1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/l4/hurd/sigprocmask.c b/sysdeps/l4/hurd/sigprocmask.c
new file mode 100644
index 00000000..a38b3795
--- /dev/null
+++ b/sysdeps/l4/hurd/sigprocmask.c
@@ -0,0 +1,41 @@
+/* sigprocmask.c - Generic sigprocmask 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 <pt-internal.h>
+#include <sig-internal.h>
+
+int
+sigprocmask (int how, const sigset_t *restrict set, sigset_t *restrict old)
+{
+  struct __pthread *thread = _pthread_self ();
+  if (! thread)
+    /* Library is initializing.  */
+    {
+      assert (__pthread_num_threads == 1);
+
+      /* We should get the default mask from the startup data structure.  */
+      if (old)
+	*old = 0;
+
+      return 0;
+    }
+
+  return pthread_sigmask (how, set, old);
+}