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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.101 by root, Mon Nov 27 00:08:18 2006 UTC vs.
Revision 1.119 by root, Sat Dec 2 15:41:28 2006 UTC

…		…
3	#include "EXTERN.h"	3	#include "EXTERN.h"
4	#include "perl.h"	4	#include "perl.h"
5	#include "XSUB.h"	5	#include "XSUB.h"
6		6
7	#include "patchlevel.h"	7	#include "patchlevel.h"
		8
		9	#if USE_VALGRIND
		10	# include <valgrind/valgrind.h>
		11	#endif
		12
		13	/* the maximum number of idle cctx that will be pooled */
		14	#define MAX_IDLE_CCTX 8
8		15
9	#define PERL_VERSION_ATLEAST(a,b,c) \	16	#define PERL_VERSION_ATLEAST(a,b,c) \
10	(PERL_REVISION > (a) \	17	(PERL_REVISION > (a) \
11	\|\| (PERL_REVISION == (a) \	18	\|\| (PERL_REVISION == (a) \
12	&& (PERL_VERSION > (b) \	19	&& (PERL_VERSION > (b) \
13	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	20	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))
14		21
15	#if !PERL_VERSION_ATLEAST (5,8,0)	22	#if !PERL_VERSION_ATLEAST (5,6,0)
16	# ifndef PL_ppaddr	23	# ifndef PL_ppaddr
17	# define PL_ppaddr ppaddr	24	# define PL_ppaddr ppaddr
18	# endif	25	# endif
19	# ifndef call_sv	26	# ifndef call_sv
20	# define call_sv perl_call_sv	27	# define call_sv perl_call_sv
…		…
58	# ifndef PAGESIZE	65	# ifndef PAGESIZE
59	# define PAGESIZE pagesize	66	# define PAGESIZE pagesize
60	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)	67	# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
61	static long pagesize;	68	static long pagesize;
62	# else	69	# else
63	# define BOOT_PAGESIZE	70	# define BOOT_PAGESIZE (void)0
64	# endif	71	# endif
		72	#else
		73	# define PAGESIZE 0
		74	# define BOOT_PAGESIZE (void)0
65	#endif	75	#endif
66		76
67	/* The next macro should declare a variable stacklevel that contains and approximation	77	/* The next macro should declare a variable stacklevel that contains and approximation
68	* to the current C stack pointer. Its property is that it changes with each call	78	* to the current C stack pointer. Its property is that it changes with each call
69	* and should be unique. */	79	* and should be unique. */
…		…
96	static struct CoroAPI coroapi;	106	static struct CoroAPI coroapi;
97	static AV main_mainstack; / used to differentiate between $main and others */	107	static AV main_mainstack; / used to differentiate between $main and others */
98	static HV coro_state_stash, coro_stash;	108	static HV coro_state_stash, coro_stash;
99	static SV coro_mortal; / will be freed after next transfer */	109	static SV coro_mortal; / will be freed after next transfer */
100		110
		111	static struct coro_cctx *cctx_first;
		112	static int cctx_count, cctx_idle;
		113
101	/* this is a structure representing a c-level coroutine */	114	/* this is a structure representing a c-level coroutine */
102	typedef struct coro_stack {	115	typedef struct coro_cctx {
103	struct coro_stack *next;	116	struct coro_cctx *next;
104		117
105	/* the stack */	118	/* the stack */
106	void *sptr;	119	void *sptr;
107	long ssize; /* positive == mmap, otherwise malloc */	120	long ssize; /* positive == mmap, otherwise malloc */
108		121
109	/* cpu state */	122	/* cpu state */
110	void idle_sp; / sp of top-level transfer/schedule/cede call */	123	void idle_sp; / sp of top-level transfer/schedule/cede call */
111	JMPENV *top_env;	124	JMPENV *top_env;
112	coro_context cctx;	125	coro_context cctx;
113	} coro_stack;	126
		127	int inuse;
		128
		129	#if USE_VALGRIND
		130	int valgrind_id;
		131	#endif
		132	} coro_cctx;
		133
		134	enum {
		135	CF_RUNNING = 0x0001, /* coroutine is running */
		136	CF_READY = 0x0002, /* coroutine is ready */
		137	CF_NEW = 0x0004, /* ahs never been switched to */
		138	};
114		139
115	/* this is a structure representing a perl-level coroutine */	140	/* this is a structure representing a perl-level coroutine */
116	struct coro {	141	struct coro {
117	/* the c coroutine allocated to this perl coroutine, if any */	142	/* the c coroutine allocated to this perl coroutine, if any */
118	coro_stack *stack;	143	coro_cctx *cctx;
119		144
120	/* data associated with this coroutine (initial args) */	145	/* data associated with this coroutine (initial args) */
121	AV *args;	146	AV *args;
122	int refcnt;	147	int refcnt;
		148	int flags;
123		149
124	/* optionally saved, might be zero */	150	/* optionally saved, might be zero */
125	AV *defav;	151	AV *defav;
126	SV *defsv;	152	SV *defsv;
127	SV *errsv;	153	SV *errsv;
128		154
129	/* saved global state not related to stacks */	155	#define VAR(name,type) type name;
130	U8 dowarn;	156	# include "state.h"
131	I32 in_eval;	157	#undef VAR
132
133	/* the stacks and related info (callchain etc..) */
134	PERL_SI *curstackinfo;
135	AV *curstack;
136	AV *mainstack;
137	SV **stack_sp;
138	OP *op;
139	SV **curpad;
140	AV *comppad;
141	CV *compcv;
142	SV **stack_base;
143	SV **stack_max;
144	SV **tmps_stack;
145	I32 tmps_floor;
146	I32 tmps_ix;
147	I32 tmps_max;
148	I32 *markstack;
149	I32 *markstack_ptr;
150	I32 *markstack_max;
151	I32 *scopestack;
152	I32 scopestack_ix;
153	I32 scopestack_max;
154	ANY *savestack;
155	I32 savestack_ix;
156	I32 savestack_max;
157	OP **retstack;
158	I32 retstack_ix;
159	I32 retstack_max;
160	PMOP *curpm;
161	COP *curcop;
162		158
163	/* coro process data */	159	/* coro process data */
164	int prio;	160	int prio;
165	};	161	};
166		162
…		…
230		226
231	#define PERL_MAGIC_coro PERL_MAGIC_ext	227	#define PERL_MAGIC_coro PERL_MAGIC_ext
232		228
233	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	229	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
234		230
		231	#define CORO_MAGIC(cv) \
		232	SvMAGIC (cv) \
		233	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
		234	? SvMAGIC (cv) \
		235	: mg_find ((SV *)cv, PERL_MAGIC_coro) \
		236	: 0
		237
235	/* the next two functions merely cache the padlists */	238	/* the next two functions merely cache the padlists */
236	static void	239	static void
237	get_padlist (CV *cv)	240	get_padlist (CV *cv)
238	{	241	{
239	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	242	MAGIC *mg = CORO_MAGIC (cv);
		243	AV *av;
240		244
241	if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)	245	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
242	CvPADLIST (cv) = (AV )av_pop ((AV )mg->mg_obj);	246	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
243	else	247	else
244	{	248	{
245	#if 0	249	#if 0
246	/* this is probably cleaner, but also slower? */	250	/* this is probably cleaner, but also slower? */
247	CV *cp = Perl_cv_clone (cv);	251	CV *cp = Perl_cv_clone (cv);
…		…
255	}	259	}
256		260
257	static void	261	static void
258	put_padlist (CV *cv)	262	put_padlist (CV *cv)
259	{	263	{
260	MAGIC mg = mg_find ((SV )cv, PERL_MAGIC_coro);	264	MAGIC *mg = CORO_MAGIC (cv);
		265	AV *av;
261		266
262	if (!mg)	267	if (!mg)
263	{	268	{
264	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);	269	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
265	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);	270	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
266	mg->mg_virtual = &vtbl_coro;	271	mg->mg_virtual = &vtbl_coro;
267	mg->mg_obj = (SV *)newAV ();	272	mg->mg_obj = (SV *)newAV ();
268	}	273	}
269		274
270	av_push ((AV )mg->mg_obj, (SV )CvPADLIST (cv));	275	av = (AV *)mg->mg_obj;
		276
		277	if (AvFILLp (av) >= AvMAX (av))
		278	av_extend (av, AvMAX (av) + 1);
		279
		280	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
271	}	281	}
272		282
273	#define SB do {	283	#define SB do {
274	#define SE } while (0)	284	#define SE } while (0)
275		285
276	#define LOAD(state) load_state((state));	286	#define LOAD(state) load_state ((state))
277	#define SAVE(state,flags) save_state((state),(flags));	287	#define SAVE(state,flags) save_state ((state),(flags))
278		288
279	#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE	289	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
280		290
281	static void	291	static void
282	load_state(Coro__State c)	292	load_state (Coro__State c)
283	{	293	{
284	PL_dowarn = c->dowarn;	294	#define VAR(name,type) PL_ ## name = c->name;
285	PL_in_eval = c->in_eval;	295	# include "state.h"
286		296	#undef VAR
287	PL_curstackinfo = c->curstackinfo;
288	PL_curstack = c->curstack;
289	PL_mainstack = c->mainstack;
290	PL_stack_sp = c->stack_sp;
291	PL_op = c->op;
292	PL_curpad = c->curpad;
293	PL_comppad = c->comppad;
294	PL_compcv = c->compcv;
295	PL_stack_base = c->stack_base;
296	PL_stack_max = c->stack_max;
297	PL_tmps_stack = c->tmps_stack;
298	PL_tmps_floor = c->tmps_floor;
299	PL_tmps_ix = c->tmps_ix;
300	PL_tmps_max = c->tmps_max;
301	PL_markstack = c->markstack;
302	PL_markstack_ptr = c->markstack_ptr;
303	PL_markstack_max = c->markstack_max;
304	PL_scopestack = c->scopestack;
305	PL_scopestack_ix = c->scopestack_ix;
306	PL_scopestack_max = c->scopestack_max;
307	PL_savestack = c->savestack;
308	PL_savestack_ix = c->savestack_ix;
309	PL_savestack_max = c->savestack_max;
310	#if !PERL_VERSION_ATLEAST (5,9,0)
311	PL_retstack = c->retstack;
312	PL_retstack_ix = c->retstack_ix;
313	PL_retstack_max = c->retstack_max;
314	#endif
315	PL_curpm = c->curpm;
316	PL_curcop = c->curcop;
317		297
318	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);	298	if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
319	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);	299	if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
320	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);	300	if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
321		301
…		…
324	CV *cv;	304	CV *cv;
325		305
326	/* now do the ugly restore mess */	306	/* now do the ugly restore mess */
327	while ((cv = (CV *)POPs))	307	while ((cv = (CV *)POPs))
328	{	308	{
329	AV padlist = (AV )POPs;
330
331	if (padlist)
332	{
333	put_padlist (cv); /* mark this padlist as available */	309	put_padlist (cv); /* mark this padlist as available */
334	CvPADLIST(cv) = padlist;	310	CvDEPTH (cv) = PTR2IV (POPs);
335	}	311	CvPADLIST (cv) = (AV *)POPs;
336
337	++CvDEPTH(cv);
338	}	312	}
339		313
340	PUTBACK;	314	PUTBACK;
341	}	315	}
342	}	316	}
343		317
344	static void	318	static void
345	save_state(Coro__State c, int flags)	319	save_state (Coro__State c, int flags)
346	{	320	{
347	{	321	{
348	dSP;	322	dSP;
349	I32 cxix = cxstack_ix;	323	I32 cxix = cxstack_ix;
350	PERL_CONTEXT *ccstk = cxstack;	324	PERL_CONTEXT *ccstk = cxstack;
…		…
361	{	335	{
362	while (cxix >= 0)	336	while (cxix >= 0)
363	{	337	{
364	PERL_CONTEXT *cx = &ccstk[cxix--];	338	PERL_CONTEXT *cx = &ccstk[cxix--];
365		339
366	if (CxTYPE(cx) == CXt_SUB)	340	if (CxTYPE (cx) == CXt_SUB)
367	{	341	{
368	CV *cv = cx->blk_sub.cv;	342	CV *cv = cx->blk_sub.cv;
		343
369	if (CvDEPTH(cv))	344	if (CvDEPTH (cv))
370	{	345	{
371	EXTEND (SP, CvDEPTH(cv)*2);	346	EXTEND (SP, 3);
372		347
373	while (--CvDEPTH(cv))
374	{
375	/* this tells the restore code to increment CvDEPTH */
376	PUSHs (Nullsv);
377	PUSHs ((SV *)cv);
378	}
379
380	PUSHs ((SV *)CvPADLIST(cv));	348	PUSHs ((SV *)CvPADLIST (cv));
		349	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
381	PUSHs ((SV *)cv);	350	PUSHs ((SV *)cv);
382		351
		352	CvDEPTH (cv) = 0;
383	get_padlist (cv);	353	get_padlist (cv);
384	}	354	}
385	}	355	}
386	#ifdef CXt_FORMAT	356	#ifdef CXt_FORMAT
387	else if (CxTYPE(cx) == CXt_FORMAT)	357	else if (CxTYPE (cx) == CXt_FORMAT)
388	{	358	{
389	/* I never used formats, so how should I know how these are implemented? */	359	/* I never used formats, so how should I know how these are implemented? */
390	/* my bold guess is as a simple, plain sub... */	360	/* my bold guess is as a simple, plain sub... */
391	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");	361	croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
392	}	362	}
…		…
406		376
407	c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;	377	c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
408	c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;	378	c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
409	c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;	379	c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
410		380
411	c->dowarn = PL_dowarn;	381	#define VAR(name,type)c->name = PL_ ## name;
412	c->in_eval = PL_in_eval;	382	# include "state.h"
413		383	#undef VAR
414	c->curstackinfo = PL_curstackinfo;
415	c->curstack = PL_curstack;
416	c->mainstack = PL_mainstack;
417	c->stack_sp = PL_stack_sp;
418	c->op = PL_op;
419	c->curpad = PL_curpad;
420	c->comppad = PL_comppad;
421	c->compcv = PL_compcv;
422	c->stack_base = PL_stack_base;
423	c->stack_max = PL_stack_max;
424	c->tmps_stack = PL_tmps_stack;
425	c->tmps_floor = PL_tmps_floor;
426	c->tmps_ix = PL_tmps_ix;
427	c->tmps_max = PL_tmps_max;
428	c->markstack = PL_markstack;
429	c->markstack_ptr = PL_markstack_ptr;
430	c->markstack_max = PL_markstack_max;
431	c->scopestack = PL_scopestack;
432	c->scopestack_ix = PL_scopestack_ix;
433	c->scopestack_max = PL_scopestack_max;
434	c->savestack = PL_savestack;
435	c->savestack_ix = PL_savestack_ix;
436	c->savestack_max = PL_savestack_max;
437	#if !PERL_VERSION_ATLEAST (5,9,0)
438	c->retstack = PL_retstack;
439	c->retstack_ix = PL_retstack_ix;
440	c->retstack_max = PL_retstack_max;
441	#endif
442	c->curpm = PL_curpm;
443	c->curcop = PL_curcop;
444	}	384	}
445		385
446	/*	386	/*
447	* allocate various perl stacks. This is an exact copy	387	* allocate various perl stacks. This is an exact copy
448	* of perl.c:init_stacks, except that it uses less memory	388	* of perl.c:init_stacks, except that it uses less memory
…		…
450	* not usually need a lot of stackspace.	390	* not usually need a lot of stackspace.
451	*/	391	*/
452	static void	392	static void
453	coro_init_stacks ()	393	coro_init_stacks ()
454	{	394	{
455	PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);	395	PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT));
456	PL_curstackinfo->si_type = PERLSI_MAIN;	396	PL_curstackinfo->si_type = PERLSI_MAIN;
457	PL_curstack = PL_curstackinfo->si_stack;	397	PL_curstack = PL_curstackinfo->si_stack;
458	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	398	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
459		399
460	PL_stack_base = AvARRAY(PL_curstack);	400	PL_stack_base = AvARRAY(PL_curstack);
461	PL_stack_sp = PL_stack_base;	401	PL_stack_sp = PL_stack_base;
462	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	402	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
463		403
464	New(50,PL_tmps_stack,96,SV*);	404	New(50,PL_tmps_stack,128,SV*);
465	PL_tmps_floor = -1;	405	PL_tmps_floor = -1;
466	PL_tmps_ix = -1;	406	PL_tmps_ix = -1;
467	PL_tmps_max = 96;	407	PL_tmps_max = 128;
468		408
469	New(54,PL_markstack,16,I32);	409	New(54,PL_markstack,32,I32);
470	PL_markstack_ptr = PL_markstack;	410	PL_markstack_ptr = PL_markstack;
471	PL_markstack_max = PL_markstack + 16;	411	PL_markstack_max = PL_markstack + 32;
472		412
473	#ifdef SET_MARK_OFFSET	413	#ifdef SET_MARK_OFFSET
474	SET_MARK_OFFSET;	414	SET_MARK_OFFSET;
475	#endif	415	#endif
476		416
477	New(54,PL_scopestack,16,I32);	417	New(54,PL_scopestack,32,I32);
478	PL_scopestack_ix = 0;	418	PL_scopestack_ix = 0;
479	PL_scopestack_max = 16;	419	PL_scopestack_max = 32;
480		420
481	New(54,PL_savestack,96,ANY);	421	New(54,PL_savestack,64,ANY);
482	PL_savestack_ix = 0;	422	PL_savestack_ix = 0;
483	PL_savestack_max = 96;	423	PL_savestack_max = 64;
484		424
485	#if !PERL_VERSION_ATLEAST (5,9,0)	425	#if !PERL_VERSION_ATLEAST (5,9,0)
486	New(54,PL_retstack,8,OP*);	426	New(54,PL_retstack,16,OP*);
487	PL_retstack_ix = 0;	427	PL_retstack_ix = 0;
488	PL_retstack_max = 8;	428	PL_retstack_max = 16;
489	#endif	429	#endif
490	}	430	}
491		431
492	/*	432	/*
493	* destroy the stacks, the callchain etc...	433	* destroy the stacks, the callchain etc...
494	*/	434	*/
495	static void	435	static void
496	destroy_stacks()	436	coro_destroy_stacks ()
497	{	437	{
498	if (!IN_DESTRUCT)	438	if (!IN_DESTRUCT)
499	{	439	{
500	/* is this ugly, I ask? */	440	/* is this ugly, I ask? */
501	LEAVE_SCOPE (0);	441	LEAVE_SCOPE (0);
…		…
543	setup_coro (struct coro *coro)	483	setup_coro (struct coro *coro)
544	{	484	{
545	/*	485	/*
546	* emulate part of the perl startup here.	486	* emulate part of the perl startup here.
547	*/	487	*/
548	dTHX;
549	dSP;
550	UNOP myop;
551	SV sub_init = (SV )get_cv ("Coro::State::coro_init", FALSE);
552		488
553	coro_init_stacks ();	489	coro_init_stacks ();
554	/PL_curcop = 0;/	490
555	/PL_in_eval = PL_in_eval;/ /* inherit */	491	PL_curcop = &PL_compiling;
		492	PL_in_eval = EVAL_NULL;
		493	PL_curpm = 0;
		494	PL_localizing = 0;
		495	PL_dirty = 0;
		496	PL_restartop = 0;
		497
		498	{
		499	dSP;
		500	LOGOP myop;
		501
		502	/* I have no idea why this is needed, but it is */
		503	PUSHMARK (SP);
		504
556	SvREFCNT_dec (GvAV (PL_defgv));	505	SvREFCNT_dec (GvAV (PL_defgv));
557	GvAV (PL_defgv) = coro->args; coro->args = 0;	506	GvAV (PL_defgv) = coro->args; coro->args = 0;
558		507
559	SPAGAIN;
560
561	Zero (&myop, 1, UNOP);	508	Zero (&myop, 1, LOGOP);
562	myop.op_next = Nullop;	509	myop.op_next = Nullop;
563	myop.op_flags = OPf_WANT_VOID;	510	myop.op_flags = OPf_WANT_VOID;
564		511
565	PL_op = (OP *)&myop;	512	PL_op = (OP *)&myop;
566		513
567	PUSHMARK(SP);	514	PUSHMARK (SP);
568	XPUSHs (sub_init);	515	XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE));
569	PUTBACK;	516	PUTBACK;
570	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	517	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
571	SPAGAIN;	518	SPAGAIN;
		519	}
572		520
573	ENTER; /* necessary e.g. for dounwind */	521	ENTER; /* necessary e.g. for dounwind */
574	}	522	}
575		523
576	static void	524	static void
…		…
582	coro_mortal = 0;	530	coro_mortal = 0;
583	}	531	}
584	}	532	}
585		533
586	static void NOINLINE	534	static void NOINLINE
587	prepare_cctx (coro_stack *cctx)	535	prepare_cctx (coro_cctx *cctx)
588	{	536	{
589	dSP;	537	dSP;
590	UNOP myop;	538	LOGOP myop;
591		539
592	Zero (&myop, 1, UNOP);	540	Zero (&myop, 1, LOGOP);
593	myop.op_next = PL_op;	541	myop.op_next = PL_op;
594	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	542	myop.op_flags = OPf_WANT_VOID;
595		543
		544	sv_setiv (get_sv ("Coro::State::_cctx", FALSE), PTR2IV (cctx));
		545
596	PUSHMARK(SP);	546	PUSHMARK (SP);
597	EXTEND (SP, 2);
598	PUSHs (newSViv (PTR2IV (cctx)));
599	PUSHs ((SV *)get_cv ("Coro::State::cctx_init", FALSE));	547	XPUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
600	PUTBACK;	548	PUTBACK;
601	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);	549	PL_restartop = PL_ppaddr[OP_ENTERSUB](aTHX);
602	SPAGAIN;	550	SPAGAIN;
603	}	551	}
604		552
605	static void	553	static void
606	coro_run (void *arg)	554	coro_run (void *arg)
607	{	555	{
		556	/* coro_run is the alternative epilogue of transfer() */
		557	UNLOCK;
		558
608	/*	559	/*
609	* this is a _very_ stripped down perl interpreter ;)	560	* this is a _very_ stripped down perl interpreter ;)
610	*/	561	*/
611	UNLOCK;
612
613	PL_top_env = &PL_start_env;	562	PL_top_env = &PL_start_env;
		563
		564	/* inject call to cctx_init */
614	prepare_cctx ((coro_stack *)arg);	565	prepare_cctx ((coro_cctx *)arg);
615		566
616	/* somebody will hit me for both perl_run and PL_restartop */	567	/* somebody will hit me for both perl_run and PL_restartop */
617	perl_run (PERL_GET_CONTEXT);	568	perl_run (PL_curinterp);
618		569
619	fputs ("FATAL: C coroutine fell over the edge of the world, aborting.\n", stderr);	570	fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr);
620	abort ();	571	abort ();
621	}	572	}
622		573
623	static coro_stack *	574	static coro_cctx *
624	stack_new ()	575	cctx_new ()
625	{	576	{
626	coro_stack *stack;	577	coro_cctx *cctx;
627		578
		579	++cctx_count;
		580
628	New (0, stack, 1, coro_stack);	581	New (0, cctx, 1, coro_cctx);
629		582
630	#if HAVE_MMAP	583	#if HAVE_MMAP
631		584
632	stack->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;	585	cctx->ssize = ((STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + STACKGUARD) * PAGESIZE;
633	/* mmap suppsedly does allocate-on-write for us */	586	/* mmap suppsedly does allocate-on-write for us */
634	stack->sptr = mmap (0, stack->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	587	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
635		588
636	if (stack->sptr == (void *)-1)	589	if (cctx->sptr == (void *)-1)
637	{	590	{
638	perror ("FATAL: unable to mmap stack for coroutine");	591	perror ("FATAL: unable to mmap stack for coroutine");
639	_exit (EXIT_FAILURE);	592	_exit (EXIT_FAILURE);
640	}	593	}
641		594
642	# if STACKGUARD	595	# if STACKGUARD
643	mprotect (stack->sptr, STACKGUARD * PAGESIZE, PROT_NONE);	596	mprotect (cctx->sptr, STACKGUARD * PAGESIZE, PROT_NONE);
644	# endif	597	# endif
645		598
646	#else	599	#else
647		600
648	stack->ssize = STACKSIZE * (long)sizeof (long);	601	cctx->ssize = STACKSIZE * (long)sizeof (long);
649	New (0, stack->sptr, STACKSIZE, long);	602	New (0, cctx->sptr, STACKSIZE, long);
650		603
651	if (!stack->sptr)	604	if (!cctx->sptr)
652	{	605	{
653	perror (stderr, "FATAL: unable to malloc stack for coroutine");	606	perror ("FATAL: unable to malloc stack for coroutine");
654	_exit (EXIT_FAILURE);	607	_exit (EXIT_FAILURE);
655	}	608	}
656		609
657	#endif	610	#endif
658		611
		612	#if USE_VALGRIND
		613	cctx->valgrind_id = VALGRIND_STACK_REGISTER (
		614	STACKGUARD * PAGESIZE + (char *)cctx->sptr,
		615	cctx->ssize + (char *)cctx->sptr
		616	);
		617	#endif
		618
659	coro_create (&stack->cctx, coro_run, (void *)stack, stack->sptr, stack->ssize);	619	coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
660		620
661	return stack;	621	return cctx;
662	}	622	}
663		623
664	static void	624	static void
665	stack_free (coro_stack *stack)	625	cctx_destroy (coro_cctx *cctx)
666	{	626	{
667	if (!stack)	627	if (!cctx)
668	return;	628	return;
669		629
		630	--cctx_count;
		631
		632	#if USE_VALGRIND
		633	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
		634	#endif
		635
670	#if HAVE_MMAP	636	#if HAVE_MMAP
671	munmap (stack->sptr, stack->ssize);	637	munmap (cctx->sptr, cctx->ssize);
672	#else	638	#else
673	Safefree (stack->sptr);	639	Safefree (cctx->sptr);
674	#endif	640	#endif
675		641
676	Safefree (stack);	642	Safefree (cctx);
677	}	643	}
678		644
679	static coro_stack *stack_first;
680
681	static coro_stack *	645	static coro_cctx *
682	stack_get ()	646	cctx_get ()
683	{	647	{
684	coro_stack *stack;	648	coro_cctx *cctx;
685		649
686	if (stack_first)	650	if (cctx_first)
687	{	651	{
688	stack = stack_first;	652	cctx = cctx_first;
689	stack_first = stack->next;	653	cctx_first = cctx->next;
		654	--cctx_idle;
690	}	655	}
691	else	656	else
692	{	657	{
693	stack = stack_new ();	658	cctx = cctx_new ();
694	PL_op = PL_op->op_next;	659	PL_op = PL_op->op_next;
695	}	660	}
696		661
697	return stack;	662	return cctx;
698	}	663	}
699		664
700	static void	665	static void
701	stack_put (coro_stack *stack)	666	cctx_put (coro_cctx *cctx)
702	{	667	{
703	stack->next = stack_first;	668	/* free another cctx if overlimit */
704	stack_first = stack;	669	if (cctx_idle >= MAX_IDLE_CCTX)
		670	{
		671	coro_cctx *first = cctx_first;
		672	cctx_first = first->next;
		673	--cctx_idle;
		674
		675	assert (!first->inuse);
		676	cctx_destroy (first);
		677	}
		678
		679	++cctx_idle;
		680	cctx->next = cctx_first;
		681	cctx_first = cctx;
705	}	682	}
706		683
707	/* never call directly, always through the coro_state_transfer global variable */	684	/* never call directly, always through the coro_state_transfer global variable */
708	static void NOINLINE	685	static void NOINLINE
709	transfer (struct coro prev, struct coro next, int flags)	686	transfer (struct coro prev, struct coro next, int flags)
710	{	687	{
711	dSTACKLEVEL;	688	dSTACKLEVEL;
712		689
713	/* sometimes transfer is only called to set idle_sp */	690	/* sometimes transfer is only called to set idle_sp */
714	if (flags == TRANSFER_SET_STACKLEVEL)	691	if (flags == TRANSFER_SET_STACKLEVEL)
715	((coro_stack *)prev)->idle_sp = STACKLEVEL;	692	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
716	else if (prev != next)	693	else if (prev != next)
717	{	694	{
718	coro_stack *prev__stack;	695	coro_cctx *prev__cctx;
		696
		697	if (prev->flags & CF_NEW)
		698	{
		699	/* create a new empty context */
		700	Newz (0, prev->cctx, 1, coro_cctx);
		701	prev->cctx->inuse = 1;
		702	prev->flags &= ~CF_NEW;
		703	prev->flags \|= CF_RUNNING;
		704	}
		705
		706	/TODO: must not croak here /
		707	if (!prev->flags & CF_RUNNING)
		708	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
		709
		710	if (next->flags & CF_RUNNING)
		711	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		712
		713	prev->flags &= ~CF_RUNNING;
		714	next->flags \|= CF_RUNNING;
719		715
720	LOCK;	716	LOCK;
721		717
722	if (next->mainstack)	718	if (next->flags & CF_NEW)
		719	{
		720	/* need to start coroutine */
		721	next->flags &= ~CF_NEW;
		722	/* first get rid of the old state */
		723	SAVE (prev, -1);
		724	/* setup coroutine call */
		725	setup_coro (next);
		726	/* need a new stack */
		727	assert (!next->stack);
		728	}
		729	else
723	{	730	{
724	/* coroutine already started */	731	/* coroutine already started */
725	SAVE (prev, flags);	732	SAVE (prev, flags);
726	LOAD (next);	733	LOAD (next);
727	}	734	}
728	else	735
		736	prev__cctx = prev->cctx;
		737
		738	/* possibly "free" the cctx */
		739	if (prev__cctx->idle_sp == STACKLEVEL)
729	{	740	{
730	/* need to start coroutine */	741	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
731	/* first get rid of the old state */	742	assert (PL_top_env == prev__cctx->top_env);
732	SAVE (prev, -1);	743
733	/* setup coroutine call */	744	prev->cctx = 0;
734	setup_coro (next);	745
735	/* need a stack */	746	cctx_put (prev__cctx);
736	next->stack = 0;	747	prev__cctx->inuse = 0;
737	}	748	}
738		749
739	if (!prev->stack)	750	if (!next->cctx)
740	/* create a new empty context */
741	Newz (0, prev->stack, 1, coro_stack);
742
743	prev__stack = prev->stack;
744
745	/* possibly "free" the stack */
746	if (prev__stack->idle_sp == STACKLEVEL)
747	{	751	{
748	stack_put (prev__stack);	752	next->cctx = cctx_get ();
749	prev->stack = 0;	753	assert (!next->cctx->inuse);
		754	next->cctx->inuse = 1;
750	}	755	}
751		756
752	if (!next->stack)
753	next->stack = stack_get ();
754
755	if (prev__stack != next->stack)	757	if (prev__cctx != next->cctx)
756	{	758	{
757	prev__stack->top_env = PL_top_env;	759	prev__cctx->top_env = PL_top_env;
758	PL_top_env = next->stack->top_env;	760	PL_top_env = next->cctx->top_env;
759	coro_transfer (&prev__stack->cctx, &next->stack->cctx);	761	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
760	}	762	}
761		763
762	free_coro_mortal ();	764	free_coro_mortal ();
763		765
764	UNLOCK;	766	UNLOCK;
…		…
781		783
782	if (coro->mainstack && coro->mainstack != main_mainstack)	784	if (coro->mainstack && coro->mainstack != main_mainstack)
783	{	785	{
784	struct coro temp;	786	struct coro temp;
785		787
		788	if (coro->flags & CF_RUNNING)
		789	croak ("FATAL: tried to destroy currently running coroutine");
		790
786	SAVE ((&temp), TRANSFER_SAVE_ALL);	791	SAVE ((&temp), TRANSFER_SAVE_ALL);
787	LOAD (coro);	792	LOAD (coro);
788		793
789	destroy_stacks ();	794	coro_destroy_stacks ();
790		795
791	LOAD ((&temp)); /* this will get rid of defsv etc.. */	796	LOAD ((&temp)); /* this will get rid of defsv etc.. */
792		797
793	coro->mainstack = 0;	798	coro->mainstack = 0;
794	}	799	}
795		800
796	stack_free (coro->stack);	801	cctx_destroy (coro->cctx);
797	SvREFCNT_dec (coro->args);	802	SvREFCNT_dec (coro->args);
798	Safefree (coro);	803	Safefree (coro);
799	}	804	}
800		805
801	static int	806	static int
…		…
823	0, 0, 0, 0,	828	0, 0, 0, 0,
824	coro_state_clear,	829	coro_state_clear,
825	0,	830	0,
826	#ifdef MGf_DUP	831	#ifdef MGf_DUP
827	coro_state_dup,	832	coro_state_dup,
		833	#else
		834	# define MGf_DUP 0
828	#endif	835	#endif
829	};	836	};
830		837
831	static struct coro *	838	static struct coro *
832	SvSTATE (SV *coro)	839	SvSTATE (SV *coro)
…		…
859	}	866	}
860		867
861	static void	868	static void
862	api_transfer (SV prev, SV next, int flags)	869	api_transfer (SV prev, SV next, int flags)
863	{	870	{
864	dTHX;
865	struct transfer_args ta;	871	struct transfer_args ta;
866		872
867	prepare_transfer (&ta, prev, next, flags);	873	prepare_transfer (&ta, prev, next, flags);
868	TRANSFER (ta);	874	TRANSFER (ta);
869	}	875	}
…		…
876	#define PRIO_LOW -1	882	#define PRIO_LOW -1
877	#define PRIO_IDLE -3	883	#define PRIO_IDLE -3
878	#define PRIO_MIN -4	884	#define PRIO_MIN -4
879		885
880	/* for Coro.pm */	886	/* for Coro.pm */
881	static GV coro_current, coro_idle;	887	static SV *coro_current;
882	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	888	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
883	static int coro_nready;	889	static int coro_nready;
884		890
885	static void	891	static void
886	coro_enq (SV *sv)	892	coro_enq (SV *coro_sv)
887	{	893	{
888	int prio;
889
890	if (SvTYPE (sv) != SVt_PVHV)
891	croak ("Coro::ready tried to enqueue something that is not a coroutine");
892
893	prio = SvSTATE (sv)->prio;
894
895	av_push (coro_ready [prio - PRIO_MIN], sv);	894	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
896	coro_nready++;	895	coro_nready++;
897	}	896	}
898		897
899	static SV *	898	static SV *
900	coro_deq (int min_prio)	899	coro_deq (int min_prio)
…		…
913	}	912	}
914		913
915	return 0;	914	return 0;
916	}	915	}
917		916
918	static void	917	static int
919	api_ready (SV *coro)	918	api_ready (SV *coro_sv)
920	{	919	{
921	dTHX;	920	struct coro *coro;
922		921
923	if (SvROK (coro))	922	if (SvROK (coro_sv))
924	coro = SvRV (coro);	923	coro_sv = SvRV (coro_sv);
		924
		925	coro = SvSTATE (coro_sv);
		926
		927	if (coro->flags & CF_READY)
		928	return 0;
		929
		930	#if 0 /* this is actually harmless */
		931	if (coro->flags & CF_RUNNING)
		932	croak ("Coro::ready called on currently running coroutine");
		933	#endif
		934
		935	coro->flags \|= CF_READY;
925		936
926	LOCK;	937	LOCK;
927	coro_enq (SvREFCNT_inc (coro));	938	coro_enq (SvREFCNT_inc (coro_sv));
928	UNLOCK;	939	UNLOCK;
		940
		941	return 1;
		942	}
		943
		944	static int
		945	api_is_ready (SV *coro_sv)
		946	{
		947	return !!SvSTATE (coro_sv)->flags & CF_READY;
929	}	948	}
930		949
931	static void	950	static void
932	prepare_schedule (struct transfer_args *ta)	951	prepare_schedule (struct transfer_args *ta)
933	{	952	{
934	SV current, prev, *next;	953	SV prev, next;
935
936	current = GvSV (coro_current);
937		954
938	for (;;)	955	for (;;)
939	{	956	{
940	LOCK;	957	LOCK;
941	next = coro_deq (PRIO_MIN);	958	next = coro_deq (PRIO_MIN);
…		…
950	ENTER;	967	ENTER;
951	SAVETMPS;	968	SAVETMPS;
952		969
953	PUSHMARK (SP);	970	PUSHMARK (SP);
954	PUTBACK;	971	PUTBACK;
955	call_sv (GvSV (coro_idle), G_DISCARD);	972	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
956		973
957	FREETMPS;	974	FREETMPS;
958	LEAVE;	975	LEAVE;
959	}	976	}
960	}	977	}
961		978
962	prev = SvRV (current);	979	prev = SvRV (coro_current);
963	SvRV (current) = next;	980	SvRV_set (coro_current, next);
964		981
965	/* free this only after the transfer */	982	/* free this only after the transfer */
966	LOCK;	983	LOCK;
967	free_coro_mortal ();	984	free_coro_mortal ();
968	UNLOCK;	985	UNLOCK;
969	coro_mortal = prev;	986	coro_mortal = prev;
970		987
		988	assert (!SvROK(prev));//D
		989	assert (!SvROK(next));//D
		990
971	ta->prev = SvSTATE (prev);	991	ta->prev = SvSTATE (prev);
972	ta->next = SvSTATE (next);	992	ta->next = SvSTATE (next);
973	ta->flags = TRANSFER_SAVE_ALL;	993	ta->flags = TRANSFER_SAVE_ALL;
		994
		995	assert (ta->flags & CF_READY);
		996	ta->next->flags &= ~CF_READY;
974	}	997	}
975		998
976	static void	999	static void
977	prepare_cede (struct transfer_args *ta)	1000	prepare_cede (struct transfer_args *ta)
978	{	1001	{
979	LOCK;	1002	api_ready (coro_current);
980	coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));
981	UNLOCK;
982		1003
983	prepare_schedule (ta);	1004	prepare_schedule (ta);
984	}	1005	}
985		1006
986	static void	1007	static void
987	api_schedule (void)	1008	api_schedule (void)
988	{	1009	{
989	dTHX;
990	struct transfer_args ta;	1010	struct transfer_args ta;
991		1011
992	prepare_schedule (&ta);	1012	prepare_schedule (&ta);
993	TRANSFER (ta);	1013	TRANSFER (ta);
994	}	1014	}
995		1015
996	static void	1016	static void
997	api_cede (void)	1017	api_cede (void)
998	{	1018	{
999	dTHX;
1000	struct transfer_args ta;	1019	struct transfer_args ta;
1001		1020
1002	prepare_cede (&ta);	1021	prepare_cede (&ta);
1003	TRANSFER (ta);	1022	TRANSFER (ta);
1004	}	1023	}
…		…
1036	HV *hv;	1055	HV *hv;
1037	int i;	1056	int i;
1038		1057
1039	Newz (0, coro, 1, struct coro);	1058	Newz (0, coro, 1, struct coro);
1040	coro->args = newAV ();	1059	coro->args = newAV ();
		1060	coro->flags = CF_NEW;
1041		1061
1042	hv = newHV ();	1062	hv = newHV ();
1043	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1063	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;
1044	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1064	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1045		1065
1046	for (i = 1; i < items; i++)	1066	for (i = 1; i < items; i++)
1047	av_push (coro->args, newSVsv (ST (i)));	1067	av_push (coro->args, newSVsv (ST (i)));
1048
1049	/coro->mainstack = 0; //actual work is done inside transfer /
1050	/coro->stack = 0;/
1051	}	1068	}
1052	OUTPUT:	1069	OUTPUT:
1053	RETVAL	1070	RETVAL
1054		1071
1055	void	1072	void
1056	_set_stacklevel (...)	1073	_set_stacklevel (...)
1057	ALIAS:	1074	ALIAS:
1058	Coro::State::transfer = 1	1075	Coro::State::transfer = 1
1059	Coro::schedule = 2	1076	Coro::schedule = 2
1060	Coro::cede = 3	1077	Coro::cede = 3
1061	Coro::Cont::yield = 4
1062	CODE:	1078	CODE:
1063	{	1079	{
1064	struct transfer_args ta;	1080	struct transfer_args ta;
1065		1081
1066	switch (ix)	1082	switch (ix)
1067	{	1083	{
1068	case 0:	1084	case 0:
1069	ta.prev = (struct coro )INT2PTR (coro_stack , SvIV (ST (0)));	1085	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1070	ta.next = 0;	1086	ta.next = 0;
1071	ta.flags = TRANSFER_SET_STACKLEVEL;	1087	ta.flags = TRANSFER_SET_STACKLEVEL;
1072	break;	1088	break;
1073		1089
1074	case 1:	1090	case 1:
1075	if (items != 3)	1091	if (items != 3)
1076	croak ("Coro::State::transfer(prev,next,flags) expects three arguments, not %d", items);	1092	croak ("Coro::State::transfer (prev,next,flags) expects three arguments, not %d", items);
1077		1093
1078	prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2)));	1094	prepare_transfer (&ta, ST (0), ST (1), SvIV (ST (2)));
1079	break;	1095	break;
1080		1096
1081	case 2:	1097	case 2:
…		…
1083	break;	1099	break;
1084		1100
1085	case 3:	1101	case 3:
1086	prepare_cede (&ta);	1102	prepare_cede (&ta);
1087	break;	1103	break;
1088
1089	case 4:
1090	{
1091	SV *yieldstack;
1092	SV *sv;
1093	AV *defav = GvAV (PL_defgv);
1094
1095	yieldstack = *hv_fetch (
1096	(HV *)SvRV (GvSV (coro_current)),
1097	"yieldstack", sizeof ("yieldstack") - 1,
1098	0
1099	);
1100
1101	/* set up @_ -- ugly */
1102	av_clear (defav);
1103	av_fill (defav, items - 1);
1104	while (items--)
1105	av_store (defav, items, SvREFCNT_inc (ST(items)));
1106
1107	sv = av_pop ((AV *)SvRV (yieldstack));
1108	ta.prev = SvSTATE (av_fetch ((AV )SvRV (sv), 0, 0));
1109	ta.next = SvSTATE (av_fetch ((AV )SvRV (sv), 1, 0));
1110	ta.flags = 0;
1111	SvREFCNT_dec (sv);
1112	}
1113	break;
1114
1115	}	1104	}
1116		1105
1117	TRANSFER (ta);	1106	TRANSFER (ta);
1118	}	1107	}
1119		1108
…		…
1134	int code	1123	int code
1135	PROTOTYPE: $	1124	PROTOTYPE: $
1136	CODE:	1125	CODE:
1137	_exit (code);	1126	_exit (code);
1138		1127
		1128	int
		1129	cctx_count ()
		1130	CODE:
		1131	RETVAL = cctx_count;
		1132	OUTPUT:
		1133	RETVAL
		1134
		1135	int
		1136	cctx_idle ()
		1137	CODE:
		1138	RETVAL = cctx_idle;
		1139	OUTPUT:
		1140	RETVAL
		1141
1139	MODULE = Coro::State PACKAGE = Coro	1142	MODULE = Coro::State PACKAGE = Coro
1140		1143
1141	BOOT:	1144	BOOT:
1142	{	1145	{
1143	int i;	1146	int i;
…		…
1149	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1152	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1150	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1153	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1151	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	1154	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1152	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	1155	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1153		1156
1154	coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);	1157	coro_current = get_sv ("Coro::current", FALSE);
1155	coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);	1158	SvREADONLY_on (coro_current);
1156		1159
1157	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1160	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1158	coro_ready[i] = newAV ();	1161	coro_ready[i] = newAV ();
1159		1162
1160	{	1163	{
1161	SV *sv = perl_get_sv("Coro::API", 1);	1164	SV *sv = perl_get_sv("Coro::API", 1);
1162		1165
1163	coroapi.schedule = api_schedule;	1166	coroapi.schedule = api_schedule;
1164	coroapi.cede = api_cede;	1167	coroapi.cede = api_cede;
1165	coroapi.ready = api_ready;	1168	coroapi.ready = api_ready;
		1169	coroapi.is_ready = api_is_ready;
1166	coroapi.nready = &coro_nready;	1170	coroapi.nready = &coro_nready;
1167	coroapi.current = coro_current;	1171	coroapi.current = coro_current;
1168		1172
1169	GCoroAPI = &coroapi;	1173	GCoroAPI = &coroapi;
1170	sv_setiv (sv, (IV)&coroapi);	1174	sv_setiv (sv, (IV)&coroapi);
…		…
1190		1194
1191	coro->prio = newprio;	1195	coro->prio = newprio;
1192	}	1196	}
1193	}	1197	}
1194		1198
1195	void	1199	SV *
1196	ready (SV *self)	1200	ready (SV *self)
1197	PROTOTYPE: $	1201	PROTOTYPE: $
1198	CODE:	1202	CODE:
1199	api_ready (self);	1203	RETVAL = boolSV (api_ready (self));
		1204	OUTPUT:
		1205	RETVAL
		1206
		1207	SV *
		1208	is_ready (SV *self)
		1209	PROTOTYPE: $
		1210	CODE:
		1211	RETVAL = boolSV (api_is_ready (self));
		1212	OUTPUT:
		1213	RETVAL
1200		1214
1201	int	1215	int
1202	nready (...)	1216	nready (...)
1203	PROTOTYPE:	1217	PROTOTYPE:
1204	CODE:	1218	CODE:
1205	RETVAL = coro_nready;	1219	RETVAL = coro_nready;
1206	OUTPUT:	1220	OUTPUT:
1207	RETVAL	1221	RETVAL
1208		1222
		1223	void
		1224	_set_current (SV *current)
		1225	PROTOTYPE: $
		1226	CODE:
		1227	SvREFCNT_dec (SvRV (coro_current));
		1228	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
		1229
1209	MODULE = Coro::State PACKAGE = Coro::AIO	1230	MODULE = Coro::State PACKAGE = Coro::AIO
1210		1231
1211	SV *	1232	SV *
1212	_get_state ()	1233	_get_state ()
1213	CODE:	1234	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.101 by root, Mon Nov 27 00:08:18 2006 UTC vs. Revision 1.119 by root, Sat Dec 2 15:41:28 2006 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.101 by root, Mon Nov 27 00:08:18 2006 UTC vs.
Revision 1.119 by root, Sat Dec 2 15:41:28 2006 UTC