diff options
Diffstat (limited to 'pkg/sentry/kernel/eventfd')
-rw-r--r-- | pkg/sentry/kernel/eventfd/BUILD | 33 | ||||
-rwxr-xr-x | pkg/sentry/kernel/eventfd/eventfd_state_autogen.go | 29 | ||||
-rw-r--r-- | pkg/sentry/kernel/eventfd/eventfd_test.go | 78 |
3 files changed, 29 insertions, 111 deletions
diff --git a/pkg/sentry/kernel/eventfd/BUILD b/pkg/sentry/kernel/eventfd/BUILD deleted file mode 100644 index 9983a32e5..000000000 --- a/pkg/sentry/kernel/eventfd/BUILD +++ /dev/null @@ -1,33 +0,0 @@ -load("//tools:defs.bzl", "go_library", "go_test") - -package(licenses = ["notice"]) - -go_library( - name = "eventfd", - srcs = ["eventfd.go"], - visibility = ["//pkg/sentry:internal"], - deps = [ - "//pkg/abi/linux", - "//pkg/context", - "//pkg/fdnotifier", - "//pkg/sentry/fs", - "//pkg/sentry/fs/anon", - "//pkg/sentry/fs/fsutil", - "//pkg/sync", - "//pkg/syserror", - "//pkg/usermem", - "//pkg/waiter", - ], -) - -go_test( - name = "eventfd_test", - size = "small", - srcs = ["eventfd_test.go"], - library = ":eventfd", - deps = [ - "//pkg/sentry/contexttest", - "//pkg/usermem", - "//pkg/waiter", - ], -) diff --git a/pkg/sentry/kernel/eventfd/eventfd_state_autogen.go b/pkg/sentry/kernel/eventfd/eventfd_state_autogen.go new file mode 100755 index 000000000..9cf0ac817 --- /dev/null +++ b/pkg/sentry/kernel/eventfd/eventfd_state_autogen.go @@ -0,0 +1,29 @@ +// automatically generated by stateify. + +package eventfd + +import ( + "gvisor.dev/gvisor/pkg/state" +) + +func (x *EventOperations) beforeSave() {} +func (x *EventOperations) save(m state.Map) { + x.beforeSave() + if !state.IsZeroValue(x.wq) { + m.Failf("wq is %v, expected zero", x.wq) + } + m.Save("val", &x.val) + m.Save("semMode", &x.semMode) + m.Save("hostfd", &x.hostfd) +} + +func (x *EventOperations) afterLoad() {} +func (x *EventOperations) load(m state.Map) { + m.Load("val", &x.val) + m.Load("semMode", &x.semMode) + m.Load("hostfd", &x.hostfd) +} + +func init() { + state.Register("pkg/sentry/kernel/eventfd.EventOperations", (*EventOperations)(nil), state.Fns{Save: (*EventOperations).save, Load: (*EventOperations).load}) +} diff --git a/pkg/sentry/kernel/eventfd/eventfd_test.go b/pkg/sentry/kernel/eventfd/eventfd_test.go deleted file mode 100644 index 9b4892f74..000000000 --- a/pkg/sentry/kernel/eventfd/eventfd_test.go +++ /dev/null @@ -1,78 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// 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 eventfd - -import ( - "testing" - - "gvisor.dev/gvisor/pkg/sentry/contexttest" - "gvisor.dev/gvisor/pkg/usermem" - "gvisor.dev/gvisor/pkg/waiter" -) - -func TestEventfd(t *testing.T) { - initVals := []uint64{ - 0, - // Using a non-zero initial value verifies that writing to an - // eventfd signals when the eventfd's counter was already - // non-zero. - 343, - } - - for _, initVal := range initVals { - ctx := contexttest.Context(t) - - // Make a new event that is writable. - event := New(ctx, initVal, false) - - // Register a callback for a write event. - w, ch := waiter.NewChannelEntry(nil) - event.EventRegister(&w, waiter.EventIn) - defer event.EventUnregister(&w) - - data := []byte("00000124") - // Create and submit a write request. - n, err := event.Writev(ctx, usermem.BytesIOSequence(data)) - if err != nil { - t.Fatal(err) - } - if n != 8 { - t.Errorf("eventfd.write wrote %d bytes, not full int64", n) - } - - // Check if the callback fired due to the write event. - select { - case <-ch: - default: - t.Errorf("Didn't get notified of EventIn after write") - } - } -} - -func TestEventfdStat(t *testing.T) { - ctx := contexttest.Context(t) - - // Make a new event that is writable. - event := New(ctx, 0, false) - - // Create and submit an stat request. - uattr, err := event.Dirent.Inode.UnstableAttr(ctx) - if err != nil { - t.Fatalf("eventfd stat request failed: %v", err) - } - if uattr.Size != 0 { - t.Fatal("EventFD size should be 0") - } -} |