45 lines
1.3 KiB
Rust
45 lines
1.3 KiB
Rust
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
use super::SyscallReturn;
|
|
use crate::{
|
|
prelude::*,
|
|
process::{
|
|
kill, kill_all, kill_group,
|
|
signal::{
|
|
sig_num::SigNum,
|
|
signals::user::{UserSignal, UserSignalKind},
|
|
},
|
|
ProcessFilter,
|
|
},
|
|
};
|
|
|
|
pub fn sys_kill(process_filter: u64, sig_num: u64, ctx: &Context) -> Result<SyscallReturn> {
|
|
let process_filter = ProcessFilter::from_id(process_filter as _);
|
|
let sig_num = if sig_num == 0 {
|
|
None
|
|
} else {
|
|
Some(SigNum::try_from(sig_num as u8)?)
|
|
};
|
|
debug!(
|
|
"process_filter = {:?}, sig_num = {:?}",
|
|
process_filter, sig_num
|
|
);
|
|
do_sys_kill(process_filter, sig_num, ctx)?;
|
|
Ok(SyscallReturn::Return(0))
|
|
}
|
|
|
|
pub fn do_sys_kill(filter: ProcessFilter, sig_num: Option<SigNum>, ctx: &Context) -> Result<()> {
|
|
let signal = sig_num.map(|sig_num| {
|
|
let pid = ctx.process.pid();
|
|
let uid = ctx.posix_thread.credentials().ruid();
|
|
UserSignal::new(sig_num, UserSignalKind::Kill, pid, uid)
|
|
});
|
|
|
|
match filter {
|
|
ProcessFilter::Any => kill_all(signal, ctx)?,
|
|
ProcessFilter::WithPid(pid) => kill(pid, signal, ctx)?,
|
|
ProcessFilter::WithPgid(pgid) => kill_group(pgid, signal, ctx)?,
|
|
}
|
|
Ok(())
|
|
}
|