From ab214a69377d66a1aaffdd411f06613a3e92d884 Mon Sep 17 00:00:00 2001
From: Ritik Mishra <ritik@moveparallel.com>
Date: Tue, 18 Jul 2023 16:59:20 -0700
Subject: [PATCH] Open the raw socket with `O_NONBLOCK`

---
 src/phy/sys/bpf.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/phy/sys/bpf.rs b/src/phy/sys/bpf.rs
index 1935ac3fc..7e65b982a 100644
--- a/src/phy/sys/bpf.rs
+++ b/src/phy/sys/bpf.rs
@@ -57,7 +57,10 @@ fn open_device() -> io::Result<libc::c_int> {
     unsafe {
         for i in 0..256 {
             let dev = format!("/dev/bpf{}\0", i);
-            match libc::open(dev.as_ptr() as *const libc::c_char, libc::O_RDWR) {
+            match libc::open(
+                dev.as_ptr() as *const libc::c_char,
+                libc::O_RDWR | libc::O_NONBLOCK,
+            ) {
                 -1 => continue,
                 fd => return Ok(fd),
             };