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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs.
Revision 1.211 by root, Wed Oct 10 03:37:58 2007 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
2		2
3	#define PERL_NO_GET_CONTEXT	3	#define PERL_NO_GET_CONTEXT
		4	#define PERL_EXT
4		5
5	#include "EXTERN.h"	6	#include "EXTERN.h"
6	#include "perl.h"	7	#include "perl.h"
7	#include "XSUB.h"	8	#include "XSUB.h"
8		9
9	#include "patchlevel.h"	10	#include "patchlevel.h"
10		11
11	#include <stdio.h>	12	#include <stdio.h>
12	#include <errno.h>	13	#include <errno.h>
13	#include <assert.h>	14	#include <assert.h>
		15	#include <inttypes.h> /* portable stdint.h */
14		16
15	#ifdef HAVE_MMAP	17	#ifdef HAVE_MMAP
16	# include <unistd.h>	18	# include <unistd.h>
17	# include <sys/mman.h>	19	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	20	# ifndef MAP_ANONYMOUS
129	#else	131	#else
130	# define LOCK (void)0	132	# define LOCK (void)0
131	# define UNLOCK (void)0	133	# define UNLOCK (void)0
132	#endif	134	#endif
133		135
		136	#define strpair(const) const, sizeof (const) - 1
		137
134	/* helper storage struct for Coro::AIO */	138	/* helper storage struct for Coro::AIO */
135	struct io_state	139	struct io_state
136	{	140	{
137	int errorno;	141	int errorno;
138	I32 laststype;	142	I32 laststype;
…		…
147	static HV coro_state_stash, coro_stash;	151	static HV coro_state_stash, coro_stash;
148	static SV coro_mortal; / will be freed after next transfer */	152	static SV coro_mortal; / will be freed after next transfer */
149		153
150	static GV irsgv; / $/ */	154	static GV irsgv; / $/ */
151	static GV stdoutgv; / STDOUT /	155	static GV stdoutgv; / STDOUT /
		156
		157	static HV hv_sig; / %SIG */
		158	static SV *sv_diehook;
		159	static SV *sv_warnhook;
152		160
153	/* async_pool helper stuff */	161	/* async_pool helper stuff */
154	static SV *sv_pool_rss;	162	static SV *sv_pool_rss;
155	static SV *sv_pool_size;	163	static SV *sv_pool_size;
156	static AV *av_async_pool;	164	static AV *av_async_pool;
…		…
192	CF_READY = 0x0002, /* coroutine is ready */	200	CF_READY = 0x0002, /* coroutine is ready */
193	CF_NEW = 0x0004, /* has never been switched to */	201	CF_NEW = 0x0004, /* has never been switched to */
194	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	202	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
195	};	203	};
196		204
		205	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		206	typedef struct {
		207	SV *defsv;
		208	AV *defav;
		209	SV *errsv;
		210	SV *irsgv;
		211	#define VAR(name,type) type name;
		212	# include "state.h"
		213	#undef VAR
		214	} perl_slots;
		215
		216	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		217
197	/* this is a structure representing a perl-level coroutine */	218	/* this is a structure representing a perl-level coroutine */
198	struct coro {	219	struct coro {
199	/* the c coroutine allocated to this perl coroutine, if any */	220	/* the c coroutine allocated to this perl coroutine, if any */
200	coro_cctx *cctx;	221	coro_cctx *cctx;
201		222
		223	/* process data */
		224	AV *mainstack;
		225	perl_slots slot; / basically the saved sp */
		226
202	/* data associated with this coroutine (initial args) */	227	AV args; / data associated with this coroutine (initial args) */
203	AV *args;	228	int refcnt; /* coroutines are refcounted, yes */
204	int refcnt;
205	int flags; /* CF_ flags */	229	int flags; /* CF_ flags */
206		230	HV hv; / the perl hash associated with this coro, if any */
207	/* optionally saved, might be zero */
208	AV defav; / @_ */
209	SV defsv; / $_ */
210	SV errsv; / $@ */
211	SV deffh; / default filehandle */
212	SV irssv; / $/ */
213	SV irssv_sv; / real $/ cache */
214
215	#define VAR(name,type) type name;
216	# include "state.h"
217	#undef VAR
218		231
219	/* statistics */	232	/* statistics */
220	int usecount; /* number of transfers to this coro */	233	int usecount; /* number of transfers to this coro */
221		234
222	/* coro process data */	235	/* coro process data */
223	int prio;	236	int prio;
224	//SV *throw;	237	SV throw; / exception to be thrown */
225		238
226	/* async_pool */	239	/* async_pool */
227	SV *saved_deffh;	240	SV *saved_deffh;
228		241
229	/* linked list */	242	/* linked list */
230	struct coro next, prev;	243	struct coro next, prev;
231	HV hv; / the perl hash associated with this coro, if any */
232	};	244	};
233		245
234	typedef struct coro *Coro__State;	246	typedef struct coro *Coro__State;
235	typedef struct coro *Coro__State_or_hashref;	247	typedef struct coro *Coro__State_or_hashref;
236		248
…		…
248	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
249	static int coro_nready;	261	static int coro_nready;
250	static struct coro *coro_first;	262	static struct coro *coro_first;
251		263
252	/ lowlevel stuff ********************************************************/	264	/ lowlevel stuff ********************************************************/
		265
		266	static SV *
		267	coro_get_sv (const char *name, int create)
		268	{
		269	#if PERL_VERSION_ATLEAST (5,9,0)
		270	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		271	get_sv (name, create);
		272	#endif
		273	return get_sv (name, create);
		274	}
		275
		276	static AV *
		277	coro_get_av (const char *name, int create)
		278	{
		279	#if PERL_VERSION_ATLEAST (5,9,0)
		280	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		281	get_av (name, create);
		282	#endif
		283	return get_av (name, create);
		284	}
		285
		286	static HV *
		287	coro_get_hv (const char *name, int create)
		288	{
		289	#if PERL_VERSION_ATLEAST (5,9,0)
		290	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		291	get_hv (name, create);
		292	#endif
		293	return get_hv (name, create);
		294	}
253		295
254	static AV *	296	static AV *
255	coro_clone_padlist (pTHX_ CV *cv)	297	coro_clone_padlist (pTHX_ CV *cv)
256	{	298	{
257	AV *padlist = CvPADLIST (cv);	299	AV *padlist = CvPADLIST (cv);
…		…
397	/ load & save, init *****************************************************/	439	/ load & save, init *****************************************************/
398		440
399	static void	441	static void
400	load_perl (pTHX_ Coro__State c)	442	load_perl (pTHX_ Coro__State c)
401	{	443	{
		444	perl_slots *slot = c->slot;
		445	c->slot = 0;
		446
		447	PL_mainstack = c->mainstack;
		448
		449	GvSV (PL_defgv) = slot->defsv;
		450	GvAV (PL_defgv) = slot->defav;
		451	GvSV (PL_errgv) = slot->errsv;
		452	GvSV (irsgv) = slot->irsgv;
		453
402	#define VAR(name,type) PL_ ## name = c->name;	454	#define VAR(name,type) PL_ ## name = slot->name;
403	# include "state.h"	455	# include "state.h"
404	#undef VAR	456	#undef VAR
405		457
406	GvSV (PL_defgv) = c->defsv;	458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
407	GvAV (PL_defgv) = c->defav;	459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
408	GvSV (PL_errgv) = c->errsv;
409	GvSV (irsgv) = c->irssv_sv;
410		460
411	{	461	{
412	dSP;	462	dSP;
		463
413	CV *cv;	464	CV *cv;
414		465
415	/* now do the ugly restore mess */	466	/* now do the ugly restore mess */
416	while (expect_true (cv = (CV *)POPs))	467	while (expect_true (cv = (CV *)POPs))
417	{	468	{
…		…
472	}	523	}
473		524
474	PUTBACK;	525	PUTBACK;
475	}	526	}
476		527
		528	/* allocate some space on the context stack for our purposes */
		529	/* we manually unroll here, as usually 2 slots is enough */
		530	if (SLOT_COUNT >= 1) CXINC;
		531	if (SLOT_COUNT >= 2) CXINC;
		532	if (SLOT_COUNT >= 3) CXINC;
		533	{
		534	int i;
		535	for (i = 3; i < SLOT_COUNT; ++i)
		536	CXINC;
		537	}
		538	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		539
		540	c->mainstack = PL_mainstack;
		541
		542	{
		543	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		544
477	c->defav = GvAV (PL_defgv);	545	slot->defav = GvAV (PL_defgv);
478	c->defsv = DEFSV;	546	slot->defsv = DEFSV;
479	c->errsv = ERRSV;	547	slot->errsv = ERRSV;
480	c->irssv_sv = GvSV (irsgv);	548	slot->irsgv = GvSV (irsgv);
481		549
482	#define VAR(name,type)c->name = PL_ ## name;	550	#define VAR(name,type) slot->name = PL_ ## name;
483	# include "state.h"	551	# include "state.h"
484	#undef VAR	552	#undef VAR
		553	}
485	}	554	}
486		555
487	/*	556	/*
488	* allocate various perl stacks. This is an exact copy	557	* allocate various perl stacks. This is an exact copy
489	* of perl.c:init_stacks, except that it uses less memory	558	* of perl.c:init_stacks, except that it uses less memory
…		…
494	# define coro_init_stacks init_stacks	563	# define coro_init_stacks init_stacks
495	#else	564	#else
496	static void	565	static void
497	coro_init_stacks (pTHX)	566	coro_init_stacks (pTHX)
498	{	567	{
499	PL_curstackinfo = new_stackinfo(64, 6);	568	PL_curstackinfo = new_stackinfo(32, 8);
500	PL_curstackinfo->si_type = PERLSI_MAIN;	569	PL_curstackinfo->si_type = PERLSI_MAIN;
501	PL_curstack = PL_curstackinfo->si_stack;	570	PL_curstack = PL_curstackinfo->si_stack;
502	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	571	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
503		572
504	PL_stack_base = AvARRAY(PL_curstack);	573	PL_stack_base = AvARRAY(PL_curstack);
505	PL_stack_sp = PL_stack_base;	574	PL_stack_sp = PL_stack_base;
506	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	575	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
507		576
508	New(50,PL_tmps_stack,64,SV*);	577	New(50,PL_tmps_stack,32,SV*);
509	PL_tmps_floor = -1;	578	PL_tmps_floor = -1;
510	PL_tmps_ix = -1;	579	PL_tmps_ix = -1;
511	PL_tmps_max = 64;	580	PL_tmps_max = 32;
512		581
513	New(54,PL_markstack,16,I32);	582	New(54,PL_markstack,16,I32);
514	PL_markstack_ptr = PL_markstack;	583	PL_markstack_ptr = PL_markstack;
515	PL_markstack_max = PL_markstack + 16;	584	PL_markstack_max = PL_markstack + 16;
516		585
517	#ifdef SET_MARK_OFFSET	586	#ifdef SET_MARK_OFFSET
518	SET_MARK_OFFSET;	587	SET_MARK_OFFSET;
519	#endif	588	#endif
520		589
521	New(54,PL_scopestack,16,I32);	590	New(54,PL_scopestack,8,I32);
522	PL_scopestack_ix = 0;	591	PL_scopestack_ix = 0;
523	PL_scopestack_max = 16;	592	PL_scopestack_max = 8;
524		593
525	New(54,PL_savestack,64,ANY);	594	New(54,PL_savestack,24,ANY);
526	PL_savestack_ix = 0;	595	PL_savestack_ix = 0;
527	PL_savestack_max = 64;	596	PL_savestack_max = 24;
528		597
529	#if !PERL_VERSION_ATLEAST (5,9,0)	598	#if !PERL_VERSION_ATLEAST (5,9,0)
530	New(54,PL_retstack,4,OP*);	599	New(54,PL_retstack,4,OP*);
531	PL_retstack_ix = 0;	600	PL_retstack_ix = 0;
532	PL_retstack_max = 4;	601	PL_retstack_max = 4;
…		…
569	{	638	{
570	size_t rss = sizeof (*coro);	639	size_t rss = sizeof (*coro);
571		640
572	if (coro->mainstack)	641	if (coro->mainstack)
573	{	642	{
		643	perl_slots tmp_slot;
		644	perl_slots *slot;
		645
574	if (coro->flags & CF_RUNNING)	646	if (coro->flags & CF_RUNNING)
575	{	647	{
		648	slot = &tmp_slot;
		649
576	#define VAR(name,type)coro->name = PL_ ## name;	650	#define VAR(name,type) slot->name = PL_ ## name;
577	# include "state.h"	651	# include "state.h"
578	#undef VAR	652	#undef VAR
579	}	653	}
		654	else
		655	slot = coro->slot;
580		656
581	rss += sizeof (coro->curstackinfo);	657	rss += sizeof (slot->curstackinfo);
582	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
583	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
585	rss += coro->tmps_max * sizeof (SV *);	660	rss += slot->tmps_max * sizeof (SV *);
586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
587	rss += coro->scopestack_max * sizeof (I32);	662	rss += slot->scopestack_max * sizeof (I32);
588	rss += coro->savestack_max * sizeof (ANY);	663	rss += slot->savestack_max * sizeof (ANY);
589		664
590	#if !PERL_VERSION_ATLEAST (5,9,0)	665	#if !PERL_VERSION_ATLEAST (5,9,0)
591	rss += coro->retstack_max * sizeof (OP *);	666	rss += slot->retstack_max * sizeof (OP *);
592	#endif	667	#endif
593	}	668	}
594		669
595	return rss;	670	return rss;
596	}	671	}
…		…
608	PL_runops = RUNOPS_DEFAULT;	683	PL_runops = RUNOPS_DEFAULT;
609	PL_curcop = &PL_compiling;	684	PL_curcop = &PL_compiling;
610	PL_in_eval = EVAL_NULL;	685	PL_in_eval = EVAL_NULL;
611	PL_comppad = 0;	686	PL_comppad = 0;
612	PL_curpm = 0;	687	PL_curpm = 0;
		688	PL_curpad = 0;
613	PL_localizing = 0;	689	PL_localizing = 0;
614	PL_dirty = 0;	690	PL_dirty = 0;
615	PL_restartop = 0;	691	PL_restartop = 0;
		692	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		693	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
616		694
617	GvSV (PL_defgv) = newSV (0);	695	GvSV (PL_defgv) = newSV (0);
618	GvAV (PL_defgv) = coro->args; coro->args = 0;	696	GvAV (PL_defgv) = coro->args; coro->args = 0;
619	GvSV (PL_errgv) = newSV (0);	697	GvSV (PL_errgv) = newSV (0);
620	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	698	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
621	PL_rs = newSVsv (GvSV (irsgv));	699	PL_rs = newSVsv (GvSV (irsgv));
622	PL_defoutgv = SvREFCNT_inc (stdoutgv);	700	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
623
624	ENTER; /* necessary e.g. for dounwind */
625		701
626	{	702	{
627	dSP;	703	dSP;
628	LOGOP myop;	704	LOGOP myop;
629		705
…		…
636	PUTBACK;	712	PUTBACK;
637	PL_op = (OP *)&myop;	713	PL_op = (OP *)&myop;
638	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
639	SPAGAIN;	715	SPAGAIN;
640	}	716	}
		717
		718	/* this newly created coroutine might be run on an existing cctx which most
		719	* likely was suspended in set_stacklevel, called from entersub.
		720	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		721	* so we ENTER here for symmetry
		722	*/
		723	ENTER;
641	}	724	}
642		725
643	static void	726	static void
644	coro_destroy (pTHX_ struct coro *coro)	727	coro_destroy (pTHX_ struct coro *coro)
645	{	728	{
…		…
665	SvREFCNT_dec (GvSV (PL_errgv));	748	SvREFCNT_dec (GvSV (PL_errgv));
666	SvREFCNT_dec (PL_defoutgv);	749	SvREFCNT_dec (PL_defoutgv);
667	SvREFCNT_dec (PL_rs);	750	SvREFCNT_dec (PL_rs);
668	SvREFCNT_dec (GvSV (irsgv));	751	SvREFCNT_dec (GvSV (irsgv));
669		752
		753	SvREFCNT_dec (PL_diehook);
		754	SvREFCNT_dec (PL_warnhook);
		755
670	SvREFCNT_dec (coro->saved_deffh);	756	SvREFCNT_dec (coro->saved_deffh);
671	//SvREFCNT_dec (coro->throw);	757	SvREFCNT_dec (coro->throw);
672		758
673	coro_destroy_stacks (aTHX);	759	coro_destroy_stacks (aTHX);
674	}	760	}
675		761
676	static void	762	static void
…		…
726	PUSHMARK (SP);	812	PUSHMARK (SP);
727	PUSHs (&PL_sv_no);	813	PUSHs (&PL_sv_no);
728	PUSHs (fullname);	814	PUSHs (fullname);
729	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	815	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
730	PUTBACK;	816	PUTBACK;
731	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	817	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
732	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	818	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
733	SPAGAIN;	819	SPAGAIN;
734	FREETMPS;	820	FREETMPS;
735	LEAVE;	821	LEAVE;
736	PL_runops = runops_trace;	822	PL_runops = runops_trace;
…		…
765	PUSHMARK (SP);	851	PUSHMARK (SP);
766	PUSHs (&PL_sv_yes);	852	PUSHs (&PL_sv_yes);
767	PUSHs (fullname);	853	PUSHs (fullname);
768	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	854	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
769	PUTBACK;	855	PUTBACK;
770	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	856	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
771	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	857	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
772	SPAGAIN;	858	SPAGAIN;
773	FREETMPS;	859	FREETMPS;
774	LEAVE;	860	LEAVE;
775	PL_runops = runops_trace;	861	PL_runops = runops_trace;
…		…
789	PL_runops = RUNOPS_DEFAULT;	875	PL_runops = RUNOPS_DEFAULT;
790	PUSHMARK (SP);	876	PUSHMARK (SP);
791	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	877	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
792	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	878	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
793	PUTBACK;	879	PUTBACK;
794	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	880	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
795	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	881	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
796	SPAGAIN;	882	SPAGAIN;
797	FREETMPS;	883	FREETMPS;
798	LEAVE;	884	LEAVE;
799	PL_runops = runops_trace;	885	PL_runops = runops_trace;
…		…
809		895
810	/* inject a fake call to Coro::State::_cctx_init into the execution */	896	/* inject a fake call to Coro::State::_cctx_init into the execution */
811	/* _cctx_init should be careful, as it could be called at almost any time */	897	/* _cctx_init should be careful, as it could be called at almost any time */
812	/* during execution of a perl program */	898	/* during execution of a perl program */
813	static void NOINLINE	899	static void NOINLINE
814	prepare_cctx (pTHX_ coro_cctx *cctx)	900	cctx_prepare (pTHX_ coro_cctx *cctx)
815	{	901	{
816	dSP;	902	dSP;
817	LOGOP myop;	903	LOGOP myop;
818		904
819	PL_top_env = &PL_start_env;	905	PL_top_env = &PL_start_env;
…		…
837		923
838	/*	924	/*
839	* this is a _very_ stripped down perl interpreter ;)	925	* this is a _very_ stripped down perl interpreter ;)
840	*/	926	*/
841	static void	927	static void
842	coro_run (void *arg)	928	cctx_run (void *arg)
843	{	929	{
844	dTHX;	930	dTHX;
845		931
846	/* coro_run is the alternative tail of transfer(), so unlock here. */	932	/* cctx_run is the alternative tail of transfer(), so unlock here. */
847	UNLOCK;	933	UNLOCK;
848		934
849	/* we now skip the entersub that lead to transfer() */	935	/* we now skip the entersub that lead to transfer() */
850	PL_op = PL_op->op_next;	936	PL_op = PL_op->op_next;
851		937
852	/* inject a fake subroutine call to cctx_init */	938	/* inject a fake subroutine call to cctx_init */
853	prepare_cctx (aTHX_ (coro_cctx *)arg);	939	cctx_prepare (aTHX_ (coro_cctx *)arg);
854		940
855	/* somebody or something will hit me for both perl_run and PL_restartop */	941	/* somebody or something will hit me for both perl_run and PL_restartop */
856	PL_restartop = PL_op;	942	PL_restartop = PL_op;
857	perl_run (PL_curinterp);	943	perl_run (PL_curinterp);
858		944
…		…
877	++cctx_count;	963	++cctx_count;
878		964
879	Newz (0, cctx, 1, coro_cctx);	965	Newz (0, cctx, 1, coro_cctx);
880		966
881	#if HAVE_MMAP	967	#if HAVE_MMAP
882
883	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	968	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
884	/* mmap supposedly does allocate-on-write for us */	969	/* mmap supposedly does allocate-on-write for us */
885	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	970	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
886		971
887	if (cctx->sptr != (void *)-1)	972	if (cctx->sptr != (void *)-1)
…		…
908	stack_start = cctx->sptr;	993	stack_start = cctx->sptr;
909	stack_size = cctx->ssize;	994	stack_size = cctx->ssize;
910	}	995	}
911		996
912	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	997	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
913	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	998	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
914		999
915	return cctx;	1000	return cctx;
916	}	1001	}
917		1002
918	static void	1003	static void
…		…
990	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1075	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
991		1076
992	if (expect_false (next->flags & CF_DESTROYED))	1077	if (expect_false (next->flags & CF_DESTROYED))
993	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1078	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
994		1079
		1080	if (
		1081	#if PERL_VERSION_ATLEAST (5,9,0)
		1082	expect_false (PL_parser)
		1083	#else
995	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1084	expect_false (PL_lex_state != LEX_NOTPARSING)
		1085	#endif
		1086	)
996	croak ("Coro::State::transfer called while parsing, but this is not supported");	1087	croak ("Coro::State::transfer called while parsing, but this is not supported");
997	}	1088	}
998	}	1089	}
999		1090
1000	/* always use the TRANSFER macro */	1091	/* always use the TRANSFER macro */
…		…
1053	prev->cctx = 0;	1144	prev->cctx = 0;
1054		1145
1055	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1146	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1056	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1147	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1057	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1148	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1149	if (!next->cctx)
1058	next->cctx = cctx_get (aTHX);	1150	next->cctx = cctx_get (aTHX);
1059		1151
1060	cctx_put (prev__cctx);	1152	cctx_put (prev__cctx);
1061	}	1153	}
1062		1154
1063	++next->usecount;	1155	++next->usecount;
…		…
1072	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1164	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1073	}	1165	}
1074		1166
1075	free_coro_mortal (aTHX);	1167	free_coro_mortal (aTHX);
1076	UNLOCK;	1168	UNLOCK;
		1169
		1170	if (expect_false (prev->throw \|\| next->throw))
		1171	{
		1172	struct coro *coro = SvSTATE (coro_current);
		1173
		1174	if (coro->throw)
		1175	{
		1176	SV *exception = coro->throw;
		1177	coro->throw = 0;
		1178	sv_setsv (ERRSV, exception);
		1179	croak (0);
		1180	}
		1181	}
1077	}	1182	}
1078	}	1183	}
1079		1184
1080	struct transfer_args	1185	struct transfer_args
1081	{	1186	{
…		…
1116	save_perl (aTHX_ &temp);	1221	save_perl (aTHX_ &temp);
1117	load_perl (aTHX_ coro);	1222	load_perl (aTHX_ coro);
1118		1223
1119	coro_destroy (aTHX_ coro);	1224	coro_destroy (aTHX_ coro);
1120		1225
1121	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1226	load_perl (aTHX_ &temp);
1122		1227
1123	coro->mainstack = 0;	1228	coro->slot = 0;
1124	}	1229	}
1125		1230
1126	cctx_destroy (coro->cctx);	1231	cctx_destroy (coro->cctx);
1127	SvREFCNT_dec (coro->args);	1232	SvREFCNT_dec (coro->args);
1128		1233
…		…
1385	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1490	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1386		1491
1387	if (coro->flags & CF_RUNNING)	1492	if (coro->flags & CF_RUNNING)
1388	PL_runops = RUNOPS_DEFAULT;	1493	PL_runops = RUNOPS_DEFAULT;
1389	else	1494	else
1390	coro->runops = RUNOPS_DEFAULT;	1495	coro->slot->runops = RUNOPS_DEFAULT;
1391	}	1496	}
1392	}	1497	}
1393		1498
1394	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1499	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1395		1500
…		…
1402	#endif	1507	#endif
1403	BOOT_PAGESIZE;	1508	BOOT_PAGESIZE;
1404		1509
1405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1510	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1511	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1512
		1513	hv_sig = coro_get_hv ("SIG", TRUE);
		1514	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1515	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1516
		1517	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1518	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1407		1519
1408	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1520	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1409		1521
1410	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1522	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1411	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1523	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1417		1529
1418	while (main_top_env->je_prev)	1530	while (main_top_env->je_prev)
1419	main_top_env = main_top_env->je_prev;	1531	main_top_env = main_top_env->je_prev;
1420		1532
1421	coroapi.ver = CORO_API_VERSION;	1533	coroapi.ver = CORO_API_VERSION;
		1534	coroapi.rev = CORO_API_REVISION;
1422	coroapi.transfer = api_transfer;	1535	coroapi.transfer = api_transfer;
1423		1536
1424	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1537	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1425	}	1538	}
1426		1539
…		…
1493		1606
1494	break;	1607	break;
1495	}	1608	}
1496		1609
1497	BARRIER;	1610	BARRIER;
		1611	PUTBACK;
1498	TRANSFER (ta);	1612	TRANSFER (ta);
1499		1613	SPAGAIN; /* might be the sp of a different coroutine now */
1500	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1614	/* be extra careful not to ever do anything after TRANSFER */
1501	XSRETURN_YES;
1502	}	1615	}
1503		1616
1504	bool	1617	bool
1505	_destroy (SV *coro_sv)	1618	_destroy (SV *coro_sv)
1506	CODE:	1619	CODE:
…		…
1555	CODE:	1668	CODE:
1556	{	1669	{
1557	if (coro->mainstack)	1670	if (coro->mainstack)
1558	{	1671	{
1559	struct coro temp;	1672	struct coro temp;
1560	Zero (&temp, 1, struct coro);
1561		1673
1562	if (!(coro->flags & CF_RUNNING))	1674	if (!(coro->flags & CF_RUNNING))
1563	{	1675	{
1564	save_perl (aTHX_ &temp);	1676	save_perl (aTHX_ &temp);
1565	load_perl (aTHX_ coro);	1677	load_perl (aTHX_ coro);
…		…
1567		1679
1568	{	1680	{
1569	dSP;	1681	dSP;
1570	ENTER;	1682	ENTER;
1571	SAVETMPS;	1683	SAVETMPS;
		1684	PUTBACK;
		1685	PUSHSTACK;
1572	PUSHMARK (SP);	1686	PUSHMARK (SP);
1573	PUTBACK;	1687
1574	if (ix)	1688	if (ix)
1575	eval_sv (coderef, 0);	1689	eval_sv (coderef, 0);
1576	else	1690	else
1577	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1691	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1692
		1693	POPSTACK;
1578	SPAGAIN;	1694	SPAGAIN;
1579	FREETMPS;	1695	FREETMPS;
1580	LEAVE;	1696	LEAVE;
1581	PUTBACK;	1697	PUTBACK;
1582	}	1698	}
…		…
1640		1756
1641	BOOT:	1757	BOOT:
1642	{	1758	{
1643	int i;	1759	int i;
1644		1760
1645	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1761	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1646	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1762	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1647	av_async_pool = get_av ("Coro::async_pool", TRUE);	1763	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1648		1764
1649	coro_current = get_sv ("Coro::current", FALSE);	1765	coro_current = coro_get_sv ("Coro::current", FALSE);
1650	SvREADONLY_on (coro_current);	1766	SvREADONLY_on (coro_current);
1651		1767
1652	coro_stash = gv_stashpv ("Coro", TRUE);	1768	coro_stash = gv_stashpv ("Coro", TRUE);
1653		1769
1654	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1770	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1655	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1771	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1656	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1772	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1657	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1773	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1660		1776
1661	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1777	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1662	coro_ready[i] = newAV ();	1778	coro_ready[i] = newAV ();
1663		1779
1664	{	1780	{
1665	SV *sv = perl_get_sv("Coro::API", 1);	1781	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1782	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1666		1783
1667	coroapi.schedule = api_schedule;	1784	coroapi.schedule = api_schedule;
1668	coroapi.cede = api_cede;	1785	coroapi.cede = api_cede;
1669	coroapi.cede_notself = api_cede_notself;	1786	coroapi.cede_notself = api_cede_notself;
1670	coroapi.ready = api_ready;	1787	coroapi.ready = api_ready;
…		…
1721	CODE:	1838	CODE:
1722	RETVAL = coro_nready;	1839	RETVAL = coro_nready;
1723	OUTPUT:	1840	OUTPUT:
1724	RETVAL	1841	RETVAL
1725		1842
		1843	void
		1844	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1845	PROTOTYPE: $;$
		1846	CODE:
		1847	SvREFCNT_dec (self->throw);
		1848	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1849
1726	# for async_pool speedup	1850	# for async_pool speedup
1727	void	1851	void
1728	_pool_1 (SV *cb)	1852	_pool_1 (SV *cb)
1729	CODE:	1853	CODE:
1730	{	1854	{
1731	struct coro *coro = SvSTATE (coro_current);	1855	struct coro *coro = SvSTATE (coro_current);
1732	HV hv = (HV )SvRV (coro_current);	1856	HV hv = (HV )SvRV (coro_current);
1733	AV *defav = GvAV (PL_defgv);	1857	AV *defav = GvAV (PL_defgv);
1734	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1858	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1735	AV *invoke_av;	1859	AV *invoke_av;
1736	int i, len;	1860	int i, len;
1737		1861
1738	if (!invoke)	1862	if (!invoke)
1739	croak ("\3terminate\2\n");	1863	croak ("\3async_pool terminate\2\n");
1740		1864
1741	SvREFCNT_dec (coro->saved_deffh);	1865	SvREFCNT_dec (coro->saved_deffh);
1742	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1866	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1743		1867
1744	hv_store (hv, "desc", sizeof ("desc") - 1,	1868	hv_store (hv, "desc", sizeof ("desc") - 1,
1745	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1869	newSVpvn (strpair ("[async_pool]")), 0);
1746		1870
1747	invoke_av = (AV *)SvRV (invoke);	1871	invoke_av = (AV *)SvRV (invoke);
1748	len = av_len (invoke_av);	1872	len = av_len (invoke_av);
1749		1873
1750	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1874	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1770	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1894	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1771	coro->saved_deffh = 0;	1895	coro->saved_deffh = 0;
1772		1896
1773	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1897	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1774	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1898	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1775	croak ("\3terminate\2\n");	1899	croak ("\3async_pool terminate\2\n");
1776		1900
1777	av_clear (GvAV (PL_defgv));	1901	av_clear (GvAV (PL_defgv));
1778	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1902	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1779	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1903	newSVpvn (strpair ("[async_pool idle]")), 0);
1780		1904
1781	coro->prio = 0;	1905	coro->prio = 0;
1782		1906
1783	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1907	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1784	api_trace (coro_current, 0);	1908	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs. Revision 1.211 by root, Wed Oct 10 03:37:58 2007 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs.
Revision 1.211 by root, Wed Oct 10 03:37:58 2007 UTC