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/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 1.368 by root, Thu Aug 13 02:35:41 2009 UTC

…		…
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
9	#include "perliol.h"	9	#include "perliol.h"
10		10
11	#include "patchlevel.h"	11	#include "schmorp.h"
12		12
13	#include <stdio.h>	13	#include <stdio.h>
14	#include <errno.h>	14	#include <errno.h>
15	#include <assert.h>	15	#include <assert.h>
16		16
…		…
51	#endif	51	#endif
52		52
53	/* the maximum number of idle cctx that will be pooled */	53	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	54	static int cctx_max_idle = 4;
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr
65	# endif
66	# ifndef call_sv
67	# define call_sv perl_call_sv
68	# endif
69	# ifndef get_sv
70	# define get_sv perl_get_sv
71	# endif
72	# ifndef get_cv
73	# define get_cv perl_get_cv
74	# endif
75	# ifndef IS_PADGV
76	# define IS_PADGV(v) 0
77	# endif
78	# ifndef IS_PADCONST
79	# define IS_PADCONST(v) 0
80	# endif
81	#endif
82
83	/* 5.11 */
84	#ifndef CxHASARGS
85	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86	#endif
87
88	/* 5.10.0 */
89	#ifndef SvREFCNT_inc_NN
90	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91	#endif
92
93	/* 5.8.8 */
94	#ifndef GV_NOTQUAL
95	# define GV_NOTQUAL 0
96	#endif
97	#ifndef newSV
98	# define newSV(l) NEWSV(0,l)
99	#endif
100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv
102	#endif
103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif
106	#ifndef Newx
107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108	#endif
109
110	/* 5.8.7 */
111	#ifndef SvRV_set
112	# define SvRV_set(s,v) SvRV(s) = (v)
113	#endif
114
115	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	56	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	57	# undef CORO_STACKGUARD
117	#endif	58	#endif
118		59
119	#ifndef CORO_STACKGUARD	60	#ifndef CORO_STACKGUARD
…		…
137		78
138	#define IN_DESTRUCT PL_dirty	79	#define IN_DESTRUCT PL_dirty
139		80
140	#if __GNUC__ >= 3	81	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	82	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	83	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	84	# define INLINE static inline
144	#else	85	#else
145	# define attribute(x)	86	# define attribute(x)
146	# define expect(expr,value) (expr)	87	# define expect(expr,value) (expr)
147	# define INLINE static	88	# define INLINE static
…		…
159	# if CORO_PTHREAD	100	# if CORO_PTHREAD
160	static void *coro_thx;	101	static void *coro_thx;
161	# endif	102	# endif
162	#endif	103	#endif
163		104
		105	#ifdef __linux
		106	# include <time.h> /* for timespec */
		107	# include <syscall.h> /* for SYS_* */
		108	# ifdef SYS_clock_gettime
		109	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		110	# define CORO_CLOCK_MONOTONIC 1
		111	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		112	# endif
		113	#endif
		114
164	static double (*nvtime)(); /* so why doesn't it take void? */	115	static double (*nvtime)(); /* so why doesn't it take void? */
		116	static void (*u2time)(pTHX_ UV ret[2]);
165		117
166	/* we hijack an hopefully unused CV flag for our purposes */	118	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	119	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	120	static OP *pp_slf (pTHX);
169		121
…		…
195	static CV *cv_coro_state_new;	147	static CV *cv_coro_state_new;
196		148
197	/* Coro::AnyEvent */	149	/* Coro::AnyEvent */
198	static SV *sv_activity;	150	static SV *sv_activity;
199		151
		152	/* enable processtime/realtime profiling */
		153	static char enable_times;
		154	typedef U32 coro_ts[2];
		155	static coro_ts time_real, time_cpu;
		156	static char times_valid;
		157
200	static struct coro_cctx *cctx_first;	158	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	159	static int cctx_count, cctx_idle;
202		160
203	enum {	161	enum {
204	CC_MAPPED = 0x01,	162	CC_MAPPED = 0x01,
…		…
238	enum {	196	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	197	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	198	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	199	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	200	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		201	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	202	};
244		203
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	204	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	205	typedef struct
247	{	206	{
…		…
260	/* this is a structure representing a perl-level coroutine */	219	/* this is a structure representing a perl-level coroutine */
261	struct coro {	220	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	221	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	222	coro_cctx *cctx;
264		223
		224	/* ready queue */
		225	struct coro *next_ready;
		226
265	/* state data */	227	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	228	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	229	AV *mainstack;
268	perl_slots *slot; /* basically the saved sp */	230	perl_slots *slot; /* basically the saved sp */
269		231
…		…
285	/* async_pool */	247	/* async_pool */
286	SV *saved_deffh;	248	SV *saved_deffh;
287	SV *invoke_cb;	249	SV *invoke_cb;
288	AV *invoke_av;	250	AV *invoke_av;
289		251
		252	/* on_enter/on_leave */
		253	AV *on_enter;
		254	AV *on_leave;
		255
		256	/* times */
		257	coro_ts t_cpu, t_real;
		258
290	/* linked list */	259	/* linked list */
291	struct coro *next, *prev;	260	struct coro *next, *prev;
292	};	261	};
293		262
294	typedef struct coro *Coro__State;	263	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	268	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	269	static struct CoroSLF slf_frame; /* the current slf frame */
301		270
302	/** Coro ********************************************************************/	271	/** Coro ********************************************************************/
303		272
304	#define PRIO_MAX 3	273	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	274	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	275	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	276	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	277	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	278	#define CORO_PRIO_MIN -4
310		279
311	/* for Coro.pm */	280	/* for Coro.pm */
312	static SV *coro_current;	281	static SV *coro_current;
313	static SV *coro_readyhook;	282	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	283	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
315	static CV *cv_coro_run, *cv_coro_terminate;	284	static CV *cv_coro_run, *cv_coro_terminate;
316	static struct coro *coro_first;	285	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	286	#define coro_nready coroapi.nready
		287
		288	/** Coro::Select ************************************************************/
		289
		290	static OP *(*coro_old_pp_sselect) (pTHX);
		291	static SV *coro_select_select;
		292
		293	/* horrible hack, but if it works... */
		294	static OP *
		295	coro_pp_sselect (aTHX)
		296	{
		297	dSP;
		298	PUSHMARK (SP - 4); /* fake argument list */
		299	XPUSHs (coro_select_select);
		300	PUTBACK;
		301
		302	/* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
		303	PL_op->op_flags |= OPf_STACKED;
		304	PL_op->op_private = 0;
		305	return PL_ppaddr [OP_ENTERSUB](aTHX);
		306	}
318		307
319	/** lowlevel stuff **********************************************************/	308	/** lowlevel stuff **********************************************************/
320		309
321	static SV *	310	static SV *
322	coro_get_sv (pTHX_ const char *name, int create)	311	coro_get_sv (pTHX_ const char *name, int create)
…		…
346	get_hv (name, create);	335	get_hv (name, create);
347	#endif	336	#endif
348	return get_hv (name, create);	337	return get_hv (name, create);
349	}	338	}
350		339
351	/* may croak */	340	INLINE void
352	INLINE CV *	341	coro_times_update ()
353	coro_sv_2cv (pTHX_ SV *sv)
354	{	342	{
355	HV *st;	343	#ifdef coro_clock_gettime
356	GV *gvp;	344	struct timespec ts;
357	return sv_2cv (sv, &st, &gvp, 0);	345
		346	ts.tv_sec = ts.tv_nsec = 0;
		347	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		348	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		349
		350	ts.tv_sec = ts.tv_nsec = 0;
		351	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		352	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		353	#else
		354	dTHX;
		355	UV tv[2];
		356
		357	u2time (aTHX_ tv);
		358	time_real [0] = tv [0];
		359	time_real [1] = tv [1] * 1000;
		360	#endif
		361	}
		362
		363	INLINE void
		364	coro_times_add (struct coro *c)
		365	{
		366	c->t_real [1] += time_real [1];
		367	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		368	c->t_real [0] += time_real [0];
		369
		370	c->t_cpu [1] += time_cpu [1];
		371	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		372	c->t_cpu [0] += time_cpu [0];
		373	}
		374
		375	INLINE void
		376	coro_times_sub (struct coro *c)
		377	{
		378	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		379	c->t_real [1] -= time_real [1];
		380	c->t_real [0] -= time_real [0];
		381
		382	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		383	c->t_cpu [1] -= time_cpu [1];
		384	c->t_cpu [0] -= time_cpu [0];
358	}	385	}
359		386
360	/*****************************************************************************/	387	/*****************************************************************************/
361	/* magic glue */	388	/* magic glue */
362		389
…		…
462	static int	489	static int
463	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	490	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
464	{	491	{
465	AV *padlist;	492	AV *padlist;
466	AV *av = (AV *)mg->mg_obj;	493	AV *av = (AV *)mg->mg_obj;
		494
		495	/* perl manages to free our internal AV and _then_ call us */
		496	if (IN_DESTRUCT)
		497	return 0;
467		498
468	/* casting is fun. */	499	/* casting is fun. */
469	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	500	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
470	free_padlist (aTHX_ padlist);	501	free_padlist (aTHX_ padlist);
471		502
…		…
521	}	552	}
522		553
523	/** load & save, init *******************************************************/	554	/** load & save, init *******************************************************/
524		555
525	static void	556	static void
		557	on_enterleave_call (pTHX_ SV *cb);
		558
		559	static void
526	load_perl (pTHX_ Coro__State c)	560	load_perl (pTHX_ Coro__State c)
527	{	561	{
528	perl_slots *slot = c->slot;	562	perl_slots *slot = c->slot;
529	c->slot = 0;	563	c->slot = 0;
530		564
…		…
556	PUTBACK;	590	PUTBACK;
557	}	591	}
558		592
559	slf_frame = c->slf_frame;	593	slf_frame = c->slf_frame;
560	CORO_THROW = c->except;	594	CORO_THROW = c->except;
		595
		596	if (expect_false (enable_times))
		597	{
		598	if (expect_false (!times_valid))
		599	coro_times_update ();
		600
		601	coro_times_sub (c);
		602	}
		603
		604	if (expect_false (c->on_enter))
		605	{
		606	int i;
		607
		608	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		609	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		610	}
561	}	611	}
562		612
563	static void	613	static void
564	save_perl (pTHX_ Coro__State c)	614	save_perl (pTHX_ Coro__State c)
565	{	615	{
		616	if (expect_false (c->on_leave))
		617	{
		618	int i;
		619
		620	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		621	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		622	}
		623
		624	times_valid = 0;
		625
		626	if (expect_false (enable_times))
		627	{
		628	coro_times_update (); times_valid = 1;
		629	coro_times_add (c);
		630	}
		631
566	c->except = CORO_THROW;	632	c->except = CORO_THROW;
567	c->slf_frame = slf_frame;	633	c->slf_frame = slf_frame;
568		634
569	{	635	{
570	dSP;	636	dSP;
…		…
583	{	649	{
584	while (expect_true (cxix >= 0))	650	while (expect_true (cxix >= 0))
585	{	651	{
586	PERL_CONTEXT *cx = &ccstk[cxix--];	652	PERL_CONTEXT *cx = &ccstk[cxix--];
587		653
588	if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))	654	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
589	{	655	{
590	CV *cv = cx->blk_sub.cv;	656	CV *cv = cx->blk_sub.cv;
591		657
592	if (expect_true (CvDEPTH (cv)))	658	if (expect_true (CvDEPTH (cv)))
593	{	659	{
…		…
617	/* we manually unroll here, as usually 2 slots is enough */	683	/* we manually unroll here, as usually 2 slots is enough */
618	if (SLOT_COUNT >= 1) CXINC;	684	if (SLOT_COUNT >= 1) CXINC;
619	if (SLOT_COUNT >= 2) CXINC;	685	if (SLOT_COUNT >= 2) CXINC;
620	if (SLOT_COUNT >= 3) CXINC;	686	if (SLOT_COUNT >= 3) CXINC;
621	{	687	{
622	int i;	688	unsigned int i;
623	for (i = 3; i < SLOT_COUNT; ++i)	689	for (i = 3; i < SLOT_COUNT; ++i)
624	CXINC;	690	CXINC;
625	}	691	}
626	cxstack_ix -= SLOT_COUNT; /* undo allocation */	692	cxstack_ix -= SLOT_COUNT; /* undo allocation */
627		693
…		…
769	#endif	835	#endif
770		836
771	/*	837	/*
772	* This overrides the default magic get method of %SIG elements.	838	* 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	839	* 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	840	* and instead of trying to save and restore the hash elements, we just provide
775	* readback here.	841	* 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	*/	842	*/
780	static int	843	static int
781	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	844	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
782	{	845	{
783	const char *s = MgPV_nolen_const (mg);	846	const char *s = MgPV_nolen_const (mg);
…		…
836	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	899	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837		900
838	if (svp)	901	if (svp)
839	{	902	{
840	SV *old = *svp;	903	SV *old = *svp;
841	*svp = newSVsv (sv);	904	*svp = SvOK (sv) ? newSVsv (sv) : 0;
842	SvREFCNT_dec (old);	905	SvREFCNT_dec (old);
843	return 0;	906	return 0;
844	}	907	}
845	}	908	}
846		909
…		…
935		998
936	PL_op = (OP *)&coro_setup_op;	999	PL_op = (OP *)&coro_setup_op;
937		1000
938	/* copy throw, in case it was set before coro_setup */	1001	/* copy throw, in case it was set before coro_setup */
939	CORO_THROW = coro->except;	1002	CORO_THROW = coro->except;
940	}
941		1003
		1004	if (expect_false (enable_times))
		1005	{
		1006	coro_times_update ();
		1007	coro_times_sub (coro);
		1008	}
		1009	}
		1010
942	static void	1011	static void
943	coro_destruct (pTHX_ struct coro *coro)	1012	coro_unwind_stacks (pTHX)
944	{	1013	{
945	if (!IN_DESTRUCT)	1014	if (!IN_DESTRUCT)
946	{	1015	{
947	/* restore all saved variables and stuff */	1016	/* restore all saved variables and stuff */
948	LEAVE_SCOPE (0);	1017	LEAVE_SCOPE (0);
…		…
956	POPSTACK_TO (PL_mainstack);	1025	POPSTACK_TO (PL_mainstack);
957		1026
958	/* unwind main stack */	1027	/* unwind main stack */
959	dounwind (-1);	1028	dounwind (-1);
960	}	1029	}
		1030	}
961		1031
962	SvREFCNT_dec (GvSV (PL_defgv));	1032	static void
963	SvREFCNT_dec (GvAV (PL_defgv));	1033	coro_destruct_perl (pTHX_ struct coro *coro)
964	SvREFCNT_dec (GvSV (PL_errgv));	1034	{
965	SvREFCNT_dec (PL_defoutgv);	1035	SV *svf [9];
966	SvREFCNT_dec (PL_rs);
967	SvREFCNT_dec (GvSV (irsgv));
968	SvREFCNT_dec (GvHV (PL_hintgv));
969		1036
970	SvREFCNT_dec (PL_diehook);
971	SvREFCNT_dec (PL_warnhook);
972		1037	{
		1038	struct coro *current = SvSTATE_current;
		1039
		1040	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1041
		1042	save_perl (aTHX_ current);
		1043	load_perl (aTHX_ coro);
		1044
		1045	coro_unwind_stacks (aTHX);
		1046	coro_destruct_stacks (aTHX);
		1047
		1048	// now save some sv's to be free'd later
		1049	svf [0] = GvSV (PL_defgv);
		1050	svf [1] = (SV *)GvAV (PL_defgv);
		1051	svf [2] = GvSV (PL_errgv);
		1052	svf [3] = (SV *)PL_defoutgv;
		1053	svf [4] = PL_rs;
		1054	svf [5] = GvSV (irsgv);
		1055	svf [6] = (SV *)GvHV (PL_hintgv);
		1056	svf [7] = PL_diehook;
		1057	svf [8] = PL_warnhook;
		1058	assert (9 == sizeof (svf) / sizeof (*svf));
		1059
		1060	load_perl (aTHX_ current);
		1061	}
		1062
		1063	{
		1064	unsigned int i;
		1065
		1066	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1067	SvREFCNT_dec (svf [i]);
		1068
973	SvREFCNT_dec (coro->saved_deffh);	1069	SvREFCNT_dec (coro->saved_deffh);
974	SvREFCNT_dec (coro->rouse_cb);	1070	SvREFCNT_dec (coro->rouse_cb);
975	SvREFCNT_dec (coro->invoke_cb);	1071	SvREFCNT_dec (coro->invoke_cb);
976	SvREFCNT_dec (coro->invoke_av);	1072	SvREFCNT_dec (coro->invoke_av);
977		1073	}
978	coro_destruct_stacks (aTHX);
979	}	1074	}
980		1075
981	INLINE void	1076	INLINE void
982	free_coro_mortal (pTHX)	1077	free_coro_mortal (pTHX)
983	{	1078	{
…		…
1180	/* somebody or something will hit me for both perl_run and PL_restartop */	1275	/* somebody or something will hit me for both perl_run and PL_restartop */
1181	PL_restartop = PL_op;	1276	PL_restartop = PL_op;
1182	perl_run (PL_curinterp);	1277	perl_run (PL_curinterp);
1183	/*	1278	/*
1184	* Unfortunately, there is no way to get at the return values of the	1279	* Unfortunately, there is no way to get at the return values of the
1185	* coro body here, as perl_run destroys these	1280	* coro body here, as perl_run destroys these. Likewise, we cannot catch
		1281	* runtime errors here, as this is just a random interpreter, not a thread.
1186	*/	1282	*/
1187		1283
1188	/*	1284	/*
1189	* If perl-run returns we assume exit() was being called or the coro	1285	* If perl-run returns we assume exit() was being called or the coro
1190	* fell off the end, which seems to be the only valid (non-bug)	1286	* fell off the end, which seems to be the only valid (non-bug)
…		…
1277	cctx_destroy (coro_cctx *cctx)	1373	cctx_destroy (coro_cctx *cctx)
1278	{	1374	{
1279	if (!cctx)	1375	if (!cctx)
1280	return;	1376	return;
1281		1377
1282	assert (cctx != cctx_current);//D temporary	1378	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1283		1379
1284	--cctx_count;	1380	--cctx_count;
1285	coro_destroy (&cctx->cctx);	1381	coro_destroy (&cctx->cctx);
1286		1382
1287	/* coro_transfer creates new, empty cctx's */	1383	/* coro_transfer creates new, empty cctx's */
…		…
1351	/* TODO: throwing up here is considered harmful */	1447	/* TODO: throwing up here is considered harmful */
1352		1448
1353	if (expect_true (prev != next))	1449	if (expect_true (prev != next))
1354	{	1450	{
1355	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1451	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,");	1452	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357		1453
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))	1454	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,");	1455	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363		1456
1364	#if !PERL_VERSION_ATLEAST (5,10,0)	1457	#if !PERL_VERSION_ATLEAST (5,10,0)
1365	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1458	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,");	1459	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367	#endif	1460	#endif
…		…
1405	coro_setup (aTHX_ next);	1498	coro_setup (aTHX_ next);
1406	}	1499	}
1407	else	1500	else
1408	load_perl (aTHX_ next);	1501	load_perl (aTHX_ next);
1409		1502
1410	assert (!prev->cctx);//D temporary
1411
1412	/* possibly untie and reuse the cctx */	1503	/* possibly untie and reuse the cctx */
1413	if (expect_true (	1504	if (expect_true (
1414	cctx_current->idle_sp == STACKLEVEL	1505	cctx_current->idle_sp == STACKLEVEL
1415	&& !(cctx_current->flags & CC_TRACE)	1506	&& !(cctx_current->flags & CC_TRACE)
1416	&& !force_cctx	1507	&& !force_cctx
…		…
1457	coro_state_destroy (pTHX_ struct coro *coro)	1548	coro_state_destroy (pTHX_ struct coro *coro)
1458	{	1549	{
1459	if (coro->flags & CF_DESTROYED)	1550	if (coro->flags & CF_DESTROYED)
1460	return 0;	1551	return 0;
1461		1552
1462	if (coro->on_destroy)	1553	if (coro->on_destroy && !PL_dirty)
1463	coro->on_destroy (aTHX_ coro);	1554	coro->on_destroy (aTHX_ coro);
1464		1555
1465	coro->flags |= CF_DESTROYED;	1556	coro->flags |= CF_DESTROYED;
1466		1557
1467	if (coro->flags & CF_READY)	1558	if (coro->flags & CF_READY)
…		…
1471	--coro_nready;	1562	--coro_nready;
1472	}	1563	}
1473	else	1564	else
1474	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1565	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1475		1566
1476	if (coro->mainstack && coro->mainstack != main_mainstack)	1567	if (coro->mainstack
1477	{	1568	&& coro->mainstack != main_mainstack
1478	struct coro temp;	1569	&& coro->slot
1479		1570	&& !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);	1571	coro_destruct_perl (aTHX_ coro);
1486
1487	load_perl (aTHX_ &temp);
1488
1489	coro->slot = 0;
1490	}
1491		1572
1492	cctx_destroy (coro->cctx);	1573	cctx_destroy (coro->cctx);
1493	SvREFCNT_dec (coro->startcv);	1574	SvREFCNT_dec (coro->startcv);
1494	SvREFCNT_dec (coro->args);	1575	SvREFCNT_dec (coro->args);
1495	SvREFCNT_dec (CORO_THROW);	1576	SvREFCNT_dec (CORO_THROW);
…		…
1554		1635
1555	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1636	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1556	TRANSFER (ta, 1);	1637	TRANSFER (ta, 1);
1557	}	1638	}
1558		1639
1559	/*****************************************************************************/
1560	/* gensub: simple closure generation utility */
1561
1562	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1563
1564	/* create a closure from XS, returns a code reference */
1565	/* the arg can be accessed via GENSUB_ARG from the callback */
1566	/* the callback must use dXSARGS/XSRETURN */
1567	static SV *
1568	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1569	{
1570	CV *cv = (CV *)newSV (0);
1571
1572	sv_upgrade ((SV *)cv, SVt_PVCV);
1573
1574	CvANON_on (cv);
1575	CvISXSUB_on (cv);
1576	CvXSUB (cv) = xsub;
1577	GENSUB_ARG = arg;
1578
1579	return newRV_noinc ((SV *)cv);
1580	}
1581
1582	/** Coro ********************************************************************/	1640	/** Coro ********************************************************************/
1583		1641
1584	INLINE void	1642	INLINE void
1585	coro_enq (pTHX_ struct coro *coro)	1643	coro_enq (pTHX_ struct coro *coro)
1586	{	1644	{
1587	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1645	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1588	}
1589		1646
1590	INLINE SV *	1647	SvREFCNT_inc_NN (coro->hv);
		1648
		1649	coro->next_ready = 0;
		1650	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1651	ready [1] = coro;
		1652	}
		1653
		1654	INLINE struct coro *
1591	coro_deq (pTHX)	1655	coro_deq (pTHX)
1592	{	1656	{
1593	int prio;	1657	int prio;
1594		1658
1595	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1659	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1596	if (AvFILLp (coro_ready [prio]) >= 0)	1660	{
1597	return av_shift (coro_ready [prio]);	1661	struct coro **ready = coro_ready [prio];
		1662
		1663	if (ready [0])
		1664	{
		1665	struct coro *coro = ready [0];
		1666	ready [0] = coro->next_ready;
		1667	return coro;
		1668	}
		1669	}
1598		1670
1599	return 0;	1671	return 0;
		1672	}
		1673
		1674	static void
		1675	invoke_sv_ready_hook_helper (void)
		1676	{
		1677	dTHX;
		1678	dSP;
		1679
		1680	ENTER;
		1681	SAVETMPS;
		1682
		1683	PUSHMARK (SP);
		1684	PUTBACK;
		1685	call_sv (coro_readyhook, G_VOID | G_DISCARD);
		1686
		1687	FREETMPS;
		1688	LEAVE;
1600	}	1689	}
1601		1690
1602	static int	1691	static int
1603	api_ready (pTHX_ SV *coro_sv)	1692	api_ready (pTHX_ SV *coro_sv)
1604	{	1693	{
1605	struct coro *coro;
1606	SV *sv_hook;
1607	void (*xs_hook)(void);
1608
1609	coro = SvSTATE (coro_sv);	1694	struct coro *coro = SvSTATE (coro_sv);
1610		1695
1611	if (coro->flags & CF_READY)	1696	if (coro->flags & CF_READY)
1612	return 0;	1697	return 0;
1613		1698
1614	coro->flags |= CF_READY;	1699	coro->flags |= CF_READY;
1615		1700
1616	sv_hook = coro_nready ? 0 : coro_readyhook;
1617	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1618
1619	coro_enq (aTHX_ coro);	1701	coro_enq (aTHX_ coro);
1620	++coro_nready;
1621		1702
1622	if (sv_hook)	1703	if (!coro_nready++)
1623	{	1704	if (coroapi.readyhook)
1624	dSP;	1705	coroapi.readyhook ();
1625
1626	ENTER;
1627	SAVETMPS;
1628
1629	PUSHMARK (SP);
1630	PUTBACK;
1631	call_sv (sv_hook, G_VOID | G_DISCARD);
1632
1633	FREETMPS;
1634	LEAVE;
1635	}
1636
1637	if (xs_hook)
1638	xs_hook ();
1639		1706
1640	return 1;	1707	return 1;
1641	}	1708	}
1642		1709
1643	static int	1710	static int
…		…
1666	static void	1733	static void
1667	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1734	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1668	{	1735	{
1669	for (;;)	1736	for (;;)
1670	{	1737	{
1671	SV *next_sv = coro_deq (aTHX);	1738	struct coro *next = coro_deq (aTHX);
1672		1739
1673	if (expect_true (next_sv))	1740	if (expect_true (next))
1674	{	1741	{
1675	struct coro *next = SvSTATE_hv (next_sv);
1676
1677	/* cannot transfer to destroyed coros, skip and look for next */	1742	/* cannot transfer to destroyed coros, skip and look for next */
1678	if (expect_false (next->flags & CF_DESTROYED))	1743	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1679	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1744	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1680	else	1745	else
1681	{	1746	{
1682	next->flags &= ~CF_READY;	1747	next->flags &= ~CF_READY;
1683	--coro_nready;	1748	--coro_nready;
1684		1749
…		…
1851	{	1916	{
1852	int i;	1917	int i;
1853	HV *hv = (HV *)SvRV (coro_current);	1918	HV *hv = (HV *)SvRV (coro_current);
1854	AV *av = newAV ();	1919	AV *av = newAV ();
1855		1920
		1921	/* items are actually not so common, so optimise for this case */
		1922	if (items)
		1923	{
1856	av_extend (av, items - 1);	1924	av_extend (av, items - 1);
		1925
1857	for (i = 0; i < items; ++i)	1926	for (i = 0; i < items; ++i)
1858	av_push (av, SvREFCNT_inc_NN (arg [i]));	1927	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1928	}
1859		1929
1860	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);	1930	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1861		1931
1862	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */	1932	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1863	api_ready (aTHX_ sv_manager);	1933	api_ready (aTHX_ sv_manager);
1864		1934
1865	frame->prepare = prepare_schedule;	1935	frame->prepare = prepare_schedule;
1866	frame->check = slf_check_repeat;	1936	frame->check = slf_check_repeat;
		1937
		1938	/* as a minor optimisation, we could unwind all stacks here */
		1939	/* but that puts extra pressure on pp_slf, and is not worth much */
		1940	/*coro_unwind_stacks (aTHX);*/
1867	}	1941	}
1868		1942
1869	/*****************************************************************************/	1943	/*****************************************************************************/
1870	/* async pool handler */	1944	/* async pool handler */
1871		1945
…		…
1949		2023
1950	static void	2024	static void
1951	coro_rouse_callback (pTHX_ CV *cv)	2025	coro_rouse_callback (pTHX_ CV *cv)
1952	{	2026	{
1953	dXSARGS;	2027	dXSARGS;
1954	SV *data = (SV *)GENSUB_ARG;	2028	SV *data = (SV *)S_GENSUB_ARG;
1955		2029
1956	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2030	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1957	{	2031	{
1958	/* first call, set args */	2032	/* first call, set args */
		2033	SV *coro = SvRV (data);
1959	AV *av = newAV ();	2034	AV *av = newAV ();
1960	SV *coro = SvRV (data);
1961		2035
1962	SvRV_set (data, (SV *)av);	2036	SvRV_set (data, (SV *)av);
1963	api_ready (aTHX_ coro);
1964	SvREFCNT_dec (coro);
1965		2037
1966	/* better take a full copy of the arguments */	2038	/* better take a full copy of the arguments */
1967	while (items--)	2039	while (items--)
1968	av_store (av, items, newSVsv (ST (items)));	2040	av_store (av, items, newSVsv (ST (items)));
		2041
		2042	api_ready (aTHX_ coro);
		2043	SvREFCNT_dec (coro);
1969	}	2044	}
1970		2045
1971	XSRETURN_EMPTY;	2046	XSRETURN_EMPTY;
1972	}	2047	}
1973		2048
…		…
1990		2065
1991	EXTEND (SP, AvFILLp (av) + 1);	2066	EXTEND (SP, AvFILLp (av) + 1);
1992	for (i = 0; i <= AvFILLp (av); ++i)	2067	for (i = 0; i <= AvFILLp (av); ++i)
1993	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2068	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1994		2069
1995	/* we have stolen the elements, so ste length to zero and free */	2070	/* we have stolen the elements, so set length to zero and free */
1996	AvFILLp (av) = -1;	2071	AvFILLp (av) = -1;
1997	av_undef (av);	2072	av_undef (av);
1998		2073
1999	PUTBACK;	2074	PUTBACK;
2000	}	2075	}
…		…
2024	|| SvTYPE (SvRV (cb)) != SVt_PVCV	2099	|| SvTYPE (SvRV (cb)) != SVt_PVCV
2025	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2100	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2026	croak ("Coro::rouse_wait called with illegal callback argument,");	2101	croak ("Coro::rouse_wait called with illegal callback argument,");
2027		2102
2028	{	2103	{
2029	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */	2104	CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2030	SV *data = (SV *)GENSUB_ARG;	2105	SV *data = (SV *)S_GENSUB_ARG;
2031		2106
2032	frame->data = (void *)data;	2107	frame->data = (void *)data;
2033	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2108	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2034	frame->check = slf_check_rouse_wait;	2109	frame->check = slf_check_rouse_wait;
2035	}	2110	}
…		…
2039	coro_new_rouse_cb (pTHX)	2114	coro_new_rouse_cb (pTHX)
2040	{	2115	{
2041	HV *hv = (HV *)SvRV (coro_current);	2116	HV *hv = (HV *)SvRV (coro_current);
2042	struct coro *coro = SvSTATE_hv (hv);	2117	struct coro *coro = SvSTATE_hv (hv);
2043	SV *data = newRV_inc ((SV *)hv);	2118	SV *data = newRV_inc ((SV *)hv);
2044	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2119	SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2045		2120
2046	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2121	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2047	SvREFCNT_dec (data); /* magicext increases the refcount */	2122	SvREFCNT_dec (data); /* magicext increases the refcount */
2048		2123
2049	SvREFCNT_dec (coro->rouse_cb);	2124	SvREFCNT_dec (coro->rouse_cb);
…		…
2290		2365
2291	PL_op->op_ppaddr = pp_slf;	2366	PL_op->op_ppaddr = pp_slf;
2292	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */	2367	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2293		2368
2294	PL_op = (OP *)&slf_restore;	2369	PL_op = (OP *)&slf_restore;
		2370	}
		2371
		2372	/*****************************************************************************/
		2373	/* dynamic wind */
		2374
		2375	static void
		2376	on_enterleave_call (pTHX_ SV *cb)
		2377	{
		2378	dSP;
		2379
		2380	PUSHSTACK;
		2381
		2382	PUSHMARK (SP);
		2383	PUTBACK;
		2384	call_sv (cb, G_VOID | G_DISCARD);
		2385	SPAGAIN;
		2386
		2387	POPSTACK;
		2388	}
		2389
		2390	static SV *
		2391	coro_avp_pop_and_free (pTHX_ AV **avp)
		2392	{
		2393	AV *av = *avp;
		2394	SV *res = av_pop (av);
		2395
		2396	if (AvFILLp (av) < 0)
		2397	{
		2398	*avp = 0;
		2399	SvREFCNT_dec (av);
		2400	}
		2401
		2402	return res;
		2403	}
		2404
		2405	static void
		2406	coro_pop_on_enter (pTHX_ void *coro)
		2407	{
		2408	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2409	SvREFCNT_dec (cb);
		2410	}
		2411
		2412	static void
		2413	coro_pop_on_leave (pTHX_ void *coro)
		2414	{
		2415	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2416	on_enterleave_call (aTHX_ sv_2mortal (cb));
2295	}	2417	}
2296		2418
2297	/*****************************************************************************/	2419	/*****************************************************************************/
2298	/* PerlIO::cede */	2420	/* PerlIO::cede */
2299		2421
…		…
2373	/* Coro::Semaphore & Coro::Signal */	2495	/* Coro::Semaphore & Coro::Signal */
2374		2496
2375	static SV *	2497	static SV *
2376	coro_waitarray_new (pTHX_ int count)	2498	coro_waitarray_new (pTHX_ int count)
2377	{	2499	{
2378	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2500	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2379	AV *av = newAV ();	2501	AV *av = newAV ();
2380	SV **ary;	2502	SV **ary;
2381		2503
2382	/* unfortunately, building manually saves memory */	2504	/* unfortunately, building manually saves memory */
2383	Newx (ary, 2, SV *);	2505	Newx (ary, 2, SV *);
…		…
2525	{	2647	{
2526	if (items >= 2)	2648	if (items >= 2)
2527	{	2649	{
2528	/* callback form */	2650	/* callback form */
2529	AV *av = (AV *)SvRV (arg [0]);	2651	AV *av = (AV *)SvRV (arg [0]);
2530	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2652	SV *cb_cv = s_get_cv_croak (arg [1]);
2531		2653
2532	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2654	av_push (av, SvREFCNT_inc_NN (cb_cv));
2533		2655
2534	if (SvIVX (AvARRAY (av)[0]) > 0)	2656	if (SvIVX (AvARRAY (av)[0]) > 0)
2535	coro_semaphore_adjust (aTHX_ av, 0);	2657	coro_semaphore_adjust (aTHX_ av, 0);
2536		2658
2537	frame->prepare = prepare_nop;	2659	frame->prepare = prepare_nop;
…		…
2561	AvARRAY (av)[0] = AvARRAY (av)[1];	2683	AvARRAY (av)[0] = AvARRAY (av)[1];
2562	AvARRAY (av)[1] = cb;	2684	AvARRAY (av)[1] = cb;
2563		2685
2564	cb = av_shift (av);	2686	cb = av_shift (av);
2565		2687
		2688	if (SvTYPE (cb) == SVt_PVCV)
		2689	{
		2690	dSP;
		2691	PUSHMARK (SP);
		2692	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2693	PUTBACK;
		2694	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2695	}
		2696	else
		2697	{
2566	api_ready (aTHX_ cb);	2698	api_ready (aTHX_ cb);
2567	sv_setiv (cb, 0); /* signal waiter */	2699	sv_setiv (cb, 0); /* signal waiter */
		2700	}
		2701
2568	SvREFCNT_dec (cb);	2702	SvREFCNT_dec (cb);
2569		2703
2570	--count;	2704	--count;
2571	}	2705	}
2572	}	2706	}
…		…
2581	static void	2715	static void
2582	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2716	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2583	{	2717	{
2584	AV *av = (AV *)SvRV (arg [0]);	2718	AV *av = (AV *)SvRV (arg [0]);
2585		2719
		2720	if (items >= 2)
		2721	{
		2722	SV *cb_cv = s_get_cv_croak (arg [1]);
		2723	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2724
2586	if (SvIVX (AvARRAY (av)[0]))	2725	if (SvIVX (AvARRAY (av)[0]))
		2726	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2727
		2728	frame->prepare = prepare_nop;
		2729	frame->check = slf_check_nop;
		2730	}
		2731	else if (SvIVX (AvARRAY (av)[0]))
2587	{	2732	{
2588	SvIVX (AvARRAY (av)[0]) = 0;	2733	SvIVX (AvARRAY (av)[0]) = 0;
2589	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
2590	frame->check = slf_check_nop;	2735	frame->check = slf_check_nop;
2591	}	2736	}
2592	else	2737	else
2593	{	2738	{
2594	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */	2739	SV *waiter = newSVsv (coro_current); /* owned by signal av */
2595		2740
2596	av_push (av, waiter);	2741	av_push (av, waiter);
2597		2742
2598	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2743	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2599	frame->prepare = prepare_schedule;	2744	frame->prepare = prepare_schedule;
…		…
2617		2762
2618	static void	2763	static void
2619	coro_aio_callback (pTHX_ CV *cv)	2764	coro_aio_callback (pTHX_ CV *cv)
2620	{	2765	{
2621	dXSARGS;	2766	dXSARGS;
2622	AV *state = (AV *)GENSUB_ARG;	2767	AV *state = (AV *)S_GENSUB_ARG;
2623	SV *coro = av_pop (state);	2768	SV *coro = av_pop (state);
2624	SV *data_sv = newSV (sizeof (struct io_state));	2769	SV *data_sv = newSV (sizeof (struct io_state));
2625		2770
2626	av_extend (state, items - 1);	2771	av_extend (state, items - 1);
2627		2772
…		…
2741		2886
2742	for (i = 0; i < items; ++i)	2887	for (i = 0; i < items; ++i)
2743	PUSHs (arg [i]);	2888	PUSHs (arg [i]);
2744		2889
2745	/* now push the callback closure */	2890	/* now push the callback closure */
2746	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));	2891	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2747		2892
2748	/* now call the AIO function - we assume our request is uncancelable */	2893	/* now call the AIO function - we assume our request is uncancelable */
2749	PUTBACK;	2894	PUTBACK;
2750	call_sv ((SV *)req, G_VOID | G_DISCARD);	2895	call_sv ((SV *)req, G_VOID | G_DISCARD);
2751	}	2896	}
…		…
2769	/*****************************************************************************/	2914	/*****************************************************************************/
2770		2915
2771	#if CORO_CLONE	2916	#if CORO_CLONE
2772	# include "clone.c"	2917	# include "clone.c"
2773	#endif	2918	#endif
		2919
		2920	/*****************************************************************************/
		2921
		2922	static SV *
		2923	coro_new (HV *stash, SV **argv, int argc, int is_coro)
		2924	{
		2925	SV *coro_sv;
		2926	struct coro *coro;
		2927	MAGIC *mg;
		2928	HV *hv;
		2929	SV *cb;
		2930	int i;
		2931
		2932	if (argc > 0)
		2933	{
		2934	cb = s_get_cv_croak (argv [0]);
		2935
		2936	if (!is_coro)
		2937	{
		2938	if (CvISXSUB (cb))
		2939	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2940
		2941	if (!CvROOT (cb))
		2942	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2943	}
		2944	}
		2945
		2946	Newz (0, coro, 1, struct coro);
		2947	coro->args = newAV ();
		2948	coro->flags = CF_NEW;
		2949
		2950	if (coro_first) coro_first->prev = coro;
		2951	coro->next = coro_first;
		2952	coro_first = coro;
		2953
		2954	coro->hv = hv = newHV ();
		2955	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
		2956	mg->mg_flags |= MGf_DUP;
		2957	coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
		2958
		2959	if (argc > 0)
		2960	{
		2961	av_extend (coro->args, argc + is_coro - 1);
		2962
		2963	if (is_coro)
		2964	{
		2965	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2966	cb = (SV *)cv_coro_run;
		2967	}
		2968
		2969	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2970
		2971	for (i = 1; i < argc; i++)
		2972	av_push (coro->args, newSVsv (argv [i]));
		2973	}
		2974
		2975	return coro_sv;
		2976	}
2774		2977
2775	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2978	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2776		2979
2777	PROTOTYPES: DISABLE	2980	PROTOTYPES: DISABLE
2778		2981
…		…
2838		3041
2839	if (!svp) croak ("Time::HiRes is required");	3042	if (!svp) croak ("Time::HiRes is required");
2840	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3043	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2841		3044
2842	nvtime = INT2PTR (double (*)(), SvIV (*svp));	3045	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		3046
		3047	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3048	u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2843	}	3049	}
2844		3050
2845	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3051	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2846	}	3052	}
2847		3053
2848	SV *	3054	SV *
2849	new (char *klass, ...)	3055	new (SV *klass, ...)
2850	ALIAS:	3056	ALIAS:
2851	Coro::new = 1	3057	Coro::new = 1
2852	CODE:	3058	CODE:
2853	{	3059	RETVAL = coro_new (ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2854	struct coro *coro;	3060	OUTPUT:
2855	MAGIC *mg;
2856	HV *hv;
2857	CV *cb;
2858	int i;
2859
2860	if (items > 1)
2861	{
2862	cb = coro_sv_2cv (aTHX_ ST (1));
2863
2864	if (!ix)
2865	{
2866	if (CvISXSUB (cb))
2867	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2868
2869	if (!CvROOT (cb))
2870	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2871	}
2872	}
2873
2874	Newz (0, coro, 1, struct coro);
2875	coro->args = newAV ();
2876	coro->flags = CF_NEW;
2877
2878	if (coro_first) coro_first->prev = coro;
2879	coro->next = coro_first;
2880	coro_first = coro;
2881
2882	coro->hv = hv = newHV ();
2883	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2884	mg->mg_flags |= MGf_DUP;
2885	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2886
2887	if (items > 1)
2888	{
2889	av_extend (coro->args, items - 1 + ix - 1);
2890
2891	if (ix)
2892	{
2893	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2894	cb = cv_coro_run;
2895	}
2896
2897	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2898
2899	for (i = 2; i < items; i++)
2900	av_push (coro->args, newSVsv (ST (i)));
2901	}
2902	}
2903	OUTPUT:
2904	RETVAL	3061	RETVAL
2905		3062
2906	void	3063	void
2907	transfer (...)	3064	transfer (...)
2908	PROTOTYPE: $$	3065	PROTOTYPE: $$
…		…
2925	SV *	3082	SV *
2926	clone (Coro::State coro)	3083	clone (Coro::State coro)
2927	CODE:	3084	CODE:
2928	{	3085	{
2929	#if CORO_CLONE	3086	#if CORO_CLONE
2930	struct coro *ncoro = coro_clone (coro);	3087	struct coro *ncoro = coro_clone (aTHX_ coro);
2931	MAGIC *mg;	3088	MAGIC *mg;
2932	/* TODO: too much duplication */	3089	/* TODO: too much duplication */
2933	ncoro->hv = newHV ();	3090	ncoro->hv = newHV ();
2934	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);	3091	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
2935	mg->mg_flags |= MGf_DUP;	3092	mg->mg_flags |= MGf_DUP;
…		…
2997	eval = 1	3154	eval = 1
2998	CODE:	3155	CODE:
2999	{	3156	{
3000	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3157	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3001	{	3158	{
3002	struct coro temp;	3159	struct coro *current = SvSTATE_current;
3003		3160
3004	if (!(coro->flags & CF_RUNNING))	3161	if (current != coro)
3005	{	3162	{
3006	PUTBACK;	3163	PUTBACK;
3007	save_perl (aTHX_ &temp);	3164	save_perl (aTHX_ current);
3008	load_perl (aTHX_ coro);	3165	load_perl (aTHX_ coro);
		3166	SPAGAIN;
3009	}	3167	}
3010		3168
3011	{
3012	dSP;
3013	ENTER;
3014	SAVETMPS;
3015	PUTBACK;
3016	PUSHSTACK;	3169	PUSHSTACK;
		3170
3017	PUSHMARK (SP);	3171	PUSHMARK (SP);
		3172	PUTBACK;
3018		3173
3019	if (ix)	3174	if (ix)
3020	eval_sv (coderef, 0);	3175	eval_sv (coderef, 0);
3021	else	3176	else
3022	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3177	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3023		3178
3024	POPSTACK;	3179	POPSTACK;
3025	SPAGAIN;	3180	SPAGAIN;
3026	FREETMPS;
3027	LEAVE;
3028	PUTBACK;
3029	}
3030		3181
3031	if (!(coro->flags & CF_RUNNING))	3182	if (current != coro)
3032	{	3183	{
		3184	PUTBACK;
3033	save_perl (aTHX_ coro);	3185	save_perl (aTHX_ coro);
3034	load_perl (aTHX_ &temp);	3186	load_perl (aTHX_ current);
3035	SPAGAIN;	3187	SPAGAIN;
3036	}	3188	}
3037	}	3189	}
3038	}	3190	}
3039		3191
…		…
3043	ALIAS:	3195	ALIAS:
3044	is_ready = CF_READY	3196	is_ready = CF_READY
3045	is_running = CF_RUNNING	3197	is_running = CF_RUNNING
3046	is_new = CF_NEW	3198	is_new = CF_NEW
3047	is_destroyed = CF_DESTROYED	3199	is_destroyed = CF_DESTROYED
		3200	is_suspended = CF_SUSPENDED
3048	CODE:	3201	CODE:
3049	RETVAL = boolSV (coro->flags & ix);	3202	RETVAL = boolSV (coro->flags & ix);
3050	OUTPUT:	3203	OUTPUT:
3051	RETVAL	3204	RETVAL
3052		3205
…		…
3056	CODE:	3209	CODE:
3057	{	3210	{
3058	struct coro *current = SvSTATE_current;	3211	struct coro *current = SvSTATE_current;
3059	SV **throwp = self == current ? &CORO_THROW : &self->except;	3212	SV **throwp = self == current ? &CORO_THROW : &self->except;
3060	SvREFCNT_dec (*throwp);	3213	SvREFCNT_dec (*throwp);
		3214	SvGETMAGIC (throw);
3061	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3215	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3062	}	3216	}
3063		3217
3064	void	3218	void
3065	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3219	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
…		…
3117	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3271	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3118		3272
3119	SV *tmp = *src; *src = *dst; *dst = tmp;	3273	SV *tmp = *src; *src = *dst; *dst = tmp;
3120	}	3274	}
3121		3275
		3276	void
		3277	cancel (Coro::State self)
		3278	CODE:
		3279	coro_state_destroy (aTHX_ self);
		3280	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3281
		3282
		3283	SV *
		3284	enable_times (int enabled = enable_times)
		3285	CODE:
		3286	{
		3287	RETVAL = boolSV (enable_times);
		3288
		3289	if (enabled != enable_times)
		3290	{
		3291	enable_times = enabled;
		3292
		3293	coro_times_update ();
		3294	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3295	}
		3296	}
		3297	OUTPUT:
		3298	RETVAL
		3299
		3300	void
		3301	times (Coro::State self)
		3302	PPCODE:
		3303	{
		3304	struct coro *current = SvSTATE (coro_current);
		3305
		3306	if (expect_false (current == self))
		3307	{
		3308	coro_times_update ();
		3309	coro_times_add (SvSTATE (coro_current));
		3310	}
		3311
		3312	EXTEND (SP, 2);
		3313	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3314	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3315
		3316	if (expect_false (current == self))
		3317	coro_times_sub (SvSTATE (coro_current));
		3318	}
3122		3319
3123	MODULE = Coro::State PACKAGE = Coro	3320	MODULE = Coro::State PACKAGE = Coro
3124		3321
3125	BOOT:	3322	BOOT:
3126	{	3323	{
3127	int i;
3128
3129	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3324	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3130	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3325	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3131	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3326	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3132	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3327	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3133	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3328	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);	3329	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3135	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3330	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3136	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3331	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);	3336	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);	3337	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3143		3338
3144	coro_stash = gv_stashpv ("Coro", TRUE);	3339	coro_stash = gv_stashpv ("Coro", TRUE);
3145		3340
3146	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3341	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3147	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3342	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3148	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3343	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3149	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3344	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3150	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3345	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3151	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3346	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		3347
3156	{	3348	{
3157	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3349	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3158		3350
3159	coroapi.schedule = api_schedule;	3351	coroapi.schedule = api_schedule;
…		…
3169	sv_setiv (sv, (IV)&coroapi);	3361	sv_setiv (sv, (IV)&coroapi);
3170	SvREADONLY_on (sv);	3362	SvREADONLY_on (sv);
3171	}	3363	}
3172	}	3364	}
3173		3365
		3366	SV *
		3367	async (...)
		3368	PROTOTYPE: &@
		3369	CODE:
		3370	RETVAL = coro_new (coro_stash, &ST (0), items, 1);
		3371	api_ready (RETVAL);
		3372	OUTPUT:
		3373	RETVAL
		3374
3174	void	3375	void
3175	terminate (...)	3376	terminate (...)
3176	CODE:	3377	CODE:
3177	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3378	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3178		3379
…		…
3198		3399
3199	void	3400	void
3200	cede_notself (...)	3401	cede_notself (...)
3201	CODE:	3402	CODE:
3202	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3403	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3203
3204	void
3205	_cancel (Coro::State self)
3206	CODE:
3207	coro_state_destroy (aTHX_ self);
3208	coro_call_on_destroy (aTHX_ self);
3209		3404
3210	void	3405	void
3211	_set_current (SV *current)	3406	_set_current (SV *current)
3212	PROTOTYPE: $	3407	PROTOTYPE: $
3213	CODE:	3408	CODE:
…		…
3217	void	3412	void
3218	_set_readyhook (SV *hook)	3413	_set_readyhook (SV *hook)
3219	PROTOTYPE: $	3414	PROTOTYPE: $
3220	CODE:	3415	CODE:
3221	SvREFCNT_dec (coro_readyhook);	3416	SvREFCNT_dec (coro_readyhook);
		3417	SvGETMAGIC (hook);
		3418	if (SvOK (hook))
		3419	{
3222	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3420	coro_readyhook = newSVsv (hook);
		3421	CORO_READYHOOK = invoke_sv_ready_hook_helper;
		3422	}
		3423	else
		3424	{
		3425	coro_readyhook = 0;
		3426	CORO_READYHOOK = 0;
		3427	}
3223		3428
3224	int	3429	int
3225	prio (Coro::State coro, int newprio = 0)	3430	prio (Coro::State coro, int newprio = 0)
3226	PROTOTYPE: $;$	3431	PROTOTYPE: $;$
3227	ALIAS:	3432	ALIAS:
…		…
3233	if (items > 1)	3438	if (items > 1)
3234	{	3439	{
3235	if (ix)	3440	if (ix)
3236	newprio = coro->prio - newprio;	3441	newprio = coro->prio - newprio;
3237		3442
3238	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3443	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3239	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3444	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3240		3445
3241	coro->prio = newprio;	3446	coro->prio = newprio;
3242	}	3447	}
3243	}	3448	}
3244	OUTPUT:	3449	OUTPUT:
…		…
3257	PROTOTYPE:	3462	PROTOTYPE:
3258	CODE:	3463	CODE:
3259	RETVAL = coro_nready;	3464	RETVAL = coro_nready;
3260	OUTPUT:	3465	OUTPUT:
3261	RETVAL	3466	RETVAL
		3467
		3468	void
		3469	suspend (Coro::State self)
		3470	PROTOTYPE: $
		3471	CODE:
		3472	self->flags |= CF_SUSPENDED;
		3473
		3474	void
		3475	resume (Coro::State self)
		3476	PROTOTYPE: $
		3477	CODE:
		3478	self->flags &= ~CF_SUSPENDED;
3262		3479
3263	void	3480	void
3264	_pool_handler (...)	3481	_pool_handler (...)
3265	CODE:	3482	CODE:
3266	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3483	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3321	rouse_wait (...)	3538	rouse_wait (...)
3322	PROTOTYPE: ;$	3539	PROTOTYPE: ;$
3323	PPCODE:	3540	PPCODE:
3324	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3541	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3325		3542
		3543	void
		3544	on_enter (SV *block)
		3545	ALIAS:
		3546	on_leave = 1
		3547	PROTOTYPE: &
		3548	CODE:
		3549	{
		3550	struct coro *coro = SvSTATE_current;
		3551	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3552
		3553	block = s_get_cv_croak (block);
		3554
		3555	if (!*avp)
		3556	*avp = newAV ();
		3557
		3558	av_push (*avp, SvREFCNT_inc (block));
		3559
		3560	if (!ix)
		3561	on_enterleave_call (aTHX_ block);
		3562
		3563	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3564	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3565	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3566	}
		3567
3326		3568
3327	MODULE = Coro::State PACKAGE = PerlIO::cede	3569	MODULE = Coro::State PACKAGE = PerlIO::cede
3328		3570
3329	BOOT:	3571	BOOT:
3330	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3572	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3333	MODULE = Coro::State PACKAGE = Coro::Semaphore	3575	MODULE = Coro::State PACKAGE = Coro::Semaphore
3334		3576
3335	SV *	3577	SV *
3336	new (SV *klass, SV *count = 0)	3578	new (SV *klass, SV *count = 0)
3337	CODE:	3579	CODE:
		3580	{
		3581	int semcnt = 1;
		3582
		3583	if (count)
		3584	{
		3585	SvGETMAGIC (count);
		3586
		3587	if (SvOK (count))
		3588	semcnt = SvIV (count);
		3589	}
		3590
3338	RETVAL = sv_bless (	3591	RETVAL = sv_bless (
3339	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3592	coro_waitarray_new (aTHX_ semcnt),
3340	GvSTASH (CvGV (cv))	3593	GvSTASH (CvGV (cv))
3341	);	3594	);
		3595	}
3342	OUTPUT:	3596	OUTPUT:
3343	RETVAL	3597	RETVAL
3344		3598
3345	# helper for Coro::Channel	3599	# helper for Coro::Channel and others
3346	SV *	3600	SV *
3347	_alloc (int count)	3601	_alloc (int count)
3348	CODE:	3602	CODE:
3349	RETVAL = coro_waitarray_new (aTHX_ count);	3603	RETVAL = coro_waitarray_new (aTHX_ count);
3350	OUTPUT:	3604	OUTPUT:
…		…
3408	for (i = 1; i <= wcount; ++i)	3662	for (i = 1; i <= wcount; ++i)
3409	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3663	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3410	}	3664	}
3411	}	3665	}
3412		3666
		3667	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3668
		3669	void
		3670	_may_delete (SV *sem, int count, int extra_refs)
		3671	PPCODE:
		3672	{
		3673	AV *av = (AV *)SvRV (sem);
		3674
		3675	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3676	&& AvFILLp (av) == 0 /* no waiters, just count */
		3677	&& SvIV (AvARRAY (av)[0]) == count)
		3678	XSRETURN_YES;
		3679
		3680	XSRETURN_NO;
		3681	}
		3682
3413	MODULE = Coro::State PACKAGE = Coro::Signal	3683	MODULE = Coro::State PACKAGE = Coro::Signal
3414		3684
3415	SV *	3685	SV *
3416	new (SV *klass)	3686	new (SV *klass)
3417	CODE:	3687	CODE:
…		…
3488		3758
3489	void	3759	void
3490	_register (char *target, char *proto, SV *req)	3760	_register (char *target, char *proto, SV *req)
3491	CODE:	3761	CODE:
3492	{	3762	{
3493	CV *req_cv = coro_sv_2cv (aTHX_ req);	3763	SV *req_cv = s_get_cv_croak (req);
3494	/* newXSproto doesn't return the CV on 5.8 */	3764	/* newXSproto doesn't return the CV on 5.8 */
3495	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3765	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3496	sv_setpv ((SV *)slf_cv, proto);	3766	sv_setpv ((SV *)slf_cv, proto);
3497	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3767	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3498	}	3768	}
3499		3769
		3770	MODULE = Coro::State PACKAGE = Coro::Select
		3771
		3772	void
		3773	patch_pp_sselect ()
		3774	CODE:
		3775	if (!coro_old_pp_sselect)
		3776	{
		3777	coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
		3778	coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
		3779	PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
		3780	}
		3781
		3782	void
		3783	unpatch_pp_sselect ()
		3784	CODE:
		3785	if (coro_old_pp_sselect)
		3786	{
		3787	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
		3788	coro_old_pp_sselect = 0;
		3789	}
		3790
		3791

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