diff options
Diffstat (limited to 'testcases/kernel/syscalls/pipe/pipe03.c')
| -rw-r--r-- | testcases/kernel/syscalls/pipe/pipe03.c | 51 |
1 files changed, 21 insertions, 30 deletions
diff --git a/testcases/kernel/syscalls/pipe/pipe03.c b/testcases/kernel/syscalls/pipe/pipe03.c index 89c0911c1..d20867b2b 100644 --- a/testcases/kernel/syscalls/pipe/pipe03.c +++ b/testcases/kernel/syscalls/pipe/pipe03.c @@ -1,51 +1,42 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) International Business Machines Corp., 2002 + * Copyright (c) 2003-2023 Linux Test Project */ -/* - * Make sure that writing to the read end of a pipe and reading from - * the write end of a pipe both fail. +/*\ + * [Description] + * + * Verify that, an attempt to write to the read end of a pipe fails with EBADF + * and an attempt to read from the write end of a pipe also fails with EBADF. */ -#include <unistd.h> -#include <errno.h> #include "tst_test.h" static int fd[2]; static void verify_pipe(void) { - char buf[2]; - - TEST(pipe(fd)); - if (TST_RET == -1) { - tst_res(TFAIL | TTERRNO, "pipe() failed unexpectedly"); - return; - } - - TEST(write(fd[0], "A", 1)); - if (TST_RET == -1 && errno == EBADF) { - tst_res(TPASS | TTERRNO, "expected failure writing " - "to read end of pipe"); - } else { - tst_res(TFAIL | TTERRNO, "unexpected failure writing " - "to read end of pipe"); - } - - TEST(read(fd[1], buf, 1)); - if (TST_RET == -1 && errno == EBADF) { - tst_res(TPASS | TTERRNO, "expected failure reading " - "from write end of pipe"); - } else { - tst_res(TFAIL | TTERRNO, "unexpected failure reading " - "from write end of pipe"); - } + char buf[] = "abcdef"; + + SAFE_PIPE(fd); + + TST_EXP_FAIL2(write(fd[0], "A", 1), EBADF); + TST_EXP_FAIL2(read(fd[1], buf, 1), EBADF); SAFE_CLOSE(fd[0]); SAFE_CLOSE(fd[1]); } +static void cleanup(void) +{ + if (fd[0] > 0) + SAFE_CLOSE(fd[0]); + if (fd[1] > 0) + SAFE_CLOSE(fd[1]); +} + static struct tst_test test = { .test_all = verify_pipe, + .cleanup = cleanup }; |