Skip to content

GitLab

Switch branch/tag
Find file Normal viewHistoryPermalink
IOPriority.h 1.03 KB
Newer Older
Hisham Muhammad's avatar
Add IO priority support ('i' key)    
Hisham Muhammad committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43 
/* Do not edit this file. It was automatically generated. */

#ifndef HEADER_IOPriority
#define HEADER_IOPriority
/*
htop - IOPriority.h
(C) 2004-2012 Hisham H. Muhammad
Released under the GNU GPL, 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_error 0xffffffff

#define IOPriority_None IOPriority_tuple(IOPRIO_CLASS_NONE, 0)
#define IOPriority_Idle IOPriority_tuple(IOPRIO_CLASS_IDLE, 0)



#endif