xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/vhangup/vhangup02.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker  *   Copyright (c) International Business Machines  Corp., 2001
4*49cdfc7eSAndroid Build Coastguard Worker  *
5*49cdfc7eSAndroid Build Coastguard Worker  * History
6*49cdfc7eSAndroid Build Coastguard Worker  *	07/2001 John George
7*49cdfc7eSAndroid Build Coastguard Worker  *		-Ported
8*49cdfc7eSAndroid Build Coastguard Worker  */
9*49cdfc7eSAndroid Build Coastguard Worker 
10*49cdfc7eSAndroid Build Coastguard Worker #include <unistd.h>
11*49cdfc7eSAndroid Build Coastguard Worker #include <sys/types.h>
12*49cdfc7eSAndroid Build Coastguard Worker #include <errno.h>
13*49cdfc7eSAndroid Build Coastguard Worker #include <pwd.h>
14*49cdfc7eSAndroid Build Coastguard Worker #include <sys/wait.h>
15*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
16*49cdfc7eSAndroid Build Coastguard Worker #include "lapi/syscalls.h"
17*49cdfc7eSAndroid Build Coastguard Worker 
run(void)18*49cdfc7eSAndroid Build Coastguard Worker static void run(void)
19*49cdfc7eSAndroid Build Coastguard Worker {
20*49cdfc7eSAndroid Build Coastguard Worker 	pid_t pid, pid1;
21*49cdfc7eSAndroid Build Coastguard Worker 
22*49cdfc7eSAndroid Build Coastguard Worker 	pid = SAFE_FORK();
23*49cdfc7eSAndroid Build Coastguard Worker 	if (pid > 0) {
24*49cdfc7eSAndroid Build Coastguard Worker 		waitpid(pid, NULL, 0);
25*49cdfc7eSAndroid Build Coastguard Worker 	} else {
26*49cdfc7eSAndroid Build Coastguard Worker 		pid1 = setsid();
27*49cdfc7eSAndroid Build Coastguard Worker 		if (pid1 < 0)
28*49cdfc7eSAndroid Build Coastguard Worker 			tst_brk(TBROK | TTERRNO, "setsid failed");
29*49cdfc7eSAndroid Build Coastguard Worker 		TEST(tst_syscall(__NR_vhangup));
30*49cdfc7eSAndroid Build Coastguard Worker 		if (TST_RET == -1)
31*49cdfc7eSAndroid Build Coastguard Worker 			tst_res(TFAIL | TTERRNO, "vhangup() failed");
32*49cdfc7eSAndroid Build Coastguard Worker 		else
33*49cdfc7eSAndroid Build Coastguard Worker 			tst_res(TPASS, "vhangup() succeeded");
34*49cdfc7eSAndroid Build Coastguard Worker 	}
35*49cdfc7eSAndroid Build Coastguard Worker }
36*49cdfc7eSAndroid Build Coastguard Worker 
37*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
38*49cdfc7eSAndroid Build Coastguard Worker 	.test_all = run,
39*49cdfc7eSAndroid Build Coastguard Worker 	.forks_child = 1,
40*49cdfc7eSAndroid Build Coastguard Worker 	.needs_root = 1,
41*49cdfc7eSAndroid Build Coastguard Worker };
42