setsockopt 228K fails with ERR#55 'No buffer space available'
killing at multiplay.co.uk
Sun Sep 11 06:08:13 PDT 2005
Thanks dan but I already tried that and it doesn't work but maxsockbuf
does. Really looking for the affects that altering that might have and
if its a good idea. 256k send and receive buffers on a socket seem
very large to me.
----- Original Message -----
From: "Dan Nelson" <dnelson at allantgroup.com>
> In the last episode (Sep 11), Steven Hartland said:
>> The following fails with ERR#55 'No buffer space available'
>> int buf_size = (228*1024);
>> int ret = setsockopt( s, SOL_SOCKET, SO_SNDBUF, (void*) &buf_size, sizeof(
>> buf_size ) );
>> This appears like its controlled by kern.ipc.maxsockbuf which is
>> default of 256k so the above should work if its per socket and not
> I think you want net.inet.tcp.sendspace; kern.ipc.maxsockbuf seems to
> be unused based on a quick grep of the source.
> Also check the sockbufsize rlimit, although I think that defaults to
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