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-rw-r--r--vendor/rustix/src/process/pidfd.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/rustix/src/process/pidfd.rs b/vendor/rustix/src/process/pidfd.rs
new file mode 100644
index 000000000..c9ddb591f
--- /dev/null
+++ b/vendor/rustix/src/process/pidfd.rs
@@ -0,0 +1,25 @@
+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
+ pub struct PidfdFlags: backend::c::c_uint {
+ /// `PIDFD_NONBLOCK`.
+ const NONBLOCK = backend::c::PIDFD_NONBLOCK;
+ }
+}
+
+/// `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)
+}