/* Copyright (C) 1996 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #define _ERRNO_H #include /* Linux has two versions of the select system call. The old one expected one argument which must be a pointer to a struct which contains the five values. The new version expects the five arguments be given in the registers. First try the new version, if it's not available fall back to the old version. */ .text SYSCALL_ERROR_HANDLER ENTRY (__select) #if 0 /* For now only use the old version. */ DO_CALL (#SYS_ify (_newselect), 5) tst.l %d0 jmi 1f rts 1: move.l #-ENOSYS, %d1 cmp.l %d1, %d0 jne syscall_error /* Real error */ /* Try again using the old syscall interface. */ #endif lea 4(%sp), %a0 move.l %a0, %d1 move.l #SYS_ify (select), %d0 trap #0 tst.l %d0 jmi syscall_error ret weak_alias (__select, select)