CFNetDiagnosticCopyNetworkStatusPassively(_:_:)

Gets a network status value.

Declaration

func CFNetDiagnosticCopyNetworkStatusPassively(_ details: CFNetDiagnostic, _ description: UnsafeMutablePointer<Unmanaged<CFString>?>?) -> CFNetDiagnosticStatus

Parameters

details:
CFNetDiagnosticRef, created by Cfnetdiagnosticcreatewithstreams(_:_:_:) or Cfnetdiagnosticcreatewithurl(_:_:), for which the Network Diagnostics status is to be obtained.
description:
If not NULL, upon return contains a localized string containing a description of the current network status. Ownership follows the 20001148 103029.

Return Value

A network status value.

Discussion

This function returns a status value that can be used to display basic information about the connection, and optionally gets a localized string containing a description of the current network status.

This function is guaranteed not to generate network activity.

Special Considerations

This function is thread safe as long as another thread does not alter the same CFNetDiagnosticRef at the same time.