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use super::super::c;
#[cfg(not(target_os = "wasi"))]
use bitflags::bitflags;
#[cfg(any(target_os = "android", target_os = "linux"))]
bitflags! {
/// `RWF_*` constants for use with [`preadv2`] and [`pwritev2`].
///
/// [`preadv2`]: crate::io::preadv2
/// [`pwritev2`]: crate::io::pwritev
pub struct ReadWriteFlags: c::c_int {
/// `RWF_DSYNC` (since Linux 4.7)
#[cfg(all(target_os = "linux", target_env = "gnu"))]
const DSYNC = c::RWF_DSYNC;
/// `RWF_HIPRI` (since Linux 4.6)
#[cfg(all(target_os = "linux", target_env = "gnu"))]
const HIPRI = c::RWF_HIPRI;
/// `RWF_SYNC` (since Linux 4.7)
#[cfg(all(target_os = "linux", target_env = "gnu"))]
const SYNC = c::RWF_SYNC;
/// `RWF_NOWAIT` (since Linux 4.14)
#[cfg(all(target_os = "linux", target_env = "gnu"))]
const NOWAIT = c::RWF_NOWAIT;
/// `RWF_APPEND` (since Linux 4.16)
#[cfg(all(target_os = "linux", target_env = "gnu"))]
const APPEND = c::RWF_APPEND;
}
}
#[cfg(not(target_os = "wasi"))]
bitflags! {
/// `O_*` constants for use with [`dup2`].
///
/// [`dup2`]: crate::io::dup2
pub struct DupFlags: c::c_int {
/// `O_CLOEXEC`
#[cfg(not(any(
target_os = "android",
target_os = "ios",
target_os = "macos",
target_os = "redox",
)))] // Android 5.0 has dup3, but libc doesn't have bindings
const CLOEXEC = c::O_CLOEXEC;
}
}
#[cfg(not(any(target_os = "ios", target_os = "macos", target_os = "wasi")))]
bitflags! {
/// `O_*` constants for use with [`pipe_with`].
///
/// [`pipe_with`]: crate::io::pipe_with
pub struct PipeFlags: c::c_int {
/// `O_CLOEXEC`
const CLOEXEC = c::O_CLOEXEC;
/// `O_DIRECT`
#[cfg(not(any(target_os = "illumos", target_os = "openbsd", target_os = "redox")))]
const DIRECT = c::O_DIRECT;
/// `O_NONBLOCK`
const NONBLOCK = c::O_NONBLOCK;
}
}
#[cfg(any(target_os = "android", target_os = "linux"))]
bitflags! {
/// `EFD_*` flags for use with [`eventfd`].
///
/// [`eventfd`]: crate::io::eventfd
pub struct EventfdFlags: c::c_int {
/// `EFD_CLOEXEC`
const CLOEXEC = c::EFD_CLOEXEC;
/// `EFD_NONBLOCK`
const NONBLOCK = c::EFD_NONBLOCK;
/// `EFD_SEMAPHORE`
const SEMAPHORE = c::EFD_SEMAPHORE;
}
}
/// `PIPE_BUF`—The maximum size of a write to a pipe guaranteed to be atomic.
#[cfg(not(any(target_os = "illumos", target_os = "redox", target_os = "wasi")))]
pub const PIPE_BUF: usize = c::PIPE_BUF;
#[cfg(not(any(windows, target_os = "redox")))]
pub(crate) const AT_FDCWD: c::c_int = c::AT_FDCWD;
#[cfg(not(windows))]
pub(crate) const STDIN_FILENO: c::c_int = c::STDIN_FILENO;
#[cfg(not(windows))]
pub(crate) const STDOUT_FILENO: c::c_int = c::STDOUT_FILENO;
#[cfg(not(windows))]
pub(crate) const STDERR_FILENO: c::c_int = c::STDERR_FILENO;
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