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771c2f8512
I'm working on Stackdriver monitoring in another branch, which required updating `google.golang.org/genproto`, which required updating `google.golang.org/grpc`, which required updating `github.com/golang/protobuf`, and so on. This PR updates all of the Google-provided deps to their latest versions. In addition, there is: - A change in config.go to reflect an updated type name - Five files changed by `make fmt` Tested with `make build`, `make test`, and `make testacc`.
40 lines
1.4 KiB
Go
40 lines
1.4 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix
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// +build ppc64
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// Functions to access/create device major and minor numbers matching the
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// encoding used by the Linux kernel and glibc.
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//
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// The information below is extracted and adapted from bits/sysmacros.h in the
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// glibc sources:
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//
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// dev_t in glibc is 64-bit, with 32-bit major and minor numbers. glibc's
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// default encoding is MMMM Mmmm mmmM MMmm, where M is a hex digit of the major
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// number and m is a hex digit of the minor number. This is backward compatible
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// with legacy systems where dev_t is 16 bits wide, encoded as MMmm. It is also
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// backward compatible with the Linux kernel, which for some architectures uses
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// 32-bit dev_t, encoded as mmmM MMmm.
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package unix
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// Major returns the major component of a Linux device number.
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func Major(dev uint64) uint32 {
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return uint32((dev & 0x3fffffff00000000) >> 32)
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}
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// Minor returns the minor component of a Linux device number.
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func Minor(dev uint64) uint32 {
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return uint32((dev & 0x00000000ffffffff) >> 0)
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}
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// Mkdev returns a Linux device number generated from the given major and minor
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// components.
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func Mkdev(major, minor uint32) uint64 {
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var DEVNO64 uint64
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DEVNO64 = 0x8000000000000000
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return ((uint64(major) << 32) | (uint64(minor) & 0x00000000FFFFFFFF) | DEVNO64)
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}
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