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make sure AC PID is valid before acting on process

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This commit is contained in:
Stephen Birarda 2015-09-10 16:54:50 -07:00
parent c4c6e7264e
commit d10095ed20
1 changed files with 16 additions and 10 deletions
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26
assignment-client/src/AssignmentClientMonitor.cpp
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@ -95,8 +95,10 @@ void AssignmentClientMonitor::stopChildProcesses() {
// ask child processes to terminate
foreach(QProcess* childProcess, _childProcesses) {
qDebug() << "Attempting to terminate child process" << childProcess->processId();
childProcess->terminate();
if (childProcess->processId() > 0) {
qDebug() << "Attempting to terminate child process" << childProcess->processId();
childProcess->terminate();
}
}
simultaneousWaitOnChildren(WAIT_FOR_CHILD_MSECS);
@ -104,8 +106,10 @@ void AssignmentClientMonitor::stopChildProcesses() {
if (_childProcesses.size() > 0) {
// ask even more firmly
foreach(QProcess* childProcess, _childProcesses) {
qDebug() << "Attempting to kill child process" << childProcess->processId();
childProcess->kill();
if (childProcess->processId() > 0) {
qDebug() << "Attempting to kill child process" << childProcess->processId();
childProcess->kill();
}
}
simultaneousWaitOnChildren(WAIT_FOR_CHILD_MSECS);
@ -155,12 +159,14 @@ void AssignmentClientMonitor::spawnChildClient() {
assignmentClient->setProcessChannelMode(QProcess::ForwardedChannels);
assignmentClient->start(QCoreApplication::applicationFilePath(), _childArguments);
// make sure we hear that this process has finished when it does
connect(assignmentClient, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(childProcessFinished()));
qDebug() << "Spawned a child client with PID" << assignmentClient->pid();
_childProcesses.insert(assignmentClient->processId(), assignmentClient);
if (assignmentClient->processId() > 0) {
// make sure we hear that this process has finished when it does
connect(assignmentClient, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(childProcessFinished()));
qDebug() << "Spawned a child client with PID" << assignmentClient->processId();
_childProcesses.insert(assignmentClient->processId(), assignmentClient);
}
}
void AssignmentClientMonitor::checkSpares() {