1 /* 2 * Copyright (c) 2005, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 # include "incls/_precompiled.incl" 26 # include "incls/_attachListener_linux.cpp.incl" 27 28 #include <unistd.h> 29 #include <signal.h> 30 #include <sys/types.h> 31 #include <sys/socket.h> 32 #include <sys/un.h> 33 #include <sys/stat.h> 34 35 #ifndef UNIX_PATH_MAX 36 #define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)0)->sun_path) 37 #endif 38 39 // The attach mechanism on Linux uses a UNIX domain socket. An attach listener 40 // thread is created at startup or is created on-demand via a signal from 41 // the client tool. The attach listener creates a socket and binds it to a file 42 // in the filesystem. The attach listener then acts as a simple (single- 43 // threaded) server - it waits for a client to connect, reads the request, 44 // executes it, and returns the response to the client via the socket 45 // connection. 46 // | 1 /* 2 * Copyright (c) 2005, 2010, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "runtime/interfaceSupport.hpp" 27 #include "runtime/os.hpp" 28 #include "services/attachListener.hpp" 29 #include "services/dtraceAttacher.hpp" 30 31 #include <unistd.h> 32 #include <signal.h> 33 #include <sys/types.h> 34 #include <sys/socket.h> 35 #include <sys/un.h> 36 #include <sys/stat.h> 37 38 #ifndef UNIX_PATH_MAX 39 #define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)0)->sun_path) 40 #endif 41 42 // The attach mechanism on Linux uses a UNIX domain socket. An attach listener 43 // thread is created at startup or is created on-demand via a signal from 44 // the client tool. The attach listener creates a socket and binds it to a file 45 // in the filesystem. The attach listener then acts as a simple (single- 46 // threaded) server - it waits for a client to connect, reads the request, 47 // executes it, and returns the response to the client via the socket 48 // connection. 49 // |