diff options
Diffstat (limited to 'pkg/sentry/kernel/task_list.go')
| -rwxr-xr-x | pkg/sentry/kernel/task_list.go | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/pkg/sentry/kernel/task_list.go b/pkg/sentry/kernel/task_list.go index 57d3f098d..9b8f07b46 100755 --- a/pkg/sentry/kernel/task_list.go +++ b/pkg/sentry/kernel/task_list.go @@ -54,8 +54,9 @@ func (l *taskList) Back() *Task { // PushFront inserts the element e at the front of list l. func (l *taskList) PushFront(e *Task) { - taskElementMapper{}.linkerFor(e).SetNext(l.head) - taskElementMapper{}.linkerFor(e).SetPrev(nil) + linker := taskElementMapper{}.linkerFor(e) + linker.SetNext(l.head) + linker.SetPrev(nil) if l.head != nil { taskElementMapper{}.linkerFor(l.head).SetPrev(e) @@ -68,8 +69,9 @@ func (l *taskList) PushFront(e *Task) { // PushBack inserts the element e at the back of list l. func (l *taskList) PushBack(e *Task) { - taskElementMapper{}.linkerFor(e).SetNext(nil) - taskElementMapper{}.linkerFor(e).SetPrev(l.tail) + linker := taskElementMapper{}.linkerFor(e) + linker.SetNext(nil) + linker.SetPrev(l.tail) if l.tail != nil { taskElementMapper{}.linkerFor(l.tail).SetNext(e) @@ -98,10 +100,14 @@ func (l *taskList) PushBackList(m *taskList) { // InsertAfter inserts e after b. func (l *taskList) InsertAfter(b, e *Task) { - a := taskElementMapper{}.linkerFor(b).Next() - taskElementMapper{}.linkerFor(e).SetNext(a) - taskElementMapper{}.linkerFor(e).SetPrev(b) - taskElementMapper{}.linkerFor(b).SetNext(e) + bLinker := taskElementMapper{}.linkerFor(b) + eLinker := taskElementMapper{}.linkerFor(e) + + a := bLinker.Next() + + eLinker.SetNext(a) + eLinker.SetPrev(b) + bLinker.SetNext(e) if a != nil { taskElementMapper{}.linkerFor(a).SetPrev(e) @@ -112,10 +118,13 @@ func (l *taskList) InsertAfter(b, e *Task) { // InsertBefore inserts e before a. func (l *taskList) InsertBefore(a, e *Task) { - b := taskElementMapper{}.linkerFor(a).Prev() - taskElementMapper{}.linkerFor(e).SetNext(a) - taskElementMapper{}.linkerFor(e).SetPrev(b) - taskElementMapper{}.linkerFor(a).SetPrev(e) + aLinker := taskElementMapper{}.linkerFor(a) + eLinker := taskElementMapper{}.linkerFor(e) + + b := aLinker.Prev() + eLinker.SetNext(a) + eLinker.SetPrev(b) + aLinker.SetPrev(e) if b != nil { taskElementMapper{}.linkerFor(b).SetNext(e) |