1 files changed, 36 insertions, 0 deletions
diff --git a/linux/IOPriority.h b/linux/IOPriority.h
new file mode 100644
index 0000000..78bc470
--- /dev/null
+++ b/linux/IOPriority.h
@@ -0,0 +1,36 @@
+#ifndef HEADER_IOPriority
+#define HEADER_IOPriority
+/*
+htop - IOPriority.h
+(C) 2004-2012 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+
+Based on ionice,
+Copyright (C) 2005 Jens Axboe <jens@axboe.dk>
+Released under the terms of the GNU General Public License version 2
+*/
+
+enum {
+   IOPRIO_CLASS_NONE,
+   IOPRIO_CLASS_RT,
+   IOPRIO_CLASS_BE,
+   IOPRIO_CLASS_IDLE,
+};
+
+#define IOPRIO_WHO_PROCESS 1
+
+#define IOPRIO_CLASS_SHIFT (13)
+#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1)
+
+#define IOPriority_class(ioprio_) ((int) ((ioprio_) >> IOPRIO_CLASS_SHIFT) )
+#define IOPriority_data(ioprio_) ((int) ((ioprio_) & IOPRIO_PRIO_MASK) )
+
+typedef int IOPriority;
+
+#define IOPriority_tuple(class_, data_) (((class_) << IOPRIO_CLASS_SHIFT) | (data_))
+
+#define IOPriority_None IOPriority_tuple(IOPRIO_CLASS_NONE, 0)
+#define IOPriority_Idle IOPriority_tuple(IOPRIO_CLASS_IDLE, 7)
+
+#endif