relibc/header/pthread/once.rs
1use super::*;
2
3// PTHREAD_ONCE_INIT
4
5/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/pthread_once.html>.
6#[unsafe(no_mangle)]
7pub unsafe extern "C" fn pthread_once(
8 once: *mut pthread_once_t,
9 constructor: extern "C" fn(),
10) -> c_int {
11 let once = unsafe { &*once.cast::<RlctOnce>() };
12
13 // TODO: Cancellation points
14
15 once.call_once(|| constructor());
16
17 //crate::sync::once::call_once_generic(&once.inner, || constructor());
18
19 0
20}
21pub(crate) type RlctOnce = crate::sync::Once<()>;