/// <summary>
/// Attempt to use evil reflection tricks to determine the
/// pid of a launched process.
/// </summary>
/// <remarks>
/// Attempt to use evil reflection tricks to determine the
/// pid of a launched process. This is helpful to ops
/// if debugging a fencing process that might have gone
/// wrong. If running on a system or JVM where this doesn't
/// work, it will simply return null.
/// </remarks>
private static string TryGetPid(SystemProcess p)
{
try
{
Type clazz = p.GetType();
if (clazz.FullName.Equals("java.lang.UNIXProcess"))
{
FieldInfo f = Runtime.GetDeclaredField(clazz, "pid");
return(f.GetInt(p).ToString());
}
else
{
Log.Trace("Unable to determine pid for " + p + " since it is not a UNIXProcess");
return(null);
}
}
catch (Exception t)
{
Log.Trace("Unable to determine pid for " + p, t);
return(null);
}
}