gf/os/gmlock/gmlock.go

90 lines
2.6 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
// Package gmlock implements a concurrent-safe memory-based locker.
package gmlock
var (
// Default locker.
locker = New()
)
// Lock locks the `key` with writing lock.
// If there's a write/reading lock the `key`,
// it will blocks until the lock is released.
func Lock(key string) {
locker.Lock(key)
}
// TryLock tries locking the `key` with writing lock,
// it returns true if success, or if there's a write/reading lock the `key`,
// it returns false.
func TryLock(key string) bool {
return locker.TryLock(key)
}
// Unlock unlocks the writing lock of the `key`.
func Unlock(key string) {
locker.Unlock(key)
}
// RLock locks the `key` with reading lock.
// If there's a writing lock on `key`,
// it will blocks until the writing lock is released.
func RLock(key string) {
locker.RLock(key)
}
// TryRLock tries locking the `key` with reading lock.
// It returns true if success, or if there's a writing lock on `key`, it returns false.
func TryRLock(key string) bool {
return locker.TryRLock(key)
}
// RUnlock unlocks the reading lock of the `key`.
func RUnlock(key string) {
locker.RUnlock(key)
}
// LockFunc locks the `key` with writing lock and callback function `f`.
// If there's a write/reading lock the `key`,
// it will blocks until the lock is released.
//
// It releases the lock after `f` is executed.
func LockFunc(key string, f func()) {
locker.LockFunc(key, f)
}
// RLockFunc locks the `key` with reading lock and callback function `f`.
// If there's a writing lock the `key`,
// it will blocks until the lock is released.
//
// It releases the lock after `f` is executed.
func RLockFunc(key string, f func()) {
locker.RLockFunc(key, f)
}
// TryLockFunc locks the `key` with writing lock and callback function `f`.
// It returns true if success, or else if there's a write/reading lock the `key`, it return false.
//
// It releases the lock after `f` is executed.
func TryLockFunc(key string, f func()) bool {
return locker.TryLockFunc(key, f)
}
// TryRLockFunc locks the `key` with reading lock and callback function `f`.
// It returns true if success, or else if there's a writing lock the `key`, it returns false.
//
// It releases the lock after `f` is executed.
func TryRLockFunc(key string, f func()) bool {
return locker.TryRLockFunc(key, f)
}
// Remove removes mutex with given `key`.
func Remove(key string) {
locker.Remove(key)
}