src/java.base/share/native/libjava/check_version.c
changeset 47216 71c04702a3d5
parent 33653 c1ee09fe3274
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libjava/check_version.c	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "jni.h"
+#include "jni_util.h"
+#include "jvm.h"
+
+JNIEXPORT jint JNICALL
+DEF_JNI_OnLoad(JavaVM *vm, void *reserved)
+{
+    jint vm_version = JVM_GetInterfaceVersion();
+    if (vm_version != JVM_INTERFACE_VERSION) {
+        JNIEnv *env;
+        char buf[128];
+        sprintf(buf, "JVM interface version mismatch: expecting %d, got %d.",
+                JVM_INTERFACE_VERSION, (int)vm_version);
+        (*vm)->GetEnv(vm, (void **)&env, JNI_VERSION_1_2);
+        if (env) {
+            (*env)->FatalError(env, buf);
+        }
+    }
+    return JNI_VERSION_1_2;
+}