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/* |
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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); |