cvs commit: src/sys/kern uipc_usrreq.c

[Alan Cox]

alc         2005-01-07 00:23:50 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/kern             uipc_usrreq.c 
  Log:
  MFC revision 1.144
    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"
  
  Revision   Changes    Path
  1.138.2.5  +3 -0      src/sys/kern/uipc_usrreq.c