EPOLL_CLOEXEC 2054 fs/eventpoll.c BUILD_BUG_ON(EPOLL_CLOEXEC != O_CLOEXEC); EPOLL_CLOEXEC 2056 fs/eventpoll.c if (flags & ~EPOLL_CLOEXEC) EPOLL_CLOEXEC 5507 tools/lib/bpf/libbpf.c pb->epoll_fd = epoll_create1(EPOLL_CLOEXEC); EPOLL_CLOEXEC 360 tools/testing/selftests/pidfd/pidfd_test.c int epoll_fd = epoll_create1(EPOLL_CLOEXEC);