Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 53 insertions, 0 deletions

diff --git a/vendor/rustix/src/process/rlimit.rs b/vendor/rustix/src/process/rlimit.rs
new file mode 100644
index 0000000..ea760c2
--- /dev/null
+++ b/vendor/rustix/src/process/rlimit.rs
@@ -0,0 +1,53 @@
+#[cfg(linux_kernel)]
+use crate::process::Pid;
+use crate::{backend, io};
+
+pub use backend::process::types::Resource;
+
+/// `struct rlimit`—Current and maximum values used in [`getrlimit`],
+/// [`setrlimit`], and [`prlimit`].
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Rlimit {
+    /// Current effective, “soft”, limit.
+    pub current: Option<u64>,
+    /// Maximum, “hard”, value that `current` may be dynamically increased to.
+    pub maximum: Option<u64>,
+}
+
+/// `getrlimit(resource)`—Get a process resource limit value.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getrlimit.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/getrlimit.2.html
+#[inline]
+pub fn getrlimit(resource: Resource) -> Rlimit {
+    backend::process::syscalls::getrlimit(resource)
+}
+
+/// `setrlimit(resource, new)`—Set a process resource limit value.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setrlimit.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/setrlimit.2.html
+#[inline]
+pub fn setrlimit(resource: Resource, new: Rlimit) -> io::Result<()> {
+    backend::process::syscalls::setrlimit(resource, new)
+}
+
+/// `prlimit(pid, resource, new)`—Get and set a process resource limit value.
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/prlimit.2.html
+#[cfg(linux_kernel)]
+#[inline]
+pub fn prlimit(pid: Option<Pid>, resource: Resource, new: Rlimit) -> io::Result<Rlimit> {
+    backend::process::syscalls::prlimit(pid, resource, new)
+}