… | |
… | |
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 | |
… | |
… | |
385 | /* may be during global destruction */ |
447 | /* may be during global destruction */ |
386 | if (!IN_DESTRUCT) |
448 | if (!IN_DESTRUCT) |
387 | { |
449 | { |
388 | I32 i = AvFILLp (padlist); |
450 | I32 i = AvFILLp (padlist); |
389 | |
451 | |
390 | while (i >= 0) |
452 | while (i > 0) /* special-case index 0 */ |
391 | { |
453 | { |
392 | /* we try to be extra-careful here */ |
454 | /* we try to be extra-careful here */ |
393 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
455 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
394 | |
|
|
395 | I32 i = AvFILLp (av); |
456 | I32 j = AvFILLp (av); |
396 | |
457 | |
397 | while (i >= 0) |
458 | while (j >= 0) |
398 | SvREFCNT_dec (AvARRAY (av)[i--]); |
459 | SvREFCNT_dec (AvARRAY (av)[j--]); |
399 | |
460 | |
400 | AvFILLp (av) = -1; |
461 | AvFILLp (av) = -1; |
401 | SvREFCNT_dec (av); |
462 | SvREFCNT_dec (av); |
402 | } |
463 | } |
403 | |
464 | |
|
|
465 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
466 | |
404 | AvFILLp (padlist) = -1; |
467 | AvFILLp (padlist) = -1; |
405 | SvREFCNT_dec ((SV*)padlist); |
468 | SvREFCNT_dec ((SV*)padlist); |
406 | } |
469 | } |
407 | } |
470 | } |
408 | |
471 | |
… | |
… | |
418 | |
481 | |
419 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
482 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
420 | |
483 | |
421 | return 0; |
484 | return 0; |
422 | } |
485 | } |
423 | |
|
|
424 | #define CORO_MAGIC_type_cv 26 |
|
|
425 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
426 | |
486 | |
427 | static MGVTBL coro_cv_vtbl = { |
487 | static MGVTBL coro_cv_vtbl = { |
428 | 0, 0, 0, 0, |
488 | 0, 0, 0, 0, |
429 | coro_cv_free |
489 | coro_cv_free |
430 | }; |
490 | }; |
431 | |
|
|
432 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
433 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
434 | ? SvMAGIC (sv) \ |
|
|
435 | : mg_find (sv, type)) |
|
|
436 | |
|
|
437 | #define CORO_MAGIC(sv, type) \ |
|
|
438 | (expect_true (SvMAGIC (sv)) \ |
|
|
439 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
440 | : 0) |
|
|
441 | |
|
|
442 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
443 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
444 | |
|
|
445 | INLINE struct coro * |
|
|
446 | SvSTATE_ (pTHX_ SV *coro) |
|
|
447 | { |
|
|
448 | HV *stash; |
|
|
449 | MAGIC *mg; |
|
|
450 | |
|
|
451 | if (SvROK (coro)) |
|
|
452 | coro = SvRV (coro); |
|
|
453 | |
|
|
454 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
455 | croak ("Coro::State object required"); |
|
|
456 | |
|
|
457 | stash = SvSTASH (coro); |
|
|
458 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
459 | { |
|
|
460 | /* very slow, but rare, check */ |
|
|
461 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
462 | croak ("Coro::State object required"); |
|
|
463 | } |
|
|
464 | |
|
|
465 | mg = CORO_MAGIC_state (coro); |
|
|
466 | return (struct coro *)mg->mg_ptr; |
|
|
467 | } |
|
|
468 | |
|
|
469 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
470 | |
|
|
471 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
472 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
473 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
474 | |
491 | |
475 | /* the next two functions merely cache the padlists */ |
492 | /* the next two functions merely cache the padlists */ |
476 | static void |
493 | static void |
477 | get_padlist (pTHX_ CV *cv) |
494 | get_padlist (pTHX_ CV *cv) |
478 | { |
495 | { |
… | |
… | |
514 | } |
531 | } |
515 | |
532 | |
516 | /** load & save, init *******************************************************/ |
533 | /** load & save, init *******************************************************/ |
517 | |
534 | |
518 | static void |
535 | static void |
|
|
536 | on_enterleave_call (pTHX_ SV *cb); |
|
|
537 | |
|
|
538 | static void |
519 | load_perl (pTHX_ Coro__State c) |
539 | load_perl (pTHX_ Coro__State c) |
520 | { |
540 | { |
521 | perl_slots *slot = c->slot; |
541 | perl_slots *slot = c->slot; |
522 | c->slot = 0; |
542 | c->slot = 0; |
523 | |
543 | |
… | |
… | |
549 | PUTBACK; |
569 | PUTBACK; |
550 | } |
570 | } |
551 | |
571 | |
552 | slf_frame = c->slf_frame; |
572 | slf_frame = c->slf_frame; |
553 | 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 | } |
554 | } |
582 | } |
555 | |
583 | |
556 | static void |
584 | static void |
557 | save_perl (pTHX_ Coro__State c) |
585 | save_perl (pTHX_ Coro__State c) |
558 | { |
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 | |
559 | c->except = CORO_THROW; |
595 | c->except = CORO_THROW; |
560 | c->slf_frame = slf_frame; |
596 | c->slf_frame = slf_frame; |
561 | |
597 | |
562 | { |
598 | { |
563 | dSP; |
599 | dSP; |
… | |
… | |
762 | #endif |
798 | #endif |
763 | |
799 | |
764 | /* |
800 | /* |
765 | * This overrides the default magic get method of %SIG elements. |
801 | * This overrides the default magic get method of %SIG elements. |
766 | * 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 |
767 | * 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 |
768 | * readback here. |
804 | * readback here. |
769 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
770 | * not expecting this to actually change the hook. This is a potential problem |
|
|
771 | * when a schedule happens then, but we ignore this. |
|
|
772 | */ |
805 | */ |
773 | static int |
806 | static int |
774 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
807 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
775 | { |
808 | { |
776 | const char *s = MgPV_nolen_const (mg); |
809 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
829 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
862 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
830 | |
863 | |
831 | if (svp) |
864 | if (svp) |
832 | { |
865 | { |
833 | SV *old = *svp; |
866 | SV *old = *svp; |
834 | *svp = newSVsv (sv); |
867 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
835 | SvREFCNT_dec (old); |
868 | SvREFCNT_dec (old); |
836 | return 0; |
869 | return 0; |
837 | } |
870 | } |
838 | } |
871 | } |
839 | |
872 | |
… | |
… | |
931 | /* copy throw, in case it was set before coro_setup */ |
964 | /* copy throw, in case it was set before coro_setup */ |
932 | CORO_THROW = coro->except; |
965 | CORO_THROW = coro->except; |
933 | } |
966 | } |
934 | |
967 | |
935 | static void |
968 | static void |
936 | coro_destruct (pTHX_ struct coro *coro) |
969 | coro_unwind_stacks (pTHX) |
937 | { |
970 | { |
938 | if (!IN_DESTRUCT) |
971 | if (!IN_DESTRUCT) |
939 | { |
972 | { |
940 | /* restore all saved variables and stuff */ |
973 | /* restore all saved variables and stuff */ |
941 | LEAVE_SCOPE (0); |
974 | LEAVE_SCOPE (0); |
… | |
… | |
949 | POPSTACK_TO (PL_mainstack); |
982 | POPSTACK_TO (PL_mainstack); |
950 | |
983 | |
951 | /* unwind main stack */ |
984 | /* unwind main stack */ |
952 | dounwind (-1); |
985 | dounwind (-1); |
953 | } |
986 | } |
|
|
987 | } |
|
|
988 | |
|
|
989 | static void |
|
|
990 | coro_destruct_perl (pTHX_ struct coro *coro) |
|
|
991 | { |
|
|
992 | coro_unwind_stacks (aTHX); |
954 | |
993 | |
955 | SvREFCNT_dec (GvSV (PL_defgv)); |
994 | SvREFCNT_dec (GvSV (PL_defgv)); |
956 | SvREFCNT_dec (GvAV (PL_defgv)); |
995 | SvREFCNT_dec (GvAV (PL_defgv)); |
957 | SvREFCNT_dec (GvSV (PL_errgv)); |
996 | SvREFCNT_dec (GvSV (PL_errgv)); |
958 | SvREFCNT_dec (PL_defoutgv); |
997 | SvREFCNT_dec (PL_defoutgv); |
… | |
… | |
1270 | cctx_destroy (coro_cctx *cctx) |
1309 | cctx_destroy (coro_cctx *cctx) |
1271 | { |
1310 | { |
1272 | if (!cctx) |
1311 | if (!cctx) |
1273 | return; |
1312 | return; |
1274 | |
1313 | |
1275 | assert (cctx != cctx_current);//D temporary |
1314 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1276 | |
1315 | |
1277 | --cctx_count; |
1316 | --cctx_count; |
1278 | coro_destroy (&cctx->cctx); |
1317 | coro_destroy (&cctx->cctx); |
1279 | |
1318 | |
1280 | /* coro_transfer creates new, empty cctx's */ |
1319 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1344 | /* TODO: throwing up here is considered harmful */ |
1383 | /* TODO: throwing up here is considered harmful */ |
1345 | |
1384 | |
1346 | if (expect_true (prev != next)) |
1385 | if (expect_true (prev != next)) |
1347 | { |
1386 | { |
1348 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1387 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1349 | 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,"); |
1350 | |
1389 | |
1351 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1352 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1353 | |
|
|
1354 | if (expect_false (next->flags & CF_DESTROYED)) |
1390 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1355 | 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,"); |
1356 | |
1392 | |
1357 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1393 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1358 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1394 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1359 | 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,"); |
1360 | #endif |
1396 | #endif |
… | |
… | |
1398 | coro_setup (aTHX_ next); |
1434 | coro_setup (aTHX_ next); |
1399 | } |
1435 | } |
1400 | else |
1436 | else |
1401 | load_perl (aTHX_ next); |
1437 | load_perl (aTHX_ next); |
1402 | |
1438 | |
1403 | assert (!prev->cctx);//D temporary |
|
|
1404 | |
|
|
1405 | /* possibly untie and reuse the cctx */ |
1439 | /* possibly untie and reuse the cctx */ |
1406 | if (expect_true ( |
1440 | if (expect_true ( |
1407 | cctx_current->idle_sp == STACKLEVEL |
1441 | cctx_current->idle_sp == STACKLEVEL |
1408 | && !(cctx_current->flags & CC_TRACE) |
1442 | && !(cctx_current->flags & CC_TRACE) |
1409 | && !force_cctx |
1443 | && !force_cctx |
… | |
… | |
1464 | --coro_nready; |
1498 | --coro_nready; |
1465 | } |
1499 | } |
1466 | else |
1500 | else |
1467 | 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 */ |
1468 | |
1502 | |
1469 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1503 | if (coro->mainstack |
|
|
1504 | && coro->mainstack != main_mainstack |
|
|
1505 | && coro->slot |
|
|
1506 | && !PL_dirty) |
1470 | { |
1507 | { |
1471 | struct coro temp; |
1508 | struct coro *current = SvSTATE_current; |
1472 | |
1509 | |
1473 | 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)); |
1474 | |
1511 | |
1475 | save_perl (aTHX_ &temp); |
1512 | save_perl (aTHX_ current); |
1476 | load_perl (aTHX_ coro); |
1513 | load_perl (aTHX_ coro); |
1477 | |
1514 | |
1478 | coro_destruct (aTHX_ coro); |
1515 | coro_destruct_perl (aTHX_ coro); |
1479 | |
1516 | |
1480 | load_perl (aTHX_ &temp); |
1517 | load_perl (aTHX_ current); |
1481 | |
1518 | |
1482 | coro->slot = 0; |
1519 | coro->slot = 0; |
1483 | } |
1520 | } |
1484 | |
1521 | |
1485 | cctx_destroy (coro->cctx); |
1522 | cctx_destroy (coro->cctx); |
… | |
… | |
1666 | if (expect_true (next_sv)) |
1703 | if (expect_true (next_sv)) |
1667 | { |
1704 | { |
1668 | struct coro *next = SvSTATE_hv (next_sv); |
1705 | struct coro *next = SvSTATE_hv (next_sv); |
1669 | |
1706 | |
1670 | /* cannot transfer to destroyed coros, skip and look for next */ |
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
1671 | if (expect_false (next->flags & CF_DESTROYED)) |
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1672 | 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 */ |
1673 | else |
1710 | else |
1674 | { |
1711 | { |
1675 | next->flags &= ~CF_READY; |
1712 | next->flags &= ~CF_READY; |
1676 | --coro_nready; |
1713 | --coro_nready; |
… | |
… | |
1855 | 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 */ |
1856 | api_ready (aTHX_ sv_manager); |
1893 | api_ready (aTHX_ sv_manager); |
1857 | |
1894 | |
1858 | frame->prepare = prepare_schedule; |
1895 | frame->prepare = prepare_schedule; |
1859 | 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);*/ |
1860 | } |
1901 | } |
1861 | |
1902 | |
1862 | /*****************************************************************************/ |
1903 | /*****************************************************************************/ |
1863 | /* async pool handler */ |
1904 | /* async pool handler */ |
1864 | |
1905 | |
… | |
… | |
2283 | |
2324 | |
2284 | PL_op->op_ppaddr = pp_slf; |
2325 | PL_op->op_ppaddr = pp_slf; |
2285 | /*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 */ |
2286 | |
2327 | |
2287 | 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)); |
2288 | } |
2376 | } |
2289 | |
2377 | |
2290 | /*****************************************************************************/ |
2378 | /*****************************************************************************/ |
2291 | /* PerlIO::cede */ |
2379 | /* PerlIO::cede */ |
2292 | |
2380 | |
… | |
… | |
2918 | SV * |
3006 | SV * |
2919 | clone (Coro::State coro) |
3007 | clone (Coro::State coro) |
2920 | CODE: |
3008 | CODE: |
2921 | { |
3009 | { |
2922 | #if CORO_CLONE |
3010 | #if CORO_CLONE |
2923 | struct coro *ncoro = coro_clone (coro); |
3011 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2924 | MAGIC *mg; |
3012 | MAGIC *mg; |
2925 | /* TODO: too much duplication */ |
3013 | /* TODO: too much duplication */ |
2926 | ncoro->hv = newHV (); |
3014 | ncoro->hv = newHV (); |
2927 | 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); |
2928 | mg->mg_flags |= MGf_DUP; |
3016 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2990 | eval = 1 |
3078 | eval = 1 |
2991 | CODE: |
3079 | CODE: |
2992 | { |
3080 | { |
2993 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3081 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2994 | { |
3082 | { |
2995 | struct coro temp; |
3083 | struct coro *current = SvSTATE_current; |
2996 | |
3084 | |
2997 | if (!(coro->flags & CF_RUNNING)) |
3085 | if (current != coro) |
2998 | { |
3086 | { |
2999 | PUTBACK; |
3087 | PUTBACK; |
3000 | save_perl (aTHX_ &temp); |
3088 | save_perl (aTHX_ current); |
3001 | load_perl (aTHX_ coro); |
3089 | load_perl (aTHX_ coro); |
|
|
3090 | SPAGAIN; |
3002 | } |
3091 | } |
3003 | |
3092 | |
3004 | { |
|
|
3005 | dSP; |
|
|
3006 | ENTER; |
|
|
3007 | SAVETMPS; |
|
|
3008 | PUTBACK; |
|
|
3009 | PUSHSTACK; |
3093 | PUSHSTACK; |
|
|
3094 | |
3010 | PUSHMARK (SP); |
3095 | PUSHMARK (SP); |
|
|
3096 | PUTBACK; |
3011 | |
3097 | |
3012 | if (ix) |
3098 | if (ix) |
3013 | eval_sv (coderef, 0); |
3099 | eval_sv (coderef, 0); |
3014 | else |
3100 | else |
3015 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3101 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3016 | |
3102 | |
3017 | POPSTACK; |
3103 | POPSTACK; |
3018 | SPAGAIN; |
3104 | SPAGAIN; |
3019 | FREETMPS; |
|
|
3020 | LEAVE; |
|
|
3021 | PUTBACK; |
|
|
3022 | } |
|
|
3023 | |
3105 | |
3024 | if (!(coro->flags & CF_RUNNING)) |
3106 | if (current != coro) |
3025 | { |
3107 | { |
|
|
3108 | PUTBACK; |
3026 | save_perl (aTHX_ coro); |
3109 | save_perl (aTHX_ coro); |
3027 | load_perl (aTHX_ &temp); |
3110 | load_perl (aTHX_ current); |
3028 | SPAGAIN; |
3111 | SPAGAIN; |
3029 | } |
3112 | } |
3030 | } |
3113 | } |
3031 | } |
3114 | } |
3032 | |
3115 | |
… | |
… | |
3036 | ALIAS: |
3119 | ALIAS: |
3037 | is_ready = CF_READY |
3120 | is_ready = CF_READY |
3038 | is_running = CF_RUNNING |
3121 | is_running = CF_RUNNING |
3039 | is_new = CF_NEW |
3122 | is_new = CF_NEW |
3040 | is_destroyed = CF_DESTROYED |
3123 | is_destroyed = CF_DESTROYED |
|
|
3124 | is_suspended = CF_SUSPENDED |
3041 | CODE: |
3125 | CODE: |
3042 | RETVAL = boolSV (coro->flags & ix); |
3126 | RETVAL = boolSV (coro->flags & ix); |
3043 | OUTPUT: |
3127 | OUTPUT: |
3044 | RETVAL |
3128 | RETVAL |
3045 | |
3129 | |
… | |
… | |
3110 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3194 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3111 | |
3195 | |
3112 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3196 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3113 | } |
3197 | } |
3114 | |
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 | |
3115 | |
3205 | |
3116 | MODULE = Coro::State PACKAGE = Coro |
3206 | MODULE = Coro::State PACKAGE = Coro |
3117 | |
3207 | |
3118 | BOOT: |
3208 | BOOT: |
3119 | { |
3209 | { |
3120 | int i; |
3210 | int i; |
3121 | |
3211 | |
3122 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3212 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3123 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3213 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3124 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3214 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3125 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3215 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3126 | 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); |
3127 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3217 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3128 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3218 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3129 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3219 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
… | |
… | |
3191 | |
3281 | |
3192 | void |
3282 | void |
3193 | cede_notself (...) |
3283 | cede_notself (...) |
3194 | CODE: |
3284 | CODE: |
3195 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3285 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3196 | |
|
|
3197 | void |
|
|
3198 | _cancel (Coro::State self) |
|
|
3199 | CODE: |
|
|
3200 | coro_state_destroy (aTHX_ self); |
|
|
3201 | coro_call_on_destroy (aTHX_ self); |
|
|
3202 | |
3286 | |
3203 | void |
3287 | void |
3204 | _set_current (SV *current) |
3288 | _set_current (SV *current) |
3205 | PROTOTYPE: $ |
3289 | PROTOTYPE: $ |
3206 | CODE: |
3290 | CODE: |
… | |
… | |
3314 | rouse_wait (...) |
3398 | rouse_wait (...) |
3315 | PROTOTYPE: ;$ |
3399 | PROTOTYPE: ;$ |
3316 | PPCODE: |
3400 | PPCODE: |
3317 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3401 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3318 | |
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 | |
3319 | |
3428 | |
3320 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3429 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3321 | |
3430 | |
3322 | BOOT: |
3431 | BOOT: |
3323 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3432 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3333 | GvSTASH (CvGV (cv)) |
3442 | GvSTASH (CvGV (cv)) |
3334 | ); |
3443 | ); |
3335 | OUTPUT: |
3444 | OUTPUT: |
3336 | RETVAL |
3445 | RETVAL |
3337 | |
3446 | |
3338 | # helper for Coro::Channel |
3447 | # helper for Coro::Channel and others |
3339 | SV * |
3448 | SV * |
3340 | _alloc (int count) |
3449 | _alloc (int count) |
3341 | CODE: |
3450 | CODE: |
3342 | RETVAL = coro_waitarray_new (aTHX_ count); |
3451 | RETVAL = coro_waitarray_new (aTHX_ count); |
3343 | OUTPUT: |
3452 | OUTPUT: |