have command shell block while commands are running

1 files changed, 9 insertions, 1 deletions

diff --git a/src/kernel/task.h b/src/kernel/task.h
index 0fa9688..50be93a 100644
--- a/src/kernel/task.h
+++ b/src/kernel/task.h
@@ -6,6 +6,11 @@
 
 #define TASK_NAME_LEN 15
 
+enum wait_mode {
+  NONE,
+  PROCESS_END,
+};
+
 struct task_state {
   uint32_t ret_addr;
   void *page_directory;
@@ -18,6 +23,9 @@ struct task_state {
   uint32_t ebp;
   uint32_t esp;
 
+  enum wait_mode wait_mode;
+  uint32_t wait_arg;
+
   char name[TASK_NAME_LEN + 1];
 } __attribute__ ((packed));
 
@@ -25,7 +33,7 @@ extern struct task_state *active_task;
 
 void init_tasks();
 
-void new_task(struct task_state state);
+uint32_t new_task(struct task_state state);
 void advance_active_task();
 
 void delete_task(struct task_state *state);