The Linux Kernel API
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6.4. File Locks

Table of Contents
posix_lock_file -- 
__get_lease --  revoke all outstanding leases on file
lease_get_mtime -- 
posix_block_lock --  blocks waiting for a file lock
posix_unblock_lock --  stop waiting for a file lock
lock_may_read --  checks that the region is free of locks
lock_may_write --  checks that the region is free of locks
fcntl_getlease --  Enquire what lease is currently active
fcntl_setlease --  sets a lease on an open file
sys_flock --  flock system call.
get_locks_status --  reports lock usage in /proc/locks
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get_superUpposix_lock_file