Add current_thread_unique_ptr() in std::sys_common.

m-ou-se · m-ou-se · commit c62c8cb82d18 · 2022-04-12T08:41:42.000+02:00
diff --git a/library/std/src/sys_common/thread_info.rs b/library/std/src/sys_common/thread_info.rs
@@ -30,6 +30,13 @@ impl ThreadInfo {
     }
 }
 
+/// Get an address that is unique per running thread.
+///
+/// This can be used as a non-null usize-sized ID.
+pub fn current_thread_unique_ptr() -> usize {
+    THREAD_INFO.with(|info| <*const _>::addr(info))
+}
+
 pub fn current_thread() -> Option<Thread> {
     ThreadInfo::with(|info| info.thread.clone())
 }

Original file line number	Diff line number	Diff line change
`@@ -30,6 +30,13 @@ impl ThreadInfo {`
`30`	`30`	`}`
`31`	`31`	`}`
`32`	`32`
	`33`	`+/// Get an address that is unique per running thread.`
	`34`	`+///`
	`35`	`+/// This can be used as a non-null usize-sized ID.`
	`36`	`+pub fn current_thread_unique_ptr() -> usize {`
	`37`	`+ THREAD_INFO.with(\|info\| <*const _>::addr(info))`
	`38`	`+}`
	`39`	`+`
`33`	`40`	`pub fn current_thread() -> Option<Thread> {`
`34`	`41`	`ThreadInfo::with(\|info\| info.thread.clone())`
`35`	`42`	`}`