diff options
Diffstat (limited to 'pkg/waiter/waiter.go')
| -rw-r--r-- | pkg/waiter/waiter.go | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/pkg/waiter/waiter.go b/pkg/waiter/waiter.go index fd429f733..a6c9dff3c 100644 --- a/pkg/waiter/waiter.go +++ b/pkg/waiter/waiter.go @@ -67,14 +67,28 @@ type EventMask uint16 // Events that waiters can wait on. The meaning is the same as those in the // poll() syscall. const ( - EventIn EventMask = 0x01 // syscall.EPOLLIN - EventPri EventMask = 0x02 // syscall.EPOLLPRI - EventOut EventMask = 0x04 // syscall.EPOLLOUT - EventErr EventMask = 0x08 // syscall.EPOLLERR - EventHUp EventMask = 0x10 // syscall.EPOLLHUP - EventNVal EventMask = 0x20 // Not defined in syscall. + EventIn EventMask = 0x01 // POLLIN + EventPri EventMask = 0x02 // POLLPRI + EventOut EventMask = 0x04 // POLLOUT + EventErr EventMask = 0x08 // POLLERR + EventHUp EventMask = 0x10 // POLLHUP + + allEvents EventMask = 0x1f ) +// EventMaskFromLinux returns an EventMask representing the supported events +// from the Linux events e, which is in the format used by poll(2). +func EventMaskFromLinux(e uint32) EventMask { + // Our flag definitions are currently identical to Linux. + return EventMask(e) & allEvents +} + +// ToLinux returns e in the format used by Linux poll(2). +func (e EventMask) ToLinux() uint32 { + // Our flag definitions are currently identical to Linux. + return uint32(e) +} + // Waitable contains the methods that need to be implemented by waitable // objects. type Waitable interface { |