blob: 203186b208615026029dab6c42434ce2be05b9ea [file] [log] [blame]
use super::super::c;
/// A command for use with [`membarrier`] and [`membarrier_cpu`].
///
/// For `MEMBARRIER_CMD_QUERY`, see [`membarrier_query`].
///
/// [`membarrier`]: crate::process::membarrier
/// [`membarrier_cpu`]: crate::process::membarrier_cpu
/// [`membarrier_query`]: crate::process::membarrier_query
// TODO: These are not yet exposed through libc, so we define the
// constants ourselves.
#[cfg(any(target_os = "android", target_os = "linux"))]
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
#[repr(u32)]
pub enum MembarrierCommand {
/// `MEMBARRIER_CMD_GLOBAL`
#[doc(alias = "Shared")]
#[doc(alias = "MEMBARRIER_CMD_SHARED")]
Global = 1,
/// `MEMBARRIER_CMD_GLOBAL_EXPEDITED`
GlobalExpedited = 2,
/// `MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED`
RegisterGlobalExpedited = 4,
/// `MEMBARRIER_CMD_PRIVATE_EXPEDITED`
PrivateExpedited = 8,
/// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED`
RegisterPrivateExpedited = 16,
/// `MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE`
PrivateExpeditedSyncCore = 32,
/// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE`
RegisterPrivateExpeditedSyncCore = 64,
/// `MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ` (since Linux 5.10)
PrivateExpeditedRseq = 128,
/// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ` (since Linux 5.10)
RegisterPrivateExpeditedRseq = 256,
}
/// A resource value for use with [`getrlimit`], [`setrlimit`], and
/// [`prlimit`].
///
/// [`getrlimit`]: crate::process::getrlimit
/// [`setrlimit`]: crate::process::setrlimit
/// [`prlimit`]: crate::process::prlimit
#[cfg(not(any(target_os = "fuchsia", target_os = "redox", target_os = "wasi")))]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[repr(i32)]
pub enum Resource {
/// `RLIMIT_CPU`
Cpu = c::RLIMIT_CPU as c::c_int,
/// `RLIMIT_FSIZE`
Fsize = c::RLIMIT_FSIZE as c::c_int,
/// `RLIMIT_DATA`
Data = c::RLIMIT_DATA as c::c_int,
/// `RLIMIT_STACK`
Stack = c::RLIMIT_STACK as c::c_int,
/// `RLIMIT_CORE`
#[cfg(not(target_os = "haiku"))]
Core = c::RLIMIT_CORE as c::c_int,
/// `RLIMIT_RSS`
#[cfg(not(any(apple, solarish, target_os = "haiku")))]
Rss = c::RLIMIT_RSS as c::c_int,
/// `RLIMIT_NPROC`
#[cfg(not(any(solarish, target_os = "haiku")))]
Nproc = c::RLIMIT_NPROC as c::c_int,
/// `RLIMIT_NOFILE`
Nofile = c::RLIMIT_NOFILE as c::c_int,
/// `RLIMIT_MEMLOCK`
#[cfg(not(any(solarish, target_os = "aix", target_os = "haiku")))]
Memlock = c::RLIMIT_MEMLOCK as c::c_int,
/// `RLIMIT_AS`
#[cfg(not(target_os = "openbsd"))]
As = c::RLIMIT_AS as c::c_int,
/// `RLIMIT_LOCKS`
#[cfg(not(any(bsd, solarish, target_os = "aix", target_os = "haiku")))]
Locks = c::RLIMIT_LOCKS as c::c_int,
/// `RLIMIT_SIGPENDING`
#[cfg(not(any(bsd, solarish, target_os = "aix", target_os = "haiku")))]
Sigpending = c::RLIMIT_SIGPENDING as c::c_int,
/// `RLIMIT_MSGQUEUE`
#[cfg(not(any(bsd, solarish, target_os = "aix", target_os = "haiku")))]
Msgqueue = c::RLIMIT_MSGQUEUE as c::c_int,
/// `RLIMIT_NICE`
#[cfg(not(any(bsd, solarish, target_os = "aix", target_os = "haiku")))]
Nice = c::RLIMIT_NICE as c::c_int,
/// `RLIMIT_RTPRIO`
#[cfg(not(any(bsd, solarish, target_os = "aix", target_os = "haiku")))]
Rtprio = c::RLIMIT_RTPRIO as c::c_int,
/// `RLIMIT_RTTIME`
#[cfg(not(any(
bsd,
solarish,
target_os = "aix",
target_os = "android",
target_os = "emscripten",
target_os = "haiku",
)))]
Rttime = c::RLIMIT_RTTIME as c::c_int,
}
#[cfg(apple)]
impl Resource {
/// `RLIMIT_RSS`
#[allow(non_upper_case_globals)]
pub const Rss: Self = Self::As;
}
/// 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
#[cfg(not(target_os = "wasi"))]
#[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(
any(target_os = "android", target_os = "linux"),
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(bsd)]
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,
}
#[cfg(not(target_os = "wasi"))]
impl Signal {
/// Convert a raw signal number into a `Signal`, if possible.
pub fn from_raw(sig: i32) -> Option<Self> {
match sig as _ {
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(
any(target_os = "android", target_os = "linux"),
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(bsd)]
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,
}
}
}
pub const EXIT_SUCCESS: c::c_int = c::EXIT_SUCCESS;
pub const EXIT_FAILURE: c::c_int = c::EXIT_FAILURE;
#[cfg(not(target_os = "wasi"))]
pub const EXIT_SIGNALED_SIGABRT: c::c_int = 128 + c::SIGABRT;
/// A process identifier as a raw integer.
#[cfg(not(target_os = "wasi"))]
pub type RawPid = c::pid_t;
/// A non-zero process identifier as a raw non-zero integer.
#[cfg(not(target_os = "wasi"))]
pub type RawNonZeroPid = core::num::NonZeroI32;
/// A group identifier as a raw integer.
#[cfg(not(target_os = "wasi"))]
pub type RawGid = c::gid_t;
/// A user identifier as a raw integer.
#[cfg(not(target_os = "wasi"))]
pub type RawUid = c::uid_t;
/// A CPU identifier as a raw integer.
#[cfg(any(target_os = "android", target_os = "linux"))]
pub type RawCpuid = u32;
#[cfg(target_os = "freebsd")]
pub type RawId = c::id_t;
#[cfg(not(target_os = "wasi"))]
pub(crate) type RawUname = c::utsname;
#[cfg(any(
target_os = "android",
target_os = "dragonfly",
target_os = "fuchsia",
target_os = "linux",
))]
pub(crate) type RawCpuSet = c::cpu_set_t;
#[cfg(any(
target_os = "android",
target_os = "dragonfly",
target_os = "fuchsia",
target_os = "linux",
))]
#[inline]
pub(crate) fn raw_cpu_set_new() -> RawCpuSet {
let mut set = unsafe { core::mem::zeroed() };
super::cpu_set::CPU_ZERO(&mut set);
set
}
#[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
pub(crate) const CPU_SETSIZE: usize = c::CPU_SETSIZE as usize;
#[cfg(target_os = "dragonfly")]
pub(crate) const CPU_SETSIZE: usize = 256;