… | |
… | |
10 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
11 | |
11 | |
12 | #include <stdio.h> |
12 | #include <stdio.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <assert.h> |
14 | #include <assert.h> |
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15 | |
|
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16 | #ifdef WIN32 |
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17 | # undef setjmp |
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18 | # undef longjmp |
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19 | # undef _exit |
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20 | # define setjmp _setjmp // deep magic, don't ask |
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21 | #else |
15 | #include <inttypes.h> /* portable stdint.h */ |
22 | # include <inttypes.h> /* most portable stdint.h */ |
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23 | #endif |
16 | |
24 | |
17 | #ifdef HAVE_MMAP |
25 | #ifdef HAVE_MMAP |
18 | # include <unistd.h> |
26 | # include <unistd.h> |
19 | # include <sys/mman.h> |
27 | # include <sys/mman.h> |
20 | # ifndef MAP_ANONYMOUS |
28 | # ifndef MAP_ANONYMOUS |
… | |
… | |
72 | # ifndef IS_PADCONST |
80 | # ifndef IS_PADCONST |
73 | # define IS_PADCONST(v) 0 |
81 | # define IS_PADCONST(v) 0 |
74 | # endif |
82 | # endif |
75 | #endif |
83 | #endif |
76 | |
84 | |
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85 | /* 5.8.8 */ |
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86 | #ifndef GV_NOTQUAL |
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87 | # define GV_NOTQUAL 0 |
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88 | #endif |
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89 | #ifndef newSV |
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90 | # define newSV(l) NEWSV(0,l) |
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91 | #endif |
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92 | |
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93 | /* 5.11 */ |
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94 | #ifndef CxHASARGS |
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95 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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96 | #endif |
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97 | |
77 | /* 5.8.7 */ |
98 | /* 5.8.7 */ |
78 | #ifndef SvRV_set |
99 | #ifndef SvRV_set |
79 | # define SvRV_set(s,v) SvRV(s) = (v) |
100 | # define SvRV_set(s,v) SvRV(s) = (v) |
80 | #endif |
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81 | |
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82 | /* 5.8.8 */ |
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83 | #ifndef GV_NOTQUAL |
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84 | # define GV_NOTQUAL 0 |
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85 | #endif |
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86 | #ifndef newSV |
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87 | # define newSV(l) NEWSV(0,l) |
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88 | #endif |
101 | #endif |
89 | |
102 | |
90 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
103 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
91 | # undef CORO_STACKGUARD |
104 | # undef CORO_STACKGUARD |
92 | #endif |
105 | #endif |
… | |
… | |
131 | #else |
144 | #else |
132 | # define LOCK (void)0 |
145 | # define LOCK (void)0 |
133 | # define UNLOCK (void)0 |
146 | # define UNLOCK (void)0 |
134 | #endif |
147 | #endif |
135 | |
148 | |
136 | #define strpair(const) const, sizeof (const) - 1 |
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137 | |
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138 | /* helper storage struct for Coro::AIO */ |
149 | /* helper storage struct for Coro::AIO */ |
139 | struct io_state |
150 | struct io_state |
140 | { |
151 | { |
141 | int errorno; |
152 | int errorno; |
142 | I32 laststype; |
153 | I32 laststype; |
… | |
… | |
147 | static size_t coro_stacksize = CORO_STACKSIZE; |
158 | static size_t coro_stacksize = CORO_STACKSIZE; |
148 | static struct CoroAPI coroapi; |
159 | static struct CoroAPI coroapi; |
149 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
160 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
150 | static JMPENV *main_top_env; |
161 | static JMPENV *main_top_env; |
151 | static HV *coro_state_stash, *coro_stash; |
162 | static HV *coro_state_stash, *coro_stash; |
152 | static SV *coro_mortal; /* will be freed after next transfer */ |
163 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
153 | |
164 | |
154 | static GV *irsgv; /* $/ */ |
165 | static GV *irsgv; /* $/ */ |
155 | static GV *stdoutgv; /* *STDOUT */ |
166 | static GV *stdoutgv; /* *STDOUT */ |
156 | |
167 | static SV *rv_diehook; |
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168 | static SV *rv_warnhook; |
157 | static HV *hv_sig; /* %SIG */ |
169 | static HV *hv_sig; /* %SIG */ |
158 | static SV *sv_diehook; |
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|
159 | static SV *sv_warnhook; |
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160 | |
170 | |
161 | /* async_pool helper stuff */ |
171 | /* async_pool helper stuff */ |
162 | static SV *sv_pool_rss; |
172 | static SV *sv_pool_rss; |
163 | static SV *sv_pool_size; |
173 | static SV *sv_pool_size; |
164 | static AV *av_async_pool; |
174 | static AV *av_async_pool; |
165 | |
175 | |
166 | static struct coro_cctx *cctx_first[3]; /* index by GIMME_V type, void, scalar, array */ |
176 | /* Coro::AnyEvent */ |
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177 | static SV *sv_activity; |
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178 | |
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179 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle[3]; |
180 | static int cctx_count, cctx_idle; |
168 | |
181 | |
169 | enum { |
182 | enum { |
170 | CC_MAPPED = 0x01, |
183 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
184 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
185 | CC_TRACE = 0x04, |
… | |
… | |
217 | |
230 | |
218 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
219 | struct coro { |
232 | struct coro { |
220 | /* the c coroutine allocated to this perl coroutine, if any */ |
233 | /* the c coroutine allocated to this perl coroutine, if any */ |
221 | coro_cctx *cctx; |
234 | coro_cctx *cctx; |
222 | int gimme; |
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223 | |
235 | |
224 | /* process data */ |
236 | /* process data */ |
225 | AV *mainstack; |
237 | AV *mainstack; |
226 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
227 | |
239 | |
… | |
… | |
256 | #define PRIO_IDLE -3 |
268 | #define PRIO_IDLE -3 |
257 | #define PRIO_MIN -4 |
269 | #define PRIO_MIN -4 |
258 | |
270 | |
259 | /* for Coro.pm */ |
271 | /* for Coro.pm */ |
260 | static SV *coro_current; |
272 | static SV *coro_current; |
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|
273 | static SV *coro_readyhook; |
261 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
274 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
262 | static int coro_nready; |
275 | static int coro_nready; |
263 | static struct coro *coro_first; |
276 | static struct coro *coro_first; |
264 | |
277 | |
265 | /** lowlevel stuff **********************************************************/ |
278 | /** lowlevel stuff **********************************************************/ |
266 | |
279 | |
267 | static SV * |
280 | static SV * |
268 | coro_get_sv (const char *name, int create) |
281 | coro_get_sv (pTHX_ const char *name, int create) |
269 | { |
282 | { |
270 | #if PERL_VERSION_ATLEAST (5,9,0) |
283 | #if PERL_VERSION_ATLEAST (5,10,0) |
271 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
284 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
272 | get_sv (name, create); |
285 | get_sv (name, create); |
273 | #endif |
286 | #endif |
274 | return get_sv (name, create); |
287 | return get_sv (name, create); |
275 | } |
288 | } |
276 | |
289 | |
277 | static AV * |
290 | static AV * |
278 | coro_get_av (const char *name, int create) |
291 | coro_get_av (pTHX_ const char *name, int create) |
279 | { |
292 | { |
280 | #if PERL_VERSION_ATLEAST (5,9,0) |
293 | #if PERL_VERSION_ATLEAST (5,10,0) |
281 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
294 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
282 | get_av (name, create); |
295 | get_av (name, create); |
283 | #endif |
296 | #endif |
284 | return get_av (name, create); |
297 | return get_av (name, create); |
285 | } |
298 | } |
286 | |
299 | |
287 | static HV * |
300 | static HV * |
288 | coro_get_hv (const char *name, int create) |
301 | coro_get_hv (pTHX_ const char *name, int create) |
289 | { |
302 | { |
290 | #if PERL_VERSION_ATLEAST (5,9,0) |
303 | #if PERL_VERSION_ATLEAST (5,10,0) |
291 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
304 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
292 | get_hv (name, create); |
305 | get_hv (name, create); |
293 | #endif |
306 | #endif |
294 | return get_hv (name, create); |
307 | return get_hv (name, create); |
295 | } |
308 | } |
… | |
… | |
300 | AV *padlist = CvPADLIST (cv); |
313 | AV *padlist = CvPADLIST (cv); |
301 | AV *newpadlist, *newpad; |
314 | AV *newpadlist, *newpad; |
302 | |
315 | |
303 | newpadlist = newAV (); |
316 | newpadlist = newAV (); |
304 | AvREAL_off (newpadlist); |
317 | AvREAL_off (newpadlist); |
305 | #if PERL_VERSION_ATLEAST (5,9,0) |
318 | #if PERL_VERSION_ATLEAST (5,10,0) |
306 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
319 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
307 | #else |
320 | #else |
308 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
321 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
309 | #endif |
322 | #endif |
310 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
323 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
… | |
… | |
348 | |
361 | |
349 | /* casting is fun. */ |
362 | /* casting is fun. */ |
350 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
363 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
351 | free_padlist (aTHX_ padlist); |
364 | free_padlist (aTHX_ padlist); |
352 | |
365 | |
353 | SvREFCNT_dec (av); |
366 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
354 | |
367 | |
355 | return 0; |
368 | return 0; |
356 | } |
369 | } |
357 | |
370 | |
358 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
371 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
|
|
372 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
359 | |
373 | |
360 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
374 | static MGVTBL coro_cv_vtbl = { |
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375 | 0, 0, 0, 0, |
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376 | coro_cv_free |
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377 | }; |
361 | |
378 | |
362 | #define CORO_MAGIC(cv) \ |
379 | #define CORO_MAGIC(sv,type) \ |
363 | SvMAGIC (cv) \ |
380 | SvMAGIC (sv) \ |
364 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
381 | ? SvMAGIC (sv)->mg_type == type \ |
365 | ? SvMAGIC (cv) \ |
382 | ? SvMAGIC (sv) \ |
366 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
383 | : mg_find (sv, type) \ |
367 | : 0 |
384 | : 0 |
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385 | |
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386 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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387 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
368 | |
388 | |
369 | static struct coro * |
389 | static struct coro * |
370 | SvSTATE_ (pTHX_ SV *coro) |
390 | SvSTATE_ (pTHX_ SV *coro) |
371 | { |
391 | { |
372 | HV *stash; |
392 | HV *stash; |
… | |
… | |
384 | /* very slow, but rare, check */ |
404 | /* very slow, but rare, check */ |
385 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
386 | croak ("Coro::State object required"); |
406 | croak ("Coro::State object required"); |
387 | } |
407 | } |
388 | |
408 | |
389 | mg = CORO_MAGIC (coro); |
409 | mg = CORO_MAGIC_state (coro); |
390 | return (struct coro *)mg->mg_ptr; |
410 | return (struct coro *)mg->mg_ptr; |
391 | } |
411 | } |
392 | |
412 | |
393 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
394 | |
414 | |
395 | /* the next two functions merely cache the padlists */ |
415 | /* the next two functions merely cache the padlists */ |
396 | static void |
416 | static void |
397 | get_padlist (pTHX_ CV *cv) |
417 | get_padlist (pTHX_ CV *cv) |
398 | { |
418 | { |
399 | MAGIC *mg = CORO_MAGIC (cv); |
419 | MAGIC *mg = CORO_MAGIC_cv (cv); |
400 | AV *av; |
420 | AV *av; |
401 | |
421 | |
402 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
422 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
403 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
423 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
404 | else |
424 | else |
405 | { |
425 | { |
406 | #if CORO_PREFER_PERL_FUNCTIONS |
426 | #if CORO_PREFER_PERL_FUNCTIONS |
407 | /* this is probably cleaner, but also slower? */ |
427 | /* this is probably cleaner? but also slower! */ |
|
|
428 | /* in practise, it seems to be less stable */ |
408 | CV *cp = Perl_cv_clone (cv); |
429 | CV *cp = Perl_cv_clone (cv); |
409 | CvPADLIST (cv) = CvPADLIST (cp); |
430 | CvPADLIST (cv) = CvPADLIST (cp); |
410 | CvPADLIST (cp) = 0; |
431 | CvPADLIST (cp) = 0; |
411 | SvREFCNT_dec (cp); |
432 | SvREFCNT_dec (cp); |
412 | #else |
433 | #else |
… | |
… | |
416 | } |
437 | } |
417 | |
438 | |
418 | static void |
439 | static void |
419 | put_padlist (pTHX_ CV *cv) |
440 | put_padlist (pTHX_ CV *cv) |
420 | { |
441 | { |
421 | MAGIC *mg = CORO_MAGIC (cv); |
442 | MAGIC *mg = CORO_MAGIC_cv (cv); |
422 | AV *av; |
443 | AV *av; |
423 | |
444 | |
424 | if (expect_false (!mg)) |
445 | if (expect_false (!mg)) |
425 | { |
446 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
426 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
427 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
428 | mg->mg_virtual = &vtbl_coro; |
|
|
429 | mg->mg_obj = (SV *)newAV (); |
|
|
430 | } |
|
|
431 | |
447 | |
432 | av = (AV *)mg->mg_obj; |
448 | av = (AV *)mg->mg_obj; |
433 | |
449 | |
434 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
450 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
435 | av_extend (av, AvMAX (av) + 1); |
451 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
453 | GvSV (irsgv) = slot->irsgv; |
469 | GvSV (irsgv) = slot->irsgv; |
454 | |
470 | |
455 | #define VAR(name,type) PL_ ## name = slot->name; |
471 | #define VAR(name,type) PL_ ## name = slot->name; |
456 | # include "state.h" |
472 | # include "state.h" |
457 | #undef VAR |
473 | #undef VAR |
458 | |
|
|
459 | /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/ |
|
|
460 | /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/ |
|
|
461 | |
474 | |
462 | { |
475 | { |
463 | dSP; |
476 | dSP; |
464 | |
477 | |
465 | CV *cv; |
478 | CV *cv; |
… | |
… | |
504 | |
517 | |
505 | if (expect_true (CvDEPTH (cv))) |
518 | if (expect_true (CvDEPTH (cv))) |
506 | { |
519 | { |
507 | EXTEND (SP, 3); |
520 | EXTEND (SP, 3); |
508 | PUSHs ((SV *)CvPADLIST (cv)); |
521 | PUSHs ((SV *)CvPADLIST (cv)); |
509 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
522 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
510 | PUSHs ((SV *)cv); |
523 | PUSHs ((SV *)cv); |
511 | |
524 | |
512 | CvDEPTH (cv) = 0; |
525 | CvDEPTH (cv) = 0; |
513 | get_padlist (aTHX_ cv); |
526 | get_padlist (aTHX_ cv); |
514 | } |
527 | } |
… | |
… | |
594 | |
607 | |
595 | New(54,PL_savestack,24,ANY); |
608 | New(54,PL_savestack,24,ANY); |
596 | PL_savestack_ix = 0; |
609 | PL_savestack_ix = 0; |
597 | PL_savestack_max = 24; |
610 | PL_savestack_max = 24; |
598 | |
611 | |
599 | #if !PERL_VERSION_ATLEAST (5,9,0) |
612 | #if !PERL_VERSION_ATLEAST (5,10,0) |
600 | New(54,PL_retstack,4,OP*); |
613 | New(54,PL_retstack,4,OP*); |
601 | PL_retstack_ix = 0; |
614 | PL_retstack_ix = 0; |
602 | PL_retstack_max = 4; |
615 | PL_retstack_max = 4; |
603 | #endif |
616 | #endif |
604 | } |
617 | } |
… | |
… | |
627 | |
640 | |
628 | Safefree (PL_tmps_stack); |
641 | Safefree (PL_tmps_stack); |
629 | Safefree (PL_markstack); |
642 | Safefree (PL_markstack); |
630 | Safefree (PL_scopestack); |
643 | Safefree (PL_scopestack); |
631 | Safefree (PL_savestack); |
644 | Safefree (PL_savestack); |
632 | #if !PERL_VERSION_ATLEAST (5,9,0) |
645 | #if !PERL_VERSION_ATLEAST (5,10,0) |
633 | Safefree (PL_retstack); |
646 | Safefree (PL_retstack); |
634 | #endif |
647 | #endif |
635 | } |
648 | } |
636 | |
649 | |
637 | static size_t |
650 | static size_t |
… | |
… | |
653 | #undef VAR |
666 | #undef VAR |
654 | } |
667 | } |
655 | else |
668 | else |
656 | slot = coro->slot; |
669 | slot = coro->slot; |
657 | |
670 | |
|
|
671 | if (slot) |
|
|
672 | { |
658 | rss += sizeof (slot->curstackinfo); |
673 | rss += sizeof (slot->curstackinfo); |
659 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
674 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
660 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
675 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
661 | rss += slot->tmps_max * sizeof (SV *); |
676 | rss += slot->tmps_max * sizeof (SV *); |
662 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
677 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
663 | rss += slot->scopestack_max * sizeof (I32); |
678 | rss += slot->scopestack_max * sizeof (I32); |
664 | rss += slot->savestack_max * sizeof (ANY); |
679 | rss += slot->savestack_max * sizeof (ANY); |
665 | |
680 | |
666 | #if !PERL_VERSION_ATLEAST (5,9,0) |
681 | #if !PERL_VERSION_ATLEAST (5,10,0) |
667 | rss += slot->retstack_max * sizeof (OP *); |
682 | rss += slot->retstack_max * sizeof (OP *); |
668 | #endif |
683 | #endif |
|
|
684 | } |
669 | } |
685 | } |
670 | |
686 | |
671 | return rss; |
687 | return rss; |
672 | } |
688 | } |
673 | |
689 | |
674 | /** coroutine stack handling ************************************************/ |
690 | /** coroutine stack handling ************************************************/ |
|
|
691 | |
|
|
692 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
693 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
694 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
695 | |
|
|
696 | /* apparently < 5.8.8 */ |
|
|
697 | #ifndef MgPV_nolen_const |
|
|
698 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
699 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
700 | (const char*)(mg)->mg_ptr) |
|
|
701 | #endif |
|
|
702 | |
|
|
703 | /* |
|
|
704 | * This overrides the default magic get method of %SIG elements. |
|
|
705 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
706 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
707 | * readback here. |
|
|
708 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
709 | * not expecting this to actually change the hook. This is a potential problem |
|
|
710 | * when a schedule happens then, but we ignore this. |
|
|
711 | */ |
|
|
712 | static int |
|
|
713 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
714 | { |
|
|
715 | const char *s = MgPV_nolen_const (mg); |
|
|
716 | |
|
|
717 | if (*s == '_') |
|
|
718 | { |
|
|
719 | SV **svp = 0; |
|
|
720 | |
|
|
721 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
722 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
723 | |
|
|
724 | if (svp) |
|
|
725 | { |
|
|
726 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
727 | return 0; |
|
|
728 | } |
|
|
729 | } |
|
|
730 | |
|
|
731 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
732 | } |
|
|
733 | |
|
|
734 | static int |
|
|
735 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
736 | { |
|
|
737 | const char *s = MgPV_nolen_const (mg); |
|
|
738 | |
|
|
739 | if (*s == '_') |
|
|
740 | { |
|
|
741 | SV **svp = 0; |
|
|
742 | |
|
|
743 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
744 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
745 | |
|
|
746 | if (svp) |
|
|
747 | { |
|
|
748 | SV *old = *svp; |
|
|
749 | *svp = 0; |
|
|
750 | SvREFCNT_dec (old); |
|
|
751 | return 0; |
|
|
752 | } |
|
|
753 | } |
|
|
754 | |
|
|
755 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
756 | } |
|
|
757 | |
|
|
758 | static int |
|
|
759 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
760 | { |
|
|
761 | const char *s = MgPV_nolen_const (mg); |
|
|
762 | |
|
|
763 | if (*s == '_') |
|
|
764 | { |
|
|
765 | SV **svp = 0; |
|
|
766 | |
|
|
767 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
768 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
769 | |
|
|
770 | if (svp) |
|
|
771 | { |
|
|
772 | SV *old = *svp; |
|
|
773 | *svp = newSVsv (sv); |
|
|
774 | SvREFCNT_dec (old); |
|
|
775 | return 0; |
|
|
776 | } |
|
|
777 | } |
|
|
778 | |
|
|
779 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
780 | } |
675 | |
781 | |
676 | static void |
782 | static void |
677 | coro_setup (pTHX_ struct coro *coro) |
783 | coro_setup (pTHX_ struct coro *coro) |
678 | { |
784 | { |
679 | /* |
785 | /* |
… | |
… | |
688 | PL_curpm = 0; |
794 | PL_curpm = 0; |
689 | PL_curpad = 0; |
795 | PL_curpad = 0; |
690 | PL_localizing = 0; |
796 | PL_localizing = 0; |
691 | PL_dirty = 0; |
797 | PL_dirty = 0; |
692 | PL_restartop = 0; |
798 | PL_restartop = 0; |
693 | PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
799 | #if PERL_VERSION_ATLEAST (5,10,0) |
694 | PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
800 | PL_parser = 0; |
|
|
801 | #endif |
|
|
802 | |
|
|
803 | /* recreate the die/warn hooks */ |
|
|
804 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
805 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
695 | |
806 | |
696 | GvSV (PL_defgv) = newSV (0); |
807 | GvSV (PL_defgv) = newSV (0); |
697 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
808 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
698 | GvSV (PL_errgv) = newSV (0); |
809 | GvSV (PL_errgv) = newSV (0); |
699 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
810 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
712 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
823 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
713 | PUTBACK; |
824 | PUTBACK; |
714 | PL_op = (OP *)&myop; |
825 | PL_op = (OP *)&myop; |
715 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
826 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
716 | SPAGAIN; |
827 | SPAGAIN; |
717 | |
|
|
718 | /* |
|
|
719 | * now its very tricky. the "tail" of the next transfer might end up |
|
|
720 | * either in a new cctx, or an existing one. |
|
|
721 | * in case of an existing one we have to take care of whatever |
|
|
722 | * entersub and transfer do to the perl stack. |
|
|
723 | */ |
|
|
724 | ENTER; |
|
|
725 | EXTEND (SP, 4); |
|
|
726 | PUSHs ((SV *)0); /* items */ |
|
|
727 | PUSHs ((SV *)0); /* ix, set_stacklevel */ |
|
|
728 | PUSHs ((SV *)(sp - PL_stack_base + 1)); /* ax */ |
|
|
729 | PUSHs ((SV *)0); /* again */ |
|
|
730 | PUTBACK; |
|
|
731 | } |
828 | } |
|
|
829 | |
|
|
830 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
831 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
832 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
833 | * so we ENTER here for symmetry |
|
|
834 | */ |
|
|
835 | ENTER; |
732 | } |
836 | } |
733 | |
837 | |
734 | static void |
838 | static void |
735 | coro_destroy (pTHX_ struct coro *coro) |
839 | coro_destroy (pTHX_ struct coro *coro) |
736 | { |
840 | { |
… | |
… | |
820 | PUSHMARK (SP); |
924 | PUSHMARK (SP); |
821 | PUSHs (&PL_sv_no); |
925 | PUSHs (&PL_sv_no); |
822 | PUSHs (fullname); |
926 | PUSHs (fullname); |
823 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
927 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
824 | PUTBACK; |
928 | PUTBACK; |
825 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
929 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
826 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
930 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
827 | SPAGAIN; |
931 | SPAGAIN; |
828 | FREETMPS; |
932 | FREETMPS; |
829 | LEAVE; |
933 | LEAVE; |
830 | PL_runops = runops_trace; |
934 | PL_runops = runops_trace; |
… | |
… | |
857 | SAVETMPS; |
961 | SAVETMPS; |
858 | EXTEND (SP, 3); |
962 | EXTEND (SP, 3); |
859 | PUSHMARK (SP); |
963 | PUSHMARK (SP); |
860 | PUSHs (&PL_sv_yes); |
964 | PUSHs (&PL_sv_yes); |
861 | PUSHs (fullname); |
965 | PUSHs (fullname); |
862 | PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
966 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
863 | PUTBACK; |
967 | PUTBACK; |
864 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); |
968 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
865 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
969 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
866 | SPAGAIN; |
970 | SPAGAIN; |
867 | FREETMPS; |
971 | FREETMPS; |
868 | LEAVE; |
972 | LEAVE; |
869 | PL_runops = runops_trace; |
973 | PL_runops = runops_trace; |
… | |
… | |
883 | PL_runops = RUNOPS_DEFAULT; |
987 | PL_runops = RUNOPS_DEFAULT; |
884 | PUSHMARK (SP); |
988 | PUSHMARK (SP); |
885 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
989 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
886 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
990 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
887 | PUTBACK; |
991 | PUTBACK; |
888 | cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); |
992 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
889 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
993 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
890 | SPAGAIN; |
994 | SPAGAIN; |
891 | FREETMPS; |
995 | FREETMPS; |
892 | LEAVE; |
996 | LEAVE; |
893 | PL_runops = runops_trace; |
997 | PL_runops = runops_trace; |
… | |
… | |
1032 | |
1136 | |
1033 | /* wether this cctx should be destructed */ |
1137 | /* wether this cctx should be destructed */ |
1034 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1138 | #define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1035 | |
1139 | |
1036 | static coro_cctx * |
1140 | static coro_cctx * |
1037 | cctx_get (pTHX_ int gimme) |
1141 | cctx_get (pTHX) |
1038 | { |
1142 | { |
1039 | while (expect_true (cctx_first[gimme])) |
1143 | while (expect_true (cctx_first)) |
1040 | { |
1144 | { |
1041 | coro_cctx *cctx = cctx_first[gimme]; |
1145 | coro_cctx *cctx = cctx_first; |
1042 | cctx_first[gimme] = cctx->next; |
1146 | cctx_first = cctx->next; |
1043 | --cctx_idle[gimme]; |
1147 | --cctx_idle; |
1044 | |
1148 | |
1045 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1149 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1046 | return cctx; |
1150 | return cctx; |
1047 | |
1151 | |
1048 | cctx_destroy (cctx); |
1152 | cctx_destroy (cctx); |
1049 | } |
1153 | } |
1050 | |
1154 | |
1051 | assert (!gimme); |
|
|
1052 | return cctx_new (); |
1155 | return cctx_new (); |
1053 | } |
1156 | } |
1054 | |
1157 | |
1055 | static void |
1158 | static void |
1056 | cctx_put (coro_cctx *cctx, int gimme) |
1159 | cctx_put (coro_cctx *cctx) |
1057 | { |
1160 | { |
1058 | /* free another cctx if overlimit */ |
1161 | /* free another cctx if overlimit */ |
1059 | if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX)) |
1162 | if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1060 | { |
1163 | { |
1061 | coro_cctx *first = cctx_first[gimme]; |
1164 | coro_cctx *first = cctx_first; |
1062 | cctx_first[gimme] = first->next; |
1165 | cctx_first = first->next; |
1063 | --cctx_idle[gimme]; |
1166 | --cctx_idle; |
1064 | |
1167 | |
1065 | cctx_destroy (first); |
1168 | cctx_destroy (first); |
1066 | } |
1169 | } |
1067 | |
1170 | |
1068 | ++cctx_idle[gimme]; |
1171 | ++cctx_idle; |
1069 | cctx->next = cctx_first[gimme]; |
1172 | cctx->next = cctx_first; |
1070 | cctx_first[gimme] = cctx; |
1173 | cctx_first = cctx; |
1071 | } |
1174 | } |
1072 | |
1175 | |
1073 | /** coroutine switching *****************************************************/ |
1176 | /** coroutine switching *****************************************************/ |
1074 | |
1177 | |
1075 | static void |
1178 | static void |
… | |
… | |
1084 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1187 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1085 | |
1188 | |
1086 | if (expect_false (next->flags & CF_DESTROYED)) |
1189 | if (expect_false (next->flags & CF_DESTROYED)) |
1087 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1190 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1088 | |
1191 | |
1089 | if ( |
|
|
1090 | #if PERL_VERSION_ATLEAST (5,9,0) |
1192 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1091 | expect_false (PL_parser) |
|
|
1092 | #else |
|
|
1093 | expect_false (PL_lex_state != LEX_NOTPARSING) |
1193 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1094 | #endif |
|
|
1095 | ) |
|
|
1096 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1194 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1195 | #endif |
1097 | } |
1196 | } |
1098 | } |
1197 | } |
1099 | |
1198 | |
1100 | /* always use the TRANSFER macro */ |
1199 | /* always use the TRANSFER macro */ |
1101 | static void NOINLINE |
1200 | static void NOINLINE |
1102 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1201 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1103 | { |
1202 | { |
1104 | dSTACKLEVEL; |
1203 | dSTACKLEVEL; |
|
|
1204 | static volatile int has_throw; |
1105 | |
1205 | |
1106 | /* sometimes transfer is only called to set idle_sp */ |
1206 | /* sometimes transfer is only called to set idle_sp */ |
1107 | if (expect_false (!next)) |
1207 | if (expect_false (!next)) |
1108 | { |
1208 | { |
1109 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1209 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1124 | prev->flags &= ~CF_RUNNING; |
1224 | prev->flags &= ~CF_RUNNING; |
1125 | next->flags |= CF_RUNNING; |
1225 | next->flags |= CF_RUNNING; |
1126 | |
1226 | |
1127 | LOCK; |
1227 | LOCK; |
1128 | |
1228 | |
|
|
1229 | /* first get rid of the old state */ |
|
|
1230 | save_perl (aTHX_ prev); |
|
|
1231 | |
1129 | if (expect_false (next->flags & CF_NEW)) |
1232 | if (expect_false (next->flags & CF_NEW)) |
1130 | { |
1233 | { |
1131 | /* need to start coroutine */ |
1234 | /* need to start coroutine */ |
1132 | next->flags &= ~CF_NEW; |
1235 | next->flags &= ~CF_NEW; |
1133 | /* first get rid of the old state */ |
|
|
1134 | save_perl (aTHX_ prev); |
|
|
1135 | /* setup coroutine call */ |
1236 | /* setup coroutine call */ |
1136 | coro_setup (aTHX_ next); |
1237 | coro_setup (aTHX_ next); |
1137 | } |
1238 | } |
1138 | else |
1239 | else |
1139 | { |
|
|
1140 | /* coroutine already started */ |
|
|
1141 | save_perl (aTHX_ prev); |
|
|
1142 | load_perl (aTHX_ next); |
1240 | load_perl (aTHX_ next); |
1143 | } |
|
|
1144 | |
1241 | |
1145 | prev__cctx = prev->cctx; |
1242 | prev__cctx = prev->cctx; |
1146 | |
1243 | |
1147 | /* possibly "free" the cctx */ |
1244 | /* possibly "free" the cctx */ |
1148 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1245 | if (expect_true ( |
|
|
1246 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1247 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1248 | && !force_cctx |
|
|
1249 | )) |
1149 | { |
1250 | { |
1150 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1251 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1151 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1252 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1152 | |
1253 | |
1153 | prev->cctx = 0; |
1254 | prev->cctx = 0; |
1154 | |
1255 | |
1155 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1256 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1156 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1257 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1157 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1258 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1158 | if (!next->cctx) |
1259 | if (!next->cctx) |
1159 | next->cctx = cctx_get (aTHX_ next->gimme); |
1260 | next->cctx = cctx_get (aTHX); |
1160 | |
1261 | |
1161 | cctx_put (prev__cctx, prev->gimme); |
1262 | cctx_put (prev__cctx); |
1162 | } |
1263 | } |
1163 | |
1264 | |
1164 | ++next->usecount; |
1265 | ++next->usecount; |
1165 | |
1266 | |
1166 | if (expect_true (!next->cctx)) |
1267 | if (expect_true (!next->cctx)) |
1167 | next->cctx = cctx_get (aTHX_ next->gimme); |
1268 | next->cctx = cctx_get (aTHX); |
|
|
1269 | |
|
|
1270 | has_throw = !!next->throw; |
1168 | |
1271 | |
1169 | if (expect_false (prev__cctx != next->cctx)) |
1272 | if (expect_false (prev__cctx != next->cctx)) |
1170 | { |
1273 | { |
1171 | prev__cctx->top_env = PL_top_env; |
1274 | prev__cctx->top_env = PL_top_env; |
1172 | PL_top_env = next->cctx->top_env; |
1275 | PL_top_env = next->cctx->top_env; |
… | |
… | |
1174 | } |
1277 | } |
1175 | |
1278 | |
1176 | free_coro_mortal (aTHX); |
1279 | free_coro_mortal (aTHX); |
1177 | UNLOCK; |
1280 | UNLOCK; |
1178 | |
1281 | |
1179 | if (expect_false (prev->throw || next->throw)) |
1282 | if (expect_false (has_throw)) |
1180 | { |
1283 | { |
1181 | struct coro *coro = SvSTATE (coro_current); |
1284 | struct coro *coro = SvSTATE (coro_current); |
1182 | |
1285 | |
1183 | if (coro->throw) |
1286 | if (coro->throw) |
1184 | { |
1287 | { |
… | |
… | |
1194 | struct transfer_args |
1297 | struct transfer_args |
1195 | { |
1298 | { |
1196 | struct coro *prev, *next; |
1299 | struct coro *prev, *next; |
1197 | }; |
1300 | }; |
1198 | |
1301 | |
1199 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1302 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1200 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1303 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1201 | |
1304 | |
1202 | /** high level stuff ********************************************************/ |
1305 | /** high level stuff ********************************************************/ |
1203 | |
1306 | |
1204 | static int |
1307 | static int |
… | |
… | |
1298 | { |
1401 | { |
1299 | dTHX; |
1402 | dTHX; |
1300 | struct transfer_args ta; |
1403 | struct transfer_args ta; |
1301 | |
1404 | |
1302 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1405 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1303 | TRANSFER (ta); |
1406 | TRANSFER (ta, 1); |
1304 | } |
1407 | } |
1305 | |
1408 | |
1306 | /** Coro ********************************************************************/ |
1409 | /** Coro ********************************************************************/ |
1307 | |
1410 | |
1308 | static void |
1411 | static void |
… | |
… | |
1310 | { |
1413 | { |
1311 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1414 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1312 | } |
1415 | } |
1313 | |
1416 | |
1314 | static SV * |
1417 | static SV * |
1315 | coro_deq (pTHX_ int min_prio) |
1418 | coro_deq (pTHX) |
1316 | { |
1419 | { |
1317 | int prio = PRIO_MAX - PRIO_MIN; |
1420 | int prio; |
1318 | |
1421 | |
1319 | min_prio -= PRIO_MIN; |
|
|
1320 | if (min_prio < 0) |
|
|
1321 | min_prio = 0; |
|
|
1322 | |
|
|
1323 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1422 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1324 | if (AvFILLp (coro_ready [prio]) >= 0) |
1423 | if (AvFILLp (coro_ready [prio]) >= 0) |
1325 | return av_shift (coro_ready [prio]); |
1424 | return av_shift (coro_ready [prio]); |
1326 | |
1425 | |
1327 | return 0; |
1426 | return 0; |
1328 | } |
1427 | } |
… | |
… | |
1330 | static int |
1429 | static int |
1331 | api_ready (SV *coro_sv) |
1430 | api_ready (SV *coro_sv) |
1332 | { |
1431 | { |
1333 | dTHX; |
1432 | dTHX; |
1334 | struct coro *coro; |
1433 | struct coro *coro; |
|
|
1434 | SV *sv_hook; |
|
|
1435 | void (*xs_hook)(void); |
1335 | |
1436 | |
1336 | if (SvROK (coro_sv)) |
1437 | if (SvROK (coro_sv)) |
1337 | coro_sv = SvRV (coro_sv); |
1438 | coro_sv = SvRV (coro_sv); |
1338 | |
1439 | |
1339 | coro = SvSTATE (coro_sv); |
1440 | coro = SvSTATE (coro_sv); |
… | |
… | |
1342 | return 0; |
1443 | return 0; |
1343 | |
1444 | |
1344 | coro->flags |= CF_READY; |
1445 | coro->flags |= CF_READY; |
1345 | |
1446 | |
1346 | LOCK; |
1447 | LOCK; |
|
|
1448 | |
|
|
1449 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1450 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1451 | |
1347 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1452 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1348 | ++coro_nready; |
1453 | ++coro_nready; |
|
|
1454 | |
1349 | UNLOCK; |
1455 | UNLOCK; |
|
|
1456 | |
|
|
1457 | if (sv_hook) |
|
|
1458 | { |
|
|
1459 | dSP; |
|
|
1460 | |
|
|
1461 | ENTER; |
|
|
1462 | SAVETMPS; |
|
|
1463 | |
|
|
1464 | PUSHMARK (SP); |
|
|
1465 | PUTBACK; |
|
|
1466 | call_sv (sv_hook, G_DISCARD); |
|
|
1467 | SPAGAIN; |
|
|
1468 | |
|
|
1469 | FREETMPS; |
|
|
1470 | LEAVE; |
|
|
1471 | } |
|
|
1472 | |
|
|
1473 | if (xs_hook) |
|
|
1474 | xs_hook (); |
1350 | |
1475 | |
1351 | return 1; |
1476 | return 1; |
1352 | } |
1477 | } |
1353 | |
1478 | |
1354 | static int |
1479 | static int |
… | |
… | |
1364 | SV *prev_sv, *next_sv; |
1489 | SV *prev_sv, *next_sv; |
1365 | |
1490 | |
1366 | for (;;) |
1491 | for (;;) |
1367 | { |
1492 | { |
1368 | LOCK; |
1493 | LOCK; |
1369 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1494 | next_sv = coro_deq (aTHX); |
1370 | |
1495 | |
1371 | /* nothing to schedule: call the idle handler */ |
1496 | /* nothing to schedule: call the idle handler */ |
1372 | if (expect_false (!next_sv)) |
1497 | if (expect_false (!next_sv)) |
1373 | { |
1498 | { |
1374 | dSP; |
1499 | dSP; |
… | |
… | |
1378 | SAVETMPS; |
1503 | SAVETMPS; |
1379 | |
1504 | |
1380 | PUSHMARK (SP); |
1505 | PUSHMARK (SP); |
1381 | PUTBACK; |
1506 | PUTBACK; |
1382 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1507 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1508 | SPAGAIN; |
1383 | |
1509 | |
1384 | FREETMPS; |
1510 | FREETMPS; |
1385 | LEAVE; |
1511 | LEAVE; |
1386 | continue; |
1512 | continue; |
1387 | } |
1513 | } |
… | |
… | |
1442 | { |
1568 | { |
1443 | dTHX; |
1569 | dTHX; |
1444 | struct transfer_args ta; |
1570 | struct transfer_args ta; |
1445 | |
1571 | |
1446 | prepare_schedule (aTHX_ &ta); |
1572 | prepare_schedule (aTHX_ &ta); |
1447 | TRANSFER (ta); |
1573 | TRANSFER (ta, 1); |
1448 | } |
1574 | } |
1449 | |
1575 | |
1450 | static int |
1576 | static int |
1451 | api_cede (void) |
1577 | api_cede (void) |
1452 | { |
1578 | { |
… | |
… | |
1455 | |
1581 | |
1456 | prepare_cede (aTHX_ &ta); |
1582 | prepare_cede (aTHX_ &ta); |
1457 | |
1583 | |
1458 | if (expect_true (ta.prev != ta.next)) |
1584 | if (expect_true (ta.prev != ta.next)) |
1459 | { |
1585 | { |
1460 | TRANSFER (ta); |
1586 | TRANSFER (ta, 1); |
1461 | return 1; |
1587 | return 1; |
1462 | } |
1588 | } |
1463 | else |
1589 | else |
1464 | return 0; |
1590 | return 0; |
1465 | } |
1591 | } |
… | |
… | |
1470 | dTHX; |
1596 | dTHX; |
1471 | struct transfer_args ta; |
1597 | struct transfer_args ta; |
1472 | |
1598 | |
1473 | if (prepare_cede_notself (aTHX_ &ta)) |
1599 | if (prepare_cede_notself (aTHX_ &ta)) |
1474 | { |
1600 | { |
1475 | TRANSFER (ta); |
1601 | TRANSFER (ta, 1); |
1476 | return 1; |
1602 | return 1; |
1477 | } |
1603 | } |
1478 | else |
1604 | else |
1479 | return 0; |
1605 | return 0; |
1480 | } |
1606 | } |
… | |
… | |
1503 | else |
1629 | else |
1504 | coro->slot->runops = RUNOPS_DEFAULT; |
1630 | coro->slot->runops = RUNOPS_DEFAULT; |
1505 | } |
1631 | } |
1506 | } |
1632 | } |
1507 | |
1633 | |
|
|
1634 | static int |
|
|
1635 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1636 | { |
|
|
1637 | AV *padlist; |
|
|
1638 | AV *av = (AV *)mg->mg_obj; |
|
|
1639 | |
|
|
1640 | abort (); |
|
|
1641 | |
|
|
1642 | return 0; |
|
|
1643 | } |
|
|
1644 | |
|
|
1645 | static MGVTBL coro_gensub_vtbl = { |
|
|
1646 | 0, 0, 0, 0, |
|
|
1647 | coro_gensub_free |
|
|
1648 | }; |
|
|
1649 | |
1508 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1650 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1509 | |
1651 | |
1510 | PROTOTYPES: DISABLE |
1652 | PROTOTYPES: DISABLE |
1511 | |
1653 | |
1512 | BOOT: |
1654 | BOOT: |
… | |
… | |
1517 | BOOT_PAGESIZE; |
1659 | BOOT_PAGESIZE; |
1518 | |
1660 | |
1519 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1661 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1520 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1662 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1521 | |
1663 | |
|
|
1664 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1665 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1666 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1667 | |
1522 | hv_sig = coro_get_hv ("SIG", TRUE); |
1668 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1523 | sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); |
1669 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1524 | sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); |
1670 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1525 | |
|
|
1526 | if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); |
|
|
1527 | if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); |
|
|
1528 | |
1671 | |
1529 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1672 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1530 | |
1673 | |
1531 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1674 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1532 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1675 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1537 | main_top_env = PL_top_env; |
1680 | main_top_env = PL_top_env; |
1538 | |
1681 | |
1539 | while (main_top_env->je_prev) |
1682 | while (main_top_env->je_prev) |
1540 | main_top_env = main_top_env->je_prev; |
1683 | main_top_env = main_top_env->je_prev; |
1541 | |
1684 | |
1542 | coroapi.ver = CORO_API_VERSION; |
1685 | coroapi.ver = CORO_API_VERSION; |
|
|
1686 | coroapi.rev = CORO_API_REVISION; |
1543 | coroapi.transfer = api_transfer; |
1687 | coroapi.transfer = api_transfer; |
1544 | |
1688 | |
1545 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1689 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1546 | } |
1690 | } |
1547 | |
1691 | |
1548 | SV * |
1692 | SV * |
1549 | new (char *klass, ...) |
1693 | new (char *klass, ...) |
1550 | CODE: |
1694 | CODE: |
1551 | { |
1695 | { |
1552 | struct coro *coro; |
1696 | struct coro *coro; |
|
|
1697 | MAGIC *mg; |
1553 | HV *hv; |
1698 | HV *hv; |
1554 | int i; |
1699 | int i; |
1555 | |
1700 | |
1556 | Newz (0, coro, 1, struct coro); |
1701 | Newz (0, coro, 1, struct coro); |
1557 | coro->args = newAV (); |
1702 | coro->args = newAV (); |
… | |
… | |
1560 | if (coro_first) coro_first->prev = coro; |
1705 | if (coro_first) coro_first->prev = coro; |
1561 | coro->next = coro_first; |
1706 | coro->next = coro_first; |
1562 | coro_first = coro; |
1707 | coro_first = coro; |
1563 | |
1708 | |
1564 | coro->hv = hv = newHV (); |
1709 | coro->hv = hv = newHV (); |
1565 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1710 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1711 | mg->mg_flags |= MGf_DUP; |
1566 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1712 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1567 | |
1713 | |
1568 | av_extend (coro->args, items - 1); |
1714 | av_extend (coro->args, items - 1); |
1569 | for (i = 1; i < items; i++) |
1715 | for (i = 1; i < items; i++) |
1570 | av_push (coro->args, newSVsv (ST (i))); |
1716 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1576 | # function to increase chances that they all will call transfer with the same |
1722 | # function to increase chances that they all will call transfer with the same |
1577 | # stack offset |
1723 | # stack offset |
1578 | void |
1724 | void |
1579 | _set_stacklevel (...) |
1725 | _set_stacklevel (...) |
1580 | ALIAS: |
1726 | ALIAS: |
1581 | Coro::State::transfer = 1 |
1727 | Coro::State::transfer = 1 |
1582 | Coro::schedule = 2 |
1728 | Coro::schedule = 2 |
1583 | Coro::cede = 3 |
1729 | Coro::cede = 3 |
1584 | Coro::cede_notself = 4 |
1730 | Coro::cede_notself = 4 |
1585 | Coro::Event::next = 5 |
|
|
1586 | Coro::Event::next_cancel = 6 |
|
|
1587 | PPCODE: |
1731 | CODE: |
1588 | { |
1732 | { |
1589 | struct transfer_args ta; |
1733 | struct transfer_args ta; |
1590 | int again = 0; |
|
|
1591 | |
1734 | |
1592 | do |
1735 | PUTBACK; |
|
|
1736 | switch (ix) |
1593 | { |
1737 | { |
1594 | switch (ix) |
|
|
1595 | { |
|
|
1596 | case 0: |
1738 | case 0: |
1597 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1739 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1598 | ta.next = 0; |
1740 | ta.next = 0; |
1599 | break; |
1741 | break; |
1600 | |
1742 | |
1601 | case 1: |
1743 | case 1: |
1602 | if (items != 2) |
1744 | if (items != 2) |
1603 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1745 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1604 | |
1746 | |
1605 | prepare_transfer (aTHX_ &ta, ST(0), ST(1)); |
1747 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1606 | break; |
1748 | break; |
1607 | |
1749 | |
1608 | case 2: |
1750 | case 2: |
1609 | prepare_schedule (aTHX_ &ta); |
1751 | prepare_schedule (aTHX_ &ta); |
1610 | break; |
1752 | break; |
1611 | |
1753 | |
1612 | case 3: |
1754 | case 3: |
1613 | prepare_cede (aTHX_ &ta); |
1755 | prepare_cede (aTHX_ &ta); |
1614 | break; |
1756 | break; |
1615 | |
1757 | |
1616 | case 4: |
1758 | case 4: |
1617 | if (!prepare_cede_notself (aTHX_ &ta)) |
1759 | if (!prepare_cede_notself (aTHX_ &ta)) |
1618 | XSRETURN_EMPTY; |
1760 | XSRETURN_EMPTY; |
1619 | |
1761 | |
1620 | break; |
1762 | break; |
1621 | |
|
|
1622 | case 5: |
|
|
1623 | case 6: |
|
|
1624 | if (items != 1) |
|
|
1625 | croak ("Coro::Event::next (watcher) expects one argument, not %d", items); |
|
|
1626 | |
|
|
1627 | { |
|
|
1628 | SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID); |
|
|
1629 | |
|
|
1630 | if (ev) |
|
|
1631 | { |
|
|
1632 | if (GIMME_V != G_VOID) |
|
|
1633 | { |
|
|
1634 | XPUSHs (ev); |
|
|
1635 | XSRETURN (1); |
|
|
1636 | } |
|
|
1637 | else |
|
|
1638 | XSRETURN_EMPTY; |
|
|
1639 | } |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | prepare_schedule (aTHX_ &ta); |
|
|
1643 | again = 1; |
|
|
1644 | break; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | /* our caller, entersub, caches *only* this value */ |
|
|
1648 | ta.prev->gimme = GIMME_V == G_VOID ? 0 |
|
|
1649 | : GIMME_V == G_SCALAR ? 1 |
|
|
1650 | : 2; |
|
|
1651 | |
|
|
1652 | /* we need to save all local variables, as we might execute a different coroutine when transfer returns */ |
|
|
1653 | sp += 2; /* save args */ |
|
|
1654 | EXTEND (SP, 4); |
|
|
1655 | PUSHs ((SV *)(intptr_t)items); |
|
|
1656 | PUSHs ((SV *)(intptr_t)ix); |
|
|
1657 | PUSHs ((SV *)(intptr_t)ax); |
|
|
1658 | PUSHs ((SV *)(intptr_t)again); |
|
|
1659 | PUTBACK; |
|
|
1660 | BARRIER; |
|
|
1661 | TRANSFER (ta); |
|
|
1662 | BARRIER; |
|
|
1663 | SPAGAIN; |
|
|
1664 | again = (intptr_t)POPs; |
|
|
1665 | ax = (intptr_t)POPs; |
|
|
1666 | ix = (intptr_t)POPs; |
|
|
1667 | items = (intptr_t)POPs; |
|
|
1668 | sp -= 2; /* restore args */ |
|
|
1669 | } |
1763 | } |
1670 | while (again); |
1764 | SPAGAIN; |
1671 | |
1765 | |
1672 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1766 | BARRIER; |
1673 | XSRETURN_YES; |
1767 | PUTBACK; |
1674 | |
1768 | TRANSFER (ta, 0); |
1675 | XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */ |
1769 | SPAGAIN; /* might be the sp of a different coroutine now */ |
|
|
1770 | /* be extra careful not to ever do anything after TRANSFER */ |
1676 | } |
1771 | } |
1677 | |
1772 | |
1678 | bool |
1773 | bool |
1679 | _destroy (SV *coro_sv) |
1774 | _destroy (SV *coro_sv) |
1680 | CODE: |
1775 | CODE: |
1681 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1776 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1682 | OUTPUT: |
1777 | OUTPUT: |
1683 | RETVAL |
1778 | RETVAL |
1684 | |
1779 | |
1685 | void |
1780 | void |
1686 | _exit (code) |
1781 | _exit (int code) |
1687 | int code |
|
|
1688 | PROTOTYPE: $ |
1782 | PROTOTYPE: $ |
1689 | CODE: |
1783 | CODE: |
1690 | _exit (code); |
1784 | _exit (code); |
1691 | |
1785 | |
1692 | int |
1786 | int |
… | |
… | |
1706 | RETVAL |
1800 | RETVAL |
1707 | |
1801 | |
1708 | int |
1802 | int |
1709 | cctx_idle () |
1803 | cctx_idle () |
1710 | CODE: |
1804 | CODE: |
1711 | RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2]; |
1805 | RETVAL = cctx_idle; |
1712 | OUTPUT: |
1806 | OUTPUT: |
1713 | RETVAL |
1807 | RETVAL |
1714 | |
1808 | |
1715 | void |
1809 | void |
1716 | list () |
1810 | list () |
… | |
… | |
1726 | call (Coro::State coro, SV *coderef) |
1820 | call (Coro::State coro, SV *coderef) |
1727 | ALIAS: |
1821 | ALIAS: |
1728 | eval = 1 |
1822 | eval = 1 |
1729 | CODE: |
1823 | CODE: |
1730 | { |
1824 | { |
1731 | if (coro->mainstack) |
1825 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1732 | { |
1826 | { |
1733 | struct coro temp; |
1827 | struct coro temp; |
1734 | |
1828 | |
1735 | if (!(coro->flags & CF_RUNNING)) |
1829 | if (!(coro->flags & CF_RUNNING)) |
1736 | { |
1830 | { |
|
|
1831 | PUTBACK; |
1737 | save_perl (aTHX_ &temp); |
1832 | save_perl (aTHX_ &temp); |
1738 | load_perl (aTHX_ coro); |
1833 | load_perl (aTHX_ coro); |
1739 | } |
1834 | } |
1740 | |
1835 | |
1741 | { |
1836 | { |
… | |
… | |
1750 | eval_sv (coderef, 0); |
1845 | eval_sv (coderef, 0); |
1751 | else |
1846 | else |
1752 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1847 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1753 | |
1848 | |
1754 | POPSTACK; |
1849 | POPSTACK; |
|
|
1850 | SPAGAIN; |
1755 | FREETMPS; |
1851 | FREETMPS; |
1756 | LEAVE; |
1852 | LEAVE; |
|
|
1853 | PUTBACK; |
1757 | } |
1854 | } |
1758 | |
1855 | |
1759 | if (!(coro->flags & CF_RUNNING)) |
1856 | if (!(coro->flags & CF_RUNNING)) |
1760 | { |
1857 | { |
1761 | save_perl (aTHX_ coro); |
1858 | save_perl (aTHX_ coro); |
1762 | load_perl (aTHX_ &temp); |
1859 | load_perl (aTHX_ &temp); |
|
|
1860 | SPAGAIN; |
1763 | } |
1861 | } |
1764 | } |
1862 | } |
1765 | } |
1863 | } |
1766 | |
1864 | |
1767 | SV * |
1865 | SV * |
… | |
… | |
1779 | |
1877 | |
1780 | void |
1878 | void |
1781 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1879 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1782 | |
1880 | |
1783 | SV * |
1881 | SV * |
1784 | has_stack (Coro::State coro) |
1882 | has_cctx (Coro::State coro) |
1785 | PROTOTYPE: $ |
1883 | PROTOTYPE: $ |
1786 | CODE: |
1884 | CODE: |
1787 | RETVAL = boolSV (!!coro->cctx); |
1885 | RETVAL = boolSV (!!coro->cctx); |
1788 | OUTPUT: |
1886 | OUTPUT: |
1789 | RETVAL |
1887 | RETVAL |
… | |
… | |
1808 | case 1: RETVAL = coro->usecount; break; |
1906 | case 1: RETVAL = coro->usecount; break; |
1809 | } |
1907 | } |
1810 | OUTPUT: |
1908 | OUTPUT: |
1811 | RETVAL |
1909 | RETVAL |
1812 | |
1910 | |
|
|
1911 | void |
|
|
1912 | force_cctx () |
|
|
1913 | CODE: |
|
|
1914 | struct coro *coro = SvSTATE (coro_current); |
|
|
1915 | coro->cctx->idle_sp = 0; |
|
|
1916 | |
|
|
1917 | void |
|
|
1918 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1919 | PROTOTYPE: $;$ |
|
|
1920 | CODE: |
|
|
1921 | SvREFCNT_dec (self->throw); |
|
|
1922 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1923 | |
|
|
1924 | void |
|
|
1925 | swap_defsv (Coro::State self) |
|
|
1926 | PROTOTYPE: $ |
|
|
1927 | ALIAS: |
|
|
1928 | swap_defav = 1 |
|
|
1929 | CODE: |
|
|
1930 | if (!self->slot) |
|
|
1931 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
1932 | else |
|
|
1933 | { |
|
|
1934 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
1935 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
1936 | |
|
|
1937 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
1938 | } |
1813 | |
1939 | |
1814 | MODULE = Coro::State PACKAGE = Coro |
1940 | MODULE = Coro::State PACKAGE = Coro |
1815 | |
1941 | |
1816 | BOOT: |
1942 | BOOT: |
1817 | { |
1943 | { |
1818 | int i; |
1944 | int i; |
1819 | |
1945 | |
1820 | sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1821 | sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1822 | av_async_pool = coro_get_av ("Coro::async_pool", TRUE); |
1946 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
1947 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
1948 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1823 | |
1949 | |
1824 | coro_current = coro_get_sv ("Coro::current", FALSE); |
1950 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1825 | SvREADONLY_on (coro_current); |
1951 | SvREADONLY_on (coro_current); |
1826 | |
1952 | |
1827 | coro_stash = gv_stashpv ("Coro", TRUE); |
1953 | coro_stash = gv_stashpv ("Coro", TRUE); |
1828 | |
1954 | |
1829 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1955 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
… | |
… | |
1859 | PROTOTYPE: $ |
1985 | PROTOTYPE: $ |
1860 | CODE: |
1986 | CODE: |
1861 | SvREFCNT_dec (SvRV (coro_current)); |
1987 | SvREFCNT_dec (SvRV (coro_current)); |
1862 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1988 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1863 | |
1989 | |
|
|
1990 | void |
|
|
1991 | _set_readyhook (SV *hook) |
|
|
1992 | PROTOTYPE: $ |
|
|
1993 | CODE: |
|
|
1994 | LOCK; |
|
|
1995 | SvREFCNT_dec (coro_readyhook); |
|
|
1996 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
1997 | UNLOCK; |
|
|
1998 | |
1864 | int |
1999 | int |
1865 | prio (Coro::State coro, int newprio = 0) |
2000 | prio (Coro::State coro, int newprio = 0) |
1866 | ALIAS: |
2001 | ALIAS: |
1867 | nice = 1 |
2002 | nice = 1 |
1868 | CODE: |
2003 | CODE: |
… | |
… | |
1897 | CODE: |
2032 | CODE: |
1898 | RETVAL = coro_nready; |
2033 | RETVAL = coro_nready; |
1899 | OUTPUT: |
2034 | OUTPUT: |
1900 | RETVAL |
2035 | RETVAL |
1901 | |
2036 | |
1902 | void |
|
|
1903 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1904 | PROTOTYPE: $;$ |
|
|
1905 | CODE: |
|
|
1906 | SvREFCNT_dec (self->throw); |
|
|
1907 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1908 | |
|
|
1909 | # for async_pool speedup |
2037 | # for async_pool speedup |
1910 | void |
2038 | void |
1911 | _pool_1 (SV *cb) |
2039 | _pool_1 (SV *cb) |
1912 | CODE: |
2040 | CODE: |
1913 | { |
2041 | { |
1914 | struct coro *coro = SvSTATE (coro_current); |
2042 | struct coro *coro = SvSTATE (coro_current); |
1915 | HV *hv = (HV *)SvRV (coro_current); |
2043 | HV *hv = (HV *)SvRV (coro_current); |
1916 | AV *defav = GvAV (PL_defgv); |
2044 | AV *defav = GvAV (PL_defgv); |
1917 | SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); |
2045 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1918 | AV *invoke_av; |
2046 | AV *invoke_av; |
1919 | int i, len; |
2047 | int i, len; |
1920 | |
2048 | |
1921 | if (!invoke) |
2049 | if (!invoke) |
|
|
2050 | { |
|
|
2051 | SV *old = PL_diehook; |
|
|
2052 | PL_diehook = 0; |
|
|
2053 | SvREFCNT_dec (old); |
1922 | croak ("\3async_pool terminate\2\n"); |
2054 | croak ("\3async_pool terminate\2\n"); |
|
|
2055 | } |
1923 | |
2056 | |
1924 | SvREFCNT_dec (coro->saved_deffh); |
2057 | SvREFCNT_dec (coro->saved_deffh); |
1925 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
2058 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1926 | |
2059 | |
1927 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2060 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1928 | newSVpvn (strpair ("[async_pool]")), 0); |
2061 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1929 | |
2062 | |
1930 | invoke_av = (AV *)SvRV (invoke); |
2063 | invoke_av = (AV *)SvRV (invoke); |
1931 | len = av_len (invoke_av); |
2064 | len = av_len (invoke_av); |
1932 | |
2065 | |
1933 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
2066 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
… | |
… | |
1953 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2086 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1954 | coro->saved_deffh = 0; |
2087 | coro->saved_deffh = 0; |
1955 | |
2088 | |
1956 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
2089 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1957 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2090 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2091 | { |
|
|
2092 | SV *old = PL_diehook; |
|
|
2093 | PL_diehook = 0; |
|
|
2094 | SvREFCNT_dec (old); |
1958 | croak ("\3async_pool terminate\2\n"); |
2095 | croak ("\3async_pool terminate\2\n"); |
|
|
2096 | } |
1959 | |
2097 | |
1960 | av_clear (GvAV (PL_defgv)); |
2098 | av_clear (GvAV (PL_defgv)); |
1961 | hv_store ((HV *)SvRV (coro_current), strpair ("desc"), |
2099 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1962 | newSVpvn (strpair ("[async_pool idle]")), 0); |
2100 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1963 | |
2101 | |
1964 | coro->prio = 0; |
2102 | coro->prio = 0; |
1965 | |
2103 | |
1966 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2104 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1967 | api_trace (coro_current, 0); |
2105 | api_trace (coro_current, 0); |
1968 | |
2106 | |
1969 | av_push (av_async_pool, newSVsv (coro_current)); |
2107 | av_push (av_async_pool, newSVsv (coro_current)); |
1970 | } |
2108 | } |
|
|
2109 | |
|
|
2110 | #if 0 |
|
|
2111 | |
|
|
2112 | void |
|
|
2113 | _generator_call (...) |
|
|
2114 | PROTOTYPE: @ |
|
|
2115 | PPCODE: |
|
|
2116 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2117 | xxxx |
|
|
2118 | abort (); |
|
|
2119 | |
|
|
2120 | SV * |
|
|
2121 | gensub (SV *sub, ...) |
|
|
2122 | PROTOTYPE: &;@ |
|
|
2123 | CODE: |
|
|
2124 | { |
|
|
2125 | struct coro *coro; |
|
|
2126 | MAGIC *mg; |
|
|
2127 | CV *xcv; |
|
|
2128 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2129 | int i; |
|
|
2130 | |
|
|
2131 | CvGV (ncv) = CvGV (cv); |
|
|
2132 | CvFILE (ncv) = CvFILE (cv); |
|
|
2133 | |
|
|
2134 | Newz (0, coro, 1, struct coro); |
|
|
2135 | coro->args = newAV (); |
|
|
2136 | coro->flags = CF_NEW; |
|
|
2137 | |
|
|
2138 | av_extend (coro->args, items - 1); |
|
|
2139 | for (i = 1; i < items; i++) |
|
|
2140 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2141 | |
|
|
2142 | CvISXSUB_on (ncv); |
|
|
2143 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2144 | |
|
|
2145 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2146 | |
|
|
2147 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2148 | CvANON_on (ncv); |
|
|
2149 | |
|
|
2150 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2151 | RETVAL = newRV_noinc ((SV *)ncv); |
|
|
2152 | } |
|
|
2153 | OUTPUT: |
|
|
2154 | RETVAL |
|
|
2155 | |
|
|
2156 | #endif |
1971 | |
2157 | |
1972 | |
2158 | |
1973 | MODULE = Coro::State PACKAGE = Coro::AIO |
2159 | MODULE = Coro::State PACKAGE = Coro::AIO |
1974 | |
2160 | |
1975 | SV * |
2161 | SV * |
… | |
… | |
2002 | PL_laststype = data->laststype; |
2188 | PL_laststype = data->laststype; |
2003 | PL_laststatval = data->laststatval; |
2189 | PL_laststatval = data->laststatval; |
2004 | PL_statcache = data->statcache; |
2190 | PL_statcache = data->statcache; |
2005 | } |
2191 | } |
2006 | |
2192 | |
|
|
2193 | |
|
|
2194 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2195 | |
|
|
2196 | BOOT: |
|
|
2197 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2198 | |
|
|
2199 | SV * |
|
|
2200 | _schedule (...) |
|
|
2201 | PROTOTYPE: @ |
|
|
2202 | CODE: |
|
|
2203 | { |
|
|
2204 | static int incede; |
|
|
2205 | |
|
|
2206 | api_cede_notself (); |
|
|
2207 | |
|
|
2208 | ++incede; |
|
|
2209 | while (coro_nready >= incede && api_cede ()) |
|
|
2210 | ; |
|
|
2211 | |
|
|
2212 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2213 | if (coro_nready >= incede) |
|
|
2214 | { |
|
|
2215 | PUSHMARK (SP); |
|
|
2216 | PUTBACK; |
|
|
2217 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2218 | SPAGAIN; |
|
|
2219 | } |
|
|
2220 | |
|
|
2221 | --incede; |
|
|
2222 | } |
|
|
2223 | |