handle.h File Reference

#include "macros.h"
#include "include/dart_api_dl.h"
#include <stdint.h>

Go to the source code of this file.

Classes
struct	zircon_dart_handle_t
struct	zircon_dart_handle_pair_t
struct	zircon_dart_handle_list_t

Typedefs
typedef struct zircon_dart_handle_t	zircon_dart_handle_t
typedef struct zircon_dart_handle_pair_t	zircon_dart_handle_pair_t
typedef struct zircon_dart_handle_list_t	zircon_dart_handle_list_t

Functions
ZIRCON_FFI_EXPORT zircon_dart_handle_list_t *	zircon_dart_handle_list_create ()
ZIRCON_FFI_EXPORT void	zircon_dart_handle_list_append (zircon_dart_handle_list_t *list, zircon_dart_handle_t *handle)
ZIRCON_FFI_EXPORT void	zircon_dart_handle_list_free (zircon_dart_handle_list_t *list)
ZIRCON_FFI_EXPORT int32_t	zircon_dart_handle_is_valid (zircon_dart_handle_t *handle)
ZIRCON_FFI_EXPORT int32_t	zircon_dart_handle_close (zircon_dart_handle_t *handle)
ZIRCON_FFI_EXPORT void	zircon_dart_handle_free (zircon_dart_handle_t *handle)
ZIRCON_FFI_EXPORT int	zircon_dart_handle_pair_attach_finalizer (Dart_Handle object, void *pointer, intptr_t external_allocation_size)
ZIRCON_FFI_EXPORT int	zircon_dart_handle_attach_finalizer (Dart_Handle object, void *pointer, intptr_t external_allocation_size)

Typedef Documentation

zircon_dart_handle_list_t

typedef struct zircon_dart_handle_list_t zircon_dart_handle_list_t

zircon_dart_handle_pair_t

typedef struct zircon_dart_handle_pair_t zircon_dart_handle_pair_t

zircon_dart_handle_t

typedef struct zircon_dart_handle_t zircon_dart_handle_t

Function Documentation

zircon_dart_handle_attach_finalizer()

ZIRCON_FFI_EXPORT int zircon_dart_handle_attach_finalizer	(	Dart_Handle	object,
		void *	pointer,
		intptr_t	external_allocation_size
	)

Definition at line 54 of file handle.cc.

                                                                           {
  Dart_FinalizableHandle weak_handle = Dart_NewFinalizableHandle_DL(
      object, pointer, external_allocation_size, HandleFree);
 
  if (weak_handle == nullptr) {
    FML_LOG(ERROR) << "Unable to attach finalizer: " << std::hex << pointer;
    return -1;
  }
 
  return 1;
}

References FML_LOG, and HandleFree().

zircon_dart_handle_close()

ZIRCON_FFI_EXPORT int32_t zircon_dart_handle_close

(

zircon_dart_handle_t *

handle

)

Definition at line 35 of file handle.cc.

                                                               {
  FML_CHECK(handle->handle != ZX_HANDLE_INVALID);
  zx_status_t status = zx_handle_close(handle->handle);
  handle->handle = ZX_HANDLE_INVALID;
  if (status == ZX_OK) {
    return 1;
  } else {
    return 0;
  }
}

References FML_CHECK, and zircon_dart_handle_t::handle.

Referenced by zircon_dart_handle_free().

zircon_dart_handle_free()

ZIRCON_FFI_EXPORT void zircon_dart_handle_free

(

zircon_dart_handle_t *

handle

)

Definition at line 27 of file handle.cc.

                                                           {
  FML_CHECK(handle);
  if (handle->handle != ZX_HANDLE_INVALID) {
    zircon_dart_handle_close(handle);
  }
  free(handle);
}

References FML_CHECK, zircon_dart_handle_t::handle, and zircon_dart_handle_close().

Referenced by HandleFree().

zircon_dart_handle_is_valid()

ZIRCON_FFI_EXPORT int32_t zircon_dart_handle_is_valid

(

zircon_dart_handle_t *

handle

)

Definition at line 46 of file handle.cc.

                                                                  {
  if (!handle || (handle->handle == ZX_HANDLE_INVALID)) {
    return 0;
  } else {
    return 1;
  }
}

References zircon_dart_handle_t::handle.

zircon_dart_handle_list_append()

ZIRCON_FFI_EXPORT void zircon_dart_handle_list_append	(	zircon_dart_handle_list_t *	list,
		zircon_dart_handle_t *	handle
	)

Definition at line 95 of file handle.cc.

                                                                  {
  FML_CHECK(list);
  FML_CHECK(handle);
  list->size++;
  auto data = reinterpret_cast<HandleVectorPtr>(list->data);
  data->push_back(handle);
}

References data, zircon_dart_handle_list_t::data, FML_CHECK, and zircon_dart_handle_list_t::size.

zircon_dart_handle_list_create()

ZIRCON_FFI_EXPORT zircon_dart_handle_list_t * zircon_dart_handle_list_create

(

)

Definition at line 87 of file handle.cc.

                                                            {
  zircon_dart_handle_list_t* result = static_cast<zircon_dart_handle_list_t*>(
      malloc(sizeof(zircon_dart_handle_list_t)));
  result->size = 0;
  result->data = new HandleVector();
  return result;
}

References zircon_dart_handle_list_t::data, and zircon_dart_handle_list_t::size.

zircon_dart_handle_list_free()

ZIRCON_FFI_EXPORT void zircon_dart_handle_list_free

(

zircon_dart_handle_list_t *

list

)

Definition at line 104 of file handle.cc.

                                                                   {
  auto data = reinterpret_cast<HandleVectorPtr>(list->data);
  data->clear();
  delete data;
  free(list);
}

References data, and zircon_dart_handle_list_t::data.

zircon_dart_handle_pair_attach_finalizer()

ZIRCON_FFI_EXPORT int zircon_dart_handle_pair_attach_finalizer	(	Dart_Handle	object,
		void *	pointer,
		intptr_t	external_allocation_size
	)

Definition at line 68 of file handle.cc.

                                       {
  Dart_FinalizableHandle weak_handle = Dart_NewFinalizableHandle_DL(
      object, pointer, external_allocation_size, HandlePairFree);
 
  if (weak_handle == nullptr) {
    FML_LOG(ERROR) << "Unable to attach finalizer: " << std::hex << pointer;
    return -1;
  }
 
  return 1;
}

References FML_LOG, and HandlePairFree().