xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/personality/personality02.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) 2016 Linux Test Project
4*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) 2016 Cyril Hrubis <[email protected]>
5*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (C) 2023 SUSE LLC Andrea Cervesato <[email protected]>
6*49cdfc7eSAndroid Build Coastguard Worker  */
7*49cdfc7eSAndroid Build Coastguard Worker 
8*49cdfc7eSAndroid Build Coastguard Worker /*\
9*49cdfc7eSAndroid Build Coastguard Worker  * [Description]
10*49cdfc7eSAndroid Build Coastguard Worker  *
11*49cdfc7eSAndroid Build Coastguard Worker  * This test checks if select() timeout is not updated when personality with
12*49cdfc7eSAndroid Build Coastguard Worker  * STICKY_TIMEOUTS is used.
13*49cdfc7eSAndroid Build Coastguard Worker  */
14*49cdfc7eSAndroid Build Coastguard Worker 
15*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
16*49cdfc7eSAndroid Build Coastguard Worker #include "lapi/personality.h"
17*49cdfc7eSAndroid Build Coastguard Worker #include <sys/select.h>
18*49cdfc7eSAndroid Build Coastguard Worker 
19*49cdfc7eSAndroid Build Coastguard Worker #define USEC 10
20*49cdfc7eSAndroid Build Coastguard Worker 
run(void)21*49cdfc7eSAndroid Build Coastguard Worker static void run(void)
22*49cdfc7eSAndroid Build Coastguard Worker {
23*49cdfc7eSAndroid Build Coastguard Worker 	struct timeval tv = { .tv_sec = 0, .tv_usec = USEC };
24*49cdfc7eSAndroid Build Coastguard Worker 	fd_set rfds;
25*49cdfc7eSAndroid Build Coastguard Worker 
26*49cdfc7eSAndroid Build Coastguard Worker 	FD_ZERO(&rfds);
27*49cdfc7eSAndroid Build Coastguard Worker 	FD_SET(1, &rfds);
28*49cdfc7eSAndroid Build Coastguard Worker 
29*49cdfc7eSAndroid Build Coastguard Worker 	SAFE_PERSONALITY(PER_LINUX | STICKY_TIMEOUTS);
30*49cdfc7eSAndroid Build Coastguard Worker 
31*49cdfc7eSAndroid Build Coastguard Worker 	TEST(select(2, &rfds, NULL, NULL, &tv));
32*49cdfc7eSAndroid Build Coastguard Worker 	if (TST_RET == -1)
33*49cdfc7eSAndroid Build Coastguard Worker 		tst_brk(TBROK | TERRNO, "select() error");
34*49cdfc7eSAndroid Build Coastguard Worker 
35*49cdfc7eSAndroid Build Coastguard Worker 	SAFE_PERSONALITY(PER_LINUX);
36*49cdfc7eSAndroid Build Coastguard Worker 
37*49cdfc7eSAndroid Build Coastguard Worker 	TST_EXP_EQ_LI(tv.tv_usec, USEC);
38*49cdfc7eSAndroid Build Coastguard Worker }
39*49cdfc7eSAndroid Build Coastguard Worker 
40*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
41*49cdfc7eSAndroid Build Coastguard Worker 	.test_all = run,
42*49cdfc7eSAndroid Build Coastguard Worker };
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