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Issue a friendlier error message if fde-registry is enabled with no lock impl.

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This commit is contained in:
Dan Gohman 2021-10-03 10:24:20 -07:00
parent 67ebac869f
commit 04a14677e4
1 changed files with 2 additions and 0 deletions
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src/unwinder/find_fde/registry.rs
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@ -67,6 +67,8 @@ unsafe fn lock_global_state() -> impl ops::DerefMut<Target = GlobalState> {
}); });
MUTEX.lock() MUTEX.lock()
} }
#[cfg(not(any(feature = "libc", feature = "spin")))]
compile_error!("Either feature \"libc\" or \"spin\" must be enabled to use \"fde-registry\".");
} }
pub fn get_finder() -> &'static Registry { pub fn get_finder() -> &'static Registry {