1 files changed, 17 insertions, 0 deletions
diff --git a/src/anet.c b/src/anet.c
index bde460fc8..3ded135b0 100644
--- a/src/anet.c
+++ b/src/anet.c
@@ -49,6 +49,8 @@
 #include "anet.h"
 #include "config.h"
 
+#define UNUSED(x) (void)(x)
+
 static void anetSetError(char *err, const char *fmt, ...)
 {
     va_list ap;
@@ -680,3 +682,18 @@ error:
     close(fds[1]);
     return -1;
 }
+
+int anetSetSockMarkId(char *err, int fd, uint32_t id) {
+#ifdef HAVE_SOCKOPTMARKID
+    if (setsockopt(fd, SOL_SOCKET, SOCKOPTMARKID, (void *)&id, sizeof(id)) == -1) {
+        anetSetError(err, "setsockopt: %s", strerror(errno));
+        return ANET_ERR;
+    }
+    return ANET_OK;
+#else
+    UNUSED(fd);
+    UNUSED(id);
+    anetSetError(err,"anetSetSockMarkid unsupported on this platform");
+    return ANET_OK;
+#endif
+}