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Comparing Coro/Coro/State.xs (file contents):
Revision 1.144 by root, Sun Mar 4 11:45:23 2007 UTC vs.
Revision 1.155 by root, Fri Sep 21 01:09:36 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
124 I32 laststype; 126 I32 laststype;
125 int laststatval; 127 int laststatval;
126 Stat_t statcache; 128 Stat_t statcache;
127}; 129};
128 130
131static size_t coro_stacksize = CORO_STACKSIZE;
129static struct CoroAPI coroapi; 132static struct CoroAPI coroapi;
130static AV *main_mainstack; /* used to differentiate between $main and others */ 133static AV *main_mainstack; /* used to differentiate between $main and others */
134static JMPENV *main_top_env;
131static HV *coro_state_stash, *coro_stash; 135static HV *coro_state_stash, *coro_stash;
132static SV *coro_mortal; /* will be freed after next transfer */ 136static SV *coro_mortal; /* will be freed after next transfer */
133 137
134static struct coro_cctx *cctx_first; 138static struct coro_cctx *cctx_first;
135static int cctx_count, cctx_idle; 139static int cctx_count, cctx_idle;
138typedef struct coro_cctx { 142typedef struct coro_cctx {
139 struct coro_cctx *next; 143 struct coro_cctx *next;
140 144
141 /* the stack */ 145 /* the stack */
142 void *sptr; 146 void *sptr;
143 ssize_t ssize; /* positive == mmap, otherwise malloc */ 147 size_t ssize;
144 148
145 /* cpu state */ 149 /* cpu state */
146 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 150 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 */ 151 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */
148 JMPENV *top_env; 152 JMPENV *top_env;
149 coro_context cctx; 153 coro_context cctx;
150 154
151 int inuse;
152
153#if CORO_USE_VALGRIND 155#if CORO_USE_VALGRIND
154 int valgrind_id; 156 int valgrind_id;
155#endif 157#endif
158 char inuse, mapped;
156} coro_cctx; 159} coro_cctx;
157 160
158enum { 161enum {
159 CF_RUNNING = 0x0001, /* coroutine is running */ 162 CF_RUNNING = 0x0001, /* coroutine is running */
160 CF_READY = 0x0002, /* coroutine is ready */ 163 CF_READY = 0x0002, /* coroutine is ready */
175 178
176 /* optionally saved, might be zero */ 179 /* optionally saved, might be zero */
177 AV *defav; /* @_ */ 180 AV *defav; /* @_ */
178 SV *defsv; /* $_ */ 181 SV *defsv; /* $_ */
179 SV *errsv; /* $@ */ 182 SV *errsv; /* $@ */
183 GV *deffh; /* default filehandle */
180 SV *irssv; /* $/ */ 184 SV *irssv; /* $/ */
181 SV *irssv_sv; /* real $/ cache */ 185 SV *irssv_sv; /* real $/ cache */
182 186
183#define VAR(name,type) type name; 187#define VAR(name,type) type name;
184# include "state.h" 188# include "state.h"
185#undef VAR 189#undef VAR
186 190
187 /* coro process data */ 191 /* coro process data */
188 int prio; 192 int prio;
193
194 /* linked list */
195 struct coro *next, *prev;
196 HV *hv; /* the perl hash associated with this coro, if any */
189}; 197};
190 198
191typedef struct coro *Coro__State; 199typedef struct coro *Coro__State;
192typedef struct coro *Coro__State_or_hashref; 200typedef struct coro *Coro__State_or_hashref;
193 201
202 210
203/* for Coro.pm */ 211/* for Coro.pm */
204static SV *coro_current; 212static SV *coro_current;
205static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 213static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
206static int coro_nready; 214static int coro_nready;
215static struct coro *coro_first;
207 216
208/** lowlevel stuff **********************************************************/ 217/** lowlevel stuff **********************************************************/
209 218
210static AV * 219static AV *
211coro_clone_padlist (CV *cv) 220coro_clone_padlist (pTHX_ CV *cv)
212{ 221{
213 AV *padlist = CvPADLIST (cv); 222 AV *padlist = CvPADLIST (cv);
214 AV *newpadlist, *newpad; 223 AV *newpadlist, *newpad;
215 224
216 newpadlist = newAV (); 225 newpadlist = newAV ();
228 237
229 return newpadlist; 238 return newpadlist;
230} 239}
231 240
232static void 241static void
233free_padlist (AV *padlist) 242free_padlist (pTHX_ AV *padlist)
234{ 243{
235 /* may be during global destruction */ 244 /* may be during global destruction */
236 if (SvREFCNT (padlist)) 245 if (SvREFCNT (padlist))
237 { 246 {
238 I32 i = AvFILLp (padlist); 247 I32 i = AvFILLp (padlist);
259 AV *padlist; 268 AV *padlist;
260 AV *av = (AV *)mg->mg_obj; 269 AV *av = (AV *)mg->mg_obj;
261 270
262 /* casting is fun. */ 271 /* casting is fun. */
263 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 272 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
264 free_padlist (padlist); 273 free_padlist (aTHX_ padlist);
265 274
266 SvREFCNT_dec (av); 275 SvREFCNT_dec (av);
267 276
268 return 0; 277 return 0;
269} 278}
279 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
280 : 0 289 : 0
281 290
282/* the next two functions merely cache the padlists */ 291/* the next two functions merely cache the padlists */
283static void 292static void
284get_padlist (CV *cv) 293get_padlist (pTHX_ CV *cv)
285{ 294{
286 MAGIC *mg = CORO_MAGIC (cv); 295 MAGIC *mg = CORO_MAGIC (cv);
287 AV *av; 296 AV *av;
288 297
289 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) 298 if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)
295 CV *cp = Perl_cv_clone (cv); 304 CV *cp = Perl_cv_clone (cv);
296 CvPADLIST (cv) = CvPADLIST (cp); 305 CvPADLIST (cv) = CvPADLIST (cp);
297 CvPADLIST (cp) = 0; 306 CvPADLIST (cp) = 0;
298 SvREFCNT_dec (cp); 307 SvREFCNT_dec (cp);
299#else 308#else
300 CvPADLIST (cv) = coro_clone_padlist (cv); 309 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);
301#endif 310#endif
302 } 311 }
303} 312}
304 313
305static void 314static void
306put_padlist (CV *cv) 315put_padlist (pTHX_ CV *cv)
307{ 316{
308 MAGIC *mg = CORO_MAGIC (cv); 317 MAGIC *mg = CORO_MAGIC (cv);
309 AV *av; 318 AV *av;
310 319
311 if (!mg) 320 if (!mg)
330#define SE } while (0) 339#define SE } while (0)
331 340
332#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE 341#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
333 342
334static void 343static void
335load_perl (Coro__State c) 344load_perl (pTHX_ Coro__State c)
336{ 345{
337#define VAR(name,type) PL_ ## name = c->name; 346#define VAR(name,type) PL_ ## name = c->name;
338# include "state.h" 347# include "state.h"
339#undef VAR 348#undef VAR
340 349
341 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 350 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
342 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 351 if (c->defsv) REPLACE_SV (DEFSV , c->defsv);
343 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 352 if (c->errsv) REPLACE_SV (ERRSV , c->errsv);
353 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh);
354
344 if (c->irssv) 355 if (c->irssv)
345 { 356 {
346 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) 357 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
358 {
347 SvREFCNT_dec (c->irssv); 359 SvREFCNT_dec (c->irssv);
360 c->irssv = 0;
361 }
348 else 362 else
349 { 363 {
350 REPLACE_SV (PL_rs, c->irssv); 364 REPLACE_SV (PL_rs, c->irssv);
351 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); 365 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
352 sv_setsv (c->irssv_sv, PL_rs); 366 sv_setsv (c->irssv_sv, PL_rs);
358 CV *cv; 372 CV *cv;
359 373
360 /* now do the ugly restore mess */ 374 /* now do the ugly restore mess */
361 while ((cv = (CV *)POPs)) 375 while ((cv = (CV *)POPs))
362 { 376 {
363 put_padlist (cv); /* mark this padlist as available */ 377 put_padlist (aTHX_ cv); /* mark this padlist as available */
364 CvDEPTH (cv) = PTR2IV (POPs); 378 CvDEPTH (cv) = PTR2IV (POPs);
365 CvPADLIST (cv) = (AV *)POPs; 379 CvPADLIST (cv) = (AV *)POPs;
366 } 380 }
367 381
368 PUTBACK; 382 PUTBACK;
369 } 383 }
370 assert (!PL_comppad || AvARRAY (PL_comppad));//D
371} 384}
372 385
373static void 386static void
374save_perl (Coro__State c) 387save_perl (pTHX_ Coro__State c)
375{ 388{
376 assert (!PL_comppad || AvARRAY (PL_comppad));//D
377 { 389 {
378 dSP; 390 dSP;
379 I32 cxix = cxstack_ix; 391 I32 cxix = cxstack_ix;
380 PERL_CONTEXT *ccstk = cxstack; 392 PERL_CONTEXT *ccstk = cxstack;
381 PERL_SI *top_si = PL_curstackinfo; 393 PERL_SI *top_si = PL_curstackinfo;
392 { 404 {
393 while (cxix >= 0) 405 while (cxix >= 0)
394 { 406 {
395 PERL_CONTEXT *cx = &ccstk[cxix--]; 407 PERL_CONTEXT *cx = &ccstk[cxix--];
396 408
397 if (CxTYPE (cx) == CXt_SUB) 409 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)
398 { 410 {
399 CV *cv = cx->blk_sub.cv; 411 CV *cv = cx->blk_sub.cv;
400 412
401 if (CvDEPTH (cv)) 413 if (CvDEPTH (cv))
402 { 414 {
404 PUSHs ((SV *)CvPADLIST (cv)); 416 PUSHs ((SV *)CvPADLIST (cv));
405 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 417 PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
406 PUSHs ((SV *)cv); 418 PUSHs ((SV *)cv);
407 419
408 CvDEPTH (cv) = 0; 420 CvDEPTH (cv) = 0;
409 get_padlist (cv); 421 get_padlist (aTHX_ cv);
410 } 422 }
411 } 423 }
412 } 424 }
413 425
414 if (top_si->si_type == PERLSI_MAIN) 426 if (top_si->si_type == PERLSI_MAIN)
423 } 435 }
424 436
425 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 437 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
426 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 438 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
427 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 439 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
440 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0;
428 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; 441 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
429 442
430#define VAR(name,type)c->name = PL_ ## name; 443#define VAR(name,type)c->name = PL_ ## name;
431# include "state.h" 444# include "state.h"
432#undef VAR 445#undef VAR
440 */ 453 */
441#if CORO_PREFER_PERL_FUNCTIONS 454#if CORO_PREFER_PERL_FUNCTIONS
442# define coro_init_stacks init_stacks 455# define coro_init_stacks init_stacks
443#else 456#else
444static void 457static void
445coro_init_stacks () 458coro_init_stacks (pTHX)
446{ 459{
447 PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); 460 PL_curstackinfo = new_stackinfo(64, 4);
448 PL_curstackinfo->si_type = PERLSI_MAIN; 461 PL_curstackinfo->si_type = PERLSI_MAIN;
449 PL_curstack = PL_curstackinfo->si_stack; 462 PL_curstack = PL_curstackinfo->si_stack;
450 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 463 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
451 464
452 PL_stack_base = AvARRAY(PL_curstack); 465 PL_stack_base = AvARRAY(PL_curstack);
453 PL_stack_sp = PL_stack_base; 466 PL_stack_sp = PL_stack_base;
454 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 467 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
455 468
456 New(50,PL_tmps_stack,128,SV*); 469 New(50,PL_tmps_stack,64,SV*);
457 PL_tmps_floor = -1; 470 PL_tmps_floor = -1;
458 PL_tmps_ix = -1; 471 PL_tmps_ix = -1;
459 PL_tmps_max = 128; 472 PL_tmps_max = 64;
460 473
461 New(54,PL_markstack,32,I32); 474 New(54,PL_markstack,16,I32);
462 PL_markstack_ptr = PL_markstack; 475 PL_markstack_ptr = PL_markstack;
463 PL_markstack_max = PL_markstack + 32; 476 PL_markstack_max = PL_markstack + 16;
464 477
465#ifdef SET_MARK_OFFSET 478#ifdef SET_MARK_OFFSET
466 SET_MARK_OFFSET; 479 SET_MARK_OFFSET;
467#endif 480#endif
468 481
469 New(54,PL_scopestack,32,I32); 482 New(54,PL_scopestack,16,I32);
470 PL_scopestack_ix = 0; 483 PL_scopestack_ix = 0;
471 PL_scopestack_max = 32; 484 PL_scopestack_max = 16;
472 485
473 New(54,PL_savestack,64,ANY); 486 New(54,PL_savestack,64,ANY);
474 PL_savestack_ix = 0; 487 PL_savestack_ix = 0;
475 PL_savestack_max = 64; 488 PL_savestack_max = 64;
476 489
477#if !PERL_VERSION_ATLEAST (5,9,0) 490#if !PERL_VERSION_ATLEAST (5,9,0)
478 New(54,PL_retstack,16,OP*); 491 New(54,PL_retstack,8,OP*);
479 PL_retstack_ix = 0; 492 PL_retstack_ix = 0;
480 PL_retstack_max = 16; 493 PL_retstack_max = 8;
481#endif 494#endif
482} 495}
483#endif 496#endif
484 497
485/* 498/*
486 * destroy the stacks, the callchain etc... 499 * destroy the stacks, the callchain etc...
487 */ 500 */
488static void 501static void
489coro_destroy_stacks () 502coro_destroy_stacks (pTHX)
490{ 503{
491 if (!IN_DESTRUCT) 504 if (!IN_DESTRUCT)
492 { 505 {
493 /* restore all saved variables and stuff */ 506 /* restore all saved variables and stuff */
494 LEAVE_SCOPE (0); 507 LEAVE_SCOPE (0);
527#if !PERL_VERSION_ATLEAST (5,9,0) 540#if !PERL_VERSION_ATLEAST (5,9,0)
528 Safefree (PL_retstack); 541 Safefree (PL_retstack);
529#endif 542#endif
530} 543}
531 544
545static size_t
546coro_rss (struct coro *coro)
547{
548 size_t rss = sizeof (coro);
549
550 if (coro->mainstack)
551 {
552 if (coro->flags & CF_RUNNING)
553 {
554 #define VAR(name,type)coro->name = PL_ ## name;
555 # include "state.h"
556 #undef VAR
557 }
558
559 rss += sizeof (coro->curstackinfo);
560 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
561 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
562 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
563 rss += coro->tmps_max * sizeof (SV *);
564 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
565 rss += coro->scopestack_max * sizeof (I32);
566 rss += coro->savestack_max * sizeof (ANY);
567
568#if !PERL_VERSION_ATLEAST (5,9,0)
569 rss += coro->retstack_max * sizeof (OP *);
570#endif
571 }
572
573 return rss;
574}
575
532/** coroutine stack handling ************************************************/ 576/** coroutine stack handling ************************************************/
533 577
534static void 578static void
535setup_coro (struct coro *coro) 579setup_coro (pTHX_ struct coro *coro)
536{ 580{
537 /* 581 /*
538 * emulate part of the perl startup here. 582 * emulate part of the perl startup here.
539 */ 583 */
540
541 coro_init_stacks (); 584 coro_init_stacks (aTHX);
542 585
543 PL_curcop = &PL_compiling; 586 PL_curcop = &PL_compiling;
544 PL_in_eval = EVAL_NULL; 587 PL_in_eval = EVAL_NULL;
545 PL_comppad = 0; 588 PL_comppad = 0;
546 PL_curpm = 0; 589 PL_curpm = 0;
558 Zero (&myop, 1, LOGOP); 601 Zero (&myop, 1, LOGOP);
559 myop.op_next = Nullop; 602 myop.op_next = Nullop;
560 myop.op_flags = OPf_WANT_VOID; 603 myop.op_flags = OPf_WANT_VOID;
561 604
562 PUSHMARK (SP); 605 PUSHMARK (SP);
563 XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); 606 XPUSHs (av_shift (GvAV (PL_defgv)));
564 PUTBACK; 607 PUTBACK;
565 PL_op = (OP *)&myop; 608 PL_op = (OP *)&myop;
566 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 609 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
567 SPAGAIN; 610 SPAGAIN;
568 } 611 }
569 612
570 ENTER; /* necessary e.g. for dounwind */ 613 ENTER; /* necessary e.g. for dounwind */
571} 614}
572 615
573static void 616static void
574free_coro_mortal () 617free_coro_mortal (pTHX)
575{ 618{
576 if (coro_mortal) 619 if (coro_mortal)
577 { 620 {
578 SvREFCNT_dec (coro_mortal); 621 SvREFCNT_dec (coro_mortal);
579 coro_mortal = 0; 622 coro_mortal = 0;
580 } 623 }
581} 624}
582 625
583/* inject a fake call to Coro::State::_cctx_init into the execution */ 626/* inject a fake call to Coro::State::_cctx_init into the execution */
627/* _cctx_init should be careful, as it could be called at almost any time */
628/* during execution of a perl program */
584static void NOINLINE 629static void NOINLINE
585prepare_cctx (coro_cctx *cctx) 630prepare_cctx (pTHX_ coro_cctx *cctx)
586{ 631{
587 dSP; 632 dSP;
588 LOGOP myop; 633 LOGOP myop;
589 634
590 Zero (&myop, 1, LOGOP); 635 Zero (&myop, 1, LOGOP);
599 PL_op = (OP *)&myop; 644 PL_op = (OP *)&myop;
600 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 645 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
601 SPAGAIN; 646 SPAGAIN;
602} 647}
603 648
649/*
650 * this is a _very_ stripped down perl interpreter ;)
651 */
604static void 652static void
605coro_run (void *arg) 653coro_run (void *arg)
606{ 654{
655 dTHX;
656
607 /* coro_run is the alternative tail of transfer(), so unlock here. */ 657 /* coro_run is the alternative tail of transfer(), so unlock here. */
608 UNLOCK; 658 UNLOCK;
609 659
610 /*
611 * this is a _very_ stripped down perl interpreter ;)
612 */
613 PL_top_env = &PL_start_env; 660 PL_top_env = &PL_start_env;
614 661
615 /* inject call to cctx_init */ 662 /* inject a fake subroutine call to cctx_init */
616 prepare_cctx ((coro_cctx *)arg); 663 prepare_cctx (aTHX_ (coro_cctx *)arg);
617 664
618 /* somebody will hit me for both perl_run and PL_restartop */ 665 /* somebody or something will hit me for both perl_run and PL_restartop */
619 PL_restartop = PL_op; 666 PL_restartop = PL_op;
620 perl_run (PL_curinterp); 667 perl_run (PL_curinterp);
621 668
622 fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); 669 /*
623 abort (); 670 * If perl-run returns we assume exit() was being called or the coro
671 * fell off the end, which seems to be the only valid (non-bug)
672 * reason for perl_run to return. We try to exit by jumping to the
673 * bootstrap-time "top" top_env, as we cannot restore the "main"
674 * coroutine as Coro has no such concept
675 */
676 PL_top_env = main_top_env;
677 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
624} 678}
625 679
626static coro_cctx * 680static coro_cctx *
627cctx_new () 681cctx_new ()
628{ 682{
629 coro_cctx *cctx; 683 coro_cctx *cctx;
684 void *stack_start;
685 size_t stack_size;
630 686
631 ++cctx_count; 687 ++cctx_count;
632 688
633 Newz (0, cctx, 1, coro_cctx); 689 Newz (0, cctx, 1, coro_cctx);
634 690
635#if HAVE_MMAP 691#if HAVE_MMAP
636 692
637 cctx->ssize = ((CORO_STACKSIZE * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 693 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
638 /* mmap supposedly does allocate-on-write for us */ 694 /* mmap supposedly does allocate-on-write for us */
639 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 695 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
640 696
641 if (cctx->sptr != (void *)-1) 697 if (cctx->sptr != (void *)-1)
642 { 698 {
643# if CORO_STACKGUARD 699# if CORO_STACKGUARD
644 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 700 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
645# endif 701# endif
646 REGISTER_STACK (
647 cctx,
648 CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr, 702 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
649 cctx->ssize + (char *)cctx->sptr 703 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
650 ); 704 cctx->mapped = 1;
651
652 coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, cctx->ssize);
653 } 705 }
654 else 706 else
655#endif 707#endif
656 { 708 {
657 cctx->ssize = -CORO_STACKSIZE * (long)sizeof (long); 709 cctx->ssize = coro_stacksize * (long)sizeof (long);
658 New (0, cctx->sptr, CORO_STACKSIZE, long); 710 New (0, cctx->sptr, coro_stacksize, long);
659 711
660 if (!cctx->sptr) 712 if (!cctx->sptr)
661 { 713 {
662 perror ("FATAL: unable to allocate stack for coroutine"); 714 perror ("FATAL: unable to allocate stack for coroutine");
663 _exit (EXIT_FAILURE); 715 _exit (EXIT_FAILURE);
664 } 716 }
665 717
666 REGISTER_STACK ( 718 stack_start = cctx->sptr;
667 cctx, 719 stack_size = cctx->ssize;
668 (char *)cctx->sptr, 720 }
669 (char *)cctx->sptr - cctx->ssize
670 );
671 721
722 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size);
672 coro_create (&cctx->cctx, coro_run, (void *)cctx, cctx->sptr, -cctx->ssize); 723 coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);
673 }
674 724
675 return cctx; 725 return cctx;
676} 726}
677 727
678static void 728static void
686#if CORO_USE_VALGRIND 736#if CORO_USE_VALGRIND
687 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 737 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
688#endif 738#endif
689 739
690#if HAVE_MMAP 740#if HAVE_MMAP
691 if (cctx->ssize > 0) 741 if (cctx->mapped)
692 munmap (cctx->sptr, cctx->ssize); 742 munmap (cctx->sptr, cctx->ssize);
693 else 743 else
694#endif 744#endif
695 Safefree (cctx->sptr); 745 Safefree (cctx->sptr);
696 746
697 Safefree (cctx); 747 Safefree (cctx);
698} 748}
699 749
700static coro_cctx * 750static coro_cctx *
701cctx_get () 751cctx_get (pTHX)
702{ 752{
703 coro_cctx *cctx;
704
705 if (cctx_first) 753 while (cctx_first)
706 { 754 {
707 cctx = cctx_first; 755 coro_cctx *cctx = cctx_first;
708 cctx_first = cctx->next; 756 cctx_first = cctx->next;
709 --cctx_idle; 757 --cctx_idle;
758
759 if (cctx->ssize >= coro_stacksize)
760 return cctx;
761
762 cctx_destroy (cctx);
710 } 763 }
711 else 764
712 {
713 cctx = cctx_new ();
714 PL_op = PL_op->op_next; 765 PL_op = PL_op->op_next;
715 }
716
717 return cctx; 766 return cctx_new ();
718} 767}
719 768
720static void 769static void
721cctx_put (coro_cctx *cctx) 770cctx_put (coro_cctx *cctx)
722{ 771{
738 787
739/** coroutine switching *****************************************************/ 788/** coroutine switching *****************************************************/
740 789
741/* never call directly, always through the coro_state_transfer global variable */ 790/* never call directly, always through the coro_state_transfer global variable */
742static void NOINLINE 791static void NOINLINE
743transfer (struct coro *prev, struct coro *next) 792transfer (pTHX_ struct coro *prev, struct coro *next)
744{ 793{
745 dSTACKLEVEL; 794 dSTACKLEVEL;
746 795
747 /* sometimes transfer is only called to set idle_sp */ 796 /* sometimes transfer is only called to set idle_sp */
748 if (!next) 797 if (!next)
781 if (next->flags & CF_NEW) 830 if (next->flags & CF_NEW)
782 { 831 {
783 /* need to start coroutine */ 832 /* need to start coroutine */
784 next->flags &= ~CF_NEW; 833 next->flags &= ~CF_NEW;
785 /* first get rid of the old state */ 834 /* first get rid of the old state */
786 save_perl (prev); 835 save_perl (aTHX_ prev);
787 /* setup coroutine call */ 836 /* setup coroutine call */
788 setup_coro (next); 837 setup_coro (aTHX_ next);
789 /* need a new stack */ 838 /* need a new stack */
790 assert (!next->cctx); 839 assert (!next->cctx);
791 } 840 }
792 else 841 else
793 { 842 {
794 /* coroutine already started */ 843 /* coroutine already started */
795 save_perl (prev); 844 save_perl (aTHX_ prev);
796 load_perl (next); 845 load_perl (aTHX_ next);
797 } 846 }
798 847
799 prev__cctx = prev->cctx; 848 prev__cctx = prev->cctx;
800 849
801 /* possibly "free" the cctx */ 850 /* possibly "free" the cctx */
810 prev__cctx->inuse = 0; 859 prev__cctx->inuse = 0;
811 } 860 }
812 861
813 if (!next->cctx) 862 if (!next->cctx)
814 { 863 {
815 next->cctx = cctx_get (); 864 next->cctx = cctx_get (aTHX);
816 assert (!next->cctx->inuse); 865 assert (!next->cctx->inuse);
817 next->cctx->inuse = 1; 866 next->cctx->inuse = 1;
818 } 867 }
819 868
820 if (prev__cctx != next->cctx) 869 if (prev__cctx != next->cctx)
822 prev__cctx->top_env = PL_top_env; 871 prev__cctx->top_env = PL_top_env;
823 PL_top_env = next->cctx->top_env; 872 PL_top_env = next->cctx->top_env;
824 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 873 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
825 } 874 }
826 875
827 free_coro_mortal (); 876 free_coro_mortal (aTHX);
828 UNLOCK; 877 UNLOCK;
829 } 878 }
830} 879}
831 880
832struct transfer_args 881struct transfer_args
833{ 882{
834 struct coro *prev, *next; 883 struct coro *prev, *next;
835}; 884};
836 885
837#define TRANSFER(ta) transfer ((ta).prev, (ta).next) 886#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
838 887
839/** high level stuff ********************************************************/ 888/** high level stuff ********************************************************/
840 889
841static int 890static int
842coro_state_destroy (struct coro *coro) 891coro_state_destroy (pTHX_ struct coro *coro)
843{ 892{
844 if (coro->flags & CF_DESTROYED) 893 if (coro->flags & CF_DESTROYED)
845 return 0; 894 return 0;
846 895
847 coro->flags |= CF_DESTROYED; 896 coro->flags |= CF_DESTROYED;
867 temp.save = CORO_SAVE_ALL; 916 temp.save = CORO_SAVE_ALL;
868 917
869 if (coro->flags & CF_RUNNING) 918 if (coro->flags & CF_RUNNING)
870 croak ("FATAL: tried to destroy currently running coroutine"); 919 croak ("FATAL: tried to destroy currently running coroutine");
871 920
872 save_perl (&temp); 921 save_perl (aTHX_ &temp);
873 load_perl (coro); 922 load_perl (aTHX_ coro);
874 923
875 coro_destroy_stacks (); 924 coro_destroy_stacks (aTHX);
876 925
877 load_perl (&temp); /* this will get rid of defsv etc.. */ 926 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
878 927
879 coro->mainstack = 0; 928 coro->mainstack = 0;
880 } 929 }
881 930
882 cctx_destroy (coro->cctx); 931 cctx_destroy (coro->cctx);
883 SvREFCNT_dec (coro->args); 932 SvREFCNT_dec (coro->args);
884 933
934 if (coro->next) coro->next->prev = coro->prev;
935 if (coro->prev) coro->prev->next = coro->next;
936 if (coro == coro_first) coro_first = coro->next;
937
885 return 1; 938 return 1;
886} 939}
887 940
888static int 941static int
889coro_state_free (pTHX_ SV *sv, MAGIC *mg) 942coro_state_free (pTHX_ SV *sv, MAGIC *mg)
890{ 943{
891 struct coro *coro = (struct coro *)mg->mg_ptr; 944 struct coro *coro = (struct coro *)mg->mg_ptr;
892 mg->mg_ptr = 0; 945 mg->mg_ptr = 0;
893 946
947 coro->hv = 0;
948
894 if (--coro->refcnt < 0) 949 if (--coro->refcnt < 0)
895 { 950 {
896 coro_state_destroy (coro); 951 coro_state_destroy (aTHX_ coro);
897 Safefree (coro); 952 Safefree (coro);
898 } 953 }
899 954
900 return 0; 955 return 0;
901} 956}
920# define MGf_DUP 0 975# define MGf_DUP 0
921#endif 976#endif
922}; 977};
923 978
924static struct coro * 979static struct coro *
925SvSTATE (SV *coro) 980SvSTATE_ (pTHX_ SV *coro)
926{ 981{
927 HV *stash; 982 HV *stash;
928 MAGIC *mg; 983 MAGIC *mg;
929 984
930 if (SvROK (coro)) 985 if (SvROK (coro))
940 995
941 mg = CORO_MAGIC (coro); 996 mg = CORO_MAGIC (coro);
942 return (struct coro *)mg->mg_ptr; 997 return (struct coro *)mg->mg_ptr;
943} 998}
944 999
1000#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1001
945static void 1002static void
946prepare_transfer (struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1003prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
947{ 1004{
948 ta->prev = SvSTATE (prev_sv); 1005 ta->prev = SvSTATE (prev_sv);
949 ta->next = SvSTATE (next_sv); 1006 ta->next = SvSTATE (next_sv);
950} 1007}
951 1008
952static void 1009static void
953api_transfer (SV *prev_sv, SV *next_sv) 1010api_transfer (SV *prev_sv, SV *next_sv)
954{ 1011{
1012 dTHX;
955 struct transfer_args ta; 1013 struct transfer_args ta;
956 1014
957 prepare_transfer (&ta, prev_sv, next_sv); 1015 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
958 TRANSFER (ta); 1016 TRANSFER (ta);
959} 1017}
960 1018
961static int 1019static int
962api_save (SV *coro_sv, int new_save) 1020api_save (SV *coro_sv, int new_save)
963{ 1021{
1022 dTHX;
964 struct coro *coro = SvSTATE (coro_sv); 1023 struct coro *coro = SvSTATE (coro_sv);
965 int old_save = coro->save; 1024 int old_save = coro->save;
966 1025
967 if (new_save >= 0) 1026 if (new_save >= 0)
968 coro->save = new_save; 1027 coro->save = new_save;
971} 1030}
972 1031
973/** Coro ********************************************************************/ 1032/** Coro ********************************************************************/
974 1033
975static void 1034static void
976coro_enq (SV *coro_sv) 1035coro_enq (pTHX_ SV *coro_sv)
977{ 1036{
978 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1037 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
979} 1038}
980 1039
981static SV * 1040static SV *
982coro_deq (int min_prio) 1041coro_deq (pTHX_ int min_prio)
983{ 1042{
984 int prio = PRIO_MAX - PRIO_MIN; 1043 int prio = PRIO_MAX - PRIO_MIN;
985 1044
986 min_prio -= PRIO_MIN; 1045 min_prio -= PRIO_MIN;
987 if (min_prio < 0) 1046 if (min_prio < 0)
995} 1054}
996 1055
997static int 1056static int
998api_ready (SV *coro_sv) 1057api_ready (SV *coro_sv)
999{ 1058{
1059 dTHX;
1000 struct coro *coro; 1060 struct coro *coro;
1001 1061
1002 if (SvROK (coro_sv)) 1062 if (SvROK (coro_sv))
1003 coro_sv = SvRV (coro_sv); 1063 coro_sv = SvRV (coro_sv);
1004 1064
1008 return 0; 1068 return 0;
1009 1069
1010 coro->flags |= CF_READY; 1070 coro->flags |= CF_READY;
1011 1071
1012 LOCK; 1072 LOCK;
1013 coro_enq (SvREFCNT_inc (coro_sv)); 1073 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1014 ++coro_nready; 1074 ++coro_nready;
1015 UNLOCK; 1075 UNLOCK;
1016 1076
1017 return 1; 1077 return 1;
1018} 1078}
1019 1079
1020static int 1080static int
1021api_is_ready (SV *coro_sv) 1081api_is_ready (SV *coro_sv)
1022{ 1082{
1083 dTHX;
1023 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1084 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1024} 1085}
1025 1086
1026static void 1087static void
1027prepare_schedule (struct transfer_args *ta) 1088prepare_schedule (pTHX_ struct transfer_args *ta)
1028{ 1089{
1029 SV *prev_sv, *next_sv; 1090 SV *prev_sv, *next_sv;
1030 1091
1031 for (;;) 1092 for (;;)
1032 { 1093 {
1033 LOCK; 1094 LOCK;
1034 next_sv = coro_deq (PRIO_MIN); 1095 next_sv = coro_deq (aTHX_ PRIO_MIN);
1035 1096
1036 /* nothing to schedule: call the idle handler */ 1097 /* nothing to schedule: call the idle handler */
1037 if (!next_sv) 1098 if (!next_sv)
1038 { 1099 {
1039 dSP; 1100 dSP;
1074 1135
1075 assert (ta->next->flags & CF_READY); 1136 assert (ta->next->flags & CF_READY);
1076 ta->next->flags &= ~CF_READY; 1137 ta->next->flags &= ~CF_READY;
1077 1138
1078 LOCK; 1139 LOCK;
1079 free_coro_mortal (); 1140 free_coro_mortal (aTHX);
1080 coro_mortal = prev_sv; 1141 coro_mortal = prev_sv;
1081 UNLOCK; 1142 UNLOCK;
1082} 1143}
1083 1144
1084static void 1145static void
1085prepare_cede (struct transfer_args *ta) 1146prepare_cede (pTHX_ struct transfer_args *ta)
1086{ 1147{
1087 api_ready (coro_current); 1148 api_ready (coro_current);
1088 prepare_schedule (ta); 1149 prepare_schedule (aTHX_ ta);
1089} 1150}
1090 1151
1091static int 1152static int
1092prepare_cede_notself (struct transfer_args *ta) 1153prepare_cede_notself (pTHX_ struct transfer_args *ta)
1093{ 1154{
1094 if (coro_nready) 1155 if (coro_nready)
1095 { 1156 {
1096 SV *prev = SvRV (coro_current); 1157 SV *prev = SvRV (coro_current);
1097 prepare_schedule (ta); 1158 prepare_schedule (aTHX_ ta);
1098 api_ready (prev); 1159 api_ready (prev);
1099 return 1; 1160 return 1;
1100 } 1161 }
1101 else 1162 else
1102 return 0; 1163 return 0;
1103} 1164}
1104 1165
1105static void 1166static void
1106api_schedule (void) 1167api_schedule (void)
1107{ 1168{
1169 dTHX;
1108 struct transfer_args ta; 1170 struct transfer_args ta;
1109 1171
1110 prepare_schedule (&ta); 1172 prepare_schedule (aTHX_ &ta);
1111 TRANSFER (ta); 1173 TRANSFER (ta);
1112} 1174}
1113 1175
1114static int 1176static int
1115api_cede (void) 1177api_cede (void)
1116{ 1178{
1179 dTHX;
1117 struct transfer_args ta; 1180 struct transfer_args ta;
1118 1181
1119 prepare_cede (&ta); 1182 prepare_cede (aTHX_ &ta);
1120 1183
1121 if (ta.prev != ta.next) 1184 if (ta.prev != ta.next)
1122 { 1185 {
1123 TRANSFER (ta); 1186 TRANSFER (ta);
1124 return 1; 1187 return 1;
1128} 1191}
1129 1192
1130static int 1193static int
1131api_cede_notself (void) 1194api_cede_notself (void)
1132{ 1195{
1196 dTHX;
1133 struct transfer_args ta; 1197 struct transfer_args ta;
1134 1198
1135 if (prepare_cede_notself (&ta)) 1199 if (prepare_cede_notself (aTHX_ &ta))
1136 { 1200 {
1137 TRANSFER (ta); 1201 TRANSFER (ta);
1138 return 1; 1202 return 1;
1139 } 1203 }
1140 else 1204 else
1156 1220
1157 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1221 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1158 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1222 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1159 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1223 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1160 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1224 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1226 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1161 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1227 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1162 1228
1163 main_mainstack = PL_mainstack; 1229 main_mainstack = PL_mainstack;
1230 main_top_env = PL_top_env;
1231
1232 while (main_top_env->je_prev)
1233 main_top_env = main_top_env->je_prev;
1164 1234
1165 coroapi.ver = CORO_API_VERSION; 1235 coroapi.ver = CORO_API_VERSION;
1166 coroapi.transfer = api_transfer; 1236 coroapi.transfer = api_transfer;
1167 1237
1168 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1238 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1176 HV *hv; 1246 HV *hv;
1177 int i; 1247 int i;
1178 1248
1179 Newz (0, coro, 1, struct coro); 1249 Newz (0, coro, 1, struct coro);
1180 coro->args = newAV (); 1250 coro->args = newAV ();
1181 coro->save = CORO_SAVE_ALL; 1251 coro->save = CORO_SAVE_DEF;
1182 coro->flags = CF_NEW; 1252 coro->flags = CF_NEW;
1183 1253
1254 if (coro_first) coro_first->prev = coro;
1255 coro->next = coro_first;
1256 coro_first = coro;
1257
1184 hv = newHV (); 1258 coro->hv = hv = newHV ();
1185 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1259 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1186 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1260 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1187 1261
1188 for (i = 1; i < items; i++) 1262 for (i = 1; i < items; i++)
1189 av_push (coro->args, newSVsv (ST (i))); 1263 av_push (coro->args, newSVsv (ST (i)));
1193 1267
1194int 1268int
1195save (SV *coro, int new_save = -1) 1269save (SV *coro, int new_save = -1)
1196 CODE: 1270 CODE:
1197 RETVAL = api_save (coro, new_save); 1271 RETVAL = api_save (coro, new_save);
1272 OUTPUT:
1273 RETVAL
1274
1275int
1276save_also (SV *coro_sv, int save_also)
1277 CODE:
1278{
1279 struct coro *coro = SvSTATE (coro_sv);
1280 RETVAL = coro->save;
1281 coro->save |= save_also;
1282}
1198 OUTPUT: 1283 OUTPUT:
1199 RETVAL 1284 RETVAL
1200 1285
1201void 1286void
1202_set_stacklevel (...) 1287_set_stacklevel (...)
1218 1303
1219 case 1: 1304 case 1:
1220 if (items != 2) 1305 if (items != 2)
1221 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1306 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1222 1307
1223 prepare_transfer (&ta, ST (0), ST (1)); 1308 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1224 break; 1309 break;
1225 1310
1226 case 2: 1311 case 2:
1227 prepare_schedule (&ta); 1312 prepare_schedule (aTHX_ &ta);
1228 break; 1313 break;
1229 1314
1230 case 3: 1315 case 3:
1231 prepare_cede (&ta); 1316 prepare_cede (aTHX_ &ta);
1232 break; 1317 break;
1233 1318
1234 case 4: 1319 case 4:
1235 if (!prepare_cede_notself (&ta)) 1320 if (!prepare_cede_notself (aTHX_ &ta))
1236 XSRETURN_EMPTY; 1321 XSRETURN_EMPTY;
1237 1322
1238 break; 1323 break;
1239 } 1324 }
1240 1325
1246} 1331}
1247 1332
1248bool 1333bool
1249_destroy (SV *coro_sv) 1334_destroy (SV *coro_sv)
1250 CODE: 1335 CODE:
1251 RETVAL = coro_state_destroy (SvSTATE (coro_sv)); 1336 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1252 OUTPUT: 1337 OUTPUT:
1253 RETVAL 1338 RETVAL
1254 1339
1255void 1340void
1256_exit (code) 1341_exit (code)
1258 PROTOTYPE: $ 1343 PROTOTYPE: $
1259 CODE: 1344 CODE:
1260 _exit (code); 1345 _exit (code);
1261 1346
1262int 1347int
1348cctx_stacksize (int new_stacksize = 0)
1349 CODE:
1350 RETVAL = coro_stacksize;
1351 if (new_stacksize)
1352 coro_stacksize = new_stacksize;
1353 OUTPUT:
1354 RETVAL
1355
1356int
1263cctx_count () 1357cctx_count ()
1264 CODE: 1358 CODE:
1265 RETVAL = cctx_count; 1359 RETVAL = cctx_count;
1266 OUTPUT: 1360 OUTPUT:
1267 RETVAL 1361 RETVAL
1270cctx_idle () 1364cctx_idle ()
1271 CODE: 1365 CODE:
1272 RETVAL = cctx_idle; 1366 RETVAL = cctx_idle;
1273 OUTPUT: 1367 OUTPUT:
1274 RETVAL 1368 RETVAL
1369
1370void
1371list ()
1372 PPCODE:
1373{
1374 struct coro *coro;
1375 for (coro = coro_first; coro; coro = coro->next)
1376 if (coro->hv)
1377 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378}
1379
1380void
1381_eval (Coro::State coro, SV *coderef)
1382 CODE:
1383{
1384 if (coro->mainstack)
1385 {
1386 struct coro temp;
1387 Zero (&temp, 1, struct coro);
1388 temp.save = CORO_SAVE_ALL;
1389
1390 if (!(coro->flags & CF_RUNNING))
1391 {
1392 save_perl (aTHX_ &temp);
1393 load_perl (aTHX_ coro);
1394 }
1395
1396 {
1397 dSP;
1398 ENTER;
1399 SAVETMPS;
1400 PUSHMARK (SP);
1401 PUTBACK;
1402 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1403 SPAGAIN;
1404 FREETMPS;
1405 LEAVE;
1406 PUTBACK;
1407 }
1408
1409 if (!(coro->flags & CF_RUNNING))
1410 {
1411 save_perl (aTHX_ coro);
1412 load_perl (aTHX_ &temp);
1413 }
1414 }
1415}
1416
1417SV *
1418is_ready (Coro::State coro)
1419 PROTOTYPE: $
1420 ALIAS:
1421 is_ready = CF_READY
1422 is_running = CF_RUNNING
1423 is_new = CF_NEW
1424 is_destroyed = CF_DESTROYED
1425 CODE:
1426 RETVAL = boolSV (coro->flags & ix);
1427 OUTPUT:
1428 RETVAL
1429
1430IV
1431rss (Coro::State coro)
1432 PROTOTYPE: $
1433 CODE:
1434 RETVAL = coro_rss (coro);
1435 OUTPUT:
1436 RETVAL
1437
1275 1438
1276MODULE = Coro::State PACKAGE = Coro 1439MODULE = Coro::State PACKAGE = Coro
1277 1440
1278BOOT: 1441BOOT:
1279{ 1442{
1347 CODE: 1510 CODE:
1348 RETVAL = boolSV (api_ready (self)); 1511 RETVAL = boolSV (api_ready (self));
1349 OUTPUT: 1512 OUTPUT:
1350 RETVAL 1513 RETVAL
1351 1514
1352SV *
1353is_ready (SV *self)
1354 PROTOTYPE: $
1355 CODE:
1356 RETVAL = boolSV (api_is_ready (self));
1357 OUTPUT:
1358 RETVAL
1359
1360int 1515int
1361nready (...) 1516nready (...)
1362 PROTOTYPE: 1517 PROTOTYPE:
1363 CODE: 1518 CODE:
1364 RETVAL = coro_nready; 1519 RETVAL = coro_nready;

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