Files
rust/library/std/src/sys/windows/ext/process.rs
2020-08-16 22:28:45 +05:30

110 lines
3.6 KiB
Rust

//! Extensions to `std::process` for Windows.
#![stable(feature = "process_extensions", since = "1.2.0")]
use crate::os::windows::io::{AsRawHandle, FromRawHandle, IntoRawHandle, RawHandle};
use crate::process;
use crate::sys;
use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner};
#[stable(feature = "process_extensions", since = "1.2.0")]
impl FromRawHandle for process::Stdio {
unsafe fn from_raw_handle(handle: RawHandle) -> process::Stdio {
let handle = sys::handle::Handle::new(handle as *mut _);
let io = sys::process::Stdio::Handle(handle);
process::Stdio::from_inner(io)
}
}
#[stable(feature = "process_extensions", since = "1.2.0")]
impl AsRawHandle for process::Child {
fn as_raw_handle(&self) -> RawHandle {
self.as_inner().handle().raw() as *mut _
}
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
impl IntoRawHandle for process::Child {
fn into_raw_handle(self) -> RawHandle {
self.into_inner().into_handle().into_raw() as *mut _
}
}
#[stable(feature = "process_extensions", since = "1.2.0")]
impl AsRawHandle for process::ChildStdin {
fn as_raw_handle(&self) -> RawHandle {
self.as_inner().handle().raw() as *mut _
}
}
#[stable(feature = "process_extensions", since = "1.2.0")]
impl AsRawHandle for process::ChildStdout {
fn as_raw_handle(&self) -> RawHandle {
self.as_inner().handle().raw() as *mut _
}
}
#[stable(feature = "process_extensions", since = "1.2.0")]
impl AsRawHandle for process::ChildStderr {
fn as_raw_handle(&self) -> RawHandle {
self.as_inner().handle().raw() as *mut _
}
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
impl IntoRawHandle for process::ChildStdin {
fn into_raw_handle(self) -> RawHandle {
self.into_inner().into_handle().into_raw() as *mut _
}
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
impl IntoRawHandle for process::ChildStdout {
fn into_raw_handle(self) -> RawHandle {
self.into_inner().into_handle().into_raw() as *mut _
}
}
#[stable(feature = "into_raw_os", since = "1.4.0")]
impl IntoRawHandle for process::ChildStderr {
fn into_raw_handle(self) -> RawHandle {
self.into_inner().into_handle().into_raw() as *mut _
}
}
/// Windows-specific extensions to [`process::ExitStatus`].
#[stable(feature = "exit_status_from", since = "1.12.0")]
pub trait ExitStatusExt {
/// Creates a new `ExitStatus` from the raw underlying `u32` return value of
/// a process.
#[stable(feature = "exit_status_from", since = "1.12.0")]
fn from_raw(raw: u32) -> Self;
}
#[stable(feature = "exit_status_from", since = "1.12.0")]
impl ExitStatusExt for process::ExitStatus {
fn from_raw(raw: u32) -> Self {
process::ExitStatus::from_inner(From::from(raw))
}
}
/// Windows-specific extensions to the [`process::Command`] builder.
#[stable(feature = "windows_process_extensions", since = "1.16.0")]
pub trait CommandExt {
/// Sets the [process creation flags][1] to be passed to `CreateProcess`.
///
/// These will always be ORed with `CREATE_UNICODE_ENVIRONMENT`.
///
/// [1]: https://docs.microsoft.com/en-us/windows/win32/procthread/process-creation-flags
#[stable(feature = "windows_process_extensions", since = "1.16.0")]
fn creation_flags(&mut self, flags: u32) -> &mut process::Command;
}
#[stable(feature = "windows_process_extensions", since = "1.16.0")]
impl CommandExt for process::Command {
fn creation_flags(&mut self, flags: u32) -> &mut process::Command {
self.as_inner_mut().creation_flags(flags);
self
}
}