Bad file descriptor. A file descriptor argument was out of range, referred to no open file, or a read (write) request was made to a file that was only open for writing (reading).
Syntax
Requirements
Namespace: Mono.Unix.Native
Assembly: Mono.Posix (in Mono.Posix.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0