1 // Copyright 2007 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 // Author: Alfred Peng
30
31 #ifdef HAVE_CONFIG_H
32 #include <config.h> // Must come first
33 #endif
34
35 #include <pthread.h>
36 #include <unistd.h>
37
38 #include <cassert>
39 #include <cstdio>
40 #include <cstdlib>
41 #include <cstring>
42
43 #include "client/solaris/handler/exception_handler.h"
44 #include "client/solaris/handler/solaris_lwp.h"
45
46 using namespace google_breakpad;
47
48 // Thread use this to see if it should stop working.
49 static bool should_exit = false;
50
foo2(int arg)51 static int foo2(int arg) {
52 // Stack variable, used for debugging stack dumps.
53 int c = 0xcccccccc;
54 fprintf(stderr, "Thread trying to crash: %x\n", getpid());
55 c = *reinterpret_cast<int*>(0x5);
56 return c;
57 }
58
foo(int arg)59 static int foo(int arg) {
60 // Stack variable, used for debugging stack dumps.
61 int b = 0xbbbbbbbb;
62 b = foo2(b);
63 return b;
64 }
65
thread_crash(void *)66 static void* thread_crash(void*) {
67 // Stack variable, used for debugging stack dumps.
68 int a = 0xaaaaaaaa;
69 sleep(3);
70 a = foo(a);
71 printf("%x\n", a);
72 return NULL;
73 }
74
thread_main(void *)75 static void* thread_main(void*) {
76 while (!should_exit)
77 sleep(1);
78 return NULL;
79 }
80
CreateCrashThread()81 static void CreateCrashThread() {
82 pthread_t h;
83 pthread_create(&h, NULL, thread_crash, NULL);
84 pthread_detach(h);
85 }
86
87 // Create working threads.
CreateThread(int num)88 static void CreateThread(int num) {
89 pthread_t h;
90 for (int i = 0; i < num; ++i) {
91 pthread_create(&h, NULL, thread_main, NULL);
92 pthread_detach(h);
93 }
94 }
95
96 // Callback when minidump written.
MinidumpCallback(const char * dump_path,const char * minidump_id,void * context,bool succeeded)97 static bool MinidumpCallback(const char* dump_path,
98 const char* minidump_id,
99 void* context,
100 bool succeeded) {
101 int index = reinterpret_cast<int>(context);
102 if (index == 0) {
103 should_exit = true;
104 return true;
105 }
106 // Don't process it.
107 return false;
108 }
109
main(int argc,char * argv[])110 int main(int argc, char* argv[]) {
111 int handler_index = 1;
112 ExceptionHandler handler_ignore(".", NULL, MinidumpCallback,
113 (void*)handler_index, true);
114 CreateCrashThread();
115 CreateThread(10);
116
117 while (true)
118 sleep(20);
119 should_exit = true;
120
121 return 0;
122 }
123