src/java.base/unix/classes/java/lang/ProcessImpl.java

rev 14210 : 8154231: Simplify access to System properties from JDK code
Reviewed-by: rriggs

@@ -44,12 +44,14 @@
 import java.security.AccessController;
 import static java.security.AccessController.doPrivileged;
 import java.security.PrivilegedAction;
 import java.security.PrivilegedActionException;
 import java.security.PrivilegedExceptionAction;
+import java.util.Properties;
 import jdk.internal.misc.JavaIOFileDescriptorAccess;
 import jdk.internal.misc.SharedSecrets;
+import sun.security.action.GetPropertyAction;
 
 /**
  * java.lang.Process subclass in the UNIX environment.
  *
  * @author Mario Wolczko and Ross Knippel.

@@ -121,15 +123,13 @@
                     throw new AssertionError("Unsupported platform: " + this);
             }
         }
 
         String helperPath() {
-            return AccessController.doPrivileged(
-                (PrivilegedAction<String>) () ->
-                    helperPath(System.getProperty("java.home"),
-                               System.getProperty("os.arch"))
-            );
+            Properties props = GetPropertyAction.getProperties();
+            return helperPath(props.getProperty("java.home"),
+                              props.getProperty("os.arch"));
         }
 
         LaunchMechanism launchMechanism() {
             return AccessController.doPrivileged(
                 (PrivilegedAction<LaunchMechanism>) () -> {

@@ -157,13 +157,11 @@
                 }
             );
         }
 
         static Platform get() {
-            String osName = AccessController.doPrivileged(
-                (PrivilegedAction<String>) () -> System.getProperty("os.name")
-            );
+            String osName = GetPropertyAction.getProperty("os.name");
 
             if (osName.equals("Linux")) { return LINUX; }
             if (osName.contains("OS X")) { return BSD; }
             if (osName.equals("SunOS")) { return SOLARIS; }
             if (osName.equals("AIX")) { return AIX; }