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 | |
|
|
8 | #if CORO_UCONTEXT |
|
|
9 | #define CORO_BACKEND "ucontext" |
|
|
10 | #elif CORO_SJLJ |
|
|
11 | #define CORO_BACKEND "sjlj" |
|
|
12 | #elif CORO_LINUX |
|
|
13 | #define CORO_BACKEND "linux" |
|
|
14 | #elif CORO_LOSER |
|
|
15 | #define CORO_BACKEND "loser" |
|
|
16 | #elif CORO_FIBER |
|
|
17 | #define CORO_BACKEND "fiber" |
|
|
18 | #elif CORO_IRIX |
|
|
19 | #define CORO_BACKEND "irix" |
|
|
20 | #elif CORO_ASM |
|
|
21 | #define CORO_BACKEND "asm" |
|
|
22 | #elif CORO_PTHREAD |
|
|
23 | #define CORO_BACKEND "pthread" |
|
|
24 | #else |
|
|
25 | #define CORO_BACKEND "unknown" |
|
|
26 | #endif |
7 | |
27 | |
8 | #define PERL_NO_GET_CONTEXT |
28 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
29 | #define PERL_EXT |
10 | |
30 | |
11 | #include "EXTERN.h" |
31 | #include "EXTERN.h" |
12 | #include "perl.h" |
32 | #include "perl.h" |
13 | #include "XSUB.h" |
33 | #include "XSUB.h" |
14 | #include "perliol.h" |
34 | #include "perliol.h" |
15 | |
35 | |
16 | #include "schmorp.h" |
36 | #include "schmorp.h" |
|
|
37 | |
|
|
38 | #define ECB_NO_THREADS 1 |
|
|
39 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
40 | #include "ecb.h" |
18 | |
41 | |
19 | #include <stddef.h> |
42 | #include <stddef.h> |
20 | #include <stdio.h> |
43 | #include <stdio.h> |
21 | #include <errno.h> |
44 | #include <errno.h> |
22 | #include <assert.h> |
45 | #include <assert.h> |
23 | |
46 | |
|
|
47 | #ifndef SvREFCNT_dec_NN |
|
|
48 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
49 | #endif |
|
|
50 | |
|
|
51 | #ifndef SvREFCNT_inc_NN |
|
|
52 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
53 | #endif |
|
|
54 | |
24 | #ifndef SVs_PADSTALE |
55 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
56 | # define SVs_PADSTALE 0 |
|
|
57 | #endif |
|
|
58 | |
|
|
59 | #ifdef PadARRAY |
|
|
60 | # define NEWPADAPI 1 |
|
|
61 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
62 | #else |
|
|
63 | typedef AV PADNAMELIST; |
|
|
64 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
65 | typedef AV PADLIST; |
|
|
66 | typedef AV PAD; |
|
|
67 | # endif |
|
|
68 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
69 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
70 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
71 | # define PadARRAY AvARRAY |
|
|
72 | # define PadMAX AvFILLp |
|
|
73 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
|
|
74 | #endif |
|
|
75 | #ifndef PadnamelistREFCNT |
|
|
76 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
|
|
77 | #endif |
|
|
78 | #ifndef PadnamelistREFCNT_dec |
|
|
79 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
|
|
80 | #endif |
|
|
81 | |
|
|
82 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
|
|
83 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
|
|
84 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
|
85 | # define SVt_BIND SVt_IV |
26 | #endif |
86 | #endif |
27 | |
87 | |
28 | #if defined(_WIN32) |
88 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
89 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
90 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
93 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
94 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
95 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
96 | #endif |
37 | |
97 | |
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 */ |
98 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
99 | static int cctx_max_idle = 4; |
67 | |
100 | |
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
101 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # define HAS_SCOPESTACK_NAME 1 |
102 | # 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 |
103 | #endif |
79 | |
104 | |
80 | /* prefer perl internal functions over our own? */ |
105 | /* prefer perl internal functions over our own? */ |
81 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
106 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
82 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
107 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
101 | # if CORO_PTHREAD |
126 | # if CORO_PTHREAD |
102 | static void *coro_thx; |
127 | static void *coro_thx; |
103 | # endif |
128 | # endif |
104 | #endif |
129 | #endif |
105 | |
130 | |
106 | /* used in state.h */ |
|
|
107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
|
|
108 | |
|
|
109 | #ifdef __linux |
131 | #ifdef __linux |
110 | # include <time.h> /* for timespec */ |
132 | # include <time.h> /* for timespec */ |
111 | # include <syscall.h> /* for SYS_* */ |
133 | # include <syscall.h> /* for SYS_* */ |
112 | # ifdef SYS_clock_gettime |
134 | # ifdef SYS_clock_gettime |
113 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
135 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
114 | # define CORO_CLOCK_MONOTONIC 1 |
136 | # define CORO_CLOCK_MONOTONIC 1 |
115 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
137 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
116 | # endif |
138 | # endif |
117 | #endif |
139 | #endif |
118 | |
140 | |
|
|
141 | /* one off bugfix for perl 5.22 */ |
|
|
142 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
|
|
143 | # undef PadlistNAMES |
|
|
144 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
|
|
145 | #endif |
|
|
146 | |
|
|
147 | #if PERL_VERSION_ATLEAST(5,24,0) |
|
|
148 | # define SUB_ARGARRAY PL_curpad[0] |
|
|
149 | #else |
|
|
150 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
|
|
151 | #endif |
|
|
152 | |
|
|
153 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
|
|
154 | #if 0 |
|
|
155 | # undef NDEBUG |
|
|
156 | # include <assert.h> |
|
|
157 | #endif |
|
|
158 | |
119 | static double (*nvtime)(); /* so why doesn't it take void? */ |
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
120 | static void (*u2time)(pTHX_ UV ret[2]); |
160 | static void (*u2time)(pTHX_ UV ret[2]); |
121 | |
161 | |
122 | /* we hijack an hopefully unused CV flag for our purposes */ |
162 | /* we hijack an hopefully unused CV flag for our purposes */ |
123 | #define CVf_SLF 0x4000 |
163 | #define CVf_SLF 0x4000 |
… | |
… | |
138 | |
178 | |
139 | static GV *irsgv; /* $/ */ |
179 | static GV *irsgv; /* $/ */ |
140 | static GV *stdoutgv; /* *STDOUT */ |
180 | static GV *stdoutgv; /* *STDOUT */ |
141 | static SV *rv_diehook; |
181 | static SV *rv_diehook; |
142 | static SV *rv_warnhook; |
182 | static SV *rv_warnhook; |
143 | static HV *hv_sig; /* %SIG */ |
|
|
144 | |
183 | |
145 | /* async_pool helper stuff */ |
184 | /* async_pool helper stuff */ |
146 | static SV *sv_pool_rss; |
185 | static SV *sv_pool_rss; |
147 | static SV *sv_pool_size; |
186 | static SV *sv_pool_size; |
148 | static SV *sv_async_pool_idle; /* description string */ |
187 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
176 | typedef struct coro_cctx |
215 | typedef struct coro_cctx |
177 | { |
216 | { |
178 | struct coro_cctx *next; |
217 | struct coro_cctx *next; |
179 | |
218 | |
180 | /* the stack */ |
219 | /* the stack */ |
181 | void *sptr; |
220 | struct coro_stack stack; |
182 | size_t ssize; |
|
|
183 | |
221 | |
184 | /* cpu state */ |
222 | /* cpu state */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
223 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
224 | #ifndef NDEBUG |
186 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
225 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
226 | #endif |
187 | JMPENV *top_env; |
227 | JMPENV *top_env; |
188 | coro_context cctx; |
228 | coro_context cctx; |
189 | |
229 | |
190 | U32 gen; |
230 | U32 gen; |
191 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
… | |
… | |
211 | }; |
251 | }; |
212 | |
252 | |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
253 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | typedef struct |
254 | typedef struct |
215 | { |
255 | { |
216 | #define VARx(name,expr,type) type name; |
256 | #define VARx(name,expr,type) type name; |
217 | # include "state.h" |
257 | #include "state.h" |
218 | #undef VARx |
|
|
219 | } perl_slots; |
258 | } perl_slots; |
220 | |
259 | |
221 | /* how many context stack entries do we need for perl_slots */ |
260 | /* 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)) |
261 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | |
262 | |
… | |
… | |
244 | int usecount; /* number of transfers to this coro */ |
283 | int usecount; /* number of transfers to this coro */ |
245 | |
284 | |
246 | /* coro process data */ |
285 | /* coro process data */ |
247 | int prio; |
286 | int prio; |
248 | SV *except; /* exception to be thrown */ |
287 | SV *except; /* exception to be thrown */ |
249 | SV *rouse_cb; /* last rouse callback */ |
288 | SV *rouse_cb; /* most recently created rouse callback */ |
250 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
289 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
251 | AV *status; /* the exit status list */ |
290 | AV *status; /* the exit status list */ |
252 | |
291 | |
253 | /* async_pool */ |
292 | /* async_pool */ |
254 | SV *saved_deffh; |
293 | SV *saved_deffh; |
255 | SV *invoke_cb; |
294 | SV *invoke_cb; |
256 | AV *invoke_av; |
295 | AV *invoke_av; |
257 | |
296 | |
258 | /* on_enter/on_leave */ |
297 | /* on_enter/on_leave */ |
259 | AV *on_enter; |
298 | AV *on_enter; AV *on_enter_xs; |
260 | AV *on_leave; |
299 | AV *on_leave; AV *on_leave_xs; |
261 | |
300 | |
262 | /* swap_sv */ |
301 | /* swap_sv */ |
263 | AV *swap_sv; |
302 | AV *swap_sv; |
264 | |
303 | |
265 | /* times */ |
304 | /* times */ |
… | |
… | |
295 | #define coro_nready coroapi.nready |
334 | #define coro_nready coroapi.nready |
296 | |
335 | |
297 | /** JIT *********************************************************************/ |
336 | /** JIT *********************************************************************/ |
298 | |
337 | |
299 | #if CORO_JIT |
338 | #if CORO_JIT |
300 | /* APPLE doesn't have HAVE_MMAP though */ |
339 | /* APPLE doesn't have mmap though */ |
301 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
340 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
302 | #ifndef CORO_JIT_TYPE |
341 | #ifndef CORO_JIT_TYPE |
303 | #if __x86_64 && CORO_JIT_UNIXY |
342 | #if ECB_AMD64 && CORO_JIT_UNIXY |
304 | #define CORO_JIT_TYPE "amd64-unix" |
343 | #define CORO_JIT_TYPE "amd64-unix" |
305 | #elif __i386 && CORO_JIT_UNIXY |
344 | #elif __i386 && CORO_JIT_UNIXY |
306 | #define CORO_JIT_TYPE "x86-unix" |
345 | #define CORO_JIT_TYPE "x86-unix" |
307 | #endif |
346 | #endif |
308 | #endif |
347 | #endif |
309 | #endif |
348 | #endif |
310 | |
349 | |
311 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
350 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
312 | #undef CORO_JIT |
351 | #undef CORO_JIT |
313 | #endif |
352 | #endif |
314 | |
353 | |
315 | #if CORO_JIT |
354 | #if CORO_JIT |
316 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
355 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
… | |
… | |
373 | time_init (pTHX) |
412 | time_init (pTHX) |
374 | { |
413 | { |
375 | SV **svp; |
414 | SV **svp; |
376 | |
415 | |
377 | require_pv ("Time/HiRes.pm"); |
416 | require_pv ("Time/HiRes.pm"); |
378 | |
417 | |
379 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
418 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
380 | |
419 | |
381 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
420 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
382 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
421 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
383 | |
422 | |
… | |
… | |
501 | |
540 | |
502 | return 0; |
541 | return 0; |
503 | } |
542 | } |
504 | |
543 | |
505 | ecb_inline struct coro * |
544 | ecb_inline struct coro * |
506 | SvSTATE_ (pTHX_ SV *coro) |
545 | SvSTATE_ (pTHX_ SV *coro_sv) |
507 | { |
546 | { |
508 | MAGIC *mg; |
547 | MAGIC *mg; |
509 | |
548 | |
510 | if (SvROK (coro)) |
549 | if (SvROK (coro_sv)) |
511 | coro = SvRV (coro); |
550 | coro_sv = SvRV (coro_sv); |
512 | |
551 | |
513 | mg = SvSTATEhv_p (aTHX_ coro); |
552 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
514 | if (!mg) |
553 | if (!mg) |
515 | croak ("Coro::State object required"); |
554 | croak ("Coro::State object required"); |
516 | |
555 | |
517 | return (struct coro *)mg->mg_ptr; |
556 | return (struct coro *)mg->mg_ptr; |
518 | } |
557 | } |
… | |
… | |
524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
563 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | |
564 | |
526 | /*****************************************************************************/ |
565 | /*****************************************************************************/ |
527 | /* padlist management and caching */ |
566 | /* padlist management and caching */ |
528 | |
567 | |
529 | ecb_inline AV * |
568 | ecb_inline PADLIST * |
530 | coro_derive_padlist (pTHX_ CV *cv) |
569 | coro_derive_padlist (pTHX_ CV *cv) |
531 | { |
570 | { |
532 | AV *padlist = CvPADLIST (cv); |
571 | PADLIST *padlist = CvPADLIST (cv); |
533 | AV *newpadlist, *newpad; |
572 | PADLIST *newpadlist; |
|
|
573 | PADNAMELIST *padnames; |
|
|
574 | PAD *newpad; |
|
|
575 | PADOFFSET off = PadlistMAX (padlist) + 1; |
534 | |
576 | |
535 | newpadlist = newAV (); |
577 | #if NEWPADAPI |
|
|
578 | |
|
|
579 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
580 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
581 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
582 | --off; |
|
|
583 | |
|
|
584 | Perl_pad_push (aTHX_ padlist, off); |
|
|
585 | |
|
|
586 | newpad = PadlistARRAY (padlist)[off]; |
|
|
587 | PadlistARRAY (padlist)[off] = 0; |
|
|
588 | |
|
|
589 | #else |
|
|
590 | |
|
|
591 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
592 | Perl_pad_push (aTHX_ padlist, off); |
|
|
593 | #else |
|
|
594 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
595 | #endif |
|
|
596 | |
|
|
597 | newpad = PadlistARRAY (padlist)[off]; |
|
|
598 | PadlistMAX (padlist) = off - 1; |
|
|
599 | |
|
|
600 | #endif |
|
|
601 | |
|
|
602 | newPADLIST (newpadlist); |
|
|
603 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
604 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
536 | AvREAL_off (newpadlist); |
605 | 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 |
606 | #endif |
542 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
543 | --AvFILLp (padlist); |
|
|
544 | |
607 | |
545 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
608 | /* Already extended to 2 elements by newPADLIST. */ |
546 | av_store (newpadlist, 1, (SV *)newpad); |
609 | PadlistMAX (newpadlist) = 1; |
|
|
610 | |
|
|
611 | padnames = PadlistNAMES (padlist); |
|
|
612 | ++PadnamelistREFCNT (padnames); |
|
|
613 | PadlistNAMES (newpadlist) = padnames; |
|
|
614 | |
|
|
615 | PadlistARRAY (newpadlist)[1] = newpad; |
547 | |
616 | |
548 | return newpadlist; |
617 | return newpadlist; |
549 | } |
618 | } |
550 | |
619 | |
551 | ecb_inline void |
620 | ecb_inline void |
552 | free_padlist (pTHX_ AV *padlist) |
621 | free_padlist (pTHX_ PADLIST *padlist) |
553 | { |
622 | { |
554 | /* may be during global destruction */ |
623 | /* may be during global destruction */ |
555 | if (!IN_DESTRUCT) |
624 | if (!IN_DESTRUCT) |
556 | { |
625 | { |
557 | I32 i = AvFILLp (padlist); |
626 | I32 i = PadlistMAX (padlist); |
558 | |
627 | |
559 | while (i > 0) /* special-case index 0 */ |
628 | while (i > 0) /* special-case index 0 */ |
560 | { |
629 | { |
561 | /* we try to be extra-careful here */ |
630 | /* we try to be extra-careful here */ |
562 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
631 | PAD *pad = PadlistARRAY (padlist)[i--]; |
563 | I32 j = AvFILLp (av); |
|
|
564 | |
632 | |
|
|
633 | if (pad) |
|
|
634 | { |
|
|
635 | I32 j = PadMAX (pad); |
|
|
636 | |
565 | while (j >= 0) |
637 | while (j >= 0) |
566 | SvREFCNT_dec (AvARRAY (av)[j--]); |
638 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
567 | |
639 | |
568 | AvFILLp (av) = -1; |
640 | PadMAX (pad) = -1; |
569 | SvREFCNT_dec (av); |
641 | SvREFCNT_dec (pad); |
|
|
642 | } |
570 | } |
643 | } |
571 | |
644 | |
572 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
645 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
573 | |
646 | |
|
|
647 | #if NEWPADAPI |
|
|
648 | Safefree (PadlistARRAY (padlist)); |
|
|
649 | Safefree (padlist); |
|
|
650 | #else |
574 | AvFILLp (padlist) = -1; |
651 | AvFILLp (padlist) = -1; |
|
|
652 | AvREAL_off (padlist); |
575 | SvREFCNT_dec ((SV*)padlist); |
653 | SvREFCNT_dec ((SV*)padlist); |
|
|
654 | #endif |
576 | } |
655 | } |
577 | } |
656 | } |
578 | |
657 | |
579 | static int |
658 | static int |
580 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
659 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
581 | { |
660 | { |
582 | AV *padlist; |
661 | PADLIST *padlist; |
583 | AV *av = (AV *)mg->mg_obj; |
662 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
663 | size_t len = *(size_t *)mg->mg_ptr; |
584 | |
664 | |
585 | /* perl manages to free our internal AV and _then_ call us */ |
665 | /* perl manages to free our internal AV and _then_ call us */ |
586 | if (IN_DESTRUCT) |
666 | if (IN_DESTRUCT) |
587 | return 0; |
667 | return 0; |
588 | |
668 | |
589 | /* casting is fun. */ |
669 | while (len--) |
590 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
591 | free_padlist (aTHX_ padlist); |
670 | free_padlist (aTHX_ padlists[len]); |
592 | |
|
|
593 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
594 | |
671 | |
595 | return 0; |
672 | return 0; |
596 | } |
673 | } |
597 | |
674 | |
598 | static MGVTBL coro_cv_vtbl = { |
675 | static MGVTBL coro_cv_vtbl = { |
… | |
… | |
603 | /* the next two functions merely cache the padlists */ |
680 | /* the next two functions merely cache the padlists */ |
604 | ecb_inline void |
681 | ecb_inline void |
605 | get_padlist (pTHX_ CV *cv) |
682 | get_padlist (pTHX_ CV *cv) |
606 | { |
683 | { |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
684 | MAGIC *mg = CORO_MAGIC_cv (cv); |
608 | AV *av; |
685 | size_t *lenp; |
609 | |
686 | |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
687 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
688 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
612 | else |
689 | else |
613 | { |
690 | { |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
691 | #if CORO_PREFER_PERL_FUNCTIONS |
615 | /* this is probably cleaner? but also slower! */ |
692 | /* this is probably cleaner? but also slower! */ |
616 | /* in practise, it seems to be less stable */ |
693 | /* in practise, it seems to be less stable */ |
… | |
… | |
626 | |
703 | |
627 | ecb_inline void |
704 | ecb_inline void |
628 | put_padlist (pTHX_ CV *cv) |
705 | put_padlist (pTHX_ CV *cv) |
629 | { |
706 | { |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
707 | MAGIC *mg = CORO_MAGIC_cv (cv); |
631 | AV *av; |
|
|
632 | |
708 | |
633 | if (ecb_expect_false (!mg)) |
709 | if (ecb_expect_false (!mg)) |
|
|
710 | { |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
711 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
712 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
713 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
714 | } |
|
|
715 | else |
|
|
716 | Renew (mg->mg_ptr, |
|
|
717 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
718 | char); |
635 | |
719 | |
636 | av = (AV *)mg->mg_obj; |
720 | ((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 | } |
721 | } |
643 | |
722 | |
644 | /** load & save, init *******************************************************/ |
723 | /** load & save, init *******************************************************/ |
645 | |
724 | |
|
|
725 | ecb_inline void |
|
|
726 | swap_sv (SV *a, SV *b) |
|
|
727 | { |
|
|
728 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
729 | SV tmp; |
|
|
730 | |
|
|
731 | /* swap sv_any */ |
|
|
732 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
733 | |
|
|
734 | /* swap sv_flags */ |
|
|
735 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
736 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
737 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
738 | |
|
|
739 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
740 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
741 | * is much faster, so no quarrels here. alternatively, we could |
|
|
742 | * sv_upgrade to avoid this. |
|
|
743 | */ |
|
|
744 | { |
|
|
745 | /* swap sv_u */ |
|
|
746 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
747 | |
|
|
748 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
749 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
750 | */ |
|
|
751 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
752 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
753 | svany_in_head_set |= 1 << SVt_NV; |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
757 | |
|
|
758 | if (svany_in_head (SvTYPE (a))) |
|
|
759 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
760 | |
|
|
761 | if (svany_in_head (SvTYPE (b))) |
|
|
762 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
763 | } |
|
|
764 | #endif |
|
|
765 | } |
|
|
766 | |
646 | /* swap sv heads, at least logically */ |
767 | /* swap sv heads, at least logically */ |
647 | static void |
768 | static void |
648 | swap_svs (pTHX_ Coro__State c) |
769 | swap_svs_enter (pTHX_ Coro__State c) |
649 | { |
770 | { |
650 | int i; |
771 | int i; |
651 | |
772 | |
652 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
773 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
653 | { |
774 | 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 | } |
775 | } |
692 | |
776 | |
|
|
777 | static void |
|
|
778 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
779 | { |
|
|
780 | int i; |
|
|
781 | |
|
|
782 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
783 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
784 | } |
|
|
785 | |
693 | #define SWAP_SVS(coro) \ |
786 | #define SWAP_SVS_ENTER(coro) \ |
694 | if (ecb_expect_false ((coro)->swap_sv)) \ |
787 | if (ecb_expect_false ((coro)->swap_sv)) \ |
695 | swap_svs (aTHX_ (coro)) |
788 | swap_svs_enter (aTHX_ (coro)) |
|
|
789 | |
|
|
790 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
791 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
792 | swap_svs_leave (aTHX_ (coro)) |
696 | |
793 | |
697 | static void |
794 | static void |
698 | on_enterleave_call (pTHX_ SV *cb); |
795 | on_enterleave_call (pTHX_ SV *cb); |
699 | |
796 | |
700 | static void |
797 | static void |
… | |
… | |
707 | |
804 | |
708 | #if CORO_JIT |
805 | #if CORO_JIT |
709 | load_perl_slots (slot); |
806 | load_perl_slots (slot); |
710 | #else |
807 | #else |
711 | #define VARx(name,expr,type) expr = slot->name; |
808 | #define VARx(name,expr,type) expr = slot->name; |
712 | # include "state.h" |
809 | #include "state.h" |
713 | #undef VARx |
|
|
714 | #endif |
810 | #endif |
715 | |
811 | |
716 | { |
812 | { |
717 | dSP; |
813 | dSP; |
718 | |
814 | |
… | |
… | |
721 | /* now do the ugly restore mess */ |
817 | /* now do the ugly restore mess */ |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
818 | while (ecb_expect_true (cv = (CV *)POPs)) |
723 | { |
819 | { |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
820 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
821 | CvDEPTH (cv) = PTR2IV (POPs); |
726 | CvPADLIST (cv) = (AV *)POPs; |
822 | CvPADLIST (cv) = (PADLIST *)POPs; |
727 | } |
823 | } |
728 | |
824 | |
729 | PUTBACK; |
825 | PUTBACK; |
730 | } |
826 | } |
731 | |
827 | |
… | |
… | |
746 | |
842 | |
747 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
843 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
748 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
844 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
749 | } |
845 | } |
750 | |
846 | |
|
|
847 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
848 | { |
|
|
849 | int i; |
|
|
850 | |
|
|
851 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
852 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
853 | } |
|
|
854 | |
751 | SWAP_SVS (c); |
855 | SWAP_SVS_ENTER (c); |
752 | } |
856 | } |
753 | |
857 | |
754 | static void |
858 | static void |
755 | save_perl (pTHX_ Coro__State c) |
859 | save_perl (pTHX_ Coro__State c) |
756 | { |
860 | { |
757 | SWAP_SVS (c); |
861 | SWAP_SVS_LEAVE (c); |
|
|
862 | |
|
|
863 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
864 | { |
|
|
865 | int i; |
|
|
866 | |
|
|
867 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
868 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
869 | } |
758 | |
870 | |
759 | if (ecb_expect_false (c->on_leave)) |
871 | if (ecb_expect_false (c->on_leave)) |
760 | { |
872 | { |
761 | int i; |
873 | int i; |
762 | |
874 | |
… | |
… | |
840 | |
952 | |
841 | #if CORO_JIT |
953 | #if CORO_JIT |
842 | save_perl_slots (slot); |
954 | save_perl_slots (slot); |
843 | #else |
955 | #else |
844 | #define VARx(name,expr,type) slot->name = expr; |
956 | #define VARx(name,expr,type) slot->name = expr; |
845 | # include "state.h" |
957 | #include "state.h" |
846 | #undef VARx |
|
|
847 | #endif |
958 | #endif |
848 | } |
959 | } |
849 | } |
960 | } |
850 | |
961 | |
851 | /* |
962 | /* |
… | |
… | |
890 | #endif |
1001 | #endif |
891 | |
1002 | |
892 | New(54,PL_savestack,24,ANY); |
1003 | New(54,PL_savestack,24,ANY); |
893 | PL_savestack_ix = 0; |
1004 | PL_savestack_ix = 0; |
894 | PL_savestack_max = 24; |
1005 | PL_savestack_max = 24; |
|
|
1006 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
1007 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
1008 | /* the header macros to PL_savestack_max */ |
|
|
1009 | PL_savestack_max -= SS_MAXPUSH; |
|
|
1010 | #endif |
895 | |
1011 | |
896 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1012 | #if !PERL_VERSION_ATLEAST (5,10,0) |
897 | New(54,PL_retstack,4,OP*); |
1013 | New(54,PL_retstack,4,OP*); |
898 | PL_retstack_ix = 0; |
1014 | PL_retstack_ix = 0; |
899 | PL_retstack_max = 4; |
1015 | PL_retstack_max = 4; |
… | |
… | |
965 | } |
1081 | } |
966 | |
1082 | |
967 | return rss; |
1083 | return rss; |
968 | } |
1084 | } |
969 | |
1085 | |
970 | /** coroutine stack handling ************************************************/ |
1086 | /** 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 | |
1087 | |
976 | /* apparently < 5.8.8 */ |
1088 | /* apparently < 5.8.8 */ |
977 | #ifndef MgPV_nolen_const |
1089 | #ifndef MgPV_nolen_const |
978 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1090 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
979 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1091 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
980 | (const char*)(mg)->mg_ptr) |
1092 | (const char*)(mg)->mg_ptr) |
981 | #endif |
1093 | #endif |
|
|
1094 | |
|
|
1095 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1096 | static MGVTBL coro_sigelem_vtbl; |
|
|
1097 | |
|
|
1098 | static int ecb_cold |
|
|
1099 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1100 | { |
|
|
1101 | char *key = SvPV_nolen ((SV *)name); |
|
|
1102 | |
|
|
1103 | /* do what mg_copy normally does */ |
|
|
1104 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1105 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1106 | |
|
|
1107 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1108 | if (*key == '_' |
|
|
1109 | && (strEQ (key, "__DIE__") |
|
|
1110 | || strEQ (key, "__WARN__"))) |
|
|
1111 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1112 | |
|
|
1113 | return 1; |
|
|
1114 | } |
|
|
1115 | |
|
|
1116 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1117 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1118 | static const MGVTBL coro_sig_vtbl = { |
|
|
1119 | 0, 0, 0, 0, 0, |
|
|
1120 | coro_sig_copy |
|
|
1121 | }; |
982 | |
1122 | |
983 | /* |
1123 | /* |
984 | * This overrides the default magic get method of %SIG elements. |
1124 | * 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 |
1125 | * 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), |
1126 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
988 | */ |
1128 | */ |
989 | static int ecb_cold |
1129 | static int ecb_cold |
990 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
991 | { |
1131 | { |
992 | const char *s = MgPV_nolen_const (mg); |
1132 | const char *s = MgPV_nolen_const (mg); |
|
|
1133 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1134 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
993 | |
1135 | |
994 | if (*s == '_') |
1136 | SV *ssv; |
995 | { |
|
|
996 | SV **svp = 0; |
|
|
997 | |
1137 | |
998 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
999 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1000 | |
|
|
1001 | if (svp) |
1138 | if (!*svp) |
1002 | { |
1139 | ssv = &PL_sv_undef; |
1003 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1140 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1004 | return 0; |
1141 | ssv = sv_2mortal (newRV_inc (*svp)); |
1005 | } |
1142 | else |
1006 | } |
1143 | ssv = *svp; |
1007 | |
1144 | |
1008 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1145 | sv_setsv (sv, ssv); |
|
|
1146 | return 0; |
1009 | } |
1147 | } |
1010 | |
1148 | |
1011 | static int ecb_cold |
1149 | static int ecb_cold |
1012 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1150 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1013 | { |
1151 | { |
1014 | const char *s = MgPV_nolen_const (mg); |
1152 | const char *s = MgPV_nolen_const (mg); |
|
|
1153 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1154 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1015 | |
1155 | |
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; |
1156 | SV *old = *svp; |
1026 | *svp = 0; |
1157 | *svp = 0; |
1027 | SvREFCNT_dec (old); |
1158 | SvREFCNT_dec (old); |
1028 | return 0; |
1159 | return 0; |
1029 | } |
|
|
1030 | } |
|
|
1031 | |
|
|
1032 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1033 | } |
1160 | } |
1034 | |
1161 | |
1035 | static int ecb_cold |
1162 | static int ecb_cold |
1036 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1163 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1037 | { |
1164 | { |
1038 | const char *s = MgPV_nolen_const (mg); |
1165 | const char *s = MgPV_nolen_const (mg); |
|
|
1166 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1167 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1039 | |
1168 | |
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; |
1169 | SV *old = *svp; |
1050 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1170 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1051 | SvREFCNT_dec (old); |
1171 | SvREFCNT_dec (old); |
1052 | return 0; |
1172 | return 0; |
1053 | } |
|
|
1054 | } |
|
|
1055 | |
|
|
1056 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1057 | } |
1173 | } |
1058 | |
1174 | |
1059 | static void |
1175 | static void |
1060 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1176 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1061 | { |
1177 | { |
… | |
… | |
1072 | static int |
1188 | static int |
1073 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1189 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1074 | { |
1190 | { |
1075 | return 1; |
1191 | return 1; |
1076 | } |
1192 | } |
|
|
1193 | |
|
|
1194 | /** coroutine stack handling ************************************************/ |
1077 | |
1195 | |
1078 | static UNOP init_perl_op; |
1196 | static UNOP init_perl_op; |
1079 | |
1197 | |
1080 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1198 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1081 | init_perl (pTHX_ struct coro *coro) |
1199 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1102 | PL_hints = 0; |
1220 | PL_hints = 0; |
1103 | |
1221 | |
1104 | /* recreate the die/warn hooks */ |
1222 | /* recreate the die/warn hooks */ |
1105 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1223 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1106 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1224 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1107 | |
1225 | |
1108 | GvSV (PL_defgv) = newSV (0); |
1226 | GvSV (PL_defgv) = newSV (0); |
1109 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1227 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1110 | GvSV (PL_errgv) = newSV (0); |
1228 | GvSV (PL_errgv) = newSV (0); |
1111 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1229 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1112 | GvHV (PL_hintgv) = 0; |
1230 | GvHV (PL_hintgv) = newHV (); |
|
|
1231 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1232 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1233 | #endif |
1113 | PL_rs = newSVsv (GvSV (irsgv)); |
1234 | PL_rs = newSVsv (GvSV (irsgv)); |
1114 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1235 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1115 | |
1236 | |
1116 | { |
1237 | { |
1117 | dSP; |
1238 | dSP; |
… | |
… | |
1121 | myop.op_next = Nullop; |
1242 | myop.op_next = Nullop; |
1122 | myop.op_type = OP_ENTERSUB; |
1243 | myop.op_type = OP_ENTERSUB; |
1123 | myop.op_flags = OPf_WANT_VOID; |
1244 | myop.op_flags = OPf_WANT_VOID; |
1124 | |
1245 | |
1125 | PUSHMARK (SP); |
1246 | PUSHMARK (SP); |
1126 | PUSHs ((SV *)coro->startcv); |
1247 | XPUSHs ((SV *)coro->startcv); |
1127 | PUTBACK; |
1248 | PUTBACK; |
1128 | PL_op = (OP *)&myop; |
1249 | PL_op = (OP *)&myop; |
1129 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1250 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1130 | } |
1251 | } |
1131 | |
1252 | |
… | |
… | |
1145 | PL_op = (OP *)&init_perl_op; |
1266 | PL_op = (OP *)&init_perl_op; |
1146 | |
1267 | |
1147 | /* copy throw, in case it was set before init_perl */ |
1268 | /* copy throw, in case it was set before init_perl */ |
1148 | CORO_THROW = coro->except; |
1269 | CORO_THROW = coro->except; |
1149 | |
1270 | |
1150 | SWAP_SVS (coro); |
1271 | SWAP_SVS_ENTER (coro); |
1151 | |
1272 | |
1152 | if (ecb_expect_false (enable_times)) |
1273 | if (ecb_expect_false (enable_times)) |
1153 | { |
1274 | { |
1154 | coro_times_update (); |
1275 | coro_times_update (); |
1155 | coro_times_sub (coro); |
1276 | coro_times_sub (coro); |
… | |
… | |
1188 | |
1309 | |
1189 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1310 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1190 | |
1311 | |
1191 | save_perl (aTHX_ current); |
1312 | save_perl (aTHX_ current); |
1192 | |
1313 | |
1193 | /* this will cause transfer_check to croak on block*/ |
1314 | /* this will cause transfer_check to croak on block */ |
1194 | SvRV_set (coro_current, (SV *)coro->hv); |
1315 | SvRV_set (coro_current, (SV *)coro->hv); |
1195 | |
1316 | |
1196 | load_perl (aTHX_ coro); |
1317 | load_perl (aTHX_ coro); |
1197 | |
1318 | |
|
|
1319 | /* restore swapped sv's */ |
|
|
1320 | SWAP_SVS_LEAVE (coro); |
|
|
1321 | |
1198 | coro_unwind_stacks (aTHX); |
1322 | coro_unwind_stacks (aTHX); |
1199 | |
|
|
1200 | /* restore swapped sv's */ |
|
|
1201 | SWAP_SVS (coro); |
|
|
1202 | |
1323 | |
1203 | coro_destruct_stacks (aTHX); |
1324 | coro_destruct_stacks (aTHX); |
1204 | |
1325 | |
1205 | /* now save some sv's to be free'd later */ |
1326 | /* now save some sv's to be free'd later */ |
1206 | svf [0] = GvSV (PL_defgv); |
1327 | svf [0] = GvSV (PL_defgv); |
… | |
… | |
1227 | |
1348 | |
1228 | SvREFCNT_dec (coro->saved_deffh); |
1349 | SvREFCNT_dec (coro->saved_deffh); |
1229 | SvREFCNT_dec (coro->rouse_cb); |
1350 | SvREFCNT_dec (coro->rouse_cb); |
1230 | SvREFCNT_dec (coro->invoke_cb); |
1351 | SvREFCNT_dec (coro->invoke_cb); |
1231 | SvREFCNT_dec (coro->invoke_av); |
1352 | SvREFCNT_dec (coro->invoke_av); |
|
|
1353 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1354 | SvREFCNT_dec (coro->on_leave_xs); |
1232 | } |
1355 | } |
1233 | } |
1356 | } |
1234 | |
1357 | |
1235 | ecb_inline void |
1358 | ecb_inline void |
1236 | free_coro_mortal (pTHX) |
1359 | free_coro_mortal (pTHX) |
… | |
… | |
1277 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1400 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1278 | |
1401 | |
1279 | PL_runops = RUNOPS_DEFAULT; |
1402 | PL_runops = RUNOPS_DEFAULT; |
1280 | ENTER; |
1403 | ENTER; |
1281 | SAVETMPS; |
1404 | SAVETMPS; |
|
|
1405 | PUSHMARK (SP); |
1282 | EXTEND (SP, 3); |
1406 | EXTEND (SP, 3); |
1283 | PUSHMARK (SP); |
|
|
1284 | PUSHs (&PL_sv_no); |
1407 | PUSHs (&PL_sv_no); |
1285 | PUSHs (fullname); |
1408 | PUSHs (fullname); |
1286 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1409 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1287 | PUTBACK; |
1410 | PUTBACK; |
1288 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1411 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
… | |
… | |
1299 | |
1422 | |
1300 | if (PL_curcop != &PL_compiling) |
1423 | if (PL_curcop != &PL_compiling) |
1301 | { |
1424 | { |
1302 | SV **cb; |
1425 | SV **cb; |
1303 | |
1426 | |
1304 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1427 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1305 | { |
1428 | { |
1306 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1429 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1307 | |
1430 | |
1308 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1431 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1309 | { |
1432 | { |
… | |
… | |
1315 | gv_efullname3 (fullname, gv, 0); |
1438 | gv_efullname3 (fullname, gv, 0); |
1316 | |
1439 | |
1317 | PL_runops = RUNOPS_DEFAULT; |
1440 | PL_runops = RUNOPS_DEFAULT; |
1318 | ENTER; |
1441 | ENTER; |
1319 | SAVETMPS; |
1442 | SAVETMPS; |
|
|
1443 | PUSHMARK (SP); |
1320 | EXTEND (SP, 3); |
1444 | EXTEND (SP, 3); |
1321 | PUSHMARK (SP); |
|
|
1322 | PUSHs (&PL_sv_yes); |
1445 | PUSHs (&PL_sv_yes); |
1323 | PUSHs (fullname); |
1446 | PUSHs (fullname); |
1324 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1447 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1325 | PUTBACK; |
1448 | PUTBACK; |
1326 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1449 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1327 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1450 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1328 | SPAGAIN; |
1451 | SPAGAIN; |
1329 | FREETMPS; |
1452 | FREETMPS; |
… | |
… | |
1339 | dSP; |
1462 | dSP; |
1340 | |
1463 | |
1341 | PL_runops = RUNOPS_DEFAULT; |
1464 | PL_runops = RUNOPS_DEFAULT; |
1342 | ENTER; |
1465 | ENTER; |
1343 | SAVETMPS; |
1466 | SAVETMPS; |
1344 | EXTEND (SP, 3); |
|
|
1345 | PL_runops = RUNOPS_DEFAULT; |
|
|
1346 | PUSHMARK (SP); |
1467 | PUSHMARK (SP); |
|
|
1468 | EXTEND (SP, 2); |
1347 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1469 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1348 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1470 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1349 | PUTBACK; |
1471 | PUTBACK; |
1350 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1472 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1351 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1473 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
… | |
… | |
1405 | transfer_tail (pTHX) |
1527 | transfer_tail (pTHX) |
1406 | { |
1528 | { |
1407 | free_coro_mortal (aTHX); |
1529 | free_coro_mortal (aTHX); |
1408 | } |
1530 | } |
1409 | |
1531 | |
|
|
1532 | /* try to exit the same way perl's main function would do */ |
|
|
1533 | /* we do not bother resetting the environment or other things *7 |
|
|
1534 | /* that are not, uhm, essential */ |
|
|
1535 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1536 | static void ecb_noinline ecb_cold |
|
|
1537 | perlish_exit (pTHX) |
|
|
1538 | { |
|
|
1539 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1540 | perl_free (PL_curinterp); |
|
|
1541 | exit (exitstatus); |
|
|
1542 | } |
|
|
1543 | |
1410 | /* |
1544 | /* |
1411 | * this is a _very_ stripped down perl interpreter ;) |
1545 | * this is a _very_ stripped down perl interpreter ;) |
1412 | */ |
1546 | */ |
1413 | static void |
1547 | static void |
1414 | cctx_run (void *arg) |
1548 | cctx_run (void *arg) |
… | |
… | |
1439 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1573 | * 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. |
1574 | * runtime errors here, as this is just a random interpreter, not a thread. |
1441 | */ |
1575 | */ |
1442 | |
1576 | |
1443 | /* |
1577 | /* |
|
|
1578 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1579 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1580 | */ |
|
|
1581 | if (!PL_scopestack_ix) |
|
|
1582 | ENTER; |
|
|
1583 | |
|
|
1584 | /* |
1444 | * If perl-run returns we assume exit() was being called or the coro |
1585 | * 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) |
1586 | * 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 |
1587 | * 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" |
1588 | * 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 | */ |
1589 | */ |
1452 | PL_top_env = main_top_env; |
1590 | perlish_exit (aTHX); |
1453 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1454 | } |
1591 | } |
1455 | } |
1592 | } |
1456 | |
1593 | |
1457 | static coro_cctx * |
1594 | static coro_cctx * |
1458 | cctx_new (void) |
1595 | cctx_new (void) |
… | |
… | |
1473 | static coro_cctx * |
1610 | static coro_cctx * |
1474 | cctx_new_empty (void) |
1611 | cctx_new_empty (void) |
1475 | { |
1612 | { |
1476 | coro_cctx *cctx = cctx_new (); |
1613 | coro_cctx *cctx = cctx_new (); |
1477 | |
1614 | |
1478 | cctx->sptr = 0; |
1615 | cctx->stack.sptr = 0; |
1479 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1616 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1480 | |
1617 | |
1481 | return cctx; |
1618 | return cctx; |
1482 | } |
1619 | } |
1483 | |
1620 | |
1484 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1621 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1485 | static coro_cctx * |
1622 | static coro_cctx * |
1486 | cctx_new_run (void) |
1623 | cctx_new_run (void) |
1487 | { |
1624 | { |
1488 | coro_cctx *cctx = cctx_new (); |
1625 | coro_cctx *cctx = cctx_new (); |
1489 | void *stack_start; |
|
|
1490 | size_t stack_size; |
|
|
1491 | |
1626 | |
1492 | #if HAVE_MMAP |
1627 | 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 | } |
1628 | { |
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."); |
1629 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1515 | _exit (EXIT_FAILURE); |
1630 | _exit (EXIT_FAILURE); |
1516 | } |
|
|
1517 | |
|
|
1518 | stack_start = cctx->sptr; |
|
|
1519 | stack_size = cctx->ssize; |
|
|
1520 | } |
1631 | } |
1521 | |
1632 | |
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); |
1633 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1527 | |
1634 | |
1528 | return cctx; |
1635 | return cctx; |
1529 | } |
1636 | } |
1530 | |
1637 | |
1531 | static void |
1638 | static void |
… | |
… | |
1537 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1644 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1538 | |
1645 | |
1539 | --cctx_count; |
1646 | --cctx_count; |
1540 | coro_destroy (&cctx->cctx); |
1647 | coro_destroy (&cctx->cctx); |
1541 | |
1648 | |
1542 | /* coro_transfer creates new, empty cctx's */ |
1649 | 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 | |
1650 | |
1557 | Safefree (cctx); |
1651 | Safefree (cctx); |
1558 | } |
1652 | } |
1559 | |
1653 | |
1560 | /* wether this cctx should be destructed */ |
1654 | /* wether this cctx should be destructed */ |
… | |
… | |
1579 | } |
1673 | } |
1580 | |
1674 | |
1581 | static void |
1675 | static void |
1582 | cctx_put (coro_cctx *cctx) |
1676 | cctx_put (coro_cctx *cctx) |
1583 | { |
1677 | { |
1584 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1678 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1585 | |
1679 | |
1586 | /* free another cctx if overlimit */ |
1680 | /* free another cctx if overlimit */ |
1587 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1681 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1588 | { |
1682 | { |
1589 | coro_cctx *first = cctx_first; |
1683 | coro_cctx *first = cctx_first; |
… | |
… | |
1715 | return; |
1809 | return; |
1716 | |
1810 | |
1717 | slf_destroy (aTHX_ coro); |
1811 | slf_destroy (aTHX_ coro); |
1718 | |
1812 | |
1719 | coro->flags |= CF_ZOMBIE; |
1813 | coro->flags |= CF_ZOMBIE; |
1720 | |
1814 | |
1721 | if (coro->flags & CF_READY) |
1815 | if (coro->flags & CF_READY) |
1722 | { |
1816 | { |
1723 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1817 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1724 | /* alternative: look through all ready queues and remove the coro */ |
1818 | /* alternative: look through all ready queues and remove the coro */ |
1725 | --coro_nready; |
1819 | --coro_nready; |
… | |
… | |
1765 | |
1859 | |
1766 | static int ecb_cold |
1860 | static int ecb_cold |
1767 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1861 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1768 | { |
1862 | { |
1769 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1863 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1770 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1864 | /* we simply nuke the pointers in the copy, causing perl to croak */ |
1771 | mg->mg_ptr = 0; |
1865 | mg->mg_ptr = 0; |
1772 | mg->mg_virtual = 0; |
1866 | mg->mg_virtual = 0; |
1773 | |
1867 | |
1774 | return 0; |
1868 | return 0; |
1775 | } |
1869 | } |
… | |
… | |
1921 | /* nothing to schedule: call the idle handler */ |
2015 | /* nothing to schedule: call the idle handler */ |
1922 | if (SvROK (sv_idle) |
2016 | if (SvROK (sv_idle) |
1923 | && SvOBJECT (SvRV (sv_idle))) |
2017 | && SvOBJECT (SvRV (sv_idle))) |
1924 | { |
2018 | { |
1925 | if (SvRV (sv_idle) == SvRV (coro_current)) |
2019 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2020 | { |
|
|
2021 | require_pv ("Carp"); |
|
|
2022 | |
|
|
2023 | { |
|
|
2024 | dSP; |
|
|
2025 | |
|
|
2026 | ENTER; |
|
|
2027 | SAVETMPS; |
|
|
2028 | |
|
|
2029 | PUSHMARK (SP); |
1926 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2030 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2031 | PUTBACK; |
|
|
2032 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2033 | |
|
|
2034 | FREETMPS; |
|
|
2035 | LEAVE; |
|
|
2036 | } |
|
|
2037 | } |
1927 | |
2038 | |
1928 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2039 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1929 | api_ready (aTHX_ SvRV (sv_idle)); |
2040 | api_ready (aTHX_ SvRV (sv_idle)); |
1930 | --coro_nready; |
2041 | --coro_nready; |
1931 | } |
2042 | } |
… | |
… | |
2129 | AV *od = coro->on_destroy; |
2240 | AV *od = coro->on_destroy; |
2130 | |
2241 | |
2131 | if (!od) |
2242 | if (!od) |
2132 | return; |
2243 | return; |
2133 | |
2244 | |
|
|
2245 | coro->on_destroy = 0; |
|
|
2246 | sv_2mortal ((SV *)od); |
|
|
2247 | |
2134 | while (AvFILLp (od) >= 0) |
2248 | while (AvFILLp (od) >= 0) |
2135 | { |
2249 | { |
2136 | SV *cb = sv_2mortal (av_pop (od)); |
2250 | SV *cb = sv_2mortal (av_pop (od)); |
2137 | |
2251 | |
2138 | /* coro hv's (and only hv's at the moment) are supported as well */ |
2252 | /* coro hv's (and only hv's at the moment) are supported as well */ |
… | |
… | |
2158 | |
2272 | |
2159 | static void |
2273 | static void |
2160 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2274 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2161 | { |
2275 | { |
2162 | AV *av; |
2276 | AV *av; |
2163 | |
2277 | |
2164 | if (coro->status) |
2278 | if (coro->status) |
2165 | { |
2279 | { |
2166 | av = coro->status; |
2280 | av = coro->status; |
2167 | av_clear (av); |
2281 | av_clear (av); |
2168 | } |
2282 | } |
… | |
… | |
2215 | |
2329 | |
2216 | coro = SvSTATE (arg [0]); |
2330 | coro = SvSTATE (arg [0]); |
2217 | coro_hv = coro->hv; |
2331 | coro_hv = coro->hv; |
2218 | |
2332 | |
2219 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2333 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2220 | |
2334 | |
2221 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2335 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2222 | { |
2336 | { |
2223 | /* coro currently busy cancelling something, so just notify it */ |
2337 | /* coro currently busy cancelling something, so just notify it */ |
2224 | coro->slf_frame.data = (void *)coro; |
2338 | coro->slf_frame.data = (void *)coro; |
2225 | |
2339 | |
… | |
… | |
2232 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2346 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2233 | } |
2347 | } |
2234 | else |
2348 | else |
2235 | { |
2349 | { |
2236 | struct coro *self = SvSTATE_current; |
2350 | struct coro *self = SvSTATE_current; |
|
|
2351 | |
|
|
2352 | if (!self) |
|
|
2353 | croak ("Coro::cancel called outside of thread content,"); |
2237 | |
2354 | |
2238 | /* otherwise we cancel directly, purely for speed reasons |
2355 | /* otherwise we cancel directly, purely for speed reasons |
2239 | * unfortunately, this requires some magic trickery, as |
2356 | * unfortunately, this requires some magic trickery, as |
2240 | * somebody else could cancel us, so we have to fight the cancellation. |
2357 | * somebody else could cancel us, so we have to fight the cancellation. |
2241 | * this is ugly, and hopefully fully worth the extra speed. |
2358 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2274 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2391 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2275 | { |
2392 | { |
2276 | if (coro->cctx) |
2393 | if (coro->cctx) |
2277 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2394 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2278 | |
2395 | |
2279 | if (coro->flags & CF_NEW) |
2396 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
2280 | { |
2397 | { |
2281 | coro_set_status (aTHX_ coro, arg, items); |
2398 | coro_set_status (aTHX_ coro, arg, items); |
2282 | coro_state_destroy (aTHX_ coro); |
2399 | coro_state_destroy (aTHX_ coro); |
2283 | } |
2400 | } |
2284 | else |
2401 | else |
… | |
… | |
2351 | else |
2468 | else |
2352 | { |
2469 | { |
2353 | av_clear (GvAV (PL_defgv)); |
2470 | av_clear (GvAV (PL_defgv)); |
2354 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2471 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2355 | |
2472 | |
|
|
2473 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2474 | { |
|
|
2475 | SWAP_SVS_LEAVE (coro); |
|
|
2476 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2477 | coro->swap_sv = 0; |
|
|
2478 | } |
|
|
2479 | |
2356 | coro->prio = 0; |
2480 | coro->prio = 0; |
2357 | |
2481 | |
2358 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2482 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2359 | api_trace (aTHX_ coro_current, 0); |
2483 | api_trace (aTHX_ coro_current, 0); |
2360 | |
2484 | |
2361 | frame->prepare = prepare_schedule; |
2485 | frame->prepare = prepare_schedule; |
2362 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2486 | av_push (av_async_pool, SvREFCNT_inc_NN (hv)); |
2363 | } |
2487 | } |
2364 | } |
2488 | } |
2365 | else |
2489 | else |
2366 | { |
2490 | { |
2367 | /* first iteration, simply fall through */ |
2491 | /* first iteration, simply fall through */ |
… | |
… | |
2380 | static void |
2504 | static void |
2381 | coro_rouse_callback (pTHX_ CV *cv) |
2505 | coro_rouse_callback (pTHX_ CV *cv) |
2382 | { |
2506 | { |
2383 | dXSARGS; |
2507 | dXSARGS; |
2384 | SV *data = (SV *)S_GENSUB_ARG; |
2508 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2509 | SV *coro = SvRV (data); |
2385 | |
2510 | |
|
|
2511 | /* data starts being either undef or a coro, and is replaced by the results when done */ |
2386 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2512 | if (SvTYPE (coro) != SVt_PVAV) |
2387 | { |
2513 | { |
2388 | /* first call, set args */ |
2514 | /* first call, set args */ |
2389 | SV *coro = SvRV (data); |
|
|
2390 | AV *av = newAV (); |
|
|
2391 | |
2515 | |
2392 | SvRV_set (data, (SV *)av); |
2516 | assert (&ST (0) < &ST (1)); /* ensure the stack is in the order we expect it to be */ |
|
|
2517 | SvRV_set (data, (SV *)av_make (items, &ST (0))); /* av_make copies the SVs */ |
2393 | |
2518 | |
2394 | /* better take a full copy of the arguments */ |
2519 | if (coro != &PL_sv_undef) |
2395 | while (items--) |
2520 | { |
2396 | av_store (av, items, newSVsv (ST (items))); |
|
|
2397 | |
|
|
2398 | api_ready (aTHX_ coro); |
2521 | api_ready (aTHX_ coro); |
2399 | SvREFCNT_dec (coro); |
2522 | SvREFCNT_dec_NN (coro); |
|
|
2523 | } |
2400 | } |
2524 | } |
2401 | |
2525 | |
2402 | XSRETURN_EMPTY; |
2526 | XSRETURN_EMPTY; |
2403 | } |
2527 | } |
2404 | |
2528 | |
2405 | static int |
2529 | static int |
2406 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2530 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2407 | { |
2531 | { |
2408 | SV *data = (SV *)frame->data; |
2532 | SV *data = (SV *)frame->data; |
2409 | |
2533 | |
2410 | if (CORO_THROW) |
2534 | if (CORO_THROW) |
2411 | return 0; |
2535 | return 0; |
2412 | |
2536 | |
2413 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2537 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2414 | return 1; |
2538 | return 1; |
… | |
… | |
2421 | |
2545 | |
2422 | EXTEND (SP, AvFILLp (av) + 1); |
2546 | EXTEND (SP, AvFILLp (av) + 1); |
2423 | for (i = 0; i <= AvFILLp (av); ++i) |
2547 | for (i = 0; i <= AvFILLp (av); ++i) |
2424 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2548 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2425 | |
2549 | |
2426 | /* we have stolen the elements, so set length to zero and free */ |
2550 | /* we have stolen the elements, make it unreal and free */ |
2427 | AvFILLp (av) = -1; |
2551 | AvREAL_off (av); |
2428 | av_undef (av); |
2552 | av_undef (av); |
2429 | |
2553 | |
2430 | PUTBACK; |
2554 | PUTBACK; |
2431 | } |
2555 | } |
2432 | |
2556 | |
… | |
… | |
2450 | cb = sv_2mortal (coro->rouse_cb); |
2574 | cb = sv_2mortal (coro->rouse_cb); |
2451 | coro->rouse_cb = 0; |
2575 | coro->rouse_cb = 0; |
2452 | } |
2576 | } |
2453 | |
2577 | |
2454 | if (!SvROK (cb) |
2578 | if (!SvROK (cb) |
2455 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2579 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2456 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2580 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2457 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2581 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2458 | |
2582 | |
2459 | { |
2583 | { |
2460 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2584 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2461 | SV *data = (SV *)S_GENSUB_ARG; |
2585 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2586 | int data_ready = SvTYPE (SvRV (data)) == SVt_PVAV; |
|
|
2587 | |
|
|
2588 | /* if there is no data, we need to store the current coro in the reference so we can be woken up */ |
|
|
2589 | if (!data_ready) |
|
|
2590 | if (SvRV (data) != &PL_sv_undef) |
|
|
2591 | croak ("Coro::rouse_wait was called on a calback that is already being waited for - only one thread can wait for a rouse callback, caught"); |
|
|
2592 | else |
|
|
2593 | SvRV_set (data, SvREFCNT_inc_NN (SvRV (coro_current))); |
2462 | |
2594 | |
2463 | frame->data = (void *)data; |
2595 | frame->data = (void *)data; |
2464 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2596 | frame->prepare = data_ready ? prepare_nop : prepare_schedule; |
2465 | frame->check = slf_check_rouse_wait; |
2597 | frame->check = slf_check_rouse_wait; |
2466 | } |
2598 | } |
2467 | } |
2599 | } |
2468 | |
2600 | |
2469 | static SV * |
2601 | static SV * |
2470 | coro_new_rouse_cb (pTHX) |
2602 | coro_new_rouse_cb (pTHX) |
2471 | { |
2603 | { |
2472 | HV *hv = (HV *)SvRV (coro_current); |
2604 | HV *hv = (HV *)SvRV (coro_current); |
2473 | struct coro *coro = SvSTATE_hv (hv); |
2605 | struct coro *coro = SvSTATE_hv (hv); |
2474 | SV *data = newRV_inc ((SV *)hv); |
2606 | SV *data = newRV_noinc (&PL_sv_undef); |
2475 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2607 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2476 | |
2608 | |
2477 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2609 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2478 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2610 | SvREFCNT_dec_NN (data); /* magicext increases the refcount */ |
2479 | |
2611 | |
2480 | SvREFCNT_dec (coro->rouse_cb); |
2612 | SvREFCNT_dec (coro->rouse_cb); |
2481 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2613 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2482 | |
2614 | |
2483 | return cb; |
2615 | return cb; |
… | |
… | |
2583 | |
2715 | |
2584 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2716 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2585 | static void |
2717 | static void |
2586 | slf_destroy (pTHX_ struct coro *coro) |
2718 | slf_destroy (pTHX_ struct coro *coro) |
2587 | { |
2719 | { |
2588 | /* this callback is reserved for slf functions needing to do cleanup */ |
2720 | 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 | |
2721 | |
2592 | /* |
2722 | /* |
2593 | * The on_destroy above most likely is from an SLF call. |
2723 | * The on_destroy below most likely is from an SLF call. |
2594 | * Since by definition the SLF call will not finish when we destroy |
2724 | * Since by definition the SLF call will not finish when we destroy |
2595 | * the coro, we will have to force-finish it here, otherwise |
2725 | * the coro, we will have to force-finish it here, otherwise |
2596 | * cleanup functions cannot call SLF functions. |
2726 | * cleanup functions cannot call SLF functions. |
2597 | */ |
2727 | */ |
2598 | coro->slf_frame.prepare = 0; |
2728 | coro->slf_frame.prepare = 0; |
|
|
2729 | |
|
|
2730 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2731 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2732 | frame.destroy (aTHX_ &frame); |
2599 | } |
2733 | } |
2600 | |
2734 | |
2601 | /* |
2735 | /* |
2602 | * these not obviously related functions are all rolled into one |
2736 | * these not obviously related functions are all rolled into one |
2603 | * function to increase chances that they all will call transfer with the same |
2737 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2786 | static void |
2920 | static void |
2787 | coro_pop_on_leave (pTHX_ void *coro) |
2921 | coro_pop_on_leave (pTHX_ void *coro) |
2788 | { |
2922 | { |
2789 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2923 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2790 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2924 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2925 | } |
|
|
2926 | |
|
|
2927 | static void |
|
|
2928 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2929 | { |
|
|
2930 | if (!hook) |
|
|
2931 | return; |
|
|
2932 | |
|
|
2933 | if (!*avp) |
|
|
2934 | { |
|
|
2935 | *avp = newAV (); |
|
|
2936 | AvREAL_off (*avp); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | av_push (*avp, (SV *)hook); |
|
|
2940 | av_push (*avp, (SV *)arg); |
|
|
2941 | } |
|
|
2942 | |
|
|
2943 | static void |
|
|
2944 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2945 | { |
|
|
2946 | AV *av = *avp; |
|
|
2947 | int i; |
|
|
2948 | |
|
|
2949 | if (!av) |
|
|
2950 | return; |
|
|
2951 | |
|
|
2952 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2953 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2954 | { |
|
|
2955 | if (execute) |
|
|
2956 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2957 | |
|
|
2958 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2959 | av_pop (av); |
|
|
2960 | av_pop (av); |
|
|
2961 | break; |
|
|
2962 | } |
|
|
2963 | |
|
|
2964 | if (AvFILLp (av) >= 0) |
|
|
2965 | { |
|
|
2966 | *avp = 0; |
|
|
2967 | SvREFCNT_dec_NN (av); |
|
|
2968 | } |
|
|
2969 | } |
|
|
2970 | |
|
|
2971 | static void |
|
|
2972 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2973 | { |
|
|
2974 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2975 | |
|
|
2976 | if (SvSTATE_current == coro) |
|
|
2977 | if (enter) |
|
|
2978 | enter (aTHX_ enter_arg); |
|
|
2979 | |
|
|
2980 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2981 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2982 | } |
|
|
2983 | |
|
|
2984 | static void |
|
|
2985 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2986 | { |
|
|
2987 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2988 | |
|
|
2989 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2990 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2991 | } |
|
|
2992 | |
|
|
2993 | static void |
|
|
2994 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2995 | { |
|
|
2996 | struct coro *coro = SvSTATE_current; |
|
|
2997 | |
|
|
2998 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2999 | } |
|
|
3000 | |
|
|
3001 | static void |
|
|
3002 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
3003 | { |
|
|
3004 | struct coro *coro = SvSTATE_current; |
|
|
3005 | |
|
|
3006 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
3007 | } |
|
|
3008 | |
|
|
3009 | static void |
|
|
3010 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
3011 | { |
|
|
3012 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
3013 | |
|
|
3014 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
3015 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
3016 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2791 | } |
3017 | } |
2792 | |
3018 | |
2793 | /*****************************************************************************/ |
3019 | /*****************************************************************************/ |
2794 | /* PerlIO::cede */ |
3020 | /* PerlIO::cede */ |
2795 | |
3021 | |
… | |
… | |
2925 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3151 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2926 | PUTBACK; |
3152 | PUTBACK; |
2927 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3153 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2928 | } |
3154 | } |
2929 | |
3155 | |
2930 | SvREFCNT_dec (cb); |
3156 | SvREFCNT_dec_NN (cb); |
2931 | } |
3157 | } |
2932 | } |
3158 | } |
2933 | |
3159 | |
2934 | static void |
3160 | static void |
2935 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3161 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2943 | { |
3169 | { |
2944 | AV *av = (AV *)frame->data; |
3170 | AV *av = (AV *)frame->data; |
2945 | SV *count_sv = AvARRAY (av)[0]; |
3171 | SV *count_sv = AvARRAY (av)[0]; |
2946 | SV *coro_hv = SvRV (coro_current); |
3172 | SV *coro_hv = SvRV (coro_current); |
2947 | |
3173 | |
|
|
3174 | frame->destroy = 0; |
|
|
3175 | |
2948 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3176 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2949 | if (CORO_THROW) |
3177 | if (ecb_expect_false (CORO_THROW)) |
|
|
3178 | { |
|
|
3179 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3180 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3181 | |
2950 | return 0; |
3182 | return 0; |
|
|
3183 | } |
2951 | else if (SvIVX (count_sv) > 0) |
3184 | else if (SvIVX (count_sv) > 0) |
2952 | { |
3185 | { |
2953 | frame->destroy = 0; |
|
|
2954 | |
|
|
2955 | if (acquire) |
3186 | if (acquire) |
2956 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3187 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2957 | else |
3188 | else |
2958 | coro_semaphore_adjust (aTHX_ av, 0); |
3189 | coro_semaphore_adjust (aTHX_ av, 0); |
2959 | |
3190 | |
… | |
… | |
3070 | { |
3301 | { |
3071 | api_ready (aTHX_ cb); |
3302 | api_ready (aTHX_ cb); |
3072 | sv_setiv (cb, 0); /* signal waiter */ |
3303 | sv_setiv (cb, 0); /* signal waiter */ |
3073 | } |
3304 | } |
3074 | |
3305 | |
3075 | SvREFCNT_dec (cb); |
3306 | SvREFCNT_dec_NN (cb); |
3076 | |
3307 | |
3077 | --count; |
3308 | --count; |
3078 | } |
3309 | } |
3079 | } |
3310 | } |
3080 | |
3311 | |
… | |
… | |
3165 | } |
3396 | } |
3166 | |
3397 | |
3167 | av_push (state, data_sv); |
3398 | av_push (state, data_sv); |
3168 | |
3399 | |
3169 | api_ready (aTHX_ coro); |
3400 | api_ready (aTHX_ coro); |
3170 | SvREFCNT_dec (coro); |
3401 | SvREFCNT_dec_NN (coro); |
3171 | SvREFCNT_dec ((AV *)state); |
3402 | SvREFCNT_dec_NN ((AV *)state); |
3172 | } |
3403 | } |
3173 | |
3404 | |
3174 | static int |
3405 | static int |
3175 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3406 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3176 | { |
3407 | { |
… | |
… | |
3181 | /* it quickly returns */ |
3412 | /* it quickly returns */ |
3182 | if (CORO_THROW) |
3413 | if (CORO_THROW) |
3183 | return 0; |
3414 | return 0; |
3184 | |
3415 | |
3185 | /* one element that is an RV? repeat! */ |
3416 | /* one element that is an RV? repeat! */ |
3186 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3417 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3187 | return 1; |
3418 | return 1; |
3188 | |
3419 | |
3189 | /* restore status */ |
3420 | /* restore status */ |
3190 | { |
3421 | { |
3191 | SV *data_sv = av_pop (state); |
3422 | SV *data_sv = av_pop (state); |
… | |
… | |
3194 | errno = data->errorno; |
3425 | errno = data->errorno; |
3195 | PL_laststype = data->laststype; |
3426 | PL_laststype = data->laststype; |
3196 | PL_laststatval = data->laststatval; |
3427 | PL_laststatval = data->laststatval; |
3197 | PL_statcache = data->statcache; |
3428 | PL_statcache = data->statcache; |
3198 | |
3429 | |
3199 | SvREFCNT_dec (data_sv); |
3430 | SvREFCNT_dec_NN (data_sv); |
3200 | } |
3431 | } |
3201 | |
3432 | |
3202 | /* push result values */ |
3433 | /* push result values */ |
3203 | { |
3434 | { |
3204 | dSP; |
3435 | dSP; |
… | |
… | |
3381 | int count; |
3612 | int count; |
3382 | |
3613 | |
3383 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3614 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3384 | |
3615 | |
3385 | PUSHMARK (SP); |
3616 | PUSHMARK (SP); |
3386 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3617 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3387 | # include "state.h" |
3618 | #include "state.h" |
3388 | #undef VARx |
|
|
3389 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3619 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3390 | SPAGAIN; |
3620 | SPAGAIN; |
3391 | |
3621 | |
3392 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3622 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3393 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3623 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3394 | |
3624 | |
3395 | map_len = load_len + save_len + 16; |
3625 | map_len = load_len + save_len + 16; |
3396 | |
3626 | |
3397 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3627 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3628 | |
|
|
3629 | if (map_base == (char *)MAP_FAILED) |
|
|
3630 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3398 | |
3631 | |
3399 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3632 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3400 | |
3633 | |
3401 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3634 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3402 | memcpy (map_base, load_ptr, load_len); |
3635 | memcpy (map_base, load_ptr, load_len); |
… | |
… | |
3420 | |
3653 | |
3421 | PROTOTYPES: DISABLE |
3654 | PROTOTYPES: DISABLE |
3422 | |
3655 | |
3423 | BOOT: |
3656 | BOOT: |
3424 | { |
3657 | { |
|
|
3658 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3659 | #include "state.h" |
3425 | #ifdef USE_ITHREADS |
3660 | #ifdef USE_ITHREADS |
3426 | # if CORO_PTHREAD |
3661 | # if CORO_PTHREAD |
3427 | coro_thx = PERL_GET_CONTEXT; |
3662 | coro_thx = PERL_GET_CONTEXT; |
3428 | # endif |
3663 | # endif |
3429 | #endif |
3664 | #endif |
3430 | BOOT_PAGESIZE; |
|
|
3431 | |
|
|
3432 | /* perl defines these to check for existance first, but why it doesn't */ |
3665 | /* 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 */ |
3666 | /* just create them one at init time is not clear to me, except for */ |
3434 | /* programs trying to delete them, but... */ |
3667 | /* programs trying to delete them, but... */ |
3435 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3668 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3436 | DEFSV; |
3669 | DEFSV; |
… | |
… | |
3439 | cctx_current = cctx_new_empty (); |
3672 | cctx_current = cctx_new_empty (); |
3440 | |
3673 | |
3441 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3674 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3442 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3675 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3443 | |
3676 | |
3444 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3677 | { |
3445 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3678 | /* |
3446 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3679 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3680 | * by coro_sig_vtbl in hash values. |
|
|
3681 | */ |
|
|
3682 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3683 | |
|
|
3684 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3685 | assert (!mg->mg_virtual); |
|
|
3686 | |
|
|
3687 | /* |
|
|
3688 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3689 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3690 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3691 | * them. |
|
|
3692 | */ |
|
|
3693 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3694 | mg->mg_flags |= MGf_COPY; |
|
|
3695 | |
|
|
3696 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3697 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3698 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3699 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3700 | } |
3447 | |
3701 | |
3448 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3449 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3702 | 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)); |
3703 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3451 | |
3704 | |
3452 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3705 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
3706 | |
|
|
3707 | newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */ |
3453 | |
3708 | |
3454 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3709 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3455 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3710 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3456 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3711 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3457 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
3712 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
… | |
… | |
3506 | void |
3761 | void |
3507 | transfer (...) |
3762 | transfer (...) |
3508 | PROTOTYPE: $$ |
3763 | PROTOTYPE: $$ |
3509 | CODE: |
3764 | CODE: |
3510 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3765 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3511 | |
|
|
3512 | void |
|
|
3513 | _exit (int code) |
|
|
3514 | PROTOTYPE: $ |
|
|
3515 | CODE: |
|
|
3516 | _exit (code); |
|
|
3517 | |
3766 | |
3518 | SV * |
3767 | SV * |
3519 | clone (Coro::State coro) |
3768 | clone (Coro::State coro) |
3520 | CODE: |
3769 | CODE: |
3521 | { |
3770 | { |
… | |
… | |
3576 | void |
3825 | void |
3577 | list () |
3826 | list () |
3578 | PROTOTYPE: |
3827 | PROTOTYPE: |
3579 | PPCODE: |
3828 | PPCODE: |
3580 | { |
3829 | { |
3581 | struct coro *coro; |
3830 | struct coro *coro; |
3582 | for (coro = coro_first; coro; coro = coro->next) |
3831 | for (coro = coro_first; coro; coro = coro->next) |
3583 | if (coro->hv) |
3832 | if (coro->hv) |
3584 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3833 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3585 | } |
3834 | } |
3586 | |
3835 | |
… | |
… | |
3588 | call (Coro::State coro, SV *coderef) |
3837 | call (Coro::State coro, SV *coderef) |
3589 | ALIAS: |
3838 | ALIAS: |
3590 | eval = 1 |
3839 | eval = 1 |
3591 | CODE: |
3840 | CODE: |
3592 | { |
3841 | { |
|
|
3842 | struct coro *current = SvSTATE_current; |
|
|
3843 | |
3593 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3844 | if ((coro == current) || (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))) |
3594 | { |
3845 | { |
3595 | struct coro *current = SvSTATE_current; |
|
|
3596 | struct CoroSLF slf_save; |
3846 | struct CoroSLF slf_save; |
3597 | |
3847 | |
3598 | if (current != coro) |
3848 | if (current != coro) |
3599 | { |
3849 | { |
3600 | PUTBACK; |
3850 | PUTBACK; |
… | |
… | |
3650 | RETVAL = boolSV (coro->flags & ix); |
3900 | RETVAL = boolSV (coro->flags & ix); |
3651 | OUTPUT: |
3901 | OUTPUT: |
3652 | RETVAL |
3902 | RETVAL |
3653 | |
3903 | |
3654 | void |
3904 | void |
3655 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3905 | throw (SV *self, SV *exception = &PL_sv_undef) |
3656 | PROTOTYPE: $;$ |
3906 | PROTOTYPE: $;$ |
3657 | CODE: |
3907 | CODE: |
3658 | { |
3908 | { |
|
|
3909 | struct coro *coro = SvSTATE (self); |
3659 | struct coro *current = SvSTATE_current; |
3910 | struct coro *current = SvSTATE_current; |
3660 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3911 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3661 | SvREFCNT_dec (*exceptionp); |
3912 | SvREFCNT_dec (*exceptionp); |
3662 | SvGETMAGIC (exception); |
3913 | SvGETMAGIC (exception); |
3663 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3914 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3915 | |
|
|
3916 | api_ready (aTHX_ self); |
3664 | } |
3917 | } |
3665 | |
3918 | |
3666 | void |
3919 | void |
3667 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3920 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3668 | PROTOTYPE: $;$ |
3921 | PROTOTYPE: $;$ |
… | |
… | |
3745 | |
3998 | |
3746 | void |
3999 | void |
3747 | times (Coro::State self) |
4000 | times (Coro::State self) |
3748 | PPCODE: |
4001 | PPCODE: |
3749 | { |
4002 | { |
3750 | struct coro *current = SvSTATE (coro_current); |
4003 | struct coro *current = SvSTATE (coro_current); |
3751 | |
4004 | |
3752 | if (ecb_expect_false (current == self)) |
4005 | if (ecb_expect_false (current == self)) |
3753 | { |
4006 | { |
3754 | coro_times_update (); |
4007 | coro_times_update (); |
3755 | coro_times_add (SvSTATE (coro_current)); |
4008 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3762 | if (ecb_expect_false (current == self)) |
4015 | if (ecb_expect_false (current == self)) |
3763 | coro_times_sub (SvSTATE (coro_current)); |
4016 | coro_times_sub (SvSTATE (coro_current)); |
3764 | } |
4017 | } |
3765 | |
4018 | |
3766 | void |
4019 | void |
3767 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
4020 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3768 | CODE: |
4021 | CODE: |
3769 | { |
4022 | { |
3770 | struct coro *current = SvSTATE_current; |
4023 | struct coro *current = SvSTATE_current; |
|
|
4024 | AV *swap_sv; |
|
|
4025 | int i; |
|
|
4026 | |
|
|
4027 | sva = SvRV (sva); |
|
|
4028 | svb = SvRV (svb); |
3771 | |
4029 | |
3772 | if (current == coro) |
4030 | if (current == coro) |
3773 | SWAP_SVS (current); |
4031 | SWAP_SVS_LEAVE (current); |
3774 | |
4032 | |
3775 | if (!coro->swap_sv) |
4033 | if (!coro->swap_sv) |
3776 | coro->swap_sv = newAV (); |
4034 | coro->swap_sv = newAV (); |
3777 | |
4035 | |
|
|
4036 | swap_sv = coro->swap_sv; |
|
|
4037 | |
|
|
4038 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4039 | { |
|
|
4040 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4041 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4042 | |
|
|
4043 | if (a == sva && b == svb) |
|
|
4044 | { |
|
|
4045 | SvREFCNT_dec_NN (a); |
|
|
4046 | SvREFCNT_dec_NN (b); |
|
|
4047 | |
|
|
4048 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4049 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4050 | |
|
|
4051 | AvFILLp (swap_sv) -= 2; |
|
|
4052 | |
|
|
4053 | goto removed; |
|
|
4054 | } |
|
|
4055 | } |
|
|
4056 | |
3778 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4057 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3779 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4058 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4059 | |
|
|
4060 | removed: |
3780 | |
4061 | |
3781 | if (current == coro) |
4062 | if (current == coro) |
3782 | SWAP_SVS (current); |
4063 | SWAP_SVS_ENTER (current); |
3783 | } |
4064 | } |
3784 | |
4065 | |
3785 | |
4066 | |
3786 | MODULE = Coro::State PACKAGE = Coro |
4067 | MODULE = Coro::State PACKAGE = Coro |
3787 | |
4068 | |
3788 | BOOT: |
4069 | BOOT: |
3789 | { |
4070 | { |
|
|
4071 | if (SVt_LAST > 32) |
|
|
4072 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4073 | |
3790 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4074 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3791 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4075 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3792 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4076 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3793 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4077 | 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); |
4078 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3798 | |
4082 | |
3799 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4083 | 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); |
4084 | 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); |
4085 | 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 */ |
4086 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3803 | |
4087 | |
3804 | coro_stash = gv_stashpv ("Coro", TRUE); |
4088 | coro_stash = gv_stashpv ("Coro", TRUE); |
3805 | |
4089 | |
3806 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4090 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3807 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4091 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3808 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4092 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3820 | coroapi.ready = api_ready; |
4104 | coroapi.ready = api_ready; |
3821 | coroapi.is_ready = api_is_ready; |
4105 | coroapi.is_ready = api_is_ready; |
3822 | coroapi.nready = coro_nready; |
4106 | coroapi.nready = coro_nready; |
3823 | coroapi.current = coro_current; |
4107 | coroapi.current = coro_current; |
3824 | |
4108 | |
|
|
4109 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4110 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4111 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4112 | |
3825 | /*GCoroAPI = &coroapi;*/ |
4113 | /*GCoroAPI = &coroapi;*/ |
3826 | sv_setiv (sv, (IV)&coroapi); |
4114 | sv_setiv (sv, PTR2IV (&coroapi)); |
3827 | SvREADONLY_on (sv); |
4115 | SvREADONLY_on (sv); |
3828 | } |
4116 | } |
3829 | } |
4117 | } |
3830 | |
4118 | |
3831 | SV * |
4119 | SV * |
… | |
… | |
3894 | |
4182 | |
3895 | void |
4183 | void |
3896 | _set_current (SV *current) |
4184 | _set_current (SV *current) |
3897 | PROTOTYPE: $ |
4185 | PROTOTYPE: $ |
3898 | CODE: |
4186 | CODE: |
3899 | SvREFCNT_dec (SvRV (coro_current)); |
4187 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3900 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4188 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3901 | |
4189 | |
3902 | void |
4190 | void |
3903 | _set_readyhook (SV *hook) |
4191 | _set_readyhook (SV *hook) |
3904 | PROTOTYPE: $ |
4192 | PROTOTYPE: $ |
… | |
… | |
3988 | |
4276 | |
3989 | if ((SV *)hv == &PL_sv_undef) |
4277 | if ((SV *)hv == &PL_sv_undef) |
3990 | { |
4278 | { |
3991 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4279 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3992 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4280 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3993 | SvREFCNT_dec (sv); |
4281 | SvREFCNT_dec_NN (sv); |
3994 | } |
4282 | } |
3995 | |
4283 | |
3996 | { |
4284 | { |
3997 | struct coro *coro = SvSTATE_hv (hv); |
4285 | struct coro *coro = SvSTATE_hv (hv); |
3998 | |
4286 | |
… | |
… | |
4005 | api_ready (aTHX_ (SV *)hv); |
4293 | api_ready (aTHX_ (SV *)hv); |
4006 | |
4294 | |
4007 | if (GIMME_V != G_VOID) |
4295 | if (GIMME_V != G_VOID) |
4008 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4296 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4009 | else |
4297 | else |
4010 | SvREFCNT_dec (hv); |
4298 | SvREFCNT_dec_NN (hv); |
4011 | } |
4299 | } |
4012 | |
4300 | |
4013 | SV * |
4301 | SV * |
4014 | rouse_cb () |
4302 | rouse_cb () |
4015 | PROTOTYPE: |
4303 | PROTOTYPE: |
… | |
… | |
4030 | on_leave = 1 |
4318 | on_leave = 1 |
4031 | PROTOTYPE: & |
4319 | PROTOTYPE: & |
4032 | CODE: |
4320 | CODE: |
4033 | { |
4321 | { |
4034 | struct coro *coro = SvSTATE_current; |
4322 | struct coro *coro = SvSTATE_current; |
4035 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4323 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4036 | |
4324 | |
4037 | block = s_get_cv_croak (block); |
4325 | block = s_get_cv_croak (block); |
4038 | |
4326 | |
4039 | if (!*avp) |
4327 | if (!*avp) |
4040 | *avp = newAV (); |
4328 | *avp = newAV (); |
… | |
… | |
4060 | |
4348 | |
4061 | SV * |
4349 | SV * |
4062 | new (SV *klass, SV *count = 0) |
4350 | new (SV *klass, SV *count = 0) |
4063 | CODE: |
4351 | CODE: |
4064 | { |
4352 | { |
4065 | int semcnt = 1; |
4353 | int semcnt = 1; |
4066 | |
4354 | |
4067 | if (count) |
4355 | if (count) |
4068 | { |
4356 | { |
4069 | SvGETMAGIC (count); |
4357 | SvGETMAGIC (count); |
4070 | |
4358 | |
… | |
… | |
4094 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4382 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4095 | OUTPUT: |
4383 | OUTPUT: |
4096 | RETVAL |
4384 | RETVAL |
4097 | |
4385 | |
4098 | void |
4386 | void |
4099 | up (SV *self, int adjust = 1) |
4387 | up (SV *self) |
4100 | ALIAS: |
|
|
4101 | adjust = 1 |
|
|
4102 | CODE: |
4388 | CODE: |
|
|
4389 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4390 | |
|
|
4391 | void |
|
|
4392 | adjust (SV *self, int adjust) |
|
|
4393 | CODE: |
4103 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4394 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4104 | |
4395 | |
4105 | void |
4396 | void |
4106 | down (...) |
4397 | down (...) |
4107 | CODE: |
4398 | CODE: |
4108 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4399 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4130 | XSRETURN_NO; |
4421 | XSRETURN_NO; |
4131 | } |
4422 | } |
4132 | |
4423 | |
4133 | void |
4424 | void |
4134 | waiters (SV *self) |
4425 | waiters (SV *self) |
4135 | PPCODE: |
4426 | PPCODE: |
4136 | { |
4427 | { |
4137 | AV *av = (AV *)SvRV (self); |
4428 | AV *av = (AV *)SvRV (self); |
4138 | int wcount = AvFILLp (av) + 1 - 1; |
4429 | int wcount = AvFILLp (av) + 1 - 1; |
4139 | |
4430 | |
4140 | if (GIMME_V == G_SCALAR) |
4431 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4152 | |
4443 | |
4153 | void |
4444 | void |
4154 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4445 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4155 | PPCODE: |
4446 | PPCODE: |
4156 | { |
4447 | { |
4157 | AV *av = (AV *)SvRV (sem); |
4448 | AV *av = (AV *)SvRV (sem); |
4158 | |
4449 | |
4159 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4450 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4160 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4451 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4161 | && SvIV (AvARRAY (av)[0]) == count) |
4452 | && SvIV (AvARRAY (av)[0]) == count) |
4162 | XSRETURN_YES; |
4453 | XSRETURN_YES; |
… | |
… | |
4183 | |
4474 | |
4184 | void |
4475 | void |
4185 | broadcast (SV *self) |
4476 | broadcast (SV *self) |
4186 | CODE: |
4477 | CODE: |
4187 | { |
4478 | { |
4188 | AV *av = (AV *)SvRV (self); |
4479 | AV *av = (AV *)SvRV (self); |
4189 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4480 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4190 | } |
4481 | } |
4191 | |
4482 | |
4192 | void |
4483 | void |
4193 | send (SV *self) |
4484 | send (SV *self) |
… | |
… | |
4201 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4492 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4202 | } |
4493 | } |
4203 | |
4494 | |
4204 | IV |
4495 | IV |
4205 | awaited (SV *self) |
4496 | awaited (SV *self) |
4206 | CODE: |
4497 | CODE: |
4207 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4498 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4208 | OUTPUT: |
4499 | OUTPUT: |
4209 | RETVAL |
4500 | RETVAL |
4210 | |
4501 | |
4211 | |
4502 | |
… | |
… | |
4216 | |
4507 | |
4217 | void |
4508 | void |
4218 | _schedule (...) |
4509 | _schedule (...) |
4219 | CODE: |
4510 | CODE: |
4220 | { |
4511 | { |
4221 | static int incede; |
4512 | static int incede; |
4222 | |
4513 | |
4223 | api_cede_notself (aTHX); |
4514 | api_cede_notself (aTHX); |
4224 | |
4515 | |
4225 | ++incede; |
4516 | ++incede; |
4226 | while (coro_nready >= incede && api_cede (aTHX)) |
4517 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4270 | { |
4561 | { |
4271 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4562 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4272 | coro_old_pp_sselect = 0; |
4563 | coro_old_pp_sselect = 0; |
4273 | } |
4564 | } |
4274 | |
4565 | |
|
|
4566 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4567 | |
|
|
4568 | void |
|
|
4569 | _exit (int code) |
|
|
4570 | CODE: |
|
|
4571 | _exit (code); |
|
|
4572 | |
|
|
4573 | NV |
|
|
4574 | time () |
|
|
4575 | CODE: |
|
|
4576 | RETVAL = nvtime (aTHX); |
|
|
4577 | OUTPUT: |
|
|
4578 | RETVAL |
|
|
4579 | |
|
|
4580 | NV |
|
|
4581 | gettimeofday () |
|
|
4582 | PPCODE: |
|
|
4583 | { |
|
|
4584 | UV tv [2]; |
|
|
4585 | u2time (aTHX_ tv); |
|
|
4586 | EXTEND (SP, 2); |
|
|
4587 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4588 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4589 | } |
|
|
4590 | |