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Add syscall epoll_pwait

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This commit is contained in:
StanPlatinum
2024-04-22 16:00:19 +08:00
committed by Tate, Hongliang Tian
parent 1435dd0896
commit 2b67dee1fc
5 changed files with 36 additions and 3 deletions
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16
kernel/aster-nix/src/syscall/epoll.rs
View File

@ -2,7 +2,7 @@
use core::time::Duration;
use super::{SyscallReturn, SYS_EPOLL_CREATE1, SYS_EPOLL_CTL, SYS_EPOLL_WAIT};
use super::{SyscallReturn, SYS_EPOLL_CREATE1, SYS_EPOLL_CTL, SYS_EPOLL_PWAIT, SYS_EPOLL_WAIT};
use crate::{
events::IoEvents,
fs::{
@ -137,6 +137,20 @@ pub fn sys_epoll_wait(
Ok(SyscallReturn::Return(epoll_events.len() as _))
}
pub fn sys_epoll_pwait(
epfd: FileDescripter,
events_addr: Vaddr,
max_events: i32,
timeout: i32,
sigmask: Vaddr, //TODO: handle sigmask
) -> Result<SyscallReturn> {
log_syscall_entry!(SYS_EPOLL_PWAIT);
if sigmask != 0 {
warn!("epoll_pwait cannot handle signal mask, yet");
}
sys_epoll_wait(epfd, events_addr, max_events, timeout)
}
#[derive(Debug, Clone, Copy, Pod)]
#[repr(C, packed)]
struct c_epoll_event {

6
kernel/aster-nix/src/syscall/mod.rs
View File

@ -30,7 +30,9 @@ use crate::{
clone::sys_clone,
close::sys_close,
dup::{sys_dup, sys_dup2},
epoll::{sys_epoll_create, sys_epoll_create1, sys_epoll_ctl, sys_epoll_wait},
epoll::{
sys_epoll_create, sys_epoll_create1, sys_epoll_ctl, sys_epoll_pwait, sys_epoll_wait,
},
execve::sys_execve,
exit::sys_exit,
exit_group::sys_exit_group,
@ -360,6 +362,7 @@ define_syscall_nums!(
SYS_FCHMODAT = 268,
SYS_SET_ROBUST_LIST = 273,
SYS_UTIMENSAT = 280,
SYS_EPOLL_PWAIT = 281,
SYS_EPOLL_CREATE1 = 291,
SYS_PIPE2 = 293,
SYS_PRLIMIT64 = 302,
@ -549,6 +552,7 @@ pub fn syscall_dispatch(
SYS_FCHMODAT => syscall_handler!(3, sys_fchmodat, args),
SYS_SET_ROBUST_LIST => syscall_handler!(2, sys_set_robust_list, args),
SYS_UTIMENSAT => syscall_handler!(4, sys_utimensat, args),
SYS_EPOLL_PWAIT => syscall_handler!(5, sys_epoll_pwait, args),
SYS_EPOLL_CREATE1 => syscall_handler!(1, sys_epoll_create1, args),
SYS_PIPE2 => syscall_handler!(2, sys_pipe2, args),
SYS_PRLIMIT64 => syscall_handler!(4, sys_prlimit64, args),