2716fd041a
Please refer to link below to get more detailed info on bbolt@v1.3.7, - https://github.com/etcd-io/bbolt/blob/master/CHANGELOG/CHANGELOG-1.3.md#v1372023-01-31 Signed-off-by: Benjamin Wang <wachao@vmware.com>
38 lines
718 B
Go
38 lines
718 B
Go
//go:build !windows
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// +build !windows
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package bbolt
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import "golang.org/x/sys/unix"
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// mlock locks memory of db file
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func mlock(db *DB, fileSize int) error {
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sizeToLock := fileSize
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if sizeToLock > db.datasz {
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// Can't lock more than mmaped slice
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sizeToLock = db.datasz
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}
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if err := unix.Mlock(db.dataref[:sizeToLock]); err != nil {
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return err
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}
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return nil
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}
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// munlock unlocks memory of db file
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func munlock(db *DB, fileSize int) error {
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if db.dataref == nil {
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return nil
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}
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sizeToUnlock := fileSize
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if sizeToUnlock > db.datasz {
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// Can't unlock more than mmaped slice
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sizeToUnlock = db.datasz
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}
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if err := unix.Munlock(db.dataref[:sizeToUnlock]); err != nil {
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return err
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}
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return nil
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}
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