2 files changed, 11 insertions, 10 deletions
diff --git a/src/user/include/pland/pcrt.h b/src/user/include/pland/pcrt.h
index 42158cd..795738e 100644
--- a/src/user/include/pland/pcrt.h
+++ b/src/user/include/pland/pcrt.h
@@ -17,5 +17,6 @@ void __pcrt_quit() __attribute__ ((noreturn));
 
 extern _task_handle_t calling_task;
 extern _task_handle_t stdio_task;
+extern _task_handle_t this_task;
 
 #endif
diff --git a/src/user/include/pland/syscall.h b/src/user/include/pland/syscall.h
index 6d327d5..6870865 100644
--- a/src/user/include/pland/syscall.h
+++ b/src/user/include/pland/syscall.h
@@ -39,8 +39,8 @@ enum _scn {
   _SCN_PAINT_WINDOW,
   _SCN_GET_WIN_ACTION,
   _SCN_WAIT_FOR_ACTION,
-  _SCN_WAIT_IPC_SEND,
-  _SCN_WAIT_FOR_ANY_IPC,
+  _SCN_WAIT_IPC_SENT,
+  _SCN_WAIT_ANY_IPC_SENT,
   _SCN_FIND_UNREAD_IPC,
   _SCN_WAIT_IPC_READ,
   _SCN_IS_TASK_RUNNING
@@ -137,7 +137,7 @@ static inline uint32_t _ipc_send(_task_handle_t handle, uint32_t count, const vo
 }
 
 static inline uint32_t _ipc_read(_task_handle_t handle, uint32_t count, void *buffer) {
-  return _sc3(_SCN_IPC_SEND, handle, count, (uint32_t)buffer);
+  return _sc3(_SCN_IPC_READ, handle, count, (uint32_t)buffer);
 }
 
 static inline void *_allocate_ram(uint32_t pages) {
@@ -184,11 +184,11 @@ static inline void _delete_window(_window_handle_t window) {
   _sc1(_SCN_DELETE_WINDOW, (uint32_t)window);
 }
 
-static inline void _resize_window(_window_handle_t window, uint16_t width, uint16_t height) {
-  _sc3(_SCN_RESIZE_WINDOW, (uint32_t)window, width, height);
+static inline void _resize_window(_window_handle_t window, uint16_t width, uint16_t height, const void *pixel_buffer) {
+  _sc4(_SCN_RESIZE_WINDOW, (uint32_t)window, width, height, (uint32_t)pixel_buffer);
 }
 
-static inline void _reassign_pixbuf(_window_handle_t window, void *pixel_buffer) {
+static inline void _reassign_pixbuf(_window_handle_t window, const void *pixel_buffer) {
   _sc2(_SCN_REASSIGN_PIXBUF, (uint32_t)window, (uint32_t)pixel_buffer);
 }
 
@@ -204,16 +204,16 @@ static inline void _wait_for_action() {
   _sc0(_SCN_WAIT_FOR_ACTION);
 }
 
-static inline void _wait_ipc_send(_task_handle_t sending_task) {
-  _sc1(_SCN_WAIT_IPC_SEND, sending_task);
+static inline void _wait_ipc_sent(_task_handle_t sending_task) {
+  _sc1(_SCN_WAIT_IPC_SENT, sending_task);
 }
 
 static inline void _system_log(const char *sz) {
   _sc1(_SCN_SYSTEM_LOG, (uint32_t)sz);
 }
 
-static inline void _wait_for_any_ipc() {
-  _sc0(_SCN_WAIT_FOR_ANY_IPC);
+static inline void _wait_for_any_ipc_sent() {
+  _sc0(_SCN_WAIT_ANY_IPC_SENT);
 }
 
 static inline _task_handle_t _find_unread_ipc() {