1 files changed, 40 insertions, 0 deletions
diff --git a/cpukit/posix/src/sigaddset.c b/cpukit/posix/src/sigaddset.c
new file mode 100644
index 0000000000..5c65ab60eb
--- /dev/null
+++ b/cpukit/posix/src/sigaddset.c
@@ -0,0 +1,40 @@
+/*
+ *  3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/posix/sigset.h>
+#include <rtems/seterr.h>
+
+int sigaddset(
+  sigset_t   *set,
+  int         signo
+)
+{
+  if ( !set )
+    rtems_set_errno_and_return_minus_one( EINVAL );
+
+  if ( !signo )
+    rtems_set_errno_and_return_minus_one( EINVAL );
+
+  if ( !is_valid_signo(signo) )
+    rtems_set_errno_and_return_minus_one( EINVAL );
+
+  *set |= signo_to_mask(signo);
+  return 0;
+}