From 0a4dc0f10b46da9de549c5354e7516948b8e9ec5 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 19 Mar 1996 19:52:29 +0000 Subject: [PATCH] Mon Mar 4 20:17:28 1996 David Mosberger-Tang * sysdeps/unix/sysv/linux/alpha/sigsuspend.S: new file (syscall expects set-value, not pointer to it). --- sysdeps/unix/sysv/linux/alpha/sigsuspend.S | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/alpha/sigsuspend.S diff --git a/sysdeps/unix/sysv/linux/alpha/sigsuspend.S b/sysdeps/unix/sysv/linux/alpha/sigsuspend.S new file mode 100644 index 0000000000..29cba8d312 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/sigsuspend.S @@ -0,0 +1,39 @@ +/* Copyright (C) 1993, 1995 Free Software Foundation, Inc. + Contributed by David Mosberger (davidm@cs.arizona.edu). + +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. */ + +/* sigsuspend is a special syscall since it needs to dereference the +sigset. */ + +#include + + .text +ENTRY(sigsuspend) + .prologue 0 + + ldq a0, 0(a0) + ldi v0, __NR_sigsuspend + call_pal PAL_callsys + bne a3, error + ret + +error: br gp, 1f +1: ldgp gp, 0(gp) + lda pv, syscall_error + jmp zero, (pv) + + .end sigsuspend