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" |
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17 | |
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18 | #define ECB_NO_THREADS 1 |
17 | #include "ecb.h" |
19 | #include "ecb.h" |
18 | |
20 | |
19 | #include <stddef.h> |
21 | #include <stddef.h> |
20 | #include <stdio.h> |
22 | #include <stdio.h> |
21 | #include <errno.h> |
23 | #include <errno.h> |
22 | #include <assert.h> |
24 | #include <assert.h> |
23 | |
25 | |
24 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
26 | #endif |
45 | #endif |
27 | |
46 | |
28 | #if defined(_WIN32) |
47 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
48 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
49 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
53 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
55 | #endif |
37 | |
56 | |
38 | #if HAVE_MMAP |
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39 | # include <unistd.h> |
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40 | # include <sys/mman.h> |
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41 | # ifndef MAP_ANONYMOUS |
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42 | # ifdef MAP_ANON |
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43 | # define MAP_ANONYMOUS MAP_ANON |
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44 | # else |
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45 | # undef HAVE_MMAP |
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46 | # endif |
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47 | # endif |
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48 | # include <limits.h> |
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49 | # ifndef PAGESIZE |
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50 | # define PAGESIZE pagesize |
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51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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52 | static long pagesize; |
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53 | # else |
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54 | # define BOOT_PAGESIZE (void)0 |
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55 | # endif |
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56 | #else |
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57 | # define PAGESIZE 0 |
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58 | # define BOOT_PAGESIZE (void)0 |
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59 | #endif |
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60 | |
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61 | #if CORO_USE_VALGRIND |
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62 | # include <valgrind/valgrind.h> |
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63 | #endif |
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64 | |
|
|
65 | /* the maximum number of idle cctx that will be pooled */ |
57 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
58 | static int cctx_max_idle = 4; |
67 | |
59 | |
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
60 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # define HAS_SCOPESTACK_NAME 1 |
61 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
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71 | |
|
|
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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73 | # undef CORO_STACKGUARD |
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74 | #endif |
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75 | |
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76 | #ifndef CORO_STACKGUARD |
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77 | # define CORO_STACKGUARD 0 |
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78 | #endif |
62 | #endif |
79 | |
63 | |
80 | /* prefer perl internal functions over our own? */ |
64 | /* prefer perl internal functions over our own? */ |
81 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
82 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
173 | typedef struct coro_cctx |
157 | typedef struct coro_cctx |
174 | { |
158 | { |
175 | struct coro_cctx *next; |
159 | struct coro_cctx *next; |
176 | |
160 | |
177 | /* the stack */ |
161 | /* the stack */ |
178 | void *sptr; |
162 | struct coro_stack stack; |
179 | size_t ssize; |
|
|
180 | |
163 | |
181 | /* cpu state */ |
164 | /* cpu state */ |
182 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
183 | #ifndef NDEBUG |
166 | #ifndef NDEBUG |
184 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
167 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
… | |
… | |
293 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
294 | |
277 | |
295 | /** JIT *********************************************************************/ |
278 | /** JIT *********************************************************************/ |
296 | |
279 | |
297 | #if CORO_JIT |
280 | #if CORO_JIT |
298 | /* APPLE doesn't have HAVE_MMAP though */ |
281 | /* APPLE doesn't have mmap though */ |
299 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
282 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
300 | #ifndef CORO_JIT_TYPE |
283 | #ifndef CORO_JIT_TYPE |
301 | #if __x86_64 && CORO_JIT_UNIXY |
284 | #if ECB_AMD64 && CORO_JIT_UNIXY |
302 | #define CORO_JIT_TYPE "amd64-unix" |
285 | #define CORO_JIT_TYPE "amd64-unix" |
303 | #elif __i386 && CORO_JIT_UNIXY |
286 | #elif __i386 && CORO_JIT_UNIXY |
304 | #define CORO_JIT_TYPE "x86-unix" |
287 | #define CORO_JIT_TYPE "x86-unix" |
305 | #endif |
288 | #endif |
306 | #endif |
289 | #endif |
307 | #endif |
290 | #endif |
308 | |
291 | |
309 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
292 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
310 | #undef CORO_JIT |
293 | #undef CORO_JIT |
311 | #endif |
294 | #endif |
312 | |
295 | |
313 | #if CORO_JIT |
296 | #if CORO_JIT |
314 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
297 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
… | |
… | |
371 | time_init (pTHX) |
354 | time_init (pTHX) |
372 | { |
355 | { |
373 | SV **svp; |
356 | SV **svp; |
374 | |
357 | |
375 | require_pv ("Time/HiRes.pm"); |
358 | require_pv ("Time/HiRes.pm"); |
376 | |
359 | |
377 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
378 | |
361 | |
379 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
380 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
381 | |
364 | |
… | |
… | |
522 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
523 | |
506 | |
524 | /*****************************************************************************/ |
507 | /*****************************************************************************/ |
525 | /* padlist management and caching */ |
508 | /* padlist management and caching */ |
526 | |
509 | |
527 | ecb_inline AV * |
510 | ecb_inline PADLIST * |
528 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
529 | { |
512 | { |
530 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
531 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
|
|
515 | PAD *newpad; |
|
|
516 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
532 | |
517 | |
533 | newpadlist = newAV (); |
518 | newPADLIST(newpadlist); |
|
|
519 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
520 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
534 | AvREAL_off (newpadlist); |
521 | AvREAL_off (newpadlist); |
|
|
522 | #endif |
535 | #if PERL_VERSION_ATLEAST (5,10,0) |
523 | #if PERL_VERSION_ATLEAST (5,10,0) |
536 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
524 | Perl_pad_push (aTHX_ padlist, off); |
537 | #else |
525 | #else |
538 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
526 | Perl_pad_push (aTHX_ padlist, off, 1); |
539 | #endif |
527 | #endif |
540 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
528 | newpad = PadlistARRAY (padlist)[off]; |
541 | --AvFILLp (padlist); |
529 | PadlistMAX (padlist) = off - 1; |
542 | |
530 | |
543 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
531 | /* Already extended to 2 elements by newPADLIST. */ |
544 | av_store (newpadlist, 1, (SV *)newpad); |
532 | PadlistMAX (newpadlist) = 1; |
|
|
533 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
534 | PadlistARRAY (newpadlist)[1] = newpad; |
545 | |
535 | |
546 | return newpadlist; |
536 | return newpadlist; |
547 | } |
537 | } |
548 | |
538 | |
549 | ecb_inline void |
539 | ecb_inline void |
550 | free_padlist (pTHX_ AV *padlist) |
540 | free_padlist (pTHX_ PADLIST *padlist) |
551 | { |
541 | { |
552 | /* may be during global destruction */ |
542 | /* may be during global destruction */ |
553 | if (!IN_DESTRUCT) |
543 | if (!IN_DESTRUCT) |
554 | { |
544 | { |
555 | I32 i = AvFILLp (padlist); |
545 | I32 i = PadlistMAX (padlist); |
556 | |
546 | |
557 | while (i > 0) /* special-case index 0 */ |
547 | while (i > 0) /* special-case index 0 */ |
558 | { |
548 | { |
559 | /* we try to be extra-careful here */ |
549 | /* we try to be extra-careful here */ |
560 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
550 | PAD *pad = PadlistARRAY (padlist)[i--]; |
561 | I32 j = AvFILLp (av); |
551 | I32 j = PadMAX (pad); |
562 | |
552 | |
563 | while (j >= 0) |
553 | while (j >= 0) |
564 | SvREFCNT_dec (AvARRAY (av)[j--]); |
554 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
565 | |
555 | |
566 | AvFILLp (av) = -1; |
556 | PadMAX (pad) = -1; |
567 | SvREFCNT_dec (av); |
557 | SvREFCNT_dec (pad); |
568 | } |
558 | } |
569 | |
559 | |
570 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
560 | SvREFCNT_dec (PadlistNAMES (padlist)); |
571 | |
561 | |
|
|
562 | #ifdef NEWPADAPI |
|
|
563 | Safefree (PadlistARRAY (padlist)); |
|
|
564 | Safefree (padlist); |
|
|
565 | #else |
572 | AvFILLp (padlist) = -1; |
566 | AvFILLp (padlist) = -1; |
|
|
567 | AvREAL_off (padlist); |
573 | SvREFCNT_dec ((SV*)padlist); |
568 | SvREFCNT_dec ((SV*)padlist); |
|
|
569 | #endif |
574 | } |
570 | } |
575 | } |
571 | } |
576 | |
572 | |
577 | static int |
573 | static int |
578 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
574 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
579 | { |
575 | { |
580 | AV *padlist; |
576 | PADLIST *padlist; |
581 | AV *av = (AV *)mg->mg_obj; |
577 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
578 | size_t len = *(size_t *)mg->mg_ptr; |
582 | |
579 | |
583 | /* perl manages to free our internal AV and _then_ call us */ |
580 | /* perl manages to free our internal AV and _then_ call us */ |
584 | if (IN_DESTRUCT) |
581 | if (IN_DESTRUCT) |
585 | return 0; |
582 | return 0; |
586 | |
583 | |
587 | /* casting is fun. */ |
584 | while (len--) |
588 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
589 | free_padlist (aTHX_ padlist); |
585 | free_padlist (aTHX_ padlists[len]); |
590 | |
|
|
591 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
592 | |
586 | |
593 | return 0; |
587 | return 0; |
594 | } |
588 | } |
595 | |
589 | |
596 | static MGVTBL coro_cv_vtbl = { |
590 | static MGVTBL coro_cv_vtbl = { |
… | |
… | |
601 | /* the next two functions merely cache the padlists */ |
595 | /* the next two functions merely cache the padlists */ |
602 | ecb_inline void |
596 | ecb_inline void |
603 | get_padlist (pTHX_ CV *cv) |
597 | get_padlist (pTHX_ CV *cv) |
604 | { |
598 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
599 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
600 | size_t *lenp; |
607 | |
601 | |
608 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
602 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
609 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
603 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
610 | else |
604 | else |
611 | { |
605 | { |
612 | #if CORO_PREFER_PERL_FUNCTIONS |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
613 | /* this is probably cleaner? but also slower! */ |
607 | /* this is probably cleaner? but also slower! */ |
614 | /* in practise, it seems to be less stable */ |
608 | /* in practise, it seems to be less stable */ |
… | |
… | |
624 | |
618 | |
625 | ecb_inline void |
619 | ecb_inline void |
626 | put_padlist (pTHX_ CV *cv) |
620 | put_padlist (pTHX_ CV *cv) |
627 | { |
621 | { |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
622 | MAGIC *mg = CORO_MAGIC_cv (cv); |
629 | AV *av; |
|
|
630 | |
623 | |
631 | if (ecb_expect_false (!mg)) |
624 | if (ecb_expect_false (!mg)) |
|
|
625 | { |
632 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
626 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
627 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
628 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
629 | } |
|
|
630 | else |
|
|
631 | Renew (mg->mg_ptr, |
|
|
632 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
633 | char); |
633 | |
634 | |
634 | av = (AV *)mg->mg_obj; |
635 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
635 | |
|
|
636 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
637 | av_extend (av, AvFILLp (av) + 1); |
|
|
638 | |
|
|
639 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
640 | } |
636 | } |
641 | |
637 | |
642 | /** load & save, init *******************************************************/ |
638 | /** load & save, init *******************************************************/ |
643 | |
639 | |
644 | ecb_inline void |
640 | ecb_inline void |
… | |
… | |
719 | /* now do the ugly restore mess */ |
715 | /* now do the ugly restore mess */ |
720 | while (ecb_expect_true (cv = (CV *)POPs)) |
716 | while (ecb_expect_true (cv = (CV *)POPs)) |
721 | { |
717 | { |
722 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
718 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
723 | CvDEPTH (cv) = PTR2IV (POPs); |
719 | CvDEPTH (cv) = PTR2IV (POPs); |
724 | CvPADLIST (cv) = (AV *)POPs; |
720 | CvPADLIST (cv) = (PADLIST *)POPs; |
725 | } |
721 | } |
726 | |
722 | |
727 | PUTBACK; |
723 | PUTBACK; |
728 | } |
724 | } |
729 | |
725 | |
… | |
… | |
992 | { |
988 | { |
993 | SV **svp = 0; |
989 | SV **svp = 0; |
994 | |
990 | |
995 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
991 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
996 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
992 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
997 | |
993 | |
998 | if (svp) |
994 | if (svp) |
999 | { |
995 | { |
1000 | SV *ssv; |
996 | SV *ssv; |
1001 | |
997 | |
1002 | if (!*svp) |
998 | if (!*svp) |
… | |
… | |
1108 | PL_hints = 0; |
1104 | PL_hints = 0; |
1109 | |
1105 | |
1110 | /* recreate the die/warn hooks */ |
1106 | /* recreate the die/warn hooks */ |
1111 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1107 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1112 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1108 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1113 | |
1109 | |
1114 | GvSV (PL_defgv) = newSV (0); |
1110 | GvSV (PL_defgv) = newSV (0); |
1115 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1111 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1116 | GvSV (PL_errgv) = newSV (0); |
1112 | GvSV (PL_errgv) = newSV (0); |
1117 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1113 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1118 | GvHV (PL_hintgv) = 0; |
1114 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1416 | /* try to exit the same way perl's main function would do */ |
1412 | /* try to exit the same way perl's main function would do */ |
1417 | /* we do not bother resetting the environment or other things *7 |
1413 | /* we do not bother resetting the environment or other things *7 |
1418 | /* that are not, uhm, essential */ |
1414 | /* that are not, uhm, essential */ |
1419 | /* this obviously also doesn't work when perl is embedded */ |
1415 | /* this obviously also doesn't work when perl is embedded */ |
1420 | static void ecb_noinline ecb_cold |
1416 | static void ecb_noinline ecb_cold |
1421 | perlish_exit (void) |
1417 | perlish_exit (pTHX) |
1422 | { |
1418 | { |
1423 | int exitstatus = perl_destruct (PL_curinterp); |
1419 | int exitstatus = perl_destruct (PL_curinterp); |
1424 | perl_free (PL_curinterp); |
1420 | perl_free (PL_curinterp); |
1425 | exit (exitstatus); |
1421 | exit (exitstatus); |
1426 | } |
1422 | } |
… | |
… | |
1462 | * If perl-run returns we assume exit() was being called or the coro |
1458 | * If perl-run returns we assume exit() was being called or the coro |
1463 | * fell off the end, which seems to be the only valid (non-bug) |
1459 | * fell off the end, which seems to be the only valid (non-bug) |
1464 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1460 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1465 | * doing in that case. YMMV. |
1461 | * doing in that case. YMMV. |
1466 | */ |
1462 | */ |
1467 | perlish_exit (); |
1463 | perlish_exit (aTHX); |
1468 | } |
1464 | } |
1469 | } |
1465 | } |
1470 | |
1466 | |
1471 | static coro_cctx * |
1467 | static coro_cctx * |
1472 | cctx_new (void) |
1468 | cctx_new (void) |
… | |
… | |
1487 | static coro_cctx * |
1483 | static coro_cctx * |
1488 | cctx_new_empty (void) |
1484 | cctx_new_empty (void) |
1489 | { |
1485 | { |
1490 | coro_cctx *cctx = cctx_new (); |
1486 | coro_cctx *cctx = cctx_new (); |
1491 | |
1487 | |
1492 | cctx->sptr = 0; |
1488 | cctx->stack.sptr = 0; |
1493 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1489 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1494 | |
1490 | |
1495 | return cctx; |
1491 | return cctx; |
1496 | } |
1492 | } |
1497 | |
1493 | |
1498 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1494 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1499 | static coro_cctx * |
1495 | static coro_cctx * |
1500 | cctx_new_run (void) |
1496 | cctx_new_run (void) |
1501 | { |
1497 | { |
1502 | coro_cctx *cctx = cctx_new (); |
1498 | coro_cctx *cctx = cctx_new (); |
1503 | void *stack_start; |
|
|
1504 | size_t stack_size; |
|
|
1505 | |
1499 | |
1506 | #if HAVE_MMAP |
1500 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1507 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1508 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1509 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
|
|
1510 | |
|
|
1511 | if (cctx->sptr != (void *)-1) |
|
|
1512 | { |
|
|
1513 | #if CORO_STACKGUARD |
|
|
1514 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1515 | #endif |
|
|
1516 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1517 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1518 | cctx->flags |= CC_MAPPED; |
|
|
1519 | } |
1501 | { |
1520 | else |
|
|
1521 | #endif |
|
|
1522 | { |
|
|
1523 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1524 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1525 | |
|
|
1526 | if (!cctx->sptr) |
|
|
1527 | { |
|
|
1528 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1502 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1529 | _exit (EXIT_FAILURE); |
1503 | _exit (EXIT_FAILURE); |
1530 | } |
|
|
1531 | |
|
|
1532 | stack_start = cctx->sptr; |
|
|
1533 | stack_size = cctx->ssize; |
|
|
1534 | } |
1504 | } |
1535 | |
1505 | |
1536 | #if CORO_USE_VALGRIND |
|
|
1537 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1538 | #endif |
|
|
1539 | |
|
|
1540 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1506 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1541 | |
1507 | |
1542 | return cctx; |
1508 | return cctx; |
1543 | } |
1509 | } |
1544 | |
1510 | |
1545 | static void |
1511 | static void |
… | |
… | |
1551 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1517 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1552 | |
1518 | |
1553 | --cctx_count; |
1519 | --cctx_count; |
1554 | coro_destroy (&cctx->cctx); |
1520 | coro_destroy (&cctx->cctx); |
1555 | |
1521 | |
1556 | /* coro_transfer creates new, empty cctx's */ |
1522 | coro_stack_free (&cctx->stack); |
1557 | if (cctx->sptr) |
|
|
1558 | { |
|
|
1559 | #if CORO_USE_VALGRIND |
|
|
1560 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1561 | #endif |
|
|
1562 | |
|
|
1563 | #if HAVE_MMAP |
|
|
1564 | if (cctx->flags & CC_MAPPED) |
|
|
1565 | munmap (cctx->sptr, cctx->ssize); |
|
|
1566 | else |
|
|
1567 | #endif |
|
|
1568 | Safefree (cctx->sptr); |
|
|
1569 | } |
|
|
1570 | |
1523 | |
1571 | Safefree (cctx); |
1524 | Safefree (cctx); |
1572 | } |
1525 | } |
1573 | |
1526 | |
1574 | /* wether this cctx should be destructed */ |
1527 | /* wether this cctx should be destructed */ |
… | |
… | |
1593 | } |
1546 | } |
1594 | |
1547 | |
1595 | static void |
1548 | static void |
1596 | cctx_put (coro_cctx *cctx) |
1549 | cctx_put (coro_cctx *cctx) |
1597 | { |
1550 | { |
1598 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1551 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1599 | |
1552 | |
1600 | /* free another cctx if overlimit */ |
1553 | /* free another cctx if overlimit */ |
1601 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1554 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1602 | { |
1555 | { |
1603 | coro_cctx *first = cctx_first; |
1556 | coro_cctx *first = cctx_first; |
… | |
… | |
1729 | return; |
1682 | return; |
1730 | |
1683 | |
1731 | slf_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1732 | |
1685 | |
1733 | coro->flags |= CF_ZOMBIE; |
1686 | coro->flags |= CF_ZOMBIE; |
1734 | |
1687 | |
1735 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1736 | { |
1689 | { |
1737 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1690 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1738 | /* alternative: look through all ready queues and remove the coro */ |
1691 | /* alternative: look through all ready queues and remove the coro */ |
1739 | --coro_nready; |
1692 | --coro_nready; |
… | |
… | |
2172 | |
2125 | |
2173 | static void |
2126 | static void |
2174 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2127 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2175 | { |
2128 | { |
2176 | AV *av; |
2129 | AV *av; |
2177 | |
2130 | |
2178 | if (coro->status) |
2131 | if (coro->status) |
2179 | { |
2132 | { |
2180 | av = coro->status; |
2133 | av = coro->status; |
2181 | av_clear (av); |
2134 | av_clear (av); |
2182 | } |
2135 | } |
… | |
… | |
2229 | |
2182 | |
2230 | coro = SvSTATE (arg [0]); |
2183 | coro = SvSTATE (arg [0]); |
2231 | coro_hv = coro->hv; |
2184 | coro_hv = coro->hv; |
2232 | |
2185 | |
2233 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2186 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2234 | |
2187 | |
2235 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2188 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2236 | { |
2189 | { |
2237 | /* coro currently busy cancelling something, so just notify it */ |
2190 | /* coro currently busy cancelling something, so just notify it */ |
2238 | coro->slf_frame.data = (void *)coro; |
2191 | coro->slf_frame.data = (void *)coro; |
2239 | |
2192 | |
… | |
… | |
2418 | |
2371 | |
2419 | static int |
2372 | static int |
2420 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2373 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2421 | { |
2374 | { |
2422 | SV *data = (SV *)frame->data; |
2375 | SV *data = (SV *)frame->data; |
2423 | |
2376 | |
2424 | if (CORO_THROW) |
2377 | if (CORO_THROW) |
2425 | return 0; |
2378 | return 0; |
2426 | |
2379 | |
2427 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2380 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2428 | return 1; |
2381 | return 1; |
… | |
… | |
2464 | cb = sv_2mortal (coro->rouse_cb); |
2417 | cb = sv_2mortal (coro->rouse_cb); |
2465 | coro->rouse_cb = 0; |
2418 | coro->rouse_cb = 0; |
2466 | } |
2419 | } |
2467 | |
2420 | |
2468 | if (!SvROK (cb) |
2421 | if (!SvROK (cb) |
2469 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2422 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2470 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2423 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2471 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2424 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2472 | |
2425 | |
2473 | { |
2426 | { |
2474 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2427 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
3438 | #ifdef USE_ITHREADS |
3391 | #ifdef USE_ITHREADS |
3439 | # if CORO_PTHREAD |
3392 | # if CORO_PTHREAD |
3440 | coro_thx = PERL_GET_CONTEXT; |
3393 | coro_thx = PERL_GET_CONTEXT; |
3441 | # endif |
3394 | # endif |
3442 | #endif |
3395 | #endif |
3443 | BOOT_PAGESIZE; |
|
|
3444 | |
|
|
3445 | /* perl defines these to check for existance first, but why it doesn't */ |
3396 | /* perl defines these to check for existance first, but why it doesn't */ |
3446 | /* just create them one at init time is not clear to me, except for */ |
3397 | /* just create them one at init time is not clear to me, except for */ |
3447 | /* programs trying to delete them, but... */ |
3398 | /* programs trying to delete them, but... */ |
3448 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3399 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3449 | DEFSV; |
3400 | DEFSV; |
… | |
… | |
3589 | void |
3540 | void |
3590 | list () |
3541 | list () |
3591 | PROTOTYPE: |
3542 | PROTOTYPE: |
3592 | PPCODE: |
3543 | PPCODE: |
3593 | { |
3544 | { |
3594 | struct coro *coro; |
3545 | struct coro *coro; |
3595 | for (coro = coro_first; coro; coro = coro->next) |
3546 | for (coro = coro_first; coro; coro = coro->next) |
3596 | if (coro->hv) |
3547 | if (coro->hv) |
3597 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3548 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3598 | } |
3549 | } |
3599 | |
3550 | |
… | |
… | |
3663 | RETVAL = boolSV (coro->flags & ix); |
3614 | RETVAL = boolSV (coro->flags & ix); |
3664 | OUTPUT: |
3615 | OUTPUT: |
3665 | RETVAL |
3616 | RETVAL |
3666 | |
3617 | |
3667 | void |
3618 | void |
3668 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3619 | throw (SV *self, SV *exception = &PL_sv_undef) |
3669 | PROTOTYPE: $;$ |
3620 | PROTOTYPE: $;$ |
3670 | CODE: |
3621 | CODE: |
3671 | { |
3622 | { |
|
|
3623 | struct coro *coro = SvSTATE (self); |
3672 | struct coro *current = SvSTATE_current; |
3624 | struct coro *current = SvSTATE_current; |
3673 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3625 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3674 | SvREFCNT_dec (*exceptionp); |
3626 | SvREFCNT_dec (*exceptionp); |
3675 | SvGETMAGIC (exception); |
3627 | SvGETMAGIC (exception); |
3676 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3628 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3629 | |
|
|
3630 | api_ready (aTHX_ self); |
3677 | } |
3631 | } |
3678 | |
3632 | |
3679 | void |
3633 | void |
3680 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3634 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3681 | PROTOTYPE: $;$ |
3635 | PROTOTYPE: $;$ |
… | |
… | |
3758 | |
3712 | |
3759 | void |
3713 | void |
3760 | times (Coro::State self) |
3714 | times (Coro::State self) |
3761 | PPCODE: |
3715 | PPCODE: |
3762 | { |
3716 | { |
3763 | struct coro *current = SvSTATE (coro_current); |
3717 | struct coro *current = SvSTATE (coro_current); |
3764 | |
3718 | |
3765 | if (ecb_expect_false (current == self)) |
3719 | if (ecb_expect_false (current == self)) |
3766 | { |
3720 | { |
3767 | coro_times_update (); |
3721 | coro_times_update (); |
3768 | coro_times_add (SvSTATE (coro_current)); |
3722 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3811 | |
3765 | |
3812 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3766 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3813 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3767 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3814 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3768 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3815 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3769 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3816 | |
3770 | |
3817 | coro_stash = gv_stashpv ("Coro", TRUE); |
3771 | coro_stash = gv_stashpv ("Coro", TRUE); |
3818 | |
3772 | |
3819 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3773 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3820 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3774 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3821 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3775 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
4043 | on_leave = 1 |
3997 | on_leave = 1 |
4044 | PROTOTYPE: & |
3998 | PROTOTYPE: & |
4045 | CODE: |
3999 | CODE: |
4046 | { |
4000 | { |
4047 | struct coro *coro = SvSTATE_current; |
4001 | struct coro *coro = SvSTATE_current; |
4048 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4002 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4049 | |
4003 | |
4050 | block = s_get_cv_croak (block); |
4004 | block = s_get_cv_croak (block); |
4051 | |
4005 | |
4052 | if (!*avp) |
4006 | if (!*avp) |
4053 | *avp = newAV (); |
4007 | *avp = newAV (); |
… | |
… | |
4073 | |
4027 | |
4074 | SV * |
4028 | SV * |
4075 | new (SV *klass, SV *count = 0) |
4029 | new (SV *klass, SV *count = 0) |
4076 | CODE: |
4030 | CODE: |
4077 | { |
4031 | { |
4078 | int semcnt = 1; |
4032 | int semcnt = 1; |
4079 | |
4033 | |
4080 | if (count) |
4034 | if (count) |
4081 | { |
4035 | { |
4082 | SvGETMAGIC (count); |
4036 | SvGETMAGIC (count); |
4083 | |
4037 | |
… | |
… | |
4143 | XSRETURN_NO; |
4097 | XSRETURN_NO; |
4144 | } |
4098 | } |
4145 | |
4099 | |
4146 | void |
4100 | void |
4147 | waiters (SV *self) |
4101 | waiters (SV *self) |
4148 | PPCODE: |
4102 | PPCODE: |
4149 | { |
4103 | { |
4150 | AV *av = (AV *)SvRV (self); |
4104 | AV *av = (AV *)SvRV (self); |
4151 | int wcount = AvFILLp (av) + 1 - 1; |
4105 | int wcount = AvFILLp (av) + 1 - 1; |
4152 | |
4106 | |
4153 | if (GIMME_V == G_SCALAR) |
4107 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4165 | |
4119 | |
4166 | void |
4120 | void |
4167 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4121 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4168 | PPCODE: |
4122 | PPCODE: |
4169 | { |
4123 | { |
4170 | AV *av = (AV *)SvRV (sem); |
4124 | AV *av = (AV *)SvRV (sem); |
4171 | |
4125 | |
4172 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4126 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4173 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4127 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4174 | && SvIV (AvARRAY (av)[0]) == count) |
4128 | && SvIV (AvARRAY (av)[0]) == count) |
4175 | XSRETURN_YES; |
4129 | XSRETURN_YES; |
… | |
… | |
4196 | |
4150 | |
4197 | void |
4151 | void |
4198 | broadcast (SV *self) |
4152 | broadcast (SV *self) |
4199 | CODE: |
4153 | CODE: |
4200 | { |
4154 | { |
4201 | AV *av = (AV *)SvRV (self); |
4155 | AV *av = (AV *)SvRV (self); |
4202 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4156 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4203 | } |
4157 | } |
4204 | |
4158 | |
4205 | void |
4159 | void |
4206 | send (SV *self) |
4160 | send (SV *self) |
… | |
… | |
4214 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4168 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4215 | } |
4169 | } |
4216 | |
4170 | |
4217 | IV |
4171 | IV |
4218 | awaited (SV *self) |
4172 | awaited (SV *self) |
4219 | CODE: |
4173 | CODE: |
4220 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4174 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4221 | OUTPUT: |
4175 | OUTPUT: |
4222 | RETVAL |
4176 | RETVAL |
4223 | |
4177 | |
4224 | |
4178 | |
… | |
… | |
4229 | |
4183 | |
4230 | void |
4184 | void |
4231 | _schedule (...) |
4185 | _schedule (...) |
4232 | CODE: |
4186 | CODE: |
4233 | { |
4187 | { |
4234 | static int incede; |
4188 | static int incede; |
4235 | |
4189 | |
4236 | api_cede_notself (aTHX); |
4190 | api_cede_notself (aTHX); |
4237 | |
4191 | |
4238 | ++incede; |
4192 | ++incede; |
4239 | while (coro_nready >= incede && api_cede (aTHX)) |
4193 | while (coro_nready >= incede && api_cede (aTHX)) |