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Author SHA1 Message Date
Rahat Mahmood 93dd471461 Enable automated marshalling for epoll events. 
Ensure we use the correct architecture-specific defintion of epoll
event, and use go-marshal for serialization.

PiperOrigin-RevId: 308145677
 2020-04-23 15:49:05 -07:00
Jamie Liu 471b15b212 Port most syscalls to VFS2. 
pipe and pipe2 aren't ported, pending a slight rework of pipe FDs for VFS2.
mount and umount2 aren't ported out of temporary laziness. access and faccessat
need additional FSImpl methods to implement properly, but are stubbed to
prevent googletest from CHECK-failing. Other syscalls require additional
plumbing.

Updates #1623

PiperOrigin-RevId: 297188448
 2020-02-25 13:37:34 -08:00
gVisor bot a5069f820f Remove linux.EpollEvent.Fd. 
glibc defines struct epoll_event in such a way that epoll_event.data.fd exists.
However, the kernel's definition of struct epoll_event makes epoll_event.data
an opaque uint64, so naming half of it "fd" just introduces confusion. Remove
the Fd field, and make Data a [2]int32 to compensate.

Also add required padding to linux.EpollEvent on ARM64.

PiperOrigin-RevId: 295250424
 2020-02-14 16:19:48 -08:00