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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.296 by root, Tue Nov 18 10:39:52 2008 UTC vs.
Revision 1.314 by root, Thu Nov 20 03:24:39 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
103		106
104	/* 5.8.7 */	107	/* 5.8.7 */
105	#ifndef SvRV_set	108	#ifndef SvRV_set
106	# define SvRV_set(s,v) SvRV(s) = (v)	109	# define SvRV_set(s,v) SvRV(s) = (v)
107	#endif	110	#endif
…		…
145	#define expect_true(expr) expect ((expr) != 0, 1)	148	#define expect_true(expr) expect ((expr) != 0, 1)
146		149
147	#define NOINLINE attribute ((noinline))	150	#define NOINLINE attribute ((noinline))
148		151
149	#include "CoroAPI.h"	152	#include "CoroAPI.h"
		153	#define GCoroAPI (&coroapi) /* very sneaky */
150		154
151	#ifdef USE_ITHREADS	155	#ifdef USE_ITHREADS
152	# if CORO_PTHREAD	156	# if CORO_PTHREAD
153	static void *coro_thx;	157	static void *coro_thx;
154	# endif	158	# endif
…		…
175	static HV hv_sig; / %SIG */	179	static HV hv_sig; / %SIG */
176		180
177	/* async_pool helper stuff */	181	/* async_pool helper stuff */
178	static SV *sv_pool_rss;	182	static SV *sv_pool_rss;
179	static SV *sv_pool_size;	183	static SV *sv_pool_size;
		184	static SV *sv_async_pool_idle;
180	static AV *av_async_pool;	185	static AV *av_async_pool;
		186	static SV *sv_Coro;
		187	static CV *cv_pool_handler;
		188	static CV *cv_coro_new;
181		189
182	/* Coro::AnyEvent */	190	/* Coro::AnyEvent */
183	static SV *sv_activity;	191	static SV *sv_activity;
184		192
185	static struct coro_cctx *cctx_first;	193	static struct coro_cctx *cctx_first;
…		…
245	/* state data */	253	/* state data */
246	struct CoroSLF slf_frame; /* saved slf frame */	254	struct CoroSLF slf_frame; /* saved slf frame */
247	AV *mainstack;	255	AV *mainstack;
248	perl_slots slot; / basically the saved sp */	256	perl_slots slot; / basically the saved sp */
249		257
		258	CV startcv; / the CV to execute */
250	AV args; / data associated with this coroutine (initial args) */	259	AV args; / data associated with this coroutine (initial args) */
251	int refcnt; /* coroutines are refcounted, yes */	260	int refcnt; /* coroutines are refcounted, yes */
252	int flags; /* CF_ flags */	261	int flags; /* CF_ flags */
253	HV hv; / the perl hash associated with this coro, if any */	262	HV hv; / the perl hash associated with this coro, if any */
254	void (on_destroy)(pTHX_ struct coro coro);	263	void (on_destroy)(pTHX_ struct coro coro);
255		264
256	/* statistics */	265	/* statistics */
257	int usecount; /* number of transfers to this coro */	266	int usecount; /* number of transfers to this coro */
258		267
259	/* coro process data */	268	/* coro process data */
260	int prio;	269	int prio;
261	SV throw; / exception to be thrown */	270	SV except; / exception to be thrown */
		271	SV *rouse_cb;
262		272
263	/* async_pool */	273	/* async_pool */
264	SV *saved_deffh;	274	SV *saved_deffh;
		275	SV *invoke_cb;
		276	AV *invoke_av;
265		277
266	/* linked list */	278	/* linked list */
267	struct coro next, prev;	279	struct coro next, prev;
268	};	280	};
269		281
…		…
272		284
273	/* the following variables are effectively part of the perl context */	285	/* the following variables are effectively part of the perl context */
274	/* and get copied between struct coro and these variables */	286	/* and get copied between struct coro and these variables */
275	/* the mainr easonw e don't support windows process emulation */	287	/* the mainr easonw e don't support windows process emulation */
276	static struct CoroSLF slf_frame; /* the current slf frame */	288	static struct CoroSLF slf_frame; /* the current slf frame */
277	static SV *coro_throw;
278		289
279	/ Coro ******************************************************************/	290	/ Coro ******************************************************************/
280		291
281	#define PRIO_MAX 3	292	#define PRIO_MAX 3
282	#define PRIO_HIGH 1	293	#define PRIO_HIGH 1
…		…
287		298
288	/* for Coro.pm */	299	/* for Coro.pm */
289	static SV *coro_current;	300	static SV *coro_current;
290	static SV *coro_readyhook;	301	static SV *coro_readyhook;
291	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	302	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		303	static CV cv_coro_run, cv_coro_terminate;
292	static struct coro *coro_first;	304	static struct coro *coro_first;
293	#define coro_nready coroapi.nready	305	#define coro_nready coroapi.nready
294		306
295	/ lowlevel stuff ********************************************************/	307	/ lowlevel stuff ********************************************************/
296		308
…		…
320	#if PERL_VERSION_ATLEAST (5,10,0)	332	#if PERL_VERSION_ATLEAST (5,10,0)
321	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	333	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
322	get_hv (name, create);	334	get_hv (name, create);
323	#endif	335	#endif
324	return get_hv (name, create);	336	return get_hv (name, create);
		337	}
		338
		339	/* may croak */
		340	INLINE CV *
		341	coro_sv_2cv (pTHX_ SV *sv)
		342	{
		343	HV *st;
		344	GV *gvp;
		345	return sv_2cv (sv, &st, &gvp, 0);
325	}	346	}
326		347
327	static AV *	348	static AV *
328	coro_clone_padlist (pTHX_ CV *cv)	349	coro_clone_padlist (pTHX_ CV *cv)
329	{	350	{
…		…
448	else	469	else
449	{	470	{
450	#if CORO_PREFER_PERL_FUNCTIONS	471	#if CORO_PREFER_PERL_FUNCTIONS
451	/* this is probably cleaner? but also slower! */	472	/* this is probably cleaner? but also slower! */
452	/* in practise, it seems to be less stable */	473	/* in practise, it seems to be less stable */
453	CV *cp = Perl_cv_clone (cv);	474	CV *cp = Perl_cv_clone (aTHX_ cv);
454	CvPADLIST (cv) = CvPADLIST (cp);	475	CvPADLIST (cv) = CvPADLIST (cp);
455	CvPADLIST (cp) = 0;	476	CvPADLIST (cp) = 0;
456	SvREFCNT_dec (cp);	477	SvREFCNT_dec (cp);
457	#else	478	#else
458	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	479	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
…		…
511		532
512	PUTBACK;	533	PUTBACK;
513	}	534	}
514		535
515	slf_frame = c->slf_frame;	536	slf_frame = c->slf_frame;
516	coro_throw = c->throw;	537	CORO_THROW = c->except;
517	}	538	}
518		539
519	static void	540	static void
520	save_perl (pTHX_ Coro__State c)	541	save_perl (pTHX_ Coro__State c)
521	{	542	{
522	c->throw = coro_throw;	543	c->except = CORO_THROW;
523	c->slf_frame = slf_frame;	544	c->slf_frame = slf_frame;
524		545
525	{	546	{
526	dSP;	547	dSP;
527	I32 cxix = cxstack_ix;	548	I32 cxix = cxstack_ix;
…		…
602	* of perl.c:init_stacks, except that it uses less memory	623	* of perl.c:init_stacks, except that it uses less memory
603	* on the (sometimes correct) assumption that coroutines do	624	* on the (sometimes correct) assumption that coroutines do
604	* not usually need a lot of stackspace.	625	* not usually need a lot of stackspace.
605	*/	626	*/
606	#if CORO_PREFER_PERL_FUNCTIONS	627	#if CORO_PREFER_PERL_FUNCTIONS
607	# define coro_init_stacks init_stacks	628	# define coro_init_stacks(thx) init_stacks ()
608	#else	629	#else
609	static void	630	static void
610	coro_init_stacks (pTHX)	631	coro_init_stacks (pTHX)
611	{	632	{
612	PL_curstackinfo = new_stackinfo(32, 8);	633	PL_curstackinfo = new_stackinfo(32, 8);
…		…
675	#if !PERL_VERSION_ATLEAST (5,10,0)	696	#if !PERL_VERSION_ATLEAST (5,10,0)
676	Safefree (PL_retstack);	697	Safefree (PL_retstack);
677	#endif	698	#endif
678	}	699	}
679		700
		701	#define CORO_RSS \
		702	rss += sizeof (SYM (curstackinfo)); \
		703	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		704	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		705	rss += SYM (tmps_max) * sizeof (SV *); \
		706	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		707	rss += SYM (scopestack_max) * sizeof (I32); \
		708	rss += SYM (savestack_max) * sizeof (ANY);
		709
680	static size_t	710	static size_t
681	coro_rss (pTHX_ struct coro *coro)	711	coro_rss (pTHX_ struct coro *coro)
682	{	712	{
683	size_t rss = sizeof (*coro);	713	size_t rss = sizeof (*coro);
684		714
685	if (coro->mainstack)	715	if (coro->mainstack)
686	{	716	{
687	perl_slots tmp_slot;
688	perl_slots *slot;
689
690	if (coro->flags & CF_RUNNING)	717	if (coro->flags & CF_RUNNING)
691	{	718	{
692	slot = &tmp_slot;	719	#define SYM(sym) PL_ ## sym
693		720	CORO_RSS;
694	#define VAR(name,type) slot->name = PL_ ## name;
695	# include "state.h"
696	#undef VAR	721	#undef SYM
697	}	722	}
698	else	723	else
699	slot = coro->slot;
700
701	if (slot)
702	{	724	{
703	rss += sizeof (slot->curstackinfo);	725	#define SYM(sym) coro->slot->sym
704	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	726	CORO_RSS;
705	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	727	#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	}	728	}
715	}	729	}
716		730
717	return rss;	731	return rss;
718	}	732	}
…		…
860	dSP;	874	dSP;
861	UNOP myop;	875	UNOP myop;
862		876
863	Zero (&myop, 1, UNOP);	877	Zero (&myop, 1, UNOP);
864	myop.op_next = Nullop;	878	myop.op_next = Nullop;
		879	myop.op_type = OP_ENTERSUB;
865	myop.op_flags = OPf_WANT_VOID;	880	myop.op_flags = OPf_WANT_VOID;
866		881
867	PUSHMARK (SP);	882	PUSHMARK (SP);
868	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	883	PUSHs ((SV *)coro->startcv);
869	PUTBACK;	884	PUTBACK;
870	PL_op = (OP *)&myop;	885	PL_op = (OP *)&myop;
871	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	886	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
872	SPAGAIN;
873	}	887	}
874		888
875	/* this newly created coroutine might be run on an existing cctx which most	889	/* 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.	890	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
877	*/	891	*/
…		…
880		894
881	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	895	/* 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;	896	coro_setup_op.op_next = PL_op;
883	coro_setup_op.op_type = OP_CUSTOM;	897	coro_setup_op.op_type = OP_CUSTOM;
884	coro_setup_op.op_ppaddr = pp_slf;	898	coro_setup_op.op_ppaddr = pp_slf;
885	/* no flags required, as an init function won't be called */	899	/* no flags etc. required, as an init function won't be called */
886		900
887	PL_op = (OP *)&coro_setup_op;	901	PL_op = (OP *)&coro_setup_op;
888		902
889	/* copy throw, in case it was set before coro_setup */	903	/* copy throw, in case it was set before coro_setup */
890	coro_throw = coro->throw;	904	CORO_THROW = coro->except;
891	}	905	}
892		906
893	static void	907	static void
894	coro_destruct (pTHX_ struct coro *coro)	908	coro_destruct (pTHX_ struct coro *coro)
895	{	909	{
…		…
919		933
920	SvREFCNT_dec (PL_diehook);	934	SvREFCNT_dec (PL_diehook);
921	SvREFCNT_dec (PL_warnhook);	935	SvREFCNT_dec (PL_warnhook);
922		936
923	SvREFCNT_dec (coro->saved_deffh);	937	SvREFCNT_dec (coro->saved_deffh);
924	SvREFCNT_dec (coro_throw);	938	SvREFCNT_dec (coro->rouse_cb);
		939	SvREFCNT_dec (coro->invoke_cb);
		940	SvREFCNT_dec (coro->invoke_av);
925		941
926	coro_destruct_stacks (aTHX);	942	coro_destruct_stacks (aTHX);
927	}	943	}
928		944
929	INLINE void	945	INLINE void
…		…
1016	SAVETMPS;	1032	SAVETMPS;
1017	EXTEND (SP, 3);	1033	EXTEND (SP, 3);
1018	PUSHMARK (SP);	1034	PUSHMARK (SP);
1019	PUSHs (&PL_sv_yes);	1035	PUSHs (&PL_sv_yes);
1020	PUSHs (fullname);	1036	PUSHs (fullname);
1021	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1037	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1022	PUTBACK;	1038	PUTBACK;
1023	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1039	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);	1040	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1025	SPAGAIN;	1041	SPAGAIN;
1026	FREETMPS;	1042	FREETMPS;
…		…
1132	transfer_tail (aTHX);	1148	transfer_tail (aTHX);
1133		1149
1134	/* somebody or something will hit me for both perl_run and PL_restartop */	1150	/* somebody or something will hit me for both perl_run and PL_restartop */
1135	PL_restartop = PL_op;	1151	PL_restartop = PL_op;
1136	perl_run (PL_curinterp);	1152	perl_run (PL_curinterp);
		1153	/*
		1154	* Unfortunately, there is no way to get at the return values of the
		1155	* coro body here, as perl_run destroys these
		1156	*/
1137		1157
1138	/*	1158	/*
1139	* If perl-run returns we assume exit() was being called or the coro	1159	* 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)	1160	* 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	1161	* reason for perl_run to return. We try to exit by jumping to the
…		…
1433		1453
1434	coro->slot = 0;	1454	coro->slot = 0;
1435	}	1455	}
1436		1456
1437	cctx_destroy (coro->cctx);	1457	cctx_destroy (coro->cctx);
		1458	SvREFCNT_dec (coro->startcv);
1438	SvREFCNT_dec (coro->args);	1459	SvREFCNT_dec (coro->args);
		1460	SvREFCNT_dec (CORO_THROW);
1439		1461
1440	if (coro->next) coro->next->prev = coro->prev;	1462	if (coro->next) coro->next->prev = coro->prev;
1441	if (coro->prev) coro->prev->next = coro->next;	1463	if (coro->prev) coro->prev->next = coro->next;
1442	if (coro == coro_first) coro_first = coro->next;	1464	if (coro == coro_first) coro_first = coro->next;
1443		1465
…		…
1497		1519
1498	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1520	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1499	TRANSFER (ta, 1);	1521	TRANSFER (ta, 1);
1500	}	1522	}
1501		1523
		1524	/*****************************************************************************/
		1525	/* gensub: simple closure generation utility */
		1526
		1527	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
		1528
		1529	/* create a closure from XS, returns a code reference */
		1530	/* the arg can be accessed via GENSUB_ARG from the callback */
		1531	/* the callback must use dXSARGS/XSRETURN */
		1532	static SV *
		1533	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
		1534	{
		1535	CV cv = (CV )newSV (0);
		1536
		1537	sv_upgrade ((SV *)cv, SVt_PVCV);
		1538
		1539	CvANON_on (cv);
		1540	CvISXSUB_on (cv);
		1541	CvXSUB (cv) = xsub;
		1542	GENSUB_ARG = arg;
		1543
		1544	return newRV_noinc ((SV *)cv);
		1545	}
		1546
1502	/ Coro ******************************************************************/	1547	/ Coro ******************************************************************/
1503		1548
1504	INLINE void	1549	INLINE void
1505	coro_enq (pTHX_ struct coro *coro)	1550	coro_enq (pTHX_ struct coro *coro)
1506	{	1551	{
…		…
1703	if (coro->flags & CF_RUNNING)	1748	if (coro->flags & CF_RUNNING)
1704	PL_runops = RUNOPS_DEFAULT;	1749	PL_runops = RUNOPS_DEFAULT;
1705	else	1750	else
1706	coro->slot->runops = RUNOPS_DEFAULT;	1751	coro->slot->runops = RUNOPS_DEFAULT;
1707	}	1752	}
		1753	}
		1754
		1755	/*****************************************************************************/
		1756	/* async pool handler */
		1757
		1758	static int
		1759	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1760	{
		1761	HV hv = (HV )SvRV (coro_current);
		1762	struct coro coro = (struct coro )frame->data;
		1763
		1764	if (!coro->invoke_cb)
		1765	return 1; /* loop till we have invoke */
		1766	else
		1767	{
		1768	hv_store (hv, "desc", sizeof ("desc") - 1,
		1769	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1770
		1771	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1772
		1773	{
		1774	dSP;
		1775	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1776	PUTBACK;
		1777	}
		1778
		1779	SvREFCNT_dec (GvAV (PL_defgv));
		1780	GvAV (PL_defgv) = coro->invoke_av;
		1781	coro->invoke_av = 0;
		1782
		1783	return 0;
		1784	}
		1785	}
		1786
		1787	static void
		1788	slf_init_pool_handler (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1789	{
		1790	HV hv = (HV )SvRV (coro_current);
		1791	struct coro coro = SvSTATE_hv ((SV )hv);
		1792
		1793	if (expect_true (coro->saved_deffh))
		1794	{
		1795	/* subsequent iteration */
		1796	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1797	coro->saved_deffh = 0;
		1798
		1799	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1800	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1801	{
		1802	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1803	coro->invoke_av = newAV ();
		1804
		1805	frame->prepare = prepare_nop;
		1806	}
		1807	else
		1808	{
		1809	av_clear (GvAV (PL_defgv));
		1810	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1811
		1812	coro->prio = 0;
		1813
		1814	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1815	api_trace (aTHX_ coro_current, 0);
		1816
		1817	frame->prepare = prepare_schedule;
		1818	av_push (av_async_pool, SvREFCNT_inc (hv));
		1819	}
		1820	}
		1821	else
		1822	{
		1823	/* first iteration, simply fall through */
		1824	frame->prepare = prepare_nop;
		1825	}
		1826
		1827	frame->check = slf_check_pool_handler;
		1828	frame->data = (void *)coro;
		1829	}
		1830
		1831	/*****************************************************************************/
		1832	/* rouse callback */
		1833
		1834	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
		1835
		1836	static void
		1837	coro_rouse_callback (pTHX_ CV *cv)
		1838	{
		1839	dXSARGS;
		1840	SV data = (SV )GENSUB_ARG;
		1841
		1842	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1843	{
		1844	/* first call, set args */
		1845	AV *av = newAV ();
		1846	SV *coro = SvRV (data);
		1847
		1848	SvRV_set (data, (SV *)av);
		1849	api_ready (aTHX_ coro);
		1850	SvREFCNT_dec (coro);
		1851
		1852	/* better take a full copy of the arguments */
		1853	while (items--)
		1854	av_store (av, items, newSVsv (ST (items)));
		1855	}
		1856
		1857	XSRETURN_EMPTY;
		1858	}
		1859
		1860	static int
		1861	slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
		1862	{
		1863	SV data = (SV )frame->data;
		1864
		1865	if (CORO_THROW)
		1866	return 0;
		1867
		1868	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1869	return 1;
		1870
		1871	/* now push all results on the stack */
		1872	{
		1873	dSP;
		1874	AV av = (AV )SvRV (data);
		1875	int i;
		1876
		1877	EXTEND (SP, AvFILLp (av) + 1);
		1878	for (i = 0; i <= AvFILLp (av); ++i)
		1879	PUSHs (sv_2mortal (AvARRAY (av)[i]));
		1880
		1881	/* we have stolen the elements, so ste length to zero and free */
		1882	AvFILLp (av) = -1;
		1883	av_undef (av);
		1884
		1885	PUTBACK;
		1886	}
		1887
		1888	return 0;
		1889	}
		1890
		1891	static void
		1892	slf_init_rouse_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1893	{
		1894	SV *cb;
		1895
		1896	if (items)
		1897	cb = arg [0];
		1898	else
		1899	{
		1900	struct coro *coro = SvSTATE_current;
		1901
		1902	if (!coro->rouse_cb)
		1903	croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,");
		1904
		1905	cb = sv_2mortal (coro->rouse_cb);
		1906	coro->rouse_cb = 0;
		1907	}
		1908
		1909	if (!SvROK (cb)
		1910	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV
		1911	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
		1912	croak ("Coro::rouse_wait called with illegal callback argument,");
		1913
		1914	{
		1915	CV cv = (CV )SvRV (cb); /* for GENSUB_ARG */
		1916	SV data = (SV )GENSUB_ARG;
		1917
		1918	frame->data = (void *)data;
		1919	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
		1920	frame->check = slf_check_rouse_wait;
		1921	}
		1922	}
		1923
		1924	static SV *
		1925	coro_new_rouse_cb (pTHX)
		1926	{
		1927	HV hv = (HV )SvRV (coro_current);
		1928	struct coro *coro = SvSTATE_hv (hv);
		1929	SV data = newRV_inc ((SV )hv);
		1930	SV cb = gensub (aTHX_ coro_rouse_callback, (void )data);
		1931
		1932	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
		1933	SvREFCNT_dec (data); /* magicext increases the refcount */
		1934
		1935	SvREFCNT_dec (coro->rouse_cb);
		1936	coro->rouse_cb = SvREFCNT_inc_NN (cb);
		1937
		1938	return cb;
1708	}	1939	}
1709		1940
1710	/*****************************************************************************/	1941	/*****************************************************************************/
1711	/* schedule-like-function opcode (SLF) */	1942	/* schedule-like-function opcode (SLF) */
1712		1943
…		…
1840	while (slf_frame.check (aTHX_ &slf_frame));	2071	while (slf_frame.check (aTHX_ &slf_frame));
1841		2072
1842	slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */	2073	slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
1843		2074
1844	/* exception handling */	2075	/* exception handling */
1845	if (expect_false (coro_throw))	2076	if (expect_false (CORO_THROW))
1846	{	2077	{
1847	SV *exception = sv_2mortal (coro_throw);	2078	SV *exception = sv_2mortal (CORO_THROW);
1848		2079
1849	coro_throw = 0;	2080	CORO_THROW = 0;
1850	sv_setsv (ERRSV, exception);	2081	sv_setsv (ERRSV, exception);
1851	croak (0);	2082	croak (0);
1852	}	2083	}
1853		2084
1854	/* return value handling - mostly like entersub */	2085	/* return value handling - mostly like entersub */
…		…
1995	PerlIOBuf_get_cnt,	2226	PerlIOBuf_get_cnt,
1996	PerlIOBuf_set_ptrcnt,	2227	PerlIOBuf_set_ptrcnt,
1997	};	2228	};
1998		2229
1999	/*****************************************************************************/	2230	/*****************************************************************************/
		2231	/* Coro::Semaphore & Coro::Signal */
		2232
		2233	static SV *
		2234	coro_waitarray_new (pTHX_ int count)
		2235	{
		2236	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */
		2237	AV *av = newAV ();
		2238	SV **ary;
		2239
		2240	/* unfortunately, building manually saves memory */
		2241	Newx (ary, 2, SV *);
		2242	AvALLOC (av) = ary;
		2243	/AvARRAY (av) = ary;/
		2244	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */
		2245	AvMAX (av) = 1;
		2246	AvFILLp (av) = 0;
		2247	ary [0] = newSViv (count);
		2248
		2249	return newRV_noinc ((SV *)av);
		2250	}
		2251
2000	/* Coro::Semaphore */	2252	/* semaphore */
2001		2253
2002	static void	2254	static void
2003	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)	2255	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)
2004	{	2256	{
2005	SV *count_sv = AvARRAY (av)[0];	2257	SV *count_sv = AvARRAY (av)[0];
…		…
2017	AvARRAY (av)[0] = AvARRAY (av)[1];	2269	AvARRAY (av)[0] = AvARRAY (av)[1];
2018	AvARRAY (av)[1] = count_sv;	2270	AvARRAY (av)[1] = count_sv;
2019	cb = av_shift (av);	2271	cb = av_shift (av);
2020		2272
2021	if (SvOBJECT (cb))	2273	if (SvOBJECT (cb))
		2274	{
2022	api_ready (aTHX_ cb);	2275	api_ready (aTHX_ cb);
2023	else	2276	--count;
2024	croak ("callbacks not yet supported");	2277	}
		2278	else if (SvTYPE (cb) == SVt_PVCV)
		2279	{
		2280	dSP;
		2281	PUSHMARK (SP);
		2282	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2283	PUTBACK;
		2284	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2285	}
2025		2286
2026	SvREFCNT_dec (cb);	2287	SvREFCNT_dec (cb);
2027
2028	--count;
2029	}	2288	}
2030	}	2289	}
2031		2290
2032	static void	2291	static void
2033	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2292	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2035	/* call $sem->adjust (0) to possibly wake up some other waiters */	2294	/* call $sem->adjust (0) to possibly wake up some other waiters */
2036	coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0);	2295	coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0);
2037	}	2296	}
2038		2297
2039	static int	2298	static int
2040	slf_check_semaphore_down (pTHX_ struct CoroSLF *frame)	2299	slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2041	{	2300	{
2042	AV av = (AV )frame->data;	2301	AV av = (AV )frame->data;
2043	SV *count_sv = AvARRAY (av)[0];	2302	SV *count_sv = AvARRAY (av)[0];
2044		2303
2045	/* if we are about to throw, don't actually acquire the lock, just throw */	2304	/* if we are about to throw, don't actually acquire the lock, just throw */
2046	if (coro_throw)	2305	if (CORO_THROW)
2047	return 0;	2306	return 0;
2048	else if (SvIVX (count_sv) > 0)	2307	else if (SvIVX (count_sv) > 0)
2049	{	2308	{
2050	SvSTATE_current->on_destroy = 0;	2309	SvSTATE_current->on_destroy = 0;
		2310
		2311	if (acquire)
2051	SvIVX (count_sv) = SvIVX (count_sv) - 1;	2312	SvIVX (count_sv) = SvIVX (count_sv) - 1;
		2313	else
		2314	coro_semaphore_adjust (aTHX_ av, 0);
		2315
2052	return 0;	2316	return 0;
2053	}	2317	}
2054	else	2318	else
2055	{	2319	{
2056	int i;	2320	int i;
…		…
2065	av_push (av, SvREFCNT_inc (SvRV (coro_current)));	2329	av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2066	return 1;	2330	return 1;
2067	}	2331	}
2068	}	2332	}
2069		2333
2070	static void	2334	static int
		2335	slf_check_semaphore_down (pTHX_ struct CoroSLF *frame)
		2336	{
		2337	return slf_check_semaphore_down_or_wait (aTHX_ frame, 1);
		2338	}
		2339
		2340	static int
		2341	slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame)
		2342	{
		2343	return slf_check_semaphore_down_or_wait (aTHX_ frame, 0);
		2344	}
		2345
		2346	static void
2071	slf_init_semaphore_down (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2347	slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2072	{	2348	{
2073	AV av = (AV )SvRV (arg [0]);	2349	AV av = (AV )SvRV (arg [0]);
2074		2350
2075	if (SvIVX (AvARRAY (av)[0]) > 0)	2351	if (SvIVX (AvARRAY (av)[0]) > 0)
2076	{	2352	{
…		…
2086		2362
2087	/* to avoid race conditions when a woken-up coro gets terminated */	2363	/* to avoid race conditions when a woken-up coro gets terminated */
2088	/* we arrange for a temporary on_destroy that calls adjust (0) */	2364	/* we arrange for a temporary on_destroy that calls adjust (0) */
2089	SvSTATE_current->on_destroy = coro_semaphore_on_destroy;	2365	SvSTATE_current->on_destroy = coro_semaphore_on_destroy;
2090	}	2366	}
		2367	}
2091		2368
		2369	static void
		2370	slf_init_semaphore_down (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2371	{
		2372	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2092	frame->check = slf_check_semaphore_down;	2373	frame->check = slf_check_semaphore_down;
2093
2094	}	2374	}
2095		2375
2096	/*****************************************************************************/	2376	static void
2097	/* gensub: simple closure generation utility */	2377	slf_init_semaphore_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2098
2099	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
2100
2101	/* create a closure from XS, returns a code reference */
2102	/* the arg can be accessed via GENSUB_ARG from the callback */
2103	/* the callback must use dXSARGS/XSRETURN */
2104	static SV *
2105	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
2106	{	2378	{
2107	CV cv = (CV )newSV (0);	2379	if (items >= 2)
		2380	{
		2381	/* callback form */
		2382	AV av = (AV )SvRV (arg [0]);
		2383	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2108		2384
2109	sv_upgrade ((SV *)cv, SVt_PVCV);	2385	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
2110		2386
2111	CvANON_on (cv);	2387	if (SvIVX (AvARRAY (av)[0]) > 0)
2112	CvISXSUB_on (cv);	2388	coro_semaphore_adjust (aTHX_ av, 0);
2113	CvXSUB (cv) = xsub;
2114	GENSUB_ARG = arg;
2115		2389
2116	return newRV_noinc ((SV *)cv);	2390	frame->prepare = prepare_nop;
		2391	frame->check = slf_check_nop;
		2392	}
		2393	else
		2394	{
		2395	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
		2396	frame->check = slf_check_semaphore_wait;
		2397	}
		2398	}
		2399
		2400	/* signal */
		2401
		2402	static void
		2403	coro_signal_wake (pTHX_ AV *av, int count)
		2404	{
		2405	SvIVX (AvARRAY (av)[0]) = 0;
		2406
		2407	/* now signal count waiters */
		2408	while (count > 0 && AvFILLp (av) > 0)
		2409	{
		2410	SV *cb;
		2411
		2412	/* swap first two elements so we can shift a waiter */
		2413	cb = AvARRAY (av)[0];
		2414	AvARRAY (av)[0] = AvARRAY (av)[1];
		2415	AvARRAY (av)[1] = cb;
		2416
		2417	cb = av_shift (av);
		2418
		2419	api_ready (aTHX_ cb);
		2420	sv_setiv (cb, 0); /* signal waiter */
		2421	SvREFCNT_dec (cb);
		2422
		2423	--count;
		2424	}
		2425	}
		2426
		2427	static int
		2428	slf_check_signal_wait (pTHX_ struct CoroSLF *frame)
		2429	{
		2430	/* if we are about to throw, also stop waiting */
		2431	return SvROK ((SV *)frame->data) && !CORO_THROW;
		2432	}
		2433
		2434	static void
		2435	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2436	{
		2437	AV av = (AV )SvRV (arg [0]);
		2438
		2439	if (SvIVX (AvARRAY (av)[0]))
		2440	{
		2441	SvIVX (AvARRAY (av)[0]) = 0;
		2442	frame->prepare = prepare_nop;
		2443	frame->check = slf_check_nop;
		2444	}
		2445	else
		2446	{
		2447	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */
		2448
		2449	av_push (av, waiter);
		2450
		2451	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
		2452	frame->prepare = prepare_schedule;
		2453	frame->check = slf_check_signal_wait;
		2454	}
2117	}	2455	}
2118		2456
2119	/*****************************************************************************/	2457	/*****************************************************************************/
2120	/* Coro::AIO */	2458	/* Coro::AIO */
2121		2459
…		…
2136	dXSARGS;	2474	dXSARGS;
2137	AV state = (AV )GENSUB_ARG;	2475	AV state = (AV )GENSUB_ARG;
2138	SV *coro = av_pop (state);	2476	SV *coro = av_pop (state);
2139	SV *data_sv = newSV (sizeof (struct io_state));	2477	SV *data_sv = newSV (sizeof (struct io_state));
2140		2478
2141	av_extend (state, items);	2479	av_extend (state, items - 1);
2142		2480
2143	sv_upgrade (data_sv, SVt_PV);	2481	sv_upgrade (data_sv, SVt_PV);
2144	SvCUR_set (data_sv, sizeof (struct io_state));	2482	SvCUR_set (data_sv, sizeof (struct io_state));
2145	SvPOK_only (data_sv);	2483	SvPOK_only (data_sv);
2146		2484
…		…
2174	AV state = (AV )frame->data;	2512	AV state = (AV )frame->data;
2175		2513
2176	/* if we are about to throw, return early */	2514	/* if we are about to throw, return early */
2177	/* this does not cancel the aio request, but at least */	2515	/* this does not cancel the aio request, but at least */
2178	/* it quickly returns */	2516	/* it quickly returns */
2179	if (coro_throw)	2517	if (CORO_THROW)
2180	return 0;	2518	return 0;
2181		2519
2182	/* one element that is an RV? repeat! */	2520	/* one element that is an RV? repeat! */
2183	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))	2521	if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0]))
2184	return 1;	2522	return 1;
…		…
2356	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2694	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2357	}	2695	}
2358		2696
2359	SV *	2697	SV *
2360	new (char *klass, ...)	2698	new (char *klass, ...)
		2699	ALIAS:
		2700	Coro::new = 1
2361	CODE:	2701	CODE:
2362	{	2702	{
2363	struct coro *coro;	2703	struct coro *coro;
2364	MAGIC *mg;	2704	MAGIC *mg;
2365	HV *hv;	2705	HV *hv;
		2706	CV *cb;
2366	int i;	2707	int i;
		2708
		2709	if (items > 1)
		2710	{
		2711	cb = coro_sv_2cv (aTHX_ ST (1));
		2712
		2713	if (!ix)
		2714	{
		2715	if (CvISXSUB (cb))
		2716	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2717
		2718	if (!CvROOT (cb))
		2719	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2720	}
		2721	}
2367		2722
2368	Newz (0, coro, 1, struct coro);	2723	Newz (0, coro, 1, struct coro);
2369	coro->args = newAV ();	2724	coro->args = newAV ();
2370	coro->flags = CF_NEW;	2725	coro->flags = CF_NEW;
2371		2726
…		…
2376	coro->hv = hv = newHV ();	2731	coro->hv = hv = newHV ();
2377	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);	2732	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
2378	mg->mg_flags \|= MGf_DUP;	2733	mg->mg_flags \|= MGf_DUP;
2379	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2734	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2380		2735
		2736	if (items > 1)
		2737	{
2381	av_extend (coro->args, items - 1);	2738	av_extend (coro->args, items - 1 + ix - 1);
		2739
		2740	if (ix)
		2741	{
		2742	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2743	cb = cv_coro_run;
		2744	}
		2745
		2746	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);
		2747
2382	for (i = 1; i < items; i++)	2748	for (i = 2; i < items; i++)
2383	av_push (coro->args, newSVsv (ST (i)));	2749	av_push (coro->args, newSVsv (ST (i)));
		2750	}
2384	}	2751	}
2385	OUTPUT:	2752	OUTPUT:
2386	RETVAL	2753	RETVAL
2387		2754
2388	void	2755	void
…		…
2517	throw (Coro::State self, SV *throw = &PL_sv_undef)	2884	throw (Coro::State self, SV *throw = &PL_sv_undef)
2518	PROTOTYPE: $;$	2885	PROTOTYPE: $;$
2519	CODE:	2886	CODE:
2520	{	2887	{
2521	struct coro *current = SvSTATE_current;	2888	struct coro *current = SvSTATE_current;
2522	SV **throwp = self == current ? &coro_throw : &self->throw;	2889	SV **throwp = self == current ? &CORO_THROW : &self->except;
2523	SvREFCNT_dec (*throwp);	2890	SvREFCNT_dec (*throwp);
2524	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	2891	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
2525	}	2892	}
2526		2893
2527	void	2894	void
…		…
2586		2953
2587	BOOT:	2954	BOOT:
2588	{	2955	{
2589	int i;	2956	int i;
2590		2957
2591	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	2958	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2592	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2959	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2593	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2960	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2594		2961	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		2962	cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);
2595	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2963	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);
2596	SvREADONLY_on (coro_current);	2964	SvREADONLY_on (coro_current);
		2965
		2966	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		2967	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		2968	cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);
		2969	cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new);
2597		2970
2598	coro_stash = gv_stashpv ("Coro", TRUE);	2971	coro_stash = gv_stashpv ("Coro", TRUE);
2599		2972
2600	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2973	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2601	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	2974	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2616	coroapi.ready = api_ready;	2989	coroapi.ready = api_ready;
2617	coroapi.is_ready = api_is_ready;	2990	coroapi.is_ready = api_is_ready;
2618	coroapi.nready = coro_nready;	2991	coroapi.nready = coro_nready;
2619	coroapi.current = coro_current;	2992	coroapi.current = coro_current;
2620		2993
2621	GCoroAPI = &coroapi;	2994	/GCoroAPI = &coroapi;/
2622	sv_setiv (sv, (IV)&coroapi);	2995	sv_setiv (sv, (IV)&coroapi);
2623	SvREADONLY_on (sv);	2996	SvREADONLY_on (sv);
2624	}	2997	}
2625	}	2998	}
2626		2999
…		…
2690	CODE:	3063	CODE:
2691	RETVAL = coro_nready;	3064	RETVAL = coro_nready;
2692	OUTPUT:	3065	OUTPUT:
2693	RETVAL	3066	RETVAL
2694		3067
2695	# for async_pool speedup
2696	void	3068	void
2697	_pool_1 (SV *cb)	3069	_pool_handler (...)
2698	CODE:	3070	CODE:
2699	{	3071	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2700	HV hv = (HV )SvRV (coro_current);
2701	struct coro coro = SvSTATE_hv ((SV )hv);
2702	AV *defav = GvAV (PL_defgv);
2703	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2704	AV *invoke_av;
2705	int i, len;
2706		3072
2707	if (!invoke)	3073	void
		3074	async_pool (SV *cv, ...)
		3075	PROTOTYPE: &@
		3076	PPCODE:
		3077	{
		3078	HV hv = (HV )av_pop (av_async_pool);
		3079	AV *av = newAV ();
		3080	SV *cb = ST (0);
		3081	int i;
		3082
		3083	av_extend (av, items - 2);
		3084	for (i = 1; i < items; ++i)
		3085	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3086
		3087	if ((SV *)hv == &PL_sv_undef)
2708	{	3088	{
2709	SV *old = PL_diehook;	3089	PUSHMARK (SP);
2710	PL_diehook = 0;	3090	EXTEND (SP, 2);
2711	SvREFCNT_dec (old);	3091	PUSHs (sv_Coro);
2712	croak ("\3async_pool terminate\2\n");	3092	PUSHs ((SV *)cv_pool_handler);
		3093	PUTBACK;
		3094	call_sv ((SV *)cv_coro_new, G_SCALAR);
		3095	SPAGAIN;
		3096
		3097	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2713	}	3098	}
2714		3099
2715	SvREFCNT_dec (coro->saved_deffh);
2716	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2717
2718	hv_store (hv, "desc", sizeof ("desc") - 1,
2719	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2720
2721	invoke_av = (AV *)SvRV (invoke);
2722	len = av_len (invoke_av);
2723
2724	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2725
2726	if (len > 0)
2727	{	3100	{
2728	av_fill (defav, len - 1);	3101	struct coro *coro = SvSTATE_hv (hv);
2729	for (i = 0; i < len; ++i)	3102
2730	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3103	assert (!coro->invoke_cb);
		3104	assert (!coro->invoke_av);
		3105	coro->invoke_cb = SvREFCNT_inc (cb);
		3106	coro->invoke_av = av;
2731	}	3107	}
		3108
		3109	api_ready (aTHX_ (SV *)hv);
		3110
		3111	if (GIMME_V != G_VOID)
		3112	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
		3113	else
		3114	SvREFCNT_dec (hv);
2732	}	3115	}
		3116
		3117	SV *
		3118	rouse_cb ()
		3119	PROTOTYPE:
		3120	CODE:
		3121	RETVAL = coro_new_rouse_cb (aTHX);
		3122	OUTPUT:
		3123	RETVAL
2733		3124
2734	void	3125	void
2735	_pool_2 (SV *cb)	3126	rouse_wait (...)
		3127	PROTOTYPE: ;$
2736	CODE:	3128	PPCODE:
2737	{	3129	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2738	HV hv = (HV )SvRV (coro_current);
2739	struct coro coro = SvSTATE_hv ((SV )hv);
2740
2741	sv_setsv (cb, &PL_sv_undef);
2742
2743	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
2744	coro->saved_deffh = 0;
2745
2746	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2747	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2748	{
2749	SV *old = PL_diehook;
2750	PL_diehook = 0;
2751	SvREFCNT_dec (old);
2752	croak ("\3async_pool terminate\2\n");
2753	}
2754
2755	av_clear (GvAV (PL_defgv));
2756	hv_store (hv, "desc", sizeof ("desc") - 1,
2757	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2758
2759	coro->prio = 0;
2760
2761	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2762	api_trace (aTHX_ coro_current, 0);
2763
2764	av_push (av_async_pool, newSVsv (coro_current));
2765	}
2766		3130
2767		3131
2768	MODULE = Coro::State PACKAGE = PerlIO::cede	3132	MODULE = Coro::State PACKAGE = PerlIO::cede
2769		3133
2770	BOOT:	3134	BOOT:
…		…
2772		3136
2773		3137
2774	MODULE = Coro::State PACKAGE = Coro::Semaphore	3138	MODULE = Coro::State PACKAGE = Coro::Semaphore
2775		3139
2776	SV *	3140	SV *
2777	new (SV klass, SV count_ = 0)	3141	new (SV klass, SV count = 0)
2778	CODE:	3142	CODE:
2779	{	3143	RETVAL = sv_bless (
2780	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	3144	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),
2781	AV *av = newAV ();	3145	GvSTASH (CvGV (cv))
2782	SV **ary;	3146	);
		3147	OUTPUT:
		3148	RETVAL
2783		3149
2784	/* unfortunately, building manually saves memory */	3150	# helper for Coro::Channel
2785	Newx (ary, 2, SV *);	3151	SV *
2786	AvALLOC (av) = ary;	3152	_alloc (int count)
2787	AvARRAY (av) = ary;	3153	CODE:
2788	AvMAX (av) = 1;	3154	RETVAL = coro_waitarray_new (aTHX_ count);
2789	AvFILLp (av) = 0;
2790	ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1);
2791
2792	RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv)));
2793	}
2794	OUTPUT:	3155	OUTPUT:
2795	RETVAL	3156	RETVAL
2796		3157
2797	SV *	3158	SV *
2798	count (SV *self)	3159	count (SV *self)
…		…
2807	adjust = 1	3168	adjust = 1
2808	CODE:	3169	CODE:
2809	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3170	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
2810		3171
2811	void	3172	void
2812	down (SV *self)	3173	down (...)
2813	CODE:	3174	CODE:
2814	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3175	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
		3176
		3177	void
		3178	wait (...)
		3179	CODE:
		3180	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2815		3181
2816	void	3182	void
2817	try (SV *self)	3183	try (SV *self)
2818	PPCODE:	3184	PPCODE:
2819	{	3185	{
…		…
2831	XSRETURN_NO;	3197	XSRETURN_NO;
2832	}	3198	}
2833		3199
2834	void	3200	void
2835	waiters (SV *self)	3201	waiters (SV *self)
2836	CODE:	3202	PPCODE:
2837	{	3203	{
2838	AV av = (AV )SvRV (self);	3204	AV av = (AV )SvRV (self);
		3205	int wcount = AvFILLp (av) + 1 - 1;
2839		3206
2840	if (GIMME_V == G_SCALAR)	3207	if (GIMME_V == G_SCALAR)
2841	XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0])));	3208	XPUSHs (sv_2mortal (newSViv (wcount)));
2842	else	3209	else
2843	{	3210	{
2844	int i;	3211	int i;
2845	EXTEND (SP, AvFILLp (av) + 1 - 1);	3212	EXTEND (SP, wcount);
2846	for (i = 1; i <= AvFILLp (av); ++i)	3213	for (i = 1; i <= wcount; ++i)
2847	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3214	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
2848	}	3215	}
2849	}	3216	}
		3217
		3218	MODULE = Coro::State PACKAGE = Coro::Signal
		3219
		3220	SV *
		3221	new (SV *klass)
		3222	CODE:
		3223	RETVAL = sv_bless (
		3224	coro_waitarray_new (aTHX_ 0),
		3225	GvSTASH (CvGV (cv))
		3226	);
		3227	OUTPUT:
		3228	RETVAL
		3229
		3230	void
		3231	wait (...)
		3232	CODE:
		3233	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
		3234
		3235	void
		3236	broadcast (SV *self)
		3237	CODE:
		3238	{
		3239	AV av = (AV )SvRV (self);
		3240	coro_signal_wake (aTHX_ av, AvFILLp (av));
		3241	}
		3242
		3243	void
		3244	send (SV *self)
		3245	CODE:
		3246	{
		3247	AV av = (AV )SvRV (self);
		3248
		3249	if (AvFILLp (av))
		3250	coro_signal_wake (aTHX_ av, 1);
		3251	else
		3252	SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
		3253	}
		3254
		3255	IV
		3256	awaited (SV *self)
		3257	CODE:
		3258	RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
		3259	OUTPUT:
		3260	RETVAL
2850		3261
2851		3262
2852	MODULE = Coro::State PACKAGE = Coro::AnyEvent	3263	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2853		3264
2854	BOOT:	3265	BOOT:
…		…
2882		3293
2883	void	3294	void
2884	_register (char target, char proto, SV *req)	3295	_register (char target, char proto, SV *req)
2885	CODE:	3296	CODE:
2886	{	3297	{
2887	HV *st;	3298	CV *req_cv = coro_sv_2cv (aTHX_ req);
2888	GV *gvp;
2889	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
2890	/* newXSproto doesn't return the CV on 5.8 */	3299	/* newXSproto doesn't return the CV on 5.8 */
2891	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3300	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
2892	sv_setpv ((SV *)slf_cv, proto);	3301	sv_setpv ((SV *)slf_cv, proto);
2893	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3302	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
2894	}	3303	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.296 by root, Tue Nov 18 10:39:52 2008 UTC vs. Revision 1.314 by root, Thu Nov 20 03:24:39 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.296 by root, Tue Nov 18 10:39:52 2008 UTC vs.
Revision 1.314 by root, Thu Nov 20 03:24:39 2008 UTC