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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.311 by root, Thu Nov 20 01:12:08 2008 UTC vs.
Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC

…		…
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	static SV sv_idle; / $Coro::idle */
		181
172	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
173	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
174	static SV *rv_diehook;	184	static SV *rv_diehook;
175	static SV *rv_warnhook;	185	static SV *rv_warnhook;
176	static HV hv_sig; / %SIG */	186	static HV hv_sig; / %SIG */
177		187
178	/* async_pool helper stuff */	188	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	190	static SV *sv_pool_size;
		191	static SV sv_async_pool_idle; / description string */
181	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
		193	static SV sv_Coro; / class string */
		194	static CV *cv_pool_handler;
		195	static CV *cv_coro_state_new;
182		196
183	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
184	static SV *sv_activity;	198	static SV *sv_activity;
185		199
186	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
215	int valgrind_id;	229	int valgrind_id;
216	#endif	230	#endif
217	unsigned char flags;	231	unsigned char flags;
218	} coro_cctx;	232	} coro_cctx;
219		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
220	enum {	238	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
224	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
263	SV except; / exception to be thrown */	281	SV except; / exception to be thrown */
264	SV *rouse_cb;	282	SV *rouse_cb;
265		283
266	/* async_pool */	284	/* async_pool */
267	SV *saved_deffh;	285	SV *saved_deffh;
		286	SV *invoke_cb;
		287	AV *invoke_av;
268		288
269	/* linked list */	289	/* linked list */
270	struct coro next, prev;	290	struct coro next, prev;
271	};	291	};
272		292
…		…
289		309
290	/* for Coro.pm */	310	/* for Coro.pm */
291	static SV *coro_current;	311	static SV *coro_current;
292	static SV *coro_readyhook;	312	static SV *coro_readyhook;
293	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	313	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
294	static CV *cv_coro_run;	314	static CV cv_coro_run, cv_coro_terminate;
295	static struct coro *coro_first;	315	static struct coro *coro_first;
296	#define coro_nready coroapi.nready	316	#define coro_nready coroapi.nready
297		317
298	/ lowlevel stuff ********************************************************/	318	/ lowlevel stuff ********************************************************/
299		319
…		…
335	GV *gvp;	355	GV *gvp;
336	return sv_2cv (sv, &st, &gvp, 0);	356	return sv_2cv (sv, &st, &gvp, 0);
337	}	357	}
338		358
339	static AV *	359	static AV *
340	coro_clone_padlist (pTHX_ CV *cv)	360	coro_derive_padlist (pTHX_ CV *cv)
341	{	361	{
342	AV *padlist = CvPADLIST (cv);	362	AV *padlist = CvPADLIST (cv);
343	AV newpadlist, newpad;	363	AV newpadlist, newpad;
344		364
345	newpadlist = newAV ();	365	newpadlist = newAV ();
…		…
465	CV *cp = Perl_cv_clone (aTHX_ cv);	485	CV *cp = Perl_cv_clone (aTHX_ cv);
466	CvPADLIST (cv) = CvPADLIST (cp);	486	CvPADLIST (cv) = CvPADLIST (cp);
467	CvPADLIST (cp) = 0;	487	CvPADLIST (cp) = 0;
468	SvREFCNT_dec (cp);	488	SvREFCNT_dec (cp);
469	#else	489	#else
470	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	490	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
471	#endif	491	#endif
472	}	492	}
473	}	493	}
474		494
475	static void	495	static void
…		…
687	#if !PERL_VERSION_ATLEAST (5,10,0)	707	#if !PERL_VERSION_ATLEAST (5,10,0)
688	Safefree (PL_retstack);	708	Safefree (PL_retstack);
689	#endif	709	#endif
690	}	710	}
691		711
		712	#define CORO_RSS \
		713	rss += sizeof (SYM (curstackinfo)); \
		714	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		715	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		716	rss += SYM (tmps_max) * sizeof (SV *); \
		717	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		718	rss += SYM (scopestack_max) * sizeof (I32); \
		719	rss += SYM (savestack_max) * sizeof (ANY);
		720
692	static size_t	721	static size_t
693	coro_rss (pTHX_ struct coro *coro)	722	coro_rss (pTHX_ struct coro *coro)
694	{	723	{
695	size_t rss = sizeof (*coro);	724	size_t rss = sizeof (*coro);
696		725
697	if (coro->mainstack)	726	if (coro->mainstack)
698	{	727	{
699	perl_slots tmp_slot;
700	perl_slots *slot;
701
702	if (coro->flags & CF_RUNNING)	728	if (coro->flags & CF_RUNNING)
703	{	729	{
704	slot = &tmp_slot;	730	#define SYM(sym) PL_ ## sym
705		731	CORO_RSS;
706	#define VAR(name,type) slot->name = PL_ ## name;
707	# include "state.h"
708	#undef VAR	732	#undef SYM
709	}	733	}
710	else	734	else
711	slot = coro->slot;
712
713	if (slot)
714	{	735	{
715	rss += sizeof (slot->curstackinfo);	736	#define SYM(sym) coro->slot->sym
716	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	737	CORO_RSS;
717	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	738	#undef SYM
718	rss += slot->tmps_max * sizeof (SV *);
719	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
720	rss += slot->scopestack_max * sizeof (I32);
721	rss += slot->savestack_max * sizeof (ANY);
722
723	#if !PERL_VERSION_ATLEAST (5,10,0)
724	rss += slot->retstack_max * sizeof (OP *);
725	#endif
726	}	739	}
727	}	740	}
728		741
729	return rss;	742	return rss;
730	}	743	}
…		…
832	slf_check_nop (pTHX_ struct CoroSLF *frame)	845	slf_check_nop (pTHX_ struct CoroSLF *frame)
833	{	846	{
834	return 0;	847	return 0;
835	}	848	}
836		849
		850	static int
		851	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		852	{
		853	return 1;
		854	}
		855
837	static UNOP coro_setup_op;	856	static UNOP coro_setup_op;
838		857
839	static void NOINLINE /* noinline to keep it out of the transfer fast path */	858	static void NOINLINE /* noinline to keep it out of the transfer fast path */
840	coro_setup (pTHX_ struct coro *coro)	859	coro_setup (pTHX_ struct coro *coro)
841	{	860	{
…		…
890	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	909	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
891	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	910	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
892		911
893	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	912	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
894	coro_setup_op.op_next = PL_op;	913	coro_setup_op.op_next = PL_op;
895	coro_setup_op.op_type = OP_CUSTOM;	914	coro_setup_op.op_type = OP_ENTERSUB;
896	coro_setup_op.op_ppaddr = pp_slf;	915	coro_setup_op.op_ppaddr = pp_slf;
897	/* no flags etc. required, as an init function won't be called */	916	/* no flags etc. required, as an init function won't be called */
898		917
899	PL_op = (OP *)&coro_setup_op;	918	PL_op = (OP *)&coro_setup_op;
900		919
…		…
932	SvREFCNT_dec (PL_diehook);	951	SvREFCNT_dec (PL_diehook);
933	SvREFCNT_dec (PL_warnhook);	952	SvREFCNT_dec (PL_warnhook);
934		953
935	SvREFCNT_dec (coro->saved_deffh);	954	SvREFCNT_dec (coro->saved_deffh);
936	SvREFCNT_dec (coro->rouse_cb);	955	SvREFCNT_dec (coro->rouse_cb);
		956	SvREFCNT_dec (coro->invoke_cb);
		957	SvREFCNT_dec (coro->invoke_av);
937		958
938	coro_destruct_stacks (aTHX);	959	coro_destruct_stacks (aTHX);
939	}	960	}
940		961
941	INLINE void	962	INLINE void
…		…
951	static int	972	static int
952	runops_trace (pTHX)	973	runops_trace (pTHX)
953	{	974	{
954	COP *oldcop = 0;	975	COP *oldcop = 0;
955	int oldcxix = -2;	976	int oldcxix = -2;
956	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
957	coro_cctx *cctx = coro->cctx;
958		977
959	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	978	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
960	{	979	{
961	PERL_ASYNC_CHECK ();	980	PERL_ASYNC_CHECK ();
962		981
963	if (cctx->flags & CC_TRACE_ALL)	982	if (cctx_current->flags & CC_TRACE_ALL)
964	{	983	{
965	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	984	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
966	{	985	{
967	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	986	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
968	SV bot, top;	987	SV bot, top;
969	AV av = newAV (); / return values */	988	AV av = newAV (); / return values */
970	SV **cb;	989	SV **cb;
…		…
1007		1026
1008	if (PL_curcop != &PL_compiling)	1027	if (PL_curcop != &PL_compiling)
1009	{	1028	{
1010	SV **cb;	1029	SV **cb;
1011		1030
1012	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1031	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1013	{	1032	{
1014	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1033	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1015		1034
1016	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1035	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1017	{	1036	{
1018	runops_proc_t old_runops = PL_runops;
1019	dSP;	1037	dSP;
1020	GV *gv = CvGV (cx->blk_sub.cv);	1038	GV *gv = CvGV (cx->blk_sub.cv);
1021	SV *fullname = sv_2mortal (newSV (0));	1039	SV *fullname = sv_2mortal (newSV (0));
1022		1040
1023	if (isGV (gv))	1041	if (isGV (gv))
…		…
1041	}	1059	}
1042		1060
1043	oldcxix = cxstack_ix;	1061	oldcxix = cxstack_ix;
1044	}	1062	}
1045		1063
1046	if (cctx->flags & CC_TRACE_LINE)	1064	if (cctx_current->flags & CC_TRACE_LINE)
1047	{	1065	{
1048	dSP;	1066	dSP;
1049		1067
1050	PL_runops = RUNOPS_DEFAULT;	1068	PL_runops = RUNOPS_DEFAULT;
1051	ENTER;	1069	ENTER;
…		…
1070		1088
1071	TAINT_NOT;	1089	TAINT_NOT;
1072	return 0;	1090	return 0;
1073	}	1091	}
1074		1092
1075	static struct coro_cctx *cctx_ssl_cctx;
1076	static struct CoroSLF cctx_ssl_frame;	1093	static struct CoroSLF cctx_ssl_frame;
1077		1094
1078	static void	1095	static void
1079	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1096	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1080	{	1097	{
1081	ta->prev = (struct coro *)cctx_ssl_cctx;
1082	ta->next = 0;	1098	ta->prev = 0;
1083	}	1099	}
1084		1100
1085	static int	1101	static int
1086	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1102	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1087	{	1103	{
…		…
1090	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1106	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1091	}	1107	}
1092		1108
1093	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1109	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1094	static void NOINLINE	1110	static void NOINLINE
1095	cctx_prepare (pTHX_ coro_cctx *cctx)	1111	cctx_prepare (pTHX)
1096	{	1112	{
1097	PL_top_env = &PL_start_env;	1113	PL_top_env = &PL_start_env;
1098		1114
1099	if (cctx->flags & CC_TRACE)	1115	if (cctx_current->flags & CC_TRACE)
1100	PL_runops = runops_trace;	1116	PL_runops = runops_trace;
1101		1117
1102	/* we already must be executing an SLF op, there is no other valid way	1118	/* we already must be executing an SLF op, there is no other valid way
1103	* that can lead to creation of a new cctx */	1119	* that can lead to creation of a new cctx */
1104	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1120	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1105	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1121	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1106		1122
1107	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1123	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1108	cctx_ssl_cctx = cctx;
1109	cctx_ssl_frame = slf_frame;	1124	cctx_ssl_frame = slf_frame;
1110		1125
1111	slf_frame.prepare = slf_prepare_set_stacklevel;	1126	slf_frame.prepare = slf_prepare_set_stacklevel;
1112	slf_frame.check = slf_check_set_stacklevel;	1127	slf_frame.check = slf_check_set_stacklevel;
1113	}	1128	}
…		…
1136	/* normally we would need to skip the entersub here */	1151	/* normally we would need to skip the entersub here */
1137	/* not doing so will re-execute it, which is exactly what we want */	1152	/* not doing so will re-execute it, which is exactly what we want */
1138	/* PL_nop = PL_nop->op_next */	1153	/* PL_nop = PL_nop->op_next */
1139		1154
1140	/* inject a fake subroutine call to cctx_init */	1155	/* inject a fake subroutine call to cctx_init */
1141	cctx_prepare (aTHX_ (coro_cctx *)arg);	1156	cctx_prepare (aTHX);
1142		1157
1143	/* cctx_run is the alternative tail of transfer() */	1158	/* cctx_run is the alternative tail of transfer() */
1144	transfer_tail (aTHX);	1159	transfer_tail (aTHX);
1145		1160
1146	/* somebody or something will hit me for both perl_run and PL_restartop */	1161	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1241	cctx_destroy (coro_cctx *cctx)	1256	cctx_destroy (coro_cctx *cctx)
1242	{	1257	{
1243	if (!cctx)	1258	if (!cctx)
1244	return;	1259	return;
1245		1260
		1261	assert (cctx != cctx_current);//D temporary
		1262
1246	--cctx_count;	1263	--cctx_count;
1247	coro_destroy (&cctx->cctx);	1264	coro_destroy (&cctx->cctx);
1248		1265
1249	/* coro_transfer creates new, empty cctx's */	1266	/* coro_transfer creates new, empty cctx's */
1250	if (cctx->sptr)	1267	if (cctx->sptr)
…		…
1313	/* TODO: throwing up here is considered harmful */	1330	/* TODO: throwing up here is considered harmful */
1314		1331
1315	if (expect_true (prev != next))	1332	if (expect_true (prev != next))
1316	{	1333	{
1317	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1334	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1318	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1335	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1319		1336
1320	if (expect_false (next->flags & CF_RUNNING))	1337	if (expect_false (next->flags & CF_RUNNING))
1321	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1338	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1322		1339
1323	if (expect_false (next->flags & CF_DESTROYED))	1340	if (expect_false (next->flags & CF_DESTROYED))
…		…
1335	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1352	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1336	{	1353	{
1337	dSTACKLEVEL;	1354	dSTACKLEVEL;
1338		1355
1339	/* sometimes transfer is only called to set idle_sp */	1356	/* sometimes transfer is only called to set idle_sp */
1340	if (expect_false (!next))	1357	if (expect_false (!prev))
1341	{	1358	{
1342	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1359	cctx_current->idle_sp = STACKLEVEL;
1343	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1360	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1344	}	1361	}
1345	else if (expect_true (prev != next))	1362	else if (expect_true (prev != next))
1346	{	1363	{
1347	coro_cctx *prev__cctx;	1364	coro_cctx *cctx_prev;
1348		1365
1349	if (expect_false (prev->flags & CF_NEW))	1366	if (expect_false (prev->flags & CF_NEW))
1350	{	1367	{
1351	/* create a new empty/source context */	1368	/* create a new empty/source context */
1352	prev->cctx = cctx_new_empty ();
1353	prev->flags &= ~CF_NEW;	1369	prev->flags &= ~CF_NEW;
1354	prev->flags \|= CF_RUNNING;	1370	prev->flags \|= CF_RUNNING;
1355	}	1371	}
1356		1372
1357	prev->flags &= ~CF_RUNNING;	1373	prev->flags &= ~CF_RUNNING;
…		…
1368	coro_setup (aTHX_ next);	1384	coro_setup (aTHX_ next);
1369	}	1385	}
1370	else	1386	else
1371	load_perl (aTHX_ next);	1387	load_perl (aTHX_ next);
1372		1388
1373	prev__cctx = prev->cctx;	1389	assert (!prev->cctx);//D temporary
1374		1390
1375	/* possibly untie and reuse the cctx */	1391	/* possibly untie and reuse the cctx */
1376	if (expect_true (	1392	if (expect_true (
1377	prev__cctx->idle_sp == STACKLEVEL	1393	cctx_current->idle_sp == STACKLEVEL
1378	&& !(prev__cctx->flags & CC_TRACE)	1394	&& !(cctx_current->flags & CC_TRACE)
1379	&& !force_cctx	1395	&& !force_cctx
1380	))	1396	))
1381	{	1397	{
1382	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1398	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1383	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1399	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1384		1400
1385	prev->cctx = 0;
1386
1387	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1401	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1388	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1402	/* without this the next cctx_get might destroy the running cctx while still in use */
1389	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1403	if (expect_false (CCTX_EXPIRED (cctx_current)))
1390	if (!next->cctx)	1404	if (expect_true (!next->cctx))
1391	next->cctx = cctx_get (aTHX);	1405	next->cctx = cctx_get (aTHX);
1392		1406
1393	cctx_put (prev__cctx);	1407	cctx_put (cctx_current);
1394	}	1408	}
		1409	else
		1410	prev->cctx = cctx_current;
1395		1411
1396	++next->usecount;	1412	++next->usecount;
1397		1413
1398	if (expect_true (!next->cctx))	1414	cctx_prev = cctx_current;
1399	next->cctx = cctx_get (aTHX);	1415	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1400		1416
1401	if (expect_false (prev__cctx != next->cctx))	1417	next->cctx = 0;
		1418
		1419	if (expect_false (cctx_prev != cctx_current))
1402	{	1420	{
1403	prev__cctx->top_env = PL_top_env;	1421	cctx_prev->top_env = PL_top_env;
1404	PL_top_env = next->cctx->top_env;	1422	PL_top_env = cctx_current->top_env;
1405	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1423	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1406	}	1424	}
1407		1425
1408	transfer_tail (aTHX);	1426	transfer_tail (aTHX);
1409	}	1427	}
1410	}	1428	}
…		…
1565	{	1583	{
1566	struct coro *coro;	1584	struct coro *coro;
1567	SV *sv_hook;	1585	SV *sv_hook;
1568	void (*xs_hook)(void);	1586	void (*xs_hook)(void);
1569		1587
1570	if (SvROK (coro_sv))
1571	coro_sv = SvRV (coro_sv);
1572
1573	coro = SvSTATE (coro_sv);	1588	coro = SvSTATE (coro_sv);
1574		1589
1575	if (coro->flags & CF_READY)	1590	if (coro->flags & CF_READY)
1576	return 0;	1591	return 0;
1577		1592
…		…
1608	api_is_ready (pTHX_ SV *coro_sv)	1623	api_is_ready (pTHX_ SV *coro_sv)
1609	{	1624	{
1610	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1625	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1611	}	1626	}
1612		1627
		1628	/* expects to own a reference to next->hv */
1613	INLINE void	1629	INLINE void
1614	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1630	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1615	{	1631	{
1616	SV prev_sv, next_sv;
1617
1618	for (;;)
1619	{
1620	next_sv = coro_deq (aTHX);
1621
1622	/* nothing to schedule: call the idle handler */
1623	if (expect_false (!next_sv))
1624	{
1625	dSP;
1626
1627	ENTER;
1628	SAVETMPS;
1629
1630	PUSHMARK (SP);
1631	PUTBACK;
1632	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1633
1634	FREETMPS;
1635	LEAVE;
1636	continue;
1637	}
1638
1639	ta->next = SvSTATE_hv (next_sv);
1640
1641	/* cannot transfer to destroyed coros, skip and look for next */
1642	if (expect_false (ta->next->flags & CF_DESTROYED))
1643	{
1644	SvREFCNT_dec (next_sv);
1645	/* coro_nready has already been taken care of by destroy */
1646	continue;
1647	}
1648
1649	--coro_nready;
1650	break;
1651	}
1652
1653	/* free this only after the transfer */
1654	prev_sv = SvRV (coro_current);	1632	SV *prev_sv = SvRV (coro_current);
		1633
1655	ta->prev = SvSTATE_hv (prev_sv);	1634	ta->prev = SvSTATE_hv (prev_sv);
		1635	ta->next = next;
		1636
1656	TRANSFER_CHECK (*ta);	1637	TRANSFER_CHECK (*ta);
1657	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1638
1658	ta->next->flags &= ~CF_READY;
1659	SvRV_set (coro_current, next_sv);	1639	SvRV_set (coro_current, (SV *)next->hv);
1660		1640
1661	free_coro_mortal (aTHX);	1641	free_coro_mortal (aTHX);
1662	coro_mortal = prev_sv;	1642	coro_mortal = prev_sv;
1663	}	1643	}
1664		1644
		1645	static void
		1646	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1647	{
		1648	for (;;)
		1649	{
		1650	SV *next_sv = coro_deq (aTHX);
		1651
		1652	if (expect_true (next_sv))
		1653	{
		1654	struct coro *next = SvSTATE_hv (next_sv);
		1655
		1656	/* cannot transfer to destroyed coros, skip and look for next */
		1657	if (expect_false (next->flags & CF_DESTROYED))
		1658	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1659	else
		1660	{
		1661	next->flags &= ~CF_READY;
		1662	--coro_nready;
		1663
		1664	prepare_schedule_to (aTHX_ ta, next);
		1665	break;
		1666	}
		1667	}
		1668	else
		1669	{
		1670	/* nothing to schedule: call the idle handler */
		1671	if (SvROK (sv_idle)
		1672	&& SvOBJECT (SvRV (sv_idle)))
		1673	{
		1674	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1675	api_ready (SvRV (sv_idle));
		1676	--coro_nready;
		1677	}
		1678	else
		1679	{
		1680	dSP;
		1681
		1682	ENTER;
		1683	SAVETMPS;
		1684
		1685	PUSHMARK (SP);
		1686	PUTBACK;
		1687	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1688
		1689	FREETMPS;
		1690	LEAVE;
		1691	}
		1692	}
		1693	}
		1694	}
		1695
1665	INLINE void	1696	INLINE void
1666	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1697	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1667	{	1698	{
1668	api_ready (aTHX_ coro_current);	1699	api_ready (aTHX_ coro_current);
1669	prepare_schedule (aTHX_ ta);	1700	prepare_schedule (aTHX_ ta);
…		…
1688	{	1719	{
1689	struct coro_transfer_args ta;	1720	struct coro_transfer_args ta;
1690		1721
1691	prepare_schedule (aTHX_ &ta);	1722	prepare_schedule (aTHX_ &ta);
1692	TRANSFER (ta, 1);	1723	TRANSFER (ta, 1);
		1724	}
		1725
		1726	static void
		1727	api_schedule_to (pTHX_ SV *coro_sv)
		1728	{
		1729	struct coro_transfer_args ta;
		1730	struct coro *next = SvSTATE (coro_sv);
		1731
		1732	SvREFCNT_inc_NN (coro_sv);
		1733	prepare_schedule_to (aTHX_ &ta, next);
1693	}	1734	}
1694		1735
1695	static int	1736	static int
1696	api_cede (pTHX)	1737	api_cede (pTHX)
1697	{	1738	{
…		…
1726	static void	1767	static void
1727	api_trace (pTHX_ SV *coro_sv, int flags)	1768	api_trace (pTHX_ SV *coro_sv, int flags)
1728	{	1769	{
1729	struct coro *coro = SvSTATE (coro_sv);	1770	struct coro *coro = SvSTATE (coro_sv);
1730		1771
		1772	if (coro->flags & CF_RUNNING)
		1773	croak ("cannot enable tracing on a running coroutine, caught");
		1774
1731	if (flags & CC_TRACE)	1775	if (flags & CC_TRACE)
1732	{	1776	{
1733	if (!coro->cctx)	1777	if (!coro->cctx)
1734	coro->cctx = cctx_new_run ();	1778	coro->cctx = cctx_new_run ();
1735	else if (!(coro->cctx->flags & CC_TRACE))	1779	else if (!(coro->cctx->flags & CC_TRACE))
1736	croak ("cannot enable tracing on coroutine with custom stack,");	1780	croak ("cannot enable tracing on coroutine with custom stack, caught");
1737		1781
1738	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1782	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1739	}	1783	}
1740	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1784	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1741	{	1785	{
…		…
1746	else	1790	else
1747	coro->slot->runops = RUNOPS_DEFAULT;	1791	coro->slot->runops = RUNOPS_DEFAULT;
1748	}	1792	}
1749	}	1793	}
1750		1794
		1795	static void
		1796	coro_call_on_destroy (pTHX_ struct coro *coro)
		1797	{
		1798	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1799	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1800
		1801	if (on_destroyp)
		1802	{
		1803	AV on_destroy = (AV )SvRV (*on_destroyp);
		1804
		1805	while (AvFILLp (on_destroy) >= 0)
		1806	{
		1807	dSP; /* don't disturb outer sp */
		1808	SV *cb = av_pop (on_destroy);
		1809
		1810	PUSHMARK (SP);
		1811
		1812	if (statusp)
		1813	{
		1814	int i;
		1815	AV status = (AV )SvRV (*statusp);
		1816	EXTEND (SP, AvFILLp (status) + 1);
		1817
		1818	for (i = 0; i <= AvFILLp (status); ++i)
		1819	PUSHs (AvARRAY (status)[i]);
		1820	}
		1821
		1822	PUTBACK;
		1823	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1824	}
		1825	}
		1826	}
		1827
		1828	static void
		1829	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1830	{
		1831	int i;
		1832	HV hv = (HV )SvRV (coro_current);
		1833	AV *av = newAV ();
		1834
		1835	av_extend (av, items - 1);
		1836	for (i = 0; i < items; ++i)
		1837	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1838
		1839	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1840
		1841	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		1842	api_ready (aTHX_ sv_manager);
		1843
		1844	frame->prepare = prepare_schedule;
		1845	frame->check = slf_check_repeat;
		1846	}
		1847
		1848	/*****************************************************************************/
		1849	/* async pool handler */
		1850
		1851	static int
		1852	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1853	{
		1854	HV hv = (HV )SvRV (coro_current);
		1855	struct coro coro = (struct coro )frame->data;
		1856
		1857	if (!coro->invoke_cb)
		1858	return 1; /* loop till we have invoke */
		1859	else
		1860	{
		1861	hv_store (hv, "desc", sizeof ("desc") - 1,
		1862	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1863
		1864	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1865
		1866	{
		1867	dSP;
		1868	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1869	PUTBACK;
		1870	}
		1871
		1872	SvREFCNT_dec (GvAV (PL_defgv));
		1873	GvAV (PL_defgv) = coro->invoke_av;
		1874	coro->invoke_av = 0;
		1875
		1876	return 0;
		1877	}
		1878	}
		1879
		1880	static void
		1881	slf_init_pool_handler (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1882	{
		1883	HV hv = (HV )SvRV (coro_current);
		1884	struct coro coro = SvSTATE_hv ((SV )hv);
		1885
		1886	if (expect_true (coro->saved_deffh))
		1887	{
		1888	/* subsequent iteration */
		1889	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1890	coro->saved_deffh = 0;
		1891
		1892	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1893	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1894	{
		1895	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1896	coro->invoke_av = newAV ();
		1897
		1898	frame->prepare = prepare_nop;
		1899	}
		1900	else
		1901	{
		1902	av_clear (GvAV (PL_defgv));
		1903	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1904
		1905	coro->prio = 0;
		1906
		1907	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1908	api_trace (aTHX_ coro_current, 0);
		1909
		1910	frame->prepare = prepare_schedule;
		1911	av_push (av_async_pool, SvREFCNT_inc (hv));
		1912	}
		1913	}
		1914	else
		1915	{
		1916	/* first iteration, simply fall through */
		1917	frame->prepare = prepare_nop;
		1918	}
		1919
		1920	frame->check = slf_check_pool_handler;
		1921	frame->data = (void *)coro;
		1922	}
		1923
1751	/*****************************************************************************/	1924	/*****************************************************************************/
1752	/* rouse callback */	1925	/* rouse callback */
1753		1926
1754	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1927	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1755		1928
…		…
1760	SV data = (SV )GENSUB_ARG;	1933	SV data = (SV )GENSUB_ARG;
1761		1934
1762	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1935	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1763	{	1936	{
1764	/* first call, set args */	1937	/* first call, set args */
1765	int i;
1766	AV *av = newAV ();	1938	AV *av = newAV ();
1767	SV *coro = SvRV (data);	1939	SV *coro = SvRV (data);
1768		1940
1769	SvRV_set (data, (SV *)av);	1941	SvRV_set (data, (SV *)av);
1770	api_ready (aTHX_ coro);	1942	api_ready (aTHX_ coro);
…		…
1911	static void	2083	static void
1912	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2084	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1913	{	2085	{
1914	frame->prepare = prepare_schedule;	2086	frame->prepare = prepare_schedule;
1915	frame->check = slf_check_nop;	2087	frame->check = slf_check_nop;
		2088	}
		2089
		2090	static void
		2091	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2092	{
		2093	struct coro next = (struct coro )slf_frame.data;
		2094
		2095	SvREFCNT_inc_NN (next->hv);
		2096	prepare_schedule_to (aTHX_ ta, next);
		2097	}
		2098
		2099	static void
		2100	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2101	{
		2102	if (!items)
		2103	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2104
		2105	frame->data = (void *)SvSTATE (arg [0]);
		2106	frame->prepare = slf_prepare_schedule_to;
		2107	frame->check = slf_check_nop;
		2108	}
		2109
		2110	static void
		2111	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2112	{
		2113	api_ready (aTHX_ SvRV (coro_current));
		2114
		2115	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1916	}	2116	}
1917		2117
1918	static void	2118	static void
1919	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2119	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1920	{	2120	{
…		…
2066	}	2266	}
2067	else	2267	else
2068	slf_argc = 0;	2268	slf_argc = 0;
2069		2269
2070	PL_op->op_ppaddr = pp_slf;	2270	PL_op->op_ppaddr = pp_slf;
2071	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2271	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2072		2272
2073	PL_op = (OP *)&slf_restore;	2273	PL_op = (OP *)&slf_restore;
2074	}	2274	}
2075		2275
2076	/*****************************************************************************/	2276	/*****************************************************************************/
…		…
2395	dXSARGS;	2595	dXSARGS;
2396	AV state = (AV )GENSUB_ARG;	2596	AV state = (AV )GENSUB_ARG;
2397	SV *coro = av_pop (state);	2597	SV *coro = av_pop (state);
2398	SV *data_sv = newSV (sizeof (struct io_state));	2598	SV *data_sv = newSV (sizeof (struct io_state));
2399		2599
2400	av_extend (state, items);	2600	av_extend (state, items - 1);
2401		2601
2402	sv_upgrade (data_sv, SVt_PV);	2602	sv_upgrade (data_sv, SVt_PV);
2403	SvCUR_set (data_sv, sizeof (struct io_state));	2603	SvCUR_set (data_sv, sizeof (struct io_state));
2404	SvPOK_only (data_sv);	2604	SvPOK_only (data_sv);
2405		2605
…		…
2540	XSRETURN_EMPTY;	2740	XSRETURN_EMPTY;
2541	}	2741	}
2542		2742
2543	/*****************************************************************************/	2743	/*****************************************************************************/
2544		2744
		2745	#if CORO_CLONE
		2746	# include "clone.c"
		2747	#endif
		2748
2545	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2749	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2546		2750
2547	PROTOTYPES: DISABLE	2751	PROTOTYPES: DISABLE
2548		2752
2549	BOOT:	2753	BOOT:
…		…
2553	coro_thx = PERL_GET_CONTEXT;	2757	coro_thx = PERL_GET_CONTEXT;
2554	# endif	2758	# endif
2555	#endif	2759	#endif
2556	BOOT_PAGESIZE;	2760	BOOT_PAGESIZE;
2557		2761
		2762	cctx_current = cctx_new_empty ();
		2763
2558	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2764	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2765	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2560		2766
2561	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2767	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2562	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2768	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2581		2787
2582	{	2788	{
2583	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2789	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2584		2790
2585	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2791	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2586	hv_store_ent (PL_custom_op_names, slf,	2792	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2587	newSVpv ("coro_slf", 0), 0);
2588		2793
2589	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2794	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2590	hv_store_ent (PL_custom_op_descs, slf,	2795	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2591	newSVpv ("coro schedule like function", 0), 0);
2592	}	2796	}
2593		2797
2594	coroapi.ver = CORO_API_VERSION;	2798	coroapi.ver = CORO_API_VERSION;
2595	coroapi.rev = CORO_API_REVISION;	2799	coroapi.rev = CORO_API_REVISION;
2596		2800
…		…
2654	mg->mg_flags \|= MGf_DUP;	2858	mg->mg_flags \|= MGf_DUP;
2655	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2859	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2656		2860
2657	if (items > 1)	2861	if (items > 1)
2658	{	2862	{
2659	av_extend (coro->args, items - 1 + ix);	2863	av_extend (coro->args, items - 1 + ix - 1);
2660		2864
2661	if (ix)	2865	if (ix)
2662	{	2866	{
2663	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));	2867	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2664	cb = cv_coro_run;	2868	cb = cv_coro_run;
…		…
2689	void	2893	void
2690	_exit (int code)	2894	_exit (int code)
2691	PROTOTYPE: $	2895	PROTOTYPE: $
2692	CODE:	2896	CODE:
2693	_exit (code);	2897	_exit (code);
		2898
		2899	SV *
		2900	clone (Coro::State coro)
		2901	CODE:
		2902	{
		2903	#if CORO_CLONE
		2904	struct coro *ncoro = coro_clone (coro);
		2905	MAGIC *mg;
		2906	/* TODO: too much duplication */
		2907	ncoro->hv = newHV ();
		2908	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		2909	mg->mg_flags \|= MGf_DUP;
		2910	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2911	#else
		2912	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2913	#endif
		2914	}
		2915	OUTPUT:
		2916	RETVAL
2694		2917
2695	int	2918	int
2696	cctx_stacksize (int new_stacksize = 0)	2919	cctx_stacksize (int new_stacksize = 0)
2697	PROTOTYPE: ;$	2920	PROTOTYPE: ;$
2698	CODE:	2921	CODE:
…		…
2819		3042
2820	SV *	3043	SV *
2821	has_cctx (Coro::State coro)	3044	has_cctx (Coro::State coro)
2822	PROTOTYPE: $	3045	PROTOTYPE: $
2823	CODE:	3046	CODE:
2824	RETVAL = boolSV (!!coro->cctx);	3047	/* maybe manage the running flag differently */
		3048	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2825	OUTPUT:	3049	OUTPUT:
2826	RETVAL	3050	RETVAL
2827		3051
2828	int	3052	int
2829	is_traced (Coro::State coro)	3053	is_traced (Coro::State coro)
…		…
2849		3073
2850	void	3074	void
2851	force_cctx ()	3075	force_cctx ()
2852	PROTOTYPE:	3076	PROTOTYPE:
2853	CODE:	3077	CODE:
2854	SvSTATE_current->cctx->idle_sp = 0;	3078	cctx_current->idle_sp = 0;
2855		3079
2856	void	3080	void
2857	swap_defsv (Coro::State self)	3081	swap_defsv (Coro::State self)
2858	PROTOTYPE: $	3082	PROTOTYPE: $
2859	ALIAS:	3083	ALIAS:
…		…
2874		3098
2875	BOOT:	3099	BOOT:
2876	{	3100	{
2877	int i;	3101	int i;
2878		3102
2879	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2880	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3103	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2881	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3104	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2882	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3105	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3106	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2883	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3107	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2884	SvREADONLY_on (coro_current);	3108	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3109	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3110	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3111	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3112
		3113	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3114	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3115	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3116	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2885		3117
2886	coro_stash = gv_stashpv ("Coro", TRUE);	3118	coro_stash = gv_stashpv ("Coro", TRUE);
2887		3119
2888	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3120	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2889	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3121	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2897		3129
2898	{	3130	{
2899	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3131	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2900		3132
2901	coroapi.schedule = api_schedule;	3133	coroapi.schedule = api_schedule;
		3134	coroapi.schedule_to = api_schedule_to;
2902	coroapi.cede = api_cede;	3135	coroapi.cede = api_cede;
2903	coroapi.cede_notself = api_cede_notself;	3136	coroapi.cede_notself = api_cede_notself;
2904	coroapi.ready = api_ready;	3137	coroapi.ready = api_ready;
2905	coroapi.is_ready = api_is_ready;	3138	coroapi.is_ready = api_is_ready;
2906	coroapi.nready = coro_nready;	3139	coroapi.nready = coro_nready;
…		…
2911	SvREADONLY_on (sv);	3144	SvREADONLY_on (sv);
2912	}	3145	}
2913	}	3146	}
2914		3147
2915	void	3148	void
		3149	terminate (...)
		3150	CODE:
		3151	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3152
		3153	void
2916	schedule (...)	3154	schedule (...)
2917	CODE:	3155	CODE:
2918	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3156	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3157
		3158	void
		3159	schedule_to (...)
		3160	CODE:
		3161	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3162
		3163	void
		3164	cede_to (...)
		3165	CODE:
		3166	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2919		3167
2920	void	3168	void
2921	cede (...)	3169	cede (...)
2922	CODE:	3170	CODE:
2923	CORO_EXECUTE_SLF_XS (slf_init_cede);	3171	CORO_EXECUTE_SLF_XS (slf_init_cede);
2924		3172
2925	void	3173	void
2926	cede_notself (...)	3174	cede_notself (...)
2927	CODE:	3175	CODE:
2928	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3176	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3177
		3178	void
		3179	_cancel (Coro::State self)
		3180	CODE:
		3181	coro_state_destroy (aTHX_ self);
		3182	coro_call_on_destroy (aTHX_ self);
2929		3183
2930	void	3184	void
2931	_set_current (SV *current)	3185	_set_current (SV *current)
2932	PROTOTYPE: $	3186	PROTOTYPE: $
2933	CODE:	3187	CODE:
…		…
2978	CODE:	3232	CODE:
2979	RETVAL = coro_nready;	3233	RETVAL = coro_nready;
2980	OUTPUT:	3234	OUTPUT:
2981	RETVAL	3235	RETVAL
2982		3236
2983	# for async_pool speedup
2984	void	3237	void
2985	_pool_1 (SV *cb)	3238	_pool_handler (...)
2986	CODE:	3239	CODE:
2987	{	3240	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2988	HV hv = (HV )SvRV (coro_current);
2989	struct coro coro = SvSTATE_hv ((SV )hv);
2990	AV *defav = GvAV (PL_defgv);
2991	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2992	AV *invoke_av;
2993	int i, len;
2994		3241
2995	if (!invoke)	3242	void
		3243	async_pool (SV *cv, ...)
		3244	PROTOTYPE: &@
		3245	PPCODE:
		3246	{
		3247	HV hv = (HV )av_pop (av_async_pool);
		3248	AV *av = newAV ();
		3249	SV *cb = ST (0);
		3250	int i;
		3251
		3252	av_extend (av, items - 2);
		3253	for (i = 1; i < items; ++i)
		3254	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3255
		3256	if ((SV *)hv == &PL_sv_undef)
2996	{	3257	{
2997	SV *old = PL_diehook;	3258	PUSHMARK (SP);
2998	PL_diehook = 0;	3259	EXTEND (SP, 2);
2999	SvREFCNT_dec (old);	3260	PUSHs (sv_Coro);
3000	croak ("\3async_pool terminate\2\n");	3261	PUSHs ((SV *)cv_pool_handler);
		3262	PUTBACK;
		3263	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3264	SPAGAIN;
		3265
		3266	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3001	}	3267	}
3002		3268
3003	SvREFCNT_dec (coro->saved_deffh);
3004	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
3005
3006	hv_store (hv, "desc", sizeof ("desc") - 1,
3007	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
3008
3009	invoke_av = (AV *)SvRV (invoke);
3010	len = av_len (invoke_av);
3011
3012	sv_setsv (cb, AvARRAY (invoke_av)[0]);
3013
3014	if (len > 0)
3015	{	3269	{
3016	av_fill (defav, len - 1);	3270	struct coro *coro = SvSTATE_hv (hv);
3017	for (i = 0; i < len; ++i)	3271
3018	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3272	assert (!coro->invoke_cb);
		3273	assert (!coro->invoke_av);
		3274	coro->invoke_cb = SvREFCNT_inc (cb);
		3275	coro->invoke_av = av;
3019	}	3276	}
3020	}
3021		3277
3022	void	3278	api_ready (aTHX_ (SV *)hv);
3023	_pool_2 (SV *cb)
3024	CODE:
3025	{
3026	HV hv = (HV )SvRV (coro_current);
3027	struct coro coro = SvSTATE_hv ((SV )hv);
3028		3279
3029	sv_setsv (cb, &PL_sv_undef);	3280	if (GIMME_V != G_VOID)
3030		3281	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3031	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	3282	else
3032	coro->saved_deffh = 0;
3033
3034	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
3035	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
3036	{
3037	SV *old = PL_diehook;
3038	PL_diehook = 0;
3039	SvREFCNT_dec (old);	3283	SvREFCNT_dec (hv);
3040	croak ("\3async_pool terminate\2\n");
3041	}
3042
3043	av_clear (GvAV (PL_defgv));
3044	hv_store (hv, "desc", sizeof ("desc") - 1,
3045	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
3046
3047	coro->prio = 0;
3048
3049	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
3050	api_trace (aTHX_ coro_current, 0);
3051
3052	av_push (av_async_pool, newSVsv (coro_current));
3053	}	3284	}
3054		3285
3055	SV *	3286	SV *
3056	rouse_cb ()	3287	rouse_cb ()
3057	PROTOTYPE:	3288	PROTOTYPE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.311 by root, Thu Nov 20 01:12:08 2008 UTC vs. Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.311 by root, Thu Nov 20 01:12:08 2008 UTC vs.
Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC