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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.191 by root, Fri Oct 5 20:47:49 2007 UTC vs.
Revision 1.209 by root, Wed Oct 10 02:58:17 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
106	#define IN_DESTRUCT (PL_main_cv == Nullcv)	108	#define IN_DESTRUCT (PL_main_cv == Nullcv)
107		109
108	#if __GNUC__ >= 3	110	#if __GNUC__ >= 3
109	# define attribute(x) __attribute__(x)	111	# define attribute(x) __attribute__(x)
110	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	112	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		113	# define expect(expr,value) __builtin_expect ((expr),(value))
111	#else	114	#else
112	# define attribute(x)	115	# define attribute(x)
113	# define BARRIER	116	# define BARRIER
		117	# define expect(expr,value) (expr)
114	#endif	118	#endif
		119
		120	#define expect_false(expr) expect ((expr) != 0, 0)
		121	#define expect_true(expr) expect ((expr) != 0, 1)
115		122
116	#define NOINLINE attribute ((noinline))	123	#define NOINLINE attribute ((noinline))
117		124
118	#include "CoroAPI.h"	125	#include "CoroAPI.h"
119		126
…		…
124	#else	131	#else
125	# define LOCK (void)0	132	# define LOCK (void)0
126	# define UNLOCK (void)0	133	# define UNLOCK (void)0
127	#endif	134	#endif
128		135
		136	#define strpair(const) const, sizeof (const) - 1
		137
129	/* helper storage struct for Coro::AIO */	138	/* helper storage struct for Coro::AIO */
130	struct io_state	139	struct io_state
131	{	140	{
132	int errorno;	141	int errorno;
133	I32 laststype;	142	I32 laststype;
…		…
143	static SV coro_mortal; / will be freed after next transfer */	152	static SV coro_mortal; / will be freed after next transfer */
144		153
145	static GV irsgv; / $/ */	154	static GV irsgv; / $/ */
146	static GV stdoutgv; / STDOUT /	155	static GV stdoutgv; / STDOUT /
147		156
		157	static HV hv_sig; / %SIG */
		158	static SV *sv_diehook;
		159	static SV *sv_warnhook;
		160
148	/* async_pool helper stuff */	161	/* async_pool helper stuff */
149	static SV *sv_pool_rss;	162	static SV *sv_pool_rss;
150	static SV *sv_pool_size;	163	static SV *sv_pool_size;
151	static AV *av_async_pool;	164	static AV *av_async_pool;
152		165
153	static struct coro_cctx *cctx_first;	166	static struct coro_cctx cctx_first[3]; / index by GIMME_V type, void, scalar, array */
154	static int cctx_count, cctx_idle;	167	static int cctx_count, cctx_idle[3];
155		168
156	enum {	169	enum {
157	CC_MAPPED = 0x01,	170	CC_MAPPED = 0x01,
158	CC_NOREUSE = 0x02, /* throw this away after tracing */	171	CC_NOREUSE = 0x02, /* throw this away after tracing */
159	CC_TRACE = 0x04,	172	CC_TRACE = 0x04,
…		…
187	CF_READY = 0x0002, /* coroutine is ready */	200	CF_READY = 0x0002, /* coroutine is ready */
188	CF_NEW = 0x0004, /* has never been switched to */	201	CF_NEW = 0x0004, /* has never been switched to */
189	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	202	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
190	};	203	};
191		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
192	/* this is a structure representing a perl-level coroutine */	218	/* this is a structure representing a perl-level coroutine */
193	struct coro {	219	struct coro {
194	/* the c coroutine allocated to this perl coroutine, if any */	220	/* the c coroutine allocated to this perl coroutine, if any */
195	coro_cctx *cctx;	221	coro_cctx *cctx;
		222	int gimme;
196		223
		224	/* process data */
		225	AV *mainstack;
		226	perl_slots slot; / basically the saved sp */
		227
197	/* data associated with this coroutine (initial args) */	228	AV args; / data associated with this coroutine (initial args) */
198	AV *args;	229	int refcnt; /* coroutines are refcounted, yes */
199	int refcnt;
200	int flags; /* CF_ flags */	230	int flags; /* CF_ flags */
201		231	HV hv; / the perl hash associated with this coro, if any */
202	/* optionally saved, might be zero */
203	AV defav; / @_ */
204	SV defsv; / $_ */
205	SV errsv; / $@ */
206	SV deffh; / default filehandle */
207	SV irssv; / $/ */
208	SV irssv_sv; / real $/ cache */
209
210	#define VAR(name,type) type name;
211	# include "state.h"
212	#undef VAR
213		232
214	/* statistics */	233	/* statistics */
215	int usecount; /* number of transfers to this coro */	234	int usecount; /* number of transfers to this coro */
216		235
217	/* coro process data */	236	/* coro process data */
218	int prio;	237	int prio;
219	//SV *throw;	238	SV throw; / exception to be thrown */
220		239
221	/* async_pool */	240	/* async_pool */
222	SV *saved_deffh;	241	SV *saved_deffh;
223		242
224	/* linked list */	243	/* linked list */
225	struct coro next, prev;	244	struct coro next, prev;
226	HV hv; / the perl hash associated with this coro, if any */
227	};	245	};
228		246
229	typedef struct coro *Coro__State;	247	typedef struct coro *Coro__State;
230	typedef struct coro *Coro__State_or_hashref;	248	typedef struct coro *Coro__State_or_hashref;
231		249
…		…
243	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	261	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
244	static int coro_nready;	262	static int coro_nready;
245	static struct coro *coro_first;	263	static struct coro *coro_first;
246		264
247	/ lowlevel stuff ********************************************************/	265	/ lowlevel stuff ********************************************************/
		266
		267	static SV *
		268	coro_get_sv (const char *name, int create)
		269	{
		270	#if PERL_VERSION_ATLEAST (5,9,0)
		271	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		272	get_sv (name, create);
		273	#endif
		274	return get_sv (name, create);
		275	}
		276
		277	static AV *
		278	coro_get_av (const char *name, int create)
		279	{
		280	#if PERL_VERSION_ATLEAST (5,9,0)
		281	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		282	get_av (name, create);
		283	#endif
		284	return get_av (name, create);
		285	}
		286
		287	static HV *
		288	coro_get_hv (const char *name, int create)
		289	{
		290	#if PERL_VERSION_ATLEAST (5,9,0)
		291	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		292	get_hv (name, create);
		293	#endif
		294	return get_hv (name, create);
		295	}
248		296
249	static AV *	297	static AV *
250	coro_clone_padlist (pTHX_ CV *cv)	298	coro_clone_padlist (pTHX_ CV *cv)
251	{	299	{
252	AV *padlist = CvPADLIST (cv);	300	AV *padlist = CvPADLIST (cv);
…		…
325	MAGIC *mg;	373	MAGIC *mg;
326		374
327	if (SvROK (coro))	375	if (SvROK (coro))
328	coro = SvRV (coro);	376	coro = SvRV (coro);
329		377
330	if (SvTYPE (coro) != SVt_PVHV)	378	if (expect_false (SvTYPE (coro) != SVt_PVHV))
331	croak ("Coro::State object required");	379	croak ("Coro::State object required");
332		380
333	stash = SvSTASH (coro);	381	stash = SvSTASH (coro);
334	if (stash != coro_stash && stash != coro_state_stash)	382	if (expect_false (stash != coro_stash && stash != coro_state_stash))
335	{	383	{
336	/* very slow, but rare, check */	384	/* very slow, but rare, check */
337	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	385	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
338	croak ("Coro::State object required");	386	croak ("Coro::State object required");
339	}	387	}
…		…
349	get_padlist (pTHX_ CV *cv)	397	get_padlist (pTHX_ CV *cv)
350	{	398	{
351	MAGIC *mg = CORO_MAGIC (cv);	399	MAGIC *mg = CORO_MAGIC (cv);
352	AV *av;	400	AV *av;
353		401
354	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	402	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
355	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	403	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
356	else	404	else
357	{	405	{
358	#if CORO_PREFER_PERL_FUNCTIONS	406	#if CORO_PREFER_PERL_FUNCTIONS
359	/* this is probably cleaner, but also slower? */	407	/* this is probably cleaner, but also slower? */
…		…
371	put_padlist (pTHX_ CV *cv)	419	put_padlist (pTHX_ CV *cv)
372	{	420	{
373	MAGIC *mg = CORO_MAGIC (cv);	421	MAGIC *mg = CORO_MAGIC (cv);
374	AV *av;	422	AV *av;
375		423
376	if (!mg)	424	if (expect_false (!mg))
377	{	425	{
378	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	426	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
379	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	427	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
380	mg->mg_virtual = &vtbl_coro;	428	mg->mg_virtual = &vtbl_coro;
381	mg->mg_obj = (SV *)newAV ();	429	mg->mg_obj = (SV *)newAV ();
382	}	430	}
383		431
384	av = (AV *)mg->mg_obj;	432	av = (AV *)mg->mg_obj;
385		433
386	if (AvFILLp (av) >= AvMAX (av))	434	if (expect_false (AvFILLp (av) >= AvMAX (av)))
387	av_extend (av, AvMAX (av) + 1);	435	av_extend (av, AvMAX (av) + 1);
388		436
389	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	437	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
390	}	438	}
391		439
392	/ load & save, init *****************************************************/	440	/ load & save, init *****************************************************/
393		441
394	static void	442	static void
395	load_perl (pTHX_ Coro__State c)	443	load_perl (pTHX_ Coro__State c)
396	{	444	{
		445	perl_slots *slot = c->slot;
		446	c->slot = 0;
		447
		448	PL_mainstack = c->mainstack;
		449
		450	GvSV (PL_defgv) = slot->defsv;
		451	GvAV (PL_defgv) = slot->defav;
		452	GvSV (PL_errgv) = slot->errsv;
		453	GvSV (irsgv) = slot->irsgv;
		454
397	#define VAR(name,type) PL_ ## name = c->name;	455	#define VAR(name,type) PL_ ## name = slot->name;
398	# include "state.h"	456	# include "state.h"
399	#undef VAR	457	#undef VAR
400		458
401	GvSV (PL_defgv) = c->defsv;	459	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
402	GvAV (PL_defgv) = c->defav;	460	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
403	GvSV (PL_errgv) = c->errsv;
404	GvSV (irsgv) = c->irssv_sv;
405		461
406	{	462	{
407	dSP;	463	dSP;
		464
408	CV *cv;	465	CV *cv;
409		466
410	/* now do the ugly restore mess */	467	/* now do the ugly restore mess */
411	while ((cv = (CV *)POPs))	468	while (expect_true (cv = (CV *)POPs))
412	{	469	{
413	put_padlist (aTHX_ cv); /* mark this padlist as available */	470	put_padlist (aTHX_ cv); /* mark this padlist as available */
414	CvDEPTH (cv) = PTR2IV (POPs);	471	CvDEPTH (cv) = PTR2IV (POPs);
415	CvPADLIST (cv) = (AV *)POPs;	472	CvPADLIST (cv) = (AV *)POPs;
416	}	473	}
…		…
435		492
436	XPUSHs (Nullsv);	493	XPUSHs (Nullsv);
437	/* this loop was inspired by pp_caller */	494	/* this loop was inspired by pp_caller */
438	for (;;)	495	for (;;)
439	{	496	{
440	while (cxix >= 0)	497	while (expect_true (cxix >= 0))
441	{	498	{
442	PERL_CONTEXT *cx = &ccstk[cxix--];	499	PERL_CONTEXT *cx = &ccstk[cxix--];
443		500
444	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	501	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
445	{	502	{
446	CV *cv = cx->blk_sub.cv;	503	CV *cv = cx->blk_sub.cv;
447		504
448	if (CvDEPTH (cv))	505	if (expect_true (CvDEPTH (cv)))
449	{	506	{
450	EXTEND (SP, 3);	507	EXTEND (SP, 3);
451	PUSHs ((SV *)CvPADLIST (cv));	508	PUSHs ((SV *)CvPADLIST (cv));
452	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	509	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
453	PUSHs ((SV *)cv);	510	PUSHs ((SV *)cv);
…		…
456	get_padlist (aTHX_ cv);	513	get_padlist (aTHX_ cv);
457	}	514	}
458	}	515	}
459	}	516	}
460		517
461	if (top_si->si_type == PERLSI_MAIN)	518	if (expect_true (top_si->si_type == PERLSI_MAIN))
462	break;	519	break;
463		520
464	top_si = top_si->si_prev;	521	top_si = top_si->si_prev;
465	ccstk = top_si->si_cxstack;	522	ccstk = top_si->si_cxstack;
466	cxix = top_si->si_cxix;	523	cxix = top_si->si_cxix;
467	}	524	}
468		525
469	PUTBACK;	526	PUTBACK;
470	}	527	}
471		528
		529	/* allocate some space on the context stack for our purposes */
		530	/* we manually unroll here, as usually 2 slots is enough */
		531	if (SLOT_COUNT >= 1) CXINC;
		532	if (SLOT_COUNT >= 2) CXINC;
		533	if (SLOT_COUNT >= 3) CXINC;
		534	{
		535	int i;
		536	for (i = 3; i < SLOT_COUNT; ++i)
		537	CXINC;
		538	}
		539	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		540
		541	c->mainstack = PL_mainstack;
		542
		543	{
		544	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		545
472	c->defav = GvAV (PL_defgv);	546	slot->defav = GvAV (PL_defgv);
473	c->defsv = DEFSV;	547	slot->defsv = DEFSV;
474	c->errsv = ERRSV;	548	slot->errsv = ERRSV;
475	c->irssv_sv = GvSV (irsgv);	549	slot->irsgv = GvSV (irsgv);
476		550
477	#define VAR(name,type)c->name = PL_ ## name;	551	#define VAR(name,type) slot->name = PL_ ## name;
478	# include "state.h"	552	# include "state.h"
479	#undef VAR	553	#undef VAR
		554	}
480	}	555	}
481		556
482	/*	557	/*
483	* allocate various perl stacks. This is an exact copy	558	* allocate various perl stacks. This is an exact copy
484	* of perl.c:init_stacks, except that it uses less memory	559	* of perl.c:init_stacks, except that it uses less memory
…		…
489	# define coro_init_stacks init_stacks	564	# define coro_init_stacks init_stacks
490	#else	565	#else
491	static void	566	static void
492	coro_init_stacks (pTHX)	567	coro_init_stacks (pTHX)
493	{	568	{
494	PL_curstackinfo = new_stackinfo(64, 6);	569	PL_curstackinfo = new_stackinfo(32, 8);
495	PL_curstackinfo->si_type = PERLSI_MAIN;	570	PL_curstackinfo->si_type = PERLSI_MAIN;
496	PL_curstack = PL_curstackinfo->si_stack;	571	PL_curstack = PL_curstackinfo->si_stack;
497	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	572	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
498		573
499	PL_stack_base = AvARRAY(PL_curstack);	574	PL_stack_base = AvARRAY(PL_curstack);
500	PL_stack_sp = PL_stack_base;	575	PL_stack_sp = PL_stack_base;
501	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	576	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
502		577
503	New(50,PL_tmps_stack,64,SV*);	578	New(50,PL_tmps_stack,32,SV*);
504	PL_tmps_floor = -1;	579	PL_tmps_floor = -1;
505	PL_tmps_ix = -1;	580	PL_tmps_ix = -1;
506	PL_tmps_max = 64;	581	PL_tmps_max = 32;
507		582
508	New(54,PL_markstack,16,I32);	583	New(54,PL_markstack,16,I32);
509	PL_markstack_ptr = PL_markstack;	584	PL_markstack_ptr = PL_markstack;
510	PL_markstack_max = PL_markstack + 16;	585	PL_markstack_max = PL_markstack + 16;
511		586
512	#ifdef SET_MARK_OFFSET	587	#ifdef SET_MARK_OFFSET
513	SET_MARK_OFFSET;	588	SET_MARK_OFFSET;
514	#endif	589	#endif
515		590
516	New(54,PL_scopestack,16,I32);	591	New(54,PL_scopestack,8,I32);
517	PL_scopestack_ix = 0;	592	PL_scopestack_ix = 0;
518	PL_scopestack_max = 16;	593	PL_scopestack_max = 8;
519		594
520	New(54,PL_savestack,64,ANY);	595	New(54,PL_savestack,24,ANY);
521	PL_savestack_ix = 0;	596	PL_savestack_ix = 0;
522	PL_savestack_max = 64;	597	PL_savestack_max = 24;
523		598
524	#if !PERL_VERSION_ATLEAST (5,9,0)	599	#if !PERL_VERSION_ATLEAST (5,9,0)
525	New(54,PL_retstack,4,OP*);	600	New(54,PL_retstack,4,OP*);
526	PL_retstack_ix = 0;	601	PL_retstack_ix = 0;
527	PL_retstack_max = 4;	602	PL_retstack_max = 4;
…		…
564	{	639	{
565	size_t rss = sizeof (*coro);	640	size_t rss = sizeof (*coro);
566		641
567	if (coro->mainstack)	642	if (coro->mainstack)
568	{	643	{
		644	perl_slots tmp_slot;
		645	perl_slots *slot;
		646
569	if (coro->flags & CF_RUNNING)	647	if (coro->flags & CF_RUNNING)
570	{	648	{
		649	slot = &tmp_slot;
		650
571	#define VAR(name,type)coro->name = PL_ ## name;	651	#define VAR(name,type) slot->name = PL_ ## name;
572	# include "state.h"	652	# include "state.h"
573	#undef VAR	653	#undef VAR
574	}	654	}
		655	else
		656	slot = coro->slot;
575		657
576	rss += sizeof (coro->curstackinfo);	658	rss += sizeof (slot->curstackinfo);
577	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
578	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	659	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
579	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	660	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
580	rss += coro->tmps_max * sizeof (SV *);	661	rss += slot->tmps_max * sizeof (SV *);
581	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	662	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
582	rss += coro->scopestack_max * sizeof (I32);	663	rss += slot->scopestack_max * sizeof (I32);
583	rss += coro->savestack_max * sizeof (ANY);	664	rss += slot->savestack_max * sizeof (ANY);
584		665
585	#if !PERL_VERSION_ATLEAST (5,9,0)	666	#if !PERL_VERSION_ATLEAST (5,9,0)
586	rss += coro->retstack_max * sizeof (OP *);	667	rss += slot->retstack_max * sizeof (OP *);
587	#endif	668	#endif
588	}	669	}
589		670
590	return rss;	671	return rss;
591	}	672	}
…		…
603	PL_runops = RUNOPS_DEFAULT;	684	PL_runops = RUNOPS_DEFAULT;
604	PL_curcop = &PL_compiling;	685	PL_curcop = &PL_compiling;
605	PL_in_eval = EVAL_NULL;	686	PL_in_eval = EVAL_NULL;
606	PL_comppad = 0;	687	PL_comppad = 0;
607	PL_curpm = 0;	688	PL_curpm = 0;
		689	PL_curpad = 0;
608	PL_localizing = 0;	690	PL_localizing = 0;
609	PL_dirty = 0;	691	PL_dirty = 0;
610	PL_restartop = 0;	692	PL_restartop = 0;
		693	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		694	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
611		695
612	GvSV (PL_defgv) = newSV (0);	696	GvSV (PL_defgv) = newSV (0);
613	GvAV (PL_defgv) = coro->args; coro->args = 0;	697	GvAV (PL_defgv) = coro->args; coro->args = 0;
614	GvSV (PL_errgv) = newSV (0);	698	GvSV (PL_errgv) = newSV (0);
615	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	699	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
616	PL_rs = newSVsv (GvSV (irsgv));	700	PL_rs = newSVsv (GvSV (irsgv));
617	PL_defoutgv = SvREFCNT_inc (stdoutgv);	701	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
618		702
619	{	703	{
620	dSP;	704	dSP;
621	LOGOP myop;	705	LOGOP myop;
622		706
623	Zero (&myop, 1, LOGOP);	707	Zero (&myop, 1, LOGOP);
624	myop.op_next = Nullop;	708	myop.op_next = Nullop;
625	myop.op_flags = OPf_WANT_VOID;	709	myop.op_flags = OPf_WANT_VOID;
626		710
627	PUSHMARK (SP);	711	PUSHMARK (SP);
628	XPUSHs (av_shift (GvAV (PL_defgv)));	712	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
629	PUTBACK;	713	PUTBACK;
630	PL_op = (OP *)&myop;	714	PL_op = (OP *)&myop;
631	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	715	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
632	SPAGAIN;	716	SPAGAIN;
		717
		718	/*
		719	* now its very tricky. the "tail" of the next transfer might end up
		720	* either in a new cctx, or an existing one.
		721	* in case of an existing one we have to take care of whatever
		722	* entersub and transfer do to the perl stack.
		723	*/
		724	ENTER;
		725	EXTEND (SP, 4);
		726	PUSHs ((SV )0); / items */
		727	PUSHs ((SV )0); / ix, set_stacklevel */
		728	PUSHs ((SV )(sp - PL_stack_base + 1)); / ax */
		729	PUSHs ((SV )0); / again */
		730	PUTBACK;
633	}	731	}
634
635	ENTER; /* necessary e.g. for dounwind */
636	}	732	}
637		733
638	static void	734	static void
639	coro_destroy (pTHX_ struct coro *coro)	735	coro_destroy (pTHX_ struct coro *coro)
640	{	736	{
…		…
660	SvREFCNT_dec (GvSV (PL_errgv));	756	SvREFCNT_dec (GvSV (PL_errgv));
661	SvREFCNT_dec (PL_defoutgv);	757	SvREFCNT_dec (PL_defoutgv);
662	SvREFCNT_dec (PL_rs);	758	SvREFCNT_dec (PL_rs);
663	SvREFCNT_dec (GvSV (irsgv));	759	SvREFCNT_dec (GvSV (irsgv));
664		760
		761	SvREFCNT_dec (PL_diehook);
		762	SvREFCNT_dec (PL_warnhook);
		763
665	SvREFCNT_dec (coro->saved_deffh);	764	SvREFCNT_dec (coro->saved_deffh);
666	//SvREFCNT_dec (coro->throw);	765	SvREFCNT_dec (coro->throw);
667		766
668	coro_destroy_stacks (aTHX);	767	coro_destroy_stacks (aTHX);
669	}	768	}
670		769
671	static void	770	static void
672	free_coro_mortal (pTHX)	771	free_coro_mortal (pTHX)
673	{	772	{
674	if (coro_mortal)	773	if (expect_true (coro_mortal))
675	{	774	{
676	SvREFCNT_dec (coro_mortal);	775	SvREFCNT_dec (coro_mortal);
677	coro_mortal = 0;	776	coro_mortal = 0;
678	}	777	}
679	}	778	}
…		…
708	bot = PL_stack_base + cx->blk_oldsp + 1;	807	bot = PL_stack_base + cx->blk_oldsp + 1;
709	top = cx->blk_gimme == G_ARRAY ? SP + 1	808	top = cx->blk_gimme == G_ARRAY ? SP + 1
710	: cx->blk_gimme == G_SCALAR ? bot + 1	809	: cx->blk_gimme == G_SCALAR ? bot + 1
711	: bot;	810	: bot;
712		811
		812	av_extend (av, top - bot);
713	while (bot < top)	813	while (bot < top)
714	av_push (av, SvREFCNT_inc (*bot++));	814	av_push (av, SvREFCNT_inc (*bot++));
715		815
716	PL_runops = RUNOPS_DEFAULT;	816	PL_runops = RUNOPS_DEFAULT;
717	ENTER;	817	ENTER;
…		…
720	PUSHMARK (SP);	820	PUSHMARK (SP);
721	PUSHs (&PL_sv_no);	821	PUSHs (&PL_sv_no);
722	PUSHs (fullname);	822	PUSHs (fullname);
723	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	823	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
724	PUTBACK;	824	PUTBACK;
725	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	825	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
726	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	826	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
727	SPAGAIN;	827	SPAGAIN;
728	FREETMPS;	828	FREETMPS;
729	LEAVE;	829	LEAVE;
730	PL_runops = runops_trace;	830	PL_runops = runops_trace;
…		…
759	PUSHMARK (SP);	859	PUSHMARK (SP);
760	PUSHs (&PL_sv_yes);	860	PUSHs (&PL_sv_yes);
761	PUSHs (fullname);	861	PUSHs (fullname);
762	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	862	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
763	PUTBACK;	863	PUTBACK;
764	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	864	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
765	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	865	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
766	SPAGAIN;	866	SPAGAIN;
767	FREETMPS;	867	FREETMPS;
768	LEAVE;	868	LEAVE;
769	PL_runops = runops_trace;	869	PL_runops = runops_trace;
…		…
783	PL_runops = RUNOPS_DEFAULT;	883	PL_runops = RUNOPS_DEFAULT;
784	PUSHMARK (SP);	884	PUSHMARK (SP);
785	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	885	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
786	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	886	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
787	PUTBACK;	887	PUTBACK;
788	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);	888	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
789	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	889	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
790	SPAGAIN;	890	SPAGAIN;
791	FREETMPS;	891	FREETMPS;
792	LEAVE;	892	LEAVE;
793	PL_runops = runops_trace;	893	PL_runops = runops_trace;
…		…
803		903
804	/* inject a fake call to Coro::State::_cctx_init into the execution */	904	/* inject a fake call to Coro::State::_cctx_init into the execution */
805	/* _cctx_init should be careful, as it could be called at almost any time */	905	/* _cctx_init should be careful, as it could be called at almost any time */
806	/* during execution of a perl program */	906	/* during execution of a perl program */
807	static void NOINLINE	907	static void NOINLINE
808	prepare_cctx (pTHX_ coro_cctx *cctx)	908	cctx_prepare (pTHX_ coro_cctx *cctx)
809	{	909	{
810	dSP;	910	dSP;
811	LOGOP myop;	911	LOGOP myop;
812		912
813	PL_top_env = &PL_start_env;	913	PL_top_env = &PL_start_env;
…		…
831		931
832	/*	932	/*
833	* this is a _very_ stripped down perl interpreter ;)	933	* this is a _very_ stripped down perl interpreter ;)
834	*/	934	*/
835	static void	935	static void
836	coro_run (void *arg)	936	cctx_run (void *arg)
837	{	937	{
838	dTHX;	938	dTHX;
839		939
840	/* coro_run is the alternative tail of transfer(), so unlock here. */	940	/* cctx_run is the alternative tail of transfer(), so unlock here. */
841	UNLOCK;	941	UNLOCK;
842		942
843	/* we now skip the entersub that lead to transfer() */	943	/* we now skip the entersub that lead to transfer() */
844	PL_op = PL_op->op_next;	944	PL_op = PL_op->op_next;
845		945
846	/* inject a fake subroutine call to cctx_init */	946	/* inject a fake subroutine call to cctx_init */
847	prepare_cctx (aTHX_ (coro_cctx *)arg);	947	cctx_prepare (aTHX_ (coro_cctx *)arg);
848		948
849	/* somebody or something will hit me for both perl_run and PL_restartop */	949	/* somebody or something will hit me for both perl_run and PL_restartop */
850	PL_restartop = PL_op;	950	PL_restartop = PL_op;
851	perl_run (PL_curinterp);	951	perl_run (PL_curinterp);
852		952
…		…
871	++cctx_count;	971	++cctx_count;
872		972
873	Newz (0, cctx, 1, coro_cctx);	973	Newz (0, cctx, 1, coro_cctx);
874		974
875	#if HAVE_MMAP	975	#if HAVE_MMAP
876
877	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	976	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
878	/* mmap supposedly does allocate-on-write for us */	977	/* mmap supposedly does allocate-on-write for us */
879	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	978	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
880		979
881	if (cctx->sptr != (void *)-1)	980	if (cctx->sptr != (void *)-1)
…		…
902	stack_start = cctx->sptr;	1001	stack_start = cctx->sptr;
903	stack_size = cctx->ssize;	1002	stack_size = cctx->ssize;
904	}	1003	}
905		1004
906	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1005	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
907	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1006	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
908		1007
909	return cctx;	1008	return cctx;
910	}	1009	}
911		1010
912	static void	1011	static void
…		…
929	Safefree (cctx->sptr);	1028	Safefree (cctx->sptr);
930		1029
931	Safefree (cctx);	1030	Safefree (cctx);
932	}	1031	}
933		1032
		1033	/* wether this cctx should be destructed */
		1034	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1035
934	static coro_cctx *	1036	static coro_cctx *
935	cctx_get (pTHX)	1037	cctx_get (pTHX_ int gimme)
936	{	1038	{
937	while (cctx_first)	1039	while (expect_true (cctx_first[gimme]))
938	{	1040	{
939	coro_cctx *cctx = cctx_first;	1041	coro_cctx *cctx = cctx_first[gimme];
940	cctx_first = cctx->next;	1042	cctx_first[gimme] = cctx->next;
941	--cctx_idle;	1043	--cctx_idle[gimme];
942		1044
943	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1045	if (expect_true (!CCTX_EXPIRED (cctx)))
944	return cctx;	1046	return cctx;
945		1047
946	cctx_destroy (cctx);	1048	cctx_destroy (cctx);
947	}	1049	}
948		1050
		1051	assert (!gimme);
949	return cctx_new ();	1052	return cctx_new ();
950	}	1053	}
951		1054
952	static void	1055	static void
953	cctx_put (coro_cctx *cctx)	1056	cctx_put (coro_cctx *cctx, int gimme)
954	{	1057	{
955	/* free another cctx if overlimit */	1058	/* free another cctx if overlimit */
956	if (cctx_idle >= MAX_IDLE_CCTX)	1059	if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX))
957	{	1060	{
958	coro_cctx *first = cctx_first;	1061	coro_cctx *first = cctx_first[gimme];
959	cctx_first = first->next;	1062	cctx_first[gimme] = first->next;
960	--cctx_idle;	1063	--cctx_idle[gimme];
961		1064
962	cctx_destroy (first);	1065	cctx_destroy (first);
963	}	1066	}
964		1067
965	++cctx_idle;	1068	++cctx_idle[gimme];
966	cctx->next = cctx_first;	1069	cctx->next = cctx_first[gimme];
967	cctx_first = cctx;	1070	cctx_first[gimme] = cctx;
968	}	1071	}
969		1072
970	/ coroutine switching ***************************************************/	1073	/ coroutine switching ***************************************************/
971		1074
972	static void NOINLINE	1075	static void
973	transfer_check (pTHX_ struct coro prev, struct coro next)	1076	transfer_check (pTHX_ struct coro prev, struct coro next)
974	{	1077	{
975	if (prev != next)	1078	if (expect_true (prev != next))
976	{	1079	{
977	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1080	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
978	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1081	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
979		1082
980	if (next->flags & CF_RUNNING)	1083	if (expect_false (next->flags & CF_RUNNING))
981	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1084	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
982		1085
983	if (next->flags & CF_DESTROYED)	1086	if (expect_false (next->flags & CF_DESTROYED))
984	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1087	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
985		1088
		1089	if (
		1090	#if PERL_VERSION_ATLEAST (5,9,0)
		1091	expect_false (PL_parser)
		1092	#else
986	if (PL_lex_state != LEX_NOTPARSING)	1093	expect_false (PL_lex_state != LEX_NOTPARSING)
		1094	#endif
		1095	)
987	croak ("Coro::State::transfer called while parsing, but this is not supported");	1096	croak ("Coro::State::transfer called while parsing, but this is not supported");
988	}	1097	}
989	}	1098	}
990		1099
991	/* always use the TRANSFER macro */	1100	/* always use the TRANSFER macro */
…		…
993	transfer (pTHX_ struct coro prev, struct coro next)	1102	transfer (pTHX_ struct coro prev, struct coro next)
994	{	1103	{
995	dSTACKLEVEL;	1104	dSTACKLEVEL;
996		1105
997	/* sometimes transfer is only called to set idle_sp */	1106	/* sometimes transfer is only called to set idle_sp */
998	if (!next)	1107	if (expect_false (!next))
999	{	1108	{
1000	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1109	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1001	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1110	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1002	}	1111	}
1003	else if (prev != next)	1112	else if (expect_true (prev != next))
1004	{	1113	{
1005	coro_cctx *prev__cctx;	1114	coro_cctx *prev__cctx;
1006		1115
1007	if (prev->flags & CF_NEW)	1116	if (expect_false (prev->flags & CF_NEW))
1008	{	1117	{
1009	/* create a new empty context */	1118	/* create a new empty context */
1010	Newz (0, prev->cctx, 1, coro_cctx);	1119	Newz (0, prev->cctx, 1, coro_cctx);
1011	prev->flags &= ~CF_NEW;	1120	prev->flags &= ~CF_NEW;
1012	prev->flags \|= CF_RUNNING;	1121	prev->flags \|= CF_RUNNING;
…		…
1015	prev->flags &= ~CF_RUNNING;	1124	prev->flags &= ~CF_RUNNING;
1016	next->flags \|= CF_RUNNING;	1125	next->flags \|= CF_RUNNING;
1017		1126
1018	LOCK;	1127	LOCK;
1019		1128
1020	if (next->flags & CF_NEW)	1129	if (expect_false (next->flags & CF_NEW))
1021	{	1130	{
1022	/* need to start coroutine */	1131	/* need to start coroutine */
1023	next->flags &= ~CF_NEW;	1132	next->flags &= ~CF_NEW;
1024	/* first get rid of the old state */	1133	/* first get rid of the old state */
1025	save_perl (aTHX_ prev);	1134	save_perl (aTHX_ prev);
…		…
1034	}	1143	}
1035		1144
1036	prev__cctx = prev->cctx;	1145	prev__cctx = prev->cctx;
1037		1146
1038	/* possibly "free" the cctx */	1147	/* possibly "free" the cctx */
1039	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1148	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1040	{	1149	{
1041	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1150	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1042	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1151	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1043		1152
1044	prev->cctx = 0;	1153	prev->cctx = 0;
1045		1154
		1155	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1156	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1157	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1158	if (!next->cctx)
		1159	next->cctx = cctx_get (aTHX_ next->gimme);
		1160
1046	cctx_put (prev__cctx);	1161	cctx_put (prev__cctx, prev->gimme);
1047	}	1162	}
1048		1163
1049	++next->usecount;	1164	++next->usecount;
1050		1165
1051	if (!next->cctx)	1166	if (expect_true (!next->cctx))
1052	next->cctx = cctx_get (aTHX);	1167	next->cctx = cctx_get (aTHX_ next->gimme);
1053		1168
1054	if (prev__cctx != next->cctx)	1169	if (expect_false (prev__cctx != next->cctx))
1055	{	1170	{
1056	prev__cctx->top_env = PL_top_env;	1171	prev__cctx->top_env = PL_top_env;
1057	PL_top_env = next->cctx->top_env;	1172	PL_top_env = next->cctx->top_env;
1058	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1173	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1059	}	1174	}
1060		1175
1061	free_coro_mortal (aTHX);	1176	free_coro_mortal (aTHX);
1062	UNLOCK;	1177	UNLOCK;
		1178
		1179	if (expect_false (prev->throw \|\| next->throw))
		1180	{
		1181	struct coro *coro = SvSTATE (coro_current);
		1182
		1183	if (coro->throw)
		1184	{
		1185	SV *exception = coro->throw;
		1186	coro->throw = 0;
		1187	sv_setsv (ERRSV, exception);
		1188	croak (0);
		1189	}
		1190	}
1063	}	1191	}
1064	}	1192	}
1065		1193
1066	struct transfer_args	1194	struct transfer_args
1067	{	1195	{
…		…
1102	save_perl (aTHX_ &temp);	1230	save_perl (aTHX_ &temp);
1103	load_perl (aTHX_ coro);	1231	load_perl (aTHX_ coro);
1104		1232
1105	coro_destroy (aTHX_ coro);	1233	coro_destroy (aTHX_ coro);
1106		1234
1107	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1235	load_perl (aTHX_ &temp);
1108		1236
1109	coro->mainstack = 0;	1237	coro->slot = 0;
1110	}	1238	}
1111		1239
1112	cctx_destroy (coro->cctx);	1240	cctx_destroy (coro->cctx);
1113	SvREFCNT_dec (coro->args);	1241	SvREFCNT_dec (coro->args);
1114		1242
…		…
1239	{	1367	{
1240	LOCK;	1368	LOCK;
1241	next_sv = coro_deq (aTHX_ PRIO_MIN);	1369	next_sv = coro_deq (aTHX_ PRIO_MIN);
1242		1370
1243	/* nothing to schedule: call the idle handler */	1371	/* nothing to schedule: call the idle handler */
1244	if (!next_sv)	1372	if (expect_false (!next_sv))
1245	{	1373	{
1246	dSP;	1374	dSP;
1247	UNLOCK;	1375	UNLOCK;
1248		1376
1249	ENTER;	1377	ENTER;
…		…
1259	}	1387	}
1260		1388
1261	ta->next = SvSTATE (next_sv);	1389	ta->next = SvSTATE (next_sv);
1262		1390
1263	/* cannot transfer to destroyed coros, skip and look for next */	1391	/* cannot transfer to destroyed coros, skip and look for next */
1264	if (ta->next->flags & CF_DESTROYED)	1392	if (expect_false (ta->next->flags & CF_DESTROYED))
1265	{	1393	{
1266	UNLOCK;	1394	UNLOCK;
1267	SvREFCNT_dec (next_sv);	1395	SvREFCNT_dec (next_sv);
1268	/* coro_nready is already taken care of by destroy */	1396	/* coro_nready is already taken care of by destroy */
1269	continue;	1397	continue;
…		…
1325	dTHX;	1453	dTHX;
1326	struct transfer_args ta;	1454	struct transfer_args ta;
1327		1455
1328	prepare_cede (aTHX_ &ta);	1456	prepare_cede (aTHX_ &ta);
1329		1457
1330	if (ta.prev != ta.next)	1458	if (expect_true (ta.prev != ta.next))
1331	{	1459	{
1332	TRANSFER (ta);	1460	TRANSFER (ta);
1333	return 1;	1461	return 1;
1334	}	1462	}
1335	else	1463	else
…		…
1371	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1499	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1372		1500
1373	if (coro->flags & CF_RUNNING)	1501	if (coro->flags & CF_RUNNING)
1374	PL_runops = RUNOPS_DEFAULT;	1502	PL_runops = RUNOPS_DEFAULT;
1375	else	1503	else
1376	coro->runops = RUNOPS_DEFAULT;	1504	coro->slot->runops = RUNOPS_DEFAULT;
1377	}	1505	}
1378	}	1506	}
1379		1507
1380	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1508	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1381		1509
…		…
1388	#endif	1516	#endif
1389	BOOT_PAGESIZE;	1517	BOOT_PAGESIZE;
1390		1518
1391	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1519	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1392	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1520	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1521
		1522	hv_sig = coro_get_hv ("SIG", TRUE);
		1523	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
		1524	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
		1525
		1526	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
		1527	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1393		1528
1394	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1529	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1395		1530
1396	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1531	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1397	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1532	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1428		1563
1429	coro->hv = hv = newHV ();	1564	coro->hv = hv = newHV ();
1430	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1565	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1431	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1566	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1432		1567
		1568	av_extend (coro->args, items - 1);
1433	for (i = 1; i < items; i++)	1569	for (i = 1; i < items; i++)
1434	av_push (coro->args, newSVsv (ST (i)));	1570	av_push (coro->args, newSVsv (ST (i)));
1435	}	1571	}
1436	OUTPUT:	1572	OUTPUT:
1437	RETVAL	1573	RETVAL
…		…
1440	# function to increase chances that they all will call transfer with the same	1576	# function to increase chances that they all will call transfer with the same
1441	# stack offset	1577	# stack offset
1442	void	1578	void
1443	_set_stacklevel (...)	1579	_set_stacklevel (...)
1444	ALIAS:	1580	ALIAS:
1445	Coro::State::transfer = 1	1581	Coro::State::transfer = 1
1446	Coro::schedule = 2	1582	Coro::schedule = 2
1447	Coro::cede = 3	1583	Coro::cede = 3
1448	Coro::cede_notself = 4	1584	Coro::cede_notself = 4
		1585	Coro::Event::next = 5
		1586	Coro::Event::next_cancel = 6
1449	CODE:	1587	PPCODE:
1450	{	1588	{
1451	struct transfer_args ta;	1589	struct transfer_args ta;
		1590	int again = 0;
1452		1591
1453	switch (ix)	1592	do
1454	{	1593	{
		1594	switch (ix)
		1595	{
1455	case 0:	1596	case 0:
1456	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1597	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1457	ta.next = 0;	1598	ta.next = 0;
1458	break;	1599	break;
1459		1600
1460	case 1:	1601	case 1:
1461	if (items != 2)	1602	if (items != 2)
1462	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1603	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1463		1604
1464	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1605	prepare_transfer (aTHX_ &ta, ST(0), ST(1));
1465	break;	1606	break;
1466		1607
1467	case 2:	1608	case 2:
1468	prepare_schedule (aTHX_ &ta);	1609	prepare_schedule (aTHX_ &ta);
1469	break;	1610	break;
1470		1611
1471	case 3:	1612	case 3:
1472	prepare_cede (aTHX_ &ta);	1613	prepare_cede (aTHX_ &ta);
1473	break;	1614	break;
1474		1615
1475	case 4:	1616	case 4:
1476	if (!prepare_cede_notself (aTHX_ &ta))	1617	if (!prepare_cede_notself (aTHX_ &ta))
1477	XSRETURN_EMPTY;	1618	XSRETURN_EMPTY;
1478		1619
1479	break;	1620	break;
		1621
		1622	case 5:
		1623	case 6:
		1624	if (items != 1)
		1625	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
		1626
		1627	{
		1628	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
		1629
		1630	if (ev)
		1631	{
		1632	if (GIMME_V != G_VOID)
		1633	{
		1634	XPUSHs (ev);
		1635	XSRETURN (1);
		1636	}
		1637	else
		1638	XSRETURN_EMPTY;
		1639	}
		1640	}
		1641
		1642	prepare_schedule (aTHX_ &ta);
		1643	again = 1;
		1644	break;
		1645	}
		1646
		1647	/* our caller, entersub, caches only this value */
		1648	ta.prev->gimme = GIMME_V == G_VOID ? 0
		1649	: GIMME_V == G_SCALAR ? 1
		1650	: 2;
		1651
		1652	/* we need to save all local variables, as we might execute a different coroutine when transfer returns */
		1653	sp += 2; /* save args */
		1654	EXTEND (SP, 4);
		1655	PUSHs ((SV *)(intptr_t)items);
		1656	PUSHs ((SV *)(intptr_t)ix);
		1657	PUSHs ((SV *)(intptr_t)ax);
		1658	PUSHs ((SV *)(intptr_t)again);
		1659	PUTBACK;
		1660	BARRIER;
		1661	TRANSFER (ta);
		1662	BARRIER;
		1663	SPAGAIN;
		1664	again = (intptr_t)POPs;
		1665	ax = (intptr_t)POPs;
		1666	ix = (intptr_t)POPs;
		1667	items = (intptr_t)POPs;
		1668	sp -= 2; /* restore args */
1480	}	1669	}
		1670	while (again);
1481		1671
1482	BARRIER;
1483	TRANSFER (ta);
1484
1485	if (GIMME_V != G_VOID && ta.next != ta.prev)	1672	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1486	XSRETURN_YES;	1673	XSRETURN_YES;
		1674
		1675	XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */
1487	}	1676	}
1488		1677
1489	bool	1678	bool
1490	_destroy (SV *coro_sv)	1679	_destroy (SV *coro_sv)
1491	CODE:	1680	CODE:
…		…
1517	RETVAL	1706	RETVAL
1518		1707
1519	int	1708	int
1520	cctx_idle ()	1709	cctx_idle ()
1521	CODE:	1710	CODE:
1522	RETVAL = cctx_idle;	1711	RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2];
1523	OUTPUT:	1712	OUTPUT:
1524	RETVAL	1713	RETVAL
1525		1714
1526	void	1715	void
1527	list ()	1716	list ()
…		…
1540	CODE:	1729	CODE:
1541	{	1730	{
1542	if (coro->mainstack)	1731	if (coro->mainstack)
1543	{	1732	{
1544	struct coro temp;	1733	struct coro temp;
1545	Zero (&temp, 1, struct coro);
1546		1734
1547	if (!(coro->flags & CF_RUNNING))	1735	if (!(coro->flags & CF_RUNNING))
1548	{	1736	{
1549	save_perl (aTHX_ &temp);	1737	save_perl (aTHX_ &temp);
1550	load_perl (aTHX_ coro);	1738	load_perl (aTHX_ coro);
…		…
1552		1740
1553	{	1741	{
1554	dSP;	1742	dSP;
1555	ENTER;	1743	ENTER;
1556	SAVETMPS;	1744	SAVETMPS;
		1745	PUTBACK;
		1746	PUSHSTACK;
1557	PUSHMARK (SP);	1747	PUSHMARK (SP);
1558	PUTBACK;	1748
1559	if (ix)	1749	if (ix)
1560	eval_sv (coderef, 0);	1750	eval_sv (coderef, 0);
1561	else	1751	else
1562	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1752	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1753
1563	SPAGAIN;	1754	POPSTACK;
1564	FREETMPS;	1755	FREETMPS;
1565	LEAVE;	1756	LEAVE;
1566	PUTBACK;
1567	}	1757	}
1568		1758
1569	if (!(coro->flags & CF_RUNNING))	1759	if (!(coro->flags & CF_RUNNING))
1570	{	1760	{
1571	save_perl (aTHX_ coro);	1761	save_perl (aTHX_ coro);
…		…
1625		1815
1626	BOOT:	1816	BOOT:
1627	{	1817	{
1628	int i;	1818	int i;
1629		1819
1630	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1820	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1631	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1821	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1632	av_async_pool = get_av ("Coro::async_pool", TRUE);	1822	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1633		1823
1634	coro_current = get_sv ("Coro::current", FALSE);	1824	coro_current = coro_get_sv ("Coro::current", FALSE);
1635	SvREADONLY_on (coro_current);	1825	SvREADONLY_on (coro_current);
1636		1826
1637	coro_stash = gv_stashpv ("Coro", TRUE);	1827	coro_stash = gv_stashpv ("Coro", TRUE);
1638		1828
1639	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1829	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1640	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1830	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1641	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1831	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1642	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1832	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1645		1835
1646	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1836	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1647	coro_ready[i] = newAV ();	1837	coro_ready[i] = newAV ();
1648		1838
1649	{	1839	{
1650	SV *sv = perl_get_sv("Coro::API", 1);	1840	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1841	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1651		1842
1652	coroapi.schedule = api_schedule;	1843	coroapi.schedule = api_schedule;
1653	coroapi.cede = api_cede;	1844	coroapi.cede = api_cede;
1654	coroapi.cede_notself = api_cede_notself;	1845	coroapi.cede_notself = api_cede_notself;
1655	coroapi.ready = api_ready;	1846	coroapi.ready = api_ready;
…		…
1706	CODE:	1897	CODE:
1707	RETVAL = coro_nready;	1898	RETVAL = coro_nready;
1708	OUTPUT:	1899	OUTPUT:
1709	RETVAL	1900	RETVAL
1710		1901
		1902	void
		1903	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1904	PROTOTYPE: $;$
		1905	CODE:
		1906	SvREFCNT_dec (self->throw);
		1907	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1908
1711	# for async_pool speedup	1909	# for async_pool speedup
1712	void	1910	void
1713	_pool_1 (SV *cb)	1911	_pool_1 (SV *cb)
1714	CODE:	1912	CODE:
1715	{	1913	{
1716	struct coro *coro = SvSTATE (coro_current);	1914	struct coro *coro = SvSTATE (coro_current);
1717	HV hv = (HV )SvRV (coro_current);	1915	HV hv = (HV )SvRV (coro_current);
1718	AV *defav = GvAV (PL_defgv);	1916	AV *defav = GvAV (PL_defgv);
1719	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1917	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1720	AV *invoke_av;	1918	AV *invoke_av;
1721	int i, len;	1919	int i, len;
1722		1920
1723	if (!invoke)	1921	if (!invoke)
1724	croak ("\3terminate\2\n");	1922	croak ("\3async_pool terminate\2\n");
1725		1923
1726	SvREFCNT_dec (coro->saved_deffh);	1924	SvREFCNT_dec (coro->saved_deffh);
1727	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1728		1926
1729	hv_store (hv, "desc", sizeof ("desc") - 1,	1927	hv_store (hv, "desc", sizeof ("desc") - 1,
1730	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1928	newSVpvn (strpair ("[async_pool]")), 0);
1731		1929
1732	invoke_av = (AV *)SvRV (invoke);	1930	invoke_av = (AV *)SvRV (invoke);
1733	len = av_len (invoke_av);	1931	len = av_len (invoke_av);
1734		1932
1735	sv_setsv (cb, AvARRAY (invoke_av)[0]);	1933	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1755	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1756	coro->saved_deffh = 0;	1954	coro->saved_deffh = 0;
1757		1955
1758	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1759	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1957	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1760	croak ("\3terminate\2\n");	1958	croak ("\3async_pool terminate\2\n");
1761		1959
1762	av_clear (GvAV (PL_defgv));	1960	av_clear (GvAV (PL_defgv));
1763	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1961	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1764	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1962	newSVpvn (strpair ("[async_pool idle]")), 0);
1765		1963
1766	coro->prio = 0;	1964	coro->prio = 0;
1767		1965
1768	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	1966	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1769	api_trace (coro_current, 0);	1967	api_trace (coro_current, 0);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.191 by root, Fri Oct 5 20:47:49 2007 UTC vs. Revision 1.209 by root, Wed Oct 10 02:58:17 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.191 by root, Fri Oct 5 20:47:49 2007 UTC vs.
Revision 1.209 by root, Wed Oct 10 02:58:17 2007 UTC