File: /usr/include/asm/softirq.h

1     #ifndef __ASM_SOFTIRQ_H
2     #define __ASM_SOFTIRQ_H
3     
4     #include <asm/atomic.h>
5     #include <asm/hardirq.h>
6     
7     #define cpu_bh_disable(cpu)	do { local_bh_count(cpu)++; barrier(); } while (0)
8     #define cpu_bh_enable(cpu)	do { barrier(); local_bh_count(cpu)--; } while (0)
9     
10     #define local_bh_disable()	cpu_bh_disable(smp_processor_id())
11     #define local_bh_enable()	cpu_bh_enable(smp_processor_id())
12     
13     #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
14     
15     #endif	/* __ASM_SOFTIRQ_H */
16