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