sysdeps/unix/sysv/sysv4/i386/sysdep.h

   1 /* Copyright (C) 1994, 1997 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <sysdeps/unix/sysv/i386/sysdep.h>
  20
  21 /* In SVR4 some system calls can fail with the error ERESTART,
  22    and this means the call should be retried.  */
  23
  24 #ifndef _ERRNO_H
  25 #define _ERRNO_H
  26 #endif
  27 #include <bits/errno.h>
  28
  29 #undef  PSEUDO
  30 #define PSEUDO(name, syscall_name, args)                                      \
  31   .globl syscall_error;                                                       \
  32   ENTRY (name)                                                                \
  33   DO_CALL (syscall_name, args);                                               \
  34   jae noerror;                                                                \
  35   cmpb $ERESTART, %al;                                                        \
  36   je C_SYMBOL_NAME (name);                                                    \
  37   jmp syscall_error;                                                          \
  38   noerror: