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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.347 by root, Wed Jun 10 00:00:02 2009 UTC vs.
Revision 1.383 by root, Sun Feb 13 04:39:16 2011 UTC

…		…
		1	/* this works around a bug in mingw32 providing a non-working setjmp */
		2	#define USE_NO_MINGW_SETJMP_TWO_ARGS
		3
		4	#define NDEBUG 1
		5
1	#include "libcoro/coro.c"	6	#include "libcoro/coro.c"
2		7
3	#define PERL_NO_GET_CONTEXT	8	#define PERL_NO_GET_CONTEXT
4	#define PERL_EXT	9	#define PERL_EXT
5		10
6	#include "EXTERN.h"	11	#include "EXTERN.h"
7	#include "perl.h"	12	#include "perl.h"
8	#include "XSUB.h"	13	#include "XSUB.h"
9	#include "perliol.h"	14	#include "perliol.h"
10		15
11	#include "patchlevel.h"	16	#include "schmorp.h"
12		17
13	#include <stdio.h>	18	#include <stdio.h>
14	#include <errno.h>	19	#include <errno.h>
15	#include <assert.h>	20	#include <assert.h>
		21
		22	#ifndef SVs_PADSTALE
		23	# define SVs_PADSTALE 0
		24	#endif
16		25
17	#ifdef WIN32	26	#ifdef WIN32
18	# undef setjmp	27	# undef setjmp
19	# undef longjmp	28	# undef longjmp
20	# undef _exit	29	# undef _exit
51	#endif	60	#endif
52		61
53	/* the maximum number of idle cctx that will be pooled */	62	/* the maximum number of idle cctx that will be pooled */
54	static int cctx_max_idle = 4;	63	static int cctx_max_idle = 4;
55		64
56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \
58	\|\| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \
60	\|\| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr
65	# endif
66	# ifndef call_sv
67	# define call_sv perl_call_sv
68	# endif
69	# ifndef get_sv
70	# define get_sv perl_get_sv
71	# endif
72	# ifndef get_cv
73	# define get_cv perl_get_cv
74	# endif
75	# ifndef IS_PADGV
76	# define IS_PADGV(v) 0
77	# endif
78	# ifndef IS_PADCONST
79	# define IS_PADCONST(v) 0
80	# endif
81	#endif
82
83	/* 5.11 */
84	#ifndef CxHASARGS
85	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86	#endif
87
88	/* 5.10.0 */
89	#ifndef SvREFCNT_inc_NN
90	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91	#endif
92
93	/* 5.8.8 */
94	#ifndef GV_NOTQUAL
95	# define GV_NOTQUAL 0
96	#endif
97	#ifndef newSV
98	# define newSV(l) NEWSV(0,l)
99	#endif
100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv
102	#endif
103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif
106	#ifndef Newx
107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108	#endif
109
110	/* 5.8.7 */
111	#ifndef SvRV_set
112	# define SvRV_set(s,v) SvRV(s) = (v)
113	#endif
114
115	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	65	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116	# undef CORO_STACKGUARD	66	# undef CORO_STACKGUARD
117	#endif	67	#endif
118		68
119	#ifndef CORO_STACKGUARD	69	#ifndef CORO_STACKGUARD
…		…
137		87
138	#define IN_DESTRUCT PL_dirty	88	#define IN_DESTRUCT PL_dirty
139		89
140	#if __GNUC__ >= 3	90	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	91	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	92	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	93	# define INLINE static inline
144	#else	94	#else
145	# define attribute(x)	95	# define attribute(x)
146	# define expect(expr,value) (expr)	96	# define expect(expr,value) (expr)
147	# define INLINE static	97	# define INLINE static
…		…
159	# if CORO_PTHREAD	109	# if CORO_PTHREAD
160	static void *coro_thx;	110	static void *coro_thx;
161	# endif	111	# endif
162	#endif	112	#endif
163		113
		114	#ifdef __linux
		115	# include <time.h> /* for timespec */
		116	# include <syscall.h> /* for SYS_* */
		117	# ifdef SYS_clock_gettime
		118	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		119	# define CORO_CLOCK_MONOTONIC 1
		120	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
		121	# endif
		122	#endif
		123
164	static double (nvtime)(); / so why doesn't it take void? */	124	static double (nvtime)(); / so why doesn't it take void? */
		125	static void (*u2time)(pTHX_ UV ret[2]);
165		126
166	/* we hijack an hopefully unused CV flag for our purposes */	127	/* we hijack an hopefully unused CV flag for our purposes */
167	#define CVf_SLF 0x4000	128	#define CVf_SLF 0x4000
168	static OP *pp_slf (pTHX);	129	static OP *pp_slf (pTHX);
169		130
…		…
190	static SV *sv_pool_size;	151	static SV *sv_pool_size;
191	static SV sv_async_pool_idle; / description string */	152	static SV sv_async_pool_idle; / description string */
192	static AV av_async_pool; / idle pool */	153	static AV av_async_pool; / idle pool */
193	static SV sv_Coro; / class string */	154	static SV sv_Coro; / class string */
194	static CV *cv_pool_handler;	155	static CV *cv_pool_handler;
195	static CV *cv_coro_state_new;
196		156
197	/* Coro::AnyEvent */	157	/* Coro::AnyEvent */
198	static SV *sv_activity;	158	static SV *sv_activity;
		159
		160	/* enable processtime/realtime profiling */
		161	static char enable_times;
		162	typedef U32 coro_ts[2];
		163	static coro_ts time_real, time_cpu;
		164	static char times_valid;
199		165
200	static struct coro_cctx *cctx_first;	166	static struct coro_cctx *cctx_first;
201	static int cctx_count, cctx_idle;	167	static int cctx_count, cctx_idle;
202		168
203	enum {	169	enum {
…		…
293		259
294	/* on_enter/on_leave */	260	/* on_enter/on_leave */
295	AV *on_enter;	261	AV *on_enter;
296	AV *on_leave;	262	AV *on_leave;
297		263
		264	/* swap_sv */
		265	AV *swap_sv;
		266
		267	/* times */
		268	coro_ts t_cpu, t_real;
		269
298	/* linked list */	270	/* linked list */
299	struct coro next, prev;	271	struct coro next, prev;
300	};	272	};
301		273
302	typedef struct coro *Coro__State;	274	typedef struct coro *Coro__State;
…		…
307	/* the mainr easonw e don't support windows process emulation */	279	/* the mainr easonw e don't support windows process emulation */
308	static struct CoroSLF slf_frame; /* the current slf frame */	280	static struct CoroSLF slf_frame; /* the current slf frame */
309		281
310	/ Coro ******************************************************************/	282	/ Coro ******************************************************************/
311		283
312	#define PRIO_MAX 3	284	#define CORO_PRIO_MAX 3
313	#define PRIO_HIGH 1	285	#define CORO_PRIO_HIGH 1
314	#define PRIO_NORMAL 0	286	#define CORO_PRIO_NORMAL 0
315	#define PRIO_LOW -1	287	#define CORO_PRIO_LOW -1
316	#define PRIO_IDLE -3	288	#define CORO_PRIO_IDLE -3
317	#define PRIO_MIN -4	289	#define CORO_PRIO_MIN -4
318		290
319	/* for Coro.pm */	291	/* for Coro.pm */
320	static SV *coro_current;	292	static SV *coro_current;
321	static SV *coro_readyhook;	293	static SV *coro_readyhook;
322	static struct coro coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; / head\|tail */	294	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
323	static CV cv_coro_run, cv_coro_terminate;	295	static CV cv_coro_run, cv_coro_terminate;
324	static struct coro *coro_first;	296	static struct coro *coro_first;
325	#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	}
326		318
327	/ lowlevel stuff ********************************************************/	319	/ lowlevel stuff ********************************************************/
328		320
329	static SV *	321	static SV *
330	coro_get_sv (pTHX_ const char *name, int create)	322	coro_get_sv (pTHX_ const char *name, int create)
…		…
354	get_hv (name, create);	346	get_hv (name, create);
355	#endif	347	#endif
356	return get_hv (name, create);	348	return get_hv (name, create);
357	}	349	}
358		350
359	/* may croak */	351	INLINE void
360	INLINE CV *	352	coro_times_update ()
361	coro_sv_2cv (pTHX_ SV *sv)
362	{	353	{
363	HV *st;	354	#ifdef coro_clock_gettime
364	GV *gvp;	355	struct timespec ts;
365	CV *cv = sv_2cv (sv, &st, &gvp, 0);
366		356
367	if (!cv)	357	ts.tv_sec = ts.tv_nsec = 0;
368	croak ("code reference expected");	358	coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
		359	time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
369		360
370	return cv;	361	ts.tv_sec = ts.tv_nsec = 0;
		362	coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
		363	time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
		364	#else
		365	dTHX;
		366	UV tv[2];
		367
		368	u2time (aTHX_ tv);
		369	time_real [0] = tv [0];
		370	time_real [1] = tv [1] * 1000;
		371	#endif
		372	}
		373
		374	INLINE void
		375	coro_times_add (struct coro *c)
		376	{
		377	c->t_real [1] += time_real [1];
		378	if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
		379	c->t_real [0] += time_real [0];
		380
		381	c->t_cpu [1] += time_cpu [1];
		382	if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
		383	c->t_cpu [0] += time_cpu [0];
		384	}
		385
		386	INLINE void
		387	coro_times_sub (struct coro *c)
		388	{
		389	if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
		390	c->t_real [1] -= time_real [1];
		391	c->t_real [0] -= time_real [0];
		392
		393	if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
		394	c->t_cpu [1] -= time_cpu [1];
		395	c->t_cpu [0] -= time_cpu [0];
371	}	396	}
372		397
373	/*****************************************************************************/	398	/*****************************************************************************/
374	/* magic glue */	399	/* magic glue */
375		400
…		…
475	static int	500	static int
476	coro_cv_free (pTHX_ SV sv, MAGIC mg)	501	coro_cv_free (pTHX_ SV sv, MAGIC mg)
477	{	502	{
478	AV *padlist;	503	AV *padlist;
479	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;
480		509
481	/* casting is fun. */	510	/* casting is fun. */
482	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	511	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
483	free_padlist (aTHX_ padlist);	512	free_padlist (aTHX_ padlist);
484		513
…		…
533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	562	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
534	}	563	}
535		564
536	/ load & save, init *****************************************************/	565	/ load & save, init *****************************************************/
537		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
538	static void	618	static void
539	on_enterleave_call (pTHX_ SV *cb);	619	on_enterleave_call (pTHX_ SV *cb);
540		620
541	static void	621	static void
542	load_perl (pTHX_ Coro__State c)	622	load_perl (pTHX_ Coro__State c)
…		…
573	}	653	}
574		654
575	slf_frame = c->slf_frame;	655	slf_frame = c->slf_frame;
576	CORO_THROW = c->except;	656	CORO_THROW = c->except;
577		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
578	if (expect_false (c->on_enter))	666	if (expect_false (c->on_enter))
579	{	667	{
580	int i;	668	int i;
581		669
582	for (i = 0; i <= AvFILLp (c->on_enter); ++i)	670	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
583	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);	671	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
584	}	672	}
		673
		674	SWAP_SVS (c);
585	}	675	}
586		676
587	static void	677	static void
588	save_perl (pTHX_ Coro__State c)	678	save_perl (pTHX_ Coro__State c)
589	{	679	{
		680	SWAP_SVS (c);
		681
590	if (expect_false (c->on_leave))	682	if (expect_false (c->on_leave))
591	{	683	{
592	int i;	684	int i;
593		685
594	for (i = AvFILLp (c->on_leave); i >= 0; --i)	686	for (i = AvFILLp (c->on_leave); i >= 0; --i)
595	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);	687	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		688	}
		689
		690	times_valid = 0;
		691
		692	if (expect_false (enable_times))
		693	{
		694	coro_times_update (); times_valid = 1;
		695	coro_times_add (c);
596	}	696	}
597		697
598	c->except = CORO_THROW;	698	c->except = CORO_THROW;
599	c->slf_frame = slf_frame;	699	c->slf_frame = slf_frame;
600		700
…		…
615	{	715	{
616	while (expect_true (cxix >= 0))	716	while (expect_true (cxix >= 0))
617	{	717	{
618	PERL_CONTEXT *cx = &ccstk[cxix--];	718	PERL_CONTEXT *cx = &ccstk[cxix--];
619		719
620	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))
621	{	721	{
622	CV *cv = cx->blk_sub.cv;	722	CV *cv = cx->blk_sub.cv;
623		723
624	if (expect_true (CvDEPTH (cv)))	724	if (expect_true (CvDEPTH (cv)))
625	{	725	{
…		…
649	/* we manually unroll here, as usually 2 slots is enough */	749	/* we manually unroll here, as usually 2 slots is enough */
650	if (SLOT_COUNT >= 1) CXINC;	750	if (SLOT_COUNT >= 1) CXINC;
651	if (SLOT_COUNT >= 2) CXINC;	751	if (SLOT_COUNT >= 2) CXINC;
652	if (SLOT_COUNT >= 3) CXINC;	752	if (SLOT_COUNT >= 3) CXINC;
653	{	753	{
654	int i;	754	unsigned int i;
655	for (i = 3; i < SLOT_COUNT; ++i)	755	for (i = 3; i < SLOT_COUNT; ++i)
656	CXINC;	756	CXINC;
657	}	757	}
658	cxstack_ix -= SLOT_COUNT; /* undo allocation */	758	cxstack_ix -= SLOT_COUNT; /* undo allocation */
659		759
…		…
893	slf_check_repeat (pTHX_ struct CoroSLF *frame)	993	slf_check_repeat (pTHX_ struct CoroSLF *frame)
894	{	994	{
895	return 1;	995	return 1;
896	}	996	}
897		997
898	static UNOP coro_setup_op;	998	static UNOP init_perl_op;
899		999
900	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 */
901	coro_setup (pTHX_ struct coro *coro)	1001	init_perl (pTHX_ struct coro *coro)
902	{	1002	{
903	/*	1003	/*
904	* emulate part of the perl startup here.	1004	* emulate part of the perl startup here.
905	*/	1005	*/
906	coro_init_stacks (aTHX);	1006	coro_init_stacks (aTHX);
…		…
913	PL_comppad_name_fill = 0;	1013	PL_comppad_name_fill = 0;
914	PL_comppad_name_floor = 0;	1014	PL_comppad_name_floor = 0;
915	PL_curpm = 0;	1015	PL_curpm = 0;
916	PL_curpad = 0;	1016	PL_curpad = 0;
917	PL_localizing = 0;	1017	PL_localizing = 0;
918	PL_dirty = 0;
919	PL_restartop = 0;	1018	PL_restartop = 0;
920	#if PERL_VERSION_ATLEAST (5,10,0)	1019	#if PERL_VERSION_ATLEAST (5,10,0)
921	PL_parser = 0;	1020	PL_parser = 0;
922	#endif	1021	#endif
923	PL_hints = 0;	1022	PL_hints = 0;
…		…
955	*/	1054	*/
956	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 */
957	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 */
958		1057
959	/* 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 */
960	coro_setup_op.op_next = PL_op;	1059	init_perl_op.op_next = PL_op;
961	coro_setup_op.op_type = OP_ENTERSUB;	1060	init_perl_op.op_type = OP_ENTERSUB;
962	coro_setup_op.op_ppaddr = pp_slf;	1061	init_perl_op.op_ppaddr = pp_slf;
963	/* 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 */
964		1063
965	PL_op = (OP *)&coro_setup_op;	1064	PL_op = (OP *)&init_perl_op;
966		1065
967	/* copy throw, in case it was set before coro_setup */	1066	/* copy throw, in case it was set before init_perl */
968	CORO_THROW = coro->except;	1067	CORO_THROW = coro->except;
		1068
		1069	SWAP_SVS (coro);
		1070
		1071	if (expect_false (enable_times))
		1072	{
		1073	coro_times_update ();
		1074	coro_times_sub (coro);
		1075	}
969	}	1076	}
970		1077
971	static void	1078	static void
972	coro_unwind_stacks (pTHX)	1079	coro_unwind_stacks (pTHX)
973	{	1080	{
…		…
988	dounwind (-1);	1095	dounwind (-1);
989	}	1096	}
990	}	1097	}
991		1098
992	static void	1099	static void
993	coro_destruct_perl (pTHX_ struct coro *coro)	1100	destroy_perl (pTHX_ struct coro *coro)
994	{	1101	{
		1102	SV *svf [9];
		1103
		1104	{
		1105	struct coro *current = SvSTATE_current;
		1106
		1107	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1108
		1109	save_perl (aTHX_ current);
		1110	load_perl (aTHX_ coro);
		1111
995	coro_unwind_stacks (aTHX);	1112	coro_unwind_stacks (aTHX);
		1113	coro_destruct_stacks (aTHX);
996		1114
997	SvREFCNT_dec (GvSV (PL_defgv));	1115	/* restore swapped sv's */
998	SvREFCNT_dec (GvAV (PL_defgv));	1116	SWAP_SVS (coro);
999	SvREFCNT_dec (GvSV (PL_errgv));
1000	SvREFCNT_dec (PL_defoutgv);
1001	SvREFCNT_dec (PL_rs);
1002	SvREFCNT_dec (GvSV (irsgv));
1003	SvREFCNT_dec (GvHV (PL_hintgv));
1004		1117
1005	SvREFCNT_dec (PL_diehook);	1118	// now save some sv's to be free'd later
1006	SvREFCNT_dec (PL_warnhook);	1119	svf [0] = GvSV (PL_defgv);
		1120	svf [1] = (SV *)GvAV (PL_defgv);
		1121	svf [2] = GvSV (PL_errgv);
		1122	svf [3] = (SV *)PL_defoutgv;
		1123	svf [4] = PL_rs;
		1124	svf [5] = GvSV (irsgv);
		1125	svf [6] = (SV *)GvHV (PL_hintgv);
		1126	svf [7] = PL_diehook;
		1127	svf [8] = PL_warnhook;
		1128	assert (9 == sizeof (svf) / sizeof (*svf));
		1129
		1130	load_perl (aTHX_ current);
1007		1131	}
		1132
		1133	{
		1134	unsigned int i;
		1135
		1136	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1137	SvREFCNT_dec (svf [i]);
		1138
1008	SvREFCNT_dec (coro->saved_deffh);	1139	SvREFCNT_dec (coro->saved_deffh);
1009	SvREFCNT_dec (coro->rouse_cb);	1140	SvREFCNT_dec (coro->rouse_cb);
1010	SvREFCNT_dec (coro->invoke_cb);	1141	SvREFCNT_dec (coro->invoke_cb);
1011	SvREFCNT_dec (coro->invoke_av);	1142	SvREFCNT_dec (coro->invoke_av);
1012		1143	}
1013	coro_destruct_stacks (aTHX);
1014	}	1144	}
1015		1145
1016	INLINE void	1146	INLINE void
1017	free_coro_mortal (pTHX)	1147	free_coro_mortal (pTHX)
1018	{	1148	{
…		…
1215	/* 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 */
1216	PL_restartop = PL_op;	1346	PL_restartop = PL_op;
1217	perl_run (PL_curinterp);	1347	perl_run (PL_curinterp);
1218	/*	1348	/*
1219	* 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
1220	* 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.
1221	*/	1352	*/
1222		1353
1223	/*	1354	/*
1224	* 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
1225	* 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)
…		…
1432	if (expect_false (next->flags & CF_NEW))	1563	if (expect_false (next->flags & CF_NEW))
1433	{	1564	{
1434	/* need to start coroutine */	1565	/* need to start coroutine */
1435	next->flags &= ~CF_NEW;	1566	next->flags &= ~CF_NEW;
1436	/* setup coroutine call */	1567	/* setup coroutine call */
1437	coro_setup (aTHX_ next);	1568	init_perl (aTHX_ next);
1438	}	1569	}
1439	else	1570	else
1440	load_perl (aTHX_ next);	1571	load_perl (aTHX_ next);
1441		1572
1442	/* possibly untie and reuse the cctx */	1573	/* possibly untie and reuse the cctx */
…		…
1505		1636
1506	if (coro->mainstack	1637	if (coro->mainstack
1507	&& coro->mainstack != main_mainstack	1638	&& coro->mainstack != main_mainstack
1508	&& coro->slot	1639	&& coro->slot
1509	&& !PL_dirty)	1640	&& !PL_dirty)
1510	{
1511	struct coro *current = SvSTATE_current;
1512
1513	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1514
1515	save_perl (aTHX_ current);
1516	load_perl (aTHX_ coro);
1517
1518	coro_destruct_perl (aTHX_ coro);	1641	destroy_perl (aTHX_ coro);
1519		1642
1520	load_perl (aTHX_ current);	1643	if (coro->next) coro->next->prev = coro->prev;
1521		1644	if (coro->prev) coro->prev->next = coro->next;
1522	coro->slot = 0;	1645	if (coro == coro_first) coro_first = coro->next;
1523	}
1524		1646
1525	cctx_destroy (coro->cctx);	1647	cctx_destroy (coro->cctx);
1526	SvREFCNT_dec (coro->startcv);	1648	SvREFCNT_dec (coro->startcv);
1527	SvREFCNT_dec (coro->args);	1649	SvREFCNT_dec (coro->args);
		1650	SvREFCNT_dec (coro->swap_sv);
1528	SvREFCNT_dec (CORO_THROW);	1651	SvREFCNT_dec (CORO_THROW);
1529
1530	if (coro->next) coro->next->prev = coro->prev;
1531	if (coro->prev) coro->prev->next = coro->next;
1532	if (coro == coro_first) coro_first = coro->next;
1533		1652
1534	return 1;	1653	return 1;
1535	}	1654	}
1536		1655
1537	static int	1656	static int
…		…
1587		1706
1588	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1707	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1589	TRANSFER (ta, 1);	1708	TRANSFER (ta, 1);
1590	}	1709	}
1591		1710
1592	/*****************************************************************************/
1593	/* gensub: simple closure generation utility */
1594
1595	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1596
1597	/* create a closure from XS, returns a code reference */
1598	/* the arg can be accessed via GENSUB_ARG from the callback */
1599	/* the callback must use dXSARGS/XSRETURN */
1600	static SV *
1601	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
1602	{
1603	CV cv = (CV )newSV (0);
1604
1605	sv_upgrade ((SV *)cv, SVt_PVCV);
1606
1607	CvANON_on (cv);
1608	CvISXSUB_on (cv);
1609	CvXSUB (cv) = xsub;
1610	GENSUB_ARG = arg;
1611
1612	return newRV_noinc ((SV *)cv);
1613	}
1614
1615	/ Coro ******************************************************************/	1711	/ Coro ******************************************************************/
1616		1712
1617	INLINE void	1713	INLINE void
1618	coro_enq (pTHX_ struct coro *coro)	1714	coro_enq (pTHX_ struct coro *coro)
1619	{	1715	{
1620	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];	1716	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1621		1717
1622	SvREFCNT_inc_NN (coro->hv);	1718	SvREFCNT_inc_NN (coro->hv);
1623		1719
1624	coro->next_ready = 0;	1720	coro->next_ready = 0;
1625	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;	1721	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
…		…
1629	INLINE struct coro *	1725	INLINE struct coro *
1630	coro_deq (pTHX)	1726	coro_deq (pTHX)
1631	{	1727	{
1632	int prio;	1728	int prio;
1633		1729
1634	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1730	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1635	{	1731	{
1636	struct coro **ready = coro_ready [prio];	1732	struct coro **ready = coro_ready [prio];
1637		1733
1638	if (ready [0])	1734	if (ready [0])
1639	{	1735	{
1640	struct coro *coro = ready [0];	1736	struct coro *coro = ready [0];
1641	ready [0] = coro->next_ready;	1737	ready [0] = coro->next_ready;
1642	return coro;	1738	return coro;
1643	}	1739	}
1644	}	1740	}
		1741
		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;
1645	}	1760	}
1646		1761
1647	static int	1762	static int
1648	api_ready (pTHX_ SV *coro_sv)	1763	api_ready (pTHX_ SV *coro_sv)
1649	{	1764	{
1650	struct coro *coro;
1651	SV *sv_hook;
1652	void (*xs_hook)(void);
1653
1654	coro = SvSTATE (coro_sv);	1765	struct coro *coro = SvSTATE (coro_sv);
1655		1766
1656	if (coro->flags & CF_READY)	1767	if (coro->flags & CF_READY)
1657	return 0;	1768	return 0;
1658		1769
1659	coro->flags \|= CF_READY;	1770	coro->flags \|= CF_READY;
1660		1771
1661	sv_hook = coro_nready ? 0 : coro_readyhook;
1662	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1663
1664	coro_enq (aTHX_ coro);	1772	coro_enq (aTHX_ coro);
1665	++coro_nready;
1666		1773
1667	if (sv_hook)	1774	if (!coro_nready++)
1668	{	1775	if (coroapi.readyhook)
1669	dSP;	1776	coroapi.readyhook ();
1670
1671	ENTER;
1672	SAVETMPS;
1673
1674	PUSHMARK (SP);
1675	PUTBACK;
1676	call_sv (sv_hook, G_VOID \| G_DISCARD);
1677
1678	FREETMPS;
1679	LEAVE;
1680	}
1681
1682	if (xs_hook)
1683	xs_hook ();
1684		1777
1685	return 1;	1778	return 1;
1686	}	1779	}
1687		1780
1688	static int	1781	static int
…		…
1733	{	1826	{
1734	/* nothing to schedule: call the idle handler */	1827	/* nothing to schedule: call the idle handler */
1735	if (SvROK (sv_idle)	1828	if (SvROK (sv_idle)
1736	&& SvOBJECT (SvRV (sv_idle)))	1829	&& SvOBJECT (SvRV (sv_idle)))
1737	{	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
1738	++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 */
1739	api_ready (aTHX_ SvRV (sv_idle));	1835	api_ready (aTHX_ SvRV (sv_idle));
1740	--coro_nready;	1836	--coro_nready;
1741	}	1837	}
1742	else	1838	else
1743	{	1839	{
		1840	/* TODO: deprecated, remove, cannot work reliably //D*/
1744	dSP;	1841	dSP;
1745		1842
1746	ENTER;	1843	ENTER;
1747	SAVETMPS;	1844	SAVETMPS;
1748		1845
…		…
1894	{	1991	{
1895	int i;	1992	int i;
1896	HV hv = (HV )SvRV (coro_current);	1993	HV hv = (HV )SvRV (coro_current);
1897	AV *av = newAV ();	1994	AV *av = newAV ();
1898		1995
		1996	/* items are actually not so common, so optimise for this case */
		1997	if (items)
		1998	{
1899	av_extend (av, items - 1);	1999	av_extend (av, items - 1);
		2000
1900	for (i = 0; i < items; ++i)	2001	for (i = 0; i < items; ++i)
1901	av_push (av, SvREFCNT_inc_NN (arg [i]));	2002	av_push (av, SvREFCNT_inc_NN (arg [i]));
		2003	}
1902		2004
1903	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);
1904		2006
1905	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 */
1906	api_ready (aTHX_ sv_manager);	2008	api_ready (aTHX_ sv_manager);
…		…
1996		2098
1997	static void	2099	static void
1998	coro_rouse_callback (pTHX_ CV *cv)	2100	coro_rouse_callback (pTHX_ CV *cv)
1999	{	2101	{
2000	dXSARGS;	2102	dXSARGS;
2001	SV data = (SV )GENSUB_ARG;	2103	SV data = (SV )S_GENSUB_ARG;
2002		2104
2003	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2105	if (SvTYPE (SvRV (data)) != SVt_PVAV)
2004	{	2106	{
2005	/* first call, set args */	2107	/* first call, set args */
2006	SV *coro = SvRV (data);	2108	SV *coro = SvRV (data);
…		…
2072	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV	2174	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV
2073	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)	2175	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2074	croak ("Coro::rouse_wait called with illegal callback argument,");	2176	croak ("Coro::rouse_wait called with illegal callback argument,");
2075		2177
2076	{	2178	{
2077	CV cv = (CV )SvRV (cb); /* for GENSUB_ARG */	2179	CV cv = (CV )SvRV (cb); /* for S_GENSUB_ARG */
2078	SV data = (SV )GENSUB_ARG;	2180	SV data = (SV )S_GENSUB_ARG;
2079		2181
2080	frame->data = (void *)data;	2182	frame->data = (void *)data;
2081	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;	2183	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2082	frame->check = slf_check_rouse_wait;	2184	frame->check = slf_check_rouse_wait;
2083	}	2185	}
…		…
2087	coro_new_rouse_cb (pTHX)	2189	coro_new_rouse_cb (pTHX)
2088	{	2190	{
2089	HV hv = (HV )SvRV (coro_current);	2191	HV hv = (HV )SvRV (coro_current);
2090	struct coro *coro = SvSTATE_hv (hv);	2192	struct coro *coro = SvSTATE_hv (hv);
2091	SV data = newRV_inc ((SV )hv);	2193	SV data = newRV_inc ((SV )hv);
2092	SV cb = gensub (aTHX_ coro_rouse_callback, (void )data);	2194	SV cb = s_gensub (aTHX_ coro_rouse_callback, (void )data);
2093		2195
2094	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);
2095	SvREFCNT_dec (data); /* magicext increases the refcount */	2197	SvREFCNT_dec (data); /* magicext increases the refcount */
2096		2198
2097	SvREFCNT_dec (coro->rouse_cb);	2199	SvREFCNT_dec (coro->rouse_cb);
…		…
2322	if (PL_op->op_flags & OPf_STACKED)	2424	if (PL_op->op_flags & OPf_STACKED)
2323	{	2425	{
2324	if (items > slf_arga)	2426	if (items > slf_arga)
2325	{	2427	{
2326	slf_arga = items;	2428	slf_arga = items;
2327	free (slf_argv);	2429	Safefree (slf_argv);
2328	slf_argv = malloc (slf_arga * sizeof (SV *));	2430	New (0, slf_argv, slf_arga, SV *);
2329	}	2431	}
2330		2432
2331	slf_argc = items;	2433	slf_argc = items;
2332		2434
2333	for (i = 0; i < items; ++i)	2435	for (i = 0; i < items; ++i)
…		…
2468	/* Coro::Semaphore & Coro::Signal */	2570	/* Coro::Semaphore & Coro::Signal */
2469		2571
2470	static SV *	2572	static SV *
2471	coro_waitarray_new (pTHX_ int count)	2573	coro_waitarray_new (pTHX_ int count)
2472	{	2574	{
2473	/* 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 */
2474	AV *av = newAV ();	2576	AV *av = newAV ();
2475	SV **ary;	2577	SV **ary;
2476		2578
2477	/* unfortunately, building manually saves memory */	2579	/* unfortunately, building manually saves memory */
2478	Newx (ary, 2, SV *);	2580	Newx (ary, 2, SV *);
…		…
2620	{	2722	{
2621	if (items >= 2)	2723	if (items >= 2)
2622	{	2724	{
2623	/* callback form */	2725	/* callback form */
2624	AV av = (AV )SvRV (arg [0]);	2726	AV av = (AV )SvRV (arg [0]);
2625	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2727	SV *cb_cv = s_get_cv_croak (arg [1]);
2626		2728
2627	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2729	av_push (av, SvREFCNT_inc_NN (cb_cv));
2628		2730
2629	if (SvIVX (AvARRAY (av)[0]) > 0)	2731	if (SvIVX (AvARRAY (av)[0]) > 0)
2630	coro_semaphore_adjust (aTHX_ av, 0);	2732	coro_semaphore_adjust (aTHX_ av, 0);
2631		2733
2632	frame->prepare = prepare_nop;	2734	frame->prepare = prepare_nop;
…		…
2656	AvARRAY (av)[0] = AvARRAY (av)[1];	2758	AvARRAY (av)[0] = AvARRAY (av)[1];
2657	AvARRAY (av)[1] = cb;	2759	AvARRAY (av)[1] = cb;
2658		2760
2659	cb = av_shift (av);	2761	cb = av_shift (av);
2660		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	{
2661	api_ready (aTHX_ cb);	2773	api_ready (aTHX_ cb);
2662	sv_setiv (cb, 0); /* signal waiter */	2774	sv_setiv (cb, 0); /* signal waiter */
		2775	}
		2776
2663	SvREFCNT_dec (cb);	2777	SvREFCNT_dec (cb);
2664		2778
2665	--count;	2779	--count;
2666	}	2780	}
2667	}	2781	}
…		…
2676	static void	2790	static void
2677	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)
2678	{	2792	{
2679	AV av = (AV )SvRV (arg [0]);	2793	AV av = (AV )SvRV (arg [0]);
2680		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
2681	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]))
2682	{	2807	{
2683	SvIVX (AvARRAY (av)[0]) = 0;	2808	SvIVX (AvARRAY (av)[0]) = 0;
2684	frame->prepare = prepare_nop;	2809	frame->prepare = prepare_nop;
2685	frame->check = slf_check_nop;	2810	frame->check = slf_check_nop;
2686	}	2811	}
2687	else	2812	else
2688	{	2813	{
2689	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2814	SV waiter = newSVsv (coro_current); / owned by signal av */
2690		2815
2691	av_push (av, waiter);	2816	av_push (av, waiter);
2692		2817
2693	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 */
2694	frame->prepare = prepare_schedule;	2819	frame->prepare = prepare_schedule;
…		…
2712		2837
2713	static void	2838	static void
2714	coro_aio_callback (pTHX_ CV *cv)	2839	coro_aio_callback (pTHX_ CV *cv)
2715	{	2840	{
2716	dXSARGS;	2841	dXSARGS;
2717	AV state = (AV )GENSUB_ARG;	2842	AV state = (AV )S_GENSUB_ARG;
2718	SV *coro = av_pop (state);	2843	SV *coro = av_pop (state);
2719	SV *data_sv = newSV (sizeof (struct io_state));	2844	SV *data_sv = newSV (sizeof (struct io_state));
2720		2845
2721	av_extend (state, items - 1);	2846	av_extend (state, items - 1);
2722		2847
…		…
2836		2961
2837	for (i = 0; i < items; ++i)	2962	for (i = 0; i < items; ++i)
2838	PUSHs (arg [i]);	2963	PUSHs (arg [i]);
2839		2964
2840	/* now push the callback closure */	2965	/* now push the callback closure */
2841	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))));
2842		2967
2843	/* now call the AIO function - we assume our request is uncancelable */	2968	/* now call the AIO function - we assume our request is uncancelable */
2844	PUTBACK;	2969	PUTBACK;
2845	call_sv ((SV *)req, G_VOID \| G_DISCARD);	2970	call_sv ((SV *)req, G_VOID \| G_DISCARD);
2846	}	2971	}
2847		2972
2848	/* 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 */
2849	frame->data = (void *)state;	2974	frame->data = (void *)state;
2850	frame->prepare = prepare_schedule;	2975	frame->prepare = prepare_schedule;
2851	frame->check = slf_check_aio_req;	2976	frame->check = slf_check_aio_req;
2852	}	2977	}
2853		2978
…		…
2864	/*****************************************************************************/	2989	/*****************************************************************************/
2865		2990
2866	#if CORO_CLONE	2991	#if CORO_CLONE
2867	# include "clone.c"	2992	# include "clone.c"
2868	#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	}
2869		3052
2870	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	3053	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2871		3054
2872	PROTOTYPES: DISABLE	3055	PROTOTYPES: DISABLE
2873		3056
…		…
2933		3116
2934	if (!svp) croak ("Time::HiRes is required");	3117	if (!svp) croak ("Time::HiRes is required");
2935	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	3118	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2936		3119
2937	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));
2938	}	3124	}
2939		3125
2940	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	3126	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2941	}	3127	}
2942		3128
2943	SV *	3129	SV *
2944	new (char *klass, ...)	3130	new (SV *klass, ...)
2945	ALIAS:	3131	ALIAS:
2946	Coro::new = 1	3132	Coro::new = 1
2947	CODE:	3133	CODE:
2948	{	3134	RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2949	struct coro *coro;	3135	OUTPUT:
2950	MAGIC *mg;
2951	HV *hv;
2952	CV *cb;
2953	int i;
2954
2955	if (items > 1)
2956	{
2957	cb = coro_sv_2cv (aTHX_ ST (1));
2958
2959	if (!ix)
2960	{
2961	if (CvISXSUB (cb))
2962	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2963
2964	if (!CvROOT (cb))
2965	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
2966	}
2967	}
2968
2969	Newz (0, coro, 1, struct coro);
2970	coro->args = newAV ();
2971	coro->flags = CF_NEW;
2972
2973	if (coro_first) coro_first->prev = coro;
2974	coro->next = coro_first;
2975	coro_first = coro;
2976
2977	coro->hv = hv = newHV ();
2978	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
2979	mg->mg_flags \|= MGf_DUP;
2980	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2981
2982	if (items > 1)
2983	{
2984	av_extend (coro->args, items - 1 + ix - 1);
2985
2986	if (ix)
2987	{
2988	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2989	cb = cv_coro_run;
2990	}
2991
2992	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);
2993
2994	for (i = 2; i < items; i++)
2995	av_push (coro->args, newSVsv (ST (i)));
2996	}
2997	}
2998	OUTPUT:
2999	RETVAL	3136	RETVAL
3000		3137
3001	void	3138	void
3002	transfer (...)	3139	transfer (...)
3003	PROTOTYPE: $$	3140	PROTOTYPE: $$
…		…
3140	RETVAL = boolSV (coro->flags & ix);	3277	RETVAL = boolSV (coro->flags & ix);
3141	OUTPUT:	3278	OUTPUT:
3142	RETVAL	3279	RETVAL
3143		3280
3144	void	3281	void
3145	throw (Coro::State self, SV *throw = &PL_sv_undef)	3282	throw (Coro::State self, SV *exception = &PL_sv_undef)
3146	PROTOTYPE: $;$	3283	PROTOTYPE: $;$
3147	CODE:	3284	CODE:
3148	{	3285	{
3149	struct coro *current = SvSTATE_current;	3286	struct coro *current = SvSTATE_current;
3150	SV **throwp = self == current ? &CORO_THROW : &self->except;	3287	SV **exceptionp = self == current ? &CORO_THROW : &self->except;
3151	SvREFCNT_dec (*throwp);	3288	SvREFCNT_dec (*exceptionp);
3152	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3289	SvGETMAGIC (exception);
		3290	*exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3153	}	3291	}
3154		3292
3155	void	3293	void
3156	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3294	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
3157	PROTOTYPE: $;$	3295	PROTOTYPE: $;$
…		…
3215	CODE:	3353	CODE:
3216	coro_state_destroy (aTHX_ self);	3354	coro_state_destroy (aTHX_ self);
3217	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */	3355	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3218		3356
3219		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
		3414
3220	MODULE = Coro::State PACKAGE = Coro	3415	MODULE = Coro::State PACKAGE = Coro
3221		3416
3222	BOOT:	3417	BOOT:
3223	{	3418	{
3224	int i;
3225
3226	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3419	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3227	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3420	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3228	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);	3421	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3229	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3422	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3230	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);
…		…
3234	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);	3427	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3235		3428
3236	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);
3237	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3430	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3238	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);
3239	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 */
3240		3433
3241	coro_stash = gv_stashpv ("Coro", TRUE);	3434	coro_stash = gv_stashpv ("Coro", TRUE);
3242		3435
3243	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3436	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3244	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3437	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3245	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3438	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3246	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3439	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3247	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3440	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3248	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3441	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3249		3442
3250	{	3443	{
3251	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3444	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3252		3445
3253	coroapi.schedule = api_schedule;	3446	coroapi.schedule = api_schedule;
…		…
3263	sv_setiv (sv, (IV)&coroapi);	3456	sv_setiv (sv, (IV)&coroapi);
3264	SvREADONLY_on (sv);	3457	SvREADONLY_on (sv);
3265	}	3458	}
3266	}	3459	}
3267		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
3268	void	3470	void
3269	terminate (...)	3471	terminate (...)
3270	CODE:	3472	CODE:
3271	CORO_EXECUTE_SLF_XS (slf_init_terminate);	3473	CORO_EXECUTE_SLF_XS (slf_init_terminate);
3272		3474
…		…
3305	void	3507	void
3306	_set_readyhook (SV *hook)	3508	_set_readyhook (SV *hook)
3307	PROTOTYPE: $	3509	PROTOTYPE: $
3308	CODE:	3510	CODE:
3309	SvREFCNT_dec (coro_readyhook);	3511	SvREFCNT_dec (coro_readyhook);
		3512	SvGETMAGIC (hook);
		3513	if (SvOK (hook))
		3514	{
3310	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	}
3311		3523
3312	int	3524	int
3313	prio (Coro::State coro, int newprio = 0)	3525	prio (Coro::State coro, int newprio = 0)
3314	PROTOTYPE: $;$	3526	PROTOTYPE: $;$
3315	ALIAS:	3527	ALIAS:
…		…
3321	if (items > 1)	3533	if (items > 1)
3322	{	3534	{
3323	if (ix)	3535	if (ix)
3324	newprio = coro->prio - newprio;	3536	newprio = coro->prio - newprio;
3325		3537
3326	if (newprio < PRIO_MIN) newprio = PRIO_MIN;	3538	if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3327	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	3539	if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3328		3540
3329	coro->prio = newprio;	3541	coro->prio = newprio;
3330	}	3542	}
3331	}	3543	}
3332	OUTPUT:	3544	OUTPUT:
…		…
3379	for (i = 1; i < items; ++i)	3591	for (i = 1; i < items; ++i)
3380	av_push (av, SvREFCNT_inc_NN (ST (i)));	3592	av_push (av, SvREFCNT_inc_NN (ST (i)));
3381		3593
3382	if ((SV *)hv == &PL_sv_undef)	3594	if ((SV *)hv == &PL_sv_undef)
3383	{	3595	{
3384	PUSHMARK (SP);	3596	SV sv = coro_new (aTHX_ coro_stash, (SV *)&cv_pool_handler, 1, 1);
3385	EXTEND (SP, 2);
3386	PUSHs (sv_Coro);
3387	PUSHs ((SV *)cv_pool_handler);
3388	PUTBACK;
3389	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3390	SPAGAIN;
3391
3392	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3597	hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
		3598	SvREFCNT_dec (sv);
3393	}	3599	}
3394		3600
3395	{	3601	{
3396	struct coro *coro = SvSTATE_hv (hv);	3602	struct coro *coro = SvSTATE_hv (hv);
3397		3603
…		…
3431	CODE:	3637	CODE:
3432	{	3638	{
3433	struct coro *coro = SvSTATE_current;	3639	struct coro *coro = SvSTATE_current;
3434	AV **avp = ix ? &coro->on_leave : &coro->on_enter;	3640	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3435		3641
3436	block = (SV *)coro_sv_2cv (aTHX_ block);	3642	block = s_get_cv_croak (block);
3437		3643
3438	if (!*avp)	3644	if (!*avp)
3439	*avp = newAV ();	3645	*avp = newAV ();
3440		3646
3441	av_push (*avp, SvREFCNT_inc (block));	3647	av_push (*avp, SvREFCNT_inc (block));
…		…
3458	MODULE = Coro::State PACKAGE = Coro::Semaphore	3664	MODULE = Coro::State PACKAGE = Coro::Semaphore
3459		3665
3460	SV *	3666	SV *
3461	new (SV klass, SV count = 0)	3667	new (SV klass, SV count = 0)
3462	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
3463	RETVAL = sv_bless (	3680	RETVAL = sv_bless (
3464	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3681	coro_waitarray_new (aTHX_ semcnt),
3465	GvSTASH (CvGV (cv))	3682	GvSTASH (CvGV (cv))
3466	);	3683	);
		3684	}
3467	OUTPUT:	3685	OUTPUT:
3468	RETVAL	3686	RETVAL
3469		3687
3470	# helper for Coro::Channel and others	3688	# helper for Coro::Channel and others
3471	SV *	3689	SV *
…		…
3629		3847
3630	void	3848	void
3631	_register (char target, char proto, SV *req)	3849	_register (char target, char proto, SV *req)
3632	CODE:	3850	CODE:
3633	{	3851	{
3634	CV *req_cv = coro_sv_2cv (aTHX_ req);	3852	SV *req_cv = s_get_cv_croak (req);
3635	/* newXSproto doesn't return the CV on 5.8 */	3853	/* newXSproto doesn't return the CV on 5.8 */
3636	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3854	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3637	sv_setpv ((SV *)slf_cv, proto);	3855	sv_setpv ((SV *)slf_cv, proto);
3638	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);
3639	}	3857	}
3640		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 1.347 by root, Wed Jun 10 00:00:02 2009 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 1.347 by root, Wed Jun 10 00:00:02 2009 UTC vs.
Revision 1.383 by root, Sun Feb 13 04:39:16 2011 UTC