/* * Copyright (c) 2003, 2019, 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"jni_util.h"
/* * Macros to use the right data type for file descriptors
*/ #define FD jint
/* * Prototypes for functions in io_util_md.c called from io_util.c, * FileDescriptor.c, FileInputStream.c, FileOutputStream.c, * UnixFileSystem_md.c
*/
ssize_t handleWrite(FD fd, constvoid *buf, jint len);
ssize_t handleRead(FD fd, void *buf, jint len);
jint handleAvailable(FD fd, jlong *pbytes);
jint handleSetLength(FD fd, jlong length);
jlong handleGetLength(FD fd);
FD handleOpen(constchar *path, int oflag, int mode);
/* * Functions to get fd from the java.io.FileDescriptor field * of an object. These functions rely on having an appropriately * defined object with a FileDescriptor object at the fid offset. * If the FD object is null, return -1 to avoid crashing VM.
*/
FD getFD(JNIEnv *env, jobject cur, jfieldID fid);
/* * Macros to set/get fd when inside java.io.FileDescriptor
*/ #define THIS_FD(obj) (*env)->GetIntField(env, obj, IO_fd_fdID)
/* * On Solaris, the handle field is unused
*/ #define SET_HANDLE(fd) return (jlong)-1
/* * Retry the operation if it is interrupted
*/ #define RESTARTABLE(_cmd, _result) \ do { \
_result = _cmd; \
} while ((_result == -1) && (errno == EINTR))
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
