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-rw-r--r--include/sys/socket.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 8642312aa..63dc4b953 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -97,6 +97,15 @@ typedef union { __SOCKADDR_ALLTYPES
# undef __SOCKADDR_ONETYPE
#endif
+#ifdef __USE_GNU
+/* For `recvmmsg' and `sendmmsg'. */
+struct mmsghdr
+ {
+ struct msghdr msg_hdr; /* Actual message header. */
+ unsigned int msg_len; /* Number of received or sent bytes for the
+ entry. */
+ };
+#endif
/* Create a new socket of type TYPE in domain DOMAIN, using
protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
@@ -190,6 +199,17 @@ extern ssize_t sendmsg (int __fd, const struct msghdr *__message,
int __flags);
libc_hidden_proto(sendmsg)
+#ifdef __USE_GNU
+/* Send a VLEN messages as described by VMESSAGES to socket FD.
+ Returns the number of datagrams successfully written or -1 for errors.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern ssize_t sendmmsg (int __fd, struct mmsghdr *__vmessages,
+ size_t __vlen, int __flags);
+libc_hidden_proto(sendmmsg)
+#endif
+
/* Receive a message as described by MESSAGE from socket FD.
Returns the number of bytes read or -1 for errors.
@@ -198,6 +218,16 @@ libc_hidden_proto(sendmsg)
extern ssize_t recvmsg (int __fd, struct msghdr *__message, int __flags);
libc_hidden_proto(recvmsg)
+#ifdef __USE_GNU
+/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
+ Returns the number of messages received or -1 for errors.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern ssize_t recvmmsg (int __fd, struct mmsghdr *__vmessages,
+ size_t vlen, int __flags, struct timespec *__tmo);
+libc_hidden_proto(recvmmsg)
+#endif
/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's