mirror of https://github.com/ceph/go-ceph
30 lines
621 B
Go
30 lines
621 B
Go
//go:build !no_ptrguard
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// +build !no_ptrguard
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package cutil
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import (
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"unsafe"
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)
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// SyncBuffer is a C buffer connected to a data slice
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type SyncBuffer struct {
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pg *PtrGuard
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}
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// NewSyncBuffer creates a C buffer from a data slice and stores it at CPtr
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func NewSyncBuffer(cPtr CPtr, data []byte) *SyncBuffer {
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var v SyncBuffer
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v.pg = NewPtrGuard(cPtr, unsafe.Pointer(&data[0]))
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return &v
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}
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// Release releases the C buffer and nulls its stored pointer
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func (v *SyncBuffer) Release() {
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v.pg.Release()
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}
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// Sync asserts that changes in the C buffer are available in the data
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// slice
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func (*SyncBuffer) Sync() {}
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