pipe_fds 209 tools/testing/selftests/pidfd/pidfd_test.c int pipe_fds[2]; pipe_fds 213 tools/testing/selftests/pidfd/pidfd_test.c ret = pipe2(pipe_fds, O_CLOEXEC); pipe_fds 222 tools/testing/selftests/pidfd/pidfd_test.c close(pipe_fds[1]); pipe_fds 223 tools/testing/selftests/pidfd/pidfd_test.c (void)read(pipe_fds[0], &c, 1); pipe_fds 224 tools/testing/selftests/pidfd/pidfd_test.c close(pipe_fds[0]); pipe_fds 233 tools/testing/selftests/pidfd/pidfd_test.c close(pipe_fds[0]); pipe_fds 235 tools/testing/selftests/pidfd/pidfd_test.c close(pipe_fds[1]); pipe_fds 1067 tools/testing/selftests/x86/protection_keys.c int pipe_fds[2]; pipe_fds 1069 tools/testing/selftests/x86/protection_keys.c pipe_ret = pipe(pipe_fds); pipe_fds 1077 tools/testing/selftests/x86/protection_keys.c vmsplice_ret = vmsplice(pipe_fds[1], &iov, 1, SPLICE_F_GIFT); pipe_fds 1081 tools/testing/selftests/x86/protection_keys.c close(pipe_fds[0]); pipe_fds 1082 tools/testing/selftests/x86/protection_keys.c close(pipe_fds[1]);