softirq.h

来自「this SRC packet is the headfiles that MI」· C头文件 代码 · 共 31 行

#ifndef __ASM_SH_SOFTIRQ_H
#define __ASM_SH_SOFTIRQ_H

#include <asm/atomic.h>
#include <asm/hardirq.h>

#define local_bh_disable()			\
do {						\
	local_bh_count(smp_processor_id())++;	\
	barrier();				\
} while (0)

#define __local_bh_enable()			\
do {						\
	barrier();				\
	local_bh_count(smp_processor_id())--;	\
} while (0)

#define local_bh_enable()				\
do {							\
	barrier();					\
	if (!--local_bh_count(smp_processor_id())	\
	    && softirq_pending(smp_processor_id())) {	\
		do_softirq();				\
	}						\
} while (0)

#define in_softirq() (local_bh_count(smp_processor_id()) != 0)

#endif /* __ASM_SH_SOFTIRQ_H */