nuttx: use updated pollfd definition

library/std/src/sys/net/connection/socket/unix.rs

@@ -5,6 +5,8 @@ use crate::ffi::CStr;
 use crate::io::{self, BorrowedBuf, BorrowedCursor, IoSlice, IoSliceMut};
 use crate::net::{Shutdown, SocketAddr};
 use crate::os::fd::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
+#[cfg(target_os = "nuttx")]
+use crate::ptr::null;
 use crate::sys::fd::FileDesc;
 use crate::sys::net::{getsockopt, setsockopt};
 use crate::sys::pal::IsMinusOne;
@@ -186,6 +188,16 @@ impl Socket {
             Err(e) => return Err(e),
         }
 
+        #[cfg(target_os = "nuttx")]
+        let mut pollfd = libc::pollfd {
+            fd: self.as_raw_fd(),
+            events: libc::POLLOUT,
+            revents: 0,
+            arg: null(),
+            cb: null(),
+            r#priv: null(),
+        };
+        #[cfg(not(target_os = "nuttx"))]
         let mut pollfd = libc::pollfd { fd: self.as_raw_fd(), events: libc::POLLOUT, revents: 0 };
 
         if timeout.as_secs() == 0 && timeout.subsec_nanos() == 0 {

library/std/src/sys/pal/unix/mod.rs

@@ -1,6 +1,8 @@
 #![allow(missing_docs, nonstandard_style)]
 
 use crate::io;
+#[cfg(target_os = "nuttx")]
+use crate::ptr::null;
 
 pub mod conf;
 #[cfg(target_os = "fuchsia")]
@@ -88,6 +90,35 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
         )))]
         'poll: {
             use crate::sys::io::errno;
+
+            #[cfg(target_os = "nuttx")]
+            let pfds: &mut [_] = &mut [
+                libc::pollfd {
+                    fd: 0,
+                    events: 0,
+                    revents: 0,
+                    arg: null(),
+                    cb: null(),
+                    r#priv: null(),
+                },
+                libc::pollfd {
+                    fd: 1,
+                    events: 0,
+                    revents: 0,
+                    arg: null(),
+                    cb: null(),
+                    r#priv: null(),
+                },
+                libc::pollfd {
+                    fd: 2,
+                    events: 0,
+                    revents: 0,
+                    arg: null(),
+                    cb: null(),
+                    r#priv: null(),
+                },
+            ];
+            #[cfg(not(target_os = "nuttx"))]
             let pfds: &mut [_] = &mut [
                 libc::pollfd { fd: 0, events: 0, revents: 0 },
                 libc::pollfd { fd: 1, events: 0, revents: 0 },