table of contents
other versions
| 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¶
struct socket * sock
The socket to receive the message from
struct msghdr * msg
Received message
struct kvec * vec
Input s/g array for message data
size_t num
Size of input s/g array
size_t size
Number of bytes to read
int 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¶
| June 2017 | Kernel Hackers Manual 4.11 |