--- xnu/xnu-12377.101.15/bsd/pthread/pthread_priority.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2017 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- *
- */
-
-#include <pthread/priority_private.h>
-
-#ifndef QOS_MIN_RELATIVE_PRIORITY // from <sys/qos.h> in userspace
-#define QOS_MIN_RELATIVE_PRIORITY -15
-#endif
-
-pthread_priority_compact_t
-_pthread_priority_normalize(pthread_priority_t pp)
-{
-	if (pp & _PTHREAD_PRIORITY_EVENT_MANAGER_FLAG) {
-		return _PTHREAD_PRIORITY_EVENT_MANAGER_FLAG;
-	}
-	if (_pthread_priority_has_qos(pp)) {
-		int relpri = _pthread_priority_relpri(pp);
-		if (relpri > 0 || relpri < QOS_MIN_RELATIVE_PRIORITY) {
-			pp |= _PTHREAD_PRIORITY_PRIORITY_MASK;
-		}
-		return pp & (_PTHREAD_PRIORITY_OVERCOMMIT_FLAG |
-		       _PTHREAD_PRIORITY_FALLBACK_FLAG |
-		       _PTHREAD_PRIORITY_QOS_CLASS_MASK |
-		       _PTHREAD_PRIORITY_PRIORITY_MASK);
-	}
-	return _pthread_unspecified_priority();
-}
-
-pthread_priority_compact_t
-_pthread_priority_normalize_for_ipc(pthread_priority_t pp)
-{
-	if (_pthread_priority_has_qos(pp)) {
-		int relpri = _pthread_priority_relpri(pp);
-		if (relpri > 0 || relpri < QOS_MIN_RELATIVE_PRIORITY) {
-			pp |= _PTHREAD_PRIORITY_PRIORITY_MASK;
-		}
-		return pp & (_PTHREAD_PRIORITY_QOS_CLASS_MASK |
-		       _PTHREAD_PRIORITY_PRIORITY_MASK);
-	}
-	return _pthread_unspecified_priority();
-}
-
-pthread_priority_compact_t
-_pthread_priority_combine(pthread_priority_t base_pp, thread_qos_t qos)
-{
-	if (base_pp & _PTHREAD_PRIORITY_EVENT_MANAGER_FLAG) {
-		return _PTHREAD_PRIORITY_EVENT_MANAGER_FLAG;
-	}
-
-	if (base_pp & _PTHREAD_PRIORITY_FALLBACK_FLAG) {
-		if (!qos) {
-			return (pthread_priority_compact_t)base_pp;
-		}
-	} else if (qos < _pthread_priority_thread_qos(base_pp)) {
-		return (pthread_priority_compact_t)base_pp;
-	}
-
-	return _pthread_priority_make_from_thread_qos(qos, 0,
-	           base_pp & _PTHREAD_PRIORITY_OVERCOMMIT_FLAG);
-}