Hi All,
uapi structs epoll_data are more opaque than user space expects. kernel
have defined as __u64 instead of the union epoll_data.
Because of this libc have redefined struct epoll_event with union data
member.
https://android.googlesource.com/platform/bionic.git/+/master/libc/include/sys/epoll.h
typedef union epoll_data {
void* ptr;
int fd;
uint32_t u32;
uint64_t u64;
} epoll_data_t;
struct epoll_event {
uint32_t events;
epoll_data_t data;
}
Kernel UAPI header defined as "include/uapi/linux/eventpoll.h"
struct epoll_event {
__u32 events;
__u64 data; =====>opaque type instead of union epoll_data
} EPOLL_PACKED;
Because of this we are landing into some issues as we copy kernel
headers. Will it be going to be addressed?
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