Name

omni_get_fd − The omni_get_fd procedure retrieves a File Descriptor (fd) that can be used as input to the i/o function, select(2), which allows a user to wait on multiple services with one call. 

After a user calls select(2) with an fd obtained from omni_get_fd, that user then calls omni_poll to receive completion notification. 
 

Syntax

extern unsigned long int omni_get_fd (
       int    ∗file_desc);

Arguments

file_descaccess: read only mechanism: by reference Address of the user-process space to receive the DEComni fd.