31 lines
441 B
Go
31 lines
441 B
Go
package taskrunner
|
|
|
|
import "sync"
|
|
|
|
type Runner struct {
|
|
wg sync.WaitGroup
|
|
errors []error
|
|
mux sync.Mutex
|
|
}
|
|
|
|
func (r *Runner) Add(f func() error) {
|
|
r.wg.Add(1)
|
|
go func() {
|
|
defer r.wg.Done()
|
|
if err := f(); err != nil {
|
|
r.addError(err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func (r *Runner) addError(err error) {
|
|
r.mux.Lock()
|
|
defer r.mux.Unlock()
|
|
r.errors = append(r.errors, err)
|
|
}
|
|
|
|
func (r *Runner) Wait() []error {
|
|
r.wg.Wait()
|
|
return r.errors
|
|
}
|