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Comparing Coro/Coro/State.xs (file contents):
Revision 1.402 by root, Sun May 22 13:07:23 2011 UTC vs.
Revision 1.417 by root, Sun Feb 19 11:14:45 2012 UTC

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#include "ecb.h"
17 18
19#include <stddef.h>
18#include <stdio.h> 20#include <stdio.h>
19#include <errno.h> 21#include <errno.h>
20#include <assert.h> 22#include <assert.h>
21 23
22#ifndef SVs_PADSTALE 24#ifndef SVs_PADSTALE
31# define setjmp _setjmp /* deep magic */ 33# define setjmp _setjmp /* deep magic */
32#else 34#else
33# include <inttypes.h> /* most portable stdint.h */ 35# include <inttypes.h> /* most portable stdint.h */
34#endif 36#endif
35 37
36#ifdef HAVE_MMAP 38#if HAVE_MMAP
37# include <unistd.h> 39# include <unistd.h>
38# include <sys/mman.h> 40# include <sys/mman.h>
39# ifndef MAP_ANONYMOUS 41# ifndef MAP_ANONYMOUS
40# ifdef MAP_ANON 42# ifdef MAP_ANON
41# define MAP_ANONYMOUS MAP_ANON 43# define MAP_ANONYMOUS MAP_ANON
61#endif 63#endif
62 64
63/* the maximum number of idle cctx that will be pooled */ 65/* the maximum number of idle cctx that will be pooled */
64static int cctx_max_idle = 4; 66static int cctx_max_idle = 4;
65 67
68#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# define HAS_SCOPESTACK_NAME 1
70#endif
71
66#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 72#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
67# undef CORO_STACKGUARD 73# undef CORO_STACKGUARD
68#endif 74#endif
69 75
70#ifndef CORO_STACKGUARD 76#ifndef CORO_STACKGUARD
86# define STACKLEVEL ((void *)&stacklevel) 92# define STACKLEVEL ((void *)&stacklevel)
87#endif 93#endif
88 94
89#define IN_DESTRUCT PL_dirty 95#define IN_DESTRUCT PL_dirty
90 96
91#if __GNUC__ >= 3
92# define attribute(x) __attribute__(x)
93# define expect(expr,value) __builtin_expect ((expr), (value))
94# define INLINE static inline
95#else
96# define attribute(x)
97# define expect(expr,value) (expr)
98# define INLINE static
99#endif
100
101#define expect_false(expr) expect ((expr) != 0, 0)
102#define expect_true(expr) expect ((expr) != 0, 1)
103
104#define NOINLINE attribute ((noinline))
105
106#include "CoroAPI.h" 97#include "CoroAPI.h"
107#define GCoroAPI (&coroapi) /* very sneaky */ 98#define GCoroAPI (&coroapi) /* very sneaky */
108 99
109#ifdef USE_ITHREADS 100#ifdef USE_ITHREADS
110# if CORO_PTHREAD 101# if CORO_PTHREAD
111static void *coro_thx; 102static void *coro_thx;
112# endif 103# endif
113#endif 104#endif
105
106/* used in state.h */
107#define VAR(name,type) VARx(name, PL_ ## name, type)
114 108
115#ifdef __linux 109#ifdef __linux
116# include <time.h> /* for timespec */ 110# include <time.h> /* for timespec */
117# include <syscall.h> /* for SYS_* */ 111# include <syscall.h> /* for SYS_* */
118# ifdef SYS_clock_gettime 112# ifdef SYS_clock_gettime
187 void *sptr; 181 void *sptr;
188 size_t ssize; 182 size_t ssize;
189 183
190 /* cpu state */ 184 /* cpu state */
191 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 185 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
186#ifndef NDEBUG
192 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 187 JMPENV *idle_te; /* same as idle_sp, but for top_env */
188#endif
193 JMPENV *top_env; 189 JMPENV *top_env;
194 coro_context cctx; 190 coro_context cctx;
195 191
196 U32 gen; 192 U32 gen;
197#if CORO_USE_VALGRIND 193#if CORO_USE_VALGRIND
217}; 213};
218 214
219/* the structure where most of the perl state is stored, overlaid on the cxstack */ 215/* the structure where most of the perl state is stored, overlaid on the cxstack */
220typedef struct 216typedef struct
221{ 217{
222 SV *defsv;
223 AV *defav;
224 SV *errsv;
225 SV *irsgv;
226 HV *hinthv;
227#define VAR(name,type) type name; 218#define VARx(name,expr,type) type name;
228# include "state.h" 219# include "state.h"
229#undef VAR 220#undef VARx
230} perl_slots; 221} perl_slots;
231 222
232// how many context stack entries do we need for perl_slots 223/* how many context stack entries do we need for perl_slots */
233#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 224#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
234 225
235/* this is a structure representing a perl-level coroutine */ 226/* this is a structure representing a perl-level coroutine */
236struct coro 227struct coro
237{ 228{
303static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 294static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
304static CV *cv_coro_run; 295static CV *cv_coro_run;
305static struct coro *coro_first; 296static struct coro *coro_first;
306#define coro_nready coroapi.nready 297#define coro_nready coroapi.nready
307 298
299/** JIT *********************************************************************/
300
301#if CORO_JIT
302 /* APPLE doesn't have HAVE_MMAP though */
303 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
304 #ifndef CORO_JIT_TYPE
305 #if __x86_64 && CORO_JIT_UNIXY
306 #define CORO_JIT_TYPE "amd64-unix"
307 #elif __i386 && CORO_JIT_UNIXY
308 #define CORO_JIT_TYPE "x86-unix"
309 #endif
310 #endif
311#endif
312
313#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP
314 #undef CORO_JIT
315#endif
316
317#if CORO_JIT
318 typedef void (*load_save_perl_slots_type)(perl_slots *);
319 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
320#endif
321
308/** Coro::Select ************************************************************/ 322/** Coro::Select ************************************************************/
309 323
310static OP *(*coro_old_pp_sselect) (pTHX); 324static OP *(*coro_old_pp_sselect) (pTHX);
311static SV *coro_select_select; 325static SV *coro_select_select;
312 326
327 341
328/** time stuff **************************************************************/ 342/** time stuff **************************************************************/
329 343
330#ifdef HAS_GETTIMEOFDAY 344#ifdef HAS_GETTIMEOFDAY
331 345
332static void 346ecb_inline void
333coro_u2time (pTHX_ UV ret[2]) 347coro_u2time (pTHX_ UV ret[2])
334{ 348{
335 struct timeval tv; 349 struct timeval tv;
336 gettimeofday (&tv, 0); 350 gettimeofday (&tv, 0);
337 351
338 ret [0] = tv.tv_sec; 352 ret [0] = tv.tv_sec;
339 ret [1] = tv.tv_usec; 353 ret [1] = tv.tv_usec;
340} 354}
341 355
342static double 356ecb_inline double
343coro_nvtime () 357coro_nvtime (void)
344{ 358{
345 struct timeval tv; 359 struct timeval tv;
346 gettimeofday (&tv, 0); 360 gettimeofday (&tv, 0);
347 361
348 return tv.tv_sec + tv.tv_usec * 1e-6; 362 return tv.tv_sec + tv.tv_usec * 1e-6;
349} 363}
350 364
351static void 365ecb_inline void
352time_init (pTHX) 366time_init (pTHX)
353{ 367{
354 nvtime = coro_nvtime; 368 nvtime = coro_nvtime;
355 u2time = coro_u2time; 369 u2time = coro_u2time;
356} 370}
357 371
358#else 372#else
359 373
360static void 374ecb_inline void
361time_init (pTHX) 375time_init (pTHX)
362{ 376{
363 SV **svp; 377 SV **svp;
364 378
365 require_pv ("Time/HiRes.pm"); 379 require_pv ("Time/HiRes.pm");
377 391
378#endif 392#endif
379 393
380/** lowlevel stuff **********************************************************/ 394/** lowlevel stuff **********************************************************/
381 395
382static SV * 396static SV * ecb_noinline
383coro_get_sv (pTHX_ const char *name, int create) 397coro_get_sv (pTHX_ const char *name, int create)
384{ 398{
385#if PERL_VERSION_ATLEAST (5,10,0) 399#if PERL_VERSION_ATLEAST (5,10,0)
386 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 400 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
387 get_sv (name, create); 401 get_sv (name, create);
388#endif 402#endif
389 return get_sv (name, create); 403 return get_sv (name, create);
390} 404}
391 405
392static AV * 406static AV * ecb_noinline
393coro_get_av (pTHX_ const char *name, int create) 407coro_get_av (pTHX_ const char *name, int create)
394{ 408{
395#if PERL_VERSION_ATLEAST (5,10,0) 409#if PERL_VERSION_ATLEAST (5,10,0)
396 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 410 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
397 get_av (name, create); 411 get_av (name, create);
398#endif 412#endif
399 return get_av (name, create); 413 return get_av (name, create);
400} 414}
401 415
402static HV * 416static HV * ecb_noinline
403coro_get_hv (pTHX_ const char *name, int create) 417coro_get_hv (pTHX_ const char *name, int create)
404{ 418{
405#if PERL_VERSION_ATLEAST (5,10,0) 419#if PERL_VERSION_ATLEAST (5,10,0)
406 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 420 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
407 get_hv (name, create); 421 get_hv (name, create);
408#endif 422#endif
409 return get_hv (name, create); 423 return get_hv (name, create);
410} 424}
411 425
412INLINE void 426ecb_inline void
413coro_times_update () 427coro_times_update (void)
414{ 428{
415#ifdef coro_clock_gettime 429#ifdef coro_clock_gettime
416 struct timespec ts; 430 struct timespec ts;
417 431
418 ts.tv_sec = ts.tv_nsec = 0; 432 ts.tv_sec = ts.tv_nsec = 0;
430 time_real [0] = tv [0]; 444 time_real [0] = tv [0];
431 time_real [1] = tv [1] * 1000; 445 time_real [1] = tv [1] * 1000;
432#endif 446#endif
433} 447}
434 448
435INLINE void 449ecb_inline void
436coro_times_add (struct coro *c) 450coro_times_add (struct coro *c)
437{ 451{
438 c->t_real [1] += time_real [1]; 452 c->t_real [1] += time_real [1];
439 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 453 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
440 c->t_real [0] += time_real [0]; 454 c->t_real [0] += time_real [0];
442 c->t_cpu [1] += time_cpu [1]; 456 c->t_cpu [1] += time_cpu [1];
443 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 457 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
444 c->t_cpu [0] += time_cpu [0]; 458 c->t_cpu [0] += time_cpu [0];
445} 459}
446 460
447INLINE void 461ecb_inline void
448coro_times_sub (struct coro *c) 462coro_times_sub (struct coro *c)
449{ 463{
450 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 464 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
451 c->t_real [1] -= time_real [1]; 465 c->t_real [1] -= time_real [1];
452 c->t_real [0] -= time_real [0]; 466 c->t_real [0] -= time_real [0];
460/* magic glue */ 474/* magic glue */
461 475
462#define CORO_MAGIC_type_cv 26 476#define CORO_MAGIC_type_cv 26
463#define CORO_MAGIC_type_state PERL_MAGIC_ext 477#define CORO_MAGIC_type_state PERL_MAGIC_ext
464 478
465#define CORO_MAGIC_NN(sv, type) \ 479#define CORO_MAGIC_NN(sv, type) \
466 (expect_true (SvMAGIC (sv)->mg_type == type) \ 480 (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \
467 ? SvMAGIC (sv) \ 481 ? SvMAGIC (sv) \
468 : mg_find (sv, type)) 482 : mg_find (sv, type))
469 483
470#define CORO_MAGIC(sv, type) \ 484#define CORO_MAGIC(sv, type) \
471 (expect_true (SvMAGIC (sv)) \ 485 (ecb_expect_true (SvMAGIC (sv)) \
472 ? CORO_MAGIC_NN (sv, type) \ 486 ? CORO_MAGIC_NN (sv, type) \
473 : 0) 487 : 0)
474 488
475#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 489#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
476#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 490#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
477 491
478INLINE MAGIC * 492ecb_inline MAGIC *
479SvSTATEhv_p (pTHX_ SV *coro) 493SvSTATEhv_p (pTHX_ SV *coro)
480{ 494{
481 MAGIC *mg; 495 MAGIC *mg;
482 496
483 if (expect_true ( 497 if (ecb_expect_true (
484 SvTYPE (coro) == SVt_PVHV 498 SvTYPE (coro) == SVt_PVHV
485 && (mg = CORO_MAGIC_state (coro)) 499 && (mg = CORO_MAGIC_state (coro))
486 && mg->mg_virtual == &coro_state_vtbl 500 && mg->mg_virtual == &coro_state_vtbl
487 )) 501 ))
488 return mg; 502 return mg;
489 503
490 return 0; 504 return 0;
491} 505}
492 506
493INLINE struct coro * 507ecb_inline struct coro *
494SvSTATE_ (pTHX_ SV *coro) 508SvSTATE_ (pTHX_ SV *coro)
495{ 509{
496 MAGIC *mg; 510 MAGIC *mg;
497 511
498 if (SvROK (coro)) 512 if (SvROK (coro))
512#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 526#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
513 527
514/*****************************************************************************/ 528/*****************************************************************************/
515/* padlist management and caching */ 529/* padlist management and caching */
516 530
517static AV * 531ecb_inline AV *
518coro_derive_padlist (pTHX_ CV *cv) 532coro_derive_padlist (pTHX_ CV *cv)
519{ 533{
520 AV *padlist = CvPADLIST (cv); 534 AV *padlist = CvPADLIST (cv);
521 AV *newpadlist, *newpad; 535 AV *newpadlist, *newpad;
522 536
534 av_store (newpadlist, 1, (SV *)newpad); 548 av_store (newpadlist, 1, (SV *)newpad);
535 549
536 return newpadlist; 550 return newpadlist;
537} 551}
538 552
539static void 553ecb_inline void
540free_padlist (pTHX_ AV *padlist) 554free_padlist (pTHX_ AV *padlist)
541{ 555{
542 /* may be during global destruction */ 556 /* may be during global destruction */
543 if (!IN_DESTRUCT) 557 if (!IN_DESTRUCT)
544 { 558 {
587 0, 0, 0, 0, 601 0, 0, 0, 0,
588 coro_cv_free 602 coro_cv_free
589}; 603};
590 604
591/* the next two functions merely cache the padlists */ 605/* the next two functions merely cache the padlists */
592static void 606ecb_inline void
593get_padlist (pTHX_ CV *cv) 607get_padlist (pTHX_ CV *cv)
594{ 608{
595 MAGIC *mg = CORO_MAGIC_cv (cv); 609 MAGIC *mg = CORO_MAGIC_cv (cv);
596 AV *av; 610 AV *av;
597 611
598 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 612 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
599 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 613 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
600 else 614 else
601 { 615 {
602#if CORO_PREFER_PERL_FUNCTIONS 616#if CORO_PREFER_PERL_FUNCTIONS
603 /* this is probably cleaner? but also slower! */ 617 /* this is probably cleaner? but also slower! */
610 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 624 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
611#endif 625#endif
612 } 626 }
613} 627}
614 628
615static void 629ecb_inline void
616put_padlist (pTHX_ CV *cv) 630put_padlist (pTHX_ CV *cv)
617{ 631{
618 MAGIC *mg = CORO_MAGIC_cv (cv); 632 MAGIC *mg = CORO_MAGIC_cv (cv);
619 AV *av; 633 AV *av;
620 634
621 if (expect_false (!mg)) 635 if (ecb_expect_false (!mg))
622 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 636 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
623 637
624 av = (AV *)mg->mg_obj; 638 av = (AV *)mg->mg_obj;
625 639
626 if (expect_false (AvFILLp (av) >= AvMAX (av))) 640 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
627 av_extend (av, AvFILLp (av) + 1); 641 av_extend (av, AvFILLp (av) + 1);
628 642
629 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 643 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
630} 644}
631 645
632/** load & save, init *******************************************************/ 646/** load & save, init *******************************************************/
633 647
648ecb_inline void
649swap_sv (SV *a, SV *b)
650{
651 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
652 SV tmp;
653
654 /* swap sv_any */
655 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
656
657 /* swap sv_flags */
658 SvFLAGS (&tmp) = SvFLAGS (a);
659 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
660 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
661
662#if PERL_VERSION_ATLEAST (5,10,0)
663 /* perl 5.10 and later complicates this _quite_ a bit, but it also
664 * is much faster, so no quarrels here. alternatively, we could
665 * sv_upgrade to avoid this.
666 */
667 {
668 /* swap sv_u */
669 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
670
671 /* if SvANY points to the head, we need to adjust the pointers,
672 * as the pointer for a still points to b, and maybe vice versa.
673 */
674 #define svany_in_head(type) \
675 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
676
677 if (svany_in_head (SvTYPE (a)))
678 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
679
680 if (svany_in_head (SvTYPE (b)))
681 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
682 }
683#endif
684}
685
634/* swap sv heads, at least logically */ 686/* swap sv heads, at least logically */
635static void 687static void
636swap_svs (pTHX_ Coro__State c) 688swap_svs (pTHX_ Coro__State c)
637{ 689{
638 int i; 690 int i;
639 691
640 for (i = 0; i <= AvFILLp (c->swap_sv); ) 692 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
641 { 693 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
642 SV *a = AvARRAY (c->swap_sv)[i++];
643 SV *b = AvARRAY (c->swap_sv)[i++];
644
645 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
646 SV tmp;
647
648 /* swap sv_any */
649 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
650
651 /* swap sv_flags */
652 SvFLAGS (&tmp) = SvFLAGS (a);
653 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
654 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
655
656#if PERL_VERSION_ATLEAST (5,10,0)
657 /* perl 5.10 complicates this _quite_ a bit, but it also is
658 * much faster, so no quarrels here. alternatively, we could
659 * sv_upgrade to avoid this.
660 */
661 {
662 /* swap sv_u */
663 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
664
665 /* if SvANY points to the head, we need to adjust the pointers,
666 * as the pointer for a still points to b, and maybe vice versa.
667 */
668 #define svany_in_head(type) \
669 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
670
671 if (svany_in_head (SvTYPE (a)))
672 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
673
674 if (svany_in_head (SvTYPE (b)))
675 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
676 }
677#endif
678 }
679} 694}
680 695
681#define SWAP_SVS(coro) \ 696#define SWAP_SVS(coro) \
682 if (expect_false ((coro)->swap_sv)) \ 697 if (ecb_expect_false ((coro)->swap_sv)) \
683 swap_svs (aTHX_ (coro)) 698 swap_svs (aTHX_ (coro))
684 699
685static void 700static void
686on_enterleave_call (pTHX_ SV *cb); 701on_enterleave_call (pTHX_ SV *cb);
687 702
691 perl_slots *slot = c->slot; 706 perl_slots *slot = c->slot;
692 c->slot = 0; 707 c->slot = 0;
693 708
694 PL_mainstack = c->mainstack; 709 PL_mainstack = c->mainstack;
695 710
696 GvSV (PL_defgv) = slot->defsv; 711#if CORO_JIT
697 GvAV (PL_defgv) = slot->defav; 712 load_perl_slots (slot);
698 GvSV (PL_errgv) = slot->errsv; 713#else
699 GvSV (irsgv) = slot->irsgv;
700 GvHV (PL_hintgv) = slot->hinthv;
701
702 #define VAR(name,type) PL_ ## name = slot->name; 714 #define VARx(name,expr,type) expr = slot->name;
703 # include "state.h" 715 # include "state.h"
704 #undef VAR 716 #undef VARx
717#endif
705 718
706 { 719 {
707 dSP; 720 dSP;
708 721
709 CV *cv; 722 CV *cv;
710 723
711 /* now do the ugly restore mess */ 724 /* now do the ugly restore mess */
712 while (expect_true (cv = (CV *)POPs)) 725 while (ecb_expect_true (cv = (CV *)POPs))
713 { 726 {
714 put_padlist (aTHX_ cv); /* mark this padlist as available */ 727 put_padlist (aTHX_ cv); /* mark this padlist as available */
715 CvDEPTH (cv) = PTR2IV (POPs); 728 CvDEPTH (cv) = PTR2IV (POPs);
716 CvPADLIST (cv) = (AV *)POPs; 729 CvPADLIST (cv) = (AV *)POPs;
717 } 730 }
720 } 733 }
721 734
722 slf_frame = c->slf_frame; 735 slf_frame = c->slf_frame;
723 CORO_THROW = c->except; 736 CORO_THROW = c->except;
724 737
725 if (expect_false (enable_times)) 738 if (ecb_expect_false (enable_times))
726 { 739 {
727 if (expect_false (!times_valid)) 740 if (ecb_expect_false (!times_valid))
728 coro_times_update (); 741 coro_times_update ();
729 742
730 coro_times_sub (c); 743 coro_times_sub (c);
731 } 744 }
732 745
733 if (expect_false (c->on_enter)) 746 if (ecb_expect_false (c->on_enter))
734 { 747 {
735 int i; 748 int i;
736 749
737 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 750 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
738 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 751 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
744static void 757static void
745save_perl (pTHX_ Coro__State c) 758save_perl (pTHX_ Coro__State c)
746{ 759{
747 SWAP_SVS (c); 760 SWAP_SVS (c);
748 761
749 if (expect_false (c->on_leave)) 762 if (ecb_expect_false (c->on_leave))
750 { 763 {
751 int i; 764 int i;
752 765
753 for (i = AvFILLp (c->on_leave); i >= 0; --i) 766 for (i = AvFILLp (c->on_leave); i >= 0; --i)
754 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); 767 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
755 } 768 }
756 769
757 times_valid = 0; 770 times_valid = 0;
758 771
759 if (expect_false (enable_times)) 772 if (ecb_expect_false (enable_times))
760 { 773 {
761 coro_times_update (); times_valid = 1; 774 coro_times_update (); times_valid = 1;
762 coro_times_add (c); 775 coro_times_add (c);
763 } 776 }
764 777
778 791
779 XPUSHs (Nullsv); 792 XPUSHs (Nullsv);
780 /* this loop was inspired by pp_caller */ 793 /* this loop was inspired by pp_caller */
781 for (;;) 794 for (;;)
782 { 795 {
783 while (expect_true (cxix >= 0)) 796 while (ecb_expect_true (cxix >= 0))
784 { 797 {
785 PERL_CONTEXT *cx = &ccstk[cxix--]; 798 PERL_CONTEXT *cx = &ccstk[cxix--];
786 799
787 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) 800 if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT))
788 { 801 {
789 CV *cv = cx->blk_sub.cv; 802 CV *cv = cx->blk_sub.cv;
790 803
791 if (expect_true (CvDEPTH (cv))) 804 if (ecb_expect_true (CvDEPTH (cv)))
792 { 805 {
793 EXTEND (SP, 3); 806 EXTEND (SP, 3);
794 PUSHs ((SV *)CvPADLIST (cv)); 807 PUSHs ((SV *)CvPADLIST (cv));
795 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); 808 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
796 PUSHs ((SV *)cv); 809 PUSHs ((SV *)cv);
799 get_padlist (aTHX_ cv); 812 get_padlist (aTHX_ cv);
800 } 813 }
801 } 814 }
802 } 815 }
803 816
804 if (expect_true (top_si->si_type == PERLSI_MAIN)) 817 if (ecb_expect_true (top_si->si_type == PERLSI_MAIN))
805 break; 818 break;
806 819
807 top_si = top_si->si_prev; 820 top_si = top_si->si_prev;
808 ccstk = top_si->si_cxstack; 821 ccstk = top_si->si_cxstack;
809 cxix = top_si->si_cxix; 822 cxix = top_si->si_cxix;
811 824
812 PUTBACK; 825 PUTBACK;
813 } 826 }
814 827
815 /* allocate some space on the context stack for our purposes */ 828 /* allocate some space on the context stack for our purposes */
816 if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) 829 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
817 { 830 {
818 unsigned int i; 831 unsigned int i;
819 832
820 for (i = 0; i < SLOT_COUNT; ++i) 833 for (i = 0; i < SLOT_COUNT; ++i)
821 CXINC; 834 CXINC;
826 c->mainstack = PL_mainstack; 839 c->mainstack = PL_mainstack;
827 840
828 { 841 {
829 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 842 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
830 843
831 slot->defav = GvAV (PL_defgv); 844#if CORO_JIT
832 slot->defsv = DEFSV; 845 save_perl_slots (slot);
833 slot->errsv = ERRSV; 846#else
834 slot->irsgv = GvSV (irsgv);
835 slot->hinthv = GvHV (PL_hintgv);
836
837 #define VAR(name,type) slot->name = PL_ ## name; 847 #define VARx(name,expr,type) slot->name = expr;
838 # include "state.h" 848 # include "state.h"
839 #undef VAR 849 #undef VARx
850#endif
840 } 851 }
841} 852}
842 853
843/* 854/*
844 * allocate various perl stacks. This is almost an exact copy 855 * allocate various perl stacks. This is almost an exact copy
875#endif 886#endif
876 887
877 New(54,PL_scopestack,8,I32); 888 New(54,PL_scopestack,8,I32);
878 PL_scopestack_ix = 0; 889 PL_scopestack_ix = 0;
879 PL_scopestack_max = 8; 890 PL_scopestack_max = 8;
891#if HAS_SCOPESTACK_NAME
892 New(54,PL_scopestack_name,8,const char*);
893#endif
880 894
881 New(54,PL_savestack,24,ANY); 895 New(54,PL_savestack,24,ANY);
882 PL_savestack_ix = 0; 896 PL_savestack_ix = 0;
883 PL_savestack_max = 24; 897 PL_savestack_max = 24;
884 898
912 } 926 }
913 927
914 Safefree (PL_tmps_stack); 928 Safefree (PL_tmps_stack);
915 Safefree (PL_markstack); 929 Safefree (PL_markstack);
916 Safefree (PL_scopestack); 930 Safefree (PL_scopestack);
931#if HAS_SCOPESTACK_NAME
932 Safefree (PL_scopestack_name);
933#endif
917 Safefree (PL_savestack); 934 Safefree (PL_savestack);
918#if !PERL_VERSION_ATLEAST (5,10,0) 935#if !PERL_VERSION_ATLEAST (5,10,0)
919 Safefree (PL_retstack); 936 Safefree (PL_retstack);
920#endif 937#endif
921} 938}
970 * This overrides the default magic get method of %SIG elements. 987 * This overrides the default magic get method of %SIG elements.
971 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 988 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
972 * and instead of trying to save and restore the hash elements (extremely slow), 989 * and instead of trying to save and restore the hash elements (extremely slow),
973 * we just provide our own readback here. 990 * we just provide our own readback here.
974 */ 991 */
975static int 992static int ecb_cold
976coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 993coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
977{ 994{
978 const char *s = MgPV_nolen_const (mg); 995 const char *s = MgPV_nolen_const (mg);
979 996
980 if (*s == '_') 997 if (*s == '_')
984 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1001 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
985 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1002 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
986 1003
987 if (svp) 1004 if (svp)
988 { 1005 {
989 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1006 SV *ssv;
1007
1008 if (!*svp)
1009 ssv = &PL_sv_undef;
1010 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1011 ssv = sv_2mortal (newRV_inc (*svp));
1012 else
1013 ssv = *svp;
1014
1015 sv_setsv (sv, ssv);
990 return 0; 1016 return 0;
991 } 1017 }
992 } 1018 }
993 1019
994 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1020 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
995} 1021}
996 1022
997static int 1023static int ecb_cold
998coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) 1024coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
999{ 1025{
1000 const char *s = MgPV_nolen_const (mg); 1026 const char *s = MgPV_nolen_const (mg);
1001 1027
1002 if (*s == '_') 1028 if (*s == '_')
1016 } 1042 }
1017 1043
1018 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; 1044 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
1019} 1045}
1020 1046
1021static int 1047static int ecb_cold
1022coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 1048coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
1023{ 1049{
1024 const char *s = MgPV_nolen_const (mg); 1050 const char *s = MgPV_nolen_const (mg);
1025 1051
1026 if (*s == '_') 1052 if (*s == '_')
1061 return 1; 1087 return 1;
1062} 1088}
1063 1089
1064static UNOP init_perl_op; 1090static UNOP init_perl_op;
1065 1091
1066static void NOINLINE /* noinline to keep it out of the transfer fast path */ 1092ecb_noinline static void /* noinline to keep it out of the transfer fast path */
1067init_perl (pTHX_ struct coro *coro) 1093init_perl (pTHX_ struct coro *coro)
1068{ 1094{
1069 /* 1095 /*
1070 * emulate part of the perl startup here. 1096 * emulate part of the perl startup here.
1071 */ 1097 */
1133 /* copy throw, in case it was set before init_perl */ 1159 /* copy throw, in case it was set before init_perl */
1134 CORO_THROW = coro->except; 1160 CORO_THROW = coro->except;
1135 1161
1136 SWAP_SVS (coro); 1162 SWAP_SVS (coro);
1137 1163
1138 if (expect_false (enable_times)) 1164 if (ecb_expect_false (enable_times))
1139 { 1165 {
1140 coro_times_update (); 1166 coro_times_update ();
1141 coro_times_sub (coro); 1167 coro_times_sub (coro);
1142 } 1168 }
1143} 1169}
1186 /* restore swapped sv's */ 1212 /* restore swapped sv's */
1187 SWAP_SVS (coro); 1213 SWAP_SVS (coro);
1188 1214
1189 coro_destruct_stacks (aTHX); 1215 coro_destruct_stacks (aTHX);
1190 1216
1191 // now save some sv's to be free'd later 1217 /* now save some sv's to be free'd later */
1192 svf [0] = GvSV (PL_defgv); 1218 svf [0] = GvSV (PL_defgv);
1193 svf [1] = (SV *)GvAV (PL_defgv); 1219 svf [1] = (SV *)GvAV (PL_defgv);
1194 svf [2] = GvSV (PL_errgv); 1220 svf [2] = GvSV (PL_errgv);
1195 svf [3] = (SV *)PL_defoutgv; 1221 svf [3] = (SV *)PL_defoutgv;
1196 svf [4] = PL_rs; 1222 svf [4] = PL_rs;
1216 SvREFCNT_dec (coro->invoke_cb); 1242 SvREFCNT_dec (coro->invoke_cb);
1217 SvREFCNT_dec (coro->invoke_av); 1243 SvREFCNT_dec (coro->invoke_av);
1218 } 1244 }
1219} 1245}
1220 1246
1221INLINE void 1247ecb_inline void
1222free_coro_mortal (pTHX) 1248free_coro_mortal (pTHX)
1223{ 1249{
1224 if (expect_true (coro_mortal)) 1250 if (ecb_expect_true (coro_mortal))
1225 { 1251 {
1226 SvREFCNT_dec ((SV *)coro_mortal); 1252 SvREFCNT_dec ((SV *)coro_mortal);
1227 coro_mortal = 0; 1253 coro_mortal = 0;
1228 } 1254 }
1229} 1255}
1364 1390
1365 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ 1391 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1366} 1392}
1367 1393
1368/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ 1394/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1369static void NOINLINE 1395static void ecb_noinline
1370cctx_prepare (pTHX) 1396cctx_prepare (pTHX)
1371{ 1397{
1372 PL_top_env = &PL_start_env; 1398 PL_top_env = &PL_start_env;
1373 1399
1374 if (cctx_current->flags & CC_TRACE) 1400 if (cctx_current->flags & CC_TRACE)
1384 1410
1385 slf_frame.prepare = slf_prepare_set_stacklevel; 1411 slf_frame.prepare = slf_prepare_set_stacklevel;
1386 slf_frame.check = slf_check_set_stacklevel; 1412 slf_frame.check = slf_check_set_stacklevel;
1387} 1413}
1388 1414
1415/* try to exit the same way perl's main function would do */
1416/* we do not bother resetting the environment or other things *7
1417/* that are not, uhm, essential */
1418/* this obviously also doesn't work when perl is embedded */
1419static void ecb_noinline ecb_cold
1420perlish_exit (void)
1421{
1422 int exitstatus = perl_destruct (PL_curinterp);
1423 perl_free (PL_curinterp);
1424 exit (exitstatus);
1425}
1426
1389/* the tail of transfer: execute stuff we can only do after a transfer */ 1427/* the tail of transfer: execute stuff we can only do after a transfer */
1390INLINE void 1428ecb_inline void
1391transfer_tail (pTHX) 1429transfer_tail (pTHX)
1392{ 1430{
1393 free_coro_mortal (aTHX); 1431 free_coro_mortal (aTHX);
1394} 1432}
1395 1433
1427 */ 1465 */
1428 1466
1429 /* 1467 /*
1430 * If perl-run returns we assume exit() was being called or the coro 1468 * 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) 1469 * 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 1470 * 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" 1471 * 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 */ 1472 */
1438 PL_top_env = main_top_env; 1473 perlish_exit ();
1439 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1440 } 1474 }
1441} 1475}
1442 1476
1443static coro_cctx * 1477static coro_cctx *
1444cctx_new () 1478cctx_new (void)
1445{ 1479{
1446 coro_cctx *cctx; 1480 coro_cctx *cctx;
1447 1481
1448 ++cctx_count; 1482 ++cctx_count;
1449 New (0, cctx, 1, coro_cctx); 1483 New (0, cctx, 1, coro_cctx);
1455 return cctx; 1489 return cctx;
1456} 1490}
1457 1491
1458/* create a new cctx only suitable as source */ 1492/* create a new cctx only suitable as source */
1459static coro_cctx * 1493static coro_cctx *
1460cctx_new_empty () 1494cctx_new_empty (void)
1461{ 1495{
1462 coro_cctx *cctx = cctx_new (); 1496 coro_cctx *cctx = cctx_new ();
1463 1497
1464 cctx->sptr = 0; 1498 cctx->sptr = 0;
1465 coro_create (&cctx->cctx, 0, 0, 0, 0); 1499 coro_create (&cctx->cctx, 0, 0, 0, 0);
1467 return cctx; 1501 return cctx;
1468} 1502}
1469 1503
1470/* create a new cctx suitable as destination/running a perl interpreter */ 1504/* create a new cctx suitable as destination/running a perl interpreter */
1471static coro_cctx * 1505static coro_cctx *
1472cctx_new_run () 1506cctx_new_run (void)
1473{ 1507{
1474 coro_cctx *cctx = cctx_new (); 1508 coro_cctx *cctx = cctx_new ();
1475 void *stack_start; 1509 void *stack_start;
1476 size_t stack_size; 1510 size_t stack_size;
1477 1511
1478#if HAVE_MMAP 1512#if HAVE_MMAP
1479 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1513 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1480 /* mmap supposedly does allocate-on-write for us */ 1514 /* 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); 1515 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0);
1482 1516
1483 if (cctx->sptr != (void *)-1) 1517 if (cctx->sptr != (void *)-1)
1484 { 1518 {
1485 #if CORO_STACKGUARD 1519 #if CORO_STACKGUARD
1486 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 1520 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1547#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) 1581#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1548 1582
1549static coro_cctx * 1583static coro_cctx *
1550cctx_get (pTHX) 1584cctx_get (pTHX)
1551{ 1585{
1552 while (expect_true (cctx_first)) 1586 while (ecb_expect_true (cctx_first))
1553 { 1587 {
1554 coro_cctx *cctx = cctx_first; 1588 coro_cctx *cctx = cctx_first;
1555 cctx_first = cctx->next; 1589 cctx_first = cctx->next;
1556 --cctx_idle; 1590 --cctx_idle;
1557 1591
1558 if (expect_true (!CCTX_EXPIRED (cctx))) 1592 if (ecb_expect_true (!CCTX_EXPIRED (cctx)))
1559 return cctx; 1593 return cctx;
1560 1594
1561 cctx_destroy (cctx); 1595 cctx_destroy (cctx);
1562 } 1596 }
1563 1597
1568cctx_put (coro_cctx *cctx) 1602cctx_put (coro_cctx *cctx)
1569{ 1603{
1570 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1604 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr));
1571 1605
1572 /* free another cctx if overlimit */ 1606 /* free another cctx if overlimit */
1573 if (expect_false (cctx_idle >= cctx_max_idle)) 1607 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1574 { 1608 {
1575 coro_cctx *first = cctx_first; 1609 coro_cctx *first = cctx_first;
1576 cctx_first = first->next; 1610 cctx_first = first->next;
1577 --cctx_idle; 1611 --cctx_idle;
1578 1612
1589static void 1623static void
1590transfer_check (pTHX_ struct coro *prev, struct coro *next) 1624transfer_check (pTHX_ struct coro *prev, struct coro *next)
1591{ 1625{
1592 /* TODO: throwing up here is considered harmful */ 1626 /* TODO: throwing up here is considered harmful */
1593 1627
1594 if (expect_true (prev != next)) 1628 if (ecb_expect_true (prev != next))
1595 { 1629 {
1596 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1630 if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1597 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); 1631 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1598 1632
1599 if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) 1633 if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED)))
1600 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); 1634 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1601 1635
1602#if !PERL_VERSION_ATLEAST (5,10,0) 1636#if !PERL_VERSION_ATLEAST (5,10,0)
1603 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1637 if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING))
1604 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1638 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1605#endif 1639#endif
1606 } 1640 }
1607} 1641}
1608 1642
1609/* always use the TRANSFER macro */ 1643/* always use the TRANSFER macro */
1610static void NOINLINE /* noinline so we have a fixed stackframe */ 1644static void ecb_noinline /* noinline so we have a fixed stackframe */
1611transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1645transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1612{ 1646{
1613 dSTACKLEVEL; 1647 dSTACKLEVEL;
1614 1648
1615 /* sometimes transfer is only called to set idle_sp */ 1649 /* sometimes transfer is only called to set idle_sp */
1616 if (expect_false (!prev)) 1650 if (ecb_expect_false (!prev))
1617 { 1651 {
1618 cctx_current->idle_sp = STACKLEVEL; 1652 cctx_current->idle_sp = STACKLEVEL;
1619 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1653 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1620 } 1654 }
1621 else if (expect_true (prev != next)) 1655 else if (ecb_expect_true (prev != next))
1622 { 1656 {
1623 coro_cctx *cctx_prev; 1657 coro_cctx *cctx_prev;
1624 1658
1625 if (expect_false (prev->flags & CF_NEW)) 1659 if (ecb_expect_false (prev->flags & CF_NEW))
1626 { 1660 {
1627 /* create a new empty/source context */ 1661 /* create a new empty/source context */
1628 prev->flags &= ~CF_NEW; 1662 prev->flags &= ~CF_NEW;
1629 prev->flags |= CF_RUNNING; 1663 prev->flags |= CF_RUNNING;
1630 } 1664 }
1633 next->flags |= CF_RUNNING; 1667 next->flags |= CF_RUNNING;
1634 1668
1635 /* first get rid of the old state */ 1669 /* first get rid of the old state */
1636 save_perl (aTHX_ prev); 1670 save_perl (aTHX_ prev);
1637 1671
1638 if (expect_false (next->flags & CF_NEW)) 1672 if (ecb_expect_false (next->flags & CF_NEW))
1639 { 1673 {
1640 /* need to start coroutine */ 1674 /* need to start coroutine */
1641 next->flags &= ~CF_NEW; 1675 next->flags &= ~CF_NEW;
1642 /* setup coroutine call */ 1676 /* setup coroutine call */
1643 init_perl (aTHX_ next); 1677 init_perl (aTHX_ next);
1644 } 1678 }
1645 else 1679 else
1646 load_perl (aTHX_ next); 1680 load_perl (aTHX_ next);
1647 1681
1648 /* possibly untie and reuse the cctx */ 1682 /* possibly untie and reuse the cctx */
1649 if (expect_true ( 1683 if (ecb_expect_true (
1650 cctx_current->idle_sp == STACKLEVEL 1684 cctx_current->idle_sp == STACKLEVEL
1651 && !(cctx_current->flags & CC_TRACE) 1685 && !(cctx_current->flags & CC_TRACE)
1652 && !force_cctx 1686 && !force_cctx
1653 )) 1687 ))
1654 { 1688 {
1655 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1689 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1656 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); 1690 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1657 1691
1658 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ 1692 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1659 /* without this the next cctx_get might destroy the running cctx while still in use */ 1693 /* without this the next cctx_get might destroy the running cctx while still in use */
1660 if (expect_false (CCTX_EXPIRED (cctx_current))) 1694 if (ecb_expect_false (CCTX_EXPIRED (cctx_current)))
1661 if (expect_true (!next->cctx)) 1695 if (ecb_expect_true (!next->cctx))
1662 next->cctx = cctx_get (aTHX); 1696 next->cctx = cctx_get (aTHX);
1663 1697
1664 cctx_put (cctx_current); 1698 cctx_put (cctx_current);
1665 } 1699 }
1666 else 1700 else
1667 prev->cctx = cctx_current; 1701 prev->cctx = cctx_current;
1668 1702
1669 ++next->usecount; 1703 ++next->usecount;
1670 1704
1671 cctx_prev = cctx_current; 1705 cctx_prev = cctx_current;
1672 cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); 1706 cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1673 1707
1674 next->cctx = 0; 1708 next->cctx = 0;
1675 1709
1676 if (expect_false (cctx_prev != cctx_current)) 1710 if (ecb_expect_false (cctx_prev != cctx_current))
1677 { 1711 {
1678 cctx_prev->top_env = PL_top_env; 1712 cctx_prev->top_env = PL_top_env;
1679 PL_top_env = cctx_current->top_env; 1713 PL_top_env = cctx_current->top_env;
1680 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); 1714 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1681 } 1715 }
1747 Safefree (coro); 1781 Safefree (coro);
1748 1782
1749 return 0; 1783 return 0;
1750} 1784}
1751 1785
1752static int 1786static int ecb_cold
1753coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) 1787coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)
1754{ 1788{
1755 /* called when perl clones the current process the slow way (windows process emulation) */ 1789 /* called when perl clones the current process the slow way (windows process emulation) */
1756 /* WE SIMply nuke the pointers in the copy, causing perl to croak */ 1790 /* WE SIMply nuke the pointers in the copy, causing perl to croak */
1757 mg->mg_ptr = 0; 1791 mg->mg_ptr = 0;
1788 TRANSFER (ta, 1); 1822 TRANSFER (ta, 1);
1789} 1823}
1790 1824
1791/** Coro ********************************************************************/ 1825/** Coro ********************************************************************/
1792 1826
1793INLINE void 1827ecb_inline void
1794coro_enq (pTHX_ struct coro *coro) 1828coro_enq (pTHX_ struct coro *coro)
1795{ 1829{
1796 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1830 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1797 1831
1798 SvREFCNT_inc_NN (coro->hv); 1832 SvREFCNT_inc_NN (coro->hv);
1800 coro->next_ready = 0; 1834 coro->next_ready = 0;
1801 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1835 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1802 ready [1] = coro; 1836 ready [1] = coro;
1803} 1837}
1804 1838
1805INLINE struct coro * 1839ecb_inline struct coro *
1806coro_deq (pTHX) 1840coro_deq (pTHX)
1807{ 1841{
1808 int prio; 1842 int prio;
1809 1843
1810 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1844 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1863{ 1897{
1864 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1898 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1865} 1899}
1866 1900
1867/* expects to own a reference to next->hv */ 1901/* expects to own a reference to next->hv */
1868INLINE void 1902ecb_inline void
1869prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1903prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1870{ 1904{
1871 SV *prev_sv = SvRV (coro_current); 1905 SV *prev_sv = SvRV (coro_current);
1872 1906
1873 ta->prev = SvSTATE_hv (prev_sv); 1907 ta->prev = SvSTATE_hv (prev_sv);
1886{ 1920{
1887 for (;;) 1921 for (;;)
1888 { 1922 {
1889 struct coro *next = coro_deq (aTHX); 1923 struct coro *next = coro_deq (aTHX);
1890 1924
1891 if (expect_true (next)) 1925 if (ecb_expect_true (next))
1892 { 1926 {
1893 /* cannot transfer to destroyed coros, skip and look for next */ 1927 /* cannot transfer to destroyed coros, skip and look for next */
1894 if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) 1928 if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED)))
1895 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ 1929 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1896 else 1930 else
1897 { 1931 {
1898 next->flags &= ~CF_READY; 1932 next->flags &= ~CF_READY;
1899 --coro_nready; 1933 --coro_nready;
1932 } 1966 }
1933 } 1967 }
1934 } 1968 }
1935} 1969}
1936 1970
1937INLINE void 1971ecb_inline void
1938prepare_cede (pTHX_ struct coro_transfer_args *ta) 1972prepare_cede (pTHX_ struct coro_transfer_args *ta)
1939{ 1973{
1940 api_ready (aTHX_ coro_current); 1974 api_ready (aTHX_ coro_current);
1941 prepare_schedule (aTHX_ ta); 1975 prepare_schedule (aTHX_ ta);
1942} 1976}
1943 1977
1944INLINE void 1978ecb_inline void
1945prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1979prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1946{ 1980{
1947 SV *prev = SvRV (coro_current); 1981 SV *prev = SvRV (coro_current);
1948 1982
1949 if (coro_nready) 1983 if (coro_nready)
1979{ 2013{
1980 struct coro_transfer_args ta; 2014 struct coro_transfer_args ta;
1981 2015
1982 prepare_cede (aTHX_ &ta); 2016 prepare_cede (aTHX_ &ta);
1983 2017
1984 if (expect_true (ta.prev != ta.next)) 2018 if (ecb_expect_true (ta.prev != ta.next))
1985 { 2019 {
1986 TRANSFER (ta, 1); 2020 TRANSFER (ta, 1);
1987 return 1; 2021 return 1;
1988 } 2022 }
1989 else 2023 else
2202 coro = SvSTATE (arg [0]); 2236 coro = SvSTATE (arg [0]);
2203 coro_hv = coro->hv; 2237 coro_hv = coro->hv;
2204 2238
2205 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2239 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2206 2240
2207 if (expect_false (coro->flags & CF_NOCANCEL)) 2241 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2208 { 2242 {
2209 /* coro currently busy cancelling something, so just notify it */ 2243 /* coro currently busy cancelling something, so just notify it */
2210 coro->slf_frame.data = (void *)coro; 2244 coro->slf_frame.data = (void *)coro;
2211 2245
2212 frame->prepare = prepare_nop; 2246 frame->prepare = prepare_nop;
2320slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2354slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2321{ 2355{
2322 HV *hv = (HV *)SvRV (coro_current); 2356 HV *hv = (HV *)SvRV (coro_current);
2323 struct coro *coro = SvSTATE_hv ((SV *)hv); 2357 struct coro *coro = SvSTATE_hv ((SV *)hv);
2324 2358
2325 if (expect_true (coro->saved_deffh)) 2359 if (ecb_expect_true (coro->saved_deffh))
2326 { 2360 {
2327 /* subsequent iteration */ 2361 /* subsequent iteration */
2328 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2362 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2329 coro->saved_deffh = 0; 2363 coro->saved_deffh = 0;
2330 2364
2596 I32 checkmark; /* mark SP to see how many elements check has pushed */ 2630 I32 checkmark; /* mark SP to see how many elements check has pushed */
2597 2631
2598 /* set up the slf frame, unless it has already been set-up */ 2632 /* set up the slf frame, unless it has already been set-up */
2599 /* the latter happens when a new coro has been started */ 2633 /* the latter happens when a new coro has been started */
2600 /* or when a new cctx was attached to an existing coroutine */ 2634 /* or when a new cctx was attached to an existing coroutine */
2601 if (expect_true (!slf_frame.prepare)) 2635 if (ecb_expect_true (!slf_frame.prepare))
2602 { 2636 {
2603 /* first iteration */ 2637 /* first iteration */
2604 dSP; 2638 dSP;
2605 SV **arg = PL_stack_base + TOPMARK + 1; 2639 SV **arg = PL_stack_base + TOPMARK + 1;
2606 int items = SP - arg; /* args without function object */ 2640 int items = SP - arg; /* args without function object */
2647 while (slf_frame.check (aTHX_ &slf_frame)); 2681 while (slf_frame.check (aTHX_ &slf_frame));
2648 2682
2649 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ 2683 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
2650 2684
2651 /* exception handling */ 2685 /* exception handling */
2652 if (expect_false (CORO_THROW)) 2686 if (ecb_expect_false (CORO_THROW))
2653 { 2687 {
2654 SV *exception = sv_2mortal (CORO_THROW); 2688 SV *exception = sv_2mortal (CORO_THROW);
2655 2689
2656 CORO_THROW = 0; 2690 CORO_THROW = 0;
2657 sv_setsv (ERRSV, exception); 2691 sv_setsv (ERRSV, exception);
2659 } 2693 }
2660 2694
2661 /* return value handling - mostly like entersub */ 2695 /* return value handling - mostly like entersub */
2662 /* make sure we put something on the stack in scalar context */ 2696 /* make sure we put something on the stack in scalar context */
2663 if (GIMME_V == G_SCALAR 2697 if (GIMME_V == G_SCALAR
2664 && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) 2698 && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1))
2665 { 2699 {
2666 dSP; 2700 dSP;
2667 SV **bot = PL_stack_base + checkmark; 2701 SV **bot = PL_stack_base + checkmark;
2668 2702
2669 if (sp == bot) /* too few, push undef */ 2703 if (sp == bot) /* too few, push undef */
2783{ 2817{
2784 PerlIOBuf base; 2818 PerlIOBuf base;
2785 NV next, every; 2819 NV next, every;
2786} PerlIOCede; 2820} PerlIOCede;
2787 2821
2788static IV 2822static IV ecb_cold
2789PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) 2823PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
2790{ 2824{
2791 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2825 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2792 2826
2793 self->every = SvCUR (arg) ? SvNV (arg) : 0.01; 2827 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
2794 self->next = nvtime () + self->every; 2828 self->next = nvtime () + self->every;
2795 2829
2796 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); 2830 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
2797} 2831}
2798 2832
2799static SV * 2833static SV * ecb_cold
2800PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) 2834PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
2801{ 2835{
2802 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2836 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2803 2837
2804 return newSVnv (self->every); 2838 return newSVnv (self->every);
2949 { 2983 {
2950 int i; 2984 int i;
2951 /* if we were woken up but can't down, we look through the whole */ 2985 /* 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 */ 2986 /* waiters list and only add us if we aren't in there already */
2953 /* this avoids some degenerate memory usage cases */ 2987 /* this avoids some degenerate memory usage cases */
2954 for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug 2988 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2955 if (AvARRAY (av)[i] == coro_hv) 2989 if (AvARRAY (av)[i] == coro_hv)
2956 return 1; 2990 return 1;
2957 2991
2958 av_push (av, SvREFCNT_inc (coro_hv)); 2992 av_push (av, SvREFCNT_inc (coro_hv));
2959 return 1; 2993 return 1;
3216 dSP; 3250 dSP;
3217 3251
3218 static SV *prio_cv; 3252 static SV *prio_cv;
3219 static SV *prio_sv; 3253 static SV *prio_sv;
3220 3254
3221 if (expect_false (!prio_cv)) 3255 if (ecb_expect_false (!prio_cv))
3222 { 3256 {
3223 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); 3257 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0);
3224 prio_sv = newSViv (0); 3258 prio_sv = newSViv (0);
3225 } 3259 }
3226 3260
3332 } 3366 }
3333 3367
3334 return coro_sv; 3368 return coro_sv;
3335} 3369}
3336 3370
3371#ifndef __cplusplus
3372ecb_cold XS(boot_Coro__State);
3373#endif
3374
3375#if CORO_JIT
3376
3377static void ecb_noinline ecb_cold
3378pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3379{
3380 dSP;
3381 AV *av = newAV ();
3382
3383 av_store (av, 3, newSVuv (d));
3384 av_store (av, 2, newSVuv (c));
3385 av_store (av, 1, newSVuv (b));
3386 av_store (av, 0, newSVuv (a));
3387
3388 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
3389
3390 PUTBACK;
3391}
3392
3393static void ecb_noinline ecb_cold
3394jit_init (pTHX)
3395{
3396 dSP;
3397 SV *load, *save;
3398 char *map_base;
3399 char *load_ptr, *save_ptr;
3400 STRLEN load_len, save_len, map_len;
3401 int count;
3402
3403 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3404
3405 PUSHMARK (SP);
3406#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3407# include "state.h"
3408#undef VARx
3409 count = call_pv ("Coro::State::_jit", G_ARRAY);
3410 SPAGAIN;
3411
3412 save = POPs; save_ptr = SvPVbyte (save, save_len);
3413 load = POPs; load_ptr = SvPVbyte (load, load_len);
3414
3415 map_len = load_len + save_len + 16;
3416
3417 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3418
3419 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3420
3421 load_perl_slots = (load_save_perl_slots_type)map_base;
3422 memcpy (map_base, load_ptr, load_len);
3423
3424 map_base += (load_len + 15) & ~15;
3425
3426 save_perl_slots = (load_save_perl_slots_type)map_base;
3427 memcpy (map_base, save_ptr, save_len);
3428
3429 /* we are good citizens and try to make the page read-only, so the evil evil */
3430 /* hackers might have it a bit more difficult */
3431 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3432
3433 PUTBACK;
3434 eval_pv ("undef &Coro::State::_jit", 1);
3435}
3436
3437#endif
3438
3337MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3439MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
3338 3440
3339PROTOTYPES: DISABLE 3441PROTOTYPES: DISABLE
3340 3442
3341BOOT: 3443BOOT:
3344# if CORO_PTHREAD 3446# if CORO_PTHREAD
3345 coro_thx = PERL_GET_CONTEXT; 3447 coro_thx = PERL_GET_CONTEXT;
3346# endif 3448# endif
3347#endif 3449#endif
3348 BOOT_PAGESIZE; 3450 BOOT_PAGESIZE;
3451
3452 /* perl defines these to check for existance first, but why it doesn't */
3453 /* just create them one at init time is not clear to me, except for */
3454 /* programs trying to delete them, but... */
3455 /* anyway, we declare this as invalid and make sure they are initialised here */
3456 DEFSV;
3457 ERRSV;
3349 3458
3350 cctx_current = cctx_new_empty (); 3459 cctx_current = cctx_new_empty ();
3351 3460
3352 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 3461 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
3353 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 3462 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
3396 coroapi.prepare_cede_notself = prepare_cede_notself; 3505 coroapi.prepare_cede_notself = prepare_cede_notself;
3397 3506
3398 time_init (aTHX); 3507 time_init (aTHX);
3399 3508
3400 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3509 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3510#if CORO_JIT
3511 PUTBACK;
3512 jit_init (aTHX);
3513 SPAGAIN;
3514#endif
3401} 3515}
3402 3516
3403SV * 3517SV *
3404new (SV *klass, ...) 3518new (SV *klass, ...)
3405 ALIAS: 3519 ALIAS:
3653times (Coro::State self) 3767times (Coro::State self)
3654 PPCODE: 3768 PPCODE:
3655{ 3769{
3656 struct coro *current = SvSTATE (coro_current); 3770 struct coro *current = SvSTATE (coro_current);
3657 3771
3658 if (expect_false (current == self)) 3772 if (ecb_expect_false (current == self))
3659 { 3773 {
3660 coro_times_update (); 3774 coro_times_update ();
3661 coro_times_add (SvSTATE (coro_current)); 3775 coro_times_add (SvSTATE (coro_current));
3662 } 3776 }
3663 3777
3664 EXTEND (SP, 2); 3778 EXTEND (SP, 2);
3665 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); 3779 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3666 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); 3780 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3667 3781
3668 if (expect_false (current == self)) 3782 if (ecb_expect_false (current == self))
3669 coro_times_sub (SvSTATE (coro_current)); 3783 coro_times_sub (SvSTATE (coro_current));
3670} 3784}
3671 3785
3672void 3786void
3673swap_sv (Coro::State coro, SV *sv, SV *swapsv) 3787swap_sv (Coro::State coro, SV *sv, SV *swapsv)
4055} 4169}
4056 4170
4057MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4171MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
4058 4172
4059void 4173void
4060_may_delete (SV *sem, int count, int extra_refs) 4174_may_delete (SV *sem, int count, unsigned int extra_refs)
4061 PPCODE: 4175 PPCODE:
4062{ 4176{
4063 AV *av = (AV *)SvRV (sem); 4177 AV *av = (AV *)SvRV (sem);
4064 4178
4065 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4179 if (SvREFCNT ((SV *)av) == 1 + extra_refs

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