1 /*
2 * Copyright (c) 2005, 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
139 if (fd == -1) {
140 JNU_ThrowIOExceptionWithLastError(env, "socket");
141 }
142 return (jint)fd;
143 }
144
145 /*
146 * Class: sun_tools_attach_LinuxVirtualMachine
147 * Method: connect
148 * Signature: (ILjava/lang/String;)I
149 */
150 JNIEXPORT void JNICALL Java_sun_tools_attach_LinuxVirtualMachine_connect
151 (JNIEnv *env, jclass cls, jint fd, jstring path)
152 {
153 jboolean isCopy;
154 const char* p = GetStringPlatformChars(env, path, &isCopy);
155 if (p != NULL) {
156 struct sockaddr_un addr;
157 int err = 0;
158
159 addr.sun_family = AF_UNIX;
160 strcpy(addr.sun_path, p);
161
162 if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
163 err = errno;
164 }
165
166 if (isCopy) {
167 JNU_ReleaseStringPlatformChars(env, path, p);
168 }
169
170 /*
171 * If the connect failed then we throw the appropriate exception
172 * here (can't throw it before releasing the string as can't call
173 * JNI with pending exception)
174 */
175 if (err != 0) {
176 if (err == ENOENT) {
177 JNU_ThrowByName(env, "java/io/FileNotFoundException", NULL);
178 } else {
179 char* msg = strdup(strerror(err));
180 JNU_ThrowIOException(env, msg);
|
1 /*
2 * Copyright (c) 2005, 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
139 if (fd == -1) {
140 JNU_ThrowIOExceptionWithLastError(env, "socket");
141 }
142 return (jint)fd;
143 }
144
145 /*
146 * Class: sun_tools_attach_LinuxVirtualMachine
147 * Method: connect
148 * Signature: (ILjava/lang/String;)I
149 */
150 JNIEXPORT void JNICALL Java_sun_tools_attach_LinuxVirtualMachine_connect
151 (JNIEnv *env, jclass cls, jint fd, jstring path)
152 {
153 jboolean isCopy;
154 const char* p = GetStringPlatformChars(env, path, &isCopy);
155 if (p != NULL) {
156 struct sockaddr_un addr;
157 int err = 0;
158
159 memset(&addr, 0, sizeof(addr));
160 addr.sun_family = AF_UNIX;
161 /* strncpy is safe because addr.sun_path was zero-initialized before. */
162 strncpy(addr.sun_path, p, sizeof(addr.sun_path) - 1);
163
164 if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
165 err = errno;
166 }
167
168 if (isCopy) {
169 JNU_ReleaseStringPlatformChars(env, path, p);
170 }
171
172 /*
173 * If the connect failed then we throw the appropriate exception
174 * here (can't throw it before releasing the string as can't call
175 * JNI with pending exception)
176 */
177 if (err != 0) {
178 if (err == ENOENT) {
179 JNU_ThrowByName(env, "java/io/FileNotFoundException", NULL);
180 } else {
181 char* msg = strdup(strerror(err));
182 JNU_ThrowIOException(env, msg);
|