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ulockmgr.h
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/* 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);