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Comparing Coro/Coro/State.xs (file contents):
Revision 1.405 by root, Sat Jun 11 13:01:26 2011 UTC vs.
Revision 1.449 by root, Sun Jun 21 17:02:49 2015 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#ifndef PadnamelistREFCNT
48# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
49#endif
50#ifndef PadnamelistREFCNT_dec
51# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
52#endif
53
54/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
55/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
56#if PERL_VERSION_ATLEAST(5,19,0)
57# define SVt_BIND SVt_IV
26#endif 58#endif
27 59
28#if defined(_WIN32) 60#if defined(_WIN32)
29# undef HAS_GETTIMEOFDAY 61# undef HAS_GETTIMEOFDAY
30# undef setjmp 62# undef setjmp
… …
33# define setjmp _setjmp /* deep magic */ 65# define setjmp _setjmp /* deep magic */
34#else 66#else
35# include <inttypes.h> /* most portable stdint.h */ 67# include <inttypes.h> /* most portable stdint.h */
36#endif 68#endif
37 69
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 */ 70/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 71static int cctx_max_idle = 4;
67 72
68#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 73#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# undef CORO_STACKGUARD 74# define HAS_SCOPESTACK_NAME 1
70#endif
71
72#ifndef CORO_STACKGUARD
73# define CORO_STACKGUARD 0
74#endif 75#endif
75 76
76/* prefer perl internal functions over our own? */ 77/* prefer perl internal functions over our own? */
77#ifndef CORO_PREFER_PERL_FUNCTIONS 78#ifndef CORO_PREFER_PERL_FUNCTIONS
78# define CORO_PREFER_PERL_FUNCTIONS 0 79# define CORO_PREFER_PERL_FUNCTIONS 0
… …
97# if CORO_PTHREAD 98# if CORO_PTHREAD
98static void *coro_thx; 99static void *coro_thx;
99# endif 100# endif
100#endif 101#endif
101 102
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
104
105#ifdef __linux 103#ifdef __linux
106# include <time.h> /* for timespec */ 104# include <time.h> /* for timespec */
107# include <syscall.h> /* for SYS_* */ 105# include <syscall.h> /* for SYS_* */
108# ifdef SYS_clock_gettime 106# ifdef SYS_clock_gettime
109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 107# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
… …
172typedef struct coro_cctx 170typedef struct coro_cctx
173{ 171{
174 struct coro_cctx *next; 172 struct coro_cctx *next;
175 173
176 /* the stack */ 174 /* the stack */
177 void *sptr; 175 struct coro_stack stack;
178 size_t ssize;
179 176
180 /* cpu state */ 177 /* cpu state */
181 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 178 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
179#ifndef NDEBUG
182 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 180 JMPENV *idle_te; /* same as idle_sp, but for top_env */
181#endif
183 JMPENV *top_env; 182 JMPENV *top_env;
184 coro_context cctx; 183 coro_context cctx;
185 184
186 U32 gen; 185 U32 gen;
187#if CORO_USE_VALGRIND 186#if CORO_USE_VALGRIND
… …
207}; 206};
208 207
209/* the structure where most of the perl state is stored, overlaid on the cxstack */ 208/* the structure where most of the perl state is stored, overlaid on the cxstack */
210typedef struct 209typedef struct
211{ 210{
212#define VARx(name,expr,type) type name; 211 #define VARx(name,expr,type) type name;
213# include "state.h" 212 #include "state.h"
214#undef VARx
215} perl_slots; 213} perl_slots;
216 214
217// how many context stack entries do we need for perl_slots 215/* 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)) 216#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
219 217
220/* this is a structure representing a perl-level coroutine */ 218/* this is a structure representing a perl-level coroutine */
221struct coro 219struct coro
222{ 220{
… …
291#define coro_nready coroapi.nready 289#define coro_nready coroapi.nready
292 290
293/** JIT *********************************************************************/ 291/** JIT *********************************************************************/
294 292
295#if CORO_JIT 293#if CORO_JIT
294 /* APPLE doesn't have mmap though */
295 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
296 #ifndef CORO_JIT_TYPE 296 #ifndef CORO_JIT_TYPE
297 #if __linux && __amd64 297 #if ECB_AMD64 && CORO_JIT_UNIXY
298 #define CORO_JIT_TYPE "amd64-unix" 298 #define CORO_JIT_TYPE "amd64-unix"
299 typedef void (*load_save_perl_slots_type)(perl_slots *); 299 #elif __i386 && CORO_JIT_UNIXY
300 #else 300 #define CORO_JIT_TYPE "x86-unix"
301 #undef CORO_JIT
302 #endif 301 #endif
303 #endif 302 #endif
304#endif 303#endif
305 304
305#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
306 #undef CORO_JIT
307#endif
308
306#if CORO_JIT 309#if CORO_JIT
307 310 typedef void (*load_save_perl_slots_type)(perl_slots *);
308static load_save_perl_slots_type load_perl_slots, save_perl_slots; 311 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
309
310#endif 312#endif
311 313
312/** Coro::Select ************************************************************/ 314/** Coro::Select ************************************************************/
313 315
314static OP *(*coro_old_pp_sselect) (pTHX); 316static OP *(*coro_old_pp_sselect) (pTHX);
… …
331 333
332/** time stuff **************************************************************/ 334/** time stuff **************************************************************/
333 335
334#ifdef HAS_GETTIMEOFDAY 336#ifdef HAS_GETTIMEOFDAY
335 337
336ECB_INLINE void 338ecb_inline void
337coro_u2time (pTHX_ UV ret[2]) 339coro_u2time (pTHX_ UV ret[2])
338{ 340{
339 struct timeval tv; 341 struct timeval tv;
340 gettimeofday (&tv, 0); 342 gettimeofday (&tv, 0);
341 343
342 ret [0] = tv.tv_sec; 344 ret [0] = tv.tv_sec;
343 ret [1] = tv.tv_usec; 345 ret [1] = tv.tv_usec;
344} 346}
345 347
346ECB_INLINE double 348ecb_inline double
347coro_nvtime () 349coro_nvtime (void)
348{ 350{
349 struct timeval tv; 351 struct timeval tv;
350 gettimeofday (&tv, 0); 352 gettimeofday (&tv, 0);
351 353
352 return tv.tv_sec + tv.tv_usec * 1e-6; 354 return tv.tv_sec + tv.tv_usec * 1e-6;
353} 355}
354 356
355ECB_INLINE void 357ecb_inline void
356time_init (pTHX) 358time_init (pTHX)
357{ 359{
358 nvtime = coro_nvtime; 360 nvtime = coro_nvtime;
359 u2time = coro_u2time; 361 u2time = coro_u2time;
360} 362}
361 363
362#else 364#else
363 365
364ECB_INLINE void 366ecb_inline void
365time_init (pTHX) 367time_init (pTHX)
366{ 368{
367 SV **svp; 369 SV **svp;
368 370
369 require_pv ("Time/HiRes.pm"); 371 require_pv ("Time/HiRes.pm");
370 372
371 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 373 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
372 374
373 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 375 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
374 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); 376 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
375 377
… …
411 get_hv (name, create); 413 get_hv (name, create);
412#endif 414#endif
413 return get_hv (name, create); 415 return get_hv (name, create);
414} 416}
415 417
416ECB_INLINE void 418ecb_inline void
417coro_times_update () 419coro_times_update (void)
418{ 420{
419#ifdef coro_clock_gettime 421#ifdef coro_clock_gettime
420 struct timespec ts; 422 struct timespec ts;
421 423
422 ts.tv_sec = ts.tv_nsec = 0; 424 ts.tv_sec = ts.tv_nsec = 0;
… …
434 time_real [0] = tv [0]; 436 time_real [0] = tv [0];
435 time_real [1] = tv [1] * 1000; 437 time_real [1] = tv [1] * 1000;
436#endif 438#endif
437} 439}
438 440
439ECB_INLINE void 441ecb_inline void
440coro_times_add (struct coro *c) 442coro_times_add (struct coro *c)
441{ 443{
442 c->t_real [1] += time_real [1]; 444 c->t_real [1] += time_real [1];
443 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 445 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
444 c->t_real [0] += time_real [0]; 446 c->t_real [0] += time_real [0];
… …
446 c->t_cpu [1] += time_cpu [1]; 448 c->t_cpu [1] += time_cpu [1];
447 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 449 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
448 c->t_cpu [0] += time_cpu [0]; 450 c->t_cpu [0] += time_cpu [0];
449} 451}
450 452
451ECB_INLINE void 453ecb_inline void
452coro_times_sub (struct coro *c) 454coro_times_sub (struct coro *c)
453{ 455{
454 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 456 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
455 c->t_real [1] -= time_real [1]; 457 c->t_real [1] -= time_real [1];
456 c->t_real [0] -= time_real [0]; 458 c->t_real [0] -= time_real [0];
… …
477 : 0) 479 : 0)
478 480
479#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 481#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
480#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 482#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
481 483
482ECB_INLINE MAGIC * 484ecb_inline MAGIC *
483SvSTATEhv_p (pTHX_ SV *coro) 485SvSTATEhv_p (pTHX_ SV *coro)
484{ 486{
485 MAGIC *mg; 487 MAGIC *mg;
486 488
487 if (ecb_expect_true ( 489 if (ecb_expect_true (
… …
492 return mg; 494 return mg;
493 495
494 return 0; 496 return 0;
495} 497}
496 498
497ECB_INLINE struct coro * 499ecb_inline struct coro *
498SvSTATE_ (pTHX_ SV *coro) 500SvSTATE_ (pTHX_ SV *coro)
499{ 501{
500 MAGIC *mg; 502 MAGIC *mg;
501 503
502 if (SvROK (coro)) 504 if (SvROK (coro))
… …
516#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 518#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
517 519
518/*****************************************************************************/ 520/*****************************************************************************/
519/* padlist management and caching */ 521/* padlist management and caching */
520 522
521ECB_INLINE AV * 523ecb_inline PADLIST *
522coro_derive_padlist (pTHX_ CV *cv) 524coro_derive_padlist (pTHX_ CV *cv)
523{ 525{
524 AV *padlist = CvPADLIST (cv); 526 PADLIST *padlist = CvPADLIST (cv);
525 AV *newpadlist, *newpad; 527 PADLIST *newpadlist;
528 PADNAMELIST *padnames;
529 PAD *newpad;
530 PADOFFSET off = PadlistMAX (padlist) + 1;
526 531
527 newpadlist = newAV (); 532#if NEWPADAPI
533
534 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
535 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
536 while (!PadlistARRAY (padlist)[off - 1])
537 --off;
538
539 Perl_pad_push (aTHX_ padlist, off);
540
541 newpad = PadlistARRAY (padlist)[off];
542 PadlistARRAY (padlist)[off] = 0;
543
544#else
545
546#if PERL_VERSION_ATLEAST (5,10,0)
547 Perl_pad_push (aTHX_ padlist, off);
548#else
549 Perl_pad_push (aTHX_ padlist, off, 1);
550#endif
551
552 newpad = PadlistARRAY (padlist)[off];
553 PadlistMAX (padlist) = off - 1;
554
555#endif
556
557 newPADLIST (newpadlist);
558#if !PERL_VERSION_ATLEAST(5,15,3)
559 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
528 AvREAL_off (newpadlist); 560 AvREAL_off (newpadlist);
529#if PERL_VERSION_ATLEAST (5,10,0)
530 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
531#else
532 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
533#endif 561#endif
534 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
535 --AvFILLp (padlist);
536 562
537 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 563 /* Already extended to 2 elements by newPADLIST. */
538 av_store (newpadlist, 1, (SV *)newpad); 564 PadlistMAX (newpadlist) = 1;
565
566 padnames = PadlistNAMES (padlist);
567 ++PadnamelistREFCNT (padnames);
568 PadlistNAMES (newpadlist) = padnames;
569
570 PadlistARRAY (newpadlist)[1] = newpad;
539 571
540 return newpadlist; 572 return newpadlist;
541} 573}
542 574
543ECB_INLINE void 575ecb_inline void
544free_padlist (pTHX_ AV *padlist) 576free_padlist (pTHX_ PADLIST *padlist)
545{ 577{
546 /* may be during global destruction */ 578 /* may be during global destruction */
547 if (!IN_DESTRUCT) 579 if (!IN_DESTRUCT)
548 { 580 {
549 I32 i = AvFILLp (padlist); 581 I32 i = PadlistMAX (padlist);
550 582
551 while (i > 0) /* special-case index 0 */ 583 while (i > 0) /* special-case index 0 */
552 { 584 {
553 /* we try to be extra-careful here */ 585 /* we try to be extra-careful here */
554 AV *av = (AV *)AvARRAY (padlist)[i--]; 586 PAD *pad = PadlistARRAY (padlist)[i--];
555 I32 j = AvFILLp (av);
556 587
588 if (pad)
589 {
590 I32 j = PadMAX (pad);
591
557 while (j >= 0) 592 while (j >= 0)
558 SvREFCNT_dec (AvARRAY (av)[j--]); 593 SvREFCNT_dec (PadARRAY (pad)[j--]);
559 594
560 AvFILLp (av) = -1; 595 PadMAX (pad) = -1;
561 SvREFCNT_dec (av); 596 SvREFCNT_dec (pad);
597 }
562 } 598 }
563 599
564 SvREFCNT_dec (AvARRAY (padlist)[0]); 600 PadnamelistREFCNT_dec (PadlistNAMES (padlist));
565 601
602#if NEWPADAPI
603 Safefree (PadlistARRAY (padlist));
604 Safefree (padlist);
605#else
566 AvFILLp (padlist) = -1; 606 AvFILLp (padlist) = -1;
607 AvREAL_off (padlist);
567 SvREFCNT_dec ((SV*)padlist); 608 SvREFCNT_dec ((SV*)padlist);
609#endif
568 } 610 }
569} 611}
570 612
571static int 613static int
572coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 614coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
573{ 615{
574 AV *padlist; 616 PADLIST *padlist;
575 AV *av = (AV *)mg->mg_obj; 617 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
618 size_t len = *(size_t *)mg->mg_ptr;
576 619
577 /* perl manages to free our internal AV and _then_ call us */ 620 /* perl manages to free our internal AV and _then_ call us */
578 if (IN_DESTRUCT) 621 if (IN_DESTRUCT)
579 return 0; 622 return 0;
580 623
581 /* casting is fun. */ 624 while (len--)
582 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
583 free_padlist (aTHX_ padlist); 625 free_padlist (aTHX_ padlists[len]);
584
585 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
586 626
587 return 0; 627 return 0;
588} 628}
589 629
590static MGVTBL coro_cv_vtbl = { 630static MGVTBL coro_cv_vtbl = {
591 0, 0, 0, 0, 631 0, 0, 0, 0,
592 coro_cv_free 632 coro_cv_free
593}; 633};
594 634
595/* the next two functions merely cache the padlists */ 635/* the next two functions merely cache the padlists */
596ECB_INLINE void 636ecb_inline void
597get_padlist (pTHX_ CV *cv) 637get_padlist (pTHX_ CV *cv)
598{ 638{
599 MAGIC *mg = CORO_MAGIC_cv (cv); 639 MAGIC *mg = CORO_MAGIC_cv (cv);
600 AV *av; 640 size_t *lenp;
601 641
602 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 642 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
603 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 643 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
604 else 644 else
605 { 645 {
606#if CORO_PREFER_PERL_FUNCTIONS 646#if CORO_PREFER_PERL_FUNCTIONS
607 /* this is probably cleaner? but also slower! */ 647 /* this is probably cleaner? but also slower! */
608 /* in practise, it seems to be less stable */ 648 /* in practise, it seems to be less stable */
… …
614 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 654 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
615#endif 655#endif
616 } 656 }
617} 657}
618 658
619ECB_INLINE void 659ecb_inline void
620put_padlist (pTHX_ CV *cv) 660put_padlist (pTHX_ CV *cv)
621{ 661{
622 MAGIC *mg = CORO_MAGIC_cv (cv); 662 MAGIC *mg = CORO_MAGIC_cv (cv);
623 AV *av;
624 663
625 if (ecb_expect_false (!mg)) 664 if (ecb_expect_false (!mg))
665 {
626 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 666 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
667 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
668 mg->mg_len = 1; /* so mg_free frees mg_ptr */
669 }
670 else
671 Renew (mg->mg_ptr,
672 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
673 char);
627 674
628 av = (AV *)mg->mg_obj; 675 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
629
630 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
631 av_extend (av, AvFILLp (av) + 1);
632
633 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
634} 676}
635 677
636/** load & save, init *******************************************************/ 678/** load & save, init *******************************************************/
637 679
680ecb_inline void
681swap_sv (SV *a, SV *b)
682{
683 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
684 SV tmp;
685
686 /* swap sv_any */
687 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
688
689 /* swap sv_flags */
690 SvFLAGS (&tmp) = SvFLAGS (a);
691 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
692 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
693
694#if PERL_VERSION_ATLEAST (5,10,0)
695 /* perl 5.10 and later complicates this _quite_ a bit, but it also
696 * is much faster, so no quarrels here. alternatively, we could
697 * sv_upgrade to avoid this.
698 */
699 {
700 /* swap sv_u */
701 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
702
703 /* if SvANY points to the head, we need to adjust the pointers,
704 * as the pointer for a still points to b, and maybe vice versa.
705 */
706 #define svany_in_head(type) \
707 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
708
709 if (svany_in_head (SvTYPE (a)))
710 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
711
712 if (svany_in_head (SvTYPE (b)))
713 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
714 }
715#endif
716}
717
638/* swap sv heads, at least logically */ 718/* swap sv heads, at least logically */
639static void 719static void
640swap_svs (pTHX_ Coro__State c) 720swap_svs (pTHX_ Coro__State c)
641{ 721{
642 int i; 722 int i;
643 723
644 for (i = 0; i <= AvFILLp (c->swap_sv); ) 724 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
645 { 725 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
646 SV *a = AvARRAY (c->swap_sv)[i++];
647 SV *b = AvARRAY (c->swap_sv)[i++];
648
649 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
650 SV tmp;
651
652 /* swap sv_any */
653 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
654
655 /* swap sv_flags */
656 SvFLAGS (&tmp) = SvFLAGS (a);
657 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
658 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
659
660#if PERL_VERSION_ATLEAST (5,10,0)
661 /* perl 5.10 complicates this _quite_ a bit, but it also is
662 * much faster, so no quarrels here. alternatively, we could
663 * sv_upgrade to avoid this.
664 */
665 {
666 /* swap sv_u */
667 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
668
669 /* if SvANY points to the head, we need to adjust the pointers,
670 * as the pointer for a still points to b, and maybe vice versa.
671 */
672 #define svany_in_head(type) \
673 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
674
675 if (svany_in_head (SvTYPE (a)))
676 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
677
678 if (svany_in_head (SvTYPE (b)))
679 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
680 }
681#endif
682 }
683} 726}
684 727
685#define SWAP_SVS(coro) \ 728#define SWAP_SVS(coro) \
686 if (ecb_expect_false ((coro)->swap_sv)) \ 729 if (ecb_expect_false ((coro)->swap_sv)) \
687 swap_svs (aTHX_ (coro)) 730 swap_svs (aTHX_ (coro))
… …
699 742
700#if CORO_JIT 743#if CORO_JIT
701 load_perl_slots (slot); 744 load_perl_slots (slot);
702#else 745#else
703 #define VARx(name,expr,type) expr = slot->name; 746 #define VARx(name,expr,type) expr = slot->name;
704 # include "state.h" 747 #include "state.h"
705 #undef VARx
706#endif 748#endif
707 749
708 { 750 {
709 dSP; 751 dSP;
710 752
… …
713 /* now do the ugly restore mess */ 755 /* now do the ugly restore mess */
714 while (ecb_expect_true (cv = (CV *)POPs)) 756 while (ecb_expect_true (cv = (CV *)POPs))
715 { 757 {
716 put_padlist (aTHX_ cv); /* mark this padlist as available */ 758 put_padlist (aTHX_ cv); /* mark this padlist as available */
717 CvDEPTH (cv) = PTR2IV (POPs); 759 CvDEPTH (cv) = PTR2IV (POPs);
718 CvPADLIST (cv) = (AV *)POPs; 760 CvPADLIST (cv) = (PADLIST *)POPs;
719 } 761 }
720 762
721 PUTBACK; 763 PUTBACK;
722 } 764 }
723 765
… …
813 855
814 PUTBACK; 856 PUTBACK;
815 } 857 }
816 858
817 /* allocate some space on the context stack for our purposes */ 859 /* allocate some space on the context stack for our purposes */
818 if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) 860 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
819 { 861 {
820 unsigned int i; 862 unsigned int i;
821 863
822 for (i = 0; i < SLOT_COUNT; ++i) 864 for (i = 0; i < SLOT_COUNT; ++i)
823 CXINC; 865 CXINC;
… …
832 874
833#if CORO_JIT 875#if CORO_JIT
834 save_perl_slots (slot); 876 save_perl_slots (slot);
835#else 877#else
836 #define VARx(name,expr,type) slot->name = expr; 878 #define VARx(name,expr,type) slot->name = expr;
837 # include "state.h" 879 #include "state.h"
838 #undef VARx
839#endif 880#endif
840 } 881 }
841} 882}
842 883
843/* 884/*
… …
875#endif 916#endif
876 917
877 New(54,PL_scopestack,8,I32); 918 New(54,PL_scopestack,8,I32);
878 PL_scopestack_ix = 0; 919 PL_scopestack_ix = 0;
879 PL_scopestack_max = 8; 920 PL_scopestack_max = 8;
921#if HAS_SCOPESTACK_NAME
922 New(54,PL_scopestack_name,8,const char*);
923#endif
880 924
881 New(54,PL_savestack,24,ANY); 925 New(54,PL_savestack,24,ANY);
882 PL_savestack_ix = 0; 926 PL_savestack_ix = 0;
883 PL_savestack_max = 24; 927 PL_savestack_max = 24;
884 928
… …
912 } 956 }
913 957
914 Safefree (PL_tmps_stack); 958 Safefree (PL_tmps_stack);
915 Safefree (PL_markstack); 959 Safefree (PL_markstack);
916 Safefree (PL_scopestack); 960 Safefree (PL_scopestack);
961#if HAS_SCOPESTACK_NAME
962 Safefree (PL_scopestack_name);
963#endif
917 Safefree (PL_savestack); 964 Safefree (PL_savestack);
918#if !PERL_VERSION_ATLEAST (5,10,0) 965#if !PERL_VERSION_ATLEAST (5,10,0)
919 Safefree (PL_retstack); 966 Safefree (PL_retstack);
920#endif 967#endif
921} 968}
… …
981 { 1028 {
982 SV **svp = 0; 1029 SV **svp = 0;
983 1030
984 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1031 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
985 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1032 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
986 1033
987 if (svp) 1034 if (svp)
988 { 1035 {
989 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1036 SV *ssv;
1037
1038 if (!*svp)
1039 ssv = &PL_sv_undef;
1040 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1041 ssv = sv_2mortal (newRV_inc (*svp));
1042 else
1043 ssv = *svp;
1044
1045 sv_setsv (sv, ssv);
990 return 0; 1046 return 0;
991 } 1047 }
992 } 1048 }
993 1049
994 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1050 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
… …
1088 PL_hints = 0; 1144 PL_hints = 0;
1089 1145
1090 /* recreate the die/warn hooks */ 1146 /* recreate the die/warn hooks */
1091 PL_diehook = SvREFCNT_inc (rv_diehook); 1147 PL_diehook = SvREFCNT_inc (rv_diehook);
1092 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1148 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1093 1149
1094 GvSV (PL_defgv) = newSV (0); 1150 GvSV (PL_defgv) = newSV (0);
1095 GvAV (PL_defgv) = coro->args; coro->args = 0; 1151 GvAV (PL_defgv) = coro->args; coro->args = 0;
1096 GvSV (PL_errgv) = newSV (0); 1152 GvSV (PL_errgv) = newSV (0);
1097 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1153 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1098 GvHV (PL_hintgv) = 0; 1154 GvHV (PL_hintgv) = newHV ();
1155#if PERL_VERSION_ATLEAST (5,10,0)
1156 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1157#endif
1099 PL_rs = newSVsv (GvSV (irsgv)); 1158 PL_rs = newSVsv (GvSV (irsgv));
1100 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1159 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1101 1160
1102 { 1161 {
1103 dSP; 1162 dSP;
… …
1186 /* restore swapped sv's */ 1245 /* restore swapped sv's */
1187 SWAP_SVS (coro); 1246 SWAP_SVS (coro);
1188 1247
1189 coro_destruct_stacks (aTHX); 1248 coro_destruct_stacks (aTHX);
1190 1249
1191 // now save some sv's to be free'd later 1250 /* now save some sv's to be free'd later */
1192 svf [0] = GvSV (PL_defgv); 1251 svf [0] = GvSV (PL_defgv);
1193 svf [1] = (SV *)GvAV (PL_defgv); 1252 svf [1] = (SV *)GvAV (PL_defgv);
1194 svf [2] = GvSV (PL_errgv); 1253 svf [2] = GvSV (PL_errgv);
1195 svf [3] = (SV *)PL_defoutgv; 1254 svf [3] = (SV *)PL_defoutgv;
1196 svf [4] = PL_rs; 1255 svf [4] = PL_rs;
… …
1216 SvREFCNT_dec (coro->invoke_cb); 1275 SvREFCNT_dec (coro->invoke_cb);
1217 SvREFCNT_dec (coro->invoke_av); 1276 SvREFCNT_dec (coro->invoke_av);
1218 } 1277 }
1219} 1278}
1220 1279
1221ECB_INLINE void 1280ecb_inline void
1222free_coro_mortal (pTHX) 1281free_coro_mortal (pTHX)
1223{ 1282{
1224 if (ecb_expect_true (coro_mortal)) 1283 if (ecb_expect_true (coro_mortal))
1225 { 1284 {
1226 SvREFCNT_dec ((SV *)coro_mortal); 1285 SvREFCNT_dec ((SV *)coro_mortal);
… …
1285 1344
1286 if (PL_curcop != &PL_compiling) 1345 if (PL_curcop != &PL_compiling)
1287 { 1346 {
1288 SV **cb; 1347 SV **cb;
1289 1348
1290 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) 1349 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1291 { 1350 {
1292 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1351 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1293 1352
1294 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1353 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1295 { 1354 {
… …
1385 slf_frame.prepare = slf_prepare_set_stacklevel; 1444 slf_frame.prepare = slf_prepare_set_stacklevel;
1386 slf_frame.check = slf_check_set_stacklevel; 1445 slf_frame.check = slf_check_set_stacklevel;
1387} 1446}
1388 1447
1389/* the tail of transfer: execute stuff we can only do after a transfer */ 1448/* the tail of transfer: execute stuff we can only do after a transfer */
1390ECB_INLINE void 1449ecb_inline void
1391transfer_tail (pTHX) 1450transfer_tail (pTHX)
1392{ 1451{
1393 free_coro_mortal (aTHX); 1452 free_coro_mortal (aTHX);
1453}
1454
1455/* try to exit the same way perl's main function would do */
1456/* we do not bother resetting the environment or other things *7
1457/* that are not, uhm, essential */
1458/* this obviously also doesn't work when perl is embedded */
1459static void ecb_noinline ecb_cold
1460perlish_exit (pTHX)
1461{
1462 int exitstatus = perl_destruct (PL_curinterp);
1463 perl_free (PL_curinterp);
1464 exit (exitstatus);
1394} 1465}
1395 1466
1396/* 1467/*
1397 * this is a _very_ stripped down perl interpreter ;) 1468 * this is a _very_ stripped down perl interpreter ;)
1398 */ 1469 */
… …
1427 */ 1498 */
1428 1499
1429 /* 1500 /*
1430 * If perl-run returns we assume exit() was being called or the coro 1501 * If perl-run returns we assume exit() was being called or the coro
1431 * fell off the end, which seems to be the only valid (non-bug) 1502 * fell off the end, which seems to be the only valid (non-bug)
1432 * reason for perl_run to return. We try to exit by jumping to the 1503 * reason for perl_run to return. We try to mimic whatever perl is normally
1433 * bootstrap-time "top" top_env, as we cannot restore the "main" 1504 * doing in that case. YMMV.
1434 * coroutine as Coro has no such concept.
1435 * This actually isn't valid with the pthread backend, but OSes requiring
1436 * that backend are too broken to do it in a standards-compliant way.
1437 */ 1505 */
1438 PL_top_env = main_top_env; 1506 perlish_exit (aTHX);
1439 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1440 } 1507 }
1441} 1508}
1442 1509
1443static coro_cctx * 1510static coro_cctx *
1444cctx_new () 1511cctx_new (void)
1445{ 1512{
1446 coro_cctx *cctx; 1513 coro_cctx *cctx;
1447 1514
1448 ++cctx_count; 1515 ++cctx_count;
1449 New (0, cctx, 1, coro_cctx); 1516 New (0, cctx, 1, coro_cctx);
… …
1455 return cctx; 1522 return cctx;
1456} 1523}
1457 1524
1458/* create a new cctx only suitable as source */ 1525/* create a new cctx only suitable as source */
1459static coro_cctx * 1526static coro_cctx *
1460cctx_new_empty () 1527cctx_new_empty (void)
1461{ 1528{
1462 coro_cctx *cctx = cctx_new (); 1529 coro_cctx *cctx = cctx_new ();
1463 1530
1464 cctx->sptr = 0; 1531 cctx->stack.sptr = 0;
1465 coro_create (&cctx->cctx, 0, 0, 0, 0); 1532 coro_create (&cctx->cctx, 0, 0, 0, 0);
1466 1533
1467 return cctx; 1534 return cctx;
1468} 1535}
1469 1536
1470/* create a new cctx suitable as destination/running a perl interpreter */ 1537/* create a new cctx suitable as destination/running a perl interpreter */
1471static coro_cctx * 1538static coro_cctx *
1472cctx_new_run () 1539cctx_new_run (void)
1473{ 1540{
1474 coro_cctx *cctx = cctx_new (); 1541 coro_cctx *cctx = cctx_new ();
1475 void *stack_start;
1476 size_t stack_size;
1477 1542
1478#if HAVE_MMAP 1543 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1479 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1480 /* mmap supposedly does allocate-on-write for us */
1481 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1482
1483 if (cctx->sptr != (void *)-1)
1484 {
1485 #if CORO_STACKGUARD
1486 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1487 #endif
1488 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1489 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1490 cctx->flags |= CC_MAPPED;
1491 } 1544 {
1492 else
1493#endif
1494 {
1495 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1496 New (0, cctx->sptr, cctx_stacksize, long);
1497
1498 if (!cctx->sptr)
1499 {
1500 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1545 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1501 _exit (EXIT_FAILURE); 1546 _exit (EXIT_FAILURE);
1502 }
1503
1504 stack_start = cctx->sptr;
1505 stack_size = cctx->ssize;
1506 } 1547 }
1507 1548
1508 #if CORO_USE_VALGRIND
1509 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1510 #endif
1511
1512 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1549 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1513 1550
1514 return cctx; 1551 return cctx;
1515} 1552}
1516 1553
1517static void 1554static void
… …
1523 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1560 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1524 1561
1525 --cctx_count; 1562 --cctx_count;
1526 coro_destroy (&cctx->cctx); 1563 coro_destroy (&cctx->cctx);
1527 1564
1528 /* coro_transfer creates new, empty cctx's */ 1565 coro_stack_free (&cctx->stack);
1529 if (cctx->sptr)
1530 {
1531 #if CORO_USE_VALGRIND
1532 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1533 #endif
1534
1535#if HAVE_MMAP
1536 if (cctx->flags & CC_MAPPED)
1537 munmap (cctx->sptr, cctx->ssize);
1538 else
1539#endif
1540 Safefree (cctx->sptr);
1541 }
1542 1566
1543 Safefree (cctx); 1567 Safefree (cctx);
1544} 1568}
1545 1569
1546/* wether this cctx should be destructed */ 1570/* wether this cctx should be destructed */
… …
1565} 1589}
1566 1590
1567static void 1591static void
1568cctx_put (coro_cctx *cctx) 1592cctx_put (coro_cctx *cctx)
1569{ 1593{
1570 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1594 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1571 1595
1572 /* free another cctx if overlimit */ 1596 /* free another cctx if overlimit */
1573 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1597 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1574 { 1598 {
1575 coro_cctx *first = cctx_first; 1599 coro_cctx *first = cctx_first;
… …
1701 return; 1725 return;
1702 1726
1703 slf_destroy (aTHX_ coro); 1727 slf_destroy (aTHX_ coro);
1704 1728
1705 coro->flags |= CF_ZOMBIE; 1729 coro->flags |= CF_ZOMBIE;
1706 1730
1707 if (coro->flags & CF_READY) 1731 if (coro->flags & CF_READY)
1708 { 1732 {
1709 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1733 /* reduce nready, as destroying a ready coro effectively unreadies it */
1710 /* alternative: look through all ready queues and remove the coro */ 1734 /* alternative: look through all ready queues and remove the coro */
1711 --coro_nready; 1735 --coro_nready;
… …
1788 TRANSFER (ta, 1); 1812 TRANSFER (ta, 1);
1789} 1813}
1790 1814
1791/** Coro ********************************************************************/ 1815/** Coro ********************************************************************/
1792 1816
1793ECB_INLINE void 1817ecb_inline void
1794coro_enq (pTHX_ struct coro *coro) 1818coro_enq (pTHX_ struct coro *coro)
1795{ 1819{
1796 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1820 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1797 1821
1798 SvREFCNT_inc_NN (coro->hv); 1822 SvREFCNT_inc_NN (coro->hv);
… …
1800 coro->next_ready = 0; 1824 coro->next_ready = 0;
1801 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1825 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1802 ready [1] = coro; 1826 ready [1] = coro;
1803} 1827}
1804 1828
1805ECB_INLINE struct coro * 1829ecb_inline struct coro *
1806coro_deq (pTHX) 1830coro_deq (pTHX)
1807{ 1831{
1808 int prio; 1832 int prio;
1809 1833
1810 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1834 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
… …
1863{ 1887{
1864 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1888 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1865} 1889}
1866 1890
1867/* expects to own a reference to next->hv */ 1891/* expects to own a reference to next->hv */
1868ECB_INLINE void 1892ecb_inline void
1869prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1893prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1870{ 1894{
1871 SV *prev_sv = SvRV (coro_current); 1895 SV *prev_sv = SvRV (coro_current);
1872 1896
1873 ta->prev = SvSTATE_hv (prev_sv); 1897 ta->prev = SvSTATE_hv (prev_sv);
… …
1907 /* nothing to schedule: call the idle handler */ 1931 /* nothing to schedule: call the idle handler */
1908 if (SvROK (sv_idle) 1932 if (SvROK (sv_idle)
1909 && SvOBJECT (SvRV (sv_idle))) 1933 && SvOBJECT (SvRV (sv_idle)))
1910 { 1934 {
1911 if (SvRV (sv_idle) == SvRV (coro_current)) 1935 if (SvRV (sv_idle) == SvRV (coro_current))
1936 {
1937 require_pv ("Carp");
1938
1939 {
1940 dSP;
1941
1942 ENTER;
1943 SAVETMPS;
1944
1945 PUSHMARK (SP);
1912 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1946 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1947 PUTBACK;
1948 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1949
1950 FREETMPS;
1951 LEAVE;
1952 }
1953 }
1913 1954
1914 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1955 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1915 api_ready (aTHX_ SvRV (sv_idle)); 1956 api_ready (aTHX_ SvRV (sv_idle));
1916 --coro_nready; 1957 --coro_nready;
1917 } 1958 }
… …
1932 } 1973 }
1933 } 1974 }
1934 } 1975 }
1935} 1976}
1936 1977
1937ECB_INLINE void 1978ecb_inline void
1938prepare_cede (pTHX_ struct coro_transfer_args *ta) 1979prepare_cede (pTHX_ struct coro_transfer_args *ta)
1939{ 1980{
1940 api_ready (aTHX_ coro_current); 1981 api_ready (aTHX_ coro_current);
1941 prepare_schedule (aTHX_ ta); 1982 prepare_schedule (aTHX_ ta);
1942} 1983}
1943 1984
1944ECB_INLINE void 1985ecb_inline void
1945prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1986prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1946{ 1987{
1947 SV *prev = SvRV (coro_current); 1988 SV *prev = SvRV (coro_current);
1948 1989
1949 if (coro_nready) 1990 if (coro_nready)
… …
2114{ 2155{
2115 AV *od = coro->on_destroy; 2156 AV *od = coro->on_destroy;
2116 2157
2117 if (!od) 2158 if (!od)
2118 return; 2159 return;
2160
2161 coro->on_destroy = 0;
2162 sv_2mortal ((SV *)od);
2119 2163
2120 while (AvFILLp (od) >= 0) 2164 while (AvFILLp (od) >= 0)
2121 { 2165 {
2122 SV *cb = sv_2mortal (av_pop (od)); 2166 SV *cb = sv_2mortal (av_pop (od));
2123 2167
… …
2144 2188
2145static void 2189static void
2146coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2190coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2147{ 2191{
2148 AV *av; 2192 AV *av;
2149 2193
2150 if (coro->status) 2194 if (coro->status)
2151 { 2195 {
2152 av = coro->status; 2196 av = coro->status;
2153 av_clear (av); 2197 av_clear (av);
2154 } 2198 }
… …
2201 2245
2202 coro = SvSTATE (arg [0]); 2246 coro = SvSTATE (arg [0]);
2203 coro_hv = coro->hv; 2247 coro_hv = coro->hv;
2204 2248
2205 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2249 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2206 2250
2207 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2251 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2208 { 2252 {
2209 /* coro currently busy cancelling something, so just notify it */ 2253 /* coro currently busy cancelling something, so just notify it */
2210 coro->slf_frame.data = (void *)coro; 2254 coro->slf_frame.data = (void *)coro;
2211 2255
… …
2218 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2262 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2219 } 2263 }
2220 else 2264 else
2221 { 2265 {
2222 struct coro *self = SvSTATE_current; 2266 struct coro *self = SvSTATE_current;
2267
2268 if (!self)
2269 croak ("Coro::cancel called outside of thread content,");
2223 2270
2224 /* otherwise we cancel directly, purely for speed reasons 2271 /* otherwise we cancel directly, purely for speed reasons
2225 * unfortunately, this requires some magic trickery, as 2272 * unfortunately, this requires some magic trickery, as
2226 * somebody else could cancel us, so we have to fight the cancellation. 2273 * somebody else could cancel us, so we have to fight the cancellation.
2227 * this is ugly, and hopefully fully worth the extra speed. 2274 * this is ugly, and hopefully fully worth the extra speed.
… …
2390 2437
2391static int 2438static int
2392slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2439slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2393{ 2440{
2394 SV *data = (SV *)frame->data; 2441 SV *data = (SV *)frame->data;
2395 2442
2396 if (CORO_THROW) 2443 if (CORO_THROW)
2397 return 0; 2444 return 0;
2398 2445
2399 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2446 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2400 return 1; 2447 return 1;
… …
2436 cb = sv_2mortal (coro->rouse_cb); 2483 cb = sv_2mortal (coro->rouse_cb);
2437 coro->rouse_cb = 0; 2484 coro->rouse_cb = 0;
2438 } 2485 }
2439 2486
2440 if (!SvROK (cb) 2487 if (!SvROK (cb)
2441 || SvTYPE (SvRV (cb)) != SVt_PVCV 2488 || SvTYPE (SvRV (cb)) != SVt_PVCV
2442 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2489 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2443 croak ("Coro::rouse_wait called with illegal callback argument,"); 2490 croak ("Coro::rouse_wait called with illegal callback argument,");
2444 2491
2445 { 2492 {
2446 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2493 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
… …
2569 2616
2570/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2617/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2571static void 2618static void
2572slf_destroy (pTHX_ struct coro *coro) 2619slf_destroy (pTHX_ struct coro *coro)
2573{ 2620{
2574 /* this callback is reserved for slf functions needing to do cleanup */ 2621 struct CoroSLF frame = coro->slf_frame;
2575 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2576 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2577 2622
2578 /* 2623 /*
2579 * The on_destroy above most likely is from an SLF call. 2624 * The on_destroy below most likely is from an SLF call.
2580 * Since by definition the SLF call will not finish when we destroy 2625 * Since by definition the SLF call will not finish when we destroy
2581 * the coro, we will have to force-finish it here, otherwise 2626 * the coro, we will have to force-finish it here, otherwise
2582 * cleanup functions cannot call SLF functions. 2627 * cleanup functions cannot call SLF functions.
2583 */ 2628 */
2584 coro->slf_frame.prepare = 0; 2629 coro->slf_frame.prepare = 0;
2630
2631 /* this callback is reserved for slf functions needing to do cleanup */
2632 if (frame.destroy && frame.prepare && !PL_dirty)
2633 frame.destroy (aTHX_ &frame);
2585} 2634}
2586 2635
2587/* 2636/*
2588 * these not obviously related functions are all rolled into one 2637 * these not obviously related functions are all rolled into one
2589 * function to increase chances that they all will call transfer with the same 2638 * function to increase chances that they all will call transfer with the same
… …
2929{ 2978{
2930 AV *av = (AV *)frame->data; 2979 AV *av = (AV *)frame->data;
2931 SV *count_sv = AvARRAY (av)[0]; 2980 SV *count_sv = AvARRAY (av)[0];
2932 SV *coro_hv = SvRV (coro_current); 2981 SV *coro_hv = SvRV (coro_current);
2933 2982
2983 frame->destroy = 0;
2984
2934 /* if we are about to throw, don't actually acquire the lock, just throw */ 2985 /* if we are about to throw, don't actually acquire the lock, just throw */
2935 if (CORO_THROW) 2986 if (ecb_expect_false (CORO_THROW))
2987 {
2988 /* we still might be responsible for the semaphore, so wake up others */
2989 coro_semaphore_adjust (aTHX_ av, 0);
2990
2936 return 0; 2991 return 0;
2992 }
2937 else if (SvIVX (count_sv) > 0) 2993 else if (SvIVX (count_sv) > 0)
2938 { 2994 {
2939 frame->destroy = 0;
2940
2941 if (acquire) 2995 if (acquire)
2942 SvIVX (count_sv) = SvIVX (count_sv) - 1; 2996 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2943 else 2997 else
2944 coro_semaphore_adjust (aTHX_ av, 0); 2998 coro_semaphore_adjust (aTHX_ av, 0);
2945 2999
… …
2949 { 3003 {
2950 int i; 3004 int i;
2951 /* if we were woken up but can't down, we look through the whole */ 3005 /* if we were woken up but can't down, we look through the whole */
2952 /* waiters list and only add us if we aren't in there already */ 3006 /* waiters list and only add us if we aren't in there already */
2953 /* this avoids some degenerate memory usage cases */ 3007 /* this avoids some degenerate memory usage cases */
2954 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug 3008 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2955 if (AvARRAY (av)[i] == coro_hv) 3009 if (AvARRAY (av)[i] == coro_hv)
2956 return 1; 3010 return 1;
2957 3011
2958 av_push (av, SvREFCNT_inc (coro_hv)); 3012 av_push (av, SvREFCNT_inc (coro_hv));
2959 return 1; 3013 return 1;
… …
3167 /* it quickly returns */ 3221 /* it quickly returns */
3168 if (CORO_THROW) 3222 if (CORO_THROW)
3169 return 0; 3223 return 0;
3170 3224
3171 /* one element that is an RV? repeat! */ 3225 /* one element that is an RV? repeat! */
3172 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3226 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3173 return 1; 3227 return 1;
3174 3228
3175 /* restore status */ 3229 /* restore status */
3176 { 3230 {
3177 SV *data_sv = av_pop (state); 3231 SV *data_sv = av_pop (state);
… …
3339#endif 3393#endif
3340 3394
3341#if CORO_JIT 3395#if CORO_JIT
3342 3396
3343static void ecb_noinline ecb_cold 3397static void ecb_noinline ecb_cold
3344pushav_3uv (pTHX_ UV a, UV b, UV c) 3398pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3345{ 3399{
3346 dSP; 3400 dSP;
3347 AV *av = newAV (); 3401 AV *av = newAV ();
3348 3402
3403 av_store (av, 3, newSVuv (d));
3349 av_store (av, 2, newSVuv (c)); 3404 av_store (av, 2, newSVuv (c));
3350 av_store (av, 1, newSVuv (b)); 3405 av_store (av, 1, newSVuv (b));
3351 av_store (av, 0, newSVuv (a)); 3406 av_store (av, 0, newSVuv (a));
3352 3407
3353 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 3408 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
… …
3360{ 3415{
3361 dSP; 3416 dSP;
3362 SV *load, *save; 3417 SV *load, *save;
3363 char *map_base; 3418 char *map_base;
3364 char *load_ptr, *save_ptr; 3419 char *load_ptr, *save_ptr;
3365 STRLEN load_len, save_len; 3420 STRLEN load_len, save_len, map_len;
3366 int count; 3421 int count;
3367 3422
3423 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3424
3368 PUSHMARK (SP); 3425 PUSHMARK (SP);
3369 PUTBACK;
3370#define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); 3426 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3371# include "state.h" 3427 #include "state.h"
3372#undef VARx
3373 count = call_pv ("Coro::State::_jit", G_ARRAY); 3428 count = call_pv ("Coro::State::_jit", G_ARRAY);
3374 SPAGAIN; 3429 SPAGAIN;
3375 3430
3376 save = POPs; save_ptr = SvPVbyte (save, save_len); 3431 save = POPs; save_ptr = SvPVbyte (save, save_len);
3377 load = POPs; load_ptr = SvPVbyte (load, load_len); 3432 load = POPs; load_ptr = SvPVbyte (load, load_len);
3378 3433
3434 map_len = load_len + save_len + 16;
3435
3379 map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); 3436 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3380 3437
3381 assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); 3438 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3382 3439
3383 load_perl_slots = (load_save_perl_slots_type)map_base; 3440 load_perl_slots = (load_save_perl_slots_type)map_base;
3384 memcpy (map_base, load_ptr, load_len); 3441 memcpy (map_base, load_ptr, load_len);
3385 3442
3386 map_base += (load_len + 15) & ~15; 3443 map_base += (load_len + 15) & ~15;
3387 3444
3388 save_perl_slots = (load_save_perl_slots_type)map_base; 3445 save_perl_slots = (load_save_perl_slots_type)map_base;
3389 memcpy (map_base, save_ptr, save_len); 3446 memcpy (map_base, save_ptr, save_len);
3447
3448 /* we are good citizens and try to make the page read-only, so the evil evil */
3449 /* hackers might have it a bit more difficult */
3450 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3451
3452 PUTBACK;
3453 eval_pv ("undef &Coro::State::_jit", 1);
3390} 3454}
3391 3455
3392#endif 3456#endif
3393 3457
3394MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3458MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3395 3459
3396PROTOTYPES: DISABLE 3460PROTOTYPES: DISABLE
3397 3461
3398BOOT: 3462BOOT:
3399{ 3463{
3464#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3465#include "state.h"
3400#ifdef USE_ITHREADS 3466#ifdef USE_ITHREADS
3401# if CORO_PTHREAD 3467# if CORO_PTHREAD
3402 coro_thx = PERL_GET_CONTEXT; 3468 coro_thx = PERL_GET_CONTEXT;
3403# endif 3469# endif
3404#endif 3470#endif
3405 BOOT_PAGESIZE;
3406
3407 /* perl defines these to check for existance first, but why it doesn't */ 3471 /* perl defines these to check for existance first, but why it doesn't */
3408 /* just create them one at init time is not clear to me, except for */ 3472 /* just create them one at init time is not clear to me, except for */
3409 /* programs trying to delete them, but... */ 3473 /* programs trying to delete them, but... */
3410 /* anyway, we declare this as invalid and make sure they are initialised here */ 3474 /* anyway, we declare this as invalid and make sure they are initialised here */
3411 DEFSV; 3475 DEFSV;
… …
3462 time_init (aTHX); 3526 time_init (aTHX);
3463 3527
3464 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3528 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3465#if CORO_JIT 3529#if CORO_JIT
3466 PUTBACK; 3530 PUTBACK;
3467 require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl");
3468 jit_init (aTHX); 3531 jit_init (aTHX);
3469 perl_eval_pv ("undef &Coro::State::_jit", 1);
3470 SPAGAIN; 3532 SPAGAIN;
3471#endif 3533#endif
3472} 3534}
3473 3535
3474SV * 3536SV *
… …
3483void 3545void
3484transfer (...) 3546transfer (...)
3485 PROTOTYPE: $$ 3547 PROTOTYPE: $$
3486 CODE: 3548 CODE:
3487 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3549 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3488
3489void
3490_exit (int code)
3491 PROTOTYPE: $
3492 CODE:
3493 _exit (code);
3494 3550
3495SV * 3551SV *
3496clone (Coro::State coro) 3552clone (Coro::State coro)
3497 CODE: 3553 CODE:
3498{ 3554{
… …
3553void 3609void
3554list () 3610list ()
3555 PROTOTYPE: 3611 PROTOTYPE:
3556 PPCODE: 3612 PPCODE:
3557{ 3613{
3558 struct coro *coro; 3614 struct coro *coro;
3559 for (coro = coro_first; coro; coro = coro->next) 3615 for (coro = coro_first; coro; coro = coro->next)
3560 if (coro->hv) 3616 if (coro->hv)
3561 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3617 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3562} 3618}
3563 3619
… …
3627 RETVAL = boolSV (coro->flags & ix); 3683 RETVAL = boolSV (coro->flags & ix);
3628 OUTPUT: 3684 OUTPUT:
3629 RETVAL 3685 RETVAL
3630 3686
3631void 3687void
3632throw (Coro::State self, SV *exception = &PL_sv_undef) 3688throw (SV *self, SV *exception = &PL_sv_undef)
3633 PROTOTYPE: $;$ 3689 PROTOTYPE: $;$
3634 CODE: 3690 CODE:
3635{ 3691{
3692 struct coro *coro = SvSTATE (self);
3636 struct coro *current = SvSTATE_current; 3693 struct coro *current = SvSTATE_current;
3637 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3694 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3638 SvREFCNT_dec (*exceptionp); 3695 SvREFCNT_dec (*exceptionp);
3639 SvGETMAGIC (exception); 3696 SvGETMAGIC (exception);
3640 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3697 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3698
3699 api_ready (aTHX_ self);
3641} 3700}
3642 3701
3643void 3702void
3644api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3703api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3645 PROTOTYPE: $;$ 3704 PROTOTYPE: $;$
… …
3722 3781
3723void 3782void
3724times (Coro::State self) 3783times (Coro::State self)
3725 PPCODE: 3784 PPCODE:
3726{ 3785{
3727 struct coro *current = SvSTATE (coro_current); 3786 struct coro *current = SvSTATE (coro_current);
3728 3787
3729 if (ecb_expect_false (current == self)) 3788 if (ecb_expect_false (current == self))
3730 { 3789 {
3731 coro_times_update (); 3790 coro_times_update ();
3732 coro_times_add (SvSTATE (coro_current)); 3791 coro_times_add (SvSTATE (coro_current));
… …
3775 3834
3776 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3835 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3777 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3836 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3778 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3837 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3779 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3838 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3780 3839
3781 coro_stash = gv_stashpv ("Coro", TRUE); 3840 coro_stash = gv_stashpv ("Coro", TRUE);
3782 3841
3783 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3842 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3784 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3843 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3785 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3844 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
4007 on_leave = 1 4066 on_leave = 1
4008 PROTOTYPE: & 4067 PROTOTYPE: &
4009 CODE: 4068 CODE:
4010{ 4069{
4011 struct coro *coro = SvSTATE_current; 4070 struct coro *coro = SvSTATE_current;
4012 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4071 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4013 4072
4014 block = s_get_cv_croak (block); 4073 block = s_get_cv_croak (block);
4015 4074
4016 if (!*avp) 4075 if (!*avp)
4017 *avp = newAV (); 4076 *avp = newAV ();
… …
4037 4096
4038SV * 4097SV *
4039new (SV *klass, SV *count = 0) 4098new (SV *klass, SV *count = 0)
4040 CODE: 4099 CODE:
4041{ 4100{
4042 int semcnt = 1; 4101 int semcnt = 1;
4043 4102
4044 if (count) 4103 if (count)
4045 { 4104 {
4046 SvGETMAGIC (count); 4105 SvGETMAGIC (count);
4047 4106
… …
4107 XSRETURN_NO; 4166 XSRETURN_NO;
4108} 4167}
4109 4168
4110void 4169void
4111waiters (SV *self) 4170waiters (SV *self)
4112 PPCODE: 4171 PPCODE:
4113{ 4172{
4114 AV *av = (AV *)SvRV (self); 4173 AV *av = (AV *)SvRV (self);
4115 int wcount = AvFILLp (av) + 1 - 1; 4174 int wcount = AvFILLp (av) + 1 - 1;
4116 4175
4117 if (GIMME_V == G_SCALAR) 4176 if (GIMME_V == G_SCALAR)
… …
4126} 4185}
4127 4186
4128MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4187MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
4129 4188
4130void 4189void
4131_may_delete (SV *sem, int count, int extra_refs) 4190_may_delete (SV *sem, int count, unsigned int extra_refs)
4132 PPCODE: 4191 PPCODE:
4133{ 4192{
4134 AV *av = (AV *)SvRV (sem); 4193 AV *av = (AV *)SvRV (sem);
4135 4194
4136 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4195 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4137 && AvFILLp (av) == 0 /* no waiters, just count */ 4196 && AvFILLp (av) == 0 /* no waiters, just count */
4138 && SvIV (AvARRAY (av)[0]) == count) 4197 && SvIV (AvARRAY (av)[0]) == count)
4139 XSRETURN_YES; 4198 XSRETURN_YES;
… …
4160 4219
4161void 4220void
4162broadcast (SV *self) 4221broadcast (SV *self)
4163 CODE: 4222 CODE:
4164{ 4223{
4165 AV *av = (AV *)SvRV (self); 4224 AV *av = (AV *)SvRV (self);
4166 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4225 coro_signal_wake (aTHX_ av, AvFILLp (av));
4167} 4226}
4168 4227
4169void 4228void
4170send (SV *self) 4229send (SV *self)
… …
4178 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4237 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4179} 4238}
4180 4239
4181IV 4240IV
4182awaited (SV *self) 4241awaited (SV *self)
4183 CODE: 4242 CODE:
4184 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4243 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4185 OUTPUT: 4244 OUTPUT:
4186 RETVAL 4245 RETVAL
4187 4246
4188 4247
… …
4193 4252
4194void 4253void
4195_schedule (...) 4254_schedule (...)
4196 CODE: 4255 CODE:
4197{ 4256{
4198 static int incede; 4257 static int incede;
4199 4258
4200 api_cede_notself (aTHX); 4259 api_cede_notself (aTHX);
4201 4260
4202 ++incede; 4261 ++incede;
4203 while (coro_nready >= incede && api_cede (aTHX)) 4262 while (coro_nready >= incede && api_cede (aTHX))
… …
4247 { 4306 {
4248 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4307 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4249 coro_old_pp_sselect = 0; 4308 coro_old_pp_sselect = 0;
4250 } 4309 }
4251 4310
4311MODULE = Coro::State PACKAGE = Coro::Util
4312
4313void
4314_exit (int code)
4315 CODE:
4316 _exit (code);
4317
4318NV
4319time ()
4320 CODE:
4321 RETVAL = nvtime (aTHX);
4322 OUTPUT:
4323 RETVAL
4324
4325NV
4326gettimeofday ()
4327 PPCODE:
4328{
4329 UV tv [2];
4330 u2time (aTHX_ tv);
4331 EXTEND (SP, 2);
4332 PUSHs (sv_2mortal (newSVuv (tv [0])));
4333 PUSHs (sv_2mortal (newSVuv (tv [1])));
4334}
4335

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