--- xnu/xnu-12377.121.6/libsyscall/custom/errno.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2010 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 <TargetConditionals.h>
-#include <stddef.h>
-#include <stdint.h>
-#include "tsd.h"
-
-/*
- * cerror takes the return value of the syscall, being non-zero, and
- * stores it in errno. It needs to return -1 to indicate failure but
- * 64-bit platforms need to ensure that possible 128-bit wide return
- * values are also properly set.
- */
-#ifdef __LP64__
-typedef unsigned __int128 cerror_return_t;
-#else
-typedef uint64_t cerror_return_t;
-#endif
-
-extern void _pthread_exit_if_canceled(int error);
-
-#undef errno
-int errno;
-
-int *
-__error(void)
-{
-	void *ptr = _os_tsd_get_direct(__TSD_ERRNO);
-	if (ptr != NULL) {
-		return (int*)ptr;
-	}
-	return &errno;
-}
-
-__attribute__((noinline))
-cerror_return_t
-cerror_nocancel(int err)
-{
-	errno = err;
-	int *tsderrno = (int*)_os_tsd_get_direct(__TSD_ERRNO);
-	if (tsderrno) {
-		*tsderrno = err;
-	}
-	return -1;
-}
-
-__attribute__((noinline))
-cerror_return_t
-cerror(int err)
-{
-	_pthread_exit_if_canceled(err);
-	return cerror_nocancel(err);
-}