| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
|---|---|
| 2 | #include "test.h" |
| 3 | #include <fcntl.h> |
| 4 | #include <sys/stat.h> |
| 5 | #include <sys/types.h> |
| 6 | |
| 7 | void *Thread(void *arg) { |
| 8 | char buf; |
| 9 | read(fd: (long)arg, buf: &buf, nbytes: 1); |
| 10 | barrier_wait(barrier: &barrier); |
| 11 | return NULL; |
| 12 | } |
| 13 | |
| 14 | int main() { |
| 15 | barrier_init(barrier: &barrier, count: 2); |
| 16 | int fd = open(file: "/dev/random", O_RDONLY); |
| 17 | pthread_t t; |
| 18 | pthread_create(newthread: &t, NULL, start_routine: Thread, arg: (void *)(long)fd); |
| 19 | barrier_wait(barrier: &barrier); |
| 20 | close(fd: fd); |
| 21 | pthread_join(th: t, NULL); |
| 22 | fprintf(stderr, format: "DONE\n"); |
| 23 | } |
| 24 | |
| 25 | // CHECK: WARNING: ThreadSanitizer: data race |
| 26 | // CHECK: DONE |
| 27 |