Ubuntu manuals

Provided by: linux-doc-2.6.15_2.6.15-23.39_all

NAME

       posix_lock_file - Apply a POSIX-style lock to a file

SYNOPSIS

       int posix_lock_file  (struct file * filp, struct file_lock * fl);

ARGUMENTS

       filp   The file to apply the lock to

       fl     The lock to be applied

DESCRIPTION

       Add a POSIX style lock to a file. We merge adjacent & overlapping locks
       whenever possible. POSIX locks  are  sorted  by  owner  task,  then  by
       starting address