/thirdparty/breakpad/client/solaris/handler/exception_handler_test.cc

  1// Copyright (c) 2007, Google Inc.
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  3//
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  5// modification, are permitted provided that the following conditions are
  6// met:
  7//
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  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.
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 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
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 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
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 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// Author: Alfred Peng
 31
 32#include <pthread.h>
 33#include <unistd.h>
 34
 35#include <cassert>
 36#include <cstdio>
 37#include <cstdlib>
 38#include <cstring>
 39
 40#include "client/solaris/handler/exception_handler.h"
 41#include "client/solaris/handler/solaris_lwp.h"
 42
 43using namespace google_breakpad;
 44
 45// Thread use this to see if it should stop working.
 46static bool should_exit = false;
 47
 48static int foo2(int arg) {
 49  // Stack variable, used for debugging stack dumps.
 50  int c = 0xcccccccc;
 51  fprintf(stderr, "Thread trying to crash: %x\n", getpid());
 52  c = *reinterpret_cast<int *>(0x5);
 53  return c;
 54}
 55
 56static int foo(int arg) {
 57  // Stack variable, used for debugging stack dumps.
 58  int b = 0xbbbbbbbb;
 59  b = foo2(b);
 60  return b;
 61}
 62
 63static void *thread_crash(void *) {
 64  // Stack variable, used for debugging stack dumps.
 65  int a = 0xaaaaaaaa;
 66  sleep(3);
 67  a = foo(a);
 68  printf("%x\n", a);
 69  return NULL;
 70}
 71
 72static void *thread_main(void *) {
 73  while (!should_exit)
 74    sleep(1);
 75  return NULL;
 76}
 77
 78static void CreateCrashThread() {
 79  pthread_t h;
 80  pthread_create(&h, NULL, thread_crash, NULL);
 81  pthread_detach(h);
 82}
 83
 84// Create working threads.
 85static void CreateThread(int num) {
 86  pthread_t h;
 87  for (int i = 0; i < num; ++i) {
 88    pthread_create(&h, NULL, thread_main, NULL);
 89    pthread_detach(h);
 90  }
 91}
 92
 93// Callback when minidump written.
 94static bool MinidumpCallback(const char *dump_path,
 95                             const char *minidump_id,
 96                             void *context,
 97                             bool succeeded) {
 98  int index = reinterpret_cast<int>(context);
 99  if (index == 0) {
100    should_exit = true;
101    return true;
102  }
103  // Don't process it.
104  return false;
105}
106
107int main(int argc, char *argv[]) {
108  int handler_index = 1;
109  ExceptionHandler handler_ignore(".", NULL, MinidumpCallback,
110                                  (void*)handler_index, true);
111  CreateCrashThread();
112  CreateThread(10);
113
114  while (true)
115    sleep(20);
116  should_exit = true;
117
118  return 0;
119}