Function wyrd_remove_property_callback

• Defined in File properties.h

Function Documentation

wyrd_error_t wyrd_remove_property_callback(struct wyrd_handle *handle, char const *path, wyrd_property_callback callback, void *baton)

Remove one instance of the given callback/baton combination from observing the property at the given path.

To ease development for users, calls to wyrd_add_property_callback for each combination are reference counted. This function removes one such reference, and removes the combination entirely if the reference count drops to zero.

Parameters

• handle – [in] A handle to an opened resource.

• path – [in] The path to the property to observe.

• callback – [in] A wyrd_property_callback provided by the user.

• baton – [in] An opaque pointer that will be handled to callback if it gets invoked.

Return values

• WYRD_ERR_SUCCESS – On success.

• WYRD_ERR_INVALID_VALUE – If any of the parameters are invalid, such as e.g. NULL when they should not be, etc.