diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c index 28cd630..e2176da 100644 --- a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c +++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c @@ -1,30 +1,35 @@ /* { dg-shouldfail "tsan" } */ +/* { dg-additional-options "-ldl" } */ #include <pthread.h> -#include <stdio.h> #include <unistd.h> +#include "tsan_barrier.h" +static pthread_barrier_t barrier; int fds[2]; void *Thread1(void *x) { write(fds[1], "a", 1); + barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { - sleep(1); + barrier_wait(&barrier); close(fds[0]); close(fds[1]); return NULL; } int main() { + barrier_init(&barrier, 2); pipe(fds); 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); + return 0; } /* { dg-output "WARNING: ThreadSanitizer: data race.*\n" } */ |