Files
asterinas/kernel/src/syscall/umask.rs
2024-12-05 13:44:09 +08:00

11 lines
307 B
Rust

// SPDX-License-Identifier: MPL-2.0
use super::SyscallReturn;
use crate::prelude::*;
pub fn sys_umask(mask: u16, ctx: &Context) -> Result<SyscallReturn> {
debug!("mask = 0o{:o}", mask);
let old_mask = ctx.posix_thread.fs().umask().write().set(mask);
Ok(SyscallReturn::Return(old_mask as _))
}