1/*
2 * Copyright (c) International Business Machines  Corp., 2001
3 *	03/2001 - Written by Wayne Boyer
4 *
5 * This program is free software;  you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY;  without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program;  if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20/*
21 * DESCRIPTION
22 *	setpriority01 - set the priority for the test process lower.
23 */
24
25#include "test.h"
26
27#include <errno.h>
28#include <sys/time.h>
29#include <sys/resource.h>
30
31static void cleanup(void);
32static void setpriority_verify(const int);
33static void setup(void);
34
35char *TCID = "setpriority01";
36int TST_TOTAL = 40;
37
38int main(int ac, char **av)
39{
40	int lc;
41	int new_val;
42
43	tst_parse_opts(ac, av, NULL, NULL);
44
45	setup();
46
47	for (lc = 0; TEST_LOOPING(lc); lc++) {
48		tst_count = 0;
49		for (new_val = -20; new_val < 20; new_val++)
50			setpriority_verify(new_val);
51	}
52
53	cleanup();
54	tst_exit();
55
56}
57
58static void setup(void)
59{
60	tst_require_root();
61
62	tst_sig(NOFORK, DEF_HANDLER, cleanup);
63
64	TEST_PAUSE;
65}
66
67static void setpriority_verify(const int new_prio)
68{
69	int priority;
70	TEST(setpriority(PRIO_PROCESS, 0, new_prio));
71
72	if (TEST_RETURN != 0) {
73		tst_resm(TFAIL | TTERRNO, "setpriority(%d) failed", new_prio);
74		return;
75	}
76
77	priority = getpriority(PRIO_PROCESS, 0);
78	if (errno == -1) {
79		tst_brkm(TBROK, cleanup,
80			 "getpriority call failed - errno = %d - %s", errno,
81			 strerror(errno));
82	}
83
84	if (priority == new_prio) {
85		tst_resm(TPASS, "setpriority(%d) succeeded", new_prio);
86	} else {
87		tst_resm(TFAIL,
88			 "current priority-%d and new priority-%d do not match",
89			 priority, new_prio);
90	}
91}
92
93static void cleanup(void)
94{
95}
96