sysdeps/unix/sysv/linux/i386/sysdep.c

   1 /* Copyright (C) 2015-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <sysdep.h>
  20
  21 /* This routine is jumped to by all the syscall handlers, to stash
  22    an error number into errno.  ERROR is the negative error number
  23    returned from the x86 kernel.  */
  24 int
  25 __attribute__ ((__regparm__ (1)))
  26 __syscall_error (int error)
  27 {
  28   __set_errno (-error);
  29   return -1;
  30 }