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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.357 by root, Sat Jun 27 14:09:28 2009 UTC vs.
Revision 1.394 by root, Sat Apr 30 05:17:43 2011 UTC

		1	/* this works around a bug in mingw32 providing a non-working setjmp */
		2	#define USE_NO_MINGW_SETJMP_TWO_ARGS
		3
		4	#define NDEBUG 1
		5
1	#include "libcoro/coro.c"	6	#include "libcoro/coro.c"
2		7
3	#define PERL_NO_GET_CONTEXT	8	#define PERL_NO_GET_CONTEXT
4	#define PERL_EXT	9	#define PERL_EXT
5		10
6	#include "EXTERN.h"	11	#include "EXTERN.h"
7	#include "perl.h"	12	#include "perl.h"
8	#include "XSUB.h"	13	#include "XSUB.h"
9	#include "perliol.h"	14	#include "perliol.h"
10		15
11	#include "patchlevel.h"	16	#include "schmorp.h"
12		17
13	#include <stdio.h>	18	#include <stdio.h>
14	#include <errno.h>	19	#include <errno.h>
15	#include <assert.h>	20	#include <assert.h>
16		21
17	#ifdef WIN32	22	#ifndef SVs_PADSTALE
		23	# define SVs_PADSTALE 0
		24	#endif
		25
		26	#if defined(_WIN32)
		27	# undef HAS_GETTIMEOFDAY
18	# undef setjmp	28	# undef setjmp
19	# undef longjmp	29	# undef longjmp
20	# undef _exit	30	# undef _exit
21	# define setjmp _setjmp /* deep magic */	31	# define setjmp _setjmp /* deep magic */
22	#else	32	#else
…		…
51	#endif	61	#endif
52		62
53	/* the maximum number of idle cctx that will be pooled */	63	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	64	static int cctx_max_idle = 4;
55		65
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	66	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	67	# undef CORO_STACKGUARD
117	#endif	68	#endif
118		69
119	#ifndef CORO_STACKGUARD	70	#ifndef CORO_STACKGUARD
…		…
159	# if CORO_PTHREAD	110	# if CORO_PTHREAD
160	static void *coro_thx;	111	static void *coro_thx;
161	# endif	112	# endif
162	#endif	113	#endif
163		114
		115	#ifdef __linux
		116	# include <time.h> /* for timespec */
		117	# include <syscall.h> /* for SYS_* */
		118	# ifdef SYS_clock_gettime
		119	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		120	# define CORO_CLOCK_MONOTONIC 1
		121	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		122	# endif
		123	#endif
		124
164	static double (*nvtime)(); /* so why doesn't it take void? */	125	static double (*nvtime)(); /* so why doesn't it take void? */
		126	static void (*u2time)(pTHX_ UV ret[2]);
165		127
166	/* we hijack an hopefully unused CV flag for our purposes */	128	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	129	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	130	static OP *pp_slf (pTHX);
169		131
…		…
190	static SV *sv_pool_size;	152	static SV *sv_pool_size;
191	static SV *sv_async_pool_idle; /* description string */	153	static SV *sv_async_pool_idle; /* description string */
192	static AV *av_async_pool; /* idle pool */	154	static AV *av_async_pool; /* idle pool */
193	static SV *sv_Coro; /* class string */	155	static SV *sv_Coro; /* class string */
194	static CV *cv_pool_handler;	156	static CV *cv_pool_handler;
195	static CV *cv_coro_state_new;
196		157
197	/* Coro::AnyEvent */	158	/* Coro::AnyEvent */
198	static SV *sv_activity;	159	static SV *sv_activity;
		160
		161	/* enable processtime/realtime profiling */
		162	static char enable_times;
		163	typedef U32 coro_ts[2];
		164	static coro_ts time_real, time_cpu;
		165	static char times_valid;
199		166
200	static struct coro_cctx *cctx_first;	167	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	168	static int cctx_count, cctx_idle;
202		169
203	enum {	170	enum {
…		…
229	int valgrind_id;	196	int valgrind_id;
230	#endif	197	#endif
231	unsigned char flags;	198	unsigned char flags;
232	} coro_cctx;	199	} coro_cctx;
233		200
234	coro_cctx *cctx_current; /* the currently running cctx */	201	static coro_cctx *cctx_current; /* the currently running cctx */
235		202
236	/*****************************************************************************/	203	/*****************************************************************************/
237		204
238	enum {	205	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	206	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	207	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	208	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	209	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
243	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */	210	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
		211	CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */
244	};	212	};
245		213
246	/* the structure where most of the perl state is stored, overlaid on the cxstack */	214	/* the structure where most of the perl state is stored, overlaid on the cxstack */
247	typedef struct	215	typedef struct
248	{	216	{
…		…
274	CV *startcv; /* the CV to execute */	242	CV *startcv; /* the CV to execute */
275	AV *args; /* data associated with this coroutine (initial args) */	243	AV *args; /* data associated with this coroutine (initial args) */
276	int refcnt; /* coroutines are refcounted, yes */	244	int refcnt; /* coroutines are refcounted, yes */
277	int flags; /* CF_ flags */	245	int flags; /* CF_ flags */
278	HV *hv; /* the perl hash associated with this coro, if any */	246	HV *hv; /* the perl hash associated with this coro, if any */
279	void (*on_destroy)(pTHX_ struct coro *coro);	247	void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */
280		248
281	/* statistics */	249	/* statistics */
282	int usecount; /* number of transfers to this coro */	250	int usecount; /* number of transfers to this coro */
283		251
284	/* coro process data */	252	/* coro process data */
…		…
293		261
294	/* on_enter/on_leave */	262	/* on_enter/on_leave */
295	AV *on_enter;	263	AV *on_enter;
296	AV *on_leave;	264	AV *on_leave;
297		265
		266	/* swap_sv */
		267	AV *swap_sv;
		268
		269	/* times */
		270	coro_ts t_cpu, t_real;
		271
298	/* linked list */	272	/* linked list */
299	struct coro *next, *prev;	273	struct coro *next, *prev;
300	};	274	};
301		275
302	typedef struct coro *Coro__State;	276	typedef struct coro *Coro__State;
303	typedef struct coro *Coro__State_or_hashref;	277	typedef struct coro *Coro__State_or_hashref;
304		278
305	/* the following variables are effectively part of the perl context */	279	/* the following variables are effectively part of the perl context */
306	/* and get copied between struct coro and these variables */	280	/* and get copied between struct coro and these variables */
307	/* the mainr easonw e don't support windows process emulation */	281	/* the main reason we don't support windows process emulation */
308	static struct CoroSLF slf_frame; /* the current slf frame */	282	static struct CoroSLF slf_frame; /* the current slf frame */
309		283
310	/** Coro ********************************************************************/	284	/** Coro ********************************************************************/
311		285
312	#define PRIO_MAX 3	286	#define CORO_PRIO_MAX 3
313	#define PRIO_HIGH 1	287	#define CORO_PRIO_HIGH 1
314	#define PRIO_NORMAL 0	288	#define CORO_PRIO_NORMAL 0
315	#define PRIO_LOW -1	289	#define CORO_PRIO_LOW -1
316	#define PRIO_IDLE -3	290	#define CORO_PRIO_IDLE -3
317	#define PRIO_MIN -4	291	#define CORO_PRIO_MIN -4
318		292
319	/* for Coro.pm */	293	/* for Coro.pm */
320	static SV *coro_current;	294	static SV *coro_current;
321	static SV *coro_readyhook;	295	static SV *coro_readyhook;
322	static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */	296	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
323	static CV *cv_coro_run, *cv_coro_terminate;	297	static CV *cv_coro_run, *cv_coro_terminate;
324	static struct coro *coro_first;	298	static struct coro *coro_first;
325	#define coro_nready coroapi.nready	299	#define coro_nready coroapi.nready
		300
		301	/** Coro::Select ************************************************************/
		302
		303	static OP *(*coro_old_pp_sselect) (pTHX);
		304	static SV *coro_select_select;
		305
		306	/* horrible hack, but if it works... */
		307	static OP *
		308	coro_pp_sselect (pTHX)
		309	{
		310	dSP;
		311	PUSHMARK (SP - 4); /* fake argument list */
		312	XPUSHs (coro_select_select);
		313	PUTBACK;
		314
		315	/* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
		316	PL_op->op_flags |= OPf_STACKED;
		317	PL_op->op_private = 0;
		318	return PL_ppaddr [OP_ENTERSUB](aTHX);
		319	}
		320
		321	/** time stuff **************************************************************/
		322
		323	#ifdef HAS_GETTIMEOFDAY
		324
		325	static void
		326	coro_u2time (pTHX_ UV ret[2])
		327	{
		328	struct timeval tv;
		329	gettimeofday (&tv, 0);
		330
		331	ret [0] = tv.tv_sec;
		332	ret [1] = tv.tv_usec;
		333	}
		334
		335	static double
		336	coro_nvtime ()
		337	{
		338	struct timeval tv;
		339	gettimeofday (&tv, 0);
		340
		341	return tv.tv_sec + tv.tv_usec * 1e-6;
		342	}
		343
		344	static void
		345	time_init (pTHX)
		346	{
		347	nvtime = coro_nvtime;
		348	u2time = coro_u2time;
		349	}
		350
		351	#else
		352
		353	static void
		354	time_init (pTHX)
		355	{
		356	SV **svp;
		357
		358	require_pv ("Time/HiRes.pm");
		359
		360	svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		361
		362	if (!svp) croak ("Time::HiRes is required, but missing. Caught");
		363	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
		364
		365	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		366
		367	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		368	u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
		369	}
		370
		371	#endif
326		372
327	/** lowlevel stuff **********************************************************/	373	/** lowlevel stuff **********************************************************/
328		374
329	static SV *	375	static SV *
330	coro_get_sv (pTHX_ const char *name, int create)	376	coro_get_sv (pTHX_ const char *name, int create)
…		…
354	get_hv (name, create);	400	get_hv (name, create);
355	#endif	401	#endif
356	return get_hv (name, create);	402	return get_hv (name, create);
357	}	403	}
358		404
359	/* may croak */	405	INLINE void
360	INLINE CV *	406	coro_times_update ()
361	coro_sv_2cv (pTHX_ SV *sv)
362	{	407	{
363	HV *st;	408	#ifdef coro_clock_gettime
364	GV *gvp;	409	struct timespec ts;
365	CV *cv = sv_2cv (sv, &st, &gvp, 0);
366		410
367	if (!cv)	411	ts.tv_sec = ts.tv_nsec = 0;
368	croak ("code reference expected");	412	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		413	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
369		414
370	return cv;	415	ts.tv_sec = ts.tv_nsec = 0;
		416	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		417	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		418	#else
		419	dTHX;
		420	UV tv[2];
		421
		422	u2time (aTHX_ tv);
		423	time_real [0] = tv [0];
		424	time_real [1] = tv [1] * 1000;
		425	#endif
		426	}
		427
		428	INLINE void
		429	coro_times_add (struct coro *c)
		430	{
		431	c->t_real [1] += time_real [1];
		432	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		433	c->t_real [0] += time_real [0];
		434
		435	c->t_cpu [1] += time_cpu [1];
		436	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		437	c->t_cpu [0] += time_cpu [0];
		438	}
		439
		440	INLINE void
		441	coro_times_sub (struct coro *c)
		442	{
		443	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		444	c->t_real [1] -= time_real [1];
		445	c->t_real [0] -= time_real [0];
		446
		447	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		448	c->t_cpu [1] -= time_cpu [1];
		449	c->t_cpu [0] -= time_cpu [0];
371	}	450	}
372		451
373	/*****************************************************************************/	452	/*****************************************************************************/
374	/* magic glue */	453	/* magic glue */
375		454
…		…
475	static int	554	static int
476	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	555	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
477	{	556	{
478	AV *padlist;	557	AV *padlist;
479	AV *av = (AV *)mg->mg_obj;	558	AV *av = (AV *)mg->mg_obj;
		559
		560	/* perl manages to free our internal AV and _then_ call us */
		561	if (IN_DESTRUCT)
		562	return 0;
480		563
481	/* casting is fun. */	564	/* casting is fun. */
482	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	565	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
483	free_padlist (aTHX_ padlist);	566	free_padlist (aTHX_ padlist);
484		567
…		…
533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	616	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
534	}	617	}
535		618
536	/** load & save, init *******************************************************/	619	/** load & save, init *******************************************************/
537		620
		621	/* swap sv heads, at least logically */
		622	static void
		623	swap_svs (pTHX_ Coro__State c)
		624	{
		625	int i;
		626
		627	for (i = 0; i <= AvFILLp (c->swap_sv); )
		628	{
		629	SV *a = AvARRAY (c->swap_sv)[i++];
		630	SV *b = AvARRAY (c->swap_sv)[i++];
		631
		632	const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
		633	SV tmp;
		634
		635	/* swap sv_any */
		636	SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
		637
		638	/* swap sv_flags */
		639	SvFLAGS (&tmp) = SvFLAGS (a);
		640	SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
		641	SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
		642
		643	#if PERL_VERSION_ATLEAST (5,10,0)
		644	/* perl 5.10 complicates this _quite_ a bit, but it also is
		645	* much faster, so no quarrels here. alternatively, we could
		646	* sv_upgrade to avoid this.
		647	*/
		648	{
		649	/* swap sv_u */
		650	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
		651
		652	/* if SvANY points to the head, we need to adjust the pointers,
		653	* as the pointer for a still points to b, and maybe vice versa.
		654	*/
		655	#define svany_in_head(type) \
		656	(((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
		657
		658	if (svany_in_head (SvTYPE (a)))
		659	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
		660
		661	if (svany_in_head (SvTYPE (b)))
		662	SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
		663	}
		664	#endif
		665	}
		666	}
		667
		668	#define SWAP_SVS(coro) \
		669	if (expect_false ((coro)->swap_sv)) \
		670	swap_svs (aTHX_ (coro))
		671
538	static void	672	static void
539	on_enterleave_call (pTHX_ SV *cb);	673	on_enterleave_call (pTHX_ SV *cb);
540		674
541	static void	675	static void
542	load_perl (pTHX_ Coro__State c)	676	load_perl (pTHX_ Coro__State c)
…		…
573	}	707	}
574		708
575	slf_frame = c->slf_frame;	709	slf_frame = c->slf_frame;
576	CORO_THROW = c->except;	710	CORO_THROW = c->except;
577		711
		712	if (expect_false (enable_times))
		713	{
		714	if (expect_false (!times_valid))
		715	coro_times_update ();
		716
		717	coro_times_sub (c);
		718	}
		719
578	if (expect_false (c->on_enter))	720	if (expect_false (c->on_enter))
579	{	721	{
580	int i;	722	int i;
581		723
582	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	724	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
583	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	725	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
584	}	726	}
		727
		728	SWAP_SVS (c);
585	}	729	}
586		730
587	static void	731	static void
588	save_perl (pTHX_ Coro__State c)	732	save_perl (pTHX_ Coro__State c)
589	{	733	{
		734	SWAP_SVS (c);
		735
590	if (expect_false (c->on_leave))	736	if (expect_false (c->on_leave))
591	{	737	{
592	int i;	738	int i;
593		739
594	for (i = AvFILLp (c->on_leave); i >= 0; --i)	740	for (i = AvFILLp (c->on_leave); i >= 0; --i)
595	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);	741	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		742	}
		743
		744	times_valid = 0;
		745
		746	if (expect_false (enable_times))
		747	{
		748	coro_times_update (); times_valid = 1;
		749	coro_times_add (c);
596	}	750	}
597		751
598	c->except = CORO_THROW;	752	c->except = CORO_THROW;
599	c->slf_frame = slf_frame;	753	c->slf_frame = slf_frame;
600		754
…		…
649	/* we manually unroll here, as usually 2 slots is enough */	803	/* we manually unroll here, as usually 2 slots is enough */
650	if (SLOT_COUNT >= 1) CXINC;	804	if (SLOT_COUNT >= 1) CXINC;
651	if (SLOT_COUNT >= 2) CXINC;	805	if (SLOT_COUNT >= 2) CXINC;
652	if (SLOT_COUNT >= 3) CXINC;	806	if (SLOT_COUNT >= 3) CXINC;
653	{	807	{
654	int i;	808	unsigned int i;
655	for (i = 3; i < SLOT_COUNT; ++i)	809	for (i = 3; i < SLOT_COUNT; ++i)
656	CXINC;	810	CXINC;
657	}	811	}
658	cxstack_ix -= SLOT_COUNT; /* undo allocation */	812	cxstack_ix -= SLOT_COUNT; /* undo allocation */
659		813
…		…
893	slf_check_repeat (pTHX_ struct CoroSLF *frame)	1047	slf_check_repeat (pTHX_ struct CoroSLF *frame)
894	{	1048	{
895	return 1;	1049	return 1;
896	}	1050	}
897		1051
898	static UNOP coro_setup_op;	1052	static UNOP init_perl_op;
899		1053
900	static void NOINLINE /* noinline to keep it out of the transfer fast path */	1054	static void NOINLINE /* noinline to keep it out of the transfer fast path */
901	coro_setup (pTHX_ struct coro *coro)	1055	init_perl (pTHX_ struct coro *coro)
902	{	1056	{
903	/*	1057	/*
904	* emulate part of the perl startup here.	1058	* emulate part of the perl startup here.
905	*/	1059	*/
906	coro_init_stacks (aTHX);	1060	coro_init_stacks (aTHX);
…		…
913	PL_comppad_name_fill = 0;	1067	PL_comppad_name_fill = 0;
914	PL_comppad_name_floor = 0;	1068	PL_comppad_name_floor = 0;
915	PL_curpm = 0;	1069	PL_curpm = 0;
916	PL_curpad = 0;	1070	PL_curpad = 0;
917	PL_localizing = 0;	1071	PL_localizing = 0;
918	PL_dirty = 0;
919	PL_restartop = 0;	1072	PL_restartop = 0;
920	#if PERL_VERSION_ATLEAST (5,10,0)	1073	#if PERL_VERSION_ATLEAST (5,10,0)
921	PL_parser = 0;	1074	PL_parser = 0;
922	#endif	1075	#endif
923	PL_hints = 0;	1076	PL_hints = 0;
…		…
955	*/	1108	*/
956	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	1109	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
957	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	1110	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
958		1111
959	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	1112	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
960	coro_setup_op.op_next = PL_op;	1113	init_perl_op.op_next = PL_op;
961	coro_setup_op.op_type = OP_ENTERSUB;	1114	init_perl_op.op_type = OP_ENTERSUB;
962	coro_setup_op.op_ppaddr = pp_slf;	1115	init_perl_op.op_ppaddr = pp_slf;
963	/* no flags etc. required, as an init function won't be called */	1116	/* no flags etc. required, as an init function won't be called */
964		1117
965	PL_op = (OP *)&coro_setup_op;	1118	PL_op = (OP *)&init_perl_op;
966		1119
967	/* copy throw, in case it was set before coro_setup */	1120	/* copy throw, in case it was set before init_perl */
968	CORO_THROW = coro->except;	1121	CORO_THROW = coro->except;
		1122
		1123	SWAP_SVS (coro);
		1124
		1125	if (expect_false (enable_times))
		1126	{
		1127	coro_times_update ();
		1128	coro_times_sub (coro);
		1129	}
969	}	1130	}
970		1131
971	static void	1132	static void
972	coro_unwind_stacks (pTHX)	1133	coro_unwind_stacks (pTHX)
973	{	1134	{
…		…
988	dounwind (-1);	1149	dounwind (-1);
989	}	1150	}
990	}	1151	}
991		1152
992	static void	1153	static void
993	coro_destruct_perl (pTHX_ struct coro *coro)	1154	destroy_perl (pTHX_ struct coro *coro)
994	{	1155	{
995	SV *svf [9];	1156	SV *svf [9];
996		1157
997	{	1158	{
998	struct coro *current = SvSTATE_current;	1159	struct coro *current = SvSTATE_current;
…		…
1002	save_perl (aTHX_ current);	1163	save_perl (aTHX_ current);
1003	load_perl (aTHX_ coro);	1164	load_perl (aTHX_ coro);
1004		1165
1005	coro_unwind_stacks (aTHX);	1166	coro_unwind_stacks (aTHX);
1006	coro_destruct_stacks (aTHX);	1167	coro_destruct_stacks (aTHX);
		1168
		1169	/* restore swapped sv's */
		1170	SWAP_SVS (coro);
1007		1171
1008	// now save some sv's to be free'd later	1172	// now save some sv's to be free'd later
1009	svf [0] = GvSV (PL_defgv);	1173	svf [0] = GvSV (PL_defgv);
1010	svf [1] = (SV *)GvAV (PL_defgv);	1174	svf [1] = (SV *)GvAV (PL_defgv);
1011	svf [2] = GvSV (PL_errgv);	1175	svf [2] = GvSV (PL_errgv);
…		…
1019		1183
1020	load_perl (aTHX_ current);	1184	load_perl (aTHX_ current);
1021	}	1185	}
1022		1186
1023	{	1187	{
1024	int i;	1188	unsigned int i;
1025		1189
1026	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)	1190	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1027	SvREFCNT_dec (svf [i]);	1191	SvREFCNT_dec (svf [i]);
1028		1192
1029	SvREFCNT_dec (coro->saved_deffh);	1193	SvREFCNT_dec (coro->saved_deffh);
…		…
1235	/* somebody or something will hit me for both perl_run and PL_restartop */	1399	/* somebody or something will hit me for both perl_run and PL_restartop */
1236	PL_restartop = PL_op;	1400	PL_restartop = PL_op;
1237	perl_run (PL_curinterp);	1401	perl_run (PL_curinterp);
1238	/*	1402	/*
1239	* Unfortunately, there is no way to get at the return values of the	1403	* Unfortunately, there is no way to get at the return values of the
1240	* coro body here, as perl_run destroys these	1404	* coro body here, as perl_run destroys these. Likewise, we cannot catch
		1405	* runtime errors here, as this is just a random interpreter, not a thread.
1241	*/	1406	*/
1242		1407
1243	/*	1408	/*
1244	* If perl-run returns we assume exit() was being called or the coro	1409	* If perl-run returns we assume exit() was being called or the coro
1245	* fell off the end, which seems to be the only valid (non-bug)	1410	* fell off the end, which seems to be the only valid (non-bug)
…		…
1332	cctx_destroy (coro_cctx *cctx)	1497	cctx_destroy (coro_cctx *cctx)
1333	{	1498	{
1334	if (!cctx)	1499	if (!cctx)
1335	return;	1500	return;
1336		1501
1337	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?	1502	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1338		1503
1339	--cctx_count;	1504	--cctx_count;
1340	coro_destroy (&cctx->cctx);	1505	coro_destroy (&cctx->cctx);
1341		1506
1342	/* coro_transfer creates new, empty cctx's */	1507	/* coro_transfer creates new, empty cctx's */
…		…
1452	if (expect_false (next->flags & CF_NEW))	1617	if (expect_false (next->flags & CF_NEW))
1453	{	1618	{
1454	/* need to start coroutine */	1619	/* need to start coroutine */
1455	next->flags &= ~CF_NEW;	1620	next->flags &= ~CF_NEW;
1456	/* setup coroutine call */	1621	/* setup coroutine call */
1457	coro_setup (aTHX_ next);	1622	init_perl (aTHX_ next);
1458	}	1623	}
1459	else	1624	else
1460	load_perl (aTHX_ next);	1625	load_perl (aTHX_ next);
1461		1626
1462	/* possibly untie and reuse the cctx */	1627	/* possibly untie and reuse the cctx */
…		…
1501	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))	1666	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1502	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1667	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1503		1668
1504	/** high level stuff ********************************************************/	1669	/** high level stuff ********************************************************/
1505		1670
1506	static int	1671	static void
1507	coro_state_destroy (pTHX_ struct coro *coro)	1672	coro_state_destroy (pTHX_ struct coro *coro)
1508	{	1673	{
1509	if (coro->flags & CF_DESTROYED)	1674	if (coro->flags & CF_DESTROYED)
1510	return 0;	1675	return;
1511		1676
		1677	/* this callback is reserved for slf functions needing to do cleanup */
1512	if (coro->on_destroy && !PL_dirty)	1678	if (coro->on_destroy && !PL_dirty)
1513	coro->on_destroy (aTHX_ coro);	1679	coro->on_destroy (aTHX_ coro);
		1680
		1681	/*
		1682	* The on_destroy above most likely is from an SLF call.
		1683	* Since by definition the SLF call will not finish when we destroy
		1684	* the coro, we will have to force-finish it here, otherwise
		1685	* cleanup functions cannot call SLF functions.
		1686	*/
		1687	coro->slf_frame.prepare = 0;
1514		1688
1515	coro->flags |= CF_DESTROYED;	1689	coro->flags |= CF_DESTROYED;
1516		1690
1517	if (coro->flags & CF_READY)	1691	if (coro->flags & CF_READY)
1518	{	1692	{
…		…
1525		1699
1526	if (coro->mainstack	1700	if (coro->mainstack
1527	&& coro->mainstack != main_mainstack	1701	&& coro->mainstack != main_mainstack
1528	&& coro->slot	1702	&& coro->slot
1529	&& !PL_dirty)	1703	&& !PL_dirty)
1530	coro_destruct_perl (aTHX_ coro);	1704	destroy_perl (aTHX_ coro);
		1705
		1706	if (coro->next) coro->next->prev = coro->prev;
		1707	if (coro->prev) coro->prev->next = coro->next;
		1708	if (coro == coro_first) coro_first = coro->next;
1531		1709
1532	cctx_destroy (coro->cctx);	1710	cctx_destroy (coro->cctx);
1533	SvREFCNT_dec (coro->startcv);	1711	SvREFCNT_dec (coro->startcv);
1534	SvREFCNT_dec (coro->args);	1712	SvREFCNT_dec (coro->args);
		1713	SvREFCNT_dec (coro->swap_sv);
1535	SvREFCNT_dec (CORO_THROW);	1714	SvREFCNT_dec (CORO_THROW);
1536
1537	if (coro->next) coro->next->prev = coro->prev;
1538	if (coro->prev) coro->prev->next = coro->next;
1539	if (coro == coro_first) coro_first = coro->next;
1540
1541	return 1;
1542	}	1715	}
1543		1716
1544	static int	1717	static int
1545	coro_state_free (pTHX_ SV *sv, MAGIC *mg)	1718	coro_state_free (pTHX_ SV *sv, MAGIC *mg)
1546	{	1719	{
…		…
1594		1767
1595	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1768	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1596	TRANSFER (ta, 1);	1769	TRANSFER (ta, 1);
1597	}	1770	}
1598		1771
1599	/*****************************************************************************/
1600	/* gensub: simple closure generation utility */
1601
1602	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1603
1604	/* create a closure from XS, returns a code reference */
1605	/* the arg can be accessed via GENSUB_ARG from the callback */
1606	/* the callback must use dXSARGS/XSRETURN */
1607	static SV *
1608	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1609	{
1610	CV *cv = (CV *)newSV (0);
1611
1612	sv_upgrade ((SV *)cv, SVt_PVCV);
1613
1614	CvANON_on (cv);
1615	CvISXSUB_on (cv);
1616	CvXSUB (cv) = xsub;
1617	GENSUB_ARG = arg;
1618
1619	return newRV_noinc ((SV *)cv);
1620	}
1621
1622	/** Coro ********************************************************************/	1772	/** Coro ********************************************************************/
1623		1773
1624	INLINE void	1774	INLINE void
1625	coro_enq (pTHX_ struct coro *coro)	1775	coro_enq (pTHX_ struct coro *coro)
1626	{	1776	{
1627	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];	1777	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1628		1778
1629	SvREFCNT_inc_NN (coro->hv);	1779	SvREFCNT_inc_NN (coro->hv);
1630		1780
1631	coro->next_ready = 0;	1781	coro->next_ready = 0;
1632	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;	1782	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
…		…
1636	INLINE struct coro *	1786	INLINE struct coro *
1637	coro_deq (pTHX)	1787	coro_deq (pTHX)
1638	{	1788	{
1639	int prio;	1789	int prio;
1640		1790
1641	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1791	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1642	{	1792	{
1643	struct coro **ready = coro_ready [prio];	1793	struct coro **ready = coro_ready [prio];
1644		1794
1645	if (ready [0])	1795	if (ready [0])
1646	{	1796	{
…		…
1651	}	1801	}
1652		1802
1653	return 0;	1803	return 0;
1654	}	1804	}
1655		1805
		1806	static void
		1807	invoke_sv_ready_hook_helper (void)
		1808	{
		1809	dTHX;
		1810	dSP;
		1811
		1812	ENTER;
		1813	SAVETMPS;
		1814
		1815	PUSHMARK (SP);
		1816	PUTBACK;
		1817	call_sv (coro_readyhook, G_VOID | G_DISCARD);
		1818
		1819	FREETMPS;
		1820	LEAVE;
		1821	}
		1822
1656	static int	1823	static int
1657	api_ready (pTHX_ SV *coro_sv)	1824	api_ready (pTHX_ SV *coro_sv)
1658	{	1825	{
1659	struct coro *coro;
1660	SV *sv_hook;
1661	void (*xs_hook)(void);
1662
1663	coro = SvSTATE (coro_sv);	1826	struct coro *coro = SvSTATE (coro_sv);
1664		1827
1665	if (coro->flags & CF_READY)	1828	if (coro->flags & CF_READY)
1666	return 0;	1829	return 0;
1667		1830
1668	coro->flags |= CF_READY;	1831	coro->flags |= CF_READY;
1669		1832
1670	sv_hook = coro_nready ? 0 : coro_readyhook;
1671	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1672
1673	coro_enq (aTHX_ coro);	1833	coro_enq (aTHX_ coro);
1674	++coro_nready;
1675		1834
1676	if (sv_hook)	1835	if (!coro_nready++)
1677	{	1836	if (coroapi.readyhook)
1678	dSP;	1837	coroapi.readyhook ();
1679
1680	ENTER;
1681	SAVETMPS;
1682
1683	PUSHMARK (SP);
1684	PUTBACK;
1685	call_sv (sv_hook, G_VOID | G_DISCARD);
1686
1687	FREETMPS;
1688	LEAVE;
1689	}
1690
1691	if (xs_hook)
1692	xs_hook ();
1693		1838
1694	return 1;	1839	return 1;
1695	}	1840	}
1696		1841
1697	static int	1842	static int
…		…
1742	{	1887	{
1743	/* nothing to schedule: call the idle handler */	1888	/* nothing to schedule: call the idle handler */
1744	if (SvROK (sv_idle)	1889	if (SvROK (sv_idle)
1745	&& SvOBJECT (SvRV (sv_idle)))	1890	&& SvOBJECT (SvRV (sv_idle)))
1746	{	1891	{
		1892	if (SvRV (sv_idle) == SvRV (coro_current))
		1893	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");
		1894
1747	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	1895	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1748	api_ready (aTHX_ SvRV (sv_idle));	1896	api_ready (aTHX_ SvRV (sv_idle));
1749	--coro_nready;	1897	--coro_nready;
1750	}	1898	}
1751	else	1899	else
1752	{	1900	{
		1901	/* TODO: deprecated, remove, cannot work reliably *//*D*/
1753	dSP;	1902	dSP;
1754		1903
1755	ENTER;	1904	ENTER;
1756	SAVETMPS;	1905	SAVETMPS;
1757		1906
…		…
1867		2016
1868	static void	2017	static void
1869	coro_call_on_destroy (pTHX_ struct coro *coro)	2018	coro_call_on_destroy (pTHX_ struct coro *coro)
1870	{	2019	{
1871	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);	2020	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
1872	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
1873		2021
1874	if (on_destroyp)	2022	if (on_destroyp)
1875	{	2023	{
1876	AV *on_destroy = (AV *)SvRV (*on_destroyp);	2024	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		2025	AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp)));
		2026	AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0;
1877		2027
1878	while (AvFILLp (on_destroy) >= 0)	2028	while (AvFILLp (on_destroy) >= 0)
1879	{	2029	{
1880	dSP; /* don't disturb outer sp */	2030	dSP; /* don't disturb outer sp */
1881	SV *cb = av_pop (on_destroy);	2031	SV *cb = av_pop (on_destroy);
…		…
1883	PUSHMARK (SP);	2033	PUSHMARK (SP);
1884		2034
1885	if (statusp)	2035	if (statusp)
1886	{	2036	{
1887	int i;	2037	int i;
1888	AV *status = (AV *)SvRV (*statusp);
1889	EXTEND (SP, AvFILLp (status) + 1);	2038	EXTEND (SP, AvFILLp (status) + 1);
1890		2039
1891	for (i = 0; i <= AvFILLp (status); ++i)	2040	for (i = 0; i <= AvFILLp (status); ++i)
1892	PUSHs (AvARRAY (status)[i]);	2041	PUSHs (AvARRAY (status)[i]);
1893	}	2042	}
…		…
1897	}	2046	}
1898	}	2047	}
1899	}	2048	}
1900		2049
1901	static void	2050	static void
1902	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2051	coro_set_status (HV *coro_hv, SV **arg, int items)
1903	{	2052	{
1904	int i;
1905	HV *hv = (HV *)SvRV (coro_current);
1906	AV *av = newAV ();	2053	AV *av = newAV ();
1907		2054
		2055	/* items are actually not so common, so optimise for this case */
		2056	if (items)
		2057	{
		2058	int i;
		2059
1908	av_extend (av, items - 1);	2060	av_extend (av, items - 1);
		2061
1909	for (i = 0; i < items; ++i)	2062	for (i = 0; i < items; ++i)
1910	av_push (av, SvREFCNT_inc_NN (arg [i]));	2063	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2064	}
1911		2065
1912	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);	2066	hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		2067	}
1913		2068
		2069	static void
		2070	slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)
		2071	{
1914	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */	2072	av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */
1915	api_ready (aTHX_ sv_manager);	2073	api_ready (aTHX_ sv_manager);
1916		2074
1917	frame->prepare = prepare_schedule;	2075	frame->prepare = prepare_schedule;
1918	frame->check = slf_check_repeat;	2076	frame->check = slf_check_repeat;
1919		2077
1920	/* as a minor optimisation, we could unwind all stacks here */	2078	/* as a minor optimisation, we could unwind all stacks here */
1921	/* but that puts extra pressure on pp_slf, and is not worth much */	2079	/* but that puts extra pressure on pp_slf, and is not worth much */
1922	/*coro_unwind_stacks (aTHX);*/	2080	/*coro_unwind_stacks (aTHX);*/
		2081	}
		2082
		2083	static void
		2084	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2085	{
		2086	HV *coro_hv = (HV *)SvRV (coro_current);
		2087
		2088	coro_set_status (coro_hv, arg, items);
		2089	slf_init_terminate_cancel_common (frame, coro_hv);
		2090	}
		2091
		2092	static void
		2093	slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2094	{
		2095	HV *coro_hv;
		2096	struct coro *coro;
		2097
		2098	if (items <= 0)
		2099	croak ("Coro::cancel called without coro object,");
		2100
		2101	coro = SvSTATE (arg [0]);
		2102	coro_hv = coro->hv;
		2103
		2104	coro_set_status (coro_hv, arg + 1, items - 1);
		2105
		2106	if (expect_false (coro->flags & CF_NOCANCEL))
		2107	{
		2108	/* coro currently busy cancelling something, so just notify it */
		2109	coro->slf_frame.data = (void *)coro;
		2110
		2111	frame->prepare = prepare_nop;
		2112	frame->check = slf_check_nop;
		2113	}
		2114	else if (coro_hv == (HV *)SvRV (coro_current))
		2115	{
		2116	/* cancelling the current coro is allowed, and equals terminate */
		2117	slf_init_terminate_cancel_common (frame, coro_hv);
		2118	}
		2119	else
		2120	{
		2121	struct coro *self = SvSTATE_current;
		2122
		2123	/* otherwise we cancel directly, purely for speed reasons
		2124	* unfortunately, this requires some magic trickery, as
		2125	* somebody else could cancel us, so we have to fight the cancellation.
		2126	* this is ugly, and hopefully fully worth the extra speed.
		2127	* besides, I can't get the slow-but-safe version working...
		2128	*/
		2129	slf_frame.data = 0;
		2130	self->flags |= CF_NOCANCEL;
		2131
		2132	coro_state_destroy (aTHX_ coro);
		2133	coro_call_on_destroy (aTHX_ coro);
		2134
		2135	self->flags &= ~CF_NOCANCEL;
		2136
		2137	if (slf_frame.data)
		2138	{
		2139	/* while we were busy we have been cancelled, so terminate */
		2140	slf_init_terminate_cancel_common (frame, self->hv);
		2141	}
		2142	else
		2143	{
		2144	frame->prepare = prepare_nop;
		2145	frame->check = slf_check_nop;
		2146	}
		2147	}
1923	}	2148	}
1924		2149
1925	/*****************************************************************************/	2150	/*****************************************************************************/
1926	/* async pool handler */	2151	/* async pool handler */
1927		2152
…		…
2005		2230
2006	static void	2231	static void
2007	coro_rouse_callback (pTHX_ CV *cv)	2232	coro_rouse_callback (pTHX_ CV *cv)
2008	{	2233	{
2009	dXSARGS;	2234	dXSARGS;
2010	SV *data = (SV *)GENSUB_ARG;	2235	SV *data = (SV *)S_GENSUB_ARG;
2011		2236
2012	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2237	if (SvTYPE (SvRV (data)) != SVt_PVAV)
2013	{	2238	{
2014	/* first call, set args */	2239	/* first call, set args */
2015	SV *coro = SvRV (data);	2240	SV *coro = SvRV (data);
…		…
2081	|| SvTYPE (SvRV (cb)) != SVt_PVCV	2306	|| SvTYPE (SvRV (cb)) != SVt_PVCV
2082	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2307	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2083	croak ("Coro::rouse_wait called with illegal callback argument,");	2308	croak ("Coro::rouse_wait called with illegal callback argument,");
2084		2309
2085	{	2310	{
2086	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */	2311	CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2087	SV *data = (SV *)GENSUB_ARG;	2312	SV *data = (SV *)S_GENSUB_ARG;
2088		2313
2089	frame->data = (void *)data;	2314	frame->data = (void *)data;
2090	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2315	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2091	frame->check = slf_check_rouse_wait;	2316	frame->check = slf_check_rouse_wait;
2092	}	2317	}
…		…
2096	coro_new_rouse_cb (pTHX)	2321	coro_new_rouse_cb (pTHX)
2097	{	2322	{
2098	HV *hv = (HV *)SvRV (coro_current);	2323	HV *hv = (HV *)SvRV (coro_current);
2099	struct coro *coro = SvSTATE_hv (hv);	2324	struct coro *coro = SvSTATE_hv (hv);
2100	SV *data = newRV_inc ((SV *)hv);	2325	SV *data = newRV_inc ((SV *)hv);
2101	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2326	SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2102		2327
2103	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2328	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2104	SvREFCNT_dec (data); /* magicext increases the refcount */	2329	SvREFCNT_dec (data); /* magicext increases the refcount */
2105		2330
2106	SvREFCNT_dec (coro->rouse_cb);	2331	SvREFCNT_dec (coro->rouse_cb);
…		…
2331	if (PL_op->op_flags & OPf_STACKED)	2556	if (PL_op->op_flags & OPf_STACKED)
2332	{	2557	{
2333	if (items > slf_arga)	2558	if (items > slf_arga)
2334	{	2559	{
2335	slf_arga = items;	2560	slf_arga = items;
2336	free (slf_argv);	2561	Safefree (slf_argv);
2337	slf_argv = malloc (slf_arga * sizeof (SV *));	2562	New (0, slf_argv, slf_arga, SV *);
2338	}	2563	}
2339		2564
2340	slf_argc = items;	2565	slf_argc = items;
2341		2566
2342	for (i = 0; i < items; ++i)	2567	for (i = 0; i < items; ++i)
…		…
2629	{	2854	{
2630	if (items >= 2)	2855	if (items >= 2)
2631	{	2856	{
2632	/* callback form */	2857	/* callback form */
2633	AV *av = (AV *)SvRV (arg [0]);	2858	AV *av = (AV *)SvRV (arg [0]);
2634	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2859	SV *cb_cv = s_get_cv_croak (arg [1]);
2635		2860
2636	av_push (av, SvREFCNT_inc_NN (cb_cv));	2861	av_push (av, SvREFCNT_inc_NN (cb_cv));
2637		2862
2638	if (SvIVX (AvARRAY (av)[0]) > 0)	2863	if (SvIVX (AvARRAY (av)[0]) > 0)
2639	coro_semaphore_adjust (aTHX_ av, 0);	2864	coro_semaphore_adjust (aTHX_ av, 0);
…		…
2699	{	2924	{
2700	AV *av = (AV *)SvRV (arg [0]);	2925	AV *av = (AV *)SvRV (arg [0]);
2701		2926
2702	if (items >= 2)	2927	if (items >= 2)
2703	{	2928	{
2704	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2929	SV *cb_cv = s_get_cv_croak (arg [1]);
2705	av_push (av, SvREFCNT_inc_NN (cb_cv));	2930	av_push (av, SvREFCNT_inc_NN (cb_cv));
2706		2931
2707	if (SvIVX (AvARRAY (av)[0]))	2932	if (SvIVX (AvARRAY (av)[0]))
2708	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */	2933	coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2709		2934
2710	frame->prepare = prepare_nop;	2935	frame->prepare = prepare_nop;
2711	frame->check = slf_check_nop;	2936	frame->check = slf_check_nop;
2712	}	2937	}
2713	else if (SvIVX (AvARRAY (av)[0]))	2938	else if (SvIVX (AvARRAY (av)[0]))
…		…
2744		2969
2745	static void	2970	static void
2746	coro_aio_callback (pTHX_ CV *cv)	2971	coro_aio_callback (pTHX_ CV *cv)
2747	{	2972	{
2748	dXSARGS;	2973	dXSARGS;
2749	AV *state = (AV *)GENSUB_ARG;	2974	AV *state = (AV *)S_GENSUB_ARG;
2750	SV *coro = av_pop (state);	2975	SV *coro = av_pop (state);
2751	SV *data_sv = newSV (sizeof (struct io_state));	2976	SV *data_sv = newSV (sizeof (struct io_state));
2752		2977
2753	av_extend (state, items - 1);	2978	av_extend (state, items - 1);
2754		2979
…		…
2868		3093
2869	for (i = 0; i < items; ++i)	3094	for (i = 0; i < items; ++i)
2870	PUSHs (arg [i]);	3095	PUSHs (arg [i]);
2871		3096
2872	/* now push the callback closure */	3097	/* now push the callback closure */
2873	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));	3098	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2874		3099
2875	/* now call the AIO function - we assume our request is uncancelable */	3100	/* now call the AIO function - we assume our request is uncancelable */
2876	PUTBACK;	3101	PUTBACK;
2877	call_sv ((SV *)req, G_VOID | G_DISCARD);	3102	call_sv ((SV *)req, G_VOID | G_DISCARD);
2878	}	3103	}
2879		3104
2880	/* now that the requets is going, we loop toll we have a result */	3105	/* now that the request is going, we loop till we have a result */
2881	frame->data = (void *)state;	3106	frame->data = (void *)state;
2882	frame->prepare = prepare_schedule;	3107	frame->prepare = prepare_schedule;
2883	frame->check = slf_check_aio_req;	3108	frame->check = slf_check_aio_req;
2884	}	3109	}
2885		3110
…		…
2896	/*****************************************************************************/	3121	/*****************************************************************************/
2897		3122
2898	#if CORO_CLONE	3123	#if CORO_CLONE
2899	# include "clone.c"	3124	# include "clone.c"
2900	#endif	3125	#endif
		3126
		3127	/*****************************************************************************/
		3128
		3129	static SV *
		3130	coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
		3131	{
		3132	SV *coro_sv;
		3133	struct coro *coro;
		3134	MAGIC *mg;
		3135	HV *hv;
		3136	SV *cb;
		3137	int i;
		3138
		3139	if (argc > 0)
		3140	{
		3141	cb = s_get_cv_croak (argv [0]);
		3142
		3143	if (!is_coro)
		3144	{
		3145	if (CvISXSUB (cb))
		3146	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		3147
		3148	if (!CvROOT (cb))
		3149	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		3150	}
		3151	}
		3152
		3153	Newz (0, coro, 1, struct coro);
		3154	coro->args = newAV ();
		3155	coro->flags = CF_NEW;
		3156
		3157	if (coro_first) coro_first->prev = coro;
		3158	coro->next = coro_first;
		3159	coro_first = coro;
		3160
		3161	coro->hv = hv = newHV ();
		3162	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
		3163	mg->mg_flags |= MGf_DUP;
		3164	coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
		3165
		3166	if (argc > 0)
		3167	{
		3168	av_extend (coro->args, argc + is_coro - 1);
		3169
		3170	if (is_coro)
		3171	{
		3172	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		3173	cb = (SV *)cv_coro_run;
		3174	}
		3175
		3176	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		3177
		3178	for (i = 1; i < argc; i++)
		3179	av_push (coro->args, newSVsv (argv [i]));
		3180	}
		3181
		3182	return coro_sv;
		3183	}
2901		3184
2902	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	3185	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2903		3186
2904	PROTOTYPES: DISABLE	3187	PROTOTYPES: DISABLE
2905		3188
…		…
2958	coroapi.prepare_nop = prepare_nop;	3241	coroapi.prepare_nop = prepare_nop;
2959	coroapi.prepare_schedule = prepare_schedule;	3242	coroapi.prepare_schedule = prepare_schedule;
2960	coroapi.prepare_cede = prepare_cede;	3243	coroapi.prepare_cede = prepare_cede;
2961	coroapi.prepare_cede_notself = prepare_cede_notself;	3244	coroapi.prepare_cede_notself = prepare_cede_notself;
2962		3245
2963	{	3246	time_init (aTHX);
2964	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
2965		3247
2966	if (!svp) croak ("Time::HiRes is required");
2967	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2968
2969	nvtime = INT2PTR (double (*)(), SvIV (*svp));
2970	}
2971
2972	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3248	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2973	}	3249	}
2974		3250
2975	SV *	3251	SV *
2976	new (char *klass, ...)	3252	new (SV *klass, ...)
2977	ALIAS:	3253	ALIAS:
2978	Coro::new = 1	3254	Coro::new = 1
2979	CODE:	3255	CODE:
2980	{	3256	RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2981	struct coro *coro;	3257	OUTPUT:
2982	MAGIC *mg;
2983	HV *hv;
2984	CV *cb;
2985	int i;
2986
2987	if (items > 1)
2988	{
2989	cb = coro_sv_2cv (aTHX_ ST (1));
2990
2991	if (!ix)
2992	{
2993	if (CvISXSUB (cb))
2994	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2995
2996	if (!CvROOT (cb))
2997	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2998	}
2999	}
3000
3001	Newz (0, coro, 1, struct coro);
3002	coro->args = newAV ();
3003	coro->flags = CF_NEW;
3004
3005	if (coro_first) coro_first->prev = coro;
3006	coro->next = coro_first;
3007	coro_first = coro;
3008
3009	coro->hv = hv = newHV ();
3010	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3011	mg->mg_flags |= MGf_DUP;
3012	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
3013
3014	if (items > 1)
3015	{
3016	av_extend (coro->args, items - 1 + ix - 1);
3017
3018	if (ix)
3019	{
3020	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3021	cb = cv_coro_run;
3022	}
3023
3024	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3025
3026	for (i = 2; i < items; i++)
3027	av_push (coro->args, newSVsv (ST (i)));
3028	}
3029	}
3030	OUTPUT:
3031	RETVAL	3258	RETVAL
3032		3259
3033	void	3260	void
3034	transfer (...)	3261	transfer (...)
3035	PROTOTYPE: $$	3262	PROTOTYPE: $$
3036	CODE:	3263	CODE:
3037	CORO_EXECUTE_SLF_XS (slf_init_transfer);	3264	CORO_EXECUTE_SLF_XS (slf_init_transfer);
3038
3039	bool
3040	_destroy (SV *coro_sv)
3041	CODE:
3042	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
3043	OUTPUT:
3044	RETVAL
3045		3265
3046	void	3266	void
3047	_exit (int code)	3267	_exit (int code)
3048	PROTOTYPE: $	3268	PROTOTYPE: $
3049	CODE:	3269	CODE:
…		…
3125	CODE:	3345	CODE:
3126	{	3346	{
3127	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3347	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3128	{	3348	{
3129	struct coro *current = SvSTATE_current;	3349	struct coro *current = SvSTATE_current;
		3350	struct CoroSLF slf_save;
3130		3351
3131	if (current != coro)	3352	if (current != coro)
3132	{	3353	{
3133	PUTBACK;	3354	PUTBACK;
3134	save_perl (aTHX_ current);	3355	save_perl (aTHX_ current);
3135	load_perl (aTHX_ coro);	3356	load_perl (aTHX_ coro);
		3357	/* the coro is most likely in an active SLF call.
		3358	* while not strictly required (the code we execute is
		3359	* not allowed to call any SLF functions), it's cleaner
		3360	* to reinitialise the slf_frame and restore it later.
		3361	* This might one day allow us to actually do SLF calls
		3362	* from code executed here.
		3363	*/
		3364	slf_save = slf_frame;
		3365	slf_frame.prepare = 0;
3136	SPAGAIN;	3366	SPAGAIN;
3137	}	3367	}
3138		3368
3139	PUSHSTACK;	3369	PUSHSTACK;
3140		3370
…		…
3150	SPAGAIN;	3380	SPAGAIN;
3151		3381
3152	if (current != coro)	3382	if (current != coro)
3153	{	3383	{
3154	PUTBACK;	3384	PUTBACK;
		3385	slf_frame = slf_save;
3155	save_perl (aTHX_ coro);	3386	save_perl (aTHX_ coro);
3156	load_perl (aTHX_ current);	3387	load_perl (aTHX_ current);
3157	SPAGAIN;	3388	SPAGAIN;
3158	}	3389	}
3159	}	3390	}
…		…
3172	RETVAL = boolSV (coro->flags & ix);	3403	RETVAL = boolSV (coro->flags & ix);
3173	OUTPUT:	3404	OUTPUT:
3174	RETVAL	3405	RETVAL
3175		3406
3176	void	3407	void
3177	throw (Coro::State self, SV *throw = &PL_sv_undef)	3408	throw (Coro::State self, SV *exception = &PL_sv_undef)
3178	PROTOTYPE: $;$	3409	PROTOTYPE: $;$
3179	CODE:	3410	CODE:
3180	{	3411	{
3181	struct coro *current = SvSTATE_current;	3412	struct coro *current = SvSTATE_current;
3182	SV **throwp = self == current ? &CORO_THROW : &self->except;	3413	SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3183	SvREFCNT_dec (*throwp);	3414	SvREFCNT_dec (*exceptionp);
3184	SvGETMAGIC (throw);	3415	SvGETMAGIC (exception);
3185	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3416	*exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3186	}	3417	}
3187		3418
3188	void	3419	void
3189	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3420	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3190	PROTOTYPE: $;$	3421	PROTOTYPE: $;$
…		…
3245		3476
3246	void	3477	void
3247	cancel (Coro::State self)	3478	cancel (Coro::State self)
3248	CODE:	3479	CODE:
3249	coro_state_destroy (aTHX_ self);	3480	coro_state_destroy (aTHX_ self);
3250	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */	3481
		3482	SV *
		3483	enable_times (int enabled = enable_times)
		3484	CODE:
		3485	{
		3486	RETVAL = boolSV (enable_times);
		3487
		3488	if (enabled != enable_times)
		3489	{
		3490	enable_times = enabled;
		3491
		3492	coro_times_update ();
		3493	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3494	}
		3495	}
		3496	OUTPUT:
		3497	RETVAL
		3498
		3499	void
		3500	times (Coro::State self)
		3501	PPCODE:
		3502	{
		3503	struct coro *current = SvSTATE (coro_current);
		3504
		3505	if (expect_false (current == self))
		3506	{
		3507	coro_times_update ();
		3508	coro_times_add (SvSTATE (coro_current));
		3509	}
		3510
		3511	EXTEND (SP, 2);
		3512	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3513	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3514
		3515	if (expect_false (current == self))
		3516	coro_times_sub (SvSTATE (coro_current));
		3517	}
		3518
		3519	void
		3520	swap_sv (Coro::State coro, SV *sv, SV *swapsv)
		3521	CODE:
		3522	{
		3523	struct coro *current = SvSTATE_current;
		3524
		3525	if (current == coro)
		3526	SWAP_SVS (current);
		3527
		3528	if (!coro->swap_sv)
		3529	coro->swap_sv = newAV ();
		3530
		3531	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));
		3532	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));
		3533
		3534	if (current == coro)
		3535	SWAP_SVS (current);
		3536	}
3251		3537
3252		3538
3253	MODULE = Coro::State PACKAGE = Coro	3539	MODULE = Coro::State PACKAGE = Coro
3254		3540
3255	BOOT:	3541	BOOT:
…		…
3265	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);	3551	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3266		3552
3267	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3553	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3268	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3554	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3269	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3555	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3270	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3556	CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3271		3557
3272	coro_stash = gv_stashpv ("Coro", TRUE);	3558	coro_stash = gv_stashpv ("Coro", TRUE);
3273		3559
3274	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3560	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3275	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3561	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3276	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3562	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3277	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3563	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3278	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3564	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3279	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3565	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3280		3566
3281	{	3567	{
3282	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3568	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3283		3569
3284	coroapi.schedule = api_schedule;	3570	coroapi.schedule = api_schedule;
…		…
3294	sv_setiv (sv, (IV)&coroapi);	3580	sv_setiv (sv, (IV)&coroapi);
3295	SvREADONLY_on (sv);	3581	SvREADONLY_on (sv);
3296	}	3582	}
3297	}	3583	}
3298		3584
		3585	SV *
		3586	async (...)
		3587	PROTOTYPE: &@
		3588	CODE:
		3589	RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1);
		3590	api_ready (aTHX_ RETVAL);
		3591	OUTPUT:
		3592	RETVAL
		3593
		3594	void
		3595	_destroy (Coro::State coro)
		3596	CODE:
		3597	/* used by the manager thread */
		3598	coro_state_destroy (aTHX_ coro);
		3599	coro_call_on_destroy (aTHX_ coro);
		3600
3299	void	3601	void
3300	terminate (...)	3602	terminate (...)
3301	CODE:	3603	CODE:
3302	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3604	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3605
		3606	void
		3607	cancel (...)
		3608	CODE:
		3609	CORO_EXECUTE_SLF_XS (slf_init_cancel);
3303		3610
3304	void	3611	void
3305	schedule (...)	3612	schedule (...)
3306	CODE:	3613	CODE:
3307	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3614	CORO_EXECUTE_SLF_XS (slf_init_schedule);
…		…
3337	_set_readyhook (SV *hook)	3644	_set_readyhook (SV *hook)
3338	PROTOTYPE: $	3645	PROTOTYPE: $
3339	CODE:	3646	CODE:
3340	SvREFCNT_dec (coro_readyhook);	3647	SvREFCNT_dec (coro_readyhook);
3341	SvGETMAGIC (hook);	3648	SvGETMAGIC (hook);
		3649	if (SvOK (hook))
		3650	{
3342	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3651	coro_readyhook = newSVsv (hook);
		3652	CORO_READYHOOK = invoke_sv_ready_hook_helper;
		3653	}
		3654	else
		3655	{
		3656	coro_readyhook = 0;
		3657	CORO_READYHOOK = 0;
		3658	}
3343		3659
3344	int	3660	int
3345	prio (Coro::State coro, int newprio = 0)	3661	prio (Coro::State coro, int newprio = 0)
3346	PROTOTYPE: $;$	3662	PROTOTYPE: $;$
3347	ALIAS:	3663	ALIAS:
…		…
3353	if (items > 1)	3669	if (items > 1)
3354	{	3670	{
3355	if (ix)	3671	if (ix)
3356	newprio = coro->prio - newprio;	3672	newprio = coro->prio - newprio;
3357		3673
3358	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3674	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3359	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3675	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3360		3676
3361	coro->prio = newprio;	3677	coro->prio = newprio;
3362	}	3678	}
3363	}	3679	}
3364	OUTPUT:	3680	OUTPUT:
…		…
3411	for (i = 1; i < items; ++i)	3727	for (i = 1; i < items; ++i)
3412	av_push (av, SvREFCNT_inc_NN (ST (i)));	3728	av_push (av, SvREFCNT_inc_NN (ST (i)));
3413		3729
3414	if ((SV *)hv == &PL_sv_undef)	3730	if ((SV *)hv == &PL_sv_undef)
3415	{	3731	{
3416	PUSHMARK (SP);	3732	SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3417	EXTEND (SP, 2);
3418	PUSHs (sv_Coro);
3419	PUSHs ((SV *)cv_pool_handler);
3420	PUTBACK;
3421	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3422	SPAGAIN;
3423
3424	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3733	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
		3734	SvREFCNT_dec (sv);
3425	}	3735	}
3426		3736
3427	{	3737	{
3428	struct coro *coro = SvSTATE_hv (hv);	3738	struct coro *coro = SvSTATE_hv (hv);
3429		3739
…		…
3463	CODE:	3773	CODE:
3464	{	3774	{
3465	struct coro *coro = SvSTATE_current;	3775	struct coro *coro = SvSTATE_current;
3466	AV **avp = ix ? &coro->on_leave : &coro->on_enter;	3776	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3467		3777
3468	block = (SV *)coro_sv_2cv (aTHX_ block);	3778	block = s_get_cv_croak (block);
3469		3779
3470	if (!*avp)	3780	if (!*avp)
3471	*avp = newAV ();	3781	*avp = newAV ();
3472		3782
3473	av_push (*avp, SvREFCNT_inc (block));	3783	av_push (*avp, SvREFCNT_inc (block));
…		…
3673		3983
3674	void	3984	void
3675	_register (char *target, char *proto, SV *req)	3985	_register (char *target, char *proto, SV *req)
3676	CODE:	3986	CODE:
3677	{	3987	{
3678	CV *req_cv = coro_sv_2cv (aTHX_ req);	3988	SV *req_cv = s_get_cv_croak (req);
3679	/* newXSproto doesn't return the CV on 5.8 */	3989	/* newXSproto doesn't return the CV on 5.8 */
3680	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3990	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3681	sv_setpv ((SV *)slf_cv, proto);	3991	sv_setpv ((SV *)slf_cv, proto);
3682	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3992	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3683	}	3993	}
3684		3994
		3995	MODULE = Coro::State PACKAGE = Coro::Select
		3996
		3997	void
		3998	patch_pp_sselect ()
		3999	CODE:
		4000	if (!coro_old_pp_sselect)
		4001	{
		4002	coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
		4003	coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
		4004	PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
		4005	}
		4006
		4007	void
		4008	unpatch_pp_sselect ()
		4009	CODE:
		4010	if (coro_old_pp_sselect)
		4011	{
		4012	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
		4013	coro_old_pp_sselect = 0;
		4014	}
		4015

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