1 /*
2 * Copyright (c) 1995, 2019, 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
77 /* indicates connection reset state */
78 private volatile boolean connectionReset;
79
80 /* indicates whether impl is bound */
81 boolean isBound;
82
83 /* indicates whether impl is connected */
84 volatile boolean isConnected;
85
86 /* whether this Socket is a stream (TCP) socket or not (UDP)
87 */
88 protected boolean stream;
89
90 /* whether this is a server or not */
91 final boolean isServer;
92
93 /**
94 * Load net library into runtime.
95 */
96 static {
97 jdk.internal.loader.BootLoader.loadLibrary("net");
98 }
99
100 private static volatile boolean checkedReusePort;
101 private static volatile boolean isReusePortAvailable;
102
103 /**
104 * Tells whether SO_REUSEPORT is supported.
105 */
106 static boolean isReusePortAvailable() {
107 if (!checkedReusePort) {
108 isReusePortAvailable = isReusePortAvailable0();
109 checkedReusePort = true;
110 }
111 return isReusePortAvailable;
112 }
113
114 AbstractPlainSocketImpl(boolean isServer) {
115 this.isServer = isServer;
116 }
117
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1 /*
2 * Copyright (c) 1995, 2020, 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
77 /* indicates connection reset state */
78 private volatile boolean connectionReset;
79
80 /* indicates whether impl is bound */
81 boolean isBound;
82
83 /* indicates whether impl is connected */
84 volatile boolean isConnected;
85
86 /* whether this Socket is a stream (TCP) socket or not (UDP)
87 */
88 protected boolean stream;
89
90 /* whether this is a server or not */
91 final boolean isServer;
92
93 /**
94 * Load net library into runtime.
95 */
96 static {
97 sun.security.action.LoadLibraryAction.privilegedLoadLibrary("net");
98 }
99
100 private static volatile boolean checkedReusePort;
101 private static volatile boolean isReusePortAvailable;
102
103 /**
104 * Tells whether SO_REUSEPORT is supported.
105 */
106 static boolean isReusePortAvailable() {
107 if (!checkedReusePort) {
108 isReusePortAvailable = isReusePortAvailable0();
109 checkedReusePort = true;
110 }
111 return isReusePortAvailable;
112 }
113
114 AbstractPlainSocketImpl(boolean isServer) {
115 this.isServer = isServer;
116 }
117
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