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Merged
tgross35 merged 1 commit into from
Mar 4, 2026
Merged

linux: relocate PIDFD definitions to src/new #4981

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1 change: 1 addition & 0 deletions src/new/linux_uapi/linux/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,3 +6,4 @@ pub(crate) mod can;
pub(crate) mod keyctl;
pub(crate) mod membarrier;
pub(crate) mod netlink;
pub(crate) mod pidfd;
59 changes: 59 additions & 0 deletions src/new/linux_uapi/linux/pidfd.rs
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@@ -0,0 +1,59 @@
//! Header: `uapi/linux/pidfd.h`

use crate::prelude::*;
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raushan728 marked this conversation as resolved.
use crate::{
Ioctl,
_IO,
_IOWR,
};

/* Flags for pidfd_open(). */
pub const PIDFD_NONBLOCK: c_uint = crate::O_NONBLOCK as c_uint;
pub const PIDFD_THREAD: c_uint = crate::O_EXCL as c_uint;

/* Flags for pidfd_send_signal(). */
pub const PIDFD_SIGNAL_THREAD: c_uint = 1 << 0;
pub const PIDFD_SIGNAL_THREAD_GROUP: c_uint = 1 << 1;
pub const PIDFD_SIGNAL_PROCESS_GROUP: c_uint = 1 << 2;

/* Flags for pidfd_info. */
pub const PIDFD_INFO_PID: c_uint = 1 << 0;
pub const PIDFD_INFO_CREDS: c_uint = 1 << 1;
pub const PIDFD_INFO_CGROUPID: c_uint = 1 << 2;
pub const PIDFD_INFO_EXIT: c_uint = 1 << 3;

pub const PIDFD_INFO_SIZE_VER0: c_uint = 64;

s! {
#[non_exhaustive]
pub struct pidfd_info {
pub mask: crate::__u64,
pub cgroupid: crate::__u64,
pub pid: crate::__u32,
pub tgid: crate::__u32,
pub ppid: crate::__u32,
pub ruid: crate::__u32,
pub rgid: crate::__u32,
pub euid: crate::__u32,
pub egid: crate::__u32,
pub suid: crate::__u32,
pub sgid: crate::__u32,
pub fsuid: crate::__u32,
pub fsgid: crate::__u32,
pub exit_code: crate::__s32,
}
}

const PIDFS_IOCTL_MAGIC: c_uint = 0xFF;

pub const PIDFD_GET_CGROUP_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 1);
pub const PIDFD_GET_IPC_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 2);
pub const PIDFD_GET_MNT_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 3);
pub const PIDFD_GET_NET_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 4);
pub const PIDFD_GET_PID_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 5);
pub const PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 6);
pub const PIDFD_GET_TIME_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 7);
pub const PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 8);
pub const PIDFD_GET_USER_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 9);
pub const PIDFD_GET_UTS_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 10);
pub const PIDFD_GET_INFO: Ioctl = _IOWR::<pidfd_info>(PIDFS_IOCTL_MAGIC, 11);
1 change: 1 addition & 0 deletions src/new/mod.rs
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Expand Up @@ -184,6 +184,7 @@ cfg_if! {
pub use linux::keyctl::*;
pub use linux::membarrier::*;
pub use linux::netlink::*;
pub use linux::pidfd::*;
#[cfg(target_env = "gnu")]
pub use net::route::*;
} else if #[cfg(target_vendor = "apple")] {
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46 changes: 0 additions & 46 deletions src/unix/linux_like/linux/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1011,24 +1011,6 @@ s! {

// linux/pidfd.h

#[non_exhaustive]
pub struct pidfd_info {
pub mask: crate::__u64,
pub cgroupid: crate::__u64,
pub pid: crate::__u32,
pub tgid: crate::__u32,
pub ppid: crate::__u32,
pub ruid: crate::__u32,
pub rgid: crate::__u32,
pub euid: crate::__u32,
pub egid: crate::__u32,
pub suid: crate::__u32,
pub sgid: crate::__u32,
pub fsuid: crate::__u32,
pub fsgid: crate::__u32,
pub exit_code: crate::__s32,
}

// linux/uio.h

pub struct dmabuf_cmsg {
Expand Down Expand Up @@ -1599,34 +1581,6 @@ pub const NS_MNT_GET_INFO: Ioctl = _IOR::<mnt_ns_info>(NSIO, 10);
pub const NS_MNT_GET_NEXT: Ioctl = _IOR::<mnt_ns_info>(NSIO, 11);
pub const NS_MNT_GET_PREV: Ioctl = _IOR::<mnt_ns_info>(NSIO, 12);

// linux/pidfd.h
pub const PIDFD_NONBLOCK: c_uint = O_NONBLOCK as c_uint;
pub const PIDFD_THREAD: c_uint = O_EXCL as c_uint;

pub const PIDFD_SIGNAL_THREAD: c_uint = 1 << 0;
pub const PIDFD_SIGNAL_THREAD_GROUP: c_uint = 1 << 1;
pub const PIDFD_SIGNAL_PROCESS_GROUP: c_uint = 1 << 2;

pub const PIDFD_INFO_PID: c_uint = 1 << 0;
pub const PIDFD_INFO_CREDS: c_uint = 1 << 1;
pub const PIDFD_INFO_CGROUPID: c_uint = 1 << 2;
pub const PIDFD_INFO_EXIT: c_uint = 1 << 3;

pub const PIDFD_INFO_SIZE_VER0: c_uint = 64;

const PIDFS_IOCTL_MAGIC: c_uint = 0xFF;
pub const PIDFD_GET_CGROUP_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 1);
pub const PIDFD_GET_IPC_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 2);
pub const PIDFD_GET_MNT_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 3);
pub const PIDFD_GET_NET_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 4);
pub const PIDFD_GET_PID_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 5);
pub const PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 6);
pub const PIDFD_GET_TIME_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 7);
pub const PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 8);
pub const PIDFD_GET_USER_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 9);
pub const PIDFD_GET_UTS_NAMESPACE: Ioctl = _IO(PIDFS_IOCTL_MAGIC, 10);
pub const PIDFD_GET_INFO: Ioctl = _IOWR::<pidfd_info>(PIDFS_IOCTL_MAGIC, 11);

pub const PR_SET_MDWE: c_int = 65;
pub const PR_GET_MDWE: c_int = 66;
pub const PR_MDWE_REFUSE_EXEC_GAIN: c_uint = 1 << 0;
Expand Down