1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2 #include "test.h" 3 #include <sys/types.h> 4 #include <sys/stat.h> 5 #include <fcntl.h> 6 7 void *Thread1(void *x) { 8 int f = open("/dev/random", O_RDONLY); 9 close(f); 10 barrier_wait(&barrier); 11 return NULL; 12 } 13 14 void *Thread2(void *x) { 15 barrier_wait(&barrier); 16 int f = open("/dev/random", O_RDONLY); 17 close(f); 18 return NULL; 19 } 20 21 int main() { 22 barrier_init(&barrier, 2); 23 pthread_t t[2]; 24 pthread_create(&t[0], NULL, Thread1, NULL); 25 pthread_create(&t[1], NULL, Thread2, NULL); 26 pthread_join(t[0], NULL); 27 pthread_join(t[1], NULL); 28 printf("OK\n"); 29 } 30 31 // CHECK-NOT: WARNING: ThreadSanitizer: data race 32 33 34
