centos man page for posix_lock_file

Query: posix_lock_file

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

POSIX_LOCK_FILE(9)						   The Linux VFS						POSIX_LOCK_FILE(9)

NAME
posix_lock_file - Apply a POSIX-style lock to a file
SYNOPSIS
int posix_lock_file(struct file * filp, struct file_lock * fl, struct file_lock * conflock);
ARGUMENTS
filp The file to apply the lock to fl The lock to be applied conflock Place to return a copy of the conflicting lock, if found.
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 Note that if called with an FL_EXISTS argument, the caller may determine whether or not a lock was successfully freed by testing the return value for -ENOENT.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 POSIX_LOCK_FILE(9)
Related Man Pages
vfs_lock_file(9) - centos
vop_advlock(9) - debian
pthread_rwlock_unlock(3t) - hpux
vop_advlock(9) - centos
vop_advlock(9) - osx
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