blob: effc8fd6a7e54ad9d77530c71823b7926ae14a6a (
plain) (
blame)
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
38
39
40
41
42
43
44
45
46
|
use std::{
env,
ffi::CString,
io::Write,
panic, ptr,
sync::atomic::{AtomicBool, Ordering},
};
static RELOAD: AtomicBool = AtomicBool::new(false);
pub fn begin_reload() {
RELOAD.store(true, Ordering::SeqCst);
panic::resume_unwind(Box::new(42));
}
/// ONLY TO BE CALLED FROM MAIN WHEN NOT A SINGLE RESOURCE IS HELD
pub unsafe fn continue_reload() {
if !RELOAD.load(Ordering::SeqCst) {
return;
}
eprintln!("reloading...");
let _ = std::io::stdout().lock().flush();
unsafe { exec() }
eprintln!("exec failed.");
}
unsafe fn exec() {
// path to this executable
let exe = env::current_exe()
.unwrap()
.to_string_lossy()
.replace(" (deleted)", "");
let exe_c = CString::new(exe).unwrap();
// argv
let args: Vec<CString> = env::args().map(|a| CString::new(a).unwrap()).collect();
let mut argv: Vec<*const libc::c_char> = args.iter().map(|a| a.as_ptr()).collect();
argv.push(ptr::null());
unsafe {
libc::execv(exe_c.as_ptr(), argv.as_ptr());
}
}
|
