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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs.
Revision 1.162 by root, Sun Sep 23 21:49:58 2007 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
		2
		3	#define PERL_NO_GET_CONTEXT
2		4
3	#include "EXTERN.h"	5	#include "EXTERN.h"
4	#include "perl.h"	6	#include "perl.h"
5	#include "XSUB.h"	7	#include "XSUB.h"
6		8
31	#else	33	#else
32	# define PAGESIZE 0	34	# define PAGESIZE 0
33	# define BOOT_PAGESIZE (void)0	35	# define BOOT_PAGESIZE (void)0
34	#endif	36	#endif
35		37
36	#if USE_VALGRIND	38	#if CORO_USE_VALGRIND
37	# include <valgrind/valgrind.h>	39	# include <valgrind/valgrind.h>
38	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))	40	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))
39	#else	41	#else
40	# define REGISTER_STACK(cctx,start,end)	42	# define REGISTER_STACK(cctx,start,end)
41	#endif	43	#endif
…		…
74	#ifndef SvRV_set	76	#ifndef SvRV_set
75	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
76	#endif	78	#endif
77		79
78	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
79	# undef STACKGUARD	81	# undef CORO_STACKGUARD
80	#endif	82	#endif
81		83
82	#ifndef STACKGUARD	84	#ifndef CORO_STACKGUARD
83	# define STACKGUARD 0	85	# define CORO_STACKGUARD 0
84	#endif	86	#endif
85		87
86	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
87	#ifndef PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
88	# define PREFER_PERL_FUNCTIONS 0	90	# define CORO_PREFER_PERL_FUNCTIONS 0
89	#endif	91	#endif
90		92
91	/* The next macro should declare a variable stacklevel that contains and approximation	93	/* The next macros try to return the current stack pointer, in an as
92	* to the current C stack pointer. Its property is that it changes with each call	94	* portable way as possible. */
93	* and should be unique. */
94	#define dSTACKLEVEL int stacklevel	95	#define dSTACKLEVEL volatile char stacklevel
95	#define STACKLEVEL ((void *)&stacklevel)	96	#define STACKLEVEL ((void *)&stacklevel)
96		97
97	#define IN_DESTRUCT (PL_main_cv == Nullcv)	98	#define IN_DESTRUCT (PL_main_cv == Nullcv)
98		99
99	#if __GNUC__ >= 3	100	#if __GNUC__ >= 3
…		…
124	I32 laststype;	125	I32 laststype;
125	int laststatval;	126	int laststatval;
126	Stat_t statcache;	127	Stat_t statcache;
127	};	128	};
128		129
		130	static size_t coro_stacksize = CORO_STACKSIZE;
129	static struct CoroAPI coroapi;	131	static struct CoroAPI coroapi;
130	static AV main_mainstack; / used to differentiate between $main and others */	132	static AV main_mainstack; / used to differentiate between $main and others */
		133	static JMPENV *main_top_env;
131	static HV coro_state_stash, coro_stash;	134	static HV coro_state_stash, coro_stash;
132	static SV coro_mortal; / will be freed after next transfer */	135	static SV coro_mortal; / will be freed after next transfer */
		136
		137	/* async_pool helper stuff */
		138	static SV *sv_pool_rss;
		139	static SV *sv_pool_size;
		140	static AV *av_async_pool;
133		141
134	static struct coro_cctx *cctx_first;	142	static struct coro_cctx *cctx_first;
135	static int cctx_count, cctx_idle;	143	static int cctx_count, cctx_idle;
136		144
137	/* this is a structure representing a c-level coroutine */	145	/* this is a structure representing a c-level coroutine */
138	typedef struct coro_cctx {	146	typedef struct coro_cctx {
139	struct coro_cctx *next;	147	struct coro_cctx *next;
140		148
141	/* the stack */	149	/* the stack */
142	void *sptr;	150	void *sptr;
143	ssize_t ssize; /* positive == mmap, otherwise malloc */	151	size_t ssize;
144		152
145	/* cpu state */	153	/* cpu state */
146	void idle_sp; / sp of top-level transfer/schedule/cede call */	154	void idle_sp; / sp of top-level transfer/schedule/cede call */
147	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	155	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
148	JMPENV *top_env;	156	JMPENV *top_env;
149	coro_context cctx;	157	coro_context cctx;
150		158
151	int inuse;
152
153	#if USE_VALGRIND	159	#if CORO_USE_VALGRIND
154	int valgrind_id;	160	int valgrind_id;
155	#endif	161	#endif
		162	char inuse, mapped;
156	} coro_cctx;	163	} coro_cctx;
157		164
158	enum {	165	enum {
159	CF_RUNNING = 0x0001, /* coroutine is running */	166	CF_RUNNING = 0x0001, /* coroutine is running */
160	CF_READY = 0x0002, /* coroutine is ready */	167	CF_READY = 0x0002, /* coroutine is ready */
…		…
175		182
176	/* optionally saved, might be zero */	183	/* optionally saved, might be zero */
177	AV defav; / @_ */	184	AV defav; / @_ */
178	SV defsv; / $_ */	185	SV defsv; / $_ */
179	SV errsv; / $@ */	186	SV errsv; / $@ */
		187	GV deffh; / default filehandle */
180	SV irssv; / $/ */	188	SV irssv; / $/ */
181	SV irssv_sv; / real $/ cache */	189	SV irssv_sv; / real $/ cache */
182		190
183	#define VAR(name,type) type name;	191	#define VAR(name,type) type name;
184	# include "state.h"	192	# include "state.h"
185	#undef VAR	193	#undef VAR
186		194
187	/* coro process data */	195	/* coro process data */
188	int prio;	196	int prio;
		197
		198	/* linked list */
		199	struct coro next, prev;
		200	HV hv; / the perl hash associated with this coro, if any */
189	};	201	};
190		202
191	typedef struct coro *Coro__State;	203	typedef struct coro *Coro__State;
192	typedef struct coro *Coro__State_or_hashref;	204	typedef struct coro *Coro__State_or_hashref;
193		205
…		…
202		214
203	/* for Coro.pm */	215	/* for Coro.pm */
204	static SV *coro_current;	216	static SV *coro_current;
205	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	217	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206	static int coro_nready;	218	static int coro_nready;
		219	static struct coro *coro_first;
207		220
208	/ lowlevel stuff ********************************************************/	221	/ lowlevel stuff ********************************************************/
209		222
210	static AV *	223	static AV *
211	coro_clone_padlist (CV *cv)	224	coro_clone_padlist (pTHX_ CV *cv)
212	{	225	{
213	AV *padlist = CvPADLIST (cv);	226	AV *padlist = CvPADLIST (cv);
214	AV newpadlist, newpad;	227	AV newpadlist, newpad;
215		228
216	newpadlist = newAV ();	229	newpadlist = newAV ();
…		…
228		241
229	return newpadlist;	242	return newpadlist;
230	}	243	}
231		244
232	static void	245	static void
233	free_padlist (AV *padlist)	246	free_padlist (pTHX_ AV *padlist)
234	{	247	{
235	/* may be during global destruction */	248	/* may be during global destruction */
236	if (SvREFCNT (padlist))	249	if (SvREFCNT (padlist))
237	{	250	{
238	I32 i = AvFILLp (padlist);	251	I32 i = AvFILLp (padlist);
…		…
259	AV *padlist;	272	AV *padlist;
260	AV av = (AV )mg->mg_obj;	273	AV av = (AV )mg->mg_obj;
261		274
262	/* casting is fun. */	275	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	276	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);	277	free_padlist (aTHX_ padlist);
265		278
266	SvREFCNT_dec (av);	279	SvREFCNT_dec (av);
267		280
268	return 0;	281	return 0;
269	}	282	}
…		…
279	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	292	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
280	: 0	293	: 0
281		294
282	/* the next two functions merely cache the padlists */	295	/* the next two functions merely cache the padlists */
283	static void	296	static void
284	get_padlist (CV *cv)	297	get_padlist (pTHX_ CV *cv)
285	{	298	{
286	MAGIC *mg = CORO_MAGIC (cv);	299	MAGIC *mg = CORO_MAGIC (cv);
287	AV *av;	300	AV *av;
288		301
289	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	302	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
290	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	303	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
291	else	304	else
292	{	305	{
293	#if PREFER_PERL_FUNCTIONS	306	#if CORO_PREFER_PERL_FUNCTIONS
294	/* this is probably cleaner, but also slower? */	307	/* this is probably cleaner, but also slower? */
295	CV *cp = Perl_cv_clone (cv);	308	CV *cp = Perl_cv_clone (cv);
296	CvPADLIST (cv) = CvPADLIST (cp);	309	CvPADLIST (cv) = CvPADLIST (cp);
297	CvPADLIST (cp) = 0;	310	CvPADLIST (cp) = 0;
298	SvREFCNT_dec (cp);	311	SvREFCNT_dec (cp);
299	#else	312	#else
300	CvPADLIST (cv) = coro_clone_padlist (cv);	313	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301	#endif	314	#endif
302	}	315	}
303	}	316	}
304		317
305	static void	318	static void
306	put_padlist (CV *cv)	319	put_padlist (pTHX_ CV *cv)
307	{	320	{
308	MAGIC *mg = CORO_MAGIC (cv);	321	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	322	AV *av;
310		323
311	if (!mg)	324	if (!mg)
…		…
330	#define SE } while (0)	343	#define SE } while (0)
331		344
332	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	345	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333		346
334	static void	347	static void
335	load_perl (Coro__State c)	348	load_perl (pTHX_ Coro__State c)
336	{	349	{
337	#define VAR(name,type) PL_ ## name = c->name;	350	#define VAR(name,type) PL_ ## name = c->name;
338	# include "state.h"	351	# include "state.h"
339	#undef VAR	352	#undef VAR
340		353
341	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	354	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	355	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	356	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		357	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		358
344	if (c->irssv)	359	if (c->irssv)
345	{	360	{
346	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	361	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		362	{
347	SvREFCNT_dec (c->irssv);	363	SvREFCNT_dec (c->irssv);
		364	c->irssv = 0;
		365	}
348	else	366	else
349	{	367	{
350	REPLACE_SV (PL_rs, c->irssv);	368	REPLACE_SV (PL_rs, c->irssv);
351	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	369	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352	sv_setsv (c->irssv_sv, PL_rs);	370	sv_setsv (c->irssv_sv, PL_rs);
…		…
358	CV *cv;	376	CV *cv;
359		377
360	/* now do the ugly restore mess */	378	/* now do the ugly restore mess */
361	while ((cv = (CV *)POPs))	379	while ((cv = (CV *)POPs))
362	{	380	{
363	put_padlist (cv); /* mark this padlist as available */	381	put_padlist (aTHX_ cv); /* mark this padlist as available */
364	CvDEPTH (cv) = PTR2IV (POPs);	382	CvDEPTH (cv) = PTR2IV (POPs);
365	CvPADLIST (cv) = (AV *)POPs;	383	CvPADLIST (cv) = (AV *)POPs;
366	}	384	}
367		385
368	PUTBACK;	386	PUTBACK;
369	}	387	}
370	}	388	}
371		389
372	static void	390	static void
373	save_perl (Coro__State c)	391	save_perl (pTHX_ Coro__State c)
374	{	392	{
375	{	393	{
376	dSP;	394	dSP;
377	I32 cxix = cxstack_ix;	395	I32 cxix = cxstack_ix;
378	PERL_CONTEXT *ccstk = cxstack;	396	PERL_CONTEXT *ccstk = cxstack;
…		…
381	/*	399	/*
382	* the worst thing you can imagine happens first - we have to save	400	* the worst thing you can imagine happens first - we have to save
383	* (and reinitialize) all cv's in the whole callchain :(	401	* (and reinitialize) all cv's in the whole callchain :(
384	*/	402	*/
385		403
386	EXTEND (SP, 3 + 1);
387	PUSHs (Nullsv);	404	XPUSHs (Nullsv);
388	/* this loop was inspired by pp_caller */	405	/* this loop was inspired by pp_caller */
389	for (;;)	406	for (;;)
390	{	407	{
391	while (cxix >= 0)	408	while (cxix >= 0)
392	{	409	{
393	PERL_CONTEXT *cx = &ccstk[cxix--];	410	PERL_CONTEXT *cx = &ccstk[cxix--];
394		411
395	if (CxTYPE (cx) == CXt_SUB)	412	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
396	{	413	{
397	CV *cv = cx->blk_sub.cv;	414	CV *cv = cx->blk_sub.cv;
398		415
399	if (CvDEPTH (cv))	416	if (CvDEPTH (cv))
400	{	417	{
…		…
402	PUSHs ((SV *)CvPADLIST (cv));	419	PUSHs ((SV *)CvPADLIST (cv));
403	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	420	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
404	PUSHs ((SV *)cv);	421	PUSHs ((SV *)cv);
405		422
406	CvDEPTH (cv) = 0;	423	CvDEPTH (cv) = 0;
407	get_padlist (cv);	424	get_padlist (aTHX_ cv);
408	}	425	}
409	}	426	}
410	}	427	}
411		428
412	if (top_si->si_type == PERLSI_MAIN)	429	if (top_si->si_type == PERLSI_MAIN)
413	break;	430	break;
414		431
415	top_si = top_si->si_prev;	432	top_si = top_si->si_prev;
416	ccstk = top_si->si_cxstack;	433	ccstk = top_si->si_cxstack;
417	cxix = top_si->si_cxix;	434	cxix = top_si->si_cxix;
418	}	435	}
419		436
420	PUTBACK;	437	PUTBACK;
421	}	438	}
422		439
423	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	440	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
424	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	441	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
425	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	442	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		443	c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
426	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;	444	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
427		445
428	#define VAR(name,type)c->name = PL_ ## name;	446	#define VAR(name,type)c->name = PL_ ## name;
429	# include "state.h"	447	# include "state.h"
430	#undef VAR	448	#undef VAR
…		…
434	* allocate various perl stacks. This is an exact copy	452	* allocate various perl stacks. This is an exact copy
435	* of perl.c:init_stacks, except that it uses less memory	453	* of perl.c:init_stacks, except that it uses less memory
436	* on the (sometimes correct) assumption that coroutines do	454	* on the (sometimes correct) assumption that coroutines do
437	* not usually need a lot of stackspace.	455	* not usually need a lot of stackspace.
438	*/	456	*/
439	#if PREFER_PERL_FUNCTIONS	457	#if CORO_PREFER_PERL_FUNCTIONS
440	# define coro_init_stacks init_stacks	458	# define coro_init_stacks init_stacks
441	#else	459	#else
442	static void	460	static void
443	coro_init_stacks ()	461	coro_init_stacks (pTHX)
444	{	462	{
445	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	463	PL_curstackinfo = new_stackinfo(64, 6);
446	PL_curstackinfo->si_type = PERLSI_MAIN;	464	PL_curstackinfo->si_type = PERLSI_MAIN;
447	PL_curstack = PL_curstackinfo->si_stack;	465	PL_curstack = PL_curstackinfo->si_stack;
448	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	466	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
449		467
450	PL_stack_base = AvARRAY(PL_curstack);	468	PL_stack_base = AvARRAY(PL_curstack);
451	PL_stack_sp = PL_stack_base;	469	PL_stack_sp = PL_stack_base;
452	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	470	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
453		471
454	New(50,PL_tmps_stack,128,SV*);	472	New(50,PL_tmps_stack,64,SV*);
455	PL_tmps_floor = -1;	473	PL_tmps_floor = -1;
456	PL_tmps_ix = -1;	474	PL_tmps_ix = -1;
457	PL_tmps_max = 128;	475	PL_tmps_max = 64;
458		476
459	New(54,PL_markstack,32,I32);	477	New(54,PL_markstack,16,I32);
460	PL_markstack_ptr = PL_markstack;	478	PL_markstack_ptr = PL_markstack;
461	PL_markstack_max = PL_markstack + 32;	479	PL_markstack_max = PL_markstack + 16;
462		480
463	#ifdef SET_MARK_OFFSET	481	#ifdef SET_MARK_OFFSET
464	SET_MARK_OFFSET;	482	SET_MARK_OFFSET;
465	#endif	483	#endif
466		484
467	New(54,PL_scopestack,32,I32);	485	New(54,PL_scopestack,16,I32);
468	PL_scopestack_ix = 0;	486	PL_scopestack_ix = 0;
469	PL_scopestack_max = 32;	487	PL_scopestack_max = 16;
470		488
471	New(54,PL_savestack,64,ANY);	489	New(54,PL_savestack,64,ANY);
472	PL_savestack_ix = 0;	490	PL_savestack_ix = 0;
473	PL_savestack_max = 64;	491	PL_savestack_max = 64;
474		492
475	#if !PERL_VERSION_ATLEAST (5,9,0)	493	#if !PERL_VERSION_ATLEAST (5,9,0)
476	New(54,PL_retstack,16,OP*);	494	New(54,PL_retstack,4,OP*);
477	PL_retstack_ix = 0;	495	PL_retstack_ix = 0;
478	PL_retstack_max = 16;	496	PL_retstack_max = 4;
479	#endif	497	#endif
480	}	498	}
481	#endif	499	#endif
482		500
483	/*	501	/*
484	* destroy the stacks, the callchain etc...	502	* destroy the stacks, the callchain etc...
485	*/	503	*/
486	static void	504	static void
487	coro_destroy_stacks ()	505	coro_destroy_stacks (pTHX)
488	{	506	{
489	if (!IN_DESTRUCT)	507	if (!IN_DESTRUCT)
490	{	508	{
491	/* restore all saved variables and stuff */	509	/* restore all saved variables and stuff */
492	LEAVE_SCOPE (0);	510	LEAVE_SCOPE (0);
…		…
525	#if !PERL_VERSION_ATLEAST (5,9,0)	543	#if !PERL_VERSION_ATLEAST (5,9,0)
526	Safefree (PL_retstack);	544	Safefree (PL_retstack);
527	#endif	545	#endif
528	}	546	}
529		547
		548	static size_t
		549	coro_rss (struct coro *coro)
		550	{
		551	size_t rss = sizeof (coro);
		552
		553	if (coro->mainstack)
		554	{
		555	if (coro->flags & CF_RUNNING)
		556	{
		557	#define VAR(name,type)coro->name = PL_ ## name;
		558	# include "state.h"
		559	#undef VAR
		560	}
		561
		562	rss += sizeof (coro->curstackinfo);
		563	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		564	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		565	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		566	rss += coro->tmps_max * sizeof (SV *);
		567	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		568	rss += coro->scopestack_max * sizeof (I32);
		569	rss += coro->savestack_max * sizeof (ANY);
		570
		571	#if !PERL_VERSION_ATLEAST (5,9,0)
		572	rss += coro->retstack_max * sizeof (OP *);
		573	#endif
		574	}
		575
		576	return rss;
		577	}
		578
530	/ coroutine stack handling **********************************************/	579	/ coroutine stack handling **********************************************/
531		580
532	static void	581	static void
533	setup_coro (struct coro *coro)	582	setup_coro (pTHX_ struct coro *coro)
534	{	583	{
535	/*	584	/*
536	* emulate part of the perl startup here.	585	* emulate part of the perl startup here.
537	*/	586	*/
538
539	coro_init_stacks ();	587	coro_init_stacks (aTHX);
540		588
541	PL_curcop = &PL_compiling;	589	PL_curcop = &PL_compiling;
542	PL_in_eval = EVAL_NULL;	590	PL_in_eval = EVAL_NULL;
		591	PL_comppad = 0;
543	PL_curpm = 0;	592	PL_curpm = 0;
544	PL_localizing = 0;	593	PL_localizing = 0;
545	PL_dirty = 0;	594	PL_dirty = 0;
546	PL_restartop = 0;	595	PL_restartop = 0;
547		596
…		…
555	Zero (&myop, 1, LOGOP);	604	Zero (&myop, 1, LOGOP);
556	myop.op_next = Nullop;	605	myop.op_next = Nullop;
557	myop.op_flags = OPf_WANT_VOID;	606	myop.op_flags = OPf_WANT_VOID;
558		607
559	PUSHMARK (SP);	608	PUSHMARK (SP);
560	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	609	XPUSHs (av_shift (GvAV (PL_defgv)));
561	PUTBACK;	610	PUTBACK;
562	PL_op = (OP *)&myop;	611	PL_op = (OP *)&myop;
563	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	612	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
564	SPAGAIN;	613	SPAGAIN;
565	}	614	}
566		615
567	ENTER; /* necessary e.g. for dounwind */	616	ENTER; /* necessary e.g. for dounwind */
568	}	617	}
569		618
570	static void	619	static void
571	free_coro_mortal ()	620	free_coro_mortal (pTHX)
572	{	621	{
573	if (coro_mortal)	622	if (coro_mortal)
574	{	623	{
575	SvREFCNT_dec (coro_mortal);	624	SvREFCNT_dec (coro_mortal);
576	coro_mortal = 0;	625	coro_mortal = 0;
577	}	626	}
578	}	627	}
579		628
580	/* inject a fake call to Coro::State::_cctx_init into the execution */	629	/* inject a fake call to Coro::State::_cctx_init into the execution */
		630	/* _cctx_init should be careful, as it could be called at almost any time */
		631	/* during execution of a perl program */
581	static void NOINLINE	632	static void NOINLINE
582	prepare_cctx (coro_cctx *cctx)	633	prepare_cctx (pTHX_ coro_cctx *cctx)
583	{	634	{
584	dSP;	635	dSP;
585	LOGOP myop;	636	LOGOP myop;
586		637
587	Zero (&myop, 1, LOGOP);	638	Zero (&myop, 1, LOGOP);
…		…
596	PL_op = (OP *)&myop;	647	PL_op = (OP *)&myop;
597	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	648	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
598	SPAGAIN;	649	SPAGAIN;
599	}	650	}
600		651
		652	/*
		653	* this is a _very_ stripped down perl interpreter ;)
		654	*/
601	static void	655	static void
602	coro_run (void *arg)	656	coro_run (void *arg)
603	{	657	{
		658	dTHX;
		659
604	/* coro_run is the alternative tail of transfer(), so unlock here. */	660	/* coro_run is the alternative tail of transfer(), so unlock here. */
605	UNLOCK;	661	UNLOCK;
606		662
607	/*
608	* this is a _very_ stripped down perl interpreter ;)
609	*/
610	PL_top_env = &PL_start_env;	663	PL_top_env = &PL_start_env;
611		664
612	/* inject call to cctx_init */	665	/* inject a fake subroutine call to cctx_init */
613	prepare_cctx ((coro_cctx *)arg);	666	prepare_cctx (aTHX_ (coro_cctx *)arg);
614		667
615	/* somebody will hit me for both perl_run and PL_restartop */	668	/* somebody or something will hit me for both perl_run and PL_restartop */
616	PL_restartop = PL_op;	669	PL_restartop = PL_op;
617	perl_run (PL_curinterp);	670	perl_run (PL_curinterp);
618		671
619	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	672	/*
620	abort ();	673	* If perl-run returns we assume exit() was being called or the coro
		674	* fell off the end, which seems to be the only valid (non-bug)
		675	* reason for perl_run to return. We try to exit by jumping to the
		676	* bootstrap-time "top" top_env, as we cannot restore the "main"
		677	* coroutine as Coro has no such concept
		678	*/
		679	PL_top_env = main_top_env;
		680	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
621	}	681	}
622		682
623	static coro_cctx *	683	static coro_cctx *
624	cctx_new ()	684	cctx_new ()
625	{	685	{
626	coro_cctx *cctx;	686	coro_cctx *cctx;
		687	void *stack_start;
		688	size_t stack_size;
627		689
628	++cctx_count;	690	++cctx_count;
629		691
630	Newz (0, cctx, 1, coro_cctx);	692	Newz (0, cctx, 1, coro_cctx);
631		693
632	#if HAVE_MMAP	694	#if HAVE_MMAP
633		695
634	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	696	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
635	/* mmap supposedly does allocate-on-write for us */	697	/* mmap supposedly does allocate-on-write for us */
636	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	698	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
637		699
638	if (cctx->sptr != (void *)-1)	700	if (cctx->sptr != (void *)-1)
639	{	701	{
640	# if STACKGUARD	702	# if CORO_STACKGUARD
641	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	703	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
642	# endif	704	# endif
643	REGISTER_STACK (
644	cctx,
645	STACKGUARD * PAGESIZE + (char *)cctx->sptr,	705	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
646	cctx->ssize + (char *)cctx->sptr	706	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
647	);	707	cctx->mapped = 1;
648
649	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
650	}	708	}
651	else	709	else
652	#endif	710	#endif
653	{	711	{
654	cctx->ssize = -STACKSIZE * (long)sizeof (long);	712	cctx->ssize = coro_stacksize * (long)sizeof (long);
655	New (0, cctx->sptr, STACKSIZE, long);	713	New (0, cctx->sptr, coro_stacksize, long);
656		714
657	if (!cctx->sptr)	715	if (!cctx->sptr)
658	{	716	{
659	perror ("FATAL: unable to allocate stack for coroutine");	717	perror ("FATAL: unable to allocate stack for coroutine");
660	_exit (EXIT_FAILURE);	718	_exit (EXIT_FAILURE);
661	}	719	}
662		720
663	REGISTER_STACK (	721	stack_start = cctx->sptr;
664	cctx,	722	stack_size = cctx->ssize;
665	(char *)cctx->sptr,	723	}
666	(char *)cctx->sptr - cctx->ssize
667	);
668		724
		725	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
669	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize);	726	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
670	}
671		727
672	return cctx;	728	return cctx;
673	}	729	}
674		730
675	static void	731	static void
…		…
678	if (!cctx)	734	if (!cctx)
679	return;	735	return;
680		736
681	--cctx_count;	737	--cctx_count;
682		738
683	#if USE_VALGRIND	739	#if CORO_USE_VALGRIND
684	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	740	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
685	#endif	741	#endif
686		742
687	#if HAVE_MMAP	743	#if HAVE_MMAP
688	if (cctx->ssize > 0)	744	if (cctx->mapped)
689	munmap (cctx->sptr, cctx->ssize);	745	munmap (cctx->sptr, cctx->ssize);
690	else	746	else
691	#endif	747	#endif
692	Safefree (cctx->sptr);	748	Safefree (cctx->sptr);
693		749
694	Safefree (cctx);	750	Safefree (cctx);
695	}	751	}
696		752
697	static coro_cctx *	753	static coro_cctx *
698	cctx_get ()	754	cctx_get (pTHX)
699	{	755	{
700	coro_cctx *cctx;
701
702	if (cctx_first)	756	while (cctx_first)
703	{	757	{
704	cctx = cctx_first;	758	coro_cctx *cctx = cctx_first;
705	cctx_first = cctx->next;	759	cctx_first = cctx->next;
706	--cctx_idle;	760	--cctx_idle;
		761
		762	if (cctx->ssize >= coro_stacksize)
		763	return cctx;
		764
		765	cctx_destroy (cctx);
707	}	766	}
708	else	767
709	{
710	cctx = cctx_new ();
711	PL_op = PL_op->op_next;	768	PL_op = PL_op->op_next;
712	}
713
714	return cctx;	769	return cctx_new ();
715	}	770	}
716		771
717	static void	772	static void
718	cctx_put (coro_cctx *cctx)	773	cctx_put (coro_cctx *cctx)
719	{	774	{
…		…
735		790
736	/ coroutine switching ***************************************************/	791	/ coroutine switching ***************************************************/
737		792
738	/* never call directly, always through the coro_state_transfer global variable */	793	/* never call directly, always through the coro_state_transfer global variable */
739	static void NOINLINE	794	static void NOINLINE
740	transfer (struct coro prev, struct coro next)	795	transfer (pTHX_ struct coro prev, struct coro next)
741	{	796	{
742	dSTACKLEVEL;	797	dSTACKLEVEL;
743		798
744	/* sometimes transfer is only called to set idle_sp */	799	/* sometimes transfer is only called to set idle_sp */
745	if (!next)	800	if (!next)
…		…
778	if (next->flags & CF_NEW)	833	if (next->flags & CF_NEW)
779	{	834	{
780	/* need to start coroutine */	835	/* need to start coroutine */
781	next->flags &= ~CF_NEW;	836	next->flags &= ~CF_NEW;
782	/* first get rid of the old state */	837	/* first get rid of the old state */
783	save_perl (prev);	838	save_perl (aTHX_ prev);
784	/* setup coroutine call */	839	/* setup coroutine call */
785	setup_coro (next);	840	setup_coro (aTHX_ next);
786	/* need a new stack */	841	/* need a new stack */
787	assert (!next->cctx);	842	assert (!next->cctx);
788	}	843	}
789	else	844	else
790	{	845	{
791	/* coroutine already started */	846	/* coroutine already started */
792	save_perl (prev);	847	save_perl (aTHX_ prev);
793	load_perl (next);	848	load_perl (aTHX_ next);
794	}	849	}
795		850
796	prev__cctx = prev->cctx;	851	prev__cctx = prev->cctx;
797		852
798	/* possibly "free" the cctx */	853	/* possibly "free" the cctx */
…		…
807	prev__cctx->inuse = 0;	862	prev__cctx->inuse = 0;
808	}	863	}
809		864
810	if (!next->cctx)	865	if (!next->cctx)
811	{	866	{
812	next->cctx = cctx_get ();	867	next->cctx = cctx_get (aTHX);
813	assert (!next->cctx->inuse);	868	assert (!next->cctx->inuse);
814	next->cctx->inuse = 1;	869	next->cctx->inuse = 1;
815	}	870	}
816		871
817	if (prev__cctx != next->cctx)	872	if (prev__cctx != next->cctx)
…		…
819	prev__cctx->top_env = PL_top_env;	874	prev__cctx->top_env = PL_top_env;
820	PL_top_env = next->cctx->top_env;	875	PL_top_env = next->cctx->top_env;
821	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	876	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
822	}	877	}
823		878
824	free_coro_mortal ();	879	free_coro_mortal (aTHX);
825	UNLOCK;	880	UNLOCK;
826	}	881	}
827	}	882	}
828		883
829	struct transfer_args	884	struct transfer_args
830	{	885	{
831	struct coro prev, next;	886	struct coro prev, next;
832	};	887	};
833		888
834	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	889	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
835		890
836	/ high level stuff ******************************************************/	891	/ high level stuff ******************************************************/
837		892
838	static int	893	static int
839	coro_state_destroy (struct coro *coro)	894	coro_state_destroy (pTHX_ struct coro *coro)
840	{	895	{
841	if (coro->flags & CF_DESTROYED)	896	if (coro->flags & CF_DESTROYED)
842	return 0;	897	return 0;
843		898
844	coro->flags \|= CF_DESTROYED;	899	coro->flags \|= CF_DESTROYED;
…		…
864	temp.save = CORO_SAVE_ALL;	919	temp.save = CORO_SAVE_ALL;
865		920
866	if (coro->flags & CF_RUNNING)	921	if (coro->flags & CF_RUNNING)
867	croak ("FATAL: tried to destroy currently running coroutine");	922	croak ("FATAL: tried to destroy currently running coroutine");
868		923
869	save_perl (&temp);	924	save_perl (aTHX_ &temp);
870	load_perl (coro);	925	load_perl (aTHX_ coro);
871		926
872	coro_destroy_stacks ();	927	coro_destroy_stacks (aTHX);
873		928
874	load_perl (&temp); /* this will get rid of defsv etc.. */	929	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
875		930
876	coro->mainstack = 0;	931	coro->mainstack = 0;
877	}	932	}
878		933
879	cctx_destroy (coro->cctx);	934	cctx_destroy (coro->cctx);
880	SvREFCNT_dec (coro->args);	935	SvREFCNT_dec (coro->args);
881		936
		937	if (coro->next) coro->next->prev = coro->prev;
		938	if (coro->prev) coro->prev->next = coro->next;
		939	if (coro == coro_first) coro_first = coro->next;
		940
882	return 1;	941	return 1;
883	}	942	}
884		943
885	static int	944	static int
886	coro_state_free (pTHX_ SV sv, MAGIC mg)	945	coro_state_free (pTHX_ SV sv, MAGIC mg)
887	{	946	{
888	struct coro coro = (struct coro )mg->mg_ptr;	947	struct coro coro = (struct coro )mg->mg_ptr;
889	mg->mg_ptr = 0;	948	mg->mg_ptr = 0;
890		949
		950	coro->hv = 0;
		951
891	if (--coro->refcnt < 0)	952	if (--coro->refcnt < 0)
892	{	953	{
893	coro_state_destroy (coro);	954	coro_state_destroy (aTHX_ coro);
894	Safefree (coro);	955	Safefree (coro);
895	}	956	}
896		957
897	return 0;	958	return 0;
898	}	959	}
…		…
917	# define MGf_DUP 0	978	# define MGf_DUP 0
918	#endif	979	#endif
919	};	980	};
920		981
921	static struct coro *	982	static struct coro *
922	SvSTATE (SV *coro)	983	SvSTATE_ (pTHX_ SV *coro)
923	{	984	{
924	HV *stash;	985	HV *stash;
925	MAGIC *mg;	986	MAGIC *mg;
926		987
927	if (SvROK (coro))	988	if (SvROK (coro))
…		…
933	/* very slow, but rare, check */	994	/* very slow, but rare, check */
934	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	995	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
935	croak ("Coro::State object required");	996	croak ("Coro::State object required");
936	}	997	}
937		998
938	mg = SvMAGIC (coro);	999	mg = CORO_MAGIC (coro);
939	assert (mg->mg_type == PERL_MAGIC_ext);
940	return (struct coro *)mg->mg_ptr;	1000	return (struct coro *)mg->mg_ptr;
941	}	1001	}
942		1002
		1003	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		1004
943	static void	1005	static void
944	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	1006	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
945	{	1007	{
946	ta->prev = SvSTATE (prev_sv);	1008	ta->prev = SvSTATE (prev_sv);
947	ta->next = SvSTATE (next_sv);	1009	ta->next = SvSTATE (next_sv);
948	}	1010	}
949		1011
950	static void	1012	static void
951	api_transfer (SV prev_sv, SV next_sv)	1013	api_transfer (SV prev_sv, SV next_sv)
952	{	1014	{
		1015	dTHX;
953	struct transfer_args ta;	1016	struct transfer_args ta;
954		1017
955	prepare_transfer (&ta, prev_sv, next_sv);	1018	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
956	TRANSFER (ta);	1019	TRANSFER (ta);
957	}	1020	}
958		1021
959	static int	1022	static int
960	api_save (SV *coro_sv, int new_save)	1023	api_save (SV *coro_sv, int new_save)
961	{	1024	{
		1025	dTHX;
962	struct coro *coro = SvSTATE (coro_sv);	1026	struct coro *coro = SvSTATE (coro_sv);
963	int old_save = coro->save;	1027	int old_save = coro->save;
964		1028
965	if (new_save >= 0)	1029	if (new_save >= 0)
966	coro->save = new_save;	1030	coro->save = new_save;
…		…
969	}	1033	}
970		1034
971	/ Coro ******************************************************************/	1035	/ Coro ******************************************************************/
972		1036
973	static void	1037	static void
974	coro_enq (SV *coro_sv)	1038	coro_enq (pTHX_ SV *coro_sv)
975	{	1039	{
976	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1040	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
977	}	1041	}
978		1042
979	static SV *	1043	static SV *
980	coro_deq (int min_prio)	1044	coro_deq (pTHX_ int min_prio)
981	{	1045	{
982	int prio = PRIO_MAX - PRIO_MIN;	1046	int prio = PRIO_MAX - PRIO_MIN;
983		1047
984	min_prio -= PRIO_MIN;	1048	min_prio -= PRIO_MIN;
985	if (min_prio < 0)	1049	if (min_prio < 0)
…		…
993	}	1057	}
994		1058
995	static int	1059	static int
996	api_ready (SV *coro_sv)	1060	api_ready (SV *coro_sv)
997	{	1061	{
		1062	dTHX;
998	struct coro *coro;	1063	struct coro *coro;
999		1064
1000	if (SvROK (coro_sv))	1065	if (SvROK (coro_sv))
1001	coro_sv = SvRV (coro_sv);	1066	coro_sv = SvRV (coro_sv);
1002		1067
…		…
1006	return 0;	1071	return 0;
1007		1072
1008	coro->flags \|= CF_READY;	1073	coro->flags \|= CF_READY;
1009		1074
1010	LOCK;	1075	LOCK;
1011	coro_enq (SvREFCNT_inc (coro_sv));	1076	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1012	++coro_nready;	1077	++coro_nready;
1013	UNLOCK;	1078	UNLOCK;
1014		1079
1015	return 1;	1080	return 1;
1016	}	1081	}
1017		1082
1018	static int	1083	static int
1019	api_is_ready (SV *coro_sv)	1084	api_is_ready (SV *coro_sv)
1020	{	1085	{
		1086	dTHX;
1021	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1087	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1022	}	1088	}
1023		1089
1024	static void	1090	static void
1025	prepare_schedule (struct transfer_args *ta)	1091	prepare_schedule (pTHX_ struct transfer_args *ta)
1026	{	1092	{
1027	SV prev_sv, next_sv;	1093	SV prev_sv, next_sv;
1028		1094
1029	for (;;)	1095	for (;;)
1030	{	1096	{
1031	LOCK;	1097	LOCK;
1032	next_sv = coro_deq (PRIO_MIN);	1098	next_sv = coro_deq (aTHX_ PRIO_MIN);
1033		1099
1034	/* nothing to schedule: call the idle handler */	1100	/* nothing to schedule: call the idle handler */
1035	if (!next_sv)	1101	if (!next_sv)
1036	{	1102	{
1037	dSP;	1103	dSP;
…		…
1072		1138
1073	assert (ta->next->flags & CF_READY);	1139	assert (ta->next->flags & CF_READY);
1074	ta->next->flags &= ~CF_READY;	1140	ta->next->flags &= ~CF_READY;
1075		1141
1076	LOCK;	1142	LOCK;
1077	free_coro_mortal ();	1143	free_coro_mortal (aTHX);
1078	coro_mortal = prev_sv;	1144	coro_mortal = prev_sv;
1079	UNLOCK;	1145	UNLOCK;
1080	}	1146	}
1081		1147
1082	static void	1148	static void
1083	prepare_cede (struct transfer_args *ta)	1149	prepare_cede (pTHX_ struct transfer_args *ta)
1084	{	1150	{
1085	api_ready (coro_current);	1151	api_ready (coro_current);
1086	prepare_schedule (ta);	1152	prepare_schedule (aTHX_ ta);
1087	}	1153	}
1088		1154
1089	static int	1155	static int
1090	prepare_cede_notself (struct transfer_args *ta)	1156	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1091	{	1157	{
1092	if (coro_nready)	1158	if (coro_nready)
1093	{	1159	{
1094	SV *prev = SvRV (coro_current);	1160	SV *prev = SvRV (coro_current);
1095	prepare_schedule (ta);	1161	prepare_schedule (aTHX_ ta);
1096	api_ready (prev);	1162	api_ready (prev);
1097	return 1;	1163	return 1;
1098	}	1164	}
1099	else	1165	else
1100	return 0;	1166	return 0;
1101	}	1167	}
1102		1168
1103	static void	1169	static void
1104	api_schedule (void)	1170	api_schedule (void)
1105	{	1171	{
		1172	dTHX;
1106	struct transfer_args ta;	1173	struct transfer_args ta;
1107		1174
1108	prepare_schedule (&ta);	1175	prepare_schedule (aTHX_ &ta);
1109	TRANSFER (ta);	1176	TRANSFER (ta);
1110	}	1177	}
1111		1178
1112	static int	1179	static int
1113	api_cede (void)	1180	api_cede (void)
1114	{	1181	{
		1182	dTHX;
1115	struct transfer_args ta;	1183	struct transfer_args ta;
1116		1184
1117	prepare_cede (&ta);	1185	prepare_cede (aTHX_ &ta);
1118		1186
1119	if (ta.prev != ta.next)	1187	if (ta.prev != ta.next)
1120	{	1188	{
1121	TRANSFER (ta);	1189	TRANSFER (ta);
1122	return 1;	1190	return 1;
…		…
1126	}	1194	}
1127		1195
1128	static int	1196	static int
1129	api_cede_notself (void)	1197	api_cede_notself (void)
1130	{	1198	{
		1199	dTHX;
1131	struct transfer_args ta;	1200	struct transfer_args ta;
1132		1201
1133	if (prepare_cede_notself (&ta))	1202	if (prepare_cede_notself (aTHX_ &ta))
1134	{	1203	{
1135	TRANSFER (ta);	1204	TRANSFER (ta);
1136	return 1;	1205	return 1;
1137	}	1206	}
1138	else	1207	else
…		…
1154		1223
1155	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1224	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1156	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1225	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1157	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1226	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1158	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1227	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1228	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1229	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1159	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1230	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1160		1231
1161	main_mainstack = PL_mainstack;	1232	main_mainstack = PL_mainstack;
		1233	main_top_env = PL_top_env;
		1234
		1235	while (main_top_env->je_prev)
		1236	main_top_env = main_top_env->je_prev;
1162		1237
1163	coroapi.ver = CORO_API_VERSION;	1238	coroapi.ver = CORO_API_VERSION;
1164	coroapi.transfer = api_transfer;	1239	coroapi.transfer = api_transfer;
1165		1240
1166	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1241	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1174	HV *hv;	1249	HV *hv;
1175	int i;	1250	int i;
1176		1251
1177	Newz (0, coro, 1, struct coro);	1252	Newz (0, coro, 1, struct coro);
1178	coro->args = newAV ();	1253	coro->args = newAV ();
1179	coro->save = CORO_SAVE_ALL;	1254	coro->save = CORO_SAVE_DEF;
1180	coro->flags = CF_NEW;	1255	coro->flags = CF_NEW;
1181		1256
		1257	if (coro_first) coro_first->prev = coro;
		1258	coro->next = coro_first;
		1259	coro_first = coro;
		1260
1182	hv = newHV ();	1261	coro->hv = hv = newHV ();
1183	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1262	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1184	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1263	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1185		1264
1186	for (i = 1; i < items; i++)	1265	for (i = 1; i < items; i++)
1187	av_push (coro->args, newSVsv (ST (i)));	1266	av_push (coro->args, newSVsv (ST (i)));
…		…
1191		1270
1192	int	1271	int
1193	save (SV *coro, int new_save = -1)	1272	save (SV *coro, int new_save = -1)
1194	CODE:	1273	CODE:
1195	RETVAL = api_save (coro, new_save);	1274	RETVAL = api_save (coro, new_save);
		1275	OUTPUT:
		1276	RETVAL
		1277
		1278	int
		1279	save_also (SV *coro_sv, int save_also)
		1280	CODE:
		1281	{
		1282	struct coro *coro = SvSTATE (coro_sv);
		1283	RETVAL = coro->save;
		1284	coro->save \|= save_also;
		1285	}
1196	OUTPUT:	1286	OUTPUT:
1197	RETVAL	1287	RETVAL
1198		1288
1199	void	1289	void
1200	_set_stacklevel (...)	1290	_set_stacklevel (...)
…		…
1216		1306
1217	case 1:	1307	case 1:
1218	if (items != 2)	1308	if (items != 2)
1219	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1309	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1220		1310
1221	prepare_transfer (&ta, ST (0), ST (1));	1311	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1222	break;	1312	break;
1223		1313
1224	case 2:	1314	case 2:
1225	prepare_schedule (&ta);	1315	prepare_schedule (aTHX_ &ta);
1226	break;	1316	break;
1227		1317
1228	case 3:	1318	case 3:
1229	prepare_cede (&ta);	1319	prepare_cede (aTHX_ &ta);
1230	break;	1320	break;
1231		1321
1232	case 4:	1322	case 4:
1233	if (!prepare_cede_notself (&ta))	1323	if (!prepare_cede_notself (aTHX_ &ta))
1234	XSRETURN_EMPTY;	1324	XSRETURN_EMPTY;
1235		1325
1236	break;	1326	break;
1237	}	1327	}
1238		1328
…		…
1244	}	1334	}
1245		1335
1246	bool	1336	bool
1247	_destroy (SV *coro_sv)	1337	_destroy (SV *coro_sv)
1248	CODE:	1338	CODE:
1249	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1339	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1250	OUTPUT:	1340	OUTPUT:
1251	RETVAL	1341	RETVAL
1252		1342
1253	void	1343	void
1254	_exit (code)	1344	_exit (code)
…		…
1256	PROTOTYPE: $	1346	PROTOTYPE: $
1257	CODE:	1347	CODE:
1258	_exit (code);	1348	_exit (code);
1259		1349
1260	int	1350	int
		1351	cctx_stacksize (int new_stacksize = 0)
		1352	CODE:
		1353	RETVAL = coro_stacksize;
		1354	if (new_stacksize)
		1355	coro_stacksize = new_stacksize;
		1356	OUTPUT:
		1357	RETVAL
		1358
		1359	int
1261	cctx_count ()	1360	cctx_count ()
1262	CODE:	1361	CODE:
1263	RETVAL = cctx_count;	1362	RETVAL = cctx_count;
1264	OUTPUT:	1363	OUTPUT:
1265	RETVAL	1364	RETVAL
…		…
1269	CODE:	1368	CODE:
1270	RETVAL = cctx_idle;	1369	RETVAL = cctx_idle;
1271	OUTPUT:	1370	OUTPUT:
1272	RETVAL	1371	RETVAL
1273		1372
		1373	void
		1374	list ()
		1375	PPCODE:
		1376	{
		1377	struct coro *coro;
		1378	for (coro = coro_first; coro; coro = coro->next)
		1379	if (coro->hv)
		1380	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1381	}
		1382
		1383	void
		1384	_eval (Coro::State coro, SV *coderef)
		1385	CODE:
		1386	{
		1387	if (coro->mainstack)
		1388	{
		1389	struct coro temp;
		1390	Zero (&temp, 1, struct coro);
		1391	temp.save = CORO_SAVE_ALL;
		1392
		1393	if (!(coro->flags & CF_RUNNING))
		1394	{
		1395	save_perl (aTHX_ &temp);
		1396	load_perl (aTHX_ coro);
		1397	}
		1398
		1399	{
		1400	dSP;
		1401	ENTER;
		1402	SAVETMPS;
		1403	PUSHMARK (SP);
		1404	PUTBACK;
		1405	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1406	SPAGAIN;
		1407	FREETMPS;
		1408	LEAVE;
		1409	PUTBACK;
		1410	}
		1411
		1412	if (!(coro->flags & CF_RUNNING))
		1413	{
		1414	save_perl (aTHX_ coro);
		1415	load_perl (aTHX_ &temp);
		1416	}
		1417	}
		1418	}
		1419
		1420	SV *
		1421	is_ready (Coro::State coro)
		1422	PROTOTYPE: $
		1423	ALIAS:
		1424	is_ready = CF_READY
		1425	is_running = CF_RUNNING
		1426	is_new = CF_NEW
		1427	is_destroyed = CF_DESTROYED
		1428	CODE:
		1429	RETVAL = boolSV (coro->flags & ix);
		1430	OUTPUT:
		1431	RETVAL
		1432
		1433	SV *
		1434	has_stack (Coro::State coro)
		1435	PROTOTYPE: $
		1436	CODE:
		1437	RETVAL = boolSV (!!coro->cctx);
		1438	OUTPUT:
		1439	RETVAL
		1440
		1441	IV
		1442	rss (Coro::State coro)
		1443	PROTOTYPE: $
		1444	CODE:
		1445	RETVAL = coro_rss (coro);
		1446	OUTPUT:
		1447	RETVAL
		1448
		1449
1274	MODULE = Coro::State PACKAGE = Coro	1450	MODULE = Coro::State PACKAGE = Coro
1275		1451
1276	BOOT:	1452	BOOT:
1277	{	1453	{
1278	int i;	1454	int i;
		1455
		1456	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1457	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1458	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1459
		1460	coro_current = get_sv ("Coro::current", FALSE);
		1461	SvREADONLY_on (coro_current);
1279		1462
1280	coro_stash = gv_stashpv ("Coro", TRUE);	1463	coro_stash = gv_stashpv ("Coro", TRUE);
1281		1464
1282	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1465	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1283	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1466	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1284	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1467	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1285	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1468	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1286	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1469	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1287	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1470	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1288
1289	coro_current = get_sv ("Coro::current", FALSE);
1290	SvREADONLY_on (coro_current);
1291		1471
1292	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1472	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1293	coro_ready[i] = newAV ();	1473	coro_ready[i] = newAV ();
1294		1474
1295	{	1475	{
…		…
1345	CODE:	1525	CODE:
1346	RETVAL = boolSV (api_ready (self));	1526	RETVAL = boolSV (api_ready (self));
1347	OUTPUT:	1527	OUTPUT:
1348	RETVAL	1528	RETVAL
1349		1529
1350	SV *
1351	is_ready (SV *self)
1352	PROTOTYPE: $
1353	CODE:
1354	RETVAL = boolSV (api_is_ready (self));
1355	OUTPUT:
1356	RETVAL
1357
1358	int	1530	int
1359	nready (...)	1531	nready (...)
1360	PROTOTYPE:	1532	PROTOTYPE:
1361	CODE:	1533	CODE:
1362	RETVAL = coro_nready;	1534	RETVAL = coro_nready;
1363	OUTPUT:	1535	OUTPUT:
1364	RETVAL	1536	RETVAL
1365		1537
		1538	# for async_pool speedup
		1539	void
		1540	_pool_1 (SV *cb)
		1541	CODE:
		1542	{
		1543	int i, len;
		1544	HV hv = (HV )SvRV (coro_current);
		1545	AV *defav = GvAV (PL_defgv);
		1546	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1547	AV *invoke_av;
		1548
		1549	if (!invoke)
		1550	croak ("\3terminate\2\n");
		1551
		1552	hv_store (hv, "desc", sizeof ("desc") - 1,
		1553	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1554
		1555	invoke_av = (AV *)SvRV (invoke);
		1556	len = av_len (invoke_av);
		1557
		1558	sv_setsv (cb, AvARRAY (invoke_av)[0]);
		1559
		1560	if (len > 0)
		1561	{
		1562	av_fill (defav, len - 1);
		1563	for (i = 0; i < len; ++i)
		1564	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1565	}
		1566
		1567	SvREFCNT_dec (invoke);
		1568	}
		1569
		1570	void
		1571	_pool_2 (SV *cb)
		1572	CODE:
		1573	{
		1574	struct coro *coro = SvSTATE (coro_current);
		1575
		1576	sv_setsv (cb, &PL_sv_undef);
		1577
		1578	if (coro_rss (coro) > SvIV (sv_pool_rss)
		1579	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1580	croak ("\3terminate\2\n");
		1581
		1582	av_clear (GvAV (PL_defgv));
		1583	hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1584	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1585	coro->save = CORO_SAVE_DEF;
		1586	coro->prio = 0;
		1587	av_push (av_async_pool, newSVsv (coro_current));
		1588	}
		1589
		1590
1366	MODULE = Coro::State PACKAGE = Coro::AIO	1591	MODULE = Coro::State PACKAGE = Coro::AIO
1367		1592
1368	SV *	1593	SV *
1369	_get_state ()	1594	_get_state ()
1370	CODE:	1595	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs. Revision 1.162 by root, Sun Sep 23 21:49:58 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.141 by root, Mon Jan 22 18:45:17 2007 UTC vs.
Revision 1.162 by root, Sun Sep 23 21:49:58 2007 UTC