small fix

kernel/syscall.c

@@ -27,11 +27,10 @@ typedef struct registers {
 static int32_t sys_exit(int status) {
     process_t* task = current_task();
     task->state = STATE_DEAD;
-    // task->exit_status = status;
-    // if (task->waiting) {
-    //     wake(task->waiting);
-    // }
-    kprintf("task %d exited with status %d\n", task->pid, status);
+    task->exit_status = status;
+    if (task->waiting) {
+        wake(task->waiting);
+    }
     exit();
     return 0;
 }

run.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+./build.sh
+make run