1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "test.h" 3 4 int fds[2]; 5 6 void *Thread1(void *x) { 7 write(fds[1], "a", 1); 8 barrier_wait(&barrier); 9 return NULL; 10 } 11 12 void *Thread2(void *x) { 13 barrier_wait(&barrier); 14 close(fds[0]); 15 close(fds[1]); 16 return NULL; 17 } 18 19 int main() { 20 barrier_init(&barrier, 2); 21 pipe(fds); 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 } 28 29 // CHECK: WARNING: ThreadSanitizer: data race 30 // CHECK: Write of size 8 31 // CHECK: #0 close 32 // CHECK: #1 Thread2 33 // CHECK: Previous read of size 8 34 // CHECK: #0 write 35 // CHECK: #1 Thread1 36 37 38
