Fio 3.34

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index 09c441491be9a41221042d6d837038adb55d0100..325355174bd37c1134bb3d492a3f4aecee5e10c7 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -753,9 +753,24 @@ extern void lat_target_reset(struct thread_data *);
 
 /*
  * Iterates all threads/processes within all the defined jobs
+ * Usage:
+ *             for_each_td(var_name_for_td) {
+ *                     << bodoy of your loop >>
+ *                      Note: internally-scoped loop index availble as __td_index
+ *             } end_for_each_td()
  */
-#define for_each_td(td, i)     \
-       for ((i) = 0, (td) = &segments[0].threads[0]; (i) < (int) thread_number; (i)++, (td) = tnumber_to_td((i)))
+#define for_each_td(td)                        \
+{                                                              \
+       int __td_index;                         \
+       struct thread_data *(td);       \
+       for (__td_index = 0, (td) = &segments[0].threads[0];\
+               __td_index < (int) thread_number; __td_index++, (td) = tnumber_to_td(__td_index))
+#define for_each_td_index()        \
+{                                                              \
+       int __td_index;                         \
+       for (__td_index = 0; __td_index < (int) thread_number; __td_index++)
+#define        end_for_each()  }
+
 #define for_each_file(td, f, i)        \
        if ((td)->files_index)                                          \
                for ((i) = 0, (f) = (td)->files[0];                     \