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Never inline Windows dtor access

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Chris Denton 2022-08-01 01:46:49 +01:00
parent f9cba63746
commit 847f4613e0
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4
library/std/src/sys/windows/thread_local_dtor.rs
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@ -8,10 +8,14 @@
#[thread_local] #[thread_local]
static mut DESTRUCTORS: Vec<(*mut u8, unsafe extern "C" fn(*mut u8))> = Vec::new(); static mut DESTRUCTORS: Vec<(*mut u8, unsafe extern "C" fn(*mut u8))> = Vec::new();
// Ensure this can never be inlined because otherwise this may break in dylibs.
// See #44391.
#[inline(never)]
pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) { pub unsafe fn register_dtor(t: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) {
DESTRUCTORS.push((t, dtor)); DESTRUCTORS.push((t, dtor));
} }
#[inline(never)] // See comment above
/// Runs destructors. This should not be called until thread exit. /// Runs destructors. This should not be called until thread exit.
pub unsafe fn run_keyless_dtors() { pub unsafe fn run_keyless_dtors() {
// Drop all the destructors. // Drop all the destructors.