[Threading][Windows] Fix another Windows niggle.

al45tair · al45tair · commit 6f4d9cca41b2 · 2022-05-24T14:57:40.000+01:00
Looks like I forgot to update the Win32.h implementation.

rdar://90776105
diff --git a/include/swift/Threading/Impl/Win32.h b/include/swift/Threading/Impl/Win32.h
@@ -64,8 +64,8 @@ inline void mutex_unsafe_unlock(mutex_handle &handle) {
 using lazy_mutex_handle = SRWLOCK;
 
 // We don't need to be lazy here because Win32 has SRWLOCK_INIT.
-inline void lazy_mutex_init(lazy_mutex_handle &handle) {
-  handle = SRWLOCK_INIT;
+inline constexpr lazy_mutex_handle lazy_mutex_initializer() {
+  return SRWLOCK_INIT;
 }
 inline void lazy_mutex_destroy(lazy_mutex_handle &handle) { }
 

Original file line number	Diff line number	Diff line change
`@@ -64,8 +64,8 @@ inline void mutex_unsafe_unlock(mutex_handle &handle) {`
`64`	`64`	`using lazy_mutex_handle = SRWLOCK;`
`65`	`65`
`66`	`66`	`// We don't need to be lazy here because Win32 has SRWLOCK_INIT.`
`67`		`-inline void lazy_mutex_init(lazy_mutex_handle &handle) {`
`68`		`- handle = SRWLOCK_INIT;`
	`67`	`+inline constexpr lazy_mutex_handle lazy_mutex_initializer() {`
	`68`	`+ return SRWLOCK_INIT;`
`69`	`69`	`}`
`70`	`70`	`inline void lazy_mutex_destroy(lazy_mutex_handle &handle) { }`
`71`	`71`