Implement waiting for process, CE add command cancelation, rctx many cpus

init/init.c

@@ -6,16 +6,17 @@
 #include <string.h>
 #include <terminal.h>
 
+#define RECV_MAX (1024 * 16)
+
 static int ce_pgid;
 
 void receiver (void) {
   for (;;) {
-    char rcv;
-    mail_receive (&rcv, 1);
-    if (rcv == '\n')
-      terminal_print ("\r\n", 2);
-    else
-      terminal_print (&rcv, 1);
+    char recv[RECV_MAX];
+    memset (recv, 0, sizeof (recv));
+    mail_receive (&recv, sizeof (recv) - 1);
+
+    terminal_print (recv, strlen (recv));
   }
 }