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Etienne PerotandgVisor bot
056a85f39d
This change marks all ABI-related structs with `structs.HostLayout`, which was introduced in Go 1.23: https://pkg.go.dev/[email protected]#HostLayout This is intended to force the Go compiler to preserve the layout of the struct, removing it from the liberty of reordering fields as it sees fit. Adds a check automatically generated by our `go_library` rule wrapper which verifies this recursively for all exported structs in a package. Fixes issue #10693. PiperOrigin-RevId: 860238103
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package linux
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import (
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"structs"
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)
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// Commands from linux/fcntl.h.
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const (
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F_DUPFD = 0
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F_GETFD = 1
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F_SETFD = 2
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F_GETFL = 3
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F_SETFL = 4
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F_GETLK = 5
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F_SETLK = 6
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F_SETLKW = 7
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F_SETOWN = 8
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F_GETOWN = 9
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F_SETSIG = 10
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F_GETSIG = 11
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F_SETOWN_EX = 15
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F_GETOWN_EX = 16
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F_OFD_GETLK = 36
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F_OFD_SETLK = 37
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F_OFD_SETLKW = 38
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F_DUPFD_CLOEXEC = 1024 + 6
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F_SETPIPE_SZ = 1024 + 7
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F_GETPIPE_SZ = 1024 + 8
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)
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// Commands for F_SETLK.
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const (
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F_RDLCK = 0
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F_WRLCK = 1
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F_UNLCK = 2
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)
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// Flags for fcntl.
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const (
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FD_CLOEXEC = 00000001
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)
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// Flock is the lock structure for F_SETLK.
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//
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// +marshal
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type Flock struct {
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_ structs.HostLayout
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Type int16
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Whence int16
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_ [4]byte
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Start int64
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Len int64
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PID int32
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_ [4]byte
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}
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// Owner types for F_SETOWN_EX and F_GETOWN_EX.
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const (
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F_OWNER_TID = 0
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F_OWNER_PID = 1
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F_OWNER_PGRP = 2
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)
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// FOwnerEx is the owner structure for F_SETOWN_EX and F_GETOWN_EX.
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//
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// +marshal
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type FOwnerEx struct {
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_ structs.HostLayout
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Type int32
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PID int32
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}
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