Simple-x264-Launcher/src/job_object.cpp

131 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Simple x264 Launcher
// Copyright (C) 2004-2018 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version, but always including the *additional*
// restrictions defined in the "License.txt" file.
//
// This program 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 General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
#include "job_object.h"
#include "global.h"
#include <QProcess>
//Windows includes
#define NOMINMAX
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <MMSystem.h>
#include <ShellAPI.h>
#include <WinInet.h>
JobObject::JobObject(void)
:
m_hJobObject(NULL)
{
HANDLE jobObject = CreateJobObject(NULL, NULL);
if((jobObject != NULL) && (jobObject != INVALID_HANDLE_VALUE))
{
JOBOBJECT_EXTENDED_LIMIT_INFORMATION jobExtendedLimitInfo;
memset(&jobExtendedLimitInfo, 0, sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
memset(&jobExtendedLimitInfo.BasicLimitInformation, 0, sizeof(JOBOBJECT_BASIC_LIMIT_INFORMATION));
jobExtendedLimitInfo.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE | JOB_OBJECT_LIMIT_DIE_ON_UNHANDLED_EXCEPTION;
if(SetInformationJobObject(jobObject, JobObjectExtendedLimitInformation, &jobExtendedLimitInfo, sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION)))
{
m_hJobObject = jobObject;
}
else
{
qWarning("Failed to set job object information!");
CloseHandle(jobObject);
}
}
else
{
qWarning("Failed to create the job object!");
}
}
JobObject::~JobObject(void)
{
if(m_hJobObject)
{
CloseHandle(m_hJobObject);
m_hJobObject = NULL;
}
}
bool JobObject::addProcessToJob(const QProcess *proc)
{
if(!m_hJobObject)
{
qWarning("Cannot assign process to job: No job bject available!");
return false;
}
if(Q_PID pid = proc->pid())
{
DWORD exitCode;
if(!GetExitCodeProcess(pid->hProcess, &exitCode))
{
qWarning("Cannot assign process to job: Failed to query process status!");
return false;
}
if(exitCode != STILL_ACTIVE)
{
qWarning("Cannot assign process to job: Process is not running anymore!");
return false;
}
if(!AssignProcessToJobObject(m_hJobObject, pid->hProcess))
{
qWarning("Failed to assign process to job object!");
return false;
}
return true;
}
else
{
qWarning("Cannot assign process to job: Process handle not available!");
return false;
}
}
bool JobObject::terminateJob(unsigned int exitCode)
{
if(m_hJobObject)
{
if(TerminateJobObject(m_hJobObject, exitCode))
{
return true;
}
else
{
qWarning("Failed to terminate job object!");
return false;
}
}
else
{
qWarning("Cannot assign process to job: No job bject available!");
return false;
}
}