61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright 2017 the gousb Authors. All rights reserved.
|
|
//
|
|
// 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.
|
|
|
|
package usb
|
|
|
|
import "sync"
|
|
|
|
type fakeLibusb struct {
|
|
sync.Mutex
|
|
ts map[*libusbTransfer]chan struct{}
|
|
libusbIntf
|
|
}
|
|
|
|
func (f *fakeLibusb) submit(t *libusbTransfer) error {
|
|
f.Lock()
|
|
defer f.Unlock()
|
|
if f.ts[t] == nil {
|
|
f.ts[t] = make(chan struct{})
|
|
}
|
|
close(f.ts[t])
|
|
return nil
|
|
}
|
|
|
|
func (f *fakeLibusb) cancel(t *libusbTransfer) error { return nil }
|
|
|
|
func (f *fakeLibusb) waitForSubmit(t *usbTransfer) {
|
|
f.Lock()
|
|
if f.ts[t.xfer] == nil {
|
|
f.ts[t.xfer] = make(chan struct{})
|
|
}
|
|
ch := f.ts[t.xfer]
|
|
f.Unlock()
|
|
<-ch
|
|
}
|
|
|
|
func (f *fakeLibusb) runCallback(t *usbTransfer, cb func(*usbTransfer)) {
|
|
f.Lock()
|
|
defer f.Unlock()
|
|
delete(f.ts, t.xfer)
|
|
cb(t)
|
|
close(t.done)
|
|
}
|
|
|
|
func newFakeLibusb() *fakeLibusb {
|
|
return &fakeLibusb{
|
|
ts: make(map[*libusbTransfer]chan struct{}),
|
|
libusbIntf: libusbImpl{},
|
|
}
|
|
}
|