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