From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/unix/bsd/sigsuspend.c | 46 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 sysdeps/unix/bsd/sigsuspend.c (limited to 'sysdeps/unix/bsd/sigsuspend.c') diff --git a/sysdeps/unix/bsd/sigsuspend.c b/sysdeps/unix/bsd/sigsuspend.c new file mode 100644 index 0000000000..fff56a950f --- /dev/null +++ b/sysdeps/unix/bsd/sigsuspend.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1991 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include +#include + + +/* Change the set of blocked signals to SET, + wait until a signal arrives, and restore the set of blocked signals. */ +int +DEFUN(sigsuspend, (set), CONST sigset_t *set) +{ + int mask; + int sig; + + if (set == NULL) + { + errno = EINVAL; + return -1; + } + + mask = 0; + for (sig = 1; sig <= NSIG; ++sig) + if (__sigismember(set, sig)) + mask |= sigmask(sig); + + return __sigpause(mask); +} -- cgit 1.4.1