mirror of
https://github.com/trapexit/mergerfs.git
synced 2024-12-04 06:34:05 +08:00
25 lines
679 B
C
25 lines
679 B
C
|
/*
|
||
|
|
libulockmgr: Userspace Lock Manager Library
|
||
|
|
Copyright (C) 2006 Miklos Szeredi <miklos@szeredi.hu>
|
||
|
|
|
||
|
|
This program can be distributed under the terms of the GNU LGPLv2.
|
||
|
|
See the file COPYING.LIB.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Perform POSIX locking operation
|
||
|
|
*
|
||
|
|
* @param fd the file descriptor
|
||
|
|
* @param cmd the locking command (F_GETFL, F_SETLK or F_SETLKW)
|
||
|
|
* @param lock the lock parameters
|
||
|
|
* @param owner the lock owner ID cookie
|
||
|
|
* @param owner_len length of the lock owner ID cookie
|
||
|
|
* @return 0 on success -errno on error
|
||
|
|
*/
|
||
|
|
int ulockmgr_op(int fd, int cmd, struct flock *lock, const void *owner,
|
||
|
|
size_t owner_len);
|