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Last change
on this file was 142, checked in by ktk, 25 years ago |
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| [142] | 1 | /* $Id: hardirq.h 142 2000-04-23 14:55:46Z ktk $ */
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| 2 |
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| 3 | #ifndef __ASM_HARDIRQ_H
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| 4 | #define __ASM_HARDIRQ_H
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| 5 |
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| 6 | extern unsigned int local_irq_count[1];
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| 7 |
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| 8 | /*
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| 9 | * Are we in an interrupt context? Either doing bottom half
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| 10 | * or hardware interrupt processing?
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| 11 | */
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| 12 | #define in_interrupt() asdfasdf
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| 13 |
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| 14 | #define hardirq_trylock(cpu) (local_irq_count[cpu] == 0)
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| 15 | #define hardirq_endlock(cpu) do { } while (0)
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| 16 |
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| 17 | #define hardirq_enter(cpu) (local_irq_count[cpu]++)
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| 18 | #define hardirq_exit(cpu) (local_irq_count[cpu]--)
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| 19 |
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| 20 | #define synchronize_irq() barrier()
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| 21 |
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| 22 | #endif /* __ASM_HARDIRQ_H */
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