mirror of
https://invent.kde.org/network/falkon.git
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114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2012 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "processinfo.h"
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#ifdef QZ_WS_X11
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <cstdarg>
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#endif
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ProcessInfo::ProcessInfo(const QString &name)
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: m_name(name)
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{
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}
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bool ProcessInfo::isRunning() const
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{
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#ifdef QZ_WS_X11
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pid_t pid = GetPIDbyName(qPrintable(m_name));
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// -1 = process not found
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// -2 = /proc fs access error
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return (pid != -1 && pid != -2);
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#else
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return false;
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#endif
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}
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#ifdef QZ_WS_X11
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bool ProcessInfo::IsNumeric(const char* ccharptr_CharacterList) const
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{
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for (; *ccharptr_CharacterList; ccharptr_CharacterList++) {
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if (*ccharptr_CharacterList < '0' || *ccharptr_CharacterList > '9') {
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return false;
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}
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}
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return true;
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}
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pid_t ProcessInfo::GetPIDbyName(const char* cchrptr_ProcessName) const
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{
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char chrarry_CommandLinePath[100] ;
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char chrarry_NameOfProcess[300] ;
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char* chrptr_StringToCompare = NULL ;
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pid_t pid_ProcessIdentifier = (pid_t) - 1 ;
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struct dirent* de_DirEntity = NULL ;
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DIR* dir_proc = NULL ;
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dir_proc = opendir("/proc/") ;
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if (dir_proc == NULL) {
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perror("Couldn't open the /proc/ directory") ;
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return (pid_t) - 2 ;
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}
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// Loop while not NULL
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while ((de_DirEntity = readdir(dir_proc))) {
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if (de_DirEntity->d_type == DT_DIR) {
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if (IsNumeric(de_DirEntity->d_name)) {
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strcpy(chrarry_CommandLinePath, "/proc/") ;
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strcat(chrarry_CommandLinePath, de_DirEntity->d_name) ;
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strcat(chrarry_CommandLinePath, "/cmdline") ;
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FILE* fd_CmdLineFile = fopen(chrarry_CommandLinePath, "rt") ; // open the file for reading text
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if (fd_CmdLineFile) {
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fscanf(fd_CmdLineFile, "%20s", chrarry_NameOfProcess) ; // read from /proc/<NR>/cmdline
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fclose(fd_CmdLineFile); // close the file prior to exiting the routine
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if (strrchr(chrarry_NameOfProcess, '/')) {
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chrptr_StringToCompare = strrchr(chrarry_NameOfProcess, '/') + 1 ;
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}
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else {
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chrptr_StringToCompare = chrarry_NameOfProcess ;
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}
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//printf("Process name: %s\n", chrarry_NameOfProcess);
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//printf("Pure Process name: %s\n", chrptr_StringToCompare );
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if (!strcmp(chrptr_StringToCompare, cchrptr_ProcessName)) {
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pid_ProcessIdentifier = (pid_t) atoi(de_DirEntity->d_name) ;
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closedir(dir_proc) ;
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return pid_ProcessIdentifier ;
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}
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}
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}
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}
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}
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closedir(dir_proc) ;
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return pid_ProcessIdentifier ;
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}
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#endif
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