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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.183 by root, Wed Oct 3 19:19:06 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
75	/* 5.8.7 */	77	/* 5.8.7 */
76	#ifndef SvRV_set	78	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	79	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	80	#endif
79		81
		82	/* 5.8.8 */
		83	#ifndef GV_NOTQUAL
		84	# define GV_NOTQUAL 0
		85	#endif
		86	#ifndef newSV
		87	# define newSV(l) NEWSV(0,l)
		88	#endif
		89
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	91	# undef CORO_STACKGUARD
82	#endif	92	#endif
83		93
84	#ifndef CORO_STACKGUARD	94	#ifndef CORO_STACKGUARD
…		…
98	#define IN_DESTRUCT (PL_main_cv == Nullcv)	108	#define IN_DESTRUCT (PL_main_cv == Nullcv)
99		109
100	#if __GNUC__ >= 3	110	#if __GNUC__ >= 3
101	# define attribute(x) __attribute__(x)	111	# define attribute(x) __attribute__(x)
102	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	112	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		113	# define expect(expr,value) __builtin_expect ((expr),(value))
103	#else	114	#else
104	# define attribute(x)	115	# define attribute(x)
105	# define BARRIER	116	# define BARRIER
		117	# define expect(expr,value) (expr)
106	#endif	118	#endif
		119
		120	#define expect_false(expr) expect ((expr) != 0, 0)
		121	#define expect_true(expr) expect ((expr) != 0, 1)
107		122
108	#define NOINLINE attribute ((noinline))	123	#define NOINLINE attribute ((noinline))
109		124
110	#include "CoroAPI.h"	125	#include "CoroAPI.h"
111		126
…		…
116	#else	131	#else
117	# define LOCK (void)0	132	# define LOCK (void)0
118	# define UNLOCK (void)0	133	# define UNLOCK (void)0
119	#endif	134	#endif
120		135
		136	#define strpair(const) const, sizeof (const) - 1
		137
121	/* helper storage struct for Coro::AIO */	138	/* helper storage struct for Coro::AIO */
122	struct io_state	139	struct io_state
123	{	140	{
124	int errorno;	141	int errorno;
125	I32 laststype;	142	I32 laststype;
…		…
132	static AV main_mainstack; / used to differentiate between $main and others */	149	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	150	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	151	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	152	static SV coro_mortal; / will be freed after next transfer */
136		153
137	static GV irsgv; / $/ */	154	static GV irsgv; / $/ */
		155	static GV stdoutgv; / STDOUT /
		156
		157	static HV hv_sig; / %SIG */
		158	static SV *sv_diehook;
		159	static SV *sv_warnhook;
138		160
139	/* async_pool helper stuff */	161	/* async_pool helper stuff */
140	static SV *sv_pool_rss;	162	static SV *sv_pool_rss;
141	static SV *sv_pool_size;	163	static SV *sv_pool_size;
142	static AV *av_async_pool;	164	static AV *av_async_pool;
…		…
178	CF_READY = 0x0002, /* coroutine is ready */	200	CF_READY = 0x0002, /* coroutine is ready */
179	CF_NEW = 0x0004, /* has never been switched to */	201	CF_NEW = 0x0004, /* has never been switched to */
180	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	202	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
181	};	203	};
182		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
183	/* this is a structure representing a perl-level coroutine */	218	/* this is a structure representing a perl-level coroutine */
184	struct coro {	219	struct coro {
185	/* the c coroutine allocated to this perl coroutine, if any */	220	/* the c coroutine allocated to this perl coroutine, if any */
186	coro_cctx *cctx;	221	coro_cctx *cctx;
187		222
		223	/* process data */
		224	AV *mainstack;
		225	perl_slots slot; / basically the saved sp */
		226
188	/* data associated with this coroutine (initial args) */	227	AV args; / data associated with this coroutine (initial args) */
189	AV *args;	228	int refcnt; /* coroutines are refcounted, yes */
190	int refcnt;
191	int flags; /* CF_ flags */	229	int flags; /* CF_ flags */
192		230	HV hv; / the perl hash associated with this coro, if any */
193	/* optionally saved, might be zero */
194	AV defav; / @_ */
195	SV defsv; / $_ */
196	SV errsv; / $@ */
197	GV deffh; / default filehandle */
198	SV irssv; / $/ */
199	SV irssv_sv; / real $/ cache */
200
201	#define VAR(name,type) type name;
202	# include "state.h"
203	#undef VAR
204		231
205	/* statistics */	232	/* statistics */
206	int usecount; /* number of transfers to this coro */	233	int usecount; /* number of transfers to this coro */
207		234
208	/* coro process data */	235	/* coro process data */
209	int prio;	236	int prio;
210	//SV *throw;	237	SV throw; / exception to be thrown */
211		238
212	/* async_pool */	239	/* async_pool */
213	GV *asp_deffh;	240	SV *saved_deffh;
214		241
215	/* linked list */	242	/* linked list */
216	struct coro next, prev;	243	struct coro next, prev;
217	HV hv; / the perl hash associated with this coro, if any */
218	};	244	};
219		245
220	typedef struct coro *Coro__State;	246	typedef struct coro *Coro__State;
221	typedef struct coro *Coro__State_or_hashref;	247	typedef struct coro *Coro__State_or_hashref;
222		248
…		…
234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
235	static int coro_nready;	261	static int coro_nready;
236	static struct coro *coro_first;	262	static struct coro *coro_first;
237		263
238	/ 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	}
239		295
240	static AV *	296	static AV *
241	coro_clone_padlist (pTHX_ CV *cv)	297	coro_clone_padlist (pTHX_ CV *cv)
242	{	298	{
243	AV *padlist = CvPADLIST (cv);	299	AV *padlist = CvPADLIST (cv);
…		…
316	MAGIC *mg;	372	MAGIC *mg;
317		373
318	if (SvROK (coro))	374	if (SvROK (coro))
319	coro = SvRV (coro);	375	coro = SvRV (coro);
320		376
321	if (SvTYPE (coro) != SVt_PVHV)	377	if (expect_false (SvTYPE (coro) != SVt_PVHV))
322	croak ("Coro::State object required");	378	croak ("Coro::State object required");
323		379
324	stash = SvSTASH (coro);	380	stash = SvSTASH (coro);
325	if (stash != coro_stash && stash != coro_state_stash)	381	if (expect_false (stash != coro_stash && stash != coro_state_stash))
326	{	382	{
327	/* very slow, but rare, check */	383	/* very slow, but rare, check */
328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329	croak ("Coro::State object required");	385	croak ("Coro::State object required");
330	}	386	}
…		…
340	get_padlist (pTHX_ CV *cv)	396	get_padlist (pTHX_ CV *cv)
341	{	397	{
342	MAGIC *mg = CORO_MAGIC (cv);	398	MAGIC *mg = CORO_MAGIC (cv);
343	AV *av;	399	AV *av;
344		400
345	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
346	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
347	else	403	else
348	{	404	{
349	#if CORO_PREFER_PERL_FUNCTIONS	405	#if CORO_PREFER_PERL_FUNCTIONS
350	/* this is probably cleaner, but also slower? */	406	/* this is probably cleaner, but also slower? */
…		…
362	put_padlist (pTHX_ CV *cv)	418	put_padlist (pTHX_ CV *cv)
363	{	419	{
364	MAGIC *mg = CORO_MAGIC (cv);	420	MAGIC *mg = CORO_MAGIC (cv);
365	AV *av;	421	AV *av;
366		422
367	if (!mg)	423	if (expect_false (!mg))
368	{	424	{
369	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
370	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
371	mg->mg_virtual = &vtbl_coro;	427	mg->mg_virtual = &vtbl_coro;
372	mg->mg_obj = (SV *)newAV ();	428	mg->mg_obj = (SV *)newAV ();
373	}	429	}
374		430
375	av = (AV *)mg->mg_obj;	431	av = (AV *)mg->mg_obj;
376		432
377	if (AvFILLp (av) >= AvMAX (av))	433	if (expect_false (AvFILLp (av) >= AvMAX (av)))
378	av_extend (av, AvMAX (av) + 1);	434	av_extend (av, AvMAX (av) + 1);
379		435
380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	436	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
381	}	437	}
382		438
383	/ load & save, init *****************************************************/	439	/ load & save, init *****************************************************/
384		440
385	static void	441	static void
386	load_perl (pTHX_ Coro__State c)	442	load_perl (pTHX_ Coro__State c)
387	{	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
388	#define VAR(name,type) PL_ ## name = c->name;	454	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	455	# include "state.h"
390	#undef VAR	456	#undef VAR
391		457
392	GvSV (PL_defgv) = c->defsv;	458	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
393	GvAV (PL_defgv) = c->defav;	459	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
394	GvSV (PL_errgv) = c->errsv;
395	PL_defoutgv = c->deffh;
396	PL_rs = c->irssv;
397	GvSV (irsgv) = c->irssv_sv;
398		460
399	{	461	{
400	dSP;	462	dSP;
		463
401	CV *cv;	464	CV *cv;
402		465
403	/* now do the ugly restore mess */	466	/* now do the ugly restore mess */
404	while ((cv = (CV *)POPs))	467	while (expect_true (cv = (CV *)POPs))
405	{	468	{
406	put_padlist (aTHX_ cv); /* mark this padlist as available */	469	put_padlist (aTHX_ cv); /* mark this padlist as available */
407	CvDEPTH (cv) = PTR2IV (POPs);	470	CvDEPTH (cv) = PTR2IV (POPs);
408	CvPADLIST (cv) = (AV *)POPs;	471	CvPADLIST (cv) = (AV *)POPs;
409	}	472	}
…		…
428		491
429	XPUSHs (Nullsv);	492	XPUSHs (Nullsv);
430	/* this loop was inspired by pp_caller */	493	/* this loop was inspired by pp_caller */
431	for (;;)	494	for (;;)
432	{	495	{
433	while (cxix >= 0)	496	while (expect_true (cxix >= 0))
434	{	497	{
435	PERL_CONTEXT *cx = &ccstk[cxix--];	498	PERL_CONTEXT *cx = &ccstk[cxix--];
436		499
437	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	500	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
438	{	501	{
439	CV *cv = cx->blk_sub.cv;	502	CV *cv = cx->blk_sub.cv;
440		503
441	if (CvDEPTH (cv))	504	if (expect_true (CvDEPTH (cv)))
442	{	505	{
443	EXTEND (SP, 3);	506	EXTEND (SP, 3);
444	PUSHs ((SV *)CvPADLIST (cv));	507	PUSHs ((SV *)CvPADLIST (cv));
445	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	508	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
446	PUSHs ((SV *)cv);	509	PUSHs ((SV *)cv);
…		…
449	get_padlist (aTHX_ cv);	512	get_padlist (aTHX_ cv);
450	}	513	}
451	}	514	}
452	}	515	}
453		516
454	if (top_si->si_type == PERLSI_MAIN)	517	if (expect_true (top_si->si_type == PERLSI_MAIN))
455	break;	518	break;
456		519
457	top_si = top_si->si_prev;	520	top_si = top_si->si_prev;
458	ccstk = top_si->si_cxstack;	521	ccstk = top_si->si_cxstack;
459	cxix = top_si->si_cxix;	522	cxix = top_si->si_cxix;
460	}	523	}
461		524
462	PUTBACK;	525	PUTBACK;
463	}	526	}
464		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
465	c->defav = GvAV (PL_defgv);	545	slot->defav = GvAV (PL_defgv);
466	c->defsv = DEFSV;	546	slot->defsv = DEFSV;
467	c->errsv = ERRSV;	547	slot->errsv = ERRSV;
468	c->deffh = PL_defoutgv;
469	c->irssv = PL_rs;
470	c->irssv_sv = GvSV (irsgv);	548	slot->irsgv = GvSV (irsgv);
471		549
472	#define VAR(name,type)c->name = PL_ ## name;	550	#define VAR(name,type) slot->name = PL_ ## name;
473	# include "state.h"	551	# include "state.h"
474	#undef VAR	552	#undef VAR
		553	}
475	}	554	}
476		555
477	/*	556	/*
478	* allocate various perl stacks. This is an exact copy	557	* allocate various perl stacks. This is an exact copy
479	* of perl.c:init_stacks, except that it uses less memory	558	* of perl.c:init_stacks, except that it uses less memory
…		…
484	# define coro_init_stacks init_stacks	563	# define coro_init_stacks init_stacks
485	#else	564	#else
486	static void	565	static void
487	coro_init_stacks (pTHX)	566	coro_init_stacks (pTHX)
488	{	567	{
489	PL_curstackinfo = new_stackinfo(64, 6);	568	PL_curstackinfo = new_stackinfo(32, 8);
490	PL_curstackinfo->si_type = PERLSI_MAIN;	569	PL_curstackinfo->si_type = PERLSI_MAIN;
491	PL_curstack = PL_curstackinfo->si_stack;	570	PL_curstack = PL_curstackinfo->si_stack;
492	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	571	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
493		572
494	PL_stack_base = AvARRAY(PL_curstack);	573	PL_stack_base = AvARRAY(PL_curstack);
495	PL_stack_sp = PL_stack_base;	574	PL_stack_sp = PL_stack_base;
496	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	575	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
497		576
498	New(50,PL_tmps_stack,64,SV*);	577	New(50,PL_tmps_stack,32,SV*);
499	PL_tmps_floor = -1;	578	PL_tmps_floor = -1;
500	PL_tmps_ix = -1;	579	PL_tmps_ix = -1;
501	PL_tmps_max = 64;	580	PL_tmps_max = 32;
502		581
503	New(54,PL_markstack,16,I32);	582	New(54,PL_markstack,16,I32);
504	PL_markstack_ptr = PL_markstack;	583	PL_markstack_ptr = PL_markstack;
505	PL_markstack_max = PL_markstack + 16;	584	PL_markstack_max = PL_markstack + 16;
506		585
507	#ifdef SET_MARK_OFFSET	586	#ifdef SET_MARK_OFFSET
508	SET_MARK_OFFSET;	587	SET_MARK_OFFSET;
509	#endif	588	#endif
510		589
511	New(54,PL_scopestack,16,I32);	590	New(54,PL_scopestack,8,I32);
512	PL_scopestack_ix = 0;	591	PL_scopestack_ix = 0;
513	PL_scopestack_max = 16;	592	PL_scopestack_max = 8;
514		593
515	New(54,PL_savestack,64,ANY);	594	New(54,PL_savestack,24,ANY);
516	PL_savestack_ix = 0;	595	PL_savestack_ix = 0;
517	PL_savestack_max = 64;	596	PL_savestack_max = 24;
518		597
519	#if !PERL_VERSION_ATLEAST (5,9,0)	598	#if !PERL_VERSION_ATLEAST (5,9,0)
520	New(54,PL_retstack,4,OP*);	599	New(54,PL_retstack,4,OP*);
521	PL_retstack_ix = 0;	600	PL_retstack_ix = 0;
522	PL_retstack_max = 4;	601	PL_retstack_max = 4;
…		…
559	{	638	{
560	size_t rss = sizeof (*coro);	639	size_t rss = sizeof (*coro);
561		640
562	if (coro->mainstack)	641	if (coro->mainstack)
563	{	642	{
		643	perl_slots tmp_slot;
		644	perl_slots *slot;
		645
564	if (coro->flags & CF_RUNNING)	646	if (coro->flags & CF_RUNNING)
565	{	647	{
		648	slot = &tmp_slot;
		649
566	#define VAR(name,type)coro->name = PL_ ## name;	650	#define VAR(name,type) slot->name = PL_ ## name;
567	# include "state.h"	651	# include "state.h"
568	#undef VAR	652	#undef VAR
569	}	653	}
		654	else
		655	slot = coro->slot;
570		656
571	rss += sizeof (coro->curstackinfo);	657	rss += sizeof (slot->curstackinfo);
572	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
573	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	658	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
574	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	659	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
575	rss += coro->tmps_max * sizeof (SV *);	660	rss += slot->tmps_max * sizeof (SV *);
576	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	661	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
577	rss += coro->scopestack_max * sizeof (I32);	662	rss += slot->scopestack_max * sizeof (I32);
578	rss += coro->savestack_max * sizeof (ANY);	663	rss += slot->savestack_max * sizeof (ANY);
579		664
580	#if !PERL_VERSION_ATLEAST (5,9,0)	665	#if !PERL_VERSION_ATLEAST (5,9,0)
581	rss += coro->retstack_max * sizeof (OP *);	666	rss += slot->retstack_max * sizeof (OP *);
582	#endif	667	#endif
583	}	668	}
584		669
585	return rss;	670	return rss;
586	}	671	}
…		…
598	PL_runops = RUNOPS_DEFAULT;	683	PL_runops = RUNOPS_DEFAULT;
599	PL_curcop = &PL_compiling;	684	PL_curcop = &PL_compiling;
600	PL_in_eval = EVAL_NULL;	685	PL_in_eval = EVAL_NULL;
601	PL_comppad = 0;	686	PL_comppad = 0;
602	PL_curpm = 0;	687	PL_curpm = 0;
		688	PL_curpad = 0;
603	PL_localizing = 0;	689	PL_localizing = 0;
604	PL_dirty = 0;	690	PL_dirty = 0;
605	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);
606		694
607	GvSV (PL_defgv) = NEWSV (0, 0);	695	GvSV (PL_defgv) = newSV (0);
608	GvAV (PL_defgv) = coro->args; coro->args = 0;	696	GvAV (PL_defgv) = coro->args; coro->args = 0;
609	GvSV (PL_errgv) = NEWSV (0, 0);	697	GvSV (PL_errgv) = newSV (0);
610	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);
611	PL_rs = newSVsv (GvSV (irsgv));	699	PL_rs = newSVsv (GvSV (irsgv));
612		700	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
613	{
614	IO *io = newIO ();
615	PL_defoutgv = newGVgen ("Coro");
616	GvIOp(PL_defoutgv) = io;
617	IoTYPE (io) = IoTYPE_WRONLY;
618	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
619	IoFLAGS (io) \|= IOf_FLUSH;
620	}
621		701
622	{	702	{
623	dSP;	703	dSP;
624	LOGOP myop;	704	LOGOP myop;
625		705
626	Zero (&myop, 1, LOGOP);	706	Zero (&myop, 1, LOGOP);
627	myop.op_next = Nullop;	707	myop.op_next = Nullop;
628	myop.op_flags = OPf_WANT_VOID;	708	myop.op_flags = OPf_WANT_VOID;
629		709
630	PUSHMARK (SP);	710	PUSHMARK (SP);
631	XPUSHs (av_shift (GvAV (PL_defgv)));	711	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
632	PUTBACK;	712	PUTBACK;
633	PL_op = (OP *)&myop;	713	PL_op = (OP *)&myop;
634	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	714	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
635	SPAGAIN;	715	SPAGAIN;
636	}	716	}
637		717
638	ENTER; /* necessary e.g. for dounwind */	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;
639	}	724	}
640		725
641	static void	726	static void
642	coro_destroy (pTHX_ struct coro *coro)	727	coro_destroy (pTHX_ struct coro *coro)
643	{	728	{
…		…
663	SvREFCNT_dec (GvSV (PL_errgv));	748	SvREFCNT_dec (GvSV (PL_errgv));
664	SvREFCNT_dec (PL_defoutgv);	749	SvREFCNT_dec (PL_defoutgv);
665	SvREFCNT_dec (PL_rs);	750	SvREFCNT_dec (PL_rs);
666	SvREFCNT_dec (GvSV (irsgv));	751	SvREFCNT_dec (GvSV (irsgv));
667		752
		753	SvREFCNT_dec (PL_diehook);
		754	SvREFCNT_dec (PL_warnhook);
		755
668	SvREFCNT_dec (coro->asp_deffh);	756	SvREFCNT_dec (coro->saved_deffh);
669	//SvREFCNT_dec (coro->throw);	757	SvREFCNT_dec (coro->throw);
670		758
671	coro_destroy_stacks (aTHX);	759	coro_destroy_stacks (aTHX);
672	}	760	}
673		761
674	static void	762	static void
675	free_coro_mortal (pTHX)	763	free_coro_mortal (pTHX)
676	{	764	{
677	if (coro_mortal)	765	if (expect_true (coro_mortal))
678	{	766	{
679	SvREFCNT_dec (coro_mortal);	767	SvREFCNT_dec (coro_mortal);
680	coro_mortal = 0;	768	coro_mortal = 0;
681	}	769	}
682	}	770	}
…		…
711	bot = PL_stack_base + cx->blk_oldsp + 1;	799	bot = PL_stack_base + cx->blk_oldsp + 1;
712	top = cx->blk_gimme == G_ARRAY ? SP + 1	800	top = cx->blk_gimme == G_ARRAY ? SP + 1
713	: cx->blk_gimme == G_SCALAR ? bot + 1	801	: cx->blk_gimme == G_SCALAR ? bot + 1
714	: bot;	802	: bot;
715		803
		804	av_extend (av, top - bot);
716	while (bot < top)	805	while (bot < top)
717	av_push (av, SvREFCNT_inc (*bot++));	806	av_push (av, SvREFCNT_inc (*bot++));
718		807
719	PL_runops = RUNOPS_DEFAULT;	808	PL_runops = RUNOPS_DEFAULT;
720	ENTER;	809	ENTER;
…		…
723	PUSHMARK (SP);	812	PUSHMARK (SP);
724	PUSHs (&PL_sv_no);	813	PUSHs (&PL_sv_no);
725	PUSHs (fullname);	814	PUSHs (fullname);
726	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	815	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
727	PUTBACK;	816	PUTBACK;
728	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);
729	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);
730	SPAGAIN;	819	SPAGAIN;
731	FREETMPS;	820	FREETMPS;
732	LEAVE;	821	LEAVE;
733	PL_runops = runops_trace;	822	PL_runops = runops_trace;
…		…
762	PUSHMARK (SP);	851	PUSHMARK (SP);
763	PUSHs (&PL_sv_yes);	852	PUSHs (&PL_sv_yes);
764	PUSHs (fullname);	853	PUSHs (fullname);
765	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);
766	PUTBACK;	855	PUTBACK;
767	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);
768	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);
769	SPAGAIN;	858	SPAGAIN;
770	FREETMPS;	859	FREETMPS;
771	LEAVE;	860	LEAVE;
772	PL_runops = runops_trace;	861	PL_runops = runops_trace;
…		…
786	PL_runops = RUNOPS_DEFAULT;	875	PL_runops = RUNOPS_DEFAULT;
787	PUSHMARK (SP);	876	PUSHMARK (SP);
788	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	877	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
789	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	878	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
790	PUTBACK;	879	PUTBACK;
791	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);
792	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);
793	SPAGAIN;	882	SPAGAIN;
794	FREETMPS;	883	FREETMPS;
795	LEAVE;	884	LEAVE;
796	PL_runops = runops_trace;	885	PL_runops = runops_trace;
…		…
806		895
807	/* 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 */
808	/* _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 */
809	/* during execution of a perl program */	898	/* during execution of a perl program */
810	static void NOINLINE	899	static void NOINLINE
811	prepare_cctx (pTHX_ coro_cctx *cctx)	900	cctx_prepare (pTHX_ coro_cctx *cctx)
812	{	901	{
813	dSP;	902	dSP;
814	LOGOP myop;	903	LOGOP myop;
815		904
816	PL_top_env = &PL_start_env;	905	PL_top_env = &PL_start_env;
…		…
834		923
835	/*	924	/*
836	* this is a _very_ stripped down perl interpreter ;)	925	* this is a _very_ stripped down perl interpreter ;)
837	*/	926	*/
838	static void	927	static void
839	coro_run (void *arg)	928	cctx_run (void *arg)
840	{	929	{
841	dTHX;	930	dTHX;
842		931
843	/* coro_run is the alternative tail of transfer(), so unlock here. */	932	/* cctx_run is the alternative tail of transfer(), so unlock here. */
844	UNLOCK;	933	UNLOCK;
845		934
846	/* we now skip the entersub that lead to transfer() */	935	/* we now skip the entersub that lead to transfer() */
847	PL_op = PL_op->op_next;	936	PL_op = PL_op->op_next;
848		937
849	/* inject a fake subroutine call to cctx_init */	938	/* inject a fake subroutine call to cctx_init */
850	prepare_cctx (aTHX_ (coro_cctx *)arg);	939	cctx_prepare (aTHX_ (coro_cctx *)arg);
851		940
852	/* 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 */
853	PL_restartop = PL_op;	942	PL_restartop = PL_op;
854	perl_run (PL_curinterp);	943	perl_run (PL_curinterp);
855		944
…		…
874	++cctx_count;	963	++cctx_count;
875		964
876	Newz (0, cctx, 1, coro_cctx);	965	Newz (0, cctx, 1, coro_cctx);
877		966
878	#if HAVE_MMAP	967	#if HAVE_MMAP
879
880	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;
881	/* mmap supposedly does allocate-on-write for us */	969	/* mmap supposedly does allocate-on-write for us */
882	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);
883		971
884	if (cctx->sptr != (void *)-1)	972	if (cctx->sptr != (void *)-1)
…		…
905	stack_start = cctx->sptr;	993	stack_start = cctx->sptr;
906	stack_size = cctx->ssize;	994	stack_size = cctx->ssize;
907	}	995	}
908		996
909	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	997	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
910	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);
911		999
912	return cctx;	1000	return cctx;
913	}	1001	}
914		1002
915	static void	1003	static void
…		…
932	Safefree (cctx->sptr);	1020	Safefree (cctx->sptr);
933		1021
934	Safefree (cctx);	1022	Safefree (cctx);
935	}	1023	}
936		1024
		1025	/* wether this cctx should be destructed */
		1026	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1027
937	static coro_cctx *	1028	static coro_cctx *
938	cctx_get (pTHX)	1029	cctx_get (pTHX)
939	{	1030	{
940	while (cctx_first)	1031	while (expect_true (cctx_first))
941	{	1032	{
942	coro_cctx *cctx = cctx_first;	1033	coro_cctx *cctx = cctx_first;
943	cctx_first = cctx->next;	1034	cctx_first = cctx->next;
944	--cctx_idle;	1035	--cctx_idle;
945		1036
946	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1037	if (expect_true (!CCTX_EXPIRED (cctx)))
947	return cctx;	1038	return cctx;
948		1039
949	cctx_destroy (cctx);	1040	cctx_destroy (cctx);
950	}	1041	}
951		1042
…		…
954		1045
955	static void	1046	static void
956	cctx_put (coro_cctx *cctx)	1047	cctx_put (coro_cctx *cctx)
957	{	1048	{
958	/* free another cctx if overlimit */	1049	/* free another cctx if overlimit */
959	if (cctx_idle >= MAX_IDLE_CCTX)	1050	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
960	{	1051	{
961	coro_cctx *first = cctx_first;	1052	coro_cctx *first = cctx_first;
962	cctx_first = first->next;	1053	cctx_first = first->next;
963	--cctx_idle;	1054	--cctx_idle;
964		1055
…		…
970	cctx_first = cctx;	1061	cctx_first = cctx;
971	}	1062	}
972		1063
973	/ coroutine switching ***************************************************/	1064	/ coroutine switching ***************************************************/
974		1065
975	static void NOINLINE	1066	static void
976	transfer_check (pTHX_ struct coro prev, struct coro next)	1067	transfer_check (pTHX_ struct coro prev, struct coro next)
977	{	1068	{
978	if (prev != next)	1069	if (expect_true (prev != next))
979	{	1070	{
980	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1071	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
981	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1072	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
982		1073
983	if (next->flags & CF_RUNNING)	1074	if (expect_false (next->flags & CF_RUNNING))
984	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");
985		1076
986	if (next->flags & CF_DESTROYED)	1077	if (expect_false (next->flags & CF_DESTROYED))
987	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");
988		1079
		1080	if (
		1081	#if PERL_VERSION_ATLEAST (5,9,0)
		1082	expect_false (PL_parser)
		1083	#else
989	if (PL_lex_state != LEX_NOTPARSING)	1084	expect_false (PL_lex_state != LEX_NOTPARSING)
		1085	#endif
		1086	)
990	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");
991	}	1088	}
992	}	1089	}
993		1090
994	/* always use the TRANSFER macro */	1091	/* always use the TRANSFER macro */
…		…
996	transfer (pTHX_ struct coro prev, struct coro next)	1093	transfer (pTHX_ struct coro prev, struct coro next)
997	{	1094	{
998	dSTACKLEVEL;	1095	dSTACKLEVEL;
999		1096
1000	/* sometimes transfer is only called to set idle_sp */	1097	/* sometimes transfer is only called to set idle_sp */
1001	if (!next)	1098	if (expect_false (!next))
1002	{	1099	{
1003	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1100	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1004	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1101	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1005	}	1102	}
1006	else if (prev != next)	1103	else if (expect_true (prev != next))
1007	{	1104	{
1008	coro_cctx *prev__cctx;	1105	coro_cctx *prev__cctx;
1009		1106
1010	if (prev->flags & CF_NEW)	1107	if (expect_false (prev->flags & CF_NEW))
1011	{	1108	{
1012	/* create a new empty context */	1109	/* create a new empty context */
1013	Newz (0, prev->cctx, 1, coro_cctx);	1110	Newz (0, prev->cctx, 1, coro_cctx);
1014	prev->flags &= ~CF_NEW;	1111	prev->flags &= ~CF_NEW;
1015	prev->flags \|= CF_RUNNING;	1112	prev->flags \|= CF_RUNNING;
…		…
1018	prev->flags &= ~CF_RUNNING;	1115	prev->flags &= ~CF_RUNNING;
1019	next->flags \|= CF_RUNNING;	1116	next->flags \|= CF_RUNNING;
1020		1117
1021	LOCK;	1118	LOCK;
1022		1119
1023	if (next->flags & CF_NEW)	1120	if (expect_false (next->flags & CF_NEW))
1024	{	1121	{
1025	/* need to start coroutine */	1122	/* need to start coroutine */
1026	next->flags &= ~CF_NEW;	1123	next->flags &= ~CF_NEW;
1027	/* first get rid of the old state */	1124	/* first get rid of the old state */
1028	save_perl (aTHX_ prev);	1125	save_perl (aTHX_ prev);
…		…
1037	}	1134	}
1038		1135
1039	prev__cctx = prev->cctx;	1136	prev__cctx = prev->cctx;
1040		1137
1041	/* possibly "free" the cctx */	1138	/* possibly "free" the cctx */
1042	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1139	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1043	{	1140	{
1044	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1141	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1045	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1142	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1046		1143
1047	prev->cctx = 0;	1144	prev->cctx = 0;
1048		1145
		1146	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1147	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1148	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1149	if (!next->cctx)
		1150	next->cctx = cctx_get (aTHX);
		1151
1049	cctx_put (prev__cctx);	1152	cctx_put (prev__cctx);
1050	}	1153	}
1051		1154
1052	++next->usecount;	1155	++next->usecount;
1053		1156
1054	if (!next->cctx)	1157	if (expect_true (!next->cctx))
1055	next->cctx = cctx_get (aTHX);	1158	next->cctx = cctx_get (aTHX);
1056		1159
1057	if (prev__cctx != next->cctx)	1160	if (expect_false (prev__cctx != next->cctx))
1058	{	1161	{
1059	prev__cctx->top_env = PL_top_env;	1162	prev__cctx->top_env = PL_top_env;
1060	PL_top_env = next->cctx->top_env;	1163	PL_top_env = next->cctx->top_env;
1061	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1164	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1062	}	1165	}
1063		1166
1064	free_coro_mortal (aTHX);	1167	free_coro_mortal (aTHX);
1065	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	}
1066	}	1182	}
1067	}	1183	}
1068		1184
1069	struct transfer_args	1185	struct transfer_args
1070	{	1186	{
…		…
1105	save_perl (aTHX_ &temp);	1221	save_perl (aTHX_ &temp);
1106	load_perl (aTHX_ coro);	1222	load_perl (aTHX_ coro);
1107		1223
1108	coro_destroy (aTHX_ coro);	1224	coro_destroy (aTHX_ coro);
1109		1225
1110	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1226	load_perl (aTHX_ &temp);
1111		1227
1112	coro->mainstack = 0;	1228	coro->slot = 0;
1113	}	1229	}
1114		1230
1115	cctx_destroy (coro->cctx);	1231	cctx_destroy (coro->cctx);
1116	SvREFCNT_dec (coro->args);	1232	SvREFCNT_dec (coro->args);
1117		1233
…		…
1242	{	1358	{
1243	LOCK;	1359	LOCK;
1244	next_sv = coro_deq (aTHX_ PRIO_MIN);	1360	next_sv = coro_deq (aTHX_ PRIO_MIN);
1245		1361
1246	/* nothing to schedule: call the idle handler */	1362	/* nothing to schedule: call the idle handler */
1247	if (!next_sv)	1363	if (expect_false (!next_sv))
1248	{	1364	{
1249	dSP;	1365	dSP;
1250	UNLOCK;	1366	UNLOCK;
1251		1367
1252	ENTER;	1368	ENTER;
…		…
1262	}	1378	}
1263		1379
1264	ta->next = SvSTATE (next_sv);	1380	ta->next = SvSTATE (next_sv);
1265		1381
1266	/* cannot transfer to destroyed coros, skip and look for next */	1382	/* cannot transfer to destroyed coros, skip and look for next */
1267	if (ta->next->flags & CF_DESTROYED)	1383	if (expect_false (ta->next->flags & CF_DESTROYED))
1268	{	1384	{
1269	UNLOCK;	1385	UNLOCK;
1270	SvREFCNT_dec (next_sv);	1386	SvREFCNT_dec (next_sv);
1271	/* coro_nready is already taken care of by destroy */	1387	/* coro_nready is already taken care of by destroy */
1272	continue;	1388	continue;
…		…
1328	dTHX;	1444	dTHX;
1329	struct transfer_args ta;	1445	struct transfer_args ta;
1330		1446
1331	prepare_cede (aTHX_ &ta);	1447	prepare_cede (aTHX_ &ta);
1332		1448
1333	if (ta.prev != ta.next)	1449	if (expect_true (ta.prev != ta.next))
1334	{	1450	{
1335	TRANSFER (ta);	1451	TRANSFER (ta);
1336	return 1;	1452	return 1;
1337	}	1453	}
1338	else	1454	else
…		…
1374	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1490	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1375		1491
1376	if (coro->flags & CF_RUNNING)	1492	if (coro->flags & CF_RUNNING)
1377	PL_runops = RUNOPS_DEFAULT;	1493	PL_runops = RUNOPS_DEFAULT;
1378	else	1494	else
1379	coro->runops = RUNOPS_DEFAULT;	1495	coro->slot->runops = RUNOPS_DEFAULT;
1380	}	1496	}
1381	}	1497	}
1382		1498
1383	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1499	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1384		1500
…		…
1389	#ifdef USE_ITHREADS	1505	#ifdef USE_ITHREADS
1390	MUTEX_INIT (&coro_mutex);	1506	MUTEX_INIT (&coro_mutex);
1391	#endif	1507	#endif
1392	BOOT_PAGESIZE;	1508	BOOT_PAGESIZE;
1393		1509
1394	irsgv = gv_fetchpv ("/", 1, SVt_PV);	1510	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		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);
1395		1519
1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1520	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1397		1521
1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1522	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1523	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1405		1529
1406	while (main_top_env->je_prev)	1530	while (main_top_env->je_prev)
1407	main_top_env = main_top_env->je_prev;	1531	main_top_env = main_top_env->je_prev;
1408		1532
1409	coroapi.ver = CORO_API_VERSION;	1533	coroapi.ver = CORO_API_VERSION;
		1534	coroapi.rev = CORO_API_REVISION;
1410	coroapi.transfer = api_transfer;	1535	coroapi.transfer = api_transfer;
1411		1536
1412	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1537	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1413	}	1538	}
1414		1539
…		…
1430		1555
1431	coro->hv = hv = newHV ();	1556	coro->hv = hv = newHV ();
1432	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1557	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1433	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1558	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1434		1559
		1560	av_extend (coro->args, items - 1);
1435	for (i = 1; i < items; i++)	1561	for (i = 1; i < items; i++)
1436	av_push (coro->args, newSVsv (ST (i)));	1562	av_push (coro->args, newSVsv (ST (i)));
1437	}	1563	}
1438	OUTPUT:	1564	OUTPUT:
1439	RETVAL	1565	RETVAL
…		…
1480		1606
1481	break;	1607	break;
1482	}	1608	}
1483		1609
1484	BARRIER;	1610	BARRIER;
		1611	PUTBACK;
1485	TRANSFER (ta);	1612	TRANSFER (ta);
1486		1613	SPAGAIN; /* might be the sp of a different coroutine now */
1487	if (GIMME_V != G_VOID && ta.next != ta.prev)	1614	/* be extra careful not to ever do anything after TRANSFER */
1488	XSRETURN_YES;
1489	}	1615	}
1490		1616
1491	bool	1617	bool
1492	_destroy (SV *coro_sv)	1618	_destroy (SV *coro_sv)
1493	CODE:	1619	CODE:
…		…
1542	CODE:	1668	CODE:
1543	{	1669	{
1544	if (coro->mainstack)	1670	if (coro->mainstack)
1545	{	1671	{
1546	struct coro temp;	1672	struct coro temp;
1547	Zero (&temp, 1, struct coro);
1548		1673
1549	if (!(coro->flags & CF_RUNNING))	1674	if (!(coro->flags & CF_RUNNING))
1550	{	1675	{
1551	save_perl (aTHX_ &temp);	1676	save_perl (aTHX_ &temp);
1552	load_perl (aTHX_ coro);	1677	load_perl (aTHX_ coro);
…		…
1554		1679
1555	{	1680	{
1556	dSP;	1681	dSP;
1557	ENTER;	1682	ENTER;
1558	SAVETMPS;	1683	SAVETMPS;
		1684	PUTBACK;
		1685	PUSHSTACK;
1559	PUSHMARK (SP);	1686	PUSHMARK (SP);
1560	PUTBACK;	1687
1561	if (ix)	1688	if (ix)
1562	eval_sv (coderef, 0);	1689	eval_sv (coderef, 0);
1563	else	1690	else
1564	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;
1565	SPAGAIN;	1694	SPAGAIN;
1566	FREETMPS;	1695	FREETMPS;
1567	LEAVE;	1696	LEAVE;
1568	PUTBACK;	1697	PUTBACK;
1569	}	1698	}
…		…
1627		1756
1628	BOOT:	1757	BOOT:
1629	{	1758	{
1630	int i;	1759	int i;
1631		1760
1632	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1761	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1633	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1762	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1634	av_async_pool = get_av ("Coro::async_pool", TRUE);	1763	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1635		1764
1636	coro_current = get_sv ("Coro::current", FALSE);	1765	coro_current = coro_get_sv ("Coro::current", FALSE);
1637	SvREADONLY_on (coro_current);	1766	SvREADONLY_on (coro_current);
1638		1767
1639	coro_stash = gv_stashpv ("Coro", TRUE);	1768	coro_stash = gv_stashpv ("Coro", TRUE);
1640		1769
1641	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1770	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1642	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1771	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1643	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1772	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1644	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1773	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1647		1776
1648	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1777	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1649	coro_ready[i] = newAV ();	1778	coro_ready[i] = newAV ();
1650		1779
1651	{	1780	{
1652	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 */
1653		1783
1654	coroapi.schedule = api_schedule;	1784	coroapi.schedule = api_schedule;
1655	coroapi.cede = api_cede;	1785	coroapi.cede = api_cede;
1656	coroapi.cede_notself = api_cede_notself;	1786	coroapi.cede_notself = api_cede_notself;
1657	coroapi.ready = api_ready;	1787	coroapi.ready = api_ready;
…		…
1708	CODE:	1838	CODE:
1709	RETVAL = coro_nready;	1839	RETVAL = coro_nready;
1710	OUTPUT:	1840	OUTPUT:
1711	RETVAL	1841	RETVAL
1712		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
1713	# for async_pool speedup	1850	# for async_pool speedup
1714	void	1851	void
1715	_pool_1 (SV *cb)	1852	_pool_1 (SV *cb)
1716	CODE:	1853	CODE:
1717	{	1854	{
1718	struct coro *coro = SvSTATE (coro_current);	1855	struct coro *coro = SvSTATE (coro_current);
1719	HV hv = (HV )SvRV (coro_current);	1856	HV hv = (HV )SvRV (coro_current);
1720	AV *defav = GvAV (PL_defgv);	1857	AV *defav = GvAV (PL_defgv);
1721	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1858	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1722	AV *invoke_av;	1859	AV *invoke_av;
1723	int i, len;	1860	int i, len;
1724		1861
1725	if (!invoke)	1862	if (!invoke)
1726	croak ("\3terminate\2\n");	1863	croak ("\3async_pool terminate\2\n");
1727		1864
1728	SvREFCNT_dec (coro->asp_deffh);	1865	SvREFCNT_dec (coro->saved_deffh);
1729	coro->asp_deffh = SvREFCNT_inc (PL_defoutgv);	1866	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1730		1867
1731	hv_store (hv, "desc", sizeof ("desc") - 1,	1868	hv_store (hv, "desc", sizeof ("desc") - 1,
1732	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1869	newSVpvn (strpair ("[async_pool]")), 0);
1733		1870
1734	invoke_av = (AV *)SvRV (invoke);	1871	invoke_av = (AV *)SvRV (invoke);
1735	len = av_len (invoke_av);	1872	len = av_len (invoke_av);
1736		1873
1737	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1874	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1752	{	1889	{
1753	struct coro *coro = SvSTATE (coro_current);	1890	struct coro *coro = SvSTATE (coro_current);
1754		1891
1755	sv_setsv (cb, &PL_sv_undef);	1892	sv_setsv (cb, &PL_sv_undef);
1756		1893
1757	SvREFCNT_dec (PL_defoutgv); PL_defoutgv = coro->asp_deffh;	1894	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1758	coro->asp_deffh = 0;	1895	coro->saved_deffh = 0;
1759		1896
1760	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1897	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1898	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1762	croak ("\3terminate\2\n");	1899	croak ("\3async_pool terminate\2\n");
1763		1900
1764	av_clear (GvAV (PL_defgv));	1901	av_clear (GvAV (PL_defgv));
1765	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1902	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1766	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1903	newSVpvn (strpair ("[async_pool idle]")), 0);
1767		1904
1768	coro->prio = 0;	1905	coro->prio = 0;
1769		1906
1770	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1907	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1771	api_trace (coro_current, 0);	1908	api_trace (coro_current, 0);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.183 by root, Wed Oct 3 19:19:06 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 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs.
Revision 1.211 by root, Wed Oct 10 03:37:58 2007 UTC