C++ (Cpp) rbffi_ClosurePool_New Beispiele

Beispiel #1

Datei: Function.c Projekt: amarburg/ffi

static VALUE
function_init(VALUE self, VALUE rbFunctionInfo, VALUE rbProc)
{
    Function* fn = NULL;
    
    Data_Get_Struct(self, Function, fn);

    fn->rbFunctionInfo = rbFunctionInfo;

    Data_Get_Struct(fn->rbFunctionInfo, FunctionType, fn->info);

    if (rb_obj_is_kind_of(rbProc, rbffi_PointerClass)) {
        Pointer* orig;
        Data_Get_Struct(rbProc, Pointer, orig);
        fn->base.memory = orig->memory;
        fn->base.rbParent = rbProc;

    } else if (rb_obj_is_kind_of(rbProc, rb_cProc) || rb_respond_to(rbProc, id_call)) {
        if (fn->info->closurePool == NULL) {
            fn->info->closurePool = rbffi_ClosurePool_New(sizeof(ffi_closure), callback_prep, fn->info);
            if (fn->info->closurePool == NULL) {
                rb_raise(rb_eNoMemError, "failed to create closure pool");
            }
        }

#if defined(DEFER_ASYNC_CALLBACK)
        if (async_cb_thread == Qnil) {
#if !defined(HAVE_RB_THREAD_BLOCKING_REGION)
            pipe(async_cb_pipe);
            fcntl(async_cb_pipe[0], F_SETFL, fcntl(async_cb_pipe[0], F_GETFL) | O_NONBLOCK);
            fcntl(async_cb_pipe[1], F_SETFL, fcntl(async_cb_pipe[1], F_GETFL) | O_NONBLOCK);
#endif
            async_cb_thread = rb_thread_create(async_cb_event, NULL);
        }

#endif

        fn->closure = rbffi_Closure_Alloc(fn->info->closurePool);
        fn->closure->info = fn;
        fn->base.memory.address = fn->closure->code;
        fn->base.memory.size = sizeof(*fn->closure);
        fn->autorelease = true;

    } else {
        rb_raise(rb_eTypeError, "wrong argument type %s, expected pointer or proc",
                rb_obj_classname(rbProc));
    }
    
    fn->rbProc = rbProc;

    return self;
}

Beispiel #2

Datei: MethodHandle.c Projekt: boof/farmfacts

void
rbffi_MethodHandle_Init(VALUE module)
{
    defaultClosurePool = rbffi_ClosurePool_New(trampoline_size(), prep_trampoline, NULL);

#if defined(CUSTOM_TRAMPOLINE)
    if (trampoline_offsets(&trampoline_ctx_offset, &trampoline_func_offset) != 0) {
        rb_raise(rb_eFatal, "Could not locate offsets in trampoline code");
    }
#else
    ffi_status ffiStatus = ffi_prep_cif(&mh_cif, FFI_DEFAULT_ABI, 3, &ffi_type_ulong,
            methodHandleParamTypes);
    if (ffiStatus != FFI_OK) {
        rb_raise(rb_eFatal, "ffi_prep_cif failed.  status=%#x", ffiStatus);
    }

#endif
}

Beispiel #3

Datei: Function.c Projekt: Jefers/saffron_app

static VALUE
function_init(VALUE self, VALUE rbFunctionInfo, VALUE rbProc)
{
    Function* fn = NULL;
    
    Data_Get_Struct(self, Function, fn);

    fn->rbFunctionInfo = rbFunctionInfo;

    Data_Get_Struct(fn->rbFunctionInfo, FunctionType, fn->info);

    if (rb_obj_is_kind_of(rbProc, rbffi_PointerClass)) {
        AbstractMemory* memory;
        Data_Get_Struct(rbProc, AbstractMemory, memory);
        fn->memory = *memory;

    } else if (rb_obj_is_kind_of(rbProc, rb_cProc) || rb_respond_to(rbProc, id_call)) {
        if (fn->info->closurePool == NULL) {
            fn->info->closurePool = rbffi_ClosurePool_New(sizeof(ffi_closure), callback_prep, fn->info);
            if (fn->info->closurePool == NULL) {
                rb_raise(rb_eNoMemError, "failed to create closure pool");
            }
        }

        fn->closure = rbffi_Closure_Alloc(fn->info->closurePool);
        fn->closure->info = fn;
        fn->memory.address = fn->closure->code;
        fn->memory.size = sizeof(*fn->closure);
        fn->autorelease = true;

    } else {
        rb_raise(rb_eTypeError, "wrong argument type.  Expected pointer or proc");
    }
    
    fn->rbProc = rbProc;

    return self;
}