sgx_urts/src/time.rs

// Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved.
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use std::io::Error;
use libc::{self, c_int, clockid_t, timespec};

#[no_mangle]
pub extern "C" fn u_clock_gettime_ocall(error: * mut c_int, clk_id: clockid_t, tp: * mut timespec) -> c_int {
    let mut errno = 0;
    let ret = unsafe { libc::clock_gettime(clk_id, tp) };
    if ret < 0 {
        errno = Error::last_os_error().raw_os_error().unwrap_or(0);
    }
    if !error.is_null() {
        unsafe { *error = errno; }
    }
    ret
}