1 /*
2  * Check decoding of setrlimit syscall.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 #include <asm/unistd.h>
32 
33 #ifdef __NR_setrlimit
34 
35 # include "xgetrlimit.c"
36 
37 int
38 main(void)
39 {
40 	kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2);
41 	const struct xlat *xlat;
42 
43 	for (xlat = resources; xlat->str; ++xlat) {
44 		unsigned long res = 0xfacefeed00000000ULL | xlat->val;
45 		long rc = syscall(__NR_setrlimit, res, 0);
46 		printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc));
47 
48 		struct rlimit libc_rlim = {};
49 		if (getrlimit((int) res, &libc_rlim))
50 			continue;
51 		rlimit[0] = libc_rlim.rlim_cur;
52 		rlimit[1] = libc_rlim.rlim_max;
53 
54 		rc = syscall(__NR_setrlimit, res, rlimit);
55 		const char *errstr = sprintrc(rc);
56 		printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n",
57 		       xlat->str,
58 		       sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
59 		       errstr);
60 	}
61 
62 	puts("+++ exited with 0 +++");
63 	return 0;
64 }
65 
66 #else
67 
68 SKIP_MAIN_UNDEFINED("__NR_setrlimit")
69 
70 #endif
71