Index: ttrpc/Cargo.toml
===================================================================
--- ttrpc.orig/Cargo.toml
+++ ttrpc/Cargo.toml
@@ -56,7 +56,7 @@ features = ["extra_traits"]
 version = "0.4"
 
 [dependencies.nix]
-version = "0.27"
+version = "0.29"
 features = ["fs", "socket"]
 
 [dependencies.protobuf]
Index: ttrpc/src/common.rs
===================================================================
--- ttrpc.orig/src/common.rs
+++ ttrpc/src/common.rs
@@ -34,7 +34,7 @@ pub(crate) fn do_listen(listener: RawFd)
     }
 
     let listener = unsafe { BorrowedFd::borrow_raw(listener) };
-    listen(&listener, 10).map_err(|e| Error::Socket(e.to_string()))
+    listen(&listener, Backlog::new(10)?).map_err(|e| Error::Socket(e.to_string()))
 }
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
Index: ttrpc/src/sync/sys/unix/net.rs
===================================================================
--- ttrpc.orig/src/sync/sys/unix/net.rs
+++ ttrpc/src/sync/sys/unix/net.rs
@@ -65,8 +65,10 @@ impl PipeListener {
 
     fn new_monitor_fd() ->  Result<(i32, i32)> {
         #[cfg(any(target_os = "linux", target_os = "android"))]
-        let fds = pipe2(nix::fcntl::OFlag::O_CLOEXEC)?;
- 
+        let (rfd,wfd) = pipe2(nix::fcntl::OFlag::O_CLOEXEC)?;
+        let rfd = rfd.into_raw_fd();
+        let wfd = wfd.into_raw_fd();
+        let fds = (rfd,wfd);
         
         #[cfg(target_os = "macos")] 
         let fds = {