diagdummy Test concurrent openfs

user/diagdummy/diagdummy.c

@@ -1,5 +1,7 @@
 #include <ulib.h>
-#include "block.h"
+
+#define CMDS(X)           \
+  X(block)      X(openf)
 
 void main(void) {
   if (argslen() == 0) {
@@ -9,9 +11,13 @@ void main(void) {
 
   char *cmd = args()[0];
 
-  if (string_strcmp(cmd, "block") == 0) {
-    diagdummy_block();
-  } else {
-    uprintf("diagdummy: unknown cmd %s\n", cmd);
+  #define X(name) if (string_strcmp(cmd, #name) == 0) { \
+    extern void diagdummy_ ## name(void); \
+    diagdummy_ ## name(); \
+    return; \
   }
+  CMDS(X)
+  #undef X
+
+  uprintf("diagdummy: unknown cmd %s\n", cmd);
 }