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Comparing Coro/Coro/State.xs (file contents):
Revision 1.38 by root, Wed Nov 7 00:21:06 2001 UTC vs.
Revision 1.61 by root, Tue Aug 10 01:56:30 2004 UTC

1#define PERL_NO_GET_CONTEXT
2
1#include "EXTERN.h" 3#include "EXTERN.h"
2#include "perl.h" 4#include "perl.h"
3#include "XSUB.h" 5#include "XSUB.h"
6
7#include "patchlevel.h"
8
9#if PATCHLEVEL < 6
10# ifndef PL_ppaddr
11# define PL_ppaddr ppaddr
12# endif
13# ifndef call_sv
14# define call_sv perl_call_sv
15# endif
16# ifndef get_sv
17# define get_sv perl_get_sv
18# endif
19# ifndef get_cv
20# define get_cv perl_get_cv
21# endif
22# ifndef IS_PADGV
23# define IS_PADGV(v) 0
24# endif
25# ifndef IS_PADCONST
26# define IS_PADCONST(v) 0
27# endif
28#endif
4 29
5#include "libcoro/coro.c" 30#include "libcoro/coro.c"
6 31
7#include <signal.h> 32#include <signal.h>
8 33
… …
16# undef HAVE_MMAP 41# undef HAVE_MMAP
17# endif 42# endif
18# endif 43# endif
19#endif 44#endif
20 45
21#define MAY_FLUSH /* increases codesize and is rarely used */
22
23#define SUB_INIT "Coro::State::initialize" 46#define SUB_INIT "Coro::State::initialize"
24#define UCORO_STATE "_coro_state" 47#define UCORO_STATE "_coro_state"
25 48
26/* The next macro should declare a variable stacklevel that contains and approximation 49/* The next macro should declare a variable stacklevel that contains and approximation
27 * to the current C stack pointer. Its property is that it changes with each call 50 * to the current C stack pointer. Its property is that it changes with each call
… …
32 55
33#define labs(l) ((l) >= 0 ? (l) : -(l)) 56#define labs(l) ((l) >= 0 ? (l) : -(l))
34 57
35#include "CoroAPI.h" 58#include "CoroAPI.h"
36 59
60#ifdef USE_ITHREADS
61static perl_mutex coro_mutex;
62# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
63# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
64#else
65# define LOCK 0
66# define UNLOCK 0
67#endif
68
37static struct CoroAPI coroapi; 69static struct CoroAPI coroapi;
70static AV *main_mainstack; /* used to differentiate between $main and others */
71static HV *coro_state_stash;
72static SV *ucoro_state_sv;
73static U32 ucoro_state_hash;
74static SV *coro_mortal; /* will be freed after next transfer */
38 75
39/* this is actually not only the c stack but also c registers etc... */ 76/* this is actually not only the c stack but also c registers etc... */
40typedef struct { 77typedef struct {
41 int refcnt; /* pointer reference counter */ 78 int refcnt; /* pointer reference counter */
42 int usecnt; /* shared by how many coroutines */ 79 int usecnt; /* shared by how many coroutines */
… …
47 void *sptr; 84 void *sptr;
48 long ssize; /* positive == mmap, otherwise malloc */ 85 long ssize; /* positive == mmap, otherwise malloc */
49} coro_stack; 86} coro_stack;
50 87
51struct coro { 88struct coro {
89 /* the top-level JMPENV for each coroutine, needed to catch dies. */
90 JMPENV start_env;
91
52 /* the optional C context */ 92 /* the optional C context */
53 coro_stack *stack; 93 coro_stack *stack;
54 void *cursp; 94 void *cursp;
55 int gencnt; 95 int gencnt;
56 96
57 /* optionally saved, might be zero */ 97 /* optionally saved, might be zero */
58 AV *defav; 98 AV *defav;
59 SV *defsv; 99 SV *defsv;
60 SV *errsv; 100 SV *errsv;
61 /* TODO: PL_pmop might be nice && effortless to save. */
62 101
63 /* saved global state not related to stacks */ 102 /* saved global state not related to stacks */
64 U8 dowarn; 103 U8 dowarn;
65 I32 in_eval; 104 I32 in_eval;
66 105
… …
69 AV *curstack; 108 AV *curstack;
70 AV *mainstack; 109 AV *mainstack;
71 SV **stack_sp; 110 SV **stack_sp;
72 OP *op; 111 OP *op;
73 SV **curpad; 112 SV **curpad;
113 AV *comppad;
74 SV **stack_base; 114 SV **stack_base;
75 SV **stack_max; 115 SV **stack_max;
76 SV **tmps_stack; 116 SV **tmps_stack;
77 I32 tmps_floor; 117 I32 tmps_floor;
78 I32 tmps_ix; 118 I32 tmps_ix;
… …
97}; 137};
98 138
99typedef struct coro *Coro__State; 139typedef struct coro *Coro__State;
100typedef struct coro *Coro__State_or_hashref; 140typedef struct coro *Coro__State_or_hashref;
101 141
102static AV *main_mainstack; /* used to differentiate between $main and others */
103static HV *coro_state_stash;
104static SV *ucoro_state_sv;
105static U32 ucoro_state_hash;
106static HV *padlist_cache;
107
108/* mostly copied from op.c:cv_clone2 */ 142/* mostly copied from op.c:cv_clone2 */
109STATIC AV * 143STATIC AV *
110clone_padlist (AV *protopadlist) 144clone_padlist (pTHX_ AV *protopadlist)
111{ 145{
112 AV *av; 146 AV *av;
113 I32 ix; 147 I32 ix;
114 AV *protopad_name = (AV *) * av_fetch (protopadlist, 0, FALSE); 148 AV *protopad_name = (AV *) * av_fetch (protopadlist, 0, FALSE);
115 AV *protopad = (AV *) * av_fetch (protopadlist, 1, FALSE); 149 AV *protopad = (AV *) * av_fetch (protopadlist, 1, FALSE);
… …
139 AvFLAGS (av) = AVf_REIFY; 173 AvFLAGS (av) = AVf_REIFY;
140 174
141 for (ix = fpad; ix > 0; ix--) 175 for (ix = fpad; ix > 0; ix--)
142 { 176 {
143 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; 177 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
178
144 if (namesv && namesv != &PL_sv_undef) 179 if (namesv && namesv != &PL_sv_undef)
145 { 180 {
146 char *name = SvPVX (namesv); /* XXX */ 181 char *name = SvPVX (namesv); /* XXX */
182
147 if (SvFLAGS (namesv) & SVf_FAKE || *name == '&') 183 if (SvFLAGS (namesv) & SVf_FAKE || *name == '&')
148 { /* lexical from outside? */ 184 { /* lexical from outside? */
149 npad[ix] = SvREFCNT_inc (ppad[ix]); 185 npad[ix] = SvREFCNT_inc (ppad[ix]);
150 } 186 }
151 else 187 else
… …
157 sv = (SV *) newAV (); 193 sv = (SV *) newAV ();
158 else if (*name == '%') 194 else if (*name == '%')
159 sv = (SV *) newHV (); 195 sv = (SV *) newHV ();
160 else 196 else
161 sv = NEWSV (0, 0); 197 sv = NEWSV (0, 0);
198
199#ifdef SvPADBUSY
162 if (!SvPADBUSY (sv)) 200 if (!SvPADBUSY (sv))
201#endif
163 SvPADMY_on (sv); 202 SvPADMY_on (sv);
203
164 npad[ix] = sv; 204 npad[ix] = sv;
165 } 205 }
166 } 206 }
167 else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix])) 207 else if (IS_PADGV (ppad[ix]) || IS_PADCONST (ppad[ix]))
168 { 208 {
… …
197#endif 237#endif
198 238
199 return newpadlist; 239 return newpadlist;
200} 240}
201 241
202#ifdef MAY_FLUSH
203STATIC void 242STATIC void
204free_padlist (AV *padlist) 243free_padlist (pTHX_ AV *padlist)
205{ 244{
206 /* may be during global destruction */ 245 /* may be during global destruction */
207 if (SvREFCNT(padlist)) 246 if (SvREFCNT (padlist))
208 { 247 {
209 I32 i = AvFILLp(padlist); 248 I32 i = AvFILLp (padlist);
210 while (i >= 0) 249 while (i >= 0)
211 { 250 {
212 SV **svp = av_fetch(padlist, i--, FALSE); 251 SV **svp = av_fetch (padlist, i--, FALSE);
213 SV *sv = svp ? *svp : Nullsv;
214 if (sv) 252 if (svp)
253 {
254 SV *sv;
255 while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))
215 SvREFCNT_dec(sv); 256 SvREFCNT_dec (sv);
257
258 SvREFCNT_dec (*svp);
259 }
216 } 260 }
217 261
218 SvREFCNT_dec((SV*)padlist); 262 SvREFCNT_dec ((SV*)padlist);
219 } 263 }
220} 264}
221#endif 265
266STATIC int
267coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
268{
269 AV *padlist;
270 AV *av = (AV *)mg->mg_obj;
271
272 /* casting is fun. */
273 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
274 free_padlist (aTHX_ padlist);
275
276 SvREFCNT_dec (av);
277}
278
279#define PERL_MAGIC_coro PERL_MAGIC_ext
280
281static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
222 282
223/* the next two functions merely cache the padlists */ 283/* the next two functions merely cache the padlists */
224STATIC void 284STATIC void
225get_padlist (CV *cv) 285get_padlist (pTHX_ CV *cv)
226{ 286{
227 SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 0); 287 MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
228 288
229 if (he && AvFILLp ((AV *)*he) >= 0) 289 if (mg && AvFILLp ((AV *)mg->mg_obj) >= 0)
230 CvPADLIST (cv) = (AV *)av_pop ((AV *)*he); 290 CvPADLIST (cv) = (AV *)av_pop ((AV *)mg->mg_obj);
231 else 291 else
232 CvPADLIST (cv) = clone_padlist (CvPADLIST (cv)); 292 CvPADLIST (cv) = clone_padlist (aTHX_ CvPADLIST (cv));
233} 293}
234 294
235STATIC void 295STATIC void
236put_padlist (CV *cv) 296put_padlist (pTHX_ CV *cv)
237{ 297{
238 SV **he = hv_fetch (padlist_cache, (void *)&cv, sizeof (CV *), 1); 298 MAGIC *mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
239 299
240 if (SvTYPE (*he) != SVt_PVAV) 300 if (!mg)
241 { 301 {
242 SvREFCNT_dec (*he); 302 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
303 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
304 mg->mg_virtual = &vtbl_coro;
243 *he = (SV *)newAV (); 305 mg->mg_obj = (SV *)newAV ();
244 } 306 }
245 307
246 av_push ((AV *)*he, (SV *)CvPADLIST (cv)); 308 av_push ((AV *)mg->mg_obj, (SV *)CvPADLIST (cv));
247} 309}
248
249#ifdef MAY_FLUSH
250STATIC void
251flush_padlist_cache ()
252{
253 HV *hv = padlist_cache;
254 padlist_cache = newHV ();
255
256 if (hv_iterinit (hv))
257 {
258 HE *he;
259 AV *padlist;
260
261 while (!!(he = hv_iternext (hv)))
262 {
263 AV *av = (AV *)HeVAL(he);
264
265 /* casting is fun. */
266 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
267 free_padlist (padlist);
268 }
269 }
270
271 SvREFCNT_dec (hv);
272}
273#endif
274 310
275#define SB do { 311#define SB do {
276#define SE } while (0) 312#define SE } while (0)
277 313
278#define LOAD(state) load_state(aTHX_ (state)); 314#define LOAD(state) load_state(aTHX_ (state));
279#define SAVE(state,flags) save_state(aTHX_ (state),(flags)); 315#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
280 316
281#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE 317#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); (val) = 0; SE
282 318
283static void 319static void
284load_state(pTHX_ Coro__State c) 320load_state(pTHX_ Coro__State c)
285{ 321{
286 PL_dowarn = c->dowarn; 322 PL_dowarn = c->dowarn;
… …
290 PL_curstack = c->curstack; 326 PL_curstack = c->curstack;
291 PL_mainstack = c->mainstack; 327 PL_mainstack = c->mainstack;
292 PL_stack_sp = c->stack_sp; 328 PL_stack_sp = c->stack_sp;
293 PL_op = c->op; 329 PL_op = c->op;
294 PL_curpad = c->curpad; 330 PL_curpad = c->curpad;
331 PL_comppad = c->comppad;
295 PL_stack_base = c->stack_base; 332 PL_stack_base = c->stack_base;
296 PL_stack_max = c->stack_max; 333 PL_stack_max = c->stack_max;
297 PL_tmps_stack = c->tmps_stack; 334 PL_tmps_stack = c->tmps_stack;
298 PL_tmps_floor = c->tmps_floor; 335 PL_tmps_floor = c->tmps_floor;
299 PL_tmps_ix = c->tmps_ix; 336 PL_tmps_ix = c->tmps_ix;
… …
326 { 363 {
327 AV *padlist = (AV *)POPs; 364 AV *padlist = (AV *)POPs;
328 365
329 if (padlist) 366 if (padlist)
330 { 367 {
331 put_padlist (cv); /* mark this padlist as available */ 368 put_padlist (aTHX_ cv); /* mark this padlist as available */
332 CvPADLIST(cv) = padlist; 369 CvPADLIST(cv) = padlist;
333#ifdef USE_THREADS
334 /*CvOWNER(cv) = (struct perl_thread *)POPs;*/
335#endif
336 } 370 }
337 371
338 ++CvDEPTH(cv); 372 ++CvDEPTH(cv);
339 } 373 }
340 374
… …
367 if (CxTYPE(cx) == CXt_SUB) 401 if (CxTYPE(cx) == CXt_SUB)
368 { 402 {
369 CV *cv = cx->blk_sub.cv; 403 CV *cv = cx->blk_sub.cv;
370 if (CvDEPTH(cv)) 404 if (CvDEPTH(cv))
371 { 405 {
372#ifdef USE_THREADS
373 /*XPUSHs ((SV *)CvOWNER(cv));*/
374 /*CvOWNER(cv) = 0;*/
375 /*error must unlock this cv etc.. etc...*/
376#endif
377 EXTEND (SP, CvDEPTH(cv)*2); 406 EXTEND (SP, CvDEPTH(cv)*2);
378 407
379 while (--CvDEPTH(cv)) 408 while (--CvDEPTH(cv))
380 { 409 {
381 /* this tells the restore code to increment CvDEPTH */ 410 /* this tells the restore code to increment CvDEPTH */
… …
384 } 413 }
385 414
386 PUSHs ((SV *)CvPADLIST(cv)); 415 PUSHs ((SV *)CvPADLIST(cv));
387 PUSHs ((SV *)cv); 416 PUSHs ((SV *)cv);
388 417
389 get_padlist (cv); /* this is a monster */ 418 get_padlist (aTHX_ cv); /* this is a monster */
390 } 419 }
391 } 420 }
421#ifdef CXt_FORMAT
392 else if (CxTYPE(cx) == CXt_FORMAT) 422 else if (CxTYPE(cx) == CXt_FORMAT)
393 { 423 {
394 /* I never used formats, so how should I know how these are implemented? */ 424 /* I never used formats, so how should I know how these are implemented? */
395 /* my bold guess is as a simple, plain sub... */ 425 /* my bold guess is as a simple, plain sub... */
396 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats"); 426 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
397 } 427 }
428#endif
398 } 429 }
399 430
400 if (top_si->si_type == PERLSI_MAIN) 431 if (top_si->si_type == PERLSI_MAIN)
401 break; 432 break;
402 433
… …
419 c->curstack = PL_curstack; 450 c->curstack = PL_curstack;
420 c->mainstack = PL_mainstack; 451 c->mainstack = PL_mainstack;
421 c->stack_sp = PL_stack_sp; 452 c->stack_sp = PL_stack_sp;
422 c->op = PL_op; 453 c->op = PL_op;
423 c->curpad = PL_curpad; 454 c->curpad = PL_curpad;
455 c->comppad = PL_comppad;
424 c->stack_base = PL_stack_base; 456 c->stack_base = PL_stack_base;
425 c->stack_max = PL_stack_max; 457 c->stack_max = PL_stack_max;
426 c->tmps_stack = PL_tmps_stack; 458 c->tmps_stack = PL_tmps_stack;
427 c->tmps_floor = PL_tmps_floor; 459 c->tmps_floor = PL_tmps_floor;
428 c->tmps_ix = PL_tmps_ix; 460 c->tmps_ix = PL_tmps_ix;
… …
444} 476}
445 477
446/* 478/*
447 * allocate various perl stacks. This is an exact copy 479 * allocate various perl stacks. This is an exact copy
448 * of perl.c:init_stacks, except that it uses less memory 480 * of perl.c:init_stacks, except that it uses less memory
449 * on the assumption that coroutines do not usually need 481 * on the (sometimes correct) assumption that coroutines do
450 * a lot of stackspace. 482 * not usually need a lot of stackspace.
451 */ 483 */
452STATIC void 484STATIC void
453coro_init_stacks (pTHX) 485coro_init_stacks (pTHX)
454{ 486{
487 LOCK;
488
455 PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1); 489 PL_curstackinfo = new_stackinfo(96, 1024/sizeof(PERL_CONTEXT) - 1);
456 PL_curstackinfo->si_type = PERLSI_MAIN; 490 PL_curstackinfo->si_type = PERLSI_MAIN;
457 PL_curstack = PL_curstackinfo->si_stack; 491 PL_curstack = PL_curstackinfo->si_stack;
458 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 492 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
459 493
… …
468 502
469 New(54,PL_markstack,16,I32); 503 New(54,PL_markstack,16,I32);
470 PL_markstack_ptr = PL_markstack; 504 PL_markstack_ptr = PL_markstack;
471 PL_markstack_max = PL_markstack + 16; 505 PL_markstack_max = PL_markstack + 16;
472 506
507#ifdef SET_MARK_OFFSET
473 SET_MARK_OFFSET; 508 SET_MARK_OFFSET;
509#endif
474 510
475 New(54,PL_scopestack,16,I32); 511 New(54,PL_scopestack,16,I32);
476 PL_scopestack_ix = 0; 512 PL_scopestack_ix = 0;
477 PL_scopestack_max = 16; 513 PL_scopestack_max = 16;
478 514
… …
481 PL_savestack_max = 96; 517 PL_savestack_max = 96;
482 518
483 New(54,PL_retstack,8,OP*); 519 New(54,PL_retstack,8,OP*);
484 PL_retstack_ix = 0; 520 PL_retstack_ix = 0;
485 PL_retstack_max = 8; 521 PL_retstack_max = 8;
522
523 UNLOCK;
486} 524}
487 525
488/* 526/*
489 * destroy the stacks, the callchain etc... 527 * destroy the stacks, the callchain etc...
490 * still there is a memleak of 128 bytes...
491 */ 528 */
492STATIC void 529STATIC void
493destroy_stacks(pTHX) 530destroy_stacks(pTHX)
494{ 531{
495 if (!IN_DESTRUCT) 532 if (!IN_DESTRUCT)
496 { 533 {
497 /* is this ugly, I ask? */ 534 /* is this ugly, I ask? */
498 while (PL_scopestack_ix) 535 LEAVE_SCOPE (0);
499 LEAVE;
500 536
501 /* sure it is, but more important: is it correct?? :/ */ 537 /* sure it is, but more important: is it correct?? :/ */
502 while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
503 FREETMPS; 538 FREETMPS;
539
540 /*POPSTACK_TO (PL_mainstack);*//*D*//*use*/
504 } 541 }
505 542
506 while (PL_curstackinfo->si_next) 543 while (PL_curstackinfo->si_next)
507 PL_curstackinfo = PL_curstackinfo->si_next; 544 PL_curstackinfo = PL_curstackinfo->si_next;
508 545
509 while (PL_curstackinfo) 546 while (PL_curstackinfo)
510 { 547 {
511 PERL_SI *p = PL_curstackinfo->si_prev; 548 PERL_SI *p = PL_curstackinfo->si_prev;
512 549
513 { 550 { /*D*//*remove*/
514 dSP; 551 dSP;
515 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack); 552 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
516 PUTBACK; /* possibly superfluous */ 553 PUTBACK; /* possibly superfluous */
517 } 554 }
518 555
519 if (!IN_DESTRUCT) 556 if (!IN_DESTRUCT)
520 { 557 {
521 dounwind(-1); 558 dounwind (-1);/*D*//*remove*/
522 SvREFCNT_dec(PL_curstackinfo->si_stack); 559 SvREFCNT_dec (PL_curstackinfo->si_stack);
523 } 560 }
524 561
525 Safefree(PL_curstackinfo->si_cxstack); 562 Safefree (PL_curstackinfo->si_cxstack);
526 Safefree(PL_curstackinfo); 563 Safefree (PL_curstackinfo);
527 PL_curstackinfo = p; 564 PL_curstackinfo = p;
528 } 565 }
529 566
530 Safefree(PL_tmps_stack); 567 Safefree (PL_tmps_stack);
531 Safefree(PL_markstack); 568 Safefree (PL_markstack);
532 Safefree(PL_scopestack); 569 Safefree (PL_scopestack);
533 Safefree(PL_savestack); 570 Safefree (PL_savestack);
534 Safefree(PL_retstack); 571 Safefree (PL_retstack);
535} 572}
536 573
537static void 574static void
538allocate_stack (Coro__State ctx, int alloc) 575allocate_stack (Coro__State ctx, int alloc)
539{ 576{
… …
542 New (0, stack, 1, coro_stack); 579 New (0, stack, 1, coro_stack);
543 580
544 stack->refcnt = 1; 581 stack->refcnt = 1;
545 stack->usecnt = 1; 582 stack->usecnt = 1;
546 stack->gencnt = ctx->gencnt = 0; 583 stack->gencnt = ctx->gencnt = 0;
584
547 if (alloc) 585 if (alloc)
548 { 586 {
549#if HAVE_MMAP 587#if HAVE_MMAP
550 stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */ 588 stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */
551 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 589 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
552 if (stack->sptr == (void *)-1) 590 if (stack->sptr == (void *)-1)
553#endif 591#endif
554 { 592 {
555 /*FIXME*//*D*//* reasonable stack size! */ 593 /*FIXME*//*D*//* reasonable stack size! */
556 stack->ssize = -4096 * sizeof (long); 594 stack->ssize = - (8192 * sizeof (long));
557 New (0, stack->sptr, 4096, long); 595 New (0, stack->sptr, 8192, long);
558 } 596 }
559 } 597 }
560 else 598 else
561 stack->sptr = 0; 599 stack->sptr = 0;
562 600
… …
576 { 614 {
577#ifdef HAVE_MMAP 615#ifdef HAVE_MMAP
578 if (stack->ssize > 0 && stack->sptr) 616 if (stack->ssize > 0 && stack->sptr)
579 munmap (stack->sptr, stack->ssize); 617 munmap (stack->sptr, stack->ssize);
580 else 618 else
581#else 619#endif
582 Safefree (stack->sptr); 620 Safefree (stack->sptr);
583#endif 621
584 Safefree (stack); 622 Safefree (stack);
585 } 623 }
586 else if (ctx->gencnt == stack->gencnt) 624 else if (ctx->gencnt == stack->gencnt)
587 --stack->usecnt; 625 --stack->usecnt;
588 } 626 }
… …
592setup_coro (void *arg) 630setup_coro (void *arg)
593{ 631{
594 /* 632 /*
595 * emulate part of the perl startup here. 633 * emulate part of the perl startup here.
596 */ 634 */
635 dTHX;
597 dSP; 636 dSP;
598 Coro__State ctx = (Coro__State)arg; 637 Coro__State ctx = (Coro__State)arg;
599 SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE); 638 SV *sub_init = (SV *)get_cv (SUB_INIT, FALSE);
600 639
601 coro_init_stacks (aTHX); 640 coro_init_stacks (aTHX);
602 /*PL_curcop = 0;*/ 641 /*PL_curcop = 0;*/
603 /*PL_in_eval = PL_in_eval;*/ /* inherit */ 642 /*PL_in_eval = PL_in_eval;*/ /* inherit */
604 SvREFCNT_dec (GvAV (PL_defgv)); 643 SvREFCNT_dec (GvAV (PL_defgv));
605 GvAV (PL_defgv) = ctx->args; 644 GvAV (PL_defgv) = ctx->args; ctx->args = 0;
606 645
607 SPAGAIN; 646 SPAGAIN;
608 647
609 if (ctx->stack) 648 if (ctx->stack)
610 { 649 {
… …
637 * that doesn't matter, though, since it is only 676 * that doesn't matter, though, since it is only
638 * pp_nextstate and we never return... 677 * pp_nextstate and we never return...
639 * ah yes, and I don't care anyways ;) 678 * ah yes, and I don't care anyways ;)
640 */ 679 */
641 PUTBACK; 680 PUTBACK;
642 PL_op = pp_entersub(); 681 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
643 SPAGAIN; 682 SPAGAIN;
644 683
645 ENTER; /* necessary e.g. for dounwind */ 684 ENTER; /* necessary e.g. for dounwind */
646 } 685 }
647} 686}
… …
650continue_coro (void *arg) 689continue_coro (void *arg)
651{ 690{
652 /* 691 /*
653 * this is a _very_ stripped down perl interpreter ;) 692 * this is a _very_ stripped down perl interpreter ;)
654 */ 693 */
694 dTHX;
655 Coro__State ctx = (Coro__State)arg; 695 Coro__State ctx = (Coro__State)arg;
656 JMPENV coro_start_env; 696 JMPENV coro_start_env;
657 697
658 /* same as JMPENV_BOOTSTRAP */
659 Zero(&coro_start_env, 1, JMPENV);
660 coro_start_env.je_ret = -1;
661 coro_start_env.je_mustcatch = TRUE;
662 PL_top_env = &coro_start_env; 698 PL_top_env = &ctx->start_env;
663 699
664 ctx->cursp = 0; 700 ctx->cursp = 0;
665 PL_op = PL_op->op_next; 701 PL_op = PL_op->op_next;
666 CALLRUNOPS(aTHX); 702 CALLRUNOPS(aTHX);
667 703
668 abort (); 704 abort ();
669} 705}
670 706
671STATIC void 707STATIC void
672transfer(pTHX_ struct coro *prev, struct coro *next, int flags) 708transfer (pTHX_ struct coro *prev, struct coro *next, int flags)
673{ 709{
674 dSTACKLEVEL; 710 dSTACKLEVEL;
675 static struct coro *xnext;
676 711
677 if (prev != next) 712 if (prev != next)
678 { 713 {
679 xnext = next;
680
681 if (next->mainstack) 714 if (next->mainstack)
682 { 715 {
716 LOCK;
683 SAVE (prev, flags); 717 SAVE (prev, flags);
684 LOAD (next); 718 LOAD (next);
719 UNLOCK;
685 720
686 /* mark this state as in-use */ 721 /* mark this state as in-use */
687 next->mainstack = 0; 722 next->mainstack = 0;
688 next->tmps_ix = -2; 723 next->tmps_ix = -2;
689 724
… …
708 continue_coro, (void *)next, 743 continue_coro, (void *)next,
709 next->stack->sptr, labs (next->stack->ssize)); 744 next->stack->sptr, labs (next->stack->ssize));
710 } 745 }
711 746
712 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 747 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
748 prev->cursp = stacklevel;
713 /* don't add any code here */ 749 /* don't add any code here */
714 } 750 }
715 751 else
752 next->cursp = stacklevel;
716 } 753 }
717 else if (next->tmps_ix == -2) 754 else if (next->tmps_ix == -2)
718 croak ("tried to transfer to running coroutine"); 755 croak ("tried to transfer to running coroutine");
719 else 756 else
720 { 757 {
758 LOCK;
721 SAVE (prev, -1); /* first get rid of the old state */ 759 SAVE (prev, -1); /* first get rid of the old state */
760 UNLOCK;
722 761
723 if (flags & TRANSFER_SAVE_CCTXT) 762 if (flags & TRANSFER_SAVE_CCTXT)
724 { 763 {
725 if (!prev->stack) 764 if (!prev->stack)
726 allocate_stack (prev, 0); 765 allocate_stack (prev, 0);
727 766
728 if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK) 767 if (prev->stack->sptr && flags & TRANSFER_LAZY_STACK)
729 { 768 {
769 PL_top_env = &next->start_env;
770
730 setup_coro (next); 771 setup_coro (next);
772 next->cursp = stacklevel;
731 773
732 prev->stack->refcnt++; 774 prev->stack->refcnt++;
733 prev->stack->usecnt++; 775 prev->stack->usecnt++;
734 next->stack = prev->stack; 776 next->stack = prev->stack;
735 next->gencnt = prev->gencnt; 777 next->gencnt = prev->gencnt;
736 } 778 }
737 else 779 else
738 { 780 {
781 assert (!next->stack);
739 allocate_stack (next, 1); 782 allocate_stack (next, 1);
740 coro_create (&(next->stack->cctx), 783 coro_create (&(next->stack->cctx),
741 setup_coro, (void *)next, 784 setup_coro, (void *)next,
742 next->stack->sptr, labs (next->stack->ssize)); 785 next->stack->sptr, labs (next->stack->ssize));
743 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 786 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
787 prev->cursp = stacklevel;
744 /* don't add any code here */ 788 /* don't add any code here */
745 } 789 }
746 } 790 }
747 else 791 else
792 {
748 setup_coro (next); 793 setup_coro (next);
794 next->cursp = stacklevel;
795 }
749 } 796 }
750
751 /*
752 * xnext is now either prev or next, depending on wether
753 * we switched the c stack or not. that's why i use a global
754 * variable, that should become thread-specific at one point.
755 */
756 xnext->cursp = stacklevel;
757 } 797 }
758}
759 798
760static struct coro * 799 LOCK;
761sv_to_coro (SV *arg, const char *funcname, const char *varname) 800 if (coro_mortal)
762{
763 if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVHV)
764 { 801 {
765 HE *he = hv_fetch_ent((HV *)SvRV(arg), ucoro_state_sv, 0, ucoro_state_hash); 802 SvREFCNT_dec (coro_mortal);
766 803 coro_mortal = 0;
767 if (!he)
768 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", funcname, varname);
769
770 arg = HeVAL(he);
771 } 804 }
772 805 UNLOCK;
806}
807
808#define SV_CORO(sv,func) \
809 do { \
810 if (SvROK (sv)) \
811 sv = SvRV (sv); \
812 \
813 if (SvTYPE (sv) == SVt_PVHV) \
814 { \
815 HE *he = hv_fetch_ent ((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \
816 \
817 if (!he) \
818 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
819 \
820 (sv) = SvRV (HeVAL(he)); \
821 } \
822 \
773 /* must also be changed inside Coro::Cont::yield */ 823 /* must also be changed inside Coro::Cont::yield */ \
774 if (SvROK(arg) && SvOBJECT(SvRV(arg)) 824 if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \
775 && SvSTASH(SvRV(arg)) == coro_state_stash)
776 return (struct coro *) SvIV((SV*)SvRV(arg));
777
778 croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname); 825 croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
779 /*NORETURN*/ 826 \
780} 827 } while(0)
828
829#define SvSTATE(sv) (struct coro *)SvIV (sv)
781 830
782static void 831static void
783api_transfer(pTHX_ SV *prev, SV *next, int flags) 832api_transfer(pTHX_ SV *prev, SV *next, int flags)
784{ 833{
785 transfer(aTHX_ 834 SV_CORO (prev, "Coro::transfer");
786 sv_to_coro (prev, "Coro::transfer", "prev"), 835 SV_CORO (next, "Coro::transfer");
787 sv_to_coro (next, "Coro::transfer", "next"), 836
788 flags); 837 transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
789} 838}
790 839
791/** Coro ********************************************************************/ 840/** Coro ********************************************************************/
792 841
793#define PRIO_MAX 3 842#define PRIO_MAX 3
… …
801static GV *coro_current, *coro_idle; 850static GV *coro_current, *coro_idle;
802static AV *coro_ready[PRIO_MAX-PRIO_MIN+1]; 851static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
803static int coro_nready; 852static int coro_nready;
804 853
805static void 854static void
806coro_enq (SV *sv) 855coro_enq (pTHX_ SV *sv)
807{ 856{
808 if (SvROK (sv)) 857 if (SvTYPE (sv) == SVt_PVHV)
809 { 858 {
810 SV *hv = SvRV (sv);
811 if (SvTYPE (hv) == SVt_PVHV)
812 {
813 SV **xprio = hv_fetch ((HV *)hv, "prio", 4, 0); 859 SV **xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
814 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL; 860 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
815 861
816 prio = prio > PRIO_MAX ? PRIO_MAX 862 prio = prio > PRIO_MAX ? PRIO_MAX
817 : prio < PRIO_MIN ? PRIO_MIN 863 : prio < PRIO_MIN ? PRIO_MIN
818 : prio; 864 : prio;
819 865
820 av_push (coro_ready [prio - PRIO_MIN], sv); 866 av_push (coro_ready [prio - PRIO_MIN], sv);
821 coro_nready++; 867 coro_nready++;
822 868
823 return; 869 return;
824 }
825 } 870 }
826 871
827 croak ("Coro::ready tried to enqueue something that is not a coroutine"); 872 croak ("Coro::ready tried to enqueue something that is not a coroutine");
828} 873}
829 874
830static SV * 875static SV *
831coro_deq (int min_prio) 876coro_deq (pTHX_ int min_prio)
832{ 877{
833 int prio = PRIO_MAX - PRIO_MIN; 878 int prio = PRIO_MAX - PRIO_MIN;
834 879
835 min_prio -= PRIO_MIN; 880 min_prio -= PRIO_MIN;
836 if (min_prio < 0) 881 if (min_prio < 0)
… …
847} 892}
848 893
849static void 894static void
850api_ready (SV *coro) 895api_ready (SV *coro)
851{ 896{
897 dTHX;
898
899 if (SvROK (coro))
900 coro = SvRV (coro);
901
902 LOCK;
852 coro_enq (SvREFCNT_inc (coro)); 903 coro_enq (aTHX_ SvREFCNT_inc (coro));
904 UNLOCK;
853} 905}
854 906
855static void 907static void
856api_schedule (int cede) 908api_schedule (void)
857{ 909{
910 dTHX;
911
858 SV *prev, *next; 912 SV *prev, *next;
859 913
914 LOCK;
915
860 prev = GvSV (coro_current); 916 prev = SvRV (GvSV (coro_current));
861
862 if (cede)
863 coro_enq (SvREFCNT_inc (prev));
864
865 next = coro_deq (PRIO_MIN); 917 next = coro_deq (aTHX_ PRIO_MIN);
866 918
867 if (!next) 919 if (!next)
868 next = SvREFCNT_inc (GvSV (coro_idle)); 920 next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
869 921
870 GvSV (coro_current) = SvREFCNT_inc (next); 922 /* free this only after the transfer */
871 transfer (aTHX_ 923 coro_mortal = prev;
872 sv_to_coro (prev, "Coro::schedule", "current coroutine"), 924 SV_CORO (prev, "Coro::schedule");
873 sv_to_coro (next, "Coro::schedule", "next coroutine"), 925
926 SvRV (GvSV (coro_current)) = next;
927
928 SV_CORO (next, "Coro::schedule");
929
930 UNLOCK;
931
932 transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
874 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK); 933 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK);
875 SvREFCNT_dec (next); 934}
876 SvREFCNT_dec (prev); 935
936static void
937api_cede (void)
938{
939 dTHX;
940
941 LOCK;
942 coro_enq (aTHX_ SvREFCNT_inc (SvRV (GvSV (coro_current))));
943 UNLOCK;
944
945 api_schedule ();
877} 946}
878 947
879MODULE = Coro::State PACKAGE = Coro::State 948MODULE = Coro::State PACKAGE = Coro::State
880 949
881PROTOTYPES: ENABLE 950PROTOTYPES: ENABLE
882 951
883BOOT: 952BOOT:
884{ /* {} necessary for stoopid perl-5.6.x */ 953{ /* {} necessary for stoopid perl-5.6.x */
954#ifdef USE_ITHREADS
955 MUTEX_INIT (&coro_mutex);
956#endif
957
885 ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1); 958 ucoro_state_sv = newSVpv (UCORO_STATE, sizeof(UCORO_STATE) - 1);
886 PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1); 959 PERL_HASH(ucoro_state_hash, UCORO_STATE, sizeof(UCORO_STATE) - 1);
887 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 960 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
888 961
889 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV)); 962 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
890 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV)); 963 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
891 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV)); 964 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
892 newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT)); 965 newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
893
894 if (!padlist_cache)
895 padlist_cache = newHV ();
896 966
897 main_mainstack = PL_mainstack; 967 main_mainstack = PL_mainstack;
898 968
899 coroapi.ver = CORO_API_VERSION; 969 coroapi.ver = CORO_API_VERSION;
900 coroapi.transfer = api_transfer; 970 coroapi.transfer = api_transfer;
… …
908 Coro__State coro; 978 Coro__State coro;
909 979
910 if (!SvROK (args) || SvTYPE (SvRV (args)) != SVt_PVAV) 980 if (!SvROK (args) || SvTYPE (SvRV (args)) != SVt_PVAV)
911 croak ("Coro::State::_newprocess expects an arrayref"); 981 croak ("Coro::State::_newprocess expects an arrayref");
912 982
913 New (0, coro, 1, struct coro); 983 Newz (0, coro, 1, struct coro);
914 984
915 coro->args = (AV *)SvREFCNT_inc (SvRV (args)); 985 coro->args = (AV *)SvREFCNT_inc (SvRV (args));
916 coro->mainstack = 0; /* actual work is done inside transfer */ 986 /*coro->mainstack = 0; *//*actual work is done inside transfer */
917 coro->stack = 0; 987 /*coro->stack = 0;*/
988
989 /* same as JMPENV_BOOTSTRAP */
990 /* we might be able to recycle start_env, but safe is safe */
991 /*Zero(&coro->start_env, 1, JMPENV);*/
992 coro->start_env.je_ret = -1;
993 coro->start_env.je_mustcatch = TRUE;
918 994
919 RETVAL = coro; 995 RETVAL = coro;
920 OUTPUT: 996 OUTPUT:
921 RETVAL 997 RETVAL
922 998
923void 999void
924transfer(prev, next, flags) 1000transfer(prev, next, flags)
925 Coro::State_or_hashref prev 1001 SV *prev
926 Coro::State_or_hashref next 1002 SV *next
927 int flags 1003 int flags
928 PROTOTYPE: @ 1004 PROTOTYPE: @
929 CODE: 1005 CODE:
930 PUTBACK; 1006 PUTBACK;
1007 SV_CORO (next, "Coro::transfer");
1008 SV_CORO (prev, "Coro::transfer");
931 transfer (aTHX_ prev, next, flags); 1009 transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
932 SPAGAIN; 1010 SPAGAIN;
933 1011
934void 1012void
935DESTROY(coro) 1013DESTROY(coro)
936 Coro::State coro 1014 Coro::State coro
… …
939 if (coro->mainstack && coro->mainstack != main_mainstack) 1017 if (coro->mainstack && coro->mainstack != main_mainstack)
940 { 1018 {
941 struct coro temp; 1019 struct coro temp;
942 1020
943 PUTBACK; 1021 PUTBACK;
944 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL); 1022 SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL);
945 LOAD(aTHX_ coro); 1023 LOAD (aTHX_ coro);
946 SPAGAIN; 1024 SPAGAIN;
947 1025
948 destroy_stacks (aTHX); 1026 destroy_stacks (aTHX);
949 1027
950 LOAD((&temp)); /* this will get rid of defsv etc.. */ 1028 LOAD ((&temp)); /* this will get rid of defsv etc.. */
951 SPAGAIN; 1029 SPAGAIN;
952 1030
953 coro->mainstack = 0; 1031 coro->mainstack = 0;
954 } 1032 }
955 1033
956 deallocate_stack (coro); 1034 deallocate_stack (coro);
957 1035 SvREFCNT_dec (coro->args);
958 Safefree (coro); 1036 Safefree (coro);
959
960void
961flush()
962 CODE:
963#ifdef MAY_FLUSH
964 flush_padlist_cache ();
965#endif
966 1037
967void 1038void
968_exit(code) 1039_exit(code)
969 int code 1040 int code
970 PROTOTYPE: $ 1041 PROTOTYPE: $
971 CODE: 1042 CODE:
972#if defined(__GLIBC__) || _POSIX_C_SOURCE
973 _exit (code); 1043 _exit (code);
974#else
975 signal (SIGTERM, SIG_DFL);
976 raise (SIGTERM);
977 exit (code);
978#endif
979 1044
980MODULE = Coro::State PACKAGE = Coro::Cont 1045MODULE = Coro::State PACKAGE = Coro::Cont
981 1046
982# this is slightly dirty (should expose a c-level api) 1047# this is slightly dirty (should expose a c-level api)
983 1048
… …
989 SV *sv; 1054 SV *sv;
990 AV *defav = GvAV (PL_defgv); 1055 AV *defav = GvAV (PL_defgv);
991 struct coro *prev, *next; 1056 struct coro *prev, *next;
992 1057
993 if (!returnstk) 1058 if (!returnstk)
994 returnstk = SvRV (get_sv ("Coro::Cont::return", FALSE)); 1059 returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE));
995 1060
996 /* set up @_ -- ugly */ 1061 /* set up @_ -- ugly */
997 av_clear (defav); 1062 av_clear (defav);
998 av_fill (defav, items - 1); 1063 av_fill (defav, items - 1);
999 while (items--) 1064 while (items--)
1000 av_store (defav, items, SvREFCNT_inc (ST(items))); 1065 av_store (defav, items, SvREFCNT_inc (ST(items)));
1001 1066
1002 mg_get (returnstk); /* isn't documentation wrong for mg_get? */ 1067 SvGETMAGIC (returnstk); /* isn't documentation wrong for mg_get? */
1003 sv = av_pop ((AV *)SvRV (returnstk)); 1068 sv = av_pop ((AV *)SvRV (returnstk));
1004 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); 1069 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0)));
1005 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); 1070 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0)));
1006 SvREFCNT_dec (sv); 1071 SvREFCNT_dec (sv);
1007 1072
1008 transfer(aTHX_ prev, next, 0); 1073 transfer (aTHX_ prev, next, 0);
1009 1074
1010MODULE = Coro::State PACKAGE = Coro 1075MODULE = Coro::State PACKAGE = Coro
1011 1076
1012# this is slightly dirty (should expose a c-level api) 1077# this is slightly dirty (should expose a c-level api)
1013 1078
… …
1031 1096
1032 { 1097 {
1033 SV *sv = perl_get_sv("Coro::API", 1); 1098 SV *sv = perl_get_sv("Coro::API", 1);
1034 1099
1035 coroapi.schedule = api_schedule; 1100 coroapi.schedule = api_schedule;
1101 coroapi.cede = api_cede;
1036 coroapi.ready = api_ready; 1102 coroapi.ready = api_ready;
1037 coroapi.nready = &coro_nready; 1103 coroapi.nready = &coro_nready;
1038 coroapi.current = coro_current; 1104 coroapi.current = coro_current;
1039 1105
1040 GCoroAPI = &coroapi; 1106 GCoroAPI = &coroapi;
1041 sv_setiv(sv, (IV)&coroapi); 1107 sv_setiv(sv, (IV)&coroapi);
1042 SvREADONLY_on(sv); 1108 SvREADONLY_on(sv);
1043 } 1109 }
1044} 1110}
1111
1112#if !PERL_MICRO
1045 1113
1046void 1114void
1047ready(self) 1115ready(self)
1048 SV * self 1116 SV * self
1049 PROTOTYPE: $ 1117 PROTOTYPE: $
1050 CODE: 1118 CODE:
1051 api_ready (self); 1119 api_ready (self);
1120
1121#endif
1052 1122
1053int 1123int
1054nready(...) 1124nready(...)
1055 PROTOTYPE: 1125 PROTOTYPE:
1056 CODE: 1126 CODE:
… …
1059 RETVAL 1129 RETVAL
1060 1130
1061void 1131void
1062schedule(...) 1132schedule(...)
1063 PROTOTYPE: 1133 PROTOTYPE:
1064 ALIAS:
1065 cede = 1
1066 CODE: 1134 CODE:
1067 api_schedule (ix); 1135 api_schedule ();
1068 1136
1137void
1138cede(...)
1139 PROTOTYPE:
1140 CODE:
1141 api_cede ();
1142

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