63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* Ported to LTP: Wayne Boyer
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* Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*
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* Testcase to test the different errnos set by setrlimit(2) system call.
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*/
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#include <pwd.h>
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#include <errno.h>
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#include "tst_test.h"
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static char nobody_uid[] = "nobody";
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static struct rlimit rlim;
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static struct tcase {
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int resource;
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struct rlimit *rlim;
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int exp_errno;
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} tcases[] = {
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{-1, &rlim, EINVAL},
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{RLIMIT_NOFILE, &rlim, EPERM}
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};
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static void verify_setrlimit(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(setrlimit(tc->resource, tc->rlim));
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if (TST_RET != -1) {
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tst_res(TFAIL, "call succeeded unexpectedly");
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return;
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}
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if (TST_ERR != tc->exp_errno) {
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tst_res(TFAIL | TTERRNO,
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"setrlimit() should fail with %s got",
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tst_strerrno(tc->exp_errno));
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return;
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}
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tst_res(TPASS | TTERRNO, "setrlimit() failed as expected");
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}
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static void setup(void)
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{
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struct passwd *ltpuser = SAFE_GETPWNAM(nobody_uid);
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SAFE_SETUID(ltpuser->pw_uid);
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SAFE_GETRLIMIT(RLIMIT_NOFILE, &rlim);
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rlim.rlim_max++;
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}
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static struct tst_test test = {
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.setup = setup,
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.test = verify_setrlimit,
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.tcnt = ARRAY_SIZE(tcases),
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.needs_root = 1,
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};
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