1 /*
2 * Copyright (c) 2013, 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
80 * @param display the connection to X11 server which should be stored
81 */
82 private static void init(long display) {
83 SunToolkit.awtLock();
84 try {
85 if (!initPassed) {
86 XErrorHandlerUtil.display = display;
87 saved_error_handler = XlibWrapper.SetToolkitErrorHandler();
88 initPassed = true;
89 }
90 } finally {
91 SunToolkit.awtUnlock();
92 }
93 }
94
95 /**
96 * Sets a synthetic error handler. Must be called with the acquired AWT lock.
97 * @param handler the synthetic error handler to set
98 */
99 public static void WITH_XERROR_HANDLER(XErrorHandler handler) {
100 saved_error = null;
101 current_error_handler = handler;
102 }
103
104 /**
105 * Unsets a current synthetic error handler. Must be called with the acquired AWT lock.
106 */
107 public static void RESTORE_XERROR_HANDLER() {
108 RESTORE_XERROR_HANDLER(true);
109 }
110
111 private static void RESTORE_XERROR_HANDLER(boolean doXSync) {
112 if (doXSync) {
113 // Wait until all requests are processed by the X server
114 // and only then uninstall the error handler.
115 XSync();
116 }
117 current_error_handler = null;
118 }
119
120 /**
121 * Should be called under LOCK.
122 */
123 public static int SAVED_XERROR_HANDLER(long display, XErrorEvent error) {
124 if (saved_error_handler != 0) {
125 // Default XErrorHandler may just terminate the process. Don't call it.
126 // return XlibWrapper.CallErrorHandler(saved_error_handler, display, error.pData);
127 }
128 if (log.isLoggable(PlatformLogger.Level.FINE)) {
129 log.fine("Unhandled XErrorEvent: " +
130 "id=" + error.get_resourceid() + ", " +
131 "serial=" + error.get_serial() + ", " +
132 "ec=" + error.get_error_code() + ", " +
133 "rc=" + error.get_request_code() + ", " +
134 "mc=" + error.get_minor_code());
135 }
136 return 0;
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1 /*
2 * Copyright (c) 2014, 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
80 * @param display the connection to X11 server which should be stored
81 */
82 private static void init(long display) {
83 SunToolkit.awtLock();
84 try {
85 if (!initPassed) {
86 XErrorHandlerUtil.display = display;
87 saved_error_handler = XlibWrapper.SetToolkitErrorHandler();
88 initPassed = true;
89 }
90 } finally {
91 SunToolkit.awtUnlock();
92 }
93 }
94
95 /**
96 * Sets a synthetic error handler. Must be called with the acquired AWT lock.
97 * @param handler the synthetic error handler to set
98 */
99 public static void WITH_XERROR_HANDLER(XErrorHandler handler) {
100 XSync();
101 saved_error = null;
102 current_error_handler = handler;
103 }
104
105 /**
106 * Unsets a current synthetic error handler. Must be called with the acquired AWT lock.
107 */
108 public static void RESTORE_XERROR_HANDLER() {
109 // Wait until all requests are processed by the X server
110 // and only then uninstall the error handler.
111 XSync();
112 current_error_handler = null;
113 }
114
115 /**
116 * Should be called under LOCK.
117 */
118 public static int SAVED_XERROR_HANDLER(long display, XErrorEvent error) {
119 if (saved_error_handler != 0) {
120 // Default XErrorHandler may just terminate the process. Don't call it.
121 // return XlibWrapper.CallErrorHandler(saved_error_handler, display, error.pData);
122 }
123 if (log.isLoggable(PlatformLogger.Level.FINE)) {
124 log.fine("Unhandled XErrorEvent: " +
125 "id=" + error.get_resourceid() + ", " +
126 "serial=" + error.get_serial() + ", " +
127 "ec=" + error.get_error_code() + ", " +
128 "rc=" + error.get_request_code() + ", " +
129 "mc=" + error.get_minor_code());
130 }
131 return 0;
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