22 lines
433 B
C
22 lines
433 B
C
// 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);
|
|
}
|