Change-Id: I863137b5d35602267b4ef3a74399cf394c9994d6
<signal.h> shouldn't get you the contents of <errno.h>, and <fcntl.h> shouldn't get you the contents of <unistd.h>. Change-Id: I347499cd8671bfee98e6b8e875a97cab3a3655d3
(aarch64 kernels don't have these system calls.) Change-Id: I6f64075aa412f71520f2df71c3d69b647f91c1ca