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1 // Copyright (c) 2007, 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 // 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 
43 using namespace google_breakpad;
44 
45 // Thread use this to see if it should stop working.
46 static bool should_exit = false;
47 
foo2(int arg)48 static 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 
foo(int arg)56 static 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 
thread_crash(void *)63 static 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 
thread_main(void *)72 static void *thread_main(void *) {
73   while (!should_exit)
74     sleep(1);
75   return NULL;
76 }
77 
CreateCrashThread()78 static void CreateCrashThread() {
79   pthread_t h;
80   pthread_create(&h, NULL, thread_crash, NULL);
81   pthread_detach(h);
82 }
83 
84 // Create working threads.
CreateThread(int num)85 static 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.
MinidumpCallback(const char * dump_path,const char * minidump_id,void * context,bool succeeded)94 static 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 
main(int argc,char * argv[])107 int 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 }
120