1 /*
2  * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include "jni.h"
27 #include "jni_util.h"
28 #include "jvm.h"
29 #include "jlong.h"
30 #include <errno.h>
31 #include <sys/types.h>
32 
33 #define RESTARTABLE(_cmd, _result) do { \
34   do { \
35     _result = _cmd; \
36   } while((_result == -1) && (errno == EINTR)); \
37 } while(0)
38 
39 
40 /* NIO utility procedures */
41 
42 
43 /* Defined in IOUtil.c */
44 
45 jint fdval(JNIEnv *env, jobject fdo);
46 
47 jint convertReturnVal(JNIEnv *env, jint n, jboolean reading);
48 jlong convertLongReturnVal(JNIEnv *env, jlong n, jboolean reading);
49 
50 
51 /* Defined in Net.c */
52 
53 jint handleSocketError(JNIEnv *env, jint errorValue);
54 
55 jint handleSocketErrorWithDefault(JNIEnv *env, jint errorValue,
56                                   const char *defaultException);
57