2012-10-04 23:59:45 +00:00
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#ifndef HEADER_IOPriority
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#define HEADER_IOPriority
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/*
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htop - IOPriority.h
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(C) 2004-2012 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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2019-10-31 16:39:12 +00:00
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Based on ionice,
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2012-10-04 23:59:45 +00:00
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Copyright (C) 2005 Jens Axboe <jens@axboe.dk>
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Released under the terms of the GNU General Public License version 2
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*/
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enum {
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IOPRIO_CLASS_NONE,
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IOPRIO_CLASS_RT,
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IOPRIO_CLASS_BE,
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IOPRIO_CLASS_IDLE,
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};
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#define IOPRIO_WHO_PROCESS 1
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#define IOPRIO_CLASS_SHIFT (13)
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#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1)
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#define IOPriority_class(ioprio_) ((int) ((ioprio_) >> IOPRIO_CLASS_SHIFT) )
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#define IOPriority_data(ioprio_) ((int) ((ioprio_) & IOPRIO_PRIO_MASK) )
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typedef int IOPriority;
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#define IOPriority_tuple(class_, data_) (((class_) << IOPRIO_CLASS_SHIFT) | data_)
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#define IOPriority_error 0xffffffff
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#define IOPriority_None IOPriority_tuple(IOPRIO_CLASS_NONE, 0)
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2017-07-05 18:20:13 +00:00
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#define IOPriority_Idle IOPriority_tuple(IOPRIO_CLASS_IDLE, 7)
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2012-10-04 23:59:45 +00:00
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#endif
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