windows.zig: make WaitForMultipleObjectsEx assert MAXIMUM_WAIT_OBJECTS, inclusive.

jayrod246 · jayrod246 · commit d375a20bb274 · 2024-07-17T17:00:26.000-04:00
Additionally, the parameter must not be zero. source: https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitformultipleobjects
diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
@@ -452,7 +452,8 @@ pub fn WaitForSingleObjectEx(handle: HANDLE, milliseconds: DWORD, alertable: boo
 }
 
 pub fn WaitForMultipleObjectsEx(handles: []const HANDLE, waitAll: bool, milliseconds: DWORD, alertable: bool) !u32 {
-    assert(handles.len < MAXIMUM_WAIT_OBJECTS);
+    assert(handles.len <= MAXIMUM_WAIT_OBJECTS);
+    assert(handles.len != 0);
     const nCount: DWORD = @as(DWORD, @intCast(handles.len));
     switch (kernel32.WaitForMultipleObjectsEx(
         nCount,

Original file line number	Diff line number	Diff line change
`@@ -452,7 +452,8 @@ pub fn WaitForSingleObjectEx(handle: HANDLE, milliseconds: DWORD, alertable: boo`
`452`	`452`	`}`
`453`	`453`
`454`	`454`	`pub fn WaitForMultipleObjectsEx(handles: []const HANDLE, waitAll: bool, milliseconds: DWORD, alertable: bool) !u32 {`
`455`		`- assert(handles.len < MAXIMUM_WAIT_OBJECTS);`
	`455`	`+ assert(handles.len <= MAXIMUM_WAIT_OBJECTS);`
	`456`	`+ assert(handles.len != 0);`
`456`	`457`	`const nCount: DWORD = @as(DWORD, @intCast(handles.len));`
`457`	`458`	`switch (kernel32.WaitForMultipleObjectsEx(`
`458`	`459`	`nCount,`