bug: return the error from Pool.Submit/PoolWithFunc.Invoke accordingly (#297)

This commit is contained in:
Andy Pan 2023-09-18 22:40:46 +08:00 committed by GitHub
parent 45bc4f51ba
commit 2ce8d85f28
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 12 deletions

13
pool.go
View File

@ -217,11 +217,12 @@ func (p *Pool) Submit(task func()) error {
if p.IsClosed() {
return ErrPoolClosed
}
if w := p.retrieveWorker(); w != nil {
w, err := p.retrieveWorker()
if w != nil {
w.inputFunc(task)
return nil
}
return ErrPoolOverload
return err
}
// Running returns the number of workers currently running.
@ -328,7 +329,7 @@ func (p *Pool) addWaiting(delta int) {
}
// retrieveWorker returns an available worker to run the tasks.
func (p *Pool) retrieveWorker() (w worker) {
func (p *Pool) retrieveWorker() (w worker, err error) {
p.lock.Lock()
retry:
@ -350,7 +351,7 @@ retry:
// Bail out early if it's in nonblocking mode or the number of pending callers reaches the maximum limit value.
if p.options.Nonblocking || (p.options.MaxBlockingTasks != 0 && p.Waiting() >= p.options.MaxBlockingTasks) {
p.lock.Unlock()
return
return nil, ErrPoolOverload
}
// Otherwise, we'll have to keep them blocked and wait for at least one worker to be put back into pool.
@ -360,7 +361,7 @@ retry:
if p.IsClosed() {
p.lock.Unlock()
return
return nil, ErrPoolClosed
}
goto retry

View File

@ -223,11 +223,12 @@ func (p *PoolWithFunc) Invoke(args interface{}) error {
if p.IsClosed() {
return ErrPoolClosed
}
if w := p.retrieveWorker(); w != nil {
w, err := p.retrieveWorker()
if w != nil {
w.inputParam(args)
return nil
}
return ErrPoolOverload
return err
}
// Running returns the number of workers currently running.
@ -334,7 +335,7 @@ func (p *PoolWithFunc) addWaiting(delta int) {
}
// retrieveWorker returns an available worker to run the tasks.
func (p *PoolWithFunc) retrieveWorker() (w worker) {
func (p *PoolWithFunc) retrieveWorker() (w worker, err error) {
p.lock.Lock()
retry:
@ -356,7 +357,7 @@ retry:
// Bail out early if it's in nonblocking mode or the number of pending callers reaches the maximum limit value.
if p.options.Nonblocking || (p.options.MaxBlockingTasks != 0 && p.Waiting() >= p.options.MaxBlockingTasks) {
p.lock.Unlock()
return
return nil, ErrPoolOverload
}
// Otherwise, we'll have to keep them blocked and wait for at least one worker to be put back into pool.
@ -366,7 +367,7 @@ retry:
if p.IsClosed() {
p.lock.Unlock()
return
return nil, ErrPoolClosed
}
goto retry