49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
// Copyright 2019 Dolthub, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// This file incorporates work covered by the following copyright and
|
|
// permission notice:
|
|
//
|
|
// Copyright 2016 Attic Labs, Inc. All rights reserved.
|
|
// Licensed under the Apache License, version 2.0:
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
package functions
|
|
|
|
import (
|
|
"sync"
|
|
"sync/atomic"
|
|
)
|
|
|
|
// All runs all functions in |fs| in parallel, and returns when all functions have returned.
|
|
func All(fs ...func() error) error {
|
|
var res atomic.Value
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(len(fs))
|
|
for _, f := range fs {
|
|
capf := f
|
|
go func() {
|
|
defer wg.Done()
|
|
if err := capf(); err != nil {
|
|
res.Store(err)
|
|
}
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
if err := res.Load(); err != nil {
|
|
return err.(error)
|
|
}
|
|
return nil
|
|
}
|