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Comparing Coro/Coro/State.xs (file contents):
Revision 1.406 by root, Sat Jun 11 13:49:00 2011 UTC vs.
Revision 1.447 by root, Tue Oct 14 21:53:32 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
… …
97# if CORO_PTHREAD 92# if CORO_PTHREAD
98static void *coro_thx; 93static void *coro_thx;
99# endif 94# endif
100#endif 95#endif
101 96
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
104
105#ifdef __linux 97#ifdef __linux
106# include <time.h> /* for timespec */ 98# include <time.h> /* for timespec */
107# include <syscall.h> /* for SYS_* */ 99# include <syscall.h> /* for SYS_* */
108# ifdef SYS_clock_gettime 100# ifdef SYS_clock_gettime
109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 101# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
… …
172typedef struct coro_cctx 164typedef struct coro_cctx
173{ 165{
174 struct coro_cctx *next; 166 struct coro_cctx *next;
175 167
176 /* the stack */ 168 /* the stack */
177 void *sptr; 169 struct coro_stack stack;
178 size_t ssize;
179 170
180 /* cpu state */ 171 /* cpu state */
181 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
182 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
183 JMPENV *top_env; 176 JMPENV *top_env;
184 coro_context cctx; 177 coro_context cctx;
185 178
186 U32 gen; 179 U32 gen;
187#if CORO_USE_VALGRIND 180#if CORO_USE_VALGRIND
… …
207}; 200};
208 201
209/* 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 */
210typedef struct 203typedef struct
211{ 204{
212#define VARx(name,expr,type) type name; 205 #define VARx(name,expr,type) type name;
213# include "state.h" 206 #include "state.h"
214#undef VARx
215} perl_slots; 207} perl_slots;
216 208
217// how many context stack entries do we need for perl_slots 209/* how many context stack entries do we need for perl_slots */
218#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))
219 211
220/* this is a structure representing a perl-level coroutine */ 212/* this is a structure representing a perl-level coroutine */
221struct coro 213struct coro
222{ 214{
… …
291#define coro_nready coroapi.nready 283#define coro_nready coroapi.nready
292 284
293/** JIT *********************************************************************/ 285/** JIT *********************************************************************/
294 286
295#if CORO_JIT 287#if CORO_JIT
288 /* APPLE doesn't have mmap though */
289 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
296 #ifndef CORO_JIT_TYPE 290 #ifndef CORO_JIT_TYPE
297 #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) 291 #if ECB_AMD64 && CORO_JIT_UNIXY
298 #define CORO_JIT_TYPE "amd64-unix" 292 #define CORO_JIT_TYPE "amd64-unix"
299 typedef void (*load_save_perl_slots_type)(perl_slots *); 293 #elif __i386 && CORO_JIT_UNIXY
300 #else 294 #define CORO_JIT_TYPE "x86-unix"
301 #undef CORO_JIT
302 #endif 295 #endif
303 #endif 296 #endif
304#endif 297#endif
305 298
299#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
300 #undef CORO_JIT
301#endif
302
306#if CORO_JIT 303#if CORO_JIT
304 typedef void (*load_save_perl_slots_type)(perl_slots *);
307static load_save_perl_slots_type load_perl_slots, save_perl_slots; 305 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
308#endif 306#endif
309 307
310/** Coro::Select ************************************************************/ 308/** Coro::Select ************************************************************/
311 309
312static OP *(*coro_old_pp_sselect) (pTHX); 310static OP *(*coro_old_pp_sselect) (pTHX);
… …
329 327
330/** time stuff **************************************************************/ 328/** time stuff **************************************************************/
331 329
332#ifdef HAS_GETTIMEOFDAY 330#ifdef HAS_GETTIMEOFDAY
333 331
334ECB_INLINE void 332ecb_inline void
335coro_u2time (pTHX_ UV ret[2]) 333coro_u2time (pTHX_ UV ret[2])
336{ 334{
337 struct timeval tv; 335 struct timeval tv;
338 gettimeofday (&tv, 0); 336 gettimeofday (&tv, 0);
339 337
340 ret [0] = tv.tv_sec; 338 ret [0] = tv.tv_sec;
341 ret [1] = tv.tv_usec; 339 ret [1] = tv.tv_usec;
342} 340}
343 341
344ECB_INLINE double 342ecb_inline double
345coro_nvtime () 343coro_nvtime (void)
346{ 344{
347 struct timeval tv; 345 struct timeval tv;
348 gettimeofday (&tv, 0); 346 gettimeofday (&tv, 0);
349 347
350 return tv.tv_sec + tv.tv_usec * 1e-6; 348 return tv.tv_sec + tv.tv_usec * 1e-6;
351} 349}
352 350
353ECB_INLINE void 351ecb_inline void
354time_init (pTHX) 352time_init (pTHX)
355{ 353{
356 nvtime = coro_nvtime; 354 nvtime = coro_nvtime;
357 u2time = coro_u2time; 355 u2time = coro_u2time;
358} 356}
359 357
360#else 358#else
361 359
362ECB_INLINE void 360ecb_inline void
363time_init (pTHX) 361time_init (pTHX)
364{ 362{
365 SV **svp; 363 SV **svp;
366 364
367 require_pv ("Time/HiRes.pm"); 365 require_pv ("Time/HiRes.pm");
368 366
369 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 367 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
370 368
371 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 369 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
372 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");
373 371
… …
409 get_hv (name, create); 407 get_hv (name, create);
410#endif 408#endif
411 return get_hv (name, create); 409 return get_hv (name, create);
412} 410}
413 411
414ECB_INLINE void 412ecb_inline void
415coro_times_update () 413coro_times_update (void)
416{ 414{
417#ifdef coro_clock_gettime 415#ifdef coro_clock_gettime
418 struct timespec ts; 416 struct timespec ts;
419 417
420 ts.tv_sec = ts.tv_nsec = 0; 418 ts.tv_sec = ts.tv_nsec = 0;
… …
432 time_real [0] = tv [0]; 430 time_real [0] = tv [0];
433 time_real [1] = tv [1] * 1000; 431 time_real [1] = tv [1] * 1000;
434#endif 432#endif
435} 433}
436 434
437ECB_INLINE void 435ecb_inline void
438coro_times_add (struct coro *c) 436coro_times_add (struct coro *c)
439{ 437{
440 c->t_real [1] += time_real [1]; 438 c->t_real [1] += time_real [1];
441 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]; }
442 c->t_real [0] += time_real [0]; 440 c->t_real [0] += time_real [0];
… …
444 c->t_cpu [1] += time_cpu [1]; 442 c->t_cpu [1] += time_cpu [1];
445 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]; }
446 c->t_cpu [0] += time_cpu [0]; 444 c->t_cpu [0] += time_cpu [0];
447} 445}
448 446
449ECB_INLINE void 447ecb_inline void
450coro_times_sub (struct coro *c) 448coro_times_sub (struct coro *c)
451{ 449{
452 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]; }
453 c->t_real [1] -= time_real [1]; 451 c->t_real [1] -= time_real [1];
454 c->t_real [0] -= time_real [0]; 452 c->t_real [0] -= time_real [0];
… …
475 : 0) 473 : 0)
476 474
477#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)
478#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)
479 477
480ECB_INLINE MAGIC * 478ecb_inline MAGIC *
481SvSTATEhv_p (pTHX_ SV *coro) 479SvSTATEhv_p (pTHX_ SV *coro)
482{ 480{
483 MAGIC *mg; 481 MAGIC *mg;
484 482
485 if (ecb_expect_true ( 483 if (ecb_expect_true (
… …
490 return mg; 488 return mg;
491 489
492 return 0; 490 return 0;
493} 491}
494 492
495ECB_INLINE struct coro * 493ecb_inline struct coro *
496SvSTATE_ (pTHX_ SV *coro) 494SvSTATE_ (pTHX_ SV *coro)
497{ 495{
498 MAGIC *mg; 496 MAGIC *mg;
499 497
500 if (SvROK (coro)) 498 if (SvROK (coro))
… …
514#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 512#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
515 513
516/*****************************************************************************/ 514/*****************************************************************************/
517/* padlist management and caching */ 515/* padlist management and caching */
518 516
519ECB_INLINE AV * 517ecb_inline PADLIST *
520coro_derive_padlist (pTHX_ CV *cv) 518coro_derive_padlist (pTHX_ CV *cv)
521{ 519{
522 AV *padlist = CvPADLIST (cv); 520 PADLIST *padlist = CvPADLIST (cv);
523 AV *newpadlist, *newpad; 521 PADLIST *newpadlist;
522 PAD *newpad;
523 PADOFFSET off = PadlistMAX (padlist) + 1;
524 524
525 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. */
526 AvREAL_off (newpadlist); 553 AvREAL_off (newpadlist);
527#if PERL_VERSION_ATLEAST (5,10,0)
528 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
529#else
530 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
531#endif 554#endif
532 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
533 --AvFILLp (padlist);
534 555
535 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 556 /* Already extended to 2 elements by newPADLIST. */
536 av_store (newpadlist, 1, (SV *)newpad); 557 PadlistMAX (newpadlist) = 1;
558 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));
559 PadlistARRAY (newpadlist)[1] = newpad;
537 560
538 return newpadlist; 561 return newpadlist;
539} 562}
540 563
541ECB_INLINE void 564ecb_inline void
542free_padlist (pTHX_ AV *padlist) 565free_padlist (pTHX_ PADLIST *padlist)
543{ 566{
544 /* may be during global destruction */ 567 /* may be during global destruction */
545 if (!IN_DESTRUCT) 568 if (!IN_DESTRUCT)
546 { 569 {
547 I32 i = AvFILLp (padlist); 570 I32 i = PadlistMAX (padlist);
548 571
549 while (i > 0) /* special-case index 0 */ 572 while (i > 0) /* special-case index 0 */
550 { 573 {
551 /* we try to be extra-careful here */ 574 /* we try to be extra-careful here */
552 AV *av = (AV *)AvARRAY (padlist)[i--]; 575 PAD *pad = PadlistARRAY (padlist)[i--];
553 I32 j = AvFILLp (av);
554 576
577 if (pad)
578 {
579 I32 j = PadMAX (pad);
580
555 while (j >= 0) 581 while (j >= 0)
556 SvREFCNT_dec (AvARRAY (av)[j--]); 582 SvREFCNT_dec (PadARRAY (pad)[j--]);
557 583
558 AvFILLp (av) = -1; 584 PadMAX (pad) = -1;
559 SvREFCNT_dec (av); 585 SvREFCNT_dec (pad);
586 }
560 } 587 }
561 588
562 SvREFCNT_dec (AvARRAY (padlist)[0]); 589 SvREFCNT_dec (PadlistNAMES (padlist));
563 590
591#if NEWPADAPI
592 Safefree (PadlistARRAY (padlist));
593 Safefree (padlist);
594#else
564 AvFILLp (padlist) = -1; 595 AvFILLp (padlist) = -1;
596 AvREAL_off (padlist);
565 SvREFCNT_dec ((SV*)padlist); 597 SvREFCNT_dec ((SV*)padlist);
598#endif
566 } 599 }
567} 600}
568 601
569static int 602static int
570coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 603coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
571{ 604{
572 AV *padlist; 605 PADLIST *padlist;
573 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;
574 608
575 /* perl manages to free our internal AV and _then_ call us */ 609 /* perl manages to free our internal AV and _then_ call us */
576 if (IN_DESTRUCT) 610 if (IN_DESTRUCT)
577 return 0; 611 return 0;
578 612
579 /* casting is fun. */ 613 while (len--)
580 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
581 free_padlist (aTHX_ padlist); 614 free_padlist (aTHX_ padlists[len]);
582
583 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
584 615
585 return 0; 616 return 0;
586} 617}
587 618
588static MGVTBL coro_cv_vtbl = { 619static MGVTBL coro_cv_vtbl = {
589 0, 0, 0, 0, 620 0, 0, 0, 0,
590 coro_cv_free 621 coro_cv_free
591}; 622};
592 623
593/* the next two functions merely cache the padlists */ 624/* the next two functions merely cache the padlists */
594ECB_INLINE void 625ecb_inline void
595get_padlist (pTHX_ CV *cv) 626get_padlist (pTHX_ CV *cv)
596{ 627{
597 MAGIC *mg = CORO_MAGIC_cv (cv); 628 MAGIC *mg = CORO_MAGIC_cv (cv);
598 AV *av; 629 size_t *lenp;
599 630
600 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 631 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
601 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 632 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
602 else 633 else
603 { 634 {
604#if CORO_PREFER_PERL_FUNCTIONS 635#if CORO_PREFER_PERL_FUNCTIONS
605 /* this is probably cleaner? but also slower! */ 636 /* this is probably cleaner? but also slower! */
606 /* in practise, it seems to be less stable */ 637 /* in practise, it seems to be less stable */
… …
612 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 643 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
613#endif 644#endif
614 } 645 }
615} 646}
616 647
617ECB_INLINE void 648ecb_inline void
618put_padlist (pTHX_ CV *cv) 649put_padlist (pTHX_ CV *cv)
619{ 650{
620 MAGIC *mg = CORO_MAGIC_cv (cv); 651 MAGIC *mg = CORO_MAGIC_cv (cv);
621 AV *av;
622 652
623 if (ecb_expect_false (!mg)) 653 if (ecb_expect_false (!mg))
654 {
624 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);
625 663
626 av = (AV *)mg->mg_obj; 664 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
627
628 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
629 av_extend (av, AvFILLp (av) + 1);
630
631 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
632} 665}
633 666
634/** load & save, init *******************************************************/ 667/** load & save, init *******************************************************/
635 668
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
636/* swap sv heads, at least logically */ 707/* swap sv heads, at least logically */
637static void 708static void
638swap_svs (pTHX_ Coro__State c) 709swap_svs (pTHX_ Coro__State c)
639{ 710{
640 int i; 711 int i;
641 712
642 for (i = 0; i <= AvFILLp (c->swap_sv); ) 713 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
643 { 714 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
644 SV *a = AvARRAY (c->swap_sv)[i++];
645 SV *b = AvARRAY (c->swap_sv)[i++];
646
647 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
648 SV tmp;
649
650 /* swap sv_any */
651 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
652
653 /* swap sv_flags */
654 SvFLAGS (&tmp) = SvFLAGS (a);
655 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
656 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
657
658#if PERL_VERSION_ATLEAST (5,10,0)
659 /* perl 5.10 complicates this _quite_ a bit, but it also is
660 * much faster, so no quarrels here. alternatively, we could
661 * sv_upgrade to avoid this.
662 */
663 {
664 /* swap sv_u */
665 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
666
667 /* if SvANY points to the head, we need to adjust the pointers,
668 * as the pointer for a still points to b, and maybe vice versa.
669 */
670 #define svany_in_head(type) \
671 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
672
673 if (svany_in_head (SvTYPE (a)))
674 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
675
676 if (svany_in_head (SvTYPE (b)))
677 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
678 }
679#endif
680 }
681} 715}
682 716
683#define SWAP_SVS(coro) \ 717#define SWAP_SVS(coro) \
684 if (ecb_expect_false ((coro)->swap_sv)) \ 718 if (ecb_expect_false ((coro)->swap_sv)) \
685 swap_svs (aTHX_ (coro)) 719 swap_svs (aTHX_ (coro))
… …
697 731
698#if CORO_JIT 732#if CORO_JIT
699 load_perl_slots (slot); 733 load_perl_slots (slot);
700#else 734#else
701 #define VARx(name,expr,type) expr = slot->name; 735 #define VARx(name,expr,type) expr = slot->name;
702 # include "state.h" 736 #include "state.h"
703 #undef VARx
704#endif 737#endif
705 738
706 { 739 {
707 dSP; 740 dSP;
708 741
… …
711 /* now do the ugly restore mess */ 744 /* now do the ugly restore mess */
712 while (ecb_expect_true (cv = (CV *)POPs)) 745 while (ecb_expect_true (cv = (CV *)POPs))
713 { 746 {
714 put_padlist (aTHX_ cv); /* mark this padlist as available */ 747 put_padlist (aTHX_ cv); /* mark this padlist as available */
715 CvDEPTH (cv) = PTR2IV (POPs); 748 CvDEPTH (cv) = PTR2IV (POPs);
716 CvPADLIST (cv) = (AV *)POPs; 749 CvPADLIST (cv) = (PADLIST *)POPs;
717 } 750 }
718 751
719 PUTBACK; 752 PUTBACK;
720 } 753 }
721 754
… …
811 844
812 PUTBACK; 845 PUTBACK;
813 } 846 }
814 847
815 /* allocate some space on the context stack for our purposes */ 848 /* allocate some space on the context stack for our purposes */
816 if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) 849 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
817 { 850 {
818 unsigned int i; 851 unsigned int i;
819 852
820 for (i = 0; i < SLOT_COUNT; ++i) 853 for (i = 0; i < SLOT_COUNT; ++i)
821 CXINC; 854 CXINC;
… …
830 863
831#if CORO_JIT 864#if CORO_JIT
832 save_perl_slots (slot); 865 save_perl_slots (slot);
833#else 866#else
834 #define VARx(name,expr,type) slot->name = expr; 867 #define VARx(name,expr,type) slot->name = expr;
835 # include "state.h" 868 #include "state.h"
836 #undef VARx
837#endif 869#endif
838 } 870 }
839} 871}
840 872
841/* 873/*
… …
873#endif 905#endif
874 906
875 New(54,PL_scopestack,8,I32); 907 New(54,PL_scopestack,8,I32);
876 PL_scopestack_ix = 0; 908 PL_scopestack_ix = 0;
877 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
878 913
879 New(54,PL_savestack,24,ANY); 914 New(54,PL_savestack,24,ANY);
880 PL_savestack_ix = 0; 915 PL_savestack_ix = 0;
881 PL_savestack_max = 24; 916 PL_savestack_max = 24;
882 917
… …
910 } 945 }
911 946
912 Safefree (PL_tmps_stack); 947 Safefree (PL_tmps_stack);
913 Safefree (PL_markstack); 948 Safefree (PL_markstack);
914 Safefree (PL_scopestack); 949 Safefree (PL_scopestack);
950#if HAS_SCOPESTACK_NAME
951 Safefree (PL_scopestack_name);
952#endif
915 Safefree (PL_savestack); 953 Safefree (PL_savestack);
916#if !PERL_VERSION_ATLEAST (5,10,0) 954#if !PERL_VERSION_ATLEAST (5,10,0)
917 Safefree (PL_retstack); 955 Safefree (PL_retstack);
918#endif 956#endif
919} 957}
… …
979 { 1017 {
980 SV **svp = 0; 1018 SV **svp = 0;
981 1019
982 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1020 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
983 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1021 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
984 1022
985 if (svp) 1023 if (svp)
986 { 1024 {
987 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);
988 return 0; 1035 return 0;
989 } 1036 }
990 } 1037 }
991 1038
992 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1039 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
… …
1086 PL_hints = 0; 1133 PL_hints = 0;
1087 1134
1088 /* recreate the die/warn hooks */ 1135 /* recreate the die/warn hooks */
1089 PL_diehook = SvREFCNT_inc (rv_diehook); 1136 PL_diehook = SvREFCNT_inc (rv_diehook);
1090 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1137 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1091 1138
1092 GvSV (PL_defgv) = newSV (0); 1139 GvSV (PL_defgv) = newSV (0);
1093 GvAV (PL_defgv) = coro->args; coro->args = 0; 1140 GvAV (PL_defgv) = coro->args; coro->args = 0;
1094 GvSV (PL_errgv) = newSV (0); 1141 GvSV (PL_errgv) = newSV (0);
1095 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);
1096 GvHV (PL_hintgv) = 0; 1143 GvHV (PL_hintgv) = newHV ();
1144#if PERL_VERSION_ATLEAST (5,10,0)
1145 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1146#endif
1097 PL_rs = newSVsv (GvSV (irsgv)); 1147 PL_rs = newSVsv (GvSV (irsgv));
1098 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1148 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1099 1149
1100 { 1150 {
1101 dSP; 1151 dSP;
… …
1184 /* restore swapped sv's */ 1234 /* restore swapped sv's */
1185 SWAP_SVS (coro); 1235 SWAP_SVS (coro);
1186 1236
1187 coro_destruct_stacks (aTHX); 1237 coro_destruct_stacks (aTHX);
1188 1238
1189 // now save some sv's to be free'd later 1239 /* now save some sv's to be free'd later */
1190 svf [0] = GvSV (PL_defgv); 1240 svf [0] = GvSV (PL_defgv);
1191 svf [1] = (SV *)GvAV (PL_defgv); 1241 svf [1] = (SV *)GvAV (PL_defgv);
1192 svf [2] = GvSV (PL_errgv); 1242 svf [2] = GvSV (PL_errgv);
1193 svf [3] = (SV *)PL_defoutgv; 1243 svf [3] = (SV *)PL_defoutgv;
1194 svf [4] = PL_rs; 1244 svf [4] = PL_rs;
… …
1214 SvREFCNT_dec (coro->invoke_cb); 1264 SvREFCNT_dec (coro->invoke_cb);
1215 SvREFCNT_dec (coro->invoke_av); 1265 SvREFCNT_dec (coro->invoke_av);
1216 } 1266 }
1217} 1267}
1218 1268
1219ECB_INLINE void 1269ecb_inline void
1220free_coro_mortal (pTHX) 1270free_coro_mortal (pTHX)
1221{ 1271{
1222 if (ecb_expect_true (coro_mortal)) 1272 if (ecb_expect_true (coro_mortal))
1223 { 1273 {
1224 SvREFCNT_dec ((SV *)coro_mortal); 1274 SvREFCNT_dec ((SV *)coro_mortal);
… …
1383 slf_frame.prepare = slf_prepare_set_stacklevel; 1433 slf_frame.prepare = slf_prepare_set_stacklevel;
1384 slf_frame.check = slf_check_set_stacklevel; 1434 slf_frame.check = slf_check_set_stacklevel;
1385} 1435}
1386 1436
1387/* the tail of transfer: execute stuff we can only do after a transfer */ 1437/* the tail of transfer: execute stuff we can only do after a transfer */
1388ECB_INLINE void 1438ecb_inline void
1389transfer_tail (pTHX) 1439transfer_tail (pTHX)
1390{ 1440{
1391 free_coro_mortal (aTHX); 1441 free_coro_mortal (aTHX);
1442}
1443
1444/* try to exit the same way perl's main function would do */
1445/* we do not bother resetting the environment or other things *7
1446/* that are not, uhm, essential */
1447/* this obviously also doesn't work when perl is embedded */
1448static void ecb_noinline ecb_cold
1449perlish_exit (pTHX)
1450{
1451 int exitstatus = perl_destruct (PL_curinterp);
1452 perl_free (PL_curinterp);
1453 exit (exitstatus);
1392} 1454}
1393 1455
1394/* 1456/*
1395 * this is a _very_ stripped down perl interpreter ;) 1457 * this is a _very_ stripped down perl interpreter ;)
1396 */ 1458 */
… …
1425 */ 1487 */
1426 1488
1427 /* 1489 /*
1428 * If perl-run returns we assume exit() was being called or the coro 1490 * If perl-run returns we assume exit() was being called or the coro
1429 * fell off the end, which seems to be the only valid (non-bug) 1491 * fell off the end, which seems to be the only valid (non-bug)
1430 * reason for perl_run to return. We try to exit by jumping to the 1492 * reason for perl_run to return. We try to mimic whatever perl is normally
1431 * bootstrap-time "top" top_env, as we cannot restore the "main" 1493 * doing in that case. YMMV.
1432 * coroutine as Coro has no such concept.
1433 * This actually isn't valid with the pthread backend, but OSes requiring
1434 * that backend are too broken to do it in a standards-compliant way.
1435 */ 1494 */
1436 PL_top_env = main_top_env; 1495 perlish_exit (aTHX);
1437 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1438 } 1496 }
1439} 1497}
1440 1498
1441static coro_cctx * 1499static coro_cctx *
1442cctx_new () 1500cctx_new (void)
1443{ 1501{
1444 coro_cctx *cctx; 1502 coro_cctx *cctx;
1445 1503
1446 ++cctx_count; 1504 ++cctx_count;
1447 New (0, cctx, 1, coro_cctx); 1505 New (0, cctx, 1, coro_cctx);
… …
1453 return cctx; 1511 return cctx;
1454} 1512}
1455 1513
1456/* create a new cctx only suitable as source */ 1514/* create a new cctx only suitable as source */
1457static coro_cctx * 1515static coro_cctx *
1458cctx_new_empty () 1516cctx_new_empty (void)
1459{ 1517{
1460 coro_cctx *cctx = cctx_new (); 1518 coro_cctx *cctx = cctx_new ();
1461 1519
1462 cctx->sptr = 0; 1520 cctx->stack.sptr = 0;
1463 coro_create (&cctx->cctx, 0, 0, 0, 0); 1521 coro_create (&cctx->cctx, 0, 0, 0, 0);
1464 1522
1465 return cctx; 1523 return cctx;
1466} 1524}
1467 1525
1468/* create a new cctx suitable as destination/running a perl interpreter */ 1526/* create a new cctx suitable as destination/running a perl interpreter */
1469static coro_cctx * 1527static coro_cctx *
1470cctx_new_run () 1528cctx_new_run (void)
1471{ 1529{
1472 coro_cctx *cctx = cctx_new (); 1530 coro_cctx *cctx = cctx_new ();
1473 void *stack_start;
1474 size_t stack_size;
1475 1531
1476#if HAVE_MMAP 1532 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1477 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1478 /* mmap supposedly does allocate-on-write for us */
1479 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1480
1481 if (cctx->sptr != (void *)-1)
1482 {
1483 #if CORO_STACKGUARD
1484 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1485 #endif
1486 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1487 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1488 cctx->flags |= CC_MAPPED;
1489 } 1533 {
1490 else
1491#endif
1492 {
1493 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1494 New (0, cctx->sptr, cctx_stacksize, long);
1495
1496 if (!cctx->sptr)
1497 {
1498 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1534 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1499 _exit (EXIT_FAILURE); 1535 _exit (EXIT_FAILURE);
1500 }
1501
1502 stack_start = cctx->sptr;
1503 stack_size = cctx->ssize;
1504 } 1536 }
1505 1537
1506 #if CORO_USE_VALGRIND
1507 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1508 #endif
1509
1510 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1538 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1511 1539
1512 return cctx; 1540 return cctx;
1513} 1541}
1514 1542
1515static void 1543static void
… …
1521 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1549 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1522 1550
1523 --cctx_count; 1551 --cctx_count;
1524 coro_destroy (&cctx->cctx); 1552 coro_destroy (&cctx->cctx);
1525 1553
1526 /* coro_transfer creates new, empty cctx's */ 1554 coro_stack_free (&cctx->stack);
1527 if (cctx->sptr)
1528 {
1529 #if CORO_USE_VALGRIND
1530 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1531 #endif
1532
1533#if HAVE_MMAP
1534 if (cctx->flags & CC_MAPPED)
1535 munmap (cctx->sptr, cctx->ssize);
1536 else
1537#endif
1538 Safefree (cctx->sptr);
1539 }
1540 1555
1541 Safefree (cctx); 1556 Safefree (cctx);
1542} 1557}
1543 1558
1544/* wether this cctx should be destructed */ 1559/* wether this cctx should be destructed */
… …
1563} 1578}
1564 1579
1565static void 1580static void
1566cctx_put (coro_cctx *cctx) 1581cctx_put (coro_cctx *cctx)
1567{ 1582{
1568 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1583 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1569 1584
1570 /* free another cctx if overlimit */ 1585 /* free another cctx if overlimit */
1571 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1586 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1572 { 1587 {
1573 coro_cctx *first = cctx_first; 1588 coro_cctx *first = cctx_first;
… …
1699 return; 1714 return;
1700 1715
1701 slf_destroy (aTHX_ coro); 1716 slf_destroy (aTHX_ coro);
1702 1717
1703 coro->flags |= CF_ZOMBIE; 1718 coro->flags |= CF_ZOMBIE;
1704 1719
1705 if (coro->flags & CF_READY) 1720 if (coro->flags & CF_READY)
1706 { 1721 {
1707 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1722 /* reduce nready, as destroying a ready coro effectively unreadies it */
1708 /* alternative: look through all ready queues and remove the coro */ 1723 /* alternative: look through all ready queues and remove the coro */
1709 --coro_nready; 1724 --coro_nready;
… …
1786 TRANSFER (ta, 1); 1801 TRANSFER (ta, 1);
1787} 1802}
1788 1803
1789/** Coro ********************************************************************/ 1804/** Coro ********************************************************************/
1790 1805
1791ECB_INLINE void 1806ecb_inline void
1792coro_enq (pTHX_ struct coro *coro) 1807coro_enq (pTHX_ struct coro *coro)
1793{ 1808{
1794 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1809 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1795 1810
1796 SvREFCNT_inc_NN (coro->hv); 1811 SvREFCNT_inc_NN (coro->hv);
… …
1798 coro->next_ready = 0; 1813 coro->next_ready = 0;
1799 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1814 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1800 ready [1] = coro; 1815 ready [1] = coro;
1801} 1816}
1802 1817
1803ECB_INLINE struct coro * 1818ecb_inline struct coro *
1804coro_deq (pTHX) 1819coro_deq (pTHX)
1805{ 1820{
1806 int prio; 1821 int prio;
1807 1822
1808 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1823 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
… …
1861{ 1876{
1862 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1877 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1863} 1878}
1864 1879
1865/* expects to own a reference to next->hv */ 1880/* expects to own a reference to next->hv */
1866ECB_INLINE void 1881ecb_inline void
1867prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1882prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1868{ 1883{
1869 SV *prev_sv = SvRV (coro_current); 1884 SV *prev_sv = SvRV (coro_current);
1870 1885
1871 ta->prev = SvSTATE_hv (prev_sv); 1886 ta->prev = SvSTATE_hv (prev_sv);
… …
1905 /* nothing to schedule: call the idle handler */ 1920 /* nothing to schedule: call the idle handler */
1906 if (SvROK (sv_idle) 1921 if (SvROK (sv_idle)
1907 && SvOBJECT (SvRV (sv_idle))) 1922 && SvOBJECT (SvRV (sv_idle)))
1908 { 1923 {
1909 if (SvRV (sv_idle) == SvRV (coro_current)) 1924 if (SvRV (sv_idle) == SvRV (coro_current))
1925 {
1926 require_pv ("Carp");
1927
1928 {
1929 dSP;
1930
1931 ENTER;
1932 SAVETMPS;
1933
1934 PUSHMARK (SP);
1910 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1935 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1936 PUTBACK;
1937 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1938
1939 FREETMPS;
1940 LEAVE;
1941 }
1942 }
1911 1943
1912 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1944 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1913 api_ready (aTHX_ SvRV (sv_idle)); 1945 api_ready (aTHX_ SvRV (sv_idle));
1914 --coro_nready; 1946 --coro_nready;
1915 } 1947 }
… …
1930 } 1962 }
1931 } 1963 }
1932 } 1964 }
1933} 1965}
1934 1966
1935ECB_INLINE void 1967ecb_inline void
1936prepare_cede (pTHX_ struct coro_transfer_args *ta) 1968prepare_cede (pTHX_ struct coro_transfer_args *ta)
1937{ 1969{
1938 api_ready (aTHX_ coro_current); 1970 api_ready (aTHX_ coro_current);
1939 prepare_schedule (aTHX_ ta); 1971 prepare_schedule (aTHX_ ta);
1940} 1972}
1941 1973
1942ECB_INLINE void 1974ecb_inline void
1943prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1975prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1944{ 1976{
1945 SV *prev = SvRV (coro_current); 1977 SV *prev = SvRV (coro_current);
1946 1978
1947 if (coro_nready) 1979 if (coro_nready)
… …
2112{ 2144{
2113 AV *od = coro->on_destroy; 2145 AV *od = coro->on_destroy;
2114 2146
2115 if (!od) 2147 if (!od)
2116 return; 2148 return;
2149
2150 coro->on_destroy = 0;
2151 sv_2mortal ((SV *)od);
2117 2152
2118 while (AvFILLp (od) >= 0) 2153 while (AvFILLp (od) >= 0)
2119 { 2154 {
2120 SV *cb = sv_2mortal (av_pop (od)); 2155 SV *cb = sv_2mortal (av_pop (od));
2121 2156
… …
2142 2177
2143static void 2178static void
2144coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2179coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2145{ 2180{
2146 AV *av; 2181 AV *av;
2147 2182
2148 if (coro->status) 2183 if (coro->status)
2149 { 2184 {
2150 av = coro->status; 2185 av = coro->status;
2151 av_clear (av); 2186 av_clear (av);
2152 } 2187 }
… …
2199 2234
2200 coro = SvSTATE (arg [0]); 2235 coro = SvSTATE (arg [0]);
2201 coro_hv = coro->hv; 2236 coro_hv = coro->hv;
2202 2237
2203 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2238 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2204 2239
2205 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2240 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2206 { 2241 {
2207 /* coro currently busy cancelling something, so just notify it */ 2242 /* coro currently busy cancelling something, so just notify it */
2208 coro->slf_frame.data = (void *)coro; 2243 coro->slf_frame.data = (void *)coro;
2209 2244
… …
2216 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2251 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2217 } 2252 }
2218 else 2253 else
2219 { 2254 {
2220 struct coro *self = SvSTATE_current; 2255 struct coro *self = SvSTATE_current;
2256
2257 if (!self)
2258 croak ("Coro::cancel called outside of thread content,");
2221 2259
2222 /* otherwise we cancel directly, purely for speed reasons 2260 /* otherwise we cancel directly, purely for speed reasons
2223 * unfortunately, this requires some magic trickery, as 2261 * unfortunately, this requires some magic trickery, as
2224 * somebody else could cancel us, so we have to fight the cancellation. 2262 * somebody else could cancel us, so we have to fight the cancellation.
2225 * this is ugly, and hopefully fully worth the extra speed. 2263 * this is ugly, and hopefully fully worth the extra speed.
… …
2388 2426
2389static int 2427static int
2390slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2428slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2391{ 2429{
2392 SV *data = (SV *)frame->data; 2430 SV *data = (SV *)frame->data;
2393 2431
2394 if (CORO_THROW) 2432 if (CORO_THROW)
2395 return 0; 2433 return 0;
2396 2434
2397 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2435 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2398 return 1; 2436 return 1;
… …
2434 cb = sv_2mortal (coro->rouse_cb); 2472 cb = sv_2mortal (coro->rouse_cb);
2435 coro->rouse_cb = 0; 2473 coro->rouse_cb = 0;
2436 } 2474 }
2437 2475
2438 if (!SvROK (cb) 2476 if (!SvROK (cb)
2439 || SvTYPE (SvRV (cb)) != SVt_PVCV 2477 || SvTYPE (SvRV (cb)) != SVt_PVCV
2440 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2478 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2441 croak ("Coro::rouse_wait called with illegal callback argument,"); 2479 croak ("Coro::rouse_wait called with illegal callback argument,");
2442 2480
2443 { 2481 {
2444 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2482 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
… …
2567 2605
2568/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2606/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2569static void 2607static void
2570slf_destroy (pTHX_ struct coro *coro) 2608slf_destroy (pTHX_ struct coro *coro)
2571{ 2609{
2572 /* this callback is reserved for slf functions needing to do cleanup */ 2610 struct CoroSLF frame = coro->slf_frame;
2573 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2574 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2575 2611
2576 /* 2612 /*
2577 * The on_destroy above most likely is from an SLF call. 2613 * The on_destroy below most likely is from an SLF call.
2578 * Since by definition the SLF call will not finish when we destroy 2614 * Since by definition the SLF call will not finish when we destroy
2579 * the coro, we will have to force-finish it here, otherwise 2615 * the coro, we will have to force-finish it here, otherwise
2580 * cleanup functions cannot call SLF functions. 2616 * cleanup functions cannot call SLF functions.
2581 */ 2617 */
2582 coro->slf_frame.prepare = 0; 2618 coro->slf_frame.prepare = 0;
2619
2620 /* this callback is reserved for slf functions needing to do cleanup */
2621 if (frame.destroy && frame.prepare && !PL_dirty)
2622 frame.destroy (aTHX_ &frame);
2583} 2623}
2584 2624
2585/* 2625/*
2586 * these not obviously related functions are all rolled into one 2626 * these not obviously related functions are all rolled into one
2587 * function to increase chances that they all will call transfer with the same 2627 * function to increase chances that they all will call transfer with the same
… …
2927{ 2967{
2928 AV *av = (AV *)frame->data; 2968 AV *av = (AV *)frame->data;
2929 SV *count_sv = AvARRAY (av)[0]; 2969 SV *count_sv = AvARRAY (av)[0];
2930 SV *coro_hv = SvRV (coro_current); 2970 SV *coro_hv = SvRV (coro_current);
2931 2971
2972 frame->destroy = 0;
2973
2932 /* if we are about to throw, don't actually acquire the lock, just throw */ 2974 /* if we are about to throw, don't actually acquire the lock, just throw */
2933 if (CORO_THROW) 2975 if (ecb_expect_false (CORO_THROW))
2976 {
2977 /* we still might be responsible for the semaphore, so wake up others */
2978 coro_semaphore_adjust (aTHX_ av, 0);
2979
2934 return 0; 2980 return 0;
2981 }
2935 else if (SvIVX (count_sv) > 0) 2982 else if (SvIVX (count_sv) > 0)
2936 { 2983 {
2937 frame->destroy = 0;
2938
2939 if (acquire) 2984 if (acquire)
2940 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2985 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2941 else 2986 else
2942 coro_semaphore_adjust (aTHX_ av, 0); 2987 coro_semaphore_adjust (aTHX_ av, 0);
2943 2988
… …
2947 { 2992 {
2948 int i; 2993 int i;
2949 /* if we were woken up but can't down, we look through the whole */ 2994 /* if we were woken up but can't down, we look through the whole */
2950 /* waiters list and only add us if we aren't in there already */ 2995 /* waiters list and only add us if we aren't in there already */
2951 /* this avoids some degenerate memory usage cases */ 2996 /* this avoids some degenerate memory usage cases */
2952 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug 2997 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2953 if (AvARRAY (av)[i] == coro_hv) 2998 if (AvARRAY (av)[i] == coro_hv)
2954 return 1; 2999 return 1;
2955 3000
2956 av_push (av, SvREFCNT_inc (coro_hv)); 3001 av_push (av, SvREFCNT_inc (coro_hv));
2957 return 1; 3002 return 1;
… …
3165 /* it quickly returns */ 3210 /* it quickly returns */
3166 if (CORO_THROW) 3211 if (CORO_THROW)
3167 return 0; 3212 return 0;
3168 3213
3169 /* one element that is an RV? repeat! */ 3214 /* one element that is an RV? repeat! */
3170 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3215 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3171 return 1; 3216 return 1;
3172 3217
3173 /* restore status */ 3218 /* restore status */
3174 { 3219 {
3175 SV *data_sv = av_pop (state); 3220 SV *data_sv = av_pop (state);
… …
3337#endif 3382#endif
3338 3383
3339#if CORO_JIT 3384#if CORO_JIT
3340 3385
3341static void ecb_noinline ecb_cold 3386static void ecb_noinline ecb_cold
3342pushav_3uv (pTHX_ UV a, UV b, UV c) 3387pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3343{ 3388{
3344 dSP; 3389 dSP;
3345 AV *av = newAV (); 3390 AV *av = newAV ();
3346 3391
3392 av_store (av, 3, newSVuv (d));
3347 av_store (av, 2, newSVuv (c)); 3393 av_store (av, 2, newSVuv (c));
3348 av_store (av, 1, newSVuv (b)); 3394 av_store (av, 1, newSVuv (b));
3349 av_store (av, 0, newSVuv (a)); 3395 av_store (av, 0, newSVuv (a));
3350 3396
3351 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 3397 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
… …
3358{ 3404{
3359 dSP; 3405 dSP;
3360 SV *load, *save; 3406 SV *load, *save;
3361 char *map_base; 3407 char *map_base;
3362 char *load_ptr, *save_ptr; 3408 char *load_ptr, *save_ptr;
3363 STRLEN load_len, save_len; 3409 STRLEN load_len, save_len, map_len;
3364 int count; 3410 int count;
3365 3411
3412 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3413
3366 PUSHMARK (SP); 3414 PUSHMARK (SP);
3367 PUTBACK;
3368#define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); 3415 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3369# include "state.h" 3416 #include "state.h"
3370#undef VARx
3371 count = call_pv ("Coro::State::_jit", G_ARRAY); 3417 count = call_pv ("Coro::State::_jit", G_ARRAY);
3372 SPAGAIN; 3418 SPAGAIN;
3373 3419
3374 save = POPs; save_ptr = SvPVbyte (save, save_len); 3420 save = POPs; save_ptr = SvPVbyte (save, save_len);
3375 load = POPs; load_ptr = SvPVbyte (load, load_len); 3421 load = POPs; load_ptr = SvPVbyte (load, load_len);
3376 3422
3423 map_len = load_len + save_len + 16;
3424
3377 map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); 3425 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3378 3426
3379 assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); 3427 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3380 3428
3381 load_perl_slots = (load_save_perl_slots_type)map_base; 3429 load_perl_slots = (load_save_perl_slots_type)map_base;
3382 memcpy (map_base, load_ptr, load_len); 3430 memcpy (map_base, load_ptr, load_len);
3383 3431
3384 map_base += (load_len + 15) & ~15; 3432 map_base += (load_len + 15) & ~15;
3385 3433
3386 save_perl_slots = (load_save_perl_slots_type)map_base; 3434 save_perl_slots = (load_save_perl_slots_type)map_base;
3387 memcpy (map_base, save_ptr, save_len); 3435 memcpy (map_base, save_ptr, save_len);
3436
3437 /* we are good citizens and try to make the page read-only, so the evil evil */
3438 /* hackers might have it a bit more difficult */
3439 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3440
3441 PUTBACK;
3442 eval_pv ("undef &Coro::State::_jit", 1);
3388} 3443}
3389 3444
3390#endif 3445#endif
3391 3446
3392MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3447MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3393 3448
3394PROTOTYPES: DISABLE 3449PROTOTYPES: DISABLE
3395 3450
3396BOOT: 3451BOOT:
3397{ 3452{
3453#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3454#include "state.h"
3398#ifdef USE_ITHREADS 3455#ifdef USE_ITHREADS
3399# if CORO_PTHREAD 3456# if CORO_PTHREAD
3400 coro_thx = PERL_GET_CONTEXT; 3457 coro_thx = PERL_GET_CONTEXT;
3401# endif 3458# endif
3402#endif 3459#endif
3403 BOOT_PAGESIZE;
3404
3405 /* perl defines these to check for existance first, but why it doesn't */ 3460 /* perl defines these to check for existance first, but why it doesn't */
3406 /* just create them one at init time is not clear to me, except for */ 3461 /* just create them one at init time is not clear to me, except for */
3407 /* programs trying to delete them, but... */ 3462 /* programs trying to delete them, but... */
3408 /* anyway, we declare this as invalid and make sure they are initialised here */ 3463 /* anyway, we declare this as invalid and make sure they are initialised here */
3409 DEFSV; 3464 DEFSV;
… …
3460 time_init (aTHX); 3515 time_init (aTHX);
3461 3516
3462 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3517 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3463#if CORO_JIT 3518#if CORO_JIT
3464 PUTBACK; 3519 PUTBACK;
3465 require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl");
3466 jit_init (aTHX); 3520 jit_init (aTHX);
3467 perl_eval_pv ("undef &Coro::State::_jit", 1);
3468 SPAGAIN; 3521 SPAGAIN;
3469#endif 3522#endif
3470} 3523}
3471 3524
3472SV * 3525SV *
… …
3481void 3534void
3482transfer (...) 3535transfer (...)
3483 PROTOTYPE: $$ 3536 PROTOTYPE: $$
3484 CODE: 3537 CODE:
3485 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3538 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3486
3487void
3488_exit (int code)
3489 PROTOTYPE: $
3490 CODE:
3491 _exit (code);
3492 3539
3493SV * 3540SV *
3494clone (Coro::State coro) 3541clone (Coro::State coro)
3495 CODE: 3542 CODE:
3496{ 3543{
… …
3551void 3598void
3552list () 3599list ()
3553 PROTOTYPE: 3600 PROTOTYPE:
3554 PPCODE: 3601 PPCODE:
3555{ 3602{
3556 struct coro *coro; 3603 struct coro *coro;
3557 for (coro = coro_first; coro; coro = coro->next) 3604 for (coro = coro_first; coro; coro = coro->next)
3558 if (coro->hv) 3605 if (coro->hv)
3559 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3606 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3560} 3607}
3561 3608
… …
3625 RETVAL = boolSV (coro->flags & ix); 3672 RETVAL = boolSV (coro->flags & ix);
3626 OUTPUT: 3673 OUTPUT:
3627 RETVAL 3674 RETVAL
3628 3675
3629void 3676void
3630throw (Coro::State self, SV *exception = &PL_sv_undef) 3677throw (SV *self, SV *exception = &PL_sv_undef)
3631 PROTOTYPE: $;$ 3678 PROTOTYPE: $;$
3632 CODE: 3679 CODE:
3633{ 3680{
3681 struct coro *coro = SvSTATE (self);
3634 struct coro *current = SvSTATE_current; 3682 struct coro *current = SvSTATE_current;
3635 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3683 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3636 SvREFCNT_dec (*exceptionp); 3684 SvREFCNT_dec (*exceptionp);
3637 SvGETMAGIC (exception); 3685 SvGETMAGIC (exception);
3638 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3686 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3687
3688 api_ready (aTHX_ self);
3639} 3689}
3640 3690
3641void 3691void
3642api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3692api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3643 PROTOTYPE: $;$ 3693 PROTOTYPE: $;$
… …
3720 3770
3721void 3771void
3722times (Coro::State self) 3772times (Coro::State self)
3723 PPCODE: 3773 PPCODE:
3724{ 3774{
3725 struct coro *current = SvSTATE (coro_current); 3775 struct coro *current = SvSTATE (coro_current);
3726 3776
3727 if (ecb_expect_false (current == self)) 3777 if (ecb_expect_false (current == self))
3728 { 3778 {
3729 coro_times_update (); 3779 coro_times_update ();
3730 coro_times_add (SvSTATE (coro_current)); 3780 coro_times_add (SvSTATE (coro_current));
… …
3773 3823
3774 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3824 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3775 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3825 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3776 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3826 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3777 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3827 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3778 3828
3779 coro_stash = gv_stashpv ("Coro", TRUE); 3829 coro_stash = gv_stashpv ("Coro", TRUE);
3780 3830
3781 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3831 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3782 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3832 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3783 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3833 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
4005 on_leave = 1 4055 on_leave = 1
4006 PROTOTYPE: & 4056 PROTOTYPE: &
4007 CODE: 4057 CODE:
4008{ 4058{
4009 struct coro *coro = SvSTATE_current; 4059 struct coro *coro = SvSTATE_current;
4010 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4060 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4011 4061
4012 block = s_get_cv_croak (block); 4062 block = s_get_cv_croak (block);
4013 4063
4014 if (!*avp) 4064 if (!*avp)
4015 *avp = newAV (); 4065 *avp = newAV ();
… …
4035 4085
4036SV * 4086SV *
4037new (SV *klass, SV *count = 0) 4087new (SV *klass, SV *count = 0)
4038 CODE: 4088 CODE:
4039{ 4089{
4040 int semcnt = 1; 4090 int semcnt = 1;
4041 4091
4042 if (count) 4092 if (count)
4043 { 4093 {
4044 SvGETMAGIC (count); 4094 SvGETMAGIC (count);
4045 4095
… …
4105 XSRETURN_NO; 4155 XSRETURN_NO;
4106} 4156}
4107 4157
4108void 4158void
4109waiters (SV *self) 4159waiters (SV *self)
4110 PPCODE: 4160 PPCODE:
4111{ 4161{
4112 AV *av = (AV *)SvRV (self); 4162 AV *av = (AV *)SvRV (self);
4113 int wcount = AvFILLp (av) + 1 - 1; 4163 int wcount = AvFILLp (av) + 1 - 1;
4114 4164
4115 if (GIMME_V == G_SCALAR) 4165 if (GIMME_V == G_SCALAR)
… …
4124} 4174}
4125 4175
4126MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4176MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
4127 4177
4128void 4178void
4129_may_delete (SV *sem, int count, int extra_refs) 4179_may_delete (SV *sem, int count, unsigned int extra_refs)
4130 PPCODE: 4180 PPCODE:
4131{ 4181{
4132 AV *av = (AV *)SvRV (sem); 4182 AV *av = (AV *)SvRV (sem);
4133 4183
4134 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4184 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4135 && AvFILLp (av) == 0 /* no waiters, just count */ 4185 && AvFILLp (av) == 0 /* no waiters, just count */
4136 && SvIV (AvARRAY (av)[0]) == count) 4186 && SvIV (AvARRAY (av)[0]) == count)
4137 XSRETURN_YES; 4187 XSRETURN_YES;
… …
4158 4208
4159void 4209void
4160broadcast (SV *self) 4210broadcast (SV *self)
4161 CODE: 4211 CODE:
4162{ 4212{
4163 AV *av = (AV *)SvRV (self); 4213 AV *av = (AV *)SvRV (self);
4164 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4214 coro_signal_wake (aTHX_ av, AvFILLp (av));
4165} 4215}
4166 4216
4167void 4217void
4168send (SV *self) 4218send (SV *self)
… …
4176 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4226 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4177} 4227}
4178 4228
4179IV 4229IV
4180awaited (SV *self) 4230awaited (SV *self)
4181 CODE: 4231 CODE:
4182 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4232 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4183 OUTPUT: 4233 OUTPUT:
4184 RETVAL 4234 RETVAL
4185 4235
4186 4236
… …
4191 4241
4192void 4242void
4193_schedule (...) 4243_schedule (...)
4194 CODE: 4244 CODE:
4195{ 4245{
4196 static int incede; 4246 static int incede;
4197 4247
4198 api_cede_notself (aTHX); 4248 api_cede_notself (aTHX);
4199 4249
4200 ++incede; 4250 ++incede;
4201 while (coro_nready >= incede && api_cede (aTHX)) 4251 while (coro_nready >= incede && api_cede (aTHX))
… …
4245 { 4295 {
4246 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4296 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4247 coro_old_pp_sselect = 0; 4297 coro_old_pp_sselect = 0;
4248 } 4298 }
4249 4299
4300MODULE = Coro::State PACKAGE = Coro::Util
4301
4302void
4303_exit (int code)
4304 CODE:
4305 _exit (code);
4306
4307NV
4308time ()
4309 CODE:
4310 RETVAL = nvtime (aTHX);
4311 OUTPUT:
4312 RETVAL
4313
4314NV
4315gettimeofday ()
4316 PPCODE:
4317{
4318 UV tv [2];
4319 u2time (aTHX_ tv);
4320 EXTEND (SP, 2);
4321 PUSHs (sv_2mortal (newSVuv (tv [0])));
4322 PUSHs (sv_2mortal (newSVuv (tv [1])));
4323}
4324

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