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Fix static_mut_ref warning

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This commit is contained in:
Gary Guo 2024-01-10 21:37:59 +00:00
parent e9eefeed51
commit 6720a34c66
1 changed files with 6 additions and 4 deletions
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10
src/unwinder/find_fde/registry.rs
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@ -32,7 +32,7 @@ unsafe fn lock_global_state() -> impl ops::DerefMut<Target = GlobalState> {
#[cfg(feature = "libc")]
{
static mut MUTEX: libc::pthread_mutex_t = libc::PTHREAD_MUTEX_INITIALIZER;
unsafe { libc::pthread_mutex_lock(&mut MUTEX) };
unsafe { libc::pthread_mutex_lock(core::ptr::addr_of_mut!(MUTEX)) };
static mut STATE: GlobalState = GlobalState {
object: ptr::null_mut(),
@ -41,20 +41,22 @@ unsafe fn lock_global_state() -> impl ops::DerefMut<Target = GlobalState> {
struct LockGuard;
impl Drop for LockGuard {
fn drop(&mut self) {
unsafe { libc::pthread_mutex_unlock(&mut MUTEX) };
unsafe { libc::pthread_mutex_unlock(core::ptr::addr_of_mut!(MUTEX)) };
}
}
impl ops::Deref for LockGuard {
type Target = GlobalState;
#[allow(static_mut_ref)]
fn deref(&self) -> &GlobalState {
unsafe { &STATE }
unsafe { &*core::ptr::addr_of!(STATE) }
}
}
impl ops::DerefMut for LockGuard {
fn deref_mut(&mut self) -> &mut GlobalState {
unsafe { &mut STATE }
unsafe { &mut *core::ptr::addr_of_mut!(STATE) }
}
}