1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
|
|
17 | |
|
|
18 | #define ECB_NO_THREADS 1 |
|
|
19 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
20 | #include "ecb.h" |
18 | |
21 | |
19 | #include <stddef.h> |
22 | #include <stddef.h> |
20 | #include <stdio.h> |
23 | #include <stdio.h> |
21 | #include <errno.h> |
24 | #include <errno.h> |
22 | #include <assert.h> |
25 | #include <assert.h> |
23 | |
26 | |
|
|
27 | #ifndef SvREFCNT_dec_NN |
|
|
28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
29 | #endif |
|
|
30 | |
|
|
31 | #ifndef SvREFCNT_inc_NN |
|
|
32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
33 | #endif |
|
|
34 | |
24 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
|
|
37 | #endif |
|
|
38 | |
|
|
39 | #ifdef PadARRAY |
|
|
40 | # define NEWPADAPI 1 |
|
|
41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
42 | #else |
|
|
43 | typedef AV PADNAMELIST; |
|
|
44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
45 | typedef AV PADLIST; |
|
|
46 | typedef AV PAD; |
|
|
47 | # endif |
|
|
48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
49 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
51 | # define PadARRAY AvARRAY |
|
|
52 | # define PadMAX AvFILLp |
|
|
53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
|
|
54 | #endif |
|
|
55 | #ifndef PadnamelistREFCNT |
|
|
56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
|
|
57 | #endif |
|
|
58 | #ifndef PadnamelistREFCNT_dec |
|
|
59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
|
|
60 | #endif |
|
|
61 | |
|
|
62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
|
|
63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
|
|
64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
|
65 | # define SVt_BIND SVt_IV |
26 | #endif |
66 | #endif |
27 | |
67 | |
28 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
74 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
76 | #endif |
37 | |
77 | |
38 | #if HAVE_MMAP |
|
|
39 | # include <unistd.h> |
|
|
40 | # include <sys/mman.h> |
|
|
41 | # ifndef MAP_ANONYMOUS |
|
|
42 | # ifdef MAP_ANON |
|
|
43 | # define MAP_ANONYMOUS MAP_ANON |
|
|
44 | # else |
|
|
45 | # undef HAVE_MMAP |
|
|
46 | # endif |
|
|
47 | # endif |
|
|
48 | # include <limits.h> |
|
|
49 | # ifndef PAGESIZE |
|
|
50 | # define PAGESIZE pagesize |
|
|
51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
|
|
52 | static long pagesize; |
|
|
53 | # else |
|
|
54 | # define BOOT_PAGESIZE (void)0 |
|
|
55 | # endif |
|
|
56 | #else |
|
|
57 | # define PAGESIZE 0 |
|
|
58 | # define BOOT_PAGESIZE (void)0 |
|
|
59 | #endif |
|
|
60 | |
|
|
61 | #if CORO_USE_VALGRIND |
|
|
62 | # include <valgrind/valgrind.h> |
|
|
63 | #endif |
|
|
64 | |
|
|
65 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
67 | |
80 | |
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # define HAS_SCOPESTACK_NAME 1 |
82 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
|
|
71 | |
|
|
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
|
|
73 | # undef CORO_STACKGUARD |
|
|
74 | #endif |
|
|
75 | |
|
|
76 | #ifndef CORO_STACKGUARD |
|
|
77 | # define CORO_STACKGUARD 0 |
|
|
78 | #endif |
83 | #endif |
79 | |
84 | |
80 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
81 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
82 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
101 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
102 | static void *coro_thx; |
107 | static void *coro_thx; |
103 | # endif |
108 | # endif |
104 | #endif |
109 | #endif |
105 | |
110 | |
106 | /* used in state.h */ |
|
|
107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
|
|
108 | |
|
|
109 | #ifdef __linux |
111 | #ifdef __linux |
110 | # include <time.h> /* for timespec */ |
112 | # include <time.h> /* for timespec */ |
111 | # include <syscall.h> /* for SYS_* */ |
113 | # include <syscall.h> /* for SYS_* */ |
112 | # ifdef SYS_clock_gettime |
114 | # ifdef SYS_clock_gettime |
113 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
115 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
114 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
115 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
116 | # endif |
118 | # endif |
117 | #endif |
119 | #endif |
118 | |
120 | |
|
|
121 | /* perl usually suppressed asserts. for debugging, we sometimes force it to be on */ |
|
|
122 | #if 0 |
|
|
123 | # undef NDEBUG |
|
|
124 | # include <assert.h> |
|
|
125 | #endif |
|
|
126 | |
119 | static double (*nvtime)(); /* so why doesn't it take void? */ |
127 | static double (*nvtime)(); /* so why doesn't it take void? */ |
120 | static void (*u2time)(pTHX_ UV ret[2]); |
128 | static void (*u2time)(pTHX_ UV ret[2]); |
121 | |
129 | |
122 | /* we hijack an hopefully unused CV flag for our purposes */ |
130 | /* we hijack an hopefully unused CV flag for our purposes */ |
123 | #define CVf_SLF 0x4000 |
131 | #define CVf_SLF 0x4000 |
… | |
… | |
138 | |
146 | |
139 | static GV *irsgv; /* $/ */ |
147 | static GV *irsgv; /* $/ */ |
140 | static GV *stdoutgv; /* *STDOUT */ |
148 | static GV *stdoutgv; /* *STDOUT */ |
141 | static SV *rv_diehook; |
149 | static SV *rv_diehook; |
142 | static SV *rv_warnhook; |
150 | static SV *rv_warnhook; |
143 | static HV *hv_sig; /* %SIG */ |
|
|
144 | |
151 | |
145 | /* async_pool helper stuff */ |
152 | /* async_pool helper stuff */ |
146 | static SV *sv_pool_rss; |
153 | static SV *sv_pool_rss; |
147 | static SV *sv_pool_size; |
154 | static SV *sv_pool_size; |
148 | static SV *sv_async_pool_idle; /* description string */ |
155 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
176 | typedef struct coro_cctx |
183 | typedef struct coro_cctx |
177 | { |
184 | { |
178 | struct coro_cctx *next; |
185 | struct coro_cctx *next; |
179 | |
186 | |
180 | /* the stack */ |
187 | /* the stack */ |
181 | void *sptr; |
188 | struct coro_stack stack; |
182 | size_t ssize; |
|
|
183 | |
189 | |
184 | /* cpu state */ |
190 | /* cpu state */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
191 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
192 | #ifndef NDEBUG |
186 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
193 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
194 | #endif |
187 | JMPENV *top_env; |
195 | JMPENV *top_env; |
188 | coro_context cctx; |
196 | coro_context cctx; |
189 | |
197 | |
190 | U32 gen; |
198 | U32 gen; |
191 | #if CORO_USE_VALGRIND |
199 | #if CORO_USE_VALGRIND |
… | |
… | |
211 | }; |
219 | }; |
212 | |
220 | |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | typedef struct |
222 | typedef struct |
215 | { |
223 | { |
216 | #define VARx(name,expr,type) type name; |
224 | #define VARx(name,expr,type) type name; |
217 | # include "state.h" |
225 | #include "state.h" |
218 | #undef VARx |
|
|
219 | } perl_slots; |
226 | } perl_slots; |
220 | |
227 | |
221 | /* how many context stack entries do we need for perl_slots */ |
228 | /* how many context stack entries do we need for perl_slots */ |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | |
230 | |
… | |
… | |
254 | SV *saved_deffh; |
261 | SV *saved_deffh; |
255 | SV *invoke_cb; |
262 | SV *invoke_cb; |
256 | AV *invoke_av; |
263 | AV *invoke_av; |
257 | |
264 | |
258 | /* on_enter/on_leave */ |
265 | /* on_enter/on_leave */ |
259 | AV *on_enter; |
266 | AV *on_enter; AV *on_enter_xs; |
260 | AV *on_leave; |
267 | AV *on_leave; AV *on_leave_xs; |
261 | |
268 | |
262 | /* swap_sv */ |
269 | /* swap_sv */ |
263 | AV *swap_sv; |
270 | AV *swap_sv; |
264 | |
271 | |
265 | /* times */ |
272 | /* times */ |
… | |
… | |
295 | #define coro_nready coroapi.nready |
302 | #define coro_nready coroapi.nready |
296 | |
303 | |
297 | /** JIT *********************************************************************/ |
304 | /** JIT *********************************************************************/ |
298 | |
305 | |
299 | #if CORO_JIT |
306 | #if CORO_JIT |
300 | /* APPLE doesn't have HAVE_MMAP though */ |
307 | /* APPLE doesn't have mmap though */ |
301 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
308 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
302 | #ifndef CORO_JIT_TYPE |
309 | #ifndef CORO_JIT_TYPE |
303 | #if __x86_64 && CORO_JIT_UNIXY |
310 | #if ECB_AMD64 && CORO_JIT_UNIXY |
304 | #define CORO_JIT_TYPE "amd64-unix" |
311 | #define CORO_JIT_TYPE "amd64-unix" |
305 | #elif __i386 && CORO_JIT_UNIXY |
312 | #elif __i386 && CORO_JIT_UNIXY |
306 | #define CORO_JIT_TYPE "x86-unix" |
313 | #define CORO_JIT_TYPE "x86-unix" |
307 | #endif |
314 | #endif |
308 | #endif |
315 | #endif |
309 | #endif |
316 | #endif |
310 | |
317 | |
311 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
318 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
312 | #undef CORO_JIT |
319 | #undef CORO_JIT |
313 | #endif |
320 | #endif |
314 | |
321 | |
315 | #if CORO_JIT |
322 | #if CORO_JIT |
316 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
323 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
… | |
… | |
373 | time_init (pTHX) |
380 | time_init (pTHX) |
374 | { |
381 | { |
375 | SV **svp; |
382 | SV **svp; |
376 | |
383 | |
377 | require_pv ("Time/HiRes.pm"); |
384 | require_pv ("Time/HiRes.pm"); |
378 | |
385 | |
379 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
386 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
380 | |
387 | |
381 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
388 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
382 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
389 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
383 | |
390 | |
… | |
… | |
501 | |
508 | |
502 | return 0; |
509 | return 0; |
503 | } |
510 | } |
504 | |
511 | |
505 | ecb_inline struct coro * |
512 | ecb_inline struct coro * |
506 | SvSTATE_ (pTHX_ SV *coro) |
513 | SvSTATE_ (pTHX_ SV *coro_sv) |
507 | { |
514 | { |
508 | MAGIC *mg; |
515 | MAGIC *mg; |
509 | |
516 | |
510 | if (SvROK (coro)) |
517 | if (SvROK (coro_sv)) |
511 | coro = SvRV (coro); |
518 | coro_sv = SvRV (coro_sv); |
512 | |
519 | |
513 | mg = SvSTATEhv_p (aTHX_ coro); |
520 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
514 | if (!mg) |
521 | if (!mg) |
515 | croak ("Coro::State object required"); |
522 | croak ("Coro::State object required"); |
516 | |
523 | |
517 | return (struct coro *)mg->mg_ptr; |
524 | return (struct coro *)mg->mg_ptr; |
518 | } |
525 | } |
… | |
… | |
524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
531 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | |
532 | |
526 | /*****************************************************************************/ |
533 | /*****************************************************************************/ |
527 | /* padlist management and caching */ |
534 | /* padlist management and caching */ |
528 | |
535 | |
529 | ecb_inline AV * |
536 | ecb_inline PADLIST * |
530 | coro_derive_padlist (pTHX_ CV *cv) |
537 | coro_derive_padlist (pTHX_ CV *cv) |
531 | { |
538 | { |
532 | AV *padlist = CvPADLIST (cv); |
539 | PADLIST *padlist = CvPADLIST (cv); |
533 | AV *newpadlist, *newpad; |
540 | PADLIST *newpadlist; |
|
|
541 | PADNAMELIST *padnames; |
|
|
542 | PAD *newpad; |
|
|
543 | PADOFFSET off = PadlistMAX (padlist) + 1; |
534 | |
544 | |
535 | newpadlist = newAV (); |
545 | #if NEWPADAPI |
|
|
546 | |
|
|
547 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
548 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
549 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
550 | --off; |
|
|
551 | |
|
|
552 | Perl_pad_push (aTHX_ padlist, off); |
|
|
553 | |
|
|
554 | newpad = PadlistARRAY (padlist)[off]; |
|
|
555 | PadlistARRAY (padlist)[off] = 0; |
|
|
556 | |
|
|
557 | #else |
|
|
558 | |
|
|
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
560 | Perl_pad_push (aTHX_ padlist, off); |
|
|
561 | #else |
|
|
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | newpad = PadlistARRAY (padlist)[off]; |
|
|
566 | PadlistMAX (padlist) = off - 1; |
|
|
567 | |
|
|
568 | #endif |
|
|
569 | |
|
|
570 | newPADLIST (newpadlist); |
|
|
571 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
572 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
536 | AvREAL_off (newpadlist); |
573 | AvREAL_off (newpadlist); |
537 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
538 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
539 | #else |
|
|
540 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
541 | #endif |
574 | #endif |
542 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
543 | --AvFILLp (padlist); |
|
|
544 | |
575 | |
545 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
576 | /* Already extended to 2 elements by newPADLIST. */ |
546 | av_store (newpadlist, 1, (SV *)newpad); |
577 | PadlistMAX (newpadlist) = 1; |
|
|
578 | |
|
|
579 | padnames = PadlistNAMES (padlist); |
|
|
580 | ++PadnamelistREFCNT (padnames); |
|
|
581 | PadlistNAMES (newpadlist) = padnames; |
|
|
582 | |
|
|
583 | PadlistARRAY (newpadlist)[1] = newpad; |
547 | |
584 | |
548 | return newpadlist; |
585 | return newpadlist; |
549 | } |
586 | } |
550 | |
587 | |
551 | ecb_inline void |
588 | ecb_inline void |
552 | free_padlist (pTHX_ AV *padlist) |
589 | free_padlist (pTHX_ PADLIST *padlist) |
553 | { |
590 | { |
554 | /* may be during global destruction */ |
591 | /* may be during global destruction */ |
555 | if (!IN_DESTRUCT) |
592 | if (!IN_DESTRUCT) |
556 | { |
593 | { |
557 | I32 i = AvFILLp (padlist); |
594 | I32 i = PadlistMAX (padlist); |
558 | |
595 | |
559 | while (i > 0) /* special-case index 0 */ |
596 | while (i > 0) /* special-case index 0 */ |
560 | { |
597 | { |
561 | /* we try to be extra-careful here */ |
598 | /* we try to be extra-careful here */ |
562 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
599 | PAD *pad = PadlistARRAY (padlist)[i--]; |
563 | I32 j = AvFILLp (av); |
|
|
564 | |
600 | |
|
|
601 | if (pad) |
|
|
602 | { |
|
|
603 | I32 j = PadMAX (pad); |
|
|
604 | |
565 | while (j >= 0) |
605 | while (j >= 0) |
566 | SvREFCNT_dec (AvARRAY (av)[j--]); |
606 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
567 | |
607 | |
568 | AvFILLp (av) = -1; |
608 | PadMAX (pad) = -1; |
569 | SvREFCNT_dec (av); |
609 | SvREFCNT_dec (pad); |
|
|
610 | } |
570 | } |
611 | } |
571 | |
612 | |
572 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
613 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
573 | |
614 | |
|
|
615 | #if NEWPADAPI |
|
|
616 | Safefree (PadlistARRAY (padlist)); |
|
|
617 | Safefree (padlist); |
|
|
618 | #else |
574 | AvFILLp (padlist) = -1; |
619 | AvFILLp (padlist) = -1; |
|
|
620 | AvREAL_off (padlist); |
575 | SvREFCNT_dec ((SV*)padlist); |
621 | SvREFCNT_dec ((SV*)padlist); |
|
|
622 | #endif |
576 | } |
623 | } |
577 | } |
624 | } |
578 | |
625 | |
579 | static int |
626 | static int |
580 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
627 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
581 | { |
628 | { |
582 | AV *padlist; |
629 | PADLIST *padlist; |
583 | AV *av = (AV *)mg->mg_obj; |
630 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
631 | size_t len = *(size_t *)mg->mg_ptr; |
584 | |
632 | |
585 | /* perl manages to free our internal AV and _then_ call us */ |
633 | /* perl manages to free our internal AV and _then_ call us */ |
586 | if (IN_DESTRUCT) |
634 | if (IN_DESTRUCT) |
587 | return 0; |
635 | return 0; |
588 | |
636 | |
589 | /* casting is fun. */ |
637 | while (len--) |
590 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
591 | free_padlist (aTHX_ padlist); |
638 | free_padlist (aTHX_ padlists[len]); |
592 | |
|
|
593 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
594 | |
639 | |
595 | return 0; |
640 | return 0; |
596 | } |
641 | } |
597 | |
642 | |
598 | static MGVTBL coro_cv_vtbl = { |
643 | static MGVTBL coro_cv_vtbl = { |
… | |
… | |
603 | /* the next two functions merely cache the padlists */ |
648 | /* the next two functions merely cache the padlists */ |
604 | ecb_inline void |
649 | ecb_inline void |
605 | get_padlist (pTHX_ CV *cv) |
650 | get_padlist (pTHX_ CV *cv) |
606 | { |
651 | { |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
652 | MAGIC *mg = CORO_MAGIC_cv (cv); |
608 | AV *av; |
653 | size_t *lenp; |
609 | |
654 | |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
655 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
656 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
612 | else |
657 | else |
613 | { |
658 | { |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
659 | #if CORO_PREFER_PERL_FUNCTIONS |
615 | /* this is probably cleaner? but also slower! */ |
660 | /* this is probably cleaner? but also slower! */ |
616 | /* in practise, it seems to be less stable */ |
661 | /* in practise, it seems to be less stable */ |
… | |
… | |
626 | |
671 | |
627 | ecb_inline void |
672 | ecb_inline void |
628 | put_padlist (pTHX_ CV *cv) |
673 | put_padlist (pTHX_ CV *cv) |
629 | { |
674 | { |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
675 | MAGIC *mg = CORO_MAGIC_cv (cv); |
631 | AV *av; |
|
|
632 | |
676 | |
633 | if (ecb_expect_false (!mg)) |
677 | if (ecb_expect_false (!mg)) |
|
|
678 | { |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
679 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
680 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
681 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
682 | } |
|
|
683 | else |
|
|
684 | Renew (mg->mg_ptr, |
|
|
685 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
686 | char); |
635 | |
687 | |
636 | av = (AV *)mg->mg_obj; |
688 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
637 | |
|
|
638 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
639 | av_extend (av, AvFILLp (av) + 1); |
|
|
640 | |
|
|
641 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
642 | } |
689 | } |
643 | |
690 | |
644 | /** load & save, init *******************************************************/ |
691 | /** load & save, init *******************************************************/ |
645 | |
692 | |
|
|
693 | ecb_inline void |
|
|
694 | swap_sv (SV *a, SV *b) |
|
|
695 | { |
|
|
696 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
697 | SV tmp; |
|
|
698 | |
|
|
699 | /* swap sv_any */ |
|
|
700 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
701 | |
|
|
702 | /* swap sv_flags */ |
|
|
703 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
704 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
705 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
706 | |
|
|
707 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
708 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
709 | * is much faster, so no quarrels here. alternatively, we could |
|
|
710 | * sv_upgrade to avoid this. |
|
|
711 | */ |
|
|
712 | { |
|
|
713 | /* swap sv_u */ |
|
|
714 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
715 | |
|
|
716 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
717 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
718 | */ |
|
|
719 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
720 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
721 | svany_in_head_set |= 1 << SVt_NV; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
725 | |
|
|
726 | if (svany_in_head (SvTYPE (a))) |
|
|
727 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
728 | |
|
|
729 | if (svany_in_head (SvTYPE (b))) |
|
|
730 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
731 | } |
|
|
732 | #endif |
|
|
733 | } |
|
|
734 | |
646 | /* swap sv heads, at least logically */ |
735 | /* swap sv heads, at least logically */ |
647 | static void |
736 | static void |
648 | swap_svs (pTHX_ Coro__State c) |
737 | swap_svs_enter (pTHX_ Coro__State c) |
649 | { |
738 | { |
650 | int i; |
739 | int i; |
651 | |
740 | |
652 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
741 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
653 | { |
742 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
654 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
655 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
656 | |
|
|
657 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
658 | SV tmp; |
|
|
659 | |
|
|
660 | /* swap sv_any */ |
|
|
661 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
662 | |
|
|
663 | /* swap sv_flags */ |
|
|
664 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
665 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
666 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
667 | |
|
|
668 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
669 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
670 | * much faster, so no quarrels here. alternatively, we could |
|
|
671 | * sv_upgrade to avoid this. |
|
|
672 | */ |
|
|
673 | { |
|
|
674 | /* swap sv_u */ |
|
|
675 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
676 | |
|
|
677 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
678 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
679 | */ |
|
|
680 | #define svany_in_head(type) \ |
|
|
681 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
682 | |
|
|
683 | if (svany_in_head (SvTYPE (a))) |
|
|
684 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
685 | |
|
|
686 | if (svany_in_head (SvTYPE (b))) |
|
|
687 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
688 | } |
|
|
689 | #endif |
|
|
690 | } |
|
|
691 | } |
743 | } |
692 | |
744 | |
|
|
745 | static void |
|
|
746 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
747 | { |
|
|
748 | int i; |
|
|
749 | |
|
|
750 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
751 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
752 | } |
|
|
753 | |
693 | #define SWAP_SVS(coro) \ |
754 | #define SWAP_SVS_ENTER(coro) \ |
694 | if (ecb_expect_false ((coro)->swap_sv)) \ |
755 | if (ecb_expect_false ((coro)->swap_sv)) \ |
695 | swap_svs (aTHX_ (coro)) |
756 | swap_svs_enter (aTHX_ (coro)) |
|
|
757 | |
|
|
758 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
759 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
760 | swap_svs_leave (aTHX_ (coro)) |
696 | |
761 | |
697 | static void |
762 | static void |
698 | on_enterleave_call (pTHX_ SV *cb); |
763 | on_enterleave_call (pTHX_ SV *cb); |
699 | |
764 | |
700 | static void |
765 | static void |
… | |
… | |
707 | |
772 | |
708 | #if CORO_JIT |
773 | #if CORO_JIT |
709 | load_perl_slots (slot); |
774 | load_perl_slots (slot); |
710 | #else |
775 | #else |
711 | #define VARx(name,expr,type) expr = slot->name; |
776 | #define VARx(name,expr,type) expr = slot->name; |
712 | # include "state.h" |
777 | #include "state.h" |
713 | #undef VARx |
|
|
714 | #endif |
778 | #endif |
715 | |
779 | |
716 | { |
780 | { |
717 | dSP; |
781 | dSP; |
718 | |
782 | |
… | |
… | |
721 | /* now do the ugly restore mess */ |
785 | /* now do the ugly restore mess */ |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
786 | while (ecb_expect_true (cv = (CV *)POPs)) |
723 | { |
787 | { |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
788 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
789 | CvDEPTH (cv) = PTR2IV (POPs); |
726 | CvPADLIST (cv) = (AV *)POPs; |
790 | CvPADLIST (cv) = (PADLIST *)POPs; |
727 | } |
791 | } |
728 | |
792 | |
729 | PUTBACK; |
793 | PUTBACK; |
730 | } |
794 | } |
731 | |
795 | |
… | |
… | |
746 | |
810 | |
747 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
811 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
748 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
812 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
749 | } |
813 | } |
750 | |
814 | |
|
|
815 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
816 | { |
|
|
817 | int i; |
|
|
818 | |
|
|
819 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
820 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
821 | } |
|
|
822 | |
751 | SWAP_SVS (c); |
823 | SWAP_SVS_ENTER (c); |
752 | } |
824 | } |
753 | |
825 | |
754 | static void |
826 | static void |
755 | save_perl (pTHX_ Coro__State c) |
827 | save_perl (pTHX_ Coro__State c) |
756 | { |
828 | { |
757 | SWAP_SVS (c); |
829 | SWAP_SVS_LEAVE (c); |
|
|
830 | |
|
|
831 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
832 | { |
|
|
833 | int i; |
|
|
834 | |
|
|
835 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
836 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
837 | } |
758 | |
838 | |
759 | if (ecb_expect_false (c->on_leave)) |
839 | if (ecb_expect_false (c->on_leave)) |
760 | { |
840 | { |
761 | int i; |
841 | int i; |
762 | |
842 | |
… | |
… | |
840 | |
920 | |
841 | #if CORO_JIT |
921 | #if CORO_JIT |
842 | save_perl_slots (slot); |
922 | save_perl_slots (slot); |
843 | #else |
923 | #else |
844 | #define VARx(name,expr,type) slot->name = expr; |
924 | #define VARx(name,expr,type) slot->name = expr; |
845 | # include "state.h" |
925 | #include "state.h" |
846 | #undef VARx |
|
|
847 | #endif |
926 | #endif |
848 | } |
927 | } |
849 | } |
928 | } |
850 | |
929 | |
851 | /* |
930 | /* |
… | |
… | |
890 | #endif |
969 | #endif |
891 | |
970 | |
892 | New(54,PL_savestack,24,ANY); |
971 | New(54,PL_savestack,24,ANY); |
893 | PL_savestack_ix = 0; |
972 | PL_savestack_ix = 0; |
894 | PL_savestack_max = 24; |
973 | PL_savestack_max = 24; |
|
|
974 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
975 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
976 | /* the header macros to PL_savestack_max */ |
|
|
977 | PL_savestack_max -= SS_MAXPUSH; |
|
|
978 | #endif |
895 | |
979 | |
896 | #if !PERL_VERSION_ATLEAST (5,10,0) |
980 | #if !PERL_VERSION_ATLEAST (5,10,0) |
897 | New(54,PL_retstack,4,OP*); |
981 | New(54,PL_retstack,4,OP*); |
898 | PL_retstack_ix = 0; |
982 | PL_retstack_ix = 0; |
899 | PL_retstack_max = 4; |
983 | PL_retstack_max = 4; |
… | |
… | |
965 | } |
1049 | } |
966 | |
1050 | |
967 | return rss; |
1051 | return rss; |
968 | } |
1052 | } |
969 | |
1053 | |
970 | /** coroutine stack handling ************************************************/ |
1054 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
971 | |
|
|
972 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
973 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
974 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
975 | |
1055 | |
976 | /* apparently < 5.8.8 */ |
1056 | /* apparently < 5.8.8 */ |
977 | #ifndef MgPV_nolen_const |
1057 | #ifndef MgPV_nolen_const |
978 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1058 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
979 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1059 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
980 | (const char*)(mg)->mg_ptr) |
1060 | (const char*)(mg)->mg_ptr) |
981 | #endif |
1061 | #endif |
|
|
1062 | |
|
|
1063 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1064 | static MGVTBL coro_sigelem_vtbl; |
|
|
1065 | |
|
|
1066 | static int ecb_cold |
|
|
1067 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1068 | { |
|
|
1069 | char *key = SvPV_nolen ((SV *)name); |
|
|
1070 | |
|
|
1071 | /* do what mg_copy normally does */ |
|
|
1072 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1073 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1074 | |
|
|
1075 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1076 | if (*key == '_' |
|
|
1077 | && (strEQ (key, "__DIE__") |
|
|
1078 | || strEQ (key, "__WARN__"))) |
|
|
1079 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1080 | |
|
|
1081 | return 1; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1085 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1086 | static const MGVTBL coro_sig_vtbl = { |
|
|
1087 | 0, 0, 0, 0, 0, |
|
|
1088 | coro_sig_copy |
|
|
1089 | }; |
982 | |
1090 | |
983 | /* |
1091 | /* |
984 | * This overrides the default magic get method of %SIG elements. |
1092 | * This overrides the default magic get method of %SIG elements. |
985 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1093 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
986 | * and instead of trying to save and restore the hash elements (extremely slow), |
1094 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
988 | */ |
1096 | */ |
989 | static int ecb_cold |
1097 | static int ecb_cold |
990 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1098 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
991 | { |
1099 | { |
992 | const char *s = MgPV_nolen_const (mg); |
1100 | const char *s = MgPV_nolen_const (mg); |
|
|
1101 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1102 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
993 | |
1103 | |
994 | if (*s == '_') |
1104 | SV *ssv; |
995 | { |
|
|
996 | SV **svp = 0; |
|
|
997 | |
1105 | |
998 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
999 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1000 | |
|
|
1001 | if (svp) |
1106 | if (!*svp) |
1002 | { |
1107 | ssv = &PL_sv_undef; |
1003 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1108 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1004 | return 0; |
1109 | ssv = sv_2mortal (newRV_inc (*svp)); |
1005 | } |
1110 | else |
1006 | } |
1111 | ssv = *svp; |
1007 | |
1112 | |
1008 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1113 | sv_setsv (sv, ssv); |
|
|
1114 | return 0; |
1009 | } |
1115 | } |
1010 | |
1116 | |
1011 | static int ecb_cold |
1117 | static int ecb_cold |
1012 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1013 | { |
1119 | { |
1014 | const char *s = MgPV_nolen_const (mg); |
1120 | const char *s = MgPV_nolen_const (mg); |
|
|
1121 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1122 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1015 | |
1123 | |
1016 | if (*s == '_') |
|
|
1017 | { |
|
|
1018 | SV **svp = 0; |
|
|
1019 | |
|
|
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1022 | |
|
|
1023 | if (svp) |
|
|
1024 | { |
|
|
1025 | SV *old = *svp; |
1124 | SV *old = *svp; |
1026 | *svp = 0; |
1125 | *svp = 0; |
1027 | SvREFCNT_dec (old); |
1126 | SvREFCNT_dec (old); |
1028 | return 0; |
1127 | return 0; |
1029 | } |
|
|
1030 | } |
|
|
1031 | |
|
|
1032 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1033 | } |
1128 | } |
1034 | |
1129 | |
1035 | static int ecb_cold |
1130 | static int ecb_cold |
1036 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1037 | { |
1132 | { |
1038 | const char *s = MgPV_nolen_const (mg); |
1133 | const char *s = MgPV_nolen_const (mg); |
|
|
1134 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1135 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1039 | |
1136 | |
1040 | if (*s == '_') |
|
|
1041 | { |
|
|
1042 | SV **svp = 0; |
|
|
1043 | |
|
|
1044 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1045 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1046 | |
|
|
1047 | if (svp) |
|
|
1048 | { |
|
|
1049 | SV *old = *svp; |
1137 | SV *old = *svp; |
1050 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1138 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1051 | SvREFCNT_dec (old); |
1139 | SvREFCNT_dec (old); |
1052 | return 0; |
1140 | return 0; |
1053 | } |
|
|
1054 | } |
|
|
1055 | |
|
|
1056 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1057 | } |
1141 | } |
1058 | |
1142 | |
1059 | static void |
1143 | static void |
1060 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1144 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1061 | { |
1145 | { |
… | |
… | |
1072 | static int |
1156 | static int |
1073 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1157 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1074 | { |
1158 | { |
1075 | return 1; |
1159 | return 1; |
1076 | } |
1160 | } |
|
|
1161 | |
|
|
1162 | /** coroutine stack handling ************************************************/ |
1077 | |
1163 | |
1078 | static UNOP init_perl_op; |
1164 | static UNOP init_perl_op; |
1079 | |
1165 | |
1080 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1166 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1081 | init_perl (pTHX_ struct coro *coro) |
1167 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1102 | PL_hints = 0; |
1188 | PL_hints = 0; |
1103 | |
1189 | |
1104 | /* recreate the die/warn hooks */ |
1190 | /* recreate the die/warn hooks */ |
1105 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1191 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1106 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1192 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1107 | |
1193 | |
1108 | GvSV (PL_defgv) = newSV (0); |
1194 | GvSV (PL_defgv) = newSV (0); |
1109 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1195 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1110 | GvSV (PL_errgv) = newSV (0); |
1196 | GvSV (PL_errgv) = newSV (0); |
1111 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1197 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1112 | GvHV (PL_hintgv) = 0; |
1198 | GvHV (PL_hintgv) = newHV (); |
|
|
1199 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1200 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1201 | #endif |
1113 | PL_rs = newSVsv (GvSV (irsgv)); |
1202 | PL_rs = newSVsv (GvSV (irsgv)); |
1114 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1203 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1115 | |
1204 | |
1116 | { |
1205 | { |
1117 | dSP; |
1206 | dSP; |
… | |
… | |
1145 | PL_op = (OP *)&init_perl_op; |
1234 | PL_op = (OP *)&init_perl_op; |
1146 | |
1235 | |
1147 | /* copy throw, in case it was set before init_perl */ |
1236 | /* copy throw, in case it was set before init_perl */ |
1148 | CORO_THROW = coro->except; |
1237 | CORO_THROW = coro->except; |
1149 | |
1238 | |
1150 | SWAP_SVS (coro); |
1239 | SWAP_SVS_ENTER (coro); |
1151 | |
1240 | |
1152 | if (ecb_expect_false (enable_times)) |
1241 | if (ecb_expect_false (enable_times)) |
1153 | { |
1242 | { |
1154 | coro_times_update (); |
1243 | coro_times_update (); |
1155 | coro_times_sub (coro); |
1244 | coro_times_sub (coro); |
… | |
… | |
1193 | /* this will cause transfer_check to croak on block*/ |
1282 | /* this will cause transfer_check to croak on block*/ |
1194 | SvRV_set (coro_current, (SV *)coro->hv); |
1283 | SvRV_set (coro_current, (SV *)coro->hv); |
1195 | |
1284 | |
1196 | load_perl (aTHX_ coro); |
1285 | load_perl (aTHX_ coro); |
1197 | |
1286 | |
|
|
1287 | /* restore swapped sv's */ |
|
|
1288 | SWAP_SVS_LEAVE (coro); |
|
|
1289 | |
1198 | coro_unwind_stacks (aTHX); |
1290 | coro_unwind_stacks (aTHX); |
1199 | |
|
|
1200 | /* restore swapped sv's */ |
|
|
1201 | SWAP_SVS (coro); |
|
|
1202 | |
1291 | |
1203 | coro_destruct_stacks (aTHX); |
1292 | coro_destruct_stacks (aTHX); |
1204 | |
1293 | |
1205 | /* now save some sv's to be free'd later */ |
1294 | /* now save some sv's to be free'd later */ |
1206 | svf [0] = GvSV (PL_defgv); |
1295 | svf [0] = GvSV (PL_defgv); |
… | |
… | |
1227 | |
1316 | |
1228 | SvREFCNT_dec (coro->saved_deffh); |
1317 | SvREFCNT_dec (coro->saved_deffh); |
1229 | SvREFCNT_dec (coro->rouse_cb); |
1318 | SvREFCNT_dec (coro->rouse_cb); |
1230 | SvREFCNT_dec (coro->invoke_cb); |
1319 | SvREFCNT_dec (coro->invoke_cb); |
1231 | SvREFCNT_dec (coro->invoke_av); |
1320 | SvREFCNT_dec (coro->invoke_av); |
|
|
1321 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1322 | SvREFCNT_dec (coro->on_leave_xs); |
1232 | } |
1323 | } |
1233 | } |
1324 | } |
1234 | |
1325 | |
1235 | ecb_inline void |
1326 | ecb_inline void |
1236 | free_coro_mortal (pTHX) |
1327 | free_coro_mortal (pTHX) |
… | |
… | |
1299 | |
1390 | |
1300 | if (PL_curcop != &PL_compiling) |
1391 | if (PL_curcop != &PL_compiling) |
1301 | { |
1392 | { |
1302 | SV **cb; |
1393 | SV **cb; |
1303 | |
1394 | |
1304 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1395 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1305 | { |
1396 | { |
1306 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1397 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1307 | |
1398 | |
1308 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1399 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1309 | { |
1400 | { |
… | |
… | |
1405 | transfer_tail (pTHX) |
1496 | transfer_tail (pTHX) |
1406 | { |
1497 | { |
1407 | free_coro_mortal (aTHX); |
1498 | free_coro_mortal (aTHX); |
1408 | } |
1499 | } |
1409 | |
1500 | |
|
|
1501 | /* try to exit the same way perl's main function would do */ |
|
|
1502 | /* we do not bother resetting the environment or other things *7 |
|
|
1503 | /* that are not, uhm, essential */ |
|
|
1504 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1505 | static void ecb_noinline ecb_cold |
|
|
1506 | perlish_exit (pTHX) |
|
|
1507 | { |
|
|
1508 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1509 | perl_free (PL_curinterp); |
|
|
1510 | exit (exitstatus); |
|
|
1511 | } |
|
|
1512 | |
1410 | /* |
1513 | /* |
1411 | * this is a _very_ stripped down perl interpreter ;) |
1514 | * this is a _very_ stripped down perl interpreter ;) |
1412 | */ |
1515 | */ |
1413 | static void |
1516 | static void |
1414 | cctx_run (void *arg) |
1517 | cctx_run (void *arg) |
… | |
… | |
1439 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1542 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1440 | * runtime errors here, as this is just a random interpreter, not a thread. |
1543 | * runtime errors here, as this is just a random interpreter, not a thread. |
1441 | */ |
1544 | */ |
1442 | |
1545 | |
1443 | /* |
1546 | /* |
|
|
1547 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1548 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1549 | */ |
|
|
1550 | if (!PL_scopestack_ix) |
|
|
1551 | ENTER; |
|
|
1552 | |
|
|
1553 | /* |
1444 | * If perl-run returns we assume exit() was being called or the coro |
1554 | * If perl-run returns we assume exit() was being called or the coro |
1445 | * fell off the end, which seems to be the only valid (non-bug) |
1555 | * fell off the end, which seems to be the only valid (non-bug) |
1446 | * reason for perl_run to return. We try to exit by jumping to the |
1556 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1447 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1557 | * doing in that case. YMMV. |
1448 | * coroutine as Coro has no such concept. |
|
|
1449 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1450 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1451 | */ |
1558 | */ |
1452 | PL_top_env = main_top_env; |
1559 | perlish_exit (aTHX); |
1453 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1454 | } |
1560 | } |
1455 | } |
1561 | } |
1456 | |
1562 | |
1457 | static coro_cctx * |
1563 | static coro_cctx * |
1458 | cctx_new (void) |
1564 | cctx_new (void) |
… | |
… | |
1473 | static coro_cctx * |
1579 | static coro_cctx * |
1474 | cctx_new_empty (void) |
1580 | cctx_new_empty (void) |
1475 | { |
1581 | { |
1476 | coro_cctx *cctx = cctx_new (); |
1582 | coro_cctx *cctx = cctx_new (); |
1477 | |
1583 | |
1478 | cctx->sptr = 0; |
1584 | cctx->stack.sptr = 0; |
1479 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1585 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1480 | |
1586 | |
1481 | return cctx; |
1587 | return cctx; |
1482 | } |
1588 | } |
1483 | |
1589 | |
1484 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1590 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1485 | static coro_cctx * |
1591 | static coro_cctx * |
1486 | cctx_new_run (void) |
1592 | cctx_new_run (void) |
1487 | { |
1593 | { |
1488 | coro_cctx *cctx = cctx_new (); |
1594 | coro_cctx *cctx = cctx_new (); |
1489 | void *stack_start; |
|
|
1490 | size_t stack_size; |
|
|
1491 | |
1595 | |
1492 | #if HAVE_MMAP |
1596 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1493 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1494 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1495 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
|
|
1496 | |
|
|
1497 | if (cctx->sptr != (void *)-1) |
|
|
1498 | { |
|
|
1499 | #if CORO_STACKGUARD |
|
|
1500 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1501 | #endif |
|
|
1502 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1503 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1504 | cctx->flags |= CC_MAPPED; |
|
|
1505 | } |
1597 | { |
1506 | else |
|
|
1507 | #endif |
|
|
1508 | { |
|
|
1509 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1510 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1511 | |
|
|
1512 | if (!cctx->sptr) |
|
|
1513 | { |
|
|
1514 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1598 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1515 | _exit (EXIT_FAILURE); |
1599 | _exit (EXIT_FAILURE); |
1516 | } |
|
|
1517 | |
|
|
1518 | stack_start = cctx->sptr; |
|
|
1519 | stack_size = cctx->ssize; |
|
|
1520 | } |
1600 | } |
1521 | |
1601 | |
1522 | #if CORO_USE_VALGRIND |
|
|
1523 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1524 | #endif |
|
|
1525 | |
|
|
1526 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1602 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1527 | |
1603 | |
1528 | return cctx; |
1604 | return cctx; |
1529 | } |
1605 | } |
1530 | |
1606 | |
1531 | static void |
1607 | static void |
… | |
… | |
1537 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1613 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1538 | |
1614 | |
1539 | --cctx_count; |
1615 | --cctx_count; |
1540 | coro_destroy (&cctx->cctx); |
1616 | coro_destroy (&cctx->cctx); |
1541 | |
1617 | |
1542 | /* coro_transfer creates new, empty cctx's */ |
1618 | coro_stack_free (&cctx->stack); |
1543 | if (cctx->sptr) |
|
|
1544 | { |
|
|
1545 | #if CORO_USE_VALGRIND |
|
|
1546 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1547 | #endif |
|
|
1548 | |
|
|
1549 | #if HAVE_MMAP |
|
|
1550 | if (cctx->flags & CC_MAPPED) |
|
|
1551 | munmap (cctx->sptr, cctx->ssize); |
|
|
1552 | else |
|
|
1553 | #endif |
|
|
1554 | Safefree (cctx->sptr); |
|
|
1555 | } |
|
|
1556 | |
1619 | |
1557 | Safefree (cctx); |
1620 | Safefree (cctx); |
1558 | } |
1621 | } |
1559 | |
1622 | |
1560 | /* wether this cctx should be destructed */ |
1623 | /* wether this cctx should be destructed */ |
… | |
… | |
1579 | } |
1642 | } |
1580 | |
1643 | |
1581 | static void |
1644 | static void |
1582 | cctx_put (coro_cctx *cctx) |
1645 | cctx_put (coro_cctx *cctx) |
1583 | { |
1646 | { |
1584 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1647 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1585 | |
1648 | |
1586 | /* free another cctx if overlimit */ |
1649 | /* free another cctx if overlimit */ |
1587 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1650 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1588 | { |
1651 | { |
1589 | coro_cctx *first = cctx_first; |
1652 | coro_cctx *first = cctx_first; |
… | |
… | |
1715 | return; |
1778 | return; |
1716 | |
1779 | |
1717 | slf_destroy (aTHX_ coro); |
1780 | slf_destroy (aTHX_ coro); |
1718 | |
1781 | |
1719 | coro->flags |= CF_ZOMBIE; |
1782 | coro->flags |= CF_ZOMBIE; |
1720 | |
1783 | |
1721 | if (coro->flags & CF_READY) |
1784 | if (coro->flags & CF_READY) |
1722 | { |
1785 | { |
1723 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1786 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1724 | /* alternative: look through all ready queues and remove the coro */ |
1787 | /* alternative: look through all ready queues and remove the coro */ |
1725 | --coro_nready; |
1788 | --coro_nready; |
… | |
… | |
1921 | /* nothing to schedule: call the idle handler */ |
1984 | /* nothing to schedule: call the idle handler */ |
1922 | if (SvROK (sv_idle) |
1985 | if (SvROK (sv_idle) |
1923 | && SvOBJECT (SvRV (sv_idle))) |
1986 | && SvOBJECT (SvRV (sv_idle))) |
1924 | { |
1987 | { |
1925 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1988 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1989 | { |
|
|
1990 | require_pv ("Carp"); |
|
|
1991 | |
|
|
1992 | { |
|
|
1993 | dSP; |
|
|
1994 | |
|
|
1995 | ENTER; |
|
|
1996 | SAVETMPS; |
|
|
1997 | |
|
|
1998 | PUSHMARK (SP); |
1926 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1999 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2000 | PUTBACK; |
|
|
2001 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2002 | |
|
|
2003 | FREETMPS; |
|
|
2004 | LEAVE; |
|
|
2005 | } |
|
|
2006 | } |
1927 | |
2007 | |
1928 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2008 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1929 | api_ready (aTHX_ SvRV (sv_idle)); |
2009 | api_ready (aTHX_ SvRV (sv_idle)); |
1930 | --coro_nready; |
2010 | --coro_nready; |
1931 | } |
2011 | } |
… | |
… | |
2129 | AV *od = coro->on_destroy; |
2209 | AV *od = coro->on_destroy; |
2130 | |
2210 | |
2131 | if (!od) |
2211 | if (!od) |
2132 | return; |
2212 | return; |
2133 | |
2213 | |
|
|
2214 | coro->on_destroy = 0; |
|
|
2215 | sv_2mortal ((SV *)od); |
|
|
2216 | |
2134 | while (AvFILLp (od) >= 0) |
2217 | while (AvFILLp (od) >= 0) |
2135 | { |
2218 | { |
2136 | SV *cb = sv_2mortal (av_pop (od)); |
2219 | SV *cb = sv_2mortal (av_pop (od)); |
2137 | |
2220 | |
2138 | /* coro hv's (and only hv's at the moment) are supported as well */ |
2221 | /* coro hv's (and only hv's at the moment) are supported as well */ |
… | |
… | |
2158 | |
2241 | |
2159 | static void |
2242 | static void |
2160 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2243 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2161 | { |
2244 | { |
2162 | AV *av; |
2245 | AV *av; |
2163 | |
2246 | |
2164 | if (coro->status) |
2247 | if (coro->status) |
2165 | { |
2248 | { |
2166 | av = coro->status; |
2249 | av = coro->status; |
2167 | av_clear (av); |
2250 | av_clear (av); |
2168 | } |
2251 | } |
… | |
… | |
2215 | |
2298 | |
2216 | coro = SvSTATE (arg [0]); |
2299 | coro = SvSTATE (arg [0]); |
2217 | coro_hv = coro->hv; |
2300 | coro_hv = coro->hv; |
2218 | |
2301 | |
2219 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2302 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2220 | |
2303 | |
2221 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2304 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2222 | { |
2305 | { |
2223 | /* coro currently busy cancelling something, so just notify it */ |
2306 | /* coro currently busy cancelling something, so just notify it */ |
2224 | coro->slf_frame.data = (void *)coro; |
2307 | coro->slf_frame.data = (void *)coro; |
2225 | |
2308 | |
… | |
… | |
2232 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2315 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2233 | } |
2316 | } |
2234 | else |
2317 | else |
2235 | { |
2318 | { |
2236 | struct coro *self = SvSTATE_current; |
2319 | struct coro *self = SvSTATE_current; |
|
|
2320 | |
|
|
2321 | if (!self) |
|
|
2322 | croak ("Coro::cancel called outside of thread content,"); |
2237 | |
2323 | |
2238 | /* otherwise we cancel directly, purely for speed reasons |
2324 | /* otherwise we cancel directly, purely for speed reasons |
2239 | * unfortunately, this requires some magic trickery, as |
2325 | * unfortunately, this requires some magic trickery, as |
2240 | * somebody else could cancel us, so we have to fight the cancellation. |
2326 | * somebody else could cancel us, so we have to fight the cancellation. |
2241 | * this is ugly, and hopefully fully worth the extra speed. |
2327 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2351 | else |
2437 | else |
2352 | { |
2438 | { |
2353 | av_clear (GvAV (PL_defgv)); |
2439 | av_clear (GvAV (PL_defgv)); |
2354 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2440 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2355 | |
2441 | |
|
|
2442 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2443 | { |
|
|
2444 | SWAP_SVS_LEAVE (coro); |
|
|
2445 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2446 | coro->swap_sv = 0; |
|
|
2447 | } |
|
|
2448 | |
2356 | coro->prio = 0; |
2449 | coro->prio = 0; |
2357 | |
2450 | |
2358 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2451 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2359 | api_trace (aTHX_ coro_current, 0); |
2452 | api_trace (aTHX_ coro_current, 0); |
2360 | |
2453 | |
2361 | frame->prepare = prepare_schedule; |
2454 | frame->prepare = prepare_schedule; |
2362 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2455 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2363 | } |
2456 | } |
… | |
… | |
2404 | |
2497 | |
2405 | static int |
2498 | static int |
2406 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2499 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2407 | { |
2500 | { |
2408 | SV *data = (SV *)frame->data; |
2501 | SV *data = (SV *)frame->data; |
2409 | |
2502 | |
2410 | if (CORO_THROW) |
2503 | if (CORO_THROW) |
2411 | return 0; |
2504 | return 0; |
2412 | |
2505 | |
2413 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2506 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2414 | return 1; |
2507 | return 1; |
… | |
… | |
2450 | cb = sv_2mortal (coro->rouse_cb); |
2543 | cb = sv_2mortal (coro->rouse_cb); |
2451 | coro->rouse_cb = 0; |
2544 | coro->rouse_cb = 0; |
2452 | } |
2545 | } |
2453 | |
2546 | |
2454 | if (!SvROK (cb) |
2547 | if (!SvROK (cb) |
2455 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2548 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2456 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2549 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2457 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2550 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2458 | |
2551 | |
2459 | { |
2552 | { |
2460 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2553 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2583 | |
2676 | |
2584 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2677 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2585 | static void |
2678 | static void |
2586 | slf_destroy (pTHX_ struct coro *coro) |
2679 | slf_destroy (pTHX_ struct coro *coro) |
2587 | { |
2680 | { |
2588 | /* this callback is reserved for slf functions needing to do cleanup */ |
2681 | struct CoroSLF frame = coro->slf_frame; |
2589 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2590 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2591 | |
2682 | |
2592 | /* |
2683 | /* |
2593 | * The on_destroy above most likely is from an SLF call. |
2684 | * The on_destroy below most likely is from an SLF call. |
2594 | * Since by definition the SLF call will not finish when we destroy |
2685 | * Since by definition the SLF call will not finish when we destroy |
2595 | * the coro, we will have to force-finish it here, otherwise |
2686 | * the coro, we will have to force-finish it here, otherwise |
2596 | * cleanup functions cannot call SLF functions. |
2687 | * cleanup functions cannot call SLF functions. |
2597 | */ |
2688 | */ |
2598 | coro->slf_frame.prepare = 0; |
2689 | coro->slf_frame.prepare = 0; |
|
|
2690 | |
|
|
2691 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2692 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2693 | frame.destroy (aTHX_ &frame); |
2599 | } |
2694 | } |
2600 | |
2695 | |
2601 | /* |
2696 | /* |
2602 | * these not obviously related functions are all rolled into one |
2697 | * these not obviously related functions are all rolled into one |
2603 | * function to increase chances that they all will call transfer with the same |
2698 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2786 | static void |
2881 | static void |
2787 | coro_pop_on_leave (pTHX_ void *coro) |
2882 | coro_pop_on_leave (pTHX_ void *coro) |
2788 | { |
2883 | { |
2789 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2884 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2790 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2885 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2886 | } |
|
|
2887 | |
|
|
2888 | static void |
|
|
2889 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2890 | { |
|
|
2891 | if (!hook) |
|
|
2892 | return; |
|
|
2893 | |
|
|
2894 | if (!*avp) |
|
|
2895 | { |
|
|
2896 | *avp = newAV (); |
|
|
2897 | AvREAL_off (*avp); |
|
|
2898 | } |
|
|
2899 | |
|
|
2900 | av_push (*avp, (SV *)hook); |
|
|
2901 | av_push (*avp, (SV *)arg); |
|
|
2902 | } |
|
|
2903 | |
|
|
2904 | static void |
|
|
2905 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2906 | { |
|
|
2907 | AV *av = *avp; |
|
|
2908 | int i; |
|
|
2909 | |
|
|
2910 | if (!av) |
|
|
2911 | return; |
|
|
2912 | |
|
|
2913 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2914 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2915 | { |
|
|
2916 | if (execute) |
|
|
2917 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2918 | |
|
|
2919 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2920 | av_pop (av); |
|
|
2921 | av_pop (av); |
|
|
2922 | break; |
|
|
2923 | } |
|
|
2924 | |
|
|
2925 | if (AvFILLp (av) >= 0) |
|
|
2926 | { |
|
|
2927 | *avp = 0; |
|
|
2928 | SvREFCNT_dec_NN (av); |
|
|
2929 | } |
|
|
2930 | } |
|
|
2931 | |
|
|
2932 | static void |
|
|
2933 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2934 | { |
|
|
2935 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2936 | |
|
|
2937 | if (SvSTATE_current == coro) |
|
|
2938 | if (enter) |
|
|
2939 | enter (aTHX_ enter_arg); |
|
|
2940 | |
|
|
2941 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2942 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2943 | } |
|
|
2944 | |
|
|
2945 | static void |
|
|
2946 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2947 | { |
|
|
2948 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2949 | |
|
|
2950 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2951 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2952 | } |
|
|
2953 | |
|
|
2954 | static void |
|
|
2955 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2956 | { |
|
|
2957 | struct coro *coro = SvSTATE_current; |
|
|
2958 | |
|
|
2959 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2960 | } |
|
|
2961 | |
|
|
2962 | static void |
|
|
2963 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2964 | { |
|
|
2965 | struct coro *coro = SvSTATE_current; |
|
|
2966 | |
|
|
2967 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | static void |
|
|
2971 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2972 | { |
|
|
2973 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2974 | |
|
|
2975 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2976 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2977 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2791 | } |
2978 | } |
2792 | |
2979 | |
2793 | /*****************************************************************************/ |
2980 | /*****************************************************************************/ |
2794 | /* PerlIO::cede */ |
2981 | /* PerlIO::cede */ |
2795 | |
2982 | |
… | |
… | |
2925 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3112 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2926 | PUTBACK; |
3113 | PUTBACK; |
2927 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3114 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2928 | } |
3115 | } |
2929 | |
3116 | |
2930 | SvREFCNT_dec (cb); |
3117 | SvREFCNT_dec_NN (cb); |
2931 | } |
3118 | } |
2932 | } |
3119 | } |
2933 | |
3120 | |
2934 | static void |
3121 | static void |
2935 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3122 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2943 | { |
3130 | { |
2944 | AV *av = (AV *)frame->data; |
3131 | AV *av = (AV *)frame->data; |
2945 | SV *count_sv = AvARRAY (av)[0]; |
3132 | SV *count_sv = AvARRAY (av)[0]; |
2946 | SV *coro_hv = SvRV (coro_current); |
3133 | SV *coro_hv = SvRV (coro_current); |
2947 | |
3134 | |
|
|
3135 | frame->destroy = 0; |
|
|
3136 | |
2948 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3137 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2949 | if (CORO_THROW) |
3138 | if (ecb_expect_false (CORO_THROW)) |
|
|
3139 | { |
|
|
3140 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3141 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3142 | |
2950 | return 0; |
3143 | return 0; |
|
|
3144 | } |
2951 | else if (SvIVX (count_sv) > 0) |
3145 | else if (SvIVX (count_sv) > 0) |
2952 | { |
3146 | { |
2953 | frame->destroy = 0; |
|
|
2954 | |
|
|
2955 | if (acquire) |
3147 | if (acquire) |
2956 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3148 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2957 | else |
3149 | else |
2958 | coro_semaphore_adjust (aTHX_ av, 0); |
3150 | coro_semaphore_adjust (aTHX_ av, 0); |
2959 | |
3151 | |
… | |
… | |
3070 | { |
3262 | { |
3071 | api_ready (aTHX_ cb); |
3263 | api_ready (aTHX_ cb); |
3072 | sv_setiv (cb, 0); /* signal waiter */ |
3264 | sv_setiv (cb, 0); /* signal waiter */ |
3073 | } |
3265 | } |
3074 | |
3266 | |
3075 | SvREFCNT_dec (cb); |
3267 | SvREFCNT_dec_NN (cb); |
3076 | |
3268 | |
3077 | --count; |
3269 | --count; |
3078 | } |
3270 | } |
3079 | } |
3271 | } |
3080 | |
3272 | |
… | |
… | |
3165 | } |
3357 | } |
3166 | |
3358 | |
3167 | av_push (state, data_sv); |
3359 | av_push (state, data_sv); |
3168 | |
3360 | |
3169 | api_ready (aTHX_ coro); |
3361 | api_ready (aTHX_ coro); |
3170 | SvREFCNT_dec (coro); |
3362 | SvREFCNT_dec_NN (coro); |
3171 | SvREFCNT_dec ((AV *)state); |
3363 | SvREFCNT_dec_NN ((AV *)state); |
3172 | } |
3364 | } |
3173 | |
3365 | |
3174 | static int |
3366 | static int |
3175 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3367 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3176 | { |
3368 | { |
… | |
… | |
3181 | /* it quickly returns */ |
3373 | /* it quickly returns */ |
3182 | if (CORO_THROW) |
3374 | if (CORO_THROW) |
3183 | return 0; |
3375 | return 0; |
3184 | |
3376 | |
3185 | /* one element that is an RV? repeat! */ |
3377 | /* one element that is an RV? repeat! */ |
3186 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3378 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3187 | return 1; |
3379 | return 1; |
3188 | |
3380 | |
3189 | /* restore status */ |
3381 | /* restore status */ |
3190 | { |
3382 | { |
3191 | SV *data_sv = av_pop (state); |
3383 | SV *data_sv = av_pop (state); |
… | |
… | |
3194 | errno = data->errorno; |
3386 | errno = data->errorno; |
3195 | PL_laststype = data->laststype; |
3387 | PL_laststype = data->laststype; |
3196 | PL_laststatval = data->laststatval; |
3388 | PL_laststatval = data->laststatval; |
3197 | PL_statcache = data->statcache; |
3389 | PL_statcache = data->statcache; |
3198 | |
3390 | |
3199 | SvREFCNT_dec (data_sv); |
3391 | SvREFCNT_dec_NN (data_sv); |
3200 | } |
3392 | } |
3201 | |
3393 | |
3202 | /* push result values */ |
3394 | /* push result values */ |
3203 | { |
3395 | { |
3204 | dSP; |
3396 | dSP; |
… | |
… | |
3381 | int count; |
3573 | int count; |
3382 | |
3574 | |
3383 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3575 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3384 | |
3576 | |
3385 | PUSHMARK (SP); |
3577 | PUSHMARK (SP); |
3386 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3578 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3387 | # include "state.h" |
3579 | #include "state.h" |
3388 | #undef VARx |
|
|
3389 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3580 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3390 | SPAGAIN; |
3581 | SPAGAIN; |
3391 | |
3582 | |
3392 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3583 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3393 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3584 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
… | |
… | |
3420 | |
3611 | |
3421 | PROTOTYPES: DISABLE |
3612 | PROTOTYPES: DISABLE |
3422 | |
3613 | |
3423 | BOOT: |
3614 | BOOT: |
3424 | { |
3615 | { |
|
|
3616 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3617 | #include "state.h" |
3425 | #ifdef USE_ITHREADS |
3618 | #ifdef USE_ITHREADS |
3426 | # if CORO_PTHREAD |
3619 | # if CORO_PTHREAD |
3427 | coro_thx = PERL_GET_CONTEXT; |
3620 | coro_thx = PERL_GET_CONTEXT; |
3428 | # endif |
3621 | # endif |
3429 | #endif |
3622 | #endif |
3430 | BOOT_PAGESIZE; |
|
|
3431 | |
|
|
3432 | /* perl defines these to check for existance first, but why it doesn't */ |
3623 | /* perl defines these to check for existance first, but why it doesn't */ |
3433 | /* just create them one at init time is not clear to me, except for */ |
3624 | /* just create them one at init time is not clear to me, except for */ |
3434 | /* programs trying to delete them, but... */ |
3625 | /* programs trying to delete them, but... */ |
3435 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3626 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3436 | DEFSV; |
3627 | DEFSV; |
… | |
… | |
3439 | cctx_current = cctx_new_empty (); |
3630 | cctx_current = cctx_new_empty (); |
3440 | |
3631 | |
3441 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3632 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3442 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3633 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3443 | |
3634 | |
3444 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3635 | { |
3445 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3636 | /* |
3446 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3637 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3638 | * by coro_sig_vtbl in hash values. |
|
|
3639 | */ |
|
|
3640 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3641 | |
|
|
3642 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3643 | assert (!mg->mg_virtual); |
|
|
3644 | |
|
|
3645 | /* |
|
|
3646 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3647 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3648 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3649 | * them. |
|
|
3650 | */ |
|
|
3651 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3652 | mg->mg_flags |= MGf_COPY; |
|
|
3653 | |
|
|
3654 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3655 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3656 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3657 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3658 | } |
3447 | |
3659 | |
3448 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3449 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3660 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3450 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3661 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3451 | |
3662 | |
3452 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3663 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3453 | |
3664 | |
… | |
… | |
3506 | void |
3717 | void |
3507 | transfer (...) |
3718 | transfer (...) |
3508 | PROTOTYPE: $$ |
3719 | PROTOTYPE: $$ |
3509 | CODE: |
3720 | CODE: |
3510 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3721 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3511 | |
|
|
3512 | void |
|
|
3513 | _exit (int code) |
|
|
3514 | PROTOTYPE: $ |
|
|
3515 | CODE: |
|
|
3516 | _exit (code); |
|
|
3517 | |
3722 | |
3518 | SV * |
3723 | SV * |
3519 | clone (Coro::State coro) |
3724 | clone (Coro::State coro) |
3520 | CODE: |
3725 | CODE: |
3521 | { |
3726 | { |
… | |
… | |
3576 | void |
3781 | void |
3577 | list () |
3782 | list () |
3578 | PROTOTYPE: |
3783 | PROTOTYPE: |
3579 | PPCODE: |
3784 | PPCODE: |
3580 | { |
3785 | { |
3581 | struct coro *coro; |
3786 | struct coro *coro; |
3582 | for (coro = coro_first; coro; coro = coro->next) |
3787 | for (coro = coro_first; coro; coro = coro->next) |
3583 | if (coro->hv) |
3788 | if (coro->hv) |
3584 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3789 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3585 | } |
3790 | } |
3586 | |
3791 | |
… | |
… | |
3650 | RETVAL = boolSV (coro->flags & ix); |
3855 | RETVAL = boolSV (coro->flags & ix); |
3651 | OUTPUT: |
3856 | OUTPUT: |
3652 | RETVAL |
3857 | RETVAL |
3653 | |
3858 | |
3654 | void |
3859 | void |
3655 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3860 | throw (SV *self, SV *exception = &PL_sv_undef) |
3656 | PROTOTYPE: $;$ |
3861 | PROTOTYPE: $;$ |
3657 | CODE: |
3862 | CODE: |
3658 | { |
3863 | { |
|
|
3864 | struct coro *coro = SvSTATE (self); |
3659 | struct coro *current = SvSTATE_current; |
3865 | struct coro *current = SvSTATE_current; |
3660 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3866 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3661 | SvREFCNT_dec (*exceptionp); |
3867 | SvREFCNT_dec (*exceptionp); |
3662 | SvGETMAGIC (exception); |
3868 | SvGETMAGIC (exception); |
3663 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3869 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3870 | |
|
|
3871 | api_ready (aTHX_ self); |
3664 | } |
3872 | } |
3665 | |
3873 | |
3666 | void |
3874 | void |
3667 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3875 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3668 | PROTOTYPE: $;$ |
3876 | PROTOTYPE: $;$ |
… | |
… | |
3745 | |
3953 | |
3746 | void |
3954 | void |
3747 | times (Coro::State self) |
3955 | times (Coro::State self) |
3748 | PPCODE: |
3956 | PPCODE: |
3749 | { |
3957 | { |
3750 | struct coro *current = SvSTATE (coro_current); |
3958 | struct coro *current = SvSTATE (coro_current); |
3751 | |
3959 | |
3752 | if (ecb_expect_false (current == self)) |
3960 | if (ecb_expect_false (current == self)) |
3753 | { |
3961 | { |
3754 | coro_times_update (); |
3962 | coro_times_update (); |
3755 | coro_times_add (SvSTATE (coro_current)); |
3963 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3762 | if (ecb_expect_false (current == self)) |
3970 | if (ecb_expect_false (current == self)) |
3763 | coro_times_sub (SvSTATE (coro_current)); |
3971 | coro_times_sub (SvSTATE (coro_current)); |
3764 | } |
3972 | } |
3765 | |
3973 | |
3766 | void |
3974 | void |
3767 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3975 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3768 | CODE: |
3976 | CODE: |
3769 | { |
3977 | { |
3770 | struct coro *current = SvSTATE_current; |
3978 | struct coro *current = SvSTATE_current; |
|
|
3979 | AV *swap_sv; |
|
|
3980 | int i; |
|
|
3981 | |
|
|
3982 | sva = SvRV (sva); |
|
|
3983 | svb = SvRV (svb); |
3771 | |
3984 | |
3772 | if (current == coro) |
3985 | if (current == coro) |
3773 | SWAP_SVS (current); |
3986 | SWAP_SVS_LEAVE (current); |
3774 | |
3987 | |
3775 | if (!coro->swap_sv) |
3988 | if (!coro->swap_sv) |
3776 | coro->swap_sv = newAV (); |
3989 | coro->swap_sv = newAV (); |
3777 | |
3990 | |
|
|
3991 | swap_sv = coro->swap_sv; |
|
|
3992 | |
|
|
3993 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3994 | { |
|
|
3995 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3996 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
3997 | |
|
|
3998 | if (a == sva && b == svb) |
|
|
3999 | { |
|
|
4000 | SvREFCNT_dec_NN (a); |
|
|
4001 | SvREFCNT_dec_NN (b); |
|
|
4002 | |
|
|
4003 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4004 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4005 | |
|
|
4006 | AvFILLp (swap_sv) -= 2; |
|
|
4007 | |
|
|
4008 | goto removed; |
|
|
4009 | } |
|
|
4010 | } |
|
|
4011 | |
3778 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4012 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3779 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4013 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4014 | |
|
|
4015 | removed: |
3780 | |
4016 | |
3781 | if (current == coro) |
4017 | if (current == coro) |
3782 | SWAP_SVS (current); |
4018 | SWAP_SVS_ENTER (current); |
3783 | } |
4019 | } |
3784 | |
4020 | |
3785 | |
4021 | |
3786 | MODULE = Coro::State PACKAGE = Coro |
4022 | MODULE = Coro::State PACKAGE = Coro |
3787 | |
4023 | |
3788 | BOOT: |
4024 | BOOT: |
3789 | { |
4025 | { |
|
|
4026 | if (SVt_LAST > 32) |
|
|
4027 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4028 | |
3790 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4029 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3791 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4030 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3792 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4031 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3793 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4032 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3794 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4033 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3798 | |
4037 | |
3799 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4038 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3800 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4039 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3801 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4040 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3802 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4041 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3803 | |
4042 | |
3804 | coro_stash = gv_stashpv ("Coro", TRUE); |
4043 | coro_stash = gv_stashpv ("Coro", TRUE); |
3805 | |
4044 | |
3806 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4045 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3807 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4046 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3808 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4047 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3820 | coroapi.ready = api_ready; |
4059 | coroapi.ready = api_ready; |
3821 | coroapi.is_ready = api_is_ready; |
4060 | coroapi.is_ready = api_is_ready; |
3822 | coroapi.nready = coro_nready; |
4061 | coroapi.nready = coro_nready; |
3823 | coroapi.current = coro_current; |
4062 | coroapi.current = coro_current; |
3824 | |
4063 | |
|
|
4064 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4065 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4066 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4067 | |
3825 | /*GCoroAPI = &coroapi;*/ |
4068 | /*GCoroAPI = &coroapi;*/ |
3826 | sv_setiv (sv, (IV)&coroapi); |
4069 | sv_setiv (sv, (IV)&coroapi); |
3827 | SvREADONLY_on (sv); |
4070 | SvREADONLY_on (sv); |
3828 | } |
4071 | } |
3829 | } |
4072 | } |
… | |
… | |
3894 | |
4137 | |
3895 | void |
4138 | void |
3896 | _set_current (SV *current) |
4139 | _set_current (SV *current) |
3897 | PROTOTYPE: $ |
4140 | PROTOTYPE: $ |
3898 | CODE: |
4141 | CODE: |
3899 | SvREFCNT_dec (SvRV (coro_current)); |
4142 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3900 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4143 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3901 | |
4144 | |
3902 | void |
4145 | void |
3903 | _set_readyhook (SV *hook) |
4146 | _set_readyhook (SV *hook) |
3904 | PROTOTYPE: $ |
4147 | PROTOTYPE: $ |
… | |
… | |
3988 | |
4231 | |
3989 | if ((SV *)hv == &PL_sv_undef) |
4232 | if ((SV *)hv == &PL_sv_undef) |
3990 | { |
4233 | { |
3991 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4234 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3992 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4235 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3993 | SvREFCNT_dec (sv); |
4236 | SvREFCNT_dec_NN (sv); |
3994 | } |
4237 | } |
3995 | |
4238 | |
3996 | { |
4239 | { |
3997 | struct coro *coro = SvSTATE_hv (hv); |
4240 | struct coro *coro = SvSTATE_hv (hv); |
3998 | |
4241 | |
… | |
… | |
4005 | api_ready (aTHX_ (SV *)hv); |
4248 | api_ready (aTHX_ (SV *)hv); |
4006 | |
4249 | |
4007 | if (GIMME_V != G_VOID) |
4250 | if (GIMME_V != G_VOID) |
4008 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4251 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4009 | else |
4252 | else |
4010 | SvREFCNT_dec (hv); |
4253 | SvREFCNT_dec_NN (hv); |
4011 | } |
4254 | } |
4012 | |
4255 | |
4013 | SV * |
4256 | SV * |
4014 | rouse_cb () |
4257 | rouse_cb () |
4015 | PROTOTYPE: |
4258 | PROTOTYPE: |
… | |
… | |
4030 | on_leave = 1 |
4273 | on_leave = 1 |
4031 | PROTOTYPE: & |
4274 | PROTOTYPE: & |
4032 | CODE: |
4275 | CODE: |
4033 | { |
4276 | { |
4034 | struct coro *coro = SvSTATE_current; |
4277 | struct coro *coro = SvSTATE_current; |
4035 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4278 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4036 | |
4279 | |
4037 | block = s_get_cv_croak (block); |
4280 | block = s_get_cv_croak (block); |
4038 | |
4281 | |
4039 | if (!*avp) |
4282 | if (!*avp) |
4040 | *avp = newAV (); |
4283 | *avp = newAV (); |
… | |
… | |
4060 | |
4303 | |
4061 | SV * |
4304 | SV * |
4062 | new (SV *klass, SV *count = 0) |
4305 | new (SV *klass, SV *count = 0) |
4063 | CODE: |
4306 | CODE: |
4064 | { |
4307 | { |
4065 | int semcnt = 1; |
4308 | int semcnt = 1; |
4066 | |
4309 | |
4067 | if (count) |
4310 | if (count) |
4068 | { |
4311 | { |
4069 | SvGETMAGIC (count); |
4312 | SvGETMAGIC (count); |
4070 | |
4313 | |
… | |
… | |
4094 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4337 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4095 | OUTPUT: |
4338 | OUTPUT: |
4096 | RETVAL |
4339 | RETVAL |
4097 | |
4340 | |
4098 | void |
4341 | void |
4099 | up (SV *self, int adjust = 1) |
4342 | up (SV *self) |
4100 | ALIAS: |
|
|
4101 | adjust = 1 |
|
|
4102 | CODE: |
4343 | CODE: |
|
|
4344 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4345 | |
|
|
4346 | void |
|
|
4347 | adjust (SV *self, int adjust) |
|
|
4348 | CODE: |
4103 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4349 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4104 | |
4350 | |
4105 | void |
4351 | void |
4106 | down (...) |
4352 | down (...) |
4107 | CODE: |
4353 | CODE: |
4108 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4354 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4130 | XSRETURN_NO; |
4376 | XSRETURN_NO; |
4131 | } |
4377 | } |
4132 | |
4378 | |
4133 | void |
4379 | void |
4134 | waiters (SV *self) |
4380 | waiters (SV *self) |
4135 | PPCODE: |
4381 | PPCODE: |
4136 | { |
4382 | { |
4137 | AV *av = (AV *)SvRV (self); |
4383 | AV *av = (AV *)SvRV (self); |
4138 | int wcount = AvFILLp (av) + 1 - 1; |
4384 | int wcount = AvFILLp (av) + 1 - 1; |
4139 | |
4385 | |
4140 | if (GIMME_V == G_SCALAR) |
4386 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4152 | |
4398 | |
4153 | void |
4399 | void |
4154 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4400 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4155 | PPCODE: |
4401 | PPCODE: |
4156 | { |
4402 | { |
4157 | AV *av = (AV *)SvRV (sem); |
4403 | AV *av = (AV *)SvRV (sem); |
4158 | |
4404 | |
4159 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4405 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4160 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4406 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4161 | && SvIV (AvARRAY (av)[0]) == count) |
4407 | && SvIV (AvARRAY (av)[0]) == count) |
4162 | XSRETURN_YES; |
4408 | XSRETURN_YES; |
… | |
… | |
4183 | |
4429 | |
4184 | void |
4430 | void |
4185 | broadcast (SV *self) |
4431 | broadcast (SV *self) |
4186 | CODE: |
4432 | CODE: |
4187 | { |
4433 | { |
4188 | AV *av = (AV *)SvRV (self); |
4434 | AV *av = (AV *)SvRV (self); |
4189 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4435 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4190 | } |
4436 | } |
4191 | |
4437 | |
4192 | void |
4438 | void |
4193 | send (SV *self) |
4439 | send (SV *self) |
… | |
… | |
4201 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4447 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4202 | } |
4448 | } |
4203 | |
4449 | |
4204 | IV |
4450 | IV |
4205 | awaited (SV *self) |
4451 | awaited (SV *self) |
4206 | CODE: |
4452 | CODE: |
4207 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4453 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4208 | OUTPUT: |
4454 | OUTPUT: |
4209 | RETVAL |
4455 | RETVAL |
4210 | |
4456 | |
4211 | |
4457 | |
… | |
… | |
4216 | |
4462 | |
4217 | void |
4463 | void |
4218 | _schedule (...) |
4464 | _schedule (...) |
4219 | CODE: |
4465 | CODE: |
4220 | { |
4466 | { |
4221 | static int incede; |
4467 | static int incede; |
4222 | |
4468 | |
4223 | api_cede_notself (aTHX); |
4469 | api_cede_notself (aTHX); |
4224 | |
4470 | |
4225 | ++incede; |
4471 | ++incede; |
4226 | while (coro_nready >= incede && api_cede (aTHX)) |
4472 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4270 | { |
4516 | { |
4271 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4517 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4272 | coro_old_pp_sselect = 0; |
4518 | coro_old_pp_sselect = 0; |
4273 | } |
4519 | } |
4274 | |
4520 | |
|
|
4521 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4522 | |
|
|
4523 | void |
|
|
4524 | _exit (int code) |
|
|
4525 | CODE: |
|
|
4526 | _exit (code); |
|
|
4527 | |
|
|
4528 | NV |
|
|
4529 | time () |
|
|
4530 | CODE: |
|
|
4531 | RETVAL = nvtime (aTHX); |
|
|
4532 | OUTPUT: |
|
|
4533 | RETVAL |
|
|
4534 | |
|
|
4535 | NV |
|
|
4536 | gettimeofday () |
|
|
4537 | PPCODE: |
|
|
4538 | { |
|
|
4539 | UV tv [2]; |
|
|
4540 | u2time (aTHX_ tv); |
|
|
4541 | EXTEND (SP, 2); |
|
|
4542 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4543 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4544 | } |
|
|
4545 | |