Reword comment in futex condvar implementation.

m-ou-se · m-ou-se · commit 650315ee8801 · 2022-04-05T17:08:12.000+02:00
diff --git a/library/std/src/sys/unix/locks/futex.rs b/library/std/src/sys/unix/locks/futex.rs
@@ -146,7 +146,7 @@ impl Condvar {
     }
 
     unsafe fn wait_optional_timeout(&self, mutex: &Mutex, timeout: Option<Duration>) -> bool {
-        // Check the notification counter before we unlock the mutex.
+        // Examine the notification counter _before_ we unlock the mutex.
         let futex_value = self.futex.load(Relaxed);
 
         // Unlock the mutex before going to sleep.

Original file line number	Diff line number	Diff line change
`@@ -146,7 +146,7 @@ impl Condvar {`
`146`	`146`	`}`
`147`	`147`
`148`	`148`	`unsafe fn wait_optional_timeout(&self, mutex: &Mutex, timeout: Option<Duration>) -> bool {`
`149`		`- // Check the notification counter before we unlock the mutex.`
	`149`	`+ // Examine the notification counter _before_ we unlock the mutex.`
`150`	`150`	`let futex_value = self.futex.load(Relaxed);`
`151`	`151`
`152`	`152`	`// Unlock the mutex before going to sleep.`