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 <sys/wait.h>
17#include <unistd.h>
18#include "functionalext.h"
19
20/**
21 * @tc.name      : getpgrp_0100
22 * @tc.desc      : Whether the child process is in the same process group as the parent process
23 * @tc.level     : Level 0
24 */
25void getpgrp_0100(void)
26{
27    pid_t gpid = getpgrp();
28    pid_t child = fork();
29    EXPECT_TRUE("getpgrp_0100", child >= 0);
30
31    if (child == 0) {
32        pid_t gpid_child = getpgrp();
33        EXPECT_EQ("getpgrp_0100", gpid_child, gpid);
34    } else if (child > 0) {
35        wait(NULL);
36    }
37}
38
39int main(void)
40{
41    getpgrp_0100();
42    return t_status;
43}