spawn shells forever

1 files changed, 21 insertions, 11 deletions

diff --git a/userspace/init.c b/userspace/init.c
index 8c3bcd7..6dc6215 100644
--- a/userspace/init.c
+++ b/userspace/init.c
@@ -1,20 +1,30 @@
-
 int main(int argc, char **argv)
 {
-    int pid=fork();
 
-    if(pid==0)
-    {
-	execve("/bin/foolshell",0,0);
-    }
-    else
+    printf("fool-init: spawning a Fool's Shell\n");
+
+    // loop forever and spawn shells if the top-shell exits
+    while(1)
     {
-	printf("fool-init: forked child (pid: %i) spawning a Fools Shell\n",pid);
+
+	int pid=fork();
 	int status;
-	int pid_ret=wait(&status);
-	puts("child state has changed!");
-	execve("/bin/init",0,0);
 
+	if(pid==0)
+	{
+	    execve("/bin/foolshell",0,0); // replace process with our foolshell :)
+	    puts("FATAL ERROR: Something terrible happened. Unable to Execute SHELL!");
+	    while(1);// hang
+
+	}
+
+	// wait until our child process state changes (exits)
+	// and respawn SHELL 
+	wait(&status);
+
+	printf("fool-init: catched exit of process %d.\n",pid);
+	printf("fool-init: respawning a Fools Shell\n");
+	
     }
     return 0;
 }