// Released under the MIT License.
// Copyright, 2021-2025, by Samuel Williams.

#include <ruby.h>

#include <sys/types.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <poll.h>
#include <stdlib.h>
#include <stdio.h>

#ifndef __NR_pidfd_open
#define __NR_pidfd_open 434   /* System call # on most architectures */
#endif

static int
pidfd_open(pid_t pid, unsigned int flags)
{
	return syscall(__NR_pidfd_open, pid, flags);
}