84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* gnu_java_nio_VMPipe.c - Native methods for PipeImpl class
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <jni.h>
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#include <jcl.h>
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#include "gnu_java_nio_VMPipe.h"
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#define IO_EXCEPTION "java/io/IOException"
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/*
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* Class: gnu_java_nio_VMPipe
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* Method: pipe0
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* Signature: ()[I
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*/
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JNIEXPORT jintArray JNICALL
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Java_gnu_java_nio_VMPipe_pipe0 (JNIEnv *env,
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jclass c __attribute__((unused)))
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{
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int fd[2];
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jintArray array;
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jint* elem;
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int ret;
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/* FIXME: autoconf this? */
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ret = pipe (fd);
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if (ret == -1)
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{
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JCL_ThrowException (env, "java/io/IOException", strerror (errno));
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return NULL;
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}
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array = (*env)->NewIntArray (env, 2);
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elem = (*env)->GetIntArrayElements (env, array, NULL);
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elem[0] = fd[0];
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elem[1] = fd[1];
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(*env)->ReleaseIntArrayElements (env, array, elem, 0);
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return array;
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}
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