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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC vs.
Revision 1.160 by root, Sat Sep 22 22:39:15 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>
		40	# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end))
		41	#else
		42	# define REGISTER_STACK(cctx,start,end)
38	#endif	43	#endif
39		44
40	/* the maximum number of idle cctx that will be pooled */	45	/* the maximum number of idle cctx that will be pooled */
41	#define MAX_IDLE_CCTX 8	46	#define MAX_IDLE_CCTX 8
42		47
…		…
71	#ifndef SvRV_set	76	#ifndef SvRV_set
72	# define SvRV_set(s,v) SvRV(s) = (v)	77	# define SvRV_set(s,v) SvRV(s) = (v)
73	#endif	78	#endif
74		79
75	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
76	# undef STACKGUARD	81	# undef CORO_STACKGUARD
77	#endif	82	#endif
78		83
79	#ifndef STACKGUARD	84	#ifndef CORO_STACKGUARD
80	# define STACKGUARD 0	85	# define CORO_STACKGUARD 0
81	#endif	86	#endif
82		87
83	/* prefer perl internal functions over our own? */	88	/* prefer perl internal functions over our own? */
84	#ifndef PREFER_PERL_FUNCTIONS	89	#ifndef CORO_PREFER_PERL_FUNCTIONS
85	# define PREFER_PERL_FUNCTIONS 0	90	# define CORO_PREFER_PERL_FUNCTIONS 0
86	#endif	91	#endif
87		92
88	/* 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
89	* to the current C stack pointer. Its property is that it changes with each call	94	* portable way as possible. */
90	* and should be unique. */
91	#define dSTACKLEVEL int stacklevel	95	#define dSTACKLEVEL volatile char stacklevel
92	#define STACKLEVEL ((void *)&stacklevel)	96	#define STACKLEVEL ((void *)&stacklevel)
93		97
94	#define IN_DESTRUCT (PL_main_cv == Nullcv)	98	#define IN_DESTRUCT (PL_main_cv == Nullcv)
95		99
96	#if __GNUC__ >= 3	100	#if __GNUC__ >= 3
…		…
121	I32 laststype;	125	I32 laststype;
122	int laststatval;	126	int laststatval;
123	Stat_t statcache;	127	Stat_t statcache;
124	};	128	};
125		129
		130	static size_t coro_stacksize = CORO_STACKSIZE;
126	static struct CoroAPI coroapi;	131	static struct CoroAPI coroapi;
127	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;
128	static HV coro_state_stash, coro_stash;	134	static HV coro_state_stash, coro_stash;
129	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;
130		141
131	static struct coro_cctx *cctx_first;	142	static struct coro_cctx *cctx_first;
132	static int cctx_count, cctx_idle;	143	static int cctx_count, cctx_idle;
133		144
134	/* this is a structure representing a c-level coroutine */	145	/* this is a structure representing a c-level coroutine */
135	typedef struct coro_cctx {	146	typedef struct coro_cctx {
136	struct coro_cctx *next;	147	struct coro_cctx *next;
137		148
138	/* the stack */	149	/* the stack */
139	void *sptr;	150	void *sptr;
140	long ssize; /* positive == mmap, otherwise malloc */	151	size_t ssize;
141		152
142	/* cpu state */	153	/* cpu state */
143	void idle_sp; / sp of top-level transfer/schedule/cede call */	154	void idle_sp; / sp of top-level transfer/schedule/cede call */
144	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 */
145	JMPENV *top_env;	156	JMPENV *top_env;
146	coro_context cctx;	157	coro_context cctx;
147		158
148	int inuse;
149
150	#if USE_VALGRIND	159	#if CORO_USE_VALGRIND
151	int valgrind_id;	160	int valgrind_id;
152	#endif	161	#endif
		162	char inuse, mapped;
153	} coro_cctx;	163	} coro_cctx;
154		164
155	enum {	165	enum {
156	CF_RUNNING = 0x0001, /* coroutine is running */	166	CF_RUNNING = 0x0001, /* coroutine is running */
157	CF_READY = 0x0002, /* coroutine is ready */	167	CF_READY = 0x0002, /* coroutine is ready */
…		…
172		182
173	/* optionally saved, might be zero */	183	/* optionally saved, might be zero */
174	AV defav; / @_ */	184	AV defav; / @_ */
175	SV defsv; / $_ */	185	SV defsv; / $_ */
176	SV errsv; / $@ */	186	SV errsv; / $@ */
		187	GV deffh; / default filehandle */
177	SV irssv; / $/ */	188	SV irssv; / $/ */
178	SV irssv_sv; / real $/ cache */	189	SV irssv_sv; / real $/ cache */
179		190
180	#define VAR(name,type) type name;	191	#define VAR(name,type) type name;
181	# include "state.h"	192	# include "state.h"
182	#undef VAR	193	#undef VAR
183		194
184	/* coro process data */	195	/* coro process data */
185	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 */
186	};	201	};
187		202
188	typedef struct coro *Coro__State;	203	typedef struct coro *Coro__State;
189	typedef struct coro *Coro__State_or_hashref;	204	typedef struct coro *Coro__State_or_hashref;
190		205
…		…
199		214
200	/* for Coro.pm */	215	/* for Coro.pm */
201	static SV *coro_current;	216	static SV *coro_current;
202	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	217	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
203	static int coro_nready;	218	static int coro_nready;
		219	static struct coro *coro_first;
204		220
205	/ lowlevel stuff ********************************************************/	221	/ lowlevel stuff ********************************************************/
206		222
207	static AV *	223	static AV *
208	coro_clone_padlist (CV *cv)	224	coro_clone_padlist (pTHX_ CV *cv)
209	{	225	{
210	AV *padlist = CvPADLIST (cv);	226	AV *padlist = CvPADLIST (cv);
211	AV newpadlist, newpad;	227	AV newpadlist, newpad;
212		228
213	newpadlist = newAV ();	229	newpadlist = newAV ();
…		…
225		241
226	return newpadlist;	242	return newpadlist;
227	}	243	}
228		244
229	static void	245	static void
230	free_padlist (AV *padlist)	246	free_padlist (pTHX_ AV *padlist)
231	{	247	{
232	/* may be during global destruction */	248	/* may be during global destruction */
233	if (SvREFCNT (padlist))	249	if (SvREFCNT (padlist))
234	{	250	{
235	I32 i = AvFILLp (padlist);	251	I32 i = AvFILLp (padlist);
…		…
256	AV *padlist;	272	AV *padlist;
257	AV av = (AV )mg->mg_obj;	273	AV av = (AV )mg->mg_obj;
258		274
259	/* casting is fun. */	275	/* casting is fun. */
260	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	276	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
261	free_padlist (padlist);	277	free_padlist (aTHX_ padlist);
262		278
263	SvREFCNT_dec (av);	279	SvREFCNT_dec (av);
264		280
265	return 0;	281	return 0;
266	}	282	}
…		…
276	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	292	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
277	: 0	293	: 0
278		294
279	/* the next two functions merely cache the padlists */	295	/* the next two functions merely cache the padlists */
280	static void	296	static void
281	get_padlist (CV *cv)	297	get_padlist (pTHX_ CV *cv)
282	{	298	{
283	MAGIC *mg = CORO_MAGIC (cv);	299	MAGIC *mg = CORO_MAGIC (cv);
284	AV *av;	300	AV *av;
285		301
286	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	302	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
287	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	303	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
288	else	304	else
289	{	305	{
290	#if PREFER_PERL_FUNCTIONS	306	#if CORO_PREFER_PERL_FUNCTIONS
291	/* this is probably cleaner, but also slower? */	307	/* this is probably cleaner, but also slower? */
292	CV *cp = Perl_cv_clone (cv);	308	CV *cp = Perl_cv_clone (cv);
293	CvPADLIST (cv) = CvPADLIST (cp);	309	CvPADLIST (cv) = CvPADLIST (cp);
294	CvPADLIST (cp) = 0;	310	CvPADLIST (cp) = 0;
295	SvREFCNT_dec (cp);	311	SvREFCNT_dec (cp);
296	#else	312	#else
297	CvPADLIST (cv) = coro_clone_padlist (cv);	313	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
298	#endif	314	#endif
299	}	315	}
300	}	316	}
301		317
302	static void	318	static void
303	put_padlist (CV *cv)	319	put_padlist (pTHX_ CV *cv)
304	{	320	{
305	MAGIC *mg = CORO_MAGIC (cv);	321	MAGIC *mg = CORO_MAGIC (cv);
306	AV *av;	322	AV *av;
307		323
308	if (!mg)	324	if (!mg)
…		…
327	#define SE } while (0)	343	#define SE } while (0)
328		344
329	#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
330		346
331	static void	347	static void
332	load_perl (Coro__State c)	348	load_perl (pTHX_ Coro__State c)
333	{	349	{
334	#define VAR(name,type) PL_ ## name = c->name;	350	#define VAR(name,type) PL_ ## name = c->name;
335	# include "state.h"	351	# include "state.h"
336	#undef VAR	352	#undef VAR
337		353
338	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	354	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
339	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	355	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
340	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
341	if (c->irssv)	359	if (c->irssv)
342	{	360	{
343	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	361	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		362	{
344	SvREFCNT_dec (c->irssv);	363	SvREFCNT_dec (c->irssv);
		364	c->irssv = 0;
		365	}
345	else	366	else
346	{	367	{
347	REPLACE_SV (PL_rs, c->irssv);	368	REPLACE_SV (PL_rs, c->irssv);
348	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	369	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
349	sv_setsv (c->irssv_sv, PL_rs);	370	sv_setsv (c->irssv_sv, PL_rs);
…		…
355	CV *cv;	376	CV *cv;
356		377
357	/* now do the ugly restore mess */	378	/* now do the ugly restore mess */
358	while ((cv = (CV *)POPs))	379	while ((cv = (CV *)POPs))
359	{	380	{
360	put_padlist (cv); /* mark this padlist as available */	381	put_padlist (aTHX_ cv); /* mark this padlist as available */
361	CvDEPTH (cv) = PTR2IV (POPs);	382	CvDEPTH (cv) = PTR2IV (POPs);
362	CvPADLIST (cv) = (AV *)POPs;	383	CvPADLIST (cv) = (AV *)POPs;
363	}	384	}
364		385
365	PUTBACK;	386	PUTBACK;
366	}	387	}
367	}	388	}
368		389
369	static void	390	static void
370	save_perl (Coro__State c)	391	save_perl (pTHX_ Coro__State c)
371	{	392	{
372	{	393	{
373	dSP;	394	dSP;
374	I32 cxix = cxstack_ix;	395	I32 cxix = cxstack_ix;
375	PERL_CONTEXT *ccstk = cxstack;	396	PERL_CONTEXT *ccstk = cxstack;
…		…
378	/*	399	/*
379	* 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
380	* (and reinitialize) all cv's in the whole callchain :(	401	* (and reinitialize) all cv's in the whole callchain :(
381	*/	402	*/
382		403
383	EXTEND (SP, 3 + 1);
384	PUSHs (Nullsv);	404	XPUSHs (Nullsv);
385	/* this loop was inspired by pp_caller */	405	/* this loop was inspired by pp_caller */
386	for (;;)	406	for (;;)
387	{	407	{
388	while (cxix >= 0)	408	while (cxix >= 0)
389	{	409	{
390	PERL_CONTEXT *cx = &ccstk[cxix--];	410	PERL_CONTEXT *cx = &ccstk[cxix--];
391		411
392	if (CxTYPE (cx) == CXt_SUB)	412	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
393	{	413	{
394	CV *cv = cx->blk_sub.cv;	414	CV *cv = cx->blk_sub.cv;
395		415
396	if (CvDEPTH (cv))	416	if (CvDEPTH (cv))
397	{	417	{
…		…
399	PUSHs ((SV *)CvPADLIST (cv));	419	PUSHs ((SV *)CvPADLIST (cv));
400	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	420	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
401	PUSHs ((SV *)cv);	421	PUSHs ((SV *)cv);
402		422
403	CvDEPTH (cv) = 0;	423	CvDEPTH (cv) = 0;
404	get_padlist (cv);	424	get_padlist (aTHX_ cv);
405	}	425	}
406	}	426	}
407	}	427	}
408		428
409	if (top_si->si_type == PERLSI_MAIN)	429	if (top_si->si_type == PERLSI_MAIN)
410	break;	430	break;
411		431
412	top_si = top_si->si_prev;	432	top_si = top_si->si_prev;
413	ccstk = top_si->si_cxstack;	433	ccstk = top_si->si_cxstack;
414	cxix = top_si->si_cxix;	434	cxix = top_si->si_cxix;
415	}	435	}
416		436
417	PUTBACK;	437	PUTBACK;
418	}	438	}
419		439
420	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;
421	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	441	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
422	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;
423	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;
424		445
425	#define VAR(name,type)c->name = PL_ ## name;	446	#define VAR(name,type)c->name = PL_ ## name;
426	# include "state.h"	447	# include "state.h"
427	#undef VAR	448	#undef VAR
…		…
431	* allocate various perl stacks. This is an exact copy	452	* allocate various perl stacks. This is an exact copy
432	* of perl.c:init_stacks, except that it uses less memory	453	* of perl.c:init_stacks, except that it uses less memory
433	* on the (sometimes correct) assumption that coroutines do	454	* on the (sometimes correct) assumption that coroutines do
434	* not usually need a lot of stackspace.	455	* not usually need a lot of stackspace.
435	*/	456	*/
436	#if PREFER_PERL_FUNCTIONS	457	#if CORO_PREFER_PERL_FUNCTIONS
437	# define coro_init_stacks init_stacks	458	# define coro_init_stacks init_stacks
438	#else	459	#else
439	static void	460	static void
440	coro_init_stacks ()	461	coro_init_stacks (pTHX)
441	{	462	{
442	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	463	PL_curstackinfo = new_stackinfo(64, 6);
443	PL_curstackinfo->si_type = PERLSI_MAIN;	464	PL_curstackinfo->si_type = PERLSI_MAIN;
444	PL_curstack = PL_curstackinfo->si_stack;	465	PL_curstack = PL_curstackinfo->si_stack;
445	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	466	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
446		467
447	PL_stack_base = AvARRAY(PL_curstack);	468	PL_stack_base = AvARRAY(PL_curstack);
448	PL_stack_sp = PL_stack_base;	469	PL_stack_sp = PL_stack_base;
449	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	470	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
450		471
451	New(50,PL_tmps_stack,128,SV*);	472	New(50,PL_tmps_stack,64,SV*);
452	PL_tmps_floor = -1;	473	PL_tmps_floor = -1;
453	PL_tmps_ix = -1;	474	PL_tmps_ix = -1;
454	PL_tmps_max = 128;	475	PL_tmps_max = 64;
455		476
456	New(54,PL_markstack,32,I32);	477	New(54,PL_markstack,16,I32);
457	PL_markstack_ptr = PL_markstack;	478	PL_markstack_ptr = PL_markstack;
458	PL_markstack_max = PL_markstack + 32;	479	PL_markstack_max = PL_markstack + 16;
459		480
460	#ifdef SET_MARK_OFFSET	481	#ifdef SET_MARK_OFFSET
461	SET_MARK_OFFSET;	482	SET_MARK_OFFSET;
462	#endif	483	#endif
463		484
464	New(54,PL_scopestack,32,I32);	485	New(54,PL_scopestack,16,I32);
465	PL_scopestack_ix = 0;	486	PL_scopestack_ix = 0;
466	PL_scopestack_max = 32;	487	PL_scopestack_max = 16;
467		488
468	New(54,PL_savestack,64,ANY);	489	New(54,PL_savestack,64,ANY);
469	PL_savestack_ix = 0;	490	PL_savestack_ix = 0;
470	PL_savestack_max = 64;	491	PL_savestack_max = 64;
471		492
472	#if !PERL_VERSION_ATLEAST (5,9,0)	493	#if !PERL_VERSION_ATLEAST (5,9,0)
473	New(54,PL_retstack,16,OP*);	494	New(54,PL_retstack,4,OP*);
474	PL_retstack_ix = 0;	495	PL_retstack_ix = 0;
475	PL_retstack_max = 16;	496	PL_retstack_max = 4;
476	#endif	497	#endif
477	}	498	}
478	#endif	499	#endif
479		500
480	/*	501	/*
481	* destroy the stacks, the callchain etc...	502	* destroy the stacks, the callchain etc...
482	*/	503	*/
483	static void	504	static void
484	coro_destroy_stacks ()	505	coro_destroy_stacks (pTHX)
485	{	506	{
486	if (!IN_DESTRUCT)	507	if (!IN_DESTRUCT)
487	{	508	{
488	/* restore all saved variables and stuff */	509	/* restore all saved variables and stuff */
489	LEAVE_SCOPE (0);	510	LEAVE_SCOPE (0);
…		…
522	#if !PERL_VERSION_ATLEAST (5,9,0)	543	#if !PERL_VERSION_ATLEAST (5,9,0)
523	Safefree (PL_retstack);	544	Safefree (PL_retstack);
524	#endif	545	#endif
525	}	546	}
526		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
527	/ coroutine stack handling **********************************************/	579	/ coroutine stack handling **********************************************/
528		580
529	static void	581	static void
530	setup_coro (struct coro *coro)	582	setup_coro (pTHX_ struct coro *coro)
531	{	583	{
532	/*	584	/*
533	* emulate part of the perl startup here.	585	* emulate part of the perl startup here.
534	*/	586	*/
535
536	coro_init_stacks ();	587	coro_init_stacks (aTHX);
537		588
538	PL_curcop = &PL_compiling;	589	PL_curcop = &PL_compiling;
539	PL_in_eval = EVAL_NULL;	590	PL_in_eval = EVAL_NULL;
		591	PL_comppad = 0;
540	PL_curpm = 0;	592	PL_curpm = 0;
541	PL_localizing = 0;	593	PL_localizing = 0;
542	PL_dirty = 0;	594	PL_dirty = 0;
543	PL_restartop = 0;	595	PL_restartop = 0;
544		596
…		…
552	Zero (&myop, 1, LOGOP);	604	Zero (&myop, 1, LOGOP);
553	myop.op_next = Nullop;	605	myop.op_next = Nullop;
554	myop.op_flags = OPf_WANT_VOID;	606	myop.op_flags = OPf_WANT_VOID;
555		607
556	PUSHMARK (SP);	608	PUSHMARK (SP);
557	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	609	XPUSHs (av_shift (GvAV (PL_defgv)));
558	PUTBACK;	610	PUTBACK;
559	PL_op = (OP *)&myop;	611	PL_op = (OP *)&myop;
560	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	612	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
561	SPAGAIN;	613	SPAGAIN;
562	}	614	}
563		615
564	ENTER; /* necessary e.g. for dounwind */	616	ENTER; /* necessary e.g. for dounwind */
565	}	617	}
566		618
567	static void	619	static void
568	free_coro_mortal ()	620	free_coro_mortal (pTHX)
569	{	621	{
570	if (coro_mortal)	622	if (coro_mortal)
571	{	623	{
572	SvREFCNT_dec (coro_mortal);	624	SvREFCNT_dec (coro_mortal);
573	coro_mortal = 0;	625	coro_mortal = 0;
574	}	626	}
575	}	627	}
576		628
577	/* 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 */
578	static void NOINLINE	632	static void NOINLINE
579	prepare_cctx (coro_cctx *cctx)	633	prepare_cctx (pTHX_ coro_cctx *cctx)
580	{	634	{
581	dSP;	635	dSP;
582	LOGOP myop;	636	LOGOP myop;
583		637
584	Zero (&myop, 1, LOGOP);	638	Zero (&myop, 1, LOGOP);
…		…
593	PL_op = (OP *)&myop;	647	PL_op = (OP *)&myop;
594	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	648	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
595	SPAGAIN;	649	SPAGAIN;
596	}	650	}
597		651
		652	/*
		653	* this is a _very_ stripped down perl interpreter ;)
		654	*/
598	static void	655	static void
599	coro_run (void *arg)	656	coro_run (void *arg)
600	{	657	{
		658	dTHX;
		659
601	/* coro_run is the alternative tail of transfer(), so unlock here. */	660	/* coro_run is the alternative tail of transfer(), so unlock here. */
602	UNLOCK;	661	UNLOCK;
603		662
604	/*
605	* this is a _very_ stripped down perl interpreter ;)
606	*/
607	PL_top_env = &PL_start_env;	663	PL_top_env = &PL_start_env;
608		664
609	/* inject call to cctx_init */	665	/* inject a fake subroutine call to cctx_init */
610	prepare_cctx ((coro_cctx *)arg);	666	prepare_cctx (aTHX_ (coro_cctx *)arg);
611		667
612	/* 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 */
613	PL_restartop = PL_op;	669	PL_restartop = PL_op;
614	perl_run (PL_curinterp);	670	perl_run (PL_curinterp);
615		671
616	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	672	/*
617	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 */
618	}	681	}
619		682
620	static coro_cctx *	683	static coro_cctx *
621	cctx_new ()	684	cctx_new ()
622	{	685	{
623	coro_cctx *cctx;	686	coro_cctx *cctx;
		687	void *stack_start;
		688	size_t stack_size;
624		689
625	++cctx_count;	690	++cctx_count;
626		691
627	Newz (0, cctx, 1, coro_cctx);	692	Newz (0, cctx, 1, coro_cctx);
628		693
629	#if HAVE_MMAP	694	#if HAVE_MMAP
630		695
631	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	696	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
632	/* mmap supposedly does allocate-on-write for us */	697	/* mmap supposedly does allocate-on-write for us */
633	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);
634		699
635	if (cctx->sptr == (void *)-1)	700	if (cctx->sptr != (void *)-1)
636	{
637	perror ("FATAL: unable to mmap stack for coroutine");
638	_exit (EXIT_FAILURE);
639	}	701	{
640
641	# if STACKGUARD	702	# if CORO_STACKGUARD
642	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	703	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
643	# endif	704	# endif
		705	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
		706	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
		707	cctx->mapped = 1;
		708	}
		709	else
		710	#endif
		711	{
		712	cctx->ssize = coro_stacksize * (long)sizeof (long);
		713	New (0, cctx->sptr, coro_stacksize, long);
644		714
645	#else
646
647	cctx->ssize = STACKSIZE * (long)sizeof (long);
648	New (0, cctx->sptr, STACKSIZE, long);
649
650	if (!cctx->sptr)	715	if (!cctx->sptr)
651	{	716	{
652	perror ("FATAL: unable to malloc stack for coroutine");	717	perror ("FATAL: unable to allocate stack for coroutine");
653	_exit (EXIT_FAILURE);	718	_exit (EXIT_FAILURE);
654	}	719	}
655		720
656	#endif	721	stack_start = cctx->sptr;
		722	stack_size = cctx->ssize;
		723	}
657		724
658	#if USE_VALGRIND	725	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
659	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
660	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
661	cctx->ssize + (char *)cctx->sptr
662	);
663	#endif
664
665	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);
666		727
667	return cctx;	728	return cctx;
668	}	729	}
669		730
670	static void	731	static void
…		…
673	if (!cctx)	734	if (!cctx)
674	return;	735	return;
675		736
676	--cctx_count;	737	--cctx_count;
677		738
678	#if USE_VALGRIND	739	#if CORO_USE_VALGRIND
679	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	740	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
680	#endif	741	#endif
681		742
682	#if HAVE_MMAP	743	#if HAVE_MMAP
		744	if (cctx->mapped)
683	munmap (cctx->sptr, cctx->ssize);	745	munmap (cctx->sptr, cctx->ssize);
684	#else	746	else
		747	#endif
685	Safefree (cctx->sptr);	748	Safefree (cctx->sptr);
686	#endif
687		749
688	Safefree (cctx);	750	Safefree (cctx);
689	}	751	}
690		752
691	static coro_cctx *	753	static coro_cctx *
692	cctx_get ()	754	cctx_get (pTHX)
693	{	755	{
694	coro_cctx *cctx;
695
696	if (cctx_first)	756	while (cctx_first)
697	{	757	{
698	cctx = cctx_first;	758	coro_cctx *cctx = cctx_first;
699	cctx_first = cctx->next;	759	cctx_first = cctx->next;
700	--cctx_idle;	760	--cctx_idle;
		761
		762	if (cctx->ssize >= coro_stacksize)
		763	return cctx;
		764
		765	cctx_destroy (cctx);
701	}	766	}
702	else	767
703	{
704	cctx = cctx_new ();
705	PL_op = PL_op->op_next;	768	PL_op = PL_op->op_next;
706	}
707
708	return cctx;	769	return cctx_new ();
709	}	770	}
710		771
711	static void	772	static void
712	cctx_put (coro_cctx *cctx)	773	cctx_put (coro_cctx *cctx)
713	{	774	{
…		…
729		790
730	/ coroutine switching ***************************************************/	791	/ coroutine switching ***************************************************/
731		792
732	/* never call directly, always through the coro_state_transfer global variable */	793	/* never call directly, always through the coro_state_transfer global variable */
733	static void NOINLINE	794	static void NOINLINE
734	transfer (struct coro prev, struct coro next)	795	transfer (pTHX_ struct coro prev, struct coro next)
735	{	796	{
736	dSTACKLEVEL;	797	dSTACKLEVEL;
737		798
738	/* sometimes transfer is only called to set idle_sp */	799	/* sometimes transfer is only called to set idle_sp */
739	if (!next)	800	if (!next)
…		…
772	if (next->flags & CF_NEW)	833	if (next->flags & CF_NEW)
773	{	834	{
774	/* need to start coroutine */	835	/* need to start coroutine */
775	next->flags &= ~CF_NEW;	836	next->flags &= ~CF_NEW;
776	/* first get rid of the old state */	837	/* first get rid of the old state */
777	save_perl (prev);	838	save_perl (aTHX_ prev);
778	/* setup coroutine call */	839	/* setup coroutine call */
779	setup_coro (next);	840	setup_coro (aTHX_ next);
780	/* need a new stack */	841	/* need a new stack */
781	assert (!next->cctx);	842	assert (!next->cctx);
782	}	843	}
783	else	844	else
784	{	845	{
785	/* coroutine already started */	846	/* coroutine already started */
786	save_perl (prev);	847	save_perl (aTHX_ prev);
787	load_perl (next);	848	load_perl (aTHX_ next);
788	}	849	}
789		850
790	prev__cctx = prev->cctx;	851	prev__cctx = prev->cctx;
791		852
792	/* possibly "free" the cctx */	853	/* possibly "free" the cctx */
…		…
801	prev__cctx->inuse = 0;	862	prev__cctx->inuse = 0;
802	}	863	}
803		864
804	if (!next->cctx)	865	if (!next->cctx)
805	{	866	{
806	next->cctx = cctx_get ();	867	next->cctx = cctx_get (aTHX);
807	assert (!next->cctx->inuse);	868	assert (!next->cctx->inuse);
808	next->cctx->inuse = 1;	869	next->cctx->inuse = 1;
809	}	870	}
810		871
811	if (prev__cctx != next->cctx)	872	if (prev__cctx != next->cctx)
…		…
813	prev__cctx->top_env = PL_top_env;	874	prev__cctx->top_env = PL_top_env;
814	PL_top_env = next->cctx->top_env;	875	PL_top_env = next->cctx->top_env;
815	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	876	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
816	}	877	}
817		878
818	free_coro_mortal ();	879	free_coro_mortal (aTHX);
819	UNLOCK;	880	UNLOCK;
820	}	881	}
821	}	882	}
822		883
823	struct transfer_args	884	struct transfer_args
824	{	885	{
825	struct coro prev, next;	886	struct coro prev, next;
826	};	887	};
827		888
828	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	889	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
829		890
830	/ high level stuff ******************************************************/	891	/ high level stuff ******************************************************/
831		892
832	static int	893	static int
833	coro_state_destroy (struct coro *coro)	894	coro_state_destroy (pTHX_ struct coro *coro)
834	{	895	{
835	if (coro->flags & CF_DESTROYED)	896	if (coro->flags & CF_DESTROYED)
836	return 0;	897	return 0;
837		898
838	coro->flags \|= CF_DESTROYED;	899	coro->flags \|= CF_DESTROYED;
…		…
858	temp.save = CORO_SAVE_ALL;	919	temp.save = CORO_SAVE_ALL;
859		920
860	if (coro->flags & CF_RUNNING)	921	if (coro->flags & CF_RUNNING)
861	croak ("FATAL: tried to destroy currently running coroutine");	922	croak ("FATAL: tried to destroy currently running coroutine");
862		923
863	save_perl (&temp);	924	save_perl (aTHX_ &temp);
864	load_perl (coro);	925	load_perl (aTHX_ coro);
865		926
866	coro_destroy_stacks ();	927	coro_destroy_stacks (aTHX);
867		928
868	load_perl (&temp); /* this will get rid of defsv etc.. */	929	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
869		930
870	coro->mainstack = 0;	931	coro->mainstack = 0;
871	}	932	}
872		933
873	cctx_destroy (coro->cctx);	934	cctx_destroy (coro->cctx);
874	SvREFCNT_dec (coro->args);	935	SvREFCNT_dec (coro->args);
875		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
876	return 1;	941	return 1;
877	}	942	}
878		943
879	static int	944	static int
880	coro_state_free (pTHX_ SV sv, MAGIC mg)	945	coro_state_free (pTHX_ SV sv, MAGIC mg)
881	{	946	{
882	struct coro coro = (struct coro )mg->mg_ptr;	947	struct coro coro = (struct coro )mg->mg_ptr;
883	mg->mg_ptr = 0;	948	mg->mg_ptr = 0;
884		949
		950	coro->hv = 0;
		951
885	if (--coro->refcnt < 0)	952	if (--coro->refcnt < 0)
886	{	953	{
887	coro_state_destroy (coro);	954	coro_state_destroy (aTHX_ coro);
888	Safefree (coro);	955	Safefree (coro);
889	}	956	}
890		957
891	return 0;	958	return 0;
892	}	959	}
…		…
911	# define MGf_DUP 0	978	# define MGf_DUP 0
912	#endif	979	#endif
913	};	980	};
914		981
915	static struct coro *	982	static struct coro *
916	SvSTATE (SV *coro)	983	SvSTATE_ (pTHX_ SV *coro)
917	{	984	{
918	HV *stash;	985	HV *stash;
919	MAGIC *mg;	986	MAGIC *mg;
920		987
921	if (SvROK (coro))	988	if (SvROK (coro))
…		…
927	/* very slow, but rare, check */	994	/* very slow, but rare, check */
928	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	995	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
929	croak ("Coro::State object required");	996	croak ("Coro::State object required");
930	}	997	}
931		998
932	mg = SvMAGIC (coro);	999	mg = CORO_MAGIC (coro);
933	assert (mg->mg_type == PERL_MAGIC_ext);
934	return (struct coro *)mg->mg_ptr;	1000	return (struct coro *)mg->mg_ptr;
935	}	1001	}
936		1002
		1003	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		1004
937	static void	1005	static void
938	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)
939	{	1007	{
940	ta->prev = SvSTATE (prev_sv);	1008	ta->prev = SvSTATE (prev_sv);
941	ta->next = SvSTATE (next_sv);	1009	ta->next = SvSTATE (next_sv);
942	}	1010	}
943		1011
944	static void	1012	static void
945	api_transfer (SV prev_sv, SV next_sv)	1013	api_transfer (SV prev_sv, SV next_sv)
946	{	1014	{
		1015	dTHX;
947	struct transfer_args ta;	1016	struct transfer_args ta;
948		1017
949	prepare_transfer (&ta, prev_sv, next_sv);	1018	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
950	TRANSFER (ta);	1019	TRANSFER (ta);
951	}	1020	}
952		1021
953	static int	1022	static int
954	api_save (SV *coro_sv, int new_save)	1023	api_save (SV *coro_sv, int new_save)
955	{	1024	{
		1025	dTHX;
956	struct coro *coro = SvSTATE (coro_sv);	1026	struct coro *coro = SvSTATE (coro_sv);
957	int old_save = coro->save;	1027	int old_save = coro->save;
958		1028
959	if (new_save >= 0)	1029	if (new_save >= 0)
960	coro->save = new_save;	1030	coro->save = new_save;
…		…
963	}	1033	}
964		1034
965	/ Coro ******************************************************************/	1035	/ Coro ******************************************************************/
966		1036
967	static void	1037	static void
968	coro_enq (SV *coro_sv)	1038	coro_enq (pTHX_ SV *coro_sv)
969	{	1039	{
970	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);
971	}	1041	}
972		1042
973	static SV *	1043	static SV *
974	coro_deq (int min_prio)	1044	coro_deq (pTHX_ int min_prio)
975	{	1045	{
976	int prio = PRIO_MAX - PRIO_MIN;	1046	int prio = PRIO_MAX - PRIO_MIN;
977		1047
978	min_prio -= PRIO_MIN;	1048	min_prio -= PRIO_MIN;
979	if (min_prio < 0)	1049	if (min_prio < 0)
…		…
987	}	1057	}
988		1058
989	static int	1059	static int
990	api_ready (SV *coro_sv)	1060	api_ready (SV *coro_sv)
991	{	1061	{
		1062	dTHX;
992	struct coro *coro;	1063	struct coro *coro;
993		1064
994	if (SvROK (coro_sv))	1065	if (SvROK (coro_sv))
995	coro_sv = SvRV (coro_sv);	1066	coro_sv = SvRV (coro_sv);
996		1067
…		…
1000	return 0;	1071	return 0;
1001		1072
1002	coro->flags \|= CF_READY;	1073	coro->flags \|= CF_READY;
1003		1074
1004	LOCK;	1075	LOCK;
1005	coro_enq (SvREFCNT_inc (coro_sv));	1076	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1006	++coro_nready;	1077	++coro_nready;
1007	UNLOCK;	1078	UNLOCK;
1008		1079
1009	return 1;	1080	return 1;
1010	}	1081	}
1011		1082
1012	static int	1083	static int
1013	api_is_ready (SV *coro_sv)	1084	api_is_ready (SV *coro_sv)
1014	{	1085	{
		1086	dTHX;
1015	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1087	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1016	}	1088	}
1017		1089
1018	static void	1090	static void
1019	prepare_schedule (struct transfer_args *ta)	1091	prepare_schedule (pTHX_ struct transfer_args *ta)
1020	{	1092	{
1021	SV prev_sv, next_sv;	1093	SV prev_sv, next_sv;
1022		1094
1023	for (;;)	1095	for (;;)
1024	{	1096	{
1025	LOCK;	1097	LOCK;
1026	next_sv = coro_deq (PRIO_MIN);	1098	next_sv = coro_deq (aTHX_ PRIO_MIN);
1027		1099
1028	/* nothing to schedule: call the idle handler */	1100	/* nothing to schedule: call the idle handler */
1029	if (!next_sv)	1101	if (!next_sv)
1030	{	1102	{
1031	dSP;	1103	dSP;
…		…
1066		1138
1067	assert (ta->next->flags & CF_READY);	1139	assert (ta->next->flags & CF_READY);
1068	ta->next->flags &= ~CF_READY;	1140	ta->next->flags &= ~CF_READY;
1069		1141
1070	LOCK;	1142	LOCK;
1071	free_coro_mortal ();	1143	free_coro_mortal (aTHX);
1072	coro_mortal = prev_sv;	1144	coro_mortal = prev_sv;
1073	UNLOCK;	1145	UNLOCK;
1074	}	1146	}
1075		1147
1076	static void	1148	static void
1077	prepare_cede (struct transfer_args *ta)	1149	prepare_cede (pTHX_ struct transfer_args *ta)
1078	{	1150	{
1079	api_ready (coro_current);	1151	api_ready (coro_current);
1080	prepare_schedule (ta);	1152	prepare_schedule (aTHX_ ta);
1081	}	1153	}
1082		1154
1083	static int	1155	static int
1084	prepare_cede_notself (struct transfer_args *ta)	1156	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1085	{	1157	{
1086	if (coro_nready)	1158	if (coro_nready)
1087	{	1159	{
1088	SV *prev = SvRV (coro_current);	1160	SV *prev = SvRV (coro_current);
1089	prepare_schedule (ta);	1161	prepare_schedule (aTHX_ ta);
1090	api_ready (prev);	1162	api_ready (prev);
1091	return 1;	1163	return 1;
1092	}	1164	}
1093	else	1165	else
1094	return 0;	1166	return 0;
1095	}	1167	}
1096		1168
1097	static void	1169	static void
1098	api_schedule (void)	1170	api_schedule (void)
1099	{	1171	{
		1172	dTHX;
1100	struct transfer_args ta;	1173	struct transfer_args ta;
1101		1174
1102	prepare_schedule (&ta);	1175	prepare_schedule (aTHX_ &ta);
1103	TRANSFER (ta);	1176	TRANSFER (ta);
1104	}	1177	}
1105		1178
1106	static int	1179	static int
1107	api_cede (void)	1180	api_cede (void)
1108	{	1181	{
		1182	dTHX;
1109	struct transfer_args ta;	1183	struct transfer_args ta;
1110		1184
1111	prepare_cede (&ta);	1185	prepare_cede (aTHX_ &ta);
1112		1186
1113	if (ta.prev != ta.next)	1187	if (ta.prev != ta.next)
1114	{	1188	{
1115	TRANSFER (ta);	1189	TRANSFER (ta);
1116	return 1;	1190	return 1;
…		…
1120	}	1194	}
1121		1195
1122	static int	1196	static int
1123	api_cede_notself (void)	1197	api_cede_notself (void)
1124	{	1198	{
		1199	dTHX;
1125	struct transfer_args ta;	1200	struct transfer_args ta;
1126		1201
1127	if (prepare_cede_notself (&ta))	1202	if (prepare_cede_notself (aTHX_ &ta))
1128	{	1203	{
1129	TRANSFER (ta);	1204	TRANSFER (ta);
1130	return 1;	1205	return 1;
1131	}	1206	}
1132	else	1207	else
…		…
1148		1223
1149	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1224	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1150	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1225	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1151	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1226	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1152	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));
1153	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1230	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1154		1231
1155	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;
1156		1237
1157	coroapi.ver = CORO_API_VERSION;	1238	coroapi.ver = CORO_API_VERSION;
1158	coroapi.transfer = api_transfer;	1239	coroapi.transfer = api_transfer;
1159		1240
1160	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1241	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1168	HV *hv;	1249	HV *hv;
1169	int i;	1250	int i;
1170		1251
1171	Newz (0, coro, 1, struct coro);	1252	Newz (0, coro, 1, struct coro);
1172	coro->args = newAV ();	1253	coro->args = newAV ();
1173	coro->save = CORO_SAVE_ALL;	1254	coro->save = CORO_SAVE_DEF;
1174	coro->flags = CF_NEW;	1255	coro->flags = CF_NEW;
1175		1256
		1257	if (coro_first) coro_first->prev = coro;
		1258	coro->next = coro_first;
		1259	coro_first = coro;
		1260
1176	hv = newHV ();	1261	coro->hv = hv = newHV ();
1177	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;
1178	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1263	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1179		1264
1180	for (i = 1; i < items; i++)	1265	for (i = 1; i < items; i++)
1181	av_push (coro->args, newSVsv (ST (i)));	1266	av_push (coro->args, newSVsv (ST (i)));
…		…
1185		1270
1186	int	1271	int
1187	save (SV *coro, int new_save = -1)	1272	save (SV *coro, int new_save = -1)
1188	CODE:	1273	CODE:
1189	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	}
1190	OUTPUT:	1286	OUTPUT:
1191	RETVAL	1287	RETVAL
1192		1288
1193	void	1289	void
1194	_set_stacklevel (...)	1290	_set_stacklevel (...)
…		…
1210		1306
1211	case 1:	1307	case 1:
1212	if (items != 2)	1308	if (items != 2)
1213	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);
1214		1310
1215	prepare_transfer (&ta, ST (0), ST (1));	1311	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1216	break;	1312	break;
1217		1313
1218	case 2:	1314	case 2:
1219	prepare_schedule (&ta);	1315	prepare_schedule (aTHX_ &ta);
1220	break;	1316	break;
1221		1317
1222	case 3:	1318	case 3:
1223	prepare_cede (&ta);	1319	prepare_cede (aTHX_ &ta);
1224	break;	1320	break;
1225		1321
1226	case 4:	1322	case 4:
1227	if (!prepare_cede_notself (&ta))	1323	if (!prepare_cede_notself (aTHX_ &ta))
1228	XSRETURN_EMPTY;	1324	XSRETURN_EMPTY;
1229		1325
1230	break;	1326	break;
1231	}	1327	}
1232		1328
…		…
1238	}	1334	}
1239		1335
1240	bool	1336	bool
1241	_destroy (SV *coro_sv)	1337	_destroy (SV *coro_sv)
1242	CODE:	1338	CODE:
1243	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1339	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1244	OUTPUT:	1340	OUTPUT:
1245	RETVAL	1341	RETVAL
1246		1342
1247	void	1343	void
1248	_exit (code)	1344	_exit (code)
…		…
1250	PROTOTYPE: $	1346	PROTOTYPE: $
1251	CODE:	1347	CODE:
1252	_exit (code);	1348	_exit (code);
1253		1349
1254	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
1255	cctx_count ()	1360	cctx_count ()
1256	CODE:	1361	CODE:
1257	RETVAL = cctx_count;	1362	RETVAL = cctx_count;
1258	OUTPUT:	1363	OUTPUT:
1259	RETVAL	1364	RETVAL
…		…
1263	CODE:	1368	CODE:
1264	RETVAL = cctx_idle;	1369	RETVAL = cctx_idle;
1265	OUTPUT:	1370	OUTPUT:
1266	RETVAL	1371	RETVAL
1267		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	IV
		1434	rss (Coro::State coro)
		1435	PROTOTYPE: $
		1436	CODE:
		1437	RETVAL = coro_rss (coro);
		1438	OUTPUT:
		1439	RETVAL
		1440
		1441
1268	MODULE = Coro::State PACKAGE = Coro	1442	MODULE = Coro::State PACKAGE = Coro
1269		1443
1270	BOOT:	1444	BOOT:
1271	{	1445	{
1272	int i;	1446	int i;
		1447
		1448	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
		1449	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
		1450	av_async_pool = get_av ("Coro::async_pool", TRUE);
		1451
		1452	coro_current = get_sv ("Coro::current", FALSE);
		1453	SvREADONLY_on (coro_current);
1273		1454
1274	coro_stash = gv_stashpv ("Coro", TRUE);	1455	coro_stash = gv_stashpv ("Coro", TRUE);
1275		1456
1276	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1457	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1277	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1458	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1278	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1459	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1279	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1460	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1280	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1461	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1281	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1462	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1282
1283	coro_current = get_sv ("Coro::current", FALSE);
1284	SvREADONLY_on (coro_current);
1285		1463
1286	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1464	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1287	coro_ready[i] = newAV ();	1465	coro_ready[i] = newAV ();
1288		1466
1289	{	1467	{
…		…
1339	CODE:	1517	CODE:
1340	RETVAL = boolSV (api_ready (self));	1518	RETVAL = boolSV (api_ready (self));
1341	OUTPUT:	1519	OUTPUT:
1342	RETVAL	1520	RETVAL
1343		1521
1344	SV *
1345	is_ready (SV *self)
1346	PROTOTYPE: $
1347	CODE:
1348	RETVAL = boolSV (api_is_ready (self));
1349	OUTPUT:
1350	RETVAL
1351
1352	int	1522	int
1353	nready (...)	1523	nready (...)
1354	PROTOTYPE:	1524	PROTOTYPE:
1355	CODE:	1525	CODE:
1356	RETVAL = coro_nready;	1526	RETVAL = coro_nready;
1357	OUTPUT:	1527	OUTPUT:
1358	RETVAL	1528	RETVAL
1359		1529
		1530	# for async_pool speedup
		1531	SV *
		1532	_pool_1 (...)
		1533	CODE:
		1534	{
		1535	int i, len;
		1536	HV hv = (HV )SvRV (coro_current);
		1537	AV *defav = GvAV (PL_defgv);
		1538	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
		1539	AV *invoke_av;
		1540
		1541	if (!invoke)
		1542	XSRETURN_EMPTY;
		1543
		1544	hv_store (hv, "desc", sizeof ("desc") - 1,
		1545	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1546
		1547	invoke_av = (AV *)SvRV (invoke);
		1548	len = av_len (invoke_av);
		1549
		1550	RETVAL = SvREFCNT_inc (AvARRAY (invoke_av)[0]);
		1551
		1552	if (len > 0)
		1553	{
		1554	av_clear (defav);
		1555	av_extend (defav, len);
		1556	for (i = 0; i < len; ++i)
		1557	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
		1558	}
		1559
		1560	SvREFCNT_dec (invoke);
		1561	}
		1562	OUTPUT:
		1563	RETVAL
		1564
		1565	void
		1566	_pool_2 (...)
		1567	CODE:
		1568	{
		1569	struct coro *coro = SvSTATE (coro_current);
		1570
		1571	if (coro_rss (coro) > SvIV (sv_pool_rss)
		1572	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1573	XSRETURN_YES;
		1574
		1575	av_clear (GvAV (PL_defgv));
		1576	hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1,
		1577	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
		1578	coro->save = CORO_SAVE_DEF;
		1579	coro->prio = 0;
		1580	av_push (av_async_pool, newSVsv (coro_current));
		1581
		1582	XSRETURN_NO;
		1583	}
		1584
		1585
1360	MODULE = Coro::State PACKAGE = Coro::AIO	1586	MODULE = Coro::State PACKAGE = Coro::AIO
1361		1587
1362	SV *	1588	SV *
1363	_get_state ()	1589	_get_state ()
1364	CODE:	1590	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC vs. Revision 1.160 by root, Sat Sep 22 22:39:15 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC vs.
Revision 1.160 by root, Sat Sep 22 22:39:15 2007 UTC