/*
* Copyright ( c ) 2021 , 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 <sys/eventfd.h>
#include "jni.h"
#include "jni_util.h"
#include "jvm.h"
#include "jlong.h"
#include "nio.h"
#include "nio_util.h"
#include "sun_nio_ch_EventFD.h"
JNIEXPORT jint JNICALL
Java_sun_nio_ch_EventFD_eventfd0(JNIEnv *env, jclass klazz)
{
int efd = eventfd((uint64_t)0 , 0 );
if (efd == -1 ) {
JNU_ThrowIOExceptionWithLastError(env, "eventfd failed" );
return IOS_THROWN;
}
return efd;
}
JNIEXPORT jint JNICALL
Java_sun_nio_ch_EventFD_set0(JNIEnv *env, jclass klazz, jint efd)
{
uint64_t one = 1 ULL;
return convertReturnVal(env, write(efd, (void *)&one, sizeof (uint64_t)),
JNI_FALSE);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-05)
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