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  // minidump_generator_test_helper.cc: A helper program that
30  //   minidump_generator_test.cc can launch to test certain things
31  //   that require a separate executable.
32  
33  #ifdef HAVE_CONFIG_H
34  #include <config.h>  // Must come first
35  #endif
36  
37  #include <unistd.h>
38  
39  #include "client/mac/handler/exception_handler.h"
40  #include "common/mac/MachIPC.h"
41  
42  using google_breakpad::MachPortSender;
43  using google_breakpad::MachReceiveMessage;
44  using google_breakpad::MachSendMessage;
45  using google_breakpad::ReceivePort;
46  
47  int main(int argc, char** argv) {
48    if (argc < 2)
49      return 1;
50  
51    if (strcmp(argv[1], "crash") != 0) {
52      const int kTimeoutMs = 2000;
53      // Send parent process the task and thread ports.
54      MachSendMessage child_message(0);
55      child_message.AddDescriptor(mach_task_self());
56      child_message.AddDescriptor(mach_thread_self());
57  
58      MachPortSender child_sender(argv[1]);
59      if (child_sender.SendMessage(child_message, kTimeoutMs) != KERN_SUCCESS) {
60        fprintf(stderr, "Error sending message from child process!\n");
61        exit(1);
62      }
63  
64      // Loop forever.
65      while (true) {
66        sleep(100);
67      }
68    } else if (argc == 3 && strcmp(argv[1], "crash") == 0) {
69      // Instantiate an OOP exception handler
70      google_breakpad::ExceptionHandler eh("", NULL, NULL, NULL, true, argv[2]);
71      // and crash.
72      int *a = (int*)0x42;
73      *a = 1;
74    }
75  
76    return 0;
77  }