KERNEL_RECVMSG(9)                        Linux Networking                       KERNEL_RECVMSG(9)



NAME
       kernel_recvmsg - Receive a message from a socket (kernel space)

SYNOPSIS
       int kernel_recvmsg(struct socket * sock, struct msghdr * msg, struct kvec * vec,
                          size_t num, size_t size, int flags);

ARGUMENTS
       sock
           The socket to receive the message from

       msg
           Received message

       vec
           Input s/g array for message data

       num
           Size of input s/g array

       size
           Number of bytes to read

       flags
           Message flags (MSG_DONTWAIT, etc...)

DESCRIPTION
       On return the msg structure contains the scatter/gather array passed in the vec argument.
       The array is modified so that it consists of the unfilled portion of the original array.

       The returned value is the total number of bytes received, or an error.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         KERNEL_RECVMSG(9)