File: sysdep.c

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glibc 2.24-11+deb9u4
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/* Copyright (C) 2015-2016 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 <errno.h>
#include <sysdep.h>

/* This routine is jumped to by all the syscall handlers, to stash
   an error number into errno.  ERROR is the negative error number
   returned from the x86 kernel.  */
int
__attribute__ ((__regparm__ (1)))
__syscall_error (int error)
{
  __set_errno (-error);
  return -1;
}