> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Jeff Darcy > Sent: Friday, November 10, 2006 5:58 AM > To: theory and practice of decentralized computer networks > Subject: Re: [p2p-hackers] Cross-platform development > > > > I'll write some file i/o support for Twisted to be > non-blocking but I > > still wonder about the following: does writing to a file ever block? > Yes. The data have to be written somewhere. Depending on > the OS this > may be either the buffer or the page cache, but either way > it's possible > that a write could block waiting for a resource to become > available. A > fair number of system hangs come down to this, actually, > because it's a > rare enough case that it's often not very well thought through or > tested. For this very reason, it's probably OK to pretend it doesn't > happen. When it does, it usually means the whole system's in > pretty bad > shape, and an unexpected pause in one application is probably > the least > of your worries.
That's exactly the assumption Windows Explorer appears to make and that is exactly why it hangs left and right when working with shares that are mapped over laggy or lossy connections. The system is in A-OK shape otherwise. Alex _______________________________________________ p2p-hackers mailing list [email protected] http://lists.zooko.com/mailman/listinfo/p2p-hackers
