diff --git a/kitty/child-monitor.c b/kitty/child-monitor.c
index 6c6cc69c2..8df832f78 100644
--- a/kitty/child-monitor.c
+++ b/kitty/child-monitor.c
@@ -5,16 +5,7 @@
  * Distributed under terms of the GPL3 license.
  */
 
-#ifdef __APPLE__
-#include <pthread.h>
-// I cant figure out how to get pthread.h to include this definition on macOS. MACOSX_DEPLOYMENT_TARGET does not work.
-extern int pthread_setname_np(const char *name);
-#else
-// Need _GNU_SOURCE for pthread_setname_np on linux
-#define _GNU_SOURCE
-#include <pthread.h>
-#undef _GNU_SOURCE
-#endif
+#include "threading.h"
 #include "state.h"
 #include "screen.h"
 #include <termios.h>
@@ -78,17 +69,6 @@ static uint8_t drain_buf[1024];
 static int signal_fds[2], wakeup_fds[2];
 
 
-static inline void
-set_thread_name(const char *name) {
-    int ret = 0;
-#ifdef __APPLE__
-    ret = pthread_setname_np(name);
-#else
-    ret = pthread_setname_np(pthread_self(), name);
-#endif
-    if (ret != 0) perror("Failed to set thread name");
-}
-
 
 // Main thread functions {{{
 
diff --git a/kitty/threading.h b/kitty/threading.h
new file mode 100644
index 000000000..3d6d8894d
--- /dev/null
+++ b/kitty/threading.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 Kovid Goyal <kovid at kovidgoyal.net>
+ *
+ * Distributed under terms of the GPL3 license.
+ */
+
+#pragma once
+
+#ifdef __APPLE__
+#include <pthread.h>
+// I cant figure out how to get pthread.h to include this definition on macOS. MACOSX_DEPLOYMENT_TARGET does not work.
+extern int pthread_setname_np(const char *name);
+#else
+// Need _GNU_SOURCE for pthread_setname_np on linux
+#define _GNU_SOURCE
+#include <pthread.h>
+#undef _GNU_SOURCE
+#endif
+#include <stdio.h>
+
+static inline void
+set_thread_name(const char *name) {
+    int ret = 0;
+#ifdef __APPLE__
+    ret = pthread_setname_np(name);
+#else
+    ret = pthread_setname_np(pthread_self(), name);
+#endif
+    if (ret != 0) perror("Failed to set thread name");
+}