cvs commit: src/sys/kern uipc_socket.c src/sys/sys protosw.h socket.h

Robert Watson rwatson at
Mon Apr 14 20:15:45 UTC 2008

On Mon, 14 Apr 2008, Randall Stewart wrote:

>  Add pru_flush routine so a transport can
>  flush itself during Shutdown
>  MFC after:      1 week

I'm not sure this is an MFCable change because:

(a) The new function pointer is inserted in the middle of the data protosw
     data structure, changing the interpretation of existing compiled protosw

(b) Even if they were at the end of the structure, existing compiled protocols
     might well have garbage (or un-related data) beyond the end of the data
     structure, leading to a non-NULL pointer that is not a pointer to a flush

Robert N M Watson
Computer Laboratory
University of Cambridge

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