feat(server): Add backlog flag for listen() (#2456)

* feat(server): Add `backlog` flag for `listen()`
dragonflydb · Jan 23, 2024 · b777d31 · b777d31
1 parent a16b940
commit b777d31
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/server/dfly_main.cc b/src/server/dfly_main.cc
@@ -73,6 +73,8 @@ ABSL_FLAG(bool, force_epoll, false,
 ABSL_FLAG(bool, version_check, true,
           "If true, Will monitor for new releases on Dragonfly servers once a day.");
 
+ABSL_FLAG(uint16_t, tcp_backlog, 128, "TCP listen(2) backlog parameter.");
+
 using namespace util;
 using namespace facade;
 using namespace io;
@@ -711,6 +713,7 @@ Usage: dragonfly [FLAGS]
   pool->Run();
 
   AcceptServer acceptor(pool.get());
+  acceptor.set_back_log(absl::GetFlag(FLAGS_tcp_backlog));
 
   int res = dfly::RunEngine(pool.get(), &acceptor) ? 0 : -1;