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|
use crate::backend::c;
/// A signal number for use with [`kill_process`], [`kill_process_group`],
/// and [`kill_current_process_group`].
///
/// [`kill_process`]: crate::process::kill_process
/// [`kill_process_group`]: crate::process::kill_process_group
/// [`kill_current_process_group`]: crate::process::kill_current_process_group
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[repr(i32)]
pub enum Signal {
/// `SIGHUP`
Hup = c::SIGHUP,
/// `SIGINT`
Int = c::SIGINT,
/// `SIGQUIT`
Quit = c::SIGQUIT,
/// `SIGILL`
Ill = c::SIGILL,
/// `SIGTRAP`
Trap = c::SIGTRAP,
/// `SIGABRT`, aka `SIGIOT`
#[doc(alias = "Iot")]
#[doc(alias = "Abrt")]
Abort = c::SIGABRT,
/// `SIGBUS`
Bus = c::SIGBUS,
/// `SIGFPE`
Fpe = c::SIGFPE,
/// `SIGKILL`
Kill = c::SIGKILL,
/// `SIGUSR1`
Usr1 = c::SIGUSR1,
/// `SIGSEGV`
Segv = c::SIGSEGV,
/// `SIGUSR2`
Usr2 = c::SIGUSR2,
/// `SIGPIPE`
Pipe = c::SIGPIPE,
/// `SIGALRM`
#[doc(alias = "Alrm")]
Alarm = c::SIGALRM,
/// `SIGTERM`
Term = c::SIGTERM,
/// `SIGSTKFLT`
#[cfg(not(any(
bsd,
solarish,
target_os = "aix",
target_os = "haiku",
all(
linux_kernel,
any(
target_arch = "mips",
target_arch = "mips64",
target_arch = "sparc",
target_arch = "sparc64"
),
)
)))]
Stkflt = c::SIGSTKFLT,
/// `SIGCHLD`
#[doc(alias = "Chld")]
Child = c::SIGCHLD,
/// `SIGCONT`
Cont = c::SIGCONT,
/// `SIGSTOP`
Stop = c::SIGSTOP,
/// `SIGTSTP`
Tstp = c::SIGTSTP,
/// `SIGTTIN`
Ttin = c::SIGTTIN,
/// `SIGTTOU`
Ttou = c::SIGTTOU,
/// `SIGURG`
Urg = c::SIGURG,
/// `SIGXCPU`
Xcpu = c::SIGXCPU,
/// `SIGXFSZ`
Xfsz = c::SIGXFSZ,
/// `SIGVTALRM`
#[doc(alias = "Vtalrm")]
Vtalarm = c::SIGVTALRM,
/// `SIGPROF`
Prof = c::SIGPROF,
/// `SIGWINCH`
Winch = c::SIGWINCH,
/// `SIGIO`, aka `SIGPOLL`
#[doc(alias = "Poll")]
#[cfg(not(target_os = "haiku"))]
Io = c::SIGIO,
/// `SIGPWR`
#[cfg(not(any(bsd, target_os = "haiku")))]
#[doc(alias = "Pwr")]
Power = c::SIGPWR,
/// `SIGSYS`, aka `SIGUNUSED`
#[doc(alias = "Unused")]
Sys = c::SIGSYS,
/// `SIGEMT`
#[cfg(any(
bsd,
solarish,
target_os = "aix",
target_os = "hermit",
all(
linux_kernel,
any(
target_arch = "mips",
target_arch = "mips64",
target_arch = "sparc",
target_arch = "sparc64"
)
)
))]
Emt = c::SIGEMT,
/// `SIGINFO`
#[cfg(bsd)]
Info = c::SIGINFO,
/// `SIGTHR`
#[cfg(target_os = "freebsd")]
#[doc(alias = "Lwp")]
Thr = c::SIGTHR,
/// `SIGLIBRT`
#[cfg(target_os = "freebsd")]
Librt = c::SIGLIBRT,
}
impl Signal {
/// Convert a raw signal number into a `Signal`, if possible.
pub fn from_raw(sig: c::c_int) -> Option<Self> {
match sig {
c::SIGHUP => Some(Self::Hup),
c::SIGINT => Some(Self::Int),
c::SIGQUIT => Some(Self::Quit),
c::SIGILL => Some(Self::Ill),
c::SIGTRAP => Some(Self::Trap),
c::SIGABRT => Some(Self::Abort),
c::SIGBUS => Some(Self::Bus),
c::SIGFPE => Some(Self::Fpe),
c::SIGKILL => Some(Self::Kill),
c::SIGUSR1 => Some(Self::Usr1),
c::SIGSEGV => Some(Self::Segv),
c::SIGUSR2 => Some(Self::Usr2),
c::SIGPIPE => Some(Self::Pipe),
c::SIGALRM => Some(Self::Alarm),
c::SIGTERM => Some(Self::Term),
#[cfg(not(any(
bsd,
solarish,
target_os = "aix",
target_os = "haiku",
all(
linux_kernel,
any(
target_arch = "mips",
target_arch = "mips64",
target_arch = "sparc",
target_arch = "sparc64"
),
)
)))]
c::SIGSTKFLT => Some(Self::Stkflt),
c::SIGCHLD => Some(Self::Child),
c::SIGCONT => Some(Self::Cont),
c::SIGSTOP => Some(Self::Stop),
c::SIGTSTP => Some(Self::Tstp),
c::SIGTTIN => Some(Self::Ttin),
c::SIGTTOU => Some(Self::Ttou),
c::SIGURG => Some(Self::Urg),
c::SIGXCPU => Some(Self::Xcpu),
c::SIGXFSZ => Some(Self::Xfsz),
c::SIGVTALRM => Some(Self::Vtalarm),
c::SIGPROF => Some(Self::Prof),
c::SIGWINCH => Some(Self::Winch),
#[cfg(not(target_os = "haiku"))]
c::SIGIO => Some(Self::Io),
#[cfg(not(any(bsd, target_os = "haiku")))]
c::SIGPWR => Some(Self::Power),
c::SIGSYS => Some(Self::Sys),
#[cfg(any(
bsd,
solarish,
target_os = "aix",
target_os = "hermit",
all(
linux_kernel,
any(
target_arch = "mips",
target_arch = "mips64",
target_arch = "sparc",
target_arch = "sparc64"
)
)
))]
c::SIGEMT => Some(Self::Emt),
#[cfg(bsd)]
c::SIGINFO => Some(Self::Info),
#[cfg(target_os = "freebsd")]
c::SIGTHR => Some(Self::Thr),
#[cfg(target_os = "freebsd")]
c::SIGLIBRT => Some(Self::Librt),
_ => None,
}
}
}
#[test]
fn test_sizes() {
use core::mem::size_of;
assert_eq!(size_of::<Signal>(), size_of::<c::c_int>());
}
|
