/// <summary>
/// Kills all child processes of the specified process.
/// </summary>
/// <param name="ProcessId">Process id</param>
public static void KillAllDescendants(Process ProcessToKill)
{
bool bKilledAChild;
do
{
bKilledAChild = false;
// For some reason Process.GetProcesses() sometimes returns the same process twice
// So keep track of all processes we already tried to kill
var KilledPids = new HashSet <int>();
var AllProcs = Process.GetProcesses();
foreach (Process KillCandidate in AllProcs)
{
var VisitedPids = new HashSet <int>();
if (ProcessManager.CanBeKilled(KillCandidate.ProcessName) &&
!KilledPids.Contains(KillCandidate.Id) &&
IsOurDescendant(ProcessToKill, KillCandidate.Id, VisitedPids))
{
KilledPids.Add(KillCandidate.Id);
CommandUtils.Log("Trying to kill descendant pid={0}, name={1}", KillCandidate.Id, KillCandidate.ProcessName);
try
{
KillCandidate.Kill();
bKilledAChild = true;
}
catch (Exception Ex)
{
CommandUtils.Log(TraceEventType.Warning, "Failed to kill descendant:");
CommandUtils.Log(TraceEventType.Warning, Ex);
}
break; // exit the loop as who knows what else died, so let's get processes anew
}
}
} while (bKilledAChild);
}
/// <summary>
/// returns true if this process has any descendants
/// </summary>
/// <param name="ProcessToCheck">Process to check</param>
public static bool HasAnyDescendants(Process ProcessToCheck)
{
Process[] AllProcs = Process.GetProcesses();
foreach (Process KillCandidate in AllProcs)
{
// Silently skip InvalidOperationExceptions here, because it depends on the process still running. It may have terminated.
string ProcessName;
try
{
ProcessName = KillCandidate.ProcessName;
}
catch (InvalidOperationException)
{
continue;
}
// Check if it's still running
HashSet <int> VisitedPids = new HashSet <int>();
if (ProcessManager.CanBeKilled(ProcessName) && IsOurDescendant(ProcessToCheck, KillCandidate.Id, VisitedPids))
{
CommandUtils.LogLog("Descendant pid={0}, name={1}", KillCandidate.Id, ProcessName);
return(true);
}
}
return(false);
}
/// <summary>
/// returns true if this process has any descendants
/// </summary>
/// <param name="ProcessToCheck">Process to check</param>
public static bool HasAnyDescendants(Process ProcessToCheck)
{
Process[] AllProcs = Process.GetProcesses();
foreach (Process KillCandidate in AllProcs)
{
HashSet <int> VisitedPids = new HashSet <int>();
if (ProcessManager.CanBeKilled(KillCandidate.ProcessName) && IsOurDescendant(ProcessToCheck, KillCandidate.Id, VisitedPids))
{
CommandUtils.Log("Descendant pid={0}, name={1}, filename={2}", KillCandidate.Id, KillCandidate.ProcessName,
KillCandidate.MainModule != null ? KillCandidate.MainModule.FileName : "unknown");
return(true);
}
}
return(false);
}