--- ../pr/src/pthreads/ptthread.c
+++ ../pr/src/pthreads/ptthread.c
@@ -21,6 +21,10 @@
 #include <signal.h>
 #include <dlfcn.h>
 
+#if defined(OPENBSD) || defined(FREEBSD) || defined(DRAGONFLY)
+#include <pthread_np.h>
+#endif
+
 #ifdef SYMBIAN
 /* In Open C sched_get_priority_min/max do not work properly, so we undefine
  * _POSIX_THREAD_PRIORITY_SCHEDULING here.
@@ -1619,7 +1623,7 @@ PR_IMPLEMENT(PRStatus) PR_SetCurrentThreadName(const char *name)
 {
     PRThread *thread;
     size_t nameLen;
-    int result;
+    int result = 0;
 
     if (!name) {
         PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
@@ -1637,8 +1641,10 @@ PR_IMPLEMENT(PRStatus) PR_SetCurrentThreadName(const char *name)
         return PR_FAILURE;
     memcpy(thread->name, name, nameLen + 1);
 
-#if defined(OPENBSD) || defined(FREEBSD)
-    result = pthread_set_name_np(thread->id, name);
+#if defined(OPENBSD) || defined(FREEBSD) || defined(DRAGONFLY)
+    pthread_set_name_np(thread->id, name);
+#elif defined(NETBSD)
+    pthread_setname_np(thread->id, "%s", name);
 #else /* not BSD */
     /*
      * On OSX, pthread_setname_np is only available in 10.6 or later, so test