1 // RUN: %clangxx_tsan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s 2 #include "test.h" 3 4 const int kThreads = 16; 5 const int kIters = 1000; 6 7 volatile int X = 0; 8 thr(void * arg)9void *thr(void *arg) { 10 for (int i = 0; i < kIters; i++) 11 X++; 12 return 0; 13 } 14 main()15int main() { 16 pthread_t th[kThreads]; 17 for (int i = 0; i < kThreads; i++) 18 pthread_create(&th[i], 0, thr, 0); 19 for (int i = 0; i < kThreads; i++) 20 pthread_join(th[i], 0); 21 fprintf(stderr, "DONE\n"); 22 } 23 24 // CHECK: ThreadSanitizer: data race 25 // CHECK: DONE 26