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-rw-r--r--include/linux/socket.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 3273a0c..7b3aae2 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -24,6 +24,9 @@ struct __kernel_sockaddr_storage {
#include <linux/types.h> /* pid_t */
#include <linux/compiler.h> /* __user */
+#define __sockaddr_check_size(size) \
+ BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage)))
+
#ifdef __KERNEL__
# ifdef CONFIG_PROC_FS
struct seq_file;
@@ -65,6 +68,12 @@ struct msghdr {
unsigned msg_flags;
};
+/* For recvmmsg/sendmmsg */
+struct mmsghdr {
+ struct msghdr msg_hdr;
+ unsigned msg_len;
+};
+
/*
* POSIX 1003.1g - ancillary data object information
* Ancillary data consits of a sequence of pairs of
@@ -312,6 +321,10 @@ extern int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uadd
extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr);
extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
+struct timespec;
+
+extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
+ unsigned int flags, struct timespec *timeout);
#endif
#endif /* not kernel and not glibc */
#endif /* _LINUX_SOCKET_H */
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