util: Don't set thread name to empty

[sliver-openvswitch.git] / lib / util.c

diff --git a/lib/util.c b/lib/util.c
index 3cada4a..b800455 100644 (file)
--- a/lib/util.c
+++ b/lib/util.c
@@ -405,13 +405,14 @@ get_subprogram_name(void)
 void
 set_subprogram_name(const char *name)
 {
+    const char *pname = name[0] ? name : program_name;
     free(subprogram_name_set(xstrdup(name)));
 #if HAVE_GLIBC_PTHREAD_SETNAME_NP
-    pthread_setname_np(pthread_self(), name);
+    pthread_setname_np(pthread_self(), pname);
 #elif HAVE_NETBSD_PTHREAD_SETNAME_NP
-    pthread_setname_np(pthread_self(), "%s", name);
+    pthread_setname_np(pthread_self(), "%s", pname);
 #elif HAVE_PTHREAD_SET_NAME_NP
-    pthread_set_name_np(pthread_self(), name);
+    pthread_set_name_np(pthread_self(), pname);
 #endif
 }