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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Locker ¶
type Locker interface {
// Lock try locking object, return err if fails.
Lock() error
// Unlock unlock object lock, if fail return err
Unlock() error
// TryLock will try to lock object and return whether it succeed or not without blocking.
TryLock() bool
}
func NewFileLock ¶
NewFileLock create new file lock instance
func NewMemoryLock ¶
NewMemoryLock create new memory lock instance
type MemoryLock ¶
type MemoryLock struct {
// contains filtered or unexported fields
}
MemoryLock implements sync/Locker, default 0 indicates an unlocked memory.
func (*MemoryLock) Lock ¶
func (sl *MemoryLock) Lock() error
Lock locks memory. If the lock is locked before, the caller will be blocked until unlocked.
func (*MemoryLock) TryLock ¶
func (sl *MemoryLock) TryLock() bool
TryLock will try to lock memory and return whether it succeed or not without blocking.
func (*MemoryLock) Unlock ¶
func (sl *MemoryLock) Unlock() error
Unlock unlocks memory, this operation is reentrant。
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