65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Crackerjack Project., 2007
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* Ported from Crackerjack to LTP by Masatake YAMATO <yamato@redhat.com>
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* Copyright (c) 2011 Cyril Hrubis <chrubis@suse.cz>
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* Copyright (c) 2017 Xiao Yang <yangx.jy@cn.fujitsu.com>
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* Copyright (c) 2021 Xie Ziyao <xieziyao@huawei.com>
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*/
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/*\
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* [Description]
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*
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* Test io_setup invoked via syscall(2):
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*
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* - io_setup fails and returns EFAULT if ctxp is NULL.
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* - io_setup fails and returns EINVAL if ctxp is not initialized to 0.
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* - io_setup fails and returns EINVAL if nr_events is -1.
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* - io_setup fails and returns EAGAIN if nr_events exceeds the limit
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* of available events.
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* - io_setup succeeds if both nr_events and ctxp are valid.
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*/
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#include <linux/aio_abi.h>
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#include "config.h"
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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static void run(void)
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{
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aio_context_t ctx;
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TST_EXP_FAIL(tst_syscall(__NR_io_setup, 1, NULL), EFAULT,
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"io_setup() when ctxp is NULL");
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memset(&ctx, 1, sizeof(ctx));
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TST_EXP_FAIL(tst_syscall(__NR_io_setup, 1, &ctx), EINVAL,
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"io_setup() when ctxp is not initialized to 0");
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memset(&ctx, 0, sizeof(ctx));
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TST_EXP_FAIL(tst_syscall(__NR_io_setup, -1, &ctx), EINVAL,
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"io_setup() when nr_events is -1");
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unsigned aio_max = 0;
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if (!access("/proc/sys/fs/aio-max-nr", F_OK)) {
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SAFE_FILE_SCANF("/proc/sys/fs/aio-max-nr", "%u", &aio_max);
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TST_EXP_FAIL(tst_syscall(__NR_io_setup, aio_max + 1, &ctx), EAGAIN,
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"io_setup() when nr_events exceeds the limit");
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} else {
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tst_res(TCONF, "the aio-max-nr file did not exist");
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}
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TST_EXP_PASS(tst_syscall(__NR_io_setup, 1, &ctx),
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"io_setup() when both nr_events and ctxp are valid");
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TST_EXP_PASS_SILENT(tst_syscall(__NR_io_destroy, ctx));
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}
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static struct tst_test test = {
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.needs_kconfigs = (const char *[]) {
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"CONFIG_AIO=y",
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NULL
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},
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.test_all = run,
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};
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