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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.336 by root, Thu Dec 4 17:29:40 2008 UTC vs.
Revision 1.367 by root, Mon Aug 3 09:19:57 2009 UTC

…		…
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
9	#include "perliol.h"	9	#include "perliol.h"
10		10
11	#include "patchlevel.h"	11	#include "schmorp.h"
12		12
13	#include <stdio.h>	13	#include <stdio.h>
14	#include <errno.h>	14	#include <errno.h>
15	#include <assert.h>	15	#include <assert.h>
16		16
…		…
51	#endif	51	#endif
52		52
53	/* the maximum number of idle cctx that will be pooled */	53	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	54	static int cctx_max_idle = 4;
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \
58	\|\| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \
60	\|\| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr
65	# endif
66	# ifndef call_sv
67	# define call_sv perl_call_sv
68	# endif
69	# ifndef get_sv
70	# define get_sv perl_get_sv
71	# endif
72	# ifndef get_cv
73	# define get_cv perl_get_cv
74	# endif
75	# ifndef IS_PADGV
76	# define IS_PADGV(v) 0
77	# endif
78	# ifndef IS_PADCONST
79	# define IS_PADCONST(v) 0
80	# endif
81	#endif
82
83	/* 5.11 */
84	#ifndef CxHASARGS
85	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86	#endif
87
88	/* 5.10.0 */
89	#ifndef SvREFCNT_inc_NN
90	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91	#endif
92
93	/* 5.8.8 */
94	#ifndef GV_NOTQUAL
95	# define GV_NOTQUAL 0
96	#endif
97	#ifndef newSV
98	# define newSV(l) NEWSV(0,l)
99	#endif
100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv
102	#endif
103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif
106	#ifndef Newx
107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108	#endif
109
110	/* 5.8.7 */
111	#ifndef SvRV_set
112	# define SvRV_set(s,v) SvRV(s) = (v)
113	#endif
114
115	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	56	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	57	# undef CORO_STACKGUARD
117	#endif	58	#endif
118		59
119	#ifndef CORO_STACKGUARD	60	#ifndef CORO_STACKGUARD
…		…
137		78
138	#define IN_DESTRUCT PL_dirty	79	#define IN_DESTRUCT PL_dirty
139		80
140	#if __GNUC__ >= 3	81	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	82	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	83	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	84	# define INLINE static inline
144	#else	85	#else
145	# define attribute(x)	86	# define attribute(x)
146	# define expect(expr,value) (expr)	87	# define expect(expr,value) (expr)
147	# define INLINE static	88	# define INLINE static
…		…
159	# if CORO_PTHREAD	100	# if CORO_PTHREAD
160	static void *coro_thx;	101	static void *coro_thx;
161	# endif	102	# endif
162	#endif	103	#endif
163		104
		105	#ifdef __linux
		106	# include <time.h> /* for timespec */
		107	# include <syscall.h> /* for SYS_* */
		108	# ifdef SYS_clock_gettime
		109	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		110	# define CORO_CLOCK_MONOTONIC 1
		111	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		112	# endif
		113	#endif
		114
164	static double (nvtime)(); / so why doesn't it take void? */	115	static double (nvtime)(); / so why doesn't it take void? */
		116	static void (*u2time)(pTHX_ UV ret[2]);
165		117
166	/* we hijack an hopefully unused CV flag for our purposes */	118	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	119	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	120	static OP *pp_slf (pTHX);
169		121
…		…
195	static CV *cv_coro_state_new;	147	static CV *cv_coro_state_new;
196		148
197	/* Coro::AnyEvent */	149	/* Coro::AnyEvent */
198	static SV *sv_activity;	150	static SV *sv_activity;
199		151
		152	/* enable processtime/realtime profiling */
		153	static char enable_times;
		154	typedef U32 coro_ts[2];
		155	static coro_ts time_real, time_cpu;
		156	static char times_valid;
		157
200	static struct coro_cctx *cctx_first;	158	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	159	static int cctx_count, cctx_idle;
202		160
203	enum {	161	enum {
204	CC_MAPPED = 0x01,	162	CC_MAPPED = 0x01,
…		…
238	enum {	196	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	197	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	198	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	199	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	200	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		201	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	202	};
244		203
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	204	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	205	typedef struct
247	{	206	{
…		…
260	/* this is a structure representing a perl-level coroutine */	219	/* this is a structure representing a perl-level coroutine */
261	struct coro {	220	struct coro {
262	/* the C coroutine allocated to this perl coroutine, if any */	221	/* the C coroutine allocated to this perl coroutine, if any */
263	coro_cctx *cctx;	222	coro_cctx *cctx;
264		223
		224	/* ready queue */
		225	struct coro *next_ready;
		226
265	/* state data */	227	/* state data */
266	struct CoroSLF slf_frame; /* saved slf frame */	228	struct CoroSLF slf_frame; /* saved slf frame */
267	AV *mainstack;	229	AV *mainstack;
268	perl_slots slot; / basically the saved sp */	230	perl_slots slot; / basically the saved sp */
269		231
…		…
285	/* async_pool */	247	/* async_pool */
286	SV *saved_deffh;	248	SV *saved_deffh;
287	SV *invoke_cb;	249	SV *invoke_cb;
288	AV *invoke_av;	250	AV *invoke_av;
289		251
		252	/* on_enter/on_leave */
		253	AV *on_enter;
		254	AV *on_leave;
		255
		256	/* times */
		257	coro_ts t_cpu, t_real;
		258
290	/* linked list */	259	/* linked list */
291	struct coro next, prev;	260	struct coro next, prev;
292	};	261	};
293		262
294	typedef struct coro *Coro__State;	263	typedef struct coro *Coro__State;
…		…
299	/* the mainr easonw e don't support windows process emulation */	268	/* the mainr easonw e don't support windows process emulation */
300	static struct CoroSLF slf_frame; /* the current slf frame */	269	static struct CoroSLF slf_frame; /* the current slf frame */
301		270
302	/ Coro ******************************************************************/	271	/ Coro ******************************************************************/
303		272
304	#define PRIO_MAX 3	273	#define CORO_PRIO_MAX 3
305	#define PRIO_HIGH 1	274	#define CORO_PRIO_HIGH 1
306	#define PRIO_NORMAL 0	275	#define CORO_PRIO_NORMAL 0
307	#define PRIO_LOW -1	276	#define CORO_PRIO_LOW -1
308	#define PRIO_IDLE -3	277	#define CORO_PRIO_IDLE -3
309	#define PRIO_MIN -4	278	#define CORO_PRIO_MIN -4
310		279
311	/* for Coro.pm */	280	/* for Coro.pm */
312	static SV *coro_current;	281	static SV *coro_current;
313	static SV *coro_readyhook;	282	static SV *coro_readyhook;
314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	283	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
315	static CV cv_coro_run, cv_coro_terminate;	284	static CV cv_coro_run, cv_coro_terminate;
316	static struct coro *coro_first;	285	static struct coro *coro_first;
317	#define coro_nready coroapi.nready	286	#define coro_nready coroapi.nready
		287
		288	/ Coro::Select **********************************************************/
		289
		290	static OP (coro_old_pp_sselect) (pTHX);
		291	static SV *coro_select_select;
		292
		293	/* horrible hack, but if it works... */
		294	static OP *
		295	coro_pp_sselect (aTHX)
		296	{
		297	dSP;
		298	PUSHMARK (SP - 4); /* fake argument list */
		299	XPUSHs (coro_select_select);
		300	PUTBACK;
		301
		302	/* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
		303	PL_op->op_flags \|= OPf_STACKED;
		304	PL_op->op_private = 0;
		305	return PL_ppaddr [OP_ENTERSUB](aTHX);
		306	}
318		307
319	/ lowlevel stuff ********************************************************/	308	/ lowlevel stuff ********************************************************/
320		309
321	static SV *	310	static SV *
322	coro_get_sv (pTHX_ const char *name, int create)	311	coro_get_sv (pTHX_ const char *name, int create)
…		…
346	get_hv (name, create);	335	get_hv (name, create);
347	#endif	336	#endif
348	return get_hv (name, create);	337	return get_hv (name, create);
349	}	338	}
350		339
351	/* may croak */	340	INLINE void
352	INLINE CV *	341	coro_times_update ()
353	coro_sv_2cv (pTHX_ SV *sv)
354	{	342	{
355	HV *st;	343	#ifdef coro_clock_gettime
356	GV *gvp;	344	struct timespec ts;
357	return sv_2cv (sv, &st, &gvp, 0);	345
		346	ts.tv_sec = ts.tv_nsec = 0;
		347	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		348	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
		349
		350	ts.tv_sec = ts.tv_nsec = 0;
		351	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		352	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		353	#else
		354	dTHX;
		355	UV tv[2];
		356
		357	u2time (aTHX_ tv);
		358	time_real [0] = tv [0];
		359	time_real [1] = tv [1] * 1000;
		360	#endif
		361	}
		362
		363	INLINE void
		364	coro_times_add (struct coro *c)
		365	{
		366	c->t_real [1] += time_real [1];
		367	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		368	c->t_real [0] += time_real [0];
		369
		370	c->t_cpu [1] += time_cpu [1];
		371	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		372	c->t_cpu [0] += time_cpu [0];
		373	}
		374
		375	INLINE void
		376	coro_times_sub (struct coro *c)
		377	{
		378	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		379	c->t_real [1] -= time_real [1];
		380	c->t_real [0] -= time_real [0];
		381
		382	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		383	c->t_cpu [1] -= time_cpu [1];
		384	c->t_cpu [0] -= time_cpu [0];
358	}	385	}
359		386
360	/*****************************************************************************/	387	/*****************************************************************************/
361	/* magic glue */	388	/* magic glue */
362		389
…		…
462	static int	489	static int
463	coro_cv_free (pTHX_ SV sv, MAGIC mg)	490	coro_cv_free (pTHX_ SV sv, MAGIC mg)
464	{	491	{
465	AV *padlist;	492	AV *padlist;
466	AV av = (AV )mg->mg_obj;	493	AV av = (AV )mg->mg_obj;
		494
		495	/* perl manages to free our internal AV and _then_ call us */
		496	if (IN_DESTRUCT)
		497	return 0;
467		498
468	/* casting is fun. */	499	/* casting is fun. */
469	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	500	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
470	free_padlist (aTHX_ padlist);	501	free_padlist (aTHX_ padlist);
471		502
…		…
521	}	552	}
522		553
523	/ load & save, init *****************************************************/	554	/ load & save, init *****************************************************/
524		555
525	static void	556	static void
		557	on_enterleave_call (pTHX_ SV *cb);
		558
		559	static void
526	load_perl (pTHX_ Coro__State c)	560	load_perl (pTHX_ Coro__State c)
527	{	561	{
528	perl_slots *slot = c->slot;	562	perl_slots *slot = c->slot;
529	c->slot = 0;	563	c->slot = 0;
530		564
…		…
556	PUTBACK;	590	PUTBACK;
557	}	591	}
558		592
559	slf_frame = c->slf_frame;	593	slf_frame = c->slf_frame;
560	CORO_THROW = c->except;	594	CORO_THROW = c->except;
		595
		596	if (expect_false (enable_times))
		597	{
		598	if (expect_false (!times_valid))
		599	coro_times_update ();
		600
		601	coro_times_sub (c);
		602	}
		603
		604	if (expect_false (c->on_enter))
		605	{
		606	int i;
		607
		608	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		609	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		610	}
561	}	611	}
562		612
563	static void	613	static void
564	save_perl (pTHX_ Coro__State c)	614	save_perl (pTHX_ Coro__State c)
565	{	615	{
		616	if (expect_false (c->on_leave))
		617	{
		618	int i;
		619
		620	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		621	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		622	}
		623
		624	times_valid = 0;
		625
		626	if (expect_false (enable_times))
		627	{
		628	coro_times_update (); times_valid = 1;
		629	coro_times_add (c);
		630	}
		631
566	c->except = CORO_THROW;	632	c->except = CORO_THROW;
567	c->slf_frame = slf_frame;	633	c->slf_frame = slf_frame;
568		634
569	{	635	{
570	dSP;	636	dSP;
…		…
583	{	649	{
584	while (expect_true (cxix >= 0))	650	while (expect_true (cxix >= 0))
585	{	651	{
586	PERL_CONTEXT *cx = &ccstk[cxix--];	652	PERL_CONTEXT *cx = &ccstk[cxix--];
587		653
588	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	654	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
589	{	655	{
590	CV *cv = cx->blk_sub.cv;	656	CV *cv = cx->blk_sub.cv;
591		657
592	if (expect_true (CvDEPTH (cv)))	658	if (expect_true (CvDEPTH (cv)))
593	{	659	{
…		…
617	/* we manually unroll here, as usually 2 slots is enough */	683	/* we manually unroll here, as usually 2 slots is enough */
618	if (SLOT_COUNT >= 1) CXINC;	684	if (SLOT_COUNT >= 1) CXINC;
619	if (SLOT_COUNT >= 2) CXINC;	685	if (SLOT_COUNT >= 2) CXINC;
620	if (SLOT_COUNT >= 3) CXINC;	686	if (SLOT_COUNT >= 3) CXINC;
621	{	687	{
622	int i;	688	unsigned int i;
623	for (i = 3; i < SLOT_COUNT; ++i)	689	for (i = 3; i < SLOT_COUNT; ++i)
624	CXINC;	690	CXINC;
625	}	691	}
626	cxstack_ix -= SLOT_COUNT; /* undo allocation */	692	cxstack_ix -= SLOT_COUNT; /* undo allocation */
627		693
…		…
769	#endif	835	#endif
770		836
771	/*	837	/*
772	* This overrides the default magic get method of %SIG elements.	838	* This overrides the default magic get method of %SIG elements.
773	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	839	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
774	* and instead of tryign to save and restore the hash elements, we just provide	840	* and instead of trying to save and restore the hash elements, we just provide
775	* readback here.	841	* readback here.
776	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
777	* not expecting this to actually change the hook. This is a potential problem
778	* when a schedule happens then, but we ignore this.
779	*/	842	*/
780	static int	843	static int
781	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	844	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
782	{	845	{
783	const char *s = MgPV_nolen_const (mg);	846	const char *s = MgPV_nolen_const (mg);
…		…
836	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	899	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
837		900
838	if (svp)	901	if (svp)
839	{	902	{
840	SV old = svp;	903	SV old = svp;
841	*svp = newSVsv (sv);	904	*svp = SvOK (sv) ? newSVsv (sv) : 0;
842	SvREFCNT_dec (old);	905	SvREFCNT_dec (old);
843	return 0;	906	return 0;
844	}	907	}
845	}	908	}
846		909
…		…
935		998
936	PL_op = (OP *)&coro_setup_op;	999	PL_op = (OP *)&coro_setup_op;
937		1000
938	/* copy throw, in case it was set before coro_setup */	1001	/* copy throw, in case it was set before coro_setup */
939	CORO_THROW = coro->except;	1002	CORO_THROW = coro->except;
940	}
941		1003
		1004	if (expect_false (enable_times))
		1005	{
		1006	coro_times_update ();
		1007	coro_times_sub (coro);
		1008	}
		1009	}
		1010
942	static void	1011	static void
943	coro_destruct_perl (pTHX_ struct coro *coro)	1012	coro_unwind_stacks (pTHX)
944	{	1013	{
945	if (!IN_DESTRUCT)	1014	if (!IN_DESTRUCT)
946	{	1015	{
947	/* restore all saved variables and stuff */	1016	/* restore all saved variables and stuff */
948	LEAVE_SCOPE (0);	1017	LEAVE_SCOPE (0);
…		…
956	POPSTACK_TO (PL_mainstack);	1025	POPSTACK_TO (PL_mainstack);
957		1026
958	/* unwind main stack */	1027	/* unwind main stack */
959	dounwind (-1);	1028	dounwind (-1);
960	}	1029	}
		1030	}
961		1031
962	SvREFCNT_dec (GvSV (PL_defgv));	1032	static void
963	SvREFCNT_dec (GvAV (PL_defgv));	1033	coro_destruct_perl (pTHX_ struct coro *coro)
964	SvREFCNT_dec (GvSV (PL_errgv));	1034	{
965	SvREFCNT_dec (PL_defoutgv);	1035	SV *svf [9];
966	SvREFCNT_dec (PL_rs);
967	SvREFCNT_dec (GvSV (irsgv));
968	SvREFCNT_dec (GvHV (PL_hintgv));
969		1036
970	SvREFCNT_dec (PL_diehook);
971	SvREFCNT_dec (PL_warnhook);
972		1037	{
		1038	struct coro *current = SvSTATE_current;
		1039
		1040	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1041
		1042	save_perl (aTHX_ current);
		1043	load_perl (aTHX_ coro);
		1044
		1045	coro_unwind_stacks (aTHX);
		1046	coro_destruct_stacks (aTHX);
		1047
		1048	// now save some sv's to be free'd later
		1049	svf [0] = GvSV (PL_defgv);
		1050	svf [1] = (SV *)GvAV (PL_defgv);
		1051	svf [2] = GvSV (PL_errgv);
		1052	svf [3] = (SV *)PL_defoutgv;
		1053	svf [4] = PL_rs;
		1054	svf [5] = GvSV (irsgv);
		1055	svf [6] = (SV *)GvHV (PL_hintgv);
		1056	svf [7] = PL_diehook;
		1057	svf [8] = PL_warnhook;
		1058	assert (9 == sizeof (svf) / sizeof (*svf));
		1059
		1060	load_perl (aTHX_ current);
		1061	}
		1062
		1063	{
		1064	unsigned int i;
		1065
		1066	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1067	SvREFCNT_dec (svf [i]);
		1068
973	SvREFCNT_dec (coro->saved_deffh);	1069	SvREFCNT_dec (coro->saved_deffh);
974	SvREFCNT_dec (coro->rouse_cb);	1070	SvREFCNT_dec (coro->rouse_cb);
975	SvREFCNT_dec (coro->invoke_cb);	1071	SvREFCNT_dec (coro->invoke_cb);
976	SvREFCNT_dec (coro->invoke_av);	1072	SvREFCNT_dec (coro->invoke_av);
977		1073	}
978	coro_destruct_stacks (aTHX);
979	}	1074	}
980		1075
981	INLINE void	1076	INLINE void
982	free_coro_mortal (pTHX)	1077	free_coro_mortal (pTHX)
983	{	1078	{
…		…
1180	/* somebody or something will hit me for both perl_run and PL_restartop */	1275	/* somebody or something will hit me for both perl_run and PL_restartop */
1181	PL_restartop = PL_op;	1276	PL_restartop = PL_op;
1182	perl_run (PL_curinterp);	1277	perl_run (PL_curinterp);
1183	/*	1278	/*
1184	* Unfortunately, there is no way to get at the return values of the	1279	* Unfortunately, there is no way to get at the return values of the
1185	* coro body here, as perl_run destroys these	1280	* coro body here, as perl_run destroys these. Likewise, we cannot catch
		1281	* runtime errors here, as this is just a random interpreter, not a thread.
1186	*/	1282	*/
1187		1283
1188	/*	1284	/*
1189	* If perl-run returns we assume exit() was being called or the coro	1285	* If perl-run returns we assume exit() was being called or the coro
1190	* fell off the end, which seems to be the only valid (non-bug)	1286	* fell off the end, which seems to be the only valid (non-bug)
…		…
1351	/* TODO: throwing up here is considered harmful */	1447	/* TODO: throwing up here is considered harmful */
1352		1448
1353	if (expect_true (prev != next))	1449	if (expect_true (prev != next))
1354	{	1450	{
1355	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1451	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1356	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1452	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1357		1453
1358	if (expect_false (next->flags & CF_RUNNING))
1359	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1360
1361	if (expect_false (next->flags & CF_DESTROYED))	1454	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1362	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1455	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1363		1456
1364	#if !PERL_VERSION_ATLEAST (5,10,0)	1457	#if !PERL_VERSION_ATLEAST (5,10,0)
1365	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1458	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1366	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1459	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1367	#endif	1460	#endif
…		…
1455	coro_state_destroy (pTHX_ struct coro *coro)	1548	coro_state_destroy (pTHX_ struct coro *coro)
1456	{	1549	{
1457	if (coro->flags & CF_DESTROYED)	1550	if (coro->flags & CF_DESTROYED)
1458	return 0;	1551	return 0;
1459		1552
1460	if (coro->on_destroy)	1553	if (coro->on_destroy && !PL_dirty)
1461	coro->on_destroy (aTHX_ coro);	1554	coro->on_destroy (aTHX_ coro);
1462		1555
1463	coro->flags \|= CF_DESTROYED;	1556	coro->flags \|= CF_DESTROYED;
1464		1557
1465	if (coro->flags & CF_READY)	1558	if (coro->flags & CF_READY)
…		…
1473		1566
1474	if (coro->mainstack	1567	if (coro->mainstack
1475	&& coro->mainstack != main_mainstack	1568	&& coro->mainstack != main_mainstack
1476	&& coro->slot	1569	&& coro->slot
1477	&& !PL_dirty)	1570	&& !PL_dirty)
1478	{
1479	struct coro temp;
1480
1481	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1482
1483	save_perl (aTHX_ &temp);
1484	load_perl (aTHX_ coro);
1485
1486	coro_destruct_perl (aTHX_ coro);	1571	coro_destruct_perl (aTHX_ coro);
1487
1488	load_perl (aTHX_ &temp);
1489
1490	coro->slot = 0;
1491	}
1492		1572
1493	cctx_destroy (coro->cctx);	1573	cctx_destroy (coro->cctx);
1494	SvREFCNT_dec (coro->startcv);	1574	SvREFCNT_dec (coro->startcv);
1495	SvREFCNT_dec (coro->args);	1575	SvREFCNT_dec (coro->args);
1496	SvREFCNT_dec (CORO_THROW);	1576	SvREFCNT_dec (CORO_THROW);
…		…
1555		1635
1556	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1636	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1557	TRANSFER (ta, 1);	1637	TRANSFER (ta, 1);
1558	}	1638	}
1559		1639
1560	/*****************************************************************************/
1561	/* gensub: simple closure generation utility */
1562
1563	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1564
1565	/* create a closure from XS, returns a code reference */
1566	/* the arg can be accessed via GENSUB_ARG from the callback */
1567	/* the callback must use dXSARGS/XSRETURN */
1568	static SV *
1569	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
1570	{
1571	CV cv = (CV )newSV (0);
1572
1573	sv_upgrade ((SV *)cv, SVt_PVCV);
1574
1575	CvANON_on (cv);
1576	CvISXSUB_on (cv);
1577	CvXSUB (cv) = xsub;
1578	GENSUB_ARG = arg;
1579
1580	return newRV_noinc ((SV *)cv);
1581	}
1582
1583	/ Coro ******************************************************************/	1640	/ Coro ******************************************************************/
1584		1641
1585	INLINE void	1642	INLINE void
1586	coro_enq (pTHX_ struct coro *coro)	1643	coro_enq (pTHX_ struct coro *coro)
1587	{	1644	{
1588	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1645	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1589	}
1590		1646
1591	INLINE SV *	1647	SvREFCNT_inc_NN (coro->hv);
		1648
		1649	coro->next_ready = 0;
		1650	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1651	ready [1] = coro;
		1652	}
		1653
		1654	INLINE struct coro *
1592	coro_deq (pTHX)	1655	coro_deq (pTHX)
1593	{	1656	{
1594	int prio;	1657	int prio;
1595		1658
1596	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1659	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1597	if (AvFILLp (coro_ready [prio]) >= 0)	1660	{
1598	return av_shift (coro_ready [prio]);	1661	struct coro **ready = coro_ready [prio];
		1662
		1663	if (ready [0])
		1664	{
		1665	struct coro *coro = ready [0];
		1666	ready [0] = coro->next_ready;
		1667	return coro;
		1668	}
		1669	}
1599		1670
1600	return 0;	1671	return 0;
		1672	}
		1673
		1674	static void
		1675	invoke_sv_ready_hook_helper (void)
		1676	{
		1677	dTHX;
		1678	dSP;
		1679
		1680	ENTER;
		1681	SAVETMPS;
		1682
		1683	PUSHMARK (SP);
		1684	PUTBACK;
		1685	call_sv (coro_readyhook, G_VOID \| G_DISCARD);
		1686
		1687	FREETMPS;
		1688	LEAVE;
1601	}	1689	}
1602		1690
1603	static int	1691	static int
1604	api_ready (pTHX_ SV *coro_sv)	1692	api_ready (pTHX_ SV *coro_sv)
1605	{	1693	{
1606	struct coro *coro;
1607	SV *sv_hook;
1608	void (*xs_hook)(void);
1609
1610	coro = SvSTATE (coro_sv);	1694	struct coro *coro = SvSTATE (coro_sv);
1611		1695
1612	if (coro->flags & CF_READY)	1696	if (coro->flags & CF_READY)
1613	return 0;	1697	return 0;
1614		1698
1615	coro->flags \|= CF_READY;	1699	coro->flags \|= CF_READY;
1616		1700
1617	sv_hook = coro_nready ? 0 : coro_readyhook;
1618	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1619
1620	coro_enq (aTHX_ coro);	1701	coro_enq (aTHX_ coro);
1621	++coro_nready;
1622		1702
1623	if (sv_hook)	1703	if (!coro_nready++)
1624	{	1704	if (coroapi.readyhook)
1625	dSP;	1705	coroapi.readyhook ();
1626
1627	ENTER;
1628	SAVETMPS;
1629
1630	PUSHMARK (SP);
1631	PUTBACK;
1632	call_sv (sv_hook, G_VOID \| G_DISCARD);
1633
1634	FREETMPS;
1635	LEAVE;
1636	}
1637
1638	if (xs_hook)
1639	xs_hook ();
1640		1706
1641	return 1;	1707	return 1;
1642	}	1708	}
1643		1709
1644	static int	1710	static int
…		…
1667	static void	1733	static void
1668	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1734	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1669	{	1735	{
1670	for (;;)	1736	for (;;)
1671	{	1737	{
1672	SV *next_sv = coro_deq (aTHX);	1738	struct coro *next = coro_deq (aTHX);
1673		1739
1674	if (expect_true (next_sv))	1740	if (expect_true (next))
1675	{	1741	{
1676	struct coro *next = SvSTATE_hv (next_sv);
1677
1678	/* cannot transfer to destroyed coros, skip and look for next */	1742	/* cannot transfer to destroyed coros, skip and look for next */
1679	if (expect_false (next->flags & CF_DESTROYED))	1743	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1680	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1744	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1681	else	1745	else
1682	{	1746	{
1683	next->flags &= ~CF_READY;	1747	next->flags &= ~CF_READY;
1684	--coro_nready;	1748	--coro_nready;
1685		1749
…		…
1863	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1927	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1864	api_ready (aTHX_ sv_manager);	1928	api_ready (aTHX_ sv_manager);
1865		1929
1866	frame->prepare = prepare_schedule;	1930	frame->prepare = prepare_schedule;
1867	frame->check = slf_check_repeat;	1931	frame->check = slf_check_repeat;
		1932
		1933	/* as a minor optimisation, we could unwind all stacks here */
		1934	/* but that puts extra pressure on pp_slf, and is not worth much */
		1935	/coro_unwind_stacks (aTHX);/
1868	}	1936	}
1869		1937
1870	/*****************************************************************************/	1938	/*****************************************************************************/
1871	/* async pool handler */	1939	/* async pool handler */
1872		1940
…		…
1950		2018
1951	static void	2019	static void
1952	coro_rouse_callback (pTHX_ CV *cv)	2020	coro_rouse_callback (pTHX_ CV *cv)
1953	{	2021	{
1954	dXSARGS;	2022	dXSARGS;
1955	SV data = (SV )GENSUB_ARG;	2023	SV data = (SV )S_GENSUB_ARG;
1956		2024
1957	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2025	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1958	{	2026	{
1959	/* first call, set args */	2027	/* first call, set args */
		2028	SV *coro = SvRV (data);
1960	AV *av = newAV ();	2029	AV *av = newAV ();
1961	SV *coro = SvRV (data);
1962		2030
1963	SvRV_set (data, (SV *)av);	2031	SvRV_set (data, (SV *)av);
1964	api_ready (aTHX_ coro);
1965	SvREFCNT_dec (coro);
1966		2032
1967	/* better take a full copy of the arguments */	2033	/* better take a full copy of the arguments */
1968	while (items--)	2034	while (items--)
1969	av_store (av, items, newSVsv (ST (items)));	2035	av_store (av, items, newSVsv (ST (items)));
		2036
		2037	api_ready (aTHX_ coro);
		2038	SvREFCNT_dec (coro);
1970	}	2039	}
1971		2040
1972	XSRETURN_EMPTY;	2041	XSRETURN_EMPTY;
1973	}	2042	}
1974		2043
…		…
1991		2060
1992	EXTEND (SP, AvFILLp (av) + 1);	2061	EXTEND (SP, AvFILLp (av) + 1);
1993	for (i = 0; i <= AvFILLp (av); ++i)	2062	for (i = 0; i <= AvFILLp (av); ++i)
1994	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2063	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1995		2064
1996	/* we have stolen the elements, so ste length to zero and free */	2065	/* we have stolen the elements, so set length to zero and free */
1997	AvFILLp (av) = -1;	2066	AvFILLp (av) = -1;
1998	av_undef (av);	2067	av_undef (av);
1999		2068
2000	PUTBACK;	2069	PUTBACK;
2001	}	2070	}
…		…
2025	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV	2094	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV
2026	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2095	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2027	croak ("Coro::rouse_wait called with illegal callback argument,");	2096	croak ("Coro::rouse_wait called with illegal callback argument,");
2028		2097
2029	{	2098	{
2030	CV cv = (CV )SvRV (cb); /* for GENSUB_ARG */	2099	CV cv = (CV )SvRV (cb); /* for S_GENSUB_ARG */
2031	SV data = (SV )GENSUB_ARG;	2100	SV data = (SV )S_GENSUB_ARG;
2032		2101
2033	frame->data = (void *)data;	2102	frame->data = (void *)data;
2034	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2103	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2035	frame->check = slf_check_rouse_wait;	2104	frame->check = slf_check_rouse_wait;
2036	}	2105	}
…		…
2040	coro_new_rouse_cb (pTHX)	2109	coro_new_rouse_cb (pTHX)
2041	{	2110	{
2042	HV hv = (HV )SvRV (coro_current);	2111	HV hv = (HV )SvRV (coro_current);
2043	struct coro *coro = SvSTATE_hv (hv);	2112	struct coro *coro = SvSTATE_hv (hv);
2044	SV data = newRV_inc ((SV )hv);	2113	SV data = newRV_inc ((SV )hv);
2045	SV cb = gensub (aTHX_ coro_rouse_callback, (void )data);	2114	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);
2046		2115
2047	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2116	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2048	SvREFCNT_dec (data); /* magicext increases the refcount */	2117	SvREFCNT_dec (data); /* magicext increases the refcount */
2049		2118
2050	SvREFCNT_dec (coro->rouse_cb);	2119	SvREFCNT_dec (coro->rouse_cb);
…		…
2291		2360
2292	PL_op->op_ppaddr = pp_slf;	2361	PL_op->op_ppaddr = pp_slf;
2293	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2362	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2294		2363
2295	PL_op = (OP *)&slf_restore;	2364	PL_op = (OP *)&slf_restore;
		2365	}
		2366
		2367	/*****************************************************************************/
		2368	/* dynamic wind */
		2369
		2370	static void
		2371	on_enterleave_call (pTHX_ SV *cb)
		2372	{
		2373	dSP;
		2374
		2375	PUSHSTACK;
		2376
		2377	PUSHMARK (SP);
		2378	PUTBACK;
		2379	call_sv (cb, G_VOID \| G_DISCARD);
		2380	SPAGAIN;
		2381
		2382	POPSTACK;
		2383	}
		2384
		2385	static SV *
		2386	coro_avp_pop_and_free (pTHX_ AV **avp)
		2387	{
		2388	AV av = avp;
		2389	SV *res = av_pop (av);
		2390
		2391	if (AvFILLp (av) < 0)
		2392	{
		2393	*avp = 0;
		2394	SvREFCNT_dec (av);
		2395	}
		2396
		2397	return res;
		2398	}
		2399
		2400	static void
		2401	coro_pop_on_enter (pTHX_ void *coro)
		2402	{
		2403	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2404	SvREFCNT_dec (cb);
		2405	}
		2406
		2407	static void
		2408	coro_pop_on_leave (pTHX_ void *coro)
		2409	{
		2410	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2411	on_enterleave_call (aTHX_ sv_2mortal (cb));
2296	}	2412	}
2297		2413
2298	/*****************************************************************************/	2414	/*****************************************************************************/
2299	/* PerlIO::cede */	2415	/* PerlIO::cede */
2300		2416
…		…
2374	/* Coro::Semaphore & Coro::Signal */	2490	/* Coro::Semaphore & Coro::Signal */
2375		2491
2376	static SV *	2492	static SV *
2377	coro_waitarray_new (pTHX_ int count)	2493	coro_waitarray_new (pTHX_ int count)
2378	{	2494	{
2379	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2495	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2380	AV *av = newAV ();	2496	AV *av = newAV ();
2381	SV **ary;	2497	SV **ary;
2382		2498
2383	/* unfortunately, building manually saves memory */	2499	/* unfortunately, building manually saves memory */
2384	Newx (ary, 2, SV *);	2500	Newx (ary, 2, SV *);
…		…
2526	{	2642	{
2527	if (items >= 2)	2643	if (items >= 2)
2528	{	2644	{
2529	/* callback form */	2645	/* callback form */
2530	AV av = (AV )SvRV (arg [0]);	2646	AV av = (AV )SvRV (arg [0]);
2531	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2647	SV *cb_cv = s_get_cv_croak (arg [1]);
2532		2648
2533	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2649	av_push (av, SvREFCNT_inc_NN (cb_cv));
2534		2650
2535	if (SvIVX (AvARRAY (av)[0]) > 0)	2651	if (SvIVX (AvARRAY (av)[0]) > 0)
2536	coro_semaphore_adjust (aTHX_ av, 0);	2652	coro_semaphore_adjust (aTHX_ av, 0);
2537		2653
2538	frame->prepare = prepare_nop;	2654	frame->prepare = prepare_nop;
…		…
2562	AvARRAY (av)[0] = AvARRAY (av)[1];	2678	AvARRAY (av)[0] = AvARRAY (av)[1];
2563	AvARRAY (av)[1] = cb;	2679	AvARRAY (av)[1] = cb;
2564		2680
2565	cb = av_shift (av);	2681	cb = av_shift (av);
2566		2682
		2683	if (SvTYPE (cb) == SVt_PVCV)
		2684	{
		2685	dSP;
		2686	PUSHMARK (SP);
		2687	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2688	PUTBACK;
		2689	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2690	}
		2691	else
		2692	{
2567	api_ready (aTHX_ cb);	2693	api_ready (aTHX_ cb);
2568	sv_setiv (cb, 0); /* signal waiter */	2694	sv_setiv (cb, 0); /* signal waiter */
		2695	}
		2696
2569	SvREFCNT_dec (cb);	2697	SvREFCNT_dec (cb);
2570		2698
2571	--count;	2699	--count;
2572	}	2700	}
2573	}	2701	}
…		…
2582	static void	2710	static void
2583	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2711	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2584	{	2712	{
2585	AV av = (AV )SvRV (arg [0]);	2713	AV av = (AV )SvRV (arg [0]);
2586		2714
		2715	if (items >= 2)
		2716	{
		2717	SV *cb_cv = s_get_cv_croak (arg [1]);
		2718	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2719
2587	if (SvIVX (AvARRAY (av)[0]))	2720	if (SvIVX (AvARRAY (av)[0]))
		2721	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2722
		2723	frame->prepare = prepare_nop;
		2724	frame->check = slf_check_nop;
		2725	}
		2726	else if (SvIVX (AvARRAY (av)[0]))
2588	{	2727	{
2589	SvIVX (AvARRAY (av)[0]) = 0;	2728	SvIVX (AvARRAY (av)[0]) = 0;
2590	frame->prepare = prepare_nop;	2729	frame->prepare = prepare_nop;
2591	frame->check = slf_check_nop;	2730	frame->check = slf_check_nop;
2592	}	2731	}
2593	else	2732	else
2594	{	2733	{
2595	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2734	SV waiter = newSVsv (coro_current); / owned by signal av */
2596		2735
2597	av_push (av, waiter);	2736	av_push (av, waiter);
2598		2737
2599	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2738	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2600	frame->prepare = prepare_schedule;	2739	frame->prepare = prepare_schedule;
…		…
2618		2757
2619	static void	2758	static void
2620	coro_aio_callback (pTHX_ CV *cv)	2759	coro_aio_callback (pTHX_ CV *cv)
2621	{	2760	{
2622	dXSARGS;	2761	dXSARGS;
2623	AV state = (AV )GENSUB_ARG;	2762	AV state = (AV )S_GENSUB_ARG;
2624	SV *coro = av_pop (state);	2763	SV *coro = av_pop (state);
2625	SV *data_sv = newSV (sizeof (struct io_state));	2764	SV *data_sv = newSV (sizeof (struct io_state));
2626		2765
2627	av_extend (state, items - 1);	2766	av_extend (state, items - 1);
2628		2767
…		…
2742		2881
2743	for (i = 0; i < items; ++i)	2882	for (i = 0; i < items; ++i)
2744	PUSHs (arg [i]);	2883	PUSHs (arg [i]);
2745		2884
2746	/* now push the callback closure */	2885	/* now push the callback closure */
2747	PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void )SvREFCNT_inc_NN ((SV )state))));	2886	PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void )SvREFCNT_inc_NN ((SV )state))));
2748		2887
2749	/* now call the AIO function - we assume our request is uncancelable */	2888	/* now call the AIO function - we assume our request is uncancelable */
2750	PUTBACK;	2889	PUTBACK;
2751	call_sv ((SV *)req, G_VOID \| G_DISCARD);	2890	call_sv ((SV *)req, G_VOID \| G_DISCARD);
2752	}	2891	}
…		…
2839		2978
2840	if (!svp) croak ("Time::HiRes is required");	2979	if (!svp) croak ("Time::HiRes is required");
2841	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	2980	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2842		2981
2843	nvtime = INT2PTR (double ()(), SvIV (svp));	2982	nvtime = INT2PTR (double ()(), SvIV (svp));
		2983
		2984	svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
		2985	u2time = INT2PTR (void ()(pTHX_ UV ret[2]), SvIV (svp));
2844	}	2986	}
2845		2987
2846	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2988	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2847	}	2989	}
2848		2990
2849	SV *	2991	SV *
2850	new (char *klass, ...)	2992	new (char *klass, ...)
2851	ALIAS:	2993	ALIAS:
…		…
2853	CODE:	2995	CODE:
2854	{	2996	{
2855	struct coro *coro;	2997	struct coro *coro;
2856	MAGIC *mg;	2998	MAGIC *mg;
2857	HV *hv;	2999	HV *hv;
2858	CV *cb;	3000	SV *cb;
2859	int i;	3001	int i;
2860		3002
2861	if (items > 1)	3003	if (items > 1)
2862	{	3004	{
2863	cb = coro_sv_2cv (aTHX_ ST (1));	3005	cb = s_get_cv_croak (ST (1));
2864		3006
2865	if (!ix)	3007	if (!ix)
2866	{	3008	{
2867	if (CvISXSUB (cb))	3009	if (CvISXSUB (cb))
2868	croak ("Coro::State doesn't support XS functions as coroutine start, caught");	3010	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
…		…
2890	av_extend (coro->args, items - 1 + ix - 1);	3032	av_extend (coro->args, items - 1 + ix - 1);
2891		3033
2892	if (ix)	3034	if (ix)
2893	{	3035	{
2894	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));	3036	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2895	cb = cv_coro_run;	3037	cb = (SV *)cv_coro_run;
2896	}	3038	}
2897		3039
2898	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);	3040	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);
2899		3041
2900	for (i = 2; i < items; i++)	3042	for (i = 2; i < items; i++)
…		…
2998	eval = 1	3140	eval = 1
2999	CODE:	3141	CODE:
3000	{	3142	{
3001	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3143	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
3002	{	3144	{
3003	struct coro temp;	3145	struct coro *current = SvSTATE_current;
3004		3146
3005	if (!(coro->flags & CF_RUNNING))	3147	if (current != coro)
3006	{	3148	{
3007	PUTBACK;	3149	PUTBACK;
3008	save_perl (aTHX_ &temp);	3150	save_perl (aTHX_ current);
3009	load_perl (aTHX_ coro);	3151	load_perl (aTHX_ coro);
		3152	SPAGAIN;
3010	}	3153	}
3011		3154
3012	{
3013	dSP;
3014	ENTER;
3015	SAVETMPS;
3016	PUTBACK;
3017	PUSHSTACK;	3155	PUSHSTACK;
		3156
3018	PUSHMARK (SP);	3157	PUSHMARK (SP);
		3158	PUTBACK;
3019		3159
3020	if (ix)	3160	if (ix)
3021	eval_sv (coderef, 0);	3161	eval_sv (coderef, 0);
3022	else	3162	else
3023	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3163	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
3024		3164
3025	POPSTACK;	3165	POPSTACK;
3026	SPAGAIN;	3166	SPAGAIN;
3027	FREETMPS;
3028	LEAVE;
3029	PUTBACK;
3030	}
3031		3167
3032	if (!(coro->flags & CF_RUNNING))	3168	if (current != coro)
3033	{	3169	{
		3170	PUTBACK;
3034	save_perl (aTHX_ coro);	3171	save_perl (aTHX_ coro);
3035	load_perl (aTHX_ &temp);	3172	load_perl (aTHX_ current);
3036	SPAGAIN;	3173	SPAGAIN;
3037	}	3174	}
3038	}	3175	}
3039	}	3176	}
3040		3177
…		…
3044	ALIAS:	3181	ALIAS:
3045	is_ready = CF_READY	3182	is_ready = CF_READY
3046	is_running = CF_RUNNING	3183	is_running = CF_RUNNING
3047	is_new = CF_NEW	3184	is_new = CF_NEW
3048	is_destroyed = CF_DESTROYED	3185	is_destroyed = CF_DESTROYED
		3186	is_suspended = CF_SUSPENDED
3049	CODE:	3187	CODE:
3050	RETVAL = boolSV (coro->flags & ix);	3188	RETVAL = boolSV (coro->flags & ix);
3051	OUTPUT:	3189	OUTPUT:
3052	RETVAL	3190	RETVAL
3053		3191
…		…
3057	CODE:	3195	CODE:
3058	{	3196	{
3059	struct coro *current = SvSTATE_current;	3197	struct coro *current = SvSTATE_current;
3060	SV **throwp = self == current ? &CORO_THROW : &self->except;	3198	SV **throwp = self == current ? &CORO_THROW : &self->except;
3061	SvREFCNT_dec (*throwp);	3199	SvREFCNT_dec (*throwp);
		3200	SvGETMAGIC (throw);
3062	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3201	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3063	}	3202	}
3064		3203
3065	void	3204	void
3066	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3205	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3118	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3257	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3119		3258
3120	SV tmp = src; src = dst; *dst = tmp;	3259	SV tmp = src; src = dst; *dst = tmp;
3121	}	3260	}
3122		3261
		3262	void
		3263	cancel (Coro::State self)
		3264	CODE:
		3265	coro_state_destroy (aTHX_ self);
		3266	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3267
		3268
		3269	SV *
		3270	enable_times (int enabled = enable_times)
		3271	CODE:
		3272	{
		3273	RETVAL = boolSV (enable_times);
		3274
		3275	if (enabled != enable_times)
		3276	{
		3277	enable_times = enabled;
		3278
		3279	coro_times_update ();
		3280	(enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
		3281	}
		3282	}
		3283	OUTPUT:
		3284	RETVAL
		3285
		3286	void
		3287	times (Coro::State self)
		3288	PPCODE:
		3289	{
		3290	struct coro *current = SvSTATE (coro_current);
		3291
		3292	if (expect_false (current == self))
		3293	{
		3294	coro_times_update ();
		3295	coro_times_add (SvSTATE (coro_current));
		3296	}
		3297
		3298	EXTEND (SP, 2);
		3299	PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
		3300	PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
		3301
		3302	if (expect_false (current == self))
		3303	coro_times_sub (SvSTATE (coro_current));
		3304	}
3123		3305
3124	MODULE = Coro::State PACKAGE = Coro	3306	MODULE = Coro::State PACKAGE = Coro
3125		3307
3126	BOOT:	3308	BOOT:
3127	{	3309	{
3128	int i;
3129
3130	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3310	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3131	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3311	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3132	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	3312	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3133	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3313	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3134	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3314	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
…		…
3142	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3322	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3143	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3323	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3144		3324
3145	coro_stash = gv_stashpv ("Coro", TRUE);	3325	coro_stash = gv_stashpv ("Coro", TRUE);
3146		3326
3147	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3327	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3148	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3328	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3149	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3329	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3150	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3330	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3151	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3331	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3152	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3332	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3153
3154	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3155	coro_ready[i] = newAV ();
3156		3333
3157	{	3334	{
3158	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3335	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3159		3336
3160	coroapi.schedule = api_schedule;	3337	coroapi.schedule = api_schedule;
…		…
3201	cede_notself (...)	3378	cede_notself (...)
3202	CODE:	3379	CODE:
3203	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3380	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3204		3381
3205	void	3382	void
3206	_cancel (Coro::State self)
3207	CODE:
3208	coro_state_destroy (aTHX_ self);
3209	coro_call_on_destroy (aTHX_ self);
3210
3211	void
3212	_set_current (SV *current)	3383	_set_current (SV *current)
3213	PROTOTYPE: $	3384	PROTOTYPE: $
3214	CODE:	3385	CODE:
3215	SvREFCNT_dec (SvRV (coro_current));	3386	SvREFCNT_dec (SvRV (coro_current));
3216	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3387	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3218	void	3389	void
3219	_set_readyhook (SV *hook)	3390	_set_readyhook (SV *hook)
3220	PROTOTYPE: $	3391	PROTOTYPE: $
3221	CODE:	3392	CODE:
3222	SvREFCNT_dec (coro_readyhook);	3393	SvREFCNT_dec (coro_readyhook);
		3394	SvGETMAGIC (hook);
		3395	if (SvOK (hook))
		3396	{
3223	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3397	coro_readyhook = newSVsv (hook);
		3398	CORO_READYHOOK = invoke_sv_ready_hook_helper;
		3399	}
		3400	else
		3401	{
		3402	coro_readyhook = 0;
		3403	CORO_READYHOOK = 0;
		3404	}
3224		3405
3225	int	3406	int
3226	prio (Coro::State coro, int newprio = 0)	3407	prio (Coro::State coro, int newprio = 0)
3227	PROTOTYPE: $;$	3408	PROTOTYPE: $;$
3228	ALIAS:	3409	ALIAS:
…		…
3234	if (items > 1)	3415	if (items > 1)
3235	{	3416	{
3236	if (ix)	3417	if (ix)
3237	newprio = coro->prio - newprio;	3418	newprio = coro->prio - newprio;
3238		3419
3239	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3420	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3240	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3421	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3241		3422
3242	coro->prio = newprio;	3423	coro->prio = newprio;
3243	}	3424	}
3244	}	3425	}
3245	OUTPUT:	3426	OUTPUT:
…		…
3258	PROTOTYPE:	3439	PROTOTYPE:
3259	CODE:	3440	CODE:
3260	RETVAL = coro_nready;	3441	RETVAL = coro_nready;
3261	OUTPUT:	3442	OUTPUT:
3262	RETVAL	3443	RETVAL
		3444
		3445	void
		3446	suspend (Coro::State self)
		3447	PROTOTYPE: $
		3448	CODE:
		3449	self->flags \|= CF_SUSPENDED;
		3450
		3451	void
		3452	resume (Coro::State self)
		3453	PROTOTYPE: $
		3454	CODE:
		3455	self->flags &= ~CF_SUSPENDED;
3263		3456
3264	void	3457	void
3265	_pool_handler (...)	3458	_pool_handler (...)
3266	CODE:	3459	CODE:
3267	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3460	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3322	rouse_wait (...)	3515	rouse_wait (...)
3323	PROTOTYPE: ;$	3516	PROTOTYPE: ;$
3324	PPCODE:	3517	PPCODE:
3325	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3518	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3326		3519
		3520	void
		3521	on_enter (SV *block)
		3522	ALIAS:
		3523	on_leave = 1
		3524	PROTOTYPE: &
		3525	CODE:
		3526	{
		3527	struct coro *coro = SvSTATE_current;
		3528	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3529
		3530	block = s_get_cv_croak (block);
		3531
		3532	if (!*avp)
		3533	*avp = newAV ();
		3534
		3535	av_push (*avp, SvREFCNT_inc (block));
		3536
		3537	if (!ix)
		3538	on_enterleave_call (aTHX_ block);
		3539
		3540	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3541	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3542	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3543	}
		3544
3327		3545
3328	MODULE = Coro::State PACKAGE = PerlIO::cede	3546	MODULE = Coro::State PACKAGE = PerlIO::cede
3329		3547
3330	BOOT:	3548	BOOT:
3331	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3549	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3334	MODULE = Coro::State PACKAGE = Coro::Semaphore	3552	MODULE = Coro::State PACKAGE = Coro::Semaphore
3335		3553
3336	SV *	3554	SV *
3337	new (SV klass, SV count = 0)	3555	new (SV klass, SV count = 0)
3338	CODE:	3556	CODE:
		3557	{
		3558	int semcnt = 1;
		3559
		3560	if (count)
		3561	{
		3562	SvGETMAGIC (count);
		3563
		3564	if (SvOK (count))
		3565	semcnt = SvIV (count);
		3566	}
		3567
3339	RETVAL = sv_bless (	3568	RETVAL = sv_bless (
3340	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3569	coro_waitarray_new (aTHX_ semcnt),
3341	GvSTASH (CvGV (cv))	3570	GvSTASH (CvGV (cv))
3342	);	3571	);
		3572	}
3343	OUTPUT:	3573	OUTPUT:
3344	RETVAL	3574	RETVAL
3345		3575
3346	# helper for Coro::Channel	3576	# helper for Coro::Channel and others
3347	SV *	3577	SV *
3348	_alloc (int count)	3578	_alloc (int count)
3349	CODE:	3579	CODE:
3350	RETVAL = coro_waitarray_new (aTHX_ count);	3580	RETVAL = coro_waitarray_new (aTHX_ count);
3351	OUTPUT:	3581	OUTPUT:
…		…
3409	for (i = 1; i <= wcount; ++i)	3639	for (i = 1; i <= wcount; ++i)
3410	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3640	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3411	}	3641	}
3412	}	3642	}
3413		3643
		3644	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3645
		3646	void
		3647	_may_delete (SV *sem, int count, int extra_refs)
		3648	PPCODE:
		3649	{
		3650	AV av = (AV )SvRV (sem);
		3651
		3652	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3653	&& AvFILLp (av) == 0 /* no waiters, just count */
		3654	&& SvIV (AvARRAY (av)[0]) == count)
		3655	XSRETURN_YES;
		3656
		3657	XSRETURN_NO;
		3658	}
		3659
3414	MODULE = Coro::State PACKAGE = Coro::Signal	3660	MODULE = Coro::State PACKAGE = Coro::Signal
3415		3661
3416	SV *	3662	SV *
3417	new (SV *klass)	3663	new (SV *klass)
3418	CODE:	3664	CODE:
…		…
3489		3735
3490	void	3736	void
3491	_register (char target, char proto, SV *req)	3737	_register (char target, char proto, SV *req)
3492	CODE:	3738	CODE:
3493	{	3739	{
3494	CV *req_cv = coro_sv_2cv (aTHX_ req);	3740	SV *req_cv = s_get_cv_croak (req);
3495	/* newXSproto doesn't return the CV on 5.8 */	3741	/* newXSproto doesn't return the CV on 5.8 */
3496	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3742	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3497	sv_setpv ((SV *)slf_cv, proto);	3743	sv_setpv ((SV *)slf_cv, proto);
3498	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3744	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3499	}	3745	}
3500		3746
		3747	MODULE = Coro::State PACKAGE = Coro::Select
		3748
		3749	void
		3750	patch_pp_sselect ()
		3751	CODE:
		3752	if (!coro_old_pp_sselect)
		3753	{
		3754	coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
		3755	coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
		3756	PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
		3757	}
		3758
		3759	void
		3760	unpatch_pp_sselect ()
		3761	CODE:
		3762	if (coro_old_pp_sselect)
		3763	{
		3764	PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
		3765	coro_old_pp_sselect = 0;
		3766	}
		3767
		3768

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Comparing Coro/Coro/State.xs (file contents): Revision 1.336 by root, Thu Dec 4 17:29:40 2008 UTC vs. Revision 1.367 by root, Mon Aug 3 09:19:57 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.336 by root, Thu Dec 4 17:29:40 2008 UTC vs.
Revision 1.367 by root, Mon Aug 3 09:19:57 2009 UTC