glibc/sysdeps/unix/bsd/Attic/osf1/alpha/sysdep.S

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1995-02-18 01:27:10 +00:00
/* Copyright (C) 1993 Free Software Foundation, Inc.
Contributed by Brendan Kehoe (brendan@zen.org).
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>
ENTRY(syscall_error)
#ifdef EWOULDBLOCK_sys
/* We translate the system's EWOULDBLOCK error into EAGAIN.
The GNU C library always defines EWOULDBLOCK==EAGAIN.
EWOULDBLOCK_sys is the original number. */
subq v0, EWOULDBLOCK_sys, t0
cmoveq t0, EAGAIN, v0
#endif
/* Store it in errno... */
! ldgp gp, 0(t12)
stl v0, errno
/* And just kick back a -1. */
ldil v0, -1
ret
.end syscall_error