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
RequestDumpForException(int exception_type,int exception_code,int exception_subcode,mach_port_t crashing_thread)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