… | |
… | |
2249 | } |
2249 | } |
2250 | else |
2250 | else |
2251 | { |
2251 | { |
2252 | struct coro *self = SvSTATE_current; |
2252 | struct coro *self = SvSTATE_current; |
2253 | |
2253 | |
|
|
2254 | if (!self) |
|
|
2255 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2256 | |
2254 | /* otherwise we cancel directly, purely for speed reasons |
2257 | /* otherwise we cancel directly, purely for speed reasons |
2255 | * unfortunately, this requires some magic trickery, as |
2258 | * unfortunately, this requires some magic trickery, as |
2256 | * somebody else could cancel us, so we have to fight the cancellation. |
2259 | * somebody else could cancel us, so we have to fight the cancellation. |
2257 | * this is ugly, and hopefully fully worth the extra speed. |
2260 | * this is ugly, and hopefully fully worth the extra speed. |
2258 | * besides, I can't get the slow-but-safe version working... |
2261 | * besides, I can't get the slow-but-safe version working... |
… | |
… | |
2599 | |
2602 | |
2600 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2603 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2601 | static void |
2604 | static void |
2602 | slf_destroy (pTHX_ struct coro *coro) |
2605 | slf_destroy (pTHX_ struct coro *coro) |
2603 | { |
2606 | { |
2604 | /* this callback is reserved for slf functions needing to do cleanup */ |
2607 | struct CoroSLF frame = coro->slf_frame; |
2605 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2606 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2607 | |
2608 | |
2608 | /* |
2609 | /* |
2609 | * The on_destroy above most likely is from an SLF call. |
2610 | * The on_destroy below most likely is from an SLF call. |
2610 | * Since by definition the SLF call will not finish when we destroy |
2611 | * Since by definition the SLF call will not finish when we destroy |
2611 | * the coro, we will have to force-finish it here, otherwise |
2612 | * the coro, we will have to force-finish it here, otherwise |
2612 | * cleanup functions cannot call SLF functions. |
2613 | * cleanup functions cannot call SLF functions. |
2613 | */ |
2614 | */ |
2614 | coro->slf_frame.prepare = 0; |
2615 | coro->slf_frame.prepare = 0; |
|
|
2616 | |
|
|
2617 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2618 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2619 | frame.destroy (aTHX_ &frame); |
2615 | } |
2620 | } |
2616 | |
2621 | |
2617 | /* |
2622 | /* |
2618 | * these not obviously related functions are all rolled into one |
2623 | * these not obviously related functions are all rolled into one |
2619 | * function to increase chances that they all will call transfer with the same |
2624 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2959 | { |
2964 | { |
2960 | AV *av = (AV *)frame->data; |
2965 | AV *av = (AV *)frame->data; |
2961 | SV *count_sv = AvARRAY (av)[0]; |
2966 | SV *count_sv = AvARRAY (av)[0]; |
2962 | SV *coro_hv = SvRV (coro_current); |
2967 | SV *coro_hv = SvRV (coro_current); |
2963 | |
2968 | |
|
|
2969 | frame->destroy = 0; |
|
|
2970 | |
2964 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2971 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2965 | if (CORO_THROW) |
2972 | if (ecb_expect_false (CORO_THROW)) |
|
|
2973 | { |
|
|
2974 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
2975 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2976 | |
2966 | return 0; |
2977 | return 0; |
|
|
2978 | } |
2967 | else if (SvIVX (count_sv) > 0) |
2979 | else if (SvIVX (count_sv) > 0) |
2968 | { |
2980 | { |
2969 | frame->destroy = 0; |
|
|
2970 | |
|
|
2971 | if (acquire) |
2981 | if (acquire) |
2972 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2982 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2973 | else |
2983 | else |
2974 | coro_semaphore_adjust (aTHX_ av, 0); |
2984 | coro_semaphore_adjust (aTHX_ av, 0); |
2975 | |
2985 | |