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annotate ui/processhelp.h @ 1374:1bf288d17857

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author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 24 Nov 2014 16:46:21 +0100
parents 23df332b2a4c
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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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 * Parts of this code (especially windows) are based on kpimutils processes.cpp
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9 * available under LGPL 2.1 or later.
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10 */
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11 #ifndef PROCESSHELP_H
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12 #define PROCESSHELP_H
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13
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14 #include <QList>
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15 #include <QString>
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16 #include <QDateTime>
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17
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18 /**
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19 * @file processhelp.h
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20 * @brief Static helper functions for process handling
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21 */
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22 /** @brief Static helper functions for process handling */
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23 class ProcessHelp {
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24
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25 public:
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26 /**
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27 * @brief look up process id's for a processName
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28 *
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29 * Looks up processes run by the current user.
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30 *
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31 * @param[in] processName the name of the process to look for
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32 * @returns a list of pids that match this process. May be empty
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33 */
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34 static const QList<int> getProcessesIdForName(const QString &processName);
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35
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36 /**
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37 * @brief check if another process with the same name exists
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38 *
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39 * Under GNU/Linux this only works for processes that have a
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40 * processName.pid file in QStandardPaths::DataLocation.
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41 *
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42 * @param[in] processName name of the process to look for.
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43 *
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44 * @returns true if one or more processes (other than the current process) exist
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45 */
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46 static bool otherProcessesExist(const QString &processName);
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47
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48 /**
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49 * @brief Activates the window for first found process
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50 * @param [in] executableName executableName (without path and .exe extension)
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51 */
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52 static void activateWindowForProcess(const QString &executableName);
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53
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54 /**
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55 * @brief Clean up internaly used infrastructure like pid/lock files.
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56 */
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57 static void cleanUp(void);
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58
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59 #ifndef WIN32
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60 /**
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61 * @brief Read the signature timestamp from settings.
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62 *
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63 * @returns The signature timestamp as qdatetime or an invalid dt on error.
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64 */
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65 static QDateTime getSigDtFromInstSettings();
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66 #endif
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67 };
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68
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69 #endif // PROCESSHELP_H
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