Signal.c

/*
 * Copyright (c) 1998, 2016, 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. Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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<signal.h>
#include<stdlib.h>

#include<jni.h>
#include<jvm.h>
#include<jni_util.h>
#include<jlong.h>
#include"jdk_internal_misc_Signal.h"

JNIEXPORTjintJNICALL
Java_jdk_internal_misc_Signal_findSignal0(JNIEnv*env, jclasscls, jstringname)
{
jintres;
constchar*cname;
if (name==NULL) {
JNU_ThrowNullPointerException(env, "name");
return0;
 }
cname= (*env)->GetStringUTFChars(env, name, 0);
if (cname==NULL) {
/* out of memory thrown */
return0;
 }
res=JVM_FindSignal(cname);
 (*env)->ReleaseStringUTFChars(env, name, cname);
returnres;
}

JNIEXPORTjlongJNICALL
Java_jdk_internal_misc_Signal_handle0(JNIEnv*env, jclasscls, jintsig, jlonghandler)
{
returnptr_to_jlong(JVM_RegisterSignal(sig, jlong_to_ptr(handler)));
}

JNIEXPORTvoidJNICALL
Java_jdk_internal_misc_Signal_raise0(JNIEnv*env, jclasscls, jintsig)
{
JVM_RaiseSignal(sig);
}