1 files changed, 34 insertions, 0 deletions
diff --git a/nptl/pthread_attr_setsigmask.c b/nptl/pthread_attr_setsigmask.c
new file mode 100644
index 0000000000..4574f51056
--- /dev/null
+++ b/nptl/pthread_attr_setsigmask.c
@@ -0,0 +1,34 @@
+/* Set the signal mask in a POSIX thread attribute.  Public variant.
+   Copyright (C) 2020 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <pthreadP.h>
+#include <internal-signals.h>
+
+int
+pthread_attr_setsigmask_np (pthread_attr_t *attr, const sigset_t *sigmask)
+{
+  int ret = __pthread_attr_setsigmask_internal (attr, sigmask);
+  if (ret != 0)
+    return ret;
+
+  /* Filter out internal signals.  */
+  struct pthread_attr *iattr = (struct pthread_attr *) attr;
+  __clear_internal_signals (&iattr->extension->sigmask);
+
+  return 0;
+}