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annotate common/linuxlockfile.h @ 1244:94685a66950a

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(issue143) Updated NSIS uninstall message for multiuser.
author Emanuel Schuetze <emanuel@intevation.de>
date Thu, 25 Sep 2014 08:19:47 +0200
parents a974b61a5cce
children
rev   line source
1160
a974b61a5cce (issue108) Add missing license headers
Andre Heinecke <andre.heinecke@intevation.de>
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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Andre Heinecke <andre.heinecke@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
a974b61a5cce (issue108) Add missing license headers
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8
782
20ca94680003 Implemented detection of running instance on linux using a lock file.
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9 /**
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10 * @file linuxlockfile.h
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11 * @brief Linux specific functions for lock file handling.
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12 * @details Functions to handle procsss specific lock files, these are
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13 * only used on GNU Linux as on windows different mechanisms are
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14 * utilized to ensure only a single instance runs at a time.
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15 */
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16
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17 #ifndef LINUXLOCKFILE_H
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18 #define LINUXLOCKFILE_H
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19
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20 #ifdef __cplusplus
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21 extern "C" {
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22 #endif
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23
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24 /**
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25 * @brief create a lockfile
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26 * @details create and lock a lockfile containing the pid of the
20ca94680003 Implemented detection of running instance on linux using a lock file.
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27 * current process. fcntl is used for locking, to work in most cases
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28 * (e.g. NFS).
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29 * @param[in] path to the lockfile
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30 * @returns the file descriptor of the lockfile or -1 on error
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31 */
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32 int open_lockfile(char *path);
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33
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34 /**
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35 * @brief close a lockfile
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36 * @details unlock and close a lockfile for the given file descriptor.
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78798d3af8f0 Fixed doxygen build warnings.
Emanuel Schuetze <emanuel@intevation.de>
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37 * @param[in] fd TODO
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38 * @returns the file descriptor of the lockfile or -1 on error
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39 */
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40 void close_lockfile(int fd);
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41
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42 #ifdef __cplusplus
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43 }
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44 #endif
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45
20ca94680003 Implemented detection of running instance on linux using a lock file.
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46 #endif
http://wald.intevation.org/projects/trustbridge/