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.