| 1 | use crate::fd::OwnedFd; |
| 2 | use crate::process::Pid; |
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| 3 | use crate::{backend, io}; |
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| 4 | |
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| 5 | bitflags::bitflags! { |
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| 6 | /// `PIDFD_*` flags for use with [`pidfd_open`]. |
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| 7 | /// |
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| 8 | /// [`pidfd_open`]: crate::process::pidfd_open |
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| 9 | pub struct PidfdFlags: backend::c::c_uint { |
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| 10 | /// `PIDFD_NONBLOCK`. |
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| 11 | const NONBLOCK = backend::c::PIDFD_NONBLOCK; |
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| 12 | } |
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| 13 | } |
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| 14 | |
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| 15 | /// `syscall(SYS_pidfd_open, pid, flags)`—Creates a file descriptor for |
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| 16 | /// a process. |
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| 17 | /// |
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| 18 | /// # References |
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| 19 | /// - [Linux] |
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| 20 | /// |
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| 21 | /// [Linux]: https://man7.org/linux/man-pages/man2/pidfd_open.2.html |
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| 22 | #[inline ] |
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| 23 | pub fn pidfd_open(pid: Pid, flags: PidfdFlags) -> io::Result<OwnedFd> { |
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| 24 | backend::process::syscalls::pidfd_open(pid, flags) |
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| 25 | } |
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| 26 | |
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