diff options
Diffstat (limited to 'src/sys/epoll.rs')
-rw-r--r-- | src/sys/epoll.rs | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/src/sys/epoll.rs b/src/sys/epoll.rs index 5ab766dc..5d63e82f 100644 --- a/src/sys/epoll.rs +++ b/src/sys/epoll.rs @@ -65,16 +65,6 @@ impl EpollEvent { } } -impl<'a> Into<&'a mut EpollEvent> for Option<&'a mut EpollEvent> { - #[inline] - fn into(self) -> &'a mut EpollEvent { - match self { - Some(epoll_event) => epoll_event, - None => unsafe { &mut *ptr::null_mut::<EpollEvent>() } - } - } -} - #[inline] pub fn epoll_create() -> Result<RawFd> { let res = unsafe { libc::epoll_create(1024) }; @@ -91,13 +81,19 @@ pub fn epoll_create1(flags: EpollCreateFlags) -> Result<RawFd> { #[inline] pub fn epoll_ctl<'a, T>(epfd: RawFd, op: EpollOp, fd: RawFd, event: T) -> Result<()> - where T: Into<&'a mut EpollEvent> + where T: Into<Option<&'a mut EpollEvent>> { - let event: &mut EpollEvent = event.into(); - if event as *const EpollEvent == ptr::null() && op != EpollOp::EpollCtlDel { + let mut event: Option<&mut EpollEvent> = event.into(); + if event.is_none() && op != EpollOp::EpollCtlDel { Err(Error::Sys(Errno::EINVAL)) } else { - let res = unsafe { libc::epoll_ctl(epfd, op as c_int, fd, &mut event.event) }; + let res = unsafe { + if let Some(ref mut event) = event { + libc::epoll_ctl(epfd, op as c_int, fd, &mut event.event) + } else { + libc::epoll_ctl(epfd, op as c_int, fd, ptr::null_mut()) + } + }; Errno::result(res).map(drop) } } |