Type Definitions

The following type definitions are available globally.

  • Pointer to a custom op registration function that uses the ONNX Runtime C API.

    The signature is defined in the ONNX Runtime C API: https://github.com/microsoft/onnxruntime/blob/67f4cd54fab321d83e4a75a40efeee95a6a17079/include/onnxruntime/core/session/onnxruntime_c_api.h#L697

    This is a low-level type intended for interoperating with libraries which provide such a function for custom op registration, such as ONNX Runtime Extensions.

    Declaration

    Objective-C

    typedef struct OrtStatus *(*ORTCAPIRegisterCustomOpsFnPtr)(
    struct OrtSessionOptions *, const struct OrtApiBase *)

    Swift

    typealias ORTCAPIRegisterCustomOpsFnPtr = (OpaquePointer?, OpaquePointer?) -> OpaquePointer?

  • A block that supplies application-managed external EPContext data.

    Available since 1.31.

    The block may be called concurrently from arbitrary ONNX Runtime threads and must be thread-safe.

    Declaration

    Objective-C

    typedef NSData *_Nullable (^ORTEpContextDataReadBlock)(
    NSString *_Nonnull, NSError *_Nullable *_Nullable)

    Swift

    typealias ORTEpContextDataReadBlock = (String, NSErrorPointer) -> Data?

    Parameters

    name

    The logical name of the requested EPContext data.
    error

    Error information to set when returning nil.

    Return Value

    The requested data. Zero-length data is a successful empty payload. Return nil only on failure and set error.