1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/generic/sigaddset.c b/sysdeps/generic/sigaddset.c
new file mode 100644
index 00000000..14edb71c
--- /dev/null
+++ b/sysdeps/generic/sigaddset.c
@@ -0,0 +1,35 @@
+/* sigaddset.c - Generic sigaddset implementation.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License
+   as published by the Free Software Foundation; either version 3 of
+   the License, or (at your option) any later version.
+
+   The GNU Hurd 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "sig-internal.h"
+
+int
+sigaddset (sigset_t *sigset, int signo)
+{
+  if (signo <= 0 || signo >= NSIG)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  *sigset |= sigmask (signo);
+  return 0;
+}
+