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Jamie LiuandgVisor bot
cc78e622c6
- Remove the pipe package's dependence on the buffer package, which becomes unused as a result. The buffer package is currently intended to serve two use cases, pipes and temporary buffers, and does neither optimally as a result; this change facilitates retooling the buffer package to better serve the latter. - Pass callbacks taking safemem.BlockSeq to the internal pipe I/O methods, which makes most callbacks trivial. - Fix VFS1's splice() and tee() to immediately return if a pipe returns a partial write. PiperOrigin-RevId: 351911375
27 lines
867 B
Go
27 lines
867 B
Go
// Copyright 2020 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 pipe
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import (
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"gvisor.dev/gvisor/pkg/safemem"
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)
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// afterLoad is called by stateify.
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func (p *Pipe) afterLoad() {
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p.bufBlocks[0] = safemem.BlockFromSafeSlice(p.buf)
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p.bufBlocks[1] = p.bufBlocks[0]
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p.bufBlockSeq = safemem.BlockSeqFromSlice(p.bufBlocks[:])
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}
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