1280	if (coro->throw)
1201	{	1281	{
…		…
1211	struct transfer_args	1291	struct transfer_args
1212	{	1292	{
1213	struct coro prev, next;	1293	struct coro prev, next;
1214	};	1294	};
1215		1295
1216	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1296	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1217	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1297	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1218		1298
1219	/ high level stuff ******************************************************/	1299	/ high level stuff ******************************************************/
1220		1300
1221	static int	1301	static int
…		…
1315	{	1395	{
1316	dTHX;	1396	dTHX;
1317	struct transfer_args ta;	1397	struct transfer_args ta;
1318		1398
1319	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1399	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1320	TRANSFER (ta);	1400	TRANSFER (ta, 1);
1321	}	1401	}
1322		1402
1323	/ Coro ******************************************************************/	1403	/ Coro ******************************************************************/
1324		1404
1325	static void	1405	static void
…		…
1327	{	1407	{
1328	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1408	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1329	}	1409	}
1330		1410
1331	static SV *	1411	static SV *
1332	coro_deq (pTHX_ int min_prio)	1412	coro_deq (pTHX)
1333	{	1413	{
1334	int prio = PRIO_MAX - PRIO_MIN;	1414	int prio;
1335		1415
1336	min_prio -= PRIO_MIN;
1337	if (min_prio < 0)
1338	min_prio = 0;
1339
1340	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1416	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1341	if (AvFILLp (coro_ready [prio]) >= 0)	1417	if (AvFILLp (coro_ready [prio]) >= 0)
1342	return av_shift (coro_ready [prio]);	1418	return av_shift (coro_ready [prio]);
1343		1419
1344	return 0;	1420	return 0;
1345	}	1421	}
…		…
1347	static int	1423	static int
1348	api_ready (SV *coro_sv)	1424	api_ready (SV *coro_sv)
1349	{	1425	{
1350	dTHX;	1426	dTHX;
1351	struct coro *coro;	1427	struct coro *coro;
		1428	SV *sv_hook;
		1429	void (*xs_hook)(void);
1352		1430
1353	if (SvROK (coro_sv))	1431	if (SvROK (coro_sv))
1354	coro_sv = SvRV (coro_sv);	1432	coro_sv = SvRV (coro_sv);
1355		1433
1356	coro = SvSTATE (coro_sv);	1434	coro = SvSTATE (coro_sv);
…		…
1359	return 0;	1437	return 0;
1360		1438
1361	coro->flags \|= CF_READY;	1439	coro->flags \|= CF_READY;
1362		1440
1363	LOCK;	1441	LOCK;
		1442
		1443	sv_hook = coro_nready ? 0 : coro_readyhook;
		1444	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1445
1364	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1446	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1365	++coro_nready;	1447	++coro_nready;
		1448
1366	UNLOCK;	1449	UNLOCK;
		1450
		1451	if (sv_hook)
		1452	{
		1453	dSP;
		1454
		1455	ENTER;
		1456	SAVETMPS;
		1457
		1458	PUSHMARK (SP);
		1459	PUTBACK;
		1460	call_sv (sv_hook, G_DISCARD);
		1461	SPAGAIN;
		1462
		1463	FREETMPS;
		1464	LEAVE;
		1465	}
		1466
		1467	if (xs_hook)
		1468	xs_hook ();
1367		1469
1368	return 1;	1470	return 1;
1369	}	1471	}
1370		1472
1371	static int	1473	static int
…		…
1381	SV prev_sv, next_sv;	1483	SV prev_sv, next_sv;
1382		1484
1383	for (;;)	1485	for (;;)
1384	{	1486	{
1385	LOCK;	1487	LOCK;
1386	next_sv = coro_deq (aTHX_ PRIO_MIN);	1488	next_sv = coro_deq (aTHX);
1387		1489
1388	/* nothing to schedule: call the idle handler */	1490	/* nothing to schedule: call the idle handler */
1389	if (expect_false (!next_sv))	1491	if (expect_false (!next_sv))
1390	{	1492	{
1391	dSP;	1493	dSP;
…		…
1395	SAVETMPS;	1497	SAVETMPS;
1396		1498
1397	PUSHMARK (SP);	1499	PUSHMARK (SP);
1398	PUTBACK;	1500	PUTBACK;
1399	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1501	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1502	SPAGAIN;
1400		1503
1401	FREETMPS;	1504	FREETMPS;
1402	LEAVE;	1505	LEAVE;
1403	continue;	1506	continue;
1404	}	1507	}
…		…
1459	{	1562	{
1460	dTHX;	1563	dTHX;
1461	struct transfer_args ta;	1564	struct transfer_args ta;
1462		1565
1463	prepare_schedule (aTHX_ &ta);	1566	prepare_schedule (aTHX_ &ta);
1464	TRANSFER (ta);	1567	TRANSFER (ta, 1);
1465	}	1568	}
1466		1569
1467	static int	1570	static int
1468	api_cede (void)	1571	api_cede (void)
1469	{	1572	{
…		…
1472		1575
1473	prepare_cede (aTHX_ &ta);	1576	prepare_cede (aTHX_ &ta);
1474		1577
1475	if (expect_true (ta.prev != ta.next))	1578	if (expect_true (ta.prev != ta.next))
1476	{	1579	{
1477	TRANSFER (ta);	1580	TRANSFER (ta, 1);
1478	return 1;	1581	return 1;
1479	}	1582	}
1480	else	1583	else
1481	return 0;	1584	return 0;
1482	}	1585	}
…		…
1487	dTHX;	1590	dTHX;
1488	struct transfer_args ta;	1591	struct transfer_args ta;
1489		1592
1490	if (prepare_cede_notself (aTHX_ &ta))	1593	if (prepare_cede_notself (aTHX_ &ta))
1491	{	1594	{
1492	TRANSFER (ta);	1595	TRANSFER (ta, 1);
1493	return 1;	1596	return 1;
1494	}	1597	}
1495	else	1598	else
1496	return 0;	1599	return 0;
1497	}	1600	}
…		…
1533	#endif	1636	#endif
1534	BOOT_PAGESIZE;	1637	BOOT_PAGESIZE;
1535		1638
1536	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1639	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1537	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1640	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1538	#if 0	1641
1539	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1642	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1540	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1643	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1541	#endif	1644	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1645
1542	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1646	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1543	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1647	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1544	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1648	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1545		1649
1546	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1650	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1547		1651
1548	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1652	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1549	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1653	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1554	main_top_env = PL_top_env;	1658	main_top_env = PL_top_env;
1555		1659
1556	while (main_top_env->je_prev)	1660	while (main_top_env->je_prev)
1557	main_top_env = main_top_env->je_prev;	1661	main_top_env = main_top_env->je_prev;
1558		1662
1559	coroapi.ver = CORO_API_VERSION;	1663	coroapi.ver = CORO_API_VERSION;
1560	coroapi.rev = CORO_API_REVISION;	1664	coroapi.rev = CORO_API_REVISION;
1561	coroapi.transfer = api_transfer;	1665	coroapi.transfer = api_transfer;
1562		1666
1563	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1667	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1564	}	1668	}
1565		1669
1566	SV *	1670	SV *
…		…
1604	Coro::cede_notself = 4	1708	Coro::cede_notself = 4
1605	CODE:	1709	CODE:
1606	{	1710	{
1607	struct transfer_args ta;	1711	struct transfer_args ta;
1608		1712
		1713	PUTBACK;
1609	switch (ix)	1714	switch (ix)
1610	{	1715	{
1611	case 0:	1716	case 0:
1612	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1717	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1613	ta.next = 0;	1718	ta.next = 0;
…		…
1632	if (!prepare_cede_notself (aTHX_ &ta))	1737	if (!prepare_cede_notself (aTHX_ &ta))
1633	XSRETURN_EMPTY;	1738	XSRETURN_EMPTY;
1634		1739
1635	break;	1740	break;
1636	}	1741	}
		1742	SPAGAIN;
1637		1743
1638	BARRIER;	1744	BARRIER;
1639	PUTBACK;	1745	PUTBACK;
1640	TRANSFER (ta);	1746	TRANSFER (ta, 0);
1641	SPAGAIN; /* might be the sp of a different coroutine now */	1747	SPAGAIN; /* might be the sp of a different coroutine now */
1642	/* be extra careful not to ever do anything after TRANSFER */	1748	/* be extra careful not to ever do anything after TRANSFER */
1643	}	1749	}
1644		1750
1645	bool	1751	bool
…		…
1648	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1754	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1649	OUTPUT:	1755	OUTPUT:
1650	RETVAL	1756	RETVAL
1651		1757
1652	void	1758	void
1653	_exit (code)	1759	_exit (int code)
1654	int code
1655	PROTOTYPE: $	1760	PROTOTYPE: $
1656	CODE:	1761	CODE:
1657	_exit (code);	1762	_exit (code);
1658		1763
1659	int	1764	int
…		…
1699	{	1804	{
1700	struct coro temp;	1805	struct coro temp;
1701		1806
1702	if (!(coro->flags & CF_RUNNING))	1807	if (!(coro->flags & CF_RUNNING))
1703	{	1808	{
		1809	PUTBACK;
1704	save_perl (aTHX_ &temp);	1810	save_perl (aTHX_ &temp);
1705	load_perl (aTHX_ coro);	1811	load_perl (aTHX_ coro);
1706	}	1812	}
1707		1813
1708	{	1814	{
…		…
1727		1833
1728	if (!(coro->flags & CF_RUNNING))	1834	if (!(coro->flags & CF_RUNNING))
1729	{	1835	{
1730	save_perl (aTHX_ coro);	1836	save_perl (aTHX_ coro);
1731	load_perl (aTHX_ &temp);	1837	load_perl (aTHX_ &temp);
		1838	SPAGAIN;
1732	}	1839	}
1733	}	1840	}
1734	}	1841	}
1735		1842
1736	SV *	1843	SV *
…		…
1748		1855
1749	void	1856	void
1750	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1857	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1751		1858
1752	SV *	1859	SV *
1753	has_stack (Coro::State coro)	1860	has_cctx (Coro::State coro)
1754	PROTOTYPE: $	1861	PROTOTYPE: $
1755	CODE:	1862	CODE:
1756	RETVAL = boolSV (!!coro->cctx);	1863	RETVAL = boolSV (!!coro->cctx);
1757	OUTPUT:	1864	OUTPUT:
1758	RETVAL	1865	RETVAL
…		…
1777	case 1: RETVAL = coro->usecount; break;	1884	case 1: RETVAL = coro->usecount; break;
1778	}	1885	}
1779	OUTPUT:	1886	OUTPUT:
1780	RETVAL	1887	RETVAL
1781		1888
		1889	void
		1890	force_cctx ()
		1891	CODE:
		1892	struct coro *coro = SvSTATE (coro_current);
		1893	coro->cctx->idle_sp = 0;
		1894
		1895	void
		1896	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1897	PROTOTYPE: $;$
		1898	CODE:
		1899	SvREFCNT_dec (self->throw);
		1900	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1901
		1902	void
		1903	swap_defsv (Coro::State self)
		1904	PROTOTYPE: $
		1905	ALIAS:
		1906	swap_defav = 1
		1907	CODE:
		1908	if (!self->slot)
		1909	croak ("cannot swap state with coroutine that has no saved state");
		1910	else
		1911	{
		1912	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		1913	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		1914
		1915	SV tmp = src; src = dst; *dst = tmp;
		1916	}
1782		1917
1783	MODULE = Coro::State PACKAGE = Coro	1918	MODULE = Coro::State PACKAGE = Coro
1784		1919
1785	BOOT:	1920	BOOT:
1786	{	1921	{
1787	int i;	1922	int i;
1788		1923
		1924	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1789	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	1925	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1790	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	1926	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1791	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792		1927
1793	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	1928	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1794	SvREADONLY_on (coro_current);	1929	SvREADONLY_on (coro_current);
1795		1930
1796	coro_stash = gv_stashpv ("Coro", TRUE);	1931	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1828	PROTOTYPE: $	1963	PROTOTYPE: $
1829	CODE:	1964	CODE:
1830	SvREFCNT_dec (SvRV (coro_current));	1965	SvREFCNT_dec (SvRV (coro_current));
1831	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	1966	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1832		1967
		1968	void
		1969	_set_readyhook (SV *hook)
		1970	PROTOTYPE: $
		1971	CODE:
		1972	LOCK;
		1973	SvREFCNT_dec (coro_readyhook);
		1974	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		1975	UNLOCK;
		1976
1833	int	1977	int
1834	prio (Coro::State coro, int newprio = 0)	1978	prio (Coro::State coro, int newprio = 0)
1835	ALIAS:	1979	ALIAS:
1836	nice = 1	1980	nice = 1
1837	CODE:	1981	CODE:
…		…
1866	CODE:	2010	CODE:
1867	RETVAL = coro_nready;	2011	RETVAL = coro_nready;
1868	OUTPUT:	2012	OUTPUT:
1869	RETVAL	2013	RETVAL
1870		2014
1871	void
1872	throw (Coro::State self, SV *throw = &PL_sv_undef)
1873	PROTOTYPE: $;$
1874	CODE:
1875	SvREFCNT_dec (self->throw);
1876	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1877
1878	# for async_pool speedup	2015	# for async_pool speedup
1879	void	2016	void
1880	_pool_1 (SV *cb)	2017	_pool_1 (SV *cb)
1881	CODE:	2018	CODE:
1882	{	2019	{
…		…
1886	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2023	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1887	AV *invoke_av;	2024	AV *invoke_av;
1888	int i, len;	2025	int i, len;
1889		2026
1890	if (!invoke)	2027	if (!invoke)
		2028	{
		2029	SV *old = PL_diehook;
		2030	PL_diehook = 0;
		2031	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2032	croak ("\3async_pool terminate\2\n");
		2033	}
1892		2034
1893	SvREFCNT_dec (coro->saved_deffh);	2035	SvREFCNT_dec (coro->saved_deffh);
1894	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2036	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1895		2037
1896	hv_store (hv, "desc", sizeof ("desc") - 1,	2038	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1922	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2064	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1923	coro->saved_deffh = 0;	2065	coro->saved_deffh = 0;
1924		2066
1925	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2067	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1926	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2068	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2069	{
		2070	SV *old = PL_diehook;
		2071	PL_diehook = 0;
		2072	SvREFCNT_dec (old);
1927	croak ("\3async_pool terminate\2\n");	2073	croak ("\3async_pool terminate\2\n");
		2074	}
1928		2075
1929	av_clear (GvAV (PL_defgv));	2076	av_clear (GvAV (PL_defgv));
1930	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2077	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1931	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2078	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1932		2079
…		…
1971	PL_laststype = data->laststype;	2118	PL_laststype = data->laststype;
1972	PL_laststatval = data->laststatval;	2119	PL_laststatval = data->laststatval;
1973	PL_statcache = data->statcache;	2120	PL_statcache = data->statcache;
1974	}	2121	}
1975		2122
		2123
		2124	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2125
		2126	BOOT:
		2127	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2128
		2129	SV *
		2130	_schedule (...)
		2131	PROTOTYPE: @
		2132	CODE:
		2133	{
		2134	static int incede;
		2135
		2136	api_cede_notself ();
		2137
		2138	++incede;
		2139	while (coro_nready >= incede && api_cede ())
		2140	;
		2141
		2142	sv_setsv (sv_activity, &PL_sv_undef);
		2143	if (coro_nready >= incede)
		2144	{
		2145	PUSHMARK (SP);
		2146	PUTBACK;
		2147	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2148	SPAGAIN;
		2149	}
		2150
		2151	--incede;
		2152	}
		2153

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Comparing Coro/Coro/State.xs (file contents): Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs. Revision 1.242 by root, Thu Aug 14 12:48:20 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs.
Revision 1.242 by root, Thu Aug 14 12:48:20 2008 UTC