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14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
18 | #define ECB_NO_THREADS 1 |
18 | #define ECB_NO_THREADS 1 |
|
|
19 | #define ECB_NO_LIBM 1 |
19 | #include "ecb.h" |
20 | #include "ecb.h" |
20 | |
21 | |
21 | #include <stddef.h> |
22 | #include <stddef.h> |
22 | #include <stdio.h> |
23 | #include <stdio.h> |
23 | #include <errno.h> |
24 | #include <errno.h> |
… | |
… | |
1916 | /* nothing to schedule: call the idle handler */ |
1917 | /* nothing to schedule: call the idle handler */ |
1917 | if (SvROK (sv_idle) |
1918 | if (SvROK (sv_idle) |
1918 | && SvOBJECT (SvRV (sv_idle))) |
1919 | && SvOBJECT (SvRV (sv_idle))) |
1919 | { |
1920 | { |
1920 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1921 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1922 | { |
|
|
1923 | require_pv ("Carp"); |
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|
1924 | |
|
|
1925 | { |
|
|
1926 | dSP; |
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|
1927 | |
|
|
1928 | ENTER; |
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|
1929 | SAVETMPS; |
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|
1930 | |
|
|
1931 | PUSHMARK (SP); |
1921 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1932 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1933 | PUTBACK; |
|
|
1934 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
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|
1935 | |
|
|
1936 | FREETMPS; |
|
|
1937 | LEAVE; |
|
|
1938 | } |
|
|
1939 | } |
1922 | |
1940 | |
1923 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1941 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1924 | api_ready (aTHX_ SvRV (sv_idle)); |
1942 | api_ready (aTHX_ SvRV (sv_idle)); |
1925 | --coro_nready; |
1943 | --coro_nready; |
1926 | } |
1944 | } |
… | |
… | |
2230 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2248 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2231 | } |
2249 | } |
2232 | else |
2250 | else |
2233 | { |
2251 | { |
2234 | struct coro *self = SvSTATE_current; |
2252 | struct coro *self = SvSTATE_current; |
|
|
2253 | |
|
|
2254 | if (!self) |
|
|
2255 | croak ("Coro::cancel called outside of thread content,"); |
2235 | |
2256 | |
2236 | /* otherwise we cancel directly, purely for speed reasons |
2257 | /* otherwise we cancel directly, purely for speed reasons |
2237 | * unfortunately, this requires some magic trickery, as |
2258 | * unfortunately, this requires some magic trickery, as |
2238 | * 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. |
2239 | * this is ugly, and hopefully fully worth the extra speed. |
2260 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2581 | |
2602 | |
2582 | /* "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 */ |
2583 | static void |
2604 | static void |
2584 | slf_destroy (pTHX_ struct coro *coro) |
2605 | slf_destroy (pTHX_ struct coro *coro) |
2585 | { |
2606 | { |
2586 | /* this callback is reserved for slf functions needing to do cleanup */ |
2607 | struct CoroSLF frame = coro->slf_frame; |
2587 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2588 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2589 | |
2608 | |
2590 | /* |
2609 | /* |
2591 | * The on_destroy above most likely is from an SLF call. |
2610 | * The on_destroy below most likely is from an SLF call. |
2592 | * 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 |
2593 | * the coro, we will have to force-finish it here, otherwise |
2612 | * the coro, we will have to force-finish it here, otherwise |
2594 | * cleanup functions cannot call SLF functions. |
2613 | * cleanup functions cannot call SLF functions. |
2595 | */ |
2614 | */ |
2596 | 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); |
2597 | } |
2620 | } |
2598 | |
2621 | |
2599 | /* |
2622 | /* |
2600 | * these not obviously related functions are all rolled into one |
2623 | * these not obviously related functions are all rolled into one |
2601 | * 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 |
… | |
… | |
2941 | { |
2964 | { |
2942 | AV *av = (AV *)frame->data; |
2965 | AV *av = (AV *)frame->data; |
2943 | SV *count_sv = AvARRAY (av)[0]; |
2966 | SV *count_sv = AvARRAY (av)[0]; |
2944 | SV *coro_hv = SvRV (coro_current); |
2967 | SV *coro_hv = SvRV (coro_current); |
2945 | |
2968 | |
|
|
2969 | frame->destroy = 0; |
|
|
2970 | |
2946 | /* 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 */ |
2947 | 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 | |
2948 | return 0; |
2977 | return 0; |
|
|
2978 | } |
2949 | else if (SvIVX (count_sv) > 0) |
2979 | else if (SvIVX (count_sv) > 0) |
2950 | { |
2980 | { |
2951 | frame->destroy = 0; |
|
|
2952 | |
|
|
2953 | if (acquire) |
2981 | if (acquire) |
2954 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2982 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2955 | else |
2983 | else |
2956 | coro_semaphore_adjust (aTHX_ av, 0); |
2984 | coro_semaphore_adjust (aTHX_ av, 0); |
2957 | |
2985 | |
… | |
… | |
3417 | |
3445 | |
3418 | PROTOTYPES: DISABLE |
3446 | PROTOTYPES: DISABLE |
3419 | |
3447 | |
3420 | BOOT: |
3448 | BOOT: |
3421 | { |
3449 | { |
|
|
3450 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl"); |
|
|
3451 | #include "state.h" |
3422 | #ifdef USE_ITHREADS |
3452 | #ifdef USE_ITHREADS |
3423 | # if CORO_PTHREAD |
3453 | # if CORO_PTHREAD |
3424 | coro_thx = PERL_GET_CONTEXT; |
3454 | coro_thx = PERL_GET_CONTEXT; |
3425 | # endif |
3455 | # endif |
3426 | #endif |
3456 | #endif |