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authorTyler Davis <tydavis@gmail.com>2022-01-06 04:50:20 +0000
committerTyler Davis <tydavis@gmail.com>2022-01-06 04:50:20 +0000
commitb6385e524ebbfe242f9d36eb4361f8568e6bf895 (patch)
tree90d136278e520af555f64479973c287f39719361 /vendor/golang.org/x/sys/unix/dev_zos.go
parenta687ebabb6589ebb36a9c385f583a19ac462b831 (diff)
downloaddnstracker-b6385e524ebbfe242f9d36eb4361f8568e6bf895.tar.gz
dnstracker-b6385e524ebbfe242f9d36eb4361f8568e6bf895.zip
Update module to 1.17 and update all deps
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_zos.go')
-rw-r--r--vendor/golang.org/x/sys/unix/dev_zos.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_zos.go b/vendor/golang.org/x/sys/unix/dev_zos.go
new file mode 100644
index 0000000..a388e59
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/dev_zos.go
@@ -0,0 +1,29 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used by z/OS.
+//
+// The information below is extracted and adapted from <sys/stat.h> macros.
+
+package unix
+
+// Major returns the major component of a z/OS device number.
+func Major(dev uint64) uint32 {
+ return uint32((dev >> 16) & 0x0000FFFF)
+}
+
+// Minor returns the minor component of a z/OS device number.
+func Minor(dev uint64) uint32 {
+ return uint32(dev & 0x0000FFFF)
+}
+
+// Mkdev returns a z/OS device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+ return (uint64(major) << 16) | uint64(minor)
+}