1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
8 | |
9 | |
9 | #include "patchlevel.h" |
10 | #include "patchlevel.h" |
10 | |
11 | |
11 | #include <stdio.h> |
12 | #include <stdio.h> |
12 | #include <errno.h> |
13 | #include <errno.h> |
13 | #include <assert.h> |
14 | #include <assert.h> |
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15 | #include <inttypes.h> /* portable stdint.h */ |
14 | |
16 | |
15 | #ifdef HAVE_MMAP |
17 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
18 | # include <unistd.h> |
17 | # include <sys/mman.h> |
19 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
20 | # ifndef MAP_ANONYMOUS |
… | |
… | |
143 | static size_t coro_stacksize = CORO_STACKSIZE; |
145 | static size_t coro_stacksize = CORO_STACKSIZE; |
144 | static struct CoroAPI coroapi; |
146 | static struct CoroAPI coroapi; |
145 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
147 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
146 | static JMPENV *main_top_env; |
148 | static JMPENV *main_top_env; |
147 | static HV *coro_state_stash, *coro_stash; |
149 | static HV *coro_state_stash, *coro_stash; |
148 | static SV *coro_mortal; /* will be freed after next transfer */ |
150 | static volatile SV *coro_mortal; /* will be freed after next transfer */ |
149 | |
151 | |
150 | static GV *irsgv; /* $/ */ |
152 | static GV *irsgv; /* $/ */ |
151 | static GV *stdoutgv; /* *STDOUT */ |
153 | static GV *stdoutgv; /* *STDOUT */ |
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154 | static SV *rv_diehook; |
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155 | static SV *rv_warnhook; |
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156 | static HV *hv_sig; /* %SIG */ |
152 | |
157 | |
153 | /* async_pool helper stuff */ |
158 | /* async_pool helper stuff */ |
154 | static SV *sv_pool_rss; |
159 | static SV *sv_pool_rss; |
155 | static SV *sv_pool_size; |
160 | static SV *sv_pool_size; |
156 | static AV *av_async_pool; |
161 | static AV *av_async_pool; |
… | |
… | |
192 | CF_READY = 0x0002, /* coroutine is ready */ |
197 | CF_READY = 0x0002, /* coroutine is ready */ |
193 | CF_NEW = 0x0004, /* has never been switched to */ |
198 | CF_NEW = 0x0004, /* has never been switched to */ |
194 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
199 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
195 | }; |
200 | }; |
196 | |
201 | |
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202 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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203 | typedef struct { |
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204 | SV *defsv; |
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205 | AV *defav; |
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206 | SV *errsv; |
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207 | SV *irsgv; |
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208 | #define VAR(name,type) type name; |
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209 | # include "state.h" |
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210 | #undef VAR |
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211 | } perl_slots; |
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212 | |
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213 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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214 | |
197 | /* this is a structure representing a perl-level coroutine */ |
215 | /* this is a structure representing a perl-level coroutine */ |
198 | struct coro { |
216 | struct coro { |
199 | /* the c coroutine allocated to this perl coroutine, if any */ |
217 | /* the c coroutine allocated to this perl coroutine, if any */ |
200 | coro_cctx *cctx; |
218 | coro_cctx *cctx; |
201 | |
219 | |
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220 | /* process data */ |
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221 | AV *mainstack; |
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222 | perl_slots *slot; /* basically the saved sp */ |
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223 | |
202 | /* data associated with this coroutine (initial args) */ |
224 | AV *args; /* data associated with this coroutine (initial args) */ |
203 | AV *args; |
225 | int refcnt; /* coroutines are refcounted, yes */ |
204 | int refcnt; |
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205 | int flags; /* CF_ flags */ |
226 | int flags; /* CF_ flags */ |
206 | |
227 | HV *hv; /* the perl hash associated with this coro, if any */ |
207 | /* optionally saved, might be zero */ |
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208 | AV *defav; /* @_ */ |
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209 | SV *defsv; /* $_ */ |
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210 | SV *errsv; /* $@ */ |
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211 | SV *deffh; /* default filehandle */ |
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212 | SV *irssv; /* $/ */ |
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213 | SV *irssv_sv; /* real $/ cache */ |
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214 | |
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215 | #define VAR(name,type) type name; |
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216 | # include "state.h" |
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217 | #undef VAR |
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218 | |
228 | |
219 | /* statistics */ |
229 | /* statistics */ |
220 | int usecount; /* number of transfers to this coro */ |
230 | int usecount; /* number of transfers to this coro */ |
221 | |
231 | |
222 | /* coro process data */ |
232 | /* coro process data */ |
223 | int prio; |
233 | int prio; |
224 | //SV *throw; |
234 | SV *throw; /* exception to be thrown */ |
225 | |
235 | |
226 | /* async_pool */ |
236 | /* async_pool */ |
227 | SV *saved_deffh; |
237 | SV *saved_deffh; |
228 | |
238 | |
229 | /* linked list */ |
239 | /* linked list */ |
230 | struct coro *next, *prev; |
240 | struct coro *next, *prev; |
231 | HV *hv; /* the perl hash associated with this coro, if any */ |
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232 | }; |
241 | }; |
233 | |
242 | |
234 | typedef struct coro *Coro__State; |
243 | typedef struct coro *Coro__State; |
235 | typedef struct coro *Coro__State_or_hashref; |
244 | typedef struct coro *Coro__State_or_hashref; |
236 | |
245 | |
… | |
… | |
248 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
257 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
249 | static int coro_nready; |
258 | static int coro_nready; |
250 | static struct coro *coro_first; |
259 | static struct coro *coro_first; |
251 | |
260 | |
252 | /** lowlevel stuff **********************************************************/ |
261 | /** lowlevel stuff **********************************************************/ |
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262 | |
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263 | static SV * |
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264 | coro_get_sv (pTHX_ const char *name, int create) |
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265 | { |
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266 | #if PERL_VERSION_ATLEAST (5,9,0) |
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267 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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268 | get_sv (name, create); |
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269 | #endif |
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270 | return get_sv (name, create); |
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271 | } |
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272 | |
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273 | static AV * |
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274 | coro_get_av (pTHX_ const char *name, int create) |
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275 | { |
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276 | #if PERL_VERSION_ATLEAST (5,9,0) |
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277 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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278 | get_av (name, create); |
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279 | #endif |
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280 | return get_av (name, create); |
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281 | } |
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282 | |
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283 | static HV * |
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284 | coro_get_hv (pTHX_ const char *name, int create) |
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285 | { |
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286 | #if PERL_VERSION_ATLEAST (5,9,0) |
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287 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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288 | get_hv (name, create); |
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289 | #endif |
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290 | return get_hv (name, create); |
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291 | } |
253 | |
292 | |
254 | static AV * |
293 | static AV * |
255 | coro_clone_padlist (pTHX_ CV *cv) |
294 | coro_clone_padlist (pTHX_ CV *cv) |
256 | { |
295 | { |
257 | AV *padlist = CvPADLIST (cv); |
296 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
305 | |
344 | |
306 | /* casting is fun. */ |
345 | /* casting is fun. */ |
307 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
346 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
308 | free_padlist (aTHX_ padlist); |
347 | free_padlist (aTHX_ padlist); |
309 | |
348 | |
310 | SvREFCNT_dec (av); |
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311 | |
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312 | return 0; |
349 | return 0; |
313 | } |
350 | } |
314 | |
351 | |
315 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
352 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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353 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
316 | |
354 | |
317 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
355 | static MGVTBL coro_cv_vtbl = { |
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356 | 0, 0, 0, 0, |
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357 | coro_cv_free |
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358 | }; |
318 | |
359 | |
319 | #define CORO_MAGIC(cv) \ |
360 | #define CORO_MAGIC(sv,type) \ |
320 | SvMAGIC (cv) \ |
361 | SvMAGIC (sv) \ |
321 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
362 | ? SvMAGIC (sv)->mg_type == type \ |
322 | ? SvMAGIC (cv) \ |
363 | ? SvMAGIC (sv) \ |
323 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
364 | : mg_find (sv, type) \ |
324 | : 0 |
365 | : 0 |
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366 | |
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367 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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368 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
325 | |
369 | |
326 | static struct coro * |
370 | static struct coro * |
327 | SvSTATE_ (pTHX_ SV *coro) |
371 | SvSTATE_ (pTHX_ SV *coro) |
328 | { |
372 | { |
329 | HV *stash; |
373 | HV *stash; |
… | |
… | |
341 | /* very slow, but rare, check */ |
385 | /* very slow, but rare, check */ |
342 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
386 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
343 | croak ("Coro::State object required"); |
387 | croak ("Coro::State object required"); |
344 | } |
388 | } |
345 | |
389 | |
346 | mg = CORO_MAGIC (coro); |
390 | mg = CORO_MAGIC_state (coro); |
347 | return (struct coro *)mg->mg_ptr; |
391 | return (struct coro *)mg->mg_ptr; |
348 | } |
392 | } |
349 | |
393 | |
350 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
394 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
351 | |
395 | |
352 | /* the next two functions merely cache the padlists */ |
396 | /* the next two functions merely cache the padlists */ |
353 | static void |
397 | static void |
354 | get_padlist (pTHX_ CV *cv) |
398 | get_padlist (pTHX_ CV *cv) |
355 | { |
399 | { |
356 | MAGIC *mg = CORO_MAGIC (cv); |
400 | MAGIC *mg = CORO_MAGIC_cv (cv); |
357 | AV *av; |
401 | AV *av; |
358 | |
402 | |
359 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
403 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
360 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
404 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
361 | else |
405 | else |
… | |
… | |
373 | } |
417 | } |
374 | |
418 | |
375 | static void |
419 | static void |
376 | put_padlist (pTHX_ CV *cv) |
420 | put_padlist (pTHX_ CV *cv) |
377 | { |
421 | { |
378 | MAGIC *mg = CORO_MAGIC (cv); |
422 | MAGIC *mg = CORO_MAGIC_cv (cv); |
379 | AV *av; |
423 | AV *av; |
380 | |
424 | |
381 | if (expect_false (!mg)) |
425 | if (expect_false (!mg)) |
382 | { |
426 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
383 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
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384 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
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385 | mg->mg_virtual = &vtbl_coro; |
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386 | mg->mg_obj = (SV *)newAV (); |
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387 | } |
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388 | |
427 | |
389 | av = (AV *)mg->mg_obj; |
428 | av = (AV *)mg->mg_obj; |
390 | |
429 | |
391 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
430 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
392 | av_extend (av, AvMAX (av) + 1); |
431 | av_extend (av, AvMAX (av) + 1); |
… | |
… | |
397 | /** load & save, init *******************************************************/ |
436 | /** load & save, init *******************************************************/ |
398 | |
437 | |
399 | static void |
438 | static void |
400 | load_perl (pTHX_ Coro__State c) |
439 | load_perl (pTHX_ Coro__State c) |
401 | { |
440 | { |
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441 | perl_slots *slot = c->slot; |
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442 | c->slot = 0; |
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443 | |
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444 | PL_mainstack = c->mainstack; |
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445 | |
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446 | GvSV (PL_defgv) = slot->defsv; |
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447 | GvAV (PL_defgv) = slot->defav; |
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448 | GvSV (PL_errgv) = slot->errsv; |
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449 | GvSV (irsgv) = slot->irsgv; |
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450 | |
402 | #define VAR(name,type) PL_ ## name = c->name; |
451 | #define VAR(name,type) PL_ ## name = slot->name; |
403 | # include "state.h" |
452 | # include "state.h" |
404 | #undef VAR |
453 | #undef VAR |
405 | |
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406 | GvSV (PL_defgv) = c->defsv; |
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407 | GvAV (PL_defgv) = c->defav; |
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408 | GvSV (PL_errgv) = c->errsv; |
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409 | GvSV (irsgv) = c->irssv_sv; |
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410 | |
454 | |
411 | { |
455 | { |
412 | dSP; |
456 | dSP; |
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457 | |
413 | CV *cv; |
458 | CV *cv; |
414 | |
459 | |
415 | /* now do the ugly restore mess */ |
460 | /* now do the ugly restore mess */ |
416 | while (expect_true (cv = (CV *)POPs)) |
461 | while (expect_true (cv = (CV *)POPs)) |
417 | { |
462 | { |
… | |
… | |
472 | } |
517 | } |
473 | |
518 | |
474 | PUTBACK; |
519 | PUTBACK; |
475 | } |
520 | } |
476 | |
521 | |
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522 | /* allocate some space on the context stack for our purposes */ |
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523 | /* we manually unroll here, as usually 2 slots is enough */ |
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524 | if (SLOT_COUNT >= 1) CXINC; |
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525 | if (SLOT_COUNT >= 2) CXINC; |
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526 | if (SLOT_COUNT >= 3) CXINC; |
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527 | { |
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528 | int i; |
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529 | for (i = 3; i < SLOT_COUNT; ++i) |
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530 | CXINC; |
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531 | } |
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532 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
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533 | |
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534 | c->mainstack = PL_mainstack; |
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535 | |
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536 | { |
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537 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
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538 | |
477 | c->defav = GvAV (PL_defgv); |
539 | slot->defav = GvAV (PL_defgv); |
478 | c->defsv = DEFSV; |
540 | slot->defsv = DEFSV; |
479 | c->errsv = ERRSV; |
541 | slot->errsv = ERRSV; |
480 | c->irssv_sv = GvSV (irsgv); |
542 | slot->irsgv = GvSV (irsgv); |
481 | |
543 | |
482 | #define VAR(name,type)c->name = PL_ ## name; |
544 | #define VAR(name,type) slot->name = PL_ ## name; |
483 | # include "state.h" |
545 | # include "state.h" |
484 | #undef VAR |
546 | #undef VAR |
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547 | } |
485 | } |
548 | } |
486 | |
549 | |
487 | /* |
550 | /* |
488 | * allocate various perl stacks. This is an exact copy |
551 | * allocate various perl stacks. This is an exact copy |
489 | * of perl.c:init_stacks, except that it uses less memory |
552 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
494 | # define coro_init_stacks init_stacks |
557 | # define coro_init_stacks init_stacks |
495 | #else |
558 | #else |
496 | static void |
559 | static void |
497 | coro_init_stacks (pTHX) |
560 | coro_init_stacks (pTHX) |
498 | { |
561 | { |
499 | PL_curstackinfo = new_stackinfo(64, 6); |
562 | PL_curstackinfo = new_stackinfo(32, 8); |
500 | PL_curstackinfo->si_type = PERLSI_MAIN; |
563 | PL_curstackinfo->si_type = PERLSI_MAIN; |
501 | PL_curstack = PL_curstackinfo->si_stack; |
564 | PL_curstack = PL_curstackinfo->si_stack; |
502 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
565 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
503 | |
566 | |
504 | PL_stack_base = AvARRAY(PL_curstack); |
567 | PL_stack_base = AvARRAY(PL_curstack); |
505 | PL_stack_sp = PL_stack_base; |
568 | PL_stack_sp = PL_stack_base; |
506 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
569 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
507 | |
570 | |
508 | New(50,PL_tmps_stack,64,SV*); |
571 | New(50,PL_tmps_stack,32,SV*); |
509 | PL_tmps_floor = -1; |
572 | PL_tmps_floor = -1; |
510 | PL_tmps_ix = -1; |
573 | PL_tmps_ix = -1; |
511 | PL_tmps_max = 64; |
574 | PL_tmps_max = 32; |
512 | |
575 | |
513 | New(54,PL_markstack,16,I32); |
576 | New(54,PL_markstack,16,I32); |
514 | PL_markstack_ptr = PL_markstack; |
577 | PL_markstack_ptr = PL_markstack; |
515 | PL_markstack_max = PL_markstack + 16; |
578 | PL_markstack_max = PL_markstack + 16; |
516 | |
579 | |
517 | #ifdef SET_MARK_OFFSET |
580 | #ifdef SET_MARK_OFFSET |
518 | SET_MARK_OFFSET; |
581 | SET_MARK_OFFSET; |
519 | #endif |
582 | #endif |
520 | |
583 | |
521 | New(54,PL_scopestack,16,I32); |
584 | New(54,PL_scopestack,8,I32); |
522 | PL_scopestack_ix = 0; |
585 | PL_scopestack_ix = 0; |
523 | PL_scopestack_max = 16; |
586 | PL_scopestack_max = 8; |
524 | |
587 | |
525 | New(54,PL_savestack,64,ANY); |
588 | New(54,PL_savestack,24,ANY); |
526 | PL_savestack_ix = 0; |
589 | PL_savestack_ix = 0; |
527 | PL_savestack_max = 64; |
590 | PL_savestack_max = 24; |
528 | |
591 | |
529 | #if !PERL_VERSION_ATLEAST (5,9,0) |
592 | #if !PERL_VERSION_ATLEAST (5,9,0) |
530 | New(54,PL_retstack,4,OP*); |
593 | New(54,PL_retstack,4,OP*); |
531 | PL_retstack_ix = 0; |
594 | PL_retstack_ix = 0; |
532 | PL_retstack_max = 4; |
595 | PL_retstack_max = 4; |
… | |
… | |
569 | { |
632 | { |
570 | size_t rss = sizeof (*coro); |
633 | size_t rss = sizeof (*coro); |
571 | |
634 | |
572 | if (coro->mainstack) |
635 | if (coro->mainstack) |
573 | { |
636 | { |
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637 | perl_slots tmp_slot; |
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638 | perl_slots *slot; |
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639 | |
574 | if (coro->flags & CF_RUNNING) |
640 | if (coro->flags & CF_RUNNING) |
575 | { |
641 | { |
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642 | slot = &tmp_slot; |
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643 | |
576 | #define VAR(name,type)coro->name = PL_ ## name; |
644 | #define VAR(name,type) slot->name = PL_ ## name; |
577 | # include "state.h" |
645 | # include "state.h" |
578 | #undef VAR |
646 | #undef VAR |
579 | } |
647 | } |
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648 | else |
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649 | slot = coro->slot; |
580 | |
650 | |
581 | rss += sizeof (coro->curstackinfo); |
651 | rss += sizeof (slot->curstackinfo); |
582 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
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583 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
652 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
584 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
653 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
585 | rss += coro->tmps_max * sizeof (SV *); |
654 | rss += slot->tmps_max * sizeof (SV *); |
586 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
655 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
587 | rss += coro->scopestack_max * sizeof (I32); |
656 | rss += slot->scopestack_max * sizeof (I32); |
588 | rss += coro->savestack_max * sizeof (ANY); |
657 | rss += slot->savestack_max * sizeof (ANY); |
589 | |
658 | |
590 | #if !PERL_VERSION_ATLEAST (5,9,0) |
659 | #if !PERL_VERSION_ATLEAST (5,9,0) |
591 | rss += coro->retstack_max * sizeof (OP *); |
660 | rss += slot->retstack_max * sizeof (OP *); |
592 | #endif |
661 | #endif |
593 | } |
662 | } |
594 | |
663 | |
595 | return rss; |
664 | return rss; |
596 | } |
665 | } |
597 | |
666 | |
598 | /** coroutine stack handling ************************************************/ |
667 | /** coroutine stack handling ************************************************/ |
|
|
668 | |
|
|
669 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
670 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
671 | |
|
|
672 | /* |
|
|
673 | * This overrides the default magic get method of %SIG elements. |
|
|
674 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
675 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
676 | * readback here. |
|
|
677 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
678 | * not expecting this to actually change the hook. This is a potential problem |
|
|
679 | * when a schedule happens then, but we ignore this. |
|
|
680 | */ |
|
|
681 | static int |
|
|
682 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
683 | { |
|
|
684 | const char *s = MgPV_nolen_const (mg); |
|
|
685 | |
|
|
686 | if (*s == '_') |
|
|
687 | { |
|
|
688 | if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
|
|
689 | if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
|
|
690 | } |
|
|
691 | |
|
|
692 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
693 | } |
|
|
694 | |
|
|
695 | static int |
|
|
696 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
697 | { |
|
|
698 | const char *s = MgPV_nolen_const (mg); |
|
|
699 | |
|
|
700 | if (*s == '_') |
|
|
701 | { |
|
|
702 | SV **svp = 0; |
|
|
703 | |
|
|
704 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
705 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
706 | |
|
|
707 | if (svp) |
|
|
708 | { |
|
|
709 | SV *old = *svp; |
|
|
710 | *svp = newSVsv (sv); |
|
|
711 | SvREFCNT_dec (old); |
|
|
712 | return; |
|
|
713 | } |
|
|
714 | } |
|
|
715 | |
|
|
716 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
717 | } |
599 | |
718 | |
600 | static void |
719 | static void |
601 | coro_setup (pTHX_ struct coro *coro) |
720 | coro_setup (pTHX_ struct coro *coro) |
602 | { |
721 | { |
603 | /* |
722 | /* |
… | |
… | |
608 | PL_runops = RUNOPS_DEFAULT; |
727 | PL_runops = RUNOPS_DEFAULT; |
609 | PL_curcop = &PL_compiling; |
728 | PL_curcop = &PL_compiling; |
610 | PL_in_eval = EVAL_NULL; |
729 | PL_in_eval = EVAL_NULL; |
611 | PL_comppad = 0; |
730 | PL_comppad = 0; |
612 | PL_curpm = 0; |
731 | PL_curpm = 0; |
|
|
732 | PL_curpad = 0; |
613 | PL_localizing = 0; |
733 | PL_localizing = 0; |
614 | PL_dirty = 0; |
734 | PL_dirty = 0; |
615 | PL_restartop = 0; |
735 | PL_restartop = 0; |
|
|
736 | |
|
|
737 | /* recreate the die/warn hooks */ |
|
|
738 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
739 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
616 | |
740 | |
617 | GvSV (PL_defgv) = newSV (0); |
741 | GvSV (PL_defgv) = newSV (0); |
618 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
742 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
619 | GvSV (PL_errgv) = newSV (0); |
743 | GvSV (PL_errgv) = newSV (0); |
620 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
744 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
621 | PL_rs = newSVsv (GvSV (irsgv)); |
745 | PL_rs = newSVsv (GvSV (irsgv)); |
622 | PL_defoutgv = SvREFCNT_inc (stdoutgv); |
746 | PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
623 | |
|
|
624 | ENTER; /* necessary e.g. for dounwind */ |
|
|
625 | |
747 | |
626 | { |
748 | { |
627 | dSP; |
749 | dSP; |
628 | LOGOP myop; |
750 | LOGOP myop; |
629 | |
751 | |
… | |
… | |
636 | PUTBACK; |
758 | PUTBACK; |
637 | PL_op = (OP *)&myop; |
759 | PL_op = (OP *)&myop; |
638 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
760 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
639 | SPAGAIN; |
761 | SPAGAIN; |
640 | } |
762 | } |
|
|
763 | |
|
|
764 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
765 | * likely was suspended in set_stacklevel, called from entersub. |
|
|
766 | * set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
|
|
767 | * so we ENTER here for symmetry |
|
|
768 | */ |
|
|
769 | ENTER; |
641 | } |
770 | } |
642 | |
771 | |
643 | static void |
772 | static void |
644 | coro_destroy (pTHX_ struct coro *coro) |
773 | coro_destroy (pTHX_ struct coro *coro) |
645 | { |
774 | { |
… | |
… | |
665 | SvREFCNT_dec (GvSV (PL_errgv)); |
794 | SvREFCNT_dec (GvSV (PL_errgv)); |
666 | SvREFCNT_dec (PL_defoutgv); |
795 | SvREFCNT_dec (PL_defoutgv); |
667 | SvREFCNT_dec (PL_rs); |
796 | SvREFCNT_dec (PL_rs); |
668 | SvREFCNT_dec (GvSV (irsgv)); |
797 | SvREFCNT_dec (GvSV (irsgv)); |
669 | |
798 | |
|
|
799 | SvREFCNT_dec (PL_diehook); |
|
|
800 | SvREFCNT_dec (PL_warnhook); |
|
|
801 | |
670 | SvREFCNT_dec (coro->saved_deffh); |
802 | SvREFCNT_dec (coro->saved_deffh); |
671 | //SvREFCNT_dec (coro->throw); |
803 | SvREFCNT_dec (coro->throw); |
672 | |
804 | |
673 | coro_destroy_stacks (aTHX); |
805 | coro_destroy_stacks (aTHX); |
674 | } |
806 | } |
675 | |
807 | |
676 | static void |
808 | static void |
… | |
… | |
809 | |
941 | |
810 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
942 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
811 | /* _cctx_init should be careful, as it could be called at almost any time */ |
943 | /* _cctx_init should be careful, as it could be called at almost any time */ |
812 | /* during execution of a perl program */ |
944 | /* during execution of a perl program */ |
813 | static void NOINLINE |
945 | static void NOINLINE |
814 | prepare_cctx (pTHX_ coro_cctx *cctx) |
946 | cctx_prepare (pTHX_ coro_cctx *cctx) |
815 | { |
947 | { |
816 | dSP; |
948 | dSP; |
817 | LOGOP myop; |
949 | LOGOP myop; |
818 | |
950 | |
819 | PL_top_env = &PL_start_env; |
951 | PL_top_env = &PL_start_env; |
… | |
… | |
837 | |
969 | |
838 | /* |
970 | /* |
839 | * this is a _very_ stripped down perl interpreter ;) |
971 | * this is a _very_ stripped down perl interpreter ;) |
840 | */ |
972 | */ |
841 | static void |
973 | static void |
842 | coro_run (void *arg) |
974 | cctx_run (void *arg) |
843 | { |
975 | { |
844 | dTHX; |
976 | dTHX; |
845 | |
977 | |
846 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
978 | /* cctx_run is the alternative tail of transfer(), so unlock here. */ |
847 | UNLOCK; |
979 | UNLOCK; |
848 | |
980 | |
849 | /* we now skip the entersub that lead to transfer() */ |
981 | /* we now skip the entersub that lead to transfer() */ |
850 | PL_op = PL_op->op_next; |
982 | PL_op = PL_op->op_next; |
851 | |
983 | |
852 | /* inject a fake subroutine call to cctx_init */ |
984 | /* inject a fake subroutine call to cctx_init */ |
853 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
985 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
854 | |
986 | |
855 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
987 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
856 | PL_restartop = PL_op; |
988 | PL_restartop = PL_op; |
857 | perl_run (PL_curinterp); |
989 | perl_run (PL_curinterp); |
858 | |
990 | |
… | |
… | |
877 | ++cctx_count; |
1009 | ++cctx_count; |
878 | |
1010 | |
879 | Newz (0, cctx, 1, coro_cctx); |
1011 | Newz (0, cctx, 1, coro_cctx); |
880 | |
1012 | |
881 | #if HAVE_MMAP |
1013 | #if HAVE_MMAP |
882 | |
|
|
883 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1014 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
884 | /* mmap supposedly does allocate-on-write for us */ |
1015 | /* mmap supposedly does allocate-on-write for us */ |
885 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1016 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
886 | |
1017 | |
887 | if (cctx->sptr != (void *)-1) |
1018 | if (cctx->sptr != (void *)-1) |
… | |
… | |
908 | stack_start = cctx->sptr; |
1039 | stack_start = cctx->sptr; |
909 | stack_size = cctx->ssize; |
1040 | stack_size = cctx->ssize; |
910 | } |
1041 | } |
911 | |
1042 | |
912 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1043 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
913 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1044 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
914 | |
1045 | |
915 | return cctx; |
1046 | return cctx; |
916 | } |
1047 | } |
917 | |
1048 | |
918 | static void |
1049 | static void |
… | |
… | |
990 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1121 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
991 | |
1122 | |
992 | if (expect_false (next->flags & CF_DESTROYED)) |
1123 | if (expect_false (next->flags & CF_DESTROYED)) |
993 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1124 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
994 | |
1125 | |
|
|
1126 | if ( |
|
|
1127 | #if PERL_VERSION_ATLEAST (5,9,0) |
|
|
1128 | expect_false (PL_parser) |
|
|
1129 | #else |
995 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1130 | expect_false (PL_lex_state != LEX_NOTPARSING) |
|
|
1131 | #endif |
|
|
1132 | ) |
996 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1133 | croak ("Coro::State::transfer called while parsing, but this is not supported"); |
997 | } |
1134 | } |
998 | } |
1135 | } |
999 | |
1136 | |
1000 | /* always use the TRANSFER macro */ |
1137 | /* always use the TRANSFER macro */ |
1001 | static void NOINLINE |
1138 | static void NOINLINE |
1002 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1139 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1003 | { |
1140 | { |
1004 | dSTACKLEVEL; |
1141 | dSTACKLEVEL; |
|
|
1142 | static volatile int has_throw; |
1005 | |
1143 | |
1006 | /* sometimes transfer is only called to set idle_sp */ |
1144 | /* sometimes transfer is only called to set idle_sp */ |
1007 | if (expect_false (!next)) |
1145 | if (expect_false (!next)) |
1008 | { |
1146 | { |
1009 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1147 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
… | |
… | |
1024 | prev->flags &= ~CF_RUNNING; |
1162 | prev->flags &= ~CF_RUNNING; |
1025 | next->flags |= CF_RUNNING; |
1163 | next->flags |= CF_RUNNING; |
1026 | |
1164 | |
1027 | LOCK; |
1165 | LOCK; |
1028 | |
1166 | |
|
|
1167 | /* first get rid of the old state */ |
|
|
1168 | save_perl (aTHX_ prev); |
|
|
1169 | |
1029 | if (expect_false (next->flags & CF_NEW)) |
1170 | if (expect_false (next->flags & CF_NEW)) |
1030 | { |
1171 | { |
1031 | /* need to start coroutine */ |
1172 | /* need to start coroutine */ |
1032 | next->flags &= ~CF_NEW; |
1173 | next->flags &= ~CF_NEW; |
1033 | /* first get rid of the old state */ |
|
|
1034 | save_perl (aTHX_ prev); |
|
|
1035 | /* setup coroutine call */ |
1174 | /* setup coroutine call */ |
1036 | coro_setup (aTHX_ next); |
1175 | coro_setup (aTHX_ next); |
1037 | } |
1176 | } |
1038 | else |
1177 | else |
1039 | { |
|
|
1040 | /* coroutine already started */ |
|
|
1041 | save_perl (aTHX_ prev); |
|
|
1042 | load_perl (aTHX_ next); |
1178 | load_perl (aTHX_ next); |
1043 | } |
|
|
1044 | |
1179 | |
1045 | prev__cctx = prev->cctx; |
1180 | prev__cctx = prev->cctx; |
1046 | |
1181 | |
1047 | /* possibly "free" the cctx */ |
1182 | /* possibly "free" the cctx */ |
1048 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
1183 | if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) |
… | |
… | |
1053 | prev->cctx = 0; |
1188 | prev->cctx = 0; |
1054 | |
1189 | |
1055 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1190 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1056 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1191 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1057 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1192 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1193 | if (!next->cctx) |
1058 | next->cctx = cctx_get (aTHX); |
1194 | next->cctx = cctx_get (aTHX); |
1059 | |
1195 | |
1060 | cctx_put (prev__cctx); |
1196 | cctx_put (prev__cctx); |
1061 | } |
1197 | } |
1062 | |
1198 | |
1063 | ++next->usecount; |
1199 | ++next->usecount; |
1064 | |
1200 | |
1065 | if (expect_true (!next->cctx)) |
1201 | if (expect_true (!next->cctx)) |
1066 | next->cctx = cctx_get (aTHX); |
1202 | next->cctx = cctx_get (aTHX); |
|
|
1203 | |
|
|
1204 | has_throw = !!next->throw; |
1067 | |
1205 | |
1068 | if (expect_false (prev__cctx != next->cctx)) |
1206 | if (expect_false (prev__cctx != next->cctx)) |
1069 | { |
1207 | { |
1070 | prev__cctx->top_env = PL_top_env; |
1208 | prev__cctx->top_env = PL_top_env; |
1071 | PL_top_env = next->cctx->top_env; |
1209 | PL_top_env = next->cctx->top_env; |
1072 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1210 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1073 | } |
1211 | } |
1074 | |
1212 | |
1075 | free_coro_mortal (aTHX); |
1213 | free_coro_mortal (aTHX); |
1076 | UNLOCK; |
1214 | UNLOCK; |
|
|
1215 | |
|
|
1216 | if (expect_false (has_throw)) |
|
|
1217 | { |
|
|
1218 | struct coro *coro = SvSTATE (coro_current); |
|
|
1219 | |
|
|
1220 | if (coro->throw) |
|
|
1221 | { |
|
|
1222 | SV *exception = coro->throw; |
|
|
1223 | coro->throw = 0; |
|
|
1224 | sv_setsv (ERRSV, exception); |
|
|
1225 | croak (0); |
|
|
1226 | } |
|
|
1227 | } |
1077 | } |
1228 | } |
1078 | } |
1229 | } |
1079 | |
1230 | |
1080 | struct transfer_args |
1231 | struct transfer_args |
1081 | { |
1232 | { |
… | |
… | |
1116 | save_perl (aTHX_ &temp); |
1267 | save_perl (aTHX_ &temp); |
1117 | load_perl (aTHX_ coro); |
1268 | load_perl (aTHX_ coro); |
1118 | |
1269 | |
1119 | coro_destroy (aTHX_ coro); |
1270 | coro_destroy (aTHX_ coro); |
1120 | |
1271 | |
1121 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1272 | load_perl (aTHX_ &temp); |
1122 | |
1273 | |
1123 | coro->mainstack = 0; |
1274 | coro->slot = 0; |
1124 | } |
1275 | } |
1125 | |
1276 | |
1126 | cctx_destroy (coro->cctx); |
1277 | cctx_destroy (coro->cctx); |
1127 | SvREFCNT_dec (coro->args); |
1278 | SvREFCNT_dec (coro->args); |
1128 | |
1279 | |
… | |
… | |
1196 | { |
1347 | { |
1197 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1348 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1198 | } |
1349 | } |
1199 | |
1350 | |
1200 | static SV * |
1351 | static SV * |
1201 | coro_deq (pTHX_ int min_prio) |
1352 | coro_deq (pTHX) |
1202 | { |
1353 | { |
1203 | int prio = PRIO_MAX - PRIO_MIN; |
1354 | int prio; |
1204 | |
1355 | |
1205 | min_prio -= PRIO_MIN; |
|
|
1206 | if (min_prio < 0) |
|
|
1207 | min_prio = 0; |
|
|
1208 | |
|
|
1209 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1356 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1210 | if (AvFILLp (coro_ready [prio]) >= 0) |
1357 | if (AvFILLp (coro_ready [prio]) >= 0) |
1211 | return av_shift (coro_ready [prio]); |
1358 | return av_shift (coro_ready [prio]); |
1212 | |
1359 | |
1213 | return 0; |
1360 | return 0; |
1214 | } |
1361 | } |
… | |
… | |
1250 | SV *prev_sv, *next_sv; |
1397 | SV *prev_sv, *next_sv; |
1251 | |
1398 | |
1252 | for (;;) |
1399 | for (;;) |
1253 | { |
1400 | { |
1254 | LOCK; |
1401 | LOCK; |
1255 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1402 | next_sv = coro_deq (aTHX); |
1256 | |
1403 | |
1257 | /* nothing to schedule: call the idle handler */ |
1404 | /* nothing to schedule: call the idle handler */ |
1258 | if (expect_false (!next_sv)) |
1405 | if (expect_false (!next_sv)) |
1259 | { |
1406 | { |
1260 | dSP; |
1407 | dSP; |
… | |
… | |
1264 | SAVETMPS; |
1411 | SAVETMPS; |
1265 | |
1412 | |
1266 | PUSHMARK (SP); |
1413 | PUSHMARK (SP); |
1267 | PUTBACK; |
1414 | PUTBACK; |
1268 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1415 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1416 | SPAGAIN; |
1269 | |
1417 | |
1270 | FREETMPS; |
1418 | FREETMPS; |
1271 | LEAVE; |
1419 | LEAVE; |
1272 | continue; |
1420 | continue; |
1273 | } |
1421 | } |
… | |
… | |
1385 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1533 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1386 | |
1534 | |
1387 | if (coro->flags & CF_RUNNING) |
1535 | if (coro->flags & CF_RUNNING) |
1388 | PL_runops = RUNOPS_DEFAULT; |
1536 | PL_runops = RUNOPS_DEFAULT; |
1389 | else |
1537 | else |
1390 | coro->runops = RUNOPS_DEFAULT; |
1538 | coro->slot->runops = RUNOPS_DEFAULT; |
1391 | } |
1539 | } |
1392 | } |
1540 | } |
1393 | |
1541 | |
1394 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1542 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1395 | |
1543 | |
… | |
… | |
1402 | #endif |
1550 | #endif |
1403 | BOOT_PAGESIZE; |
1551 | BOOT_PAGESIZE; |
1404 | |
1552 | |
1405 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1553 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1406 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1554 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1555 | |
|
|
1556 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
|
|
1557 | PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1558 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
|
|
1559 | PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1560 | |
|
|
1561 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1562 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1563 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1407 | |
1564 | |
1408 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1565 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1409 | |
1566 | |
1410 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1567 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1411 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1568 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
… | |
… | |
1417 | |
1574 | |
1418 | while (main_top_env->je_prev) |
1575 | while (main_top_env->je_prev) |
1419 | main_top_env = main_top_env->je_prev; |
1576 | main_top_env = main_top_env->je_prev; |
1420 | |
1577 | |
1421 | coroapi.ver = CORO_API_VERSION; |
1578 | coroapi.ver = CORO_API_VERSION; |
|
|
1579 | coroapi.rev = CORO_API_REVISION; |
1422 | coroapi.transfer = api_transfer; |
1580 | coroapi.transfer = api_transfer; |
1423 | |
1581 | |
1424 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1582 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1425 | } |
1583 | } |
1426 | |
1584 | |
1427 | SV * |
1585 | SV * |
1428 | new (char *klass, ...) |
1586 | new (char *klass, ...) |
1429 | CODE: |
1587 | CODE: |
1430 | { |
1588 | { |
1431 | struct coro *coro; |
1589 | struct coro *coro; |
|
|
1590 | MAGIC *mg; |
1432 | HV *hv; |
1591 | HV *hv; |
1433 | int i; |
1592 | int i; |
1434 | |
1593 | |
1435 | Newz (0, coro, 1, struct coro); |
1594 | Newz (0, coro, 1, struct coro); |
1436 | coro->args = newAV (); |
1595 | coro->args = newAV (); |
… | |
… | |
1439 | if (coro_first) coro_first->prev = coro; |
1598 | if (coro_first) coro_first->prev = coro; |
1440 | coro->next = coro_first; |
1599 | coro->next = coro_first; |
1441 | coro_first = coro; |
1600 | coro_first = coro; |
1442 | |
1601 | |
1443 | coro->hv = hv = newHV (); |
1602 | coro->hv = hv = newHV (); |
1444 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
1603 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
1604 | mg->mg_flags |= MGf_DUP; |
1445 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1605 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1446 | |
1606 | |
1447 | av_extend (coro->args, items - 1); |
1607 | av_extend (coro->args, items - 1); |
1448 | for (i = 1; i < items; i++) |
1608 | for (i = 1; i < items; i++) |
1449 | av_push (coro->args, newSVsv (ST (i))); |
1609 | av_push (coro->args, newSVsv (ST (i))); |
… | |
… | |
1463 | Coro::cede_notself = 4 |
1623 | Coro::cede_notself = 4 |
1464 | CODE: |
1624 | CODE: |
1465 | { |
1625 | { |
1466 | struct transfer_args ta; |
1626 | struct transfer_args ta; |
1467 | |
1627 | |
|
|
1628 | PUTBACK; |
1468 | switch (ix) |
1629 | switch (ix) |
1469 | { |
1630 | { |
1470 | case 0: |
1631 | case 0: |
1471 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1632 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1472 | ta.next = 0; |
1633 | ta.next = 0; |
… | |
… | |
1491 | if (!prepare_cede_notself (aTHX_ &ta)) |
1652 | if (!prepare_cede_notself (aTHX_ &ta)) |
1492 | XSRETURN_EMPTY; |
1653 | XSRETURN_EMPTY; |
1493 | |
1654 | |
1494 | break; |
1655 | break; |
1495 | } |
1656 | } |
|
|
1657 | SPAGAIN; |
1496 | |
1658 | |
1497 | BARRIER; |
1659 | BARRIER; |
|
|
1660 | PUTBACK; |
1498 | TRANSFER (ta); |
1661 | TRANSFER (ta); |
1499 | |
1662 | SPAGAIN; /* might be the sp of a different coroutine now */ |
1500 | if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) |
1663 | /* be extra careful not to ever do anything after TRANSFER */ |
1501 | XSRETURN_YES; |
|
|
1502 | } |
1664 | } |
1503 | |
1665 | |
1504 | bool |
1666 | bool |
1505 | _destroy (SV *coro_sv) |
1667 | _destroy (SV *coro_sv) |
1506 | CODE: |
1668 | CODE: |
… | |
… | |
1555 | CODE: |
1717 | CODE: |
1556 | { |
1718 | { |
1557 | if (coro->mainstack) |
1719 | if (coro->mainstack) |
1558 | { |
1720 | { |
1559 | struct coro temp; |
1721 | struct coro temp; |
1560 | Zero (&temp, 1, struct coro); |
|
|
1561 | |
1722 | |
1562 | if (!(coro->flags & CF_RUNNING)) |
1723 | if (!(coro->flags & CF_RUNNING)) |
1563 | { |
1724 | { |
|
|
1725 | PUTBACK; |
1564 | save_perl (aTHX_ &temp); |
1726 | save_perl (aTHX_ &temp); |
1565 | load_perl (aTHX_ coro); |
1727 | load_perl (aTHX_ coro); |
1566 | } |
1728 | } |
1567 | |
1729 | |
1568 | { |
1730 | { |
1569 | dSP; |
1731 | dSP; |
1570 | ENTER; |
1732 | ENTER; |
1571 | SAVETMPS; |
1733 | SAVETMPS; |
|
|
1734 | PUTBACK; |
|
|
1735 | PUSHSTACK; |
1572 | PUSHMARK (SP); |
1736 | PUSHMARK (SP); |
1573 | PUTBACK; |
1737 | |
1574 | if (ix) |
1738 | if (ix) |
1575 | eval_sv (coderef, 0); |
1739 | eval_sv (coderef, 0); |
1576 | else |
1740 | else |
1577 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1741 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1742 | |
|
|
1743 | POPSTACK; |
1578 | SPAGAIN; |
1744 | SPAGAIN; |
1579 | FREETMPS; |
1745 | FREETMPS; |
1580 | LEAVE; |
1746 | LEAVE; |
1581 | PUTBACK; |
1747 | PUTBACK; |
1582 | } |
1748 | } |
1583 | |
1749 | |
1584 | if (!(coro->flags & CF_RUNNING)) |
1750 | if (!(coro->flags & CF_RUNNING)) |
1585 | { |
1751 | { |
1586 | save_perl (aTHX_ coro); |
1752 | save_perl (aTHX_ coro); |
1587 | load_perl (aTHX_ &temp); |
1753 | load_perl (aTHX_ &temp); |
|
|
1754 | SPAGAIN; |
1588 | } |
1755 | } |
1589 | } |
1756 | } |
1590 | } |
1757 | } |
1591 | |
1758 | |
1592 | SV * |
1759 | SV * |
… | |
… | |
1640 | |
1807 | |
1641 | BOOT: |
1808 | BOOT: |
1642 | { |
1809 | { |
1643 | int i; |
1810 | int i; |
1644 | |
1811 | |
1645 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
1812 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
1646 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
1813 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1647 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
1814 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
1648 | |
1815 | |
1649 | coro_current = get_sv ("Coro::current", FALSE); |
1816 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1650 | SvREADONLY_on (coro_current); |
1817 | SvREADONLY_on (coro_current); |
1651 | |
1818 | |
1652 | coro_stash = gv_stashpv ("Coro", TRUE); |
1819 | coro_stash = gv_stashpv ("Coro", TRUE); |
1653 | |
1820 | |
1654 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1821 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1655 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1822 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1656 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1823 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1657 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1824 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1660 | |
1827 | |
1661 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1828 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1662 | coro_ready[i] = newAV (); |
1829 | coro_ready[i] = newAV (); |
1663 | |
1830 | |
1664 | { |
1831 | { |
1665 | SV *sv = perl_get_sv("Coro::API", 1); |
1832 | SV *sv = perl_get_sv ("Coro::API", TRUE); |
|
|
1833 | perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1666 | |
1834 | |
1667 | coroapi.schedule = api_schedule; |
1835 | coroapi.schedule = api_schedule; |
1668 | coroapi.cede = api_cede; |
1836 | coroapi.cede = api_cede; |
1669 | coroapi.cede_notself = api_cede_notself; |
1837 | coroapi.cede_notself = api_cede_notself; |
1670 | coroapi.ready = api_ready; |
1838 | coroapi.ready = api_ready; |
… | |
… | |
1721 | CODE: |
1889 | CODE: |
1722 | RETVAL = coro_nready; |
1890 | RETVAL = coro_nready; |
1723 | OUTPUT: |
1891 | OUTPUT: |
1724 | RETVAL |
1892 | RETVAL |
1725 | |
1893 | |
|
|
1894 | void |
|
|
1895 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
1896 | PROTOTYPE: $;$ |
|
|
1897 | CODE: |
|
|
1898 | SvREFCNT_dec (self->throw); |
|
|
1899 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
1900 | |
1726 | # for async_pool speedup |
1901 | # for async_pool speedup |
1727 | void |
1902 | void |
1728 | _pool_1 (SV *cb) |
1903 | _pool_1 (SV *cb) |
1729 | CODE: |
1904 | CODE: |
1730 | { |
1905 | { |
… | |
… | |
1734 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1909 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1735 | AV *invoke_av; |
1910 | AV *invoke_av; |
1736 | int i, len; |
1911 | int i, len; |
1737 | |
1912 | |
1738 | if (!invoke) |
1913 | if (!invoke) |
|
|
1914 | { |
|
|
1915 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1739 | croak ("\3terminate\2\n"); |
1916 | croak ("\3async_pool terminate\2\n"); |
|
|
1917 | } |
1740 | |
1918 | |
1741 | SvREFCNT_dec (coro->saved_deffh); |
1919 | SvREFCNT_dec (coro->saved_deffh); |
1742 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1920 | coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1743 | |
1921 | |
1744 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1922 | hv_store (hv, "desc", sizeof ("desc") - 1, |
… | |
… | |
1770 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1948 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1771 | coro->saved_deffh = 0; |
1949 | coro->saved_deffh = 0; |
1772 | |
1950 | |
1773 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1951 | if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1774 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1952 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1953 | { |
|
|
1954 | SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1775 | croak ("\3terminate\2\n"); |
1955 | croak ("\3async_pool terminate\2\n"); |
|
|
1956 | } |
1776 | |
1957 | |
1777 | av_clear (GvAV (PL_defgv)); |
1958 | av_clear (GvAV (PL_defgv)); |
1778 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1959 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1779 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1960 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1780 | |
1961 | |