diff options
Diffstat (limited to 'lib/libc/sys/recv.2')
| -rw-r--r-- | lib/libc/sys/recv.2 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/libc/sys/recv.2 b/lib/libc/sys/recv.2 index 1131824..51d8d61 100644 --- a/lib/libc/sys/recv.2 +++ b/lib/libc/sys/recv.2 @@ -207,7 +207,9 @@ struct cmsghdr { .Ed As an example, one could use this to learn of changes in the data-stream in XNS/SPP, or in ISO, to obtain user-connection-request data by requesting -a recvmsg with no data buffer provided immediately after an +a +.Fn recvmsg +with no data buffer provided immediately after an .Fn accept system call. .Pp @@ -287,6 +289,13 @@ and The argument .Fa s does not refer to a socket. +.It Bq Er EMSGSIZE +.Fn recvmsg +was used to receive rights (file descriptors) that were in flight on the +connection. However, the receiving program did not have enough free file +descriptor slots to accept the them. In this case the descriptors are +closed, any pending data can be returned by another call to +.Fn recvmsg . .It Bq Er EAGAIN The socket is marked non-blocking, and the receive operation would block, or |
