File: hardirq.h

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kernel-source-sparc-2.2.1 2.2.1
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#ifndef __M68K_HARDIRQ_H
#define __M68K_HARDIRQ_H

#include <linux/tasks.h>

extern unsigned int local_irq_count[NR_CPUS];

#define in_interrupt() (local_irq_count[smp_processor_id()] + local_bh_count[smp_processor_id()] != 0)

#define hardirq_trylock(cpu)	(local_irq_count[cpu] == 0)
#define hardirq_endlock(cpu)	do { } while (0)

#define hardirq_enter(cpu)	(local_irq_count[cpu]++)
#define hardirq_exit(cpu)	(local_irq_count[cpu]--)

#define synchronize_irq()	barrier()

#endif