diff options
| author | Brandon L Black <blblack@gmail.com> | 2010-03-26 12:18:03 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-27 11:29:01 -0400 |
| commit | 71c5c1595c04852d6fbf3c4882b47b30b61a4d32 (patch) | |
| tree | d95c64c5b752d37e7d1235e52f0c1fceb816c2ec /include | |
| parent | f49c57e141c7f53353e4265a31dc2324e6215037 (diff) | |
net: Add MSG_WAITFORONE flag to recvmmsg
Add new flag MSG_WAITFORONE for the recvmmsg() syscall.
When this flag is specified for a blocking socket, recvmmsg()
will only block until at least 1 packet is available. The
default behavior is to block until all vlen packets are
available. This flag has no effect on non-blocking sockets
or when used in combination with MSG_DONTWAIT.
Signed-off-by: Brandon L Black <blblack@gmail.com>
Acked-by: Ulrich Drepper <drepper@redhat.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/socket.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/socket.h b/include/linux/socket.h index 7b3aae2052a6..354cc5617f8b 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h | |||
| @@ -255,6 +255,7 @@ struct ucred { | |||
| 255 | #define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */ | 255 | #define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */ |
| 256 | #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */ | 256 | #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */ |
| 257 | #define MSG_MORE 0x8000 /* Sender will send more */ | 257 | #define MSG_MORE 0x8000 /* Sender will send more */ |
| 258 | #define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */ | ||
| 258 | 259 | ||
| 259 | #define MSG_EOF MSG_FIN | 260 | #define MSG_EOF MSG_FIN |
| 260 | 261 | ||