Jacob Lorentzon
81 lines
1.9 KiB
Rust
81 lines
1.9 KiB
Rust
//! sys/time implementation for Redox, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/systime.h.html
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use crate::{
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c_str::CStr,
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header::time::timespec,
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platform::{types::*, Pal, PalSignal, Sys},
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};
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use core::ptr::null;
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pub const ITIMER_REAL: c_int = 0;
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pub const ITIMER_VIRTUAL: c_int = 1;
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pub const ITIMER_PROF: c_int = 2;
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#[repr(C)]
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#[derive(Default)]
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pub struct timeval {
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pub tv_sec: time_t,
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pub tv_usec: suseconds_t,
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}
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#[repr(C)]
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#[derive(Default)]
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pub struct timezone {
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pub tz_minuteswest: c_int,
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pub tz_dsttime: c_int,
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}
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#[repr(C)]
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#[derive(Default)]
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pub struct itimerval {
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pub it_interval: timeval,
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pub it_value: timeval,
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}
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#[repr(C)]
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pub struct fd_set {
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pub fds_bits: [c_long; 16usize],
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}
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#[no_mangle]
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pub unsafe extern "C" fn getitimer(which: c_int, value: *mut itimerval) -> c_int {
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Sys::getitimer(which, value)
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}
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#[no_mangle]
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pub unsafe extern "C" fn setitimer(
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which: c_int,
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value: *const itimerval,
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ovalue: *mut itimerval,
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) -> c_int {
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Sys::setitimer(which, value, ovalue)
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}
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#[no_mangle]
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pub unsafe extern "C" fn gettimeofday(tp: *mut timeval, tzp: *mut timezone) -> c_int {
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Sys::gettimeofday(tp, tzp)
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}
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#[no_mangle]
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pub unsafe extern "C" fn utimes(path: *const c_char, times: *const timeval) -> c_int {
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let path = CStr::from_ptr(path);
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// Nullptr is valid here, it means "use current time"
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let times_spec = if times.is_null() {
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null()
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} else {
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{
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[
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timespec {
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tv_sec: (*times.offset(0)).tv_sec,
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tv_nsec: ((*times.offset(0)).tv_usec as c_long) * 1000,
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},
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timespec {
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tv_sec: (*times.offset(1)).tv_sec,
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tv_nsec: ((*times.offset(1)).tv_usec as c_long) * 1000,
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},
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]
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}
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.as_ptr()
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};
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Sys::utimens(path, times_spec)
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}
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