libNativeThread.c

/*
 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
#include<jni.h>
#include<signal.h>
#include<stdlib.h>
#if  defined(__linux__) || defined(_ALLBSD_SOURCE) || defined(_AIX)
#include <pthread.h>
#endif

/*
 * Class:     NativeThread
 * Method:    getID
 * Signature: ()J
 */
JNIEXPORT jlong JNICALL Java_NativeThread_getID(JNIEnv *env, jclass class)
{
    #if  defined(__linux__) || defined(_ALLBSD_SOURCE) || defined(_AIX)
        return (jlong)pthread_self();
    #else
        return 0;
    #endif
}

/*
 * Class:     NativeThread
 * Method:    signal
 * Signature: (JI)I
 */
JNIEXPORT jint JNICALL Java_NativeThread_signal(JNIEnv *env, jclass class, jlong thread, jint sig)
{
    #if  defined(__linux__) || defined(_ALLBSD_SOURCE) || defined(_AIX)
        return pthread_kill((pthread_t)thread, sig);
    #else
        return 0;
    #endif
}

/*
 * Class:     NativeThread
 * Method:    getSIGPIPE
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_NativeThread_getSIGPIPE(JNIEnv *env, jclass class)
{
    #if  defined(__linux__) || defined(_ALLBSD_SOURCE) || defined(_AIX)
        return SIGPIPE;
    #else
        return 0;
    #endif
}