[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 1.158 by root, Fri Sep 21 02:23:48 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 */
133		136
134	static struct coro_cctx *cctx_first;	137	static struct coro_cctx *cctx_first;
135	static int cctx_count, cctx_idle;	138	static int cctx_count, cctx_idle;
…		…
138	typedef struct coro_cctx {	141	typedef struct coro_cctx {
139	struct coro_cctx *next;	142	struct coro_cctx *next;
140		143
141	/* the stack */	144	/* the stack */
142	void *sptr;	145	void *sptr;
143	ssize_t ssize; /* positive == mmap, otherwise malloc */	146	size_t ssize;
144		147
145	/* cpu state */	148	/* cpu state */
146	void idle_sp; / sp of top-level transfer/schedule/cede call */	149	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 */	150	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
148	JMPENV *top_env;	151	JMPENV *top_env;
149	coro_context cctx;	152	coro_context cctx;
150		153
151	int inuse;
152
153	#if USE_VALGRIND	154	#if CORO_USE_VALGRIND
154	int valgrind_id;	155	int valgrind_id;
155	#endif	156	#endif
		157	char inuse, mapped;
156	} coro_cctx;	158	} coro_cctx;
157		159
158	enum {	160	enum {
159	CF_RUNNING = 0x0001, /* coroutine is running */	161	CF_RUNNING = 0x0001, /* coroutine is running */
160	CF_READY = 0x0002, /* coroutine is ready */	162	CF_READY = 0x0002, /* coroutine is ready */
…		…
175		177
176	/* optionally saved, might be zero */	178	/* optionally saved, might be zero */
177	AV defav; / @_ */	179	AV defav; / @_ */
178	SV defsv; / $_ */	180	SV defsv; / $_ */
179	SV errsv; / $@ */	181	SV errsv; / $@ */
		182	GV deffh; / default filehandle */
180	SV irssv; / $/ */	183	SV irssv; / $/ */
181	SV irssv_sv; / real $/ cache */	184	SV irssv_sv; / real $/ cache */
182		185
183	#define VAR(name,type) type name;	186	#define VAR(name,type) type name;
184	# include "state.h"	187	# include "state.h"
185	#undef VAR	188	#undef VAR
186		189
187	/* coro process data */	190	/* coro process data */
188	int prio;	191	int prio;
		192
		193	/* linked list */
		194	struct coro next, prev;
		195	HV hv; / the perl hash associated with this coro, if any */
189	};	196	};
190		197
191	typedef struct coro *Coro__State;	198	typedef struct coro *Coro__State;
192	typedef struct coro *Coro__State_or_hashref;	199	typedef struct coro *Coro__State_or_hashref;
193		200
…		…
202		209
203	/* for Coro.pm */	210	/* for Coro.pm */
204	static SV *coro_current;	211	static SV *coro_current;
205	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	212	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206	static int coro_nready;	213	static int coro_nready;
		214	static struct coro *coro_first;
207		215
208	/ lowlevel stuff ********************************************************/	216	/ lowlevel stuff ********************************************************/
209		217
210	static AV *	218	static AV *
211	coro_clone_padlist (CV *cv)	219	coro_clone_padlist (pTHX_ CV *cv)
212	{	220	{
213	AV *padlist = CvPADLIST (cv);	221	AV *padlist = CvPADLIST (cv);
214	AV newpadlist, newpad;	222	AV newpadlist, newpad;
215		223
216	newpadlist = newAV ();	224	newpadlist = newAV ();
…		…
228		236
229	return newpadlist;	237	return newpadlist;
230	}	238	}
231		239
232	static void	240	static void
233	free_padlist (AV *padlist)	241	free_padlist (pTHX_ AV *padlist)
234	{	242	{
235	/* may be during global destruction */	243	/* may be during global destruction */
236	if (SvREFCNT (padlist))	244	if (SvREFCNT (padlist))
237	{	245	{
238	I32 i = AvFILLp (padlist);	246	I32 i = AvFILLp (padlist);
…		…
259	AV *padlist;	267	AV *padlist;
260	AV av = (AV )mg->mg_obj;	268	AV av = (AV )mg->mg_obj;
261		269
262	/* casting is fun. */	270	/* casting is fun. */
263	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	271	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
264	free_padlist (padlist);	272	free_padlist (aTHX_ padlist);
265		273
266	SvREFCNT_dec (av);	274	SvREFCNT_dec (av);
267		275
268	return 0;	276	return 0;
269	}	277	}
…		…
279	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	287	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
280	: 0	288	: 0
281		289
282	/* the next two functions merely cache the padlists */	290	/* the next two functions merely cache the padlists */
283	static void	291	static void
284	get_padlist (CV *cv)	292	get_padlist (pTHX_ CV *cv)
285	{	293	{
286	MAGIC *mg = CORO_MAGIC (cv);	294	MAGIC *mg = CORO_MAGIC (cv);
287	AV *av;	295	AV *av;
288		296
289	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	297	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
290	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	298	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
291	else	299	else
292	{	300	{
293	#if PREFER_PERL_FUNCTIONS	301	#if CORO_PREFER_PERL_FUNCTIONS
294	/* this is probably cleaner, but also slower? */	302	/* this is probably cleaner, but also slower? */
295	CV *cp = Perl_cv_clone (cv);	303	CV *cp = Perl_cv_clone (cv);
296	CvPADLIST (cv) = CvPADLIST (cp);	304	CvPADLIST (cv) = CvPADLIST (cp);
297	CvPADLIST (cp) = 0;	305	CvPADLIST (cp) = 0;
298	SvREFCNT_dec (cp);	306	SvREFCNT_dec (cp);
299	#else	307	#else
300	CvPADLIST (cv) = coro_clone_padlist (cv);	308	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301	#endif	309	#endif
302	}	310	}
303	}	311	}
304		312
305	static void	313	static void
306	put_padlist (CV *cv)	314	put_padlist (pTHX_ CV *cv)
307	{	315	{
308	MAGIC *mg = CORO_MAGIC (cv);	316	MAGIC *mg = CORO_MAGIC (cv);
309	AV *av;	317	AV *av;
310		318
311	if (!mg)	319	if (!mg)
…		…
330	#define SE } while (0)	338	#define SE } while (0)
331		339
332	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	340	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333		341
334	static void	342	static void
335	load_perl (Coro__State c)	343	load_perl (pTHX_ Coro__State c)
336	{	344	{
337	#define VAR(name,type) PL_ ## name = c->name;	345	#define VAR(name,type) PL_ ## name = c->name;
338	# include "state.h"	346	# include "state.h"
339	#undef VAR	347	#undef VAR
340		348
341	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	349	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	350	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	351	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
		352	if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
		353
344	if (c->irssv)	354	if (c->irssv)
345	{	355	{
346	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))	356	if (c->irssv == PL_rs \|\| sv_eq (PL_rs, c->irssv))
		357	{
347	SvREFCNT_dec (c->irssv);	358	SvREFCNT_dec (c->irssv);
		359	c->irssv = 0;
		360	}
348	else	361	else
349	{	362	{
350	REPLACE_SV (PL_rs, c->irssv);	363	REPLACE_SV (PL_rs, c->irssv);
351	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);	364	if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352	sv_setsv (c->irssv_sv, PL_rs);	365	sv_setsv (c->irssv_sv, PL_rs);
…		…
358	CV *cv;	371	CV *cv;
359		372
360	/* now do the ugly restore mess */	373	/* now do the ugly restore mess */
361	while ((cv = (CV *)POPs))	374	while ((cv = (CV *)POPs))
362	{	375	{
363	put_padlist (cv); /* mark this padlist as available */	376	put_padlist (aTHX_ cv); /* mark this padlist as available */
364	CvDEPTH (cv) = PTR2IV (POPs);	377	CvDEPTH (cv) = PTR2IV (POPs);
365	CvPADLIST (cv) = (AV *)POPs;	378	CvPADLIST (cv) = (AV *)POPs;
366	}	379	}
367		380
368	PUTBACK;	381	PUTBACK;
369	}	382	}
370	}	383	}
371		384
372	static void	385	static void
373	save_perl (Coro__State c)	386	save_perl (pTHX_ Coro__State c)
374	{	387	{
375	{	388	{
376	dSP;	389	dSP;
377	I32 cxix = cxstack_ix;	390	I32 cxix = cxstack_ix;
378	PERL_CONTEXT *ccstk = cxstack;	391	PERL_CONTEXT *ccstk = cxstack;
…		…
381	/*	394	/*
382	* the worst thing you can imagine happens first - we have to save	395	* the worst thing you can imagine happens first - we have to save
383	* (and reinitialize) all cv's in the whole callchain :(	396	* (and reinitialize) all cv's in the whole callchain :(
384	*/	397	*/
385		398
386	EXTEND (SP, 3 + 1);
387	PUSHs (Nullsv);	399	XPUSHs (Nullsv);
388	/* this loop was inspired by pp_caller */	400	/* this loop was inspired by pp_caller */
389	for (;;)	401	for (;;)
390	{	402	{
391	while (cxix >= 0)	403	while (cxix >= 0)
392	{	404	{
393	PERL_CONTEXT *cx = &ccstk[cxix--];	405	PERL_CONTEXT *cx = &ccstk[cxix--];
394		406
395	if (CxTYPE (cx) == CXt_SUB)	407	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)
396	{	408	{
397	CV *cv = cx->blk_sub.cv;	409	CV *cv = cx->blk_sub.cv;
398		410
399	if (CvDEPTH (cv))	411	if (CvDEPTH (cv))
400	{	412	{
…		…
402	PUSHs ((SV *)CvPADLIST (cv));	414	PUSHs ((SV *)CvPADLIST (cv));
403	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	415	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
404	PUSHs ((SV *)cv);	416	PUSHs ((SV *)cv);
405		417
406	CvDEPTH (cv) = 0;	418	CvDEPTH (cv) = 0;
407	get_padlist (cv);	419	get_padlist (aTHX_ cv);
408	}	420	}
409	}	421	}
410	}	422	}
411		423
412	if (top_si->si_type == PERLSI_MAIN)	424	if (top_si->si_type == PERLSI_MAIN)
413	break;	425	break;
414		426
415	top_si = top_si->si_prev;	427	top_si = top_si->si_prev;
416	ccstk = top_si->si_cxstack;	428	ccstk = top_si->si_cxstack;
417	cxix = top_si->si_cxix;	429	cxix = top_si->si_cxix;
418	}	430	}
419		431
420	PUTBACK;	432	PUTBACK;
421	}	433	}
422		434
423	c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	435	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;	436	c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
425	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	437	c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
		438	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;	439	c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
427		440
428	#define VAR(name,type)c->name = PL_ ## name;	441	#define VAR(name,type)c->name = PL_ ## name;
429	# include "state.h"	442	# include "state.h"
430	#undef VAR	443	#undef VAR
…		…
434	* allocate various perl stacks. This is an exact copy	447	* allocate various perl stacks. This is an exact copy
435	* of perl.c:init_stacks, except that it uses less memory	448	* of perl.c:init_stacks, except that it uses less memory
436	* on the (sometimes correct) assumption that coroutines do	449	* on the (sometimes correct) assumption that coroutines do
437	* not usually need a lot of stackspace.	450	* not usually need a lot of stackspace.
438	*/	451	*/
439	#if PREFER_PERL_FUNCTIONS	452	#if CORO_PREFER_PERL_FUNCTIONS
440	# define coro_init_stacks init_stacks	453	# define coro_init_stacks init_stacks
441	#else	454	#else
442	static void	455	static void
443	coro_init_stacks ()	456	coro_init_stacks (pTHX)
444	{	457	{
445	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));	458	PL_curstackinfo = new_stackinfo(64, 6);
446	PL_curstackinfo->si_type = PERLSI_MAIN;	459	PL_curstackinfo->si_type = PERLSI_MAIN;
447	PL_curstack = PL_curstackinfo->si_stack;	460	PL_curstack = PL_curstackinfo->si_stack;
448	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	461	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
449		462
450	PL_stack_base = AvARRAY(PL_curstack);	463	PL_stack_base = AvARRAY(PL_curstack);
451	PL_stack_sp = PL_stack_base;	464	PL_stack_sp = PL_stack_base;
452	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	465	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
453		466
454	New(50,PL_tmps_stack,128,SV*);	467	New(50,PL_tmps_stack,64,SV*);
455	PL_tmps_floor = -1;	468	PL_tmps_floor = -1;
456	PL_tmps_ix = -1;	469	PL_tmps_ix = -1;
457	PL_tmps_max = 128;	470	PL_tmps_max = 64;
458		471
459	New(54,PL_markstack,32,I32);	472	New(54,PL_markstack,16,I32);
460	PL_markstack_ptr = PL_markstack;	473	PL_markstack_ptr = PL_markstack;
461	PL_markstack_max = PL_markstack + 32;	474	PL_markstack_max = PL_markstack + 16;
462		475
463	#ifdef SET_MARK_OFFSET	476	#ifdef SET_MARK_OFFSET
464	SET_MARK_OFFSET;	477	SET_MARK_OFFSET;
465	#endif	478	#endif
466		479
467	New(54,PL_scopestack,32,I32);	480	New(54,PL_scopestack,16,I32);
468	PL_scopestack_ix = 0;	481	PL_scopestack_ix = 0;
469	PL_scopestack_max = 32;	482	PL_scopestack_max = 16;
470		483
471	New(54,PL_savestack,64,ANY);	484	New(54,PL_savestack,64,ANY);
472	PL_savestack_ix = 0;	485	PL_savestack_ix = 0;
473	PL_savestack_max = 64;	486	PL_savestack_max = 64;
474		487
475	#if !PERL_VERSION_ATLEAST (5,9,0)	488	#if !PERL_VERSION_ATLEAST (5,9,0)
476	New(54,PL_retstack,16,OP*);	489	New(54,PL_retstack,4,OP*);
477	PL_retstack_ix = 0;	490	PL_retstack_ix = 0;
478	PL_retstack_max = 16;	491	PL_retstack_max = 4;
479	#endif	492	#endif
480	}	493	}
481	#endif	494	#endif
482		495
483	/*	496	/*
484	* destroy the stacks, the callchain etc...	497	* destroy the stacks, the callchain etc...
485	*/	498	*/
486	static void	499	static void
487	coro_destroy_stacks ()	500	coro_destroy_stacks (pTHX)
488	{	501	{
489	if (!IN_DESTRUCT)	502	if (!IN_DESTRUCT)
490	{	503	{
491	/* restore all saved variables and stuff */	504	/* restore all saved variables and stuff */
492	LEAVE_SCOPE (0);	505	LEAVE_SCOPE (0);
…		…
525	#if !PERL_VERSION_ATLEAST (5,9,0)	538	#if !PERL_VERSION_ATLEAST (5,9,0)
526	Safefree (PL_retstack);	539	Safefree (PL_retstack);
527	#endif	540	#endif
528	}	541	}
529		542
		543	static size_t
		544	coro_rss (struct coro *coro)
		545	{
		546	size_t rss = sizeof (coro);
		547
		548	if (coro->mainstack)
		549	{
		550	if (coro->flags & CF_RUNNING)
		551	{
		552	#define VAR(name,type)coro->name = PL_ ## name;
		553	# include "state.h"
		554	#undef VAR
		555	}
		556
		557	rss += sizeof (coro->curstackinfo);
		558	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
		559	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
		560	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
		561	rss += coro->tmps_max * sizeof (SV *);
		562	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
		563	rss += coro->scopestack_max * sizeof (I32);
		564	rss += coro->savestack_max * sizeof (ANY);
		565
		566	#if !PERL_VERSION_ATLEAST (5,9,0)
		567	rss += coro->retstack_max * sizeof (OP *);
		568	#endif
		569	}
		570
		571	return rss;
		572	}
		573
530	/ coroutine stack handling **********************************************/	574	/ coroutine stack handling **********************************************/
531		575
532	static void	576	static void
533	setup_coro (struct coro *coro)	577	setup_coro (pTHX_ struct coro *coro)
534	{	578	{
535	/*	579	/*
536	* emulate part of the perl startup here.	580	* emulate part of the perl startup here.
537	*/	581	*/
538
539	coro_init_stacks ();	582	coro_init_stacks (aTHX);
540		583
541	PL_curcop = &PL_compiling;	584	PL_curcop = &PL_compiling;
542	PL_in_eval = EVAL_NULL;	585	PL_in_eval = EVAL_NULL;
		586	PL_comppad = 0;
543	PL_curpm = 0;	587	PL_curpm = 0;
544	PL_localizing = 0;	588	PL_localizing = 0;
545	PL_dirty = 0;	589	PL_dirty = 0;
546	PL_restartop = 0;	590	PL_restartop = 0;
547		591
…		…
555	Zero (&myop, 1, LOGOP);	599	Zero (&myop, 1, LOGOP);
556	myop.op_next = Nullop;	600	myop.op_next = Nullop;
557	myop.op_flags = OPf_WANT_VOID;	601	myop.op_flags = OPf_WANT_VOID;
558		602
559	PUSHMARK (SP);	603	PUSHMARK (SP);
560	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));	604	XPUSHs (av_shift (GvAV (PL_defgv)));
561	PUTBACK;	605	PUTBACK;
562	PL_op = (OP *)&myop;	606	PL_op = (OP *)&myop;
563	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	607	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
564	SPAGAIN;	608	SPAGAIN;
565	}	609	}
566		610
567	ENTER; /* necessary e.g. for dounwind */	611	ENTER; /* necessary e.g. for dounwind */
568	}	612	}
569		613
570	static void	614	static void
571	free_coro_mortal ()	615	free_coro_mortal (pTHX)
572	{	616	{
573	if (coro_mortal)	617	if (coro_mortal)
574	{	618	{
575	SvREFCNT_dec (coro_mortal);	619	SvREFCNT_dec (coro_mortal);
576	coro_mortal = 0;	620	coro_mortal = 0;
577	}	621	}
578	}	622	}
579		623
580	/* inject a fake call to Coro::State::_cctx_init into the execution */	624	/* inject a fake call to Coro::State::_cctx_init into the execution */
		625	/* _cctx_init should be careful, as it could be called at almost any time */
		626	/* during execution of a perl program */
581	static void NOINLINE	627	static void NOINLINE
582	prepare_cctx (coro_cctx *cctx)	628	prepare_cctx (pTHX_ coro_cctx *cctx)
583	{	629	{
584	dSP;	630	dSP;
585	LOGOP myop;	631	LOGOP myop;
586		632
587	Zero (&myop, 1, LOGOP);	633	Zero (&myop, 1, LOGOP);
…		…
596	PL_op = (OP *)&myop;	642	PL_op = (OP *)&myop;
597	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	643	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
598	SPAGAIN;	644	SPAGAIN;
599	}	645	}
600		646
		647	/*
		648	* this is a _very_ stripped down perl interpreter ;)
		649	*/
601	static void	650	static void
602	coro_run (void *arg)	651	coro_run (void *arg)
603	{	652	{
		653	dTHX;
		654
604	/* coro_run is the alternative tail of transfer(), so unlock here. */	655	/* coro_run is the alternative tail of transfer(), so unlock here. */
605	UNLOCK;	656	UNLOCK;
606		657
607	/*
608	* this is a _very_ stripped down perl interpreter ;)
609	*/
610	PL_top_env = &PL_start_env;	658	PL_top_env = &PL_start_env;
611		659
612	/* inject call to cctx_init */	660	/* inject a fake subroutine call to cctx_init */
613	prepare_cctx ((coro_cctx *)arg);	661	prepare_cctx (aTHX_ (coro_cctx *)arg);
614		662
615	/* somebody will hit me for both perl_run and PL_restartop */	663	/* somebody or something will hit me for both perl_run and PL_restartop */
616	PL_restartop = PL_op;	664	PL_restartop = PL_op;
617	perl_run (PL_curinterp);	665	perl_run (PL_curinterp);
618		666
619	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);	667	/*
620	abort ();	668	* If perl-run returns we assume exit() was being called or the coro
		669	* fell off the end, which seems to be the only valid (non-bug)
		670	* reason for perl_run to return. We try to exit by jumping to the
		671	* bootstrap-time "top" top_env, as we cannot restore the "main"
		672	* coroutine as Coro has no such concept
		673	*/
		674	PL_top_env = main_top_env;
		675	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
621	}	676	}
622		677
623	static coro_cctx *	678	static coro_cctx *
624	cctx_new ()	679	cctx_new ()
625	{	680	{
626	coro_cctx *cctx;	681	coro_cctx *cctx;
		682	void *stack_start;
		683	size_t stack_size;
627		684
628	++cctx_count;	685	++cctx_count;
629		686
630	Newz (0, cctx, 1, coro_cctx);	687	Newz (0, cctx, 1, coro_cctx);
631		688
632	#if HAVE_MMAP	689	#if HAVE_MMAP
633		690
634	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	691	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
635	/* mmap supposedly does allocate-on-write for us */	692	/* 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);	693	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
637		694
638	if (cctx->sptr != (void *)-1)	695	if (cctx->sptr != (void *)-1)
639	{	696	{
640	# if STACKGUARD	697	# if CORO_STACKGUARD
641	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	698	mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
642	# endif	699	# endif
643	REGISTER_STACK (
644	cctx,
645	STACKGUARD * PAGESIZE + (char *)cctx->sptr,	700	stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
646	cctx->ssize + (char *)cctx->sptr	701	stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
647	);	702	cctx->mapped = 1;
648
649	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
650	}	703	}
651	else	704	else
652	#endif	705	#endif
653	{	706	{
654	cctx->ssize = -STACKSIZE * (long)sizeof (long);	707	cctx->ssize = coro_stacksize * (long)sizeof (long);
655	New (0, cctx->sptr, STACKSIZE, long);	708	New (0, cctx->sptr, coro_stacksize, long);
656		709
657	if (!cctx->sptr)	710	if (!cctx->sptr)
658	{	711	{
659	perror ("FATAL: unable to allocate stack for coroutine");	712	perror ("FATAL: unable to allocate stack for coroutine");
660	_exit (EXIT_FAILURE);	713	_exit (EXIT_FAILURE);
661	}	714	}
662		715
663	REGISTER_STACK (	716	stack_start = cctx->sptr;
664	cctx,	717	stack_size = cctx->ssize;
665	(char *)cctx->sptr,	718	}
666	(char *)cctx->sptr - cctx->ssize
667	);
668		719
		720	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
669	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize);	721	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
670	}
671		722
672	return cctx;	723	return cctx;
673	}	724	}
674		725
675	static void	726	static void
…		…
678	if (!cctx)	729	if (!cctx)
679	return;	730	return;
680		731
681	--cctx_count;	732	--cctx_count;
682		733
683	#if USE_VALGRIND	734	#if CORO_USE_VALGRIND
684	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	735	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
685	#endif	736	#endif
686		737
687	#if HAVE_MMAP	738	#if HAVE_MMAP
688	if (cctx->ssize > 0)	739	if (cctx->mapped)
689	munmap (cctx->sptr, cctx->ssize);	740	munmap (cctx->sptr, cctx->ssize);
690	else	741	else
691	#endif	742	#endif
692	Safefree (cctx->sptr);	743	Safefree (cctx->sptr);
693		744
694	Safefree (cctx);	745	Safefree (cctx);
695	}	746	}
696		747
697	static coro_cctx *	748	static coro_cctx *
698	cctx_get ()	749	cctx_get (pTHX)
699	{	750	{
700	coro_cctx *cctx;
701
702	if (cctx_first)	751	while (cctx_first)
703	{	752	{
704	cctx = cctx_first;	753	coro_cctx *cctx = cctx_first;
705	cctx_first = cctx->next;	754	cctx_first = cctx->next;
706	--cctx_idle;	755	--cctx_idle;
		756
		757	if (cctx->ssize >= coro_stacksize)
		758	return cctx;
		759
		760	cctx_destroy (cctx);
707	}	761	}
708	else	762
709	{
710	cctx = cctx_new ();
711	PL_op = PL_op->op_next;	763	PL_op = PL_op->op_next;
712	}
713
714	return cctx;	764	return cctx_new ();
715	}	765	}
716		766
717	static void	767	static void
718	cctx_put (coro_cctx *cctx)	768	cctx_put (coro_cctx *cctx)
719	{	769	{
…		…
735		785
736	/ coroutine switching ***************************************************/	786	/ coroutine switching ***************************************************/
737		787
738	/* never call directly, always through the coro_state_transfer global variable */	788	/* never call directly, always through the coro_state_transfer global variable */
739	static void NOINLINE	789	static void NOINLINE
740	transfer (struct coro prev, struct coro next)	790	transfer (pTHX_ struct coro prev, struct coro next)
741	{	791	{
742	dSTACKLEVEL;	792	dSTACKLEVEL;
743		793
744	/* sometimes transfer is only called to set idle_sp */	794	/* sometimes transfer is only called to set idle_sp */
745	if (!next)	795	if (!next)
…		…
778	if (next->flags & CF_NEW)	828	if (next->flags & CF_NEW)
779	{	829	{
780	/* need to start coroutine */	830	/* need to start coroutine */
781	next->flags &= ~CF_NEW;	831	next->flags &= ~CF_NEW;
782	/* first get rid of the old state */	832	/* first get rid of the old state */
783	save_perl (prev);	833	save_perl (aTHX_ prev);
784	/* setup coroutine call */	834	/* setup coroutine call */
785	setup_coro (next);	835	setup_coro (aTHX_ next);
786	/* need a new stack */	836	/* need a new stack */
787	assert (!next->cctx);	837	assert (!next->cctx);
788	}	838	}
789	else	839	else
790	{	840	{
791	/* coroutine already started */	841	/* coroutine already started */
792	save_perl (prev);	842	save_perl (aTHX_ prev);
793	load_perl (next);	843	load_perl (aTHX_ next);
794	}	844	}
795		845
796	prev__cctx = prev->cctx;	846	prev__cctx = prev->cctx;
797		847
798	/* possibly "free" the cctx */	848	/* possibly "free" the cctx */
…		…
807	prev__cctx->inuse = 0;	857	prev__cctx->inuse = 0;
808	}	858	}
809		859
810	if (!next->cctx)	860	if (!next->cctx)
811	{	861	{
812	next->cctx = cctx_get ();	862	next->cctx = cctx_get (aTHX);
813	assert (!next->cctx->inuse);	863	assert (!next->cctx->inuse);
814	next->cctx->inuse = 1;	864	next->cctx->inuse = 1;
815	}	865	}
816		866
817	if (prev__cctx != next->cctx)	867	if (prev__cctx != next->cctx)
…		…
819	prev__cctx->top_env = PL_top_env;	869	prev__cctx->top_env = PL_top_env;
820	PL_top_env = next->cctx->top_env;	870	PL_top_env = next->cctx->top_env;
821	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	871	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
822	}	872	}
823		873
824	free_coro_mortal ();	874	free_coro_mortal (aTHX);
825	UNLOCK;	875	UNLOCK;
826	}	876	}
827	}	877	}
828		878
829	struct transfer_args	879	struct transfer_args
830	{	880	{
831	struct coro prev, next;	881	struct coro prev, next;
832	};	882	};
833		883
834	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	884	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
835		885
836	/ high level stuff ******************************************************/	886	/ high level stuff ******************************************************/
837		887
838	static int	888	static int
839	coro_state_destroy (struct coro *coro)	889	coro_state_destroy (pTHX_ struct coro *coro)
840	{	890	{
841	if (coro->flags & CF_DESTROYED)	891	if (coro->flags & CF_DESTROYED)
842	return 0;	892	return 0;
843		893
844	coro->flags \|= CF_DESTROYED;	894	coro->flags \|= CF_DESTROYED;
…		…
864	temp.save = CORO_SAVE_ALL;	914	temp.save = CORO_SAVE_ALL;
865		915
866	if (coro->flags & CF_RUNNING)	916	if (coro->flags & CF_RUNNING)
867	croak ("FATAL: tried to destroy currently running coroutine");	917	croak ("FATAL: tried to destroy currently running coroutine");
868		918
869	save_perl (&temp);	919	save_perl (aTHX_ &temp);
870	load_perl (coro);	920	load_perl (aTHX_ coro);
871		921
872	coro_destroy_stacks ();	922	coro_destroy_stacks (aTHX);
873		923
874	load_perl (&temp); /* this will get rid of defsv etc.. */	924	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
875		925
876	coro->mainstack = 0;	926	coro->mainstack = 0;
877	}	927	}
878		928
879	cctx_destroy (coro->cctx);	929	cctx_destroy (coro->cctx);
880	SvREFCNT_dec (coro->args);	930	SvREFCNT_dec (coro->args);
881		931
		932	if (coro->next) coro->next->prev = coro->prev;
		933	if (coro->prev) coro->prev->next = coro->next;
		934	if (coro == coro_first) coro_first = coro->next;
		935
882	return 1;	936	return 1;
883	}	937	}
884		938
885	static int	939	static int
886	coro_state_free (pTHX_ SV sv, MAGIC mg)	940	coro_state_free (pTHX_ SV sv, MAGIC mg)
887	{	941	{
888	struct coro coro = (struct coro )mg->mg_ptr;	942	struct coro coro = (struct coro )mg->mg_ptr;
889	mg->mg_ptr = 0;	943	mg->mg_ptr = 0;
890		944
		945	coro->hv = 0;
		946
891	if (--coro->refcnt < 0)	947	if (--coro->refcnt < 0)
892	{	948	{
893	coro_state_destroy (coro);	949	coro_state_destroy (aTHX_ coro);
894	Safefree (coro);	950	Safefree (coro);
895	}	951	}
896		952
897	return 0;	953	return 0;
898	}	954	}
…		…
917	# define MGf_DUP 0	973	# define MGf_DUP 0
918	#endif	974	#endif
919	};	975	};
920		976
921	static struct coro *	977	static struct coro *
922	SvSTATE (SV *coro)	978	SvSTATE_ (pTHX_ SV *coro)
923	{	979	{
924	HV *stash;	980	HV *stash;
925	MAGIC *mg;	981	MAGIC *mg;
926		982
927	if (SvROK (coro))	983	if (SvROK (coro))
…		…
933	/* very slow, but rare, check */	989	/* very slow, but rare, check */
934	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	990	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
935	croak ("Coro::State object required");	991	croak ("Coro::State object required");
936	}	992	}
937		993
938	mg = SvMAGIC (coro);	994	mg = CORO_MAGIC (coro);
939	assert (mg->mg_type == PERL_MAGIC_ext);
940	return (struct coro *)mg->mg_ptr;	995	return (struct coro *)mg->mg_ptr;
941	}	996	}
942		997
		998	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		999
943	static void	1000	static void
944	prepare_transfer (struct transfer_args ta, SV prev_sv, SV *next_sv)	1001	prepare_transfer (pTHX_ struct transfer_args ta, SV prev_sv, SV *next_sv)
945	{	1002	{
946	ta->prev = SvSTATE (prev_sv);	1003	ta->prev = SvSTATE (prev_sv);
947	ta->next = SvSTATE (next_sv);	1004	ta->next = SvSTATE (next_sv);
948	}	1005	}
949		1006
950	static void	1007	static void
951	api_transfer (SV prev_sv, SV next_sv)	1008	api_transfer (SV prev_sv, SV next_sv)
952	{	1009	{
		1010	dTHX;
953	struct transfer_args ta;	1011	struct transfer_args ta;
954		1012
955	prepare_transfer (&ta, prev_sv, next_sv);	1013	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
956	TRANSFER (ta);	1014	TRANSFER (ta);
957	}	1015	}
958		1016
959	static int	1017	static int
960	api_save (SV *coro_sv, int new_save)	1018	api_save (SV *coro_sv, int new_save)
961	{	1019	{
		1020	dTHX;
962	struct coro *coro = SvSTATE (coro_sv);	1021	struct coro *coro = SvSTATE (coro_sv);
963	int old_save = coro->save;	1022	int old_save = coro->save;
964		1023
965	if (new_save >= 0)	1024	if (new_save >= 0)
966	coro->save = new_save;	1025	coro->save = new_save;
…		…
969	}	1028	}
970		1029
971	/ Coro ******************************************************************/	1030	/ Coro ******************************************************************/
972		1031
973	static void	1032	static void
974	coro_enq (SV *coro_sv)	1033	coro_enq (pTHX_ SV *coro_sv)
975	{	1034	{
976	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1035	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
977	}	1036	}
978		1037
979	static SV *	1038	static SV *
980	coro_deq (int min_prio)	1039	coro_deq (pTHX_ int min_prio)
981	{	1040	{
982	int prio = PRIO_MAX - PRIO_MIN;	1041	int prio = PRIO_MAX - PRIO_MIN;
983		1042
984	min_prio -= PRIO_MIN;	1043	min_prio -= PRIO_MIN;
985	if (min_prio < 0)	1044	if (min_prio < 0)
…		…
993	}	1052	}
994		1053
995	static int	1054	static int
996	api_ready (SV *coro_sv)	1055	api_ready (SV *coro_sv)
997	{	1056	{
		1057	dTHX;
998	struct coro *coro;	1058	struct coro *coro;
999		1059
1000	if (SvROK (coro_sv))	1060	if (SvROK (coro_sv))
1001	coro_sv = SvRV (coro_sv);	1061	coro_sv = SvRV (coro_sv);
1002		1062
…		…
1006	return 0;	1066	return 0;
1007		1067
1008	coro->flags \|= CF_READY;	1068	coro->flags \|= CF_READY;
1009		1069
1010	LOCK;	1070	LOCK;
1011	coro_enq (SvREFCNT_inc (coro_sv));	1071	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1012	++coro_nready;	1072	++coro_nready;
1013	UNLOCK;	1073	UNLOCK;
1014		1074
1015	return 1;	1075	return 1;
1016	}	1076	}
1017		1077
1018	static int	1078	static int
1019	api_is_ready (SV *coro_sv)	1079	api_is_ready (SV *coro_sv)
1020	{	1080	{
		1081	dTHX;
1021	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1082	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1022	}	1083	}
1023		1084
1024	static void	1085	static void
1025	prepare_schedule (struct transfer_args *ta)	1086	prepare_schedule (pTHX_ struct transfer_args *ta)
1026	{	1087	{
1027	SV prev_sv, next_sv;	1088	SV prev_sv, next_sv;
1028		1089
1029	for (;;)	1090	for (;;)
1030	{	1091	{
1031	LOCK;	1092	LOCK;
1032	next_sv = coro_deq (PRIO_MIN);	1093	next_sv = coro_deq (aTHX_ PRIO_MIN);
1033		1094
1034	/* nothing to schedule: call the idle handler */	1095	/* nothing to schedule: call the idle handler */
1035	if (!next_sv)	1096	if (!next_sv)
1036	{	1097	{
1037	dSP;	1098	dSP;
…		…
1072		1133
1073	assert (ta->next->flags & CF_READY);	1134	assert (ta->next->flags & CF_READY);
1074	ta->next->flags &= ~CF_READY;	1135	ta->next->flags &= ~CF_READY;
1075		1136
1076	LOCK;	1137	LOCK;
1077	free_coro_mortal ();	1138	free_coro_mortal (aTHX);
1078	coro_mortal = prev_sv;	1139	coro_mortal = prev_sv;
1079	UNLOCK;	1140	UNLOCK;
1080	}	1141	}
1081		1142
1082	static void	1143	static void
1083	prepare_cede (struct transfer_args *ta)	1144	prepare_cede (pTHX_ struct transfer_args *ta)
1084	{	1145	{
1085	api_ready (coro_current);	1146	api_ready (coro_current);
1086	prepare_schedule (ta);	1147	prepare_schedule (aTHX_ ta);
1087	}	1148	}
1088		1149
1089	static int	1150	static int
1090	prepare_cede_notself (struct transfer_args *ta)	1151	prepare_cede_notself (pTHX_ struct transfer_args *ta)
1091	{	1152	{
1092	if (coro_nready)	1153	if (coro_nready)
1093	{	1154	{
1094	SV *prev = SvRV (coro_current);	1155	SV *prev = SvRV (coro_current);
1095	prepare_schedule (ta);	1156	prepare_schedule (aTHX_ ta);
1096	api_ready (prev);	1157	api_ready (prev);
1097	return 1;	1158	return 1;
1098	}	1159	}
1099	else	1160	else
1100	return 0;	1161	return 0;
1101	}	1162	}
1102		1163
1103	static void	1164	static void
1104	api_schedule (void)	1165	api_schedule (void)
1105	{	1166	{
		1167	dTHX;
1106	struct transfer_args ta;	1168	struct transfer_args ta;
1107		1169
1108	prepare_schedule (&ta);	1170	prepare_schedule (aTHX_ &ta);
1109	TRANSFER (ta);	1171	TRANSFER (ta);
1110	}	1172	}
1111		1173
1112	static int	1174	static int
1113	api_cede (void)	1175	api_cede (void)
1114	{	1176	{
		1177	dTHX;
1115	struct transfer_args ta;	1178	struct transfer_args ta;
1116		1179
1117	prepare_cede (&ta);	1180	prepare_cede (aTHX_ &ta);
1118		1181
1119	if (ta.prev != ta.next)	1182	if (ta.prev != ta.next)
1120	{	1183	{
1121	TRANSFER (ta);	1184	TRANSFER (ta);
1122	return 1;	1185	return 1;
…		…
1126	}	1189	}
1127		1190
1128	static int	1191	static int
1129	api_cede_notself (void)	1192	api_cede_notself (void)
1130	{	1193	{
		1194	dTHX;
1131	struct transfer_args ta;	1195	struct transfer_args ta;
1132		1196
1133	if (prepare_cede_notself (&ta))	1197	if (prepare_cede_notself (aTHX_ &ta))
1134	{	1198	{
1135	TRANSFER (ta);	1199	TRANSFER (ta);
1136	return 1;	1200	return 1;
1137	}	1201	}
1138	else	1202	else
…		…
1154		1218
1155	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));	1219	newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1156	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));	1220	newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1157	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));	1221	newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1158	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));	1222	newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
		1223	newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
		1224	newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1159	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));	1225	newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1160		1226
1161	main_mainstack = PL_mainstack;	1227	main_mainstack = PL_mainstack;
		1228	main_top_env = PL_top_env;
		1229
		1230	while (main_top_env->je_prev)
		1231	main_top_env = main_top_env->je_prev;
1162		1232
1163	coroapi.ver = CORO_API_VERSION;	1233	coroapi.ver = CORO_API_VERSION;
1164	coroapi.transfer = api_transfer;	1234	coroapi.transfer = api_transfer;
1165		1235
1166	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1236	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
…		…
1174	HV *hv;	1244	HV *hv;
1175	int i;	1245	int i;
1176		1246
1177	Newz (0, coro, 1, struct coro);	1247	Newz (0, coro, 1, struct coro);
1178	coro->args = newAV ();	1248	coro->args = newAV ();
1179	coro->save = CORO_SAVE_ALL;	1249	coro->save = CORO_SAVE_DEF;
1180	coro->flags = CF_NEW;	1250	coro->flags = CF_NEW;
1181		1251
		1252	if (coro_first) coro_first->prev = coro;
		1253	coro->next = coro_first;
		1254	coro_first = coro;
		1255
1182	hv = newHV ();	1256	coro->hv = hv = newHV ();
1183	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1257	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));	1258	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1185		1259
1186	for (i = 1; i < items; i++)	1260	for (i = 1; i < items; i++)
1187	av_push (coro->args, newSVsv (ST (i)));	1261	av_push (coro->args, newSVsv (ST (i)));
…		…
1191		1265
1192	int	1266	int
1193	save (SV *coro, int new_save = -1)	1267	save (SV *coro, int new_save = -1)
1194	CODE:	1268	CODE:
1195	RETVAL = api_save (coro, new_save);	1269	RETVAL = api_save (coro, new_save);
		1270	OUTPUT:
		1271	RETVAL
		1272
		1273	int
		1274	save_also (SV *coro_sv, int save_also)
		1275	CODE:
		1276	{
		1277	struct coro *coro = SvSTATE (coro_sv);
		1278	RETVAL = coro->save;
		1279	coro->save \|= save_also;
		1280	}
1196	OUTPUT:	1281	OUTPUT:
1197	RETVAL	1282	RETVAL
1198		1283
1199	void	1284	void
1200	_set_stacklevel (...)	1285	_set_stacklevel (...)
…		…
1216		1301
1217	case 1:	1302	case 1:
1218	if (items != 2)	1303	if (items != 2)
1219	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1304	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1220		1305
1221	prepare_transfer (&ta, ST (0), ST (1));	1306	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1222	break;	1307	break;
1223		1308
1224	case 2:	1309	case 2:
1225	prepare_schedule (&ta);	1310	prepare_schedule (aTHX_ &ta);
1226	break;	1311	break;
1227		1312
1228	case 3:	1313	case 3:
1229	prepare_cede (&ta);	1314	prepare_cede (aTHX_ &ta);
1230	break;	1315	break;
1231		1316
1232	case 4:	1317	case 4:
1233	if (!prepare_cede_notself (&ta))	1318	if (!prepare_cede_notself (aTHX_ &ta))
1234	XSRETURN_EMPTY;	1319	XSRETURN_EMPTY;
1235		1320
1236	break;	1321	break;
1237	}	1322	}
1238		1323
…		…
1244	}	1329	}
1245		1330
1246	bool	1331	bool
1247	_destroy (SV *coro_sv)	1332	_destroy (SV *coro_sv)
1248	CODE:	1333	CODE:
1249	RETVAL = coro_state_destroy (SvSTATE (coro_sv));	1334	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1250	OUTPUT:	1335	OUTPUT:
1251	RETVAL	1336	RETVAL
1252		1337
1253	void	1338	void
1254	_exit (code)	1339	_exit (code)
…		…
1256	PROTOTYPE: $	1341	PROTOTYPE: $
1257	CODE:	1342	CODE:
1258	_exit (code);	1343	_exit (code);
1259		1344
1260	int	1345	int
		1346	cctx_stacksize (int new_stacksize = 0)
		1347	CODE:
		1348	RETVAL = coro_stacksize;
		1349	if (new_stacksize)
		1350	coro_stacksize = new_stacksize;
		1351	OUTPUT:
		1352	RETVAL
		1353
		1354	int
1261	cctx_count ()	1355	cctx_count ()
1262	CODE:	1356	CODE:
1263	RETVAL = cctx_count;	1357	RETVAL = cctx_count;
1264	OUTPUT:	1358	OUTPUT:
1265	RETVAL	1359	RETVAL
…		…
1268	cctx_idle ()	1362	cctx_idle ()
1269	CODE:	1363	CODE:
1270	RETVAL = cctx_idle;	1364	RETVAL = cctx_idle;
1271	OUTPUT:	1365	OUTPUT:
1272	RETVAL	1366	RETVAL
		1367
		1368	void
		1369	list ()
		1370	PPCODE:
		1371	{
		1372	struct coro *coro;
		1373	for (coro = coro_first; coro; coro = coro->next)
		1374	if (coro->hv)
		1375	XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
		1376	}
		1377
		1378	void
		1379	_eval (Coro::State coro, SV *coderef)
		1380	CODE:
		1381	{
		1382	if (coro->mainstack)
		1383	{
		1384	struct coro temp;
		1385	Zero (&temp, 1, struct coro);
		1386	temp.save = CORO_SAVE_ALL;
		1387
		1388	if (!(coro->flags & CF_RUNNING))
		1389	{
		1390	save_perl (aTHX_ &temp);
		1391	load_perl (aTHX_ coro);
		1392	}
		1393
		1394	{
		1395	dSP;
		1396	ENTER;
		1397	SAVETMPS;
		1398	PUSHMARK (SP);
		1399	PUTBACK;
		1400	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1401	SPAGAIN;
		1402	FREETMPS;
		1403	LEAVE;
		1404	PUTBACK;
		1405	}
		1406
		1407	if (!(coro->flags & CF_RUNNING))
		1408	{
		1409	save_perl (aTHX_ coro);
		1410	load_perl (aTHX_ &temp);
		1411	}
		1412	}
		1413	}
		1414
		1415	SV *
		1416	is_ready (Coro::State coro)
		1417	PROTOTYPE: $
		1418	ALIAS:
		1419	is_ready = CF_READY
		1420	is_running = CF_RUNNING
		1421	is_new = CF_NEW
		1422	is_destroyed = CF_DESTROYED
		1423	CODE:
		1424	RETVAL = boolSV (coro->flags & ix);
		1425	OUTPUT:
		1426	RETVAL
		1427
		1428	IV
		1429	rss (Coro::State coro)
		1430	PROTOTYPE: $
		1431	CODE:
		1432	RETVAL = coro_rss (coro);
		1433	OUTPUT:
		1434	RETVAL
		1435
1273		1436
1274	MODULE = Coro::State PACKAGE = Coro	1437	MODULE = Coro::State PACKAGE = Coro
1275		1438
1276	BOOT:	1439	BOOT:
1277	{	1440	{
…		…
1345	CODE:	1508	CODE:
1346	RETVAL = boolSV (api_ready (self));	1509	RETVAL = boolSV (api_ready (self));
1347	OUTPUT:	1510	OUTPUT:
1348	RETVAL	1511	RETVAL
1349		1512
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	1513	int
1359	nready (...)	1514	nready (...)
1360	PROTOTYPE:	1515	PROTOTYPE:
1361	CODE:	1516	CODE:
1362	RETVAL = coro_nready;	1517	RETVAL = coro_nready;

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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 1.158 by root, Fri Sep 21 02:23:48 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 1.158 by root, Fri Sep 21 02:23:48 2007 UTC