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sys_util: netlink: implement AsRawDescriptor for netlink generic socket

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In order to use netlink generic socket together with WaitContext,
AsRawDescriptor needs to be implemented.

BUG=b:197247746, b:205072342
TEST=Use NetlinkGenericSocket with WaitContext and successfully use it
for threads

Change-Id: I99c9d508c86395f104a7a2f17a1726b753c9698b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3528638
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Tomasz Nowicki <tnowicki@google.com>
This commit is contained in:
Grzegorz Jaszczyk 2022-03-18 08:05:30 +00:00 committed by Commit Bot
parent f35129885b
commit 550ed754da
1 changed files with 9 additions and 1 deletions
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10
common/sys_util/src/netlink.rs
View file

@ -9,7 +9,9 @@ use libc::EINVAL;
use sys_util_core::LayoutAllocation;
use super::{errno_result, Error, FromRawDescriptor, Result, SafeDescriptor};
use super::{
errno_result, AsRawDescriptor, Error, FromRawDescriptor, RawDescriptor, Result, SafeDescriptor,
};
// Custom nlmsghdr struct that can be declared DataInit.
#[repr(C)]
@ -101,6 +103,12 @@ pub struct NetlinkGenericSocket {
sock: SafeDescriptor,
}
impl AsRawDescriptor for NetlinkGenericSocket {
fn as_raw_descriptor(&self) -> RawDescriptor {
self.sock.as_raw_descriptor()
}
}
impl NetlinkGenericSocket {
/// Create and bind a new `NETLINK_GENERIC` socket.
pub fn new(nl_groups: u32) -> Result<Self> {