… | |
… | |
133 | #else |
133 | #else |
134 | # define dSTACKLEVEL volatile void *stacklevel |
134 | # define dSTACKLEVEL volatile void *stacklevel |
135 | # define STACKLEVEL ((void *)&stacklevel) |
135 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
136 | #endif |
137 | |
137 | |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
138 | #define IN_DESTRUCT PL_dirty |
139 | |
139 | |
140 | #if __GNUC__ >= 3 |
140 | #if __GNUC__ >= 3 |
141 | # define attribute(x) __attribute__(x) |
141 | # define attribute(x) __attribute__(x) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
143 | # define INLINE static inline |
143 | # define INLINE static inline |
… | |
… | |
238 | enum { |
238 | enum { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
|
|
243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
243 | }; |
244 | }; |
244 | |
245 | |
245 | /* 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 */ |
246 | typedef struct |
247 | typedef struct |
247 | { |
248 | { |
… | |
… | |
285 | /* async_pool */ |
286 | /* async_pool */ |
286 | SV *saved_deffh; |
287 | SV *saved_deffh; |
287 | SV *invoke_cb; |
288 | SV *invoke_cb; |
288 | AV *invoke_av; |
289 | AV *invoke_av; |
289 | |
290 | |
|
|
291 | /* on_enter/on_leave */ |
|
|
292 | AV *on_enter; |
|
|
293 | AV *on_leave; |
|
|
294 | |
290 | /* linked list */ |
295 | /* linked list */ |
291 | struct coro *next, *prev; |
296 | struct coro *next, *prev; |
292 | }; |
297 | }; |
293 | |
298 | |
294 | typedef struct coro *Coro__State; |
299 | typedef struct coro *Coro__State; |
… | |
… | |
352 | INLINE CV * |
357 | INLINE CV * |
353 | coro_sv_2cv (pTHX_ SV *sv) |
358 | coro_sv_2cv (pTHX_ SV *sv) |
354 | { |
359 | { |
355 | HV *st; |
360 | HV *st; |
356 | GV *gvp; |
361 | GV *gvp; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
362 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
363 | |
|
|
364 | if (!cv) |
|
|
365 | croak ("code reference expected"); |
|
|
366 | |
|
|
367 | return cv; |
358 | } |
368 | } |
|
|
369 | |
|
|
370 | /*****************************************************************************/ |
|
|
371 | /* magic glue */ |
|
|
372 | |
|
|
373 | #define CORO_MAGIC_type_cv 26 |
|
|
374 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
375 | |
|
|
376 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
377 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
378 | ? SvMAGIC (sv) \ |
|
|
379 | : mg_find (sv, type)) |
|
|
380 | |
|
|
381 | #define CORO_MAGIC(sv, type) \ |
|
|
382 | (expect_true (SvMAGIC (sv)) \ |
|
|
383 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
384 | : 0) |
|
|
385 | |
|
|
386 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
387 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
388 | |
|
|
389 | INLINE struct coro * |
|
|
390 | SvSTATE_ (pTHX_ SV *coro) |
|
|
391 | { |
|
|
392 | HV *stash; |
|
|
393 | MAGIC *mg; |
|
|
394 | |
|
|
395 | if (SvROK (coro)) |
|
|
396 | coro = SvRV (coro); |
|
|
397 | |
|
|
398 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
399 | croak ("Coro::State object required"); |
|
|
400 | |
|
|
401 | stash = SvSTASH (coro); |
|
|
402 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
403 | { |
|
|
404 | /* very slow, but rare, check */ |
|
|
405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
406 | croak ("Coro::State object required"); |
|
|
407 | } |
|
|
408 | |
|
|
409 | mg = CORO_MAGIC_state (coro); |
|
|
410 | return (struct coro *)mg->mg_ptr; |
|
|
411 | } |
|
|
412 | |
|
|
413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
414 | |
|
|
415 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
416 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
417 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
418 | |
|
|
419 | /*****************************************************************************/ |
|
|
420 | /* padlist management and caching */ |
359 | |
421 | |
360 | static AV * |
422 | static AV * |
361 | coro_derive_padlist (pTHX_ CV *cv) |
423 | coro_derive_padlist (pTHX_ CV *cv) |
362 | { |
424 | { |
363 | AV *padlist = CvPADLIST (cv); |
425 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
371 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
433 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
372 | #endif |
434 | #endif |
373 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
435 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
374 | --AvFILLp (padlist); |
436 | --AvFILLp (padlist); |
375 | |
437 | |
376 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
438 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
377 | av_store (newpadlist, 1, (SV *)newpad); |
439 | av_store (newpadlist, 1, (SV *)newpad); |
378 | |
440 | |
379 | return newpadlist; |
441 | return newpadlist; |
380 | } |
442 | } |
381 | |
443 | |
382 | static void |
444 | static void |
383 | free_padlist (pTHX_ AV *padlist) |
445 | free_padlist (pTHX_ AV *padlist) |
384 | { |
446 | { |
385 | /* may be during global destruction */ |
447 | /* may be during global destruction */ |
386 | if (SvREFCNT (padlist)) |
448 | if (!IN_DESTRUCT) |
387 | { |
449 | { |
388 | I32 i = AvFILLp (padlist); |
450 | I32 i = AvFILLp (padlist); |
389 | while (i >= 0) |
451 | |
|
|
452 | while (i > 0) /* special-case index 0 */ |
390 | { |
453 | { |
391 | SV **svp = av_fetch (padlist, i--, FALSE); |
454 | /* we try to be extra-careful here */ |
392 | if (svp) |
455 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
393 | { |
456 | I32 j = AvFILLp (av); |
394 | SV *sv; |
457 | |
395 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
458 | while (j >= 0) |
|
|
459 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
460 | |
|
|
461 | AvFILLp (av) = -1; |
396 | SvREFCNT_dec (sv); |
462 | SvREFCNT_dec (av); |
397 | |
|
|
398 | SvREFCNT_dec (*svp); |
|
|
399 | } |
|
|
400 | } |
463 | } |
401 | |
464 | |
|
|
465 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
466 | |
|
|
467 | AvFILLp (padlist) = -1; |
402 | SvREFCNT_dec ((SV*)padlist); |
468 | SvREFCNT_dec ((SV*)padlist); |
403 | } |
469 | } |
404 | } |
470 | } |
405 | |
471 | |
406 | static int |
472 | static int |
… | |
… | |
415 | |
481 | |
416 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
482 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
417 | |
483 | |
418 | return 0; |
484 | return 0; |
419 | } |
485 | } |
420 | |
|
|
421 | #define CORO_MAGIC_type_cv 26 |
|
|
422 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
423 | |
486 | |
424 | static MGVTBL coro_cv_vtbl = { |
487 | static MGVTBL coro_cv_vtbl = { |
425 | 0, 0, 0, 0, |
488 | 0, 0, 0, 0, |
426 | coro_cv_free |
489 | coro_cv_free |
427 | }; |
490 | }; |
428 | |
|
|
429 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
430 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
431 | ? SvMAGIC (sv) \ |
|
|
432 | : mg_find (sv, type)) |
|
|
433 | |
|
|
434 | #define CORO_MAGIC(sv, type) \ |
|
|
435 | (expect_true (SvMAGIC (sv)) \ |
|
|
436 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
437 | : 0) |
|
|
438 | |
|
|
439 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
440 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
441 | |
|
|
442 | INLINE struct coro * |
|
|
443 | SvSTATE_ (pTHX_ SV *coro) |
|
|
444 | { |
|
|
445 | HV *stash; |
|
|
446 | MAGIC *mg; |
|
|
447 | |
|
|
448 | if (SvROK (coro)) |
|
|
449 | coro = SvRV (coro); |
|
|
450 | |
|
|
451 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
452 | croak ("Coro::State object required"); |
|
|
453 | |
|
|
454 | stash = SvSTASH (coro); |
|
|
455 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
456 | { |
|
|
457 | /* very slow, but rare, check */ |
|
|
458 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
459 | croak ("Coro::State object required"); |
|
|
460 | } |
|
|
461 | |
|
|
462 | mg = CORO_MAGIC_state (coro); |
|
|
463 | return (struct coro *)mg->mg_ptr; |
|
|
464 | } |
|
|
465 | |
|
|
466 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
467 | |
|
|
468 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
469 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
470 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
471 | |
491 | |
472 | /* the next two functions merely cache the padlists */ |
492 | /* the next two functions merely cache the padlists */ |
473 | static void |
493 | static void |
474 | get_padlist (pTHX_ CV *cv) |
494 | get_padlist (pTHX_ CV *cv) |
475 | { |
495 | { |
… | |
… | |
503 | 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); |
504 | |
524 | |
505 | av = (AV *)mg->mg_obj; |
525 | av = (AV *)mg->mg_obj; |
506 | |
526 | |
507 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
527 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
508 | av_extend (av, AvMAX (av) + 1); |
528 | av_extend (av, AvFILLp (av) + 1); |
509 | |
529 | |
510 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
530 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
511 | } |
531 | } |
512 | |
532 | |
513 | /** load & save, init *******************************************************/ |
533 | /** load & save, init *******************************************************/ |
|
|
534 | |
|
|
535 | static void |
|
|
536 | on_enterleave_call (pTHX_ SV *cb); |
514 | |
537 | |
515 | static void |
538 | static void |
516 | load_perl (pTHX_ Coro__State c) |
539 | load_perl (pTHX_ Coro__State c) |
517 | { |
540 | { |
518 | perl_slots *slot = c->slot; |
541 | perl_slots *slot = c->slot; |
… | |
… | |
546 | PUTBACK; |
569 | PUTBACK; |
547 | } |
570 | } |
548 | |
571 | |
549 | slf_frame = c->slf_frame; |
572 | slf_frame = c->slf_frame; |
550 | CORO_THROW = c->except; |
573 | CORO_THROW = c->except; |
|
|
574 | |
|
|
575 | if (expect_false (c->on_enter)) |
|
|
576 | { |
|
|
577 | int i; |
|
|
578 | |
|
|
579 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
580 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
581 | } |
551 | } |
582 | } |
552 | |
583 | |
553 | static void |
584 | static void |
554 | save_perl (pTHX_ Coro__State c) |
585 | save_perl (pTHX_ Coro__State c) |
555 | { |
586 | { |
|
|
587 | if (expect_false (c->on_leave)) |
|
|
588 | { |
|
|
589 | int i; |
|
|
590 | |
|
|
591 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
592 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
593 | } |
|
|
594 | |
556 | c->except = CORO_THROW; |
595 | c->except = CORO_THROW; |
557 | c->slf_frame = slf_frame; |
596 | c->slf_frame = slf_frame; |
558 | |
597 | |
559 | { |
598 | { |
560 | dSP; |
599 | dSP; |
… | |
… | |
759 | #endif |
798 | #endif |
760 | |
799 | |
761 | /* |
800 | /* |
762 | * This overrides the default magic get method of %SIG elements. |
801 | * This overrides the default magic get method of %SIG elements. |
763 | * 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 |
764 | * 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 |
765 | * readback here. |
804 | * readback here. |
766 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
767 | * not expecting this to actually change the hook. This is a potential problem |
|
|
768 | * when a schedule happens then, but we ignore this. |
|
|
769 | */ |
805 | */ |
770 | static int |
806 | static int |
771 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
807 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
772 | { |
808 | { |
773 | const char *s = MgPV_nolen_const (mg); |
809 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
826 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
862 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
827 | |
863 | |
828 | if (svp) |
864 | if (svp) |
829 | { |
865 | { |
830 | SV *old = *svp; |
866 | SV *old = *svp; |
831 | *svp = newSVsv (sv); |
867 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
832 | SvREFCNT_dec (old); |
868 | SvREFCNT_dec (old); |
833 | return 0; |
869 | return 0; |
834 | } |
870 | } |
835 | } |
871 | } |
836 | |
872 | |
… | |
… | |
928 | /* copy throw, in case it was set before coro_setup */ |
964 | /* copy throw, in case it was set before coro_setup */ |
929 | CORO_THROW = coro->except; |
965 | CORO_THROW = coro->except; |
930 | } |
966 | } |
931 | |
967 | |
932 | static void |
968 | static void |
933 | coro_destruct (pTHX_ struct coro *coro) |
969 | coro_unwind_stacks (pTHX) |
934 | { |
970 | { |
935 | if (!IN_DESTRUCT) |
971 | if (!IN_DESTRUCT) |
936 | { |
972 | { |
937 | /* restore all saved variables and stuff */ |
973 | /* restore all saved variables and stuff */ |
938 | LEAVE_SCOPE (0); |
974 | LEAVE_SCOPE (0); |
… | |
… | |
946 | POPSTACK_TO (PL_mainstack); |
982 | POPSTACK_TO (PL_mainstack); |
947 | |
983 | |
948 | /* unwind main stack */ |
984 | /* unwind main stack */ |
949 | dounwind (-1); |
985 | dounwind (-1); |
950 | } |
986 | } |
|
|
987 | } |
|
|
988 | |
|
|
989 | static void |
|
|
990 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
991 | { |
|
|
992 | coro_unwind_stacks (aTHX); |
951 | |
993 | |
952 | SvREFCNT_dec (GvSV (PL_defgv)); |
994 | SvREFCNT_dec (GvSV (PL_defgv)); |
953 | SvREFCNT_dec (GvAV (PL_defgv)); |
995 | SvREFCNT_dec (GvAV (PL_defgv)); |
954 | SvREFCNT_dec (GvSV (PL_errgv)); |
996 | SvREFCNT_dec (GvSV (PL_errgv)); |
955 | SvREFCNT_dec (PL_defoutgv); |
997 | SvREFCNT_dec (PL_defoutgv); |
… | |
… | |
1267 | cctx_destroy (coro_cctx *cctx) |
1309 | cctx_destroy (coro_cctx *cctx) |
1268 | { |
1310 | { |
1269 | if (!cctx) |
1311 | if (!cctx) |
1270 | return; |
1312 | return; |
1271 | |
1313 | |
1272 | assert (cctx != cctx_current);//D temporary |
1314 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1273 | |
1315 | |
1274 | --cctx_count; |
1316 | --cctx_count; |
1275 | coro_destroy (&cctx->cctx); |
1317 | coro_destroy (&cctx->cctx); |
1276 | |
1318 | |
1277 | /* coro_transfer creates new, empty cctx's */ |
1319 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1341 | /* TODO: throwing up here is considered harmful */ |
1383 | /* TODO: throwing up here is considered harmful */ |
1342 | |
1384 | |
1343 | if (expect_true (prev != next)) |
1385 | if (expect_true (prev != next)) |
1344 | { |
1386 | { |
1345 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1387 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1346 | croak ("Coro::State::transfer called with a suspended 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,"); |
1347 | |
1389 | |
1348 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1349 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1350 | |
|
|
1351 | if (expect_false (next->flags & CF_DESTROYED)) |
1390 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1352 | 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,"); |
1353 | |
1392 | |
1354 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1393 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1355 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1394 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1356 | 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,"); |
1357 | #endif |
1396 | #endif |
… | |
… | |
1395 | coro_setup (aTHX_ next); |
1434 | coro_setup (aTHX_ next); |
1396 | } |
1435 | } |
1397 | else |
1436 | else |
1398 | load_perl (aTHX_ next); |
1437 | load_perl (aTHX_ next); |
1399 | |
1438 | |
1400 | assert (!prev->cctx);//D temporary |
|
|
1401 | |
|
|
1402 | /* possibly untie and reuse the cctx */ |
1439 | /* possibly untie and reuse the cctx */ |
1403 | if (expect_true ( |
1440 | if (expect_true ( |
1404 | cctx_current->idle_sp == STACKLEVEL |
1441 | cctx_current->idle_sp == STACKLEVEL |
1405 | && !(cctx_current->flags & CC_TRACE) |
1442 | && !(cctx_current->flags & CC_TRACE) |
1406 | && !force_cctx |
1443 | && !force_cctx |
… | |
… | |
1461 | --coro_nready; |
1498 | --coro_nready; |
1462 | } |
1499 | } |
1463 | else |
1500 | else |
1464 | 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 */ |
1465 | |
1502 | |
1466 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1503 | if (coro->mainstack |
|
|
1504 | && coro->mainstack != main_mainstack |
|
|
1505 | && coro->slot |
|
|
1506 | && !PL_dirty) |
1467 | { |
1507 | { |
1468 | struct coro temp; |
1508 | struct coro *current = SvSTATE_current; |
1469 | |
1509 | |
1470 | 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)); |
1471 | |
1511 | |
1472 | save_perl (aTHX_ &temp); |
1512 | save_perl (aTHX_ current); |
1473 | load_perl (aTHX_ coro); |
1513 | load_perl (aTHX_ coro); |
1474 | |
1514 | |
1475 | coro_destruct (aTHX_ coro); |
1515 | coro_destruct_perl (aTHX_ coro); |
1476 | |
1516 | |
1477 | load_perl (aTHX_ &temp); |
1517 | load_perl (aTHX_ current); |
1478 | |
1518 | |
1479 | coro->slot = 0; |
1519 | coro->slot = 0; |
1480 | } |
1520 | } |
1481 | |
1521 | |
1482 | cctx_destroy (coro->cctx); |
1522 | cctx_destroy (coro->cctx); |
… | |
… | |
1663 | if (expect_true (next_sv)) |
1703 | if (expect_true (next_sv)) |
1664 | { |
1704 | { |
1665 | struct coro *next = SvSTATE_hv (next_sv); |
1705 | struct coro *next = SvSTATE_hv (next_sv); |
1666 | |
1706 | |
1667 | /* cannot transfer to destroyed coros, skip and look for next */ |
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
1668 | if (expect_false (next->flags & CF_DESTROYED)) |
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1669 | 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 */ |
1670 | else |
1710 | else |
1671 | { |
1711 | { |
1672 | next->flags &= ~CF_READY; |
1712 | next->flags &= ~CF_READY; |
1673 | --coro_nready; |
1713 | --coro_nready; |
… | |
… | |
1852 | 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 */ |
1853 | api_ready (aTHX_ sv_manager); |
1893 | api_ready (aTHX_ sv_manager); |
1854 | |
1894 | |
1855 | frame->prepare = prepare_schedule; |
1895 | frame->prepare = prepare_schedule; |
1856 | 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);*/ |
1857 | } |
1901 | } |
1858 | |
1902 | |
1859 | /*****************************************************************************/ |
1903 | /*****************************************************************************/ |
1860 | /* async pool handler */ |
1904 | /* async pool handler */ |
1861 | |
1905 | |
… | |
… | |
2280 | |
2324 | |
2281 | PL_op->op_ppaddr = pp_slf; |
2325 | PL_op->op_ppaddr = pp_slf; |
2282 | /*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 */ |
2283 | |
2327 | |
2284 | 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)); |
2285 | } |
2376 | } |
2286 | |
2377 | |
2287 | /*****************************************************************************/ |
2378 | /*****************************************************************************/ |
2288 | /* PerlIO::cede */ |
2379 | /* PerlIO::cede */ |
2289 | |
2380 | |
… | |
… | |
2370 | SV **ary; |
2461 | SV **ary; |
2371 | |
2462 | |
2372 | /* unfortunately, building manually saves memory */ |
2463 | /* unfortunately, building manually saves memory */ |
2373 | Newx (ary, 2, SV *); |
2464 | Newx (ary, 2, SV *); |
2374 | AvALLOC (av) = ary; |
2465 | AvALLOC (av) = ary; |
|
|
2466 | #if PERL_VERSION_ATLEAST (5,10,0) |
2375 | /*AvARRAY (av) = ary;*/ |
2467 | AvARRAY (av) = ary; |
|
|
2468 | #else |
2376 | 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 |
2377 | AvMAX (av) = 1; |
2473 | AvMAX (av) = 1; |
2378 | AvFILLp (av) = 0; |
2474 | AvFILLp (av) = 0; |
2379 | ary [0] = newSViv (count); |
2475 | ary [0] = newSViv (count); |
2380 | |
2476 | |
2381 | return newRV_noinc ((SV *)av); |
2477 | return newRV_noinc ((SV *)av); |
… | |
… | |
2910 | SV * |
3006 | SV * |
2911 | clone (Coro::State coro) |
3007 | clone (Coro::State coro) |
2912 | CODE: |
3008 | CODE: |
2913 | { |
3009 | { |
2914 | #if CORO_CLONE |
3010 | #if CORO_CLONE |
2915 | struct coro *ncoro = coro_clone (coro); |
3011 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2916 | MAGIC *mg; |
3012 | MAGIC *mg; |
2917 | /* TODO: too much duplication */ |
3013 | /* TODO: too much duplication */ |
2918 | ncoro->hv = newHV (); |
3014 | ncoro->hv = newHV (); |
2919 | 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); |
2920 | mg->mg_flags |= MGf_DUP; |
3016 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2982 | eval = 1 |
3078 | eval = 1 |
2983 | CODE: |
3079 | CODE: |
2984 | { |
3080 | { |
2985 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3081 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2986 | { |
3082 | { |
2987 | struct coro temp; |
3083 | struct coro *current = SvSTATE_current; |
2988 | |
3084 | |
2989 | if (!(coro->flags & CF_RUNNING)) |
3085 | if (current != coro) |
2990 | { |
3086 | { |
2991 | PUTBACK; |
3087 | PUTBACK; |
2992 | save_perl (aTHX_ &temp); |
3088 | save_perl (aTHX_ current); |
2993 | load_perl (aTHX_ coro); |
3089 | load_perl (aTHX_ coro); |
|
|
3090 | SPAGAIN; |
2994 | } |
3091 | } |
2995 | |
3092 | |
2996 | { |
|
|
2997 | dSP; |
|
|
2998 | ENTER; |
|
|
2999 | SAVETMPS; |
|
|
3000 | PUTBACK; |
|
|
3001 | PUSHSTACK; |
3093 | PUSHSTACK; |
|
|
3094 | |
3002 | PUSHMARK (SP); |
3095 | PUSHMARK (SP); |
|
|
3096 | PUTBACK; |
3003 | |
3097 | |
3004 | if (ix) |
3098 | if (ix) |
3005 | eval_sv (coderef, 0); |
3099 | eval_sv (coderef, 0); |
3006 | else |
3100 | else |
3007 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3101 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3008 | |
3102 | |
|
|
3103 | SPAGAIN; |
3009 | POPSTACK; |
3104 | POPSTACK; |
3010 | SPAGAIN; |
|
|
3011 | FREETMPS; |
|
|
3012 | LEAVE; |
|
|
3013 | PUTBACK; |
|
|
3014 | } |
|
|
3015 | |
3105 | |
3016 | if (!(coro->flags & CF_RUNNING)) |
3106 | if (current != coro) |
3017 | { |
3107 | { |
|
|
3108 | PUTBACK; |
3018 | save_perl (aTHX_ coro); |
3109 | save_perl (aTHX_ coro); |
3019 | load_perl (aTHX_ &temp); |
3110 | load_perl (aTHX_ current); |
3020 | SPAGAIN; |
3111 | SPAGAIN; |
3021 | } |
3112 | } |
3022 | } |
3113 | } |
3023 | } |
3114 | } |
3024 | |
3115 | |
… | |
… | |
3028 | ALIAS: |
3119 | ALIAS: |
3029 | is_ready = CF_READY |
3120 | is_ready = CF_READY |
3030 | is_running = CF_RUNNING |
3121 | is_running = CF_RUNNING |
3031 | is_new = CF_NEW |
3122 | is_new = CF_NEW |
3032 | is_destroyed = CF_DESTROYED |
3123 | is_destroyed = CF_DESTROYED |
|
|
3124 | is_suspended = CF_SUSPENDED |
3033 | CODE: |
3125 | CODE: |
3034 | RETVAL = boolSV (coro->flags & ix); |
3126 | RETVAL = boolSV (coro->flags & ix); |
3035 | OUTPUT: |
3127 | OUTPUT: |
3036 | RETVAL |
3128 | RETVAL |
3037 | |
3129 | |
… | |
… | |
3102 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3194 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3103 | |
3195 | |
3104 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3196 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3105 | } |
3197 | } |
3106 | |
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 | |
3107 | |
3205 | |
3108 | MODULE = Coro::State PACKAGE = Coro |
3206 | MODULE = Coro::State PACKAGE = Coro |
3109 | |
3207 | |
3110 | BOOT: |
3208 | BOOT: |
3111 | { |
3209 | { |
3112 | int i; |
3210 | int i; |
3113 | |
3211 | |
3114 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3212 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3115 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3213 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3116 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3214 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3117 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3215 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3118 | 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); |
3119 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3217 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3120 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3218 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3121 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3219 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
… | |
… | |
3183 | |
3281 | |
3184 | void |
3282 | void |
3185 | cede_notself (...) |
3283 | cede_notself (...) |
3186 | CODE: |
3284 | CODE: |
3187 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3285 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3188 | |
|
|
3189 | void |
|
|
3190 | _cancel (Coro::State self) |
|
|
3191 | CODE: |
|
|
3192 | coro_state_destroy (aTHX_ self); |
|
|
3193 | coro_call_on_destroy (aTHX_ self); |
|
|
3194 | |
3286 | |
3195 | void |
3287 | void |
3196 | _set_current (SV *current) |
3288 | _set_current (SV *current) |
3197 | PROTOTYPE: $ |
3289 | PROTOTYPE: $ |
3198 | CODE: |
3290 | CODE: |
… | |
… | |
3306 | rouse_wait (...) |
3398 | rouse_wait (...) |
3307 | PROTOTYPE: ;$ |
3399 | PROTOTYPE: ;$ |
3308 | PPCODE: |
3400 | PPCODE: |
3309 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3401 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3310 | |
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 | |
3311 | |
3428 | |
3312 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3429 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3313 | |
3430 | |
3314 | BOOT: |
3431 | BOOT: |
3315 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3432 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |