From e1963e41bef4c4397d12c25f96b067322c6fe9d5 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui@live.cn>
Date: Sat, 20 Jun 2026 10:17:04 +0800
Subject: [PATCH] Networking (Linux): don't use `MSG_DONTWAIT` to send HTTP
 request

Ref #2401
---
 src/common/impl/networking_linux.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/common/impl/networking_linux.c b/src/common/impl/networking_linux.c
index e253451fe..7e4056792 100644
--- a/src/common/impl/networking_linux.c
+++ b/src/common/impl/networking_linux.c
@@ -56,7 +56,14 @@ static const char* tryNonThreadingFastPath(FFNetworkingState* state) {
     }
 
     #ifndef __APPLE__
-    FF_DEBUG("Using sendto() + MSG_DONTWAIT to send %u bytes of data", state->command.length);
+    FF_DEBUG("Using sendto() "
+        #ifdef MSG_FASTOPEN
+            "+ MSG_FASTOPEN "
+        #endif
+        #ifdef MSG_NOSIGNAL
+            "+ MSG_NOSIGNAL "
+        #endif
+        "to send %u bytes of data", state->command.length);
     ssize_t sent = sendto(state->sockfd,
         state->command.chars,
         state->command.length,
@@ -66,7 +73,7 @@ static const char* tryNonThreadingFastPath(FFNetworkingState* state) {
         #ifdef MSG_NOSIGNAL
             MSG_NOSIGNAL |
         #endif
-            MSG_DONTWAIT,
+            0,
         state->addr->ai_addr,
         state->addr->ai_addrlen);
     #else