1 /*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include <fcntl.h>
31 #include <cstdio>
32 #include <cstdlib>
33 #include <sys/stat.h>
34 #include <sys/types.h>
35 #include <unistd.h>
36 #include <cstring>
37 #include <sys/shm.h>
38 #include <gtest/gtest.h>
39 #include "It_process_plimits.h"
40
41 static const int g_buffSize = 512;
42 static const int g_arryLen = 4;
43 static const int g_readLen = 254;
44
ItProcessPlimitsIpc009(void)45 void ItProcessPlimitsIpc009(void)
46 {
47 mode_t mode;
48 char buf[g_buffSize] = { 0 };
49 int ret;
50 int shmid;
51 void *shared = nullptr;
52 mode_t acessMode = 0666;
53 std::string subPlimitsPath = "/proc/plimits/test";
54
55 ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
56 ASSERT_EQ(ret, 0);
57
58 ret = ReadFile("/proc/plimits/test/ipc.shm_limit", buf);
59 ASSERT_STREQ(buf, "4294967295\n");
60
61 shmid = shmget(IPC_PRIVATE, PAGE_SIZE, acessMode | IPC_CREAT);
62 ASSERT_NE(shmid, -1);
63 shared = shmat(shmid, nullptr, 0);
64 ASSERT_NE(shared, (void *)-1);
65 ret = shmdt(shared);
66 ASSERT_NE(ret, -1);
67 ret = shmctl(shmid, IPC_RMID, nullptr);
68 ASSERT_NE(ret, -1);
69
70 ret = rmdir(subPlimitsPath.c_str());
71 ASSERT_EQ(ret, 0);
72 return;
73 }
74