1/******************************************************************************/
2/* Copyright (c) Crackerjack Project., 2007                                   */
3/*                                                                            */
4/* This program is free software;  you can redistribute it and/or modify      */
5/* it under the terms of the GNU General Public License as published by       */
6/* the Free Software Foundation; either version 2 of the License, or          */
7/* (at your option) any later version.                                        */
8/*                                                                            */
9/* This program is distributed in the hope that it will be useful,            */
10/* but WITHOUT ANY WARRANTY;  without even the implied warranty of            */
11/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See                  */
12/* the GNU General Public License for more details.                           */
13/*                                                                            */
14/* You should have received a copy of the GNU General Public License          */
15/* along with this program;  if not, write to the Free Software Foundation,   */
16/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA           */
17/*                                                                            */
18/* History:     Porting from Crackerjack to LTP is done by                    */
19/*              Manas Kumar Nayak maknayak@in.ibm.com>                        */
20/******************************************************************************/
21
22/******************************************************************************/
23/* Description: This tests the rt_sigprocmask() syscall                       */
24/*		rt_sigprocmask changes the list of currently blocked signals. */
25/*		The set value stores the signal mask of the pending signals.  */
26/*		The previous action on the signal is saved in oact. The value */
27/*		of how indicates how the call should behave; its values are   */
28/*		as follows:						      */
29/*									      */
30/*		SIG_BLOCK						      */
31/*		    The set of blocked signals is the union of the current set*/
32/*		    and the set argument. 				      */
33/*		SIG_UNBLOCK						      */
34/*		    The signals in set are removed from the current set of    */
35/*		    blocked signals. It is okay to unblock a signal that is   */
36/*		    not blocked. 					      */
37/*		SIG_SETMASK						      */
38/*		    The set of blocked signals is set to the set argument.    */
39/*		    sigsetsize should indicate the size of a sigset_t type.   */
40/* 									      */
41/* 		RETURN VALUE:i						      */
42/* 		rt_sigprocmask returns 0 on success; otherwise, rt_sigprocmask*/
43/* 		returns one of the errors listed in the "Errors" section.     */
44/* 									      */
45/* 		Errors:							      */
46/* 			-EINVAL						      */
47/* 			    sigsetsize was not equivalent to the size of a    */
48/* 			    sigset_t type or the value specified in how was   */
49/* 			    invalid. 					      */
50/* 			-EFAULT						      */
51/* 			    An invalid set, act, or oact was specified.       */
52/******************************************************************************/
53
54#include <stdio.h>
55#include <signal.h>
56#include <errno.h>
57
58#include "test.h"
59#include "lapi/syscalls.h"
60#include "ltp_signal.h"
61
62char *TCID = "rt_sigprocmask02";
63int TST_TOTAL = 2;
64
65static void cleanup(void)
66{
67	tst_rmdir();
68}
69
70static void setup(void)
71{
72	TEST_PAUSE;
73	tst_tmpdir();
74}
75
76static sigset_t set;
77
78static struct test_case_t {
79	sigset_t *ss;
80	int sssize;
81	int exp_errno;
82} test_cases[] = {
83	{
84	&set, 1, EINVAL}, {
85	(sigset_t *) - 1, SIGSETSIZE, EFAULT}
86};
87
88int test_count = sizeof(test_cases) / sizeof(struct test_case_t);
89
90int main(int ac, char **av)
91{
92	int i;
93	sigset_t s;
94
95	tst_parse_opts(ac, av, NULL, NULL);
96
97	setup();
98
99	tst_count = 0;
100
101	TEST(sigfillset(&s));
102	if (TEST_RETURN == -1)
103		tst_brkm(TFAIL | TTERRNO, cleanup,
104			"Call to sigfillset() failed.");
105
106	for (i = 0; i < test_count; i++) {
107		TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_BLOCK,
108			     &s, test_cases[i].ss, test_cases[i].sssize));
109		if (TEST_RETURN == 0) {
110			tst_resm(TFAIL | TTERRNO,
111				 "Call to rt_sigprocmask() succeeded, "
112				 "but should failed");
113		} else if (TEST_ERRNO == test_cases[i].exp_errno) {
114			tst_resm(TPASS | TTERRNO, "Got expected errno");
115		} else {
116			tst_resm(TFAIL | TTERRNO, "Got unexpected errno");
117		}
118
119	}
120
121	cleanup();
122	tst_exit();
123}
124