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| author | Roland McGrath <roland@gnu.org> | 1996-02-13 11:38:58 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1996-02-13 11:38:58 +0000 |
| commit | 46d7de1907b6d575d9f156c1f93e0e8dd6254674 (patch) | |
| tree | 32de703090640fe1e571bd28d255cf03f91a3e44 /sysdeps/unix/sysv/linux/m68k/select.S | |
| parent | 4eea716e2dff234d74812ccd622baeeec9518e65 (diff) | |
| download | glibc-46d7de1907b6d575d9f156c1f93e0e8dd6254674.tar glibc-46d7de1907b6d575d9f156c1f93e0e8dd6254674.tar.gz glibc-46d7de1907b6d575d9f156c1f93e0e8dd6254674.tar.bz2 glibc-46d7de1907b6d575d9f156c1f93e0e8dd6254674.zip | |
Sat Feb 10 13:09:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/brk.c,
sysdeps/unix/sysv/linux/m68k/mmap.S,
sysdeps/unix/sysv/linux/m68k/select.S,
sysdeps/unix/sysv/linux/m68k/sigcontext.h,
sysdeps/unix/sysv/linux/m68k/sigreturn.S,
sysdeps/unix/sysv/linux/m68k/socket.S,
sysdeps/unix/sysv/linux/m68k/syscall.S,
sysdeps/unix/sysv/linux/m68k/sysdep.S,
sysdeps/unix/sysv/linux/m68k/sysdep.h: New files.
* sysdeps/unix/sysv/linux/m68k/brk.c,
sysdeps/unix/sysv/linux/m68k/mmap.S,
sysdeps/unix/sysv/linux/m68k/select.S,
sysdeps/unix/sysv/linux/m68k/sigcontext.h,
sysdeps/unix/sysv/linux/m68k/sigreturn.S,
sysdeps/unix/sysv/linux/m68k/socket.S,
sysdeps/unix/sysv/linux/m68k/syscall.S,
sysdeps/unix/sysv/linux/m68k/sysdep.S,
sysdeps/unix/sysv/linux/m68k/sysdep.h: New files.
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/select.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/select.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/select.S b/sysdeps/unix/sysv/linux/m68k/select.S new file mode 100644 index 0000000000..2770df82d1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/m68k/select.S @@ -0,0 +1,53 @@ +/* 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 <sysdep.h> +#define _ERRNO_H +#include <errnos.h> + +/* 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) |