sf_usage_ex add action: status

src/sf_sharding_htable.h

@@ -96,7 +96,7 @@ typedef struct sf_htable_sharding_context {
     struct {
         int count;
         struct fast_mblock_man *elts;
-    } allocators;
+    } allocators;  //shared allocators
 
     SFShardingHtableKeyType key_type;  //id count in the hash entry
     sf_sharding_htable_insert_callback insert_callback;

src/sf_util.c

@@ -96,7 +96,7 @@ int sf_printbuffer(char* buffer,int32_t len)
 void sf_usage_ex(const char *program, const SFCMDOption *other_options)
 {
     fprintf(stderr, "\nUsage: %s [options] <config_file> "
-            "[start | stop | restart]\n\noptions:\n", program);
+            "[start | stop | restart | status]\n\noptions:\n", program);
 
     if (other_options != NULL) {
         const SFCMDOption *option;