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test/jdk/java/nicl/Upcall/CallbackSort.java

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  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @run main/othervm CallbackSort
  27  */
  28 
  29 import java.lang.invoke.MethodHandles;
  30 import java.nicl.Libraries;
  31 import java.nicl.NativeTypes;
  32 import java.nicl.Scope;
  33 import java.nicl.metadata.C;
  34 import java.nicl.metadata.CallingConvention;
  35 import java.nicl.metadata.NativeHeader;

  36 import java.nicl.metadata.NativeType;
  37 import java.nicl.types.Pointer;
  38 import java.util.Iterator;
  39 
  40 public class CallbackSort {
  41     private static final boolean DEBUG = Boolean.getBoolean("CallbackSort.DEBUG");
  42     private boolean upcallCalled = false;
  43 
  44     @NativeHeader
  45     public static interface stdlib {

  46         @FunctionalInterface
  47         static interface compar {
  48             @C(file="dummy", line=47, column=11, USR="c:@F@slowsort")
  49             @NativeType(layout="(p:Vp:V)i", ctype="int (void*,void*)", size=4l)
  50             @CallingConvention(value=1)
  51             public int fn(Pointer<Void> e1, Pointer<Void> e2);
  52         }
  53 
  54         @C(file="dummy", line=47, column=11, USR="c:@F@slowsort")
  55         @NativeType(layout="(p:VLLp:(p:Vp:V)i)V", ctype="void (void *, size_t, size_t, int (*)(const void *, const void *))", name="slowsort", size=1)
  56         @CallingConvention(value=1)
  57         public abstract void slowsort(Pointer<?> base, long nmemb, long size, compar compar);
  58     }
  59 
  60     public class comparator implements stdlib.compar {
  61         @Override
  62         public int fn(Pointer<Void> e1, Pointer<Void> e2) {
  63             upcallCalled = true;
  64 
  65             Pointer<Integer> p1 = e1.cast(NativeTypes.INT32);
  66             Pointer<Integer> p2 = e2.cast(NativeTypes.INT32);
  67 
  68             int i1 = p1.get();
  69             int i2 = p2.get();
  70 
  71             if (DEBUG) {
  72                 System.out.println("fn(i1=" + i1 + ", i2=" + i2 + ")");
  73             }
  74 
  75             return i1 - i2;
  76         }




  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @run main/othervm CallbackSort
  27  */
  28 
  29 import java.lang.invoke.MethodHandles;
  30 import java.nicl.Libraries;
  31 import java.nicl.NativeTypes;
  32 import java.nicl.Scope;
  33 import java.nicl.metadata.NativeCallback;

  34 import java.nicl.metadata.NativeHeader;
  35 import java.nicl.metadata.NativeLocation;
  36 import java.nicl.metadata.NativeType;
  37 import java.nicl.types.Pointer;
  38 import java.util.Iterator;
  39 
  40 public class CallbackSort {
  41     private static final boolean DEBUG = Boolean.getBoolean("CallbackSort.DEBUG");
  42     private boolean upcallCalled = false;
  43 
  44     @NativeHeader
  45     public static interface stdlib {
  46         @NativeCallback("(p:Vp:V)i")
  47         @FunctionalInterface
  48         static interface compar {
  49             @NativeLocation(file="dummy", line=47, column=11, USR="c:@F@slowsort")


  50             public int fn(Pointer<Void> e1, Pointer<Void> e2);
  51         }
  52 
  53         @NativeLocation(file="dummy", line=47, column=11, USR="c:@F@slowsort")
  54         @NativeType(layout="(p:VLLp:(p:Vp:V)i)V", ctype="void (void *, size_t, size_t, int (*)(const void *, const void *))", name="slowsort")

  55         public abstract void slowsort(Pointer<?> base, long nmemb, long size, compar compar);
  56     }
  57 
  58     public class comparator implements stdlib.compar {
  59         @Override
  60         public int fn(Pointer<Void> e1, Pointer<Void> e2) {
  61             upcallCalled = true;
  62 
  63             Pointer<Integer> p1 = e1.cast(NativeTypes.INT32);
  64             Pointer<Integer> p2 = e2.cast(NativeTypes.INT32);
  65 
  66             int i1 = p1.get();
  67             int i2 = p2.get();
  68 
  69             if (DEBUG) {
  70                 System.out.println("fn(i1=" + i1 + ", i2=" + i2 + ")");
  71             }
  72 
  73             return i1 - i2;
  74         }


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