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Adds methods send_msg_with_flags and recv_msg_with_flags to Socket #147215

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Adds methods send_msg_with_flags and recv_msg_with_flags to Socket #147215

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e23e390
Fix the mutability requirement on Socket::send_msg
poscat0x04 Oct 1, 2025
9d4a777
Add Socket::send_msg_with_flags and Socket::recv_msg_with_flags
poscat0x04 Oct 1, 2025
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18 changes: 14 additions & 4 deletions library/std/src/sys/net/connection/socket/unix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -362,11 +362,16 @@ impl Socket {
}

#[cfg(any(target_os = "android", target_os = "linux", target_os = "cygwin"))]
pub fn recv_msg(&self, msg: &mut libc::msghdr) -> io::Result<usize> {
let n = cvt(unsafe { libc::recvmsg(self.as_raw_fd(), msg, libc::MSG_CMSG_CLOEXEC) })?;
pub fn recv_msg_with_flags(&self, msg: &mut libc::msghdr, flags: c_int) -> io::Result<usize> {
let n = cvt(unsafe { libc::recvmsg(self.as_raw_fd(), msg, flags) })?;
Ok(n as usize)
}

#[cfg(any(target_os = "android", target_os = "linux", target_os = "cygwin"))]
pub fn recv_msg(&self, msg: &mut libc::msghdr) -> io::Result<usize> {
self.recv_msg_with_flags(msg, libc::MSG_CMSG_CLOEXEC)
}

pub fn peek_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
self.recv_from_with_flags(buf, MSG_PEEK)
}
Expand All @@ -385,11 +390,16 @@ impl Socket {
}

#[cfg(any(target_os = "android", target_os = "linux", target_os = "cygwin"))]
pub fn send_msg(&self, msg: &mut libc::msghdr) -> io::Result<usize> {
let n = cvt(unsafe { libc::sendmsg(self.as_raw_fd(), msg, 0) })?;
pub fn send_msg_with_flags(&self, msg: &libc::msghdr, flags: c_int) -> io::Result<usize> {
let n = cvt(unsafe { libc::sendmsg(self.as_raw_fd(), msg, flags) })?;
Ok(n as usize)
}

#[cfg(any(target_os = "android", target_os = "linux", target_os = "cygwin"))]
pub fn send_msg(&self, msg: &libc::msghdr) -> io::Result<usize> {
self.send_msg_with_flags(msg, 0)
}

pub fn set_timeout(&self, dur: Option<Duration>, kind: libc::c_int) -> io::Result<()> {
let timeout = match dur {
Some(dur) => {
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