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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
0c5eb056 | 2 | |
ede4edd3 RC |
3 | #include <signal.h> |
4 | #include <unistd.h> | |
5 | ||
8750ac02 | 6 | #include "log.h" |
ede4edd3 | 7 | #include "macro.h" |
0c5eb056 | 8 | #include "signal-util.h" |
50fb3437 YW |
9 | #include "stdio-util.h" |
10 | #include "string-util.h" | |
dccca82b | 11 | #include "process-util.h" |
0c5eb056 | 12 | |
8750ac02 ZJS |
13 | #define info(sig) log_info(#sig " = " STRINGIFY(sig) " = %d", sig) |
14 | ||
15 | static void test_rt_signals(void) { | |
16 | info(SIGRTMIN); | |
17 | info(SIGRTMAX); | |
18 | ||
19 | /* We use signals SIGRTMIN+0 to SIGRTMIN+24 unconditionally */ | |
20 | assert(SIGRTMAX - SIGRTMIN >= 24); | |
21 | } | |
22 | ||
50fb3437 YW |
23 | static void test_signal_to_string_one(int val) { |
24 | const char *p; | |
25 | ||
26 | assert_se(p = signal_to_string(val)); | |
27 | ||
28 | assert_se(signal_from_string(p) == val); | |
29 | ||
30 | p = strjoina("SIG", p); | |
31 | assert_se(signal_from_string(p) == val); | |
32 | } | |
33 | ||
34 | static void test_signal_from_string_one(const char *s, int val) { | |
35 | const char *p; | |
36 | ||
37 | assert_se(signal_from_string(s) == val); | |
38 | ||
39 | p = strjoina("SIG", s); | |
40 | assert_se(signal_from_string(p) == val); | |
41 | } | |
42 | ||
43 | static void test_signal_from_string_number(const char *s, int val) { | |
44 | const char *p; | |
45 | ||
46 | assert_se(signal_from_string(s) == val); | |
47 | ||
48 | p = strjoina("SIG", s); | |
49 | assert_se(signal_from_string(p) == -EINVAL); | |
50 | } | |
51 | ||
52 | static void test_signal_from_string(void) { | |
53 | char buf[STRLEN("RTMIN+") + DECIMAL_STR_MAX(int) + 1]; | |
54 | ||
55 | test_signal_to_string_one(SIGHUP); | |
56 | test_signal_to_string_one(SIGTERM); | |
57 | test_signal_to_string_one(SIGRTMIN); | |
58 | test_signal_to_string_one(SIGRTMIN+3); | |
59 | test_signal_to_string_one(SIGRTMAX-4); | |
60 | ||
61 | test_signal_from_string_one("RTMIN", SIGRTMIN); | |
62 | test_signal_from_string_one("RTMAX", SIGRTMAX); | |
63 | ||
64 | xsprintf(buf, "RTMIN+%d", SIGRTMAX-SIGRTMIN); | |
65 | test_signal_from_string_one(buf, SIGRTMAX); | |
66 | ||
67 | xsprintf(buf, "RTMIN+%d", INT_MAX); | |
68 | test_signal_from_string_one(buf, -ERANGE); | |
69 | ||
70 | xsprintf(buf, "RTMAX-%d", SIGRTMAX-SIGRTMIN); | |
71 | test_signal_from_string_one(buf, SIGRTMIN); | |
72 | ||
73 | xsprintf(buf, "RTMAX-%d", INT_MAX); | |
74 | test_signal_from_string_one(buf, -ERANGE); | |
75 | ||
76 | test_signal_from_string_one("", -EINVAL); | |
77 | test_signal_from_string_one("hup", -EINVAL); | |
78 | test_signal_from_string_one("HOGEHOGE", -EINVAL); | |
79 | ||
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 +5", -EINVAL); | |
85 | test_signal_from_string_one("RTMIN+100", -ERANGE); | |
86 | test_signal_from_string_one("RTMIN+-3", -EINVAL); | |
87 | test_signal_from_string_one("RTMIN++3", -EINVAL); | |
88 | test_signal_from_string_one("RTMIN+HUP", -EINVAL); | |
89 | test_signal_from_string_one("RTMIN3", -EINVAL); | |
90 | ||
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 -5", -EINVAL); | |
96 | test_signal_from_string_one("RTMAX-100", -ERANGE); | |
97 | test_signal_from_string_one("RTMAX-+3", -EINVAL); | |
98 | test_signal_from_string_one("RTMAX--3", -EINVAL); | |
99 | test_signal_from_string_one("RTMAX-HUP", -EINVAL); | |
100 | ||
101 | test_signal_from_string_number("3", 3); | |
102 | test_signal_from_string_number("+5", 5); | |
103 | test_signal_from_string_number(" +5", 5); | |
104 | test_signal_from_string_number("10000", -ERANGE); | |
105 | test_signal_from_string_number("-2", -ERANGE); | |
106 | } | |
107 | ||
0c5eb056 LP |
108 | static void test_block_signals(void) { |
109 | sigset_t ss; | |
110 | ||
111 | assert_se(sigprocmask(0, NULL, &ss) >= 0); | |
112 | ||
113 | assert_se(sigismember(&ss, SIGUSR1) == 0); | |
114 | assert_se(sigismember(&ss, SIGALRM) == 0); | |
115 | assert_se(sigismember(&ss, SIGVTALRM) == 0); | |
116 | ||
117 | { | |
118 | BLOCK_SIGNALS(SIGUSR1, SIGVTALRM); | |
119 | ||
120 | assert_se(sigprocmask(0, NULL, &ss) >= 0); | |
121 | assert_se(sigismember(&ss, SIGUSR1) == 1); | |
122 | assert_se(sigismember(&ss, SIGALRM) == 0); | |
123 | assert_se(sigismember(&ss, SIGVTALRM) == 1); | |
124 | ||
125 | } | |
126 | ||
127 | assert_se(sigprocmask(0, NULL, &ss) >= 0); | |
128 | assert_se(sigismember(&ss, SIGUSR1) == 0); | |
129 | assert_se(sigismember(&ss, SIGALRM) == 0); | |
130 | assert_se(sigismember(&ss, SIGVTALRM) == 0); | |
131 | } | |
132 | ||
ede4edd3 RC |
133 | static void test_ignore_signals(void) { |
134 | assert_se(ignore_signals(SIGINT, -1) >= 0); | |
df0ff127 | 135 | assert_se(kill(getpid_cached(), SIGINT) >= 0); |
ede4edd3 | 136 | assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); |
df0ff127 LP |
137 | assert_se(kill(getpid_cached(), SIGUSR1) >= 0); |
138 | assert_se(kill(getpid_cached(), SIGUSR2) >= 0); | |
139 | assert_se(kill(getpid_cached(), SIGTERM) >= 0); | |
140 | assert_se(kill(getpid_cached(), SIGPIPE) >= 0); | |
ede4edd3 RC |
141 | assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); |
142 | } | |
143 | ||
0c5eb056 | 144 | int main(int argc, char *argv[]) { |
8750ac02 | 145 | test_rt_signals(); |
50fb3437 | 146 | test_signal_from_string(); |
0c5eb056 | 147 | test_block_signals(); |
ede4edd3 RC |
148 | test_ignore_signals(); |
149 | ||
150 | return 0; | |
0c5eb056 | 151 | } |