src/java.base/share/native/libjava/Signal.c
author rriggs
Fri, 09 Nov 2018 13:28:16 -0500
changeset 52478 b915bd68d907
parent 47216 71c04702a3d5
permissions -rw-r--r--
8185496: Improve performance of system properties initialization in initPhase1 8213424: VersionProps duplicate and skipped initialization Reviewed-by: mchung, redestad, dholmes
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/*
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 * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#include <signal.h>
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#include <stdlib.h>
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#include <jni.h>
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#include <jvm.h>
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#include <jni_util.h>
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#include <jlong.h>
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#include "jdk_internal_misc_Signal.h"
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JNIEXPORT jint JNICALL
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Java_jdk_internal_misc_Signal_findSignal0(JNIEnv *env, jclass cls, jstring name)
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{
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    jint res;
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    const char *cname;
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    if (name == NULL) {
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        JNU_ThrowNullPointerException(env, "name");
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        return 0;
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    }
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    cname = (*env)->GetStringUTFChars(env, name, 0);
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    if (cname == NULL) {
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        /* out of memory thrown */
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        return 0;
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    }
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    res = JVM_FindSignal(cname);
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    (*env)->ReleaseStringUTFChars(env, name, cname);
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    return res;
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}
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JNIEXPORT jlong JNICALL
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Java_jdk_internal_misc_Signal_handle0(JNIEnv *env, jclass cls, jint sig, jlong handler)
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{
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    return ptr_to_jlong(JVM_RegisterSignal(sig, jlong_to_ptr(handler)));
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}
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JNIEXPORT void JNICALL
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Java_jdk_internal_misc_Signal_raise0(JNIEnv *env, jclass cls, jint sig)
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{
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    JVM_RaiseSignal(sig);
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}