System.Diagnostics.ProcessManager.EnumerateProcessIds C# (CSharp) Method

        internal static IEnumerable<int> EnumerateProcessIds()
        {
            // Parse /proc for any directory that's named with a number.  Each such
            // directory represents a process.
            foreach (string procDir in Directory.EnumerateDirectories(Interop.procfs.RootPath))
            {
                string dirName = Path.GetFileName(procDir);
                int pid;
                if (int.TryParse(dirName, NumberStyles.Integer, CultureInfo.InvariantCulture, out pid))
                {
                    Debug.Assert(pid >= 0);
                    yield return pid;
                }
            }
        }

        /// <summary>
        /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
        /// remote computer. These process resources share the specified process name.
        /// </summary>
        public static Process[] GetProcessesByName(string processName, string machineName)
        {
            ProcessManager.ThrowIfRemoteMachine(machineName);
            if (processName == null)
            {
                processName = string.Empty;
            }

            var reusableReader = new ReusableTextReader();
            var processes      = new List <Process>();

            foreach (int pid in ProcessManager.EnumerateProcessIds())
            {
                if (string.Equals(processName, Process.GetProcessName(pid), StringComparison.OrdinalIgnoreCase))
                {
                    ProcessInfo processInfo = ProcessManager.CreateProcessInfo(pid, reusableReader, processName);
                    processes.Add(new Process(machineName, false, processInfo.ProcessId, processInfo));
                }
            }

            return(processes.ToArray());
        }