diff options
| -rw-r--r-- | library/std/src/sys/unix/rwlock.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/library/std/src/sys/unix/rwlock.rs b/library/std/src/sys/unix/rwlock.rs index b1faf12c226..1318c5b8e3a 100644 --- a/library/std/src/sys/unix/rwlock.rs +++ b/library/std/src/sys/unix/rwlock.rs @@ -48,9 +48,9 @@ impl RWLock { } panic!("rwlock read lock would result in deadlock"); } else { - // According to POSIX, for a properly initialized rwlock this can only - // return EAGAIN or EDEADLK or 0. We rely on that. - debug_assert_eq!(r, 0); + // POSIX does not make guarantees about all the errors that may be returned. + // See issue #94705 for more details. + assert_eq!(r, 0, "unexpected error during rwlock read lock: {:?}", r); self.num_readers.fetch_add(1, Ordering::Relaxed); } } |