// SPDX-License-Identifier: GPL-2.0

#include <linux/pid_namespace.h>
#include <linux/cleanup.h>

__rust_helper struct pid_namespace *
rust_helper_get_pid_ns(struct pid_namespace *ns)
{
        return get_pid_ns(ns);
}

__rust_helper void rust_helper_put_pid_ns(struct pid_namespace *ns)
{
        put_pid_ns(ns);
}

/* Get a reference on a task's pid namespace. */
__rust_helper struct pid_namespace *
rust_helper_task_get_pid_ns(struct task_struct *task)
{
        struct pid_namespace *pid_ns;

        guard(rcu)();
        pid_ns = task_active_pid_ns(task);
        if (pid_ns)
                get_pid_ns(pid_ns);
        return pid_ns;
}