--- a/src/unix/darwin-proctitle.c
+++ b/src/unix/darwin-proctitle.c
@@ -41,7 +41,7 @@ static int uv__pthread_setname_np(const char* name) {
   strncpy(namebuf, name, sizeof(namebuf) - 1);
   namebuf[sizeof(namebuf) - 1] = '\0';
 
-  err = pthread_setname_np(namebuf);
+  err = 0;
   if (err)
     return UV__ERR(err);
 
--- a/src/unix/getaddrinfo.c
+++ b/src/unix/getaddrinfo.c
@@ -225,6 +225,13 @@ void uv_freeaddrinfo(struct addrinfo* ai) {
     freeaddrinfo(ai);
 }
 
+static size_t strnlen(char *x, size_t len) {
+  char *r = memchr(x, '\n', len);
+  if (r == NULL)
+    return len;
+  else
+    return r - x;
+}
 
 int uv_if_indextoname(unsigned int ifindex, char* buffer, size_t* size) {
   char ifname_buf[UV_IF_NAMESIZE];
--- a/src/unix/udp.c
+++ b/src/unix/udp.c
@@ -854,6 +854,7 @@ static int uv__udp_set_membership6(uv_udp_t* handle,
 #if !defined(__OpenBSD__) &&                                        \
     !defined(__NetBSD__) &&                                         \
     !defined(__ANDROID__) &&                                        \
+    !defined(__APPLE__) &&                                          \
     !defined(__DragonFly__) &                                       \
     !defined(__QNX__)
 static int uv__udp_set_source_membership4(uv_udp_t* handle,
@@ -1046,6 +1047,7 @@ int uv_udp_set_source_membership(uv_udp_t* handle,
 #if !defined(__OpenBSD__) &&                                        \
     !defined(__NetBSD__) &&                                         \
     !defined(__ANDROID__) &&                                        \
+    !defined(__APPLE__) &&                                          \
     !defined(__DragonFly__) &&                                      \
     !defined(__QNX__)
   int err;