1 /*
2  * Test program for std::atomic<>
3  *
4  * See also https://bugs.kde.org/show_bug.cgi?id=328490.
5  */
6 
7 #include "../drd.h"
8 #include <atomic>
9 #include <iostream>
10 #include <string>
11 #include <pthread.h>
12 
13 std::atomic<bool> g_b;
14 
15 void *func1(void *instance)
16 {
17   while (!g_b) {
18     timespec delay = { 0, 100 * 1000 * 1000 };
19     nanosleep(&delay, NULL);
20   }
21   return NULL;
22 }
23 
24 void *func2(void *instance)
25 {
26   g_b = true;
27   return NULL;
28 }
29 
30 int main(int argc, char* argv[])
31 {
32   int err;
33   pthread_t thread1;
34   pthread_t thread2;
35 
36   std::cerr << "Started.\n";
37 
38   if (argc > 1)
39     DRD_IGNORE_VAR(g_b);
40 
41   err = pthread_create(&thread1, NULL, &func1, NULL);
42   if (err != 0)
43     throw std::string("failed to create a thread.");
44   err = pthread_create(&thread2, NULL, &func2, NULL);
45   if (err != 0)
46     throw std::string("failed to create a thread.");
47 
48   err = pthread_join(thread1, NULL);
49   if (err != 0)
50     throw std::string("Thread::join(): failed to join.");
51   err = pthread_join(thread2, NULL);
52   if (err != 0)
53     throw std::string("Thread::join(): failed to join.");
54 
55   std::cerr << "Done.\n";
56 }
57