init: add global 'warned' state

[fio.git] / debug.h

diff --git a/debug.h b/debug.h
index fb9574745d54382a888e9cd2412728b77df36cb6..68a5adca268e6b331433ffa58183c44b3b45ed67 100644 (file)
--- a/debug.h
+++ b/debug.h
@@ -2,6 +2,7 @@
 #define FIO_DEBUG_H
 
 #include <assert.h>
+#include "lib/types.h"
 #include "log.h"
 
 enum {
@@ -22,10 +23,21 @@ enum {
        FD_RATE,
        FD_COMPRESS,
        FD_STEADYSTATE,
+       FD_HELPERTHREAD,
        FD_DEBUG_MAX,
 };
 
-extern unsigned int fio_debug_jobno, *fio_debug_jobp;
+extern unsigned int fio_debug_jobno, *fio_debug_jobp, *fio_warned;
+
+static inline bool fio_did_warn(unsigned int mask)
+{
+       if (!(*fio_warned & mask)) {
+               *fio_warned |= mask;
+               return true;
+       }
+
+       return false;
+}
 
 #ifdef FIO_INC_DEBUG
 struct debug_level {