xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/getrusage/getrusage01.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-only
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
4*49cdfc7eSAndroid Build Coastguard Worker  * AUTHOR: Saji Kumar.V.R <[email protected]>
5*49cdfc7eSAndroid Build Coastguard Worker  * Copyright (c) 2021 Xie Ziyao <[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  * Test that getrusage() with RUSAGE_SELF and RUSAGE_CHILDREN succeeds.
12*49cdfc7eSAndroid Build Coastguard Worker  */
13*49cdfc7eSAndroid Build Coastguard Worker 
14*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
15*49cdfc7eSAndroid Build Coastguard Worker 
16*49cdfc7eSAndroid Build Coastguard Worker static struct rusage *usage;
17*49cdfc7eSAndroid Build Coastguard Worker 
18*49cdfc7eSAndroid Build Coastguard Worker struct test_case_t {
19*49cdfc7eSAndroid Build Coastguard Worker 	int who;
20*49cdfc7eSAndroid Build Coastguard Worker 	char *desc;
21*49cdfc7eSAndroid Build Coastguard Worker } tc[] = {
22*49cdfc7eSAndroid Build Coastguard Worker 	{RUSAGE_SELF, "RUSAGE_SELF"},
23*49cdfc7eSAndroid Build Coastguard Worker 	{RUSAGE_CHILDREN, "RUSAGE_CHILDREN"},
24*49cdfc7eSAndroid Build Coastguard Worker };
25*49cdfc7eSAndroid Build Coastguard Worker 
run(unsigned int i)26*49cdfc7eSAndroid Build Coastguard Worker static void run(unsigned int i)
27*49cdfc7eSAndroid Build Coastguard Worker {
28*49cdfc7eSAndroid Build Coastguard Worker 
29*49cdfc7eSAndroid Build Coastguard Worker 	TST_EXP_PASS(getrusage(tc[i].who, usage), "getrusage(%s, %p)", tc[i].desc, usage);
30*49cdfc7eSAndroid Build Coastguard Worker }
31*49cdfc7eSAndroid Build Coastguard Worker 
32*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
33*49cdfc7eSAndroid Build Coastguard Worker 	.tcnt = ARRAY_SIZE(tc),
34*49cdfc7eSAndroid Build Coastguard Worker 	.test = run,
35*49cdfc7eSAndroid Build Coastguard Worker 	.bufs = (struct tst_buffers[]) {
36*49cdfc7eSAndroid Build Coastguard Worker 		{&usage, .size = sizeof(struct rusage)},
37*49cdfc7eSAndroid Build Coastguard Worker 		{}
38*49cdfc7eSAndroid Build Coastguard Worker 	}
39*49cdfc7eSAndroid Build Coastguard Worker };
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