29 lines
999 B
C
29 lines
999 B
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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typedef struct LockFile {
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char *path;
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int fd;
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int operation;
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} LockFile;
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int make_lock_file(const char *p, int operation, LockFile *ret);
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int make_lock_file_for(const char *p, int operation, LockFile *ret);
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void release_lock_file(LockFile *f);
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#define LOCK_FILE_INIT { .fd = -EBADF, .path = NULL }
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/* POSIX locks with the same interface as flock(). */
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int posix_lock(int fd, int operation);
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void posix_unlockpp(int **fd);
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#define CLEANUP_POSIX_UNLOCK(fd) \
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_cleanup_(posix_unlockpp) _unused_ int *CONCATENATE(_cleanup_posix_unlock_, UNIQ) = &(fd)
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/* Open File Description locks with the same interface as flock(). */
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int unposix_lock(int fd, int operation);
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void unposix_unlockpp(int **fd);
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#define CLEANUP_UNPOSIX_UNLOCK(fd) \
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_cleanup_(unposix_unlockpp) _unused_ int *CONCATENATE(_cleanup_unposix_unlock_, UNIQ) = &(fd)
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