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Remove priority field from OSTD Task struct

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This commit is contained in:
jellllly420
2024-09-14 15:32:21 +08:00
committed by Tate, Hongliang Tian
parent 0a36760f7a
commit 8927031426
18 changed files with 258 additions and 252 deletions
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12
kernel/src/syscall/set_get_priority.rs
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@ -6,14 +6,14 @@ use super::SyscallReturn;
use crate::{
prelude::*,
process::{posix_thread::PosixThreadExt, process_table, Pgid, Pid, Process, Uid},
sched::nice::Nice,
sched::priority::{Nice, NiceRange},
};
pub fn sys_set_priority(which: i32, who: u32, prio: i32, ctx: &Context) -> Result<SyscallReturn> {
let prio_target = PriorityTarget::new(which, who, ctx)?;
let new_nice = {
let norm_prio = prio.clamp(i8::MIN as i32, i8::MAX as i32) as i8;
Nice::new(norm_prio)
let nice_raw = prio.clamp(NiceRange::MIN as i32, NiceRange::MAX as i32) as i8;
Nice::new(NiceRange::new(nice_raw))
};
debug!(
@ -35,9 +35,9 @@ pub fn sys_get_priority(which: i32, who: u32, ctx: &Context) -> Result<SyscallRe
let processes = get_processes(prio_target)?;
let highest_prio = {
let mut nice = Nice::MAX;
let mut nice = NiceRange::MAX;
for process in processes.iter() {
let proc_nice = process.nice().load(Ordering::Relaxed);
let proc_nice = process.nice().load(Ordering::Relaxed).range().get();
// Returns the highest priority enjoyed by the processes
if proc_nice < nice {
nice = proc_nice;
@ -46,7 +46,7 @@ pub fn sys_get_priority(which: i32, who: u32, ctx: &Context) -> Result<SyscallRe
// The system call returns nice values translated to the range 40 to 1,
// since a negative return value would be interpreted as an error.
20 - nice.to_raw()
20 - nice
};
Ok(SyscallReturn::Return(highest_prio as _))