Function socket_description 

fn socket_description(tid: u32, fd: i32) -> Option<(i32, i32)>

Type and descriptor flags of a tracee’s unix socket.

The inode from /proc/<pid>/fd/N is looked up in /proc/net/unix for the socket type; /proc/<pid>/fdinfo/N gives the flags.

Arguments

• tid - Tracee thread id.
• fd - Descriptor number in the tracee.

Returns

(SOCK_* type, O_* flags), or None when it is not a unix socket.