# server_check_unattached

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-fn.c#L469
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-server_check_unattached/

```c
void server_check_unattached(void)
```

## Called by

- [`cmd_switch_client_exec`](/en/tmux/3.2a/reference/c-function-cmd-switch-client-c-cmd_switch_client_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-switch-client.c#L148)
- [`server_client_lost`](/en/tmux/3.2a/reference/c-function-server_client_lost/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L384)

## Calls

- [`options_get_number`](/en/tmux/3.2a/reference/c-function-options_get_number/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-fn.c#L480)
- [`session_destroy`](/en/tmux/3.2a/reference/c-function-session_destroy/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-fn.c#L481)

## Referenced by

- [`server_client_push_stderr`](/en/tmux/3.2a/reference/c-function-server_client_push_stderr/) (function)

## Referenced declarations

- [`session.attached`](/en/tmux/3.2a/reference/c-struct-session-attached/) (attribute)
- [`session.options`](/en/tmux/3.2a/reference/c-struct-session-options/) (attribute)