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git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-signal-util.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
7 #include "signal-util.h"
8 #include "stdio-util.h"
9 #include "string-util.h"
10 #include "process-util.h"
12 #define info(sig) log_info(#sig " = " STRINGIFY(sig) " = %d", sig)
14 static void test_rt_signals(void) {
18 /* We use signals SIGRTMIN+0 to SIGRTMIN+24 unconditionally */
19 assert(SIGRTMAX
- SIGRTMIN
>= 24);
22 static void test_signal_to_string_one(int val
) {
25 assert_se(p
= signal_to_string(val
));
27 assert_se(signal_from_string(p
) == val
);
29 p
= strjoina("SIG", p
);
30 assert_se(signal_from_string(p
) == val
);
33 static void test_signal_from_string_one(const char *s
, int val
) {
36 assert_se(signal_from_string(s
) == val
);
38 p
= strjoina("SIG", s
);
39 assert_se(signal_from_string(p
) == val
);
42 static void test_signal_from_string_number(const char *s
, int val
) {
45 assert_se(signal_from_string(s
) == val
);
47 p
= strjoina("SIG", s
);
48 assert_se(signal_from_string(p
) == -EINVAL
);
51 static void test_signal_from_string(void) {
52 char buf
[STRLEN("RTMIN+") + DECIMAL_STR_MAX(int) + 1];
54 test_signal_to_string_one(SIGHUP
);
55 test_signal_to_string_one(SIGTERM
);
56 test_signal_to_string_one(SIGRTMIN
);
57 test_signal_to_string_one(SIGRTMIN
+3);
58 test_signal_to_string_one(SIGRTMAX
-4);
60 test_signal_from_string_one("RTMIN", SIGRTMIN
);
61 test_signal_from_string_one("RTMAX", SIGRTMAX
);
63 xsprintf(buf
, "RTMIN+%d", SIGRTMAX
-SIGRTMIN
);
64 test_signal_from_string_one(buf
, SIGRTMAX
);
66 xsprintf(buf
, "RTMIN+%d", INT_MAX
);
67 test_signal_from_string_one(buf
, -ERANGE
);
69 xsprintf(buf
, "RTMAX-%d", SIGRTMAX
-SIGRTMIN
);
70 test_signal_from_string_one(buf
, SIGRTMIN
);
72 xsprintf(buf
, "RTMAX-%d", INT_MAX
);
73 test_signal_from_string_one(buf
, -ERANGE
);
75 test_signal_from_string_one("", -EINVAL
);
76 test_signal_from_string_one("hup", -EINVAL
);
77 test_signal_from_string_one("HOGEHOGE", -EINVAL
);
79 test_signal_from_string_one("RTMIN-5", -EINVAL
);
80 test_signal_from_string_one("RTMIN- 5", -EINVAL
);
81 test_signal_from_string_one("RTMIN -5", -EINVAL
);
82 test_signal_from_string_one("RTMIN+ 5", -EINVAL
);
83 test_signal_from_string_one("RTMIN +5", -EINVAL
);
84 test_signal_from_string_one("RTMIN+100", -ERANGE
);
85 test_signal_from_string_one("RTMIN+-3", -EINVAL
);
86 test_signal_from_string_one("RTMIN++3", -EINVAL
);
87 test_signal_from_string_one("RTMIN+HUP", -EINVAL
);
88 test_signal_from_string_one("RTMIN3", -EINVAL
);
90 test_signal_from_string_one("RTMAX+5", -EINVAL
);
91 test_signal_from_string_one("RTMAX+ 5", -EINVAL
);
92 test_signal_from_string_one("RTMAX +5", -EINVAL
);
93 test_signal_from_string_one("RTMAX- 5", -EINVAL
);
94 test_signal_from_string_one("RTMAX -5", -EINVAL
);
95 test_signal_from_string_one("RTMAX-100", -ERANGE
);
96 test_signal_from_string_one("RTMAX-+3", -EINVAL
);
97 test_signal_from_string_one("RTMAX--3", -EINVAL
);
98 test_signal_from_string_one("RTMAX-HUP", -EINVAL
);
100 test_signal_from_string_number("3", 3);
101 test_signal_from_string_number("+5", 5);
102 test_signal_from_string_number(" +5", 5);
103 test_signal_from_string_number("10000", -ERANGE
);
104 test_signal_from_string_number("-2", -ERANGE
);
107 static void test_block_signals(void) {
110 assert_se(sigprocmask(0, NULL
, &ss
) >= 0);
112 assert_se(sigismember(&ss
, SIGUSR1
) == 0);
113 assert_se(sigismember(&ss
, SIGALRM
) == 0);
114 assert_se(sigismember(&ss
, SIGVTALRM
) == 0);
117 BLOCK_SIGNALS(SIGUSR1
, SIGVTALRM
);
119 assert_se(sigprocmask(0, NULL
, &ss
) >= 0);
120 assert_se(sigismember(&ss
, SIGUSR1
) == 1);
121 assert_se(sigismember(&ss
, SIGALRM
) == 0);
122 assert_se(sigismember(&ss
, SIGVTALRM
) == 1);
126 assert_se(sigprocmask(0, NULL
, &ss
) >= 0);
127 assert_se(sigismember(&ss
, SIGUSR1
) == 0);
128 assert_se(sigismember(&ss
, SIGALRM
) == 0);
129 assert_se(sigismember(&ss
, SIGVTALRM
) == 0);
132 static void test_ignore_signals(void) {
133 assert_se(ignore_signals(SIGINT
, -1) >= 0);
134 assert_se(kill(getpid_cached(), SIGINT
) >= 0);
135 assert_se(ignore_signals(SIGUSR1
, SIGUSR2
, SIGTERM
, SIGPIPE
, -1) >= 0);
136 assert_se(kill(getpid_cached(), SIGUSR1
) >= 0);
137 assert_se(kill(getpid_cached(), SIGUSR2
) >= 0);
138 assert_se(kill(getpid_cached(), SIGTERM
) >= 0);
139 assert_se(kill(getpid_cached(), SIGPIPE
) >= 0);
140 assert_se(default_signals(SIGINT
, SIGUSR1
, SIGUSR2
, SIGTERM
, SIGPIPE
, -1) >= 0);
143 int main(int argc
, char *argv
[]) {
145 test_signal_from_string();
146 test_block_signals();
147 test_ignore_signals();