rwuMutex

package module

v0.0.0-...-994bf8c Latest Latest Go to latest Published: Nov 11, 2020 License: MIT Imports: 1 Imported by: 0

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Upgradeable RWMutex written in Go. I made this to build a toy DBMS with no-wait.

 n : n read lock
 0 : no lock
-1 : write lock

- GetState() int32
- TryLock() bool
- TryRLock() bool
- Unlock()
- RUnlock()
- TryUpgrade() bool

MIT

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const (
	WriterExist = -1
	NotExist    = 0
)

This section is empty.

This section is empty.

type RWUMutex struct {
	// contains filtered or unexported fields
}

func (mu *RWUMutex) GetState() int32

func (mu *RWUMutex) RUnlock()

func (mu *RWUMutex) TryLock() bool

func (mu *RWUMutex) TryRLock() bool

func (mu *RWUMutex) TryUpgrade() bool

func (mu *RWUMutex) Unlock()