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Comparing Coro/Coro/State.xs (file contents):
Revision 1.404 by root, Fri Jun 10 12:27:02 2011 UTC vs.
Revision 1.444 by root, Thu May 1 08:09:18 2014 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */ 1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS 2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3 3
4#define NDEBUG 1 4#define NDEBUG 1 /* perl usually disables NDEBUG later */
5 5
6#include "libcoro/coro.c" 6#include "libcoro/coro.c"
7 7
8#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
9#define PERL_EXT 9#define PERL_EXT
… …
12#include "perl.h" 12#include "perl.h"
13#include "XSUB.h" 13#include "XSUB.h"
14#include "perliol.h" 14#include "perliol.h"
15 15
16#include "schmorp.h" 16#include "schmorp.h"
17
18#define ECB_NO_THREADS 1
19#define ECB_NO_LIBM 1
17#include "ecb.h" 20#include "ecb.h"
18 21
19#include <stddef.h> 22#include <stddef.h>
20#include <stdio.h> 23#include <stdio.h>
21#include <errno.h> 24#include <errno.h>
22#include <assert.h> 25#include <assert.h>
23 26
24#ifndef SVs_PADSTALE 27#ifndef SVs_PADSTALE
25# define SVs_PADSTALE 0 28# define SVs_PADSTALE 0
29#endif
30
31#ifdef PadARRAY
32# define NEWPADAPI 1
33# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
34#else
35typedef AV PADNAMELIST;
36# if !PERL_VERSION_ATLEAST(5,8,0)
37typedef AV PADLIST;
38typedef AV PAD;
39# endif
40# define PadlistARRAY(pl) ((PAD **)AvARRAY (pl))
41# define PadlistMAX(pl) AvFILLp (pl)
42# define PadlistNAMES(pl) (*PadlistARRAY (pl))
43# define PadARRAY AvARRAY
44# define PadMAX AvFILLp
45# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
46#endif
47
48/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
49/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
50#if PERL_VERSION_ATLEAST(5,19,0)
51# define SVt_BIND SVt_IV
26#endif 52#endif
27 53
28#if defined(_WIN32) 54#if defined(_WIN32)
29# undef HAS_GETTIMEOFDAY 55# undef HAS_GETTIMEOFDAY
30# undef setjmp 56# undef setjmp
… …
33# define setjmp _setjmp /* deep magic */ 59# define setjmp _setjmp /* deep magic */
34#else 60#else
35# include <inttypes.h> /* most portable stdint.h */ 61# include <inttypes.h> /* most portable stdint.h */
36#endif 62#endif
37 63
38#ifdef HAVE_MMAP
39# include <unistd.h>
40# include <sys/mman.h>
41# ifndef MAP_ANONYMOUS
42# ifdef MAP_ANON
43# define MAP_ANONYMOUS MAP_ANON
44# else
45# undef HAVE_MMAP
46# endif
47# endif
48# include <limits.h>
49# ifndef PAGESIZE
50# define PAGESIZE pagesize
51# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
52static long pagesize;
53# else
54# define BOOT_PAGESIZE (void)0
55# endif
56#else
57# define PAGESIZE 0
58# define BOOT_PAGESIZE (void)0
59#endif
60
61#if CORO_USE_VALGRIND
62# include <valgrind/valgrind.h>
63#endif
64
65/* the maximum number of idle cctx that will be pooled */ 64/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 65static int cctx_max_idle = 4;
67 66
68#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 67#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# undef CORO_STACKGUARD 68# define HAS_SCOPESTACK_NAME 1
70#endif
71
72#ifndef CORO_STACKGUARD
73# define CORO_STACKGUARD 0
74#endif 69#endif
75 70
76/* prefer perl internal functions over our own? */ 71/* prefer perl internal functions over our own? */
77#ifndef CORO_PREFER_PERL_FUNCTIONS 72#ifndef CORO_PREFER_PERL_FUNCTIONS
78# define CORO_PREFER_PERL_FUNCTIONS 0 73# define CORO_PREFER_PERL_FUNCTIONS 0
… …
169typedef struct coro_cctx 164typedef struct coro_cctx
170{ 165{
171 struct coro_cctx *next; 166 struct coro_cctx *next;
172 167
173 /* the stack */ 168 /* the stack */
174 void *sptr; 169 struct coro_stack stack;
175 size_t ssize;
176 170
177 /* cpu state */ 171 /* cpu state */
178 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 172 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
173#ifndef NDEBUG
179 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 174 JMPENV *idle_te; /* same as idle_sp, but for top_env */
175#endif
180 JMPENV *top_env; 176 JMPENV *top_env;
181 coro_context cctx; 177 coro_context cctx;
182 178
183 U32 gen; 179 U32 gen;
184#if CORO_USE_VALGRIND 180#if CORO_USE_VALGRIND
… …
204}; 200};
205 201
206/* the structure where most of the perl state is stored, overlaid on the cxstack */ 202/* the structure where most of the perl state is stored, overlaid on the cxstack */
207typedef struct 203typedef struct
208{ 204{
209 SV *defsv;
210 AV *defav;
211 SV *errsv;
212 SV *irsgv;
213 HV *hinthv;
214#define VAR(name,type) type name; 205 #define VARx(name,expr,type) type name;
215# include "state.h" 206 #include "state.h"
216#undef VAR
217} perl_slots; 207} perl_slots;
218 208
219// how many context stack entries do we need for perl_slots 209/* how many context stack entries do we need for perl_slots */
220#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 210#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
221 211
222/* this is a structure representing a perl-level coroutine */ 212/* this is a structure representing a perl-level coroutine */
223struct coro 213struct coro
224{ 214{
… …
290static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 280static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
291static CV *cv_coro_run; 281static CV *cv_coro_run;
292static struct coro *coro_first; 282static struct coro *coro_first;
293#define coro_nready coroapi.nready 283#define coro_nready coroapi.nready
294 284
285/** JIT *********************************************************************/
286
287#if CORO_JIT
288 /* APPLE doesn't have mmap though */
289 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
290 #ifndef CORO_JIT_TYPE
291 #if ECB_AMD64 && CORO_JIT_UNIXY
292 #define CORO_JIT_TYPE "amd64-unix"
293 #elif __i386 && CORO_JIT_UNIXY
294 #define CORO_JIT_TYPE "x86-unix"
295 #endif
296 #endif
297#endif
298
299#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
300 #undef CORO_JIT
301#endif
302
303#if CORO_JIT
304 typedef void (*load_save_perl_slots_type)(perl_slots *);
305 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
306#endif
307
295/** Coro::Select ************************************************************/ 308/** Coro::Select ************************************************************/
296 309
297static OP *(*coro_old_pp_sselect) (pTHX); 310static OP *(*coro_old_pp_sselect) (pTHX);
298static SV *coro_select_select; 311static SV *coro_select_select;
299 312
… …
314 327
315/** time stuff **************************************************************/ 328/** time stuff **************************************************************/
316 329
317#ifdef HAS_GETTIMEOFDAY 330#ifdef HAS_GETTIMEOFDAY
318 331
319ECB_INLINE void 332ecb_inline void
320coro_u2time (pTHX_ UV ret[2]) 333coro_u2time (pTHX_ UV ret[2])
321{ 334{
322 struct timeval tv; 335 struct timeval tv;
323 gettimeofday (&tv, 0); 336 gettimeofday (&tv, 0);
324 337
325 ret [0] = tv.tv_sec; 338 ret [0] = tv.tv_sec;
326 ret [1] = tv.tv_usec; 339 ret [1] = tv.tv_usec;
327} 340}
328 341
329ECB_INLINE double 342ecb_inline double
330coro_nvtime () 343coro_nvtime (void)
331{ 344{
332 struct timeval tv; 345 struct timeval tv;
333 gettimeofday (&tv, 0); 346 gettimeofday (&tv, 0);
334 347
335 return tv.tv_sec + tv.tv_usec * 1e-6; 348 return tv.tv_sec + tv.tv_usec * 1e-6;
336} 349}
337 350
338ECB_INLINE void 351ecb_inline void
339time_init (pTHX) 352time_init (pTHX)
340{ 353{
341 nvtime = coro_nvtime; 354 nvtime = coro_nvtime;
342 u2time = coro_u2time; 355 u2time = coro_u2time;
343} 356}
344 357
345#else 358#else
346 359
347ECB_INLINE void 360ecb_inline void
348time_init (pTHX) 361time_init (pTHX)
349{ 362{
350 SV **svp; 363 SV **svp;
351 364
352 require_pv ("Time/HiRes.pm"); 365 require_pv ("Time/HiRes.pm");
353 366
354 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 367 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
355 368
356 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 369 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
357 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); 370 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
358 371
… …
394 get_hv (name, create); 407 get_hv (name, create);
395#endif 408#endif
396 return get_hv (name, create); 409 return get_hv (name, create);
397} 410}
398 411
399ECB_INLINE void 412ecb_inline void
400coro_times_update () 413coro_times_update (void)
401{ 414{
402#ifdef coro_clock_gettime 415#ifdef coro_clock_gettime
403 struct timespec ts; 416 struct timespec ts;
404 417
405 ts.tv_sec = ts.tv_nsec = 0; 418 ts.tv_sec = ts.tv_nsec = 0;
… …
417 time_real [0] = tv [0]; 430 time_real [0] = tv [0];
418 time_real [1] = tv [1] * 1000; 431 time_real [1] = tv [1] * 1000;
419#endif 432#endif
420} 433}
421 434
422ECB_INLINE void 435ecb_inline void
423coro_times_add (struct coro *c) 436coro_times_add (struct coro *c)
424{ 437{
425 c->t_real [1] += time_real [1]; 438 c->t_real [1] += time_real [1];
426 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 439 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
427 c->t_real [0] += time_real [0]; 440 c->t_real [0] += time_real [0];
… …
429 c->t_cpu [1] += time_cpu [1]; 442 c->t_cpu [1] += time_cpu [1];
430 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 443 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
431 c->t_cpu [0] += time_cpu [0]; 444 c->t_cpu [0] += time_cpu [0];
432} 445}
433 446
434ECB_INLINE void 447ecb_inline void
435coro_times_sub (struct coro *c) 448coro_times_sub (struct coro *c)
436{ 449{
437 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 450 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
438 c->t_real [1] -= time_real [1]; 451 c->t_real [1] -= time_real [1];
439 c->t_real [0] -= time_real [0]; 452 c->t_real [0] -= time_real [0];
… …
460 : 0) 473 : 0)
461 474
462#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 475#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
463#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 476#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
464 477
465ECB_INLINE MAGIC * 478ecb_inline MAGIC *
466SvSTATEhv_p (pTHX_ SV *coro) 479SvSTATEhv_p (pTHX_ SV *coro)
467{ 480{
468 MAGIC *mg; 481 MAGIC *mg;
469 482
470 if (ecb_expect_true ( 483 if (ecb_expect_true (
… …
475 return mg; 488 return mg;
476 489
477 return 0; 490 return 0;
478} 491}
479 492
480ECB_INLINE struct coro * 493ecb_inline struct coro *
481SvSTATE_ (pTHX_ SV *coro) 494SvSTATE_ (pTHX_ SV *coro)
482{ 495{
483 MAGIC *mg; 496 MAGIC *mg;
484 497
485 if (SvROK (coro)) 498 if (SvROK (coro))
… …
499#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 512#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
500 513
501/*****************************************************************************/ 514/*****************************************************************************/
502/* padlist management and caching */ 515/* padlist management and caching */
503 516
504ECB_INLINE AV * 517ecb_inline PADLIST *
505coro_derive_padlist (pTHX_ CV *cv) 518coro_derive_padlist (pTHX_ CV *cv)
506{ 519{
507 AV *padlist = CvPADLIST (cv); 520 PADLIST *padlist = CvPADLIST (cv);
508 AV *newpadlist, *newpad; 521 PADLIST *newpadlist;
522 PAD *newpad;
523 PADOFFSET off = PadlistMAX (padlist) + 1;
509 524
510 newpadlist = newAV (); 525#if NEWPADAPI
526
527 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
528 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
529 while (!PadlistARRAY (padlist)[off - 1])
530 --off;
531
532 Perl_pad_push (aTHX_ padlist, off);
533
534 newpad = PadlistARRAY (padlist)[off];
535 PadlistARRAY (padlist)[off] = 0;
536
537#else
538
539#if PERL_VERSION_ATLEAST (5,10,0)
540 Perl_pad_push (aTHX_ padlist, off);
541#else
542 Perl_pad_push (aTHX_ padlist, off, 1);
543#endif
544
545 newpad = PadlistARRAY (padlist)[off];
546 PadlistMAX (padlist) = off - 1;
547
548#endif
549
550 newPADLIST (newpadlist);
551#if !PERL_VERSION_ATLEAST(5,15,3)
552 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
511 AvREAL_off (newpadlist); 553 AvREAL_off (newpadlist);
512#if PERL_VERSION_ATLEAST (5,10,0)
513 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
514#else
515 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
516#endif 554#endif
517 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
518 --AvFILLp (padlist);
519 555
520 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 556 /* Already extended to 2 elements by newPADLIST. */
521 av_store (newpadlist, 1, (SV *)newpad); 557 PadlistMAX (newpadlist) = 1;
558 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));
559 PadlistARRAY (newpadlist)[1] = newpad;
522 560
523 return newpadlist; 561 return newpadlist;
524} 562}
525 563
526ECB_INLINE void 564ecb_inline void
527free_padlist (pTHX_ AV *padlist) 565free_padlist (pTHX_ PADLIST *padlist)
528{ 566{
529 /* may be during global destruction */ 567 /* may be during global destruction */
530 if (!IN_DESTRUCT) 568 if (!IN_DESTRUCT)
531 { 569 {
532 I32 i = AvFILLp (padlist); 570 I32 i = PadlistMAX (padlist);
533 571
534 while (i > 0) /* special-case index 0 */ 572 while (i > 0) /* special-case index 0 */
535 { 573 {
536 /* we try to be extra-careful here */ 574 /* we try to be extra-careful here */
537 AV *av = (AV *)AvARRAY (padlist)[i--]; 575 PAD *pad = PadlistARRAY (padlist)[i--];
538 I32 j = AvFILLp (av);
539 576
577 if (pad)
578 {
579 I32 j = PadMAX (pad);
580
540 while (j >= 0) 581 while (j >= 0)
541 SvREFCNT_dec (AvARRAY (av)[j--]); 582 SvREFCNT_dec (PadARRAY (pad)[j--]);
542 583
543 AvFILLp (av) = -1; 584 PadMAX (pad) = -1;
544 SvREFCNT_dec (av); 585 SvREFCNT_dec (pad);
586 }
545 } 587 }
546 588
547 SvREFCNT_dec (AvARRAY (padlist)[0]); 589 SvREFCNT_dec (PadlistNAMES (padlist));
548 590
591#if NEWPADAPI
592 Safefree (PadlistARRAY (padlist));
593 Safefree (padlist);
594#else
549 AvFILLp (padlist) = -1; 595 AvFILLp (padlist) = -1;
596 AvREAL_off (padlist);
550 SvREFCNT_dec ((SV*)padlist); 597 SvREFCNT_dec ((SV*)padlist);
598#endif
551 } 599 }
552} 600}
553 601
554static int 602static int
555coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 603coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
556{ 604{
557 AV *padlist; 605 PADLIST *padlist;
558 AV *av = (AV *)mg->mg_obj; 606 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
607 size_t len = *(size_t *)mg->mg_ptr;
559 608
560 /* perl manages to free our internal AV and _then_ call us */ 609 /* perl manages to free our internal AV and _then_ call us */
561 if (IN_DESTRUCT) 610 if (IN_DESTRUCT)
562 return 0; 611 return 0;
563 612
564 /* casting is fun. */ 613 while (len--)
565 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
566 free_padlist (aTHX_ padlist); 614 free_padlist (aTHX_ padlists[len]);
567
568 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
569 615
570 return 0; 616 return 0;
571} 617}
572 618
573static MGVTBL coro_cv_vtbl = { 619static MGVTBL coro_cv_vtbl = {
574 0, 0, 0, 0, 620 0, 0, 0, 0,
575 coro_cv_free 621 coro_cv_free
576}; 622};
577 623
578/* the next two functions merely cache the padlists */ 624/* the next two functions merely cache the padlists */
579ECB_INLINE void 625ecb_inline void
580get_padlist (pTHX_ CV *cv) 626get_padlist (pTHX_ CV *cv)
581{ 627{
582 MAGIC *mg = CORO_MAGIC_cv (cv); 628 MAGIC *mg = CORO_MAGIC_cv (cv);
583 AV *av; 629 size_t *lenp;
584 630
585 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 631 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
586 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 632 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
587 else 633 else
588 { 634 {
589#if CORO_PREFER_PERL_FUNCTIONS 635#if CORO_PREFER_PERL_FUNCTIONS
590 /* this is probably cleaner? but also slower! */ 636 /* this is probably cleaner? but also slower! */
591 /* in practise, it seems to be less stable */ 637 /* in practise, it seems to be less stable */
… …
597 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 643 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
598#endif 644#endif
599 } 645 }
600} 646}
601 647
602ECB_INLINE void 648ecb_inline void
603put_padlist (pTHX_ CV *cv) 649put_padlist (pTHX_ CV *cv)
604{ 650{
605 MAGIC *mg = CORO_MAGIC_cv (cv); 651 MAGIC *mg = CORO_MAGIC_cv (cv);
606 AV *av;
607 652
608 if (ecb_expect_false (!mg)) 653 if (ecb_expect_false (!mg))
654 {
609 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 655 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
656 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
657 mg->mg_len = 1; /* so mg_free frees mg_ptr */
658 }
659 else
660 Renew (mg->mg_ptr,
661 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
662 char);
610 663
611 av = (AV *)mg->mg_obj; 664 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
612
613 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
614 av_extend (av, AvFILLp (av) + 1);
615
616 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
617} 665}
618 666
619/** load & save, init *******************************************************/ 667/** load & save, init *******************************************************/
620 668
669ecb_inline void
670swap_sv (SV *a, SV *b)
671{
672 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
673 SV tmp;
674
675 /* swap sv_any */
676 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
677
678 /* swap sv_flags */
679 SvFLAGS (&tmp) = SvFLAGS (a);
680 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
681 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
682
683#if PERL_VERSION_ATLEAST (5,10,0)
684 /* perl 5.10 and later complicates this _quite_ a bit, but it also
685 * is much faster, so no quarrels here. alternatively, we could
686 * sv_upgrade to avoid this.
687 */
688 {
689 /* swap sv_u */
690 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
691
692 /* if SvANY points to the head, we need to adjust the pointers,
693 * as the pointer for a still points to b, and maybe vice versa.
694 */
695 #define svany_in_head(type) \
696 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
697
698 if (svany_in_head (SvTYPE (a)))
699 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
700
701 if (svany_in_head (SvTYPE (b)))
702 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
703 }
704#endif
705}
706
621/* swap sv heads, at least logically */ 707/* swap sv heads, at least logically */
622static void 708static void
623swap_svs (pTHX_ Coro__State c) 709swap_svs (pTHX_ Coro__State c)
624{ 710{
625 int i; 711 int i;
626 712
627 for (i = 0; i <= AvFILLp (c->swap_sv); ) 713 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
628 { 714 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
629 SV *a = AvARRAY (c->swap_sv)[i++];
630 SV *b = AvARRAY (c->swap_sv)[i++];
631
632 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
633 SV tmp;
634
635 /* swap sv_any */
636 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
637
638 /* swap sv_flags */
639 SvFLAGS (&tmp) = SvFLAGS (a);
640 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
641 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
642
643#if PERL_VERSION_ATLEAST (5,10,0)
644 /* perl 5.10 complicates this _quite_ a bit, but it also is
645 * much faster, so no quarrels here. alternatively, we could
646 * sv_upgrade to avoid this.
647 */
648 {
649 /* swap sv_u */
650 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
651
652 /* if SvANY points to the head, we need to adjust the pointers,
653 * as the pointer for a still points to b, and maybe vice versa.
654 */
655 #define svany_in_head(type) \
656 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
657
658 if (svany_in_head (SvTYPE (a)))
659 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
660
661 if (svany_in_head (SvTYPE (b)))
662 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
663 }
664#endif
665 }
666} 715}
667 716
668#define SWAP_SVS(coro) \ 717#define SWAP_SVS(coro) \
669 if (ecb_expect_false ((coro)->swap_sv)) \ 718 if (ecb_expect_false ((coro)->swap_sv)) \
670 swap_svs (aTHX_ (coro)) 719 swap_svs (aTHX_ (coro))
… …
678 perl_slots *slot = c->slot; 727 perl_slots *slot = c->slot;
679 c->slot = 0; 728 c->slot = 0;
680 729
681 PL_mainstack = c->mainstack; 730 PL_mainstack = c->mainstack;
682 731
683 GvSV (PL_defgv) = slot->defsv; 732#if CORO_JIT
684 GvAV (PL_defgv) = slot->defav; 733 load_perl_slots (slot);
685 GvSV (PL_errgv) = slot->errsv; 734#else
686 GvSV (irsgv) = slot->irsgv;
687 GvHV (PL_hintgv) = slot->hinthv;
688
689 #define VAR(name,type) PL_ ## name = slot->name; 735 #define VARx(name,expr,type) expr = slot->name;
690 # include "state.h" 736 #include "state.h"
691 #undef VAR 737#endif
692 738
693 { 739 {
694 dSP; 740 dSP;
695 741
696 CV *cv; 742 CV *cv;
… …
698 /* now do the ugly restore mess */ 744 /* now do the ugly restore mess */
699 while (ecb_expect_true (cv = (CV *)POPs)) 745 while (ecb_expect_true (cv = (CV *)POPs))
700 { 746 {
701 put_padlist (aTHX_ cv); /* mark this padlist as available */ 747 put_padlist (aTHX_ cv); /* mark this padlist as available */
702 CvDEPTH (cv) = PTR2IV (POPs); 748 CvDEPTH (cv) = PTR2IV (POPs);
703 CvPADLIST (cv) = (AV *)POPs; 749 CvPADLIST (cv) = (PADLIST *)POPs;
704 } 750 }
705 751
706 PUTBACK; 752 PUTBACK;
707 } 753 }
708 754
… …
798 844
799 PUTBACK; 845 PUTBACK;
800 } 846 }
801 847
802 /* allocate some space on the context stack for our purposes */ 848 /* allocate some space on the context stack for our purposes */
803 if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) 849 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
804 { 850 {
805 unsigned int i; 851 unsigned int i;
806 852
807 for (i = 0; i < SLOT_COUNT; ++i) 853 for (i = 0; i < SLOT_COUNT; ++i)
808 CXINC; 854 CXINC;
… …
813 c->mainstack = PL_mainstack; 859 c->mainstack = PL_mainstack;
814 860
815 { 861 {
816 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 862 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
817 863
818 slot->defav = GvAV (PL_defgv); 864#if CORO_JIT
819 slot->defsv = DEFSV; 865 save_perl_slots (slot);
820 slot->errsv = ERRSV; 866#else
821 slot->irsgv = GvSV (irsgv);
822 slot->hinthv = GvHV (PL_hintgv);
823
824 #define VAR(name,type) slot->name = PL_ ## name; 867 #define VARx(name,expr,type) slot->name = expr;
825 # include "state.h" 868 #include "state.h"
826 #undef VAR 869#endif
827 } 870 }
828} 871}
829 872
830/* 873/*
831 * allocate various perl stacks. This is almost an exact copy 874 * allocate various perl stacks. This is almost an exact copy
… …
862#endif 905#endif
863 906
864 New(54,PL_scopestack,8,I32); 907 New(54,PL_scopestack,8,I32);
865 PL_scopestack_ix = 0; 908 PL_scopestack_ix = 0;
866 PL_scopestack_max = 8; 909 PL_scopestack_max = 8;
910#if HAS_SCOPESTACK_NAME
911 New(54,PL_scopestack_name,8,const char*);
912#endif
867 913
868 New(54,PL_savestack,24,ANY); 914 New(54,PL_savestack,24,ANY);
869 PL_savestack_ix = 0; 915 PL_savestack_ix = 0;
870 PL_savestack_max = 24; 916 PL_savestack_max = 24;
871 917
… …
899 } 945 }
900 946
901 Safefree (PL_tmps_stack); 947 Safefree (PL_tmps_stack);
902 Safefree (PL_markstack); 948 Safefree (PL_markstack);
903 Safefree (PL_scopestack); 949 Safefree (PL_scopestack);
950#if HAS_SCOPESTACK_NAME
951 Safefree (PL_scopestack_name);
952#endif
904 Safefree (PL_savestack); 953 Safefree (PL_savestack);
905#if !PERL_VERSION_ATLEAST (5,10,0) 954#if !PERL_VERSION_ATLEAST (5,10,0)
906 Safefree (PL_retstack); 955 Safefree (PL_retstack);
907#endif 956#endif
908} 957}
… …
968 { 1017 {
969 SV **svp = 0; 1018 SV **svp = 0;
970 1019
971 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1020 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
972 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1021 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
973 1022
974 if (svp) 1023 if (svp)
975 { 1024 {
976 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1025 SV *ssv;
1026
1027 if (!*svp)
1028 ssv = &PL_sv_undef;
1029 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1030 ssv = sv_2mortal (newRV_inc (*svp));
1031 else
1032 ssv = *svp;
1033
1034 sv_setsv (sv, ssv);
977 return 0; 1035 return 0;
978 } 1036 }
979 } 1037 }
980 1038
981 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1039 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
… …
1075 PL_hints = 0; 1133 PL_hints = 0;
1076 1134
1077 /* recreate the die/warn hooks */ 1135 /* recreate the die/warn hooks */
1078 PL_diehook = SvREFCNT_inc (rv_diehook); 1136 PL_diehook = SvREFCNT_inc (rv_diehook);
1079 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1137 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1080 1138
1081 GvSV (PL_defgv) = newSV (0); 1139 GvSV (PL_defgv) = newSV (0);
1082 GvAV (PL_defgv) = coro->args; coro->args = 0; 1140 GvAV (PL_defgv) = coro->args; coro->args = 0;
1083 GvSV (PL_errgv) = newSV (0); 1141 GvSV (PL_errgv) = newSV (0);
1084 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1142 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1085 GvHV (PL_hintgv) = 0; 1143 GvHV (PL_hintgv) = 0;
… …
1173 /* restore swapped sv's */ 1231 /* restore swapped sv's */
1174 SWAP_SVS (coro); 1232 SWAP_SVS (coro);
1175 1233
1176 coro_destruct_stacks (aTHX); 1234 coro_destruct_stacks (aTHX);
1177 1235
1178 // now save some sv's to be free'd later 1236 /* now save some sv's to be free'd later */
1179 svf [0] = GvSV (PL_defgv); 1237 svf [0] = GvSV (PL_defgv);
1180 svf [1] = (SV *)GvAV (PL_defgv); 1238 svf [1] = (SV *)GvAV (PL_defgv);
1181 svf [2] = GvSV (PL_errgv); 1239 svf [2] = GvSV (PL_errgv);
1182 svf [3] = (SV *)PL_defoutgv; 1240 svf [3] = (SV *)PL_defoutgv;
1183 svf [4] = PL_rs; 1241 svf [4] = PL_rs;
… …
1203 SvREFCNT_dec (coro->invoke_cb); 1261 SvREFCNT_dec (coro->invoke_cb);
1204 SvREFCNT_dec (coro->invoke_av); 1262 SvREFCNT_dec (coro->invoke_av);
1205 } 1263 }
1206} 1264}
1207 1265
1208ECB_INLINE void 1266ecb_inline void
1209free_coro_mortal (pTHX) 1267free_coro_mortal (pTHX)
1210{ 1268{
1211 if (ecb_expect_true (coro_mortal)) 1269 if (ecb_expect_true (coro_mortal))
1212 { 1270 {
1213 SvREFCNT_dec ((SV *)coro_mortal); 1271 SvREFCNT_dec ((SV *)coro_mortal);
… …
1372 slf_frame.prepare = slf_prepare_set_stacklevel; 1430 slf_frame.prepare = slf_prepare_set_stacklevel;
1373 slf_frame.check = slf_check_set_stacklevel; 1431 slf_frame.check = slf_check_set_stacklevel;
1374} 1432}
1375 1433
1376/* the tail of transfer: execute stuff we can only do after a transfer */ 1434/* the tail of transfer: execute stuff we can only do after a transfer */
1377ECB_INLINE void 1435ecb_inline void
1378transfer_tail (pTHX) 1436transfer_tail (pTHX)
1379{ 1437{
1380 free_coro_mortal (aTHX); 1438 free_coro_mortal (aTHX);
1439}
1440
1441/* try to exit the same way perl's main function would do */
1442/* we do not bother resetting the environment or other things *7
1443/* that are not, uhm, essential */
1444/* this obviously also doesn't work when perl is embedded */
1445static void ecb_noinline ecb_cold
1446perlish_exit (pTHX)
1447{
1448 int exitstatus = perl_destruct (PL_curinterp);
1449 perl_free (PL_curinterp);
1450 exit (exitstatus);
1381} 1451}
1382 1452
1383/* 1453/*
1384 * this is a _very_ stripped down perl interpreter ;) 1454 * this is a _very_ stripped down perl interpreter ;)
1385 */ 1455 */
… …
1414 */ 1484 */
1415 1485
1416 /* 1486 /*
1417 * If perl-run returns we assume exit() was being called or the coro 1487 * If perl-run returns we assume exit() was being called or the coro
1418 * fell off the end, which seems to be the only valid (non-bug) 1488 * fell off the end, which seems to be the only valid (non-bug)
1419 * reason for perl_run to return. We try to exit by jumping to the 1489 * reason for perl_run to return. We try to mimic whatever perl is normally
1420 * bootstrap-time "top" top_env, as we cannot restore the "main" 1490 * doing in that case. YMMV.
1421 * coroutine as Coro has no such concept.
1422 * This actually isn't valid with the pthread backend, but OSes requiring
1423 * that backend are too broken to do it in a standards-compliant way.
1424 */ 1491 */
1425 PL_top_env = main_top_env; 1492 perlish_exit (aTHX);
1426 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1427 } 1493 }
1428} 1494}
1429 1495
1430static coro_cctx * 1496static coro_cctx *
1431cctx_new () 1497cctx_new (void)
1432{ 1498{
1433 coro_cctx *cctx; 1499 coro_cctx *cctx;
1434 1500
1435 ++cctx_count; 1501 ++cctx_count;
1436 New (0, cctx, 1, coro_cctx); 1502 New (0, cctx, 1, coro_cctx);
… …
1442 return cctx; 1508 return cctx;
1443} 1509}
1444 1510
1445/* create a new cctx only suitable as source */ 1511/* create a new cctx only suitable as source */
1446static coro_cctx * 1512static coro_cctx *
1447cctx_new_empty () 1513cctx_new_empty (void)
1448{ 1514{
1449 coro_cctx *cctx = cctx_new (); 1515 coro_cctx *cctx = cctx_new ();
1450 1516
1451 cctx->sptr = 0; 1517 cctx->stack.sptr = 0;
1452 coro_create (&cctx->cctx, 0, 0, 0, 0); 1518 coro_create (&cctx->cctx, 0, 0, 0, 0);
1453 1519
1454 return cctx; 1520 return cctx;
1455} 1521}
1456 1522
1457/* create a new cctx suitable as destination/running a perl interpreter */ 1523/* create a new cctx suitable as destination/running a perl interpreter */
1458static coro_cctx * 1524static coro_cctx *
1459cctx_new_run () 1525cctx_new_run (void)
1460{ 1526{
1461 coro_cctx *cctx = cctx_new (); 1527 coro_cctx *cctx = cctx_new ();
1462 void *stack_start;
1463 size_t stack_size;
1464 1528
1465#if HAVE_MMAP 1529 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1466 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1467 /* mmap supposedly does allocate-on-write for us */
1468 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1469
1470 if (cctx->sptr != (void *)-1)
1471 {
1472 #if CORO_STACKGUARD
1473 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1474 #endif
1475 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1476 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1477 cctx->flags |= CC_MAPPED;
1478 } 1530 {
1479 else
1480#endif
1481 {
1482 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1483 New (0, cctx->sptr, cctx_stacksize, long);
1484
1485 if (!cctx->sptr)
1486 {
1487 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1531 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1488 _exit (EXIT_FAILURE); 1532 _exit (EXIT_FAILURE);
1489 }
1490
1491 stack_start = cctx->sptr;
1492 stack_size = cctx->ssize;
1493 } 1533 }
1494 1534
1495 #if CORO_USE_VALGRIND
1496 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1497 #endif
1498
1499 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1535 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1500 1536
1501 return cctx; 1537 return cctx;
1502} 1538}
1503 1539
1504static void 1540static void
… …
1510 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1546 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1511 1547
1512 --cctx_count; 1548 --cctx_count;
1513 coro_destroy (&cctx->cctx); 1549 coro_destroy (&cctx->cctx);
1514 1550
1515 /* coro_transfer creates new, empty cctx's */ 1551 coro_stack_free (&cctx->stack);
1516 if (cctx->sptr)
1517 {
1518 #if CORO_USE_VALGRIND
1519 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1520 #endif
1521
1522#if HAVE_MMAP
1523 if (cctx->flags & CC_MAPPED)
1524 munmap (cctx->sptr, cctx->ssize);
1525 else
1526#endif
1527 Safefree (cctx->sptr);
1528 }
1529 1552
1530 Safefree (cctx); 1553 Safefree (cctx);
1531} 1554}
1532 1555
1533/* wether this cctx should be destructed */ 1556/* wether this cctx should be destructed */
… …
1552} 1575}
1553 1576
1554static void 1577static void
1555cctx_put (coro_cctx *cctx) 1578cctx_put (coro_cctx *cctx)
1556{ 1579{
1557 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1580 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1558 1581
1559 /* free another cctx if overlimit */ 1582 /* free another cctx if overlimit */
1560 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1583 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1561 { 1584 {
1562 coro_cctx *first = cctx_first; 1585 coro_cctx *first = cctx_first;
… …
1688 return; 1711 return;
1689 1712
1690 slf_destroy (aTHX_ coro); 1713 slf_destroy (aTHX_ coro);
1691 1714
1692 coro->flags |= CF_ZOMBIE; 1715 coro->flags |= CF_ZOMBIE;
1693 1716
1694 if (coro->flags & CF_READY) 1717 if (coro->flags & CF_READY)
1695 { 1718 {
1696 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1719 /* reduce nready, as destroying a ready coro effectively unreadies it */
1697 /* alternative: look through all ready queues and remove the coro */ 1720 /* alternative: look through all ready queues and remove the coro */
1698 --coro_nready; 1721 --coro_nready;
… …
1775 TRANSFER (ta, 1); 1798 TRANSFER (ta, 1);
1776} 1799}
1777 1800
1778/** Coro ********************************************************************/ 1801/** Coro ********************************************************************/
1779 1802
1780ECB_INLINE void 1803ecb_inline void
1781coro_enq (pTHX_ struct coro *coro) 1804coro_enq (pTHX_ struct coro *coro)
1782{ 1805{
1783 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1806 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1784 1807
1785 SvREFCNT_inc_NN (coro->hv); 1808 SvREFCNT_inc_NN (coro->hv);
… …
1787 coro->next_ready = 0; 1810 coro->next_ready = 0;
1788 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1811 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1789 ready [1] = coro; 1812 ready [1] = coro;
1790} 1813}
1791 1814
1792ECB_INLINE struct coro * 1815ecb_inline struct coro *
1793coro_deq (pTHX) 1816coro_deq (pTHX)
1794{ 1817{
1795 int prio; 1818 int prio;
1796 1819
1797 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1820 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
… …
1850{ 1873{
1851 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1874 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1852} 1875}
1853 1876
1854/* expects to own a reference to next->hv */ 1877/* expects to own a reference to next->hv */
1855ECB_INLINE void 1878ecb_inline void
1856prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1879prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1857{ 1880{
1858 SV *prev_sv = SvRV (coro_current); 1881 SV *prev_sv = SvRV (coro_current);
1859 1882
1860 ta->prev = SvSTATE_hv (prev_sv); 1883 ta->prev = SvSTATE_hv (prev_sv);
… …
1894 /* nothing to schedule: call the idle handler */ 1917 /* nothing to schedule: call the idle handler */
1895 if (SvROK (sv_idle) 1918 if (SvROK (sv_idle)
1896 && SvOBJECT (SvRV (sv_idle))) 1919 && SvOBJECT (SvRV (sv_idle)))
1897 { 1920 {
1898 if (SvRV (sv_idle) == SvRV (coro_current)) 1921 if (SvRV (sv_idle) == SvRV (coro_current))
1922 {
1923 require_pv ("Carp");
1924
1925 {
1926 dSP;
1927
1928 ENTER;
1929 SAVETMPS;
1930
1931 PUSHMARK (SP);
1899 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1932 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1933 PUTBACK;
1934 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1935
1936 FREETMPS;
1937 LEAVE;
1938 }
1939 }
1900 1940
1901 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1941 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1902 api_ready (aTHX_ SvRV (sv_idle)); 1942 api_ready (aTHX_ SvRV (sv_idle));
1903 --coro_nready; 1943 --coro_nready;
1904 } 1944 }
… …
1919 } 1959 }
1920 } 1960 }
1921 } 1961 }
1922} 1962}
1923 1963
1924ECB_INLINE void 1964ecb_inline void
1925prepare_cede (pTHX_ struct coro_transfer_args *ta) 1965prepare_cede (pTHX_ struct coro_transfer_args *ta)
1926{ 1966{
1927 api_ready (aTHX_ coro_current); 1967 api_ready (aTHX_ coro_current);
1928 prepare_schedule (aTHX_ ta); 1968 prepare_schedule (aTHX_ ta);
1929} 1969}
1930 1970
1931ECB_INLINE void 1971ecb_inline void
1932prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1972prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1933{ 1973{
1934 SV *prev = SvRV (coro_current); 1974 SV *prev = SvRV (coro_current);
1935 1975
1936 if (coro_nready) 1976 if (coro_nready)
… …
2101{ 2141{
2102 AV *od = coro->on_destroy; 2142 AV *od = coro->on_destroy;
2103 2143
2104 if (!od) 2144 if (!od)
2105 return; 2145 return;
2146
2147 coro->on_destroy = 0;
2148 sv_2mortal ((SV *)od);
2106 2149
2107 while (AvFILLp (od) >= 0) 2150 while (AvFILLp (od) >= 0)
2108 { 2151 {
2109 SV *cb = sv_2mortal (av_pop (od)); 2152 SV *cb = sv_2mortal (av_pop (od));
2110 2153
… …
2131 2174
2132static void 2175static void
2133coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2176coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2134{ 2177{
2135 AV *av; 2178 AV *av;
2136 2179
2137 if (coro->status) 2180 if (coro->status)
2138 { 2181 {
2139 av = coro->status; 2182 av = coro->status;
2140 av_clear (av); 2183 av_clear (av);
2141 } 2184 }
… …
2188 2231
2189 coro = SvSTATE (arg [0]); 2232 coro = SvSTATE (arg [0]);
2190 coro_hv = coro->hv; 2233 coro_hv = coro->hv;
2191 2234
2192 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2235 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2193 2236
2194 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2237 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2195 { 2238 {
2196 /* coro currently busy cancelling something, so just notify it */ 2239 /* coro currently busy cancelling something, so just notify it */
2197 coro->slf_frame.data = (void *)coro; 2240 coro->slf_frame.data = (void *)coro;
2198 2241
… …
2205 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2248 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2206 } 2249 }
2207 else 2250 else
2208 { 2251 {
2209 struct coro *self = SvSTATE_current; 2252 struct coro *self = SvSTATE_current;
2253
2254 if (!self)
2255 croak ("Coro::cancel called outside of thread content,");
2210 2256
2211 /* otherwise we cancel directly, purely for speed reasons 2257 /* otherwise we cancel directly, purely for speed reasons
2212 * unfortunately, this requires some magic trickery, as 2258 * unfortunately, this requires some magic trickery, as
2213 * somebody else could cancel us, so we have to fight the cancellation. 2259 * somebody else could cancel us, so we have to fight the cancellation.
2214 * this is ugly, and hopefully fully worth the extra speed. 2260 * this is ugly, and hopefully fully worth the extra speed.
… …
2377 2423
2378static int 2424static int
2379slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2425slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2380{ 2426{
2381 SV *data = (SV *)frame->data; 2427 SV *data = (SV *)frame->data;
2382 2428
2383 if (CORO_THROW) 2429 if (CORO_THROW)
2384 return 0; 2430 return 0;
2385 2431
2386 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2432 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2387 return 1; 2433 return 1;
… …
2423 cb = sv_2mortal (coro->rouse_cb); 2469 cb = sv_2mortal (coro->rouse_cb);
2424 coro->rouse_cb = 0; 2470 coro->rouse_cb = 0;
2425 } 2471 }
2426 2472
2427 if (!SvROK (cb) 2473 if (!SvROK (cb)
2428 || SvTYPE (SvRV (cb)) != SVt_PVCV 2474 || SvTYPE (SvRV (cb)) != SVt_PVCV
2429 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2475 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2430 croak ("Coro::rouse_wait called with illegal callback argument,"); 2476 croak ("Coro::rouse_wait called with illegal callback argument,");
2431 2477
2432 { 2478 {
2433 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2479 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
… …
2556 2602
2557/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2603/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2558static void 2604static void
2559slf_destroy (pTHX_ struct coro *coro) 2605slf_destroy (pTHX_ struct coro *coro)
2560{ 2606{
2561 /* this callback is reserved for slf functions needing to do cleanup */ 2607 struct CoroSLF frame = coro->slf_frame;
2562 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2563 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2564 2608
2565 /* 2609 /*
2566 * The on_destroy above most likely is from an SLF call. 2610 * The on_destroy below most likely is from an SLF call.
2567 * Since by definition the SLF call will not finish when we destroy 2611 * Since by definition the SLF call will not finish when we destroy
2568 * the coro, we will have to force-finish it here, otherwise 2612 * the coro, we will have to force-finish it here, otherwise
2569 * cleanup functions cannot call SLF functions. 2613 * cleanup functions cannot call SLF functions.
2570 */ 2614 */
2571 coro->slf_frame.prepare = 0; 2615 coro->slf_frame.prepare = 0;
2616
2617 /* this callback is reserved for slf functions needing to do cleanup */
2618 if (frame.destroy && frame.prepare && !PL_dirty)
2619 frame.destroy (aTHX_ &frame);
2572} 2620}
2573 2621
2574/* 2622/*
2575 * these not obviously related functions are all rolled into one 2623 * these not obviously related functions are all rolled into one
2576 * function to increase chances that they all will call transfer with the same 2624 * function to increase chances that they all will call transfer with the same
… …
2916{ 2964{
2917 AV *av = (AV *)frame->data; 2965 AV *av = (AV *)frame->data;
2918 SV *count_sv = AvARRAY (av)[0]; 2966 SV *count_sv = AvARRAY (av)[0];
2919 SV *coro_hv = SvRV (coro_current); 2967 SV *coro_hv = SvRV (coro_current);
2920 2968
2969 frame->destroy = 0;
2970
2921 /* if we are about to throw, don't actually acquire the lock, just throw */ 2971 /* if we are about to throw, don't actually acquire the lock, just throw */
2922 if (CORO_THROW) 2972 if (ecb_expect_false (CORO_THROW))
2973 {
2974 /* we still might be responsible for the semaphore, so wake up others */
2975 coro_semaphore_adjust (aTHX_ av, 0);
2976
2923 return 0; 2977 return 0;
2978 }
2924 else if (SvIVX (count_sv) > 0) 2979 else if (SvIVX (count_sv) > 0)
2925 { 2980 {
2926 frame->destroy = 0;
2927
2928 if (acquire) 2981 if (acquire)
2929 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2982 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2930 else 2983 else
2931 coro_semaphore_adjust (aTHX_ av, 0); 2984 coro_semaphore_adjust (aTHX_ av, 0);
2932 2985
… …
2936 { 2989 {
2937 int i; 2990 int i;
2938 /* if we were woken up but can't down, we look through the whole */ 2991 /* if we were woken up but can't down, we look through the whole */
2939 /* waiters list and only add us if we aren't in there already */ 2992 /* waiters list and only add us if we aren't in there already */
2940 /* this avoids some degenerate memory usage cases */ 2993 /* this avoids some degenerate memory usage cases */
2941 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug 2994 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2942 if (AvARRAY (av)[i] == coro_hv) 2995 if (AvARRAY (av)[i] == coro_hv)
2943 return 1; 2996 return 1;
2944 2997
2945 av_push (av, SvREFCNT_inc (coro_hv)); 2998 av_push (av, SvREFCNT_inc (coro_hv));
2946 return 1; 2999 return 1;
… …
3154 /* it quickly returns */ 3207 /* it quickly returns */
3155 if (CORO_THROW) 3208 if (CORO_THROW)
3156 return 0; 3209 return 0;
3157 3210
3158 /* one element that is an RV? repeat! */ 3211 /* one element that is an RV? repeat! */
3159 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3212 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3160 return 1; 3213 return 1;
3161 3214
3162 /* restore status */ 3215 /* restore status */
3163 { 3216 {
3164 SV *data_sv = av_pop (state); 3217 SV *data_sv = av_pop (state);
… …
3323 3376
3324#ifndef __cplusplus 3377#ifndef __cplusplus
3325ecb_cold XS(boot_Coro__State); 3378ecb_cold XS(boot_Coro__State);
3326#endif 3379#endif
3327 3380
3381#if CORO_JIT
3382
3383static void ecb_noinline ecb_cold
3384pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3385{
3386 dSP;
3387 AV *av = newAV ();
3388
3389 av_store (av, 3, newSVuv (d));
3390 av_store (av, 2, newSVuv (c));
3391 av_store (av, 1, newSVuv (b));
3392 av_store (av, 0, newSVuv (a));
3393
3394 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
3395
3396 PUTBACK;
3397}
3398
3399static void ecb_noinline ecb_cold
3400jit_init (pTHX)
3401{
3402 dSP;
3403 SV *load, *save;
3404 char *map_base;
3405 char *load_ptr, *save_ptr;
3406 STRLEN load_len, save_len, map_len;
3407 int count;
3408
3409 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3410
3411 PUSHMARK (SP);
3412 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3413 #include "state.h"
3414 count = call_pv ("Coro::State::_jit", G_ARRAY);
3415 SPAGAIN;
3416
3417 save = POPs; save_ptr = SvPVbyte (save, save_len);
3418 load = POPs; load_ptr = SvPVbyte (load, load_len);
3419
3420 map_len = load_len + save_len + 16;
3421
3422 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3423
3424 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3425
3426 load_perl_slots = (load_save_perl_slots_type)map_base;
3427 memcpy (map_base, load_ptr, load_len);
3428
3429 map_base += (load_len + 15) & ~15;
3430
3431 save_perl_slots = (load_save_perl_slots_type)map_base;
3432 memcpy (map_base, save_ptr, save_len);
3433
3434 /* we are good citizens and try to make the page read-only, so the evil evil */
3435 /* hackers might have it a bit more difficult */
3436 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3437
3438 PUTBACK;
3439 eval_pv ("undef &Coro::State::_jit", 1);
3440}
3441
3442#endif
3443
3328MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3444MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3329 3445
3330PROTOTYPES: DISABLE 3446PROTOTYPES: DISABLE
3331 3447
3332BOOT: 3448BOOT:
3333{ 3449{
3450#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl");
3451#include "state.h"
3334#ifdef USE_ITHREADS 3452#ifdef USE_ITHREADS
3335# if CORO_PTHREAD 3453# if CORO_PTHREAD
3336 coro_thx = PERL_GET_CONTEXT; 3454 coro_thx = PERL_GET_CONTEXT;
3337# endif 3455# endif
3338#endif 3456#endif
3339 BOOT_PAGESIZE; 3457 /* perl defines these to check for existance first, but why it doesn't */
3458 /* just create them one at init time is not clear to me, except for */
3459 /* programs trying to delete them, but... */
3460 /* anyway, we declare this as invalid and make sure they are initialised here */
3461 DEFSV;
3462 ERRSV;
3340 3463
3341 cctx_current = cctx_new_empty (); 3464 cctx_current = cctx_new_empty ();
3342 3465
3343 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 3466 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
3344 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 3467 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
… …
3387 coroapi.prepare_cede_notself = prepare_cede_notself; 3510 coroapi.prepare_cede_notself = prepare_cede_notself;
3388 3511
3389 time_init (aTHX); 3512 time_init (aTHX);
3390 3513
3391 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3514 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3515#if CORO_JIT
3516 PUTBACK;
3517 jit_init (aTHX);
3518 SPAGAIN;
3519#endif
3392} 3520}
3393 3521
3394SV * 3522SV *
3395new (SV *klass, ...) 3523new (SV *klass, ...)
3396 ALIAS: 3524 ALIAS:
… …
3403void 3531void
3404transfer (...) 3532transfer (...)
3405 PROTOTYPE: $$ 3533 PROTOTYPE: $$
3406 CODE: 3534 CODE:
3407 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3535 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3408
3409void
3410_exit (int code)
3411 PROTOTYPE: $
3412 CODE:
3413 _exit (code);
3414 3536
3415SV * 3537SV *
3416clone (Coro::State coro) 3538clone (Coro::State coro)
3417 CODE: 3539 CODE:
3418{ 3540{
… …
3473void 3595void
3474list () 3596list ()
3475 PROTOTYPE: 3597 PROTOTYPE:
3476 PPCODE: 3598 PPCODE:
3477{ 3599{
3478 struct coro *coro; 3600 struct coro *coro;
3479 for (coro = coro_first; coro; coro = coro->next) 3601 for (coro = coro_first; coro; coro = coro->next)
3480 if (coro->hv) 3602 if (coro->hv)
3481 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3603 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3482} 3604}
3483 3605
… …
3547 RETVAL = boolSV (coro->flags & ix); 3669 RETVAL = boolSV (coro->flags & ix);
3548 OUTPUT: 3670 OUTPUT:
3549 RETVAL 3671 RETVAL
3550 3672
3551void 3673void
3552throw (Coro::State self, SV *exception = &PL_sv_undef) 3674throw (SV *self, SV *exception = &PL_sv_undef)
3553 PROTOTYPE: $;$ 3675 PROTOTYPE: $;$
3554 CODE: 3676 CODE:
3555{ 3677{
3678 struct coro *coro = SvSTATE (self);
3556 struct coro *current = SvSTATE_current; 3679 struct coro *current = SvSTATE_current;
3557 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3680 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3558 SvREFCNT_dec (*exceptionp); 3681 SvREFCNT_dec (*exceptionp);
3559 SvGETMAGIC (exception); 3682 SvGETMAGIC (exception);
3560 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3683 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3684
3685 api_ready (aTHX_ self);
3561} 3686}
3562 3687
3563void 3688void
3564api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3689api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3565 PROTOTYPE: $;$ 3690 PROTOTYPE: $;$
… …
3642 3767
3643void 3768void
3644times (Coro::State self) 3769times (Coro::State self)
3645 PPCODE: 3770 PPCODE:
3646{ 3771{
3647 struct coro *current = SvSTATE (coro_current); 3772 struct coro *current = SvSTATE (coro_current);
3648 3773
3649 if (ecb_expect_false (current == self)) 3774 if (ecb_expect_false (current == self))
3650 { 3775 {
3651 coro_times_update (); 3776 coro_times_update ();
3652 coro_times_add (SvSTATE (coro_current)); 3777 coro_times_add (SvSTATE (coro_current));
… …
3695 3820
3696 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3821 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3697 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3822 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3698 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3823 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3699 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3824 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3700 3825
3701 coro_stash = gv_stashpv ("Coro", TRUE); 3826 coro_stash = gv_stashpv ("Coro", TRUE);
3702 3827
3703 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3828 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3704 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3829 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3705 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3830 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
3927 on_leave = 1 4052 on_leave = 1
3928 PROTOTYPE: & 4053 PROTOTYPE: &
3929 CODE: 4054 CODE:
3930{ 4055{
3931 struct coro *coro = SvSTATE_current; 4056 struct coro *coro = SvSTATE_current;
3932 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4057 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3933 4058
3934 block = s_get_cv_croak (block); 4059 block = s_get_cv_croak (block);
3935 4060
3936 if (!*avp) 4061 if (!*avp)
3937 *avp = newAV (); 4062 *avp = newAV ();
… …
3957 4082
3958SV * 4083SV *
3959new (SV *klass, SV *count = 0) 4084new (SV *klass, SV *count = 0)
3960 CODE: 4085 CODE:
3961{ 4086{
3962 int semcnt = 1; 4087 int semcnt = 1;
3963 4088
3964 if (count) 4089 if (count)
3965 { 4090 {
3966 SvGETMAGIC (count); 4091 SvGETMAGIC (count);
3967 4092
… …
4027 XSRETURN_NO; 4152 XSRETURN_NO;
4028} 4153}
4029 4154
4030void 4155void
4031waiters (SV *self) 4156waiters (SV *self)
4032 PPCODE: 4157 PPCODE:
4033{ 4158{
4034 AV *av = (AV *)SvRV (self); 4159 AV *av = (AV *)SvRV (self);
4035 int wcount = AvFILLp (av) + 1 - 1; 4160 int wcount = AvFILLp (av) + 1 - 1;
4036 4161
4037 if (GIMME_V == G_SCALAR) 4162 if (GIMME_V == G_SCALAR)
… …
4046} 4171}
4047 4172
4048MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4173MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
4049 4174
4050void 4175void
4051_may_delete (SV *sem, int count, int extra_refs) 4176_may_delete (SV *sem, int count, unsigned int extra_refs)
4052 PPCODE: 4177 PPCODE:
4053{ 4178{
4054 AV *av = (AV *)SvRV (sem); 4179 AV *av = (AV *)SvRV (sem);
4055 4180
4056 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4181 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4057 && AvFILLp (av) == 0 /* no waiters, just count */ 4182 && AvFILLp (av) == 0 /* no waiters, just count */
4058 && SvIV (AvARRAY (av)[0]) == count) 4183 && SvIV (AvARRAY (av)[0]) == count)
4059 XSRETURN_YES; 4184 XSRETURN_YES;
… …
4080 4205
4081void 4206void
4082broadcast (SV *self) 4207broadcast (SV *self)
4083 CODE: 4208 CODE:
4084{ 4209{
4085 AV *av = (AV *)SvRV (self); 4210 AV *av = (AV *)SvRV (self);
4086 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4211 coro_signal_wake (aTHX_ av, AvFILLp (av));
4087} 4212}
4088 4213
4089void 4214void
4090send (SV *self) 4215send (SV *self)
… …
4098 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4223 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4099} 4224}
4100 4225
4101IV 4226IV
4102awaited (SV *self) 4227awaited (SV *self)
4103 CODE: 4228 CODE:
4104 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4229 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4105 OUTPUT: 4230 OUTPUT:
4106 RETVAL 4231 RETVAL
4107 4232
4108 4233
… …
4113 4238
4114void 4239void
4115_schedule (...) 4240_schedule (...)
4116 CODE: 4241 CODE:
4117{ 4242{
4118 static int incede; 4243 static int incede;
4119 4244
4120 api_cede_notself (aTHX); 4245 api_cede_notself (aTHX);
4121 4246
4122 ++incede; 4247 ++incede;
4123 while (coro_nready >= incede && api_cede (aTHX)) 4248 while (coro_nready >= incede && api_cede (aTHX))
… …
4167 { 4292 {
4168 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4293 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4169 coro_old_pp_sselect = 0; 4294 coro_old_pp_sselect = 0;
4170 } 4295 }
4171 4296
4297MODULE = Coro::State PACKAGE = Coro::Util
4298
4299void
4300_exit (int code)
4301 CODE:
4302 _exit (code);
4303
4304NV
4305time ()
4306 CODE:
4307 RETVAL = nvtime (aTHX);
4308 OUTPUT:
4309 RETVAL
4310
4311NV
4312gettimeofday ()
4313 PPCODE:
4314{
4315 UV tv [2];
4316 u2time (aTHX_ tv);
4317 EXTEND (SP, 2);
4318 PUSHs (sv_2mortal (newSVuv (tv [0])));
4319 PUSHs (sv_2mortal (newSVuv (tv [1])));
4320}
4321

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