1 // Copyright (c) 2010 Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #include "client/mac/crash_generation/crash_generation_client.h" 31 32 #include "client/mac/crash_generation/crash_generation_server.h" 33 #include "common/mac/MachIPC.h" 34 35 namespace google_breakpad { 36 37 bool CrashGenerationClient::RequestDumpForException( 38 int exception_type, 39 int exception_code, 40 int exception_subcode, 41 mach_port_t crashing_thread) { 42 // The server will send a message to this port indicating that it 43 // has finished its work. 44 ReceivePort acknowledge_port; 45 46 MachSendMessage message(kDumpRequestMessage); 47 message.AddDescriptor(mach_task_self()); // this task 48 message.AddDescriptor(crashing_thread); // crashing thread 49 message.AddDescriptor(mach_thread_self()); // handler thread 50 message.AddDescriptor(acknowledge_port.GetPort()); // message receive port 51 52 ExceptionInfo info; 53 info.exception_type = exception_type; 54 info.exception_code = exception_code; 55 info.exception_subcode = exception_subcode; 56 message.SetData(&info, sizeof(info)); 57 58 const mach_msg_timeout_t kSendTimeoutMs = 2 * 1000; 59 kern_return_t result = sender_.SendMessage(message, kSendTimeoutMs); 60 if (result != KERN_SUCCESS) 61 return false; 62 63 // Give the server slightly longer to reply since it has to 64 // inspect this task and write the minidump. 65 const mach_msg_timeout_t kReceiveTimeoutMs = 5 * 1000; 66 MachReceiveMessage acknowledge_message; 67 result = acknowledge_port.WaitForMessage(&acknowledge_message, 68 kReceiveTimeoutMs); 69 return result == KERN_SUCCESS; 70 } 71 72 } // namespace google_breakpad 73
