1 // Copyright 2010 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #ifdef HAVE_CONFIG_H
30 #include <config.h> // Must come first
31 #endif
32
33 #include "client/mac/crash_generation/crash_generation_client.h"
34
35 #include "client/mac/crash_generation/crash_generation_server.h"
36 #include "common/mac/MachIPC.h"
37
38 namespace google_breakpad {
39
RequestDumpForException(int exception_type,int exception_code,int exception_subcode,mach_port_t crashing_thread)40 bool CrashGenerationClient::RequestDumpForException(
41 int exception_type,
42 int exception_code,
43 int exception_subcode,
44 mach_port_t crashing_thread) {
45 // The server will send a message to this port indicating that it
46 // has finished its work.
47 ReceivePort acknowledge_port;
48
49 MachSendMessage message(kDumpRequestMessage);
50 message.AddDescriptor(mach_task_self()); // this task
51 message.AddDescriptor(crashing_thread); // crashing thread
52 message.AddDescriptor(mach_thread_self()); // handler thread
53 message.AddDescriptor(acknowledge_port.GetPort()); // message receive port
54
55 ExceptionInfo info;
56 info.exception_type = exception_type;
57 info.exception_code = exception_code;
58 info.exception_subcode = exception_subcode;
59 message.SetData(&info, sizeof(info));
60
61 const mach_msg_timeout_t kSendTimeoutMs = 2 * 1000;
62 kern_return_t result = sender_.SendMessage(message, kSendTimeoutMs);
63 if (result != KERN_SUCCESS)
64 return false;
65
66 // Give the server slightly longer to reply since it has to
67 // inspect this task and write the minidump.
68 const mach_msg_timeout_t kReceiveTimeoutMs = 5 * 1000;
69 MachReceiveMessage acknowledge_message;
70 result = acknowledge_port.WaitForMessage(&acknowledge_message,
71 kReceiveTimeoutMs);
72 return result == KERN_SUCCESS;
73 }
74
75 } // namespace google_breakpad
76