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