K 10 svn:author V 3 alc K 8 svn:date V 27 2004-12-22T20:28:46.000000Z K 7 svn:log V 260 Add send buffer locking to uipc_send(). Without this locking a race can occur between a reader and a writer that results in a panic upon close, e.g., "panic: sbflush_locked: cc 4 || mb 0xffffff0052afa400 || mbcnt 0" Reviewed by: rwatson@ MFC after: 2 weeks END