android13/external/ltp/testcases/kernel/syscalls/io_pgetevents/io_pgetevents01.c

88 lines
2.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
*
* Description:
* Basic io_pgetevents() test to receive 1 event successfully.
*/
#include "time64_variants.h"
#include "tst_test.h"
#include "tst_timer.h"
#include "lapi/io_pgetevents.h"
#ifdef HAVE_LIBAIO
static int fd;
static struct time64_variants variants[] = {
#if (__NR_io_pgetevents != __LTP__NR_INVALID_SYSCALL)
{ .io_pgetevents = sys_io_pgetevents, .ts_type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
#endif
#if (__NR_io_pgetevents_time64 != __LTP__NR_INVALID_SYSCALL)
{ .io_pgetevents = sys_io_pgetevents_time64, .ts_type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
#endif
};
static void setup(void)
{
tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
}
static void cleanup(void)
{
if (fd > 0)
SAFE_CLOSE(fd);
}
static void run(void)
{
struct time64_variants *tv = &variants[tst_variant];
struct io_event events[1];
struct iocb cb, *cbs[1];
io_context_t ctx = 0;
struct tst_ts to = tst_ts_from_ns(tv->ts_type, 10000);
sigset_t sigmask;
char data[4096];
int ret;
cbs[0] = &cb;
sigemptyset(&sigmask);
fd = SAFE_OPEN("io_pgetevents_file", O_RDWR | O_CREAT, 0644);
io_prep_pwrite(&cb, fd, data, 4096, 0);
TEST(io_setup(1, &ctx));
if (TST_RET == -ENOSYS)
tst_brk(TCONF | TRERRNO, "io_setup(): AIO not supported by kernel");
if (TST_RET < 0)
tst_brk(TBROK | TRERRNO, "io_setup() failed");
ret = io_submit(ctx, 1, cbs);
if (ret != 1)
tst_brk(TBROK | TERRNO, "io_submit() failed");
/* get the reply */
ret = tv->io_pgetevents(ctx, 1, 1, events, tst_ts_get(&to), &sigmask);
if (ret == 1)
tst_res(TPASS, "io_pgetevents() works as expected");
else
tst_res(TFAIL | TERRNO, "io_pgetevents() failed");
if (io_destroy(ctx) < 0)
tst_brk(TBROK | TERRNO, "io_destroy() failed");
}
static struct tst_test test = {
.min_kver = "4.18",
.test_all = run,
.test_variants = ARRAY_SIZE(variants),
.needs_tmpdir = 1,
.cleanup = cleanup,
.setup = setup,
};
#else
TST_TEST_TCONF("test requires libaio and it's development packages");
#endif