/* Copyright (C) 1992, 1993, 1994 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #define _ERRNO_H #include /* We jump here when a system call gets an error. The error number is negated in %eax. */ .globl syscall_error syscall_error: negl %eax /* Make it positive. */ #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN /* We translate the system's EWOULDBLOCK error into EAGAIN. The GNU C library always defines EWOULDBLOCK==EAGAIN. EWOULDBLOCK_sys is the original number. */ cmpl %eax, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */ jne 0f /* Branch if not. */ move $EAGAIN, %eax /* Yes; translate it to EAGAIN. */ #endif 0: movl %eax, _errno /* Store it in `errno'. */ move $-1, %eax /* Return -1. */ ret