From f90a77c42a3d924e0ffc01ddfca1d677ee2866da Mon Sep 17 00:00:00 2001
From: Lisa Milne <lisamilne618@gmail.com>
Date: Sat, 11 Nov 2023 22:06:50 +1000
Subject: [PATCH] process manager pt1

---
 clite/core.js | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/clite/core.js b/clite/core.js
index 10a581a..9027a6c 100644
--- a/clite/core.js
+++ b/clite/core.js
@@ -217,6 +217,11 @@ data/about.txt:/usr/share/site/about:0:0:-rw-rw-r--`;
 			function init3(data) {
 				clite.core.execSafe(clite.commands.data);
 				clite.commands = null;
+				clite.log.write('Bringing up the process manager');
+				if (!clite.proc.init(vfsapi)) {
+					clite.log.write('failed');
+					return;
+				}
 				// check cookies for login
 				clite.log.write('Checking for user session');
 				if (clite.user.init(vfsapi)) {// if logged in:
@@ -262,6 +267,67 @@ data/about.txt:/usr/share/site/about:0:0:-rw-rw-r--`;
 	}
 };
 
+clite.proc = {
+	init:function(vfs) {
+		var vfsapi = vfs;
+		var data = {
+			nextid:1,
+			procs:[]
+		};
+
+		function getProc(pid) {
+			var proc = null;
+			data.procs.forEach(function(p,i) {
+				if (proc)
+					return;
+				if (p.pid == pid)
+					proc = p;
+			});
+			return proc;
+		}
+		function getProcIndex(pid) {
+			var index = -1;
+			data.procs.forEach(function(p,i) {
+				if (index > -1)
+					return;
+				if (p.pid == pid)
+					index = i;
+			});
+			return index;
+		}
+
+		clite.proc.add = function(cl,fn) {
+			var proc = Object.create({
+				pid:data.nextid++,
+				command:cl,
+				func:fn
+			});
+			data.procs.push(proc);
+			// TODO: insert data in /proc/pid
+			return proc.pid;
+		}
+		clite.proc.exit = function(pid) {
+			var i = getProcIndex(pid);
+			if (i<0)
+				return false;
+			var proc = getProc(pid);
+			if (!proc)
+				return false;
+			data.procs.splice(i,1);
+			// TODO: remove data from /proc/pid
+			return true;
+		}
+		clite.proc.count = function() {
+			return data.procs.length;
+		}
+		clite.proc.init = null;
+		return true;
+	},
+	add:function(cl,fn) {return 0;},
+	exit:function(id) {},
+	count:function() {return 0;}
+};
+
 clite.user = {
 	init:function(vfs) { // returns true if there's a user login or false for guest
 		var udata = {