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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
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright 2021 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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// Default values for POSIX message queues. Source:
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// include/linux/ipc_namespace.h
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const (
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DFLT_QUEUESMAX = 256
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MIN_MSGMAX = 1
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DFLT_MSG uint = 10
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DFLT_MSGMAX = 10
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HARD_MSGMAX = 65536
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MIN_MSGSIZEMAX = 128
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DFLT_MSGSIZE uint = 8192
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DFLT_MSGSIZEMAX = 8192
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HARD_MSGSIZEMAX = (16 * 1024 * 1024)
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)
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// Maximum values for a message queue. Source: include/uapi/linux/mqueue.h
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const (
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MQ_PRIO_MAX = 32768
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MQ_BYTES_MAX = 819200
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)
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// Codes used by mq_notify. Source: include/uapi/linux/mqueue.h
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const (
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NOTIFY_NONE = 0
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NOTIFY_WOKENUP = 1
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NOTIFY_REMOVED = 2
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NOTIFY_COOKIE_LEN = 32
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)
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// MqAttr is equivalent to struct mq_attr. Source: include/uapi/linux/mqueue.h
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//
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// +marshal
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type MqAttr struct {
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_ structs.HostLayout
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MqFlags int64 // Message queue flags.
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MqMaxmsg int64 // Maximum number of messages.
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MqMsgsize int64 // Maximum message size.
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MqCurmsgs int64 // Number of messages currently queued.
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_ [4]int64 // Ignored for input, zeroed for output.
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}
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