diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/sigsuspend.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/sigsuspend.S | 39 |
1 files changed, 39 insertions, 0 deletions
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 <sysdep.h> + + .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 |