8274840: Update OS detection code to recognize Windows 11

Reviewed-by: phh Backport-of: 97ea9dd2f24f9f1fb9b9345a4202a825ee28e014
openjdk · Aug 30, 2022 · bd946fa · bd946fa · openjdk-notifier · Aug 30, 2022
1 parent 266918d
commit bd946fa
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/hotspot/src/os/windows/vm/os_windows.cpp b/hotspot/src/os/windows/vm/os_windows.cpp
@@ -1818,7 +1818,11 @@ void os::win32::print_windows_version(outputStream* st) {
 
   case 10000:
     if (is_workstation) {
-      st->print("10");
+      if (build_number >= 22000) {
+        st->print("11");
+      } else {
+        st->print("10");
+      }
     } else {
       // distinguish Windows Server by build number
       // - 2016 GA 10/2016 build: 14393

diff --git a/jdk/src/windows/native/java/lang/java_props_md.c b/jdk/src/windows/native/java/lang/java_props_md.c
@@ -473,6 +473,8 @@ GetJavaProperties(JNIEnv* env)
          * Windows Server 2012          6               2  (!VER_NT_WORKSTATION)
          * Windows Server 2012 R2       6               3  (!VER_NT_WORKSTATION)
          * Windows 10                   10              0  (VER_NT_WORKSTATION)
+         * Windows 11                   10              0  (VER_NT_WORKSTATION)
+         *       where (buildNumber >= 22000)
          * Windows Server 2016          10              0  (!VER_NT_WORKSTATION)
          * Windows Server 2019          10              0  (!VER_NT_WORKSTATION)
          *       where (buildNumber > 17762)
@@ -546,7 +548,14 @@ GetJavaProperties(JNIEnv* env)
             } else if (majorVersion == 10) {
                 if (is_workstation) {
                     switch (minorVersion) {
-                    case  0: sprops.os_name = "Windows 10";           break;
+                    case  0:
+                        /* Windows 11 21H2 (original release) build number is 22000 */
+                        if (buildNumber >= 22000) {
+                            sprops.os_name = "Windows 11";
+                        } else {
+                            sprops.os_name = "Windows 10";
+                        }
+                        break;
                     default: sprops.os_name = "Windows NT (unknown)";
                     }
                 } else {