1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/pthread_mutexattr_getprioceiling.c b/REORG.TODO/nptl/pthread_mutexattr_getprioceiling.c
new file mode 100644
index 0000000000..7d3944d25f
--- /dev/null
+++ b/REORG.TODO/nptl/pthread_mutexattr_getprioceiling.c
@@ -0,0 +1,48 @@
+/* Get priority ceiling setting from pthread_mutexattr_t.
+   Copyright (C) 2006-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
+
+   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 <pthreadP.h>
+#include <atomic.h>
+
+
+int
+pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *attr,
+				  int *prioceiling)
+{
+  const struct pthread_mutexattr *iattr;
+  int ceiling;
+
+  iattr = (const struct pthread_mutexattr *) attr;
+
+  ceiling = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
+	     >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT);
+
+  if (! ceiling)
+    {
+      /* See __init_sched_fifo_prio.  */
+      if (atomic_load_relaxed (&__sched_fifo_min_prio) == -1)
+	__init_sched_fifo_prio ();
+      if (ceiling < atomic_load_relaxed (&__sched_fifo_min_prio))
+	ceiling = atomic_load_relaxed (&__sched_fifo_min_prio);
+    }
+
+  *prioceiling = ceiling;
+
+  return 0;
+}