glibc/sysdeps/unix/sysv/linux/sys/pidfd.h

34 lines
1.2 KiB
C

/* Wrapper for file descriptors that refers to a process functions.
Copyright (C) 2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _PIDFD_H
#include <fcntl.h>
#include <bits/types/siginfo_t.h>
#define PIDFD_NONBLOCK O_NONBLOCK
/* Returns a file descriptor that refers to the process PID. The
close-on-exec is set on the file descriptor.
The FLAGS argument is reserved for future use, it must be specified
as 0. */
extern int pidfd_open (__pid_t __pid, unsigned int __flags) __THROW;
#endif /* _PIDFD_H */