use std::io::Error;
use libc::{self, c_int, pollfd, nfds_t, epoll_event};
#[no_mangle]
pub extern "C" fn u_poll_ocall(error: *mut c_int,
fds: *mut pollfd,
nfds: nfds_t,
timeout: c_int) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::poll(fds, nfds, timeout) };
if ret < 0 {
errno = Error::last_os_error().raw_os_error().unwrap_or(0);
}
if !error.is_null() {
unsafe { *error = errno; }
}
ret
}
#[no_mangle]
pub extern "C" fn u_epoll_create1_ocall(error: *mut c_int, flags: c_int) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::epoll_create1(flags) };
if ret < 0 {
errno = Error::last_os_error().raw_os_error().unwrap_or(0);
}
if !error.is_null() {
unsafe { *error = errno; }
}
ret
}
#[no_mangle]
pub extern "C" fn u_epoll_ctl_ocall(error: *mut c_int,
epfd: c_int,
op: c_int,
fd: c_int,
event: *mut epoll_event) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::epoll_ctl(epfd, op, fd, event) };
if ret < 0 {
errno = Error::last_os_error().raw_os_error().unwrap_or(0);
}
if !error.is_null() {
unsafe { *error = errno; }
}
ret
}
#[no_mangle]
pub extern "C" fn u_epoll_wait_ocall(error: *mut c_int, epfd: c_int, events: *mut epoll_event, maxevents: c_int, timeout: c_int) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::epoll_wait(epfd, events, maxevents, timeout) };
if ret < 0 {
errno = Error::last_os_error().raw_os_error().unwrap_or(0);
}
if !error.is_null() {
unsafe { *error = errno; }
}
ret
}