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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 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
…		…
159	# if CORO_PTHREAD	159	# if CORO_PTHREAD
160	static void *coro_thx;	160	static void *coro_thx;
161	# endif	161	# endif
162	#endif	162	#endif
163		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
		171	# endif
		172	#endif
		173
164	static double (nvtime)(); / so why doesn't it take void? */	174	static double (nvtime)(); / so why doesn't it take void? */
		175	static void (*u2time)(pTHX_ UV ret[2]);
165		176
166	/* we hijack an hopefully unused CV flag for our purposes */	177	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	178	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	179	static OP *pp_slf (pTHX);
169		180
…		…
195	static CV *cv_coro_state_new;	206	static CV *cv_coro_state_new;
196		207
197	/* Coro::AnyEvent */	208	/* Coro::AnyEvent */
198	static SV *sv_activity;	209	static SV *sv_activity;
199		210
		211	/* enable processtime/realtime profiling */
		212	static char enable_times;
		213	typedef U32 coro_ts[2];
		214	static coro_ts time_real, time_cpu;
		215	static char times_valid;
		216
200	static struct coro_cctx *cctx_first;	217	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	218	static int cctx_count, cctx_idle;
202		219
203	enum {	220	enum {
204	CC_MAPPED = 0x01,	221	CC_MAPPED = 0x01,
…		…
238	enum {	255	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	256	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	257	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	258	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	259	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		260	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	261	};
244		262
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	263	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	264	typedef struct
247	{	265	{
…		…
260	/* this is a structure representing a perl-level coroutine */	278	/* this is a structure representing a perl-level coroutine */
261	struct coro {	279	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	280	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	281	coro_cctx *cctx;
264		282
		283	/* ready queue */
		284	struct coro *next_ready;
		285
265	/* state data */	286	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	287	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	288	AV *mainstack;
268	perl_slots slot; / basically the saved sp */	289	perl_slots slot; / basically the saved sp */
269		290
…		…
285	/* async_pool */	306	/* async_pool */
286	SV *saved_deffh;	307	SV *saved_deffh;
287	SV *invoke_cb;	308	SV *invoke_cb;
288	AV *invoke_av;	309	AV *invoke_av;
289		310
		311	/* on_enter/on_leave */
		312	AV *on_enter;
		313	AV *on_leave;
		314
		315	/* times */
		316	coro_ts t_cpu, t_real;
		317
290	/* linked list */	318	/* linked list */
291	struct coro next, prev;	319	struct coro next, prev;
292	};	320	};
293		321
294	typedef struct coro *Coro__State;	322	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	327	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	328	static struct CoroSLF slf_frame; /* the current slf frame */
301		329
302	/ Coro ******************************************************************/	330	/ Coro ******************************************************************/
303		331
304	#define PRIO_MAX 3	332	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	333	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	334	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	335	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	336	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	337	#define CORO_PRIO_MIN -4
310		338
311	/* for Coro.pm */	339	/* for Coro.pm */
312	static SV *coro_current;	340	static SV *coro_current;
313	static SV *coro_readyhook;	341	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	342	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
315	static CV cv_coro_run, cv_coro_terminate;	343	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	344	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	345	#define coro_nready coroapi.nready
318		346
319	/ lowlevel stuff ********************************************************/	347	/ lowlevel stuff ********************************************************/
…		…
352	INLINE CV *	380	INLINE CV *
353	coro_sv_2cv (pTHX_ SV *sv)	381	coro_sv_2cv (pTHX_ SV *sv)
354	{	382	{
355	HV *st;	383	HV *st;
356	GV *gvp;	384	GV *gvp;
357	return sv_2cv (sv, &st, &gvp, 0);	385	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		386
		387	if (!cv)
		388	croak ("code reference expected");
		389
		390	return cv;
		391	}
		392
		393	INLINE void
		394	coro_times_update ()
		395	{
		396	#ifdef coro_clock_gettime
		397	struct timespec ts;
		398
		399	ts.tv_sec = ts.tv_nsec = 0;
		400	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		401	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		402
		403	ts.tv_sec = ts.tv_nsec = 0;
		404	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		405	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		406	#else
		407	UV tv[2];
		408
		409	u2time (aTHX_ &tv);
		410	time_real [0] = tv [0];
		411	time_real [1] = tv [1] * 1000;
		412	#endif
		413	}
		414
		415	INLINE void
		416	coro_times_add (struct coro *c)
		417	{
		418	c->t_real [1] += time_real [1];
		419	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		420	c->t_real [0] += time_real [0];
		421
		422	c->t_cpu [1] += time_cpu [1];
		423	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		424	c->t_cpu [0] += time_cpu [0];
		425	}
		426
		427	INLINE void
		428	coro_times_sub (struct coro *c)
		429	{
		430	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		431	c->t_real [1] -= time_real [1];
		432	c->t_real [0] -= time_real [0];
		433
		434	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		435	c->t_cpu [1] -= time_cpu [1];
		436	c->t_cpu [0] -= time_cpu [0];
358	}	437	}
359		438
360	/*****************************************************************************/	439	/*****************************************************************************/
361	/* magic glue */	440	/* magic glue */
362		441
…		…
462	static int	541	static int
463	coro_cv_free (pTHX_ SV sv, MAGIC mg)	542	coro_cv_free (pTHX_ SV sv, MAGIC mg)
464	{	543	{
465	AV *padlist;	544	AV *padlist;
466	AV av = (AV )mg->mg_obj;	545	AV av = (AV )mg->mg_obj;
		546
		547	/* perl manages to free our internal AV and _then_ call us */
		548	if (IN_DESTRUCT)
		549	return;
467		550
468	/* casting is fun. */	551	/* casting is fun. */
469	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	552	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
470	free_padlist (aTHX_ padlist);	553	free_padlist (aTHX_ padlist);
471		554
…		…
521	}	604	}
522		605
523	/ load & save, init *****************************************************/	606	/ load & save, init *****************************************************/
524		607
525	static void	608	static void
		609	on_enterleave_call (pTHX_ SV *cb);
		610
		611	static void
526	load_perl (pTHX_ Coro__State c)	612	load_perl (pTHX_ Coro__State c)
527	{	613	{
528	perl_slots *slot = c->slot;	614	perl_slots *slot = c->slot;
529	c->slot = 0;	615	c->slot = 0;
530		616
…		…
556	PUTBACK;	642	PUTBACK;
557	}	643	}
558		644
559	slf_frame = c->slf_frame;	645	slf_frame = c->slf_frame;
560	CORO_THROW = c->except;	646	CORO_THROW = c->except;
		647
		648	if (expect_false (enable_times))
		649	{
		650	if (expect_false (!times_valid))
		651	coro_times_update ();
		652
		653	coro_times_sub (c);
		654	}
		655
		656	if (expect_false (c->on_enter))
		657	{
		658	int i;
		659
		660	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		661	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		662	}
561	}	663	}
562		664
563	static void	665	static void
564	save_perl (pTHX_ Coro__State c)	666	save_perl (pTHX_ Coro__State c)
565	{	667	{
		668	if (expect_false (c->on_leave))
		669	{
		670	int i;
		671
		672	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		673	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		674	}
		675
		676	times_valid = 0;
		677
		678	if (expect_false (enable_times))
		679	{
		680	coro_times_update (); times_valid = 1;
		681	coro_times_add (c);
		682	}
		683
566	c->except = CORO_THROW;	684	c->except = CORO_THROW;
567	c->slf_frame = slf_frame;	685	c->slf_frame = slf_frame;
568		686
569	{	687	{
570	dSP;	688	dSP;
…		…
583	{	701	{
584	while (expect_true (cxix >= 0))	702	while (expect_true (cxix >= 0))
585	{	703	{
586	PERL_CONTEXT *cx = &ccstk[cxix--];	704	PERL_CONTEXT *cx = &ccstk[cxix--];
587		705
588	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	706	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
589	{	707	{
590	CV *cv = cx->blk_sub.cv;	708	CV *cv = cx->blk_sub.cv;
591		709
592	if (expect_true (CvDEPTH (cv)))	710	if (expect_true (CvDEPTH (cv)))
593	{	711	{
…		…
769	#endif	887	#endif
770		888
771	/*	889	/*
772	* This overrides the default magic get method of %SIG elements.	890	* 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	891	* 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	892	* and instead of trying to save and restore the hash elements, we just provide
775	* readback here.	893	* 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	*/	894	*/
780	static int	895	static int
781	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	896	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
782	{	897	{
783	const char *s = MgPV_nolen_const (mg);	898	const char *s = MgPV_nolen_const (mg);
…		…
836	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	951	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837		952
838	if (svp)	953	if (svp)
839	{	954	{
840	SV old = svp;	955	SV old = svp;
841	*svp = newSVsv (sv);	956	*svp = SvOK (sv) ? newSVsv (sv) : 0;
842	SvREFCNT_dec (old);	957	SvREFCNT_dec (old);
843	return 0;	958	return 0;
844	}	959	}
845	}	960	}
846		961
…		…
935		1050
936	PL_op = (OP *)&coro_setup_op;	1051	PL_op = (OP *)&coro_setup_op;
937		1052
938	/* copy throw, in case it was set before coro_setup */	1053	/* copy throw, in case it was set before coro_setup */
939	CORO_THROW = coro->except;	1054	CORO_THROW = coro->except;
940	}
941		1055
		1056	if (expect_false (enable_times))
		1057	{
		1058	coro_times_update ();
		1059	coro_times_sub (coro);
		1060	}
		1061	}
		1062
942	static void	1063	static void
943	coro_destruct_perl (pTHX_ struct coro *coro)	1064	coro_unwind_stacks (pTHX)
944	{	1065	{
945	if (!IN_DESTRUCT)	1066	if (!IN_DESTRUCT)
946	{	1067	{
947	/* restore all saved variables and stuff */	1068	/* restore all saved variables and stuff */
948	LEAVE_SCOPE (0);	1069	LEAVE_SCOPE (0);
…		…
956	POPSTACK_TO (PL_mainstack);	1077	POPSTACK_TO (PL_mainstack);
957		1078
958	/* unwind main stack */	1079	/* unwind main stack */
959	dounwind (-1);	1080	dounwind (-1);
960	}	1081	}
		1082	}
961		1083
962	SvREFCNT_dec (GvSV (PL_defgv));	1084	static void
963	SvREFCNT_dec (GvAV (PL_defgv));	1085	coro_destruct_perl (pTHX_ struct coro *coro)
964	SvREFCNT_dec (GvSV (PL_errgv));	1086	{
965	SvREFCNT_dec (PL_defoutgv);	1087	SV *svf [9];
966	SvREFCNT_dec (PL_rs);
967	SvREFCNT_dec (GvSV (irsgv));
968	SvREFCNT_dec (GvHV (PL_hintgv));
969		1088
970	SvREFCNT_dec (PL_diehook);
971	SvREFCNT_dec (PL_warnhook);
972		1089	{
		1090	struct coro *current = SvSTATE_current;
		1091
		1092	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1093
		1094	save_perl (aTHX_ current);
		1095	load_perl (aTHX_ coro);
		1096
		1097	coro_unwind_stacks (aTHX);
		1098	coro_destruct_stacks (aTHX);
		1099
		1100	// now save some sv's to be free'd later
		1101	svf [0] = GvSV (PL_defgv);
		1102	svf [1] = (SV *)GvAV (PL_defgv);
		1103	svf [2] = GvSV (PL_errgv);
		1104	svf [3] = (SV *)PL_defoutgv;
		1105	svf [4] = PL_rs;
		1106	svf [5] = GvSV (irsgv);
		1107	svf [6] = (SV *)GvHV (PL_hintgv);
		1108	svf [7] = PL_diehook;
		1109	svf [8] = PL_warnhook;
		1110	assert (9 == sizeof (svf) / sizeof (*svf));
		1111
		1112	load_perl (aTHX_ current);
		1113	}
		1114
		1115	{
		1116	int i;
		1117
		1118	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1119	SvREFCNT_dec (svf [i]);
		1120
973	SvREFCNT_dec (coro->saved_deffh);	1121	SvREFCNT_dec (coro->saved_deffh);
974	SvREFCNT_dec (coro->rouse_cb);	1122	SvREFCNT_dec (coro->rouse_cb);
975	SvREFCNT_dec (coro->invoke_cb);	1123	SvREFCNT_dec (coro->invoke_cb);
976	SvREFCNT_dec (coro->invoke_av);	1124	SvREFCNT_dec (coro->invoke_av);
977		1125	}
978	coro_destruct_stacks (aTHX);
979	}	1126	}
980		1127
981	INLINE void	1128	INLINE void
982	free_coro_mortal (pTHX)	1129	free_coro_mortal (pTHX)
983	{	1130	{
…		…
1277	cctx_destroy (coro_cctx *cctx)	1424	cctx_destroy (coro_cctx *cctx)
1278	{	1425	{
1279	if (!cctx)	1426	if (!cctx)
1280	return;	1427	return;
1281		1428
1282	assert (cctx != cctx_current);//D temporary	1429	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1283		1430
1284	--cctx_count;	1431	--cctx_count;
1285	coro_destroy (&cctx->cctx);	1432	coro_destroy (&cctx->cctx);
1286		1433
1287	/* coro_transfer creates new, empty cctx's */	1434	/* coro_transfer creates new, empty cctx's */
…		…
1351	/* TODO: throwing up here is considered harmful */	1498	/* TODO: throwing up here is considered harmful */
1352		1499
1353	if (expect_true (prev != next))	1500	if (expect_true (prev != next))
1354	{	1501	{
1355	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1502	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,");	1503	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357		1504
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))	1505	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,");	1506	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363		1507
1364	#if !PERL_VERSION_ATLEAST (5,10,0)	1508	#if !PERL_VERSION_ATLEAST (5,10,0)
1365	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1509	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,");	1510	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367	#endif	1511	#endif
…		…
1405	coro_setup (aTHX_ next);	1549	coro_setup (aTHX_ next);
1406	}	1550	}
1407	else	1551	else
1408	load_perl (aTHX_ next);	1552	load_perl (aTHX_ next);
1409		1553
1410	assert (!prev->cctx);//D temporary
1411
1412	/* possibly untie and reuse the cctx */	1554	/* possibly untie and reuse the cctx */
1413	if (expect_true (	1555	if (expect_true (
1414	cctx_current->idle_sp == STACKLEVEL	1556	cctx_current->idle_sp == STACKLEVEL
1415	&& !(cctx_current->flags & CC_TRACE)	1557	&& !(cctx_current->flags & CC_TRACE)
1416	&& !force_cctx	1558	&& !force_cctx
…		…
1457	coro_state_destroy (pTHX_ struct coro *coro)	1599	coro_state_destroy (pTHX_ struct coro *coro)
1458	{	1600	{
1459	if (coro->flags & CF_DESTROYED)	1601	if (coro->flags & CF_DESTROYED)
1460	return 0;	1602	return 0;
1461		1603
1462	if (coro->on_destroy)	1604	if (coro->on_destroy && !PL_dirty)
1463	coro->on_destroy (aTHX_ coro);	1605	coro->on_destroy (aTHX_ coro);
1464		1606
1465	coro->flags \|= CF_DESTROYED;	1607	coro->flags \|= CF_DESTROYED;
1466		1608
1467	if (coro->flags & CF_READY)	1609	if (coro->flags & CF_READY)
…		…
1473	else	1615	else
1474	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1616	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1475		1617
1476	if (coro->mainstack	1618	if (coro->mainstack
1477	&& coro->mainstack != main_mainstack	1619	&& coro->mainstack != main_mainstack
		1620	&& coro->slot
1478	&& !PL_dirty)	1621	&& !PL_dirty)
1479	{
1480	struct coro temp;
1481
1482	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1483
1484	save_perl (aTHX_ &temp);
1485	load_perl (aTHX_ coro);
1486
1487	coro_destruct_perl (aTHX_ coro);	1622	coro_destruct_perl (aTHX_ coro);
1488
1489	load_perl (aTHX_ &temp);
1490
1491	coro->slot = 0;
1492	}
1493		1623
1494	cctx_destroy (coro->cctx);	1624	cctx_destroy (coro->cctx);
1495	SvREFCNT_dec (coro->startcv);	1625	SvREFCNT_dec (coro->startcv);
1496	SvREFCNT_dec (coro->args);	1626	SvREFCNT_dec (coro->args);
1497	SvREFCNT_dec (CORO_THROW);	1627	SvREFCNT_dec (CORO_THROW);
…		…
1584	/ Coro ******************************************************************/	1714	/ Coro ******************************************************************/
1585		1715
1586	INLINE void	1716	INLINE void
1587	coro_enq (pTHX_ struct coro *coro)	1717	coro_enq (pTHX_ struct coro *coro)
1588	{	1718	{
1589	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1719	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1590	}
1591		1720
1592	INLINE SV *	1721	SvREFCNT_inc_NN (coro->hv);
		1722
		1723	coro->next_ready = 0;
		1724	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1725	ready [1] = coro;
		1726	}
		1727
		1728	INLINE struct coro *
1593	coro_deq (pTHX)	1729	coro_deq (pTHX)
1594	{	1730	{
1595	int prio;	1731	int prio;
1596		1732
1597	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1733	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1598	if (AvFILLp (coro_ready [prio]) >= 0)	1734	{
1599	return av_shift (coro_ready [prio]);	1735	struct coro **ready = coro_ready [prio];
		1736
		1737	if (ready [0])
		1738	{
		1739	struct coro *coro = ready [0];
		1740	ready [0] = coro->next_ready;
		1741	return coro;
		1742	}
		1743	}
1600		1744
1601	return 0;	1745	return 0;
1602	}	1746	}
1603		1747
1604	static int	1748	static int
…		…
1668	static void	1812	static void
1669	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1813	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1670	{	1814	{
1671	for (;;)	1815	for (;;)
1672	{	1816	{
1673	SV *next_sv = coro_deq (aTHX);	1817	struct coro *next = coro_deq (aTHX);
1674		1818
1675	if (expect_true (next_sv))	1819	if (expect_true (next))
1676	{	1820	{
1677	struct coro *next = SvSTATE_hv (next_sv);
1678
1679	/* cannot transfer to destroyed coros, skip and look for next */	1821	/* cannot transfer to destroyed coros, skip and look for next */
1680	if (expect_false (next->flags & CF_DESTROYED))	1822	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1681	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1823	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1682	else	1824	else
1683	{	1825	{
1684	next->flags &= ~CF_READY;	1826	next->flags &= ~CF_READY;
1685	--coro_nready;	1827	--coro_nready;
1686		1828
…		…
1864	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	2006	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1865	api_ready (aTHX_ sv_manager);	2007	api_ready (aTHX_ sv_manager);
1866		2008
1867	frame->prepare = prepare_schedule;	2009	frame->prepare = prepare_schedule;
1868	frame->check = slf_check_repeat;	2010	frame->check = slf_check_repeat;
		2011
		2012	/* as a minor optimisation, we could unwind all stacks here */
		2013	/* but that puts extra pressure on pp_slf, and is not worth much */
		2014	/coro_unwind_stacks (aTHX);/
1869	}	2015	}
1870		2016
1871	/*****************************************************************************/	2017	/*****************************************************************************/
1872	/* async pool handler */	2018	/* async pool handler */
1873		2019
…		…
1956	SV data = (SV )GENSUB_ARG;	2102	SV data = (SV )GENSUB_ARG;
1957		2103
1958	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2104	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1959	{	2105	{
1960	/* first call, set args */	2106	/* first call, set args */
		2107	SV *coro = SvRV (data);
1961	AV *av = newAV ();	2108	AV *av = newAV ();
1962	SV *coro = SvRV (data);
1963		2109
1964	SvRV_set (data, (SV *)av);	2110	SvRV_set (data, (SV *)av);
1965	api_ready (aTHX_ coro);
1966	SvREFCNT_dec (coro);
1967		2111
1968	/* better take a full copy of the arguments */	2112	/* better take a full copy of the arguments */
1969	while (items--)	2113	while (items--)
1970	av_store (av, items, newSVsv (ST (items)));	2114	av_store (av, items, newSVsv (ST (items)));
		2115
		2116	api_ready (aTHX_ coro);
		2117	SvREFCNT_dec (coro);
1971	}	2118	}
1972		2119
1973	XSRETURN_EMPTY;	2120	XSRETURN_EMPTY;
1974	}	2121	}
1975		2122
…		…
1992		2139
1993	EXTEND (SP, AvFILLp (av) + 1);	2140	EXTEND (SP, AvFILLp (av) + 1);
1994	for (i = 0; i <= AvFILLp (av); ++i)	2141	for (i = 0; i <= AvFILLp (av); ++i)
1995	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2142	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1996		2143
1997	/* we have stolen the elements, so ste length to zero and free */	2144	/* we have stolen the elements, so set length to zero and free */
1998	AvFILLp (av) = -1;	2145	AvFILLp (av) = -1;
1999	av_undef (av);	2146	av_undef (av);
2000		2147
2001	PUTBACK;	2148	PUTBACK;
2002	}	2149	}
…		…
2292		2439
2293	PL_op->op_ppaddr = pp_slf;	2440	PL_op->op_ppaddr = pp_slf;
2294	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2441	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2295		2442
2296	PL_op = (OP *)&slf_restore;	2443	PL_op = (OP *)&slf_restore;
		2444	}
		2445
		2446	/*****************************************************************************/
		2447	/* dynamic wind */
		2448
		2449	static void
		2450	on_enterleave_call (pTHX_ SV *cb)
		2451	{
		2452	dSP;
		2453
		2454	PUSHSTACK;
		2455
		2456	PUSHMARK (SP);
		2457	PUTBACK;
		2458	call_sv (cb, G_VOID \| G_DISCARD);
		2459	SPAGAIN;
		2460
		2461	POPSTACK;
		2462	}
		2463
		2464	static SV *
		2465	coro_avp_pop_and_free (pTHX_ AV **avp)
		2466	{
		2467	AV av = avp;
		2468	SV *res = av_pop (av);
		2469
		2470	if (AvFILLp (av) < 0)
		2471	{
		2472	*avp = 0;
		2473	SvREFCNT_dec (av);
		2474	}
		2475
		2476	return res;
		2477	}
		2478
		2479	static void
		2480	coro_pop_on_enter (pTHX_ void *coro)
		2481	{
		2482	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2483	SvREFCNT_dec (cb);
		2484	}
		2485
		2486	static void
		2487	coro_pop_on_leave (pTHX_ void *coro)
		2488	{
		2489	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2490	on_enterleave_call (aTHX_ sv_2mortal (cb));
2297	}	2491	}
2298		2492
2299	/*****************************************************************************/	2493	/*****************************************************************************/
2300	/* PerlIO::cede */	2494	/* PerlIO::cede */
2301		2495
…		…
2375	/* Coro::Semaphore & Coro::Signal */	2569	/* Coro::Semaphore & Coro::Signal */
2376		2570
2377	static SV *	2571	static SV *
2378	coro_waitarray_new (pTHX_ int count)	2572	coro_waitarray_new (pTHX_ int count)
2379	{	2573	{
2380	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2574	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2381	AV *av = newAV ();	2575	AV *av = newAV ();
2382	SV **ary;	2576	SV **ary;
2383		2577
2384	/* unfortunately, building manually saves memory */	2578	/* unfortunately, building manually saves memory */
2385	Newx (ary, 2, SV *);	2579	Newx (ary, 2, SV *);
…		…
2529	{	2723	{
2530	/* callback form */	2724	/* callback form */
2531	AV av = (AV )SvRV (arg [0]);	2725	AV av = (AV )SvRV (arg [0]);
2532	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2726	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2533		2727
2534	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2728	av_push (av, SvREFCNT_inc_NN (cb_cv));
2535		2729
2536	if (SvIVX (AvARRAY (av)[0]) > 0)	2730	if (SvIVX (AvARRAY (av)[0]) > 0)
2537	coro_semaphore_adjust (aTHX_ av, 0);	2731	coro_semaphore_adjust (aTHX_ av, 0);
2538		2732
2539	frame->prepare = prepare_nop;	2733	frame->prepare = prepare_nop;
…		…
2563	AvARRAY (av)[0] = AvARRAY (av)[1];	2757	AvARRAY (av)[0] = AvARRAY (av)[1];
2564	AvARRAY (av)[1] = cb;	2758	AvARRAY (av)[1] = cb;
2565		2759
2566	cb = av_shift (av);	2760	cb = av_shift (av);
2567		2761
		2762	if (SvTYPE (cb) == SVt_PVCV)
		2763	{
		2764	dSP;
		2765	PUSHMARK (SP);
		2766	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2767	PUTBACK;
		2768	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2769	}
		2770	else
		2771	{
2568	api_ready (aTHX_ cb);	2772	api_ready (aTHX_ cb);
2569	sv_setiv (cb, 0); /* signal waiter */	2773	sv_setiv (cb, 0); /* signal waiter */
		2774	}
		2775
2570	SvREFCNT_dec (cb);	2776	SvREFCNT_dec (cb);
2571		2777
2572	--count;	2778	--count;
2573	}	2779	}
2574	}	2780	}
…		…
2583	static void	2789	static void
2584	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2790	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2585	{	2791	{
2586	AV av = (AV )SvRV (arg [0]);	2792	AV av = (AV )SvRV (arg [0]);
2587		2793
		2794	if (items >= 2)
		2795	{
		2796	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2797	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2798
2588	if (SvIVX (AvARRAY (av)[0]))	2799	if (SvIVX (AvARRAY (av)[0]))
		2800	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2801
		2802	frame->prepare = prepare_nop;
		2803	frame->check = slf_check_nop;
		2804	}
		2805	else if (SvIVX (AvARRAY (av)[0]))
2589	{	2806	{
2590	SvIVX (AvARRAY (av)[0]) = 0;	2807	SvIVX (AvARRAY (av)[0]) = 0;
2591	frame->prepare = prepare_nop;	2808	frame->prepare = prepare_nop;
2592	frame->check = slf_check_nop;	2809	frame->check = slf_check_nop;
2593	}	2810	}
2594	else	2811	else
2595	{	2812	{
2596	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2813	SV waiter = newSVsv (coro_current); / owned by signal av */
2597		2814
2598	av_push (av, waiter);	2815	av_push (av, waiter);
2599		2816
2600	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2817	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2601	frame->prepare = prepare_schedule;	2818	frame->prepare = prepare_schedule;
…		…
2840		3057
2841	if (!svp) croak ("Time::HiRes is required");	3058	if (!svp) croak ("Time::HiRes is required");
2842	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3059	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2843		3060
2844	nvtime = INT2PTR (double ()(), SvIV (svp));	3061	nvtime = INT2PTR (double ()(), SvIV (svp));
		3062
		3063	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3064	u2time = INT2PTR (double ()(), SvIV (svp));
2845	}	3065	}
2846		3066
2847	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3067	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2848	}	3068	}
2849		3069
2850	SV *	3070	SV *
2851	new (char *klass, ...)	3071	new (char *klass, ...)
2852	ALIAS:	3072	ALIAS:
…		…
2999	eval = 1	3219	eval = 1
3000	CODE:	3220	CODE:
3001	{	3221	{
3002	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3222	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
3003	{	3223	{
3004	struct coro temp;	3224	struct coro *current = SvSTATE_current;
3005		3225
3006	if (!(coro->flags & CF_RUNNING))	3226	if (current != coro)
3007	{	3227	{
3008	PUTBACK;	3228	PUTBACK;
3009	save_perl (aTHX_ &temp);	3229	save_perl (aTHX_ current);
3010	load_perl (aTHX_ coro);	3230	load_perl (aTHX_ coro);
		3231	SPAGAIN;
3011	}	3232	}
3012		3233
3013	{
3014	dSP;
3015	ENTER;
3016	SAVETMPS;
3017	PUTBACK;
3018	PUSHSTACK;	3234	PUSHSTACK;
		3235
3019	PUSHMARK (SP);	3236	PUSHMARK (SP);
		3237	PUTBACK;
3020		3238
3021	if (ix)	3239	if (ix)
3022	eval_sv (coderef, 0);	3240	eval_sv (coderef, 0);
3023	else	3241	else
3024	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3242	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3025		3243
3026	POPSTACK;	3244	POPSTACK;
3027	SPAGAIN;	3245	SPAGAIN;
3028	FREETMPS;
3029	LEAVE;
3030	PUTBACK;
3031	}
3032		3246
3033	if (!(coro->flags & CF_RUNNING))	3247	if (current != coro)
3034	{	3248	{
		3249	PUTBACK;
3035	save_perl (aTHX_ coro);	3250	save_perl (aTHX_ coro);
3036	load_perl (aTHX_ &temp);	3251	load_perl (aTHX_ current);
3037	SPAGAIN;	3252	SPAGAIN;
3038	}	3253	}
3039	}	3254	}
3040	}	3255	}
3041		3256
…		…
3045	ALIAS:	3260	ALIAS:
3046	is_ready = CF_READY	3261	is_ready = CF_READY
3047	is_running = CF_RUNNING	3262	is_running = CF_RUNNING
3048	is_new = CF_NEW	3263	is_new = CF_NEW
3049	is_destroyed = CF_DESTROYED	3264	is_destroyed = CF_DESTROYED
		3265	is_suspended = CF_SUSPENDED
3050	CODE:	3266	CODE:
3051	RETVAL = boolSV (coro->flags & ix);	3267	RETVAL = boolSV (coro->flags & ix);
3052	OUTPUT:	3268	OUTPUT:
3053	RETVAL	3269	RETVAL
3054		3270
…		…
3058	CODE:	3274	CODE:
3059	{	3275	{
3060	struct coro *current = SvSTATE_current;	3276	struct coro *current = SvSTATE_current;
3061	SV **throwp = self == current ? &CORO_THROW : &self->except;	3277	SV **throwp = self == current ? &CORO_THROW : &self->except;
3062	SvREFCNT_dec (*throwp);	3278	SvREFCNT_dec (*throwp);
		3279	SvGETMAGIC (throw);
3063	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3280	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3064	}	3281	}
3065		3282
3066	void	3283	void
3067	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3284	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3119	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3336	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3120		3337
3121	SV tmp = src; src = dst; *dst = tmp;	3338	SV tmp = src; src = dst; *dst = tmp;
3122	}	3339	}
3123		3340
		3341	void
		3342	cancel (Coro::State self)
		3343	CODE:
		3344	coro_state_destroy (aTHX_ self);
		3345	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3346
		3347
		3348	SV *
		3349	enable_times (int enabled = enable_times)
		3350	CODE:
		3351	{
		3352	RETVAL = boolSV (enable_times);
		3353
		3354	if (enabled != enable_times)
		3355	{
		3356	enable_times = enabled;
		3357
		3358	coro_times_update ();
		3359	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3360	}
		3361	}
		3362	OUTPUT:
		3363	RETVAL
		3364
		3365	void
		3366	times (Coro::State self)
		3367	PPCODE:
		3368	{
		3369	struct coro *current = SvSTATE (coro_current);
		3370
		3371	if (expect_false (current == self))
		3372	{
		3373	coro_times_update ();
		3374	coro_times_add (SvSTATE (coro_current));
		3375	}
		3376
		3377	EXTEND (SP, 2);
		3378	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3379	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3380
		3381	if (expect_false (current == self))
		3382	coro_times_sub (SvSTATE (coro_current));
		3383	}
3124		3384
3125	MODULE = Coro::State PACKAGE = Coro	3385	MODULE = Coro::State PACKAGE = Coro
3126		3386
3127	BOOT:	3387	BOOT:
3128	{	3388	{
3129	int i;
3130
3131	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3389	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3132	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3390	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3133	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	3391	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3134	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3392	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3135	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3393	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
…		…
3143	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3401	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3144	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3402	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3145		3403
3146	coro_stash = gv_stashpv ("Coro", TRUE);	3404	coro_stash = gv_stashpv ("Coro", TRUE);
3147		3405
3148	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3406	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3149	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3407	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3150	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3408	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3151	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3409	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3152	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3410	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3153	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3411	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3154
3155	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3156	coro_ready[i] = newAV ();
3157		3412
3158	{	3413	{
3159	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3414	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3160		3415
3161	coroapi.schedule = api_schedule;	3416	coroapi.schedule = api_schedule;
…		…
3202	cede_notself (...)	3457	cede_notself (...)
3203	CODE:	3458	CODE:
3204	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3459	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3205		3460
3206	void	3461	void
3207	_cancel (Coro::State self)
3208	CODE:
3209	coro_state_destroy (aTHX_ self);
3210	coro_call_on_destroy (aTHX_ self);
3211
3212	void
3213	_set_current (SV *current)	3462	_set_current (SV *current)
3214	PROTOTYPE: $	3463	PROTOTYPE: $
3215	CODE:	3464	CODE:
3216	SvREFCNT_dec (SvRV (coro_current));	3465	SvREFCNT_dec (SvRV (coro_current));
3217	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3466	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3219	void	3468	void
3220	_set_readyhook (SV *hook)	3469	_set_readyhook (SV *hook)
3221	PROTOTYPE: $	3470	PROTOTYPE: $
3222	CODE:	3471	CODE:
3223	SvREFCNT_dec (coro_readyhook);	3472	SvREFCNT_dec (coro_readyhook);
		3473	SvGETMAGIC (hook);
3224	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3474	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3225		3475
3226	int	3476	int
3227	prio (Coro::State coro, int newprio = 0)	3477	prio (Coro::State coro, int newprio = 0)
3228	PROTOTYPE: $;$	3478	PROTOTYPE: $;$
…		…
3235	if (items > 1)	3485	if (items > 1)
3236	{	3486	{
3237	if (ix)	3487	if (ix)
3238	newprio = coro->prio - newprio;	3488	newprio = coro->prio - newprio;
3239		3489
3240	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3490	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3241	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3491	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3242		3492
3243	coro->prio = newprio;	3493	coro->prio = newprio;
3244	}	3494	}
3245	}	3495	}
3246	OUTPUT:	3496	OUTPUT:
…		…
3259	PROTOTYPE:	3509	PROTOTYPE:
3260	CODE:	3510	CODE:
3261	RETVAL = coro_nready;	3511	RETVAL = coro_nready;
3262	OUTPUT:	3512	OUTPUT:
3263	RETVAL	3513	RETVAL
		3514
		3515	void
		3516	suspend (Coro::State self)
		3517	PROTOTYPE: $
		3518	CODE:
		3519	self->flags \|= CF_SUSPENDED;
		3520
		3521	void
		3522	resume (Coro::State self)
		3523	PROTOTYPE: $
		3524	CODE:
		3525	self->flags &= ~CF_SUSPENDED;
3264		3526
3265	void	3527	void
3266	_pool_handler (...)	3528	_pool_handler (...)
3267	CODE:	3529	CODE:
3268	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3530	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3323	rouse_wait (...)	3585	rouse_wait (...)
3324	PROTOTYPE: ;$	3586	PROTOTYPE: ;$
3325	PPCODE:	3587	PPCODE:
3326	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3588	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3327		3589
		3590	void
		3591	on_enter (SV *block)
		3592	ALIAS:
		3593	on_leave = 1
		3594	PROTOTYPE: &
		3595	CODE:
		3596	{
		3597	struct coro *coro = SvSTATE_current;
		3598	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3599
		3600	block = (SV *)coro_sv_2cv (aTHX_ block);
		3601
		3602	if (!*avp)
		3603	*avp = newAV ();
		3604
		3605	av_push (*avp, SvREFCNT_inc (block));
		3606
		3607	if (!ix)
		3608	on_enterleave_call (aTHX_ block);
		3609
		3610	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3611	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3612	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3613	}
		3614
3328		3615
3329	MODULE = Coro::State PACKAGE = PerlIO::cede	3616	MODULE = Coro::State PACKAGE = PerlIO::cede
3330		3617
3331	BOOT:	3618	BOOT:
3332	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3619	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3335	MODULE = Coro::State PACKAGE = Coro::Semaphore	3622	MODULE = Coro::State PACKAGE = Coro::Semaphore
3336		3623
3337	SV *	3624	SV *
3338	new (SV klass, SV count = 0)	3625	new (SV klass, SV count = 0)
3339	CODE:	3626	CODE:
		3627	{
		3628	int semcnt = 1;
		3629
		3630	if (count)
		3631	{
		3632	SvGETMAGIC (count);
		3633
		3634	if (SvOK (count))
		3635	semcnt = SvIV (count);
		3636	}
		3637
3340	RETVAL = sv_bless (	3638	RETVAL = sv_bless (
3341	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3639	coro_waitarray_new (aTHX_ semcnt),
3342	GvSTASH (CvGV (cv))	3640	GvSTASH (CvGV (cv))
3343	);	3641	);
		3642	}
3344	OUTPUT:	3643	OUTPUT:
3345	RETVAL	3644	RETVAL
3346		3645
3347	# helper for Coro::Channel	3646	# helper for Coro::Channel and others
3348	SV *	3647	SV *
3349	_alloc (int count)	3648	_alloc (int count)
3350	CODE:	3649	CODE:
3351	RETVAL = coro_waitarray_new (aTHX_ count);	3650	RETVAL = coro_waitarray_new (aTHX_ count);
3352	OUTPUT:	3651	OUTPUT:
…		…
3410	for (i = 1; i <= wcount; ++i)	3709	for (i = 1; i <= wcount; ++i)
3411	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3710	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3412	}	3711	}
3413	}	3712	}
3414		3713
		3714	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3715
		3716	void
		3717	_may_delete (SV *sem, int count, int extra_refs)
		3718	PPCODE:
		3719	{
		3720	AV av = (AV )SvRV (sem);
		3721
		3722	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3723	&& AvFILLp (av) == 0 /* no waiters, just count */
		3724	&& SvIV (AvARRAY (av)[0]) == count)
		3725	XSRETURN_YES;
		3726
		3727	XSRETURN_NO;
		3728	}
		3729
3415	MODULE = Coro::State PACKAGE = Coro::Signal	3730	MODULE = Coro::State PACKAGE = Coro::Signal
3416		3731
3417	SV *	3732	SV *
3418	new (SV *klass)	3733	new (SV *klass)
3419	CODE:	3734	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC vs. Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC vs.
Revision 1.360 by root, Mon Jun 29 06:14:23 2009 UTC