gotosocial/vendor/codeberg.org/gruf/go-runners/context.go
tobi 5004e0a9da
[bugfix] Fix remote media pruning failing if media already gone (#548)
* fix error check of prune to allow missing files

* update go-store library, add test for pruning item with db entry but no file

Signed-off-by: kim <grufwub@gmail.com>

* remove now-unneccessary error check

Signed-off-by: kim <grufwub@gmail.com>

Co-authored-by: kim <grufwub@gmail.com>
2022-05-08 18:49:45 +01:00

44 lines
791 B
Go

package runners
import (
"context"
"time"
)
// closedctx is an always closed context.
var closedctx = func() context.Context {
ctx := make(cancelctx)
close(ctx)
return ctx
}()
// ContextWithCancel returns a new context.Context impl with cancel.
func ContextWithCancel() (context.Context, context.CancelFunc) {
ctx := make(cancelctx)
return ctx, func() { close(ctx) }
}
// cancelctx is the simplest possible cancellable context.
type cancelctx (chan struct{})
func (cancelctx) Deadline() (time.Time, bool) {
return time.Time{}, false
}
func (ctx cancelctx) Done() <-chan struct{} {
return ctx
}
func (ctx cancelctx) Err() error {
select {
case <-ctx:
return context.Canceled
default:
return nil
}
}
func (cancelctx) Value(key interface{}) interface{} {
return nil
}