rustix/
signal.rs

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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}
rustix/signal.rs

rustix/
signal.rs
