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test/hotspot/jtreg/runtime/jni/registerNativesWarning/libregisterNativesWarning.c

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10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
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 #include <stdio.h>
25 
26 #include "jni.h"
27 
28 /*
29  * We will replace:
30  *   java/lang/Thread.java:    public static native void yield();
31  *
32  * as it is simple and innocuous.
33  */
34 static void myYield(JNIEnv* env, jclass cls) {
35   printf("myYield executed\n");
36 }
37 
38 
39 JNIEXPORT void JNICALL
40 Java_TestRegisterNativesWarning_test
41 (JNIEnv *env, jclass cls, jclass jlThread) {
42   JNINativeMethod nativeMethods[] = {
43     {
44       (char*) "yield",  // name
45       (char*) "()V",    // sig
46       (void*) myYield   // native method ptr
47     }
48   };
49   (*env)->RegisterNatives(env, jlThread, nativeMethods, 1);
50 }

10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
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 #include <stdio.h>
25 
26 #include "jni.h"
27 
28 /*
29  * We will replace:
30  *   java/lang/Thread.java:    private static native void yield0();
31  *
32  * as it is simple and innocuous.
33  */
34 static void myYield(JNIEnv* env, jclass cls) {
35   printf("myYield executed\n");
36 }
37 
38 
39 JNIEXPORT void JNICALL
40 Java_TestRegisterNativesWarning_test
41 (JNIEnv *env, jclass cls, jclass jlThread) {
42   JNINativeMethod nativeMethods[] = {
43     {
44       (char*) "yield0", // name
45       (char*) "()V",    // sig
46       (void*) myYield   // native method ptr
47     }
48   };
49   (*env)->RegisterNatives(env, jlThread, nativeMethods, 1);
50 }
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