1 | #define CORO_CLONE 1 //D |
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2 | |
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3 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
4 | |
2 | |
5 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
6 | #define PERL_EXT |
4 | #define PERL_EXT |
7 | |
5 | |
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135 | #else |
133 | #else |
136 | # define dSTACKLEVEL volatile void *stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
137 | # define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
138 | #endif |
136 | #endif |
139 | |
137 | |
140 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
141 | |
139 | |
142 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
143 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
144 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
145 | # define INLINE static inline |
143 | # define INLINE static inline |
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177 | static HV *coro_state_stash, *coro_stash; |
175 | static HV *coro_state_stash, *coro_stash; |
178 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
176 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
179 | |
177 | |
180 | static AV *av_destroy; /* destruction queue */ |
178 | static AV *av_destroy; /* destruction queue */ |
181 | static SV *sv_manager; /* the manager coro */ |
179 | static SV *sv_manager; /* the manager coro */ |
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180 | static SV *sv_idle; /* $Coro::idle */ |
182 | |
181 | |
183 | static GV *irsgv; /* $/ */ |
182 | static GV *irsgv; /* $/ */ |
184 | static GV *stdoutgv; /* *STDOUT */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
185 | static SV *rv_diehook; |
184 | static SV *rv_diehook; |
186 | static SV *rv_warnhook; |
185 | static SV *rv_warnhook; |
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230 | int valgrind_id; |
229 | int valgrind_id; |
231 | #endif |
230 | #endif |
232 | unsigned char flags; |
231 | unsigned char flags; |
233 | } coro_cctx; |
232 | } coro_cctx; |
234 | |
233 | |
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234 | coro_cctx *cctx_current; /* the currently running cctx */ |
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235 | |
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236 | /*****************************************************************************/ |
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237 | |
235 | enum { |
238 | enum { |
236 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
237 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
238 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
239 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
240 | }; |
244 | }; |
241 | |
245 | |
242 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
243 | typedef struct |
247 | typedef struct |
244 | { |
248 | { |
245 | SV *defsv; |
249 | SV *defsv; |
246 | AV *defav; |
250 | AV *defav; |
247 | SV *errsv; |
251 | SV *errsv; |
248 | SV *irsgv; |
252 | SV *irsgv; |
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253 | HV *hinthv; |
249 | #define VAR(name,type) type name; |
254 | #define VAR(name,type) type name; |
250 | # include "state.h" |
255 | # include "state.h" |
251 | #undef VAR |
256 | #undef VAR |
252 | } perl_slots; |
257 | } perl_slots; |
253 | |
258 | |
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280 | |
285 | |
281 | /* async_pool */ |
286 | /* async_pool */ |
282 | SV *saved_deffh; |
287 | SV *saved_deffh; |
283 | SV *invoke_cb; |
288 | SV *invoke_cb; |
284 | AV *invoke_av; |
289 | AV *invoke_av; |
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290 | |
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291 | /* on_enter/on_leave */ |
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292 | AV *on_enter; |
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293 | AV *on_leave; |
285 | |
294 | |
286 | /* linked list */ |
295 | /* linked list */ |
287 | struct coro *next, *prev; |
296 | struct coro *next, *prev; |
288 | }; |
297 | }; |
289 | |
298 | |
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348 | INLINE CV * |
357 | INLINE CV * |
349 | coro_sv_2cv (pTHX_ SV *sv) |
358 | coro_sv_2cv (pTHX_ SV *sv) |
350 | { |
359 | { |
351 | HV *st; |
360 | HV *st; |
352 | GV *gvp; |
361 | GV *gvp; |
353 | return sv_2cv (sv, &st, &gvp, 0); |
362 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
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363 | |
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364 | if (!cv) |
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365 | croak ("code reference expected"); |
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366 | |
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367 | return cv; |
354 | } |
368 | } |
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369 | |
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370 | /*****************************************************************************/ |
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371 | /* magic glue */ |
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372 | |
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373 | #define CORO_MAGIC_type_cv 26 |
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374 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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375 | |
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376 | #define CORO_MAGIC_NN(sv, type) \ |
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377 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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378 | ? SvMAGIC (sv) \ |
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379 | : mg_find (sv, type)) |
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380 | |
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381 | #define CORO_MAGIC(sv, type) \ |
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382 | (expect_true (SvMAGIC (sv)) \ |
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383 | ? CORO_MAGIC_NN (sv, type) \ |
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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_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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388 | |
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389 | INLINE struct coro * |
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390 | SvSTATE_ (pTHX_ SV *coro) |
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391 | { |
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392 | HV *stash; |
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393 | MAGIC *mg; |
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394 | |
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395 | if (SvROK (coro)) |
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396 | coro = SvRV (coro); |
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397 | |
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398 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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399 | croak ("Coro::State object required"); |
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400 | |
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401 | stash = SvSTASH (coro); |
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402 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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403 | { |
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404 | /* very slow, but rare, check */ |
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405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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406 | croak ("Coro::State object required"); |
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407 | } |
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408 | |
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409 | mg = CORO_MAGIC_state (coro); |
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410 | return (struct coro *)mg->mg_ptr; |
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411 | } |
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412 | |
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413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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414 | |
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415 | /* faster than SvSTATE, but expects a coroutine hv */ |
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416 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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417 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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418 | |
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419 | /*****************************************************************************/ |
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420 | /* padlist management and caching */ |
355 | |
421 | |
356 | static AV * |
422 | static AV * |
357 | coro_derive_padlist (pTHX_ CV *cv) |
423 | coro_derive_padlist (pTHX_ CV *cv) |
358 | { |
424 | { |
359 | AV *padlist = CvPADLIST (cv); |
425 | AV *padlist = CvPADLIST (cv); |
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367 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
433 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
368 | #endif |
434 | #endif |
369 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
435 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
370 | --AvFILLp (padlist); |
436 | --AvFILLp (padlist); |
371 | |
437 | |
372 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
438 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
373 | av_store (newpadlist, 1, (SV *)newpad); |
439 | av_store (newpadlist, 1, (SV *)newpad); |
374 | |
440 | |
375 | return newpadlist; |
441 | return newpadlist; |
376 | } |
442 | } |
377 | |
443 | |
378 | static void |
444 | static void |
379 | free_padlist (pTHX_ AV *padlist) |
445 | free_padlist (pTHX_ AV *padlist) |
380 | { |
446 | { |
381 | /* may be during global destruction */ |
447 | /* may be during global destruction */ |
382 | if (SvREFCNT (padlist)) |
448 | if (!IN_DESTRUCT) |
383 | { |
449 | { |
384 | I32 i = AvFILLp (padlist); |
450 | I32 i = AvFILLp (padlist); |
385 | while (i >= 0) |
451 | |
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452 | while (i > 0) /* special-case index 0 */ |
386 | { |
453 | { |
387 | SV **svp = av_fetch (padlist, i--, FALSE); |
454 | /* we try to be extra-careful here */ |
388 | if (svp) |
455 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
389 | { |
456 | I32 j = AvFILLp (av); |
390 | SV *sv; |
457 | |
391 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
458 | while (j >= 0) |
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459 | SvREFCNT_dec (AvARRAY (av)[j--]); |
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460 | |
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461 | AvFILLp (av) = -1; |
392 | SvREFCNT_dec (sv); |
462 | SvREFCNT_dec (av); |
393 | |
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394 | SvREFCNT_dec (*svp); |
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395 | } |
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396 | } |
463 | } |
397 | |
464 | |
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465 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
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466 | |
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467 | AvFILLp (padlist) = -1; |
398 | SvREFCNT_dec ((SV*)padlist); |
468 | SvREFCNT_dec ((SV*)padlist); |
399 | } |
469 | } |
400 | } |
470 | } |
401 | |
471 | |
402 | static int |
472 | static int |
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411 | |
481 | |
412 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
482 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
413 | |
483 | |
414 | return 0; |
484 | return 0; |
415 | } |
485 | } |
416 | |
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417 | #define CORO_MAGIC_type_cv 26 |
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418 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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419 | |
486 | |
420 | static MGVTBL coro_cv_vtbl = { |
487 | static MGVTBL coro_cv_vtbl = { |
421 | 0, 0, 0, 0, |
488 | 0, 0, 0, 0, |
422 | coro_cv_free |
489 | coro_cv_free |
423 | }; |
490 | }; |
424 | |
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425 | #define CORO_MAGIC_NN(sv, type) \ |
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426 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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427 | ? SvMAGIC (sv) \ |
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428 | : mg_find (sv, type)) |
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429 | |
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430 | #define CORO_MAGIC(sv, type) \ |
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431 | (expect_true (SvMAGIC (sv)) \ |
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432 | ? CORO_MAGIC_NN (sv, type) \ |
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433 | : 0) |
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434 | |
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435 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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436 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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437 | |
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438 | INLINE struct coro * |
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439 | SvSTATE_ (pTHX_ SV *coro) |
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440 | { |
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441 | HV *stash; |
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442 | MAGIC *mg; |
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443 | |
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444 | if (SvROK (coro)) |
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445 | coro = SvRV (coro); |
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446 | |
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447 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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448 | croak ("Coro::State object required"); |
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449 | |
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450 | stash = SvSTASH (coro); |
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451 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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452 | { |
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453 | /* very slow, but rare, check */ |
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454 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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455 | croak ("Coro::State object required"); |
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456 | } |
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457 | |
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458 | mg = CORO_MAGIC_state (coro); |
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459 | return (struct coro *)mg->mg_ptr; |
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460 | } |
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461 | |
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462 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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463 | |
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464 | /* faster than SvSTATE, but expects a coroutine hv */ |
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465 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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466 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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467 | |
491 | |
468 | /* the next two functions merely cache the padlists */ |
492 | /* the next two functions merely cache the padlists */ |
469 | static void |
493 | static void |
470 | get_padlist (pTHX_ CV *cv) |
494 | get_padlist (pTHX_ CV *cv) |
471 | { |
495 | { |
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499 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
523 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
500 | |
524 | |
501 | av = (AV *)mg->mg_obj; |
525 | av = (AV *)mg->mg_obj; |
502 | |
526 | |
503 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
527 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
504 | av_extend (av, AvMAX (av) + 1); |
528 | av_extend (av, AvFILLp (av) + 1); |
505 | |
529 | |
506 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
530 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
507 | } |
531 | } |
508 | |
532 | |
509 | /** load & save, init *******************************************************/ |
533 | /** load & save, init *******************************************************/ |
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534 | |
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535 | static void |
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536 | on_enterleave_call (pTHX_ SV *cb); |
510 | |
537 | |
511 | static void |
538 | static void |
512 | load_perl (pTHX_ Coro__State c) |
539 | load_perl (pTHX_ Coro__State c) |
513 | { |
540 | { |
514 | perl_slots *slot = c->slot; |
541 | perl_slots *slot = c->slot; |
515 | c->slot = 0; |
542 | c->slot = 0; |
516 | |
543 | |
517 | PL_mainstack = c->mainstack; |
544 | PL_mainstack = c->mainstack; |
518 | |
545 | |
519 | GvSV (PL_defgv) = slot->defsv; |
546 | GvSV (PL_defgv) = slot->defsv; |
520 | GvAV (PL_defgv) = slot->defav; |
547 | GvAV (PL_defgv) = slot->defav; |
521 | GvSV (PL_errgv) = slot->errsv; |
548 | GvSV (PL_errgv) = slot->errsv; |
522 | GvSV (irsgv) = slot->irsgv; |
549 | GvSV (irsgv) = slot->irsgv; |
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550 | GvHV (PL_hintgv) = slot->hinthv; |
523 | |
551 | |
524 | #define VAR(name,type) PL_ ## name = slot->name; |
552 | #define VAR(name,type) PL_ ## name = slot->name; |
525 | # include "state.h" |
553 | # include "state.h" |
526 | #undef VAR |
554 | #undef VAR |
527 | |
555 | |
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541 | PUTBACK; |
569 | PUTBACK; |
542 | } |
570 | } |
543 | |
571 | |
544 | slf_frame = c->slf_frame; |
572 | slf_frame = c->slf_frame; |
545 | CORO_THROW = c->except; |
573 | CORO_THROW = c->except; |
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574 | |
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575 | if (expect_false (c->on_enter)) |
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576 | { |
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577 | int i; |
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578 | |
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579 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
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580 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
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581 | } |
546 | } |
582 | } |
547 | |
583 | |
548 | static void |
584 | static void |
549 | save_perl (pTHX_ Coro__State c) |
585 | save_perl (pTHX_ Coro__State c) |
550 | { |
586 | { |
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587 | if (expect_false (c->on_leave)) |
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588 | { |
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589 | int i; |
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590 | |
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591 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
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592 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
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593 | } |
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594 | |
551 | c->except = CORO_THROW; |
595 | c->except = CORO_THROW; |
552 | c->slf_frame = slf_frame; |
596 | c->slf_frame = slf_frame; |
553 | |
597 | |
554 | { |
598 | { |
555 | dSP; |
599 | dSP; |
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613 | c->mainstack = PL_mainstack; |
657 | c->mainstack = PL_mainstack; |
614 | |
658 | |
615 | { |
659 | { |
616 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
660 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
617 | |
661 | |
618 | slot->defav = GvAV (PL_defgv); |
662 | slot->defav = GvAV (PL_defgv); |
619 | slot->defsv = DEFSV; |
663 | slot->defsv = DEFSV; |
620 | slot->errsv = ERRSV; |
664 | slot->errsv = ERRSV; |
621 | slot->irsgv = GvSV (irsgv); |
665 | slot->irsgv = GvSV (irsgv); |
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666 | slot->hinthv = GvHV (PL_hintgv); |
622 | |
667 | |
623 | #define VAR(name,type) slot->name = PL_ ## name; |
668 | #define VAR(name,type) slot->name = PL_ ## name; |
624 | # include "state.h" |
669 | # include "state.h" |
625 | #undef VAR |
670 | #undef VAR |
626 | } |
671 | } |
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… | |
753 | #endif |
798 | #endif |
754 | |
799 | |
755 | /* |
800 | /* |
756 | * This overrides the default magic get method of %SIG elements. |
801 | * This overrides the default magic get method of %SIG elements. |
757 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
802 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
758 | * and instead of tryign to save and restore the hash elements, we just provide |
803 | * and instead of trying to save and restore the hash elements, we just provide |
759 | * readback here. |
804 | * readback here. |
760 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
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761 | * not expecting this to actually change the hook. This is a potential problem |
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762 | * when a schedule happens then, but we ignore this. |
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763 | */ |
805 | */ |
764 | static int |
806 | static int |
765 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
807 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
766 | { |
808 | { |
767 | const char *s = MgPV_nolen_const (mg); |
809 | const char *s = MgPV_nolen_const (mg); |
… | |
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820 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
862 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
821 | |
863 | |
822 | if (svp) |
864 | if (svp) |
823 | { |
865 | { |
824 | SV *old = *svp; |
866 | SV *old = *svp; |
825 | *svp = newSVsv (sv); |
867 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
826 | SvREFCNT_dec (old); |
868 | SvREFCNT_dec (old); |
827 | return 0; |
869 | return 0; |
828 | } |
870 | } |
829 | } |
871 | } |
830 | |
872 | |
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862 | |
904 | |
863 | PL_runops = RUNOPS_DEFAULT; |
905 | PL_runops = RUNOPS_DEFAULT; |
864 | PL_curcop = &PL_compiling; |
906 | PL_curcop = &PL_compiling; |
865 | PL_in_eval = EVAL_NULL; |
907 | PL_in_eval = EVAL_NULL; |
866 | PL_comppad = 0; |
908 | PL_comppad = 0; |
|
|
909 | PL_comppad_name = 0; |
|
|
910 | PL_comppad_name_fill = 0; |
|
|
911 | PL_comppad_name_floor = 0; |
867 | PL_curpm = 0; |
912 | PL_curpm = 0; |
868 | PL_curpad = 0; |
913 | PL_curpad = 0; |
869 | PL_localizing = 0; |
914 | PL_localizing = 0; |
870 | PL_dirty = 0; |
915 | PL_dirty = 0; |
871 | PL_restartop = 0; |
916 | PL_restartop = 0; |
872 | #if PERL_VERSION_ATLEAST (5,10,0) |
917 | #if PERL_VERSION_ATLEAST (5,10,0) |
873 | PL_parser = 0; |
918 | PL_parser = 0; |
874 | #endif |
919 | #endif |
|
|
920 | PL_hints = 0; |
875 | |
921 | |
876 | /* recreate the die/warn hooks */ |
922 | /* recreate the die/warn hooks */ |
877 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
923 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
878 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
924 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
879 | |
925 | |
880 | GvSV (PL_defgv) = newSV (0); |
926 | GvSV (PL_defgv) = newSV (0); |
881 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
927 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
882 | GvSV (PL_errgv) = newSV (0); |
928 | GvSV (PL_errgv) = newSV (0); |
883 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
929 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
930 | GvHV (PL_hintgv) = 0; |
884 | PL_rs = newSVsv (GvSV (irsgv)); |
931 | PL_rs = newSVsv (GvSV (irsgv)); |
885 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
932 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
886 | |
933 | |
887 | { |
934 | { |
888 | dSP; |
935 | dSP; |
… | |
… | |
917 | /* copy throw, in case it was set before coro_setup */ |
964 | /* copy throw, in case it was set before coro_setup */ |
918 | CORO_THROW = coro->except; |
965 | CORO_THROW = coro->except; |
919 | } |
966 | } |
920 | |
967 | |
921 | static void |
968 | static void |
922 | coro_destruct (pTHX_ struct coro *coro) |
969 | coro_unwind_stacks (pTHX) |
923 | { |
970 | { |
924 | if (!IN_DESTRUCT) |
971 | if (!IN_DESTRUCT) |
925 | { |
972 | { |
926 | /* restore all saved variables and stuff */ |
973 | /* restore all saved variables and stuff */ |
927 | LEAVE_SCOPE (0); |
974 | LEAVE_SCOPE (0); |
… | |
… | |
935 | POPSTACK_TO (PL_mainstack); |
982 | POPSTACK_TO (PL_mainstack); |
936 | |
983 | |
937 | /* unwind main stack */ |
984 | /* unwind main stack */ |
938 | dounwind (-1); |
985 | dounwind (-1); |
939 | } |
986 | } |
|
|
987 | } |
|
|
988 | |
|
|
989 | static void |
|
|
990 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
991 | { |
|
|
992 | coro_unwind_stacks (aTHX); |
940 | |
993 | |
941 | SvREFCNT_dec (GvSV (PL_defgv)); |
994 | SvREFCNT_dec (GvSV (PL_defgv)); |
942 | SvREFCNT_dec (GvAV (PL_defgv)); |
995 | SvREFCNT_dec (GvAV (PL_defgv)); |
943 | SvREFCNT_dec (GvSV (PL_errgv)); |
996 | SvREFCNT_dec (GvSV (PL_errgv)); |
944 | SvREFCNT_dec (PL_defoutgv); |
997 | SvREFCNT_dec (PL_defoutgv); |
945 | SvREFCNT_dec (PL_rs); |
998 | SvREFCNT_dec (PL_rs); |
946 | SvREFCNT_dec (GvSV (irsgv)); |
999 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1000 | SvREFCNT_dec (GvHV (PL_hintgv)); |
947 | |
1001 | |
948 | SvREFCNT_dec (PL_diehook); |
1002 | SvREFCNT_dec (PL_diehook); |
949 | SvREFCNT_dec (PL_warnhook); |
1003 | SvREFCNT_dec (PL_warnhook); |
950 | |
1004 | |
951 | SvREFCNT_dec (coro->saved_deffh); |
1005 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
969 | static int |
1023 | static int |
970 | runops_trace (pTHX) |
1024 | runops_trace (pTHX) |
971 | { |
1025 | { |
972 | COP *oldcop = 0; |
1026 | COP *oldcop = 0; |
973 | int oldcxix = -2; |
1027 | int oldcxix = -2; |
974 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
975 | coro_cctx *cctx = coro->cctx; |
|
|
976 | |
1028 | |
977 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1029 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
978 | { |
1030 | { |
979 | PERL_ASYNC_CHECK (); |
1031 | PERL_ASYNC_CHECK (); |
980 | |
1032 | |
981 | if (cctx->flags & CC_TRACE_ALL) |
1033 | if (cctx_current->flags & CC_TRACE_ALL) |
982 | { |
1034 | { |
983 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1035 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
984 | { |
1036 | { |
985 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1037 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
986 | SV **bot, **top; |
1038 | SV **bot, **top; |
987 | AV *av = newAV (); /* return values */ |
1039 | AV *av = newAV (); /* return values */ |
988 | SV **cb; |
1040 | SV **cb; |
… | |
… | |
1025 | |
1077 | |
1026 | if (PL_curcop != &PL_compiling) |
1078 | if (PL_curcop != &PL_compiling) |
1027 | { |
1079 | { |
1028 | SV **cb; |
1080 | SV **cb; |
1029 | |
1081 | |
1030 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1082 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1031 | { |
1083 | { |
1032 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1084 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1033 | |
1085 | |
1034 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1086 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1035 | { |
1087 | { |
… | |
… | |
1058 | } |
1110 | } |
1059 | |
1111 | |
1060 | oldcxix = cxstack_ix; |
1112 | oldcxix = cxstack_ix; |
1061 | } |
1113 | } |
1062 | |
1114 | |
1063 | if (cctx->flags & CC_TRACE_LINE) |
1115 | if (cctx_current->flags & CC_TRACE_LINE) |
1064 | { |
1116 | { |
1065 | dSP; |
1117 | dSP; |
1066 | |
1118 | |
1067 | PL_runops = RUNOPS_DEFAULT; |
1119 | PL_runops = RUNOPS_DEFAULT; |
1068 | ENTER; |
1120 | ENTER; |
… | |
… | |
1087 | |
1139 | |
1088 | TAINT_NOT; |
1140 | TAINT_NOT; |
1089 | return 0; |
1141 | return 0; |
1090 | } |
1142 | } |
1091 | |
1143 | |
1092 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1093 | static struct CoroSLF cctx_ssl_frame; |
1144 | static struct CoroSLF cctx_ssl_frame; |
1094 | |
1145 | |
1095 | static void |
1146 | static void |
1096 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1147 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1097 | { |
1148 | { |
1098 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1099 | ta->next = 0; |
1149 | ta->prev = 0; |
1100 | } |
1150 | } |
1101 | |
1151 | |
1102 | static int |
1152 | static int |
1103 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1153 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1104 | { |
1154 | { |
… | |
… | |
1107 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1157 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1108 | } |
1158 | } |
1109 | |
1159 | |
1110 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1160 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1111 | static void NOINLINE |
1161 | static void NOINLINE |
1112 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1162 | cctx_prepare (pTHX) |
1113 | { |
1163 | { |
1114 | PL_top_env = &PL_start_env; |
1164 | PL_top_env = &PL_start_env; |
1115 | |
1165 | |
1116 | if (cctx->flags & CC_TRACE) |
1166 | if (cctx_current->flags & CC_TRACE) |
1117 | PL_runops = runops_trace; |
1167 | PL_runops = runops_trace; |
1118 | |
1168 | |
1119 | /* we already must be executing an SLF op, there is no other valid way |
1169 | /* we already must be executing an SLF op, there is no other valid way |
1120 | * that can lead to creation of a new cctx */ |
1170 | * that can lead to creation of a new cctx */ |
1121 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1171 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1122 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1172 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1123 | |
1173 | |
1124 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1174 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1125 | cctx_ssl_cctx = cctx; |
|
|
1126 | cctx_ssl_frame = slf_frame; |
1175 | cctx_ssl_frame = slf_frame; |
1127 | |
1176 | |
1128 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1177 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1129 | slf_frame.check = slf_check_set_stacklevel; |
1178 | slf_frame.check = slf_check_set_stacklevel; |
1130 | } |
1179 | } |
… | |
… | |
1153 | /* normally we would need to skip the entersub here */ |
1202 | /* normally we would need to skip the entersub here */ |
1154 | /* not doing so will re-execute it, which is exactly what we want */ |
1203 | /* not doing so will re-execute it, which is exactly what we want */ |
1155 | /* PL_nop = PL_nop->op_next */ |
1204 | /* PL_nop = PL_nop->op_next */ |
1156 | |
1205 | |
1157 | /* inject a fake subroutine call to cctx_init */ |
1206 | /* inject a fake subroutine call to cctx_init */ |
1158 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1207 | cctx_prepare (aTHX); |
1159 | |
1208 | |
1160 | /* cctx_run is the alternative tail of transfer() */ |
1209 | /* cctx_run is the alternative tail of transfer() */ |
1161 | transfer_tail (aTHX); |
1210 | transfer_tail (aTHX); |
1162 | |
1211 | |
1163 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1212 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
… | |
… | |
1171 | /* |
1220 | /* |
1172 | * If perl-run returns we assume exit() was being called or the coro |
1221 | * If perl-run returns we assume exit() was being called or the coro |
1173 | * fell off the end, which seems to be the only valid (non-bug) |
1222 | * fell off the end, which seems to be the only valid (non-bug) |
1174 | * reason for perl_run to return. We try to exit by jumping to the |
1223 | * reason for perl_run to return. We try to exit by jumping to the |
1175 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1224 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1176 | * coroutine as Coro has no such concept |
1225 | * coroutine as Coro has no such concept. |
|
|
1226 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1227 | * that backend are too broken to do it in a standards-compliant way. |
1177 | */ |
1228 | */ |
1178 | PL_top_env = main_top_env; |
1229 | PL_top_env = main_top_env; |
1179 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1230 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1180 | } |
1231 | } |
1181 | } |
1232 | } |
… | |
… | |
1258 | cctx_destroy (coro_cctx *cctx) |
1309 | cctx_destroy (coro_cctx *cctx) |
1259 | { |
1310 | { |
1260 | if (!cctx) |
1311 | if (!cctx) |
1261 | return; |
1312 | return; |
1262 | |
1313 | |
|
|
1314 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1315 | |
1263 | --cctx_count; |
1316 | --cctx_count; |
1264 | coro_destroy (&cctx->cctx); |
1317 | coro_destroy (&cctx->cctx); |
1265 | |
1318 | |
1266 | /* coro_transfer creates new, empty cctx's */ |
1319 | /* coro_transfer creates new, empty cctx's */ |
1267 | if (cctx->sptr) |
1320 | if (cctx->sptr) |
… | |
… | |
1330 | /* TODO: throwing up here is considered harmful */ |
1383 | /* TODO: throwing up here is considered harmful */ |
1331 | |
1384 | |
1332 | if (expect_true (prev != next)) |
1385 | if (expect_true (prev != next)) |
1333 | { |
1386 | { |
1334 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1387 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1335 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1388 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1336 | |
1389 | |
1337 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1338 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1339 | |
|
|
1340 | if (expect_false (next->flags & CF_DESTROYED)) |
1390 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1341 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1391 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1342 | |
1392 | |
1343 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1393 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1344 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1394 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1345 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1395 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1346 | #endif |
1396 | #endif |
… | |
… | |
1352 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1402 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1353 | { |
1403 | { |
1354 | dSTACKLEVEL; |
1404 | dSTACKLEVEL; |
1355 | |
1405 | |
1356 | /* sometimes transfer is only called to set idle_sp */ |
1406 | /* sometimes transfer is only called to set idle_sp */ |
1357 | if (expect_false (!next)) |
1407 | if (expect_false (!prev)) |
1358 | { |
1408 | { |
1359 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1409 | cctx_current->idle_sp = STACKLEVEL; |
1360 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1410 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1361 | } |
1411 | } |
1362 | else if (expect_true (prev != next)) |
1412 | else if (expect_true (prev != next)) |
1363 | { |
1413 | { |
1364 | coro_cctx *prev__cctx; |
1414 | coro_cctx *cctx_prev; |
1365 | |
1415 | |
1366 | if (expect_false (prev->flags & CF_NEW)) |
1416 | if (expect_false (prev->flags & CF_NEW)) |
1367 | { |
1417 | { |
1368 | /* create a new empty/source context */ |
1418 | /* create a new empty/source context */ |
1369 | prev->cctx = cctx_new_empty (); |
|
|
1370 | prev->flags &= ~CF_NEW; |
1419 | prev->flags &= ~CF_NEW; |
1371 | prev->flags |= CF_RUNNING; |
1420 | prev->flags |= CF_RUNNING; |
1372 | } |
1421 | } |
1373 | |
1422 | |
1374 | prev->flags &= ~CF_RUNNING; |
1423 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1385 | coro_setup (aTHX_ next); |
1434 | coro_setup (aTHX_ next); |
1386 | } |
1435 | } |
1387 | else |
1436 | else |
1388 | load_perl (aTHX_ next); |
1437 | load_perl (aTHX_ next); |
1389 | |
1438 | |
1390 | prev__cctx = prev->cctx; |
|
|
1391 | |
|
|
1392 | /* possibly untie and reuse the cctx */ |
1439 | /* possibly untie and reuse the cctx */ |
1393 | if (expect_true ( |
1440 | if (expect_true ( |
1394 | prev__cctx->idle_sp == STACKLEVEL |
1441 | cctx_current->idle_sp == STACKLEVEL |
1395 | && !(prev__cctx->flags & CC_TRACE) |
1442 | && !(cctx_current->flags & CC_TRACE) |
1396 | && !force_cctx |
1443 | && !force_cctx |
1397 | )) |
1444 | )) |
1398 | { |
1445 | { |
1399 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1446 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1400 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1447 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1401 | |
1448 | |
1402 | prev->cctx = 0; |
|
|
1403 | |
|
|
1404 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1449 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1405 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1450 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1406 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1451 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1407 | if (!next->cctx) |
1452 | if (expect_true (!next->cctx)) |
1408 | next->cctx = cctx_get (aTHX); |
1453 | next->cctx = cctx_get (aTHX); |
1409 | |
1454 | |
1410 | cctx_put (prev__cctx); |
1455 | cctx_put (cctx_current); |
1411 | } |
1456 | } |
|
|
1457 | else |
|
|
1458 | prev->cctx = cctx_current; |
1412 | |
1459 | |
1413 | ++next->usecount; |
1460 | ++next->usecount; |
1414 | |
1461 | |
1415 | if (expect_true (!next->cctx)) |
1462 | cctx_prev = cctx_current; |
1416 | next->cctx = cctx_get (aTHX); |
1463 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1417 | |
1464 | |
1418 | if (expect_false (prev__cctx != next->cctx)) |
1465 | next->cctx = 0; |
|
|
1466 | |
|
|
1467 | if (expect_false (cctx_prev != cctx_current)) |
1419 | { |
1468 | { |
1420 | prev__cctx->top_env = PL_top_env; |
1469 | cctx_prev->top_env = PL_top_env; |
1421 | PL_top_env = next->cctx->top_env; |
1470 | PL_top_env = cctx_current->top_env; |
1422 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1471 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1423 | } |
1472 | } |
1424 | |
1473 | |
1425 | transfer_tail (aTHX); |
1474 | transfer_tail (aTHX); |
1426 | } |
1475 | } |
1427 | } |
1476 | } |
… | |
… | |
1449 | --coro_nready; |
1498 | --coro_nready; |
1450 | } |
1499 | } |
1451 | else |
1500 | else |
1452 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1501 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1453 | |
1502 | |
1454 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1503 | if (coro->mainstack |
|
|
1504 | && coro->mainstack != main_mainstack |
|
|
1505 | && coro->slot |
|
|
1506 | && !PL_dirty) |
1455 | { |
1507 | { |
1456 | struct coro temp; |
1508 | struct coro *current = SvSTATE_current; |
1457 | |
1509 | |
1458 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1510 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1459 | |
1511 | |
1460 | save_perl (aTHX_ &temp); |
1512 | save_perl (aTHX_ current); |
1461 | load_perl (aTHX_ coro); |
1513 | load_perl (aTHX_ coro); |
1462 | |
1514 | |
1463 | coro_destruct (aTHX_ coro); |
1515 | coro_destruct_perl (aTHX_ coro); |
1464 | |
1516 | |
1465 | load_perl (aTHX_ &temp); |
1517 | load_perl (aTHX_ current); |
1466 | |
1518 | |
1467 | coro->slot = 0; |
1519 | coro->slot = 0; |
1468 | } |
1520 | } |
1469 | |
1521 | |
1470 | cctx_destroy (coro->cctx); |
1522 | cctx_destroy (coro->cctx); |
… | |
… | |
1582 | { |
1634 | { |
1583 | struct coro *coro; |
1635 | struct coro *coro; |
1584 | SV *sv_hook; |
1636 | SV *sv_hook; |
1585 | void (*xs_hook)(void); |
1637 | void (*xs_hook)(void); |
1586 | |
1638 | |
1587 | if (SvROK (coro_sv)) |
|
|
1588 | coro_sv = SvRV (coro_sv); |
|
|
1589 | |
|
|
1590 | coro = SvSTATE (coro_sv); |
1639 | coro = SvSTATE (coro_sv); |
1591 | |
1640 | |
1592 | if (coro->flags & CF_READY) |
1641 | if (coro->flags & CF_READY) |
1593 | return 0; |
1642 | return 0; |
1594 | |
1643 | |
… | |
… | |
1654 | if (expect_true (next_sv)) |
1703 | if (expect_true (next_sv)) |
1655 | { |
1704 | { |
1656 | struct coro *next = SvSTATE_hv (next_sv); |
1705 | struct coro *next = SvSTATE_hv (next_sv); |
1657 | |
1706 | |
1658 | /* cannot transfer to destroyed coros, skip and look for next */ |
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
1659 | if (expect_false (next->flags & CF_DESTROYED)) |
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1660 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1709 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1661 | else |
1710 | else |
1662 | { |
1711 | { |
1663 | next->flags &= ~CF_READY; |
1712 | next->flags &= ~CF_READY; |
1664 | --coro_nready; |
1713 | --coro_nready; |
… | |
… | |
1668 | } |
1717 | } |
1669 | } |
1718 | } |
1670 | else |
1719 | else |
1671 | { |
1720 | { |
1672 | /* nothing to schedule: call the idle handler */ |
1721 | /* nothing to schedule: call the idle handler */ |
|
|
1722 | if (SvROK (sv_idle) |
|
|
1723 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1724 | { |
|
|
1725 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1726 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1727 | --coro_nready; |
|
|
1728 | } |
|
|
1729 | else |
|
|
1730 | { |
1673 | dSP; |
1731 | dSP; |
1674 | |
1732 | |
1675 | ENTER; |
1733 | ENTER; |
1676 | SAVETMPS; |
1734 | SAVETMPS; |
1677 | |
1735 | |
1678 | PUSHMARK (SP); |
1736 | PUSHMARK (SP); |
1679 | PUTBACK; |
1737 | PUTBACK; |
1680 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1738 | call_sv (sv_idle, G_VOID | G_DISCARD); |
1681 | |
1739 | |
1682 | FREETMPS; |
1740 | FREETMPS; |
1683 | LEAVE; |
1741 | LEAVE; |
|
|
1742 | } |
1684 | } |
1743 | } |
1685 | } |
1744 | } |
1686 | } |
1745 | } |
1687 | |
1746 | |
1688 | INLINE void |
1747 | INLINE void |
… | |
… | |
1759 | static void |
1818 | static void |
1760 | api_trace (pTHX_ SV *coro_sv, int flags) |
1819 | api_trace (pTHX_ SV *coro_sv, int flags) |
1761 | { |
1820 | { |
1762 | struct coro *coro = SvSTATE (coro_sv); |
1821 | struct coro *coro = SvSTATE (coro_sv); |
1763 | |
1822 | |
|
|
1823 | if (coro->flags & CF_RUNNING) |
|
|
1824 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1825 | |
1764 | if (flags & CC_TRACE) |
1826 | if (flags & CC_TRACE) |
1765 | { |
1827 | { |
1766 | if (!coro->cctx) |
1828 | if (!coro->cctx) |
1767 | coro->cctx = cctx_new_run (); |
1829 | coro->cctx = cctx_new_run (); |
1768 | else if (!(coro->cctx->flags & CC_TRACE)) |
1830 | else if (!(coro->cctx->flags & CC_TRACE)) |
1769 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1831 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1770 | |
1832 | |
1771 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1833 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1772 | } |
1834 | } |
1773 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1835 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1774 | { |
1836 | { |
… | |
… | |
1830 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1892 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1831 | api_ready (aTHX_ sv_manager); |
1893 | api_ready (aTHX_ sv_manager); |
1832 | |
1894 | |
1833 | frame->prepare = prepare_schedule; |
1895 | frame->prepare = prepare_schedule; |
1834 | frame->check = slf_check_repeat; |
1896 | frame->check = slf_check_repeat; |
|
|
1897 | |
|
|
1898 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1899 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1900 | /*coro_unwind_stacks (aTHX);*/ |
1835 | } |
1901 | } |
1836 | |
1902 | |
1837 | /*****************************************************************************/ |
1903 | /*****************************************************************************/ |
1838 | /* async pool handler */ |
1904 | /* async pool handler */ |
1839 | |
1905 | |
… | |
… | |
2258 | |
2324 | |
2259 | PL_op->op_ppaddr = pp_slf; |
2325 | PL_op->op_ppaddr = pp_slf; |
2260 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2326 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2261 | |
2327 | |
2262 | PL_op = (OP *)&slf_restore; |
2328 | PL_op = (OP *)&slf_restore; |
|
|
2329 | } |
|
|
2330 | |
|
|
2331 | /*****************************************************************************/ |
|
|
2332 | /* dynamic wind */ |
|
|
2333 | |
|
|
2334 | static void |
|
|
2335 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2336 | { |
|
|
2337 | dSP; |
|
|
2338 | |
|
|
2339 | PUSHSTACK; |
|
|
2340 | |
|
|
2341 | PUSHMARK (SP); |
|
|
2342 | PUTBACK; |
|
|
2343 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2344 | SPAGAIN; |
|
|
2345 | |
|
|
2346 | POPSTACK; |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | static SV * |
|
|
2350 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2351 | { |
|
|
2352 | AV *av = *avp; |
|
|
2353 | SV *res = av_pop (av); |
|
|
2354 | |
|
|
2355 | if (AvFILLp (av) < 0) |
|
|
2356 | { |
|
|
2357 | *avp = 0; |
|
|
2358 | SvREFCNT_dec (av); |
|
|
2359 | } |
|
|
2360 | |
|
|
2361 | return res; |
|
|
2362 | } |
|
|
2363 | |
|
|
2364 | static void |
|
|
2365 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2366 | { |
|
|
2367 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2368 | SvREFCNT_dec (cb); |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | static void |
|
|
2372 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2373 | { |
|
|
2374 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2375 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2263 | } |
2376 | } |
2264 | |
2377 | |
2265 | /*****************************************************************************/ |
2378 | /*****************************************************************************/ |
2266 | /* PerlIO::cede */ |
2379 | /* PerlIO::cede */ |
2267 | |
2380 | |
… | |
… | |
2348 | SV **ary; |
2461 | SV **ary; |
2349 | |
2462 | |
2350 | /* unfortunately, building manually saves memory */ |
2463 | /* unfortunately, building manually saves memory */ |
2351 | Newx (ary, 2, SV *); |
2464 | Newx (ary, 2, SV *); |
2352 | AvALLOC (av) = ary; |
2465 | AvALLOC (av) = ary; |
|
|
2466 | #if PERL_VERSION_ATLEAST (5,10,0) |
2353 | /*AvARRAY (av) = ary;*/ |
2467 | AvARRAY (av) = ary; |
|
|
2468 | #else |
2354 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2469 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2470 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2471 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2472 | #endif |
2355 | AvMAX (av) = 1; |
2473 | AvMAX (av) = 1; |
2356 | AvFILLp (av) = 0; |
2474 | AvFILLp (av) = 0; |
2357 | ary [0] = newSViv (count); |
2475 | ary [0] = newSViv (count); |
2358 | |
2476 | |
2359 | return newRV_noinc ((SV *)av); |
2477 | return newRV_noinc ((SV *)av); |
… | |
… | |
2746 | coro_thx = PERL_GET_CONTEXT; |
2864 | coro_thx = PERL_GET_CONTEXT; |
2747 | # endif |
2865 | # endif |
2748 | #endif |
2866 | #endif |
2749 | BOOT_PAGESIZE; |
2867 | BOOT_PAGESIZE; |
2750 | |
2868 | |
|
|
2869 | cctx_current = cctx_new_empty (); |
|
|
2870 | |
2751 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2871 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2752 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2872 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2753 | |
2873 | |
2754 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2874 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2755 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2875 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2881 | _exit (int code) |
3001 | _exit (int code) |
2882 | PROTOTYPE: $ |
3002 | PROTOTYPE: $ |
2883 | CODE: |
3003 | CODE: |
2884 | _exit (code); |
3004 | _exit (code); |
2885 | |
3005 | |
2886 | #if CORO_CLONE |
|
|
2887 | |
|
|
2888 | SV * |
3006 | SV * |
2889 | clone (Coro::State coro) |
3007 | clone (Coro::State coro) |
2890 | CODE: |
3008 | CODE: |
2891 | { |
3009 | { |
|
|
3010 | #if CORO_CLONE |
2892 | struct coro *ncoro = coro_clone (coro); |
3011 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2893 | MAGIC *mg; |
3012 | MAGIC *mg; |
2894 | /* TODO: too much duplication */ |
3013 | /* TODO: too much duplication */ |
2895 | ncoro->hv = newHV (); |
3014 | ncoro->hv = newHV (); |
2896 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3015 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2897 | mg->mg_flags |= MGf_DUP; |
3016 | mg->mg_flags |= MGf_DUP; |
2898 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
3017 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3018 | #else |
|
|
3019 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3020 | #endif |
2899 | } |
3021 | } |
2900 | OUTPUT: |
3022 | OUTPUT: |
2901 | RETVAL |
3023 | RETVAL |
2902 | |
|
|
2903 | #endif |
|
|
2904 | |
3024 | |
2905 | int |
3025 | int |
2906 | cctx_stacksize (int new_stacksize = 0) |
3026 | cctx_stacksize (int new_stacksize = 0) |
2907 | PROTOTYPE: ;$ |
3027 | PROTOTYPE: ;$ |
2908 | CODE: |
3028 | CODE: |
… | |
… | |
2958 | eval = 1 |
3078 | eval = 1 |
2959 | CODE: |
3079 | CODE: |
2960 | { |
3080 | { |
2961 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3081 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2962 | { |
3082 | { |
2963 | struct coro temp; |
3083 | struct coro *current = SvSTATE_current; |
2964 | |
3084 | |
2965 | if (!(coro->flags & CF_RUNNING)) |
3085 | if (current != coro) |
2966 | { |
3086 | { |
2967 | PUTBACK; |
3087 | PUTBACK; |
2968 | save_perl (aTHX_ &temp); |
3088 | save_perl (aTHX_ current); |
2969 | load_perl (aTHX_ coro); |
3089 | load_perl (aTHX_ coro); |
|
|
3090 | SPAGAIN; |
2970 | } |
3091 | } |
2971 | |
3092 | |
2972 | { |
|
|
2973 | dSP; |
|
|
2974 | ENTER; |
|
|
2975 | SAVETMPS; |
|
|
2976 | PUTBACK; |
|
|
2977 | PUSHSTACK; |
3093 | PUSHSTACK; |
|
|
3094 | |
2978 | PUSHMARK (SP); |
3095 | PUSHMARK (SP); |
|
|
3096 | PUTBACK; |
2979 | |
3097 | |
2980 | if (ix) |
3098 | if (ix) |
2981 | eval_sv (coderef, 0); |
3099 | eval_sv (coderef, 0); |
2982 | else |
3100 | else |
2983 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3101 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2984 | |
3102 | |
|
|
3103 | SPAGAIN; |
2985 | POPSTACK; |
3104 | POPSTACK; |
2986 | SPAGAIN; |
|
|
2987 | FREETMPS; |
|
|
2988 | LEAVE; |
|
|
2989 | PUTBACK; |
|
|
2990 | } |
|
|
2991 | |
3105 | |
2992 | if (!(coro->flags & CF_RUNNING)) |
3106 | if (current != coro) |
2993 | { |
3107 | { |
|
|
3108 | PUTBACK; |
2994 | save_perl (aTHX_ coro); |
3109 | save_perl (aTHX_ coro); |
2995 | load_perl (aTHX_ &temp); |
3110 | load_perl (aTHX_ current); |
2996 | SPAGAIN; |
3111 | SPAGAIN; |
2997 | } |
3112 | } |
2998 | } |
3113 | } |
2999 | } |
3114 | } |
3000 | |
3115 | |
… | |
… | |
3004 | ALIAS: |
3119 | ALIAS: |
3005 | is_ready = CF_READY |
3120 | is_ready = CF_READY |
3006 | is_running = CF_RUNNING |
3121 | is_running = CF_RUNNING |
3007 | is_new = CF_NEW |
3122 | is_new = CF_NEW |
3008 | is_destroyed = CF_DESTROYED |
3123 | is_destroyed = CF_DESTROYED |
|
|
3124 | is_suspended = CF_SUSPENDED |
3009 | CODE: |
3125 | CODE: |
3010 | RETVAL = boolSV (coro->flags & ix); |
3126 | RETVAL = boolSV (coro->flags & ix); |
3011 | OUTPUT: |
3127 | OUTPUT: |
3012 | RETVAL |
3128 | RETVAL |
3013 | |
3129 | |
… | |
… | |
3029 | |
3145 | |
3030 | SV * |
3146 | SV * |
3031 | has_cctx (Coro::State coro) |
3147 | has_cctx (Coro::State coro) |
3032 | PROTOTYPE: $ |
3148 | PROTOTYPE: $ |
3033 | CODE: |
3149 | CODE: |
3034 | RETVAL = boolSV (!!coro->cctx); |
3150 | /* maybe manage the running flag differently */ |
|
|
3151 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
3035 | OUTPUT: |
3152 | OUTPUT: |
3036 | RETVAL |
3153 | RETVAL |
3037 | |
3154 | |
3038 | int |
3155 | int |
3039 | is_traced (Coro::State coro) |
3156 | is_traced (Coro::State coro) |
… | |
… | |
3059 | |
3176 | |
3060 | void |
3177 | void |
3061 | force_cctx () |
3178 | force_cctx () |
3062 | PROTOTYPE: |
3179 | PROTOTYPE: |
3063 | CODE: |
3180 | CODE: |
3064 | SvSTATE_current->cctx->idle_sp = 0; |
3181 | cctx_current->idle_sp = 0; |
3065 | |
3182 | |
3066 | void |
3183 | void |
3067 | swap_defsv (Coro::State self) |
3184 | swap_defsv (Coro::State self) |
3068 | PROTOTYPE: $ |
3185 | PROTOTYPE: $ |
3069 | ALIAS: |
3186 | ALIAS: |
… | |
… | |
3077 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3194 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3078 | |
3195 | |
3079 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3196 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3080 | } |
3197 | } |
3081 | |
3198 | |
|
|
3199 | void |
|
|
3200 | cancel (Coro::State self) |
|
|
3201 | CODE: |
|
|
3202 | coro_state_destroy (aTHX_ self); |
|
|
3203 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3204 | |
3082 | |
3205 | |
3083 | MODULE = Coro::State PACKAGE = Coro |
3206 | MODULE = Coro::State PACKAGE = Coro |
3084 | |
3207 | |
3085 | BOOT: |
3208 | BOOT: |
3086 | { |
3209 | { |
3087 | int i; |
3210 | int i; |
3088 | |
3211 | |
3089 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3212 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3090 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3213 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3091 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3214 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3092 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3215 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3093 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3216 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3094 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3217 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3095 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3218 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3096 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3219 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3220 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3097 | |
3221 | |
3098 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3222 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3099 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3223 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3100 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3224 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3101 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3225 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
… | |
… | |
3157 | |
3281 | |
3158 | void |
3282 | void |
3159 | cede_notself (...) |
3283 | cede_notself (...) |
3160 | CODE: |
3284 | CODE: |
3161 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3285 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3162 | |
|
|
3163 | void |
|
|
3164 | _cancel (Coro::State self) |
|
|
3165 | CODE: |
|
|
3166 | coro_state_destroy (aTHX_ self); |
|
|
3167 | coro_call_on_destroy (aTHX_ self); |
|
|
3168 | |
3286 | |
3169 | void |
3287 | void |
3170 | _set_current (SV *current) |
3288 | _set_current (SV *current) |
3171 | PROTOTYPE: $ |
3289 | PROTOTYPE: $ |
3172 | CODE: |
3290 | CODE: |
… | |
… | |
3280 | rouse_wait (...) |
3398 | rouse_wait (...) |
3281 | PROTOTYPE: ;$ |
3399 | PROTOTYPE: ;$ |
3282 | PPCODE: |
3400 | PPCODE: |
3283 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3401 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3284 | |
3402 | |
|
|
3403 | void |
|
|
3404 | on_enter (SV *block) |
|
|
3405 | ALIAS: |
|
|
3406 | on_leave = 1 |
|
|
3407 | PROTOTYPE: & |
|
|
3408 | CODE: |
|
|
3409 | { |
|
|
3410 | struct coro *coro = SvSTATE_current; |
|
|
3411 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3412 | |
|
|
3413 | block = (SV *)coro_sv_2cv (aTHX_ block); |
|
|
3414 | |
|
|
3415 | if (!*avp) |
|
|
3416 | *avp = newAV (); |
|
|
3417 | |
|
|
3418 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3419 | |
|
|
3420 | if (!ix) |
|
|
3421 | on_enterleave_call (aTHX_ block); |
|
|
3422 | |
|
|
3423 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3424 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3425 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3426 | } |
|
|
3427 | |
3285 | |
3428 | |
3286 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3429 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3287 | |
3430 | |
3288 | BOOT: |
3431 | BOOT: |
3289 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3432 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |