diff options
Diffstat (limited to 'internal/eventloop.go')
| -rw-r--r-- | internal/eventloop.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/internal/eventloop.go b/internal/eventloop.go index bb30764..3355c8b 100644 --- a/internal/eventloop.go +++ b/internal/eventloop.go @@ -198,6 +198,7 @@ func (e *eventLoop) syscallExit(exitEv event.Event, ch chan<- *event.Pair) { return } + // TODO: Benchmark, is a map faster than this large switch statement? switch v := ev.EnterEv.(type) { case *OpenEvent: openEv := ev.EnterEv.(*OpenEvent) @@ -240,6 +241,15 @@ func (e *eventLoop) syscallExit(exitEv event.Event, ch chan<- *event.Pair) { ev.Recycle() return } + if ev.Is(SYS_ENTER_DUP) { + fdFile, ok := ev.File.(file.FdFile) + if !ok { + panic("expected a file.FdFile") + } + // Duplicating fd + newFd := int32(ev.ExitEv.(*RetEvent).Ret) + e.files[newFd] = fdFile.Dup(newFd) + } case *NullEvent: ev.Comm = e.comm(ev.EnterEv.GetTid()) |