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Sat, 17 Dec 2005

Fighting with receiving zero-copy.


It does not write extended pages to the file now, so size is always equal to number of bytes transferred, but there is one problem. If connection was not established and zero-copy socket is closed through either process exit or close() system call, preallocated pages can not be safely truncated to zero size. It looks like due to several preallocated pages the first one has smaller reference counter and thus page unlocking in vmtruncate() fails.

Finally climbed today!
I'm definitely not in my best form, since I did not climb about a month, so today's training is just a start without major results except pain in the whole body. But its cool.

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