procutil.h

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00001 /*
00002 **  This file is part of Vidalia, and is subject to the license terms in the
00003 **  LICENSE file, found in the top level directory of this distribution. If you
00004 **  did not receive the LICENSE file with this file, you may obtain it from the
00005 **  Vidalia source package distributed by the Vidalia Project at
00006 **  http://www.vidalia-project.net/. No part of Vidalia, including this file,
00007 **  may be copied, modified, propagated, or distributed except according to the
00008 **  terms described in the LICENSE file.
00009 */
00010 
00011 /*
00012 ** \file procutil.h
00013 ** \version $Id: procutil.h 3276 2008-11-03 00:08:59Z edmanm $
00014 ** \brief Process information and pidfile functions
00015 */
00016 
00017 #ifndef _PROCUTIL_H
00018 #define _PROCUTIL_H
00019 
00020 #include <QString>
00021 
00022 #if defined(Q_OS_WIN)
00023 #include "win32.h"
00024 #else
00025 #include <sys/types.h>
00026 #include <unistd.h>
00027 #include <signal.h>
00028 #include <errno.h>
00029 #endif
00030 
00031 
00032 /** Returns the PID of the current process. */
00033 qint64 get_pid();
00034 
00035 /** Returns true if a process with the given PID is running. */
00036 bool is_process_running(qint64 pid);
00037 
00038 /** Writes the given file to disk containing the current process's PID. */
00039 bool write_pidfile(QString pidfile, QString *errmsg = 0);
00040 
00041 /** Reads the giiven pidfile and returns the value in it. If the file does not
00042  * exist, -1 is returned. */
00043 qint64 read_pidfile(QString pidfile, QString *errmsg = 0);
00044 
00045 /** Return a list of all currently running PIDs and their associated process
00046  * names. */
00047 QHash<qint64, QString> process_list();
00048 
00049 /** Attempt to kill process <b>pid</b>. Return true if the specified process
00050  * was successfully terminated. Otherwise, return false. */
00051 bool process_kill(qint64 pid);
00052 
00053 #endif
00054 

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