1 /*
 2  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package wrap.opencl;
26 
27 import java.lang.foreign.Arena;
28 import java.lang.foreign.MemorySegment;
29 
30 import static java.lang.foreign.ValueLayout.JAVA_INT;
31 import static opencl.opencl_h.*;
32 
33 public record CLStatusPtr(MemorySegment ptr) {
34     public static CLStatusPtr of(Arena arena) {
35         return new CLStatusPtr(arena.allocateFrom(JAVA_INT, CL_SUCCESS()));
36     }
37 
38     public int set(int value) {
39         ptr.set(JAVA_INT, 0, value);
40         return value;
41     }
42 
43     public int get() {
44         return ptr.get(JAVA_INT, 0);
45     }
46 
47     public boolean isOK() {
48         return get() == CL_SUCCESS();
49     }
50 
51     public long sizeof() {
52         return JAVA_INT.byteSize();
53     }
54 }