1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2 #include <pthread.h> 3 #include <sanitizer/tsan_interface.h> 4 #include <stdio.h> 5 6 #if (__APPLE__) 7 __attribute__((weak)) 8 #endif __tsan_default_options()9extern "C" const char *__tsan_default_options() { 10 return "report_bugs=0"; 11 } 12 13 int Global; 14 Thread1(void * x)15void *Thread1(void *x) { 16 Global = 42; 17 return NULL; 18 } 19 Thread2(void * x)20void *Thread2(void *x) { 21 Global = 43; 22 return NULL; 23 } 24 main()25int main() { 26 pthread_t t[2]; 27 pthread_create(&t[0], NULL, Thread1, NULL); 28 pthread_create(&t[1], NULL, Thread2, NULL); 29 pthread_join(t[0], NULL); 30 pthread_join(t[1], NULL); 31 fprintf(stderr, "DONE\n"); 32 return 0; 33 } 34 35 // CHECK-NOT: WARNING: ThreadSanitizer: data race 36 // CHECK: DONE 37