home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1991, 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 <sysdep.h>
- #define _ERRNO_H
- #include <errnos.h>
-
- .globl C_SYMBOL_NAME(errno)
- .globl syscall_error
-
- #undef syscall_error
- #ifdef NO_UNDERSCORES
- __syscall_error:
- #else
- syscall_error:
- #endif
- #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 $EWOULDBLOCK_sys, %eax /* Is it the old EWOULDBLOCK? */
- jne notb /* Branch if not. */
- movl $EAGAIN, %eax /* Yes; translate it to EAGAIN. */
- #endif
- notb: movl %eax, C_SYMBOL_NAME(errno)
- movl $-1, %eax
- ret
-