fix(tui): exit on input eof

src/nvim/os/input.c

@@ -470,11 +470,6 @@ static InbufPollResult inbuf_poll(int ms, MultiQueue *events)
   return input_eof ? kInputEof : kInputNone;
 }
 
-void input_done(void)
-{
-  input_eof = true;
-}
-
 bool input_available(void)
 {
   return rbuffer_size(input_buffer) != 0;
@@ -483,7 +478,7 @@ bool input_available(void)
 static void input_read_cb(Stream *stream, RBuffer *buf, size_t c, void *data, bool at_eof)
 {
   if (at_eof) {
-    input_done();
+    input_eof = true;
   }
 
   assert(rbuffer_space(input_buffer) >= rbuffer_size(buf));

src/nvim/tui/input.c

@@ -185,8 +185,9 @@ void tinput_stop(TermInput *input)
 }
 
 static void tinput_done_event(void **argv)
+  FUNC_ATTR_NORETURN
 {
-  input_done();
+  os_exit(1);
 }
 
 static void tinput_wait_enqueue(void **argv)

src/nvim/tui/tui.c

@@ -167,7 +167,7 @@ static bool cursor_style_enabled = false;
 # include "tui/tui.c.generated.h"
 #endif
 
-TUIData *tui_start(int *width, int *height, char **term)
+void tui_start(TUIData **tui_p, int *width, int *height, char **term)
 {
   TUIData *tui = xcalloc(1, sizeof(TUIData));
   tui->is_starting = true;
@@ -190,11 +190,11 @@ TUIData *tui_start(int *width, int *height, char **term)
   uv_timer_start(&tui->startup_delay_timer, after_startup_cb,
                  100, 0);
 
+  *tui_p = tui;
   loop_poll_events(&main_loop, 1);
   *width = tui->width;
   *height = tui->height;
   *term = tui->term;
-  return tui;
 }
 
 void tui_enable_extkeys(TUIData *tui)

src/nvim/ui_client.c

@@ -113,7 +113,7 @@ void ui_client_run(bool remote_ui)
   ui_client_is_remote = remote_ui;
   int width, height;
   char *term;
-  tui = tui_start(&width, &height, &term);
+  tui_start(&tui, &width, &height, &term);
 
   ui_client_attach(width, height, term);
 

test/functional/terminal/tui_spec.lua

@@ -2412,6 +2412,11 @@ describe("TUI as a client", function()
     exec_lua([[vim.loop.kill(vim.fn.jobpid(vim.bo.channel), 'sigterm')]])
     screen:expect({any = '%[Process exited 1%]'})
 
+    eq(0, meths.get_vvar('shell_error'))
+    -- exits on input eof #22244
+    funcs.system({nvim_prog, '--server', server_pipe, '--remote-ui'})
+    eq(1, meths.get_vvar('shell_error'))
+
     client_super:close()
     server:close()
   end)