1 files changed, 70 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-sigstate.c b/sysdeps/mach/hurd/htl/pt-sigstate.c
new file mode 100644
index 0000000000..f7050ec0df
--- /dev/null
+++ b/sysdeps/mach/hurd/htl/pt-sigstate.c
@@ -0,0 +1,70 @@
+/* Set a thread's signal state.  Hurd on Mach version.
+   Copyright (C) 2002-2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <pthread.h>
+#include <assert.h>
+#include <signal.h>
+#include <hurd/signal.h>
+
+#include <pt-internal.h>
+
+error_t
+__pthread_sigstate (struct __pthread *thread, int how,
+		    const sigset_t *set, sigset_t *oset, int clear_pending)
+{
+  error_t err = 0;
+  struct hurd_sigstate *ss;
+
+  ss = _hurd_thread_sigstate (thread->kernel_thread);
+  assert (ss);
+
+  __spin_lock (&ss->lock);
+
+  if (oset != NULL)
+    *oset = ss->blocked;
+
+  if (set != NULL)
+    {
+      switch (how)
+	{
+	case SIG_BLOCK:
+	  ss->blocked |= *set;
+	  break;
+
+	case SIG_SETMASK:
+	  ss->blocked = *set;
+	  break;
+
+	case SIG_UNBLOCK:
+	  ss->blocked &= ~*set;
+	  break;
+
+	default:
+	  err = EINVAL;
+	  break;
+	}
+      ss->blocked &= ~_SIG_CANT_MASK;
+    }
+
+  if (!err && clear_pending)
+    __sigemptyset (&ss->pending);
+
+  __spin_unlock (&ss->lock);
+
+  return err;
+}