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https://gitlab.com/cryptsetup/cryptsetup.git
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661f57def4
This patch switches code to SPDX one-line license identifiers according to https://spdx.dev/learn/handling-license-info/ and replacing long license text headers. I used C++ format on the first line in style // SPDX-License-Identifier: <id> except exported libcryptsetup.h, when only C comments are used. The only additional changes are: - switch backend utf8.c from LGPL2+ to LGPL2.1+ (as in systemd) - add some additional formatting lines.
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Metadata on-disk locking for processes serialization
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*
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* Copyright (C) 2016-2024 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2016-2024 Ondrej Kozina
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*/
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#ifndef _CRYPTSETUP_UTILS_LOCKING_H
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#define _CRYPTSETUP_UTILS_LOCKING_H
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#include <stdbool.h>
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struct crypt_device;
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struct crypt_lock_handle;
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struct device;
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int device_locked_readonly(struct crypt_lock_handle *h);
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int device_locked(struct crypt_lock_handle *h);
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int device_read_lock_internal(struct crypt_device *cd, struct device *device);
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int device_write_lock_internal(struct crypt_device *cd, struct device *device);
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void device_unlock_internal(struct crypt_device *cd, struct device *device);
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int device_locked_verify(struct crypt_device *cd, int fd, struct crypt_lock_handle *h);
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int crypt_write_lock(struct crypt_device *cd, const char *name, bool blocking, struct crypt_lock_handle **lock);
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void crypt_unlock_internal(struct crypt_device *cd, struct crypt_lock_handle *h);
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/* Used only in device internal allocation */
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void device_set_lock_handle(struct device *device, struct crypt_lock_handle *h);
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struct crypt_lock_handle *device_get_lock_handle(struct device *device);
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#endif
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