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rebase: Bump golang.org/x/sys from 0.9.0 to 0.10.0
Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.9.0 to 0.10.0. - [Commits](https://github.com/golang/sys/compare/v0.9.0...v0.10.0) --- updated-dependencies: - dependency-name: golang.org/x/sys dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
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mergify[bot]
parent
254699cb1a
commit
d231cde05e
40
vendor/golang.org/x/sys/unix/mremap.go
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vendor/golang.org/x/sys/unix/mremap.go
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// Copyright 2023 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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//go:build linux
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// +build linux
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package unix
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import "unsafe"
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type mremapMmapper struct {
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mmapper
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mremap func(oldaddr uintptr, oldlength uintptr, newlength uintptr, flags int, newaddr uintptr) (xaddr uintptr, err error)
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}
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func (m *mremapMmapper) Mremap(oldData []byte, newLength int, flags int) (data []byte, err error) {
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if newLength <= 0 || len(oldData) == 0 || len(oldData) != cap(oldData) || flags&MREMAP_FIXED != 0 {
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return nil, EINVAL
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}
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pOld := &oldData[cap(oldData)-1]
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m.Lock()
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defer m.Unlock()
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bOld := m.active[pOld]
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if bOld == nil || &bOld[0] != &oldData[0] {
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return nil, EINVAL
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}
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newAddr, errno := m.mremap(uintptr(unsafe.Pointer(&bOld[0])), uintptr(len(bOld)), uintptr(newLength), flags, 0)
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if errno != nil {
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return nil, errno
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}
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bNew := unsafe.Slice((*byte)(unsafe.Pointer(newAddr)), newLength)
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pNew := &bNew[cap(bNew)-1]
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if flags&MREMAP_DONTUNMAP == 0 {
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delete(m.active, pOld)
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}
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m.active[pNew] = bNew
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return bNew, nil
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}
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