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chore(signal): Move alarm function and adding the todo

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This commit is contained in:
Zero
2026-03-25 07:40:42 +02:00
committed by Zero
parent aca4df91cf
commit caa5ef8afb
3 changed files with 30 additions and 29 deletions
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src/platform/pal/signal.rs
+2 -27
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@@ -4,9 +4,8 @@ use crate::{
header::{
bits_time::timespec,
signal::{sigaction, siginfo_t, sigset_t, sigval, stack_t},
sys_time::{self, itimerval},
sys_time::itimerval,
},
platform,
};
pub trait PalSignal: Pal {
@@ -22,31 +21,7 @@ pub trait PalSignal: Pal {
fn setitimer(which: c_int, new: &itimerval, old: Option<&mut itimerval>) -> Result<()>;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/alarm.html>.
///
/// Default implementation uses setitimer(ITIMER_REAL). Platforms that do not
/// support setitimer (e.g. Redox) must override this.
fn alarm(seconds: c_uint) -> c_uint {
use crate::header::sys_select::timeval;
let timer = itimerval {
it_value: timeval {
tv_sec: time_t::from(seconds),
tv_usec: 0,
},
..Default::default()
};
let mut otimer = itimerval::default();
let errno_backup = platform::ERRNO.get();
let secs = if Self::setitimer(sys_time::ITIMER_REAL, &timer, Some(&mut otimer)).is_err() {
0
} else {
otimer.it_value.tv_sec as c_uint + if otimer.it_value.tv_usec > 0 { 1 } else { 0 }
};
platform::ERRNO.set(errno_backup);
secs
}
fn alarm(seconds: c_uint) -> c_uint;
fn sigaction(sig: c_int, act: Option<&sigaction>, oact: Option<&mut sigaction>) -> Result<()>;