/* Linux fcntl syscall implementation -- non-cancellable.

   Copyright (C) 2018 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

   <http://www.gnu.org/licenses/>.  */

#include <fcntl.h>

#include <stdarg.h>

#include <errno.h>

#include <sysdep-cancel.h>

#include <not-cancel.h>

#ifndef __NR_fcntl64

# define __NR_fcntl64 __NR_fcntl

#endif

#ifndef FCNTL_ADJUST_CMD

# define FCNTL_ADJUST_CMD(__cmd) __cmd

#endif

int

__fcntl64_nocancel (int fd, int cmd, ...)

{

  va_list ap;

  void *arg;

  va_start (ap, cmd);

  arg = va_arg (ap, void *);

  va_end (ap);

  cmd = FCNTL_ADJUST_CMD (cmd);

  return __fcntl64_nocancel_adjusted (fd, cmd, arg);

}

hidden_def (__fcntl64_nocancel)

int

__fcntl64_nocancel_adjusted (int fd, int cmd, void *arg)

{

  if (cmd == F_GETOWN)

    {

      INTERNAL_SYSCALL_DECL (err);

      struct f_owner_ex fex;

      int res = INTERNAL_SYSCALL_CALL (fcntl64, err, fd, F_GETOWN_EX, &fex;;

      if (!INTERNAL_SYSCALL_ERROR_P (res, err))

	return fex.type == F_OWNER_GID ? -fex.pid : fex.pid;

      return INLINE_SYSCALL_ERROR_RETURN_VALUE

        (INTERNAL_SYSCALL_ERRNO (res, err));

    }

  return INLINE_SYSCALL_CALL (fcntl64, fd, cmd, (void *) arg);

}