* remove the close-on-exec flag in the child without also creating
* a file descriptor leak race condition in the parent. */
if (p[1-op] == 1-op) {
- int tmp = fcntl(F_DUPFD_CLOEXEC, 1-op, 0);
+ int tmp = fcntl(1-op, F_DUPFD_CLOEXEC, 0);
if (tmp < 0) {
e = errno;
goto fail;