LibVT: Don't assert if ioctl(TIOCSWINSZ) fails

This ioctl can fail if we're resizing the terminal right when the shell
inside it has exited. Instead of throwing up a crash reporter, whine a
little bit in the debug log and exit cleanly moments later.

1 files changed, 4 insertions, 2 deletions

diff --git a/Libraries/LibVT/TerminalWidget.cpp b/Libraries/LibVT/TerminalWidget.cpp
index c8bf33f5c5..f3b8f1b4e9 100644
--- a/Libraries/LibVT/TerminalWidget.cpp
+++ b/Libraries/LibVT/TerminalWidget.cpp
@@ -975,8 +975,10 @@ void TerminalWidget::terminal_did_resize(u16 columns, u16 rows)
     ws.ws_row = rows;
     ws.ws_col = columns;
     if (m_ptm_fd != -1) {
-        int rc = ioctl(m_ptm_fd, TIOCSWINSZ, &ws);
-        ASSERT(rc == 0);
+        if (ioctl(m_ptm_fd, TIOCSWINSZ, &ws) < 0) {
+            // This can happen if we resize just as the shell exits.
+            dbgln("Notifying the pseudo-terminal about a size change failed.");
+        }
     }
 }