Create sockutils

1 files changed, 23 insertions, 0 deletions

diff --git a/src/sockutils.cc b/src/sockutils.cc
new file mode 100644
index 0000000..53e3ef0
--- /dev/null
+++ b/src/sockutils.cc
@@ -0,0 +1,23 @@
+#include "common.hh"
+
+#include <fcntl.h>
+
+#include "sockutils.hh"
+
+namespace stuff {
+
+bool make_nonblocking(int sock) {
+    int flags = fcntl(sock, F_GETFL, 0);
+    if (flags < 0) {
+        return false;
+    }
+    if (!(flags & O_NONBLOCK)) {
+        flags |= O_NONBLOCK;
+        if (fcntl(sock, F_SETFL, flags) < 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+}  // namespace stuff