src/missing.h

/*-*- Mode: C; c-basic-offset: 8 -*-*/

#ifndef foomissinghfoo
#define foomissinghfoo

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  systemd 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

/* Missing glibc definitions to access certain kernel APIs */

#include <sys/resource.h>
#include <sys/syscall.h>
#include <fcntl.h>
#include <unistd.h>

#include "macro.h"

#ifndef RLIMIT_RTTIME
#define RLIMIT_RTTIME 15
#endif

#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
#endif

#ifndef F_SETPIPE_SZ
#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
#endif

#ifndef F_GETPIPE_SZ
#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
#endif

#ifndef IP_FREEBIND
#define IP_FREEBIND 15
#endif

static inline int pivot_root(const char *new_root, const char *put_old) {
        return syscall(SYS_pivot_root, new_root, put_old);
}

/* This is an internal glibc function call. We are not supposed to
 * call this, because we are not nscd. However sometimes we feel
 * really dangerous and do it nonetheless. Muahahah! But at least we
 * protect this with a weak ref just in case glibc takes this away
 * from us. */

/* static void nss_disable_nscd(void) _weakref_(__nss_disable_nscd); */

#endif