diff options
| -rw-r--r-- | library/std/src/sys_common/rwlock.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/library/std/src/sys_common/rwlock.rs b/library/std/src/sys_common/rwlock.rs index 1f2765ffbcc..7fd902ee0fe 100644 --- a/library/std/src/sys_common/rwlock.rs +++ b/library/std/src/sys_common/rwlock.rs @@ -1,12 +1,15 @@ use crate::sys::rwlock as imp; +#[cfg(unix)] enum GuardType { Read, Write, } +#[cfg(unix)] pub struct RWLockGuard(&'static RWLock, GuardType); +#[cfg(unix)] impl Drop for RWLockGuard { fn drop(&mut self) { unsafe { @@ -52,6 +55,7 @@ impl RWLock { /// Behavior is undefined if the rwlock has been moved between this and any /// previous method call. #[inline] + #[cfg(unix)] pub unsafe fn read_with_guard(&'static self) -> RWLockGuard { self.read(); RWLockGuard(&self, GuardType::Read) @@ -87,6 +91,7 @@ impl RWLock { /// Behavior is undefined if the rwlock has been moved between this and any /// previous method call. #[inline] + #[cfg(unix)] pub unsafe fn write_with_guard(&'static self) -> RWLockGuard { self.write(); RWLockGuard(&self, GuardType::Write) |