| /* |
| * Copyright (c) Crackerjack Project., 2007 |
| * Copyright (c) 2011 Cyril Hrubis <chrubis@suse.cz> |
| * Copyright (c) 2017 Xiao Yang <yangx.jy@cn.fujitsu.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* Porting from Crackerjack to LTP is done |
| * by Masatake YAMATO <yamato@redhat.com> |
| * |
| * Description: |
| * 1) io_setup(2) succeeds if both nr_events and ctxp are valid. |
| * 2) io_setup(2) fails and returns -EINVAL if ctxp is not initialized to 0. |
| * 3) io_setup(2) fails and returns -EINVAL if nr_events is invalid. |
| * 4) io_setup(2) fails and returns -EFAULT if ctxp is NULL. |
| * 5) io_setup(2) fails and returns -EAGAIN if nr_events exceeds the limit |
| * of available events. |
| */ |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include "config.h" |
| #include "tst_test.h" |
| |
| #ifdef HAVE_LIBAIO |
| #include <libaio.h> |
| |
| static void verify_failure(unsigned int nr, io_context_t *ctx, int init_val, long exp_err) |
| { |
| if (ctx) |
| memset(ctx, init_val, sizeof(*ctx)); |
| |
| TEST(io_setup(nr, ctx)); |
| if (TST_RET == 0) { |
| tst_res(TFAIL, "io_setup() passed unexpectedly"); |
| io_destroy(*ctx); |
| return; |
| } |
| |
| if (TST_RET == -exp_err) { |
| tst_res(TPASS, "io_setup() failed as expected, returned -%s", |
| tst_strerrno(exp_err)); |
| } else { |
| tst_res(TFAIL, "io_setup() failed unexpectedly, returned -%s " |
| "expected -%s", tst_strerrno(-TST_RET), |
| tst_strerrno(exp_err)); |
| } |
| } |
| |
| static void verify_success(unsigned int nr, io_context_t *ctx, int init_val) |
| { |
| memset(ctx, init_val, sizeof(*ctx)); |
| |
| TEST(io_setup(nr, ctx)); |
| if (TST_RET != 0) { |
| tst_res(TFAIL, "io_setup() failed unexpectedly with %li (%s)", |
| TST_RET, tst_strerrno(-TST_RET)); |
| return; |
| } |
| |
| tst_res(TPASS, "io_setup() passed as expected"); |
| io_destroy(*ctx); |
| } |
| |
| static void verify_io_setup(void) |
| { |
| io_context_t ctx; |
| unsigned int aio_max = 0; |
| |
| verify_success(1, &ctx, 0); |
| verify_failure(1, &ctx, 1, EINVAL); |
| verify_failure(-1, &ctx, 0, EINVAL); |
| verify_failure(1, NULL, 0, EFAULT); |
| |
| if (!access("/proc/sys/fs/aio-max-nr", F_OK)) { |
| SAFE_FILE_SCANF("/proc/sys/fs/aio-max-nr", "%u", &aio_max); |
| verify_failure(aio_max + 1, &ctx, 0, EAGAIN); |
| } else { |
| tst_res(TCONF, "the aio-max-nr file did not exist"); |
| } |
| } |
| |
| static struct tst_test test = { |
| .test_all = verify_io_setup, |
| }; |
| |
| #else |
| TST_TEST_TCONF("test requires libaio and it's development packages"); |
| #endif |