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 <unistd.h>
17 #include <signal.h>
18 #include <sys/wait.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include "functionalext.h"
22
23 static int exit_flag = 0;
24
ChildFunc(int signal)25 void ChildFunc(int signal)
26 {
27 switch (signal) {
28 case SIGCHLD:
29 exit_flag = 1;
30 break;
31 default:
32 break;
33 }
34 return;
35 }
36
37 /**
38 * @tc.name : killpg_0100
39 * @tc.desc : Determine whether the child process successfully receives the signal to
40 * the main process and respond accordingly
41 * @tc.level : Level 1
42 */
killpg_0100(void)43 void killpg_0100(void)
44 {
45 pid_t pid;
46 int status;
47 sigset_t sigset;
48 sigemptyset(&sigset);
49 sigaddset(&sigset, SIGCHLD);
50 sigprocmask(SIG_BLOCK, &sigset, NULL);
51 pid = fork();
52 if (pid == 0) {
53 sleep(1);
54 int ret = killpg(getpgrp(), SIGCHLD);
55 EXPECT_EQ("killpg_0100", ret, 0);
56 exit(EXIT_SUCCESS);
57 } else if (pid > 0) {
58 signal(SIGCHLD, ChildFunc);
59 sigprocmask(SIG_UNBLOCK, &sigset, NULL);
60 while (!exit_flag) {
61 sleep(1);
62 }
63 wait(NULL);
64 EXPECT_EQ("killpg_0100", exit_flag, 1);
65 } else {
66 printf("Fork wrong\n");
67 exit(EXIT_FAILURE);
68 }
69 }
70
71 /**
72 * @tc.name : killpg_0200
73 * @tc.desc : Outlier judgment
74 * @tc.level : Level 2
75 */
killpg_0200(void)76 void killpg_0200(void)
77 {
78 int ret = killpg(-1, -1);
79 EXPECT_EQ("killpg_0200", ret, -1);
80 }
81
main(void)82 int main(void)
83 {
84 killpg_0100();
85 killpg_0200();
86 return t_status;
87 }