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_sigaction() syscall */
24 /* rt_sigaction Expected EINVAL error check */
25 /******************************************************************************/
26
27 #define _GNU_SOURCE
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <signal.h>
32 #include <errno.h>
33 #include <sys/syscall.h>
34 #include <string.h>
35
36 #include "test.h"
37 #include "lapi/syscalls.h"
38 #include "lapi/rt_sigaction.h"
39
40 #define INVAL_SIGSETSIZE -1
41
42 char *TCID = "rt_sigaction03";
43 static int testno;
44 int TST_TOTAL = 1;
45
cleanup(void)46 static void cleanup(void)
47 {
48 tst_rmdir();
49 }
50
setup(void)51 static void setup(void)
52 {
53 TEST_PAUSE;
54 tst_tmpdir();
55 }
56
57 static int test_flags[] =
58 { SA_RESETHAND | SA_SIGINFO, SA_RESETHAND, SA_RESETHAND | SA_SIGINFO,
59 SA_RESETHAND | SA_SIGINFO, SA_NOMASK };
60 char *test_flags_list[] =
61 { "SA_RESETHAND|SA_SIGINFO", "SA_RESETHAND", "SA_RESETHAND|SA_SIGINFO",
62 "SA_RESETHAND|SA_SIGINFO", "SA_NOMASK" };
63
64 static struct test_case_t {
65 int exp_errno;
66 char *errdesc;
67 } test_cases[] = {
68 {
69 EINVAL, "EINVAL"}
70 };
71
handler(int sig)72 static void handler(int sig)
73 {
74 tst_resm(TINFO, "Signal Handler Called with signal number %d", sig);
75 return;
76 }
77
set_handler(int sig,int sig_to_mask,int mask_flags)78 static int set_handler(int sig, int sig_to_mask, int mask_flags)
79 {
80 struct sigaction sa, oldaction;
81
82 sa.sa_sigaction = (void *)handler;
83 sa.sa_flags = mask_flags;
84 sigemptyset(&sa.sa_mask);
85 sigaddset(&sa.sa_mask, sig_to_mask);
86
87 /* *
88 * long sys_rt_sigaction (int sig, const struct sigaction *act, *
89 * truct sigaction *oact, size_t sigsetsize); *
90 * EINVAL: *
91 * sigsetsize was not equivalent to the size of a sigset_t type *
92 */
93
94 return ltp_rt_sigaction(sig, &sa, &oldaction, INVAL_SIGSETSIZE);
95 }
96
main(int ac,char ** av)97 int main(int ac, char **av)
98 {
99 unsigned int flag;
100 int signal;
101 int lc;
102
103 tst_parse_opts(ac, av, NULL, NULL);
104
105 setup();
106
107 for (lc = 0; TEST_LOOPING(lc); ++lc) {
108 tst_count = 0;
109 for (testno = 0; testno < TST_TOTAL; ++testno) {
110
111 for (signal = SIGRTMIN; signal <= (SIGRTMAX); signal++) {
112 tst_resm(TINFO, "Signal %d", signal);
113
114 for (flag = 0; flag < ARRAY_SIZE(test_flags); flag++) {
115 TEST(set_handler
116 (signal, 0, test_flags[flag]));
117 if ((TEST_RETURN == -1)
118 && (TEST_ERRNO ==
119 test_cases[0].exp_errno)) {
120 tst_resm(TINFO,
121 "sa.sa_flags = %s ",
122 test_flags_list[flag]);
123 tst_resm(TPASS,
124 "%s failure with sig: %d as expected errno = %s : %s",
125 TCID, signal,
126 test_cases[0].errdesc,
127 strerror(TEST_ERRNO));
128 } else {
129 tst_resm(TFAIL,
130 "rt_sigaction call succeeded: result = %ld got error %d:but expected %d",
131 TEST_RETURN,
132 TEST_ERRNO,
133 test_cases[0].
134 exp_errno);
135 tst_resm(TINFO,
136 "sa.sa_flags = %s ",
137 test_flags_list[flag]);
138 }
139 }
140 }
141
142 }
143 }
144 cleanup();
145 tst_exit();
146 }
147