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66 lines
2.2 KiB
Rust
66 lines
2.2 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Unix-specific extensions to primitives in the `std::process` module.
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#![stable(feature = "rust1", since = "1.0.0")]
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use os::unix::raw::{uid_t, gid_t};
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use prelude::v1::*;
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use process;
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use sys;
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use sys_common::{AsInnerMut, AsInner};
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/// Unix-specific extensions to the `std::process::Command` builder
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#[stable(feature = "rust1", since = "1.0.0")]
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pub trait CommandExt {
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/// Sets the child process's user id. This translates to a
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/// `setuid` call in the child process. Failure in the `setuid`
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/// call will cause the spawn to fail.
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#[stable(feature = "rust1", since = "1.0.0")]
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fn uid(&mut self, id: uid_t) -> &mut process::Command;
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/// Similar to `uid`, but sets the group id of the child process. This has
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/// the same semantics as the `uid` field.
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#[stable(feature = "rust1", since = "1.0.0")]
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fn gid(&mut self, id: gid_t) -> &mut process::Command;
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}
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#[stable(feature = "rust1", since = "1.0.0")]
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impl CommandExt for process::Command {
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fn uid(&mut self, id: uid_t) -> &mut process::Command {
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self.as_inner_mut().uid = Some(id);
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self
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}
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fn gid(&mut self, id: gid_t) -> &mut process::Command {
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self.as_inner_mut().gid = Some(id);
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self
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}
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}
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/// Unix-specific extensions to `std::process::ExitStatus`
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#[stable(feature = "rust1", since = "1.0.0")]
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pub trait ExitStatusExt {
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/// If the process was terminated by a signal, returns that signal.
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#[stable(feature = "rust1", since = "1.0.0")]
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fn signal(&self) -> Option<i32>;
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}
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#[stable(feature = "rust1", since = "1.0.0")]
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impl ExitStatusExt for process::ExitStatus {
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fn signal(&self) -> Option<i32> {
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match *self.as_inner() {
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sys::process2::ExitStatus::Signal(s) => Some(s),
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_ => None
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}
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}
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}
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