setsockopt 228K fails with ERR#55 'No buffer space available'

[Steven Hartland]

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 total?

Does anyone know the implications of increasing this to
say 512k and is it per socket or global?

Does anyone have any experience with apps setting SNDBUF
to large values like 256k?

    Steve / K



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