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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.301 by root, Wed Nov 19 02:41:31 2008 UTC vs.
Revision 1.323 by root, Sat Nov 22 06:03:10 2008 UTC

…		…
16		16
17	#ifdef WIN32	17	#ifdef WIN32
18	# undef setjmp	18	# undef setjmp
19	# undef longjmp	19	# undef longjmp
20	# undef _exit	20	# undef _exit
21	# define setjmp _setjmp // deep magic, don't ask	21	# define setjmp _setjmp /* deep magic */
22	#else	22	#else
23	# include <inttypes.h> /* most portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
24	#endif	24	#endif
25		25
26	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
…		…
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \	58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61		61
62	#if !PERL_VERSION_ATLEAST (5,6,0)	62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr	63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr	64	# define PL_ppaddr ppaddr
65	# endif	65	# endif
…		…
98	# define newSV(l) NEWSV(0,l)	98	# define newSV(l) NEWSV(0,l)
99	#endif	99	#endif
100	#ifndef CvISXSUB_on	100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	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
103		109
104	/* 5.8.7 */	110	/* 5.8.7 */
105	#ifndef SvRV_set	111	#ifndef SvRV_set
106	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
107	#endif	113	#endif
…		…
167	static AV *main_mainstack; /* used to differentiate between $main and others */	173	static AV *main_mainstack; /* used to differentiate between $main and others */
168	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
169	static HV *coro_state_stash, *coro_stash;	175	static HV *coro_state_stash, *coro_stash;
170	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */	176	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
171		177
		178	static AV *av_destroy; /* destruction queue */
		179	static SV *sv_manager; /* the manager coro */
		180
172	static GV *irsgv; /* $/ */	181	static GV *irsgv; /* $/ */
173	static GV *stdoutgv; /* *STDOUT */	182	static GV *stdoutgv; /* *STDOUT */
174	static SV *rv_diehook;	183	static SV *rv_diehook;
175	static SV *rv_warnhook;	184	static SV *rv_warnhook;
176	static HV *hv_sig; /* %SIG */	185	static HV *hv_sig; /* %SIG */
177		186
178	/* async_pool helper stuff */	187	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	188	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	189	static SV *sv_pool_size;
		190	static SV *sv_async_pool_idle; /* description string */
181	static AV *av_async_pool;	191	static AV *av_async_pool; /* idle pool */
		192	static SV *sv_Coro; /* class string */
		193	static CV *cv_pool_handler;
		194	static CV *cv_coro_state_new;
182		195
183	/* Coro::AnyEvent */	196	/* Coro::AnyEvent */
184	static SV *sv_activity;	197	static SV *sv_activity;
185		198
186	static struct coro_cctx *cctx_first;	199	static struct coro_cctx *cctx_first;
…		…
215	int valgrind_id;	228	int valgrind_id;
216	#endif	229	#endif
217	unsigned char flags;	230	unsigned char flags;
218	} coro_cctx;	231	} coro_cctx;
219		232
		233	coro_cctx *cctx_current; /* the currently running cctx */
		234
		235	/*****************************************************************************/
		236
220	enum {	237	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	238	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	239	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	240	CF_NEW = 0x0004, /* has never been switched to */
224	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	241	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
246	/* state data */	263	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	264	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	265	AV *mainstack;
249	perl_slots *slot; /* basically the saved sp */	266	perl_slots *slot; /* basically the saved sp */
250		267
		268	CV *startcv; /* the CV to execute */
251	AV *args; /* data associated with this coroutine (initial args) */	269	AV *args; /* data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	270	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	271	int flags; /* CF_ flags */
254	HV *hv; /* the perl hash associated with this coro, if any */	272	HV *hv; /* the perl hash associated with this coro, if any */
255	void (*on_destroy)(pTHX_ struct coro *coro);	273	void (*on_destroy)(pTHX_ struct coro *coro);
256		274
257	/* statistics */	275	/* statistics */
258	int usecount; /* number of transfers to this coro */	276	int usecount; /* number of transfers to this coro */
259		277
260	/* coro process data */	278	/* coro process data */
261	int prio;	279	int prio;
262	SV *except; /* exception to be thrown */	280	SV *except; /* exception to be thrown */
		281	SV *rouse_cb;
263		282
264	/* async_pool */	283	/* async_pool */
265	SV *saved_deffh;	284	SV *saved_deffh;
		285	SV *invoke_cb;
		286	AV *invoke_av;
266		287
267	/* linked list */	288	/* linked list */
268	struct coro *next, *prev;	289	struct coro *next, *prev;
269	};	290	};
270		291
…		…
287		308
288	/* for Coro.pm */	309	/* for Coro.pm */
289	static SV *coro_current;	310	static SV *coro_current;
290	static SV *coro_readyhook;	311	static SV *coro_readyhook;
291	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	312	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		313	static CV *cv_coro_run, *cv_coro_terminate;
292	static struct coro *coro_first;	314	static struct coro *coro_first;
293	#define coro_nready coroapi.nready	315	#define coro_nready coroapi.nready
294		316
295	/** lowlevel stuff **********************************************************/	317	/** lowlevel stuff **********************************************************/
296		318
…		…
322	get_hv (name, create);	344	get_hv (name, create);
323	#endif	345	#endif
324	return get_hv (name, create);	346	return get_hv (name, create);
325	}	347	}
326		348
		349	/* may croak */
		350	INLINE CV *
		351	coro_sv_2cv (pTHX_ SV *sv)
		352	{
		353	HV *st;
		354	GV *gvp;
		355	return sv_2cv (sv, &st, &gvp, 0);
		356	}
		357
327	static AV *	358	static AV *
328	coro_clone_padlist (pTHX_ CV *cv)	359	coro_derive_padlist (pTHX_ CV *cv)
329	{	360	{
330	AV *padlist = CvPADLIST (cv);	361	AV *padlist = CvPADLIST (cv);
331	AV *newpadlist, *newpad;	362	AV *newpadlist, *newpad;
332		363
333	newpadlist = newAV ();	364	newpadlist = newAV ();
…		…
448	else	479	else
449	{	480	{
450	#if CORO_PREFER_PERL_FUNCTIONS	481	#if CORO_PREFER_PERL_FUNCTIONS
451	/* this is probably cleaner? but also slower! */	482	/* this is probably cleaner? but also slower! */
452	/* in practise, it seems to be less stable */	483	/* in practise, it seems to be less stable */
453	CV *cp = Perl_cv_clone (cv);	484	CV *cp = Perl_cv_clone (aTHX_ cv);
454	CvPADLIST (cv) = CvPADLIST (cp);	485	CvPADLIST (cv) = CvPADLIST (cp);
455	CvPADLIST (cp) = 0;	486	CvPADLIST (cp) = 0;
456	SvREFCNT_dec (cp);	487	SvREFCNT_dec (cp);
457	#else	488	#else
458	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	489	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
459	#endif	490	#endif
460	}	491	}
461	}	492	}
462		493
463	static void	494	static void
…		…
602	* of perl.c:init_stacks, except that it uses less memory	633	* of perl.c:init_stacks, except that it uses less memory
603	* on the (sometimes correct) assumption that coroutines do	634	* on the (sometimes correct) assumption that coroutines do
604	* not usually need a lot of stackspace.	635	* not usually need a lot of stackspace.
605	*/	636	*/
606	#if CORO_PREFER_PERL_FUNCTIONS	637	#if CORO_PREFER_PERL_FUNCTIONS
607	# define coro_init_stacks init_stacks	638	# define coro_init_stacks(thx) init_stacks ()
608	#else	639	#else
609	static void	640	static void
610	coro_init_stacks (pTHX)	641	coro_init_stacks (pTHX)
611	{	642	{
612	PL_curstackinfo = new_stackinfo(32, 8);	643	PL_curstackinfo = new_stackinfo(32, 8);
…		…
675	#if !PERL_VERSION_ATLEAST (5,10,0)	706	#if !PERL_VERSION_ATLEAST (5,10,0)
676	Safefree (PL_retstack);	707	Safefree (PL_retstack);
677	#endif	708	#endif
678	}	709	}
679		710
		711	#define CORO_RSS \
		712	rss += sizeof (SYM (curstackinfo)); \
		713	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		714	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		715	rss += SYM (tmps_max) * sizeof (SV *); \
		716	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		717	rss += SYM (scopestack_max) * sizeof (I32); \
		718	rss += SYM (savestack_max) * sizeof (ANY);
		719
680	static size_t	720	static size_t
681	coro_rss (pTHX_ struct coro *coro)	721	coro_rss (pTHX_ struct coro *coro)
682	{	722	{
683	size_t rss = sizeof (*coro);	723	size_t rss = sizeof (*coro);
684		724
685	if (coro->mainstack)	725	if (coro->mainstack)
686	{	726	{
687	perl_slots tmp_slot;
688	perl_slots *slot;
689
690	if (coro->flags & CF_RUNNING)	727	if (coro->flags & CF_RUNNING)
691	{	728	{
692	slot = &tmp_slot;	729	#define SYM(sym) PL_ ## sym
693		730	CORO_RSS;
694	#define VAR(name,type) slot->name = PL_ ## name;
695	# include "state.h"
696	#undef VAR	731	#undef SYM
697	}	732	}
698	else	733	else
699	slot = coro->slot;
700
701	if (slot)
702	{	734	{
703	rss += sizeof (slot->curstackinfo);	735	#define SYM(sym) coro->slot->sym
704	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	736	CORO_RSS;
705	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	737	#undef SYM
706	rss += slot->tmps_max * sizeof (SV *);
707	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
708	rss += slot->scopestack_max * sizeof (I32);
709	rss += slot->savestack_max * sizeof (ANY);
710
711	#if !PERL_VERSION_ATLEAST (5,10,0)
712	rss += slot->retstack_max * sizeof (OP *);
713	#endif
714	}	738	}
715	}	739	}
716		740
717	return rss;	741	return rss;
718	}	742	}
…		…
820	slf_check_nop (pTHX_ struct CoroSLF *frame)	844	slf_check_nop (pTHX_ struct CoroSLF *frame)
821	{	845	{
822	return 0;	846	return 0;
823	}	847	}
824		848
		849	static int
		850	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		851	{
		852	return 1;
		853	}
		854
825	static UNOP coro_setup_op;	855	static UNOP coro_setup_op;
826		856
827	static void NOINLINE /* noinline to keep it out of the transfer fast path */	857	static void NOINLINE /* noinline to keep it out of the transfer fast path */
828	coro_setup (pTHX_ struct coro *coro)	858	coro_setup (pTHX_ struct coro *coro)
829	{	859	{
…		…
860	dSP;	890	dSP;
861	UNOP myop;	891	UNOP myop;
862		892
863	Zero (&myop, 1, UNOP);	893	Zero (&myop, 1, UNOP);
864	myop.op_next = Nullop;	894	myop.op_next = Nullop;
		895	myop.op_type = OP_ENTERSUB;
865	myop.op_flags = OPf_WANT_VOID;	896	myop.op_flags = OPf_WANT_VOID;
866		897
867	PUSHMARK (SP);	898	PUSHMARK (SP);
868	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	899	PUSHs ((SV *)coro->startcv);
869	PUTBACK;	900	PUTBACK;
870	PL_op = (OP *)&myop;	901	PL_op = (OP *)&myop;
871	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	902	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
872	SPAGAIN;
873	}	903	}
874		904
875	/* this newly created coroutine might be run on an existing cctx which most	905	/* this newly created coroutine might be run on an existing cctx which most
876	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	906	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
877	*/	907	*/
878	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	908	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
879	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	909	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
880		910
881	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	911	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
882	coro_setup_op.op_next = PL_op;	912	coro_setup_op.op_next = PL_op;
883	coro_setup_op.op_type = OP_CUSTOM;	913	coro_setup_op.op_type = OP_ENTERSUB;
884	coro_setup_op.op_ppaddr = pp_slf;	914	coro_setup_op.op_ppaddr = pp_slf;
885	/* no flags required, as an init function won't be called */	915	/* no flags etc. required, as an init function won't be called */
886		916
887	PL_op = (OP *)&coro_setup_op;	917	PL_op = (OP *)&coro_setup_op;
888		918
889	/* copy throw, in case it was set before coro_setup */	919	/* copy throw, in case it was set before coro_setup */
890	CORO_THROW = coro->except;	920	CORO_THROW = coro->except;
…		…
919		949
920	SvREFCNT_dec (PL_diehook);	950	SvREFCNT_dec (PL_diehook);
921	SvREFCNT_dec (PL_warnhook);	951	SvREFCNT_dec (PL_warnhook);
922		952
923	SvREFCNT_dec (coro->saved_deffh);	953	SvREFCNT_dec (coro->saved_deffh);
924	SvREFCNT_dec (CORO_THROW);	954	SvREFCNT_dec (coro->rouse_cb);
		955	SvREFCNT_dec (coro->invoke_cb);
		956	SvREFCNT_dec (coro->invoke_av);
925		957
926	coro_destruct_stacks (aTHX);	958	coro_destruct_stacks (aTHX);
927	}	959	}
928		960
929	INLINE void	961	INLINE void
…		…
939	static int	971	static int
940	runops_trace (pTHX)	972	runops_trace (pTHX)
941	{	973	{
942	COP *oldcop = 0;	974	COP *oldcop = 0;
943	int oldcxix = -2;	975	int oldcxix = -2;
944	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
945	coro_cctx *cctx = coro->cctx;
946		976
947	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	977	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
948	{	978	{
949	PERL_ASYNC_CHECK ();	979	PERL_ASYNC_CHECK ();
950		980
951	if (cctx->flags & CC_TRACE_ALL)	981	if (cctx_current->flags & CC_TRACE_ALL)
952	{	982	{
953	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	983	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
954	{	984	{
955	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	985	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
956	SV **bot, **top;	986	SV **bot, **top;
957	AV *av = newAV (); /* return values */	987	AV *av = newAV (); /* return values */
958	SV **cb;	988	SV **cb;
…		…
995		1025
996	if (PL_curcop != &PL_compiling)	1026	if (PL_curcop != &PL_compiling)
997	{	1027	{
998	SV **cb;	1028	SV **cb;
999		1029
1000	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1030	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1001	{	1031	{
1002	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1032	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1003		1033
1004	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1034	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1005	{	1035	{
1006	runops_proc_t old_runops = PL_runops;
1007	dSP;	1036	dSP;
1008	GV *gv = CvGV (cx->blk_sub.cv);	1037	GV *gv = CvGV (cx->blk_sub.cv);
1009	SV *fullname = sv_2mortal (newSV (0));	1038	SV *fullname = sv_2mortal (newSV (0));
1010		1039
1011	if (isGV (gv))	1040	if (isGV (gv))
…		…
1016	SAVETMPS;	1045	SAVETMPS;
1017	EXTEND (SP, 3);	1046	EXTEND (SP, 3);
1018	PUSHMARK (SP);	1047	PUSHMARK (SP);
1019	PUSHs (&PL_sv_yes);	1048	PUSHs (&PL_sv_yes);
1020	PUSHs (fullname);	1049	PUSHs (fullname);
1021	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1050	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1022	PUTBACK;	1051	PUTBACK;
1023	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1052	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1024	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	1053	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1025	SPAGAIN;	1054	SPAGAIN;
1026	FREETMPS;	1055	FREETMPS;
…		…
1029	}	1058	}
1030		1059
1031	oldcxix = cxstack_ix;	1060	oldcxix = cxstack_ix;
1032	}	1061	}
1033		1062
1034	if (cctx->flags & CC_TRACE_LINE)	1063	if (cctx_current->flags & CC_TRACE_LINE)
1035	{	1064	{
1036	dSP;	1065	dSP;
1037		1066
1038	PL_runops = RUNOPS_DEFAULT;	1067	PL_runops = RUNOPS_DEFAULT;
1039	ENTER;	1068	ENTER;
…		…
1058		1087
1059	TAINT_NOT;	1088	TAINT_NOT;
1060	return 0;	1089	return 0;
1061	}	1090	}
1062		1091
1063	static struct coro_cctx *cctx_ssl_cctx;
1064	static struct CoroSLF cctx_ssl_frame;	1092	static struct CoroSLF cctx_ssl_frame;
1065		1093
1066	static void	1094	static void
1067	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1095	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1068	{	1096	{
1069	ta->prev = (struct coro *)cctx_ssl_cctx;
1070	ta->next = 0;	1097	ta->prev = 0;
1071	}	1098	}
1072		1099
1073	static int	1100	static int
1074	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1101	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1075	{	1102	{
…		…
1078	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1105	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1079	}	1106	}
1080		1107
1081	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1108	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1082	static void NOINLINE	1109	static void NOINLINE
1083	cctx_prepare (pTHX_ coro_cctx *cctx)	1110	cctx_prepare (pTHX)
1084	{	1111	{
1085	PL_top_env = &PL_start_env;	1112	PL_top_env = &PL_start_env;
1086		1113
1087	if (cctx->flags & CC_TRACE)	1114	if (cctx_current->flags & CC_TRACE)
1088	PL_runops = runops_trace;	1115	PL_runops = runops_trace;
1089		1116
1090	/* we already must be executing an SLF op, there is no other valid way	1117	/* we already must be executing an SLF op, there is no other valid way
1091	* that can lead to creation of a new cctx */	1118	* that can lead to creation of a new cctx */
1092	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1119	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1093	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1120	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1094		1121
1095	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1122	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1096	cctx_ssl_cctx = cctx;
1097	cctx_ssl_frame = slf_frame;	1123	cctx_ssl_frame = slf_frame;
1098		1124
1099	slf_frame.prepare = slf_prepare_set_stacklevel;	1125	slf_frame.prepare = slf_prepare_set_stacklevel;
1100	slf_frame.check = slf_check_set_stacklevel;	1126	slf_frame.check = slf_check_set_stacklevel;
1101	}	1127	}
…		…
1124	/* normally we would need to skip the entersub here */	1150	/* normally we would need to skip the entersub here */
1125	/* not doing so will re-execute it, which is exactly what we want */	1151	/* not doing so will re-execute it, which is exactly what we want */
1126	/* PL_nop = PL_nop->op_next */	1152	/* PL_nop = PL_nop->op_next */
1127		1153
1128	/* inject a fake subroutine call to cctx_init */	1154	/* inject a fake subroutine call to cctx_init */
1129	cctx_prepare (aTHX_ (coro_cctx *)arg);	1155	cctx_prepare (aTHX);
1130		1156
1131	/* cctx_run is the alternative tail of transfer() */	1157	/* cctx_run is the alternative tail of transfer() */
1132	transfer_tail (aTHX);	1158	transfer_tail (aTHX);
1133		1159
1134	/* somebody or something will hit me for both perl_run and PL_restartop */	1160	/* somebody or something will hit me for both perl_run and PL_restartop */
1135	PL_restartop = PL_op;	1161	PL_restartop = PL_op;
1136	perl_run (PL_curinterp);	1162	perl_run (PL_curinterp);
		1163	/*
		1164	* Unfortunately, there is no way to get at the return values of the
		1165	* coro body here, as perl_run destroys these
		1166	*/
1137		1167
1138	/*	1168	/*
1139	* If perl-run returns we assume exit() was being called or the coro	1169	* If perl-run returns we assume exit() was being called or the coro
1140	* fell off the end, which seems to be the only valid (non-bug)	1170	* fell off the end, which seems to be the only valid (non-bug)
1141	* reason for perl_run to return. We try to exit by jumping to the	1171	* reason for perl_run to return. We try to exit by jumping to the
…		…
1225	cctx_destroy (coro_cctx *cctx)	1255	cctx_destroy (coro_cctx *cctx)
1226	{	1256	{
1227	if (!cctx)	1257	if (!cctx)
1228	return;	1258	return;
1229		1259
		1260	assert (cctx != cctx_current);//D temporary
		1261
1230	--cctx_count;	1262	--cctx_count;
1231	coro_destroy (&cctx->cctx);	1263	coro_destroy (&cctx->cctx);
1232		1264
1233	/* coro_transfer creates new, empty cctx's */	1265	/* coro_transfer creates new, empty cctx's */
1234	if (cctx->sptr)	1266	if (cctx->sptr)
…		…
1319	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1351	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1320	{	1352	{
1321	dSTACKLEVEL;	1353	dSTACKLEVEL;
1322		1354
1323	/* sometimes transfer is only called to set idle_sp */	1355	/* sometimes transfer is only called to set idle_sp */
1324	if (expect_false (!next))	1356	if (expect_false (!prev))
1325	{	1357	{
1326	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1358	cctx_current->idle_sp = STACKLEVEL;
1327	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1359	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1328	}	1360	}
1329	else if (expect_true (prev != next))	1361	else if (expect_true (prev != next))
1330	{	1362	{
1331	coro_cctx *prev__cctx;	1363	coro_cctx *cctx_prev;
1332		1364
1333	if (expect_false (prev->flags & CF_NEW))	1365	if (expect_false (prev->flags & CF_NEW))
1334	{	1366	{
1335	/* create a new empty/source context */	1367	/* create a new empty/source context */
1336	prev->cctx = cctx_new_empty ();
1337	prev->flags &= ~CF_NEW;	1368	prev->flags &= ~CF_NEW;
1338	prev->flags |= CF_RUNNING;	1369	prev->flags |= CF_RUNNING;
1339	}	1370	}
1340		1371
1341	prev->flags &= ~CF_RUNNING;	1372	prev->flags &= ~CF_RUNNING;
…		…
1352	coro_setup (aTHX_ next);	1383	coro_setup (aTHX_ next);
1353	}	1384	}
1354	else	1385	else
1355	load_perl (aTHX_ next);	1386	load_perl (aTHX_ next);
1356		1387
1357	prev__cctx = prev->cctx;
1358
1359	/* possibly untie and reuse the cctx */	1388	/* possibly untie and reuse the cctx */
1360	if (expect_true (	1389	if (expect_true (
1361	prev__cctx->idle_sp == STACKLEVEL	1390	cctx_current->idle_sp == STACKLEVEL
1362	&& !(prev__cctx->flags & CC_TRACE)	1391	&& !(cctx_current->flags & CC_TRACE)
1363	&& !force_cctx	1392	&& !force_cctx
1364	))	1393	))
1365	{	1394	{
1366	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1395	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1367	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1396	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1368
1369	prev->cctx = 0;
1370		1397
1371	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1398	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1372	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1399	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1373	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1400	if (expect_false (CCTX_EXPIRED (cctx_current)))
1374	if (!next->cctx)	1401	if (!next->cctx)
1375	next->cctx = cctx_get (aTHX);	1402	next->cctx = cctx_get (aTHX);
1376		1403
1377	cctx_put (prev__cctx);	1404	cctx_put (cctx_current);
		1405	assert (!prev->cctx);//D temporary
1378	}	1406	}
		1407	else
		1408	prev->cctx = cctx_current;
1379		1409
1380	++next->usecount;	1410	++next->usecount;
1381		1411
1382	if (expect_true (!next->cctx))	1412	cctx_prev = cctx_current;
1383	next->cctx = cctx_get (aTHX);	1413	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1384		1414
1385	if (expect_false (prev__cctx != next->cctx))	1415	next->cctx = 0;
		1416
		1417	if (expect_false (cctx_prev != cctx_current))
1386	{	1418	{
1387	prev__cctx->top_env = PL_top_env;	1419	cctx_prev->top_env = PL_top_env;
1388	PL_top_env = next->cctx->top_env;	1420	PL_top_env = cctx_current->top_env;
1389	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1421	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1390	}	1422	}
1391		1423
1392	transfer_tail (aTHX);	1424	transfer_tail (aTHX);
1393	}	1425	}
1394	}	1426	}
…		…
1433		1465
1434	coro->slot = 0;	1466	coro->slot = 0;
1435	}	1467	}
1436		1468
1437	cctx_destroy (coro->cctx);	1469	cctx_destroy (coro->cctx);
		1470	SvREFCNT_dec (coro->startcv);
1438	SvREFCNT_dec (coro->args);	1471	SvREFCNT_dec (coro->args);
		1472	SvREFCNT_dec (CORO_THROW);
1439		1473
1440	if (coro->next) coro->next->prev = coro->prev;	1474	if (coro->next) coro->next->prev = coro->prev;
1441	if (coro->prev) coro->prev->next = coro->next;	1475	if (coro->prev) coro->prev->next = coro->next;
1442	if (coro == coro_first) coro_first = coro->next;	1476	if (coro == coro_first) coro_first = coro->next;
1443		1477
…		…
1497		1531
1498	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1532	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1499	TRANSFER (ta, 1);	1533	TRANSFER (ta, 1);
1500	}	1534	}
1501		1535
		1536	/*****************************************************************************/
		1537	/* gensub: simple closure generation utility */
		1538
		1539	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
		1540
		1541	/* create a closure from XS, returns a code reference */
		1542	/* the arg can be accessed via GENSUB_ARG from the callback */
		1543	/* the callback must use dXSARGS/XSRETURN */
		1544	static SV *
		1545	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
		1546	{
		1547	CV *cv = (CV *)newSV (0);
		1548
		1549	sv_upgrade ((SV *)cv, SVt_PVCV);
		1550
		1551	CvANON_on (cv);
		1552	CvISXSUB_on (cv);
		1553	CvXSUB (cv) = xsub;
		1554	GENSUB_ARG = arg;
		1555
		1556	return newRV_noinc ((SV *)cv);
		1557	}
		1558
1502	/** Coro ********************************************************************/	1559	/** Coro ********************************************************************/
1503		1560
1504	INLINE void	1561	INLINE void
1505	coro_enq (pTHX_ struct coro *coro)	1562	coro_enq (pTHX_ struct coro *coro)
1506	{	1563	{
…		…
1567	api_is_ready (pTHX_ SV *coro_sv)	1624	api_is_ready (pTHX_ SV *coro_sv)
1568	{	1625	{
1569	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1626	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1570	}	1627	}
1571		1628
		1629	/* expects to own a reference to next->hv */
1572	INLINE void	1630	INLINE void
		1631	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
		1632	{
		1633	SV *prev_sv = SvRV (coro_current);
		1634
		1635	ta->prev = SvSTATE_hv (prev_sv);
		1636	ta->next = next;
		1637
		1638	TRANSFER_CHECK (*ta);
		1639
		1640	SvRV_set (coro_current, (SV *)next->hv);
		1641
		1642	free_coro_mortal (aTHX);
		1643	coro_mortal = prev_sv;
		1644	}
		1645
		1646	static void
1573	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1647	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1574	{	1648	{
1575	SV *prev_sv, *next_sv;
1576
1577	for (;;)	1649	for (;;)
1578	{	1650	{
1579	next_sv = coro_deq (aTHX);	1651	SV *next_sv = coro_deq (aTHX);
1580		1652
1581	/* nothing to schedule: call the idle handler */
1582	if (expect_false (!next_sv))	1653	if (expect_true (next_sv))
1583	{	1654	{
		1655	struct coro *next = SvSTATE_hv (next_sv);
		1656
		1657	/* cannot transfer to destroyed coros, skip and look for next */
		1658	if (expect_false (next->flags & CF_DESTROYED))
		1659	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1660	else
		1661	{
		1662	next->flags &= ~CF_READY;
		1663	--coro_nready;
		1664
		1665	prepare_schedule_to (aTHX_ ta, next);
		1666	break;
		1667	}
		1668	}
		1669	else
		1670	{
		1671	/* nothing to schedule: call the idle handler */
1584	dSP;	1672	dSP;
1585		1673
1586	ENTER;	1674	ENTER;
1587	SAVETMPS;	1675	SAVETMPS;
1588		1676
…		…
1590	PUTBACK;	1678	PUTBACK;
1591	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);	1679	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1592		1680
1593	FREETMPS;	1681	FREETMPS;
1594	LEAVE;	1682	LEAVE;
1595	continue;
1596	}	1683	}
1597
1598	ta->next = SvSTATE_hv (next_sv);
1599
1600	/* cannot transfer to destroyed coros, skip and look for next */
1601	if (expect_false (ta->next->flags & CF_DESTROYED))
1602	{
1603	SvREFCNT_dec (next_sv);
1604	/* coro_nready has already been taken care of by destroy */
1605	continue;
1606	}
1607
1608	--coro_nready;
1609	break;
1610	}	1684	}
1611
1612	/* free this only after the transfer */
1613	prev_sv = SvRV (coro_current);
1614	ta->prev = SvSTATE_hv (prev_sv);
1615	TRANSFER_CHECK (*ta);
1616	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));
1617	ta->next->flags &= ~CF_READY;
1618	SvRV_set (coro_current, next_sv);
1619
1620	free_coro_mortal (aTHX);
1621	coro_mortal = prev_sv;
1622	}	1685	}
1623		1686
1624	INLINE void	1687	INLINE void
1625	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1688	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1626	{	1689	{
…		…
1647	{	1710	{
1648	struct coro_transfer_args ta;	1711	struct coro_transfer_args ta;
1649		1712
1650	prepare_schedule (aTHX_ &ta);	1713	prepare_schedule (aTHX_ &ta);
1651	TRANSFER (ta, 1);	1714	TRANSFER (ta, 1);
		1715	}
		1716
		1717	static void
		1718	api_schedule_to (pTHX_ SV *coro_sv)
		1719	{
		1720	struct coro_transfer_args ta;
		1721	struct coro *next = SvSTATE (coro_sv);
		1722
		1723	SvREFCNT_inc_NN (coro_sv);
		1724	prepare_schedule_to (aTHX_ &ta, next);
1652	}	1725	}
1653		1726
1654	static int	1727	static int
1655	api_cede (pTHX)	1728	api_cede (pTHX)
1656	{	1729	{
…		…
1703	if (coro->flags & CF_RUNNING)	1776	if (coro->flags & CF_RUNNING)
1704	PL_runops = RUNOPS_DEFAULT;	1777	PL_runops = RUNOPS_DEFAULT;
1705	else	1778	else
1706	coro->slot->runops = RUNOPS_DEFAULT;	1779	coro->slot->runops = RUNOPS_DEFAULT;
1707	}	1780	}
		1781	}
		1782
		1783	static void
		1784	coro_call_on_destroy (pTHX_ struct coro *coro)
		1785	{
		1786	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1787	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1788
		1789	if (on_destroyp)
		1790	{
		1791	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1792
		1793	while (AvFILLp (on_destroy) >= 0)
		1794	{
		1795	dSP; /* don't disturb outer sp */
		1796	SV *cb = av_pop (on_destroy);
		1797
		1798	PUSHMARK (SP);
		1799
		1800	if (statusp)
		1801	{
		1802	int i;
		1803	AV *status = (AV *)SvRV (*statusp);
		1804	EXTEND (SP, AvFILLp (status) + 1);
		1805
		1806	for (i = 0; i <= AvFILLp (status); ++i)
		1807	PUSHs (AvARRAY (status)[i]);
		1808	}
		1809
		1810	PUTBACK;
		1811	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1812	}
		1813	}
		1814	}
		1815
		1816	static void
		1817	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1818	{
		1819	int i;
		1820	HV *hv = (HV *)SvRV (coro_current);
		1821	AV *av = newAV ();
		1822
		1823	av_extend (av, items - 1);
		1824	for (i = 0; i < items; ++i)
		1825	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1826
		1827	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1828
		1829	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1830	api_ready (aTHX_ sv_manager);
		1831
		1832	frame->prepare = prepare_schedule;
		1833	frame->check = slf_check_repeat;
		1834	}
		1835
		1836	/*****************************************************************************/
		1837	/* async pool handler */
		1838
		1839	static int
		1840	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1841	{
		1842	HV *hv = (HV *)SvRV (coro_current);
		1843	struct coro *coro = (struct coro *)frame->data;
		1844
		1845	if (!coro->invoke_cb)
		1846	return 1; /* loop till we have invoke */
		1847	else
		1848	{
		1849	hv_store (hv, "desc", sizeof ("desc") - 1,
		1850	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1851
		1852	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1853
		1854	{
		1855	dSP;
		1856	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1857	PUTBACK;
		1858	}
		1859
		1860	SvREFCNT_dec (GvAV (PL_defgv));
		1861	GvAV (PL_defgv) = coro->invoke_av;
		1862	coro->invoke_av = 0;
		1863
		1864	return 0;
		1865	}
		1866	}
		1867
		1868	static void
		1869	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1870	{
		1871	HV *hv = (HV *)SvRV (coro_current);
		1872	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1873
		1874	if (expect_true (coro->saved_deffh))
		1875	{
		1876	/* subsequent iteration */
		1877	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1878	coro->saved_deffh = 0;
		1879
		1880	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1881	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1882	{
		1883	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1884	coro->invoke_av = newAV ();
		1885
		1886	frame->prepare = prepare_nop;
		1887	}
		1888	else
		1889	{
		1890	av_clear (GvAV (PL_defgv));
		1891	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1892
		1893	coro->prio = 0;
		1894
		1895	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1896	api_trace (aTHX_ coro_current, 0);
		1897
		1898	frame->prepare = prepare_schedule;
		1899	av_push (av_async_pool, SvREFCNT_inc (hv));
		1900	}
		1901	}
		1902	else
		1903	{
		1904	/* first iteration, simply fall through */
		1905	frame->prepare = prepare_nop;
		1906	}
		1907
		1908	frame->check = slf_check_pool_handler;
		1909	frame->data = (void *)coro;
		1910	}
		1911
		1912	/*****************************************************************************/
		1913	/* rouse callback */
		1914
		1915	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
		1916
		1917	static void
		1918	coro_rouse_callback (pTHX_ CV *cv)
		1919	{
		1920	dXSARGS;
		1921	SV *data = (SV *)GENSUB_ARG;
		1922
		1923	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1924	{
		1925	/* first call, set args */
		1926	AV *av = newAV ();
		1927	SV *coro = SvRV (data);
		1928
		1929	SvRV_set (data, (SV *)av);
		1930	api_ready (aTHX_ coro);
		1931	SvREFCNT_dec (coro);
		1932
		1933	/* better take a full copy of the arguments */
		1934	while (items--)
		1935	av_store (av, items, newSVsv (ST (items)));
		1936	}
		1937
		1938	XSRETURN_EMPTY;
		1939	}
		1940
		1941	static int
		1942	slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
		1943	{
		1944	SV *data = (SV *)frame->data;
		1945
		1946	if (CORO_THROW)
		1947	return 0;
		1948
		1949	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1950	return 1;
		1951
		1952	/* now push all results on the stack */
		1953	{
		1954	dSP;
		1955	AV *av = (AV *)SvRV (data);
		1956	int i;
		1957
		1958	EXTEND (SP, AvFILLp (av) + 1);
		1959	for (i = 0; i <= AvFILLp (av); ++i)
		1960	PUSHs (sv_2mortal (AvARRAY (av)[i]));
		1961
		1962	/* we have stolen the elements, so ste length to zero and free */
		1963	AvFILLp (av) = -1;
		1964	av_undef (av);
		1965
		1966	PUTBACK;
		1967	}
		1968
		1969	return 0;
		1970	}
		1971
		1972	static void
		1973	slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1974	{
		1975	SV *cb;
		1976
		1977	if (items)
		1978	cb = arg [0];
		1979	else
		1980	{
		1981	struct coro *coro = SvSTATE_current;
		1982
		1983	if (!coro->rouse_cb)
		1984	croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,");
		1985
		1986	cb = sv_2mortal (coro->rouse_cb);
		1987	coro->rouse_cb = 0;
		1988	}
		1989
		1990	if (!SvROK (cb)
		1991	|| SvTYPE (SvRV (cb)) != SVt_PVCV
		1992	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
		1993	croak ("Coro::rouse_wait called with illegal callback argument,");
		1994
		1995	{
		1996	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */
		1997	SV *data = (SV *)GENSUB_ARG;
		1998
		1999	frame->data = (void *)data;
		2000	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
		2001	frame->check = slf_check_rouse_wait;
		2002	}
		2003	}
		2004
		2005	static SV *
		2006	coro_new_rouse_cb (pTHX)
		2007	{
		2008	HV *hv = (HV *)SvRV (coro_current);
		2009	struct coro *coro = SvSTATE_hv (hv);
		2010	SV *data = newRV_inc ((SV *)hv);
		2011	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);
		2012
		2013	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
		2014	SvREFCNT_dec (data); /* magicext increases the refcount */
		2015
		2016	SvREFCNT_dec (coro->rouse_cb);
		2017	coro->rouse_cb = SvREFCNT_inc_NN (cb);
		2018
		2019	return cb;
1708	}	2020	}
1709		2021
1710	/*****************************************************************************/	2022	/*****************************************************************************/
1711	/* schedule-like-function opcode (SLF) */	2023	/* schedule-like-function opcode (SLF) */
1712		2024
…		…
1759	static void	2071	static void
1760	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2072	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1761	{	2073	{
1762	frame->prepare = prepare_schedule;	2074	frame->prepare = prepare_schedule;
1763	frame->check = slf_check_nop;	2075	frame->check = slf_check_nop;
		2076	}
		2077
		2078	static void
		2079	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2080	{
		2081	struct coro *next = (struct coro *)slf_frame.data;
		2082
		2083	SvREFCNT_inc_NN (next->hv);
		2084	prepare_schedule_to (aTHX_ ta, next);
		2085	}
		2086
		2087	static void
		2088	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2089	{
		2090	if (!items)
		2091	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2092
		2093	frame->data = (void *)SvSTATE (arg [0]);
		2094	frame->prepare = slf_prepare_schedule_to;
		2095	frame->check = slf_check_nop;
		2096	}
		2097
		2098	static void
		2099	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2100	{
		2101	api_ready (aTHX_ SvRV (coro_current));
		2102
		2103	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1764	}	2104	}
1765		2105
1766	static void	2106	static void
1767	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2107	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1768	{	2108	{
…		…
1914	}	2254	}
1915	else	2255	else
1916	slf_argc = 0;	2256	slf_argc = 0;
1917		2257
1918	PL_op->op_ppaddr = pp_slf;	2258	PL_op->op_ppaddr = pp_slf;
1919	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2259	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
1920		2260
1921	PL_op = (OP *)&slf_restore;	2261	PL_op = (OP *)&slf_restore;
1922	}	2262	}
1923		2263
1924	/*****************************************************************************/	2264	/*****************************************************************************/
…		…
2007	SV **ary;	2347	SV **ary;
2008		2348
2009	/* unfortunately, building manually saves memory */	2349	/* unfortunately, building manually saves memory */
2010	Newx (ary, 2, SV *);	2350	Newx (ary, 2, SV *);
2011	AvALLOC (av) = ary;	2351	AvALLOC (av) = ary;
2012	AvARRAY (av) = ary;	2352	/*AvARRAY (av) = ary;*/
		2353	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */
2013	AvMAX (av) = 1;	2354	AvMAX (av) = 1;
2014	AvFILLp (av) = 0;	2355	AvFILLp (av) = 0;
2015	ary [0] = newSViv (count);	2356	ary [0] = newSViv (count);
2016		2357
2017	return newRV_noinc ((SV *)av);	2358	return newRV_noinc ((SV *)av);
…		…
2037	AvARRAY (av)[0] = AvARRAY (av)[1];	2378	AvARRAY (av)[0] = AvARRAY (av)[1];
2038	AvARRAY (av)[1] = count_sv;	2379	AvARRAY (av)[1] = count_sv;
2039	cb = av_shift (av);	2380	cb = av_shift (av);
2040		2381
2041	if (SvOBJECT (cb))	2382	if (SvOBJECT (cb))
		2383	{
2042	api_ready (aTHX_ cb);	2384	api_ready (aTHX_ cb);
2043	else	2385	--count;
2044	croak ("callbacks not yet supported");	2386	}
		2387	else if (SvTYPE (cb) == SVt_PVCV)
		2388	{
		2389	dSP;
		2390	PUSHMARK (SP);
		2391	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2392	PUTBACK;
		2393	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2394	}
2045		2395
2046	SvREFCNT_dec (cb);	2396	SvREFCNT_dec (cb);
2047
2048	--count;
2049	}	2397	}
2050	}	2398	}
2051		2399
2052	static void	2400	static void
2053	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2401	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2135	}	2483	}
2136		2484
2137	static void	2485	static void
2138	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2486	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2139	{	2487	{
		2488	if (items >= 2)
		2489	{
		2490	/* callback form */
		2491	AV *av = (AV *)SvRV (arg [0]);
		2492	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2493
		2494	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2495
		2496	if (SvIVX (AvARRAY (av)[0]) > 0)
		2497	coro_semaphore_adjust (aTHX_ av, 0);
		2498
		2499	frame->prepare = prepare_nop;
		2500	frame->check = slf_check_nop;
		2501	}
		2502	else
		2503	{
2140	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2504	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2141	frame->check = slf_check_semaphore_wait;	2505	frame->check = slf_check_semaphore_wait;
		2506	}
2142	}	2507	}
2143		2508
2144	/* signal */	2509	/* signal */
2145		2510
2146	static void	2511	static void
…		…
2194		2559
2195	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */	2560	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
2196	frame->prepare = prepare_schedule;	2561	frame->prepare = prepare_schedule;
2197	frame->check = slf_check_signal_wait;	2562	frame->check = slf_check_signal_wait;
2198	}	2563	}
2199	}
2200
2201	/*****************************************************************************/
2202	/* gensub: simple closure generation utility */
2203
2204	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
2205
2206	/* create a closure from XS, returns a code reference */
2207	/* the arg can be accessed via GENSUB_ARG from the callback */
2208	/* the callback must use dXSARGS/XSRETURN */
2209	static SV *
2210	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
2211	{
2212	CV *cv = (CV *)newSV (0);
2213
2214	sv_upgrade ((SV *)cv, SVt_PVCV);
2215
2216	CvANON_on (cv);
2217	CvISXSUB_on (cv);
2218	CvXSUB (cv) = xsub;
2219	GENSUB_ARG = arg;
2220
2221	return newRV_noinc ((SV *)cv);
2222	}	2564	}
2223		2565
2224	/*****************************************************************************/	2566	/*****************************************************************************/
2225	/* Coro::AIO */	2567	/* Coro::AIO */
2226		2568
…		…
2241	dXSARGS;	2583	dXSARGS;
2242	AV *state = (AV *)GENSUB_ARG;	2584	AV *state = (AV *)GENSUB_ARG;
2243	SV *coro = av_pop (state);	2585	SV *coro = av_pop (state);
2244	SV *data_sv = newSV (sizeof (struct io_state));	2586	SV *data_sv = newSV (sizeof (struct io_state));
2245		2587
2246	av_extend (state, items);	2588	av_extend (state, items - 1);
2247		2589
2248	sv_upgrade (data_sv, SVt_PV);	2590	sv_upgrade (data_sv, SVt_PV);
2249	SvCUR_set (data_sv, sizeof (struct io_state));	2591	SvCUR_set (data_sv, sizeof (struct io_state));
2250	SvPOK_only (data_sv);	2592	SvPOK_only (data_sv);
2251		2593
…		…
2386	XSRETURN_EMPTY;	2728	XSRETURN_EMPTY;
2387	}	2729	}
2388		2730
2389	/*****************************************************************************/	2731	/*****************************************************************************/
2390		2732
		2733	#if CORO_CLONE
		2734	# include "clone.c"
		2735	#endif
		2736
2391	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2737	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2392		2738
2393	PROTOTYPES: DISABLE	2739	PROTOTYPES: DISABLE
2394		2740
2395	BOOT:	2741	BOOT:
…		…
2399	coro_thx = PERL_GET_CONTEXT;	2745	coro_thx = PERL_GET_CONTEXT;
2400	# endif	2746	# endif
2401	#endif	2747	#endif
2402	BOOT_PAGESIZE;	2748	BOOT_PAGESIZE;
2403		2749
		2750	cctx_current = cctx_new_empty ();
		2751
2404	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2752	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2405	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2753	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2406		2754
2407	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2755	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2408	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2756	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2427		2775
2428	{	2776	{
2429	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2777	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2430		2778
2431	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2779	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2432	hv_store_ent (PL_custom_op_names, slf,	2780	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2433	newSVpv ("coro_slf", 0), 0);
2434		2781
2435	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2782	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2436	hv_store_ent (PL_custom_op_descs, slf,	2783	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2437	newSVpv ("coro schedule like function", 0), 0);
2438	}	2784	}
2439		2785
2440	coroapi.ver = CORO_API_VERSION;	2786	coroapi.ver = CORO_API_VERSION;
2441	coroapi.rev = CORO_API_REVISION;	2787	coroapi.rev = CORO_API_REVISION;
2442		2788
…		…
2461	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2807	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2462	}	2808	}
2463		2809
2464	SV *	2810	SV *
2465	new (char *klass, ...)	2811	new (char *klass, ...)
		2812	ALIAS:
		2813	Coro::new = 1
2466	CODE:	2814	CODE:
2467	{	2815	{
2468	struct coro *coro;	2816	struct coro *coro;
2469	MAGIC *mg;	2817	MAGIC *mg;
2470	HV *hv;	2818	HV *hv;
		2819	CV *cb;
2471	int i;	2820	int i;
		2821
		2822	if (items > 1)
		2823	{
		2824	cb = coro_sv_2cv (aTHX_ ST (1));
		2825
		2826	if (!ix)
		2827	{
		2828	if (CvISXSUB (cb))
		2829	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2830
		2831	if (!CvROOT (cb))
		2832	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2833	}
		2834	}
2472		2835
2473	Newz (0, coro, 1, struct coro);	2836	Newz (0, coro, 1, struct coro);
2474	coro->args = newAV ();	2837	coro->args = newAV ();
2475	coro->flags = CF_NEW;	2838	coro->flags = CF_NEW;
2476		2839
…		…
2481	coro->hv = hv = newHV ();	2844	coro->hv = hv = newHV ();
2482	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2845	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2483	mg->mg_flags |= MGf_DUP;	2846	mg->mg_flags |= MGf_DUP;
2484	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2847	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2485		2848
		2849	if (items > 1)
		2850	{
2486	av_extend (coro->args, items - 1);	2851	av_extend (coro->args, items - 1 + ix - 1);
		2852
		2853	if (ix)
		2854	{
		2855	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2856	cb = cv_coro_run;
		2857	}
		2858
		2859	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2860
2487	for (i = 1; i < items; i++)	2861	for (i = 2; i < items; i++)
2488	av_push (coro->args, newSVsv (ST (i)));	2862	av_push (coro->args, newSVsv (ST (i)));
		2863	}
2489	}	2864	}
2490	OUTPUT:	2865	OUTPUT:
2491	RETVAL	2866	RETVAL
2492		2867
2493	void	2868	void
…		…
2506	void	2881	void
2507	_exit (int code)	2882	_exit (int code)
2508	PROTOTYPE: $	2883	PROTOTYPE: $
2509	CODE:	2884	CODE:
2510	_exit (code);	2885	_exit (code);
		2886
		2887	SV *
		2888	clone (Coro::State coro)
		2889	CODE:
		2890	{
		2891	#if CORO_CLONE
		2892	struct coro *ncoro = coro_clone (coro);
		2893	MAGIC *mg;
		2894	/* TODO: too much duplication */
		2895	ncoro->hv = newHV ();
		2896	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		2897	mg->mg_flags |= MGf_DUP;
		2898	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2899	#else
		2900	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2901	#endif
		2902	}
		2903	OUTPUT:
		2904	RETVAL
2511		2905
2512	int	2906	int
2513	cctx_stacksize (int new_stacksize = 0)	2907	cctx_stacksize (int new_stacksize = 0)
2514	PROTOTYPE: ;$	2908	PROTOTYPE: ;$
2515	CODE:	2909	CODE:
…		…
2636		3030
2637	SV *	3031	SV *
2638	has_cctx (Coro::State coro)	3032	has_cctx (Coro::State coro)
2639	PROTOTYPE: $	3033	PROTOTYPE: $
2640	CODE:	3034	CODE:
2641	RETVAL = boolSV (!!coro->cctx);	3035	/* maybe manage the running flag differently */
		3036	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2642	OUTPUT:	3037	OUTPUT:
2643	RETVAL	3038	RETVAL
2644		3039
2645	int	3040	int
2646	is_traced (Coro::State coro)	3041	is_traced (Coro::State coro)
…		…
2666		3061
2667	void	3062	void
2668	force_cctx ()	3063	force_cctx ()
2669	PROTOTYPE:	3064	PROTOTYPE:
2670	CODE:	3065	CODE:
2671	SvSTATE_current->cctx->idle_sp = 0;	3066	cctx_current->idle_sp = 0;
2672		3067
2673	void	3068	void
2674	swap_defsv (Coro::State self)	3069	swap_defsv (Coro::State self)
2675	PROTOTYPE: $	3070	PROTOTYPE: $
2676	ALIAS:	3071	ALIAS:
…		…
2691		3086
2692	BOOT:	3087	BOOT:
2693	{	3088	{
2694	int i;	3089	int i;
2695		3090
2696	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2697	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3091	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2698	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3092	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2699		3093	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3094	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2700	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3095	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2701	SvREADONLY_on (coro_current);	3096	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3097	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3098	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3099
		3100	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3101	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3102	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3103	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2702		3104
2703	coro_stash = gv_stashpv ("Coro", TRUE);	3105	coro_stash = gv_stashpv ("Coro", TRUE);
2704		3106
2705	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3107	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2706	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3108	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2714		3116
2715	{	3117	{
2716	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3118	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2717		3119
2718	coroapi.schedule = api_schedule;	3120	coroapi.schedule = api_schedule;
		3121	coroapi.schedule_to = api_schedule_to;
2719	coroapi.cede = api_cede;	3122	coroapi.cede = api_cede;
2720	coroapi.cede_notself = api_cede_notself;	3123	coroapi.cede_notself = api_cede_notself;
2721	coroapi.ready = api_ready;	3124	coroapi.ready = api_ready;
2722	coroapi.is_ready = api_is_ready;	3125	coroapi.is_ready = api_is_ready;
2723	coroapi.nready = coro_nready;	3126	coroapi.nready = coro_nready;
…		…
2728	SvREADONLY_on (sv);	3131	SvREADONLY_on (sv);
2729	}	3132	}
2730	}	3133	}
2731		3134
2732	void	3135	void
		3136	terminate (...)
		3137	CODE:
		3138	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3139
		3140	void
2733	schedule (...)	3141	schedule (...)
2734	CODE:	3142	CODE:
2735	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3143	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3144
		3145	void
		3146	schedule_to (...)
		3147	CODE:
		3148	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3149
		3150	void
		3151	cede_to (...)
		3152	CODE:
		3153	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2736		3154
2737	void	3155	void
2738	cede (...)	3156	cede (...)
2739	CODE:	3157	CODE:
2740	CORO_EXECUTE_SLF_XS (slf_init_cede);	3158	CORO_EXECUTE_SLF_XS (slf_init_cede);
2741		3159
2742	void	3160	void
2743	cede_notself (...)	3161	cede_notself (...)
2744	CODE:	3162	CODE:
2745	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3163	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3164
		3165	void
		3166	_cancel (Coro::State self)
		3167	CODE:
		3168	coro_state_destroy (aTHX_ self);
		3169	coro_call_on_destroy (aTHX_ self);
2746		3170
2747	void	3171	void
2748	_set_current (SV *current)	3172	_set_current (SV *current)
2749	PROTOTYPE: $	3173	PROTOTYPE: $
2750	CODE:	3174	CODE:
…		…
2795	CODE:	3219	CODE:
2796	RETVAL = coro_nready;	3220	RETVAL = coro_nready;
2797	OUTPUT:	3221	OUTPUT:
2798	RETVAL	3222	RETVAL
2799		3223
2800	# for async_pool speedup
2801	void	3224	void
2802	_pool_1 (SV *cb)	3225	_pool_handler (...)
2803	CODE:	3226	CODE:
2804	{	3227	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2805	HV *hv = (HV *)SvRV (coro_current);
2806	struct coro *coro = SvSTATE_hv ((SV *)hv);
2807	AV *defav = GvAV (PL_defgv);
2808	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2809	AV *invoke_av;
2810	int i, len;
2811		3228
2812	if (!invoke)	3229	void
		3230	async_pool (SV *cv, ...)
		3231	PROTOTYPE: &@
		3232	PPCODE:
		3233	{
		3234	HV *hv = (HV *)av_pop (av_async_pool);
		3235	AV *av = newAV ();
		3236	SV *cb = ST (0);
		3237	int i;
		3238
		3239	av_extend (av, items - 2);
		3240	for (i = 1; i < items; ++i)
		3241	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3242
		3243	if ((SV *)hv == &PL_sv_undef)
2813	{	3244	{
2814	SV *old = PL_diehook;	3245	PUSHMARK (SP);
2815	PL_diehook = 0;	3246	EXTEND (SP, 2);
2816	SvREFCNT_dec (old);	3247	PUSHs (sv_Coro);
2817	croak ("\3async_pool terminate\2\n");	3248	PUSHs ((SV *)cv_pool_handler);
		3249	PUTBACK;
		3250	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3251	SPAGAIN;
		3252
		3253	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2818	}	3254	}
2819		3255
2820	SvREFCNT_dec (coro->saved_deffh);
2821	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2822
2823	hv_store (hv, "desc", sizeof ("desc") - 1,
2824	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2825
2826	invoke_av = (AV *)SvRV (invoke);
2827	len = av_len (invoke_av);
2828
2829	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2830
2831	if (len > 0)
2832	{	3256	{
2833	av_fill (defav, len - 1);	3257	struct coro *coro = SvSTATE_hv (hv);
2834	for (i = 0; i < len; ++i)	3258
2835	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3259	assert (!coro->invoke_cb);
		3260	assert (!coro->invoke_av);
		3261	coro->invoke_cb = SvREFCNT_inc (cb);
		3262	coro->invoke_av = av;
2836	}	3263	}
		3264
		3265	api_ready (aTHX_ (SV *)hv);
		3266
		3267	if (GIMME_V != G_VOID)
		3268	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
		3269	else
		3270	SvREFCNT_dec (hv);
2837	}	3271	}
		3272
		3273	SV *
		3274	rouse_cb ()
		3275	PROTOTYPE:
		3276	CODE:
		3277	RETVAL = coro_new_rouse_cb (aTHX);
		3278	OUTPUT:
		3279	RETVAL
2838		3280
2839	void	3281	void
2840	_pool_2 (SV *cb)	3282	rouse_wait (...)
		3283	PROTOTYPE: ;$
2841	CODE:	3284	PPCODE:
2842	{	3285	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2843	HV *hv = (HV *)SvRV (coro_current);
2844	struct coro *coro = SvSTATE_hv ((SV *)hv);
2845
2846	sv_setsv (cb, &PL_sv_undef);
2847
2848	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2849	coro->saved_deffh = 0;
2850
2851	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2852	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2853	{
2854	SV *old = PL_diehook;
2855	PL_diehook = 0;
2856	SvREFCNT_dec (old);
2857	croak ("\3async_pool terminate\2\n");
2858	}
2859
2860	av_clear (GvAV (PL_defgv));
2861	hv_store (hv, "desc", sizeof ("desc") - 1,
2862	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2863
2864	coro->prio = 0;
2865
2866	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2867	api_trace (aTHX_ coro_current, 0);
2868
2869	av_push (av_async_pool, newSVsv (coro_current));
2870	}
2871		3286
2872		3287
2873	MODULE = Coro::State PACKAGE = PerlIO::cede	3288	MODULE = Coro::State PACKAGE = PerlIO::cede
2874		3289
2875	BOOT:	3290	BOOT:
…		…
2909	adjust = 1	3324	adjust = 1
2910	CODE:	3325	CODE:
2911	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3326	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
2912		3327
2913	void	3328	void
2914	down (SV *self)	3329	down (...)
2915	CODE:	3330	CODE:
2916	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3331	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
2917		3332
2918	void	3333	void
2919	wait (SV *self)	3334	wait (...)
2920	CODE:	3335	CODE:
2921	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3336	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2922		3337
2923	void	3338	void
2924	try (SV *self)	3339	try (SV *self)
…		…
2967	);	3382	);
2968	OUTPUT:	3383	OUTPUT:
2969	RETVAL	3384	RETVAL
2970		3385
2971	void	3386	void
2972	wait (SV *self)	3387	wait (...)
2973	CODE:	3388	CODE:
2974	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);	3389	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
2975		3390
2976	void	3391	void
2977	broadcast (SV *self)	3392	broadcast (SV *self)
…		…
3034		3449
3035	void	3450	void
3036	_register (char *target, char *proto, SV *req)	3451	_register (char *target, char *proto, SV *req)
3037	CODE:	3452	CODE:
3038	{	3453	{
3039	HV *st;	3454	CV *req_cv = coro_sv_2cv (aTHX_ req);
3040	GV *gvp;
3041	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
3042	/* newXSproto doesn't return the CV on 5.8 */	3455	/* newXSproto doesn't return the CV on 5.8 */
3043	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3456	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3044	sv_setpv ((SV *)slf_cv, proto);	3457	sv_setpv ((SV *)slf_cv, proto);
3045	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3458	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3046	}	3459	}

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