5 files changed, 5 insertions, 11 deletions
diff --git a/library/std/src/sys/unix/locks/fuchsia_mutex.rs b/library/std/src/sys/unix/locks/fuchsia_mutex.rs
index ce427599c..117611ce4 100644
--- a/library/std/src/sys/unix/locks/fuchsia_mutex.rs
+++ b/library/std/src/sys/unix/locks/fuchsia_mutex.rs
@@ -86,9 +86,6 @@ impl Mutex {
     }
 
     #[inline]
-    pub unsafe fn init(&mut self) {}
-
-    #[inline]
     pub unsafe fn try_lock(&self) -> bool {
         let thread_self = zx_thread_self();
         self.futex.compare_exchange(UNLOCKED, to_state(thread_self), Acquire, Relaxed).is_ok()
@@ -138,7 +135,7 @@ impl Mutex {
                 }
             }
 
-            // The state has changed or a wakeup occured, try to lock the mutex.
+            // The state has changed or a wakeup occurred, try to lock the mutex.
             match self.futex.compare_exchange(UNLOCKED, owned_state, Acquire, Relaxed) {
                 Ok(_) => return,
                 Err(updated) => state = updated,
diff --git a/library/std/src/sys/unix/locks/futex_mutex.rs b/library/std/src/sys/unix/locks/futex_mutex.rs
index 99ba86e5f..33b13dad4 100644
--- a/library/std/src/sys/unix/locks/futex_mutex.rs
+++ b/library/std/src/sys/unix/locks/futex_mutex.rs
@@ -20,9 +20,6 @@ impl Mutex {
     }
 
     #[inline]
-    pub unsafe fn init(&mut self) {}
-
-    #[inline]
     pub unsafe fn try_lock(&self) -> bool {
         self.futex.compare_exchange(0, 1, Acquire, Relaxed).is_ok()
     }
@@ -53,7 +50,7 @@ impl Mutex {
             // We avoid an unnecessary write if it as already set to 2,
             // to be friendlier for the caches.
             if state != 2 && self.futex.swap(2, Acquire) == 0 {
-                // We changed it from 0 to 2, so we just succesfully locked it.
+                // We changed it from 0 to 2, so we just successfully locked it.
                 return;
             }
 
diff --git a/library/std/src/sys/unix/locks/futex_rwlock.rs b/library/std/src/sys/unix/locks/futex_rwlock.rs
index b3bbbf743..0cc92244e 100644
--- a/library/std/src/sys/unix/locks/futex_rwlock.rs
+++ b/library/std/src/sys/unix/locks/futex_rwlock.rs
@@ -54,7 +54,7 @@ fn is_read_lockable(state: u32) -> bool {
     // We don't allow read-locking if there's readers waiting, even if the lock is unlocked
     // and there's no writers waiting. The only situation when this happens is after unlocking,
     // at which point the unlocking thread might be waking up writers, which have priority over readers.
-    // The unlocking thread will clear the readers waiting bit and wake up readers, if necssary.
+    // The unlocking thread will clear the readers waiting bit and wake up readers, if necessary.
     state & MASK < MAX_READERS && !has_readers_waiting(state) && !has_writers_waiting(state)
 }
 
diff --git a/library/std/src/sys/unix/locks/pthread_condvar.rs b/library/std/src/sys/unix/locks/pthread_condvar.rs
index abf27e7db..4741c0c67 100644
--- a/library/std/src/sys/unix/locks/pthread_condvar.rs
+++ b/library/std/src/sys/unix/locks/pthread_condvar.rs
@@ -172,7 +172,7 @@ impl Condvar {
         let mut sys_now = libc::timeval { tv_sec: 0, tv_usec: 0 };
         let stable_now = Instant::now();
         let r = libc::gettimeofday(&mut sys_now, ptr::null_mut());
-        debug_assert_eq!(r, 0);
+        assert_eq!(r, 0, "unexpected error: {:?}", crate::io::Error::last_os_error());
 
         let nsec = dur.subsec_nanos() as libc::c_long + (sys_now.tv_usec * 1000) as libc::c_long;
         let extra = (nsec / 1_000_000_000) as libc::time_t;
diff --git a/library/std/src/sys/unix/locks/pthread_mutex.rs b/library/std/src/sys/unix/locks/pthread_mutex.rs
index 98afee69b..5964935dd 100644
--- a/library/std/src/sys/unix/locks/pthread_mutex.rs
+++ b/library/std/src/sys/unix/locks/pthread_mutex.rs
@@ -52,7 +52,7 @@ impl Mutex {
         Mutex { inner: UnsafeCell::new(libc::PTHREAD_MUTEX_INITIALIZER) }
     }
     #[inline]
-    pub unsafe fn init(&mut self) {
+    unsafe fn init(&mut self) {
         // Issue #33770
         //
         // A pthread mutex initialized with PTHREAD_MUTEX_INITIALIZER will have