box mutex to get a movable mutex

stlankes · stlankes · commit bf268fe928ea · 2020-10-13T23:25:42.000+02:00
the commit avoid an alignement issue in Mutex implementation
diff --git a/library/std/src/sys/hermit/mutex.rs b/library/std/src/sys/hermit/mutex.rs
@@ -155,7 +155,7 @@ pub struct Mutex {
     inner: Spinlock<MutexInner>,
 }
 
-pub type MovableMutex = Mutex;
+pub type MovableMutex = Box<Mutex>;
 
 unsafe impl Send for Mutex {}
 unsafe impl Sync for Mutex {}

Original file line number	Diff line number	Diff line change
`@@ -155,7 +155,7 @@ pub struct Mutex {`
`155`	`155`	`inner: Spinlock<MutexInner>,`
`156`	`156`	`}`
`157`	`157`
`158`		`-pub type MovableMutex = Mutex;`
	`158`	`+pub type MovableMutex = Box<Mutex>;`
`159`	`159`
`160`	`160`	`unsafe impl Send for Mutex {}`
`161`	`161`	`unsafe impl Sync for Mutex {}`