1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <errno.h>
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <sys/swap.h>
20 #include "test.h"
21
22 /**
23 * @tc.name : swapoff_0100
24 * @tc.desc : Stop swapping to file/device
25 * @tc.level : Level 0
26 */
swapoff_0100(void)27 void swapoff_0100(void)
28 {
29 errno = 0;
30 system("cd /data/tests/libc-test/src; dd if=/dev/zero of=swapfile count=1 bs=1k; mkswap swapfile");
31 int result = swapon("/data/tests/libc-test/src/swapfile", SWAP_FLAG_PREFER);
32 if (result == -1) {
33 t_error("%s swapon failed\n", __func__);
34 remove("/data/tests/libc-test/src/swapfile");
35 return;
36 }
37 if (errno == ENOSYS) {
38 t_error("%s errno is %d\n", __func__, errno);
39 return;
40 }
41
42 result = swapoff("/data/tests/libc-test/src/swapfile");
43 if (result == -1) {
44 t_error("%s swapoff failed", __func__);
45 }
46 }
47
main(int argc,char * argv[])48 int main(int argc, char *argv[])
49 {
50 // swapoff_0100();
51 return t_status;
52 }
53