go-pkg/asynq
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Make Launcher thread safe

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This commit is contained in:
Ken Hibino 2019-11-19 07:46:04 -08:00
parent e238d3835d
commit eb6a5032f6
1 changed files with 7 additions and 1 deletions
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8
asynq.go
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@ -15,6 +15,7 @@ import (
"math"
"math/rand"
"strconv"
"sync"
"time"
"github.com/go-redis/redis/v7"
@ -105,8 +106,9 @@ func (c *Client) enqueue(msg *taskMessage, executeAt time.Time) error {
type Launcher struct {
rdb *redis.Client
// running indicates whether the workes are currently running.
// running indicates whether manager and poller are both running.
running bool
mu sync.Mutex
poller *poller
@ -135,6 +137,8 @@ type TaskHandler func(*Task) error
// Start starts the manager and poller.
func (l *Launcher) Start(handler TaskHandler) {
l.mu.Lock()
defer l.mu.Unlock()
if l.running {
return
}
@ -147,6 +151,8 @@ func (l *Launcher) Start(handler TaskHandler) {
// Stop stops both manager and poller.
func (l *Launcher) Stop() {
l.mu.Lock()
defer l.mu.Unlock()
if !l.running {
return
}