/// <summary>
/// Is the process group with still alive?
/// This method assumes that isAlive is called on a pid that was alive not
/// too long ago, and hence assumes no chance of pid-wrapping-around.
/// </summary>
/// <param name="pgrpId">process group id</param>
/// <returns>true if any of process in group is alive.</returns>
public static bool IsProcessGroupAlive(string pgrpId)
{
Shell.ShellCommandExecutor shexec = null;
try
{
string[] args = new string[] { "kill", "-0", "-" + pgrpId };
shexec = new Shell.ShellCommandExecutor(args);
shexec.Execute();
}
catch (Shell.ExitCodeException)
{
return(false);
}
catch (IOException ioe)
{
Log.Warn("Error executing shell command " + shexec.ToString() + ioe);
return(false);
}
return(shexec.GetExitCode() == 0 ? true : false);
}
