lots and lots of userspace stuff

3 files changed, 12 insertions, 7 deletions

diff --git a/kernel/include/hilbert/kernel/application.hpp b/kernel/include/hilbert/kernel/application.hpp
index 56c2a15..a4b59ff 100644
--- a/kernel/include/hilbert/kernel/application.hpp
+++ b/kernel/include/hilbert/kernel/application.hpp
@@ -22,7 +22,8 @@ namespace hilbert::kernel::application {
     socket_listener_closed,
     other_end_closed,
     already_exists,
-    not_sized
+    not_sized,
+    not_readable
   };
 
   struct [[gnu::packed]] cpu_state {
@@ -57,10 +58,10 @@ namespace hilbert::kernel::application {
 
   class process;
   class thread;
-  class file_stream;
-  class socket;
-  class socket_stream_end;
-  class socket_listener;
+  struct file_stream;
+  struct socket;
+  struct socket_stream_end;
+  struct socket_listener;
 
   struct generic_stream_ptr {
     bool is_socket;
@@ -93,7 +94,7 @@ namespace hilbert::kernel::application {
 
   //saves running thread state, and switches to new task. when the thread is
   //resumed, returns to caller.
-  extern "C" void yield();
+  extern "C" void yield(cpu_state &save_state_into);
 
   extern "C" [[noreturn]] void resume_next_thread();
 
diff --git a/kernel/include/hilbert/kernel/panic.hpp b/kernel/include/hilbert/kernel/panic.hpp
index 0478142..3aadddb 100644
--- a/kernel/include/hilbert/kernel/panic.hpp
+++ b/kernel/include/hilbert/kernel/panic.hpp
@@ -1,5 +1,5 @@
 #pragma once
 
 namespace hilbert::kernel {
-  [[noreturn]] void panic(uint32_t code);
+  extern "C" [[noreturn]] void panic(uint32_t code);
 }
diff --git a/kernel/include/hilbert/kernel/utility.hpp b/kernel/include/hilbert/kernel/utility.hpp
index 0247fee..b7f1a1b 100644
--- a/kernel/include/hilbert/kernel/utility.hpp
+++ b/kernel/include/hilbert/kernel/utility.hpp
@@ -381,6 +381,10 @@ namespace hilbert::kernel::utility {
       count = written;
     }
 
+    void clear() {
+      count = 0;
+    }
+
   };
 
   template <class t>