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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.327 by root, Mon Nov 24 06:07:16 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
…		…
133	#else	83	#else
134	# define dSTACKLEVEL volatile void *stacklevel	84	# define dSTACKLEVEL volatile void *stacklevel
135	# define STACKLEVEL ((void *)&stacklevel)	85	# define STACKLEVEL ((void *)&stacklevel)
136	#endif	86	#endif
137		87
138	#define IN_DESTRUCT (PL_main_cv == Nullcv)	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
…		…
285	/* async_pool */	255	/* async_pool */
286	SV *saved_deffh;	256	SV *saved_deffh;
287	SV *invoke_cb;	257	SV *invoke_cb;
288	AV *invoke_av;	258	AV *invoke_av;
289		259
		260	/* on_enter/on_leave */
		261	AV *on_enter;
		262	AV *on_leave;
		263
		264	/* swap_sv */
		265	AV *swap_sv;
		266
		267	/* times */
		268	coro_ts t_cpu, t_real;
		269
290	/* linked list */	270	/* linked list */
291	struct coro next, prev;	271	struct coro next, prev;
292	};	272	};
293		273
294	typedef struct coro *Coro__State;	274	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	279	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	280	static struct CoroSLF slf_frame; /* the current slf frame */
301		281
302	/ Coro ******************************************************************/	282	/ Coro ******************************************************************/
303		283
304	#define PRIO_MAX 3	284	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	285	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	286	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	287	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	288	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	289	#define CORO_PRIO_MIN -4
310		290
311	/* for Coro.pm */	291	/* for Coro.pm */
312	static SV *coro_current;	292	static SV *coro_current;
313	static SV *coro_readyhook;	293	static SV *coro_readyhook;
314	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 */
315	static CV cv_coro_run, cv_coro_terminate;	295	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	296	static struct coro *coro_first;
317	#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	}
318		318
319	/ lowlevel stuff ********************************************************/	319	/ lowlevel stuff ********************************************************/
320		320
321	static SV *	321	static SV *
322	coro_get_sv (pTHX_ const char *name, int create)	322	coro_get_sv (pTHX_ const char *name, int create)
…		…
346	get_hv (name, create);	346	get_hv (name, create);
347	#endif	347	#endif
348	return get_hv (name, create);	348	return get_hv (name, create);
349	}	349	}
350		350
351	/* may croak */	351	INLINE void
352	INLINE CV *	352	coro_times_update ()
353	coro_sv_2cv (pTHX_ SV *sv)
354	{	353	{
		354	#ifdef coro_clock_gettime
		355	struct timespec ts;
		356
		357	ts.tv_sec = ts.tv_nsec = 0;
		358	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		359	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		360
		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];
		396	}
		397
		398	/*****************************************************************************/
		399	/* magic glue */
		400
		401	#define CORO_MAGIC_type_cv 26
		402	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		403
		404	#define CORO_MAGIC_NN(sv, type) \
		405	(expect_true (SvMAGIC (sv)->mg_type == type) \
		406	? SvMAGIC (sv) \
		407	: mg_find (sv, type))
		408
		409	#define CORO_MAGIC(sv, type) \
		410	(expect_true (SvMAGIC (sv)) \
		411	? CORO_MAGIC_NN (sv, type) \
		412	: 0)
		413
		414	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		415	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		416
		417	INLINE struct coro *
		418	SvSTATE_ (pTHX_ SV *coro)
		419	{
355	HV *st;	420	HV *stash;
356	GV *gvp;	421	MAGIC *mg;
357	return sv_2cv (sv, &st, &gvp, 0);	422
		423	if (SvROK (coro))
		424	coro = SvRV (coro);
		425
		426	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		427	croak ("Coro::State object required");
		428
		429	stash = SvSTASH (coro);
		430	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		431	{
		432	/* very slow, but rare, check */
		433	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		434	croak ("Coro::State object required");
		435	}
		436
		437	mg = CORO_MAGIC_state (coro);
		438	return (struct coro *)mg->mg_ptr;
358	}	439	}
		440
		441	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		442
		443	/* faster than SvSTATE, but expects a coroutine hv */
		444	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		445	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		446
		447	/*****************************************************************************/
		448	/* padlist management and caching */
359		449
360	static AV *	450	static AV *
361	coro_derive_padlist (pTHX_ CV *cv)	451	coro_derive_padlist (pTHX_ CV *cv)
362	{	452	{
363	AV *padlist = CvPADLIST (cv);	453	AV *padlist = CvPADLIST (cv);
…		…
371	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	461	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
372	#endif	462	#endif
373	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	463	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
374	--AvFILLp (padlist);	464	--AvFILLp (padlist);
375		465
376	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	466	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
377	av_store (newpadlist, 1, (SV *)newpad);	467	av_store (newpadlist, 1, (SV *)newpad);
378		468
379	return newpadlist;	469	return newpadlist;
380	}	470	}
381		471
382	static void	472	static void
383	free_padlist (pTHX_ AV *padlist)	473	free_padlist (pTHX_ AV *padlist)
384	{	474	{
385	/* may be during global destruction */	475	/* may be during global destruction */
386	if (SvREFCNT (padlist))	476	if (!IN_DESTRUCT)
387	{	477	{
388	I32 i = AvFILLp (padlist);	478	I32 i = AvFILLp (padlist);
389	while (i >= 0)	479
		480	while (i > 0) /* special-case index 0 */
390	{	481	{
391	SV **svp = av_fetch (padlist, i--, FALSE);	482	/* we try to be extra-careful here */
392	if (svp)	483	AV av = (AV )AvARRAY (padlist)[i--];
393	{	484	I32 j = AvFILLp (av);
394	SV *sv;	485
395	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	486	while (j >= 0)
		487	SvREFCNT_dec (AvARRAY (av)[j--]);
		488
		489	AvFILLp (av) = -1;
396	SvREFCNT_dec (sv);	490	SvREFCNT_dec (av);
397
398	SvREFCNT_dec (*svp);
399	}
400	}	491	}
401		492
		493	SvREFCNT_dec (AvARRAY (padlist)[0]);
		494
		495	AvFILLp (padlist) = -1;
402	SvREFCNT_dec ((SV*)padlist);	496	SvREFCNT_dec ((SV*)padlist);
403	}	497	}
404	}	498	}
405		499
406	static int	500	static int
407	coro_cv_free (pTHX_ SV sv, MAGIC mg)	501	coro_cv_free (pTHX_ SV sv, MAGIC mg)
408	{	502	{
409	AV *padlist;	503	AV *padlist;
410	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;
411		509
412	/* casting is fun. */	510	/* casting is fun. */
413	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	511	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
414	free_padlist (aTHX_ padlist);	512	free_padlist (aTHX_ padlist);
415		513
416	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	514	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
417		515
418	return 0;	516	return 0;
419	}	517	}
420
421	#define CORO_MAGIC_type_cv 26
422	#define CORO_MAGIC_type_state PERL_MAGIC_ext
423		518
424	static MGVTBL coro_cv_vtbl = {	519	static MGVTBL coro_cv_vtbl = {
425	0, 0, 0, 0,	520	0, 0, 0, 0,
426	coro_cv_free	521	coro_cv_free
427	};	522	};
428
429	#define CORO_MAGIC_NN(sv, type) \
430	(expect_true (SvMAGIC (sv)->mg_type == type) \
431	? SvMAGIC (sv) \
432	: mg_find (sv, type))
433
434	#define CORO_MAGIC(sv, type) \
435	(expect_true (SvMAGIC (sv)) \
436	? CORO_MAGIC_NN (sv, type) \
437	: 0)
438
439	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
440	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
441
442	INLINE struct coro *
443	SvSTATE_ (pTHX_ SV *coro)
444	{
445	HV *stash;
446	MAGIC *mg;
447
448	if (SvROK (coro))
449	coro = SvRV (coro);
450
451	if (expect_false (SvTYPE (coro) != SVt_PVHV))
452	croak ("Coro::State object required");
453
454	stash = SvSTASH (coro);
455	if (expect_false (stash != coro_stash && stash != coro_state_stash))
456	{
457	/* very slow, but rare, check */
458	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
459	croak ("Coro::State object required");
460	}
461
462	mg = CORO_MAGIC_state (coro);
463	return (struct coro *)mg->mg_ptr;
464	}
465
466	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
467
468	/* faster than SvSTATE, but expects a coroutine hv */
469	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
470	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
471		523
472	/* the next two functions merely cache the padlists */	524	/* the next two functions merely cache the padlists */
473	static void	525	static void
474	get_padlist (pTHX_ CV *cv)	526	get_padlist (pTHX_ CV *cv)
475	{	527	{
…		…
503	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	555	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
504		556
505	av = (AV *)mg->mg_obj;	557	av = (AV *)mg->mg_obj;
506		558
507	if (expect_false (AvFILLp (av) >= AvMAX (av)))	559	if (expect_false (AvFILLp (av) >= AvMAX (av)))
508	av_extend (av, AvMAX (av) + 1);	560	av_extend (av, AvFILLp (av) + 1);
509		561
510	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	562	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
511	}	563	}
512		564
513	/ load & save, init *****************************************************/	565	/ load & save, init *****************************************************/
		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
		618	static void
		619	on_enterleave_call (pTHX_ SV *cb);
514		620
515	static void	621	static void
516	load_perl (pTHX_ Coro__State c)	622	load_perl (pTHX_ Coro__State c)
517	{	623	{
518	perl_slots *slot = c->slot;	624	perl_slots *slot = c->slot;
…		…
546	PUTBACK;	652	PUTBACK;
547	}	653	}
548		654
549	slf_frame = c->slf_frame;	655	slf_frame = c->slf_frame;
550	CORO_THROW = c->except;	656	CORO_THROW = c->except;
		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
		666	if (expect_false (c->on_enter))
		667	{
		668	int i;
		669
		670	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		671	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		672	}
		673
		674	SWAP_SVS (c);
551	}	675	}
552		676
553	static void	677	static void
554	save_perl (pTHX_ Coro__State c)	678	save_perl (pTHX_ Coro__State c)
555	{	679	{
		680	SWAP_SVS (c);
		681
		682	if (expect_false (c->on_leave))
		683	{
		684	int i;
		685
		686	for (i = AvFILLp (c->on_leave); i >= 0; --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);
		696	}
		697
556	c->except = CORO_THROW;	698	c->except = CORO_THROW;
557	c->slf_frame = slf_frame;	699	c->slf_frame = slf_frame;
558		700
559	{	701	{
560	dSP;	702	dSP;
…		…
573	{	715	{
574	while (expect_true (cxix >= 0))	716	while (expect_true (cxix >= 0))
575	{	717	{
576	PERL_CONTEXT *cx = &ccstk[cxix--];	718	PERL_CONTEXT *cx = &ccstk[cxix--];
577		719
578	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))
579	{	721	{
580	CV *cv = cx->blk_sub.cv;	722	CV *cv = cx->blk_sub.cv;
581		723
582	if (expect_true (CvDEPTH (cv)))	724	if (expect_true (CvDEPTH (cv)))
583	{	725	{
…		…
607	/* we manually unroll here, as usually 2 slots is enough */	749	/* we manually unroll here, as usually 2 slots is enough */
608	if (SLOT_COUNT >= 1) CXINC;	750	if (SLOT_COUNT >= 1) CXINC;
609	if (SLOT_COUNT >= 2) CXINC;	751	if (SLOT_COUNT >= 2) CXINC;
610	if (SLOT_COUNT >= 3) CXINC;	752	if (SLOT_COUNT >= 3) CXINC;
611	{	753	{
612	int i;	754	unsigned int i;
613	for (i = 3; i < SLOT_COUNT; ++i)	755	for (i = 3; i < SLOT_COUNT; ++i)
614	CXINC;	756	CXINC;
615	}	757	}
616	cxstack_ix -= SLOT_COUNT; /* undo allocation */	758	cxstack_ix -= SLOT_COUNT; /* undo allocation */
617		759
…		…
759	#endif	901	#endif
760		902
761	/*	903	/*
762	* This overrides the default magic get method of %SIG elements.	904	* This overrides the default magic get method of %SIG elements.
763	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	905	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
764	* and instead of tryign to save and restore the hash elements, we just provide	906	* and instead of trying to save and restore the hash elements, we just provide
765	* readback here.	907	* readback here.
766	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
767	* not expecting this to actually change the hook. This is a potential problem
768	* when a schedule happens then, but we ignore this.
769	*/	908	*/
770	static int	909	static int
771	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	910	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
772	{	911	{
773	const char *s = MgPV_nolen_const (mg);	912	const char *s = MgPV_nolen_const (mg);
…		…
826	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	965	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
827		966
828	if (svp)	967	if (svp)
829	{	968	{
830	SV old = svp;	969	SV old = svp;
831	*svp = newSVsv (sv);	970	*svp = SvOK (sv) ? newSVsv (sv) : 0;
832	SvREFCNT_dec (old);	971	SvREFCNT_dec (old);
833	return 0;	972	return 0;
834	}	973	}
835	}	974	}
836		975
…		…
854	slf_check_repeat (pTHX_ struct CoroSLF *frame)	993	slf_check_repeat (pTHX_ struct CoroSLF *frame)
855	{	994	{
856	return 1;	995	return 1;
857	}	996	}
858		997
859	static UNOP coro_setup_op;	998	static UNOP init_perl_op;
860		999
861	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 */
862	coro_setup (pTHX_ struct coro *coro)	1001	init_perl (pTHX_ struct coro *coro)
863	{	1002	{
864	/*	1003	/*
865	* emulate part of the perl startup here.	1004	* emulate part of the perl startup here.
866	*/	1005	*/
867	coro_init_stacks (aTHX);	1006	coro_init_stacks (aTHX);
…		…
874	PL_comppad_name_fill = 0;	1013	PL_comppad_name_fill = 0;
875	PL_comppad_name_floor = 0;	1014	PL_comppad_name_floor = 0;
876	PL_curpm = 0;	1015	PL_curpm = 0;
877	PL_curpad = 0;	1016	PL_curpad = 0;
878	PL_localizing = 0;	1017	PL_localizing = 0;
879	PL_dirty = 0;
880	PL_restartop = 0;	1018	PL_restartop = 0;
881	#if PERL_VERSION_ATLEAST (5,10,0)	1019	#if PERL_VERSION_ATLEAST (5,10,0)
882	PL_parser = 0;	1020	PL_parser = 0;
883	#endif	1021	#endif
884	PL_hints = 0;	1022	PL_hints = 0;
…		…
916	*/	1054	*/
917	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 */
918	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 */
919		1057
920	/* 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 */
921	coro_setup_op.op_next = PL_op;	1059	init_perl_op.op_next = PL_op;
922	coro_setup_op.op_type = OP_ENTERSUB;	1060	init_perl_op.op_type = OP_ENTERSUB;
923	coro_setup_op.op_ppaddr = pp_slf;	1061	init_perl_op.op_ppaddr = pp_slf;
924	/* 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 */
925		1063
926	PL_op = (OP *)&coro_setup_op;	1064	PL_op = (OP *)&init_perl_op;
927		1065
928	/* copy throw, in case it was set before coro_setup */	1066	/* copy throw, in case it was set before init_perl */
929	CORO_THROW = coro->except;	1067	CORO_THROW = coro->except;
930	}
931		1068
		1069	SWAP_SVS (coro);
		1070
		1071	if (expect_false (enable_times))
		1072	{
		1073	coro_times_update ();
		1074	coro_times_sub (coro);
		1075	}
		1076	}
		1077
932	static void	1078	static void
933	coro_destruct (pTHX_ struct coro *coro)	1079	coro_unwind_stacks (pTHX)
934	{	1080	{
935	if (!IN_DESTRUCT)	1081	if (!IN_DESTRUCT)
936	{	1082	{
937	/* restore all saved variables and stuff */	1083	/* restore all saved variables and stuff */
938	LEAVE_SCOPE (0);	1084	LEAVE_SCOPE (0);
…		…
946	POPSTACK_TO (PL_mainstack);	1092	POPSTACK_TO (PL_mainstack);
947		1093
948	/* unwind main stack */	1094	/* unwind main stack */
949	dounwind (-1);	1095	dounwind (-1);
950	}	1096	}
		1097	}
951		1098
952	SvREFCNT_dec (GvSV (PL_defgv));	1099	static void
953	SvREFCNT_dec (GvAV (PL_defgv));	1100	destroy_perl (pTHX_ struct coro *coro)
954	SvREFCNT_dec (GvSV (PL_errgv));	1101	{
955	SvREFCNT_dec (PL_defoutgv);	1102	SV *svf [9];
956	SvREFCNT_dec (PL_rs);
957	SvREFCNT_dec (GvSV (irsgv));
958	SvREFCNT_dec (GvHV (PL_hintgv));
959		1103
960	SvREFCNT_dec (PL_diehook);
961	SvREFCNT_dec (PL_warnhook);
962		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
		1112	coro_unwind_stacks (aTHX);
		1113	coro_destruct_stacks (aTHX);
		1114
		1115	/* restore swapped sv's */
		1116	SWAP_SVS (coro);
		1117
		1118	// now save some sv's to be free'd later
		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);
		1131	}
		1132
		1133	{
		1134	unsigned int i;
		1135
		1136	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1137	SvREFCNT_dec (svf [i]);
		1138
963	SvREFCNT_dec (coro->saved_deffh);	1139	SvREFCNT_dec (coro->saved_deffh);
964	SvREFCNT_dec (coro->rouse_cb);	1140	SvREFCNT_dec (coro->rouse_cb);
965	SvREFCNT_dec (coro->invoke_cb);	1141	SvREFCNT_dec (coro->invoke_cb);
966	SvREFCNT_dec (coro->invoke_av);	1142	SvREFCNT_dec (coro->invoke_av);
967		1143	}
968	coro_destruct_stacks (aTHX);
969	}	1144	}
970		1145
971	INLINE void	1146	INLINE void
972	free_coro_mortal (pTHX)	1147	free_coro_mortal (pTHX)
973	{	1148	{
…		…
1170	/* 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 */
1171	PL_restartop = PL_op;	1346	PL_restartop = PL_op;
1172	perl_run (PL_curinterp);	1347	perl_run (PL_curinterp);
1173	/*	1348	/*
1174	* 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
1175	* 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.
1176	*/	1352	*/
1177		1353
1178	/*	1354	/*
1179	* 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
1180	* 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)
1181	* reason for perl_run to return. We try to exit by jumping to the	1357	* reason for perl_run to return. We try to exit by jumping to the
1182	* bootstrap-time "top" top_env, as we cannot restore the "main"	1358	* bootstrap-time "top" top_env, as we cannot restore the "main"
1183	* coroutine as Coro has no such concept	1359	* coroutine as Coro has no such concept.
		1360	* This actually isn't valid with the pthread backend, but OSes requiring
		1361	* that backend are too broken to do it in a standards-compliant way.
1184	*/	1362	*/
1185	PL_top_env = main_top_env;	1363	PL_top_env = main_top_env;
1186	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1364	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1187	}	1365	}
1188	}	1366	}
…		…
1265	cctx_destroy (coro_cctx *cctx)	1443	cctx_destroy (coro_cctx *cctx)
1266	{	1444	{
1267	if (!cctx)	1445	if (!cctx)
1268	return;	1446	return;
1269		1447
1270	assert (cctx != cctx_current);//D temporary	1448	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1271		1449
1272	--cctx_count;	1450	--cctx_count;
1273	coro_destroy (&cctx->cctx);	1451	coro_destroy (&cctx->cctx);
1274		1452
1275	/* coro_transfer creates new, empty cctx's */	1453	/* coro_transfer creates new, empty cctx's */
…		…
1339	/* TODO: throwing up here is considered harmful */	1517	/* TODO: throwing up here is considered harmful */
1340		1518
1341	if (expect_true (prev != next))	1519	if (expect_true (prev != next))
1342	{	1520	{
1343	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1521	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1344	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,");
1345		1523
1346	if (expect_false (next->flags & CF_RUNNING))
1347	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1348
1349	if (expect_false (next->flags & CF_DESTROYED))	1524	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1350	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,");
1351		1526
1352	#if !PERL_VERSION_ATLEAST (5,10,0)	1527	#if !PERL_VERSION_ATLEAST (5,10,0)
1353	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1528	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1354	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,");
1355	#endif	1530	#endif
…		…
1388	if (expect_false (next->flags & CF_NEW))	1563	if (expect_false (next->flags & CF_NEW))
1389	{	1564	{
1390	/* need to start coroutine */	1565	/* need to start coroutine */
1391	next->flags &= ~CF_NEW;	1566	next->flags &= ~CF_NEW;
1392	/* setup coroutine call */	1567	/* setup coroutine call */
1393	coro_setup (aTHX_ next);	1568	init_perl (aTHX_ next);
1394	}	1569	}
1395	else	1570	else
1396	load_perl (aTHX_ next);	1571	load_perl (aTHX_ next);
1397
1398	assert (!prev->cctx);//D temporary
1399		1572
1400	/* possibly untie and reuse the cctx */	1573	/* possibly untie and reuse the cctx */
1401	if (expect_true (	1574	if (expect_true (
1402	cctx_current->idle_sp == STACKLEVEL	1575	cctx_current->idle_sp == STACKLEVEL
1403	&& !(cctx_current->flags & CC_TRACE)	1576	&& !(cctx_current->flags & CC_TRACE)
…		…
1445	coro_state_destroy (pTHX_ struct coro *coro)	1618	coro_state_destroy (pTHX_ struct coro *coro)
1446	{	1619	{
1447	if (coro->flags & CF_DESTROYED)	1620	if (coro->flags & CF_DESTROYED)
1448	return 0;	1621	return 0;
1449		1622
1450	if (coro->on_destroy)	1623	if (coro->on_destroy && !PL_dirty)
1451	coro->on_destroy (aTHX_ coro);	1624	coro->on_destroy (aTHX_ coro);
1452		1625
1453	coro->flags \|= CF_DESTROYED;	1626	coro->flags \|= CF_DESTROYED;
1454		1627
1455	if (coro->flags & CF_READY)	1628	if (coro->flags & CF_READY)
…		…
1459	--coro_nready;	1632	--coro_nready;
1460	}	1633	}
1461	else	1634	else
1462	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1635	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1463		1636
1464	if (coro->mainstack && coro->mainstack != main_mainstack)	1637	if (coro->mainstack
1465	{	1638	&& coro->mainstack != main_mainstack
1466	struct coro temp;	1639	&& coro->slot
1467		1640	&& !PL_dirty)
1468	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1469
1470	save_perl (aTHX_ &temp);
1471	load_perl (aTHX_ coro);	1641	destroy_perl (aTHX_ coro);
1472		1642
1473	coro_destruct (aTHX_ coro);	1643	if (coro->next) coro->next->prev = coro->prev;
1474		1644	if (coro->prev) coro->prev->next = coro->next;
1475	load_perl (aTHX_ &temp);	1645	if (coro == coro_first) coro_first = coro->next;
1476
1477	coro->slot = 0;
1478	}
1479		1646
1480	cctx_destroy (coro->cctx);	1647	cctx_destroy (coro->cctx);
1481	SvREFCNT_dec (coro->startcv);	1648	SvREFCNT_dec (coro->startcv);
1482	SvREFCNT_dec (coro->args);	1649	SvREFCNT_dec (coro->args);
		1650	SvREFCNT_dec (coro->swap_sv);
1483	SvREFCNT_dec (CORO_THROW);	1651	SvREFCNT_dec (CORO_THROW);
1484
1485	if (coro->next) coro->next->prev = coro->prev;
1486	if (coro->prev) coro->prev->next = coro->next;
1487	if (coro == coro_first) coro_first = coro->next;
1488		1652
1489	return 1;	1653	return 1;
1490	}	1654	}
1491		1655
1492	static int	1656	static int
…		…
1542		1706
1543	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1707	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1544	TRANSFER (ta, 1);	1708	TRANSFER (ta, 1);
1545	}	1709	}
1546		1710
1547	/*****************************************************************************/
1548	/* gensub: simple closure generation utility */
1549
1550	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1551
1552	/* create a closure from XS, returns a code reference */
1553	/* the arg can be accessed via GENSUB_ARG from the callback */
1554	/* the callback must use dXSARGS/XSRETURN */
1555	static SV *
1556	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
1557	{
1558	CV cv = (CV )newSV (0);
1559
1560	sv_upgrade ((SV *)cv, SVt_PVCV);
1561
1562	CvANON_on (cv);
1563	CvISXSUB_on (cv);
1564	CvXSUB (cv) = xsub;
1565	GENSUB_ARG = arg;
1566
1567	return newRV_noinc ((SV *)cv);
1568	}
1569
1570	/ Coro ******************************************************************/	1711	/ Coro ******************************************************************/
1571		1712
1572	INLINE void	1713	INLINE void
1573	coro_enq (pTHX_ struct coro *coro)	1714	coro_enq (pTHX_ struct coro *coro)
1574	{	1715	{
1575	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1716	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1576	}
1577		1717
1578	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 *
1579	coro_deq (pTHX)	1726	coro_deq (pTHX)
1580	{	1727	{
1581	int prio;	1728	int prio;
1582		1729
1583	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1730	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1584	if (AvFILLp (coro_ready [prio]) >= 0)	1731	{
1585	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	}
1586		1741
1587	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;
1588	}	1760	}
1589		1761
1590	static int	1762	static int
1591	api_ready (pTHX_ SV *coro_sv)	1763	api_ready (pTHX_ SV *coro_sv)
1592	{	1764	{
1593	struct coro *coro;
1594	SV *sv_hook;
1595	void (*xs_hook)(void);
1596
1597	coro = SvSTATE (coro_sv);	1765	struct coro *coro = SvSTATE (coro_sv);
1598		1766
1599	if (coro->flags & CF_READY)	1767	if (coro->flags & CF_READY)
1600	return 0;	1768	return 0;
1601		1769
1602	coro->flags \|= CF_READY;	1770	coro->flags \|= CF_READY;
1603		1771
1604	sv_hook = coro_nready ? 0 : coro_readyhook;
1605	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1606
1607	coro_enq (aTHX_ coro);	1772	coro_enq (aTHX_ coro);
1608	++coro_nready;
1609		1773
1610	if (sv_hook)	1774	if (!coro_nready++)
1611	{	1775	if (coroapi.readyhook)
1612	dSP;	1776	coroapi.readyhook ();
1613
1614	ENTER;
1615	SAVETMPS;
1616
1617	PUSHMARK (SP);
1618	PUTBACK;
1619	call_sv (sv_hook, G_VOID \| G_DISCARD);
1620
1621	FREETMPS;
1622	LEAVE;
1623	}
1624
1625	if (xs_hook)
1626	xs_hook ();
1627		1777
1628	return 1;	1778	return 1;
1629	}	1779	}
1630		1780
1631	static int	1781	static int
…		…
1654	static void	1804	static void
1655	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1805	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1656	{	1806	{
1657	for (;;)	1807	for (;;)
1658	{	1808	{
1659	SV *next_sv = coro_deq (aTHX);	1809	struct coro *next = coro_deq (aTHX);
1660		1810
1661	if (expect_true (next_sv))	1811	if (expect_true (next))
1662	{	1812	{
1663	struct coro *next = SvSTATE_hv (next_sv);
1664
1665	/* cannot transfer to destroyed coros, skip and look for next */	1813	/* cannot transfer to destroyed coros, skip and look for next */
1666	if (expect_false (next->flags & CF_DESTROYED))	1814	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1667	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 */
1668	else	1816	else
1669	{	1817	{
1670	next->flags &= ~CF_READY;	1818	next->flags &= ~CF_READY;
1671	--coro_nready;	1819	--coro_nready;
1672		1820
…		…
1678	{	1826	{
1679	/* nothing to schedule: call the idle handler */	1827	/* nothing to schedule: call the idle handler */
1680	if (SvROK (sv_idle)	1828	if (SvROK (sv_idle)
1681	&& SvOBJECT (SvRV (sv_idle)))	1829	&& SvOBJECT (SvRV (sv_idle)))
1682	{	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
1683	++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 */
1684	api_ready (aTHX_ SvRV (sv_idle));	1835	api_ready (aTHX_ SvRV (sv_idle));
1685	--coro_nready;	1836	--coro_nready;
1686	}	1837	}
1687	else	1838	else
1688	{	1839	{
		1840	/* TODO: deprecated, remove, cannot work reliably //D*/
1689	dSP;	1841	dSP;
1690		1842
1691	ENTER;	1843	ENTER;
1692	SAVETMPS;	1844	SAVETMPS;
1693		1845
…		…
1839	{	1991	{
1840	int i;	1992	int i;
1841	HV hv = (HV )SvRV (coro_current);	1993	HV hv = (HV )SvRV (coro_current);
1842	AV *av = newAV ();	1994	AV *av = newAV ();
1843		1995
		1996	/* items are actually not so common, so optimise for this case */
		1997	if (items)
		1998	{
1844	av_extend (av, items - 1);	1999	av_extend (av, items - 1);
		2000
1845	for (i = 0; i < items; ++i)	2001	for (i = 0; i < items; ++i)
1846	av_push (av, SvREFCNT_inc_NN (arg [i]));	2002	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2003	}
1847		2004
1848	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);
1849		2006
1850	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 */
1851	api_ready (aTHX_ sv_manager);	2008	api_ready (aTHX_ sv_manager);
1852		2009
1853	frame->prepare = prepare_schedule;	2010	frame->prepare = prepare_schedule;
1854	frame->check = slf_check_repeat;	2011	frame->check = slf_check_repeat;
		2012
		2013	/* as a minor optimisation, we could unwind all stacks here */
		2014	/* but that puts extra pressure on pp_slf, and is not worth much */
		2015	/coro_unwind_stacks (aTHX);/
1855	}	2016	}
1856		2017
1857	/*****************************************************************************/	2018	/*****************************************************************************/
1858	/* async pool handler */	2019	/* async pool handler */
1859		2020
…		…
1937		2098
1938	static void	2099	static void
1939	coro_rouse_callback (pTHX_ CV *cv)	2100	coro_rouse_callback (pTHX_ CV *cv)
1940	{	2101	{
1941	dXSARGS;	2102	dXSARGS;
1942	SV data = (SV )GENSUB_ARG;	2103	SV data = (SV )S_GENSUB_ARG;
1943		2104
1944	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1945	{	2106	{
1946	/* first call, set args */	2107	/* first call, set args */
		2108	SV *coro = SvRV (data);
1947	AV *av = newAV ();	2109	AV *av = newAV ();
1948	SV *coro = SvRV (data);
1949		2110
1950	SvRV_set (data, (SV *)av);	2111	SvRV_set (data, (SV *)av);
1951	api_ready (aTHX_ coro);
1952	SvREFCNT_dec (coro);
1953		2112
1954	/* better take a full copy of the arguments */	2113	/* better take a full copy of the arguments */
1955	while (items--)	2114	while (items--)
1956	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);
1957	}	2119	}
1958		2120
1959	XSRETURN_EMPTY;	2121	XSRETURN_EMPTY;
1960	}	2122	}
1961		2123
…		…
1978		2140
1979	EXTEND (SP, AvFILLp (av) + 1);	2141	EXTEND (SP, AvFILLp (av) + 1);
1980	for (i = 0; i <= AvFILLp (av); ++i)	2142	for (i = 0; i <= AvFILLp (av); ++i)
1981	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2143	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1982		2144
1983	/* 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 */
1984	AvFILLp (av) = -1;	2146	AvFILLp (av) = -1;
1985	av_undef (av);	2147	av_undef (av);
1986		2148
1987	PUTBACK;	2149	PUTBACK;
1988	}	2150	}
…		…
2012	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV	2174	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV
2013	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2175	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2014	croak ("Coro::rouse_wait called with illegal callback argument,");	2176	croak ("Coro::rouse_wait called with illegal callback argument,");
2015		2177
2016	{	2178	{
2017	CV cv = (CV )SvRV (cb); /* for GENSUB_ARG */	2179	CV cv = (CV )SvRV (cb); /* for S_GENSUB_ARG */
2018	SV data = (SV )GENSUB_ARG;	2180	SV data = (SV )S_GENSUB_ARG;
2019		2181
2020	frame->data = (void *)data;	2182	frame->data = (void *)data;
2021	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2183	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2022	frame->check = slf_check_rouse_wait;	2184	frame->check = slf_check_rouse_wait;
2023	}	2185	}
…		…
2027	coro_new_rouse_cb (pTHX)	2189	coro_new_rouse_cb (pTHX)
2028	{	2190	{
2029	HV hv = (HV )SvRV (coro_current);	2191	HV hv = (HV )SvRV (coro_current);
2030	struct coro *coro = SvSTATE_hv (hv);	2192	struct coro *coro = SvSTATE_hv (hv);
2031	SV data = newRV_inc ((SV )hv);	2193	SV data = newRV_inc ((SV )hv);
2032	SV cb = gensub (aTHX_ coro_rouse_callback, (void )data);	2194	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);
2033		2195
2034	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);
2035	SvREFCNT_dec (data); /* magicext increases the refcount */	2197	SvREFCNT_dec (data); /* magicext increases the refcount */
2036		2198
2037	SvREFCNT_dec (coro->rouse_cb);	2199	SvREFCNT_dec (coro->rouse_cb);
…		…
2262	if (PL_op->op_flags & OPf_STACKED)	2424	if (PL_op->op_flags & OPf_STACKED)
2263	{	2425	{
2264	if (items > slf_arga)	2426	if (items > slf_arga)
2265	{	2427	{
2266	slf_arga = items;	2428	slf_arga = items;
2267	free (slf_argv);	2429	Safefree (slf_argv);
2268	slf_argv = malloc (slf_arga * sizeof (SV *));	2430	New (0, slf_argv, slf_arga, SV *);
2269	}	2431	}
2270		2432
2271	slf_argc = items;	2433	slf_argc = items;
2272		2434
2273	for (i = 0; i < items; ++i)	2435	for (i = 0; i < items; ++i)
…		…
2278		2440
2279	PL_op->op_ppaddr = pp_slf;	2441	PL_op->op_ppaddr = pp_slf;
2280	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2442	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2281		2443
2282	PL_op = (OP *)&slf_restore;	2444	PL_op = (OP *)&slf_restore;
		2445	}
		2446
		2447	/*****************************************************************************/
		2448	/* dynamic wind */
		2449
		2450	static void
		2451	on_enterleave_call (pTHX_ SV *cb)
		2452	{
		2453	dSP;
		2454
		2455	PUSHSTACK;
		2456
		2457	PUSHMARK (SP);
		2458	PUTBACK;
		2459	call_sv (cb, G_VOID \| G_DISCARD);
		2460	SPAGAIN;
		2461
		2462	POPSTACK;
		2463	}
		2464
		2465	static SV *
		2466	coro_avp_pop_and_free (pTHX_ AV **avp)
		2467	{
		2468	AV av = avp;
		2469	SV *res = av_pop (av);
		2470
		2471	if (AvFILLp (av) < 0)
		2472	{
		2473	*avp = 0;
		2474	SvREFCNT_dec (av);
		2475	}
		2476
		2477	return res;
		2478	}
		2479
		2480	static void
		2481	coro_pop_on_enter (pTHX_ void *coro)
		2482	{
		2483	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2484	SvREFCNT_dec (cb);
		2485	}
		2486
		2487	static void
		2488	coro_pop_on_leave (pTHX_ void *coro)
		2489	{
		2490	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2491	on_enterleave_call (aTHX_ sv_2mortal (cb));
2283	}	2492	}
2284		2493
2285	/*****************************************************************************/	2494	/*****************************************************************************/
2286	/* PerlIO::cede */	2495	/* PerlIO::cede */
2287		2496
…		…
2361	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2362		2571
2363	static SV *	2572	static SV *
2364	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2365	{	2574	{
2366	/* 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 */
2367	AV *av = newAV ();	2576	AV *av = newAV ();
2368	SV **ary;	2577	SV **ary;
2369		2578
2370	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2371	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
2372	AvALLOC (av) = ary;	2581	AvALLOC (av) = ary;
		2582	#if PERL_VERSION_ATLEAST (5,10,0)
2373	/AvARRAY (av) = ary;/	2583	AvARRAY (av) = ary;
		2584	#else
2374	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2585	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2586	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2587	SvPVX ((SV )av) = (char )ary;
		2588	#endif
2375	AvMAX (av) = 1;	2589	AvMAX (av) = 1;
2376	AvFILLp (av) = 0;	2590	AvFILLp (av) = 0;
2377	ary [0] = newSViv (count);	2591	ary [0] = newSViv (count);
2378		2592
2379	return newRV_noinc ((SV *)av);	2593	return newRV_noinc ((SV *)av);
…		…
2508	{	2722	{
2509	if (items >= 2)	2723	if (items >= 2)
2510	{	2724	{
2511	/* callback form */	2725	/* callback form */
2512	AV av = (AV )SvRV (arg [0]);	2726	AV av = (AV )SvRV (arg [0]);
2513	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	SV *cb_cv = s_get_cv_croak (arg [1]);
2514		2728
2515	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2516		2730
2517	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2518	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2519		2733
2520	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2544	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2545	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2546		2760
2547	cb = av_shift (av);	2761	cb = av_shift (av);
2548		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	{
2549	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2550	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2551	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2552		2778
2553	--count;	2779	--count;
2554	}	2780	}
2555	}	2781	}
…		…
2564	static void	2790	static void
2565	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)
2566	{	2792	{
2567	AV av = (AV )SvRV (arg [0]);	2793	AV av = (AV )SvRV (arg [0]);
2568		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
2569	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]))
2570	{	2807	{
2571	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2572	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2573	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2574	}	2811	}
2575	else	2812	else
2576	{	2813	{
2577	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2814	SV waiter = newSVsv (coro_current); / owned by signal av */
2578		2815
2579	av_push (av, waiter);	2816	av_push (av, waiter);
2580		2817
2581	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 */
2582	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2600		2837
2601	static void	2838	static void
2602	coro_aio_callback (pTHX_ CV *cv)	2839	coro_aio_callback (pTHX_ CV *cv)
2603	{	2840	{
2604	dXSARGS;	2841	dXSARGS;
2605	AV state = (AV )GENSUB_ARG;	2842	AV state = (AV )S_GENSUB_ARG;
2606	SV *coro = av_pop (state);	2843	SV *coro = av_pop (state);
2607	SV *data_sv = newSV (sizeof (struct io_state));	2844	SV *data_sv = newSV (sizeof (struct io_state));
2608		2845
2609	av_extend (state, items - 1);	2846	av_extend (state, items - 1);
2610		2847
…		…
2724		2961
2725	for (i = 0; i < items; ++i)	2962	for (i = 0; i < items; ++i)
2726	PUSHs (arg [i]);	2963	PUSHs (arg [i]);
2727		2964
2728	/* now push the callback closure */	2965	/* now push the callback closure */
2729	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))));
2730		2967
2731	/* now call the AIO function - we assume our request is uncancelable */	2968	/* now call the AIO function - we assume our request is uncancelable */
2732	PUTBACK;	2969	PUTBACK;
2733	call_sv ((SV *)req, G_VOID \| G_DISCARD);	2970	call_sv ((SV *)req, G_VOID \| G_DISCARD);
2734	}	2971	}
2735		2972
2736	/* 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 */
2737	frame->data = (void *)state;	2974	frame->data = (void *)state;
2738	frame->prepare = prepare_schedule;	2975	frame->prepare = prepare_schedule;
2739	frame->check = slf_check_aio_req;	2976	frame->check = slf_check_aio_req;
2740	}	2977	}
2741		2978
…		…
2752	/*****************************************************************************/	2989	/*****************************************************************************/
2753		2990
2754	#if CORO_CLONE	2991	#if CORO_CLONE
2755	# include "clone.c"	2992	# include "clone.c"
2756	#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	}
2757		3052
2758	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	3053	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2759		3054
2760	PROTOTYPES: DISABLE	3055	PROTOTYPES: DISABLE
2761		3056
…		…
2821		3116
2822	if (!svp) croak ("Time::HiRes is required");	3117	if (!svp) croak ("Time::HiRes is required");
2823	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3118	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2824		3119
2825	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));
2826	}	3124	}
2827		3125
2828	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3126	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2829	}	3127	}
2830		3128
2831	SV *	3129	SV *
2832	new (char *klass, ...)	3130	new (SV *klass, ...)
2833	ALIAS:	3131	ALIAS:
2834	Coro::new = 1	3132	Coro::new = 1
2835	CODE:	3133	CODE:
2836	{	3134	RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2837	struct coro *coro;	3135	OUTPUT:
2838	MAGIC *mg;
2839	HV *hv;
2840	CV *cb;
2841	int i;
2842
2843	if (items > 1)
2844	{
2845	cb = coro_sv_2cv (aTHX_ ST (1));
2846
2847	if (!ix)
2848	{
2849	if (CvISXSUB (cb))
2850	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2851
2852	if (!CvROOT (cb))
2853	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2854	}
2855	}
2856
2857	Newz (0, coro, 1, struct coro);
2858	coro->args = newAV ();
2859	coro->flags = CF_NEW;
2860
2861	if (coro_first) coro_first->prev = coro;
2862	coro->next = coro_first;
2863	coro_first = coro;
2864
2865	coro->hv = hv = newHV ();
2866	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
2867	mg->mg_flags \|= MGf_DUP;
2868	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2869
2870	if (items > 1)
2871	{
2872	av_extend (coro->args, items - 1 + ix - 1);
2873
2874	if (ix)
2875	{
2876	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2877	cb = cv_coro_run;
2878	}
2879
2880	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);
2881
2882	for (i = 2; i < items; i++)
2883	av_push (coro->args, newSVsv (ST (i)));
2884	}
2885	}
2886	OUTPUT:
2887	RETVAL	3136	RETVAL
2888		3137
2889	void	3138	void
2890	transfer (...)	3139	transfer (...)
2891	PROTOTYPE: $$	3140	PROTOTYPE: $$
…		…
2908	SV *	3157	SV *
2909	clone (Coro::State coro)	3158	clone (Coro::State coro)
2910	CODE:	3159	CODE:
2911	{	3160	{
2912	#if CORO_CLONE	3161	#if CORO_CLONE
2913	struct coro *ncoro = coro_clone (coro);	3162	struct coro *ncoro = coro_clone (aTHX_ coro);
2914	MAGIC *mg;	3163	MAGIC *mg;
2915	/* TODO: too much duplication */	3164	/* TODO: too much duplication */
2916	ncoro->hv = newHV ();	3165	ncoro->hv = newHV ();
2917	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3166	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2918	mg->mg_flags \|= MGf_DUP;	3167	mg->mg_flags \|= MGf_DUP;
…		…
2980	eval = 1	3229	eval = 1
2981	CODE:	3230	CODE:
2982	{	3231	{
2983	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3232	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2984	{	3233	{
2985	struct coro temp;	3234	struct coro *current = SvSTATE_current;
2986		3235
2987	if (!(coro->flags & CF_RUNNING))	3236	if (current != coro)
2988	{	3237	{
2989	PUTBACK;	3238	PUTBACK;
2990	save_perl (aTHX_ &temp);	3239	save_perl (aTHX_ current);
2991	load_perl (aTHX_ coro);	3240	load_perl (aTHX_ coro);
		3241	SPAGAIN;
2992	}	3242	}
2993		3243
2994	{
2995	dSP;
2996	ENTER;
2997	SAVETMPS;
2998	PUTBACK;
2999	PUSHSTACK;	3244	PUSHSTACK;
		3245
3000	PUSHMARK (SP);	3246	PUSHMARK (SP);
		3247	PUTBACK;
3001		3248
3002	if (ix)	3249	if (ix)
3003	eval_sv (coderef, 0);	3250	eval_sv (coderef, 0);
3004	else	3251	else
3005	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3252	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3006		3253
3007	POPSTACK;	3254	POPSTACK;
3008	SPAGAIN;	3255	SPAGAIN;
3009	FREETMPS;
3010	LEAVE;
3011	PUTBACK;
3012	}
3013		3256
3014	if (!(coro->flags & CF_RUNNING))	3257	if (current != coro)
3015	{	3258	{
		3259	PUTBACK;
3016	save_perl (aTHX_ coro);	3260	save_perl (aTHX_ coro);
3017	load_perl (aTHX_ &temp);	3261	load_perl (aTHX_ current);
3018	SPAGAIN;	3262	SPAGAIN;
3019	}	3263	}
3020	}	3264	}
3021	}	3265	}
3022		3266
…		…
3026	ALIAS:	3270	ALIAS:
3027	is_ready = CF_READY	3271	is_ready = CF_READY
3028	is_running = CF_RUNNING	3272	is_running = CF_RUNNING
3029	is_new = CF_NEW	3273	is_new = CF_NEW
3030	is_destroyed = CF_DESTROYED	3274	is_destroyed = CF_DESTROYED
		3275	is_suspended = CF_SUSPENDED
3031	CODE:	3276	CODE:
3032	RETVAL = boolSV (coro->flags & ix);	3277	RETVAL = boolSV (coro->flags & ix);
3033	OUTPUT:	3278	OUTPUT:
3034	RETVAL	3279	RETVAL
3035		3280
3036	void	3281	void
3037	throw (Coro::State self, SV *throw = &PL_sv_undef)	3282	throw (Coro::State self, SV *exception = &PL_sv_undef)
3038	PROTOTYPE: $;$	3283	PROTOTYPE: $;$
3039	CODE:	3284	CODE:
3040	{	3285	{
3041	struct coro *current = SvSTATE_current;	3286	struct coro *current = SvSTATE_current;
3042	SV **throwp = self == current ? &CORO_THROW : &self->except;	3287	SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3043	SvREFCNT_dec (*throwp);	3288	SvREFCNT_dec (*exceptionp);
3044	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3289	SvGETMAGIC (exception);
		3290	*exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3045	}	3291	}
3046		3292
3047	void	3293	void
3048	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3294	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
3049	PROTOTYPE: $;$	3295	PROTOTYPE: $;$
…		…
3100	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3346	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3101		3347
3102	SV tmp = src; src = dst; *dst = tmp;	3348	SV tmp = src; src = dst; *dst = tmp;
3103	}	3349	}
3104		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
3105		3414
3106	MODULE = Coro::State PACKAGE = Coro	3415	MODULE = Coro::State PACKAGE = Coro
3107		3416
3108	BOOT:	3417	BOOT:
3109	{	3418	{
3110	int i;
3111
3112	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3419	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3113	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3420	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3114	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3421	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3115	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3422	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3116	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);
3117	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3424	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3118	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3425	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3119	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3426	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3120	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);	3427	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3121		3428
3122	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);
3123	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3430	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3124	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);
3125	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 */
3126		3433
3127	coro_stash = gv_stashpv ("Coro", TRUE);	3434	coro_stash = gv_stashpv ("Coro", TRUE);
3128		3435
3129	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3436	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3130	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3437	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3131	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3438	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3132	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3439	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3133	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3440	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3134	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3441	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3135
3136	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3137	coro_ready[i] = newAV ();
3138		3442
3139	{	3443	{
3140	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3444	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3141		3445
3142	coroapi.schedule = api_schedule;	3446	coroapi.schedule = api_schedule;
…		…
3152	sv_setiv (sv, (IV)&coroapi);	3456	sv_setiv (sv, (IV)&coroapi);
3153	SvREADONLY_on (sv);	3457	SvREADONLY_on (sv);
3154	}	3458	}
3155	}	3459	}
3156		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
3157	void	3470	void
3158	terminate (...)	3471	terminate (...)
3159	CODE:	3472	CODE:
3160	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3473	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3161		3474
…		…
3181		3494
3182	void	3495	void
3183	cede_notself (...)	3496	cede_notself (...)
3184	CODE:	3497	CODE:
3185	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3498	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3186
3187	void
3188	_cancel (Coro::State self)
3189	CODE:
3190	coro_state_destroy (aTHX_ self);
3191	coro_call_on_destroy (aTHX_ self);
3192		3499
3193	void	3500	void
3194	_set_current (SV *current)	3501	_set_current (SV *current)
3195	PROTOTYPE: $	3502	PROTOTYPE: $
3196	CODE:	3503	CODE:
…		…
3200	void	3507	void
3201	_set_readyhook (SV *hook)	3508	_set_readyhook (SV *hook)
3202	PROTOTYPE: $	3509	PROTOTYPE: $
3203	CODE:	3510	CODE:
3204	SvREFCNT_dec (coro_readyhook);	3511	SvREFCNT_dec (coro_readyhook);
		3512	SvGETMAGIC (hook);
		3513	if (SvOK (hook))
		3514	{
3205	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	}
3206		3523
3207	int	3524	int
3208	prio (Coro::State coro, int newprio = 0)	3525	prio (Coro::State coro, int newprio = 0)
3209	PROTOTYPE: $;$	3526	PROTOTYPE: $;$
3210	ALIAS:	3527	ALIAS:
…		…
3216	if (items > 1)	3533	if (items > 1)
3217	{	3534	{
3218	if (ix)	3535	if (ix)
3219	newprio = coro->prio - newprio;	3536	newprio = coro->prio - newprio;
3220		3537
3221	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3538	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3222	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3539	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3223		3540
3224	coro->prio = newprio;	3541	coro->prio = newprio;
3225	}	3542	}
3226	}	3543	}
3227	OUTPUT:	3544	OUTPUT:
…		…
3242	RETVAL = coro_nready;	3559	RETVAL = coro_nready;
3243	OUTPUT:	3560	OUTPUT:
3244	RETVAL	3561	RETVAL
3245		3562
3246	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
3247	_pool_handler (...)	3576	_pool_handler (...)
3248	CODE:	3577	CODE:
3249	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3578	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
3250		3579
3251	void	3580	void
…		…
3262	for (i = 1; i < items; ++i)	3591	for (i = 1; i < items; ++i)
3263	av_push (av, SvREFCNT_inc_NN (ST (i)));	3592	av_push (av, SvREFCNT_inc_NN (ST (i)));
3264		3593
3265	if ((SV *)hv == &PL_sv_undef)	3594	if ((SV *)hv == &PL_sv_undef)
3266	{	3595	{
3267	PUSHMARK (SP);	3596	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3268	EXTEND (SP, 2);
3269	PUSHs (sv_Coro);
3270	PUSHs ((SV *)cv_pool_handler);
3271	PUTBACK;
3272	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3273	SPAGAIN;
3274
3275	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3597	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
		3598	SvREFCNT_dec (sv);
3276	}	3599	}
3277		3600
3278	{	3601	{
3279	struct coro *coro = SvSTATE_hv (hv);	3602	struct coro *coro = SvSTATE_hv (hv);
3280		3603
…		…
3304	rouse_wait (...)	3627	rouse_wait (...)
3305	PROTOTYPE: ;$	3628	PROTOTYPE: ;$
3306	PPCODE:	3629	PPCODE:
3307	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3630	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3308		3631
		3632	void
		3633	on_enter (SV *block)
		3634	ALIAS:
		3635	on_leave = 1
		3636	PROTOTYPE: &
		3637	CODE:
		3638	{
		3639	struct coro *coro = SvSTATE_current;
		3640	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3641
		3642	block = s_get_cv_croak (block);
		3643
		3644	if (!*avp)
		3645	*avp = newAV ();
		3646
		3647	av_push (*avp, SvREFCNT_inc (block));
		3648
		3649	if (!ix)
		3650	on_enterleave_call (aTHX_ block);
		3651
		3652	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3653	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3654	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3655	}
		3656
3309		3657
3310	MODULE = Coro::State PACKAGE = PerlIO::cede	3658	MODULE = Coro::State PACKAGE = PerlIO::cede
3311		3659
3312	BOOT:	3660	BOOT:
3313	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3661	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3316	MODULE = Coro::State PACKAGE = Coro::Semaphore	3664	MODULE = Coro::State PACKAGE = Coro::Semaphore
3317		3665
3318	SV *	3666	SV *
3319	new (SV klass, SV count = 0)	3667	new (SV klass, SV count = 0)
3320	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
3321	RETVAL = sv_bless (	3680	RETVAL = sv_bless (
3322	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3681	coro_waitarray_new (aTHX_ semcnt),
3323	GvSTASH (CvGV (cv))	3682	GvSTASH (CvGV (cv))
3324	);	3683	);
		3684	}
3325	OUTPUT:	3685	OUTPUT:
3326	RETVAL	3686	RETVAL
3327		3687
3328	# helper for Coro::Channel	3688	# helper for Coro::Channel and others
3329	SV *	3689	SV *
3330	_alloc (int count)	3690	_alloc (int count)
3331	CODE:	3691	CODE:
3332	RETVAL = coro_waitarray_new (aTHX_ count);	3692	RETVAL = coro_waitarray_new (aTHX_ count);
3333	OUTPUT:	3693	OUTPUT:
…		…
3391	for (i = 1; i <= wcount; ++i)	3751	for (i = 1; i <= wcount; ++i)
3392	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3752	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3393	}	3753	}
3394	}	3754	}
3395		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
3396	MODULE = Coro::State PACKAGE = Coro::Signal	3772	MODULE = Coro::State PACKAGE = Coro::Signal
3397		3773
3398	SV *	3774	SV *
3399	new (SV *klass)	3775	new (SV *klass)
3400	CODE:	3776	CODE:
…		…
3471		3847
3472	void	3848	void
3473	_register (char target, char proto, SV *req)	3849	_register (char target, char proto, SV *req)
3474	CODE:	3850	CODE:
3475	{	3851	{
3476	CV *req_cv = coro_sv_2cv (aTHX_ req);	3852	SV *req_cv = s_get_cv_croak (req);
3477	/* newXSproto doesn't return the CV on 5.8 */	3853	/* newXSproto doesn't return the CV on 5.8 */
3478	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3854	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3479	sv_setpv ((SV *)slf_cv, proto);	3855	sv_setpv ((SV *)slf_cv, proto);
3480	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);
3481	}	3857	}
3482		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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Comparing Coro/Coro/State.xs (file contents): Revision 1.327 by root, Mon Nov 24 06:07:16 2008 UTC vs. Revision 1.383 by root, Sun Feb 13 04:39:16 2011 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.327 by root, Mon Nov 24 06:07:16 2008 UTC vs.
Revision 1.383 by root, Sun Feb 13 04:39:16 2011 UTC