sys_flock

Section: Kernel Hacker's Manual (9)
Updated: sys_flock
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NAME

sys_flock - flock() system call.  

SYNOPSIS

asmlinkage long sys_flock (unsigned int fd, unsigned int cmd);  

ARGUMENTS

fd

 the file descriptor to lock.
cmd

 the type of lock to apply.
 

DESCRIPTION

Apply a FL_FLOCK style lock to an open file descriptor. The cmd can be one of

LOCK_SH -- a shared lock.

LOCK_EX -- an exclusive lock.

LOCK_UN -- remove an existing lock.

LOCK_MAND -- a `mandatory' flock. This exists to emulate Windows Share Modes.

LOCK_MAND can be combined with LOCK_READ or LOCK_WRITE to allow other processes read and write access respectively.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION

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Time: 03:15:46 GMT, June 12, 2005