1 // RUN: %clang_tsan -O1 %s -o %t && TSAN_OPTIONS="$TSAN_OPTIONS suppressions=%s.supp" %t 2>&1 | FileCheck %s 2 #include <pthread.h> 3 #include <stdio.h> 4 #include <unistd.h> 5 6 int Global; 7 8 void *Thread1(void *x) { 9 Global = 42; 10 return NULL; 11 } 12 13 void *Thread2(void *x) { 14 sleep(1); 15 Global = 43; 16 return NULL; 17 } 18 19 int main() { 20 pthread_t t[2]; 21 pthread_create(&t[0], NULL, Thread1, NULL); 22 pthread_create(&t[1], NULL, Thread2, NULL); 23 pthread_join(t[0], NULL); 24 pthread_join(t[1], NULL); 25 printf("OK\n"); 26 return 0; 27 } 28 29 // CHECK-NOT: failed to open suppressions file 30 // CHECK-NOT: WARNING: ThreadSanitizer: data race 31 32