From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 vendor/rustix/src/process/pidfd.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 vendor/rustix/src/process/pidfd.rs

(limited to 'vendor/rustix/src/process/pidfd.rs')

diff --git a/vendor/rustix/src/process/pidfd.rs b/vendor/rustix/src/process/pidfd.rs
new file mode 100644
index 0000000..abebaf2
--- /dev/null
+++ b/vendor/rustix/src/process/pidfd.rs
@@ -0,0 +1,30 @@
+use crate::fd::OwnedFd;
+use crate::process::Pid;
+use crate::{backend, io};
+
+bitflags::bitflags! {
+    /// `PIDFD_*` flags for use with [`pidfd_open`].
+    ///
+    /// [`pidfd_open`]: crate::process::pidfd_open
+    #[repr(transparent)]
+    #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+    pub struct PidfdFlags: backend::c::c_uint {
+        /// `PIDFD_NONBLOCK`.
+        const NONBLOCK = backend::c::PIDFD_NONBLOCK;
+
+        /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags>
+        const _ = !0;
+    }
+}
+
+/// `syscall(SYS_pidfd_open, pid, flags)`—Creates a file descriptor for a
+/// process.
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/pidfd_open.2.html
+#[inline]
+pub fn pidfd_open(pid: Pid, flags: PidfdFlags) -> io::Result<OwnedFd> {
+    backend::process::syscalls::pidfd_open(pid, flags)
+}
-- 
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