/usr/include/evolution-data-server/camel/camel-lock.h is in libcamel1.2-dev 3.12.9~git20141128.5242b0-2+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Author: Michael Zucchi <notzed@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This library is free software you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
*for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
#error "Only <camel/camel.h> can be included directly."
#endif
#ifndef CAMEL_LOCK_H
#define CAMEL_LOCK_H
#include <glib.h>
/* for .lock locking, retry, delay and stale counts */
#define CAMEL_LOCK_DOT_RETRY (5) /* number of times to retry lock */
#define CAMEL_LOCK_DOT_DELAY (2) /* delay between locking retries */
#define CAMEL_LOCK_DOT_STALE (60) /* seconds before a lock becomes stale */
/* for locking folders, retry/interretry delay */
#define CAMEL_LOCK_RETRY (5) /* number of times to retry lock */
#define CAMEL_LOCK_DELAY (2) /* delay between locking retries */
G_BEGIN_DECLS
typedef enum {
CAMEL_LOCK_READ,
CAMEL_LOCK_WRITE
} CamelLockType;
/* specific locking strategies */
gint camel_lock_dot (const gchar *path, GError **error);
gint camel_lock_fcntl (gint fd, CamelLockType type, GError **error);
gint camel_lock_flock (gint fd, CamelLockType type, GError **error);
void camel_unlock_dot (const gchar *path);
void camel_unlock_fcntl (gint fd);
void camel_unlock_flock (gint fd);
/* lock a folder in a standard way */
gint camel_lock_folder (const gchar *path, gint fd, CamelLockType type, GError **error);
void camel_unlock_folder (const gchar *path, gint fd);
G_END_DECLS
#endif /* CAMEL_LOCK_H */
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