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author | Martin Lucina <mato@kotelna.sk> | 2010-12-10 00:04:05 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-12-10 19:13:18 (GMT) |
commit | c1249c0aae4c93a753c70496ab2e9a51430a6f02 (patch) | |
tree | 4e2905d99365e3d7cc1a09cd8681b1e7dd31b867 /net | |
parent | e4fbce740f078bbc925ba5c86648d9c883968479 (diff) | |
download | linux-c1249c0aae4c93a753c70496ab2e9a51430a6f02.tar.xz |
net: Document the kernel_recvmsg() function
Signed-off-by: Martin Lucina <mato@kotelna.sk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/socket.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c index 3ca2fd9..088fb3f 100644 --- a/net/socket.c +++ b/net/socket.c @@ -732,6 +732,21 @@ static int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg, return ret; } +/** + * kernel_recvmsg - Receive a message from a socket (kernel space) + * @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...) + * + * 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. + */ int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec, size_t num, size_t size, int flags) { |