1use crate::backend::c;
2
3/// A signal number for use with [`kill_process`], [`kill_process_group`], and
4/// [`kill_current_process_group`].
5///
6/// [`kill_process`]: crate::process::kill_process
7/// [`kill_process_group`]: crate::process::kill_process_group
8/// [`kill_current_process_group`]: crate::process::kill_current_process_group
9#[derive(Copy, Clone, Debug, Eq, PartialEq)]
10#[repr(i32)]
11pub enum Signal {
12 /// `SIGHUP`
13 Hup = c::SIGHUP,
14 /// `SIGINT`
15 Int = c::SIGINT,
16 /// `SIGQUIT`
17 Quit = c::SIGQUIT,
18 /// `SIGILL`
19 Ill = c::SIGILL,
20 /// `SIGTRAP`
21 Trap = c::SIGTRAP,
22 /// `SIGABRT`, aka `SIGIOT`
23 #[doc(alias = "Iot")]
24 #[doc(alias = "Abrt")]
25 Abort = c::SIGABRT,
26 /// `SIGBUS`
27 Bus = c::SIGBUS,
28 /// `SIGFPE`
29 Fpe = c::SIGFPE,
30 /// `SIGKILL`
31 Kill = c::SIGKILL,
32 /// `SIGUSR1`
33 #[cfg(not(target_os = "vita"))]
34 Usr1 = c::SIGUSR1,
35 /// `SIGSEGV`
36 Segv = c::SIGSEGV,
37 /// `SIGUSR2`
38 #[cfg(not(target_os = "vita"))]
39 Usr2 = c::SIGUSR2,
40 /// `SIGPIPE`
41 Pipe = c::SIGPIPE,
42 /// `SIGALRM`
43 #[doc(alias = "Alrm")]
44 Alarm = c::SIGALRM,
45 /// `SIGTERM`
46 Term = c::SIGTERM,
47 /// `SIGSTKFLT`
48 #[cfg(not(any(
49 bsd,
50 solarish,
51 target_os = "aix",
52 target_os = "haiku",
53 target_os = "hurd",
54 target_os = "nto",
55 target_os = "vita",
56 all(
57 linux_kernel,
58 any(
59 target_arch = "mips",
60 target_arch = "mips32r6",
61 target_arch = "mips64",
62 target_arch = "mips64r6",
63 target_arch = "sparc",
64 target_arch = "sparc64"
65 ),
66 )
67 )))]
68 Stkflt = c::SIGSTKFLT,
69 /// `SIGCHLD`
70 #[cfg(not(target_os = "vita"))]
71 #[doc(alias = "Chld")]
72 Child = c::SIGCHLD,
73 /// `SIGCONT`
74 #[cfg(not(target_os = "vita"))]
75 Cont = c::SIGCONT,
76 /// `SIGSTOP`
77 #[cfg(not(target_os = "vita"))]
78 Stop = c::SIGSTOP,
79 /// `SIGTSTP`
80 #[cfg(not(target_os = "vita"))]
81 Tstp = c::SIGTSTP,
82 /// `SIGTTIN`
83 #[cfg(not(target_os = "vita"))]
84 Ttin = c::SIGTTIN,
85 /// `SIGTTOU`
86 #[cfg(not(target_os = "vita"))]
87 Ttou = c::SIGTTOU,
88 /// `SIGURG`
89 #[cfg(not(target_os = "vita"))]
90 Urg = c::SIGURG,
91 /// `SIGXCPU`
92 #[cfg(not(target_os = "vita"))]
93 Xcpu = c::SIGXCPU,
94 /// `SIGXFSZ`
95 #[cfg(not(target_os = "vita"))]
96 Xfsz = c::SIGXFSZ,
97 /// `SIGVTALRM`
98 #[cfg(not(target_os = "vita"))]
99 #[doc(alias = "Vtalrm")]
100 Vtalarm = c::SIGVTALRM,
101 /// `SIGPROF`
102 #[cfg(not(target_os = "vita"))]
103 Prof = c::SIGPROF,
104 /// `SIGWINCH`
105 #[cfg(not(target_os = "vita"))]
106 Winch = c::SIGWINCH,
107 /// `SIGIO`, aka `SIGPOLL`
108 #[doc(alias = "Poll")]
109 #[cfg(not(any(target_os = "haiku", target_os = "vita")))]
110 Io = c::SIGIO,
111 /// `SIGPWR`
112 #[cfg(not(any(bsd, target_os = "haiku", target_os = "hurd", target_os = "vita")))]
113 #[doc(alias = "Pwr")]
114 Power = c::SIGPWR,
115 /// `SIGSYS`, aka `SIGUNUSED`
116 #[doc(alias = "Unused")]
117 Sys = c::SIGSYS,
118 /// `SIGEMT`
119 #[cfg(any(
120 bsd,
121 solarish,
122 target_os = "aix",
123 target_os = "hermit",
124 all(
125 linux_kernel,
126 any(
127 target_arch = "mips",
128 target_arch = "mips32r6",
129 target_arch = "mips64",
130 target_arch = "mips64r6",
131 target_arch = "sparc",
132 target_arch = "sparc64"
133 )
134 )
135 ))]
136 Emt = c::SIGEMT,
137 /// `SIGINFO`
138 #[cfg(bsd)]
139 Info = c::SIGINFO,
140 /// `SIGTHR`
141 #[cfg(target_os = "freebsd")]
142 #[doc(alias = "Lwp")]
143 Thr = c::SIGTHR,
144 /// `SIGLIBRT`
145 #[cfg(target_os = "freebsd")]
146 Librt = c::SIGLIBRT,
147}
148
149impl Signal {
150 /// Convert a raw signal number into a `Signal`, if possible.
151 pub fn from_raw(sig: c::c_int) -> Option<Self> {
152 match sig {
153 c::SIGHUP => Some(Self::Hup),
154 c::SIGINT => Some(Self::Int),
155 c::SIGQUIT => Some(Self::Quit),
156 c::SIGILL => Some(Self::Ill),
157 c::SIGTRAP => Some(Self::Trap),
158 c::SIGABRT => Some(Self::Abort),
159 c::SIGBUS => Some(Self::Bus),
160 c::SIGFPE => Some(Self::Fpe),
161 c::SIGKILL => Some(Self::Kill),
162 #[cfg(not(target_os = "vita"))]
163 c::SIGUSR1 => Some(Self::Usr1),
164 c::SIGSEGV => Some(Self::Segv),
165 #[cfg(not(target_os = "vita"))]
166 c::SIGUSR2 => Some(Self::Usr2),
167 c::SIGPIPE => Some(Self::Pipe),
168 c::SIGALRM => Some(Self::Alarm),
169 c::SIGTERM => Some(Self::Term),
170 #[cfg(not(any(
171 bsd,
172 solarish,
173 target_os = "aix",
174 target_os = "haiku",
175 target_os = "hurd",
176 target_os = "nto",
177 target_os = "vita",
178 all(
179 linux_kernel,
180 any(
181 target_arch = "mips",
182 target_arch = "mips32r6",
183 target_arch = "mips64",
184 target_arch = "mips64r6",
185 target_arch = "sparc",
186 target_arch = "sparc64"
187 ),
188 )
189 )))]
190 c::SIGSTKFLT => Some(Self::Stkflt),
191 #[cfg(not(target_os = "vita"))]
192 c::SIGCHLD => Some(Self::Child),
193 #[cfg(not(target_os = "vita"))]
194 c::SIGCONT => Some(Self::Cont),
195 #[cfg(not(target_os = "vita"))]
196 c::SIGSTOP => Some(Self::Stop),
197 #[cfg(not(target_os = "vita"))]
198 c::SIGTSTP => Some(Self::Tstp),
199 #[cfg(not(target_os = "vita"))]
200 c::SIGTTIN => Some(Self::Ttin),
201 #[cfg(not(target_os = "vita"))]
202 c::SIGTTOU => Some(Self::Ttou),
203 #[cfg(not(target_os = "vita"))]
204 c::SIGURG => Some(Self::Urg),
205 #[cfg(not(target_os = "vita"))]
206 c::SIGXCPU => Some(Self::Xcpu),
207 #[cfg(not(target_os = "vita"))]
208 c::SIGXFSZ => Some(Self::Xfsz),
209 #[cfg(not(target_os = "vita"))]
210 c::SIGVTALRM => Some(Self::Vtalarm),
211 #[cfg(not(target_os = "vita"))]
212 c::SIGPROF => Some(Self::Prof),
213 #[cfg(not(target_os = "vita"))]
214 c::SIGWINCH => Some(Self::Winch),
215 #[cfg(not(any(target_os = "haiku", target_os = "vita")))]
216 c::SIGIO => Some(Self::Io),
217 #[cfg(not(any(bsd, target_os = "haiku", target_os = "hurd", target_os = "vita")))]
218 c::SIGPWR => Some(Self::Power),
219 c::SIGSYS => Some(Self::Sys),
220 #[cfg(any(
221 bsd,
222 solarish,
223 target_os = "aix",
224 target_os = "hermit",
225 all(
226 linux_kernel,
227 any(
228 target_arch = "mips",
229 target_arch = "mips32r6",
230 target_arch = "mips64",
231 target_arch = "mips64r6",
232 target_arch = "sparc",
233 target_arch = "sparc64"
234 )
235 )
236 ))]
237 c::SIGEMT => Some(Self::Emt),
238 #[cfg(bsd)]
239 c::SIGINFO => Some(Self::Info),
240 #[cfg(target_os = "freebsd")]
241 c::SIGTHR => Some(Self::Thr),
242 #[cfg(target_os = "freebsd")]
243 c::SIGLIBRT => Some(Self::Librt),
244 _ => None,
245 }
246 }
247}
248
249#[test]
250fn test_sizes() {
251 assert_eq_size!(Signal, c::c_int);
252}
253