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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.298 by root, Tue Nov 18 23:20:41 2008 UTC vs.
Revision 1.307 by root, Wed Nov 19 14:34:46 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
…		…
246	/* state data */	246	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	247	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	248	AV *mainstack;
249	perl_slots slot; / basically the saved sp */	249	perl_slots slot; / basically the saved sp */
250		250
		251	CV startcv; / the CV to execute */
251	AV args; / data associated with this coroutine (initial args) */	252	AV args; / data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	253	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	254	int flags; /* CF_ flags */
254	HV hv; / the perl hash associated with this coro, if any */	255	HV hv; / the perl hash associated with this coro, if any */
255	void (on_destroy)(pTHX_ struct coro coro);	256	void (on_destroy)(pTHX_ struct coro coro);
256		257
257	/* statistics */	258	/* statistics */
258	int usecount; /* number of transfers to this coro */	259	int usecount; /* number of transfers to this coro */
259		260
260	/* coro process data */	261	/* coro process data */
261	int prio;	262	int prio;
262	SV except; / exception to be thrown */	263	SV except; / exception to be thrown */
		264	SV *rouse_cb;
263		265
264	/* async_pool */	266	/* async_pool */
265	SV *saved_deffh;	267	SV *saved_deffh;
266		268
267	/* linked list */	269	/* linked list */
…		…
320	#if PERL_VERSION_ATLEAST (5,10,0)	322	#if PERL_VERSION_ATLEAST (5,10,0)
321	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	323	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
322	get_hv (name, create);	324	get_hv (name, create);
323	#endif	325	#endif
324	return get_hv (name, create);	326	return get_hv (name, create);
		327	}
		328
		329	/* may croak */
		330	INLINE CV *
		331	coro_sv_2cv (SV *sv)
		332	{
		333	HV *st;
		334	GV *gvp;
		335	return sv_2cv (sv, &st, &gvp, 0);
325	}	336	}
326		337
327	static AV *	338	static AV *
328	coro_clone_padlist (pTHX_ CV *cv)	339	coro_clone_padlist (pTHX_ CV *cv)
329	{	340	{
…		…
448	else	459	else
449	{	460	{
450	#if CORO_PREFER_PERL_FUNCTIONS	461	#if CORO_PREFER_PERL_FUNCTIONS
451	/* this is probably cleaner? but also slower! */	462	/* this is probably cleaner? but also slower! */
452	/* in practise, it seems to be less stable */	463	/* in practise, it seems to be less stable */
453	CV *cp = Perl_cv_clone (cv);	464	CV *cp = Perl_cv_clone (aTHX_ cv);
454	CvPADLIST (cv) = CvPADLIST (cp);	465	CvPADLIST (cv) = CvPADLIST (cp);
455	CvPADLIST (cp) = 0;	466	CvPADLIST (cp) = 0;
456	SvREFCNT_dec (cp);	467	SvREFCNT_dec (cp);
457	#else	468	#else
458	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	469	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
…		…
602	* of perl.c:init_stacks, except that it uses less memory	613	* of perl.c:init_stacks, except that it uses less memory
603	* on the (sometimes correct) assumption that coroutines do	614	* on the (sometimes correct) assumption that coroutines do
604	* not usually need a lot of stackspace.	615	* not usually need a lot of stackspace.
605	*/	616	*/
606	#if CORO_PREFER_PERL_FUNCTIONS	617	#if CORO_PREFER_PERL_FUNCTIONS
607	# define coro_init_stacks init_stacks	618	# define coro_init_stacks(thx) init_stacks ()
608	#else	619	#else
609	static void	620	static void
610	coro_init_stacks (pTHX)	621	coro_init_stacks (pTHX)
611	{	622	{
612	PL_curstackinfo = new_stackinfo(32, 8);	623	PL_curstackinfo = new_stackinfo(32, 8);
…		…
918	SvREFCNT_dec (GvSV (irsgv));	929	SvREFCNT_dec (GvSV (irsgv));
919		930
920	SvREFCNT_dec (PL_diehook);	931	SvREFCNT_dec (PL_diehook);
921	SvREFCNT_dec (PL_warnhook);	932	SvREFCNT_dec (PL_warnhook);
922		933
		934	SvREFCNT_dec (CORO_THROW);
923	SvREFCNT_dec (coro->saved_deffh);	935	SvREFCNT_dec (coro->saved_deffh);
924	SvREFCNT_dec (CORO_THROW);	936	SvREFCNT_dec (coro->rouse_cb);
925		937
926	coro_destruct_stacks (aTHX);	938	coro_destruct_stacks (aTHX);
927	}	939	}
928		940
929	INLINE void	941	INLINE void
…		…
1016	SAVETMPS;	1028	SAVETMPS;
1017	EXTEND (SP, 3);	1029	EXTEND (SP, 3);
1018	PUSHMARK (SP);	1030	PUSHMARK (SP);
1019	PUSHs (&PL_sv_yes);	1031	PUSHs (&PL_sv_yes);
1020	PUSHs (fullname);	1032	PUSHs (fullname);
1021	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1033	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1022	PUTBACK;	1034	PUTBACK;
1023	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1035	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);	1036	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1025	SPAGAIN;	1037	SPAGAIN;
1026	FREETMPS;	1038	FREETMPS;
…		…
1433		1445
1434	coro->slot = 0;	1446	coro->slot = 0;
1435	}	1447	}
1436		1448
1437	cctx_destroy (coro->cctx);	1449	cctx_destroy (coro->cctx);
		1450	SvREFCNT_dec (coro->startcv);
1438	SvREFCNT_dec (coro->args);	1451	SvREFCNT_dec (coro->args);
1439		1452
1440	if (coro->next) coro->next->prev = coro->prev;	1453	if (coro->next) coro->next->prev = coro->prev;
1441	if (coro->prev) coro->prev->next = coro->next;	1454	if (coro->prev) coro->prev->next = coro->next;
1442	if (coro == coro_first) coro_first = coro->next;	1455	if (coro == coro_first) coro_first = coro->next;
…		…
1497		1510
1498	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1511	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1499	TRANSFER (ta, 1);	1512	TRANSFER (ta, 1);
1500	}	1513	}
1501		1514
		1515	/*****************************************************************************/
		1516	/* gensub: simple closure generation utility */
		1517
		1518	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
		1519
		1520	/* create a closure from XS, returns a code reference */
		1521	/* the arg can be accessed via GENSUB_ARG from the callback */
		1522	/* the callback must use dXSARGS/XSRETURN */
		1523	static SV *
		1524	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
		1525	{
		1526	CV cv = (CV )newSV (0);
		1527
		1528	sv_upgrade ((SV *)cv, SVt_PVCV);
		1529
		1530	CvANON_on (cv);
		1531	CvISXSUB_on (cv);
		1532	CvXSUB (cv) = xsub;
		1533	GENSUB_ARG = arg;
		1534
		1535	return newRV_noinc ((SV *)cv);
		1536	}
		1537
1502	/ Coro ******************************************************************/	1538	/ Coro ******************************************************************/
1503		1539
1504	INLINE void	1540	INLINE void
1505	coro_enq (pTHX_ struct coro *coro)	1541	coro_enq (pTHX_ struct coro *coro)
1506	{	1542	{
…		…
1703	if (coro->flags & CF_RUNNING)	1739	if (coro->flags & CF_RUNNING)
1704	PL_runops = RUNOPS_DEFAULT;	1740	PL_runops = RUNOPS_DEFAULT;
1705	else	1741	else
1706	coro->slot->runops = RUNOPS_DEFAULT;	1742	coro->slot->runops = RUNOPS_DEFAULT;
1707	}	1743	}
		1744	}
		1745
		1746	/*****************************************************************************/
		1747	/* rouse callback */
		1748
		1749	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
		1750
		1751	static void
		1752	coro_rouse_callback (pTHX_ CV *cv)
		1753	{
		1754	dXSARGS;
		1755	SV data = (SV )GENSUB_ARG;
		1756
		1757	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1758	{
		1759	/* first call, set args */
		1760	int i;
		1761	AV *av = newAV ();
		1762	SV *coro = SvRV (data);
		1763
		1764	SvRV_set (data, (SV *)av);
		1765	api_ready (aTHX_ coro);
		1766	SvREFCNT_dec (coro);
		1767
		1768	/* better take a full copy of the arguments */
		1769	while (items--)
		1770	av_store (av, items, newSVsv (ST (items)));
		1771	}
		1772
		1773	XSRETURN_EMPTY;
		1774	}
		1775
		1776	static int
		1777	slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
		1778	{
		1779	SV data = (SV )frame->data;
		1780
		1781	if (CORO_THROW)
		1782	return 0;
		1783
		1784	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1785	return 1;
		1786
		1787	/* now push all results on the stack */
		1788	{
		1789	dSP;
		1790	AV av = (AV )SvRV (data);
		1791	int i;
		1792
		1793	EXTEND (SP, AvFILLp (av) + 1);
		1794	for (i = 0; i <= AvFILLp (av); ++i)
		1795	PUSHs (sv_2mortal (AvARRAY (av)[i]));
		1796
		1797	/* we have stolen the elements, so ste length to zero and free */
		1798	AvFILLp (av) = -1;
		1799	av_undef (av);
		1800
		1801	PUTBACK;
		1802	}
		1803
		1804	return 0;
		1805	}
		1806
		1807	static void
		1808	slf_init_rouse_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1809	{
		1810	SV *cb;
		1811
		1812	if (items)
		1813	cb = arg [0];
		1814	else
		1815	{
		1816	struct coro *coro = SvSTATE_current;
		1817
		1818	if (!coro->rouse_cb)
		1819	croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,");
		1820
		1821	cb = sv_2mortal (coro->rouse_cb);
		1822	coro->rouse_cb = 0;
		1823	}
		1824
		1825	if (!SvROK (cb)
		1826	\|\| SvTYPE (SvRV (cb)) != SVt_PVCV
		1827	\|\| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
		1828	croak ("Coro::rouse_wait called with illegal callback argument,");
		1829
		1830	{
		1831	CV cv = (CV )SvRV (cb); /* for GENSUB_ARG */
		1832	SV data = (SV )GENSUB_ARG;
		1833
		1834	frame->data = (void *)data;
		1835	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
		1836	frame->check = slf_check_rouse_wait;
		1837	}
		1838	}
		1839
		1840	static SV *
		1841	coro_new_rouse_cb (pTHX)
		1842	{
		1843	HV hv = (HV )SvRV (coro_current);
		1844	struct coro *coro = SvSTATE_hv (hv);
		1845	SV data = newRV_inc ((SV )hv);
		1846	SV cb = gensub (aTHX_ coro_rouse_callback, (void )data);
		1847
		1848	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
		1849	SvREFCNT_dec (data); /* magicext increases the refcount */
		1850
		1851	SvREFCNT_dec (coro->rouse_cb);
		1852	coro->rouse_cb = SvREFCNT_inc_NN (cb);
		1853
		1854	return cb;
1708	}	1855	}
1709		1856
1710	/*****************************************************************************/	1857	/*****************************************************************************/
1711	/* schedule-like-function opcode (SLF) */	1858	/* schedule-like-function opcode (SLF) */
1712		1859
…		…
1995	PerlIOBuf_get_cnt,	2142	PerlIOBuf_get_cnt,
1996	PerlIOBuf_set_ptrcnt,	2143	PerlIOBuf_set_ptrcnt,
1997	};	2144	};
1998		2145
1999	/*****************************************************************************/	2146	/*****************************************************************************/
		2147	/* Coro::Semaphore & Coro::Signal */
		2148
		2149	static SV *
		2150	coro_waitarray_new (pTHX_ int count)
		2151	{
		2152	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */
		2153	AV *av = newAV ();
		2154	SV **ary;
		2155
		2156	/* unfortunately, building manually saves memory */
		2157	Newx (ary, 2, SV *);
		2158	AvALLOC (av) = ary;
		2159	/AvARRAY (av) = ary;/
		2160	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */
		2161	AvMAX (av) = 1;
		2162	AvFILLp (av) = 0;
		2163	ary [0] = newSViv (count);
		2164
		2165	return newRV_noinc ((SV *)av);
		2166	}
		2167
2000	/* Coro::Semaphore */	2168	/* semaphore */
2001		2169
2002	static void	2170	static void
2003	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)	2171	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)
2004	{	2172	{
2005	SV *count_sv = AvARRAY (av)[0];	2173	SV *count_sv = AvARRAY (av)[0];
…		…
2017	AvARRAY (av)[0] = AvARRAY (av)[1];	2185	AvARRAY (av)[0] = AvARRAY (av)[1];
2018	AvARRAY (av)[1] = count_sv;	2186	AvARRAY (av)[1] = count_sv;
2019	cb = av_shift (av);	2187	cb = av_shift (av);
2020		2188
2021	if (SvOBJECT (cb))	2189	if (SvOBJECT (cb))
		2190	{
2022	api_ready (aTHX_ cb);	2191	api_ready (aTHX_ cb);
2023	else	2192	--count;
2024	croak ("callbacks not yet supported");	2193	}
		2194	else if (SvTYPE (cb) == SVt_PVCV)
		2195	{
		2196	dSP;
		2197	PUSHMARK (SP);
		2198	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2199	PUTBACK;
		2200	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2201	}
2025		2202
2026	SvREFCNT_dec (cb);	2203	SvREFCNT_dec (cb);
2027
2028	--count;
2029	}	2204	}
2030	}	2205	}
2031		2206
2032	static void	2207	static void
2033	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2208	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2115	}	2290	}
2116		2291
2117	static void	2292	static void
2118	slf_init_semaphore_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2293	slf_init_semaphore_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2119	{	2294	{
		2295	if (items >= 2)
		2296	{
		2297	/* callback form */
		2298	AV av = (AV )SvRV (arg [0]);
		2299	CV *cb_cv = coro_sv_2cv (arg [1]);
		2300
		2301	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2302
		2303	if (SvIVX (AvARRAY (av)[0]) > 0)
		2304	coro_semaphore_adjust (aTHX_ av, 0);
		2305
		2306	frame->prepare = prepare_nop;
		2307	frame->check = slf_check_nop;
		2308	}
		2309	else
		2310	{
2120	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2311	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2121	frame->check = slf_check_semaphore_wait;	2312	frame->check = slf_check_semaphore_wait;
		2313	}
2122	}	2314	}
2123		2315
2124	/*****************************************************************************/	2316	/* signal */
2125	/* gensub: simple closure generation utility */
2126		2317
2127	#define GENSUB_ARG CvXSUBANY (cv).any_ptr	2318	static void
2128		2319	coro_signal_wake (pTHX_ AV *av, int count)
2129	/* create a closure from XS, returns a code reference */
2130	/* the arg can be accessed via GENSUB_ARG from the callback */
2131	/* the callback must use dXSARGS/XSRETURN */
2132	static SV *
2133	gensub (pTHX_ void (xsub)(pTHX_ CV ), void *arg)
2134	{	2320	{
2135	CV cv = (CV )newSV (0);	2321	SvIVX (AvARRAY (av)[0]) = 0;
2136		2322
2137	sv_upgrade ((SV *)cv, SVt_PVCV);	2323	/* now signal count waiters */
		2324	while (count > 0 && AvFILLp (av) > 0)
		2325	{
		2326	SV *cb;
2138		2327
2139	CvANON_on (cv);	2328	/* swap first two elements so we can shift a waiter */
2140	CvISXSUB_on (cv);	2329	cb = AvARRAY (av)[0];
2141	CvXSUB (cv) = xsub;	2330	AvARRAY (av)[0] = AvARRAY (av)[1];
2142	GENSUB_ARG = arg;	2331	AvARRAY (av)[1] = cb;
2143		2332
2144	return newRV_noinc ((SV *)cv);	2333	cb = av_shift (av);
		2334
		2335	api_ready (aTHX_ cb);
		2336	sv_setiv (cb, 0); /* signal waiter */
		2337	SvREFCNT_dec (cb);
		2338
		2339	--count;
		2340	}
		2341	}
		2342
		2343	static int
		2344	slf_check_signal_wait (pTHX_ struct CoroSLF *frame)
		2345	{
		2346	/* if we are about to throw, also stop waiting */
		2347	return SvROK ((SV *)frame->data) && !CORO_THROW;
		2348	}
		2349
		2350	static void
		2351	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2352	{
		2353	AV av = (AV )SvRV (arg [0]);
		2354
		2355	if (SvIVX (AvARRAY (av)[0]))
		2356	{
		2357	SvIVX (AvARRAY (av)[0]) = 0;
		2358	frame->prepare = prepare_nop;
		2359	frame->check = slf_check_nop;
		2360	}
		2361	else
		2362	{
		2363	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */
		2364
		2365	av_push (av, waiter);
		2366
		2367	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
		2368	frame->prepare = prepare_schedule;
		2369	frame->check = slf_check_signal_wait;
		2370	}
2145	}	2371	}
2146		2372
2147	/*****************************************************************************/	2373	/*****************************************************************************/
2148	/* Coro::AIO */	2374	/* Coro::AIO */
2149		2375
…		…
2389	CODE:	2615	CODE:
2390	{	2616	{
2391	struct coro *coro;	2617	struct coro *coro;
2392	MAGIC *mg;	2618	MAGIC *mg;
2393	HV *hv;	2619	HV *hv;
		2620	CV *cb;
2394	int i;	2621	int i;
		2622
		2623	if (items > 1)
		2624	{
		2625	cb = coro_sv_2cv (ST (1));
		2626
		2627	if (CvISXSUB (cb))
		2628	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2629
		2630	if (!CvROOT (cb))
		2631	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2632	}
2395		2633
2396	Newz (0, coro, 1, struct coro);	2634	Newz (0, coro, 1, struct coro);
2397	coro->args = newAV ();	2635	coro->args = newAV ();
2398	coro->flags = CF_NEW;	2636	coro->flags = CF_NEW;
2399		2637
…		…
2404	coro->hv = hv = newHV ();	2642	coro->hv = hv = newHV ();
2405	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);	2643	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
2406	mg->mg_flags \|= MGf_DUP;	2644	mg->mg_flags \|= MGf_DUP;
2407	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2645	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2408		2646
		2647	if (items > 1)
		2648	{
		2649	coro->startcv = SvREFCNT_inc_NN (cb);
		2650
2409	av_extend (coro->args, items - 1);	2651	av_extend (coro->args, items - 1);
		2652	av_push (coro->args, SvREFCNT_inc (cb));
2410	for (i = 1; i < items; i++)	2653	for (i = 2; i < items; i++)
2411	av_push (coro->args, newSVsv (ST (i)));	2654	av_push (coro->args, newSVsv (ST (i)));
		2655	}
2412	}	2656	}
2413	OUTPUT:	2657	OUTPUT:
2414	RETVAL	2658	RETVAL
2415		2659
2416	void	2660	void
…		…
2790	api_trace (aTHX_ coro_current, 0);	3034	api_trace (aTHX_ coro_current, 0);
2791		3035
2792	av_push (av_async_pool, newSVsv (coro_current));	3036	av_push (av_async_pool, newSVsv (coro_current));
2793	}	3037	}
2794		3038
		3039	SV *
		3040	rouse_cb ()
		3041	PROTOTYPE:
		3042	CODE:
		3043	RETVAL = coro_new_rouse_cb (aTHX);
		3044	OUTPUT:
		3045	RETVAL
		3046
		3047	void
		3048	rouse_wait (...)
		3049	PROTOTYPE: ;$
		3050	PPCODE:
		3051	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
		3052
2795		3053
2796	MODULE = Coro::State PACKAGE = PerlIO::cede	3054	MODULE = Coro::State PACKAGE = PerlIO::cede
2797		3055
2798	BOOT:	3056	BOOT:
2799	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3057	PerlIO_define_layer (aTHX_ &PerlIO_cede);
2800		3058
2801		3059
2802	MODULE = Coro::State PACKAGE = Coro::Semaphore	3060	MODULE = Coro::State PACKAGE = Coro::Semaphore
2803		3061
2804	SV *	3062	SV *
2805	new (SV klass, SV count_ = 0)	3063	new (SV klass, SV count = 0)
2806	CODE:	3064	CODE:
2807	{	3065	RETVAL = sv_bless (
2808	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	3066	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),
2809	AV *av = newAV ();	3067	GvSTASH (CvGV (cv))
2810	SV **ary;	3068	);
		3069	OUTPUT:
		3070	RETVAL
2811		3071
2812	/* unfortunately, building manually saves memory */	3072	# helper for Coro::Channel
2813	Newx (ary, 2, SV *);	3073	SV *
2814	AvALLOC (av) = ary;	3074	_alloc (int count)
2815	AvARRAY (av) = ary;	3075	CODE:
2816	AvMAX (av) = 1;	3076	RETVAL = coro_waitarray_new (aTHX_ count);
2817	AvFILLp (av) = 0;
2818	ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1);
2819
2820	RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv)));
2821	}
2822	OUTPUT:	3077	OUTPUT:
2823	RETVAL	3078	RETVAL
2824		3079
2825	SV *	3080	SV *
2826	count (SV *self)	3081	count (SV *self)
…		…
2835	adjust = 1	3090	adjust = 1
2836	CODE:	3091	CODE:
2837	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3092	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
2838		3093
2839	void	3094	void
2840	down (SV *self)	3095	down (...)
2841	CODE:	3096	CODE:
2842	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3097	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
2843		3098
2844	void	3099	void
2845	wait (SV *self)	3100	wait (...)
2846	CODE:	3101	CODE:
2847	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3102	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2848		3103
2849	void	3104	void
2850	try (SV *self)	3105	try (SV *self)
…		…
2864	XSRETURN_NO;	3119	XSRETURN_NO;
2865	}	3120	}
2866		3121
2867	void	3122	void
2868	waiters (SV *self)	3123	waiters (SV *self)
2869	CODE:	3124	PPCODE:
2870	{	3125	{
2871	AV av = (AV )SvRV (self);	3126	AV av = (AV )SvRV (self);
		3127	int wcount = AvFILLp (av) + 1 - 1;
2872		3128
2873	if (GIMME_V == G_SCALAR)	3129	if (GIMME_V == G_SCALAR)
2874	XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0])));	3130	XPUSHs (sv_2mortal (newSViv (wcount)));
2875	else	3131	else
2876	{	3132	{
2877	int i;	3133	int i;
2878	EXTEND (SP, AvFILLp (av) + 1 - 1);	3134	EXTEND (SP, wcount);
2879	for (i = 1; i <= AvFILLp (av); ++i)	3135	for (i = 1; i <= wcount; ++i)
2880	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3136	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
2881	}	3137	}
2882	}	3138	}
		3139
		3140	MODULE = Coro::State PACKAGE = Coro::Signal
		3141
		3142	SV *
		3143	new (SV *klass)
		3144	CODE:
		3145	RETVAL = sv_bless (
		3146	coro_waitarray_new (aTHX_ 0),
		3147	GvSTASH (CvGV (cv))
		3148	);
		3149	OUTPUT:
		3150	RETVAL
		3151
		3152	void
		3153	wait (...)
		3154	CODE:
		3155	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
		3156
		3157	void
		3158	broadcast (SV *self)
		3159	CODE:
		3160	{
		3161	AV av = (AV )SvRV (self);
		3162	coro_signal_wake (aTHX_ av, AvFILLp (av));
		3163	}
		3164
		3165	void
		3166	send (SV *self)
		3167	CODE:
		3168	{
		3169	AV av = (AV )SvRV (self);
		3170
		3171	if (AvFILLp (av))
		3172	coro_signal_wake (aTHX_ av, 1);
		3173	else
		3174	SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
		3175	}
		3176
		3177	IV
		3178	awaited (SV *self)
		3179	CODE:
		3180	RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
		3181	OUTPUT:
		3182	RETVAL
2883		3183
2884		3184
2885	MODULE = Coro::State PACKAGE = Coro::AnyEvent	3185	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2886		3186
2887	BOOT:	3187	BOOT:
…		…
2915		3215
2916	void	3216	void
2917	_register (char target, char proto, SV *req)	3217	_register (char target, char proto, SV *req)
2918	CODE:	3218	CODE:
2919	{	3219	{
2920	HV *st;
2921	GV *gvp;
2922	CV *req_cv = sv_2cv (req, &st, &gvp, 0);	3220	CV *req_cv = coro_sv_2cv (req);
2923	/* newXSproto doesn't return the CV on 5.8 */	3221	/* newXSproto doesn't return the CV on 5.8 */
2924	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3222	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
2925	sv_setpv ((SV *)slf_cv, proto);	3223	sv_setpv ((SV *)slf_cv, proto);
2926	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3224	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
2927	}	3225	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.298 by root, Tue Nov 18 23:20:41 2008 UTC vs. Revision 1.307 by root, Wed Nov 19 14:34:46 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.298 by root, Tue Nov 18 23:20:41 2008 UTC vs.
Revision 1.307 by root, Wed Nov 19 14:34:46 2008 UTC