| #include <pthread.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| |
| void *Thread1(void *x) { |
| int f = open("/dev/random", O_RDONLY); |
| close(f); |
| return NULL; |
| } |
| |
| void *Thread2(void *x) { |
| sleep(1); |
| int f = open("/dev/random", O_RDONLY); |
| close(f); |
| return NULL; |
| } |
| |
| int main() { |
| pthread_t t[2]; |
| pthread_create(&t[0], NULL, Thread1, NULL); |
| pthread_create(&t[1], NULL, Thread2, NULL); |
| pthread_join(t[0], NULL); |
| pthread_join(t[1], NULL); |
| fprintf(stderr, "OK\n"); |
| } |
| |
| /* { dg-prune-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */ |