vlog: Introduce VLOG_DEFINE_THIS_MODULE for declaring vlog module in use.

[sliver-openvswitch.git] / lib / fatal-signal.c

diff --git a/lib/fatal-signal.c b/lib/fatal-signal.c
index 2e38fc5..d9442a3 100644 (file)
--- a/lib/fatal-signal.c
+++ b/lib/fatal-signal.c
@@ -28,10 +28,10 @@
 #include "shash.h"
 #include "socket-util.h"
 #include "util.h"
-
-#define THIS_MODULE VLM_fatal_signal
 #include "vlog.h"
 
+VLOG_DEFINE_THIS_MODULE(fatal_signal)
+
 /* Signals to catch. */
 static const int fatal_signals[] = { SIGTERM, SIGINT, SIGHUP, SIGALRM };
 
@@ -215,9 +215,7 @@ fatal_signal_add_file_to_unlink(const char *file)
         fatal_signal_add_hook(unlink_files, cancel_files, NULL, true);
     }
 
-    if (!shash_find(&files, file)) {
-        shash_add(&files, file, NULL);
-    }
+    shash_add_once(&files, file, NULL);
 }
 
 /* Unregisters 'file' from being unlinked when the program terminates via