added process scheduling algorithms

process-scheduling/algorithms/utils.typ

@@ -0,0 +1,30 @@
+#import "../utils.typ": UNBORN, READY, RUNNING, TERMINATED
+
+#let _prepare-tasks(tasks) = {
+  let processes = (:)
+  for (i, task) in tasks.enumerate() {
+    let id = str(i)
+    task.insert("id", id)
+    task.insert("state", UNBORN)
+    processes.insert(id, (task: task, events: ()))
+    tasks.at(i) = task
+  }
+  return (processes, tasks)
+}
+
+#let _prepare-output(processes) = {
+  return processes.values()
+                  .map(p => (
+                    pid: p.task.pid,
+                    priority: p.task.priority,
+                    events: p.events
+                  ))
+                  .sorted(key: t => t.pid)
+}
+
+#let log-list(list) = {
+  if list == none or list.len() == 0 {
+    return "queue:"
+  }
+  return "queue: " + list.map(t => str(t.pid)).join(", ")
+}