1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
#![cfg_attr(all(windows, feature = "gui"), windows_subsystem = "windows")]
use std::io;
fn main() -> io::Result<()> {
#[cfg(feature = "gui")]
{
use std::io::IsTerminal;
let is_gui_child = std::env::var_os("TSLIME_GUI_CHILD").is_some();
let no_tty = !std::io::stdin().is_terminal();
// On Linux, also require a display server to be available; otherwise
// fall through to TUI (headless server, SSH without X forwarding, etc.).
#[cfg(target_os = "linux")]
let has_display =
std::env::var_os("DISPLAY").is_some() || std::env::var_os("WAYLAND_DISPLAY").is_some();
#[cfg(not(target_os = "linux"))]
let has_display = true;
if !is_gui_child && no_tty && has_display {
// GUI backends (winit/iced) must run on the main thread, notably
// on macOS — do not move this onto a worker thread.
return tslime::gui::run();
}
}
// Windows gives the main thread only a 1 MiB stack (vs 8 MiB on
// Linux/macOS). clap building its command for the large Args struct, plus
// the simulation's deep call chains, overflows it at startup. Run the TUI
// app on a worker thread with a generous stack for cross-platform parity.
std::thread::Builder::new()
.stack_size(16 * 1024 * 1024)
.spawn(tslime::app::run)
.expect("failed to spawn tslime worker thread")
.join()
.expect("tslime worker thread panicked")
}