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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.332 by root, Thu Nov 27 12:20:31 2008 UTC vs.
Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC

…		…
137		137
138	#define IN_DESTRUCT PL_dirty	138	#define IN_DESTRUCT PL_dirty
139		139
140	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	143	# define INLINE static inline
144	#else	144	#else
145	# define attribute(x)	145	# define attribute(x)
146	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
147	# define INLINE static	147	# define INLINE static
…		…
156	#define GCoroAPI (&coroapi) /* very sneaky */	156	#define GCoroAPI (&coroapi) /* very sneaky */
157		157
158	#ifdef USE_ITHREADS	158	#ifdef USE_ITHREADS
159	# if CORO_PTHREAD	159	# if CORO_PTHREAD
160	static void *coro_thx;	160	static void *coro_thx;
		161	# endif
		162	#endif
		163
		164	#ifdef __linux
		165	# include <time.h> /* for timespec */
		166	# include <syscall.h> /* for SYS_* */
		167	# ifdef SYS_clock_gettime
		168	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		169	# define CORO_CLOCK_MONOTONIC 1
		170	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
161	# endif	171	# endif
162	#endif	172	#endif
163		173
164	static double (nvtime)(); / so why doesn't it take void? */	174	static double (nvtime)(); / so why doesn't it take void? */
165		175
…		…
238	enum {	248	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	249	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	250	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	251	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	252	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		253	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	254	};
244		255
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	256	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	257	typedef struct
247	{	258	{
…		…
260	/* this is a structure representing a perl-level coroutine */	271	/* this is a structure representing a perl-level coroutine */
261	struct coro {	272	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	273	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	274	coro_cctx *cctx;
264		275
		276	/* ready queue */
		277	struct coro *next_ready;
		278
265	/* state data */	279	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	280	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	281	AV *mainstack;
268	perl_slots slot; / basically the saved sp */	282	perl_slots slot; / basically the saved sp */
269		283
…		…
285	/* async_pool */	299	/* async_pool */
286	SV *saved_deffh;	300	SV *saved_deffh;
287	SV *invoke_cb;	301	SV *invoke_cb;
288	AV *invoke_av;	302	AV *invoke_av;
289		303
		304	/* on_enter/on_leave */
		305	AV *on_enter;
		306	AV *on_leave;
		307
290	/* linked list */	308	/* linked list */
291	struct coro next, prev;	309	struct coro next, prev;
292	};	310	};
293		311
294	typedef struct coro *Coro__State;	312	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	317	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	318	static struct CoroSLF slf_frame; /* the current slf frame */
301		319
302	/ Coro ******************************************************************/	320	/ Coro ******************************************************************/
303		321
304	#define PRIO_MAX 3	322	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	323	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	324	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	325	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	326	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	327	#define CORO_PRIO_MIN -4
310		328
311	/* for Coro.pm */	329	/* for Coro.pm */
312	static SV *coro_current;	330	static SV *coro_current;
313	static SV *coro_readyhook;	331	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	332	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
315	static CV cv_coro_run, cv_coro_terminate;	333	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	334	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	335	#define coro_nready coroapi.nready
318		336
319	/ lowlevel stuff ********************************************************/	337	/ lowlevel stuff ********************************************************/
…		…
352	INLINE CV *	370	INLINE CV *
353	coro_sv_2cv (pTHX_ SV *sv)	371	coro_sv_2cv (pTHX_ SV *sv)
354	{	372	{
355	HV *st;	373	HV *st;
356	GV *gvp;	374	GV *gvp;
357	return sv_2cv (sv, &st, &gvp, 0);	375	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		376
		377	if (!cv)
		378	croak ("code reference expected");
		379
		380	return cv;
358	}	381	}
359		382
360	/*****************************************************************************/	383	/*****************************************************************************/
361	/* magic glue */	384	/* magic glue */
362		385
…		…
462	static int	485	static int
463	coro_cv_free (pTHX_ SV sv, MAGIC mg)	486	coro_cv_free (pTHX_ SV sv, MAGIC mg)
464	{	487	{
465	AV *padlist;	488	AV *padlist;
466	AV av = (AV )mg->mg_obj;	489	AV av = (AV )mg->mg_obj;
		490
		491	/* perl manages to free our internal AV and _then_ call us */
		492	if (IN_DESTRUCT)
		493	return;
467		494
468	/* casting is fun. */	495	/* casting is fun. */
469	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	496	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
470	free_padlist (aTHX_ padlist);	497	free_padlist (aTHX_ padlist);
471		498
…		…
521	}	548	}
522		549
523	/ load & save, init *****************************************************/	550	/ load & save, init *****************************************************/
524		551
525	static void	552	static void
		553	on_enterleave_call (pTHX_ SV *cb);
		554
		555	static void
526	load_perl (pTHX_ Coro__State c)	556	load_perl (pTHX_ Coro__State c)
527	{	557	{
528	perl_slots *slot = c->slot;	558	perl_slots *slot = c->slot;
529	c->slot = 0;	559	c->slot = 0;
530		560
…		…
556	PUTBACK;	586	PUTBACK;
557	}	587	}
558		588
559	slf_frame = c->slf_frame;	589	slf_frame = c->slf_frame;
560	CORO_THROW = c->except;	590	CORO_THROW = c->except;
		591
		592	if (expect_false (c->on_enter))
		593	{
		594	int i;
		595
		596	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		597	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		598	}
561	}	599	}
562		600
563	static void	601	static void
564	save_perl (pTHX_ Coro__State c)	602	save_perl (pTHX_ Coro__State c)
565	{	603	{
		604	if (expect_false (c->on_leave))
		605	{
		606	int i;
		607
		608	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		609	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		610	}
		611
566	c->except = CORO_THROW;	612	c->except = CORO_THROW;
567	c->slf_frame = slf_frame;	613	c->slf_frame = slf_frame;
568		614
569	{	615	{
570	dSP;	616	dSP;
…		…
583	{	629	{
584	while (expect_true (cxix >= 0))	630	while (expect_true (cxix >= 0))
585	{	631	{
586	PERL_CONTEXT *cx = &ccstk[cxix--];	632	PERL_CONTEXT *cx = &ccstk[cxix--];
587		633
588	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	634	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
589	{	635	{
590	CV *cv = cx->blk_sub.cv;	636	CV *cv = cx->blk_sub.cv;
591		637
592	if (expect_true (CvDEPTH (cv)))	638	if (expect_true (CvDEPTH (cv)))
593	{	639	{
…		…
769	#endif	815	#endif
770		816
771	/*	817	/*
772	* This overrides the default magic get method of %SIG elements.	818	* This overrides the default magic get method of %SIG elements.
773	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	819	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
774	* and instead of tryign to save and restore the hash elements, we just provide	820	* and instead of trying to save and restore the hash elements, we just provide
775	* readback here.	821	* readback here.
776	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
777	* not expecting this to actually change the hook. This is a potential problem
778	* when a schedule happens then, but we ignore this.
779	*/	822	*/
780	static int	823	static int
781	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	824	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
782	{	825	{
783	const char *s = MgPV_nolen_const (mg);	826	const char *s = MgPV_nolen_const (mg);
…		…
836	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	879	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837		880
838	if (svp)	881	if (svp)
839	{	882	{
840	SV old = svp;	883	SV old = svp;
841	*svp = newSVsv (sv);	884	*svp = SvOK (sv) ? newSVsv (sv) : 0;
842	SvREFCNT_dec (old);	885	SvREFCNT_dec (old);
843	return 0;	886	return 0;
844	}	887	}
845	}	888	}
846		889
…		…
938	/* copy throw, in case it was set before coro_setup */	981	/* copy throw, in case it was set before coro_setup */
939	CORO_THROW = coro->except;	982	CORO_THROW = coro->except;
940	}	983	}
941		984
942	static void	985	static void
943	coro_destruct (pTHX_ struct coro *coro)	986	coro_unwind_stacks (pTHX)
944	{	987	{
945	if (!IN_DESTRUCT)	988	if (!IN_DESTRUCT)
946	{	989	{
947	/* restore all saved variables and stuff */	990	/* restore all saved variables and stuff */
948	LEAVE_SCOPE (0);	991	LEAVE_SCOPE (0);
…		…
956	POPSTACK_TO (PL_mainstack);	999	POPSTACK_TO (PL_mainstack);
957		1000
958	/* unwind main stack */	1001	/* unwind main stack */
959	dounwind (-1);	1002	dounwind (-1);
960	}	1003	}
		1004	}
961		1005
962	SvREFCNT_dec (GvSV (PL_defgv));	1006	static void
963	SvREFCNT_dec (GvAV (PL_defgv));	1007	coro_destruct_perl (pTHX_ struct coro *coro)
964	SvREFCNT_dec (GvSV (PL_errgv));	1008	{
965	SvREFCNT_dec (PL_defoutgv);	1009	SV *svf [9];
966	SvREFCNT_dec (PL_rs);
967	SvREFCNT_dec (GvSV (irsgv));
968	SvREFCNT_dec (GvHV (PL_hintgv));
969		1010
970	SvREFCNT_dec (PL_diehook);
971	SvREFCNT_dec (PL_warnhook);
972		1011	{
		1012	struct coro *current = SvSTATE_current;
		1013
		1014	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1015
		1016	save_perl (aTHX_ current);
		1017	load_perl (aTHX_ coro);
		1018
		1019	coro_unwind_stacks (aTHX);
		1020	coro_destruct_stacks (aTHX);
		1021
		1022	// now save some sv's to be free'd later
		1023	svf [0] = GvSV (PL_defgv);
		1024	svf [1] = (SV *)GvAV (PL_defgv);
		1025	svf [2] = GvSV (PL_errgv);
		1026	svf [3] = (SV *)PL_defoutgv;
		1027	svf [4] = PL_rs;
		1028	svf [5] = GvSV (irsgv);
		1029	svf [6] = (SV *)GvHV (PL_hintgv);
		1030	svf [7] = PL_diehook;
		1031	svf [8] = PL_warnhook;
		1032	assert (9 == sizeof (svf) / sizeof (*svf));
		1033
		1034	load_perl (aTHX_ current);
		1035	}
		1036
		1037	{
		1038	int i;
		1039
		1040	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1041	SvREFCNT_dec (svf [i]);
		1042
973	SvREFCNT_dec (coro->saved_deffh);	1043	SvREFCNT_dec (coro->saved_deffh);
974	SvREFCNT_dec (coro->rouse_cb);	1044	SvREFCNT_dec (coro->rouse_cb);
975	SvREFCNT_dec (coro->invoke_cb);	1045	SvREFCNT_dec (coro->invoke_cb);
976	SvREFCNT_dec (coro->invoke_av);	1046	SvREFCNT_dec (coro->invoke_av);
977		1047	}
978	coro_destruct_stacks (aTHX);
979	}	1048	}
980		1049
981	INLINE void	1050	INLINE void
982	free_coro_mortal (pTHX)	1051	free_coro_mortal (pTHX)
983	{	1052	{
…		…
1277	cctx_destroy (coro_cctx *cctx)	1346	cctx_destroy (coro_cctx *cctx)
1278	{	1347	{
1279	if (!cctx)	1348	if (!cctx)
1280	return;	1349	return;
1281		1350
1282	assert (cctx != cctx_current);//D temporary	1351	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1283		1352
1284	--cctx_count;	1353	--cctx_count;
1285	coro_destroy (&cctx->cctx);	1354	coro_destroy (&cctx->cctx);
1286		1355
1287	/* coro_transfer creates new, empty cctx's */	1356	/* coro_transfer creates new, empty cctx's */
…		…
1351	/* TODO: throwing up here is considered harmful */	1420	/* TODO: throwing up here is considered harmful */
1352		1421
1353	if (expect_true (prev != next))	1422	if (expect_true (prev != next))
1354	{	1423	{
1355	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1424	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1356	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1425	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357		1426
1358	if (expect_false (next->flags & CF_RUNNING))
1359	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1360
1361	if (expect_false (next->flags & CF_DESTROYED))	1427	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1362	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1428	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363		1429
1364	#if !PERL_VERSION_ATLEAST (5,10,0)	1430	#if !PERL_VERSION_ATLEAST (5,10,0)
1365	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1431	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1366	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1432	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367	#endif	1433	#endif
…		…
1405	coro_setup (aTHX_ next);	1471	coro_setup (aTHX_ next);
1406	}	1472	}
1407	else	1473	else
1408	load_perl (aTHX_ next);	1474	load_perl (aTHX_ next);
1409		1475
1410	assert (!prev->cctx);//D temporary
1411
1412	/* possibly untie and reuse the cctx */	1476	/* possibly untie and reuse the cctx */
1413	if (expect_true (	1477	if (expect_true (
1414	cctx_current->idle_sp == STACKLEVEL	1478	cctx_current->idle_sp == STACKLEVEL
1415	&& !(cctx_current->flags & CC_TRACE)	1479	&& !(cctx_current->flags & CC_TRACE)
1416	&& !force_cctx	1480	&& !force_cctx
…		…
1457	coro_state_destroy (pTHX_ struct coro *coro)	1521	coro_state_destroy (pTHX_ struct coro *coro)
1458	{	1522	{
1459	if (coro->flags & CF_DESTROYED)	1523	if (coro->flags & CF_DESTROYED)
1460	return 0;	1524	return 0;
1461		1525
1462	if (coro->on_destroy)	1526	if (coro->on_destroy && !PL_dirty)
1463	coro->on_destroy (aTHX_ coro);	1527	coro->on_destroy (aTHX_ coro);
1464		1528
1465	coro->flags \|= CF_DESTROYED;	1529	coro->flags \|= CF_DESTROYED;
1466		1530
1467	if (coro->flags & CF_READY)	1531	if (coro->flags & CF_READY)
…		…
1471	--coro_nready;	1535	--coro_nready;
1472	}	1536	}
1473	else	1537	else
1474	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1538	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1475		1539
1476	if (coro->mainstack && coro->mainstack != main_mainstack)	1540	if (coro->mainstack
1477	{	1541	&& coro->mainstack != main_mainstack
1478	struct coro temp;	1542	&& coro->slot
1479		1543	&& !PL_dirty)
1480	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1481
1482	save_perl (aTHX_ &temp);
1483	load_perl (aTHX_ coro);
1484
1485	coro_destruct (aTHX_ coro);	1544	coro_destruct_perl (aTHX_ coro);
1486
1487	load_perl (aTHX_ &temp);
1488
1489	coro->slot = 0;
1490	}
1491		1545
1492	cctx_destroy (coro->cctx);	1546	cctx_destroy (coro->cctx);
1493	SvREFCNT_dec (coro->startcv);	1547	SvREFCNT_dec (coro->startcv);
1494	SvREFCNT_dec (coro->args);	1548	SvREFCNT_dec (coro->args);
1495	SvREFCNT_dec (CORO_THROW);	1549	SvREFCNT_dec (CORO_THROW);
…		…
1582	/ Coro ******************************************************************/	1636	/ Coro ******************************************************************/
1583		1637
1584	INLINE void	1638	INLINE void
1585	coro_enq (pTHX_ struct coro *coro)	1639	coro_enq (pTHX_ struct coro *coro)
1586	{	1640	{
1587	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1641	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1588	}
1589		1642
1590	INLINE SV *	1643	SvREFCNT_inc_NN (coro->hv);
		1644
		1645	coro->next_ready = 0;
		1646	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1647	ready [1] = coro;
		1648	}
		1649
		1650	INLINE struct coro *
1591	coro_deq (pTHX)	1651	coro_deq (pTHX)
1592	{	1652	{
1593	int prio;	1653	int prio;
1594		1654
1595	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1655	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1596	if (AvFILLp (coro_ready [prio]) >= 0)	1656	{
1597	return av_shift (coro_ready [prio]);	1657	struct coro **ready = coro_ready [prio];
		1658
		1659	if (ready [0])
		1660	{
		1661	struct coro *coro = ready [0];
		1662	ready [0] = coro->next_ready;
		1663	return coro;
		1664	}
		1665	}
1598		1666
1599	return 0;	1667	return 0;
1600	}	1668	}
1601		1669
1602	static int	1670	static int
…		…
1666	static void	1734	static void
1667	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1735	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1668	{	1736	{
1669	for (;;)	1737	for (;;)
1670	{	1738	{
1671	SV *next_sv = coro_deq (aTHX);	1739	struct coro *next = coro_deq (aTHX);
1672		1740
1673	if (expect_true (next_sv))	1741	if (expect_true (next))
1674	{	1742	{
1675	struct coro *next = SvSTATE_hv (next_sv);
1676
1677	/* cannot transfer to destroyed coros, skip and look for next */	1743	/* cannot transfer to destroyed coros, skip and look for next */
1678	if (expect_false (next->flags & CF_DESTROYED))	1744	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1679	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1745	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1680	else	1746	else
1681	{	1747	{
1682	next->flags &= ~CF_READY;	1748	next->flags &= ~CF_READY;
1683	--coro_nready;	1749	--coro_nready;
1684		1750
…		…
1862	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1928	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1863	api_ready (aTHX_ sv_manager);	1929	api_ready (aTHX_ sv_manager);
1864		1930
1865	frame->prepare = prepare_schedule;	1931	frame->prepare = prepare_schedule;
1866	frame->check = slf_check_repeat;	1932	frame->check = slf_check_repeat;
		1933
		1934	/* as a minor optimisation, we could unwind all stacks here */
		1935	/* but that puts extra pressure on pp_slf, and is not worth much */
		1936	/coro_unwind_stacks (aTHX);/
1867	}	1937	}
1868		1938
1869	/*****************************************************************************/	1939	/*****************************************************************************/
1870	/* async pool handler */	1940	/* async pool handler */
1871		1941
…		…
1954	SV data = (SV )GENSUB_ARG;	2024	SV data = (SV )GENSUB_ARG;
1955		2025
1956	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2026	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1957	{	2027	{
1958	/* first call, set args */	2028	/* first call, set args */
		2029	SV *coro = SvRV (data);
1959	AV *av = newAV ();	2030	AV *av = newAV ();
1960	SV *coro = SvRV (data);
1961		2031
1962	SvRV_set (data, (SV *)av);	2032	SvRV_set (data, (SV *)av);
1963	api_ready (aTHX_ coro);
1964	SvREFCNT_dec (coro);
1965		2033
1966	/* better take a full copy of the arguments */	2034	/* better take a full copy of the arguments */
1967	while (items--)	2035	while (items--)
1968	av_store (av, items, newSVsv (ST (items)));	2036	av_store (av, items, newSVsv (ST (items)));
		2037
		2038	api_ready (aTHX_ coro);
		2039	SvREFCNT_dec (coro);
1969	}	2040	}
1970		2041
1971	XSRETURN_EMPTY;	2042	XSRETURN_EMPTY;
1972	}	2043	}
1973		2044
…		…
1990		2061
1991	EXTEND (SP, AvFILLp (av) + 1);	2062	EXTEND (SP, AvFILLp (av) + 1);
1992	for (i = 0; i <= AvFILLp (av); ++i)	2063	for (i = 0; i <= AvFILLp (av); ++i)
1993	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2064	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1994		2065
1995	/* we have stolen the elements, so ste length to zero and free */	2066	/* we have stolen the elements, so set length to zero and free */
1996	AvFILLp (av) = -1;	2067	AvFILLp (av) = -1;
1997	av_undef (av);	2068	av_undef (av);
1998		2069
1999	PUTBACK;	2070	PUTBACK;
2000	}	2071	}
…		…
2290		2361
2291	PL_op->op_ppaddr = pp_slf;	2362	PL_op->op_ppaddr = pp_slf;
2292	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2363	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2293		2364
2294	PL_op = (OP *)&slf_restore;	2365	PL_op = (OP *)&slf_restore;
		2366	}
		2367
		2368	/*****************************************************************************/
		2369	/* dynamic wind */
		2370
		2371	static void
		2372	on_enterleave_call (pTHX_ SV *cb)
		2373	{
		2374	dSP;
		2375
		2376	PUSHSTACK;
		2377
		2378	PUSHMARK (SP);
		2379	PUTBACK;
		2380	call_sv (cb, G_VOID \| G_DISCARD);
		2381	SPAGAIN;
		2382
		2383	POPSTACK;
		2384	}
		2385
		2386	static SV *
		2387	coro_avp_pop_and_free (pTHX_ AV **avp)
		2388	{
		2389	AV av = avp;
		2390	SV *res = av_pop (av);
		2391
		2392	if (AvFILLp (av) < 0)
		2393	{
		2394	*avp = 0;
		2395	SvREFCNT_dec (av);
		2396	}
		2397
		2398	return res;
		2399	}
		2400
		2401	static void
		2402	coro_pop_on_enter (pTHX_ void *coro)
		2403	{
		2404	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2405	SvREFCNT_dec (cb);
		2406	}
		2407
		2408	static void
		2409	coro_pop_on_leave (pTHX_ void *coro)
		2410	{
		2411	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2412	on_enterleave_call (aTHX_ sv_2mortal (cb));
2295	}	2413	}
2296		2414
2297	/*****************************************************************************/	2415	/*****************************************************************************/
2298	/* PerlIO::cede */	2416	/* PerlIO::cede */
2299		2417
…		…
2373	/* Coro::Semaphore & Coro::Signal */	2491	/* Coro::Semaphore & Coro::Signal */
2374		2492
2375	static SV *	2493	static SV *
2376	coro_waitarray_new (pTHX_ int count)	2494	coro_waitarray_new (pTHX_ int count)
2377	{	2495	{
2378	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2496	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2379	AV *av = newAV ();	2497	AV *av = newAV ();
2380	SV **ary;	2498	SV **ary;
2381		2499
2382	/* unfortunately, building manually saves memory */	2500	/* unfortunately, building manually saves memory */
2383	Newx (ary, 2, SV *);	2501	Newx (ary, 2, SV *);
…		…
2527	{	2645	{
2528	/* callback form */	2646	/* callback form */
2529	AV av = (AV )SvRV (arg [0]);	2647	AV av = (AV )SvRV (arg [0]);
2530	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2648	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2531		2649
2532	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2650	av_push (av, SvREFCNT_inc_NN (cb_cv));
2533		2651
2534	if (SvIVX (AvARRAY (av)[0]) > 0)	2652	if (SvIVX (AvARRAY (av)[0]) > 0)
2535	coro_semaphore_adjust (aTHX_ av, 0);	2653	coro_semaphore_adjust (aTHX_ av, 0);
2536		2654
2537	frame->prepare = prepare_nop;	2655	frame->prepare = prepare_nop;
…		…
2561	AvARRAY (av)[0] = AvARRAY (av)[1];	2679	AvARRAY (av)[0] = AvARRAY (av)[1];
2562	AvARRAY (av)[1] = cb;	2680	AvARRAY (av)[1] = cb;
2563		2681
2564	cb = av_shift (av);	2682	cb = av_shift (av);
2565		2683
		2684	if (SvTYPE (cb) == SVt_PVCV)
		2685	{
		2686	dSP;
		2687	PUSHMARK (SP);
		2688	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2689	PUTBACK;
		2690	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2691	}
		2692	else
		2693	{
2566	api_ready (aTHX_ cb);	2694	api_ready (aTHX_ cb);
2567	sv_setiv (cb, 0); /* signal waiter */	2695	sv_setiv (cb, 0); /* signal waiter */
		2696	}
		2697
2568	SvREFCNT_dec (cb);	2698	SvREFCNT_dec (cb);
2569		2699
2570	--count;	2700	--count;
2571	}	2701	}
2572	}	2702	}
…		…
2581	static void	2711	static void
2582	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2712	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2583	{	2713	{
2584	AV av = (AV )SvRV (arg [0]);	2714	AV av = (AV )SvRV (arg [0]);
2585		2715
		2716	if (items >= 2)
		2717	{
		2718	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2719	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2720
2586	if (SvIVX (AvARRAY (av)[0]))	2721	if (SvIVX (AvARRAY (av)[0]))
		2722	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2723
		2724	frame->prepare = prepare_nop;
		2725	frame->check = slf_check_nop;
		2726	}
		2727	else if (SvIVX (AvARRAY (av)[0]))
2587	{	2728	{
2588	SvIVX (AvARRAY (av)[0]) = 0;	2729	SvIVX (AvARRAY (av)[0]) = 0;
2589	frame->prepare = prepare_nop;	2730	frame->prepare = prepare_nop;
2590	frame->check = slf_check_nop;	2731	frame->check = slf_check_nop;
2591	}	2732	}
2592	else	2733	else
2593	{	2734	{
2594	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2735	SV waiter = newSVsv (coro_current); / owned by signal av */
2595		2736
2596	av_push (av, waiter);	2737	av_push (av, waiter);
2597		2738
2598	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2739	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2599	frame->prepare = prepare_schedule;	2740	frame->prepare = prepare_schedule;
…		…
2840	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	2981	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2841		2982
2842	nvtime = INT2PTR (double ()(), SvIV (svp));	2983	nvtime = INT2PTR (double ()(), SvIV (svp));
2843	}	2984	}
2844		2985
2845	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2986	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2846	}	2987	}
2847		2988
2848	SV *	2989	SV *
2849	new (char *klass, ...)	2990	new (char *klass, ...)
2850	ALIAS:	2991	ALIAS:
…		…
2925	SV *	3066	SV *
2926	clone (Coro::State coro)	3067	clone (Coro::State coro)
2927	CODE:	3068	CODE:
2928	{	3069	{
2929	#if CORO_CLONE	3070	#if CORO_CLONE
2930	struct coro *ncoro = coro_clone (coro);	3071	struct coro *ncoro = coro_clone (aTHX_ coro);
2931	MAGIC *mg;	3072	MAGIC *mg;
2932	/* TODO: too much duplication */	3073	/* TODO: too much duplication */
2933	ncoro->hv = newHV ();	3074	ncoro->hv = newHV ();
2934	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3075	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2935	mg->mg_flags \|= MGf_DUP;	3076	mg->mg_flags \|= MGf_DUP;
…		…
2997	eval = 1	3138	eval = 1
2998	CODE:	3139	CODE:
2999	{	3140	{
3000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3141	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
3001	{	3142	{
3002	struct coro temp;	3143	struct coro *current = SvSTATE_current;
3003		3144
3004	if (!(coro->flags & CF_RUNNING))	3145	if (current != coro)
3005	{	3146	{
3006	PUTBACK;	3147	PUTBACK;
3007	save_perl (aTHX_ &temp);	3148	save_perl (aTHX_ current);
3008	load_perl (aTHX_ coro);	3149	load_perl (aTHX_ coro);
		3150	SPAGAIN;
3009	}	3151	}
3010		3152
3011	{
3012	dSP;
3013	ENTER;
3014	SAVETMPS;
3015	PUTBACK;
3016	PUSHSTACK;	3153	PUSHSTACK;
		3154
3017	PUSHMARK (SP);	3155	PUSHMARK (SP);
		3156	PUTBACK;
3018		3157
3019	if (ix)	3158	if (ix)
3020	eval_sv (coderef, 0);	3159	eval_sv (coderef, 0);
3021	else	3160	else
3022	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3161	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3023		3162
3024	POPSTACK;	3163	POPSTACK;
3025	SPAGAIN;	3164	SPAGAIN;
3026	FREETMPS;
3027	LEAVE;
3028	PUTBACK;
3029	}
3030		3165
3031	if (!(coro->flags & CF_RUNNING))	3166	if (current != coro)
3032	{	3167	{
		3168	PUTBACK;
3033	save_perl (aTHX_ coro);	3169	save_perl (aTHX_ coro);
3034	load_perl (aTHX_ &temp);	3170	load_perl (aTHX_ current);
3035	SPAGAIN;	3171	SPAGAIN;
3036	}	3172	}
3037	}	3173	}
3038	}	3174	}
3039		3175
…		…
3043	ALIAS:	3179	ALIAS:
3044	is_ready = CF_READY	3180	is_ready = CF_READY
3045	is_running = CF_RUNNING	3181	is_running = CF_RUNNING
3046	is_new = CF_NEW	3182	is_new = CF_NEW
3047	is_destroyed = CF_DESTROYED	3183	is_destroyed = CF_DESTROYED
		3184	is_suspended = CF_SUSPENDED
3048	CODE:	3185	CODE:
3049	RETVAL = boolSV (coro->flags & ix);	3186	RETVAL = boolSV (coro->flags & ix);
3050	OUTPUT:	3187	OUTPUT:
3051	RETVAL	3188	RETVAL
3052		3189
…		…
3056	CODE:	3193	CODE:
3057	{	3194	{
3058	struct coro *current = SvSTATE_current;	3195	struct coro *current = SvSTATE_current;
3059	SV **throwp = self == current ? &CORO_THROW : &self->except;	3196	SV **throwp = self == current ? &CORO_THROW : &self->except;
3060	SvREFCNT_dec (*throwp);	3197	SvREFCNT_dec (*throwp);
		3198	SvGETMAGIC (throw);
3061	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3199	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3062	}	3200	}
3063		3201
3064	void	3202	void
3065	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3203	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3117	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3255	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3118		3256
3119	SV tmp = src; src = dst; *dst = tmp;	3257	SV tmp = src; src = dst; *dst = tmp;
3120	}	3258	}
3121		3259
		3260	void
		3261	cancel (Coro::State self)
		3262	CODE:
		3263	coro_state_destroy (aTHX_ self);
		3264	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3265
3122		3266
3123	MODULE = Coro::State PACKAGE = Coro	3267	MODULE = Coro::State PACKAGE = Coro
3124		3268
3125	BOOT:	3269	BOOT:
3126	{	3270	{
3127	int i;
3128
3129	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3271	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3130	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3272	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3131	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3273	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3132	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3274	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3133	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3275	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3134	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3276	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3135	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3277	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3136	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3278	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
…		…
3141	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3283	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3142	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3284	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3143		3285
3144	coro_stash = gv_stashpv ("Coro", TRUE);	3286	coro_stash = gv_stashpv ("Coro", TRUE);
3145		3287
3146	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3288	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3147	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3289	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3148	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3290	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3149	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3291	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3150	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3292	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3151	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3293	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3152
3153	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3154	coro_ready[i] = newAV ();
3155		3294
3156	{	3295	{
3157	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3296	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3158		3297
3159	coroapi.schedule = api_schedule;	3298	coroapi.schedule = api_schedule;
…		…
3200	cede_notself (...)	3339	cede_notself (...)
3201	CODE:	3340	CODE:
3202	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3341	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3203		3342
3204	void	3343	void
3205	_cancel (Coro::State self)
3206	CODE:
3207	coro_state_destroy (aTHX_ self);
3208	coro_call_on_destroy (aTHX_ self);
3209
3210	void
3211	_set_current (SV *current)	3344	_set_current (SV *current)
3212	PROTOTYPE: $	3345	PROTOTYPE: $
3213	CODE:	3346	CODE:
3214	SvREFCNT_dec (SvRV (coro_current));	3347	SvREFCNT_dec (SvRV (coro_current));
3215	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3348	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3217	void	3350	void
3218	_set_readyhook (SV *hook)	3351	_set_readyhook (SV *hook)
3219	PROTOTYPE: $	3352	PROTOTYPE: $
3220	CODE:	3353	CODE:
3221	SvREFCNT_dec (coro_readyhook);	3354	SvREFCNT_dec (coro_readyhook);
		3355	SvGETMAGIC (hook);
3222	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3356	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3223		3357
3224	int	3358	int
3225	prio (Coro::State coro, int newprio = 0)	3359	prio (Coro::State coro, int newprio = 0)
3226	PROTOTYPE: $;$	3360	PROTOTYPE: $;$
…		…
3257	PROTOTYPE:	3391	PROTOTYPE:
3258	CODE:	3392	CODE:
3259	RETVAL = coro_nready;	3393	RETVAL = coro_nready;
3260	OUTPUT:	3394	OUTPUT:
3261	RETVAL	3395	RETVAL
		3396
		3397	void
		3398	suspend (Coro::State self)
		3399	PROTOTYPE: $
		3400	CODE:
		3401	self->flags \|= CF_SUSPENDED;
		3402
		3403	void
		3404	resume (Coro::State self)
		3405	PROTOTYPE: $
		3406	CODE:
		3407	self->flags &= ~CF_SUSPENDED;
3262		3408
3263	void	3409	void
3264	_pool_handler (...)	3410	_pool_handler (...)
3265	CODE:	3411	CODE:
3266	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3412	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3321	rouse_wait (...)	3467	rouse_wait (...)
3322	PROTOTYPE: ;$	3468	PROTOTYPE: ;$
3323	PPCODE:	3469	PPCODE:
3324	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3470	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3325		3471
		3472	void
		3473	on_enter (SV *block)
		3474	ALIAS:
		3475	on_leave = 1
		3476	PROTOTYPE: &
		3477	CODE:
		3478	{
		3479	struct coro *coro = SvSTATE_current;
		3480	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3481
		3482	block = (SV *)coro_sv_2cv (aTHX_ block);
		3483
		3484	if (!*avp)
		3485	*avp = newAV ();
		3486
		3487	av_push (*avp, SvREFCNT_inc (block));
		3488
		3489	if (!ix)
		3490	on_enterleave_call (aTHX_ block);
		3491
		3492	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3493	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3494	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3495	}
		3496
3326		3497
3327	MODULE = Coro::State PACKAGE = PerlIO::cede	3498	MODULE = Coro::State PACKAGE = PerlIO::cede
3328		3499
3329	BOOT:	3500	BOOT:
3330	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3501	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3333	MODULE = Coro::State PACKAGE = Coro::Semaphore	3504	MODULE = Coro::State PACKAGE = Coro::Semaphore
3334		3505
3335	SV *	3506	SV *
3336	new (SV klass, SV count = 0)	3507	new (SV klass, SV count = 0)
3337	CODE:	3508	CODE:
		3509	{
		3510	int semcnt = 1;
		3511
		3512	if (count)
		3513	{
		3514	SvGETMAGIC (count);
		3515
		3516	if (SvOK (count))
		3517	semcnt = SvIV (count);
		3518	}
		3519
3338	RETVAL = sv_bless (	3520	RETVAL = sv_bless (
3339	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3521	coro_waitarray_new (aTHX_ semcnt),
3340	GvSTASH (CvGV (cv))	3522	GvSTASH (CvGV (cv))
3341	);	3523	);
		3524	}
3342	OUTPUT:	3525	OUTPUT:
3343	RETVAL	3526	RETVAL
3344		3527
3345	# helper for Coro::Channel	3528	# helper for Coro::Channel and others
3346	SV *	3529	SV *
3347	_alloc (int count)	3530	_alloc (int count)
3348	CODE:	3531	CODE:
3349	RETVAL = coro_waitarray_new (aTHX_ count);	3532	RETVAL = coro_waitarray_new (aTHX_ count);
3350	OUTPUT:	3533	OUTPUT:
…		…
3408	for (i = 1; i <= wcount; ++i)	3591	for (i = 1; i <= wcount; ++i)
3409	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3592	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3410	}	3593	}
3411	}	3594	}
3412		3595
		3596	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3597
		3598	void
		3599	_may_delete (SV *sem, int count, int extra_refs)
		3600	PPCODE:
		3601	{
		3602	AV av = (AV )SvRV (sem);
		3603
		3604	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3605	&& AvFILLp (av) == 0 /* no waiters, just count */
		3606	&& SvIV (AvARRAY (av)[0]) == count)
		3607	XSRETURN_YES;
		3608
		3609	XSRETURN_NO;
		3610	}
		3611
3413	MODULE = Coro::State PACKAGE = Coro::Signal	3612	MODULE = Coro::State PACKAGE = Coro::Signal
3414		3613
3415	SV *	3614	SV *
3416	new (SV *klass)	3615	new (SV *klass)
3417	CODE:	3616	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.332 by root, Thu Nov 27 12:20:31 2008 UTC vs. Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.332 by root, Thu Nov 27 12:20:31 2008 UTC vs.
Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC