1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2#include <pthread.h> 3#include <stdio.h> 4 5extern "C" const char *__tsan_default_options() { 6 return "report_bugs=0"; 7} 8 9int Global; 10 11void *Thread1(void *x) { 12 Global = 42; 13 return NULL; 14} 15 16void *Thread2(void *x) { 17 Global = 43; 18 return NULL; 19} 20 21int main() { 22 pthread_t t[2]; 23 pthread_create(&t[0], NULL, Thread1, NULL); 24 pthread_create(&t[1], NULL, Thread2, NULL); 25 pthread_join(t[0], NULL); 26 pthread_join(t[1], NULL); 27 fprintf(stderr, "DONE\n"); 28 return 0; 29} 30 31// CHECK-NOT: WARNING: ThreadSanitizer: data race 32// CHECK: DONE 33