… | |
… | |
285 | /* async_pool */ |
285 | /* async_pool */ |
286 | SV *saved_deffh; |
286 | SV *saved_deffh; |
287 | SV *invoke_cb; |
287 | SV *invoke_cb; |
288 | AV *invoke_av; |
288 | AV *invoke_av; |
289 | |
289 | |
|
|
290 | /* on_enter/on_leave */ |
|
|
291 | AV *on_enter; |
|
|
292 | AV *on_leave; |
|
|
293 | |
290 | /* linked list */ |
294 | /* linked list */ |
291 | struct coro *next, *prev; |
295 | struct coro *next, *prev; |
292 | }; |
296 | }; |
293 | |
297 | |
294 | typedef struct coro *Coro__State; |
298 | typedef struct coro *Coro__State; |
… | |
… | |
352 | INLINE CV * |
356 | INLINE CV * |
353 | coro_sv_2cv (pTHX_ SV *sv) |
357 | coro_sv_2cv (pTHX_ SV *sv) |
354 | { |
358 | { |
355 | HV *st; |
359 | HV *st; |
356 | GV *gvp; |
360 | GV *gvp; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
361 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
362 | |
|
|
363 | if (!cv) |
|
|
364 | croak ("code reference expected"); |
|
|
365 | |
|
|
366 | return cv; |
358 | } |
367 | } |
359 | |
368 | |
360 | /*****************************************************************************/ |
369 | /*****************************************************************************/ |
361 | /* magic glue */ |
370 | /* magic glue */ |
362 | |
371 | |
… | |
… | |
521 | } |
530 | } |
522 | |
531 | |
523 | /** load & save, init *******************************************************/ |
532 | /** load & save, init *******************************************************/ |
524 | |
533 | |
525 | static void |
534 | static void |
|
|
535 | on_enterleave_call (pTHX_ SV *cb); |
|
|
536 | |
|
|
537 | static void |
526 | load_perl (pTHX_ Coro__State c) |
538 | load_perl (pTHX_ Coro__State c) |
527 | { |
539 | { |
528 | perl_slots *slot = c->slot; |
540 | perl_slots *slot = c->slot; |
529 | c->slot = 0; |
541 | c->slot = 0; |
530 | |
542 | |
… | |
… | |
556 | PUTBACK; |
568 | PUTBACK; |
557 | } |
569 | } |
558 | |
570 | |
559 | slf_frame = c->slf_frame; |
571 | slf_frame = c->slf_frame; |
560 | CORO_THROW = c->except; |
572 | CORO_THROW = c->except; |
|
|
573 | |
|
|
574 | if (expect_false (c->on_enter)) |
|
|
575 | { |
|
|
576 | int i; |
|
|
577 | |
|
|
578 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
579 | on_enterleave_call (AvARRAY (c->on_enter)[i]); |
|
|
580 | } |
561 | } |
581 | } |
562 | |
582 | |
563 | static void |
583 | static void |
564 | save_perl (pTHX_ Coro__State c) |
584 | save_perl (pTHX_ Coro__State c) |
565 | { |
585 | { |
|
|
586 | if (expect_false (c->on_leave)) |
|
|
587 | { |
|
|
588 | int i; |
|
|
589 | |
|
|
590 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
591 | on_enterleave_call (AvARRAY (c->on_leave)[i]); |
|
|
592 | } |
|
|
593 | |
566 | c->except = CORO_THROW; |
594 | c->except = CORO_THROW; |
567 | c->slf_frame = slf_frame; |
595 | c->slf_frame = slf_frame; |
568 | |
596 | |
569 | { |
597 | { |
570 | dSP; |
598 | dSP; |
… | |
… | |
1477 | if (coro->mainstack |
1505 | if (coro->mainstack |
1478 | && coro->mainstack != main_mainstack |
1506 | && coro->mainstack != main_mainstack |
1479 | && coro->slot |
1507 | && coro->slot |
1480 | && !PL_dirty) |
1508 | && !PL_dirty) |
1481 | { |
1509 | { |
1482 | struct coro temp; |
1510 | struct coro *current = SvSTATE_current; |
1483 | |
1511 | |
1484 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1512 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1485 | |
1513 | |
1486 | save_perl (aTHX_ &temp); |
1514 | save_perl (aTHX_ current); |
1487 | load_perl (aTHX_ coro); |
1515 | load_perl (aTHX_ coro); |
1488 | |
1516 | |
1489 | coro_destruct_perl (aTHX_ coro); |
1517 | coro_destruct_perl (aTHX_ coro); |
1490 | |
1518 | |
1491 | load_perl (aTHX_ &temp); |
1519 | load_perl (aTHX_ current); |
1492 | |
1520 | |
1493 | coro->slot = 0; |
1521 | coro->slot = 0; |
1494 | } |
1522 | } |
1495 | |
1523 | |
1496 | cctx_destroy (coro->cctx); |
1524 | cctx_destroy (coro->cctx); |
… | |
… | |
2298 | |
2326 | |
2299 | PL_op->op_ppaddr = pp_slf; |
2327 | PL_op->op_ppaddr = pp_slf; |
2300 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2328 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2301 | |
2329 | |
2302 | PL_op = (OP *)&slf_restore; |
2330 | PL_op = (OP *)&slf_restore; |
|
|
2331 | } |
|
|
2332 | |
|
|
2333 | /*****************************************************************************/ |
|
|
2334 | /* dynamic wind */ |
|
|
2335 | |
|
|
2336 | static void |
|
|
2337 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2338 | { |
|
|
2339 | dSP; |
|
|
2340 | |
|
|
2341 | PUSHSTACK; |
|
|
2342 | |
|
|
2343 | PUSHMARK (SP); |
|
|
2344 | PUTBACK; |
|
|
2345 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2346 | SPAGAIN; |
|
|
2347 | |
|
|
2348 | POPSTACK; |
|
|
2349 | } |
|
|
2350 | |
|
|
2351 | static SV * |
|
|
2352 | coro_avp_pop_and_free (AV **avp) |
|
|
2353 | { |
|
|
2354 | AV *av = *avp; |
|
|
2355 | SV *res = av_pop (av); |
|
|
2356 | |
|
|
2357 | if (AvFILLp (av) < 0) |
|
|
2358 | { |
|
|
2359 | *avp = 0; |
|
|
2360 | SvREFCNT_dec (av); |
|
|
2361 | } |
|
|
2362 | |
|
|
2363 | return res; |
|
|
2364 | } |
|
|
2365 | |
|
|
2366 | static void |
|
|
2367 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2368 | { |
|
|
2369 | SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_enter); |
|
|
2370 | SvREFCNT_dec (cb); |
|
|
2371 | } |
|
|
2372 | |
|
|
2373 | static void |
|
|
2374 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2375 | { |
|
|
2376 | SV *cb = coro_avp_pop_and_free (&((struct coro *)coro)->on_leave); |
|
|
2377 | on_enterleave_call (sv_2mortal (cb)); |
2303 | } |
2378 | } |
2304 | |
2379 | |
2305 | /*****************************************************************************/ |
2380 | /*****************************************************************************/ |
2306 | /* PerlIO::cede */ |
2381 | /* PerlIO::cede */ |
2307 | |
2382 | |
… | |
… | |
3005 | eval = 1 |
3080 | eval = 1 |
3006 | CODE: |
3081 | CODE: |
3007 | { |
3082 | { |
3008 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3083 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3009 | { |
3084 | { |
3010 | struct coro temp; |
3085 | struct coro *current = SvSTATE_current; |
3011 | |
3086 | |
3012 | if (!(coro->flags & CF_RUNNING)) |
3087 | if (current != coro) |
3013 | { |
3088 | { |
3014 | PUTBACK; |
3089 | PUTBACK; |
3015 | save_perl (aTHX_ &temp); |
3090 | save_perl (aTHX_ current); |
3016 | load_perl (aTHX_ coro); |
3091 | load_perl (aTHX_ coro); |
|
|
3092 | SPAGAIN; |
3017 | } |
3093 | } |
3018 | |
3094 | |
3019 | { |
|
|
3020 | dSP; |
|
|
3021 | ENTER; |
|
|
3022 | SAVETMPS; |
|
|
3023 | PUTBACK; |
|
|
3024 | PUSHSTACK; |
3095 | PUSHSTACK; |
|
|
3096 | |
3025 | PUSHMARK (SP); |
3097 | PUSHMARK (SP); |
|
|
3098 | PUTBACK; |
3026 | |
3099 | |
3027 | if (ix) |
3100 | if (ix) |
3028 | eval_sv (coderef, 0); |
3101 | eval_sv (coderef, 0); |
3029 | else |
3102 | else |
3030 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3103 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3031 | |
3104 | |
|
|
3105 | SPAGAIN; |
3032 | POPSTACK; |
3106 | POPSTACK; |
3033 | SPAGAIN; |
|
|
3034 | FREETMPS; |
|
|
3035 | LEAVE; |
|
|
3036 | PUTBACK; |
|
|
3037 | } |
|
|
3038 | |
3107 | |
3039 | if (!(coro->flags & CF_RUNNING)) |
3108 | if (current != coro) |
3040 | { |
3109 | { |
|
|
3110 | PUTBACK; |
3041 | save_perl (aTHX_ coro); |
3111 | save_perl (aTHX_ coro); |
3042 | load_perl (aTHX_ &temp); |
3112 | load_perl (aTHX_ current); |
3043 | SPAGAIN; |
3113 | SPAGAIN; |
3044 | } |
3114 | } |
3045 | } |
3115 | } |
3046 | } |
3116 | } |
3047 | |
3117 | |
… | |
… | |
3329 | rouse_wait (...) |
3399 | rouse_wait (...) |
3330 | PROTOTYPE: ;$ |
3400 | PROTOTYPE: ;$ |
3331 | PPCODE: |
3401 | PPCODE: |
3332 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3402 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3333 | |
3403 | |
|
|
3404 | void |
|
|
3405 | on_enter (SV *block) |
|
|
3406 | ALIAS: |
|
|
3407 | on_leave = 1 |
|
|
3408 | PROTOTYPE: & |
|
|
3409 | CODE: |
|
|
3410 | { |
|
|
3411 | struct coro *coro = SvSTATE_current; |
|
|
3412 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3413 | |
|
|
3414 | block = (SV *)coro_sv_2cv (block); |
|
|
3415 | |
|
|
3416 | if (!*avp) |
|
|
3417 | *avp = newAV (); |
|
|
3418 | |
|
|
3419 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3420 | |
|
|
3421 | if (!ix) |
|
|
3422 | on_enterleave_call (aTHX_ block); |
|
|
3423 | |
|
|
3424 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3425 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3426 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
|
|
3427 | } |
|
|
3428 | |
3334 | |
3429 | |
3335 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3430 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3336 | |
3431 | |
3337 | BOOT: |
3432 | BOOT: |
3338 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3433 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |