Allow to disable the use of sun.misc.Unsafe (#272)
- Contributed by @normanmaurer - Added io.netty.noUnsafe property
This commit is contained in:
parent
42abb6df3a
commit
1d7067719b
@ -26,6 +26,9 @@ import java.util.zip.Deflater;
|
||||
* Utility that detects various properties specific to the current runtime
|
||||
* environment, such as Java version and the availability of the
|
||||
* {@code sun.misc.Unsafe} object.
|
||||
* <p>
|
||||
* You can disable the use of {@code sun.misc.Unsafe} if you specify
|
||||
* the system property <strong>io.netty.noUnsafe</strong>.
|
||||
*/
|
||||
public final class DetectionUtil {
|
||||
|
||||
@ -41,6 +44,20 @@ public final class DetectionUtil {
|
||||
}
|
||||
|
||||
private static boolean hasUnsafe(ClassLoader loader) {
|
||||
String value = SystemPropertyUtil.get("io.netty.noUnsafe");
|
||||
if (value != null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Legacy properties
|
||||
value = SystemPropertyUtil.get("io.netty.tryUnsafe");
|
||||
if (value == null) {
|
||||
value = SystemPropertyUtil.get("org.jboss.netty.tryUnsafe", "true");
|
||||
}
|
||||
if ("true".equalsIgnoreCase(value)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
try {
|
||||
Class<?> unsafeClazz = Class.forName("sun.misc.Unsafe", true, loader);
|
||||
return hasUnsafeField(unsafeClazz);
|
||||
|
Loading…
Reference in New Issue
Block a user