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c776a32f75
This change might cause ABI breakages for /opt/cosmos. It's needed to help us better conform to header declaration practices.
32 lines
961 B
C
32 lines
961 B
C
#ifndef COSMOPOLITAN_LIBC_SYSV_CONSTS_IOPRIO_H_
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#define COSMOPOLITAN_LIBC_SYSV_CONSTS_IOPRIO_H_
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#ifdef _COSMO_SOURCE
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#define IOPRIO_WHO_PROCESS 1
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#define IOPRIO_WHO_PGRP 2
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#define IOPRIO_WHO_USER 3
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#define IOPRIO_CLASS_SHIFT 13
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#define IOPRIO_CLASS_MASK 0x07
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#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1)
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#define IOPRIO_PRIO_CLASS(ioprio) \
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(((ioprio) >> IOPRIO_CLASS_SHIFT) & IOPRIO_CLASS_MASK)
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#define IOPRIO_PRIO_DATA(ioprio) ((ioprio)&IOPRIO_PRIO_MASK)
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#define IOPRIO_PRIO_VALUE(class, data) \
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((((class) & IOPRIO_CLASS_MASK) << IOPRIO_CLASS_SHIFT) | \
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((data)&IOPRIO_PRIO_MASK))
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#define IOPRIO_CLASS_NONE 0
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#define IOPRIO_CLASS_RT 1
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#define IOPRIO_CLASS_BE 2
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#define IOPRIO_CLASS_IDLE 3
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#define IOPRIO_NR_LEVELS 8
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#define IOPRIO_BE_NR IOPRIO_NR_LEVELS
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#define IOPRIO_NORM 4
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#define IOPRIO_BE_NORM IOPRIO_NORM
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#endif /* _COSMO_SOURCE */
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#endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_IOPRIO_H_ */
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