[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 1.213 by root, Thu Oct 11 00:40:48 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
148	static SV coro_mortal; / will be freed after next transfer */	150	static SV coro_mortal; / will be freed after next transfer */
149		151
150	static GV irsgv; / $/ */	152	static GV irsgv; / $/ */
151	static GV stdoutgv; / STDOUT /	153	static GV stdoutgv; / STDOUT /
152		154
		155	static HV hv_sig; / %SIG */
		156	static SV *sv_diehook;
		157	static SV *sv_warnhook;
		158
153	/* async_pool helper stuff */	159	/* async_pool helper stuff */
154	static SV *sv_pool_rss;	160	static SV *sv_pool_rss;
155	static SV *sv_pool_size;	161	static SV *sv_pool_size;
156	static AV *av_async_pool;	162	static AV *av_async_pool;
157		163
…		…
192	CF_READY = 0x0002, /* coroutine is ready */	198	CF_READY = 0x0002, /* coroutine is ready */
193	CF_NEW = 0x0004, /* has never been switched to */	199	CF_NEW = 0x0004, /* has never been switched to */
194	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	200	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
195	};	201	};
196		202
		203	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		204	typedef struct {
		205	SV *defsv;
		206	AV *defav;
		207	SV *errsv;
		208	SV *irsgv;
		209	#define VAR(name,type) type name;
		210	# include "state.h"
		211	#undef VAR
		212	} perl_slots;
		213
		214	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		215
197	/* this is a structure representing a perl-level coroutine */	216	/* this is a structure representing a perl-level coroutine */
198	struct coro {	217	struct coro {
199	/* the c coroutine allocated to this perl coroutine, if any */	218	/* the c coroutine allocated to this perl coroutine, if any */
200	coro_cctx *cctx;	219	coro_cctx *cctx;
201		220
		221	/* process data */
		222	AV *mainstack;
		223	perl_slots slot; / basically the saved sp */
		224
202	/* data associated with this coroutine (initial args) */	225	AV args; / data associated with this coroutine (initial args) */
203	AV *args;	226	int refcnt; /* coroutines are refcounted, yes */
204	int refcnt;
205	int flags; /* CF_ flags */	227	int flags; /* CF_ flags */
206		228	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		229
219	/* statistics */	230	/* statistics */
220	int usecount; /* number of transfers to this coro */	231	int usecount; /* number of transfers to this coro */
221		232
222	/* coro process data */	233	/* coro process data */
223	int prio;	234	int prio;
224	//SV *throw;	235	SV throw; / exception to be thrown */
225		236
226	/* async_pool */	237	/* async_pool */
227	SV *saved_deffh;	238	SV *saved_deffh;
228		239
229	/* linked list */	240	/* linked list */
230	struct coro next, prev;	241	struct coro next, prev;
231	HV hv; / the perl hash associated with this coro, if any */
232	};	242	};
233		243
234	typedef struct coro *Coro__State;	244	typedef struct coro *Coro__State;
235	typedef struct coro *Coro__State_or_hashref;	245	typedef struct coro *Coro__State_or_hashref;
236		246
…		…
248	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	258	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
249	static int coro_nready;	259	static int coro_nready;
250	static struct coro *coro_first;	260	static struct coro *coro_first;
251		261
252	/ lowlevel stuff ********************************************************/	262	/ lowlevel stuff ********************************************************/
		263
		264	static SV *
		265	coro_get_sv (pTHX_ const char *name, int create)
		266	{
		267	#if PERL_VERSION_ATLEAST (5,9,0)
		268	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		269	get_sv (name, create);
		270	#endif
		271	return get_sv (name, create);
		272	}
		273
		274	static AV *
		275	coro_get_av (pTHX_ const char *name, int create)
		276	{
		277	#if PERL_VERSION_ATLEAST (5,9,0)
		278	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		279	get_av (name, create);
		280	#endif
		281	return get_av (name, create);
		282	}
		283
		284	static HV *
		285	coro_get_hv (pTHX_ const char *name, int create)
		286	{
		287	#if PERL_VERSION_ATLEAST (5,9,0)
		288	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		289	get_hv (name, create);
		290	#endif
		291	return get_hv (name, create);
		292	}
253		293
254	static AV *	294	static AV *
255	coro_clone_padlist (pTHX_ CV *cv)	295	coro_clone_padlist (pTHX_ CV *cv)
256	{	296	{
257	AV *padlist = CvPADLIST (cv);	297	AV *padlist = CvPADLIST (cv);
…		…
397	/ load & save, init *****************************************************/	437	/ load & save, init *****************************************************/
398		438
399	static void	439	static void
400	load_perl (pTHX_ Coro__State c)	440	load_perl (pTHX_ Coro__State c)
401	{	441	{
		442	perl_slots *slot = c->slot;
		443	c->slot = 0;
		444
		445	PL_mainstack = c->mainstack;
		446
		447	GvSV (PL_defgv) = slot->defsv;
		448	GvAV (PL_defgv) = slot->defav;
		449	GvSV (PL_errgv) = slot->errsv;
		450	GvSV (irsgv) = slot->irsgv;
		451
402	#define VAR(name,type) PL_ ## name = c->name;	452	#define VAR(name,type) PL_ ## name = slot->name;
403	# include "state.h"	453	# include "state.h"
404	#undef VAR	454	#undef VAR
405		455
406	GvSV (PL_defgv) = c->defsv;	456	/hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);/
407	GvAV (PL_defgv) = c->defav;	457	/hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);/
408	GvSV (PL_errgv) = c->errsv;
409	GvSV (irsgv) = c->irssv_sv;
410		458
411	{	459	{
412	dSP;	460	dSP;
		461
413	CV *cv;	462	CV *cv;
414		463
415	/* now do the ugly restore mess */	464	/* now do the ugly restore mess */
416	while (expect_true (cv = (CV *)POPs))	465	while (expect_true (cv = (CV *)POPs))
417	{	466	{
…		…
472	}	521	}
473		522
474	PUTBACK;	523	PUTBACK;
475	}	524	}
476		525
		526	/* allocate some space on the context stack for our purposes */
		527	/* we manually unroll here, as usually 2 slots is enough */
		528	if (SLOT_COUNT >= 1) CXINC;
		529	if (SLOT_COUNT >= 2) CXINC;
		530	if (SLOT_COUNT >= 3) CXINC;
		531	{
		532	int i;
		533	for (i = 3; i < SLOT_COUNT; ++i)
		534	CXINC;
		535	}
		536	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		537
		538	c->mainstack = PL_mainstack;
		539
		540	{
		541	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		542
477	c->defav = GvAV (PL_defgv);	543	slot->defav = GvAV (PL_defgv);
478	c->defsv = DEFSV;	544	slot->defsv = DEFSV;
479	c->errsv = ERRSV;	545	slot->errsv = ERRSV;
480	c->irssv_sv = GvSV (irsgv);	546	slot->irsgv = GvSV (irsgv);
481		547
482	#define VAR(name,type)c->name = PL_ ## name;	548	#define VAR(name,type) slot->name = PL_ ## name;
483	# include "state.h"	549	# include "state.h"
484	#undef VAR	550	#undef VAR
		551	}
485	}	552	}
486		553
487	/*	554	/*
488	* allocate various perl stacks. This is an exact copy	555	* allocate various perl stacks. This is an exact copy
489	* of perl.c:init_stacks, except that it uses less memory	556	* of perl.c:init_stacks, except that it uses less memory
…		…
494	# define coro_init_stacks init_stacks	561	# define coro_init_stacks init_stacks
495	#else	562	#else
496	static void	563	static void
497	coro_init_stacks (pTHX)	564	coro_init_stacks (pTHX)
498	{	565	{
499	PL_curstackinfo = new_stackinfo(64, 6);	566	PL_curstackinfo = new_stackinfo(32, 8);
500	PL_curstackinfo->si_type = PERLSI_MAIN;	567	PL_curstackinfo->si_type = PERLSI_MAIN;
501	PL_curstack = PL_curstackinfo->si_stack;	568	PL_curstack = PL_curstackinfo->si_stack;
502	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	569	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
503		570
504	PL_stack_base = AvARRAY(PL_curstack);	571	PL_stack_base = AvARRAY(PL_curstack);
505	PL_stack_sp = PL_stack_base;	572	PL_stack_sp = PL_stack_base;
506	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	573	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
507		574
508	New(50,PL_tmps_stack,64,SV*);	575	New(50,PL_tmps_stack,32,SV*);
509	PL_tmps_floor = -1;	576	PL_tmps_floor = -1;
510	PL_tmps_ix = -1;	577	PL_tmps_ix = -1;
511	PL_tmps_max = 64;	578	PL_tmps_max = 32;
512		579
513	New(54,PL_markstack,16,I32);	580	New(54,PL_markstack,16,I32);
514	PL_markstack_ptr = PL_markstack;	581	PL_markstack_ptr = PL_markstack;
515	PL_markstack_max = PL_markstack + 16;	582	PL_markstack_max = PL_markstack + 16;
516		583
517	#ifdef SET_MARK_OFFSET	584	#ifdef SET_MARK_OFFSET
518	SET_MARK_OFFSET;	585	SET_MARK_OFFSET;
519	#endif	586	#endif
520		587
521	New(54,PL_scopestack,16,I32);	588	New(54,PL_scopestack,8,I32);
522	PL_scopestack_ix = 0;	589	PL_scopestack_ix = 0;
523	PL_scopestack_max = 16;	590	PL_scopestack_max = 8;
524		591
525	New(54,PL_savestack,64,ANY);	592	New(54,PL_savestack,24,ANY);
526	PL_savestack_ix = 0;	593	PL_savestack_ix = 0;
527	PL_savestack_max = 64;	594	PL_savestack_max = 24;
528		595
529	#if !PERL_VERSION_ATLEAST (5,9,0)	596	#if !PERL_VERSION_ATLEAST (5,9,0)
530	New(54,PL_retstack,4,OP*);	597	New(54,PL_retstack,4,OP*);
531	PL_retstack_ix = 0;	598	PL_retstack_ix = 0;
532	PL_retstack_max = 4;	599	PL_retstack_max = 4;
…		…
569	{	636	{
570	size_t rss = sizeof (*coro);	637	size_t rss = sizeof (*coro);
571		638
572	if (coro->mainstack)	639	if (coro->mainstack)
573	{	640	{
		641	perl_slots tmp_slot;
		642	perl_slots *slot;
		643
574	if (coro->flags & CF_RUNNING)	644	if (coro->flags & CF_RUNNING)
575	{	645	{
		646	slot = &tmp_slot;
		647
576	#define VAR(name,type)coro->name = PL_ ## name;	648	#define VAR(name,type) slot->name = PL_ ## name;
577	# include "state.h"	649	# include "state.h"
578	#undef VAR	650	#undef VAR
579	}	651	}
		652	else
		653	slot = coro->slot;
580		654
581	rss += sizeof (coro->curstackinfo);	655	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);	656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
584	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	657	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
585	rss += coro->tmps_max * sizeof (SV *);	658	rss += slot->tmps_max * sizeof (SV *);
586	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
587	rss += coro->scopestack_max * sizeof (I32);	660	rss += slot->scopestack_max * sizeof (I32);
588	rss += coro->savestack_max * sizeof (ANY);	661	rss += slot->savestack_max * sizeof (ANY);
589		662
590	#if !PERL_VERSION_ATLEAST (5,9,0)	663	#if !PERL_VERSION_ATLEAST (5,9,0)
591	rss += coro->retstack_max * sizeof (OP *);	664	rss += slot->retstack_max * sizeof (OP *);
592	#endif	665	#endif
593	}	666	}
594		667
595	return rss;	668	return rss;
596	}	669	}
…		…
608	PL_runops = RUNOPS_DEFAULT;	681	PL_runops = RUNOPS_DEFAULT;
609	PL_curcop = &PL_compiling;	682	PL_curcop = &PL_compiling;
610	PL_in_eval = EVAL_NULL;	683	PL_in_eval = EVAL_NULL;
611	PL_comppad = 0;	684	PL_comppad = 0;
612	PL_curpm = 0;	685	PL_curpm = 0;
		686	PL_curpad = 0;
613	PL_localizing = 0;	687	PL_localizing = 0;
614	PL_dirty = 0;	688	PL_dirty = 0;
615	PL_restartop = 0;	689	PL_restartop = 0;
		690	PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
		691	PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
616		692
617	GvSV (PL_defgv) = newSV (0);	693	GvSV (PL_defgv) = newSV (0);
618	GvAV (PL_defgv) = coro->args; coro->args = 0;	694	GvAV (PL_defgv) = coro->args; coro->args = 0;
619	GvSV (PL_errgv) = newSV (0);	695	GvSV (PL_errgv) = newSV (0);
620	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	696	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
621	PL_rs = newSVsv (GvSV (irsgv));	697	PL_rs = newSVsv (GvSV (irsgv));
622	PL_defoutgv = SvREFCNT_inc (stdoutgv);	698	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
623
624	ENTER; /* necessary e.g. for dounwind */
625		699
626	{	700	{
627	dSP;	701	dSP;
628	LOGOP myop;	702	LOGOP myop;
629		703
…		…
636	PUTBACK;	710	PUTBACK;
637	PL_op = (OP *)&myop;	711	PL_op = (OP *)&myop;
638	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
639	SPAGAIN;	713	SPAGAIN;
640	}	714	}
		715
		716	/* this newly created coroutine might be run on an existing cctx which most
		717	* likely was suspended in set_stacklevel, called from entersub.
		718	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		719	* so we ENTER here for symmetry
		720	*/
		721	ENTER;
641	}	722	}
642		723
643	static void	724	static void
644	coro_destroy (pTHX_ struct coro *coro)	725	coro_destroy (pTHX_ struct coro *coro)
645	{	726	{
…		…
665	SvREFCNT_dec (GvSV (PL_errgv));	746	SvREFCNT_dec (GvSV (PL_errgv));
666	SvREFCNT_dec (PL_defoutgv);	747	SvREFCNT_dec (PL_defoutgv);
667	SvREFCNT_dec (PL_rs);	748	SvREFCNT_dec (PL_rs);
668	SvREFCNT_dec (GvSV (irsgv));	749	SvREFCNT_dec (GvSV (irsgv));
669		750
		751	SvREFCNT_dec (PL_diehook);
		752	SvREFCNT_dec (PL_warnhook);
		753
670	SvREFCNT_dec (coro->saved_deffh);	754	SvREFCNT_dec (coro->saved_deffh);
671	//SvREFCNT_dec (coro->throw);	755	SvREFCNT_dec (coro->throw);
672		756
673	coro_destroy_stacks (aTHX);	757	coro_destroy_stacks (aTHX);
674	}	758	}
675		759
676	static void	760	static void
…		…
809		893
810	/* inject a fake call to Coro::State::_cctx_init into the execution */	894	/* 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 */	895	/* _cctx_init should be careful, as it could be called at almost any time */
812	/* during execution of a perl program */	896	/* during execution of a perl program */
813	static void NOINLINE	897	static void NOINLINE
814	prepare_cctx (pTHX_ coro_cctx *cctx)	898	cctx_prepare (pTHX_ coro_cctx *cctx)
815	{	899	{
816	dSP;	900	dSP;
817	LOGOP myop;	901	LOGOP myop;
818		902
819	PL_top_env = &PL_start_env;	903	PL_top_env = &PL_start_env;
…		…
837		921
838	/*	922	/*
839	* this is a _very_ stripped down perl interpreter ;)	923	* this is a _very_ stripped down perl interpreter ;)
840	*/	924	*/
841	static void	925	static void
842	coro_run (void *arg)	926	cctx_run (void *arg)
843	{	927	{
844	dTHX;	928	dTHX;
845		929
846	/* coro_run is the alternative tail of transfer(), so unlock here. */	930	/* cctx_run is the alternative tail of transfer(), so unlock here. */
847	UNLOCK;	931	UNLOCK;
848		932
849	/* we now skip the entersub that lead to transfer() */	933	/* we now skip the entersub that lead to transfer() */
850	PL_op = PL_op->op_next;	934	PL_op = PL_op->op_next;
851		935
852	/* inject a fake subroutine call to cctx_init */	936	/* inject a fake subroutine call to cctx_init */
853	prepare_cctx (aTHX_ (coro_cctx *)arg);	937	cctx_prepare (aTHX_ (coro_cctx *)arg);
854		938
855	/* somebody or something will hit me for both perl_run and PL_restartop */	939	/* somebody or something will hit me for both perl_run and PL_restartop */
856	PL_restartop = PL_op;	940	PL_restartop = PL_op;
857	perl_run (PL_curinterp);	941	perl_run (PL_curinterp);
858		942
…		…
877	++cctx_count;	961	++cctx_count;
878		962
879	Newz (0, cctx, 1, coro_cctx);	963	Newz (0, cctx, 1, coro_cctx);
880		964
881	#if HAVE_MMAP	965	#if HAVE_MMAP
882
883	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	966	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
884	/* mmap supposedly does allocate-on-write for us */	967	/* 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);	968	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
886		969
887	if (cctx->sptr != (void *)-1)	970	if (cctx->sptr != (void *)-1)
…		…
908	stack_start = cctx->sptr;	991	stack_start = cctx->sptr;
909	stack_size = cctx->ssize;	992	stack_size = cctx->ssize;
910	}	993	}
911		994
912	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	995	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
913	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	996	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
914		997
915	return cctx;	998	return cctx;
916	}	999	}
917		1000
918	static void	1001	static void
…		…
990	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1073	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
991		1074
992	if (expect_false (next->flags & CF_DESTROYED))	1075	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");	1076	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
994		1077
		1078	if (
		1079	#if PERL_VERSION_ATLEAST (5,9,0)
		1080	expect_false (PL_parser)
		1081	#else
995	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1082	expect_false (PL_lex_state != LEX_NOTPARSING)
		1083	#endif
		1084	)
996	croak ("Coro::State::transfer called while parsing, but this is not supported");	1085	croak ("Coro::State::transfer called while parsing, but this is not supported");
997	}	1086	}
998	}	1087	}
999		1088
1000	/* always use the TRANSFER macro */	1089	/* always use the TRANSFER macro */
…		…
1053	prev->cctx = 0;	1142	prev->cctx = 0;
1054		1143
1055	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1144	/* 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 */	1145	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1057	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1146	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1147	if (!next->cctx)
1058	next->cctx = cctx_get (aTHX);	1148	next->cctx = cctx_get (aTHX);
1059		1149
1060	cctx_put (prev__cctx);	1150	cctx_put (prev__cctx);
1061	}	1151	}
1062		1152
1063	++next->usecount;	1153	++next->usecount;
…		…
1072	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1162	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1073	}	1163	}
1074		1164
1075	free_coro_mortal (aTHX);	1165	free_coro_mortal (aTHX);
1076	UNLOCK;	1166	UNLOCK;
		1167
		1168	if (expect_false (prev->throw \|\| next->throw))
		1169	{
		1170	struct coro *coro = SvSTATE (coro_current);
		1171
		1172	if (coro->throw)
		1173	{
		1174	SV *exception = coro->throw;
		1175	coro->throw = 0;
		1176	sv_setsv (ERRSV, exception);
		1177	croak (0);
		1178	}
		1179	}
1077	}	1180	}
1078	}	1181	}
1079		1182
1080	struct transfer_args	1183	struct transfer_args
1081	{	1184	{
…		…
1116	save_perl (aTHX_ &temp);	1219	save_perl (aTHX_ &temp);
1117	load_perl (aTHX_ coro);	1220	load_perl (aTHX_ coro);
1118		1221
1119	coro_destroy (aTHX_ coro);	1222	coro_destroy (aTHX_ coro);
1120		1223
1121	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1224	load_perl (aTHX_ &temp);
1122		1225
1123	coro->mainstack = 0;	1226	coro->slot = 0;
1124	}	1227	}
1125		1228
1126	cctx_destroy (coro->cctx);	1229	cctx_destroy (coro->cctx);
1127	SvREFCNT_dec (coro->args);	1230	SvREFCNT_dec (coro->args);
1128		1231
…		…
1385	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1488	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1386		1489
1387	if (coro->flags & CF_RUNNING)	1490	if (coro->flags & CF_RUNNING)
1388	PL_runops = RUNOPS_DEFAULT;	1491	PL_runops = RUNOPS_DEFAULT;
1389	else	1492	else
1390	coro->runops = RUNOPS_DEFAULT;	1493	coro->slot->runops = RUNOPS_DEFAULT;
1391	}	1494	}
1392	}	1495	}
1393		1496
1394	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1497	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1395		1498
…		…
1402	#endif	1505	#endif
1403	BOOT_PAGESIZE;	1506	BOOT_PAGESIZE;
1404		1507
1405	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1508	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1406	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1509	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1510
		1511	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1512	sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE);
		1513	sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE);
		1514
		1515	if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
		1516	if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1407		1517
1408	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1518	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1409		1519
1410	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1520	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1411	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1521	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1417		1527
1418	while (main_top_env->je_prev)	1528	while (main_top_env->je_prev)
1419	main_top_env = main_top_env->je_prev;	1529	main_top_env = main_top_env->je_prev;
1420		1530
1421	coroapi.ver = CORO_API_VERSION;	1531	coroapi.ver = CORO_API_VERSION;
		1532	coroapi.rev = CORO_API_REVISION;
1422	coroapi.transfer = api_transfer;	1533	coroapi.transfer = api_transfer;
1423		1534
1424	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1535	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1425	}	1536	}
1426		1537
…		…
1493		1604
1494	break;	1605	break;
1495	}	1606	}
1496		1607
1497	BARRIER;	1608	BARRIER;
		1609	PUTBACK;
1498	TRANSFER (ta);	1610	TRANSFER (ta);
1499		1611	SPAGAIN; /* might be the sp of a different coroutine now */
1500	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1612	/* be extra careful not to ever do anything after TRANSFER */
1501	XSRETURN_YES;
1502	}	1613	}
1503		1614
1504	bool	1615	bool
1505	_destroy (SV *coro_sv)	1616	_destroy (SV *coro_sv)
1506	CODE:	1617	CODE:
…		…
1555	CODE:	1666	CODE:
1556	{	1667	{
1557	if (coro->mainstack)	1668	if (coro->mainstack)
1558	{	1669	{
1559	struct coro temp;	1670	struct coro temp;
1560	Zero (&temp, 1, struct coro);
1561		1671
1562	if (!(coro->flags & CF_RUNNING))	1672	if (!(coro->flags & CF_RUNNING))
1563	{	1673	{
1564	save_perl (aTHX_ &temp);	1674	save_perl (aTHX_ &temp);
1565	load_perl (aTHX_ coro);	1675	load_perl (aTHX_ coro);
…		…
1567		1677
1568	{	1678	{
1569	dSP;	1679	dSP;
1570	ENTER;	1680	ENTER;
1571	SAVETMPS;	1681	SAVETMPS;
		1682	PUTBACK;
		1683	PUSHSTACK;
1572	PUSHMARK (SP);	1684	PUSHMARK (SP);
1573	PUTBACK;	1685
1574	if (ix)	1686	if (ix)
1575	eval_sv (coderef, 0);	1687	eval_sv (coderef, 0);
1576	else	1688	else
1577	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1689	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1690
		1691	POPSTACK;
1578	SPAGAIN;	1692	SPAGAIN;
1579	FREETMPS;	1693	FREETMPS;
1580	LEAVE;	1694	LEAVE;
1581	PUTBACK;	1695	PUTBACK;
1582	}	1696	}
…		…
1640		1754
1641	BOOT:	1755	BOOT:
1642	{	1756	{
1643	int i;	1757	int i;
1644		1758
1645	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1759	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1646	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1760	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1647	av_async_pool = get_av ("Coro::async_pool", TRUE);	1761	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1648		1762
1649	coro_current = get_sv ("Coro::current", FALSE);	1763	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1650	SvREADONLY_on (coro_current);	1764	SvREADONLY_on (coro_current);
1651		1765
1652	coro_stash = gv_stashpv ("Coro", TRUE);	1766	coro_stash = gv_stashpv ("Coro", TRUE);
1653		1767
1654	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1768	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1655	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1769	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1656	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1770	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1657	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1771	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1660		1774
1661	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1775	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1662	coro_ready[i] = newAV ();	1776	coro_ready[i] = newAV ();
1663		1777
1664	{	1778	{
1665	SV *sv = perl_get_sv("Coro::API", 1);	1779	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1780	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1666		1781
1667	coroapi.schedule = api_schedule;	1782	coroapi.schedule = api_schedule;
1668	coroapi.cede = api_cede;	1783	coroapi.cede = api_cede;
1669	coroapi.cede_notself = api_cede_notself;	1784	coroapi.cede_notself = api_cede_notself;
1670	coroapi.ready = api_ready;	1785	coroapi.ready = api_ready;
…		…
1721	CODE:	1836	CODE:
1722	RETVAL = coro_nready;	1837	RETVAL = coro_nready;
1723	OUTPUT:	1838	OUTPUT:
1724	RETVAL	1839	RETVAL
1725		1840
		1841	void
		1842	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1843	PROTOTYPE: $;$
		1844	CODE:
		1845	SvREFCNT_dec (self->throw);
		1846	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1847
1726	# for async_pool speedup	1848	# for async_pool speedup
1727	void	1849	void
1728	_pool_1 (SV *cb)	1850	_pool_1 (SV *cb)
1729	CODE:	1851	CODE:
1730	{	1852	{
…		…
1734	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1856	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1735	AV *invoke_av;	1857	AV *invoke_av;
1736	int i, len;	1858	int i, len;
1737		1859
1738	if (!invoke)	1860	if (!invoke)
1739	croak ("\3terminate\2\n");	1861	croak ("\3async_pool terminate\2\n");
1740		1862
1741	SvREFCNT_dec (coro->saved_deffh);	1863	SvREFCNT_dec (coro->saved_deffh);
1742	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1864	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1743		1865
1744	hv_store (hv, "desc", sizeof ("desc") - 1,	1866	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1770	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1892	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1771	coro->saved_deffh = 0;	1893	coro->saved_deffh = 0;
1772		1894
1773	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1895	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1774	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1896	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1775	croak ("\3terminate\2\n");	1897	croak ("\3async_pool terminate\2\n");
1776		1898
1777	av_clear (GvAV (PL_defgv));	1899	av_clear (GvAV (PL_defgv));
1778	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1900	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1779	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1901	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1780		1902

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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 1.213 by root, Thu Oct 11 00:40:48 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 1.213 by root, Thu Oct 11 00:40:48 2007 UTC