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

   1 /* Copyright (C) 1994 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, 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 <errnos.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: