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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC vs.
Revision 1.383 by root, Sun Feb 13 04:39:16 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>
		21
		22	#ifndef SVs_PADSTALE
		23	# define SVs_PADSTALE 0
		24	#endif
16		25
17	#ifdef WIN32	26	#ifdef WIN32
18	# undef setjmp	27	# undef setjmp
19	# undef longjmp	28	# undef longjmp
20	# undef _exit	29	# undef _exit
…		…
51	#endif	60	#endif
52		61
53	/* the maximum number of idle cctx that will be pooled */	62	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	63	static int cctx_max_idle = 4;
55		64
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	65	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	66	# undef CORO_STACKGUARD
117	#endif	67	#endif
118		68
119	#ifndef CORO_STACKGUARD	69	#ifndef CORO_STACKGUARD
…		…
137		87
138	#define IN_DESTRUCT PL_dirty	88	#define IN_DESTRUCT PL_dirty
139		89
140	#if __GNUC__ >= 3	90	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	91	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	92	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	93	# define INLINE static inline
144	#else	94	#else
145	# define attribute(x)	95	# define attribute(x)
146	# define expect(expr,value) (expr)	96	# define expect(expr,value) (expr)
147	# define INLINE static	97	# define INLINE static
…		…
159	# if CORO_PTHREAD	109	# if CORO_PTHREAD
160	static void *coro_thx;	110	static void *coro_thx;
161	# endif	111	# endif
162	#endif	112	#endif
163		113
		114	#ifdef __linux
		115	# include <time.h> /* for timespec */
		116	# include <syscall.h> /* for SYS_* */
		117	# ifdef SYS_clock_gettime
		118	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		119	# define CORO_CLOCK_MONOTONIC 1
		120	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		121	# endif
		122	#endif
		123
164	static double (*nvtime)(); /* so why doesn't it take void? */	124	static double (*nvtime)(); /* so why doesn't it take void? */
		125	static void (*u2time)(pTHX_ UV ret[2]);
165		126
166	/* we hijack an hopefully unused CV flag for our purposes */	127	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	128	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	129	static OP *pp_slf (pTHX);
169		130
…		…
190	static SV *sv_pool_size;	151	static SV *sv_pool_size;
191	static SV *sv_async_pool_idle; /* description string */	152	static SV *sv_async_pool_idle; /* description string */
192	static AV *av_async_pool; /* idle pool */	153	static AV *av_async_pool; /* idle pool */
193	static SV *sv_Coro; /* class string */	154	static SV *sv_Coro; /* class string */
194	static CV *cv_pool_handler;	155	static CV *cv_pool_handler;
195	static CV *cv_coro_state_new;
196		156
197	/* Coro::AnyEvent */	157	/* Coro::AnyEvent */
198	static SV *sv_activity;	158	static SV *sv_activity;
		159
		160	/* enable processtime/realtime profiling */
		161	static char enable_times;
		162	typedef U32 coro_ts[2];
		163	static coro_ts time_real, time_cpu;
		164	static char times_valid;
199		165
200	static struct coro_cctx *cctx_first;	166	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	167	static int cctx_count, cctx_idle;
202		168
203	enum {	169	enum {
…		…
238	enum {	204	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	205	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	206	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	207	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	208	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		209	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	210	};
244		211
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	212	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	213	typedef struct
247	{	214	{
…		…
260	/* this is a structure representing a perl-level coroutine */	227	/* this is a structure representing a perl-level coroutine */
261	struct coro {	228	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	229	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	230	coro_cctx *cctx;
264		231
		232	/* ready queue */
		233	struct coro *next_ready;
		234
265	/* state data */	235	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	236	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	237	AV *mainstack;
268	perl_slots *slot; /* basically the saved sp */	238	perl_slots *slot; /* basically the saved sp */
269		239
…		…
289		259
290	/* on_enter/on_leave */	260	/* on_enter/on_leave */
291	AV *on_enter;	261	AV *on_enter;
292	AV *on_leave;	262	AV *on_leave;
293		263
		264	/* swap_sv */
		265	AV *swap_sv;
		266
		267	/* times */
		268	coro_ts t_cpu, t_real;
		269
294	/* linked list */	270	/* linked list */
295	struct coro *next, *prev;	271	struct coro *next, *prev;
296	};	272	};
297		273
298	typedef struct coro *Coro__State;	274	typedef struct coro *Coro__State;
…		…
303	/* the mainr easonw e don't support windows process emulation */	279	/* the mainr easonw e don't support windows process emulation */
304	static struct CoroSLF slf_frame; /* the current slf frame */	280	static struct CoroSLF slf_frame; /* the current slf frame */
305		281
306	/** Coro ********************************************************************/	282	/** Coro ********************************************************************/
307		283
308	#define PRIO_MAX 3	284	#define CORO_PRIO_MAX 3
309	#define PRIO_HIGH 1	285	#define CORO_PRIO_HIGH 1
310	#define PRIO_NORMAL 0	286	#define CORO_PRIO_NORMAL 0
311	#define PRIO_LOW -1	287	#define CORO_PRIO_LOW -1
312	#define PRIO_IDLE -3	288	#define CORO_PRIO_IDLE -3
313	#define PRIO_MIN -4	289	#define CORO_PRIO_MIN -4
314		290
315	/* for Coro.pm */	291	/* for Coro.pm */
316	static SV *coro_current;	292	static SV *coro_current;
317	static SV *coro_readyhook;	293	static SV *coro_readyhook;
318	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	294	static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
319	static CV *cv_coro_run, *cv_coro_terminate;	295	static CV *cv_coro_run, *cv_coro_terminate;
320	static struct coro *coro_first;	296	static struct coro *coro_first;
321	#define coro_nready coroapi.nready	297	#define coro_nready coroapi.nready
		298
		299	/** Coro::Select ************************************************************/
		300
		301	static OP *(*coro_old_pp_sselect) (pTHX);
		302	static SV *coro_select_select;
		303
		304	/* horrible hack, but if it works... */
		305	static OP *
		306	coro_pp_sselect (pTHX)
		307	{
		308	dSP;
		309	PUSHMARK (SP - 4); /* fake argument list */
		310	XPUSHs (coro_select_select);
		311	PUTBACK;
		312
		313	/* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
		314	PL_op->op_flags |= OPf_STACKED;
		315	PL_op->op_private = 0;
		316	return PL_ppaddr [OP_ENTERSUB](aTHX);
		317	}
322		318
323	/** lowlevel stuff **********************************************************/	319	/** lowlevel stuff **********************************************************/
324		320
325	static SV *	321	static SV *
326	coro_get_sv (pTHX_ const char *name, int create)	322	coro_get_sv (pTHX_ const char *name, int create)
…		…
350	get_hv (name, create);	346	get_hv (name, create);
351	#endif	347	#endif
352	return get_hv (name, create);	348	return get_hv (name, create);
353	}	349	}
354		350
355	/* may croak */	351	INLINE void
356	INLINE CV *	352	coro_times_update ()
357	coro_sv_2cv (pTHX_ SV *sv)
358	{	353	{
359	HV *st;	354	#ifdef coro_clock_gettime
360	GV *gvp;	355	struct timespec ts;
361	CV *cv = sv_2cv (sv, &st, &gvp, 0);
362		356
363	if (!cv)	357	ts.tv_sec = ts.tv_nsec = 0;
364	croak ("code reference expected");	358	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		359	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
365		360
366	return cv;	361	ts.tv_sec = ts.tv_nsec = 0;
		362	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		363	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		364	#else
		365	dTHX;
		366	UV tv[2];
		367
		368	u2time (aTHX_ tv);
		369	time_real [0] = tv [0];
		370	time_real [1] = tv [1] * 1000;
		371	#endif
		372	}
		373
		374	INLINE void
		375	coro_times_add (struct coro *c)
		376	{
		377	c->t_real [1] += time_real [1];
		378	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		379	c->t_real [0] += time_real [0];
		380
		381	c->t_cpu [1] += time_cpu [1];
		382	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		383	c->t_cpu [0] += time_cpu [0];
		384	}
		385
		386	INLINE void
		387	coro_times_sub (struct coro *c)
		388	{
		389	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		390	c->t_real [1] -= time_real [1];
		391	c->t_real [0] -= time_real [0];
		392
		393	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		394	c->t_cpu [1] -= time_cpu [1];
		395	c->t_cpu [0] -= time_cpu [0];
367	}	396	}
368		397
369	/*****************************************************************************/	398	/*****************************************************************************/
370	/* magic glue */	399	/* magic glue */
371		400
…		…
471	static int	500	static int
472	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)	501	coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
473	{	502	{
474	AV *padlist;	503	AV *padlist;
475	AV *av = (AV *)mg->mg_obj;	504	AV *av = (AV *)mg->mg_obj;
		505
		506	/* perl manages to free our internal AV and _then_ call us */
		507	if (IN_DESTRUCT)
		508	return 0;
476		509
477	/* casting is fun. */	510	/* casting is fun. */
478	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))	511	while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
479	free_padlist (aTHX_ padlist);	512	free_padlist (aTHX_ padlist);
480		513
…		…
529	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	562	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
530	}	563	}
531		564
532	/** load & save, init *******************************************************/	565	/** load & save, init *******************************************************/
533		566
		567	/* swap sv heads, at least logically */
		568	static void
		569	swap_svs (pTHX_ Coro__State c)
		570	{
		571	int i;
		572
		573	for (i = 0; i <= AvFILLp (c->swap_sv); )
		574	{
		575	SV *a = AvARRAY (c->swap_sv)[i++];
		576	SV *b = AvARRAY (c->swap_sv)[i++];
		577
		578	const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
		579	SV tmp;
		580
		581	/* swap sv_any */
		582	SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
		583
		584	/* swap sv_flags */
		585	SvFLAGS (&tmp) = SvFLAGS (a);
		586	SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
		587	SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
		588
		589	#if PERL_VERSION_ATLEAST (5,10,0)
		590	/* perl 5.10 complicates this _quite_ a bit, but it also is
		591	* is much faster, so no quarrels here. alternatively, we could
		592	* sv_upgrade to avoid this.
		593	*/
		594	{
		595	/* swap sv_u */
		596	tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
		597
		598	/* if SvANY points to the head, we need to adjust the pointers,
		599	* as the pointer for a still points to b, and maybe vice versa.
		600	*/
		601	#define svany_in_head(type) \
		602	(((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
		603
		604	if (svany_in_head (SvTYPE (a)))
		605	SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
		606
		607	if (svany_in_head (SvTYPE (b)))
		608	SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
		609	}
		610	#endif
		611	}
		612	}
		613
		614	#define SWAP_SVS(coro) \
		615	if (expect_false ((coro)->swap_sv)) \
		616	swap_svs (aTHX_ (coro))
		617
534	static void	618	static void
535	on_enterleave_call (pTHX_ SV *cb);	619	on_enterleave_call (pTHX_ SV *cb);
536		620
537	static void	621	static void
538	load_perl (pTHX_ Coro__State c)	622	load_perl (pTHX_ Coro__State c)
…		…
569	}	653	}
570		654
571	slf_frame = c->slf_frame;	655	slf_frame = c->slf_frame;
572	CORO_THROW = c->except;	656	CORO_THROW = c->except;
573		657
		658	if (expect_false (enable_times))
		659	{
		660	if (expect_false (!times_valid))
		661	coro_times_update ();
		662
		663	coro_times_sub (c);
		664	}
		665
574	if (expect_false (c->on_enter))	666	if (expect_false (c->on_enter))
575	{	667	{
576	int i;	668	int i;
577		669
578	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	670	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
579	on_enterleave_call (AvARRAY (c->on_enter)[i]);	671	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
580	}	672	}
		673
		674	SWAP_SVS (c);
581	}	675	}
582		676
583	static void	677	static void
584	save_perl (pTHX_ Coro__State c)	678	save_perl (pTHX_ Coro__State c)
585	{	679	{
		680	SWAP_SVS (c);
		681
586	if (expect_false (c->on_leave))	682	if (expect_false (c->on_leave))
587	{	683	{
588	int i;	684	int i;
589		685
590	for (i = AvFILLp (c->on_leave); i >= 0; --i)	686	for (i = AvFILLp (c->on_leave); i >= 0; --i)
591	on_enterleave_call (AvARRAY (c->on_leave)[i]);	687	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		688	}
		689
		690	times_valid = 0;
		691
		692	if (expect_false (enable_times))
		693	{
		694	coro_times_update (); times_valid = 1;
		695	coro_times_add (c);
592	}	696	}
593		697
594	c->except = CORO_THROW;	698	c->except = CORO_THROW;
595	c->slf_frame = slf_frame;	699	c->slf_frame = slf_frame;
596		700
…		…
611	{	715	{
612	while (expect_true (cxix >= 0))	716	while (expect_true (cxix >= 0))
613	{	717	{
614	PERL_CONTEXT *cx = &ccstk[cxix--];	718	PERL_CONTEXT *cx = &ccstk[cxix--];
615		719
616	if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT))	720	if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
617	{	721	{
618	CV *cv = cx->blk_sub.cv;	722	CV *cv = cx->blk_sub.cv;
619		723
620	if (expect_true (CvDEPTH (cv)))	724	if (expect_true (CvDEPTH (cv)))
621	{	725	{
…		…
645	/* we manually unroll here, as usually 2 slots is enough */	749	/* we manually unroll here, as usually 2 slots is enough */
646	if (SLOT_COUNT >= 1) CXINC;	750	if (SLOT_COUNT >= 1) CXINC;
647	if (SLOT_COUNT >= 2) CXINC;	751	if (SLOT_COUNT >= 2) CXINC;
648	if (SLOT_COUNT >= 3) CXINC;	752	if (SLOT_COUNT >= 3) CXINC;
649	{	753	{
650	int i;	754	unsigned int i;
651	for (i = 3; i < SLOT_COUNT; ++i)	755	for (i = 3; i < SLOT_COUNT; ++i)
652	CXINC;	756	CXINC;
653	}	757	}
654	cxstack_ix -= SLOT_COUNT; /* undo allocation */	758	cxstack_ix -= SLOT_COUNT; /* undo allocation */
655		759
…		…
889	slf_check_repeat (pTHX_ struct CoroSLF *frame)	993	slf_check_repeat (pTHX_ struct CoroSLF *frame)
890	{	994	{
891	return 1;	995	return 1;
892	}	996	}
893		997
894	static UNOP coro_setup_op;	998	static UNOP init_perl_op;
895		999
896	static void NOINLINE /* noinline to keep it out of the transfer fast path */	1000	static void NOINLINE /* noinline to keep it out of the transfer fast path */
897	coro_setup (pTHX_ struct coro *coro)	1001	init_perl (pTHX_ struct coro *coro)
898	{	1002	{
899	/*	1003	/*
900	* emulate part of the perl startup here.	1004	* emulate part of the perl startup here.
901	*/	1005	*/
902	coro_init_stacks (aTHX);	1006	coro_init_stacks (aTHX);
…		…
909	PL_comppad_name_fill = 0;	1013	PL_comppad_name_fill = 0;
910	PL_comppad_name_floor = 0;	1014	PL_comppad_name_floor = 0;
911	PL_curpm = 0;	1015	PL_curpm = 0;
912	PL_curpad = 0;	1016	PL_curpad = 0;
913	PL_localizing = 0;	1017	PL_localizing = 0;
914	PL_dirty = 0;
915	PL_restartop = 0;	1018	PL_restartop = 0;
916	#if PERL_VERSION_ATLEAST (5,10,0)	1019	#if PERL_VERSION_ATLEAST (5,10,0)
917	PL_parser = 0;	1020	PL_parser = 0;
918	#endif	1021	#endif
919	PL_hints = 0;	1022	PL_hints = 0;
…		…
951	*/	1054	*/
952	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	1055	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
953	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	1056	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
954		1057
955	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	1058	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
956	coro_setup_op.op_next = PL_op;	1059	init_perl_op.op_next = PL_op;
957	coro_setup_op.op_type = OP_ENTERSUB;	1060	init_perl_op.op_type = OP_ENTERSUB;
958	coro_setup_op.op_ppaddr = pp_slf;	1061	init_perl_op.op_ppaddr = pp_slf;
959	/* no flags etc. required, as an init function won't be called */	1062	/* no flags etc. required, as an init function won't be called */
960		1063
961	PL_op = (OP *)&coro_setup_op;	1064	PL_op = (OP *)&init_perl_op;
962		1065
963	/* copy throw, in case it was set before coro_setup */	1066	/* copy throw, in case it was set before init_perl */
964	CORO_THROW = coro->except;	1067	CORO_THROW = coro->except;
		1068
		1069	SWAP_SVS (coro);
		1070
		1071	if (expect_false (enable_times))
		1072	{
		1073	coro_times_update ();
		1074	coro_times_sub (coro);
		1075	}
965	}	1076	}
966		1077
967	static void	1078	static void
968	coro_unwind_stacks (pTHX)	1079	coro_unwind_stacks (pTHX)
969	{	1080	{
…		…
984	dounwind (-1);	1095	dounwind (-1);
985	}	1096	}
986	}	1097	}
987		1098
988	static void	1099	static void
989	coro_destruct_perl (pTHX_ struct coro *coro)	1100	destroy_perl (pTHX_ struct coro *coro)
990	{	1101	{
		1102	SV *svf [9];
		1103
		1104	{
		1105	struct coro *current = SvSTATE_current;
		1106
		1107	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1108
		1109	save_perl (aTHX_ current);
		1110	load_perl (aTHX_ coro);
		1111
991	coro_unwind_stacks (aTHX);	1112	coro_unwind_stacks (aTHX);
		1113	coro_destruct_stacks (aTHX);
992		1114
993	SvREFCNT_dec (GvSV (PL_defgv));	1115	/* restore swapped sv's */
994	SvREFCNT_dec (GvAV (PL_defgv));	1116	SWAP_SVS (coro);
995	SvREFCNT_dec (GvSV (PL_errgv));
996	SvREFCNT_dec (PL_defoutgv);
997	SvREFCNT_dec (PL_rs);
998	SvREFCNT_dec (GvSV (irsgv));
999	SvREFCNT_dec (GvHV (PL_hintgv));
1000		1117
1001	SvREFCNT_dec (PL_diehook);	1118	// now save some sv's to be free'd later
1002	SvREFCNT_dec (PL_warnhook);	1119	svf [0] = GvSV (PL_defgv);
		1120	svf [1] = (SV *)GvAV (PL_defgv);
		1121	svf [2] = GvSV (PL_errgv);
		1122	svf [3] = (SV *)PL_defoutgv;
		1123	svf [4] = PL_rs;
		1124	svf [5] = GvSV (irsgv);
		1125	svf [6] = (SV *)GvHV (PL_hintgv);
		1126	svf [7] = PL_diehook;
		1127	svf [8] = PL_warnhook;
		1128	assert (9 == sizeof (svf) / sizeof (*svf));
		1129
		1130	load_perl (aTHX_ current);
1003		1131	}
		1132
		1133	{
		1134	unsigned int i;
		1135
		1136	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1137	SvREFCNT_dec (svf [i]);
		1138
1004	SvREFCNT_dec (coro->saved_deffh);	1139	SvREFCNT_dec (coro->saved_deffh);
1005	SvREFCNT_dec (coro->rouse_cb);	1140	SvREFCNT_dec (coro->rouse_cb);
1006	SvREFCNT_dec (coro->invoke_cb);	1141	SvREFCNT_dec (coro->invoke_cb);
1007	SvREFCNT_dec (coro->invoke_av);	1142	SvREFCNT_dec (coro->invoke_av);
1008		1143	}
1009	coro_destruct_stacks (aTHX);
1010	}	1144	}
1011		1145
1012	INLINE void	1146	INLINE void
1013	free_coro_mortal (pTHX)	1147	free_coro_mortal (pTHX)
1014	{	1148	{
…		…
1211	/* somebody or something will hit me for both perl_run and PL_restartop */	1345	/* somebody or something will hit me for both perl_run and PL_restartop */
1212	PL_restartop = PL_op;	1346	PL_restartop = PL_op;
1213	perl_run (PL_curinterp);	1347	perl_run (PL_curinterp);
1214	/*	1348	/*
1215	* Unfortunately, there is no way to get at the return values of the	1349	* Unfortunately, there is no way to get at the return values of the
1216	* coro body here, as perl_run destroys these	1350	* coro body here, as perl_run destroys these. Likewise, we cannot catch
		1351	* runtime errors here, as this is just a random interpreter, not a thread.
1217	*/	1352	*/
1218		1353
1219	/*	1354	/*
1220	* If perl-run returns we assume exit() was being called or the coro	1355	* If perl-run returns we assume exit() was being called or the coro
1221	* fell off the end, which seems to be the only valid (non-bug)	1356	* fell off the end, which seems to be the only valid (non-bug)
…		…
1382	/* TODO: throwing up here is considered harmful */	1517	/* TODO: throwing up here is considered harmful */
1383		1518
1384	if (expect_true (prev != next))	1519	if (expect_true (prev != next))
1385	{	1520	{
1386	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1521	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1387	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1522	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1388		1523
1389	if (expect_false (next->flags & CF_RUNNING))
1390	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1391
1392	if (expect_false (next->flags & CF_DESTROYED))	1524	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1393	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1525	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1394		1526
1395	#if !PERL_VERSION_ATLEAST (5,10,0)	1527	#if !PERL_VERSION_ATLEAST (5,10,0)
1396	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1528	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1397	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1529	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1398	#endif	1530	#endif
…		…
1431	if (expect_false (next->flags & CF_NEW))	1563	if (expect_false (next->flags & CF_NEW))
1432	{	1564	{
1433	/* need to start coroutine */	1565	/* need to start coroutine */
1434	next->flags &= ~CF_NEW;	1566	next->flags &= ~CF_NEW;
1435	/* setup coroutine call */	1567	/* setup coroutine call */
1436	coro_setup (aTHX_ next);	1568	init_perl (aTHX_ next);
1437	}	1569	}
1438	else	1570	else
1439	load_perl (aTHX_ next);	1571	load_perl (aTHX_ next);
1440		1572
1441	/* possibly untie and reuse the cctx */	1573	/* possibly untie and reuse the cctx */
…		…
1486	coro_state_destroy (pTHX_ struct coro *coro)	1618	coro_state_destroy (pTHX_ struct coro *coro)
1487	{	1619	{
1488	if (coro->flags & CF_DESTROYED)	1620	if (coro->flags & CF_DESTROYED)
1489	return 0;	1621	return 0;
1490		1622
1491	if (coro->on_destroy)	1623	if (coro->on_destroy && !PL_dirty)
1492	coro->on_destroy (aTHX_ coro);	1624	coro->on_destroy (aTHX_ coro);
1493		1625
1494	coro->flags |= CF_DESTROYED;	1626	coro->flags |= CF_DESTROYED;
1495		1627
1496	if (coro->flags & CF_READY)	1628	if (coro->flags & CF_READY)
…		…
1504		1636
1505	if (coro->mainstack	1637	if (coro->mainstack
1506	&& coro->mainstack != main_mainstack	1638	&& coro->mainstack != main_mainstack
1507	&& coro->slot	1639	&& coro->slot
1508	&& !PL_dirty)	1640	&& !PL_dirty)
1509	{
1510	struct coro *current = SvSTATE_current;
1511
1512	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1513
1514	save_perl (aTHX_ current);
1515	load_perl (aTHX_ coro);
1516
1517	coro_destruct_perl (aTHX_ coro);	1641	destroy_perl (aTHX_ coro);
1518		1642
1519	load_perl (aTHX_ current);	1643	if (coro->next) coro->next->prev = coro->prev;
1520		1644	if (coro->prev) coro->prev->next = coro->next;
1521	coro->slot = 0;	1645	if (coro == coro_first) coro_first = coro->next;
1522	}
1523		1646
1524	cctx_destroy (coro->cctx);	1647	cctx_destroy (coro->cctx);
1525	SvREFCNT_dec (coro->startcv);	1648	SvREFCNT_dec (coro->startcv);
1526	SvREFCNT_dec (coro->args);	1649	SvREFCNT_dec (coro->args);
		1650	SvREFCNT_dec (coro->swap_sv);
1527	SvREFCNT_dec (CORO_THROW);	1651	SvREFCNT_dec (CORO_THROW);
1528
1529	if (coro->next) coro->next->prev = coro->prev;
1530	if (coro->prev) coro->prev->next = coro->next;
1531	if (coro == coro_first) coro_first = coro->next;
1532		1652
1533	return 1;	1653	return 1;
1534	}	1654	}
1535		1655
1536	static int	1656	static int
…		…
1586		1706
1587	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1707	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1588	TRANSFER (ta, 1);	1708	TRANSFER (ta, 1);
1589	}	1709	}
1590		1710
1591	/*****************************************************************************/
1592	/* gensub: simple closure generation utility */
1593
1594	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1595
1596	/* create a closure from XS, returns a code reference */
1597	/* the arg can be accessed via GENSUB_ARG from the callback */
1598	/* the callback must use dXSARGS/XSRETURN */
1599	static SV *
1600	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1601	{
1602	CV *cv = (CV *)newSV (0);
1603
1604	sv_upgrade ((SV *)cv, SVt_PVCV);
1605
1606	CvANON_on (cv);
1607	CvISXSUB_on (cv);
1608	CvXSUB (cv) = xsub;
1609	GENSUB_ARG = arg;
1610
1611	return newRV_noinc ((SV *)cv);
1612	}
1613
1614	/** Coro ********************************************************************/	1711	/** Coro ********************************************************************/
1615		1712
1616	INLINE void	1713	INLINE void
1617	coro_enq (pTHX_ struct coro *coro)	1714	coro_enq (pTHX_ struct coro *coro)
1618	{	1715	{
1619	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1716	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1620	}
1621		1717
1622	INLINE SV *	1718	SvREFCNT_inc_NN (coro->hv);
		1719
		1720	coro->next_ready = 0;
		1721	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1722	ready [1] = coro;
		1723	}
		1724
		1725	INLINE struct coro *
1623	coro_deq (pTHX)	1726	coro_deq (pTHX)
1624	{	1727	{
1625	int prio;	1728	int prio;
1626		1729
1627	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1730	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1628	if (AvFILLp (coro_ready [prio]) >= 0)	1731	{
1629	return av_shift (coro_ready [prio]);	1732	struct coro **ready = coro_ready [prio];
		1733
		1734	if (ready [0])
		1735	{
		1736	struct coro *coro = ready [0];
		1737	ready [0] = coro->next_ready;
		1738	return coro;
		1739	}
		1740	}
1630		1741
1631	return 0;	1742	return 0;
		1743	}
		1744
		1745	static void
		1746	invoke_sv_ready_hook_helper (void)
		1747	{
		1748	dTHX;
		1749	dSP;
		1750
		1751	ENTER;
		1752	SAVETMPS;
		1753
		1754	PUSHMARK (SP);
		1755	PUTBACK;
		1756	call_sv (coro_readyhook, G_VOID | G_DISCARD);
		1757
		1758	FREETMPS;
		1759	LEAVE;
1632	}	1760	}
1633		1761
1634	static int	1762	static int
1635	api_ready (pTHX_ SV *coro_sv)	1763	api_ready (pTHX_ SV *coro_sv)
1636	{	1764	{
1637	struct coro *coro;
1638	SV *sv_hook;
1639	void (*xs_hook)(void);
1640
1641	coro = SvSTATE (coro_sv);	1765	struct coro *coro = SvSTATE (coro_sv);
1642		1766
1643	if (coro->flags & CF_READY)	1767	if (coro->flags & CF_READY)
1644	return 0;	1768	return 0;
1645		1769
1646	coro->flags |= CF_READY;	1770	coro->flags |= CF_READY;
1647		1771
1648	sv_hook = coro_nready ? 0 : coro_readyhook;
1649	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1650
1651	coro_enq (aTHX_ coro);	1772	coro_enq (aTHX_ coro);
1652	++coro_nready;
1653		1773
1654	if (sv_hook)	1774	if (!coro_nready++)
1655	{	1775	if (coroapi.readyhook)
1656	dSP;	1776	coroapi.readyhook ();
1657
1658	ENTER;
1659	SAVETMPS;
1660
1661	PUSHMARK (SP);
1662	PUTBACK;
1663	call_sv (sv_hook, G_VOID | G_DISCARD);
1664
1665	FREETMPS;
1666	LEAVE;
1667	}
1668
1669	if (xs_hook)
1670	xs_hook ();
1671		1777
1672	return 1;	1778	return 1;
1673	}	1779	}
1674		1780
1675	static int	1781	static int
…		…
1698	static void	1804	static void
1699	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1805	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1700	{	1806	{
1701	for (;;)	1807	for (;;)
1702	{	1808	{
1703	SV *next_sv = coro_deq (aTHX);	1809	struct coro *next = coro_deq (aTHX);
1704		1810
1705	if (expect_true (next_sv))	1811	if (expect_true (next))
1706	{	1812	{
1707	struct coro *next = SvSTATE_hv (next_sv);
1708
1709	/* cannot transfer to destroyed coros, skip and look for next */	1813	/* cannot transfer to destroyed coros, skip and look for next */
1710	if (expect_false (next->flags & CF_DESTROYED))	1814	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1711	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1815	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1712	else	1816	else
1713	{	1817	{
1714	next->flags &= ~CF_READY;	1818	next->flags &= ~CF_READY;
1715	--coro_nready;	1819	--coro_nready;
1716		1820
…		…
1722	{	1826	{
1723	/* nothing to schedule: call the idle handler */	1827	/* nothing to schedule: call the idle handler */
1724	if (SvROK (sv_idle)	1828	if (SvROK (sv_idle)
1725	&& SvOBJECT (SvRV (sv_idle)))	1829	&& SvOBJECT (SvRV (sv_idle)))
1726	{	1830	{
		1831	if (SvRV (sv_idle) == SvRV (coro_current))
		1832	croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught");
		1833
1727	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	1834	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1728	api_ready (aTHX_ SvRV (sv_idle));	1835	api_ready (aTHX_ SvRV (sv_idle));
1729	--coro_nready;	1836	--coro_nready;
1730	}	1837	}
1731	else	1838	else
1732	{	1839	{
		1840	/* TODO: deprecated, remove, cannot work reliably *//*D*/
1733	dSP;	1841	dSP;
1734		1842
1735	ENTER;	1843	ENTER;
1736	SAVETMPS;	1844	SAVETMPS;
1737		1845
…		…
1883	{	1991	{
1884	int i;	1992	int i;
1885	HV *hv = (HV *)SvRV (coro_current);	1993	HV *hv = (HV *)SvRV (coro_current);
1886	AV *av = newAV ();	1994	AV *av = newAV ();
1887		1995
		1996	/* items are actually not so common, so optimise for this case */
		1997	if (items)
		1998	{
1888	av_extend (av, items - 1);	1999	av_extend (av, items - 1);
		2000
1889	for (i = 0; i < items; ++i)	2001	for (i = 0; i < items; ++i)
1890	av_push (av, SvREFCNT_inc_NN (arg [i]));	2002	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2003	}
1891		2004
1892	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);	2005	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1893		2006
1894	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */	2007	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1895	api_ready (aTHX_ sv_manager);	2008	api_ready (aTHX_ sv_manager);
…		…
1985		2098
1986	static void	2099	static void
1987	coro_rouse_callback (pTHX_ CV *cv)	2100	coro_rouse_callback (pTHX_ CV *cv)
1988	{	2101	{
1989	dXSARGS;	2102	dXSARGS;
1990	SV *data = (SV *)GENSUB_ARG;	2103	SV *data = (SV *)S_GENSUB_ARG;
1991		2104
1992	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1993	{	2106	{
1994	/* first call, set args */	2107	/* first call, set args */
		2108	SV *coro = SvRV (data);
1995	AV *av = newAV ();	2109	AV *av = newAV ();
1996	SV *coro = SvRV (data);
1997		2110
1998	SvRV_set (data, (SV *)av);	2111	SvRV_set (data, (SV *)av);
1999	api_ready (aTHX_ coro);
2000	SvREFCNT_dec (coro);
2001		2112
2002	/* better take a full copy of the arguments */	2113	/* better take a full copy of the arguments */
2003	while (items--)	2114	while (items--)
2004	av_store (av, items, newSVsv (ST (items)));	2115	av_store (av, items, newSVsv (ST (items)));
		2116
		2117	api_ready (aTHX_ coro);
		2118	SvREFCNT_dec (coro);
2005	}	2119	}
2006		2120
2007	XSRETURN_EMPTY;	2121	XSRETURN_EMPTY;
2008	}	2122	}
2009		2123
…		…
2026		2140
2027	EXTEND (SP, AvFILLp (av) + 1);	2141	EXTEND (SP, AvFILLp (av) + 1);
2028	for (i = 0; i <= AvFILLp (av); ++i)	2142	for (i = 0; i <= AvFILLp (av); ++i)
2029	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2143	PUSHs (sv_2mortal (AvARRAY (av)[i]));
2030		2144
2031	/* we have stolen the elements, so ste length to zero and free */	2145	/* we have stolen the elements, so set length to zero and free */
2032	AvFILLp (av) = -1;	2146	AvFILLp (av) = -1;
2033	av_undef (av);	2147	av_undef (av);
2034		2148
2035	PUTBACK;	2149	PUTBACK;
2036	}	2150	}
…		…
2060	|| SvTYPE (SvRV (cb)) != SVt_PVCV	2174	|| SvTYPE (SvRV (cb)) != SVt_PVCV
2061	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2175	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2062	croak ("Coro::rouse_wait called with illegal callback argument,");	2176	croak ("Coro::rouse_wait called with illegal callback argument,");
2063		2177
2064	{	2178	{
2065	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */	2179	CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2066	SV *data = (SV *)GENSUB_ARG;	2180	SV *data = (SV *)S_GENSUB_ARG;
2067		2181
2068	frame->data = (void *)data;	2182	frame->data = (void *)data;
2069	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2183	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2070	frame->check = slf_check_rouse_wait;	2184	frame->check = slf_check_rouse_wait;
2071	}	2185	}
…		…
2075	coro_new_rouse_cb (pTHX)	2189	coro_new_rouse_cb (pTHX)
2076	{	2190	{
2077	HV *hv = (HV *)SvRV (coro_current);	2191	HV *hv = (HV *)SvRV (coro_current);
2078	struct coro *coro = SvSTATE_hv (hv);	2192	struct coro *coro = SvSTATE_hv (hv);
2079	SV *data = newRV_inc ((SV *)hv);	2193	SV *data = newRV_inc ((SV *)hv);
2080	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2194	SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2081		2195
2082	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2196	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2083	SvREFCNT_dec (data); /* magicext increases the refcount */	2197	SvREFCNT_dec (data); /* magicext increases the refcount */
2084		2198
2085	SvREFCNT_dec (coro->rouse_cb);	2199	SvREFCNT_dec (coro->rouse_cb);
…		…
2310	if (PL_op->op_flags & OPf_STACKED)	2424	if (PL_op->op_flags & OPf_STACKED)
2311	{	2425	{
2312	if (items > slf_arga)	2426	if (items > slf_arga)
2313	{	2427	{
2314	slf_arga = items;	2428	slf_arga = items;
2315	free (slf_argv);	2429	Safefree (slf_argv);
2316	slf_argv = malloc (slf_arga * sizeof (SV *));	2430	New (0, slf_argv, slf_arga, SV *);
2317	}	2431	}
2318		2432
2319	slf_argc = items;	2433	slf_argc = items;
2320		2434
2321	for (i = 0; i < items; ++i)	2435	for (i = 0; i < items; ++i)
…		…
2347		2461
2348	POPSTACK;	2462	POPSTACK;
2349	}	2463	}
2350		2464
2351	static SV *	2465	static SV *
2352	coro_avp_pop_and_free (AV **avp)	2466	coro_avp_pop_and_free (pTHX_ AV **avp)
2353	{	2467	{
2354	AV *av = *avp;	2468	AV *av = *avp;
2355	SV *res = av_pop (av);	2469	SV *res = av_pop (av);
2356		2470
2357	if (AvFILLp (av) < 0)	2471	if (AvFILLp (av) < 0)
…		…
2364	}	2478	}
2365		2479
2366	static void	2480	static void
2367	coro_pop_on_enter (pTHX_ void *coro)	2481	coro_pop_on_enter (pTHX_ void *coro)
2368	{	2482	{
2369	SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_enter);	2483	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2370	SvREFCNT_dec (cb);	2484	SvREFCNT_dec (cb);
2371	}	2485	}
2372		2486
2373	static void	2487	static void
2374	coro_pop_on_leave (pTHX_ void *coro)	2488	coro_pop_on_leave (pTHX_ void *coro)
2375	{	2489	{
2376	SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_leave);	2490	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2377	on_enterleave_call (sv_2mortal (cb));	2491	on_enterleave_call (aTHX_ sv_2mortal (cb));
2378	}	2492	}
2379		2493
2380	/*****************************************************************************/	2494	/*****************************************************************************/
2381	/* PerlIO::cede */	2495	/* PerlIO::cede */
2382		2496
…		…
2456	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2457		2571
2458	static SV *	2572	static SV *
2459	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2460	{	2574	{
2461	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2575	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2462	AV *av = newAV ();	2576	AV *av = newAV ();
2463	SV **ary;	2577	SV **ary;
2464		2578
2465	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2466	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
…		…
2608	{	2722	{
2609	if (items >= 2)	2723	if (items >= 2)
2610	{	2724	{
2611	/* callback form */	2725	/* callback form */
2612	AV *av = (AV *)SvRV (arg [0]);	2726	AV *av = (AV *)SvRV (arg [0]);
2613	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	SV *cb_cv = s_get_cv_croak (arg [1]);
2614		2728
2615	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2616		2730
2617	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2618	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2619		2733
2620	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2644	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2645	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2646		2760
2647	cb = av_shift (av);	2761	cb = av_shift (av);
2648		2762
		2763	if (SvTYPE (cb) == SVt_PVCV)
		2764	{
		2765	dSP;
		2766	PUSHMARK (SP);
		2767	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2768	PUTBACK;
		2769	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2770	}
		2771	else
		2772	{
2649	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2650	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2651	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2652		2778
2653	--count;	2779	--count;
2654	}	2780	}
2655	}	2781	}
…		…
2664	static void	2790	static void
2665	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2791	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2666	{	2792	{
2667	AV *av = (AV *)SvRV (arg [0]);	2793	AV *av = (AV *)SvRV (arg [0]);
2668		2794
		2795	if (items >= 2)
		2796	{
		2797	SV *cb_cv = s_get_cv_croak (arg [1]);
		2798	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2799
2669	if (SvIVX (AvARRAY (av)[0]))	2800	if (SvIVX (AvARRAY (av)[0]))
		2801	coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
		2802
		2803	frame->prepare = prepare_nop;
		2804	frame->check = slf_check_nop;
		2805	}
		2806	else if (SvIVX (AvARRAY (av)[0]))
2670	{	2807	{
2671	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2672	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2673	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2674	}	2811	}
2675	else	2812	else
2676	{	2813	{
2677	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */	2814	SV *waiter = newSVsv (coro_current); /* owned by signal av */
2678		2815
2679	av_push (av, waiter);	2816	av_push (av, waiter);
2680		2817
2681	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2818	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2682	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2700		2837
2701	static void	2838	static void
2702	coro_aio_callback (pTHX_ CV *cv)	2839	coro_aio_callback (pTHX_ CV *cv)
2703	{	2840	{
2704	dXSARGS;	2841	dXSARGS;
2705	AV *state = (AV *)GENSUB_ARG;	2842	AV *state = (AV *)S_GENSUB_ARG;
2706	SV *coro = av_pop (state);	2843	SV *coro = av_pop (state);
2707	SV *data_sv = newSV (sizeof (struct io_state));	2844	SV *data_sv = newSV (sizeof (struct io_state));
2708		2845
2709	av_extend (state, items - 1);	2846	av_extend (state, items - 1);
2710		2847
…		…
2824		2961
2825	for (i = 0; i < items; ++i)	2962	for (i = 0; i < items; ++i)
2826	PUSHs (arg [i]);	2963	PUSHs (arg [i]);
2827		2964
2828	/* now push the callback closure */	2965	/* now push the callback closure */
2829	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));	2966	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2830		2967
2831	/* now call the AIO function - we assume our request is uncancelable */	2968	/* now call the AIO function - we assume our request is uncancelable */
2832	PUTBACK;	2969	PUTBACK;
2833	call_sv ((SV *)req, G_VOID | G_DISCARD);	2970	call_sv ((SV *)req, G_VOID | G_DISCARD);
2834	}	2971	}
2835		2972
2836	/* now that the requets is going, we loop toll we have a result */	2973	/* now that the request is going, we loop till we have a result */
2837	frame->data = (void *)state;	2974	frame->data = (void *)state;
2838	frame->prepare = prepare_schedule;	2975	frame->prepare = prepare_schedule;
2839	frame->check = slf_check_aio_req;	2976	frame->check = slf_check_aio_req;
2840	}	2977	}
2841		2978
…		…
2852	/*****************************************************************************/	2989	/*****************************************************************************/
2853		2990
2854	#if CORO_CLONE	2991	#if CORO_CLONE
2855	# include "clone.c"	2992	# include "clone.c"
2856	#endif	2993	#endif
		2994
		2995	/*****************************************************************************/
		2996
		2997	static SV *
		2998	coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
		2999	{
		3000	SV *coro_sv;
		3001	struct coro *coro;
		3002	MAGIC *mg;
		3003	HV *hv;
		3004	SV *cb;
		3005	int i;
		3006
		3007	if (argc > 0)
		3008	{
		3009	cb = s_get_cv_croak (argv [0]);
		3010
		3011	if (!is_coro)
		3012	{
		3013	if (CvISXSUB (cb))
		3014	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		3015
		3016	if (!CvROOT (cb))
		3017	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		3018	}
		3019	}
		3020
		3021	Newz (0, coro, 1, struct coro);
		3022	coro->args = newAV ();
		3023	coro->flags = CF_NEW;
		3024
		3025	if (coro_first) coro_first->prev = coro;
		3026	coro->next = coro_first;
		3027	coro_first = coro;
		3028
		3029	coro->hv = hv = newHV ();
		3030	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
		3031	mg->mg_flags |= MGf_DUP;
		3032	coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
		3033
		3034	if (argc > 0)
		3035	{
		3036	av_extend (coro->args, argc + is_coro - 1);
		3037
		3038	if (is_coro)
		3039	{
		3040	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		3041	cb = (SV *)cv_coro_run;
		3042	}
		3043
		3044	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		3045
		3046	for (i = 1; i < argc; i++)
		3047	av_push (coro->args, newSVsv (argv [i]));
		3048	}
		3049
		3050	return coro_sv;
		3051	}
2857		3052
2858	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	3053	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2859		3054
2860	PROTOTYPES: DISABLE	3055	PROTOTYPES: DISABLE
2861		3056
…		…
2921		3116
2922	if (!svp) croak ("Time::HiRes is required");	3117	if (!svp) croak ("Time::HiRes is required");
2923	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3118	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2924		3119
2925	nvtime = INT2PTR (double (*)(), SvIV (*svp));	3120	nvtime = INT2PTR (double (*)(), SvIV (*svp));
		3121
		3122	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		3123	u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
2926	}	3124	}
2927		3125
2928	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3126	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2929	}	3127	}
2930		3128
2931	SV *	3129	SV *
2932	new (char *klass, ...)	3130	new (SV *klass, ...)
2933	ALIAS:	3131	ALIAS:
2934	Coro::new = 1	3132	Coro::new = 1
2935	CODE:	3133	CODE:
2936	{	3134	RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2937	struct coro *coro;	3135	OUTPUT:
2938	MAGIC *mg;
2939	HV *hv;
2940	CV *cb;
2941	int i;
2942
2943	if (items > 1)
2944	{
2945	cb = coro_sv_2cv (aTHX_ ST (1));
2946
2947	if (!ix)
2948	{
2949	if (CvISXSUB (cb))
2950	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2951
2952	if (!CvROOT (cb))
2953	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2954	}
2955	}
2956
2957	Newz (0, coro, 1, struct coro);
2958	coro->args = newAV ();
2959	coro->flags = CF_NEW;
2960
2961	if (coro_first) coro_first->prev = coro;
2962	coro->next = coro_first;
2963	coro_first = coro;
2964
2965	coro->hv = hv = newHV ();
2966	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2967	mg->mg_flags |= MGf_DUP;
2968	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2969
2970	if (items > 1)
2971	{
2972	av_extend (coro->args, items - 1 + ix - 1);
2973
2974	if (ix)
2975	{
2976	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2977	cb = cv_coro_run;
2978	}
2979
2980	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
2981
2982	for (i = 2; i < items; i++)
2983	av_push (coro->args, newSVsv (ST (i)));
2984	}
2985	}
2986	OUTPUT:
2987	RETVAL	3136	RETVAL
2988		3137
2989	void	3138	void
2990	transfer (...)	3139	transfer (...)
2991	PROTOTYPE: $$	3140	PROTOTYPE: $$
…		…
3100	if (ix)	3249	if (ix)
3101	eval_sv (coderef, 0);	3250	eval_sv (coderef, 0);
3102	else	3251	else
3103	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3252	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
3104		3253
		3254	POPSTACK;
3105	SPAGAIN;	3255	SPAGAIN;
3106	POPSTACK;
3107		3256
3108	if (current != coro)	3257	if (current != coro)
3109	{	3258	{
3110	PUTBACK;	3259	PUTBACK;
3111	save_perl (aTHX_ coro);	3260	save_perl (aTHX_ coro);
…		…
3121	ALIAS:	3270	ALIAS:
3122	is_ready = CF_READY	3271	is_ready = CF_READY
3123	is_running = CF_RUNNING	3272	is_running = CF_RUNNING
3124	is_new = CF_NEW	3273	is_new = CF_NEW
3125	is_destroyed = CF_DESTROYED	3274	is_destroyed = CF_DESTROYED
		3275	is_suspended = CF_SUSPENDED
3126	CODE:	3276	CODE:
3127	RETVAL = boolSV (coro->flags & ix);	3277	RETVAL = boolSV (coro->flags & ix);
3128	OUTPUT:	3278	OUTPUT:
3129	RETVAL	3279	RETVAL
3130		3280
3131	void	3281	void
3132	throw (Coro::State self, SV *throw = &PL_sv_undef)	3282	throw (Coro::State self, SV *exception = &PL_sv_undef)
3133	PROTOTYPE: $;$	3283	PROTOTYPE: $;$
3134	CODE:	3284	CODE:
3135	{	3285	{
3136	struct coro *current = SvSTATE_current;	3286	struct coro *current = SvSTATE_current;
3137	SV **throwp = self == current ? &CORO_THROW : &self->except;	3287	SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3138	SvREFCNT_dec (*throwp);	3288	SvREFCNT_dec (*exceptionp);
3139	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3289	SvGETMAGIC (exception);
		3290	*exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3140	}	3291	}
3141		3292
3142	void	3293	void
3143	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)	3294	api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3144	PROTOTYPE: $;$	3295	PROTOTYPE: $;$
…		…
3195	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3346	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3196		3347
3197	SV *tmp = *src; *src = *dst; *dst = tmp;	3348	SV *tmp = *src; *src = *dst; *dst = tmp;
3198	}	3349	}
3199		3350
		3351	void
		3352	cancel (Coro::State self)
		3353	CODE:
		3354	coro_state_destroy (aTHX_ self);
		3355	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3356
		3357
		3358	SV *
		3359	enable_times (int enabled = enable_times)
		3360	CODE:
		3361	{
		3362	RETVAL = boolSV (enable_times);
		3363
		3364	if (enabled != enable_times)
		3365	{
		3366	enable_times = enabled;
		3367
		3368	coro_times_update ();
		3369	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3370	}
		3371	}
		3372	OUTPUT:
		3373	RETVAL
		3374
		3375	void
		3376	times (Coro::State self)
		3377	PPCODE:
		3378	{
		3379	struct coro *current = SvSTATE (coro_current);
		3380
		3381	if (expect_false (current == self))
		3382	{
		3383	coro_times_update ();
		3384	coro_times_add (SvSTATE (coro_current));
		3385	}
		3386
		3387	EXTEND (SP, 2);
		3388	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3389	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3390
		3391	if (expect_false (current == self))
		3392	coro_times_sub (SvSTATE (coro_current));
		3393	}
		3394
		3395	void
		3396	swap_sv (Coro::State coro, SV *sv, SV *swapsv)
		3397	CODE:
		3398	{
		3399	struct coro *current = SvSTATE_current;
		3400
		3401	if (current == coro)
		3402	SWAP_SVS (current);
		3403
		3404	if (!coro->swap_sv)
		3405	coro->swap_sv = newAV ();
		3406
		3407	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv )));
		3408	av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv)));
		3409
		3410	if (current == coro)
		3411	SWAP_SVS (current);
		3412	}
		3413
3200		3414
3201	MODULE = Coro::State PACKAGE = Coro	3415	MODULE = Coro::State PACKAGE = Coro
3202		3416
3203	BOOT:	3417	BOOT:
3204	{	3418	{
3205	int i;
3206
3207	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3419	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3208	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3420	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3209	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	3421	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3210	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3422	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3211	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3423	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
…		…
3215	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);	3427	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3216		3428
3217	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3429	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3218	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3430	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3219	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3431	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3220	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3432	CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3221		3433
3222	coro_stash = gv_stashpv ("Coro", TRUE);	3434	coro_stash = gv_stashpv ("Coro", TRUE);
3223		3435
3224	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3436	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3225	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3437	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3226	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3438	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3227	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3439	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3228	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3440	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3229	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3441	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3230
3231	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3232	coro_ready[i] = newAV ();
3233		3442
3234	{	3443	{
3235	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3444	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3236		3445
3237	coroapi.schedule = api_schedule;	3446	coroapi.schedule = api_schedule;
…		…
3247	sv_setiv (sv, (IV)&coroapi);	3456	sv_setiv (sv, (IV)&coroapi);
3248	SvREADONLY_on (sv);	3457	SvREADONLY_on (sv);
3249	}	3458	}
3250	}	3459	}
3251		3460
		3461	SV *
		3462	async (...)
		3463	PROTOTYPE: &@
		3464	CODE:
		3465	RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1);
		3466	api_ready (aTHX_ RETVAL);
		3467	OUTPUT:
		3468	RETVAL
		3469
3252	void	3470	void
3253	terminate (...)	3471	terminate (...)
3254	CODE:	3472	CODE:
3255	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3473	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3256		3474
…		…
3276		3494
3277	void	3495	void
3278	cede_notself (...)	3496	cede_notself (...)
3279	CODE:	3497	CODE:
3280	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3498	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3281
3282	void
3283	_cancel (Coro::State self)
3284	CODE:
3285	coro_state_destroy (aTHX_ self);
3286	coro_call_on_destroy (aTHX_ self);
3287		3499
3288	void	3500	void
3289	_set_current (SV *current)	3501	_set_current (SV *current)
3290	PROTOTYPE: $	3502	PROTOTYPE: $
3291	CODE:	3503	CODE:
…		…
3295	void	3507	void
3296	_set_readyhook (SV *hook)	3508	_set_readyhook (SV *hook)
3297	PROTOTYPE: $	3509	PROTOTYPE: $
3298	CODE:	3510	CODE:
3299	SvREFCNT_dec (coro_readyhook);	3511	SvREFCNT_dec (coro_readyhook);
		3512	SvGETMAGIC (hook);
		3513	if (SvOK (hook))
		3514	{
3300	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3515	coro_readyhook = newSVsv (hook);
		3516	CORO_READYHOOK = invoke_sv_ready_hook_helper;
		3517	}
		3518	else
		3519	{
		3520	coro_readyhook = 0;
		3521	CORO_READYHOOK = 0;
		3522	}
3301		3523
3302	int	3524	int
3303	prio (Coro::State coro, int newprio = 0)	3525	prio (Coro::State coro, int newprio = 0)
3304	PROTOTYPE: $;$	3526	PROTOTYPE: $;$
3305	ALIAS:	3527	ALIAS:
…		…
3311	if (items > 1)	3533	if (items > 1)
3312	{	3534	{
3313	if (ix)	3535	if (ix)
3314	newprio = coro->prio - newprio;	3536	newprio = coro->prio - newprio;
3315		3537
3316	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3538	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3317	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3539	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3318		3540
3319	coro->prio = newprio;	3541	coro->prio = newprio;
3320	}	3542	}
3321	}	3543	}
3322	OUTPUT:	3544	OUTPUT:
…		…
3337	RETVAL = coro_nready;	3559	RETVAL = coro_nready;
3338	OUTPUT:	3560	OUTPUT:
3339	RETVAL	3561	RETVAL
3340		3562
3341	void	3563	void
		3564	suspend (Coro::State self)
		3565	PROTOTYPE: $
		3566	CODE:
		3567	self->flags |= CF_SUSPENDED;
		3568
		3569	void
		3570	resume (Coro::State self)
		3571	PROTOTYPE: $
		3572	CODE:
		3573	self->flags &= ~CF_SUSPENDED;
		3574
		3575	void
3342	_pool_handler (...)	3576	_pool_handler (...)
3343	CODE:	3577	CODE:
3344	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3578	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
3345		3579
3346	void	3580	void
…		…
3357	for (i = 1; i < items; ++i)	3591	for (i = 1; i < items; ++i)
3358	av_push (av, SvREFCNT_inc_NN (ST (i)));	3592	av_push (av, SvREFCNT_inc_NN (ST (i)));
3359		3593
3360	if ((SV *)hv == &PL_sv_undef)	3594	if ((SV *)hv == &PL_sv_undef)
3361	{	3595	{
3362	PUSHMARK (SP);	3596	SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3363	EXTEND (SP, 2);
3364	PUSHs (sv_Coro);
3365	PUSHs ((SV *)cv_pool_handler);
3366	PUTBACK;
3367	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3368	SPAGAIN;
3369
3370	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3597	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
		3598	SvREFCNT_dec (sv);
3371	}	3599	}
3372		3600
3373	{	3601	{
3374	struct coro *coro = SvSTATE_hv (hv);	3602	struct coro *coro = SvSTATE_hv (hv);
3375		3603
…		…
3409	CODE:	3637	CODE:
3410	{	3638	{
3411	struct coro *coro = SvSTATE_current;	3639	struct coro *coro = SvSTATE_current;
3412	AV **avp = ix ? &coro->on_leave : &coro->on_enter;	3640	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3413		3641
3414	block = (SV *)coro_sv_2cv (block);	3642	block = s_get_cv_croak (block);
3415		3643
3416	if (!*avp)	3644	if (!*avp)
3417	*avp = newAV ();	3645	*avp = newAV ();
3418		3646
3419	av_push (*avp, SvREFCNT_inc (block));	3647	av_push (*avp, SvREFCNT_inc (block));
3420		3648
3421	if (!ix)	3649	if (!ix)
3422	on_enterleave_call (aTHX_ block);	3650	on_enterleave_call (aTHX_ block);
3423		3651
3424	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */	3652	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3425	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);	3653	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3426	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */	3654	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3427	}	3655	}
3428		3656
3429		3657
3430	MODULE = Coro::State PACKAGE = PerlIO::cede	3658	MODULE = Coro::State PACKAGE = PerlIO::cede
3431		3659
…		…
3436	MODULE = Coro::State PACKAGE = Coro::Semaphore	3664	MODULE = Coro::State PACKAGE = Coro::Semaphore
3437		3665
3438	SV *	3666	SV *
3439	new (SV *klass, SV *count = 0)	3667	new (SV *klass, SV *count = 0)
3440	CODE:	3668	CODE:
		3669	{
		3670	int semcnt = 1;
		3671
		3672	if (count)
		3673	{
		3674	SvGETMAGIC (count);
		3675
		3676	if (SvOK (count))
		3677	semcnt = SvIV (count);
		3678	}
		3679
3441	RETVAL = sv_bless (	3680	RETVAL = sv_bless (
3442	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3681	coro_waitarray_new (aTHX_ semcnt),
3443	GvSTASH (CvGV (cv))	3682	GvSTASH (CvGV (cv))
3444	);	3683	);
		3684	}
3445	OUTPUT:	3685	OUTPUT:
3446	RETVAL	3686	RETVAL
3447		3687
3448	# helper for Coro::Channel	3688	# helper for Coro::Channel and others
3449	SV *	3689	SV *
3450	_alloc (int count)	3690	_alloc (int count)
3451	CODE:	3691	CODE:
3452	RETVAL = coro_waitarray_new (aTHX_ count);	3692	RETVAL = coro_waitarray_new (aTHX_ count);
3453	OUTPUT:	3693	OUTPUT:
…		…
3511	for (i = 1; i <= wcount; ++i)	3751	for (i = 1; i <= wcount; ++i)
3512	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3752	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3513	}	3753	}
3514	}	3754	}
3515		3755
		3756	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3757
		3758	void
		3759	_may_delete (SV *sem, int count, int extra_refs)
		3760	PPCODE:
		3761	{
		3762	AV *av = (AV *)SvRV (sem);
		3763
		3764	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3765	&& AvFILLp (av) == 0 /* no waiters, just count */
		3766	&& SvIV (AvARRAY (av)[0]) == count)
		3767	XSRETURN_YES;
		3768
		3769	XSRETURN_NO;
		3770	}
		3771
3516	MODULE = Coro::State PACKAGE = Coro::Signal	3772	MODULE = Coro::State PACKAGE = Coro::Signal
3517		3773
3518	SV *	3774	SV *
3519	new (SV *klass)	3775	new (SV *klass)
3520	CODE:	3776	CODE:
…		…
3591		3847
3592	void	3848	void
3593	_register (char *target, char *proto, SV *req)	3849	_register (char *target, char *proto, SV *req)
3594	CODE:	3850	CODE:
3595	{	3851	{
3596	CV *req_cv = coro_sv_2cv (aTHX_ req);	3852	SV *req_cv = s_get_cv_croak (req);
3597	/* newXSproto doesn't return the CV on 5.8 */	3853	/* newXSproto doesn't return the CV on 5.8 */
3598	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3854	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3599	sv_setpv ((SV *)slf_cv, proto);	3855	sv_setpv ((SV *)slf_cv, proto);
3600	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3856	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3601	}	3857	}
3602		3858
		3859	MODULE = Coro::State PACKAGE = Coro::Select
		3860
		3861	void
		3862	patch_pp_sselect ()
		3863	CODE:
		3864	if (!coro_old_pp_sselect)
		3865	{
		3866	coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
		3867	coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
		3868	PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
		3869	}
		3870
		3871	void
		3872	unpatch_pp_sselect ()
		3873	CODE:
		3874	if (coro_old_pp_sselect)
		3875	{
		3876	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
		3877	coro_old_pp_sselect = 0;
		3878	}
		3879

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