use std::io::Error;
use libc::{self, c_int, c_long, c_ulong, size_t, pid_t, cpu_set_t};
#[no_mangle]
pub extern "C" fn u_sysconf_ocall(error: *mut c_int, name: c_int) -> c_long {
let mut errno = 0;
let ret = unsafe { libc::sysconf(name) };
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_prctl_ocall(error: *mut c_int,
option: c_int,
arg2: c_ulong,
arg3: c_ulong,
arg4: c_ulong,
arg5: c_ulong) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::prctl(option, arg2, arg3, arg4, arg5) };
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_sched_setaffinity_ocall(error: *mut c_int,
pid: pid_t,
cpusetsize: size_t,
mask: *const cpu_set_t) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::sched_setaffinity(pid, cpusetsize, mask) };
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_sched_getaffinity_ocall(error: *mut c_int,
pid: pid_t,
cpusetsize: size_t,
mask: *mut cpu_set_t) -> c_int {
let mut errno = 0;
let ret = unsafe { libc::sched_getaffinity(pid, cpusetsize, mask) };
if ret < 0 {
errno = Error::last_os_error().raw_os_error().unwrap_or(0);
}
if !error.is_null() {
unsafe { *error = errno; }
}
ret
}