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BUF_LOCK (9)
  • >> BUF_LOCK (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    
    
    BUF_LOCK
    
     - locks a buffer
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <sys/systm.h>
       #include <sys/uio.h>
       #include <sys/bio.h>
       #include <sys/buf.h>
    int BUF_LOCK (struct buf *bp int locktype);
     

    DESCRIPTION

    The BUF_LOCK ();
    function locks the given buffer. If the lock is already held this call will block until it can acquire the lock unless LK_NOWAIT is set.

    Its arguments are:

    Fa bp
    The buffer to lock.
    Fa locktype
    Flags controlling the type of lock. See lockmgr(9) for details.

     

    RETURN VALUES

    A value of 0 is returned upon success. See lockmgr(9) for information on non-zero return values.  

    SEE ALSO

    buf(9), BUF_TIMELOCK9, BUF_UNLOCK9, lockmgr(9)  

    AUTHORS

    This manual page was written by An Chad David Aq davidc@acns.ab.ca .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    SEE ALSO
    AUTHORS


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