fiber_entryPoint() is noreturn

denizzzka · denizzzka · commit 91fbe07bb644 · 2025-03-06T20:30:22.000+03:00
diff --git a/druntime/src/core/thread/fiber/base.d b/druntime/src/core/thread/fiber/base.d
@@ -27,7 +27,7 @@ package
     import core.exception : onOutOfMemoryError;
     import core.stdc.stdlib : abort;
 
-    extern (C) void fiber_entryPoint() nothrow
+    extern (C) noreturn fiber_entryPoint() nothrow
     {
         FiberBase obj = FiberBase.getThis();
         assert( obj );
@@ -51,6 +51,8 @@ package
 
         obj.m_state = Fiber.State.TERM;
         obj.switchOut();
+
+        assert(false, "It is impossible to return from switchOut");
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ package`
`27`	`27`	`import core.exception : onOutOfMemoryError;`
`28`	`28`	`import core.stdc.stdlib : abort;`
`29`	`29`
`30`		`- extern (C) void fiber_entryPoint() nothrow`
	`30`	`+ extern (C) noreturn fiber_entryPoint() nothrow`
`31`	`31`	`{`
`32`	`32`	`FiberBase obj = FiberBase.getThis();`
`33`	`33`	`assert( obj );`
`@@ -51,6 +51,8 @@ package`
`51`	`51`
`52`	`52`	`obj.m_state = Fiber.State.TERM;`
`53`	`53`	`obj.switchOut();`
	`54`	`+`
	`55`	`+ assert(false, "It is impossible to return from switchOut");`
`54`	`56`	`}`
`55`	`57`	`}`
`56`	`58`