多任务

System/ProcessManager.cs

@@ -0,0 +1,92 @@
+using System.Collections.Generic;
+
+namespace CMLeonOS
+{
+    public static class ProcessManager
+    {
+        public static List<Process> Processes = new List<Process>();
+
+        private static ulong nextProcessId = 0;
+
+
+        public static Process AddProcess(Process parent, Process process)
+        {
+            process.Parent = parent;
+            AddProcess(process);
+            return process;
+        }
+
+        public static Process AddProcess(Process process)
+        {
+
+            if (Processes.Contains(process))
+                return process;
+
+            process.Id = nextProcessId;
+            nextProcessId++;
+
+            Processes.Add(process);
+
+            return process;
+        }
+
+        public static void Sweep()
+        {
+            for (int i = Processes.Count - 1; i >= 0; i--)
+            {
+                if (!Processes[i].IsRunning)
+                {
+                    Processes.Remove(Processes[i]);
+                }
+            }
+        }
+
+        public static void Yield()
+        {
+            for (int i = Processes.Count - 1; i >= 0; i--)
+            {
+                Process process = Processes[i];
+                if (process.IsRunning)
+                {
+                    process.TryRun();
+                }
+            }
+        }
+
+        public static Process GetProcessById(ulong processId)
+        {
+            foreach (Process process in Processes)
+            {
+                if (process.Id == processId) return process;
+            }
+            return null;
+        }
+
+        public static Process GetProcessByName(string name)
+        {
+            foreach (Process process in Processes)
+            {
+                if (process.Name == name) return process;
+            }
+            return null;
+        }
+
+        public static T GetProcess<T>()
+        {
+            foreach (Process process in Processes)
+            {
+                if (process is T processT) return processT;
+            }
+            return default;
+        }
+
+        public static void StopAll()
+        {
+            for (int i = Processes.Count - 1; i >= 0; i--)
+            {
+                Process process = Processes[i];
+                process.TryStop();
+            }
+        }
+    }
+}