htop/linux/IOPriority.c at wip · hishamhm/htop

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htop - IOPriority.c

Released under the GNU GPL, see the COPYING file

in the source distribution for its full text.

Based on ionice,

Released under the terms of the GNU General Public License version 2

#include "IOPriority.h"

/*{

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)

}*/